Vehicle laser radar EOLT device

By designing automotive lidar EOLT equipment, multiple automated tests of automotive lidar have been realized, solving the problems of low efficiency and poor results of existing testing methods, and improving the testing efficiency and effect.

CN119936850APending Publication Date: 2025-05-06SUZHOU INVENT PRECISION MACHINING CO LTD
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Patent Information

Application Number
CN202510136100.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-05-06

AI Technical Summary

Technical Problem

The existing automotive lidar testing methods are inefficient and have poor results, and cannot meet modern production needs.

Method used

An automotive lidar EOLT equipment was designed, including artificial feeding mechanism, handling robot, nuclear transfer platform, power testing equipment, false alarm rate testing equipment, blind spot testing bench and range-finding capability testing table, etc., to realize automated testing.

Benefits of technology

A number of automated tests of automotive lidar have been realized, including data writing, ranging capability detection, blind spot testing, false alarm rate testing and power testing, improving the testing efficiency and effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a vehicle laser radar EOLT (Ethernet Optical Line Terminal) device. Comprising a manual feeding mechanism, a carrying manipulator arranged on one side of the manual feeding mechanism, a transplanting platform arranged on one side of the carrying manipulator, power testing equipment arranged on one side of the transplanting platform, an NG discharging conveying mechanism arranged on one side of the power testing equipment, and false alarm rate testing equipment arranged on one side of the NG discharging conveying mechanism. The system comprises a transplanting platform, a false alarm rate test manipulator, a blind area test bench, a distance measurement capability detection carrying manipulator, an attenuation slice storage bench, an attenuation slice replacement manipulator and a distance measurement capability detection bench, wherein the false alarm rate test manipulator and the blind area test bench are arranged on one side of the transplanting platform; the distance measurement capability detection carrying manipulator is arranged between the blind area test bench and the transplanting platform; and the plurality of detection targets are arranged on the outer side of the distance measurement capability detection table. The device can carry out data writing, distance measurement capability detection, blind area test, false alarm rate test and power test on the vehicle laser radar, is good in use effect, is convenient to operate, and is convenient for enterprises to popularize and use.
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Description

Technical Field

[0001] The present invention relates to the technical field of vehicle laser radar testing, and in particular to a vehicle laser radar EOLT device. Background Art

[0002] At present, the development of automobile intelligent driving is growing stronger and stronger, and the application of laser radar in automobiles as an important component of the intelligent driving system is increasing. In the production and manufacturing process of automobile parts, the end-of-line test equipment (EOL Testers) is mainly used to detect whether the overall function of the product meets the requirements for offline delivery. Under the harsh production conditions, the test system must simulate all necessary conditions and detect and verify whether the relevant responses of the tested parts meet their quality requirements. When testing automotive laser radars, the main method is to manually place the automotive laser radars on various test equipment one by one for testing, which is inefficient and ineffective, and cannot meet people's processing and use needs;

[0003] In view of the above situation, it is necessary to improve the existing automotive lidar testing method so that it can adapt to the current needs of automotive lidar testing. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an automotive laser radar EOLT device, including a manual feeding mechanism, a handling robot arranged on one side of the manual feeding mechanism, a transplanting platform arranged on one side of the handling robot, a power testing device arranged on one side of the transplanting platform, an NG unloading and conveying mechanism arranged on one side of the power testing device, a false alarm rate testing device arranged on one side of the NG unloading and conveying mechanism, a false alarm rate testing robot arranged on one side of the transplanting platform, a blind spot test bench arranged on one side of the transplanting platform, a ranging capability detection handling robot arranged between the blind spot test bench and the transplanting platform, an attenuation sheet storage table arranged on one side of the transplanting platform, an attenuation sheet replacement robot arranged on one side of the attenuation sheet storage table, a ranging capability detection table arranged on one side of the attenuation sheet storage table, and a plurality of detection targets arranged on the outside of the ranging capability detection table.

[0005] As a further supplement to the present technical solution, the manual feeding mechanism includes a support frame, a transplanting cylinder arranged on the support frame, a placing table connected to the transplanting cylinder, a safety grating arranged on the support frame, a product presence detection sensor arranged on both sides of the support frame, and an indicator light arranged on the support frame and located on one side of the product presence detection sensor. The transplanting cylinder is installed on the support frame, the safety grating is fixedly installed on the support frame, the product presence detection sensor is fixedly installed on the support frame, and the indicator light is connected to the product presence detection sensor.

