Automatic docking device for HIL test and control method

Abstract

The invention relates to automobile electronic software testing, in particular to an automatic docking device for HIL testing and a control method.The automatic docking device comprises a fixing support (1), and a connector fixing base (2) is arranged on the fixing support (1); a sliding rail structure is arranged on one side of the fixing support (1). A connector butt joint seat (3) is arranged on the slide rail structure; the connector butt joint seat (3) is connected with an HIL cabinet, and the connector butt joint seat (3) is connected with the connector fixing seat (2); the connector fixing seat (2) is connected with a controller; a plurality of connector fixing seats are arranged on the fixing support, and the sliding rail structure can realize the movement of the connector butt joint seat in the vertical direction and the horizontal direction, so that different connector fixing seats can be automatically selected and switched to be electrically connected with a controller to be detected, and an HIL test is carried out; according to the device, the tested controller can be automatically switched, and a hardware platform is provided for unattended operation in the whole process of testing.

Description

Technical Field

[0001] The present invention relates to automotive electronic software testing. Specifically, the present invention relates to an automatic docking device and control method for HIL testing. Background Art

[0002] With the rapid development of new energy vehicles, the development time of automotive controllers is getting shorter and shorter, and the quality requirements are getting higher and higher, and the functions are also increasing. By means of Hardware in the Loop (HIL) testing, the software verification speed can be accelerated, and there is no need to wait until the prototype vehicle or prototype box is manufactured to start testing. Since HIL test equipment is expensive, it is not possible to use one piece of equipment to test only one controller, but to test multiple controllers, and different controllers are switched through connectors. The plugging and unplugging of the connectors need to be done manually, resulting in low detection efficiency.

[0003] The applicant searched and found that a Chinese patent document with the publication number of 116955033A disclosed a platform design method, device and HIL test system for an HIL test system on October 27, 2023. The method includes: classifying the hardware devices in the HIL test system to obtain different devices, standard devices and customized devices; decoupling the closed-loop model in the HIL test system into an environment model and an HIL bench equipment control model on the architecture, and classifying the HIL bench equipment control model based on the type of hardware device to obtain different device models, standard device models and customized device models. This device also cannot solve the above technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide an automatic docking device and control method for HIL testing that can realize automatic switching detection of multiple controllers on HIL test equipment. Summary of the Invention

[0005] The purpose of the present invention is to provide an automatic docking device and control method for HIL testing that can realize automatic switching detection of multiple controllers on HIL test equipment.

[0006] To solve the above technical problems, the technical solution adopted by the present invention is: an automatic docking device for HIL testing, including a fixed bracket, on which a connector fixing seat is provided; a slide rail structure is provided on one side of the fixed bracket; a connector docking seat is provided on the slide rail structure; the connector docking seat is connected to an HIL cabinet, and the connector docking seat is connected to the connector fixing seat; the connector fixing seat is connected to a controller.

[0007] The connector docking base includes a bottom plate; the bottom plate is connected with a connector connecting plate; a first connector is provided on the connector connecting plate; the connector connecting plate is connected with the connector fixing base.

[0008] The connector connecting plate is provided with bolt mounting holes; connecting bolts are provided in the bolt mounting holes; the connecting bolts are connected with the bottom plate, and springs are provided on the connecting bolts.

[0009] The connector connecting plate is provided with positioning pins; positioning pin sleeves and second connectors are respectively provided on the connector fixing base; the positioning pins are connected in the positioning pin sleeves; the second connectors are connected with the first connectors.

[0010] The fixing bracket is provided with a controller fixing bracket; the controller fixing bracket is arranged on a side of the fixing bracket away from the connector fixing base; the controller fixing bracket is connected with the connector fixing base, and the controller fixing bracket is connected with the controller; the controller is connected with the second connector.

[0011] The slide rail structure includes a Z-direction slide rail assembly; an X-direction slide rail assembly is connected to the Z-direction slide rail assembly; the X-direction slide rail assembly is connected with the bottom plate.

[0012] The Z-direction slide rail assembly includes a first motor; the first motor is connected with a first lead screw; the first lead screw is connected with a first mounting seat; the first mounting seat is connected with the X-direction slide rail assembly; the X-direction slide rail assembly includes a second motor; the second motor is connected with a second lead screw; the second lead screw is connected with a second mounting seat; the second mounting seat is connected with the bottom plate.

[0013] The connecting bolts are in clearance fit with the bolt mounting holes; the bottom plate is provided with a mounting groove; the HIL cabinet includes a connecting plug; the connecting plug is connected in the mounting groove, and the connecting plug is connected with the first connector;

[0014] The side surface of the fixing bracket is provided with a bolt fixing groove; the connector fixing base is provided with fixing bolts; the fixing bolts are connected in the bolt fixing grooves.

[0015] A control method for the automatic docking device for HIL testing, the control method includes the following steps:

[0016] S1: Connect the connecting plug of the HIL cabinet with the first connector; install a plurality of connector fixing bases on the fixing bracket;

[0017] S2: Install the controller on the controller fixing bracket; connect the controller with the second connector;

[0018] S3: The Z-direction slide rail assembly controls the X-direction slide rail assembly to move in the vertical direction, and selects the controller to be tested; the X-direction slide rail assembly controls the plug connection plate to move in the horizontal direction; the first plug is connected to the second plug.

[0019] S3 includes:

[0020] S31: When the position of the connector fixing seat deviates from that of the connector connection plate, the positioning pin is inserted into the positioning pin sleeve; the connector connection plate is moved to a position aligned with the connector fixing seat.

[0021] The beneficial effects of this application are:

[0022] Multiple connector fixing seats are provided on the fixing bracket of this application, and the connector fixing seats are electrically connected to the controller to be detected; the connector docking seat is fixedly connected to the slide rail structure, and the connector docking seat is electrically connected to the HIL cabinet; the slide rail structure can realize the vertical and horizontal movement of the connector docking seat, so as to automatically select and switch the electrical connection between different connector fixing seats and the controller to be detected for HIL testing; this device can automatically switch the controller under test, providing a hardware platform for unattended full-process testing; at the same time, the installation positions of the connector fixing seat and the connector docking seat of this device have low requirements, and automatic alignment can be realized to ensure the reliability of the insertion of the first plug and the second plug. Description of the Drawings

[0023] The following further details the specific implementation manners of the present invention in conjunction with the drawings, where:

[0024] Figure 1 is a schematic structural diagram of the automatic docking device for this HIL test.

[0025] Figure 2 is a schematic connection structure diagram of the connector fixing seat and the connector docking seat of the automatic docking device for this HIL test.

[0026] The markings in the above figures are all:

[0027] The markings in the figure are:

[0028] 1. Fixing bracket, 101. Bolt fixing groove,

[0029] 2. Connector fixing seat, 201. Fixing bolt,

[0030] 3. Connector docking seat,

[0031] 4. Base plate, 401. Connector connecting plate, 402. First connector, 403. Bolt mounting hole, 404. Connecting bolt, 405. Spring, 406. Positioning pin, 407. Installation groove

[0032] 5. Positioning pin sleeve, 501. Second connector

[0033] 6. Controller fixing bracket

[0034] 7. Z-direction slide rail assembly, 701. First motor, 702. First mounting seat

[0035] 8. X-direction slide rail assembly, 801. Second motor, 802. Second mounting seat Detailed implementation manners

[0036] The following is a more detailed description of the specific implementation manners of the present invention by describing the embodiments with reference to the accompanying drawings, aiming to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present invention and facilitate its implementation.

[0037] Figure 1 The automatic docking device for HIL testing shown includes a fixing bracket 1, and a connector fixing seat 2 is provided on the fixing bracket 1; a slide rail structure is provided on one side of the fixing bracket 1; a connector docking seat 3 is provided on the slide rail structure; the connector docking seat 3 is connected to a HIL cabinet, and the connector docking seat 3 is connected to the connector fixing seat 2; the connector fixing seat 2 is connected to a controller.

[0038] A plurality of connector fixing seats 2 are provided on the fixing bracket 1, and the connector fixing seats 2 are electrically connected to the controller to be detected; the connector docking seat 3 is fixedly connected to the slide rail structure, and the connector docking seat 3 is electrically connected to the HIL cabinet; the slide rail structure can realize the vertical and horizontal movement of the connector docking seat 3, so as to automatically select and switch different connector fixing seats 2 to be electrically connected to the controller to be detected for HIL testing; this device can automatically switch the controller under test and provide a hardware platform for unattended operation of the entire testing process.

[0039] The connector docking seat 3 includes a base plate 4; the base plate 4 is connected to a connector connecting plate 401; a first connector 402 is provided on the connector connecting plate 401; the connector connecting plate 401 is connected to the connector fixing seat 2.

[0040] The bottom plate 4 is a square plate; the bottom plate 4 is fixedly connected to the second mounting seat 802 of the X-direction slide rail assembly 8; an installation groove 407 is provided on the bottom plate 4 to limit and guide the connection plug of the HIL cabinet; the first plug-in part 402 is a bridging plug; the connection ends of the first plug-in part 402 are respectively arranged on both sides of the plug-in part connection plate 401; after one side of the first plug-in part 402 is connected to the connection plug of the HIL cabinet, the other side of the first plug-in part 402 is connected to the second plug-in part 501.

[0041] Bolt mounting holes 403 are provided on the plug-in part connection plate 401; connection bolts 404 are provided in the bolt mounting holes 403; the connection bolts 404 are connected to the bottom plate 4, and springs 405 are provided on the connection bolts 404.

[0042] The end of the connection bolt 404 with a nut is clamped in the bolt mounting hole 403, and the threaded end of the connection bolt 404 is threadedly connected to the bottom plate 4; the spring 405 is sleeved on the connection bolt 404; when the plug-in connection docking seat 3 approaches the plug-in connection fixed seat 2, the bottom plate 4 squeezes the connection bolt 404 to push the plug-in part connection plate 401 to move; the connection bolt 404 can control the insertion force at the insertion end point to avoid damage to the plug-in connection or equipment caused by excessive insertion force.

[0043] A positioning pin 406 is provided on the plug-in part connection plate 401; positioning pin sleeves 5 and a second plug-in part 501 are respectively provided on the plug-in connection fixed seat 2; the positioning pin 406 is connected in the positioning pin sleeve 5; the second plug-in part 501 is connected to the first plug-in part 402.

[0044] The positioning pin 406 is arranged on the side of the plug-in part connection plate 401 away from the bottom plate 4; the positioning pins 406 are respectively fixedly connected to both ends of the plug-in part connection plate 401; the positioning pin sleeves 5 are fixedly connected to the plug-in connection fixed seat 2 and are arranged at both ends of the plug-in connection fixed seat 2; when the X-axis slide rail assembly 8 moves the plug-in connection docking seat 3 to dock with the plug-in connection fixed seat 2, first, the positioning pin 406 fixed on the plug-in part connection plate 401 is inserted into the positioning pin sleeve 5. If the position of the plug-in connection fixed seat 2 deviates relative to the plug-in part connection plate 401, the positioning pin 406 makes the plug-in part connection plate 401 move to a position aligned with the plug-in connection fixed seat 2, thus realizing automatic alignment; the second plug-in part 501 is a bridging plug; the connection ends of the second plug-in part 501 are respectively arranged on both sides of the plug-in connection fixed seat 2; one end of the second plug-in part 501 is connected to the first plug-in part 402, and the other end of the second plug-in part 501 is connected to the controller.

[0045] A controller fixing bracket 6 is provided on the fixing bracket 1; the controller fixing bracket 6 is arranged on the side of the fixing bracket 1 away from the plug-in connection fixed seat 2; the controller fixing bracket 6 is connected to the plug-in connection fixed seat 2 and is connected to the controller; the controller is connected to the second plug-in part 501.

[0046] The controller fixing bracket 6 is of a U-shaped structure; the controller fixing bracket 6 can provide an installation position for the controller and provide stable support; the controller fixing bracket 6 passes through the fixing bracket 1 and is fixedly connected to the connector fixing base 2; the controller is electrically connected to the second connector 501.

[0047] The slide rail structure includes a Z-direction slide rail assembly 7; an X-direction slide rail assembly 8 is connected to the Z-direction slide rail assembly 7; the X-direction slide rail assembly 8 is connected to the bottom plate 4.

[0048] The Z-direction slide rail assembly 7 is vertically arranged; the X-direction slide rail assembly 8 is horizontally arranged; the Z-direction slide rail assembly 7 can control the X-direction slide rail assembly 8 to move in the vertical direction; the X-direction slide rail assembly 8 can control the connector docking seat 3 to move in the horizontal direction.

[0049] The Z-direction slide rail assembly 7 includes a first motor 701; the first motor 701 is connected to a first lead screw; the first lead screw is connected to a first mounting seat 702; the first mounting seat 702 is connected to the X-direction slide rail assembly 8; the X-direction slide rail assembly 8 includes a second motor 801; the second motor 801 is connected to a second lead screw; the second lead screw is connected to a second mounting seat 802; the second mounting seat 802 is connected to the bottom plate 4.

[0050] The first motor 701 drives the first lead screw to rotate; the first mounting seat 702 is sleeved on the first lead screw, the first lead screw is provided with an external thread, and the first mounting seat 702 is provided with a corresponding internal thread, so as to be able to drive the first mounting seat 702 to move in the vertical direction along the first lead screw; the first mounting seat 702 is fixedly connected to the housing of the X-direction slide rail assembly 8; thus, it can drive the X-direction slide rail assembly 8 to move in the vertical direction; the second motor 801 drives the second lead screw to rotate, the second mounting seat 802 is sleeved on the second lead screw, the second lead screw is provided with an external thread, and the second mounting seat 802 is provided with a corresponding internal thread, so as to be able to drive the second mounting seat 802 to move in the horizontal direction along the second lead screw; the second mounting seat 802 is fixedly connected to the side surface of the bottom plate 4, thus enabling the horizontal movement of the connector docking seat 3.

[0051] The connecting bolt 404 is in clearance fit with the bolt mounting hole 403; the bottom plate 4 is provided with a mounting groove 407; the HIL cabinet includes a connecting plug; the connecting plug is connected in the mounting groove 407, and the connecting plug is connected to the first connector 402.

[0052] The connecting bolt 404 is in clearance fit with the bolt mounting hole 403, providing a clearance space for the automatic alignment of the connector connecting plate 401.

[0053] The side surface of the fixing bracket 1 is provided with a bolt fixing groove 101; the connector fixing base 2 is provided with a fixing bolt 201; the fixing bolt 201 is connected in the bolt fixing groove 101.

[0054] The bolt fixing groove 101 is provided with a plurality of threaded holes; a plurality of connector fixing seats 2 are arranged along the vertical direction of the fixing bracket 1 and are connected to the fixing bracket 1 through fixing bolts 201.

[0055] A control method for an automatic docking device for HIL testing, the control method comprising the following steps:

[0056] S1: Connect the connection plug of the HIL cabinet to the first connector 402; install a plurality of connector fixing seats 2 on the fixing bracket 1;

[0057] S2: Install a controller on the controller fixing bracket 6; connect the controller to the second connector 501;

[0058] S3: The Z-direction slide rail assembly 7 controls the X-direction slide rail assembly 8 to move in the vertical direction, and selects the controller to be tested; the X-direction slide rail assembly 8 controls the connector connection plate 401 to move in the horizontal direction; the first connector 402 is connected to the second connector 501.

[0059] In S1, the HIL cabinet is electrically connected to the connector docking seat 3, and at the same time, a plurality of connector fixing seats 2 are installed on the fixing bracket 1 to provide an installation position for the controller to be detected; in S2, the controller to be detected is installed on the controller fixing bracket 6, and the controller is electrically connected to the second connector 501; in S3, the Z-direction slide rail assembly 7 controls the vertical position of the connector connection plate 401, and selects and switches the controller to be detected; the X-direction slide rail assembly 8 controls the horizontal position of the connector connection plate 401 to connect the first connector 402 to the second connector 501.

[0060] S3 includes:

[0061] S31: When the position of the connector fixing seat 2 deviates from the connector connection plate 401, the positioning pin 406 is inserted into the positioning pin sleeve 5; the connector connection plate 401 is moved to a position aligned with the connector fixing seat 2.

[0062] In S31, the pin head of the positioning pin 406 is provided with an inclined surface, and the positioning pin 406 cooperates with the positioning pin sleeve 5 to enable automatic alignment of the connector connection plate 401 and the connector fixing seat 2.

[0063] The specific working process of the present invention is as follows:

[0064] S1: Connect the connection plug of the HIL cabinet to the first connector 402; install a plurality of connector fixing seats 2 on the fixing bracket 1;

[0065] S2: Install a controller on the controller fixing bracket 6; connect the controller to the second connector 501;

[0066] S3: The Z-direction slide rail assembly 7 controls the X-direction slide rail assembly 8 to move in the vertical direction, and selects the controller to be tested; the X-direction slide rail assembly 8 controls the plug connection plate 401 to move in the horizontal direction; the first plug 402 is connected to the second plug 501.

[0067] The present invention has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned manner. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the present invention; or without improvement, the above-mentioned concept and technical solution of the present invention are directly applied to other occasions, they are all within the protection scope of the present invention.

Claims

1. An automatic docking device for HIL testing, characterized in that: It includes a fixed bracket (1), on which a connector fixing base (2) is provided; a slide rail structure is provided on one side of the fixed bracket (1); a connector docking base (3) is provided on the slide rail structure; the connector docking base (3) is connected to a HIL cabinet, and the connector docking base (3) is connected to the connector fixing base (2); the connector fixing base (2) is connected to a controller.

2. The automatic docking device for HIL testing according to claim 1, wherein: The connector docking base (3) includes a bottom plate (4); the bottom plate (4) is connected to a connector connecting plate (401); a first connector (402) is provided on the connector connecting plate (401); the connector connecting plate (401) is connected to the connector fixing base (2).

3. The automatic docking device for HIL testing according to claim 2, wherein: Bolting holes (403) are provided on the connector connecting plate (401); connecting bolts (404) are provided in the bolting holes (403); the connecting bolts (404) are connected to the bottom plate (4), and springs (405) are provided on the connecting bolts (404).

4. The automatic docking device for HIL testing according to claim 3, wherein: A positioning pin (406) is provided on the connector connecting plate (401); a positioning pin sleeve (5) and a second connector (501) are respectively provided on the connector fixing base (2); the positioning pin (406) is connected in the positioning pin sleeve (5); the second connector (501) is connected to the first connector (402).

5. An automatic docking device for HIL testing according to claim 4, characterized in that: A controller fixing bracket (6) is provided on the fixed bracket (1); the controller fixing bracket (6) is arranged on the side of the fixed bracket (1) away from the connector fixing base (2); the controller fixing bracket (6) is connected to the connector fixing base (2), and the controller fixing bracket (6) is connected to the controller; the controller is connected to the second connector (501).

6. An automatic docking device for HIL testing according to any one of claims 4-5, characterized in that: The slide rail structure includes a Z-direction slide rail assembly (7); an X-direction slide rail assembly (8) is connected to the Z-direction slide rail assembly (7); the X-direction slide rail assembly (8) is connected to the bottom plate (4).

7. An automatic docking device for HIL testing according to claim 6, characterized in that: The Z-direction slide rail assembly (7) includes a first motor (701); the first motor (701) is connected to a first lead screw; the first lead screw is connected to a first mounting seat (702); the first mounting seat (702) is connected to the X-direction slide rail assembly (8); the X-direction slide rail assembly (8) includes a second motor (801); the second motor (801) is connected to a second lead screw; the second lead screw is connected to a second mounting seat (802); the second mounting seat (802) is connected to the bottom plate (4).

8. An automatic docking device for HIL testing according to claim 7, characterized in that: The connecting bolt (404) is in clearance fit with the bolting hole (403); an installation groove (407) is provided on the bottom plate (4); the HIL cabinet includes a connecting plug; the connecting plug is connected in the installation groove (407), and the connecting plug is connected to the first connector (402); A bolt fixing groove (101) is provided on the side surface of the fixed bracket (1); a fixing bolt (201) is provided on the connector fixing base (2); the fixing bolt (201) is connected in the bolt fixing groove (101).

9. A control method for the automatic docking device for HIL testing according to any one of claims 1-8, characterized in that: The control method includes the following steps: S1: Connect the connection plug of the HIL cabinet machine to the first connector (402); install a plurality of connector fixing seats (2) on the fixing bracket (1); S2: Install the controller on the controller fixing bracket (6); connect the controller to the second connector (501); S3: The Z-direction slide rail assembly (7) controls the X-direction slide rail assembly (8) to move in the vertical direction, and select the controller to be tested; the X-direction slide rail assembly (8) controls the connector connecting plate (401) to move in the horizontal direction; the first connector (402) is connected to the second connector (501).

10. The control method according to claim 9, wherein: S3 includes: S31: When the position of the connector fixing seat (2) deviates from the connector connecting plate (401), the positioning pin (406) is inserted into the positioning pin sleeve (5); move the connector connecting plate (401) to a position aligned with the connector fixing seat (2).

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