Energy storage prefabricated cabin

Abstract

The utility model discloses an energy storage prefabricated cabin which comprises an energy storage container, the interior of the energy storage container is divided into a plurality of compartments through partition plates, a water fire extinguishing system is fixedly arranged on the energy storage container, a gas fire extinguishing system is arranged in the energy storage container, and air inlets are formed in door plates of the compartments. A pressure relief opening, an exhaust outlet and an explosion venting plate are arranged at the top of the compartment, a medicament supplementing pipeline is arranged at the input end of the gas fire-fighting system, an air conditioner is arranged on a door plate of the compartment, and a one-way non-return drain valve is arranged on one side of the air conditioner and located on the door plate of the compartment; the energy storage container is divided into a plurality of compartments through the partition plates, each compartment is independently provided with a water fire-fighting nozzle and a gas fire-fighting nozzle, when a fire disaster occurs, only the compartment where the fire disaster occurs needs to be subjected to fire extinguishing treatment, other compartments are not affected, and the loss of equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage system technical field, concretely is a kind of energy storage prefabricated cabin. BACKGROUND

[0002] With the scale promotion of domestic energy storage industry, various manufacturers have successively launched high-volume energy density systems, and the pursuit of volume energy density ratio may bring some safety hazards by compressing fire protection and battery isolation space.

[0003] The energy storage system commonly used in the current industry usually adopts a whole battery prefabricated cabin matched with a set of temperature and humidity sensor, smoke detector and combustible gas detector, ventilation device, perfluorohexanone gas fire fighting and water fire fighting.

[0004] In the energy storage system commonly used in the current industry, although gas fire fighting scheme is configured for the system, the temperature can reach 800 DEG C when lithium battery is in thermal runaway, even if gas fire fighting system can respond in time, but the rekindling rate is very high, finally needs to be extinguished by water fire fighting or let it burn out completely, resulting in the scrapping of the whole system, and the cost of each thermal runaway of energy storage system is very large. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of energy storage prefabricated cabin to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of energy storage prefabricated cabin, including energy storage container, the energy storage container is separated into several compartments by partition, water fire fighting system is fixedly arranged on the energy storage container, gas fire fighting system is arranged in the energy storage container, air inlet is arranged on the door panel of the compartment, the top of the compartment is equipped with pressure relief port, air outlet and explosion vent, the input end of the gas fire fighting system is equipped with medicament supplement pipeline, air conditioner is arranged on the door panel of the compartment on the side of the air conditioner, one-way check valve is arranged on the door panel of the compartment.

[0007] Preferably, the water fire fighting system is composed of multiple groups of water fire fighting pipelines, each group of water fire fighting pipeline includes water fire fighting connector, the water fire fighting connector is fixedly connected with water fire fighting primary pipeline at one end, the water fire fighting primary pipeline is fixedly connected with water fire fighting secondary pipeline at the end away from the water fire fighting connector, the water fire fighting secondary pipeline is fixedly connected with water fire fighting tertiary pipeline, and the water fire fighting tertiary pipeline is fixedly connected with water spray head at one end.

[0008] Preferably, the gas fire fighting system includes gas fire fighting agent cabinet, the gas fire fighting agent cabinet is connected with gas fire fighting main pipeline through pipeline, the gas fire fighting main pipeline is divided into multiple groups of gas fire fighting PACK level pipelines, and a plurality of gas fire fighting spray heads are fixedly connected on each gas fire fighting PACK level pipeline.

[0009] Preferably, the pressure relief port and the exhaust port of the top of the energy storage prefabricated cabin are provided with rain covers, flanges are arranged on the two sides of the rain covers, the rain covers are protruded at the top, the edges of the rain covers are located below the exhaust fan, and the rain covers and the exhaust fan are arranged in staggered and horizontal intersecting modes.

[0010] Preferably, the lower surface of the top plate of the energy storage prefabricated cabin is provided with a smoke detector, a compound detector and a temperature detector.

[0011] Preferably, a plurality of cluster detectors are arranged on the pipeline of the gas fire extinguishing system, a cluster level shunt valve is arranged on the gas fire extinguishing main pipeline, and a cabin level shunt valve and a cabin level spray head are arranged on the gas fire extinguishing PACK level pipeline.

[0012] Preferably, a plurality of battery clusters are arranged in the cabin, and the output end of the air conditioner faces the battery clusters.

[0013] Compared with the prior art, the energy storage container is divided into a plurality of cabins by the partition plate, each cabin is independently provided with water fire extinguishing and gas fire extinguishing spray heads, when a fire occurs, only the cabin where the fire occurs needs to be handled, and other cabins are not affected, thereby reducing the loss of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an overall structure schematic diagram of the utility model without an air conditioner;

[0015] Figure 2 It is an internal structure schematic diagram of the utility model;

[0016] Figure 3 It is an air conditioner position structure schematic diagram of the utility model;

[0017] Figure 4 It is a water fire extinguishing system structure schematic diagram of the utility model;

[0018] Figure 5 It is a gas fire extinguishing system structure schematic diagram of the utility model;

[0019] Figure 6 It is a single group of water fire extinguishing pipeline structure schematic diagram of the utility model.

[0020] In the figure: 1, energy storage container; 2, partition; 3, cabin; 4, water fire extinguishing system; 41, water fire extinguishing joint; 42, water fire extinguishing primary pipeline; 43, water fire extinguishing secondary pipeline; 44, water fire extinguishing tertiary pipeline; 45, water spray head; 5, gas fire extinguishing system; 51, gas fire extinguishing agent cabinet; 52, gas fire extinguishing main pipeline; 53, gas fire extinguishing PACK level pipeline; 54, gas fire extinguishing spray head; 6, air inlet; 7, pressure relief port; 8, air outlet; 9, explosion venting plate; 10, agent replenishment pipeline; 11, air conditioner; 12, one-way check valve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Referring to 1-6, the utility model provides an embodiment: a kind of energy storage prefabricated cabin, including energy storage container 1, energy storage container 1 is separated into several compartments 3 by bulkhead 2, and the prefabricated hole on cabin bulkhead 2 is wired and pipeline between each compartment 3, and after threading, waterproof fireproof material is blocked, water fire fighting system 4 is fixed on energy storage container 1, gas fire fighting system 5 is equipped in energy storage container 1, air inlet 6 is equipped on the door panel of compartment 3, the top of compartment 3 is equipped with pressure release port 7, air outlet 8 and explosion vent 9, at the initial stage of battery thermal runaway, combustible gas is blown out from air outlet 8 by fan, to prevent combustible gas concentration accumulation, pressure release port 7 is used to release the pressure in battery cabin due to gas fire fighting agent spraying, when the pressure in compartment 3 due to battery release combustible gas exceeds 10kpa cabin pressure, explosion vent 9 breaking point opens, and pressure is released to the top air, to prevent compartment 3 deflagration explosion from affecting the battery in adjacent compartment 3, the input end of gas fire fighting system 5 is equipped with agent replenishment pipeline 10, agent replenishment pipeline 10 is part of gas fire fighting system 5, agent replenishment pipeline 10 is connected with gas fire fighting agent cabinet 51, and one agent replenishment tank can be arranged outside energy storage container 1, in the early stage of thermal runaway, gas fire fighting agent is used to cool battery, to avoid good battery scrap due to water fire fighting spraying as far as possible, and loss due to thermal runaway is reduced to a minimum, optionally, agent replenishment tank can be connected with multiple energy storage prefabricated cabins, air conditioner 11 is equipped on the door panel of compartment 3, to carry out thermal management to battery by air conditioner 11, battery thermal management mode can be liquid cooling, liquid cooling system needs to replace liquid cooling PACK and corresponding liquid cooling unit and liquid cooling pipeline, on one side of air conditioner 11, unidirectional check drain valve 12 is arranged on the door panel of compartment 3, in the later stage of thermal runaway, when water spray is used to extinguish fire in certain compartment 3, due to the airtightness of compartment 3, fire fighting water will continuously accumulate in compartment 3, and finally submerge the entire battery compartment 3, therefore, unidirectional check drain valve 12 is arranged, in closed state normally, to prevent external water vapor from entering cabin and causing corrosion to equipment, when water level rises to the top layer pack, unidirectional check drain valve 12 is opened by water pressure, and drains water to outside cabin, to prevent water level from submerging top detector, line, and to prevent cabin pressure from increasing sharply due to continuous filling of fire fighting water, to cause cabin structure to be damaged and affect adjacent compartments.

[0023] The water fire-fighting system 4 is composed of multiple groups of water fire-fighting pipelines, and a single group of water fire-fighting pipelines comprises a water fire-fighting connector 41, one end of the water fire-fighting connector 41 is fixedly connected with a water fire-fighting primary pipeline 42, one end of the water fire-fighting primary pipeline 42 away from the water fire-fighting connector 41 is fixedly connected with a water fire-fighting secondary pipeline 43, the water fire-fighting primary pipeline 42 is divided into two water fire-fighting secondary pipelines 43, the water fire-fighting secondary pipeline 43 is fixedly connected with a water fire-fighting tertiary pipeline 44, the water fire-fighting secondary pipeline 43 is divided into two water fire-fighting tertiary pipelines 44, one end of the water fire-fighting tertiary pipeline 44 is fixedly connected with a water spray head 45, and the pipeline arrangement and the spray head arrangement of the water fire-fighting system are adjusted according to the space and layout of the compartment 3 and can meet the fire-fighting requirements.

[0024] The gas fire-fighting system 5 comprises a gas fire-fighting agent cabinet 51 for storing gas fire-fighting agents, the gas fire-fighting agent cabinet 51 is connected with a gas fire-fighting main pipeline 52 through a pipeline, the gas fire-fighting main pipeline 52 is divided into multiple groups of gas fire-fighting PACK primary pipelines 53, a plurality of gas fire-fighting spray heads 54 are fixedly connected to each gas fire-fighting PACK primary pipeline 53, each gas fire-fighting spray head 54 is connected with a fire-fighting agent interface reserved on the PACK, and is used for spraying the fire-fighting agents into the PACK to achieve precise fire extinguishing and cooling.

[0025] The pressure relief port 7 and the exhaust port 8 at the top of the compartment 3 are provided with rain covers, flanges are arranged on the two sides of the rain covers, the rain covers are protruded at the top, and the rain covers are located below the fan of the exhaust port 8 and are arranged in a staggered and horizontally intersected mode, the assembled rain covers form an exhaust channel with the top of the energy storage container 1, the gases in the compartment are discharged, and the rain-proof ventilation structure of the pressure relief port 7 at the top is similar to that of the exhaust port.

[0026] The lower surface of the top plate of the compartment 3 is provided with a smoke detector, a composite detector and a temperature detector, which are used for detecting the temperature, smoke and combustible gas state in the compartment and reporting to a fire control system; a plurality of cluster detectors are arranged on the pipeline of the gas fire-fighting system 5, which are used for timely detecting and positioning PACKs with thermal runaway; a cluster level shunt valve is arranged on the gas fire-fighting main pipeline 52, which is used for realizing directional spraying of the agents; a compartment level shunt valve and a compartment level spray head are arranged on the gas fire-fighting main pipeline 52 and the gas fire-fighting PACK primary pipeline 53, which are used for realizing directional spraying of the agents in the entire compartment; a plurality of battery clusters are arranged in the compartment 3, and the output end of the air conditioner 11 faces the battery clusters, so that precise positioning and timely cooling can be realized through the PACK level detection and the fire-fighting pipeline, and the risk of spread and diffusion of thermal runaway can be greatly reduced.

[0027] Working principle: when encountering fire, the temperature detector and smoke detector inside the cabin 3 can find the fire in time, transmit the information to the fire control system, stop through the control system, start the fan of the exhaust port 8, and exhaust the smoke and combustible gas. When the heat runaway further spreads, the gas fire extinguishing system 5 will be started to carry out gas fire extinguishing on the single cabin 3 on fire, so as to reduce the heat runaway loss to the minimum. In the later stage of heat runaway, the water fire extinguishing system 4 is needed to use water spray to extinguish the fire of the cabin 3. When there is too much water in the cabin 3, the water inside can be discharged through the one-way check valve 12 to prevent the water level from submerging the top detector and line, and prevent the cabin pressure from increasing sharply due to the continuous inflow of fire water, which may damage the cabin structure and affect the adjacent cabin.

Claims

1. An energy storage pre-fabricated cabin comprising an energy storage container (1), characterized in that: The energy storage container (1) is divided into several compartments (3) by the partition (2), the energy storage container (1) is fixedly provided with a water fire extinguishing system (4), the energy storage container (1) is provided with a gas fire extinguishing system (5), the door panel of the compartment (3) is provided with an air inlet (6), the top of the compartment (3) is provided with a pressure relief port (7), an air outlet (8) and a blast panel (9), the input end of the gas fire extinguishing system (5) is provided with a medicament supplement pipeline (10), the door panel of the compartment (3) is provided with an air conditioner (11), and the one-way check valve (12) is arranged on the door panel of the compartment (3) on the side of the air conditioner (11).

2. An energy storage pre-fabricated pod according to claim 1, characterized in that: The water fire extinguishing system (4) is composed of multiple groups of water fire extinguishing pipelines, each group of water fire extinguishing pipelines comprises a water fire extinguishing connector (41), one end of the water fire extinguishing connector (41) is fixedly connected with a water fire extinguishing primary pipeline (42), the water fire extinguishing primary pipeline (42) is fixedly connected with a water fire extinguishing secondary pipeline (43) at an end away from the water fire extinguishing connector (41), the water fire extinguishing secondary pipeline (43) is fixedly connected with a water fire extinguishing tertiary pipeline (44), and one end of the water fire extinguishing tertiary pipeline (44) is fixedly connected with a water spray head (45).

3. The energy storage pre-fabricated pod of claim 1, wherein: The gas fire extinguishing system (5) comprises a gas fire extinguishing agent cabinet (51), the gas fire extinguishing agent cabinet (51) is connected with a gas fire extinguishing main pipeline (52) through a pipeline, the gas fire extinguishing main pipeline (52) is divided into multiple groups of gas fire extinguishing PACK level pipelines (53), and each gas fire extinguishing PACK level pipeline (53) is fixedly connected with a plurality of gas fire extinguishing spray heads (54).

4. The energy storage pre-fabricated pod of claim 1, wherein: The pressure relief port (7) and the air outlet (8) at the top of the compartment (3) are provided with rain covers, flanges are arranged on the two sides of the rain covers, the rain covers are convex at the top, and the rain covers are arranged in a staggered and horizontal intersecting mode with the fan below the air outlet (8).

5. The energy storage pre-fabricated pod of claim 1, wherein: The lower surface of the top plate of the compartment (3) is provided with a smoke detector, a compound detector and a temperature detector.

6. The energy storage pre-fabricated pod of claim 3, wherein: The pipeline of the gas fire extinguishing system (5) is provided with a plurality of cluster level detectors, the gas fire extinguishing main pipeline (52) is provided with a cluster level shunt valve, and the gas fire extinguishing main pipeline (52) and the gas fire extinguishing PACK level pipeline (53) are provided with a cabin level shunt valve and a cabin level spray head.

7. The energy storage pre-fabricated pod of claim 1, wherein: The compartment (3) is provided with a plurality of battery clusters, and the output end of the air conditioner (11) faces the battery clusters.

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