CN111437553A - Fire extinguishing device and fire fighting container thereof - Google Patents
Fire extinguishing device and fire fighting container thereof Download PDFInfo
- Publication number
- CN111437553A CN111437553A CN202010461310.9A CN202010461310A CN111437553A CN 111437553 A CN111437553 A CN 111437553A CN 202010461310 A CN202010461310 A CN 202010461310A CN 111437553 A CN111437553 A CN 111437553A
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- fire
- fighting container
- container
- storage bag
- liquid storage
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- 239000007788 liquid Substances 0.000 claims abstract description 89
- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000741 silica gel Substances 0.000 claims description 13
- 229910002027 silica gel Inorganic materials 0.000 claims description 13
- 239000002861 polymer material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 13
- 230000001788 irregular Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DIKBFYAXUHHXCS-UHFFFAOYSA-N bromoform Chemical compound BrC(Br)Br DIKBFYAXUHHXCS-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 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 1
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 229950005228 bromoform Drugs 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention relates to a fire extinguishing device, which comprises a fire fighting container, a release spray head, an air passage and a pressurizing device, wherein the release spray head, the air passage and the pressurizing device are matched and arranged on the fire fighting container; the fire fighting container is a flexible fire fighting container and is formed by a multilayer structure; the edges of two layers of the outer side of the fire-fighting container are bonded after hot melting to form a gas-tight cavity, the middle two layers of the fire-fighting container form a liquid storage bag after hot forming, and the liquid storage bag is wrapped in the cavity; the periphery of the fire-fighting container is provided with a liquid outlet in a matching way, and the liquid outlet is directly communicated with the liquid storage bag and is exposed to the outer side of the fire-fighting container; the release nozzle is matched and sealed at the liquid outlet; the air passage is arranged on one side of the fire-fighting container in a matching way, the outer port of the air passage is connected with the pressurizing device in a matching way, and the inner port of the air passage is directly connected with the cavity in a hot melting way. The invention has the advantages of low cost, easy manufacture, no pressure storage, small volume, convenient installation, no need of inspection and maintenance during daily storage, and capability of safely and effectively extinguishing fire and ensuring the safety of personnel and property during fire.
Description
Technical Field
The invention belongs to the fire-fighting technology, and particularly relates to a fire extinguishing device and a fire-fighting container thereof.
Background
The existing various fire-fighting containers and fire extinguishing devices thereof mainly comprise a pressure container and a water storage tank, and the shape of the fire-fighting container is cylindrical, spherical or cuboid. The working modes are two types: one uses gas pressure to press out stored fire extinguishing medium, and one uses water pump to pump out fire extinguishing medium in the box. The two fire-fighting containers are made of metal materials and cannot be placed in narrow or irregular spaces, particularly pressurized containers must be designed into the shape of a pressure container, the volume of the pressure container is limited by the shape, and the placing space cannot be effectively utilized. The two conventional fire-fighting containers realize the fire-fighting function; but receive material and shape restriction, most use to place between the storage bottle, need install piping system, and construction work volume is big, and work complexity is high, and most use manual control, easily delay the best opportunity of putting out a fire, and its application range is limited.
If the accurate fire control is required to be carried out in an irregular or narrow space, the metal pressure container and the water tank cannot be realized. With the appearance of novel fire extinguishing media such as perfluorohexanone and tribromomethane, the fire extinguishing media are in a liquid state in daily storage state, have high fire extinguishing efficiency and can realize accurate fire control and distribution control in irregular or narrow spaces. Therefore, the need for a fire extinguishing device and a fire fighting container thereof, which can be arbitrarily arranged and can be controlled to be started in an automatic or intelligent manner, is met in the fire fighting industry.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the fire extinguishing device and the fire fighting container thereof, which have the characteristics of simple and reasonable structural design, low cost, easy manufacture, no pressure storage, small volume and convenient installation, do not need to be checked and maintained during daily storage, can safely and effectively extinguish fire when a fire disaster happens, and can ensure the safety of personnel and property.
