CN211045654U - Monitoring power lithium battery shell potential structure - Google Patents
Monitoring power lithium battery shell potential structure Download PDFInfo
- Publication number
- CN211045654U CN211045654U CN201921989187.7U CN201921989187U CN211045654U CN 211045654 U CN211045654 U CN 211045654U CN 201921989187 U CN201921989187 U CN 201921989187U CN 211045654 U CN211045654 U CN 211045654U
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- Prior art keywords
- cover plate
- potential
- electric
- power lithium
- monitoring
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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 monitoring power lithium battery shell potential structure, wherein a connecting sheet is positioned at the top of a cover plate, one end of the connecting sheet is fixedly connected with the cover plate, an electric connecting position is arranged on the connecting sheet, and an installation component electrically connected with the outside is arranged on the electric connecting position; simple structure, low cost, battery case electric potential conduction to connection piece can be with voltage acquisition pencil and connection piece fastening connection through the installation component, can reliably accurately monitor power lithium cell casing electric potential when the battery uses and can effectively monitor electric core casing and negative pole voltage, discovers in advance that electric core casing and negative pole short circuit and the casing that causes corrodes the weeping and a series of power lithium cell inefficacy that cause.
Description
Technical Field
The utility model relates to a power lithium cell field especially relates to a control power lithium cell casing potential structure.
Background
The lithium battery has the advantages of high energy density, long service life and the like, and is widely applied to electric automobiles, standby power supply systems and micro-grid energy storage systems. The power lithium battery comprises a roll core, electrolyte, a shell, a cover plate and other structures. In the conventional monitoring of the battery pack or the single battery cell, only the open-circuit voltage, the temperature rise, the current and the like of the battery pack or the single battery cell are monitored.
However, the case often fails in series such as battery leakage due to case corrosion caused by negative short circuit caused by poor reasons such as broken tabs, powder at the bottom of the battery, pole piece wires and the like.
SUMMERY OF THE UTILITY MODEL
For the technical problem who exists among the solution background art, the utility model provides a control power lithium cell casing potential structure.
The utility model provides a pair of control power lithium cell casing potential structure, include: a cover plate and a connecting sheet;
the connecting piece is located the apron top and one end and apron fixed connection, is equipped with the electricity on the connecting piece and connects the position, be equipped with the installation component of being connected with outside electricity on the electricity connection position.
Preferably, the electric connection position is provided with a mounting hole, the mounting assembly comprises a bolt and a nut, the nut is positioned on one side of the mounting hole, and one end of the bolt penetrates through the mounting hole to be in threaded fit with the nut.
Preferably, the connecting piece comprises a fixing part and a connecting part which are connected in sequence, the fixing part is fixedly connected with the cover plate, the connecting part extends out of the cover plate, and the electric connecting position is located on the connecting part.
Preferably, the fixing part is fixed to the cover plate by welding.
Preferably, the connecting piece and the cover plate are made of the same metal material.
Preferably, the connecting piece and the cover plate are both made of aluminum materials.
Preferably, the device also comprises a shell, the cover plate is arranged on the shell, and the shell is also made of aluminum material.
Preferably, the connecting piece has an L-type structure, and the fixing portion and the connecting portion are arranged perpendicularly.
In the utility model, the connecting sheet is positioned at the top of the cover plate, one end of the connecting sheet is fixedly connected with the cover plate, the connecting sheet is provided with an electric connecting position, and the electric connecting position is provided with an installation component which is electrically connected with the outside; simple structure, low cost, battery case electric potential conduction to connection piece can be with voltage acquisition pencil and connection piece fastening connection through the installation component, can reliably accurately monitor power lithium cell casing electric potential when the battery uses and can effectively monitor electric core casing and negative pole voltage, discovers in advance that electric core casing and negative pole short circuit and the casing that causes corrodes the weeping and a series of power lithium cell inefficacy that cause.
Drawings
Fig. 1 is the utility model provides a monitor power lithium battery shell potential structure's schematic structure.
Fig. 2 is a structural diagram of the connecting sheet of fig. 1.
Detailed Description
As shown in fig. 1 and 2, fig. 1 is a schematic structural diagram of a structure for monitoring a potential of a power lithium battery case provided by the present invention, and fig. 2 is a schematic structural diagram of a connecting sheet of fig. 1.
Referring to fig. 1 and 2, the utility model provides a control power lithium battery case potential structure, include: a cover plate 1 and a connecting sheet 2;
the connecting sheet 2 is positioned at the top of the cover plate 1, one end of the connecting sheet is fixedly connected with the cover plate 1, an electric connecting position is arranged on the connecting sheet 2, and an installation component electrically connected with the outside is arranged on the electric connecting position.
In the embodiment, the connecting sheet is positioned at the top of the cover plate, one end of the connecting sheet is fixedly connected with the cover plate, the connecting sheet is provided with an electric connecting position, and the electric connecting position is provided with an installation component electrically connected with the outside; simple structure, low cost, battery case electric potential conduction to connection piece can be with voltage acquisition pencil and connection piece fastening connection through the installation component, can reliably accurately monitor power lithium cell casing electric potential when the battery uses and can effectively monitor electric core casing and negative pole voltage, discovers in advance that electric core casing and negative pole short circuit and the casing that causes corrodes the weeping and a series of power lithium cell inefficacy that cause.
In a specific embodiment of the mounting assembly, a mounting hole is formed in the electric connection position, the mounting assembly comprises a bolt 3 and a nut 4, the nut 4 is located on one side of the mounting hole, and one end of the bolt 3 penetrates through the mounting hole to be in threaded fit with the nut 4; during installation, the voltage acquisition wiring harness is fastened with the connecting piece through bolts and nuts, and therefore the potential on the battery cover plate is monitored through detecting the potential of the connecting piece.
In a specific embodiment of the connecting sheet, the connecting sheet 2 includes a fixing portion 21 and a connecting portion 22 connected in sequence, the fixing portion 21 is fixedly connected with the cover plate 1, the connecting portion 22 extends from the cover plate 1, and the electrical connection position is located on the connecting portion 22.
In a further embodiment, the connecting piece 2 has an L-type structure, and the fixing portion 21 and the connecting portion 22 are arranged vertically.
In a specific fixing mode, the fixing portion 21 is welded and fixed with the cover plate 1, so that the cost is low, and the installation reliability is ensured.
In the material selection, the connecting sheet 2 and the cover plate 1 are made of the same metal material; preferably, the connecting tabs 2 and the cover plate 1 are made of aluminum material, which on the one hand ensures the reliability of the welding and on the other hand also ensures that the potential is not influenced by the material.
In order to ensure the reliability of the detection, the potential structure of the present embodiment further includes a housing 5, the cover plate 1 is mounted on the housing 5, and the housing 5 is also made of aluminum material.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A structure for monitoring the potential of a power lithium battery shell, comprising: a cover plate (1) and a connecting sheet (2);
the connecting piece (2) is located at the top of the cover plate (1), one end of the connecting piece is fixedly connected with the cover plate (1), an electric connecting position is arranged on the connecting piece (2), and an installation assembly electrically connected with the outside is arranged on the electric connecting position.
2. The structure for monitoring the potential of the shell of the power lithium battery as claimed in claim 1, wherein the electric connection position is provided with a mounting hole, the mounting component comprises a bolt (3) and a nut (4), the nut (4) is positioned at one side of the mounting hole, and one end of the bolt (3) passes through the mounting hole to be in threaded fit with the nut (4).
3. The structure for monitoring the potential of a shell of a power lithium battery as claimed in claim 1, wherein the connecting piece (2) comprises a fixing portion (21) and a connecting portion (22) which are connected in sequence, the fixing portion (21) is fixedly connected with the cover plate (1), the connecting portion (22) extends out of the cover plate (1), and the electric connecting position is located on the connecting portion (22).
4. The structure for monitoring the potential of a housing of a lithium-ion power battery according to claim 3, characterized in that the fixing portion (21) is welded to the cover plate (1).
5. The structure for monitoring the potential of a housing of a lithium-ion power battery as claimed in claim 4, characterized in that the connecting piece (2) and the cover plate (1) are made of the same metal material.
6. The structure for monitoring the potential of a housing of a power lithium battery as claimed in claim 5, characterized in that the connecting tabs (2) and the cover plate (1) are made of aluminum material.
7. The structure for monitoring the potential of a housing of a powered lithium battery as claimed in claim 6, further comprising a housing (5), the cover plate (1) being mounted on the housing (5), the housing (5) also being made of an aluminum material.
8. The structure for monitoring the potential of a housing of a powered lithium battery according to claim 3, characterized in that the connecting tab (2) has a L-type structure, the fixing portion (21) and the connecting portion (22) being arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921989187.7U CN211045654U (en) | 2019-11-18 | 2019-11-18 | Monitoring power lithium battery shell potential structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921989187.7U CN211045654U (en) | 2019-11-18 | 2019-11-18 | Monitoring power lithium battery shell potential structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045654U true CN211045654U (en) | 2020-07-17 |
Family
ID=71533724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921989187.7U Active CN211045654U (en) | 2019-11-18 | 2019-11-18 | Monitoring power lithium battery shell potential structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045654U (en) |
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2019
- 2019-11-18 CN CN201921989187.7U patent/CN211045654U/en active Active
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