CN111569323A - Open many times and stop controllable lithium cell energy storage fire extinguishing systems - Google Patents
Open many times and stop controllable lithium cell energy storage fire extinguishing systems Download PDFInfo
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- CN111569323A CN111569323A CN202010530777.4A CN202010530777A CN111569323A CN 111569323 A CN111569323 A CN 111569323A CN 202010530777 A CN202010530777 A CN 202010530777A CN 111569323 A CN111569323 A CN 111569323A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 37
- 238000004146 energy storage Methods 0.000 title claims abstract description 32
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 238000007726 management method Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 description 52
- 230000006872 improvement Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/08—Actuation involving the use of explosive means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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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
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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
- H01M10/4285—Testing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- General Chemical & Material Sciences (AREA)
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- Analytical Chemistry (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a multi-time start-stop controllable lithium battery energy storage fire extinguishing system which comprises a power supply management system, an early warning control system and a fire extinguishing device, wherein the early warning control system is connected with the power supply management system, the fire extinguishing device is externally connected with a fire extinguishing agent local conveying main pipe, a fire extinguishing agent conveying full submerged pipeline and a temperature sensing fire detecting pipe, the rear section of the local conveying main pipe is connected with a confluence module, the rear end of the confluence module is provided with an electromagnetic valve, the electromagnetic valve is connected with the confluence module and a local atomizing nozzle in series, and a battery thermal runaway sensor, a smoke detector and a temperature sensing detector are externally connected with the early warning control system. Can be accurate to the conflagration position of taking place to the local solenoid valve release fire extinguishing agent that the control corresponds realizes accurate the surveying of a lot of and puts out a fire with accurate, improves the efficiency of putting out a fire.
Description
Technical Field
The invention relates to the field of fire extinguishing devices, in particular to a multi-time start-stop controllable lithium battery energy storage fire extinguishing system in a fire extinguishing device.
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 in order to improve energy utilization density, in the space that is narrow and small relatively, set up more energy storage, the space has been extruded and can't ensure fire safety, for example arrange 2 MWh's battery capacity in the 40 chi energy storage containers, and electric core closely arranges in the pack, in case take place thermal runaway, very easily arouses chain fire spreading and explosion. The thermal runaway of the unable timely detection lithium cell of traditional conflagration early warning, when through the thalposis, when the conflagration is confirmed to the smoke sensation, often take place the large tracts of land and stretch, join in marriage traditional conflagration release technique again, the battery frame is walked around to the unable very first time of fire extinguishing agent, battery pack, the module enters into near the electric core realization of thermal runaway and puts out a fire, and the biggest problem of lithium cell thermal runaway is because it can continuously produce the heat, very easily arouse the after combustion, traditional release technique is with the area evenly released in whole space, along with the effect of gravity down of fire extinguishing agent received, near the thermal runaway battery hardly keep higher suppression concentration in longer a period, the abundant accurate utilization of limited fire extinguishing agent resource fails.
The invention provides a multi-start-stop controllable lithium battery energy storage fire extinguishing system aiming at the fire hazard characteristics of a lithium battery energy storage system, the uncertainty of the layout in a container energy storage system and the easy re-ignition characteristics of lithium battery fire
Disclosure of Invention
The invention aims to provide a multi-start-stop controllable lithium battery energy storage fire extinguishing system, which can effectively realize quick detection of thermal runaway of a lithium battery, improve early warning response speed, realize start-stop controllability, complete a multi-time intermittent fire extinguishing function, improve the use efficiency of a unit amount of fire extinguishing agent, and particularly effectively and correspondingly solve the technical problem that the lithium battery is easy to re-ignite.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a stop controllable lithium cell energy storage fire extinguishing system many times, includes power management system, the early warning control system who is connected with power management system, the extinguishing device who is connected with early warning control system, extinguishing device are external to have the local delivery house steward of fire extinguishing agent, fire extinguishing agent to carry and to submerge pipeline, temperature sensing fire detection pipe entirely, and local delivery house steward back end is connected with the module that converges, and the module rear end that converges is provided with the solenoid valve, the solenoid valve concatenates converge module and local atomizing nozzle, and is external to have battery thermal runaway sensor, smoke detector, temperature-sensing detector with early warning control system, power management system includes voltage monitoring device, temperature monitoring devices, still be connected with manual start button, manual reset button, signal linkage output device on the early warning control system.
The power management system is a management system of the energy storage battery, and parameters of the energy storage battery during operation, including cell voltage, temperature and the like, are monitored in real time. Early warning control system supports RS485 communication, CAN communication, ethernet communication, and signals such as analog quantity signal, switching value are through voltage parameter, the temperature parameter with power management system communication collection lithium cell electricity core, CAN directly or indirectly gather battery thermal runaway sensor's signal, CAN directly gather fire detector: the smoke detector and the temperature detector can be directly connected with signals such as a manual starting button signal and a manual reset button, control instructions are sent to the fire extinguishing device through a series of data operations in the early warning control system by acquiring the signals, and the fire extinguishing device performs a series of action reactions corresponding to the instructions.
As an improvement, the fire extinguishing device comprises a fire extinguishing agent bottle group, a high-pressure hose and an electromagnetic driving device.
As an improvement, the fire extinguishing agent bottle group comprises a container, a container valve connected to the upper end of the container, a main electromagnetic valve arranged on the container valve and used for controlling the on-off of a local main pipeline, a safety valve arranged on the container valve and used for preventing the over-high pressure of the bottle group, a pressure reducing device arranged on the container valve, a first leakage detecting device arranged on the pressure reducing valve and a second leakage detecting device arranged on the container valve.
As an improvement, the signal linkage output device comprises an acousto-optic alarm, an alarm bell and a fire extinguishing agent release indicator lamp. After the fire extinguishing device is started, a related alarm instruction is sent out, wherein the related alarm instruction comprises an acousto-optic alarm, an alarm bell and a fire extinguishing agent release indicator lamp, and a third-party equipment linkage control instruction is sent out.
As an improvement, the early warning control system is further connected with a local control module, the local control module is connected with electromagnetic valves, the actual number of the packs in the electromagnetic valves and the energy storage system corresponds to the arrangement condition, and each pack corresponds to one electromagnetic valve.
As an improvement, a thermal runaway sensor is connected to the local control module, and the thermal runaway sensor and the pack are arranged correspondingly. The thermal runaway sensor has a higher range and higher reliability relative to a temperature sensor carried by a battery core, and each pack is correspondingly arranged.
As an improvement, when a smoke detector and a temperature detector detect fire signals or manual starting signals are collected, the early warning control system sends a starting instruction electromagnetic driving device to start a valve core of a container valve, so that the fire extinguishing agent in the fire extinguishing agent bottle group is uniformly sprayed into a container from a main pipeline through an atomizing nozzle at one time, and the large-range total flooding protection is realized.
As an improvement, the fire extinguishing apparatus is internally provided with a fire extinguishing agent bottle group, a high-pressure hose convenient to connect is arranged between the bottle group and a main pipeline, the inlet end of a main electromagnetic valve is communicated with a container valve, the outlet end of the main electromagnetic valve is communicated with a local conveying main pipe, the top of the container valve is provided with an electromagnetic driving device, and the container valve is positively provided with a second leakage detecting device for observing whether the fire extinguishing agent in the fire extinguishing agent bottle group leaks. After the instruction is received to local electromagnetism main valve, open container valve and local delivery house steward, the fire extinguishing agent of fire extinguishing agent bottle group enters into house steward fast, and after early warning control system sent the solenoid valve start-up instruction that the pack corresponds this moment, the fire extinguishing agent from house steward in flow to local pipeline, in the pack that corresponds is sprayed through local atomizing nozzle again, realize the accurate transport of fire extinguishing agent, reach the concentration of putting out a fire fast in the pack.
As an improvement, the pressure reducing device mainly realizes that the pressure in the fire detecting pipe is controlled to be stabilized within the range of 0.8MPa to 1.4MPa and the stable pressure in the fire detecting pipe is controlled, so that the fire detecting pipe can be exploded within a stable temperature range, and particularly, the pressure reducing device is provided with a pressure reducing valve body, a pressure reducing valve core and a pressure reducing valve cover, wherein the pressure reducing valve body is connected with a container valve through threads, a sealing gasket and a pressure regulating spring are arranged between the pressure reducing valve core and the pressure reducing valve body, the fixed proportion of the pressure in the container and the pressure in the fire detecting pipe is realized by combining the proportion of the upper sectional area and the lower sectional area of the pressure reducing valve core, the pressure reducing valve cover is provided with a pressure reducing base, a pressure reducing spring clamped on the pressure reducing base and a pressure reducing piston clamped on the pressure reducing spring, when the pressure in the fire detecting pipe is overhigh, the sealing surface between the pressure reducing, the pre-tightening force of the pressure relief spring is adjusted, so that the upper limit value pressure relief adjustment of the pressure in the fire detection tube is achieved. Pressure relief device is equipped with two and surveys firetube adapter, is convenient for install fast and surveys firetube, and pressure relief device is equipped with first leak hunting device, can look over through this leak hunting device whether the intraductal pressure of exploring firetube is in the pressure range of settlement.
