figure 1 EXAMPLES The sports device includes pedal 1, motor and bridge assembly 2, driven wheel and bridge assembly 3, power supply assembly 4, main control panel assembly 5, motor drive module 6, protective housing 7, power switch 8, battery charging port 9, etc. . You can refer to the existing electric scooter, the universal pedal, motor, and bridge assembly, driven wheels and bridge assemblies, power components, power switch, battery charging ports, can be connected.
 This embodiment preferably operates from operating voltages 24V, power 120W, 2 hub motors of 72 mm, with a standard bridge and spare part of the hub motor, and a pu wheel of 72 mm, and matched with the motor and bridge assembly. Standard bridge and spare parts composition of driven wheels and bridge assemblies, rated voltages 24V, capacity 4AH power lithium battery pack as power components.
 The main control panel component includes a circuit board, a microprocessor, and a conventional element well known to those skilled in the art, such as a circuit board, a diode, a capacitor, a resistor, a socket, a pin, a wiring, etc. METM, card computers, etc. can be used as microprocessors, such as Arduino, STM32, C51, Raspberry Pieces, contain more, standard input and output ports, can load program files.
 There are a variety of common motor drive modules in the market. This embodiment preferably operates from 12 to 36V, double drive, DC, brushless, Hall, hard exchange, high power hub motor control panel as a motor drive module. Hard replacement means that it is not necessary to stop immediately. In order to ensure a smooth, comfortable, the motor drive module of the existing electric scooter should not have a hard exchange function. This embodiment preferably has a motor drive module that has a hard-switched function, and the driving chip on which the drive chip is hard-replaced, re-advanced impact strength and reaction speed.
 The phase line output of the motor drive module is in turn connected to the phase line input of the motor, and the Hall port is connected to the Hall line of the motor. Existing electric scooters typically do not need to connect the motor Hall line, which is preferably connected to the motor Hall line to monitor the motor rotation signal.
 The remote control can be used in infrared, Bluetooth, 2.4G, WiFi, etc. A wireless remote control, setting start, acceleration, deceleration, re-advance, stop button. The wireless communication module corresponding to the aforementioned remote control can be used as the remote receiving module / two-way wireless communication module. This embodiment preferred Bluetooth or Internet of Things module as a remote receiving module / two-way wireless communication module, inserted or integrated on the main control board component, communicating with the microprocessor, through wireless signal / mobile Internet and remote control / intelligence Terminal device communication connection.
 The intelligent terminal device can be a common smartphone, a tablet, including a similar device such as a tablet, a load application (APP), or a small program to communicate two-way communication with the device via the wireless communication module.
 Preferably, the microprocessor internal timer and the loaded automatic timing block are used as the automatic timing module, with a quarter tube or a liquid crystal display as a timing display module, and mounted on the upper surface of the forward direction side, communicating with the microprocessor. When the track start, the microprocessor receives the start command, the automatic timing module starts the timing from 0, and the time is at the end of the track; the timing display module, the timing value of the automatic timing module output is displayed, continue to remain at the end of the time. Display when a time value is used.
 Preferably, the microprocessor loads the automatic rollback program block as the automatic retroffall module, the microprocessor output port is connected to the direction port of the motor drive module, the device, each line, into a distance (e.g., 0.5 m) or a period of time (eg, 2S), change the motor The direction port control signal of the drive module, the drive motor is reversed, and the automatic retrogression is realized. Among them, the timing reverse, preferably by the microprocessor built-in timer and block implementation, when starting and receiving the re-forward instruction, when the predetermined time threshold (e.g., 2S) is reached, the automatic reverse signal is triggered; the distance reversed, It is preferable to achieve the motor Hall signal, and the motor drive module generates a rotational pulse output to the pulse port (M), the microprocessor monitoring and the motor drive module pulse port (M), statistics. This signal is changed, and when the count reaches the preset number threshold, the automatic retrolling signal is triggered.
 The pulse signal default number threshold, can be derived according to the diameter, polar logarithm, and phase conversion in the motor parameter, such as a diameter of 72 mm, a polar alternate 10-phase hub motor, each pulse line is 72mm * π / (10 pairs Pole * 3 phase), about 7.536mm, if it is desired to automatically reverse each, the pulse signal default number threshold can be set to 66, i.e., 500 mm / 7.536 mm is approximately equal to 66.
 Preferably, the microprocessor is loaded with the reopeous process sequence block as a re-forward module, the microprocessor input and output port is communicating and transmitting the remote control receiving module / two-way wireless communication module, automatically listens to the command signal issued by the receiving button or the remote control, detects re-advancement When the instruction is immediately changed, the direction port control signal of the motor drive module is changed, and the drive motor changes the direction of rotation, thereby implementing the device immediately swing to the re-moving direction.
 Further, the apparatus may also include a track, the track has a starting point, end point, a middle-trip card, which can set multiple levels, and the track can also be curved. A slightly longer track, such as more than 2 meters, can enhance the user experience. The track can be implemented in a method such as brush color or a colored tape in the ground track area.
 Further, the apparatus may further include a starting point detection module, a terminal detection module, a level detection module, an off -ral detection module, and an automatic detection technique can be transferred from the prior art in other fields, such as a smart cave patrol technology. AGV navigation technology, etc., in the bottom of the device, electromagnetic or optical sensor, the sensor is connected to the microcomputer input and output port on the main control panel assembly, respectively, at the start, the end, the end point, the relevant signs, the sensor automatic detection recognition Preset sign.
 The microcomputer is loaded with start, end, level, and boundary detection block, and automatically monitor the signal of the sensor back to the microcomputer. When the starting point signal is detected, the automatic timing module starts the timing; when the end point signal is detected, the automatic timing module is notified to end the timing; detect the off -ral signal or timely detect the preset level of level, automatically stop or will be the current time data. Set it is invalid.
 Further, the apparatus may further include a drop detection module, mounting pressure, limit or proximity sensor on the device, coupled to the microcomputer input and output port on the main control panel assembly, and the microcomputer is loaded with drop detection block The automatic monitoring of the sensor is transmitted back to the microcomputer, detects the drop signal in the middle, automatically abort or set the time data to be invalid.
 Further, the device can also include a component, mounted or integrated to the pedal, or an assembly that produces a tenderness.
 Further, the apparatus may further include multiplayer collaborative remote control modules, support multiplayer movement with the same device movement. For example, in the startup, you can set a multi-person remote control, accept multiples to join the remote control team through the application app or applet loaded on the intelligent terminal device. When all operators press the re-forward button, the remote control is issued to the device. Reverse the instruction.
 Further, the apparatus further includes a remote operation module, which is supported by the operator remotely operated by the device remotely; the remote operator can remotely operate by the Internet / mobile Internet, controlling the device to start, speed up, Reprogramment, stop, etc .; remote operators can also observe the device using live live electrical in the video live or video call; to form a virtual combination of remote electrical competition.
 figure 2 For the simple flow chart of the alien in the embodiment of the present invention, the specific steps are as follows.
 Preparation: Open the device power switch, place it in the race of track.
 The athletic device is turned on, initialized, and self-test. You can play a competition without manner. If you can compete, a sportsman or station, or sitting, or other conventional posture remains not falling on the device.
 Further, it is also possible to specify that the agent carrying the acer and remote control operators not the same person.
Further, multi-person cooperative operation remote control can be carried out, and multiplayer moves with the same device to move. For example, in the startup, you can set a multi-person remote control, accept multiples to join the remote control team through the application app or applet loaded on the intelligent terminal device. When all operators press the re-forward button, the remote control is issued to the device. Reverse the instruction.
 Further, it is further, and the remote operation may also be included, and the device can remotely manipulate the device from the operator that does not use the site; the remote operator can remotely operate by the Internet, controlling the device to start, speed up, re-advance, etc.; You can also observe the fact that the device uses the site by video live or video call; to form a virtual combination of remote electrical competition.
 1. Start, start timing: start competition, start the instruction to the device, the device automatically starts timing from 0, start moving forward.
 2, the device advances: During the device advance, the motor rotation signal or timing signal is automatically monitored, and it is determined whether or not a predetermined distance or time is reached, and if a predetermined distance or time is reached, it will enter step 3.
 If you arrive at the end, you receive a stop instruction, go to step 5.
 Further, the end signal can also be automatically detected, and if the end point signal is detected, go to step 5.
 Further, it is also possible to automatically detect the level signal, the offshore signal, and drop the signal. If the preset level signal is not detected, automatic parking or the time the time data is set to be invalid; if the off -ral signal or drop signal is detected, the automatic parking is automatically stopped or invalid.
 Further, in order to increase difficulty and fun, it can also specify to complete the level task on the way, such as making pattern actions, on the way, and additives, combined with the corresponding task completion.
 3, auto reverse: The device automatically reverse immediately and automatically listens to re-forward signals. If you receive a re-advance instruction, enter step 4.
 Further, the off -ral signal can be automatically detected at the same time, drop the signal, if the offshore or drop signal is detected, automatically park or set the time data to be invalid.
 4, re-advance: The device is immediately rotated to the backward state and enter step 2 to continue the cycle.
 5. At the end of the timing, when the competition is displayed: The device automatically ends this time and continues to remain displayed as a time value. Further, it is also possible to send the data transmission to the smart terminal device and / or the cloud, produced by intelligent terminal devices and / or clouds, publishing a race, competitive list, etc., and the competitive list can also be pressed, and the region , Staff, category, etc., released.
 6, the end of the competition, turn off the power: This competition ends, if you need to continue to compete, return to the initial preparation step; if you don't need to continue, turn off the power and close.
 The above-described embodiment of the present invention is illustrated by the part of the various modules described above. In the actual application, the function allocation can be done by different functional modules as needed; each module, component can be discrete, or integrated Together; in the apparatus and methods, it can be referred to with each other, and will not be described again. The alternative embodiments of the present application are not intended to limit the present application, and any modifications, equivalents, improvements, etc. according to the spirit and principles of the present application, should be included in the protection range of the present application. within.