CN109173131B - Temperature-sensing automatic-opening and closing rapid fire extinguishing device and use method thereof - Google Patents
Temperature-sensing automatic-opening and closing rapid fire extinguishing device and use method thereof Download PDFInfo
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- CN109173131B CN109173131B CN201811124101.4A CN201811124101A CN109173131B CN 109173131 B CN109173131 B CN 109173131B CN 201811124101 A CN201811124101 A CN 201811124101A CN 109173131 B CN109173131 B CN 109173131B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Temperature-Responsive Valves (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a temperature-sensing automatic opening and closing rapid fire extinguishing device and a use method thereof, when a fire disaster happens, a temperature-sensing glass bubble is broken, a small spring pushes a magnetic ring pressing rod to move upwards, and simultaneously drives an upper magnetic ring, a lower magnetic ring and a magnetic ring sleeve to move upwards, the lower magnetic ring drives a magnetic core to move upwards, and the magnetic core drives the magnetic core sleeve, a nylon positioning column and a sealing cap to move upwards, so that the sealing cap is separated from a water outlet hole of a diaphragm support piece, and water enters a sprinkler head through a water outlet to extinguish the fire; when fire is extinguished, the temperature sensing element automatically contracts and elasticity is reduced, the soft iron ring descends and drives the upper magnetic ring to descend, so that the magnetic ring pressing rod, the magnetic ring sleeve, the lower magnetic ring, the magnetic core sleeve, the nylon positioning column and the sealing cap descend, the sealing cap discharges the membrane support member out of water Kong Dusi, and the device is closed to stop spraying water. After a fire disaster occurs, the invention can automatically start the valve to spray water to extinguish the fire within a few seconds, shortens the response time of the fire extinguishing device in the fire scene and can control the fire condition at the initial stage of the fire disaster.
Description
Technical Field
The invention relates to a temperature-sensing automatic-opening and closing rapid fire extinguishing device and a using method thereof, belonging to a fire extinguishing device.
Background
In the prior art, in order to prevent fire, an automatic water spraying fire extinguishing system is designed and installed in some public buildings, the automatic water spraying fire extinguishing system consists of components such as a water spraying nozzle, an alarm valve group, a water flow alarm and the like, and pipelines, water supply facilities and the like, when the fire occurs in the buildings, glass bubbles in the water spraying nozzle are broken, water flows out of the water spraying nozzle to extinguish the fire, and the alarm system alarms and starts the water supply facilities to supply water to extinguish the fire. The water supply device has the advantages that once the sprinkler is opened, the sprinkler cannot be automatically closed, and after fire is extinguished, if a water supply facility valve cannot be timely closed, the sprinkler can continue to spray water until the water in the water tank and the pipeline is completely sprayed, so that a certain degree of secondary disasters are caused.
The investment of the automatic water spraying fire extinguishing system is large, the fire extinguishing control system is complex, and special personnel are required to be attended. The sprinkler head can not in time close the water source after the conflagration is put out, causes the flood easily, causes secondary disaster, and the sprinkler head belongs to disposable articles for use, needs professional personnel to change after the use.
Because the defect of automatic water spraying fire extinguishing system and sprinkler head, automatic water spraying fire extinguishing system is not suitable for resident house installation and use, has only set up the fire hydrant in the present resident house building in the stairwell, will open resident's burglary-resisting door to put out the conflagration after the indoor conflagration that takes place, opens resident's burglary-resisting door's time, often opens the best opportunity of putting out a fire, and the burglary-resisting door is opened still needs to erect the scaling ladder from the building outside in some times, has caused very big difficulty for putting out the conflagration, because can not in time put out the conflagration and cause very big loss for resident house especially high-rise house.
In view of the state of the art, the 201510636284.8 patent provides a temperature-sensing self-opening and closing fire extinguishing device, see fig. 3, which is combined with an automatic sprinkler system in a public building, when a fire disaster occurs in the building, the temperature-sensing self-opening and closing fire extinguishing device opens water in a pipeline, and the water flows out through a sprinkler head to extinguish the fire, and when the fire is extinguished, the temperature-sensing self-opening and closing fire extinguishing device closes the sprinkler head to stop spraying water.
In resident's house, connect the temperature sensing with automatic start-stop extinguishing device and indoor running water pipeline and form simple and easy fire extinguishing system together, save the expense of establishing fire extinguishing system, which room is in the condition of a fire, which room water spray is put out a fire, stop the water spray after the condition of a fire is relieved, when the conflagration takes place once more the temperature sensing is from starting to put out a fire again from starting to put out a fire.
However, in the practical use of the temperature-sensing automatic opening and closing fire extinguishing device, some defects are found: the two magnetic cores of the original temperature-sensing automatic opening and closing fire extinguishing device are arranged in a repulsive mode, the nylon Long Dingwei column is used for clamping, when the friction force between the nylon positioning column and the magnetic core sleeve is lower than the repulsive force of the magnet, the nylon positioning column and the sealing cap are ejected out, and at the moment, the device is enabled to be not operated when a fire disaster occurs, and serious consequences are caused.
The two magnetic rings stacked by the original temperature-sensing automatic opening and closing fire extinguishing device are homopolar and repulse, the installation process is complex, the installation efficiency is low, and the production cost of the valve body is high.
The automatic start-stop fire extinguishing device in the 201510636284.8 patent depends on the temperature sensing element to start the fire extinguishing device, but the comparison of the gradually rising temperatures of the temperature sensing element and the temperature sensing glass bubble in the same closed space shows that the action time of the temperature sensing element is about 5 minutes slower than that of the temperature sensing glass bubble, so that the temperature sensing automatic start-stop fire extinguishing device in the 201510636284.8 patent may delay the optimal time for fire extinguishing, and huge loss is caused.
Disclosure of Invention
In view of the defects of the temperature-sensing automatic opening and closing fire extinguishing device in actual use, the invention provides the temperature-sensing automatic opening and closing rapid fire extinguishing device and the use method thereof, the device has simple structure, stability, reliability and rapid response time, after a fire disaster occurs, the temperature sensing glass bubbles and the temperature sensing elements can sense the ambient temperature, when the temperature exceeds 68 ℃, the temperature sensing glass bubbles are broken, the valve is rapidly and automatically started to spray water for extinguishing fire, and meanwhile, the temperature sensing elements are stretched to compress the spring; when the ambient temperature is reduced to below 45 ℃ after the fire is extinguished, the temperature sensing element contracts, and the water spraying valve is closed to stop spraying water through the action of a series of components such as a spring and the like.
The invention adopts the technical proposal for realizing the aim that: a temperature-sensing automatic-opening and-closing rapid fire extinguishing device comprises a valve body, a diaphragm support piece, a separation sleeve, a sealing cap, a magnetic core sleeve, a small spring, a large spring, an upper magnetic ring, a temperature-sensing element, a lower magnetic ring and an outer cover; the method is characterized in that: the device also comprises a nylon positioning column, an adjusting screw, a temperature sensing glass bubble, a magnetic ring pressing rod, a soft iron ring, a magnetic ring sleeve and an asbestos pad;
the outer cover consists of an outer cover bottom plate and an outer cover shell, and an adjusting screw hole with internal threads is formed in the upper end face of the outer cover shell;
the magnetic ring pressing rod consists of a large-diameter cylindrical body and a small-diameter cylindrical body which are integrated, a circle of groove is formed in the periphery of the large-diameter cylindrical body, a small-diameter cylindrical opening is an inclined opening, and the lower end of the inclined opening is a blind hole;
the magnetic ring sleeve is an annular body, and the upper opening of the magnetic ring sleeve is an inward shrinkage opening;
the magnetic core, the nylon positioning column and the sealing cap are all round bodies, the magnetic core, the nylon positioning column and the sealing cap are sequentially arranged in a magnetic core sleeve, the diaphragm support piece and the diaphragm are riveted together and placed in a valve cavity, the magnetic core sleeve is arranged in a separation sleeve protruding pipe, the separation sleeve is arranged on the diaphragm, the sealing cap in the magnetic core sleeve is arranged on a water outlet hole of the diaphragm support piece, the protruding pipe of the separation sleeve of the asbestos pad sleeve is arranged on a round table surface of the separation sleeve and a cavity opening of the valve body, the protruding pipe of the separation sleeve of the bottom plate sleeve of the outer cover is arranged on the asbestos pad and the valve body and is fixed with the valve body, the lower magnetic ring is arranged in the magnetic ring sleeve, the protruding pipe of the separation sleeve of the magnetic ring sleeve is arranged on the bottom plate of the outer cover, the lower magnetic ring corresponds to the magnetic core, the lower end of the magnetic ring pressing rod is arranged on the lower magnetic ring in the magnetic ring sleeve, the necking of the magnetic ring sleeve is riveted with the groove of the magnetic ring pressing rod, a small spring is arranged between the bulge tube of the separating sleeve and the inner top wall of the cavity of the magnetic ring pressing rod, the upper magnetic ring is sleeved on the cylinder with small diameter of the magnetic ring pressing rod, the bottom end of the temperature sensing element sleeve is arranged on the bottom plate of the outer cover, the soft iron ring sleeve is arranged on the upper end of the temperature sensing element through the magnetic ring pressing rod, the lower end of the temperature sensing glass bubble is arranged in the cylinder-shaped opening with small diameter of the magnetic ring pressing rod, the cambered surface of the lower end of the temperature sensing glass bubble is in inclined opening contact fit with the cylinder-shaped opening with small diameter, the large spring is sleeved on the temperature sensing glass bubble and the magnetic ring pressing rod, the bottom end of the large spring is arranged on the soft iron ring, the outer cover shell is buckled on the bottom plate of the outer cover and is fixed with the bottom plate of the outer cover, the upper end of the large spring in the outer cover is contacted with the inner top wall of the outer cover, the adjusting screw is screwed in the adjusting screw hole of the outer cover, adjusting the adjusting screw to enable the lower end face of the adjusting screw to be in contact fit with the upper end of the temperature sensing glass bulb;
the temperature sensing element can extend when the temperature increases and can contract when the temperature decreases.
The application method of the temperature-sensing automatic-opening and-closing rapid fire extinguishing device is characterized by comprising the following steps of:
the temperature-sensing automatic opening and closing rapid fire extinguishing device is arranged above a fire safety hidden trouble area, a water inlet of a valve body of the temperature-sensing automatic opening and closing rapid fire extinguishing device is connected with a water source, a water outlet of the valve body is connected with a water spraying nozzle through a pipeline, when the ambient temperature rises to 68 ℃, a temperature sensing glass bubble is broken under the influence of the rising ambient temperature when the fire occurs, a small spring pushes a magnetic ring pressing rod to move upwards, the magnetic ring pressing rod drives an upper magnetic ring, a lower magnetic ring and a magnetic ring sleeve to move upwards when the magnetic ring moves upwards, the lower magnetic ring drives a magnetic core to move upwards under the action of magnetic force, the magnetic core moves upwards to drive a magnetic core sleeve, a nylon positioning column and a sealing cap to enable the sealing cap to be separated from a water outlet of a membrane support, water in a cavity between the membrane support and the separation sleeve is rapidly discharged through the water outlet, the cavity water pressure between the membrane support and the separation sleeve is smaller than the water inlet pressure, under the action of the water pressure, the membrane generates deformation, the membrane support moves upwards through the water outlet to enter the water spraying nozzle to extinguish the fire, and at the same time, the temperature sensing element begins to stretch to compress a large spring through a soft iron ring when the ambient temperature reaches 68 ℃, and finally the soft iron ring is sucked together with the upper magnetic ring due to the action of the soft iron ring;
when fire is extinguished, the ambient temperature is reduced to 45 ℃, the temperature-sensing element automatically contracts and elasticity is reduced, the soft iron ring descends under the action of large spring pressure, the soft iron ring drives the upper magnetic ring to descend under the action of magnetic force, the upper magnetic ring descends to enable the magnetic ring compacting rod, the magnetic ring sleeve and the lower magnetic ring to descend, the lower magnetic ring descends to drive the magnetic core to descend under the action of magnetic force of the lower magnetic ring and the magnetic core, the magnetic core drives the magnetic core sleeve, the nylon positioning column and the sealing cap to descend, the sealing cap discharges water Kong Dusi from the diaphragm support, water flows into a cavity between the separation sleeve and the diaphragm support through the water outlet, so that the cavity pressure between the separation sleeve and the diaphragm support is increased, the diaphragm is pressed to descend with the diaphragm support, the diaphragm is restored to the original state, and the device is closed to stop spraying water;
when a fire disaster occurs again, the temperature sensing element stretches to drive the soft iron ring to move upwards, the soft iron ring drives the upper magnetic ring to move upwards under the action of magnetic force, the upper magnetic ring drives the magnetic ring pressing rod, the lower magnetic ring and the magnetic ring sleeve to move upwards when moving upwards, the lower magnetic ring drives the magnetic core to move upwards under the action of magnetic force, the magnetic core moves upwards to drive the magnetic core sleeve, the nylon positioning column and the sealing cap to move upwards, so that the sealing cap is separated from the water outlet hole of the diaphragm support piece, water in the cavity between the diaphragm support piece and the separation sleeve is rapidly discharged through the water outlet hole, the cavity water pressure between the diaphragm support piece and the separation sleeve is smaller than the water pressure of the water inlet, the diaphragm deforms under the action of the water pressure, and meanwhile the diaphragm support piece moves upwards, and the water enters the sprinkler head through the valve body to spray water again to extinguish the fire.
