Laser radar device for monitoring atmospheric particulates

Abstract

The invention discloses a laser radar device for atmospheric particulate monitoring, and relates to the technical field of atmospheric particulate laser radars, the laser radar device comprises a protection box, a radar storage mechanism is arranged in the protection box, the radar storage mechanism comprises a first sliding groove formed in the protection box, and the exterior of the first sliding groove is slidably connected with a cleaning box; second connecting plates are symmetrically and rotatably connected to the exterior of the cleaning box, fixing plates are rotatably connected to the exteriors of the second connecting plates, radar bodies are arranged on the exteriors of the fixing plates, and baffles are fixedly connected to the interior of the protection box. A first threaded rod rotates to drive a cleaning box to slide in a first sliding groove, and finally second connecting plates which are symmetrically and rotatably connected with the exterior of the cleaning box can drive a fixing plate to be stored in a protection box, so that the radar body is conveniently stored and protected, and the radar body is prevented from being polluted or damaged; and the monitoring precision and reliability are ensured.

Description

Technical Field

[0001] The present invention relates to the field of atmospheric particle laser radar technology, and in particular to a laser radar device for monitoring atmospheric particle. Background Art

[0002] With the rapid development of industrialization and urbanization, the problem of air pollution is becoming increasingly serious, especially particulate matter pollution. Particulate matter not only directly harms human health, such as causing respiratory diseases and cardiovascular diseases, but also damages the ecological environment, such as acid rain and haze. Therefore, real-time monitoring and control of atmospheric particulate matter is particularly important. LiDAR technology is a remote sensing technology that uses laser beams to detect target objects and obtain information such as their position, speed, and shape. It has the advantages of high measurement accuracy, strong anti-interference ability, and long detection distance, so it has been widely used in the field of atmospheric particulate matter monitoring.

[0003] After searching, the Chinese patent number CN218240419U discloses a laser radar device for monitoring the movement of atmospheric particles, which belongs to the field of laser radar technology for atmospheric particles, and includes a radar body, the bottom end of which is connected to a mounting plate, the mounting plate is rotatably connected to an assembly plate, the bottom end of the assembly plate is connected to a rotating rod, a forward and reverse motor for providing power is arranged below the rotating rod, the bottom end of the forward and reverse motor is connected to an adjusting member, and the rotating rod is connected and fixed to the output shaft of the forward and reverse motor through a coupling; the side of the assembly plate is connected to a side plate, the side of the side plate is connected to an electric push rod and a winch, the top of the electric push rod is connected to a hemispherical block for lifting the mounting plate, the wire rope of the winch is connected and fixed to the mounting plate, and the adjusting member includes an upper connecting plate, a lower connecting plate, a plug plate 1 and a hollow plate 1. The laser radar device for monitoring the movement of atmospheric particles can not only realize all-round adjustment, but also adjust the use height. The Chinese patent number CN218240419U solves the problem that atmospheric particle lidar is widely used, but most of them are fixed on a device or apparatus and do not have the function of adjustment.

[0004] However, in actual use, it is difficult to store and protect the radar. The radar is exposed to the external environment for a long time, which may cause contamination or damage, thereby affecting its monitoring accuracy and reliability. At the same time, it is difficult to clean the surface of the radar. Pollutants accumulated on the surface of the radar will affect the detection effect and measurement accuracy. Therefore, it is necessary to propose a laser radar device for atmospheric particulate matter monitoring. Summary of the invention

[0005] The purpose of the present invention is to solve the problems in the prior art that it is difficult to store and protect the radar, and the radar is exposed to the external environment for a long time, which may cause contamination or damage, thereby affecting its monitoring accuracy and reliability. At the same time, it is difficult to clean the surface of the radar, and the pollutants accumulated on the surface of the radar will affect the detection effect and measurement accuracy. A laser radar device for monitoring atmospheric particulate matter is proposed to solve the problems in the prior art that the radar is difficult to store and protect, and the radar is exposed to the external environment for a long time, which may cause contamination or damage, thereby affecting its monitoring accuracy and reliability.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A laser radar device for monitoring atmospheric particulate matter, comprising a protection box, wherein a radar storage mechanism is arranged inside the protection box, wherein the radar storage mechanism comprises a first slide groove arranged inside the protection box, wherein a cleaning box is slidably connected to the outside of the first slide groove, wherein a second connecting plate is symmetrically rotatably connected to the outside of the cleaning box, wherein a fixed plate is rotatably connected to the outside of the second connecting plate, wherein a radar body is arranged outside the fixed plate, and a baffle is fixedly connected to the inside of the protection box;

[0008] A radar cleaning mechanism is provided on the outside of the cleaning box, and the radar cleaning mechanism includes a second threaded rod arranged on the outside of the cleaning box, the external thread of the second threaded rod is connected to a third connecting plate, the outside of the third connecting plate is fixedly connected to a plurality of brushes, the outside of the cleaning box is fixedly connected to a fixing rod, and the fixing rod and the third connecting plate are slidably connected.

[0009] The above technical solution further includes:

[0010] The cleaning box is slidably connected to the protective box, the second threaded rod is rotatably connected to the cleaning box, a first motor is fixedly installed on the outside of the protective box, a first threaded rod is provided at the output end of the first motor, the first threaded rod and the protective box are rotatably connected, the external thread connection of the first threaded rod is connected to a threaded sleeve, the external fixed connection of the threaded sleeve is connected to a first connecting plate, and the first connecting plate and the cleaning box are fixedly connected.

[0011] The protective box is fixedly connected with a rack inside, the cleaning box is fixedly connected with a plurality of fourth connecting plates outside, the fourth connecting plates are rotatably connected with a third rotating shaft outside, the third rotating shaft is fixedly connected with a first gear outside, and the first gear can be meshed with the rack.

[0012] The outside of the third rotating shaft is fixedly connected with a first bevel gear, the outside of the first bevel gear is meshingly connected with a second bevel gear, the outside of the second bevel gear is fixedly connected with the first rotating shaft, and the first rotating shaft is rotatably connected to the fourth connecting plate.

[0013] The first rotating shaft is externally connected to a belt, the belt is externally connected to a second rotating shaft, the second rotating shaft is rotationally connected to the cleaning box, and the second rotating shaft is fixedly connected to the second threaded rod.

[0014] The outside of the protection box is fixedly connected with a turntable, the outside of the turntable is symmetrically fixedly connected with a sliding rod, and the outside of the sliding rod is slidably connected with a second sliding groove.

[0015] The second slide groove is arranged outside the fixed column, a second motor is fixedly installed inside the fixed column, and an output end of the second motor is fixedly connected to the turntable.

[0016] The outside of the fixing column is rotatably connected with a supporting column, and the supporting column is provided in multiples.

[0017] The laser radar device also includes:

[0018] Laser emission module: responsible for generating high-energy laser beams for irradiating particles in the atmosphere;

[0019] Receiving module: responsible for receiving the echo signal after the laser is scattered by particles in the atmosphere;

[0020] Signal processing module: responsible for processing the received signal;

[0021] Data storage and analysis module: stores and analyzes the processed data to generate concentration and distribution information of atmospheric particulate matter.

[0022] The laser radar device also includes a control module, which is responsible for coordinating the work of each module and providing an operator with an operating system interface for setting parameters, monitoring status and viewing results.

[0023] The present invention has the following beneficial effects:

[0024] 1. In the present invention, when the radar body needs to be stored, the first threaded rod can be rotated to drive the cleaning box to slide inside the first slide groove, and finally the second connecting plate symmetrically rotated and connected to the outside of the cleaning box can drive the fixed plate to be stored inside the protective box, so as to facilitate the storage and protection of the radar body, prevent the radar body from being contaminated or damaged, and ensure the monitoring accuracy and reliability.

[0025] 2. In the present invention, when the radar body is stored, after the first gear rotatably connected to the outside of the cleaning box is meshed with the rack, the first gear will drive the third rotating shaft to rotate, and eventually the radar cleaning mechanism will clean the outside of the radar body, thereby facilitating the removal of dust and particulate matter accumulated on the outside of the radar body, thereby ensuring the performance of the radar body and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of a laser radar device for monitoring atmospheric particulate matter proposed by the present invention;

[0027] Figure 2 It is a schematic diagram of the first structure of the present invention;

[0028] Figure 3 It is a second structural schematic diagram of the present invention;

[0029] Figure 4 It is a schematic diagram of the third structure of the present invention;

[0030] Figure 5 It is a schematic diagram of the fourth structure of the present invention;

[0031] Figure 6 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0032] Figure 7 for Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0033] Figure 8 for Figure 2 Enlarged schematic diagram of the structure at point C in the middle.

