CN109216645A - A kind of priming device that lithium battery equipressure is stood - Google Patents
A kind of priming device that lithium battery equipressure is stood Download PDFInfo
- Publication number
- CN109216645A CN109216645A CN201811196318.6A CN201811196318A CN109216645A CN 109216645 A CN109216645 A CN 109216645A CN 201811196318 A CN201811196318 A CN 201811196318A CN 109216645 A CN109216645 A CN 109216645A
- Authority
- CN
- China
- Prior art keywords
- sealing
- hole
- fluid injection
- upper cover
- solenoid 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.)
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Classifications
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- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention discloses the priming devices that a kind of lithium battery equipressure is stood, upper cover is mounted on the base by the sealing structure removable seal and forms sealing fluid injection chamber on the installation position, fluid injection cup is located at sealing note chamber, fluid injection bottom of a cup portion is equipped with fluid hole, sealing valve is sealingly mounted at the liquid injection hole of upper cover and is connected to by liquid injection hole with fluid injection cup, first solenoid valve is sealingly mounted at the first through hole of upper cover and is connected to by first through hole with fluid injection cup, second solenoid valve is sealingly mounted at the second through hole of upper cover and by the second through-hole and the sealing fluid injection chamber.The priming device stood by the lithium battery equipressure of above-mentioned optimization design, by the way that battery is placed in upper cover, so that being located in sealing space when battery liquid-filling, before the method stood using equipressure carries out injecting electrolytic solution, realize the detection to sealing fluid injection chamber and battery liquid-filling mouth air-tightness, to reduce the energy consumption for reducing isobaric fluid injection, fluid injection efficiency and reliability is greatly improved.
Description
Technical field
The present invention relates to the priming devices that technical field of lithium batteries more particularly to a kind of lithium battery equipressure are stood.
Background technique
There are many kinds of the note electrolyte techniques of lithium battery, wherein isobaric stand the advantages of fluid injection is had rapidly and efficiently, is advised greatly
Mould uses in actual battery production.But nitrogen is vacuumized and injects because needing to use during isobaric standing fluid injection, and
Existing equipressure liquid-injection equipment is all made of large-scale pressure vessel and meets once tens to several hundred electricity of investment as seal chamber
The yield in pond, seal cavity is bigger, and space cannot effectively use, and will result in a large amount of energy wave when vacuumizing with nitrogen injection
Take, and cavity is bigger, cost is higher, unfavorable to the economy of whole equipment.
Whether the connection that battery needs to detect between fluid injection cup and battery liquid-filling hole before infusing electrolyte is fully sealed, such as
Sealing performance is not good for fruit, then will cause the leakage of electrolyte during fluid injection, existing air-leakage test mode is logical
It crosses and vacuumizes rear pressure maintaining, detect the mode of pressure gauge pressure drop then to detect air-tightness.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of fluid injection dress that lithium battery equipressure is stood
It sets.
The priming device that a kind of lithium battery equipressure proposed by the present invention is stood, comprising: pedestal, upper cover, fluid injection cup, sealing
Valve, the first solenoid valve, second solenoid valve；
Pedestal is equipped with battery installation position, and upper cover is equipped with sealing structure, and upper cover is detachably close by the sealing structure
Envelope is mounted on the base and forms sealing fluid injection chamber on the installation position, and fluid injection cup is located at sealing note chamber, note
Liquid cup is equipped with inlet opening and gas port, and fluid injection bottom of a cup portion is equipped with fluid hole, and upper cover is equipped with liquid injection hole, first through hole, second
Through-hole, the inlet opening is connected to the liquid injection hole and the gas port is connected to first through hole；
Sealing valve is sealingly mounted at the liquid injection hole, and the first solenoid valve is sealingly mounted at first through hole, the second electromagnetism
Valve is sealingly mounted at the second through hole.
