CN213609517U - Lithium battery energy storage fire extinguishing system with point-to-point repeated quick response - Google Patents
Lithium battery energy storage fire extinguishing system with point-to-point repeated quick response Download PDFInfo
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- CN213609517U CN213609517U CN202020375120.0U CN202020375120U CN213609517U CN 213609517 U CN213609517 U CN 213609517U CN 202020375120 U CN202020375120 U CN 202020375120U CN 213609517 U CN213609517 U CN 213609517U
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 35
- 238000004146 energy storage Methods 0.000 title claims abstract description 23
- 230000004044 response Effects 0.000 title claims abstract description 17
- 238000010223 real-time analysis Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 25
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a point-to-point quick response's lithium cell energy storage fire extinguishing systems that relapses, local control module passes through real-time analysis temperature detector, the temperature data of BMS signal in the battery PACK, when the lithium cell appears thermal runaway, when the naked light, local control module sends the start instruction and corresponds the local solenoid valve of nozzle for PACK, send alarm command simultaneously and give early warning control system, cause early warning control system to send start instruction and give local electromagnetism main valve, thereby realize starting extinguishing device's local point-to-point jettison and start, it is provided with the fire detection pipe to alternate in the PACK. The utility model discloses direct type fire detection pipe implements point-to-point and spouts the advantage that the fire extinguishing agent formed local protection fast, has increased simultaneously and has flooded the protection fast totally to the zone of protection, realizes putting out a fire fast, introduces local module temperature out of control signal in the follow BMS system, makes local point-to-point injection fire extinguishing agent fast through pretension control system, realizes starting to put out a fire many times in the miniaturely.
Description
Technical Field
The utility model relates to a extinguishing device field, concretely relates to point-to-point quick response's lithium cell energy storage fire extinguishing systems that relapse.
Background
In recent years, with the advantages of high energy density, high output power, long charging and discharging life and the like of lithium batteries, the lithium batteries are widely applied to the fields of traffic power, electric power energy storage, mobile communication and the like, and are developed as part of new energy strategic industries in China. However, with the deep application of lithium batteries in engineering, the fire safety problem is increasingly prominent, and since lithium batteries are energetic substances, especially when the lithium batteries are overheated, short-circuited, extruded and the like, a large amount of heat is generated to initiate chain reaction of internal electrode materials and electrolyte, so that thermal runaway occurs and large-scale fire and explosion accidents are developed.
At present, to lithium cell energy storage system's fire control safety design, lack the characteristic to the lithium cell conflagration to carry out the analysis, lack the overall arrangement characteristic of fire extinguishing systems design and energy storage system and combine together, mostly still adopted traditional electric fire scene characteristic pertinence to design, adopt cabinet type gas extinguishing device and direct type to visit firetube extinguishing device.
Through engineering application investigation and fire extinguishing test analysis, the existing device is found to have the following obvious defects: the traditional smoke and temperature detection mode is seriously lagged, which is not beneficial to detecting the explosive fire of the lithium battery in the first time, so that the starting response of the fire extinguishing device is slow; the traditional fire extinguishing devices such as cabinet type fire detecting tubes and the like have limited protection radius, have protection dead angles aiming at long and narrow occasions of energy storage of lithium battery containers, and the sprayed gas fire extinguishing agent cannot reach the inside of a PACK (combined battery) box in time, while the fire of the lithium battery rapidly spreads, so that large-area fire is easily caused, and serious potential safety hazards exist.
To the existing market condition, research and development a can point-to-point quick response's lithium cell energy storage fire extinguishing systems that relapse, to the uncertainty of lithium cell energy storage system fire behavior, container energy storage system inside overall arrangement, wait the situation quite demand.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a point-to-point quick response's lithium cell energy storage fire extinguishing systems that relapses, can survey the lithium cell thermal runaway fast, improve early warning response speed.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a point-to-point quick response's lithium cell energy storage fire extinguishing system that relapses, local control module is through real-time analysis temperature detector, the temperature data of BMS (battery management system) signal in the battery PACK (assembled battery), when the lithium cell appears thermal runaway, when the naked light, local control module sends the local solenoid valve that start-up instruction corresponds the nozzle for PACK (assembled battery), send alarm command simultaneously and give early warning control system, cause early warning control system to send start-up instruction and give local electromagnetism main valve, thereby realize starting extinguishing device's local point-to-point jettison and start, it is provided with the fire detection pipe to alternate in PACK (assembled battery).
