阅读说明：本技术 一种电动车声控智能系统的使用方法 (Use method of voice-controlled intelligent system of electric vehicle ) 是由 孙木楚 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种电动车声控智能系统的使用方法,涉及声控技术领域,该方法包括通过手机APP向声控模组录制预存声纹信息；唛模组采集声纹信息,声控模组将声纹信息与预存声纹信息进行认证匹配,若匹配成功则通过CAN总线唤醒中控模组,声纹信息作为有效声纹信息,并通过音响模组播报认证结果；声控模组对有效声纹信息进行解析,得到电动车控制指令并打包成数据包传递给中控模组；中控模组根据电动车控制指令控制相应的电动车组件完成指令动作,并通过音响模组播报执行指令结果；该方法通过声控方式对电动车进行管控,还可以对电动车车况进行自检查,同时系统还具有播放音乐及人机互动等功能,使电动自行车更加智能化和人性化。(The invention discloses a using method of an electric vehicle voice control intelligent system, and relates to the technical field of voice control, wherein the method comprises the steps of recording pre-stored voiceprint information to a voice control module through a mobile phone APP; the Mark module collects voiceprint information, the voice control module authenticates and matches the voiceprint information with prestored voiceprint information, if the matching is successful, the center control module is awakened through the CAN bus, the voiceprint information is used as effective voiceprint information, and an authentication result is broadcasted through the sound module; the sound control module analyzes the effective voiceprint information to obtain an electric vehicle control instruction, and the electric vehicle control instruction is packaged into a data packet and transmitted to the central control module; the central control module controls corresponding electric vehicle components to complete command actions according to the electric vehicle control commands, and broadcasts execution command results through the sound module; the method controls the electric bicycle in a voice control mode, can also automatically check the vehicle condition of the electric bicycle, and has the functions of playing music, man-machine interaction and the like, so that the electric bicycle is more intelligent and humanized.)

1. The using method of the electric vehicle sound control intelligent system is characterized in that the electric vehicle sound control intelligent system comprises a sound control module, a mark module, a sound module and a mobile phone APP, wherein the mark module, the sound module and the mobile phone APP are connected with the sound control module; the electric vehicle lock assembly comprises an electric door lock, a double-support lock, a cushion lock and a battery box lock, and the electric vehicle lamp comprises a headlamp and a steering lamp;

the using method comprises the following steps:

recording pre-stored voiceprint information to the voice control module through the mobile phone APP, wherein the pre-stored voiceprint information is related to the distance and the angle between a user and the mobile phone APP during recording;

the shipping mark module collects voiceprint information and transmits the voiceprint information to the voice control module;

the voice control module authenticates and matches the voiceprint information with prestored voiceprint information, if the voiceprint information is successfully matched, the central control module is awakened through a CAN (controller area network) bus, the voiceprint information is used as effective voiceprint information, and an authentication result is broadcasted through the sound module; if the matching fails, the authentication result is broadcasted through the sound module;

the voice control module analyzes the effective voiceprint information to obtain an electric vehicle control instruction, packages the electric vehicle control instruction into a data packet and transmits the data packet to the central control module;

and the central control module controls corresponding electric vehicle components to complete command actions according to the electric vehicle control commands, and broadcasts execution command results through the sound module.

2. The use method of claim 1, wherein the voice control module analyzes the valid voiceprint information to obtain an electric vehicle control command, packages the electric vehicle control command into a data packet, and transmits the data packet to the central control module, and the method comprises the following steps:

if the effective voiceprint information is a functional instruction related to power-on of the electric vehicle, including starting, starting and unlocking an electric door lock, analyzing to obtain an electric vehicle control instruction as a conductive electric door lock wire, performing format conversion on the conductive electric door lock wire, packaging the conductive electric door lock wire into a data packet, and transmitting the data packet to the central control module through a CAN bus;

well accuse module is according to the corresponding electric motor car subassembly of electric motor car control command control accomplishes the instruction action, and pass through the execution instruction result is reported to the stereo set module, includes:

the central control module controls the switch-on of the electric door lock and the electrification of the whole vehicle, and broadcasts the current state of the electric vehicle through the sound module.

