Connecting device for hardware-in-loop test and test system
Through the overlapping fixed connection of the ECU connection board, HIL connection board and link connection board, the problem of difficulty in wire harness stacking and management in HIL test is solved, and the flexibility and cost-effectiveness of ECU connection are achieved.
Patent Information
- Application Number
- CN202421766776.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-24
AI Technical Summary
In traditional HIL tests, ECU connection wiring harnesses are stacked, managed, and costly, so it is impossible to quickly switch projects, resulting in unreasonable storage and high costs in the test environment.
A connection device is provided, including an ECU connection board, a HIL connection board and a link connection board, forming a 'sandwich' structure by overlapping and fixed connections, and replacing the corresponding connection board according to the ECU project definition to match different project requirements.
It realizes the flexibility and cost-effectiveness of ECU connection, solves the problems of wiring harness stacking and management difficulties, and reduces testing costs.
Smart Images
Figure CN223091988U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of Hardware-in-the-Loop (HIL) testing in the automotive industry, and particularly to a connection device and a testing system for hardware-in-the-loop testing. Background Art
[0002] With the rapid development of the new energy industry, the related projects have gradually increased. HIL testing is a key verification link in technology research and development. Usually, there are several projects developing in parallel, and direct project switching is required, which requires the HIL testing environment to have the ability of rapid switching.
[0003] In the related art, when the HIL bench is connected to the ECU (Electronic Control Unit) for testing, basically, a wire harness is used for connection. The PIN types and numbers of different project plugs are inconsistent, so basically, each project corresponds to a set of wire harnesses. In the past, there were many projects in development, resulting in the accumulation of test wire harnesses, which could not be reasonably managed and stored. Moreover, the adapter wire harnesses are usually the basic length of the wire harnesses used in the project, which is more than 2m, and the test cost is high and they cannot be reasonably placed. Utility Model Content
[0004] This application provides a connection device and a testing system for hardware-in-the-loop testing. According to the project definition of the ECU, the corresponding link connection board and / or ECU connection board can be replaced accordingly, solving the problems that the test wire harnesses accumulate during traditional project changes, cannot be reasonably managed and stored, and the test cost is high.
[0005] In the first aspect, an embodiment of this application provides a connection device for hardware-in-the-loop testing, which includes:
[0006] An ECU connection board, which is provided with female PIN pins that penetrate through the opposite sides of the ECU connection board;
[0007] A HIL connection board, which is provided with male PIN pins that penetrate through the opposite sides of the HIL connection board;
[0008] A link connection board, the ECU connection board, the link connection board and the HIL connection board are overlapped and fixedly connected, the link connection board is located between the ECU connection board and the HIL connection board, and is electrically connected to the female PIN pins and the male PIN pins.
[0009] In combination with the first aspect, in an embodiment, the link connection board is snap-fitted and fixed between the ECU connection board and the HIL connection board.
[0010] In combination with the first aspect, in one embodiment, the ECU connection board, the link connection board, and the HIL connection board are coaxially provided with threaded holes, and the coaxially arranged threaded holes are internally threaded with fixing bolts.
[0011] In combination with the first aspect, in one embodiment, a first washer is sleeved on the outer wall of one end of the female PIN needle away from the link connection board.
[0012] In combination with the first aspect, in one embodiment, a second washer is sleeved on the outer wall of one end of the male PIN needle away from the link connection board.
[0013] In combination with the first aspect, in one embodiment, metal conductive sheets are arranged on opposite sides of the link connection board, and the two metal conductive sheets are electrically connected;
[0014] The first metal conductive sheet is electrically connected to the female PIN needle, and the second metal conductive sheet is electrically connected to the male PIN needle.
[0015] In combination with the first aspect, in one embodiment, the link connection board includes a PCB board. Among the opposite sides of the PCB board, a first conductive contact point is arranged on the first side, and a second conductive contact point is arranged on the second side. The first conductive contact point is electrically connected to the female PIN needle, and the second conductive contact point is electrically connected to the male PIN needle.
[0016] In the second aspect, an embodiment of the present application provides a test system, which includes a connection device for hardware-in-the-loop testing as described in some of the above embodiments.
[0017] The beneficial effects brought by the technical solutions provided by the embodiments of the present application include:
[0018] When the pin type of the ECU does not change but its function type changes, only the adapted link connection board needs to be replaced. When the pin type of the ECU changes but the function type does not change, only the adapted ECU connection board needs to be replaced. When the pin type of the ECU changes and its function type also changes, only the adapted link connection board and ECU connection board need to be replaced. At the same time, the connection device for hardware-in-the-loop testing is arranged in an overlapping and fixedly connected manner, forming a'sandwich' structure, with clear functions, interacting with each other and not affecting each other. It solves the problems that the test wire harnesses are stacked during traditional project changes, cannot be reasonably managed and stored, and the test cost is high. Description of the Drawings
[0019] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.
[0020] Figure 1 It is a front view structural schematic diagram of a connection device for hardware-in-the-loop testing;
[0021] Figure 2 It is a top view structural schematic diagram of an ECU connection board;
[0022] Figure 3 It is a top view structural schematic diagram of a HIL connection board;
[0023] Figure 4 It is a top view structural schematic diagram of a link connection board;
[0024] Figure 5 It is a structural schematic diagram before the test system assembles the connection device for hardware-in-the-loop testing;
[0025] Figure 6 It is a structural schematic diagram after the test system assembles the connection device for hardware-in-the-loop testing.
[0026] In the figure: 1. ECU connection board; 101. Female PIN; 102. First washer; 2. HIL connection board; 201. Male PIN; 202. Second washer; 3. Link connection board; 301. Metal conductive sheet; 4. Threaded hole; 5. Fixed bolt; 6. Electronic control unit; 7. HIL bench. Detailed implementation manners
[0027] To enable those skilled in the art of this technology to better understand the solution of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope protected by the present application.
[0028] It should be noted that the HIL test bench is a platform used for testing and developing automotive and aerospace equipment. Its full name is Hardware-in-the-loop Simulation, which means using actual hardware to perform simulations in a virtual environment. It can simulate various situations in a real environment, enabling more accurate testing and development of new products or systems. The ECU (Electronic Control Unit), also known as the "vehicle computer" of the car, is used to control the driving state of the car and implement its various functions. It mainly uses data acquisition and exchange of various sensors and buses to judge the vehicle state and the driver's intention and controls the car through actuators.
[0029] The embodiment of the present application provides a connection device and a test system for hardware-in-the-loop testing. According to the project definition of the ECU, the corresponding link connection board and / or ECU connection board can be replaced accordingly, solving the problems of the traditional transfer wire harness being too long and difficult to store and manage.
[0030] In the first aspect, as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, the embodiment of the present application provides a connection device for hardware-in-the-loop testing, which includes: an ECU connection board 1, the ECU connection board 1 is provided with female PIN pins 101, and the female PIN pins 101 penetrate through the opposite sides of the ECU connection board 1; a HIL connection board 2, the HIL connection board 2 is provided with male PIN pins 201, and the male PIN pins 201 penetrate through the opposite sides of the HIL connection board 2; a link connection board 3, the ECU connection board 1, the link connection board 3 and the HIL connection board 2 are overlapped and fixedly connected, the link connection board 3 is located between the ECU connection board 1 and the HIL connection board 2, and is electrically connected to the female PIN pins 101 and the male PIN pins 201.
[0031] Exemplarily, the female PIN pins 101 penetrate through the top surface and the bottom surface of the ECU connection board 1, the male PIN pins 201 penetrate through the top surface and the bottom surface of the HIL connection board 2, the ECU connection board 1, the link connection board 3 and the HIL connection board 2 are overlapped in the up-down direction and fixedly connected in sequence, the top surface of the link connection board 3 is in contact and electrically connected to the bottom end of the female PIN pins 101, and the bottom surface of the link connection board 3 is in contact and electrically connected to the top end of the male PIN pins 201, realizing the electrical connection between the ECU connection board 1 and the HIL connection board 2.
[0032] Specifically, according to the project definition, when the pin type of the ECU (Electronic Control Unit 6) remains unchanged while its function type changes (that is, when the pin model of the ECU remains unchanged but the function definition of its pins changes), only the corresponding link connection board 3 needs to be replaced to ensure that the circuit of the link connection board 3 electrically connects the pins after the ECU function definition change to the corresponding male PIN pins 201 on the HIL connection board 2; when the pin type of the ECU changes but the function type remains unchanged (that is, when the pin model of the ECU changes but the function definition of its pins remains unchanged), only the model of the ECU connection board 1 needs to be replaced so that the female PIN pins 101 of the ECU connection board 1 are inserted and adapted to the pins of the changed ECU; similarly, when the pin type of the ECU changes and its function type also changes, only the corresponding link connection board 3 and ECU connection board 1 need to be replaced. At the same time, the connection device for hardware-in-the-loop testing is arranged in an overlapping and fixed connection manner, forming a'sandwich' structure, with clear functions and interactions without affecting each other. This solves the problem that the test wire harnesses pile up during traditional project changes, cannot be reasonably managed and stored, and the test cost is high.
[0033] Combined with the first aspect, in an embodiment, the link connection board 3 is snap-fixed between the ECU connection board 1 and the HIL connection board 2. Exemplarily, the link connection board 3 can adopt a snap-fixing method to be fixed to the ECU connection board 1 and the HIL connection board 2, and its operation is convenient and simple.
[0034] Combined with the first aspect, in an embodiment, as Figure 2 、 Figure 3 and Figure 4 shown, the ECU connection board 1, the link connection board 3, and the HIL connection board 2 are coaxially provided with threaded holes 4, and fixing bolts 5 are threadedly connected in the coaxially arranged threaded holes 4. Exemplarily, threaded holes 4 are provided around the ECU connection board 1, the link connection board 3, and the HIL connection board 2, and the fixing bolts 5 sequentially thread through the threaded holes 4 of the ECU connection board 1, the link connection board 3, and the HIL connection board 2 to achieve the fixed connection of the ECU connection board 1, the link connection board 3, and the HIL connection board 2.
[0035] Combined with the first aspect, in an embodiment, as Figure 2 shown, a first washer 102 is sleeved on the outer wall of the end of the female PIN pin 101 away from the link connection board 3. Among them, the first washer 102 can make there be a redundant gap between the female PIN pin 101 and the ECU to ensure its firmness.
[0036] Combined with the first aspect, in an embodiment, as Figure 3As shown, a second washer 202 is sleeved on the outer wall of the end of the male PIN needle 201 away from the link connection board 3. Among them, the second washer 202 can create a redundant gap between the male PIN needle 201 and the HIL bench 7 to ensure its firmness.
[0037] Combined with the first aspect, in an embodiment, as Figure 4 shown, metal conductive sheets 301 are provided on both opposite sides of the link connection board 3, and the two metal conductive sheets 301 are electrically connected; the first metal conductive sheet 301 is electrically connected to the female PIN needle 101, and the second metal conductive sheet 301 is electrically connected to the male PIN needle 201. Exemplarily, metal conductive sheets 301 can be provided on both the top surface and the bottom surface of the link connection board 3, and the metal conductive sheets 301 on both sides are electrically connected by a wire harness to achieve the electrical connection between the ECU connection board 1 and the HIL connection board 2.
[0038] Combined with the first aspect, in an embodiment, the link connection board 3 includes a PCB board. On the two opposite sides of the PCB board, a first conductive contact point is provided on the first side, and a second conductive contact point is provided on the second side. The first conductive contact point is electrically connected to the female PIN needle 101, and the second conductive contact point is electrically connected to the male PIN needle 201. Exemplarily, the electrical connection between the ECU connection board 1 and the HIL connection board 2 can also be achieved through the first conductive contact point and the second conductive contact point on both sides of the PCB board.
[0039] In the second aspect, as Figure 6 and Figure 5 shown, the embodiment of the present application provides a test system, which includes a connection device for hardware-in-the-loop testing as mentioned in some of the above embodiments. Exemplarily, the pins of the ECU (electronic control unit 6) are inserted into the female PIN needles 101 of the ECU connection board 1, and the male PIN needles 201 of the HIL connection board 2 are inserted into the sockets of the HIL bench 7 to facilitate the testing work between the HIL bench 7 and the ECU.
[0040] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. Unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0041] It should be noted that in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.
[0042] The above are only specific embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but rather will be accorded the widest scope consistent with the principles and novel features claimed herein.
Claims
1. A connection device for hardware-in-the-loop testing, characterized in that It includes: An ECU connection board (1), the ECU connection board (1) is provided with female PIN pins (101), and the female PIN pins (101) penetrate through opposite sides of the ECU connection board (1); A HIL connection board (2), the HIL connection board (2) is provided with male PIN pins (201), and the male PIN pins (201) penetrate through opposite sides of the HIL connection board (2); A link connection board (3), the ECU connection board (1), the link connection board (3) and the HIL connection board (2) are overlapped and fixedly connected, the link connection board (3) is located between the ECU connection board (1) and the HIL connection board (2), and is electrically connected to the female PIN pins (101) and the male PIN pins (201).
2. The connection device for hardware-in-the-loop testing according to claim 1, wherein The link connection board (3) is snap-fitted and fixed between the ECU connection board (1) and the HIL connection board (2).
3. The connection device for hardware-in-the-loop testing according to claim 1, wherein The ECU connection board (1), the link connection board (3) and the HIL connection board (2) are coaxially provided with threaded holes (4), and a fixing bolt (5) is threadedly connected in the coaxially arranged threaded holes (4).
4. The connection device for hardware-in-the-loop testing according to claim 1, wherein A first washer (102) is sleeved on the outer wall of the end of the female PIN pin (101) away from the link connection board (3).
5. The connection device for hardware-in-the-loop testing according to claim 1, wherein A second washer (202) is sleeved on the outer wall of the end of the male PIN pin (201) away from the link connection board (3).
6. The connection device for hardware-in-the-loop testing according to claim 1, wherein Metal conductive sheets (301) are provided on opposite sides of the link connection board (3), and the two metal conductive sheets (301) are electrically connected; The first metal conductive sheet (301) is electrically connected to the female PIN pin (101), and the second metal conductive sheet (301) is electrically connected to the male PIN pin (201).
7. The connection device for hardware-in-the-loop testing according to claim 1, wherein The link connection board (3) includes a PCB board. Among the opposite sides of the PCB board, a first conductive contact point is provided on the first side, and a second conductive contact point is provided on the second side. The first conductive contact point is electrically connected to the female PIN pin (101), and the second conductive contact point is electrically connected to the male PIN pin (201).
8. A test system, characterized in that, It includes the connection device for hardware-in-the-loop testing according to any one of claims 1-7.