CN103638666A - Discus core strength training and exercise information feedback monitoring device - Google Patents

Abstract

The invention discloses a discus core strength training and exercise information feedback monitoring device, and aims at solving the problem that a conventional special discus project is lack of combined core strength training methods and exercise information feedback monitoring methods in an unstable state. The device comprise a discus force applying device and a balance training device with an information feedback function, wherein the discus force applying device comprises an annular track, a sliding telescopic rod, a sliding body, a crank connecting rod mechanism, a pressure sensor, a plurality of lifters and a plurality of elastic fixing racks with the same number as that of the lifters; each lifter comprises a vertical column, a sleeve and a jackscrew; each vertical column is arranged inside the corresponding sleeve and each vertical column and the corresponding sleeve are in detachable connection through the corresponding jackscrew; the upper end of each vertical column is connected with the lower surface of the corresponding annular track; the lower end surface of each sleeve is connected with an upper flat plate; the balance training device comprises a pedal, a balance base, a control circuit and three distance measuring sensors. The device is applied to discus core strength training and exercise information feedback monitoring.

Description

Discus core strength training and sports information feedback monitoring device

technical field

The invention relates to a discus core strength training and motion information feedback monitoring device, which belongs to the technical field of sports.

Background technique

From an anatomical point of view, the core of the human body is the spine, hip joints and pelvis, which are located at the junction of the upper and lower limbs and serve as a connecting hub. Core strength includes core stability strength and core dynamic strength. Core stability strength It refers to the force ability of the core to resist displacement or rotation generated by the intramuscular contraction of the fixed muscles or some fixed muscles that are both fixed muscles and prime movers. Core dynamic strength refers to the force that the contraction of skeletal muscles causes the body to displace or rotate. Core strength is not only the main driving force for the stability of the human core, but also can actively exert force during the flow. Core strength training is often carried out under stable conditions, which can enable more small muscle groups, especially auxiliary muscles around the joints, to participate in the exercise, and improve the ability of athletes to stabilize joints and control the center of gravity during exercise. The posture of core muscle training is determined by the completion of the game. The modern high-level discus special strength training is to choose the strength training method close to the special movement, integrate the latest training concept, use the athlete's movement information to monitor the technical process of the athlete's movement, and it can be combined with the discus special in an unstable state. Core strength training and exercise information feedback monitoring devices have not yet appeared at home and abroad.

Contents of the invention

The present invention is based on the principles of sports biomechanics, electronics, mechanics, etc., in order to solve the problem that the existing discus special item lacks a combination of core strength training means and motion information feedback monitoring means in an unstable state, and then provides a discus core strength Training and exercise information feedback monitoring device.

The technical scheme that the present invention takes for solving the above problems is:

The discus core strength training and motion information feedback monitoring device of the present invention comprises a discus force device and a balance training device with an information feedback function; Sensors, multiple elevators and multiple elastic fixing frames consistent with the number of elevators;

Each of the elastic fixing brackets includes an upper plate, a lower plate, and a spring between the upper plate and the lower plate and is fixed to the two. The circular track is arranged obliquely, and a plurality of lifts arranged in a ring are arranged below the circular track. Each of the lifters includes a column, a sleeve and a top wire, the column is installed in the sleeve and the two are detachably connected by the top wire, the upper end of the column is connected with the lower surface of the circular track, and the lower end of the sleeve is connected with the upper surface. tablet connection;

One of the lifters is arranged adjacent to the crank-link mechanism, the crank-link mechanism includes a crank, a connecting rod and a first motor, the output end of the first motor is connected to one end of the crank, and the other end of the crank is connected to one end of the connecting rod. Hinged, the other end of the connecting rod is hinged to the bushing of one of the lifters;

The sliding body is sleeved on the circular track and the two are slidably connected. The sliding body is pierced with a sliding telescopic rod. The end of the sliding telescopic rod located outside the circular track is equipped with a limit block. The rod section of the sliding telescopic rod located on the inner side of the circular track A plurality of through holes are processed along the length direction of the sliding telescopic rod. The discus is set on the upper surface of the sliding telescopic rod, and the discus is detachably connected with the sliding telescopic rod through the bolts arranged in the through holes. The pressure sensor is installed on the discus. on the upper surface;

A balance training device with information feedback function is arranged below the circular track. The balance training device includes a pedal, a balance base, a control circuit and three distance measuring sensors. The pedal is flat, and the balance base is a hemispherical base. The plane of the hemispherical base is fixedly connected to the bottom surface of the pedal, and the center line of the plane of the hemispherical base coincides with the center of the pedal; three distance measuring sensors are fixed on the bottom surface of the pedal, which are respectively a reference distance measuring sensor, a front distance measuring sensor and the left distance measuring sensor, the three distance measuring sensors are respectively fixed at the edge of the bottom surface of the pedal, wherein the connecting line of the front distance measuring sensor and the left distance measuring sensor passes through the center of the pedal, refer to the distance between the distance measuring sensor and the center of the pedal The connection line is perpendicular to the connection line between the front ranging sensor and the left ranging sensor; the signal output end of the reference ranging sensor is connected to the reference distance signal input end of the control circuit, and the signal output end of the front ranging sensor is connected to the front distance signal of the control circuit The input terminal, the signal output terminal of the left ranging sensor is connected to the left end distance signal input terminal of the control circuit;

The pressure signal output end of the pressure sensor is connected to the pressure signal input end of the control circuit, and the pressure signal output end of the control circuit is connected to the display signal input end of the monitor.

The display signal output end of the control circuit is connected to the display signal input end of the monitor;

A software-implemented control module is embedded in the control circuit, and the control module includes the following units:

The data acquisition unit is used to simultaneously collect the reference distance signal, the front-end distance signal and the left-end distance signal input by the three distance signal input terminals at each interval sampling time;

The comparison unit subtracts the reference distance signal from the received front end distance signal to obtain the front and rear distance difference signals; subtracts the reference distance signal from the received left end distance signal to obtain the left and right distance difference signals;

The display unit is used to convert the front-to-back distance difference signal and the left-right distance difference signal into digital information or graphic information and send it to the display for display output;

The motor drive unit is used to send the signal difference obtained by the comparison unit to the first motor drive circuit, and the first motor drive circuit controls the start and stop of the first motor.

When the signals output by the three ranging sensors are analog signals, the control circuit 3 includes three signal conditioning circuits, an A/D conversion circuit and a controller; the control module is embedded in the controller, and the three signals The signal input terminals of the conditioning circuit are respectively the reference distance signal input terminal, the front end distance signal input terminal and the left end distance signal input terminal of the controller; the signal output terminals of the three signal conditioning circuits are respectively connected to three of the A/D conversion circuits. Analog signal input terminals A1, A2 and A3, the digital signal output terminal of the A/D conversion circuit is connected to the signal acquisition signal input terminal of the controller, and the A/D conversion control signal output terminal of the controller is connected to the A/D conversion The conversion control signal input end of the circuit, the signal input end of the first motor drive circuit are connected to the drive signal output end of the controller, and the display drive signal output end of the controller is connected to the signal input end of the display.

The control circuit of the above-mentioned discus core strength training and motion information feedback monitoring device can also include three zeroing circuits, and the three zeroing circuits correspond to three signal conditioning circuits respectively, and the signal output terminals of each zeroing circuit are connected to A zero adjustment signal input terminal of a signal conditioning circuit.

The discus core strength training of the present invention and motion information feedback monitoring device can also comprise keyboard, and the signal output terminal of described keyboard connects the keyboard signal input terminal of controller; Described control module also comprises following unit:

A key information acquisition unit, configured to receive key information input by the keyboard;

The button information decoding unit is used to judge the content of the obtained button information. When the button information is sampling time information, the sampling time information is used as the sampling time information; when the button information is output digital display information, a digital display command is sent to the display unit. ; When the button information bit image display information, send the graphics display command to the display unit;

The display unit sends corresponding display information to the display according to the received command.

The discus core strength training and motion information feedback monitoring device of the present invention can also include a communication drive circuit, the signal input end of the communication drive circuit is connected to the communication signal output end of the controller, and the control module also includes a communication unit. The communication unit is used to send the signal difference obtained by the comparison unit to the communication driving circuit.

The beneficial effects of the present invention are: according to the relevant theories of sports biomechanics and electricity, and in combination with the characteristics of discus special strength training, the present invention utilizes a new theory of balance strength training with information feedback, with the help of an unstable state with information feedback The functional balance training device is effective for improving discus core strength training.

During the training process, the balance training device with information feedback function of the present invention can display the balance state of the athlete's body during training in real time and carry out effective quantitative monitoring, so that the trainer can know the state of his training, and then adjust his balance state in real time. attitude.

The comparison unit compares the distance from the ground measured by the reference distance measuring sensor with the distance from the ground measured by the front distance measuring sensor, compares the distance from the ground measured by the reference distance measuring sensor and the distance from the ground measured by the left distance measuring sensor, when the balance When the base tends to be balanced, the front-to-back distance difference signal and the left-right distance difference signal are equal, the motor drive unit receives the signal difference and sends it to the first motor drive circuit, the first motor drive circuit controls the first motor to start, and the circular track swings to realize people on the pedal. Difficult discus special core strength training under the state of balance and under the change of the circular track trajectory; when the balance base swings and is unbalanced, the motor drive unit receives the signal difference and sends it to the first motor drive circuit, and the first motor drive circuit controls the first motor drive circuit. The motor stops working and the circular track is stationary, realizing the special core strength training of the discus in which the discus is in a state of unbalanced pedals and the circular track is stationary; during the training process, the pressure sensor detects the speed curve of the final force of the discus in real time, and then monitors the entire technical process of the movement. Effective monitoring in real time.

