Radar wave-transparent experimental device

Abstract

The utility model discloses a radar wave-transparent experimental device, which comprises a box body, a box door and a temperature control assembly, the box door is hinged on the box body, and the temperature and humidity in the box body are controlled by the temperature control assembly; the device further comprises a rotating assembly, a workpiece mounting assembly and a receiving assembly, a wave-transparent window is formed in one side of the box body, and a wave-transparent plate is mounted on the wave-transparent window; the rotating assembly is arranged in the box body, the workpiece mounting assemblies are arranged on the rotating assembly in a circumferential array mode, and the workpiece mounting assemblies are switched through the rotating assembly; the receiving assembly is arranged outside the box body and is used for receiving radar signals. According to the utility model, the rotating assembly and the workpiece seat are arranged in the box body, the orientation angle of the radar can be adjusted, a plurality of radars can be measured at a time, and the test efficiency is improved; when the radar is adjusted, the box door does not need to be opened, and the radar testing environment can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of radar testing, in particular to a radar wave transmission experimental device. Background Art

[0002] At present, millimeter-wave radar is an important and indispensable environmental perception sensor in the research of autonomous driving. The requirements of various automobile manufacturers for millimeter-wave radar manufacturers have gradually expanded from single radar RF testing and performance testing requirements to include electromagnetic compatibility, vibration, high and low temperature and other electromagnetic environments and physical and chemical environment testing requirements, so that millimeter-wave radar can meet automotive-grade requirements.

[0003] Publication number CN 108543550 A is a wave transmission test temperature test chamber. The radar is placed in the chamber, and the heating system and air supply system are used to simulate the use environment or perform high-temperature tests. After the radar is placed in the chamber, the angle of the radar cannot be adjusted, and the chamber door needs to be opened every time, which will cause large fluctuations in the temperature inside the chamber and affect the test results. Utility Model Content

[0004] In view of the defects of the above-mentioned prior art, the main purpose of the utility model is to overcome the shortcomings of the prior art and discloses a radar wave-transmitting experimental device, including a box body, a box door and a temperature control component, the box door is hinged on the box body, and the temperature and humidity in the box body are controlled by the temperature control component; it also includes a rotating component, a workpiece mounting component and a receiving component, a wave-transmitting window is arranged on one side of the box body, and a wave-transmitting plate is installed on the wave-transmitting window; the rotating component is arranged in the box body, and the workpiece mounting component is arranged in a circular array on the rotating component, and the workpiece mounting component is switched by the rotating component; the receiving component is arranged outside the box body for receiving radar signals.

[0005] Furthermore, the rotating assembly includes a rotating platform, a rotating shaft and a first servo motor. The rotating shaft is rotatably arranged in the box body, and the lower end of the rotating shaft extends out of the box body. The rotating platform is arranged at the upper end of the rotating shaft, and the workpiece mounting assembly is arranged on the rotating platform; the first servo motor is connected to the rotating shaft through a gear transmission, and the rotating shaft is driven to rotate by the first servo motor.

[0006] Furthermore, the workpiece mounting assembly includes a fixed seat, a rotating plate and a second servo motor, the workpiece is arranged on the rotating assembly, the second servo motor is arranged on the fixed seat, the rotating plate is connected to the second servo motor, and the rotating plate is controlled by the second servo motor to adjust the angle up and down.

[0007] Furthermore, a connecting portion is provided at the bottom of the rotating plate, a connecting hole is provided on the connecting portion, and a plug assembly is provided at the top of the rotating plate; a plug matching with the connecting hole is provided at the bottom of the mounting plate, and a socket matching with the plug assembly is provided at the top of the mounting plate.

[0008] Furthermore, the plug-in assembly includes a pin, a spring and a nut, a guide hole is provided on the upper side of the rotating plate, a radially protruding card edge is provided on the pin, the spring is provided on the pin, the pin is slidably provided in the guide hole and fixed by the nut, the spring acts on the guide hole and the card edge; during assembly, the pin is inserted into the plug hole.

[0009] Furthermore, the receiving assembly includes a receiver, an arc-shaped guide rail, a bracket and a guide wheel. The arc-shaped guide rail is arranged on a workbench around the wave-transmitting plate, the bracket is arranged in the arc-shaped guide rail through the guide wheel, and the receiver is installed on the bracket. The guide rail is used to guide the receiver to move along the arc-shaped guide rail.

[0010] Furthermore, the wave-transmitting plate includes a mounting portion and a wave-transmitting portion, the mounting portion is fixedly connected to the box body, and the wave-transmitting portion is a hemispherical structure.

[0011] Furthermore, six workpiece mounting assemblies are provided.

[0012] Furthermore, a wave absorbing layer is provided on the inner wall of the box.

[0013] Beneficial effects achieved by the utility model:

[0014] The utility model arranges a rotating component and a workpiece seat in the box body, which can adjust the orientation angle of the radar, and can measure multiple radars at a time, thereby improving the test efficiency; when adjusting the radar, there is no need to open the box door, so the radar test environment can be guaranteed. The outside passes through the track, so that the receiver can adjust the receiving angle along the track, so that the test range is larger. The wave-transmitting plate is set as a semi-spherical structure, and the test range is larger; in addition, a wave-absorbing layer is set in the box body to prevent reflected clutter from interfering with the experiment. The workpiece mounting assembly uses a replaceable mounting plate. According to the radar model, the corresponding mounting plate is selected for transfer. The mounting plate and the rotating plate are quickly connected through the plug-in assembly through the plug-in assembly to realize the rapid disassembly and assembly of the radar. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a radar wave transmission experimental device of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a hidden door of a radar wave transmission experimental device of the utility model;

[0017] Figure 3 It is a schematic diagram of the cooperation between the rotating component and the workpiece mounting component;

[0018] Figure 4 It is a schematic diagram of the connection structure between the rotating plate and the mounting plate;

[0019] Figure 5 It is a structural schematic diagram of the mounting plate;

[0020] Figure 6 is a schematic diagram of the structure of the receiving component;

[0021] Figure 7 It is a structural schematic diagram of a wave-transmitting plate;

[0022] The reference numerals are as follows:

[0023] 1. Box body, 2. Box door, 3. Rotating assembly, 4. Workpiece mounting assembly, 5. Receiving assembly, 6. Wave-transmitting plate, 31. Rotating platform, 32. Rotating axis, 33. First servo motor, 41. Fixed seat, 42. Rotating plate, 43. Second servo motor, 44. Plug-in assembly, 45. Mounting plate, 421. Connecting part, 422. Connecting hole, 441. Latch, 442. Spring, 443. Nut, 444. Card edge, 451. Plug, 452. Jack, 51. Receiver, 52. Arc guide rail, 53. Bracket. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] A radar wave penetration experimental device, such as Figure 1-Figure 7 As shown, it includes a box body 1, a box door 2 and a temperature control component. The box door 2 is hinged on the box body 1, and the temperature and humidity in the box body are controlled by the temperature control component; the test device also includes a rotating component 3, a workpiece mounting component 4 and a receiving component 5. A wave-transmitting window is set on one side of the box body 1, and a wave-transmitting plate 6 is installed on the wave-transmitting window; the rotating component 3 is set in the box body 1, and one or more workpiece mounting components 4 are set, which are fixedly mounted on the rotating component 3 and distributed in a circular array. The radar to be tested is selected by the rotating component 3, and the radar direction can be adjusted horizontally at the same time. The receiving component 5 is set outside the box body 1 to receive the radar signal in the box body 1.

[0026] In one embodiment, if Figure 1-Figure 7As shown, the rotating assembly 3 includes a rotating platform 31, a rotating shaft 32 and a first servo motor 33. The rotating shaft 32 is rotatably arranged in the box body 1, and the lower end of the rotating shaft 32 extends outside the box body 1. The rotating platform 31 is arranged at the upper end of the rotating shaft 32, and the workpiece mounting assembly 4 is arranged on the rotating platform 31; the output shaft of the first servo motor 33 is connected to the rotating shaft 32 through a gear, and the rotating shaft 32 is driven to rotate by the first servo motor 33 to select the radar on the corresponding workpiece mounting assembly 4 for testing, and the angle of the radar can be adjusted horizontally.

[0027] In one embodiment, if Figure 1-Figure 7 As shown, the workpiece mounting assembly 4 includes a fixed seat 41, a rotating plate 42 and a second servo motor 43. The fixed seat 41 is arranged on the rotating assembly 3, the second servo motor 43 is arranged on the fixed seat 41, the rotating plate 42 is connected to the second servo motor 43, and the rotating plate 41 is controlled by the second servo motor 43 to adjust the angle up and down. The radar can be adjusted in the up and down directions.

[0028] In the above embodiment, if Figure 1-Figure 7 As shown, the rotating plate 42 is provided with a connecting portion 421 at the bottom, a connecting hole 422 is provided on the connecting portion 421, and a plug assembly 44 is provided on the top of the rotating plate 42; a plug 451 matching the connecting hole is provided at the bottom of the mounting plate 45, and a plug hole 452 matching the plug assembly 44 is provided on the top of the mounting plate 45. Among them, the mounting plate 45 is provided with an assembly hole matching the radar, so that the corresponding mounting plate 45 or mounting hole can be selected for radar installation according to the size and model of the radar. After completion, the plug 451 of the mounting plate 45 is inserted into the connecting hole 422, and the plug hole 452 at the upper end is fixed by the plug assembly 44.

