CN201476992U - Collection and detection device for gas generated inside lithium ion battery - Google Patents
Collection and detection device for gas generated inside lithium ion battery Download PDFInfo
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- CN201476992U CN201476992U CN2009203070689U CN200920307068U CN201476992U CN 201476992 U CN201476992 U CN 201476992U CN 2009203070689 U CN2009203070689 U CN 2009203070689U CN 200920307068 U CN200920307068 U CN 200920307068U CN 201476992 U CN201476992 U CN 201476992U
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- anchor clamps
- collection
- lithium ion
- detection device
- battery
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Abstract
The utility model discloses a collection and detection device for gas generated inside a lithium ion battery. The device comprises a set of battery clamps and a punctured sampler, wherein the battery clamp clamps a lithium ion battery (13) to be detected and is provided with a sampling hole (6); the punctured sampler is fixedly arranged on top of the battery clamp and comprises a sampler cavity (7); the sampler cavity (7) is internally provided with a piston (8) capable of moving vertically; the position of the piston (8) corresponds to that of the sampling hole (6) on the battery clamp; a plunger of the piston (8) is provided with a punctured channel (15) at a position right opposite to the sampling hole (6); and the punctured channel (15) is inserted with a sampling needle (11). The device does not need to conduct special fabrication and treatment on the lithium ion battery to be detected, can directly realize sampling test of batteries, is simple and convenient in operation and high in detection efficiency.
Description
Technical field
The utility model relates to technical field of lithium ion, particularly relates to a kind of collection and detection device of gas generated in lithium ion battery.
Background technology
Advantages such as lithium ion battery has high working voltage, high-energy-density, energy density is big, output power is high, have extended cycle life, non-environmental-pollution, not only on portable communication apparatus and portable electric appts, be used widely, and be widely used in big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool, therefore more and more higher to the performance requirement of lithium ion battery, be the main direction of present each macrocell producer development.
As everyone knows, lithium ion battery partly is made up of positive pole, negative pole, electrolytic solution, barrier film etc., in charge and discharge process, chemical reaction can take place between positive and negative electrode material and the electrolytic solution, thereby the generation gas componant, the existence of gas can cause the performance degradation of lithium ion battery, and the internal resistance of cell increases, expand problems such as distortion, thereby limited the application of lithium ion battery on some exact instrument.
In the development research of lithium ion battery new product new material, to the assay of inside battery aerogenic composition and gas production rate, help to infer the reaction of storeroom in the battery, thereby provide strong foundation for optimizing material mixture ratio and architecture.At present, though it is the gathering-device of having introduced gas generated in lithium ion battery in 200820085749.0 the patent application document that application number is arranged, but the device of this technical scheme introduction needs the special battery of making to detect, and on the battery after the fluid injection, added gas producing device, made lithium ion battery very inconvenient in charging and other test processs.
The present invention attempts can directly realize the sampling and testing to commercial Li-ion batteries by designing a kind of collection and detection device of inside lithium ion cell gas.
The utility model content
In view of this, the purpose of this utility model provides a kind of collection and detection device of gas generated in lithium ion battery, it need not lithium ion battery to be measured is carried out special facture and processing, can directly realize sampling and testing to battery, simple to operation, and the detection efficiency height is of great practical significance.
For this reason, the utility model provides a kind of collection and detection device of gas generated in lithium ion battery, and this device includes a cover battery clamp and a bundle hole sampler;
Preferably, described battery clamp includes anchor clamps 1 and lower clamp 2, the described anchor clamps 1 of going up are fixedlyed connected with lower clamp 2 parallel placements and two ends, the described upward bottom of anchor clamps 1 and the top of lower clamp 2 are respectively arranged with groove 5, the shape of described groove 5, size and the shape of lithium ion battery 13 to be detected, big or small corresponding coupling, the two ends up and down of this lithium ion battery 13 to be detected are separately fixed in the groove 5 of anchor clamps 1 and lower clamp 2.
Preferably, the described equal opening in two ends of going up anchor clamps 1 and lower clamp 2 is provided with bolt pilot hole 10, and described upward anchor clamps 1 and lower clamp 2 are inserted with a bolt 3 on unidirectional bolt pilot hole 10, and the tail end of this bolt 3 is provided with nut 4.
Preferably, described thief hole 6 longitudinal openings are arranged on the anchor clamps 1.
Preferably, be provided with insulation spacer 12 between the groove 5 of described upward anchor clamps 1 and the lithium ion battery to be detected 13.
Preferably, described bundle hole sampler is arranged on described anchor clamps 1 top of going up, and the 10 corresponding position upper sheds of bolt pilot hole are provided with bolt pilot hole 10 on the two ends, the left and right sides of described sampler cavity 7 and the last anchor clamps 1.
Preferably, the cavity of described sampler cavity 7 for adopting transparent material to make.
Preferably, described transparent material is transparent organic glass or polypropylene material.
Preferably, the bottom of described piston 8 is provided with sealing gasket 9.
Preferably, be provided with sealing gasket 9 between described sampler cavity 7 and the last anchor clamps 1.
The technical scheme that is provided by above the utility model as seen, compared with prior art, the utility model provides a kind of collection and detection device of gas generated in lithium ion battery, it need not lithium ion battery to be measured is carried out special facture and processing, can directly realize sampling and testing to battery, simple to operation, and the detection efficiency height, be of great practical significance.
Description of drawings
The structural representation of the battery clamp of the collection and detection device of a kind of gas generated in lithium ion battery of forming the utility model and providing is provided Fig. 1;
The structural representation of the bundle hole sampler of the collection and detection device of a kind of gas generated in lithium ion battery of forming the utility model and providing is provided Fig. 2;
The structural representation of the collection and detection device of a kind of gas generated in lithium ion battery that Fig. 3 provides for the utility model;
The view of collection and detection device after collecting gas of a kind of gas generated in lithium ion battery that Fig. 4 provides for the utility model;
Among the figure, 1 is last anchor clamps, and 2 is lower clamp, and 3 is bolt, and 4 is nut, and 5 is groove, 6 is thief hole, and 7 is the sampler cavity, and 8 is piston, and 9 is sealing gasket, and 10 is the bolt pilot hole, 11 is sampling probe, and 12 is insulation spacer, and 13 is lithium ion battery to be detected, and 14 is utmost point group, and 15 for pricking hole path.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
The structural representation of the battery clamp of the collection and detection device of a kind of gas generated in lithium ion battery of forming the utility model and providing is provided Fig. 1, the structural representation of the bundle hole sampler of the collection and detection device of a kind of gas generated in lithium ion battery of forming the utility model and providing is provided Fig. 2, the structural representation of the collection and detection device of a kind of gas generated in lithium ion battery that Fig. 3 provides for the utility model;
Referring to Fig. 1 to Fig. 3, the utility model provides a kind of collection and detection device of gas generated in lithium ion battery, be used for lithium ion battery to be detected 13 is carried out the aerogenesis sampling and testing, have utmost point group 14 in this lithium ion battery 13, this collection and detection device includes a cover battery clamp and a bundle hole sampler;
In the utility model, described battery clamp is used for clamping lithium ion battery to be detected 13, comprise anchor clamps 1 and lower clamp 2, the described anchor clamps 1 of going up are provided with bolt pilot hole 10 with lower clamp 2 parallel placements and the equal opening in two ends, described upward anchor clamps 1 and lower clamp 2 are inserted with a bolt 3 on unidirectional bolt pilot hole 10, the tail end of this bolt 3 is provided with nut 4;
The described upward bottom of anchor clamps 1 and the top of lower clamp 2 are respectively arranged with groove 5, the shape of described groove 5, size and the shape of lithium ion battery 13 to be detected, big or small corresponding coupling, the two ends up and down of this lithium ion battery 13 to be detected are separately fixed in the groove 5 of anchor clamps 1 and lower clamp 2, thereby lithium ion battery 13 to be detected can be fixed between two anchor clamps, reach the purpose of fixing and balancing battery.
Need to prove that described anchor clamps 1, lower clamp 2 and the groove 5 gone up all can be designed to difformity according to cell shapes, as circle, rectangle, square etc., for reaching the purpose of self-contained battery, the degree of depth of described groove 5 is preferably and is not less than 5mm.
Described anchor clamps 1 longitudinal opening of going up is provided with a thief hole 6, and in the utility model, this thief hole 6 can be arranged on groove 5 center lines on the anchor clamps 1 to the optional position between groove 5 edges.
On the specific implementation, when lithium ion battery 13 to be detected is square battery, described thief hole 6 is provided with on the last anchor clamps 1 of corresponding battery liquid-filling hole one side, and when lithium ion battery 13 to be detected was circular batteries, described thief hole 6 was provided with the battery bottom home position is corresponding and goes up on the anchor clamps 1.
In order to prevent that battery is short-circuited, in described groove 5, also be provided with insulation spacer 12, so in when test, between the groove 5 and lithium ion battery to be detected 13 of insulation spacer 12 anchor clamps 1 on described.
In the utility model, described bundle hole sampler is arranged on described anchor clamps 1 top of going up, include sampler cavity 7, the 10 corresponding position upper sheds of bolt pilot hole are provided with bolt pilot hole 10 on the two ends, the left and right sides of described sampler cavity 7 and the last anchor clamps 1, be used to insert above-mentioned bolt 3, realize sampler cavity 7 and last anchor clamps 1 are fixed;
On the specific implementation, the described anchor clamps 1 and lower clamp 2 employing stainless steels or other hard metals gone up are made, and described sampler cavity 7 adopts transparent materials to make, and is preferably and adopts transparent organic glass or polypropylene material to make.
Be provided with the piston 8 that can promote up and down in the described sampler cavity 7, the position of thief hole 6 is corresponding on the position of described piston 8 and the last anchor clamps 1;
The position that the stick harness of described piston 8 faces thief hole 6 is provided with a bundle hole path 15, is inserted with sampling probe 11 in the described bundle hole path 15, and described bundle hole path 15 is the passage of hollow cylinder shape, and its inner space is the bundle hole path of this sampling probe 11.
The bottom of described piston 8 is provided with sealing gasket 9, is used for intercepting pricking hole path 15 and thief hole 6, prevents that inside battery gas from from pricking hole path 15 and thief hole 6 leakages, need to prove that according to the number of times of pricking the hole, the user can change sealing pad 9;
Need to prove, also be provided with sealing gasket 9 between described sampler cavity 7 and the last anchor clamps 1, thereby can prevent that equally gas from leaking;
In the utility model, described sealing gasket 9 is the sealing gasket of elastic material, is preferably to adopt the silica gel sealing pad; The shape of described sampling probe 11 and size and shape, the big or small corresponding coupling of pricking hole path 15.
Described sampler cavity 7 outer walls are provided with scale, can characterize sampler cavity 7 gas inside volume or pressure, are used for by observing the gas production rate that obtains battery that moves of piston 8.
Need to prove,, at first lithium ion battery 13 to be detected is fixed in two anchor clamps, then sampler is placed on the top of anchor clamps 1, will go up anchor clamps 1 and sampler is fixed with bolt in when test; When taking a sample, sampling probe 11 is inserted into to be pricked in the hole path 15, apply external force, make between the stick harness of sampling probe 11 and piston 8 and fit tightly, and see through thief hole 6 and prick and wear sealing gasket 9, the battery case (battery cover or battery floor) that pierces through lithium ion battery 13 to be detected then enters into inside battery, then sampling probe 11 is extracted out, gas in the battery promptly can promote piston 8 by this thief hole 6 and move in sampler cavity 7, after treating that piston 8 is stablized, by the scale that is provided with on sampler cavity 7 outer walls, read the reading of piston 8 indicated scales, promptly obtain the gas production rate of lithium ion battery 13 to be detected.
Need to prove, be used to test the sealing gasket 9 that the gas sample pin of chromatogram or gas chromatography mass spectrometry pierces through on the piston 8 and directly take a sample in pricking hole path 15, also can carry out analytical test the inside battery aerogenic composition.
The technical scheme that is provided by above the utility model as seen, the utility model provides a kind of collection and detection device of gas generated in lithium ion battery, it need not lithium ion battery to be measured is carried out special facture and processing, can directly realize sampling and testing to battery, simple to operation, and the detection efficiency height is of great practical significance.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the collection and detection device of a gas generated in lithium ion battery is characterized in that, this device includes a cover battery clamp and a bundle hole sampler;
Lithium ion battery to be detected (13) in described battery clamp clamping, described battery clamp is provided with thief hole (6), described bundle hole sampler is fixedly installed on the battery clamp top, described bundle hole sampler includes sampler cavity (7), be provided with the piston (8) that can promote up and down in the described sampler cavity (7), the position of thief hole (6) is corresponding on the position of described piston (8) and the battery clamp, the position that the stick harness of described piston (8) faces thief hole (6) is provided with a bundle hole path (15), is inserted with sampling probe (11) in the described bundle hole path (15).
2. collection and detection device as claimed in claim 1, it is characterized in that, described battery clamp includes anchor clamps (1) and lower clamp (2), the described anchor clamps (1) of going up are fixedlyed connected with parallel placement of lower clamp (2) and two ends, the described upward bottom of anchor clamps (1) and the top of lower clamp (2) are respectively arranged with groove (5), the shape of described groove (5), size and the shape of lithium ion battery to be detected (13), big or small corresponding coupling, the two ends up and down of this lithium ion battery to be detected (13) are separately fixed in the groove (5) of anchor clamps (1) and lower clamp (2).
3. collection and detection device as claimed in claim 2, it is characterized in that, the described equal opening in two ends of going up anchor clamps (1) and lower clamp (2) is provided with bolt pilot hole (10), described upward anchor clamps (1) and lower clamp (2) are inserted with a bolt (3) on unidirectional bolt pilot hole (10), the tail end of this bolt (3) is provided with nut (4).
4. collection and detection device as claimed in claim 2 is characterized in that, described thief hole (6) longitudinal opening is arranged on the anchor clamps (1).
5. collection and detection device as claimed in claim 2 is characterized in that, is provided with insulation spacer (12) between the groove (5) of described upward anchor clamps (1) and the lithium ion battery to be detected (13).
6. collection and detection device as claimed in claim 3, it is characterized in that, described bundle hole sampler is arranged on described anchor clamps (1) top of going up, and the two ends, the left and right sides of described sampler cavity (7) and last anchor clamps (1) are gone up bolt pilot hole (10) corresponding position upper shed and are provided with bolt pilot hole (10).
7. collection and detection device as claimed in claim 1 is characterized in that, the cavity of described sampler cavity (7) for adopting transparent material to make.
8. collection and detection device as claimed in claim 7 is characterized in that, described transparent material is transparent organic glass or polypropylene material.
9. collection and detection device as claimed in claim 1 is characterized in that, the bottom of described piston (8) is provided with sealing gasket (9).
10. collection and detection device as claimed in claim 2 is characterized in that, is provided with sealing gasket (9) between described sampler cavity (7) and the last anchor clamps (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203070689U CN201476992U (en) | 2009-07-30 | 2009-07-30 | Collection and detection device for gas generated inside lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203070689U CN201476992U (en) | 2009-07-30 | 2009-07-30 | Collection and detection device for gas generated inside lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476992U true CN201476992U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203070689U Expired - Fee Related CN201476992U (en) | 2009-07-30 | 2009-07-30 | Collection and detection device for gas generated inside lithium ion battery |
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| CN (1) | CN201476992U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598641B (en) * | 2009-07-30 | 2011-07-20 | 天津力神电池股份有限公司 | Device for collecting and testing gas generated in lithium ion battery |
| CN110376531A (en) * | 2018-12-20 | 2019-10-25 | 盐城工学院 | A kind of lithium ion battery original position production gas detection device and method |
| CN112098152A (en) * | 2020-09-08 | 2020-12-18 | 山东天润新能源材料有限公司 | Lead-acid batteries electrolyte extraction element |
| CN112098152B (en) * | 2020-09-08 | 2024-05-24 | 亿恩科天润新能源材料(山东)有限公司 | Lead-acid battery electrolyte extracting device |
-
2009
- 2009-07-30 CN CN2009203070689U patent/CN201476992U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598641B (en) * | 2009-07-30 | 2011-07-20 | 天津力神电池股份有限公司 | Device for collecting and testing gas generated in lithium ion battery |
| CN110376531A (en) * | 2018-12-20 | 2019-10-25 | 盐城工学院 | A kind of lithium ion battery original position production gas detection device and method |
| CN112098152A (en) * | 2020-09-08 | 2020-12-18 | 山东天润新能源材料有限公司 | Lead-acid batteries electrolyte extraction element |
| CN112098152B (en) * | 2020-09-08 | 2024-05-24 | 亿恩科天润新能源材料(山东)有限公司 | Lead-acid battery electrolyte extracting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20110730 |