CN2628091Y - Fire probe automatic fire extinguisher - Google Patents
Fire probe automatic fire extinguisher Download PDFInfo
- Publication number
- CN2628091Y CN2628091Y CN 03258975 CN03258975U CN2628091Y CN 2628091 Y CN2628091 Y CN 2628091Y CN 03258975 CN03258975 CN 03258975 CN 03258975 U CN03258975 U CN 03258975U CN 2628091 Y CN2628091 Y CN 2628091Y
- Authority
- CN
- China
- Prior art keywords
- piston
- valve
- bottle
- fire
- outlet
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a fire probe automatic fire extinguisher, pertaining to the field of fire control technology. The utility model consists of an extinguishing agent storage bottle and a bottle valve, the entrance to which is connected with the storage bottle and spray head for fire suppression, as well as fire-detected tube, wherein, T-shaped section piston in the bottle valve body divides such body into upper and lower chambers and crossed slot sealed in the bottom end contained in piston communicates the upper chamber with the lower chamber. When the piston is placed in lower limit position the piston blocks the passage between the entrance and exit while is raised up the piston opens such passage. The utility model has the advantages that the structure is compact; price is low; power supply is not required; the device saves space; the response is quick; the device is safe, which can be widely used in petroleum/ chemical industry, pharmaceutical factories, communication apparatus, power plant, kitchen, steel works, military equipment, automobile, subway, banking equipment, flammable warehouse, oil storage, computer room, electric control box, power board and other things.
Description
Technical field
The utility model relates to a kind of automatic fire extinguisher, and especially a kind of spy fire tube automatic fire extinguisher belongs to the fire prevention field.
Background technology
Disaster for fear of fire brings to the mankind all has been equipped with automatic fire extinguishing system in the various important Architectural Equipments at present.These automatic fire extinguishing systems have sniffer, supervising device, extinguishing device three big parts usually.At the fire early period of origination, probe in sniffer is by testing environment cigarette, temperature, when finding the condition of a disaster, to in time the condition of a disaster signal be mail to supervising device, open the valve of extinguishing device by supervising device control, make the extinguishing chemical in the extinguishing device pass through pipe network system, be sprayed onto the fire place, thereby fire trouble is put out in bud.
Yet existing automatic fire extinguishing system is narrow and small in the space, environment is special, and the occasion that pipe network, nozzle or fire-alarm can't be installed can not be suitable for, and causes the fire safety long-term existence hidden danger in these more special places.
In order to overcome the above problems, application number is 97100262.2, the applying date is that the Chinese patent application of 1997.01.16 discloses a kind of automatic fire-extinguishing sprinkler, this device comprises washing head, normally closed solenoid valve, the Auto-Sensing gauge tap, magnetic valve is contained between washing head and its water inlet pipe, the Auto-Sensing gauge tap comprises lever, a pair of electric contact, flammable or easy hot melt object, fixture, flammable or easy hot-melt object body overhang is at an end of lever, moving contact in the electric contact is located at the other end of lever, and static contact is fixed on the fixture and with normally closed solenoid valve and is electrically connected.During use, the water inlet pipe of washing head is communicated with the water source, the moving contact in the electric contact is connected with power supply.When fire took place, hanging object melted because of being heated or burns and changes weight, caused lever actuation and connected electric contact, normally closed solenoid valve was opened, so washing head begins to sprinkle water to reach the purpose of self-extinguishing.
In addition, the utility application that application number is 00113600.3, the applying date is 2000.08.03 proposed a kind of mainly by foamite container, spout, valve, valve driving machine structure, drive the automatic fire extinguisher that controlling organization etc. is formed.The driving mechanism of this fire extinguisher comprises lever, fixed head, torsionspring, lever leg.Drive controlling organization and comprise contact temperature meter, fusible line, heating wire, battery and lead etc., torsionspring is installed on the lever leg, two long handles of its torsion spring press the far-end of lever and fixed head respectively, and fusible line is strained and fixed lever and fixed head at parallel position.Heating wire is wrapped on the fusible line, and be unified into loop with contact temperature meter, battery, when temperature reaches predetermined value, the electrothermal wire heating is blown fusible line, and at this moment the binding force of lever is disengaged, and under the effect of torsionspring bounce, spool is depressed, open valve, the ejection extinguishing chemical carries out self-extinguishing.
Though more than two patent applications obtaining certain progress aspect the pipe network simplifying, its monitoring and to carry out link still more can cause not only that structure is compact inadequately, manufacturing cost is higher, and is prone to fault.
The utility model content
The purpose of this utility model is: a kind of compact conformation, cost economy, safe and reliable spy fire tube automatic fire extinguisher are proposed, thereby for solve the space narrow and small than special occasions fire safety problem create favorable conditions.
In order to reach above purpose, the utility model is visited one of technical scheme of fire tube automatic fire extinguisher: comprise extinguishing chemical storage bottle and bottle valve, described bottle valve is shaped on import and outlet, described extinguishing chemical storage bottle links to each other with described import, comprise the spy fire tube in addition, T type cross section piston in the described bottle valve valve body is divided into valve body, following two chambers, be shaped on the intersection cross bore of lower end sealing in the described piston, described cross bore will go up, lower chambers is communicated with, described lower chambers links to each other with the spy fire tube by outlet, and when piston was in the limit inferior position, obstruction advanced, passage between the outlet, when the piston lifting, open into, passage between the outlet.
During use, the small and exquisite spy fire tube of volume can be arranged in the protection zone easily.Under the normal condition, because the T type cross section piston upper surface area in the bottle valve valve body is far longer than the lower surface area, and the intersection cross bore in the piston is communicated with upper and lower chamber, so the interior compressed air of valve body remains piston and is in the limit inferior position, import and export blocks, valve closing.When the condition of a fire takes place when, spy fire tube after being heated reaches the fusing point place at first and breaks, the equal pressure release of upper and lower chamber in the bottle valve valve body that the result is communicated with it, the pressure of extinguishing chemical storage bottle is with the jack-up piston, thereby open bottle valve, make extinguishing chemical directly from the aperture of breaking, spray to burning things which may cause a fire disaster, rapidly burning things which may cause a fire disaster is put out.
Two of the technical scheme of the utility model spy fire tube automatic fire extinguisher is: comprise extinguishing chemical storage bottle and bottle valve, described bottle valve is shaped on import and outlet, described extinguishing chemical storage bottle links to each other with described import, described outlet links to each other with fire extinguishing sprayer through releasing tube, comprise the spy fire tube in addition, described bottle valve also is shaped on the control mouth, T type cross section piston in the valve body is divided into valve body, following two chambers, be shaped on the intersection cross bore of lower end sealing in the described piston, described cross bore will go up, lower chambers is communicated with, described upper chamber links to each other with the spy fire tube by the control mouth, when piston is in the limit inferior position, obstruction advances, passage between the outlet when the piston lifting, is opened into, passage between the outlet.
During use, the same spy fire tube that volume is small and exquisite is arranged in the protection zone.With as a same reason above-mentioned, under the normal condition, be in blocked state between the import and export, valve closing.When the condition of a fire took place, the spy fire tube after being heated reached the fusing point place at first and breaks, and the result controls mouth and makes the upper and lower chamber pressure release of valve body, the pressure of extinguishing chemical storage bottle is with the jack-up piston, thereby open bottle valve, extinguishing chemical is sprayed from nozzle through releasing tube, put out burning things which may cause a fire disaster.
Obviously, the utility model is simple in structure, and cost economy is reliable and secure, compared with prior art, has following remarkable advantage:
1. extinguishing chemical directly sprays to ignition point at first, therefore can suffer from fire effectively and putting out in bud;
2. need not to use power supply;
The detection reaction time quick, the loss that reduces fire spreading to greatest extent and caused;
4. can not cause the mistake spray or incur loss through delay spurting because of rugged environment factors such as oil, dusts;
5. simple in structure, cheap;
6. simple installation is saved the limited space of user.
Description of drawings
Below in conjunction with accompanying drawing the technical solution of the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment one.□
Fig. 2 is the structural representation of bottle valve among Fig. 1.
Fig. 3 is the structural representation of the utility model embodiment two.
Fig. 4 is the structural representation of bottle valve among Fig. 3.
The specific embodiment
Embodiment one
The spy fire tube automatic fire extinguisher of present embodiment is the direct-type extinguishing device of one of corresponding technical scheme, as shown in Figure 1, mainly is made up of extinguishing chemical storage bottle 1, bottle valve 2, ball valve 3, spy fire tube 4, Pressure gauge 5.
The import 2-7 of bottle valve 2 links to each other with extinguishing chemical storage bottle 1, and outlet 2-8 connects the spy fire tube 4 (referring to Fig. 2) that is arranged in the protection zone by ball valve 3.The concrete structure of bottle valve 2 is equipped with the piston 2-2 in T type cross section as shown in Figure 2 in the valve body 2-1.This T type cross section piston 2-2 is divided into upper and lower two chamber 2-3 and 2-4 with valve body 2-1, and the big end lower surface in T type cross section is resisted against on the spring 2-6.Be shaped on the lower end in the piston 2-2 and inlay the intersection cross bore of sealing gasket 2-5.This cross bore is communicated with upper and lower chamber 2-3 and 2-4.Lower chambers 2-4 is by outlet 2-8 access valve 3.
Under the normal condition, because the T type cross section piston 2-2 upper surface area in the valve body 2-1 is far longer than the lower surface area, and upper and lower chamber 2-3 and 2-4 are communicated with, pressure is identical, therefore the air pressure in the valve body 2-1 is all the time to lower compression spring 2-6, keep piston 2-2 to be in the limit inferior position, sealing gasket 2-5 blocks import 2-7, and bottle valve 2 is closed.When the condition of a fire takes place when, spy fire tube 4 after being heated reaches the fusing point place at first and breaks, the equal pressure release of upper and lower chamber in the bottle valve valve body 2-1 of Lian Tonging with it, the pressure of spring 2-6 and extinguishing chemical storage bottle 1 will make piston 2-2 rise, bottle valve 2 is opened as a result, and the extinguishing chemical in the extinguishing chemical storage bottle 1 is by the import and export of bottle valve 2, and ball valve 3, directly from the aperture of the spy fire tube 4 that breaks, spray to burning things which may cause a fire disaster, rapidly burning things which may cause a fire disaster is put out.
In brief: visit fire tube and be communicated with the extinguishing chemical storage bottle, be arranged in the protection zone, visit fire tube terminal pressure table and be used for showing the pressure of visiting in the fire tube by ball valve (often opening), bottle valve.After the condition of a fire takes place, visit fire tube and be heated, break reaching the fusing point place at first, extinguishing chemical sprays to burning things which may cause a fire disaster from the aperture of breaking, implement to put out a fire.
Embodiment two
Present embodiment is two an indirect type extinguishing device of corresponding technical scheme, as shown in Figure 3, mainly by extinguishing chemical storage bottle 1, bottle valve 2, ball valve 3, visit fire tube 4, Pressure gauge 5 and releasing tube 7 and nozzle 6 is formed.The concrete structure of bottle valve 2 as shown in Figure 2, the import 2-7 of bottle valve 2 links to each other with extinguishing chemical storage bottle 1, a control mouthful 2-9 connects the spy fire tube 4 that is arranged in the protection zone by ball valve 3, outlet 2-7 connects nozzle 6 through another ball valve 3 ' and by connecing releasing tube 7.The piston 2-2 in T type cross section is housed in the valve body 2-1.This T type cross section piston 2-2 is divided into upper and lower two chamber 2-3 and 2-4 with valve body 2-1.Be shaped on the lower end in the piston 2-2 and inlay the intersection cross bore of sealing gasket 2-5.This cross bore is communicated with upper and lower chamber 2-3 and 2-4.
Under the normal condition, because the T type cross section piston 2-2 upper surface area in the valve body 2-1 is far longer than the lower surface area, and upper and lower chamber 2-3 and 2-4 are communicated with, pressure is identical, therefore the air pressure in the valve body 2-1 holds down piston 2-2 all the time and is in the limit inferior position, sealing gasket 2-5 blocks import 2-7, and bottle valve 2 is closed.When the condition of a fire takes place when, spy fire tube 4 after being heated reaches the fusing point place at first and breaks, the equal pressure release of upper and lower chamber in the bottle valve valve body 2-1 that is communicated with it by control mouthful 2-9, the pressure of extinguishing chemical storage bottle 1 will make piston 2-2 rise, sealing gasket 2-5 leaves import 2-7 as a result, it is big that lower chambers 2-4 volume becomes, and with the outlet 2-8 be communicated with, thereby bottle valve 2 is opened, extinguishing chemical in the extinguishing chemical storage bottle 1 is by the import and export of bottle valve 2, and ball valve 3, through releasing tube 7, spray to burning things which may cause a fire disaster by nozzle 6, rapidly it is put out.
In brief, its operation principle is: visit fire tube and link to each other with bottle valve control mouth by ball valve, releasing tube links to each other with the bottle valve outlet, by visiting the keying that fire tube is surveyed the condition of a fire and controlled bottle valve, after the condition of a fire takes place, visit fire tube and be subjected to thermal fracture, bottle valve is opened, extinguishing chemical sprays from nozzle through releasing tube, puts out burning things which may cause a fire disaster.
More than the spy fire tube automatic fire extinguisher of two embodiment can use carbon dioxide, heptafluoro-propane, ABC dry powder and other clean gas as extinguishing chemical.Because compact conformation, cheap, need not power supply, save the space, reaction fast, can not spray by mistake, therefore can be widely used in places such as oil/chemical industry, pharmaceutical factory, communication apparatus, power plant, kitchen, steel plant, military equipment, automobile, subway, banking equipment, inflammable thing warehouse, storage tank farm, computer floor, electric control box, panel.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (7)
1. spy fire tube automatic fire extinguisher, comprise extinguishing chemical storage bottle and bottle valve, described bottle valve is shaped on import and outlet, described extinguishing chemical storage bottle links to each other with described import, it is characterized in that: also comprise the spy fire tube, T type cross section piston in the described bottle valve valve body is divided into valve body, following two chambers, be shaped on the intersection cross bore of lower end sealing in the described piston, described cross bore will go up, lower chambers is communicated with, described lower chambers links to each other with the spy fire tube by outlet, when piston is in the limit inferior position, advances, passage between the outlet blocks, when the piston lifting, advance, passage between the outlet is opened.
2. according to the described spy fire tube of claim 1 automatic fire extinguisher, it is characterized in that: described bottle valve outlet connects the spy fire tube that is arranged in the protection zone by ball valve.
3. according to the described spy fire tube of claim 2 automatic fire extinguisher, it is characterized in that: the big end lower surface of described T type cross section piston is resisted against on the spring.
4. according to the described spy fire tube of claim 3 automatic fire extinguisher, it is characterized in that: sealing gasket is inlayed in the intersection cross bore lower end of described piston.
5. spy fire tube automatic fire extinguisher, comprise extinguishing chemical storage bottle and bottle valve, described bottle valve is shaped on import and outlet, described extinguishing chemical storage bottle links to each other with described import, described outlet links to each other with fire extinguishing sprayer through releasing tube, it is characterized in that: also comprise the spy fire tube, described bottle valve also is shaped on the control mouth, T type cross section piston in the valve body is divided into valve body, following two chambers, be shaped on the intersection cross bore of lower end sealing in the described piston, described cross bore will go up, lower chambers is communicated with, described upper chamber links to each other with the spy fire tube by the control mouth, and when piston was in the limit inferior position, obstruction advanced, passage between the outlet, when the piston lifting, open into, passage between the outlet.
6. according to the described spy fire tube of claim 5 automatic fire extinguisher, it is characterized in that: described bottle valve control mouth connects the spy fire tube that is arranged in the protection zone by ball valve, and described outlet connects nozzle through another ball valve and by connecing releasing tube.
7. according to the described spy fire tube of claim 5 automatic fire extinguisher, it is characterized in that: sealing gasket is inlayed in described intersection cross bore lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258975 CN2628091Y (en) | 2003-06-20 | 2003-06-20 | Fire probe automatic fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258975 CN2628091Y (en) | 2003-06-20 | 2003-06-20 | Fire probe automatic fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2628091Y true CN2628091Y (en) | 2004-07-28 |
Family
ID=34254683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03258975 Expired - Fee Related CN2628091Y (en) | 2003-06-20 | 2003-06-20 | Fire probe automatic fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2628091Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879363A (en) * | 2010-07-06 | 2010-11-10 | 北京化工大学 | Device and method for directly testing performance of fire detection tube |
| CN102225227A (en) * | 2011-05-17 | 2011-10-26 | 陕西陆方安全科技有限责任公司 | Automatic fire extinguishing device integrating functions of fire detection and fire extinguishment |
| CN102423517A (en) * | 2011-08-30 | 2012-04-25 | 河南省电力公司南阳供电公司 | Local submerged gas fire-extinguishing device in electronic distribution transforming cabinet |
| CN102600568A (en) * | 2010-08-12 | 2012-07-25 | 鸿富锦精密工业（深圳）有限公司 | Container data center and fire extinguishing device of container data center |
| CN103611224A (en) * | 2013-12-04 | 2014-03-05 | 国网上海市电力公司 | Explosion-proof and fire extinguishing device for cable |
| CN105031869A (en) * | 2015-09-18 | 2015-11-11 | 陕西盛邦赛福消防科技有限公司 | Fire extinguishing device |
| CN105080008A (en) * | 2015-08-13 | 2015-11-25 | 江苏银佳企业集团有限公司 | Fire trace tube type automatic nanometer powder-based dry powder fire extinguishing device |
| CN105641843A (en) * | 2016-03-22 | 2016-06-08 | 北京利达海鑫灭火系统设备有限公司 | Fire detecting pipe temperature sensing self-starting fire extinguishing device container valve |
| CN106880917A (en) * | 2017-04-13 | 2017-06-23 | 上海金洛海洋工程有限公司 | Automatic security bottle |
| CN106975182A (en) * | 2017-05-03 | 2017-07-25 | 上海金洛海洋工程有限公司 | Automatic security bottle system and its autocontrol method |
| CN108939354A (en) * | 2018-09-30 | 2018-12-07 | 福建省海西安全科技有限公司 | A kind of cabinet drawer type extinguishing device |
| CN110841236A (en) * | 2019-12-02 | 2020-02-28 | 安泰菲尔(北京)科技有限公司 | Micro-space overheating automatic protection system |
| CN112354110A (en) * | 2020-10-27 | 2021-02-12 | 上海纽特消防设备有限公司 | Fire detection tube type fire extinguishing device distribution valve |
| CN115382138A (en) * | 2022-08-30 | 2022-11-25 | 蓝菁(上海)安全技术有限公司 | Valve group and fire extinguishing device |
-
2003
- 2003-06-20 CN CN 03258975 patent/CN2628091Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879363A (en) * | 2010-07-06 | 2010-11-10 | 北京化工大学 | Device and method for directly testing performance of fire detection tube |
| CN101879363B (en) * | 2010-07-06 | 2012-01-25 | 北京化工大学 | Device and method for directly testing performance of fire detection tube |
| CN102600568A (en) * | 2010-08-12 | 2012-07-25 | 鸿富锦精密工业（深圳）有限公司 | Container data center and fire extinguishing device of container data center |
| CN102225227A (en) * | 2011-05-17 | 2011-10-26 | 陕西陆方安全科技有限责任公司 | Automatic fire extinguishing device integrating functions of fire detection and fire extinguishment |
| CN102423517A (en) * | 2011-08-30 | 2012-04-25 | 河南省电力公司南阳供电公司 | Local submerged gas fire-extinguishing device in electronic distribution transforming cabinet |
| CN103611224B (en) * | 2013-12-04 | 2016-03-30 | 国网上海市电力公司 | A kind of cable explosion-proof extinguishing device |
| CN103611224A (en) * | 2013-12-04 | 2014-03-05 | 国网上海市电力公司 | Explosion-proof and fire extinguishing device for cable |
| CN105080008A (en) * | 2015-08-13 | 2015-11-25 | 江苏银佳企业集团有限公司 | Fire trace tube type automatic nanometer powder-based dry powder fire extinguishing device |
| CN105031869A (en) * | 2015-09-18 | 2015-11-11 | 陕西盛邦赛福消防科技有限公司 | Fire extinguishing device |
| CN105641843A (en) * | 2016-03-22 | 2016-06-08 | 北京利达海鑫灭火系统设备有限公司 | Fire detecting pipe temperature sensing self-starting fire extinguishing device container valve |
| CN106880917A (en) * | 2017-04-13 | 2017-06-23 | 上海金洛海洋工程有限公司 | Automatic security bottle |
| WO2018201838A1 (en) * | 2017-05-03 | 2018-11-08 | 上海金洛海洋工程有限公司 | Automatic security bottle system and automatic control method therefor |
| CN106975182A (en) * | 2017-05-03 | 2017-07-25 | 上海金洛海洋工程有限公司 | Automatic security bottle system and its autocontrol method |
| US12005282B2 (en) | 2017-05-03 | 2024-06-11 | Shanghai Kino Safety Equipment Limited | Automatic safeguard bottle system and automatic control method therefor |
| CN108939354A (en) * | 2018-09-30 | 2018-12-07 | 福建省海西安全科技有限公司 | A kind of cabinet drawer type extinguishing device |
| CN108939354B (en) * | 2018-09-30 | 2023-11-03 | 福建省海西安全科技有限公司 | Cabinet drawer type fire extinguishing device |
| CN110841236A (en) * | 2019-12-02 | 2020-02-28 | 安泰菲尔(北京)科技有限公司 | Micro-space overheating automatic protection system |
| CN112354110A (en) * | 2020-10-27 | 2021-02-12 | 上海纽特消防设备有限公司 | Fire detection tube type fire extinguishing device distribution valve |
| CN115382138A (en) * | 2022-08-30 | 2022-11-25 | 蓝菁(上海)安全技术有限公司 | Valve group and fire extinguishing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2628091Y (en) | Fire probe automatic fire extinguisher | |
| CN110102001B (en) | Fire-fighting linkage control system | |
| CN201533958U (en) | Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer | |
| US11406855B2 (en) | Dynamic fire suppression system and method i'hereof | |
| CN201643488U (en) | Crude oil storage tank fire extinguishing system | |
| CN202223801U (en) | Automatic cabinet-type fire fighting device | |
| CN204798676U (en) | Store pressure formula gas type automatic fire extinguishing device in advance | |
| CN101728063A (en) | Oil evacuation and nitrogen injection control device of oil-immersed transformer | |
| CN210728497U (en) | Fire detection tube fire extinguishing device started indirectly | |
| CN201643503U (en) | Fire-fighting liquid storage tank system | |
| CN210610047U (en) | Electric appliance cabinet with self-protection function | |
| CN209696107U (en) | Kitchen extinguishing device | |
| CN112582893A (en) | Electrical switch cabinet with fire protection system | |
| CN204170318U (en) | A kind of automation fire extinguishing system adopting gas extinguishing agent | |
| CN204152649U (en) | For the fire-fighting system control gear of gas turbine | |
| CN211377195U (en) | Fire-proof and explosion-proof distribution box | |
| CN104492017A (en) | Mutual-operation automation double-control type water spray system opening technology | |
| JPH05253316A (en) | Extinguishing equipment | |
| KR101384253B1 (en) | Fire extinguishing equipment for small space | |
| CN209298579U (en) | A kind of passive self-extinguishing switchgear | |
| CN207822304U (en) | A kind of fire-extinguishing device for kitchen equipment | |
| CN219591912U (en) | Intelligent safe power supply unit of building with lightning protection function | |
| CN2448406Y (en) | Local extinguisher | |
| CN212235742U (en) | Perfluorohexanone fire extinguishing cabinet | |
| CN116780358B (en) | Automatic outage fire-extinguishing power cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040728 Termination date: 20110620 |