Vehicle navigation test board

Abstract

The utility model discloses a vehicle navigation test board, and belongs to the technical field of navigation. The device mainly comprises a frame body; the lane changing mechanism is located at the upper end of the frame body, the lane changing mechanism is provided with a simulation vehicle, and the lane changing mechanism comprises a sliding assembly which is located at the upper end of the frame body and is provided with a first sliding block; the transmission unit is located at the upper end of the first sliding block, and the transmission unit is provided with a second sliding block; the supporting disc is located at the upper end of the second sliding block; the lifting mechanism is located at the upper end of the supporting disc, and the lifting assembly is located at the upper end of the supporting disc. According to the vehicle navigation testboard provided by the invention, the lane changing mechanism is arranged, so that the effect of accurately measuring the lane changing of the vehicle under the test of high-precision positioning and navigation of the vehicle is achieved.

Description

Technical Field

[0001] The present application relates to the field of navigation technology, and in particular to a vehicle navigation test bench. Background Art

[0002] Today, the autonomous driving industry is developing and progressing, but vision and lidar only provide relative positioning. The most basic root of unmanned driving or lane-level navigation is lane-level positioning based on absolute positioning. High-level autonomous driving has higher requirements for positioning accuracy, which needs to reach centimeter level, which promotes the continuous development of high-precision combined positioning technology, and the high-precision positioning market has ushered in development opportunities;

[0003] In order to ensure the development of the autonomous driving industry, it is particularly important to conduct comprehensive tests on the accuracy and reliability of vehicle navigation systems. The vehicle navigation test bench came into being, which integrates a variety of testing technologies and equipment to simulate real or specific driving environments and conduct a comprehensive evaluation of the navigation system;

[0004] For example, the patent with publication number CN213122297U discloses a navigation product test bench. This patent sets up multiple fixtures, and can select one of the multiple fixtures to be assembled on the bracket according to the test requirements, and then install the corresponding navigation product in the fixture. The corresponding navigation product moves relative to the bracket driven by the fixture for testing.

[0005] In the process of implementing the above patent, since the corresponding navigation product moves relative to the bracket driven by the fixture, it is not suitable for testing the positioning navigation vehicle, and it is impossible to accurately measure the performance such as lane changing, thus affecting the product quality.

[0006] Therefore, it is necessary to provide a vehicle navigation test bench to solve the above problems.

[0007] It should be noted that the above information disclosed in this background technology section is only for understanding the background technology of the present application concept, and therefore, it may contain information that does not constitute the prior art. Summary of the invention

[0008] Based on the above problems existing in the prior art, the problem to be solved by the present application is: to provide a vehicle navigation test bench, which solves the problem that it is difficult to test the performance of a positioning navigation vehicle such as lane changing.

[0009] The technical solution adopted by the present application to solve the technical problem is: a vehicle navigation test bench, comprising:

[0010] Frame;

[0011] A lane changing mechanism, which is located at the upper end of the frame, is used for lane changing simulation during vehicle navigation testing, has a simulated vehicle, and includes:

[0012] A sliding assembly, the sliding assembly is located at the upper end of the frame, and the sliding assembly has a first sliding block;

[0013] A transmission unit, the transmission unit is located at the upper end of the first slider, and the transmission unit has a second slider;

[0014] A support plate, the support plate is located at an upper end of the second sliding block;

[0015] A lifting mechanism, the lifting mechanism is located at the upper end of the support plate, and the lifting mechanism is suitable for simulating different road undulations for the vehicle;

[0016] A lifting assembly is located at the upper end of the supporting plate.

[0017] Furthermore, the sliding assembly includes a first slide rail fixedly arranged at the upper end of the frame, a first motor is fixedly arranged on one side of the first slide rail, a first lead screw is fixedly installed at the output end of the first motor, the first slider is transmission-connected to the first lead screw, and blocks are fixedly arranged at both ends of the first slide rail.

