CN107394105A - Battery liquid-filling device and method - Google Patents
Battery liquid-filling device and method Download PDFInfo
- Publication number
- CN107394105A CN107394105A CN201710595381.6A CN201710595381A CN107394105A CN 107394105 A CN107394105 A CN 107394105A CN 201710595381 A CN201710595381 A CN 201710595381A CN 107394105 A CN107394105 A CN 107394105A
- Authority
- CN
- China
- Prior art keywords
- fluid injection
- outer bar
- battery
- electrolyte
- cup
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 205
- 239000007924 injection Substances 0.000 claims abstract description 205
- 239000012530 fluid Substances 0.000 claims abstract description 130
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000003792 electrolyte Substances 0.000 claims description 77
- 239000007789 gas Substances 0.000 claims description 23
- 238000005086 pumping Methods 0.000 claims description 14
- 230000000994 depressogenic effect Effects 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000005429 filling process Methods 0.000 abstract description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 24
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 11
- 229910052744 lithium Inorganic materials 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000023402 cell communication Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The present invention relates to a kind of battery liquid-filling device and method, including the fluid injection cup with sealing inner chamber, it is characterized in that：The first stomata and the first liquid injection hole are set on the fluid injection cup, the valve rod assembly that can be lifted is set in fluid injection cup, valve rod assembly includes outer bar and interior bar, and outer bar is hollow structure, and interior bar is arranged in the hollow cavity of outer bar；The second liquid injection hole being connected with the liquid injection port of battery is set in the bottom of the fluid injection cup, and outer bar lower end is coordinated by seal and the second liquid injection hole, and the upper end of outer bar is provided with the second stomata for being used for vacuumizing or inflate；Gap be present between the outer bar and interior bar, shoulder is set in the inner chamber of outer bar, and the lower end of interior bar at seal and shoulder by coordinating, and interior bar can lift with respect to outer bar, to block the hollow cavity of outer bar.The present invention avoids the vacuum state in battery from being influenceed by fluid injection cup inner chamber, and can effectively improve the efficiency of battery liquid-filling process.
Description
Technical field
The present invention relates to a kind of battery liquid-filling device and method, especially a kind of fluid injection cup for lithium battery filling machine,
Belong to automatic battery equipment technical field.
Background technology
, it is necessary to carry out fluid injection processing to lithium battery in the production process of lithium battery, electrolyte is injected to lithium battery interior.It is existing
Have in technology, need to vacuumize lithium battery before lithium battery carries out fluid injection, with avoid electrolyte when injecting battery it is former
Some gas can not discharge the risk brought to the security of lithium battery.Current priming device usually first uses vacuum means
Put and lithium battery is vacuumized, electrolyte is injected into fluid injection cup from filling head after vacuumizing and terminating, is injected in fluid injection cup
Filling head is closed after a certain amount of electrolyte, then by the electrolyte injection lithium battery in fluid injection cup.Existed using this form
Following defect：It is longer to vacuumize and note the process elapsed time of electrolyte, influences the production efficiency of lithium battery injection process.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of battery liquid-filling device, avoids battery
Interior vacuum state is influenceed by fluid injection cup inner chamber, and can effectively improve the efficiency of battery liquid-filling process.
The present invention also provides a kind of battery electrolyte injection method, the vacuum pumping of battery and the vacuum pumping of fluid injection cup inner chamber
It is separated from each other, ensures the vacuum state in battery, and can effectively lift the efficiency of fluid injection.
According to technical scheme provided by the invention, the battery liquid-filling device, including the fluid injection cup with sealing inner chamber, its
It is characterized in：First stomata and the first liquid injection hole are set on the fluid injection cup, and the first stomata is used to carry out the inner chamber of fluid injection cup
Pumping or inflation, the first liquid injection hole are used to inject electrolyte into fluid injection cup；
The valve rod assembly that can be lifted is set in the fluid injection cup, and valve rod assembly includes outer bar and interior bar, and outer bar is hollow knot
Structure, interior bar are arranged in the hollow cavity of outer bar；The to be connected with the liquid injection port of battery is set in the bottom of the fluid injection cup
Two liquid injection holes, outer bar lower end are coordinated by seal and the second liquid injection hole, and the upper end of outer bar, which is provided with, is used for what is vacuumized or inflate
Second stomata；Gap be present between the outer bar and interior bar, shoulder is set in the inner chamber of outer bar, the lower end of interior bar passes through sealing
Part at shoulder with coordinating, and interior bar can lift with respect to outer bar, to block the hollow cavity of outer bar.
