CN215989109U - Storage battery energy storage system - Google Patents
Storage battery energy storage system Download PDFInfo
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- CN215989109U CN215989109U CN202121353758.5U CN202121353758U CN215989109U CN 215989109 U CN215989109 U CN 215989109U CN 202121353758 U CN202121353758 U CN 202121353758U CN 215989109 U CN215989109 U CN 215989109U
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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
Abstract
The application provides a battery energy storage system. The storage battery energy storage system comprises a shell, a battery module and a supporting assembly, wherein the battery module is positioned in the shell and comprises a battery cell module and a busbar assembly, a first end of the busbar assembly is connected with a lug of the battery cell module, and the supporting assembly is detachably connected between the inner wall of the shell and a second end of the busbar assembly so as to support and fix the busbar assembly; female subassembly detachably of arranging connects in supporting component, and arranges insulating between subassembly and the supporting component. The storage battery energy storage system has strong safety performance.
Description
Technical Field
The application relates to the technical field of energy storage, in particular to a storage battery energy storage system.
Background
In order to meet the electricity demand of different places, the Storage Battery Energy Storage System (Battery Energy Storage System, BESS) is most widely applied at present because the Storage Battery Energy Storage System has the advantages of low cost, mature technology, high charge-discharge multiple, capability of being used as distributed Energy Storage and the like.
Present Battery energy storage System generally includes the shell, Battery module and Battery Management System (Battery Management System, BMS), wherein, Battery module sets up in the shell, the BMS sets up on the shell, Battery module includes electric core module and female subassembly of arranging, female subassembly of arranging includes that first female arranging and second are female to arrange, the one end that first female arranged links to each other with the anodal utmost point ear of electric core module, the female one end that arranges of second links to each other with the negative pole utmost point ear of electric core module, therefore, certain space has between Battery module and the BMS, first female arranging and female unsettled of second in this space, there is certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The application provides a battery energy storage system, has stronger security performance.
The application provides a storage battery energy storage system which comprises a shell, a battery module and a supporting assembly, wherein the battery module is positioned in the shell and comprises a battery cell module and a busbar assembly, a first end of the busbar assembly is connected with a lug of the battery cell module, and the supporting assembly is detachably connected between the inner wall of the shell and a second end of the busbar assembly so as to support and fix the busbar assembly; female subassembly detachably of arranging connects in supporting component, and arranges insulating between subassembly and the supporting component.
Optionally, in the battery energy storage system provided by the present application, the support assembly includes an insulating connector and a support member, and the support member is supported between the insulating connector and an inner wall of the housing; the busbar assembly is detachably connected to the insulating connecting piece.
Optionally, in the battery energy storage system that this application provided, female row subassembly includes that first female arranging and second are female arranges, first female arranging is used for linking to each other with one in the anodal utmost point ear of electric core module and the negative pole utmost point ear, female arranging of second is used for linking to each other with another in the anodal utmost point ear of electric core module and the negative pole utmost point ear, insulating connecting piece has the connection face, first female arranging and the female all butt of second are in connecting the face, and first female arranging and the female mutual contactless of arranging of second.
Optionally, in the storage battery energy storage system provided by the application, the connection surface is provided with at least two first connection holes, the first bus bar and the second bus bar are respectively arranged corresponding to the two first connection holes, and the axial direction of the first connection holes is consistent with the height direction of the support assembly; the storage battery energy storage system also comprises two first connecting pieces, the first connecting pieces correspond to the first connecting holes one by one, the first connecting pieces are detachably connected with the busbar assembly, and the first connecting pieces penetrate through the first connecting holes so as to detachably connect the busbar assembly with the insulating connecting pieces; or, connect and have the joint structure on the face, first female arranging and the female joint with joint structure joint respectively of second to female subassembly and the insulating connecting piece of arranging is connected in the block.
Optionally, in the battery energy storage system provided by the application, the connection surface is provided with at least two first connection holes, and the first connection holes are threaded holes; the supporting assembly further comprises a limiting piece, a limiting through hole is formed in the insulating connecting piece, the axial direction of the limiting through hole is consistent with the height direction of the supporting assembly, and the shape of the limiting through hole is matched with the shape of the limiting piece; the limiting piece is embedded in the limiting through hole and is in interference fit with the limiting through hole; the first connecting hole is arranged on the limiting piece.
Optionally, in the battery energy storage system provided by the present application, the support assembly further includes a support member and a second connector, a first end of the support member is detachably connected to the insulating connector through the second connector, and a second end of the support member is detachably connected to the inner wall of the housing.
Optionally, in the storage battery energy storage system provided by the application, a second connection hole is further formed in the connection surface, the second connection hole is located between the two first connection holes, and the axial direction of the second connection hole is consistent with the axial direction of the first connection hole; the first end of the supporting piece is provided with a fixing part, the extending direction of the fixing part is consistent with the axial direction of the second connecting hole, and the fixing part extends into the second connecting hole so that the insulating connecting piece is pressed on the supporting piece; the fixed part is provided with a fixed hole, the axial directions of the fixed hole and the second connecting piece are consistent with the axial direction of the second connecting hole, and the second connecting piece sequentially penetrates through the second connecting hole and the fixed hole so as to be detachably connected with the insulating connecting piece and the supporting piece.
Optionally, in the storage battery energy storage system provided by the application, the opposite two sides of the insulating connecting piece are respectively provided with a limiting flange, the busbar assembly is provided with a contact surface abutted against the insulating connecting piece, and the extending direction of the limiting flange is parallel to the extending direction of the contact surface; the first end of the supporting piece is also provided with two resisting parts, the resisting parts are arranged corresponding to the limiting flanges, and the limiting flanges are abutted against the resisting parts so as to limit the relative position between the insulating connecting piece and the supporting piece.
Optionally, in the battery energy storage system that this application provided, support piece includes installation department and two at least supporting parts, and two at least supporting parts are all connected in the one end of installation department, and the other end and the insulating connecting piece looks butt of installation department.
Optionally, in the battery energy storage system provided in the present application, the battery energy storage system further includes a battery management system, the battery management system is disposed on the housing, and the battery management system has a power harness, and an end of the power harness is electrically connected to the busbar assembly at the insulating connection member.
The storage battery energy storage system comprises a shell, a battery module and a supporting assembly, wherein the battery module is positioned in the shell and comprises a battery cell module and a busbar assembly, a first end of the busbar assembly is connected with a lug of the battery cell module, and the supporting assembly is detachably connected between the inner wall of the shell and a second end of the busbar assembly so as to support and fix the busbar assembly; the supporting component comprises an insulating connecting piece, and the busbar component is detachably connected to the insulating connecting piece. The application provides a battery energy storage system can prevent female contact of arranging subassembly and the inner wall of shell to promote battery energy storage system's security performance.
The construction of the present application and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a battery energy storage system according to an embodiment of the present disclosure;
fig. 2 is a schematic perspective view of a partial structure of a battery energy storage system according to an embodiment of the present disclosure;
FIG. 3a is a schematic view of a portion of the structure of FIG. 2;
fig. 3b is an exploded view of a support assembly in a battery energy storage system according to an embodiment of the present disclosure;
fig. 4a is a schematic plan view of another partial structure of a battery energy storage system provided in the embodiment of the present application;
FIG. 4b is a cross-sectional view taken along A-A of FIG. 4 a;
FIG. 5a is a schematic perspective view of FIG. 4 a;
fig. 5B is an enlarged view of a portion of the structure at B in fig. 5 a.
Description of reference numerals:
1-a housing; 2-a support assembly; 21-an insulating connector; 211-connection face; 2111-first connection hole; 2112-cavity; 212-a limiting through hole; 213-a position-defining flange; 22-a stop; 23-a support; 231-a fixing part; 2311-fixing holes; 232-a resisting part; 233-mounting part; 2331-round hole; 234-a support; 2341-flanging; 2342-strip shaped holes; 2343-projection; 2344-third connecting hole; 24-a second connector; 3-a busbar assembly; 31-a first busbar; 311-a first busbar connection part; 312 — a first via; 32-a second busbar; 321-a second busbar connecting part; 322-a second via; 4-a battery management system; 41-power wiring harness; 41 a-a first power harness; 41 b-a second power harness; 5, collecting a wire harness at a temperature; 6-voltage acquisition wiring harness; 7-a first connector; 8-third connecting member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in 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 present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that, in the description of the present application, the terms "first" and "second" are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The conventional Battery Energy Storage System (BESS) generally comprises a housing, a Battery module and a Battery Management System (BMS), wherein the Battery module is arranged in the housing, the BMS is arranged on the housing, the Battery module comprises a Battery cell module and a busbar assembly, the busbar assembly comprises a first busbar and a second busbar, one end of the first busbar is connected with an anode tab of the Battery cell module, one end of the second busbar is connected with a cathode tab of the Battery cell module, a certain space is formed between the Battery module and the BMS, the first busbar and the second busbar are suspended in the air in the space, and certain potential safety hazards exist; therefore, in the existing BESS, the other end of the first busbar and the other end of the second busbar are easily contacted with the inner wall of the shell, so that the BESS has certain potential safety hazard.
From this, this application provides a battery energy storage system, through set up corresponding supporting component between the inner wall at first female row and second mother and shell to prevent that the inner wall contact of first female row and second mother and shell ensures that BESS has stronger security performance.
Fig. 1 is a schematic perspective view of a battery energy storage system according to an embodiment of the present application. Fig. 2 is a schematic perspective view of a partial structure of a battery energy storage system according to an embodiment of the present application.
As shown in fig. 1 and fig. 2, the storage battery energy storage system provided in this embodiment of the present application includes a housing 1, a battery module, a battery management system 4, and a support assembly 2, where the battery module is located in the housing 1, the battery module includes a battery cell module and a busbar assembly 3, the battery cell module includes a plurality of stacked battery cells, a first end of the busbar assembly 3 is connected to a tab of the battery cell module, and specifically, the first end of the busbar assembly 3 is connected to the tab of the battery cell module by a welding connection method, such as laser welding, ultrasonic welding, and the like; the supporting component 2 is detachably connected between the inner wall of the shell 1 and the second end of the busbar component 3 so as to support and fix the busbar component 3; the busbar assembly 3 is detachably connected to the supporting assembly 2, and the busbar assembly 3 is insulated from the supporting assembly 2; the battery management system 4 is provided on the housing 1. The battery energy storage system that this embodiment provided through setting up supporting component 2 between female subassembly 3 and shell 1 arranging to make supporting component 2 support female subassembly 3 arranging, prevent female subassembly 3 and shell 1's inner wall contact, in order to ensure that battery energy storage system has stronger security performance.
Further, the housing 1 may include a metal housing body and an insulating glue or an insulating paper disposed on the metal housing body, and no matter when the busbar assembly 3 contacts the metal housing body or the insulating glue or the insulating paper, the service performance of the battery module may be affected, for example, when the busbar assembly 3 contacts the metal housing body, a short current may occur; here, specific influence on the battery module when the busbar assembly 3 contacts the case 1 will not be described.
It should be noted that the battery module further includes a temperature collecting harness 5 and a voltage collecting harness 6; a first end of the temperature acquisition wire harness 5 is electrically connected with the battery management system 4, a second end of the temperature acquisition wire harness 5 is provided with a temperature acquisition terminal, the temperature acquisition terminal is fixed on the battery core, the temperature acquisition wire harness 5 can acquire the temperature of the battery core through the temperature acquisition terminal and transmit the temperature to the battery management system 4, so that the battery management system 4 can acquire real-time temperature parameters of the battery core module to control and manage the battery core module; a first end of a voltage acquisition wiring harness 6 is electrically connected with the battery management system 4, a second end of the voltage acquisition wiring harness 6 is provided with a voltage acquisition terminal, the voltage acquisition terminal is fixed on the busbar assembly 3, the voltage acquisition wiring harness 6 can acquire a current-voltage signal on the busbar assembly 3 through the voltage acquisition terminal and transmit the current-voltage signal to the battery management system 4, so that the battery management system 4 can acquire real-time current-voltage parameters of the battery cell module to control and manage the battery cell module; here, the battery module will not be further described.
As shown in fig. 2, the busbar assembly 3 includes a first busbar 31 and a second busbar 32, the first busbar 31 is used for connecting with one of a positive electrode tab and a negative electrode tab of a cell module, and the second busbar 32 is used for connecting with the other of the positive electrode tab and the negative electrode tab of the cell module; and the first busbar 31 and the second busbar 32 are not in contact with each other.
It should be noted that the first busbar 31 and the second busbar 32 may be aluminum busbars or copper busbars, in this embodiment, the first busbar 31 and the second busbar 32 are both copper busbars, and here, specific types of the first busbar 31 and the second busbar 32 are not limited.
Fig. 3a is a partial schematic structural diagram of fig. 2. Fig. 3b is an exploded view of a support assembly in a battery energy storage system according to an embodiment of the present disclosure.
As shown in fig. 3a and 3b, in order to assemble and install the support assembly 2, in a specific embodiment of the present embodiment, the support assembly 2 includes an insulating connector 21 and a support 23, the support 23 is supported between the insulating connector 21 and the inner wall of the housing 1, and the insulating connector 21 is detachably connected to the support 23; the busbar assembly 3 is detachably connected to the insulating connector 21; the support 23 is detachably connected to the housing 1. In this way, the insulating connecting piece 21 and the supporting piece 23 are detachably connected, the busbar assembly 3 is detachably connected with the insulating connecting piece 21, and the supporting piece 23 is detachably connected with the shell 1, so that the insulating connecting piece 21 and the supporting piece 23 are conveniently assembled together, and the supporting assembly 2 is conveniently arranged between the busbar assembly 3 and the shell 1.
It should be noted that the insulating connecting member 21 may be a plastic member, and the specific type of the insulating connecting member 21 is not limited herein.
In order to connect the first busbar 31 and the second busbar 32 to the insulating connector 21, in a specific embodiment of the present embodiment, the insulating connector 21 has a connection surface 211, and both the first busbar 31 and the second busbar 32 abut against the connection surface 211; specifically, the first busbar 31 has a first busbar connecting portion 311, the second busbar 32 has a second busbar connecting portion 321, the end surface of the first busbar connecting portion 311 facing the insulating connecting member 21 is a first contact surface, the first contact surface is parallel to the connecting surface 211, the end surface of the second busbar connecting portion 321 facing the insulating connecting member 21 is a second contact surface, the second contact surface is parallel to the connecting surface 211, and the first contact surface and the second contact surface form a contact surface of the busbar assembly 3.
Fig. 4a is a schematic plan structure diagram of another partial structure of a battery energy storage system according to an embodiment of the present application. Fig. 4b is a cross-sectional view along a-a of fig. 4 a.
As shown in fig. 3b, 4a and 4b, in some optional embodiments, the connection surface 211 has at least two first connection holes 2111, the first busbar 31 has a first through hole 312, the second busbar 32 has a second through hole 322, the first through hole 312 and the second through hole 322 are respectively disposed corresponding to the two first connection holes 2111, the axial direction of the first connection hole 2111 is consistent with the height direction of the support assembly 2, specifically, the battery energy storage system provided in this embodiment further includes two first connection members 7, the first connection members 7 are in one-to-one correspondence with the first connection holes 2111, the first connection members 7 are detachably connected to the busbar assembly 3, and the first connection members 7 are inserted into the first through holes 312 (the second through holes 322) and the corresponding first connection holes 2111 to detachably connect the busbar assembly 3 and the insulating connection member 21.
