KR102123685B1 - Gas detection ESS Fire Extinguisher - Google Patents

Gas detection ESS Fire Extinguisher Download PDF

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KR102123685B1
KR102123685B1 KR1020190135544A KR20190135544A KR102123685B1 KR 102123685 B1 KR102123685 B1 KR 102123685B1 KR 1020190135544 A KR1020190135544 A KR 1020190135544A KR 20190135544 A KR20190135544 A KR 20190135544A KR 102123685 B1 KR102123685 B1 KR 102123685B1
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ion battery
fire extinguishing
extinguishing agent
lithium ion
gas detection
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KR1020190135544A
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Korean (ko)
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이의용
한종희
한종대
홍승태
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주식회사 창성에이스산업
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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
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M2/1077—
    • H01M2/1094—
    • H01M2/12—
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The present invention relates to a gas detection type ESS fire extinguishing apparatus and, more specifically, to a gas detection type energy storage system (ESS) fire extinguishing apparatus including a plurality of lithium ion battery racks and a fire extinguishing agent storage part. The lithium ion battery racks include a plurality of lithium ion battery modules. The lithium ion battery modules include: a plurality of lithium ion battery cells; a piping part installed in the upper part of each of the lithium ion battery cells and including a plurality of punching holes to suction air through the punching holes; and a gas detection part detecting specific gas from the air suctioned from the piping part. The lithium ion battery racks include: the plurality of lithium ion battery modules; a fire extinguishing agent spray part installed on one side; and a control part enabling a fire extinguishing agent to be sprayed from the fire extinguishing agent storage part to the fire extinguishing agent spray part when receiving a gas detection signal from the gas detection part of each of the lithium ion battery modules. Therefore, the present invention is capable of spraying a fire extinguishing agent before the occurrence of a fire by detecting a vent gas generation phenomenon which is a sign of a fire on an energy storage system (ESS), thus preventing a fire and subsequent damage to a lithium ion battery.

Description

가스감지식 ESS 소화장치 {Gas detection ESS Fire Extinguisher}Gas detection ESS fire extinguisher

본 발명은 가스감지식 ESS 소화장치에 관한 것으로서, 보다 구체적으로 에너지 저장 시스템(ESS)의 화재 전조 현상인 벤트 가스 발생현상을 감지하여 화재가 발생하기 전에 소화약제를 분사하여 화재를 예방하고 리튬이온배터리의 손상을 방지하기 위한 가스감지식 ESS 소화장치에 관한 것이다.The present invention relates to a gas-sensing ESS fire extinguishing device, and more specifically, to detect the occurrence of a vent gas, which is a fire precursor phenomenon of the energy storage system (ESS), and spray a fire extinguishing agent before a fire occurs to prevent fire and prevent lithium ions. It relates to a gas-sensing ESS fire extinguishing device to prevent damage to the battery.

일반적으로 에너지 저장 시스템(Energy Storage System/ESS)이란, 일반 가정에서 사용하는 건전지나 전자제품에 사용하는 소형 배터리도 전기에너지를 다른 에너지 형태로 변환하여 저장할 수 있지만 이런 소규모 전력저장장치를 ESS라고 말하지는 않고, 일반적으로 수백 kWh 이상의 전력을 저장하는 단독 시스템을 ESS라고 한다.In general, the energy storage system (Energy Storage System/ESS) means that even small batteries used in general household batteries or electronic products can convert and store electric energy into other forms of energy, but these small power storage devices are not called ESS. In general, ESS is a single system that stores more than hundreds of kWh of power.

에너지 저장은 저장방식에 따라 크게 물리적 에너지저장과 화학적 에너지저장으로 구분할 수 있다. 대표적인 물리적 에너지저장으로는 양수발전과 압축공기저장, 플라이휠 등을 들 수 있으며, 화학적 에너지저장으로는 리튬이온배터리, 납축전지, NaS 전지 등이 있다. 배터리 형식의 ESS를 BESS(Battery Energy Storage System)라고 하며, 일반적으로 ESS라고 하면 BESS를 말한다.Energy storage can be largely divided into physical energy storage and chemical energy storage according to the storage method. Typical physical energy storage includes pumping, compressed air storage, and flywheel. Chemical energy storage includes lithium ion batteries, lead acid batteries, and NaS batteries. Battery type ESS is called BESS (Battery Energy Storage System), and in general, ESS refers to BESS.

그런데 에너지 저장 시스템으로 많이 사용되는 리튬이온배터리는 고온에 취약하다는 단점이 있어 리튬이온배터리를 집약하여 저장하는 에너지 저장 시스템은 화재 위험이 상존하는 문제점이 있다.However, the lithium ion battery, which is frequently used as an energy storage system, has a disadvantage that it is vulnerable to high temperatures, and the energy storage system that collects and stores the lithium ion battery has a problem of fire.

상술한 문제점을 해결하기 위해 안출된 본 발명의 목적은, 에너지 저장 시스템(ESS)의 화재 전조 현상인 벤트 가스 발생현상을 감지하여 화재가 발생하기 전에 소화약제를 분사하여 화재를 예방하고 리튬이온배터리의 손상을 방지하기 위한 가스감지식 ESS 소화장치를 제공하기 위함이다.The object of the present invention, devised to solve the above-mentioned problems, is to detect the occurrence of vent gas, which is a precursor to the fire of the energy storage system (ESS), and spray a fire extinguishing agent to prevent a fire and prevent a lithium ion battery. It is to provide a gas-sensing ESS fire extinguishing device to prevent the damage of.

상술한 목적을 달성하기 위한 본 발명의 가스감지식 ESS 소화장치는, 복수 개의 리튬이온배터리 랙 및 소화약제 보관부를 포함하는 에너지 저장 시스템(ESS) 소화장치에 있어서, 상기 리튬이온배터리 랙은 복수 개의 리튬이온배터리 모듈;을 포함하며, 상기 리튬이온배터리 모듈은, 복수 개의 리튬이온배터리 셀, 각 리튬이온배터리 셀의 상부에 설치되어 있고 복수 개의 타공홀이 형성되어 상기 타공홀을 통해 공기를 흡입하는 배관부, 및 상기 배관부로부터 흡입되는 공기 중 특정 가스를 감지하는 가스감지부를 포함하고, 상기 리튬이온배터리 랙은, 복수 개의 상기 리튬이온배터리 모듈, 일면에 설치된 소화약제 분사부, 및 각 리튬이온배터리 모듈의 가스감지부로부터 가스감지신호를 수신하면 상기 소화약제 보관부로부터 상기 소화약제 분사부로 소화약제를 분사하도록 하는 제어부를 포함하고,
복수 개의 리튬이온배터리 랙 및 소화약제 보관부를 포함하는 에너지 저장 시스템 소화장치에 있어서,
상기 리튬이온배터리 랙은 복수 개의 리튬이온배터리 모듈;을 포함하며,
상기 리튬이온배터리 모듈은,
복수 개의 리튬이온배터리 셀, 각 리튬이온배터리 셀의 상부에 설치되어 있고 복수 개의 타공홀이 형성되어 상기 타공홀을 통해 공기를 흡입하는 배관부, 및 상기 배관부로부터 흡입되는 공기 중 특정 가스를 감지하는 가스감지부를 포함하고,
상기 리튬이온배터리 랙은,
복수 개의 상기 리튬이온배터리 모듈, 일면에 설치된 소화약제 분사부, 및 각 리튬이온배터리 모듈의 가스감지부로부터 가스감지신호를 수신하면 상기 소화약제 보관부로부터 상기 소화약제 분사부로 소화약제를 분사하도록 하는 제어부를 포함하고,
상기 배관부의 각 타공홀은,
각 리튬이온배터리 셀의 벤트홀 상부에 형성되고,
상기 가스감지부는,
일단이 상기 배관부와 연결되어 공기를 흡입하는 팬; 및
흡입되는 공기 중 특정 가스의 유무를 감지하여, 특정 가스를 감지하면 가스감지신호를 생성하고 상기 제어부로 송신하는 가스감지센서;를 포함하고,
상기 소화약제 보관부는,
DI Water(Deionized Water)로 이루어진 소화약제,
노벡 1230, FM 200, HFC 123, 고체에어로졸 중 적어도 하나를 가스 소화약제를 포함하고,
상기 제어부는,
상기 가스감지부의 팬의 회전 속도를 증감시킬 수 있되,
평상시에는 상기 팬의 회전 속도를 제1 회전속도로 회전시키고,
상기 가스감지부로부터 가스감지신호를 수신하면, 상기 팬의 회전 속도를 제1 회전속도보다 큰 제2 회전속도로 향상시키고,
상기 배관부는,
상기 각 타공홀로부터 상기 리튬이온배터리 셀의 벤트홀의 인접한 상부까지 연장되는 분기관을 포함하고,
상기 분기관은,
상기 벤트홀에 인접한 단부가 깔대기 형상으로 형성되어, 상기 벤트홀을 감싸고,
상기 소화약제 분사부는,
각 리튬이온배터리 모듈마다 각각 설치되어 있고,
상기 소화약제 보관부는,
개폐밸브가 구비된 각 소화배관을 통해 다수 개의 각 소화약제 분사부와 각각 연결되고,
상기 제어부는,The gas-sensing ESS fire extinguishing device of the present invention for achieving the above object is an energy storage system (ESS) fire extinguishing device including a plurality of lithium ion battery racks and an extinguishing agent storage unit, wherein the lithium ion battery rack includes a plurality of Lithium-ion battery module; includes, the lithium-ion battery module, a plurality of lithium-ion battery cells, each lithium-ion battery cell is installed on the top and a plurality of perforated holes are formed to suck air through the perforated hole A piping unit, and a gas detection unit for detecting a specific gas in the air sucked from the piping unit, the lithium ion battery rack, a plurality of the lithium ion battery module, a fire extinguishing agent injection unit installed on one surface, and each lithium ion When receiving a gas detection signal from the gas detection unit of the battery module includes a control unit for injecting the extinguishing agent from the extinguishing agent storage unit to the extinguishing agent injection unit,
In the energy storage system fire extinguishing device comprising a plurality of lithium ion battery racks and fire extinguishing agent storage unit,
The lithium ion battery rack includes a plurality of lithium ion battery modules;
The lithium ion battery module,
A plurality of lithium ion battery cells, installed in the upper portion of each lithium ion battery cell, and a plurality of perforated holes are formed to detect a specific gas among the piping parts for sucking air through the perforated holes and air sucked from the pipe parts It includes a gas detection unit,
The lithium-ion battery rack,
When receiving a gas detection signal from a plurality of the lithium-ion battery module, a fire extinguishing agent injection unit installed on one surface, and a gas detection unit of each lithium-ion battery module, the fire extinguishing agent is injected from the fire extinguishing agent storage unit to the fire extinguishing agent injection unit It includes a control unit,
Each perforated hole in the piping portion,
It is formed on the vent hole of each lithium-ion battery cell,
The gas detection unit,
A fan having one end connected to the pipe part to suck air; And
It includes; a gas detection sensor that detects the presence or absence of a specific gas in the inhaled air, generates a gas detection signal when the specific gas is detected, and transmits it to the control unit;
The fire extinguishing agent storage unit,
Extinguishing agent consisting of DI Water (Deionized Water),
At least one of Novec 1230, FM 200, HFC 123, solid aerosol contains a gas extinguishing agent,
The control unit,
It is possible to increase or decrease the rotational speed of the fan of the gas detection unit,
Normally, the rotational speed of the fan is rotated at the first rotational speed,
When the gas detection signal is received from the gas detection unit, the rotation speed of the fan is improved to a second rotation speed greater than the first rotation speed,
The piping portion,
And a branch pipe extending from each perforated hole to an adjacent upper portion of the vent hole of the lithium ion battery cell,
The branch pipe,
The end adjacent to the vent hole is formed in a funnel shape to surround the vent hole,
The fire extinguishing agent injection unit,
Each lithium-ion battery module is installed separately,
The fire extinguishing agent storage unit,
Each fire extinguishing pipe provided with an opening/closing valve is respectively connected to a plurality of fire extinguishing agent injection parts,
The control unit,

