CN201037860Y - Battery testing device - Google Patents
Battery testing device Download PDFInfo
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- CN201037860Y CN201037860Y CNU2007200054257U CN200720005425U CN201037860Y CN 201037860 Y CN201037860 Y CN 201037860Y CN U2007200054257 U CNU2007200054257 U CN U2007200054257U CN 200720005425 U CN200720005425 U CN 200720005425U CN 201037860 Y CN201037860 Y CN 201037860Y
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- contrast electrode
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- battery tester
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Abstract
The utility model provides a battery testing device comprising a reference electrode and a shell body, wherein, the shell body comprises a cover plate which is provided with a reference electrode hole. The utility model also comprises a reference electrode mast fixedly connected with the reference electrode. The reference electrode mast is inserted into the shell body through the reference electrode hole and positions the reference electrode in the shell body. The reference electrode mast matches with thread of the reference electrode hole, and meanwhile, the reference electrode mast is insulated with the shell body. The utility model has stable structure and eliminates the problems of leakage and dropping of the reference electrode. Therefore, the utility model can improve test accuracy and stability and expedite experimental process, thus improving experiment efficiency and promoting scientific research and production.
Description
Technical field
The utility model relates to field of batteries, more particularly, relates to a kind of battery tester.
Background technology
Lithium ion battery has that volume is little, energy is high, free of contamination advantage, has been applied to portable type electronic products such as mobile phone, digital camera more and more widely.Along with constantly popularizing of lithium ion battery, also more and more for the research work of its material, performance and safety problem.The battery research work relates to electrode problems in the galvanochemistry, in order to study the both positive and negative polarity performance of battery better, often introduces the 3rd electrode as contrast electrode, as standard, tests positive pole or the negative pole current potential for contrast electrode with contrast electrode respectively.
As shown in Figure 1, common battery tester comprises contrast electrode 1, barrier film 2, lug 3, housing 4 and fluid sealant 7, described lug 3 is wrapped in the contrast electrode 1 and from contrast electrode 1 and stretches out, described barrier film 2 is coated on the outside of contrast electrode 1, described housing 4 comprises cover plate 5, described cover plate 5 is provided with contrast electrode patchhole 6, the described contrast electrode 1 that is coated with barrier film 2 is inserted into the inside of housing 4 by contrast electrode patchhole 6, and an end that is provided with lug 3 of contrast electrode 1 is reached outside the housing 4, described fluid sealant 7 be coated in contrast electrode patchhole 6 septations 2 around, described fluid sealant 7 is fixed on the cover plate 5 contrast electrode 1, and battery tester is sealed.Because contrast electrode 1 can only fix by fluid sealant 7, so the structural instability of this battery tester.In use, fluid sealant 7 becomes flexible easily and comes off, thereby causes the sealing property variation of this device, makes this device that the leakage problem take place, directly influence the test result of this device, under fluid sealant 7 came off serious situation, contrast electrode 1 can drop from cover plate 5, and this can cause the termination of testing, and may cause the experimental result of previous experiments to be cancelled, thereby postponed the process of experiment, reduced the efficient of experiment, incured loss through delay scientific research and production.
The utility model content
The purpose of this utility model provides a kind of constitutionally stable battery tester.
The utility model provides a kind of battery tester, this battery tester comprises contrast electrode 1 and housing 4, described housing 4 comprises cover plate 5, described cover plate 5 is provided with contrast electrode patchhole 6, wherein, this battery tester also comprises contrast electrode post 8, described contrast electrode post 8 is fixedlyed connected with contrast electrode 1, described contrast electrode post 8 inserts in the housing 4 by contrast electrode patchhole 6, and make contrast electrode 1 be arranged in housing 4, described contrast electrode post 8 and contrast electrode patchhole 6 threaded engagement, contrast electrode post 8 and housing 4 insulation simultaneously.
Because the battery tester that the utility model provides also comprises contrast electrode post 8, described contrast electrode post 8 is fixedlyed connected with contrast electrode 1, and with contrast electrode patchhole 6 threaded engagement, so battery tester Stability Analysis of Structures that the utility model provides, the leakage problem can not take place, the phenomenon that contrast electrode 1 drops can not occur yet.Therefore, the battery tester that the utility model provides can improve the accuracy and the stability of test, and the process that can accelerate to test, thereby has improved the efficient of experiment, has promoted scientific research and production.
Description of drawings
Fig. 1 is the structural representation of the battery tester of prior art;
Fig. 2 is the structural representation of the battery tester that provides of the utility model;
Fig. 3 is the partial structurtes synoptic diagram of the battery tester that provides of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 2, the battery tester that the utility model provides comprises contrast electrode 1 and housing 4, described housing 4 comprises cover plate 5, described cover plate 5 is provided with contrast electrode patchhole 6, wherein, this battery tester also comprises contrast electrode post 8, described contrast electrode post 8 is fixedlyed connected with contrast electrode 1, described contrast electrode post 8 inserts in the housing 4 by contrast electrode patchhole 6, and make contrast electrode 1 be arranged in housing 4, described contrast electrode post 8 and contrast electrode patchhole 6 threaded engagement, contrast electrode post 8 and housing 4 insulation simultaneously.
Described contrast electrode 1 can be various contrast electrodes well known in the art, as lithium contrast electrode, stainless steel contrast electrode or titanium disulfide contrast electrode.When lithium ion battery is tested, select for use the lithium metal usually as contrast electrode.Being shaped as of described contrast electrode 1 is conventionally known to one of skill in the art, and contrast electrode 1 can be various strips as described, as cylindrical or thin slice shape.In order to make contrast electrode 1 stable and react equably, preferably, described contrast electrode 1 is a thin slice shape.
Described contrast electrode post 8 is generally columned.The diameter of described contrast electrode post 8 can be the 2-30 millimeter, and length can be the 20-200 millimeter.Described contrast electrode post 8 can adopt various conductive materials to make, as stainless steel, copper or nickel.Can adopt variety of way well known in the art to make contrast electrode post 8 and housing 4 insulation, as adding insulating material at the position that contrast electrode post 8 cooperates with contrast electrode patchhole 6.
Described contrast electrode 1 can link to each other with contrast electrode post 8 by variety of way well known in the art, and contrast electrode 1 can directly be connected with contrast electrode post 8 by the mode of welding as described, also can be connected with contrast electrode post 8 by other parts such as elastic component.Being connected and dismounting between contrast electrode 1 and the contrast electrode post 8 for convenience, and make be connected between contrast electrode 1 and the contrast electrode post 8 reliable, as shown in Figure 3, preferably, this device also comprises elastic component 11, the end of described contrast electrode post 8 is provided with opening 12, described contrast electrode 1 and elastic component 11 are arranged in opening 12, described elastic component 11 contacts with contrast electrode 1 with the inwall of opening 12, and contrast electrode 1 is pressed on the inwall of opening 12, contrast electrode 1 is contacted with contrast electrode post 8, and described contrast electrode 1 stretches out along the axis direction of contrast electrode post 8 from opening 12.The size of the extension of described contrast electrode 1 can be determined according to battery size.As when contrast electrode 1 is thin slice shape, the area of the extension of described contrast electrode 1 can be the 1-50 square millimeter, and thickness can be the 0.01-3 millimeter, preferably, the area of the extension of described contrast electrode 1 is the 5-10 square millimeter, and thickness is the 0.5-1.0 millimeter.
Elastic component 11 described elastic component 11 do not had special requirement, as long as can be fixed in contrast electrode 1 in the opening 12 of contrast electrode post 8.Described elastic component 11 can adopt variously to be possessed flexible material and makes, as stainless steel, copper or polypropylene.Described elastic component 11 can be for different shape, as column or sheet.
In order to stablize the structure of this device; stop electrolytic solution to contact simultaneously with contrast electrode post 8; the position that is connected with contrast electrode 1 with contrast electrode post 8 on contrast electrode post 8 is coated with the protective seam (not shown), and described protective seam is wrapped in contrast electrode post 8 wherein with the position that contrast electrode 1 is connected with contrast electrode post 8.Described protective seam can be epoxy resin, organosilicon or poly-sulphur.
In order further to improve the sealing property of this device, preferably, this device also comprises the compressing member 9 and first seal 10, described first seal 10 is contained on the contrast electrode post 8, described compressing member 9 is pressed in first seal 10 on the cover plate 5, and first seal 10 is contacted with the external margin of contrast electrode patchhole 6.More preferably, this device also comprises second seal 10, and described second seal 10 is contained on the contrast electrode post 8 and with the internal edge of contrast electrode patchhole 6 and contacts.In when test, first seal 10 is at the outside seal battery of battery, and second seal 10 is at the inner sealing battery of battery, thereby makes this device good seal.Described seal 10 can adopt the various material that is used to seal well known in the art to make, as polypropylene or teflon.
