CN111228702A - Automatic fire extinguisher and fire extinguishing system - Google Patents
Automatic fire extinguisher and fire extinguishing system Download PDFInfo
- Publication number
- CN111228702A CN111228702A CN202010181989.6A CN202010181989A CN111228702A CN 111228702 A CN111228702 A CN 111228702A CN 202010181989 A CN202010181989 A CN 202010181989A CN 111228702 A CN111228702 A CN 111228702A
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- CN
- China
- Prior art keywords
- fire extinguishing
- temperature
- air outlet
- temperature sensing
- fire extinguisher
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- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 30
- 230000004888 barrier function Effects 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 231100000136 action limit Toxicity 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
Abstract
The invention relates to an automatic fire extinguisher and fire extinguishing system, which comprises a steel cylinder and a spraying device, wherein the spraying device comprises a bottleneck connecting piece and a shell, the bottleneck connecting piece is in sealing connection with the steel cylinder, the shell is in sealing connection with the bottleneck connecting piece, the bottleneck connecting piece is provided with a first air outlet, a spraying air passage used for communicating the first air outlet is arranged in the shell, a temperature sensing blocking piece used for closing the first air outlet is fixedly arranged in the spraying air passage, and the temperature sensing blocking piece is suitable for self-explosion when being heated and opening the first air outlet so as to enable a high-pressure fire extinguishing agent in the steel cylinder to be sprayed out through the spraying air passage. The invention adopts a simplified mechanical structure, avoids using redundant electric circuits, thereby leading the performance to be more stable and reliable, and has the advantages of maintenance free, high fire extinguishing efficiency, low fire extinguishing cost, long storage life and the like.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to an automatic fire extinguisher and a fire extinguishing system.
Background
The fire extinguisher is a common fire-fighting facility, including foam fire extinguisher, dry powder fire extinguisher, carbon dioxide fire extinguisher and clear water fire extinguisher, etc., and the use methods and places of different fire extinguishers are different.
At present, the types of fire-fighting equipment in special places such as a 5G base station, a small and miniature energy storage power station and the like are fewer, particularly, the number of the fire-fighting equipment in a spare lithium battery energy storage system for a lithium battery, a circuit board and a communication base station is less, and some existing fire extinguisher products in the market are low in fire extinguishing efficiency generally, high in product cost and difficult to meet market demands.
Disclosure of Invention
Based on this, there is a need for an automatic fire extinguisher and a fire extinguishing system, aiming to reduce the fire extinguishing cost and improve the fire extinguishing efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme.
The invention provides an automatic fire extinguisher, which comprises a steel cylinder filled with a high-pressure fire extinguishing agent and a spraying device connected with the steel cylinder, wherein the spraying device comprises a bottleneck connecting piece and a shell, the bottleneck connecting piece is connected with the steel cylinder in a sealing way, the shell is connected with the bottleneck connecting piece in a sealing way, the bottleneck connecting piece is provided with a first air outlet, a spraying air passage communicated with the first air outlet is arranged in the shell, a temperature-sensing blocking piece for closing the first air outlet is fixedly arranged in the spraying air passage, and the temperature-sensing blocking piece is self-adapted to open the first air outlet after being heated so that the high-pressure fire extinguishing agent in the steel cylinder is sprayed out through the spraying air passage.
Preferably, the temperature-sensing barrier is a temperature-sensing glass body or a fusible metal body, the temperature-sensing glass body is suitable for being heated to burst, and the fusible metal body is suitable for being heated to melt.
Preferably, a first sealing element is arranged between the outer shell and the bottleneck connecting piece, the first sealing element is provided with a second air outlet communicated with the first air outlet, and one end of the temperature-sensing barrier is plugged at the second air outlet.
Preferably, the first sealing element is a hollow cylinder which is in sealing fit with the inner wall of the outer shell, and a first sealing ring is arranged at the sealing joint surface.
Preferably, the high-pressure fire extinguishing agent is a mixture of a liquid or gaseous fire extinguishing agent and a high-pressure gas.
Preferably, one end of the bottle mouth connecting piece is provided with a connector which is matched and connected with the bottle mouth of the steel bottle, the other end of the bottle mouth connecting piece is provided with the first air outlet which is communicated with the connector, and a disperser which is suitable for atomizing the mixture is arranged between the first air outlet and the connector.
