CN209560362U - The test macro of vehicle - Google Patents
The test macro of vehicle Download PDFInfo
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- CN209560362U CN209560362U CN201920499602.4U CN201920499602U CN209560362U CN 209560362 U CN209560362 U CN 209560362U CN 201920499602 U CN201920499602 U CN 201920499602U CN 209560362 U CN209560362 U CN 209560362U
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Abstract
This disclosure relates to a kind of test macro of vehicle.The system comprises: VCU HIL test equipment is connect with the VCU of vehicle, for carrying out functional test to VCU；First control cabinet is connect with VCU HIL test equipment, for receiving the load command of VCU HIL test equipment transmission；First dynamometer machine, first control cabinet is connected by the first driving motor of the first dynamometer machine and vehicle, the load command that first dynamometer machine is used to be forwarded according to the first control cabinet is run, and it is loaded on the first driving motor, wherein, VCU is connect with the MCU of vehicle and BMS respectively, for being communicated respectively with MCU and BMS.In this way, when carrying out the functional test of three electric controllers, can the function to three electric controllers and motor comprehensively tested, between each controller logical relation and correlation signal verify, larger difference when avoiding individually testing each controller, with real vehicle situation.Therefore, test result is more accurate.
Description
Technical field
This disclosure relates to vehicle testing field, and in particular, to a kind of test macro of vehicle.
Background technique
Electric vehicle belongs to technology-intensive type and trades with a concentration of capital.Nowadays electric vehicle development wins initial success, also really
It gains satisfactory achievement in fact, so many consumers start to favor electric vehicle, starts to understand electric vehicle.
Three electric systems of electric vehicle refer to the electric control system of electric vehicle, power battery management system, vehicle
Controller system.Three electric controllers refer to entire car controller (Vehicle Control Unit, VCU), drive motor controller
(Moter Control Unit, MCU) and battery management system (Battery Management System, BMS).Vehicle three
Electric controller needs are debugged repeatedly during research and development, are demarcated, verifying, and can execute layout strategy well.
For the measuring technology of three electric controllers, VCU hardware in loop (Hardware-in- is generally used in the related technology
The-Loop, HIL) test equipment individually tests the function of VCU, and MCUHIL test equipment individually tests MCU,
BMSHIL test equipment individually tests BMS.The scheme of test is all independent from each other.
Utility model content
A kind of test macro for the vehicle that purpose of this disclosure is to provide test results is accurate, system reliability is high.
To achieve the goals above, the disclosure provides a kind of test macro of vehicle, the system comprises: entire car controller
Hardware in loop VCU HIL test equipment, connect with the entire car controller VCU of the vehicle, for carrying out function survey to the VCU
Examination；First control cabinet is connect with the VCU HIL test equipment, the load sent for receiving the VCU HIL test equipment
Instruction；First dynamometer machine, first control cabinet are connect by first dynamometer machine with the first driving motor of the vehicle,
The load command that first dynamometer machine is used to be forwarded according to first control cabinet is run, and is loaded into the first driving electricity
On machine, wherein the VCU is connect with the drive motor controller MCU of the vehicle and battery management system BMS respectively, is used for
It is communicated respectively with the MCU and the BMS.
Optionally, it is connected between first dynamometer machine and first driving motor by the first retarder.
Optionally, the system also includes the second dynamometer machines, lead between first control cabinet and first retarder
Cross the second dynamometer machine connection.
Optionally, the system also includes third dynamometer machine and the 4th dynamometer machine, first control cabinet passes through institute respectively
It states third dynamometer machine and connects the second retarder with the 4th dynamometer machine, second retarder connects the second driving motor, institute
It states third dynamometer machine and the 4th dynamometer machine is used to apply to second retarder and load, second driving motor is used for
Driving force is provided to vehicle by second retarder.
Optionally, the system also includes the second control cabinet and the 5th dynamometer machine, the VCU HIL test equipment is successively led to
It crosses second control cabinet and the 5th dynamometer machine is connect with third driving motor, the third driving motor is used for described
Vehicle provides driving force.
