CN107544476A - A kind of direct fault location case for pure electronic entire car controller functional safety experiment - Google Patents
A kind of direct fault location case for pure electronic entire car controller functional safety experiment Download PDFInfo
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- CN107544476A CN107544476A CN201710980513.7A CN201710980513A CN107544476A CN 107544476 A CN107544476 A CN 107544476A CN 201710980513 A CN201710980513 A CN 201710980513A CN 107544476 A CN107544476 A CN 107544476A
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- fault location
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- direct fault
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Abstract
The present invention relates to a kind of direct fault location case for pure electronic entire car controller functional safety experiment, including casing, casing lower end corner is separately installed with 4 pulleys, it is easy to remove, three pieces of installation is detachably fixed supporting plate in casing, for installing fixed beam switching circuit board and placing tested exemplar, casing front is fixedly installed the aluminium sheet of persistent fault injection circuit plate and the aluminium sheet of fixed load circuit plate, direct fault location circuit board and load circuit plate are embedded in the aluminium sheet of persistent fault injection circuit plate and the aluminium sheet of fixed load circuit plate respectively, bottom half is provided with fixed power source, fixed power source is that direct fault location case and tested exemplar are powered.The beneficial effect of direct fault location case of the present invention is：Load circuit has multigroup test circuit, and switch combination is flexible and changeable, easy to operation.
Description
Technical field
The invention belongs to technical field of new energy, and in particular to one kind is used for pure electronic entire car controller functional safety
The direct fault location case of experiment.
Background technology
With the development of new-energy automobile industry in recent years, requirement of the market to new-energy automobile is also increasingly strict, to work(
The attention degree more and more higher of energy secure context, the functional safety performance for constantly lifting new-energy automobile will be in industry development
One vital task.
One of the core component of entire car controller as new-energy automobile, its critical role is unquestionable.Either vehicle body
In terms of control or functional safety, its performance all directly influences the stability and security of Full Vehicle System.And these performances
And realize that pure electric automobile drives safely, the critical support of its part Effec-tive Function.Accordingly, in outside line catastrophic failure
When, the countermeasure of entire car controller is also particularly important.
For example, Authorization Notice No. is CN204515525U Chinese utility model patent, a kind of new-energy automobile is disclosed
Entire car controller and battery controller combined test system, it is characterised in that surveyed including host computer, hub, entire car controller
Test-run a machine cabinet, battery controller test cabinet, entire car controller direct fault location case, battery controller direct fault location case, full-vehicle control
Device and battery controller, host computer include host computer communication card；Entire car controller test cabinet includes：Entire car controller is surveyed
Test-run a machine cabinet input and output I/O boards, entire car controller test cabinet synthesis board, entire car controller test cabinet controller local
Network C AN EBIs board, entire car controller test cabinet primary processor and entire car controller test cabinet communication board
Card；Battery controller test cabinet includes：Battery controller test cabinet I/O boards, battery controller test cabinet synthesis plate
Card, battery controller test cabinet CAN interface board, battery controller test cabinet digital-to-analogue conversion DAC boards, battery control
Device test cabinet primary processor and battery controller test cabinet communication card processed；
Wherein, the host computer communication card of host computer by hub respectively with entire car controller test cabinet communication card
Connected with battery controller test cabinet communication card；Entire car controller test cabinet communication card is tested by entire car controller
Rack primary processor is connected with entire car controller test cabinet I/O boards, and battery controller test cabinet communication card passes through electricity
Pool controller test cabinet primary processor is connected with battery controller test cabinet I/O boards；Entire car controller test cabinet master
Processor is connected with battery controller test cabinet primary processor；
Entire car controller test cabinet I/O boards also integrate board, full-vehicle control with entire car controller test cabinet respectively
Device test cabinet CAN interface board and entire car controller direct fault location case are connected；Battery controller test cabinet I/O
Board also integrates board, battery controller test cabinet CAN interface board, battery with battery controller test cabinet respectively
Controller test rack DAC boards and battery controller direct fault location case are connected；
Entire car controller direct fault location case is also connected with entire car controller, battery controller direct fault location case also with battery
Controller is connected.
Although above-mentioned prior art can realize part fault test function, but still can not be to the note of all kinds failure
Enter and more easily realize, if realizing direct fault location by artificial wiring completely, extremely expend time and manpower, while also hold
Easily there is operational error.
The content of the invention
In view of the above-mentioned drawbacks of the prior art, the invention provides one kind to be used for pure electronic entire car controller function peace
The direct fault location case tested entirely.
The technical scheme is that：A kind of direct fault location case for pure electronic entire car controller functional safety experiment,
Including casing, casing lower end corner is separately installed with 4 pulleys, easy to remove, and installing three pieces in casing is detachably fixed supporting plate,
For installing fixed beam switching circuit board and placing tested exemplar, casing front is fixedly installed persistent fault injection circuit
The aluminium sheet of plate and the aluminium sheet of fixed load circuit plate, direct fault location circuit board and load circuit plate are embedded in direct fault location and consolidated respectively
Determine in the aluminium sheet of circuit board and the aluminium sheet of fixed load circuit plate, bottom half is provided with fixed power source, and fixed power source is failure
Inject case and the power supply of tested exemplar；
Fuse, faulty circuit plate external connection port, faulty circuit switching plate group, electricity are provided with direct fault location circuit board
Resistance, the connector terminals of direct fault location plate, potentiometer, direct fault location circuit power and ground interface；
Wire harness switching circuit board is arranged in fixed pallet, and wire harness switching circuit board is provided with the connector end of pinboard
Son, Interface Terminal corresponding with VCU (entire car controller) and load circuit plate, wherein, the connector terminals and failure of pinboard
The connector terminals for injecting plate connect by the way that wire harness is corresponding；
Load circuit is load circuit plate, and load circuit plate connects CAN (controller local area network) by wire respectively
Communicating circuit, input switching circuit, relay unit circuit, direct current generator and potentiometer load circuit are used with load circuit plate respectively
Wire is connected, and load circuit plate outlet, volometer installing port, potentiometer load, guarantor are provided with load circuit plate
Terminal, direct current generator load, the switch that dangerous silk, emitting led group, the connection potentiometer load of load circuit plate and relay load
Group.
Further, switches set circuit is switches set, the circuit being made up of multiple switch, including LED power switch, is used
In the emitting led general supply of control；Low level input switch and high level input switch, for being sent to VCU level detections pin
Signal.
Further, input switching circuit includes any in button switch, toggle switch, ship type switch and key switch
It is a kind of.
Further, emitting led circuit is emitting led group, by the emitting led LED battle arrays formed of multiple series resistances
Row, break-make is controlled by relay unit circuit, and it act as reacting relay status, simulates real vehicle electric appliance load.
Further, relay group load circuit is relay group load circuit plate, including multiple relays and is patched
The circuit of part composition, connector connect the drive end and tip side of all relays, are connected by connector with load circuit plate.
Further, relay group load circuit plate be arranged on casing in, be provided with relay group load circuit plate after
The connection terminal of relay, relay load circuit plate and load circuit plate on electric appliance load circuit board.
Further, potentiometer load circuit, its potentiometer include simply connected potentiometer, duplex potentiometer, single-turn potentiometer
With any one in multiturn potentiometer, it act as simulating real vehicle working sensor, analog acquisition signal is provided for VCU.
Compared with prior art, the beneficial effect of direct fault location case of the present invention is：
1. load circuit has multigroup test circuit, multichannel loading can be supported while tested；
It 2. switch combination is flexible and changeable, can meet that various faults inject demand, can realize that VCU bands carry or without load feelings
Fault injection experiment under condition；
3. switch topology is neat, easy to operation, the individual in every group of switch is indicated with different colours fur cap or from not
Same color switch, effectively reduce the maloperation in test process.
Brief description of the drawings
Fig. 1 is the casing schematic perspective view of direct fault location case of the present invention.
Fig. 2 is the direct fault location circuit board schematic diagram of direct fault location case of the present invention.
Fig. 3 is the switching circuit board schematic diagram of direct fault location case of the present invention.
Fig. 4 is the relay group load circuit plate schematic diagram of direct fault location case of the present invention.
Fig. 5 is the load circuit plate schematic diagram of direct fault location case of the present invention.
Fig. 6 is the workflow block diagram of direct fault location case of the present invention.
In figure shown in mark：1- casings, 101- pulleys, the aluminium sheet of 2- persistent fault injection circuit plates, 3- dead loads electricity
The aluminium sheet of road plate, 4- relay unit circuit plate mounting holes, 5- direct fault location circuit boards, 6- load circuit plates, 7- fuses, 8- events
Hinder circuit board external connection port, 9- faulty circuit switching plate groups, 10- resistance, the connection terminal of 11- direct fault location plates, 12- current potentials
Device, 13- direct fault locations circuit power and ground interface, 14- wire harness switching circuit boards, the connector terminals of 141- pinboards, 142-
Interface Terminal corresponding with VCU and load circuit plate, 15- relay group load circuit plates, on 151- relay load circuit plates
Relay, the connection terminal of 152- relay load circuit plates and load circuit plate, 16- load circuit plate outlets,
17- volometer installing ports, the load of 18- potentiometers, 19- fuses, emitting led group of 20-, 21- load circuits plate connection electricity
Position device load and the terminal of relay load, the load of 22- direct current generators, 23- switches sets, 24- interface boards.
Embodiment
Direct fault location case of the present invention is described further with reference to specification drawings and specific embodiments.
As shown in Figures 1 to 5, a kind of direct fault location case for pure electronic entire car controller functional safety experiment, including
Casing 1, the lower end corner of casing 1 is separately installed with 4 pulleys 101, easy to remove, and installing three pieces in casing 1 is detachably fixed support
Plate (not shown), for installing fixed beam switching circuit board 14 and placing tested exemplar, the fixed setting of the front of casing 1
There are the aluminium sheet 2 of persistent fault injection circuit plate and the aluminium sheet 3 of fixed load circuit plate, direct fault location circuit board 5 and load circuit
Plate 6 is embedded in the aluminium sheet 2 of persistent fault injection circuit plate and the aluminium sheet 3 of fixed load circuit plate respectively, and the bottom of casing 1 is set
Fixed power source is equipped with, fixed power source is that direct fault location case and tested exemplar are powered；
Be provided with direct fault location circuit board 5 fuse 7, faulty circuit plate external connection port 8, faulty circuit switching plate group 9,
Resistance 10, the connector terminals 11 of direct fault location plate, potentiometer 12, direct fault location circuit power and ground interface 13；
Wire harness switching circuit board 14 is arranged in fixed pallet, and wire harness switching circuit board 14 is provided with the connector of pinboard
Terminal 141, Interface Terminal 142 corresponding with VCU and load circuit plate, wherein, the connector terminals 141 and failure of pinboard
The connector terminals 11 for injecting plate connect by the way that wire harness is corresponding；
Load circuit is load circuit plate 6, and load circuit plate 6 connects CAN communication circuit by wire respectively, input is opened
Powered-down road, relay unit circuit, direct current generator and potentiometer load circuit are connected with load circuit plate with wire respectively, load electricity
Load circuit plate outlet 16, volometer installing port 17, potentiometer load 18, fuse 19, hair are provided with road plate 6
Light LED groups 20, the terminal 21 of the connection potentiometer load of load circuit plate and relay load, direct current generator load 22, switches set
23。
Further, switches set circuit is that switches set 23, the circuit being made up of multiple switch, including LED power switch,
For controlling emitting led general supply；Low level input switch and high level input switch, for being sent out to VCU level detections pin
The number of delivering letters.
Further, input switching circuit includes any in button switch, toggle switch, ship type switch and key switch
It is a kind of.
Further, emitting led circuit is emitting led group 20, by the emitting led LED formed of multiple series resistances
Array, break-make is controlled by relay unit circuit, it act as reacting relay status, simulates real vehicle electric appliance load.
Further, relay group load circuit is relay group load circuit plate 15, including multiple relays and is connect
The circuit of plug-in unit composition, connector connects the drive end and tip side of all relays, by connector and load circuit plate phase
Even.
Further, relay group load circuit plate 15 is arranged in casing, is set on relay group load circuit plate 15
There are relay 151, the connection terminal 152 of relay load circuit plate and load circuit plate on relay load circuit plate.
Further, potentiometer load circuit, its potentiometer include simply connected potentiometer, duplex potentiometer, single-turn potentiometer
With any one in multiturn potentiometer, it act as simulating real vehicle working sensor, analog acquisition signal is provided for VCU.
The operation principle of the present invention is described further below, as shown in fig. 6, fixed power source is direct fault location circuit
Electric energy is provided with load circuit, load circuit carries out various electric energy inputs by input switching circuit to VCU, to simulate VCU's
Failure situation is input to direct fault location circuit by failure situation, VCU pin again, and direct fault location circuit passes through switching circuit board point
Lian Jie not CAN communication circuit and switches set circuit, emitting led circuit, relay group load circuit, potentiometer load circuit, straight
Flow motor, CAN communication circuit is by switches set circuit, emitting led circuit, relay group load circuit, potentiometer load circuit, straight
The working order of stream motor feeds back to host computer (computer for directly sending manipulation order), and failure can be shown by host computer
The detailed data of situation.
The present invention is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present invention, art technology
Any deformation, improvement, the replacement that personnel are contemplated that each fall within protection scope of the present invention.
Claims (7)
1. a kind of direct fault location case for pure electronic entire car controller functional safety experiment, including casing (1), under casing (1)
End corner is separately installed with 4 pulleys (101), easy to remove, and installing three pieces in casing (1) is detachably fixed supporting plate, for pacifying
Fill fixed beam switching circuit board (14) and place tested exemplar, it is characterised in that casing (1) front is fixedly installed fixation
The aluminium sheet (2) of direct fault location circuit board and the aluminium sheet (3) of fixed load circuit plate, direct fault location circuit board (5) and load circuit
Plate (6) is embedded in the aluminium sheet (2) of persistent fault injection circuit plate and the aluminium sheet (3) of fixed load circuit plate respectively, casing (1)
Bottom is provided with fixed power source, and fixed power source is that direct fault location case and tested exemplar are powered；
Fuse (7), faulty circuit plate external connection port (8), faulty circuit switching plate group are provided with direct fault location circuit board (5)
(9), resistance (10), the connector terminals (11) of direct fault location plate, potentiometer (12), direct fault location circuit power and ground interface
(13)；
Wire harness switching circuit board (14) is arranged in fixed pallet, and wire harness switching circuit board (14) is provided with the connector of pinboard
Terminal (141), Interface Terminal (142) corresponding with VCU and load circuit plate, wherein, the connector terminals (141) of pinboard with
The connector terminals (11) of direct fault location plate connect by the way that wire harness is corresponding；
Load circuit is load circuit plate (6), and load circuit plate (6) connects CAN communication circuit by wire respectively, input is opened
Powered-down road, relay unit circuit, direct current generator and potentiometer load circuit are connected with load circuit plate with wire respectively, load electricity
Load circuit plate outlet (16), volometer installing port (17), potentiometer load (18), guarantor are provided with road plate (6)
Terminal (21), the direct current that dangerous silk (19), emitting led group (20), the connection potentiometer load of load circuit plate and relay load
Machine load (22), switches set (23).
2. direct fault location case according to claim 1, it is characterised in that：Switches set circuit is switches set (23), by more
The circuit of individual switch composition, including LED power switch, for controlling emitting led general supply；Low level input switch and high level
Input switch, for sending signal to VCU level detections pin.
3. direct fault location case according to claim 1, it is characterised in that：Input switching circuit includes button switch, stirred
Switch, ship type switch and key switch in any one.
4. direct fault location case according to claim 1, it is characterised in that：Emitting led circuit is emitting led group (20),
By the emitting led LED array formed of multiple series resistances, break-make is controlled by relay unit circuit, it act as reacting relay
Device state, simulate real vehicle electric appliance load.
5. direct fault location case according to claim 1, it is characterised in that：Relay group load circuit is that relay group is born
Carry circuit board (15), including the circuit of multiple relays and connector composition, connector connect all relays drive end and
Tip side, it is connected by connector with load circuit plate.
6. direct fault location case according to claim 5, it is characterised in that：Relay group load circuit plate (15) is arranged on case
In vivo, relay (151), the relay being provided with relay group load circuit plate (15) on relay load circuit plate load
The connection terminal (152) of circuit board and load circuit plate.
7. direct fault location case according to claim 1, it is characterised in that：Potentiometer load circuit, its potentiometer include single
Join any one in potentiometer, duplex potentiometer, single-turn potentiometer and multiturn potentiometer, act as simulating real vehicle sensor work
Make, analog acquisition signal is provided for VCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980513.7A CN107544476A (en) | 2017-10-19 | 2017-10-19 | A kind of direct fault location case for pure electronic entire car controller functional safety experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980513.7A CN107544476A (en) | 2017-10-19 | 2017-10-19 | A kind of direct fault location case for pure electronic entire car controller functional safety experiment |
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| Publication Number | Publication Date |
|---|---|
| CN107544476A true CN107544476A (en) | 2018-01-05 |
Family
ID=60968142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710980513.7A Pending CN107544476A (en) | 2017-10-19 | 2017-10-19 | A kind of direct fault location case for pure electronic entire car controller functional safety experiment |
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| CN (1) | CN107544476A (en) |
Cited By (1)
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| CN108462616A (en) * | 2018-03-29 | 2018-08-28 | 北京润科通用技术有限公司 | A kind of fault injection device and fault filling method |
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Application publication date: 20180105 |