Prefabricated cabin type electrochemical energy storage environment simulation test device

Abstract

The invention relates to a prefabricated cabin type electrochemical energy storage environment simulation test device which comprises a multifunctional environment simulation test device buried underground, the multifunctional environment simulation test device comprises a box body and an environment simulation assembly arranged on the box body, and the top of the box body is opened and closed through a box door; the bridge crane is used for hoisting the prefabricated cabin type electrochemical energy storage cabin to enter and exit from the top opening of the box body; the fire-fighting assembly is used for extinguishing fire in the box body; the underground structure is adopted, the hoisting requirement of the large prefabricated cabin type electrochemical energy storage cabin can be met, fire can be extinguished timely and effectively when the energy storage battery pack is on fire accidentally in the test process, and the test safety is ensured. The multifunctional environment simulation test device is arranged underground, and the box body door is opened upwards, so that the prefabricated cabin type electrochemical energy storage cabin is convenient to hoist and carry, the carrying problem of the prefabricated cabin type electrochemical energy storage cabin is solved, and the requirement of the large prefabricated cabin type electrochemical energy storage cabin for environment simulation test is met.

Description

Technical Field

[0001] The invention relates to the technical field of energy storage batteries, and in particular to a prefabricated cabin type electrochemical energy storage environment simulation test device. Background Art

[0002] In recent years, new energy power generation has developed rapidly, installed capacity has continued to increase, and the proportion of conventional thermal and hydropower has gradually decreased. The function of thermal power will gradually shift from power supply to frequency regulation, peak regulation and other power auxiliary services. Energy storage, as an effective technology to improve the instantaneous absorption capacity of new energy in the power grid, can maximize the value of both with the optimized configuration of thermal power. Electrochemical energy storage technology has the advantages of fast response speed, independent regulation of active and reactive power, wide site selection range, short construction period, and easy expansion, and has become the preferred form of energy storage.

[0003] With the advancement of electrochemical energy storage technology, large-scale centralized electrochemical energy storage power stations are booming, prefabricated cabin electrochemical energy storage power stations are widely used, and the demand for overall testing of prefabricated cabin electrochemical energy storage systems is also increasing. During the test, with the simulated environment of high temperature, sunshine, salt spray corrosion, etc., the chemical reaction speed inside the electrochemical energy storage battery is accelerated, the temperature of the battery pack rises, the electrolyte evaporates and expands, and flammable gases are released, causing the battery to have an internal short circuit failure, which in turn causes the battery pack to have a thermal runaway fire. If the smoke is not detected in time and the fire is not extinguished in time, as the flammable gas accumulates in the test chamber, it may cause an explosion, affecting the safety of the test.

[0004] For example, the "environmental simulation test equipment" disclosed in patent publication number CN113281246A includes a test box and a water tank. The test box is equipped with a water spray pipe, a spray pipe and a lighting lamp. The water spray pipe is equipped with a rainfall nozzle, and the spray pipe is equipped with a fog nozzle. The water spray pipe and the spray pipe are connected to the water tank. The bottom of the test box is equipped with a water return port, which is connected to the water tank. The simulated rainy, foggy and sunny environment can provide a stable test environment to facilitate the study of the impact of meteorological conditions on the working performance of sensor components.

[0005] For example, the "multifunctional environmental simulation test device" disclosed in patent announcement number CN216747313U includes an environmental simulation room, which is located between the central control layer and the temperature control layer; the central control layer includes a fresh water storage tank, a salt solution storage tank, an acid solution storage tank, an alkaline solution storage tank and a water mist simulation device; the environmental simulation room is provided with a clamp, a wind speed regulator, an air pressure regulator, a vacuum pump, a waste gas and waste liquid treatment room, a temperature sensor and a pressure sensor; the central control layer, the clamp, the wind speed regulator, the air pressure regulator, the vacuum pump, the waste gas and waste liquid treatment room, the temperature sensor and the pressure sensor are all connected to the main unit, and the main unit is respectively connected to an external display and a power supply; the temperature control layer controls the temperature of the air sent into the simulation room to control the temperature of the simulated environment.

[0006] The existing multifunctional environmental simulation test device generally adopts an above-ground test box placed on the ground. There is a possibility of accidental explosion during the energy storage battery test, and the impact force generated by the explosion will cause danger to the surrounding area. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a prefabricated cabin-type electrochemical energy storage environment simulation test device to solve the above problems.

[0008] The present invention provides the following technical solutions:

[0009] A prefabricated cabin type electrochemical energy storage environment simulation test device, comprising:

[0010] A multifunctional environmental simulation test device buried underground, the multifunctional environmental simulation test device comprising a box body and an environmental simulation component arranged on the box body, the top of the box body is open and opened and closed by a box door;

[0011] A bridge crane, the bridge crane is used to hoist the prefabricated cabin-type electrochemical energy storage cabin in and out of the top opening of the box body;

[0012] A fire-fighting component is used to extinguish a fire in a box.

[0013] Preferably, the prefabricated cabin-type electrochemical energy storage cabin is hoisted on a bridge crane by a hoisting rope.

[0014] Preferably, the outer wall of the box body is provided with a layer of reinforced concrete outer wall.

[0015] Preferably, the environmental simulation component includes a xenon lamp tube, a nozzle and a heater, the xenon lamp tube is installed on the inner side of the box door, the nozzle and the heater are installed on the inner wall of the box, and the nozzle is connected to the liquid storage tank through a pressure pipe.

[0016] Preferably, the environmental simulation component further comprises a compression condensing unit arranged on the ground, and a cold air output end of the compression condensing unit extends to the interior of the box through a refrigeration pipe.

[0017] Preferably, the liquid storage tank is arranged on the ground.

[0018] Preferably, the fire-fighting assembly includes a combustible gas detector and a fire-fighting water tank, the combustible gas detector is mounted on the inner wall of the tank, and the water outlet of the fire-fighting water tank extends into the tank through a fire-fighting water pipe.

[0019] Preferably, it also includes a wastewater treatment device buried underground, and the water inlet end of the wastewater treatment device is connected to the inside of the box through a wastewater pipe.

[0020] Preferably, the fire-fighting assembly further comprises a sand storage tank disposed on the ground, the interior of the box door is hollow, the output end of the sand storage tank is connected to the inner cavity of the box door through a hose, the bottom wall of the box door adopts a grid, and the outer layer of the grid is provided with flammable cloth for sealing.

[0021] Preferably, it also includes a control cabinet, which is electrically connected to the environmental simulation component, the bridge crane and the fire-fighting component and is used to control the environmental simulation component, the bridge crane and the fire-fighting component.

[0022] The present invention has the following beneficial technical effects:

[0023] The present invention adopts an underground structure, which can not only meet the lifting requirements of large prefabricated electrochemical energy storage cabins, but also can promptly and effectively extinguish accidental fires during the energy storage battery group test, thereby ensuring the safety of the test.

[0024] The multifunctional environmental simulation test device is arranged underground, and the box door opens upward, which is convenient for lifting and transporting the prefabricated electrochemical energy storage cabin, solving the transportation problem of the prefabricated electrochemical energy storage cabin and meeting the needs of environmental simulation tests on large prefabricated electrochemical energy storage cabins.

[0025] The box is preset underground. When the prefabricated electrochemical energy storage cabin explodes, the box, the reinforced concrete walls outside the box, and the surrounding soil can effectively resist the impact of the accidental explosion during the energy storage battery test, ensuring the safety of the test.

[0026] In some situations where water is not allowed to be used for fire extinguishing, the sand inside the door can be used for landfilling. The soil layer can isolate the air and reduce the risk of fire spreading. And reduce the spread of smoke: using sand for landfilling can reduce the spread of smoke and avoid the harm of toxic gases to the surrounding environment and personnel. This is especially important for energy storage systems in indoor or enclosed spaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure before hoisting of the present invention;

[0028] Figure 2 It is a schematic diagram of the structure of the present invention during hoisting;

[0029] Figure 3 It is a schematic diagram of the structure after hoisting of the present invention;

[0030] Figure 4 It is a schematic diagram of the coordination structure of the sand storage tank and the box door of the present invention;

[0031] Figure 5 It is a sectional view of a door of the present invention.

[0032] The reference numerals in the figure are:

[0033] 1. Prefabricated cabin-type electrochemical energy storage cabin; 2. Multifunctional environmental simulation test device; 3. Bridge crane; 4. Box body; 5. Box door; 6. Control cabinet; 7. Compression condensing unit; 8. Reinforced concrete exterior wall; 9. Liquid storage tank; 10. Fire water tank; 11. Wastewater treatment device; 12. Lifting rope; 13. Xenon lamp tube; 14. Nozzle; 15. Pressure pipe; 16. Heater; 17. Combustible gas detector; 18. Control valve; 19. Fire water pipe; 20. Wastewater pipe;

[0034] 51. Sand storage tank; 52. Hose; 53. Grid; 54. Flammable cloth. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1:

[0037] A prefabricated cabin type electrochemical energy storage environment simulation test device, such as Figure 1-3 As shown:

[0038] The prefabricated electrochemical energy storage cabin 1 places the energy storage battery cluster, battery bracket, ventilation and air conditioning, etc. in a container-type cabin. The size of a single prefabricated electrochemical energy storage cabin 1 is about 6.1m (length) x 2.5m (width) x 2.9m (height), and weighs about 35 tons. Due to the large size and heavy weight of the energy storage cabin, a gantry crane or bridge crane 3 is usually used for transportation.

[0039] The multifunctional environmental simulation test device 2 is buried underground, wherein the door 5 of the box body 4 is located at the top and is roughly flush with the ground. The prefabricated cabin-type electrochemical energy storage cabin 1 is lifted by a bridge crane 3 and placed into the box body 4. Various environmental devices simulating sunlight, rain, salt spray, high and low temperatures are arranged in the multifunctional environmental simulation test device 2. In addition, a combustible gas detector 17 is arranged in the box body 4, and a fire water tank 10 is arranged on the ground, which is connected to the inner cavity of the box body 4 of the test device by a fire water pipe 19. When the prefabricated cabin-type electrochemical energy storage cabin 1 accidentally catches fire, the fire water enters the test device box body 4 from the fire water tank 10 and floods the prefabricated cabin-type electrochemical energy storage cabin 1, thereby isolating the air from the fire and extinguishing the fire, and continuously suppressing the flame.

[0040] (1) Experimental preparation stage, such as Figure 1As shown: the box body 4 is made of stainless steel, filled with heat-insulating materials, and the outer side of the box body 4 is a reinforced concrete outer wall 8. The box door 5 is opened upwards, and the prefabricated cabin-type electrochemical energy storage cabin 1 is lifted by the bridge crane 3 above the test device. The bridge crane 3 slowly moves to the top of the multifunctional environmental simulation device 2 and slowly descends. When the prefabricated cabin-type electrochemical energy storage cabin 1 reaches the bottom of the multifunctional environmental simulation test device 2 (the bottom wall of the box body 4), the lifting rope 12 is untied and the box door 5 is closed.

[0041] (2) Experimental stage, such as Figure 2 As shown: the inner wall of the box door 5 is provided with a xenon lamp tube 13, which can simulate full-spectrum light sources such as visible light, ultraviolet light and infrared light, and can be used for sunlight simulation tests; the inner wall of the box body 4 is provided with a nozzle 14, which can transport the prepared water or salt solution in the liquid storage tank 9 to the nozzle 14 through a pressure pipe 15, and the nozzle 14 evenly sprays on the multifunctional environmental simulation device 2, which can be used to simulate the rain or salt spray test of the electrochemical energy storage system; the inner wall of the box body 4 is installed with a heater 16, which can make the heat diffuse evenly from the side walls to the middle, and can be used to simulate high temperature tests; a compression condensing unit 7 is configured on the ground, and cold air is injected into the box body 4 through a refrigeration pipe, which can be used to simulate low temperature tests. The above test parameter settings, control systems and data acquisition are all completed by the control cabinet 6, and several environmental simulation tests can be carried out separately or simultaneously according to the test requirements.

[0042] like Figure 3 As shown, when the multifunctional environmental simulation device 2 experiences thermal runaway during the test phase, generating smoke or even fire, as the combustible gas concentration reaches the set danger threshold, the combustible gas detector 17 on the inner wall of the box body 4 sends a signal, and the control cabinet 6 controls the control valve 18 on the fire water pipe 19. Subsequently, the control valve 18 opens, and the fire water in the fire water tank 10 is injected into the box body 4 along the fire water pipe 19 and floods the prefabricated cabin-type electrochemical energy storage cabin 1, isolating the air to extinguish the fire and continuously suppress the flame.

[0043] At the end of the test, the test wastewater (including salt spray water and post-accident firefighting wastewater) enters the wastewater treatment device 11 through the wastewater pipe 20, the box door 5 is opened, the prefabricated cabin-type energy storage system 1 is lifted by the bridge crane 3, the box door 5 is closed, and the test is completed.

[0044] Embodiment 2:

[0045] Contains all the contents of Example 1, except that, Figure 4-5 As shown:

[0046] A sand storage tank 51 is arranged on the ground. The sand storage tank 51 contains sand. The downward output end of the sand storage tank 51 is communicated with the inner cavity of the box door 5 through a hose 52 .

[0047] The interior of the box door 5 is hollow and is used to store a small amount of sand. The bottom wall of the box door 5 close to the inner cavity of the box body 4 adopts a grid frame 53. The bottom wall of the box door 5 is provided with a layer of flammable cloth 54, which covers the grid frame 53 to prevent the sand from flowing out.

[0048] During the test phase, the multifunctional environmental simulation device 2 experiences thermal runaway and generates open flames, which burn the flammable cloth 54. The sand and soil inside the box door 5 can pass through the grid 53 and cover the prefabricated cabin-type electrochemical energy storage cabin 1; the sand and soil inside the sand storage tank 51 is continuously transported to the inner cavity of the box body 4 through the hose 52 and the box door 5 by gravity.

[0049] The above-mentioned embodiments only express the specific implementation of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A prefabricated cabin type electrochemical energy storage environment simulation test device, characterized in that: include: A multifunctional environmental simulation test device (2) buried underground, the multifunctional environmental simulation test device (2) comprising a box (4) and an environmental simulation component arranged on the box (4), the top of the box (4) being open and opened and closed by a box door (5); A bridge crane (3), the bridge crane (3) being used for hoisting the prefabricated cabin-type electrochemical energy storage cabin (1) into and out of the top opening of the box body (4); A fire-fighting component, wherein the fire-fighting component is used to extinguish a fire in the box (4).

2. A prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 1, characterized in that: The prefabricated cabin-type electrochemical energy storage cabin (1) is hoisted on a bridge crane (3) via a hoisting rope (12).

3. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 1 is characterized in that: The outer wall of the box body (4) is provided with a layer of reinforced concrete outer wall (8).

4. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 1 is characterized in that: The environmental simulation component comprises a xenon lamp tube (13), a nozzle (14) and a heater (16); the xenon lamp tube (13) is installed on the inner side of the box door (5); the nozzle (14) and the heater (16) are installed on the inner wall of the box body (4); and the nozzle (14) is connected to the liquid storage tank (9) via a pressure pipe (15).

5. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 4 is characterized in that: The environmental simulation component also includes a compression condensing unit (7) arranged on the ground, and a cold air output end of the compression condensing unit (7) extends to the interior of the box (4) through a refrigeration pipeline.

6. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 4 is characterized in that: The liquid storage tank (9) is arranged on the ground.

7. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 1 is characterized in that: The firefighting assembly comprises a combustible gas detector (17) and a fire water tank (10); the combustible gas detector (17) is installed on the inner wall of the box body (4); and the water outlet of the fire water tank (10) extends into the box body (4) through a fire water pipe (19).

8. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 7 is characterized in that: It also includes a wastewater treatment device (11) buried underground, wherein the water inlet end of the wastewater treatment device (11) is connected to the interior of the box body (4) via a wastewater pipe (20).

9. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 7, characterized in that: The firefighting assembly further comprises a sand storage tank (51) arranged on the ground, the interior of the box door (5) is hollow, the output end of the sand storage tank (51) is communicated with the inner cavity of the box door (5) through a hose (52), the bottom wall of the box door (5) adopts a grid frame (53), and the outer layer of the grid frame (53) is provided with a flammable cloth (54) for sealing.

10. The prefabricated cabin type electrochemical energy storage environment simulation test device according to claim 9, characterized in that: It also comprises a control cabinet (6), wherein the control cabinet (6) is electrically connected to the environmental simulation component, the bridge crane (3) and the fire-fighting component, and is used to control the environmental simulation component, the bridge crane (3) and the fire-fighting component.

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