CN109216645B - Liquid injection device for isobaric standing of lithium battery - Google Patents
Liquid injection device for isobaric standing of lithium battery Download PDFInfo
- Publication number
- CN109216645B CN109216645B CN201811196318.6A CN201811196318A CN109216645B CN 109216645 B CN109216645 B CN 109216645B CN 201811196318 A CN201811196318 A CN 201811196318A CN 109216645 B CN109216645 B CN 109216645B
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- Prior art keywords
- liquid injection
- hole
- liquid
- battery
- electromagnetic valve
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- 239000007788 liquid Substances 0.000 title claims abstract description 146
- 238000002347 injection Methods 0.000 title claims abstract description 112
- 239000007924 injection Substances 0.000 title claims abstract description 112
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 27
- 239000003792 electrolyte Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 11
- 230000037452 priming Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 235000013547 stew Nutrition 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000462 isostatic pressing Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
-
- 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 a lithium battery isobaric standing liquid injection device, wherein an upper cover is detachably and hermetically arranged on a base through a sealing structure to form a sealed liquid injection cavity on an installation position, a liquid injection cup is positioned in the sealed liquid injection cavity, a liquid outlet hole is formed in the bottom of the liquid injection cup, a sealing valve is hermetically arranged at the liquid injection hole of the upper cover and communicated with the liquid injection cup through the liquid injection hole, a first electromagnetic valve is hermetically arranged at a first through hole of the upper cover and communicated with the liquid injection cup through a first through hole, and a second electromagnetic valve is hermetically arranged at a second through hole of the upper cover and communicated with the sealed liquid injection cavity through a second through hole. Through the injection device that lithium cell isobaric stews of above-mentioned optimal design, through placing the battery in the upper shield for the battery is located the enclosure space when annotating liquid, before the method that utilizes isobaric stew carries out electrolyte injection, realizes annotating the detection of liquid mouth gas tightness to sealed notes liquid cavity and battery, thereby reduces the energy consumption that isobaric notes liquid, improves notes liquid efficiency and reliability greatly.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a liquid injection device for isobaric standing of a lithium battery.
Background
Electrolyte injection processes of lithium batteries are various, wherein the isobaric standing injection has the advantages of rapidness and high efficiency, and is adopted in the actual battery production on a large scale. However, in the process of isobaric standing for liquid injection, vacuumizing and nitrogen injection are needed, and the existing isobaric liquid injection equipment adopts a large-sized pressure container as a sealing cavity to meet the requirement of one-time input of dozens to hundreds of batteries, the larger the sealing cavity is, the space cannot be effectively used, a large amount of energy waste can be caused during vacuumizing and nitrogen injection, and the larger the cavity is, the higher the manufacturing cost is, and the economy of the whole equipment is not favorable.
The battery need detect before annotating electrolyte and annotate the liquid cup and the battery and annotate the connection between the liquid hole whether sealed completely, if sealing performance is not good, so can cause the seepage of electrolyte at the in-process of annotating the liquid, and present gas tightness detection mode is through the pressurize after the evacuation, then detects the mode of manometer pressure drop and detects the gas tightness.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a liquid injection device for isobaric standing of a lithium battery.
The invention provides a lithium battery isobaric static liquid injection device, which comprises: the device comprises a base, an upper cover, a liquid injection cup, a sealing valve, a first electromagnetic valve and a second electromagnetic valve;
the battery installation position is arranged on the base, the upper cover is provided with a sealing structure, the upper cover is detachably and hermetically arranged on the base through the sealing structure to form a sealed liquid injection cavity on the installation position, the liquid injection cup is positioned in the sealed liquid injection cavity, the liquid injection cup is provided with a liquid inlet hole and an air guide hole, the bottom of the liquid injection cup is provided with a liquid outlet hole, the upper cover is provided with a liquid injection hole, a first through hole and a second through hole, the liquid inlet hole is communicated with the liquid injection hole, and the air guide hole is communicated with the first through hole;
the sealing valve is arranged at the liquid injection hole in a sealing mode, the first electromagnetic valve is arranged at the first through hole in a sealing mode, and the second electromagnetic valve is arranged at the second through hole in a sealing mode.
