CN111359118A - Non-pressure-storage type automatic fire extinguishing device for lithium battery fire - Google Patents
Non-pressure-storage type automatic fire extinguishing device for lithium battery fire Download PDFInfo
- Publication number
- CN111359118A CN111359118A CN202010289692.1A CN202010289692A CN111359118A CN 111359118 A CN111359118 A CN 111359118A CN 202010289692 A CN202010289692 A CN 202010289692A CN 111359118 A CN111359118 A CN 111359118A
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- shell
- pressure
- extinguishing device
- lithium battery
- 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.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 34
- 239000002985 plastic film Substances 0.000 claims description 12
- 229920006255 plastic film Polymers 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001220 nitrocellulos Polymers 0.000 claims description 3
- RMLFHPWPTXWZNJ-UHFFFAOYSA-N novec 1230 Chemical group FC(F)(F)C(F)(F)C(=O)C(F)(C(F)(F)F)C(F)(F)F RMLFHPWPTXWZNJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 abstract description 12
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 23
- 206010000369 Accident Diseases 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/24—Operating or controlling mechanisms
- A62C2/241—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
- A62C2/242—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts with fusible links
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/46—Construction of the actuator
- A62C37/48—Thermally sensitive initiators
Abstract
The invention provides a non-pressure-storage type lithium battery fire automatic fire extinguishing device which comprises a shell, a nozzle and a gas driver arranged in the shell, wherein fire extinguishing chemicals are filled in the shell, the nozzle is arranged on the surface of the shell and is communicated with the interior of the shell, the gas driver comprises a shell, an igniter and gas generating agents filled in the shell, the igniter is arranged at the top of the shell and is connected with a heat-sensitive wire, the heat-sensitive wire is in contact with the gas generating agents in the shell, and a plurality of gas generating ports are formed in the surface of the shell. The automatic fire extinguishing device can be quickly started when thermal runaway occurs in an electric automobile power battery system or an energy storage power station, and fire extinguishing agents are sprayed, so that fire disasters of the power battery can be effectively inhibited, thermal expansion of the power battery is delayed or prevented, and the automatic fire extinguishing device has high practical application value.
Description
Technical Field
The invention belongs to the field of lithium battery safety protection, and particularly relates to a non-pressure storage type lithium battery fire automatic fire extinguishing device.
Background
The lithium battery has the advantages of cleanness, high efficiency, reusability and the like, is widely applied to the fields of electric automobiles, electrochemical energy storage power stations, electric bicycles and the like, has wide development prospect and great market demand. Lithium batteries are chemical energy storage devices that are susceptible to external stimuli or thermal runaway resulting from self-manufacturing defects, which can then lead to ignition, combustion, and even explosion.
In the process of electric automobile development, hundreds of fire accidents such as a Hangzhou pure electric taxi spontaneous combustion accident, a Shenzhen pure electric taxi impacted fire case, a Tesla spontaneous combustion fire disaster, a Nantong Haidai lithium battery warehouse fire case and the like occur, and huge personnel and property loss and severe social influence are caused.
In the fire accident of the energy storage power station, in 2018, 7 months and 2 days, when the fire accident occurs to the Korea Ling rock energy storage power station, a temporary building with 708 square meters and 3500 batteries are burnt, and the direct economic loss reaches 46 hundred million Hanyuan; 3, 7 months and 7 days in 2017, 416 energy storage lithium battery packs and 26 battery management system packs are burnt out when an energy storage power station of a Shanxi Jing jade thermal power plant is in fire, so that the energy storage power station is shut down for more than 30 days; and 8, 8 and 3 days in 2018, the fire accident of the energy storage power station occurs in a high and new area of Yangzhong city, and 1 container of the energy storage power station is burnt. The occurrence of fire accidents of a plurality of energy storage power stations causes great worry of industry governing departments and social public, and seriously hinders the healthy and high-speed development of the energy storage industry in China.
The automatic fire extinguishing device is one of the most effective and most convenient modes for treating the fire at the initial stage of the fire, the internal clear space of the power battery system of the electric automobile is small, the traditional pressure storage type automatic fire extinguishing device is huge in structure, and the requirements of vehicle-mounted vibration and waterproof and dustproof performances are difficult to meet.
Disclosure of Invention
In view of the above, the present invention provides a non-pressure storage type lithium battery fire automatic fire extinguishing device to solve the above problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a lithium cell conflagration automatic fire extinguishing device of non-pressure storage formula, includes casing, nozzle and sets up the gas driver in the casing, fill in the casing and be equipped with the medicament of putting out a fire, the nozzle sets up on the surface of casing and communicates with the inside of casing, the gas driver include shell, some firearm and fill the gas generant in the shell, some firearm setting are at the top of shell, some firearm are connected with the heat-sensitive line, the contact of gas generant in heat-sensitive line and the shell, a plurality of gas ports have been seted up on the surface of shell.
Furthermore, a fire extinguishing agent filling opening is formed in the shell, and a one-way valve is arranged at the fire extinguishing agent filling opening.
Further, the nozzle is connected with the shell through a pipeline, and an aluminum plastic film is arranged in the pipeline.
Furthermore, the air generating ports are covered with aluminum-plastic films.
Further, the fire extinguishing agent is a liquid fire extinguishing agent at normal temperature.
Preferably, the fire extinguishing agent is Novec 1230.
Preferably, the gas generating agent is nitrocotton.
Further, the check valve has a reverse compressive strength of at least 5 MPa.
Further, the pressure of the breach of the aluminum-plastic film is 0.5-1.0 MPa.
Furthermore, the shell is made of a pressure-resistant material, the inner surface of the shell is subjected to surface inerting treatment, and the pressure-resistant strength is at least 5 MPa.
Compared with the prior art, the non-pressure-storage type lithium battery fire automatic fire extinguishing device has the following advantages:
by installing the gas driver type non-pressure-storage automatic fire extinguishing device, the device can be quickly started when thermal runaway occurs in an electric vehicle power battery system or an energy storage power station, fire extinguishing agents are sprayed, fire hazards of the power battery can be effectively restrained, thermal expansion of the power battery is delayed or prevented, and the device has high practical application value.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic external structural view of a non-pressure storage type lithium battery fire automatic fire extinguishing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a gas driver according to an embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. a fire extinguishing agent; 3. a housing; 4. a pipeline; 5. a nozzle; 6. a one-way valve; 7. a fire extinguishing agent filling port; 8. an igniter; 9. a heat-sensitive wire; 10. a gas generating agent; 11. an air generating port.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 shows a non-pressure storage type lithium battery fire automatic fire extinguishing device, which comprises a shell 1, a nozzle 5 and a fuel gas driver arranged in the shell 1.
Specifically, the housing 1 is filled with the fire extinguishing agent 2, and the nozzle 5 is provided on the surface of the housing 1 and communicates with the inside of the housing 1.
Specifically, as shown in fig. 2, the gas driver includes a housing 3, an igniter 8 and a gas generating agent 10 filled in the housing 3, the igniter 8 is disposed on the top of the housing 3 and extends to the outside of the housing 1 while extending, the igniter 8 is connected with a heat-sensitive wire 9, the heat-sensitive wire 9 contacts with the gas generating agent 10 in the housing 3, and the surface of the housing 3 is provided with a plurality of gas generating ports 11.
A fire extinguishing agent filling opening 7 is formed in the shell 1, in order to prevent the fire extinguishing agent in the shell 1 from leaking in the use process of the lithium battery, a one-way valve 6 is arranged at the fire extinguishing agent filling opening 7, and the reverse pressure resistant strength of the one-way valve 6 is at least 5 MPa.
The nozzle 5 is connected with the shell 1 through a pipeline 4, and an aluminum plastic film for preventing the fire extinguishing agent from leaking is arranged in the pipeline 4. The gas generating ports 11 are also covered with aluminum-plastic films, and the aluminum-plastic films are used for preventing the gas generating agent 10 from leaking into the shell 1 and preventing the fire extinguishing agent from entering the gas driver to cause the failure of the whole device. The pressure of the breach of the aluminum-plastic film is 0.5-1.0 MPa.
The fire extinguishing agent used in the present invention is a fire extinguishing agent which is liquid at normal temperature, such as Novec1230 and the like.
The shell 1 is made of pressure-resistant materials, is subjected to surface inerting treatment, has the pressure-resistant strength of at least 5MPa, and cannot be corroded by a fire extinguishing agent.
The gas generating agent 10 used in the present invention can rapidly generate a large amount of gas, such as nitrocellulose, through an oxidation-reduction reaction.
The specific working process of the invention is as follows: when the lithium battery generates thermal runaway behaviors such as smoking, uncontrollable temperature rise, fire and the like, the external control system receives a thermal runaway signal and transmits the signal to the igniter 8, the igniter 8 is started quickly after receiving the thermal runaway signal generated by the lithium battery, the thermosensitive wire 9 is switched on, the thermosensitive wire 9 generates high temperature to ignite the gas generating agent 10, the ignited gas generating agent 10 generates a large amount of gas, the gas quickly fills the shell 1 after breaking the aluminum-plastic film on the gas generating port 11, certain pressure is generated to break the aluminum-plastic film in the pipeline 4, the fire extinguishing agent in the shell 1 is quickly sprayed out under the action of the pressure to realize quick delay and prevent the thermal expansion of the power battery, and the purpose of suppressing the occurrence of fire is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a lithium cell conflagration automatic fire extinguishing device of non-pressure storage formula which characterized in that: including casing (1), nozzle (5) and the gas driver of setting in casing (1), casing (1) intussuseption is equipped with fire extinguishing agent (2), nozzle (5) set up on the surface of casing (1) and with the inside intercommunication of casing (1), the gas driver include shell (3), some firearm (8) and fill gas generating agent (10) in shell (3), some firearm (8) set up the top in shell (3), some firearm (8) are connected with heat-sensitive line (9), gas generating agent (10) contact in heat-sensitive line (9) and shell (3), a plurality of gas production mouth (11) have been seted up on the surface of shell (3).
2. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 1, characterized in that: a fire extinguishing agent filling port (7) is formed in the shell (1), and a one-way valve (6) is arranged at the fire extinguishing agent filling port (7).
3. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 1, characterized in that: the nozzle (5) is connected with the shell (1) through a pipeline (4), and an aluminum plastic film is arranged in the pipeline (4).
4. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 3, characterized in that: the gas generating ports (11) are all covered with aluminum-plastic films.
5. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 1, characterized in that: the fire extinguishing agent is liquid at normal temperature.
6. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 2, characterized in that: the reverse pressure resistant strength of the one-way valve (6) is at least 5 MPa.
7. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 4, characterized in that: the pressure of the breach of the aluminum-plastic film is 0.5-1.0 MPa.
8. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 1, characterized in that: the shell (1) is made of a pressure-resistant material, the inner surface of the shell (1) is subjected to surface inerting treatment, and the pressure-resistant strength is at least 5 MPa.
9. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 1, characterized in that: the fire extinguishing agent is Novec 1230.
10. The non-pressure-storage type lithium battery fire automatic fire extinguishing device according to claim 1, characterized in that: the gas generating agent is nitrocotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289692.1A CN111359118A (en) | 2020-04-14 | 2020-04-14 | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289692.1A CN111359118A (en) | 2020-04-14 | 2020-04-14 | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111359118A true CN111359118A (en) | 2020-07-03 |
Family
ID=71199170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010289692.1A Pending CN111359118A (en) | 2020-04-14 | 2020-04-14 | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111359118A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247070A (en) * | 2022-01-26 | 2022-03-29 | 应急管理部上海消防研究所 | Lithium ion battery package length aging fire suppression device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203861824U (en) * | 2014-04-25 | 2014-10-08 | 南京都盟消防技术有限公司 | Fire-extinguishing device |
| CN107320871A (en) * | 2017-07-11 | 2017-11-07 | 公安部天津消防研究所 | A kind of lithium ion battery case special gas extinguishing device and fire extinguishing implementation method |
| CN110025908A (en) * | 2019-05-13 | 2019-07-19 | 应急管理部上海消防研究所 | A kind of non-storage piezoelectricity electrical automobile fire prevention and control device of radial and method |
| CN212141207U (en) * | 2020-04-14 | 2020-12-15 | 杭州中传消防设备有限公司 | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire |
-
2020
- 2020-04-14 CN CN202010289692.1A patent/CN111359118A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203861824U (en) * | 2014-04-25 | 2014-10-08 | 南京都盟消防技术有限公司 | Fire-extinguishing device |
| CN107320871A (en) * | 2017-07-11 | 2017-11-07 | 公安部天津消防研究所 | A kind of lithium ion battery case special gas extinguishing device and fire extinguishing implementation method |
| CN110025908A (en) * | 2019-05-13 | 2019-07-19 | 应急管理部上海消防研究所 | A kind of non-storage piezoelectricity electrical automobile fire prevention and control device of radial and method |
| CN212141207U (en) * | 2020-04-14 | 2020-12-15 | 杭州中传消防设备有限公司 | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247070A (en) * | 2022-01-26 | 2022-03-29 | 应急管理部上海消防研究所 | Lithium ion battery package length aging fire suppression device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109585726B (en) | Vehicle and battery box, battery module, fire extinguishing component and fire extinguishing container thereof | |
| CN207587767U (en) | A kind of lithium ion battery fireproof anti-explosion device | |
| CN108028334A (en) | Battery pack including extinguishing device and the control method using the battery pack | |
| CN212700167U (en) | Passive fire extinguishing device and battery pack | |
| CN112103444B (en) | Battery, electric equipment and manufacturing method of battery | |
| CN114010988A (en) | Passive fire extinguishing device and battery pack | |
| CN105609684A (en) | Inflaming retarding and explosion-proof device of lithium battery module | |
| CN214254577U (en) | Flame-retardant and explosion-proof battery pack | |
| WO2022012449A1 (en) | Passive fire extinguishing device and battery pack | |
| CN212141207U (en) | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire | |
| CN114614161A (en) | Battery system based on heat exchange, fire control and thermal safety are integrative | |
| CN111359118A (en) | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire | |
| CN107706475A (en) | A kind of echelon with automatic fire extinguisher utilizes battery bag and control method | |
| KR102625181B1 (en) | Fire fighting devices, case assemblies, batteries, electrical devices and methods of manufacturing batteries | |
| CN113769294A (en) | Novel new energy automobile battery package fire extinguishing systems | |
| CN219149082U (en) | Battery fire extinguishing system and power device | |
| CN107453001A (en) | A kind of lithium battery fire-retarding device | |
| CN207558999U (en) | A kind of echelon with automatic fire extinguisher utilizes battery pack | |
| WO2024000103A1 (en) | Battery and electric device | |
| CN216536631U (en) | Power battery and two-wheeled electric vehicle | |
| CN214388587U (en) | Automatically controlled formula automatic fire extinguishing pipe | |
| CN205335388U (en) | Overheated explosion -proof mechanism of battery | |
| CN215537954U (en) | Fire extinguishing part, battery module and battery box | |
| CN207384645U (en) | A kind of extinguishing device being fixed on inside new energy electric car battery case | |
| CN217062298U (en) | Structure for preventing battery from burning and lithium ion battery applying structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |