CN111712119B

CN111712119B - Dust-proof type ventilation and heat dissipation device for road and bridge construction monitoring system

Info

Publication number: CN111712119B
Application number: CN202010768056.7A
Authority: CN
Inventors: 王�忠; 吴海龙
Original assignee: Guangzhou Third Municipal Engineering Co Ltd
Current assignee: Guangzhou Third Municipal Engineering Co Ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2023-01-13
Anticipated expiration: 2040-08-03
Also published as: CN111712119A

Abstract

The invention relates to the technical field of monitoring system heat dissipation, in particular to a dustproof type ventilation and heat dissipation device for a road and bridge construction monitoring system. According to the invention, through the arrangement of the second sealing plate positioned above the camera lens, generated air flow can pass through the first channel top plate and the first channel side plate, and the second channel top plate and the second channel side plate during heat dissipation operation and is finally discharged from the second sealing plate and the second clamping plate, and the discharged air flow washes the surface of the camera lens at the bottom of the second sealing plate, so that the accumulation of dust is avoided, water vapor is prevented from attaching to the surface of the camera lens, and the shooting quality of the camera during working is improved.

Description

Dust-proof type ventilation and heat dissipation device for road and bridge construction monitoring system

Technical Field

The invention relates to the technical field of monitoring system heat dissipation, in particular to a dustproof type ventilation and heat dissipation device for a road and bridge construction monitoring system.

Background

In order to control the progress of a project, record the situation of a construction site and monitor the safety of the construction site, a monitoring system is required to be laid for installing a camera so as to record pictures and collect sound.

Because the camera is high-power electrical apparatus, and operating time is long, do not shut down the rest, the heat can be a large amount of top of concentrating on the camera, it influences to camera shooting process, so it is especially important to dispel the heat to the camera, the heat dissipation can improve the life of camera, can avoid the overheated potential safety hazard that causes of camera, the camera is because use at the building site, the building site has the characteristics that the dust is big and the rainwater is muddy, the camera lens meets under the dust is big, under the big operational environment of steam, influence its normal use, cause the not clear and difficult condition of clearance of picture of shooting easily, therefore, need a road and bridge construction heat abstractor of taking a breath for monitored control system, dispel the heat to the camera.

Disclosure of Invention

The invention aims to solve the problems that the service life is influenced and potential safety hazards are caused due to the fact that a camera is overheated and the use of the surface of a camera lens is influenced in an environment with large dust and water vapor in the prior art, and provides a dustproof ventilation and heat dissipation device for a road and bridge construction monitoring system.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a road bridge construction is dust protected heat abstractor that takes a breath for monitored control system, includes main cover plate and camera, the both sides of main cover plate are provided with the main side board, the bottom fixedly connected with first passageway roof of main cover plate, the both sides of first passageway roof are provided with first passageway curb plate, one side of first passageway roof is provided with first closing plate, and one side fixedly connected with backup pad that first closing plate is close to the first passageway roof to one side fixedly connected with first splint of first closing plate are kept away from to the backup pad, the bottom fixedly connected with first filter screen of backup pad, the both sides fixedly connected with radiator fan of backup pad, the both sides of first passageway curb plate are provided with first fixture block, and one side that first passageway curb plate was kept away from to first fixture block is provided with first spring beam, one side fixedly connected with the lug of first passageway roof is kept away from to first passageway roof, and the one side fixedly connected with the telescopic spring rod of the first passageway roof of lug, the top surface cover of lug is equipped with the second passageway roof, and the both sides of second passageway roof are provided with the second passageway curb plate, one side fixedly connected with the second clamping plate, and the inside the second clamping plate is provided with the second clamping block, and the inside of second clamping plate is provided with the second clamping plate, and the inside clamping plate is provided with the second clamping block, the second clamping plate, and the clamping plate is provided with the second clamping plate, and the second clamping plate is provided with the second clamping plate, the inside clamping plate, and the clamping plate is provided with the second clamping plate, and the second clamping plate, the clamping plate is provided with the second clamping plate, and the second clamping plate is provided with the second clamping plate, the inside of the clamping plate, the clamping plate is provided with the second clamping plate.

