CN215894841U - Hardware-in-the-loop rack of electric control system of electric automobile - Google Patents
Hardware-in-the-loop rack of electric control system of electric automobile Download PDFInfo
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- CN215894841U CN215894841U CN202121496140.4U CN202121496140U CN215894841U CN 215894841 U CN215894841 U CN 215894841U CN 202121496140 U CN202121496140 U CN 202121496140U CN 215894841 U CN215894841 U CN 215894841U
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Abstract
The utility model relates to a hardware-in-loop rack of an electric automobile electric control system, which comprises a power supply control system, an analog battery board card, a high-voltage power supply board card, a fault injection module, an I/O board card, an ADC/DAC board card, a communication board card and a low-voltage power supply board card, wherein the power supply control system is connected with the analog battery board card; the low-voltage power supply board card is connected to the VCU controller through the first control switch and connected to the BMS controller through the second control switch; the control end of the first control switch and the control end of the second control switch are both connected to the I/O board card; the communication board card is connected with the VCU controller and the BMS controller; the ADC/DAC board card is connected to the VCU controller and the BMS controller through the fault injection module; the I/O board card is connected to the VCU controller and the BMS controller through the fault injection module; the simulation battery board is connected to the BMS controller; the high-voltage power board is connected to the BMS controller. The hardware and software cost of the hardware-in-the-loop system is reduced, the personnel configuration of HIL bench test is reduced, and the development cost is reduced.
Description
Technical Field
The utility model relates to the technical field of bench test systems, in particular to a hardware-in-loop bench of an electric control system of an electric automobile.
Background
The hardware board cards required by the VCU hardware-in-loop simulation test bench comprise (digital input, digital output, analog input, CAN board cards, PWM board cards, a programmable power supply and fault injection board cards), the board cards required by the BMS hardware-in-loop simulation test system comprise (digital input, digital output, analog input, CAN board cards, PWM board cards, a programmable power supply, fault injection board cards, high-voltage programmable board cards, resistor board cards and a battery simulator), and the board cards required by VCU low-voltage signals CAN also be the board cards required by BMS low-voltage signals, and resources have repeatability.
New energy power control system develops to a domain controller, and the number of signals required to be managed by the power domain controller is more than that of hardware board cards required by VCU or BMS for individual management
When a VCU or BMS hardware is in a ring rack and a rack of a domain controller needs to be expanded, a hardware-in-ring simulation system needs to be purchased again due to the limitation of board card resources, the expandability is poor, and meanwhile, the purchase of VCU HIL and BMSHIL also brings high cost input for an electric control system developer.
SUMMERY OF THE UTILITY MODEL
Therefore, the hardware-in-loop rack of the electric automobile electric control system is needed to be provided, and the problem that the existing VCU or BMS hardware-in-loop rack has poor expandability and the cost for purchasing VCUHIL and BMSHIL at the same time is high is solved.
In order to achieve the purpose, the inventor provides a hardware-in-the-loop rack of an electric automobile electric control system, which comprises a power supply control system, an analog battery board card, a high-voltage power supply board card, a fault injection module, an I/O board card, an ADC/DAC board card, a communication board card and a low-voltage power supply board card;
the low-voltage power supply board card is connected to the VCU controller through the first control switch and connected to the BMS controller through the second control switch;
the control end of the first control switch and the control end of the second control switch are both connected to the I/O board card;
the communication board card is connected with the VCU controller and the BMS controller;
the ADC/DAC board card is connected to the VCU controller and the BMS controller through the fault injection module;
the I/O board card is connected to the VCU controller and the BMS controller through the fault injection module;
the simulation battery board is connected to the BMS controller;
the high-voltage power board is connected to the BMS controller.
Further optimization, still include insulating detection module, insulating detection module is connected to VAU controller and BMS controller.
Further optimize, still include the resistance integrated circuit board, the resistance integrated circuit board is connected in BMS controller.
Further optimization, a domain controller expansion reserved bit is further arranged.
Further optimizing, the fault injection module comprises a first fault injection module and a second fault injection module;
the ADC/DAC board card is connected to the VCU controller and the BMS controller through the first fault injection module;
and the I/O board card is connected to the VCU controller and the BMS controller through a second fault injection module.
Different from the prior art, according to the technical scheme, the hardware resource requirement repeatability of the VCU hardware-in-loop simulation test bench and the BMS hardware-in-loop simulation test bench is utilized, the VCU hardware-in-loop simulation test bench and the BMS hardware-in-loop simulation test bench are combined into the electric automobile electric control system hardware-in-loop bench, the single VCUHIL test or BMSHIL test can be realized, the joint test of VCU/BMS can be completed, the hardware and software cost of the hardware-in-loop system is reduced, the personnel configuration of the HIL bench test is reduced, and the development cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a hardware-in-the-loop rack of an electric vehicle electric control system according to an embodiment;
fig. 2 is another structural schematic diagram of a hardware-in-the-loop rack of an electric vehicle electronic control system according to a specific embodiment.
Description of reference numerals:
110. the device comprises a low-voltage power supply board card, 120, an I/O board card, 130, a communication board card, 140, an ADC/DAC board card, 150, a fault injection module, 151, a first fault injection module 151, 152, a second fault injection module 152, 160, an analog battery board card, 170, a high-voltage power supply board card, 180, a resistor board card, 191, a power supply control system, 192, an insulation detection module, 193 and a domain controller expansion reserved bit; 210. VCU controller, 220, BMS controller.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1-2, the embodiment provides an electric vehicle electronic control system hardware-in-the-loop rack, which includes an analog battery board 160, a high voltage power board 170, a fault injection module 150, an I/O board 120, an ADC/DAC board 140, a communication board 130, and a low voltage power supply board 110;
the low-voltage power supply board card 110 is connected to the VCU controller 210 through a first control switch, and the low-voltage power supply board card 110 is connected to the BMS controller 220 through a second control switch; when testing BMS hardware alone in the ring, low pressure power supply integrated circuit board 110 enables and provides low voltage power supply for BMS, when testing VCU hardware alone in the ring, low pressure power supply integrated circuit board 110 enables and provides low voltage power supply for VCU, when needs VCU and BMS carry out joint test, low pressure power supply integrated circuit board enables simultaneously and provides low voltage power supply for VCU and BMS.
The communication board 130 is connected to the VCU controller 210 and the BMS controller 220; in the independent test or the joint test, the communication board 130 needs to be enabled, and sends and receives messages in different projects such as the independent test or the joint test according to actual requirements of project application.
The ADC/DAC board 140 is connected to the VCU controller 210 and the BMS controller 220 through the fault injection module 150, when the BMS controller 220 is separately tested in a ring, the ADC/DAC board 140 is enabled to actually provide and collect physical signals for the BMS controller 220 according to the closed-loop control requirement of the BMS and display the physical signals on a software interface, when the VCU controller 220 is separately tested in a ring, the ADC/DAC board 140 is enabled to actually provide and collect physical signals for the VCU controller 210 and display the physical signals on a software interface according to the closed-loop control requirement of the VCU, and when the VCU controller 210 and the BMS controller 220 are jointly adjusted, the physical signals are required to be provided and collected for the VCU controller 210 and the BMS controller 220 at the same time;
the I/O board 120 is connected to the VCU controller 210 and the BMS controller 220 through the fault injection module 150, when the BMS controller 220 is separately tested in a ring, the I/O board 120 is enabled to actually provide and collect physical signals for the BMS and display the physical signals on a software interface according to the closed-loop control requirement of the BMS controller 220, when the VCU controller 210 is separately tested in a ring, the I/O board is enabled to actually provide and collect physical signals for the VCU controller 210 and display the physical signals on the software interface according to the closed-loop control requirement of the VC controller 210U, and when the VCU controller 210 and the BMS controller 220 are jointly adjusted, the physical signals need to be provided and collected for the VCU controller 210 and the BMS controller 220 at the same time;
the simulation battery board 160 is connected to the BMS controller 220, the high-voltage simulation battery board 160 is enabled when BMS hardware is tested in a loop independently, the high-voltage simulation battery board 160 is prohibited from being started when the VCU controller 210 is tested independently, and the high-voltage simulation battery board 160 is enabled to provide an actual application environment for the BMS controller 220 and support engineering test when combined test is performed;
the high-voltage power board 170 is connected to the BMS controller 220, the high-voltage power board is enabled when hardware of the BMS controller 220 is separately tested, the high-voltage power board 170 is prohibited from being started when the VCU controller 210 is separately tested, and the high-voltage power board 170 is enabled to provide a practical application environment for the BMS controller 220 and support engineering tests during combined testing.
When BMS Hardware needs to be tested in a ring independently, the VCU controller 210 and the low-voltage power supply board card 110 are disconnected through the first control switch, the power supply source of the VCU controller 210 cannot be enabled by an HIL (Hardware-in-the-Loop) rack is controlled, the BMS controller 220 and the low-voltage power supply board card 110 are connected through the second control switch, a whole vehicle dynamics closed-Loop simulation model except the BMS is built in an engineering model, the integrity of the whole vehicle dynamics model can be realized through simulation of the HIL rack on the basis of being separated from the VCU, and the BMSHIL test is supported. When VCU hardware is required to be tested in a ring independently, the BMS controller 220 and the low-voltage power supply board card 110 are disconnected through the second control switch, the power supply of the BMS controller 220 is further controlled not to be enabled by the HIL rack, the VCU controller 210 and the low-voltage power supply board card 110 are connected through the first control switch, a whole vehicle dynamics closed-loop simulation model except the VCU is built in the engineering model building, the integrity of the whole vehicle dynamics model can be realized through the simulation of the HIL rack on the basis of being separated from the BMS, and the integrated vehicle dynamics model is used for supporting VCUHIL testing. When VCU BMS allies oneself with when transferring when needs, through first control switch-on VCU controller 210 and low pressure power supply integrated circuit board 110, second control switch-on BMS controller 220 and low pressure power supply integrated circuit board 110, the HIL enables VCU BMS's power supply simultaneously, and the dynamics closed loop simulation model of other new forms of energy complete car spare parts except VCU BMS is built to the reestablishment engineering again, the control strategy of this engineering can test VCU and BMS matching nature, the operating mode of complete car is carved more repeatedly.
In this embodiment, the insulation detection of the BMS controller 220 and the VCU controller 210 may also be implemented, and the insulation detection module 192 is further included, and the insulation detection module 192 is connected to the VCU controller and the BMS controller 220.
In this embodiment, a resistor card 180 is further included, and the resistor card 180 is connected to the BMS controller 220.
In this embodiment, in order to facilitate hardware-in-loop rack extension, a domain controller extension reservation bit 193 is further provided. The expansion of the HIL part board card to the domain controller hardware-in-the-loop simulation test system can be increased through the domain controller expansion reserved bit 193.
In this embodiment, two fault injection modules 150 may be adopted to implement fault tests on the VCU controller 210 and the BMS controller 220 through the ADC/DAC board 140 and the I/O board 120, respectively, where the fault injection module 150 includes a first fault injection module 151 and a second fault injection module 152; the ADC/DAC board 140 is connected to the VCU controller 210 and the BMS controller 220 through the first fault injection module 151; the I/O board 120 is connected to the VCU controller 210 and the BMS controller 220 through the second fault injection module 152. In other embodiments, one fault injection module 150 may be used to perform fault testing on the VCU controller 210 and the BMS controller 220, and the ADC/DAC board 140 and the I/O board 120 are connected to the VCU controller 210 and the BMS controller 220 through the same fault injection module 150, so as to perform fault testing on the VCU controller 210 and the BMS controller 220.
In this embodiment, the power control system 191 is further included, and the power control system 191 is connected to the control end of the first control switch and the control end of the second control switch through the I/O board 120. The first control switch and the second control switch can be controlled by the power control system 191, so that the power supply enabling of the VCU controller 210 and the BMS controller 220 is realized, the power supply enabling of the VCU controller 210 and the BMS controller 220 can be controlled in a long distance, and the power utilization hidden danger is avoided.
It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (6)
1. A hardware-in-loop rack of an electric automobile electric control system is characterized by comprising a power supply control system, an analog battery board card, a high-voltage power supply board card, a fault injection module, an I/O board card, an ADC/DAC board card, a communication board card and a low-voltage power supply board card;
the low-voltage power supply board card is connected to the VCU controller through the first control switch and connected to the BMS controller through the second control switch;
the control end of the first control switch and the control end of the second control switch are both connected to the I/O board card;
the communication board card is connected with the VCU controller and the BMS controller;
the ADC/DAC board card is connected to the VCU controller and the BMS controller through the fault injection module;
the I/O board card is connected to the VCU controller and the BMS controller through the fault injection module;
the simulation battery board is connected to the BMS controller;
the high-voltage power board is connected to the BMS controller.
2. The electric vehicle electric control system hardware-in-the-loop rack of claim 1, further comprising an insulation detection module, wherein the insulation detection module is connected to the VAU controller and the BMS controller.
3. The electric vehicle electric control system hardware-in-the-loop rack of claim 1, further comprising a resistor board card connected to the BMS controller.
4. The electric vehicle electric control system hardware-in-loop rack of claim 1, further comprising a domain controller expansion reservation bit.
5. The electric vehicle electric control system hardware-in-the-loop rack of claim 1, wherein the fault injection module comprises a first fault injection module and a second fault injection module;
the ADC/DAC board card is connected to the VCU controller and the BMS controller through the first fault injection module;
and the I/O board card is connected to the VCU controller and the BMS controller through a second fault injection module.
6. The electric vehicle electric control system hardware-in-loop rack of claim 1, further comprising a power control system, wherein the power control system is connected to the control end of the first control switch and the control end of the second control switch via an I/O board card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496140.4U CN215894841U (en) | 2021-07-02 | 2021-07-02 | Hardware-in-the-loop rack of electric control system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496140.4U CN215894841U (en) | 2021-07-02 | 2021-07-02 | Hardware-in-the-loop rack of electric control system of electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN215894841U true CN215894841U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121496140.4U Active CN215894841U (en) | 2021-07-02 | 2021-07-02 | Hardware-in-the-loop rack of electric control system of electric automobile |
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| Country | Link |
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| CN (1) | CN215894841U (en) |
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2021
- 2021-07-02 CN CN202121496140.4U patent/CN215894841U/en active Active
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