Further, being set on the outside of first liquid injection hole can lift to block the blocked shot of the first liquid injection hole.
Further, it is arranged in the top fixed mounting of the fluid injection cup, valve rod assembly in mounting seat.
Further, guide sleeve is set in the mounting seat, and valve rod assembly is slidably matched with guide sleeve.
Further, seal is set between the valve rod assembly and mounting seat and between mounting seat and fluid injection cup.
Further, liquid injecting mouth is set in the bottom of the fluid injection cup, the liquid injection hole of liquid injecting mouth connect the second liquid injection hole and
The liquid injection port of battery.
Further, it is provided with seal between the fluid injection cup and liquid injecting mouth.
In a detailed embodiment, the battery electrolyte injection method, it is characterized in that, comprise the following steps：
（1）The outer bar bore passages of valve rod assembly are in open mode, and outer bar is pushed down second liquid injection hole in fluid injection bottom of a cup portion, passed through
The inner chamber of outer bar is to battery vacuum-pumping；At the same time, the inner chamber of fluid injection cup is vacuumized, it is backward that the inner chamber of fluid injection cup exhausts vacuum
A certain amount of electrolyte of injection in fluid injection cup；
（2）Treat that battery is exhausted in vacuum and fluid injection cup after electrolyte injection, the inner chamber of the interior rod seal outer bar of valve rod assembly
Passage, outer bar, which rises, makes fluid injection cup inner chamber be connected with the second liquid injection hole, makes in electrolyte injection battery；
（3）When the electrolyte in fluid injection cup will have been noted, interior bar opens the bore passages of outer bar, is filled into the inner chamber of outer bar lazy
Property gas, by outer bar inner chamber electrolyte blow out；Now, pressed gas is led to above fluid injection cup electrolyte inside, by fluid injection cup
Electrolyte be depressed into battery, complete fluid injection.
Further, in the step（2）During electrolyte injection battery, filled in fluid injection cup above electrolyte
Enter pressed gas, extract the cyclic process of pressed gas, charged pressure gas.
Further, the step（3）When electrolyte in middle fluid injection cup will have been noted, specially electrolyte hydraulic surface is low
In the lower end of outer bar.
In a detailed embodiment, the battery electrolyte injection method, it is characterized in that, comprise the following steps：
（1）The outer bar bore passages of valve rod assembly are in open mode, and outer bar opens second liquid injection hole in fluid injection bottom of a cup portion；Simultaneously
The inner chamber and battery of fluid injection cup are vacuumized, after the vacuum of fluid injection cup inner chamber reaches sets requirement, outer bar pushes down note
Second liquid injection hole in liquid bottom of a cup portion, continues to vacuumize battery, while a certain amount of electrolyte is injected into fluid injection cup；
（2）Treat that battery is exhausted in vacuum and fluid injection cup after electrolyte injection, the inner chamber of the interior rod seal outer bar of valve rod assembly
Passage, outer bar, which rises, makes fluid injection cup inner chamber be connected with the second liquid injection hole, makes in electrolyte injection battery；
（3）When the electrolyte in fluid injection cup will have been noted, interior bar opens the bore passages of outer bar, is filled into the inner chamber of outer bar lazy
Property gas, by outer bar inner chamber electrolyte blow out；Now, pressed gas is led to above fluid injection cup electrolyte inside, by fluid injection cup
Electrolyte be depressed into battery, complete fluid injection.
The present invention has advantages below：
（1）Battery and fluid injection cup are realized separation, non-interference, energy by battery liquid-filling device of the present invention by interior bar and outer bar
Enough ensure the vacuum state of battery；Meanwhile, it is capable to improve the efficiency of fluid injection；
（2）Battery electrolyte injection method of the present invention, vacuumized simultaneously using fluid injection cup and battery, fluid injection cup is completed after vacuumizing i.e.