평상시에는 상기 개폐밸브를 모두 닫은 상태를 유지하고, 각 리튬이온배터리 모듈의 가스감지부로부터 가스감지신호를 수신하면, 가스감지신호를 수신한 리튬이온배터리 모듈에 해당하는 개폐밸브만을 열어 해당 소화약제 분사부로 소화약제를 분사할 수 있다.Normally, all the on/off valves are kept closed, and when a gas detection signal is received from the gas detection unit of each lithium ion battery module, only the on/off valve corresponding to the lithium ion battery module receiving the gas detection signal is opened, and the corresponding extinguishing agent is applied. Fire extinguishing agent can be sprayed into the injection part.

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상기 가스감지부는, C2H4, CO 또는 H2 중 어느 하나를 감지하는 것이 바람직하다.Preferably, the gas detection unit detects any one of C 2 H 4 , CO, or H 2 .

이상 설명한 바에 따르면, 본 발명은 에너지 저장 시스템(ESS)의 화재 전조 현상인 벤트 가스 발생현상을 감지하여 화재가 발생하기 전에 소화약제를 분사하여 화재를 예방하고 리튬이온배터리의 손상을 방지하기 위한 가스감지식 ESS 소화장치를 제공할 수 있다.According to the above description, the present invention detects the vent gas generation phenomenon, which is a precursor to the fire of the energy storage system (ESS), and sprays an extinguishing agent before the fire occurs to prevent the fire and prevent the damage of the lithium ion battery. It can provide a sensing type ESS fire extinguishing device.

도 1은 본 발명의 일실시예에 따른 가스감지식 ESS 소화장치의 개요도
도 2는 본 발명의 일실시에에 따른 가스감지식 ESS 소화장치 중 리튬이온배터리 랙의 구조도
도 3은 본 발명의 일실시에에 따른 리튬이온배터리 랙 중 리튬이온배터리 모듈의 세부 구성을 나타낸 도면
도 4는 본 발명의 일실시예에 따른 리튬이온배터리 모듈 중 가스감지부(126)의 세부 구성을 나타낸 도면
도 5는 본 발명의 일실시예에 따른 리튬이온배터리 모듈 중 배관부(124)의 상세 구성을 나타낸 도면
도 6은 본 발명의 일실시예에 따른 리튬이온배터리 랙(100)의 소화배관 구성을 나타낸 도면이다.1 is a schematic diagram of a gas detection type ESS fire extinguishing device according to an embodiment of the present invention
2 is a structural diagram of a lithium-ion battery rack in a gas-sensing ESS fire extinguishing device according to an embodiment of the present invention
3 is a view showing the detailed configuration of a lithium-ion battery module in a lithium-ion battery rack according to an embodiment of the present invention
4 is a view showing the detailed configuration of the gas detection unit 126 of the lithium ion battery module according to an embodiment of the present invention
5 is a view showing the detailed configuration of the piping portion 124 of the lithium-ion battery module according to an embodiment of the present invention
6 is a view showing the configuration of the digestion pipe of the lithium ion battery rack 100 according to an embodiment of the present invention.

이하, 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일실시예에 따른 가스감지식 ESS 소화장치의 개요도이다.1 is a schematic diagram of a gas detection type ESS fire extinguishing device according to an embodiment of the present invention.

도 2는 본 발명의 일실시에에 따른 가스감지식 ESS 소화장치 중 리튬이온배터리 랙의 구조도이다.2 is a structural diagram of a lithium-ion battery rack in a gas-sensing ESS fire extinguishing device according to an embodiment of the present invention.

도 3은 본 발명의 일실시에에 따른 리튬이온배터리 랙 중 리튬이온배터리 모듈의 세부 구성을 나타낸 도면이다.3 is a view showing the detailed configuration of a lithium-ion battery module in a lithium-ion battery rack according to an embodiment of the present invention.

도 1 내지 도 3을 참조하면, 본 발명의 일실시예에 따른 가스감지식 ESS 소화장치는, 복수 개의 리튬이온배터리 랙(100) 및 소화약제 보관부(200)를 포함하는 에너지 저장 시스템(ESS) 소화장치(10)로서, 리튬이온배터리 랙(100)은 복수 개의 리튬이온배터리 모듈(120)을 포함한다.1 to 3, the gas-sensing ESS fire extinguishing device according to an embodiment of the present invention, an energy storage system (ESS) including a plurality of lithium ion battery racks 100 and the fire extinguishing agent storage unit 200 ) As a fire extinguishing device 10, the lithium ion battery rack 100 includes a plurality of lithium ion battery modules 120.

리튬이온배터리 모듈(120)은, 복수 개의 리튬이온배터리 셀(122), 배관부(124) 및 가스감지부(126)를 포함한다. The lithium ion battery module 120 includes a plurality of lithium ion battery cells 122, a piping portion 124, and a gas detection unit 126.

배관부(124)는 리튬이온배터리 셀(122)의 상부에 설치되어 있고 복수 개의 타공홀(1242)이 형성되어 타공홀을 통해 공기를 흡입한다. The piping unit 124 is installed on the upper portion of the lithium ion battery cell 122 and a plurality of perforated holes 1242 are formed to suck air through the perforated holes.

리튬이온배터리 셀의 화재시에는, 배터리 온도가 올라감에 따라 먼저 리튬이온배터리 셀에 형성되어 있는 벤트홀에서 C2H4, CO 또는 H2 등의 벤트 가스(Vent Gas)가 나오게 되고, 그 다음 배터리 스웰링(배부름) 현상이 나타나고 연기(Smoke)가 발생하며, 이후 배터리가 폭발되어 화재가 발생하게 된다.When a lithium-ion battery cell is fired, as the battery temperature rises, vent gas, such as C 2 H 4 , CO, or H 2 , first comes out of the vent hole formed in the lithium-ion battery cell, and then Battery swelling (swelling) occurs, smoke occurs, and then the battery explodes, causing a fire.

따라서, 벤트홀에서 벤트가스가 나오는 것은 화재 전조 현상이고, 벤트가스를 신속히 감지하기 위하여, 배관부(124)의 각 타공홀(1242)이 각 리튬이온배터리 셀(122)의 벤트홀(1222) 상부에 인접하여 형성되어 있는 것이 바람직하다.Therefore, it is a fire precursor phenomenon that vent gas is emitted from the vent hole, and in order to quickly detect the vent gas, each of the perforated holes 1242 of the piping 124 is vent hole 1222 of each lithium-ion battery cell 122. It is preferably formed adjacent to the upper portion.

가스감지부(126)는 배관부(124)로부터 흡입되는 공기 중 특정 가스를 감지한다. 상기 특정 가스는 C2H4, CO 또는 H2 중 어느 하나이다.The gas detection unit 126 detects a specific gas in the air sucked from the piping unit 124. The specific gas is any one of C 2 H 4 , CO or H 2 .

리튬이온배터리 랙(100)은, 위 복수 개의 리튬이온배터리 모듈(120)과, 소화약제 분사부(140) 및 제어부(160)를 포함한다.The lithium ion battery rack 100 includes a plurality of lithium ion battery modules 120 above, an extinguishing agent injection unit 140 and a control unit 160.

소화약제 분사부(140)는 리튬이온배터리 랙(100)의 일면에 설치되어 있고, 제어부(160)는 각 리튬이온배터리 모듈(120)의 가스감지부(126)로부터 가스감지신호를 수신하면 소화약제 보관부(200)로부터 소화약제 분사부(140)로 소화약제를 분사하도록 한다.The fire extinguishing agent injection unit 140 is installed on one surface of the lithium ion battery rack 100, and the control unit 160 extinguishes when a gas detection signal is received from the gas detection unit 126 of each lithium ion battery module 120. Fire extinguishing agent is injected from the drug storage unit 200 to the extinguishing agent injection unit 140.

소화약제 보관부(200)는 소화약제로서 DI Water(Deionized Water)로 이루어진 소화약제를 보관한다. 물론, 소화약제로서 노벡1230, FM200, HFC123, 고체에어로졸, CO2, 질소가스 등도 사용할 수 있다.The extinguishing agent storage unit 200 stores an extinguishing agent made of DI Water (Deionized Water) as an extinguishing agent. Of course, Novec 1230, FM200, HFC123, solid aerosol, CO2, nitrogen gas, etc. can be used as an extinguishing agent.

도 4는 본 발명의 일실시예에 따른 리튬이온배터리 모듈 중 가스감지부(126)의 세부 구성을 나타낸 도면이다.4 is a view showing the detailed configuration of the gas detection unit 126 of the lithium-ion battery module according to an embodiment of the present invention.

도 3 및 도 4를 참조하면, 가스감지부(126)는 구체적으로, 팬(1262) 및 가스감지센서(1264)를 포함한다. 3 and 4, the gas detection unit 126 specifically includes a fan 1262 and a gas detection sensor 1264.

팬(1262)은 배관부(124)와 연결되는 부분에 설치되어 공기를 흡입한다.The fan 1262 is installed at a portion connected to the pipe portion 124 to suck air.

가스감지센서(1264)는 흡입되는 공기 중 상기 특정 가스의 유무를 감지하여, 특정 가스를 감지하면 가스감지신호를 생성하고 제어부(160)로 가스감지신호를 송신한다.The gas detection sensor 1264 detects the presence or absence of the specific gas in the inhaled air, and when detecting the specific gas, generates a gas detection signal and transmits a gas detection signal to the control unit 160.

제어부(160)는, 가스감지부(126)의 팬(1262)의 회전 속도를 증감시킬 수 있되, 평상시에는 팬(1262)의 회전 속도를 제1 회전속도로 회전시키다가, 가스감지부(126)로부터 가스감지신호를 수신하면, 팬(1262)의 회전 속도를 제1 회전속도보다 큰 제2 회전속도로 향상시키는 것이 바람직하다.The control unit 160 may increase or decrease the rotational speed of the fan 1262 of the gas detection unit 126, but normally rotate the rotational speed of the fan 1262 at a first rotational speed, and then the gas detection unit 126 When receiving the gas detection signal from ), it is preferable to increase the rotational speed of the fan 1262 to a second rotational speed greater than the first rotational speed.

즉, 화재상황이 아닌 평상시에는, 최소한의 흡입력으로 팬(1262)을 회전시켜 가스감지부(126)에서 벤트가스의 발생유무를 감지하다가, 벤트가스가 발생한 경우에는 팬(1262)의 회전속도를 올려서 공기 흡입력을 높이는 것이 특징이다.That is, in a normal situation other than a fire situation, the fan 1262 is rotated with the minimum suction force to detect the presence or absence of vent gas in the gas detection unit 126, and when a vent gas is generated, the rotation speed of the fan 1262 is increased. It is characterized by raising the air suction power.

