CN215427095U

CN215427095U - Fire-fighting engineering sprays fire extinguishing systems

Info

Publication number: CN215427095U
Application number: CN202121708964.3U
Authority: CN
Inventors: 林宝华; 马维
Original assignee: Beijing Zhongshan Fire Security Technology Co ltd
Current assignee: Beijing Zhongshan Fire Security Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-07
Anticipated expiration: 2031-07-26

Abstract

The application relates to the technical field of fire engineering, in particular to a fire engineering spraying fire extinguishing system, which comprises a water supply system and a spraying head connected with the water supply system; the shower head is provided with a plurality ofly, the shower head includes the water pipe of being connected with water supply system, sets up at the inside control assembly of water pipe, sets up the shower nozzle in the water pipe exit and be used for the determine module that drive control assembly removed, shower nozzle and determine module all set up on indoor ceiling. After the fire disaster is relieved, the detection assembly drives the control assembly to work, and the control assembly blocks the spray head and the water pipe, so that the spray head is controlled to stop spraying water, and the water saving effect is achieved.

Description

Fire-fighting engineering sprays fire extinguishing systems

Technical Field

The application relates to the technical field of fire engineering, in particular to a fire engineering spraying fire extinguishing system.

Background

The fire-fighting spraying system is a fire-fighting device, is a fixed fire-fighting facility with wide application, and has the characteristics of low price, high fire-fighting efficiency and the like. The device can be divided into two forms of manual control and automatic control according to different functions. The system is provided with the alarm device, can automatically send out an alarm when a fire disaster occurs, and the automatically controlled fire-fighting spraying system can automatically spray and work in linkage with other fire-fighting facilities, so that the initial fire disaster can be effectively controlled and extinguished.

With respect to the related art among the above, the inventors consider that there is a defect: when a fire disaster occurs, the glass bubbles at the outlet of the fire sprinkler head in the related technology are exploded, the fire sprinkler head starts to spray water, after the fire disaster is extinguished, the glass bubbles are broken, so that the fire sprinkler system continuously sprays water until new glass bubbles are installed again, and the fire sprinkler head always sprays water in the process, so that the waste of water resources is caused.

SUMMERY OF THE UTILITY MODEL

In order to be able to control the fire sprinkler head to spray water, the application provides fire-fighting engineering spraying fire extinguishing system for water economy resource.

The application provides a fire-fighting engineering sprays fire extinguishing systems adopts following technical scheme:

a fire-fighting engineering spray fire-extinguishing system comprises a water supply system and a spray header connected with the water supply system; the shower head is provided with a plurality ofly, the shower head includes the water pipe of being connected with water supply system, sets up at the inside control assembly of water pipe, sets up the shower nozzle in the water pipe exit and be used for the determine module that drive control assembly removed, shower nozzle and determine module all set up on indoor ceiling.

Through adopting above-mentioned technical scheme, set up determine module and shower nozzle on indoor ceiling, when the conflagration appears in the room, determine module detects the conflagration, determine module drive control subassembly work, determine module is with shower nozzle and water piping connection, water supply system leads to pipe and provides the water that has certain pressure to the shower nozzle, the shower nozzle is with water blowout, thereby water out the conflagration, after the conflagration is relieved, determine module drive control subassembly work, determine module blocks shower nozzle and water pipe, thereby control nozzle makes it stop to spray water, and then reach the effect of water conservation.

Optionally, the detection assembly comprises an electromagnet fixedly connected to the top of the ceiling and a normally open switch fixedly connected to the bottom of the ceiling, the normally open switch is arranged on a power supply loop of the electromagnet, and the electromagnet is fixedly connected to one side of the control assembly.

By adopting the technical scheme, when no fire disaster occurs, the normally open switch is in a disconnected state, the electromagnet is powered off, the control assembly is in a state of blocking the spray head and the water pipe, when the fire disaster occurs, the normally open switch is closed, the electromagnet is powered on, and the electromagnet drives the control assembly, so that the spray head is connected with the water pipe, and the spray head sprays water to extinguish the fire; after the fire is relieved, the normally open switch is switched off, the electromagnet is powered off, the control assembly blocks the spray head and the water pipe again, and the spray head stops spraying water.

Optionally, the normally open switch includes a mounting seat fixedly connected to the lower surface of the ceiling, and a fixed contact plate and a bimetallic strip fixedly connected to the mounting seat; the fixed contact plate is not in contact with the bimetallic strip, the bimetallic strip comprises two metal plates with different thermal expansion coefficients, and the metal plate with the smaller thermal expansion coefficient is close to the fixed contact plate.

Through adopting above-mentioned technical scheme, after the conflagration takes place, indoor temperature rises, and the bimetallic strip is heated the inflation, because the thermal expansion coefficient of two sheetmetals is different, leads to the bimetallic strip to take place the bending, makes bimetallic strip and fixed touch panel contact to the power supply loop of UNICOM electro-magnet makes the electro-magnet get electric, and after the conflagration was relieved, indoor temperature recovery was normal, the bimetallic strip reconversion, bimetallic strip and fixed touch panel separation, electro-magnet loses the electricity.

Optionally, the detection assembly includes a dust cover fixedly connected to the mounting base, and the fixed contact plate and the bimetallic strip are disposed inside the dust cover.

Through adopting above-mentioned technical scheme, the dust cover covers fixed touch panel and bimetallic strip, has reduced the contact of fixed touch panel and bimetallic strip and external environment, reduces the deposition on fixed touch panel and the bimetallic strip, makes fixed touch panel and bimetallic strip be in comparatively sensitive state to guarantee the sensitivity of this application system.

Optionally, the control assembly comprises a sleeve fixedly connected to the water pipe and a sliding rod slidably connected to the inside of the sleeve; the sleeve pipe is close to the inside spout that is provided with of one end of electro-magnet, the inside of spout is provided with the spring, fixedly connected with solid fixed ring on the side of slide bar, gu fixed ring sets up the inside at the spout, the one end butt of spring is on solid fixed ring, and the other end butt is on the inner wall of spout.

Through adopting above-mentioned technical scheme, after the electro-magnet got the electricity, the electro-magnet attracts the slide bar, and the slide bar is at the solid fixed ring compression spring of gliding in-process, and the slide bar is after the slip, shower nozzle and water pipe intercommunication, and water supply system leads to pipe to supply water to the shower nozzle, and after the electro-magnet loses the electricity, the electro-magnet is not attracting the slide bar, and the slide bar resets under the effect of spring to block shower nozzle and water pipe, the shower nozzle stops the water spray during.

Optionally, the sleeve and the sliding rod are opposite to the electromagnet.

Optionally, a water through hole is formed in one end, close to the water pipe, of the sliding rod, the water through hole is located on one side, far away from the electromagnet, of the water pipe, when the electromagnet is not powered on, the water through hole is not overlapped with the water pipe, and when the electromagnet is powered on, the water through hole is overlapped with the water pipe.

By adopting the technical scheme, after the electromagnet is powered on, the sliding rod slides, after the sliding rod is stable, the water through hole is superposed with the water pipe, so that the spray head is communicated with the water pipe, and after the electromagnet is powered off, the sliding rod is reset under the action of the spring, so that the water through hole and the water pipe are staggered, and the water pipe and the spray head are blocked.

Optionally, a sealing ring is fixedly connected to a connection position of the water pipe and the sleeve.

Through adopting above-mentioned technical scheme, the sealing washer can be plugged up the gap between slide bar and the water pipe, increases the leakproofness of this application system, avoids the sleeve to leak.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the detection assembly and the spray head are arranged on an indoor ceiling, when a fire disaster occurs indoors, the detection assembly detects the fire disaster, the detection assembly drives the control assembly to work, the control assembly connects the spray head with the water pipe, a water supply system provides water with certain pressure to the spray head through the water pipe, the spray head sprays out the water, so that the fire disaster is extinguished, after the fire disaster is relieved, the detection assembly drives the control assembly to work, the control assembly blocks the spray head and the water pipe, so that the spray head is controlled to stop spraying the water, and the effect of saving water is achieved;

2. when a fire disaster does not happen, the normally open switch is in a disconnected state, the electromagnet is powered off, the control assembly is in a state of blocking the spray head and the water pipe, when the fire disaster happens, the normally open switch is closed, the electromagnet is powered on, the electromagnet drives the control assembly, the spray head is connected with the water pipe, and the spray head sprays water to extinguish the fire; when the fire is relieved, the normally open switch is switched off, the electromagnet is powered off, the control assembly blocks the spray head and the water pipe again, and the spray head stops spraying water;

3. after a fire disaster happens, the indoor temperature rises, the bimetallic strips are heated and expanded, and because the thermal expansion coefficients of the two metal strips are different, the bimetallic strips are bent to be in contact with the fixed contact plate, so that the power supply loop of the electromagnet is communicated to enable the electromagnet to be electrified.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a shower head in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a detection assembly in an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a control assembly in the embodiment of the present application.

Description of reference numerals: 1. a water supply system; 2. a shower head; 21. a water pipe; 211. a seal ring; 22. a control component; 221. a sleeve; 2211. a chute; 222. a slide bar; 2221. a fixing ring; 2222. a water through hole; 223. a spring; 23. a spray head; 24. a detection component; 241. an electromagnet; 242. a normally open switch; 2421. a mounting seat; 2422. fixing the touch plate; 2423. a bimetal; 243. a dust cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fire engineering sprays fire extinguishing systems. Referring to fig. 1, a fire-fighting engineering sprinkler system includes a water supply system 1 and a sprinkler head 2 connected to the water supply system 1. The spray header 2 is provided with a plurality of spray headers and is uniformly distributed in a room. The spray header 2 comprises a water pipe 21 connected with the water supply system 1, a control assembly 22 and a spray head 23 which are arranged on the water pipe 21, and a detection assembly 24 for driving the control assembly 22 to work.

The control module 22 is used for controlling whether the spray head 23 sprays water or not, and the detection module 24 is used for detecting whether a fire disaster occurs in a room or not. When no fire occurs indoors, the control component 22 blocks the spray head 23 from the water pipe 21, the spray head 23 does not spray water, after the fire occurs indoors, the detection component 24 works to drive the control component 22, the control component 22 works to communicate the spray head 23 with the water pipe 21, the water supply system 1 supplies water to the spray head 23, the spray head 23 sprays water to gradually extinguish the fire indoors, after the fire is relieved, the detection component 24 stops working, the control component 22 blocks the spray head 23 and the water pipe 21 again, and the spray head 23 does not spray water.

Referring to fig. 1 and 2, the water supply system 1 is provided on the top of a ceiling of a room, the water pipe 21 penetrates the ceiling, the spray head 23 is provided on the bottom of the ceiling, the control unit 22 is provided on the top of the ceiling, and one part of the sensing unit 24 is provided on the bottom of the ceiling and the other part is provided on the top of the ceiling.

Referring to fig. 3, the sensing assembly 24 includes an electromagnet 241 mounted on the top of the ceiling, a normally open switch 242 mounted on the bottom of the ceiling, and a dust cover 243 mounted on the normally open switch 242. The normally open switch 242 is provided in the power supply circuit of the electromagnet 241, and when the normally open switch 242 is turned off, the electromagnet 241 is not energized, and when the normally open switch 242 is turned on, the electromagnet 241 is energized to operate. The normally open switch 242 includes a mounting seat 2421 mounted on the lower surface of the ceiling using a bolt, a stationary contact 2422 mounted on the mounting seat 2421 using a bolt, and a bimetal 2423, the bimetal 2423 includes two metal pieces having different thermal expansion coefficients, and the metal piece having a lower thermal expansion coefficient is disposed on a side close to the stationary contact 2422.

When a fire disaster occurs indoors, the indoor temperature rises, the bimetallic strip 2423 expands due to heating, and due to the different thermal expansion coefficients of the two metals of the bimetallic strip 2423, the bimetallic strip 2423 expands unevenly after being heated, so that the bimetallic strip 2423 bends towards the direction of the fixed contact plate 2422, the bimetallic strip 2423 is contacted with the fixed contact plate 2422, a power supply loop of the electromagnet 241 is communicated, the electromagnet 241 is electrified, and the drive control assembly 22 works. When the indoor fire is relieved, the indoor temperature is gradually reduced, the bimetallic strip 2423 is gradually reset, the bimetallic strip 2423 is separated from the fixed contact plate 2422, the electromagnet 241 is powered off, and the driving control assembly 22 is reset.

The fixed contact plate 2422 and the bimetal strip are arranged inside the dust cover 243, the dust cover 243 is installed at the bottom of the mounting seat 2421 by using bolts, the dust cover 243 can reduce the contact between the fixed contact plate 2422 and the bimetal strip 2423 and the external environment, and the dust deposition on the fixed contact plate 2422 and the bimetal strip is reduced, so that the sensitive contact between the fixed contact plate 2422 and the bimetal strip is ensured, meanwhile, the dust cover 243 is made of good conductor materials such as metal materials, and the influence of the dust cover 243 on the sensing indoor temperature of the normally-open switch 242 is reduced.

Referring to fig. 4, the control assembly 22 includes a sleeve 221 welded with the water pipe 21, a sliding rod 222 slidably coupled inside the sleeve 221, and a spring 223 disposed inside the sleeve 221 for restoring the sliding rod 222. The sleeve 221 and the end of the sliding rod 222 are opposite to the magnetic pole of the electromagnet 241, the inner wall of the end, close to the electromagnet 241, of the sleeve 221 is provided with a sliding groove 2211, the upper side face of the sliding rod 222 is welded with a fixing ring 2221, the fixing ring 2221 is in sliding fit with the sliding groove 2211, the spring 223 is installed inside the sliding groove 2211, one end of the spring 223 abuts against the inner wall of the sliding groove 2211, and the other end of the spring 223 abuts against the fixing ring 2221. One end of the sliding rod 222, which is far away from the electromagnet 241, penetrates through the water pipe 21 and is positioned on the other side of the water pipe 21, which is far away from the electromagnet 241, a water supply hole is formed in the end part, which is far away from the electromagnet 241, of the sliding rod 222, and a sealing ring 211 is installed at the communication part of the water pipe 21 and the sleeve 221.

When the electromagnet 241 is powered on, the electromagnet 241 attracts the sliding rod 222 to slide, when the sliding rod 222 is stabilized, the water through hole 2222 on the sliding rod 222 overlaps with the water pipe 21, so that the spray head 23 is communicated with the water supply system 1, and the spray head 23 sprays water, when the electromagnet 241 is powered off, the sliding rod 222 is reset under the action of the spring 223, the water through hole 2222 does not overlap with the water pipe 21, the sliding rod 222 blocks the spray head 23 from the water supply system 1, and the spray head 23 does not spray water.

The implementation principle of the fire-fighting engineering spraying fire-extinguishing system in the embodiment of the application is as follows: when a fire disaster occurs indoors, the bimetallic strip 2423 is heated, bent and abutted against the fixed contact plate 2422, so that a power supply loop of the electromagnet 241 is communicated, the electromagnet 241 is electrified, the electromagnet 241 attracts the sliding rod 222 to slide, the spray head 23 is communicated with the water supply system 1, the spray head 23 sprays water, and the fire disaster is extinguished; when the fire is relieved, the temperature in the room is gradually recovered, the bimetallic strip 2423 is reset and is separated from the fixed contact plate 2422, so that the electromagnet 241 is de-energized, the sliding rod 222 is reset under the action of the spring 223, the spray head 23 is blocked from the water supply system 1, and the spray head 23 stops spraying water.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire engineering sprays fire extinguishing systems which characterized in that: comprises a water supply system (1) and a spray header (2) connected with the water supply system (1); shower head (2) are provided with a plurality ofly, shower head (2) include water pipe (21) be connected with water supply system (1), control assembly (22) of setting on water pipe (21), set up shower nozzle (23) in water pipe (21) exit and be used for drive control assembly (22) detection components (24) that remove, shower nozzle (23) and detection components (24) all set up on indoor ceiling.

2. A fire engineering sprinkler fire suppression system according to claim 1, wherein: the detection assembly (24) comprises an electromagnet (241) fixedly connected to the top of the ceiling and a normally open switch (242) fixedly connected to the bottom of the ceiling, the normally open switch (242) is arranged on a power supply loop of the electromagnet (241), and the electromagnet (241) is fixedly connected to one side of the control assembly (22).

3. A fire engineering sprinkler fire suppression system according to claim 2, wherein: the normally open switch (242) comprises a mounting seat (2421) fixedly connected to the lower surface of the ceiling, and a fixed touch plate (2422) and a bimetallic strip (2423) fixedly connected to the mounting seat (2421); the fixed contact plate (2422) is not in contact with the bimetallic strip (2423), the bimetallic strip (2423) comprises two metal plates with different thermal expansion coefficients, and the metal plate with the smaller thermal expansion coefficient is close to the fixed contact plate (2422).

4. A fire engineering sprinkler fire suppression system according to claim 3, wherein: the detection assembly (24) comprises a dust cover (243) fixedly connected to a mounting seat (2421), and the fixed contact plate (2422) and the bimetallic strip (2423) are arranged inside the dust cover (243).

5. A fire engineering sprinkler fire suppression system according to claim 2, wherein: the control assembly (22) comprises a sleeve (221) fixedly connected to the water pipe (21) and a sliding rod (222) connected to the inside of the sleeve (221) in a sliding mode; the utility model discloses a slide bar, including sleeve pipe (221), fixed ring (2221), the inside of spout (2211) is provided with spring (223), fixedly connected with solid fixed ring (2221) on the side of slide bar (222), solid fixed ring (2221) sets up the inside at spout (2211), the one end butt of spring (223) is on solid fixed ring (2221), and the other end butt is on the inner wall of spout (2211).

6. A fire engineering sprinkler system according to claim 5, wherein: the sleeve (221) and the sliding rod (222) are opposite to the electromagnet (241).

7. A fire engineering sprinkler system according to claim 5, wherein: one end, close to the water pipe (21), of the sliding rod (222) is provided with a water through hole (2222), the water through hole (2222) is located on one side, far away from the electromagnet (241), of the water pipe (21), when the electromagnet (241) is not electrified, the water through hole (2222) is not overlapped with the water pipe (21), and when the electromagnet (241) is electrified, the water through hole (2222) is overlapped with the water pipe (21).

8. A fire engineering sprinkler fire suppression system according to claim 7, wherein: and a sealing ring (211) is fixedly connected at the connecting position of the water pipe (21) and the sleeve (221).