CN204142430U - A kind of battery leakage pick-up unit - Google Patents
A kind of battery leakage pick-up unit Download PDFInfo
- Publication number
- CN204142430U CN204142430U CN201420430564.4U CN201420430564U CN204142430U CN 204142430 U CN204142430 U CN 204142430U CN 201420430564 U CN201420430564 U CN 201420430564U CN 204142430 U CN204142430 U CN 204142430U
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- battery
- housing
- thickness measuring
- measuring hole
- installation section
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of battery leakage pick-up unit, comprises, and detects casing; Gas held chamber, is arranged on and detects in casing; Air intake opening, be arranged on and detect on casing, air intake opening is communicated with gas held chamber; Battery installation section, is arranged on and detects in casing, for installing mesuring battary; Thickness measuring hole, thickness measuring hole is arranged on the side of battery installation section; Mesuring battary sealing is arranged in battery installation section, and the end of mesuring battary is exposed at gas held chamber place, and wide of mesuring battary exposed at thickness measuring hole place, is provided with the measuring thickness device for detecting mesuring battary thickness in thickness measuring hole.The battery leakage pick-up unit that the utility model provides, have employed malleation test, during test, non-leakage battery container can not change, and can reduce and even avoid the impact of leakage detection on battery outward appearance; Further, detection efficiency is high, and False Rate is low, can be good at realizing detecting the leakage situation of battery, improves the yields of battery shipment battery.
Description
Technical field
The utility model belongs to leakage of lithium ion battery detection field, particularly relates to the battery leakage pick-up unit of a kind of high-level efficiency, high-accuracy.
Background technology
Polymer flexible packaging lithium ion battery has the advantages such as voltage is high, specific energy is high, recycle often, storage time is long, not only on a portable electronic device as mobile phone, Digital Video and laptop computer are used widely, and be widely used in the big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool.Polymer flexible packaging lithium ion battery has better profile dirigibility, so be more applied in the electronic equipment of various pursuit fashion attractive in appearance relative to square and circular lithium-ion batteries.
Polyalcohol flexible packing battery is battery case with aluminum-plastic packaging bag, and in battery assembling process, three limits of battery need to carry out packaging by hot pressing, always there will be cell sealing not firm, in use occur the situation of battery leakage in encapsulation process; Affect the usability of battery, affect the security performance of battery, client is caused damage.
Therefore, after battery preparation, before shipment, need to carry out leakage detection to battery, select; Sift out the battery that there is leakage problem, ensure the quality of the lithium ion battery of shipment.Existing apparatus for testing weeping, multiplex principle of negative pressure detects, and when detecting, efficiency is lower, and False Rate is higher; Further, when vacuum tightness is higher, comparatively large on the impact of battery itself, easily cause cell expansion, bad order.
Summary of the invention
The utility model is to overcome the deficiencies in the prior art, a kind of battery leakage pick-up unit is provided, when adopting the pick-up unit provided in prior art to detect to solve, under detection efficiency, False Rate is high, and adopt detection of negative pressure to cause cell expansion excessive, cause the technical matters of bad order.
To achieve these goals, the utility model provides a kind of battery leakage pick-up unit, comprises, and detects casing; Gas held chamber, is arranged on and detects in casing; Air intake opening, be arranged on and detect on casing, air intake opening is communicated with gas held chamber; Battery installation section, is arranged on and detects in casing, for installing mesuring battary; Thickness measuring hole, thickness measuring hole is arranged on the side of battery installation section; Mesuring battary sealing is arranged in battery installation section, and the end of mesuring battary is exposed at gas held chamber place, and wide of mesuring battary exposed at thickness measuring hole place, is provided with the measuring thickness device for detecting mesuring battary thickness in thickness measuring hole.
Preferably, above-mentioned thickness measuring hole is two, and two thickness measuring holes lay respectively on position symmetrical on the two sides of battery installation section.
Further, detect casing and comprise the first housing and the second housing, gas held chamber is formed between first housing and the second housing, coordinate between first housing with the second housing and be formed with battery installation section, position corresponding with battery installation section on the first housing and/or the second housing is provided with thickness measuring hole.
Preferably, position corresponding with battery installation section on the first housing is provided with thickness measuring hole, position corresponding with battery installation section on the second housing is provided with thickness measuring hole, the thickness measuring hole on the thickness measuring hole on the first housing and the second housing is symmetrical arranged.
Preferably, above-mentioned gas container cavity is square ring cavity.
Preferably, above-mentioned thickness measuring hole is square ring groove.
Further, above-mentioned air intake opening is connected with air strainer.
Further, the first housing is formed with inwardly protruded first lug boss, the second housing is formed with inwardly protruded second lug boss, the first lug boss and the second lug boss are combined to form battery installation section.
Further, thickness measuring hole is positioned on the first lug boss or the second lug boss.
Preferably, the first housing is provided with the first square ring half cavity, the second housing is provided with the second square ring half cavity, the first square ring half cavity and the second square ring half cavity are combined to form gas held chamber.
The battery leakage pick-up unit that the utility model provides, have employed malleation test, during test, non-leakage battery container can not change, and can reduce and even avoid the impact of leakage detection on battery outward appearance; Further, adopt the battery leakage pick-up unit that the utility model provides, detection efficiency is high, and False Rate is low, can be good at realizing detecting the leakage situation of battery, improves the yields of battery shipment battery.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the battery leakage pick-up unit global sections schematic diagram that the utility model provides.
Fig. 2 is the first body diagram of the battery leakage pick-up unit that the utility model provides.
Fig. 3 is the second body diagram of the battery leakage pick-up unit that the utility model provides.
Reference numeral:
Detect casing 1; First housing 11; Second housing 12; First lug boss 111; Second lug boss 121;
Measuring thickness device 2; Mesuring battary 3; Gas held chamber 4; Battery installation section 5; Air intake opening 6; Thickness measuring hole 7.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The utility model provides a kind of battery leakage pick-up unit, comprises and detects casing 1; Gas held chamber 4, this gas held chamber 4 is arranged on to be detected in casing 1; Air intake opening 6, be arranged on and detect on casing 1, this air intake opening 6 is communicated with gas held chamber 4, and when leakage detects, this air intake opening 6 is connected with external inflation device, is imported by gas in gas held chamber 4; Battery installation section 5, is arranged on and detects in casing 1, for installing mesuring battary 3, after mesuring battary 3 being arranged in battery installation section 5, making thickness measuring hole 7 and gas held chamber 4 be in a kind of isolated state, sealing simultaneously to gas held chamber 4; Thickness measuring hole 7, is arranged on the side of battery installation section 5, and as shown in Figure 1, thickness measuring hole 7 is positioned at battery installation section 5 or detects the upper side of casing 1 or at least one side of downside.
When carrying out leakage to battery and detecting, mesuring battary 3 sealing is arranged in battery installation section 5, here the sealing mentioned is installed, be interpreted as, after mesuring battary 3 is arranged in battery installation section 5, whole gas held chamber 4 is in sealing state, by the gas that air intake opening 6 is thrown into, only when the end of mesuring battary 3 exists gap or perforate, when namely mesuring battary 3 exists leakage gap, just understand in some gas from gas container cavity 4 and be expelled to mesuring battary 3 inside.
After mesuring battary 3 installation, its end is exposed at gas held chamber 4 place, namely mesuring battary 34 leptoprosopy at least partially or all exposed at gas held chamber 4 place, also end encapsulation place that can be understood as mesuring battary 3 wants exposed at gas held chamber 4 place, extend out in gas held chamber 4, or the side-walls in encapsulating face/end and gas held chamber 4 is on a plane; Its Main Function is, after to inflation in gas held chamber 4, if there is leakage situation in mesuring battary 3, certainly, this leakage situation is not generally all because encapsulation sternly causes, so gas will from the exposed inside flowing into mesuring battary 3 in the open-ended of gas held chamber 4 or gap of mesuring battary 3, to realize detecting the leakage of mesuring battary 3.
Meanwhile, the wide face of mesuring battary 3 also wants exposed at thickness measuring hole 7 place, and so-called wide, be two large faces of general battery, those skilled in the art are readily appreciated that.This part of wide is exposed to be interpreted as at thickness measuring hole 7 place, and wide of mesuring battary 3 some is contacted with extraneous air by thickness measuring hole 7; In this case, if there is leakage situation in mesuring battary 3, gas is after entering mesuring battary 3 inside, because the pressure ratio atmospheric pressure in gas held chamber 4 wants large, at this moment the wide face that mesuring battary 3 is positioned at thickness measuring hole 7 place will outwards be heaved, and then follow-up thickness measuring step can be realized.
In order to detect the exposed variation in thickness of wide at thickness measuring hole 7 place of mesuring battary 3, in this thickness measuring hole 7, be provided with measuring thickness device 2.When the thickness of the mesuring battary 3 that measuring thickness device 2 detects changes, mean that the encapsulation of mesuring battary 3 is not tight, there is the possibility of leakage; Described measuring thickness device 2 can be the device that can realize thickness measuring function that this area is commonly used, such as can for being arranged on the thickness measuring probe etc. in thickness measuring hole 7, allly can be arranged in thickness measuring hole 7, be all feasible for responding to the device of mesuring battary 3 variation in thickness.
By above-mentioned apparatus for testing weeping, leakage detection is carried out to mesuring battary 3, can False Rate be reduced, improve detection efficiency, and less on the impact of mesuring battary 3 itself.
