CN111701177B - Indoor full-automatic telescopic fire extinguishing nozzle - Google Patents
Indoor full-automatic telescopic fire extinguishing nozzle Download PDFInfo
- Publication number
- CN111701177B CN111701177B CN202010592130.4A CN202010592130A CN111701177B CN 111701177 B CN111701177 B CN 111701177B CN 202010592130 A CN202010592130 A CN 202010592130A CN 111701177 B CN111701177 B CN 111701177B
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- fire
- fire extinguishing
- extinguishing nozzle
- cavity
- pressure
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- 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
- A62C37/16—Releasing means, e.g. electrically released heat-sensitive with thermally-expansible links
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Nozzles (AREA)
Abstract
The invention discloses an indoor full-automatic telescopic fire extinguishing nozzle which comprises a fire extinguishing nozzle body arranged on a wall top in a sliding mode, wherein a water pressure cavity and a thermal induction cavity are formed in the fire extinguishing nozzle body, a fire fighting water pipe is inserted into the upper end of the fire extinguishing nozzle body in a sliding mode, the lower end of the fire fighting water pipe extends into the water pressure cavity and is sleeved with a sealing sliding plug, and a limiting ring is arranged on the inner wall of the lower end opening of the fire fighting water pipe. According to the invention, the pressure difference is formed between the pressure of the thermal expansion liquid in the thermal sensing cavity and the pressure of the water in the fire hose through the condensation, pressure reduction, evaporation and pressurization functions of the thermal expansion liquid, the pressure difference realizes the opening and closing of the fire hose by the rubber ball through the linkage rod and the piston, the functions of automatic fire extinguishing and automatic recovery are realized, water resources are saved, and the device can be repeatedly used.
Description
Technical Field
The invention relates to the field of fire safety, in particular to an indoor full-automatic telescopic fire extinguishing nozzle.
Background
When the building is constructed and used, qualified fire control inspection is required, and the most common automatic fire extinguishing of building fire control is the fire extinguishing nozzle on the top of the wall.
The existing fire extinguishing nozzle opens a fire hose through thermal induction expansion crushing, so that water in the fire hose sprays to extinguish fire, but the water cannot be recovered after crushing, the fire extinguishing nozzle can be closed by turning off a main fire water valve after the fire is extinguished, water resources are greatly wasted, and the fire extinguishing nozzle cannot be reused.
Disclosure of Invention
The invention aims to solve the defects that water cannot be directly cut off after being crushed, water resources are wasted and the fire extinguishing nozzle cannot be reused in the prior art, and provides an indoor full-automatic telescopic fire extinguishing nozzle.
In order to achieve the purpose, the invention adopts the following technical scheme:
an indoor full-automatic telescopic fire extinguishing nozzle comprises a fire extinguishing nozzle which is slidably mounted on a wall top, wherein a water pressure cavity and a thermal induction cavity are formed in the fire extinguishing nozzle, a fire-fighting water pipe is slidably inserted into the upper end of the fire extinguishing nozzle, the lower end of the fire-fighting water pipe extends into the water pressure cavity and is sleeved with a sealing sliding plug, a limiting ring is mounted on the inner wall of the lower end opening of the fire-fighting water pipe, a plurality of drainage grooves are symmetrically formed in the fire extinguishing nozzle in a rotating mode, each drainage groove is communicated with the water pressure cavity, a plurality of spray holes are symmetrically formed in the side wall of the lower end of the fire extinguishing nozzle in a rotating mode, and the spray holes are communicated with corresponding side drainage grooves;
thermal induction intracavity slidable mounting has the piston, the gangbar is installed to the upper end of piston, the upper end of gangbar extends to in the fire hose of water pressure intracavity and installs the glueballs, the lower extreme that is located the piston in the thermal induction intracavity is injected into and is had thermal expansion liquid, it is equipped with the thermal induction board to inlay on the diapire of shower nozzle of putting out a fire, the heat conduction stick is installed to the upper end of thermal induction board, the upper end of heat conduction stick extends to the thermal induction intracavity.
Preferably, the rubber ball is positioned above the limiting ring, and the diameter of the rubber ball is larger than the inner diameter of the limiting ring and smaller than the inner diameter of the fire-fighting water pipe;
under normal conditions, the rubber ball receives water pressure in the fire hose to block up the spacing ring downwards, namely makes the water in the fire hose can not discharge, guarantees the stability of normal use.
Preferably, the upper end of the heat conducting rod is positioned in the thermal expansion liquid below the piston;
when a fire disaster occurs, the air temperature rises, the heat sensing plate transfers heat to thermal expansion liquid in the thermal sensing cavity through the heat conducting rod, the thermal expansion liquid is heated and rapidly gasified and expanded, so that the pressure below the piston is increased, when the expanded pressure is greater than the water pressure, the piston pushes the rubber ball to move upwards in the fire hose through the linkage rod, the limiting ring is opened, water is sprayed out from the fire hose into the water pressure cavity, the water pressure in the water pressure cavity is increased, so that the water pressure pushes the fire extinguishing nozzle to move downwards, the fire extinguishing nozzle moving downwards exposes the spray hole, and the water is sprayed out from the spray hole along the drainage groove under the action of the pressure to extinguish the fire, so that the fire is realized;
after a fire disaster is extinguished, the air temperature is gradually reduced, the temperature of the thermal induction plate is reduced by transmitting the thermal expansion liquid to the thermal expansion liquid through the heat conduction rod, the gasified thermal expansion liquid is gradually liquefied, the pressure of the thermal expansion liquid is reduced, then the water pressure is greater than the pressure at the thermal expansion liquid, the rubber ball moves down to block the limiting ring to stop water flow, the thermal expansion liquid is condensed to form a negative pressure pulling piston, the piston is connected with the linkage rod and cannot move down, then the negative pressure suction force drives the fire extinguishing nozzle to move upwards, the fire extinguishing nozzle stops and retracts into the wall top, automatic extension fire extinguishing during fire extinguishing of the fire extinguishing nozzle is realized, water is automatically turned off and retracts during fire extinguishing, the fire extinguishing head can be repeatedly used, the waste of water resources can be reduced, and the retracted fire extinguishing nozzle ensures the smoothness of the wall surface and is convenient to clean.
The invention has the following beneficial effects:
1. establish in spacing intra-annular jam fire hose through the stopper under hydraulic effect of gluey ball, guarantee the stability under the normal condition, and the fixed length that gluey ball passes through gangbar and piston makes the shower nozzle of putting out a fire inlay under the normal condition in the wall crown, guarantees the planarization of wall, is convenient for clean.
2. The thermal expansion liquid is heated and then gasified, expanded and pressurized, so that the pressure in the thermal induction cavity is greater than the water pressure, the rubber ball is pushed by the piston and the linkage rod to move upwards to open the fire-fighting water pipe, and the fire-fighting water pipe generates pressure in the water pressure cavity after water flows out to push the fire-fighting nozzle out of the wall top to spray and extinguish fire, thereby realizing the function of automatic fire extinguishing in flood.
3. The thermal expansion liquid through gasification is liquefied and decompressed after being cooled, so that the pressure in the thermal induction cavity is smaller than water pressure, the water pressure pushes the rubber ball to move down to block the fire-fighting water pipe, the pressure reduced in the thermal induction cavity pulls the fire-fighting nozzle to slide into the wall top through the connection of the piston, the linkage rod and the rubber ball, the function of automatically stopping water during fire extinguishing is realized, the fire-fighting nozzle can be repeatedly used, and water resources are saved.
In conclusion, the pressure difference is formed by the pressure of the thermal expansion liquid in the thermal sensing cavity and the water pressure in the fire water pipe through the condensation, pressure reduction, evaporation and pressurization functions of the thermal expansion liquid, the fire water pipe is opened and closed by the rubber ball through the pressure difference through the linkage rod and the piston, the functions of automatic fire extinguishing and automatic recovery are realized, water resources are saved, and the thermal expansion liquid can be reused.
Drawings
FIG. 1 is a schematic structural view of an indoor fully automatic retractable fire-extinguishing nozzle according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic view of the working state of an indoor fully-automatic telescopic fire-extinguishing nozzle provided by the invention.
In the figure: the fire extinguishing system comprises a fire extinguishing nozzle 1, a heat sensing plate 11, a 111 heat conducting rod, a hydraulic pressure cavity 2, a heat sensing cavity 3, a piston 31, a linkage rod 32, a rubber ball 321, a fire fighting water pipe 4, a sealing sliding plug 41, a limiting ring 42, a drainage groove 5 and a spray hole 51.
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.
Referring to fig. 1-3, an indoor full-automatic telescopic fire-extinguishing nozzle comprises a fire-extinguishing nozzle 1 slidably mounted on a wall top, a water pressure cavity 2 and a thermal induction cavity 3 are formed in the fire-extinguishing nozzle 1, a fire-fighting water pipe 4 is slidably inserted into the upper end of the fire-extinguishing nozzle 1, the lower end of the fire-fighting water pipe 4 extends into the water pressure cavity 2 and is sleeved with a sealing sliding plug 41, a limiting ring 42 is mounted on the inner wall of the lower end opening of the fire-fighting water pipe 4, a plurality of drainage grooves 5 are symmetrically formed in the fire-extinguishing nozzle 1 in a rotating manner, each drainage groove 5 is communicated with the water pressure cavity 2, a plurality of spray holes 51 are symmetrically formed in the side wall of the lower end of the fire-extinguishing nozzle 1, and the spray holes 51 are communicated with the corresponding side drainage grooves 5;
a piston 31 is arranged in the thermal induction cavity 3 in a sliding mode, a linkage rod 32 is arranged at the upper end of the piston 31, the upper end of the linkage rod 32 extends into the fire hose 4 in the hydraulic cavity 2 and is provided with a rubber ball 321, thermal expansion liquid 33 is injected into the lower end of the piston 31 in the thermal induction cavity 3, a thermal induction plate 11 is embedded on the bottom wall of the fire extinguishing nozzle 1, a heat conduction rod 111 is arranged at the upper end of the thermal induction plate 11, and the upper end of the heat conduction rod 111 extends into the thermal induction cavity 3.
Preferably, the rubber ball 321 is located above the limiting ring 42, and the diameter of the rubber ball 321 is larger than the inner diameter of the limiting ring 42 and smaller than the inner diameter of the fire hose 4;
under normal conditions, rubber ball 321 receives the pressure of fire hose 4 internal water to block up spacing ring 42 down, namely makes the water in fire hose 4 can not discharge, guarantees the stability of normal use.
The upper end of the heat conducting rod 111 is positioned in the thermal expansion liquid 33 below the piston 31;
when a fire disaster occurs, the air temperature rises, the thermal sensing plate 11 transfers heat to the thermal expansion liquid 33 in the thermal sensing cavity 3 through the heat conducting rod 111, the thermal expansion liquid 33 is heated and rapidly gasified and expands, so that the pressure below the piston 31 is increased, when the expanded pressure is greater than the water pressure, the piston 31 pushes the rubber ball 321 to move upwards in the fire-fighting water pipe 4 through the linkage rod 32, the limiting ring 42 is opened, so that water is sprayed out from the fire-fighting water pipe 4 into the water pressure cavity 2, the water pressure in the water pressure cavity 2 is increased, so that the water pressure pushes the fire-fighting nozzle 1 to move downwards, the fire-fighting nozzle 1 moving downwards exposes the spray holes 51, and the water is sprayed out from the spray holes 51 along the drainage groove 5 under the pressure to extinguish the fire, so that the function of fire is realized;
after a fire is extinguished, the air temperature gradually drops, the temperature of the thermal sensing plate 11 transferred to the thermal expansion liquid 33 through the heat conducting rod 111 is reduced, the gasified thermal expansion liquid 33 is gradually liquefied, the pressure of the thermal expansion liquid 33 is reduced, then the water pressure is greater than the pressure at the thermal expansion liquid 33 at the moment, the rubber ball 321 moves down to block the limiting ring 42 to stop the water flow, at the moment, the thermal expansion liquid 33 is condensed to form a negative pressure to pull the piston 31, because the piston 31 is connected with the linkage rod 32, the piston 31 cannot move down, the negative pressure suction drives the fire extinguishing nozzle 1 to move upwards, so that the fire extinguishing nozzle 1 stops and retracts into the wall top, the fire extinguishing nozzle 1 automatically stretches out to extinguish a fire when the fire is extinguished, and the water is automatically turned off to retract when the fire extinguishing head is extinguished, namely, the fire extinguishing head can be reused, the waste of water resources can be reduced, and the retracted fire extinguishing nozzle 1 ensures the smoothness of the wall surface and is convenient to clean.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. An indoor full-automatic telescopic fire extinguishing nozzle comprises a fire extinguishing nozzle (1) which is slidably mounted on a wall top, and is characterized in that a water pressure cavity (2) and a thermal induction cavity (3) are formed in the fire extinguishing nozzle (1), a fire fighting water pipe (4) is slidably inserted into the upper end of the fire extinguishing nozzle (1), the lower end of the fire fighting water pipe (4) extends into the water pressure cavity (2) and is sleeved with a sealing sliding plug (41), a limiting ring (42) is mounted on the inner wall of the lower end opening of the fire fighting water pipe (4), a plurality of drainage grooves (5) are symmetrically formed in the fire extinguishing nozzle (1) in a rotating manner, each drainage groove (5) is communicated with the water pressure cavity (2), a plurality of spray holes (51) are symmetrically formed in the side wall of the lower end of the fire extinguishing nozzle (1), and the spray holes (51) are communicated with the corresponding side drainage grooves (5);
a piston (31) is slidably mounted in the thermal induction cavity (3), a linkage rod (32) is mounted at the upper end of the piston (31), the upper end of the linkage rod (32) extends into the fire hose (4) in the hydraulic pressure cavity (2) and is provided with a rubber ball (321), thermal expansion liquid (33) is injected into the lower end of the piston (31) in the thermal induction cavity (3), a thermal induction plate (11) is embedded on the bottom wall of the fire extinguishing nozzle (1), a heat conduction rod (111) is mounted at the upper end of the thermal induction plate (11), and the upper end of the heat conduction rod (111) extends into the thermal induction cavity (3);
the rubber ball (321) is positioned above the limiting ring (42), and the diameter of the rubber ball (321) is larger than the inner diameter of the limiting ring (42) and smaller than the inner diameter of the fire-fighting water pipe (4).