Preferably, a vertically arranged battery sleeve is arranged on the mounting position, and the upper cover is hermetically mounted on the battery sleeve;
preferably, the sealing structure is positioned on the inner wall of the lower end opening of the upper cover, and the upper cover covers the outer part of the battery sleeve and is in sealing fit with the outer wall of the battery sleeve through the sealing structure.
Preferably, still be equipped with the guide post on the base, the vertical setting of guide post is in battery telescopic one side, and the upper shield outer wall is equipped with the guide, be equipped with on the guide with guide post complex guide hole, be equipped with on the guide post and be used for carrying on spacing locating part to the guide, the locating part is located guide top and demountable installation on the guide post.
Preferably, a plurality of guide posts are arranged on the base, and the guide posts are arranged around the battery mounting position.
Preferably, the seal valve includes installation pole, pressure spring, sealing plug, and the vertical setting of installation pole is in first through-hole one side and fixed with the upper shield, and installation pole outer wall is equipped with spacing arch, and sealing plug sealing installation annotate downthehole, and the pressure spring cover is established at the installation pole outside, and the pressure spring upper end supports and leans on spacing arch and lower extreme to support and lean on the sealing plug.
Preferably, the sealing valve comprises a plurality of mounting rods arranged around the first through hole and a plurality of compression springs, each compression spring being sleeved on one of the mounting rods.
Preferably, the side wall of the sealing plug is provided with a connecting piece, and the connecting piece is provided with a mounting through hole and is sleeved on the mounting rod through the mounting through hole.
Preferably, the first through hole and the liquid pouring hole are positioned above the liquid pouring cup, and the second through hole is positioned on one side of the liquid pouring cup.
Preferably, the first electromagnetic valve is connected with a first pressure detector, when the connection tightness between the liquid filling cup and the battery to be filled is detected, the first electromagnetic valve is opened at first, the second electromagnetic valve and the sealing valve are closed, then the liquid filling cup is vacuumized through the first electromagnetic valve and then is subjected to pressure maintaining, and the change of the detection value of the first pressure detector is checked.
Preferably, the second electromagnetic valve is connected with a second pressure detector, when the tightness of the sealed liquid injection chamber is detected, the second electromagnetic valve is opened and the first electromagnetic valve and the sealing valve are closed, then the sealed liquid injection chamber is vacuumized and maintained for pressure through the second electromagnetic valve, and the change of the detection value of the second pressure detector is checked.
According to the liquid injection device for isobaric standing of the lithium battery, the upper cover is detachably and hermetically mounted on the base through the sealing structure to form a sealed liquid injection cavity on the mounting position, the liquid injection cup is located in the sealed liquid injection cavity, the bottom of the liquid injection cup is provided with the liquid outlet hole, the sealing valve is hermetically mounted at the liquid injection hole of the upper cover and communicated with the liquid injection cup through the liquid injection hole, the first electromagnetic valve is hermetically mounted at the first through hole of the upper cover and communicated with the liquid injection cup through the first through hole, and the second electromagnetic valve is hermetically mounted at the second through hole of the upper cover and communicated with the sealed liquid injection cavity through the second through hole. Through the injection device that lithium cell isobaric stews of above-mentioned optimal design, through placing the battery in the upper shield for the battery is located the enclosure space when annotating liquid, before the method that utilizes isobaric stew carries out electrolyte injection, realizes annotating the detection of liquid mouth gas tightness to sealed notes liquid cavity and battery, thereby reduces the energy consumption that isobaric notes liquid, improves notes liquid efficiency and reliability greatly.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery isostatic-pressure-standing liquid injection device provided by the invention.
FIG. 2 is a schematic view showing the gas flow direction of the lithium battery according to the present invention during the injection from the outside into the injection cup during the isostatic pressing.
FIG. 3 is a schematic view showing the flow direction of gas for injecting liquid from the outside into the liquid injection cup by isostatic pressing and static placement of a lithium battery according to the present invention.
Fig. 4 is a schematic gas flow direction diagram for detecting the air tightness of the sealed liquid injection chamber by isostatic pressing and standing of the lithium battery provided by the invention.
FIG. 5 is a schematic view showing the gas flow direction when the lithium battery according to the present invention is placed in a stationary state with equal pressure from a liquid pouring cup for pouring liquid into the battery.
Detailed Description
As shown in fig. 1 to 5, fig. 1 is a schematic structural diagram of a liquid injection device for isobaric static placement of a lithium battery provided by the invention, fig. 2 is a schematic gas flow direction diagram of liquid injection from the outside to a liquid injection cup for isobaric static placement of a lithium battery provided by the invention, fig. 3 is a schematic gas flow direction diagram of liquid injection from the outside to the liquid injection cup for isobaric static placement of a lithium battery provided by the invention, fig. 4 is a schematic gas flow direction diagram of air tightness of the sealed liquid injection chamber for isobaric static placement of a lithium battery provided by the invention, and fig. 5 is a schematic gas flow direction diagram of liquid injection from the liquid injection cup to the battery for isobaric static placement of a lithium battery provided by the.
Referring to fig. 1, the invention provides an isobaric standing liquid injection device for a lithium battery, which comprises: the device comprises a base 1, an upper cover 2, a liquid injection cup 3, a sealing valve, a first electromagnetic valve 4 and a second electromagnetic valve 5;
a battery installation position is arranged on the base 1, a sealing structure is arranged on the upper cover 2, the upper cover 2 is detachably and hermetically arranged on the base 1 through the sealing structure to form a sealed liquid injection cavity on the installation position, the liquid injection cup 3 is positioned in the sealed liquid injection cavity, a liquid inlet hole and an air guide hole are arranged on the liquid injection cup 3, a liquid outlet hole is arranged at the bottom of the liquid injection cup 3, a liquid injection hole, a first through hole and a second through hole are arranged on the upper cover 2, the liquid inlet hole is communicated with the liquid injection hole, and the air guide hole is communicated with the first through hole;
the sealing valve is hermetically arranged at the liquid filling hole, the first electromagnetic valve 4 is hermetically arranged at the first through hole, and the second electromagnetic valve 5 is hermetically arranged at the second through hole.
Referring to fig. 2 to 5, in the specific working process of the electrolyte injection device for isobaric standing of the lithium battery of the embodiment, during the detection of gas tightness before electrolyte injection, the first electromagnetic valve 4 is connected with a first pressure detector, when the connection tightness between the electrolyte injection cup 3 and the battery to be injected is detected, the first electromagnetic valve 4 is firstly opened, the second electromagnetic valve 5 and the sealing valve are closed, then the electrolyte injection cup 3 is vacuumized through the first electromagnetic valve 4 and then pressure is maintained, and the change of the detection value of the first pressure detector is checked; the second electromagnetic valve 5 is connected with a second pressure detector, when the tightness of the sealed liquid injection chamber is detected, the second electromagnetic valve 5 is firstly opened, the first electromagnetic valve 4 and the sealing valve are closed, then the sealed liquid injection chamber is subjected to pressure maintaining after being vacuumized through the second electromagnetic valve 5, and the detection value of the second pressure detector is checked to change.
In the liquid injection process, the sealing valve is opened during liquid injection, electrolyte in the liquid storage tank is pumped into the liquid injection cup through the liquid injection hole by the liquid injection pump, then the sealing valve is closed, the first electromagnetic valve and the second electromagnetic valve are simultaneously vacuumized to keep a certain process time, then nitrogen is injected through the first electromagnetic valve and the second electromagnetic valve to keep a certain process time, the rapid and stable injection of the electrolyte is realized by adjusting the pressure inside and outside the battery, and the circulation is repeated until the electrolyte is completely injected into the battery.
In this embodiment, the priming device that the isobaric of lithium cell stood that provides, the upper shield passes through seal structure detachable seal installs on the base form sealed notes liquid cavity on the installation position, annotate the liquid cup and be located in sealed notes liquid cavity, annotate liquid bottom of the cup portion and be equipped with out the liquid hole, seal valve seal installation in the notes liquid hole department of upper shield and through annotating the liquid hole with annotate liquid cup intercommunication, first solenoid valve seal installation in the first through-hole department of upper shield and through first through-hole with annotate liquid cup intercommunication, second solenoid valve seal installation in the second through-hole department of upper shield and through the second through-hole with sealed cavity intercommunication. Through the injection device that lithium cell isobaric stews of above-mentioned optimal design, through placing the battery in the upper shield for the battery is located the enclosure space when annotating liquid, before the method that utilizes isobaric stew carries out electrolyte injection, realizes annotating the detection of liquid mouth gas tightness to sealed notes liquid cavity and battery, thereby reduces the energy consumption that isobaric notes liquid, improves notes liquid efficiency and reliability greatly.
In a specific embodiment, the vertically arranged battery sleeve 6 is arranged on the mounting position, the upper cover 2 is hermetically arranged on the battery sleeve 6, and the battery is accurately positioned by arranging the battery sleeve, so that the liquid injection cup is accurately connected with the battery; in a further arrangement, the sealing structure is located on the inner wall of the lower end opening of the upper cover 2, and the upper cover 2 covers the outer part of the battery sleeve 6 and is in sealing fit with the outer wall of the battery sleeve 6 through the sealing structure.
In a further specific embodiment, the base 1 is further provided with a guide post 7, the guide post 7 is vertically arranged on one side of the battery sleeve 6, the outer wall of the upper cover 2 is provided with a guide part 11, the guide part 11 is provided with a guide hole matched with the guide post 7, the guide post 7 is provided with a limiting part 8 for limiting the guide part 11, and the limiting part 8 is located above the guide part 11 and is detachably mounted on the guide post 7.
In the battery installation, at first place the battery in the battery sleeve, the upper shield cover outside the battery sleeve and with the sealed cooperation of battery sleeve for annotate the liquid hole of liquid cup and the sealed cooperation of notes liquid mouth of battery, and it is spacing to push down the upper shield through locating part and guide post cooperation, will annotate the liquid cup and press on the battery, thereby guarantee to annotate liquid cup and battery complex reliability.
In order to improve the reliability of the matching of the upper cover and the battery sleeve, a plurality of guide posts 7 are arranged on the base 1, and the plurality of guide posts 7 are arranged around the battery mounting position.
In the concrete implementation mode of seal valve, the seal valve includes installation pole 9, pressure spring 10, sealing plug 13, and installation pole 9 is vertical to be set up in first through-hole one side and fixed with upper shield 2, and installation pole 9 outer wall is equipped with spacing arch, and sealing plug 13 seal installation annotates the liquid downthehole, and pressure spring 10 cover is established in installation pole 9 outside, and pressure spring 10 upper end is supported and is leaned on spacing arch and lower extreme and lean on sealing plug 13, and during sealed, through pressure spring with the sealing plug pressure in annotating liquid hole department, further guarantee sealed effect.
In a further embodiment, the sealing valve comprises a plurality of mounting rods 9 and a plurality of compression springs 10, the plurality of mounting rods 9 being arranged around the first through hole, each compression spring 10 fitting over one mounting rod 9.
In order to improve the sealing performance of the sealing plug, in other specific embodiments, a connecting piece 12 is arranged on the side wall of the sealing plug 13, a mounting through hole is arranged on the connecting piece 12, the mounting through hole is sleeved on the mounting rod 9, and the compression spring compresses the sealing plug through the connecting piece.
In the specific arrangement of the through holes, the first through hole and the liquid injection hole are positioned above the liquid injection cup 3, and the second through hole is positioned on one side of the liquid injection cup 3.
In a specific installation mode, a plurality of battery installation positions can be arranged on the base, a plurality of upper covers matched with the battery installation positions are correspondingly arranged and connected to form an integrated structure, and the electromagnetic valves and the sealing valves are communicated with corresponding through holes in the upper covers respectively, so that batch detection and liquid injection of batteries are realized, and batch processing is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a priming device that lithium cell isobaric stood which characterized in that includes: the device comprises a base (1), an upper cover (2), a liquid injection cup (3), a sealing valve, a first electromagnetic valve (4) and a second electromagnetic valve (5);
a battery installation position is arranged on the base (1), a sealing structure is arranged on the upper cover (2), the upper cover (2) is detachably and hermetically arranged on the base (1) through the sealing structure to form a sealed liquid injection cavity on the installation position, the liquid injection cup (3) is positioned in the sealed liquid injection cavity, a liquid inlet and an air guide hole are arranged on the liquid injection cup (3), a liquid outlet is arranged at the bottom of the liquid injection cup (3), the upper cover (2) is provided with a liquid injection hole, a first through hole and a second through hole, the liquid inlet is communicated with the liquid injection hole, and the air guide hole is communicated with the first through hole;
the sealing valve is hermetically arranged at the liquid injection hole, the first electromagnetic valve (4) is hermetically arranged at the first through hole, and the second electromagnetic valve (5) is hermetically arranged at the second through hole;
the mounting position is provided with a vertically arranged battery sleeve (6), and the upper cover (2) is hermetically mounted on the battery sleeve (6);
still be equipped with guide post (7) on base (1), the vertical setting in one side of battery sleeve (6) of guide post (7), upper shield (2) outer wall is equipped with guide (11), be equipped with on guide (11) with guide post (7) complex guide hole, be equipped with on guide post (7) and be used for carrying out spacing locating part (8) to guide (11), locating part (8) are located guide (11) top and demountable installation on guide post (7).
2. The lithium battery isobaric static liquid injection device according to claim 1, characterized in that the sealing structure is positioned on the lower end opening inner wall of the upper cover (2), the upper cover (2) covers the outside of the battery sleeve (6) and is in sealing fit with the outer wall of the battery sleeve (6) through the sealing structure.
3. The lithium battery isostatic-standing liquid injection device according to claim 1, wherein a plurality of guide posts (7) are provided on the base (1), and the plurality of guide posts (7) are arranged around the battery mounting position.
4. The lithium battery isobaric static liquid injection device according to claim 1, characterized in that the sealing valve comprises a mounting rod (9), a compression spring (10) and a sealing plug (13), the mounting rod (9) is vertically arranged on one side of the first through hole and fixed with the upper cover (2), a limiting protrusion is arranged on the outer wall of the mounting rod (9), the sealing plug (13) is hermetically arranged in the liquid injection hole, the compression spring (10) is sleeved outside the mounting rod (9), the upper end of the compression spring (10) abuts against the limiting protrusion, and the lower end of the compression spring (10) abuts against the sealing plug (13).
5. The lithium battery isostatic-resting liquid injection device according to claim 4, wherein the sealing valve comprises a plurality of mounting rods (9) and a plurality of compression springs (10), the plurality of mounting rods (9) being arranged around the first through hole, each compression spring (10) being fitted over one mounting rod (9).
6. The lithium battery isobaric static liquid injection device according to claim 4, characterized in that the side wall of the sealing plug (13) is provided with a connecting piece (12), the connecting piece (12) is provided with a mounting through hole and is sleeved on the mounting rod (9) through the mounting through hole.
7. The lithium battery isostatic-standing liquid injection device according to claim 1, wherein the first through hole and the injection hole are located above the liquid injection cup (3), and the second through hole is located on one side of the liquid injection cup (3).
8. The lithium battery isobaric static electrolyte injection device according to claim 1, characterized in that a first pressure detector is connected to the first electromagnetic valve (4), when the connection tightness between the electrolyte injection cup (3) and the battery to be injected is detected, the first electromagnetic valve (4) is firstly opened, the second electromagnetic valve (5) and the sealing valve are closed, then the electrolyte injection cup (3) is vacuumized through the first electromagnetic valve (4) and then pressure is maintained, and the change of the detection value of the first pressure detector is checked.
9. The lithium battery isostatic-standing liquid injection device according to claim 1 or 8, wherein a second pressure detector is connected to the second electromagnetic valve (5), and when the sealing performance of the sealed liquid injection chamber is detected, the second electromagnetic valve (5) is opened and the first electromagnetic valve (4) and the sealing valve are closed, and then the sealed liquid injection chamber is vacuumized through the second electromagnetic valve (5), and then pressure is maintained, and the change of the detection value of the second pressure detector is checked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811196318.6A CN109216645B (en) | 2018-10-15 | 2018-10-15 | Liquid injection device for isobaric standing of lithium battery |
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| 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 |
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| CN109216645A CN109216645A (en) | 2019-01-15 |
| CN109216645B true CN109216645B (en) | 2021-07-06 |
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Families Citing this family (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 |
| 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 |
| 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 | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882674A (en) * | 2010-05-05 | 2010-11-10 | 浙江天能能源科技有限公司 | Lithium battery priming device and technology thereof |
| 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
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882674A (en) * | 2010-05-05 | 2010-11-10 | 浙江天能能源科技有限公司 | Lithium battery priming device and technology thereof |
| 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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