CN112863109A

CN112863109A - Fire safety automatic alarm device

Info

Publication number: CN112863109A
Application number: CN202110046771.4A
Authority: CN
Inventors: 刘慧云
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-05-28

Abstract

The invention discloses an automatic alarm device for fire safety, and relates to the technical field of fire safety. This fire control safety autoalarm includes the device main part, device main part inner wall bottom fixed mounting has alarm unit, alarm unit top and two smoke transducer electric connection. This fire control safety autoalarm, actuating mechanism controls sealing mechanism with ambient temperature's difference when the conflagration breaing out in the building when can utilizing the resident person to smoke, thereby sealing mechanism can seal air inlet channel when resident person smokes, prevent that the solid floater in the cigarette smog from attaching to smoke transducer surface, sealing mechanism opens so that smoke transducer can further confirm whether the inside conflagration breaing out of building when the temperature risees in the building, thereby effectual solid floater that has prevented in the cigarette smog produces the influence to smoke transducer under the prerequisite that does not influence this alarm device and normally judge the conflagration.

Description

Fire safety automatic alarm device

Technical Field

The invention relates to the technical field of fire safety, in particular to an automatic alarm device for fire safety.

Background

"fire fighting" is to eliminate hidden danger and prevent disaster (i.e. to prevent and solve the general term of man-made, natural and accidental disasters in the life, work and learning process of people), and the narrow meaning of the fire fighting is to extinguish the fire at the early stage of people understanding; in a device for preventing a fire, a fire alarm device is a device for alerting occupants or firefighters before a fire occurs, a smoke alarm device is one of the most important means for preventing a fire, and a fire alarm device generates an alarm when a fire is initiated due to a large amount of smoke, and the sensitivity of the fire alarm device is considered according to the geographical location and the applied environment, so that it is possible to achieve the effect that a user should have.

The existing fire alarm is generally directly installed on a ceiling inside a building, and an air inlet groove is formed in the bottom of the installed fire alarm, so that a smoke sensor can sense smoke in the air; however, in daily life, residents in a building may have a habit of smoking, smoke generated by burning of cigarettes does not reach the alarm standard of a fire alarm, but smoke generated by cigarettes enters the inside of the fire alarm, solid floating objects in the smoke are attached to the surface of a smoke sensor, the sensing effect of the smoke sensor may be poor due to long-term accumulation of the solid floating objects, the installation position of the fire alarm is high, the inside of the fire alarm cannot be cleaned frequently, and then the fire alarm cannot give an alarm normally when a fire disaster occurs, so that certain potential safety hazards exist.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic fire safety alarm device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a fire control safety autoalarm, includes the device main part, device main part inner wall bottom fixed mounting has alarm unit, alarm unit top and two smoke transducer electric connection, device main part top is run through and is fixed with the ball piece that admits air by admitting air, it has seted up inlet channel to run through between ball piece top and the bottom of admitting air, the inlet channel top is equipped with an inlet end, and the bottom is provided with two ends of giving vent to anger, separate through the spacer block between two ends of giving vent to anger of inlet channel, the spacer block both sides are all inwards drawn empty there is the arc wall, be provided with sealing mechanism between arc wall center department and the bottom, two ends of giving vent to anger of inlet channel are sealed by two sets of sealing mechanism respectively, sealing mechanism is connected with actuating mechanism.

Preferably, sealing mechanism includes closing plate one and closing plate two, the closing plate one end is rotated and is installed inside the arc wall, and the other end is articulated with closing plate two, closing plate one is close to two one end tops of closing plate and is fixed with arc strip one end, the arc strip other end is fixed with ejector pad and arc strip and runs through closing plate two, closing plate two is inside and the bottom is drawn empty, and a plurality of air vents have been seted up at the top, air vent department is provided with complementary unit.

Preferably, the complementary unit includes dwang, the sealed piece of fan-shaped, connecting rod and transfer line, dwang one end and the laminating of air vent inner wall one side, the other end rotate to be installed inside two closing plates, the sealed piece of fan-shaped is fixed in the dwang and is kept away from one side of closing plate one, the air vent is sealed by the sealed piece of fan-shaped, the connecting rod both ends are articulated with the sealed piece of fan-shaped and the dwang in two sets of complementary unit respectively, are close to dwang and transfer line in the complementary unit of closing plate one are fixed, keep away from the sealed piece of fan-shaped in the complementary unit of closing plate one passes through spring.

Preferably, the driving mechanism comprises a driving push rod, a driving ball, a driving cavity and a driving heat absorbing plate, one end of the driving push rod is hinged to the second sealing plate, the other end of the driving push rod is fixed to the driving ball, the driving ball is tightly attached to the inner wall of the driving cavity, the driving cavity is formed in two sides of the air inlet channel, and the driving heat absorbing plate is fixedly embedded in one side, far away from the air inlet channel, of the driving cavity.

Preferably, an air bag is arranged between two adjacent air inlet ball blocks, two sides of the air bag are respectively communicated with the interior of the driving cavity through transmission channels, two air blowing holes are formed in the bottom of the air bag, and an air blowing mechanism is arranged in the air bag.

Preferably, the blowing mechanism includes rotating seal plate, connection string and steel ball, rotating seal plate sets up at the gas hole top and the gas hole is sealed by rotating seal plate, rotating seal plate is close to the one end of ball piece that admits air and rotates and install inside the gasbag, and the one end of keeping away from the ball piece that admits air is passed through the spring and is connected and be connected with the steel ball through connecting the string with gasbag inner wall bottom, the steel ball rotates and installs inside transmission channel, the drive ball is made for magnetic substance.

(III) advantageous effects

The invention provides an automatic alarm device for fire safety. The method has the following beneficial effects:

(1) this fire control safety autoalarm, ambient temperature's difference comes to control sealing mechanism when actuating mechanism can utilize the resident person to smoke and when the conflagration breaks out in the building, thereby sealing mechanism can seal air inlet channel when resident person smokes, prevent that the solid floater in the cigarette smog from attaching to smoke transducer surface, sealing mechanism opens so that smoke transducer can further confirm whether the inside conflagration breaks out of building when the temperature risees in the building, thereby effectual solid floater that has prevented in the cigarette smog produces the influence to smoke transducer under the prerequisite that does not influence this alarm device and normally judge the conflagration.

(2) This fire control safety autoalarm through set up complementary unit in two insides of closing plate can rotate the process at closing plate one and closing plate two and open the air vent, and then prevents that the closing plate from to the inside smog production of air inlet duct blockking, has improved the device's security.

(3) This fire control safety autoalarm can remove the gas that the in-process was released and store to the drive ball through setting up the gasbag to when the drive ball removed a definite position, the rotary seal board was automatic to be opened and the inside gas of gasbag can blow out through the hole of blowing, and this gas can play certain clearance effect to the dust on smoke transducer surface.

(4) This fire control safety autoalarm uses through the cooperation between ejector pad and the transfer line and can control the transfer line at closing plate one and closing plate two rotation in-process, and then makes fan-shaped sealing block can break away from the air vent.

(5) This fire control safety autoalarm, because inside the closing plate rotates the back can income arc wall to play the effect of blockking to the inside smog of inlet channel, so only set up complementary unit in closing plate two insides, thereby can reduce the device's manufacturing cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the main body of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a cross-sectional view of the sealing mechanism of the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4 according to the present invention;

FIG. 6 is an enlarged view of the portion C of FIG. 2 according to the present invention.

In the figure: the device comprises a device body 1, an alarm unit 2, a smoke sensor 3, a4 air inlet balloon, a 41 air inlet channel, a 42 spacing block, a 421 arc-shaped groove, a 43 sealing mechanism, a 431 sealing plate I, a 432 sealing plate II, a 4321 vent hole, a 4322 auxiliary mechanism, a1 rotating rod, a2 fan-shaped sealing block, a3 connecting rod, a4 driving rod, a 433 arc-shaped strip, a 4331 push block, a 44 driving mechanism, a 441 driving push rod, a 442 driving ball, a 443 driving cavity, a 444 driving heat absorbing plate, a 45 transmission channel, a 5 air bag, a 51 air blowing hole, a 52 air blowing mechanism, a 521 rotating sealing plate, a 522 connecting string and a steel ball 523.

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. 1-6, the present invention provides a technical solution: an automatic fire safety alarm device comprises a device body 1, an alarm unit 2 is fixedly installed at the bottom of the inner wall of the device body 1, the top of the alarm unit 2 is electrically connected with two smoke sensors 3, the top of the device body 1 is penetrated by an air inlet ball 4 and fixed with the air inlet ball block 4, an air inlet channel 41 is penetrated between the top and the bottom of the air inlet ball block 4, the top of the air inlet channel 41 is provided with an air inlet end, the bottom is provided with two air outlet ends, the two air outlet ends of the air inlet channel 41 are separated by a separation block 42, arc-shaped grooves 421 are inwards hollowed at the two sides of the separation block 42, a sealing mechanism 43 is arranged between the center of the arc-shaped grooves 421 and the bottom, the two air outlet ends of the air inlet channel 41 are respectively sealed by two groups of sealing mechanisms 43, the sealing mechanisms 43 are connected with a driving mechanism 44, the driving mechanism 44 can control the sealing mechanisms 43 by utilizing the difference, therefore, when a resident smokes, the sealing mechanism 43 can seal the air inlet channel 41 to prevent solid floating objects in the cigarette smoke from being attached to the surface of the smoke sensor 3, and when the temperature in the building rises, the sealing mechanism 43 is opened to enable the smoke sensor 3 to further determine whether a fire disaster occurs in the building, so that the influence of the solid floating objects in the cigarette smoke on the smoke sensor 3 is effectively prevented on the premise that the normal judgment of the alarm device on the fire disaster is not influenced.

Preferably, in this embodiment, in order to enable the sealing mechanism 43 to seal the air inlet channel 41, the sealing mechanism 43 includes a first sealing plate 431 and a second sealing plate 432, one end of the first sealing plate 431 is rotatably installed inside the arc-shaped groove 421, the other end of the first sealing plate 431 is hinged to the second sealing plate 432, the top of one end of the first sealing plate 431, which is close to the second sealing plate 432, is fixed to one end of the arc-shaped strip 433, the other end of the arc-shaped strip 433 is fixed to a push block 4331, the arc-shaped strip 433 penetrates through the second sealing plate 432, the inside and the bottom of the second sealing plate 432 are hollowed, the top of the second sealing plate is.

Preferably, in this embodiment, in order to prevent the sealing plate two 432 from generating a blocking effect on smoke flowing in the air inlet channel 41, the auxiliary mechanism 4322 includes a rotating rod a1, a sector sealing block a2, a connecting rod a3 and a driving rod a4, one end of the rotating rod a1 is attached to one side of the inner wall of the vent hole 4321, the other end of the rotating rod a1 is rotatably installed inside the sealing plate two 432, the sector sealing block a2 is fixed to one side of the rotating rod a1 away from the sealing plate one 431, the vent hole 4321 is sealed by the sector sealing block a2, two ends of the connecting rod a3 are respectively hinged to the sector sealing blocks a2 and the rotating rod a1 in the two sets of auxiliary mechanisms 4322, the rotating rod a1 in the auxiliary mechanism 4322 close to the sealing plate one 431 is fixed to the driving rod a4, and the sector sealing block a2 in the.

Preferably, in this embodiment, in order to control the sealing mechanism 43 by utilizing the difference between the ambient temperature when the occupant smokes the cigarette and the ambient temperature when a fire breaks out in the building, the driving mechanism 44 includes a driving push rod 441, a driving ball 442, a driving cavity 443, and a driving heat absorbing plate 444, wherein one end of the driving push rod 441 is hinged to the second sealing plate 432, the other end is fixed to the driving ball 442, the driving ball 442 is tightly attached to the inner wall of the driving cavity 443, the driving cavity 443 is opened at both sides of the air inlet channel 41, and the driving heat absorbing plate 444 is fixedly inserted at the side of the driving cavity 443 away from the air inlet channel 41.

Preferably, in the present embodiment, in order to store the gas pushed out by the driving ball 442, an air bag 5 is disposed between two adjacent air inlet ball blocks 4, two sides of the air bag 5 are respectively communicated with the interior of the driving cavity 443 through the transmission channel 45, two blowing holes 51 are disposed at the bottom of the air bag 5, and a blowing mechanism 52 is disposed inside the air bag 5.

Preferably, in this embodiment, in order to enable the air bag 5 to blow air on the surface of the smoke sensor 3, the air blowing mechanism 52 includes a rotary sealing plate 521, a connecting string 522 and a steel ball 523, the rotary sealing plate 521 is disposed on the top of the air blowing hole 51, the air blowing hole 51 is sealed by the rotary sealing plate 521, one end of the rotary sealing plate 521 close to the air inlet ball block 4 is rotatably installed inside the air bag 5, one end of the rotary sealing plate 521 far away from the air inlet ball block 4 is connected with the bottom of the inner wall of the air bag 5 through a spring and is connected with the steel ball 523 through the connecting string 522, the steel ball 523 is rotatably installed inside the transmission channel 45.

The working principle is as follows: when the inhabitants of the building smoke, the smoke generated by the burning of the cigarettes is less, so the temperature is lower, and the gas in the driving cavity 443 cannot expand due to the lower temperature of the internal environment of the building, so the sealing structure 43 cannot be opened, and the solid floating objects in the smoke generated when the inhabitants smoke are prevented from passing through the air inlet channel 41 and attaching to the surface of the smoke sensor 3; when the temperature in the building rises, a fire may occur, at this time, the gas in the driving cavity 443 expands due to heat and pushes the driving ball 442 to move, the driving ball 442 pushes the first sealing plate 431 and the second sealing plate 432 to rotate through the driving push rod 441, the first sealing plate 431 rotates to the inside of the arc-shaped groove 421, the second sealing plate 432 and the first sealing plate 431 are folded, outside air enters the device main body 1 through the air inlet channel 41, the smoke sensor 3 can sense the outside air to determine whether a fire occurs in the building, and if a fire occurs, the smoke sensor 3 can automatically alarm through the alarm unit 2; in the rotating process of the first sealing plate 431 and the second sealing plate 432, the arc-shaped strip 433 rotates relative to the second sealing plate 432 under the action of the first sealing plate 431, when the push block 4331 is in contact with the transmission rod a4, the push block 4331 pushes the transmission rod a4, the transmission rod a1 and the fan-shaped sealing block a2 to rotate, and every two adjacent auxiliary mechanisms 4322 are transmitted by the connecting rod a3, so that each rotation rod a1 and each fan-shaped sealing block a2 rotate, and after the fan-shaped sealing block a2 is separated from the vent hole 4321, air on two sides of the second sealing plate 432 can flow through the second sealing plate 432, so that the second sealing plate 432 can be prevented from blocking smoke flowing in the air inlet channel 41; in the moving process of the driving ball 442, the gas inside the driving cavity 443 can flow into the air bag 5 through the transmission channel 41 under the action of the driving ball 442, the gas inside the air bag 5 generates downward thrust on the rotating sealing plate 521 in the gas storage process, the pressure between the rotating sealing plate 521 and the inner wall of the air bag 5 is increased, the gas inside the air bag 5 can be prevented from being discharged through the gas blowing holes 51, when the attraction force of the driving ball 442 on the steel ball 523 is greater than the elastic force of the spring, the steel ball 523 rotates and pulls the rotating sealing plate 521 to rotate through the connecting string 522, at the moment, the gas blowing holes 51 are opened, the gas additionally stored inside the air bag 5 is discharged through the gas blowing holes 51 at one time, the blowing effect on the surface of the smoke sensor 3 can be achieved, and dust accumulation on the surface of the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire control safety autoalarm, includes device main part (1), device main part (1) inner wall bottom fixed mounting has alarm unit (2), alarm unit (2) top and two smoke transducer (3) electric connection, its characterized in that: the device main part (1) top is run through and is fixed with ball piece (4) admits air by ball (4) admits air, it has seted up inlet channel (41) to pass through between ball piece (4) top and the bottom admits air, inlet channel (41) top is equipped with an inlet end, and the bottom is provided with two ends of giving vent to anger, two of inlet channel (41) are given vent to anger and are held and separate through spacer block (42) between, spacer block (42) both sides are all inwards drawn empty there are arc wall (421), be provided with sealing mechanism (43) between arc wall (421) center department and the bottom, two ends of giving vent to anger of inlet channel (41) are sealed by two sets of sealing mechanism (43) respectively, sealing mechanism (43) are connected with actuating mechanism (44).

2. A fire safety automatic alarm device according to claim 1, characterized in that: sealing mechanism (43) include sealing plate one (431) and sealing plate two (432), sealing plate one (431) one end is rotated and is installed inside arc groove (421), and the other end is articulated with sealing plate two (432), sealing plate one (431) are close to sealing plate two (432) one end top and arc strip (433) one end fixed, arc strip (433) other end is fixed with ejector pad (4331) and arc strip (433) and runs through sealing plate two (432), sealing plate two (432) are inside and the bottom is dug out, and a plurality of air vents (4321) have been seted up at the top, air vent (4321) department is provided with complementary unit (4322).

3. A fire safety automatic alarm device according to claim 2, characterized in that: the auxiliary mechanism (4322) comprises a rotating rod (a1), a sector sealing block (a2), a connecting rod (a3) and a transmission rod (a4), one end of the rotating rod (a1) is attached to one side of the inner wall of the vent hole (4321), the other end of the rotating rod is rotatably arranged in the sealing plate II (432), the fan-shaped sealing block (a2) is fixed on one side of the rotating rod (a1) far away from the first sealing plate (431), the vent hole (4321) is sealed by a sector sealing block (a2), two ends of the connecting rod (a3) are respectively hinged with the sector sealing block (a2) and the rotating rod (a1) in the two groups of auxiliary mechanisms (4322), the rotating rod (a1) in the auxiliary mechanism (4322) close to the first sealing plate (431) is fixed with the transmission rod (a4), and the sector sealing block (a2) in the auxiliary mechanism (4322) far away from the first sealing plate (431) is connected with the inner wall of the second sealing plate (432) through a spring.

4. A fire safety automatic alarm device according to claim 1, characterized in that: the driving mechanism (44) comprises a driving push rod (441), a driving ball (442), a driving cavity (443) and a driving heat absorbing plate (444), one end of the driving push rod (441) is hinged to the second sealing plate (432), the other end of the driving push rod is fixed to the driving ball (442), the driving ball (442) is tightly attached to the inner wall of the driving cavity (443), the driving cavity (443) is arranged on two sides of the air inlet channel (41), and the driving heat absorbing plate (444) is fixedly embedded on one side, far away from the air inlet channel (41), of the driving cavity (443).

5. A fire safety automatic alarm device according to claim 4, characterized in that: an air bag (5) is arranged between two adjacent air inlet ball blocks (4), two sides of the air bag (5) are communicated with the interior of the driving cavity (443) through transmission channels (45), two air blowing holes (51) are formed in the bottom of the air bag (5), and an air blowing mechanism (52) is arranged in the air bag (5).

6. A fire safety automatic alarm device according to claim 5, characterized in that: the blowing mechanism (52) comprises a rotary sealing plate (521), a connecting string (522) and a steel ball (523), wherein the rotary sealing plate (521) is arranged at the top of a blowing hole (51), the blowing hole (51) is sealed by the rotary sealing plate (521), one end, close to the air inlet ball block (4), of the rotary sealing plate (521) is rotatably installed inside the air bag (5), one end, far away from the air inlet ball block (4), of the rotary sealing plate is connected with the bottom of the inner wall of the air bag (5) through a spring and is connected with the steel ball (523) through the connecting string (522), the steel ball (523) is rotatably installed inside the transmission channel (45), and the driving ball (442) is made of a magnetic substance.