CN114404835A - Fire safety control method of energy storage system - Google Patents
Fire safety control method of energy storage system Download PDFInfo
- Publication number
- CN114404835A CN114404835A CN202210089966.1A CN202210089966A CN114404835A CN 114404835 A CN114404835 A CN 114404835A CN 202210089966 A CN202210089966 A CN 202210089966A CN 114404835 A CN114404835 A CN 114404835A
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- Prior art keywords
- fire
- fighting
- battery
- pipeline
- battery box
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- 238000004146 energy storage Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 239000012855 volatile organic compound Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 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 claims description 4
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- A62C2/00—Fire prevention or containment
- A62C2/04—Removing or cutting-off the supply of inflammable material
-
- 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
-
- 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
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
Landscapes
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Battery Mounting, Suspending (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire safety control method of an energy storage system, when a battery pack catches fire, a first fire pipeline in the battery pack and the battery pack adjacent to the battery pack are opened, and cooling and fire extinguishing are carried out in a cooling and oxygen isolation mode; if the fire cannot be effectively controlled or M battery Pack bags in the battery cluster are in the fire, a second fire-fighting pipeline in the battery box is opened to extinguish the fire, and meanwhile, a first electromagnetic valve in a pressure relief pipeline of the battery box is opened to lead out high-temperature gas so as to prevent the battery box from being over-pressurized; if the fire condition is not effectively controlled or after-combustion occurs and the fire-fighting agent of the second fire-fighting pipeline is used up or serious fire condition of the N battery clusters occurs, the third fire-fighting pipeline in the battery box is opened to extinguish fire, fire-fighting water enters the battery box, and after the fire condition is completely controlled, the second electromagnetic valve in the drainage pipeline of the battery box is opened to discharge the fire-fighting water out of the box body. The fire-fighting safety control system has various fire-fighting safety control and multi-system linkage, and can well avoid the phenomenon of excessive fire fighting.
Description
Technical Field
The invention relates to the field of battery safety, in particular to a fire safety control method for an energy storage system.
Background
In the field of chemical 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.
The medium-large energy storage system is usually formed by assembling batteries into modules, then the modules are assembled into packs, then the packs form high-voltage or (and) high-energy battery clusters in a series-parallel connection mode for use, and then the plurality of battery clusters form the large energy storage system in a series-parallel connection mode. And with the increase of lithium ion battery energy density, the safety problem is also more outstanding, and lithium ion battery often causes the thermal runaway and leads to catching fire even explosion because of product defect or misuse, consequently often needs to adopt fire control facility in order to ensure safe energy storage system.
The existing fire extinguishing system generally has various fire sensors to detect the fire alarm information of an energy storage system in real time, when the fire alarm is acquired, a protection system sends corresponding instructions to a controller according to the information to process, and the existing fire extinguishing system comprises a heptafluoropropane fire extinguishing system, a perfluorohexanone fire extinguishing system, high-pressure water mist, water spray and the like.
According to the technical scheme, on one hand, fire safety signals are transmitted in a multi-stage mode or a single-path mode, transmission is slow, unreliable factors exist in the transmission process, and the optimal fire fighting time or fire fighting errors are missed when the response is slow; on the other hand, the method for processing the fire-fighting problem is single, and a large amount of fire-fighting agent is needed to have excessive fire-fighting or destructive fire-fighting, so that equipment is unnecessarily damaged, and the cost of a fire-fighting safety system is too high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fire safety control method of an energy storage system aiming at the defects involved in the background technology.
