CN219759718U

CN219759718U - Energy storage station

Info

Publication number: CN219759718U
Application number: CN202320500744.4U
Authority: CN
Inventors: 和祥运; 高旭; 娄豫皖; 万生辉; 王卡; 陈海廷; 苏占彬
Original assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Current assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-09-26
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses an energy storage station. The energy storage station comprises an underground structure, and a battery system and a water cooling system of the energy storage station are arranged in the underground structure; the water cooling system comprises a water cooling plate and a water tank which are communicated, the water cooling plate is in heat conduction connection with the battery system, and cooling water in the water cooling system can absorb heat generated by the battery system when flowing through the water cooling plate and release the heat to soil when flowing through the water tank. Through setting up the battery system of energy storage station in the underground structure, with the underground structure setting in the comparatively stable underground of temperature, can maintain comparatively stable temperature in the inside of underground structure, satisfy battery system's work needs, avoided setting up more energy consumption that air conditioning system maintains the temperature required after the air conditioning system, simultaneously, through water cooling system, use the soil to absorb battery system during operation heat that produces as the cold source, can further ensure battery system and be in stable and suitable operating temperature, with lower energy consumption realization to battery system operating temperature's control.

Description

Energy storage station

Technical Field

The utility model relates to the technical field of energy storage, in particular to an energy storage station.

Background

An energy storage station is a facility that converts electricity into other forms of energy for conversion back to electricity when needed. The energy storage station is typically used to balance supply and demand differences over different periods of time, such as providing additional power during peaks and storing excess power during valleys. Common types of energy storage stations include water pump energy storage, compressed air energy storage, fuel cells, and lithium ion chemical energy storage technologies.

The chinese patent application No. 202220638712.6 discloses a station-building type energy storage power station inter-cell arrangement structure with an air conditioning system, which comprises a cell stack and an air conditioning system for adjusting the temperature of the cell stack. However, in some areas with large day-night temperature differences and large winter-summer temperature differences, the air conditioning system can consume a large amount of energy consumption while adjusting the temperature of the battery stack.

Therefore, there is a need for an energy storage station that solves the above-mentioned technical problems.

Disclosure of Invention

The utility model aims to provide an energy storage station which can regulate the temperature of a battery system in the energy storage station with low energy consumption so that the battery system can work stably and safely.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

the energy storage station comprises an underground structure, and a battery system and a water cooling system of the energy storage station are arranged in the underground structure; the water cooling system comprises a water cooling plate and a water tank which are communicated, wherein the water cooling plate is in heat conduction connection with the battery system, and cooling water in the water cooling system can absorb heat generated by the battery system when flowing through the water cooling plate and release heat to soil when flowing through the water tank.

Optionally, the energy storage station is provided with a fire-fighting drainage system, the fire-fighting drainage system comprises a fire-fighting water tank, the fire-fighting water tank is buried in the soil, and at least part of the water tank is soaked in the fire-fighting water tank.

Optionally, the underground structure is disposed in the soil at a depth of 3m-8 m.

Optionally, the underground structure comprises an underground passage and at least two battery chambers, and the battery systems are distributed in the battery chambers; the battery chambers are respectively communicated with the underground passage, and fire-resistant doors are arranged at the communicating positions.

Optionally, the battery system in each battery chamber is thermally connected with the water cooling plate, and each water cooling plate is provided with a water cooling branch pipe in a communicating manner, the water cooling branch pipes are provided with a water cooling main pipe in a communicating manner, and the water cooling main pipe is communicated with the water tank.

Optionally, the water-cooling branch pipe is provided with a switch valve.

Optionally, the fire-fighting drainage system further comprises a fire-fighting water pipe, the fire-fighting water pipe extends into each of the battery chambers, and a drainage system is arranged in the underground structure, the fire-fighting drainage system comprises a drainage tank arranged in each of the battery chambers and a drainage pipe arranged in the underground passage, the drainage tank is communicated with the drainage pipe, and the drainage pipe is communicated with the fire-fighting water tank.