Described compressing member 9 can be taked various structures, as long as first seal 10 can be pressed on the cover plate 5.What compressing member 9 can be for column as described, also can be for bulk.Described compressing member 9 can be structure as a whole with contrast electrode post 8, also can be independent parts.When compressing member 9 and contrast electrode post 8 were structure as a whole, described compressing member 9 was arranged on the end of the threaded end of being provided with of contrast electrode post 8.When screwing in contrast electrode post 8 on cover plate 5, compressing member 9 moves to cover plate 5 along with the screw-in of contrast electrode post 8, thereby first seal 10 that will be arranged between cover plate 5 and the compressing member 9 is pressed on the cover plate 5.When compressing member 9 was independent parts, described compressing member 9 was provided with internal thread, and this internal thread cooperates with the external thread of contrast electrode post 8.When operation, at first contrast electrode post 8 is screwed in cover plate 5, on contrast electrode post 8, put first seal 10 again, then compressing member 9 is screwed in contrast electrode post 8, along with the screw-in of compressing member 9, compressing member 9 is pressed on first seal 10 on the cover plate 5 gradually.For the ease of operation, as shown in Figure 3, preferably, described compressing member 9 is structure as a whole with contrast electrode post 8, and described compressing member 9 is arranged on the end of the threaded end of being provided with of contrast electrode post 8.
The use of this battery tester for convenience, preferably, this device also comprises contrast electrode exit 15, described contrast electrode exit 15 is connected with contrast electrode post 8.Described contrast electrode exit 15 can as copper strips, nickel strap, aluminium strip or steel band, be preferably nickel strap for various electrode leads to client well known in the art.Described contrast electrode exit 15 can be connected with contrast electrode post 8 by variety of way well known in the art.Contrast electrode exit 15 is connected with contrast electrode post 8 for convenience, and preferably, this device also comprises securing member 20, and described securing member 20 cooperates with compressing member 9 or contrast electrode post 8 and contrast electrode exit 15 is fixed between compressing member 9 and the securing member 20.As shown in Figures 2 and 3, when compressing member 9 and contrast electrode post 8 are structure as a whole, compressing member 9 is provided with internal thread, can select for use screw or bolt as securing member 20 this moment, the screw-internal thread fit of external thread that is provided with on described screw or the bolt and compressing member 9, securing member 20 is screwed in compressing member 9, thereby contrast electrode exit 15 is fixed between compressing member 9 and the securing member 20.When compressing member 9 is independent parts, can select for use nut as securing member 20, the internal thread that is provided with on the described nut cooperates with the external thread of contrast electrode post 8, securing member 20 is screwed in contrast electrode post 8, thereby contrast electrode exit 15 is fixed between compressing member 9 and the securing member 20.
In order to protect contrast electrode 1; prevent that contrast electrode 1 from being bumped by pole piece to be measured or housing 4; and the positive and negative electrode of guaranteeing contrast electrode 1 and contrast electrode post 8 and pole piece to be measured insulate; preferably; this device also comprises tubular electrode cover 13; described electrode sleeve 13 is arranged in housing 4 and is enclosed within on the contrast electrode post 8 and closely cooperates with contrast electrode post 8, and described contrast electrode 1 is arranged in electrode sleeve 13, and the barrel of described electrode sleeve 13 is provided with hole 14.More preferably, an end closure of described electrode sleeve 13, described contrast electrode 1 inserts in the electrode sleeve 13 by the openend of electrode sleeve 13.Described electrode sleeve 13 can adopt various insulating material to make.Length to described electrode sleeve 13 does not have special requirement.
Being provided with of described hole 14 can make electrolytic solution see through hole 14 and contact with contrast electrode 1.Described hole 14 can be one, also can fully and equably contact with electrolytic solution in order to make contrast electrode 1 for a plurality of, and preferably, described hole 14 is a plurality of, and these a plurality of holes 14 are distributed on the barrel of electrode sleeve 13 equably.Number and size to described hole 14 do not have special requirement, and the number in hole 14 can be 30-500 as described, and the diameter in described hole 14 can be the 0.5-20 millimeter.
The use of this battery tester for convenience, preferably, this device also comprises negative pole pole 18, described negative pole pole 18 is arranged on the housing 4 and with housing 4 and insulate.Described negative pole pole 18 can be common pole, and negative pole pole 18 can be bolt, rivet or pin as described.Described negative pole pole 18 is conventionally known to one of skill in the art with the connected mode of housing 4, does not repeat them here.More preferably, this device also comprises negative pole exit 16 and/or anodal exit 17, and described negative pole exit 16 is connected with negative pole pole 18, and described anodal exit 17 is connected with housing 4.Described negative pole exit 16 is conventionally known to one of skill in the art with the connected mode of negative pole pole 18, anodal exit 17 with the connected mode of housing 4, does not repeat them here.In use, the negative lug of pole piece is connected with negative pole pole 18, the positive pole ear of pole piece is connected with housing 4, thereby the positive pole and the negative pole of pole piece are drawn.Described negative pole exit 16 and anodal exit 17 can as copper strips, nickel strap, aluminium strip or steel band, be preferably nickel strap for various electrode leads to client well known in the art.
Add electrolytic solution for convenience in housing 4, preferably, this device also comprises liquid injection hole 21, and described liquid injection hole 21 is arranged on the housing 4 and runs through housing 4.Described liquid injection hole 21 is conventionally known to one of skill in the art, does not repeat them here.
Described housing 4 is conventionally known to one of skill in the art, and described housing 4 can comprise cover plate 5 and cylindrical shell 19, and described cover plate 5 and cylindrical shell 19 surround the space of a sealing, constitutes housing 4.
The assembling of the battery tester that the utility model provides is described below.
When selecting the lithium metal for use as contrast electrode 1, as shown in Figures 2 and 3, at first second seal 10 is sticked on the inboard of cover plate 5, hole on second seal 10 and the contrast electrode patchhole 6 on the cover plate 5 are aligned; Then pole piece to be tested is placed housing 4, the negative lug of pole piece is welded on the negative pole pole 18 that is arranged on the cover plate 5, the positive pole ear of pole piece is welded on the cover plate 5; Electrode sleeve 13 is inserted in the pole piece, and electrode sleeve 13 is leant out by the contrast electrode patchhole 6 on the cover plate 5, cover plate 5 is welded on the cylindrical shell 19; In order to prevent that contrast electrode 1 is by airborne dioxygen oxidation, this device is transferred in the glove box, utilize elastic component 11 that contrast electrode 1 is fixed in the opening 12 of contrast electrode post 8, contrast electrode 1 is stretched out along the axis direction of contrast electrode post 8 from opening 12; On contrast electrode post 8, put first seal 10; On contrast electrode post 8, apply epoxy glue, contrast electrode post 8, contrast electrode post opening 12 and the contrast electrode 1 and the elastic component 11 that are arranged in contrast electrode post opening 12 all are wrapped in wherein; After epoxy glue solidifies, the contrast electrode post 8 that is connected with contrast electrode 1 is inserted in the electrode sleeve 13 that leans out, push contrast electrode post 8 and electrode sleeve 13 in the pole piece together, the contrast electrode patchhole 6 that is provided with insulating material with contrast electrode post 8 screws on the cover plate 5 makes the compressing member 9 on the contrast electrode post 8 compress first seal 10; Then by liquid injection hole 21 fluid injections, with liquid injection hole 21 sealings; This battery tester is taken out from glove box, securing member 20 is screwed in the compressing member 9, and contrast electrode exit 15 is fixed between compressing member 9 and the securing member 20; Negative pole exit 16 is welded on the negative pole pole 18, anodal exit 17 is welded on the housing 4.More than finishing, after the operation, just can test pole piece.
The battery tester that the utility model provides fixes contrast electrode post 8 by the threaded engagement of contrast electrode post 8 and contrast electrode patchhole 6, thereby make this apparatus structure stable, and the application of first seal 10 and second seal 10 is further improved the sealing property of this device.So use this device that pole piece is tested, can improve precision of test result and stability, and the process that can accelerate to test, thereby improved the efficient of experiment, promoted scientific research and production.
Claims (14)
1. battery tester, this battery tester comprises contrast electrode (1) and housing (4), described housing (4) comprises cover plate (5), described cover plate (5) is provided with contrast electrode patchhole (6), it is characterized in that, this battery tester also comprises contrast electrode post (8), described contrast electrode post (8) is fixedlyed connected with contrast electrode (1), described contrast electrode post (8) inserts in the housing (4) by contrast electrode patchhole (6), and make contrast electrode (1) be arranged in housing (4), described contrast electrode post (8) and contrast electrode patchhole (6) threaded engagement, contrast electrode post (8) and housing (4) insulation simultaneously.
2. battery tester according to claim 1, it is characterized in that, this device also comprises elastic component (11), the end of described contrast electrode post (8) is provided with opening (12), described contrast electrode (1) and elastic component (11) are arranged in opening (12), described elastic component (11) contacts with contrast electrode (1) with the inwall of opening (12), and contrast electrode (1) is pressed on the inwall of opening (12), described contrast electrode (1) stretches out along the axis direction of contrast electrode post (8) from opening (12).
3. battery tester according to claim 1 and 2 is characterized in that, goes up at contrast electrode post (8) and is coated with protective seam with contrast electrode post (8) with the position that contrast electrode (1) is connected.
4. battery tester according to claim 1, it is characterized in that, this device also comprises compressing member (9) and first seal (10), described first seal (10) is contained on the contrast electrode post (8), described compressing member (9) is pressed in first seal (10) on the cover plate (5), and first seal (10) is contacted with the external margin of contrast electrode patchhole (6).
5. battery tester according to claim 4 is characterized in that, this device also comprises second seal (10), and described second seal (10) is contained in contrast electrode post (8) and goes up and contact with the internal edge of contrast electrode patchhole (6).
6. battery tester according to claim 4 is characterized in that, described compressing member (9) is structure as a whole with contrast electrode post (8), and described compressing member (9) is arranged on the end that a threaded end is set of contrast electrode post (8).
7. battery tester according to claim 4 is characterized in that, this device also comprises contrast electrode exit (15), and described contrast electrode exit (15) is connected with contrast electrode post (8).
8. battery tester according to claim 7, it is characterized in that, this device also comprises securing member (20), and described securing member (20) cooperates with compressing member (9) or contrast electrode post (8) and contrast electrode exit (15) is fixed between compressing member (9) and the securing member (20).
9. battery tester according to claim 1, it is characterized in that, this device also comprises tubular electrode cover (13), described electrode sleeve (13) is arranged in housing (4) and is enclosed within that contrast electrode post (8) is gone up and contrast electrode post (8) closely cooperates, described contrast electrode (1) is arranged in electrode sleeve (13), and the barrel of described electrode sleeve (13) is provided with hole (14).
10. battery tester according to claim 9 is characterized in that, an end closure of described electrode sleeve (13), and described contrast electrode (1) inserts in the electrode sleeve (13) by the openend of electrode sleeve (13).
11., it is characterized in that described hole (14) are a plurality of according to claim 9 or 10 described battery testers, these a plurality of holes (14) are distributed on the barrel of electrode sleeve (13) equably.
12. battery tester according to claim 1 is characterized in that, this device also comprises negative pole pole (18), and described negative pole pole (18) is arranged on housing (4) and upward and with housing (4) insulate.
13. battery tester according to claim 12, it is characterized in that, this device also comprises negative pole exit (16) and/or anodal exit (17), and described negative pole exit (16) is connected with negative pole pole (18), and described anodal exit (17) is connected with housing (4).
14. battery tester according to claim 1 is characterized in that, this device also comprises liquid injection hole (21), and described liquid injection hole (21) is arranged on the housing (4) and runs through housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200054257U CN201037860Y (en) | 2007-04-23 | 2007-04-23 | Battery testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200054257U CN201037860Y (en) | 2007-04-23 | 2007-04-23 | Battery testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201037860Y true CN201037860Y (en) | 2008-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200054257U Expired - Fee Related CN201037860Y (en) | 2007-04-23 | 2007-04-23 | Battery testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201037860Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192935A (en) * | 2010-03-15 | 2011-09-21 | 深圳市比克电池有限公司 | Electrolytic cell, apparatus and method for electrochemical measurement |
| CN103513065A (en) * | 2012-06-29 | 2014-01-15 | 鸿富锦精密工业(武汉)有限公司 | Testing jig |
-
2007
- 2007-04-23 CN CNU2007200054257U patent/CN201037860Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192935A (en) * | 2010-03-15 | 2011-09-21 | 深圳市比克电池有限公司 | Electrolytic cell, apparatus and method for electrochemical measurement |
| CN103513065A (en) * | 2012-06-29 | 2014-01-15 | 鸿富锦精密工业(武汉)有限公司 | Testing jig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20080319 Termination date: 20160423 |