Preferably, the temperature-sensing device further comprises a signal feedback device, wherein the signal feedback device is arranged close to the temperature-sensing barrier and is suitable for sending a feedback signal outwards when the temperature-sensing barrier is detected to explode or melt.
Preferably, the temperature-sensing device further comprises an electric starting device, wherein the electric starting device is arranged outside the temperature-sensing barrier and electrically heats the temperature-sensing barrier.
Preferably, the side surface of the shell is provided with a plurality of nozzles which are respectively communicated with the jet air passages, and the high-pressure fire extinguishing agent is suitable for being sprayed out from the nozzles through the jet air passages.
The invention also provides a fire extinguishing system, which comprises a plurality of fire extinguishers and a controller arranged at a far end, wherein the fire extinguishers are the automatic fire extinguishers, and the controller is respectively and electrically connected with the fire extinguishers; the fire extinguisher is suitable for opening the first air outlet to realize active fire extinguishing when the temperature sensing blocking piece senses high temperature, and is also suitable for heating the temperature sensing blocking piece to realize passive fire extinguishing through the controller.
Compared with the traditional fire extinguisher and fire extinguishing system, the automatic fire extinguisher and the fire extinguishing system of the invention sense the temperature of protected equipment or environment through the temperature sensing blocking piece to judge whether a fire occurs, and realize active fire extinguishing through the action of the temperature sensing blocking piece when the fire occurs, thus having high fire extinguishing efficiency; the temperature-sensing blocking piece can be electrically heated through the controller, so that the temperature-sensing blocking piece is self-exploded or melted, and passive fire extinguishing is realized. The invention adopts a simplified mechanical structure, avoids using redundant electric circuits, thereby leading the performance to be more stable and reliable, and has the advantages of maintenance free, wide application range, high fire extinguishing efficiency, low fire extinguishing cost, long preservation life and the like.
Drawings
FIG. 1 is a schematic view showing the overall construction of an automatic fire extinguisher according to the present embodiment;
FIG. 2 is a schematic sectional view showing the structure of the automatic fire extinguisher according to the embodiment;
fig. 3 is a schematic diagram of the frame structure of the fire extinguishing system of the present embodiment.
The implementation of the objects of the present invention and their functions and principles will be further explained in the detailed description with reference to the attached drawings.
Detailed Description
The following further description is made with reference to the drawings and specific embodiments.
As shown in fig. 1 and 2, the present embodiment provides an automatic fire extinguisher 100 including a cylinder 20 containing a high pressure fire extinguishing agent and a spraying means 10 connected to the cylinder 20. The injection device 10 comprises a bottleneck connector 11 connected with the steel cylinder 20 in a sealing manner and a shell 12 connected with the bottleneck connector 11 in a sealing manner, wherein the bottleneck connector 11 is provided with a first air outlet 111. A spray air passage 121 for communicating the first air outlet 111 is arranged in the housing 12, a temperature-sensing barrier 13 for closing the first air outlet 111 is fixedly arranged in the spray air passage 121, and the temperature-sensing barrier 13 is adapted to open the first air outlet 111 after being heated, so that the high-pressure fire extinguishing agent in the steel cylinder 20 is sprayed out through the spray air passage 121.
The temperature-sensing barrier 13 may be a temperature-sensing glass body or a fusible metal body, the temperature-sensing glass body is suitable for being heated and burst, the fusible metal body is suitable for being heated and melted, and after the temperature-sensing glass body bursts or the fusible metal body melts (hereinafter, collectively referred to as "temperature-sensing barrier 13 acts"), the first air outlet 111 is opened by the high-pressure fire extinguishing agent in the steel cylinder 20. The temperature-sensing glass body and the fusible metal body belong to common temperature-sensing action products in the market, the action (burst) temperature of the temperature-sensing glass body is about 57-141 ℃, and the action (melting) temperature of the fusible metal body is about 57-260 ℃. The temperature-sensitive blocking piece 13 with different operating temperatures can be selected according to different fire extinguishing places.
Specifically, a first sealing member 14 is disposed between the outer shell 12 and the mouthpiece connecting member 11, the first sealing member 14 has a second air outlet 141 communicated with the first air outlet 111, and one end of the temperature-sensitive barrier 13 is plugged in the second air outlet 141. When the temperature-sensing blocking member 13 is actuated, the second air outlet 141 is opened, and the high-pressure fire extinguishing agent can enter the injection air duct 121 through the second air outlet 141 and then is sprayed out from the injection air duct 121, so that the effect of automatic fire extinguishing is achieved.
The first sealing member 14 is a hollow column, and is in sealing engagement with the inner wall of the housing 12, and a first sealing ring 15 is provided at the joint surface of the two to prevent leakage.
To further enhance the sealing effect, the present embodiment further provides a second sealing ring 16 between the first sealing member 14 and the mouthpiece connecting member 11 to prevent high-pressure gas from leaking from the joint between the first sealing member 14 and the mouthpiece connecting member 11.
In order to simplify the structure of the product, the high pressure fire extinguishing agent of this embodiment is a mixture of a liquid fire extinguishing agent or a gas fire extinguishing agent and a high pressure gas, and the gas and the liquid can be mixed by charging a high pressure inert gas into the steel cylinder 20 containing the liquid fire extinguishing agent or the gas fire extinguishing agent in advance, so that the high pressure gas is mixed with the liquid fire extinguishing agent or the gas fire extinguishing agent and is simultaneously sprayed outwards when releasing, thereby not only realizing the function of releasing the fire extinguishing agent, but also omitting a driving device, thereby simplifying the structure of the product and improving the reliability of the product.
In order to widen the application places of the product, the perfluorohexanone-type fire extinguishing agent can be adopted in the embodiment, is non-conductive, residue-free and non-corrosive, and does not damage human bodies and equipment, so that the perfluorohexanone-type fire extinguishing agent is very suitable for being used as fire fighting equipment of communication base stations, lithium energy storage boxes, new energy vehicles power battery packs, electric appliance cabinets, machine rooms, data centers, high-precision instruments and the like. Meanwhile, the perfluorohexanone fire extinguishing agent is liquid at normal temperature and is easy to atomize after being sprayed at high speed, so that the fire extinguishing efficiency is high, the maintenance is avoided, and the use cost is favorably reduced.
The capacity and size of the steel cylinder 20 can be selected properly, and the pressure of the internal gas can be adjusted properly, so that the fire extinguishing range can be adjusted, and therefore, a user can select different fire extinguishing places according to different fire extinguishing ranges.
Further, one end of the mouthpiece connector 11 has a port 112 connected to the mouthpiece 21 of the steel cylinder 20 in a matching manner, the other end has the first air outlet 111 communicated with the port 112, and a disperser 113 adapted to atomize the mixture is disposed between the first air outlet 111 and the port 112. This deconcentrator 113 can improve the atomization effect of mixture, and the area of coverage of increase fire extinguishing agent, and then reinforcing fire extinguishing effect.
In addition, the present embodiment further includes a signal feedback device (not shown) disposed near the temperature-sensitive barrier 13, and configured to send a feedback signal when detecting that the temperature-sensitive barrier has self-explosion, melting, or the like, or when the ambient temperature reaches the operating temperature. This is favorable to through being connected to the control center, can in time send the warning to the control center when the conflagration breaks out, reminds people to pay attention to and deal with.
Further, the automatic fire extinguisher 100 of the present embodiment further includes an electric starting device that is provided outside the temperature-sensitive barrier 13 and electrically heats the temperature-sensitive barrier 13. The remote fire extinguishing device is connected to a control center, the control center transmits commands, the temperature-sensitive blocking piece 13 is electrically heated, the temperature-sensitive blocking piece 13 acts, fire extinguishing agents are released, and remote fire extinguishing is achieved.
Specifically, the electric starting device may include an annular ceramic heating sheet 17, and the ceramic heating sheet 17 may be sleeved outside the temperature-sensitive barrier member 13. The ceramic heating sheet 17 generates heat after being powered on and conducts the heat to the temperature sensing barrier 13, and when the temperature reaches the action limit, the temperature sensing barrier 13 acts to release the fire extinguishing agent, thereby starting fire extinguishing.
Referring to fig. 2 again, the side surface of the housing 12 is provided with a plurality of nozzle holes 122, the plurality of nozzle holes 122 are respectively communicated with the spray air duct 121, and after the temperature-sensitive barrier 13 is actuated, the high-pressure fire extinguishing agent passes through the first air outlet 111, the second air outlet 141 and the spray air duct 121 in sequence, and is finally sprayed out from the plurality of nozzle holes 122 at a high speed. The plurality of orifices 122 may be arranged in a circular pattern on the circumferential side of the housing 12 to achieve a 360 degree fire suppression on the circumference.
Referring to fig. 3, the present embodiment further provides a fire extinguishing system, which includes n fire extinguishers and a controller disposed at a remote end, where the fire extinguishers are the automatic fire extinguishers shown in fig. 1 and 2, and the controller is electrically connected to the n fire extinguishers. When the fire extinguisher system is arranged, the n fire extinguishers are placed in an area to be protected, and the controller is installed in a control center or a control room of an administrator, so that the fire extinguishing system of the embodiment can open the first air outlet to realize active fire extinguishing when the temperature sensing blocking piece senses that high temperature is generated in the area to be protected, the temperature sensing blocking piece can be heated by the controller to realize passive fire extinguishing by spontaneous explosion or melting of the temperature sensing blocking piece, and the current state of the fire extinguisher can be fed back to the controller through the signal feedback device, so that the fire extinguishing system can be monitored and maintained in real time.
The structure, function and principle of the fire extinguisher can refer to the description in the above, and the description is omitted. Because a plurality of fire extinguishers can be controlled to a controller, consequently, this embodiment can protect a plurality of regions of treating protection simultaneously, and need not personnel on duty, and is safe more high-efficient.
In conclusion, the automatic fire extinguisher and the fire extinguishing system of the invention judge whether a fire disaster occurs by sensing the temperature in the protected equipment or the environment, and realize active fire extinguishing by the self-explosion of the temperature-sensitive blocking piece when the fire disaster occurs, and have high fire extinguishing efficiency; the temperature-sensing blocking piece can be electrically heated through the controller, so that the temperature-sensing blocking piece is self-exploded, and passive fire extinguishing is realized. The invention adopts a simplified mechanical structure, avoids using redundant electric circuits, thereby leading the performance to be more stable and reliable, and has the advantages of maintenance free, high fire extinguishing efficiency, low fire extinguishing cost, long storage life and the like. And the perfluorohexanone fire extinguishing agent is very suitable for serving as fire fighting equipment of communication base stations, lithium energy storage boxes, new energy automobile power battery packs, electric appliance cabinets, machine rooms, data centers, high-precision instruments, circuit boards and the like, and the application range of the product is greatly widened.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. An automatic fire extinguisher, including the steel bottle that is equipped with high-pressure fire extinguishing agent and with the injection apparatus that the steel bottle is connected, its characterized in that: the spraying device comprises a bottle mouth connecting piece and a shell, the bottle mouth connecting piece is connected with the steel cylinder in a sealing mode, the shell is connected with the bottle mouth connecting piece in a sealing mode, the bottle mouth connecting piece is provided with a first gas outlet, a spraying gas channel used for being communicated with the first gas outlet is arranged in the shell, a temperature sensing blocking piece used for closing the first gas outlet is fixedly arranged in the spraying gas channel, and the temperature sensing blocking piece is self-suitable for opening the first gas outlet after being heated, so that the high-pressure fire extinguishing agent in the steel cylinder is sprayed out through the spraying gas channel.
2. The automatic fire extinguisher according to claim 1, wherein: the temperature sensing barrier is a temperature sensing glass body or a fusible metal body, the temperature sensing glass body is suitable for being heated and burst, and the fusible metal body is suitable for being heated and melted.
3. The automatic fire extinguisher as claimed in claim 2, wherein: and a first sealing element is arranged between the shell and the bottleneck connecting piece, the first sealing element is provided with a second air outlet communicated with the first air outlet, and one end of the temperature sensing barrier is blocked at the second air outlet.
4. An automatic fire extinguisher according to claim 3, wherein: the first sealing element is in a hollow column shape, is in sealing fit with the inner wall of the shell, and is provided with a first sealing ring at a sealing joint face.
5. The automatic fire extinguisher as claimed in claim 2, wherein: the high-pressure fire extinguishing agent is a mixture of a liquid or gas fire extinguishing agent and high-pressure gas.
6. The automatic fire extinguisher as claimed in claim 4, wherein: one end of the bottle mouth connecting piece is provided with a connector which is matched and connected with the bottle mouth of the steel bottle, the other end of the bottle mouth connecting piece is provided with the first air outlet which is communicated with the connector, and a disperser which is suitable for atomizing the mixture is arranged between the first air outlet and the connector.
