CN113242402A - High-altitude parabolic monitoring system equipment for building and defense deploying method thereof - Google Patents
High-altitude parabolic monitoring system equipment for building and defense deploying method thereof Download PDFInfo
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- CN113242402A CN113242402A CN202110343989.6A CN202110343989A CN113242402A CN 113242402 A CN113242402 A CN 113242402A CN 202110343989 A CN202110343989 A CN 202110343989A CN 113242402 A CN113242402 A CN 113242402A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007123 defense Effects 0.000 title claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 78
- 238000009423 ventilation Methods 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 claims abstract description 32
- 238000001125 extrusion Methods 0.000 claims description 204
- 238000007790 scraping Methods 0.000 claims description 77
- 230000009471 action Effects 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- B08B1/165—
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- B08B1/32—
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
Abstract
The invention discloses building high-altitude parabolic monitoring system equipment and a defense arrangement method thereof in the field of photography monitoring, when weather does not fall rain and snow and the temperature difference between the inside and the outside is not small, an external controller is closed, a camera box is communicated by a first vent hole and a second vent hole, so that the inside airflow and the outside airflow circulate, when weather falls and snows and the temperature difference between the inside and the outside is too large, the first vent hole and the second vent hole are staggered, the inside air of the camera box stops circulating with the outside air, the outside cold air enters a cooling pipe through a third vent hole by hiding in a ventilation box, so that the temperature of the cooling pipe is reduced, and the air in the camera box is subjected to heat exchange through the cooling pipe, so that the air in the camera box is cooled, the effect of self-cooling is realized, manual operation is not needed, and auxiliary cooling by too many electronic devices is not needed, only external air flow is needed for heat exchange, so that energy is saved and emission is reduced.
Description
Technical Field
The invention discloses building high-altitude parabolic monitoring system equipment and a defense deploying method thereof in the field of photography monitoring.
Background
The safety monitoring system is an independent and complete system formed by transmitting video signals in a closed loop by using optical fibers, coaxial cables or microwaves, displaying and recording images, and can reflect a monitored object in real time, vividly and truly, not only greatly prolongs the observation distance of human eyes, but also expands the functions of the human eyes, can replace manpower to monitor for a long time under a severe environment, enables people to see all actually occurring conditions of a monitored site and record the conditions through a video recorder, meanwhile, alarm system equipment alarms illegal intrusion, generated alarm signals are input into an alarm host, and the alarm host triggers the monitoring system to record videos.
The prior art discloses some invention cases in monitoring system equipment, and chinese patent application No. cn201510009341.x discloses a monitoring camera, which includes: an image pickup unit configured to capture an image; a controller connected to the image pickup unit and configured to process an image captured by the image pickup unit; a first heat generating frame installed to contact one surface of the controller; and a second heat generating frame disposed to face the first heat generating frame and installed to contact another surface of the controller.
In the prior art, when a monitoring camera works, heat can be generated due to internal work, so that the internal temperature is higher than the external temperature, the lens is fogged, the shooting is not clear, and particularly, when the temperature difference between the inside and the outside is too large due to rain and snow, the fogging phenomenon is more serious.
Based on the method, the invention designs building high-altitude parabolic monitoring system equipment and a defense deploying method thereof.
Disclosure of Invention
The invention aims to provide building high-altitude parabolic monitoring system equipment to solve the problems that in the prior art, when a monitoring camera works, heat is generated due to internal work, the internal temperature is higher than the external temperature, the lens is fogged, the shooting is not clear, and the fogging phenomenon is more serious when the temperature difference between the inside and the outside is too large due to the fact that rain and snow actually fall.
In order to achieve the purpose, the invention provides the following technical scheme: a building high-altitude parabolic monitoring system device comprises a camera box, wherein camera lenses are fixedly connected to the front end of the camera box, a box cover is fixedly connected to the top end of the camera box, first vent holes distributed in an array mode are formed in the left side and the right side of the camera box, trapezoidal slideways are symmetrically and fixedly connected to the left side and the right side of the camera box, a vent plate is connected to the two trapezoidal slideways in a sliding mode, a second vent hole communicated with the first vent hole is formed in the outer side of the vent plate, a reset mechanism is arranged at the right end of the vent plate, air exchange boxes distributed in an array mode are fixedly connected to the two trapezoidal slideways, the left end of each air exchange box is tightly attached to the vent plate, a cooling pipe is fixedly connected to each air exchange box, the cooling pipes penetrate through the outer side wall of the camera box and then are fixedly connected to the inner wall of, the surface of the ventilation box is sealed with a sealing cover, a plurality of sealing covers are fixedly connected with an L-shaped connecting rod, one end of the L-shaped connecting rod, which is far away from the sealing cover, is fixedly connected to the outer side of the ventilation plate, the front end of the ventilation plate is fixedly connected with a first extrusion plate, the top end of the first extrusion plate is provided with a second extrusion plate matched with the first extrusion plate, the top end of the second extrusion plate is fixedly connected with a first connecting rod, the first connecting rod is connected to the outer side wall of the photographic box in a sliding manner, the surface of the first connecting rod is sleeved with a first return spring, two ends of the first return spring are respectively and fixedly connected to the second extrusion plate and the outer side wall of the photographic box, the top end of the first connecting rod is fixedly connected with a third extrusion plate, the top end of the third extrusion plate is provided with a fourth extrusion plate matched with the third extrusion, the rear end of the connecting plate is fixedly connected with an air cylinder, the air cylinder is fixedly connected to the top end of the photographic box, and the top end of the connecting plate is provided with a scraping mechanism;
when the monitoring camera works, in the prior art, the monitoring camera can generate heat due to internal work, so that the internal temperature is higher than the external temperature, the lens is fogged to cause that the shooting is unclear, particularly, the fogging phenomenon is more serious when the temperature difference between the inside and the outside is too large due to rain and snow falling, the cylinder is controlled by the external controller, the external controller is closed when the weather does not fall and the temperature difference between the inside and the outside is not large, the photographic box is communicated with the first vent hole and the second vent hole to enable the internal airflow and the external airflow to circulate and automatically dissipate heat to achieve the cooling effect, the external controller is started when the weather falls and the snow falls and the temperature difference between the inside and the outside is too large, the cylinder is pushed forwards, the connecting plate drives the fourth extrusion plates on the left side and the right side to be pushed forwards, and the third extrusion plate moves downwards under the extrusion action of the fourth extrusion plates, the second extrusion plate moves downwards through the first connecting rod, the first reset spring is compressed, under the extrusion action of the second extrusion plate, the first extrusion plate and the vent plate move backwards simultaneously, the reset mechanism is opened to enable the first vent hole and the second vent hole to be staggered, air inside the photographic box stops circulating with outside air, heat dissipation is carried out, rain and snow are prevented from entering the photographic box through the first vent hole and the second vent hole, therefore, the mechanism inside the photographic box cannot be polluted and damaged by rain and snow, when the vent plate moves backwards, the sealing cover moves backwards under the action of the L-shaped connecting rod, the ventilation box is opened and hidden in a cooling pipe of the ventilation box, outside cold air enters the cooling pipe through the third vent hole, the temperature of the cooling pipe is reduced, heat exchange is carried out on the air inside the photographic box through the cooling pipe, and therefore, the temperature of the air inside the photographic box is reduced, the automatic cooling device has the advantages that the automatic cooling device can still exchange with the outside air under the sealed condition of the whole photographic box, the automatic cooling effect is realized, when rain and snow stop, the peripheral controller is closed, the connecting plate is pulled by the air cylinder to move backwards, the third extrusion plate loses the extrusion effect of the fourth extrusion plate, the third extrusion plate resets under the effect of the first reset spring, the second extrusion plate moves upwards to be separated from the extrusion effect on the first extrusion plate, the vent plate and the sealing cover simultaneously reset under the effect of the reset mechanism, the ventilation box is sealed again by the sealing cover, the first vent hole and the second vent hole are communicated again, the internal air flow and the outside air flow are communicated, the automatic cooling effect is realized, the whole process is simple to operate, manual operation is not needed, auxiliary cooling by too much electronic equipment is not needed, and heat exchange is only needed by the outside air flow, energy saving and emission reduction, solved the surveillance camera machine during operation, because inside acting can produce the heat, make inside temperature be higher than ambient temperature, make the lens fog and cause to shoot unclear, especially really fall sleet, cause inside and outside difference in temperature when too big, the more serious problem of fog phenomenon.
As a further scheme of the invention, the scraping mechanism comprises an L-shaped extrusion block and a rotating rod, the bottom end of the L-shaped extrusion block is fixedly connected to the top end of the connecting plate, the bottom end of the L-shaped extrusion block is provided with a first extrusion block matched with the L-shaped extrusion block, the bottom end of the first extrusion block is fixedly connected with a second connecting rod, the second connecting rod penetrates through the top end of the photographic box and is in sliding connection with the top end of the photographic box, the surface of the second connecting rod is sleeved with a second return spring, two ends of the second return spring are respectively fixedly connected with the first extrusion block and the photographic box, the bottom end of the second connecting rod is fixedly connected with a second extrusion block, the bottom end of the second extrusion block is provided with a third extrusion block matched with the second extrusion block, the inner side wall of the photographic box is provided with a movable groove at the positions of the second extrusion block and the third extrusion block, and the left end of the third extrusion block is fixedly connected with a driving rack, the top end of the driving rack is fixedly connected with a fixed block, the top end of the fixed block is transversely connected with a third connecting rod in a sliding manner, the third connecting rod is fixedly connected in a moving groove at the top end of the photographic box, the surface of the third connecting rod is sleeved with a third reset spring, two ends of the third reset spring are respectively fixedly connected with the fixed block and the inner side wall of the photographic box, the bottom end of the driving rack is meshed with a first driving gear, a gear shaft of the first driving gear is fixedly connected on the inner side wall of the photographic box, the bottom of the first driving gear is meshed with a second driving gear, the second driving gear is fixedly connected with a rotating rod, the rotating rod is rotatably connected on the inner side wall of the photographic box, and the surface of the rotating rod is fixedly connected with a multi-stage scraping key;
when the camera monitoring system works, as the camera monitoring system is often communicated with the outside air, the camera lens is easily contaminated by dust to cover the camera lens, so that the camera lens is blurred and unclear, the scraping mechanism is arranged, when the cylinder drives the connecting plate to move forwards, the L-shaped extrusion block moves forwards, the first extrusion block drives the second connecting rod to move downwards by extruding the first extrusion block, the second reset spring is compressed, the second extrusion block moves downwards by the second connecting rod and extrudes the third extrusion block, the driving rack moves leftwards, the third reset spring is compressed, the movable groove leaves a movable space for the second extrusion block and the third extrusion block, the first driving gear rotates under the meshing action of the driving rack and the first driving gear, the second driving gear rotates under the meshing action of the first driving gear and the second driving gear, the rotating rod is rotated to drive the multistage scraping key to rotate, the multistage scraping key scrapes on the photographic lens to clean the surface of the photographic lens and dust, the cleanness of the surface of the photographic lens is maintained, photographic imaging is clearer, when the cylinder drives the connecting plate to move backwards, the L-shaped extrusion block moves backwards and breaks away from the extrusion of the first extrusion block, the first extrusion block and the second connecting rod move upwards under the action of the second reset spring, the second extrusion block moves upwards and breaks away from the extrusion of the third extrusion block, the rack is driven to reset under the action of the third reset spring, the multistage scraping key is reset to prepare for next cleaning, the radius of the first driving gear is larger than that of the second driving gear, the multistage scraping key is ensured to scrape each position of the photographic lens, complete cleaning is ensured, and when the camera monitoring system works, because the camera lens is often communicated with the outside air, the camera lens is easily polluted by dust, and the camera lens is covered, so that the problem of blurred and unclear photography is caused.
As a further scheme of the invention, the multistage scraping key comprises a first scraping rod, a first telescopic spring is fixedly connected to the inner side wall of a cavity of the first scraping rod, one end, far away from the first scraping rod, of the first telescopic spring is fixedly connected with a second scraping rod, a second telescopic spring is fixedly connected to the inner side wall of a cavity of the second scraping rod, and one end, far away from the second scraping rod, of the second telescopic spring is fixedly connected with a third scraping rod; during operation, when the multistage key of scraping is rotatory, the pole rate is scraped to the third and touch the camera chamber inner wall earlier, the pole shrink is scraped to the second to the third and moves the pole inside cavity, the second expanding spring is compressed, when the pole touch is scraped to the camera chamber inner wall when the second, the pole shrink is scraped to the first pole inside cavity of scraping to the second, first expanding spring is compressed, when the multistage key of scraping resets, under the effect of first expanding spring and second expanding spring, the pole is scraped to the second and the third is scraped and is reset in proper order, guarantee in limited space, the multistage key of scraping can not be interfered under the circumstances, the multistage key of scraping still can the biggest space with photographic lens sanitization, can not leave the washing dead angle, make the photographic lens clean and tidy, guarantee photographic imaging's definition.
As a further scheme of the invention, the surfaces of the first scraper rod, the second scraper rod and the third scraper rod are fixedly connected with cleaning cotton, and the cleaning surfaces are tightly attached to photographic lenses; the during operation is through wasing the cotton, scrapes the key rotation at multistage and scrapes the time of moving photographic lens, washs the cotton and can wash photographic lens, guarantees the clean and tidy of photographic lens, guarantees the definition of photographic formation of image, and the staff only needs regularly to change and washs the cotton, guarantees to wash cotton clean and tidy, improves the cleaning performance.
As a further scheme of the invention, the reset mechanism comprises slide bars, the slide bars are distributed in an array and are slidably connected to the rear end of the vent plate, the two slide bars are fixedly connected with a support plate together, the support plate is fixedly connected to the outer side wall of the photographic box, the surface of each slide bar is sleeved with a fourth reset spring, and two ends of each fourth reset spring are respectively and fixedly connected with the vent plate and the support plate; the during operation, under the extrusion of second stripper plate to first stripper plate, when the air vent plate moved backward, fourth reset spring was compressed, breaks away from the extrusion to first stripper plate as the second stripper plate, and under the effect of fourth reset spring, the air vent plate resets, and first air vent and second air vent UNICOM again make the circulation of inside air current and external air current, independently dispel the heat, reach the cooling effect.
As a further scheme of the invention, the top ends of the cooling pipes are provided with filtering holes, and the bottom ends of the cooling pipes are provided with drain holes; during operation, when rain and snow fall, the rain and snow can enter the cooling pipe through the filter holes, the cooling of the cooling pipe is accelerated, then the rainwater can flow out through the drain holes, and the filter holes can prevent sundries from falling into the cooling pipe, so that the cooling pipe is blocked, and the cooling effect is reduced.
A method for deploying a building high-altitude parabolic monitoring system comprises the following specific steps:
the method comprises the following steps: the air cylinder is controlled by the external controller, when weather does not fall and snow, and the temperature difference between the inside and the outside is not large, the external controller is closed, and the photographic box is communicated with the second vent hole by virtue of the first vent hole, so that the internal air flow and the external air flow are communicated;
step two: when weather falls, snows and causes the temperature difference between the inside and the outside to be overlarge, the external controller is started to enable the cylinder to push forwards, the connecting plate drives the fourth extrusion plates on the left side and the right side, meanwhile, the fourth extrusion plates push forwards, the third extrusion plates move downwards under the extrusion action of the fourth extrusion plates, the second extrusion plates move downwards through the first connecting rod, the first return spring is compressed, the first extrusion plates and the vent plates move backwards simultaneously under the extrusion action of the second extrusion plates, the return mechanism is started to enable the first vent holes and the second vent holes to be staggered, and the air inside the photographic box stops circulating with the outside air;
step three: when the ventilation plate moves backwards, the sealing cover moves backwards under the action of the L-shaped connecting rod, the ventilation box is opened and hidden in the cooling pipe of the ventilation box, external cold air enters the cooling pipe through the third ventilation hole, the temperature of the cooling pipe is reduced, and heat exchange is carried out on the air in the photographic box through the cooling pipe;
step four: when stopping with sleet, close peripheral controller, the cylinder pulling connecting plate moves backward, the third stripper plate loses the extrusion of fourth stripper plate, and under first reset spring's effect, the third stripper plate resets, second stripper plate upward movement breaks away from the extrusion to first stripper plate, under canceling release mechanical system's effect, first stripper plate, breather plate and sealed lid reset simultaneously, the scavenging box is sealed once more by sealed lid, first air vent and second air vent UNICOM again, make the circulation of inside air current and external air current.
Compared with the prior art, the invention has the beneficial effects that:
1. the monitoring equipment in the invention closes the external controller when weather does not fall and snow and the temperature difference between the inside and the outside is not small, the camera box is communicated with the second vent hole by virtue of the first vent hole and the second vent hole, so that the circulation of the internal airflow and the external airflow is realized, the heat is automatically dissipated, the temperature reduction effect is achieved, when weather falls and snows and the temperature difference between the inside and the outside is overlarge, the first vent hole and the second vent hole are staggered, the air inside the camera box stops circulating with the external air, the heat is dissipated, the external cold air enters the cooling pipe through the third vent hole by virtue of the cooling pipe hidden in the ventilation box, the temperature of the cooling pipe is reduced, and the air inside the camera box is subjected to heat exchange by virtue of the cooling pipe, so that the air inside the camera box is cooled, the exchange with the external air is still ensured under the condition that the whole camera box is sealed, and the effect of the automatic cooling is achieved, the whole process is simple to operate, manual operation is not needed, auxiliary cooling is not needed through too many electronic devices, heat exchange is only needed through external air flow, and energy conservation and emission reduction are achieved.
2. According to the monitoring device, the scraping mechanism is arranged, when the cylinder drives the connecting plate to move forwards, the L-shaped extrusion block moves forwards, the first extrusion block drives the second connecting rod to move downwards by extruding the first extrusion block, the second return spring is compressed, the second extrusion block moves downwards by the second connecting rod and extrudes the third extrusion block, the driving rack moves leftwards, the third return spring is compressed, the first driving gear rotates under the meshing action of the driving rack and the first driving gear, the second driving gear rotates under the meshing action of the first driving gear and the second driving gear, the rotating rod rotates, the multi-stage scraping key scrapes on the photographic lens, the surface of the photographic lens and dust are cleaned, the surface of the photographic lens is kept clean, and photographic imaging is clearer.
3. According to the monitoring device, the multistage scraping keys are arranged, when the multistage scraping keys rotate, the third scraping rod firstly touches the inner wall of the camera box, the third scraping rod contracts into the inner cavity of the second scraping rod, the second telescopic spring is compressed, when the second scraping rod touches the inner wall of the camera box, the second scraping rod contracts into the inner cavity of the first scraping rod, the first telescopic spring is compressed, when the multistage scraping keys reset, the second scraping rod and the third scraping rod are sequentially reset under the action of the first telescopic spring and the second telescopic spring, the fact that the multistage scraping keys can still clean the photographic lens in the largest space under the condition that the multistage scraping keys cannot be interfered in a limited space is guaranteed, no cleaning dead angle is left, the photographic lens is clean and tidy, and the definition of photographic imaging is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the method of the present invention
FIG. 2 is a schematic diagram of the overall structure of the monitoring device of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a sectional view showing the overall structure of the monitoring device of the present invention;
FIG. 5 is an enlarged view of FIG. 4 at B;
FIG. 6 is a side view of a monitoring device of the present invention;
FIG. 7 is a first cross-sectional view of a monitoring device of the present invention;
FIG. 8 is a second cross-sectional view of the monitoring device of the present invention;
FIG. 9 is a diagram showing the connection of the trapezoidal slide, the vent plate, the second vent hole, the ventilation box, the cooling pipe and the third vent hole in the monitoring device of the present invention;
FIG. 10 is a diagram of a multi-stage wiper key connection in a monitoring device of the present invention;
FIG. 11 is a cross-sectional view of a multi-level scraping key in a monitoring device of the present invention;
fig. 12 is a view showing the connection of the scraping mechanism in the monitoring apparatus of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
a camera box 1, a camera lens 2, a box cover 3, a first vent hole 4, a trapezoidal slideway 5, a vent plate 6, a second vent hole 7, a ventilation box 8, a cooling pipe 9, a third vent hole 10, a sealing cover 11, an L-shaped connecting rod 12, a first extrusion plate 13, a second extrusion plate 14, a first connecting rod 15, a first return spring 16, a third extrusion plate 17, a fourth extrusion plate 18, a connecting plate 19, a cylinder 20, an L-shaped extrusion block 21, a rotating rod 22, a first extrusion block 23, a second connecting rod 24, a second return spring 25, a second extrusion block 26, a third extrusion block 27, a movable groove 28, a driving rack 29, a fixed block 30, a third connecting rod 31, a third return spring 32, a first driving gear 33, a second driving gear 34, a first scraping rod 35, a first telescopic spring 36, a second scraping rod 37, a second telescopic spring 38, a third scraping rod 39, cleaning cotton 40, a sliding rod 41, a cleaning cotton, A support plate 42, a fourth return spring 43, a filter hole 44, and a drain hole 45.
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. 1-12, the present invention provides a technical solution: a building high-altitude parabolic monitoring system device comprises a camera box 1, wherein the front end of the camera box 1 is fixedly connected with a camera lens 2, the top end of the camera box 1 is fixedly connected with a box cover 3, the left side and the right side of the camera box 1 are respectively provided with a first vent hole 4 distributed in an array manner, the left side and the right side of the camera box 1 are symmetrically and fixedly connected with trapezoidal slideways 5, the two trapezoidal slideways 5 are respectively and jointly and slidably connected with a vent plate 6, the outer side of the vent plate 6 is provided with a second vent hole 7 communicated with the first vent hole 4, the right end of the vent plate 6 is provided with a reset mechanism, the two trapezoidal slideways 5 are respectively and fixedly connected with air-exchanging boxes 8 distributed in an array manner, the left end of each air-exchanging box 8 is tightly attached to the vent plate 6, each air-exchanging box 8 is respectively and fixedly connected with a cooling pipe 9, the cooling pipe 9 penetrates through the outer side wall of the camera box 1 and is fixedly connected with the inner wall of the camera box 1, the surface of each cooling pipe 9 is provided with a third vent hole 10 distributed in an array manner, the surface of the ventilation box 8 is sealed with a sealing cover 11, a plurality of sealing covers 11 are fixedly connected with an L-shaped connecting rod 12, one end of the L-shaped connecting rod 12 far away from the sealing cover 11 is fixedly connected with the outer side of the ventilation plate 6, the front end of the ventilation plate 6 is fixedly connected with a first extrusion plate 13, the top end of the first extrusion plate 13 is provided with a second extrusion plate 14 matched with the first extrusion plate 13, the top end of the second extrusion plate 14 is fixedly connected with a first connecting rod 15, the first connecting rod 15 is connected with the outer side wall of the photographic box 1 in a sliding way, the surface of the first connecting rod 15 is sleeved with a first return spring 16, two ends of the first return spring 16 are respectively and fixedly connected with the second extrusion plate 14 and the outer side wall of the photographic box 1, the top end of the first connecting rod 15 is fixedly connected with a third extrusion plate 17, the top end of the third extrusion plate 17 is provided with a fourth extrusion plate 18 matched with the third extrusion plate 17, two fourth extrusion plates 18 are fixedly connected with a connecting plate 19, the rear end of the connecting plate 19 is fixedly connected with an air cylinder 20, the air cylinder 20 is fixedly connected to the top end of the camera box 1, and the top end of the connecting plate 19 is provided with a scraping mechanism;
