CN202562811U - Device for detecting tensile strength of battery separator - Google Patents
Device for detecting tensile strength of battery separator Download PDFInfo
- Publication number
- CN202562811U CN202562811U CN2012201952395U CN201220195239U CN202562811U CN 202562811 U CN202562811 U CN 202562811U CN 2012201952395 U CN2012201952395 U CN 2012201952395U CN 201220195239 U CN201220195239 U CN 201220195239U CN 202562811 U CN202562811 U CN 202562811U
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- clamping part
- anchor clamps
- battery diaphragm
- pick
- unit
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Abstract
The invention relates to a device for detecting tensile strength of battery separator, which comprises two clampers; a tensile force sensor connected with one of the clampers; and a driving mechanism connected with one of the clampers and driving the clamper to move in the direction away from the other clamper. The invention uses the two clampers to clamp the two ends of the battery separator; when the driving mechanism drives one clamper to move, tensile force on the battery separator is generated and detected by the tensile force sensor; and according to the maximum tensile force in case of breakage of the separator, the tensile strength is obtained. The invention has accurate test result, simple structure, simple and quick testing process, and low cost.
Description
Technical field
The utility model relates to a kind of battery diaphragm detection technique, relates in particular to a kind of pick-up unit of battery diaphragm pulling strengrth.
Background technology
The development of lithium ion battery now very rapidly, and battery diaphragm also the growth requirement along with lithium ion battery is huge.
The charge and discharge cycles process of the assembling of battery and battery all needs battery diaphragm to have certain mechanical strength.In lithium ion battery, battery diaphragm directly contacts with negative pole with the positive pole with crust, in the charge and discharge process of lithium ion battery, and the expansion and the contraction of positive pole and negative pole generating period property.Because the space of inside battery is fixed, the expansion of electrode also can act on the battery diaphragm with shrinking simultaneously, makes battery diaphragm by repeatedly extruding and lax.In this case, if the pulling strengrth of battery diaphragm is not enough, just be easy to cause breaking of battery diaphragm, thereby cause the inside battery micro-short circuit.
Therefore, must measure accurately the pulling strengrth of battery diaphragm, be that lithium ion battery brings potential safety hazard to prevent defective battery diaphragm.
The utility model content
To above-mentioned technical matters, the utility model has been designed and developed a kind of pick-up unit of battery diaphragm pulling strengrth.In the utility model; Utilize two anchor clamps two ends of clamping battery diaphragm respectively; When one of them anchor clamps of drive mechanism move; Will produce tensile force gradually to battery diaphragm, tensile force sensor tensile force, the maximum stretching force when according to battery diaphragm fracture taking place obtains the pulling strengrth of battery diaphragm.The utility model test result is accurate, and is simple in structure, and the test process simple and fast is with low cost.
The technical scheme of the utility model is:
A kind of pick-up unit of battery diaphragm pulling strengrth comprises:
Two anchor clamps;
The tensile force sensor, it is connected with anchor clamps in said two anchor clamps; And
Driving mechanism, it is connected with anchor clamps in said two anchor clamps, drives anchor clamps in said two anchor clamps to moving away from the direction of another anchor clamps.
Preferably, in the pick-up unit of described battery diaphragm pulling strengrth, said anchor clamps have first clamping part and second clamping part, and said second clamping part is connected with said first clamping part with mode that can the said relatively first clamping part folding.
Preferably, in the pick-up unit of described battery diaphragm pulling strengrth, said second clamping part is connected with said first clamping part with mode that can the said relatively first clamping part folding, realize in the following manner,
Has the through hole that runs through on said first clamping part with internal thread; Said second clamping part is connected with a bolt; Said bolt cooperates with said through hole whorl, and said bolt screws in said through hole, so that said second clamping part and said first clamping part clamp each other.
Preferably, in the pick-up unit of described battery diaphragm pulling strengrth, said first clamping part has an open slot, and when said bolt screwed in said through hole, said second clamping part got into said open slot.
Preferably, in the pick-up unit of described battery diaphragm pulling strengrth, said open slot is consistent with the shape of said second clamping part.
Preferably, in the pick-up unit of described battery diaphragm pulling strengrth, the relative vertical direction of said two anchor clamps is corresponding to be provided with.
Preferably, the pick-up unit of described battery diaphragm pulling strengrth also comprises:
Data processing equipment, it is connected with said tensile force sensor, receives the tensile force signal of said tensile force sensor.
Preferably, in the pick-up unit of described battery diaphragm pulling strengrth, said data processing equipment is a computing machine.
Preferably, the pick-up unit of described battery diaphragm pulling strengrth also comprises:
Control device, it is connected with said driving mechanism, controls anchor clamps in said two anchor clamps of said drive mechanism to moving away from the direction of another anchor clamps.
Preferably, in the pick-up unit of described battery diaphragm pulling strengrth, the end of an end of the said through hole of screw-in of said bolt also is connected with a Handheld Division.
The pick-up unit of the described battery diaphragm pulling strengrth of the utility model; Utilize two anchor clamps two ends of clamping battery diaphragm respectively; When one of them anchor clamps of drive mechanism move; Will produce tensile force gradually to battery diaphragm, tensile force sensor tensile force, the maximum stretching force when according to battery diaphragm fracture taking place obtains the pulling strengrth of battery diaphragm.The utility model test result is accurate, and is simple in structure, and the test process simple and fast is with low cost.
Description of drawings
Fig. 1 is the structural representation of the pick-up unit of the described battery diaphragm pulling strengrth of the utility model.
Fig. 2 is the structural representation of anchor clamps of the pick-up unit of the described battery diaphragm pulling strengrth of the utility model.
Fig. 3 is the vertical view of A portion among Fig. 2.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3, the utility model provides a kind of pick-up unit of battery diaphragm pulling strengrth, comprising: two anchor clamps; Tensile force sensor 1, it is connected with anchor clamps 2 in said two anchor clamps; And driving mechanism, it is connected with anchor clamps 3 in said two anchor clamps, drives anchor clamps in said two anchor clamps to moving away from the direction of another anchor clamps.
In the pick-up unit of described battery diaphragm pulling strengrth, said anchor clamps have first clamping part 22 and second clamping part 23, and said second clamping part 23 is connected with said first clamping part with mode that can 22 foldings of said relatively first clamping part.
In the pick-up unit of described battery diaphragm pulling strengrth; Said second clamping part 23 is connected with said first clamping part with mode that can 22 foldings of said relatively first clamping part; Realize in the following manner; Have the through hole with internal thread 25 that runs through on said first clamping part 22, said second clamping part 23 is connected with a bolt 21, said bolt 21 and said through hole 25 threaded engagement; Said bolt screws in said through hole, so that said second clamping part and said first clamping part clamp each other.
In the pick-up unit of described battery diaphragm pulling strengrth, said first clamping part 22 has an open slot 24, and when said bolt 21 screwed in said through hole 25, said second clamping part got into said open slot 24.
In the pick-up unit of described battery diaphragm pulling strengrth, said open slot 24 is consistent with the shape of said second clamping part 23.
In the pick-up unit of described battery diaphragm pulling strengrth, the relative vertical direction of said two anchor clamps is corresponding to be provided with.
The pick-up unit of described battery diaphragm pulling strengrth also comprises: data processing equipment, it is connected with said tensile force sensor, receives the tensile force signal of said tensile force sensor.
In the pick-up unit of described battery diaphragm pulling strengrth, said data processing equipment is a computing machine.
The pick-up unit of described battery diaphragm pulling strengrth also comprises: control device, it is connected with said driving mechanism, controls anchor clamps in said two anchor clamps of said drive mechanism to moving away from the direction of another anchor clamps.
In the pick-up unit of described battery diaphragm pulling strengrth, the end of an end of the said through hole of screw-in of said bolt also is connected with a Handheld Division 26.
The course of work of the utility model is: tailor the battery diaphragm sample of definite shape, and battery diaphragm is sandwiched in the anchor clamps, with the certain speed starting outfit.The tensile force of the maximum during according to sample fracture obtains the pulling strengrth of battery diaphragm sample.
Above-mentioned each embodiment only is used to explain the utility model; The structure of each parts and connected mode all can change to some extent; On the basis of the utility model technical scheme; All improvement and equivalents of the connection and the structure of individual component being carried out according to the utility model principle all should not got rid of outside the protection domain of the utility model.
Claims (10)
1. the pick-up unit of a battery diaphragm pulling strengrth is characterized in that, comprising:
Two anchor clamps;
The tensile force sensor, it is connected with anchor clamps in said two anchor clamps; And
Driving mechanism, it is connected with anchor clamps in said two anchor clamps, drives anchor clamps in said two anchor clamps to moving away from the direction of another anchor clamps.
2. the pick-up unit of battery diaphragm pulling strengrth as claimed in claim 1; It is characterized in that; Said anchor clamps have first clamping part and second clamping part, and said second clamping part is connected with said first clamping part with mode that can the said relatively first clamping part folding.
3. the pick-up unit of battery diaphragm pulling strengrth as claimed in claim 2 is characterized in that, said second clamping part is connected with said first clamping part with mode that can the said relatively first clamping part folding, realize in the following manner,
Has the through hole that runs through on said first clamping part with internal thread; Said second clamping part is connected with a bolt; Said bolt cooperates with said through hole whorl, and said bolt screws in said through hole, so that said second clamping part and said first clamping part clamp each other.
4. the pick-up unit of battery diaphragm pulling strengrth as claimed in claim 3 is characterized in that, said first clamping part has an open slot, and when said bolt screwed in said through hole, said second clamping part got into said open slot.
5. the pick-up unit of battery diaphragm pulling strengrth as claimed in claim 4 is characterized in that, said open slot is consistent with the shape of said second clamping part.
6. like the pick-up unit of each described battery diaphragm pulling strengrth in the claim 1 to 5, it is characterized in that the relative vertical direction of said two anchor clamps is corresponding to be provided with.
7. like the pick-up unit of each described battery diaphragm pulling strengrth in the claim 1 to 5, it is characterized in that, also comprise:
Data processing equipment, it is connected with said tensile force sensor, receives the tensile force signal of said tensile force sensor.
8. the pick-up unit of battery diaphragm pulling strengrth as claimed in claim 7 is characterized in that, said data processing equipment is a computing machine.
9. like the pick-up unit of each described battery diaphragm pulling strengrth in the claim 1 to 5, it is characterized in that, also comprise:
Control device, it is connected with said driving mechanism, controls anchor clamps in said two anchor clamps of said drive mechanism to moving away from the direction of another anchor clamps.
10. like the pick-up unit of claim 3 or 4 or 5 described battery diaphragm pulling strengrths, it is characterized in that the end of an end of the said through hole of screw-in of said bolt also is connected with a Handheld Division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201952395U CN202562811U (en) | 2012-05-03 | 2012-05-03 | Device for detecting tensile strength of battery separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201952395U CN202562811U (en) | 2012-05-03 | 2012-05-03 | Device for detecting tensile strength of battery separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202562811U true CN202562811U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201952395U Expired - Fee Related CN202562811U (en) | 2012-05-03 | 2012-05-03 | Device for detecting tensile strength of battery separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202562811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289986A (en) * | 2016-09-21 | 2017-01-04 | 深圳市力可兴电池有限公司 | The method of testing of nickel-hydrogen battery separator antioxygenic property |
| CN112033613A (en) * | 2019-06-03 | 2020-12-04 | 中国科学院宁波材料技术与工程研究所 | Air tightness detection method of solid oxide fuel cell electric core based on symmetrical double-cathode structure |
-
2012
- 2012-05-03 CN CN2012201952395U patent/CN202562811U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289986A (en) * | 2016-09-21 | 2017-01-04 | 深圳市力可兴电池有限公司 | The method of testing of nickel-hydrogen battery separator antioxygenic property |
| CN106289986B (en) * | 2016-09-21 | 2019-02-05 | 深圳市力可兴电池有限公司 | The test method of nickel-hydrogen battery separator antioxygenic property |
| CN112033613A (en) * | 2019-06-03 | 2020-12-04 | 中国科学院宁波材料技术与工程研究所 | Air tightness detection method of solid oxide fuel cell electric core based on symmetrical double-cathode structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180720 Granted publication date: 20121128 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210720 Granted publication date: 20121128 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20180503 |