The technical scheme of the invention is as follows:
the fire extinguishing device comprises a fire fighting container, a release spray head, an air passage and a pressurizing device, wherein the release spray head, the air passage and the pressurizing device are arranged on the fire fighting container in a matched mode; the fire fighting container is a flexible fire fighting container and is formed by a four-layer structure; the edges of two layers of the outer side of the fire-fighting container are bonded after hot melting to form an airtight cavity, two layers of the middle of the fire-fighting container form a liquid storage bag after hot forming, and the liquid storage bag is wrapped in the cavity; a liquid outlet is formed in the periphery of the fire fighting container in a matched mode, and the liquid outlet is directly communicated with the liquid storage bag and is exposed out of the fire fighting container; the release spray head is matched and sealed with the liquid outlet; the air passage is arranged on one side of the fire fighting container in a matching mode, the outer port of the air passage is connected with the pressurizing device in a matching mode, and the inner port of the air passage is directly connected with the cavity in a hot melting mode.
The fire extinguishing apparatus, wherein: the liquid storage bag can adopt more than one small liquid bag structure which are communicated with each other.
The fire extinguishing apparatus, wherein: the liquid storage bag can also adopt a single liquid storage bag structure formed by connecting the edges of two high polymer materials.
The fire extinguishing apparatus, wherein: the release nozzle and the liquid outlet are in sealing connection by hot melting, threads or a sealing ring.
The fire extinguishing apparatus, wherein: the interior of the release nozzle is matched with a pre-breaking piece; the pre-breaking piece is connected with the liquid outlet in a sealing way through hot melting, threads or a sealing ring.
The fire extinguishing apparatus, wherein: the pressurizing device consists of a medicine body generating cavity, a gas generating medicine column, a starting line and a silica gel plug; the tail end of the medicine body generating cavity is hermetically connected with the outer port of the air passage through hot melting, threads or a sealing ring; a silica gel plug is arranged inside the head end of the medicine body generating cavity in a matching way; the gas generating grain is arranged inside the medicine body generating cavity in a matching way; one end of the starting line penetrates through the silica gel plug and extends into the medicine body generation cavity to be connected with the gas generation medicine column in a matching mode, and the other end of the starting line penetrates through the silica gel plug to be electrically connected with an external control device.
A fire fighting container is a flexible fire fighting container and is composed of a four-layer structure; the edges of two layers of the outer side of the fire-fighting container are bonded after hot melting to form an airtight cavity, two layers of the middle of the fire-fighting container form a liquid storage bag after hot forming, and the liquid storage bag is wrapped in the cavity; a liquid outlet is formed in the periphery of the fire fighting container in a matched mode, and the liquid outlet is directly communicated with the liquid storage bag and is exposed out of the fire fighting container; a release nozzle of the fire extinguishing device is matched and sealed at the liquid outlet; the air passage of the fire extinguishing device is matched and arranged on one side of the fire fighting container, the outer port of the air passage of the fire extinguishing device is matched and connected with the pressurizing device of the fire extinguishing device, and the inner port of the fire extinguishing device is directly connected with the cavity in a hot melting mode.
The fire fighting container, wherein: the liquid storage bag adopts more than one small liquid bag structure which are communicated with each other.
The fire fighting container, wherein: the liquid storage bag is of a single liquid storage bag structure formed by connecting edges of two high polymer materials.
Has the advantages that:
the fire extinguishing device and the fire fighting container thereof have the characteristics of simple and reasonable structural design, low cost, easiness in manufacturing, no pressure storage, small volume and convenience in installation, do not need to be checked and maintained during daily storage, can safely and effectively extinguish fire when a fire disaster occurs, and can ensure the safety of personnel and property.
The fire fighting container is made of the high polymer material, so that the fire fighting container is low in forming and processing difficulty, high in reliability and low in price, and the weight and the volume of the fire fighting container can be greatly reduced; simultaneously this fire control container is flexible fire control container, has the flexible characteristics for the product can realize the installation and arrange in complicated and narrow and small space, makes accurate fire control arrange, remote detection control's mode change realize.
The invention is in a non-pressure state in daily life, once a fire breaks out, the pressurizing device generates gas to apply pressure to the fire-fighting container, and the stored liquid fire extinguishing agent is extruded out from the spraying opening of the fire-fighting container to extinguish the fire in a preset fire-fighting area.
The invention adopts the pressureless stored fire extinguishing agent, and the liquid storage bag is filled with a certain dosage of liquid fire extinguishing agent; after receiving the fire alarm signal, the external control device outputs firing current to the starting line in an automatic or electric mode, the medicine body is ignited, a large amount of gas is generated through chemical reaction, the gas breaks through the air passage and enters the fire-fighting container, certain pressure is formed in the closed space between the outer layers along with the increase of the gas, the liquid fire-fighting agent stored in the liquid storage bag is extruded to break through the pre-breaking pieces in the release spray heads and is sprayed out from the release spray heads, effective fire fighting is carried out on a preset fire-fighting area, and the safety of personnel and property can be effectively guaranteed.
Drawings
Fig. 1 is a schematic view showing the construction of a fire extinguishing apparatus according to the present invention.
Fig. 2 is a schematic structural view of the fire fighting container of the present invention.
Fig. 3 is a schematic structural diagram of a reservoir in a fire fighting container according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of a reservoir in a fire fighting container according to embodiment 2 of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The invention mainly discloses a fire-fighting container and a fire extinguishing device thereof. The drawings referred to herein are not necessarily drawn to scale, and are not necessarily to scale, so as to represent the structural features of the invention.
Example 1
As shown in fig. 1 to 3, the fire extinguishing apparatus of the present invention includes a fire fighting container 1, a release nozzle 2, a pre-breaking piece 3, an air duct 4 and a pressurizing device 5.
The fire fighting container 1 is a flexible fire fighting container and is composed of four layers (as shown in figure 2), the middle two layers are made of high polymer materials (such as PE or PC materials) with good pressure resistance and elasticity, and the outer two layers are made of high polymer materials (such as aluminum-plastic materials) with lower elasticity; wherein, the edges of the two layers 10 at the outer side of the fire fighting container 1 are bonded after hot melting to form a airtight cavity, and the two layers at the middle of the fire fighting container 1 form a liquid storage bag 11 after hot forming and are wrapped in the cavity formed by the two layers 10 at the outer side of the fire fighting container 1; the periphery of the fire-fighting container 1 is provided with a liquid outlet 12 in a matching way, and the liquid outlet 12 is directly communicated with the liquid storage bag 11 and is exposed out of the fire-fighting container 1. The liquid storage bags 11 adopt a plurality of small liquid bag structures which are mutually communicated, when a certain amount of liquid fire extinguishing agent 7 is filled, the whole thickness is consistent and the small liquid bags are in a communicated calabash shape (as shown in figure 3), the small liquid bags are easy to bend transversely and longitudinally, meanwhile, the liquid fire extinguishing agent 7 stored in the small liquid bags are mutually communicated, pipelines are arranged around the small liquid bags (namely the small liquid bags are connected through pipelines) to communicate all the peripheral liquid storage bags 11, and once the small liquid bags are pressed, the fire extinguishing agent 7 in each small liquid bag can be ensured to flow mutually; the release nozzle 2 is provided with four outer ports which are respectively matched and sealed with the liquid outlets 12 arranged around the fire fighting container 1; the inside matching of every release shower nozzle 2 is equipped with in advance broken piece 3, and this release shower nozzle 2 and liquid outlet 12 can adopt hot melt or screw thread, sealing washer sealing connection, guarantees that release shower nozzle 2 and liquid outlet 12 junction are sealed.
The pre-breaking piece 3 is connected with a liquid outlet 12 of the fire-fighting container 1 through hot melting, and the pre-breaking piece 3 is used for ensuring the sealing of the liquid fire extinguishing agent 7; the pre-breaking piece 3 is broken after being pressurized, and the liquid fire extinguishing agent 7 can be sprayed out from the release nozzle 2 under the action of pressure.
The air passage 4 is arranged in the middle of one side of the fire fighting container 1 in a matching way, the inner port of the air passage is directly connected with an airtight cavity formed by two layers 10 on the outer side of the fire fighting container 1 in a hot melting way, and the outer port of the air passage is connected with the pressurizing device 5 in a matching way.
The pressurizing device 5 is arranged at the outer port of the air passage 4 in a matching way and consists of a medicine body generating cavity 51, a gas generating medicine column 52, a starting line 53 and a silica gel plug 54. Wherein, the tail end of the medicine body generating cavity 51 is connected with the outer port of the air passage 4 through hot melting or threads and a sealing ring, thereby ensuring that the joint of the tail end of the medicine body generating cavity 51 and the outer port of the air passage 4 is sealed; a silica gel plug 54 is fittingly mounted inside the head end of the body generating chamber 51. The gas generating grain 52 is arranged inside the medicine body generating cavity 5 in a matching way; one end of the starting line 53 passes through the silica gel plug 8 and extends into the medicine generation cavity 5 to be matched and connected with the gas generation medicine column 52, the other end of the starting line 53 passes through the silica gel plug 54 to be electrically connected with an external control device, and the silica gel plug 54 can ensure that gas generated in the medicine generation cavity 51 is not leaked.
Example 2
As shown in fig. 4, the fire fighting container 6 of the fire fighting device according to embodiment 2 of the present invention is completely the same as embodiment 1 except that the structure of the reservoir 61 is different from the structure of the reservoir 11 of the fire fighting container 1 according to embodiment 1, and further description thereof is omitted; the liquid storage bag 61 in embodiment 2 of the present invention is a single liquid storage bag formed by connecting edges of two sheets of polymer materials, and is wrapped in a cavity formed by two layers of outer sides of the fire fighting container 6, and the amount of the stored liquid fire extinguishing agent 7 is small; the reservoir 61 has two release nozzles 611, and a pre-burst disk 612 is fittingly mounted at an outlet of each of the release nozzles 611.
Since the working principle of the embodiment 1 of the present invention is the same as that of the embodiment 2, only the working principle of the embodiment 1 of the present invention will be described:
under the non-working state, the fire-fighting container 1 is filled with a certain dosage of liquid fire-extinguishing agent 6, a liquid outlet 12 communicated with the fire-fighting container is connected with the release nozzle 2 by hot melting or by screw threads and a sealing ring, and the interior of the release nozzle 2 is provided with the pre-breaking piece 3 to ensure that the liquid fire-extinguishing agent 7 is in a sealing state; after receiving a fire alarm signal, an external control device outputs an ignition current to a starting line 53 in an automatic or manual mode, a gas generating explosive column 52 is ignited, a large amount of gas is generated through chemical reaction, certain pressure is formed in a closed explosive body generating cavity 51, the gas breaks through an outer end opening of a gas passage 4 and enters a fire fighting container 1, pressurized gas enters a cavity formed by two layers 10 on the outer side of the fire fighting container 1 through the gas passage 4, the pressurized gas is accumulated in a large amount in the cavity between a liquid storage bag 11 and the two layers 10 on the outer side of the fire fighting container 1, the liquid storage bag 11 is extruded, the liquid storage bag 11 enters a liquid outlet 12 under the extrusion of the pressurized gas and breaks through a pre-breaking piece 3, the pressurized gas is sprayed out through a release nozzle 2, and effective fire extinguishing is carried out on a preset.
The fire extinguisher has the characteristics of simple and reasonable structural design, low cost, easiness in manufacturing, no pressure storage, small volume and convenience in installation, does not need to be checked and maintained during daily storage, can safely and effectively extinguish fire when a fire disaster occurs, and can ensure the safety of personnel and property.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; the pressure device can be replaced by a gas storage bottle, a gas generator or other pressurizing devices in the fire fighting field. The fire fighting container is not limited to the four-layer structure, and can be replaced by a double-layer or multi-layer structure, and the mode of extruding the flexible container to release the liquid fire extinguishing agent is within the protection scope of the invention. While the invention has been described in terms of what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A fire extinguishing device comprises a fire fighting container, a release spray head, an air passage and a pressurizing device, wherein the release spray head, the air passage and the pressurizing device are matched and arranged on the fire fighting container; the method is characterized in that: the fire fighting container is a flexible fire fighting container and is formed by a four-layer structure; the edges of two layers of the outer side of the fire-fighting container are bonded after hot melting to form an airtight cavity, two layers of the middle of the fire-fighting container form a liquid storage bag after hot forming, and the liquid storage bag is wrapped in the cavity;
a liquid outlet is formed in the periphery of the fire fighting container in a matched mode, and the liquid outlet is directly communicated with the liquid storage bag and is exposed out of the fire fighting container; the release spray head is matched and sealed with the liquid outlet;
the air passage is arranged on one side of the fire fighting container in a matching mode, the outer port of the air passage is connected with the pressurizing device in a matching mode, and the inner port of the air passage is directly connected with the cavity in a hot melting mode.
2. The fire extinguishing apparatus of claim 1, wherein: the liquid storage bag can adopt more than one small liquid bag structure which are communicated with each other.
3. The fire extinguishing apparatus of claim 1, wherein: the liquid storage bag can also adopt a single liquid storage bag structure formed by connecting the edges of two high polymer materials.
4. The fire extinguishing apparatus of claim 1, wherein: the release nozzle and the liquid outlet are in sealing connection by hot melting, threads or a sealing ring.
5. The fire extinguishing apparatus of claim 1, wherein: the interior of the release nozzle is matched with a pre-breaking piece; the pre-breaking piece is connected with the liquid outlet in a sealing way through hot melting, threads or a sealing ring.
6. The fire extinguishing apparatus of claim 1, wherein: the pressurizing device consists of a medicine body generating cavity, a gas generating medicine column, a starting line and a silica gel plug;
the tail end of the medicine body generating cavity is hermetically connected with the outer port of the air passage through hot melting, threads or a sealing ring; a silica gel plug is arranged inside the head end of the medicine body generating cavity in a matching way;
the gas generating grain is arranged inside the medicine body generating cavity in a matching way;
one end of the starting line penetrates through the silica gel plug and extends into the medicine body generation cavity to be connected with the gas generation medicine column in a matching mode, and the other end of the starting line penetrates through the silica gel plug to be electrically connected with an external control device.
7. A fire fighting container of a fire extinguishing apparatus according to any one of claims 1 to 6, characterized in that: the fire fighting container is a flexible fire fighting container and is formed by a four-layer structure; the edges of two layers of the outer side of the fire-fighting container are bonded after hot melting to form an airtight cavity, two layers of the middle of the fire-fighting container form a liquid storage bag after hot forming, and the liquid storage bag is wrapped in the cavity; a liquid outlet is formed in the periphery of the fire fighting container in a matched mode, and the liquid outlet is directly communicated with the liquid storage bag and is exposed out of the fire fighting container; a release nozzle of the fire extinguishing device is matched and sealed at the liquid outlet; the air passage of the fire extinguishing device is matched and arranged on one side of the fire fighting container, the outer port of the air passage of the fire extinguishing device is matched and connected with the pressurizing device of the fire extinguishing device, and the inner port of the fire extinguishing device is directly connected with the cavity in a hot melting mode.
8. A fire fighting container as defined in claim 7 wherein: the liquid storage bag adopts more than one small liquid bag structure which are communicated with each other.
9. A fire fighting container as defined in claim 7 wherein: the liquid storage bag is of a single liquid storage bag structure formed by connecting edges of two high polymer materials.
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CN202010461310.9A CN111437553A (en) | 2020-05-27 | 2020-05-27 | Fire extinguishing device and fire fighting container thereof |
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CN202010461310.9A CN111437553A (en) | 2020-05-27 | 2020-05-27 | Fire extinguishing device and fire fighting container thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115869574A (en) * | 2023-02-09 | 2023-03-31 | 北京鲸耀科技有限公司 | Automatic fire extinguishing device |
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CN203447673U (en) * | 2013-09-16 | 2014-02-26 | 天津消安科技有限公司 | Pipe-network-type automatic fire extinguishing device |
WO2018194332A2 (en) * | 2017-04-17 | 2018-10-25 | 주식회사 에프티에스코리아 | Automatic fire-extinguishing device |
CN209933882U (en) * | 2019-04-24 | 2020-01-14 | 陕西坚瑞消防安全设备有限公司 | Non-pressure storage type automatic fire extinguishing device for battery box of new energy lithium battery car |
CN111184966A (en) * | 2020-03-03 | 2020-05-22 | 陕西安益消防科技有限公司 | Fire extinguishing agent storage bottle and fire extinguishing device using same |
CN212439810U (en) * | 2020-05-27 | 2021-02-02 | 陕西安益消防科技有限公司 | Fire extinguishing device and fire fighting container thereof |
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2020
- 2020-05-27 CN CN202010461310.9A patent/CN111437553A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN203447673U (en) * | 2013-09-16 | 2014-02-26 | 天津消安科技有限公司 | Pipe-network-type automatic fire extinguishing device |
WO2018194332A2 (en) * | 2017-04-17 | 2018-10-25 | 주식회사 에프티에스코리아 | Automatic fire-extinguishing device |
CN209933882U (en) * | 2019-04-24 | 2020-01-14 | 陕西坚瑞消防安全设备有限公司 | Non-pressure storage type automatic fire extinguishing device for battery box of new energy lithium battery car |
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CN115869574A (en) * | 2023-02-09 | 2023-03-31 | 北京鲸耀科技有限公司 | Automatic fire extinguishing device |
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