CN107885190A - A kind of electric automobile function test system - Google Patents
A kind of electric automobile function test system Download PDFInfo
- Publication number
- CN107885190A CN107885190A CN201711128213.2A CN201711128213A CN107885190A CN 107885190 A CN107885190 A CN 107885190A CN 201711128213 A CN201711128213 A CN 201711128213A CN 107885190 A CN107885190 A CN 107885190A
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- China
- Prior art keywords
- signal
- hil
- electric automobile
- bob
- controllers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
Abstract
The present invention provides a kind of electric automobile function test system, is related to electric automobile pilot production technical field, including：Host computer；The the first CAN communication module and HIL signal output modules being connected respectively with host computer；The BOB controllers being connected respectively with the first CAN communication module and HIL signal output modules；BOB controllers are also connected with the electronic control unit and vehicle electrical appliance of electric automobile to be tested respectively；Wherein, host computer is used to export gate control signal to the BOB controllers by the first CAN communication module, and HIL signals are exported to BOB controllers by HIL signal output modules；BOB controllers are used to connect or disconnect with electronic control unit according to gate control signal, control vehicle electrical appliance, and vehicle electrical appliance disconnects or connected with HIL signal output modules.The solution of the present invention realizes automatic test electric automobile function, improves testing efficiency.
Description
Technical field
The invention belongs to electric automobile pilot production technical field, more particularly, to a kind of electric automobile functional test system
System.
Background technology
During electric automobile test development, real vehicle functional test is a critically important job, no matter traditional vapour
Oily car or pure electric automobile all using real vehicle functional test as must item be applied in automobile research.
Prior art, when testing real vehicle function, mainly manually control electronic control unit and vehicle
Signal break-make between electrical appliance, it is impossible to realize Automated condtrol, can not detect both connect moment and disconnect moment when, it is described
The output signal of electronic control unit, and analog simulation test can not be carried out.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of electric automobile function test system, so as to solve prior art
In, the problem of can not realizing automatic test in electric automobile functional test.
To achieve these goals, the embodiments of the invention provide a kind of electric automobile function test system, including：
Host computer；
The first controller LAN (Controller Area Network, the abbreviation being connected respectively with the host computer：
CAN) communication module and hardware-in-loop simulation (Hardware In The Loop, abbreviation：HIL) signal output module；
Terminal box (the Break Out being connected respectively with the first CAN communication module and the HIL signal output modules
Box, referred to as：BOB) controller；
The BOB controllers are also connected with the electronic control unit and vehicle electrical appliance of electric automobile to be tested respectively；
Wherein, the host computer is used to control by the first CAN communication module output gate control signal to the BOB
Device processed, HIL signals are exported to the BOB controllers by the HIL signal output modules；
The BOB controllers are used for according to the gate control signal, control the vehicle electrical appliance and the electronics control
Unit connection processed disconnects, and the vehicle electrical appliance disconnects or connected with the HIL signal output modules.
Wherein, the electric automobile function test system also includes：Connect respectively with the host computer and the BOB controllers
The signal pickup assembly connect；The host computer is additionally operable to receive and handles the signal of the signal pickup assembly collection.
Wherein, the BOB controllers include：Second CAN communication module, it is connected respectively with the second CAN communication module
Multiple relays；
Wherein, the control terminal of each relay is connected with an output end of the second CAN communication module.
Wherein, the relay is two-way relay；
First movable contact of the first via of the relay is connected with the vehicle electrical appliance；
First normally opened contact of the first via of the relay is connected with the HIL signal output modules；
The normally-closed contact of the first via of the relay and second movable contact on the second tunnel with the electronic control unit
Connection.
Wherein, the BOB controllers also include：Multiple resistance, each resistance (R) one end ground connection, the other end with
The second normally opened contact connection on the second tunnel of one relay.
Wherein, normally-closed contact of the signal pickup assembly respectively with the first via of each relay is connected；
Wherein, the signal pickup assembly is used for the connection wink for gathering the electronic control unit and the vehicle electrical appliance
Between, disconnect moment, connected state and during off-state, the signal of the electronic control unit output.
Wherein, be provided with the housing of the BOB controllers it is multiple be used for indicate the electronic control unit with it is described whole
First movable contact of the indicator lamp of vehicular electrical appliance connection status, each indicator lamp and relay and the first via
Normally-closed contact connects.
Wherein, be additionally provided with the housing of the BOB controllers respectively with the first movable contact of each relay and
The detection mouth of the corresponding connection of the normally-closed contact of the first via.
Wherein, the detection mouth is H type detection mouths.
Wherein, the host computer includes：
For generating the gating control module of gate control signal；
For generating the HIL signal generation modules of HIL signals；
For handling the signal processing module of the signal received；
Wherein, the gating control module is connected with the first CAN communication module, and the gating of generation is controlled into letter
Number output is to the first CAN communication module；
The HIL signal generations module is connected with the HIL signal output modules；By the HIL signal outputs of generation
To the HIL signal output modules；
The signal processing module is connected with the signal pickup assembly, is received and is handled the signal pickup assembly collection
Signal.
The above-mentioned technical proposal of the present invention at least has the advantages that：
The electric automobile function test system of the embodiment of the present invention, by the break-make of PC control BOB controllers, realize
The break-make of Automated condtrol electronic control unit and vehicle electrical appliance, in test process, is adopted by PC control signal
The signal of each passage of acquisition means automation collection, realization accurately gathers the signal of each passage in time, and carries out letter by host computer
Number processing, formed test report；The HIL signals of vehicle electrical appliance are input to by the HIL signal generations module generation of host computer,
Analog simulation test is realized, accurately determines the maximum conditions of each vehicle electrical appliance normal work.
Brief description of the drawings
Fig. 1 is the first schematic diagram of the electric automobile function test system of the embodiment of the present invention；
Fig. 2 is the second schematic diagram of the electric automobile function test system of the embodiment of the present invention；
Fig. 3 is the 3rd schematic diagram of the electric automobile function test system of the embodiment of the present invention；
Fig. 4 is the relay internal structure of the embodiment of the present invention and the schematic diagram being connected with miscellaneous part.
Description of reference numerals：
1- host computers, 11- gating control modules, 12-HIL signal generation modules, 13- signal processing modules, the CAN of 2- the first
Communication module, 3-HIL signal output modules, 4-BOB controllers, 41- the second CAN communication modules, 42- relays, R- resistance,
The movable contacts of 421- first, 422- normally-closed contacts, the normally opened contacts of 423- first, the movable contacts of 424- second, the normally opened contacts of 426- second,
427- control terminals, 5- signal pickup assemblies, 6- electronic control units, 7- vehicle electrical appliances.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
When the embodiment of the present invention is directed to existing electric automobile functional test, Automated condtrol Electronic Control list can not be realized
The break-make of member and vehicle electrical appliance, and analog simulation test can not be realized, there is provided a kind of electric automobile function test system,
Testing efficiency is improved, realizes the input and output of accurate control signal.
As shown in figure 1, the electric automobile function test system of the embodiment of the present invention includes：
Host computer 1；
The the first controller area network communication module 2 and hardware-in-loop simulation HIL being connected respectively with the host computer 1
Signal output module 3；
The terminal box BOB controllers being connected respectively with the first CAN communication module 2 and the HIL signal output modules 3
4；
The BOB controllers 4 are also connected with the electronic control unit 6 and vehicle electrical appliance 7 of electric automobile to be tested respectively；
Wherein, the host computer 1 is used to export gate control signal to the BOB by the first CAN communication module 2
Controller 4, HIL signals are exported to the BOB controllers 4 by the HIL signal output modules 3；
The BOB controllers 4 are used for according to the gate control signal, control the vehicle electrical appliance 7 and the electronics
Control unit 6 is connected or disconnected, and the vehicle electrical appliance 7 disconnects or connected with the HIL signal output modules 3.
As shown in the above, the BOB controllers 4 are connected on the vehicle electrical appliance 7 and the electronic control unit 6
Between, tester carries out man-machine interaction by the host computer 1 and the electric automobile function test system, passes through program pair
The BOB controllers 4 are controlled, and the electronic control unit 6 is connected or is disconnected with the vehicle electrical appliance 7, are realized
The break-make of electronic control unit 6 described in Automated condtrol and the vehicle electrical appliance 7, improves testing efficiency, reduces test
Cost.
Further, as shown in Fig. 2 the electric automobile function test system also includes：
The signal pickup assembly 5 being connected respectively with the host computer 1 and the BOB controllers 4；The host computer 1 is also used
In the signal for receiving and handling the signal pickup assembly 5 and gather.
Specifically, the signal pickup assembly 5 is used in the electric automobile function test system to the electric automobile
When carrying out functional test, the signal of each passage is gathered in real time, and the signal of collection is sent to the host computer 1；Wherein, it is described
Signal pickup assembly 5 can be data acquisition card.
Further, as shown in figure 3, the host computer 1 includes：Gating for generating gate control signal controls mould
Block 11；For generating the HIL signal generations module 12 of HIL signals；For handling the signal processing module 13 of the signal received.
Specifically, the gating control module 11 is connected with the first CAN communication module 2, by the gating of generation
Control signal is exported to the first CAN communication module 2；Wherein, the gating control module 11 can be that can export gating
The program of control signal, tester are realized the gating control to each passage, are avoided tester and passed through by operation program
Switch is manually adjusted, makes each passage gating and disconnects, realize automation from control, improve testing efficiency, reduce test
Cost.
Specifically, the HIL signal generations module 12 is connected with the HIL signal output modules 3；By described in generation
HIL signal outputs are to the HIL signal output modules 3.Wherein, the HIL signals are emulated analog signal, described for simulating
The control signal that electronic control unit 6 exports, realizes the test of the maximum conditions to each normal work of vehicle electrical appliance 7.
Here, the HIL signal generations module 12 can be the operation program on the host computer 1, pass through fortune
The row program, can realize the function of producing HIL signals；The HIL signal output modules 3 can be signal acquiring board card, institute
State signal acquiring board clamping and receive the HIL signals that the HIL signal generations module 12 exports, and be converted to corresponding electric signal,
Export to the BOB controllers 4.
The signal processing module 13 is connected with the signal pickup assembly 5, is received and is handled the signal pickup assembly 5
The signal of collection.When carrying out functional test to the electric automobile, the signal pickup assembly 5 gathers the letter of each passage in real time
Number, and export to the signal processing module 13 in the host computer 1, the signal acquisition is filled by the signal processing module 13
The signal for putting 5 collections is handled and integrated, and finally when testing completion, test report is provided automatically by the host computer 1, real
Now automate the accurate control to each signal.
Specifically, the BOB controllers 4 include：Second CAN communication module 41, respectively with the second CAN communication module
Multiple relays 42 of 41 connections.Wherein, the second CAN communication module 41 includes an input and multiple output ends, institute
The input for stating the second CAN communication module 41 is connected by CAN with the output end of the first CAN communication module 2, is realized
Gate control signal is exported to the BOB controllers 4；The second CAN communication module 41 carries gating by what is received
The message of control signal is parsed, and is converted to electric signal, output to the relay 42 corresponding with gate control signal, control
Make the relay 42 to be acted accordingly, the paths is connected or is disconnected.
Here, it is necessary to which explanation, Fig. 3 are the schematic diagram of the electric automobile function test system, it illustrate only two-way
Passage, the BOB controllers 4 in the embodiment of the present invention can include multi channel selecting passage.
Specifically, as shown in Figure 3 and Figure 4, the relay 42 is two-way relay；The control terminal of the relay 42
427 are connected with an output end of the second CAN communication module 41.
First movable contact 421 of the first via of the relay 42 is connected with the vehicle electrical appliance 7；
First normally opened contact 423 of the first via of the relay 42 is connected with the HIL signal output modules 3；
Second movable contact 424 on the tunnel of normally-closed contact 422 and second of the first via of the relay 42 with the electronics
Control unit 6 connects.
So, during functional test is carried out to the electric automobile, the gating control module 11 is by described
First CAN communication module 2 and the second CAN communication module 41 export the first gate control signal to described in respective channel after
Electrical equipment 42, the vehicle electrical appliance 7 being connected with first movable contact 421 and the Electronic Control being connected with the normally-closed contact 422
Unit 6 connects, and the electronic control unit 6 outputs control signals to the vehicle electrical appliance 7, the basis of vehicle electrical appliance 7
The control signal performs corresponding action, and e.g., if the vehicle electrical appliance 7 is on-board air conditioner, the control signal is adjustment
To preset temperature, then the on-board air conditioner is freezed or heated according to the preset temperature.
If the gating control module 11 is defeated by the first CAN communication module 2 and the second CAN communication module 41
Go out the second gate control signal to the relay 42 of respective channel, the vehicle electricity consumption being connected with first movable contact 421
Device 7 and disconnected with the electronic control unit 6 that the normally-closed contact 422 is connected, and the vehicle electrical appliance 7 and with it is described first normal
Contact 423 is opened to connect with the HIL signal output modules 3；The vehicle electrical appliance 7 is defeated according to the HIL signal output modules 3
The HIL signals gone out are acted accordingly.
Specifically, normally-closed contact 422 of the signal pickup assembly 5 respectively with the first via of each relay 42 connects
Connect；In test process, the signal pickup assembly 5 is used to gather the electronic control unit 6 and the vehicle electrical appliance 7
Connect moment, disconnect moment, connected state and during off-state, the signal that the electronic control unit 6 exports, and by collection
Signal output is to the signal processing module 13.
From the foregoing, it will be observed that by the break-make of BOB controllers 4 described in programme-control, make the vehicle electrical appliance 7 and the electronics
Control unit 6 is connected or disconnected, relative in the prior art only the vehicle electrical appliance 7 and the electronic control unit 6 are connected
Signal acquisition when logical state or off-state, furthermore achieved that to the powered on moment of vehicle electrical appliance 7 and lower electric moment,
The collection of the output signal of electronic control unit 6, avoid in the pulse voltage of powered on moment and lower electric moment to the vehicle
The damage of electrical appliance 7 and the electronic control unit 6.
Further, in order to avoid in analog simulation test, the electronic control unit 6 due to not with the vehicle
Electrical appliance 7 is connected, and causes to report an error, and the output pin of the electronic control unit 6 is connected with a protective resistance, makes the electronics
Control unit 6 takes for the signal that it sends and received by the vehicle electrical appliance 7；The specific connected mode of the protective resistance
For：Second normally opened contact 426 on the second tunnel of each resistance R one end ground connection, the other end and a relay 42
Connection.
The electric automobile function test system of the above embodiment of the present invention, institute is accurately grasped for the ease of tester
State the connection status between electronic control unit 6 and the vehicle electrical appliance 7：Connection, disconnection or virtual connection, are controlled in the BOB
Multiple instructions for being used to indicate the electronic control unit 6 and the connection status of vehicle electrical appliance 7 are provided with the housing of device 4
Lamp, each indicator lamp are connected with the first movable contact 421 of relay 42 and the normally-closed contact 422 of the first via.
The above embodiment of the present invention, by using modularized design, realize to channel switch and signal input and defeated
The accurate control gone out；By being designed to the port number of the BOB controllers, realize input/output signal while gather；
By designing the HIL signal generations module 12, HIL signal output modules 3, the analogue simulation to the electric automobile is realized
Test；By changing rat tail, same electric automobile function test system is realized to a variety of electronic control units and a variety of
The functional test of vehicle electrical appliance, realizes versatility.
The electric automobile function test system of the embodiment of the present invention, meeting the need of automatic test to realize
Ask, can also realize the function of the manual test when going wrong, difference is additionally provided with the housing of the BOB controllers 4
The H type detection mouths of connection corresponding with the normally-closed contact 422 of the first movable contact 421 and the first via of each relay 42.
In test process, tester can detect the electric signal of each passage by the detection hole, can also be examined H types by electric wire
The shorted on both ends of mouth is surveyed, realizes the electronic control unit 6 of the passage and the connection of the vehicle electrical appliance 7.
Here, it is necessary to illustrate, the electronic control unit 6 in the embodiment of the present invention can be：Entire car controller,
Battery management system or electric machine controller etc., the vehicle electrical appliance 7 can be air-conditioning, battery pack and motor etc., pass through replacing
The wire harness of the electric automobile function test system, realize the function to each electronic control unit 6 and each vehicle electrical appliance 7
Test, reduces testing cost.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. electric automobile function test system, it is characterised in that including：Host computer (1)；The the first controller area network communication module (2) and hardware-in-loop simulation HIL being connected respectively with the host computer (1) Signal output module (3)；The terminal box BOB controllers being connected respectively with the first CAN communication module (2) and the HIL signal output modules (3) (4)；Electronic control unit (6) and vehicle electrical appliance (7) of the BOB controllers (4) also respectively with electric automobile to be tested connect Connect；Wherein, the host computer (1) is used to export gate control signal to the BOB by the first CAN communication module (2) Controller (4), HIL signals are exported to the BOB controllers (4) by the HIL signal output modules (3)；The BOB controllers (4) are used for according to the gate control signal, control the vehicle electrical appliance (7) and the electronics Control unit (6) is connected or disconnected, and the vehicle electrical appliance (7) disconnects or connected with the HIL signal output modules (3) It is logical.
- 2. electric automobile function test system according to claim 1, it is characterised in that also include：Respectively with it is described on Position machine (1) and the signal pickup assembly (5) of the BOB controllers (4) connection；The host computer (1) is additionally operable to receive and handled The signal of signal pickup assembly (5) collection.
- 3. electric automobile function test system according to claim 2, it is characterised in that BOB controllers (4) bag Include：Second CAN communication module (41), the multiple relays (42) being connected respectively with the second CAN communication module (41)；Wherein, the control terminal (427) of each relay (42) and an output end of the second CAN communication module (41) Connection.
- 4. electric automobile function test system according to claim 3, it is characterised in that the relay (42) is two-way Relay；The first movable contact (421) of the first via of the relay (42) is connected with the vehicle electrical appliance (7)；The first normally opened contact (423) of the first via of the relay (42) is connected with the HIL signal output modules (3)；The normally-closed contact (422) of the first via of the relay (42) and second movable contact (424) on the second tunnel with the electricity Sub-control unit (6) connects.
- 5. electric automobile function test system according to claim 4, it is characterised in that the BOB controllers (4) are also wrapped Include：Second tunnel of multiple resistance (R), one end ground connection of each resistance (R), the other end and a relay (42) Second normally opened contact (426) connects.
- 6. electric automobile function test system according to claim 4, it is characterised in that the signal pickup assembly (5) The normally-closed contact (422) with the first via of each relay (42) is connected respectively；Wherein, the signal pickup assembly (5) is used to gather the electronic control unit (6) and the vehicle electrical appliance (7) When connecting moment, disconnecting moment, connected state and off-state, the signal of electronic control unit (6) output.
- 7. electric automobile function test system according to claim 4, it is characterised in that the shell of the BOB controllers (4) Multiple indicator lamps for indicating the electronic control unit (6) and vehicle electrical appliance (7) connection status are provided with body, The normally-closed contact (422) of the first movable contact (421) and the first via of each indicator lamp and relay (42) is even Connect.
- 8. electric automobile function test system according to claim 3, it is characterised in that the shell of the BOB controllers (4) Be additionally provided with body respectively with the first movable contact (421) of each relay (42) and the normally-closed contact (422) of the first via The detection mouth of corresponding connection.
- 9. electric automobile function test system according to claim 8, it is characterised in that the detection mouth detects for H types Mouthful.
- 10. electric automobile function test system according to claim 2, it is characterised in that the host computer (1) includes：For generating the gating control module (11) of gate control signal；For generating the HIL signal generations module (12) of HIL signals；For handling the signal processing module (13) of the signal received；Wherein, the gating control module (11) is connected with the first CAN communication module (2), by the gating control of generation Signal output processed is to the first CAN communication module (2)；The HIL signal generations module (12) is connected with the HIL signal output modules (3)；The HIL signals of generation is defeated Go out to the HIL signal output modules (3)；The signal processing module (13) is connected with the signal pickup assembly (5), receives and handles the signal pickup assembly (5) signal of collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128213.2A CN107885190B (en) | 2017-11-15 | 2017-11-15 | A kind of electric car function test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128213.2A CN107885190B (en) | 2017-11-15 | 2017-11-15 | A kind of electric car function test system |
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| Publication Number | Publication Date |
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| CN107885190A true CN107885190A (en) | 2018-04-06 |
| CN107885190B CN107885190B (en) | 2019-10-18 |
Family
ID=61777151
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| CN201711128213.2A Active CN107885190B (en) | 2017-11-15 | 2017-11-15 | A kind of electric car function test system |
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| CN108983092A (en) * | 2018-05-31 | 2018-12-11 | 北京新能源汽车股份有限公司 | A kind of broken string box device, electromechanical testing assembly and electromechanical testing method |
| CN114489026A (en) * | 2022-02-15 | 2022-05-13 | 摩登汽车有限公司 | Test system of vehicle control unit of new energy vehicle |
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| Publication number | Publication date |
|---|---|
| CN107885190B (en) | 2019-10-18 |
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