Optionally, the system also includes: the first temperature and humidity control box connect with the VCU HIL test equipment, is used for
In response to the control signal that the VCU HIL test equipment is sent, the temperature and humidity of the VCU local environment is controlled.
Optionally, the system also includes: the second temperature and humidity control box connect with the VCU HIL test equipment, is used for
In response to the control signal that the VCU HIL test equipment is sent, the driving motor in the vehicle is controlled, driving motor controls
The temperature and humidity of both devices local environment.
Optionally, the system also includes: third temperature and humidity control box connect with the VCU HIL test equipment, is used for
In response to the control signal that the VCU HIL test equipment is sent, battery pack in the vehicle, battery management system two are controlled
The temperature and humidity of person's local environment.
Optionally, the system also includes drive motor controller hardware in loop MCU HIL test equipments, with the VCU
The connection of HIL test equipment, the control instruction for being sent according to the VCU HIL test equipment generate first driving motor
Emulation mode, and feed back to the VCU HIL test equipment.
Optionally, the system also includes battery management system hardware in loop BMS HIL test equipments, with the VCU
The connection of HIL test equipment, the control instruction for being sent according to the VCU HIL test equipment generate the battery pack of the vehicle
Emulation mode, and feed back to the VCU HIL test equipment.
Through the above technical solutions, according to the load command of VCU HIL test equipment, the first control cabinet is automatically controlled to the
One dynamometer machine forwards load command, and the load being loaded on the first driving motor of vehicle is tested according to VCU HIL
Strategy in equipment is adjusted, meanwhile, MCU and BMS are respectively by the control of VCU.In this way, the function of carrying out three electric controllers is surveyed
When examination, can the function to three electric controllers and motor comprehensively tested, between each controller logical relation and
Correlation signal is verified, larger difference when avoiding individually testing each controller, with real vehicle situation.Therefore, it surveys
Test result is more accurate.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1-Fig. 9 be respectively exemplary embodiment provide vehicle test macro block diagram；
The schematic diagram of Figure 10-Figure 12 connection relationship between each component when being the test of exemplary embodiment offer respectively.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
As described above, in the related technology, each controller in three electric controllers is independent by its corresponding HIL test equipment
Test, in this way, can not carry out between each controller logical relation verifying and correlation signal verifying and real vehicle situation it is poor
It is different larger.In order to overcome the defect, the disclosure provides a kind of test macro of vehicle.
Fig. 1 is the block diagram of the test macro for the vehicle that an exemplary embodiment provides.As shown in Figure 1, the test system of vehicle
System includes VCU HIL test equipment, the first control cabinet and the first dynamometer machine.
The VCU of VCU HIL test equipment and vehicle connection, for carrying out functional test to VCU；First control cabinet and VCU
HIL test equipment connection, for receiving the load command of VCU HIL test equipment transmission；First control cabinet passes through the first measurement of power
The connection of first driving motor of machine and vehicle, the load command that the first dynamometer machine is used to be forwarded according to the first control cabinet are run, and
It is loaded on the first driving motor.Wherein, VCU connects with the drive motor controller MCU of vehicle and battery management system BMS respectively
It connects, for being communicated respectively with MCU and BMS.
In test, can use the battery pack in vehicle is MCU and driving motor (including the first above-mentioned driving electricity
Machine and other driving motors hereinafter) power supply.Battery pack charging/discharging apparatus can be had in vehicle, filled for battery pack
Electric discharge.Battery pack charging/discharging apparatus can be connect with BMS HIL test equipment.
For convenience, hereinafter, VCU HIL test equipment is referred to as VCU HIL, and MCU HIL test equipment is referred to as
For MCU HIL, BMS HIL test equipment is referred to as BMS HIL.
In the disclosure, using VCU HIL as the main platform of test.HIL test software in VCU HIL simulates the virtual of VCU
Vehicle running environment (for example, battery, motor, road load, pilot model), and functional test is carried out to VCU.VCU can be with
MCU and BMS are sent to by low pressure and CAN line according to the various control logics that real vehicle situation calculates.
