CN209979359U - Lithium battery diaphragm puncture strength test structure - Google Patents
Lithium battery diaphragm puncture strength test structure Download PDFInfo
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- CN209979359U CN209979359U CN201920785690.4U CN201920785690U CN209979359U CN 209979359 U CN209979359 U CN 209979359U CN 201920785690 U CN201920785690 U CN 201920785690U CN 209979359 U CN209979359 U CN 209979359U
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Abstract
The utility model relates to a lithium cell diaphragm puncture strength test structure, this test structure include puncture structure, sample fixed knot construct and guide rail fixed knot construct, puncture structrual installation is on sample fixed knot constructs, and is provided with guide rail fixed knot under the sample fixed knot constructs and constructs, guide rail fixed knot constructs including the base, be provided with the guide rail on the base, through locating pin locking sample fixed knot structure on the guide rail, sample fixed knot constructs including the sample platform, be provided with sample unable adjustment base on the sample platform, be provided with the sample fixation clamp on the sample unable adjustment base, puncture structure includes the pjncture needle, pjncture needle end connection bearing part, the extensible part is connected to the bearing part upper end, extensible part connects drive assembly, drive assembly is fixed in on the support. The advantages are that: this test structure convenient operation, simple structure, with low costs, easy maintenance can be accurate, swift test out lithium cell diaphragm puncture intensity.
Description
Technical Field
The utility model relates to a new forms of energy technical field especially relates to a lithium cell diaphragm puncture strength test structure.
Background
In the lithium battery, an electrode is prepared by mixing an active substance, a conductive agent, a plasticizer and a binder, coating the mixture on a metal foil and drying the mixture, so that the surface of the electrode is a concave-convex surface formed by tiny particles, a diaphragm between the electrode plates is mixed with the electrode plates and needs to bear certain pressure to prevent the electrode plates from being punctured and causing short circuit, meanwhile, dendritic crystals (iron, lithium and the like) are easily formed on the interface of the electrode plates in the charging and discharging process of the battery, and the diaphragm also needs to be puncture-resistant and prevent the short circuit. Therefore, it is very necessary to test the puncture strength of the separator. However, the existing diaphragm testing method has low working efficiency, and only one sample can be tested at a time, so a new technical scheme is required to solve the problems.
Therefore, a new technology is required to solve the above technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: to the aforesaid not enough, provide a convenient operation, simple structure's lithium cell diaphragm puncture strength test structure.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a lithium battery diaphragm puncture strength test structure, this test structure includes puncture structure, sample fixed knot construct and guide rail fixed knot construct, puncture structrual installation is on sample fixed knot constructs, and is provided with guide rail fixed knot under the sample fixed knot constructs and constructs, guide rail fixed knot constructs including the base, be provided with the guide rail on the base, lock sample fixed knot structure through the locating pin on the guide rail.
The sample fixing structure comprises a sample table, wherein a sample fixing base is arranged on the sample table, and a sample fixing clamp is arranged on the sample fixing base.
The sample table is provided with at least three groups of sample fixing bases and sample fixing clamps.
The sample holder had an inner diameter of 10 mm.
The puncture structure comprises a puncture needle, the tail part of the puncture needle is connected with a bearing part, the upper end of the bearing part is connected with a telescopic part, the telescopic part is connected with a driving part, and the driving part is fixed on the bracket.
The diameter of the puncture needle is 1mm, the tip is a spherical surface, and the radius is 0.5 mm.
Compared with the prior art, the utility model discloses the technological effect who reaches is: this test structure convenient operation, simple structure, with low costs, easy maintenance can be accurate, swift test out lithium cell diaphragm puncture intensity.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows:
as shown in fig. 1, the utility model discloses a lithium cell diaphragm puncture strength test structure, this test structure include puncture structure, sample fixed knot construct and guide rail fixed knot construct, puncture structrual installation is on sample fixed knot constructs, and is provided with guide rail fixed knot under the sample fixed knot constructs, guide rail fixed knot constructs including base 1, be provided with guide rail 2 on the base 1, through 3 locking sample fixed knot constructs of locating pin on the guide rail 2.
The sample fixing structure comprises a sample table 4, wherein a sample fixing base 5 is arranged on the sample table 4, and a sample fixing clamp 6 is arranged on the sample fixing base 5.
The sample holder 6 functions to hold a diaphragm test sample.
The sample table 4 is provided with at least three groups of sample fixing bases 5 and sample fixing clamps 6.
Through the removal of guide rail 2, realize that the puncture structure once punctures the test to the sample of at least three groups, improved work efficiency.
The sample holding clip 6 has an inner diameter of 10 mm.
The puncture structure comprises a puncture needle 7, the tail of the puncture needle 7 is connected with a bearing part 8, the upper end of the bearing part 8 is connected with a telescopic part 9, the telescopic part 9 is connected with a driving part 10, and the driving part 10 is fixed on a support 11.
The diameter of the puncture needle 7 is 1mm, the tip is a spherical surface, and the radius is 0.5 mm.
Compared with the prior art, the utility model discloses the technological effect who reaches is: this test structure convenient operation, simple structure, with low costs, easy maintenance can be accurate, swift test out lithium cell diaphragm puncture intensity.
The working principle is as follows: a plurality of samples are fixed on the sample table 4 through the sample fixing clamp 6, the puncture needle 7 is used for testing the puncture strength of the samples, the sample table 4 is moved at a certain distance horizontally through the guide rail 2, the puncture strength of the samples is tested, and the working efficiency is improved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a lithium battery diaphragm puncture strength test structure which characterized in that: this test structure includes puncture structure, sample fixed knot construct and guide rail fixed knot construct, puncture structrual installation is on sample fixed knot constructs, and is provided with guide rail fixed knot under the sample fixed knot constructs and constructs, guide rail fixed knot constructs including the base, be provided with the guide rail on the base, lock sample fixed knot through the locating pin on the guide rail constructs.
2. The lithium battery separator puncture strength test structure according to claim 1, characterized in that: the sample fixing structure comprises a sample table, wherein a sample fixing base is arranged on the sample table, and a sample fixing clamp is arranged on the sample fixing base.
3. The lithium battery separator puncture strength test structure according to claim 2, characterized in that: the sample table is provided with at least three groups of sample fixing bases and sample fixing clamps.
4. The lithium battery separator puncture strength test structure according to claim 2, characterized in that: the sample holder had an inner diameter of 10 mm.
5. The lithium battery separator puncture strength test structure according to claim 1, characterized in that: the puncture structure comprises a puncture needle, the tail part of the puncture needle is connected with a bearing part, the upper end of the bearing part is connected with a telescopic part, the telescopic part is connected with a driving part, and the driving part is fixed on the bracket.
6. The lithium battery separator puncture strength test structure according to claim 5, characterized in that: the diameter of the puncture needle is 1mm, the tip is a spherical surface, and the radius is 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785690.4U CN209979359U (en) | 2019-05-28 | 2019-05-28 | Lithium battery diaphragm puncture strength test structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785690.4U CN209979359U (en) | 2019-05-28 | 2019-05-28 | Lithium battery diaphragm puncture strength test structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979359U true CN209979359U (en) | 2020-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920785690.4U Active CN209979359U (en) | 2019-05-28 | 2019-05-28 | Lithium battery diaphragm puncture strength test structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979359U (en) |
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2019
- 2019-05-28 CN CN201920785690.4U patent/CN209979359U/en active Active
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