WO2022255592A1 - 진공호퍼 프리챠져 - Google Patents
진공호퍼 프리챠져 Download PDFInfo
- Publication number
- WO2022255592A1 WO2022255592A1 PCT/KR2022/002518 KR2022002518W WO2022255592A1 WO 2022255592 A1 WO2022255592 A1 WO 2022255592A1 KR 2022002518 W KR2022002518 W KR 2022002518W WO 2022255592 A1 WO2022255592 A1 WO 2022255592A1
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- WO
- WIPO (PCT)
- Prior art keywords
- vacuum
- secondary battery
- coupled
- hopper
- manifold
- Prior art date
Links
- 239000008151 electrolyte solution Substances 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 abstract description 48
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000007872 degassing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000003172 battery degassing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Images
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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
-
- 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
- H01M50/691—Arrangements or processes for draining liquids from casings; Cleaning battery or cell casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a vacuum hopper precharger, and more specifically, to discharge the electrolyte of a secondary battery and the gas contained in the electrolyte through a gas removing unit, supply the electrolyte to the secondary battery, and charge the secondary battery through the charging unit. It relates to a vacuum hopper precharger that enables supply and charging of electrolyte at the same time.
- Secondary batteries which are highly applicable to each product group and have electrical characteristics such as high energy density, are used not only in portable devices but also in electric vehicles (EVs) or hybrid electric vehicles (HEVs) driven by an electrical driving source. It is universally applied. These secondary batteries are attracting attention as a new energy source for improving energy efficiency and eco-friendliness in that they do not generate any by-products due to the use of energy as well as the primary advantage of dramatically reducing the use of fossil fuels.
- EVs electric vehicles
- HEVs hybrid electric vehicles
- a battery pack may be configured by connecting a plurality of battery cells in series.
- a battery pack may be configured by connecting a plurality of battery cells in parallel according to a charge/discharge capacity required for the battery pack. Accordingly, the number of battery cells included in the battery pack may be variously set according to a required output voltage or charge/discharge capacity.
- a battery module composed of at least one battery cell is first configured, and other components are added using the at least one battery module to form a battery pack. How to configure is common.
- These battery cells are lithium polymer batteries, and pouch-type secondary batteries have recently been widely used.
- Pouch-type secondary batteries have high energy density per unit weight and volume, and are easily used to make battery cells thinner and lighter.
- a conventional manufacturing method of a battery cell as a pouch-type secondary battery is as follows.
- a positive electrode plate and a negative electrode plate are manufactured, a separator is interposed therebetween, and then stacked to manufacture an electrode assembly.
- a plasticizer DBP
- an electrode tab is welded to an electrode lead of the electrode assembly to be embedded inside the pouch case.
- the electrolyte solution is injected into the pouch case so that the electrode assembly is impregnated with the electrolyte solution.
- the edge of the pouch case is joined by thermal fusion to seal the pouch case.
- an aging process is performed to stabilize the assembled battery cell as described above, and then a charge/discharge process is performed to activate the battery cell.
- the secondary battery degassing device of Patent Document 1 includes a chamber 200 installed on the upper part of the base 100 as shown in FIG.
- the chamber 200 is characterized in that it consists of an upper chamber 210 that moves up and down and a lower chamber 220 installed by a fixed leg 110 on the upper surface of the base 100. .
- the battery cell degassing device of Patent Document 2 is a battery cell degassing device for degassing a battery cell having a gas pocket portion 59 as shown in FIG. 2, wherein the battery cell a chamber cover 100 detachably seated; a vacuum chamber 200 coupled to the chamber cover 100 as the chamber cover 100 slides in a horizontal direction and accommodating the battery cells in a vacuum atmosphere; a piercing unit 300 provided in the vacuum chamber 200 and piercing a part of the gas pocket part 59; and a pressure unit 400 provided in the vacuum chamber 200 to be spaced apart from the piercing unit 300 and flattening upper and lower surfaces of the battery cell and discharging gas inside the battery cell to the outside of the battery cell. ); It is characterized in that it includes.