Electrolyte is injected into fluid injection cup, production efficiency can be effectively improved；In addition, the vacuum state before electrolyte is noted in battery
Do not influenceed by fluid injection cup inner chamber, the injection of electrolyte can be accelerated when so injecting electrolyte afterwards；
（3）The present invention has charged pressure gas above electrolyte in fluid injection cup, extracts pressed gas, fills in injection process
Enter the cyclic process of pressed gas, it is possible to increase fluid injection efficiency and quality；
（4）The present invention blows out the electrolyte in outer bar inner chamber when fluid injection will be most, and it is incomplete to avoid fluid injection, ensure that
The quality of fluid injection.
Brief description of the drawings
Fig. 1 is the sectional view of battery liquid-filling device of the present invention.
Description of reference numerals：1- fluid injections cup, 2- liquid injecting mouths, 3- guide sleeves, 4- outer bars, 5- interior bars, 6- mounting seats, 7- pressures
Set, the stomatas of 8- first, the liquid injection holes of 9- first, 10- blocked shots, the stomatas of 11- second, the liquid injection holes of 12- second.
Embodiment
With reference to specific accompanying drawing, the invention will be further described.
As shown in figure 1, battery liquid-filling device of the present invention includes fluid injection cup 1, the bottom of fluid injection cup 1 sets liquid injecting mouth 2,
The liquid injection hole and battery of liquid injecting mouth 2（Such as lithium battery）Liquid injection port connection；Set respectively at left and right sides of the top of the fluid injection cup 1
The first stomata 8 and the first liquid injection hole 9 are put, the first stomata 8 is used to the inner chamber of fluid injection cup 1 is evacuated or inflated, the first note
Fluid apertures 9 is used to inject electrolyte into fluid injection cup 1, and being set in the outside of the first liquid injection hole 9 can lift to block the first liquid injection hole 9
Blocked shot 10；Mounting seat 6 is set on the top of the fluid injection cup 1, sets gland 7 to be fixed in mounting seat 6, in mounting seat 6
Valve rod assembly is inside provided with, the valve rod assembly includes outer bar 4 and interior bar 5, between outer bar 4 and the mounting seat 6 on the top of fluid injection cup 1
Sealed by seal, guide sleeve 3 is set in mounting seat 6, outer bar 4 is slidably matched with guide sleeve 3；The outer bar 4 is hollow knot
Structure, interior bar 5 are arranged in the hollow cavity of outer bar 4, and interior bar 5 can slide up and down setting in the inner chamber of outer bar 4；Institute
The bottom for stating fluid injection cup 1 sets the second liquid injection hole 12 being connected with the liquid injection hole of liquid injecting mouth 2, and the lower end of outer bar 4 passes through seal
Coordinate with the second liquid injection hole 12, the upper end of outer bar 4 is provided with the second stomata 11, and the second stomata 11 is used in battery and outer bar 4
Chamber is vacuumized；Gap coordinates between the inwall of the outer bar 4 and the outer wall of interior bar 5, true to taking out for battery to avoid influenceing
Sky work；There is shoulder in the middle part of the inner chamber of the outer bar 4, the lower end of interior bar 5 at seal and shoulder by coordinating, interior bar 5
It can be lifted with respect to outer bar 4, to block the inner chamber of outer bar 4.
In order to ensure the seal of the inner chamber of fluid injection cup 1, between outer bar 4 and mounting seat 6, between outer bar 4 and gland 7, pressure
Seal, such as sealing ring are provided between set 7 and mounting seat 6 and between fluid injection cup 1 and liquid injecting mouth 2.
The workflow of battery liquid-filling device of the present invention：First, interior bar 5 is moved up the bore passages of outer bar 4
Open, outer bar 4 pushes down the second liquid injection hole 12 of the bottom of fluid injection cup 1, and the cavity of outer bar 4 is vacuumized by the second stomata 11 and outside
Equipment and cell communication, for the air in battery to be extracted out；At the same time, the inner chamber of fluid injection cup 1 by the first stomata 8 with
Vaccum-pumping equipment is connected, and extracts the air of the inner chamber of fluid injection cup 1, after exhausting vacuum, the first stomata 8 is closed, and the first liquid injection hole 9 is beaten
Open and and pump liquid（Constant displacement pump）System connectivity, a certain amount of electrolyte is injected（Suction）In the inner chamber of fluid injection cup 1, then first
The blocked shot 10 of the upside of liquid injection hole 9 shuts the first liquid injection hole 9.The present invention vacuumizes simultaneously to fluid injection cup 1 and battery, notes
Liquid cup 1 is completed to inject electrolyte into fluid injection cup 1 after vacuumizing, and can effectively improve production efficiency；And taking out for battery is true
Do-nothing operation and the vacuum pumping of fluid injection cup inner chamber realize separation by interior bar and outer bar, non-interference, can ensure noting
Vacuum state before electrolyte in battery is not influenceed by fluid injection cup inner chamber, can be added when so injecting electrolyte afterwards
The injection of fast electrolyte.
Afterwards, interior bar 5 is pushed down at the shoulder of the inner chamber of outer bar 4, to close the bore passages of outer bar 4, to avoid electrolyte up
Into in vacuum-pumping pipeline, outer bar 4 rises so that the second liquid injection hole 12 of the downside of the inner chamber of fluid injection cup 1 and fluid injection cup 1 connects, and
Lead to pressed gas at first stomata 8（About 0.2 ~ 0.4MPa, typically using nitrogen）, now, electrolyte is under pressed gas effect
It is depressed into battery；In injection process, had in order to improve fluid injection efficiency and quality, in fluid injection cup 1 above electrolyte and be filled with pressure
Strength body, the cyclic process for extracting pressed gas, charged pressure gas（The cyclic process is realized by the first stomata 8）；It is to be electrolysed
Liquid is pressed and sucked into battery, when fluid injection will be to the greatest extent（When being specifically less than the lower end of outer bar 4 such as liquid level of electrolyte）, interior bar 5
Rise, from the second stomata 11 into the inner chamber of outer bar 4 inflated with nitrogen（Inert gas）, the electrolyte in the inner chamber of outer bar 4 is blown out, this
When, pressed gas is also led to above the electrolyte inside of fluid injection cup 1, the electrolyte in fluid injection cup is depressed into battery.
As an alternative embodiment of the invention, the course of work of battery liquid-filling device of the present invention is：First, first
Stomata 8 is opened, and at the same time, interior bar 5 is moved up the bore passages opening of outer bar 4, and outer bar 4, which moves up, opens fluid injection cup
Second liquid injection hole 12 of 1 bottom, the first stomata 8 connect with the first vaccum-pumping equipment, and the cavity of outer bar 4 passes through the He of the second stomata 11
Second vaccum-pumping equipment connects, and the first vaccum-pumping equipment and the second vaccum-pumping equipment are simultaneously to fluid injection cup cavity and battery core（Battery）
Vacuumized；After vacuum reaches requirement in fluid injection cup cavity, outer bar 4, which declines, pushes down the second liquid injection hole 12, by second
Vacuum equipment continues to battery core（Battery）Vacuumized, it essentially consists in holding battery core（Battery）In vacuum, it is same with this
When, the first stomata 8 is closed, the first liquid injection hole 9 is opened, a certain amount of electrolyte is injected（Suction）In the inner chamber of fluid injection cup 1；Note
After liquid, the blocked shot 10 of the upside of the first liquid injection hole 9 shuts the first liquid injection hole 9, and outer bar 4 is lifted, while interior bar 5 closes outer bar
4 inner chamber, fluid injection cup is to battery core（Battery）Carry out fluid injection；In injection process, carry out being filled with pressure above electrolyte in fluid injection cup 1
Strength body, the cyclic process for extracting pressed gas, charged pressure gas（The cyclic process is realized by the first stomata 8）；It is to be electrolysed
Liquid is pressed and sucked into battery, when fluid injection will be to the greatest extent（When being specifically less than the lower end of outer bar 4 such as liquid level of electrolyte）, interior bar 5
Rise, from the second stomata 11 into the inner chamber of outer bar 4 inflated with nitrogen（Inert gas）, the electrolyte in the inner chamber of outer bar 4 is blown out, this
When, pressed gas is also led to above the electrolyte inside of fluid injection cup 1, the electrolyte in fluid injection cup is depressed into battery.The present embodiment is adopted
Battery and fluid injection cup cavity are vacuumized simultaneously with the first vaccum-pumping equipment and the second vaccum-pumping equipment, the efficiency vacuumized
It is improved.
Claims (10)
1. a kind of battery liquid-filling device, including the fluid injection cup with sealing inner chamber（1）, it is characterized in that：In the fluid injection cup（1）On
First stomata is set（8）With the first liquid injection hole（9）, the first stomata（8）For to fluid injection cup（1）Inner chamber be evacuated or filled
Gas, the first liquid injection hole（9）For to fluid injection cup（1）Interior injection electrolyte；
In the fluid injection cup（1）The valve rod assembly that middle setting can lift, valve rod assembly include outer bar（4）And interior bar（5）, outer bar
（4）For hollow structure, interior bar（5）It is arranged on outer bar（4）Hollow cavity in；In the fluid injection cup（1）Bottom set with electricity
The second liquid injection hole that the liquid injection port in pond is connected（12）, outer bar（4）Lower end passes through seal and the second liquid injection hole（12）Coordinate, outside
Bar（4）Upper end be provided with and be used for the second stomata for vacuumizing or inflating（11）；The outer bar（4）And interior bar（5）Between exist between
Gap, in outer bar（4）Inner chamber in shoulder, interior bar are set（5）Lower end pass through and coordinate at seal and shoulder, interior bar（5）Can
With respect to outer bar（4）Lifting, to block outer bar（4）Hollow cavity.
2. battery liquid-filling device as claimed in claim 1, it is characterized in that：In first liquid injection hole（9）Outside is set can
Lift to block the first liquid injection hole（9）Blocked shot（10）.
3. battery liquid-filling device as claimed in claim 1 or 2, it is characterized in that：In the fluid injection cup（1）Top be fixedly mounted
Seat（6）, valve rod assembly is arranged on mounting seat（6）In.
4. battery liquid-filling device as claimed in claim 3, it is characterized in that：In the mounting seat（6）Middle setting guide sleeve（3）,
Valve rod assembly and guide sleeve（3）It is slidably matched.
5. battery liquid-filling device as claimed in claim 3, it is characterized in that：The valve rod assembly and mounting seat（6）Between and
Mounting seat（6）With fluid injection cup（1）Between seal is set.
6. battery liquid-filling device as claimed in claim 1 or 2, it is characterized in that：In the fluid injection cup（1）Bottom set fluid injection
Mouth（2）, liquid injecting mouth（2）Liquid injection hole connect the second liquid injection hole（12）With the liquid injection port of battery.
7. a kind of battery electrolyte injection method, it is characterized in that, comprise the following steps：
（1）The outer bar of valve rod assembly（4）Bore passages are in open mode, outer bar（4）Push down fluid injection cup（1）Second note of bottom
Fluid apertures（12）, pass through outer bar（4）Inner chamber to battery vacuum-pumping；At the same time, to fluid injection cup（1）Inner chamber vacuumize, fluid injection
Cup（1）Inner chamber exhaust after vacuum to fluid injection cup（1）Interior a certain amount of electrolyte of injection；
（2）Treat that battery exhausts vacuum and fluid injection cup（1）After middle electrolyte injection, the interior bar of valve rod assembly（5）Close outer bar
（4）Bore passages, outer bar（4）Rise makes fluid injection cup（1）Inner chamber and the second liquid injection hole（12）Connection, electrolyte is set to inject battery
In；
（3）When fluid injection cup（1）In electrolyte when will note, interior bar（5）Open outer bar（4）Bore passages, to outer bar（4）
Inner chamber in filling with inert gas, by outer bar（4）Electrolyte blowout in inner chamber；Now, fluid injection cup（1）Lead to pressure above electrolyte inside
Strength body, by fluid injection cup（1）Interior electrolyte is depressed into battery, completes fluid injection.
8. battery electrolyte injection method as claimed in claim 7, it is characterized in that：In the step（2）Electrolyte injects the mistake of battery
Cheng Zhong, fluid injection cup（1）Carry out above middle electrolyte charged pressure gas, extract pressed gas, charged pressure gas is circulated throughout
Journey.
9. battery electrolyte injection method as claimed in claim 7, it is characterized in that：The step（3）Middle fluid injection cup（1）In electrolyte
When will note, specially electrolyte hydraulic surface is less than outer bar（4）Lower end.
10. a kind of battery electrolyte injection method, it is characterized in that, comprise the following steps：
（1）The outer bar of valve rod assembly（4）Bore passages are in open mode, outer bar（4）Open fluid injection cup（1）Second note of bottom
Fluid apertures（12）；Simultaneously to fluid injection cup（1）Inner chamber and battery vacuumized, when fluid injection cup（1）The vacuum of inner chamber, which reaches, to be set
After provisioning request, outer bar（4）Push down fluid injection cup（1）Second liquid injection hole of bottom（12）, continue to vacuumize battery, while to
Fluid injection cup（1）Interior a certain amount of electrolyte of injection；
（2）Treat that battery exhausts vacuum and fluid injection cup（1）After middle electrolyte injection, the interior bar of valve rod assembly（5）Close outer bar
（4）Bore passages, outer bar（4）Rise makes fluid injection cup（1）Inner chamber and the second liquid injection hole（12）Connection, electrolyte is set to inject battery
In；
（3）When fluid injection cup（1）In electrolyte when will note, interior bar（5）Open outer bar（4）Bore passages, to outer bar（4）
Inner chamber in filling with inert gas, by outer bar（4）Electrolyte blowout in inner chamber；Now, fluid injection cup（1）Lead to pressure above electrolyte inside
Strength body, by fluid injection cup（1）Interior electrolyte is depressed into battery, completes fluid injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595381.6A CN107394105A (en) | 2017-07-20 | 2017-07-20 | Battery liquid-filling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595381.6A CN107394105A (en) | 2017-07-20 | 2017-07-20 | Battery liquid-filling device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394105A true CN107394105A (en) | 2017-11-24 |
Family
ID=60336241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710595381.6A Pending CN107394105A (en) | 2017-07-20 | 2017-07-20 | Battery liquid-filling device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107394105A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109873110A (en) * | 2017-12-04 | 2019-06-11 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
| CN110212151A (en) * | 2019-07-17 | 2019-09-06 | 王乐炯 | A kind of quick charging method of battery electrolyte |
| CN111341995A (en) * | 2020-03-11 | 2020-06-26 | 湖南赛智科技有限公司 | Vacuum liquid injection control valve |
| CN111969174A (en) * | 2020-08-26 | 2020-11-20 | 合肥国轩高科动力能源有限公司 | Liquid injection needle |
| CN112928404A (en) * | 2021-04-02 | 2021-06-08 | 东莞市浪鲸智能自动化装备有限公司 | Lithium battery liquid injection device |
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| CN106601978A (en) * | 2016-12-16 | 2017-04-26 | 宁德时代新能源科技股份有限公司 | Liquid injection device |
| CN106784593A (en) * | 2017-02-15 | 2017-05-31 | 宁德时代新能源科技股份有限公司 | Liquid injection device |
| CN206976474U (en) * | 2017-07-20 | 2018-02-06 | 无锡先导智能装备股份有限公司 | Battery liquid-filling device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601978A (en) * | 2016-12-16 | 2017-04-26 | 宁德时代新能源科技股份有限公司 | Liquid injection device |
| CN106784593A (en) * | 2017-02-15 | 2017-05-31 | 宁德时代新能源科技股份有限公司 | Liquid injection device |
| CN206976474U (en) * | 2017-07-20 | 2018-02-06 | 无锡先导智能装备股份有限公司 | Battery liquid-filling device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109873110A (en) * | 2017-12-04 | 2019-06-11 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
| CN109873110B (en) * | 2017-12-04 | 2020-09-08 | 北京好风光储能技术有限公司 | Bipolar battery stack |
| CN110212151A (en) * | 2019-07-17 | 2019-09-06 | 王乐炯 | A kind of quick charging method of battery electrolyte |
| CN111341995A (en) * | 2020-03-11 | 2020-06-26 | 湖南赛智科技有限公司 | Vacuum liquid injection control valve |
| CN111341995B (en) * | 2020-03-11 | 2022-05-13 | 湖南赛智科技有限公司 | Vacuum liquid injection control valve |
| CN111969174A (en) * | 2020-08-26 | 2020-11-20 | 合肥国轩高科动力能源有限公司 | Liquid injection needle |
| CN112928404A (en) * | 2021-04-02 | 2021-06-08 | 东莞市浪鲸智能自动化装备有限公司 | Lithium battery liquid injection device |
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Application publication date: 20171124 |
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