CN216311939U - Battery and expandable battery module - Google Patents
Battery and expandable battery module Download PDFInfo
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- CN216311939U CN216311939U CN202122212459.6U CN202122212459U CN216311939U CN 216311939 U CN216311939 U CN 216311939U CN 202122212459 U CN202122212459 U CN 202122212459U CN 216311939 U CN216311939 U CN 216311939U
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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 utility model discloses a battery and an expandable battery module, wherein the battery module comprises N batteries, wherein N is an integer greater than or equal to 2; each battery comprises a shell and a battery core component; the battery pack is arranged in the shell, a first connector and a second connector are respectively arranged at two ends of the shell, the first connector and the second connector respectively comprise a positive electrode interface and a negative electrode interface, the positive electrode of the battery pack is respectively electrically connected with the positive electrode interfaces of the first connector and the second connector, and the negative electrode of the battery pack is respectively electrically connected with the negative electrode interfaces of the first connector and the second connector; the batteries are sequentially butted through the first connector and the second connector, and the positive interface and the negative interface of the first connector of one battery which is butted with each other are respectively butted with the positive interface and the negative interface of the second connector of the other battery. The user can select the specific quantity of battery by oneself, can be suitable for the task of different electric quantity demands, improves the suitability, and simple structure installs easily simultaneously.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery and an expandable battery module.
Background
At present, batteries are widely used in our lives. The specification of each battery is determined at the time of production, for example, the battery capacity, the voltage, and the like. For some batteries with smaller battery capacity, the single-use time is shorter, and after the battery capacity is consumed, the battery needs to be charged or other batteries need to be replaced, so that the tasks of different electric quantities in life cannot be met.
However, in order to increase the capacity of the battery, the method mainly adopted at present is to fixedly connect a plurality of batteries into a whole in the production process so as to achieve the effect of increasing the capacity of the battery. However, the capacity of the battery is set by the manufacturer, and in daily life, the electric quantity actually required by each task is not consistent, and it is difficult to better match the requirements of each task by using a battery with a fixed large battery capacity or a fixed small battery capacity, which easily causes phenomena such as excessive electric quantity or insufficient electric quantity, and has low applicability, even influences the output power of the electric device or equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery and an expandable battery module, which can be suitable for tasks with different electric quantity requirements, improve the applicability, have a simple structure and are easy to install.
To achieve the above object, the present invention provides a battery including a case and an electric core assembly;
the battery pack sets up the casing, the both ends of casing are provided with first connector and second connector respectively, first connector with the second connector includes anodal interface and negative pole interface respectively, the positive pole of battery pack respectively with first connector with the anodal interface electricity of second connector is connected, the negative pole of battery pack respectively with first connector with the negative pole interface electricity of second connector is connected.
Optionally, the electric core assembly includes a plurality of electric core units arranged in parallel, the first connector further includes a first adaptor plate, the second connector further includes a second adaptor plate, the plurality of electric core units are arranged between the first adaptor plate and the second adaptor plate, the plurality of electric core units form M parallel electric core modules, M is an integer greater than or equal to 1, the positive electrode of each electric core module is electrically connected with the first adaptor plate and the second adaptor plate, the negative electrode of each electric core module is electrically connected with the first adaptor plate and the second adaptor plate, the positive electrode interface and the negative electrode interface of the first connector are connected to one side of the first adaptor plate far away from the electric core module and electrically connected with the first adaptor plate to be electrically connected with the positive electrode and the negative electrode of the electric core assembly respectively, the positive electrode interface and the negative electrode interface of the second connector are connected to one side of the second adaptor plate far away from the electric core module and with the first adaptor plate The two adapter plates are electrically connected with the anode and the cathode of the electric core assembly respectively.
Optionally, one of the first and second patch panels is a BMS panel.
Optionally, at least one of the cell modules includes at least two of the cell units, and the at least two cell units are connected in series through a connecting piece.
Optionally, the battery core assembly further comprises a heating film wrapping the battery cell unit.
Optionally, the battery cell assembly further includes two opposite mounting brackets, and the two ends of the battery cell unit are respectively inserted into the two mounting brackets.
Optionally, the electric core assembly further comprises a connecting wire, the positive electrode of the electric core assembly passes through the connecting wire and is respectively electrically connected with the first connector and the second connector, and the negative electrode of the electric core assembly passes through the connecting wire and is respectively electrically connected with the negative electrode of the first connector and the second connector.
In order to achieve the above object, the present invention provides a scalable battery module, which comprises N batteries as described above, wherein N is an integer greater than or equal to 2;
the batteries are sequentially butted through the first connector and the second connector, and the positive interface and the negative interface of the first connector of one battery, which are butted with each other, are butted with the positive interface and the negative interface of the second connector of the other battery respectively.
Optionally, the expandable battery module further includes screws, each of the housings is provided with a through hole, and the screws penetrate through the through holes to connect the batteries.
Optionally, each of the shells is annular, and the number of the through holes is multiple and distributed along each of the shells.
In the utility model, each battery is provided with the electric core assembly in the shell, the positive pole of the electric core assembly is electrically connected with the positive pole interfaces of the first connector and the second connector on the shell respectively, and the negative pole of the electric core assembly is electrically connected with the negative pole interfaces of the first connector and the second connector on the shell respectively, so that the electric core assembly is connected with the first connector and the second connector in parallel. When the task management system is used, a user can select the specific number of the batteries according to the required electric quantity of a task, the batteries are sequentially butted through the first connector and the second connector so as to be connected in parallel, and the corresponding battery capacity is increased so as to match the battery capacity with the task requirement. Therefore, the utility model not only can be suitable for tasks with different electric quantity requirements and improve the applicability, but also has simple structure and easy installation.
Drawings
Fig. 1 is a schematic perspective view illustrating an expandable battery module according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a single battery shown in fig. 1.
Fig. 3 is a schematic structural view of the single battery shown in fig. 2 after the single battery is hidden in the housing.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a further exploded view of fig. 4.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is further made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides an expandable battery module, which includes N batteries 1, where N is an integer greater than or equal to 2.
Each cell 1 includes a case 10 and an electric core assembly 11.
The cell assembly 11 is disposed in the housing 10, the two ends of the housing 10 are respectively provided with a first connector 12a and a second connector 12b, the first connector 12a and the second connector 12b respectively include a positive interface 121 and a negative interface 122, the positive electrode of the cell assembly 11 is respectively electrically connected with the positive interface 121 of the first connector 12a and the negative interface 122 of the second connector 12b, and the negative electrode of the cell assembly 11 is respectively electrically connected with the negative interface 122 of the first connector 12a and the second connector 12 b.
The batteries 1 are sequentially butted by the first connector 12a and the second connector 12b, and the positive electrode interface 121 and the negative electrode interface 122 of the first connector 12a of one battery 1 butted against each other are butted against the positive electrode interface 121 and the negative electrode interface 122 of the second connector 12b of the other battery 1, respectively.
In the present invention, each battery 1 is provided with a cell assembly 11 in its housing 10, and the positive electrode of the cell assembly 11 is electrically connected to the positive electrode interface 121 of the first connector 12a and the second connector 12b on the housing 10, respectively, and the negative electrode of the cell assembly 11 is electrically connected to the negative electrode interface 122 of the first connector 12a and the second connector 12b on the housing 10, respectively, so that the cell assembly 11 is connected in parallel to the first connector 12a and the second connector 12 b. When the task power supply device is used, a user can select the specific number of the batteries 1 according to the required electric quantity of a task, the batteries 1 are sequentially connected in a butt joint mode through the first connector 12a and the second connector 12b, so that the batteries 1 are connected in parallel, and the corresponding battery capacity is increased, so that the battery capacity is matched with the task requirement. Therefore, the utility model not only can be suitable for tasks with different electric quantity requirements and improve the applicability, but also has simple structure and easy installation.
Specifically, the expandable battery module may be charged by receiving electric energy through the first connector 12a and/or the second connector 12b and storing the electric energy in the electric core module 11.
Specifically, the positive electrode interface 121 and the negative electrode interface 122 of the first connector 12a and the second connector 12b may be two independent elements. The positive electrode interface 121 and the negative electrode interface 122 of the first connector 12a and the second connector 12b may also be integrated components, which are not limited herein.
Referring to fig. 3 to 5, in some embodiments, the battery core assembly 11 includes a plurality of battery cell units 111a arranged in parallel, the first connector 12a further includes a first adapter plate 123a, the second connector 12b further includes a second adapter plate 123b, the plurality of battery cell units 111a are arranged between the first adapter plate 123a and the second adapter plate 123b, the plurality of battery cell units 111a form M parallel battery cell modules 111, M is an integer greater than or equal to 1, a positive electrode of each battery cell module 111 is electrically connected to the first adapter plate 123a and the second adapter plate 123b, a negative electrode of each battery cell module 111 is electrically connected to the first adapter plate 123a and the second adapter plate 123b, a positive electrode interface 121 and a negative electrode interface 122 of the first connector 12a are connected to a side of the first adapter plate 123a away from the battery cell module 111 and are electrically connected to the first adapter plate 123a to be electrically connected to the positive electrode and the negative electrode of the battery core assembly 11 respectively, the positive interface 121 and the negative interface 122 of the second connector 12b are connected to a side of the second adapter plate 123b away from the battery cell module 111 and electrically connected to the second adapter plate 123b to be electrically connected to the positive electrode and the negative electrode of the battery cell assembly 11, respectively.
By using the first adapter plate 123a and the second adapter plate 123b, the anodes of the battery cell modules 111 are electrically connected to the positive interfaces 121 of the first connector 12a and the second connector 12b, and the cathodes of the battery cell modules 111 are electrically connected to the negative interfaces 122 of the first connector 12a and the second connector 12b, which is beneficial to enlarging the battery capacity of a single battery 1 and simultaneously makes the battery structure more reasonable.
Specifically, the specific number of the cell modules 111 and the cell units 111a may be set by itself, and the number of the cell modules 111 is less than or equal to the number of the cell units 111 a.
Further, at least one cell module 111 includes at least two cell units 111a, and the at least two cell units 111a are connected to each other in series by a connection tab 112.
Of course, the cell module 111 may also include a plurality of cell units 111a connected in parallel. The cell module 111 may include other types of cell units 111a, which is not limited herein.
Specifically, a circuit is provided on the connection sheet 112 to conduct the plurality of cell units 111a in series or in parallel. Of course, the parallel connection between the plurality of cell modules 111 may also be implemented by using the connection sheet 112.
In the preferred embodiment of the present invention, the connecting pad 112 is a nickel pad, which has better conductivity and is not easily oxidized. Of course, the connecting pads 112 may be made of other materials, such as copper sheets.
In the preferred embodiment of the present invention, the first connector 12a and the second connector 12b adopt a structure of connecting a plug and a connecting socket, which facilitates a reliable connection between the first connector 12a and the second connector 12 b. Of course, the specific structure of the first connector 12a and the second connector 12b may be other forms, and is not limited herein.
Further, one of the first and second interposer boards 123a and 123b is a BMS board. Set up the BMS board and be favorable to protecting battery circuit, increase of service life.
Further, the cell assembly 11 further includes a heating film 113, and the heating film 113 wraps the cell unit 111 a.
Due to the action of the heating film 113 on the cell assembly 11, a good working temperature can be provided for the cell assembly 11. Specifically, the heating film 113 is in an S-letter shape, and the heating film 113 is wound between the plurality of cell units 111a to wrap the plurality of cell units 111a, so that the cell units 111a are fixed conveniently, and each cell unit 111a can be ensured to be at a normal operating temperature, thereby prolonging the service life of the cell assembly 11.
Further, the cell assembly 11 further includes two opposite mounting brackets 114, and two ends of the plurality of cell units 111a are respectively inserted into the two mounting brackets 114.
Two mounting brackets 114 are provided, so that a plurality of battery cell units 111a can be conveniently fixed between the two mounting brackets 114, and the stability of the battery structure is ensured.
Specifically, the cell assembly 11 further includes insulating sheets 115, and the insulating sheets 115 are respectively attached to two ends of the M cell modules 111. The insulating sheet 115 is provided to prevent the short circuit of the anode and cathode contacts, so as to protect the circuit.
With continued reference to fig. 3-5, in some embodiments, the cell assembly 11 further includes a connecting wire 116, the positive electrode of the cell assembly 11 is electrically connected to the first connector 12a and the second connector 12b through the connecting wire 116, and the negative electrode of the cell assembly 11 is electrically connected to the negative electrodes of the first connector 12a and the second connector 12b through the connecting wire 116.
Through setting up connecting wire 116, not only can reduce battery inner structure component, but also can guarantee better power transmission, improve power transmission's stability.
Specifically, the positive electrode of the electric core assembly 11 is electrically connected to the first adapter plate 123a and the second adapter plate 123b through the connecting line 116, the positive electrode of the electric core assembly 11 is electrically connected to the positive electrode interface 121 of the first connector 12a and the second connector 12b through the first adapter plate 123a and the second adapter plate 123b, the negative electrode of the electric core assembly 11 is electrically connected to the first adapter plate 123a and the second adapter plate 123b through the connecting line 116, and the negative electrode interface 122 of the first connector 12a and the second connector 12b through the first adapter plate 123a and the second adapter plate 123b, so that the electric core assembly 11 is electrically connected to the first connector 12a and the second connector 12 b.
The connection of the positive and negative electrodes of the cell assembly 11 to the first and second adaptor plates 123a and 123b using the connection line 116 is not limited to a specific form. For example, when the battery cell assembly 11 includes at least two battery cell modules 111 connected in parallel, the positive electrode of each battery cell module 111 may be connected to one point (for example, connected by a connecting plate) and then electrically connected to the first adapter plate 123a and the second adapter plate 123b through the connecting line 116. For another example, the cathodes of the different battery cell modules 111 are electrically connected to the first interposer 123a and the second interposer 123b through the connection lines 116.
Referring to fig. 1 and 2, in some embodiments, the expandable battery module further includes screws 20, through holes 101 are respectively formed in the housings 10, and the screws 20 are inserted into the through holes 101 to connect the batteries 1.
Since the through holes 101 are formed in the case 10 of each battery 1, when the batteries 1 are sequentially connected to each other by the first connector 12a and the second connector 12b, the through holes 101 of the cases 10 correspond to each other, and the screws 20 are sequentially inserted through the through holes 101 of the cases 10 to lock the batteries 1, thereby improving connection stability.
Further, each housing 10 is annular, and the number of the through holes 101 is plural and distributed along each housing 10.
Since the plurality of through holes 101 are provided in the case 10 of each battery 1, the plurality of through holes 101 in each case 10 correspond to each other when the batteries 1 are sequentially butted, and the plurality of screws 20 are inserted into the corresponding through holes 101, respectively, to lock the batteries 1 more tightly, thereby further improving the connection stability.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the utility model.
Claims (10)
1. A battery comprising a housing and an electrical core assembly;
the battery pack sets up the casing, the both ends of casing are provided with first connector and second connector respectively, first connector with the second connector includes anodal interface and negative pole interface respectively, the positive pole of battery pack respectively with first connector with the anodal interface electricity of second connector is connected, the negative pole of battery pack respectively with first connector with the negative pole interface electricity of second connector is connected.
2. The battery of claim 1,
the electric core component comprises a plurality of electric core units arranged in parallel, the first connector further comprises a first adapter plate, the second connector further comprises a second adapter plate, the electric core units are arranged between the first adapter plate and the second adapter plate and are multiple, M electric core modules connected in parallel are formed by the electric core units, M is an integer larger than or equal to 1, the positive electrode of each electric core module is electrically connected with the first adapter plate and the second adapter plate, the negative electrode of each electric core module is electrically connected with the first adapter plate and the second adapter plate, the positive electrode interface and the negative electrode interface of the first connector are connected to one side, away from the electric core module, of the first adapter plate and electrically connected with the first adapter plate so as to be electrically connected with the positive electrode and the negative electrode of the electric core component respectively, the positive electrode interface and the negative electrode interface of the second connector are connected to one side, away from the electric core module, of the second adapter plate and the second adapter plate Electrically connected to respectively electrically connect with the positive and negative electrodes of the cell assembly.
3. The battery of claim 2, wherein one of the first and second interposer boards is a BMS board.
4. The battery of claim 2,
at least one battery cell module comprises at least two battery cell units, and the at least two battery cell units are connected in series through connecting sheets.
5. The battery of claim 2,
the battery core assembly further comprises a heating film, and the heating film wraps the battery core units.
6. The battery of claim 2,
the battery cell assembly further comprises two opposite mounting brackets, and the two ends of the battery cell units are respectively arranged on the two mounting brackets in a penetrating mode.
7. The battery according to any one of claims 1 to 6,
the battery pack still includes the connecting wire, the positive pole of battery pack passes through the connecting wire respectively with first connector with the second connector electricity is connected, the negative pole of battery pack passes through the connecting wire respectively with first connector with the negative pole electricity of second connector is connected.
8. An expandable battery module comprising N batteries according to any one of claims 1 to 7, wherein N is an integer of 2 or more;
the batteries are sequentially butted through the first connector and the second connector, and the positive interface and the negative interface of the first connector of one battery, which are butted with each other, are butted with the positive interface and the negative interface of the second connector of the other battery respectively.
9. The expandable battery module according to claim 8,
the battery pack is characterized by further comprising screw rods, wherein through holes are formed in the shells respectively, and the screw rods penetrate through the through holes to connect the batteries.
10. The expandable battery module according to claim 9,
each shell is annular, and the number of the through holes is multiple and is distributed along each shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122212459.6U CN216311939U (en) | 2021-09-13 | 2021-09-13 | Battery and expandable battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122212459.6U CN216311939U (en) | 2021-09-13 | 2021-09-13 | Battery and expandable battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216311939U true CN216311939U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122212459.6U Active CN216311939U (en) | 2021-09-13 | 2021-09-13 | Battery and expandable battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216311939U (en) |
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2021
- 2021-09-13 CN CN202122212459.6U patent/CN216311939U/en active Active
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| GR01 | Patent grant | ||
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Effective date of registration: 20221222 Address after: 523000 Room 301, building 1, No. 9, industrial West Third Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Dongguan chuangzhimei Technology Co.,Ltd. Address before: 523000 No. 9, industrial West Third Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee before: DONGGUAN CHUANGMING BATTERY TECHNOLOGY Co.,Ltd. |