CN215680859U - Energy storage module of energy storage system and energy storage system - Google Patents
Energy storage module of energy storage system and energy storage system Download PDFInfo
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- CN215680859U CN215680859U CN202121957238.5U CN202121957238U CN215680859U CN 215680859 U CN215680859 U CN 215680859U CN 202121957238 U CN202121957238 U CN 202121957238U CN 215680859 U CN215680859 U CN 215680859U
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- 238000009434 installation Methods 0.000 abstract description 26
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- 238000012423 maintenance Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
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- 239000002826 coolant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an electricity storage module of an energy storage system and the energy storage system, wherein the electricity module comprises: independent shell with locate group battery in the independent shell, independent shell includes: a case body defining a receiving cavity for receiving the battery pack; the door body is arranged on one side of the shell body along a first transverse direction, the size of the independent shell along the first transverse direction is D, the size of the independent shell along a second transverse direction is W, W/D is more than or equal to 0.5 and less than or equal to 2, and the second transverse direction is perpendicular to the first transverse direction. According to the power storage module provided by the embodiment of the utility model, the power storage modules can be more flexibly 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 setting of an energy storage system is more flexible and changeable, and the power storage module can be matched with the installation site, thereby not only facilitating the reduction of the requirement on the installation site and the installation and setting of the energy storage system, but also facilitating the response to different power and capacity requirements of the user.
Description
Technical Field
The utility model relates to the technical field of energy storage, in particular to an energy storage module of an energy storage system and the 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 a container type integral structure, which has a high requirement on a setting site and is inconvenient for coping with different power and capacity requirements of users.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide an electricity storage module of an energy storage system, which has the advantages of being capable of being arranged according to the shape of a site, enabling the arrangement of the energy storage system to be more flexible and changeable, and the like.
Another object of the present invention is to provide an energy storage system having the above-mentioned energy storage module.
An electricity storage module according to an embodiment of the present invention includes: independent shell with locate group battery in the independent shell, independent shell includes: a case body defining a receiving cavity for receiving the battery pack; the door body is arranged on one side of the shell body along a first transverse direction, the size of the independent shell along the first transverse direction is D, the size of the independent shell along a second transverse direction is W, W/D is more than or equal to 0.5 and less than or equal to 2, and the second transverse direction is perpendicular to the first transverse direction.
According to the power storage module of the energy storage system, the independent shell satisfies that W/D is more than or equal to 0.5 and less than or equal to 2 along the first transverse direction and the second transverse direction, so that the energy storage system can be more flexibly arranged into a proper shape according to the actual terrain condition of an installation site and the capacity requirement of a user, the setting of the energy storage system is more flexible and changeable, and can be matched with the installation site, the requirement on the installation site is conveniently reduced, the installation and the setting of the energy storage system are convenient, and different power and capacity requirements of the user are conveniently met.
In addition, the electricity storage module of the energy storage system according to the above embodiment of the utility model may further have the following additional technical features:
according to some embodiments of the utility model, the longitudinal dimension of the power storage module is H and satisfies: W/H is more than or equal to 0.19 and less than or equal to 0.67; and/or, H/D is more than or equal to 1.5 and less than or equal to 5.4.
According to some embodiments of the utility model, the power storage module further comprises: the top cover covers the top of the independent shell, and the sum of the longitudinal sizes of the independent shell and the top cover is the longitudinal size of the electricity storage module.
According to some embodiments of the present invention, W is 450mm or less and 1100mm or less, D is 500mm or less and 1200mm or less, and H is 1500mm or less and 2700mm or less.
The energy storage system according to the embodiment of the utility model comprises: a plurality of the electric storage modules according to an embodiment of the present invention includes a first energy storage layer arranged in a set direction, wherein the independent housings of adjacent electric storage modules are independent of each other.
According to some embodiments of the utility model, the energy storage system has an electrical connection connecting at least two of the energy storage modules in a manner at least partially arranged outside the separate housing.
According to some embodiments of the utility model, the electric storage module includes a connection terminal exposed from the separate case, and the electric connection portion is integrally located outside the separate case and connected to the connection terminal.
According to some embodiments of the present invention, the electric storage module has a fire extinguishing unit disposed to spray an extinguishing medium to a target electric storage module and the extinguishing medium is confined by an independent closed space formed by the independent housing of the target electric storage module, thereby preventing the extinguishing medium from spreading to other electric storage modules adjacent to the target electric storage module.
According to some embodiments of the utility model, the fire extinguishing unit is configured independently for each of the electric storage modules.
According to some embodiments of the utility model, the energy storage system has a cooling connection connecting at least two of the energy storage modules in a manner at least partially arranged outside the separate housing for cooling the energy storage modules.
According to some embodiments of the utility model, the energy storage system has an electrical connection connecting at least two of the electrical storage modules in a manner at least partially arranged outside the separate housing, wherein the electrical connection is arranged on a first side of the plurality of electrical storage modules and the cooling connection is arranged on a second side of the plurality of electrical storage modules, the first side and the second side being adjacent or opposite sides of the plurality of electrical storage modules; alternatively, the electrical connection portion and the cooling connection portion are disposed on the same side of the plurality of power storage modules, but the electrical connection portion and the cooling connection portion are isolated from each other.
According to some embodiments of the utility model, in the first energy storage layer, two adjacent electric storage modules abut each other.
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 diagram of an energy storage system according to some embodiments of the utility model.
Fig. 2 is an enlarged view at D in fig. 1.
Fig. 3 is a schematic structural diagram of an electric storage module of the energy storage system according to the embodiment of the utility model.
Fig. 4 is a schematic structural diagram of an electric storage module of the energy storage system according to the embodiment of the utility model.
Fig. 5 is a schematic structural diagram of an electric storage module of the energy storage system according to the embodiment of the utility model.
Fig. 6 is a schematic diagram of an energy storage system according to some embodiments of the utility model.
Fig. 7 is a schematic diagram of an energy storage system according to further embodiments of the present invention.
Fig. 8 is a schematic diagram of an energy storage system according to further embodiments of the present invention.
Fig. 9 is a schematic diagram of an energy storage system according to further embodiments of the present invention.
Fig. 10 is a schematic diagram of an energy storage system according to further embodiments of the present invention.
Fig. 11 is a schematic diagram of an energy storage system according to further embodiments of the present invention.
Fig. 12 is a schematic diagram of an energy storage system according to further embodiments of the utility model.
Fig. 13 is a schematic diagram of an energy storage system according to further embodiments of the present invention.
Fig. 14 is a schematic diagram of an energy storage system according to further embodiments of the utility model.
Fig. 15 is a schematic diagram of an energy storage system according to further embodiments of the utility model.
Fig. 16 is a schematic diagram of an energy storage system according to further embodiments of the utility model.
Fig. 17 is a schematic structural view of an electricity storage module according to some embodiments of the utility model.
Reference numerals:
the energy storage system comprises an energy storage system 1, a first energy storage layer 10, a first module row 11, a second module row 12, an electric connection part 20, a cooling connection part 30, a fire-fighting connection part 40, an electricity storage module 100, an independent shell 110, a shell body 111, a door body 112, a containing cavity 113, a battery pack 120, a wiring terminal 130, a fire extinguishing unit 140 and a top cover 150.
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.
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 device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the description of the present invention, "a first feature" or "a second feature" may include one or more of the features, and "a plurality" means two or more, and the first feature may be "on" or "under" the second feature, and may include the first and second features being in direct contact, or may include the first and second features being not in direct contact but being in contact with another feature therebetween, and the first feature being "on", "above" and "above" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is higher in level than the second feature.
The electric storage module 100 of the energy storage system 1 and the energy storage system 1 having the same according to the embodiment of the utility model are described below with reference to the drawings.
As shown in fig. 1 to 17, the energy storage system 1 according to the embodiment of the utility model includes a plurality of energy storage modules 100, and the plurality of energy storage modules 100 includes first energy storage layers 10 arranged in a set direction.
Referring to fig. 1 to 5 and 17, an electric storage module 100 of an energy storage system 1 according to an embodiment of the present invention may include: a separate housing 110 and a battery pack 120.
Specifically, each of the power storage modules 100 includes an independent case 110 and a battery pack 120 disposed in the independent case 110, the independent case 120 may form an independent closed accommodation space, and the battery pack 120 is disposed in the accommodation space, wherein the battery pack 120 may be plural. The independent case 110 may include a case body 111 and a door body 112, the case body 111 defining a receiving chamber 113 for receiving the battery pack 120, and the case body 111 being formed with a mouth of the receiving chamber 113 along one side in the first transverse direction, the door body 112 being provided at one side of the case body 111 in the first transverse direction for opening and closing the mouth of the receiving chamber 113. When the door body 112 is closed, the case body 111 and the door body 112 together define an accommodating space, and the plurality of battery packs 120 are arranged in the accommodating space at intervals in the up-down direction.
For example, in some embodiments, as shown in fig. 17, the power storage module 100 includes a rectangular parallelepiped independent housing 110, the first transverse direction is a front-rear direction of the independent housing 110, and the door 112 is provided on a front side of the housing body 111. The left-right direction of the independent housing 110 is a second lateral direction, i.e., a direction perpendicular to the first lateral direction. The longitudinal direction is a height direction of the individual case 110, and is an up-down direction shown in fig. 17. It should be understood that the above-mentioned orientation is only for convenience of description of the drawings, and does not limit the actual location and orientation of the energy storage system 1.
Wherein, the dimension of the independent shell 110 along the first transverse direction is D, the dimension of the independent shell 110 along the second transverse direction is W, and the condition that W/D is more than or equal to 0.5 and less than or equal to 2 is satisfied, so that the difference of the dimensions of the independent shell 110 along the two transverse directions is small. The transverse direction here is to be understood as being parallel to the plane of the first energy storage layer 10 in which the power storage modules 100 are located, in other words, the plane defined by the first transverse direction and the second transverse direction is parallel to the plane defined by the arrangement direction of the plurality of power storage modules 100 in the first energy storage layer 10.
Therefore, each electricity storage module 100 meets the condition that W/D is more than or equal to 0.5 and less than or equal to 2, the electricity storage modules 100 can be more easily arranged into more required shapes, namely, the shape of the first energy storage layer 10 can be more flexibly determined according to the actual terrain condition of an installation site.
According to the electricity storage module of the energy storage system, the independent shell 110 meets the requirements that W/D is more than or equal to 0.5 and less than or equal to 2 along the first transverse direction and the second transverse direction, so that the energy storage system can arrange the electricity storage modules 100 into a proper shape more flexibly according to the actual terrain condition of an installation site and the capacity requirement of a user, the arrangement of the energy storage system 1 is more flexible and changeable, and can be matched with the installation site, the requirements on the installation site are reduced conveniently, the installation arrangement of the energy storage system 1 is facilitated, and different power and capacity requirements of the user are met conveniently.
In some embodiments, as shown in fig. 17, the longitudinal (e.g., in the up-down direction shown in fig. 17) dimension of the power storage module 100 is H, and satisfies: W/H is more than or equal to 0.19 and less than or equal to 0.67. In some embodiments, the dimensions H and D of the power storage module 100 satisfy: H/D is more than or equal to 1.5 and less than or equal to 5.4. In the above size proportion range, the transverse size of the electricity storage module 100 is smaller, especially compared with the transverse size of a container in the related art, under the condition that the longitudinal height is the same, the transverse size of the electricity storage module 100 can be much smaller, so that the electricity storage module 100 can be more flexibly assembled into a shape and a number according to the actual site and the requirements of electric capacity, and the like, namely, the shape and the electric capacity of the energy storage system 1 formed by a plurality of electricity storage modules 100 can be flexibly adjusted, so as to meet the changeable requirements of different customers and different installation sites, the platform of the electricity storage module 100 is realized, the electricity storage module 100 can be designed without being redeveloped for different customers and different installation sites, and only the number and the arrangement mode of the electricity storage modules 100 are adjusted, the workload is reduced, and the design efficiency of the energy storage system 1 is improved.
It should be noted that, in some embodiments, the top and the bottom of the independent housing 110 do not need to be provided with additional matching structures, and the longitudinal dimension of the independent housing 110 is the longitudinal dimension of the power storage module 100.
In other embodiments, as shown in fig. 17, the power storage module 100 may further include a top cover 150, and the top cover 150 is disposed on the top of the independent housing 110 to shield components such as the electrical connection structure exposed on the top of the independent housing 110 for protection. In this embodiment, the longitudinal dimension of the power storage module 100 may be the sum of the longitudinal dimensions of the separate housing 110 and the top cover 150.
In some embodiments, the dimension D of the individual case 110 in the first transverse direction may satisfy 500mm ≦ D ≦ 1200mm, such as 600mm, 700mm, 800mm, 900mm, 1000mm, and 1100 mm. Within the above size range, the accommodating space requirement of the internal battery pack 120 is satisfied, and the size of the independent housing 110 in the first transverse direction is smaller, especially compared with the container in the related art, the size in the first transverse direction is greatly reduced, so that the power storage modules 100 can be combined and spliced more flexibly, and the installation requirement of a more complex installation site, for example, the installation requirement of a slender strip-shaped site, can be satisfied.
In some embodiments, the dimension W of the individual housings 110 in the second transverse direction can satisfy 450mm W1100 mm, such as 500mm, 600mm, 700mm, 800mm, 900mm, and 1000 mm. In the above size range, the accommodating space requirement of the internal battery pack 120 is met, sufficient space is provided for maintaining the battery pack 120 through the cavity opening of the accommodating cavity 113 in the later period, the independent shell 110 is smaller along the second transverse size, and particularly, compared with a container in the related art, the independent shell 110 is smaller, so that the electricity storage modules 100 can be combined and spliced more flexibly, and the installation requirement of a more complex installation site is met.
In some embodiments, the dimension H of the power storage module 100 in the longitudinal direction may satisfy 1500mm ≦ H ≦ 2700mm, such as 1600mm, 1800mm, 2000mm, 2200mm, 2400mm, and 2600 mm. Within the above size range, the longitudinal size of the power storage module 100 is smaller than that of the container, so that the energy storage system 1 is suitable for a shorter space, or the installation requirements of spaces of different heights are met by stacking a plurality of power storage modules 100 in the longitudinal direction.
In some embodiments, as shown in fig. 1, 6 to 16, the plurality of electric storage modules 100 includes the first energy storage layer 10 arranged in a set direction in which the independent housings 110 of the adjacent electric storage modules 100 are independent of each other. For example, the plurality of power storage modules 100 includes a plurality of first energy storage layers 10 stacked in an up-down direction, each of the first energy storage layers 10 is arranged in a specific shape in a horizontal direction, and the shape of the first energy storage layers 10 may be determined according to an actual topographic condition of an installation site.
According to the energy storage system 1 provided by the embodiment of the utility model, the plurality of independent energy storage modules 100 are arranged, and the transverse size of each energy storage module 100 meets the requirements that W/D is more than or equal to 0.5 and less than or equal to 2, so that 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, the arrangement of the energy storage system 1 is more flexible and changeable, and can be matched with the installation site, the requirements on the installation site are reduced conveniently, the installation arrangement of the energy storage system 1 is facilitated, and different power and capacity requirements of the user are met conveniently.
Compared with a container type energy storage system, the utility model can flexibly set the number of the electricity storage modules 100 according to the capacity requirement, avoid the waste of the space in the container caused by the insufficient filling of the battery pack 120, facilitate the improvement of the energy density of the energy storage system 1, reduce the cost of the energy storage system 1 and reduce the occupied space of the energy storage system 1. 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 the power storage module 100 is in a fire, the internal condition of the power storage module 100 can be detected in time, and the fire condition is prevented from being expanded due to detection delay. Meanwhile, the independent power storage module 100 can isolate the fire in the power storage module 100, so that the power storage module 100 is convenient to carry out fire fighting operation, the pertinence and the effectiveness of fire fighting are improved, substances such as flame and fire extinguishing media can be prevented from diffusing to other adjacent power storage modules 100, and the loss caused by fire is reduced.
Therefore, the energy storage system 1 according to the embodiment of the utility model has the advantages that the arrangement can be performed according to the shape of the site, the arrangement of the energy storage system 1 is more flexible and changeable, 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 17, the energy storage system 1 according to the embodiment of the present invention includes a plurality of energy 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, the power storage module 100 includes the 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 portions 20 are connected to the connection terminals 130 of the respective power storage modules 100 in turn.
In some embodiments of the present invention, the electric storage module 100 has the fire extinguishing unit 140, the fire extinguishing unit 140 is provided to spray the fire extinguishing medium toward the target electric storage module 100, and the fire extinguishing medium is confined by the independent closed space formed by the independent housings 110 of the target electric storage module 100, thereby preventing the fire extinguishing medium from spreading toward other electric storage modules 100 adjacent to the target electric storage module 100. Therefore, the fire extinguishing unit 140 can be used for extinguishing the fire of the electricity storage module 100 in time and pertinently, the fire extinguishing effect is improved, the loss of the fire is reduced, flame, fire extinguishing medium and the like can be effectively prevented from diffusing to other adjacent electricity storage modules 100 of the target electricity storage module 100, and the other electricity storage modules 100 are prevented from generating the fire.
It is to be understood here that the extinguishing medium can be water or extinguishing gas.
In some alternative examples, the fire extinguishing unit 140 is independently configured corresponding to each power storage module 100. Thus, each power storage module 100 may be provided with a respective fire extinguishing unit 140 in order to ensure the fire fighting needs of each power storage module 100, improving the timeliness and pertinence of fire extinguishing measures.
Alternatively, the fire extinguishing unit 140 may include a water spray and a gas spray, etc. The energy storage system 1 has a fire fighting connection 40, the fire fighting connection 40 being connected with the fire extinguishing unit 140 of each of the energy storage modules 100 in such a manner as to be at least partially arranged outside the independent housing 110 to supply water and fire extinguishing gas to each of the energy storage modules 100.
In some embodiments of the utility model, 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 for cooling the energy storage modules 100. Therefore, the cooling medium of the plurality of electricity storage modules 100 can be conveniently communicated, the energy storage system 1 is formed into an integral cooling system, the independent shell 110 is conveniently sealed, the cooling connecting part 30 can be prevented from occupying too much space in the independent shell 110, and the energy density of the electricity storage modules 100 can be conveniently improved.
Alternatively, the power storage module 100 includes a cooling unit for cooling the battery pack 120, the cooling unit having a cooling interface exposed from the separate case 110, and the cooling connection 30 is integrally located outside the separate case 110 and connected to the cooling interface. The cooling connection 30 thus connects the cooling units 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 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, in the first energy storage layer 10, adjacent two energy storage modules 100 abut each other. This facilitates the arrangement of the plurality of power storage modules 100 in a specific shape, makes the energy storage system 1 more reasonable and compact, and minimizes the occupied space.
Alternatively, a plurality of the power storage modules 100 may be connected by a structure such as a base, or two adjacent power storage modules 100 may be connected by a locking structure of each power storage module 100.
In some specific examples, in the first energy storage layer 10, adjacent side walls of the independent housings 110 of adjacent two power storage modules 100 are fitted. Therefore, the structural compactness of the energy storage system 1 can be further improved, the occupied space is reduced as much as possible, and the energy density of the energy storage system 1 is improved.
In other specific examples, in the first energy storage layer 10, adjacent side walls of the independent housings 110 of two adjacent power storage modules 100 are spaced apart by a distance of not more than 10 cm. This facilitates not only the arrangement of the plurality of power storage modules 100 but also the maintenance and replacement of a specific power storage module 100 when it is damaged.
In some embodiments of the utility model, the first energy storage layer 10 comprises a first module row 11 extending in a first horizontal direction. That is, the plurality of power storage modules 100 in the first energy storage layer 10 may be linearly arranged in the first module row 11 in the first horizontal direction. This facilitates the arrangement of the energy storage system 1 in a relatively narrow space.
In some alternative embodiments, there are two first module rows 11, and the two first module rows 11 are symmetrically arranged along the first horizontal direction. That is, the two first module rows 11 are arranged back-to-back with the side walls of adjacent ones of the two first modules 11 abutting each other and the side walls of opposite sides being arranged outwardly away from each other. For example, the first module row 11 includes 5 power storage modules 100, and the 5 power storage modules 100 in the first module row 11 and the 5 power storage modules 100 in the second first module row 11 are arranged in a one-to-one correspondence, where the side walls of the independent housings of each power storage module 100 having openings are arranged in a direction away from each other and the side walls of the opposite sides are arranged in abutment with the side walls of the corresponding power storage modules 100.
In other embodiments of the present invention, the first energy storage layer 10 further includes 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.
In other embodiments of the present invention, the first energy storage layer 10 further comprises a second module row 12 extending in a second horizontal direction, and the middle of the first module row 11 is connected to one end of the second module row 12. That is, the first module row 11 and the second module row 12 are connected to form a T-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.
In some alternative embodiments, there are two second module rows 12, and two second module rows 12 are symmetrically arranged along the second horizontal direction. This not only allows more power storage modules 100 to be provided, but also ensures that the door 112 of each power storage module 100 can be opened smoothly toward the outside.
In still other embodiments of the present invention, the first energy storage layer 10 further comprises a second module row 12 extending in a second horizontal direction, the first module row 11 perpendicularly crossing the second module row 12. That is, the first module row 11 and the second module row 12 are connected in a cross-shaped structure, and specifically, the first module row 11 is divided into a first section and a second section, and the second module row 12 is divided into a third section and a fourth section, wherein one end of each of the first section, the second section, the third section and the fourth section is adjacent to each other and the other end extends linearly.
In still other embodiments of the present invention, the first energy storage layer 10 includes a plurality of first module rows 11, and the plurality of first module rows 11 are connected end to form a closed loop. For example, the plurality of first module rows 11 of the first energy storage layer 10 may be formed in a triple-deformed or hexagonal shape.
In the embodiment of the present invention, the first energy storage layer 10 is plural, and the plural first energy storage layers 10 are stacked in the vertical direction. Therefore, the space in the vertical direction can be fully utilized, more electricity storage modules 100 can be conveniently arranged in the energy storage system 1, and the electricity storage quantity of the energy storage system 1 is improved.
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 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 terms "embodiment," "particular embodiment," "example," etc., 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 (12)
1. An electricity storage module of an energy storage system, comprising: independent shell with locate group battery in the independent shell, independent shell includes:
a case body defining a receiving cavity for receiving the battery pack;
the door body is arranged on one side of the shell body along the first transverse direction, wherein,
the size of the independent shell along the first transverse direction is D, the size of the independent shell along the second transverse direction is W, W/D is more than or equal to 0.5 and less than or equal to 2, and the second transverse direction is perpendicular to the first transverse direction.
2. An electricity storage module for an energy storage system according to claim 1, characterized in that the longitudinal dimension of the electricity storage module is H and satisfies:
W/H is more than or equal to 0.19 and less than or equal to 0.67; and/or, H/D is more than or equal to 1.5 and less than or equal to 5.4.
3. The power storage module of the energy storage system according to claim 1, further comprising:
the top cover covers the top of the independent shell, and the sum of the longitudinal sizes of the independent shell and the top cover is the longitudinal size of the electricity storage module.
4. The electric storage module of the energy storage system according to claim 2,
450mm≤W≤1100mm,500mm≤D≤1200mm,1500mm≤H≤2700mm。
5. an energy storage system, comprising:
a plurality of the electric storage modules according to any one of claims 1 to 4, comprising a first energy storage layer arranged in a set direction, wherein the independent housings of adjacent electric storage modules are independent of each other.
6. The energy storage system of claim 5, wherein the energy storage system has an electrical connection connecting at least two of the energy storage modules at least partially disposed outside of the independent housing.
7. The energy storage system of claim 6, wherein the electrical storage module includes a terminal exposed from the separate housing, the electrical connection being integrally located outside the separate housing and connecting the terminal.
8. The energy storage system according to claim 5, wherein the electric storage module has a fire extinguishing unit that is provided to spray a fire extinguishing medium to a target electric storage module and the fire extinguishing medium is confined by an independent closed space formed by the independent housing of the target electric storage module, thereby preventing the fire extinguishing medium from spreading to other electric storage modules adjacent to the target electric storage module.
9. The energy storage system of claim 8, wherein the fire suppression units are independently configured for each of the electrical storage modules.
10. The energy storage system of claim 5, wherein the energy storage system has a cooling connection connecting at least two of the electrical storage modules at least partially disposed outside the independent housing to cool the electrical storage modules.
11. The energy storage system of claim 10,
the energy storage system has an electrical connection which connects at least two of the energy storage modules in such a way that it is at least partially arranged outside the separate housing,
the electrical connection portion is disposed on a first side of the plurality of electric storage modules, the cooling connection portion is disposed on a second side of the plurality of electric storage modules, and the first side and the second side are adjacent sides or opposite sides of the plurality of electric storage modules; or,
the electrical connection portion and the cooling connection portion are disposed on the same side of the plurality of power storage modules, but the electrical connection portion and the cooling connection portion are isolated from each other.
12. The energy storage system of claim 5, wherein in the first energy storage layer, two adjacent ones of the energy storage modules abut each other.
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Address after: 361006 room 201-1, complex building 5, No. 11, Butang Middle Road, industrial base, Xiamen Torch High tech Zone (Tongxiang), Xiamen, Fujian Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: 361006 room 201-1, complex building 5, No. 11, Butang Middle Road, industrial base, Xiamen Torch High tech Zone (Tongxiang), Xiamen, Fujian Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |