CN114404840A - Energy storage system of subregion Pack level fire control - Google Patents
Energy storage system of subregion Pack level fire control Download PDFInfo
- Publication number
- CN114404840A CN114404840A CN202210089955.3A CN202210089955A CN114404840A CN 114404840 A CN114404840 A CN 114404840A CN 202210089955 A CN202210089955 A CN 202210089955A CN 114404840 A CN114404840 A CN 114404840A
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- China
- Prior art keywords
- fire
- fighting
- panel
- battery pack
- channel
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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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- 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
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- 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
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- 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
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an energy storage system for partitioned Pack-level fire fighting, which comprises a battery rack, M battery packs, a first fire fighting box, a second fire fighting box, a first pressure pump, a second pressure pump and a control module, wherein the M battery packs are arranged on the battery rack; a panel on one side of the battery pack shell adopts a fire-fighting panel; the fire-fighting panel comprises a panel body, a first fire-fighting spray head, a second fire-fighting spray head, a first Tesla valve, a second Tesla valve and a temperature sensor; inlets of the first booster pump and the second booster pump are respectively connected with the first fire box and the second fire box through pipelines; the first fire box and the second fire box respectively store fire extinguishing gas and cooling medium; the control module is electrically connected with the temperature sensor, the first fire-fighting nozzle and the second fire-fighting nozzle of each battery pack fire-fighting panel respectively. The invention can prevent rapid temperature rise of Pack to cause thermal runaway spread and avoid unnecessary loss.
Description
Technical Field
The invention relates to the field of battery safety, in particular to an energy storage system for partitioned Pack-level fire protection.
Background
In the field of energy storage, lithium ion batteries have become a main energy storage device for energy storage due to the advantages of high energy density, long service life, environmental protection and the like.
For a large energy storage system, a lithium ion battery is often assembled into a module, then the module is assembled into a battery Pack, the battery Pack is assembled into a battery cluster, the battery cluster is placed in a container, and the battery Pack is of a closed structure. The energy storage system generally adopts the combination form step by step of this battery, module, pack, battery cluster, container, and fire extinguishing system is then to the container rank, and arbitrary position in the container breaks out the fire, then puts out a fire or puts out a fire to whole battery cluster. If Pack-class fire protection is required, a large number of pipelines are arranged, and after one Pack is thermally runaway, the temperature of other adjacent packs is rapidly increased to cause continuous thermal runaway.
The technical scheme in the prior art, from the battery → the form of combination step by step of container, structural design is complicated, and production processes and used spare part are numerous, cause the production cycle length, with high costs, battery pack is the closed structure heat dissipation difficulty, and when taking place the thermal runaway and catching fire, be difficult to put out a fire to, consequently if pack in certain battery cluster when the conflagration breaing out, start fire extinguishing system, consume a large amount of fire extinguishing agents, all the other good battery clusters also can receive the influence, suffer unnecessary loss. If Pack-class fire protection is required, a large number of pipelines are arranged, and after one Pack is thermally out of control, the temperature of other adjacent packs is rapidly increased, so that a thermal out-of-control chain reaction is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a partitioned Pack-level fire-fighting energy storage system aiming at the defects involved in the background technology.
The invention adopts the following technical scheme for solving the technical problems:
an energy storage system for partitioned Pack-level fire fighting comprises a battery rack, M battery packs, a first fire fighting box, a second fire fighting box, a first pressure pump, a second pressure pump and a control module, wherein M is a natural number greater than or equal to 1;
the M battery packs are all placed on the battery rack;
a panel on one side of the battery pack shell adopts a fire-fighting panel; the fire-fighting panel comprises a panel body, a first fire-fighting nozzle, a second fire-fighting nozzle, a first Tesla valve, a second Tesla valve and a temperature sensor, wherein a first channel and a second channel are arranged in the panel body, outlets of the first channel and the second channel are located on the inner wall of the panel body, the first fire-fighting nozzle is connected with the outlet of the first channel, and the second fire-fighting nozzle is connected with the outlet of the second channel; the inlet of the first channel is connected with the outlet of the first booster pump through a pipeline, and the inlet of the second channel is connected with the outlet of the second booster pump through a pipeline; the first Tesla valve and the second Tesla valve are respectively arranged in the first channel and the second channel, wherein the first Tesla valve is used for avoiding backflow of the first fire-fighting sprayer, and the second Tesla valve is used for avoiding backflow of the second fire-fighting sprayer; the temperature sensor is arranged on the inner wall of the fire-fighting panel and used for sensing the temperature in the battery pack in which the temperature sensor is arranged and transmitting the temperature to the control module;
the inlet of the first booster pump is connected with the first fire-fighting box through a pipeline, and the inlet of the second booster pump is connected with the second fire-fighting box through a pipeline; the first fire box is used for storing fire extinguishing gas, and the second fire box is used for storing cooling medium;
the control module is electrically connected with the temperature sensor, the first fire-fighting nozzle and the second fire-fighting nozzle of each battery pack fire-fighting panel respectively and used for controlling the first fire-fighting nozzle and the second fire-fighting nozzle of each battery pack fire-fighting panel to work according to the sensing temperature of the temperature sensor of each battery pack fire-fighting panel.