[0018] Furthermore, the transmission unit includes a second slide rail fixedly arranged on the upper end of the first slider, a second motor is fixedly arranged on one side of the second slide rail, a second lead screw is fixedly installed on the output end of the second motor, and the second slider is transmission-connected to the second lead screw.

[0019] Further, the lifting assembly includes a support frame fixedly arranged at the upper end of the support plate, a guide rail is fixedly arranged inside the support frame, a connecting block is slidably arranged inside the support frame, a slide groove is opened on the edge of the connecting block, and the slide groove is adapted to the guide rail.

[0020] Furthermore, a cylinder is fixedly provided on the upper end of the support frame, and an output end of the cylinder is fixedly connected to the connecting block.

[0021] The beneficial effect of the present application is that a vehicle navigation test bench provided by the present application achieves the effect of accurately measuring the lane change of the vehicle under the test of a high-precision positioning navigation vehicle by setting up a lane change mechanism.

[0022] In addition to the above-described purposes, features and advantages, the present application also has other purposes, features and advantages. The present application will be further described in detail with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting part of the present application are used to provide a further understanding of the present application. The exemplary embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0024] Figure 1 It is an overall schematic diagram of a vehicle navigation test bench in this application;

[0025] Figure 2 for Figure 1 Schematic diagram of the mid lane change mechanism;

[0026] Figure 3 for Figure 1 Schematic diagram of the lifting mechanism;

[0027] Among them, the reference numerals in the figure are:

[0028] 1. Frame; 2. Lane changing mechanism; 3. Lifting mechanism; 20. First motor; 21. First slide rail; 22. First slider; 23. First lead screw; 24. Second motor; 25. Second slider; 26. Second lead screw; 27. Second slide rail; 30. Support plate; 31. Support frame; 32. Guide rail; 33. Cylinder; 34. Connecting block; 35. Simulated vehicle. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0031] like Figure 1-Figure 2 As shown, the present application provides a vehicle navigation test bench, comprising a frame 1, and a lane changing mechanism 2 fixedly arranged on the upper end of the frame 1, the lane changing mechanism 2 is used for lane changing simulation during vehicle navigation testing;

[0032] At the same time, a simulated vehicle 35 is arranged on the lane changing mechanism 2, and the simulated vehicle 35 is suitable for simulating a normal vehicle in the entire simulation test;

[0033] The lane-changing mechanism 2 includes a sliding assembly fixedly arranged at the upper end of the frame 1, and the sliding assembly is suitable for changing lanes to the left or right during vehicle navigation testing. The sliding assembly includes a first slide rail 21 fixedly arranged at the upper end of the frame 1, and a first slider 22 is slidably connected to the upper end of the first slide rail 21. A first motor 20 is fixedly arranged on one side of the first slide rail 21, and a first lead screw 23 is fixedly installed at the output end of the first motor 20, and the first slider 22 is transmission-connected to the first lead screw 23, so that when the first motor 20 is in operation, the first slider 22 can be driven to move along the direction of the first slide rail 21;

[0034] And blocks (not shown in the figure) are fixedly provided at both ends of the first slide rail 21, and the blocks are used to limit the position of the first slider 22, so that when the first slider 22 contacts the blocks, the first slider 22 stops moving, and the vehicle navigation test ends and changes lanes to the left or right;

[0035] At the same time, a transmission unit is fixedly arranged on the first slider 22, and the transmission unit is suitable for simulating the normal driving of the vehicle 35. The transmission unit includes a second slide rail 27 fixedly arranged on the upper end of the first slider 22, and the second slider 25 is slidably connected to the upper end of the second slide rail 27. A second motor 24 is fixedly arranged on one side of the second slide rail 27, and a second lead screw 26 is fixedly installed on the output end of the second motor 24. The second slider 25 is transmission-connected with the second lead screw 26, so that when the second motor 24 is in operation, the second slider 25 can be driven to move along the direction of the second slide rail 27;

[0036] When the simulated vehicle 35 performs lane change, the transmission unit drives the vehicle to travel normally. When the navigation system prompts to avoid, the first motor 20 starts to operate, driving the first slider 22 to move along the direction of the first slide rail 21, and determines to change lanes to the left or right according to the navigation prompt, until the first slider 22 contacts the block, the first slider 22 stops moving, and the simulated vehicle 35 completes the lane change operation;

[0037] like Figure 1 and Figure 3 As shown, a lifting mechanism 3 is fixedly provided on the upper end of the second slider 25, and the lifting mechanism 3 is suitable for simulating the undulation of different roads for the vehicle;

[0038] The lifting mechanism 3 includes a support plate 30 fixedly arranged at the upper end of the second slider 25, and a plurality of lifting components are fixedly arranged at the upper end of the support plate 30. The lifting components are suitable for simulating the undulation of different roads for the vehicle. The lifting components include a support frame 31 fixedly arranged at the upper end of the support plate 30, and a guide rail 32 is fixedly arranged inside the support frame 31. At the same time, a connecting block 34 is slidably arranged inside the support frame 31, and a slide groove (not shown in the figure) is opened on the edge of the connecting block 34, and the slide groove is adapted to the guide rail 32;

[0039] At the same time, a cylinder 33 is fixedly arranged at the upper end of the support frame 31, and the output end of the cylinder 33 is fixedly connected to the connecting block 34, and the cylinder 33 is suitable for pushing the connecting block 34 to slide up and down on the guide rail 32;

[0040] When the vehicle is tested for navigation, and the vehicle is driven uphill or downhill according to the navigation prompt, the cylinder in the lifting assembly pushes the connecting block 34 to slide up and down on the guide rail 32 to simulate the undulations of different roads.

[0041] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A vehicle navigation test bench, characterized in that: include: Frame (1); A lane changing mechanism (2), the lane changing mechanism (2) being located at the upper end of the frame (1), the lane changing mechanism (2) being used for simulating lane changes during vehicle navigation testing, the lane changing mechanism (2) having a simulated vehicle (35), and the lane changing mechanism (2) comprising: A sliding assembly, the sliding assembly being located at the upper end of the frame (1), the sliding assembly comprising a first sliding block (22); a transmission unit, the transmission unit being located at the upper end of the first sliding block (22), the transmission unit comprising a second sliding block (25); A support plate (30), the support plate (30) being located at an upper end of the second sliding block (25); A lifting mechanism (3), the lifting mechanism (3) being located at the upper end of the support plate (30), the lifting mechanism (3) being suitable for simulating the undulations of different roads for a vehicle A lifting component is located at the upper end of the support plate (30).

2. A vehicle navigation test bench according to claim 1, characterized in that: The sliding assembly comprises a first slide rail (21) fixedly arranged at the upper end of the frame (1); a first motor (20) is fixedly arranged on one side of the first slide rail (21); a first lead screw (23) is fixedly installed at the output end of the first motor (20); the first slider (22) is transmission-connected to the first lead screw (23); and stoppers are fixedly arranged at both ends of the first slide rail (21).

3. A vehicle navigation test bench according to claim 2, characterized in that: The transmission unit comprises a second slide rail (27) fixedly arranged on the upper end of the first slide block (22); a second motor (24) is fixedly arranged on one side of the second slide rail (27); a second lead screw (26) is fixedly mounted on the output end of the second motor (24); and the second slide block (25) is transmission-connected to the second lead screw (26).

4. The vehicle navigation test bench according to claim 1, characterized in that: The lifting assembly comprises a support frame (31) fixedly arranged on the upper end of the support plate (30), a guide rail (32) fixedly arranged inside the support frame (31), a connecting block (34) slidably arranged inside the support frame (31), a sliding groove formed on the edge of the connecting block (34), and the sliding groove being adapted to fit the guide rail (32).

5. A vehicle navigation test bench according to claim 4, characterized in that: A cylinder (33) is fixedly disposed on the upper end of the support frame (31), and an output end of the cylinder (33) is fixedly connected to the connection block (34).

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