CN103691123B - Infrared ray test the speed lower Fixed swivel force at the core training and information feed back supervising device - Google Patents

Abstract

The utility model relates to a fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement, which relates to a strength training and information feedback device. The present invention aims to solve the problem that there is no special lower fixed rotating body core strength training device, the movement parameters cannot be quantified and monitored, and the athletes' physical fitness is inconvenient to improve. The arc surface of the balance seat is connected to the base in rotation, the chassis is fixed on the upper end surface of the balance seat, the pedal and the chassis are connected by a vertical fixed shaft, the upper end of the fixed shaft is fixedly connected with the lower end surface of the pedal, and the fixed shaft The lower end of the turret is fixedly connected with the chassis, the bushing is set on the fixed shaft at the lower end of the pedal, the rotation resistance device is installed between the fixed shaft and the bushing, the lower end of the turret is fixedly connected with the outer end surface of the bushing, and the upper end of the turret There are two rotating handles; the signal output ends of the two distance measuring sensors are respectively connected to the first distance signal input end and the second distance signal input end of the control circuit. The invention is used for turning strength training.

Description

Fixed rotation core strength training and information feedback monitoring device under infrared speed measurement

technical field

The invention relates to a human body physical strength training and information feedback device, in particular to a fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement.

Background technique

The main function of core strength training is to stabilize the athlete's spine and pelvis, maintain correct body posture, stabilize the center of gravity, improve body control and balance, and increase energy output from core muscles to limbs and other muscles during exercise.

Core strength emphasizes that the force of the movement should rely on the center of the body. The force of the extremities starts from the force of the trunk and waist, which can extend the moment arm, increase the torque, and obtain greater strength. When the athlete is exercising, the waist to the hip The position of the head is the center of the whole body, which acts as a link for the movement of the whole body. The more developed the core strength of the athlete, the more coordinated they will be when doing movements, and the better the movement effect will be. Core strength exercises emphasize resistance exercises under unbalanced conditions, which can make more small muscle groups special It is the auxiliary muscles around the joints that participate in sports, improving the ability of athletes to stabilize joints and control the center of gravity during sports.

Lower fixed rotation core strength training refers to: when the athlete performs the rotation movement, the lower body is fixed, that is, the waist, abdomen, and hip muscle groups are fixed at the lower end to complete the rotation movement;

Modern high-level scientific training pays attention to the integration of strength training methods close to special movements, that is, optimized design of special strength training devices combined with the latest training hot spot - core strength training, using athlete movement information to provide information feedback on the athlete's movement technical process. At present, There is no special infrared speed measurement for fixed-rotation core strength training and information feedback monitoring devices, so it is impossible to quantify and monitor exercise parameters.

Contents of the invention

The present invention solves the problem that there is no special infrared speed measurement fixed-rotation core strength training device, let alone quantitative monitoring of exercise parameters, and further provides a fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement.

The technical scheme adopted by the present invention to solve the above-mentioned technical problems is: the fixed-rotation core strength training and information feedback monitoring device of the present invention under infrared speed measurement includes a base, a chassis, a balance seat, a turret, a fixed shaft, a shaft sleeve, and a rotation resistance device , pedals, information feedback components and two pressure sensors, the base is provided with a first groove, the bottom surface of the balance seat is an arc surface with a radius of R, the arc surface of the balance seat is connected to the base in rotation, and the chassis is fixed on On the upper end surface of the balance seat, the pedal is arranged directly above the chassis, and the pedal and the chassis are connected by a vertical fixed shaft, and the upper end of the fixed shaft is fixedly connected with the lower end surface of the pedal, and the lower end of the fixed shaft is connected to the chassis. Fixed connection, the shaft sleeve is set on the fixed shaft at the lower end of the pedal, the rotation resistance device is installed between the fixed shaft and the shaft sleeve, the lower end of the turret is fixedly connected with the outer end surface of the shaft sleeve, and the upper end of the turret is provided with two rotating handles , each turning handle is provided with a pressure sensor;

The information feedback assembly includes a speed measurement feedback unit, a torque feedback unit, two distance measuring sensors, a control circuit and a display, and the two distance measuring sensors are respectively located on both sides of the arc surface of the balance seat; the signal output ends of the two distance measuring sensors Connect the first distance signal input end and the second distance signal input end of the control circuit respectively, the display drive signal output end of the control circuit is connected to the signal input end of the display; the bottom end surface of the pedal is provided with a second groove, The control circuit is arranged in the second groove of the pedal;

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

The data acquisition unit is used to simultaneously collect the first distance signal input from the first distance signal input terminal and the second distance signal input from the second distance signal input terminal at each sampling time interval;

The comparison unit subtracts the second distance signal from the received first distance signal to obtain a signal difference;

The display unit is used to convert the signal difference into digital information or graphic information and send it to the display;

The torque feedback unit includes a torque sensor, a torque amplifier and a voltage-driven display, and the torque sensor, the torque amplifier and the voltage-driven display are connected in series in sequence;

The speed measurement feedback unit includes a speed measurement generator, a signal processing circuit and a speed measurement display, the speed measurement generator is arranged on the chassis, and the speed measurement generator is connected with the lower end of the fixed shaft, the output end of the speed measurement generator is connected with the signal processing circuit, and the signal is passed through the signal processing circuit. The data processed by the processing circuit is sent to the speedometer display.

Compared with the prior art, the present invention has the following effects:

1. The fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement of the present invention can enable athletes to overcome the unstable state and maintain the correct posture of exerting force. More muscle fibers in the core part participate in and stabilize the balance of the body and the force of the movement;

2. During the training process, the present invention can display the balance state of the athlete's body during training in real time, quantify and monitor the exercise parameters, and then allow the athlete to know the state of their training, and then adjust their posture in real time, which is conducive to improving the effect of the athlete's core strength training;

3. The quantitative information of the present invention is sent to remote computers and other information reading devices through serial communication ports or wireless communication circuits, and then can be used to analyze the training status of athletes, and then provide guidance for coaches;

4. The present invention has a simple structure and is convenient for manufacture;

5. The rotation resistance device of the present invention can adjust the resistance between the fixed shaft and the shaft sleeve at any time when the athlete stands on the pedal for rotation, and can know the size of the athlete's overcoming resistance, and the torque feedback unit can measure the force of the athlete's rotation. Speed curve, real-time and effective monitoring of the entire motion technology process;

6. The speed-measuring circuit of the present utility model can measure the athlete's turning practice speed in real time.

Description of drawings

Fig. 1 is a front view of the overall structure of the fixed-rotation core strength training and information feedback monitoring device of the present invention under infrared speed measurement, Fig. 2 is the right view of Fig. 1, and Fig. 3 is a bottom view of the chassis and balance seat in the specific embodiment, Figure 4 is the schematic diagram of the electrical part of the torque feedback unit in the information feedback component; Figure 5 is the schematic diagram of the electrical part of the information feedback component except the torque feedback unit; Figure 6 is the schematic diagram of the electrical part with the specific structure of the control circuit in the information feedback component Figure; Figure 7 is a schematic diagram of the speed feedback unit.

detailed description.

Specific Embodiment 1: In conjunction with Fig. 1-Fig. 7, the fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement in this embodiment includes a base 8, a chassis 1, a balance seat 2, a turret 5, a fixed shaft 15, Axle sleeve 16, rotation resistance 17, pedal 18, information feedback assembly and two pressure sensors 20, the base 8 is provided with a first groove 8-1, the bottom surface of the balance seat 2 is an arc surface with a radius R, The arc surface of the balance base 2 is rotationally connected with the base 8, the chassis 1 is fixed on the upper end surface of the balance base 2, the pedal 18 is arranged directly above the chassis 1, and the vertical fixed shaft between the pedal 18 and the chassis 1 15, and the upper end of the fixed shaft 15 is fixedly connected with the lower end surface of the pedal 18, the lower end of the fixed shaft 15 is fixedly connected with the chassis 1, the bushing 16 is set on the fixed shaft 15 at the lower end of the pedal 18, and the rotation resistance 17 is installed Between the fixed shaft 15 and the axle sleeve 16, the lower end of the turret 5 is fixedly connected with the outer end surface of the axle sleeve 16, and the upper end of the turret 5 is provided with two rotating handles 5-1, each rotating handle 5-1 is provided with There is a pressure sensor 20;

The information feedback assembly includes a speed measurement feedback unit, a torque feedback unit, two distance measurement sensors 3, a control circuit 4 and a display 6, and the two distance measurement sensors 3 are respectively located on both sides of the arc surface of the balance base 2; The signal output end of sensor 3 connects the first distance signal input end and the second distance signal input end of control circuit 4 respectively, and the display driving signal output end of described control circuit 4 connects the signal input end of display 6; A second groove is provided on the bottom surface, and the control circuit 4 is arranged in the second groove of the pedal 18;

A control module implemented by software is embedded in the control circuit 4, and the control module includes the following units:

The data acquisition unit is used to simultaneously collect the first distance signal input from the first distance signal input terminal and the second distance signal input from the second distance signal input terminal at each sampling time interval;

The comparison unit subtracts the second distance signal from the received first distance signal to obtain a signal difference;

The display unit is used to convert the signal difference into digital information or graphic information and send it to the display;

The torque feedback unit includes a torque sensor, a torque amplifier 21 and a voltage-driven display 22, and the torque sensor, the torque amplifier 21 and the voltage-driven display 22 are sequentially connected in series;

The speed measurement feedback unit comprises a speed measurement generator 24, a signal processing circuit 25 and a speed measurement display 26, the speed measurement generator 24 is arranged on the chassis 1, and the speed measurement generator 24 is connected with the lower end of the fixed shaft 15, and the output terminal of the speed measurement generator 24 It is connected with the signal processing circuit 25, and the data processed by the signal processing circuit 25 is sent to the speed measuring display 26.

In this embodiment, the output of the ranging sensor is a digital signal.

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

When the balance training device with information feedback function described in this embodiment is used in practice, the balance seat 2 is placed in a flat area, and the athlete stands on the pedal 1 with both feet. After the training starts, when the pedal 1 tilts, The signals output by the two distance measuring sensors 3 are different, and the control circuit obtains the inclination of the pedal by collecting and comparing the two distance signals, and displays and outputs the inclination in a digital or graphic manner through the display.

When displayed in numerical form, the signal difference can be displayed with a plus or minus sign, with a larger number indicating a greater slope.

When displayed in a graphic form, an overall image of the balance training device may be displayed, and then the tilting 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.

The method for processing the output signal of the tachogenerator 24 by the signal processing circuit 25 in this embodiment is a prior art.

Specific Embodiment 2: In conjunction with Fig. 1 and Fig. 2, the turret 5 in this embodiment includes an upper horizontal support 5-2, a vertical support 5-3 and a horizontal lower support 5-4, and a horizontal lower support 5-4 One end of one end is fixed on the outer end face of axle sleeve 16, and the other end of horizontal lower support 5-4 is fixedly connected with the lower end of vertical support 5-3, and the middle part of last horizontal upper support 5-2 is connected with the vertical support 5-3. The upper end is fixedly connected, and the two ends of the upper bracket 5-2 on the upper level are respectively provided with a rotating handle 5-1. Designed in this way, it is convenient for athletes to safely stand on the pedal 18 during training, to provide convenience for athletes, and to rotate with the athlete's turning force when turning. Other compositions and connections are the same as in the first embodiment.

Embodiment 3: In this embodiment, the horizontal upper bracket 5-2 is an arc-shaped bracket. Such design makes it convenient for athletes to grasp the two rotating handles 5-1. Other compositions and connections are the same as those in the second embodiment.

Embodiment 4: This embodiment is described in conjunction with FIG. 2. The bottom surface of the first groove 8-1 of this embodiment is an arc surface, and the radius of the arc surface is greater than the radius of the balance seat 2, and the chord height of the arc surface is balanced. between 0.2 and 0.6 times the height of seat 2. With such an arrangement, it is easier to ensure that the balance base 2 is located in the middle of the groove 81, so that its left and right swings have the same amplitude. Other compositions and connections are the same as those in Embodiment 1, 2 or 3.

Specific embodiment five: This embodiment is described in conjunction with FIG. 2 . The fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement in this embodiment also includes two limiting devices 10, and the two limiting devices 10 are symmetrically arranged on the base. 8, each limiting device 10 includes a slide rail, a top post 14, a stop bar 13 and a plurality of pairs of stop blocks 12; the slide rail is fixedly connected to the upper surface of the base; the top post 14 is fixed on the slider of the slide rail; multiple pairs of limit blocks 12 are arranged at equal intervals along the sliding direction on both sides of the slide rail, and each pair of limit blocks 12 is provided with a retaining rod fixing groove, and the retaining rod The fixing groove is used to place the blocking rod 13. So set, the spacing device 10 in this embodiment adopts the way of the slideway to realize the adjustment of the spacing, and the function of fixing the position is realized by arranging the limiting block on the side of the slideway, the operation is convenient and fast, and the height of the limiting device 1 is made Keeping it unchanged can ensure the consistency of the maximum angle that the pedal 1 can swing left and right defined by each gear; at the same time, two limit devices 10 are set to facilitate the swing of the balance seat 2 when beginners practice turning. Appropriate range. Other compositions and connections are the same as in Embodiment 4.

Specific embodiment six: This embodiment is described in conjunction with FIG. 2 . The fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement in this embodiment also includes two-foot limiting projections 19, and the two-foot limiting projections 19 Set on the pedal 18. Such setting is convenient for athletes to use. Other compositions and connections are the same as those in Embodiment 1, 2, 3 or 5.

Embodiment 7: This embodiment is described in conjunction with FIG. 6. The control circuit 4 of this embodiment includes two signal conditioning circuits 41, an A/D conversion circuit 42, and a controller 43; the control module is embedded in the controller 43, The signal input terminals of the two signal conditioning circuits 41 are respectively the first distance signal input terminal and the second distance signal input terminal of the control circuit 4, and the signal output terminals of the two signal conditioning circuits 41 are respectively connected to the A/D conversion Two analog signal input ends of the circuit 42, the digital signal output end of the A/D conversion circuit 42 is connected to the signal acquisition signal input end of the controller 43, and the A/D conversion control signal output end of the controller 43 is connected to A The conversion control signal input end of the /D conversion circuit 42 and the display drive signal output end of the controller are connected to the signal input end of the display 6 . So set, in this embodiment, the output of the two ranging sensors is an analog signal, and the analog signal is sent to the A/D conversion circuit after being processed by the signal conditioning circuit, and after the A/D conversion circuit converts the analog signal into a digital signal sent to the controller. The controller 43 in this embodiment can be realized by a single-chip microcomputer. Information feedback is more timely and accurate. Other compositions and connections are the same as those in Embodiment 6.

Embodiment 8: This embodiment is described in conjunction with FIG. 5 and FIG. 6. The fixed-rotation core strength training and information feedback monitoring device under infrared speed measurement in this embodiment also includes a keyboard 5, and the signal output end of the keyboard 5 is connected to the control circuit. 4 keyboard signal input terminal; the control 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.

Such setting is convenient for athletes to use. Other compositions and connections are the same as those in Embodiment 7.

Specific Embodiment Nine: This embodiment is described in conjunction with FIG. 6. The control circuit 4 of this embodiment also includes two zeroing circuits 44, and the two zeroing circuits 44 correspond to two signal conditioning circuits 41, each The signal output end of the zero adjustment circuit 44 is connected to the zero adjustment signal input end of a signal conditioning circuit 41 . In this way, the keyboard 5 is added in this embodiment, and the setting of parameters can be realized, 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. Other compositions and connections are the same as those in the seventh or eighth specific embodiment.

working principle:

When carrying out fixed-rotation core strength training and quantitative monitoring under infrared rays, athletes stand on the fixed-rotation core strength training device with quantitative monitoring function in an unstable state, and combine the optimized design of approach throwing, wrestling, basketball Wait for the characteristics of special strength, hold the pressure sensor 20 on the rotating handle 5-1 with your hand, and adjust the resistance of the rotating resistance device 17, and then perform the turning exercise. At this time, the information feedback monitoring component starts to work, and the athlete's Quantitative processing of information on the swing amplitude can measure the balance state of the athlete's body during exercise and quantitatively monitor it. The pressure sensor can display the force-velocity curve and monitor the real-time information feedback of the entire movement process;

When the athlete is turning, the balance seat 2 swings in the first groove 8-1; the speed measuring circuit of the utility model can measure the athlete's turning practice speed in real time;

In order to overcome the unstable state and maintain the correct exertion posture, athletes need to cooperate with the waist, pelvis, hip joints and lower limbs to mobilize and activate more core muscle fibers to participate in stabilizing body balance and exerting force in movements.

Claims (9)

1. an infrared ray tests the speed the training of lower Fixed swivel force at the core and information feed back supervising device, it is characterized in that: it comprises base (8), chassis (1), balance base (2), rotating turret (5), fixed axis (15), axle sleeve (16), rotational resistance device (17), pedal (18), information feed back assembly and two pressure sensors (20), base (8) is provided with the first groove (8-1), the cambered surface of to be radius be in the bottom surface of described balance base (2) R, be rotationally connected between the cambered surface of balance base (2) and base (8), chassis (1) is fixed on the upper surface of balance base (2), pedal (18) is arranged on directly over chassis (1), fixed axis (15) by vertically arranging between pedal (18) with chassis (1) is connected, and the upper end of fixed axis (15) is fixedly connected with the lower surface of pedal (18), the lower end of fixed axis (15) is fixedly connected with between chassis (1), axle sleeve (16) is sleeved on the fixed axis (15) of pedal (18) lower end, rotational resistance device (17) is arranged between fixed axis (15) and axle sleeve (16), the lower end of rotating turret (5) is fixedly connected with the outer face of axle sleeve (16), the upper end of rotating turret (5) is provided with two swing handles (5-1), each swing handle (5-1) is provided with a pressure sensor (20),

Described information feed back assembly comprises speed measure feedback unit, torsion feedback unit, two distance measuring sensors (3), control circuit (4) and displays (6), and two distance measuring sensors (3) lay respectively at the both sides of the cambered surface of balance base (2); First distance signal input of signal output part difference connection control circuit (4) of two distance measuring sensors (3) and second distance signal input, the display drive signals output of described control circuit (4) connects the signal input part of display (6); The bottom face of described pedal (18) is provided with the second groove, and control circuit (4) is arranged in the second groove of pedal (18);

Described control circuit (4) is embedded in the control module of software simulating, and described control module comprises as lower unit:

Data acquisition unit, the second distance signal that the first distance signal and second distance signal input for gathering the first distance signal input input at interval of the sampling time all simultaneously input;

Comparing unit, deducts second distance signal with the first distance signal received, and obtains signal difference;

Display unit, for converting signal difference to digital information or graphical information sends to display;

Described torsion feedback unit comprises torsion torque sensor, torsion amplifier (21) and voltage driven displays (22), and torsion torque sensor, torsion amplifier (21) and voltage driven displays (22) are connected successively;

Described speed measure feedback unit comprises tachometer generator (24), signal processing circuit (25) and tachystoscope (26), tachometer generator (24) is arranged on chassis (1), and tachometer generator (24) is connected with the lower end of fixed axis (15), the output of tachometer generator (24) is connected with signal processing circuit (25), and the data processed through signal processing circuit (25) send to tachystoscope (26).

2. infrared ray according to claim 1 test the speed lower Fixed swivel force at the core training and information feed back supervising device, it is characterized in that: described rotating turret (5) comprises horizontal upper bracket (5-2), vertical rack (5-3) and horizontal lower carriage (5-4), one end of horizontal lower carriage (5-4) is fixed on the outer face of axle sleeve (16), the other end of horizontal lower carriage (5-4) is fixedly connected with the lower end of vertical rack (5-3), the middle part of upper horizontal upper bracket (5-2) is fixedly connected with the upper end of vertical rack (5-3), the two ends of upper horizontal upper bracket (5-2) are respectively provided with a swing handle (5-1).

3. infrared ray according to claim 2 tests the speed the training of lower Fixed swivel force at the core and information feed back supervising device, it is characterized in that: upper horizontal upper bracket (5-2) is arc stent.

4. the infrared ray according to claim 1,2 or 3 test the speed lower Fixed swivel force at the core training and information feed back supervising device, it is characterized in that: the bottom surface of described first groove (8-1) is cambered surface, and the radius of this cambered surface is greater than the radius of balance base (2), between the action of cambered surface is 0.2 to 0.6 times of the height of balance base (2).

5. infrared ray according to claim 4 test the speed lower Fixed swivel force at the core training and information feed back supervising device, it is characterized in that: described infrared ray test the speed lower Fixed swivel force at the core training and information feed back supervising device also comprise two stopping means (10), two stopping means (10) are symmetricly set on base (8), and each stopping means (10) comprises an one slide rail, fore-set (14), a pin (13) and a multipair limited block (12); Described slide rail is fixedly connected with the upper surface of base; Described fore-set (14) is fixed on the slide block of slide rail; Have multipair limited block (12) in the both sides of slide rail along its glide direction spaced set, often pair of limited block (12) is provided with pin holddown groove, described pin holddown groove is for placing pin (13).

6. the infrared ray according to claim 1,2,3 or 5 test the speed lower Fixed swivel force at the core training and information feed back supervising device, it is characterized in that: described infrared ray test the speed lower Fixed swivel force at the core training and information feed back supervising device also comprise double-legged spacing preiection (19), described double-legged spacing preiection (19) is arranged on pedal (18).

7. infrared ray according to claim 6 test the speed lower Fixed swivel force at the core training and information feed back supervising device, it is characterized in that: described control circuit (4) comprises two signal conditioning circuits (41), A/D change-over circuit (42) and controller (43), described control module is embedded in controller (43), the signal input part of described two signal conditioning circuits (41) is the first distance signal input and the second distance signal input of control circuit (4) respectively, the signal output part of described two signal conditioning circuits (41) connects two input end of analog signal of A/D change-over circuit (42) respectively, the signals collecting signal input part of the digital signal output end connection control device (43) of described A/D change-over circuit (42), the A/D changeover control signal output of described controller (43) connects the changeover control signal input of A/D change-over circuit (42), the display drive signals output of described controller connects the signal input part of display (6).

8. infrared ray according to claim 7 test the speed lower Fixed swivel force at the core training and information feed back supervising device, it is characterized in that: described infrared ray test the speed lower Fixed swivel force at the core training and information feed back supervising device also comprise keyboard, the keyboard signal input of the signal output part connection control circuit (4) of described keyboard; Described control module also comprises as lower unit:

Key information collecting unit, for receiving the key information of input through keyboard;

Key information decoding unit, for judging the content obtaining key information, when key information is sampling time information, using this sampling time information as sampling time information; When key information is for exporting numerical monitor information, send numerical monitor order to display unit; When key information is image display information, send graphics display command to display unit;

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

9. the infrared ray according to claim 7 or 8 test the speed lower Fixed swivel force at the core training and information feed back supervising device, it is characterized in that: described control circuit (4) also comprises two zeroing circuits (44), described two zeroing circuits (44) are corresponding with two signal conditioning circuits (41) respectively, and the signal output part of each zeroing circuit (44) connects the zeroed signal input of a signal conditioning circuit (41).