CN106450145A - Liquid injection device - Google Patents
Liquid injection device Download PDFInfo
- Publication number
- CN106450145A CN106450145A CN201611217634.8A CN201611217634A CN106450145A CN 106450145 A CN106450145 A CN 106450145A CN 201611217634 A CN201611217634 A CN 201611217634A CN 106450145 A CN106450145 A CN 106450145A
- Authority
- CN
- China
- Prior art keywords
- liquid
- cup
- piston rod
- priming device
- valve
- 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
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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
- H01M50/668—Means for preventing spilling of liquid or electrolyte, e.g. when the battery is tilted or turned over
-
- 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
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
-
- 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
Abstract
The utility model relates to the technical field of batteries, especially, relate to an injection device, this injection device includes flexible driving piece and annotates the liquid cup, it includes the cup to annotate the liquid cup, piston and piston rod, the piston sets up in the cup, and enclose into electrolyte with the bottom of cup and hold the chamber, the bottom of cup is provided with drawing liquid mouth and notes liquid mouth, drawing liquid mouth and notes liquid mouth all hold the chamber intercommunication with electrolyte, the one end and the piston fixed connection of piston rod, the other end and the flexible driving piece of piston rod are connected, flexible driving piece can drive piston rod and piston production and be close to the first stroke of the bottom of cup, and keep away from the second stroke of the bottom of cup. Among this technical scheme, through flexible driving piece drive piston rod and piston production be close to the first stroke of the bottom of cup and keep away from the second stroke of the bottom of cup to make priming device have the function of annotating liquid and drawing liquid, avoided the use of notes liquid pump, the effectual liquid precision of beating of guaranteeing priming device, thereby improved whole priming device's notes liquid precision.
Description
Technical field
The application is related to cell art, more particularly to a kind of priming device.
Background technology
With to battery performance requirements more and more higher, in order to avoid reservoir quantity impacts the performance of battery, need to improve
The fluid injection precision of priming device.
At present, the priming device of battery is frequently with topping-up pump by electrolyte pumping in fluid injection cup, then by fluid injection cup by its
Internal electrolyte is injected into the mode of battery and carries out fluid injection.But as topping-up pump itself can not be fully sealed, pump electrolyte
When can make in electrolyte, have gas bubbles left, and topping-up pump beat that liquid precision is poor, so as to the fluid injection of whole priming device can be affected
Precision, has influence on the charge-discharge performance of battery and the concordance of battery capacity, and the topping-up pump also has leakage risk,
The electrolyte of leakage can corrode priming device and pollution workshop condition.
Content of the invention
This application provides a kind of priming device, can solve the problem that above-mentioned technical problem.
This application provides a kind of priming device, which includes：Telescopic drive part and fluid injection cup, the fluid injection cup includes cup
Body, piston and piston rod,
The piston is arranged in the cup, and surrounds electrolyte accommodating chamber with the bottom of the cup,
The bottom of the cup is provided with liquid pumping hole and liquid injection port, the liquid pumping hole and the liquid injection port all with the electrolysis
Liquid accommodating chamber is connected,
One end of the piston rod is fixedly connected with the piston, the other end of the piston rod and the telescopic drive part
Connection, the telescopic drive part can drive the piston rod and the piston to produce the first row of the bottom near the cup
Journey, and the second stroke of the bottom away from the cup.
Preferably,
The telescopic drive part includes motor, and the motor shaft of the motor is flexibly connected with the piston rod,
The piston rod can produce first stroke and second stroke during the motor shaft is rotated.
Preferably,
The motor shaft is connected by helicitic texture with the piston rod.
Preferably, the helicitic texture includes lifters, and one end of the lifters is fixedly connected with the piston rod, institute
The other end for stating lifters is provided with sleeve, and the sleeve is enclosed within the outside of the motor shaft, and joins with the motor axle thread
Close.
Preferably, the end of the motor shaft is provided with stopper section, along in the projection that obtains of axis of the motor shaft,
The perspective plane of the motor shaft is located in the perspective plane of the stopper section.
Preferably, the telescopic drive part also includes guide, and the guide is be arranged in parallel with the motor shaft, and institute
State guide to be slidably connected with the lifters.
Preferably, also include：
First valve, at the liquid pumping hole, first valve is used for controlling unlatching and the pass of the liquid pumping hole
Close, and/or
Second valve, at the liquid injection port, second valve is used for opening or closing the liquid injection port.
Preferably, also include：
The liquid suction pipe being connected with the liquid pumping hole, is provided with described the near the position of the liquid pumping hole on the liquid suction pipe
One valve, and/or
The liquid injection pipe being connected with the liquid injection port, is provided with described the near the position of the liquid injection port on the liquid injection pipe
Two valves.
Preferably,
The liquid suction pipe is tightly connected by first seal with the liquid pumping hole, and/or
The liquid injection pipe is tightly connected by second seal with the liquid injection port.
Preferably, also include controller, the controller is connected with first valve and/or second valve, institute
Controller is stated for controlling the opening and closing of first valve and/or second valve.The technical side that the application is provided
Case can reach following beneficial effect：
Priming device provided herein, drives piston rod and piston to produce the bottom near cup by telescopic drive part
First stroke in portion and the second stroke of the bottom away from cup, can make the priming device have the function of fluid injection and drawing liquid,
Specifically, piston rod and piston is driven to produce the first stroke by telescopic drive part, that is to say, that to drive by telescopic drive part
Piston rod and piston are moved to the direction of the bottom near cup, and the electrolyte in cup can be injected into the inside of battery, are led to
Cross the actuator that stretches and drive the second stroke that piston rod and piston are produced, that is to say, that piston rod is driven by telescopic drive part
Move to the direction of the bottom away from cup with piston, the electrolyte in outside liquid storing barrel can be evacuated to electrolyte appearance from liquid pumping hole
Receive intracavity.This mode avoids the use of topping-up pump, and can effectively ensure that priming device beats liquid precision such that it is able to carry
The fluid injection precision of high whole priming device, the performance of raising battery, and also the leakage of electrolyte can be prevented effectively from, improve note
Liquid device safety in utilization, saves equipment cost.
It should be appreciated that above general description and detailed description hereinafter are only exemplary, this can not be limited
Application.
Description of the drawings
The assembling structure schematic diagram of the priming device that Fig. 1 is provided by the embodiment of the present application and outside liquid storing barrel；
Fig. 2 is the structural representation of the priming device shown in Fig. 1.
Reference：
1- priming device；
10- telescopic drive part；
100- motor；
100a- motor shaft；
100b- stopper section；
101- lifters；
101a- sleeve；
102- guide；
11- fluid injection cup；
110- cup；
110a- liquid pumping hole；
110b- liquid injection port；
111- piston rod；
The first valve of 12-；
The second valve of 13-；
14- liquid suction pipe；
15- liquid injection pipe；
The outside liquid storing barrel of 2-.
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement for meeting the application
Example, and be used for together with description explaining the principle of the application.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As depicted in figs. 1 and 2, the embodiment of the present application provides a kind of priming device 1, and which includes telescopic drive part 10 and note
Liquid cup 11, the fluid injection cup 11 includes cup 110, piston and piston rod 111, and piston is arranged in cup 110, and with cup 110
Bottom surround electrolyte accommodating chamber, the bottom of cup 110 is provided with liquid pumping hole 110a and liquid injection port 110b, liquid pumping hole 110a and
Liquid injection port 110b is all connected with electrolyte accommodating chamber, and one end of piston rod 111 is fixedly connected with the piston, piston rod 111 another
One end is connected with telescopic drive part 10, and telescopic drive part 10 can drive piston rod 111 and piston to produce the bottom near cup 110
First stroke in portion, and the second stroke of the bottom away from cup 110, so that work(of the priming device 1 with fluid injection and drawing liquid
Energy.
Specifically, piston rod 111 and piston is driven to produce the first stroke by telescopic drive part 10, that is to say, that to pass through
Telescopic drive part 10 drives piston rod 111 and piston to move to the direction of the bottom near cup 110, can be by cup 110
Electrolyte is injected into the inside of battery, drives piston rod 111 and piston to produce the second stroke by telescopic drive part 10, that is,
Say, drive piston rod 111 and piston to move to the direction of the bottom away from cup 110 by telescopic drive part 10, can be by outside
Electrolyte in liquid storing barrel 2 is evacuated to electrolyte from liquid pumping hole 110a and accommodates intracavity.This mode avoids the use of topping-up pump, energy
Priming device 1 is enough effectively ensured beats liquid precision, so as to improving the fluid injection precision of whole priming device 1, can make fluid injection precision
Reach within ± 1%, the performance of raising battery, and also the leakage of electrolyte can be prevented effectively from, improve priming device 1 and use
Safety, saves equipment cost.
Preferably, above-mentioned telescopic drive part 10 includes motor 100, motor shaft 100a and the work of the motor 100
Stopper rod 111 is flexibly connected, and the motor shaft 100a of the motor 100 is rotated, and piston rod 111 can be made to produce the first stroke and the
Two strokes, so as to realize drawing liquid and the liquid injecting function of priming device 1.Due to motor 100 with constant power output and
Accurate resetting function, drives piston rod 111 and piston movement by motor 100, it is possible to increase 111 He of piston rod
Piston movement stability, so as to ensure the stability of fluid injection or drawing liquid, improves the fluid injection precision of whole priming device 1, Yi Jiti
The performance of high battery.
Further, the motor shaft 100a of motor 100 is connected by helicitic texture with piston rod 111, is so designed
While piston rod 111 being driven to produce the first stroke and the second stroke during motor shaft 100a rotation is ensured, energy
Enough installation difficulty for effectively reducing motor 100 and piston rod 111, improve the installation effectiveness of priming device 1.
According to one embodiment of the application, above-mentioned piston rod 111 can be hollow bar, can set on the inner peripheral surface of the hollow bar
Female thread is equipped with, and external screw thread on the outer peripheral face of the motor shaft 100a of motor 100, can be provided with, by female thread and outer spiral shell
Stricture of vagina coordinates the motor shaft 100a for realizing motor 100 to threaded with piston rod 111, and motor shaft 100a is rotated and driven work
Stopper rod 111 produces the first stroke and the second stroke, so that function of the priming device 1 with fluid injection and drawing liquid.So design not
The installation steps of motor 100 and piston rod 111 can only be simplified, but also production cost can be saved.
What deserves to be explained is, also the motor shaft 100a of motor 100 can be arranged to quill shaft, quill shaft in the application
Inner peripheral surface be provided with female thread, and the outer peripheral face of piston rod 111 is provided with external screw thread.
According to another embodiment of the application, as depicted in figs. 1 and 2, above-mentioned helicitic texture may include lifters 101,
One end of lifters 101 is fixedly connected with piston rod 111, and the other end of lifters 101 is provided with sleeve 101a, sleeve 101a set
In the outside of motor shaft 100a, and coordinate with the motor shaft 100a screw thread of motor 100, permissible by arranging lifters 101
While ensureing piston rod 111 can be driven to produce the first stroke and the second stroke during motor shaft 100a is rotated, energy
Enough positions for flexibly arranging motor 100, the structure so as to causing whole priming device 1 is compacter, occupies less
Space.
Preferably, the end of the motor shaft 100a of motor 100 is provided with stopper section 100b, along motor shaft 100a's
In the projection that axis is obtained, the perspective plane of motor shaft 100a is located in the perspective plane of stopper section 100b, and so design can be avoided
During motor shaft 100a is rotated, the situation that sleeve 101a is come off from motor shaft 100a occurs, so as to improve the fluid injection
1 stability in use of device.
Further, above-mentioned telescopic drive part 10 also includes guide 102, the motor of guide 102 and motor 100
Axle 100a be arranged in parallel, and guide 102 is slidably connected with lifters 101, is rotated in motor shaft 100a and is driven lifters 101
Axis along motor shaft 100a carries out elevating movement, during driving piston rod 111 to produce the first stroke and the second stroke, the liter
Drop part 101 can counter-guide 102 slide, by arrange guide 102 can be prevented effectively from motor shaft 100a rotate mistake
In journey, lifters 101 shift, it is ensured that the stability that piston rod 111 moves, so as to ensure that what priming device 1 can be stable take out
Liquid and fluid injection.
Specifically, above-mentioned guide 102 can be slide rail, and the track of the slide rail prolongs along the axial direction of motor shaft 100a
Stretch, and the slide block for coordinating with the slide rail in the lifters 101, is provided with, the slide block this can be set along the slide of slide rail
Meter simple structure, low cost.
In this application, priming device 1 also includes the first valve 12 at liquid pumping hole 110a and/or installed in note
The second valve 13 at liquid mouth 110b, the first valve 12 is used for controlling the opening and closing of liquid pumping hole 110a, and the second valve 13 is used
In liquid injection port 110b is opened or closed, liquid pumping hole can be controlled according to demand by arranging the first valve 12 and/or the second valve 13
110a or liquid injection port 110b break-make.
Specifically, when the priming device 1 needs drawing liquid, the first valve 12 can be opened, the second valve 13 is closed, so
After make motor 100 invert and drive piston and piston rod 111 to produce the second stroke, i.e.,：Drive piston rod 111 and piston to
Away from the direction motion of the bottom of cup 110, the electrolyte in outside liquid storing barrel 2 can be evacuated to electrolyte appearance from liquid pumping hole 110a
Receive intracavity, electrolyte be extracted into a certain amount of after, motor 100 stops operating, and the first valve 12 is closed.Need in the priming device 1
When being battery liquid-filling, the first valve 12 can be closed, the second valve 13 is opened, so that motor 100 is rotated forward and drive
Piston or piston rod 111 produce the first stroke, i.e.,：Piston rod 111 and piston are driven to the direction near the bottom of cup 110
Motion, the electrolyte in cup 110 can be injected into the inside of battery.
Preferably, priming device 1 also includes the liquid suction pipe 14 being connected with liquid pumping hole 110a, near liquid pumping hole on liquid suction pipe 14
The position of 110a is provided with the first valve 12, and/or the liquid injection pipe 15 being connected with liquid injection port 110b, near fluid injection on liquid injection pipe 15
The position of mouth 110b is provided with the second valve 13, by arranging liquid suction pipe 14 and/or liquid injection pipe 15, then sets the first valve 12
Putting liquid injection pipe 15 is arranged near liquid injection port 110b in liquid suction pipe 14 near the position of liquid pumping hole 110a and/or by the second valve 13
Position, so design ensureing that the first valve 12 and/or the second valve 13 can effective control liquid pumping hole 110a and liquid injection port
While the opening and closing of 110b, moreover it is possible to effectively reduce the installation difficulty of the first valve 12 and/or the second valve 13, and lead to
Cross setting liquid suction pipe 14 and/or liquid injection pipe 15 so that the riding position of the relative battery of priming device 1 and outside liquid storing barrel 2 is more
Flexibly.
Further, above-mentioned liquid suction pipe 14 is tightly connected by first seal with liquid pumping hole 110a, and/or liquid injection pipe 15
It is tightly connected by second seal with liquid injection port 110b, by first seal and/or second seal is arranged, electricity can be avoided
Junction of the solution liquid from the junction and/or liquid injection port 110b of liquid suction pipe 14 and liquid pumping hole 110a with liquid injection pipe 15 is revealed, and improves
1 safety in utilization of priming device, saves equipment cost, moreover it is possible to be effectively ensured priming device 1 to play liquid precision and fluid injection smart
Degree, improves the performance of battery.
In this application, priming device 1 may also include controller (not shown), and the controller can be with the first valve 12
And/or second valve 13 connect, for controlling the opening and closing of the first valve 12 and/or the second valve 13.Controlled by arranging
Device processed controls the opening and closing of the first valve 12 and/or the second valve 13, and it is more intelligent to enable to the priming device 1,
Improve the work efficiency of priming device 1.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.All within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of priming device, it is characterised in that include：Telescopic drive part and fluid injection cup, the fluid injection cup includes cup, piston
And piston rod,
The piston is arranged in the cup, and surrounds electrolyte accommodating chamber with the bottom of the cup,
The bottom of the cup is provided with liquid pumping hole and liquid injection port, and the liquid pumping hole and the liquid injection port are all held with the electrolyte
Receive chamber connection,
One end of the piston rod is fixedly connected with the piston, and the other end of the piston rod is with the telescopic drive part even
Connect, the telescopic drive part can drive the piston rod and the piston to produce the first row of the bottom near the cup
Journey, and the second stroke of the bottom away from the cup.
2. priming device according to claim 1, it is characterised in that
The telescopic drive part includes motor, and the motor shaft of the motor is flexibly connected with the piston rod, described
Piston rod can produce first stroke and second stroke during the motor shaft is rotated.
3. priming device according to claim 2, it is characterised in that
The motor shaft is connected by helicitic texture with the piston rod.
4. priming device according to claim 3, it is characterised in that the helicitic texture includes lifters, the lifting
One end of part is fixedly connected with the piston rod, and the other end of the lifters is provided with sleeve, and the sleeve is enclosed within the electricity
The outside of arbor, and coordinate with the motor axle thread.
5. priming device according to claim 4, it is characterised in that the end of the motor shaft is provided with stopper section, edge
In the projection that the axis of the motor shaft is obtained, the perspective plane of the motor shaft is located in the perspective plane of the stopper section.
6. priming device according to claim 4, it is characterised in that the telescopic drive part also includes guide, described
Guide is be arranged in parallel with the motor shaft, and the guide is slidably connected with the lifters.
7. priming device according to any one of claim 1 to 6, it is characterised in that also include：
First valve, at the liquid pumping hole, first valve is used for controlling the opening and closing of the liquid pumping hole,
And/or
Second valve, at the liquid injection port, second valve is used for opening or closing the liquid injection port.
8. priming device according to claim 7, it is characterised in that also include：
The liquid suction pipe being connected with the liquid pumping hole, the position on the liquid suction pipe near the liquid pumping hole is provided with first valve
Door, and/or
The liquid injection pipe being connected with the liquid injection port, the position on the liquid injection pipe near the liquid injection port is provided with second valve
Door.
9. priming device according to claim 8, it is characterised in that
The liquid suction pipe is tightly connected by first seal with the liquid pumping hole, and/or
The liquid injection pipe is tightly connected by second seal with the liquid injection port.
10. priming device according to claim 7, it is characterised in that also include controller, the controller and described
One valve and/or second valve connection, the controller is used for controlling first valve and/or second valve
Open and close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217634.8A CN106450145A (en) | 2016-12-26 | 2016-12-26 | Liquid injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217634.8A CN106450145A (en) | 2016-12-26 | 2016-12-26 | Liquid injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106450145A true CN106450145A (en) | 2017-02-22 |
Family
ID=58215368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217634.8A Pending CN106450145A (en) | 2016-12-26 | 2016-12-26 | Liquid injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450145A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275565A (en) * | 2017-07-04 | 2017-10-20 | 合肥青鸾新能源科技有限公司 | A kind of electrolyte for lithium cells priming device |
| CN108336289A (en) * | 2017-12-27 | 2018-07-27 | 广州倬粤动力新能源有限公司 | Horizon battery acid filling equipment |
| CN110335986A (en) * | 2019-07-23 | 2019-10-15 | 龙能科技(宁夏)有限责任公司 | A kind of automatic liquid-dropping mechanism and dropping liquid method for automatic filling machine |
| CN114403687A (en) * | 2022-01-14 | 2022-04-29 | 上海凛客智能科技有限公司 | Automatic liquid injection heating device |
| CN114552147A (en) * | 2022-03-21 | 2022-05-27 | 深圳市格林晟科技有限公司 | Internal circulation type battery liquid injection mechanism and liquid injection method thereof |
| CN114552148A (en) * | 2022-03-21 | 2022-05-27 | 深圳市格林晟科技有限公司 | Centrifugal battery liquid injection mechanism and liquid injection method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275565A (en) * | 2017-07-04 | 2017-10-20 | 合肥青鸾新能源科技有限公司 | A kind of electrolyte for lithium cells priming device |
| CN108336289A (en) * | 2017-12-27 | 2018-07-27 | 广州倬粤动力新能源有限公司 | Horizon battery acid filling equipment |
| CN108336289B (en) * | 2017-12-27 | 2020-11-10 | 广州倬粤动力新能源有限公司 | Horizontal battery acid filling equipment |
| CN110335986A (en) * | 2019-07-23 | 2019-10-15 | 龙能科技(宁夏)有限责任公司 | A kind of automatic liquid-dropping mechanism and dropping liquid method for automatic filling machine |
| CN110335986B (en) * | 2019-07-23 | 2024-04-05 | 保力新能源科技股份有限公司 | Automatic liquid dropping device and method for automatic liquid injection machine |
| CN114403687A (en) * | 2022-01-14 | 2022-04-29 | 上海凛客智能科技有限公司 | Automatic liquid injection heating device |
| CN114552147A (en) * | 2022-03-21 | 2022-05-27 | 深圳市格林晟科技有限公司 | Internal circulation type battery liquid injection mechanism and liquid injection method thereof |
| CN114552148A (en) * | 2022-03-21 | 2022-05-27 | 深圳市格林晟科技有限公司 | Centrifugal battery liquid injection mechanism and liquid injection method thereof |
| EP4249129A1 (en) * | 2022-03-21 | 2023-09-27 | Shenzhen Greensun Technology Co., Ltd. | Centrifugal battery liquid injection mechanism and liquid injection method thereof |
| US11894581B2 (en) | 2022-03-21 | 2024-02-06 | Shenzhen Greensun Technology Co., Ltd. | Centrifugal battery liquid injection mechanism and liquid injection method thereof |
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