when the monitoring camera works, in the prior art, the monitoring camera can generate heat due to internal work, so that the internal temperature is higher than the external temperature, the lens is fogged to cause unclear shooting, particularly, the fogging phenomenon is more serious when the temperature difference between the inside and the outside is too large due to rain and snow falling, the air cylinder 20 is controlled by the external controller, the external controller is closed when the weather does not fall and the temperature difference between the inside and the outside is not large, the photographic box 1 is communicated by the first vent hole 4 and the second vent hole 7 to enable the circulation of the internal airflow and the external airflow to dissipate heat autonomously to achieve the cooling effect, and the external controller is started when the weather falls and the temperature difference between the inside and the outside is too large, so that the air cylinder 20 is pushed forwards, the connecting plate 19 drives the fourth extrusion plates 18 on the left side and the right side to be pushed forwards simultaneously, and the third extrusion plate 17 moves downwards under the extrusion action of the fourth extrusion plates 18, the second extrusion plate 14 moves downwards through the first connecting rod 15, the first return spring 16 is compressed, under the extrusion action of the second extrusion plate 14, the first extrusion plate 13 and the vent plate 6 move backwards simultaneously, the return mechanism is opened, the first vent hole 4 and the second vent hole 7 are dislocated, the air inside the photographic box 1 stops circulating with the outside air, heat dissipation is carried out, rain and snow are prevented from entering the photographic box 1 through the first vent hole 4 and the second vent hole 7, so that the mechanism inside the photographic box 1 cannot be polluted and damaged by rain and snow, when the vent plate 6 moves backwards, under the action of the L-shaped connecting rod 12, the sealing cover 11 moves backwards, the ventilation box 8 is opened, the cooling pipe 9 hidden in the ventilation box 8 is hidden, outside cold air enters the cooling pipe 9 through the third vent hole 10, the temperature of the cooling pipe 9 is reduced, and the air inside the photographic box 1 is subjected to heat exchange through the cooling pipe 9, thereby realizing the cooling of the air in the photographic box 1, ensuring that the photographic box 1 can still exchange with the outside air under the whole sealed condition, realizing the effect of self-cooling, when the rain and snow stops, the peripheral controller is closed, the cylinder 20 pulls the connecting plate 19 to move backwards, the third extrusion plate 17 loses the extrusion action of the fourth extrusion plate 18, and under the action of the first reset spring 16, the third extrusion plate 17 resets, the second extrusion plate 14 moves upwards to separate from the extrusion action of the first extrusion plate 13, under the action of the reset mechanism, the first extrusion plate 13, the vent plate 6 and the sealing cover 11 reset simultaneously, the ventilation box 8 is sealed again by the sealing cover 11, the first vent hole 4 and the second vent hole 7 are communicated again, so that the inside air flow and the outside air flow are circulated, the self-cooling effect is achieved, and the whole process is simple to operate, need not manual operation, also need not too much electronic equipment and assist the cooling, only need carry out the heat exchange through the external air current, energy saving and emission reduction has solved surveillance camera machine at the during operation, because inside acting can produce the heat, makes inside temperature be higher than ambient temperature, makes the lens fog cause to shoot unclear, especially really falls sleet, causes inside and outside difference in temperature when too big, the more serious problem of fog phenomenon.
As a further scheme of the invention, the scraping mechanism comprises an L-shaped extrusion block 21 and a rotating rod 22, the bottom end of the L-shaped extrusion block 21 is fixedly connected to the top end of a connecting plate 19, the bottom end of the L-shaped extrusion block 21 is provided with a first extrusion block 23 matched with the L-shaped extrusion block 21, the bottom end of the first extrusion block 23 is fixedly connected with a second connecting rod 24, the second connecting rod 24 penetrates through the top end of the photographic box 1 and is in sliding connection with the top end of the photographic box 1, the surface of the second connecting rod 24 is sleeved with a second return spring 25, two ends of the second return spring 25 are respectively fixedly connected with the first extrusion block 23 and the photographic box 1, the bottom end of the second connecting rod 24 is fixedly connected with a second extrusion block 26, the bottom end of the second extrusion block 26 is provided with a third extrusion block 27 matched with the second extrusion block 26, the photographic box 1 is provided with a movable groove 28 at the positions of the second extrusion block 26 and the third extrusion block 27 on the inner side wall, the left end of the third extrusion block 27 is fixedly connected with a driving rack 29, the top end of the driving rack 29 is fixedly connected with a fixed block 30, the top end of the fixed block 30 is transversely connected with a third connecting rod 31 in a sliding manner, the third connecting rod 31 is fixedly connected in a moving groove at the top end of the photographic box 1, the surface of the third connecting rod 31 is sleeved with a third return spring 32, two ends of the third return spring 32 are respectively fixedly connected with the fixed block 30 and the inner side wall of the photographic box 1, the bottom end of the driving rack 29 is meshed with a first driving gear 33, a gear shaft of the first driving gear 33 is fixedly connected on the inner side wall of the photographic box 1, the bottom of the first driving gear 33 is meshed with a second driving gear 34, the second driving gear 34 is fixedly connected on a rotating rod 22, the rotating rod 22 is rotatably connected on the inner side wall of the photographic box 1, and the surface of the rotating rod 22 is fixedly connected with a multi-stage scraping key;
when the camera monitoring system works, as the camera monitoring system is often communicated with the outside air, the camera lens is easily polluted by dust, the camera lens is covered, the camera lens is blurred and unclear, through the arrangement of the scraping mechanism, when the cylinder 20 drives the connecting plate 19 to move forwards, the L-shaped extrusion block 21 moves forwards, the first extrusion block 23 drives the second connecting rod 24 to move downwards through extruding the first extrusion block 23, the second return spring 25 is compressed, the second extrusion block 26 moves downwards through the second connecting rod 24 and extrudes the third extrusion block 27, the driving rack 29 moves leftwards, the third return spring 32 is compressed, the movable groove 28 leaves a movable space for the second extrusion block 26 and the third extrusion block 27, under the meshing action of the driving rack 29 and the first driving gear 33, the first driving gear 33 rotates, under the meshing action of the first driving gear 33 and the second driving gear 34, the second driving gear 34 rotates to rotate the rotating rod 22 and drive the multi-stage scraping key to rotate, the multi-stage scraping key scrapes on the photographic lens 2 to clean the surface and dust of the photographic lens 2 and maintain the cleanness of the surface of the photographic lens 2, so that the photographic image is clearer, when the cylinder 20 drives the connecting plate 19 to move backwards, the L-shaped extrusion block 21 moves backwards and breaks away from the extrusion of the first extrusion block 23, under the action of the second return spring 25, the first extrusion block 23 and the second connecting rod 24 move upwards, the second extrusion block 26 moves upwards and breaks away from the extrusion of the third extrusion block 27, under the action of the third return spring 32, the rack 29 is driven to reset, so that the multi-stage scraping key is reset to prepare for the next cleaning, and the radius of the first driving gear 33 is larger than that of the second driving gear 34, so as to ensure that the multi-stage scraping key can move each position of the photographic lens 2, can both scrape, guarantee to wash completely, solve when camera monitoring system carries out the work, because often exchange with the outside air, the lens of making a video recording is infected with the dust easily, covers photographic lens, leads to the blurred unclear problem of shooting.
As a further scheme of the present invention, the multi-stage scraping key includes a first scraping rod 35, a first extension spring 36 is fixedly connected to the inner side wall of the cavity of the first scraping rod 35, one end of the first extension spring 36 away from the first scraping rod 35 is fixedly connected with a second scraping rod 37, the inner side wall of the cavity of the second scraping rod 37 is fixedly connected with a second extension spring 38, and one end of the second extension spring 38 away from the second scraping rod 37 is fixedly connected with a third scraping rod 39; in operation, when the multistage scraping key is rotated, the third scraping rod 39 touches the inner wall of the camera case 1 first, the third scraping rod 39 contracts into the inner cavity of the second scraping rod 37, the second expansion spring 38 is compressed, when the second scraping rod 37 touches the inner wall of the camera case 1, the second scraping rod 37 contracts into the inner cavity of the first scraping rod 35, the first expansion spring 36 is compressed, when the multistage scraping key is reset, under the action of the first expansion spring 36 and the second expansion spring 38, the second scraping rod 37 and the third scraping rod 39 are reset in sequence, it is ensured that in a limited space, the multistage scraping key cannot be interfered, the multistage scraping key can still clean the photographic lens 2 in the maximum space, no dead angle is left for cleaning, the photographic lens 2 is clean and tidy, and the definition of photographic imaging is ensured.
As a further scheme of the present invention, the surfaces of the first scraper bar 35, the second scraper bar 37 and the third scraper bar 39 are all fixedly connected with cleaning cotton 40, and the cleaning surfaces are close to the photographic lens 2; the during operation is through wasing cotton 40, scrapes the key rotation at multistage and scrapes photographic lens 2 when moving, washs cotton 40 and can wash photographic lens 2, guarantees photographic lens 2 clean and tidy, guarantees photographic imaging's definition, and the staff only needs the regular change to wash cotton 40, guarantees to wash cotton 40 clean and tidy, improves the cleaning performance.
As a further scheme of the present invention, the reset mechanism includes slide bars 41, the slide bars 41 are distributed in an array and slidably connected to the rear end of the air-permeable plate 6, two slide bars 41 are fixedly connected to a support plate 42 together, the support plate 42 is fixedly connected to the outer side wall of the camera box 1, the surface of the slide bar 41 is sleeved with a fourth reset spring 43, and two ends of the fourth reset spring 43 are fixedly connected to the air-permeable plate 6 and the support plate 42 respectively; the during operation, under the extrusion of second stripper plate 14 to first stripper plate 13, when breather plate 6 moved backward, fourth reset spring 43 was compressed, breaks away from the extrusion to first stripper plate 13 when second stripper plate 14, and under fourth reset spring 43 effect, breather plate 6 resets, and first air vent 4 and the 7 reconmunications of second air vent make the circulation of inside air current and external air current, independently dispel the heat, reach the cooling effect.
As a further scheme of the invention, the top ends of the cooling pipes 9 are provided with filtering holes 44, and the bottom ends of the cooling pipes 9 are provided with drain holes 45; during operation, when sleet, sleet can get into in cooling tube 9 through filtering hole 44, cooling of cooling tube 9 with higher speed, and the rainwater can flow through wash port 45 afterwards, filters hole 44 and for preventing that debris from falling into cooling tube 9 in, causes cooling tube 9 to block up, reduces the cooling effect.
A method for deploying a building high-altitude parabolic monitoring system comprises the following specific steps:
the method comprises the following steps: firstly, the cylinder 20 is controlled by the external controller, when weather does not fall and snow, and the temperature difference between the inside and the outside is not large, the external controller is closed, and the photographic box 1 is communicated by the first vent hole 4 and the second vent hole 7, so that the internal airflow and the external airflow are communicated;
step two: when the weather falls, the snow falls and the temperature difference between the inside and the outside is too large, the external controller is started, the air cylinder 20 is pushed forwards, the connecting plate 19 drives the fourth extrusion plates 18 on the left side and the right side, the fourth extrusion plates 18 are pushed forwards at the same time, the third extrusion plates 17 move downwards under the extrusion action of the fourth extrusion plates 18, the second extrusion plates 14 move downwards through the first connecting rods 15, the first return springs 16 are compressed, the first extrusion plates 13 and the vent plates 6 move backwards at the same time under the extrusion action of the second extrusion plates 14, the return mechanisms are opened, the first vent holes 4 and the second vent holes 7 are staggered, and the air inside the photographic box 1 stops flowing with the outside air;
step three: when the ventilation plate 6 moves backwards, the sealing cover 11 moves backwards under the action of the L-shaped connecting rod 12, the ventilation box 8 is opened and hidden in the cooling pipe 9 of the ventilation box 8, and outside cold air enters the cooling pipe 9 through the third ventilation hole 10, so that the temperature of the cooling pipe 9 is reduced, and the air in the photographic box 1 is subjected to heat exchange through the cooling pipe 9;
step four: when the rain and snow stops being used, the peripheral controller is closed, the air cylinder 20 pulls the connecting plate 19 to move backwards, the third extrusion plate 17 loses the extrusion effect of the fourth extrusion plate 18, the third extrusion plate 17 resets under the action of the first return spring 16, the second extrusion plate 14 moves upwards to separate from the extrusion effect on the first extrusion plate 13, the vent plate 6 and the sealing cover 11 reset simultaneously under the action of the resetting mechanism, the ventilation box 8 is sealed again by the sealing cover 11, and the first vent hole 4 is communicated with the second vent hole 7 again to enable the internal air flow to be communicated with the external air flow.
