Complete vehicle level testing device for performance of vehicle-mounted camera of commercial vehicle

Abstract

The utility model discloses a commercial vehicle vehicle-mounted camera performance whole-vehicle-level testing device, which comprises a testing chamber and a base, the testing chamber is arranged at the top of the base, the interior of the testing chamber is slidably connected with an installation table, the installation table is fixedly connected with a commercial vehicle model, and the inner side of the testing chamber is provided with a reciprocating lead screw mechanism. The inner side of the reciprocating lead screw mechanism is connected with a connecting frame, the inner wall of the connecting frame is fixedly connected with a fixing frame, the inner wall of the fixing frame is rotatably connected with a gear, a gear ring is arranged in the fixing frame, the gear is in meshed connection with the gear ring, the inner side of the gear ring is fixedly connected with a supporting frame, the supporting frame is provided with a gravel tank, and the bottom of the gravel tank is provided with a discharging pipe; an electromagnetic valve is arranged on the discharging pipe, and a push plate is slidably connected into the discharging pipe. The device can simulate the installation position of a vehicle-mounted camera on a commercial vehicle model to carry out a gravel impact test in the test process, and meanwhile, the test angle and position can be adjusted in the test process, so that the test accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted camera performance testing, in particular to a vehicle-level testing device for the performance of a commercial vehicle-mounted camera. Background Art

[0002] Vehicle camera performance testing is a comprehensive process designed to ensure that the camera can provide reliable, high-quality images under various conditions and can operate stably for a long time. Common performance tests include optical performance testing, environmental adaptability testing, and mechanical appearance inspection.

[0003] Environmental adaptability tests include gravel impact tests. Currently, when conducting environmental adaptability tests, vehicle-mounted cameras are usually installed in a fixed position and then a gravel launcher is used to spray gravel to perform an impact test on the vehicle-mounted camera. This test method cannot control the test position, which reduces the accuracy of the test and needs to be improved. Utility Model Content

[0004] The purpose of the present invention is to provide a vehicle-level performance test device for a commercial vehicle onboard camera, so as to solve the problem in the above-mentioned background art that the test position of the onboard camera cannot be adjusted during the gravel impact test.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a whole-vehicle-level test device for the performance of a commercial vehicle on-board camera, comprising a test chamber and a base, the test chamber being arranged on the top of the base, a mounting platform being slidably connected to the interior of the test chamber, a commercial vehicle model being fixedly connected to the mounting platform, a reciprocating screw mechanism being arranged inside the test chamber, a connecting frame being connected to the inner side of the reciprocating screw mechanism, a fixing frame being fixedly connected to the inner wall of the connecting frame, a gear being rotatably connected to the inner wall of the fixing frame, a gear ring being arranged inside the fixing frame, the gear being meshed with the gear ring, a support frame being fixedly connected to the inner side of the gear ring, a gravel tank being arranged on the support frame, a discharge pipe being arranged at the bottom of the gravel tank, an electromagnetic valve being arranged on the discharge pipe, and a push plate being slidably connected to the inside of the discharge pipe.

[0006] Preferably, the fixing frame is in a circular ring structure, the bottom of the fixing frame is in an extended structure, and the gear ring is located on the extended structure at the bottom of the fixing frame.

[0007] Preferably, the discharge pipe is in an "L"-shaped structure, one end of the discharge pipe is fixedly connected to the second hydraulic cylinder, and one end of the second hydraulic cylinder is connected to the push plate.

[0008] Preferably, the inner wall of the fixing frame is fixedly connected to a mounting frame, the inner side of the mounting frame is rotatably connected to a gear, a driving motor is installed on the top of the mounting frame, and one end of the driving motor shaft is connected to one end of the gear.

[0009] Preferably, an opening is provided on one side of the test chamber, and a door is hingedly connected to the inner side of the opening.

[0010] Preferably, a slide rail is provided at the bottom of the inner wall of the test chamber, a mounting platform is provided on the top of the slide rail, the bottom of the mounting platform is a protruding structure, the protruding structure at the bottom of the mounting platform is inserted into the slide rail, and the slide rail and the mounting platform form a sliding connection.

[0011] Preferably, a first hydraulic cylinder is installed on the other side of the test chamber, and one end of the first hydraulic cylinder is connected to one side of the mounting platform.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) During the test, the device can simulate the position of the vehicle camera installed on the commercial vehicle model to perform a gravel impact test. At the same time, the angle and position of the test can be adjusted during the test to improve the accuracy of the test.

[0014] (2) This device sets up a commercial vehicle model inside the test room, installs the vehicle-mounted camera to be tested on the commercial vehicle model, and then uses a gravel tank to automatically launch gravel to test the vehicle-mounted camera from various angles, thereby improving the accuracy of the test.

[0015] (3) This device can drive the fixed frame to automatically rise and fall by arranging a reciprocating screw mechanism inside the test chamber, and can drive the gear ring to rotate by arranging an automatically rotating gear inside the fixed frame, so that the gear ring drives the angle of the gravel tank inside to be adjusted, thereby facilitating the adjustment of the test angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the vehicle-level test device for the performance of the commercial vehicle onboard camera of this utility model;

[0017] Figure 2 This is a cross-sectional view of the utility model's vehicle-level test device for the performance of a commercial vehicle's onboard camera;

[0018] Figure 3 This is a top view of the vehicle-level test device for the performance of a commercial vehicle-mounted camera of the utility model;

[0019] Figure 4 This is a left side view of the gravel tank of the utility model commercial vehicle vehicle camera performance vehicle-level test device;

[0020] Figure 5 This utility model is a vehicle-level test device for the performance of commercial vehicle-mounted cameras. Figure 3 Enlarged view of point A in the middle.

[0021] In the figure: 1. Test chamber; 2. Base; 3. First hydraulic cylinder; 4. Door body; 5. Gravel tank; 6. Reciprocating screw mechanism; 7. Slide rail; 8. Mounting table; 9. Commercial vehicle model; 10. Connecting frame; 11. Solenoid valve; 12. Discharge pipe; 13. Fixed frame; 14. Support frame; 15. Gear ring; 16. Second hydraulic cylinder; 17. Push plate; 18. Mounting frame; 19. Drive motor; 20. Gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0023] See also Figure 1-5The utility model provides a technical solution: a vehicle-level test device for the performance of a commercial vehicle on-board camera, comprising a test chamber 1 and a base 2. The test chamber 1 is arranged on the top of the base 2, and an opening is opened on one side of the test chamber 1, and a door body 4 is hinged on the inner side of the opening; this structure is convenient for staff to install the on-board camera; a blind hole for the on-board camera is opened on the commercial vehicle model 9 of the device, and the on-board camera is fixed to the commercial vehicle model 9 by bolts for simulation testing to improve the test accuracy, and the blind hole is opened at the position where the on-board camera is usually installed on the commercial vehicle model 9, such as the top of the windshield near the rearview mirror, installed at the rear of the vehicle, usually near the license plate light or inside the bumper, and can be installed below the rearview mirror or directly integrated into the rearview mirror, etc. Position; a slide rail 7 is provided at the bottom of the inner wall of the test chamber 1, and a mounting platform 8 is provided on the top of the slide rail 7. The bottom of the mounting platform 8 is a protruding structure, and the protruding structure at the bottom of the mounting platform 8 is inserted into the slide rail 7, and the slide rail 7 and the mounting platform 8 form a sliding connection; this structure can improve the stability of the movement of the mounting platform 8 by setting the slide rail 7; a first hydraulic cylinder 3 is installed on the other side of the test chamber 1, and one end of the first hydraulic cylinder 3 is connected to one side of the mounting platform 8; the first hydraulic cylinder 3 of this structure can push the mounting platform 8 and the commercial vehicle model 9 on the mounting platform 8 to move automatically, thereby imitating the movement of the commercial vehicle model 9 and improving the accuracy of the test; the mounting platform 8 is slidably connected inside the test chamber 1, and the commercial vehicle model 9 is fixedly connected to the mounting platform 8, and the inside of the test chamber 1 is provided with The reciprocating screw mechanism 6 has a connecting frame 10 connected to the inner side of the reciprocating screw mechanism 6, and a fixing frame 13 is fixedly connected to the inner wall of the connecting frame 10. The fixing frame 13 is a circular ring structure, and the bottom of the fixing frame 13 is an extended structure. The gear ring 15 is located on the extended structure at the bottom of the fixing frame 13; the inner wall of the fixing frame 13 is fixedly connected to a mounting frame 18, and the mounting frame 18 is rotated to connect the gear 20 inside. A driving motor 19 is installed on the top of the mounting frame 18, and one end of the driving motor 19 shaft is connected to one end of the gear 20; the driving motor 19 of this structure can drive the gear 20 to rotate automatically, and the gear 20 can drive the gear ring 15 to rotate by rotating, thereby driving the position of the gravel tank 5 inside the gear ring 15 to adjust the angle of the gravel emission; the fixing frame 13 The inner wall is rotatably connected with a gear 20, and a gear ring 15 is provided inside the fixed frame 13. The gear 20 is meshed with the gear ring 15, and the inner side of the gear ring 15 is fixedly connected to a support frame 14. A gravel tank 5 is provided on the support frame 14, and a discharge pipe 12 is provided at the bottom of the gravel tank 5. The discharge pipe 12 is an "L"-shaped structure, and one end of the discharge pipe 12 is fixedly connected to a second hydraulic cylinder 16, and one end of the second hydraulic cylinder 16 is connected to a push plate 17; the second hydraulic cylinder 16 of this structure can push the push plate 17, thereby using the push plate 17 to push the gravel to be launched, and the purpose of adjusting the gravel launch speed can be achieved by adjusting the speed of the second hydraulic cylinder 16 and the push plate 17; an electromagnetic valve 11 is provided on the discharge pipe 12, and the push plate 17 is slidably connected to the inside of the discharge pipe 12;The reciprocating screw mechanism 6 of this device is composed of a motor, a fixed base, a threaded rod, and a screw slide. The reciprocating screw mechanism 6 can convert rotational motion into linear motion, thereby driving the longitudinal movement of the connecting frame 10 and the fixed frame 13 and other accessories to achieve the purpose of adjusting the height of the gravel ejected from the gravel tank 5. The top of the gravel tank 5 is an open structure to facilitate the addition of gravel.

[0024] Working principle: When using the commercial vehicle on-board camera performance vehicle-level test device, first insert the on-board camera to be tested into the blind hole on the commercial vehicle model 9 and fix it with bolts, then close the door body 4, and adjust the launch angle of the gravel tank 5. During adjustment, the reciprocating screw mechanism 6 drives the height of the connecting frame 10 and the fixing frame 13 to move. When the fixing frame 13 is at a suitable height, the gravel tank 5 inside the fixing frame 13 is at a suitable height. Then the driving motor 19 drives the gear 20 to rotate. During the rotation, the gear 20 pushes the gear ring 15 to rotate. During the rotation, the gear ring 15 drives the gravel tank 5 to be at a suitable angle. Then the solenoid valve 11 is opened, and the gravel inside the gravel tank 5 enters the discharge pipe 12, so that the gravel is located on one side of the push plate 17. Then the second hydraulic cylinder 16 pushes the push plate 17, so that the push plate 17 pushes the gravel to be quickly launched and hit the on-board camera on the commercial vehicle model 9. By recording the number of impacts and checking the situation of the on-board camera, the impact resistance of the on-board camera can be known.

Claims

1. A vehicle-level test device for the performance of a commercial vehicle camera, comprising a test chamber (1) and a base (2), wherein the test chamber (1) is arranged on top of the base (2), and is characterized in that: The test chamber (1) is slidably connected to a mounting platform (8), a commercial vehicle model (9) is fixedly connected to the mounting platform (8), a reciprocating screw mechanism (6) is provided inside the test chamber (1), a connecting frame (10) is connected inside the reciprocating screw mechanism (6), a fixing frame (13) is fixedly connected to the inner wall of the connecting frame (10), a gear (20) is rotatably connected to the inner wall of the fixing frame (13), a gear ring (15) is provided inside the fixing frame (13), the gear (20) is meshed with the gear ring (15), a support frame (14) is fixedly connected inside the gear ring (15), a gravel tank (5) is provided on the support frame (14), a discharge pipe (12) is provided at the bottom of the gravel tank (5), a solenoid valve (11) is provided on the discharge pipe (12), and a push plate (17) is slidably connected inside the discharge pipe (12).

2. The vehicle-level performance testing device for a commercial vehicle onboard camera according to claim 1 is characterized in that: The fixing frame (13) is in a circular ring structure, the bottom of the fixing frame (13) is in an extended structure, and the gear ring (15) is located on the extended structure at the bottom of the fixing frame (13).

3. The vehicle-level performance testing device for a commercial vehicle camera according to claim 1 is characterized in that: The discharge pipe (12) is in an "L"-shaped structure. One end of the discharge pipe (12) is fixedly connected to a second hydraulic cylinder (16), and one end of the second hydraulic cylinder (16) is connected to a push plate (17).

4. The vehicle-level performance testing device for a commercial vehicle camera according to claim 1 is characterized in that: The inner wall of the fixing frame (13) is fixedly connected with a mounting frame (18), the inner side of the mounting frame (18) is rotatably connected with a gear (20), and a driving motor (19) is installed on the top of the mounting frame (18), and one end of the shaft of the driving motor (19) is connected to one end of the gear (20).

5. The vehicle-level performance testing device for a commercial vehicle onboard camera according to claim 1 is characterized in that: An opening is provided on one side of the test chamber (1), and a door (4) is hingedly connected to the inner side of the opening.

6. The commercial vehicle camera performance whole vehicle level testing device according to claim 1, characterized in that: A slide rail (7) is provided at the bottom of the inner wall of the test chamber (1), a mounting platform (8) is provided on the top of the slide rail (7), the bottom of the mounting platform (8) is a protruding structure, the protruding structure at the bottom of the mounting platform (8) is inserted into the inside of the slide rail (7), and the slide rail (7) and the mounting platform (8) form a sliding connection.

7. The vehicle-level performance testing device for a commercial vehicle camera according to claim 1, characterized in that: A first hydraulic cylinder (3) is installed on the other side of the test chamber (1), and one end of the first hydraulic cylinder (3) is connected to one side of the mounting platform (8).

Images