CN111991728A - Energy storage prefabricated cabin for lithium battery fire and fire fighting tests - Google Patents
Energy storage prefabricated cabin for lithium battery fire and fire fighting tests Download PDFInfo
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- CN111991728A CN111991728A CN202010926859.0A CN202010926859A CN111991728A CN 111991728 A CN111991728 A CN 111991728A CN 202010926859 A CN202010926859 A CN 202010926859A CN 111991728 A CN111991728 A CN 111991728A
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- fire
- box body
- battery
- prefabricated cabin
- energy storage
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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
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000004146 energy storage Methods 0.000 title claims abstract description 33
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 5
- 238000002474 experimental method Methods 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 231100000331 toxic Toxicity 0.000 claims description 4
- 230000002588 toxic effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 22
- 238000005516 engineering process Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 229910000870 Weathering steel Inorganic materials 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
- G01J5/0018—Flames, plasma or welding
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an energy storage prefabricated cabin for lithium battery fire and fire tests, which comprises a box body, wherein a battery rack for placing a battery for testing, a smoke exhaust and heat dissipation system, a gas detection system, a fire water hole, a cable hole, an observation window and an infrared camera window are arranged in the box body. The smoke discharging and heat dissipating system comprises two fans positioned at the top of the box body and an air inlet shutter at one end of the box body, and can efficiently dissipate and discharge heat and smoke of a battery for testing in the box body; the fire-fighting drain hole is positioned on the bottom surface of the box body, and fire-fighting water supply and drainage can be carried out according to test requirements and conditions in the battery test process; the prefabricated cabin body provides a scientific and safe experimental platform for fire and fire tests of the lithium battery in the energy storage prefabricated cabin, so that the fire behavior characteristics of the lithium battery in the energy storage prefabricated cabin can be scientifically and accurately researched, and the method has great significance for improving and guaranteeing the safety performance of the battery energy storage system.
Description
Technical Field
The invention relates to the technical field of prefabricated cabins for fire and fire fighting tests, in particular to an energy storage prefabricated cabin for lithium battery fire and fire fighting tests.
Background
In recent years, the smart grid construction and the rapid development of battery energy storage technology at home and abroad have increased the demand of battery energy storage. The energy storage technology becomes one of key technologies for developing and constructing the smart power grid, and has the advantages of improving the low energy quality of the power grid, clipping peaks and filling valleys, emergency standby, increasing the utilization rate of renewable energy sources and the like. The prefabricated cabin type battery energy storage system has the advantages of mature technology, high capacity, mobility, convenience in installation and the like, and has wide application prospect in a power grid system. With the rapid development of new generation lithium battery materials and the further improvement of battery technology, lithium batteries become the most widely used batteries in battery energy storage systems. Although the lithium battery has excellent performance, thermal runaway can occur under abuse conditions of overheating, over-charge and discharge, short circuit and the like, a large amount of heat and toxic smoke are released, and further fire explosion accidents can be caused.
Due to the limitation of energy density and space, batteries on the battery rack in the energy storage prefabricated cabin are densely arranged, and no working personnel monitors the working state in the prefabricated cabin in real time. Therefore, if the batteries on the battery rack are out of control due to heat to cause fire, the released heat is transferred to the adjacent batteries to cause the propagation phenomenon of the out of control due to the heat among the batteries in the module, and if no measures are taken, the propagation of the fire among the battery racks or even among the energy storage prefabricated cabins is extremely easy to propagate, so that large-scale fire explosion accidents are caused, and great threats are caused to the safety of personnel and property.
Therefore, the research on the fire behavior characteristics of the lithium battery in the energy storage prefabricated cabin and the corresponding fire-fighting measures has great significance for improving and guaranteeing the safety performance of the battery energy storage system. At present, many researches are conducted on the thermal runaway behavior of the lithium battery, but the researches are basically conducted in an open space or a small-range closed space of a laboratory and are different from the closed space environment in the energy storage prefabricated cabin, so that the existing researches are difficult to truly reveal the fire behavior of the lithium battery in the energy storage prefabricated cabin, and a theoretical basis cannot be provided for improving the safety performance of the prefabricated cabin type battery energy storage system.
