WO2010044571A2 - 셀 모듈 어셈블리의 절연성 검사 장치와 방법 및 이를 위한 프로브 - Google Patents
셀 모듈 어셈블리의 절연성 검사 장치와 방법 및 이를 위한 프로브 Download PDFInfo
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- WO2010044571A2 WO2010044571A2 PCT/KR2009/005815 KR2009005815W WO2010044571A2 WO 2010044571 A2 WO2010044571 A2 WO 2010044571A2 KR 2009005815 W KR2009005815 W KR 2009005815W WO 2010044571 A2 WO2010044571 A2 WO 2010044571A2
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- WO
- WIPO (PCT)
- Prior art keywords
- insulation
- module assembly
- cell module
- battery cells
- pouch
- Prior art date
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- 238000009413 insulation Methods 0.000 title claims abstract description 133
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 44
- 239000000523 sample Substances 0.000 title claims description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- 238000007689 inspection Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 18
- 238000005259 measurement Methods 0.000 description 9
- 230000002950 deficient Effects 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
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Images
Classifications
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- 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]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
-
- 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
-
- 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
Definitions
- the present invention relates to a device and a method for inspecting the insulation of a cell module assembly consisting of a plurality of pouch-type battery cells, and to a probe for the same, and more specifically, can be in electrical contact with all the pouches of the plurality of battery cells.
- the present invention relates to a device, a method for quickly inspecting and determining the insulation of the entire cell module assembly through a metering means such as a probe, and a probe therefor.
- a cell module assembly refers to a combination formed of a plurality of pouch-type battery cells, wherein a pouch battery cell is provided with a battery cell therein, and a polymer exterior material corresponding to the pouch surrounds the battery cell. It means the battery cell which consists of.
- the pouch battery cell 100 includes an electrode 110, a pouch 120, and a battery cell 130. It consists of.
- the method of manufacturing the pouch battery cell 100 is a method of bonding the pouch raw material having a predetermined size so that the pouch surrounds the battery cell 130 as shown in FIG. 3 at the top and bottom of the battery cell 130. This is used.
- the pouch 120 is configured in the form of an aluminum thin film in order to protect the battery cell 130, to improve the electrochemical properties of the battery cell 130, and to improve heat dissipation, and the like, and the outside of the battery cell 130
- the aluminum thin film is used in a form in which an insulating material such as polyethylene terephthalate (PET) resin or nylon (nylon) resin is coated in order to ensure insulation from the aluminum thin film.
- the sealing surface which is the outer circumferential surface to which the pouch 120 is bonded, has a structure of an insulating layer 121, an aluminum layer 123, and an adhesive layer 125.
- the battery cell When the internal structure of the pouch battery cell 100 is damaged or damaged due to an external physical shock or the like, the insulation of the pouch battery cell 100 is destroyed, the battery cell may not maintain a steady state voltage and may cause a low voltage. It may cause a swelling phenomenon of the battery cell.
- the pouch battery cell 100 may be thoroughly inspected and operated so that defective products can be removed at its source. desirable.
- the cell module assembly 200 including a plurality of battery cells refers to a battery module in which a plurality of pouch battery cells 100 are connected in series with each other.
- a portion corresponding to the electrode 110 (see FIG. 4) of the battery cell 100 is electrically connected to the electrode unit 210 provided in the cell module assembly 200, and the pouch of each battery cell 100 is provided.
- a portion of 120 is exposed to the outside.
- the conventionally used method for inspecting the insulation resistance of the cell module assembly, etc. is electrically contacted with one metering means (probe) 310 to the electrode portion 210 as shown in FIG. This is performed by electrically contacting one metering means (probe) 320 to the aluminum layer 120 of the pouch and measuring electrical property values between both probes 310 and 320.
- the probe means must be brought into contact with the aluminum layer 123 to measure insulation, but the probe 320 and the aluminum layer 123 come into contact with each other by point contact, so that the contact reliability is not high.
- the outer peripheral surface of the pouch does not support the force applied by the material property and thus is easily deformed, so that the probe 320 and the aluminum layer 123 It is difficult to maintain physical contact for electrical conduction, and as a result, the inspection process becomes difficult.
- the cell module assembly is typically composed of a plurality of battery cells, because a plurality of battery cells must be measured one by one in order to determine the insulation of the cell module assembly itself has a problem that the time and cost required to increase. .
- the insulation test of the pouch battery cell has a problem that the reliability of the pouch battery cell is significantly degraded and the test takes a lot of time due to such various circumstances, and thus, problems such as difficulty in removing the defective battery cell or the defective cell module assembly or damage to the pouch appearance. Will be exposed as is.
- such a conventional method is an obstacle to the automation of insulation inspection due to the above problems.
- the present invention was devised to solve such a problem in the above-described background, and efficiently measures the insulation of the cell module assembly through a probe capable of electrically contacting all the pouches of the plurality of cell batteries constituting the cell module assembly. And an apparatus and method for inspecting and a probe for the same.
- An inspection apparatus of the present invention for realizing the above object is a device for inspecting the insulation of the cell module assembly consisting of a plurality of pouch battery cells, the first inspection means in electrical contact with the electrode of the cell module assembly; Second meter reading means electrically contacting aluminum layers of a plurality of pouch battery cells selected from the pouch battery cells; And measuring means for measuring an insulation resistance between the first metering means and the second metering means.
- it may further include determining means for determining the insulation of the battery cell by comparing the measured insulation resistance and a reference value.
- the second meter reading means may include one or more grooves, and the plurality of selected pouch aluminum layers may be in contact with the grooves. At this time, the groove portion guide portion to guide the sliding movement; And a sliding part moved left and right along the guide part.
- the second meter reading means is composed of a conductive elastomer material, the conductive elastomer material is preferably a conductive silicone rubber.
- the reference value which is a criterion for the insulation test, is set to be the same as the reference value for the insulation determination of the single pouch battery cell, and the smallest value among the reference values for the insulation determination of each of the selected plurality of pouch battery cells. Can be set.
- the method for inspecting the insulation of the cell module assembly is a method for inspecting the insulation of the cell module assembly consisting of a plurality of pouch battery cells, the first metering means to the electrode of the cell module assembly Contacting the first contact; A second contact step of electrically contacting second metering means with aluminum layers of a plurality of pouch battery cells selected from the pouch battery cells; And a measuring step of measuring an insulation resistance between the first reading means and the second reading means, and determining the insulation of the battery cell by comparing the measured insulation resistance with a reference value according to an embodiment. It may include.
- a probe for insulating inspection of an assembly module assembly measures an insulation resistance between an electrode of a cell module assembly consisting of one or more pouch battery cells and an aluminum layer of a plurality of pouch battery cells selected from the pouch battery cells.
- the probe is configured to include a contact portion in electrical contact with all of the aluminum layers of the selected plurality of pouch battery cells.
- the apparatus and method for inspecting insulation of a cell module assembly according to the present invention and a probe therefor provide an advantage of quickly measuring and inspecting insulation at the cell module assembly level.
- the electrical contactability can be improved by improving the material and structure of the probe to which the plurality of battery cells are contacted, as proposed in the present invention, thereby providing a method of inspecting insulation with higher reliability.
- 1 is a perspective view of the appearance of the pouch battery cell
- FIG. 2 is a cross-sectional view taken along line AA ′ of FIG. 1;
- FIG. 3 is a view illustrating a process of configuring a pouch battery cell
- FIG. 5 is a perspective view showing the appearance of a cell module assembly composed of a plurality of pouch battery cells
- FIG. 6 is a view showing a method of determining the insulation of a conventional cell module assembly
- FIG. 7 is a circuit diagram showing an equivalent circuit of insulation resistance of a cell module assembly according to the present invention.
- FIG. 8 is a flowchart illustrating a process for an insulation inspection method of a cell module assembly according to the present invention
- FIG. 9 is a view showing an embodiment of an insulation test method of a cell module assembly according to the present invention.
- FIG. 10 is a view showing an embodiment of the meter reading means of the insulation inspection device of the cell module assembly according to the present invention.
- FIG. 11 is a view showing another embodiment of the meter reading means of the insulation inspection device of the cell module assembly according to the present invention.
- FIG. 12 is a block diagram showing the configuration of an insulation inspection apparatus according to a preferred embodiment of the present invention.
- the insulation inspection apparatus relates to a device for inspecting insulation of the cell module assembly 200 composed of a plurality of pouch battery cells 100, the first metering means 310 of the present invention is shown in FIG. As described above, the cell module assembly 200 is in electrical contact with the electrode 210 of the cell module assembly 200.
- the electrode of the cell battery at the end provided in the cell module assembly is a cell module assembly. It can be said that the electrode of (200).
- the second meter reading means 320 of the present invention is electrically connected to the side surfaces of the pouch 120 of the plurality of pouch battery cells 100 selected from the pouch battery cells 100, that is, the aluminum layer. Contact.
- the plurality of pouch battery cells 100 in contact with the second metering means 320 may be all of the pouch battery cells 100 constituting the cell module assembly 200, and two or more pouch battery cells 100 may be selected depending on whether a measurement target is selected. It can be selected in various numbers.
- all the battery cells 100 constituting the cell module assembly 200 include the second metering means 320 in order to inspect the overall integrated insulation of the cell module assembly 200. It is preferable that the insulation resistance of the cell module assembly 200 is measured to be in contact with.
- CMA 200 is illustrated as being configured with eight battery cells, but this is only an example and may be configured with various numbers of battery cells. Of course it can.
- the second metering means 320 is a conductive material having a form extending in the longitudinal direction as shown in FIG. 8, and the second metering means 320 may be in contact with all of the pouches of the plurality of pouch battery cells 100.
- the first meter reading means 310 and the second meter reading means 320 is electrically connected to a predetermined measuring device or inspection device 300.
- the second metering means 320 may be made of a conductive elastic material.
- various materials may be used as long as the material has conductivity and elasticity due to physical properties.
- a conductive silicone rubber having high flexibility and high flexibility is preferable as a material of the conductive elastic body.
- the second metering means 320 in particular, the contact portion in contact with the aluminum layer of the pouch by the conductive elastic body as described above can minimize or disperse the physical external pressure applied to the pouch aluminum primarily of the pouch aluminum
- the appearance damage can be minimized, as well as the electrical contact force can be further improved, and ultimately, the stable operation of the cell module assembly 200 can be achieved.
- the measuring means of the present invention is the first metering means 310 and the second metering means
- the insulation resistance between the 320 is measured (S110).
- the measuring means may symbolize the inspection apparatus 300 itself, and may be implemented as one module included in the inspection apparatus 300.
- the determination means of the present invention determines the insulation property of the battery cell by comparing the insulation resistance and the reference value measured between the first and second meter reading means (S120).
- the judging means may be constituted by a logical circuit for performing the above functions, and it is apparent that the judgment means may be sufficiently configured by a person skilled in the art as one module inside the inspection apparatus as shown in FIG. 8 and the like.
- the second metering means 320 in contact with the aluminum layer of the pouch 120 in order to improve the contact between the second metering means 320 and the aluminum layer of the pouch 120 and the contact holding force is As shown in FIG. 9, it is more preferable that the selected plurality of pouch aluminum layers have one or more groove portions 321 contacted with each other.
- the physical support force may be transmitted by the outer wall of the groove part, so that the electrical contact may be more stably performed.
- the second metering means 320 is provided with visual display means 325 such as one or more LEDs and electrochromic elements, and the pouch 120 includes the second metering means ( When the electrical contact with the groove 321 of the 320 or the second meter reading means 320 is preferably configured to be visually recognizable by the user.
- the number of the groove portions 321 described above may also be variously configured as well as the interval between the groove portions 321. It is desirable to configure so that it is adjusted.
- the groove 321 is a guide portion 324 for slidably moving as shown in FIG. 10 and a sliding portion 323 moved left and right along the guide surface of the guide portion 324. It can be configured as. Of course, electrical contact between the sliding part 323 and the second meter reading means 320 is to be maintained.
- the insulation inspection apparatus 300 of the cell module assembly 200 of the present invention includes an electric value input unit 301, a measurement unit 303, a screen display unit 305, and a determination unit 307. And a reference value setting unit 309.
- the electrical value input unit 301 corresponds to a module to which the first and second metering means 310 and 320 described above are electrically connected, and the electrical value input unit 301 is connected to the measuring unit 303 of the present invention. Connected.
- the measurement unit 303 measures electrical characteristic values, such as insulation resistance, from the first and second meter reading means 310 and 320 through the electrical value input unit 301.
- the measurement unit 303 is configured to output the measured insulation resistance value and the like to a predetermined screen display means 305 so that the user or administrator can visually confirm.
- the insulation resistance value measured by the measurement unit 303 is input to the determination unit 307 of the present invention
- the determination unit 307 is a reference value that is a reference value of the insulation test of the cell module assembly 200
- the insulation value is determined by reading the reference value setting unit 309 and comparing the magnitude of the insulation resistance value input from the measurement unit 303 with the magnitude thereof.
- the determination result may be output to the predetermined screen display means 305 so that the user may visually recognize the interface.
- the reference value setting unit 309 may store a database of the reference value in an internal memory means or the like, and may include a user interface means or the like to input a reference value from a user according to the specification of the inspection target, the number of battery cells, or the inspection environment. It can be configured to receive, change or set.
- the insulation resistance of each individual cell is sequentially R1, R2, ..., R8.
- the resistance value Rt measured by the meter reading means may be represented by the following equation since resistance value r such as resistance or contact resistance of the meter reading means itself exists.
- the insulation resistance of each cell corresponds to a very large value close to infinity, and the r value is relatively small compared to the R value.
- the error range of the resistance of each individual battery cell 100 is the same within a range that allows the equation 1 can be expressed as follows.
- the resistance value which is a reference value of the insulation resistance for the battery cell
- the actually measured insulation resistance value of the battery cell is larger than the a value
- the battery cell to be inspected can be determined to have insulation. have.
- the value Rrt which is a criterion for insulation determination of a cell module assembly in which eight battery cells are merged, is a reference insulation of individual battery cells since a plurality of battery cells are connected in parallel as shown in FIG. 12. If the resistance is Ra, it can be Ra / 8. Therefore, when the actually measured insulation resistance value Rt is greater than Ra / 8, it may be determined that the cell module assembly maintains insulation.
- the above description will be supplementally described as follows. First, if the insulation resistance reference value for determining the insulation of the individual battery cell is 100 kW, the insulation resistance value actually measured through the experiment process is usually significantly larger than the 100 kW, but the battery cell is determined that the insulation resistance is destroyed The resistance value of becomes smaller than 100 kW.
- the reference resistance value of the insulation determination of each battery cell is 100 k ⁇
- the reference resistance value of the insulation determination of the cell module assembly when two battery cells are connected in parallel is 50 k ⁇ .
- Rt in terms of parallel connection resistance, the value of Rt is greater than 50 k ⁇ , so it can be determined that insulation is maintained.
- R2 in terms of individual insulation resistance, R2 is a reference value of 100, which is the individual reference resistance value. Since the value is less than 80 ⁇ , it can be regarded as defective product with broken insulation.
- the present invention can be said to have an object to perform the insulation test more quickly and accurately. Therefore, if you first screen only the cell module assemblies that did not pass the insulation test at the cell module assembly level and perform the individual insulation test only on each individual battery cell constituting the selected cell module assembly, a faster inspection can be performed. have.
- the insulation resistance reference value (Rrt) of the cell module assembly is calculated by applying only the arithmetic mathematical operation in the parallel connection circuit as in the example described above, in the case of a cell module assembly in which two battery cells are connected, the insulation resistance of the individual battery cells is calculated. Since the reference value Ra is 100 mW, the arithmetic insulation resistance reference value Rrte will be 50 mW, and in the case of a cell module assembly consisting of four battery cells, it will be 25 mW.
- the reference value Rrt for the insulation test of the cell module assembly is set to Rrte as described above, it may not be possible to select the case as described above, so that Rrt is insulated from individual battery cells in view of this. It is necessary to set Ra as the resistance reference value.
- Rrt is set to 100 kW (Ra), which is the insulation resistance reference value of an individual battery cell, 67 kW, the insulation resistance value for inspection, is less than 100 kW, so that it can be selected in the inspection of the cell module assembly level. do.
- the Rrt may be set to Rrte. However, it may be more preferable to set Rrt to Ra in order to perform more precise inspection.
- the reference value Rrt is set equal to the reference value of the insulation determination of the single pouch battery cell, and if the insulation resistance reference value Ra of the individual battery cells is not equal to each other, the reference value Rrt is set to the smallest among them. It is desirable to.
- Insulation test method of the cell module assembly proposed in the present invention can provide the efficiency as proportional to the number of the individual battery cells at the maximum in contrast to the method of inspecting the insulation of the individual battery cells, respectively.
- Each component of the inspection apparatus of the present invention should be understood as a logical component rather than a physically divided component. That is, since each configuration corresponds to logically divided components to realize the technical idea of the present invention, even if each component is integrated or separated, the present invention can realize the function performed by the logical configuration of the present invention. Should be interpreted to be within the scope of.
- the method for checking insulation of the cell module assembly according to the present invention described above may be embodied as computer readable codes on a computer readable recording medium.
- the computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer device is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and may also be implemented in the form of a carrier wave (for example, transmission over the Internet). Include.
- the computer readable recording medium can also be distributed over network coupled computer devices so that the computer readable code is stored and executed in a distributed fashion.
- functional programs, codes, and code segments for implementing the method for checking the insulation of the cell module assembly may be easily inferred by programmers in the art to which the present invention pertains.
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- Battery Mounting, Suspending (AREA)
- Testing Relating To Insulation (AREA)
Abstract
Description
Claims (22)
- 복수 개의 파우치 전지 셀로 구성되는 셀 모듈 어셈블리의 절연성을 검사하는 장치로서,상기 셀 모듈 어셈블리의 전극과 전기적으로 접촉되는 제1검침수단;상기 파우치 전지 셀 중 선택된 복수 개의 파우치 전지 셀의 알루미늄층에 전기적으로 접촉되는 제2검침수단; 및상기 제1검침수단과 제2검침수단 사이의 절연저항을 측정하는 측정수단을 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 제 1항에 있어서,상기 측정된 절연저항과 기준값을 비교하여 상기 전지 셀의 절연성을 판단하는 판단수단을 더 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 제 1항에 있어서, 상기 제2검침수단은,전도성 탄성체 재질로 이루어지는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 제 3항에 있어서, 상기 전도성 탄성체 재질은,전도성 실리콘 고무인 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 제 1항에 있어서, 상기 제2검침수단은,하나 이상의 홈부를 포함하고, 상기 선택된 복수 개의 파우치 알루미늄층이 상기 홈부에 접촉되는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 제 5항에 있어서, 상기 홈부는,슬라이딩 이동이 가능하도록 가이드하는 가이드부; 및상기 가이드부를 따라 좌우로 이동되는 슬라이딩부를 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 제 2항에 있어서, 상기 기준값은,단일 파우치 전지 셀의 절연성 판단의 기준값과 동일하게 설정되는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 제 2항에 있어서, 상기 기준값은,상기 선택된 복수 개의 파우치 전지 셀 각각의 절연성 판단의 기준값이 동일하지 않은 경우 가장 작은 값으로 설정되는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 장치.
- 복수 개의 파우치 전지 셀로 구성되는 셀 모듈 어셈블리의 절연성을 검사하는 방법으로서,상기 셀 모듈 어셈블리의 전극에 제1검침수단을 전기적으로 접촉시키는 제1접촉단계;상기 파우치 전지 셀 중 선택된 복수 개의 파우치 전지 셀의 알루미늄층에 제2검침수단을 전기적으로 접촉시키는 제2접촉단계; 및상기 제1검침수단과 제2검침수단 사이의 절연저항을 측정하는 측정단계를 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 제 9항에 있어서,상기 측정된 절연저항과 기준값을 비교하여 상기 전지 셀의 절연성을 판단하는 판단단계를 더 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 제 9항에 있어서, 상기 제2검침수단은,전도성 탄성체 재질로 이루어지는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 제 11항에 있어서, 상기 전도성 탄성체 재질은,전도성 실리콘 고무인 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 제 9항에 있어서, 상기 제2검침수단은,하나 이상의 홈부를 포함하고, 상기 선택된 복수 개의 파우치 알루미늄층이 상기 홈부에 접촉되는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 제 13항에 있어서, 상기 홈부는,슬라이딩 이동이 가능하도록 가이드하는 가이드부; 및상기 가이드부를 따라 좌우로 이동되는 슬라이딩부를 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 제 10항에 있어서, 상기 기준값은,단일 파우치 전지 셀의 절연성 판단의 기준값과 동일하게 설정되는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 제 10항에 있어서, 상기 기준값은,상기 선택된 복수 개의 파우치 전지 셀 각각의 절연성 판단의 기준값이 동일하지 않은 경우 가장 작은 값으로 설정되는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사 방법.
- 하나 이상의 파우치 전지 셀로 구성되는 셀 모듈 어셈블리의 전극과 상기 파우치 전지 셀 중 선택된 복수 개의 파우치 전지 셀의 알루미늄층 간의 절연저항을 측정하기 위한 프로브로서,상기 선택된 복수 개의 파우치 전지 셀의 알루미늄층 모두에 전기적으로 접촉되는 접촉부를 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사를 위한 프로브.
- 제 17항에 있어서, 상기 접촉부는,전도성 탄성체 재질로 이루어지는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사를 위한 프로브.
- 제 18항에 있어서, 상기 전도성 탄성체 재질은,전도성 실리콘 고무인 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사를 위한 프로브.
- 제 17항에 있어서, 상기 접촉부는,하나 이상의 홈부를 포함하고, 상기 선택된 복수 개의 파우치 알루미늄층이 상기 홈부에 접촉되는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사를 위한 프로브.
- 제 20항에 있어서, 상기 홈부는,슬라이딩 이동이 가능하도록 가이드하는 가이드부; 및상기 가이드부를 따라 좌우로 이동되는 슬라이딩부를 포함하는 것을 특징으로 하는 셀 모듈 어셈블리의 절연성 검사를 위한 프로브.
- 복수 개의 파우치 전지 셀로 구성되는 셀 모듈 어셈블리의 절연성을 검사하기 위하여 상기 셀 모듈 어셈블리의 전극에 제1검침수단을 전기적으로 접촉시키는 제1접촉단계;상기 파우치 전지 셀 중 선택된 복수 개의 파우치 전지 셀의 알루미늄층에 제2검침수단을 전기적으로 접촉시키는 제2접촉단계;상기 제1검침수단과 제2검침수단 사이의 절연저항을 측정하는 측정단계; 및상기 측정된 절연저항과 기준값을 비교하여 상기 전지 셀의 절연성을 판단하는 판단단계를 포함하는 방법을 컴퓨터에게 실행시키기 위한 프로그램을 기록한 컴퓨터로 읽을 수 있는 기록매체.
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JP5208278B2 (ja) | 2013-06-12 |
US8359175B2 (en) | 2013-01-22 |
KR101180830B1 (ko) | 2012-09-07 |
JP2012505513A (ja) | 2012-03-01 |
DE112009002541B4 (de) | 2017-02-23 |
KR20100041213A (ko) | 2010-04-22 |
US20110191043A1 (en) | 2011-08-04 |
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