阅读说明：本技术 一种具有无线充电功能的平衡车 (Balance car with wireless function of charging ) 是由 臧传美 于 2019-12-05 设计创作，主要内容包括：本发明公开了一种具有无线充电功能的平衡车,包括车体、用于控制车体移动的控制板、与控制板电连接的用于给车体供电的电池组、与控制板电连接用于发给控制板信号使控制板控制车体移动到充电器上的位置模块、用于给电池组充电的无线充电系统；所述电池组包括电芯和电量检测模块,所述电池组还包括保护线路板,所述位置模块包括用于获取充电器位置的第一位置信号交互模块,所述控制板上电连有障碍检测模块。本发明能够实现自动的给平衡车进行无线充电,当电池组内的电量检测模块检测到电量低于预设阈值时主动将低电量信号传递给控制板。(The invention discloses a balance car with a wireless charging function, which comprises a car body, a control panel, a battery pack, a position module and a wireless charging system, wherein the control panel is used for controlling the car body to move; the battery pack comprises an electric core and an electric quantity detection module, the battery pack further comprises a protection circuit board, the position module comprises a first position signal interaction module used for acquiring the position of the charger, and the control board is electrically connected with an obstacle detection module. The invention can realize automatic wireless charging of the balance car, and actively transmits a low-power signal to the control panel when the power detection module in the battery pack detects that the power is lower than the preset threshold value.)

1. The utility model provides a balance car with wireless function of charging which characterized in that: comprises a vehicle body;

the control panel is used for controlling the vehicle body to move;

the battery pack is electrically connected with the control panel and used for supplying power to the vehicle body;

the position module is electrically connected with the control panel and used for sending signals to the control panel so that the control panel controls the vehicle body to move to the charger;

and the wireless charging system is used for charging the battery pack.

2. The balance car with wireless charging function of claim 1, wherein: the battery pack comprises a battery cell and an electric quantity detection module.

3. The balance car with wireless charging function of claim 2, wherein: the battery pack further includes a protection circuit board.

4. The balance car with wireless charging function of claim 1, wherein: the location module includes a first location signal interaction module for obtaining a location of the charger.

5. The balance car with the wireless charging function of claim 1, wherein: and the control panel is electrically connected with an obstacle detection module for detecting obstacle information on a travelling path.

6. The balance car with wireless charging function of claim 1, wherein: the automobile is characterized in that fixing plates are fixed on the left side and the right side of the automobile body respectively, sliding grooves which penetrate through the fixing plates from top to bottom are formed in the fixing plates, fixing blocks are fixed on the upper side faces of the fixing plates, driving motors are fixed on the upper side faces of the fixing blocks, driving screws which penetrate through the fixing blocks are fixed on rotating shafts of the driving motors, driving nuts are connected to the driving screws in a threaded mode, and water retaining plates are fixed on the driving nuts.

7. The balance car with wireless charging function of claim 6, wherein: and the vehicle body is provided with a control button for controlling the motor to rotate.

8. The balance car with wireless charging function of claim 1, wherein: the wireless charging system comprises a coil, a power supply and a power supply, wherein the coil is used for receiving an electromagnetic signal and converting the electromagnetic signal into an alternating voltage signal; the rectifier is used for converting the alternating voltage signal into a direct voltage signal; the voltage regulator is used for converting the voltage of the direct-current voltage signal output by the rectifier into battery charging voltage; the wireless charging controller is used for controlling the work of the rectifier and the voltage regulator, and the Bluetooth unit is used for interacting charging information with the charger.

9. The balance car with wireless charging function of claim 8, wherein: the both ends of coil with the rectifier input is connected, the control end of rectifier with wireless charge controller connects, the output of rectifier with voltage regulator connects, voltage regulator's control end with wireless charge controller connects, voltage regulator's output and battery connection, the bluetooth unit with wireless charge controller connects.

Technical Field

The invention belongs to the field of balance electric vehicles, and particularly relates to a balance car with a wireless charging function.

Background

With the progress of social economy, the range of activities of people is continuously expanded, and the quantity of private car reserves is also continuously increased. The continuous increase of the number of private cars causes serious congestion on urban roads, and brings much inconvenience to the public; meanwhile, the exhaust gas discharged from automobiles also causes serious pollution to the environment. Therefore, in a certain activity area, people urgently need an environment-friendly and convenient vehicle, the electric balance car is suitable for transportation, the manual operation of a driver can be realized, meanwhile, the somatosensory driving automatic driving mode is increased, and the driving pleasure is increased.

At present, the balance car is charged in an artificial plug-in type manner, the use is complex, if a user forgets to charge, the balance car is low in electric quantity and cannot go out, the intelligent wireless charging system can automatically charge, a wireless charging mode is adopted, manual operation is not needed, and the use convenience and the intelligence of the balance car are improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a balance car with a wireless charging function.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a balance car with wireless function of charging which characterized in that: comprises a vehicle body; the control panel is used for controlling the vehicle body to move; the battery pack is electrically connected with the control panel and used for supplying power to the vehicle body; the position module is electrically connected with the control panel and used for sending signals to the control panel so that the control panel controls the vehicle body to move to the charger; and the wireless charging system is used for charging the battery pack.

Further, the battery pack comprises a battery cell and a power detection module.

Further, the battery pack further comprises a protection circuit board.

Further, the location module includes a first location signal interaction module for obtaining a location of the charger.

Furthermore, the control panel is electrically connected with an obstacle detection module.

Furthermore, fixed plates are fixed on the left side and the right side of the vehicle body, sliding grooves penetrating the fixed plates vertically are formed in the fixed plates, fixed blocks are fixed on the upper side faces of the fixed plates, driving motors are fixed on the upper side faces of the fixed blocks, driving screws penetrating through the fixed blocks are fixed on rotating shafts of the driving motors, driving nuts are connected to the driving screws in a threaded mode, and water retaining plates are fixed on the driving nuts.

Furthermore, a control button for controlling the rotation of the motor is arranged on the vehicle body.

Further, the wireless charging system comprises a coil for receiving an electromagnetic signal and converting the electromagnetic signal into an alternating voltage signal; the rectifier is used for converting the alternating voltage signal into a direct voltage signal; the voltage regulator is used for converting the voltage of the direct-current voltage signal output by the rectifier into battery charging voltage; the wireless charging controller is used for controlling the work of the rectifier and the voltage regulator, and the Bluetooth unit is used for interacting charging information with the charger.

Furthermore, the two ends of the coil are connected with the input end of the rectifier, the control end of the rectifier is connected with the wireless charging controller, the output end of the rectifier is connected with the voltage regulator, the control end of the voltage regulator is connected with the wireless charging controller, the output end of the voltage regulator is connected with the battery, and the Bluetooth unit is connected with the wireless charging controller.

In conclusion, the invention has the beneficial effects that: when the electric quantity detection module in the battery pack detects that the electric quantity is lower than a preset threshold value, a low electric quantity signal is actively transmitted to the control panel, the control panel actively starts the first position information interaction module when receiving the low electric quantity signal, the first position information interaction module wakes up the second position information interaction module, after the wake-up is successful, the two modules transmit the position information to the control panel, and the control panel plans a driving track after calculation and controls a driving part (wheel) of the balance car to actively drive to a charger position to automatically complete charging.

Drawings

FIG. 1 is a schematic diagram of a control system of the present invention.

Fig. 2 is a block diagram of the transmitting device and the receiving device according to the present invention.

Fig. 3 is a circuit diagram of a transmitting device and a receiving device according to the present invention.

Fig. 4 is a schematic perspective view of a transmitting device and a receiving device according to the present invention.

Fig. 5 is a top view of fig. 4.

Fig. 6 is a cross-sectional view at a-a in fig. 5.

Reference numeral 1, a water baffle; 2. a fixed block; 3. a drive motor; 4. a fixing plate; 5. a wheel; 6. a control button; 7. a vehicle body; 8. a transmitting device; 9. a chute; 10. a drive screw; 11. the nut is driven.

Detailed Description

An embodiment of a balance car with a wireless charging function according to the present invention will be further described with reference to fig. 1 to 6.

A balance car with a wireless charging function comprises a car body, wherein the car body comprises a car body 7, a traveling part (wheels 5) and a control part (a hand-held and leg-controlled rod); the control panel is used for controlling the wheels 5 on the vehicle body to move; the battery pack is electrically connected with the control panel and used for supplying power to the vehicle body, the battery pack comprises a battery cell, an electric quantity detection module and a protection circuit board, the protection circuit board has the functions of battery cell equalization, battery cell voltage detection, safety detection, fault processing and the like, and the electric quantity detection module is used for calculating parameters such as SOC (system on chip) representing the electric quantity and transmitting the parameters to the control panel (main control unit); the position module is electrically connected with the control panel and used for sending signals to the control panel so that the control panel controls the vehicle body to move to the charger; the wireless charging system is used for charging the battery pack;

the location module includes a first location signal interaction module for obtaining a location of the charger.

The control panel is electrified to be connected with an obstacle detection module, and the obstacle detection module comprises obstacle detection sensors, such as ultrasonic obstacle detection sensors, infrared obstacle detection sensors and the like, and is used for detecting obstacles around the balance car in the traveling process, transmitting obstacle signals to the control panel, and planning a traveling path in real time according to the conditions of the obstacles around the control panel.

The charger is matched with the balance car for use and at least comprises a second position information interaction module and the like, the wireless charging system comprises a transmitting device and a receiving device, the transmitting device is arranged on the ground, the receiving device is arranged on a lower shell of the double-wheel balance car and is electrically connected with the battery pack, the transmitting device is arranged on the ground, and a shielding object can be arranged on the transmitting device or not; when the battery needs to be charged, the receiving device at the bottom end of the pedal is wirelessly connected with the transmitting device arranged on the ground, and the battery can be charged, wherein the battery can be realized by adopting a lithium battery pack.

When the electric quantity detection module in the battery pack detects that the electric quantity is lower than a preset threshold value, a low electric quantity signal is actively transmitted to the control panel, the control panel actively starts the first position information interaction module when receiving the low electric quantity signal, the first position information interaction module wakes up the second position information interaction module, after the wake-up is successful, the two modules transmit the position information to the control panel, and the control panel plans a driving track after calculation and controls a driving part (wheel) of the balance car to actively drive to a charger position to automatically complete charging.

The determination of the position information in the position module can be realized by a positioning system such as a GPS, the current position information of the balance car and the current position information of the charger, which are obtained by the GPS, are transmitted to the controller through the first position information interaction module, and the first position information interaction module and the second position information interaction module can be wireless transceiving devices or wireless transceiving devices with a positioning function. The second position information interaction module can directly send the charger position information to the balance car controller, and also can send the charger position information to the first position information interaction module, and the first position information interaction module sends the charger position information to the balance car controller.

The wireless charging system of the balance car comprises a coil 2, a rectifier, a voltage regulator, a wireless charging controller and a Bluetooth unit 2, wherein the coil 2 receives an electromagnetic signal and converts the electromagnetic signal into an alternating current signal, the rectifier is used for converting the alternating current voltage signal received by the coil 2 into a direct current voltage signal, the voltage regulator converts the direct current voltage signal output by the rectifier into charging voltage corresponding to a battery, and the wireless charging controller controls the normal work of the voltage regulator and the rectifier and related parameter adjustment. And the Bluetooth unit 2 is used for communicating with the charger to complete information interaction in the charging process. The wireless charging system of the balance car is a receiving device, i.e. the magnetic energy-to-electric energy conversion module in fig. 1.

The wireless charging controller and the balance car controller can be the same controller or can be an independent controller, and the wireless charging controller and the balance car controller are communicated with each other. The bluetooth unit 2 may also be other wireless communication units, such as WI-FI, Zig-be, etc., and in one embodiment, the bluetooth unit 2 may be used to perform the function of receiving the charger position information.

Two ends of the coil 2 are connected with the input end of the rectifier, the control end of the rectifier is connected with the wireless charging controller, the output end of the rectifier is connected with the voltage regulator, the control end of the voltage regulator is connected with the wireless charging controller, and the output end of the voltage regulator is connected with the battery. The Bluetooth unit 2 is connected with the wireless charging controller.

As shown in fig. 3, a coil T2 is connected in series with a resistor R2 and a capacitor C3, a rectifier is composed of diodes D6, D7, D8, D9, and a capacitor C4, D6 is connected in series with D7, D8 is connected in series with D9, the resistor R2 is connected between coils T2 and D6, D7, and the capacitor C3 is connected between coils T2 and D8, D9. The voltage regulation unit is composed of an inductor L2, a diode D10, a capacitor C6 and a MOS transistor S6. The first end of L2 is connected with the rectifier, the second end of L2 is connected with the first end of D10 and the first end of S6, the second end of S6 is connected with the second end of C6, the second end of D10 is connected with the first end of C6, and the battery is connected with C6 in parallel. The wireless charging controller is composed of a wireless charging control chip, the Bluetooth unit 2 is composed of a Bluetooth chip 2, the wireless charging chip controls the opening and closing of the S6, and whether a fault occurs in the circuit is detected.

The charger system comprises a coil 1, a driver, an AC/DC converter, a charger controller and a Bluetooth unit 1, wherein the AC/DC converter is used for converting 220V alternating current voltage into direct current voltage, the driver converts the direct current voltage into a high-frequency voltage signal required by the coil 1, and the coil 1 is converted into an electromagnetic signal according to the high-frequency voltage signal and is transmitted. The Bluetooth unit 1 is communicated with the Bluetooth unit 2 in the balance car wireless charging system to complete information interaction in the charging process. The charger system is a transmitting device, i.e. the electric energy-to-magnetic energy conversion module in fig. 1.

Two ends of the coil 1 are connected with the output end of a driver, the control end of the driver is connected with a charger controller, the input end of the driver is connected with an AC/DC converter, the control end of the AC/DC converter is connected with the charger controller, and the input end of the AC/DC is connected with a 220V household alternating current power supply. The bluetooth unit 1 is connected to a charger controller, and in one example the bluetooth unit 1 may send charger location information to the bluetooth unit 2.

As shown in fig. 3, a coil T1 is connected in series with a resistor R1 and a capacitor C2, the driver is composed of MOS transistors S2, S3, S4, S5 and a diode D5, S2 is connected in series with S3, S4 is connected in series with S5, the resistor R1 is connected between coils T2 and S2, S3, the capacitor C2 is connected between coils T1 and S4, S5, and the diode D5 is connected with S2. The AC/DC converter includes a transformer T1, diodes D1, D2, D3, D4, a capacitor C1, an inductor L1, and a MOS transistor S1. The first end of L1 is connected with the driver, the second end of L1 is connected with the first end of D3 and the first end of C1, the first end of S1 is connected with the first end of L1, the first end of C1 is connected with the second end of L1, the second end of C1 is connected with the second end of S1, D1 is connected with D2 in series, D3 is connected with D4 in series, the TI first end is connected with D1, the second end of T1 is connected with D4, and the TI third end, the fourth end and the third end are connected with 220V alternating current power supply. The charger controller is composed of a charger control chip, the Bluetooth unit 1 is composed of a Bluetooth chip 1, and the charger control chip controls the opening and closing of S1, S2, S3, S4 and S5 and detects whether a fault occurs in the circuit.

The wireless charging system utilizes the electromagnetic induction principle, and the charger produces electromagnetic signal, and the wireless charging system of balance car accepts electromagnetic signal to convert electromagnetic signal into voltage signal and deliver for the battery, realize wireless charging process.

When the balance car actively runs to the charger position according to the running track planned by the control panel, the Bluetooth unit of the wireless charging system of the balance car and the Bluetooth unit of the charger system carry out information interaction, the interactive contents comprise information such as model matching, battery capacity and charging request current, the wireless charging process is carried out after the completion of the confirmation, the Bluetooth units also carry out real-time communication in the process, and the normal running of wireless charging is ensured until the charging is completed.

After charging, the balance car can send out a prompt or close the whole system to prevent the loss of electric quantity.

The left side and the right side of a balance car body are both fixed with a fixed plate 4, the fixed plate 4 is provided with a chute 9 which penetrates the fixed plate 4 up and down, the upper side of the fixed plate 4 is fixed with a fixed block 2, the upper side of the fixed block 2 is fixed with a driving motor 3, a rotating shaft of the driving motor 3 is fixed with a driving screw rod 10 which penetrates the fixed block 2, the driving screw rod 10 is in threaded connection with a driving nut 11, the driving nut 11 is fixed with a water baffle plate 1, a pedal of the car body is provided with a control button 6 for controlling the motor to rotate, when the car is outgoing and sprinkled water on the road, the control button 6 is pressed by a moving foot, so that the driving motor 3 is driven to rotate by the control plate, the water baffle plate 1 is lifted to block the water sprinkled by the car, when the foot leaves the control button 6, the driving plate drives the driving motor 3 to rotate reversely to, the driving plate drives the driving motor 3 to continue to rotate reversely, so that the lower side face of the water baffle plate 1 is contacted with the ground, and the balance car is stably placed on the ground.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.