[0034] In the figure: 1, protective box; 2, first threaded rod; 3, first slide groove; 4, threaded sleeve; 5, rack; 6, fixed plate; 7, radar body; 8, baffle; 9, cleaning box; 10, first connecting plate; 11, fixed rod; 12, second threaded rod; 13, second connecting plate; 14, first gear; 15, first rotating shaft; 16, belt; 17, second rotating shaft; 18, first motor; 19, second motor; 20, fixed column; 21, second slide groove; 22, slide rod; 23, support column; 24, turntable; 25, third connecting plate; 26, brush; 27, third rotating shaft; 28, first bevel gear; 29, second bevel gear; 30, fourth connecting plate. DETAILED DESCRIPTION

[0035] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0036] Embodiment 1

[0037] like Figure 1-8As shown, a laser radar device for monitoring atmospheric particulate matter includes a protection box 1, a radar storage mechanism is arranged inside the protection box 1, the radar storage mechanism includes a first slide groove 3 arranged inside the protection box 1, a cleaning box 9 is slidably connected to the outside of the first slide groove 3, a second connecting plate 13 is symmetrically rotatably connected to the outside of the cleaning box 9, a fixed plate 6 is rotatably connected to the outside of the second connecting plate 13, a radar body 7 is arranged outside the fixed plate 6, and a baffle 8 is fixedly connected to the inside of the protection box 1;

[0038] The outside of the cleaning box 9 is provided with a radar cleaning mechanism, which includes a second threaded rod 12 arranged outside the cleaning box 9, the outer thread of the second threaded rod 12 is connected with a third connecting plate 25, the outer part of the third connecting plate 25 is fixedly connected with a plurality of brushes 26, the outer part of the cleaning box 9 is fixedly connected with a fixing rod 11, and the fixing rod 11 and the third connecting plate 25 are slidably connected;

[0039] The cleaning box 9 is slidably connected to the protection box 1, the second threaded rod 12 is rotatably connected to the cleaning box 9, a first motor 18 is fixedly installed on the outside of the protection box 1, a first threaded rod 2 is provided at the output end of the first motor 18, the first threaded rod 2 is rotatably connected to the protection box 1, the external thread connection of the first threaded rod 2 is connected to a threaded sleeve 4, the external fixed connection of the threaded sleeve 4 is connected to a first connecting plate 10, and the first connecting plate 10 is fixedly connected to the cleaning box 9;

[0040] The interior of the protection box 1 is fixedly connected with a rack 5, the exterior of the cleaning box 9 is fixedly connected with a plurality of fourth connecting plates 30, the exterior of the fourth connecting plates 30 is rotatably connected with a third rotating shaft 27, the exterior of the third rotating shaft 27 is fixedly connected with a first gear 14, and the first gear 14 can be meshedly connected with the rack 5;

[0041] The outside of the third rotating shaft 27 is fixedly connected with a first bevel gear 28, the outside of the first bevel gear 28 is meshedly connected with a second bevel gear 29, the outside of the second bevel gear 29 is fixedly connected with the first rotating shaft 15, and the first rotating shaft 15 is rotatably connected to the fourth connecting plate 30;

[0042] The first rotating shaft 15 is externally connected to a belt 16 , and the belt 16 is externally connected to a second rotating shaft 17 . The second rotating shaft 17 is rotationally connected to the cleaning box 9 , and the second rotating shaft 17 is fixedly connected to the second threaded rod 12 .

[0043] In this embodiment, when the radar body 7 needs to be stored, the first motor 18 is started to rotate the first threaded rod 2 arranged at the output end of the first motor 18. When the first threaded rod 2 rotates, the threaded sleeve 4 connected to the outside thread will drive the first threaded sleeve 4 to move outside the first threaded rod 2, and the threaded sleeve 4 will drive the first connecting plate 10 fixedly connected to the outside to move, that is, the first connecting plate 10 will drive the cleaning box 9 fixedly connected to the outside to slide on the first slide groove 3. When the cleaning box 9 slides, it will drive the second connecting plate 13 connected to the outside to rotate away from the baffle 8 fixedly connected to the inside of the protective box 1. At this time, the second connecting plate 13 symmetrically connected to the second connecting plate 13 will rotate, that is, the second connecting plate 13 will drive the fixed plate 6 connected to the outside to rotate to be stored inside the protective box 1, that is, the radar body 7 arranged outside the fixed plate 6 will be stored inside the protective box 1, which can prevent the radar body 7 from being exposed to the outside for a long time and being contaminated or damaged, thereby ensuring the monitoring accuracy and reliability;

[0044] When the cleaning box 9 continues to slide in the first slide groove 3, the first gear 14 will be meshed with the rack 5 fixedly connected inside the protective box 1, that is, the first gear 14 will rotate, and when the first gear 14 rotates, it will drive the third rotating shaft 27 fixedly connected to the outside to rotate. The third rotating shaft 27 and the fourth connecting plate 30 are rotatably connected, so that the rotation of the third rotating shaft 27 can be kept stable, and the third rotating shaft 27 will drive the first bevel gear 28 fixedly connected to the outside to rotate. The rotation of the first bevel gear 28 will cause the second bevel gear 29 meshed with the outside to rotate. The rotation of the second bevel gear 29 will drive the first rotating shaft 15 fixedly connected to the outside to rotate. When the first rotating shaft 15 rotates, the belt 16 connected to the external transmission will be transmitted;

[0045] When the belt 16 is transmitted, the second rotating shaft 17 connected to the external transmission will rotate, and the second rotating shaft 17 will drive the second threaded rod 12 fixedly connected to the external to rotate. When the second rotating shaft 17 rotates, the third connecting plate 25 connected to the external thread will move on the second threaded rod 12. The fixed rod 11 fixedly connected to the outside of the cleaning box 9 and the third connecting plate 25 are slidably connected, so that the third connecting plate 25 can remain stable when moving, that is, when the third connecting plate 25 moves, it can drive the multiple brushes 26 fixedly connected to the outside to clean the outside of the radar body 7 stored in the protective box 1, so as to remove the dust and particulate matter accumulated on the outside of the radar body 7, thereby ensuring the performance of the radar body 7 and extending its service life.

[0046] When the first threaded rod 2 rotates in the opposite direction, the first gear 14 will be driven to rotate in the opposite direction through the rack 5, so that the radar cleaning mechanism can be restored to its original position. When the cleaning box 9 continues to move to release the second connecting plate 13 and the baffle 8, under the blocking effect of the baffle 8, the cleaning box 9 continues to move to push the second connecting plate 13 symmetrically connected to rotate, so that the second connecting plate 13 can drive the fixed plate 6 and the radar body 7 to extend out of the protective box 1 for monitoring.

[0047] Embodiment 2

[0048] like Figure 1-8 As shown, the outside of the protective box 1 is fixedly connected with a turntable 24, the outside of the turntable 24 is symmetrically fixedly connected with a slide bar 22, the outside of the slide bar 22 is slidably connected to the second slide slot 21, the second slide slot 21 is opened on the outside of the fixed column 20, the inside of the fixed column 20 is fixedly installed with a second motor 19, the output end of the second motor 19 is fixedly connected to the turntable 24, the outside of the fixed column 20 is rotatably connected with a support column 23, and the support column 23 is set in multiples;

[0049] The laser radar device also includes: a laser emission module: responsible for generating a high-energy laser beam for irradiating particles in the atmosphere; a receiving module: responsible for receiving the echo signal after the laser is scattered by particles in the atmosphere; a signal processing module: responsible for processing the received signal; a data storage and analysis module: storing and analyzing the processed data to generate the concentration and distribution information of atmospheric particles;

[0050] The laser radar device also includes a control module, which is responsible for coordinating the work of each module and providing an operator with an operating system interface for setting parameters, monitoring status and viewing results.

[0051] In this embodiment, the second motor 19 fixedly installed inside the fixed column 20 is started, and the second motor 19 will drive the turntable 24 set at the output end to rotate. The second slide groove 21 provided on the outside of the fixed column 20 is symmetrically slidably connected with the slide rod 22, and the slide rod 22 is fixedly connected to the turntable 24, that is, the turntable 24 can remain stable when it rotates. The protection box 1 and the turntable 24 are fixedly connected, that is, the monitoring angle of the radar body 7 can be adjusted. The multiple support columns 23 rotatably connected outside the fixed column 20 can adjust the height of the device, and can ensure the stability of the device during monitoring, while improving the portability of the device.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser radar device for monitoring atmospheric particulate matter, comprising a protective box (1), characterized in that: The interior of the protection box (1) is provided with a radar storage mechanism, and the radar storage mechanism comprises a first slide groove (3) arranged inside the protection box (1), the outside of the first slide groove (3) is slidably connected to a cleaning box (9), the outside of the cleaning box (9) is symmetrically rotatably connected to a second connecting plate (13), the outside of the second connecting plate (13) is rotatably connected to a fixing plate (6), the outside of the fixing plate (6) is provided with a radar body (7), and the inside of the protection box (1) is fixedly connected to a baffle (8); A radar cleaning mechanism is provided on the outside of the cleaning box (9), and the radar cleaning mechanism comprises a second threaded rod (12) arranged on the outside of the cleaning box (9), the outside of the second threaded rod (12) is threadedly connected to a third connecting plate (25), the outside of the third connecting plate (25) is fixedly connected to a plurality of brushes (26), the outside of the cleaning box (9) is fixedly connected to a fixing rod (11), and the fixing rod (11) and the third connecting plate (25) are slidably connected.

2. The laser radar device for monitoring atmospheric particulate matter according to claim 1, characterized in that: The cleaning box (9) is slidably connected to the protective box (1), the second threaded rod (12) is rotatably connected to the cleaning box (9), a first motor (18) is fixedly mounted on the outside of the protective box (1), a first threaded rod (2) is provided at the output end of the first motor (18), the first threaded rod (2) is rotatably connected to the protective box (1), the first threaded rod (2) is externally threadedly connected to a threaded sleeve (4), the threaded sleeve (4) is externally fixedly connected to a first connecting plate (10), and the first connecting plate (10) is fixedly connected to the cleaning box (9).

3. The laser radar device for monitoring atmospheric particulate matter according to claim 1, characterized in that: The interior of the protection box (1) is fixedly connected to a rack (5), the exterior of the cleaning box (9) is fixedly connected to a plurality of fourth connecting plates (30), the exterior of the fourth connecting plates (30) is rotatably connected to a third rotating shaft (27), the exterior of the third rotating shaft (27) is fixedly connected to a first gear (14), and the first gear (14) can be meshedly connected to the rack (5).

4. The laser radar device for monitoring atmospheric particulate matter according to claim 3, characterized in that: The outside of the third rotating shaft (27) is fixedly connected to a first bevel gear (28), the outside of the first bevel gear (28) is meshingly connected to a second bevel gear (29), the outside of the second bevel gear (29) is fixedly connected to a first rotating shaft (15), and the first rotating shaft (15) is rotatably connected to a fourth connecting plate (30).

5. The laser radar device for monitoring atmospheric particulate matter according to claim 4, characterized in that: The first rotating shaft (15) is externally connected to a belt (16), and the belt (16) is externally connected to a second rotating shaft (17). The second rotating shaft (17) is rotationally connected to the cleaning box (9), and the second rotating shaft (17) is fixedly connected to the second threaded rod (12).

6. The laser radar device for monitoring atmospheric particulate matter according to claim 1, characterized in that: The outside of the protection box (1) is fixedly connected to a turntable (24), the outside of the turntable (24) is symmetrically fixedly connected to a slide rod (22), and the outside of the slide rod (22) is slidably connected to a second slide groove (21).

7. The laser radar device for monitoring atmospheric particulate matter according to claim 6, characterized in that: The second slide groove (21) is arranged outside the fixed column (20), a second motor (19) is fixedly installed inside the fixed column (20), and an output end of the second motor (19) is fixedly connected to the turntable (24).

8. The laser radar device for monitoring atmospheric particulate matter according to claim 7, characterized in that: The outside of the fixed column (20) is rotatably connected to a support column (23), and the support column (23) is provided in plurality.

9. The laser radar device for monitoring atmospheric particulate matter according to claim 1, characterized in that: The laser radar device also includes: Laser emission module: responsible for generating high-energy laser beams for irradiating particles in the atmosphere; Receiving module: responsible for receiving the echo signal after the laser is scattered by particles in the atmosphere; Signal processing module: responsible for processing the received signal; Data storage and analysis module: stores and analyzes the processed data to generate concentration and distribution information of atmospheric particulate matter.

10. The laser radar device for monitoring atmospheric particulate matter according to claim 1, characterized in that: The laser radar device also includes a control module, which is responsible for coordinating the work of each module and providing an operator with an operating system interface for setting parameters, monitoring status and viewing results.

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