Fig. 5a is a schematic perspective view of fig. 4 a. Fig. 5B is an enlarged view of a portion of the structure at B in fig. 5 a.
As shown in fig. 5a and 5b, in a specific embodiment of the present embodiment, the battery management system 4 has a power harness 41, the power harness 41 includes a first power harness 41a and a second power harness 41b, the first power harness 41a is disposed corresponding to the first busbar 31, the second power harness 41b is disposed corresponding to the second busbar 32, an end of the first power harness 41a is electrically connected to the first busbar connecting portion 311 at the insulating connecting member 21, and an end of the second power harness 41b is electrically connected to the second busbar connecting portion 321 at the insulating connecting member 21.
In other optional embodiments, connect and have the joint structure on the face 211, first female row 31 and the female 32 of second arrange respectively with the joint structure joint, connect female subassembly 3 and insulating connecting piece 21 of arranging with the block, it is concrete, the joint structure can be the card protruding, it is corresponding, first female arranging 31 and the female recess that can set up the correspondence on arranging 32 of second, in order to realize the protruding block connection with the recess of card, and then realize female block connection who arranges subassembly 3 and insulating connecting piece 21, here, do not specifically limit to the joint structure.
In order to reduce the complexity of molding the insulating connector 21, in a specific embodiment of the present embodiment, the busbar assembly 3 is detachably connected to the insulating connector 21 through the first connector 7.
Further, the first connecting element 7 may be a fastening screw, and when the first connecting element 7 is a fastening screw, the first connecting hole 2111 is a threaded hole, and since it is not convenient to form a threaded hole on the plastic element, a non-plastic structural element, such as a metal element, needs to be disposed on the insulating connecting element 21 to facilitate forming the threaded hole; alternatively, a structural member having a screw hole itself may be provided on the insulating connector 21, as will be described in detail in the following embodiments.
Specifically, the supporting component 2 further includes a limiting member 22, the insulating connecting member 21 is provided with a limiting through hole 212, the axial direction of the limiting through hole 212 is consistent with the height direction of the supporting component 2, the shape of the limiting through hole 212 is matched with the shape of the limiting member 22, the limiting member 22 is embedded in the limiting through hole 212, and the limiting member 22 and the limiting through hole 212 are in interference fit; the limiting member 22 is a metal member, and the first connection hole 2111 is disposed on the limiting member 22, in the specific embodiment of the present embodiment, the limiting member 22 is a nut, and the limiting through hole 212 is a hexagonal hole; thus, since the nut is self-threaded, it is possible to avoid forming a threaded hole in the insulating connector 21.
It should be noted that the above-mentioned limiting member 22 may also be other metal members besides a nut, and as long as it is convenient to form a threaded hole in the limiting member 22, the purpose of the present embodiment can be achieved, and here, the specific type of the limiting member 22 is not limited.
As shown in fig. 3b, in order to reduce the material consumption of the insulating connection member 21 and the manufacturing cost of the insulating connection member 21, in the specific embodiment of the present embodiment, two sets of cavities 2112 are further formed on the connection surface 211, each set of cavities 2112 includes a plurality of cavities 2112 surrounding the outside of the limiting through hole 212, where the cavities 2112 may be a bottom or a bottom, and the specific shape of the cavities 2112 is not limited.
As shown in fig. 3b, in order to realize the detachable connection of the insulating connector 21 and the supporting member 23, in some alternative embodiments, the supporting member 2 further includes a second connector 24, a first end of the supporting member 23 is detachably connected to the insulating connector 21 through the second connector 24, and a second end of the supporting member 23 is detachably connected to the inner wall of the housing 1.
In a specific embodiment of the present embodiment, the supporting member 23 is a sheet metal part; the second connecting member 24 is a threaded fastener, such as a fastening screw.
In order to achieve a detachable connection between the insulating connector 21 and the support 23, in some embodiments, the connection surface 211 is further opened with a second connection hole 2113, the second connection hole 2113 is located between two first connection holes 2111, and the second connection hole 2113 has an axial direction identical to that of the first connection hole 2111, and the second connection member 24 passes through the second connection hole 2113 to detachably connect the insulating connection member 21 and the supporting member 23, specifically, the second connection hole 2113 is a through hole, and since the second connection hole 2113 is a through hole formed in a plastic member, the inner wall of the second coupling hole 2113 is difficult to be threaded, under the restriction of the plastic member, and therefore, a corresponding threaded hole needs to be provided in the supporting member 23, so that the second connection member 24 sequentially passes through the second connection hole 2113 and the screw hole of the support member 23, the detachable connection between the insulating connection member 21 and the support member 23 can be achieved.
Since the sheet metal part has a small thickness, the detachable connection between the insulating connector 21 and the supporting member 23 can be achieved only by providing a corresponding protrusion on the supporting member 23, which is matched with the second connecting hole 2113 and has a certain height, and forming a threaded hole on the protrusion, for this reason, in a specific embodiment of the present embodiment, the first end of the supporting member 23 is provided with the fixing portion 231, the extending direction of the fixing portion 231 is consistent with the axial direction of the second connecting hole 2113, and the fixing portion 231 extends into the second connecting hole 2113, so that the insulating connector 21 is pressed against the supporting member 23; fixing hole 2311 is formed in the fixing portion 231, the fixing hole 2311 is a threaded hole, the axial directions of the fixing hole 2311 and the second connecting piece 24 are consistent with the axial direction of the second connecting hole 2113, and the second connecting piece 24 sequentially penetrates through the second connecting hole 2113 and the fixing hole 2311 to detachably connect the insulating connecting piece 21 and the supporting piece 23. In this way, the detachable connection of the insulating connector 21 and the support 23 can be achieved.
In order to determine the relative position between the insulating connector 21 and the supporting member 23, so as to facilitate the assembling of the insulating connector 21 and the supporting member 23, a corresponding limiting structure should be provided to limit the relative position between the insulating connector 21 and the supporting member 23, for this reason, in a specific embodiment of the present embodiment, two opposite sides of the insulating connector 21 are respectively provided with a limiting flange 213, and the extending direction of the limiting flange 213 is parallel to the extending direction of the contact surface; the first end of the supporting member 23 is further provided with two abutting portions 232, the abutting portions 232 are arranged corresponding to the limiting flanges 213, the extending direction of the abutting portions 232 is consistent with the extending direction of the fixing portion 231, and the limiting flanges 213 abut against the abutting portions 232 to limit the relative position between the insulating connecting member 21 and the supporting member 23; in this way, not only the relative position between the insulating connector 21 and the support 23 in the thickness direction of the support assembly 2 can be restricted, but also the relative position between the insulating connector 21 and the support 23 in the height direction of the support assembly 2 can be restricted to facilitate the assembly of the insulating connector 21 and the support 23.
As shown in fig. 3b, in some alternative embodiments, the supporting member 23 includes a mounting portion 233 and at least two supporting portions 234, the at least two supporting portions 234 are respectively connected to one end of the mounting portion 233, and the other end of the mounting portion 233 abuts against the insulating connecting member 21.
In a specific embodiment of this embodiment, the supporting member 23 includes a mounting portion 233 and two supporting portions 234, the two supporting portions 234 are respectively connected to two opposite sides of the mounting portion 233, an extending direction of the mounting portion 233 is perpendicular to an extending direction of the fixing portion 231, the two supporting portions 234 are respectively disposed at two sides of the mounting portion 233 along its own extending direction, and the extending direction of the supporting portions 234 is identical to the extending direction of the fixing portion 231; so that the mounting part 233 and the two supporting parts 234 have a "U" shape.
Further, a first end of the supporting portion 234 is connected to the mounting portion 233, a second end of the supporting portion 234 forms a flange 2341, an extending direction of the flange 2341 is consistent with an extending direction of the mounting portion 233, optionally, the flange 2341 may be disposed on an opposite side of the corresponding supporting portion 234 and the other supporting portion 234, the flange 2341 may also be disposed on an opposite side of the corresponding supporting portion 234 and the other supporting portion 234, and in a specific embodiment of the embodiment, the flange 2341 may be disposed on an opposite side of the corresponding supporting portion 234 and the other supporting portion 234.
In order to realize the removable connection between support member 23 and housing 1, in order to can dismantle connection supporting component 2 and housing 1, in this embodiment, battery energy storage system still includes third connecting piece 8, equally, because the thickness of sheet metal component is less, therefore, in this embodiment, have bulge 2343 on turn-ups 2341, the direction of protrusion of bulge 2343 is unanimous with the extending direction of fixed part 231, third connecting hole 2344 has been seted up on bulge 2343, the axial of third connecting hole 2344 and the axial of third connecting piece 8 all are unanimous with the extending direction of fixed part 231, third connecting piece 8 passes third connecting hole 2344, in order to can dismantle connection supporting component 2 and housing 1.
It should be noted that the third connecting member 8 may be a fastening screw.
In order to reduce the mass of the supporting member 23 and avoid the excessive load of the housing 1, in the specific implementation manner of this embodiment, two round holes 2331 are formed in the mounting portion 233, the two round holes 2331 correspond to the two first connecting holes 2111 one to one, the supporting portion 234 is formed with a strip-shaped hole 2342, the extending direction of the strip-shaped hole 2342 is consistent with the extending direction of the supporting portion 234, so that the mass of the supporting member 23 can be reduced, the excessive load of the housing 1 is avoided, and the housing 1 is ensured to have a long service life.
In the specific assembly and installation of the support assembly 2, first, the insulating connector 21 is placed on the support 23, and then, the insulating connector 21 and the support 23 are connected by the second connector 24; then, the support component 2 is connected with the shell 1 through a third connecting piece 8; finally, the support assembly 2 is connected with the first busbar 31, the second busbar 32, the first power harness 41a and the second power harness 41b through the first connecting member 7, and then the assembly and installation of the support assembly 2 are completed.
The storage battery energy storage system provided by the embodiment comprises a shell, a battery module and a supporting assembly, wherein the battery module is positioned in the shell and comprises a battery cell module and a busbar assembly, a first end of the busbar assembly is connected with a tab of the battery cell module, and the supporting assembly is detachably connected between the inner wall of the shell and a second end of the busbar assembly so as to support and fix the busbar assembly; the supporting component comprises an insulating connecting piece, and the busbar component is detachably connected to the insulating connecting piece. The battery energy storage system that this embodiment provided can prevent to arrange the inner wall contact of subassembly and shell female to the battery energy storage system that makes this embodiment provide has stronger security performance.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A storage battery energy storage system is characterized by comprising a shell, a battery module and a supporting assembly, wherein the battery module is positioned in the shell and comprises a battery cell module and a busbar assembly, a first end of the busbar assembly is connected with a tab of the battery cell module, and the supporting assembly is detachably connected between the inner wall of the shell and a second end of the busbar assembly so as to support and fix the busbar assembly; the busbar assembly is detachably connected with the supporting assembly, and the busbar assembly is insulated from the supporting assembly.
2. The battery energy storage system of claim 1, wherein the support assembly comprises an insulating connector and a support member supported between the insulating connector and an inner wall of the housing;
the busbar assembly is detachably connected to the insulating connecting piece.
3. The battery energy storage system of claim 2, wherein the busbar assembly comprises a first busbar and a second busbar, the first busbar is configured to be connected to one of a positive electrode tab and a negative electrode tab of the cell module, the second busbar is configured to be connected to the other of the positive electrode tab and the negative electrode tab of the cell module, the insulating connector has a connection surface, the first busbar and the second busbar are both abutted to the connection surface, and the first busbar and the second busbar are not in contact with each other.
4. The battery energy storage system according to claim 3, wherein the connection surface has at least two first connection holes, the first busbar and the second busbar are respectively disposed corresponding to the two first connection holes, and an axial direction of the first connection holes is consistent with a height direction of the support assembly; the storage battery energy storage system also comprises two first connecting pieces, the first connecting pieces correspond to the first connecting holes one by one, the first connecting pieces are detachably connected to the busbar assembly, and the first connecting pieces penetrate through the first connecting holes so as to detachably connect the busbar assembly and the insulating connecting pieces; or the like, or, alternatively,
the connecting surface is provided with a clamping structure, the first busbar and the second busbar are respectively clamped with the clamping structure to be connected with the busbar assembly and the insulating connecting piece in a clamping manner.
5. The battery energy storage system of claim 4, wherein the connection face has at least two first connection holes thereon, and the first connection holes are threaded holes;
the supporting assembly further comprises a limiting piece, a limiting through hole is formed in the insulating connecting piece, the axial direction of the limiting through hole is consistent with the height direction of the supporting assembly, the shape of the limiting through hole is matched with the shape of the limiting piece, the limiting piece is embedded in the limiting through hole, and the limiting piece is in interference fit with the limiting through hole; the first connecting hole is arranged on the limiting piece.
6. A battery energy storage system according to any of claims 3 to 5, wherein said support assembly further comprises a second connector by which a first end of said support member is removably connected to said insulating connector and a second end of said support member is removably connected to an inner wall of said housing.
7. The battery energy storage system according to claim 6, wherein a second connection hole is further formed in the connection surface, the second connection hole is located between two first connection holes, and the axial direction of the second connection hole is consistent with the axial direction of the first connection hole;
the first end of the supporting piece is provided with a fixing part, the extending direction of the fixing part is consistent with the axial direction of the second connecting hole, and the fixing part extends into the second connecting hole so that the insulating connecting piece is pressed on the supporting piece;
the fixing part is provided with a fixing hole, the fixing hole and the axial direction of the second connecting piece are consistent with the axial direction of the second connecting hole, and the second connecting piece sequentially penetrates through the second connecting hole and the fixing hole to be detachably connected with the insulating connecting piece and the supporting piece.
8. The battery energy storage system according to claim 2, wherein the insulating connector is provided with a limiting flange at each of two opposite sides thereof, the busbar assembly is provided with a contact surface abutted against the insulating connector, and the extending direction of the limiting flange is parallel to the extending direction of the contact surface;
the first end of the supporting piece is also provided with two resisting parts, the resisting parts are arranged corresponding to the limiting flanges, and the limiting flanges are abutted against the resisting parts so as to limit the relative position between the insulating connecting piece and the supporting piece.
9. The battery energy storage system of claim 2, wherein the support member comprises a mounting portion and at least two support portions, at least two of the support portions each being connected at one end of the mounting portion, the other end of the mounting portion abutting the insulating connector.
10. A battery energy storage system according to any of claims 2-5 and 7-9, further comprising a battery management system disposed on the housing and having a power harness with ends electrically connected to the busbar assembly at the insulated connectors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353758.5U CN215989109U (en) | 2021-06-17 | 2021-06-17 | Storage battery energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353758.5U CN215989109U (en) | 2021-06-17 | 2021-06-17 | Storage battery energy storage system |
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| CN215989109U true CN215989109U (en) | 2022-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883723A (en) * | 2022-04-28 | 2022-08-09 | 浙江零跑科技股份有限公司 | Detachable battery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883723A (en) * | 2022-04-28 | 2022-08-09 | 浙江零跑科技股份有限公司 | Detachable battery system |
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