阅读说明：本技术 储能系统 (Energy storage system ) 是由 杨强 易梓琦 吴祖钰 张万财 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种储能系统,所述储能系统包括：多个储电模块,每个所述储电模块包括：第一独立外壳；电池组,所述电池组设于所述第一独立外壳内；灭火单元,所述灭火单元设于所述第一独立外壳内,所述灭火单元包括气体喷头和水喷头；消防连接部,所述消防连接部设于所述第一独立外壳的外侧且包括气管系统和水管系统,所述气管系统与每个所述储电模块的所述气体喷头连接,所述水管系统与每个所述储电模块的所述水喷头连接。根据本发明实施例的储能系统具有能够及时检测火情、灭火效果好、降低火灾损失等优点。(The invention discloses an energy storage system, comprising: a plurality of power storage modules, each of the power storage modules comprising: a first independent housing; the battery pack is arranged in the first independent shell; the fire extinguishing unit is arranged in the first independent shell and comprises a gas nozzle and a water nozzle; the fire control connecting portion, the fire control connecting portion are located the outside of first independent shell just includes trachea system and water piping system, trachea system and every the electricity storage module the gas shower nozzle is connected, water piping system and every the electricity storage module the water shower nozzle is connected. The energy storage system provided by the embodiment of the invention has the advantages of timely detecting the fire, good fire extinguishing effect, reducing fire loss and the like.)

1. An energy storage system, comprising:

a plurality of power storage modules, each of the power storage modules comprising:

a first independent housing;

the battery pack is arranged in the first independent shell;

the fire extinguishing unit is arranged in the first independent shell and comprises a gas nozzle and a water nozzle;

the fire control connecting portion, the fire control connecting portion are located the outside of first independent shell just includes trachea system and water piping system, trachea system and every the electricity storage module the gas shower nozzle is connected, water piping system and every the electricity storage module the water shower nozzle is connected.

2. The energy storage system of claim 1, wherein the first self-contained enclosure is provided with a first gas connection connecting the gas jet and the gas pipe system and a first water connection connecting the water jet and the water pipe system.

3. The energy storage system of claim 2, wherein the first gas connection and the first water connection are spaced apart from a top wall of the first self-contained housing.

4. The energy storage system of claim 2, wherein the first gas connection is a three-way connection having a first gas connection, a second gas connection, and a third gas connection, the first gas connection being connected to the gas showerhead, the second gas connection and the third gas connection being connected to the gas pipe system.

5. The energy storage system of claim 1, further comprising a control module, the control module comprising:

a second independent housing having a receiving cavity;

the gas storage tank is arranged in the accommodating cavity, and the gas pipe system is connected with the gas storage tank and the gas spray head of each power storage module;

the fire-fighting joint is arranged on the second independent shell, and the water pipe system is connected with the fire-fighting joint and each water spray nozzle of the electricity storage module.

6. The energy storage system of claim 5, wherein the fire protection sub is disposed on a side wall of the second self-contained enclosure, the fire protection sub being a standard component.

7. The energy storage system of claim 5, wherein said second self-contained enclosure is provided with a second gas connection connecting said gas storage tank and said gas piping system and a second water connection connecting said fire hydrant and said water piping system.

8. The energy storage system of claim 7, wherein the second gas connection and the second water connection are spaced apart from a top wall of the second self-contained enclosure.

9. The energy storage system of claim 7, wherein the second gas connector is a three-way connector, the second gas connector has a fourth gas port, a fifth gas port and a sixth gas port, the fourth gas port is connected to the gas storage tank through a first connecting pipe, and the fifth gas port and the sixth gas port are connected to the gas pipe system.

10. The energy storage system of claim 5, wherein the gas storage tank is configured to store heptafluoropropane gas.

11. The energy storage system of claim 1, wherein the first self-contained enclosure has a self-contained enclosure, the battery pack is disposed within the self-contained enclosure, and the fire suppression unit is disposed within the self-contained enclosure.

12. The energy storage system of claim 11, wherein the first self-contained enclosure is provided with an explosion-proof valve in communication with the self-contained enclosure.

Technical Field

The invention relates to the technical field of energy storage, in particular to an energy storage system.

Background

In the related technology, an energy storage system is an essential basic measure for the development of a micro-grid, an island grid, a distributed power generation system and a new energy automobile rapid charging technology. The energy storage system is applied to the power system, so that the demand side management, the peak clipping and valley filling, the load smoothing and the power grid frequency quick adjustment are realized, the operation stability and reliability of the power grid are improved, and the impact of a new energy power generation system with large instantaneous changes such as photovoltaic and wind power on the power grid is reduced. However, in the prior art, the energy storage system is generally of a container type integral structure, the detection devices are distributed in the container inner chamber, due to the dilution of the large space in the container inner chamber, the individual battery pack cannot be sensed by the detection devices when thermal runaway occurs in the initial stage, and the detection devices can be triggered only when the fire of the battery pack reaches a certain condition, so that the delay of the detection devices for sending out fire alarm information is caused.

And, because the group battery of whole system is placed in same space, when carrying out submergence formula fire control, need more fire control medium to fill whole space and can play the effect of putting out a fire, lead to fire control response speed slow like this, fire control material utilization ratio is extremely low, the fire control cost is high. Meanwhile, all the battery packs are in the same space, and the normal battery packs after fire fighting are also damaged by immersion, so that extreme waste is caused.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an energy storage system which has the advantages of timely detecting fire, having good fire extinguishing effect, reducing fire loss and the like.

To achieve the above object, an embodiment according to a first aspect of the present invention proposes an energy storage system, including: a plurality of power storage modules, each of the power storage modules comprising: a first independent housing; the battery pack is arranged in the first independent shell; the fire extinguishing unit is arranged in the first independent shell and comprises a gas nozzle and a water nozzle; the fire control connecting portion, the fire control connecting portion are located the outside of first independent shell just includes trachea system and water piping system, trachea system and every the electricity storage module the gas shower nozzle is connected, water piping system and every the electricity storage module the water shower nozzle is connected.

The energy storage system provided by the embodiment of the invention has the advantages of timely detecting the fire, good fire extinguishing effect, reducing fire loss and the like.

In addition, the energy storage system according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the invention, the first self-contained housing is provided with a first gas connection connecting the gas burner and the gas pipe system and a first water connection connecting the water burner and the water pipe system.

According to some embodiments of the invention, the first gas connection and the first water connection are spaced apart from a top wall of the first self-contained housing.

According to some embodiments of the invention, the first gas connection is a three-way connection, the first gas connection having a first gas port, a second gas port, and a third gas port, the first gas port being connected to the gas showerhead, the second gas port and the third gas port being connected to the gas pipe system.

According to some embodiments of the invention, the energy storage system further comprises a control module comprising: a second independent housing having a receiving cavity; the gas storage tank is arranged in the accommodating cavity, and the gas pipe system is connected with the gas storage tank and the gas spray head of each power storage module; the fire-fighting joint is arranged on the second independent shell, and the water pipe system is connected with the fire-fighting joint and each water spray nozzle of the electricity storage module.

According to some embodiments of the invention, the fire hydrant is a standard unit provided in a side wall of the second independent housing.

According to some embodiments of the invention, the second self-contained enclosure is provided with a second gas connection connecting the gas tank and the gas pipe system and a second water connection connecting the fire hydrant and the water pipe system.

According to some embodiments of the invention, the second gas connection and the second water connection are spaced apart from a top wall of the second self-contained housing.

According to some embodiments of the invention, the second gas connector is a three-way connector, the second gas connector has a fourth gas connector, a fifth gas connector and a sixth gas connector, the fourth gas connector is connected to the gas storage tank through a first connecting pipe, and the fifth gas connector and the sixth gas connector are connected to the gas pipe system.

According to some embodiments of the invention, the gas tank is for storing heptafluoropropane gas.

According to some embodiments of the invention, the first separate housing has a separate closed space, the battery pack is disposed in the separate closed space, and the fire extinguishing unit is disposed in the separate closed space.

According to some embodiments of the invention, the first separate enclosure is provided with an explosion-proof valve, which communicates with the separate enclosed space.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an energy storage system according to an embodiment of the present invention.

Fig. 2 is an enlargement of D in fig. 1.

Fig. 3 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 4 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 5 is an enlargement of E in fig. 4.

Fig. 6 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 7 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 8 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 9 is a top view of fig. 8.

Fig. 10 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 11 is a rear view of fig. 8.

Fig. 12 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 13 is a schematic structural diagram of an energy storage system according to an embodiment of the invention.

Fig. 14 is an enlargement of F in fig. 13.

Fig. 15 is an enlargement of M in fig. 13.

Reference numerals: energy storage system 1, first module row 11, second module row 12, electrical connection 20, cooling connection 30, fire protection connection 40, water conduit system 41, gas conduit system 42, communication connection 50,

The power storage module 100, the first independent shell 110, the first shell body 111, the first door 112, the first gas joint 113, the first gas interface 1131, the second gas interface 1132, the third gas interface 1133, the first water joint 114, the battery pack 120, the wiring terminal 130, the fire extinguishing unit 140, the gas nozzle 141, the water nozzle 142, the detection unit 150, the comprehensive detection device 151, the hydrogen detection device 152, the explosion-proof valve 160, the cooling unit 170, the hydrogen storage device, the hydrogen detection device, the hydrogen storage device, the third gas interface, the third,

A control module 200, a second self-contained housing 210, a second housing body 211, a second door 212, a fire hydrant 213, a gas tank 214, a second gas connector 215, a fourth gas port 2151, a fifth gas port 2152, a sixth gas port 2153, a second water connector 216, a gas controller 220, an alarm 230, a gas sensor, and a gas sensor,

A top cover 320.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

An energy storage system 1 according to an embodiment of the invention is described below with reference to the drawings.

As shown in fig. 1 to 15, the energy storage system 1 according to the embodiment of the invention includes a plurality of energy storage modules 100 and a fire-fighting connection 40.

For example, the plurality of power storage modules 100 includes a plurality of first power storage layers stacked in the up-down direction, the power storage modules 100 in each first power storage layer are arranged in a specific shape in the horizontal direction, and the shape of the first power storage layer may be determined according to the actual topographic conditions of the installation site.

It is to be understood herein that the first individual case 110 of each power storage module 100 may form an individual sealed individual closed space in which the battery pack 120 is disposed, wherein the battery pack 120 may be plural. For example, the power storage module 100 includes a first independent housing 110 in a rectangular parallelepiped shape, the height direction of the first independent housing 110 extends vertically, the length direction extends forward and backward, and the width direction extends left and right (the up and down direction is shown in fig. 1, the left and right direction is shown in fig. 1, and it should be understood that the above-mentioned direction limitation is only for convenience of description of the drawings, and does not limit the actual installation position and direction of the power storage system 1), the first independent housing 110 includes a first housing body 111 and a first door body 112, a front side surface of the first housing body 111 has a first opening, one side edge of the first door body 112 is rotatably provided on the first housing body 111 to open and close the first opening, when the first door body 112 is closed, the first housing body 111 and the first door body 112 together define an independent closed space, and the independent closed space forms a sealing level of IP67 or more, a plurality of battery packs 120 are arranged in the independent closed space at intervals in the up-down direction.

In some embodiments, as shown in fig. 8, each power storage module 100 includes a first independent housing 110, a battery pack 120, a detection unit 150, and a fire extinguishing unit 140. The battery pack 120 is disposed in the first independent housing 110, the detection unit 150 is disposed in the first independent housing 110, the fire extinguishing unit 140 is disposed in the first independent housing 110, the fire extinguishing unit includes a gas nozzle 141 and a water nozzle 142, the gas nozzle 141 sprays fire extinguishing gas, and the water nozzle 142 sprays liquid fire extinguishing medium such as water. The detection unit 150 is used to detect the fire information of the power storage module 100, for example, the detection unit 150 is a CO detection device or a smoke detection device. The fire extinguishing unit 140 is provided to spray extinguishing medium to the present electric storage module 100 and the extinguishing medium is confined by the independent closed space, thereby preventing the extinguishing medium from spreading to other electric storage modules 100 adjacent to the present electric storage module 100.

Alternatively, the detection unit 150 includes an integrated detector 151 and a hydrogen detector 152, and the integrated detector 151 may detect the CO concentration and the smoke concentration.

In some embodiments, as shown in fig. 2, the fire fighting connection 40 is provided outside the first self-contained housing 110, the fire fighting connection 40 including a gas pipe system 42 and a water pipe system 41, the gas pipe system 42 being connected to the gas nozzles 141 of each of the electric storage modules 100, and the water pipe system 42 being connected to the water nozzles 142 of each of the electric storage modules 100. The fire-fighting connection 40 connects the fire extinguishing units 140 of each of the electricity storage modules 100 to form a whole, so that the fire extinguishing medium can be transported into the fire extinguishing units 140 of the electricity storage modules 100 by the fire-fighting connection 40 to extinguish the fire of the electricity storage modules 100. Meanwhile, the fire fighting connection part 40 is provided at the outside of the first independent housing 110, thereby preventing the electric storage module 100 from affecting the fire fighting connection part 40 when a fire occurs. Specifically, gas piping system 42 connects gas nozzles 141 of each energy storage system 1 to form a single unit, and water piping system 41 connects water nozzles 142 of each energy storage system 1 to form a single unit.

According to the energy storage system 1 provided by the embodiment of the invention, by arranging the plurality of independent energy storage modules 100, the energy storage modules 100 can be arranged into a proper shape according to the actual terrain condition of an installation site and the capacity requirement of a user, so that the energy storage system 1 is more flexible and changeable in arrangement and can be adapted to the installation site, the requirement on the installation site is reduced conveniently, the energy storage system 1 is convenient to install and arrange, and different power and capacity requirements of the user are met conveniently.

In addition, compared to the container type energy storage system 1, a plurality of battery pack 120 installation cavities are formed by providing partition plates in the container. The number of the electricity storage modules 100 can be flexibly set according to capacity requirements, waste of space in a container caused by insufficient filling of the battery pack 120 is avoided, the energy density of the energy storage system 1 is conveniently improved, the cost of the energy storage system 1 can be reduced, and the occupied space of the energy storage system 1 is reduced. When a failure occurs in one or some of the plurality of power storage modules 100, the power storage modules can be repaired and replaced in a targeted manner, so that the maintenance cost of the energy storage system 1 is reduced, and the maintenance efficiency is improved.

In addition, when a fire disaster occurs due to thermal runaway of the battery pack 120 in the target power storage module 100, the detection unit 150 of the target power storage module 100 can monitor the internal condition of the target power storage module 100 in real time, so as to find out a fire in time and send alarm information, thereby avoiding the situation of fire expansion due to detection delay. Meanwhile, the fire extinguishing connecting part 40 timely transmits the fire extinguishing medium to the fire extinguishing unit 140, so that the fire extinguishing unit 140 can timely perform fire extinguishing operation on the target power storage module 100, the pertinence and the effectiveness of fire extinguishing are improved, the fire behavior is conveniently and effectively controlled, and the loss caused by fire is reduced.

Further, the power storage modules 100 independently arranged respectively can isolate the fire condition in the target power storage module 100, and can prevent substances such as flame, fire extinguishing medium and the like from diffusing to other adjacent power storage modules 100, so that the loss caused by the fire is further reduced.

That is, when a fire occurs, the detection unit 150 of the power storage module 100 in which the fire occurs sends fire information to alarm, and the corresponding fire extinguishing unit 140 selects an appropriate fire extinguishing means to perform targeted fire extinguishing without affecting other normal power storage modules 100. Of course, the fire extinguishing unit 140 may be configured to operate under the influence of smoke, fire, heat.

Further, by disposing the fire-fighting connection part 40 outside the first independent housing 110 and connecting with the fire extinguishing unit 140 of each power storage module 100. This makes it possible to supply a fire extinguishing medium to each electric storage module 100 using the fire fighting connection 40, so that targeted fire fighting can be performed accurately and in time for each electric storage module 100. Meanwhile, the first independent shell 110 is convenient to seal, the fire-fighting connecting part 40 can be prevented from occupying too much space in the first independent shell 110, and the energy density of the electricity storage module 100 is convenient to improve.

That is, the fire extinguishing medium can be stored in one place as a whole without providing a storage for the fire extinguishing medium in each power storage module 100. When a fire occurs and a fire extinguishing medium is needed for one or more power storage modules 100, the fire extinguishing medium is directly transported by the fire-fighting connecting part 40 into the fire extinguishing unit 140 of the power storage module 100 to extinguish the fire of the power storage module 100. The fire extinguishing medium storage device is convenient for unified storage and replacement of fire extinguishing medium, and particularly, when immersed fire fighting is carried out, only the storage device for storing the fire extinguishing medium needs to be filled and supplemented with the fire extinguishing medium, so that the fire fighting response speed is high, the fire fighting material utilization rate is high, and the fire fighting cost is low.

Therefore, the energy storage system 1 provided by the embodiment of the invention has the advantages of timely detecting the fire, having a good fire extinguishing effect, reducing the fire loss and the like.

An energy storage system 1 according to a specific embodiment of the present invention is described below with reference to the drawings.

In some specific embodiments of the present invention, as shown in fig. 1 to 15, the energy storage system 1 according to the embodiment of the present invention includes a plurality of energy storage modules 100 and a fire-fighting connection 40.

In some embodiments of the present invention, as shown in FIG. 8, the first independent housing 110 is provided with a first gas connector 113 and a first water connector 114, the first gas connector 113 connects the gas nozzle 141 and the gas pipe system 42, and the first water connector 114 connects the water nozzle 142 and the water pipe system 41. That is, first gas connector 113 is connected to gas nozzle 141 at one end and to gas piping system 42 at the other end, and gas piping system 42 and gas nozzle 141 are also connected through first gas connector 113. Facilitating gas pipe system 42 to provide fire suppressing gas to gas nozzles 141. Similarly, the first water connector 114 is connected to the water spray head 142 at one end and to the water pipe system 41 at the other end, and the water pipe system 41 and the water spray head 142 are also connected by the first water connector 114. Facilitating the water line system 41 to supply extinguishing liquid to the water spray heads 142. Specifically, the arrangement is such that the power storage module 100 has both the water spray head 142 and the gas spray head 141, so that when a fire occurs, a suitable fire fighting means can be selected according to specific conditions such as the size of the fire, and the selective fire fighting of the energy storage system 1 is facilitated.

In some alternative embodiments, as shown in fig. 8, the first gas connector 113 and the first water connector 114 are spaced apart from each other on the top wall of the first independent housing 110. This is convenient for connect fire control connecting portion 40 and fire extinguishing unit 140, simultaneously, can have two kinds of fire extinguishing medium simultaneously in the first independent shell 110, when taking place the condition of a fire, can put out a fire according to the particular case selection fire extinguishing mode of the intensity of a fire. In some cases of small fire, only gas alone can be used for extinguishing fire. This is advantageous in protecting the battery pack 120 from damage caused by water immersion and reducing loss due to fire. The first gas connector 113 and the first water connector 114 are spaced apart from each other at the top wall of the first independent housing 110. The sealability of the first independent housing 110 is facilitated.

In some alternative embodiments, as shown in fig. 14, the first gas connector 113 is a three-way connector, the first gas connector 113 has a first gas interface 1131, a second gas interface 1132 and a third gas interface 1133, the first gas interface 1131 is connected to the gas showerhead 141, and the second gas interface 1132 and the third gas interface 1133 are connected to the gas pipe system 42. First gas interface 1131 in first gas joint 113 is connected with gas shower nozzle 141 in electric storage module 100, second gas interface 1132 and third gas interface 1133 insert gas pipe system 42 and then couple together gas shower nozzle 141 and gas pipe system 42, directly transport gas to gas shower nozzle 141 by gas pipe system 42, gas pipe system 42 couples together gas shower nozzle 141 in electric storage module 100 through connecting each first gas joint 113, be favorable to gaseous unified storage and the unified gas feed to gas shower nozzle 141 in electric storage module 100.

In some embodiments of the present invention, the energy storage system 1 further includes a control module 200, as shown in fig. 10 and 12, the control module 200 includes a second independent housing 210, a gas storage tank 214 and a fire joint 213, the second independent housing 210 has a receiving cavity, the gas storage tank 214 is disposed in the receiving cavity, and the gas pipe system 42 connects the gas storage tank 214 and the gas spray head 141 of each of the energy storage modules 100. A fire hydrant hose 213 is provided in the second independent housing 210, and a hose system 41 connects the fire hydrant hose 213 and the water sprinkler 142 of each of the power storage modules 100. The adjacent first independent housing 110 and the second independent housing 210 are independent from each other, the second independent housing 210 includes a second housing body 211 and a second door body 212, a front side surface of the second housing body 211 has a second opening, the second door body 212 is rotatably provided to the second housing body 211 to open and close the second opening, and when the second door body 212 is closed, the second housing body 211 and the second door body 212 form an accommodating cavity. An air tank 214 containing fire extinguishing medium is provided in the accommodating chamber, the second independent housing 210 includes a second housing body 211 and a second door body 212, the second housing body 211 and the second door body 212 define the accommodating chamber when the second door body 212 is closed, a front side surface of the second housing body 211 has a second opening, and the second door body 212 is rotatably provided in the second housing body 211 to open and close the second opening. The gas pipe system 42 is connected at one end to the gas tank 214 and at the other end to the gas spray head 141 of each power storage module 100, and the fire extinguishing medium in the gas tank 214 is transported into the gas spray head 141 through the gas pipe system 42. This facilitates uniform storage of the gaseous extinguishing medium in the gas tank 214 and supply to the gas shower 141 if necessary. There is a case where the gas is uniformly supplied to the gas shower head 141 of the electricity storage module 100 through the gas tank 214.

In addition, the second independent housing 210 has a fire joint 213, and one end of the fire joint 213 is connected to the water piping system 41 through a connection pipe and the other end is adapted to be connected to an external water source. One end of the water pipe system 41 is connected to the fire-fighting joint 213, and the other end is connected to the water nozzle 142 of the electricity storage module 100, so that the connection between the energy storage system 1 and a water source can be realized through the control module 200, and then water is delivered to each electricity storage module 100 through the water pipe system 41. A uniform supply of water jets 142 in each electricity storage module 100 is facilitated by the water conduit system 41 of the fire fighting connection 40.

Meanwhile, the adjacent first independent housing 110 and the second independent housing 210 are independent of each other, which not only can reliably protect the parts in the control module 200, but also can prevent substances such as flame and fire extinguishing medium from diffusing to the control module 200 when the power storage module 100 adjacent to the control module 200 is in fire, so that the loss caused by fire can be reduced, the control module 200 can be protected, and the working stability and reliability of the control module 200 can be improved.

Further, as shown in fig. 15, the control module 200 further includes an alarm 230, the alarm 230 is disposed in the accommodating cavity, and the alarm 230 is in communication with the gas controller 220. In the event of a fire, the gas controller 220 sends a signal to the alarm 230, and the alarm 230 responds upon receiving the alarm signal from the gas controller 220. For example, in case of a fire in a certain power storage module 100, the gas controller 220 transmits a certain signal to the alarm module, and the alarm module sounds a warning bell or flashes a light. This facilitates timely transmission of information and alerting personnel or personnel in the surrounding environment when a fire occurs.

In some alternative embodiments, as shown in fig. 11, the fire hydrant 213 is provided in a side wall of the second independent housing 210, and the fire hydrant 213 is a standard component. The fire joint 213 is disposed through the sidewall of the second independent housing 210, the first end of the fire joint 213 is disposed at the inner side of the second independent housing 210 and connected to the connecting pipe, and the second end of the fire joint 213 is disposed at the outer side of the second independent housing 210. When not being connected with the water source, the second end can be internally provided with a sealing plug for plugging the water source, and when being connected with the water source, the second end can be connected with a fire hydrant or a fire engine. This allows the connection of the energy storage system 1 to a water source via the control module 200, and then delivers water to each of the power storage modules 100 via the fire-fighting connection 40. The provision of the fire hydrant connector 213 at the side wall of the second independent housing 210 facilitates convenience in supplying water resources.

Alternatively, the hydrant connector 213 is a quick connect hydrant connector that can be quickly connected to a fire fighting device such as a fire truck or a fire hydrant. When the fire fighter is putting out a fire, need not to open the cabinet door, can carry out water injection fire control with fire-fighting equipment and fire control joint 213 butt joint. The fire hydrant 213 is a standard component, which facilitates the rapid matching of the fire hydrant 213 with fire fighting equipment such as fire hydrant of a fire engine. Is beneficial to saving time and reducing loss in the fire fighting process.

In some alternative embodiments, as shown in FIG. 13, the second self-contained enclosure 210 is provided with a second gas connection 215 connecting the gas tank 214 and the gas piping system 42 and a second water connection 216 connecting the fire hydrant 213 and the water piping system 41. The second separate housing 210 is connected to the gas pipe system 42 and the water pipe system 41 in the fire fighting connection 40 by means of a second gas joint 215 and a second water joint 216, respectively. And the gas pipe system 42 and the water pipe system 41 of the fire-fighting connection part 40 are respectively connected with the gas nozzles 141 and the water nozzles 142 in the first independent shell 110, so that the gas nozzles 141 and the water nozzles 142 in the plurality of electricity storage modules 100 can be uniformly allocated and controlled, and the fire-fighting system can respond quickly during operation.

In some embodiments, as shown in FIG. 13, a second gas connection 215 and a second water connection 216 are spaced apart from each other on the top wall of the second self-contained housing 210. This arrangement facilitates the connection of the second gas joint 215 and the second water joint 216 to the fire service connection 40.

In some embodiments, as shown in fig. 15, the second gas connector 215 is a three-way connector, the second gas connector 215 has a fourth gas port 2151, a fifth gas port 2152, and a sixth gas port 2153, the fourth gas port 2151 is connected to the gas tank 214 by a first connecting tube, and the fifth gas port 2152 and the sixth gas port 2153 are connected to the gas pipe system 42; the gas tank 214 transmits the fire extinguishing medium in the gas tank 214 to the gas pipe system 42 through the second gas joint 215, and the fire extinguishing medium is distributed to each power storage module 100 by the gas pipe system 42 so as to respond timely in case of fire prevention and eject gas for fire extinguishing.

In some embodiments of the present invention, as shown in FIG. 12, a gas reservoir 214 is used to store heptafluoropropane gas. In case of fire, the gas tank 214 delivers the heptafluoropropane gas into the power storage module 100 to extinguish the fire in the power storage module 100 in case of fire.

In some embodiments of the present invention, the first separate case 110 has a separate closed space, the battery pack 120 is disposed in the separate closed space, and the fire extinguishing unit 140 is disposed in the separate closed space. It is to be understood here that the battery pack 120 is disposed in an independent closed space, wherein the battery pack 120 may be plural, the fire extinguishing unit 140 is disposed to spray the fire extinguishing medium to the present power storage module 100 and the fire extinguishing medium is confined by the independent closed space, thereby preventing the fire extinguishing medium from spreading to other power storage modules 100 adjacent to the present power storage module 100 without causing unnecessary damage to the battery pack 120 in the other power storage modules 100. When a thermal runaway occurs in a certain target power storage module 100, the detection unit 150 and the fire extinguishing unit 140 in this power storage module 100 operate only in the first independent housing 110 of this power storage module 100. The fire extinguishing unit 140 is provided in the independent closed space, and the fire extinguishing unit 140 is provided to spray the fire extinguishing medium to the present electric storage module 100 and the fire extinguishing medium is confined by the independent closed space, thereby preventing the fire extinguishing medium from spreading to other electric storage modules 100 adjacent to the present electric storage module 100. When no thermal runaway (fire) occurs in the other electricity storage modules 100, the corresponding water sprinklers 142 do not operate. The energy storage system 1 only extinguishes the power storage module 100 having thermal runaway, and avoids damage to the battery packs 120 of other normal power storage modules 100.

In some alternative embodiments, as shown in fig. 8 and 9, the first independent housing 110 is provided with an explosion-proof valve 160, and the explosion-proof valve 160 is communicated with the independent closed space. In case of fire or other failure, the explosion-proof valve 160 can be used as a pressure relief device of the power storage module 100 to prevent explosion and the like caused by excessive pressure inside the first independent housing 110.

Alternatively, the power storage module 100 includes a cooling unit 170, the cooling unit 170 being used to cool the battery pack 120, the cooling unit 170 having a cooling interface exposed from the first separate case 110, and the cooling connection 30 being integrally located outside the first separate case 110 and connected to the cooling interface. The cooling connection 30 thus connects the cooling units 170 of the plurality of electric storage modules 100 together via the cooling interface, facilitating the circulation of the cooling medium between the plurality of electric storage modules 100.

In some embodiments of the invention, the energy storage system 1 has an electrical connection 20, the electrical connection 20 connecting at least two energy storage modules 100 in such a way that it is at least partially arranged outside the separate housing 110. This not only is convenient for electrically connect a plurality of electricity storage modules 100 to in addition, be convenient for provide the electric energy that satisfies the needs, be convenient for realize the sealed setting of independent shell 110, can also avoid electric connection 20 to occupy too much space in the independent shell 110, be convenient for improve the energy density of electricity storage module 100.

In some alternative examples, as shown in fig. 3, the power storage module 100 includes a connection terminal 130 exposed from the separate case 110, and the electrical connection part 20 is integrally located outside the separate case 110 and connected to the connection terminal 130. So that the electrical connection portion 20 can electrically connect a plurality of power storage modules 100 together through the connection terminal 130.

Optionally, the connecting terminal 130 is a high voltage electrical connection structure, including a total positive terminal and a total negative terminal, and is provided with a quick-insertion device. The electrical connection portion 20 is sequentially connected to the connection terminals 130 of the respective power storage modules 100 so as to integrally regulate and control the amount of power output from the plurality of power storage modules 100.

In some alternative embodiments, the energy storage system 1 has an electrical connection 20, the electrical connection 20 connecting at least two energy storage modules 100 in a manner that is at least partially arranged outside the separate housing 110. The energy storage system 1 has a cooling connection 30, the cooling connection 30 connecting at least two energy storage modules 100 in such a way that it is at least partially arranged outside the separate housing 110 in order to cool the energy storage modules 100. Wherein the electrical connection portion 20 is disposed on a first side of the plurality of power storage modules 100, and the cooling connection portion 30 is disposed on a second side of the plurality of power storage modules 100, the first side and the second side being adjacent sides or opposite sides of the plurality of power storage modules 100. Therefore, the electric connection part 20 and the cooling connection part 30 can be arranged separately, so that not only can a sufficient arrangement space be provided, but also the conditions of electric leakage and the like caused by the contact of the electric connection part and the cooling connection part can be avoided, and the working reliability and the safety of the energy storage system 1 are improved.

In further alternative embodiments, the energy storage system 1 has an electrical connection 20, the electrical connection 20 connecting at least two energy storage modules 100 in such a way that it is at least partially arranged outside the separate housing 110. The energy storage system 1 has a cooling connection 30, the cooling connection 30 connecting at least two energy storage modules 100 in such a way that it is at least partially arranged outside the separate housing 110 in order to cool the energy storage modules 100. In which the electrical connection portions 20 and the cooling connection portions 30 are arranged on the same side of the plurality of power storage modules 100, but the electrical connection portions 20 and the cooling connection portions 30 are isolated from each other. In this way, the electrical connection portion 20 and the cooling connection portion 30 can be separately arranged, so that the situation of electric leakage and the like caused by contact between the two portions can be avoided, and the working reliability and safety of the energy storage system 1 are improved. At the same time, it is also convenient to protect the electrical connection portion 20 and the cooling connection portion 30, for example, to provide a protective cover that covers the exterior of the electrical connection portion 20 and the cooling connection portion 30.

In some embodiments of the present invention, the first independent housing 110 is provided with a first gas connection 113 and a first water connection 114, the first gas connection 113 connects the gas nozzle 141 and the gas pipe system 42, and the first water connection 114 connects the water nozzle 142 and the water pipe system 41. That is, first gas connector 113 is connected to gas nozzle 141 at one end and to gas piping system 42 at the other end, and gas piping system 42 and gas nozzle 141 are also connected through first gas connector 113. Facilitating gas pipe system 42 to provide fire suppressing gas to gas nozzles 141. Similarly, the first water connector 114 is connected to the water spray head 142 at one end and to the water pipe system 41 at the other end, and the water pipe system 41 and the water spray head 142 are also connected by the first water connector 114. Facilitating the water line system 41 to supply extinguishing liquid to the water spray heads 142. Specifically, the arrangement is such that the power storage module 100 has both the water spray head 142 and the gas spray head 141, so that when a fire occurs, a suitable fire fighting means can be selected according to specific conditions such as the size of the fire, and the selective fire fighting of the energy storage system 1 is facilitated.

In some examples, the energy storage system 1 further includes a top cover 320, the top cover 320 covering the upper end of the energy storage module 100, and the upper end of each of the first independent housings 110 is detachably connected to the top cover 320. The top cover 320 may protect the structure of the upper end of the power storage module 100.

Specifically, the top cover 320 is provided with a plurality of top cover mounting holes, and the top cover 320 is connected to the upper end of the first independent housing 110 by fasteners fitted in the top cover mounting holes. A first channel is arranged between the top cover 320 and the upper end face of the first independent shell 110, and after the energy storage system 1 is formed by the energy storage module 100, the first channel is used for arranging structures such as a high-voltage connecting line, a fire-fighting pipeline and a liquid cooling pipeline.

In some optional embodiments, the energy storage system 1 further includes a communication connection 50, the detection unit 150 is disposed at an upper portion of the independent closed space, and the communication connection 50 is disposed above the first independent housing 110. The detection unit 150 is connected to the communication connection portion 50. Since the smoke and the hot air float upward, the detection unit 150 is disposed at the upper portion of the independent enclosed space, which is beneficial for the detection unit 150 to timely, accurately and reliably detect the condition in the independent enclosed space. Therefore, the detection information of the detection unit 150 can be transmitted by using the communication connection part 50, the sealing arrangement of the first independent housing 110 is facilitated, the communication connection part 50 can be prevented from occupying too much space in the first independent housing 110, and the energy density of the power storage module 100 is facilitated to be improved.

In other embodiments of the present invention, the first energy storage layer 10 includes a first module row 11 and a second module row 12, one end of the first module row 11 is adjacent to one end of the second module row 12, and an included angle between a length direction of the first module row 11 and a length direction of the second module row 12 is greater than 0 degree and less than 180 degrees. That is, the first module row 11 and the second module row 12 are connected in a V-shaped structure, and the included angle between the length direction of the first module row 11 and the length direction of the second module row 12 may be an acute angle, a right angle or an obtuse angle.

Other constructions and operations of the energy storage system 1 according to embodiments of the invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.