벤트가스 발생시에 팬(1262)의 회전속도를 높여 공기 흡입력을 증대시키는 이유는, 벤트가스 발생시, 즉 화재전조현상 발생시에는 소화약제 분사부(140)로부터 DI Water 소화약제가 분무방식으로 분사되는데, 이 DI Water가 각 리튬이온배터리 셀(122)의 벤트홀(1222)로 들어가는 경우 해당 배터리셀에 손상을 줄 수 있기 때문에, 벤트홀에 인접한 배관부의 타공홀(1242)로 흡입되는 흡입력을 강하게 하여 벤트홀 주변으로 분무되는 DI Water 를 타공홀(1242)로 흡입하기 위함이다.The reason for increasing the air suction power by increasing the rotational speed of the fan 1262 when a vent gas is generated is that DI water extinguishing agent is sprayed from the extinguishing agent injection unit 140 when a vent gas is generated, that is, when a fire precursor occurs. When this DI Water enters the vent hole 1222 of each lithium-ion battery cell 122, it may damage the corresponding battery cell, thereby increasing the suction power sucked into the perforated hole 1242 of the pipe portion adjacent to the vent hole. This is to inhale DI Water sprayed around the vent hole into the perforated hole 1242.

도 5는 본 발명의 일실시예에 따른 리튬이온배터리 모듈 중 배관부(124)의 상세 구성을 나타낸 도면이다.5 is a view showing the detailed configuration of the piping portion 124 of the lithium ion battery module according to an embodiment of the present invention.

도 5를 참조하면, 배관부(124)에는, 각 타공홀(1242)로부터 리튬이온배터리 셀(122)의 벤트홀(1222)의 인접한 상부까지 연장되는 분기관(1244)이 형성되어 있는 것이 바람직하다.Referring to FIG. 5, it is preferable that a branch pipe 1244 is formed in the piping part 124 to extend from each perforated hole 1242 to an adjacent upper portion of the vent hole 1222 of the lithium ion battery cell 122. Do.

또한, 분기관(1244)은, 벤트홀(1222)에 인접한 단부가 벤트홀(1222)을 감싸도록 형성되어 있는 것이 바람직하다.In addition, the branch pipe 1244 is preferably formed so that an end portion adjacent to the vent hole 1222 surrounds the vent hole 1222.

즉, 벤트홀에 인접한 분기관(1244)의 단부를 깔대기 형상으로 형성시키는 것이 바람직한데, 이러한 깔대기 형상으로 되어 있어야 벤트홀에서 발생하는 벤트 가스를 효율적으로 수집할 수 있으므로 벤트가스의 발생유무를 정확히 탐지할 수 있기 때문이며, 또한 상술한 바와 같이 벤트가스 발생시 타공홀의 흡입력을 강하게 하여 벤트홀로 DI Water가 들어가는 것을 방지할 수 있더라도, 깔대기 형상으로 마치 우산과 같이 벤트홀을 감쌀 수 있다면 벤트홀로 DI Water가 들어갈 가능성을 더욱 낮출 수 있기 때문이다.That is, it is preferable to form the end portion of the branch pipe 1244 adjacent to the vent hole in a funnel shape, so that the vent gas generated in the vent hole can be efficiently collected so that the presence or absence of the vent gas is accurately determined. It is also possible to detect, and as described above, even if it is possible to prevent the DI water from entering the vent hole by strengthening the suction power of the perforated hole when the vent gas is generated, if the funnel shape can wrap the vent hole like an umbrella, DI Water is the vent hole. This is because the likelihood of entering is further reduced.

도 6은 본 발명의 일실시예에 따른 리튬이온배터리 랙(100)의 소화배관 구성을 나타낸 도면이다.6 is a view showing the configuration of the digestion pipe of the lithium ion battery rack 100 according to an embodiment of the present invention.

도 6을 참조하면, 리튬이온배터리 랙(100)에서, 소화약제 분사부(140)는 각 리튬이온배터리 모듈(120)마다 각각 설치되어 있다.Referring to FIG. 6, in the lithium ion battery rack 100, the extinguishing agent injection unit 140 is installed for each lithium ion battery module 120, respectively.

소화약제 보관부(200)는, 개폐밸브(142)가 구비된 각 소화배관(220)을 통해 다수 개의 각 소화약제 분사부(140)와 각각 연결된다. The fire extinguishing agent storage unit 200 is connected to each of a plurality of fire extinguishing agent injection parts 140 through each extinguishing pipe 220 provided with an on-off valve 142.

