CN211240311U

CN211240311U - Printed circuit board in electric box of hybrid vehicle

Info

Publication number: CN211240311U
Application number: CN201922408492.9U
Authority: CN
Inventors: 郭蟾芳; 李萌; 周东; 葛伯力
Original assignee: Delphi Electrical Centers Shanghai Co Ltd
Current assignee: Delphi Electrical Centers Shanghai Co Ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-11
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to a mix interior printed circuit board of motor car electrical box, including locating power module (14), welded relay (1), little central processing unit (3), field effect transistor (4), terminal (5) and CAN module (6) on same PCB board (2), mix ECU (12) of motor car and be connected to the CAN bus through CAN module (6), CAN module (6) connect little central processing unit (3) through terminal (5), little central processing unit (3) connect field effect transistor (4), welded relay (1) respectively, field effect transistor (4) and welded relay (1) are connected through terminal (5) and other motors in the automobile body, CAN module (6) be equipped with awaken up register (7). Compared with the prior art, the utility model has the advantages of functional strong, light in weight.

Description

Printed circuit board in electric box of hybrid vehicle

Technical Field

The utility model belongs to the technical field of the electric box technique and specifically relates to a mix printed circuit board in motor car electric box.

Background

The electric box is an important part in a hybrid vehicle, is an electronic and electric integrated technology in a modern vehicle, and is used as a distribution center of battery energy in the aspect of vehicle electricity to realize reasonable distribution of current of each loop; the automobile electronic information processing center receives the state signals of the electronic devices and sends control signals to make corresponding reflection. However, in the time of the hybrid vehicle, an electrical box specially developed for the hybrid vehicle is rarely available on the market.

Because the automobile market is competitive and the energy consumption is low, the whole automobile factory pays attention to the service life, weight and function of the product more than before while paying attention to the function. Therefore, the electrical box has to reduce external control and self weight and quality on the premise of ensuring functions, and the miniaturization and multifunction are the trends of the future development of the electrical box. The biggest defects of the existing winding type and hard wire type electric boxes are that the electric boxes are heavy and poor in universality, dozens of control wires and power lines on the electric boxes are complicated, and a large amount of space and weight in a vehicle are occupied. In addition, the existing electrical box is single in functionality, and mostly does not have the function of error reporting and awakening.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mix interior printed circuit board of motor car electric box in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a mix interior printed circuit board of motor car electric box, is including locating power module, welded relay, little central processing unit, field effect transistor, terminal and the CAN module on same PCB board, mixes the ECU of motor car and is connected to the CAN bus through the CAN module, the CAN module pass through the terminal and connect little central processing unit, little central processing unit connect field effect transistor, welded relay respectively, field effect transistor and welded relay pass through the terminal and are connected with other motors in the automobile body, the CAN module be equipped with awaken up the register.

Preferably, the CAN module still include reset generator, interrupt controller, basic chip, CAN battery, the CAN battery respectively with awaken up register, reset generator, interrupt controller and be connected, the basic chip be equipped with the SPI interface that is used for connecting terminal.

Preferably, the CAN module adopts a TLE6251-3G module.

Preferably, the CAN module is welded on the PCB.

Preferably, the terminal is soldered on the PCB by solder paste.

Preferably, the field effect transistor and the micro central processing unit are welded on the PCB in a patch mode.

Preferably, the micro central processing unit adopts an R5F10PLJKFB chip.

Preferably, the field effect transistor adopts a VN7050AJTR field effect transistor.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model simplifies the input of the control signal line of the vehicle body in the electric box, and only needs to send an instruction to the micro central processing unit in the electric box through the CAN module to control each field effect tube and the welding type relay, thereby controlling the opening or closing of the equipment corresponding to each motor in the vehicle body, and the CAN module has a wake-up register and has the function of reporting errors and waking up;

secondly, an ECU of the vehicle body is connected to a CAN bus through a CAN module, the CAN module is connected with a micro central processing unit through a terminal, the micro central processing unit is connected with a field effect tube and a welding type relay, the field effect tube and the welding type relay are connected with other motors in the vehicle body through terminals, and most of wire harnesses and terminals are reduced through CAN bus control, so that the weight of the whole product is reduced;

thirdly, the welding type relay, the micro central processing unit, the field effect transistor, the terminal and the CAN module are arranged on the PCB, so that a plurality of unnecessary devices are removed, the whole design is simpler and clearer, and the steps of inserting pins and manually inserting the components are reduced;

four, the utility model discloses a part on the printed circuit board is mostly electronic chip, can control different loads and need not do any design and modify, only needs to change the paster quantity and the value of electronic product, can satisfy customer's different demands, and the suitability is high.

Drawings

Fig. 1 is a schematic diagram of the routing of the printed circuit board in the electric box of the hybrid vehicle according to the embodiment of the present invention;

fig. 2 is a schematic structural diagram of a CAN module in an embodiment of the present invention;

FIG. 3 is a schematic diagram of the working principle of the printed circuit board in the electric box of the hybrid vehicle according to the embodiment of the present invention;

the reference numbers in the figures indicate:

1. welding formula relay, 2, PCB board, 3, little central processing unit, 4, field effect transistor, 5, terminal, 6, CAN module, 7, awaken up the register, 8, reset generator, 9, interrupt controller, 10, basic chip, 11, CAN battery, 12, ECU, 13, SPI interface, 14, power module.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Examples

The utility model relates to a mix interior printed circuit board of motor car electrical box, including power module 14, welded relay 1, little central processing unit 3, field effect transistor 4, terminal 5 and CAN module 6. The power module 14, the welding type relay 1, the micro central processing unit 3, the field effect tube 4, the terminal 5 and the CAN module 6 are all arranged on the PCB 2, and the PCB 2 plays a role in connecting all devices. The power supply module 14 is connected with the micro central processing unit 3.

Welded relay 1 is lighter than traditional plug-in relay quality, does not need the manual work according to the step, and the noise is low, and it welds on PCB board 2. The terminals 5 are press-fitted on the PCB 2 and then soldered with solder paste. The micro central processing unit 3 is an indispensable part for product intellectualization and is used for acquiring and sending instructions and recording failure modes, and the micro central processing unit 3 is welded on the PCB 2 in a patch mode with the model of R5F10 PLJKFB. The CAN module 6 is an intelligent electric control device for realizing communication data forwarding among all electronic control devices of the whole vehicle, so that the whole vehicle realizes a regional network control system of the vehicle-mounted electric control devices, and the CAN module is welded on the PCB 2. The field effect tube 4 is used as an electronic switch to replace the traditional relay, so that the service life is prolonged, the noise is reduced and the power consumption is reduced. The field effect tube 4 is welded on the PCB 2 in a patch mode, and the model adopts VN7050 AJTR.

Preferably, the utility model discloses a CAN module 6's model is TLE6251-3G, and this module is including awakening up register 7, resetting generator 8, interrupt controller 9, basic chip 10, CAN battery 11, and CAN battery 11 is connected with awakening up register 7, resetting generator 8, interrupt controller 9 respectively, and basic chip 10 is equipped with the SPI interface 13 that is used for connecting terminal 5.

An ECU (Electronic Control Unit) 12 of the vehicle body is connected to a CAN bus through a CAN module 6, the CAN module 6 is connected with a micro central processing Unit 3 through a terminal 5, the micro central processing Unit 3 is connected with a field effect tube 4 and a welding type relay 1 through a PCB (printed circuit board) 2, and the field effect tube 4 and the welding type relay 1 are connected with other motors in the vehicle body through the terminal 5. The utility model discloses simplify the input of automobile body control signal line in the electric box, only need give the little central processing unit send instruction in the electric box through the CAN module, control each field effect transistor and welded relay, and then the opening or closing of the corresponding equipment of each motor in the control automobile body. The utility model discloses a CAN module has awakens up the register, has to be accompanied and reports wrong awakening function.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within 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

1. The utility model provides a printed circuit board in electric box of mixed motor car, its characterized in that, including locating power module (14), welded relay (1), little central processing unit (3), field effect transistor (4), terminal (5) and CAN module (6) on same PCB board (2), ECU (12) of mixed motor car is connected to the CAN bus through CAN module (6), CAN module (6) connect little central processing unit (3) through terminal (5), little central processing unit (3) connect field effect transistor (4), welded relay (1) respectively, field effect transistor (4) and welded relay (1) are connected through terminal (5) and motor in the automobile body, CAN module (6) be equipped with awakening register (7).

2. The printed circuit board in the hybrid vehicle electrical box according to claim 1, wherein the CAN module (6) further comprises a reset generator (8), an interrupt controller (9), a base chip (10) and a CAN battery (11), the CAN battery (11) is respectively connected with the wake-up register (7), the reset generator (8) and the interrupt controller (9), and the base chip (10) is provided with an SPI interface (13) for connecting the terminal (5).

3. The printed circuit board in the electric box of the hybrid vehicle according to claim 2, wherein the CAN module (6) adopts a TLE6251-3G module.

4. A hybrid vehicle electrical box inner printed circuit board according to claim 3, characterized in that the CAN module (6) is soldered to the PCB board (2).

5. A printed circuit board in a hybrid vehicle electrical box according to claim 1, wherein the terminal (5) is soldered to the PCB board (2) by solder paste.

6. The printed circuit board in the electric box of the hybrid vehicle according to claim 1, wherein the field effect transistor (4) and the micro central processing unit (3) are soldered on the PCB (2) in a patch manner.

7. The printed circuit board in the hybrid vehicle electric box according to claim 1, wherein the micro central processing unit (3) adopts an R5F10PLJKFB chip.

8. The printed circuit board in the hybrid vehicle electric box according to claim 1, wherein the field effect transistor (4) is a VN7050AJTR field effect transistor.