CN107885190B - A kind of electric car function test system - Google Patents
A kind of electric car function test system Download PDFInfo
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- CN107885190B CN107885190B CN201711128213.2A CN201711128213A CN107885190B CN 107885190 B CN107885190 B CN 107885190B CN 201711128213 A CN201711128213 A CN 201711128213A CN 107885190 B CN107885190 B CN 107885190B
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- hil
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- bob
- electric car
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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
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention provides a kind of electric car function test system, is related to electric car pilot production technical field, comprising: host computer；The the first CAN communication module and HIL signal output module being connect respectively with host computer；The BOB controller being connect respectively with the first CAN communication module and HIL signal output module；BOB controller is also connect with the electronic control unit of electric car to be tested and vehicle electrical appliance respectively；Wherein, host computer is used to export gate control signal by the first CAN communication module to the BOB controller, exports HIL signal to BOB controller by HIL signal output module；BOB controller is used for according to gate control signal, and control vehicle electrical appliance is connected to or disconnects with electronic control unit and vehicle electrical appliance is disconnected or is connected to HIL signal output module.The solution of the present invention realizes automatic test electric car function, improves testing efficiency.
Description
Technical field
The invention belongs to electric car pilot production technical fields, more particularly, to a kind of electric car functional test system
System.
Background technique
During electric car test development, real vehicle functional test is a critically important job, no matter traditional vapour
Oily vehicle or pure electric automobile all using real vehicle functional test as must item be applied in automobile research.
The prior art, when testing real vehicle function, mainly by manually controlling electronic control unit and vehicle
Signal on-off between electrical appliance, can not achieve automation control, described when can not detect the two connection moment and disconnect moment
The output signal of electronic control unit, and analog simulation test can not be carried out.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of electric car function test system, to solve the prior art
In, the problem of cannot achieve automatic test in electric car functional test.
To achieve the goals above, the embodiment of the invention provides a kind of electric car function test systems, comprising:
Host computer；
Connect respectively with the host computer the first controller LAN (Controller Area Network, referred to as:
CAN) communication module and hardware-in-loop simulation (Hardware In The Loop, referred to as: HIL) signal output module；
Terminal box (the Break Out being connect respectively with the first CAN communication module and the HIL signal output module
Box, referred to as: BOB) controller；
The BOB controller is also connect with the electronic control unit of electric car to be tested and vehicle electrical appliance respectively；
Wherein, the host computer is used to control by the first CAN communication module output gate control signal to the BOB
Device processed exports HIL signal to the BOB controller by the HIL signal output module；
The BOB controller is used to control the vehicle electrical appliance and the electronics control according to the gate control signal
Unit connection or disconnection processed and the vehicle electrical appliance are disconnected or are connected to the HIL signal output module.
Wherein, the electric car function test system further include: connect respectively with the host computer and the BOB controller
The signal pickup assembly connect；The host computer is also used to receive and process the signal of the signal pickup assembly acquisition.
Wherein, the BOB controller includes: the second CAN communication module, is connect respectively with the second CAN communication module
Multiple relays；
Wherein, the control terminal of each relay is connect 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 connect with the vehicle electrical appliance；
First normally opened contact of the first via of the relay is connect with the HIL signal output module；
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 controller further include: multiple resistance, each resistance (R) one end ground connection, the other end with
Second normally opened contact on the second tunnel of one relay connects.
Wherein, the signal pickup assembly is connect with the normally-closed contact of the first via of each relay respectively；
Wherein, the signal pickup assembly is used to acquire the connection wink of the electronic control unit Yu the vehicle electrical appliance
Between, disconnect moment, connected state and when off-state, the signal of the electronic control unit output.
Wherein, be provided on the shell of the BOB controller it is multiple be used to indicate the electronic control unit with it is described whole
First movable contact of the indicator light of vehicular electrical appliance connection status, each indicator light and relay and the first via
Normally-closed contact connection.
Wherein, be additionally provided on the shell of the BOB controller respectively with the first movable contact of each relay and
The detection mouth that the normally-closed contact of the first via is correspondingly connected with.
Wherein, the detection mouth is H-type detection mouth.
Wherein, the host computer includes:
For generating the gating control module of gate control signal；
For generating the HIL signal generation module of HIL signal；
For handling the signal processing module of the signal received；
Wherein, the gating control module is connect with the first CAN communication module, and the gating of generation is controlled letter
Number output is to the first CAN communication module；
The HIL signal generation module is connect with the HIL signal output module；The HIL signal of generation is exported
To the HIL signal output module；
The signal processing module is connect with the signal pickup assembly, receives and processes the signal pickup assembly acquisition
Signal.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
The electric car function test system of the embodiment of the present invention is realized by the on-off of PC control BOB controller
The on-off of automation control electronic control unit and vehicle electrical appliance is during the test adopted by PC control signal
The signal in each channel of acquisition means automation collection, realization accurately acquires the signal in each channel in time, and carries out letter by host computer
Number processing, formed test report；The HIL signal for being input to vehicle electrical appliance is generated by the HIL signal generation module of host computer,
Analog simulation test is realized, accurately determines the maximum conditions that each vehicle electrical appliance works normally.
Detailed description of the invention
Fig. 1 is the first schematic diagram of the electric car function test system of the embodiment of the present invention；
Fig. 2 is the second schematic diagram of the electric car function test system of the embodiment of the present invention；
Fig. 3 is the third schematic diagram of the electric car 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 that connect with other component.
Description of symbols:
1- host computer, 11- gate control module, 12-HIL signal generation module, 13- signal processing module, the first CAN of 2-
Communication module, 3-HIL signal output module, 4-BOB controller, 41- the second CAN communication module, 42- relay, R- resistance,
The first movable contact of 421-, 422- normally-closed contact, the first normally opened contact of 423-, the second movable contact of 424-, the second normally opened contact of 426-,
427- control terminal, 5- signal pickup assembly, 6- electronic control unit, 7- vehicle electrical appliance.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
When the embodiment of the present invention is directed to existing electric car functional test, it is single to cannot achieve automation control electronic control
The on-off of member and vehicle electrical appliance, and cannot achieve analog simulation test, a kind of electric car function test system is provided,
Testing efficiency is improved, outputting and inputting for accurate control signal is realized.
As shown in Figure 1, the electric car 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 connect respectively with the host computer 1
Signal output module 3；
The terminal box BOB controller being connect respectively with the first CAN communication module 2 and the HIL signal output module 3
4；
The BOB controller 4 is also connect with the electronic control unit 6 of electric car to be tested and vehicle electrical appliance 7 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 exports HIL signal to the BOB controller 4 by the HIL signal output module 3；
The BOB controller 4 is used to control the vehicle electrical appliance 7 and the electronics according to the gate control signal
The connection of control unit 6 or disconnection and the vehicle electrical appliance 7 are disconnected or are connected to the HIL signal output module 3.
As shown in the above, the BOB controller 4 is connected on the vehicle electrical appliance 7 and the electronic control unit 6
Between, tester carries out human-computer interaction with the electric car function test system by the host computer 1, passes through program pair
The BOB controller 4 is controlled, and so that the electronic control unit 6 is connected to or is disconnected with the vehicle electrical appliance 7, is realized
The on-off of electronic control unit 6 described in automation control and the vehicle electrical appliance 7, improves testing efficiency, reduces test
Cost.
Further, as shown in Fig. 2, the electric car function test system further include:
The signal pickup assembly 5 being connect respectively with the host computer 1 and the BOB controller 4；The host computer 1 is also used
In the signal for receiving and processing the acquisition of signal pickup assembly 5.
Specifically, the signal pickup assembly 5 is used in the electric car function test system to the electric car
When carrying out functional test, the signal in each channel is acquired in real time, and the signal of acquisition is sent to the host computer 1；Wherein, described
Signal pickup assembly 5 can be data acquisition card.
Further, as shown in figure 3, the host computer 1 includes: to control mould for generating the gating of gate control signal
Block 11；For generating the HIL signal generation module 12 of HIL signal；For handling the signal processing module 13 of the signal received.
Specifically, the gating control module 11 is connect 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 signal is controlled, tester is realized and controlled the gating in each channel, avoided tester and passed through by operation program
Switch is manually adjusted, each channel gating is made and is disconnected, automation is realized from control, improves testing efficiency, reduce test
Cost.
Specifically, the HIL signal generation module 12 is connect with the HIL signal output module 3；It will be described in generation
HIL signal is exported to the HIL signal output module 3.Wherein, the HIL signal is emulated analog signal, described for simulating
The control signal that electronic control unit 6 exports realizes the test of the maximum conditions worked normally to each vehicle electrical appliance 7.
Here, the HIL signal generation module 12 can be the operation program being mounted on the host computer 1, pass through fortune
The row program, can be realized the function of generating HIL signal；The HIL signal output module 3 can be signal acquiring board card, institute
It states signal acquiring board clamping and receives the HIL signal that the HIL signal generation module 12 exports, and be converted to corresponding electric signal,
It exports to the BOB controller 4.
The signal processing module 13 is connect with the signal pickup assembly 5, receives and processes the signal pickup assembly 5
The signal of acquisition.When carrying out functional test to the electric car, the signal pickup assembly 5 acquires the letter in each channel in real time
Number, and the signal processing module 13 into the host computer 1 is exported, the signal acquisition is filled by the signal processing module 13
The signal for setting 5 acquisitions is handled and is integrated, and finally when testing completion, provides test report automatically by the host computer 1, real
Now automate the accurate control to each signal.
Specifically, the BOB controller 4 includes: the 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 terminal and multiple output ends, institute
The input terminal for stating the second CAN communication module 41 is connect by CAN bus with the output end of the first CAN communication module 2, is realized
Gate control signal is exported to the BOB controller 4；The second CAN communication module 41 carries gating for what is received
The message of control signal is parsed, and is converted to electric signal, output to relay 42 corresponding with gate control signal, control
It makes the relay 42 to be acted accordingly, the paths is made to be connected to or disconnect.
Here, it should be noted that Fig. 3 is the schematic diagram of the electric car function test system, illustrates only two-way
Channel, the BOB controller 4 in the embodiment of the present invention may include multi channel selecting channel.
Specifically, as shown in Figure 3 and Figure 4, the relay 42 is two-way relay；The control terminal of the relay 42
427 connect with an output end of the second CAN communication module 41.
First movable contact 421 of the first via of the relay 42 is connect with the vehicle electrical appliance 7；
First normally opened contact 423 of the first via of the relay 42 is connect with the HIL signal output module 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 electronics
Control unit 6 connects.
In this way, the gating control module 11 passes through described during carrying out functional test to the electric car
First CAN communication module 2 and the second CAN communication module 41 export described in the first gate control signal to respective channel after
Electric appliance 42, the vehicle electrical appliance 7 being connect with first movable contact 421 and the electronic control being connect with the normally-closed contact 422
Unit 6 is connected to, and the electronic control unit 6 outputs control signals to the vehicle electrical appliance 7,7 basis of vehicle electrical appliance
The control signal executes corresponding movement, 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 is 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
The relay 42 of second gate control signal to respective channel out, the vehicle electricity consumption being connect with first movable contact 421
Device 7 and the electronic control unit 6 connecting with the normally-closed contact 422 disconnect, and the vehicle electrical appliance 7 and with described first often
Contact 423 is opened to be connected to the HIL signal output module 3；The vehicle electrical appliance 7 is defeated according to the HIL signal output module 3
HIL signal out is acted accordingly.
Specifically, the signal pickup assembly 5 connects with the normally-closed contact 422 of the first via of each relay 42 respectively
It connects；During the test, the signal pickup assembly 5 is used to acquire the electronic control unit 6 and the vehicle electrical appliance 7
It is connected to moment, disconnects moment, connected state and when off-state, the signal that the electronic control unit 6 exports, and by acquisition
Signal is exported to the signal processing module 13.
From the foregoing, it will be observed that making the vehicle electrical appliance 7 and the electronics by the on-off of BOB controller 4 described in process control
The connection of control unit 6 disconnects, compared with the existing technology in only the vehicle electrical appliance 7 and the electronic control unit 6 are connected
Signal acquisition when logical state or off-state is furthermore achieved to 7 powered on moment of vehicle electrical appliance and lower electric moment,
The acquisition of 6 output signal of electronic control unit is avoided 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 to, and causes to report an error, the output pin of the electronic control unit 6 is connect with a protective resistance, makes the electronics
The signal that control unit 6 takes for its sending is received by the vehicle electrical appliance 7；The specific connection type of the protective resistance
Are as follows: one end of each resistance R is grounded, second normally opened contact 426 on the second tunnel of the other end and a relay 42
Connection.
The electric car 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 7 connection status of vehicle electrical appliance are provided on the shell of device 4
Lamp, each indicator light are connect with the normally-closed contact 422 of the first movable contact 421 of relay 42 and the first via.
The above embodiment of the present invention, by using modularized design, realize to channel switch and signal input and it is defeated
Accurate control out；It is designed by the port number to the BOB controller, realizes input/output signal while acquiring；
By designing the HIL signal generation module 12, HIL signal output module 3, the analogue simulation to the electric car is realized
Test；By changing connection wiring harness, same electric car 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 car function test system of the embodiment of the present invention, in order to realize in the need for meeting automatic test
It asks, also can be realized the function in manual test when something goes wrong, be additionally provided with difference on the shell of the BOB controller 4
The H-type detection mouth being correspondingly connected with the first movable contact 421 of each relay 42 and the normally-closed contact 422 of the first via.?
In test process, tester can detect the electric signal in each channel by the detection hole, can also be examined H-type by electric wire
The shorted on both ends for surveying mouth, realizes the electronic control unit 6 in the channel and the connection of the vehicle electrical appliance 7.
Here, it should be noted that the electronic control unit 6 in the embodiment of the present invention can be with are as follows: 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 replacement
The harness of the electric car function test system realizes the function to each electronic control unit 6 and each vehicle electrical appliance 7
Test, reduces testing cost.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of electric car function test system characterized by comprising
Host computer (1)；
The the first controller area network communication module (2) and hardware-in-loop simulation HIL being connect respectively with the host computer (1)
Signal output module (3)；
The terminal box BOB controller being connect respectively with the first CAN communication module (2) and the HIL signal output module (3)
(4)；
The signal pickup assembly (5) being connect respectively with the host computer (1) and the BOB controller (4)；The host computer (1)
It is also used to receive and process the signal of the signal pickup assembly (5) acquisition；
The BOB controller (4) also connects with the electronic control unit of electric car to be tested (6) and vehicle electrical appliance (7) respectively
It connects；
Wherein, the host computer (1) is used to export gate control signal to the BOB by the first CAN communication module (2)
Controller (4) exports HIL signal to the BOB controller (4) by the HIL signal output module (3)；
The BOB controller (4) includes: the second CAN communication module (41), respectively even with the second CAN communication module (41)
The multiple relays (42) connect, the relay (42) are two-way relay；
The first movable contact (421) of the first via of the relay (42) is connect with the vehicle electrical appliance (7)；The relay
(42) the first normally opened contact (423) of the first via is connect with the HIL signal output module (3)；The relay (42)
The normally-closed contact (422) of the first via and second movable contact (424) on the second tunnel are connect with the electronic control unit (6)；
Wherein, an output end of the control terminal (427) of each relay (42) and the second CAN communication module (41)
Connection；
The BOB controller (4) is used to control the vehicle electrical appliance (7) and the electronics according to the gate control signal
Control unit (6) connection or disconnection and the vehicle electrical appliance (7) and the HIL signal output module (3) disconnect or connect
It is logical.
2. electric car function test system according to claim 1, which is characterized in that the BOB controller (4) is also wrapped
It includes: the 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) connection.
3. electric car function test system according to claim 1, which is characterized in that the signal pickup assembly (5)
It is connect respectively with the normally-closed contact (422) of the first via of each relay (42)；
Wherein, the signal pickup assembly (5) is used to acquire the electronic control unit (6) and the vehicle electrical appliance (7)
When being connected to moment, disconnecting moment, connected state and off-state, the signal of electronic control unit (6) output.
4. electric car function test system according to claim 1, which is characterized in that the shell of the BOB controller (4)
Multiple indicator lights for being used to indicate the electronic control unit (6) Yu vehicle electrical appliance (7) connection status are provided on body,
The normally-closed contact (422) of the first movable contact (421) and the first via of each indicator light and relay (42) is even
It connects.
5. electric car function test system according to claim 1, which is characterized in that the shell of the BOB controller (4)
The normally-closed contact (422) respectively with the first movable contact (421) of each relay (42) and the first via is additionally provided on body
The detection mouth being correspondingly connected with.
6. electric car function test system according to claim 5, which is characterized in that the detection mouth is H-type detection
Mouthful.
7. electric car function test system according to claim 1, which is characterized in that the host computer (1) includes:
For generating the gating control module (11) of gate control signal；
For generating the HIL signal generation module (12) of HIL signal；
For handling the signal processing module (13) of the signal received；
Wherein, the gating control module (11) connect with the first CAN communication module (2), by the gating control of generation
Signal processed is exported to the first CAN communication module (2)；
The HIL signal generation module (12) connect with the HIL signal output module (3)；The HIL signal of generation is defeated
Out to the HIL signal output module (3)；
The signal processing module (13) connect with the signal pickup assembly (5), receives and processes the signal pickup assembly
(5) signal acquired.
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| CN201711128213.2A CN107885190B (en) | 2017-11-15 | 2017-11-15 | A kind of electric car function test system |
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|---|---|---|---|
| CN201711128213.2A CN107885190B (en) | 2017-11-15 | 2017-11-15 | A kind of electric car function test system |
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| CN107885190B true CN107885190B (en) | 2019-10-18 |
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| CN108983092B (en) * | 2018-05-31 | 2020-06-30 | 北京新能源汽车股份有限公司 | Wire breaking box device, motor test assembly and motor test method |
| CN114489026B (en) * | 2022-02-15 | 2023-08-22 | 摩登汽车有限公司 | Test system of whole vehicle controller of new energy vehicle |
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