Fire prevention monitoring device for workshop and use method thereof
Technical Field
The invention relates to the field of monitoring, in particular to a fire prevention monitoring device for workshop buildings and a using method thereof.
Background
The utility model realizes the monitoring purpose of people by a video system formed by a whole set of monitoring equipment such as a camera, a video recorder, a monitor, a switch, a network cable, etc., the monitoring can be almost applied to all industries, great convenience is brought to the life, work and production of people, the T-100H type hand-held live broadcast instrument integrates video acquisition, wireless network transmission, LED highlight illumination, GPS location, portable real-time image and video transmission equipment that functions such as pronunciation are as an organic whole, the product adopts domestic original 3G coding transmission technique and long-range wireless communication technique, high speed server and advanced computer that the cooperation stable performance, the platform is watched to the wireless video of smart mobile phone, the image quality is clear, the video smoothness is the construction, the road bridge construction, the decoration is decorated, outdoor construction trades such as hydraulic engineering are splendid long-range high-efficient communication and management instrument.
Some current fire prevention monitoring devices are not convenient for blow away smog, and under the unable very first time situation of stopping of condition of fire, its monitoring device visibility will descend gradually, and when the fire stretchs near monitoring device, monitoring device is not convenient for take urgent safeguard procedures and carries out the self preservation, causes loss of property easily.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a fire prevention monitoring device for workshop buildings and a using method thereof, when a fire condition spreads below a thermal infrared camera, a blow-out component is automatically triggered to blow out rising smoke, the visibility of the thermal infrared camera is guaranteed, when the blow-out component is burnt out, the fire condition spreads to the vicinity of the thermal infrared camera, an emergency protection component can be automatically triggered to carry out self-protection to carry out fully-closed protection on the thermal infrared camera, when the emergency protection component is deformed to a termination shape, the emergency protection component is fixed and limited by a fixing shell and a spring sheet, the protection effect on the thermal infrared camera is improved, the property loss is reduced, the blow-out component can blow out rising smoke on one hand, the visibility of the thermal infrared camera is improved, on the other hand, the blow-out component is matched with the emergency protection component, can accomplish emergency protection component's triggering condition according to the scope of stretching of condition of a fire, the maximize has improved hot infrared camera when the monitoring is long under the condition of a fire, hot infrared camera self also can be ensured, reduce the possibility that hot infrared camera is burnt out and is damaged, the shell fragment can lead for blowing the triggering of barrier subassembly, after emergency protection component triggers, the shell fragment will become crooked form, can fix spacingly to emergency protection component, improve the protective effect to hot infrared camera.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A fire prevention monitoring device for workshop buildings comprises a fixed shell, wherein a thermal infrared camera is fixedly connected to the inner wall of the fixed shell, a glass protective cover is fixedly connected to the lower end of the fixed shell, the thermal infrared camera is located above the glass protective cover, a hemispherical cavity is formed in the fixed shell, an emergency protection component is rotatably connected to the interior of the hemispherical cavity, an elastic sheet is fixedly connected to the lower end of the emergency protection component and is located on the outer side of the glass protective cover, a barrier blowing component is arranged on the surface of the elastic sheet, if a fire condition spreads below the thermal infrared camera, the barrier blowing component is automatically triggered to blow away rising smoke, the visibility of the thermal infrared camera is guaranteed, after the barrier blowing component is burnt out, the fire condition is meant to spread to the position near the thermal infrared camera, the emergency protection component can be automatically triggered to perform self-protection, the thermal infrared camera is protected in a totally enclosed manner, when the emergency protection component deforms to a stop state, the emergency protection component is fixed and limited through the fixing shell and the elastic sheet, the protection effect of the thermal infrared camera is improved, property loss is reduced, the barrier blowing component can blow rising smoke and improve the visibility of the thermal infrared camera on one hand, and can be matched with the emergency protection component on the other hand, the triggering condition of the emergency protection component can be completed according to the spreading range of fire, the monitoring duration of the thermal infrared camera under the fire is improved to the maximum extent, the thermal infrared camera can be guaranteed, the possibility that the thermal infrared camera is burnt and damaged is reduced, the elastic sheet can guide the triggering of the barrier blowing component, after the emergency protection component is triggered, the elastic sheet changes into a bent state and can fix and limit the emergency protection component, the protection effect to hot infrared camera is improved.
Further, blow the barrier subassembly including blowing barrier drive spheroid and steel ball, blow the lower extreme of barrier drive spheroid fixed mounting at the shell fragment, be sliding connection between steel ball and the shell fragment, the steel ball is located and blows the spheroidal top of barrier drive, the ectosphere fixedly connected with nylon cable of steel ball, the lower extreme fixedly connected with counter weight pearl of nylon cable, when the condition of a fire stretchs to the below of hot infrared camera, the nylon cable can be blown to the fire source, and the counter weight pearl will drop, and its steel ball also will drop because of gravity, and the steel ball is at the in-process that drops, because of the direction of shell fragment for the steel ball finally pounds to blowing barrier drive spheroid, thereby triggers and blows barrier drive spheroid, blows the smog that rises, improves the visibility of hot infrared camera.
Further, the obstacle blowing driving ball body comprises an elastic ball bag, an air outlet is fixedly connected to the outer surface of the elastic ball bag, an isolation wafer is fixedly connected to the inner wall of the elastic ball bag, a through hole is formed in the surface of the isolation wafer, effervescent granules are filled in the elastic ball bag and located below the isolation wafer, an elastic water storage bag is arranged in an inner cavity of the elastic ball bag and located above the isolation wafer, a glass area is arranged on the outer spherical surface of the elastic water storage bag, when the steel balls hit the elastic ball bag, the glass area can be broken, so that water solution in the elastic water storage bag is mixed with the effervescent granules, a large amount of carbon dioxide gas is generated, the elastic water storage bag expands while blowing the carbon dioxide gas out of the air outlet and blows the glass protection cover area, and smoke can be far away from the glass protection cover, the smoke and dust attached to the surface of the glass protective cover can be blown away, the visibility of the thermal infrared camera is improved, the concentration of carbon dioxide in a workshop can be improved by carbon dioxide gas blown out continuously, and the rapid spread of fire can be relieved.
Further, elasticity water storage bag is the inflation state, the lower extreme of elasticity water storage bag is laminated with the upper surface of keeping apart the disk mutually, and after glass district's breakage, elasticity water storage bag can contract rapidly, and elasticity water storage bag is extruded by water solution can be quick, improves the reaction efficiency of water solution and effervescent granule.
Furthermore, the emergency protection component comprises a hollow protection cover and a limit stop, the elastic sheet is fixedly connected at the lower end of the hollow protection cover, the inner cavity of the protection cover is fixedly connected with an air bag, the air bag is communicated with the inner cavity of the hollow protection cover, one end, far away from the elastic sheet, of the hollow protection cover is fixedly connected with a counterweight lead block, the inner cavity of the hollow protection cover is filled with ammonium chloride powder, the limit stop is fixedly connected with the inner wall of the hemispherical cavity, after the blow-out component is burnt out, the condition of fire is spread to be near the thermal infrared camera, one side of the lower end of the hollow protection cover is free from the constraint of weight along with the complete burning-out of the blow-out component, the hollow protection cover is rotated to one side through the hollow protection cover so as to cover the periphery of the glass protection cover, the hollow protection cover is in contact with the fire source, and the hollow protection cover is heated along with the fire source, the ammonium chloride powder of the inner chamber of hollow protection casing will sublimate into gas, thereby make the gasbag take place the inflation, will be linear expansion because of the gasbag, and the inner wall of hollow protection casing is the curve, make the gasbag can contact the inner wall of hollow protection casing at the in-process of inflation, thereby it is spacing to carry out the inflation of gasbag, nevertheless the gasbag still has the trend of inflation, the gasbag will promote hollow protection casing in subsequent inflation process and rotate, cover the glass protection casing completely until hollow protection casing, when emergency protective assembly deformation to when stopping the form, the inside to the hemisphere cavity will be accomodate to the shell fragment, spacing through limit stop to limit stop, make hollow protection casing be in stable state, and the effect of protection is improved.
Furthermore, be fixed connection between the extension end of gasbag and the inner wall of hollow protection casing, the surface of gasbag contacts with the inner wall of hollow protection casing for the inflation of gasbag can extend by the outer end mutually, and the gasbag of being convenient for promotes hollow protection casing and rotates.
Furthermore, the hollow protective cover is made of a glass limiting material, a heat insulation layer is arranged at one end, close to the glass protective cover, of the hollow protective cover, the glass limiting material is light, the air bag convenient to expand is pushed, and the heat insulation effect of the hollow protective cover on the glass protective cover is improved through the heat insulation layer.
Furthermore, the surface of the elastic sheet is provided with a through hole, the nylon cable penetrates through the through hole, and the through hole is in contact with the outer spherical surface of the steel ball, so that the steel ball has enough impact force to break the glass area, and the possibility that the broken glass area is not broken easily is reduced.
A use method of a fire prevention monitoring device for workshop buildings comprises the following steps:
s1, through the thermal infrared camera, even if the fire source is shielded, the peripheral temperature can be sensed through the thermal infrared camera, and the staff in the monitoring room finds out that the temperature display is abnormal, so that the staff can be informed to look over the temperature display, and the fire can be prevented from happening.
S2, if the fire spreads to the lower part of the thermal infrared camera, the barrier blowing component is triggered automatically to blow away rising smoke, and visibility of the thermal infrared camera is guaranteed.
S3, when the barrier blowing component is burnt out, the fire situation is spread to the position near the thermal infrared camera, the emergency protection component can be automatically triggered to carry out self-protection, and the thermal infrared camera is protected in a fully-closed manner.
S4, when the emergency protection component deforms to the stop state, the emergency protection component is fixed and limited through the fixed shell matched with the elastic sheet, the protection effect of the thermal infrared camera is improved, and property loss is reduced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) when the fire condition spreads to the lower part of the thermal infrared camera, the automatic triggering and barrier blowing component blows away rising smoke to ensure the visibility of the thermal infrared camera, when the barrier blowing component is burnt out, the fire condition spreads to the vicinity of the thermal infrared camera, the automatic triggering and emergency protection component can automatically carry out self-protection to carry out fully-closed protection on the thermal infrared camera, when the emergency protection component deforms to a termination state, the emergency protection component is fixed and limited by the matching of the fixed shell and the elastic sheet, the protection effect on the thermal infrared camera is improved, the property loss is reduced, the barrier blowing component can blow away rising smoke on one hand, the visibility of the thermal infrared camera is improved, on the other hand, the barrier blowing component is matched with the emergency protection component, the triggering condition of the emergency protection component can be completed according to the spreading range of the fire condition, the monitoring duration of the thermal infrared camera under the fire condition is maximally improved, thermal infrared camera self also can be ensured, reduces the possibility that thermal infrared camera is burnt out and damages, and the shell fragment can lead for blowing triggering of barrier subassembly, and when emergency protection subassembly triggered the back, the shell fragment will become crooked form, can fix spacingly to emergency protection subassembly, improves the protective effect to thermal infrared camera.
(2) Blow the barrier subassembly including blowing barrier drive spheroid and steel ball, blow the lower extreme of barrier drive spheroid fixed mounting at the shell fragment, be sliding connection between steel ball and the shell fragment, the steel ball is located blows the spheroidal top of barrier drive, the ectosphere fixedly connected with nylon cable of steel ball, the lower extreme fixedly connected with counter weight pearl of nylon cable, when the condition of a fire stretches to the below of hot infrared camera, the nylon cable can be blown to the fire source, the counter weight pearl will drop, its steel ball also will drop because of gravity, the steel ball is at the in-process that drops, because of the direction of shell fragment, make the steel ball finally pound to blow barrier drive spheroid, thereby trigger blows barrier drive spheroid, blow barrier drive spheroid and can blow away the smog that rises, improve the visibility of hot infrared camera.
(3) The obstacle blowing driving sphere comprises an elastic balloon, an air outlet is fixedly connected to the outer surface of the elastic balloon, an isolation wafer is fixedly connected to the inner wall of the elastic balloon, through holes are formed in the surface of the isolation wafer, effervescent particles are filled in the elastic balloon, the effervescent particles are located below the isolation wafer, an elastic water storage bag is arranged in an inner cavity of the elastic balloon and located above the isolation wafer, a glass area is arranged on the outer spherical surface of the elastic water storage bag, when steel balls are thrown to the elastic balloon, the glass area can be broken, so that aqueous solution in the elastic water storage bag is mixed with the effervescent particles, a large amount of carbon dioxide gas is generated, the elastic water storage bag expands, the carbon dioxide gas is blown out from the air outlet and blown to the area of the glass protective cover, smoke can be kept away from the glass protective cover, and smoke attached to the surface of the glass protective cover can be blown away, the visibility of the thermal infrared camera is improved, the concentration of carbon dioxide in a workshop can be improved by carbon dioxide gas blown out continuously, and the rapid spread of fire can be relieved.
(4) Elasticity water storage bag is the inflation state, and the lower extreme of elasticity water storage bag is laminated with the upper surface of keeping apart the disk mutually, and after glass district's breakage, elasticity water storage bag can contract rapidly, and elasticity water storage bag is extruded to the quilt that aqueous solution can be quick, improves the reaction efficiency of aqueous solution and effervescent granule.
(5) The emergency protection component comprises a hollow protection cover and a limit stop, the elastic sheet is fixedly connected at the lower end of the hollow protection cover, the inner cavity of the protection cover is fixedly connected with an air bag, the air bag is communicated with the inner cavity of the hollow protection cover, one end of the hollow protection cover, which is far away from the elastic sheet, is fixedly connected with a counterweight lead block, the inner cavity of the hollow protection cover is filled with ammonium chloride powder, the limit stop is fixedly connected with the inner wall of the hemispherical cavity, after the blow-out component is burnt out, the condition of fire is spread to be close to the thermal infrared camera, along with the complete burning-out of the blow-out component, one side of the lower end of the hollow protection cover is free from the constraint of weight, the hollow protection cover is rotated towards one side through the hollow protection cover so as to cover the periphery of the glass protection cover, the hollow protection cover is in contact with a fire source, along with the heating of the fire source to the hollow protection cover, the ammonium chloride powder in the inner cavity of the hollow protection cover is sublimated into gas, thereby make the gasbag take place the inflation, will be linear expansion because of the gasbag, and the inner wall of hollow protection casing is the curve, make the gasbag can contact the inner wall of hollow protection casing at the in-process of inflation, thereby it is spacing to carry out the inflation of gasbag, but the gasbag still has the trend of inflation, the gasbag will promote hollow protection casing and rotate at subsequent inflation in-process, cover the glass protection casing completely until hollow protection casing, when emergency protection subassembly deformation to termination form, the inside to the hemisphere cavity will be accomodate to the shell fragment, it is spacing to limit stop through limit stop, make hollow protection casing be in stable state, and the effect of protection is improved.
(6) For fixed connection between the extension end of gasbag and the inner wall of hollow protection casing, the surface of gasbag contacts with the inner wall of hollow protection casing for the inflation of gasbag can extend by outer end mutually, and the gasbag of being convenient for promotes hollow protection casing and rotates.
(7) The hollow protective cover is made of glass limiting materials, a heat insulation layer is arranged at one end, close to the glass protective cover, of the hollow protective cover, the glass limiting materials are light, the expansion air bag is convenient to push, and the heat insulation effect of the hollow protective cover on the glass protective cover is improved through the heat insulation layer.
(8) The surface of the elastic sheet is provided with through holes, the nylon cable penetrates through the through holes, and the through holes are in contact with the outer spherical surfaces of the steel balls, so that the steel balls have enough impact force to break the glass area, and the possibility that the glass area is not easily broken is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic diagram of the expanded state of the barrier blowing driving sphere of the present invention;
FIG. 5 is a schematic cross-sectional view of a barrier blow-off drive sphere of the present invention;
FIG. 6 is a schematic view of the contracting structure of the elastic water storage bag of the present invention;
FIG. 7 is a cross-sectional structural schematic view of the stationary housing of the present invention;
FIG. 8 is an enlarged view taken at A of FIG. 7;
FIG. 9 is a structural schematic view of a barrier blowing assembly of the present invention in a burned-out state;
FIG. 10 is a schematic cross-sectional view of a hollow shield according to the present invention.
The reference numbers in the figures illustrate:
100 fixed shell, 101 hemispherical cavity, 200 thermal infrared camera, 300 glass shield, 400 shrapnel, 500 blow-off component, 501 blow-off driving sphere, 5011 elastic balloon, 5012 air outlet, 5013 isolation disc, 5014 through hole, 5015 effervescent granule, 5016 elastic water storage bag, 5017 glass area, 502 steel ball, 503 nylon cable, 504 counterweight bead, 600 emergency protection component, 601 hollow shield, 602 air bag, 603 counterweight lead block, 604 ammonium chloride powder, 605 limit stop.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-4 and 7, a fire prevention monitoring device for workshop buildings and a method for using the same, including a fixed housing 100, a thermal infrared camera 200 fixedly connected to an inner wall of the fixed housing 100, a glass shield 300 fixedly connected to a lower end of the fixed housing 100, the thermal infrared camera 200 located above the glass shield 300, a hemispherical cavity 101 formed in the fixed housing 100, an emergency protection component 600 rotatably connected to an interior of the hemispherical cavity 101, an elastic piece 400 fixedly connected to a lower end of the emergency protection component 600, the elastic piece 400 located at an outer side of the glass shield 300, a barrier blowing component 500 disposed on a surface of the elastic piece 400, if a fire condition spreads below the thermal infrared camera 200, the barrier blowing component 500 is automatically triggered to blow up smoke to ensure visibility of the thermal infrared camera 200, and when the barrier blowing component 500 is burnt, the fire condition means that the fire condition has spread to a vicinity of the thermal infrared camera 200, the emergency protection component 600 can be automatically triggered to carry out self-protection, the thermal infrared camera 200 is protected in a fully-closed manner, when the emergency protection component 600 deforms to a stop state, the emergency protection component 600 is fixed and limited through the fixed shell 100 and the elastic sheet 400, the protection effect of the thermal infrared camera 200 is improved, property loss is reduced, the barrier blowing component 500 can blow away rising smoke and improve the visibility of the thermal infrared camera 200 on one hand, and can be matched with the emergency protection component 600 on the other hand, the triggering condition of the emergency protection component 600 can be completed according to the spreading range of fire, the monitoring duration of the thermal infrared camera 200 under the fire is improved to the maximum extent, meanwhile, the thermal infrared camera 200 can also be guaranteed, the possibility that the thermal infrared camera 200 is burnt out and damaged is reduced, the elastic sheet 400 can guide the triggering of the barrier blowing component 500, and after the emergency protection component 600 is triggered, the shrapnel 400 is to be changed into a bending shape, and can fix and limit the emergency protection assembly 600, thereby improving the protection effect on the thermal infrared camera 200.
Referring to fig. 3-4, the obstacle blowing assembly 500 includes an obstacle blowing driving sphere 501 and a steel ball 502, the obstacle blowing driving sphere 501 is fixedly mounted at the lower end of the elastic sheet 400, the steel ball 502 is slidably connected to the elastic sheet 400, the steel ball 502 is located above the obstacle blowing driving sphere 501, a nylon cable 503 is fixedly connected to the outer spherical surface of the steel ball 502, a counterweight bead 504 is fixedly connected to the lower end of the nylon cable 503, when a fire spreads to the lower side of the thermal infrared camera 200, the nylon cable 503 is blown off by a fire source, the counterweight bead 504 falls off, the steel ball 502 also falls off due to gravity, and the steel ball 502 finally hits the obstacle blowing driving sphere 501 due to the guidance of the elastic sheet 400 in the falling process, so as to trigger the obstacle blowing driving sphere 501, and the obstacle blowing driving sphere 501 can blow up smoke, thereby improving the visibility of the thermal infrared camera 200.
Referring to fig. 5-6, the obstacle blowing driving sphere 501 includes an elastic balloon 5011, an air outlet 5012 fixedly connected to an outer surface of the elastic balloon 5011, an isolation disc 5013 fixedly connected to an inner wall of the elastic balloon 5011, a through hole 5014 drilled on a surface of the isolation disc 5013, effervescent granules 5015 filled in the elastic balloon 5011, the effervescent granules 5015 located below the isolation disc 5013, an elastic water reservoir 5016 located in an inner cavity of the elastic balloon 5011, the elastic water reservoir 5016 located above the isolation disc 5013, a glass area 5017 provided on an outer spherical surface of the elastic water reservoir 5016, and when a steel ball 502 hits the elastic balloon 5011, the glass area 5017 is broken, so that an aqueous solution in the elastic water reservoir 5016 is mixed with the effervescent granules 5015 to generate a large amount of carbon dioxide gas, the elastic water reservoir 5016 expands while blowing carbon dioxide gas from the air outlet 5012 and blows the area of the glass shield 300, can make smog keep away from glass protection casing 300, also can blow away the smoke and dust that has attached to glass protection casing 300 surface, improve hot infrared camera 200's visibility, the carbon dioxide gas that constantly blows off can improve the concentration of the inside carbon dioxide in workshop, can alleviate the rapid spread of condition of a fire, elasticity water storage bag 5016 is the inflation state, the lower extreme of elasticity water storage bag 5016 is laminated with the upper surface of keeping apart disk 5013 mutually, after glass district 5017 is broken, elasticity water storage bag 5016 can contract rapidly, elasticity water storage bag 5016 can be extruded by quick quilt of aqueous solution, improve the reaction efficiency of aqueous solution and effervescent granule 5015.
Referring to fig. 8-10, the emergency protective assembly 600 includes a hollow shield 601 and a limit stop 605, the resilient piece 400 is fixedly connected to the lower end of the hollow shield 601, the inner cavity of the shield 601 is fixedly connected with an air bag 602, the air bag 602 is communicated with the inner cavity of the hollow shield 601, one end of the hollow shield 601 far from the resilient piece 400 is fixedly connected with a weight lead 603, the inner cavity of the hollow shield 601 is filled with ammonium chloride powder 604, the limit stop 605 is fixedly connected to the inner wall of the hemispherical cavity 101, when the blow-off assembly 500 is burnt, it means that the fire has spread to the vicinity of the thermal infrared camera 200, and along with the complete burning-off of the blow-off assembly 500, one side of the lower end of the hollow shield 601 will get rid of the constraint of weight, the hollow shield 601 rotates to one side through the hollow shield 601, thereby covering the periphery of the glass shield 300, the hollow shield 601 will replace the glass shield 300 to contact with the fire source, along with the heating of the hollow shield 601 by the ignition source, the ammonium chloride powder 604 in the inner cavity of the hollow shield 601 is sublimated into gas, so that the airbag 602 is expanded, the airbag 602 linearly expands, the inner wall of the hollow shield 601 is curved, the airbag 602 can contact with the inner wall of the hollow shield 601 in the expansion process, so that the expansion of the airbag 602 is limited, but the airbag 602 still has the expansion trend, the airbag 602 pushes the hollow shield 601 to rotate in the subsequent expansion process until the hollow shield 601 completely covers the glass shield 300, when the emergency protection assembly 600 deforms to the stop form, the shrapnel 400 is accommodated in the hemispherical cavity 101, and the limit stop 605 limits the limit stop 605, so that the hollow shield 601 is in a stable state, and the protection effect is improved.
Referring to fig. 9-10, the extending end of the airbag 602 is fixedly connected to the inner wall of the hollow shield 601, the outer surface of the airbag 602 contacts the inner wall of the hollow shield 601, so that the expanding end of the airbag 602 can extend to facilitate the airbag 602 to push the hollow shield 601 to rotate, the hollow shield 601 is made of a glass limiting material, an insulating layer is disposed at one end of the hollow shield 601 close to the glass shield 300, the glass limiting material is light and facilitates the pushing of the expanding airbag 602, and the insulating effect of the hollow shield 601 on the glass shield 300 is improved through the insulating layer.
Referring to fig. 1, a through hole 401 is drilled on the surface of the elastic piece 400, the nylon cable 503 penetrates through the through hole 401, and the through hole 401 contacts with the outer spherical surface of the steel ball 502, so that the steel ball 502 has enough impact force to break the glass area 5017, and the possibility that the broken glass area 5017 is not easily broken is reduced.
A use method of a fire prevention monitoring device for workshop buildings comprises the following steps:
s1, through the thermal infrared camera 200, even if the fire source is shielded, the surrounding temperature can be sensed through the thermal infrared camera 200, and the staff in the monitoring room can inform the staff to check the abnormal temperature display to prevent the fire.
S2, if the fire spreads to the lower part of the thermal infrared camera 200, the barrier blowing component 500 is triggered automatically to blow away the rising smoke, and the visibility of the thermal infrared camera 200 is guaranteed.
S3, when the barrier blowing component 500 is burnt, the fire situation is spread to the vicinity of the thermal infrared camera 200, the emergency protection component 600 can be automatically triggered to carry out self-protection, and the thermal infrared camera 200 is protected in a fully-closed manner.
S4, when emergency protection assembly 600 deformed to the termination state, emergency protection assembly 600 was fixed spacing through fixed shell 100 cooperation shell fragment 400, improved the protective effect to hot infrared camera 200, reduced loss of property.
The working principle is as follows: when a fire spreads to the lower part of the thermal infrared camera 200, a fire source can burn off the nylon cable 503, the counterweight ball 504 falls, the steel ball 502 also falls due to gravity, the steel ball 502 is finally knocked towards the barrier blowing driving ball 501 due to the guiding of the elastic sheet 400 in the falling process of the steel ball 502, so that the barrier blowing driving ball 501 is triggered, the barrier blowing driving ball 501 can blow away rising smoke, the visibility of the thermal infrared camera 200 is improved, the steel ball 502 is knocked towards the elastic ball 5011 and simultaneously breaks the glass area 5017, so that the aqueous solution in the elastic water storage bag 5016 is mixed with the effervescent particles 5015, a large amount of carbon dioxide gas is generated, the elastic water storage bag 5016 expands, simultaneously blows out the carbon dioxide gas from the gas outlet 5012 and towards the area of the glass protective cover 300, the smoke can be far away from the glass protective cover 300, and the smoke dust attached to the surface of the glass protective cover 300 can be blown away, the visibility of the thermal infrared camera 200 is improved, the concentration of carbon dioxide in a workshop can be improved by continuously blowing carbon dioxide gas, the rapid spread of fire can be relieved, the elastic water storage bag 5016 is in an expansion state, the lower end of the elastic water storage bag 5016 is attached to the upper surface of the isolation wafer 5013, after a glass area 5017 is crushed, the elastic water storage bag 5016 can be rapidly contracted, aqueous solution can be rapidly extruded out of the elastic water storage bag 5016, the reaction efficiency of the aqueous solution and the effervescent particles 5015 is improved, after the blow-up component 500 is burnt up, the fire condition is spread to the vicinity of the thermal infrared camera 200, along with the complete burning-up of the blow-up component 500, one side of the lower end of the hollow shield 601 is free from the constraint of weight, the hollow shield 601 is rotated to one side through the hollow shield 601 so as to cover the periphery of the glass shield 300, the hollow shield 601 replaces the glass shield 300 to be contacted with a fire source, along with the heating of the hollow shield 601 by the ignition source, the ammonium chloride powder 604 in the inner cavity of the hollow shield 601 is sublimated into gas, so that the airbag 602 is expanded, the airbag 602 linearly expands, the inner wall of the hollow shield 601 is curved, the airbag 602 can contact with the inner wall of the hollow shield 601 in the expansion process, so that the expansion of the airbag 602 is limited, but the airbag 602 still has the expansion trend, the airbag 602 pushes the hollow shield 601 to rotate in the subsequent expansion process until the hollow shield 601 completely covers the glass shield 300, when the emergency protection assembly 600 deforms to the stop form, the shrapnel 400 is accommodated in the hemispherical cavity 101, and the limit stop 605 limits the limit stop 605, so that the hollow shield 601 is in a stable state, and the protection effect is improved.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.