Preferably, the main side plate, the first channel side plate and the second channel side plate are all arranged into two groups, the first channel side plate is arranged inside the main side plate, the second channel side plate is arranged inside the first channel side plate, the distance between the two groups of main side plates is larger than the width of a general monitoring camera, the distance between the two groups of first channel side plates is smaller than the width of the general camera, the heights of the first channel side plate and the second channel side plate are the same, and the bottom of the first channel side plate and the bottom of the second channel side plate are arranged to be in contact with the top surface of the camera.

Preferably, the heights of the first sealing plate, the first clamping block, the second sealing plate and the limiting plate are the same, after the second clamping block is inserted into the sliding groove through the sliding block, the bottom surface of the second clamping block is flush with the bottom surface of the first sealing plate.

Preferably, the cooling fans are arranged in two groups, the two groups of cooling fans are uniformly arranged in the first sealing plate and the first clamping plate, the cooling fans are arranged above the first filter screen, and the top end of the first clamping plate is arranged to be flush with the bottom end of the first channel side plate.

Preferably, the first fixture block and the first spring rod are arranged in two groups, the two groups of the first fixture block and the first spring rod are uniformly arranged on the left side and the right side of the first channel side plate, the first fixture block and the main side plate form elastic connection through the first spring rod, a bayonet is arranged on one side of the first fixture block, and the bayonet is matched with the width of a common camera.

Preferably, the top of lug is provided with the draw-in groove, one side that the second passageway roof is close to the lug is provided with the bayonet socket with the draw-in groove looks adaptation of lug, second passageway roof and lug constitute sliding connection, spring telescopic link's one end fixed connection in lug, other end fixed connection in second splint, first passageway roof and second passageway roof pass through spring telescopic link and constitute elastic sliding connection.

Preferably, the top end of the second clamping plate is flush with the bottom of the second channel side plate, the bottom of the second clamping plate is flush with the bottom of the second sealing plate, and the second filter screen is arranged at the bottoms of the second sealing plate and the second clamping plate.

Preferably, the limiting plates, the sliding grooves and the sliding blocks are arranged in two groups, the two groups of limiting plates and the sliding grooves are arranged on two sides, away from the second clamping plate, of the second channel side plate, the sliding grooves matched with the sliding blocks are formed in the sliding grooves, and the second clamping blocks are in sliding connection with the limiting plates through the sliding grooves.

Preferably, the second fixture blocks and the second spring rods are arranged in two groups, the second spring rods are arranged between the second fixture blocks and the limiting plate, the second fixture blocks are elastically connected with the limiting plate through the second spring rods, a bayonet is arranged on one side of each second fixture block, and the bayonet is matched with the width of a common camera.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the heat radiation fan is arranged, so that air flow can be conveyed for the device, the top of the camera is radiated by air flowing in the first channel top plate and the second channel top plate, the first channel side plate and the second channel side plate are arranged to be abutted against the top surface of the camera, the first channel top plate and the second channel top plate can be kept in a sealed state, the normal conveying of air is ensured, the air flows to the second sealing plate to be discharged, the heat radiation is carried out on the camera, the potential safety hazard caused by the overheating of the camera in work is avoided, and the service life of the camera is prolonged;

2. according to the invention, the second sealing plate positioned above the camera lens is arranged, so that generated air flow can pass through the first channel top plate and the first channel side plate, and the second channel top plate and the second channel side plate during heat dissipation operation, and is finally discharged from the second sealing plate and the second clamping plate, and the discharged air flow washes the surface of the camera lens at the bottom of the second sealing plate, so that dust accumulation is avoided, water vapor is prevented from adhering to the surface of the camera lens, the shooting effect of the camera is prevented from being influenced, and the shooting quality of the camera during working is improved;

3. the first clamping plate and the second clamping plate are arranged, the front and the back of the device can be clamped on the top of the camera, the spring telescopic rod can be fixedly supported by the aid of the lug, the lug and the second clamping plate can be elastically connected by the aid of the spring telescopic rod, the second channel top plate and the second channel side plate can slide in the first channel top plate and the first channel side plate, the second channel side plate and the second clamping plate can be elastically connected, the second clamping plate can clamp the front end and the back end of the main camera, the device can be fixed at four corners of the top surface of the camera by the aid of the first clamping block and the second clamping block, the first clamping block and the main side plate can form an elastic clamping structure by the aid of the first clamping block and the second clamping block by the second clamping block, the top surface of the camera adaptive to different sizes can be clamped in the main side plate, applicability and adaptability of the device are improved, and the application range of the device is wider.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of the structure of the present invention after installation;

FIG. 2 is a bottom perspective view of the structure of the present invention;

FIG. 3 is a bottom exploded perspective view of the structure of the present invention;

FIG. 4 is a schematic bottom view of the structure of the present invention;

FIG. 5 is a schematic bottom sectional view of the structure of the present invention;

FIG. 6 is a schematic sectional view of the structure of the chute of the present invention;

FIG. 7 is a schematic sectional view of a bump structure in front view.

In the figure: 1. a main cover plate; 2. a main side plate; 3. a first channel ceiling; 4. a first channel side plate; 5. a first sealing plate; 6. a support plate; 7. a first splint; 8. a first filter screen; 9. a heat-dissipating fan; 10. a first clamping block; 11. a first spring lever; 12. a bump; 13. a spring telescopic rod; 14. a second channel ceiling; 15. a second channel side plate; 16. a second sealing plate; 17. a second splint; 18. a limiting plate; 19. a chute; 20. a slider; 21. a second fixture block; 22. a second spring lever; 23. a second filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a dustproof ventilation and heat dissipation device for a road and bridge construction monitoring system comprises a main cover plate 1 and a camera, wherein two sides of the main cover plate 1 are provided with main side plates 2, the bottom of the main cover plate 1 is fixedly connected with a first channel top plate 3, two sides of the first channel top plate 3 are provided with first channel side plates 4, one side of the first channel top plate 3 is provided with a first sealing plate 5, one side of the first sealing plate 5, which is close to the first channel top plate 3, is fixedly connected with a supporting plate 6, one side of the supporting plate 6, which is far away from the first sealing plate 5, is fixedly connected with a first clamping plate 7, the bottom of the supporting plate 6 is fixedly connected with a first filter screen 8, two sides of the supporting plate 6 are fixedly connected with heat dissipation fans 9, the heat dissipation fans 9 are arranged into two groups, the two groups of heat dissipation fans 9 are uniformly arranged inside the first sealing plate 5 and the first clamping plate 7, and the heat dissipation fans 9 are arranged above the first filter screen 8, the top end of the first clamping plate 7 is arranged to be flush with the bottom end of the first channel side plate 4, the device can be supported by arranging the main cover plate 1 and the main side plate 2, after the heat radiation fan 9 can work by arranging the first channel top plate 3 and the first channel side plate 4, air enters the first sealing plate 5 and the first clamping plate 7 through the filtration of the first filter screen 8 and flows to the inside of the second channel top plate 14 and the second channel side plate 15 through the first channel top plate 3 and the first channel side plate 4, the first channel top plate 3 is arranged at the top of the first channel side plate 4, the top of the camera, the first channel top plate 3 and the first channel side plate 4 can form a sealed space, the air inside the first channel top plate 3 and the first channel side plate 4 can radiate the top of the camera, the first filter screen 8 can be fixed at the bottoms of the first sealing plate 5 and the first clamping plate 7 by arranging the supporting plate 6, avoid the dust to enter into the inside of first closing plate 5 and first splint 7, first passageway roof 3 and first passageway curb plate 4 cool down the camera, prolong the life of camera, avoid the overheated potential safety hazard that produces of camera.

The two sides of the first channel side plate 4 are provided with first fixture blocks 10, one side of each first fixture block 10, which is far away from the first channel side plate 4, is provided with first spring rods 11, the first fixture blocks 10 and the first spring rods 11 are arranged into two groups, the two groups of first fixture blocks 10 and the first spring rods 11 are uniformly arranged on the left side and the right side of the first channel side plate 4, the first fixture blocks 10 are elastically connected with the main side plate 2 through the first spring rods 11, one side of each first fixture block 10 is provided with a bayonet, the bayonet is matched with the width of a common camera, through the arrangement of the first fixture blocks 10, the rear side of the common camera can be clamped, the device is fixed at the top of the camera, through the arrangement of the first spring rods 11, the tops of the first fixture blocks 10 and the camera can become clamping structures, the device can be matched with cameras with different widths, and the applicability is improved.

One side fixedly connected with lug 12 that first passageway roof 3 kept away from first closing plate 5, and the one side fixedly connected with spring telescopic link 13 of keeping away from first passageway roof 3 of lug 12, the top surface cover of lug 12 is equipped with second passageway roof 14, the top of lug 12 is provided with the draw-in groove, one side that second passageway roof 14 is close to lug 12 is provided with the bayonet socket with the draw-in groove looks adaptation of lug 12, second passageway roof 14 and lug 12 constitute sliding connection, the one end fixed connection of spring telescopic link 13 is in lug 12, other end fixed connection is in second splint 17, first passageway roof 3 and second passageway roof 14 constitute elastic sliding connection through spring telescopic link 13, through being provided with lug 12, can let second passageway roof 14 slide at the top of lug 12, through being provided with spring telescopic link 13, can carry out spacing to the sliding distance of second passageway roof 14 at lug 12 top, let second passageway roof 14 become elastic sliding structure, and then let second closing plate 16 can block with the camera top of different front and back length, improve the suitability of the device.

The both sides of second passageway roof 14 are provided with second passageway curb plate 15, main curb plate 2, first passageway curb plate 4 and second passageway curb plate 15 all set up to two sets of, two sets of inside first passageway curb plate 4 that is provided with of 2 of main curb plates, two sets of inside second passageway curb plate 15 that is provided with of first

passageway curb plate

4, 2 intervals of two sets of main curb plates are greater than general surveillance camera head width, two sets of 4 intervals of first passageway curb plates are less than general camera head width, first passageway curb plate 4 and second passageway curb plate 15 highly the same, the bottom of first passageway curb plate 4 and the bottom of second passageway curb plate 15 set up to contact with the top surface of camera, through being provided with second passageway roof 14 and second passageway curb plate 15, can let first passageway roof 3 and the inside air that flows of first passageway curb plate 4 accept, first passageway roof 3 and first passageway curb plate 4 and second passageway roof 14 and second passageway curb plate 15 constitute inclosed space, let the air can flow out from second splint 17, second passageway roof 14 sets up the setting at the second passageway roof and the heat dissipation camera head side, the heat dissipation side is taken away the heat camera head in the process of heat dissipation, the heat dissipation of second passageway roof 15, the heat dissipation side is carried out, the heat dissipation camera head is carried out.

One side of the second channel top plate 14 far away from the bump 12 is fixedly connected with a second sealing plate 16, one side of the second sealing plate 16 close to the second channel top plate 14 is oppositely provided with a second clamping plate 17, the top end of the second clamping plate 17 is flush with the bottom of the second channel side plate 15, the bottom of the second clamping plate 17 is flush with the bottom of the second sealing plate 16, a second filter screen 23 is arranged at the bottoms of the second sealing plate 16 and the second clamping plate 17, through the arrangement of the second sealing plate 16 and the second clamping plate 17, after air is radiated to the camera, the air is discharged from the second sealing plate 16 and the second clamping plate 17, the second sealing plate 16 and the second clamping plate 17 are arranged at the top of the camera lens, the flowing air can be sprayed on the surface of the camera lens, dust on the surface of the camera lens is cleaned, steam on the surface of the camera lens is cleaned, accumulation of dust and steam is avoided, the shooting quality of the camera is improved.

The two sides of the second sealing plate 16 are provided with limit plates 18, the heights of the first sealing plate 5, the first fixture block 10, the second sealing plate 16 and the limit plates 18 are set to be the same, after the second fixture block 21 is inserted into the sliding groove 19 through the slider 20, the bottom surface of the second fixture block 21 is set to be flush with the bottom surface of the first sealing plate 5, the top of the limit plate 18 is provided with the sliding groove 19, the two sets of limit plates 18, the sliding groove 19 and the slider 20 are set, the two sets of limit plates 18 and the sliding groove 19 are set to be two sides away from the second clamping plate 17 with the second channel side plate 15, the sliding groove 19 is internally provided with the sliding groove matched with the slider 20, the second fixture block 21 is slidably connected with the limit plates 18 through the sliding groove 19, the slider 20 is inserted into the sliding groove 19, the bottom of the slider 20 is fixedly connected with the second fixture block 21, and the two sides of the second fixture block 21 away from the second sealing plate 16 are provided with second spring rods 22, the second fixture block 21 and the second spring rod 22 are arranged into two groups, the second spring rod 22 is arranged between the second fixture block 21 and the limiting plate 18, the second fixture block 21 is elastically connected with the limiting plate 18 through the second spring rod 22, a bayonet is arranged on one side of the second fixture block 21 and is matched with the width of a common camera, a second filter screen 23 is arranged inside the second sealing plate 16 and the second clamping plate 17, the limiting plate 18 and the sliding groove 19 are arranged, the sliding block 20 can move left and right inside the sliding groove 19, the second fixture block 21 can be supported and limited, the sliding block 20 and the top of the camera can form a clamping structure, the device can be more firmly fixed on the top of the camera, the sliding block 20 can form an elastic sliding structure through the second spring rod 22 and can be matched with the tops of cameras with different sizes, and the adaptability of the device is improved, through being provided with second filter screen 23, can filter the inside air that flows out of second closing plate 16 and second splint 17, avoid the dust to enter into the device inside, improve radiating efficiency, prolong the device's life.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a road bridge construction is dust protected heat abstractor that takes a breath for monitored control system, includes main apron (1) and camera, its characterized in that: the main cover plate is arranged above a camera, the two sides of the main cover plate (1) are provided with main side plates (2), the bottom of the main cover plate (1) is fixedly connected with a first channel top plate (3), the two sides of the first channel top plate (3) are provided with first channel side plates (4), one side of the first channel top plate (3) is provided with a first sealing plate (5), one side of the first sealing plate (5) close to the first channel top plate (3) is fixedly connected with a support plate (6), one side of the support plate (6) far away from the first sealing plate (5) is fixedly connected with a first clamping plate (7), the bottom of the support plate (6) is fixedly connected with a first filter screen (8), the two sides of the support plate (6) are fixedly connected with radiating fans (9), the two sides of the first channel side plates (4) are provided with first clamping blocks (10), one side of the first clamping blocks (10) far away from the first channel side plates (4) is provided with first spring rods (11), one side of the first channel top plate (3) far away from the first sealing blocks (12) is fixedly connected with a second channel top plate (14), the top of the first channel top plate (14) is sleeved with a second channel side plate (14), a second sealing plate (16) is fixedly connected to one side, far away from the protruding block (12), of the second channel top plate (14), a second clamping plate (17) is oppositely arranged on one side, close to the second channel top plate (14), of the second sealing plate (16), limiting plates (18) are arranged on two sides of the second sealing plate (16), a sliding groove (19) is formed in the top of each limiting plate (18), a sliding block (20) is inserted into the sliding groove (19), a second clamping block (21) is fixedly connected to the bottom of the sliding block (20), second spring rods (22) are arranged on two sides, far away from the second sealing plate (16), of the second clamping block (21), and a second filtering net (23) is arranged inside the second sealing plate (16) and the second clamping plate (17); after the cooling fan works through the arrangement of the first channel top plate and the first channel side plate, air flows into the second channel top plate and the second channel side plate through the first channel top plate and the first channel side plate after entering the first sealing plate and the first clamping plate, the first channel top plate is arranged at the top of the first channel side plate, the top of the camera, the first channel top plate and the first channel side plate form a sealed space, the air in the first channel top plate and the first channel side plate dissipates heat of the top of the camera, the first filter screen is fixed at the bottoms of the first sealing plate and the first clamping plate through the arrangement of the supporting plate, dust is prevented from entering the interior of the first sealing plate and the first clamping plate, and the first channel top plate and the first channel side plate cool the camera; the second sealing plate and the second clamping plate are arranged at the top of the camera lens, and the flowing air is sprayed on the surface of the camera lens; through being provided with second passageway roof and second passageway curb plate, let the inside air that flows of first passageway roof and first passageway curb plate accept, first passageway roof and first passageway curb plate and second passageway roof and second passageway curb plate constitute inclosed space, let the air from the inside outflow of second closing plate and second splint, the second passageway roof sets up the top at the second passageway curb plate, the bottom of second passageway curb plate is contradicted with the top of camera, when the air current flows through the second passageway curb plate, take away the heat that second passageway curb plate bottom camera gived off, dispel the heat to the camera.

2. The dust-proof type ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, wherein: main curb plate (2), first passageway curb plate (4) and second passageway curb plate (15) all set up to two sets ofly, two sets of main curb plate (2) inside be provided with first passageway curb plate (4), two sets of first passageway curb plate (4) inside be provided with second passageway curb plate (15), two sets of the surveillance camera head width that main curb plate (2) interval is greater than, two sets of first passageway curb plate (4) interval be less than the camera head width, the height of first passageway curb plate (4) and second passageway curb plate (15) is the same, the bottom of first passageway curb plate (4) and the bottom of second passageway curb plate (15) set up to contact with the top surface of camera.

3. The dust-proof ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, characterized in that: the height of the first sealing plate (5), the height of the first clamping block (10), the height of the second sealing plate (16) and the height of the limiting plate (18) are the same, after the second clamping block (21) is inserted into the sliding groove (19) through the sliding block (20), the bottom surface of the second clamping block (21) is flush with the bottom surface of the first sealing plate (5).

4. The dust-proof type ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, wherein: radiator fan (9) set up to two sets ofly, two sets of radiator fan (9) even setting in the inside of first closing plate (5) and first splint (7), radiator fan (9) set up the top at first filter screen (8), the top of first splint (7) sets up to flush mutually with the bottom of first passageway curb plate (4).

5. The dust-proof type ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, wherein: the first clamping block (10) and the first spring rod (11) are arranged into two groups, the first clamping block (10) and the first spring rod (11) are uniformly arranged on the left side and the right side of the first channel side plate (4), the first clamping block (10) is in elastic connection with the main side plate (2) through the first spring rod (11), a bayonet is arranged on one side of the first clamping block (10), and the bayonet is matched with the width of a common camera.

6. The dust-proof type ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, wherein: the top of lug (12) is provided with the draw-in groove, one side that second passageway roof (14) are close to lug (12) is provided with the bayonet socket with the draw-in groove looks adaptation of lug (12), second passageway roof (14) and lug (12) constitute sliding connection, the one end fixed connection of spring telescopic link (13) in lug (12), other end fixed connection in second splint (17), first passageway roof (3) and second passageway roof (14) constitute elastic sliding connection through spring telescopic link (13).

7. The dust-proof type ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, wherein: the top of second splint (17) flushes with the bottom of second passageway curb plate (15), the bottom of second splint (17) flushes with the bottom of second closing plate (16), second filter screen (23) set up the bottom at second closing plate (16) and second splint (17).

8. The dust-proof ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, characterized in that: limiting plate (18), spout (19) and slider (20) set up to two sets ofly, two sets ofly limiting plate (18) and spout (19) set up and keep away from the both sides of second splint (17) with second passageway curb plate (15), spout (19) inside is provided with the spout with slider (20) looks adaptation, second fixture block (21) constitute sliding connection through spout (19) and limiting plate (18).

9. The dust-proof type ventilation and heat dissipation device for the road and bridge construction monitoring system according to claim 1, wherein: second fixture block (21) and second spring beam (22) set up to two sets ofly, be provided with second spring beam (22) between second fixture block (21) and limiting plate (18), second fixture block (21) constitutes elastic connection through second spring beam (22) and limiting plate (18), one side of second fixture block (21) is provided with the bayonet socket, and bayonet socket and general camera width looks adaptation.