CN210607437U - Output pole assembly and battery module - Google Patents
Output pole assembly and battery module Download PDFInfo
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- CN210607437U CN210607437U CN201921603685.3U CN201921603685U CN210607437U CN 210607437 U CN210607437 U CN 210607437U CN 201921603685 U CN201921603685 U CN 201921603685U CN 210607437 U CN210607437 U CN 210607437U
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- output
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- battery module
- pole assembly
- output pole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an output pole assembly and a battery module, wherein the output pole assembly comprises an output pole body; the output pole body comprises a connecting piece and an output piece; the connecting piece is used for connecting a battery core of the battery module, the output piece is used for connecting an external copper bar, and the connecting piece is fixedly connected with the output piece; the connecting piece and the output piece are made of the same material; the output piece is provided with a nickel sheet and is connected with an external copper bar through the nickel sheet; the problem of current battery module's output pole subassembly cost of manufacture high is solved, have the advantage that the cost of manufacture is low, structural strength is high.
Description
Technical Field
The utility model relates to the technical field of power especially involves an output utmost point subassembly and battery module.
Background
The output pole assembly is a connecting assembly for connecting the battery core of the battery module and the external copper bar of the battery module, and the output pole assembly is arranged at the battery core of the battery module so as to enable the current of the battery module to flow to the external copper bar through the output pole assembly.
Because the electric core of the battery is usually made of aluminum materials, for better installation of the output pole assembly, one end of the existing output pole assembly, which is used for being connected with the electric core, is set as an aluminum sheet, one end of the output pole assembly, which is used for being connected with a copper bar, is set as a copper sheet, and electrochemical corrosion can occur when the copper and the aluminum are directly connected with each other under the condition of electrification, therefore, the output pole assembly is formed by adopting ultrasonic welding between the aluminum sheet and the copper sheet, the ultrasonic welding is to transmit high-frequency vibration waves to the surfaces of two objects to be welded, and under the condition of pressurization, the surfaces of the two objects are mutually rubbed to form fusion between the two objects, so that atoms between the copper sheet and the aluminum sheet are closely arranged, further, the possibility of the electrochemical corrosion between the copper sheet and the aluminum sheet is reduced, the electric; however, the cost of ultrasonic welding is high, which in turn results in a high cost of manufacturing the output pole assembly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective aims at providing an output utmost point subassembly and battery module, aims at solving the problem that the output utmost point subassembly cost of manufacture of current battery module is high.
The utility model provides an output pole component, which comprises an output pole body; the output pole body comprises a connecting piece and an output piece; the connecting piece is used for connecting a battery core of the battery module, the output piece is used for connecting an external copper bar, and the connecting piece is fixedly connected with the output piece; the connecting piece and the output piece are made of the same material; the output piece is provided with a nickel sheet and is connected with an external copper bar through the nickel sheet.
Furthermore, the output pole body is formed by integrally punching an aluminum plate.
Furthermore, the output pole body is punched and formed with a bending part, one side of the bending part is connected with the connecting piece, and the other side of the bending part is connected with the output piece.
Further, the connecting member is parallel to the output member.
Further, the output piece is of a plate-shaped structure, the nickel sheets are arranged in two pieces, and the two nickel sheets are respectively arranged on two sides of the output piece in the thickness direction.
Further, the nickel sheet is fixed on the output member through hot pressing.
Further, the output pole assembly further comprises a locking member; the output piece is provided with a mounting hole, and the locking piece is matched with the mounting hole to fix an external copper bar on the output piece.
Further, the thickness of the nickel sheet is more than 0.1 mm.
Further, the tip of connecting piece is provided with the connecting hole, the connecting hole is used for connecting the electric core of battery module.
The utility model discloses another aspect provides a battery module, including battery body and above the output utmost point subassembly, the connecting piece connect in battery body's electric core.
The utility model discloses the beneficial effect who brings does: the connecting piece and the output piece are both made of the same material, and the two same materials can be fixed through a common welding mode, so that the connecting piece and the output piece can be fixedly connected through the common welding mode, a nickel sheet is arranged on the output piece, and the output piece provided with the nickel sheet is connected with the copper bar, so that the direct contact between the copper bar and the output piece made of aluminum is avoided, and the electrochemical corrosion between the output piece and the copper bar is avoided; because the connecting piece and the output piece are made of the same material, the connecting piece and the output piece are connected without using an ultrasonic welding mode, and the electrochemical corrosion of aluminum and copper can be avoided, so that the manufacturing cost of the output pole assembly is reduced; furthermore, the utility model discloses in, the output utmost point body is by the integrative stamping forming of an aluminum plate, has improved the intensity of output utmost point subassembly, has solved the problem that the output utmost point subassembly cost of manufacture of current battery module is high, has the advantage that the cost of manufacture is low, structural strength is high.
Drawings
Fig. 1 is a schematic structural view of an output electrode assembly of the present invention;
fig. 2 is an exploded view of the output electrode assembly of the present invention.
In the figure: 1. an output pole body; 11. a connecting member; 111. connecting holes; 12. an output member; 121. mounting holes; 13. a bending part; 2. a nickel sheet.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be described in further detail with reference to the accompanying fig. 1-2.
An output pole assembly, combining fig. 1 and 2, includes an output pole body 1; the output pole body 1 comprises a connecting piece 11 and an output piece 12; the connecting piece 11 is used for connecting a battery cell of the battery module, the output piece 12 is used for connecting an external copper bar, and the connecting piece 11 is fixedly connected with the output piece 12; the connecting piece 11 and the output piece 12 are made of the same material; the output piece 12 is provided with a nickel sheet 2, and the output piece 12 is connected with an external copper bar through the nickel sheet 2.
In the embodiment, one side of the connecting piece 11 adjacent to the output piece 12 is convexly arranged, so that the output pole assembly forms an avoiding space; because the battery core of the battery module is mostly made of aluminum, two same materials can be fixedly connected through a common welding mode, the connecting piece 11 and the output piece 12 are both made of aluminum, the aluminum has the characteristic of low melting point, and because the connecting piece 11 and the output piece 12 are both made of aluminum, the connecting piece 11 and the output piece 12 can be fixedly connected through the common welding mode, and the connecting piece 11 and the output piece 12 do not need to be fixed through an ultrasonic welding mode; and the output member 12 is provided with a nickel sheet 2; the nickel sheet 2 has the characteristics of high stability, high hardness, good wear resistance, good conductivity and the like, the nickel material cannot be subjected to electrochemical corrosion with the aluminum material, the output piece 12 provided with the nickel sheet 2 is connected with the copper bar, the direct contact between the copper bar and the output piece 12 made of the aluminum material is avoided, and further the electrochemical corrosion between the output piece 12 and the external copper bar is avoided; therefore, the output pole assembly provided by the utility model reduces the manufacturing cost of the output pole assembly, and can avoid electrochemical corrosion of aluminum and copper; the problem of current battery module's output pole subassembly cost of manufacture high is solved, have the advantage that the cost of manufacture is low, structural strength is high.
In one embodiment, the output pole body 1 is integrally formed by punching an aluminum plate.
In the embodiment, the output electrode body 1 is integrally formed in a punching mode according to the shape of the output electrode body 1 required by an actual battery, the manufacturing processes of integral punching are few, welding is not needed, the manufacturing processes are reduced, and the manufacturing cost of the output electrode body 1 is further reduced; in addition, output utmost point body 1 of integrative stamping forming has higher structural strength, and then has improved output utmost point body 1's structural strength, makes output utmost point subassembly have the advantage that the cost of manufacture is low, structural strength is high.
In one embodiment, the output electrode body 1 is stamped with a bending portion 13, one side of the bending portion 13 is connected to the connecting member 11, and the other side is connected to the output member 12.
In the present embodiment, the length direction of the bent portion 13 is parallel to the connection point of the connecting member 11 and the bent portion 13, and the bent portion 13 reinforces the strength of the output electrode body 1.
In one embodiment, connecting member 11 is parallel to output member 12.
In this embodiment, the bending portion 13 is perpendicular to the connecting member 11 and the output member 12, so the output electrode assembly is regular, the occupied space is small, the production process of the output electrode assembly is simple, and the production cost of the output electrode assembly is further reduced.
In one embodiment, the output member 12 is a plate-shaped structure, two nickel sheets 2 are disposed, and the two nickel sheets 2 are disposed on two sides of the output member 12 in the thickness direction.
In the embodiment, the upper surface and the lower surface of the output member 12 are both provided with the nickel sheets 2, the nickel sheets 2 are arranged into regular thin plates, and the nickel sheets 2 are arranged on both surfaces, so that both surfaces provided with the nickel sheets 2 can be connected with copper bars, and further the practicability of the output electrode assembly is enhanced; in other embodiments, the output pole assembly may also be irregularly shaped; in other embodiments, the outer side wall of the output part 12 is provided with the nickel sheet 2, the possibility of direct contact between the output part 12 and a copper bar is reduced, the possibility of electrochemical corrosion of aluminum and the copper bar is reduced, and the durability of the output pole assembly is improved.
In one embodiment, nickel plate 2 is secured to output member 12 by hot pressing.
In the embodiment, the nickel sheet 2 is fixed on the output member 12 by adopting a hot pressing mode, the hot pressing mode is simple in process, and the production cost is reduced.
In one embodiment, the output pole assembly further comprises a locking member (not shown); the output member 12 is provided with a mounting hole 121, and the locking member is matched with the mounting hole 121 to fix the external copper bar on the output member 12.
In this embodiment, the retaining member is provided as a bolt, and the bolt passes through the mounting hole 121, and installs the copper bar in output 12, makes the copper bar laminating be fixed in the one side of output 12, makes the copper bar install firmly.
In one embodiment, the thickness of the nickel plate 2 is greater than 0.1 mm.
In this embodiment, nickel piece 2 sets up to 1.1 millimeter, and according to the required pressure that bears of nickel piece 2 when installing the copper bar, the reasonable nickel piece 2 that sets up avoids nickel piece 2 to be collapsed and leads to the 12 direct contact of output spare of copper bar and aluminium material, has reduced and has taken place electrochemical corrosion between output spare 12 and the connecting piece 11.
In an embodiment, the end of the connecting member 11 is provided with a connecting hole 111, and the connecting hole 111 is used for connecting the battery cells of the battery module.
In this embodiment, the connection hole 111 is set to be circular, and when the output electrode assembly is mounted on the battery module, the electric core of the battery module passes through the connection hole 111 and is welded on the connecting member 11, so that the output electrode assembly is firmly mounted on the battery module.
The utility model discloses another aspect provides a battery module, including battery body and above output pole subassembly, connecting piece 11 is connected in battery body's electric core.
In this embodiment, the battery body is formed by connecting a plurality of batteries in series, and the connecting member 11 is connected to the electric core of the first battery or the electric core of the last battery.
The utility model discloses the principle of implementing does: one side of the connecting piece 11 adjacent to the output piece 12 is convexly arranged, so that an avoiding space is formed by the output pole assembly; because the battery core of the battery module is mostly made of aluminum, two same materials can be fixedly connected through a common welding mode, the connecting piece 11 and the output piece 12 are both made of aluminum, the aluminum has the characteristic of low melting point, and because the connecting piece 11 and the output piece 12 are both made of aluminum, the connecting piece 11 and the output piece 12 can be fixedly connected through the common welding mode, and the connecting piece 11 and the output piece 12 do not need to be fixed through an ultrasonic welding mode; and the output member 12 is provided with a nickel sheet 2; the nickel sheet 2 has the characteristics of high stability, high hardness, good wear resistance, good conductivity and the like, the nickel material cannot be subjected to electrochemical corrosion with the aluminum material, the output piece 12 provided with the nickel sheet 2 is connected with the copper bar, the direct contact between the copper bar and the output piece 12 made of the aluminum material is avoided, and further the electrochemical corrosion between the output piece 12 and the external copper bar is avoided; therefore, the output pole assembly provided by the utility model reduces the manufacturing cost of the output pole assembly, and can avoid electrochemical corrosion of aluminum and copper; the problem of current battery module's output pole subassembly cost of manufacture high is solved, have the advantage that the cost of manufacture is low, structural strength is high.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. An output pole assembly, comprising an output pole body;
the output pole body comprises a connecting piece and an output piece; the connecting piece is used for connecting a battery core of the battery module, the output piece is used for connecting a copper bar outside the battery module, and the connecting piece is fixedly connected with the output piece;
the connecting piece and the output piece are made of the same material;
the output piece is provided with a nickel sheet and is connected with an external copper bar through the nickel sheet.
2. The output pole assembly of claim 1, wherein the output pole body is integrally stamped and formed from an aluminum plate.
3. The output pole assembly of claim 2, wherein the output pole body is stamped and formed with a bend, one side of the bend being connected to the connecting member and the other side being connected to the output member.
4. The output pole assembly of claim 3, wherein the connecting member is parallel to the output member.
5. The output pole assembly of claim 1, wherein the output member is a plate-like structure, and the two nickel sheets are disposed on two sides of the output member in a thickness direction.
6. The output pole assembly of claim 1, wherein the nickel plate is secured to the output member by heat pressing.
7. The output pole assembly of claim 1, further comprising a retaining member; the output piece is provided with a mounting hole, and the locking piece is matched with the mounting hole to fix an external copper bar on the output piece.
8. The output pole assembly of claim 1, wherein the thickness of the nickel sheet is greater than 0.1 millimeters.
9. The output pole assembly of claim 1, wherein the end of the connecting member is provided with a connecting hole for connecting a cell of a battery module.
10. A battery module, comprising a battery body and the output electrode assembly of any one of claims 1 to 9, wherein the connecting member is connected to a cell of the battery body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603685.3U CN210607437U (en) | 2019-09-24 | 2019-09-24 | Output pole assembly and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603685.3U CN210607437U (en) | 2019-09-24 | 2019-09-24 | Output pole assembly and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210607437U true CN210607437U (en) | 2020-05-22 |
Family
ID=70691964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921603685.3U Active CN210607437U (en) | 2019-09-24 | 2019-09-24 | Output pole assembly and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210607437U (en) |
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2019
- 2019-09-24 CN CN201921603685.3U patent/CN210607437U/en active Active
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |