CN200997414Y - Liquid filler for battery - Google Patents
Liquid filler for battery Download PDFInfo
- Publication number
- CN200997414Y CN200997414Y CNU200620145371XU CN200620145371U CN200997414Y CN 200997414 Y CN200997414 Y CN 200997414Y CN U200620145371X U CNU200620145371X U CN U200620145371XU CN 200620145371 U CN200620145371 U CN 200620145371U CN 200997414 Y CN200997414 Y CN 200997414Y
- Authority
- CN
- China
- Prior art keywords
- fluid injection
- battery
- chamber
- tube
- injection chamber
- 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
Links
Images
Classifications
-
- 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
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model relates to a novel the battery liquid injector, which is provided with a base, wherein the upper part of the base is provided with a battery base through a base board. The device is characterized in that on the upper part of the battery, the base board is fixed with a hermetic liquid injection chamber through a support; the liquid injection chamber is provided with a liquid feeding pipe; the liquid feeding pipe and the liquid injection chamber are communicated with an internal cavity; the lower part of the liquid injection chamber is provided with at least a liquid injection canister; one end of the liquid injection canister and the internal cavity of the liquid injection are communicated and the other end is provided with a liquid injection nozzle that can be inserted and positioned on the battery base; the liquid injection chamber is also provided with a exhausting vacuum component that can draw the internal chamber of the liquid injection chamber into a vacuum and a pressuring component that imposing pressure on the liquid injection chamber.
Description
Technical field
The utility model is about a kind of electrolyte to be injected the equipment of battery case, but but particularly relates to a kind of not only novel battery fluid injection machine of the lithium ion battery of pressurized liquid injection but also vacuum fluid injection accurately.
Background technology
At present, along with the progress of microelectric technique and the development of a large amount of mobile electronic equipments that come out, as mobile phone, video camera, notebook computer, palmtop PC and the electric automobile that occurs in recent years etc., high-energy, volume are little to having, the demand of the lithium ion battery of dependable performance is increasing.Therefore, each research institution and Battery Company are more and more to the research input of lithium ion battery, and be also more and more deep to the research of lithium ion.The fluid injection mode that battery is commonly used has two kinds:
A kind of method is quantitatively to drip fluid injection, promptly is (as the CN2585421 patent institute disclosure of China) in the adding Experimental cell that electrolyte is quantitative.This fluid injection mode can accurately be controlled the reservoir quantity of battery, also liquid-injection equipment can be done to use in the breadboard glove box to being suitable for for a short time; But, electrolyte is to inject from battery battery core top, be difficult to the air of inside battery is discharged, cause the electrolyte infiltration rate slow, thereby and cause easily electrolyte excessive, spatter and cause the battery case outer wall to be stained with electrolyte outward, so that cause battery alkali phenomenon, the shell of corrosion cell in storage process, to occur climbing, this has had a strong impact on the outward appearance of battery on the one hand, also can cause battery life minimizing, capacity reduction, internal resistance increase etc. to have a strong impact on the phenomenon of battery electrical property on the other hand.In addition, high-capacity battery is owing to be tight assembling, therefore directly annotates to add the electrolyte difficulty, needs to divide to annotate several times to add, and causes reservoir quantity precision control difficulty on the one hand and repeatedly annotate to add, and causes the fluid injection inefficiency on the other hand, is not suitable for producing in batches.
Another kind method is the vacuum method fluid injection, promptly by to battery vacuum-pumping, makes electrolyte oneself enter in the battery (content that is disclosed as the CN2519421 patent and the CN2824227 patent of China) under vacuum pressure.This method is owing to be earlier inside battery gas to be extracted out the excessive phenomenon of the fine solution electrolyte of energy of fluid injection again, but this kind priming device is all huger generally speaking, be not suitable for operating in the laboratory glove-boxes, and can not pressurized liquid injection, therefore do not satisfy the reservoir quantity requirement of high-capacity battery.
The utility model content
At foregoing, the purpose of this utility model promptly is to provide a kind of fluid injection accurate, but but the not only novel battery fluid injection machine of pressurized liquid injection but also vacuum fluid injection.
The purpose of this utility model is achieved through the following technical solutions:
The utility model provides a kind of novel battery fluid injection machine, be provided with base, above this base, battery tray is installed by a base plate, especially above this battery tray, be fixed with the fluid injection chamber of a sealing on this base by a support, the close feed tube that is provided with in this fluid injection chamber, this feed tube is communicated with the inner chamber feud of this fluid injection chamber; Be provided with at least one fluid injection tube below this fluid injection chamber, an end of this fluid injection tube is communicated with the bore seal of this fluid injection chamber, and the other end is provided with can be for inserting the liquid injecting mouth that is positioned at the battery on the described battery tray; On this fluid injection chamber, also be provided with vacuumizing part that the inner chamber of fluid injection chamber can be vacuumized and the pressure-producing part that can pressurize to the inner chamber of fluid injection chamber.
On the said structure basis, wherein:
Described vacuumizing part is provided with vacuum pump, and the air entry of this vacuum pump is communicated with described fluid injection chamber by a vacuum tube, is provided with vacuum meter on this vacuum tube.
Described pressure-producing part is provided with force (forcing) pump, and the gas outlet of this force (forcing) pump is communicated with described fluid injection chamber by a dry tracheae, is provided with Pressure gauge on this drying tracheae.
The number of described feed tube is identical with the number of fluid injection tube, and this feed tube is arranged on the top of described fluid injection chamber, and relative one by one with the position of the fluid injection tube that is arranged on below, fluid injection chamber.
Described fluid injection tube is arranged with the protective sleeve that is used for protecting described liquid injecting mouth at the end near battery tray.Wherein, this protective sleeve is provided with the elasticity spacer ring in the end around liquid injecting mouth.
Be provided with ball valve in the described feed tube.Wherein, described feed tube is provided with unidirectional valve below this ball valve.
The bottom of described battery tray is provided with double-screw bolt, be formed with perforation on the described base plate, be arranged with spring on this double-screw bolt, and this double-screw bolt passes this perforation and makes this spring be folded between described battery tray and the described base plate with prestoring certain elastic potential energy, and in this stud end by nut check.
Also be provided with on the described fluid injection chamber and be equipped with balance pipe, also have a valve on this balance pipe.
Compared to prior art, a kind of novel battery of the utility model has the following advantages with the fluid injection machine:
(1) overall structure of the utility model fluid injection chamber, and the vacuumizing part and the pressure-producing part that are separately positioned on these both sides, fluid injection chamber, if therefore be used for the laboratory, and since the battery of laboratory research for the fluid injection environment of battery and coherence request all than higher, the laboratory battery is generally all operated in glove box or drying box, the corresponding components and parts that the part components and parts of vacuumizing part described in the utility model and pressure-producing part can utilize glove box self to be equipped with fully, so compared to traditional huger battery liquid-filling equipment of workshop that is used in, fluid injection machine of the present utility model simple in structure, volume is little, portable, easy to operate; (2) the utility model is provided with vacuumizing part, and the excessive phenomenon of electrolyte when can be good at solving fluid injection guarantees performances such as battery capacity and outward appearance; (3) the utility model also is provided with pressure-producing part, can make electrolyte successfully inject battery fast when fluid injection; (4) feed tube of the present utility model and fluid injection tube lay respectively at the upper and lower of fluid injection chamber, and the position is relative one by one, therefore can improve fluid injection efficient and control fluid injection precision effectively.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the main TV structure schematic diagram of the utility model battery with the fluid injection machine.
Fig. 2 is the utility model battery with the part section structural representation of the fluid injection chamber of fluid injection machine and feed tube, fluid injection tube coupling part.
Fig. 3 is the part section structural representation of the utility model battery with the fluid injection tube of fluid injection machine.
Fig. 4 is the generalized section of the utility model battery with the mounting structure of battery tray, support and the base plate of fluid injection machine.
Fig. 5 is the utility model battery embodiment involved in the fluid injection machine and reservoir quantity distribution map of comparative example.
Embodiment
Please refer to Fig. 1, a kind of novel battery of the utility model fluid injection machine, be provided with base 1, above this base 1, battery tray 2 is installed by a base plate 21, wherein above this battery tray 2, be fixed with the fluid injection chamber 4 of a sealing on this base 1 by a support 3, the top of this fluid injection chamber 4 is provided with five feed tubes 5 (feed tube can certainly only be set), this each feed tube 5 is communicated with inner chamber 12 (the please refer to Fig. 2) sealing of this fluid injection chamber 4, in each feed tube 5, be equipped with ball valve 19, below this ball valve 19, also be provided with unidirectional valve 20 in this each feed tube 5; Below this fluid injection chamber 4, be provided with five fluid injection tubes 6; these five fluid injection tubes 6 are relative one by one with the position of five feed tubes 5 that are arranged on 4 tops, described fluid injection chamber; one end of this each fluid injection tube 6 all is communicated with inner chamber 12 sealings of this fluid injection chamber 4; the other end is equipped with can be for inserting the liquid injecting mouth 7 that is positioned at the battery on the described battery tray 2; this fluid injection tube 6 is arranged with the protective sleeve 8 that is used for protecting this liquid injecting mouth 7 at the end near battery tray 2, and this protective sleeve 8 is provided with elasticity spacer ring 9 (please refer to Fig. 3) in the end around liquid injecting mouth 7.On the two ends of this fluid injection chamber 4, also be respectively arranged with vacuumizing part that the inner chamber 12 of fluid injection chamber 4 can be vacuumized and the pressure-producing part that can pressurize to the inner chamber 12 of fluid injection chamber 4.Wherein, vacuumizing part is provided with vacuum pump 10, and the air entry of this vacuum pump 10 is communicated with described fluid injection chamber 4 by a vacuum tube 14, is provided with vacuum meter 15 on this vacuum tube 14; Pressure-producing part is provided with force (forcing) pump 11, and this force (forcing) pump 11 is communicated with described fluid injection chamber 4 by a dry tracheae 16, is provided with Pressure gauge 17 on this drying tracheae 16.
Also be provided with on the above-mentioned fluid injection chamber 4 and be equipped with balance pipe 22, also have a valve 23 on this balance pipe 22.The effect of this balance pipe 22 mainly be for the battery vacuum or (with) behind the pressurized liquid injection, by opening valve balance fluid injection chambers 23 and extraneous pressure.If the utility model is used in the laboratory, the volume new owing to this practicality is little, can be used on (moisture is less than 10ppm) in glove box or the drying box 22 direct and interior gas connections of glove box of balance pipe.
In addition, please refer to Fig. 4, the bottom of above-mentioned battery tray 2 is provided with double-screw bolt 18, be formed with perforation on the described base plate 21, be arranged with spring 13 on this double-screw bolt 18, and this double-screw bolt 18 passes this perforation makes this spring 13 be folded between described battery tray 2 and the described base plate 21 with prestoring certain elastic potential energy, and in these double-screw bolt 18 ends by nut check, thereby but make this battery tray 2 shuttle back and forth up and down with respect to base plate 21 elasticity.
The course of work was as follows when present embodiment adopted pressurized liquid injection:
At first open the valve 23 on the balance pipe 22, upper end by feed tube 5 adds an amount of electrolyte, electrolyte enters fluid injection tube 6, close the valve 23 on the balance pipe 22, start the force (forcing) pump 11 of pressure-producing part, dry gas or the inert gas of moisture below 10ppm are injected in inner chamber 12 pressurizations of fluid injection chamber 4, because the interception of unidirectional valve 20, inert gas promptly pressurizes to electrolyte, makes electrolyte successfully inject battery by liquid injecting mouth 7.
The course of work was as follows when present embodiment adopted the vacuum fluid injection:
At first open the valve 23 on the balance pipe 22, upper end by feed tube 5 adds an amount of electrolyte, electrolyte enters fluid injection tube 6, close the valve 23 on the balance pipe 22, start the vacuum pump 10 of vacuumizing part, the inner chamber 12 of fluid injection chamber 4 is vacuumized, because the interception of ball valve 19, air in the battery is promptly taken away the formation vacuum environment, can make that afterwards electrolyte successfully injects battery by liquid injecting mouth 7.
Certainly, the utility model also can make pressure-producing part and vacuumizing part be used to carry out fluid injection, promptly open the valve 23 on the balance pipe 22 earlier, upper end by feed tube 5 adds an amount of electrolyte, electrolyte enters fluid injection tube 6, close the valve 23 on the balance pipe 22, start the vacuum pump 10 of vacuumizing part, inner chamber 12 to fluid injection chamber 4 vacuumizes, because the interception of ball valve 19, air in the battery is promptly taken away the formation vacuum environment, stops afterwards vacuumizing, and starts the force (forcing) pump 11 of pressure-producing part, dry gas or the inert gas of moisture below 10ppm are injected in inner chamber 12 pressurizations to fluid injection chamber 4, because the interception of unidirectional valve 20, inert gas promptly pressurizes to electrolyte, makes electrolyte successfully inject battery by liquid injecting mouth 7.
Test correction data explanation the utility model with the battery of 463446 concrete models below:
Embodiment 1Get the fluid injection mode of operation that 100 batteries only vacuumize with the fluid injection machine according to a kind of novel battery described in the utility model, when wherein vacuumizing, vacuum degree is directly opened balanced valve at 0.08mPa after vacuumizing.Average reservoir quantity of battery and required time see Table 1, and the reservoir quantity distribution situation is seen Fig. 5;
Embodiment 2Get 100 and embodiment 1 and carry out fluid injection according to the step of embodiment 1 with series-produced battery of the same type, different is to battery not being vacuumized after adding electrolyte, directly battery is led to dry gas/argon gas pressurized liquid injection, pressure is at 0.02mPa, average reservoir quantity of battery and required time see Table 1, and the reservoir quantity distribution situation is seen Fig. 5;
Embodiment 3Get 100 and embodiment 1 and carry out fluid injection according to the step of embodiment 1 with series-produced battery of the same type, different is battery to be vacuumized back (vacuum degree is at 0.08mPa), logical dry gas/argon gas pressurized liquid injection in the fluid injection chamber, pressure is 0.02mPa, i.e. its operating process is adopted and not only vacuumized but also pressing mode.Average reservoir quantity of battery and required time see Table 1, and the reservoir quantity distribution situation is seen Fig. 5;
Comparative exampleGet 100 and embodiment 1 with series-produced battery of the same type, the fluid injection machine by the workshop on production line carries out the vacuum fluid injection, and vacuum degree is 0.08mPa, and average reservoir quantity of battery and required time the results are shown in Table 1, and the reservoir quantity distribution situation is seen Fig. 5.
Table 1
| Average reservoir quantity/g | Fluid injection required time/ | |
| Embodiment | ||
| 1 | 2.747 | 9.85 |
| |
2.770 | 10.09 |
| |
2.839 | 10.20 |
| Comparative example | 2.655 | 9.87 |
Claims (10)
1. novel battery fluid injection machine, be provided with base, above this base, battery tray is installed by a base plate, it is characterized in that: above this battery tray, be fixed with the fluid injection chamber of a sealing on this base plate by a support, the close feed tube that is provided with in this fluid injection chamber, this feed tube is communicated with the inner chamber feud of this fluid injection chamber; Be provided with at least one fluid injection tube below this fluid injection chamber, an end of this fluid injection tube is communicated with the bore seal of this fluid injection chamber, and the other end is provided with can be for inserting the liquid injecting mouth that is positioned at the battery on the described battery tray; On this fluid injection chamber, also be provided with vacuumizing part that the inner chamber of fluid injection chamber can be vacuumized and the pressure-producing part that can pressurize to the inner chamber of fluid injection chamber.
2. a kind of novel battery fluid injection machine as claimed in claim 1, it is characterized in that: described vacuumizing part is provided with vacuum pump, and the air entry of this vacuum pump is communicated with described fluid injection chamber by a vacuum tube, is provided with vacuum meter on this vacuum tube.
3. a kind of novel battery fluid injection machine as claimed in claim 1, it is characterized in that: described pressure-producing part is provided with force (forcing) pump, and the gas outlet of this force (forcing) pump is communicated with described fluid injection chamber by a dry tracheae, is provided with Pressure gauge on this drying tracheae.
4. a kind of novel battery fluid injection machine as claimed in claim 1, it is characterized in that: the number of described feed tube is identical with the number of described fluid injection tube, these feed tubes are arranged on the top of described fluid injection chamber, and relative one by one with the position of the fluid injection tube that is arranged on below, fluid injection chamber.
5. a kind of novel battery fluid injection machine as claimed in claim 1 is characterized in that: described fluid injection tube is arranged with the protective sleeve that is used for protecting described liquid injecting mouth at the end near battery tray.
6. a kind of novel battery fluid injection machine as claimed in claim 5 is characterized in that: described protective sleeve is provided with the elasticity spacer ring in the end around liquid injecting mouth.
7. a kind of novel battery fluid injection machine as claimed in claim 1 is characterized in that: be provided with ball valve in the described feed tube.
8. a kind of novel battery fluid injection machine as claimed in claim 7, it is characterized in that: described feed tube is provided with unidirectional valve below described ball valve.
9. a kind of novel battery fluid injection machine as claimed in claim 1, it is characterized in that: the bottom of described battery tray is provided with double-screw bolt, be formed with perforation on the described base plate, be arranged with spring on this double-screw bolt, and this double-screw bolt passes this perforation makes this spring be folded between described battery tray and the described base plate with prestoring certain elastic potential energy, and in this stud end by nut check.
10. a kind of novel battery fluid injection machine as claimed in claim 1 is characterized in that: described fluid injection also is provided with balance pipe on the chamber, also has a valve on this balance pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620145371XU CN200997414Y (en) | 2006-12-28 | 2006-12-28 | Liquid filler for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620145371XU CN200997414Y (en) | 2006-12-28 | 2006-12-28 | Liquid filler for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200997414Y true CN200997414Y (en) | 2007-12-26 |
Family
ID=38995850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620145371XU Expired - Fee Related CN200997414Y (en) | 2006-12-28 | 2006-12-28 | Liquid filler for battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200997414Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882674A (en) * | 2010-05-05 | 2010-11-10 | 浙江天能能源科技有限公司 | Lithium battery priming device and technology thereof |
| CN102420308A (en) * | 2011-12-02 | 2012-04-18 | 苏州冠硕新能源有限公司 | Partition plate and needle cylinder assembly for electrolyte injection equipment |
| CN102569717A (en) * | 2011-12-02 | 2012-07-11 | 苏州冠硕新能源有限公司 | Electrolyte filling equipment and using method thereof |
| CN103490036A (en) * | 2013-09-28 | 2014-01-01 | 山东润峰集团新能源科技有限公司 | Positive-suction type lithium ion battery liquid injection box |
| CN104867704A (en) * | 2015-05-26 | 2015-08-26 | 铜陵同飞科技有限公司 | Super capacitor vacuum dipping method and device |
| CN106571442A (en) * | 2016-11-02 | 2017-04-19 | 天津市捷威动力工业有限公司 | Liquid injection device and liquid injection method of polymer lithium battery electrolyte |
| CN106654142A (en) * | 2016-12-16 | 2017-05-10 | 宁德时代新能源科技股份有限公司 | Liquid injection device |
| CN107611334A (en) * | 2017-10-07 | 2018-01-19 | 深圳市嘉泰新能源装备有限公司 | A kind of vacuum electrolyte filling device |
| CN112599940A (en) * | 2020-12-15 | 2021-04-02 | 南京国轩电池有限公司 | Liquid injection method for solving problem of sinking of square aluminum shell battery shell |
