WO2016195451A1 - 전지팩 기능 검사장치 - Google Patents
전지팩 기능 검사장치 Download PDFInfo
- Publication number
- WO2016195451A1 WO2016195451A1 PCT/KR2016/005983 KR2016005983W WO2016195451A1 WO 2016195451 A1 WO2016195451 A1 WO 2016195451A1 KR 2016005983 W KR2016005983 W KR 2016005983W WO 2016195451 A1 WO2016195451 A1 WO 2016195451A1
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- WO
- WIPO (PCT)
- Prior art keywords
- battery pack
- test
- carrier jig
- unit
- jig
- Prior art date
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 functional test apparatus of a battery pack.
- secondary batteries capable of charging and discharging have been widely used as energy sources of wireless mobile devices.
- the secondary battery has attracted attention as an energy source of electric vehicles, hybrid electric vehicles, etc. which are proposed as a solution for air pollution of conventional gasoline and diesel vehicles using fossil fuel. Therefore, the type of applications using the secondary battery is very diversified due to the advantages of the secondary battery, and it is expected that the secondary battery will be applied to many fields and products in the future.
- Such secondary batteries may be classified into lithium ion batteries, lithium ion polymer batteries, lithium polymer batteries, etc. according to the composition of the electrode and the electrolyte, and among them, there is little possibility of leakage of the electrolyte, and the amount of lithium ion polymer batteries that are easy to manufacture is high.
- the secondary battery is a cylindrical battery and a rectangular battery in which the electrode assembly is embedded in a cylindrical or rectangular metal can, and a pouch type battery in which the electrode assembly is embedded in a pouch type case of an aluminum laminate sheet according to the shape of the battery case.
- the electrode assembly embedded in the battery case is composed of a positive electrode, a negative electrode, and a separator structure interposed between the positive electrode and the negative electrode is a power generator capable of charging and discharging, between the long sheet type positive electrode and the negative electrode coated with the active material It is classified into a jelly-roll type wound through a separator and a stack type in which a plurality of positive and negative electrodes of a predetermined size are sequentially stacked in a state interposed in the separator.
- quality control is to check whether it provides the desired performance and safety.
- quality control is to determine whether the secondary battery has a normal charging and discharging performance to produce a good product while screening out defective products. This quality control is well made it is possible to produce a high quality secondary battery.
- the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
- an object of the present invention is to test the function of the battery pack while the loading unit, the test unit and the unloading unit continuously operating in an automated system structure, thereby efficiently separating the good or bad battery packs and It is to provide a battery pack function test apparatus that can effectively perform a function test.
- Battery pack function test apparatus for achieving this object, as a device for checking the function of the battery pack,
- the battery pack function inspection apparatus is an automated system structure, and the loading unit, the test unit and the unloading unit is continuously operated with each other to check the function of the battery pack, thereby efficiently checking the good or bad battery pack It can be removed and effectively perform the functional check of the battery pack.
- the battery pack includes one or more plate-shaped battery cells.
- the plate-shaped battery cell may be a pouch-type battery cell having a structure in which the electrode assembly is built in a laminate sheet battery case including a resin layer and a metal layer, for example, may be a lithium secondary battery.
- the lithium secondary battery is composed of a positive electrode, a negative electrode, a separator and a lithium-containing non-aqueous electrolyte.
- the positive electrode may be prepared by, for example, applying a slurry made by mixing a positive electrode mixture with a solvent such as NMP onto a negative electrode current collector, followed by drying and rolling.
- the positive electrode mixture may optionally include a conductive material, a binder, a filler, etc. in addition to the positive electrode active material.
- the conductive material is typically added in an amount of 1 to 30 wt% based on the total weight of the mixture including the positive electrode active material.
- a conductive material is not particularly limited as long as it has conductivity without causing chemical change in the battery, and examples thereof include graphite such as natural graphite and artificial graphite; Carbon blacks such as carbon black, acetylene black, Ketjen black, channel black, furnace black, lamp black, and summer black; Conductive fibers such as carbon fibers and metal fibers; Metal powders such as carbon fluoride powder, aluminum powder and nickel powder; Conductive whiskeys such as zinc oxide and potassium titanate; Conductive metal oxides such as titanium oxide; Conductive materials such as polyphenylene derivatives and the like can be used.
- the binder is a component that assists the bonding of the active material and the conductive material to the current collector, and is generally added in an amount of 1 to 30 wt% based on the total weight of the mixture including the positive electrode active material.
- binders include polyvinylidene fluoride, polyvinyl alcohol, carboxymethyl cellulose (CMC), starch, hydroxypropyl cellulose, regenerated cellulose, polyvinylpyrrolidone, tetrafluoroethylene, polyethylene , Polypropylene, ethylene-propylene-diene terpolymer (EPDM), sulfonated EPDM, styrene butylene rubber, fluorine rubber, various copolymers and the like.
- the filler is optionally used as a component for inhibiting the expansion of the electrode, and is not particularly limited as long as it is a fibrous material without causing chemical change in the battery.
- the filler include olefinic polymers such as polyethylene and polypropylene; Fibrous materials, such as glass fiber and carbon fiber, are used.
- the positive electrode current collector is generally made to a thickness of 3 to 500 ⁇ m. Such a positive electrode current collector is not particularly limited as long as it has conductivity without causing chemical change in the battery.
- the positive electrode current collector may be formed on a surface of stainless steel, aluminum, nickel, titanium, calcined carbon, or aluminum or stainless steel. Surface-treated with carbon, nickel, titanium, silver, and the like can be used.
- the current collector may form fine irregularities on its surface to increase the adhesion of the positive electrode active material, and may be in various forms such as a film, a sheet, a foil, a net, a porous body, a foam, and a nonwoven fabric.
- the negative electrode is prepared by, for example, applying a negative electrode mixture containing a negative electrode active material on a negative electrode current collector and then drying the negative electrode mixture.
- the negative electrode mixture may include, as necessary, a conductive material, a binder, a filler, and the like. The components of may be included.
- the negative electrode active material examples include carbon and graphite materials such as natural graphite, artificial graphite, expanded graphite, carbon fiber, non-graphitizable carbon, carbon black, carbon nanotube, fullerene, and activated carbon; Metals such as Al, Si, Sn, Ag, Bi, Mg, Zn, In, Ge, Pb, Pd, Pt, Ti which can be alloyed with lithium, and compounds containing these elements; Complexes of metals and compounds thereof with carbon and graphite materials; Lithium-containing nitrides; and the like.
- carbon-based active materials, silicon-based active materials, tin-based active materials, or silicon-carbon-based active materials are more preferable, and these may be used alone or in combination of two or more.
- the negative electrode current collector is generally made to a thickness of 3 to 500 ⁇ m.
- a negative electrode current collector is not particularly limited as long as it has high conductivity without causing chemical change in the battery.
- copper, stainless steel, aluminum, nickel, titanium, calcined carbon, copper or stainless steel Surface-treated with carbon, nickel, titanium, silver and the like on the surface, aluminum-cadmium alloy and the like can be used.
- fine concavities and convexities may be formed on the surface to enhance the bonding strength of the negative electrode active material, and may be used in various forms such as a film, a sheet, a foil, a net, a porous body, a foam, and a nonwoven fabric.
- the separator is interposed between the anode and the cathode, and an insulating thin film having high ion permeability and mechanical strength is used.
- the pore diameter of the separator is generally from 0.01 to 10 ⁇ m ⁇ m, thickness is generally 5 ⁇ 300 ⁇ m.
- a separator for example, olefin polymers such as chemical resistance and hydrophobic polypropylene; Sheets or non-woven fabrics made of glass fibers or polyethylene are used.
- a solid electrolyte such as a polymer
- the solid electrolyte may also serve as a separator.
- the lithium salt-containing non-aqueous electrolyte solution consists of an electrolyte solution and a lithium salt, and a non-aqueous organic solvent, an organic solid electrolyte, an inorganic solid electrolyte, and the like are used as the electrolyte solution.
- non-aqueous organic solvent examples include N-methyl-2-pyrrolidinone, propylene carbonate, ethylene carbonate, butylene carbonate, dimethyl carbonate, diethyl carbonate, and gamma Butyl lactone, 1,2-dimethoxy ethane, tetrahydroxy franc, 2-methyl tetrahydrofuran, dimethyl sulfoxide, 1,3-dioxorone, formamide, dimethylformamide, dioxolon , Acetonitrile, nitromethane, methyl formate, methyl acetate, phosphate triester, trimethoxy methane, dioxorone derivatives, sulfolane, methyl sulfolane, 1,3-dimethyl-2-imidazolidinone, propylene carbo Aprotic organic solvents such as nate derivatives, tetrahydrofuran derivatives, ethers, methyl pyroionate and ethyl propionate can be
- organic solid electrolytes examples include polyethylene derivatives, polyethylene oxide derivatives, polypropylene oxide derivatives, phosphate ester polymers, polyedgetion lysine, polyester sulfides, polyvinyl alcohols, polyvinylidene fluorides, Polymerizers containing ionic dissociating groups and the like can be used.
- Examples of the inorganic solid electrolyte include Li 3 N, LiI, Li 5 NI 2 , Li 3 N-LiI-LiOH, LiSiO 4 , LiSiO 4 -LiI-LiOH, Li 2 SiS 3 , Li 4 SiO 4 , Nitrides, halides, sulfates and the like of Li, such as Li 4 SiO 4 -LiI-LiOH, Li 3 PO 4 -Li 2 S-SiS 2 , and the like, may be used.
- the lithium salt is a good material to be dissolved in the non-aqueous electrolyte, for example, LiCl, LiBr, LiI, LiClO 4 , LiBF 4 , LiB 10 Cl 10 , LiPF 6 , LiCF 3 SO 3 , LiCF 3 CO 2 , LiAsF 6, LiSbF 6, LiAlCl 4, CH 3 SO 3 Li, CF 3 SO 3 Li, (CF 3 SO 2) 2 NLi, chloroborane lithium, lower aliphatic carboxylic acid lithium, lithium tetraphenyl borate and imide have.
- pyridine triethyl phosphite, triethanolamine, cyclic ether, ethylene diamine, n-glyme, hexaphosphate triamide, nitro Benzene derivatives, sulfur, quinone imine dyes, N-substituted oxazolidinones, N, N-substituted imidazolidines, ethylene glycol dialkyl ethers, ammonium salts, pyrroles, 2-methoxy ethanol, aluminum trichloride and the like may be added. .
- halogen-containing solvents such as carbon tetrachloride and ethylene trifluoride may be further included, and carbon dioxide gas may be further included to improve high temperature storage characteristics.
- the carrier jig includes a main body accommodating fixing part in which the main body of the battery pack is seated and a connector fixing part in which the connector of the battery pack is mounted;
- One end of the connector in the connector fixing portion may be mounted to be exposed to the outer surface of the jig.
- the end of the connector exposed to the outside while the battery pack is stably fixed to the main body accommodating fixing portion of the carrier jig may be connected to an external device so that a function test may be performed.
- a first clamping unit configured to transfer a carrier jig in which the battery pack on which the bar code identifier has been validated is mounted, to a test unit;
- the first clamping unit may have a structure configured to be movable in a moving direction (X-axis direction) of the conveyor and in a vertical direction (Z-axis direction) with respect to the ground.
- one side of the barcode identifier may be a structure that is equipped with a stopper for stopping the movement of the carrier jig on the conveyor to check the validity of the battery pack.
- the battery pack that is determined defective in the validity check of the barcode identifier may be a structure that is discharged manually or automatically.
- test unit the test unit
- a test shelf including at least two channels each of which a carrier jig on which the battery pack is mounted will be mounted for the functional inspection of the battery pack;
- An auxiliary shelf positioned on an upper portion of the test shelf and configured to include at least one channel in which a carrier jig having a battery pack scheduled for further inspection may be located;
- Jig fixing member for fixing the carrier jig does not flow in each channel of the test shelf and the secondary shelf for inspection;
- the channels may have a structure arranged vertically with respect to the ground.
- test shelf may include four or more channels, and the auxiliary shelf may have a structure including two or more channels.
- One side of the test unit may have a structure in which a display unit additionally outputs a function test result of the battery pack in real time. Therefore, the function test result of the battery pack collected in each channel of the test shelf is output in real time and can be confirmed on the display unit.
- a test pin for inspecting the function of the battery pack is located on one side of the test shelf, it may be a structure in which the test pin is automatically connected to the connector of the battery pack by the operation of the jig fixing members. .
- the jig fixing member is in close contact with the carrier jig without a worker having to directly connect the test pin to the connector by hand. It is connected automatically by operation.
- the first clamping unit of the loading unit may be configured to selectively position the carrier jig in an empty channel among the channels of the test unit, and in one example, the first clamping unit of the loading unit May be a structure configured to preferentially place the carrier jig in the lowermost channel among the channels of the test unit.
- It may have a structure including a second clamping unit for removing the carrier jig in which the battery pack, the function test is completed, is removed from the test unit and transferred to the conveyor or defective discharge unit.
- the second clamping unit may have a structure movable in the X-axis direction and the Z-axis direction.
- a third clamping unit for transferring the carrier jig on which the battery pack is mounted from the transfer plate to the defective laminate part
- the transfer plate is configured to be movable in the Y-axis direction perpendicular to the X-axis direction and the Z-axis direction, respectively, and when the defect of the battery pack is determined to move toward the conveyor from the second clamping unit It may be a structure for receiving a carrier jig on which the battery pack is mounted.
- the defective stacking unit may be a structure formed of an accommodating structure positioned on one side of the test unit to sequentially stack the carrier jigs on which the battery pack determined to be defective is mounted.
- the present invention also provides a battery pack determined by good quality in the battery pack function tester and a device including the battery pack as a power source, for example, an electric vehicle, a hybrid electric vehicle, a plug- Phosphorus hybrid electric vehicle, or one selected from the group consisting of a power storage device.
- a battery pack determined by good quality in the battery pack function tester and a device including the battery pack as a power source, for example, an electric vehicle, a hybrid electric vehicle, a plug- Phosphorus hybrid electric vehicle, or one selected from the group consisting of a power storage device.
- FIG. 1 is a plan view of a battery pack function inspection apparatus according to an embodiment of the present invention.
- FIG. 2 is a side view of the battery pack function test apparatus of FIG. 1;
- FIG. 3 is a front view of the battery pack function test apparatus of FIG. 1;
- FIG. 4 is a plan view of a carrier jig according to an embodiment of the present invention.
- FIG. 1 is a plan view schematically showing a battery pack function tester according to an embodiment of the present invention
- Figure 2 and Figure 3 is a side view and a front view of the battery pack function tester of FIG. .
- the battery pack function test apparatus 100 of the present invention is a loading unit for lifting the carrier jig 150, on which the battery pack 10 is mounted, from the conveyor 110 to be transferred to the test unit B.
- the test section B for performing a functional test of the battery pack 10 of the carrier jig 150 transferred from the loading section A and the battery pack 10 determined as good in the test section B It is configured to include an unloading portion (C) for transferring the on the conveyor 110 in the state mounted on the carrier jig 150, and transfers the battery pack determined as defective to the defective discharge unit (D).
- the loading unit A has a validity in the barcode identifier 190 and the barcode identifier 190 for checking the validity of the battery pack through a barcode in a state in which the carrier jig 150 is positioned on the conveyor 110. It consists of a first clamping unit 200 for transferring the carrier jig 150, on which the battery pack 10 is confirmed, is mounted to the test unit B.
- a stopper 180 is formed at one side of the barcode identifier 190 to stop the movement of the carrier jig 150 to confirm the validity.
- the first clamping unit 200 is mounted to be movable in the vertical direction vertically in a state where the center portion is fixed to the vertical fixing bar 210, one end is easily grip the carrier jig 150 It is formed in the shape of tongs so that it can be done. Therefore, the carrier jig 150 on which the battery pack 10 is mounted may be easily gripped to move up and down along the vertical fixing bar 210 and transferred to the corresponding channel of the test unit B.
- the test unit B includes a test shelf 120 including six channels 121, 122, 123, 124, 125, and 126 on which a carrier jig 150 on which the battery pack 10 is mounted is mounted to test a function of the battery pack.
- the secondary shelf 130 consisting of two channels (131, 132) in which the carrier jig 150, in which the battery pack 10, which is scheduled for later inspection, can be tapped, can be positioned, and for functional inspection. It is configured to include a jig fixing member 140 for fixing the carrier jig 150 does not flow in each channel of the test shelf 120 and the auxiliary shelf 130.
- the unloading unit (C) withdraws the carrier jig 150, on which the battery pack 10, in which the functional inspection is completed, is mounted from the test unit B, to the conveyor 110 or the defective discharge unit D. It is configured to include a second clamping unit 300 for conveying.
- the second clamping unit 300 is mounted so as to be movable vertically in a vertical direction in a state where the center portion is fixed to the vertical fixing bar 310, and one end thereof easily grips the carrier jig 150. It is formed in the shape of tongs so that it can be done. Accordingly, the battery pack 10 easily grips the carrier jig 150 seated thereon, and moves upward and downward along the vertical fixing bar 310, and optionally, among the channels of the test unit B, the battery pack in which the inspection is completed. The seated carrier jig 150 can be taken out.
- the bad discharge part D is a carrier jig 150 on which the bad battery pack 10 transferred from the test part B by the second clamping unit 300 is mounted.
- the transfer plate 510 mounted on the upper surface and the third clamping unit 500 for transferring the carrier jig 150 mounted with the battery pack from the transfer plate 150 to the defective stacking unit 520.
- the transfer plate 510 has a structure capable of moving in the vertical direction (Y) and the vertical direction (Z) with respect to the traveling direction (X) of the carrier jig 150 on the conveyor 110, the test unit ( The battery pack 10 determined as defective in B) is received from the second clamping unit 300.
- the third clamping unit 500 is mounted in a structure in which one side is movable to the defective stacking part 520 while being fixed to the horizontal fixing bar, and one end thereof can easily hold the carrier jig 150. It is formed in the shape of tongs. Therefore, the battery pack 10 in which the tongs-shaped portion of the third clamping unit 500 is determined to be defective is moved while moving in one direction along the horizontal fixing bar with the carrier jig 150 easily seated thereon. Transfer to stacking portion 520.
- the defective stacking unit 520 is located at a portion adjacent to one side of the test unit B, and has a receiving structure so that carrier jigs on which the battery pack 10 determined as defective may be sequentially stacked. . Therefore, the carrier jig 150 transferred from the third clapping unit 500 is automatically sorted without the need for manual discharge of the operator.
- the carrier jig 150 is a connector fixing portion is mounted to the main body accommodating fixing parts 156 and the connector 152 of the battery pack to support the main body of the battery pack 10 is seated (flow) ( 155) is configured.
- the carrier jig 150 has a plate-like plate structure as a whole, and is formed in a size of approximately 400 mm in width and 300 mm in length. Since the main body accommodating fixing parts 156 are partially formed along the outer circumferential surface of the battery pack 10, the carrier jig 150 may be stably fixed during the inspection.
- One side of the battery pack 10 has a connector fixing portion 155 is electrically connected to perform a function test
- the connector 152 coupled to the connector fixing portion 155 is the main body storage fixing portion 156
- the one end 153 is formed to have a structure exposed to the outside of the carrier jig 150 in a state bent along the). Therefore, a test pin is connected to one end 153 of the connector 152 to perform a function test of the battery pack 10.
- the operator mounts the carrier jig 150 in a state in which the connector of the battery pack 10 is connected, and then mounts it on the conveyor 110 that proceeds to one side.
- the carrier jig 150 is lowered by the stopper 180 mounted on one side of the barcode identifier 190 to check the validity of the battery pack 10 through the barcode identifier 190 mounted on one side in the supply process.
- the movement of the carrier jig 150 is temporarily stopped.
- the carrier jig 150 mounted with the battery pack 10 having completed the validity check is transferred to the test shelf 120 at the same time as the stopper 180 is raised again, and is closely attached to one side of the lower end of the predetermined test shelf 120. The transfer is stopped.
- the first clamping unit 200 is transferred to an empty channel among six (121, 122, 123, 124, 125, and 126) of the test shelf 120 while holding the carrier jig 150 to perform a functional test of the battery pack.
- the test shelf 120 are transferred to the two auxiliary shelves 130 mounted on the upper surface of the test shelf 120, and then sequentially transferred to the completed channels.
- the jig fixing member 140 formed on one side of the channels 121, 122, 123, 124, 125, and 126 automatically detects and operates to carry the carrier jig 150.
- one side end 153 of the connector 152 which is connected to the battery pack 10 is connected to the test pins at the same time, the functional test of the battery pack 10 is performed.
- the display unit 160 mounted on one side of the test shelf 120 displays the test results of the battery packs 10 being tested in each channel in real time. Whether the good or bad of the pack 10 is output.
- the second clamping unit 300 pulls out the carrier jig 150 seated on the corresponding channel and returns it to the conveyor 110 to perform a function test. To complete.
- the second clamping unit 300 draws the carrier jig to the outside of the test shelf 120, while the transfer plate 510 moves to the second. It moves to the lower direction of the clamping unit 300 (perpendicular to the traveling direction of the carrier jig), and returns to the state which received the said defect determination carrier jig
- the battery pack function inspection apparatus is an automated system structure by checking the function of the battery pack while continuously operating the loading unit, the test unit and the unloading unit, the battery pack is determined good or bad Efficient separation and there is an effect that can effectively perform the functional check of the battery pack.
Abstract
Description
Claims (20)
- 전지팩의 기능을 검사하는 장치로서,(a) 전지팩이 탑재되어 있는 캐리어 지그를 컨베이어로부터 리프팅하여 하기 테스트부로 이송하는 로딩부(loading part);(b) 상기 로딩부로부터 이송된 캐리어 지그의 전지팩의 기능 검사를 수행하는 테스트부(testing part); 및(c) 상기 테스트부에서 양품으로 판정된 전지팩을 캐리어 지그에 탑재된 상태로 컨베이어 상으로 이송하고, 불량으로 판정된 전지팩을 불량 배출부로 이송하는 언로딩부(unloading part);를 포함하고 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 1 항에 있어서, 상기 전지팩은 하나 이상의 판상형 전지셀을 포함하고 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 1 항에 있어서,상기 캐리어 지그는, 전지팩의 본체가 안착되는 본체 수납 고정부와, 전지팩의 커넥터가 장착되는 커넥터 고정부를 포함하고 있고;상기 커넥터 고정부에서 커넥터의 일측 단부는 지그의 외측면에 노출되도록 장착되는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 1 항에 있어서, 상기 로딩부는,상기 캐리어 지그가 컨베이어 상에 위치된 상태에서, 전지팩의 유효성 여부를 바코드를 통해 확인하는 바코드 식별기;상기 바코드 식별기에서 유효성 확인이 완료된 전지팩이 탑재되어 있는 캐리어 지그를 테스트부로 이송시키는 제 1 클램핑 유닛;을 포함하는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 4 항에 있어서, 상기 제 1 클램핑 유닛은 컨베이어의 진행방향(X축 방향)과 지면에 대한 수직 방향(Z축 방향)으로 이동 가능한 구조로 이루어진 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 4 항에 있어서, 상기 바코드 식별기의 일측에는, 전지팩의 유효성을 검사하기 위해 컨베이어 상에서 캐리어 지그의 이동을 정지시키는 스톱퍼(Stopper)가 장착되어 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 4 항에 있어서, 상기 바코드 식별기의 유효성 검사에서 불량 판정된 전지팩은 수동 또는 자동으로 배출되는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 1 항에 있어서, 상기 테스트부는,전지팩의 기능 검사를 위해 전지팩이 탑재된 캐리어 지그가 각각 장착하게 될 적어도 둘 이상의 채널들(channels)로 이루어진 테스트 선반;상기 테스트 선반의 상부에 위치하고, 추후 검사가 예정된 전지팩이 탭재된 캐리어 지그가 위치될 수 있는 적어도 하나의 채널로 이루어진 보조 선반; 및검사를 위해 테스트 선반 및 보조 선반의 각 채널에서 캐리어 지그가 유동하지 않도록 고정하는 지그 고정부재;를 포함하고 있고,상기 채널들은 지면을 기준으로 수직으로 배열되어 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 8 항에 있어서, 상기 테스트 선반은 4개 이상의 채널들을 포함하고 있고, 상기 보조 선반은 2개 이상의 채널들을 포함하고 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 8 항에 있어서, 상기 테스트부의 일측에는 전지팩의 기능 검사 결과를 실시간 출력하는 디스플레이부가 추가로 장착되어 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 8 항에 있어서, 상기 테스트 선반의 일측에는 전지팩의 기능을 검사하기 위한 테스트 핀이 위치하고 있고, 상기 지그 고정부재들의 작동에 의해 테스트 핀이 전지팩의 커넥터에 자동으로 접속되는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 8 항에 있어서, 로딩부의 제 1 클램핑 유닛은 상기 테스트부의 채널들 중에서 빈 채널에 선택적으로 캐리어 지그를 위치시키도록 설정되어 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 8 항에 있어서, 로딩부의 제 1 클램핑 유닛은 상기 테스트부의 채널들 중에서 최하측의 채널에 우선적으로 캐리어 지그를 위치시키도록 설정되어 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 1 항에 있어서, 상기 언로딩부는, 기능 검사가 완료된 전지팩이 탑재되어 있는 캐리어 지그를 테스트부로부터 꺼내어 컨베이어 또는 불량 배출부로 이송시키는 제 2 클램핑 유닛을 포함하고 있는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 14 항에 있어서, 상기 제 2 클램핑 유닛은 X축 방향과 Z축 방향으로 이동 가능한 구조로 이루어진 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 14 항에 있어서, 상기 불량 배출부는,상기 제 2 클램핑 유닛에 의해 테스트부로부터 이송된 불량 전지팩이 탑재되어 있는 캐리어 지그가 상면에 탑재되는 이송 플레이트; 및상기 이송 플레이트로부터 전지팩이 탑재된 캐리어 지그를 불량 적층부로 이송하는 제 3 클램핑 유닛;을 포함하는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 16 항에 있어서, 상기 이송 플레이트는 X축 방향 및 Z축 방향에 각각 수직인 Y축 방향으로 이동 가능한 구조로 이루어져 있고, 전지팩의 불량이 판정되었을 경우에 컨베이어 쪽으로 이동하여 제 2 클램핑 유닛으로부터 전지팩이 탑재된 캐리어 지그를 수령하는 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 16 항에 있어서, 상기 불량 적층부는 테스트부의 일측에 위치하고, 불량으로 판정된 전지팩이 탑재된 캐리어 지그들이 순차적으로 적층될 수 있도록 수납 구조로 이루어진 것을 특징으로 하는 전지팩 기능 검사장치.
- 제 1 항 내지 제 18 항 중 어느 하나에 따른 전지팩 기능 검사장치에서 양품으로 판정된 것을 특징으로 하는 전지팩.
- 제 19 항에 따른 전지팩을 포함하는 것을 특징으로 하는 디바이스.
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BR112017021170-0A BR112017021170B1 (pt) | 2015-06-04 | 2016-06-07 | Dispositivo de teste de função de conjunto de baterias |
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US10613151B2 (en) | 2020-04-07 |
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