Simulation test system applied to new energy vehicle

Abstract

The utility model discloses a simulation test system applied to a new energy vehicle, and relates to the technical field of simulation test. The system comprises a test bench, a connection board card, a simulation machine, an upper computer, a tested vehicle control unit and a tested gateway device. The test bench is provided with a plurality of accommodation spaces which can accommodate the connection board card, the simulation machine, the tested vehicle control unit and the tested gateway device. The connection board card is arranged in the test bench and is fixedly connected with the test bench. The tested vehicle control unit, the tested gateway device and the simulation machine are electrically connected with the connection board card, and the tested vehicle control unit, the tested gateway device and the simulation machine can perform data interaction through the connection board card. The upper computer is connected with the connection board card and can obtain data passing through the connection board card; and the upper computer can also perform data interaction with the simulation machine through the connection board card. Therefore, the system can perform simulation test on the tested vehicle control unit and the tested gateway device at the same time, the test content is perfected, and the test efficiency is improved.

Description

Technical Field

[0001] This specification relates to the field of simulation testing technology, and in particular to a simulation testing system applied to new energy vehicles. Background Art

[0002] Typically, during the vehicle design process, components are required to undergo Hardware in the Loop (HIL) simulation testing to verify whether they have design flaws and faults.

[0003] With the development of new energy technologies, vehicles equipped with batteries and electric motors are becoming increasingly mainstream. Compared to traditional fuel-powered vehicles, new energy vehicles are equipped with components such as batteries and electric motors, which require more frequent information exchange. Therefore, they are often equipped with additional gateway devices to facilitate information exchange between these components.

[0004] There is a lack of a means to perform HIL testing on the gateway. Obviously / however, Utility Model Content

[0005] This specification provides a simulation test system for new energy vehicles to at least partially solve the above-mentioned problems existing in the prior art.

[0006] This manual adopts the following technical solutions:

[0007] This specification provides a simulation test system for new energy vehicles, including a test bench, a connection board, a simulator, a host computer, a vehicle controller under test, and a gateway device under test;

[0008] The test bench is configured with multiple accommodating spaces capable of accommodating the connection board, the simulator, the tested vehicle controller, and the tested gateway device;

[0009] The connection board is configured inside the test bench and is fixedly connected to the test bench;

[0010] The tested vehicle controller, the tested gateway device and the simulator are electrically connected to the connection board, respectively, and the tested vehicle controller, the tested gateway device and the simulator can exchange data through the connection board;

[0011] The host computer is connected to the connection board and can obtain data via the connection board; the host computer can also exchange data with the simulation machine through the connection board.

[0012] Preferably, the test bench is further configured with a power supply unit;

[0013] The power supply unit is electrically connected to the connection board, the simulation machine, the vehicle controller under test and the gateway device under test, respectively, and is used to electrically connect and supply power to the connection board, the simulation machine, the vehicle controller under test and the gateway device under test.

[0014] Preferably, the test bench is configured as a multi-layer structure, including a bottom layer, a middle layer and a top layer;

[0015] The simulation machine is configured on the bottom layer;

[0016] The tested vehicle controller and the tested gateway device are both configured in the middle layer;

[0017] The top layer is configured with a power supply unit and / or a power distribution module and / or a connection board.

[0018] Preferably, the side of the test bench is provided with a plurality of interfaces;

[0019] The interface includes a board interface and a power interface.

[0020] Preferably, the inner side walls of the bottom layer and the middle layer of the test bench are provided with ventilation holes;

[0021] The test bench further includes a heat dissipation device, which can drive air flow in the bottom layer and the middle layer through the vents.

[0022] Preferably, the simulation test system applied to new energy vehicles further includes a cabinet connector;

[0023] The cabinet connector is configured between the connection board and the vehicle controller under test and the gateway device under test, and is respectively connected to the connection board, the vehicle controller under test and the gateway device under test for transmitting data.

[0024] Preferably, the connection board includes a CAN board, an analog load, a digital board and an analog board;

[0025] The digital quantity board is connected to the simulation machine and the simulated load respectively, and is used for transmitting digital signals;

[0026] The analog quantity board is connected to the simulation machine and the analog load respectively, and is used for transmitting analog signals;

[0027] The simulated load device is connected to the CAN board and is used to transfer the digital signal and the analog signal, and is also used to simulate various load scenarios and adjust the digital signal and the analog signal in response to user operations;

[0028] The CAN board is also connected to the simulator, the vehicle controller under test and the gateway device under test respectively, so that the user can transmit data.

[0029] Preferably, the connection board also includes a CAN output interface;

[0030] The CAN output interface can be connected to the host computer;

[0031] The connection board can output CAN signals to the host computer through the CAN output interface.

[0032] Preferably, the simulation test system applied to new energy vehicles further includes a disconnection test box;

[0033] The disconnection test box is connected to the connection board and the simulation machine respectively, and can output a fault signal to the connection board and / or the simulation machine.

[0034] Preferably, the host computer is connected to the simulator via the connection board and is capable of sending an operation signal to the simulator;

[0035] The simulator is connected to the vehicle controller under test via the connection board, and is capable of sending at least one drive instruction to the vehicle controller under test based on the operation signal; different drive instructions are used to drive the vehicle controller to perform different operations;

[0036] The vehicle controller is capable of receiving the at least one driving instruction;

[0037] The vehicle controller is connected to the gateway device under test via the connection board and is capable of sending a transmission signal to the gateway device under test;

[0038] The gateway device under test is connected to the simulator via the connection board, and can forward the transmission signal to the vehicle controller and / or the simulator.

[0039] At least one of the above technical solutions adopted in this specification can achieve the following beneficial effects:

[0040] based on Figure 1The simulation test system for new energy vehicles shown in the figure includes a test bench, a connection board, a simulator, a host computer, a vehicle controller under test, and a gateway device under test. The test bench is configured with multiple accommodating spaces that can accommodate the connection board, the simulator, the vehicle controller under test, and the gateway device under test. The connection board is configured inside the test bench and is fixedly connected to the test bench. The vehicle controller under test, the gateway device under test, and the simulator are electrically connected to the connection board, respectively, and the vehicle controller under test, the gateway device under test, and the simulator can exchange data through the connection board. The host computer is connected to the connection board and can obtain data via the connection board; the host computer can also exchange data with the simulator through the connection board.

[0041] It can be seen from the above system that the system can perform simulation tests on the vehicle controller under test and the gateway device under test at the same time, which improves the test content and enhances the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The drawings described herein are used to provide a further understanding of this specification and constitute a part of this specification. The exemplary embodiments and descriptions of this specification are used to explain this specification and do not constitute an improper limitation of this specification. In the drawings:

[0043] Figure 1 A schematic structural diagram of a simulation test system for new energy vehicles provided in one embodiment of this specification;

[0044] Figure 2 A schematic diagram of a portion of the structure of a simulation test system for new energy vehicles provided in one embodiment of this specification;

[0045] Figure 3 A schematic diagram of the architecture of a simulation test system for new energy vehicles provided in one embodiment of this specification.

[0046] Description of reference numerals:

[0047] Test bench 1; connection board 2; simulator 3; host computer 4; vehicle controller under test 5; gateway device under test 6; cabinet connector 71; disconnection test box 72; CAN output interface 73; CAN board 74; digital board 75; analog board 76; analog load 77. DETAILED DESCRIPTION

[0048] To make the purpose, technical solutions, and advantages of this specification more clear, the technical solutions of this specification will be clearly and completely described below in conjunction with the specific embodiments of this specification and the corresponding drawings. Obviously, the embodiments described are only part of the embodiments of this specification, not all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0049] In the description of the present invention, it should be noted that the term "or" is generally used in a sense including "and / or", unless the content clearly indicates otherwise.

[0050] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. In addition, in the description of this application, the terms "first," "second," etc. are used only to distinguish descriptions and should not be understood to indicate or imply relative importance.

[0051] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0052] The technical solutions provided by the embodiments of this specification are described in detail below with reference to the accompanying drawings.

[0053] Figure 1 This is a schematic diagram of a simulation test system for new energy vehicles provided in one embodiment of this specification. Figure 1 As shown, the connection board 2 , the simulator 3 , the vehicle controller 5 under test and the gateway device 6 under test are all arranged in the test bench 1 , and the host computer 4 is arranged outside the test bench 1 and connected to the connection board 2 .

[0054] Preferably, the test bench 1 is configured with a plurality of accommodating spaces capable of accommodating the connection board 2 , the simulator 3 , the tested vehicle controller 5 and the tested gateway device 6 .

[0055] Figure 2 This is a partial structural diagram of a simulation test system for new energy vehicles provided in one embodiment of this specification. Figure 2 As shown, the connection board 2 , the simulator 3 , the vehicle controller 5 and the gateway device 6 are all contained within the test bench 1 , while the host computer 4 is located outside the test bench 1 .

[0056] Preferably, the connection board 2 is disposed inside the test bench 1 and fixedly connected to the test bench 1. It should be noted that the connection board 2 is disposed inside the test bench 1, that is, the connection board 2 is accommodated in the accommodation space provided in the test bench 1.

[0057] Preferably, at least one side wall and / or at least one partition of the test bench 1 is a double-layer composite structure, and is hollow, with multiple connecting wires configured inside and multiple external interfaces configured on the surface. Among them, the connection board 2, the simulator 3, the host computer 4, the tested vehicle controller 5, and the tested gateway device 6 can all be directly connected to the external interface. This allows the connection board to be connected to the simulator 3, the tested vehicle controller 5, and the tested gateway device 6.

[0058] Preferably, the side of the test bench 1 is configured with multiple interfaces, including a board interface and a power interface. The side is the surface of the side wall and / or the partition. The board interface and the power interface are both external interfaces.

[0059] Preferably, the connection board 2 can also be configured inside at least one side wall and / or at least one partition of the hollow space, and directly connected to multiple connecting lines, thereby connecting to the simulation machine 3, the vehicle controller under test 5 and the gateway device under test 6 through multiple external interfaces.

[0060] Preferably, the tested vehicle controller 5, the tested gateway device 6 and the simulator 3 are electrically connected to the connection board 2, respectively. Figure 1 shown.

[0061] Preferably, the tested vehicle controller 5 , the tested gateway device 6 and the simulator 3 can perform data exchange through the connection board 2 .

[0062] Preferably, the host computer 4 is connected to the connection board 2 and can obtain data passing through the connection board 2, thereby detecting the data passing through the connection board 2 and determining the test results of the tested gateway unit and the tested vehicle controller 5.

[0063] Preferably, the host computer 4 can also exchange data with the simulator 3 via the connection board 2. For example, the host computer 4 can send an operation signal to the simulator 3 via the connection board 2. Alternatively, the host computer 4 can continuously send modification instructions to the simulator 3 via the connection board 2. The test instructions include simulated operation information, such as shifting and acceleration actions. The modification instructions include parameter modification information, model adjustment information, etc.

[0064] based on Figure 1The simulation test system for new energy vehicles shown in the figure includes a test bench 1, a connection board 2, a simulator 3, a host computer 4, a vehicle controller 5 under test, and a gateway device 6 under test. The test bench 1 is provided with a plurality of accommodating spaces capable of accommodating the connection board 2, the simulator 3, the vehicle controller 5 under test, and the gateway device 6 under test. The connection board 2 is arranged inside the test bench 1 and is fixedly connected to the test bench 1. The vehicle controller 5 under test, the gateway device 6 under test, and the simulator 3 are electrically connected to the connection board 2, respectively, and the vehicle controller 5 under test, the gateway device 6 under test, and the simulator 3 can exchange data through the connection board 2. The host computer 4 is connected to the connection board 2 and can obtain data via the connection board 2; the host computer 4 can also exchange data with the simulator 3 through the connection board 2.

[0065] It can be seen from the above system that the system can simultaneously perform simulation tests on the vehicle controller 5 and the gateway device 6 under test, thereby improving the test content and enhancing the test efficiency.

[0066] Preferably, the test bench 1 is also equipped with a power supply unit.

[0067] The power supply unit includes a low-voltage programmable power supply and a power distribution unit.

[0068] Preferably, the power supply unit is electrically connected to the connection board 2, the simulation machine 3, the vehicle controller 5 under test and the gateway device 6 under test, respectively, and is used to electrically connect and supply power to the connection board 2, the simulation machine 3, the vehicle controller 5 under test and the gateway device 6 under test.

[0069] Preferably, the power supply unit is configured in the accommodation space of the test bench 1 .

[0070] Preferably, the power supply unit is arranged inside at least one hollow side wall and / or at least one hollow partition provided on the test bench 1 .

[0071] Preferably, the connection line corresponding to the power supply unit is arranged inside at least one hollow side wall and / or at least one hollow partition provided on the test bench 1 .

[0072] Preferably, the power supply unit is also connected to a power source and can obtain electrical energy from the power source.

[0073] Preferably, the test bench 1 is configured as a multi-layer structure, including a bottom layer, a middle layer and a top layer.

[0074] Preferably, the simulator 3 is arranged at the bottom layer, and the tested vehicle controller 5 and the tested gateway device 6 are arranged at the middle layer, and the top layer is provided with a power supply unit and / or a power distribution module and / or a connection board 2. Figure 2 shown.

[0075] Preferably, ventilation holes are provided on the inner side walls of the bottom layer, middle layer and / or top layer of the test bench 1 .

[0076] Preferably, the test bench 1 further comprises a heat dissipation device, which can drive the air flow of the bottom layer and / or the middle layer and / or the top layer through the vents.

[0077] Preferably, the heat dissipation device is arranged in the accommodation space of the test bench 1 .

[0078] Preferably, the heat dissipation device is arranged inside at least one hollow side wall and / or at least one hollow partition provided on the test bench 1 .

[0079] Preferably, the simulation test system applied to new energy vehicles further includes a cabinet connector 71 .

[0080] Preferably, the cabinet connector 71 is configured between the connection board 2 and the vehicle controller 5 under test and the gateway device 6 under test, and is respectively connected to the connection board 2, the vehicle controller 5 under test and the gateway device 6 under test for transmitting data.

[0081] Preferably, the connection board 2 includes a controller area network (CAN) board, an analog load 77 , a digital board 75 and an analog board 76 .

[0082] Preferably, the digital quantity board 75 is connected to the simulator 3 and the simulated load 77 respectively, and is used to transmit digital signals, such as audio signals and temperature signals.

[0083] Preferably, the analog board is connected to the simulator 3 and the analog load 77 respectively, for transmitting analog signals, such as audio signals and temperature signals.

[0084] Preferably, the analog loader 77 is connected to the CAN board 74 for transferring the digital signal and the analog signal.

[0085] Preferably, the simulated load 77 is also used to simulate various load scenarios, such as pure resistive load, inductive load, capacitive load, etc., in response to user operations.

[0086] Preferably, the analog load 77 can adjust the digital signal and the analog signal in response to user operations.

[0087] Preferably, the CAN board 74 is also connected to the simulator 3, the tested vehicle controller 5 and the tested gateway device 6 respectively, for user data transmission.

[0088] Preferably, the connection board 2 further includes a CAN output interface 73 .

[0089] Preferably, the CAN output interface 73 can be connected to the host computer 4 .

[0090] Preferably, the connection board 2 can output CAN signals to the host computer 4 through the CAN output interface 73 .

[0091] Preferably, the simulation test system applied to new energy vehicles further includes a disconnection test box 72 .

[0092] Preferably, the disconnection test box 72 is connected to the connection board 2 and the simulation machine 3 respectively, and can output a fault signal to the connection board 2 and / or the simulation machine 3 .

[0093] Figure 3 This is a schematic diagram of the architecture of a simulation test system for new energy vehicles provided in one embodiment of this specification. Figure 3 As shown, the connection board 2 is connected to the connection lines configured in the test bench 1. The simulator 3, cabinet connector 71, CAN output interface 73, disconnection test box 72, etc. are all directly connected to the test bench 1 and connected to the connection board 2 through the test bench 1. The gateway unit under test and the controller under test are both directly connected to the cabinet connector 71 and connected to the test bench 1 through the cabinet connector 71. The connection board 2 includes a CAN board 74, a simulated load 77, a digital board 75, and an analog board 76.

[0094] Preferably, the bottom layer is divided into a first bottom layer and a second bottom layer.

[0095] Preferably, the first bottom layer accommodates the simulation machine 3 , and the second bottom layer accommodates the simulated load 77 .

[0096] Preferably, the top layer is divided into a first top layer and a second top layer.

[0097] The first top layer accommodates a low-temperature process voltage power supply. The second top layer accommodates a power distribution unit.

[0098] Preferably, the test bench 1 comprises, from bottom to top, a first bottom layer, a second bottom layer, a middle layer, a first top layer and a second top layer.

[0099] Preferably, the host computer 4 is connected to the simulator 3 via the connection board 2 and can send an operation signal to the simulator 3 .

[0100] Preferably, the simulation machine 3 can determine to execute at least one driving instruction corresponding to the operation signal based on the operation signal.

[0101] Preferably, different driving instructions are used to drive the vehicle controller to perform different operations.

[0102] Preferably, different driving instructions correspond to different controllers, for example, the acceleration instruction corresponds to the vehicle controller and the battery controller.

[0103] It should be noted that if a controller corresponding to a driving instruction does not exist, the simulation machine 3 can simulate the controller.

[0104] Preferably, the simulation machine 3 is connected to the vehicle controller 5 under test via the connection board 2 and can send at least one driving instruction to the vehicle controller 5 under test based on the operation signal.

[0105] Preferably, the vehicle controller is capable of receiving the at least one driving instruction.

[0106] Preferably, the vehicle controller is capable of determining an execution signal and a transmission signal in response to the at least one driving instruction.

[0107] Preferably, the vehicle controller is connected to the gateway device 6 under test via the connection board 2 and is capable of sending the transmission signal to the gateway device 6 under test;

[0108] Preferably, the gateway device 6 under test is connected to the simulator 3 via the connection board 2 and can forward the transmission signal to the vehicle controller and / or the simulator 3 .

[0109] Preferably, the vehicle controller can send the execution signal to the host computer 4 and / or the simulator 3 through the connection board 2 .

[0110] It should also be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, commodity, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, commodity, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not exclude the presence of other identical elements in the process, method, commodity, or apparatus that includes the element.

[0111] The various embodiments in this specification are described in a progressive manner. Similar parts between the various embodiments can be referred to in conjunction with each other. Each embodiment focuses on the differences between the other embodiments. In particular, the system embodiments are generally similar to the method embodiments, so the description is relatively simple. For relevant parts, refer to the description of the method embodiments.

[0112] The foregoing is merely an embodiment of the present invention and is not intended to limit the present invention. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the claims of this application.

Claims

1. A simulation test system for new energy vehicles, characterized in that: Including test bench, connection board, simulator, host computer, vehicle controller under test and gateway device under test; The test bench is configured with multiple accommodating spaces capable of accommodating the connection board, the simulator, the tested vehicle controller, and the tested gateway device; The connection board is configured inside the test bench and is fixedly connected to the test bench; The tested vehicle controller, the tested gateway device and the simulator are electrically connected to the connection board, respectively, and the tested vehicle controller, the tested gateway device and the simulator can exchange data through the connection board; The host computer is connected to the connection board and can obtain data via the connection board; the host computer can also exchange data with the simulation machine through the connection board.

2. The simulation test system for new energy vehicles according to claim 1, characterized in that: The test bench is also equipped with a power supply unit; The power supply unit is electrically connected to the connection board, the simulation machine, the vehicle controller under test and the gateway device under test, respectively, and is used to electrically connect and supply power to the connection board, the simulation machine, the vehicle controller under test and the gateway device under test.

3. The simulation test system for new energy vehicles according to claim 1, characterized in that: The test bench is configured as a multi-layer structure, including a bottom layer, a middle layer and a top layer; The simulation machine is configured on the bottom layer; The tested vehicle controller and the tested gateway device are both configured in the middle layer; The top layer is configured with a power supply unit and / or a power distribution module and / or a connection board.

4. The simulation test system for new energy vehicles according to claim 3, characterized in that: The side of the test bench is configured with multiple interfaces; The interface includes a board interface and a power interface.

5. The simulation test system for new energy vehicles according to claim 3, characterized in that: The bottom layer and the inner side walls of the middle layer of the test bench are provided with ventilation holes; The test bench further includes a heat dissipation device, which can drive air flow in the bottom layer and the middle layer through the vents.

6. The simulation test system for new energy vehicles according to any one of claims 1 to 5, characterized in that: The simulation test system for new energy vehicles further includes a cabinet connector; The cabinet connector is configured between the connection board and the vehicle controller under test and the gateway device under test, and is respectively connected to the connection board, the vehicle controller under test and the gateway device under test for transmitting data.

7. The simulation test system for new energy vehicles according to any one of claims 1 to 5, characterized in that: The connection board includes a CAN board, an analog load, a digital board and an analog board; The digital quantity board is connected to the simulation machine and the simulated load respectively, and is used for transmitting digital signals; The analog quantity board is connected to the simulation machine and the analog load respectively, and is used for transmitting analog signals; The simulated load device is connected to the CAN board and is used to transfer the digital signal and the analog signal, and is also used to simulate various load scenarios and adjust the digital signal and the analog signal in response to user operations; The CAN board is also connected to the simulator, the vehicle controller under test and the gateway device under test respectively, so that the user can transmit data.

8. The simulation test system for new energy vehicles according to any one of claims 1 to 5, characterized in that: The connection board also includes a CAN output interface; The CAN output interface can be connected to the host computer; The connection board can output CAN signals to the host computer through the CAN output interface.

9. The simulation test system for new energy vehicles according to any one of claims 1 to 5, characterized in that: The simulation test system for new energy vehicles also includes a disconnection test box; The disconnection test box is connected to the connection board and the simulation machine respectively, and can output a fault signal to the connection board and / or the simulation machine.

10. The simulation test system for new energy vehicles according to any one of claims 1 to 5, characterized in that: The host computer is connected to the simulation machine via the connection board and can send an operation signal to the simulation machine; The simulator is connected to the vehicle controller under test via the connection board, and is capable of sending at least one drive instruction to the vehicle controller under test based on the operation signal; different drive instructions are used to drive the vehicle controller to perform different operations; The vehicle controller is capable of receiving the at least one driving instruction; The vehicle controller is connected to the gateway device under test via the connection board and is capable of sending a transmission signal to the gateway device under test; The gateway device under test is connected to the simulator via the connection board, and can forward the transmission signal to the vehicle controller and / or the simulator.

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