CN206976474U - Battery liquid-filling device - Google Patents
Battery liquid-filling device Download PDFInfo
- Publication number
- CN206976474U CN206976474U CN201720883452.8U CN201720883452U CN206976474U CN 206976474 U CN206976474 U CN 206976474U CN 201720883452 U CN201720883452 U CN 201720883452U CN 206976474 U CN206976474 U CN 206976474U
- Authority
- CN
- China
- Prior art keywords
- liquid
- fluid injection
- outer bar
- battery
- bar
- 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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Classifications
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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
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
A kind of battery liquid-filling device, including the fluid injection cup with sealing inner chamber are the utility model is related to, 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 utility model 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
A kind of battery liquid-filling device, especially a kind of fluid injection cup for lithium battery filling machine are the utility model is related to, is belonged to
In 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 this utility model is to overcome the deficiencies in the prior art, there is provided a kind of battery liquid-filling device, is avoided
Vacuum state in battery is influenceed by fluid injection cup inner chamber, and can effectively improve the efficiency of battery liquid-filling process.
According to technical scheme provided by the utility model, the battery liquid-filling device, including the fluid injection with sealing inner chamber
Cup, it is characterized in that：First stomata and the first liquid injection hole are set on the fluid injection cup, and the first stomata is used for the inner chamber to fluid injection cup
It is evacuated or is inflated, the first liquid injection hole is 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, during outer bar is
Hollow structure, interior bar are arranged in the hollow cavity of outer bar；Set in the bottom of the fluid injection cup and be connected with the liquid injection port of battery
The second liquid injection hole, outer bar lower end coordinated by seal and the second liquid injection hole, and the upper end of outer bar, which is provided with, to be used to vacuumize or fill
Second stomata of gas；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
Seal 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.
The utility model has advantages below：Battery liquid-filling device described in the utility model is by interior bar and outer bar by battery
Realize and separate with fluid injection cup, it is non-interference, the vacuum state of battery can be ensured；Meanwhile, it is capable to improve the efficiency of fluid injection.
Brief description of the drawings
Fig. 1 is the sectional view of battery liquid-filling device described in the utility model.
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 utility model is described in further detail.
As shown in figure 1, battery liquid-filling device described in the utility model includes fluid injection cup 1, the bottom of fluid injection cup 1 sets fluid injection
Mouth 2, the liquid injection hole and battery of liquid injecting mouth 2（Such as lithium battery）Liquid injection port connection；Divide at left and right sides of the top of the fluid injection cup 1
First stomata 8 and the first liquid injection hole 9 are not set, the first stomata 8 is used to the inner chamber of fluid injection cup 1 is evacuated or inflated, the
One liquid injection hole 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 note
The blocked shot 10 of fluid apertures 9；Mounting seat 6 is set on the top of the fluid injection cup 1, sets gland 7 to be fixed in mounting seat 6, is pacifying
Valve rod assembly is provided with dress seat 6, the valve rod assembly includes outer bar 4 and interior bar 5, outer bar 4 and the mounting seat on the top of fluid injection cup 1
Sealed between 6 by seal, guide sleeve 3 is set in mounting seat 6, outer bar 4 is slidably matched with guide sleeve 3；During the outer bar 4 is
Hollow 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；
The second liquid injection hole 12 being connected with the liquid injection hole of liquid injecting mouth 2 is set in the bottom of the fluid injection cup 1, and the lower end of outer bar 4 passes through close
Sealing coordinates with the second liquid injection hole 12, and the upper end of outer bar 4 is provided with the second stomata 11, and the second stomata 11 is used for battery and outer bar 4
Inner chamber vacuumized；Gap coordinates between the inwall of the outer bar 4 and the outer wall of interior bar 5, to avoid influenceing to battery
Vacuumize work；There is shoulder in the middle part of the inner chamber of the outer bar 4, the lower end of interior bar 5 is interior by coordinating at seal and shoulder
Bar 5 can lift 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 described in the utility model：First, interior bar 5 is moved up the inner chamber of outer bar 4
Passage is opened, and 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 taken out by the second stomata 11 and outside
Vacuum 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 passes through the first gas
Hole 8 is connected with vaccum-pumping equipment, extracts the air of the inner chamber of fluid injection cup 1, after exhausting vacuum, the first stomata 8 is closed, the first fluid injection
Hole 9 is opened 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, so
The blocked shot 10 of the upside of the first liquid injection hole 9 shuts the first liquid injection hole 9 afterwards.The utility model enters simultaneously to fluid injection cup 1 and battery
Row vacuumizes, and fluid injection cup 1 is completed to inject electrolyte into fluid injection cup 1 after vacuumizing, and can effectively improve production efficiency；And
The vacuum pumping of battery and the vacuum pumping of fluid injection cup inner chamber realize separation, non-interference, energy by interior bar and outer bar
Enough ensure that the vacuum state before electrolyte is noted in battery is not influenceed by fluid injection cup inner chamber, so inject electrolyte afterwards
When can accelerate the injection of 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 another embodiment of the present utility model, the course of work of battery liquid-filling device described in the utility model is：
First, the first stomata 8 is opened, and at the same time, interior bar 5, which moves up, moves up the bore passages opening of outer bar 4, outer bar 4
The second liquid injection hole 12 of the bottom of fluid injection cup 1 is opened, the first stomata 8 connects with the first vaccum-pumping equipment, and the cavity of outer bar 4 passes through the
Two stomatas 11 connect with the second vaccum-pumping equipment, the first vaccum-pumping equipment and the second vaccum-pumping equipment 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, continued by the second vacuum equipment to battery core（Battery）Vacuumized, it essentially consists in holding battery core（Battery）In vacuum
Degree, at the same time, the first stomata 8 is closed, open the first liquid injection hole 9, a certain amount of electrolyte is injected（Suction）Fluid injection cup 1
In inner chamber；After fluid injection, 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
The inner chamber of 5 closing outer bars 4, fluid injection cup is to battery core（Battery）Carry out fluid injection；In injection process, in fluid injection cup 1 above electrolyte
Carry out charged pressure gas, extract the cyclic process of pressed gas, charged pressure gas（The cyclic process is real by the first stomata 8
It is existing）；Liquid to be electrolysed is pressed and sucked into battery, when fluid injection will be to the greatest extent（It is specific as liquid level of electrolyte less than the lower end of outer bar 4 when
Wait）, interior bar 5 rises, from the second stomata 11 into the inner chamber of outer bar 4 inflated with nitrogen（Inert gas）, by the electrolysis in the inner chamber of outer bar 4
Liquid is blown out, and now, 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.This
Embodiment is vacuumized to battery and fluid injection cup cavity simultaneously using the first vaccum-pumping equipment and the second vaccum-pumping equipment, is taken out true
Empty efficiency is improved.
Claims (6)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883452.8U CN206976474U (en) | 2017-07-20 | 2017-07-20 | Battery liquid-filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883452.8U CN206976474U (en) | 2017-07-20 | 2017-07-20 | Battery liquid-filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976474U true CN206976474U (en) | 2018-02-06 |
Family
ID=61403216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720883452.8U Expired - Fee Related CN206976474U (en) | 2017-07-20 | 2017-07-20 | Battery liquid-filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206976474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394105A (en) * | 2017-07-20 | 2017-11-24 | 无锡先导智能装备股份有限公司 | Battery liquid-filling device and method |
-
2017
- 2017-07-20 CN CN201720883452.8U patent/CN206976474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394105A (en) * | 2017-07-20 | 2017-11-24 | 无锡先导智能装备股份有限公司 | Battery liquid-filling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |