CN109954251A - A treadmill control method - Google Patents
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0062—Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance
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Abstract
本发明提供一种跑步机控制方法，它包括以下步骤：S1、跑步机启动后，获取安装在跑板前端的超声波测距传感器的信息给主控制器，主控制器分析得出用户与超声波测距传感器之间的距离；S2、当用户在预设的运动距离L1内时，检测当前时段的用户的第一运动步频，以及下一时段的用户的第二运动步频，然后比较第一运动步频和第二运动步频的大小，根据比较结果对跑步带速度进行调整；S3、用户位于预设的运动距离L1内时，重复步骤S2；S4、当用户在预设的运动距离L1外时，主控制器控制跑步带减速；S5、当用户在预设的安全距离L2外时，主控制器控制跑步带缓停。采用该方法，用户控制跑步带的速度更加灵活，用户体验更好，且有设有安全距离，防止用户从跑步机上摔落，用户使用更加安全。
The invention provides a treadmill control method, which includes the following steps: S1. After the treadmill is started, obtain information of an ultrasonic ranging sensor installed at the front end of the treadmill to a main controller, and the main controller analyzes and obtains the relationship between the user and the ultrasonic sensor. The distance from the sensor; S2, when the user is within the preset motion distance L1, detect the first motion cadence of the user in the current period and the second motion cadence of the user in the next period, and then compare the first motion cadence of the user in the next period. The size of the exercise cadence and the second exercise cadence, and the running belt speed is adjusted according to the comparison result; S3, when the user is within the preset exercise distance L1, repeat step S2; S4, when the user is within the preset exercise distance L1 When outside, the main controller controls the running belt to decelerate; S5, when the user is outside the preset safe distance L2, the main controller controls the running belt to slow down. By adopting this method, the speed of the user controlling the running belt is more flexible, the user experience is better, and a safety distance is provided to prevent the user from falling off the treadmill, and the user is safer to use.
Description
技术领域technical field
本发明涉及跑步机技术领域，具体讲是一种跑步机控制方法。The invention relates to the technical field of treadmills, in particular to a treadmill control method.
背景技术Background technique
跑步机又称走步机，一般包括跑板，跑板包括跑板体和覆盖在跑板体外、被电动机驱动且由前后滚筒张紧并带动的跑带、跑板支撑结构如前端的框边和两侧的侧边的框边。Treadmill, also known as walking machine, generally includes a running board. The running board includes a running board body and a running belt covering the outside of the running board, driven by a motor and tensioned and driven by front and rear rollers, and a running board support structure such as the front frame edge. and frame borders on both sides.
传统的跑步机的速度是需要通过控制面板上的按钮来进行加速或者减速的调节，用户使用较为不便，目前出现一种智能调节跑步带速度的方法，它采用电流检测方法检测用户跑步的步频，并根据用户的步频来调节跑步机的速度，这种方法虽然用户可以自主控制跑步机的速度，但是，用户想要加快减慢跑步机速度或者想要停止跑步机时，还必须逐渐减慢步频来实现，也不方便，用户体验较差，且如果用户步频控制的不好，用户位于跑步机的后段，跑步机的速度仍然比较快，这时对于用户来讲就比较危险，存在人身伤害的安全隐患。The speed of the traditional treadmill needs to be adjusted through the buttons on the control panel to accelerate or decelerate, which is inconvenient for users to use. At present, there is a method of intelligently adjusting the speed of the running belt, which uses the current detection method to detect the cadence of the user's running. , and adjust the speed of the treadmill according to the user's stride frequency. Although the user can control the speed of the treadmill independently, when the user wants to speed up or slow down the treadmill or stop the treadmill, he must gradually reduce the speed of the treadmill. It is inconvenient to realize the slow stride frequency, and the user experience is poor. If the user's stride frequency is not well controlled, the user is located in the back part of the treadmill, and the speed of the treadmill is still relatively fast, which is more dangerous for the user. , there is a safety hazard of personal injury.
发明内容SUMMARY OF THE INVENTION
本发明要解决的技术问题是，提供一种用户体验较好，且使用更加安全的跑步机控制方法。The technical problem to be solved by the present invention is to provide a treadmill control method with better user experience and safer use.
本发明的技术解决方案是，提供一种跑步机控制方法，它包括以下步骤：The technical solution of the present invention is to provide a treadmill control method, which comprises the following steps:
S1、跑步机启动后，获取安装在跑板前端的超声波测距传感器的信息给主控制器，主控制器分析得出用户与超声波测距传感器之间的距离；S1. After the treadmill is started, the information of the ultrasonic ranging sensor installed on the front end of the treadmill is obtained to the main controller, and the main controller analyzes and obtains the distance between the user and the ultrasonic ranging sensor;
S2、当用户在预设的运动距离L1内时，检测当前时段的用户的第一运动步频，以及下一时段的用户的第二运动步频，然后比较第一运动步频和第二运动步频的大小，根据比较结果对跑步带速度进行调整：若第二运动步频小于第一运动步频，则控制跑步带速度减慢，若第二运动步频大于第一运动步频，则控制跑步带速度加快，若第二运动步频等于第一运动步频，则控制跑步带速度不变；S2. When the user is within the preset motion distance L1, detect the user's first motion cadence in the current period and the user's second motion cadence in the next period, and then compare the first motion cadence with the second motion The size of the stride frequency, adjust the running belt speed according to the comparison result: if the second exercise stride frequency is less than the first exercise stride frequency, control the running belt speed to slow down, if the second exercise stride frequency is greater than the first exercise stride frequency, then Control the speed of the running belt to increase, if the second exercise cadence is equal to the first exercise cadence, then control the speed of the running belt to remain unchanged;
S3、用户位于预设的运动距离L1内时，重复步骤S2；S3, when the user is within the preset movement distance L1, repeat step S2;
S4、当用户在预设的运动距离L1外时，主控制器控制跑步带减速；S4. When the user is outside the preset movement distance L1, the main controller controls the running belt to decelerate;
S5、当用户在预设的安全距离L2外时，主控制器控制跑步带缓停；S5. When the user is outside the preset safe distance L2, the main controller controls the running belt to stop slowly;
其中安全距离L2大于运动距离L1。The safety distance L2 is greater than the movement distance L1.
采用该方法后，在超声波传感器检测到用户处于跑板上的运动距离L1内时，即跑板的前段时，通过检测步频控制跑步机加速减速，当用户处于运动距离L1外时，说明用户的跑步速度跟不上跑带的速度，此时控制跑带减速来适应用户，当用户在预设的安全距离L2外时，说明用户想停止跑步机，此时主控制器控制跑步带缓停。采用该方法，用户控制跑步带的速度更加灵活，用户体验更好，且有设有安全距离，防止用户从跑步机上摔落，用户使用更加安全。After using this method, when the ultrasonic sensor detects that the user is within the running distance L1 of the running board, that is, when the running board is in the front section, the treadmill is controlled to accelerate and decelerate by detecting the cadence. When the user is outside the running distance L1, it means that the user The running speed cannot keep up with the speed of the running belt. At this time, the running belt is controlled to decelerate to adapt to the user. When the user is outside the preset safe distance L2, it means that the user wants to stop the treadmill. At this time, the main controller controls the running belt to slow down. . By adopting this method, the speed of the user to control the running belt is more flexible, the user experience is better, and a safety distance is provided to prevent the user from falling off the treadmill, and the user is safer to use.
所述步频通过检测用户在跑步机上运动时，跑步机的无刷直流驱动电机的电流信号获得，用户每在跑步带上踩踏一下，所检测的电流信号会发生一次波动，通过检测该波动的频率计算用户的步频。若跑步机的驱动电机采用无刷直流驱动电机，则可以通过检测电机的电流信号来计算用户的步频。The cadence is obtained by detecting the current signal of the brushless DC drive motor of the treadmill when the user is exercising on the treadmill. Every time the user steps on the running belt, the detected current signal will fluctuate once. Frequency Calculates the user's cadence. If the drive motor of the treadmill adopts a brushless DC drive motor, the user's stride frequency can be calculated by detecting the current signal of the motor.
所述步频通过超声波传感器的信号获取，用户在跑步带上运动时，每向前迈一步，超声波传感器所检测到的的距离会迅速变小，随着跑步带的转动，该距离会缓慢增大，直到用户再向前迈一步，通过计算超声波传感器检测到的相邻距离波动之间的时间得到用户的步频。通过超声波传感器的信号来计算步频，不需要受到跑步机的电机类型的限制。The cadence is obtained from the signal of the ultrasonic sensor. When the user moves on the running belt, each step forward, the distance detected by the ultrasonic sensor will decrease rapidly, and as the running belt rotates, the distance will slowly increase. until the user takes another step forward, and the user's stride frequency is obtained by calculating the time between adjacent distance fluctuations detected by the ultrasonic sensor. The cadence is calculated from the signal of the ultrasonic sensor and is not limited by the type of motor of the treadmill.
它还包括跑步机的启动方法，当跑步机停止时，通过超声波测距传感器检测用户是否在启动距离L3内，若用户在启动距离L3内，则主控制器控制跑步机启动。采用该方法启动跑步机，使跑步机的启动更加智能。It also includes a starting method of the treadmill. When the treadmill stops, the ultrasonic distance sensor detects whether the user is within the starting distance L3. If the user is within the starting distance L3, the main controller controls the treadmill to start. Using the method to start the treadmill makes the start of the treadmill more intelligent.
所述跑步机启动采用延时启动的方式，即在接受到启动指令后，在设定时间内开启跑步机电机，并将启动过程向用户展示。采用该方法，提高用户的使用安全性。The treadmill startup adopts a delayed startup method, that is, after receiving the startup instruction, the treadmill motor is turned on within a set time, and the startup process is displayed to the user. By adopting this method, the use safety of the user is improved.
所述运动距离L1在跑板与超声波传感器相距的1/2跑板长度处。The moving distance L1 is at 1/2 the length of the running board between the running board and the ultrasonic sensor.
所述安全距离L2在跑板与超声波传感器相距的3/4跑板长度处。The safety distance L2 is at 3/4 of the length of the running board between the running board and the ultrasonic sensor.
所述启动距离L3在跑板与超声波传感器相距的1/3跑板长度处。The starting distance L3 is at 1/3 the length of the running board from the ultrasonic sensor.
附图说明Description of drawings
图1是本发明跑步机控制方法的流程图；Fig. 1 is the flow chart of the treadmill control method of the present invention;
图2是本发明跑步机控制系统的方框图。Figure 2 is a block diagram of the treadmill control system of the present invention.
具体实施方式Detailed ways
下面结合附图对本发明的具体实施方式作进一步说明。在此需要声明的是，对于这些具体实施方式的说明用于帮助理解本发明，但并不构成对本发明的限定。此外，下面所描述的本发明的各个具体实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互组合。The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be stated here that the description of these specific embodiments is used to help the understanding of the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the specific embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
如图2所示，本发明中采用该跑步机控制方法的跑步机控制系统包括主控制器、电机驱动模块、电机、超声波传感器、跑带、步频检测模块、显示屏、扬声器，其中电机驱动模块、超声波传感器、步频检测莫魁岸、显示屏、扬声器均与主控制器连接，电机驱动模块与电机连接，用于驱动电机转动，电机与跑带连接，带动跑带运动，步频检测模块与主控制器连接，用于将步频信息发送给主控制器。图2中所示为采用检测电机电流的方法检测步频，因此步频检测模块与电机驱动模块连接。若采用超声波传感器检测步频，则步频检测模块与超声波传感器连接。As shown in Figure 2, the treadmill control system using the treadmill control method in the present invention includes a main controller, a motor drive module, a motor, an ultrasonic sensor, a running belt, a cadence detection module, a display screen, and a speaker, wherein the motor drives The module, ultrasonic sensor, stride frequency detection mokuan, display screen, and speaker are all connected to the main controller. The motor drive module is connected to the motor to drive the motor to rotate. The motor is connected to the running belt to drive the running belt to move, and the stride frequency is detected. The module is connected with the main controller and is used to send the cadence information to the main controller. As shown in Figure 2, the step frequency is detected by the method of detecting the motor current, so the step frequency detection module is connected with the motor drive module. If an ultrasonic sensor is used to detect the cadence, the cadence detection module is connected to the ultrasonic sensor.
如图1所示，本发明提供一种跑步机控制方法，它包括以下步骤：As shown in Figure 1, the present invention provides a treadmill control method, which comprises the following steps:
S1、跑步机启动后，获取安装在跑板前端的超声波测距传感器的信息给主控制器，主控制器分析得出用户与超声波测距传感器之间的距离；S1. After the treadmill is started, the information of the ultrasonic ranging sensor installed on the front end of the treadmill is obtained to the main controller, and the main controller analyzes and obtains the distance between the user and the ultrasonic ranging sensor;
S2、当用户在预设的运动距离L1内时，检测当前时段的用户的第一运动步频，以及下一时段的用户的第二运动步频，然后比较第一运动步频和第二运动步频的大小，根据比较结果对跑步带速度进行调整：若第二运动步频小于第一运动步频，则控制跑步带速度减慢，若第二运动步频大于第一运动步频，则控制跑步带速度加快，若第二运动步频等于第一运动步频，则控制跑步带速度不变；S2. When the user is within the preset motion distance L1, detect the user's first motion cadence in the current period and the user's second motion cadence in the next period, and then compare the first motion cadence with the second motion The size of the stride frequency, adjust the running belt speed according to the comparison result: if the second exercise stride frequency is less than the first exercise stride frequency, control the running belt speed to slow down, if the second exercise stride frequency is greater than the first exercise stride frequency, then Control the speed of the running belt to increase, if the second exercise cadence is equal to the first exercise cadence, then control the running belt speed to remain unchanged;
S3、用户位于预设的运动距离L1内时，重复步骤S2；S3, when the user is within the preset movement distance L1, repeat step S2;
S4、当用户在预设的运动距离L1外时，主控制器控制跑步带减速；S4. When the user is outside the preset movement distance L1, the main controller controls the running belt to decelerate;
S5、当用户在预设的安全距离L2外时，主控制器控制跑步带缓停；S5. When the user is outside the preset safe distance L2, the main controller controls the running belt to stop slowly;
其中安全距离L2大于运动距离L1。The safety distance L2 is greater than the movement distance L1.
采用该方法后，在超声波传感器检测到用户处于跑板上的运动距离L1内时，即跑板的前段时，通过检测步频控制跑步机加速减速，当用户处于运动距离L1外时，说明用户的跑步速度跟不上跑带的速度，此时控制跑带减速来适应用户，当用户在预设的安全距离L2外时，说明用户想停止跑步机，此时主控制器控制跑步带缓停。采用该方法，用户控制跑步带的速度更加灵活，用户体验更好，且有设有安全距离，防止用户从跑步机上摔落，用户使用更加安全。After using this method, when the ultrasonic sensor detects that the user is within the running distance L1 of the running board, that is, when the running board is in the front section, the treadmill is controlled to accelerate and decelerate by detecting the cadence. When the user is outside the running distance L1, it means that the user The running speed cannot keep up with the speed of the running belt. At this time, the running belt is controlled to decelerate to adapt to the user. When the user is outside the preset safe distance L2, it means that the user wants to stop the treadmill. At this time, the main controller controls the running belt to slow down. . By adopting this method, the speed of the user to control the running belt is more flexible, the user experience is better, and a safety distance is provided to prevent the user from falling off the treadmill, and the user is safer to use.
所述步频通过检测用户在跑步机上运动时，跑步机的无刷直流驱动电机的电流信号获得，用户每在跑步带上踩踏一下，所检测的电流信号会发生一次波动，通过检测该波动的频率计算用户的步频。若跑步机的驱动电机采用无刷直流驱动电机，则可以通过检测电机的电流信号来计算用户的步频。The cadence is obtained by detecting the current signal of the brushless DC drive motor of the treadmill when the user is exercising on the treadmill. Every time the user steps on the running belt, the detected current signal will fluctuate once. Frequency Calculates the user's cadence. If the drive motor of the treadmill adopts a brushless DC drive motor, the user's stride frequency can be calculated by detecting the current signal of the motor.
所述步频通过超声波传感器的信号获取，用户在跑步带上运动时，每向前迈一步，超声波传感器所检测到的的距离会迅速变小，随着跑步带的转动，该距离会缓慢增大，直到用户再向前迈一步，通过计算超声波传感器检测到的相邻距离波动之间的时间得到用户的步频。通过超声波传感器的信号来计算步频，不需要受到跑步机的电机类型的限制。在本实施例中，超声波传感器检测的信号波形中，横坐标表示时间，纵坐标表示信号强度，信号幅值越高，表示用户的腿部距离超声波传感器越近，当用户在跑步机上跑步或者走步时，用户每向前迈一步，超声波传感器检测的信号幅值就会有一次迅速地提升，然后随着跑带的转动，幅值会缓慢降低，直到用户迈另外一条腿，幅值由会大幅提升，因此通过检测超声波信号波形中相邻波峰的时间间隔即可以判断用户的步频。The cadence is obtained from the signal of the ultrasonic sensor. When the user moves on the running belt, each step forward, the distance detected by the ultrasonic sensor will decrease rapidly, and as the running belt rotates, the distance will slowly increase. until the user takes another step forward, and the user's stride frequency is obtained by calculating the time between adjacent distance fluctuations detected by the ultrasonic sensor. The cadence is calculated from the signal of the ultrasonic sensor without being limited by the type of motor of the treadmill. In this embodiment, in the signal waveform detected by the ultrasonic sensor, the abscissa represents time, and the ordinate represents the signal strength. The higher the signal amplitude, the closer the user's leg is to the ultrasonic sensor. When the user runs or walks on the treadmill When the user takes a step forward, the amplitude of the signal detected by the ultrasonic sensor will increase rapidly, and then as the running belt rotates, the amplitude will slowly decrease until the user takes another leg, and the amplitude will increase from It is greatly improved, so the user's stride frequency can be judged by detecting the time interval between adjacent peaks in the ultrasonic signal waveform.
它还包括跑步机的启动方法，当跑步机停止时，通过超声波测距传感器检测用户是否在启动距离L3内，若用户在启动距离L3内，则主控制器控制跑步机启动。采用该方法启动跑步机，使跑步机的启动更加智能。It also includes a starting method of the treadmill. When the treadmill stops, the ultrasonic distance sensor detects whether the user is within the starting distance L3. If the user is within the starting distance L3, the main controller controls the treadmill to start. Using the method to start the treadmill makes the start of the treadmill more intelligent.
所述跑步机启动采用延时启动的方式，即在接受到启动指令后，在设定时间内开启跑步机电机，并将启动过程向用户展示。采用该方法，提高用户的使用安全性。如：当用户站在跑步机的启动距离之内时，跑步机的显示屏上显示跑步机启动或发出语音告诉用户，跑步机开始启动，然后进行3秒倒计时，倒计时结束后缓慢启动跑步机，采用该方法，用户使用会更加安全，且更人性化。The treadmill startup adopts a delayed startup method, that is, after receiving the startup instruction, the treadmill motor is turned on within a set time, and the startup process is displayed to the user. By adopting this method, the use safety of the user is improved. For example: when the user stands within the starting distance of the treadmill, the display of the treadmill will show that the treadmill is on or send out a voice to tell the user that the treadmill will start, and then count down for 3 seconds. After the countdown is over, start the treadmill slowly. By adopting this method, the user's use will be safer and more humane.
在本实施例中，所述运动距离L1在跑板与超声波传感器相距的1/2跑板长度处。所述安全距离L2在跑板与超声波传感器相距的3/4跑板长度处。所述启动距离L3在跑板与超声波传感器相距的1/3跑板长度处。当然，运动距离L1、安全距离L2以及启动距离L3的值均为设计人员根据自己的需要进行设置，并不限于上述具体数值。In this embodiment, the moving distance L1 is at 1/2 the length of the running board from the ultrasonic sensor. The safety distance L2 is at 3/4 of the length of the running board between the running board and the ultrasonic sensor. The starting distance L3 is at 1/3 of the length of the running board between the running board and the ultrasonic sensor. Of course, the values of the moving distance L1, the safety distance L2 and the starting distance L3 are all set by the designer according to their own needs, and are not limited to the above specific values.
以上所述仅为本发明的优选实施方式，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
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