3. The use method of claim 1, wherein the voice control module analyzes the valid voiceprint information to obtain an electric vehicle control command, packages the electric vehicle control command into a data packet, and transmits the data packet to the central control module, and the method comprises the following steps:

if the effective voiceprint information is other functional instructions after the electric vehicle is powered on, including fortification, theft prevention removal, electric door lock closing, double-support lock opening, cushion lock opening, battery box lock opening and lamp opening/closing, the electric vehicle control instruction obtained through analysis corresponds to unlocking the electric vehicle lock assembly, electric door lock closing or electric vehicle lamp opening/closing, format conversion is carried out, and the data packet is packaged into a data packet and transmitted to the central control module through a CAN bus;

well accuse module is according to the corresponding electric motor car subassembly of electric motor car control command control accomplishes the instruction action, and pass through the execution instruction result is reported to the stereo set module, includes:

the central control module controls the corresponding electric vehicle lock to unlock and reports that the corresponding electric vehicle lock is unlocked through the sound module; or controlling the corresponding electric vehicle lamp to be turned on or turned off, and broadcasting that the corresponding electric vehicle lamp is turned on or turned off through the sound module; or the electric door lock is controlled to be disconnected and the whole vehicle is powered off.

4. The use method of claim 1, wherein the electric vehicle assembly further comprises a battery management system, the electric vehicle voice-operated intelligent system further comprises a controller connected with the central control module, the central control module is used for monitoring the self-checking state of the electric vehicle assembly, and the controller is used for monitoring the self-checking state of a motor, a brake system and a throttle handle;

the acoustic control module is right effective voiceprint information is analyzed, obtains electric motor car control command and packs into the data packet and transmits for well accuse module includes:

if the effective voiceprint information is a functional instruction related to the vehicle condition of the electric vehicle and comprises inspection vehicle condition information, analyzing the obtained electric vehicle control instruction to acquire self-inspection state information of the electric vehicle for the central control module and/or the controller, carrying out format conversion on the self-inspection state information, packaging the self-inspection state information into a data packet, and transmitting the data packet to the central control module through a CAN bus;

well accuse module is according to the corresponding electric motor car subassembly of electric motor car control command control accomplishes the instruction action, and pass through the execution instruction result is reported to the stereo set module, includes:

the central control module controls the electric vehicle assembly to return self-checking state information and broadcasts the self-checking state information through the sound module, and/or the controller controls the motor, the brake system and the speed regulating handle to return the self-checking state information and broadcasts the self-checking state information through the sound module.

5. The use method according to claim 1, wherein the voice-controlled intelligent system for the electric vehicle further comprises a cloud server connected with the voice-controlled module, and the electric vehicle assembly further comprises a battery management system;

the acoustic control module is right effective voiceprint information is analyzed, obtains electric motor car control command and packs into the data packet and transmits for well accuse module includes:

if the effective voiceprint information is a functional instruction related to navigation, including a user going to a certain place and navigating to a certain place, the cloud server and the voice control module cooperate to provide corresponding navigation route, road condition and destination weather information as analyzed electric vehicle control instructions, format conversion is carried out on the instructions, the instructions are packaged into data packets, the data packets are transmitted to the central control module through the CAN bus, and the navigation route, road condition and destination weather information are broadcasted in real time through the sound module;

well accuse module is according to the corresponding electric motor car subassembly of electric motor car control command control accomplishes the instruction action, and pass through the execution instruction result is reported to the stereo set module, includes:

the central control module controls the battery management system to feed back current electric quantity information, calculates the electric quantity required by a destination, and broadcasts the current electric quantity information through the sound module and whether the destination can be reached according to the current electric quantity information.

6. The use method of claim 5, wherein the voice control module analyzes the valid voiceprint information to obtain an electric vehicle control command, packages the electric vehicle control command into a data packet, and transmits the data packet to the central control module, and the method comprises the following steps:

if the effective voiceprint information is an entertainment instruction related to music, including playing a music name and playing a song of a singer, the cloud server and the voice control module are matched to provide corresponding audio serving as an electric vehicle control instruction obtained through analysis, format conversion is carried out on the audio, the audio is packaged into a data packet, the data packet is transmitted to the central control module through the CAN bus, and the audio is played through the sound module.

7. The use method according to claim 5, wherein the electric vehicle voice-controlled intelligent system further comprises a meter connected with the central control module;

well accuse module is according to the corresponding electric motor car subassembly of electric motor car control command control accomplishes the instruction action, and through the execution instruction result is reported to the stereo set module, still includes:

and the central control module controls the instrument to display a navigation route and road conditions in real time.

8. The use method according to claim 6, wherein the voice-controlled intelligent system for the electric vehicle further comprises a meter connected with the central control module;

well accuse module is according to the corresponding electric motor car subassembly of electric motor car control command control accomplishes the instruction action, and pass through the execution instruction result is reported to the stereo set module, includes:

the central control module controls the instrument to display the currently played text information including the name of the song, the singer and the lyrics.

Technical Field

The invention relates to the technical field of voice control, in particular to a using method of a voice control intelligent system of an electric vehicle.

Background

Electric bicycle gives people the trip and brings very big facility as a common instrument of riding instead of walk, along with electric bicycle's development, it extends to more convenient, intelligent direction gradually. At present, electric bicycles on the market only have conventional functions of theft prevention, defense unlocking, electrification, NFC unlocking, mobile phone APP unlocking, PKE induction unlocking and the like, and lack more intelligent management and control.

Disclosure of Invention

The invention provides a using method of an electric vehicle voice control intelligent system aiming at the problems and the technical requirements, the method can enable the electric vehicle to be interconnected and have internet entertainment and navigation, and can control the theft prevention, the defense relief, the electrification, the self-checking and the obstacle elimination, the light and the like of the electric bicycle in a voice control mode, so that the vehicle using life of a vehicle owner becomes easier, simpler and more intelligent.

The technical scheme of the invention is as follows:

a use method of an electric vehicle voice control intelligent system comprises the following steps:

recording pre-stored voiceprint information to the voice control module through the mobile phone APP, wherein the pre-stored voiceprint information is related to the distance and the angle between a user and the mobile phone APP during recording;

the mark module collects voiceprint information and transmits the voiceprint information to the voice control module;

the voice control module authenticates and matches the voiceprint information with prestored voiceprint information, if the matching is successful, the central control module is awakened through the CAN bus, the voiceprint information is used as effective voiceprint information, and an authentication result is broadcasted through the sound module; if the matching fails, the authentication result is broadcasted through the sound module;

the sound control module analyzes the effective voiceprint information to obtain an electric vehicle control instruction, and the electric vehicle control instruction is packaged into a data packet and transmitted to the central control module;

the central control module controls corresponding electric vehicle components to complete command actions according to the electric vehicle control commands, and reports execution command results through the sound module.

Its further technical scheme does, and the acoustic control module is analyzed effective vocal print information, obtains electric motor car control command and packs into the data package and transmits for well accuse module, includes:

if the effective voiceprint information is a functional instruction related to power-on of the electric vehicle, including starting, starting and unlocking the electric door lock, analyzing the obtained electric vehicle control instruction to be a conducted electric door lock wire, carrying out format conversion on the conducted electric door lock wire, packaging the converted electric door lock wire into a data packet, and transmitting the data packet to the central control module through the CAN bus;

well accuse module accomplishes the instruction action according to the corresponding electric motor car subassembly of electric motor car control command control to report the execution instruction result through the stereo set module, include:

the central control module controls the switch-on of the electric door lock and the electrification of the whole electric vehicle, and broadcasts the current state of the electric vehicle through the sound module.

Its further technical scheme does, and the acoustic control module is analyzed effective vocal print information, obtains electric motor car control command and packs into the data package and transmits for well accuse module, includes:

if the effective voiceprint information is other functional instructions after the electric vehicle is powered on, including fortification, theft prevention removal, electric door lock closing, double-support lock opening, cushion lock opening, battery box lock opening and lamp opening/closing, the electric vehicle control instruction obtained through analysis corresponds to unlocking an electric vehicle lock assembly, closing the electric door lock or opening/closing the electric vehicle lamp, format conversion is carried out, and the data packet is packaged into a data packet and transmitted to the central control module through the CAN bus;

well accuse module accomplishes the instruction action according to the corresponding electric motor car subassembly of electric motor car control command control to report the execution instruction result through the stereo set module, include:

the central control module controls the corresponding electric vehicle lock to unlock and broadcasts that the corresponding electric vehicle lock is unlocked through the sound module; or controlling the corresponding electric vehicle lamp to be turned on or turned off, and broadcasting that the corresponding electric vehicle lamp is turned on or turned off through the sound module; or the electric door lock is controlled to be disconnected and the whole vehicle is powered off.

The voice-operated intelligent system of the electric vehicle further comprises a controller connected with the central control module, wherein the central control module is used for monitoring the self-checking state of an electric vehicle assembly, and the controller is used for monitoring the self-checking state of a motor, a brake system and a speed regulating handle;

the acoustic control module analyzes effective voiceprint information to obtain an electric vehicle control instruction, packages the electric vehicle control instruction into a data packet and transmits the data packet to the central control module, and the acoustic control module comprises:

if the effective voiceprint information is a functional instruction related to the vehicle condition of the electric vehicle and comprises inspection vehicle condition information, analyzing the obtained electric vehicle control instruction to acquire self-inspection state information of the electric vehicle for the central control module and/or the controller, carrying out format conversion on the self-inspection state information, packaging the self-inspection state information into a data packet, and transmitting the data packet to the central control module through the CAN bus;

well accuse module accomplishes the instruction action according to the corresponding electric motor car subassembly of electric motor car control command control to report the execution instruction result through the stereo set module, include:

the central control module controls the electric vehicle assembly to return self-checking state information and broadcasts the self-checking state information through the sound module, and/or the controller controls the motor, the brake system and the speed regulating handle to return the self-checking state information and broadcasts the self-checking state information through the sound module.

Its further technical scheme does, and the acoustic control module is analyzed effective vocal print information, obtains electric motor car control command and packs into the data package and transmits for well accuse module, includes:

if the effective voiceprint information is a functional instruction related to navigation, including a user going to a certain place and navigating to a certain place, the cloud server and the voice control module are matched to provide corresponding navigation route, road condition and destination weather information as analyzed electric vehicle control instructions, the instructions are subjected to format conversion and packaged into data packets, the data packets are transmitted to the central control module through the CAN bus, and the navigation route, the road condition and the destination weather information are broadcasted in real time through the sound module;

well accuse module accomplishes the instruction action according to the corresponding electric motor car subassembly of electric motor car control command control to report the execution instruction result through the stereo set module, include:

the central control module controls the battery management system to feed back current electric quantity information, calculates the electric quantity required by the destination, and broadcasts the current electric quantity information through the sound module and whether the destination can be reached according to the current electric quantity information.

Its further technical scheme does, and the acoustic control module is analyzed effective vocal print information, obtains electric motor car control command and packs into the data package and transmits for well accuse module, includes:

if the effective voiceprint information is entertainment instructions related to music, including playing music names and playing songs of a singer, the cloud server and the voice control module are matched to provide corresponding audio serving as an electric vehicle control instruction obtained through analysis, format conversion is carried out on the audio, the audio is packaged into a data packet, the data packet is transmitted to the central control module through the CAN bus, and the audio is played through the sound module.

Its further technical scheme does, and well accuse module accomplishes the instruction action according to the corresponding electric motor car subassembly of electric motor car control command control to report the execution command result through the stereo set module, still include:

the central control module controls the instrument to display the navigation route and the road condition in real time.

Its further technical scheme does, and well accuse module accomplishes the instruction action according to the corresponding electric motor car subassembly of electric motor car control command control to report the executive instruction result through the stereo set module, include:

the central control module controls the instrument to display the currently played text information including the name of the song, the singer and the lyrics.

The beneficial technical effects of the invention are as follows:

compared with the prior art, the electric motor car acoustic control intelligent system that this application provided more tends towards humanized and recreational design, can learn current weather information from the high in the clouds server through the method of acoustic control, information such as destination navigation route and road conditions, and demonstrate through instrument and sound module respectively, can also manage and control the break-make of the lock subassembly of electric motor car and lamps and lanterns through the method of acoustic control, can also carry out the self-checking to the electric motor car condition, improve the driving life-span of electric motor car, the system still has functions such as broadcast music and human-computer interaction simultaneously, make electric bicycle more intelligent and humanized.

Drawings

Fig. 1 is a schematic diagram of an electric vehicle voice-controlled intelligent system provided by the application.

Fig. 2 is a chip pin diagram of the voice control module provided in the present application.

Fig. 3 is a chip pin diagram of the central control module provided in the present application.

Fig. 4 is a circuit diagram of an audio module according to the present application.

Fig. 5 is a circuit diagram of a sampling circuit provided in the present application.

Fig. 6 is a chip pin diagram of two sets of multiplexing switches provided in the present application.

Fig. 7 is a circuit diagram of a steering sampling circuit provided in the present application.

Fig. 8 is a flow chart of a method of use provided herein.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings.

As shown in fig. 1, electric motor car acoustic control intelligent system includes the acoustic control module and links to each other with the acoustic control module mark module, the stereo set module, cell-phone APP and high in the clouds server, still include well accuse module and the electric motor car subassembly that links to each other with well accuse module, controller and instrument, the electric motor car subassembly includes electric motor car lock subassembly, electric motor car lamps and lanterns and battery management system, electric motor car lock subassembly includes the electric door lock, two locks that prop, cushion lock and battery box lock, electric motor car lamps and lanterns include headlight and indicator, the acoustic control module links to each other through the CAN bus (as dotted line shows in the picture) with well accuse module.

Optionally, the voice control module of the present application is implemented based on TG6101 chips, and a chip pin diagram of the voice control module is shown in fig. 2; the central control module is implemented based on an XMC1404-F064 chip, and a chip pin diagram of the central control module is shown in FIG. 3.

As shown in fig. 4, the audio module includes an audio power amplifier U1, a speaker, a plurality of resistors and a capacitor, wherein the audio power amplifier U1 is implemented based on the CS8122S model. A control end SD (pin 1) of the audio power amplifier U1 is connected with a PA _ EN pin of the sound control module through a first resistor R1, a positive phase audio input end 1NP (pin 3) of the audio power amplifier U1 is respectively connected with a third resistor R3 and a first end of a second capacitor C2 after sequentially passing through a second resistor R2 and a first capacitor C1, a negative phase audio input end 1NN (pin 4) of the audio power amplifier U1 is sequentially passed through a fourth resistor R4, the second end of third resistance R3 and second electric capacity C2 is connected respectively behind third electric capacity C3, the first end ground connection of second electric capacity C2, the acoustic control module is connected to the second end, audio power amplifier U1's normal phase audio output VOP (pin 5) passes through fifth resistance R5 and connects the positive terminal of loudspeaker, audio power amplifier U1's negative phase audio output VON (pin 8) passes through sixth resistance R6 and connects the negative terminal of loudspeaker, seventh resistance R7 and fourth electric capacity C4 have concatenated between normal phase audio output VOP (pin 5) and the negative phase audio output VON (pin 8).

Referring to fig. 5 and 6, the electric vehicle lock assembly and the electric vehicle lamp acquire self-test status information through sampling circuits, each sampling circuit has the same structure, and includes a diode D1, an inductor L1, an eighth resistor R8, a ninth resistor R9, and a fifth capacitor C5, a cathode of the diode D1 is used as an input end of the sampling circuit and connected to a sampling end of the electric vehicle lock assembly or the electric vehicle lamp, an anode is connected to a first end of the eighth resistor R8 through an inductor L1, a first end of the eighth resistor R8 is further grounded through a fifth capacitor C5, a first end of the eighth resistor R8 is further connected to a power supply +5V through a ninth resistor R9, a second end of the eighth resistor R8 is used as an output end of the sampling circuit and connected to an input end a0-a7 of a multiplexer U2/U3, a control end S0-S2 of the multiplexer is connected to an EMUX0 pin of the central control module through a common output end, the self-checking state information is fed back to the central control module through the common output end COM/A, and optionally, two groups of multi-way selection switches are adopted in the method and are realized based on the 74HC4051 model.

The electric vehicle voice-controlled intelligent system further comprises a steering sampling circuit connected with the central control module, as shown in fig. 7, the steering sampling circuit comprises a triode Q1, a sixth capacitor C6, a seventh capacitor C7 and a plurality of resistors, the base of the triode Q1 is connected with a steering signal ROT through a tenth resistor R10, the base is further connected with the first ends of an eleventh resistor R11 and a sixth capacitor C6 respectively, the second ends of the eleventh resistor R11 and the sixth capacitor C6 and the emitter of the triode Q1 are grounded, the collector of the triode Q1 is connected with a power supply +5V through a twelfth resistor R12, the collector is further grounded through a thirteenth resistor R13 and a seventh capacitor C7 in sequence, the connected common end of the thirteenth resistor R13 and the seventh capacitor C7 is connected with a ROTA pin of the central control module, and self-detection steering information is fed back to the central control module.

Based on the electric vehicle voice-controlled intelligent system, the application also discloses a using method of the electric vehicle voice-controlled intelligent system, and the flow chart is shown in fig. 8, and the method comprises the following steps:

step 1: record the voiceprint information of prestoring to the acoustic control module through cell-phone APP, prestore the voiceprint information and record the time user and cell-phone APP's distance and angle relevant.

Optionally, the mobile phone APP can also manage the current electric vehicle type and binds pre-stored voiceprint information with the electric vehicle type.

Step 2: mark module collection voiceprint information and transmit for the acoustic control module.

And step 3: the voice control module authenticates and matches the voiceprint information with prestored voiceprint information, if the matching is successful, the central control module is awakened through the CAN bus, the voiceprint information is used as effective voiceprint information, an authentication result is broadcasted through the sound module, and then the step 4 is carried out; if the matching fails, the authentication result is broadcasted through the sound module, then the sound control module enters a standby state until new voiceprint information is transmitted, and the step 2 is also entered.

And 4, step 4: the sound control module analyzes the effective voiceprint information to obtain an electric vehicle control instruction, and the electric vehicle control instruction is packaged into a data packet and transmitted to the central control module.

This step classifies effective voiceprint information as follows:

if the effective voiceprint information is a functional instruction related to power-on of the electric vehicle, including starting, starting and unlocking the electric door lock, the electric vehicle control instruction obtained through analysis is a switched-on electric door lock wire, format conversion is carried out on the switched-on electric door lock wire, and the switched-on electric door lock wire is packaged into a data packet which is transmitted to the central control module through the CAN bus.

If effective voiceprint information is other functional instructions after the electrombile is electrified, including fortification, theft prevention removal, electric door lock closing, double-support lock opening, cushion lock opening, battery box lock opening and lamp opening/closing, the analyzed electric vehicle control instruction correspondingly is to unlock an electric vehicle lock assembly, close the electric door lock or open/close the electric vehicle lamp, and format conversion is carried out and the data packet is packed to be transmitted to the central control module through the CAN bus.

And 3, if the effective voiceprint information is a functional instruction related to the vehicle condition of the electric vehicle, including vehicle condition checking information, analyzing the obtained electric vehicle control instruction to acquire self-checking state information of the electric vehicle component for the central control module, and/or acquiring the self-checking state information of the motor, the brake system and the speed regulating handle by the controller, converting the format of the self-checking state information, packaging the self-checking state information into a data packet, and transmitting the data packet to the central control module through a CAN bus.

If the effective voiceprint information is a functional instruction related to navigation, including a place to be visited and a place to be navigated, the cloud server and the voice control module are matched to provide corresponding navigation routes, road conditions and destination weather information as analyzed electric vehicle control instructions, format conversion is carried out on the instructions, the instructions are packaged into data packets, the data packets are transmitted to the central control module through the CAN bus, and the navigation routes, the road conditions and the destination weather information are broadcasted in real time through the sound module.

If effective voiceprint information is entertainment instructions related to music, including playing music names and playing songs of a singer, the cloud server and the voice control module are matched to provide corresponding audio serving as an electric vehicle control instruction obtained through analysis, format conversion is carried out on the audio, the audio is packaged into a data packet, the data packet is transmitted to the central control module through the CAN bus, and the audio is played through the voice module.

And 5: the central control module controls corresponding electric vehicle components to complete command actions according to the electric vehicle control commands, and reports execution command results through the sound module.

The step classifies the electric vehicle control instructions, and corresponds to the situation mentioned in the step 4, and the following situations are provided:

<1> the well accuse module control switch-on of electric door lock, whole car are gone up electrically to report the electric motor car current state through the stereo set module.

The central control module controls unlocking of the corresponding electric vehicle lock and reports that the corresponding electric vehicle lock is opened through the sound module; or controlling the corresponding electric vehicle lamp to be turned on or turned off, and broadcasting that the corresponding electric vehicle lamp is turned on or turned off through the sound module; or the electric door lock is controlled to be disconnected and the whole vehicle is powered off.

And 3, the central control module controls the electric vehicle assembly to return self-checking state information and broadcasts the self-checking state information through the sound module, and/or the controller controls the motor, the brake system and the speed regulating handle to return the self-checking state information and broadcasts the self-checking state information through the sound module.

And 4, the central control module controls the battery management system to feed back current electric quantity information, calculates the electric quantity required by the destination, broadcasts the current electric quantity information through the sound module, and whether the destination can be reached according to the current electric quantity information, and simultaneously, a control instrument of the central control module displays a navigation route and a road condition in real time.

<5> the center control module controls the meter to display the text information converted from the currently played audio, including the name of the song, the singer and the lyrics.

What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiment. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and concept of the present invention are to be considered as included within the scope of the present invention.