CN209019842U - Impacting type temperature sensing glass ball starter - Google Patents

Impacting type temperature sensing glass ball starter Download PDF

Info

Publication number
CN209019842U
CN209019842U CN201821292869.8U CN201821292869U CN209019842U CN 209019842 U CN209019842 U CN 209019842U CN 201821292869 U CN201821292869 U CN 201821292869U CN 209019842 U CN209019842 U CN 209019842U
Authority
CN
China
Prior art keywords
cavity
temperature sensing
heat
glass ball
sensing glass
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
CN201821292869.8U
Other languages
Chinese (zh)
Inventor
郑永华
陈翠芳
李勇
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.)
Hunan An Min Technology Co Ltd
Original Assignee
Hunan An Min 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 Hunan An Min Technology Co Ltd filed Critical Hunan An Min Technology Co Ltd
Priority to CN201821292869.8U priority Critical patent/CN209019842U/en
Application granted granted Critical
Publication of CN209019842U publication Critical patent/CN209019842U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The utility model belongs to fire control technology field, more particularly to can be suitably used for the impacting type temperature sensing glass ball starter of the extinguishing devices equipped with temperature sensing glass ball such as water spray, spray extinguishing chemical.Including valve body, hit spool, one end of the valve body is equipped with ejection mouth, connector is sealedly connected on the other end, the spacer for making the cavity form sealing cavity for separating the valve chamber and cavity is additionally provided between the connector and the valve body, be additionally provided on connector stretch to it is in the cavity and heated after the heat that can ignite cause line, increase the air pressure in sealing cavity when heat causes after line is ignited and spacer rupture can be made to hit spool to push and move along valve chamber from ejection mouth ejection.The Starting mode is simple, can pass through outer cigarette receiving sense.Warming, etc. detectors and button, realize the mode that starts or manually boot automatically, Starting mode is reliable, precisely, and structure is simple, and starts rapidly, can react at the first time, reduces and loses caused by fire.

Description

Impacting type temperature sensing glass ball starter
[technical field]
The utility model belongs to fire control technology field, more particularly to can be suitably used for water spray, sprays extinguishing chemical etc. equipped with sense The impacting type temperature sensing glass ball starter of the extinguishing device of warm glass marble.
[background technique]
It is single that fire fighting extinguisher with temperature sensing glass ball is widely used to factories and miness, organ, family, hotel and enterprises and institutions Position, at present according to incompletely statistics, domestic temperature sensing glass ball year expense at several hundred million, usage amount is very big, however temperature-sensitive glass Glass ball since the temperature-sensitive speed of itself is slow, starting had outside the features such as delay, the position of mounting distance fire source and fire source Property determines that temperature sensing glass ball cannot play its due effect very well.In addition, temperature sensing glass ball can only singly have use, no It is able to achieve the collaboration fire extinguishing of conflagration area.
With the development of electronic technology, the sensitive detection parts of various temperature, smog, gas etc. occur in succession, to detect fire More advanced more accurate means are provided, this requires increasing central controlled function on the basis of temperature sensing glass ball, It realizes double startup or more start-up modes, has extinguishing device collaboration fire extinguishing more come centralized control by fire alarm Fire extinguisher.
In order to achieve the above object, there is the control for breaking temperature sensing glass ball into pieces by circuit control machinery of electromechanical Device, but its structure is complex, poor reliability, application difficult.In addition, keeping temperature sensing glass ball broken also by heating wire heating is electrically activated The controller split, but itself is since heating heating wire needs biggish electric current, when more tools have the fire extinguishing of temperature sensing glass ball When device needs while starting, required electric current is big, and the starting time is long, cannot such as start in time, cannot reduce fire and cause Loss.
[summary of the invention]
To solve the problems, such as the controller architecture complexity of temperature sensing glass ball in the prior art, larger current being needed to start, this Utility model provides impacting type temperature sensing glass ball starter for temperature sensing glass ball fire extinguisher.
The utility model is achieved through the following technical solutions:
Impacting type temperature sensing glass ball starter, including valve body, the valve body are equipped with the valve chamber through its both ends, the valve It is intracavitary be equipped with can be movable along valve chamber shock spool, one end of the valve body is equipped with ejection mouth, is tightly connected on the other end There is connector, the connector is equipped with the cavity being connected to the valve chamber, is additionally provided between the connector and the valve body So that the cavity is formed the spacer of sealing cavity for separating the valve chamber and cavity, and is additionally provided with and stretches on the connector Enter it is to the cavity and heated after the heat that can ignite cause line, when heat causes the air pressure made in sealing cavity after line is ignited Increase and spacer rupture can be made to push shock spool to move along valve chamber from ejection mouth ejection.
Impacting type temperature sensing glass ball starter as described above is set on the one end being connect on the valve chamber with the connector There is the first step for the spacer to be mounted, one end that the valve chamber is located at ejection mouth, which is equipped with second step, to be made to push up Outlet aperture is less than the aperture of the valve chamber.
Impacting type temperature sensing glass ball starter as described above, the spool that hits includes the boosting in the valve chamber Head and the mandril for being connected on the boosting head and extending to top exit, boosting head periphery are equipped with annular Groove, and the annular groove is equipped with the first sealing ring.
Impacting type temperature sensing glass ball starter as described above is additionally provided on the periphery of the mandril in the valve chamber Reset spring, and the upper end of the reset spring is connected on the boosting head, and lower end is stuck on second step.
Impacting type temperature sensing glass ball starter as described above also sets the annular flat that middle part has through-hole on the spacer Gasket.
Impacting type temperature sensing glass ball starter as described above, the spacer are below the flat ring gasket Aluminium foil film.
Impacting type temperature sensing glass ball starter as described above, the connector are three-way connector comprising with it is described The first connecting pin, the second connection end that is connected on the first connecting pin and the third connecting pin of valve seal connection, described the Two connecting pins are equipped with the second cavity being connected to the cavity, and the third connecting pin is equipped with empty with the cavity and second The third cavity of chamber connection, the sealed silicon for blocking itself and the second cavity and third cavity connectivity part is additionally provided in the cavity Film.
Impacting type temperature sensing glass ball starter as described above, one end that the heat causes line is from the sealed silicon film It is extend out to the extension end of the second cavity and third cavity connectivity part, is equipped in the third cavity and causes line extension end with the heat The Lighter of contact, and the conductor wire extending out to outside third connecting pin is connected on Lighter, Huang is arranged on the conductor wire Cured pipe and the heat-shrink tube being set in outside Huang Laguan.
Impacting type temperature sensing glass ball starter as described above, interior be equipped with of second cavity are stretched out with the heat initiation line Second heat of end in contact causes line, and one end that second heat causes line is stretched out from second connection end, and the second heat causes on line It is arranged on the outside of fiberglass tubes and fiberglass tubes and is equipped with aluminum hull.
Impacting type temperature sensing glass ball starter as described above, the heat causes line, the second heat initiation line is heat-sensitive line.
Compared with prior art, the utility model has the following advantages:
1, the utility model provides impacting type temperature sensing glass ball starter, causes line by heat and ignites, in sealing cavity It is interior to generate a large amount of smog and heat, so that pressure in sealing cavity be made to increase, when pressure reaches the limit of spacer, make every It being ruptured from piece, internal pressure is by abrupt release, to release impact spool, make the fire plant outside spool shock, such as Temperature sensing glass ball is hit, to start fire plant, the Starting mode is simple, can pass through outer cigarette receiving sense.Warming, etc. detectors and Button realizes the mode for starting or manually booting automatically, and Starting mode is reliable, accurate, and structure is simple, and starts rapidly, It can react at the first time, reduce and lost caused by fire.
2, the utility model mentions and is additionally provided with reset spring on the shock spool of impacting type temperature sensing glass ball starter, is starting After hitting temperature sensing glass ball, make to hit valve core reset by reset spring, avoids hitting spool blocking to the normal of extinguishing device Work.
3, the utility model impacting type temperature sensing glass ball starter can make in such a way that Lighter and the second heat cause line First heat causes line starting, and Lighter is connected with temperature, smog, gas detector or personal control;Multiple impacting type senses Warm glass marble starter can be by conductor in parallel, or passes through heat and cause line connection to realize that more starters cause starting simultaneously more Platform fire-fighting equipment.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model impacting type temperature sensing glass ball starter;
Fig. 2 is the portion the A structural schematic diagram of Fig. 1;
Fig. 3 is the use connection schematic diagram of impacting type temperature sensing glass ball starter.
[specific embodiment]
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein Example is only used to explain the utility model, is not used to limit the utility model.
The utility model is achieved through the following technical solutions:
As shown in Figure 1 and Figure 2, impacting type temperature sensing glass ball starter, including valve body 2, the valve body 2, which is equipped with, runs through it The valve chamber 201 at both ends is equipped with shock spool 1 that can be movable along valve chamber 201 in the valve chamber 201, and one end of the valve body 2 is set There is ejection mouth, connector 9 is sealedly connected on the other end, the connector 9 is equipped with the cavity being connected to the valve chamber 201 901, being additionally provided between the connector 9 and the valve body 2 makes the cavity 901 for separating the valve chamber 201 and cavity 901 Form the spacer 5 of sealing cavity, and be additionally provided on the connector 9 stretch to it is in the cavity 901 and heated after meeting The heat ignited causes line 7, when heat cause increase air pressure in sealing cavity after line 7 is ignited and can make the rupture of spacer 5 from And shock spool 1 is pushed to move along valve chamber 201 from ejection mouth ejection.The utility model provides the starting of impacting type temperature sensing glass ball Device causes line by heat and ignites, a large amount of smog and heat are generated in sealing cavity, so that pressure in sealing cavity be made to increase Greatly, when pressure reaches the limit of spacer, rupture spacer, internal pressure is by abrupt release, to release dash valve Core makes the fire plant outside spool shock, for example hits temperature sensing glass ball, thus start fire plant, Starting mode letter It is single, can by outer cigarette receiving sense, warming, etc. detectors and button, realize the mode for starting or manually booting automatically, Starting mode Reliably, precisely, structure is simple, and starts rapidly, can react at the first time, reduces and loses caused by fire.
Further, the one end being connect on the valve chamber 201 with the connector 9 be equipped with for be mounted it is described every First step from piece 5, one end that the valve chamber 201 is located at ejection mouth, which is equipped with second step, makes to push up outlet aperture less than described The aperture of valve chamber 201.Specifically, the spool 1 that hits includes boosting head 101 and connection in the valve chamber 201 On the boosting head 101 and the mandril 102 for pushing up exit is extended to, it is recessed that 101 periphery of boosting head is equipped with annular Slot, and the annular groove is equipped with the first sealing ring 4.By simple structure setting, facilitate the installation of the application starter Production, and limited by second step, it can prevent shock spool from skidding off out of valve chamber.In addition, the head for hitting spool is Boosting head 101, it is circumferential that first sealing ring and the close contact of valve chamber inner wall are set, facilitate on startup, in sealing in this way After the high pressure bursting spacer of chamber, the side on boosting head 101 can be acted on all to form one biggish thrust, from And quickly push shock spool.
The application is mainly used in the extinguishing device that water spray, spray extinguishing chemical etc. are equipped with temperature sensing glass ball.As shown in figure 3, valve Body is connected on bulb sprinkler head 17, and its ejection mouth is opposite with glass marble.In addition it is additionally provided with and is located in the valve chamber 201 Reset spring 3 on the periphery of the mandril 102, and the upper end of the reset spring 3 is connected on the boosting head 101, Lower end is stuck on second step.By the setting of reset spring, glass marble is broken up after hitting spool ejection, it can be in spring The lower automatic movement in valve chamber of effect, stops sprinkler tip normally to be sprayed water to not be afraid of.
Further, the flat ring gasket 6 that middle part has through-hole is also set on the spacer 5.One come be conducive to by Spacer compression, which is mounted on first step, makes it keep for cavity and valve chamber being isolated, and two can prevent from being put into heat in installation When causing line, heat causes the case where line bursting spacer causes starter to fail.Make opening for the application by simple structure Dynamic device is practical more reliable, safety.
In addition, the spacer 5 is the aluminium foil film set on 6 lower section of flat ring gasket.In the present solution, aluminium foil film It is tightly attached to the lower section of flat shim 6, facilitates installation.Cohesion pressure is using aluminium foil film purpose, when pressure reaches aluminium foil film The limit when, aluminium foil film rupture, pressure abrupt release, to release spool.
Still further, the connector 9 is three-way connector, which is three snorkel quick couplings, Including the first connecting pin 91 being tightly connected with the valve body 2, the second connection end 92 being connected on the first connecting pin 91 and Third connecting pin 93, the second connection end 92 are equipped with the second cavity 902 being connected to the cavity 901, and the third connects It connects end 93 and is equipped with the third cavity 903 being connected to the cavity 901 and the second cavity 902, be additionally provided with use in the cavity 901 In the sealed silicon film 10 for blocking itself and 903 connectivity part of the second cavity 902 and third cavity.It is set on the periphery of first connecting pin 91 Have an external screw thread, valve body and the first connecting pin junction are equipped with associated helicitic texture, and its junction be also equipped with it is close Seal, to surround the cavity of a sealing after making connection by the first connecting pin, valve body, spacer and sealed silicon film.From After dynamic or manual sending enabling signal, heat causes line and is ignited, when heat initiation line is fast in silica gel piece, aluminium foil film, three snorkels When burning in the confined space of quick coupling and valve chamber composition, moment generates a large amount of gas and heat, so that cohesion is greatly pressed Power, when pressure reaches the limit of aluminium foil film, aluminium foil film rupture, pressure is released spool and is hit temperature-sensitive glass by abrupt release Glass ball is put out a fire to discharge firing-fighting medium.Leakproofness inside simple structure guarantee, to promote the reliable of starter Performance.
In addition, one end that the heat causes line 7 is to extend out to the second cavity 902 and third sky from the sealed silicon film 10 The extension end of 903 connectivity part of chamber, interior be equipped with of the third cavity 903 cause the Lighter 14 that line 7 stretches out end in contact with the heat, And the conductor wire extending out to outside third connecting pin 93 is connected on Lighter 14, be arranged on the conductor wire yellow cured pipe 15 and The heat-shrink tube 16 being set in outside yellow cured pipe 15.Specifically, it is equipped in second cavity 902 and causes 7 extension end of line with the heat Second heat of contact causes line 13, and one end that second heat causes line 13 is stretched out from second connection end 92, and the second heat causes It is arranged on line 13 on the outside of fiberglass tubes 12 and fiberglass tubes 12 and is equipped with aluminum hull 11.Two conducting wires of Lighter are cased with high temperature resistant respectively Cotton varnished sleeve, be shorted, can not start after preventing under high temperature insulated hull to melt, cotton varnished sleeve and aluminum hull junction are cased with heat-shrink tube.Heat Cause line and be cased with fiberglass tubes, fiberglass tubes and aluminum hull by aluminum hull extruding contraction fixation, fiberglass tubes are being pacified to protect heat to cause line It fills, is not destroyed in transport.And Lighter is connected with temperature, smog, gas detector or personal control;Multiple shocks Formula temperature sensing glass ball starter can realize that more starters cause simultaneously and start more fire-fighting equipments by conductor in parallel.
In addition, it is heat-sensitive line that the heat, which causes the 7, second heat of line to cause line 13,.Heat-sensitive line is drawn by three different medicine cores It coats one layer of plastics outside line to constitute, when environment temperature reaches heat-sensitive line start-up temperature or heat-sensitive line meets open fire and ignites, heat-sensitive line Burning rapidly.So that the application starting is rapidly, reliably.
The utility model provides impacting type temperature sensing glass ball starter, causes line by heat and ignites, in sealing cavity A large amount of smog and heat are generated, so that pressure in sealing cavity be made to increase, when pressure reaches the limit of spacer, makes to be isolated Piece rupture, internal pressure is by abrupt release, to release impact spool, makes the fire plant outside spool shock, for example hit Temperature sensing glass ball is hit, to start fire plant, the Starting mode is simple, can pass through outer cigarette receiving sense.Warming, etc. detectors and press Button realizes the mode for starting or manually booting automatically, and Starting mode is reliable, accurate, and structure is simple, and starts rapidly, energy It is enough to react at the first time, it reduces and is lost caused by fire.
It is the one or more embodiments provided in conjunction with particular content as described above, does not assert the tool of the utility model Body implementation is only limited to these instructions.It is all approximate with the method for the utility model, structure etc., identical or practical new for this It makes several technologies under type concept thereof to deduce, or replacement all should be considered as the protection scope of the utility model.

Claims (10)

1. impacting type temperature sensing glass ball starter, which is characterized in that including valve body (2), the valve body (2) be equipped with through its two The valve chamber (201) at end, be equipped in the valve chamber (201) can along the movable shock spool (1) of valve chamber (201), the valve body (2) One end is equipped with ejection mouth, is sealedly connected with connector (9) on the other end, the connector (9) is equipped with and the valve chamber (201) cavity (901) being connected to, is additionally provided between the connector (9) and the valve body (2) for separating the valve chamber (201) and cavity (901) makes the cavity (901) to form the spacer (5) of sealing cavity, and also sets on the connector (9) Have stretch to it is in the cavity (901) and heated after the heat that can ignite cause line (7), make when heat causes after line (7) are ignited Air pressure in sealing cavity increases and spacer (5) rupture can be made to push shock spool (1) to move along valve chamber (201) from top Outlet ejection.
2. impacting type temperature sensing glass ball starter according to claim 1, which is characterized in that on the valve chamber (201) with One end of connector (9) connection is equipped with the first step for the spacer (5) to be mounted, the valve chamber (201) one end for being located at ejection mouth, which is equipped with second step, to be made to push up the aperture that outlet aperture is less than the valve chamber (201).
3. impacting type temperature sensing glass ball starter according to claim 2, which is characterized in that shock spool (1) packet It includes the boosting head (101) being set in the valve chamber (201) and is connected on the boosting head (101) and extends to ejection Mandril (102) at mouthful, boosting head (101) periphery is equipped with annular groove, and the annular groove is equipped with first Sealing ring (4).
4. impacting type temperature sensing glass ball starter according to claim 3, which is characterized in that in the valve chamber (201) also Equipped with the reset spring (3) on the periphery for being located at the mandril (102), and the upper end of the reset spring (3) be connected to it is described On boosting head (101), lower end is stuck on second step.
5. impacting type temperature sensing glass ball starter according to claim 2, which is characterized in that on the spacer (5) also If middle part has the flat ring gasket (6) of through-hole.
6. impacting type temperature sensing glass ball starter according to claim 5, which is characterized in that the spacer (5) is to set Aluminium foil film below the flat ring gasket (6).
7. impacting type temperature sensing glass ball starter according to claim 1, which is characterized in that the connector (9) is three Connectors comprising with the valve body (2) be tightly connected the first connecting pin (91), be connected on the first connecting pin (91) Second connection end (92) and third connecting pin (93), the second connection end (92) are equipped with and are connected to the cavity (901) The second cavity (902), the third connecting pin (93) is equipped with and is connected to the cavity (901) and the second cavity (902) Third cavity (903), interior be additionally provided with of the cavity (901) connect for blocking it with the second cavity (902) and third cavity (903) The sealed silicon film (10) at logical place.
8. impacting type temperature sensing glass ball starter according to claim 7, which is characterized in that the heat causes line (7) One end is the extension end that the second cavity (902) and third cavity (903) connectivity part are extend out to from the sealed silicon film (10), institute The Lighter (14) for being equipped in third cavity (903) and causing line (7) stretching end in contact with the heat is stated, and is connected on Lighter (14) It is connected to and extend out to the conductor wire of third connecting pin (93) outside, Huang Laguan (15) is arranged on the conductor wire and is set in yellow cured Manage the heat-shrink tube (16) of (15) outside.
9. impacting type temperature sensing glass ball starter according to claim 8, which is characterized in that second cavity (902) Interior the second heat for causing line (7) stretching end in contact with the heat that is equipped with causes line (13), and second heat causes the one of line (13) End is stretched out from second connection end (92), and is arranged on the outside of fiberglass tubes (12) and fiberglass tubes (12) in the second heat initiation line (13) Equipped with aluminum hull (11).
10. impacting type temperature sensing glass ball starter according to claim 9, which is characterized in that heat initiation line (7), It is heat-sensitive line that second heat, which causes line (13),.
CN201821292869.8U 2018-08-11 2018-08-11 Impacting type temperature sensing glass ball starter Active CN209019842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821292869.8U CN209019842U (en) 2018-08-11 2018-08-11 Impacting type temperature sensing glass ball starter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821292869.8U CN209019842U (en) 2018-08-11 2018-08-11 Impacting type temperature sensing glass ball starter

Publications (1)

Publication Number Publication Date
CN209019842U true CN209019842U (en) 2019-06-25

Family

ID=66873608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821292869.8U Active CN209019842U (en) 2018-08-11 2018-08-11 Impacting type temperature sensing glass ball starter

Country Status (1)

Country Link
CN (1) CN209019842U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108771814A (en) * 2018-08-11 2018-11-09 湖南安民科技有限责任公司 Impacting type temperature sensing glass ball starter
CN111991723A (en) * 2020-09-10 2020-11-27 泉州台商投资区双霞机械设计服务中心 Forest fire control detection robot

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108771814A (en) * 2018-08-11 2018-11-09 湖南安民科技有限责任公司 Impacting type temperature sensing glass ball starter
CN111991723A (en) * 2020-09-10 2020-11-27 泉州台商投资区双霞机械设计服务中心 Forest fire control detection robot
CN111991723B (en) * 2020-09-10 2021-06-01 泉州台商投资区双霞机械设计服务中心 Forest fire control detection robot

Similar Documents

Publication Publication Date Title
CN209019842U (en) Impacting type temperature sensing glass ball starter
CN106481859B (en) A kind of vehicle-mounted extinguishing device valve and fire extinguishing system
CN204932689U (en) Constant temperature starts hanged extinguishing equipment with electricity
CN109529226A (en) A kind of plunger type fire-extinguishing cooling device
CN200984408Y (en) Top-sucking jet type superfine dry powder extinguishing device
US20220080240A1 (en) Multi-mode starting dry powder fire extinguishing ball
CN108771814A (en) Impacting type temperature sensing glass ball starter
CN211357535U (en) Automatic trigger fire extinguishing device
CN111321989A (en) Novel fire door
CN206881000U (en) A kind of fire-fighting spraying trigger device
CN206988512U (en) A kind of electronic execution needling structure QRV Quick Release Valve door
CN214388587U (en) Automatically controlled formula automatic fire extinguishing pipe
CN202740669U (en) Automatic blasting fire extinguisher
CN211798385U (en) Automatic fire-fighting equipment power consumption starting drive
CN215152784U (en) Intelligent monitoring protection integration fire prevention explosion-proof blanket
CN208611631U (en) A kind of air-conditioning automatic fire extinguisher and air conditioner
CN104689512A (en) Embedded firework detonating and water spraying fire extinguishing device
CN218774208U (en) Perfluorohexanone self-starting fire extinguisher
CN216877669U (en) Starter for pressure-storage fire extinguisher
AU2021103238B4 (en) Multi-mode starting dry powder fire extinguishing ball
CN205886026U (en) Temperature -sensing type river system automatic fire extinguishing device
CN107029375A (en) A kind of fire-fighting spraying triggering device
CN219743752U (en) Fire extinguishing ball with pulse starting mode
CN219721759U (en) Miniature non-pressure-storage perfluorinated hexanone fire extinguishing device with feedback function
CN219700892U (en) Dry powder extinguishing device with built-in nozzle structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant