Millimeter wave rotary table for laser radar detection and laser detection shielding box

Abstract

The invention relates to the technical field of laser radar detection, in particular to a millimeter wave rotary table for laser radar detection and a laser detection shielding box, the millimeter wave rotary table comprises a base, one end of the surface of the base is provided with a double-axis movement mechanism, and the surface of the double-axis movement mechanism is fixedly provided with a pitching mechanism; a one-piece rotating mechanism is arranged on the surface of the pitching mechanism, and millimeter wave mechanisms are mounted at the two ends of the one-piece rotating mechanism; and a receiving mechanism is mounted at one end of the surface of the base. The automation degree of the laser radar during detection is improved, manual auxiliary operation is not needed in the detection process, the labor intensity is reduced, two products can be detected at the same time, and the working efficiency of the laser radar during detection is improved; besides, by arranging a gyroscope, a DD motor and laser correlation, the multi-axis movement function of the same machine is achieved, the reference finding function can be achieved in the using process, and therefore the detection accuracy is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of laser radar detection, and in particular to a millimeter wave turntable and a laser detection shielding box for laser radar detection. Background Art

[0002] Laser radar is a radar system that emits laser beams to detect the position, speed and other characteristic quantities of the target. In terms of working principle, there is no fundamental difference between it and microwave radar: it emits a detection signal (laser beam) to the target, and then compares the received signal reflected from the target (target echo) with the transmitted signal. After appropriate processing, the relevant information of the target can be obtained; laser radar needs to detect signal strength during detection, and the detection signal strength range is generally ±15° in pitch and ±80° in horizontal swing.

[0003] At present, the existing laser radars are all manually operated during detection, and the degree of automation in the detection process is low, which increases the labor intensity of laser radar detection, and cannot achieve simultaneous detection of dual products, reducing work efficiency; in addition, the existing laser radars cannot achieve the multi-axis motion function of the same machine during detection, and cannot achieve the reference finding function during use, thereby reducing the accuracy of detection. Summary of the invention

[0004] The purpose of the present invention is to provide a millimeter wave turntable and a laser detection shielding box for laser radar detection, so as to solve the problems mentioned in the above background technology that the existing technology has low working efficiency, cannot realize multi-axis movement of the same machine, and cannot realize the reference finding function.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a millimeter wave turntable and a laser detection shielding box for laser radar detection, comprising a base, a biaxial motion mechanism is installed at one end of the base surface, and a pitch mechanism is fixed on the surface of the biaxial motion mechanism; a conjoined rotating mechanism is arranged on the surface of the pitch mechanism, millimeter wave mechanisms are installed at both ends of the conjoined rotating mechanism, and a laser radar product to be tested is installed on the surface of the millimeter wave mechanism; a receiving mechanism is installed at one end of the base surface, and the receiving mechanism is used for detecting the pitch state of the laser radar product to be tested;

[0006] During detection, the laser radar product to be tested is installed on the surface of the millimeter wave mechanism, and the dual-axis motion mechanism is used to drive the laser radar product to be tested to slide and rotate. The pitch state of the laser radar product to be tested is adjusted by the pitch mechanism. After adjustment, the receiving mechanism is cooperated to realize detection. After one side is detected, the laser radar product to be tested is turned over by the millimeter wave mechanism to detect the other side.

[0007] Preferably, the receiving mechanism includes a simulator bracket and a receiving module, the simulator bracket is fixed to the surface of the base, and the receiving module is installed on one side of the top of the simulator bracket.

[0008] Preferably, the dual-axis motion mechanism is composed of a linear module, a slide and a bottom servo motor, and the linear module is fixed to the surface of the base.

[0009] Preferably, a slide table is installed at the sliding end of the linear module, and a bottom servo motor is installed on the surface of the slide table.

[0010] Preferably, the pitch mechanism is composed of a rotating frame, a top servo motor and a pitch frame, and the rotating frame is fixedly connected to the output end of the bottom servo motor.

[0011] Preferably, a pitch frame is hingedly connected to the surface of the rotating frame, a top servo motor is installed at one end of the surface of the rotating frame, and an output end of the top servo motor passes through the rotating frame and is fixedly connected to the surface of the pitch frame.

[0012] Preferably, the integrated rotating mechanism comprises a flip servo motor, a support plate, a DD motor and a mounting plate, and the flip servo motor is fixedly connected to the surface of the pitch frame.

[0013] Preferably, the support plate is rotatably connected to the surface of the pitch frame, and one end of the support plate is fixedly connected to the output end of the flip servo motor; a DD motor is fixed to the surface of the support plate, both output ends of the DD motor are installed with mounting plates, and a gyroscope is fixed to the surface of the mounting plate.

