CN112562245B - Fire prevention alarm device and use method thereof - Google Patents
Fire prevention alarm device and use method thereof Download PDFInfo
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- CN112562245B CN112562245B CN202110210826.0A CN202110210826A CN112562245B CN 112562245 B CN112562245 B CN 112562245B CN 202110210826 A CN202110210826 A CN 202110210826A CN 112562245 B CN112562245 B CN 112562245B
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- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/02—Mechanical actuation of the alarm, e.g. by the breaking of a wire
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Abstract
The invention relates to the technical field of alarm devices, in particular to an alarm device for fire prevention and a using method thereof. The fire-proof alarm device comprises a box body, an alarm device body, an extension plate, a battery and an insulation plate, wherein the alarm device body is fixedly connected to the top end of the box body, the extension plate is fixedly connected to the side face of the box body, and an air bag is fixedly connected to the side face of the box body; the inside of extension board is fixed and is provided with the connection shell, and the internally mounted of connection shell has the battery, is provided with the insulation board between battery and the adjacent battery. The invention has the beneficial effects that: the fire-proof alarm device and the use method thereof are improved on the basis of the prior art, and the cutting edge, the fixed rod and the elastic rope in the device are utilized, so that when the box body is ignited, the air bag can be punctured while automatic alarm is given out, the pressure of the inside is relieved, the use safety of the device is ensured, and meanwhile, the fire-proof alarm device can adapt to the environments of different box bodies.
Description
Technical Field
The invention relates to the technical field of alarm devices, in particular to an alarm device for fire prevention and a using method thereof.
Background
Need seal to the box when some waterproof block terminals use, the leakproofness has improved water-proof effects, nevertheless also has certain safety defect, because the box is whole to be in encapsulated situation, therefore the inside of box is not convenient for observe, and also it is not intact whether interior switch and distribution equipment are not clear, can't send out the police dispatch newspaper when the box is inside to catch fire.
The existing alarm device cannot perform fireproof alarm work on the sealed box body, and cannot adjust the condition of alarm triggering of the distribution box according to the environment where the distribution box is placed, so that the adjustability of the existing alarm device is poor, and the application range is narrow.
Disclosure of Invention
The invention provides a fire-proof alarm device and a using method thereof aiming at the technical problems in the prior art, and aims to solve the problems that some existing alarm devices are poor in adjustability and narrow in application range when in use and cannot adapt to sealed boxes for fire-proof alarm work.
The technical scheme for solving the technical problems is as follows: the fire-proof alarm device comprises a box body, an alarm device body, an extension plate, a battery and an insulation plate, wherein the alarm device body is fixedly connected to the top end of the box body, the extension plate is fixedly connected to the side face of the box body, and an air bag is fixedly connected to the side face of the box body; the inside of extension board is fixed and is provided with the connection shell, and the internally mounted of connection shell has the battery, is provided with the insulation board between battery and the adjacent battery.
The invention has the beneficial effects that:
in the using process of the device, the power can be cut off between two adjacent batteries through the insulating plate, then the air bag is jacked up by matching with the air pressure change in the box body, and meanwhile, the air bag pulls the insulating plate to separate the insulating plate from the two adjacent batteries, so that an alarm is given out, the using convenience of the device is improved, the device can be well suitable for the box body of a sealed power distribution cabinet to be used, and the application range of the device is improved;
when the device is used, the insulating block can be popped out from two adjacent batteries through the oblique movement of the first elastic rope until the first elastic rope is broken, so that on one hand, the alarm function when the interior of the box body catches fire is solved, on the other hand, the fixing rod can puncture the air bag by utilizing the elasticity of the first elastic rope and the tip of the fixing rod, so that the device can release the pressure of the interior of the box body after catching fire, the fire situation is prevented from further worsening, the defect that the existing alarm devices are single in use mode is overcome, and the device has the advantages that the use mode is diversified and the safety is higher;
the device can also come to adjust the pulling force of second bungee cord to the gasbag through the block structure on the upper right side extension board, thereby make the gasbag adjusted by the required power of jack-up, thereby adapt to different box environment, guarantee that some heats originally also can safe handling just very high box, promoted the application scope of device, can also utilize extending structure to come to adjust the block and the state that breaks away from the block, solved the lower defect of the adjustable degree of current device, higher controllability has.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the upper side and the lower side of the right side surface of the connecting shell are fixedly connected with pipe sleeves, the first elastic ropes are fixedly connected inside the pipe sleeves, and cutting edges are fixedly arranged on the right sides of the pipe sleeves.
Adopt above-mentioned further scheme's beneficial effect be, follow-up can come to cut off first bungee through the cutting edge to make the insulation board pop out to the right side, promoted the practicality of device.
Furthermore, the right end of the insulating plate is fixedly provided with a fixed rod, the right end of the fixed rod is conical, and the fixed rods are symmetrically distributed on the upper side and the lower side of the insulating plate.
Adopt above-mentioned further scheme's beneficial effect be, when the insulation board popped out to the right side, can puncture the gasbag through the dead lever to carry out the pressure release to the inside of device.
Furthermore, the pipe sleeve is inclined at the upper end and the lower end of the connecting shell, the inclined directions of the pipe sleeves at the upper side and the lower side of the connecting shell are opposite, and the first elastic rope is located in a gap between the pipe sleeve and the cutting edge.
Adopt above-mentioned further scheme's beneficial effect can be through slope form pipe box for first bungee can be cut by the cutting edge when the slant removes.
Furthermore, the surface of the air bag is fixedly connected with a connecting rope which is fixed at the tail end of the insulating plate, the insulating plate and the fixing rod connecting rope are integrated with the air bag, and the air bag is shaped like a semi-ellipsoid.
The beneficial effect who adopts above-mentioned further scheme is that, can utilize the gasbag of half ellipsoid body to move right to make the gasbag can drive the insulation board, thereby trigger the alarm.
Further, the outside fixedly connected with second bungee of gasbag, the side fixed mounting of second bungee has the bull stick, and the inside of bull stick is fixed and is provided with first spring.
Adopt above-mentioned further scheme's beneficial effect be, can be through the second bungee cord pulling gasbag on the device to adjust the power that the jack-up gasbag needs.
Further, the right side fixed mounting of first spring has the kelly, the terminal fixedly connected with crank of kelly, and the outside movable mounting of kelly has the carousel, and the shape of the cross section of kelly is the rhombus, and the top fixedly connected with side connection board of kelly, the connected mode between side connection board and the bull stick is sliding connection, and the left side of side connection board is fixed and is provided with the overlap joint piece.
Adopt above-mentioned further scheme's beneficial effect to be, can utilize the kelly on the device to carry out the block to the carousel to adjust the winding number of turns of second bungee cord.
Furthermore, the turntable and the rotating rod are fixedly connected, and the rotating rod and the extension plate are connected through a bearing; a clamping groove and a limiting hole are sequentially formed in the rotary table, the inner wall of the clamping groove is matched with the outer wall of the clamping rod, and the rotary table forms a rotating structure with the extending plate through the clamping groove, the clamping rod and the crank; the limiting holes are distributed on the surface of the rotary disc in a centrosymmetric manner.
Adopt above-mentioned further scheme's beneficial effect be, can utilize the rotating-structure on the device to come to twine the elasticity rope of second, promoted the practicality of device, can utilize the draw-in groove to make the kelly rotate simultaneously and can drive the carousel and rotate.
Furthermore, a limiting rod is fixedly connected above the lapping block, a second spring is fixedly connected between the middle of the limiting rod and the extension plate, the limiting rod and the extension plate form an elastic structure through the second spring, and the left side of the limiting rod penetrates through the interior of the extension plate; the carousel passes through to constitute the block structure between gag lever post and the extension board, and the gag lever post passes through to constitute extending structure between kelly, side fishplate bar and the overlap joint piece and the extension board.
Adopt above-mentioned further scheme's beneficial effect be, can utilize the extending structure on the device to drive the gag lever post and reciprocate to adjust the block state of carousel, promoted the adjustable range of device.
A fire-proof alarm device and a using method thereof comprise the following steps:
s1: the alarm device body is electrified through the battery in the connecting shell, when the internal air pressure of the box body is normal, the insulating plate is positioned between two adjacent batteries, the alarm device body is ensured to be in an unpowered state, and at the moment, the power distribution equipment in the box body can be judged to be in a normal state;
s2: when internal distribution equipment of the box body catches fire, the air pressure in the box body is increased, objects are burnt to enable the interior of the box body to accumulate heat within a period of time, the volume of the gas is expanded, after the gas is expanded, the air bag at the opening at the right side of the box body is jacked up to enable the air bag to expand, the insulation board can be pulled through a connecting rope connected with the air bag in the expansion process of the air bag, the insulation board moves rightwards, the inclination angle of a first elastic rope on the front end fixing rod of the insulation board can be gradually reduced, so that a cutting edge on a pipe sleeve cuts the first elastic rope, and the first elastic rope is cut off;
s3: before the first elastic rope is cut off, the insulating plate can be completely separated from the space between two adjacent batteries, the alarm device body is electrified to give an alarm, at the moment when the first elastic rope is cut off, the insulating plate can pull the first elastic rope, the insulating plate is integrally popped out rightwards under the action of the elastic force of the first elastic rope, the insulating plate is integrally popped out in the process that the fixing rod moves rightwards, the tip ends of the fixing rods on the upper side and the lower side of the right end of the insulating plate puncture the air bag, and the pressure inside the box body is relieved;
s4: come to open the required pressure of the start completely to the gasbag according to the inside heat production's of box the condition, hold the crank and promote to the left side, make the kelly remove to the left side of draw-in groove, first spring is compressed, the side joint board pushes away the overlap joint piece left side and makes the gag lever post remove to the left side, make the second spring compressed, receive the compression back at the second spring, the right-hand member of gag lever post breaks away from the inside of carousel, utilize the kelly to rotate 90 with carousel whole, the inside of the spacing hole of next department on the gag lever post block income carousel up to the gag lever post block, the second bungee twines quarter round on the bull stick this moment, through the taut gasbag of second bungee, make the gasbag more difficult to be propped open, thereby adapt to the box of the sealed switch board of different trigger conditions.
In summary, the following steps: the invention has the beneficial effects that: in the using process of the device, the power can be cut off between two adjacent batteries through the insulating plate, then the air bag is jacked up by matching with the air pressure change in the box body, and meanwhile, the air bag pulls the insulating plate to separate the insulating plate from the two adjacent batteries, so that an alarm is given out, the using convenience of the device is improved, the device can be well suitable for the box body of a sealed power distribution cabinet to be used, and the application range of the device is improved; the insulating block can be popped out from two adjacent batteries by moving the first elastic rope obliquely until the first elastic rope is broken, so that on one hand, the alarm function in case of fire inside the box body is solved, on the other hand, the fixing rod can puncture the air bag by utilizing the elasticity of the first elastic rope and the tip of the fixing rod, so that the device can relieve the pressure inside the box body after the fire occurs, the further deterioration of the fire is avoided, the defect that the use modes of some existing alarm devices are single is overcome, and the device has the advantages of being diversified in use modes and higher in safety; can also come to adjust the pulling force of second bungee cord to the gasbag through the block structure on the upper right side extension board, thereby make the gasbag adjusted by the required power of jack-up, thereby adapt to different box environment, guarantee that some heats originally also can safe handling just very high box, promoted the application scope of device, can also utilize extending structure to adjust the block and the state that breaks away from the block, solved the lower defect of the adjustable degree of current device, higher controllability has.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the extension plate and the turntable;
FIG. 3 is a schematic front cross-sectional structural view of the present invention;
FIG. 4 is a schematic diagram of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic diagram of the structure at B in FIG. 1 according to the present invention;
FIG. 6 is a schematic view of a dead lever and first bungee cord separation configuration of the present invention;
FIG. 7 is a side view of the turntable according to the present invention;
FIG. 8 is a side cross-sectional structural view of the clamping bar of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the box, 2, the alarm device body, 3, the extension board, 4, the connection shell, 5, the battery, 6, the insulation board, 7, the dead lever, 8, the pipe box, 9, first bungee, 10, the cutting edge, 11, connect the rope, 12, the gasbag, 13, second bungee, 14, the bull stick, 15, first spring, 16, the kelly, 17, the crank, 18, the carousel, 19, the draw-in groove, 20, spacing hole, 21, the side joint board, 22, the overlap joint piece, 23, the gag lever post, 24, the second spring.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Some sirens on the existing market are some sirens of the public place of installation usually, can't adapt to some less boxes in space and send out the police dispatch newspaper, and application scope is lower, can't adjust the condition that the alarm was triggered according to the inside condition of generating heat of box, can only trigger the alarm under the condition that receives specific pressure or temperature usually, is not convenient for adjust the work to the condition that triggers, and the controllability is relatively poor.
In addition, the pressure relief operation cannot be performed on the inside of the sealed box body while the alarm is triggered, the situation is easy to further worsen, and certain potential safety hazards exist.
The present invention provides the following preferred embodiments
As shown in fig. 1 and 3, the fire-proof alarm device and the use method thereof comprise a box body 1, an alarm device body 2, an extension plate 3, a battery 5 and an insulation plate 6, wherein the alarm device body 2 is fixedly connected to the top end of the box body 1, the extension plate 3 is fixedly connected to the side surface of the box body 1, and an air bag 12 is fixedly connected to the side surface of the box body 1; a connecting shell 4 is fixedly arranged inside the extension plate 3, a battery 5 is arranged inside the connecting shell 4, and an insulating plate 6 is arranged between the battery 5 and the adjacent battery 5; the right end of the insulating plate 6 is fixedly provided with a fixing rod 7, the right end of the fixing rod 7 is in a cone shape, the fixing rods 7 are symmetrically distributed on the upper side and the lower side of the insulating plate 6, and the air bag 12 can be punctured through the fixing rod 7 of the cone subsequently, so that pressure relief work is performed.
In this embodiment, as shown in fig. 3 and 5, in order to further improve the safety of the alarm device, the upper and lower sides of the right surface of the connecting shell 4 are both fixedly connected with the pipe sleeves 8, the first elastic rope 9 is fixedly connected inside the pipe sleeves 8, and the right side of the pipe sleeves 8 is fixedly provided with the cutting edge 10; the pipe sleeve 8 is inclined at the upper end and the lower end of the connecting shell 4, the inclination directions of the pipe sleeve 8 at the upper side and the lower side of the connecting shell 4 are opposite, the first elastic rope 9 is located at a gap between the pipe sleeve 8 and the blade 10, the blade 10 can be touched by the first elastic rope 9, so that the first elastic rope 9 is broken, and the air bag 12 can be punctured by the elasticity of the first elastic rope 9.
In this embodiment, as shown in fig. 2 to 4, in order to further improve the practicability of the alarm device, the surface of the air bag 12 is fixedly connected with a connecting rope 11, the connecting rope 11 is fixed at the end of the insulating plate 6, the fixing rod 7, the connecting rope 11 and the air bag 12 are integrated, and the air bag 12 is shaped as a semi-ellipsoid; a second elastic rope 13 is fixedly connected to the outer side of the air bag 12, a rotating rod 14 is fixedly installed on the side surface of the second elastic rope 13, and a first spring 15 is fixedly arranged inside the rotating rod 14; first spring 15's right side fixed mounting has kelly 16, kelly 16's terminal fixedly connected with crank 17, kelly 16's outside movable mounting has carousel 18, the shape of kelly 16's cross section is the rhombus, kelly 16's top fixedly connected with side fishplate bar 21, the connected mode between side fishplate bar 21 and the bull stick 14 is sliding connection, the fixed overlap joint piece 22 that is provided with in left side of side fishplate bar 21, can utilize the expansion of gasbag 12 on the device, thereby pulling insulation board 6, make the alarm trigger, the result of use of device has been promoted.
In this embodiment, as shown in fig. 3-4 and fig. 6, in order to further increase the adjustment range of the alarm device, the rotary disc 18 is fixedly connected with the rotary rod 14, and the rotary rod 14 is connected with the extension plate 3 through a bearing; a clamping groove 19 and a limiting hole 20 are sequentially formed in the rotary table 18, the inner wall of the clamping groove 19 is matched with the outer wall of the clamping rod 16, and the rotary table 18 forms a rotating structure with the extension plate 3 through the clamping groove 19, the clamping rod 16, the crank 17 and the extension plate; the limiting holes 20 are distributed on the surface of the rotary table 18 in a central symmetry manner, the positions of rotation and clamping of the rotary table 18 can be improved through the limiting holes 20, and the adjustability of the device is improved.
In this embodiment, as shown in fig. 2 and fig. 7 to 8, in order to further increase the application range of the alarm device, a limiting rod 23 is fixedly connected above the overlapping block 22, a second spring 24 is fixedly connected between the middle of the limiting rod 23 and the extension plate 3, the limiting rod 23 forms an elastic structure with the extension plate 3 through the second spring 24, and the left side of the limiting rod 23 penetrates through the inside of the extension plate 3; the turnplate 18 forms a clamping structure between the limiting rod 23 and the extension plate 3, the limiting rod 23 forms a telescopic structure between the clamping rod 16, the side connection plate 21, the lapping block 22 and the extension plate 3, and the telescopic structure on the device can be utilized, so that the limiting rod 23 is separated from the clamping with the turnplate 18, and the number of winding turns of the second elastic rope 13 is adjusted and fixed.
The specific working process of the invention is as follows:
(1) judging whether the interior of the box body 1 is in a normal state
When the device uses, the alarm device body 2 on the box 1 is electrified through the battery 5 inside the connecting shell 4, when the internal air pressure of the box 1 is normal, the insulating plate 6 is positioned between the two adjacent batteries 5, the alarm device body 2 is ensured to be in a non-electrified state, and at the moment, the alarm device body 2 can judge that the power distribution equipment inside the box 1 is in a normal state.
(2) Alarming when fire occurs in equipment
When the inside distribution equipment at box 1 catches fire, the inside atmospheric pressure of box 1 can increase, the object burning can make the inside of box 1 gather the heat in a period, thereby make gaseous volume inflation, after gaseous inflation, can jack-up the gasbag 12 of the opening part of box 1 right side, make gasbag 12 inflation, can be through the 11 pulling insulation boards 6 of the connection rope that link to each other with it at the in-process of gasbag 12 inflation, insulation board 6 moves right this moment, the inclination of the first bungee cord 9 on the 6 front end dead levers 7 of insulation board can become gentle gradually, thereby make cutting edge 10 on the pipe box 8 cut first bungee cord 9, thereby make first bungee cord 9 cut off.
(3) Carry out pressure relief while giving out alarm
Before first bungee 9 is cut off, insulation board 6 can break away from between the adjacent two batteries 5 completely, alarm device body 2 circular telegram sends out the police dispatch newspaper this moment, in the moment that first bungee 9 is cut off, insulation board 6 can stimulate first bungee 9, under the effect of first bungee 9 elastic force, make insulation board 6 whole pop out right, dead lever 7 moves the in-process right, insulation board 6 is whole to be popped out, puncture gasbag 12 through the pointed end of dead lever 7 of the upper and lower both sides of insulation board 6 right-hand member, thereby to carrying out the pressure release inside box 1, avoid the condition further to worsen (as shown in figure 7).
(4) Adjusting alarm triggering conditions
When the device is used, the pressure required for the complete expansion of the air bag 12 can be adjusted according to the condition of heat generation in the box body 1, the crank 17 is firstly held to push towards the left side, so that the clamping rod 16 moves towards the left side of the clamping groove 19, the first spring 15 is compressed, the side connecting plate 21 pushes the lapping block 22 towards the left side, so that the limiting rod 23 moves towards the left side, and the second spring 24 is compressed, after the second spring 24 is compressed, the right end of the limiting rod 23 is separated from the inner part of the rotary disc 18, the rotary disc 18 is integrally rotated by 90 degrees by the clamping rod 16 until the limiting rod 23 is clamped into the inner part of the next limiting hole 20 on the rotary disc 18, at this time, the second elastic rope 13 is wound on the rotary rod 14 for a quarter of a turn, the air bag 12 can be tensioned by the second elastic rope 13, so that the air bag 12 is more difficult to be stretched, and the box body 1 of the sealed power distribution cabinet suitable for different triggering conditions is achieved.
In summary, the following steps: the invention has the beneficial effects that the device is improved on the basis of the prior art, the power can be cut off between two adjacent batteries 5 through the insulating plate 6, then the air bag 12 is jacked up by matching with the air pressure change in the box body 1, and meanwhile, the air bag 12 pulls the insulating plate 6 to separate the insulating plate 6 from the two adjacent batteries 5, so that an alarm is given out, the use convenience of the device is improved, the device can be well suitable for the box body 1 of a sealed power distribution cabinet, and the application range of the device is improved;
in the using process of the device, the insulating block can be popped out from two adjacent batteries 5 by moving the first elastic rope 9 obliquely until the first elastic rope 9 is broken, so that on one hand, the alarm function when the inside of the box body 1 catches fire is solved, on the other hand, the fixing rod 7 can puncture the air bag 12 by utilizing the elastic force of the first elastic rope 9 and the tip of the fixing rod 7, so that the device can release the pressure in the box body 1 after catching fire, the fire condition is prevented from further deteriorating, the defect that the using modes of some existing alarm devices are single is overcome, and the device has the advantages that the using modes are diversified and the safety is higher;
the device can also come to adjust the pulling force of second bungee 13 to gasbag 12 through the block structure on the upper right side extension board 3, thereby make gasbag 12 adjusted by the required power of jack-up, thereby adapt to different box 1 environment, guarantee that some heats originally also can the safe handling of very high box 1, the application scope of device has been promoted, can also utilize extending structure to adjust the block and the state that breaks away from the block, the lower defect of the adjustable degree of current device has been solved, the advantage that has the adjustability height, and it is more convenient when using and adjusting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The alarm device for fire prevention is characterized by comprising a box body (1), an alarm device body (2), an extension plate (3), a battery (5) and an insulation plate (6), wherein the alarm device body (2) is fixedly connected to the top end of the box body (1), the extension plate (3) is fixedly connected to the side surface of the box body (1), and an air bag (12) is fixedly connected to the side surface of the box body (1); a connecting shell (4) is fixedly arranged inside the extending plate (3), batteries (5) are arranged inside the connecting shell (4), an insulating plate (6) is arranged between each battery (5) and the adjacent battery (5), a fixing rod (7) is fixedly arranged at the right end of each insulating plate (6), the right end of each fixing rod (7) is in a cone shape, the fixing rods (7) are symmetrically distributed on the upper side and the lower side of each insulating plate (6), pipe sleeves (8) are fixedly connected to the upper side and the lower side of the right side surface of the connecting shell (4), a first elastic rope (9) is fixedly connected inside each pipe sleeve (8), a cutting edge (10) is fixedly arranged on the right side of each pipe sleeve (8), the pipe sleeves (8) are inclined at the upper end and the lower end of the connecting shell (4), the inclination directions of the pipe sleeves (8) at the upper side and the lower side of the connecting shell (4) are opposite, the first elastic rope (9) is positioned at the gap between the pipe sleeves (8) and the cutting edge (10), and connect and connect rope (11), connect rope (11) and fix the end at insulation board (6), dead lever (7) are connected rope (11) and gasbag (12) and are a whole, and the shape of gasbag (12) is half ellipsoid.
2. The fire protection alarm device according to claim 1, wherein a second elastic cord (13) is fixedly connected to an outer side of the airbag (12), a rotating rod (14) is fixedly mounted on a side surface of the second elastic cord (13), and a first spring (15) is fixedly arranged inside the rotating rod (14).
3. The alarm device for fire prevention according to claim 2, wherein a clamping rod (16) is fixedly mounted on the right side of the first spring (15), a crank (17) is fixedly connected to the end of the clamping rod (16), a rotary table (18) is movably mounted on the outer side of the clamping rod (16), the cross section of the clamping rod (16) is in a diamond shape, a side connecting plate (21) is fixedly connected to the upper side of the clamping rod (16), the side connecting plate (21) is connected with the rotary rod (14) in a sliding manner, and a lap joint block (22) is fixedly arranged on the left side of the side connecting plate (21).
4. The alarm device for fire prevention according to claim 3, wherein the rotary plate (18) is fixedly connected with the rotary rod (14), and the rotary rod (14) is connected with the extension plate (3) through a bearing; a clamping groove (19) and a limiting hole (20) are sequentially formed in the rotary disc (18), the inner wall of the clamping groove (19) is matched with the outer wall of the clamping rod (16), and the rotary disc (18) forms a rotating structure with the extension plate (3) through the clamping groove (19), the clamping rod (16), the crank (17) and the extension plate; the limiting holes (20) are distributed on the surface of the rotary disc (18) in a central symmetry manner.
5. The fire protection alarm device according to claim 4, wherein a limiting rod (23) is fixedly connected above the overlapping block (22), a second spring (24) is fixedly connected between the middle of the limiting rod (23) and the extension plate (3), the limiting rod (23) and the extension plate (3) form an elastic structure through the second spring (24), and the left side of the limiting rod (23) penetrates through the extension plate (3); the rotary table (18) forms a clamping structure with the extension plate (3) through the limiting rod (23), and the limiting rod (23) forms a telescopic structure with the extension plate (3) through the clamping rod (16), the side connection plate (21), the lap joint block (22) and the extension plate (3).
6. A method of using the alarm device for fire prevention according to any one of claims 1 to 5, comprising the steps of:
s1: the alarm device body (2) is electrified through the battery (5) in the connecting shell (4), when the internal air pressure of the box body (1) is normal, the insulating plate (6) is positioned between two adjacent batteries (5), the alarm device body (2) is ensured to be in an unpowered state, and at the moment, the power distribution equipment in the box body (1) can be judged to be in a normal state;
s2: when the internal distribution equipment of the box body (1) catches fire, the air pressure inside the box body (1) is increased, heat is accumulated in the box body (1) within a period of time due to object combustion, the volume of gas is expanded, after the gas is expanded, the air bag (12) at the opening on the right side of the box body (1) is jacked up, the air bag (12) is expanded, the insulating plate (6) can be pulled through the connecting rope (11) connected with the air bag (12) in the expansion process of the air bag (12), the insulating plate (6) moves rightwards, the inclination angle of the first elastic rope (9) on the front end fixing rod (7) of the insulating plate (6) can be gradually slowed down, so that the first elastic rope (9) is cut by the blade (10) on the pipe sleeve (8), and the first elastic rope (9) is cut;
s3: before the first elastic rope (9) is cut off, the insulating plate (6) can be completely separated from the batteries (5) at two adjacent positions, the alarm device body (2) is electrified to give an alarm, at the moment when the first elastic rope (9) is cut off, the insulating plate (6) can pull the first elastic rope (9), under the action of the elastic force of the first elastic rope (9), the insulating plate (6) is integrally popped out rightwards, in the process that the fixing rod (7) moves rightwards, the insulating plate (6) is integrally popped out, the tip ends of the fixing rods (7) at the upper side and the lower side of the right end of the insulating plate (6) puncture the air bag (12), and the pressure inside the box body (1) is relieved;
s4: the pressure required for completely opening the air bag (12) is adjusted according to the condition of heat generation in the box body (1), the crank (17) is held to push towards the left side, the clamping rod (16) moves towards the left side of the clamping groove (19), the first spring (15) is compressed, the side connecting plate (21) pushes the overlapping block (22) towards the left side to enable the limiting rod (23) to move towards the left side, the second spring (24) is compressed, after the second spring (24) is compressed, the right end of the limiting rod (23) is separated from the inside of the rotary disc (18), the rotary disc (18) is integrally rotated by the clamping rod (16) for 90 degrees until the limiting rod (23) is clamped into the inside of the next limiting hole (20) on the rotary disc (18), the second elastic rope (13) is wound on the rotary rod (14) for a quarter of a turn at the moment, the air bag (12) is tensioned through the second elastic rope (13), and the air bag (12) is more difficult to be opened, thereby adapt to box (1) of the sealed switch board of different trigger conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110210826.0A CN112562245B (en) | 2021-02-25 | 2021-02-25 | Fire prevention alarm device and use method thereof |
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| JPH09147259A (en) * | 1995-11-22 | 1997-06-06 | Matsushita Electric Works Ltd | Sensor cover |
| CN108686329A (en) * | 2017-04-10 | 2018-10-23 | 广东珠江燃气集团有限公司 | A kind of detection of electrons protective device for structural fire protection equipment |
| CN209286557U (en) * | 2018-11-08 | 2019-08-23 | 广州建誉利业建设发展股份有限公司 | A kind of indoor fireplug |
| CN210402620U (en) * | 2019-05-29 | 2020-04-24 | 王克仁 | Forest fire prevention early warning device |
| CN211087457U (en) * | 2019-12-11 | 2020-07-24 | 国网浙江省电力有限公司嘉兴供电公司 | Fire monitoring device of transformer substation flexibly distributed and controlled |
| CN212214416U (en) * | 2020-03-17 | 2020-12-25 | 朱项龙 | Fire extinguishing regulation and control device for electrical equipment |
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- 2021-02-25 CN CN202110210826.0A patent/CN112562245B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09147259A (en) * | 1995-11-22 | 1997-06-06 | Matsushita Electric Works Ltd | Sensor cover |
| CN108686329A (en) * | 2017-04-10 | 2018-10-23 | 广东珠江燃气集团有限公司 | A kind of detection of electrons protective device for structural fire protection equipment |
| CN209286557U (en) * | 2018-11-08 | 2019-08-23 | 广州建誉利业建设发展股份有限公司 | A kind of indoor fireplug |
| CN210402620U (en) * | 2019-05-29 | 2020-04-24 | 王克仁 | Forest fire prevention early warning device |
| CN211087457U (en) * | 2019-12-11 | 2020-07-24 | 国网浙江省电力有限公司嘉兴供电公司 | Fire monitoring device of transformer substation flexibly distributed and controlled |
| CN212214416U (en) * | 2020-03-17 | 2020-12-25 | 朱项龙 | Fire extinguishing regulation and control device for electrical equipment |
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