제어부(160)는, 평상시에는 개폐밸브(142)를 모두 닫은 상태를 유지하고, 각 리튬이온배터리 모듈(120)의 가스감지부(126)로부터 가스감지신호를 수신하면, 가스감지신호를 수신한 리튬이온배터리 모듈(120)에 해당하는 개폐밸브(142)만을 열어 해당 소화약제 분사부(140)로 소화약제를 분사하는 것이 바람직하다.The control unit 160 normally maintains a state where all the on-off valves 142 are closed, and receives gas detection signals from the gas detection units 126 of each lithium-ion battery module 120. It is preferable to open only the on-off valve 142 corresponding to the lithium ion battery module 120 and inject the extinguishing agent into the extinguishing agent injection unit 140.

이렇게 하여야 화재 전조 현상이 감지된 리튬이온배터리 모듈에 대해서만 소화약제를 분사할 수 있어, 화재 전조 현상이 없는 리튬이온배터리 모듈들의 소화약제 분사에 따른 손상을 방지하고, 소화약제 또한 절약할 수 있기 때문이다.This is because it is possible to spray the fire extinguishing agent only to the lithium ion battery module where the fire precursor phenomenon has been detected, so it is possible to prevent the damage caused by the fire extinguishing agent injection of the lithium ion battery modules without fire precursor phenomenon, and also to save the fire extinguishing agent. to be.

본 발명은 상술한 바람직한 실시예에 한정되지 아니하며 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 용이하게 변형 실시 가능한 것은 물론이고, 이와 같은 변경은 청구항의 청구범위 기재범위 내에 있게 된다.The present invention is not limited to the above-described preferred embodiment and any person having ordinary knowledge in the art to which the present invention pertains can easily be modified without departing from the gist of the present invention as claimed in the claims. Such changes are within the scope of the claims.

10: 가스감지식 ESS 소화장치
100: 리튬이온배터리 랙
120: 리튬이온배터리 모듈 122: 리튬이온배터리 셀
1222: 벤트홀 124: 배관부
1242: 타공홀 1244: 분기관
126: 가스감지부 1262: 팬
1264: 가스감지센서 140: 소화약제 분사부
142: 개폐밸브 160: 제어부
200: 소화약제 보관부10: Gas detection type ESS fire extinguishing device
100: lithium ion battery rack
120: lithium-ion battery module 122: lithium-ion battery cell
1222: vent hole 124: piping
1242: perforated hole 1244: branch pipe
126: gas detection unit 1262: fan
1264: gas detection sensor 140: fire extinguishing agent injection part
142: open/close valve 160: control
200: fire extinguishing agent storage

Claims (9)

복수 개의 리튬이온배터리 랙(100) 및 소화약제 보관부(200)를 포함하는 에너지 저장 시스템(ESS) 소화장치에 있어서,
상기 리튬이온배터리 랙(100)은 복수 개의 리튬이온배터리 모듈(120);을 포함하며,
상기 리튬이온배터리 모듈(120)은,
복수 개의 리튬이온배터리 셀(122), 각 리튬이온배터리 셀의 상부에 설치되어 있고 복수 개의 타공홀(1242)이 형성되어 상기 타공홀(1242)을 통해 공기를 흡입하는 배관부(124), 및 상기 배관부(124)로부터 흡입되는 공기 중 특정 가스를 감지하는 가스감지부(126)를 포함하고,
상기 리튬이온배터리 랙(100)은,
복수 개의 상기 리튬이온배터리 모듈(120), 일면에 설치된 소화약제 분사부(140), 및 각 리튬이온배터리 모듈의 가스감지부(126)로부터 가스감지신호를 수신하면 상기 소화약제 보관부(140)로부터 상기 소화약제 분사부(140)로 소화약제를 분사하도록 하는 제어부(160)를 포함하고,
상기 배관부의 각 타공홀(1242)은,
각 리튬이온배터리 셀의 벤트홀(1222) 상부에 형성되고,
상기 가스감지부(126)는,
일단이 상기 배관부와 연결되어 공기를 흡입하는 팬(1262); 및
흡입되는 공기 중 특정 가스의 유무를 감지하여, 특정 가스를 감지하면 가스감지신호를 생성하고 상기 제어부(160)로 송신하는 가스감지센서;를 포함하고,
상기 소화약제 보관부(200)는,
DI Water(Deionized Water)로 이루어진 소화약제,
노벡 1230, FM 200, HFC 123, 고체에어로졸 중 적어도 하나를 가스 소화약제를 포함하고,
상기 제어부(160)는,
상기 가스감지부의 팬(1262)의 회전 속도를 증감시킬 수 있되,
평상시에는 상기 팬의 회전 속도를 제1 회전속도로 회전시키고,
상기 가스감지부(126)로부터 가스감지신호를 수신하면, 상기 팬의 회전 속도를 제1 회전속도보다 큰 제2 회전속도로 향상시키고,
상기 배관부(124)는,
상기 각 타공홀(1242)로부터 상기 리튬이온배터리 셀의 벤트홀(1222)의 인접한 상부까지 연장되는 분기관(1244)을 포함하고,
상기 분기관(1244)은,
상기 벤트홀(1222)에 인접한 단부가 깔대기 형상으로 형성되어, 상기 벤트홀(1222)을 감싸고,
상기 소화약제 분사부(140)는,
각 리튬이온배터리 모듈마다 각각 설치되어 있고,
상기 소화약제 보관부(200)는,
개폐밸브(142)가 구비된 각 소화배관을 통해 다수 개의 각 소화약제 분사부와 각각 연결되고,
상기 제어부(160)는,
평상시에는 상기 개폐밸브(142)를 모두 닫은 상태를 유지하고, 각 리튬이온배터리 모듈의 가스감지부(126)로부터 가스감지신호를 수신하면, 가스감지신호를 수신한 리튬이온배터리 모듈에 해당하는 개폐밸브(142)만을 열어 해당 소화약제 분사부(140)로 소화약제를 분사하는 것을 특징으로 하는, 가스감지식 ESS 소화장치.In the energy storage system (ESS) fire extinguishing device comprising a plurality of lithium ion battery rack 100 and the fire extinguishing agent storage unit 200,
The lithium ion battery rack 100 includes a plurality of lithium ion battery modules 120;
The lithium ion battery module 120,
A plurality of lithium ion battery cells 122, a plurality of perforated holes 1242 are formed on the upper portion of each lithium ion battery cell, and a piping portion 124 for sucking air through the perforated holes 1242, and It includes a gas detection unit 126 for detecting a specific gas in the air sucked from the pipe 124,
The lithium ion battery rack 100,
When receiving a gas detection signal from a plurality of the lithium ion battery module 120, the fire extinguishing agent injection unit 140 installed on one surface, and the gas detection unit 126 of each lithium ion battery module, the fire extinguishing agent storage unit 140 It includes a control unit 160 to inject the extinguishing agent from the extinguishing agent injection unit 140,
Each perforated hole 1242 of the piping portion,
It is formed on the vent hole 1222 of each lithium-ion battery cell,
The gas detection unit 126,
One end is connected to the pipe portion fan 1262 to suck air; And
It includes; a gas detection sensor that detects the presence or absence of a specific gas in the inhaled air, generates a gas detection signal when the specific gas is detected, and transmits it to the control unit 160;
The fire extinguishing agent storage unit 200,
Extinguishing agent consisting of DI Water (Deionized Water),
At least one of Novec 1230, FM 200, HFC 123, solid aerosol contains a gas extinguishing agent,
The control unit 160,
It is possible to increase or decrease the rotation speed of the fan 1262 of the gas detection unit,
Normally, the rotational speed of the fan is rotated at the first rotational speed,
When the gas detection signal is received from the gas detection unit 126, the rotation speed of the fan is improved to a second rotation speed greater than the first rotation speed,
The piping portion 124,
And a branch pipe 1244 extending from each perforated hole 1242 to an adjacent upper portion of the vent hole 1222 of the lithium ion battery cell,
The branch tube 1244,
An end adjacent to the vent hole 1222 is formed in a funnel shape to surround the vent hole 1222,
The fire extinguishing agent injection unit 140,
Each lithium-ion battery module is installed separately,
The fire extinguishing agent storage unit 200,
Each of the fire extinguishing agent is connected to each of a plurality of fire extinguishing agent through the opening and closing valve 142 is provided,
The control unit 160,
Normally, when all the opening/closing valves 142 are kept closed, and receiving a gas detection signal from the gas detection unit 126 of each lithium-ion battery module, opening and closing corresponding to the lithium-ion battery module receiving the gas detection signal Gas-sensing ESS fire extinguishing device, characterized in that by opening only the valve 142 and spraying the fire extinguishing agent to the corresponding fire extinguishing agent 140. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 제1항에 있어서, 상기 가스감지부(126)는,
C2H4, CO 또는 H2 중 어느 하나를 감지하는 것을 특징으로 하는, 가스감지식 ESS 소화장치.


The method of claim 1, wherein the gas detection unit 126,
Gas detection ESS fire extinguishing device, characterized in that detecting any one of C 2 H 4 , CO or H 2 .


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