7. The automatic fire extinguisher as claimed in claim 2, wherein: the temperature-sensing barrier is characterized by further comprising a signal feedback device, wherein the signal feedback device is arranged close to the temperature-sensing barrier and is suitable for sending a feedback signal outwards when the temperature-sensing barrier is detected to explode or melt.
8. The automatic fire extinguisher according to claim 1, 2 or 7, wherein: the temperature sensing barrier is characterized by further comprising an electric starting device, wherein the electric starting device is arranged outside the temperature sensing barrier and electrically heats the temperature sensing barrier.
9. The automatic fire extinguisher as claimed in claim 2, wherein: the side of the shell is provided with a plurality of nozzles which are respectively communicated with the jet air passage, and the high-pressure fire extinguishing agent is suitable for being sprayed out from the nozzles through the jet air passage.
10. A fire suppression system characterized by: the fire extinguisher comprises a plurality of fire extinguishers and a controller arranged at a remote end, wherein the fire extinguishers are the automatic fire extinguishers in any one of claims 1 to 9, and the controller is electrically connected with the fire extinguishers respectively; the fire extinguisher is suitable for opening the first air outlet to realize active fire extinguishing when the temperature sensing blocking piece senses high temperature, and is also suitable for heating the temperature sensing blocking piece to realize passive fire extinguishing through the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181989.6A CN111228702A (en) | 2020-03-16 | 2020-03-16 | Automatic fire extinguisher and fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181989.6A CN111228702A (en) | 2020-03-16 | 2020-03-16 | Automatic fire extinguisher and fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111228702A true CN111228702A (en) | 2020-06-05 |
Family
ID=70867799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010181989.6A Pending CN111228702A (en) | 2020-03-16 | 2020-03-16 | Automatic fire extinguisher and fire extinguishing system |
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| Country | Link |
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| CN (1) | CN111228702A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206454A (en) * | 2020-09-29 | 2021-01-12 | 菲莱技术(广州)有限公司 | Fire extinguisher starting drive, fire extinguisher |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT6200U2 (en) * | 2003-02-26 | 2003-06-25 | Michael Leitgeb | AUTOMATIC FIRE EXTINGUISHING SYSTEM |
| CN2873256Y (en) * | 2005-12-20 | 2007-02-28 | 宋明韬 | Hanging type super fine dry powder fire extinguisher |
| KR101404284B1 (en) * | 2013-02-16 | 2014-06-05 | 김무궁 | Automatic operating head structure for unmanned automatic fire extinguisher |
| CN110115816A (en) * | 2019-06-03 | 2019-08-13 | 北京紫光新锐科技发展有限公司 | A kind of power distribution cabinet being exclusively used in security against fire and method |
| CN211986780U (en) * | 2020-03-16 | 2020-11-24 | 北京星日消防技术有限公司 | Automatic fire extinguisher and fire extinguishing system |
-
2020
- 2020-03-16 CN CN202010181989.6A patent/CN111228702A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT6200U2 (en) * | 2003-02-26 | 2003-06-25 | Michael Leitgeb | AUTOMATIC FIRE EXTINGUISHING SYSTEM |
| CN2873256Y (en) * | 2005-12-20 | 2007-02-28 | 宋明韬 | Hanging type super fine dry powder fire extinguisher |
| KR101404284B1 (en) * | 2013-02-16 | 2014-06-05 | 김무궁 | Automatic operating head structure for unmanned automatic fire extinguisher |
| CN110115816A (en) * | 2019-06-03 | 2019-08-13 | 北京紫光新锐科技发展有限公司 | A kind of power distribution cabinet being exclusively used in security against fire and method |
| CN211986780U (en) * | 2020-03-16 | 2020-11-24 | 北京星日消防技术有限公司 | Automatic fire extinguisher and fire extinguishing system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206454A (en) * | 2020-09-29 | 2021-01-12 | 菲莱技术(广州)有限公司 | Fire extinguisher starting drive, fire extinguisher |
| CN112206454B (en) * | 2020-09-29 | 2024-04-19 | 菲莱技术(广州)有限公司 | Fire extinguisher starting device and fire extinguisher |
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