CN213677007U

CN213677007U - Scooter speed control system based on gyroscope

Info

Publication number: CN213677007U
Application number: CN202022858498.9U
Authority: CN
Inventors: 杜明轩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-13
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a scooter speed control system based on gyroscope, control system mainly includes: the device comprises a main control module, a speed detection module, a pressure monitoring module, a wireless communication module, a gyroscope, a control motor, an information prompt module and a power supply module; the main control module is electrically connected with the speed detection module, the pressure monitoring module, the wireless communication module, the control motor and the information prompt module respectively; the control system adjusts the speed in real time according to the gravity data acquired by the pressure monitoring module and the gyroscope and speed detection module; the remote control of the speed of the scooter is realized according to the wireless communication module; and carrying out overspeed prompt and low-power prompt according to one or more of a sound device, a vibration device and a light-emitting device of the information prompt module. The technical scheme provided makes the speed control more humanized, and achieves the purpose of eliminating the potential safety hazard without adding any additional operation and burden.

Description

Scooter speed control system based on gyroscope

Technical Field

The utility model relates to a scooter technical field especially relates to a scooter speed control system based on gyroscope.

Background

The scooter is a novel product appearing on the basis of the improvement of the traditional scooter. The scooter has the integral structure including the upper body and the lower body of the scooter, and has the front and back wheels with brake. At present, most of the common scooters rely on the user to step on the ground alone or rely on the motor drive alone to move ahead, and these two kinds of scooters all have certain not enough. On the basis, some manufacturers push the scooter with mixed electric power and manpower, so that the user can exercise and provide convenience for riding instead of walk. However, the power assistance provided by the motor of the hybrid scooter is generally provided according to a plurality of gears set by a manufacturer, and a user cannot adjust the speed of the hybrid scooter at will, so that the experience feeling is poor.

With the progress of science and technology, the production process and the use function of the existing scooter gradually become complicated, and the design defect is easy to generate. For example: when the scooter is on a downhill, the speed is increased under the action of gravity, and when the speed is too high, the brake is failed; the scooter component can lead to accelerating signal to switch on after damaging, and the controller lasts to accept accelerating signal, makes the continuous rotation action of motor, easily causes the potential safety hazard. Meanwhile, the child is easy to have misoperation or the vehicle speed is too high, so that the child is separated from the view of the guardian, and potential safety hazards are caused. Therefore, aiming at various problems of the scooter, the design of a method for monitoring the speed of the scooter in real time, adjusting the power output by the motor of the scooter according to the running speed and carrying out corresponding information prompt according to the real-time speed is urgently needed; meanwhile, a speed control system capable of performing remote forced braking is designed, so that a user can obtain good experience.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art not enough, the utility model aims at providing a scooter speed control system based on gyroscope aims at solving the potential safety hazard problem that exists among the current scooter speed control technique to and can't realize remote vehicle speed control's defect. The technical scheme of the utility model as follows:

the utility model provides a scooter speed control system based on gyroscope, include: the device comprises a main control module, a speed detection module, a pressure monitoring module, a wireless communication module, a gyroscope, a control motor, an information prompt module and a power supply module; the main control module is electrically connected with the speed detection module, the pressure monitoring module, the wireless communication module, the control motor and the information prompt module respectively; the power supply module is respectively and electrically connected with the main control module, the speed detection module, the pressure monitoring module, the wireless communication module, the gyroscope, the control motor and the information prompt module; the gyroscope is electrically connected with the speed detection module; the information prompt module comprises one or more of a sound device, a vibration device and a light-emitting device.

The power module comprises an electric quantity monitoring module, and the electric quantity monitoring module is electrically connected with the information prompt module and used for low-electric quantity alarm prompt.

The wireless communication module is installed in the non-metal part of the scooter without signal shielding effect.

The control motor comprises a rear wheel driving motor and a brake device.

The pressure monitoring module is installed at the foot board part at the bottom of the scooter body and used for monitoring the weight of a user borne by the scooter.

The scooter includes: the scooter comprises a scooter body, a pedal, a front wheel arranged at the front end of the pedal, a rear wheel arranged at the rear end of the pedal, a handle rod standing on the pedal and a handle arranged on the handle rod.

The handle rod comprises a brake switch and a control line, one end of the control line is electrically connected with the brake switch, and the other end of the control line is electrically connected with the control motor.

Compared with the prior art, the utility model discloses a following advantage:

the utility model can realize the matching of the gravity and the speed of the scooter according to the gravity data collected by the pressure monitoring module; the remote control of the speed of the scooter can be realized according to the wireless communication module; the system can perform overspeed prompt and low-power prompt according to one or more of a sound device, a vibration device and a light-emitting device of the information prompt module; the speed can be adjusted in real time according to the gyroscope and the speed detection module, and the control motor can be started/stopped according to the real-time speed. The technical scheme provided makes the speed control more humanized, and achieves the purpose of eliminating the potential safety hazard without adding any additional operation and burden.

Drawings

Fig. 1 is a block diagram of the speed control system of the scooter of the present invention.

Fig. 2 is a control flow chart of the speed control system of the scooter provided by the present invention.

Fig. 3 is a schematic view of a scooter carrier of the scooter speed control system based on the gyroscope of the present invention.

Detailed Description

The utility model provides a scooter speed control system based on gyroscope, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the description of the specific embodiments is only for the purpose of illustrating the present invention and is not intended to limit the present invention.

The utility model provides a scooter speed control system's based on gyroscope structural diagram, as shown in figure 1. The scooter speed control system based on gyroscope includes: the device comprises a main control module 101, a speed detection module 102, a gyroscope 103, a pressure monitoring module 104, a wireless communication module 105, an information prompt module 106, a control motor 107 and a power supply module 108; the main control module 101 is electrically connected to the speed detection module 102, the pressure monitoring module 104, the wireless communication module 105, the control motor 107, and the information prompt module 106, respectively, as illustrated by the thin solid lines in the direction of fig. 1.

1. The main control module 101 adopts Arduino Mega 2560 or Arduino Uno series board cards, and is provided with 2 paths of USB data interfaces, 1 path of IIC-BUS interfaces, 8 paths of I/O control interfaces, 1 path of power interfaces and an integrated 6-channel 10-bit CMOS A/D converter; the main control module 101 directly collects the sensor detection data output by analog quantity through an A/D converter, and collects the sensor detection or monitoring data output by digital quantity through an I/O control interface, and can send control signals to the information prompt module 106 and the control motor 107 through the I/O control interface, and the power interface of the main control module 101 is connected with the power module 108 to provide power for the power module.

2. The speed detection module 102 has one end electrically connected to the gyroscope 103 and the other end electrically connected to the power module 108, and is configured to receive angular acceleration data sent by the gyroscope 103, calculate a real-time operation speed of the scooter according to the angular acceleration data, and store and transmit the real-time operation speed data of the scooter to the main control module 101 of the scooter.

3. The gyroscope 103 is a two-degree-of-freedom gyroscope or a three-degree-of-freedom gyroscope, the gyroscope 103 is electrically connected with the speed detection module 102, and can acquire angular acceleration data of the scooter in one or more directions and transmit the data to the speed detection module 102 in real time.

4. The pressure monitoring module 104 adopts waterproof and dustproof piezoelectric sensors or piezoresistive sensors, and the sensors are distributed in a pedal at the bottom of the scooter body according to a certain rule; the pressure monitoring module 104 is electrically connected to the main control module 101, and is configured to send the collected pressure monitoring data to the main control module 101.

5. The wireless communication module 105 is a wireless network card device, has an IPX antenna interface, adopts an FPC board type built-in antenna, is connected with the IPX interface through a flexible special antenna, and can transmit and receive 2.4GHz or 433MHz frequency band signals.

6. The information prompt module 106 comprises one or more of a sound device, a vibration device and a light-emitting device; the information prompt module 106 is electrically connected with the main control module 101, and is used for receiving various information prompt signals sent by the main control module 101 and performing information prompt; the sound device adopts a buzzer to perform sound prompt, or performs vibration prompt or light source flicker prompt while sending the sound prompt; the vibration device adopts a mechanical vibration type alarm which is arranged inside a handle of the scooter to prompt vibration or send out vibration prompt and simultaneously prompt sound prompt or light source flicker prompt; the light-emitting device adopts a multicolor alternate flash lamp, and the flash lamp is arranged outside the handle of the scooter to prompt the flash, or send out the flash prompt and simultaneously prompt the sound or shake.

7. The control motor 107 comprises a rear wheel drive motor and a brake device, the control input end is electrically connected with the main control module 101, and the control output end is electrically connected with the brake device and used for changing the running speed of the scooter.

8. The power supply module 108 is electrically connected with the main control module 101, the speed detection module 102, the pressure monitoring module 104, the wireless communication module 105, the gyroscope 103, the control motor 107 and the information prompt module 106 respectively; the power module comprises an electric quantity monitoring module, and the electric quantity monitoring module is electrically connected with the information prompt module and used for low-electric quantity alarm prompt.

The utility model provides a scooter speed control system's control flow chart, as shown in figure 2.

1. Battery power monitoring 201 is used for monitoring the real-time electric quantity of scooter, ensures power battery's normal work.

2. The collected angular velocity data 202 is used to collect monitoring data of gyroscopes and accelerometers, which mainly include the rotational angular velocity and acceleration of the scooter during yaw, tilt.

3. The pressure monitoring data 203 is used for acquiring the weight of a scooter user and detecting whether the assistance of the scooter comes from children or other persons or is abnormal.

4. The external monitoring command 204 can distinguish the external remote control signals according to the external remote control signals received by the wireless communication module to obtain an emergency braking command.

5. The data processing and speed calculation 205 is used for acquiring the body inclination angle of the scooter in real time, determining the body posture state of the scooter according to the inclination angle and sending the body posture state to the main control module; meanwhile, acceleration data of the scooter is received, the speed value of the scooter is obtained in real time, and the speed value is sent to the main control module.

6. The emergency brake 206 is used for judging an external emergency brake command when the main control module obtains the command; if the emergency braking command is true, an emergency braking signal is sent; and if the emergency braking command is false, not sending the emergency braking signal, and returning to continue the external command monitoring.

7. The speed control 207 is used for judging a threshold value when the main control module receives the posture state and the speed value of the vehicle body sent by the speed detection module, and sending a speed control signal when the judgment result shows that the dangerous speed is reached; and when the main control module receives the data sent by the pressure monitoring module, the threshold value judgment is carried out, and when the weight of the user is judged to be larger than the threshold value or smaller than the threshold value and reaches the dangerous speed, a speed control signal is sent.

8. The deceleration control 208 is used for controlling the motor to start the driving motor and the brake device when receiving a speed control signal or an emergency braking command or a low electric quantity signal, so as to realize the speed control of the scooter.

9. The low power 209 is used for real-time power monitoring data received by the main control module, performs low power alarm and speed control when the power is lower than a set threshold, and returns to continue power monitoring when the power is greater than the set threshold.

10. The message prompt 209 is used to control the motor to activate one or more of a sound device, a vibration device, and a light device in the message prompt module when receiving a speed control signal or receiving an emergency braking command or a low power alarm signal.

11. In the present embodiment, by implementing differential output to the two motors, it is possible to implement turning while maintaining balance. Furthermore, a scooter speed control system based on gyroscope can carry out optimal control to the speed of scooter according to pressure monitoring and speed monitoring, ensure scooter safe driving and practice thrift scooter battery power, increase continuation of the journey mileage. Meanwhile, through remote control of the wireless communication module, the condition that the children exceed the visual field range or the safety range of a guardian in use can be prevented, misoperation of the children is realized, and the risk coefficient is reduced.

The utility model provides a scooter schematic diagram of scooter speed control system based on gyroscope, as shown in figure 3.

The scooter mainly includes information prompt structure 301, scooter's hand 302, scooter's hand brake 303, scooter's handle pole 304, install wireless communication structure 305 on the handle pole, install in the battery structure 306 of scooter running-board bottom, install in the pressure monitoring mechanism 307 of automobile body bottom running-board position.

1. The information prompt structure 301 is used for installing an information prompt module, so that a user can conveniently sense the current vehicle speed state and receive a danger early warning prompt.

2. The handle 302 of the scooter is used for controlling the direction of the scooter and for fixing the information prompt structure 301.

3. The hand brake 303 of scooter is used for controlling the speed of scooter, can carry out the speed of manual control scooter under the dangerous condition.

4. The handle bar 304 of the scooter is used for fixing the handle 302 of the scooter and fixing the wireless communication structure 308, and can provide a certain supporting force for the body of a user; electric brake switch and control line are installed to the handle bar, control line one end and brake switch electric connection, the other end and control motor electric connection for emergency braking.

5. Wireless communication structure 305 is used for installing wireless communication module, uses non-metallic material, and is located the non-metallic position that the scooter does not have the signal shielding effect.

6. Battery structure 306 is used for installing power module, power module includes electric quantity monitoring module, and electric quantity monitoring module and information prompt module electric connection for low-power warning suggestion.

7. Pressure monitoring mechanism 307 is used for installing the pressure monitoring module, and arranges in the automobile body bottom running-board in certain law, realizes the monitoring to the user's weight that the scooter bore.

8. The scooter also comprises a scooter body, a pedal, a front wheel 308 arranged at the front end of the scooter pedal and a rear wheel 309 arranged at the rear end of the scooter pedal;

9. the scooter comprises a scooter body, a speed detection module, a pressure monitoring module, a wireless communication module, a gyroscope, a control motor and an information prompt module, wherein the scooter body is internally provided with a plurality of circuit boards; the circuit boards are connected through wires, and the circuit boards are connected with the power supply module through power lines.

Claims

1. A gyroscope-based scooter speed control system, comprising: the device comprises a main control module, a speed detection module, a pressure monitoring module, a wireless communication module, a gyroscope, a control motor, an information prompt module and a power supply module; the main control module is respectively electrically connected with the speed detection module, the pressure monitoring module, the wireless communication module, the control motor and the information prompt module: the power supply module is respectively and electrically connected with the main control module, the speed detection module, the pressure monitoring module, the wireless communication module, the gyroscope, the control motor and the information prompt module; the gyroscope is electrically connected with the speed detection module; the information prompt module comprises one or more of a sound device, a vibration device and a light-emitting device.

2. The gyroscope-based scooter speed control system of claim 1, wherein the power module comprises a power monitoring module and a battery, the power monitoring module is electrically connected to the information prompt module for the battery low power alarm prompt.

3. The system of claim 1, wherein the wireless communication module is mounted on a non-metallic portion of the scooter that is not shielded from signals.

4. The gyroscope-based scooter speed control system of claim 1, wherein the control motor comprises a rear wheel drive motor and a brake.

5. The system of claim 1, wherein the pressure monitoring module is mounted on a foot pedal portion of the bottom of the scooter for monitoring the weight of the user supported by the scooter.

6. The gyroscope-based scooter speed control system of claim 1, wherein the scooter comprises: the scooter comprises a scooter body, a pedal, a front wheel arranged at the front end of the pedal, a rear wheel arranged at the rear end of the pedal, a handle rod standing on the pedal and a handle arranged on the handle rod.

7. The gyroscope-based scooter speed control system of claim 6, wherein the handlebar comprises a brake switch and a control wire, one end of the control wire is electrically connected to the brake switch, and the other end of the control wire is electrically connected to the control motor.