Certainly, in order to realize robotization or convenient operation, this battery leakage pick-up unit also needs base, supporting construction etc., and these are all structures conventional in physical construction, are not just too much repeating at this.In addition, air intake opening 6 place also needs setting pressure table, to prevent the excessive danger brought of pressure.Meanwhile, as shown in Figure 1, the cooperation of upper and lower two housings also needs propulsion system, such as cylinder etc., for being pressed together by upper and lower two housings, sealing to be arranged on detect casing 1 inside to make mesuring battary 3.
In an embodiment of the present utility model, thickness measuring hole 7 can be two, and two thickness measuring holes 7 lay respectively on position symmetrical on the two sides of battery installation section 5; As shown in Figure 1, a thickness measuring hole 7 is positioned at the upside of battery installation section 5, and a thickness measuring hole 7 is positioned at the downside of battery installation section 5, and two thickness measuring holes 7 are positioned on symmetrical position.Measuring thickness device 2 is arranged in two thickness measuring holes 7, detects the deformation of mesuring battary 3 from the pros and cons of mesuring battary 3 simultaneously, improves the sensitivity and accuracy that detect.Certainly, thickness measuring hole 7 also can be 1, or is multiple diverse location, asymmetric set-up mode, needs and determine according to concrete structure, as long as can install the deformation condition that measuring thickness device 2 also can detect mesuring battary 3.
In order to filtered air, be connected with air strainer at air intake opening, can foreign material in filtered atmospheric.
In another embodiment of the present utility model, detect casing 1 and comprise the first housing 11 and the second housing 12, gas held chamber 4 is formed between first housing 11 and the second housing 12, coordinate between first housing 11 and the second housing 12 and be formed with battery installation section 5, position corresponding with battery installation section 5 on the first housing 11 and/or the second housing 12 is provided with thickness measuring hole 7.As previously described, thickness measuring hole 7 can in the side of battery installation section 5, also can in the both sides of battery installation section 5; When thickness measuring hole 7 is positioned at the both sides of battery installation section 5, to be namely positioned on the first housing 11 and on the second housing 12 time, the positional symmetry of the thickness measuring hole 7 on the first housing 11 and the thickness measuring hole 7 on the second housing 12 is arranged.
As shown in Figure 1, gas held chamber 4 is square ring cavity; Thickness measuring hole 7 is square ring groove.As shown in Figures 2 and 3, the first housing 11 is provided with on the first lug boss 111, second housing 12 and is provided with the second lug boss 121, first lug boss 111 and the second lug boss 121 cooperation formation battery installation section 5.
Gas held chamber 4 is square ring cavity, and preferably the device of this structure is easily made to be one, and die sinking is simple, can be cost-saving to a certain extent; Certainly, cylindrical annular cavity is made in gas held chamber 4, or is not even the cavity of ring-type, is all feasible, as long as can realize the effect of gas held chamber 4 in the utility model.
As shown in Figures 2 and 3, first housing 11 is provided with the first square ring half cavity, second housing is provided with the second square ring half cavity, after the first housing 11 and the second housing 12 combine, the first square ring half cavity and the second square ring half cavity are combined to form gas held chamber 4; Meanwhile, the first lug boss 111 and the second lug boss 121 are combined to form battery installation section 5.
First lug boss 111 and the second lug boss 121 can be provided with thickness measuring hole 7 simultaneously, or one of them is provided with thickness measuring hole 7, those skilled in the art can require to select according to concrete scheme.
As shown in Figure 2 or Figure 3, thickness measuring hole 7 is except can being above-mentioned square ring groove, it can also be the independent strip groove formed, at this, concrete restriction is not done to its shape, as long as mesuring battary 3 can be realized to be communicated with outside, when cell expansion, the change of shape of mesuring battary 3 can be detected.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (10)
1. a battery leakage pick-up unit, is characterized in that, comprises,
Detect casing;
Gas held chamber, is arranged on and detects in casing;
Air intake opening, be arranged on and detect on casing, described air intake opening is communicated with described gas held chamber;
Battery installation section, is arranged on and detects in casing, for installing mesuring battary;
Thickness measuring hole, described thickness measuring hole is arranged on the side of described battery installation section;
Described mesuring battary sealing is arranged in described battery installation section, and the end of described mesuring battary is exposed at gas held chamber place, and wide of described mesuring battary exposed at thickness measuring hole place, is provided with the measuring thickness device for detecting mesuring battary thickness in described thickness measuring hole.
2. battery leakage pick-up unit according to claim 1, is characterized in that, described thickness measuring hole is two, and two described thickness measuring holes lay respectively on position symmetrical on the two sides of battery installation section.
3. battery leakage pick-up unit according to claim 1, it is characterized in that, described detection casing comprises the first housing and the second housing, gas held chamber is formed between described first housing and the second housing, described first housing is formed with battery installation section with coordinating between the second housing, and position corresponding with described battery installation section on described first housing and/or the second housing is provided with thickness measuring hole.
4. battery leakage pick-up unit according to claim 3, it is characterized in that, position corresponding with described battery installation section on described first housing is provided with thickness measuring hole, position corresponding with described battery installation section on described second housing is provided with thickness measuring hole, and the thickness measuring hole on described first housing and the thickness measuring hole on the second housing are symmetrical arranged.
5. battery leakage pick-up unit according to claim 1, is characterized in that, described gas held chamber is square ring cavity.
6. battery leakage pick-up unit according to claim 1, is characterized in that, described thickness measuring hole is square ring groove.
7. battery leakage pick-up unit according to claim 1, is characterized in that, described air intake opening is connected with air strainer.
8. battery leakage pick-up unit according to claim 3, it is characterized in that, described first housing is formed with inwardly protruded first lug boss, described second housing is formed with inwardly protruded second lug boss, and described first lug boss and the second lug boss are combined to form described battery installation section.
9. battery leakage pick-up unit according to claim 8, is characterized in that, described thickness measuring hole is positioned on described first lug boss or the second lug boss.
10. battery leakage pick-up unit according to claim 3, it is characterized in that, described first housing is provided with the first square ring half cavity, described second housing is provided with the second square ring half cavity, described first square ring half cavity and the second square ring half cavity are combined to form described gas held chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430564.4U CN204142430U (en) | 2014-07-31 | 2014-07-31 | A kind of battery leakage pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430564.4U CN204142430U (en) | 2014-07-31 | 2014-07-31 | A kind of battery leakage pick-up unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204142430U true CN204142430U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420430564.4U Expired - Fee Related CN204142430U (en) | 2014-07-31 | 2014-07-31 | A kind of battery leakage pick-up unit |
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| Country | Link |
|---|---|
| CN (1) | CN204142430U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733717A (en) * | 2016-12-27 | 2017-05-31 | 浙江超威创元实业有限公司 | A kind of method for detecting that soft package lithium battery is damaged |
| CN109205291A (en) * | 2018-08-17 | 2019-01-15 | 力信（江苏）能源科技有限责任公司 | Lithium ion square power battery full-automatic transplantation tests leakage equipment |
| CN109579905A (en) * | 2017-09-22 | 2019-04-05 | 深圳格林德能源集团有限公司 | A kind of polymer Li-ion battery leakage characterization processes |
| CN109813507A (en) * | 2019-01-30 | 2019-05-28 | 无锡格林司通自动化设备有限公司 | A kind of flexible-packed battery leak test method and mechanism |
| CN111521354A (en) * | 2020-04-30 | 2020-08-11 | 捷威动力工业嘉兴有限公司 | Method and device for detecting air tightness of battery cell |
| CN114608762A (en) * | 2022-02-23 | 2022-06-10 | 珠海冠宇电源有限公司 | Battery leakage detection method and detection device |
| WO2023061216A1 (en) * | 2021-10-13 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Detection device for battery cell |
-
2014
- 2014-07-31 CN CN201420430564.4U patent/CN204142430U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733717A (en) * | 2016-12-27 | 2017-05-31 | 浙江超威创元实业有限公司 | A kind of method for detecting that soft package lithium battery is damaged |
| CN106733717B (en) * | 2016-12-27 | 2019-01-25 | 浙江超威创元实业有限公司 | A method of detection soft package lithium battery is damaged |
| CN109579905A (en) * | 2017-09-22 | 2019-04-05 | 深圳格林德能源集团有限公司 | A kind of polymer Li-ion battery leakage characterization processes |
| CN109205291A (en) * | 2018-08-17 | 2019-01-15 | 力信（江苏）能源科技有限责任公司 | Lithium ion square power battery full-automatic transplantation tests leakage equipment |
| CN109813507A (en) * | 2019-01-30 | 2019-05-28 | 无锡格林司通自动化设备有限公司 | A kind of flexible-packed battery leak test method and mechanism |
| CN111521354A (en) * | 2020-04-30 | 2020-08-11 | 捷威动力工业嘉兴有限公司 | Method and device for detecting air tightness of battery cell |
| CN111521354B (en) * | 2020-04-30 | 2022-06-21 | 捷威动力工业嘉兴有限公司 | Method and device for detecting air tightness of battery cell |
| WO2023061216A1 (en) * | 2021-10-13 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Detection device for battery cell |
| CN114608762A (en) * | 2022-02-23 | 2022-06-10 | 珠海冠宇电源有限公司 | Battery leakage detection method and detection device |
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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: 20150204 Termination date: 20210731 |