VCU HIL calculate various control signals and feedback signal can be sent to by low pressure and CAN line MCU HIL and
BMS HIL.The load informations such as road of HIL test software simulation in VCU HIL pass through connection (for example, CAN line) and the
One control cabinet is attached, and the VCU HIL load calculated automatically is sent to the first control cabinet.And in the related art, this
The load signal needs of one control cabinet are separately provided manually.
First control cabinet can control the load of the first dynamometer machine simulation vehicle according to load information, be loaded into driving vehicle
On first driving motor of operation.MCU can control the operation of the first driving motor after the control signal for receiving VCU transmission.
Battery pack (or battery simulator) can provide high voltage power supply to MCU.
Through the above technical solutions, according to the load command of VCU HIL test equipment, the first control cabinet is automatically controlled to the
One dynamometer machine forwards load command, and the load being loaded on the first driving motor of vehicle is tested according to VCU HIL
Strategy in equipment is adjusted, meanwhile, MCU and BMS are respectively by the control of VCU.In this way, the function of carrying out three electric controllers is surveyed
When examination, can the function to three electric controllers and motor comprehensively tested, between each controller logical relation and
Correlation signal is verified, larger difference when avoiding individually testing each controller, with real vehicle situation.Therefore, it surveys
Test result is more accurate.
In this embodiment, the first dynamometer machine can directly be connect with the first driving motor, at this point, the first dynamometer machine is height
Fast dynamometer machine.In addition, the first dynamometer machine can be height when the first dynamometer machine connects the first driving motor by the first retarder
Speed or Resarches into Low-Speed Dynamometer.Fig. 2 is the block diagram of the test macro for the vehicle that another exemplary embodiment provides.As shown in Fig. 2, scheming
On the basis of 1, connected between the first dynamometer machine and the first driving motor by the first retarder.By the way that corresponding control plan is arranged
Slightly, the power on the first dynamometer machine can be regarded to the power of load consumed by wheel as.
In above-described embodiment, including a dynamometer machine, two dynamometer machines can also be connected on the first retarder.Fig. 3 is
The block diagram of the test macro for the vehicle that another exemplary embodiment provides.As shown in figure 3, the system may be used also on the basis of Fig. 2
To include the second dynamometer machine.It is connected between first control cabinet and the first retarder by the second dynamometer machine.First dynamometer machine and
Power on two dynamometer machines can regard the power of consumed load on two wheels as respectively.In this way, being corresponded to by setting
Control strategy, the load on two wheels can be simulated simultaneously.
Fig. 4 is the block diagram of the test macro for the vehicle that another exemplary embodiment provides.As shown in figure 4, on the basis of Fig. 3
On, which can also include third dynamometer machine and the 4th dynamometer machine.First control cabinet passes through third dynamometer machine and the 4th respectively
Dynamometer machine connects the second retarder, and the second retarder connects the second driving motor.Third dynamometer machine and the 4th dynamometer machine be used for
Second retarder applies load.Second driving motor is used to provide driving force to vehicle by the second retarder.In the embodiment
In, four simulated wheels of vehicle can be loaded respectively by four dynamometer machines.First driving motor and the second driving motor
Two driving motors may be respectively used for the rear axle and front axle of driving vehicle.
Fig. 5 is the block diagram of the test macro for the vehicle that another exemplary embodiment provides.As shown in figure 5, on the basis of Fig. 4
On, which further includes the second control cabinet and the 5th dynamometer machine, and VCU HIL test equipment passes sequentially through the second control cabinet and the 5th
Dynamometer machine is connect with third driving motor.Third driving motor is used to provide driving force to vehicle.Wherein, third driving motor can
To be the driving motor for individually bringing test, second control cabinet and the 5th dynamometer machine can be used for testing third driving electricity
The feature of this individual components of machine.In the embodiment, by drawing the branch of an independent driving motor of test, so that this is
System can be while testing vehicle, moreover it is possible to test the characteristic of an independent driving motor, testing efficiency
It is higher.
Wherein, the 5th dynamometer machine can be similar to the first dynamometer machine in Fig. 1, can be high speed dynamometer machine.Third is driven
Dynamic motor is similar to the first driving motor function in Fig. 1.
Also, in Fig. 5, the 5th dynamometer machine and the first dynamometer machine, the second dynamometer machine, third dynamometer machine, the 4th dynamometer machine phase
In conjunction with the load before and after retarder can be tested out, to calculate the efficiency that driving motor exports at retarder end.Specifically,
VCU can control the first driving motor, the second driving motor and third driving motor output power having the same.First measurement of power
Machine can detecte out the output power of the first retarder.The output power of first retarder and the output power of third driving motor
Ratio, be exactly the efficiency that the first driving motor exports at the first retarder end.
When three electric controllers to vehicle are tested, can also be tested under different environmental conditions.Again
In one embodiment, which can also include the first temperature and humidity control box.
First temperature and humidity control box is connect with VCU HIL test equipment, for what is sent in response to VCU HIL test equipment
Signal is controlled, the temperature and humidity of VCU local environment is controlled.First temperature and humidity control box can cover VCU.First temperature and humidity control
The control signal that case processed can be sent according to VCU HIL test equipment control temperature, humidity raises and reduces, also, will work as
Preceding temperature and humidity feeds back to VCU HIL.
In another embodiment, which can also include the second temperature and humidity control box.
Second temperature and humidity control box is connect with VCU HIL test equipment, for what is sent in response to VCU HIL test equipment
Control signal, the temperature and humidity of both driving motor, MCU in control vehicle local environments.Second temperature and humidity control box can
To cover driving motor and MCU.The control signal that second temperature and humidity control box can be sent according to VCU HIL test equipment controls
Temperature, humidity raise and reduce, also, Current Temperatures and humidity are fed back to VCU HIL.
In another embodiment, which can also include third temperature and humidity control box.
Third temperature and humidity control box is connect with VCU HIL test equipment, for what is sent in response to VCU HIL test equipment
Control signal, the temperature and humidity of both battery pack, BMS in control vehicle local environments.Third temperature and humidity control box can be with
Cover battery pack and BMS.The control signal that third temperature and humidity control box can be sent according to VCU HIL test equipment controls temperature
Degree, humidity raise and reduce, also, Current Temperatures and humidity are fed back to VCU HIL.
In such manner, it is possible to testing under different environmental conditions three electric controllers of vehicle.
In the above-described embodiments, true MCU and true BMS can be used in testing.In other embodiments, may be used
To be switched to the virtual state of MCU and the virtual state of BMS.
Fig. 6 is the block diagram of the test macro for the vehicle that another exemplary embodiment provides.As shown in fig. 6, the system may be used also
To include MCU HIL.MCU HIL can be connect with VCU HIL, and the control instruction for being sent according to VCU HIL generates first
The emulation mode of driving motor, and feed back to VCU HIL.
Fig. 7 is the block diagram of the test macro for the vehicle that another exemplary embodiment provides.As shown in fig. 7, the system may be used also
To include BMS HIL.BMS HIL can be connect with VCU HIL, and the control instruction for being sent according to VCU HIL generates vehicle
Battery pack emulation mode, and feed back to VCU HIL.
Fig. 8 is the block diagram of the test macro for the vehicle that another exemplary embodiment provides.As shown in figure 8, system can be same
When include MCU HIL and BMS HIL.
In the disclosure, using VCU HIL as the main platform of test.Test platform of MCU HIL and the BMS HIL as auxiliary,
The emulation of simulation is provided for test.
Fig. 9 is the block diagram of the test macro for the vehicle that another exemplary embodiment provides.The embodiment of the Fig. 9 be Fig. 5 and
The combination of Fig. 8 embodiment.
The schematic diagram of Figure 10-Figure 12 connection relationship between each component when being the test of exemplary embodiment offer respectively.In
In the embodiment of Figure 10, the first driving motor can be individual driving motor, the high-speed motor being also possible in vehicle.Scheming
In 11 embodiment, the first driving motor and the second driving motor can be and be respectively used to the two of driving front axle and rear axle in vehicle
A driving motor, and can there is no MCU HIL.In the fig. 12 embodiment, the first driving motor and the second driving motor can
To be two driving motors for being respectively used to driving front axle and rear axle in vehicle.Third driving motor can be individually test device
The driving motor of characteristic.