[0029] In one embodiment, if Figure 1-Figure 7 As shown, the plug assembly 44 includes a plug pin 441, a spring 442 and a nut 443. A guide hole is provided on the upper side of the rotating plate 42. A clamping edge 444 is radially protruded on the plug pin 441. The spring 442 is provided on the plug pin 441. The plug pin 441 is slidably provided in the guide hole and fixed by a nut 443. The spring 442 acts on the guide hole and the clamping edge 444. During assembly, the plug pin 441 is inserted into the insertion hole 452. The clamping edge 444 always acts on the upper surface of the insertion hole 452 by the action of the spring 442.

[0030] In one embodiment, if Figure 1-Figure 7 As shown, the receiving assembly 5 includes a receiver 51, an arc-shaped guide rail 52, a bracket 53 and a guide wheel. The arc-shaped guide rail 52 is arranged on a workbench around the wave-transmitting plate 6, and the bracket 53 is arranged in the arc-shaped guide rail 52 through the guide wheel. The receiver 51 is installed on the bracket 53, and the arc-shaped guide rail 52 is used to guide the receiver 51 to adjust the horizontal receiving angle.

[0031] In one embodiment, if Figure 1-Figure 7 As shown, the wave-transmitting plate 6 includes a mounting portion 61 and a wave-transmitting portion 62 . The mounting portion 61 is fixedly connected to the box body 1 , and the wave-transmitting portion 62 is a hemispherical structure.

[0032] In one embodiment, if Figure 1-Figure 7 As shown, six workpiece mounting assemblies 4 are provided.

[0033] In one embodiment, if Figure 1-Figure 7 As shown, a wave absorbing layer is arranged on the inner wall of the box body 1.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. If the present invention is modified or replaced by equivalents without departing from the spirit and scope of the present invention, they should be included in the scope of protection of the claims of the present invention.

Claims

1. A radar wave transmission experimental device, comprising a box, a box door and a temperature control component, wherein the box door is hinged on the box, and the temperature and humidity in the box are controlled by the temperature control component; characterized in that: It also includes a rotating component, a workpiece mounting component and a receiving component. A wave-transmitting window is arranged on one side of the box body, and a wave-transmitting plate is installed on the wave-transmitting window; the rotating component is arranged in the box body, and the workpiece mounting component is arranged in a circular array on the rotating component, and the workpiece mounting component is switched by using the rotating component; the receiving component is arranged outside the box body for receiving radar signals.

2. A radar wave transmission experimental device according to claim 1, characterized in that: The rotating assembly includes a rotating platform, a rotating shaft and a first servo motor. The rotating shaft is rotatably arranged in the box body, and the lower end of the rotating shaft extends out of the box body. The rotating platform is arranged at the upper end of the rotating shaft, and the workpiece mounting assembly is arranged on the rotating platform. The first servo motor is connected to the rotating shaft through a gear transmission, and the rotating shaft is driven to rotate by the first servo motor.

3. A radar wave transmission experimental device according to claim 1, characterized in that: The workpiece mounting assembly includes a fixed seat, a rotating plate and a second servo motor. The fixed seat is arranged on the rotating assembly, the second servo motor is arranged on the fixed seat, the rotating plate is connected to the second servo motor, and the rotating plate is controlled by the second servo motor to adjust the angle up and down.

4. A radar wave transmission experimental device according to claim 3, characterized in that: A connecting portion is arranged at the bottom of the rotating plate, a connecting hole is arranged on the connecting portion, and a plug assembly is arranged at the top of the rotating plate; a plug matching with the connecting hole is arranged at the bottom of the mounting plate, and a plug assembly matching with the plug assembly is arranged at the top of the mounting plate.

5. A radar wave transmission experimental device according to claim 4, characterized in that: The plug-in assembly includes a latch, a spring and a nut. A guide hole is arranged on the upper side of the rotating plate. A card edge is radially protruded on the latch. The spring is arranged on the latch. The latch is slidably arranged in the guide hole and fixed by the nut. The spring acts on the guide hole and the card edge. During assembly, the latch is inserted into the plug hole.

6. The radar wave transmission experimental device according to claim 1, characterized in that: The receiving assembly includes a receiver, an arc-shaped guide rail, a bracket and a guide wheel. The arc-shaped guide rail is arranged on a workbench around the wave-transmitting plate. The bracket is arranged in the arc-shaped guide rail through the guide wheel. The receiver is installed on the bracket. The arc-shaped guide rail is used to guide the receiver to adjust the horizontal receiving angle.

7. The radar wave transmission experimental device according to claim 1, characterized in that: The wave-transmitting plate comprises a mounting portion and a wave-transmitting portion, wherein the mounting portion is fixedly connected to the box body, and the wave-transmitting portion is in a hemispherical structure.

8. The radar wave transmission experimental device according to claim 1, characterized in that: There are six workpiece mounting assemblies.

9. The radar wave transmission experimental device according to claim 1, characterized in that: A wave absorbing layer is arranged on the inner wall of the box.

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