The working principle is as follows: the peripheral controller is closed, the photographic box 1 is communicated through the first vent hole 4 and the second vent hole 7, so that the internal airflow and the external airflow can circulate, the heat can be automatically dissipated, the cooling effect is achieved, when the weather falls and snows, and the temperature difference between the inside and the outside is overlarge, the peripheral controller is started, the air cylinder 20 is pushed forwards, the connecting plate 19 drives the fourth extrusion plates 18 on the left side and the right side, the fourth extrusion plates 18 are pushed forwards simultaneously, the third extrusion plate 17 moves downwards under the extrusion action of the fourth extrusion plates 18, the second extrusion plate 14 moves downwards through the first connecting rod 15, the first return spring 16 is compressed, under the extrusion action of the second extrusion plates 14, the first extrusion plate 13 and the vent plate 6 move backwards simultaneously, the return mechanism is started, the first vent hole 4 and the second vent hole 7 are staggered, the air inside the photographic box 1 stops circulating with the external air, the heat is dissipated, and the weather can be prevented from entering the photographic box 1 through the first vent hole 4 and the second vent hole 7, so that the mechanism in the photographic box 1 can not be damaged by rain and snow pollution, when the ventilation board 6 moves backwards, under the action of the L-shaped connecting rod 12, the sealing cover 11 moves backwards, the ventilation box 8 is opened and hidden in the cooling pipe 9 of the ventilation box 8, the outside cold air enters the cooling pipe 9 through the third vent hole 10, the temperature of the cooling pipe 9 is reduced, the air in the photographic box 1 is subjected to heat exchange through the cooling pipe 9, the air in the photographic box 1 is cooled, the whole photographic box 1 can still exchange with the outside air under the sealed condition, the effect of self-cooling is realized, when the rain and snow are stopped, the peripheral controller is closed, the air cylinder 20 pulls the connecting board 19 to move backwards, the third extrusion board 17 loses the extrusion effect of the fourth extrusion board 18, and the third extrusion board 17 resets under the action of the first return spring 16, the second extrusion plate 14 moves upwards to separate from the extrusion effect on the first extrusion plate 13, under the action of the reset mechanism, the first extrusion plate 13, the vent plate 6 and the sealing cover 11 reset simultaneously, the ventilation box 8 is sealed again by the sealing cover 11, and the first vent hole 4 and the second vent hole 7 are communicated again to enable the internal air flow and the external air flow to circulate.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a building high altitude parabolic monitored control system equipment, includes camera chamber (1), camera chamber (1) front end fixedly connected with photographic lens (2), camera chamber (1) top fixedly connected with case lid (3), its characterized in that: the camera case is characterized in that first vent holes (4) distributed in an array manner are formed in the left side and the right side of the camera case (1), trapezoidal slideways (5) are symmetrically and fixedly connected to the left side and the right side of the camera case (1), a vent plate (6) is jointly and slidably connected to the two trapezoidal slideways (5), second vent holes (7) communicated with the first vent holes (4) are formed in the outer side of the vent plate (6), a reset mechanism is arranged at the right end of the vent plate (6), air exchange cases (8) distributed in an array manner are jointly and fixedly connected to the two trapezoidal slideways (5), the left end of each air exchange case (8) is tightly attached to the vent plate (6), a cooling pipe (9) is fixedly connected to each air exchange case (8), the cooling pipes (9) penetrate through the outer side wall of the camera case (1) and are fixedly connected to the inner wall of the camera case (1), and third vent holes (10) distributed in an array manner are formed in the surface of each cooling pipe (9), the surface of the ventilation box (8) is sealed with a sealing cover (11), a plurality of sealing covers (11) are fixedly connected with an L-shaped connecting rod (12) together, one end of the L-shaped connecting rod (12) far away from the sealing cover (11) is fixedly connected to the outer side of the ventilation plate (6), the front end of the ventilation plate (6) is fixedly connected with a first extrusion plate (13), the top end of the first extrusion plate (13) is provided with a second extrusion plate (14) matched with the first extrusion plate (13), the top end of the second extrusion plate (14) is fixedly connected with a first connecting rod (15), the first connecting rod (15) is slidably connected onto the outer side wall of the photographic box (1), the surface of the first connecting rod (15) is sleeved with a first return spring (16), and two ends of the first return spring (16) are fixedly connected onto the second extrusion plate (14) and the outer side wall of the photographic box (1) respectively, first connecting rod (15) top fixedly connected with third stripper plate (17), third stripper plate (17) top has fourth stripper plate (18) with third stripper plate (17) matched with, two common fixedly connected with connecting plate (19) of fourth stripper plate (18), connecting plate (19) rear end fixedly connected with cylinder (20), cylinder (20) fixed connection is on the top of camera box (1), connecting plate (19) top is provided with scrapes the mechanism.
2. The building high altitude parabolic monitoring system apparatus as claimed in claim 1, wherein: the scraping mechanism comprises an L-shaped extrusion block (21) and a rotating rod (22), the bottom end of the L-shaped extrusion block (21) is fixedly connected to the top end of a connecting plate (19), a first extrusion block (23) matched with the L-shaped extrusion block (21) is arranged at the bottom end of the L-shaped extrusion block (21), a second connecting rod (24) is fixedly connected to the bottom end of the first extrusion block (23), the second connecting rod (24) penetrates through the top end of the photographic box (1) and is in sliding connection with the top end of the photographic box (1), a second return spring (25) is sleeved on the surface of the second connecting rod (24), two ends of the second return spring (25) are respectively and fixedly connected with the first extrusion block (23) and the photographic box (1), a second extrusion block (26) is fixedly connected to the bottom end of the second connecting rod (24), a third extrusion block (27) matched with the second extrusion block (26) is arranged at the bottom end of the second extrusion block (26), the camera box comprises a camera box body (1), a movable groove (28) is formed in the inner side wall of the camera box body (1) at the positions of a second extrusion block (26) and a third extrusion block (27), a driving rack (29) is fixedly connected to the left end of the third extrusion block (27), a fixed block (30) is fixedly connected to the top end of the driving rack (29), a third connecting rod (31) is transversely connected to the top end of the fixed block (30) in a sliding mode, the third connecting rod (31) is fixedly connected to the moving groove in the top end of the camera box body (1), a third reset spring (32) is sleeved on the surface of the third connecting rod (31), two ends of the third reset spring (32) are fixedly connected to the fixed block (30) and the inner side wall of the camera box body (1) respectively, a first driving gear (33) is meshed with the bottom end of the driving rack (29), and a gear shaft of the first driving gear (33) is fixedly connected to the inner side wall of the camera box body (1), meshing is connected with second drive gear (34) at the bottom of first drive gear (33), on second drive gear (34) fixedly connected with dwang (22), dwang (22) rotate to be connected on the inside wall of camera box (1), dwang (22) fixed surface is connected with multistage scraping key.
3. The building high altitude parabolic monitoring system apparatus as claimed in claim 2, wherein: the multistage scraping key comprises a first scraping rod (35), a first expansion spring (36) fixedly connected with the inner side wall of a cavity of the first scraping rod (35), a second expansion spring (37) fixedly connected with the inner side wall of the cavity of the first scraping rod (35) is far away from the first expansion spring (36), a second expansion spring (38) fixedly connected with the inner side wall of the cavity of the second scraping rod (37), and a third expansion spring (39) fixedly connected with the end of the second expansion spring (38) far away from the second scraping rod (37).
4. A building high altitude parabolic monitoring system apparatus as claimed in claim 3, wherein: the surfaces of the first scraper rod (35), the second scraper rod (37) and the third scraper rod (39) are fixedly connected with cleaning cotton (40), and the cleaning surface is attached to the photographic lens (2).
5. The building high altitude parabolic monitoring system apparatus as claimed in claim 1, wherein: reset mechanism includes slide bar (41), slide bar (41) are array distribution and sliding connection in the rear end of breather plate (6), two the common fixedly connected with backup pad (42) of slide bar (41), backup pad (42) fixed connection is on the lateral wall of camera shooting box (1), slide bar (41) surface has cup jointed fourth reset spring (43), the both ends of fourth reset spring (43) respectively with breather plate (6) and backup pad (42) fixed connection.
6. The building high altitude parabolic monitoring system apparatus as claimed in claim 1, wherein: the top ends of the cooling pipes (9) are provided with filtering holes (44), and the bottom ends of the cooling pipes (9) are provided with drain holes (45).
7. A method for deploying a defense of a building high-altitude parabolic monitoring system, which is suitable for the building high-altitude parabolic monitoring system device as claimed in any one of claims 1 to 6, and is characterized in that: the defense deploying method of the monitoring system comprises the following specific steps:
the method comprises the following steps: the air cylinder (20) is controlled by the external controller, when weather does not fall and snow, and the temperature difference between the inside and the outside is not large, the external controller is closed, and the photographic box (1) is communicated with the second vent hole (7) through the first vent hole (4) to enable the inside air flow to be communicated with the outside air flow;
step two: when weather falls, snows and causes the temperature difference between the inside and the outside to be overlarge, the external controller is started, the cylinder (20) is pushed forwards, the connecting plate (19) drives the fourth extrusion plates (18) on the left side and the right side to be pushed forwards at the same time, the third extrusion plate (17) moves downwards under the extrusion action of the fourth extrusion plates (18), the second extrusion plate (14) moves downwards through the first connecting rod (15), the first return spring (16) is compressed, the first extrusion plate (13) and the vent plate (6) move backwards at the same time under the extrusion action of the second extrusion plate (14), the return mechanism is opened, the first vent hole (4) and the second vent hole (7) are dislocated, and the air inside the photographic box (1) stops flowing with the outside air;
step three: when the ventilation plate (6) moves backwards, the sealing cover (11) moves backwards under the action of the L-shaped connecting rod (12), the ventilation box (8) is opened and hidden in the cooling pipe (9) of the ventilation box (8), external cold air enters the cooling pipe (9) through the third ventilation hole (10), the temperature of the cooling pipe (9) is reduced, and heat exchange is carried out on the air in the photographic box (1) through the cooling pipe (9);
step four: when the rain and snow stops being used, the peripheral controller is closed, the air cylinder (20) pulls the connecting plate (19) to move backwards, the third extrusion plate (17) loses the extrusion effect of the fourth extrusion plate (18), the third extrusion plate (17) resets under the effect of the first return spring (16), the second extrusion plate (14) moves upwards to be separated from the extrusion effect on the first extrusion plate (13), the vent plate (6) and the sealing cover (11) reset simultaneously under the effect of the resetting mechanism, the ventilation box (8) is sealed again by the sealing cover (11), and the first vent hole (4) and the second vent hole (7) are communicated again to enable the internal air flow and the external air flow to circulate.
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