[0014] Preferably, the millimeter wave mechanism is composed of a pad module, a product clamping module and a product plug-in module group. The pad module is installed on the surface of the mounting plate, and the product plug-in module group is installed inside the pad module. The product clamping module and the product plug-in module group are fixed on the surface of the pad module. The product clamping module and the product plug-in module group are used for quick insertion of the laser radar product to be tested.

[0015] The present invention also provides a laser detection shielding box for laser radar detection, comprising a shielding box body.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: when the millimeter wave turntable and laser detection shielding box for laser radar detection are implemented, the laser radar product to be tested is installed on the surface of the millimeter wave mechanism, and the dual-axis motion mechanism is used to drive the laser radar product to be tested to achieve sliding and rotation, and the pitch state of the laser radar product to be tested is driven by the pitch mechanism to adjust the pitch state, and after adjustment, the receiving mechanism is cooperated to implement the detection work, and after one side is detected, the millimeter wave mechanism is used to drive the laser radar product to be tested to flip over to detect the other side. The present invention improves the automation level of laser radar during detection, does not require manual auxiliary operation during the detection process, reduces labor intensity, and can detect two products at the same time, improving the work efficiency of laser radar detection; in addition, the present invention realizes the multi-axis motion function of the same machine by setting a gyroscope, DD motor and laser beam, and can realize the reference finding function during use, thereby increasing the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional left-view structure of the present invention;

[0018] Figure 2 It is a three-dimensional right view structural schematic diagram of the present invention;

[0019] Figure 3 It is a schematic diagram of the separation state structure of the present invention;

[0020] Figure 4 It is a partial enlarged structural schematic diagram of the present invention;

[0021] Figure 5 It is a schematic diagram of the partial explosion structure of the present invention;

[0022] Figure 6 It is a schematic diagram of the oblique explosion structure of the present invention;

[0023] Figure 7 It is a structural schematic diagram of the conjoined rotating mechanism of the present invention;

[0024] Figure 8 It is a schematic diagram of the structure of the millimeter wave mechanism of the present invention;

[0025] Figure 9 It is a schematic diagram of the three-dimensional structure of the shielding box of the present invention;

[0026] Figure 10 It is a schematic diagram of the cross-sectional structure of the shielding box of the present invention.

[0027] In the figure: 1. base; 2. receiving mechanism; 21. simulator bracket; 22. receiving module; 3. dual-axis motion mechanism; 31. linear module; 32. slide; 33. bottom servo motor; 4. pitch mechanism; 41. rotating frame; 42. top servo motor; 43. pitch frame; 5. connected rotating mechanism; 51. flip servo motor; 52. support plate; 53. DD motor; 54. mounting plate; 55. gyroscope; 6. millimeter wave mechanism; 61. pad module; 62. product clamping module; 63. product plug-in module; 7. laser radar product to be tested; 8. shielding box. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] The structure of a millimeter wave turntable and a laser detection shielding box for laser radar detection provided by the present invention is as follows: Figure 1 as well as Figure 5 As shown, it includes a base 1, a dual-axis motion mechanism 3 is installed at one end of the surface of the base 1, and the dual-axis motion mechanism 3 is composed of a linear module 31, a slide 32 and a bottom servo motor 33. The linear module 31 is fixed to the surface of the base 1, and the sliding end of the linear module 31 is installed with a slide 32, and the surface of the slide 32 is installed with a bottom servo motor 33.

[0030] Specifically, three groups of photoelectric switches are arranged on the surface of the slide 32, and the three groups of photoelectric switches are arranged in the horizontal directions of 0° and ±80°, so as to realize the horizontal swing of ±80° of the laser radar product 7 to be tested, and the surface of the rotating frame 41 is provided with a sensor sheet which cooperates with the photoelectric switch.

[0031] During implementation, the linear module 31 drives the slide 32 to move to a suitable distance, and the bottom servo motor 33 drives the rotating frame 41 to rotate, thereby achieving movement in the horizontal angle direction of ±80°.

[0032] Furthermore, if Figure 4as well as Figure 5 As shown, a pitch mechanism 4 is fixed to the surface of the dual-axis motion mechanism 3, and the pitch mechanism 4 is composed of a rotating frame 41, a top servo motor 42 and a pitch frame 43. The rotating frame 41 is fixed to the output end of the bottom servo motor 33, and the pitch frame 43 is hinged on the surface of the rotating frame 41. The top servo motor 42 is installed at one end of the surface of the rotating frame 41, and the output end of the top servo motor 42 passes through the rotating frame 41 and is fixed to the surface of the pitch frame 43.

[0033] Specifically, the surface of the pitch frame 43 is provided with a sensing sheet, and one side of the surface of the rotating frame 41 is provided with three groups of photoelectric switches that cooperate with the sensing sheet. The three groups of photoelectric switches are respectively provided in the horizontal 0° and ±15° directions to realize the motion of the laser radar product 7 to be tested with a pitch of 15°;

[0034] Specifically, three groups of photoelectric switches are also provided on one side of the surface of the pitch frame 43. The three groups of photoelectric switches are arranged in the horizontal 0° and ±45° directions. The horizontal 0° is used for detection, and the ±45° is used for loading two laser radar products 7 to be tested. The surface of the support plate 52 is provided with a sensor sheet that cooperates with the photoelectric switch.

[0035] During implementation, the top servo motor 42 will drive the pitch frame 43 to perform pitch movement, and the receiving module 22 will detect the signal strength of the laser radar product 7 to be tested by pitching 15°.

[0036] Furthermore, if Figure 6 as well as Figure 7 As shown, a connected rotating mechanism 5 is provided on the surface of the pitch mechanism 4, and the connected rotating mechanism 5 includes a flip servo motor 51, a support plate 52, a DD motor 53 and a mounting plate 54. The flip servo motor 51 is fixedly connected to the surface of the pitch frame 43, the support plate 52 is rotatably connected to the surface of the pitch frame 43, and one end of the support plate 52 is fixedly connected to the output end of the flip servo motor 51; the DD motor 53 is fixed on the surface of the support plate 52, and the two output ends of the DD motor 53 are both installed with mounting plates 54, and a gyroscope 55 is fixed on the surface of the mounting plate 54.

[0037] During implementation, the reference of the laser radar product 7 to be tested is positioned by the gyroscope 55 and laser beam, and then the DD motor 53 and the flip servo motor 51 are used to adjust the reference to be horizontal.

[0038] Furthermore, if Figure 3 as well as Figure 8As shown, both ends of the connected rotating mechanism 5 are installed with millimeter wave mechanisms 6, and the surface of the millimeter wave mechanism 6 is installed with the laser radar product 7 to be tested. The millimeter wave mechanism 6 is composed of a pad module 61, a product clamping module 62 and a product plug-in module 63. The pad module 61 is installed on the surface of the mounting plate 54, and the product plug-in module 63 is installed inside the pad module 61. The surface of the pad module 61 is fixed with a product clamping module 62. The product clamping module 62 and the product plug-in module 63 are used for quick insertion of the laser radar product 7 to be tested.

[0039] During implementation, the laser radar product 7 to be tested is placed on the surface of the pad module 61. After placement, if the interface of the laser radar product 7 to be tested is facing downward, it is connected to the laser radar product 7 to be tested through the product plug-in module 63, or if the interface of the laser radar product 7 to be tested is facing sideways, it is clamped and connected through the product clamping claw module 62.

[0040] Furthermore, if Figure 2 as well as Figure 5 As shown, a receiving mechanism 2 is installed at one end of the surface of the base 1, and the receiving mechanism 2 is used for detecting the pitch state of the laser radar product 7 to be tested. The receiving mechanism 2 includes a simulator bracket 21 and a receiving module 22. The simulator bracket 21 is fixed to the surface of the base 1, and the receiving module 22 is installed on one side of the top of the simulator bracket 21. Laser heads are installed on the surface of the simulator bracket 21 and directly below the receiving module 22 and on the surface of the mounting plate 54. The laser head is used for finding the reference of the laser radar product 7 to be tested. When the laser is emitted, it means that the laser radar product 7 to be tested has found the reference.

[0041] During implementation, the signal strength of the laser radar product 7 to be tested is detected at a pitch of 15° and a horizontal of ±80° through the receiving module 22 on the top of the simulator bracket 21 .

[0042] Furthermore, if Figure 9 as well as Figure 10 As shown, the present invention also provides a laser detection shielding box for laser radar detection, including a shielding box body 8.

[0043] Working principle: When in use, first place the laser radar product 7 to be tested on the surface of the pad module 61. After placement, if the interface of the laser radar product 7 to be tested is facing downward, it is connected to the laser radar product 7 to be tested through the product plug-in module 63, or if the interface of the laser radar product 7 to be tested is facing sideways, it is clamped and connected through the product clamping claw module 62. Then, the reference of the laser radar product 7 to be tested is located through the gyroscope 55 and laser shooting, and then the DD motor 53 and the flip servo motor 51 are used to adjust the reference to be horizontal, that is, the two laser heads can shoot successfully.

[0044] Subsequently, the linear module 31 drives the slide 32 to move to an appropriate distance, and the bottom servo motor 33 drives the rotating frame 41 to rotate to achieve the movement in the horizontal angle direction. During the movement, the receiving module 22 detects the signal intensity of the laser radar product 7 to be measured in the horizontal direction. At the same time, the top servo motor 42 drives the pitching frame 43 to perform pitching movement, and the receiving module 22 detects the signal intensity of the laser radar product 7 to be measured in the pitching direction.

[0045] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A millimeter wave turntable for laser radar detection, comprising a base (1), characterized in that: A biaxial motion mechanism (3) is installed at one end of the surface of the base (1), and a pitch mechanism (4) is fixed on the surface of the biaxial motion mechanism (3); a conjoined rotating mechanism (5) is provided on the surface of the pitch mechanism (4), and millimeter wave mechanisms (6) are installed at both ends of the conjoined rotating mechanism (5), and a laser radar product (7) to be tested is installed on the surface of the millimeter wave mechanism (6); a receiving mechanism (2) is installed at one end of the surface of the base (1), and the receiving mechanism (2) is used for detecting the pitch state of the laser radar product (7) to be tested; During detection, the laser radar product (7) to be tested is mounted on the surface of the millimeter wave mechanism (6), and the dual-axis motion mechanism (3) is used to drive the laser radar product (7) to be tested to achieve sliding and rotation. The pitch state of the laser radar product (7) to be tested is adjusted by the pitch mechanism (4). After adjustment, the receiving mechanism (2) is used to implement detection. After detection on one side, the millimeter wave mechanism (6) is used to drive the laser radar product (7) to be tested to flip over and detect the other side.

2. The millimeter wave turntable for laser radar detection according to claim 1, characterized in that: The receiving mechanism (2) comprises a simulator bracket (21) and a receiving module (22); the simulator bracket (21) is fixedly connected to the surface of the base (1), and the receiving module (22) is installed on one side of the top of the simulator bracket (21).

3. The millimeter wave turntable for laser radar detection according to claim 1, characterized in that: The biaxial motion mechanism (3) is composed of a linear module (31), a slide table (32) and a bottom servo motor (33); the linear module (31) is fixedly connected to the surface of the base (1).

4. The millimeter wave turntable for laser radar detection according to claim 3, characterized in that: A slide table (32) is installed at the sliding end of the linear module (31), and a bottom servo motor (33) is installed on the surface of the slide table (32).

5. The millimeter wave turntable for laser radar detection according to claim 1, characterized in that: The pitch mechanism (4) is composed of a rotating frame (41), a top servo motor (42) and a pitch frame (43), and the rotating frame (41) is fixedly connected to the output end of the bottom servo motor (33).

6. The millimeter wave turntable for laser radar detection according to claim 5, characterized in that: The surface of the rotating frame (41) is hinged with a pitch frame (43), one end of the surface of the rotating frame (41) is installed with a top servo motor (42), and the output end of the top servo motor (42) passes through the rotating frame (41) and is fixedly connected to the surface of the pitch frame (43).

7. The millimeter wave turntable for laser radar detection according to claim 1, characterized in that: The integrated rotating mechanism (5) comprises a flip servo motor (51), a support plate (52), a DD motor (53) and a mounting plate (54); the flip servo motor (51) is fixedly connected to the surface of the pitch frame (43).

8. The millimeter wave turntable for laser radar detection according to claim 7, characterized in that: The support plate (52) is rotatably connected to the surface of the pitch frame (43), and one end of the support plate (52) is fixedly connected to the output end of the flip servo motor (51); a DD motor (53) is fixed to the surface of the support plate (52), both output ends of the DD motor (53) are installed with a mounting plate (54), and a gyroscope (55) is fixed to the surface of the mounting plate (54).

9. The millimeter wave turntable for laser radar detection according to claim 1, characterized in that: The millimeter wave mechanism (6) is composed of a pad module (61), a product clamping module (62) and a product plug-in module group (63); the pad module (61) is mounted on the surface of a mounting plate (54); the product plug-in module group (63) is mounted inside the pad module (61); the product clamping module (62) is fixed on the surface of the pad module (61); the product clamping module (62) and the product plug-in module group (63) are used for quick plugging of a laser radar product (7) to be tested.

10. A laser detection shielding box for laser radar detection, comprising a shielding box body (8), characterized in that: The shielding box (8) comprises a millimeter wave turntable for laser radar detection according to any one of claims 1 to 9.

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