Utilize the discus core strength training and motion information feedback monitoring device of the present invention to carry out discus core strength training. In order to overcome the unstable state and maintain the correct exertion posture, athletes need to mobilize and activate more muscles through the cooperation of the waist, pelvis, hip joints and lower limbs. The muscle fibers in the core are involved in stabilizing the balance of the body and exerting force in movements.

Description of drawings

Fig. 1 is a schematic view of the overall structure of the present invention, Fig. 2 is an enlarged view of I in Fig. 1, Fig. 3 is a top view of Fig. 2, Fig. 4 is a bottom view of the connection structure between the pedal and the balance base, and Fig. 5 is the seventh embodiment A schematic structural view of a balance device with information feedback, Fig. 6 is a schematic structural view of a balance training device with an information feedback function in Embodiment 8, and Fig. 7 is a schematic diagram of a balance training device with an information feedback function in Embodiment 9 Schematic diagram of the structure, FIG. 8 is a schematic structural diagram of a balance training device with an information feedback function in the tenth specific embodiment, and FIG. 9 is a schematic structural diagram of a balance training device with an information feedback function in the eleventh specific embodiment. 10 is a schematic structural view of another balance training device with information feedback function described in Embodiment 11. FIG. 11 is a cross-sectional view of A-A in FIG. Schematic diagram of the structure of the balance training device with feedback function, Figure 12 is a partial enlarged view of the limit device 10 in Figure 11, Figure 13 is a C-C sectional view of Figure 12, Figure 14 is a D-D sectional view of Figure 13, Figure 15 is the present invention Fig. 16 is a schematic diagram of another electrical part of the present invention.

Detailed ways

Specific embodiment one: in conjunction with Fig. 1-Fig. 4 and Fig. 15 explanation, the discus core strength training of the present embodiment and motion information feedback monitoring device comprise discus force device and the balance training device with information feedback function; Described discus force device It includes a circular track 12, a sliding telescopic rod 25, a sliding body 24, a crank linkage mechanism, a pressure sensor 26, a plurality of elevators 13 and a plurality of elastic fixing frames consistent with the number of elevators;

Each of said elastic mounts comprises an upper plate 18, a lower plate 20 and a spring 19 fixed between the upper plate 18 and the lower plate 20, the ring track 12 is arranged obliquely, and the ring track 12 is provided with a A plurality of elevators 13 arranged in a ring, each of which includes a column 13-1, a casing 13-2 and a top wire 13-3, the column 13-1 is installed in the casing 13-2 and the two The top wire 13-3 is detachably connected, the upper end of the column 13-1 is connected to the lower surface of the circular track 12, and the lower end surface of the sleeve 13-2 is connected to the upper plate 18;

Wherein a lifter 13 is adjacently arranged with crank-link mechanism, and described crank-link mechanism comprises crank 17, connecting rod 16 and first motor 15, and the output end of first motor 15 is connected with an end of crank 17, and the end of crank 17 The other end is hinged with one end of the connecting rod 16, and the other end of the connecting rod 16 is hinged with the sleeve 13-2 of one of the elevators 13;

The sliding body 24 is sleeved on the annular track 12 and the two are slidably connected. The sliding body 24 is pierced with a sliding telescopic rod 25, and the end of the sliding telescopic rod 25 that is positioned at the outer side of the circular rail 12 is equipped with a limit block 25-2. A plurality of through holes 25-1 are processed along the length direction of the sliding telescopic rod 25 on the rod section positioned at the inner side of the ring track 12 of the rod 25. The discus 27 is arranged on the upper surface of the sliding telescopic rod 25, and the discus 27 passes through the The bolt in the hole 25-1 is detachably connected with the sliding telescopic rod 25, and the pressure sensor 26 is installed on the upper surface of the discus 24;

A balance training device with an information feedback function is arranged below the circular track 12. The balance training device includes a pedal 1, a balance base 2, a control circuit 3 and three distance measuring sensors. The pedal 1 is flat and the balance base 2 positions A hemispherical base, the plane of the hemispherical base is fixedly connected to the bottom surface of the pedal 1, and the centerline of the plane of the hemispherical base coincides with the center of the pedal 1; the bottom surface of the pedal 1 is fixed with three distance measuring sensors, respectively In order to refer to the distance measuring sensor 40, the front distance measuring sensor 41 and the left distance measuring sensor 42, the three distance measuring sensors are respectively fixed at the edge of the bottom surface of the pedal 1, wherein the connection between the front distance measuring sensor 41 and the left distance measuring sensor 42 The line passes through the center of the pedal 1, and the connection line between the reference range sensor 40 and the center of the pedal 1 is perpendicular to the connection line between the front range sensor 41 and the left range sensor 42; the signal output end of the reference range sensor 40 is connected to the control circuit 3 The reference distance signal input end of the front distance measuring sensor 41 is connected to the front end distance signal input end of the control circuit 3, and the signal output end of the left distance measuring sensor 42 is connected to the left end distance signal input end of the control circuit 3;

The pressure signal output end of the pressure sensor 26 is connected to the pressure signal input end of the control circuit 3, and the pressure signal output end of the control circuit 3 is connected to the display signal input end of the display 6,

The display signal output end of the control circuit 3 is connected to the display signal input end of the display 6;

A control module implemented by software is embedded in the control circuit 3, and the control module includes the following units:

The data acquisition unit is used to simultaneously collect the reference distance signal, the front-end distance signal and the left-end distance signal input by the three distance signal input terminals at each interval sampling time;

The comparison unit subtracts the reference distance signal from the received front end distance signal to obtain the front and rear distance difference signals; subtracts the reference distance signal from the received left end distance signal to obtain the left and right distance difference signals;

The display unit is used to convert the front-to-back distance difference signal and the left-right distance difference signal into digital information or graphic information and send it to the display for display output;

The motor drive unit is configured to send the signal difference obtained by the comparison unit to the first motor drive circuit 11 , and the first motor drive circuit 11 controls the start and stop of the first motor 15 .

The sampling time is any time parameter between 0.5 seconds and 3 seconds.

In this embodiment, the models of the three ranging sensors are the same, and the output signals are all digital signals.

The signal output by the pressure sensor in this embodiment is a digital signal.

When the balance training device with information feedback function described in this embodiment is used in practice, the balance base 2 is placed in a flat area, and the trainer stands on the pedal 1 with one or both feet. After the training starts, when the pedal 1 When a tilt occurs, the three distance measuring sensors measure the distance from the ground respectively, and output the corresponding signal representing the distance to the control circuit. The control module embedded in the load control circuit processes the three distance signals to obtain the balance state of the pedal. And the balance state is displayed and output through the display. At the same time, the motor drive unit of the control circuit processes the signal difference (front-back distance difference signal or left-right distance difference signal) obtained by the comparison unit. The front-back distance difference signal and the left-right distance difference signal are equal. The pedal tends to be balanced, and the motor drive unit sends the front and rear distance difference signal or the left and right distance difference signal to the first motor drive circuit 11, and the first motor drive circuit 11 controls the first motor 15 to start, and the ring track swings back and forth; the front and rear distance difference signal is greater than Or less than the left and right distance difference signal, the pedal swings, the motor drive unit sends the front and rear distance difference signal or the left and right distance difference signal to the first motor drive circuit 11, the first motor drive circuit 7 controls the first motor 15 to stop, and the ring track stops swinging.

When displayed in digital form, the data with positive and negative signs can be used to indicate the distance difference between front and rear and left and right. The positive and negative signs indicate the direction of inclination, and the absolute value of the number indicates the inclination. big.

When displayed in the form of graphics, an overall stereoscopic image of the balance training device may be displayed, and then the inclination state of the balance training device may be displayed according to the inclination. It is also possible to use a simple image, for example, to only display the balance state of the pedals.

In this embodiment, the upper plate and the lower plate are used to improve the stability of the discus force device.

The discus force device of the present embodiment may also include two bandages 35 connected on the discus, and the bandages are used for the trainer to bind the hands on the discus so that the hands can fully grasp the discus.

The lifter of this embodiment can adjust the height of the circular track, so as to adapt to the practice of trainers of different heights.

Embodiment 2: The sampling time in this embodiment is any time parameter between 0.5 seconds and 3 seconds. Others are the same as in the first embodiment.

Embodiment 3: In conjunction with FIG. 16 , the control circuit 3 in this embodiment includes three signal conditioning circuits, an A/D conversion circuit and a controller 4; the control module is embedded in the controller, and the three signal The signal input terminals of the conditioning circuit are respectively the reference distance signal input terminal, the front end distance signal input terminal and the left end distance signal input terminal of the controller 4; the signal output terminals of the three signal conditioning circuits are respectively connected to the three terminals of the A/D conversion circuit an analog signal input terminal A1, A2 and A3, the digital signal output terminal of the A/D conversion circuit is connected to the signal acquisition input terminal of the controller 4, and the A/D conversion control signal output terminal of the controller 4 is connected to A/D The conversion control signal input end of the D conversion circuit, the signal output end of the pressure sensor 26 is connected to the analog signal input end of the A/D conversion circuit, and the signal input end of the first motor drive circuit 11 is connected to the drive signal output end of the controller 4 , the display drive signal output end of the controller 4 is connected to the signal input end of the display 6 .

The output signals of the three ranging sensors in this embodiment are analog signals, and the analog signals are sent to the A/D conversion circuit after being processed by the signal conditioning circuit, and the A/D conversion circuit converts the analog signals into digital signals and sends them to the controller.

The controller in this embodiment can be realized by a single chip microcomputer. Others are the same as in the first embodiment.

Embodiment 4: In conjunction with FIG. 16 , the control circuit 3 in this embodiment also includes three zeroing circuits, the three zeroing circuits correspond to the three signal conditioning circuits respectively, and the signal of each zeroing circuit The output end is connected to a zero-adjustment signal input end of a signal conditioning circuit.

This embodiment adds a zeroing circuit. Before actual use, first place the balance training device with information feedback function described in this embodiment on a flat ground, and then keep the pedal 1 in a stable state. At this time, pass The zero-adjusting circuit adjusts the display value of the voltage-driven display to be zero. After the foregoing work is performed, the training is started again, so as to ensure that the measured inclination of the pedal is more accurate.

In this embodiment, a communication drive circuit 7 can be added, and the signal input end of the communication drive circuit 7 is connected to the communication signal output end of the controller; in this embodiment, a communication drive circuit 7 is added, and the measurement result data obtained by the controller can be passed The communication drive circuit 7 sends out, thereby realizing remote data transmission. Others are the same as in the third embodiment.

Embodiment 5: In conjunction with Fig. 16, the balance training device with information feedback function described in this embodiment also includes a keyboard 5, and the signal output end of the keyboard 5 is connected to the keyboard signal input end of the controller 4; The module also includes the following units:

A key information acquisition unit, configured to receive key information input by the keyboard 5;

The button information decoding unit is used to judge the content of the obtained button information. When the button information is sampling time information, the sampling time information is used as the sampling time information; when the button information is output digital display information, a digital display command is sent to the display unit. ; When the button information is image display information, send a graphic display command to the display unit;

The display unit sends corresponding display information to the display 6 according to the received command.

In this embodiment, a keyboard 5 is added to realize the setting of parameters, for example, the sampling time of the sampling interval can be set, or the type of the displayed signal can be set to be digital or graphic and so on.

In this embodiment, a communication drive circuit 7 may be added, and the control module further includes a communication unit, which is used to send the signal difference obtained by the comparison unit to the communication drive circuit 7 . The measurement result data obtained by the control module is sent out through the communication drive circuit 7, thereby realizing remote data transmission.

The communication driving circuit 7 described in this embodiment may be various existing serial communication driving circuits or wireless communication driving circuits. The serial communication driving circuit is a USB serial communication driving circuit, an RS485 serial communication driving circuit, an RS232 serial communication driving circuit or a network communication driving circuit. Add equipment that can send measurement results to remote devices in real time during the training process, thereby realizing the function of remote monitoring of training status. Others are the same as in the first or second embodiment.

Specific embodiment six: In conjunction with Fig. 5-Fig. 7, the balance training device with information feedback function described in this embodiment also includes a first base 8, and the upper surface of the first base 8 is provided with a The circular groove 81, the balance base 2 is put into the circular groove 81.

In this embodiment, a base 8 with a circular groove 81 is added. In actual use, the balance base 2 is placed in the circular groove 81 to facilitate fixing the position, and the circular groove 81 The side wall can play the role of limiting. The swing range of the balance base 2 can be limited by adjusting the width or depth of the circular groove 81, making it more suitable for beginners. Others are the same as any one of specific embodiments 1 to 5.

Embodiment 7: In conjunction with Fig. 5, the bottom surface of the circular groove 81 in this embodiment is a combination of a plane and a spherical surface, and the spherical surface corresponds to the outer arc of the balance base 2, and the radius of the spherical surface is larger than the balance The radius of the base 2 and the chord height of the circular arc are between 0.02 and 0.1 of the height of the balance base 2 .

The shape of the bottom surface of the circular groove 81 in this embodiment makes it easier to place the balance base 2 in the middle of the circular groove 81 when the balance base 2 is placed in the circular groove 81, The distances between the balance base 2 and the side wall of the circular groove 81 are equal, so that the limit angles of the balance base 2 swinging in the circular groove 81 are equal. Others are the same as in the seventh embodiment.

Embodiment 8: Referring to FIG. 6 , the bottom surface of the circular groove 81 in this embodiment is a plane. The bottom surface of the circular groove 81 is a plane, so that it can be applied to the balance base 2 with different radii, and the versatility is stronger. The depth or height of the circular groove 81 can be designed according to the required swing range of the pedal 1 . Under the condition that the depth of the circular groove 81 is constant, the larger the radius of the circular groove 81, the larger the maximum angle a that the pedal 1 can swing; Under the same conditions, the deeper the circular groove 81 is, the smaller the maximum swing angle a of the pedal 1 is. Others are the same as in the seventh embodiment.

Ninth specific embodiment: In conjunction with FIG. 7, the bottom surface of the circular groove 81 in this embodiment is a spherical surface, and the radius of the spherical surface is greater than the radius of the balance base 2. The chord height of the arc is equal to the balance base 2 Between 0.2 and 0.6 of the height. In this embodiment, the bottom surface of the circular groove 81 is a spherical surface, which makes it easier to ensure that the balance base 2 is located in the middle of the groove 81, so that its swing range in all directions is the same. Others are the same as in the seventh embodiment.

Embodiment 10: With reference to Fig. 8, the balance training device with information feedback function described in this embodiment also includes a plurality of spherical limiting plates 82, and the plurality of spherical limiting plates 82 are sequentially stacked and placed in the circular concave In the groove 81, the radii of the plurality of spherical limiting plates 82 are successively reduced, and the inner diameter of the smallest spherical limiting plate 82 is greater than the radius of the balance base 2, and the radius of the spherical surface where two adjacent spherical limiting plates 82 meet equal. In this embodiment, a spherical limit plate 82 is added, and the radii of the plurality of spherical limit plates 82 are different, as shown in FIG. 8 , which is equivalent to changing the depth and width of the circular groove 81, and then realizes that the adjustment pedal 1 can swing The purpose of the maximum angle α. This embodiment is suitable for use by trainers with different needs. Others are the same as any one of the sixth specific embodiment.

Embodiment 11: In conjunction with Fig. 9-Fig. 10, the balance training device with information feedback function in this embodiment also includes the balance training device with information feedback function and also includes a second base 9 and a plurality of The limiting device 10 has a second circular groove 91 on the top of the second base 9, the balance base 2 is embedded in the second circular groove 91, and the plurality of limiting devices 10 are Evenly distributed on the circumference with the center of the second circular groove 91 as the center and the distance greater than the radius of the second circular groove 91 as the radius, the limiting device 10 is used to limit the swing of the balance base 2 The limiting device 10 is fixed on the upper surface of the second base 9 . In this embodiment, a base with a second circular groove 91 is added, and a limiting device 10 is provided on the base to achieve the purpose of limiting the maximum swing angle of the pedal 1 . Referring to shown in Fig. 9, there are 6 position-limiting devices 10. Referring to shown in Figure 10, there are 4 limit devices. The bottom of the second circular groove 91 can be a plane, a combination of a plane and a sphere, or a sphere. Others are the same as any one of specific embodiments 1 to 5.

Specific Embodiment Twelve: In conjunction with Fig. 11-Fig. 14, the height of the limiting device 10 in this embodiment is adjustable; The fixed sleeve 101 is a cylindrical structure, the fixed sleeve 101 is embedded and fixed on the surface of the second base 9, the fixed sleeve 101 is provided with positioning holes, and the adjustable support column 102 is provided with a plurality of Limiting through holes 104, the adjustable support column 102 is inserted from the upper end of the fixed sleeve 101, and any one of the limiting through holes 104 of the adjustable support column 102 corresponds to the positioning hole on the fixed sleeve 101, and the latch 103 Insert the limiting through hole 104 and the positioning hole on the fixing sleeve 101 at the same time. In this embodiment, the limit device 10 adopts a height-adjustable structure, so as to achieve the purpose of adjusting the limit of the maximum swingable angle of the pedal 1 . At the same time, this embodiment defines a specific height-adjustable structure, which adopts pins to realize positioning, and is convenient and quick to operate. Others are the same as in the eleventh embodiment.

The specific structure of the discus core strength training and motion information feedback monitoring device of the present invention is not limited to the specific structures described in the above-mentioned various embodiments, and a reasonable combination of the technical features described in the above-mentioned various embodiments can also be made.

working principle

When performing discus core strength training and sports information feedback monitoring, athletes stand on the pedals of the balance training device with information feedback function in an unstable state, and combine the optimized design with the main ring track which is close to the special strength characteristics of discus Hold the sliding telescopic rod connected to the discus with your hand, and perform the final force practice. At this time, the balance training device with information feedback function starts to work, measuring the swinging range of the pedal, and performing information exchange. Quantitative processing, real-time quantitative monitoring of the athlete's balance state, and accordingly converted into an electrical signal and electrically connected to the first motor on the crank linkage mechanism. With the improvement of the athlete's balance ability, the balance training device tends to balance when the athlete is practicing , that is, the front and rear distance difference signals are equal to the left and right distance difference signals, and the pedal tends to be balanced. At this time, the motor drive unit sends the front and rear distance difference signals or the left and right distance difference signals to the first motor drive circuit, and the first motor drive circuit controls the first The motor starts, and then realizes the swing of the circular track to increase the difficulty of new exercises. The front and rear distance difference signal is greater than or smaller than the left and right distance difference signal, and the pedal swings greatly. A motor drive circuit, the first motor drive circuit controls the first motor to stop, and then realizes the stationary of the circular track, and the pressure sensor displays the force-speed curve to monitor the whole action process in real time.

Claims (10)

1. discus force at the core training and movable information feedback supervising device, is characterized in that: it comprises that discus is with power apparatus with the balance training of information feedback function; Described discus comprises circular orbit (12), sliding extension bar (25), gliding mass (24), toggle, pressure sensor (26), a plurality of lifter (13) and a plurality of elastic mounts consistent with lifter quantity with power apparatus;

Described in each, elastic mounts comprises upper flat plate (18), lower flat board (20) and be positioned at upper flat plate (18) and lower flat board (20) between and the spring (19) affixed with the two, circular orbit (12) is in tilted layout, the below of circular orbit (12) is provided with a plurality of lifters (13) of arranging ringwise, lifter described in each (13) comprises column (13-1), sleeve pipe (13-2) and jackscrew (13-3), column (13-1) is arranged in sleeve pipe (13-2) and the two removably connects by jackscrew (13-3), the upper end of column (13-1) is connected with the lower surface of circular orbit (12), the lower surface of sleeve pipe (13-2) is connected with upper flat plate (18),

One of them lifter (13) setting adjacent with toggle, described toggle comprises crank (17), connecting rod (16) and the first motor (15), the output of the first motor (15) is connected with one end of crank (17), one end of the other end of crank (17) and connecting rod (16) is hinged, and the sleeve pipe (13-2) of the other end of connecting rod (16) and described one of them lifter (13) is hinged;

Gliding mass (24) is set in circular orbit (12) and the two is slidably connected, on gliding mass (24), be equipped with sliding extension bar (25), the end that is positioned at circular orbit (12) outside of sliding extension bar (25) is provided with limited block (25-2), length direction along sliding extension bar (25) in the bar section that is positioned at circular orbit (12) inner side of sliding extension bar (25) is processed with a plurality of through holes (25-1), discus (27) is arranged on the upper surface of sliding extension bar (25), and discus (27) removably connects by bolt and the sliding extension bar (25) being arranged in through hole (25-1), pressure sensor (26) is arranged on the upper surface of discus (24),

The arranged beneath of circular orbit (12) has the balance training with information feedback function, described balance training comprises pedal (1), balance base (2), control circuit (3) and three distance measuring sensors, pedal (1) is tabular, balance base (2) position domed base, the plane of described domed base is fixedly connected with the bottom surface of pedal (1), and the center superposition of the plane center line of described domed base and pedal (1); On the bottom surface of described pedal (1), be fixed with three distance measuring sensors, be respectively with reference to distance measuring sensor (40), front distance measuring sensor (41) and left distance measuring sensor (42), described three distance measuring sensors are separately fixed at the bottom edge place of pedal (1), wherein the line of front distance measuring sensor (41) and left distance measuring sensor (42) is through the center of pedal (1), the line with reference to the line at distance measuring sensor (40) and pedal (1) center perpendicular to front distance measuring sensor (41) and left distance measuring sensor (42); The reference distance signal input part that connects control circuit (3) with reference to the signal output part of distance measuring sensor (40), the signal output part of front distance measuring sensor (41) connects the front end distance signal input of control circuit (3), and the signal output part of left distance measuring sensor (42) connects the left end distance signal input of control circuit (3);

The pressure signal output of pressure sensor (26) connects the pressure signal input of control circuit (3), and the pressure signal output of control circuit (3) connects the display input of display (6),

The display output of control circuit (3) connects the display input of display (6);

Control circuit (3) is embedded in the control module that software is realized, and described control module comprises as lower unit:

Data acquisition unit, for all gather reference distance signal, front end distance signal and the left end distance signal of three distance signal input inputs simultaneously at interval of the sampling time;

Comparing unit, deducts reference distance signal acquisition longitudinal separation difference signal with the front end distance signal receiving; With the left end distance signal receiving, deduct reference distance signal acquisition left and right range difference signal;

Display unit, sends to display to show output for longitudinal separation difference signal and left and right range difference signal being changed into digital information or graphical information;

Electric-motor drive unit, sends to the first motor-drive circuit (11) for the signal difference that comparing unit is obtained, and the first motor-drive circuit (11) is controlled the start and stop of the first motor (15).

2. discus force at the core training according to claim 1 and movable information feed back supervising device, and the described sampling time is the random time parameter between 0.5 second to 3 seconds.

3. discus force at the core training according to claim 1 and movable information feedback supervising device, is characterized in that: described control circuit (3) comprises three signal conditioning circuits, A/D change-over circuit and controller (4), described control module is embedded in controller, and the signal input part of described three signal conditioning circuits is respectively reference distance signal input part, front end distance signal input and the left end distance signal input of controller (4), the signal output part of described three signal conditioning circuits connects respectively three input end of analog signal (A1) of A/D change-over circuit, (A2) and (A3), the digital signal output end of described A/D change-over circuit connects the signals collecting input of controller (4), the A/D changeover control signal output of described controller (4) connects the changeover control signal input of A/D change-over circuit, the signal output part of described pressure sensor (26) connects the input end of analog signal of A/D change-over circuit, the signal input part of the first motor-drive circuit (11) connects the driving signal output part of controller (4), the display drive signals output of described controller (4) connects the signal input part of display (6).

4. discus force at the core training according to claim 3 and movable information feed back supervising device, it is characterized in that: described control circuit (3) also comprises three zeroing circuits, described three zeroing circuits are corresponding with three signal conditioning circuits respectively, and the signal output part of each zeroing circuit connects the zeroing signal input part of a signal conditioning circuit.

5. discus force at the core training according to claim 2 and movable information feed back supervising device, it is characterized in that: the described balance training with information feedback function also comprises keyboard (5), the signal output part of described keyboard (5) connects the keyboard signal input of controller (4); Described control module also comprises as lower unit:

Key information collecting unit, for receiving the key information of keyboard (5) input;

Key information decoding unit, for judging the content that obtains key information, when key information is that the sampling time is during information, using this sampling time information as sampling time information; When key information is the digital demonstration information of output, send digital display command to display unit; When key information is image display information, send graphics display command to display unit;

Display unit, sends corresponding demonstration information to display (6) according to the order receiving.

6. according to the discus force at the core training described in claim 1 to 5 any one claim and movable information feedback supervising device, it is characterized in that: the described balance training with information feedback function also comprises the first base (8), described the first base (8) upper surface is provided with the circular groove (81) corresponding with balance base (2), and described balance base (2) is placed in this circular groove (81).

7. according to the discus force at the core training described in claim 6 any one claim and movable information feedback supervising device, it is characterized in that: the bottom surface of described circular groove (81) is combination or the sphere of plane, plane and sphere.

8. according to the discus force at the core training described in claim 6 any one claim and information feedback supervising device, it is characterized in that: the described balance training with information feedback function also comprises a plurality of spherical limiting plates (82), described a plurality of spherical limiting plates (82) superpose successively and are placed in circular groove (81), the radius of described a plurality of spherical limiting plates (82) dwindles successively, and the internal diameter of minimum spherical limiting plate (82) is greater than the radius of balance base (2), the spherical radius of adjacent two blocks of spherical limiting plates (82) joint equates.

9. according to the discus force at the core training described in claim 1 to 5 any one claim and movable information feedback supervising device, it is characterized in that: the described balance training with information feedback function also comprises the second base (9) and a plurality of stopping means (10), described the second base (9) above with the second circular groove (91), described balance base (2) is embedded in described the second circular groove (91), described a plurality of stopping means (10) is centered by the center of circle by described the second circular groove (91), on the circumference that the distance of the radius that is greater than the second circular groove (91) of take is radius, be uniformly distributed, the amplitude that described stopping means (10) swings for limiting balance base (2), described stopping means (10) is fixed on the upper surface of the second base (9).

10. discus force at the core training according to claim 9 and movable information feedback supervising device, is characterized in that: the height of described stopping means (10) is adjustable, described stopping means (10) is by fixed cover (101), adjustable supporting dagger (102) and latch (103) form, described fixed cover (101) is columnar structured, described fixed cover (101) embeds and is fixed on the surface of the second base (9), described fixed cover is provided with locating hole on (101), adjustable supporting dagger (102) is provided with a plurality of limiting through hole (104) along its length, described adjustable supporting dagger (102) inserts from the upper end of fixed cover (101), and any one limiting through hole (104) of described adjustable supporting dagger (102) is corresponding with the locating hole on fixed cover (101), latch (103) inserts the locating hole on this limiting through hole (104) and fixed cover (101) simultaneously.

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