The beneficial effects of the invention are as follows: the invention is structurally modified on the basis of the 201510636284.8 patent temperature-sensing automatic opening and closing fire extinguishing device, two magnetic cores of the original temperature-sensing automatic opening and closing fire extinguishing device are changed into one magnetic core, and the problem of unstable original structure is solved by changing the two magnetic cores into one magnetic core.
The original two overlapped magnetic rings are changed into an upper magnetic ring and a lower magnetic ring, so that the assembly process is simplified, the installation efficiency is improved, and the production cost is reduced.
The temperature sensing element in the original temperature sensing automatic opening and closing fire extinguishing device is changed into a parallel structure of the temperature sensing glass bubble and the temperature sensing element, after a fire disaster occurs, the temperature sensing glass bubble and the temperature sensing element can sense the ambient temperature, when the temperature exceeds 68 ℃, the temperature sensing glass bubble breaks, a valve is quickly and automatically started to spray water for extinguishing fire, and meanwhile, the temperature sensing element stretches to compress a spring; when the ambient temperature is reduced to below 45 ℃ after the fire is extinguished, the temperature sensing element contracts, and the water spraying valve is closed to stop spraying water through the action of a series of components such as a spring and the like. The structure not only realizes the function of automatically opening and closing the water spraying valve, but also ensures the effect of quickly starting the valve, shortens the response time of the fire extinguishing device in a fire scene, can control the fire condition in the initial stage of the fire, and avoids casualties and huge loss of property.
When the ambient temperature is reduced to below 45 ℃ after the fire is extinguished, the water spraying valve is closed by self to stop spraying water, so that the occurrence of water trouble is prevented.
In a word, the invention is a safe, reliable, convenient, reusable temperature-sensing automatic-opening and closing rapid fire extinguishing device which does not depend on external force, and provides a novel fire extinguishing device for houses and public buildings.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
fig. 3 is a structural sectional view of a temperature-sensing automatic start-stop fire extinguishing device of the prior art.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1 and 2, the temperature-sensing automatic-opening and closing rapid fire extinguishing device comprises a valve body 1, a diaphragm 2, a diaphragm support piece 3, a separation sleeve 4, a sealing cap 5, a magnetic core 7, a magnetic core sleeve 8, a small spring 9, a large spring 10, an upper magnetic ring 13, a temperature sensing element 16, a lower magnetic ring 18, an outer cover 19, a nylon positioning column 6, an adjusting screw 11, a temperature sensing glass bulb 12, a magnetic ring pressing rod 14, a soft iron ring 15, a magnetic ring sleeve 17 and an asbestos pad 20.
The outer cover 19 is composed of an outer cover bottom plate 19-1 and an outer cover shell 19-2, and an adjusting screw hole 19-2-1 with internal threads is arranged on the upper end surface of the outer cover shell 19-2.
The magnetic ring pressing rod 14 is composed of a large-diameter cylindrical body and a small-diameter cylindrical body which are integrated, a circle of groove 14-1 is formed in the periphery of the large-diameter cylindrical body, a small-diameter cylindrical body opening is an inclined opening 14-2, and the lower end of the inclined opening 14-2 is a blind hole 14-3.
The magnetic ring sleeve 17 is an annular body, and the upper opening of the magnetic ring sleeve 17 is an inward shrinkage 17-1.
The magnetic core 7, the nylon positioning column 6 and the sealing cap 5 are all round bodies, the magnetic core 7, the nylon positioning column 6 and the sealing cap 5 are sequentially arranged in the magnetic core sleeve 8, the diaphragm support 3 and the diaphragm 2 are riveted together and placed in the cavity of the valve body 1, the magnetic core sleeve 8 is arranged in the protruding tube of the separation sleeve 4, the separation sleeve 4 is arranged on the diaphragm 2, the sealing cap 5 in the magnetic core sleeve 8 is arranged on the water outlet 3-1 of the diaphragm support 3, the protruding tube of the asbestos pad 20 which is sleeved on the separation sleeve 4 is arranged on the round table surface of the separation sleeve 4 and the cavity of the valve body 1, the protruding tube of the outer cover bottom plate 19-1 which is sleeved on the separation sleeve 4 is arranged on the asbestos pad 20 and the valve body 1 and fixed with the valve body 1 through screws, the lower magnetic ring 18 is arranged in the magnetic ring sleeve 17, the protruding tube of the separation sleeve 17 is sleeved on the outer cover bottom plate 19-1, the lower magnetic ring 18 corresponds to the magnetic core 7, the lower end of a magnetic ring compressing rod 14 is arranged on a lower magnetic ring 18 in a magnetic ring sleeve 17, a shrinkage port 17-1 of the magnetic ring sleeve 17 is riveted with a groove 14-1 of the magnetic ring compressing rod 14, a small spring 9 is arranged between a bulge tube of a separating sleeve 4 and the inner top wall of a cavity of the magnetic ring compressing rod 14, an upper magnetic ring 13 is sleeved on a cylinder body with small diameter of the magnetic ring compressing rod 14, a temperature sensing element 16 is sleeved on a bottom plate 19-1 of an outer cover, a soft iron ring 15 is sleeved on the magnetic ring compressing rod 14 and is arranged on the upper end of the temperature sensing element 16, the lower end of a temperature sensing glass bulb 12 is arranged in a cylinder-shaped opening with small diameter of the magnetic ring compressing rod 14, the cambered surface of the lower end of the temperature sensing glass bulb 12 is contacted and matched with a cylinder-shaped opening bevel 14-2 with small diameter, a large spring 10 is sleeved on the temperature sensing glass bulb 12 and the magnetic ring compressing rod 14, and the bottom end of the large spring 10 is arranged on the soft iron ring 15, the outer cover 19-2 is buckled on the outer cover bottom plate 19-1 and is fixed with the outer cover bottom plate 19-1, the upper end of the large spring 10 in the outer cover 19-2 is contacted with the inner top wall of the outer cover 19-2, the adjusting screw 11 is screwed in the adjusting screw hole 19-2-1 of the outer cover 19-2, and the lower end face of the adjusting screw 11 is in contact fit with the upper end of the temperature sensing glass bulb 12 by adjusting the adjusting screw 11.
The temperature-sensitive glass bulb 12 is phi 5 glass bulb.
The temperature sensing element 16 can be extended when the temperature increases and contracted when the temperature decreases, and the temperature sensing element 16 is a bulb, a memory metal, a bimetal, or another temperature sensing material, and any material that deforms by the action of temperature can be used, and the same effect can be obtained.
The application method of the temperature-sensing automatic-opening and closing rapid fire extinguishing device comprises the following steps:
the temperature-sensing automatic-opening and-closing rapid fire extinguishing device is arranged above a region with major fire safety hidden trouble, such as a liquefied gas tank, the device is 10cm away from a wall, a water inlet 1-2 of a valve body 1 of the temperature-sensing automatic-opening and-closing rapid fire extinguishing device is connected with a water source, and a water outlet 1-1 of the valve body 1 is connected with a sprinkler head through a pipeline (the sprinkler head removes original glass bubbles).
When the environmental temperature rises to 68 ℃, the temperature-sensitive glass bubbles 12 are broken under the influence of the rise of the environmental temperature, the small springs 9 push the magnetic ring pressing rods 14 to move upwards, the magnetic ring pressing rods 14 drive the upper magnetic rings 13, the lower magnetic rings 18 and the magnetic ring sleeves 17 to move upwards when moving upwards, the lower magnetic rings 18 drive the magnetic cores 7 to move upwards under the action of magnetic force, the magnetic cores 7 move upwards to drive the magnetic core sleeves 8, the nylon positioning columns 6 and the sealing caps 5 to move upwards, the sealing caps 5 are separated from the water outlet holes 3-1 of the diaphragm support pieces 3, water in the cavities between the diaphragm support pieces 3 and the separation sleeves 4 is rapidly discharged through the water outlet holes 3-1, the cavity water pressure between the diaphragm support pieces and the separation sleeves 4 is smaller than the water pressure of the water inlet holes 1-2, the diaphragm 2 deforms under the action of the water pressure, the diaphragm support pieces 3 move upwards, the water enters the water spraying nozzle to spray under the action of the water, at the same time, the temperature-sensitive elements 16 start to stretch to compress the large springs 10 through the soft iron rings 15 when the environmental temperature reaches 58 ℃, and finally the soft iron rings 15 are sucked together with the upper magnetic rings 13 under the action of magnetic force.
When fire is extinguished, the surrounding environment temperature is reduced, the temperature sensing element 16 automatically contracts and elasticity is reduced, the soft iron ring 15 descends under the action of the pressure of the large spring 10, the soft iron ring 15 drives the upper magnetic ring 13 to descend under the action of magnetic force, the upper magnetic ring 13 descends to enable the magnetic ring compacting rod 14, the magnetic ring sleeve 17 and the lower magnetic ring 18 to descend, the lower magnetic ring 18 descends to drive the magnetic core 7 to descend under the action of the magnetic force of the lower magnetic ring 18 and the magnetic core 7, the magnetic core 7 drives the magnetic core sleeve 8, the positioning column 6 and the sealing cap 5 to descend, the sealing cap 5 blocks the water outlet hole 3-1 of the membrane support 3, water enters the cavity between the separation sleeve 4 and the membrane support 3 through the water outlet hole 3-2, the cavity pressure between the separation sleeve 4 and the membrane support 3 is increased, the membrane 2 is pressed to descend with the membrane support 3, the membrane 2 is restored to the original state, and the device is closed to stop water spraying.
When a fire disaster occurs again, the temperature sensing element 16 stretches to drive the soft iron ring 15 to move upwards, the soft iron ring 15 drives the upper magnetic ring 13 to move upwards under the action of magnetic force, the upper magnetic ring 13 drives the magnetic ring pressing rod 14, the lower magnetic ring 18 and the magnetic ring sleeve 17 to move upwards when moving upwards, the lower magnetic ring 18 drives the magnetic core 7 to move upwards under the action of magnetic force, the magnetic core 7 moves upwards to drive the magnetic core 8, the nylon positioning column 6 and the sealing cap 5 to move upwards, so that the sealing cap 5 is separated from the water outlet 3-1 of the diaphragm support 3, water in a cavity between the diaphragm support 3 and the separation sleeve 4 is rapidly discharged through the water outlet 3-1, the cavity water pressure between the diaphragm support and the separation sleeve 4 is smaller than the water pressure of the water inlet 1-2, the diaphragm 2 deforms under the action of the water pressure, and meanwhile the diaphragm support 3 moves upwards, and the water enters the sprinkler head through the valve body 1 to extinguish the fire again.
Claims (2)
1. The temperature-sensing automatic opening and closing rapid fire extinguishing device comprises a valve body (1), a diaphragm (2), a diaphragm support piece (3), a separation sleeve (4), a sealing cap (5), a magnetic core (7), a magnetic core sleeve (8), a small spring (9), a large spring (10), an upper magnetic ring (13), a temperature sensing element (16), a lower magnetic ring (18) and an outer cover (19); the method is characterized in that: the device also comprises a nylon positioning column (6), an adjusting screw (11), a temperature sensing glass bulb (12), a magnetic ring pressing rod (14), a soft iron ring (15), a magnetic ring sleeve (17) and an asbestos pad (20);
the outer cover (19) consists of an outer cover bottom plate (19-1) and an outer cover shell (19-2), and an adjusting screw hole (19-2-1) with internal threads is formed in the upper end face of the outer cover shell (19-2);
the magnetic ring pressing rod (14) is composed of a large-diameter cylinder body and a small-diameter cylinder body which are integrated, a circle of grooves (14-1) are formed in the periphery of the large-diameter cylinder body, a small-diameter cylinder-shaped opening is a bevel opening (14-2), and the lower end of the bevel opening (14-2) is a blind hole (14-3);
the magnetic ring sleeve (17) is an annular body, and the upper opening of the magnetic ring sleeve (17) is an inward shrinkage opening (17-1);
the magnetic core (7), the nylon Long Dingwei column (6) and the sealing cap (5) are all round bodies, the magnetic core (7), the nylon Long Dingwei column (6) and the sealing cap (5) are sequentially arranged in the magnetic core sleeve (8), the diaphragm support (3) and the diaphragm (2) are riveted together and placed in the cavity of the valve body (1), the magnetic core sleeve (8) is arranged in the protruding pipe of the separating sleeve (4), the separating sleeve (4) is arranged on the diaphragm (2), the sealing cap (5) in the magnetic core sleeve (8) is arranged on the water outlet (3-1) of the diaphragm support (3), the protruding pipe of the separating sleeve (4) is arranged on the round table surface of the separating sleeve (4) and the cavity of the valve body (1), the protruding pipe of the outer cover bottom plate (19-1) is arranged on the asbestos pad (20) and the valve body (1) and fixed together with the valve body (1), the lower magnetic ring (18) is arranged in the separating sleeve (17), the upper magnetic ring (17) is arranged on the magnetic ring (17) of the separating sleeve (4), the lower magnetic ring (17) is arranged on the magnetic ring (17) and the lower magnetic ring (18) is arranged on the magnetic ring (17) and corresponds to the lower magnetic ring (18), the shrinkage port (17-1) of the magnetic ring sleeve (17) is riveted with the groove (14-1) of the magnetic ring pressing rod (14), a small spring (9) is arranged between the bulge tube of the separation sleeve (4) and the inner top wall of the cavity of the magnetic ring pressing rod (14), the upper magnetic ring (13) is sleeved on the cylinder body with small diameter of the magnetic ring pressing rod (14), the heat sensing element (16) is sleeved on the bottom of the magnetic ring sleeve (17) and is arranged on the bottom plate (19-1) of the outer cover, the soft iron ring (15) is sleeved on the upper end of the heat sensing element (16), the lower end of the heat sensing glass bulb (12) is arranged in the cylinder-shaped port with small diameter of the magnetic ring pressing rod (14), the cambered surface of the lower end of the heat sensing glass bulb (12) is in contact fit with the inclined port (14-2) with the cylinder-shaped port with small diameter, the bottom end of the large spring (10) is sleeved on the soft iron ring (15), the bottom plate (19-2) of the outer cover (19-1) is buckled on the bottom plate (19-2) and is in contact with the upper end of the outer cover (19-2) of the outer cover (19) and is in contact with the upper end of the outer cover (19-2), the adjusting screw (11) is in threaded connection in an adjusting screw hole (19-2-1) of the outer cover shell (19-2), and the lower end face of the adjusting screw (11) is in contact fit with the upper end face of the temperature sensing glass bulb (12) through the adjusting screw (11);
the temperature-sensitive element (16) can be extended when the temperature increases and can be contracted when the temperature decreases.
2. A method for using the temperature-sensing automatic-opening and closing rapid fire extinguishing device as claimed in claim 1, which is characterized by comprising the following steps:
the temperature-sensing automatic opening and closing rapid fire extinguishing device is arranged above a fire safety hidden trouble area, a water inlet (1-2) of a valve body (1) of the temperature-sensing automatic opening and closing rapid fire extinguishing device is connected with a water source, a water outlet (1-1) of the valve body (1) is connected with a sprinkler head through a pipeline, when the ambient temperature rises to 68 ℃, a temperature sensing glass bubble (12) is broken under the influence of the ambient temperature rise when a fire occurs, a small spring (9) pushes a magnetic ring hold-down rod (14) to move upwards, the magnetic ring hold-down rod (14) drives an upper magnetic ring (13), a lower magnetic ring (18) and a magnetic ring sleeve (17) to move upwards, the lower magnetic ring (18) drives a magnetic core (7) to move upwards under the action of magnetic force, the magnetic core sleeve (8), a nylon Long Dingwei column (6) and a sealing cap (5) to separate water outlet holes (3-1) of a sealing cap (5) from a membrane support piece (3), water in a cavity between the membrane support piece (3) and a separation sleeve (4) is rapidly discharged through the water outlet holes (3-1) to enable water in the cavity between the membrane support piece and the membrane support piece (4) to move upwards, and the water pressure in the water sprinkling sleeve (1) to move upwards under the action of the water sprinkling head (2) and the water pressure of the water sprinkling device is deformed under the action of the water sprinkling device (1), simultaneously, when the ambient temperature reaches 68 ℃, the temperature sensing element (16) starts to extend and compress the large spring (10) through the soft iron ring (15), and finally the soft iron ring (15) and the upper magnetic ring (13) are attracted together under the action of magnetic force;
when fire is extinguished, when the ambient temperature is reduced to 45 ℃, the temperature sensing element (16) automatically contracts and elasticity is reduced, the soft iron ring (15) is lowered under the action of the pressure of the large spring (10), the soft iron ring (15) drives the upper magnetic ring (13) to be lowered under the action of magnetic force, the upper magnetic ring (13) is lowered to enable the magnetic ring pressing rod (14), the magnetic ring sleeve (17) and the lower magnetic ring (18) to be lowered, the lower magnetic ring (18) is lowered to drive the magnetic core (7) to be lowered under the action of the magnetic force of the lower magnetic ring (18) and the magnetic core (7), the magnetic core (7) drives the magnetic core sleeve (8), the nylon Long Dingwei column (6) and the sealing cap (5) to descend, the sealing cap (5) blocks the water outlet hole (3-1) of the membrane support (3), water flows into the cavity between the separation sleeve (4) and the membrane support (3) through the water inlet hole (3-2), so that the pressure of the cavity between the separation sleeve (4) and the membrane support (3) is increased, the membrane (2) and the membrane support (3) are pressed to descend, the membrane (2) is restored to the original state, and the device is closed to stop spraying water;
when a fire disaster occurs again, the temperature sensing element (16) stretches to drive the soft iron ring (15) to move upwards, the soft iron ring (15) drives the upper magnetic ring (13) to move upwards under the action of magnetic force, the upper magnetic ring (13) drives the magnetic ring pressing rod (14), the lower magnetic ring (18) and the magnetic ring sleeve (17) to move upwards when moving upwards, the lower magnetic ring (18) drives the magnetic core (7) to move upwards under the action of magnetic force, the magnetic core (7) moves upwards to drive the magnetic core sleeve (8), the Ni Long Dingwei column (6) and the sealing cap (5) to move upwards, the sealing cap (5) is separated from the water outlet (3-1) of the membrane support (3), water in a cavity between the membrane support (3) and the separation sleeve (4) is rapidly discharged through the water outlet (3-1), the cavity water pressure between the membrane support and the separation sleeve (4) is smaller than the water pressure of the water inlet (1-2), the membrane support (3) moves upwards when deforming under the action of the magnetic force, and water is sprayed into the water spray nozzle again through the valve body (1).
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|---|---|---|---|
| CN201811124101.4A CN109173131B (en) | 2018-09-26 | 2018-09-26 | Temperature-sensing automatic-opening and closing rapid fire extinguishing device and use method thereof |
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| CN201811124101.4A CN109173131B (en) | 2018-09-26 | 2018-09-26 | Temperature-sensing automatic-opening and closing rapid fire extinguishing device and use method thereof |
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| CN109173131A CN109173131A (en) | 2019-01-11 |
| CN109173131B true CN109173131B (en) | 2023-08-04 |
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|---|---|
| CN109173131A (en) | 2019-01-11 |
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