As an improvement, the fire detecting pipe is a hose with a broken opening when reaching a set temperature, two ends of the fire detecting pipe are installed on the pressure reducing device, the middle part of the fire detecting pipe is arranged along the periphery of the pack, when the fire detecting pipe reaches a specified temperature and the broken opening occurs, the pressure in the fire detecting pipe can be relieved from the broken opening, a sealing surface between the pressure reducing valve core and the pressure reducing valve body can be separated, the original balance state of the container valve is damaged, the valve core 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 broken opening, the quick fixed-point spraying is realized, and meanwhile, the other part of the fire extinguishing agent can flow from the high-pressure hose to the atomizing nozzle for full.
As an improvement, the local control module CAN convert a single-point signal of the thermal runaway sensor into a bus signal with an address, and the bus signal is transmitted to the early warning control system in an RS485, CAN and ethernet manner, and the early warning control system CAN set corresponding valve on-off of a control signal of the battery valve in an RS485, CAN and ethernet manner, so that point-to-point signal acquisition and solenoid valve control are realized.
The invention effectively realizes that: firstly, the thermal runaway of the lithium battery is quickly detected, and the early warning response speed is improved; secondly, the fire occurrence part is accurately positioned, the fire extinguishing agent is accurately released, and the fire extinguishing efficiency is improved; according to fire signal, realize opening and stop controllably, intermittent type nature is spouted and is put fire extinguishing agent, can pass through intermittent type nature, the point-to-point spouting of persistence with current fire extinguishing agent, improves the utilization efficiency of fire extinguishing agent, solves the easy fire characteristic of reburning of lithium cell, carries out long-term continuous cooling and puts out a fire.
The beneficial effects of the invention are as follows: the high-pressure electromagnetic valve is arranged on a local pipeline, so that the release of the fire extinguishing agent on the pipeline can be controlled repeatedly through a point signal, and the start and stop can be controlled; the early warning control system is linked with the power management system, and whether the battery has thermal runaway or not is judged by analyzing the change relation of the voltage and the temperature of the battery cell in real time on line, so that the fire risk can be early warned, the early warning response speed is improved, and the fire can be controlled to be restrained in the initial stage; by analyzing the address code of the thermal runaway cell and the address code of the thermal runaway sensor, the fire occurrence part can be accurately reached, so that the corresponding local electromagnetic valve is controlled to release the fire extinguishing agent, the accurate detection and the accurate fire extinguishing are realized, and the fire extinguishing efficiency is improved; by analyzing the temperature change rate of the battery core and the data change rate of the thermal runaway sensor in real time and positioning and analyzing the occurrence of fire, the accuracy of fire judgment can be improved and false alarm can be reduced; the pressure reducing valve is provided with three connecting ports, the two connecting ports are made into the input and the output of the fire detecting tube to be made into a loop, one leakage detecting device is installed to replace a one-way valve and a pressure gauge arranged at the tail end of the traditional fire detecting tube, connecting accessories can be reduced, meanwhile, the fire detecting tube is made into a loop, and the fire extinguishing agent conveying capacity of the fire detecting tube can be improved.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the device in a lithium battery container energy storage system;
FIG. 2 is a schematic diagram of the fire suppressant bottle group of FIG. 1;
FIG. 3 is a schematic diagram of a cross-sectional view of the pressure reducing valve of FIG. 2;
FIG. 4 is a side sectional view of the pressure relief valve of FIG. 3;
fig. 5 is a schematic diagram of a multi-start early warning control process.
Detailed Description
As shown in fig. 1-5, the energy storage and fire extinguishing system for the lithium battery with controllable start and stop for multiple times comprises a power management system 1, the fire extinguishing system comprises an early warning control system 2 connected with a power management system and a fire extinguishing device 3 connected with the early warning control system, wherein the fire extinguishing device is externally connected with a fire extinguishing agent local delivery main pipe 8, a fire extinguishing agent delivery total flooding pipeline 16 and a temperature sensing fire detecting pipe 7, the rear section of the local delivery main pipe is connected with a confluence module 10, the rear end of the confluence module 10 is provided with an electromagnetic valve 9, the electromagnetic valve 9 is connected with the confluence module and a local atomizing nozzle 15 in series, a battery thermal runaway sensor 13, a smoke detector 17 and a temperature detector 18 are connected with the early warning control system, the power management system comprises a voltage monitoring device and a temperature monitoring device, and the early warning control system is further connected with a manual starting button 201, a manual reset button 202 and a signal linkage output device 203.
The power management system 1 is a management system of the energy storage battery, and monitors parameters of the energy storage battery during operation in real time, including cell voltage, temperature and the like. Early warning control system 2 supports RS485 communication, CAN communication, ethernet communication, and signals such as analog quantity signal, switching value are through voltage parameter, the temperature parameter with 1 communication acquisition lithium cell electricity core of power management system, CAN directly or indirectly gather battery thermal runaway sensor 13's signal, CAN directly gather fire detector: the signals of the smoke detector 17 and the temperature detector 18 can be directly connected with signals of a manual starting button 201 and a manual reset button 202, and control instructions are sent to the fire extinguishing device through a series of data operations in the early warning control system by acquiring the signals, and the fire extinguishing device performs a series of action reactions corresponding to the instructions.
In this embodiment, the fire extinguishing apparatus 3 includes a fire extinguishing agent bottle group 6, a high-pressure hose 4, and an electromagnetic driving device 5.
In this embodiment, the fire extinguishing agent cylinder group 6 includes a container 61, a container valve 62 connected to the upper end of the container, a main solenoid valve 63 provided on the container valve for controlling the on/off of the local main line, a safety valve 64 provided on the container valve for preventing the cylinder group from being over-pressurized, a pressure reducing device 65 provided on the container valve, a first leak detecting device 66 provided on the pressure reducing valve, and a second leak detecting device 67 provided on the container valve.
In this embodiment, the signal linkage output device 203 comprises an audible and visual alarm, an alarm bell, and a fire extinguishing agent release indicator light. After the fire extinguishing device is started, a related alarm instruction is sent out, wherein the related alarm instruction comprises an acousto-optic alarm, an alarm bell and a fire extinguishing agent release indicator lamp, and a third-party equipment linkage control instruction is sent out.
In the work, mutually support by early warning control system 2 and extinguishing device 3 and realize opening many times and stop controllablely, early warning control system 2 is responsible for signal acquisition and conflagration judgement to issue control command and give extinguishing device 3, concrete implementation is: the early warning control system 2 judges that the initial lithium battery fire mainly acquires the temperature and voltage signals of all lithium battery cells in the energy storage system through the power management system 1, each voltage signal and temperature signal have corresponding address codes, specifically, when a certain cell is in thermal runaway, the temperature of the cell is continuously increased firstly, and when the certain state is reached, the voltage is reduced, namely the temperature signal T0 is more than or equal to T0, T0 is the irreversible boundary condition of the thermal runaway of the cell, the cell voltage U is less than or equal to U0, and U0 is the voltage boundary value of the thermal runaway of the cell voltage, at the moment, the early warning control system 2 can position the fire hazard to a corresponding Pack inner module according to the address codes corresponding to the temperature signal T and the voltage signal U, and issue an instruction to the electromagnetic main valve 63, open the local release pipeline main valve, the fire extinguishing agent enters the local delivery pipeline main pipe 8, the early warning control system 2 issues an instruction to the electromagnetic valve 9 corresponding to the address, the module 10 that converges that is connected with solenoid valve 9 dredges extinguishing agent to local atomizing nozzle with extinguishing device, realizes accurate location and first spouts extinguishing agent, puts out initial stage conflagration, and early warning control system 2 sends reset instruction according to the single release duration that the system set for and gives solenoid valve 63 and solenoid valve 9, and extinguishing device stops to spout extinguishing agent.
After extinguishing device 3 releases for the first time, because can continuously generate heat in the lithium cell, can slowly heat up gradually in module, pack14, the condition of a fire is reburning the possibility great again, under this condition, contains the condition that the start many times is realized to following series:
multiple starting conditions are as follows: at this time, the early warning control system 2 can continuously judge that the battery reaches the thermal runaway boundary condition again through the temperature T0 of the battery cell is more than or equal to T0 and the heating rate Kt0 of the battery cell is more than or equal to k0, and the fire extinguishing device needs to be started again according to the judgment;
and a second multiple starting condition: the scheme comprises the following steps that along with severe reaction and violent combustion, a thermal runaway sensor 13 can detect and transmit a temperature signal to an early warning control system 2 in real time, the early warning control system 2 judges whether a fire disaster occurs in a pack correspondingly or not and whether a fire extinguishing device needs to be started again or not by analyzing an environmental temperature runaway boundary condition T1 at a corresponding position, namely T1 is more than or equal to T1 and Kt1 is more than or equal to K1;
and a third starting condition for multiple times: combining the temperature of the battery core, judging whether the temperature of the thermal runaway sensor reaches the corresponding runaway boundary values T0 and T0 and T1 and T1 respectively, and comprehensively judging whether the fire extinguishing device is restarted or not by mutual assistance;
and a fourth starting condition for multiple times: the temperature of thermal runaway sensor cooperatees with traditional smoke detector 17, the accurate location of thermal runaway sensor realization temperature, smoke detector subsidiary certificate thermal runaway's risk, combine the secondary of above-mentioned location pack to fire again, thermal runaway's risk, early warning control system 2 issues the instruction once more and gives main solenoid valve 63, solenoid valve 9, start extinguishing device, extinguishing device 3 lasts to spout after setting for the time, early warning control system 2 issues reset instruction and gives main solenoid valve 63 and solenoid valve 9, extinguishing device stops to spout fire extinguishing agent, realize the secondary and spout, early warning control system 3 can real-time on-line analysis electric core's temperature simultaneously, the rate of heating, judge whether electric core has reached the boundary condition of thermal runaway, whether the selection needs to start extinguishing device once more, with this circulation, realize the automatic control of a lot of start-up spray.
In this embodiment, when the smoke detector 17 and the temperature detector 18 detect a fire signal or the manual start signal 201, the early warning control system 2 sends the start instruction to the electromagnetic driving device 5, so as to start the valve core of the container valve 62, so that the fire extinguishing agent in the fire extinguishing agent bottle group 6 is uniformly sprayed into the container from the main pipe 16 through the atomizing nozzle 19 at one time, and the large-range total flooding protection is realized;
in this embodiment, the fire extinguishing apparatus 3 is provided with a fire extinguishing agent bottle group 6 inside, a high-pressure hose 4 convenient for connection is provided between the bottle group 6 and the main pipeline 16, the inlet end of the electromagnetic main valve 63 is communicated with the container valve 62, the outlet end is communicated with the local delivery main pipe 8, the top of the container valve 62 is provided with an electromagnetic driving device 5, and the front of the container valve 62 is provided with a second leakage detecting device 67 for observing whether the fire extinguishing agent in the fire extinguishing agent bottle group 6 leaks. After local electromagnetism main valve 63 received the instruction, open container valve 62 and local delivery manifold 8, the fire extinguishing agent in the fire extinguishing agent bottle group 6 enters into manifold 8 fast, this moment early warning control system 2 sends the solenoid valve 9 start-up instruction that pack14 corresponds after, the fire extinguishing agent flows to local pipeline 12 in from manifold 8 in, sprays corresponding pack14 through local atomizing nozzle 15 again in, realize the accurate transport of fire extinguishing agent, reach the concentration of putting out a fire in the pack14 fast.
In this embodiment, the pressure reducing device 65 mainly controls the pressure in the fire detecting tube 7 to be stabilized within a range of 0.8MPa to 1.4MPa, and controls a stable pressure in the fire detecting tube, so as to realize the explosion of the fire detecting tube within a stable temperature range, specifically, the pressure reducing device is provided with a pressure reducing valve body 651, a pressure reducing valve core 654, a pressure reducing valve cover 653, the pressure reducing valve body 651 is connected with the container valve 62 through a thread, a sealing gasket 659 and a pressure regulating spring 658 are arranged between the pressure reducing valve core 654 and the pressure reducing valve body 651, a fixed proportion of the pressure in the container 61 and the pressure in the fire detecting tube 7 is realized by combining the proportion of the upper and lower sectional areas of the pressure reducing valve core 654, a pressure releasing base 656, a pressure releasing spring 657 clamped on the pressure releasing base, and a piston 655 supported on the pressure releasing spring are arranged on the pressure releasing valve cover 653, when the pressure in the fire detecting tube 7 is too high, automatic pressure relief is carried out, the pre-tightening force of the pressure relief spring 657 can be adjusted by adjusting the position between the pressure relief base 656 and the valve cover 653, so that the pressure relief adjustment of the upper limit value of the pressure in the fire detection pipe (7) is realized. The pressure reducing device 65 is provided with two fire detecting tube adapters 652, which facilitate quick installation of the fire detecting tube 7, and the pressure reducing device 65 is provided with a first leak detection device 66 through which whether the pressure in the fire detecting tube 7 is within a set pressure range can be checked.
In this embodiment, the fire detecting tube 7 is a hose with a break at a preset temperature, two ends of the hose are installed on the pressure reducing device 65, the middle of the fire detecting tube 7 is arranged along the periphery of the pack14, when the fire detecting tube 9 reaches a preset temperature and a break occurs, the pressure in the fire detecting tube 7 is relieved from the break, the sealing surface between the pressure reducing valve core 654 and the pressure reducing valve body 651 is disengaged, the original balance state of the container valve 62 is destroyed and the valve core is started, at this time, a part of the fire extinguishing agent in the fire extinguishing agent bottle group 6 is released from the fire detecting tube 7 through the break, the rapid fixed-point spraying is realized, and simultaneously, the other part of the fire extinguishing agent flows to the atomizing nozzle 19 from the high-pressure hose 4 through the main pipe 16 for total flooding protection.
In this embodiment, the local control module 11 may convert the single-point signal of the thermal runaway sensor 13 into a bus signal with an address, and transmit the bus signal to the early warning control system 2 in an RS485, CAN, and ethernet manner, and the early warning control system 2 may set the corresponding valve on/off of the control signal of the battery valve 9 in an RS485, CAN, and ethernet manner, so as to realize point-to-point signal acquisition and solenoid valve control.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a stop controllable lithium cell energy storage fire extinguishing system many times, includes power management system (1), early warning control system (2) of being connected with power management system, extinguishing device (3) of being connected with early warning control system, extinguishing device are external to have extinguishing agent local delivery house steward (8), extinguishing agent to carry and to submerge pipeline (16), temperature sensing fire detection pipe (7) entirely, and local delivery house steward back end is connected with module (10) that converges, and module (10) rear end that converges is provided with solenoid valve (9), solenoid valve (9) concatenate converge module and local atomizing nozzle (15), and early warning control system is external to have battery thermal runaway sensor (13), smoke detector (17), temperature-sensing detector (18), power management system includes voltage monitoring device, temperature monitoring device, still be connected with manual start button (201) on the early warning control system, A manual reset button (202) and a signal linkage output device (203).
2. The multi-time start-stop controllable lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the fire extinguishing device (3) comprises a fire extinguishing agent bottle group (6), a high-pressure hose (4) and an electromagnetic driving device (5).
3. The multi-time start-stop controllable lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the fire extinguishing agent bottle group (6) comprises a container (61), a container valve (62) connected to the upper end of the container, a main electromagnetic valve (63) arranged on the container valve and used for controlling the on-off of a local main pipeline, a safety valve (64) arranged on the container valve and used for preventing the over-high pressure of the bottle group, a pressure reducing device (65) arranged on the container valve, a first leakage detecting device (66) arranged on the pressure reducing valve and a second leakage detecting device (67) arranged on the container valve.
4. The multi-time start-stop controllable lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the signal linkage output device (203) comprises an acousto-optic alarm, an alarm bell and a fire extinguishing agent release indicator lamp.
5. The multi-time start-stop controllable lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: early warning control system (2) still are connected with local control module (11), local control module (11) are connected with solenoid valve (9), solenoid valve (9) concatenate converge module and local atomizing nozzle (15), the actual quantity of pack (14) corresponds the setting with the arrangement condition among solenoid valve (9) and the energy storage system, and every pack (14) corresponds a solenoid valve (9).
6. The multi-time start-stop controllable lithium battery energy storage fire extinguishing system according to claim 5, characterized in that: the local control module (11) is connected with a thermal runaway sensor (13), and the thermal runaway sensor (13) and the pack (14) are arranged correspondingly; the early warning control system (2) is linked with the power management system (1), the thermal runaway sensor (13) transmits a signal to the local control module (11), then the local control module (11) transmits the signal to the early warning control system (2), and the early warning control system (2) can start the electromagnetic driving device (5) for multiple times to perform multiple times of local spraying.
7. The energy storage and fire extinguishing system for the lithium battery with the controllable start and stop for multiple times as claimed in claim 1 or 5, wherein the energy storage and fire extinguishing system comprises: early warning control system (2), when it gathered smoke detector (17), when temperature detector (18) detected fire signal or manual start signal (201), early warning control system (2) send start instruction electromagnetic drive device (5) to the case of start container valve (62), realize that the fire extinguishing agent in fire extinguishing agent bottle group (6) is once only all evenly spouted to the container in from trunk line (16) through atomizing nozzle (19), realize the total flooding protection on a large scale.
8. The multi-time start-stop controllable lithium battery energy storage and fire extinguishing system according to claim 1 or 2, characterized in that: extinguishing device (3), inside fire extinguishing agent bottle group (6) that is equipped with, be equipped with high-pressure hose (4) of being convenient for to connect between bottle group (6) and trunk line (16), solenoid valve (63) entrance point and container valve (62) UNICOM, exit end and local delivery house steward (8) UNICOM, container valve (62) top is equipped with electromagnetic drive device (5), and container valve (62) openly are equipped with second leak hunting device (67) for whether the fire extinguishing agent exists the leakage condition in observation extinguishing agent bottle group (6).
9. The multi-time start-stop controllable lithium battery energy storage fire extinguishing system according to claim 3, characterized in that: the pressure reducing device (65) mainly realizes that the pressure in the fire detecting pipe (7) is controlled to be stabilized within the range of 0.8 MPa-1.4 MPa, and the stable pressure in the fire detecting pipe is controlled, so that the fire detecting pipe can explode within a stable temperature range, and particularly, the pressure reducing device is provided with a pressure reducing valve body (651), a pressure reducing valve core (654) and a pressure reducing valve cover (653), wherein the pressure reducing valve body (651) is connected with a container valve (62) through threads, a sealing gasket (659) and a pressure regulating spring (658) are arranged between the pressure reducing valve core (654) and the pressure reducing valve body (651), the pressure in the container (61) and the pressure in the fire detecting pipe (7) form a fixed proportion by combining the proportion of the upper and lower sectional areas of the pressure reducing valve core (654), a base (656) is arranged on the pressure reducing valve cover (653), a pressure reducing spring (657) clamped on the pressure reducing base is, when the pressure in the fire detecting pipe (7) is too high, a sealing surface between the pressure relief piston (655) and the pressure relief valve cover (653) is automatically jacked open to automatically relieve the pressure, and the pre-tightening force of the pressure relief spring (657) can be adjusted by adjusting the position of the pressure relief base (656) relative to the valve cover (653), so that the upper limit value pressure relief adjustment of the pressure in the fire detecting pipe (7) is achieved. Pressure relief device (65) are equipped with two and visit firetube adapter (652), are convenient for install fast and visit firetube (7), and pressure relief device (65) are equipped with first leak hunting device (66), can look over through this leak hunting device and visit whether the pressure in firetube (7) is in the pressure range of settlement.
10. The multi-time start-stop controllable lithium battery energy storage fire extinguishing system according to claim 1, characterized in that: the local control module (11) CAN convert a single-point signal of the thermal runaway sensor (13) into a bus signal with an address, the bus signal is transmitted to the early warning control system (2) in a RS485, CAN and Ethernet mode, and the early warning control system (2) CAN set corresponding valve on-off of a control signal of the battery valve (9) in the RS485, CAN and Ethernet modes, so that point-to-point signal acquisition and solenoid valve control are realized.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121333A (en) * | 2020-09-24 | 2020-12-25 | 武汉川消智慧消防科技有限公司 | Temperature sensing self-starting extinguishing device and electrical equipment fire extinguishing system using same |
| CN112439146A (en) * | 2020-11-23 | 2021-03-05 | 徐州海伦哲特种车辆有限公司 | Multi-stage intelligent fire extinguishing system and control method |
| CN112635870A (en) * | 2020-11-30 | 2021-04-09 | 深圳悠久动力科技有限公司 | Device and method for preventing lithium battery in charging box from being ignited and exploded |
| CN113476765A (en) * | 2021-07-12 | 2021-10-08 | 许昌许继风电科技有限公司 | Full-submergence automatic fire-fighting system for engine room of wind turbine generator and control method thereof |
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| CN114569919A (en) * | 2022-05-05 | 2022-06-03 | 深圳达温技术服务有限公司 | Lithium battery afterburning prevention fire extinguishing device and fire extinguishing agent economic injection method thereof |
| CN114699676A (en) * | 2022-03-29 | 2022-07-05 | 华为数字技术（苏州）有限公司 | Energy storage system and control method thereof |
| CN114849104A (en) * | 2022-04-22 | 2022-08-05 | 山东雷纳新材料工程有限公司 | Fire extinguishing device capable of continuously cooling through multiple-time spraying and control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274602A (en) * | 2011-06-01 | 2011-12-14 | 浙江信达可恩消防实业有限责任公司 | Container valve |
| CN208465035U (en) * | 2018-06-01 | 2019-02-05 | 浙江信达可恩消防实业有限责任公司 | Perfluor hexanone direct-type visits fire tube extinguishing device |
| CN110893271A (en) * | 2019-09-10 | 2020-03-20 | 浙江蓝盾电工新材料科技有限公司 | Electric control temperature-sensing container valve |
| CN111228689A (en) * | 2020-03-23 | 2020-06-05 | 浙江蓝盾电工新材料科技有限公司 | Lithium battery energy storage fire extinguishing system with point-to-point repeated quick response |
| CN214808010U (en) * | 2020-06-11 | 2021-11-23 | 浙江蓝盾电工新材料科技有限公司 | Open many times and stop controllable lithium cell energy storage fire extinguishing systems |
-
2020
- 2020-06-11 CN CN202010530777.4A patent/CN111569323A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274602A (en) * | 2011-06-01 | 2011-12-14 | 浙江信达可恩消防实业有限责任公司 | Container valve |
| CN208465035U (en) * | 2018-06-01 | 2019-02-05 | 浙江信达可恩消防实业有限责任公司 | Perfluor hexanone direct-type visits fire tube extinguishing device |
| CN110893271A (en) * | 2019-09-10 | 2020-03-20 | 浙江蓝盾电工新材料科技有限公司 | Electric control temperature-sensing container valve |
| CN111228689A (en) * | 2020-03-23 | 2020-06-05 | 浙江蓝盾电工新材料科技有限公司 | Lithium battery energy storage fire extinguishing system with point-to-point repeated quick response |
| CN214808010U (en) * | 2020-06-11 | 2021-11-23 | 浙江蓝盾电工新材料科技有限公司 | Open many times and stop controllable lithium cell energy storage fire extinguishing systems |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121333A (en) * | 2020-09-24 | 2020-12-25 | 武汉川消智慧消防科技有限公司 | Temperature sensing self-starting extinguishing device and electrical equipment fire extinguishing system using same |
| CN112121333B (en) * | 2020-09-24 | 2021-11-09 | 武汉川消智慧消防科技有限公司 | Temperature sensing self-starting extinguishing device and electrical equipment fire extinguishing system using same |
| CN112439146A (en) * | 2020-11-23 | 2021-03-05 | 徐州海伦哲特种车辆有限公司 | Multi-stage intelligent fire extinguishing system and control method |
| CN112635870A (en) * | 2020-11-30 | 2021-04-09 | 深圳悠久动力科技有限公司 | Device and method for preventing lithium battery in charging box from being ignited and exploded |
| CN113476765A (en) * | 2021-07-12 | 2021-10-08 | 许昌许继风电科技有限公司 | Full-submergence automatic fire-fighting system for engine room of wind turbine generator and control method thereof |
| CN113813541A (en) * | 2021-10-16 | 2021-12-21 | 远景能源有限公司 | Fire control method and device and fire-fighting equipment |
| CN114699676A (en) * | 2022-03-29 | 2022-07-05 | 华为数字技术（苏州）有限公司 | Energy storage system and control method thereof |
| CN114849104A (en) * | 2022-04-22 | 2022-08-05 | 山东雷纳新材料工程有限公司 | Fire extinguishing device capable of continuously cooling through multiple-time spraying and control method |
| CN114569919A (en) * | 2022-05-05 | 2022-06-03 | 深圳达温技术服务有限公司 | Lithium battery afterburning prevention fire extinguishing device and fire extinguishing agent economic injection method thereof |
| CN114569919B (en) * | 2022-05-05 | 2022-10-28 | 深圳达温技术服务有限公司 | Lithium battery re-combustion preventing and fire extinguishing device and fire extinguishing agent economic spraying method thereof |
| CN117913420A (en) * | 2024-03-19 | 2024-04-19 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
| CN117913420B (en) * | 2024-03-19 | 2024-07-12 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
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