The invention also discloses a fire extinguishing method of the energy storage system for partitioned Pack-level fire fighting, which comprises the following specific steps: when a fire happens in a certain battery pack, the control module controls the first fire-fighting nozzle of the battery pack fire-fighting panel to be opened, a large amount of fire-fighting gas is rapidly released and gathered in the battery pack to quickly extinguish the fire, meanwhile, the control module controls the second fire-fighting nozzle of the adjacent battery pack fire-fighting panel of the battery pack to be opened, cooling media is sprayed, and thermal runaway caused by the fact that the temperature of the adjacent battery pack rises too fast is avoided.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
when the invention detects that a certain Pack is out of control due to heat, even a fire happens, the fire-fighting nozzle corresponding to one side of the Pack sprays fire-fighting gas such as heptafluoropropane to extinguish the fire, and the cooling nozzle at the other side of the adjacent Pack sprays cooling medium to cover all parts in the Pack, so that the heat is taken away through changes such as phase change when the Pack is heated, the rapid rise of the temperature of the Pack is avoided, the spreading of the out of control due to the heat is avoided, and unnecessary loss is avoided.
Drawings
FIG. 1 is a schematic view of the structure of the battery pack and the battery holder of the present invention;
FIG. 2 is a schematic view of the construction of the fire panel of the present invention;
FIG. 3 is a schematic view of the first Tesla valve of the fire panel of the present invention.
In the figure, 1-battery rack, 2-battery pack, 3-first fire-fighting spray head, 4-second fire-fighting spray head and 5-first Tesla valve.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.
As shown in fig. 1, the invention discloses an energy storage system for partitioned Pack-level fire protection, which comprises a battery rack, M battery packs, a first fire-fighting box, a second fire-fighting box, a first pressure pump, a second pressure pump and a control module, wherein M is a natural number greater than or equal to 1;
the M battery packs are all placed on the battery rack;
a panel on one side of the battery pack shell adopts a fire-fighting panel; as shown in fig. 2, the fire control panel includes a panel body, a first fire control nozzle, a second fire control nozzle, a first tesla valve, a second tesla valve, and a temperature sensor, wherein the panel body is provided with a first channel and a second channel, outlets of which are located on an inner wall of the panel body, the first fire control nozzle is connected with an outlet of the first channel, and the second fire control nozzle is connected with an outlet of the second channel; the inlet of the first channel is connected with the outlet of the first booster pump through a pipeline, and the inlet of the second channel is connected with the outlet of the second booster pump through a pipeline; the first Tesla valve and the second Tesla valve are respectively arranged in the first channel and the second channel, and the structure of the first Tesla valve and the second Tesla valve is shown in figure 3, wherein the first Tesla valve is used for avoiding backflow of the first fire-fighting spray head, and the second Tesla valve is used for avoiding backflow of the second fire-fighting spray head; the temperature sensor is arranged on the inner wall of the fire-fighting panel and used for sensing the temperature in the battery pack in which the temperature sensor is arranged and transmitting the temperature to the control module;
the inlet of the first booster pump is connected with the first fire-fighting box through a pipeline, and the inlet of the second booster pump is connected with the second fire-fighting box through a pipeline; the first fire box is used for storing fire extinguishing gas, and the second fire box is used for storing cooling medium;
the control module is electrically connected with the temperature sensor, the first fire-fighting nozzle and the second fire-fighting nozzle of each battery pack fire-fighting panel respectively and used for controlling the first fire-fighting nozzle and the second fire-fighting nozzle of each battery pack fire-fighting panel to work according to the sensing temperature of the temperature sensor of each battery pack fire-fighting panel.
The invention also discloses a fire extinguishing method of the energy storage system for partitioned Pack-level fire fighting, which comprises the following specific steps: when a fire happens in a certain battery pack, the control module controls the first fire-fighting nozzle of the battery pack fire-fighting panel to be opened, a large amount of fire-fighting gas is rapidly released and gathered in the battery pack to quickly extinguish the fire, meanwhile, the control module controls the second fire-fighting nozzle of the adjacent battery pack fire-fighting panel of the battery pack to be opened, cooling media is sprayed, and thermal runaway caused by the fact that the temperature of the adjacent battery pack rises too fast is avoided.
The cooling medium can be sprayed intermittently, and when the fire is not effectively controlled due to the large consumption of the cooling medium, the cooling coverage is kept.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A partitioned Pack-level fire-fighting energy storage system is characterized by comprising a battery rack, M battery packs, a first fire-fighting box, a second fire-fighting box, a first pressure pump, a second pressure pump and a control module, wherein M is a natural number greater than or equal to 1;
the M battery packs are all placed on the battery rack;
a panel on one side of the battery pack shell adopts a fire-fighting panel; the fire-fighting panel comprises a panel body, a first fire-fighting nozzle, a second fire-fighting nozzle, a first Tesla valve, a second Tesla valve and a temperature sensor, wherein a first channel and a second channel are arranged in the panel body, outlets of the first channel and the second channel are located on the inner wall of the panel body, the first fire-fighting nozzle is connected with the outlet of the first channel, and the second fire-fighting nozzle is connected with the outlet of the second channel; the inlet of the first channel is connected with the outlet of the first booster pump through a pipeline, and the inlet of the second channel is connected with the outlet of the second booster pump through a pipeline; the first Tesla valve and the second Tesla valve are respectively arranged in the first channel and the second channel, wherein the first Tesla valve is used for avoiding backflow of the first fire-fighting sprayer, and the second Tesla valve is used for avoiding backflow of the second fire-fighting sprayer; the temperature sensor is arranged on the inner wall of the fire-fighting panel and used for sensing the temperature in the battery pack in which the temperature sensor is arranged and transmitting the temperature to the control module;
the inlet of the first booster pump is connected with the first fire-fighting box through a pipeline, and the inlet of the second booster pump is connected with the second fire-fighting box through a pipeline; the first fire box is used for storing fire extinguishing gas, and the second fire box is used for storing cooling medium;
the control module is electrically connected with the temperature sensor, the first fire-fighting nozzle and the second fire-fighting nozzle of each battery pack fire-fighting panel respectively and used for controlling the first fire-fighting nozzle and the second fire-fighting nozzle of each battery pack fire-fighting panel to work according to the sensing temperature of the temperature sensor of each battery pack fire-fighting panel.
2. The fire extinguishing method of the energy storage system for partitioned Pack-class fire fighting according to claim 1 comprises the following specific steps: when a fire happens in a certain battery pack, the control module controls the first fire-fighting nozzle of the fire-fighting panel of the battery pack to be opened, a large amount of fire-fighting gas is rapidly released and gathered in the battery pack to quickly extinguish the fire, meanwhile, the control module controls the second fire-fighting nozzle of the fire-fighting panel of the adjacent battery pack of the battery pack to be opened, cooling media are sprayed, and thermal runaway caused by the fact that the temperature of the adjacent battery pack rises too fast is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210089955.3A CN114404840A (en) | 2022-01-25 | 2022-01-25 | Energy storage system of subregion Pack level fire control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210089955.3A CN114404840A (en) | 2022-01-25 | 2022-01-25 | Energy storage system of subregion Pack level fire control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114404840A true CN114404840A (en) | 2022-04-29 |
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ID=81276747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210089955.3A Withdrawn CN114404840A (en) | 2022-01-25 | 2022-01-25 | Energy storage system of subregion Pack level fire control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114404840A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350973A (en) * | 2023-06-02 | 2023-06-30 | 中国华能集团清洁能源技术研究院有限公司 | Battery compartment fire control system, battery compartment and battery compartment fire control management method |
-
2022
- 2022-01-25 CN CN202210089955.3A patent/CN114404840A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350973A (en) * | 2023-06-02 | 2023-06-30 | 中国华能集团清洁能源技术研究院有限公司 | Battery compartment fire control system, battery compartment and battery compartment fire control management method |
| CN116350973B (en) * | 2023-06-02 | 2023-08-29 | 中国华能集团清洁能源技术研究院有限公司 | Battery compartment fire control system, battery compartment and battery compartment fire control management method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220429 |
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| WW01 | Invention patent application withdrawn after publication |