CN218519785U - Front and back end intelligent control device based on electric vehicle - Google Patents

Front and back end intelligent control device based on electric vehicle Download PDF

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CN218519785U
CN218519785U CN202222681419.0U CN202222681419U CN218519785U CN 218519785 U CN218519785 U CN 218519785U CN 202222681419 U CN202222681419 U CN 202222681419U CN 218519785 U CN218519785 U CN 218519785U
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control
resistor
interface
control chip
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王泽慧
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Abstract

The utility model relates to the technical field of electric vehicle control, in particular to a front-end and rear-end intelligent control device based on an electric vehicle, which comprises a front-end control chip (U3) and a rear-end control chip (U6), wherein the front-end control chip (U3) is respectively connected with a front-end control box, an instrument display module, a signal detection module and a front-end equipment control module; the rear-end control chip (U6) is respectively connected with a rear-end control box, a controller module and a rear-end equipment control module; the front-end control box is provided with a front-end communication interface, the rear-end control box is provided with a rear-end communication interface, and the front-end communication interface is connected with the rear-end communication interface through a communication line; the device also comprises a power supply module. This device is simple structure not only, only can realize the high-speed joint through pegging graft with the equipment of electric motor car front and back end with this device, can effectively increase the assembly efficiency of vehicle, also makes things convenient for the maintenance of later stage vehicle simultaneously, need not whole car dismantlement maintenance.

Description

Front and back end intelligent control device based on electric vehicle
Technical Field
The utility model relates to an electric motor car control technical field especially relates to a front and back end intelligent control device based on electric motor car.
Background
Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed.
Along with the popularization of electric vehicles, the electric vehicles become important energy-saving vehicles for people to travel in short distance, in order to drive safely, the electric vehicles are provided with equipment such as lamps, horns, brakes, flashers, motors, instruments and the like, all the parts are connected with a controller in a centralized mode at present, the wiring control mode has the problems of multiple wiring harnesses for connection and complex assembly, and particularly, a large number of exposed electric wires exist when the equipment at the front end and the rear end of the electric vehicle are connected, so that the assembly of the electric vehicle before leaving a factory is inconvenient, and the assembly efficiency is influenced; and when the vehicle breaks down, need dismantle the maintenance with whole car.
Therefore, a new technology is urgently needed to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's problem, provide a front and back end intelligent control device based on electric motor car, it is troublesome effectively to solve electric vehicle front and back end equipment wiring, overhauls the problem that needs whole car to dismantle.
The above purpose is realized by the following technical scheme:
a front-end and rear-end intelligent control device based on an electric vehicle comprises a front-end control chip and a rear-end control chip, wherein the front-end control chip is respectively connected with a front-end control box, an instrument display module, a signal detection module and a front-end equipment control module; the rear-end control chip is connected with a rear-end control box, a controller module and a rear-end equipment control module respectively; the front-end control box is provided with a front-end communication interface, the rear-end control box is provided with a rear-end communication interface, and the front-end communication interface is connected with the rear-end communication interface through a communication line; the instrument display module is connected with the controller module, and the front end control box, the rear end control box, the instrument display module and the controller module are connected with the power supply module respectively to provide working voltage.
Furthermore, a front-end one-line communication signal output module and a rear-end control protocol signal input module are arranged between the front-end communication interface and the front-end control chip; correspondingly, a back-end one-line communication signal output module and a front-end control protocol signal input module are arranged between the back-end communication interface and the back-end control chip.
Further, the front-end control chip U3 and the back-end control chip U6 are both MCU such as a glow wire FT61F145-TRB chip.
Further, the front-end one-line signal output module includes a seventeenth resistor R17 and a third diode D3 connected in series, the other end of the seventeenth resistor R17 is connected to an eighteenth pin PA2 of the front-end control chip U3, and a cathode of the third diode D3 is connected to the front-end communication interface; the rear-end control protocol signal input module comprises a first triode Q1, a twenty-second resistor R22 is connected to an integrated electrode of the first triode Q1, a twenty-third resistor R23 is connected to a base electrode of the first triode Q1, the other end of the twenty-third resistor R23 is connected with the front-end communication interface, a twenty-sixth resistor R26 and a sixth capacitor C6 are respectively connected to two ends of the twenty-third resistor R23, and the two ends of the twenty-third resistor R23 are grounded with an emitting electrode of the first triode Q1; the other end of the twenty-second resistor R22 is connected to a nineteenth pin PA3 of the front-end control chip U3.
Further, the back-end one-line signal output module includes a ninety-five resistor R95 and a sixteenth diode D16 connected in series, the other end of the ninety-five resistor R95 is connected to the tenth pin PB5 of the back-end control chip U6, and the cathode of the sixteenth diode D16 is connected to the back-end communication interface; the front-end control protocol signal input module comprises a nineteenth triode Q19, an eighty-two resistor R82 is connected to an integrated electrode of the nineteenth triode Q19, an eighty-four resistor R84 is connected to a base electrode of the nineteenth triode Q19, the other end of the eighty-four resistor R84 is connected with the rear-end communication interface, and an eighty-nine resistor R89 and a seventeenth capacitor C17 are respectively connected to two ends of the eighty-four resistor R84 and grounded with an emitting electrode of the nineteenth triode Q19; the other end of the eighty-second resistor R82 is connected to an eighth pin PB6 of the rear-end control chip U6.
Further, rear end equipment control module includes that rear end turn left lamp control module, rear end turn right lamp control module, rear end show light-broadening control module and rearmounted brake light control module, rear end turn left lamp control module rear end turn right lamp control module the rear end show light-broadening control module with rearmounted brake light control module set up respectively in between rear end control chip U6 and the back tail lamp interface H15, can realize with the control of tail lamp interface connection's tail lamp.
The electric door signal detection device further comprises a voltage selection first input module, a function selection standby line module, a controller first line communication signal input module, a P-gear signal output module, a speed change signal output module, a handle turning signal output module, an electric door signal detection module and a front end door buffering and output module, wherein the voltage selection first input module, the function selection standby line module, the controller first line communication signal input module, the P-gear signal output module, the speed change signal output module, the handle turning signal output module, the electric door signal detection module and the front end door buffering and output module are respectively arranged between the rear end control chip U6 and a controller interface H17 of the controller module.
Further, the controller interface H17 is of the type HC-5557-2 × 5aw.
Furthermore, the front end control chip U3 or the rear end control chip U6 is also connected with an anti-theft control module.
Further, the signal detection module can be right the state of front end equipment control module carries out signal detection, signal detection module includes far-reaching light signal detection module, brake signal detection module, turns left signal detection module, turns right signal detection module, marker light signal detection module, variable speed signal detection module, P shelves signal detection module, changes signal detection module and electric door signal detection module, front end equipment control module includes flash of light control circuit module, indisputable loudspeaker interface module H2, left brake handle interface module H3, right brake handle interface module H4, preceding left indicator light interface module H5, preceding right indicator light interface module H6, headlamp interface module H7, left switch interface module H8, P shelves interface module H9, right switch interface module H10, electric door lock interface module H12 and front end door buffering and output module.
Further, a front-end control chip U3 and an instrument interface H11 of the instrument display module are respectively connected with a one-line signal output module and a voltage selection signal module, and the one-line signal output module is used for forwarding a one-line signal of a rear-end controller to the instrument display module for use; the voltage selection signal module is used for outputting a rear end voltage selection signal to the instrument display module.
Advantageous effects
The utility model provides a pair of front and back end intelligent control device based on electric motor car, front end control chip and front end control box are set up through the front end at the electric motor car, rear end control chip and rear end control box are set up to the rear end at the electric motor car, front end control chip is used for the connection of each equipment of front end, rear end control chip is used for the connection of each equipment of rear end, only need pass through a line connection with the interface of front end control box and rear end control box, can realize the high-speed joint to each equipment of electric vehicle's front and back end, this device is simple structure not only, only can realize the high-speed joint through pegging graft with the equipment of electric motor car front and back end with this device, can effectively increase the assembly efficiency of vehicle, also make things convenient for the maintenance of later stage vehicle simultaneously, need not whole car dismantlement maintenance.
Drawings
Fig. 1 is a schematic diagram of a module frame of an intelligent control device based on a front end and a rear end of an electric vehicle according to the present invention;
fig. 2 is a schematic structural diagram of a front-end and rear-end intelligent control device based on an electric vehicle according to the present invention;
fig. 3 is a schematic structural diagram of a front end circuit of a front-end and rear-end intelligent control device based on an electric vehicle according to the present invention;
fig. 4 is a rear end circuit schematic diagram of a front-end and rear-end intelligent control device based on an electric vehicle.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 1, a front-end and rear-end intelligent control device based on an electric vehicle comprises a front-end control chip U3 and a rear-end control chip U6, wherein the front-end control chip U3 is respectively connected with a front-end control box, an instrument display module, a signal detection module and a front-end equipment control module; the rear-end control chip is connected with a rear-end control box, a controller module and a rear-end equipment control module respectively; the front-end control box is provided with a front-end communication interface, the rear-end control box is provided with a rear-end communication interface, and the front-end communication interface is connected with the rear-end communication interface through a communication line (such as one-line communication, and communication by other communication protocols such as a serial port and the like is also possible); the instrument display module is connected with the controller module, and the power supply module is connected with a voltage conversion module which is respectively connected with the front end control box, the rear end control box, the instrument display module and the controller module to provide working voltage.
Specifically, in this embodiment, the front-end control chip U3, the front-end control box, the instrument display module, the signal detection module, and the front-end device control module are all disposed at the front end of the electric vehicle, and are disposed through a circuit board (as shown in fig. 3), and an interface for plugging with front-end hardware devices is reserved; the rear end control chip, the rear end control box, the controller module and the rear end equipment control module are all arranged at the rear end of the electric vehicle, and are connected through a circuit board (as shown in figure 4), namely, the front end communication interface is connected with the rear end communication interface through a communication line, so that the system connection of the front end and the rear end is realized.
In the device, the front-end control chip U3 and the rear-end control chip U6 both adopt MCU chips, such as a glow wire FT61F145-TRB chip.
As a structural form of the front-end communication interface and the back-end communication interface in this embodiment, a front-end one-line communication signal output module and a back-end control protocol signal input module are arranged between the front-end communication interface H1 and the front-end control chip U3; correspondingly, a back-end one-line communication signal output module and a front-end control protocol signal input module are arranged between the back-end communication interface H18 and the back-end control chip U6.
In this embodiment, the front-end one-line communication signal output module includes a seventeenth resistor R17 and a third diode D3 connected in series, the other end of the seventeenth resistor R17 is connected to an eighteenth pin PA2 of the front-end control chip U3, and a cathode of the third diode D3 is connected to the front-end communication interface; the rear-end control protocol signal input module comprises a first triode Q1, a twenty-second resistor R22 is connected to an integrated electrode of the first triode Q1, a twenty-third resistor R23 is connected to a base electrode of the first triode Q1, the other end of the twenty-third resistor R23 is connected with the front-end communication interface, a twenty-sixth resistor R26 and a sixth capacitor C6 are connected to two ends of the twenty-third resistor R23 respectively, and the two ends of the twenty-third resistor R23 are grounded with an emitting electrode of the first triode Q1; the other end of the twenty-second resistor R22 is connected to a nineteenth pin PA3 of the front-end control chip U3.
In addition, the back-end one-line signal output module includes a ninety-fifth resistor R95 and a sixteenth diode D16 connected in series, the other end of the ninety-fifth resistor R95 is connected to the tenth pin PB5 of the back-end control chip U6, and the cathode of the sixteenth diode D16 is connected to the back-end communication interface; the front-end control protocol signal input module comprises a nineteenth triode Q19, an eighty-two resistor R82 is connected to an integrated electrode of the nineteenth triode Q19, an eighty-four resistor R84 is connected to a base electrode of the nineteenth triode Q19, the other end of the eighty-four resistor R84 is connected with the rear-end communication interface, and an eighty-nine resistor R89 and a seventeenth capacitor C17 are respectively connected to two ends of the eighty-four resistor R84 and grounded with an emitting electrode of the eighty-nine triode Q19; the other end of the eighty-second resistor R82 is connected to an eighth pin PB6 of the rear-end control chip U6.
As shown in fig. 2, as the optimization of the rear-end device control module in this embodiment, the rear-end device control module includes a rear-end left-turn lamp control module, a rear-end right-turn lamp control module, a rear-end display light-widening lamp control module and a rear-mounted brake lamp control module, the rear-end left-turn lamp control module, the rear-end right-turn lamp control module, the rear-end display light-widening lamp control module and the rear-mounted brake lamp control module are respectively arranged between the rear-end control chip U6 and the rear tail lamp interface H15, and the control of the tail lamp connected to the tail lamp interface can be realized.
The rear-end left-turn lamp control module is used for controlling the rear-end left-turn lamp to flicker during left-turn;
the rear-end right-turn lamp control module is used for controlling the rear-end right-turn lamp to flicker during right turn;
the rear end outline marker lamp control module is used for controlling the rear end outline marker lamp;
the rear brake lamp control module is used for controlling the brake lamp during braking.
In addition, the controller further comprises a voltage selection first input module, a function selection standby line module, a controller first line communication signal input module, a P-gear signal output module, a speed change signal output module, a twist grip signal output module, an electric gate signal detection module and a front end electric gate buffering and output module, wherein the voltage selection first input module, the function selection standby line module, the controller first line communication signal input module, the P-gear signal output module, the speed change signal output module, the twist grip signal output module, the electric gate signal detection module and the front end electric gate buffering and output module are respectively arranged between the rear end control chip U6 and a controller interface H17 of the controller module.
The voltage selection first input module is used for battery voltage switching selection;
the function selection standby line module is used for function selection standby;
the controller one-line communication signal input module is used for receiving one-line communication protocol signal input of the front-end integrated box;
the P gear signal output module is used for outputting a P gear signal to the controller;
the speed change signal output module is used for outputting a speed change signal to the controller;
the handle transferring signal output module is used for the main control chip to output PWM signals, obtaining DAC output voltage through resistance-capacitance filtering and outputting the received handle transferring signals to the controller;
the electric door signal detection module is used for detecting the opening and closing of an electric door lock;
the front-end gate buffer and output module is used for controlling the opening and closing of the electric gate signal, the electric gate buffer circuit is firstly switched on in a short period of time before the electric gate is opened, and then the electric gate is opened, so that the current impact on the MOS tube is reduced.
In this embodiment, the controller interface H17 is HC-5557-2 × 5aw.
The signal detection module in the device can detect the state of the front-end equipment control module, and comprises a high beam signal detection module, a brake signal detection module, a left turn signal detection module, a right turn signal detection module, an outline marker light signal detection module, a variable speed signal detection module, a P gear signal detection module, a handle signal detection module and an electric door signal detection module;
the high beam signal detection module is used for detecting whether a high beam button is pressed down or not and inputting a signal to the front end main control chip;
the brake signal detection module is used for detecting whether a brake crank is pressed down or not and inputting a signal to the front-end main control chip;
the left turn signal detection module is used for detecting whether a left turn button is pressed down or not and inputting a signal to the front end main control chip;
the right turn signal detection module is used for detecting whether a right turn button is pressed or not and inputting a signal to the front end main control chip;
the outline marker lamp signal detection module is used for detecting whether an outline marker lamp button is pressed down or not and inputting a signal to the front-end main control chip;
the speed change signal detection module is used for detecting whether a speed change button is pressed down or not and inputting a signal to the front-end main control chip;
the P-gear signal detection module is used for detecting whether a P-gear button is pressed down and inputting a signal to the front-end main control chip;
the handle signal detection module is used for detecting a handle signal, acquiring a voltage change value of the handle through resistance voltage division, and inputting the voltage value to the front-end main control chip;
the electric door signal detection module is used for detecting whether the mechanical electric door lock is opened or closed and inputting signals to the front-end main control chip.
As shown in fig. 2 and 3, in this embodiment, the front-end device control module includes a flash control circuit module, an iron horn interface module H2, a left brake lever interface module H3, a right brake lever interface module H4, a front left turn signal lamp interface module H5, a front right turn signal lamp interface module H6, a headlamp interface module H7, a left switch interface module H8, a P-gear interface module H9, a right switch interface module H10, an electric door lock interface module H12, and a front-end door buffer and output module.
The flash control circuit module is used for controlling the flash device to be turned on and turned off through the main control chip;
the iron horn interface module H2 is used for connecting a front-end iron horn;
the left brake lever interface module H3 is used for connecting a left brake lever;
the right brake lever interface module H4 is used for connecting a right brake lever;
the front left steering lamp interface module H5 is used for connecting a front left steering lamp;
the front right steering lamp interface module H6 is used for connecting a front right steering lamp;
the headlamp interface module H7 is used for connecting a headlamp;
the left switch interface module H8 is used for connecting a left switch;
the P gear interface module H9 is used for connecting a P gear button;
the right switch interface module H10 is used for connecting a right switch;
the electric door lock interface module H12 is used for connecting a mechanical electric door lock;
the front-end gate buffer and output module is used for controlling the opening and closing of the electric gate signal, the electric gate buffer circuit is firstly switched on in the short time before the electric gate is opened, and then the electric gate is opened, so that the current impact on the MOS tube is reduced.
In this embodiment, the front end control chip U3 or the rear end control chip U6 is further connected with an anti-theft control module, and the installation form of the anti-theft control module is as follows:
1. all the devices are arranged at the rear part and are responsible for collecting signals of wheel movement, overspeed prompt tones, electric door locks and the like, RF high-frequency decoding is carried out, and the functions of locking a motor, electrically starting, alarming and the like are realized; the function is the function of a common burglar alarm; the back end is only responsible for reserving the interface.
2. The front end is responsible for RF high-frequency decoding, electric door lock control, alarming and other functions; the rear end is responsible for collecting the wheel movement, the overspeed prompt signal, the motor locking and other functions; the front end and the back end exchange information through communication lines.
In this embodiment, a front-end control chip U3 and an instrument interface H11 of the instrument display module are respectively connected to a one-line signal output module and a voltage selection signal module, where the one-line signal output module is configured to forward a one-line signal of a rear-end controller to the instrument display module for use; the voltage selection signal module is used for outputting a rear-end voltage selection signal to the instrument display module.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any conceivable changes or substitutions by those skilled in the art within the technical scope of the present invention are covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The front-end and rear-end intelligent control device based on the electric vehicle is characterized by comprising a front-end control chip (U3) and a rear-end control chip (U6), wherein the front-end control chip (U3) is respectively connected with a front-end control box, an instrument display module, a signal detection module and a front-end equipment control module; the rear-end control chip (U6) is respectively connected with a rear-end control box, a controller module and a rear-end equipment control module; the front-end control box is provided with a front-end communication interface, the rear-end control box is provided with a rear-end communication interface, and the front-end communication interface is connected with the rear-end communication interface through a communication line; the instrument display module is connected with the controller module, and the front end control box, the rear end control box, the instrument display module and the controller module are connected with the power supply module respectively to provide working voltage.
2. The intelligent front-end and back-end control device based on the electric vehicle as claimed in claim 1, wherein a front-end one-line communication signal output module and a back-end control protocol signal input module are arranged between the front-end communication interface and the front-end control chip; correspondingly, a back-end one-line communication signal output module and a front-end control protocol signal input module are arranged between the back-end communication interface and the back-end control chip.
3. The intelligent front-end and back-end control device based on the electric vehicle as claimed in claim 2, wherein the front-end control chip (U3) and the back-end control chip (U6) are both MCU chips.
4. The intelligent control device for the front end and the rear end based on the electric vehicle as claimed in claim 3, wherein the front-end one-line signal output module comprises a seventeenth resistor (R17) and a third diode (D3) which are connected in series, the other end of the seventeenth resistor (R17) is connected with an eighteenth pin (PA 2) of the front-end control chip (U3), and the cathode of the third diode (D3) is connected with the front-end communication interface; the rear-end control protocol signal input module comprises a first triode (Q1), a twenty-second resistor (R22) is connected to an integrated electrode of the first triode (Q1), a twenty-third resistor (R23) is connected to a base electrode of the first triode (Q1), the other end of the twenty-third resistor (R23) is connected with the front-end communication interface, and a twenty-sixth resistor (R26) and a sixth capacitor (C6) are connected to two ends of the twenty-third resistor (R23) respectively and grounded with an emitting electrode of the first triode (Q1); the other end of the twenty-second resistor (R22) is connected with a nineteenth pin (PA 3) of the front-end control chip (U3).
5. The intelligent control device based on the front end and the rear end of the electric vehicle as claimed in claim 3, wherein the rear-end one-line signal output module comprises a ninety-fifth resistor (R95) and a sixteenth diode (D16) which are connected in series, the other end of the ninety-fifth resistor (R95) is connected with a tenth pin (PB 5) of the rear-end control chip (U6), and the cathode of the sixteenth diode (D16) is connected with the rear-end communication interface; the front-end control protocol signal input module comprises a nineteenth triode (Q19), an eighty-two resistor (R82) is connected to an integrated electrode of the nineteenth triode (Q19), an eighty-four resistor (R84) is connected to a base electrode of the nineteenth triode (Q19), the other end of the eighty-four resistor (R84) is connected with the rear-end communication interface, and an eighty-nine resistor (R89) and a seventeenth capacitor (C17) are respectively connected to two ends of the eighty-four resistor (R84) and grounded with an emitting electrode of the nineteenth triode (Q19); the other end of the eighty-second resistor (R82) is connected with an eighth pin (PB 6) of the rear-end control chip (U6).
6. The intelligent front-rear end control device based on the electric vehicle as claimed in claim 3, wherein the rear-end equipment control module comprises a rear-end left-turn lamp control module, a rear-end right-turn lamp control module, a rear-end broad lamp control module and a rear brake lamp control module, the rear-end left-turn lamp control module, the rear-end right-turn lamp control module, the rear-end broad lamp control module and the rear brake lamp control module are respectively arranged between the rear-end control chip (U6) and a rear tail lamp interface (H15), and control of a tail lamp connected with the tail lamp interface can be realized.
7. The front-end and rear-end intelligent control device based on the electric vehicle as claimed in claim 6, further comprising a voltage selection first input module, a function selection spare line module, a controller one-line communication signal input module, a P-gear signal output module, a speed change signal output module, a twist-grip signal output module, a switch signal detection module and a front-end gate buffer and output module, wherein the voltage selection first input module, the function selection spare line module, the controller one-line communication signal input module, the P-gear signal output module, the speed change signal output module, the twist-grip signal output module, the switch signal detection module and the front-end gate buffer and output module are respectively arranged between the rear-end control chip (U6) and a controller interface (H17) of the controller module.
8. The intelligent front-end and back-end control device based on the electric vehicle as claimed in claim 1, wherein the front-end control chip (U3) or the back-end control chip (U6) is further connected with an anti-theft control module.
9. The intelligent front-rear end control device based on the electric vehicle as claimed in claim 3, wherein the signal detection module can detect the signal of the front-end device control module, the signal detection module comprises a high beam signal detection module, a brake signal detection module, a left turn signal detection module, a right turn signal detection module, an outline marker light signal detection module, a speed change signal detection module, a P-shift signal detection module, a turn handle signal detection module and an electric door signal detection module, and the front-end device control module comprises a flash control circuit module, an iron horn interface module (H2), a left brake handle interface module (H3), a right brake handle interface module (H4), a front left turn lamp interface module (H5), a front right turn lamp interface module (H6), a headlamp interface module (H7), a left switch interface module (H8), a P-shift interface module (H9), a right switch interface module (H10), an electric door lock interface module (H12) and a front-end door buffer and output module.
10. The intelligent front-end and back-end control device based on the electric vehicle as claimed in claim 3, wherein a front-end control chip (U3) and a meter interface (H11) of the meter display module are respectively connected with a one-line signal output module and a voltage selection signal module, and the one-line signal output module is used for forwarding a one-line signal of a back-end controller to the meter display module for use; the voltage selection signal module is used for outputting a rear-end voltage selection signal to the instrument display module.
CN202222681419.0U 2022-10-11 2022-10-11 Front and back end intelligent control device based on electric vehicle Active CN218519785U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222681419.0U CN218519785U (en) 2022-10-11 2022-10-11 Front and back end intelligent control device based on electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222681419.0U CN218519785U (en) 2022-10-11 2022-10-11 Front and back end intelligent control device based on electric vehicle

Publications (1)

Publication Number Publication Date
CN218519785U true CN218519785U (en) 2023-02-24

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CN202222681419.0U Active CN218519785U (en) 2022-10-11 2022-10-11 Front and back end intelligent control device based on electric vehicle

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