Preferably, the installation position is equipped with the Battery shell being vertically arranged, and upper cover is sealingly mounted on Battery shell；
Preferably, the sealing structure is located at upper cover lower ending opening inner wall, and upper cover covers on outside Battery shell and by upper
It states sealing structure and the sealing of Battery shell outer wall cooperates.
Preferably, guide post is additionally provided on pedestal, guide post is vertically arranged in the side of Battery shell, and upper cover outer wall is equipped with
Guide part, guide part are equipped with the guide hole cooperated with guide post, and guide post is equipped with the limit for being limited to guide part
Part, locating part are located above guide part and are removably mounted in guide post.
Preferably, pedestal is equipped with multiple guide posts, and multiple guide posts are arranged around the battery installation position.
Preferably, sealing valve includes mounting rod, holddown spring, sealing-plug, and mounting rod is vertically arranged in first through hole side
And fixed with upper cover, mounting rod outer wall is equipped with retention bead, and sealing-plug is sealingly mounted in the liquid injection hole, and holddown spring is arranged
Outside mounting rod, holddown spring upper end is against retention bead and lower end seals against plug.
Preferably, sealing valve includes more mounting rods and multiple holddown springs, and multiple mounting rods are arranged around first through hole,
Each holddown spring is set on a mounting rod.
Preferably, plug sidewall is equipped with connector, and connector is equipped with installation through-hole and passes through the installation through-hole set
It is located on mounting rod.
Preferably, first through hole and liquid injection hole are located above fluid injection cup, and the second through-hole is located at fluid injection cup side.
Preferably, first pressure detection meter is connected on the first solenoid valve, between detection fluid injection cup and battery to be injected
Connection sealing when, be first turned on the first solenoid valve and close second solenoid valve and sealing valve, then pass through the first solenoid valve
Fluid injection cup is carried out to vacuumize rear pressure maintaining, checks the detected value variation of first pressure detection meter.
Preferably, it is connected with second pressure detection meter in second solenoid valve, implements the sealing of sealing fluid injection chamber in detection
Property when, be first turned on second solenoid valve and close the first solenoid valve and sealing valve, then by second solenoid valve to the sealing
Fluid injection chamber carries out vacuumizing rear pressure maintaining, checks the detected value variation of second pressure detection meter.
In the present invention, the priming device that the lithium battery equipressure that is proposed is stood, upper cover is detachable by the sealing structure
It being sealingly mounted on pedestal and forms sealing fluid injection chamber on the installation position, fluid injection cup is located at sealing note chamber,
Fluid injection bottom of a cup portion is equipped with fluid hole, and sealing valve is sealingly mounted at the liquid injection hole of upper cover and is connected to by liquid injection hole with fluid injection cup,
First solenoid valve is sealingly mounted at the first through hole of upper cover and is connected to by first through hole with fluid injection cup, second solenoid valve sealing
It is mounted on the second through hole of upper cover and by the second through-hole and the sealing fluid injection chamber.Pass through above-mentioned optimization design
The priming device that lithium battery equipressure is stood, by the way that battery is placed in upper cover, so that be located in sealing space when battery liquid-filling,
Before the method stood using equipressure carries out injecting electrolytic solution, the inspection to sealing fluid injection chamber and battery liquid-filling mouth air-tightness is realized
It surveys, to reduce the energy consumption for reducing isobaric fluid injection, greatly improves fluid injection efficiency and reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the priming device that a kind of lithium battery equipressure proposed by the present invention is stood.
Fig. 2 is that a kind of lithium battery equipressure standing proposed by the present invention is illustrated externally to the gas flow of fluid injection in fluid injection cup
Figure.
Fig. 3 is that a kind of lithium battery equipressure standing proposed by the present invention is illustrated externally to the gas flow of fluid injection in fluid injection cup
Figure.
Fig. 4 is the gas stream that a kind of lithium battery equipressure proposed by the present invention stands the detection sealing fluid injection chamber air-tightness
To schematic diagram.
Fig. 5 is that a kind of lithium battery equipressure standing proposed by the present invention is shown from gas flow of the fluid injection cup into battery when fluid injection
It is intended to.
Specific embodiment
As shown in Fig. 1 to 5, Fig. 1 is the structural representation for the priming device that a kind of lithium battery equipressure proposed by the present invention is stood
Figure, Fig. 2 are a kind of gas flow schematic diagram of the lithium battery equipressure standing proposed by the present invention externally to fluid injection in fluid injection cup, figure
3 be a kind of gas flow schematic diagram of the lithium battery equipressure standing proposed by the present invention externally to fluid injection in fluid injection cup, and Fig. 4 is this
A kind of lithium battery equipressure that invention proposes stands the gas flow schematic diagram of the detection sealing fluid injection chamber air-tightness, and Fig. 5 is
A kind of lithium battery equipressure proposed by the present invention stands the gas flow schematic diagram from fluid injection cup into battery when fluid injection.
Referring to Fig.1, the priming device that a kind of lithium battery equipressure proposed by the present invention is stood, comprising: pedestal 1, upper cover 2, note
Liquid cup 3, sealing valve, the first solenoid valve 4, second solenoid valve 5；
Pedestal 1 is equipped with battery installation position, and upper cover 2 is equipped with sealing structure, and upper cover 2 is detachable by the sealing structure
It is sealingly mounted on pedestal 1 and forms sealing fluid injection chamber on the installation position, fluid injection cup 3 is located at the sealing fluid injection chamber
Interior, fluid injection cup 3 is equipped with inlet opening and gas port, and 3 bottom of fluid injection cup is equipped with fluid hole, and upper cover 2 is led to equipped with liquid injection hole, first
Hole, the second through-hole, the inlet opening is connected to the liquid injection hole and the gas port is connected to first through hole；
Sealing valve is sealingly mounted at the liquid injection hole, and the first solenoid valve 4 is sealingly mounted at first through hole, the second electromagnetism
Valve 5 is sealingly mounted at the second through hole.
Referring to Fig. 2-5, in the specific work process for the priming device that the lithium battery equipressure of the present embodiment is stood, fluid injection is advanced
In row air-leakage test, be connected on the first solenoid valve 4 first pressure detection meter, detection fluid injection cup 3 and battery to be injected it
Between connection sealing when, be first turned on the first solenoid valve 4 and close second solenoid valve 5 and sealing valve, then pass through the first electricity
Magnet valve 4 carries out fluid injection cup 3 to vacuumize rear pressure maintaining, checks the detected value variation of first pressure detection meter；Connect in second solenoid valve 5
It is connected to second pressure detection meter, when the leakproofness of sealing fluid injection chamber is implemented in detection, second solenoid valve 5 is first turned on and closes
Then first solenoid valve 4 and sealing valve are carried out vacuumizing rear pressure maintaining, be looked by second solenoid valve 5 to the sealing fluid injection chamber
See the detected value variation of second pressure detection meter.
In injection process, when fluid injection, sealing valve is opened, the electrolyte in fluid reservoir is passed through by fluid injection by topping-up pump
Hole is squeezed into fluid injection cup, and sealing valve is then shut off, and is vacuumized simultaneously by the first solenoid valve and second solenoid valve, keeps certain
Process time injects nitrogen, is kept for certain process time, pass through adjusting then by the first solenoid valve and second solenoid valve
Pressure inside and outside battery realizes the fast and stable injection of electrolyte, so on circulate, until electrolyte is fully injected into battery.
In the present embodiment, the priming device that the lithium battery equipressure proposed is stood, upper cover can by the sealing structure
Disassembly is sealingly mounted on pedestal forms sealing fluid injection chamber on the installation position, and fluid injection cup is located at the sealing fluid injection chamber
Interior, fluid injection bottom of a cup portion is equipped with fluid hole, and sealing valve is sealingly mounted at the liquid injection hole of upper cover and is connected by liquid injection hole and fluid injection cup
Logical, the first solenoid valve is sealingly mounted at the first through hole of upper cover and is connected to by first through hole with fluid injection cup, second solenoid valve
It is sealingly mounted at the second through hole of upper cover and by the second through-hole and the sealing fluid injection chamber.It is set by above-mentioned optimization
The priming device that the lithium battery equipressure of meter is stood, by the way that battery to be placed in upper cover, so that it is empty to be located at sealing when battery liquid-filling
In, before the method stood using equipressure carries out injecting electrolytic solution, realize close to sealing fluid injection chamber and battery liquid-filling implication
Property detection greatly improve fluid injection efficiency and reliability to reduce the energy consumption for reducing isobaric fluid injection.
In a specific embodiment, the installation position is equipped with the Battery shell 6 being vertically arranged, and upper cover 2 is sealingly mounted at
On Battery shell 6, by the way that Battery shell is arranged, realize to battery accurate positioning, to guarantee that fluid injection cup connect positioning with battery
Accurately；In further setting, the sealing structure is located at 2 lower ending opening inner wall of upper cover, and upper cover 2 covers on outside Battery shell 6
And cooperated by above-mentioned sealing structure and the sealing of 6 outer wall of Battery shell.
In further specific embodiment, guide post 7 is additionally provided on pedestal 1, guide post 7 is vertically arranged in battery case
The side of cylinder 6,2 outer wall of upper cover are equipped with guide part 11, and guide part 11 is equipped with the guide hole cooperated with guide post 7, sets in guide post 7
There is the locating part 8 for being limited to guide part 11, locating part 8 is located at 11 top of guide part and is removably mounted at guide post
On 7.
In battery installation process, battery is placed in Battery shell first, upper cover cover on outside Battery shell and with
Battery shell sealing cooperation, so that the sealing cooperation of the liquid injection port of the fluid hole of fluid injection cup and battery, and pass through locating part and lead
Upper cover is pushed to column cooperation and is limited, fluid injection cup is pressed on battery, to guarantee the reliability of fluid injection cup and battery cooperation.
In order to improve the reliability of upper cover and Battery shell cooperation, pedestal 1 is equipped with multiple guide posts 7, multiple guide posts 7
It is arranged around the battery installation position.
In the specific embodiment of sealing valve, sealing valve includes mounting rod 9, holddown spring 10, sealing-plug 13, mounting rod
9 are vertically arranged in first through hole side and fix with upper cover 2, and 9 outer wall of mounting rod is equipped with retention bead, the sealing installation of sealing-plug 13
In the liquid injection hole, holddown spring 10 is set in outside mounting rod 9, and 10 upper end of holddown spring is against retention bead and lower end is supported
By sealing-plug 13, when sealing, sealing-plug is pressed at liquid injection hole by holddown spring, is further ensured that sealing effect.
In further specific embodiment, sealing valve includes more mounting rods 9 and multiple holddown springs 10, multiple installations
Bar 9 arranges that each holddown spring 10 is set on a mounting rod 9 around first through hole.
In order to improve the sealing performance of sealing-plug, in other specific embodiments, 13 side wall of sealing-plug is equipped with connector
12, connector 12 is equipped with installation through-hole and is set on mounting rod 9 by the installation through-hole, and holddown spring passes through connector
Compress sealing-plug.
In the specific set-up mode of through-hole, first through hole and liquid injection hole are located at 3 top of fluid injection cup, and the second through-hole is located at note
3 side of liquid cup.
In specific mounting means, multiple battery installation positions can be set on pedestal, at the same be accordingly arranged it is multiple with it is electric
The upper cover of pond installation position cooperation is connected to form one structure, solenoid valve and sealing valve respectively at the respective through hole company in multiple upper covers
It is logical, to realize battery batch detection, fluid injection, realize mass processing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. the priming device that a kind of lithium battery equipressure is stood characterized by comprising pedestal (1), upper cover (2), fluid injection cup (3),
Sealing valve, the first solenoid valve (4), second solenoid valve (5)；
Pedestal (1) is equipped with battery installation position, and upper cover (2) is equipped with sealing structure, and upper cover (2) is removable by the sealing structure
It unloads to be sealingly mounted on pedestal (1) and forms sealing fluid injection chamber on the installation position, fluid injection cup (3) is located at the sealing fluid injection
In chamber, fluid injection cup (3) is equipped with inlet opening and gas port, and fluid injection cup (3) bottom is equipped with fluid hole, and upper cover (2) is equipped with note
Fluid apertures, first through hole, the second through-hole, the inlet opening is connected to the liquid injection hole and the gas port is connected to first through hole；
Sealing valve is sealingly mounted at the liquid injection hole, and the first solenoid valve (4) is sealingly mounted at first through hole, second solenoid valve
(5) it is sealingly mounted at the second through hole.
2. the priming device that lithium battery equipressure according to claim 1 is stood, which is characterized in that the installation position is equipped with
The Battery shell (6) being vertically arranged, upper cover (2) are sealingly mounted on Battery shell (6)；
Preferably, the sealing structure is located at upper cover (2) lower ending opening inner wall, and it is external and logical that upper cover (2) covers on Battery shell (6)
It crosses above-mentioned sealing structure and the sealing of Battery shell (6) outer wall cooperates.
3. the priming device that lithium battery equipressure according to claim 2 is stood, which is characterized in that pedestal is additionally provided on (1)
Guide post (7), guide post (7) are vertically arranged in the side of Battery shell (6), and upper cover (2) outer wall is equipped with guide part (11), guiding
Part (11) is equipped with the guide hole cooperated with guide post (7), and guide post (7) is equipped with the limit for being limited to guide part (11)
Position part (8), locating part (8) are located above guide part (11) and are removably mounted on guide post (7).
4. the priming device that lithium battery equipressure according to claim 3 is stood, which is characterized in that pedestal (1) is equipped with more
A guide post (7), multiple guide posts (7) are arranged around the battery installation position.
5. the priming device that lithium battery equipressure according to claim 1 is stood, which is characterized in that sealing valve includes mounting rod
(9), holddown spring (10), sealing-plug (13), mounting rod (9) are vertically arranged in first through hole side and, peace fixed with upper cover (2)
It fills bar (9) outer wall and is equipped with retention bead, sealing-plug (13) is sealingly mounted in the liquid injection hole, and holddown spring (10) is set in peace
Bar (9) outside is filled, holddown spring (10) upper end is against retention bead and lower end seals against plug (13).
6. the priming device that lithium battery equipressure according to claim 5 is stood, which is characterized in that sealing valve includes more peaces
Bar (9) and multiple holddown springs (10) are filled, multiple mounting rods (9) arrange that each holddown spring (10) is arranged around first through hole
On a mounting rod (9).
7. the priming device that lithium battery equipressure according to claim 5 is stood, which is characterized in that sealing-plug (13) side wall is set
Have connector (12), connector (12) is equipped with installation through-hole and is set on mounting rod (9) by the installation through-hole.
8. the priming device that lithium battery equipressure according to claim 1 is stood, which is characterized in that first through hole and liquid injection hole
Above fluid injection cup (3), the second through-hole is located at fluid injection cup (3) side.
9. the priming device that lithium battery equipressure according to claim 1 is stood, which is characterized in that on the first solenoid valve (4)
It is connected with first pressure detection meter, when detecting the connection sealing between fluid injection cup (3) and battery to be injected, is first turned on the
One solenoid valve (4) and closing second solenoid valve (5) and sealing valve, then take out fluid injection cup (3) by the first solenoid valve (4)
The detected value variation of first pressure detection meter is checked in pressure maintaining after vacuum.
10. according to claim 1 or lithium battery equipressure described in 9 stand priming device, which is characterized in that second solenoid valve
(5) it is connected with second pressure detection meter on, when the leakproofness of sealing fluid injection chamber is implemented in detection, is first turned on second solenoid valve
(5) and the first solenoid valve (4) and sealing valve are closed, then the sealing fluid injection chamber is taken out by second solenoid valve (5)
The detected value variation of second pressure detection meter is checked in pressure maintaining after vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811196318.6A CN109216645B (en) | 2018-10-15 | 2018-10-15 | Liquid injection device for isobaric standing of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811196318.6A CN109216645B (en) | 2018-10-15 | 2018-10-15 | Liquid injection device for isobaric standing of lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216645A true CN109216645A (en) | 2019-01-15 |
| CN109216645B CN109216645B (en) | 2021-07-06 |
Family
ID=64980418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811196318.6A Active CN109216645B (en) | 2018-10-15 | 2018-10-15 | Liquid injection device for isobaric standing of lithium battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN109216645B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350141A (en) * | 2019-08-09 | 2019-10-18 | 博众精工科技股份有限公司 | Vacuum liquid filling seal cavity device |
| CN113991264A (en) * | 2021-10-27 | 2022-01-28 | 深圳市精朗联合科技有限公司 | Isobaric filling device of automobile lithium battery filling machine |
| CN114744379A (en) * | 2022-04-01 | 2022-07-12 | 上海兰钧新能源科技有限公司 | Battery pack liquid injection device, system and method |
| CN117239254A (en) * | 2023-11-13 | 2023-12-15 | 江苏嘉拓新能源智能装备股份有限公司 | Liquid injection standing device and positive pressure recovery method |
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| 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 |
| CN103236514A (en) * | 2013-04-24 | 2013-08-07 | 深圳市沃特玛电池有限公司 | Battery fluid filling device and method |
| CN107834017A (en) * | 2017-11-02 | 2018-03-23 | 力信（江苏）能源科技有限责任公司 | Lithium battery equipressure priming device and its electrolyte filling method |
| CN108630881A (en) * | 2018-06-12 | 2018-10-09 | 宁德嘉拓智能设备有限公司 | A kind of double cup priming devices |
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2018
- 2018-10-15 CN CN201811196318.6A patent/CN109216645B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103236514A (en) * | 2013-04-24 | 2013-08-07 | 深圳市沃特玛电池有限公司 | Battery fluid filling device and method |
| CN107834017A (en) * | 2017-11-02 | 2018-03-23 | 力信（江苏）能源科技有限责任公司 | Lithium battery equipressure priming device and its electrolyte filling method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350141A (en) * | 2019-08-09 | 2019-10-18 | 博众精工科技股份有限公司 | Vacuum liquid filling seal cavity device |
| CN113991264A (en) * | 2021-10-27 | 2022-01-28 | 深圳市精朗联合科技有限公司 | Isobaric filling device of automobile lithium battery filling machine |
| CN113991264B (en) * | 2021-10-27 | 2022-08-26 | 深圳市精朗联合科技有限公司 | Isobaric priming device of car lithium cell liquid filling machine |
| CN114744379A (en) * | 2022-04-01 | 2022-07-12 | 上海兰钧新能源科技有限公司 | Battery pack liquid injection device, system and method |
| CN117239254A (en) * | 2023-11-13 | 2023-12-15 | 江苏嘉拓新能源智能装备股份有限公司 | Liquid injection standing device and positive pressure recovery method |
| CN117239254B (en) * | 2023-11-13 | 2024-03-15 | 江苏嘉拓新能源智能装备股份有限公司 | Liquid injection standing device and positive pressure recovery method |
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| Publication number | Publication date |
|---|---|
| CN109216645B (en) | 2021-07-06 |
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