CN110665155B - Fire control shower nozzle and have its wisdom fire extinguishing system - Google Patents

Fire control shower nozzle and have its wisdom fire extinguishing system Download PDF

Info

Publication number
CN110665155B
CN110665155B CN201910956804.1A CN201910956804A CN110665155B CN 110665155 B CN110665155 B CN 110665155B CN 201910956804 A CN201910956804 A CN 201910956804A CN 110665155 B CN110665155 B CN 110665155B
Authority
CN
China
Prior art keywords
water
fire
magnet
assembly
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910956804.1A
Other languages
Chinese (zh)
Other versions
CN110665155A (en
Inventor
王磊
王闺臣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Terminus Technology Co Ltd
Original Assignee
Chongqing Terminus Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Terminus Technology Co Ltd filed Critical Chongqing Terminus Technology Co Ltd
Priority to CN201910956804.1A priority Critical patent/CN110665155B/en
Publication of CN110665155A publication Critical patent/CN110665155A/en
Application granted granted Critical
Publication of CN110665155B publication Critical patent/CN110665155B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/08Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10Releasing means, e.g. electrically released
    • A62C37/11Releasing means, e.g. electrically released heat-sensitive
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C99/00Subject matter not provided for in other groups of this subclass
    • A62C99/0009Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0072Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water

Abstract

The invention belongs to the technical field of fire fighting equipment, and particularly relates to a fire fighting nozzle and a fire fighting system with the same. It includes: the sprayer comprises a sprayer body and a sprayer body, wherein the sprayer body comprises a water cavity and a supporting body, the water cavity is arranged at the top of the supporting body, and the water cavity is provided with a water inlet and a water outlet; the sealing assembly is arranged at the water outlet; one end of the temperature sensing releasing component is abutted against one side of the sealing component; the other end of the temperature sensing release assembly is connected with the water splashing disc, and the water splashing disc is arranged at the bottom of the support body; a flow detection assembly located within the water cavity. According to the fire-fighting nozzle, the flow detection assembly is arranged between the water inlet of the nozzle body and the sealing assembly, whether the fire-fighting nozzle leaks water is detected through the flow detection assembly, and if the fire-fighting nozzle leaks water, the fire-fighting nozzle is replaced or maintained, so that the problem of water resource waste caused by water leakage of the fire-fighting nozzle is solved.

Description

Fire control shower nozzle and have its wisdom fire extinguishing system
Technical Field
The invention belongs to the technical field of fire fighting equipment, and particularly relates to a fire fighting nozzle and an intelligent fire fighting system with the same.
Background
The fire-fighting nozzle is an important part in a fire-fighting system, and in the initial stage of a fire, the fire-fighting nozzle gives an alarm by identifying physical information such as smoke, heat, flame and the like generated by combustion and controls the initial stage of the fire by spraying water through the fire-fighting nozzle.
Usually, send the water unit to deliver to the fire control shower nozzle through distribution pipe way with water, because summer high temperature can lead to the water pressure increase in the distribution pipe way, causes the fire control shower nozzle to leak, because the water leakage of fire control shower nozzle is less, pressure measurement device in the distribution pipe way hardly detects leaking, leaks for a long time and will cause the serious waste of water resource.
Disclosure of Invention
The invention aims to at least solve the problem of water resource waste caused by water leakage of the fire-fighting nozzle. The purpose is realized by the following technical scheme:
the invention provides in a first aspect a fire sprinkler comprising: the sprayer comprises a sprayer body and a sprayer body, wherein the sprayer body comprises a water cavity and a supporting body, the water cavity is arranged at the top of the supporting body, and the water cavity is provided with a water inlet and a water outlet; the sealing assembly is arranged at the water outlet; one end of the temperature sensing releasing component is abutted against one side of the sealing component; the other end of the temperature sensing release assembly is connected with the water splashing disc, and the water splashing disc is arranged at the bottom of the support body; a flow detection assembly located within the water cavity.
According to the fire-fighting nozzle provided by the embodiment of the invention, the flow detection assembly is arranged between the water inlet and the sealing assembly in the nozzle body, whether the fire-fighting nozzle leaks water is detected through the flow detection assembly, and if the fire-fighting nozzle leaks water, the fire-fighting nozzle is replaced or maintained, so that the problem of water resource waste caused by water leakage of the fire-fighting nozzle is solved.
In addition, the fire sprinkler according to the embodiment of the invention can also have the following technical characteristics:
in some embodiments of the invention, the detection assembly comprises: a first magnet connected to the other side of the sealing assembly; a second magnet arranged in a like opposed relationship to the first magnet such that the second magnet is located between the first magnet and the water inlet; the Hall sensor is arranged on the outer side of the spray head body and located between the first magnet and the second magnet.
In some embodiments of the present invention, the first magnet is a plurality of magnets arranged in a circumferential direction or a ring magnet.
In some embodiments of the present invention, the temperature-sensitive releasing assembly includes a temperature-sensitive releasing body and an adjusting screw, one end of the adjusting screw is connected to the splash pan, the other end of the adjusting screw is connected to the temperature-sensitive releasing body, and the adjusting screw is engaged with the bottom of the supporting body to enable the adjusting screw to move axially.
In some embodiments of the invention, the seal assembly comprises: the sealing seat is fixedly connected to the water outlet and provided with a through hole; a bulge is arranged at one end of the holding body, the bulge is matched with the through hole, and the other end of the holding body is matched with the temperature sensing release assembly; an elastic member disposed between the seal holder and the holding body; a sealing member disposed between the water chamber and the sealing seat.
In some embodiments of the invention, the water filter further comprises a water filter screen, and the water filter screen is arranged at the water inlet.
In some embodiments of the invention, the outer wall of the water chamber is provided with a thread.
In another aspect, the present invention provides a fire fighting system, including: the fire control sprinkler comprises a water supply unit, a pressurized water supply unit, a water distribution pipeline, a signal receiving control unit and the fire control sprinkler according to any one of claims 1 to 7, wherein the pressurized water supply unit is connected with the water supply unit, the pressurized water supply unit is connected with the fire control sprinkler through the water distribution pipeline, and the fire control sprinkler and the pressurized water supply unit are connected with the signal receiving control unit.
According to the fire fighting system provided by the embodiment of the invention, the flow detection assembly is arranged between the water inlet in the nozzle body and the sealing assembly 20, whether the fire fighting nozzle leaks water is detected through the flow detection assembly, and if the fire fighting nozzle leaks water, the fire fighting nozzle is replaced or maintained, so that the problem of water resource waste caused by water leakage of the fire fighting nozzle is solved. In addition, the Hall sensor of the flow detection assembly transmits the acquired magnetic field change signal between the first magnet and the second magnet to the signal processing unit, the signal processing unit transmits the calculated information of water flow, water pressure and the like to the signal receiving control unit, the signal receiving control unit judges the water pressure signal, and if the water pressure is overlarge, the water pressure of the pressurizing water supply part is reduced, so that the water resource waste caused by the overlarge water pressure of the fire-fighting nozzle is avoided; if the water pressure is too low, the water pressure of the pressurizing water feeding part is increased, so that the water spraying amount of the fire-fighting nozzle is increased, and the phenomenon that the water spraying amount is too low due to the low water pressure of the fire-fighting nozzle, so that fire fighting is delayed is avoided.
In addition, the fire sprinkler according to the embodiment of the invention can also have the following technical characteristics:
in some embodiments of the invention, the fire fighting system further comprises an alarm unit, which is connected with the signal receiving control unit.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
FIG. 1 is a schematic cross-sectional view of the overall structure of a fire sprinkler according to one embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of a fire sprinkler according to an embodiment of the present invention;
fig. 3 is a connection block diagram of a fire fighting system structure according to another embodiment of the present invention.
The reference symbols in the drawings denote the following:
10: shower nozzle body, 11: water chamber, 111: water inlet, 112: water outlet, 113: external thread, 12: a support body;
20: seal assembly, 21: seal holder, 211: through-hole, 22: holder, 221: projection, 23: elastic member, 24: a sealing member;
30: a temperature sensitive release assembly; 31: temperature-sensitive release body, 32: adjusting screw, 321: an external thread;
40: a splash pan;
50: flow rate detection module, 51: first magnet, 52: second magnet, 53: a Hall sensor;
60: a water filtering net.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, an embodiment of the first aspect of the present invention provides a fire sprinkler, which includes a sprinkler body 10, a sealing assembly 20, a temperature-sensitive releasing assembly 30, a splash plate 40, and a flow rate detecting assembly 50. Specifically, the nozzle body 10 comprises a water cavity 11 and a support body 12, the water cavity 11 is connected with the top of the support body 12, and the water cavity 11 is provided with a water inlet 111 and a water outlet 112; the sealing assembly 20 is arranged at the water outlet 112; one end of the temperature-sensitive releasing component 30 is abutted against one side of the sealing component 20; the water splashing tray 40 is arranged at the bottom of the support body 12, and the other end of the temperature sensing release assembly 30 is connected with the water splashing tray 40; the flow sensing assembly 50 is located within the water chamber 11.
According to the fire sprinkler provided by the embodiment of the invention, the flow detection assembly 50 is arranged between the water inlet 111 of the water cavity 11 and the sealing assembly 20, whether the fire sprinkler leaks water is detected through the flow detection assembly 50, and if the fire sprinkler leaks water, the fire sprinkler is replaced or maintained, so that the problem of water resource waste caused by water leakage of the fire sprinkler is solved.
In some embodiments of the present invention, the temperature-sensitive releasing component 30 includes a temperature-sensitive releasing body 31, wherein the temperature-sensitive releasing body 31 may be a temperature-sensitive glass body, when a fire occurs, the ambient temperature rises, and when the ambient temperature reaches the sensing temperature of the temperature-sensitive glass body, the temperature-sensitive liquid in the sensing glass body expands due to heating, the temperature-sensitive glass body breaks, the sealing component 20 is pulled out from the water outlet 112, and the fire sprinkler head starts spraying water.
In other embodiments of the present invention, the temperature-sensing releasing body 31 may also be a fusible material, when a fire occurs, the ambient temperature rises, and when the ambient temperature reaches the sensing temperature of the temperature-sensing releasing body 31, the temperature-sensing releasing body 31 melts, the sealing assembly 20 is removed from the water outlet 112, and the fire sprinkler head starts to spray water.
In some embodiments of the present invention, the flow sensing assembly 50 includes a first magnet 51, a second magnet 52, and a hall sensor 53, wherein the first magnet 51 is connected to the other side of the sealing assembly 20, the second magnet 52 is a ring magnet, the second magnet 52 can move along and around the inner wall of the water chamber 12, the second magnet 52 is disposed in a homopolar opposition to the first magnet 51 such that the second magnet 52 is located between the first magnet 51 and the water inlet 111, the hall sensor 53 is disposed at the outer side of the head body 10, and the hall sensor 53 is located between the first magnet 51 and the second magnet 52. The second magnet 52 is positioned between the water inlet 111 and the first magnet 51 by utilizing the principle that like poles of the first magnet 51 and the second magnet 52 repel each other, when water flow in the water distribution pipeline enters the fire sprinkler, the second magnet 52 is close to the first magnet 51 under the action of the water flow, the distance between the first magnet 51 and the second magnet 52 is reduced, the magnetic induction intensity between the first magnet 51 and the second magnet 52 is increased, the Hall sensor 53 senses a magnetic field change signal and transmits the magnetic field change signal to a data processing unit (not shown in the figure), and the data processing unit calculates the moving distance of the second magnet 52, so that water flow and water pressure are calculated.
In some embodiments of the present invention, the first magnet 51 is a plurality of magnets arranged along the circumferential direction or the first magnet 51 is a ring magnet, so that the repulsive force applied to the second magnet 52 is uniform, and the hall sensor 53 can obtain incorrect displacement information because the second magnet 52 is displaced due to non-uniform stress.
In some embodiments of the present invention, the temperature-sensing releasing assembly 30 further includes an adjusting screw 32, one end of the adjusting screw 32 is connected to the splash pan 40, the other end of the adjusting screw 32 is connected to the temperature-sensing releasing handle 31, an external thread 321 is provided on the adjusting screw 32, an internal thread (not shown) adapted to the external thread 321 is provided at the other end of the spray head body 10, the adjusting screw 32 can move along the circumferential direction by rotating the adjusting screw 32, and when the adjusting screw 32 is screwed to the sealing assembly 20, the temperature-sensing releasing assembly 30 abuts against one side of the sealing assembly 20, so as to avoid water leakage caused by untight sealing.
In some embodiments of the present invention, the sealing assembly 20 includes a sealing seat 21, a holding body 22, an elastic component (e.g. a spring) 23 and a sealing component 24, wherein the sealing seat 21 is fixedly connected to the water outlet 112, a through hole 211 is formed on the sealing seat 21, water enters from the water inlet 111 and flows out through the through hole 211, one end of the holding body 22 is provided with a protrusion 221, the protrusion 221 is adapted to the through hole 211, the other end of the holding body 22 is adapted to the temperature-sensitive releasing body 31, the temperature-sensitive releasing body 31 tightly presses the holding body 22 against the sealing seat 21, the protrusion 221 is disposed in the through hole 211 to prevent water from flowing out through the through hole 211, the elastic component 23 is disposed between the sealing seat 21 and the holding body 22, when the temperature-sensitive releasing body 31 is damaged due to an excessive environmental temperature, the elastic component 23 helps the water flow to flush the holding body away from the sealing seat 21, the sealing component 24 is disposed between the water cavity 11 and the sealing seat 21, to prevent water from leaking between the water chamber 11 and the sealing seat 21.
Further, the sealing member 24 may be a sealing ring provided between the outside of the sealing seat 21 and the inside of the water chamber 11, and the sealing member 24 may be a sealing layer provided between the upper side of the sealing seat 21 and the lower side of the water chamber 11.
In some embodiments of the present invention, the fire sprinkler further includes a water filter 60, the water filter 60 is disposed at the water inlet 111, and the water filter 60 is used to prevent large particles from being contaminated and entering the sprinkler body 10, so as to avoid blocking the water outlet 112 and delaying fire fighting to cause a greater accident.
In some embodiments of the present invention, the outer wall of one end of the nozzle body 10 is provided with an external thread 113, and the external thread 113 is used for connecting a fire nozzle seat.
An embodiment of another aspect of the present invention provides a fire fighting system, as shown in fig. 3, including: the fire fighting spray head comprises a water supply unit, a pressurizing water supply unit, a water distribution pipeline, a signal receiving control unit and the fire fighting spray head in any one of the embodiments, wherein the pressurizing water supply unit is connected with the water supply unit, the pressurizing water supply unit is connected with the fire fighting spray head through the water distribution pipeline, and the fire fighting spray head and the pressurizing water supply unit are connected with the signal receiving control unit.
According to the fire fighting system of the embodiment of the invention, the flow detection assembly 50 is arranged between the water inlet 111 and the sealing assembly 20 in the nozzle body 10, whether the fire fighting nozzle leaks water is detected through the flow detection assembly 50, and if the fire fighting nozzle leaks water, the fire fighting nozzle is replaced or maintained, so that the problem of water resource waste caused by water leakage of the fire fighting nozzle is solved. In addition, the hall sensor of the flow detection assembly 50 transmits the acquired magnetic field change signal between the first magnet 51 and the second magnet 52 to the signal processing unit, the signal processing unit transmits the calculated information of water flow, water pressure and the like to the signal receiving and controlling unit, the signal receiving and controlling unit judges the water pressure signal, and if the water pressure is too high, the water pressure of the pressurizing water feeding part is reduced, so that the waste of water resources caused by the too high water pressure of the fire-fighting nozzle is avoided; if the water pressure is too low, the water pressure of the pressurizing water feeding part is increased, so that the water spraying amount of the fire-fighting nozzle is increased, and the phenomenon that the water spraying amount is too low due to the low water pressure of the fire-fighting nozzle, so that fire fighting is delayed is avoided.
In some embodiments of the invention, the fire fighting system further comprises an alarm unit, the alarm unit is connected with the signal receiving control unit, the fire fighting spray head recognizes the fire signal and sends the fire signal to the alarm unit through the signal receiving control unit, and the alarm unit sends the alarm signal so that the worker can take rescue measures for the fire in time.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (7)

1. A fire sprinkler, comprising:
the sprayer comprises a sprayer body and a sprayer body, wherein the sprayer body comprises a water cavity and a supporting body, the water cavity is arranged at the top of the supporting body, and the water cavity is provided with a water inlet and a water outlet;
the sealing assembly is arranged at the water outlet;
one end of the temperature sensing releasing component is abutted against one side of the sealing component;
the other end of the temperature sensing release assembly is connected with the water splashing disc, and the water splashing disc is arranged at the bottom of the support body;
a flow detection assembly located within the water chamber;
the detection assembly comprises:
a first magnet connected to the other side of the sealing assembly;
a second magnet arranged in a like opposed relation to the first magnet such that the second magnet is located between the first magnet and the water inlet, the second magnet being a ring magnet and movable along the water chamber with an inner wall of the water chamber as a track;
the Hall sensor is arranged on the outer side of the spray head body and is positioned between the first magnet and the second magnet;
the seal assembly includes:
the sealing seat is fixedly connected to the water outlet and provided with a through hole;
a bulge is arranged at one end of the holding body, the bulge is matched with the through hole, and the other end of the holding body is matched with the temperature sensing release assembly;
an elastic member disposed between the seal holder and the holding body;
a sealing member disposed between the water chamber and the sealing seat.
2. A fire sprinkler according to claim 1, wherein the first magnet is a plurality of circumferentially arranged magnets or a ring magnet.
3. The fire sprinkler head of claim 1, wherein the temperature sensitive release assembly includes a temperature sensitive release body and an adjustment screw, one end of the adjustment screw is connected to the splash plate, the other end of the adjustment screw is connected to the temperature sensitive release body, and the adjustment screw is engaged with the support body to enable the adjustment screw to move axially.
4. A fire sprinkler according to claim 1, further comprising a water strainer disposed at the water inlet.
5. A fire sprinkler according to claim 1, characterised in that threads are provided on the outer wall of the water chamber.
6. A fire fighting system, comprising: the fire sprinkler comprises a water supply unit, a pressurized water supply unit, a water distribution pipeline, a signal receiving control unit and the fire sprinkler according to any one of claims 1 to 5, wherein the pressurized water supply unit is connected with the water supply unit, the pressurized water supply unit is connected with the fire sprinkler through the water distribution pipeline, and the fire sprinkler and the pressurized water supply unit are respectively connected with the signal receiving control unit.
7. A fire fighting system as defined in claim 6, further comprising an alarm unit connected to the signal receiving control unit.
CN201910956804.1A 2019-10-10 2019-10-10 Fire control shower nozzle and have its wisdom fire extinguishing system Active CN110665155B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910956804.1A CN110665155B (en) 2019-10-10 2019-10-10 Fire control shower nozzle and have its wisdom fire extinguishing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910956804.1A CN110665155B (en) 2019-10-10 2019-10-10 Fire control shower nozzle and have its wisdom fire extinguishing system

Publications (2)

Publication Number Publication Date
CN110665155A CN110665155A (en) 2020-01-10
CN110665155B true CN110665155B (en) 2021-08-27

Family

ID=69081378

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910956804.1A Active CN110665155B (en) 2019-10-10 2019-10-10 Fire control shower nozzle and have its wisdom fire extinguishing system

Country Status (1)

Country Link
CN (1) CN110665155B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112807594B (en) * 2020-12-31 2022-03-29 重庆工程职业技术学院 Wisdom is automatic firebreak device for building

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824837A (en) * 2010-05-11 2010-09-08 佛山市水的净水产品开发有限公司 Water-leaking and water-running protective device of domestic tap water
CN108066923A (en) * 2016-11-14 2018-05-25 南京消防器材股份有限公司 A kind of high building fire fighting device
US10232206B2 (en) * 2017-02-01 2019-03-19 Ihf, Llc System and method for detecting fluid leak
CN110064152A (en) * 2018-01-24 2019-07-30 马里奥夫有限公司 Applicator system
CN209270692U (en) * 2018-09-18 2019-08-20 公安部四川消防研究所 The simple automatic fire extinguisher of thin-wall stainless steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824837A (en) * 2010-05-11 2010-09-08 佛山市水的净水产品开发有限公司 Water-leaking and water-running protective device of domestic tap water
CN108066923A (en) * 2016-11-14 2018-05-25 南京消防器材股份有限公司 A kind of high building fire fighting device
US10232206B2 (en) * 2017-02-01 2019-03-19 Ihf, Llc System and method for detecting fluid leak
CN110064152A (en) * 2018-01-24 2019-07-30 马里奥夫有限公司 Applicator system
CN209270692U (en) * 2018-09-18 2019-08-20 公安部四川消防研究所 The simple automatic fire extinguisher of thin-wall stainless steel

Also Published As

Publication number Publication date
CN110665155A (en) 2020-01-10

Similar Documents

Publication Publication Date Title
FI74544B (en) FOERFARANDE OCH SYSTEM FOER INDIKERING AV LAECKAGE I ROERSYSTEM.
EP2853294B1 (en) Protective cap of sprinkler head and sprinkler head
CN110665155B (en) Fire control shower nozzle and have its wisdom fire extinguishing system
RU2460560C1 (en) Installation for fire extinguishing
CA2200353A1 (en) Cartridge Heater System
JP2014517172A5 (en)
CA2892414C (en) Pip cap assembly for a fire protection sprinkler
JP2013192752A (en) Sprinkler head attachment
CA2199782C (en) Condensate discharge device
EP0046748A1 (en) Leak detection apparatus
WO2018234752A1 (en) Dosing assembly
CN211175608U (en) Water leakage protector
CA2784230C (en) Fire extinguishing assembly for transforming a liquid to a liquid mist
KR200492692Y1 (en) Fire sprinkler using moisture sensor
CN216824599U (en) Exhaust cabinet perfluorohexanone fire extinguishing system
GB2151383A (en) Flow detection device
US20200407953A1 (en) Fluid Management/Control System
JP2005095522A (en) Sprinkler head and head cover
CN218376650U (en) Engine cooling water jacket and engine
JP5767451B2 (en) Sprinkler head
CN218420766U (en) Fire extinguishing device
CN212067542U (en) Closed water mist spray head and water mist fire extinguishing device
US20230193608A1 (en) Flood detection control device for reduced pressure backflow preventers
JP3334123B2 (en) Overheat alarm
CN207634717U (en) A kind of water spray control butterfly valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant