CN201126836Y - Battery clamp - Google Patents
Battery clamp Download PDFInfo
- Publication number
- CN201126836Y CN201126836Y CNU2007201960920U CN200720196092U CN201126836Y CN 201126836 Y CN201126836 Y CN 201126836Y CN U2007201960920 U CNU2007201960920 U CN U2007201960920U CN 200720196092 U CN200720196092 U CN 200720196092U CN 201126836 Y CN201126836 Y CN 201126836Y
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- CN
- China
- Prior art keywords
- plate
- battery
- battery clamp
- cylinder
- cathode contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides a battery fixture, which comprises a bottom plate, a damper arranged on the bottom plate, a cylinder having a cylinder rod, a pressure-plate fixed on the cylinder rod and can glide to the damper driven by the cylinder. The battery fixture of the utility model drives the pressure-plate to glide to the damper by the cylinder, which makes the pressure-plate press the battery on the damper tightly. Thus, plump-up deformation of the battery during constant current charge-discharge can be prevented, thereby controlling battery thickness accurately.
Description
Technical field
The utility model relates to a kind of battery clamp, particularly a kind of anchor clamps that can be used for preventing battery swell distortion in the constant current formation process.
Background technology
But lithium battery have higher energy quality than and energy volume ratio, memory-less effect recharge often, advantage such as grow useful life, price is lower, more and more with the product of lithium battery power supply, thus make lithium battery range of application also more and more widely.Especially, the appearance of lithium ion battery has promoted portable type electronic product to develop to littler lighter direction.Certainly, lithium ion battery also has its weak point, and for example: lithium battery is when constant current charge, because lithium battery energy density height, energy raise and will make its inner electrolyte decomposition and produce gas after the lithium battery temperature rose; These gases will make to press in the lithium battery and rise and cause the shell of lithium battery to produce swell and distortion, and the thickness that makes lithium battery changes and can not satisfy the requirement of specific products.
Therefore, how to prevent battery swell distortion in the constant current formation process, accurately control the thickness of battery, become the technical problem that the dealer is badly in need of solving.
The utility model content
The purpose of this utility model is to provide a kind of anchor clamps that can be used for preventing battery swell distortion in the constant current formation process.
The utility model is achieved in that a kind of battery clamp, and it comprises base plate, be arranged on plate washer on the described base plate, have the cylinder of cylinder rod and be fixed on the described cylinder rod and the pressing plate that can slide towards described plate washer under described air cylinder driven.
The utility model also provides a kind of battery clamp, it comprises base plate, is spaced apart and arranged in the some plate washers on the described base plate, and be located at the cylinder between the adjacent plate washer with cylinder rod and be fixed on the described cylinder rod, and can be at the pressing plate that between adjacent plate washer, reciprocatingly slides under the described cylinder action.
Compared with prior art, slide towards plate washer by the air cylinder driven pressing plate in the above-mentioned battery clamp, and make pressing plate tightly lithium battery is pressed on the plate washer.So, can prevent battery swell distortion in the constant current formation process, thereby accurately control the thickness of battery.
Description of drawings
Fig. 1 is the schematic diagram of the battery clamp of the utility model one embodiment.
Fig. 2 is the schematic diagram that the battery clamp among Fig. 1 compresses lithium battery, and wherein this lithium battery is in the constant current charge state.
Fig. 3 is the battery clamp working state schematic representation of another embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Figure 1 shows that the schematic diagram of the battery clamp 10 of the utility model one embodiment, this battery clamp 10 comprises that base plate 200, two block gaps are arranged on the plate washer 300,400 on the base plate 200, and is located at cylinder 500 and pressing plate 600 between the plate washer 300,400.Wherein, this cylinder 500 has cylinder rod 520, and this pressing plate 600 is fixed on the cylinder rod 520.
This base plate 200 can be fixed on the constant current cabinet (not shown) by elements such as screws, and plate washer 300,400 is fixed on the base plate 200 by elements such as screws according to predetermined spacing, and two plate washers 300,400 roughly are parallel to each other.Cylinder 500 can be fixed on (as shown in fig. 1) on the plate washer 400 by elements such as screws; Certainly, cylinder 500 also can be fixed on the base plate 200 by elements such as screws.Pressing plate 600 and plate washer 300,400 almost parallels, and pressing plate 600 can reciprocatingly slide between plate washer 300,400 under cylinder 500 effects.Depart from for preventing that the slip of pressing plate 600 between plate washer 300,400 from producing, this battery clamp 10 can further comprise a guide post 700.This guide post 700 and cylinder rod 520 almost parallels, the one end is connected with pressing plate 600, its other end is located in the cylinder 500, and so, pressing plate 600 can slide according to predetermined direction, speed between plate washer 300,400 under the guiding of guide post 700 and cylinder rod 520.
In addition, this cylinder 500 can be under the control of constant current cabinet, regulates the size of its power that pressing plate 600 is applied, and then regulate 600 pairs of battery applied pressures of pressing plate size, thereby play the anti-deformation effect of battery when constant current changes into to different model.
The operation principle of the above-mentioned battery clamp 10 of following brief description.
Figure 2 shows that this battery clamp 10 compresses a battery, the view of lithium battery 800 particularly, wherein this lithium battery 800 is in the constant current charge state.During use, earlier lithium battery 800 is close to plate washer 300, and makes the top cathode contact 920 of constant current cabinet and rivet and the bottom that following cathode contact 940 tightens lithium battery 800 respectively; Then,, make cylinder 500 that certain pressure is sent by cylinder rod 520 and pass pressing plate 600, pressing plate 600 is pressed in lithium battery 800 on the plate washer 300 tightly constant current cabinet switch opens; At this moment, can carry out constant current charge to lithium battery 800.In to lithium battery 800 charging processes, the temperature of lithium battery 800 rises gradually, and its inner electrolyte is the decomposition gas gradually along with the rising of temperature also, and gas by the even extruding of battery clamp 10, slowly overflows from liquid injection hole again; Simultaneously, the gas that is not overflowed is undertaken again synthetic under the pressure of anchor clamps 10 by chemical reaction, thereby reaches the effect of battery distortion and swell when preventing that constant current from changing into, and then accurately controls the thickness of lithium battery.
The electrolyte that overflows when avoiding charging is trapped in lithium battery 800 rivet places and causes short circuit, can make plate washer 300 close on an end of cathode contact 920 between cathode contact 920 and cathode contact 940, that is be positioned at cathode contact 920 belows, and the spacing that keeps about 2mm-8mm with cathode contact 920.
Above-mentioned plate washer 300,400 and pressing plate 600 can be made by corrosion resistant bakelite, because the cost of bakelite is low and durable, can reduces the cost of this battery clamp 10, and can promote the reliability of this battery clamp 10.
Figure 3 shows that the working state schematic representation of the battery clamp 10a of another embodiment of the utility model.As shown in FIG., this battery clamp 10a comprises base plate 200a, is spaced apart and arranged in the some plate washer 300a on this base plate 200a, and be located at the cylinder 500a and with cylinder rod 520a between the adjacent plate washer 300a and be fixed on pressing plate 600a on the cylinder rod 520a, this pressing plate 600a can reciprocatingly slide between adjacent plate washer 300a under the cylinder 500a effect.The operation principle of the battery clamp 10 among the operation principle of this battery clamp 10a and the last embodiment is identical, does not repeat them here.
In addition, shown in Fig. 2-3, lithium battery is pressed on plate washer 300, the 300a when constant current changes into tightly, makes lithium battery be difficult for becoming flexible and causes loose contact, can reduce battery and return the rate of filling, thereby play the effect of consumption reduction.
In sum, battery clamp of the present utility model has the effect of the constant current of preventing battery distortion and swell when changing into, and can accurately control the thickness of lithium battery.Below by several groups the experiment to recently further specifying the beneficial effect of the relative prior art of the utility model.
The thickness experimental result:
| The battery source | Experimental cell quantity | The super thick rate of battery after the constant current | The super thick rate of battery behind the partial volume | The super thick rate of battery before the |
| Existing product | ||||
| 500 | 20％ | 12％ | 4.2％ | |
| The product that the utility model obtains | 500 | 9.4％ | 4.6％ | 1.23％ |
The cycle performance comparing result:
Get three batteries respectively and do loop test, capacity surplus ratio after 400 times, the contrast of internal resistance rate of change are as following table:
Return and fill rate experiment comparing result:
| The battery source | Experimental cell quantity | Battery returns the rate of filling because of what loose contact caused after the constant current |
| Existing product | 100 | 3％ |
| The product that the utility model obtains | 100 | 0％ |
Experimental result shows: the utility model not only can improve cell thickness significantly under the prerequisite that does not influence other performance of battery, also play the effect of energy-saving consumption-reducing on certain degree.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1, a kind of battery clamp is characterized in that, it comprises base plate, be arranged on plate washer on the described base plate, have the cylinder of cylinder rod and be fixed on the described cylinder rod and the pressing plate that can slide towards described plate washer under described air cylinder driven.
2, battery clamp as claimed in claim 1 is characterized in that, described pressing plate is parallel with plate washer.
3, battery clamp as claimed in claim 1 is characterized in that, described battery clamp also comprises another plate washer, and described two plate washers are spaced apart and arranged on the described base plate; Described pressing plate and cylinder are arranged between described two plate washers.
4, battery clamp as claimed in claim 1 is characterized in that, described battery clamp also comprises guide post, and described guide post is parallel with cylinder rod, and an end of described guide post is connected with described pressing plate, and its other end is located at described cylinder.
5, battery clamp as claimed in claim 1 is characterized in that, described plate washer and pressing plate are made by bakelite.
6, battery clamp as claimed in claim 1 is characterized in that, described base plate be fixed on have cathode contact and cathode contact constant current cashier's office in a shop; Described plate washer closes on an end of described cathode contact between described cathode contact and described cathode contact, and and described cathode contact between leave spacing.
7, battery clamp as claimed in claim 6 is characterized in that, described plate washer closes on the spacing that has 2mm-8mm between end of described cathode contact and the described cathode contact.
8, a kind of battery clamp, it is characterized in that, it comprises base plate, is spaced apart and arranged in the some plate washers on the described base plate, and be located at the cylinder between the adjacent plate washer with cylinder rod and be fixed on the described cylinder rod, and can be at the pressing plate that between adjacent plate washer, reciprocatingly slides under the described cylinder action.
9, battery clamp as claimed in claim 8 is characterized in that, described pressing plate is parallel with plate washer.
10, battery clamp as claimed in claim 8 is characterized in that, described base plate is fixed on constant current cashier's office in a shop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201960920U CN201126836Y (en) | 2007-12-13 | 2007-12-13 | Battery clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201960920U CN201126836Y (en) | 2007-12-13 | 2007-12-13 | Battery clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126836Y true CN201126836Y (en) | 2008-10-01 |
Family
ID=40000302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201960920U Expired - Fee Related CN201126836Y (en) | 2007-12-13 | 2007-12-13 | Battery clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126836Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205517A (en) * | 2010-03-31 | 2011-10-05 | 比亚迪股份有限公司 | Method for thinning glass |
| CN101733601B (en) * | 2009-12-08 | 2012-02-15 | 超威电源有限公司 | Lead-acid battery installed and welded fixture |
| CN107112575A (en) * | 2014-11-11 | 2017-08-29 | 株式会社Lg化学 | Extrusion clamp for secondary battery cell |
| CN107966668A (en) * | 2017-12-25 | 2018-04-27 | 北京国能电池科技有限公司 | Battery acupuncture experimental provision |
-
2007
- 2007-12-13 CN CNU2007201960920U patent/CN201126836Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733601B (en) * | 2009-12-08 | 2012-02-15 | 超威电源有限公司 | Lead-acid battery installed and welded fixture |
| CN102205517A (en) * | 2010-03-31 | 2011-10-05 | 比亚迪股份有限公司 | Method for thinning glass |
| CN107112575A (en) * | 2014-11-11 | 2017-08-29 | 株式会社Lg化学 | Extrusion clamp for secondary battery cell |
| CN107112575B (en) * | 2014-11-11 | 2019-07-09 | 株式会社Lg化学 | Extrusion clamp for secondary battery cell |
| CN107966668A (en) * | 2017-12-25 | 2018-04-27 | 北京国能电池科技有限公司 | Battery acupuncture experimental provision |
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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 |
Granted publication date: 20081001 Termination date: 20151213 |
|
| EXPY | Termination of patent right or utility model |