- the present applicant filed a prior application for and registered the vacuum hopper precharger of Patent Document 3, and the vacuum hopper precharger of Patent Document 3 is placed on the ground as shown in FIG. a base frame 20 having a space 21; a gas removal unit 30 installed on the upper part of the inner space 21 of the base frame 20 and removing gas inside the secondary battery 100; It is installed in the lower part of the position corresponding to the gas removal part 30 in the inner space 21 of the base frame 20, and the secondary battery 100 is placed on the upper part, and the secondary battery 100 is moved up and down.
- the vacuum hopper precharger sucks the electrolyte and gas contained in the electrolyte of the square-shaped secondary battery through a vacuum hopper, and the gas contained in the electrolyte is discharged to the outside, and the electrolyte is stored in the vacuum nozzle of the vacuum hopper. It is to be supplied to the inside of the secondary battery, and the present applicant has developed a device capable of supplying and charging the electrolyte of the circular secondary battery against this background.
- the present invention has been proposed to improve such conventional problems, and the electrolyte of the secondary battery and the gas contained in the electrolyte are discharged to the outside through the gas removal unit, the electrolyte is supplied to the secondary battery, and the secondary battery is charged through the charging unit. It is a task to be solved to provide a new type of vacuum hopper precharger that enables supply and charging of electrolyte at the same time by enabling this.
- the task to be solved is to provide a new type of vacuum hopper precharger that can reduce and increase lifespan.
- a feature of the present invention for achieving the above object, it has a lower plate 21 fixed to the ground, and the upper plate formed at the end of the support bar 22 formed upward from the upper part of the lower plate 21 ( 23) and a base frame 20 having an intermediate plate 24 formed on the support bar 22; a tray 30 positioned above the intermediate plate 24 and in which the secondary battery 100 is placed; a gas removal unit 40 installed under the upper plate 23 of the base frame 20 and removing gas inside the secondary battery 100; a lower plate 21 of the base frame 20 is installed on the upper portion, and a charging unit 50 for charging the secondary battery 100; a moving part 60 fixed to the intermediate plate 24 and vertically moving the gas removing part 40 and the filling part 50; It is characterized in that it includes a control unit 70 for controlling the gas removal unit 40, the charging unit 50 and the moving unit 60.
- the gas removal unit 40 includes a fixing unit 41 installed under the upper plate 23; It is coupled to the lower part of the fixing part 41 and includes vacuum hoppers 80 and 90 for removing gas inside the secondary battery 100 .
- the vacuum hopper 80 includes a coupling bar 81 coupled to the lower portion of the fixing part 41; a vacuum manifold 82 coupled to the lower portion of the coupling bar 81 and having a plurality of vacuum holes 821 formed therein so as to penetrate from the upper surface to the lower surface; a cover 83 formed to cover an upper portion of the vacuum manifold 82; Couplers 84 coupled to both front surfaces of the vacuum manifold 83, communicating with the vacuum hole 821 of the vacuum manifold 82, and connected to a vacuum pump and an air pump on one side; a connecting pipe 85 connecting the couplers 84; A vacuum nozzle 86 having a cylindrical shape with a hollow 861 formed therein, coupled through the lower part of the vacuum hole 821 of the vacuum manifold 82, and storing the electrolyte solution sucked from the secondary battery 100 class; The upper portion is coupled to the cover 83, inserted through the upper portion of the vacuum hole 821 of the vacuum
- the upper part is coupled to both ends of the vacuum manifold 82, and the lower part includes a support holder 88 for supporting the lower part of the vacuum nozzle 86.
- the vacuum nozzle 86 is formed in a cylindrical shape with a hollow 861 formed therein, and the vacuum hole 821 of the vacuum manifold 82 is formed on the upper part of the outer peripheral surface.
- a body 863 having a hooking end 862 inserted through a lower portion and storing the electrolyte solution sucked from the secondary battery 100; an O-ring 864 formed on the hanging end 862 of the body 863 and sealing the vacuum hole 821 of the vacuum manifold 82; an elastic member 865 formed at the bottom of the hooking end 862 of the body 863; a fixture 866 formed under the elastic member 865 to prevent separation of the elastic member 865; It is characterized in that it includes a pad 867 coupled to an end of the body 863 and in close contact with an upper portion of the secondary battery 100 .
- the vacuum hopper 90 includes a coupling bar 91 coupled to a lower portion of the fixing part 41; a vacuum manifold 92 coupled to the bottom of the coupling bar 91 and having a plurality of vacuum grooves 921 formed from the bottom to the top; a communication pipe 93 formed to communicate with the vacuum groove 921 of the vacuum manifold 92; Couplers 94 coupled to both front surfaces of the vacuum manifold 92, communicating with the vacuum groove 921 of the vacuum manifold 92, and connected to a vacuum pump and an air pump on one side; A vacuum nozzle 95 having a cylindrical shape with a hollow 951 formed therein, coupled through the lower part of the vacuum groove 921 of the vacuum manifold 92, and storing the electrolyte solution sucked from the secondary battery 100 class; It is characterized in that the upper part is coupled to both ends of the vacuum manifold 92, and the lower part includes a support holder 96 for supporting the lower part of the vacuum
- the vacuum nozzle 95 is formed in a cylindrical shape with a hollow 951 formed therein, and has a through hole 952 formed on the outer circumferential surface of the upper side, and the secondary a body 953 in which the electrolyte solution sucked from the battery 100 is stored; a sealing hole 954 formed from an upper surface of the body 953 to a lower side of the through hole 952 to seal the hollow 951; a cover body 955 formed in a cylindrical shape to surround an upper outer circumferential surface of the body 953 and having a lower portion fixed to the support holder 96; an O-ring 956 formed on the upper part of the hollow 951 of the body 953 and closely attached to the inner circumferential surface of the cover body 955 to seal the vacuum groove 942 of the vacuum manifold 92; an elastic member 957 formed under the cover body 955; a fixture 958 formed on the lower part of the body 953 to prevent the elastic member 957 from leaving; It is characterized
- the base frame 20 has an auxiliary frame 25 installed below the intermediate plate 24, and the filling part 50 is the auxiliary frame 25 ) and a temperature sensor 51 for checking the temperature of the secondary battery 100 by being connected to the control unit 70; It is installed on the auxiliary frame 25 and includes a negative electrode probe 52 for charging the secondary battery 100.
- the electrolyte of the secondary battery and the gas contained in the electrolyte are discharged to the outside through the gas removal unit, the electrolyte is supplied to the secondary battery, and the secondary battery can be charged through the charging unit. This has the effect of simultaneously supplying and charging the electrolyte.
- the electrolyte of the secondary battery and the gas contained in the electrolyte are sucked through the vacuum hopper, and the gas contained in the electrolyte is discharged to the outside. It has the effect of reducing and prolonging life.
- FIG. 4 is a perspective view of a vacuum hopper precharger according to a preferred embodiment of the present invention.
- FIG. 5 is a front view of a vacuum hopper precharger according to a preferred embodiment of the present invention.
- FIG. 6 is a side view of a vacuum hopper precharger according to a preferred embodiment of the present invention.
- FIG. 7 is a view showing a vacuum hopper in a vacuum hopper precharger according to a preferred embodiment of the present invention.
- FIG. 8 is a view showing a vacuum nozzle of a vacuum hopper in a vacuum hopper precharger according to a preferred embodiment of the present invention.
- FIG. 9 is a view showing the operation of the vacuum nozzle of the vacuum hopper of FIG. 7;
- FIG. 10 is a view showing another embodiment of a vacuum hopper in a vacuum hopper precharger according to a preferred embodiment of the present invention.
- FIG. 11 is a view showing a vacuum nozzle of a vacuum hopper according to another embodiment in a vacuum hopper precharger according to a preferred embodiment of the present invention
- FIG. 12 is a view showing the operation of the vacuum nozzle of the vacuum hopper of FIG. 10;
- FIG. 13 is a view showing a filling part in a vacuum hopper precharger according to a preferred embodiment of the present invention.
- the vacuum hopper precharger 10 includes a base frame 20, a tray 30, a gas removal unit 40, a charging unit 50, and a moving unit. (60) and a control unit (70).
- the base frame 20 has a lower plate 21 fixed to the ground, and has an upper plate 23 formed at the end of a support bar 22 formed upward from the top of the lower plate 21, and a support bar 22 ) has an intermediate plate 24 formed on it.
- the base frame 20 has an auxiliary frame 25 formed between the lower plate 21 and the middle plate 24, and is moved up and down by the moving unit 60.
- the auxiliary frame 25 includes a plate-shaped auxiliary plate 251 and a plurality of fixtures 252 formed on the upper side of the auxiliary plate 251 to which the charging unit 50 is fixed.
- the tray 30 is one in which a plurality of secondary batteries 100 are placed, and is positioned above the middle plate 24 of the base frame 20 .
- the tray 30 configures a heating unit inside so that the heat generated from the heating unit circulates inside the vacuum hopper precharger to transfer heat to the entire secondary battery, thereby increasing the activity of the electrolyte inside the secondary battery. As a result, a lot of residual gas and impurities are discharged, so that the purity of the secondary battery can be increased.
- the gas removing unit 40 is installed on the lower part of the upper plate 23 of the base frame 20 and is for removing gas inside the secondary battery 100, and is a fixing part installed on the lower part of the upper plate 23. (41) and a vacuum hopper (80) coupled to the lower part of the fixing part (41) to remove gas inside the secondary battery (100).
- FIG. 7 is a view showing a vacuum hopper in a vacuum hopper precharger according to a preferred embodiment of the present invention
- FIG. 8 is a view showing a vacuum nozzle of a vacuum hopper in a vacuum hopper precharger according to a preferred embodiment of the present invention
- 9 is a view showing the operation of the vacuum nozzle of the vacuum hopper of FIG. 7 .
- the vacuum hopper 80 is coupled to a coupling bar 81 coupled to the lower portion of the fixing part 41 and coupled to the lower portion of the coupling bar 81, passing through from the upper surface to the lower surface.
- a vacuum manifold 82 having a plurality of vacuum holes 821 formed as much as possible, a cover 83 formed to cover the upper part of the vacuum manifold 82, and coupled to both front surfaces of the vacuum manifold 83,
- a coupler 84 connected to the vacuum pump and the air pump on one side, a connection pipe 85 connecting between the couplers 84, and the inside It is made of a cylindrical shape with a hollow 861 formed therein and is coupled through the lower part of the vacuum hole 821 of the vacuum manifold 82, and the vacuum nozzle 86 in which the electrolyte solution sucked from the secondary battery 100 is stored, and the upper part is coupled to the cover 83, is inserted through the upper part of
- the vacuum nozzle 86 is made of a cylindrical shape with a hollow 861 formed therein, and a hooking end 862 is inserted into the upper part of the outer circumferential surface through the lower part of the vacuum hole 821 of the vacuum manifold 82. It is formed on the body 863 storing the electrolyte solution sucked from the secondary battery 100 and the hanging end 862 of the body 863, and is sealed with the vacuum hole 821 of the vacuum manifold 82.
- an elastic member 865 formed at the bottom of the hooking end 862, and formed at the bottom of the elastic member 865 to prevent the departure of the elastic member 865 It includes a fixture 866 and a pad 867 coupled to an end of the body 863 and in close contact with the upper portion of the secondary battery 100 .
- the vacuum nozzle 86 moves upward to open and close the opening. (87) and space is generated. Thereafter, when the vacuum pump is operated, the vacuum hole 821 of the vacuum manifold 82 and the hollow 861 of the vacuum nozzle 86 become in a vacuum state, and the electrolyte of the secondary battery 100 flows through the vacuum nozzle 86. It is located in the hollow 861. At this time, the gas contained in the electrolyte is discharged to the exhaust device of the vacuum pump.
- FIG. 10 is a view showing another embodiment of a vacuum hopper in a vacuum hopper precharger according to a preferred embodiment of the present invention
- FIG. 11 is a vacuum hopper according to another embodiment in a vacuum hopper precharger according to a preferred embodiment of the present invention
- 12 is a view showing the operation of the vacuum nozzle of the vacuum hopper of FIG. 10 .
- the vacuum hopper 90 is a coupling bar coupled to the lower part of the fixing part 41 ( 91), a vacuum manifold 92 coupled to the lower portion of the coupling bar 91 and having a plurality of vacuum grooves 921 formed from the lower portion to the upper side, and the vacuum groove 921 of the vacuum manifold 92
- the communication pipe 93 formed to be in communication with the front surface of both sides of the vacuum manifold 92, communicates with the vacuum groove 921 of the vacuum manifold 92, and is connected to the vacuum pump and the air pump on one side It consists of a coupling hole 94 and a cylindrical shape with a hollow 951 formed therein, and is coupled through the lower part of the vacuum groove 921 of the vacuum manifold 92, and the electrolyte solution sucked from the secondary battery 100 is stored.
- the vacuum nozzle 95 and the upper part are coupled to both ends of
- the vacuum nozzle 95 is formed in a cylindrical shape with a hollow 951 formed therein, and has a through hole 952 formed on the outer circumferential surface of the upper side, and the electrolyte solution sucked from the secondary battery 100 is stored.
- a body 953 formed from the upper surface of the body 953 to the lower side of the through hole 952 and a sealing hole 954 for sealing the hollow 951, and an upper outer circumferential surface of the body 953 formed in a cylindrical shape.
- the vacuum nozzle 95 moves upward,
- the through hole 952 formed in the body 953 of the vacuum nozzle 95 communicates with the vacuum groove 921 of the vacuum manifold 92 .
- the vacuum groove 921 of the vacuum manifold 92 and the hollow 951 of the vacuum nozzle 95 become in a vacuum state, and the electrolyte of the secondary battery 100 flows through the vacuum nozzle 95. It is located in the hollow 951. At this time, the gas contained in the electrolyte is discharged to the exhaust device of the vacuum pump.
- the charging unit 50 is installed on the lower plate 21 of the base frame 20 and is for charging the secondary battery 100, and is installed on the fixture 252 of the auxiliary frame 25, and the control unit 70 ) and a temperature sensor 51 for checking the temperature of the secondary battery 100 and a negative electrode probe installed on the fixture 252 of the auxiliary frame 25 and charging the secondary battery 100 ( 52) is included.
- the temperature sensor 51 is connected to the controller 70 through a cable.
- the temperature sensor 51 and the cathode probe 52 of the charging unit 50 are formed in plurality so that the auxiliary frame 25 corresponds to the fixture 252 .
- the moving part 60 is fixed to the intermediate plate 24 and is for moving the gas removing part 40 and the filling part 50 up and down, and includes a cylinder 61 and a cylinder rod 62.
- the cylinder 61 is installed on the lower part of the fixing part 41 of the gas removing part 40 and the upper part of the auxiliary frame 50 of the base frame 20, respectively, and the cylinder rod 61 has one side of the cylinder 61 Is connected to, the other side is coupled to the middle plate 24 of the base frame 20 and the lower plate 21 of the base frame 20, respectively.
- the controller 70 controls the gas removal unit 40, the charging unit 50, and the moving unit 60, and in the vacuum hopper precharger 10 according to a preferred embodiment of the present invention, the base frame 20 and Although shown as being installed spaced apart, it will be able to be installed on the side of the base frame (20).
- the electrolyte of the secondary battery and the gas contained in the electrolyte are discharged to the outside through the gas removal unit, the electrolyte is supplied to the secondary battery, and the secondary battery can be charged through the charging unit. This has the effect of simultaneously supplying and charging the electrolyte.
- the electrolyte of the secondary battery and the gas contained in the electrolyte are sucked through the vacuum hopper, and the gas contained in the electrolyte is discharged to the outside. It has the effect of reducing and prolonging life.
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
Description
Claims (7)
- 지면에 고정되는 하부판(21)을 갖고, 상기 하부판(21)의 상부에서 상측으로 형성되는 지지바(22)의 끝단에 형성되는 상부판(23)을 가지며, 상기 지지바(22) 상에 형성되는 중간 판(24)을 갖는 베이스 프레임(20)과;상기 중간판(24)의 상부에 위치되고, 내부에 이차 전지(100)가 안치되는 트레이(30)와;상기 베이스 프레임(20)의 상부판(23)의 하부에 설치되고, 상기 이차 전지(100) 내부의 가스를 제거하기 위한 가스제거부(40)와;상기 베이스 프레임(20)의 하부판(21)이 상부에 설치되고, 상기 이차 전지(100)를 충전하기 위한 충전부(50)와;상기 중간판(24)에 고정되고, 상기 가스제거부(40)와 충전부(50)를 상하로 이동시키기 위한 이동부(60)와;상기 가스제거부(40), 충전부(50) 및 이동부(60)를 제어하기 위한 제어부(70)를 포함하는 것을 특징으로 하는 진공호퍼 프리챠져.
- 제 1 항에 있어서, 상기 가스제거부(40)는 상기 상부판(23)의 하부에 설치되는 고정부(41)와;상기 고정부(41)의 하부에 결합되고, 상기 이차 전지(100) 내부의 가스를 제거하기 위한 진공호퍼(80, 90)을 포함하는 것을 특징으로 하는 진공호퍼 프리챠져.
- 제 2 항에 있어서,상기 진공호퍼(80)는 상기 고정부(41)의 하부에 결합되는 결합바(81)와;상기 결합바(81)의 하부에 결합되고, 상면에서 하면으로 관통되도록 복수개의 진공홀 (821)이 형성된 진공 매니폴드(82)와;상기 진공 매니폴드(82)의 상부를 덮도록 형성되는 덮개(83)와;상기 진공 매니폴드(83)의 양측 전면에 결합되고, 상기 진공 매니폴드(82)의 진공홀(821) 과 연통되며, 일측에 진공펌프 및 에어펌프와 연결되는 결합구(84)와;상기 결합구(84) 사이를 연결하는 연결관(85)과;내부에 중공(861)이 형성된 원통형상으로 이루어져 상기 진공 매니폴드(82)의 진공홀 (821)의 하부를 통해 결합되며, 상기 이차 전지(100)로부터 흡입한 전해액이 저장되는 진공노즐(86)과;상부가 상기 덮개(83)에 결합되고, 상기 진공 매니폴드(82)의 진공홀(821)의 상부를 통해 삽입되며, 하부가 상기 진공노즐(86)의 중공(861)과 대응되는 크기로 형성되어 상기 진공 노즐(86)의 상부에 위치되고, 상기 진공노즐(86)의 상하 이동에 의해 상기 진공노즐(86) 의 상부 중공(861)이 개폐되도록 하는 개폐구(87)와;상부가 상기 진공 매니폴드(82)의 양측단에 결합되고, 하부가 상기 진공노즐(86)의 하부를 지지하기 위한 지지홀더(88)를 포함하는 것을 특징으로 하는 진공호퍼 프리챠져.
- 제 3 항에 있어서,상기 진공노즐(86)은 내부에 중공(861)이 형성된 원통형상으로 이루어지고, 외주면의 상부에 상기 진공 매니폴드(82)의 진공홀(821)의 하부를 통해 삽입되도록 걸림단(862)을 가지며, 상기 이차 전지(100)로부터 흡입한 전해액이 저장되는 몸체(863)와;상기 몸체(863)의 걸림단(862) 상에 형성되고, 상기 진공 매니폴드(82)의 진공홀(821)과 밀폐를 위한 오링(864)과;상기 몸체(863)의 걸림단(862)의 하부에 형성되는 탄성부재(865)와;상기 탄성부재(865)의 하부에 형성되어 상기 탄성부재(865)의 이탈을 방지하기 위한 고정구(866)와;상기 몸체(863)의 끝단에 결합되고, 상기 이차 전지(100)의 상부와 밀착되는 패드(867)를 포함하는 것을 특징으로 하는 진공호퍼 프리챠져.
- 제 2 항에 있어서,상기 진공호퍼(90)는 상기 고정부(41)의 하부에 결합되는 결합바(91)와;상기 결합바(91)의 하부에 결합되고, 하부에서 상측으로 형성되는 복수개의 진공홈(921) 을 갖는 진공 매니폴드(92)와;상기 진공 매니폴드(92)의 진공홈(921)이 연통되도록 형성되는 연통관(93)과;상기 진공 매니폴드(92)의 양측 전면에 결합되고, 상기 진공 매니폴드(92)의 진공홈(921) 과 연통되며, 일측에 진공펌프 및 에어펌프와 연결되는 결합구(94)와;내부에 중공(951)이 형성된 원통형상으로 이루어져 상기 진공 매니폴드(92)의 진공홈 (921)의 하부를 통해 결합되며, 상기 이차 전지(100)로부터 흡입한 전해액이 저장되는 진공노즐(95)과;상부가 상기 진공 매니폴드(92)의 양측단에 결합되고, 하부가 상기 진공노즐(95)의 하부를 지지하기 위한 지지홀더(96)를 포함하는 것을 특징으로 하는 진공호퍼 프리챠져.
- 제 5 항에 있어서,상기 진공노즐(95)은 내부에 중공(951)이 형성된 원통형상으로 이루어지고, 상부측의 외주면 상에 형성되는 관통홀(952)을 기지며, 상기 이차 전지(100)로부터 흡입한 전해액이 저장되는 몸체(953)와;상기 몸체(953)의 상면에서 상기 관통홀(952)의 하측까지 형성되어 상기 중공(951)을 밀폐시키기 위한 밀폐구(954)와;원통형상으로 이루어져 상기 몸체(953)의 상부 외주면을 감싸도록 형성되고, 하부가 상기 지지홀더(96)에 고정되는 커버체(955)와;상기 몸체(953)의 중공(951)의 상부에 형성되고, 상기 커버체(955)의 내주면과 밀착되어 상기 진공 매니폴드(92)의 진공홈(942)과 밀폐를 위한 오링(956)과;상기 커버체(955)의 하부에 형성되는 탄성부재(957)와;상기 몸체(952)의 하부에 형성되어 상기 탄성부재(957)의 이탈을 방지하기 위한 고정구 (958)와;상기 몸체(952)의 끝단에 결합되고, 상기 이차 전지(100)의 상부와 밀착되는 패드(959)를 포함하는 것을 특징으로 하는 진공호퍼 프리챠져.
- 제 1 항에 있어서,상기 베이스 프레임(20)은 상기 중간판(24)을 기준으로 하부에 설치되는 보조프레임(25)을 갖고,상기 충전부(50)는 상기 보조프레임(25) 상에 설치되고, 상기 제어부(70)와 접속되어 상기 이차 전지(100)의 온도를 확인하기 위한 온도센서(51)와;상기 보조프레임(25) 상에 설치되고, 상기 이차 전지(100)를 충전하기 위한 음양극프로브 (52)를 포함하는 것을 특징으로 하는 진공호퍼 프리챠져.
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