CN210224208U - Lithium battery capable of being mechanically sealed - Google Patents
Lithium battery capable of being mechanically sealed Download PDFInfo
- Publication number
- CN210224208U CN210224208U CN201921428283.4U CN201921428283U CN210224208U CN 210224208 U CN210224208 U CN 210224208U CN 201921428283 U CN201921428283 U CN 201921428283U CN 210224208 U CN210224208 U CN 210224208U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- steel
- circuit board
- steel shell
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 230000009467 reduction Effects 0.000 claims abstract description 12
- 241000270666 Testudines Species 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 description 10
- 210000004027 cell Anatomy 0.000 description 9
- 238000007789 sealing Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a but lithium cell of mechanical seal, it includes: a steel shell; the lithium battery body is arranged in the steel shell; the voltage reduction circuit board is respectively connected with the lithium battery body and the steel shell; and the positive cover is matched with the steel shell and is connected with the voltage reduction circuit board, and the positive cover is sleeved with an insulating sleeve and used for isolating the positive cover from the steel shell. Adopt above-mentioned design, make the utility model discloses seal and realized mechanization completely, improved the production efficiency of battery greatly.
Description
Technical Field
The utility model relates to a lithium cell especially relates to a lithium cell that can mechanically seal.
Background
The voltage of single section lithium cell is 3.6V, and people adopt the step-down circuit board to step down the lithium cell for lithium cell voltage is from 3.6V to 1.5V, and the lithium cell after the step-down can perfectly replace disposable 1.5V battery and nickel-hydrogen battery, and the wide application is electrical apparatus such as clock and watch, remote control, toy, KTV microphone, radio, DVD. The existing 1.5v lithium battery is mainly sealed by glue pouring or a circuit board is welded with a cap in parallel and combined, then a section of steel shell and the cap are sealed firstly, and then the steel shell with a sealed opening is connected with the battery through laser welding.
Accordingly, there is a need to design a mechanically sealable lithium battery that addresses one or more of the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
For solving one or more problems that exist among the prior art, the utility model provides a but lithium cell of mechanical seal.
The utility model discloses a reach the technical scheme that above-mentioned purpose adopted and be: a mechanically sealable lithium battery, comprising:
a steel shell;
the lithium battery body is arranged in the steel shell;
the voltage reduction circuit board is respectively connected with the lithium battery body and the steel shell; and
the positive pole lid, the positive pole lid with the steel-shelled turtle shell cooperatees, and with the step-down circuit board links to each other, the cover is equipped with insulating cover on the positive pole lid, be used for with the positive pole lid with the steel-shelled turtle shell is kept apart.
In some embodiments, the steel shell is cylindrical, open at the top, and closed at the bottom.
In some embodiments, the upper end of the steel shell is provided with a rolling groove for limiting the downward movement of the positive electrode cover.
In some embodiments, the step-down circuit board is provided with a positive electrode hole and a negative electrode hole, and the positive electrode hole and the negative electrode hole are respectively matched with a positive electrode and a negative electrode of the lithium battery body.
In some embodiments, the step-down circuit board is further provided with two tabs, and the two tabs are respectively connected with the positive electrode cover and the steel shell.
In some embodiments, the insulating sleeve is annular and has an "L" shaped longitudinal cross-section.
The utility model has the advantages that: compared with the prior art, the utility model discloses a: a steel shell; the lithium battery body is arranged in the steel shell; the voltage reduction circuit board is respectively connected with the lithium battery body and the steel shell; and the positive cover is matched with the steel shell and is connected with the voltage reduction circuit board, and the positive cover is sleeved with an insulating sleeve and used for isolating the positive cover from the steel shell. Adopt above-mentioned design, make the utility model discloses seal and realized mechanization completely, improved the production efficiency of battery greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention before sealing;
FIG. 2 is a schematic view of the sealed structure of the preferred embodiment of the present invention;
fig. 3 is an exploded view of the preferred embodiment of the present invention;
fig. 4 is a schematic circuit block diagram of the preferred embodiment of the present invention.
In the figure:
10. a steel shell; 11. rolling a groove;
20. a positive electrode cover; 21. and an insulating sleeve.
Detailed Description
In order to make the above objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
As shown in fig. 1-4, the present invention provides a lithium battery capable of being mechanically sealed, which is characterized in that the lithium battery capable of being mechanically sealed comprises:
a steel shell 10;
the lithium battery body is arranged in the steel shell 10;
the voltage reduction circuit board is respectively connected with the lithium battery body and the steel shell 10; and
Specifically, the positive and negative poles of the lithium battery body are connected with the voltage-reducing circuit board, the voltage-reducing circuit board is connected with the positive pole cover 20 and the steel shell 10 through the pole lugs, and at the moment, the whole circuit is disconnected. The battery compartment of an electric appliance is communicated with the electric appliance, the positive cover 20 and the steel shell 10 are separated by the insulating sleeve 21, the positive cover 20 serves as a positive pole, the steel shell 10 serves as a negative pole, the whole circuit is conducted, and the function of lithium battery power supply can be achieved. As shown in fig. 4, the voltage-reducing circuit board generally includes a protection circuit for overcurrent protection, a voltage-reducing circuit for reducing the voltage of the 3.6V lithium battery body to 1.5V, and a charging circuit for charging the lithium battery body, and when the circuit is turned on, the 3.6V lithium battery body outputs 1.5V voltage through the protection of the protection circuit and the voltage reduction of the voltage-reducing circuit. When the electric quantity of the lithium battery body is used up, 5V voltage can be adopted to charge the lithium battery body through the charging circuit and the protection circuit.
Use insulating cover 21 in this embodiment, insulating cover 21 is the annular setting, its longitudinal section is "L" type, can keep apart the bottom and the lateral wall of positive polar cap 20 with steel casing 10, can regard as the sealing washer again simultaneously, replace the encapsulating, only need use the capper to seal the top of steel casing 10 during sealing, it is complete mechanized to make to seal, omit the process that traditional sealing technique needs manual operation, for example, the encapsulating or the welding, the production process has been simplified, great improvement the production efficiency of lithium cell. The voltage reduction circuit board has the function of reducing voltage and also has the function of protection. It should be noted that the voltage-reducing circuit board and the lithium battery main body are already in the public technology, and therefore, detailed descriptions thereof are not provided in this embodiment.
In some embodiments, the steel can 10 is cylindrical, open at the top, and closed at the bottom.
Specifically, the side wall of the steel shell 10 above the rolling groove 11 is in the shape of an outwardly convex arc and is circular in a top view, and the shape is convenient for the sealing machine to seal.
In some embodiments, the steel shell 10 is provided with a rolling groove 11 at the upper end thereof for limiting the downward movement of the positive electrode cover 20.
Specifically, the slot rolling 11 can be used for encapsulating the lithium cell, and lithium cell body and step-down circuit board are located the below of slot rolling 11, and positive lid 20 is located the top of slot rolling 11, and slot rolling 11 all has a limiting displacement to lithium cell body, step-down circuit board and positive lid 20, and when utilizing the capper to exert pressure to box hat 10 top, positive lid 20 is restricted by slot rolling 11 and can not down move, is convenient for seal.
In some embodiments, the step-down circuit board is provided with a positive electrode hole and a negative electrode hole, and the positive electrode hole and the negative electrode hole are respectively matched with a positive electrode and a negative electrode of the lithium battery body.
Specifically, the negative electrode hole is provided at the edge on the step-down circuit board. The positive pole and the negative pole of the lithium battery body are respectively welded on the positive pole hole and the negative pole hole of the step-down circuit board, so that the lithium battery body and the positive pole are conveniently welded.
In some embodiments, two tabs are further disposed on the voltage-reducing circuit board, and the two tabs are respectively connected to the positive electrode cover 20 and the steel shell 10.
Specifically, in this example, the positive electrode was formed using an aluminum tab, and the negative electrode was formed using a nickel tab. The aluminum tab is connected with the positive electrode cover 20, namely the positive electrode cover 20 is used as the positive electrode of the embodiment, the nickel tab is connected with the steel shell 10, and the steel shell 10 is used as the negative electrode of the embodiment. The positive pole hole and the negative pole hole are separated from the connection part of the two tabs and the voltage reduction circuit board. By the design, the welding of the positive electrode cover 20 behind the rolling groove 11 is facilitated.
In some embodiments, the insulating sleeve 21 is annular and has an "L" shape in longitudinal section.
To sum up, the utility model comprises a steel shell 10; the lithium battery body is arranged in the steel shell 10; the voltage reduction circuit board is respectively connected with the lithium battery body and the steel shell 10; and the positive cover 20 is matched with the steel shell 10 and is connected with the voltage reduction circuit board, and the positive cover 20 is sleeved with an insulating sleeve 21 and used for isolating the positive cover 20 from the steel shell 10. Adopt above-mentioned design, make the utility model discloses seal and realized mechanization completely, improved the production efficiency of battery greatly.
The above-described embodiments are merely illustrative of one or more embodiments of the present invention, and the description thereof is more specific and detailed, but the scope of the invention is not limited thereto. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A mechanically sealable lithium battery, comprising:
a steel shell;
the lithium battery body is arranged in the steel shell;
the voltage reduction circuit board is respectively connected with the lithium battery body and the steel shell; and
the positive pole lid, the positive pole lid with the steel-shelled turtle shell cooperatees, and with the step-down circuit board links to each other, the cover is equipped with insulating cover on the positive pole lid, be used for with the positive pole lid with the steel-shelled turtle shell is kept apart.
2. The mechanically sealable lithium battery of claim 1 wherein the steel can is cylindrical, open-topped, and sealed at the bottom.
3. The mechanically sealable lithium battery of claim 2 wherein said steel can is provided with a roller groove at the upper end thereof for limiting downward movement of said positive electrode cover.
4. The mechanically sealable lithium battery of claim 3, wherein the step-down circuit board has a positive electrode hole and a negative electrode hole, and the positive electrode hole and the negative electrode hole are respectively matched with the positive electrode and the negative electrode of the lithium battery body.
5. The mechanically sealable lithium battery of claim 4 wherein said voltage step-down circuit board further comprises two tabs, said two tabs being connected to said positive electrode cap and said steel can, respectively.
6. The mechanically sealable lithium battery of claim 5 wherein said insulating sleeve is annular and has an "L" shaped longitudinal cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428283.4U CN210224208U (en) | 2019-08-29 | 2019-08-29 | Lithium battery capable of being mechanically sealed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428283.4U CN210224208U (en) | 2019-08-29 | 2019-08-29 | Lithium battery capable of being mechanically sealed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210224208U true CN210224208U (en) | 2020-03-31 |
Family
ID=69920040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428283.4U Expired - Fee Related CN210224208U (en) | 2019-08-29 | 2019-08-29 | Lithium battery capable of being mechanically sealed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210224208U (en) |
-
2019
- 2019-08-29 CN CN201921428283.4U patent/CN210224208U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |