CN207424670U - A kind of program-controlled direct fault location case of pure electric vehicle controller - Google Patents
A kind of program-controlled direct fault location case of pure electric vehicle controller Download PDFInfo
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- CN207424670U CN207424670U CN201721629648.0U CN201721629648U CN207424670U CN 207424670 U CN207424670 U CN 207424670U CN 201721629648 U CN201721629648 U CN 201721629648U CN 207424670 U CN207424670 U CN 207424670U
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Abstract
The utility model discloses a kind of program-controlled direct fault location casees of pure electric vehicle controller,Including babinet and it is arranged on the in vivo programmable power supply of case,Entire car controller,Direct fault location module,CAN cards,Digital quantity board,Analog quantity board,Frequency quantity board and industrial personal computer,Programmable power supply,CAN cards,Digital quantity board,One end of analog quantity board and frequency quantity board is connected with industrial personal computer,The other end is connected with direct fault location module,Direct fault location module is connected with entire car controller,Programmable power supply is used to export given voltage and to constant current according to the setting of industrial personal computer,Direct fault location module is used to utilize CAN cards,Digital quantity board,Analog quantity board and frequency quantity board obtain the input signal of entire car controller and output signal,And it is input to entire car controller after carrying out processing generation fault-signal,To test the working performance of entire car controller in case of a fault.The utility model can improve the reliability and security of electric vehicle.
Description
Technical field
The utility model is related to entire car controller Fault Insertion Equipment technical field more particularly to a kind of pure electric automobile are whole
The program-controlled direct fault location case of vehicle controller.
Background technology
As the improvement of people's living standards, the automobile volume of holding is also increasing year by year, the substantial amounts of fossil energy of automobile consumption
Source, while a large amount of tail gas have been discharged, the living environment of the mankind is caused to deteriorate, energy shortage problem also getting worse, therefore develop
Pure electric automobile is following irreversible trend.
Core control part of the entire car controller as pure electric automobile, current many functions all in the development phase,
It is used widely, endangering risk while providing great convenience for passenger, caused by potential failure failure also greatly increases.
In the prior art, Patent No. CN201620519595 discloses a kind of ESC system direct fault location box structure, it
Including failure tank shell, connecting bridge, welding screw with holes, ESC ends plug connector, harness end plug connector and cable；Failure tank shell
Upper surface is provided with connecting bridge, is linked between connecting bridge by cable, and welding screw with holes, band are additionally provided on failure tank shell
Eyelet welding connects screw and is connected by cable with harness end plug connector, and harness end plug connector is connected with harness end, and harness end is fixed on company
It connects on bridge, short-circuit between connecting bridge and ESC system, the port of ESC ends plug connector and the control unit of vehicle are attached.This is specially
Profit simulates ESC system by direct fault location and fails, to check the reaction of thrashing rear vehicle, however the accuracy of detection of the patent
Low, system reliability is poor, it is difficult to meet the growth requirement in current electric vehicle field.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of controls of whole pure electric vehicle
The program-controlled direct fault location case of device provides fault detect, fault redundance and safety protecting mechanism for entire car controller, solves electric vehicle
Potential failure problem, improve the reliability and security of electric vehicle.
In order to achieve the above objectives, the utility model adopts the following technical solution：
A kind of program-controlled direct fault location case of pure electric vehicle controller, the program-controlled direct fault location case include babinet and set
Put the in vivo programmable power supply of the case, entire car controller, direct fault location module, CAN cards, digital quantity board, analog quantity board,
Frequency quantity board and industrial personal computer, the programmable power supply, the CAN cards, the digital quantity board, the analog quantity board and described
One end of frequency quantity board is connected with the industrial personal computer, and the other end is connected with the direct fault location module, the direct fault location mould
Block is connected with the entire car controller, and the programmable power supply is used to export given voltage according to the setting of the industrial personal computer and give
Electric current, the direct fault location module are used to utilize the CAN cards, the digital quantity board, the analog quantity board and the frequency
Rate template card obtains the input signal of the entire car controller and output signal, and input signal to acquisition and output signal into
The entire car controller is input to after row processing generation fault-signal, to test the work of the entire car controller in case of a fault
Make performance.
Preferably, panel is provided on the babinet, multiple banana bins, the program-controlled electric are provided on the panel
Source, the CAN cards, the digital quantity board, one end of the analog quantity board and the frequency quantity board pass through harness and institute
It states industrial personal computer to be connected, the other end is connected with the banana bin on the panel, and each pin of the entire car controller passes through line
Beam is connected with the banana bin on the panel, and the direct fault location module passes through harness and the banana bin phase on the panel
Even.
Preferably, the entire car controller includes CAN module, analog module, digital module, frequency quantity module；
The CAN module includes vehicle CAN submodules, motor CAN submodules and debugging CAN submodules, the vehicle CAN
Submodule is connected with instrument, battery management system, DC/DC, oil pump controller, the motor CAN submodules and electric machine controller,
Shift handle connects, and the debugging CAN submodules are used to diagnose complete vehicle fault；
The analog module is used to gather gas pedal depth, brake pedal depth, gear selecting sensing station and gearshift
Sensing station；
The digital module includes digital output submodule and digital quantity output sub-module, digital quantity input
Module for gather parking brake signal, service brake signal, motor pattern switching signal, air-conditioning switch signal, electricity defrosting switching signal and
START switching signals, the digital output submodule control system, fan low to control system, water pump low for carrying out contactor height
Control that system, back-up lamp are low to control system and DC/DC high controls system；
The frequency quantity module includes frequency quantity input submodule and frequency quantity output sub-module, frequency quantity input
For gathering speed signal and output axis signal, the frequency quantity output sub-module is used to carry out step electric machine control, change module
Keep off motor control and clutch motor control；
For obtaining the input signal of the CAN module and output signal, the digital quantity board is used to obtain the CAN cards
The input signal of the digital module and output signal are taken, the analog quantity board is used to obtain the defeated of the analog module
Enter signal and output signal, the frequency quantity board is used to obtain the input signal of the frequency quantity module and output signal.
Preferably, the direct fault location module include Fisrt fault bus, the second fault bus, data acquisition card interface,
Entire car controller interface, malfunctioning interface and multiple relays, the data acquisition card interface and the CAN cards, the digital quantity
Board, the analog quantity board and the frequency quantity board are connected, the entire car controller interface and the malfunctioning interface and institute
It states entire car controller to be connected, the Fisrt fault bus and second fault bus are by controlling the logical of multiple relays
The disconnected every fault condition of simulation.
Preferably, the direct fault location module further includes program-controlled resistor unit, and the program-controlled resistor unit includes going here and there successively
Multiple resistance of connection and the switch in parallel with each resistance difference, the program-controlled resistor unit access institute for adjusting
State the size of the resistance of direct fault location module.
Preferably, display screen and mouse-keyboard rest area are additionally provided on the babinet.
Compared with prior art, the utility model has the advantages that：
1. the utility model can pass through industrial personal computer interface procedure or each function module of manual test entire car controller
Function, and according to the performance quality of the threshold value automatic decision entire car controller of setting.
2. the utility model can simulate vehicle failure most of situation, as burn into short circuit, open circuit, firmware problem, always
The failures such as change are realized using direct fault location module to the injection of entire car controller fault-signal to judge entire car controller in failure
In the case of working condition, entire car controller can be analysed in depth and monitored.
3. the utility model can rebuild entire car controller according to the failure behaviour of vehicle in case of a fault, drop
The low out of order probability of vehicle improves the reliability and security of electric vehicle.
Description of the drawings
Fig. 1 is the schematic block diagram of program-controlled direct fault location case described in the utility model；
Fig. 2 is the appearance assumption diagram of program-controlled direct fault location case described in the utility model；
Fig. 3 is the schematic diagram of direct fault location module described in the utility model；
Fig. 4 is the schematic diagram of program-controlled resistor unit described in the utility model.
In figure：1- babinets, 2- programmable power supplys, 3- entire car controllers, 4- direct fault location modules, 5-CAN cards, 6- number templates
Card, 7- analog quantity boards, 8- frequency quantity boards, 9- industrial personal computers, 10- panels, 11- banana bins, 12- display screens, 13- mouse buttons
Disk rest area, 401- Fisrt fault buses, the second fault bus of 402-, 403- data acquisition card interfaces, 404- entire car controllers
Interface, 405- malfunctioning interfaces, 406- relays, 407- resistance, 408- switches.
Specific embodiment
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The utility model provides a kind of program-controlled direct fault location case of pure electric vehicle controller, such as Fig. 1 and Fig. 2 institutes
Show, the program-controlled direct fault location case includes babinet 1 and the programmable power supply 2, entire car controller 3, the direct fault location that are arranged in babinet 1
Module 4, CAN cards 5, digital quantity board 6, analog quantity board 7, frequency quantity board 8 and industrial personal computer 9, programmable power supply 2, CAN cards 5, number
One end of word template card 6, analog quantity board 7 and frequency quantity board 8 is connected with industrial personal computer 9, the other end and 4 phase of direct fault location module
Even, direct fault location module 4 is connected with entire car controller 3, and programmable power supply 2 is used to export given voltage according to the setting of industrial personal computer 9
With to constant current, direct fault location module 4 is used to obtain using CAN cards 5, digital quantity board 6, analog quantity board 7 and frequency quantity board 8
The input signal of rounding vehicle controller 3 and output signal, and input signal to acquisition and output signal carry out processing generation therefore
Entire car controller 3 is input to after barrier signal, to test the working performance of entire car controller 3 in case of a fault.
Wherein, programmable power supply 2 can store vehicle according to the scope output given voltage that industrial personal computer 9 is set, to constant current
The supply variation of battery is simulated, so as to power to entire car controller 3.
Further, panel 10 is provided on babinet 1, is provided with multiple banana bins 11 on panel 10, programmable power supply 2,
CAN cards 5, digital quantity board 6, one end of analog quantity board 7 and frequency quantity board 8 are connected by harness with industrial personal computer 9, the other end
It is connected with the banana bin 11 on panel 10, each pin of entire car controller 3 passes through the banana bin on harness and panel 10
11 are connected, and direct fault location module 4 is connected by harness with the banana bin 11 on panel 10.
Further, entire car controller 3 includes CAN module, analog module, digital module, frequency quantity module；
CAN module includes vehicle CAN submodules, motor CAN submodules and debugging CAN submodules, wherein, vehicle CAN
Module is connected with instrument, battery management system, DC/DC, oil pump controller, motor CAN submodules and electric machine controller, gearshift hand
Handle connects, and debugging CAN submodules are used to diagnose complete vehicle fault；
Analog module is used to gather gas pedal depth, brake pedal depth, gear selecting sensing station and gear shift sensing
Device position；
Digital module includes digital output submodule and digital quantity output sub-module, wherein, digital quantity input submodule
Block for gather parking brake signal, service brake signal, motor pattern switching signal, air-conditioning switch signal, electricity defrosting switching signal and
START switching signals, digital output submodule control that system, fan are low to control that system, water pump are low to be controled for carrying out contactor height
System, back-up lamp are low to control system and DC/DC high controls system；
Frequency quantity module includes frequency quantity input submodule and frequency quantity output sub-module, wherein, frequency quantity input submodule
For gathering speed signal and output axis signal, frequency quantity output sub-module is used to carry out step electric machine control, shift motor block
Control and clutch motor control；
CAN cards 5 are used to obtain the input signal of CAN module and output signal, and digital quantity board 6 is used to obtain digital quantity mould
The input signal of block and output signal, analog quantity board 7 are used to obtain the input signal of analog module and output signal, frequency
Template card 8 is used to obtain the input signal of frequency quantity module and output signal.
Program-controlled direct fault location case described in the utility model utilizes the I/O capability of each board interface, to full-vehicle control
The input/output signal of device 3 is intercepted, then accessed signal is input in direct fault location module 4 and generates fault-signal
Entire car controller 3 is inputted, the controllable test of an environment is carried out to entire car controller 3, establishes an external fault simulation system
System allows entire car controller 3 to think that itself is in a real vehicle environmental, and entire car controller 3 is tested in fault condition with this
Under working performance.
Further, as shown in figure 3, direct fault location module 4 include Fisrt fault bus 401, the second fault bus 402,
Data acquisition card interface 403, entire car controller interface 404, malfunctioning interface 405 and multiple relays 406, data acquisition card interface
403 are connected with CAN cards 5, digital quantity board 6, analog quantity board 7 and frequency quantity board 8, entire car controller interface 404 and failure
Interface 405 is connected with entire car controller 3, and 401 and second fault bus 402 of Fisrt fault bus are by controlling multiple relays
The 406 every fault condition of break-make simulation.
Further, direct fault location module 4 further includes program-controlled resistor unit, as shown in figure 4, program-controlled resistor unit include according to
Multiple resistance 407 of secondary series connection and the switch 408 in parallel with each resistance 407 difference, program-controlled resistor unit connect for adjusting
Enter the size of the resistance of direct fault location module 4.
Internal No. 78 relay input and output are led to for example, direct fault location module 4 can be realized by two-way bus marco
Disconnected control, program-controlled resistor unit can realize the switching from the resistance being shorted to megaohm, can analog temperature sensor, pressure pass
The emulation of the various sensors such as sensor, position sensor.Therefore, direct fault location module 4 can simulate potential failure such as burn into
The failures such as short circuit, open circuit, firmware problem, aging, realize signal shorts, with other pins it is short-circuit, to power supply short circuit, it is short over the ground
Road, the injection to failures such as fixed level short circuit, pin exchanges.
Further, as shown in Fig. 2, being additionally provided with display screen 12 and mouse-keyboard rest area 13 on babinet 1, to realize behaviour
Make the display of the input and testing result instructed.
It in conclusion can not only be quickly to entire car controller 3 using program-controlled direct fault location case described in the utility model
Each function module is verified, and direct fault location module 4 can simulate vehicle electrical equipment in the event of failure to vehicle
The influence of controller 3 by being adjusted to entire car controller 3, such as increases redundant circuit, protection circuit etc., can reduce
Due to danger caused by component failure, 3 out of order probability of entire car controller is reduced, improves the reliability and peace of electric vehicle
Quan Xing.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
- A kind of 1. program-controlled direct fault location case of pure electric vehicle controller, which is characterized in that the program-controlled direct fault location luggage Include babinet and be arranged on the in vivo programmable power supply of the case, entire car controller, direct fault location module, CAN cards, digital quantity board, Analog quantity board, frequency quantity board and industrial personal computer, the programmable power supply, the CAN cards, the digital quantity board, the simulation One end of template card and the frequency quantity board is connected with the industrial personal computer, and the other end is connected with the direct fault location module, institute Direct fault location module is stated with the entire car controller to be connected, the programmable power supply be used for according to the setting of the industrial personal computer export to Constant voltage and to constant current, the direct fault location module is used to utilize the CAN cards, the digital quantity board, the analog quantity Board and the frequency quantity board obtain the input signal of the entire car controller and output signal, and to the input signal of acquisition The entire car controller is input to after carrying out processing generation fault-signal with output signal, to test the entire car controller in event Working performance in the case of barrier.
- 2. program-controlled direct fault location case according to claim 1, which is characterized in that panel is provided on the babinet, it is described Multiple banana bins, the programmable power supply, the CAN cards, the digital quantity board, the analog quantity board are provided on panel And one end of the frequency quantity board is connected by harness with the industrial personal computer, the other end connects with the banana bin on the panel It connects, each pin of the entire car controller is connected by harness with the banana bin on the panel, the direct fault location mould Block is connected by harness with the banana bin on the panel.
- 3. program-controlled direct fault location case according to claim 1, which is characterized in that the entire car controller include CAN module, Analog module, digital module, frequency quantity module；The CAN module includes vehicle CAN submodules, motor CAN submodules and debugging CAN submodules, the vehicle CAN submodules Block is connected with instrument, battery management system, DC/DC, oil pump controller, the motor CAN submodules and electric machine controller, gearshift Handle connects, and the debugging CAN submodules are used to diagnose complete vehicle fault；The analog module is used to gather gas pedal depth, brake pedal depth, gear selecting sensing station and gear shift sensing Device position；The digital module includes digital output submodule and digital quantity output sub-module, the digital quantity input submodule For gathering parking brake signal, service brake signal, motor pattern switching signal, air-conditioning switch signal, electricity defrosting switching signal and START Switching signal, the digital output submodule control that system, fan are low to control that system, water pump are low to be controled for carrying out contactor height System, back-up lamp are low to control system and DC/DC high controls system；The frequency quantity module includes frequency quantity input submodule and frequency quantity output sub-module, the frequency quantity input submodule For gathering speed signal and output axis signal, the frequency quantity output sub-module is for carrying out step electric machine control, electricity of shifting gears Machine controls and clutch motor control；For obtaining the input signal of the CAN module and output signal, the digital quantity board is used to obtain institute the CAN cards The input signal of digital module and output signal are stated, the analog quantity board is used to obtain the input letter of the analog module Number and output signal, the frequency quantity board be used for obtain the frequency quantity module input signal and output signal.
- 4. program-controlled direct fault location case according to claim 1, which is characterized in that the direct fault location module includes the first event Hinder bus, the second fault bus, data acquisition card interface, entire car controller interface, malfunctioning interface and multiple relays, the number It is connected according to acquisition card interface with the CAN cards, the digital quantity board, the analog quantity board and the frequency quantity board, institute It states entire car controller interface and the malfunctioning interface is connected with the entire car controller, the Fisrt fault bus and described second Fault bus are by controlling the break-make of multiple relays to simulate every fault condition.
- 5. program-controlled direct fault location case according to claim 4, which is characterized in that the direct fault location module further includes program-controlled Resistance unit, the program-controlled resistor unit include the multiple resistance being sequentially connected in series and distinguish with each resistance in parallel Switch, the program-controlled resistor unit access the size of the resistance of the direct fault location module for adjusting.
- 6. program-controlled direct fault location case according to any one of claim 1 to 5, which is characterized in that also set on the babinet It is equipped with display screen and mouse-keyboard rest area.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748560A (en) * | 2017-11-29 | 2018-03-02 | 南京越博动力***股份有限公司 | A kind of program control direct fault location case of pure electric vehicle controller |
| CN109031157A (en) * | 2018-07-06 | 2018-12-18 | 中国航空综合技术研究所 | A kind of power supply test plateform system for testability demonstration test |
| CN111987531A (en) * | 2020-09-02 | 2020-11-24 | 上海上益教育设备制造有限公司 | Quick connecting mechanism for output port of automobile signal simulation system |
| CN112199844A (en) * | 2020-10-14 | 2021-01-08 | 广东核电合营有限公司 | System, method, device and computer equipment for verifying electronic speed regulator |
-
2017
- 2017-11-29 CN CN201721629648.0U patent/CN207424670U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748560A (en) * | 2017-11-29 | 2018-03-02 | 南京越博动力***股份有限公司 | A kind of program control direct fault location case of pure electric vehicle controller |
| CN109031157A (en) * | 2018-07-06 | 2018-12-18 | 中国航空综合技术研究所 | A kind of power supply test plateform system for testability demonstration test |
| CN111987531A (en) * | 2020-09-02 | 2020-11-24 | 上海上益教育设备制造有限公司 | Quick connecting mechanism for output port of automobile signal simulation system |
| CN112199844A (en) * | 2020-10-14 | 2021-01-08 | 广东核电合营有限公司 | System, method, device and computer equipment for verifying electronic speed regulator |
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