CN212631507U - 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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- CN212631507U CN212631507U CN202021925455.1U CN202021925455U CN212631507U CN 212631507 U CN212631507 U CN 212631507U CN 202021925455 U CN202021925455 U CN 202021925455U CN 212631507 U CN212631507 U CN 212631507U
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Abstract
The utility model discloses a lithium cell conflagration and fire control are prefabricated cabin of energy storage for experiment, it includes the box, set up in the box and be used for placing the test battery the battery rack, discharge fume, cooling system, gas detection system, fire control water hole, cable hole and observation window and 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 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 utility model relates to a conflagration and fire control test are with the technical field of prefabricated cabin, concretely relates to lithium cell conflagration and fire control test are with prefabricated cabin of energy storage.
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.
SUMMERY OF THE UTILITY MODEL
The technical problem of the utility model lies in that, a can truly simulate the fire hazard behavior characteristic's of battery in the prefabricated under-deck of energy storage conflagration and fire control test with prefabricated under-deck is provided.
The utility model provides a technical scheme that its technical problem adopted is: 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 utility model 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 utility model discloses set up and discharged fume, cooling system, can in time discharge a large amount of heats and the poisonous flue gas of battery thermal runaway heat production in the experimentation, provide a safe platform of research lithium cell conflagration. 3. The utility model discloses set up gas detection system at the top of battery rack, can accurately measure the lithium cell and produce gaseous kind and content in the experimentation, can reveal the conflagration behavioral characteristics of lithium cell in the prefabricated under-deck of energy storage from gas analysis's angle more scientifically effectively. 4. The utility model discloses infrared camera window and observation window have been set up to adopted the explosion-proof glass of 5mm, can observe safely and take notes the conflagration behavioral characteristics of lithium cell. 5. The utility model discloses set up special cable hole and water pipe hole, can be used to the circuit connection and the fire control plumbing in the experimentation, easy operation is convenient.
Drawings
Fig. 1 is a schematic structural view of a prefabricated cabin for lithium battery fire and fire test of the present invention;
FIG. 2 is a schematic view 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 the prefabricated cabin for testing lithium battery fire and fire fighting;
FIG. 4 is a left and right view of the prefabricated cabin for lithium battery fire and fire test of the present invention;
fig. 5 is a front view of the utility model discloses a case is used in lithium cell conflagration and fire control test.
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 fig. 2, the utility model discloses a lithium cell conflagration and test of fire control are with prefabricated cabin, it includes the box, and the box inner wall material sprays paint for the Q235 cold drawing, and the outside is resistant time steel and sprays paint, set up in the box and be used for placing the test battery rack 7 of using the battery, discharge fume, cooling system, gas detection system 9, fire control water hole 4, cable hole 3 and observation window 1 and infrared camera window 2. The smoke discharging and heat dissipating system mainly 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 smooth implementation of fire and fire fighting tests is guaranteed. The gas detection system 9 mainly 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.
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 water hole is 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 fire-fighting requirements in the battery test process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925455.1U CN212631507U (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 |
|---|---|---|---|
| CN202021925455.1U CN212631507U (en) | 2020-09-07 | 2020-09-07 | Energy storage prefabricated cabin for lithium battery fire and fire fighting tests |
Publications (1)
| Publication Number | Publication Date |
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| CN212631507U true CN212631507U (en) | 2021-03-02 |
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| CN202021925455.1U Active CN212631507U (en) | 2020-09-07 | 2020-09-07 | Energy storage prefabricated cabin for lithium battery fire and fire fighting tests |
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| CN (1) | CN212631507U (en) |
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2020
- 2020-09-07 CN CN202021925455.1U patent/CN212631507U/en active Active
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