As an improvement, the fire extinguishing device can realize the release of the fire extinguishing agent in the fire extinguishing agent bottle group into a local main pipeline by opening a local electromagnetic main valve so as to enter each distribution valve, correspondingly and selectively convey the fire extinguishing agent to the local pipeline through the local electromagnetic valve, and spray the fire extinguishing agent from a nozzle to realize the point-to-point protection of nearby PACK (combined battery); when the smoke detector and the temperature detector detect fire signals, the signals are transmitted to the early warning control system, the early warning control system sends a starting instruction to start the battery driving device, so that a main channel of the container valve is opened, and the fire extinguishing agent in the fire extinguishing agent bottle group is uniformly sprayed into the container from the main pipeline through the atomizing nozzle at one time.
As an improvement, the local control module performs data interaction with a BMS (battery management system) and a thermocouple through an RS485 bus and CAN (controller area network) bus communication mode, analyzes temperature data in real time, judges whether thermal runaway and open fire occur, sends a corresponding instruction to an early warning control system, and sends a local electromagnetic valve on a local pipeline where a point position nozzle corresponding to a PACK (combined battery) is located.
As an improvement, the early warning control system is mainly used for receiving starting signals of all local control modules, a smoke detector and a temperature detector and is also provided with a manual one-key emergency starting button for controlling the output of an alarm signal, the starting and stopping of an electromagnetic driving device and the starting and stopping of a local electromagnetic main valve.
As an improvement, the local electromagnetic main valve and the local electromagnetic valve are high-pressure-resistant large-diameter electromagnetic valves, and can be directly controlled to be opened and closed through a power supply, so that the spraying time node of a local pipeline can be directly controlled through an electric signal, and multiple spraying of a local nozzle according to a fire signal is realized. The long-term stable control on the problem that the lithium battery is easy to re-combust is realized.
As an improvement, the fire detecting pipe is a hose which can generate a break when reaching a set temperature, one end of the hose is arranged along the periphery of a PACK (combined battery), the other end of the hose is connected to a pressure stabilizing valve, when the fire detecting pipe reaches the set temperature first and generates the break, the pressure in the fire detecting pipe can be released from the break, so that the original balance state of a container valve is broken and the container valve is started, at the moment, one part of the fire extinguishing agent in the fire extinguishing agent bottle group can be released from the fire detecting pipe through the break, the rapid fixed-point spraying is realized, and meanwhile, the other part of the fire extinguishing agent can be subjected to total flooding protection through an atomizing nozzle at the tail end of a main pipe from a high-.
As an improvement, one end of the pressure stabilizing valve is installed on the container valve, and the other end of the pressure stabilizing valve is provided with a plurality of fire detecting pipe connectors. The pressure in the fire detecting pipe is controlled to be stable within a certain range, for example, 0.8 MPa-1.4 MPa, so that the stable pressure in the fire detecting pipe is convenient to control, and the fire detecting pipe can be exploded within a stable temperature range.
The utility model discloses the beneficial effect who creates lies in: the utility model combines the advantage of point-to-point fire spraying of the fire extinguishing agent by the direct fire detecting tube to form local protection, and simultaneously increases the rapid total flooding protection of the protection area, thereby realizing the functions of rapid fire extinguishing and integral protection; a local module temperature out-of-control signal is introduced into a BMS (battery management system), and a local point-to-point fire extinguishing agent is rapidly sprayed through a pre-tightening control system, so that multiple starting fire extinguishment in a small range is realized, a lithium battery fire is restrained, and meanwhile, the pollution to other battery modules caused by the large amount of fire extinguishing agent sprayed in the traditional large range is avoided; when a temperature signal is extracted from a BMS (battery management system), a temperature sensor is additionally arranged, so that the working reliability of the system is improved; the battery cluster is used as a management unit to carry out modular detection and data processing, the local control module and the early warning control system are clearly divided into work, the data processing capacity of the system is improved, meanwhile, the number of the battery clusters is different according to each energy storage system, only the local control module needs to be added, and the system is stronger in universality.
Description of the drawings:
FIG. 1 is a schematic diagram of the installation structure of the device in a lithium battery container energy storage system;
fig. 2 is a schematic view of a part of the fire extinguishing agent bottle in fig. 1.
Detailed Description
As shown in fig. 1 and 2, a point-to-point quick response's lithium battery energy storage fire extinguishing system that repeats, local control module 17 is through real-time analysis temperature detector 20, the temperature data of BMS (battery management system) signal in battery PACK (assembled battery) 22, when the lithium cell appears the thermal runaway, when open fire, local control module 17 sends the start instruction and gives PACK (assembled battery) 22 local solenoid valve 13 that corresponds nozzle 15, send alarm instruction simultaneously and give early warning control system 1, cause early warning control system 1 to send the start instruction and give local electromagnetism main valve 16, thereby realize the local point-to-point jettison start-up of start-up extinguishing device 2.
In this embodiment, the fire extinguishing apparatus 2 can release the fire extinguishing agent in the fire extinguishing agent bottle group 3 into the local main pipe 10 by opening the local electromagnetic main valve 16, so as to enter each distribution valve 12, correspondingly and selectively deliver the fire extinguishing agent to the local pipe 21 by the local electromagnetic valve 13, and spray the fire extinguishing agent from the nozzle 15 to realize point-to-point protection of nearby PACK (battery PACK); when the smoke detector 18 and the temperature detector 19 detect fire signals, the signals are transmitted to the early warning control system 1, the early warning control system 1 sends a starting instruction, and the electromagnetic driving device 5 is started, so that the main channel of the container valve 4 is opened, and the fire extinguishing agent in the fire extinguishing agent bottle group 3 is uniformly sprayed into the container from the main pipeline 11 through the atomizing nozzle 14 at one time.
In this embodiment, the local control module 17 performs data interaction with a BMS (battery management system) and a thermocouple through an RS485 bus and a CAN (controller area network) bus communication mode, analyzes temperature data in real time, determines whether thermal runaway and open fire occur, sends a corresponding instruction to the early warning control system 1, and sends a local electromagnetic valve 13 on a local pipeline where a PACK (combined battery) 22 corresponds to the point location nozzle 15.
In this embodiment, the early warning control system 1 mainly receives the start signals of the local control modules 17, the smoke detector 18, and the temperature detector 19, and is provided with a manual one-key emergency start button to control the output of the alarm signal, the start and stop of the electromagnetic driving device 5, and the start and stop of the local electromagnetic main valve 16.
In this embodiment, the local electromagnetic main valve 16 and the local electromagnetic valve 13 are high-pressure-resistant large-diameter electromagnetic valves, and can be directly controlled to open and close by a power supply, so that the spraying time node of the local pipeline can be directly controlled by an electric signal, and the local nozzle 15 can perform multiple spraying according to a fire signal. The problem that the lithium battery is easy to re-combust is stably controlled for a long time;
in this embodiment, the fire detecting tube 9 is a hose which can be broken when reaching a set temperature, one end of the hose is arranged along the periphery of a PACK (combined battery) 22, the other end of the hose is connected to the pressure stabilizing valve 7, when the fire detecting tube 9 reaches a specified temperature first and a break occurs, the pressure in the fire detecting tube 9 can be released from the break, so as to break the original balance state of the container valve 4 and start the container valve, at this time, a part of the fire extinguishing agent in the fire extinguishing agent bottle group 3 can be released from the fire detecting tube 9 through the break, so as to realize rapid fixed-point spraying, and at the same time, the other part of the fire extinguishing agent can be subjected to total flooding protection from the high-pressure hose 6 through the atomizing nozzle 14 at the tail.
In this embodiment, one end of the pressure stabilizing valve 7 is installed on the container valve 4, and the other end is provided with a plurality of fire detecting pipe connectors.
The pressure in the fire detecting pipe is controlled to be stable within a certain range, for example, 0.8 MPa-1.4 MPa, so that the stable pressure in the fire detecting pipe is convenient to control, and the fire detecting pipe can be exploded within a stable temperature range.
In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (7)
1. The utility model provides a point-to-point quick response's lithium cell energy storage fire extinguishing systems that relapses which characterized in that: local control module (17) is through real-time analysis temperature detector (20), the temperature data of BMS signal in battery PACK (22), when the lithium cell appears thermal runaway, when naked light, local control module (17) send the start instruction and correspond local solenoid valve (13) of nozzle (15) for PACK (22), send alarm command simultaneously and give early warning control system (1), cause early warning control system (1) to send start instruction and give local solenoid main valve (16), thereby realize the local point-to-point of starting extinguishing device (2) and spout the start-up, it has spy firetube (9) to alternate in PACK (22).
2. The point-to-point repeated quick response lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the fire extinguishing device (2) can release the fire extinguishing agent in the fire extinguishing agent bottle group (3) into a local main pipeline (10) by opening a local electromagnetic main valve (16), so that the fire extinguishing agent enters each distribution valve (12), correspondingly and selectively conveys the fire extinguishing agent to a local pipeline (21) through a local electromagnetic valve (13), and the fire extinguishing agent is sprayed out from a nozzle (15) to realize point-to-point protection of nearby PACKs; when smoke detector (18), temperature detector (19) detected the conflagration signal, signal transmission gives early warning control system (1), and early warning control system (1) sends start-up instruction, starts electromagnetic drive device (5) to open the main entrance of container valve (4), realize that the fire extinguishing agent in fire extinguishing agent bottle group (3) is once only evenly spouted to the container in from main pipeline (11) through atomizing nozzle (14).
3. The point-to-point repeated quick response lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the local control module (17) performs data interaction with a BMS and a thermocouple through an RS485 and CAN bus communication mode, analyzes temperature data in real time, judges whether thermal runaway and naked flame occur, sends a corresponding instruction to the early warning control system (1), and sends a local electromagnetic valve (13) on a local pipeline where a point position nozzle (15) corresponding to the PACK (22) is located.
4. The point-to-point repeated quick response lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the early warning control system (1) is mainly used for controlling the output of an alarm signal, the starting and stopping of the electromagnetic driving device (5) and the starting and stopping of the local electromagnetic main valve (16) by receiving starting signals of each local control module (17), the smoke detector (18) and the temperature detector (19) and simultaneously arranging a manual one-key emergency starting button.
5. The point-to-point repeated quick response lithium battery energy storage fire extinguishing system as recited in claim 1 or 2, wherein: the local electromagnetic main valve (16) and the local electromagnetic valve (13) are high-pressure-resistant large-diameter electromagnetic valves and can be directly controlled to be opened and closed through a power supply, so that the spraying time node of a local pipeline can be directly controlled through an electric signal, and the local nozzle (15) can be sprayed for multiple times according to a fire signal.
6. The point-to-point repeated quick response lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the fire detecting pipe (9) is a hose which can be broken when reaching a set temperature, one end of the hose is arranged along the periphery of the PACK (22), the other end of the hose is connected to the pressure stabilizing valve (7), when the fire detecting pipe (9) reaches a specified temperature first and the broken opening occurs, pressure in the fire detecting pipe (9) can be relieved from the broken opening, the original balance state of the container valve (4) is broken and the fire detecting pipe is started, at the moment, one part of fire extinguishing agent in the fire extinguishing agent bottle group (3) can be released from the fire detecting pipe (9) through the broken opening, the rapid fixed-point spraying is realized, and meanwhile, the other part of fire extinguishing agent can be subjected to total flooding protection from the high-pressure hose (6) through the atomizing nozzle (14) at the tail end of the main pipeline (11).
7. The point-to-point repeated quick response lithium battery energy storage fire extinguishing system as recited in claim 6, wherein: one end of the pressure stabilizing valve (7) is installed on the container valve (4), and the other end of the pressure stabilizing valve is provided with a plurality of fire detecting pipe connectors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020375120.0U CN213609517U (en) | 2020-03-23 | 2020-03-23 | Lithium battery energy storage fire extinguishing system with point-to-point repeated quick response |
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| CN202020375120.0U CN213609517U (en) | 2020-03-23 | 2020-03-23 | Lithium battery energy storage fire extinguishing system with point-to-point repeated quick response |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944869A (en) * | 2022-11-25 | 2023-04-11 | 浙江南都能源科技有限公司 | Fire-fighting system of energy storage cabinet and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944869A (en) * | 2022-11-25 | 2023-04-11 | 浙江南都能源科技有限公司 | Fire-fighting system of energy storage cabinet and control method thereof |
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Effective date of registration: 20231225 Address after: Room 204-4, Building G4, Wuhan New Energy Research Institute Building, No. 999 Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430206 (Wuhan Free Trade Zone) Patentee after: Wuhan Sanfu New Material Technology Co.,Ltd. Address before: No.220 Lingli Road, Lingqiao Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LANDUN ELECTRICIAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |