CN217485678U - Split type battery unit and battery package that opens circuit - Google Patents
Split type battery unit and battery package that opens circuit Download PDFInfo
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- CN217485678U CN217485678U CN202220508350.9U CN202220508350U CN217485678U CN 217485678 U CN217485678 U CN 217485678U CN 202220508350 U CN202220508350 U CN 202220508350U CN 217485678 U CN217485678 U CN 217485678U
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Abstract
The utility model relates to a new energy automobile battery technical field, concretely relates to split type battery unit and battery package that opens circuit, include: the positive electrode module and the negative electrode module are separated from each other; the first input end of the positive pole module is connected to a battery module, and the first output end of the positive pole module is connected to the positive pole of a driving motor; the second input end of the negative pole module is connected to the driving motor, and the second output end of the negative pole module is connected to the negative pole of the battery module; the first driving end of the positive contactor is connected to a controller; and the second driving end of the negative contactor is connected with the controller. The beneficial effects of this utility lie in: through setting up the anodal module and the negative pole module of alternate segregation for the volume of battery open circuit unit can reduce, and can adjust the position that sets up of anodal module and negative pole module in the battery package according to the user's demand, thereby make the user can make full use of battery package when designing the battery package set up anodal module and negative pole module in the residual space, reduced the space extravagant, reduce the research and development cost.
Description
Technical Field
The utility model relates to a new energy automobile battery technical field, concretely relates to split type battery unit and battery package that opens circuit.
Background
The battery pack refers to a power unit applied to a new energy automobile. Generally, the composition of the battery pack includes: electric core, connecting piece, distribution unit etc. it can carry out charge-discharge in order to realize the power supply to new energy automobile under the control of car machine. The Power Distribution Unit (PDU) is a component used for distributing and managing a Power supply in the whole battery pack, and mainly performs functions of charging and discharging control, Power-on control of a high-voltage component, overload and short-circuit protection of a circuit, high-voltage sampling, low-voltage control and the like. In order to achieve better protection of the circuit as a whole, a special Battery Disconnection Unit (BDU) is often required to be arranged in the Battery pack to achieve better safety.
In the prior art, there are battery packs having a battery disconnection unit. Under the general condition, for realizing the better trouble effect of cutting off to new energy automobile, often be provided with corresponding sensing device and contact terminal on this type of battery circuit breaking unit to be connected to corresponding controller, and then make the controller according to the cutting off of the power information control battery circuit breaking unit that detects. However, in the practical implementation process, the inventor finds that, in order to implement the above functions, the volume of the battery disconnection unit in the prior art is relatively large, so that the battery disconnection unit occupies much space in the battery pack, and brings more difficulties to the design and research and development of products.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, a separate battery breaking unit and a battery pack are provided.
The specific technical scheme is as follows:
a split type battery circuit-breaking unit comprises a positive electrode module and a negative electrode module which are separated from each other;
the first input end of the positive pole module is connected to the positive pole of a battery module, and the first output end of the positive pole module is connected to the positive pole of a driving motor;
a second input end of the negative electrode module is connected to a negative electrode of the driving motor, and a second output end of the negative electrode module is connected to a negative electrode of the battery module;
the positive electrode module is internally provided with a positive electrode contactor, and a first driving end of the positive electrode contactor is connected to an external controller;
and a negative electrode contactor is arranged in the negative electrode module, and a second driving end of the negative electrode contactor is connected to the controller.
Preferably, the positive electrode module comprises a positive electrode shell, and a projection surface of the positive electrode shell is in a long strip shape;
the first input end and the first output end are respectively arranged on two sides of the positive electrode shell along the long axis direction of the positive electrode shell and point to the upper part of the positive electrode shell;
the positive pole shell is internally provided with the positive pole contactor, and the first driving end of the positive pole contactor is exposed out of the positive pole shell along the short axis direction of the positive pole shell.
Preferably, the positive electrode module further includes an intelligent fuse, and the positive electrode contactor and the intelligent fuse are sequentially disposed between the first input end and the first output end along a long axis direction of the positive electrode housing;
the positive contactor is connected to the first input end through a first positive copper bar;
the positive contactor is connected to the intelligent fuse through a second positive copper bar;
the intelligent fuse is connected to the first output end through a third positive copper bar;
the first positive electrode copper bar, the second positive electrode copper bar and the third positive electrode copper bar are respectively provided with a first output terminal connected to the controller;
the intelligent fuse comprises a controlled end, and the controlled end is connected to the controller.
Preferably, the first positive copper bar is in a zigzag shape, and extends from the upper side of the first input end to the upper side of the positive contactor through the side surface of the positive contactor;
the second positive copper bar is Z-shaped, and the second positive copper bar passes through the top of the positive contactor and extends to the side of the positive contactor above the intelligent fuse.
Preferably, the positive contactor comprises a positive contactor housing, the positive housing comprising a positive housing base plate;
the positive contactor shell and the positive shell bottom plate are integrally formed.
Preferably, the negative electrode module comprises a negative electrode shell, and the projection surface of the negative electrode shell is in a long strip shape;
the second input end and the second output end are respectively arranged at two sides of the negative electrode shell along the long axis direction of the negative electrode shell and point to the upper part of the negative electrode shell;
the negative electrode contactor is arranged in the negative electrode shell, and the second driving end of the negative electrode contactor is exposed out of the negative electrode shell along the short axis direction of the negative electrode shell.
Preferably, the negative electrode module further comprises a current sensing module, and the current sensing module is arranged on the side surface of the negative electrode contactor close to the second input end;
the current sensing module comprises a sensing output end, the sensing output end is exposed out of the negative electrode shell along the short axis direction of the negative electrode shell, and the current sensing module is connected to the controller through the sensing output end;
the second input end is connected with the current sensing module through a first negative copper bar;
the current sensing module is connected with the negative contactor through a second negative copper bar, and the second negative copper bar is 7-shaped and extends to the upper part of the negative contactor from the side surface of the negative contactor;
the negative electrode contactor is connected with the second output end through a third negative electrode copper bar, and the third negative electrode copper bar is Z-shaped and extends to the second output end from the upper part of the negative electrode contactor through the side surface of the negative electrode contactor;
and the second negative electrode copper bar and the third negative electrode copper bar are respectively provided with a second output terminal connected to the controller.
Preferably, the negative contactor comprises a negative contactor housing, the negative housing comprising a negative housing floor;
the negative contactor shell and the negative shell bottom plate are integrally formed.
A battery pack comprises a shell, wherein a plurality of battery modules and the battery circuit breaking unit are arranged in the shell, and the battery modules are connected to an external driving motor through the battery circuit breaking unit.
Preferably, the battery disconnection unit includes a positive electrode module and a negative electrode module separated from each other;
one side surface of the shell is provided with an extension part, and the projection surface of the extension part is rectangular;
the extending part is internally provided with the positive module and the negative module;
the long axis direction of the extension part is vertical or horizontal to the edge of the shell;
the long axis direction of the anode module and the long axis direction of the cathode module are parallel to the long axis direction of the extension part.
The technical scheme has the following advantages or beneficial effects: through setting up the anodal module and the negative pole module of mutual separation for the whole volume of battery unit that opens circuit can reduce, and can adjust the position that sets up of anodal module and negative pole module in the battery package according to user's demand, thereby make the user can make full use of battery package's surplus space set up anodal module and negative pole module when designing the battery package, reduced the space extravagant, reduce research and development cost.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
Fig. 1 is an overall schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of an anode module according to an embodiment of the present invention;
fig. 3 is a schematic view of a negative electrode module according to an embodiment of the present invention;
fig. 4 is an exploded view of the positive electrode module according to the embodiment of the present invention;
fig. 5 is an exploded view of a negative electrode module according to an embodiment of the present invention;
fig. 6 is a schematic view of a battery pack according to an embodiment of the present invention;
fig. 7 is a schematic view illustrating a placement manner of a battery disconnection unit according to an embodiment of the present invention;
fig. 8 is a schematic view illustrating a placement manner of a battery disconnection unit according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are not intended to limit the present invention.
