CN220368504U - Energy storage power station - Google Patents

Abstract

The utility model relates to the technical field of energy storage, and discloses an energy storage power station which comprises an energy storage area, an auxiliary area and a fire protection system, wherein the energy storage area is provided with a plurality of energy storage units, each energy storage unit comprises a plurality of battery bins which are sequentially arranged, the auxiliary area is provided with a control assembly and a fire protection pond, the fire protection system comprises a detection assembly and N fire protection pipelines which are arranged in parallel, and the detection assembly, the control assembly and the N fire protection pipelines are in signal connection. And one end of N fire control pipelines all is connected with the fire water pond, and the other end of N fire control pipelines all divide into fire control inner tube and fire control outer tube, and a fire control outer tube corresponds to set up outside a battery compartment, and a fire control inner tube corresponds to set up in a battery compartment. When the battery bins are in fire, the fire-fighting pipeline can spray water to the inner and outer parts of the corresponding battery bins, so that the fire-fighting efficiency can be effectively improved, the fire is prevented from spreading among the battery bins, and the reliability of the fire-fighting system is ensured.

Description

Energy storage power station

Technical Field

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

Background

The operation cycle of the large-scale lithium battery energy storage power station is 10-20 years, the lithium ion battery energy storage power station generally adopts a plurality of container type battery cabins to be densely arranged on the ground, the common specification is 20-ruler and 40-ruler containers, wherein the electric quantity of the energy storage battery contained in the 40-ruler container reaches 5-8MWh, the economic cost of the battery cabin of the whole energy storage container is very high, once a large fire disaster occurs, the whole container is easy to catch fire, the energy storage battery in the whole container can be scrapped, the economic loss is heavy, and the fire situation can spread to other energy storage containers along with the wind situation in severe cases. But the fire control facilities of present energy storage power station only set up inside the battery compartment, can't put out the outside flame of energy storage battery compartment, and fire control system's control element all sets up inside the energy storage container, and at the conflagration climbs time delay, its inside fire control facilities also has the risk of inefficacy.

Accordingly, there is a need for an energy storage power station that addresses the above-described issues.

Disclosure of Invention

The utility model aims to provide an energy storage power station, which has high fire extinguishing efficiency and high reliability of a fire extinguishing system.

The technical scheme adopted by the utility model is as follows:

an energy storage power station comprising:

the energy storage area is provided with a plurality of energy storage units, and each energy storage unit comprises N battery bins which are sequentially arranged;

the auxiliary area is provided with a control assembly and a fire water pond;

the fire extinguishing system comprises a detection assembly and N fire extinguishing pipelines which are arranged in parallel, wherein the detection assembly, the control assembly and the N fire extinguishing pipelines are connected in a signal mode, the detection assembly is used for detecting whether a fire disaster occurs in a battery bin, one end of each fire extinguishing pipeline is connected with a fire extinguishing pond, the other end of each fire extinguishing pipeline is equally divided into a fire extinguishing inner pipe and a fire extinguishing outer pipe, one fire extinguishing outer pipe is correspondingly arranged outside one battery bin, and one fire extinguishing inner pipe is correspondingly arranged in one battery bin.

Optionally, each energy storage unit further includes an electrical bin and a plurality of firewalls, the firewalls are used for separating two adjacent battery bins, and two adjacent battery bins and the electrical bin, and fireproof spaces are respectively arranged between the firewalls and the battery bins and between the firewalls and the electrical bins.

Optionally, the fire-fighting inner pipe is provided with a plurality of inner branch pipes, a battery cluster is arranged in the battery bin, and the water outlet ends of the inner branch pipes are all positioned above the battery cluster.

Optionally, the fire-fighting outer tube is provided with a plurality of outer branch pipes, and the water outlet ends of the outer branch pipes are all positioned above the battery bin.

Optionally, the outer branch pipe is provided with two groups, and two groups of outer branch pipes are respectively arranged at two sides of the battery compartment in the arrangement direction of the vertical plurality of battery compartments.

Optionally, the fire control pipelines corresponding to the N battery bins are all provided with control valves, and the control valves are in signal connection with the control assembly.

Optionally, the energy storage power station still includes a plurality of conflagration audible and visual alarm, and is a plurality of conflagration audible and visual alarm all with control assembly signal connection, the auxiliary area is provided with conflagration audible and visual alarm, every the battery compartment is outer all to be provided with conflagration audible and visual alarm.

The beneficial effects of the utility model are as follows:

the energy storage power station comprises an energy storage area, an auxiliary area and a fire-fighting system, wherein the energy storage area is provided with a plurality of energy storage units, each energy storage unit comprises a plurality of battery bins which are sequentially arranged, the auxiliary area is provided with a control assembly and a fire-fighting water tank, the fire-fighting system comprises a detection assembly and N fire-fighting pipelines which are arranged in parallel, the detection assembly, the control assembly and the N fire-fighting pipelines are connected in a signal mode, the detection assembly is used for detecting whether the battery bins are fire or not, when the detection assembly detects that the battery bins are fire, fire signals can be transmitted to the control assembly, and the control assembly can control the fire-fighting pipelines to extract water in the fire-fighting water tank so as to extinguish the fire of the battery bins. One end of each of the N fire-fighting pipelines is connected with a fire-fighting water pond, the other end of each of the N fire-fighting pipelines is divided into a fire-fighting inner pipe and a fire-fighting outer pipe, and one fire-fighting outer pipe is correspondingly arranged outside one battery compartment and one fire-fighting inner pipe is correspondingly arranged in one battery compartment. When a fire disaster occurs in a certain battery compartment or a plurality of battery compartments, the fire-fighting outer tube can spray water to the outside of the corresponding battery compartment, the fire-fighting inner tube can spray water to the inside of the corresponding battery compartment, and fire-fighting pipelines are arranged outside and inside the battery compartment, so that the fire extinguishing efficiency can be effectively improved, and the fire disaster is prevented from spreading among the battery compartments, so that the reliability of the fire-fighting system is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an energy storage power station according to a first view angle provided by an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of a second view of an energy storage power station according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a first view angle of an energy storage unit according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a second view angle of the energy storage unit according to the embodiment of the present utility model;

fig. 5 is a schematic structural view of a battery compartment according to an embodiment of the present utility model;

FIG. 6 is an assembly view of a fire inner tube and a battery compartment provided by an embodiment of the present utility model;

FIG. 7 is a layout of a fire protection system provided by an embodiment of the present utility model;

fig. 8 is a control diagram of a fire protection system provided by an embodiment of the present utility model.

In the figure:

1. an energy storage area; 11. an energy storage unit; 111. an electrical bin; 112. a battery compartment; 1121. a case; 11211. a door; 11212. a fire port; 1122. a battery cluster; 11221. a battery pack; 113. a firewall; 12. the energy storage, variable flow and transformation integrated machine;

2. an auxiliary area; 201. a central control room; 202. a fire-fighting room; 203. a fire-fighting water tank; 21. a control assembly; 22. a fire sound-light alarm; 23. a filter; 24. a high pressure pump; 25. a communication pipeline;

3. a fire protection system; 31. a detection assembly; 32. a fire fighting pipeline; 321. a fire-fighting outer tube; 3211. an outer branch pipe; 322. a fire-fighting inner tube; 3221. an inner branch pipe; 323. a control valve; 324. fire control shower nozzle.

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. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 8, the present embodiment provides an energy storage power station, which comprises an energy storage area 1, an auxiliary area 2 and a fire protection system 3, wherein the energy storage area 1 is provided with a plurality of energy storage units 11, each energy storage unit 11 comprises a plurality of battery bins 112 which are sequentially arranged, the auxiliary area 2 is provided with a control assembly 21 and a fire protection pool 203, the fire protection system 3 comprises a detection assembly 31 and N fire protection pipelines 32 which are arranged in parallel, and the detection assembly 31, the control assembly 21 and the N fire protection pipelines 32 are all in signal connection. The detecting component 31 is used for detecting whether the battery compartment 112 is in fire or not, and when the detecting component 31 detects that the battery compartment 112 is in fire, a fire signal can be transmitted to the control component 21, and the control component 21 can control the fire-fighting pipeline 32 to pump water in the fire-fighting water tank 203 so as to perform fire-extinguishing treatment on the battery compartment 112. Specifically, one end of each of the N fire-fighting pipelines 32 is connected to the fire-fighting water tank 203, the other end of each of the N fire-fighting pipelines 32 is divided into a fire-fighting inner pipe 322 and a fire-fighting outer pipe 321, and one fire-fighting outer pipe 321 is correspondingly disposed outside one of the battery bins 112, and one fire-fighting inner pipe 322 is correspondingly disposed inside one of the battery bins 112. When a fire disaster occurs in a certain battery compartment 112 or a plurality of battery compartments 112, the fire-fighting outer tube 321 can spray water to the outside of the corresponding battery compartment 112, and the fire-fighting inner tube 322 can spray water to the inside of the corresponding battery compartment 112, and the fire-fighting pipelines 32 are arranged on the outside and the inside of the battery compartment 112, so that the fire extinguishing efficiency can be effectively improved, and the fire disaster can be prevented from spreading among the battery compartments 112, so that the reliability of the fire-fighting system 3 can be ensured.

Preferably, the detection assembly 31 is a fire detector that is disposed within the battery compartment 112. The fire detector has an all-in-one function, and can detect indexes such as temperature, smoke, CO (carbon monoxide), VOC (volatile organic compound), hydrogen concentration and the like in the battery compartment 112 so as to accurately judge whether the battery compartment 112 is in fire or not.

Further, as shown in fig. 3 and 4, each energy storage unit 11 further includes a plurality of fire-proof walls 113, and each energy storage unit 11 has an electrical bin 111, and then the fire-proof walls 113 are disposed between two adjacent battery bins 112 or between two adjacent battery bins 112 and the electrical bin 111, and fire-proof distances are provided between the fire-proof walls 113 and the battery bins 112 and between fire-proof walls and the electrical bins 111. Not only the plurality of bins of the energy storage unit 11 can be partitioned by the firewall 113, but also a certain distance can be provided between the plurality of bins and the firewall 113. This prevents the large-scale spread of energy-storage single-station fires, thereby reducing economic losses in large-scale fires and also reducing the water usage of the fire protection system 3.

Optionally, the energy storage area 1 is further provided with an energy storage variable-current variable-voltage integrated machine 12, and the energy storage variable-voltage integrated machine 12 is electrically connected with the energy storage unit 11.

Optionally, the fire-fighting inner tube 322 has a plurality of inner branch pipes 3221, the battery compartment 112 is provided with a battery cluster 1122, and water outlet ends of the inner branch pipes 3221 are all located above the battery cluster 1122, which can make water spraying more uniform, so as to ensure that fire can be effectively extinguished at all positions in the battery compartment 112. In particular, as shown in fig. 5, the battery compartment 112 has a box 1121, the box door 11211 of the box 1121 can be opened and closed, so that the battery cluster 1122 can be placed in the box 1121, and a fire-fighting port 11212 is provided at a non-box door 11211 of the box 1121, the fire-fighting inner tube 322 is located in the battery compartment 112, and one end of the fire-fighting inner tube 322, where the inner branch tube 3221 is not provided, can be communicated with the fire-fighting outer tube 321 outside the battery compartment 112 through the fire-fighting port 11212. In addition, as shown in fig. 6, if two rows of battery clusters 1122 are disposed in one battery compartment 112, and each row of battery clusters 1122 includes a plurality of battery clusters 1122, each battery cluster 1122 includes a plurality of vertically stacked battery packs 11221, the inner branch pipes 3221 may be disposed in two corresponding rows, so that water outlet ends are disposed above each row of battery clusters 1122 correspondingly, and each row is disposed with a plurality of inner branch pipes 3221, i.e. a plurality of water outlet ends are disposed above each row of battery clusters 1122. Preferably, the water outlet end of inner branch 3221 is provided with a fire sprinkler head 324.

Optionally, the fire-fighting outer tube 321 has a plurality of outer branches 3211, and water outlet ends of the plurality of outer branches 3211 are all located above the battery compartment 112. The outer branch pipe 3211 is disposed above the battery compartment 112, and can spray the battery compartment 112 from top to bottom completely, without affecting and interfering with the opening and closing of the door 11211 of the battery compartment 112. Preferably, the water outlet end of the outer leg 3211 is provided with a fire sprinkler head 324.

Preferably, as shown in fig. 3 and 4, the outer branch pipes 3211 are not correspondingly disposed directly above the battery compartment 112, but are positioned at both sides of the battery compartment 112, that is, the spraying areas of the outer branch pipes 3211 and the inner branch pipes 3221 are not overlapped on the same horizontal plane, which may make the plane area where the fire-fighting inner pipe 322 and the fire-fighting outer pipe 321 spray wider. In addition, the outer branch pipes 3211 are provided in two groups, and the two groups of outer branch pipes 3211 are respectively provided at both sides of the battery compartment 112 in the arrangement direction of the plurality of battery compartments 112, which can further restrict the fire from spreading to both sides of the battery compartment 112 where the firewall 113 is not provided.

Optionally, a control valve 323 is provided on each fire line 32, the control valve 323 being in signal connection with the control assembly 21. That is, when the detecting unit 31 detects that one or several battery bins 112 are in fire, the control unit 21 opens the control valve 323 on the fire control pipeline 32 corresponding to the battery bins 112, so that the fire control pipeline 32 is kept clear, and water pumped from the fire water tank 203 can flow to the fire outer pipe 321 and the fire inner pipe 322 simultaneously, so that water spraying can be performed on the inner and outer sides of the battery bins 112 in fire at the same time, and after the fire is ended, the control valve 323 is closed.

Still further, as shown in fig. 7, the energy storage power station further includes a communication line 25, and the fire fighting line 32 communicates with the fire fighting water tank 203 through the communication line 25. In specific implementation, the fire-fighting inner pipes 322 correspondingly arranged in the N battery bins 112 are connected in parallel and are communicated with the fire-fighting outer pipes 321 outside the battery bins 112, and the N fire-fighting outer pipes 321 correspondingly arranged outside the N battery bins 112 are connected in parallel and are communicated with the communication pipeline 25, so that the arrangement can reduce the complexity of the pipeline of the energy storage power station.

Optionally, the filter 23 is disposed on the communication pipeline 25, and the filter 23 can filter water flowing to the fire-fighting pipeline 32, so as to avoid impurities entering the fire-fighting pipeline 32, and the fire-fighting spray header 324 at the fire-fighting pipeline 32 or the water outlet end is blocked, thereby influencing the water outlet. In the embodiment shown in fig. 8, the filter 23 is located in the auxiliary area 2, the auxiliary area 2 is provided with a central control room 201 and a fire-fighting room 202, the filter 23 is located in the fire-fighting room 202, and the control unit 21 is located in the central control room 201.

Optionally, the high-pressure pump 24 is disposed on the communication pipeline 25, the high-pressure pump 24 is in signal connection with the control assembly 21, that is, when the control assembly 21 receives a fire occurrence signal, the high-pressure pump 24 is controlled to start working, and the high-pressure pump 24 is located downstream of the filter 23, so that it is ensured that the water flowing to the high-pressure pump 24 is filtered of impurities, and normal use of the high-pressure pump 24 is not affected. The pressure of the water sprayed from the water outlet end can be enhanced by pumping the water in the fire-fighting pool 203 by the high-pressure pump 24 to achieve the maximum spraying range and the optimal fire-extinguishing effect. In addition, as shown in fig. 8, in the implementation, the high-pressure pump 24 is located in the auxiliary area 2, and both the high-pressure pump 24 and the aforementioned filter 23 are located in the fire-fighting room 202 of the auxiliary area 2.

Preferably, the high-pressure pumps 24 are provided with a plurality of groups, the high-pressure pumps 24 are arranged in parallel, each group of high-pressure pumps 24 is connected with the control assembly 21 in a signal manner, and a certain number of high-pressure pumps 24 can be put into water taking and pressurizing according to actual demands.

Optionally, the energy storage power station further comprises a plurality of fire audible and visual alarms 22, and the plurality of fire audible and visual alarms 22 are in signal connection with the control component 21. I.e. when the detection assembly 31 detects a fire in the battery compartment 112, the control assembly 21 will also sound an alarm via the fire audible and visual alarm 22 in addition to activating the fire protection system 3. In particular, as shown in fig. 8, except for the fire audible and visual alarm 22 provided in the auxiliary area 2, the fire audible and visual alarm 22 is provided outside each battery compartment 112.

Referring to fig. 8, the energy storage power station provided in this embodiment will perform the following actions when a fire occurs:

when one or more battery bins 112 are in fire, the detection assembly 31 in the battery bin 112 detects the occurrence of the fire, and can transmit fire signals to the control assembly 21 in the central control room 201 through the communication control line, after receiving the fire signals, the control assembly 21 simultaneously sends control signals to the fire audible and visual alarm 22, the high-pressure pump 24 and the control valve 323 on the fire pipeline 32 corresponding to the battery bin 112 in fire, the fire audible and visual alarm 22 of the battery bin 112 in fire and the fire audible and visual alarm 22 of the central control room 201 will carry out fire audible and visual alarm, and when the high-pressure pump 24 starts working, the control valve 323 on the fire pipeline 32 corresponding to the battery bin 112 in fire will be opened. The fire-fighting outer pipe 321 outside the battery compartment 112 and the fire-fighting inner pipe 322 in the battery compartment 112 are filled with water, the water is sprayed out from the fire-fighting spray heads 324 of the outer branch pipe 3211 of the fire-fighting outer pipe 321 and the fire-fighting spray heads 324 of the inner branch pipe 3221 of the fire-fighting inner pipe 322, the open fire inside and outside the battery compartment 112 can be extinguished through continuous water spraying, and the continuous water spraying can continuously cool the battery in thermal control, so that the battery is prevented from being re-burned, and the fire of the battery compartment 112 is prevented from spreading to other battery compartments 112. When the battery thermal runaway in the battery compartment 112 is completed, the high-pressure pump 24 stops working, the control valve 323 is closed, and the fire-fighting spray heads 324 of the outer branch pipe 3211 of the fire-fighting outer pipe 321 and the fire-fighting spray heads 324 of the inner branch pipe 3221 of the fire-fighting inner pipe 322 stop spraying.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Energy storage power station, its characterized in that includes:

the energy storage area (1) is provided with a plurality of energy storage units (11), and each energy storage unit (11) comprises N battery bins (112) which are sequentially arranged;

an auxiliary area (2) provided with a control assembly (21) and a fire water pond (203);

fire extinguishing system (3), including detection component (31) and parallelly connected N fire control pipeline (32) that set up, detection component (31) control component (21) and N fire control pipeline (32) equal signal connection, detection component (31) are used for detecting whether fire breaks out in battery compartment (112), N fire control pipeline (32) one end all with fire control pond (203) are connected, N fire control pipeline (32) the other end equipartition divide into fire control inner tube (322) and fire control outer tube (321), and one fire control outer tube (321) correspond set up in one outside battery compartment (112), one fire control inner tube (322) correspond set up in one in battery compartment (112).

2. The energy storage power station of claim 1, wherein each energy storage unit (11) further comprises an electrical bin (111) and a plurality of fire-walls (113), the fire-walls (113) being configured to separate two adjacent battery bins (112), and the adjacent battery bins (112) and electrical bins (111), the fire-walls (113) having a fire-proof spacing from each of the battery bins (112) and the electrical bins (111).

3. The energy storage power station as claimed in claim 1, wherein the fire-fighting inner pipe (322) has a plurality of inner branch pipes (3221), a battery cluster (1122) is arranged in the battery compartment (112), and water outlet ends of the inner branch pipes (3221) are all located above the battery cluster (1122).

4. The energy storage power station of claim 1, wherein the fire protection outer tube (321) has a plurality of outer branches (3211), and the water outlet ends of the outer branches (3211) are all located above the battery compartment (112).

5. The energy storage power station as claimed in claim 4, wherein the outer branch pipes (3211) are provided with two groups, and the two groups of outer branch pipes (3211) are respectively disposed at two sides of the battery compartment (112) in an arrangement direction of the plurality of vertical battery compartments (112).

6. The energy storage power station according to claim 1, characterized in that control valves (323) are arranged on the N fire protection pipelines (32) corresponding to the N battery bins (112), and the control valves (323) are in signal connection with the control assembly (21).

7. The energy storage power station according to any one of claims 1 to 6, further comprising a plurality of fire audible and visual alarms (22), wherein a plurality of the fire audible and visual alarms (22) are in signal connection with the control assembly (21), wherein the auxiliary area (2) is provided with the fire audible and visual alarms (22), and wherein the fire audible and visual alarms (22) are arranged outside each battery compartment (112).