-
2006
- 2006-12-28 CN CNU200620145371XU patent/CN200997414Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882674A (en) * | 2010-05-05 | 2010-11-10 | 浙江天能能源科技有限公司 | Lithium battery priming device and technology thereof |
| CN101882674B (en) * | 2010-05-05 | 2012-09-19 | 浙江天能能源科技有限公司 | Lithium battery priming device and technology thereof |
| CN102420308A (en) * | 2011-12-02 | 2012-04-18 | 苏州冠硕新能源有限公司 | Partition plate and needle cylinder assembly for electrolyte injection equipment |
| CN102569717A (en) * | 2011-12-02 | 2012-07-11 | 苏州冠硕新能源有限公司 | Electrolyte filling equipment and using method thereof |
| CN103490036B (en) * | 2013-09-28 | 2015-11-18 | 山东润峰集团新能源科技有限公司 | Positive-suction type lithium ion battery liquid injection box |
| CN103490036A (en) * | 2013-09-28 | 2014-01-01 | 山东润峰集团新能源科技有限公司 | Positive-suction type lithium ion battery liquid injection box |
| CN104867704A (en) * | 2015-05-26 | 2015-08-26 | 铜陵同飞科技有限公司 | Super capacitor vacuum dipping method and device |
| CN104867704B (en) * | 2015-05-26 | 2017-07-25 | 铜陵同飞科技有限公司 | A kind of ultracapacitor vacuum infusion techniques and device |
| CN106571442A (en) * | 2016-11-02 | 2017-04-19 | 天津市捷威动力工业有限公司 | Liquid injection device and liquid injection method of polymer lithium battery electrolyte |
| CN106654142A (en) * | 2016-12-16 | 2017-05-10 | 宁德时代新能源科技股份有限公司 | Liquid injection device |
| CN106654142B (en) * | 2016-12-16 | 2022-09-23 | 宁德时代新能源科技股份有限公司 | Liquid injection device |
| CN107611334A (en) * | 2017-10-07 | 2018-01-19 | 深圳市嘉泰新能源装备有限公司 | A kind of vacuum electrolyte filling device |
| CN112599940A (en) * | 2020-12-15 | 2021-04-02 | 南京国轩电池有限公司 | Liquid injection method for solving problem of sinking of square aluminum shell battery shell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200997414Y (en) | Liquid filler for battery | |
| CN202758966U (en) | Electrolyte injection device for injecting electrolyte to battery | |
| CN105206788A (en) | Simple and easy efficient trace annotates liquid equipment | |
| CN102569717A (en) | Electrolyte filling equipment and using method thereof | |
| CN103490036B (en) | Positive-suction type lithium ion battery liquid injection box | |
| CN205297882U (en) | Helium diaphragm compressor structure of tertiary compression of big discharge capacity | |
| CN109755437B (en) | Explosion-proof structure of battery and explosion-proof cover plate of battery applying explosion-proof structure of battery | |
| CN101290982B (en) | Liquid sucking device of alkaline cell | |
| CN209169286U (en) | Isobaric liquid injection system | |
| CN202721223U (en) | Measuring cylinder type automatic electrolyte injection device | |
| CN206250276U (en) | A kind of lithium battery filling machine electrolyte recycling device | |
| CN104821388A (en) | High-precision lead-acid battery acid and liquid supplementing device | |
| CN206098535U (en) | Aluminum hull lithium ion battery vacuum ration priming device | |
| CN204088452U (en) | A kind of directly vacuum liquid filling system | |
| CN105514341A (en) | Automatic acid filling device for high-performance storage battery | |
| CN202372318U (en) | Simple helium pressure device | |
| CN204167401U (en) | Electrolytic solution priming device | |
| CN114017660A (en) | Controllable oiling device | |
| CN203587444U (en) | Hydrostatic testing machine | |
| CN102420308A (en) | Partition plate and needle cylinder assembly for electrolyte injection equipment | |
| CN208912438U (en) | Battery Gum injecting tool and glue filling device | |
| CN220774689U (en) | Liquid injector for lithium ion battery | |
| CN201215818Y (en) | Liquid suction apparatus for alkaline cell | |
| CN203351690U (en) | Colloid lead-acid storage battery inner formation vacuumizing device | |
| CN206546853U (en) | The vacuum liquid filling mechanism of soft package lithium battery filling machine |
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: 20071226 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |