CN215900784U - Energy storage system - Google Patents

Abstract

The utility model 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 detection unit is arranged in the first independent shell; the fire extinguishing unit is arranged in the first independent shell; the fire-fighting connecting part is arranged on the outer side of the first independent shell and connected with the fire extinguishing unit of each electricity storage module. The energy storage system provided by the embodiment of the utility model has the advantages of timely detecting the fire, good fire extinguishing effect, reducing fire loss and the like.

Description

Energy storage system

Technical Field

The utility model 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.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model 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 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 detection unit is arranged in the first independent shell; the fire extinguishing unit is arranged in the first independent shell; the fire-fighting connecting part is arranged on the outer side of the first independent shell and connected with the fire extinguishing unit of each electricity storage module.

The energy storage system provided by the embodiment of the utility model 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 utility model, the energy storage system further comprises: a control module in communication with the detection unit and the fire suppression unit of each of the power storage modules.

According to some embodiments of the utility model, the fire suppression unit is provided with gas nozzles, and the control module is provided with a gas controller that controls each of the gas nozzles independently.

According to some embodiments of the utility model, the control module comprises: a second independent housing having a receiving cavity; the gas holder, the gas holder is located hold the intracavity, fire control connecting portion connect the gas holder with gas shower nozzle.

According to some embodiments of the utility model, the control module further comprises: the alarm is arranged in the accommodating cavity and communicated with the gas controller.

According to some embodiments of the utility model, the control module further comprises: the communication receiving device is communicated with the cloud server.

According to some embodiments of the utility model, the fire extinguishing unit is provided with a water nozzle, the control module is provided with a fire fighting connection, and the fire fighting connection connects the fire fighting connection and the water nozzle.

According to some embodiments of the utility model, the fire hydrant is located on a side of the control module.

According to some embodiments of the utility model, the water jets are glass ball water jets.

According to some embodiments of the utility model, the water jets are mechanical jets and the control module is provided with a water controller that is independently controlled for each of the mechanical jets.

According to some embodiments of the utility model, the detection unit comprises at least one of a CO detection device, a smoke detection device, a temperature detection device, or an electrolyte vapor.

According to some embodiments of the utility model, the detection unit further comprises a hydrogen gas detection device.

According to some embodiments of the present invention, the first separate housing has a separate closed space, the battery pack is disposed in the separate closed space, the detection unit 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 utility model, the first separate enclosure is provided with an explosion-proof valve, which communicates with the separate enclosed space.

According to some embodiments of the utility model, the energy storage system further comprises a communication connection, the detection unit is arranged at an upper part of the independent closed space, and the communication connection is arranged above the first independent shell.

According to some embodiments of the utility model, the fire extinguishing unit is provided at an upper portion of the separate enclosure, and the fire fighting connection is provided above the first separate enclosure.

Additional aspects and advantages of the utility model 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 utility model.

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 utility model.

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

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 utility model.

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

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

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 utility model.

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 utility model.

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

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 water joint 114, the battery pack 120, the connection 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 sensor, and the like,

A control module 200, a second independent housing 210, a second housing body 211, a second door 212, a fire joint 213, a gas tank 214, a second gas joint 215, a second water joint 216, a gas controller 220, an alarm 230, a first alarm, a second alarm, and a second alarm,

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 utility model 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 utility model 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 sensing unit 150 is disposed in the first independent housing 110, and the fire extinguishing unit 140 is disposed in the first independent housing 110. 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 arranged to spray extinguishing medium to the present electric storage module 100 and the extinguishing medium is confined by the separate closed space, thereby preventing the extinguishing medium from spreading to other electric storage modules 100 adjacent to the present electric storage module 100, such as the fire extinguishing unit 140 spraying water or fire extinguishing gas.

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. 1, the fire-fighting connection 40 is provided outside the first independent housing 110 and connected with the fire extinguishing unit 140 of each power storage module 100. The fire-fighting connection part 40 connects the fire extinguishing units 140 of each power storage module 100 to form a whole, so that a fire extinguishing medium can be transported into the fire extinguishing units 140 of each power storage module 100 by using the fire-fighting connection part 40, thereby facilitating the fire extinguishing of the power storage modules 100 in case of fire. 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.

According to the energy storage system 1 provided by the embodiment of the utility model, 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 out fire information to alarm, and the corresponding fire extinguishing unit 140 performs targeted fire fighting 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 intensively without providing a reservoir for storing the fire extinguishing medium in each of the power storage modules 100. When a fire occurs, when a fire extinguishing medium is needed for a certain power storage module 100 or a plurality of power storage modules 100, the fire extinguishing medium is directly transported into the fire extinguishing unit 140 of the corresponding power storage module 100 by the fire fighting connection part 40 so as to extinguish the fire of the power storage module 100. Therefore, the fire extinguishing medium is convenient to store and replace uniformly, the fire fighting response speed is high, the utilization rate of fire fighting materials is high, and the fire fighting cost is low.

Therefore, the energy storage system 1 provided by the embodiment of the utility model 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, the energy storage system 1 further comprises: a control module 200, the control module 200 communicating with the detection unit 150 and the fire extinguishing unit 140 of each power storage module 100. The control module 200 at least has a controller and an energy storage ac device, the controller controls the operating state of the fire extinguishing unit 140 in the energy storage module 100 according to the detection result of the detection unit 150 in the energy storage module 100, the plurality of energy storage modules 100 are electrically connected with the energy storage ac device, and the energy storage system 1 can supply power to the outside through the energy storage ac device.

In this way, when a fire breaks out in the target power storage module 100, the control module 200 may receive the internal condition information of the target power storage module 100 in time through the detection unit 150, and control the fire extinguishing unit 140 in the power storage module 100 to operate. Like this through the detecting element 150 of control module 200 and electricity storage module 100 and the communication cooperation of unit 140 of putting out a fire, the fire control response is fast, avoid causing the condition of a fire to enlarge, and independent electricity storage module 100 can keep apart the condition of a fire in this electricity storage module 100, be convenient for carry out the fire control to this electricity storage module 100 and put out a fire the operation, improve the pertinence and the actual effect of putting out a fire, can also prevent material such as flame and fire extinguishing medium to other adjacent electricity storage modules 100 diffusion, be convenient for reduce the loss that the conflagration caused.

Optionally, the fire-fighting connection 40 includes a gas pipe system 42 and a water pipe system 41, the gas pipe system 42 being connected with the gas shower 141 of each of the electric storage modules 100, and the water pipe system 42 being connected with the water shower 142 of each of the electric storage modules 100.

In some alternative embodiments, as shown in fig. 5, the fire suppression unit 140 is provided with gas nozzles 141, and the control module 200 is provided with a gas controller 220, the gas controller 220 controlling each gas nozzle 141 independently. Specifically, the gas controller 220 may control the target gas ejection head 141 to operate individually, the target gas ejection head 141 may eject fire extinguishing gas to an independent closed space, and for example, the gas ejection head 141 may eject heptafluoropropane gas or inert gas. Therefore, when a fire occurs due to thermal runaway of the battery pack 120, the fire extinguishing unit 140 can be used for extinguishing the fire of the battery pack 120 in time in a targeted manner so as to eliminate the fire, and loss of the energy storage system 1 after fire fighting is reduced.

In some embodiments, as shown in fig. 10 and 12, the control module 200 includes a second independent housing 210 and an air tank 214, the second independent housing 210 has a receiving cavity, the air tank 214 is disposed in the receiving cavity, and the fire-fighting connecting part 40 connects the air tank 214 and the gas shower head 141. 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. The gas tank 214 containing the gaseous extinguishing medium is disposed in the accommodating chamber, and the gaseous extinguishing medium in the gas tank 214 is transported to the gas nozzle 141 through the fire-fighting connecting part 40. This facilitates uniform storage of the gaseous extinguishing medium in the gas tank 214 and supply to the gas shower 141 if necessary.

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, wherein the alarm 230 is disposed in the receiving 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, when a fire occurs in a certain power storage module 100, the gas controller 220 sends a control signal to the alarm 230, and at this time, the alarm 230 sends an audible and visual alarm such as a warning bell or a light flashing. This facilitates timely transmission of information and alerting personnel or personnel in the surrounding environment when a fire occurs.

In some embodiments of the present invention, the control module 200 further comprises: and the communication receiving device is communicated with the cloud server. The communication receiving device can acquire some information needed currently from the cloud server so as to judge the fire through big data. For example, the communication receiving device can judge the current fire through WeChat, short message, mail reminding and the like so as to take fire extinguishing measures which are more in line with the current fire, thereby being beneficial to better controlling the fire and reducing the loss caused by the fire.

In some embodiments of the present invention, as shown in fig. 5 and 12, the fire extinguishing unit 140 is provided with a water spray head 142, the water spray head 142 can spray water to the independent enclosed space, the control module 200 is provided with a fire hydrant 213, and the fire hydrant 40 connects the fire hydrant 213 and the water spray head 142. The fire hydrant 213 has one end connected to the fire fighting connecting part 40 through the second water connector 216 and the other end adapted to be connected to an external water source. This allows the energy storage system 1 to be connected to a water source via the control module 200, which in turn delivers water to the water spray heads 142 of each fire suppression unit 140 via the fire connection 40.

Specifically, fire control connects 213 and connects into energy storage system 1 through control module 200, and fire control connects 213 and fire control connecting portion 40 intercommunication, and fire control connecting portion 40 divide into a plurality of branches, a plurality of branches and a plurality of electricity storage module 100 one-to-one, and when taking place the condition of a fire, the water in fire control connecting portion 40 passes through water shower nozzle 142 and carries out the target fire extinguishing to the electricity storage module 100 that takes place thermal runaway.

Meanwhile, under normal conditions, the fire joint 213 is in sealing fit with the sealing plug. The sealing plug is provided with a detachable nut, when a fire occurs, a fireman can rapidly detach the sealing plug, and the second fire joint with the water hose is connected with the fire joint 213 to complete the connection with the fire hydrant or the fire truck. Therefore, targeted water injection fire fighting can be performed on the thermal runaway electricity storage module 100 without opening a door body. The explosion caused by the fact that high-temperature combustible gas generated when the battery is out of control due to heat is exposed to air when the door body is opened is avoided.

In some embodiments of the present invention, as shown in FIG. 11, a fire hydrant fitting 213 is provided on the side of the control module 200. Specifically, the fire service coupling 213 is provided at a side wall of the second independent housing 210. Specifically, the fire joint 213 is disposed through the sidewall of the second independent housing 210, a first end of the fire joint 213 is disposed inside the second independent housing 210 and connected to the second gas joint 215, and a second end of the fire joint 213 is disposed outside the second independent housing 210. This facilitates the connection of the fire hydrant connector 213 to an external water source. For example, when the water source is not connected, the second end can be provided with a sealing plug for plugging the water source, and when the water source is connected, the second end can be connected with a fire hydrant or a fire engine.

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.

In some embodiments of the present invention, the water spray head 142 is a glass ball water spray head 142. When the target power storage module 100 is out of control due to heat, the water nozzle 142 starts to work under the action of smoke, heat and the like, the glass crystal head is broken, and at the moment, the water nozzle 142 starts to extinguish the fire of the power storage module 100. Specifically, the glass ball sprinkler head 142 does not need the control module 200 to control the sprinkler head, and the water sprinkler head 142 starts to operate immediately after the water sprinkler head 142 is broken due to smoke, heat, and the like. The working mode has high response speed and high fire fighting efficiency.

In other embodiments of the present invention, the water jets 142 are mechanical jets and the control module 200 is provided with a water controller that is independently controlled for each mechanical jet. When thermal runaway occurs in the target electricity storage module 100, the water controller controls the mechanical sprinkler to perform fire extinguishing treatment on the target electricity storage module 100.

In some embodiments of the utility model, as shown in FIG. 5, detection unit 150 includes at least one of a CO detection device, a smoke detection device, a temperature detection device, or an electrolyte vapor. Specifically, the CO detection device can detect the content of CO in the independent closed space, the smoke detection device can detect the concentration of smoke in the independent closed space, the temperature detection device can detect the ambient temperature in the independent closed space, and the electrolyte vapor can detect the content of the electrolyte vapor in the independent closed space. This allows the detection unit 150 to monitor the environmental conditions inside the first independent housing 110, so that the fire can be detected in time when the battery pack 120 is out of thermal control.

In some embodiments of the present invention, as shown in fig. 9, the detection unit 150 further comprises a hydrogen gas detection device 152. Specifically, the hydrogen detecting means 152 may detect the content of hydrogen in the independent closed space. This allows the hydrogen content in the first independent housing 110 to be monitored using the hydrogen detecting means 152, preventing explosion.

In some embodiments of the present invention, as shown in fig. 8, the first separate case 110 has a separate closed space, the battery pack 120 is disposed in the separate closed space, the sensing unit 150 is disposed in the separate closed space, and the fire extinguishing unit 140 is disposed in the separate closed space. When a thermal runaway occurs in a certain target power storage module 100, the detection unit 150 and the fire extinguishing unit 140 within this power storage module 100 operate only in the first independent housing 110 of this power storage module 100. Specifically, each power storage module 100 is provided with the detection unit 150, so that the detection area of the detection unit 150 is reduced, which is beneficial to timely finding out the fire by the detection unit 150 and more accurately detecting the specific situation in the first independent housing 110. The control module 200 can respond quickly to control the fire extinguishing unit 140 to extinguish fire.

Meanwhile, the fire extinguishing unit 140 is disposed in the independent closed space, and the fire extinguishing unit 140 is disposed to spray the fire extinguishing medium to the located electricity 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 electricity storage modules 100 adjacent to the located electricity 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. 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 of the first independent housing 110. The explosion proof valve 160 may act as a pressure relief device for the power storage module 100 in the event of a fire or other condition within the isolated enclosure. The explosion of the power storage module 100 due to the excessive pressure in the closed space formed by the first independent housing 110 is prevented.

In some alternative embodiments, as shown in fig. 1 and 2, 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 some implementations, as shown in fig. 1, the fire suppression unit 140 is provided at an upper portion of the separate enclosed space, and the fire-fighting connection 40 is provided above the first separate housing 110. Therefore, the fire extinguishing unit 140 can spray the fire extinguishing medium into the independent closed space from the upper part, the coverage area of the fire extinguishing medium can be enlarged, and the fire extinguishing effect of the fire extinguishing unit 140 can be improved. While such an arrangement facilitates connection of the fire-fighting connection 40 with the fire extinguishing unit 140.

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 utility model, 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 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 utility model 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 utility model 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 utility model. 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 utility model, "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 utility model. 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 utility model 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 utility model, the scope of which is defined by the claims and their equivalents.

Claims (16)

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 detection unit is arranged in the first independent shell;

the fire extinguishing unit is arranged in the first independent shell;

the fire-fighting connecting part is arranged on the outer side of the first independent shell and connected with the fire extinguishing unit of each electricity storage module.

2. The energy storage system of claim 1, further comprising:

a control module in communication with the detection unit and the fire suppression unit of each of the power storage modules.

3. The energy storage system of claim 2, wherein the fire suppression unit is provided with gas spray heads, and the control module is provided with a gas controller that independently controls each of the gas spray heads.

4. The energy storage system of claim 3, wherein the control module comprises:

a second independent housing having a receiving cavity;

the gas holder, the gas holder is located hold the intracavity, fire control connecting portion connect the gas holder with gas shower nozzle.

5. The energy storage system of claim 4, wherein the control module further comprises:

the alarm is arranged in the accommodating cavity and communicated with the gas controller.

6. The energy storage system of claim 2, wherein the control module further comprises:

the communication receiving device is communicated with the cloud server.

7. The energy storage system of claim 2, wherein the fire suppression unit is provided with a water spray head, the control module is provided with a fire protection fitting, and the fire protection connection connects the fire protection fitting and the water spray head.

8. The energy storage system of claim 7, wherein the fire hydrant is located at a side of the control module.

9. The energy storage system of claim 7, wherein the water spray head is a glass ball water spray head.

10. The energy storage system of claim 7, wherein the water jets are mechanical jets and the control module is provided with a water controller that is independently controlled for each of the mechanical jets.

11. The energy storage system of claim 1, wherein the detection unit comprises at least one of a CO detection device, a smoke detection device, a temperature detection device, or an electrolyte vapor.

12. The energy storage system of claim 1, wherein the detection unit further comprises a hydrogen detection device.

13. The energy storage system of claim 1, wherein the first independent housing has an independent enclosed space, the battery pack is disposed in the independent enclosed space, the detection unit is disposed in the independent enclosed space, and the fire extinguishing unit is disposed in the independent enclosed space.

14. The energy storage system of claim 13, wherein the first self-contained enclosure is provided with an explosion-proof valve in communication with the self-contained enclosure.

15. The energy storage system of claim 13, further comprising a communication connection, wherein the detection unit is disposed at an upper portion of the isolated enclosure, and wherein the communication connection is disposed above the first isolated enclosure.

16. The energy storage system of claim 13, wherein the fire suppression unit is disposed at an upper portion of the isolated enclosure, and the fire-fighting connection is disposed above the first isolated enclosure.

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