[0006] As a further supplement to the present technical solution, the transport robot includes a robotic arm, a two-way cylinder arranged on both sides of the robotic arm, a clamp connected to the two-way cylinder, and a visual positioning mechanism arranged on the robotic arm. The two-way cylinder is fixedly installed on the robotic arm, and the visual positioning mechanism is arranged on one side of the two-way cylinder and is fixedly installed on the robotic arm.

[0007] As a further supplement to the technical solution, the handling robot, the false alarm rate testing robot, the ranging capability testing handling robot, and the attenuation sheet replacement robot have the same structure.

[0008] As a further supplement to the technical solution, the transplanting platform includes a fixed frame, placement detection sensors arranged on both sides of the fixed frame, and a data writing test mechanism arranged on one side of the fixed frame, the placement detection sensor is fixedly installed on the fixed frame, and the data writing test mechanism is installed on the fixed frame.

[0009] As a further supplement to the present technical solution, the power testing equipment includes a mounting frame, an integrating sphere arranged on the mounting frame, a fixing plate arranged on one side of the integrating sphere, a first product detection sensor arranged on the fixing plate and located on one side of the integrating sphere, a first rotating clamping mechanism arranged on one side of the first product detection sensor, a first electric cylinder arranged on one side of the first rotating clamping mechanism, a first Ingon probe and a first high-frequency probe connected to the first electric cylinder; the integrating sphere is fixedly installed on the mounting frame, the fixing plate is installed on the integrating sphere, the first product detection sensor is fixedly installed on the fixing plate, the first rotating clamping mechanism is fixedly installed on the fixing plate, and the first electric cylinder is fixedly installed on the fixing plate.

[0010] As a further supplement to the present technical solution, the false alarm rate testing equipment includes a placement rack, a second rotary clamping mechanism arranged on the placement rack, a second electric cylinder arranged on the placement rack and located on one side of the second rotary clamping mechanism, a second Ingon probe connected to the second electric cylinder, a second high-frequency probe, and a second product detection sensor arranged on both sides of the placement rack, the second rotary clamping mechanism is fixedly installed on the placement rack, and the second electric cylinder is fixedly installed on the placement rack.

[0011] As a further supplement to the present technical solution, the blind spot test bench includes a connecting frame, a third product detection sensor arranged on one side of the connecting frame, a third rotary clamping mechanism arranged on one side of the connecting frame, a third electric cylinder arranged on the connecting frame and located on one side of the rotary clamping mechanism, a third Ingon probe connected to the third electric cylinder, and a third high-frequency probe.

[0012] As a further supplement to the technical solution, the distance measurement capability detection station is provided with multiple layers and the multiple layers are independent of each other.

[0013] As a further supplement to the technical solution, attenuation plates with different attenuation rates are provided in front of the radar, and the test targets are placed according to different reflectivities and sizes.

[0014] Its beneficial effect is that it can write data to the automotive laser radar, detect ranging capabilities, perform blind spot tests, false alarm rate tests, and power tests. It has good use effects, is easy to operate, and is easy for enterprises to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the structure of the detection target of the present invention when it is not installed;

[0017] Figure 3 It is a structural schematic diagram of the power testing device of the present invention;

[0018] Figure 4 It is a structural schematic diagram of a false alarm rate testing device of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the blind spot test bench of the present invention;

[0020] Figure 6 It is a schematic diagram of the installation structure of the attenuation sheet storage table, the attenuation sheet replacement manipulator, and the distance measurement capability detection table of the present invention;

[0021] In the figure, 1. Manual feeding mechanism; 111. Support frame; 112. Transplanting cylinder; 113. Placement table; 114. Safety grating; 115. Product presence detection sensor; 116. Indicator light; 2. Transport manipulator; 21. Robotic arm; 22. Bidirectional cylinder; 23. Gripper; 24. Visual positioning mechanism; 3. Transplanting platform; 31. Fixing frame; 32. Placement detection sensor; 33. Data writing test mechanism; 4. Power test equipment; 41. Mounting frame; 42. Integrating sphere; 43. Fixing plate; 44. First product detection sensor; 45. The first rotary clamping mechanism; 46. The first electric cylinder; 5. The NG unloading and conveying mechanism; 6. The false alarm rate test equipment; 61. The placement rack; 62. The second rotary clamping mechanism; 63. The second electric cylinder; 7. The false alarm rate test manipulator; 8. The blind spot test bench; 81. The connecting rack; 82. The third product detection sensor; 83. The third rotary clamping mechanism; 84. The third electric cylinder; 9. The ranging capability detection and handling manipulator; 10. The attenuation sheet storage table; 11. The attenuation sheet replacement manipulator; 12. The ranging capability detection bench; 13. The detection target. DETAILED DESCRIPTION

[0022] In order to make the technical solution more clear to those skilled in the art, Figure 1-6 Detailed description of the technical solution of the present invention:

[0023] A vehicle laser radar EOLT device, comprising a manual feeding mechanism 1, a handling manipulator 2 arranged on one side of the manual feeding mechanism 1, a transplanting platform 3 arranged on one side of the handling manipulator 2, a power testing device 4 arranged on one side of the transplanting platform 3, an NG unloading and conveying mechanism 5 arranged on one side of the power testing device 4, a false alarm rate testing device 6 arranged on one side of the NG unloading and conveying mechanism 5, a false alarm rate testing manipulator 7 arranged on one side of the transplanting platform 3, a blind spot testing platform 8 arranged on one side of the transplanting platform 3, a ranging capability detection handling manipulator 9 arranged between the blind spot testing platform 8 and the transplanting platform 3, an attenuation sheet storage platform 10 arranged on one side of the transplanting platform 3, and an attenuation sheet storage device 10 arranged on one side of the attenuation sheet storage device 10. A sheet replacement robot 11, a ranging capability detection platform 12 arranged on one side of the attenuation sheet storage platform 10, and a plurality of detection targets 13 arranged on the outside of the ranging capability detection platform 12; wherein, the transport robot 2 transports the product on the manual feeding mechanism 1 to the transplanting platform 3, the transplanting platform 3 is used for transfer, the power testing equipment 4 can test the power of the radar, the false alarm rate testing equipment 6 can test the false alarm rate of the radar, and when the test fails, it is placed on the NG unloading conveying mechanism 5; the ranging capability detection transport robot 9 places the product on the transplanting platform 3 on the ranging capability detection platform 12, and the attenuation sheet replacement robot 11 places the attenuation sheet from the attenuation sheet storage platform 10 onto the radar, and the test effect is good.

[0024] Among them, the manual feeding mechanism 1 includes a support frame 111, a transplanting cylinder 112 arranged on the support frame 111, a placing table 113 connected to the transplanting cylinder 112, a safety grating 114 arranged on the support frame 111, product presence detection sensors 115 arranged on both sides of the support frame 111, and an indicator light 116 arranged on the support frame 111 and located on one side of the product presence detection sensor 115. The transplanting cylinder 112 is installed on the support frame 111, the safety grating 114 is fixedly installed on the support frame 111, the product presence detection sensor 115 is fixedly installed on the support frame 111, and the indicator light 116 is connected to the product presence detection sensor 115.

[0025] The structure of the handling robot 2 is described in detail below. The handling robot 2 includes a robot arm 21, a two-way cylinder 22 arranged on both sides of the robot arm 21, a clamp 23 connected to the two-way cylinder 22, and a visual positioning mechanism 24 arranged on the robot arm 21. The two-way cylinder 22 is fixedly installed on the robot arm 21, and the visual positioning mechanism 24 is arranged on one side of the two-way cylinder 22 and is fixedly installed on the robot arm 21; the two-way cylinders 22 on both sides can control the clamping and limiting of the product, and the visual positioning mechanism 24 can position the product to facilitate the clamping of the clamp 23.

[0026] Among them, the handling robot 2, the false alarm rate testing robot 7, the ranging capability testing handling robot 92, and the attenuation sheet replacing robot 11 have the same structure.

[0027] The structure of the transplanting platform 3 is described in detail below. The transplanting platform 3 includes a fixed frame 31, placement detection sensors 32 arranged on both sides of the fixed frame 31, and a data writing test mechanism 33 arranged on one side of the fixed frame 31. The placement detection sensor 32 is fixedly installed on the fixed frame 31, and the data writing test mechanism 33 is installed on the fixed frame 31. The placement detection sensor 32 detects whether the product is placed, and the data writing test mechanism 33 writes radar data.

[0028] The structure of the power testing device 4 will be described in detail below. The power testing device 4 includes a mounting frame 41, an integrating sphere 42 arranged on the mounting frame 41, a fixing plate 43 arranged on one side of the integrating sphere 42, a first product detection sensor 44 arranged on the fixing plate 43 and located on one side of the integrating sphere 42, a first rotating clamping mechanism 45 arranged on one side of the first product detection sensor 44, a first electric cylinder 46 arranged on one side of the first rotating clamping mechanism 45, a first Ingon probe and a first high-frequency probe connected to the first electric cylinder 46; the integrating sphere 42 is fixedly mounted on the mounting frame 41, the fixing plate 43 is mounted on the integrating sphere 42, the first product detection sensor 44 is fixedly mounted on the fixing plate 43, the first rotating clamping mechanism 45 is fixedly mounted on the fixing plate 43, the first electric cylinder 46 is fixedly mounted on the fixing plate 43, the first rotating clamping mechanism 45 can press the product to prevent it from moving and affecting its use, and the first Ingon probe and the first high-frequency probe test and communicate with the product.

[0029] The structure of the false alarm rate testing equipment 6 will be described in detail below. The false alarm rate testing equipment 6 includes a placement rack 61, a second rotary clamping mechanism 62 arranged on the placement rack 61, a second electric cylinder 63 arranged on the placement rack 61 and located on one side of the second rotary clamping mechanism 62, a second Ingon probe connected to the second electric cylinder 63, a second high-frequency probe, and a second product detection sensor arranged on both sides of the placement rack 61. The second rotary clamping mechanism 62 is fixedly installed on the placement rack 61, and the second electric cylinder 63 is fixedly installed on the placement rack 61; the second rotary clamping mechanism 62 can press and hold the product to prevent it from moving; the second Ingon probe and the second high-frequency probe can test and communicate with the product.

[0030] Among them, the blind spot test bench 8 includes a connecting frame 81, a third product detection sensor 82 arranged on one side of the connecting frame 81, a third rotary clamping mechanism 83 arranged on one side of the connecting frame 81, a third electric cylinder 84 arranged on the connecting frame 81 and located on one side of the rotary clamping mechanism, a third Ingon probe connected to the third electric cylinder 84, and a third high-frequency probe.

[0031] The distance measurement capability detection station 12 is provided with multiple layers and the multiple layers are independent of each other.

[0032] Among them, attenuation plates with different attenuation rates are arranged in front of the radar, and the test targets are placed according to different reflectivities and sizes.

[0033] The whole equipment includes multiple test functions, except for manual loading, all other functions are automatically operated to ensure the whole line beat is 45S. It is necessary to ensure the accuracy of the test bench, the inclination angle within 0.1°, the target placement, the integrating sphere 42 and the light source and other test instruments.

[0034] The overall working principle of the present invention is described as follows: the laser radar is manually loaded, the handling manipulator 2 carries the product to the data on the transplanting platform 3 and writes it to the side of the test mechanism 33, and the ranging capability detection handling manipulator 92 carries it to the ranging capability detection platform 12, and then carries it to the blind spot test platform 8 after the test is completed. After the test is completed, the product is placed on the transplanting platform 3, and the false alarm rate test manipulator 7 is placed on the false alarm rate test equipment 6, and the power test is performed after the test is completed; wherein, the ranging capability detection test platform has 3 layers, the layer spacing is 15cm, and the 3 layers are independent of each other. There are also attenuation plates with different attenuation rates in front of the radar, and the attenuation plates are automatically replaced by the manipulator for testing. Targets with different reflectivity and sizes are placed in specific positions; the blind spot test target is a 1*2M target, the false alarm rate test is tested by a light source with a specific wavelength and power, and the power test is tested by a customized integrating sphere 42. The test benches are all powered by probes, and high-frequency probes perform Ethernet communication.

[0035] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims

1. A vehicle laser radar EOLT device, characterized in that: The invention comprises a manual feeding mechanism (1), a handling manipulator (2) arranged on one side of the manual feeding mechanism (1), a transplanting platform (3) arranged on one side of the handling manipulator (2), a power testing device (4) arranged on one side of the transplanting platform (3), an NG material unloading and conveying mechanism (5) arranged on one side of the power testing device (4), a false alarm rate testing device (6) arranged on one side of the NG material unloading and conveying mechanism (5), a false alarm rate testing manipulator (7) arranged on one side of the transplanting platform (3), a blind spot testing platform (8) arranged on one side of the transplanting platform (3), a distance measuring capability detection handling manipulator (9) arranged between the blind spot testing platform (8) and the transplanting platform (3), an attenuation sheet storage platform (10) arranged on one side of the transplanting platform (3), an attenuation sheet replacement manipulator (11) arranged on one side of the attenuation sheet storage platform (10), a distance measuring capability detection platform (12) arranged on one side of the attenuation sheet storage platform (10), and a plurality of detection targets (13) arranged outside the distance measuring capability detection platform (12).

2. The vehicle-use laser radar EOLT device according to claim 1, characterized in that: The manual feeding mechanism (1) comprises a support frame (111), a transplanting cylinder (112) arranged on the support frame (111), a placement table (113) connected to the transplanting cylinder (112), a safety grating (114) arranged on the support frame (111), product presence detection sensors (115) arranged on both sides of the support frame (111), and an indicator light (116) arranged on the support frame (111) and located on one side of the product presence detection sensor (115), wherein the transplanting cylinder (112) is mounted on the support frame (111), the safety grating (114) is fixedly mounted on the support frame (111), the product presence detection sensor (115) is fixedly mounted on the support frame (111), and the indicator light (116) is connected to the product presence detection sensor (115).

3. The vehicle-use laser radar EOLT device according to claim 2, characterized in that: The transport robot (2) comprises a robot arm (21), a bidirectional cylinder (22) arranged on both sides of the robot arm (21), a clamp (23) connected to the bidirectional cylinder (22), and a visual positioning mechanism (24) arranged on the robot arm (21), wherein the bidirectional cylinder (22) is fixedly mounted on the robot arm (21), and the visual positioning mechanism (24) is arranged on one side of the bidirectional cylinder (22) and is fixedly mounted on the robot arm (21).

4. The vehicle-use laser radar EOLT device according to claim 3, characterized in that: The handling robot (2), the false alarm rate testing robot (7), the ranging capability testing handling robot (9), and the attenuation sheet replacement robot (11) have the same structure.

5. The vehicle-use laser radar EOLT device according to claim 1, characterized in that: The transplanting platform (3) comprises a fixing frame (31), placement detection sensors (32) arranged on both sides of the fixing frame (31), and a data writing test mechanism (33) arranged on one side of the fixing frame (31); the placement detection sensor (32) is fixedly mounted on the fixing frame (31), and the data writing test mechanism (33) is mounted on the fixing frame (31).

6. The vehicle-use laser radar EOLT device according to claim 1, characterized in that: The power test device (4) comprises a mounting frame (41), an integrating sphere (42) arranged on the mounting frame (41), a fixing plate (43) arranged on one side of the integrating sphere (42), a first product detection sensor (44) arranged on the fixing plate (43) and located on one side of the integrating sphere (42), a first rotating clamping mechanism (45) arranged on one side of the first product detection sensor (44), a first electric cylinder (46) arranged on one side of the first rotating clamping mechanism (45), a first Ingon probe and a first high-frequency probe connected to the first electric cylinder (46); the integrating sphere (42) is fixedly mounted on the mounting frame (41), the fixing plate (43) is mounted on the integrating sphere (42), the first product detection sensor (44) is fixedly mounted on the fixing plate (43), the first rotating clamping mechanism (45) is fixedly mounted on the fixing plate (43), and the first electric cylinder (46) is fixedly mounted on the fixing plate (43).

7. The vehicle-use laser radar EOLT device according to claim 1, characterized in that: The false alarm rate testing device (6) comprises a placement rack (61), a second rotating clamping mechanism (62) arranged on the placement rack (61), a second electric cylinder (63) arranged on the placement rack (61) and located on one side of the second rotating clamping mechanism (62), a second Ingon probe connected to the second electric cylinder (63), a second high-frequency probe, and a second product detection sensor arranged on both sides of the placement rack (61); the second rotating clamping mechanism (62) is fixedly mounted on the placement rack (61), and the second electric cylinder (63) is fixedly mounted on the placement rack (61).

8. The vehicle-use laser radar EOLT device according to claim 1, characterized in that: The blind spot test bench (8) comprises a connecting frame (81), a third product detection sensor (82) arranged on one side of the connecting frame (81), a third rotary clamping mechanism (83) arranged on one side of the connecting frame (81), a third electric cylinder (84) arranged on the connecting frame (81) and located on one side of the rotary clamping mechanism, a third Ingon probe connected to the third electric cylinder (84), and a third high-frequency probe.

9. The vehicle-use laser radar EOLT device according to claim 1, characterized in that: The distance measurement capability detection platform (12) is provided with multiple layers, and the multiple layers are independent of each other.

10. The vehicle-use laser radar EOLT device according to claim 9, characterized in that: Attenuation sheets with different attenuation rates are arranged in front of the radar, and the test targets are placed according to different reflectivities and sizes.