Laser radar dustproof device with air pump

Abstract

The utility model discloses a laser radar dustproof device with an air pump, which belongs to the technical field of dedusting methods in the working process of laser radar equipment, and comprises a laser radar shell and a radar window arranged on the surface of the laser radar shell, the surface of the laser radar shell is provided with rectangular blow holes, and the air pump is arranged in the radar window. An opening of the rectangular blowing hole faces one side of the radar window, and the outer surface of the laser radar shell is connected with an air pipe connector in a communicating mode. The bottom of the air pipe connector is communicated and connected with an air storage tank through an electromagnetic valve, and an air storage connector of the air storage tank is communicated and connected with the air pumping end of the air pump body. A dust removal device controller is installed in the laser radar shell and sends a dust removal signal, during dust removal, an air pump body inflates air into an air storage tank to accumulate pressure, when the pressure reaches a preset value, an electromagnetic valve is opened to blow air for dust removal, air is discharged through a rectangular air blowing hole along an air pipe connector, and the good dust removal effect is achieved; and meanwhile, abrasion of the radar window caused by long-time high-speed blowing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal methods during the operation of laser radar equipment, and more specifically to a laser radar dust prevention device with an air pump. Background Art

[0002] Lidar is a radar system that emits laser beams to detect the position, speed and other characteristic quantities of a target. Its working principle is to emit a detection signal (laser beam) to the target, and then compare the received signal reflected from the target (target echo) with the emitted signal, and after appropriate processing, the relevant information of the target can be obtained.

[0003] After searching, the existing announcement number CN218497133U is a dust removal and dust prevention device for solid-state array laser radar, including a dustproof base; the laser radar to be dusted is arranged above the dustproof base; the dustproof base is a hollow shell structure; the dustproof base includes a top plate and a bottom plate, the top plate is provided with air outlet holes, and the bottom plate is provided with air inlet holes; a fan is arranged in the dustproof base; the laser radar to be dusted is arranged at the center above the top plate, and the laser radar to be dusted is a solid-state array laser radar; the air outlet holes are arranged on one side of the laser radar to be dusted; the air outlet holes are rectangular ventilation holes, and the long axis direction of the air outlet holes is parallel to the edge of the top plate; the third air outlet holes are distributed between the first air outlet holes and the second air outlet holes, and the third air outlet holes are vertical ventilation holes; the rectangular ventilation holes are arranged on one side of the laser radar to be dusted to avoid affecting the detection accuracy of the adjacent solid-state array laser radar and ensure the accuracy of the array laser radar.

[0004] Rain, snow, water stains, dust, bad weather... these are common environmental factors that interfere with the working performance of radar, causing the radar performance to weaken or become unusable. Therefore, we propose a lidar dustproof device with an air pump to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a laser radar dust prevention device with an air pump. A dust removal device controller is installed inside the laser radar shell to send a dust removal signal. The dust removal signal is sent to the dust removal device controller through the laser radar. During dust removal, the air pump body inflates and accumulates pressure in the air tank. When the pressure reaches a predetermined value, the solenoid valve is opened for blowing and dust removal. The air is discharged through the rectangular blowing holes along the air pipe joint. The rectangular blowing holes blow air to the radar window of the laser radar shell, which can achieve a good dust removal effect and avoid the wear of the radar window caused by long-term high-speed blowing.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A laser radar dustproof device with an air pump, comprising a laser radar housing and a radar window installed on the surface of the laser radar housing, wherein a rectangular air blowing hole is opened on the surface of the laser radar housing, and the opening of the rectangular air blowing hole faces one side of the radar window, and an air pipe joint is connected to the outer surface of the laser radar housing;

[0010] The bottom of the air pipe joint is connected to an air storage tank through a solenoid valve, and the air storage joint of the air storage tank is connected to the air pump end of the air pump body;

[0011] A bracket is arranged outside the laser radar housing, and the bracket is movably connected to the laser radar housing through a positioning rod.

[0012] Preferably, a back plate is detachably connected to the back side of the laser radar housing via bolts, and a heat dissipation groove is provided on the surface of the back plate.

[0013] Preferably, the end of the air pipe joint passes through the laser radar housing, and the penetrating end of the air pipe joint is connected to the rectangular blowing hole.

[0014] Preferably, a wire connector is fixedly connected to the outer wall of the laser radar housing, and a sealing ring is bonded to the end surface of the wire connector.

[0015] Preferably, a mounting hole is provided at the bottom of the bracket, and anti-slip grooves are provided on the lower surface of the bracket.

[0016] Preferably, the bracket is arranged in an L-shape, and a guide groove is provided on the surface of the bracket.

[0017] Preferably, a guide rod is fixedly connected to the side wall of the laser radar housing, and the guide rod is inserted into the guide groove of the bracket and is slidably arranged.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the advantages of the present invention are:

[0020] (1) In this scheme, a dust removal device controller is installed inside the laser radar shell to send a dust removal signal. The dust removal signal is sent to the dust removal device controller through the laser radar. During dust removal, the air pump body charges and accumulates pressure in the air tank. When the pressure reaches a predetermined value, the solenoid valve is opened for blowing and dust removal. The air is discharged through the rectangular blowing holes along the air pipe joint. The rectangular blowing holes blow air to the radar window of the laser radar shell, which can achieve a good dust removal effect and avoid the wear of the radar window due to long-term high-speed blowing. In addition, a multi-stage blowing dust removal method is set inside the laser radar shell to remove dust from the radar surface, which has a wide range of applications.

[0021] (2) In this solution, the bracket is movably connected to the laser radar shell through a positioning rod. The bracket is placed on a supporting surface. When the angle of the laser radar shell needs to be adjusted, the laser radar shell is rotated relative to the bracket. The laser radar shell rotates relative to the bracket along the positioning rod as the axis, and the guide rod on the side wall of the radar shell slides along the guide groove of the bracket, which has the effect of auxiliary guidance and support. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the bracket and the laser radar housing of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the laser radar housing and the air pipe joint of the utility model;

[0025] Figure 4 This is a schematic diagram of the laser radar housing and back panel structure of the utility model.

[0026] Description of the numbers in the figure:

[0027] 1. Bracket; 101. Guide groove; 2. Guide rod; 3. Positioning rod; 4. Laser radar housing; 5. Radar window; 6. Rectangular air hole; 7. Air pipe joint; 8. Mounting hole; 9. Wire joint; 10. Back plate; 11. Heat sink; 12. Solenoid valve; 13. Air tank; 14. Air pump body. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0029] Embodiment 1:

[0030] See also Figure 1-4 A laser radar dustproof device with an air pump comprises a laser radar housing 4 and a radar window 5 installed on the surface of the laser radar housing 4. A rectangular air blowing hole 6 is opened on the surface of the laser radar housing 4. The opening of the rectangular air blowing hole 6 faces one side of the radar window 5. An air pipe joint 7 is connected to the outer surface of the laser radar housing 4.

[0031] The bottom of the air pipe joint 7 is connected to the air storage tank 13 through the solenoid valve 12, and the air storage joint of the air storage tank 13 is connected to the air pump end of the air pump body 14;

[0032] A bracket 1 is mounted outside the laser radar housing 4 , and the bracket 1 is movably connected to the laser radar housing 4 via a positioning rod 3 .

[0033] The back of the laser radar housing 4 is detachably connected to a back plate 10 by bolts, and a heat dissipation groove 11 is provided on the surface of the back plate 10. The end of the air pipe joint 7 passes through the laser radar housing 4, and the through end of the air pipe joint 7 is connected to the rectangular blowing hole 6.

[0034] It should be noted that a dust removal device controller is installed inside the laser radar housing 4 to send a dust removal signal. The dust removal signal is sent to the dust removal device controller through the laser radar. During dust removal, the air pump body 14 inflates and accumulates pressure in the air tank 13. When the pressure reaches a predetermined value, the solenoid valve 12 is opened for blowing and dust removal. The air is discharged along the air pipe joint 7 through the rectangular blowing hole 6. The rectangular blowing hole 6 blows air to the radar window 5 of the laser radar housing 4, which can achieve a good dust removal effect and avoid the wear of the radar window 5 due to long-term high-speed blowing. A multi-stage blowing dust removal method is set inside the laser radar housing 4 to remove dust from the radar surface, which has a wide range of applications. (The dust removal device controller is set, installed, debugged and processed by technical personnel in this field, and has a good electrical control effect).

[0035] See also Figure 1-4 The outer wall of the laser radar housing 4 is fixedly connected with a wire connector 9, and a sealing ring is bonded to the end surface of the wire connector 9. A mounting hole 8 is provided at the bottom of the bracket 1, and an anti-slip pattern is provided on the lower surface of the bracket 1. The bracket 1 is L-shaped, and a guide groove 101 is provided on the surface of the bracket 1. The side wall of the laser radar housing 4 is fixedly connected with a guide rod 2, and the guide rod 2 is inserted into the guide groove 101 of the bracket 1 and is slidably arranged.

[0036] It should be noted that the bracket 1 is movably connected to the laser radar shell 4 through the positioning rod 3. The bracket 1 is placed on a supporting surface. When the angle of the laser radar shell 4 needs to be adjusted, the laser radar shell 4 is rotated relative to the bracket 1. The laser radar shell 4 rotates relative to the bracket 1 along the positioning rod 3 as the axis, and the guide rod 2 on the side wall of the radar shell 4 slides along the guide groove 101 of the bracket 1, which has the effect of auxiliary guidance and support.

[0037] When in use: a dust removal device controller is installed inside the laser radar housing 4 to send a dust removal signal, and the dust removal signal is sent to the dust removal device controller through the laser radar. During dust removal, the air pump body 14 charges and accumulates pressure in the air storage tank 13. When the pressure reaches a predetermined value, the solenoid valve 12 is opened for blowing and dust removal. The air is discharged along the air pipe joint 7 through the rectangular blowing hole 6. The rectangular blowing hole 6 blows air to the radar window 5 of the laser radar housing 4, which can achieve a good dust removal effect and avoid the wear of the radar window 5 by long-term high-speed blowing. A multi-stage blowing dust removal method is set inside the laser radar housing 4 to remove dust from the radar surface, which has a wide range of applications. The bracket 1 is movably connected to the laser radar housing 4 through the positioning rod 3, and the bracket 1 is placed on the supporting surface. When the angle of the laser radar housing 4 needs to be adjusted, the laser radar housing 4 is rotated relative to the bracket 1, and the laser radar housing 4 rotates relative to the bracket 1 along the positioning rod 3 as the axis, and the guide rod 2 of the side wall of the radar housing 4 slides along the guide groove 101 of the bracket 1, which has the effect of auxiliary guidance and support.

[0038] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A laser radar dustproof device with an air pump, comprising a laser radar housing (4) and a radar window (5) installed on the surface of the laser radar housing (4), characterized in that: A rectangular air blowing hole (6) is provided on the surface of the laser radar housing (4), the opening of the rectangular air blowing hole (6) faces one side of the radar window (5), and an air pipe joint (7) is conductively connected to the outer surface of the laser radar housing (4); The bottom of the air pipe joint (7) is conductively connected to an air storage tank (13) via a solenoid valve (12), and the air storage joint of the air storage tank (13) is conductively connected to the air pump end of the air pump body (14); A bracket (1) is mounted outside the laser radar housing (4), and the bracket (1) is movably connected to the laser radar housing (4) via a positioning rod (3).

2. A laser radar dust prevention device with an air pump according to claim 1, characterized in that: A back plate (10) is detachably connected to the back of the laser radar housing (4) via bolts, and a heat dissipation groove (11) is provided on the surface of the back plate (10).

3. The laser radar dust prevention device with an air pump according to claim 1, characterized in that: The end of the air pipe joint (7) penetrates the laser radar housing (4), and the through end of the air pipe joint (7) is connected to the rectangular blowing hole (6).

4. The laser radar dust prevention device with an air pump according to claim 1, characterized in that: A wire connector (9) is fixedly connected to the outer wall of the laser radar housing (4), and a sealing ring is bonded to the end surface of the wire connector (9).

5. The laser radar dust prevention device with an air pump according to claim 1, characterized in that: The bottom of the bracket (1) is provided with a mounting hole (8), and the lower surface of the bracket (1) is provided with anti-slip grooves.

6. The laser radar dust prevention device with an air pump according to claim 1, characterized in that: The bracket (1) is arranged in an L-shape, and a guide groove (101) is provided on the surface of the bracket (1).

7. The laser radar dust prevention device with an air pump according to claim 1, characterized in that: A guide rod (2) is fixedly connected to the side wall of the laser radar housing (4); the guide rod (2) is inserted into the guide groove (101) of the bracket (1) and is arranged to slide.

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