The utility model discloses a:
a split type battery breaking unit, as shown in fig. 1, 2 and 3, includes a positive electrode module 1 and a negative electrode module 2 separated from each other;
a first input end 11 of the positive pole module 1 is connected to the positive pole of a battery module A, and a first output end 12 of the positive pole module 1 is connected to the positive pole of a driving motor B;
a second input end 21 of the negative electrode module 2 is connected to the negative electrode of the driving motor B, and a second output end 22 of the negative electrode module 2 is connected to the negative electrode of the battery module A;
a positive contactor 13 is arranged in the positive module 1, and a first driving end 131 of the positive contactor 13 is connected to an external controller C;
a negative contactor 23 is arranged in the negative module 2, and the second driving end 231 of the negative contactor 23 is connected to the controller C.
Specifically, to the battery among the prior art unit that opens circuit whole bulky, need occupy the problem of a large amount of spaces in the battery package, through separating positive pole module 1 and negative pole module 2 in the unit that opens circuit with the battery in this embodiment, and be connected to positive side return circuit and negative side return circuit respectively, when having realized the difference control to both sides return circuit, can freely adjust the position of putting of positive pole module 1 and negative pole module 2 in the battery package according to the user's demand, and then reduced the battery unit that opens circuit to the space demand in the battery package.
As an optional implementation manner, according to different requirements of a user, a fuse box may be further added between the positive electrode module 1 and the positive electrode of the battery module a, so as to achieve passive protection of the whole circuit, and further improve the safety of the whole circuit. The fuse type, the load current and the like in the fuse box can be set according to actual needs, and the fuse type, the load current and the like do not limit the technical scheme.
In a preferred embodiment, as shown in fig. 2, the positive electrode module 1 includes a positive electrode housing (not shown), and a projection surface of the positive electrode housing is in a strip shape;
the first input end 11 and the first output end 12 are respectively arranged at two sides of the anode shell along the long axis direction of the anode shell and point to the upper part of the anode shell;
the positive electrode case is provided with a positive electrode contactor 13 therein, and the first driving end 131 of the positive electrode contactor 13 is exposed from the positive electrode case in the short axis direction of the positive electrode case.
Specifically, to the problem that the battery circuit breaking unit in the prior art occupies a large volume, the placing positions of the first input end 11, the first output end 12 and the positive contactor 13 are adjusted in this embodiment, and then a small volume is realized. In one embodiment, the overall volume of the positive module 1 is 230mm 60mm 100 mm.
In a preferred embodiment, the positive electrode module further includes an intelligent fuse 14, and the positive electrode contactor 13 and the intelligent fuse 14 are sequentially disposed between the first input end 11 and the first output end 12 along the long axis direction of the positive electrode housing;
as shown in fig. 4, the positive contactor 13 is connected to the first input terminal 11 through a first positive copper bar 15;
the positive contactor 13 is connected to the intelligent fuse 14 through a second positive copper bar 16;
the intelligent fuse 14 is connected to the first output end 12 through a third positive copper bar 17;
the first positive copper bar 15, the second positive copper bar 16 and the third positive copper bar 17 are respectively provided with a first output terminal 18 connected to the controller;
specifically, to the problem that the space occupation is great, the security is poor that adopts the pencil connection between each module of the battery unit that opens circuit among the prior art, connect first input 11, anodal contactor 13, intelligent fuse 14 and first output 12 through setting gradually first anodal copper bar 15, the anodal copper bar 16 of second and the anodal copper bar 17 of third in this embodiment, realized wireless beam ization, and then effectively reduced anodal module 1's volume.
Further, in this embodiment, the first output terminal 18 is respectively disposed on the first positive electrode copper bar 15, the second positive electrode copper bar 16 and the third positive electrode copper bar 17, and is connected to the controller C, so that effective collection of loads on each part of the positive electrode module 1 is realized, and the controller C is convenient to control according to collected power information.
In the implementation process, the smart fuse 14 is a detonation type circuit breaker (Pyro switch), and the inside of the smart fuse is provided with a conductive copper bar and an explosive device for fusing the conductive copper bar. The explosion device is connected to the controller C through the controlled end, and the controller C selectively outputs an explosion signal according to the monitored electric power information so as to trigger the explosion device, so that the conductive copper bar is fused, and active protection is realized. In one embodiment, the actuation time of the smart fuse 14 is about 2ms, which can effectively protect the entire battery system. In one embodiment, the smart fuse 14 further integrates a current sensor, which determines whether the current circuit fails by detecting the current flowing through the smart fuse 14, and then triggers an explosive device to automatically protect the circuit. The first output terminal 18 is an integrated quick connection terminal formed by pressing a copper bar, and the specific design of the terminal can be realized by the prior art, such as a plug-in terminal for high-voltage sampling disclosed in chinese patent CN202021818557.3, or other similar technologies.
In a preferred embodiment, as shown in fig. 4, the first positive copper bar 15 is Z-shaped, and the first positive copper bar 15 extends from above the first input end 11 to above the positive contactor 13 through the side surface of the positive contactor 13;
the second positive copper bar 16 is zigzag, and the second positive copper bar 16 extends from the top of the positive contactor 13 to the top of the intelligent fuse 14 through the side of the positive contactor 13.
The third positive copper bar 17 is in a straight line shape and extends from the upper side of the intelligent fuse 14 to the upper side of the first output end 12.
Specifically, to the comparatively huge problem of battery open circuit unit volume among the prior art, through to first anodal copper bar 15 in this embodiment, the shape of second anodal copper bar 16 and third anodal copper bar 17 is adjusted, make first anodal copper bar 15, second anodal copper bar 16 and third anodal copper bar 17 can attach in anodal contactor 13 and the surface of intelligent fuse 14, and then realized the less volume of integral connection structure, make the volume of positive pole module 1 reduce.
In a preferred embodiment, positive contactor 13 comprises a positive contactor housing comprising a positive housing base plate;
the positive contactor shell and the positive shell bottom plate are integrally formed.
Specifically, to the problem that the battery open circuit unit in the prior art is bulky, the positive electrode contactor housing and the positive electrode housing bottom plate are integrally formed in this embodiment, so that bolts required for fixing the positive electrode contactor 13 in the prior art are omitted, and the size of the positive electrode module 1 is reduced.
In a preferred embodiment, as shown in fig. 3, the negative electrode module 2 includes a negative electrode housing (not shown), and a projection of the negative electrode housing is in a strip shape;
the second input end 21 and the second output end 22 are respectively arranged at two sides of the negative electrode shell along the long axis direction of the negative electrode shell and point to the upper part of the negative electrode shell;
the negative housing has a negative contact 23 disposed therein, and a second driving end 231 of the negative contact is exposed from the negative housing along a short axis direction of the negative housing.
Specifically, to the problem that the battery disconnection unit in the prior art occupies a large volume, the placement positions of the second input end 21, the second output end 22 and the negative contactor 23 are adjusted in this embodiment, so that a small volume is realized. In one embodiment, the overall volume of the negative module 2 is 150mm 65mm 100 mm.
In a preferred embodiment, as shown in fig. 5, the negative electrode module 2 further includes a current sensing module 24, the current sensing module 24 is disposed at a side of the negative electrode contact 23 close to the second input terminal 21;
the current sensing module 24 includes a sensing output end 241, the sensing output end 241 exposes the negative casing along the short axis direction of the negative casing, the current sensing module 24 is connected to the controller C through the sensing output end 241;
the second input end 21 is connected with the current sensing module 24 through a first negative copper bar 25;
the current sensing module 24 is connected with the negative contactor 23 through a second negative copper bar 26, the second negative copper bar 26 is 7-shaped and extends from the side surface of the negative contactor 23 to the upper part of the negative contactor 23;
the negative electrode contactor 23 is connected with the second output end 22 through a third negative electrode copper bar 27, the third negative electrode copper bar 27 is Z-shaped and extends to the second output end 22 from the upper part of the negative electrode contactor 23 through the side surface of the negative electrode contactor 23;
the second negative copper bar 26 and the third negative copper bar 27 are respectively provided with a second output terminal 28 connected to the controller C.
Specifically, set up corresponding sensing device because of needs to the battery outage unit among the prior art, lead to bulky problem, through set up the side of negative pole contactor 23 with current sensing module 24 in this embodiment to the route that loops through first negative pole copper bar 25, current sensing module 24, second negative pole copper bar 26 to negative pole contactor 23 from second input 21 is established, thereby when having realized integrating current sensing module 24 in negative pole module 2, whole volume has been reduced.
Further, to the comparatively huge problem of battery open circuit unit volume among the prior art, adjust through the shape to first negative pole copper bar 25, second negative pole copper bar 26 and third negative pole copper bar 27 in this embodiment for first negative pole copper bar 25, second negative pole copper bar 26 and third negative pole copper bar 27 can attach in the surface of negative pole contactor 23, and then have realized the less volume of integral connection structure, make the volume of negative pole module 2 reduce.
Meanwhile, in the present embodiment, the second output terminal 28 is respectively disposed on the second negative electrode copper bar 26 and the third negative electrode copper bar 27, and is connected to the controller C, so that effective collection of loads on each part of the negative electrode module 2 is realized, and the controller C is convenient to control according to collected power information.
In the implementation process, the second output terminal 28 is an integrated quick connection terminal formed by pressing a copper bar, and the specific design of the terminal can be implemented by the prior art, such as a plug-in terminal for high-voltage sampling disclosed in chinese patent CN202021818557.3, or other similar technologies.
In a preferred embodiment, negative contactor 23 comprises a negative contactor housing comprising a negative housing base plate;
the negative contactor shell and the negative shell bottom plate are integrally formed.
Specifically, to the comparatively huge problem of battery open circuit unit volume among the prior art, set up negative pole contactor shell and negative pole shell bottom plate as integrated into one piece in this embodiment, saved the required bolt of fixed negative pole contactor 23 among the prior art, and then reduced the volume of negative pole module 1.
A battery pack comprises a shell A1, a plurality of battery modules A2 and the battery breaking unit D are arranged in the shell, and the battery modules A2 are connected to an external driving motor B1 through the battery breaking unit D.
Specifically, for the battery pack in the prior art, because the overall size of the battery disconnection unit is too large, the battery pack needs to be provided with a larger housing to form the accommodating space of the battery disconnection unit, in this embodiment, the battery disconnection unit D is applied to the battery pack, and the separable positive module D1 and the negative module D2 are disposed in the housing a1, so that the battery disconnection unit D can be disposed in a narrower space, and the battery pack does not need to be provided with the larger housing a 1.
In a preferred embodiment, the battery disconnection unit D includes a positive electrode module D1 and a negative electrode module D2 separated from each other;
one side surface of the casing a1 is provided with an extension A3, and the projection surface of the extension A3 is rectangular;
a positive electrode module D1 and a negative electrode module D2 are arranged in the extending part A3;
as shown in fig. 7 and 8, the long axis direction of the extension A3 is disposed vertically or horizontally to the edge of the housing a 1;
the long axis direction of the positive electrode module D1 and the long axis direction of the negative electrode module D2 are parallel to the long axis direction of the extension portion A3.
Specifically, in order to achieve a smaller overall volume of the battery pack, the conventional larger cubic battery disconnection unit is selectively arranged as the positive electrode module D1 and the negative electrode module D2 which are separated from each other in the embodiment, so that the battery disconnection unit D can be arranged in a narrow area on the side of the housing a 1. Alternatively, for the T-shaped battery pack with a smaller extension A3 as shown in fig. 8, the placement of the positive module D1 and the negative module D2 is adjusted so that the battery disconnection unit D can be disposed in the narrower extension A3 as a whole.
The beneficial effects of the utility model reside in that: through setting up the anodal module and the negative pole module of alternate segregation for the whole volume of battery unit that opens circuit can reduce, and can adjust the position that sets up of anodal module and negative pole module in the battery package according to the user's demand, thereby make the user can make full use of battery package when designing the battery package set up anodal module and negative pole module in the residual space, reduced the space extravagant, reduce the research and development cost.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. A split battery disconnection unit is characterized by comprising a positive electrode module and a negative electrode module which are separated from each other;
the first input end of the positive pole module is connected to the positive pole of a battery module, and the first output end of the positive pole module is connected to the positive pole of a driving motor;
the second input end of the negative electrode module is connected to the negative electrode of the driving motor, and the second output end of the negative electrode module is connected to the negative electrode of the battery module;
the positive electrode module is internally provided with a positive electrode contactor, and a first driving end of the positive electrode contactor is connected to an external controller;
and a negative contactor is arranged in the negative module, and a second driving end of the negative contactor is connected to the controller.
2. The battery disconnect unit of claim 1, wherein the positive module comprises a positive housing, a projection of the positive housing having a bar shape;
the first input end and the first output end are respectively arranged on two sides of the positive electrode shell along the long axis direction of the positive electrode shell and point to the upper part of the positive electrode shell;
the positive pole shell is internally provided with the positive pole contactor, and the first driving end of the positive pole contactor is exposed out of the positive pole shell along the short axis direction of the positive pole shell.
3. The battery disconnect unit of claim 2, wherein the positive module further comprises a smart fuse, the positive contactor and the smart fuse being sequentially disposed between the first input terminal and the first output terminal along a long axis direction of the positive housing;
the positive contactor is connected to the first input end through a first positive copper bar;
the positive contactor is connected to the intelligent fuse through a second positive copper bar;
the intelligent fuse is connected to the first output end through a third positive copper bar;
and the first positive copper bar, the second positive copper bar and the third positive copper bar are respectively provided with a first output terminal connected to the controller.
4. The battery disconnect unit of claim 3, wherein the first positive copper bar is zigzag-shaped, the first positive copper bar extending from above the first input end, through a side of the positive contactor, to above the positive contactor;
the second positive copper bar is Z-shaped, and the second positive copper bar passes through the top of the positive contactor and extends to the side of the positive contactor above the intelligent fuse.
5. The battery disconnect unit of claim 2, wherein the positive contactor includes a positive contactor housing, the positive housing including a positive housing base plate;
the positive contactor shell and the positive shell bottom plate are integrally formed.
6. The battery disconnect unit of claim 1, wherein the negative module comprises a negative housing having a projection in the shape of a bar;
the second input end and the second output end are respectively arranged at two sides of the negative electrode shell along the long axis direction of the negative electrode shell and point to the upper part of the negative electrode shell;
the negative electrode contactor is arranged in the negative electrode shell, and the second driving end of the negative electrode contactor is exposed out of the negative electrode shell along the short axis direction of the negative electrode shell.
7. The battery disconnect unit of claim 6, wherein the negative module further comprises a current sensing module disposed on a side of the negative contactor proximate the second input;
the current sensing module comprises a sensing output end, the sensing output end is exposed out of the negative electrode shell along the short axis direction of the negative electrode shell, and the current sensing module is connected to the controller through the sensing output end;
the second input end is connected with the current sensing module through a first negative copper bar;
the current sensing module is connected with the negative contactor through a second negative copper bar, and the second negative copper bar is 7-shaped and extends to the upper part of the negative contactor from the side surface of the negative contactor;
the negative electrode contactor is connected with the second output end through a third negative electrode copper bar, and the third negative electrode copper bar is Z-shaped and extends to the second output end from the upper part of the negative electrode contactor through the side surface of the negative electrode contactor;
and the second negative electrode copper bar and the third negative electrode copper bar are respectively provided with a second output terminal connected to the controller.
8. The battery disconnect unit of claim 6, wherein the negative contactor comprises a negative contactor housing, the negative contactor housing comprising a negative housing floor;
the negative contactor shell and the negative shell bottom plate are integrally formed.
9. A battery pack comprising a housing in which a plurality of battery modules and the battery disconnection unit according to any one of claims 1 to 8 are disposed, the battery modules being connected to an external driving motor through the battery disconnection unit.
10. The battery pack of claim 9, wherein the battery disconnect unit includes a positive module and a negative module separated from each other;
one side surface of the shell is provided with an extension part, and the projection surface of the extension part is rectangular;
the extending part is internally provided with the positive electrode module and the negative electrode module;
the long axis direction of the extension part is vertical or horizontal to the edge of the shell;
the long axis direction of the anode module and the long axis direction of the cathode module are parallel to the long axis direction of the extension part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220508350.9U CN217485678U (en) | 2022-03-08 | 2022-03-08 | Split type battery unit and battery package that opens circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220508350.9U CN217485678U (en) | 2022-03-08 | 2022-03-08 | Split type battery unit and battery package that opens circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217485678U true CN217485678U (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220508350.9U Active CN217485678U (en) | 2022-03-08 | 2022-03-08 | Split type battery unit and battery package that opens circuit |
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| Country | Link |
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| CN (1) | CN217485678U (en) |
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- 2022-03-08 CN CN202220508350.9U patent/CN217485678U/en active Active
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