In conclusion the disclosure is able to carry out three electric controllers (VCU, BMS, MCU) and motor, motor and gearbox dynamic
The functional performance of the integrated system of assembly is tested, and be can make up for it and can only be carried out partial function test in traditional test scheme,
Or test integrity degree is not enough and the incomplete defect of test condition, thus carried out the system of product, comprehensively, efficient survey
Examination, improves product quality.It thus provides under a kind of complex environment multi-functional more performances testing scheme.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of test macro of vehicle, which is characterized in that the system comprises:
Entire car controller hardware in loop VCU HIL test equipment, connect with the entire car controller VCU of the vehicle, for institute
It states VCU and carries out functional test；
First control cabinet is connect with the VCU HIL test equipment, for receiving the negative of the VCU HIL test equipment transmission
Carry instruction；
First dynamometer machine, first control cabinet are connect by first dynamometer machine with the first driving motor of the vehicle,
The load command that first dynamometer machine is used to be forwarded according to first control cabinet is run, and is loaded into the first driving electricity
On machine, wherein the VCU is connect with the drive motor controller MCU of the vehicle and battery management system BMS respectively, is used for
It is communicated respectively with the MCU and the BMS.
2. system according to claim 1, which is characterized in that between first dynamometer machine and first driving motor
It is connected by the first retarder.
3. system according to claim 2, which is characterized in that the system also includes:
Second dynamometer machine is connected between first control cabinet and first retarder by second dynamometer machine.
4. system according to claim 3, which is characterized in that the system also includes third dynamometer machines and the 4th measurement of power
Machine, first control cabinet connect the second retarder with the 4th dynamometer machine by the third dynamometer machine respectively, and described
Two retarders connect the second driving motor, the third dynamometer machine and the 4th dynamometer machine for applying to second retarder
Loading, second driving motor are used to provide driving force to the vehicle by second retarder.
5. system according to claim 4, which is characterized in that the system also includes the second control cabinets and the 5th measurement of power
Machine, the VCU HIL test equipment passes sequentially through second control cabinet and the 5th dynamometer machine and third driving motor connects
It connects, the third driving motor is used to provide driving force to the vehicle.
6. system according to claim 1, which is characterized in that the system also includes:
First temperature and humidity control box is connect with the VCU HIL test equipment, in response to the VCU HIL test equipment
The control signal of transmission controls the temperature and humidity of the VCU local environment.
7. system according to claim 1, which is characterized in that the system also includes:
Second temperature and humidity control box is connect with the VCU HIL test equipment, in response to the VCU HIL test equipment
The control signal of transmission controls both driving motor in the vehicle, drive motor controllers temperature of local environment and wet
Degree.
8. system according to claim 1, which is characterized in that the system also includes:
Third temperature and humidity control box is connect with the VCU HIL test equipment, in response to the VCU HIL test equipment
The control signal of transmission controls the temperature and humidity of both battery pack in the vehicle, battery management systems local environment.
9. system described in any claim in -8 according to claim 1, which is characterized in that the system also includes:
Drive motor controller hardware in loop MCU HIL test equipment, connect with the VCU HIL test equipment, is used for basis
The control instruction that the VCU HIL test equipment is sent generates the emulation mode of first driving motor, and feeds back to described
VCU HIL test equipment.
10. system described in any claim in -8 according to claim 1, which is characterized in that the system also includes:
Battery management system hardware in loop BMS HIL test equipment, connect with the VCU HIL test equipment, for according to institute
The emulation mode that the control instruction that VCU HIL test equipment is sent generates the battery pack of the vehicle is stated, and feeds back to the VCU
HIL test equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499602.4U CN209560362U (en) | 2019-04-11 | 2019-04-11 | The test macro of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499602.4U CN209560362U (en) | 2019-04-11 | 2019-04-11 | The test macro of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560362U true CN209560362U (en) | 2019-10-29 |
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ID=68312370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920499602.4U Active CN209560362U (en) | 2019-04-11 | 2019-04-11 | The test macro of vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN209560362U (en) |
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2019
- 2019-04-11 CN CN201920499602.4U patent/CN209560362U/en active Active
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