The invention adopts the following technical scheme for solving the technical problems:
a fire safety control method of an energy storage system comprises the following steps:
step 1), arranging a temperature sensor in each battery pack, and arranging a smoke detector, a combustible gas and a VOC (volatile organic compound) detector in a battery box;
step 2), arranging a pressure relief pipeline for discharging high-temperature gas on the battery box, arranging a drainage pipeline for discharging fire-extinguishing liquid at the bottom of the battery box, arranging a first battery valve for controlling the on-off of the pressure relief pipeline in the pressure relief pipeline, and arranging a second battery valve for controlling the on-off of the drainage pipeline in the drainage pipeline;
step 3), arranging heat insulation spacers between the battery packs in the battery box for blocking heat conduction;
step 4), arranging a first fire-fighting pipeline with fire-fighting agent being aerosol in each battery pack, arranging a second fire-fighting pipeline with fire-fighting agent being heptafluoropropane or perfluorohexanone in the battery box, and arranging a third fire-fighting pipeline for spraying water in the battery box;
step 5), when one or more of the smoke detector, the combustible gas and VOC detector, the temperature sensor, the battery management system BMS and the energy management system EMS send out fire alarm, positioning a fire-fighting point, sending an instruction to the PCS, the BMS and the EMS to disconnect the operation of each device, and sending out alarm;
step 6), when the battery pack is on fire, opening a first fire-fighting pipeline in the battery pack on fire and the adjacent battery pack, and performing cooling and fire extinguishing in a cooling and oxygen isolation mode to protect the adjacent battery pack;
step 7), if the fire cannot be effectively controlled or M battery Pack bags in the battery cluster are subjected to fire, wherein M is a natural number which is more than or equal to 1 and less than or equal to a preset first quantity threshold, a second fire-fighting pipeline in the battery box is opened to extinguish the fire, and meanwhile, a first electromagnetic valve in a pressure relief pipeline of the battery box is opened to lead out high-temperature gas and prevent the battery box from being over-pressurized;
and 8) if the fire condition cannot be effectively controlled or after-combustion occurs and the fire-fighting agent of the second fire-fighting pipeline is used up or a serious fire condition of N battery clusters occurs, N is a natural number which is more than or equal to a preset first quantity threshold value, a third fire-fighting pipeline in the battery box is opened to extinguish the fire, fire-fighting water enters the battery box, and after the fire condition is completely controlled, a second electromagnetic valve in a drainage pipeline of the battery box is opened to drain the fire-fighting water out of the box body.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
the invention establishes a connection with the battery management system and the energy management system, can acquire early-stage information of fire alarm and thermal runaway in time, takes measures in time and forms at least two paths of information channels, thereby greatly reducing the influence of unreliable information. The fire safety control method can form linkage of a plurality of systems and control places, forms three-level fire safety from the container to the battery box level, has various fire safety control and multi-system linkage, and can well avoid the phenomenon of excessive fire protection.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
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 a fire safety control method of an energy storage system, comprising the following steps:
step 1), arranging a temperature sensor in each battery pack, and arranging a smoke detector, a combustible gas and a VOC (volatile organic compound) detector in a battery box;
step 2), arranging a pressure relief pipeline for discharging high-temperature gas on the battery box, arranging a drainage pipeline for discharging fire-extinguishing liquid at the bottom of the battery box, arranging a first battery valve for controlling the on-off of the pressure relief pipeline in the pressure relief pipeline, and arranging a second battery valve for controlling the on-off of the drainage pipeline in the drainage pipeline;
step 3), arranging heat insulation spacers between the battery packs in the battery box for blocking heat conduction;
step 4), arranging a first fire-fighting pipeline with fire-fighting agent being aerosol in each battery pack, arranging a second fire-fighting pipeline with fire-fighting agent being heptafluoropropane or perfluorohexanone in the battery box, and arranging a third fire-fighting pipeline for spraying water in the battery box;
step 5), when one or more of the smoke detector, the combustible gas and VOC detector, the temperature sensor, the battery management system BMS and the energy management system EMS send out fire alarm, positioning a fire-fighting point, sending an instruction to the PCS, the BMS and the EMS to disconnect the operation of each device, and sending out alarm;
step 6), when the battery pack is on fire, opening a first fire-fighting pipeline in the battery pack on fire and the adjacent battery pack, and performing cooling and fire extinguishing in a cooling and oxygen isolation mode to protect the adjacent battery pack;
step 7), if the fire cannot be effectively controlled or M battery Pack bags in the battery cluster are subjected to fire, wherein M is a natural number which is more than or equal to 1 and less than or equal to a preset first quantity threshold, a second fire-fighting pipeline in the battery box is opened to extinguish the fire, and meanwhile, a first electromagnetic valve in a pressure relief pipeline of the battery box is opened to lead out high-temperature gas and prevent the battery box from being over-pressurized;
and 8) if the fire condition cannot be effectively controlled or after-combustion occurs and the fire-fighting agent of the second fire-fighting pipeline is used up or a serious fire condition of N battery clusters occurs, N is a natural number which is more than or equal to a preset first quantity threshold value, a third fire-fighting pipeline in the battery box is opened to extinguish the fire, fire-fighting water enters the battery box, and after the fire condition is completely controlled, a second electromagnetic valve in a drainage pipeline of the battery box is opened to drain the fire-fighting water out of the box body.
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 (1)
1. A fire safety control method of an energy storage system is characterized by comprising the following steps:
step 1), arranging a temperature sensor in each battery pack, and arranging a smoke detector, a combustible gas and a VOC (volatile organic compound) detector in a battery box;
step 2), arranging a pressure relief pipeline for discharging high-temperature gas on the battery box, arranging a drainage pipeline for discharging fire-extinguishing liquid at the bottom of the battery box, arranging a first battery valve for controlling the on-off of the pressure relief pipeline in the pressure relief pipeline, and arranging a second battery valve for controlling the on-off of the drainage pipeline in the drainage pipeline;
step 3), arranging heat insulation spacers between the battery packs in the battery box for blocking heat conduction;
step 4), arranging a first fire-fighting pipeline with fire-fighting agent being aerosol in each battery pack, arranging a second fire-fighting pipeline with fire-fighting agent being heptafluoropropane or perfluorohexanone in the battery box, and arranging a third fire-fighting pipeline for spraying water in the battery box;
step 5), when one or more of the smoke detector, the combustible gas and VOC detector, the temperature sensor, the battery management system BMS and the energy management system EMS send out fire alarm, positioning a fire-fighting point, sending an instruction to the PCS, the BMS and the EMS to disconnect the operation of each device, and sending out alarm;
step 6), when the battery pack is on fire, opening a first fire-fighting pipeline in the battery pack on fire and the adjacent battery pack, and performing cooling and fire extinguishing in a cooling and oxygen isolation mode to protect the adjacent battery pack;
step 7), if the fire cannot be effectively controlled or M battery Pack bags in the battery cluster are subjected to fire, wherein M is a natural number which is more than or equal to 1 and less than or equal to a preset first quantity threshold, a second fire-fighting pipeline in the battery box is opened to extinguish the fire, and meanwhile, a first electromagnetic valve in a pressure relief pipeline of the battery box is opened to lead out high-temperature gas and prevent the battery box from being over-pressurized;
and 8) if the fire condition cannot be effectively controlled or after-combustion occurs and the fire-fighting agent of the second fire-fighting pipeline is used up or a serious fire condition of N battery clusters occurs, N is a natural number which is more than or equal to a preset first quantity threshold value, a third fire-fighting pipeline in the battery box is opened to extinguish the fire, fire-fighting water enters the battery box, and after the fire condition is completely controlled, a second electromagnetic valve in a drainage pipeline of the battery box is opened to drain the fire-fighting water out of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210089966.1A CN114404835A (en) | 2022-01-25 | 2022-01-25 | Fire safety control method of energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210089966.1A CN114404835A (en) | 2022-01-25 | 2022-01-25 | Fire safety control method of energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114404835A true CN114404835A (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210089966.1A Withdrawn CN114404835A (en) | 2022-01-25 | 2022-01-25 | Fire safety control method of energy storage system |
Country Status (1)
| Country | Link |
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| CN (1) | CN114404835A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837132A (en) * | 2022-10-27 | 2023-03-24 | 厦门海辰储能科技股份有限公司 | Energy storage power supply fire fighting system, control method and readable storage medium |
| CN115920275A (en) * | 2022-10-09 | 2023-04-07 | 浙江南都能源科技有限公司 | Gas-liquid combined fire-fighting system with multiple fire-extinguishing capacity and expandable energy storage system |
| 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 cabin fire control system, battery cabin and battery cabin fire management method |
-
2022
- 2022-01-25 CN CN202210089966.1A patent/CN114404835A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115920275A (en) * | 2022-10-09 | 2023-04-07 | 浙江南都能源科技有限公司 | Gas-liquid combined fire-fighting system with multiple fire-extinguishing capacity and expandable energy storage system |
| CN115920275B (en) * | 2022-10-09 | 2024-03-01 | 浙江南都能源科技有限公司 | Gas-liquid combined fire-fighting system with multiple fire-extinguishing capability and expandable energy storage system |
| CN115837132A (en) * | 2022-10-27 | 2023-03-24 | 厦门海辰储能科技股份有限公司 | Energy storage power supply fire fighting system, control method and readable storage medium |
| CN115837132B (en) * | 2022-10-27 | 2023-09-08 | 厦门海辰储能科技股份有限公司 | Energy storage power supply fire-fighting system, control method and readable storage medium |
| 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 cabin fire control system, battery cabin and battery cabin fire 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 cabin fire control system, battery cabin and battery cabin fire management method |
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Application publication date: 20220429 |