CN107290687B - Probe structure applied to lithium power battery - Google Patents
Probe structure applied to lithium power battery Download PDFInfo
- Publication number
- CN107290687B CN107290687B CN201710693258.8A CN201710693258A CN107290687B CN 107290687 B CN107290687 B CN 107290687B CN 201710693258 A CN201710693258 A CN 201710693258A CN 107290687 B CN107290687 B CN 107290687B
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- support frame
- copper
- sampling
- power battery
- copper spare
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- 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
Abstract
The invention discloses a probe structure which comprises a first support frame, a second support frame, a first sampling copper part, a second sampling copper part, a first overflowing copper part, a second overflowing copper part, a first pin and a torsion spring, wherein the first sampling copper part and the first overflowing copper part are arranged on the first support frame in a side-by-side insulated mode, the second sampling copper part and the second overflowing copper part are arranged on the second support frame in a side-by-side insulated mode, small probes are welded at the end parts of the first sampling copper part, the first overflowing copper part, the second sampling copper part and the second overflowing copper part, the first support frame is rotatably connected with the second support frame through the first pin, the torsion spring is sleeved on the first pin, one end of the torsion spring abuts against the first support frame, and the other end of the torsion spring abuts against the second support frame. And placing a battery tab to be tested between the first sampling copper piece, the first overcurrent copper piece, the second sampling copper piece and the second overcurrent copper piece, and then folding the first support frame and the second support frame to enable the small probe to be in contact with the tab, thereby realizing the large-current aging test of the battery.
Description
Technical Field
The invention relates to the technical field of battery testing equipment, in particular to a probe structure applied to a lithium power battery.
Background
Due to the rapid development of the lithium battery industry, more and more types of test instruments and equipment are used for aging and grading of polymer lithium batteries. Therefore, when the aging and capacity grading test of the polymer lithium battery is carried out, some companies can simultaneously use test instrument equipment of a plurality of brands aiming at lithium batteries of different models. Because the centre gripping accessory size that equipment of different brands used is all inconsistent with fixed mode, so must frequent change carry out the test of this lithium cell with the test fixture that the lithium cell model accords with to satisfy the demand of ageing partial volume test. At present, in the production and processing process of a lithium battery (battery cell), the lithium battery generally needs to be subjected to aging test, however, the aging test is generally realized through corresponding large-current aging test equipment, and for the large-current aging test equipment, it is particularly important to set corresponding clamps to ensure stable and reliable contact with a battery cell tab and realize large-current passing.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the probe structure applied to the lithium power battery is provided, and has the advantages of good stability and reliability, good contact performance, convenience in maintenance and replacement and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a be applied to lithium power battery's probe structure, includes first support frame, second support frame, first sampling copper spare, second sampling copper spare, first overflow copper spare, second overflow copper spare, first pin and torsional spring, first sampling copper spare with first overflow copper spare side by side insulation set up in first support frame, second sampling copper spare with the second overflow copper spare side by side insulation set up in the second support frame, first sampling copper spare first overflow copper spare second sampling copper spare with the tip that the second overflowed copper spare all has welded little probe, first support frame passes through first pin with the second support frame rotates to be connected, the torsional spring cover is located first pin, the one end top of torsional spring support in first support frame, the other end top of torsional spring support in the second support frame.
As an improvement of the probe structure applied to the lithium power battery, the end of the first support frame is provided with two first connecting parts arranged at intervals, the end of the second support frame is provided with two second connecting parts arranged at intervals, and the two first connecting parts respectively correspond to the two second connecting parts.
The probe structure applied to the lithium power battery further comprises two second pins and two rollers, wherein the two rollers are respectively arranged between the two first connecting parts and the two second connecting parts through the two second pins.
As an improvement of the probe structure applied to the lithium power battery, the first support frame and the second support frame are both provided with hollow parts.
As an improvement of the probe structure applied to the lithium power battery, the first supporting frame is connected with the first sampling copper piece and the first overflowing copper piece in an injection molding mode, and the second supporting frame is connected with the second sampling copper piece and the second overflowing copper piece in an injection molding mode.
As an improvement of the probe structure applied to the lithium power battery, the first overflowing copper piece and the second overflowing copper piece are respectively provided with a spacing groove.
The probe structure applied to the lithium power battery further comprises three snap rings, wherein one snap ring is used for fixing the first pin, and the other two snap rings are used for fixing the two second pins respectively.
The probe structure applied to the lithium power battery further comprises an extrusion part, wherein the end part of the extrusion part is in a triangular structure, and the end part of the extrusion part corresponds to the position between the two rollers.
The invention has the beneficial effects that: the invention comprises a first support frame, a second support frame, a first sampling copper part, a second sampling copper part, a first overflowing copper part, a second overflowing copper part, a first pin and a torsion spring, wherein the first sampling copper part and the first overflowing copper part are arranged on the first support frame in a side-by-side insulated mode, the second sampling copper part and the second overflowing copper part are arranged on the second support frame in a side-by-side insulated mode, small probes are welded at the end parts of the first sampling copper part, the first overflowing copper part, the second sampling copper part and the second overflowing copper part, the first support frame is rotatably connected with the second support frame through the first pin, the torsion spring is sleeved on the first pin, one end of the torsion spring abuts against the first support frame, and the other end of the torsion spring abuts against the second support frame. The method comprises the steps of firstly separating a first support frame from a second support frame, then placing a battery tab to be tested between a first sampling copper piece, a first overcurrent copper piece, a second sampling copper piece and a second overcurrent copper piece, and then folding the first support frame and the second support frame to enable small probes of the first support frame and the second support frame to be in contact with the battery tab, so that the large-current aging test of the battery is realized. In addition, the invention has the advantages of good stability and reliability, good contact performance, convenient maintenance and replacement, and the like.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is an exploded view of the present invention.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 3, a probe structure applied to a lithium power battery includes a first support frame 1, a second support frame 2, a first sampling copper part 3, a second sampling copper part 4, a first overflowing copper part 5, a second overflowing copper part 6, a first pin 7 and a torsion spring 8, wherein the first sampling copper part 3 and the first overflowing copper part 5 are arranged on the first support frame 1 in a side-by-side insulated manner, the second sampling copper part 4 and the second overflowing copper part 6 are arranged on the second support frame 2 in a side-by-side insulated manner, the first sampling copper part 3, the first overflowing copper part 5, the second sampling copper part 4 and the second overflowing copper part 6 are both welded with small probes 9 at ends thereof, the ends of the small probes 9 are rugged saw-toothed shapes, the first support frame 1 is rotatably connected with the second support frame 2 through the first pin 7, the torsion spring 8 is sleeved on the first pin 7, one end of the torsion spring 8 abuts against the first support frame 1, and the other end of the torsion spring 8 abuts against the second support frame 2.
Preferably, the end of the first support frame 1 is provided with two first connecting portions 11 arranged at intervals, the end of the second support frame 2 is provided with two second connecting portions 12 arranged at intervals, and the two first connecting portions 11 correspond to the two second connecting portions 12 respectively. First support frame 1 and second support frame 2 all are provided with fretwork portion 13, and the setting of fretwork portion 13 makes the operator can see first sampling copper spare 3, second sampling copper spare 4, first copper spare 5 and the second copper spare 6 that overflows. The first support frame 1 is connected with the first sampling copper part 3 and the first overflowing copper part 5 in an injection molding mode, and the second support frame 2 is connected with the second sampling copper part 4 and the second overflowing copper part 6 in an injection molding mode.
The invention further comprises two second pins 10 and two rollers 14, wherein the two rollers 14 are respectively arranged between the two first connecting parts 11 and the two second connecting parts 12 through the two second pins 10.
Preferably, the first overcurrent copper piece 5 and the second overcurrent copper piece 6 are both provided with the spacing groove 15, and when the surface of a tested battery tab is uneven, the first overcurrent copper piece 5 and the second overcurrent copper piece 6 can be enabled to tightly contact the tab by a plurality of small probes 9, and the condition of poor contact cannot be caused.
The invention also comprises three snap rings 16 and an extrusion part 17, wherein one snap ring 16 fixes the first pin 7, and the other two snap rings 16 respectively fix the two second pins 10; the end of the pressing member 17 has a triangular configuration, and the end of the pressing member 17 corresponds to a position between the two rollers 14.
The working principle of the invention is as follows: the unused first support frame 1 and the second support frame 2 are in an open state, firstly, a battery tab 18 to be tested is placed between the first sampling copper part 3, the first overflowing copper part 5, the second sampling copper part 4 and the second overflowing copper part 6, then, an extrusion part 17 is aligned to a gap between the two rollers 14, the two rollers 14 are pushed to drive with force, so that a torsion spring 8 which is propped against the first support frame 1 and the second support frame 2 contracts, then, a lever principle is generated through the action of a first pin 7, so that the first sampling copper part 3, the first overflowing copper part 5, the second sampling copper part 4 and the second overflowing copper part 6 at the front end of the battery box are closed, at the moment, a small probe 9 which is welded on the first sampling copper part 3, the first overflowing copper part 5, the second sampling copper part 4 and the second overflowing copper part 6 is meshed with the tab 18 of the battery, the extrusion part 17 is not contacted with the two rollers 14 of the battery box after being electrified for a period of time, at the moment, the first support frame 1 and the second support frame 2 are subjected to the torsion spring 8 to restore, and work once.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, and is not to be construed as excluding other embodiments, and that the invention is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a be applied to lithium power battery's probe structure which characterized in that: including first support frame, second support frame, first sampling copper spare, second sampling copper spare, first overflow copper spare, second and overflow copper spare, first pin and torsional spring, first sampling copper spare with first overflow copper spare side by side insulation set up in first support frame, second sampling copper spare with the second overflow copper spare side by side insulation set up in the second support frame, first sampling copper spare first overflow copper spare the second sampling copper spare with the tip that the second overflowed copper spare all welds the microprobe, first support frame passes through first pin with the second support frame rotates the connection, the torsional spring housing is located first pin, the one end top of torsional spring support in first support frame, the other end top of torsional spring support in the second support frame.
2. The probe structure applied to the lithium power battery as claimed in claim 1, wherein: the end part of the first support frame is provided with two first connecting parts which are arranged at intervals, the end part of the second support frame is provided with two second connecting parts which are arranged at intervals, and the two first connecting parts respectively correspond to the two second connecting parts.
3. The probe structure applied to the lithium power battery as claimed in claim 2, wherein: still include two second pins and two gyro wheels, two the gyro wheel is respectively through two the second pin sets up in two first connecting portion and two between the second connecting portion.
4. The probe structure applied to the lithium power battery as claimed in claim 1, wherein: the first support frame and the second support frame are both provided with hollow parts.
5. The probe structure applied to the lithium power battery as claimed in claim 1, wherein: the first supporting frame is connected with the first sampling copper part and the first overflowing copper part in an injection molding mode, and the second supporting frame is connected with the second sampling copper part and the second overflowing copper part in an injection molding mode.
6. The probe structure applied to the lithium power battery as claimed in claim 1, wherein: the first copper spare that overflows with the second overflows the copper spare and all is provided with the spacing groove.
7. The probe structure applied to the lithium power battery as claimed in claim 3, wherein: still include three snap rings, one of them the snap ring will first pin is fixed, two the other the snap ring is fixed with two second pins respectively.
8. The probe structure applied to the lithium power battery as claimed in claim 3, wherein: the device also comprises an extrusion part, wherein the end part of the extrusion part is in a triangular structure, and the end part of the extrusion part corresponds to the position between the two rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693258.8A CN107290687B (en) | 2017-08-14 | 2017-08-14 | Probe structure applied to lithium power battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693258.8A CN107290687B (en) | 2017-08-14 | 2017-08-14 | Probe structure applied to lithium power battery |
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| Publication Number | Publication Date |
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| CN107290687A CN107290687A (en) | 2017-10-24 |
| CN107290687B true CN107290687B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710693258.8A Active CN107290687B (en) | 2017-08-14 | 2017-08-14 | Probe structure applied to lithium power battery |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159045B (en) * | 2018-07-17 | 2021-02-26 | 深圳市瑞能实业股份有限公司 | Battery clamping device |
| CN110174533A (en) * | 2019-05-31 | 2019-08-27 | 东莞市盈之宝电子科技有限公司 | Battery clamp cramping body manufacture craft |
Citations (8)
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| EP0447928A1 (en) * | 1990-03-13 | 1991-09-25 | Nann, Eberhard, Dr. phil. nat. | Method and measurement device for indicating the state of a lead battery |
| CN201892686U (en) * | 2010-10-29 | 2011-07-06 | 广州蓝奇电子实业有限公司 | Polymer lithium battery fixture suitable for four-wire method |
| CN202956406U (en) * | 2012-11-29 | 2013-05-29 | 东莞市盈之宝电子科技有限公司 | Adjustable lithium battery ageing capacity grading test fixture |
| CN202956410U (en) * | 2012-12-14 | 2013-05-29 | 东莞市盈之宝电子科技有限公司 | Lithium battery core detection clamp |
| CN203350296U (en) * | 2013-07-26 | 2013-12-18 | 东莞市盈之宝电子科技有限公司 | Clamp for testing high-power lithium-ion power battery cell |
| CN204287256U (en) * | 2014-12-11 | 2015-04-22 | 深圳市精实机电科技有限公司 | A kind of many spring-piece types probe assembly |
| CN205404615U (en) * | 2016-02-24 | 2016-07-27 | 宁德时代新能源科技股份有限公司 | A anchor clamps for test battery electric current |
| CN207301288U (en) * | 2017-08-14 | 2018-05-01 | 东莞市盈之宝电子科技有限公司 | A kind of probe structure applied to lithium dynamical battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050077904A1 (en) * | 2003-10-08 | 2005-04-14 | Midtronics, Inc. | Electronic battery tester with probe light |
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2017
- 2017-08-14 CN CN201710693258.8A patent/CN107290687B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0447928A1 (en) * | 1990-03-13 | 1991-09-25 | Nann, Eberhard, Dr. phil. nat. | Method and measurement device for indicating the state of a lead battery |
| CN201892686U (en) * | 2010-10-29 | 2011-07-06 | 广州蓝奇电子实业有限公司 | Polymer lithium battery fixture suitable for four-wire method |
| CN202956406U (en) * | 2012-11-29 | 2013-05-29 | 东莞市盈之宝电子科技有限公司 | Adjustable lithium battery ageing capacity grading test fixture |
| CN202956410U (en) * | 2012-12-14 | 2013-05-29 | 东莞市盈之宝电子科技有限公司 | Lithium battery core detection clamp |
| CN203350296U (en) * | 2013-07-26 | 2013-12-18 | 东莞市盈之宝电子科技有限公司 | Clamp for testing high-power lithium-ion power battery cell |
| CN204287256U (en) * | 2014-12-11 | 2015-04-22 | 深圳市精实机电科技有限公司 | A kind of many spring-piece types probe assembly |
| CN205404615U (en) * | 2016-02-24 | 2016-07-27 | 宁德时代新能源科技股份有限公司 | A anchor clamps for test battery electric current |
| CN207301288U (en) * | 2017-08-14 | 2018-05-01 | 东莞市盈之宝电子科技有限公司 | A kind of probe structure applied to lithium dynamical battery |
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| CN107290687A (en) | 2017-10-24 |
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