Collision avoidance device suitable for automobile test

Abstract

The utility model discloses a collision avoidance device suitable for an automobile test, which comprises a ground and a test vertical board, and is characterized in that a test channel which is perpendicular to the driving direction of a tested automobile and extends along the horizontal direction is arranged in the ground, a sliding chute is arranged at the top of the test channel, and a sliding platform for electric sliding displacement is arranged in the test channel; a sliding groove is formed in the vertical test board, a crushing block is arranged at the top of the sliding platform and extends upwards out of the sliding groove, and a base is arranged at the bottom of the vertical test board and connected with the crushing block. When collision occurs, the breaking block is broken preferentially, and the connection between the test vertical board and the sliding platform is released before the sliding platform is damaged, so that the protection of the sliding platform on the sliding rail and the power device corresponding to the sliding platform is realized.

Description

Technical Field

[0001] The utility model relates to the field of automobile collision test equipment, in particular to a collision avoidance device suitable for automobile testing. Background Art

[0002] The vehicle automatic obstacle avoidance test device is a device used to detect and evaluate the performance of the vehicle's automatic obstacle avoidance system. The device consists of a movable obstacle simulator and a control system, which can simulate various obstacle avoidance scenarios under different road conditions and speeds, such as pedestrians, animals, and vehicles suddenly appearing in front. The device can provide real-time obstacle avoidance feedback and data recording to help vehicle developers and testers optimize and verify the function and safety of the automatic obstacle avoidance system.

[0003] Since collision avoidance tests are often conducted on vehicles that are under development and design, their collision avoidance equipment is not fully functional and may collide with the test device during the test. The impact of the collision may damage the movable obstacle simulator and may also cause damage to the vehicle, reducing the efficiency of the test. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing automobile test collision device may be damaged during the test process, and a collision avoidance device suitable for automobile test is provided.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a collision avoidance device suitable for automobile testing, which includes a ground and a test stand, a test channel extending horizontally perpendicular to the driving direction of the test vehicle is arranged inside the ground, a slide groove is arranged on the top of the test channel, and the bottom of the test stand is electrically slidably connected and arranged in the test channel, and the top of the test stand extends to the top of the ground through the slide groove, and mounting platforms are arranged on both sides of the test channel. The top of the mounting platform is fixedly connected to a linear slide rail, and the extension direction of the linear slide rail is arranged parallel to the test channel. A saddle is slidably connected to the top of the linear slide rail, and a sliding platform is connected to the top of the saddle. A limiting bracket is arranged on the top of the sliding platform, and a detachable and replaceable crushing block is connected to the limiting bracket, and a base is connected to the bottom of the test stand, and the bottom of the base is detachably connected to the top of the crushing block.

[0006] Furthermore, a limit plate is arranged at the bottom end of the crushing block, and the limit plate is arranged along the sliding direction of the sliding platform. Clamps cooperating with the limit plate are arranged on both sides of the top of the limit bracket.

[0007] Furthermore, a breaking latch is arranged on the top of the breaking block, and the breaking latch extends above the breaking block to the top of the slide slot. A slot cooperating with the breaking latch is arranged at the bottom of the base, and the depth of the slot is smaller than the height setting of the breaking latch, so as to ensure that the breaking block breaks first when a collision occurs, thereby releasing the connection between the sliding platform and the test stand, and preventing the sliding platform from being damaged by impact.

[0008] Furthermore, a magnetic track is arranged at the bottom center of the test channel, and a plurality of permanent magnets are equidistantly arranged on the top of the magnetic track. The arrangement direction of the permanent magnets is parallel to the extension direction of the test channel. A linear motor cooperating with the magnetic track is arranged at the bottom center of the sliding platform. The bottom of the linear motor extends above the magnetic track. A motor controller is provided on one side of the sliding platform to change the current input to the linear motor to generate magnetic force to achieve displacement.

[0009] Furthermore, inspection windows are provided at the top of both ends of the test channel, a workbench is set up on the top of the inspection window on one side, a control panel and a speed measuring radar are provided on the top of the workbench to realize the measurement of the test vehicle distance and relative speed, and the movement speed and acceleration of the sliding platform are set by the control panel, so that the speed of the sliding platform can be changed according to the vehicle distance and relative speed during the test, and more complex working scenes can be simulated.

[0010] Compared with the prior art, the utility model has the following advantages: a breakable block made of easily damaged material is used to connect and fix the test stand simulating an obstacle and the sliding platform; when a collision occurs, the breakable block breaks first, and the connection between the test stand and the sliding platform is released before the sliding platform is damaged, thereby protecting the sliding platform and its corresponding slide rail and power device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The present invention is a structural schematic diagram of a collision avoidance device suitable for automobile testing.

[0012] Figure 2 The present invention is a partial structural schematic diagram of a collision avoidance device suitable for automobile testing.

[0013] Figure 3 The present invention is a partial structural schematic diagram of a collision avoidance device suitable for automobile testing.

[0014] Figure 4 It is a schematic diagram of the exploded structure of a collision avoidance device suitable for automobile testing.

[0015] As shown in the figure: 1. Ground, 2. Test stand, 3. Slide, 4. Workbench, 5. Control panel, 6. Speed ​​radar, 7. Test channel, 8. Inspection window, 9. Mounting table, 10. Magnetic track, 11. Permanent magnet, 12. Linear slide, 13. Saddle, 14. Sliding platform, 15. Limit bracket, 16. Linear motor, 17. Motor controller, 18. Breaking block, 19. Base, 20. Clamp, 21. Limit plate, 22. Breaking latch, 23. Slot. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] Combined with Figure 1-4 A collision avoidance device suitable for automobile testing comprises a ground 1 and a test stand 2, wherein a test channel 7 extending horizontally perpendicular to the driving direction of the test vehicle is arranged inside the ground 1, a slide groove 3 is arranged on the top of the test channel 7, the bottom of the test stand 2 is electrically slidably connected and arranged in the test channel 7, the top of the test stand 2 extends to the top of the ground 1 through the slide groove 3, mounting platforms 9 are arranged on both sides of the test channel 7, the top of the mounting platform 9 is fixedly connected to a linear slide rail 12, the extension direction of the linear slide rail 12 is arranged parallel to the test channel 7, the top of the linear slide rail 12 is slidably connected and arranged with a slide saddle 13, the A sliding platform 14 is connected to the top of the saddle 13, and a limit bracket 15 is set on the top of the sliding platform 14. A detachable and replaceable breaking block 18 is connected to the limit bracket 15. The breaking block 18 is made of low-strength polystyrene plastic. When the detection vehicle cannot avoid the collision during the collision avoidance test, even if it collides with the test stand 2, the breaking block 18 will be broken first, thereby avoiding damage to the linear slide rail 12 and the sliding platform 14 of the device and its electric device due to the collision. A base 19 is connected to the bottom of the test stand 2, and the bottom of the base 19 is detachably connected to the top of the breaking block 18.

[0018] Inspection windows 8 are set at the top of both ends of the test channel 7, and a workbench 4 is set on the top of the inspection window 8 on one side. A control panel 5 and a speed radar 6 are set on the top of the workbench 4. The device can set the movement speed and acceleration of the sliding platform 14 through the control panel 5, and can change the speed of the sliding platform 14 according to the vehicle distance and relative speed during the test, and can simulate more complex working scenes. The speed radar 6 can measure the test vehicle distance and relative speed.

[0019] A limit plate 21 is provided at the bottom end of the crushing block 18, and the limit plate 21 is provided along the sliding direction of the sliding platform 14. Clamps 20 cooperating with the limit plate 21 are provided on both sides of the top of the limit bracket 15. A breaking clamp 22 is provided on the top of the crushing block 18, and the breaking clamp 22 extends above the crushing block 18 to the top of the slide 3. A slot 23 cooperating with the breaking clamp 22 is provided at the bottom of the base 19, and the depth of the slot 23 is less than the height of the breaking clamp 22. The limit plate 21 at the bottom of the crushing block 18 and the breaking clamp 22 at the top are both set to be thin plates with poor impact resistance, ensuring that the crushing and fracture occur first in the event of a collision to protect the device. At the same time, the breaking clamp 22 extends to the top of the slide 3 and is connected to the base 19, and the length of the clamp is greater than the depth of the slot. In the event of a collision, the base 19 can shear the breaking clamp 22 to ensure that the crushing block 18 is destroyed first.