2. An indoor fully automatic telescopic fire sprinkler head according to claim 1, characterized in that the upper end of the heat conducting rod (111) is located in the thermal expansion liquid (33) below the piston (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592130.4A CN111701177B (en) | 2020-06-25 | 2020-06-25 | Indoor full-automatic telescopic fire extinguishing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592130.4A CN111701177B (en) | 2020-06-25 | 2020-06-25 | Indoor full-automatic telescopic fire extinguishing nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN111701177A CN111701177A (en) | 2020-09-25 |
| CN111701177B true CN111701177B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010592130.4A Active CN111701177B (en) | 2020-06-25 | 2020-06-25 | Indoor full-automatic telescopic fire extinguishing nozzle |
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| CN (1) | CN111701177B (en) |
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| CN112245830A (en) * | 2020-10-21 | 2021-01-22 | 武顺吉 | Fire extinguishing equipment for cloud computing big data computer room |
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| CN112439149B (en) * | 2020-11-16 | 2021-11-26 | 南京涵铭置智能科技有限公司 | Portable fireproof automatic sprayer |
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| CN112774063B (en) * | 2020-12-30 | 2021-10-26 | 国网山东省电力公司高青县供电公司 | Electric power supply equipment with fire extinguishing function |
| CN112957644B (en) * | 2021-02-03 | 2022-01-28 | 张春富 | Unattended gas collecting station monitoring device and monitoring method |
| CN113244554B (en) * | 2021-05-18 | 2022-06-14 | 扬州市海纳源科技服务有限责任公司 | Mechanical embedded fire sprinkler head |
| CN113926116B (en) * | 2021-11-10 | 2022-08-02 | 安徽继远软件有限公司 | Emergency fire-fighting system suitable for electric power scene |
| CN114470597A (en) * | 2021-12-20 | 2022-05-13 | 大连万达集团股份有限公司 | Fire-fighting water pressure monitoring system and working method thereof |
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| US3872928A (en) * | 1974-05-07 | 1975-03-25 | Factory Mutual Res Corp | Fluid discharge assembly having a tiltable discharge portion and a discharge control system incorporating a plurality of said assemblies |
| CN204073217U (en) * | 2014-08-22 | 2015-01-07 | 晋江市文生五金冲件有限公司 | A kind of spiral water atomizer that can stretch |
| CN109568860A (en) * | 2018-12-26 | 2019-04-05 | 微山宏瑞电力科技有限公司 | A kind of intelligent water sprinkling spray head |
| CN110812755A (en) * | 2019-11-11 | 2020-02-21 | 饶杨扬 | Fire-fighting floor tile |
| CN210583440U (en) * | 2019-05-21 | 2020-05-22 | 北京优航机电技术有限公司 | Automatic retractable spray head |
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2020
- 2020-06-25 CN CN202010592130.4A patent/CN111701177B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3872928A (en) * | 1974-05-07 | 1975-03-25 | Factory Mutual Res Corp | Fluid discharge assembly having a tiltable discharge portion and a discharge control system incorporating a plurality of said assemblies |
| CN204073217U (en) * | 2014-08-22 | 2015-01-07 | 晋江市文生五金冲件有限公司 | A kind of spiral water atomizer that can stretch |
| CN109568860A (en) * | 2018-12-26 | 2019-04-05 | 微山宏瑞电力科技有限公司 | A kind of intelligent water sprinkling spray head |
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| CN110812755A (en) * | 2019-11-11 | 2020-02-21 | 饶杨扬 | Fire-fighting floor tile |
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| CN111701177A (en) | 2020-09-25 |
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Effective date of registration: 20211103 Address after: 252000 room 402, 4th floor, cross border e-commerce Industrial Park, East Ring Road and South Hunan Road, Xuying Town, high tech Zone, Liaocheng City, Shandong Province Applicant after: Liaocheng Hange Intelligent Technology Co.,Ltd. Address before: 267 Haihe East Road, Nanguan, Qi County, Kaifeng City, Henan Province Applicant before: Wang Enguang |
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