CN213799286U

CN213799286U - Power reduction processing system for whole vehicle controller of electric vehicle

Info

Publication number: CN213799286U
Application number: CN202022200974.8U
Authority: CN
Inventors: 陆立军; 万文君; 陈军
Original assignee: Jiangsu Yueda Special Vehicle Co Ltd
Current assignee: Jiangsu Yueda Special Vehicle Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-27
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an electric automobile vehicle control unit falls power processing system, its structure includes VCU main body cover and processing apparatus, the utility model discloses an inside processing apparatus that has set up at VCU main body cover, be connected CAN bus interface and external connection, then at pure electric vehicles driving process, SOC chip detects behind the relevant signal that need fall power, inside each parts external connection passes through CAN bus interface with the signal and transmits to the VCU main part, then inside transmitting to the MUC chip through the VCU main part, pass through the analysis of MUC chip at last, after sending relevant power instruction that falls, just CAN realize electric automobile's the activity of falling power, thereby just CAN reach and reduce the load, guarantee electric automobile safety.

Description

Power reduction processing system for whole vehicle controller of electric vehicle

Technical Field

The utility model relates to an electric automobile vehicle control unit falls power processing system technical field, concretely relates to electric automobile vehicle control unit falls power processing system.

Background

With the continuous development of automobile electronic technology, the requirements on the comfort and the operability of an automobile are continuously improved, more and more electronic devices are arranged in the automobile, an electric automobile whole controller is one of electric automobile core control modules, the electric automobile whole controller manages, coordinates and monitors all links of a new energy automobile power system to improve the energy utilization efficiency of the whole automobile and ensure the safety and the reliability, the electric automobile whole controller gives out a motor control instruction and a battery management instruction to realize the whole automobile driving control, the energy optimization control and the brake feedback control, and the electric automobile whole controller has perfect fault diagnosis and processing functions.

In recent years, the yield and the sales of new energy electric vehicles are greatly increased, more and more people begin to accept and use electric vehicles as daily travel vehicles, and the vehicles often appear at lamps such as insufficient electric quantity or faulty meters during the use process of customers, so that the speed of the vehicles is reduced, the acceleration is poor, and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, a power reduction processing system for a whole vehicle controller of an electric vehicle is provided, and the problems that in recent years, a new energy electric vehicle has a greatly increased situation in yield and sales, more and more people begin to accept and use the electric vehicle as a daily travel vehicle, the vehicle often has the phenomena of low electric quantity or instrument failure and the like in the using process of a customer, the vehicle speed becomes slow, the acceleration becomes poor and the like are solved, and the effects of reducing the load and ensuring the safety of the electric vehicle are achieved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a power reduction processing system of a whole electric automobile controller, which comprises a VCU main body shell and a processing device, wherein the upper end of the VCU main body shell is fixedly provided with a dust cover in an inserting way, the lower ends of the front side and the rear side of the VCU main body shell are fixedly connected with an installation block, the middle end inside the installation block is provided with an installation hole, the right end of the left side of the VCU main body shell is provided with an interface, the processing device is arranged inside the VCU main body shell and comprises a circuit board, a CAN bus interface, a capacitor, a detector main body, the VCU main body, a MUC chip and an SOC chip, the circuit board is connected with the interior of the VCU main body shell, the CAN bus interface is arranged at the left side of the VCU main body shell, the right side of the CAN bus interface is connected with the circuit board, the capacitor is fixedly connected with the upper end of the front side of the circuit board, the detector main body is fixedly connected with the right side of the front end of the circuit board, the VCU main part is connected with the left side of the circuit board, the MUC chip is oppositely arranged on the right side of the VCU main part, and the SOC chip is arranged at the lower end of the left side of the circuit board.

Furthermore, the mounting block and the mounting hole are symmetrically arranged along the front and back of the VCU main body shell, and an internal thread is arranged on the inner side of the mounting hole.

Furthermore, the whole thickness of circuit board is 2.5CM to circuit board four sides all laminate mutually with VCU main part shell inside.

Furthermore, CAN bus interface is provided with three along VCU main body housing left side equidistance to the CAN bus interface outside is connected with insulating cover.

Further, four capacitors are arranged along the upper end of the front side of the circuit board, and the capacitors are spaced from each other by a distance of 0.5 MM.

Further, the overall diameter of the detector body is 3CM, and the two detector bodies are symmetrically arranged up and down along the right side of the circuit board.

Further, the overall length of the VCU main body is less than the MUC chip length, and the overall length of the VCU main body is 5 CM.

Furthermore, the SOC chip mounting position is opposite to the lower ends of the VCU main body and the MUC chip, and the two SOC chips are symmetrically arranged along the left lower end and the right lower end of the circuit board.

Furthermore, the VCU main body housing is made of polycarbonate.

Furthermore, the dust cover is made of plastic materials.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses an electric automobile vehicle control unit falls power processing system, through at the inside processing apparatus that has set up of VCU main body cover, be connected CAN bus interface and outside wiring, then in pure electric vehicle driving process, the SOC chip detects behind the relevant signal that need fall the power, inside each parts outside wiring passes through CAN bus interface with the signal and transmits to the VCU main part, then inside transmitting to the MUC chip through the VCU main part, at last through the analysis of MUC chip, after sending relevant power instruction that falls, just CAN realize electric automobile's the activity of falling the power, thereby just CAN reach the reduction load, guarantee electric automobile safety.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the treating apparatus of the present invention;

fig. 4 is a schematic diagram of an operating circuit of the processing device according to the present invention.

In the figure: VCU main body shell-1, dust cover-2, mounting block-3, mounting hole-4, interface-5, processing device-6, circuit board-61, CAN bus interface-62, capacitor-63, detector main body-64, VCU main body-65, MUC chip-66 and SOC chip-67.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 and fig. 2, the utility model provides an electric automobile vehicle control unit power reduction processing system through improving here, including VCU main body cover 1 and

processing apparatus

6, 1 upper end grafting of VCU main body cover is fixed with shield 2, the equal fixedly connected with installation piece 3 of both sides lower extreme around VCU main body cover 1, mounting hole 4 has been seted up to the inside middle-end of

installation piece

3, 1 left side right-hand member of VCU main body cover is provided with interface 5, installation piece 3 and mounting hole 4 all set up along VCU main body cover 1 front and back symmetry, and mounting hole 4 inboard is provided with the internal thread, make accessible mounting hole 4 realize the firm installation activity of VCU main body cover 1, VCU main body cover 1 adopts the polycarbonate material to make, shield 2 adopts the plastics material to make.

Referring to fig. 3 and 4, the present invention provides a power reduction processing system for a vehicle control unit of an electric vehicle, wherein a processing device 6 is disposed inside a VCU main body case 1, the processing device 6 includes a circuit board 61, a CAN bus interface 62, a capacitor 63, a detector main body 64, a VCU main body 65, a MUC chip 66 and a SOC chip 67, the circuit board 61 is connected to the inside of the VCU main body case 1, the CAN bus interface 62 is mounted on the left side of the VCU main body case 1, the right side of the CAN bus interface 62 is connected to the circuit board 61, the capacitor 63 is fixedly connected to the upper end of the front side of the circuit board 61, the detector main body 64 is fixedly connected to the right side of the front end of the circuit board 61, the VCU main body 65 is connected to the left side of the circuit board 61, the MUC chip 66 is disposed on the right side of the VCU main body 65, the SOC chip 67 is disposed on the lower end of the left side of the circuit board 61, the whole thickness of the circuit board 61 is 2.5CM, and four sides of the circuit board 61 are all jointed with the inside of the VCU main body shell 1, so that the circuit board 61 is large in thickness and not easy to damage, three CAN bus interfaces 62 are arranged at equal intervals along the left side of the VCU main body shell 1, an insulating sleeve is connected with the outer side of the CAN bus interfaces 62, so that the connection stability with external wiring is ensured, four capacitors 63 are arranged along the upper end of the front side of the circuit board 61, the distance between the capacitors 63 is 0.5MM, so that the functions of filtering, coupling, voltage reduction, energy storage and the like CAN be realized, the overall diameter of the detector main body 64 is 3CM, two detectors 64 are symmetrically arranged up and down along the right side of the circuit board 61, so that the detection activity in the electric automobile CAN be carried out, the overall length of the VCU main body 65 is smaller than that of the MUC chip 66, the overall length of the VCU main body 65 is 5CM, so that the VCU main body 65 and the MUC chip 66 are large, and the overall usability is stable and easy, the SOC chip 67 is installed opposite to the lower ends of the VCU main body 65 and the MUC chip 66, and the two SOC chips 67 are symmetrically arranged along the left lower end and the right lower end of the circuit board 61, so that an integrated circuit and a detection function are provided for the whole electric vehicle controller.

The MUC chip 66 described in this patent: the micro control unit, also called a single chip microcomputer or a single chip microcomputer, properly reduces the frequency and specification of a central processing unit, and integrates peripheral interfaces such as a memory, a counter, a USB, an A/D conversion, a UART, a PLC, a DMA and the like, even an LCD driving circuit on a single chip to form a chip-level computer, so as to carry out different combination control for different application occasions.

The utility model discloses a whole electric vehicle controller power reduction processing system, the working principle is as follows;

firstly, a user installs the VCU main body shell 1 at an installation position in an electric automobile by arranging installation holes 4 at the middle end in an installation block 3 at the lower ends of the front side and the rear side of the VCU main body shell 1, so as to realize the installation activity of the VCU main body shell 1, and finally, an interface 5 arranged at the left end and the right end of the VCU main body shell 1 is connected with an external connecting wire so as to realize the electric connection activity, and meanwhile, a dustproof cover 2 arranged at the upper end of the VCU main body shell 1 is used for realizing the dustproof protection of parts arranged in the VCU main body shell 1 and preventing dust from entering the parts influencing the interior, so that the installation activity of the whole electric automobile controller can be finished;

secondly, in recent years, the yield and the sales of new energy electric vehicles are greatly increased, more and more people begin to accept and use electric vehicles as daily travel vehicles, and vehicles often appear in the light of insufficient electric quantity or fault of instruments and the like in the using process of customers, so that the speed of the vehicles is reduced, the acceleration is poor and the like;

thirdly, by arranging the processing device 6 inside the VCU main body case, firstly, the user connects the CAN bus interface 62 arranged on the left side of the VCU main body case 1 with the external connection, then, when the SOC chip 67 arranged on the lower left end of the circuit board 1 detects the end of the electric quantity inside the electric vehicle or the detector main body 64 detects the overheat state of the motor and the like during the running of the pure electric vehicle, under the condition that high-voltage components such as the vehicle-mounted energy source and the like are protected, the VCU main body 65 on the left side of the front end of the circuit board 61 receives the power-down request signal transmitted to the CAN bus interface 62 by the external connection of each component, then the VCU main body 65 transmits the signal to the inside of the MUC chip 66 arranged opposite to the right side of the VCU main body 65, and finally, after the related power-down command is transmitted by the analysis of the MUC chip 66, the power-down activity of the electric vehicle CAN be realized, thereby the load reduction CAN be achieved, the safety of the electric automobile is guaranteed;

fourthly, signals of various high-voltage components such as the electric quantity of a vehicle-mounted energy source to the tail end, the single-core voltage difference of a battery is overlarge, the temperature of a motor is overhigh and the like CAN be transmitted to the interior of the VCU main body 65 by reducing the output power of the whole vehicle by half through the CAN bus interface 62, and then the signals are transmitted to the interior of the MUC chip 66 through the VCU main body 65 to reduce the output current, so that the load of the components is reduced, the components transmit related information through the CAN bus interface 62 instead of transmitting analog signals through the components such as a sensor and the like, the safety and reliability are improved, the wire harness is reduced, and the cost is reduced.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The power reduction processing system for the whole vehicle controller of the electric vehicle comprises a VCU main body shell (1), wherein a dustproof cover (2) is fixedly inserted at the upper end of the VCU main body shell (1), the lower ends of the front side and the rear side of the VCU main body shell (1) are fixedly connected with mounting blocks (3), a mounting hole (4) is formed in the middle end of the inside of each mounting block (3), and an interface (5) is arranged at the right end of the left side of the VCU main body shell (1);

the method is characterized in that: the device comprises a VCU main body shell (1), and is characterized by further comprising a processing device (6), wherein the processing device (6) is arranged inside the VCU main body shell (1), the processing device (6) comprises a circuit board (61), a CAN bus interface (62), a capacitor (63), a detector main body (64), a VCU main body (65), a MUC chip (66) and an SOC chip (67), the circuit board (61) is connected with the interior of the VCU main body shell (1), the CAN bus interface (62) is installed on the left side of the VCU main body shell (1), the right side of the CAN bus interface (62) is connected with the circuit board (61), the capacitor (63) is fixedly connected to the upper end of the front side of the circuit board (61), the detector main body (64) is fixedly connected to the right side of the front end of the circuit board (61), the VCU main body (65) is connected with the left side of the circuit board (61), and the MUC chip (66) is oppositely arranged on the right side of the VCU main body (65), the SOC chip (67) is arranged at the lower end of the left side of the circuit board (61).

2. The power reduction processing system for the vehicle control unit of the electric vehicle according to claim 1, wherein: the mounting block (3) and the mounting hole (4) are symmetrically arranged along the front and the back of the VCU main body shell (1), and an internal thread is arranged on the inner side of the mounting hole (4).

3. The power reduction processing system for the vehicle control unit of the electric vehicle according to claim 1, wherein: the whole thickness of circuit board (61) is 2.5CM to circuit board (61) four sides all laminate mutually with VCU main part shell (1) inside.

4. The power reduction processing system for the vehicle control unit of the electric vehicle according to claim 1, wherein: CAN bus interface (62) are provided with three along VCU main body cover (1) left side equidistance to CAN bus interface (62) outside is connected with insulating cover.

5. The power reduction processing system for the vehicle control unit of the electric vehicle according to claim 1, wherein: the capacitors (63) are arranged in four along the upper end of the front side of the circuit board (61), and the capacitors (63) are spaced from each other by a distance of 0.5 MM.

6. The power reduction processing system for the vehicle control unit of the electric vehicle according to claim 1, wherein: the overall diameter of the detector main body (64) is 3CM, and the two detector main bodies (64) are symmetrically arranged up and down along the right side of the circuit board (61).

7. The power reduction processing system for the vehicle control unit of the electric vehicle according to claim 1, wherein: the VCU main body (65) has an overall length smaller than that of the MUC chip (66), and the VCU main body (65) has an overall length of 5 CM.

8. The power reduction processing system for the vehicle control unit of the electric vehicle according to claim 1, wherein: the SOC chip (67) is arranged at a position opposite to the lower ends of the VCU main body (65) and the MUC chip (66), and the two SOC chips (67) are symmetrically arranged along the left lower end and the right lower end of the circuit board (61).