[0020] A magnetic track 10 is arranged at the bottom center of the test channel 7, and a plurality of permanent magnets 11 are equidistantly arranged on the top of the magnetic track 10. The arrangement direction of the permanent magnets 11 is parallel to the extension direction of the test channel 7. A linear motor 16 cooperating with the magnetic track 10 is arranged at the bottom center of the sliding platform 14. The bottom of the linear motor 16 extends to the top of the magnetic track 10. A motor controller 17 is provided on one side of the sliding platform 14. The motor controller 17 changes the input current of the linear motor 16 to generate alternating magnetic force to achieve displacement.

[0021] During the specific implementation of the utility model, the staff operates the control panel 5 to control the sliding platform 14 to move to the inspection window 8, selects the broken block 18 to connect and install the test stand 2 with the sliding platform 14, and sets the movement mode of the sliding platform 14 according to the test requirements. During the test, the speed radar 6 detects the measured distance and speed in real time, and the sliding platform 14 moves according to the setting. When the vehicle fails to complete the collision avoidance and collides with the test stand 2, the broken block 18 is broken first by the impact, contacting the connection between the test stand 2 and the sliding platform 14, preventing the sliding platform 14 and the linear slide rail 12 from being damaged by the impact. After the test, the control panel 5 is operated to control the sliding platform 14 to move to the inspection window 8 to remove the broken broken block 18.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A collision avoidance device suitable for automobile testing, comprising a ground surface (1) and a test stand (2), characterized in that: A test channel (7) extending horizontally perpendicular to the driving direction of the test vehicle is arranged inside the ground (1), a slide groove (3) is arranged at the top of the test channel (7), the bottom of the test stand (2) is electrically slidably connected and arranged in the test channel (7), the top of the test stand (2) extends to the top of the ground (1) through the slide groove (3), mounting platforms (9) are arranged on both sides of the test channel (7), the top of the mounting platform (9) is fixedly connected to a linear slide rail (12), the extension direction of the linear slide rail (12) is arranged parallel to the test channel (7), the top of the linear slide rail (12) is slidably connected to a slide saddle (13), the top of the slide saddle (13) is connected to a slide platform (14), the top of the slide platform (14) is provided with a limit bracket (15), the limit bracket (15) is connected to a detachable and replaceable crushing block (18), the bottom of the test stand (2) is connected to a base (19), the bottom of the base (19) is detachably connected to the top of the crushing block (18).

2. A collision avoidance device suitable for automobile testing according to claim 1, characterized in that: A limit plate (21) is arranged at the bottom end of the crushing block (18), and the limit plate (21) is arranged along the sliding direction of the sliding platform (14). Clamps (20) matching the limit plate (21) are arranged on both sides of the top of the limit bracket (15).

3. A collision avoidance device suitable for automobile testing according to claim 2, characterized in that: A breaking latch (22) is arranged on the top of the breaking block (18), and the breaking latch (22) extends above the breaking block (18) to the top of the slide groove (3). A slot (23) cooperating with the breaking latch (22) is arranged on the bottom of the base (19), and the depth of the slot (23) is less than the height of the breaking latch (22).

4. The collision avoidance device suitable for automobile testing according to claim 1, characterized in that: A magnetic track (10) is arranged at the center of the bottom of the test channel (7); a plurality of permanent magnets (11) are arranged at equal intervals on the top of the magnetic track (10); the arrangement direction of the permanent magnets (11) is arranged parallel to the extension direction of the test channel (7); a linear motor (16) cooperating with the magnetic track (10) is arranged at the center of the bottom of the sliding platform (14); the bottom of the linear motor (16) extends to the top of the magnetic track (10); and a motor controller (17) is arranged on one side of the sliding platform (14).

5. The collision avoidance device suitable for automobile testing according to claim 1, characterized in that: Inspection windows (8) are arranged at the tops of both ends of the test channel (7), a workbench (4) is set up on the top of the inspection window (8) on one side, and a control panel (5) and a speed measuring radar (6) are arranged on the top of the workbench (4).

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