CN215989111U - Energy storage battery pack - Google Patents
Energy storage battery pack Download PDFInfo
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- CN215989111U CN215989111U CN202122162282.3U CN202122162282U CN215989111U CN 215989111 U CN215989111 U CN 215989111U CN 202122162282 U CN202122162282 U CN 202122162282U CN 215989111 U CN215989111 U CN 215989111U
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- energy storage
- storage battery
- management system
- battery pack
- cell module
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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 application provides an energy storage battery pack, relates to energy storage technical field to the utmost point ear of solving current lithium ion battery pack easily exists and connects the technical problem of poor stability. The energy storage battery pack comprises a shell and a battery cell module, wherein the shell is provided with an accommodating cavity, the battery cell module is positioned in the accommodating cavity, a lug assembly is also arranged in the accommodating cavity, and the lug assembly is electrically connected with the battery cell module; the energy storage battery pack is provided with a first end and a second end which are oppositely arranged, a support is arranged on the shell, the support is positioned at the first end, and the lug assembly is positioned at the second end; the energy storage battery pack further comprises a battery management system, the battery management system is located at the second end, at least part of the battery management system is located in the containing cavity, and the tab assembly and the battery cell module are electrically connected with the battery management system. The energy storage battery pack can reduce the stress of the lug assembly and improve the connection stability of the lug assembly.
Description
Technical Field
The application relates to the technical field of energy storage, in particular to an energy storage battery pack.
Background
With the development and popularization of the 5th Generation Mobile Communication Technology (5G) network, the network has become an indispensable part of people's daily life; in the standby power of a 5G network, lithium ion batteries are mostly used for providing energy supply, and with the reconstruction of base station infrastructure and the extension of newly-built base stations, the market demand for outdoor base station battery packs is continuously expanded.
Because the battery system energy of the traditional lead-acid storage battery is smaller, the occupied facility space is larger, and the long-time power supply cannot be met, the lithium ion battery pack is more and more widely applied to outdoor base stations. The lithium ion Battery pack generally comprises a housing, a Battery module and a Battery Management System (Battery Management System, BMS for short), wherein the Battery module is arranged in 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, the first busbar is electrically connected with a positive electrode tab of the Battery cell module, the second busbar is electrically connected with a negative electrode tab of the Battery cell module, and the BMS is arranged above the busbar assembly and is electrically connected with the busbar assembly.
However, the tab of the lithium ion battery pack has a problem of poor connection stability.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem, the application provides an energy storage battery package, can reduce utmost point ear subassembly's stress, improves utmost point ear subassembly's connection stability.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
the application provides an energy storage battery pack, this energy storage battery pack include shell and electric core module, the shell has the holding chamber, electric core module is located the holding intracavity, the holding intracavity still is provided with utmost point ear subassembly, utmost point ear subassembly with electric core module electricity is connected.
The energy storage battery pack is provided with a first end and a second end which are arranged oppositely, a support is arranged on the shell and located at the first end, and the lug assembly is located at the second end.
The energy storage battery pack further comprises a battery management system, at least part of the battery management system is located at the second end, at least part of the battery management system is located in the accommodating cavity, and the tab assembly is electrically connected with the battery management system.
In the energy storage battery pack, optionally, the support includes a first support and a second support that are arranged at an interval, and the battery management system is located between the first support and the second support.
In the energy storage battery pack, optionally, the battery management system includes a power board, a collecting board and a power connector, the power board and the power connector are both disposed on the housing, and the collecting board is connected to the power board through a fixing column.
The power board and/or the collection board is electrically connected with the power connector, the collection board and the power board are located in the accommodating cavity, and the power connector is located outside the shell.
In the energy storage battery pack, optionally, the surface of the collecting plate and the surface of the power plate are perpendicular to the end surface of the first end where the battery cell module is located.
And/or the plate surface of the collecting plate and the plate surface of the power plate are parallel to each other, and a gap is formed between the collecting plate and the power plate.
In the energy storage battery pack, optionally, a wire harness group is further disposed in the accommodating cavity, the wire harness group includes a first wire harness and a second wire harness, the first wire harness is electrically connected with the battery management system and the tab assembly, and the second wire harness is electrically connected with the battery management system and the battery core module. And one part of the wire harness in the wire harness group is positioned on the first side of the battery cell module, the other part of the wire harness in the wire harness group is positioned on the second side of the battery cell module, and the first side and the second side are oppositely arranged.
In the energy storage battery pack, optionally, the tab assembly includes a tab and a circuit board, and the tab is electrically connected to the battery cell module and the circuit board; the circuit board is electrically connected with the battery management system.
The tab assembly further comprises a support and a busbar, the support and the busbar are located between the tabs and the circuit board, the busbar and at least part of the tabs are fixed on the support, and the busbar is electrically connected with the tabs and the circuit board.
In the energy storage battery pack, optionally, a baffle is arranged on one side of the tab assembly close to the outer shell, and the baffle is an insulating member.
And/or the bracket is a plastic part.
In the energy storage battery pack, optionally, a heating assembly is disposed in the accommodating cavity, the battery cell module includes a plurality of interconnected battery cells, at least a portion of the heating assembly is located at the periphery of the battery cells, and the heating assembly is electrically connected to the battery management system.
In the energy storage battery pack, optionally, the heating assembly includes a heating element and a heat conducting element, the heating element includes a first heating element and/or a second heating element, the first heating element and/or the second heating element are located at two opposite ends of the battery cell module in a first direction, the first end and the second end are located in a second direction, and the first direction is perpendicular to the second direction;
the heat conducting pieces are multiple, and each heat conducting piece is arranged on at least part of the peripheral surface of each electric core in a surrounding mode in a one-to-one correspondence mode. Opposite ends of the heat-conductive member are connected to the first heating member and/or the second heating member.
In the energy storage battery pack, optionally, the outer shell includes a cover body and a shell body which are covered with each other, the cover body and the shell body enclose the accommodating cavity, and a sealing ring is arranged at a joint of the cover body and the shell body.
The battery management system and the support are both disposed on the housing.
The application provides an energy storage battery package through setting up the first end at energy storage battery package with battery management system to and hold the utmost point ear subassembly setting at the second of energy storage battery package, also make the utmost point ear subassembly be located "top" of energy storage battery package promptly, like this, energy storage battery package can avoid utmost point ear subassembly to receive the stress that other parts were applyed when using, makes utmost point ear subassembly connection stability better. And set up utmost point ear subassembly and battery management system at the relative both ends of energy storage battery package, make the overall layout of energy storage battery package more reasonable, whole size is littleer.
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 an exploded view of an energy storage battery pack provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an energy storage battery pack (without a cover) provided in an embodiment of the present application;
fig. 3 is a top view of an energy storage battery pack (without a cover) provided by an embodiment of the present application;
fig. 4 is a schematic structural diagram of a cell module, a battery management system, and a tab assembly in an energy storage battery pack provided in an embodiment of the present application;
fig. 5 is a top view of a cell module, a battery management system, and a tab assembly in an energy storage battery pack provided in an embodiment of the present application.
Description of reference numerals:
100-an energy storage battery pack;
101-a first end;
102-a second end;
10-a housing;
11-a cover body;
12-a housing;
13-a handle;
14-a hook;
20-cell module;
21-a first side;
22-a second side;
30-an accommodating cavity;
40-a tab assembly;
41-a circuit board;
42-a scaffold;
43-bus bar;
44-a baffle;
50-a battery management system;
51-a power board;
52-collection plate;
53-power connectors;
54-fixed column;
60-support;
61-a first support;
62-a second support;
70-a bundle group;
80-a heating assembly;
81-heating element;
82-heat conducting member.
Detailed Description
Just as the background art said, BMS among the relevant art sets up in female subassembly top of arranging, and utmost point ear and female subassembly welded connection that arranges, however, the battery package is after the assembly is accomplished, because parts such as BMS are provided with above the utmost point ear, under the action of gravity, the part above the utmost point ear applys decurrent power for the utmost point ear, leads to utmost point ear to take place stress concentration in the welding seam department to make utmost point ear easily take place to damage, influence the connection stability of utmost point ear.
The application provides an energy storage battery package through setting up the first end at energy storage battery package with battery management system to and hold the utmost point ear subassembly setting at the second of energy storage battery package, also make the utmost point ear subassembly be located "top" of energy storage battery package promptly, like this, energy storage battery package can avoid utmost point ear subassembly to receive the stress that other parts were applyed when using, makes utmost point ear subassembly connection stability better. And set up utmost point ear subassembly and battery management system at the relative both ends of energy storage battery package, make the overall layout of energy storage battery package more reasonable, whole size is littleer.
In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. 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. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Fig. 1 is an exploded view of an energy storage battery pack provided in an embodiment of the present application. Fig. 2 is a schematic structural diagram of an energy storage battery pack (without a cover) provided in an embodiment of the present application. Fig. 3 is a top view of an energy storage battery pack (without a cover) provided in an embodiment of the present application. Fig. 4 is a schematic structural diagram of a battery cell module, a battery management system, and a tab assembly in an energy storage battery pack provided in an embodiment of the present application. Fig. 5 is a top view of a cell module, a battery management system, and a tab assembly in an energy storage battery pack provided in an embodiment of the present application.
Referring to fig. 1 to 5, an embodiment of the present application provides an energy storage battery pack, where the energy storage battery pack 100 includes a housing 10 and a battery cell module 20, the housing 10 has a holding cavity 30, the battery cell module 20 is located in the holding cavity 30, a tab assembly 40 is further disposed in the holding cavity 30, and the tab assembly 40 is electrically connected to the battery cell module 20. Energy storage battery package 100 has relative first end 101 and the second end 102 that sets up, is provided with the support on the shell 10, and the support is located first end 101, and utmost point ear subassembly 40 is located second end 102, and like this, energy storage battery package 100 assembly is accomplished the back, and utmost point ear subassembly 40 is located energy storage battery package 100 "top", and energy storage battery package 100 can avoid utmost point ear subassembly 40 to receive the stress that other parts applyed when using, makes utmost point ear subassembly 40 connection stability better.
In addition, the energy storage battery pack 100 further includes a battery management system 50, the battery management system 50 is located at the second end 102, at least a portion of the battery management system 50 is located in the receiving cavity 30, and the tab assembly 40 is electrically connected to the battery management system 50. The tab assembly 40 and the battery management system 50 are disposed at opposite ends of the energy storage battery pack 100, so that the overall layout of the energy storage battery pack 100 is more reasonable and the overall size is smaller.
It should be noted that the battery management system 50 may intelligently manage and maintain the cell module 20, prevent the cell module 20 from being overcharged and overdischarged, prolong the service life of the energy storage battery pack 100, and monitor the state of the energy storage battery pack 100.
It should be noted that, in the embodiment of the present application, the casing 10 includes a cover 11 and a housing 12 that are mutually covered, the cover 11 and the housing 12 enclose the receiving cavity 30, and the battery management system 50 and the support are disposed on the housing 12. The joint of the cover 11 and the housing 12 may be provided with a sealing ring (not shown), which may make the connection between the cover 11 and the housing 12 more stable and have better sealing performance.
It should be noted that, as shown in fig. 3, at the second end 102 of the energy storage battery pack 100, the housing 12 is further provided with a handle 13 and a hook 14, the hook 14 may facilitate the energy storage battery pack 100 to be hoisted by a mechanical tool, the handle 13 may be conveniently held by a user, and the handle 13 and the hook 14 may facilitate the installation and assembly of the energy storage battery pack 100.
In one possible embodiment, the support includes a first support 61 and a second support 62 which are arranged at intervals, and the first support 61 and the second support 62 may be respectively located on the first side 21 and the second side 22 of the cell module 20, so that a receiving space is provided between the first support 61 and the second support 62, and part of the battery management system 50 may be located in the receiving space. In this way, the space between the first support 61 and the second support 62 is utilized to optimize the layout of the battery management system 50, so that the overall structure of the energy storage battery pack 100 is more compact and smaller in size.
In one possible embodiment, referring to fig. 1 and 4, the battery management system 50 includes a power board 51, a collecting board 52 and a power connector 53, the power board 51 and the power connector 53 are disposed on the housing 12, and the collecting board 52 is connected to the power board 51 through a fixing post 54. The power board 51 and the collecting board 52 are both electrically connected with the power connector 53, the collecting board 52 and the power board 51 are located in the accommodating cavity 30, and the power connector 53 is located outside the housing 12. In addition, the face of collection board 52 and the face of power board 51 are all perpendicular to the terminal surface that electric core module 20 is close to first end 101 to, the face of collection board 52 and the face of power board 51 are parallel to each other, have the clearance between power board 51 and the collection board 52, and some power connectors 53 are located this clearance. In this arrangement, on one hand, the collection board 52 and the power board 51 are regularly arranged, which is beneficial to internal wiring, and on the other hand, the collection board 52, the power board 51 and the power connector 53 are convenient to assemble.
In an implementation, a wire harness set 70 is further disposed in the accommodating cavity 30, and the wire harness set 70 may include a first wire harness and a second wire harness, where the first wire harness electrically connects the battery management system 50 and the tab assembly 40, and the second wire harness electrically connects the battery management system 50 and the cell module 20.
Specifically, the first harness may include a power harness and a voltage collecting harness, wherein one end of the power harness is electrically connected to the battery management system 50, and the other end of the power harness is electrically connected to the busbar 43. The power harnesses may include a first power harness and a second power harness, and the bus bar 43 may include a first bus bar and a second bus bar, the first power harness electrically connects the first bus bar and the battery management system 50, and the second power harness electrically connects the second bus bar and the battery management system 50. One end and the battery management system 50 electricity of voltage acquisition pencil are connected, and the other end of voltage acquisition pencil is equipped with the voltage acquisition terminal, and the voltage acquisition terminal is fixed in female arranging 43 on, and the current-voltage signal on female arranging 43 is gathered to voltage acquisition pencil accessible voltage acquisition terminal to transmit to battery management system 50, so that battery management system 50 acquires the real-time current-voltage parameter of electric core module 20, in order to control and manage electric core module 20.
Specifically, the second pencil can include the temperature acquisition pencil, the one end and the 50 electricity of battery management system of temperature acquisition pencil are connected, the other end of temperature acquisition pencil is equipped with the temperature acquisition terminal, the temperature acquisition terminal is fixed in on the electric core of electric core module 20, the temperature of electric core can be gathered through the temperature acquisition terminal to the temperature acquisition pencil, and transmit to battery management system 50, so that battery management system 50 acquires the real-time temperature parameter of electric core module 20, in order to control and manage electric core module 20.
It should be noted that one end of the power harness connected to the battery management system 50 may be electrically connected to the power board 51, and one end of the voltage collection harness and one end of the temperature collection harness connected to the battery management system 50 may be electrically connected to the collection board 52.
It should be noted that, in the specific arrangement of the harness group 70, a part of the harnesses in the harness group 70 may be located at the first side 21 of the cell module 20, another part of the harnesses in the harness group 70 may be located at the second side 22 of the cell module 20, and the first side 21 and the second side 22 are arranged oppositely. For example, the first power harness may be located on the first side 21, and the second power harness, the temperature collection harness, and the voltage collection harness may be located on the second side 22, and the specific arrangement of the harness set 70 is not limited in the embodiment of the present application.
In one possible embodiment, the tab assembly 40 includes a tab (not shown) and a circuit board 41, and the tab electrically connects the cell module 20 and the circuit board 41. The circuit board 41 is electrically connected to the battery management system 50. The tab assembly 40 further comprises a support 42 and a busbar 43, the support 42 and the busbar 43 are both located between the tabs and the circuit board 41, the busbar 43 and at least part of the tabs are fixed on the support 42, and the busbar 43 is electrically connected with the tabs and the circuit board 41.
Specifically, the busbar 43 may be detachably connected to the bracket 42, and the busbar 43 and the tab may be connected by a welding connection method, such as laser welding or ultrasonic welding. The tab can comprise a positive tab and a negative tab, the positive tab is welded with the first busbar, and the negative tab is welded with the second busbar. Through setting up support 42, when welding the utmost point ear, can provide the holding power to utmost point ear, conveniently carry out the rapid draing, can improve the preparation efficiency of energy storage battery package 100.
It should be noted that the busbar 43 may be an aluminum busbar or a copper busbar, and the specific material of the busbar 43 is not limited in the embodiment of the present application.
In one possible embodiment, a baffle 44 is disposed on one side of the tab assembly 40 adjacent to the housing 10, and the baffle 44 is an insulator. By arranging the baffle 44, the electrical contact between the busbar 43 in the tab assembly 40 and the shell 12 can be avoided, the occurrence of short circuit can be prevented, and the safety performance of the energy storage battery pack 100 can be ensured.
It is understood that the baffle 44 may be a plastic component, or an insulating component with an insulating glue or an insulating paper disposed on a surface thereof, and the embodiment of the present application does not limit a specific insulating manner of the baffle 44.
In an embodiment that can realize, support 42 is the plastic part, like this, can not influence female welding of arranging 43 and utmost point ear on the one hand, and on the other hand can avoid female electrical contact of arranging of first mother and second, prevents to take place the short circuit, guarantees energy storage battery package 100's security performance.
In one possible embodiment, the circuit board 41 is an integrally formed part. The circuit board 41 may be a flexible circuit board, wherein the substrate of the flexible circuit board may be a polyimide or a polyester film. The flexible circuit board has the characteristics of high wiring density, light weight, thin thickness and good bending property. By adopting the integrated flexible circuit design, the integrated welding is facilitated, the assembly and the positioning of parts can be reduced, and the production cost is reduced.
In an implementation, a heating assembly 80 is disposed in the accommodating cavity 30, the battery cell module 20 includes a plurality of interconnected battery cells, at least a portion of the heating assembly 80 is located at the periphery of the battery cells, and the heating assembly 80 is electrically connected to the battery management system 50.
Specifically, as shown in fig. 1, the heating assembly 80 includes a heating element 81 and a heat conducting element 82, the heating element 81 includes a first heating element and a second heating element, the first heating element and the second heating element are respectively located at two opposite ends of the battery cell module 20 in a first direction a, the first end 101 and the second end 102 are located in a second direction b, and the first direction a is perpendicular to the second direction b.
The heat conduction members 82 are multiple, and each heat conduction member 82 is arranged around at least part of the outer peripheral surface of each cell in a one-to-one correspondence manner. Further, opposite ends of the heat conduction member 82 are connected to the first heating member and the second heating member, respectively, so that heat of the first heating member and the second heating member can be transferred to the heat conduction member 82.
Specifically, the heating element 81 may include a heating film and a resistance wire, the heating film may be a Polyimide (PI) film, the Polyimide film is a thin film type insulating material with good performance, and includes a pyromellitic Polyimide film and a biphenyl Polyimide film, and the Polyimide film has excellent heat resistance, excellent mechanical properties, good flexibility, good chemical stability and humidity resistance, and good insulating performance. The resistance wire can be located in the heating film, and the resistance wire gives off a large amount of heats after the circular telegram, gives off the heat for electric core through heat-conducting member 82. It is understood that the heat-conducting member 82 may be a metal material with good heat-conducting property, for example, the heat-conducting member 82 may be a heat-conducting aluminum plate.
It can be understood that, can also be provided with curb plate, roof and bottom plate between electric core module 20 and shell 10, curb plate, roof and bottom plate enclose the periphery of establishing at electric core module 20, and first heating member can be located between roof and electric core module 20, and the second heating member can be located between bottom plate and electric core module 20. Specifically, heat insulating members may be further disposed between the first heating member and the top plate and between the second heating member and the top plate, and the heat insulating members may prevent heat of the heating member 81 from being transferred to the top plate and the bottom plate, so that the heat is transferred to the heating member 81 as completely as possible, thereby improving the heating efficiency of the heating assembly 80.
It should be noted that the wire harness set 70 may further include a heating wire harness, the heating wire harness is electrically connected to the heating element 81 and the battery management system 50, when the battery management system 50 monitors the ambient temperature or the temperature of the battery cell module 20 is low, the battery management system 50 may control the heating element 81 to heat through the heating wire harness, and the heat conducting element 82 transmits the heat to the battery cell. Therefore, the battery core can be ensured to be always at a more appropriate working temperature, so that the energy storage battery pack 100 can be suitable for an outdoor low-temperature environment, and the climate adaptability of the energy storage battery pack 100 is improved.
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.
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.
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.
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. An energy storage battery pack is characterized by comprising a shell and a battery cell module, wherein the shell is provided with an accommodating cavity, the battery cell module is positioned in the accommodating cavity, a lug assembly is further arranged in the accommodating cavity, and the lug assembly is electrically connected with the battery cell module;
the energy storage battery pack is provided with a first end and a second end which are arranged oppositely, a support is arranged on the shell, the support is located at the first end, and the lug assembly is located at the second end;
the energy storage battery pack further comprises a battery management system, the battery management system is located at the second end, at least part of the battery management system is located in the accommodating cavity, and the lug assembly is electrically connected with the battery management system.
2. The energy storage battery pack of claim 1, wherein the support comprises a first support and a second support spaced apart from each other, at least a portion of the battery management system being located between the first support and the second support.
3. The energy storage battery pack of claim 2, wherein the battery management system comprises a power board, a collection board, and a power connector, wherein the power board and the power connector are disposed on the housing, and the collection board is connected to the power board via a fixing post;
the power board and/or the collection board is electrically connected with the power connector, the collection board and the power board are located in the accommodating cavity, and the power connector is located outside the shell.
4. The energy storage battery pack of claim 3, wherein the plate surface of the collecting plate and the plate surface of the power plate are both perpendicular to the end surface of the cell module at the first end;
and/or the plate surface of the collecting plate and the plate surface of the power plate are parallel to each other, and a gap is formed between the collecting plate and the power plate.
5. The energy storage battery pack according to any one of claims 1 to 4, wherein a wire harness set is further disposed in the accommodating cavity, the wire harness set includes a first wire harness and a second wire harness, the first wire harness electrically connects the battery management system and the tab assembly, and the second wire harness electrically connects the battery management system and the cell module;
and one part of the wire harness in the wire harness group is positioned on the first side of the battery cell module, the other part of the wire harness in the wire harness group is positioned on the second side of the battery cell module, and the first side and the second side are oppositely arranged.
6. The energy storage battery pack of any of claims 1-4, wherein the tab assembly comprises a tab and a circuit board, the tab electrically connecting the cell module and the circuit board; the circuit board is electrically connected with the battery management system;
the tab assembly further comprises a support and a busbar, the support and the busbar are located between the tabs and the circuit board, the busbar and at least part of the tabs are fixed on the support, and the busbar is electrically connected with the tabs and the circuit board.
7. The energy storage battery pack of claim 6, wherein a baffle is arranged on one side of the tab assembly close to the outer shell, and the baffle is an insulator;
and/or the bracket is a plastic part.
8. The energy storage battery pack of any of claims 1-4, wherein a heating assembly is disposed in the accommodating cavity, the cell module comprises a plurality of interconnected cells, at least a portion of the heating assembly is located at the periphery of the cells, and the heating assembly is electrically connected to the battery management system.
9. The energy storage battery pack of claim 8, wherein the heating assembly comprises a heating element and a heat conducting element, the heating element comprises a first heating element and/or a second heating element, and the first heating element and/or the second heating element are located at two opposite ends of the cell module in the first direction; the first end and the second end are located in a second direction, the first direction being perpendicular to the second direction;
the heat conducting pieces are arranged in a surrounding manner, and are arranged on at least part of the peripheral surface of each battery cell in a one-to-one correspondence manner; opposite ends of the heat-conductive member are connected to the first heating member and/or the second heating member.
10. The energy storage battery pack according to any one of claims 1-4, wherein the housing comprises a cover and a shell that are covered with each other, the cover and the shell enclose the accommodating cavity, and a sealing ring is arranged at the joint of the cover and the shell;
the battery management system and the support are both disposed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122162282.3U CN215989111U (en) | 2021-09-08 | 2021-09-08 | Energy storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122162282.3U CN215989111U (en) | 2021-09-08 | 2021-09-08 | Energy storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215989111U true CN215989111U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122162282.3U Active CN215989111U (en) | 2021-09-08 | 2021-09-08 | Energy storage battery pack |
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| Country | Link |
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| CN (1) | CN215989111U (en) |
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2021
- 2021-09-08 CN CN202122162282.3U patent/CN215989111U/en active Active
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