Optionally, the energy storage station further comprises a ventilation and smoke exhaust system, the ventilation and smoke exhaust system is used for extracting harmful gas in the underground structure, the ventilation and smoke exhaust system comprises a smoke diffusing pipe, an air outlet of the smoke diffusing pipe is higher than the ground by 10m, and the harmful gas is discharged out of the energy storage station through the smoke diffusing pipe.

Optionally, the ventilation and smoke exhaust system further comprises an air supply device, wherein the air supply device is arranged on the ground and is used for supplying fresh air into the underground structure.

The energy storage station has the beneficial effects that: through setting up the battery system of energy storage station in the underground structure, with the underground structure setting in the comparatively stable underground of temperature, can maintain comparatively stable temperature in the inside of underground structure, satisfy battery system's work needs, avoided setting up more energy consumption that air conditioning system maintains the temperature required after the air conditioning system, simultaneously, through water cooling system, use the soil to absorb battery system during operation heat that produces as the cold source, can further ensure battery system and be in stable and suitable operating temperature, with lower energy consumption realization to battery system operating temperature's control.

Drawings

FIG. 1 is a schematic perspective view of an energy storage station of the present utility model;

FIG. 2 is a schematic top view of the energy storage station of the present utility model;

FIG. 3 is a schematic side view of the energy storage station of the present utility model;

FIG. 4 is a schematic diagram of the internal equipment of the underground structure of the energy storage station of the present utility model;

FIG. 5 is a top view of the foundation of the energy storage station;

FIG. 6 is a side view of the foundation of the energy storage station;

fig. 7 is a perspective view of the foundation of the energy storage station;

FIG. 8 is a schematic view of the construction of the fire water tank and water tank;

FIG. 9 is a schematic view of a first portion of the fire-fighting drainage system of the energy storage station;

FIG. 10 is a schematic view of a second portion of the fire drainage system of the energy storage station;

FIG. 11 is a schematic view of a first portion of the water cooling system of the energy storage station;

FIG. 12 is a schematic view of a second portion of the water cooling system of the energy storage station;

fig. 13 is a schematic view of a first part of the ventilation and smoke evacuation system of the energy storage station;

fig. 14 is a schematic view of a second part of the ventilation and smoke evacuation system of the energy storage station.

In the figure:

1001. an air supply fan chamber; 1002. an exhaust fan chamber for exhausting and discharging smoke; 1003. a central control room; 1004. rest room; 1005. between ground ladders;

2001. an underground passageway; 2002. a battery chamber; 2003. a fire door; 2004. a fire pump chamber; 2005. underground ladder wells; 20051. a step; 20052. a goods elevator;

1. soil; 2. a foundation; 21. a battery system foundation; 22. a fire pump equipment foundation; 23. a drain pipe channel; 24. a drainage channel; 25. a limit groove;

41. a cell stack;

51. a water tank; 52. backwater branch pipes; 53. a water inlet branch pipe; 54. a backwater main pipe; 55. a water inlet main pipe; 56. submersible pump; 56. a switch valve;

61. a fire-fighting water tank; 62. a fire pump; 63. a fire water supply main; 64. fire-fighting water supply branch pipes; 65. a fire sprinkler head; 66. a fire sensor; 67. a fire-fighting water drain pipe; 68. a drainage main pipe; 69. drainage branch pipes;

71. an air supply device; 72. a main air supply pipe; 721. a main pipe air supply port; 73. air supply branch pipes; 731. a branched air supply port; 74. an exhaust device; 75. a main pipe for exhausting and discharging smoke; 751. a main pipe air suction port; 76. exhausting and exhausting smoke and separating pipes; 761. a branched air suction port; 77. an exhaust air vent pipe; 78. a smoke exhausting device; 79. a flue gas diffusing pipe.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The energy storage station provided by the present utility model is described below with reference to fig. 1 to 14.

Referring to fig. 1 to 3, the energy storage station includes an underground structure and an overground structure, which are communicated with each other, and a person ladder 20051 and a goods ladder 20052 are provided to facilitate the ingress and egress of persons and the transportation of goods, in a position distinction.

The energy storage station is provided with a battery system, a water cooling system, a ventilation and smoke exhaust system and a fire-fighting drainage system according to function distinction. Wherein the battery system is used for storing electric energy; the water cooling system is used for reducing the temperature of the battery system when the battery system inputs and outputs current; the ventilation and smoke exhaust system is used for replacing air in the underground structure before personnel enter the underground structure and exhausting high-temperature toxic smoke during fire; the fire-fighting drainage system is used for spraying water to control fire when fire breaks out.

Specifically, referring to fig. 4, in the present embodiment, the battery system is disposed within an underground structure. Because the temperature of underground certain depth is comparatively stable for the temperature in the underground structure can stabilize in certain within range, through the degree of depth of rationally setting up the underground structure, just can make battery system be in suitable and stable ambient temperature.

Preferably, since the soil 1 is classified into a temperature varying layer (several tens meters from the surface to the ground), a constant temperature layer (several tens meters to more than one hundred meters from the ground) and a temperature increasing layer (less than one hundred meters from the ground) according to the temperature change. In the temperature-changing layer, the earth surface to the underground 0.4m can generate obvious daily temperature change, the underground 0.4m to the underground 3m can generate obvious annual temperature change, the daily temperature change is not obvious enough, and the actual temperature below the underground 3m is approximately equal to the local annual average temperature, so that the underground structure is arranged at the position with the depth of 3m-8m in the soil 1, the temperature of the underground structure tends to the local annual average temperature, the underground structure is more stable, the larger earth volume is avoided, the construction period can be saved, and meanwhile, the underground structure can be prevented from being positioned in the frozen soil layer with too low temperature (the depth range of the frozen soil layer is generally between 0m and 2 m).

Further, referring to fig. 5, 8, 11, and 12, in some embodiments, the water cooling system includes a water cooling plate (not shown) and a water tank 51, which are disposed in communication, the water cooling plate is in heat-conducting connection with the battery system, the water tank 51 is buried in the soil 1, the cooling water in the water cooling system can absorb heat generated by the battery system when flowing through the water cooling plate, and release heat directly to the soil 1 when flowing through the water tank 51, so that the temperature of the cooling water is reduced, and the cooling water can continue to absorb heat generated by the battery system when flowing again to the water cooling plate.

Alternatively, as shown in fig. 6 to 10, in the present embodiment, the fire-fighting drainage system includes a fire-fighting water tank 61, the fire-fighting water tank 61 is buried in the soil 1, at least part of the water tank 51 is immersed in the fire-fighting water tank 61, when cooling water flows into the water tank 51 after absorbing heat, the water in the fire-fighting water tank 61 absorbs the heat of the cooling water, and releases the heat further into the soil 1 around the fire-fighting water tank 61, and the temperature of the cooling water can also be reduced, so that the cooling water can continue to absorb the heat generated by the battery system when flowing to the water-cooling plate again. Meanwhile, as the specific heat capacity of water is larger than that of the soil 1, the water cooling system can operate for a longer time with higher refrigerating power, the high-power long-time current input or output of the battery system is facilitated, the contact area of the fire-fighting water tank 61 and the soil 1 is far larger than that of the water tank 51 and the soil 1, the heat diffusion efficiency is higher, and the heat generated during the operation of the battery system is transferred.

It should be understood that the present utility model is not particularly limited to directly releasing heat from the water tank 51 to the soil 1 or indirectly releasing heat from the water tank 51 to the soil 1 through the fire-fighting water tank 61, and both are within the scope of the present utility model. Preferably, the water tank 51 is made of a metal material, such as stainless steel, etc., so that heat transfer power can be further increased.

Through setting up the battery system of energy storage station in the underground structure, with the underground structure setting in the comparatively stable underground of temperature, can maintain comparatively stable temperature in the inside of underground structure, satisfy battery system's work needs, avoided setting up more energy consumption that air conditioning system maintains the temperature required after the air conditioning system, simultaneously, through water cooling system, use soil 1 as the heat that the during operation of cold source absorption battery system produced, can further ensure that battery system is in stable and suitable operating temperature, realize the control to battery system operating temperature with lower energy consumption.

Specifically, as shown in fig. 1 to 3, in the present embodiment, the underground structure includes an underground passage 2001 and at least two battery chambers 2002, the battery systems are arranged in the battery chambers 2002 in a dispersed manner, and the battery chambers 2002 are respectively communicated with the underground passage 2001, so that not only can the flow and transportation of personnel be facilitated, but also the fire in a single battery chamber 2002 is not easy to spread into other battery chambers 2002 when the fire occurs. Preferably, as shown in fig. 4, a fire-blocking door 2003 is arranged at the communication position between the battery chamber 2002 and the underground passage 2001, so that the speed of fire spreading can be further slowed down, and time is strived for controlling and extinguishing the fire.

With continued reference to fig. 4, the battery system includes stacks 41, each of the battery chambers 2002 is provided with a stack 41, each stack 41 is fitted with the water cooling plate described above, the water cooling plates are all provided with water cooling branch pipes in communication, and the water cooling branch pipes are provided with water cooling main pipes in communication, so that the stacks 41 distributed in each of the battery chambers 2002 can control the temperature through the water cooling system.

More specifically, as shown in fig. 11 and 12, in the present embodiment, the water-cooling branch pipe includes a return water branch pipe 52 and a water inlet branch pipe 53, and the water-cooling main pipe includes a return water main pipe 54 and a water inlet main pipe 55. The water cooling plate is provided with water inlet port and return water interface, and the return water interface intercommunication return water is in charge of the one end of pipe 52, and the other end of return water is in charge of 54 to return water, and the play water end of return water is in charge of 54 communicates to water tank 51, and water inlet port communicates to the one end of intake in charge of 53, and the other end of intake in charge of 53 communicates to intake and is responsible for 55, and the intake of intake in charge of 55 stretches into in the water tank 51, is linked together with immersible pump 56 in the water tank 51 to provide the circulation power of cooling water by immersible pump 56.

Preferably, as shown in fig. 11, each water inlet branch pipe 53 is provided with a switch valve 56, and whether water cooling is performed or not can be controlled according to the heat generating condition of the cell stack 41 in each cell chamber 2002, so that the cell stack 41 in the heat generating state is preferably rapidly cooled when part of the cell stacks 41 are operated.

Referring to fig. 9 and 10, the fire-fighting drainage system further comprises a fire-fighting water pipe, a fire-fighting pump 62, a fire-fighting spray header 65 and a fire sensor 66, wherein the fire-fighting water pipe comprises a fire-fighting water supply main pipe 63 and a fire-fighting water supply branch pipe 64, the fire-fighting spray header 65 and the fire sensor 66 are arranged in each battery chamber 2002, the fire-fighting spray header 65 is communicated with the fire-fighting water supply branch pipe 64, the fire-fighting water supply branch pipe 64 is communicated with the fire-fighting water supply main pipe 63, and the fire-fighting water supply main pipe 63 is communicated with the fire-fighting pump 62. After the fire sensor 66 senses the fire, the fire pump 62 pumps the water in the fire water tank 61 into the fire water pipe and sprays the fire water through the fire spray header 65, so as to control the fire.

Alternatively, for a fire pump 62 having a greater power, a fire pump chamber 2004 may be provided in the subterranean structure, the fire pump chamber 2004 communicating with the subterranean passage 2001. As shown in fig. 1 and 9, a battery chamber 2002 and a fire pump chamber 2004 are provided on both sides of an underground passage 2001, a fire pump tank 61 is provided at one end of the underground passage 2001, an underground shaft 2005 is provided at the other end, the underground shaft 2005 communicates with an above-ground space 1005 in an above-ground structure, and the above-mentioned person ladder 20051 and cargo ladder 20052 are provided inside. The fire-fighting water supply main pipe 63 is communicated with the water outlet of the fire-fighting pump 62, the water inlet of the fire-fighting pump 62 is communicated with one end of the fire-fighting water drain pipe 67, and the other end of the fire-fighting water drain pipe 67 extends into the fire-fighting water pool 61, so that the fire-fighting pump 62 can take water in the fire-fighting water pool 61.

Preferably, as shown in fig. 7 and 10, the fire-fighting drainage system comprises a drainage groove 24 arranged in each battery chamber 2002 and a drainage pipe arranged in the underground passage 2001, wherein the drainage pipe comprises a drainage main pipe 68 and a drainage branch pipe 69, the drainage groove 24 is communicated with the drainage branch pipe 69, the drainage branch pipe 69 is communicated with the drainage main pipe 68, the drainage main pipe 68 is embedded in the underground passage 2001 through a drainage pipe groove 23 and led to the fire-fighting water pool 61 along the underground passage 2001, so that at least part of water can be recycled when a fire occurs, and the control time of the fire is prolonged.

Referring to fig. 1, 13 and 14, the ventilation and smoke exhaust system comprises an air supply device 71 and an air exhaust device 74, the ground structure comprises an air supply fan chamber 1001 and an air exhaust and smoke exhaust fan chamber 1002, the air supply is arranged in the air supply fan chamber 1001, and the air exhaust device 74 is arranged in the air exhaust and smoke exhaust fan chamber 1002, so that personnel can conveniently overhaul on the ground. Optionally, in this embodiment, the above ground structure further comprises a central control room 1003 and a rest room 1004.

Specifically, as shown in fig. 13 and 14, the air supply device 71 is connected to the main air supply pipe 72, the main air supply pipe 72 has a main air supply port 721, and is connected to a plurality of branch air supply pipes 73, and branch air supply ports 731 are provided at the ends of the branch air supply pipes 73, so that when a person needs to enter the underground structure, the air supply device 71 can supply fresh air into the underground structure through the main air supply port 721 and the branch air supply ports 731, thereby meeting the breathing needs of the person. Preferably, the air supply device 71 further has a temperature control function, which can heat or cool the fresh air first, and then send the fresh air with a proper temperature (for example, the temperature is the same as that in the underground structure) into the underground structure, so as to avoid damaging the stable temperature environment of the underground structure when sending the fresh air.

Referring to fig. 14, the exhaust equipment 74 is connected to an exhaust main pipe 75, the exhaust main pipe 75 has a main pipe suction port 751, and is connected to a plurality of exhaust branch pipes 76, a branch pipe suction port 761 is provided at the end of the exhaust branch pipe 76, and the exhaust equipment 74 can suck out harmful gas in the underground structure through the first and second exhaust ports and discharge the harmful gas to the ground through an exhaust vent pipe 77 connected to the exhaust equipment 74.

Preferably, the ventilation and smoke exhaust system further comprises smoke exhaust equipment 78, the smoke exhaust equipment 78 is arranged in the air exhaust and smoke exhaust fan chamber 1002, an air inlet of the smoke exhaust equipment is communicated with the air exhaust and smoke exhaust main pipe 75, a smoke exhaust pipe 79 is arranged at an air outlet of the smoke exhaust and smoke exhaust main pipe 79, and an air outlet of the smoke exhaust pipe 79 is higher than the ground by 10 m. When a fire occurs, the exhaust device 74 stops and the toxic smoke is extracted through the exhaust device 78, so that the toxic smoke can be discharged to the high altitude more quickly, and the toxic smoke is prevented from being deposited in an underground structure or on the ground, so that personnel are exposed to the toxic smoke.

Optionally, when the foundation 2 is constructed, the fire water tank 61, the drain tank 24 and the drain pipe 23 are constructed together. Preferably, the foundation 2 further includes a battery system foundation 21 and a fire pump equipment foundation 22, and the battery system foundation 21 and the fire pump equipment foundation 22 are used for raising the battery stack 41 and the fire pump 62, respectively, so that the battery stack 41 and the fire pump 62 can be kept away from moisture, and the drainage effect of the drainage tank 24 can be improved. Optionally, the underground structure comprises a foundation 2 and a prefabricated structural member, wherein the foundation 2 is provided with a limit groove 25, and the prefabricated structural member is inserted and installed in the limit groove 25.

In the description of the present specification, reference to the term "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. The energy storage station is characterized by comprising an underground structure, wherein a battery system and a water cooling system of the energy storage station are arranged in the underground structure; the water cooling system comprises a water cooling plate and a water tank (51) which are arranged in a communicating manner, the water cooling plate is in heat conduction connection with the battery system, and cooling water in the water cooling system can absorb heat generated by the battery system when flowing through the water cooling plate and release the heat to soil (1) when flowing through the water tank (51).

2. The energy storage station of claim 1, wherein the energy storage station comprises a plurality of energy storage stations,

the energy storage station is provided with a fire-fighting drainage system, the fire-fighting drainage system comprises a fire-fighting water tank (61), the fire-fighting water tank (61) is buried in the soil (1), and at least part of the water tank (51) is soaked and placed in the fire-fighting water tank (61).

3. The energy storage station of claim 1, wherein the energy storage station comprises a plurality of energy storage stations,

the underground structure is arranged at a position with the depth of 3m-8m in the soil (1).

4. The energy storage station of claim 2, wherein,

the underground structure comprises an underground passageway (2001) and at least two battery chambers (2002), the battery systems being arranged in a dispersed manner in the battery chambers (2002); the battery chambers (2002) are respectively communicated with the underground passages (2001), and fire-resistant doors (2003) are arranged at the communicated positions.

5. The energy storage station of claim 4, wherein the battery system in each battery compartment (2002) is thermally conductively connected with the water cooling plates, and each water cooling plate is provided with a water cooling branch pipe in communication, and a water cooling main pipe in communication with the water tank (51).

6. Energy storage station according to claim 5, characterized in that the water-cooled branch pipe is provided with an on-off valve (56).

7. The energy storage station of claim 4, wherein the fire-fighting drainage system further comprises a fire-fighting water pipe extending into each of the battery compartments (2002), and wherein a drainage system is provided in the underground structure, the fire-fighting drainage system comprising a drainage channel (24) provided in each of the battery compartments (2002) and a drainage pipe provided in the underground passage (2001), the drainage channel (24) being in communication with the drainage pipe, the drainage pipe being in communication with the fire-fighting water pool (61).

8. The energy storage station of claim 1, wherein the energy storage station comprises a plurality of energy storage stations,

the energy storage station also comprises a ventilation and smoke exhaust system, the ventilation and smoke exhaust system is used for extracting harmful gas in the underground structure, the ventilation and smoke exhaust system comprises a smoke diffusing pipe (79), an air outlet of the smoke diffusing pipe (79) is higher than the ground by 10m, and the harmful gas is discharged out of the energy storage station through the smoke diffusing pipe (79).

9. The energy storage station of claim 8, wherein the energy storage station comprises a plurality of energy storage stations,

the ventilation and smoke exhaust system further comprises an air supply device (71), wherein the air supply device (71) is arranged on the ground, and the air supply device (71) is used for supplying fresh air into the underground structure.