Disclosure of Invention
The invention mainly solves the technical problem of providing a prefabricated cabin for fire and fire fighting tests, which can truly and accurately simulate the fire behavior characteristics of a battery in an energy storage prefabricated cabin.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a lithium cell conflagration and fire control are experimental with prefabricated cabin of energy storage, its includes the box, and the box inner wall material sprays paint for the Q235 cold drawing, and the outside is resistant steel of waiting sprays paint. The box is internally provided with a battery rack for placing a battery for testing, a smoke exhaust and heat dissipation system, a gas detection system, a fire water hole, a cable hole, an observation window and an infrared camera window. The smoke discharging and heat dissipating system comprises two fans positioned at the top of the box body and an air inlet shutter at one end of the box body, and is used for efficiently dissipating heat and discharging smoke for the test battery in the box body; the gas detection system mainly comprises a gas sensor positioned above the battery rack, a host computer connected with the gas sensor and the like, and is used for detecting the type and content of gas in the process of testing the battery cell; the observation window and the infrared camera window are positioned on the side surface and the end surface of the box body and are used for observing and recording the combustion characteristics of the lithium battery; the fire-fighting drain holes are located at the bottom end of the box body and used for fire-fighting drainage, and the cable holes are located on two side faces of the box body and used for connecting cables inside and outside the prefabricated cabin body in the experiment process.
The box body comprises battery frames positioned on two sides in the box body, the number of the battery frames is flexibly adjusted according to the number of battery cores used in an experiment, a walkway is arranged in the middle of the box body and divides the battery frames into a left side and a right side, the internal structure of the box body is designed according to the existing energy storage prefabricated cabin, and the provided experiment conditions basically conform to the existing energy storage prefabricated cabin.
The gas detection system comprises a gas sensor arranged above the battery rack for experiments and a host arranged outside the prefabricated cabin body, wherein the gas sensor is connected with the host through a cable, and the cable is arranged through a cable hole in the side face of the prefabricated cabin body. The type and number of the gas sensors can be determined according to experimental requirements, and the gas detection system can detect the type and content of gas in the battery test process.
The smoke discharging and heat dissipating system mainly comprises two groups of fans arranged at the top of the prefabricated cabin, an air inlet shutter at the end face and the like, the fan model is EBM K2E250, the upper parts of the two groups of fans are connected with an external air channel, and smoke and heat can be effectively discharged in time in the fire and fire fighting test process of the battery.
The observation window and the infrared camera window are arranged on the side face and the end face of the box body and are 1550mm away from the ground, and the glass of the window is 5 mm-thick explosion-proof glass which can be used for safely observing and recording the combustion behavior characteristics of the lithium battery; the fire-fighting drain hole can be used for fire-fighting water supply and drainage according to requirements in the test process.
The invention has the advantages that: 1. the experimental environment and conditions provided are basically fitted with the existing battery energy storage prefabricated cabin, and the fire behavior characteristics of the lithium battery in the energy storage prefabricated cabin can be studied more accurately and scientifically. 2. The invention is provided with a smoke exhaust and heat dissipation system, can timely exhaust a large amount of heat and toxic smoke generated by battery thermal runaway in the experimental process, and provides a safety platform for researching lithium battery fire. 3. The gas detection system is arranged at the top of the battery rack, so that the types and the content of gas generated by the lithium battery in the experimental process can be accurately measured, and the fire behavior characteristics of the lithium battery in the energy storage prefabricated cabin can be more scientifically and effectively revealed from the perspective of gas analysis. 4. The invention is provided with the infrared camera window and the observation window, and adopts 5mm explosion-proof glass, so that the fire behavior characteristics of the lithium battery can be safely observed and recorded. 5. The invention is provided with special cable holes and water pipe holes, can be used for circuit connection and fire-fighting water supply and drainage in the experimental process, and has simple and convenient operation.
Drawings
FIG. 1 is a schematic structural diagram of a prefabricated cabin for lithium battery fire and fire fighting tests according to the present invention;
FIG. 2 is a schematic diagram of a cover removing structure of a prefabricated cabin for lithium battery fire and fire test according to the present invention;
FIG. 3 is a top view of a prefabricated cabin for lithium battery fire and fire test according to the present invention;
FIG. 4 is a left and right view of a prefabricated cabin for lithium battery fire and fire test according to the present invention;
FIG. 5 is a front view of a lithium battery fire and fire test box according to the present invention.
The reference numbers in the figures mean: 1 is the observation window, 2 is the infrared camera window, 3 is the cable hole, 4 is the fire control water hole, 5 is the fan, 6 is the air inlet shutter, 7 is the battery frame, 8 is the pavement, 9 is gas detection system.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 and 2, the invention discloses a prefabricated cabin for lithium battery fire and fire protection tests, which comprises a box body, wherein the wall material in the box body is a Q235 cold plate paint, the exterior of the box body is a weathering steel paint, and a battery rack 7 for placing a battery for test, a smoke discharging and heat dissipating system, a gas detecting system 9, a fire protection water hole 4, a cable hole 3, an observation window 1 and an infrared camera window 2 are arranged in the box body. The smoke discharging and heat dissipating system comprises two fans 5 positioned at the top of the box body, an air inlet shutter 6 and the like at one end of the box body, the model of each fan 5 is EBM K2E250, the size of each air inlet shutter 6 is 635mm multiplied by 870mm, and the smoke discharging and heat dissipating system can effectively discharge smoke and dissipate heat in time in the experimental process, so that the fire and fire fighting tests are guaranteed to be smoothly carried out. The gas detection system 9 comprises a gas sensor positioned above the battery rack, a host connected with the gas sensor and the like, and is used for detecting the type and content of gas in the battery testing process; the observation window and the infrared camera window are positioned on the side surface and the end surface of the box body and are used for observing and recording the combustion behavior characteristics of the lithium battery; the fire-fighting drain hole is positioned on the bottom surface of the box body and is used for fire-fighting water supply and drainage; the prefabricated cabin body provides a scientific and safe experimental platform for fire and fire tests of the lithium battery in the energy storage prefabricated cabin, and the fire behavior characteristics of the lithium battery in the energy storage prefabricated cabin can be more accurately researched.
As shown in FIG. 3, the prefabricated cabin comprises battery racks 7 arranged on two sides of the box body, and a walkway 8 arranged between two rows of battery racks, wherein the battery racks can be used for placing batteries for experiments, and a gas sensor in a gas detection system 9 is fixed on the top of each battery rack, so that the types and the content of gases of the batteries in the experiment process can be detected. The walkway 8 is arranged at the middle shaft of the prefabricated cabin body, and the width of the walkway 8 can be set according to the width of the box body. The battery rack 7 can be divided into two rows, each battery rack 7 can be divided into 10 layers, each layer can be used for placing a battery module box for an experiment, a battery for testing is placed in the battery module box, and the height of the battery rack 7 can be set according to the height of the prefabricated cabin.
As shown in fig. 4 and 5, an observation window 1 and an infrared camera window 2 are arranged on the front wall surface, the rear wall surface and the end surface of the prefabricated cabin body, the size of the observation window 1 is 400 × 300mm, the size of the infrared camera window 2 is 200 × 300mm, the central height of the observation window 1 and the infrared camera window 2 is 1550mm, and the window is provided with an explosion-proof glass with the thickness of 5mm, so that the fire behavior characteristics of the lithium battery can be safely observed and recorded. The end face of the box body is provided with the air inlet shutter 6, the fan 5 shown in the figure 1 and the air channel above the fan 5 form a smoke discharging and heat dissipating system, so that a large amount of heat and toxic smoke generated by battery thermal runaway can be discharged in time in the experiment process, and a safe experiment platform is provided. The bottom surface of the prefabricated cabin body is provided with 7 fire-fighting water holes 4, and the front wall surface and the rear wall surface of the prefabricated cabin are provided with 4 cable holes 3, so that the prefabricated cabin can be used for circuit connection and fire-fighting water supply and drainage in the experimental process, and is simple and convenient to operate.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the content of the present specification and the attached drawings, or applied to other related technical fields directly or indirectly, are included in the scope of the present invention.
Claims (5)
1. An energy storage prefabricated cabin for lithium battery fire and fire tests comprises a box body, wherein the inner wall material of the box body is Q235 cold plate spray paint, and the outer part of the box body is weathering resistant steel spray paint; the box body comprises a battery rack, a smoke exhaust and heat dissipation system, a gas detection system, a fire water hole, a cable hole, an observation window and an infrared camera window; the method is characterized in that: a gas sensor for detecting gas is arranged above the battery frame and is connected with a host outside the prefabricated cabin body through a cable; the smoke exhaust and heat dissipation system of the box body comprises two groups of fans at the top of the box body and a ventilation shutter on the end face of the box body, and can effectively exhaust smoke and dissipate heat in time in the experimental process; the observation window and the infrared camera window are arranged on the side face and the end face of the box body, and the glass of the window is explosion-proof glass, so that the combustion behavior characteristics of the lithium battery can be safely observed and recorded; the fire-fighting drain holes are located on the bottom surface of the box body, and the cable holes are located on two side surfaces of the box body and used for connecting cables inside and outside the prefabricated cabin body in the experiment process.
2. The energy storage prefabricated cabin for the lithium battery fire and fire fighting tests as claimed in claim 1, wherein: the box body comprises battery frames which are positioned on two sides in the box body, the number of the battery frames is flexibly adjusted according to the number of battery cores used in an experiment, a walkway is arranged in the middle of the box body, the battery frames are divided into the left side and the right side, a gas sensor in the gas detection system is fixed on the top of the battery frames, and the thickness of the explosion-proof glass is 5 mm.
3. The energy storage prefabricated cabin for the lithium battery fire and fire fighting tests as claimed in claim 1, wherein: the smoke discharging and heat dissipating system is mainly composed of two groups of fans at the top of the prefabricated cabin and an air inlet shutter at the end face, the upper parts of the two groups of fans are connected with an external air channel, and the smoke discharging and heat dissipating system can timely and effectively discharge toxic smoke and heat in the fire and fire test process.
4. The energy storage prefabricated cabin for the lithium battery fire and fire fighting tests as claimed in claim 1, wherein: the gas sensor of the gas detection system is arranged above the battery rack and is connected with a host outside the prefabricated cabin through a cable, so that the gas type and content of the battery in the test process can be detected.
5. The energy storage prefabricated cabin for the lithium battery fire and fire fighting tests as claimed in claim 1, wherein: the observation window and the infrared camera window are arranged on the side surface and the end surface of the box body, and the combustion behavior characteristics of the lithium battery can be observed and recorded; the fire-fighting water hole can be used for fire-fighting water supply and drainage according to test requirements and needs in the battery test process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010926859.0A CN111991728A (en) | 2020-09-07 | 2020-09-07 | Energy storage prefabricated cabin for lithium battery fire and fire fighting tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010926859.0A CN111991728A (en) | 2020-09-07 | 2020-09-07 | Energy storage prefabricated cabin for lithium battery fire and fire fighting tests |
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| Publication Number | Publication Date |
|---|---|
| CN111991728A true CN111991728A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010926859.0A Pending CN111991728A (en) | 2020-09-07 | 2020-09-07 | Energy storage prefabricated cabin for lithium battery fire and fire fighting tests |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI789063B (en) * | 2021-10-20 | 2023-01-01 | 利佳興業股份有限公司 | Energy storage cabinet with fire extinguishing system and energy storage unit storage and fire extinguishing method |
| CN115954578A (en) * | 2023-03-11 | 2023-04-11 | 江苏欧力特能源科技有限公司 | Prefabricated cabin of sodium ion battery energy storage |
-
2020
- 2020-09-07 CN CN202010926859.0A patent/CN111991728A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI789063B (en) * | 2021-10-20 | 2023-01-01 | 利佳興業股份有限公司 | Energy storage cabinet with fire extinguishing system and energy storage unit storage and fire extinguishing method |
| CN115954578A (en) * | 2023-03-11 | 2023-04-11 | 江苏欧力特能源科技有限公司 | Prefabricated cabin of sodium ion battery energy storage |
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