KR101103507B1 - Apparatus for Measuring Cell voltage - Google Patents

Apparatus for Measuring Cell voltage Download PDF

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KR101103507B1
KR101103507B1 KR1020090114575A KR20090114575A KR101103507B1 KR 101103507 B1 KR101103507 B1 KR 101103507B1 KR 1020090114575 A KR1020090114575 A KR 1020090114575A KR 20090114575 A KR20090114575 A KR 20090114575A KR 101103507 B1 KR101103507 B1 KR 101103507B1
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connector
cell voltage
cell
battery
metal separator
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KR1020090114575A
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Korean (ko)
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KR20110057942A (en
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전윤석
이주형
김완철
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주식회사 케피코
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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]
    • G01R31/364—Battery terminal connectors with integrated measuring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416—Connectors, terminals
    • 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]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

본 발명은 셀 전압 측정장치에 관한 것이다. 구체적으로는 금속 분리판(110)을 사용하는 전지에 커넥터를 연결하여 셀 전압을 측정하는 셀 전압 측정장치에 있어서, 상기 커넥터(130)는 걸림돌기가 형성된 하우징(131)을 구비하고, 상기 금속 분리판에는 상기 걸림 돌기가 끼워져 걸리는 걸림부(111a)가 형성되되, 상기 하우징의 내부에는 상기 금속 분리판 사이 간격이 일정하지 않더라도 탄성에 의해 커넥터가 용이하게 조립되도록 탄성부재(133)(233)(333)가 삽입되어 있는 구조로 되어 있다. 이러한 구성에 의하면, 전지에서 셀 간격이 일정하지 않을 경우에 커넥터가 용이하게 조립되고 금속 분리판에 커넥터가 안정적으로 접촉되어 전지의 동작상태를 정확히 모니터링할 수 있다는 효과가 있다. The present invention relates to a cell voltage measuring device. Specifically, in the cell voltage measuring apparatus for measuring a cell voltage by connecting a connector to a battery using a metal separator plate 110, the connector 130 is provided with a housing 131 is formed with a locking projection, the metal separation The plate is formed with a catching portion 111a through which the catching protrusion is inserted, and the elastic members 133 and 233 so that the connector can be easily assembled by elasticity even though the space between the metal separating plates is not constant within the housing. 333 is inserted. According to such a configuration, when the cell spacing is not constant in the battery, the connector is easily assembled, and the connector is stably contacted with the metal separator plate, so that the operating state of the battery can be accurately monitored.

Description

셀 전압 측정장치{Apparatus for Measuring Cell voltage}Apparatus for Measuring Cell voltage

본 발명은 셀 전압 측정장치에 관한 것으로서, 보다 상세하게는 금속 분리판을 사용하는 전지의 셀 전압 측정장치에 관한 것이다.The present invention relates to a cell voltage measuring apparatus, and more particularly, to a cell voltage measuring apparatus of a battery using a metal separator plate.

일반적으로 연료전지 스택이나 범용 전지의 평가는 연료전지 스택이나 범용 전지에서 발생되는 전류와 전압 측정으로 이루어지는데 특히 각 셀(cell)의 전압 측정은 연료전지 스택이나 범용 전지의 운전시, 각 셀의 성능 및 특성을 나타내는 중요한 자료가 된다. 따라서 연료전지 스택이나 범용 전기가 최적의 상태로 안정적으로 운전되고 갑작스런 성능감소에 따른 운전정지를 방지하기 위해선 각 셀의 전압을 정확하게 모니터링 하여야 하며, 그에 따라 셀 전압 측정장치의 정확성이 요구된다.In general, the evaluation of a fuel cell stack or a general purpose cell is performed by measuring current and voltage generated from the fuel cell stack or a general purpose cell. In particular, the voltage measurement of each cell is performed when It is an important source of performance and characteristics. Therefore, in order to operate the fuel cell stack or general-purpose electricity stably in an optimal state, and to prevent the operation stop due to sudden decrease in performance, the voltage of each cell must be accurately monitored and accordingly, the accuracy of the cell voltage measuring device is required.

종래 셀 전압 측정장치로서 한국등록특허 제10-0588518호 등이 개시되어 있다. 도1은 상기 한국등록특허 제10-0588518호로 개시된 종래 셀 전압 측정장치의 단자가 금속 분리판에 연결된 상태를 나타낸다. 도시한 바와 같은 종래 셀 전압 측정장치는, 케이블(15)을 통하여 단자지지유닛(도시안됨)에 연결되는 단자(17)를 구비하고, 상기 단자(17)가 삽입되어 설치되도록 금속 분리판(1)의 상부 일측에 단자 설치홈(23)이 형성되며, 상기 단자 설치홈(23)에 끼워져 설치된 상태로 상기 단자(17)가 삽입되면 이를 고정시켜 주는 단자 클립(25)을 구비한 구조로 되어 있다.Korean Patent No. 10-0588518 is disclosed as a conventional cell voltage measuring apparatus. 1 illustrates a state in which a terminal of a conventional cell voltage measuring apparatus disclosed in Korean Patent No. 10-0588518 is connected to a metal separator plate. The conventional cell voltage measuring apparatus as shown in the drawing has a terminal 17 connected to a terminal support unit (not shown) through a cable 15, and the metal separating plate 1 so that the terminal 17 is inserted and installed. Terminal mounting groove 23 is formed on the upper side of the), and is provided with a terminal clip 25 for fixing the terminal 17 when the terminal 17 is inserted into the terminal installation groove 23 is installed. have.

그런데, 이와 같이 구성된 종래 셀 전압 측정장치는, 셀 간 간격이 일정하지 않으면 셀 전압을 측정하기 위한 장치가 조립되지 않는 문제점이 있고, 전지가 차량에 장착될 경우에 차량 진동 및 충격에 크게 영향을 받으므로 금속 분리판 간의 절연상태가 확보되지 않는다는 문제점이 있었다.However, the conventional cell voltage measuring apparatus configured as described above has a problem in that a device for measuring cell voltage is not assembled unless the interval between cells is constant, and greatly affects vehicle vibration and shock when the battery is mounted in a vehicle. There was a problem that the insulation state between the metal separation plate is not secured.

따라서, 본 발명은 상기 문제점을 해결하기 위해 이루어진 것으로서, 본 발명의 목적은 셀 간격이 일정하지 않을 경우에 커넥터가 용이하게 조립되고 금속 분리판에 커넥터가 안정적으로 접촉되어 전지의 동작상태를 정확히 모니터링할 수 있는 셀 전압 측정장치를 제공하는 데 있다.Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to accurately monitor the operating state of the battery by easily assembling the connector and stably contacting the connector to the metal separator when the cell spacing is not constant. It is to provide a cell voltage measuring device that can be.

본 발명에 의한 셀 전압 측정장치는, 금속 분리판을 사용하는 전지에 커넥터를 연결하여 셀 전압을 측정하는 셀 전압 측정장치에 있어서, 상기 커넥터는 걸림돌기가 형성된 하우징을 구비하고, 상기 금속 분리판에는 상기 걸림 돌기가 끼워져 걸리는 걸림부가 형성되되, 상기 하우징의 내부에는 상기 금속 분리판 사이 간격이 일정하지 않더라도 탄성에 의해 커넥터가 용이하게 조립되도록 탄성부재가 삽입되어 있는 것을 특징으로 한다.In the cell voltage measuring apparatus according to the present invention, a cell voltage measuring apparatus for measuring a cell voltage by connecting a connector to a battery using a metal separating plate, wherein the connector includes a housing having a locking protrusion, and the metal separating plate includes: The engaging portion is formed by engaging the engaging projection is formed, characterized in that the elastic member is inserted in the housing so that the connector is easily assembled by elasticity even if the interval between the metal separating plate is not constant.

상기 탄성부재의 외면에는 탄성력을 높이도록 엠보부가 형성되어 있는 것이 바람직하다. 상기 엠보부는 산형돌기 또는 곡면돌기로 되어 있다.The outer surface of the elastic member is preferably embossed to increase the elastic force. The embossed portion is a ridge or curved protrusion.

본 발명에 의한 셀 전압 측정장치에 의하면, 전지에서 셀 간격이 일정하지 않을 경우에 커넥터가 용이하게 조립되고 금속 분리판에 커넥터가 안정적으로 접촉되어 전지의 동작상태를 정확히 모니터링할 수 있다는 효과가 있다..According to the cell voltage measuring apparatus according to the present invention, when the cell spacing is not constant in the battery, the connector is easily assembled and the connector is stably contacted with the metal separator plate, so that the operating state of the battery can be accurately monitored. ..

이하, 본 발명의 실시예에 대해 첨부도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도2은 본 발명이 적용된 셀 전압 측정장치의 커넥터가 금속분리판에 결합된 상태를 나타내는 입면도이고, 도3은 도2에서 화살표 A-A선에 따른 단면도이다. 셀 전압 측정장치의 전체 구성은 일반적인 구성이므로 자세한 설명은 생략한다. 도시한 바와 같이 전지의 금속 분리판(110)의 단부에는 측정 유닛(도시안됨)에 케이블(120)을 통해 연결된 커넥터(130)가 조립되어 있다.FIG. 2 is an elevation view illustrating a state in which a connector of a cell voltage measuring device to which the present invention is applied is coupled to a metal separator plate, and FIG. 3 is a cross-sectional view taken along the line A-A of FIG. Since the overall configuration of the cell voltage measuring device is a general configuration, detailed description thereof will be omitted. As shown in the drawing, a connector 130 connected to a measurement unit (not shown) through a cable 120 is assembled at the end of the metal separator 110 of the battery.

상기 커넥터(130)는 외면에 걸림돌기(131a)가 형성된 하우징(131)의 상단에 헤드(132)가 구비된 구조로서, 상기 하우징(131)의 내부에는 수용부(131b)가 형성되어 있다. 상기 수용부(131b)에는 상기 금속 분리판(110)이 다수개 배열된 구조에서 금속 분리판(110) 사이 간격이 일정하지 않더라도 탄성에 의해 커넥터가 용이하게 조립되도록 탄성부재(133)가 삽입되어 있다.The connector 130 has a structure in which a head 132 is provided on an upper end of a housing 131 having a locking protrusion 131a formed on an outer surface thereof, and an accommodating part 131b is formed inside the housing 131. In the structure in which the plurality of metal separators 110 are arranged in the receiving portion 131b, an elastic member 133 is inserted so that the connector can be easily assembled by elasticity even though the spacing between the metal separators 110 is not constant. have.

상기 금속 분리판(110)의 상단부에는 상기 커넥터(130)가 밀착하여 조립되는 연결부(111)가 형성되어 있으며, 상기 연결부(111)에는 상기 걸림돌기(131a)가 끼워져 걸리는 걸림부(111a)가 형성되어 있다. 상기 걸림부(111a)는 걸림 구멍으로 되어 있는데, 걸림 턱이나 걸림 홈 등으로 되어 있을 수도 있다.The upper end of the metal separating plate 110 is formed with a connecting portion 111 to be assembled in close contact with the connector 130, the engaging portion 111a is caught by the engaging projection (131a) is fitted Formed. The locking portion 111a is a locking hole, but may be a locking jaw or a locking groove.

상기 걸림돌기(131a)는 상기 금속분리판(110)의 연결부(111)를 따라 슬라이 딩하면서 상기 걸림부(111a)에 용이하게 결합되도록 하부가 경사지고 상부가 단차로 된 경사돌기 형태로 되어 있다.The locking protrusion 131a has a slanting protrusion having a lower slope and an upper stepped to be easily coupled to the locking portion 111a while sliding along the connecting portion 111 of the metal separator plate 110. .

도4 및 도5는 본 발명의 다른 실시예로서, 탄성부재(233)(333)의 외면에는 탄성력을 높이도록 엠보부(233a)(333a)가 형성되어 있다. 도4의 실시예에서 엠보부(233a)는 곡면돌기 형태로 되어 있으며, 도5의 실시예에서 엠보부(333a)는 산형돌기 형태로 되어 있다.4 and 5 show another embodiment of the present invention, embossing portions 233a and 333a are formed on the outer surfaces of the elastic members 233 and 333 to increase elastic force. In the embodiment of FIG. 4, the embossment 233a is in the form of a curved protrusion, and in the embodiment of FIG. 5, the embossment 333a is in the form of a ridge protrusion.

상기 탄성부재(133)(233)(333)는 고무재 등의 합성수지재나 판 스프링 등으로 되어 있다.The elastic members 133, 233, 333 are made of synthetic resin such as rubber or leaf spring.

이러한 본 발명의 구성에 의하면, 금속 분리판과 커넥터의 접촉을 안정화시켜 전압 측정치의 정확도를 향상시키고 전압 측정을 위한 커넥터를 간단히 금속분리판의 걸림부에 탈부착할 수 있으며, 상기 금속 분리판이 다수개 배열된 전지 구조에서 금속 분리판 사이 간격이 일정하지 않더라도 탄성에 의해 커넥터가 용이하게 조립될 수 있다.According to the configuration of the present invention, it is possible to stabilize the contact between the metal separator and the connector to improve the accuracy of the voltage measurement value, and the connector for voltage measurement can be easily attached to or detached from the engaging portion of the metal separator plate. The connector can be easily assembled by elasticity even if the spacing between the metal separator plates is not constant in the arranged battery structure.

그리고, 전지가 차량에 장착될 경우에 차량 진동 및 충격에 크게 영향을 받으므로 금속 분리판 간의 절연상태가 용이하게 확보된다.In addition, when the battery is mounted in the vehicle, the insulation state between the metal separation plates is easily secured because the battery is greatly affected by the vibration and impact of the vehicle.

도1은 종래 셀 전압 측정장치의 단자가 금속 분리판에 연결된 상태를 나타내는 단면도,1 is a cross-sectional view showing a state in which a terminal of a conventional cell voltage measuring device is connected to a metal separator plate;

도2는 본 발명이 적용된 셀 전압 측정장치의 커넥터가 금속분리판에 결합된 상태를 나타내는 입면도, 2 is an elevation view showing a state in which a connector of a cell voltage measuring device to which the present invention is applied is coupled to a metal separator plate;

도3은 도2에서 화살표 A-A선에 따른 단면도,3 is a cross-sectional view taken along the line A-A in FIG.

도4는 본 발명의 다른 실시예의 커넥터가 금속분리판에 결합된 상태를 나타내는 단면도,4 is a cross-sectional view showing a state in which a connector of another embodiment of the present invention is coupled to a metal separator plate;

도5는 본 발명의 또 다른 실시예의 커넥터가 금속분리판에 결합된 상태를 나타내는 단면도이다.5 is a cross-sectional view showing a state in which a connector of another embodiment of the present invention is coupled to a metal separator plate.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

110 : 금속 분리판 111a : 걸림부110: metal separator 111a: locking portion

120 : 케이블 130 : 커넥터120: cable 130: connector

131 : 하우징 131a : 걸림돌기131: housing 131a: locking projection

133, 233, 333 : 탄성부재133, 233, 333: elastic member

Claims (6)

일측면에 걸림돌기가 형성된 하우징을 구비하며 상기 하우징 내부에 하부로 개구되는 수용부가 형성된 커넥터와, A connector having a housing having a locking protrusion formed at one side thereof, and having a receiving portion opened downward in the housing; 상기 커넥터가 연결되어 셀 전압을 측정하며, 상기 커넥터가 연결시 밀착하여 조립되도록 상단부에 연결부가 형성되고 상기 연결부에 상기 하우징의 걸림돌기가 끼워져 걸리는 걸림부가 형성된 금속분리판을 포함하는 것을 특징으로 하는 셀 전압 측정장치.The connector is connected to measure the cell voltage, and the connection portion is formed on the upper end so that the connector is assembled in close contact, the cell comprises a metal separator plate formed with a locking portion that is caught by the engaging projection of the housing in the connection portion Voltage measuring device. 청구항 1에 있어서,The method according to claim 1, 상기 커넥터가 탄성력에 의해 상기 금속 분리판에 용이하게 조립되도록 상기 수용부에 탄성부재가 삽입되어 있는 것을 특징으로 하는 셀 전압 측정장치.And an elastic member is inserted into the receiving portion so that the connector is easily assembled to the metal separator plate by an elastic force. 청구항 1에 있어서,The method according to claim 1, 상기 걸림부는 걸림구멍으로 되어 있는 것을 특징으로 하는 셀 전압 측정장치.And the locking portion is a locking hole. 청구항 2에 있어서,The method according to claim 2, 상기 탄성부재의 외면에는 탄성력을 높이도록 엠보부가 형성되어 있는 것을 특징으로 하는 셀 전압 측정장치.Cell voltage measuring device, characterized in that the embossed portion is formed on the outer surface of the elastic member to increase the elastic force. 청구항 4에 있어서,The method according to claim 4, 상기 엠보부는 산형돌기로 되어 있는 것을 특징으로 하는 셀 전압 측정장치.Cell embossing device, characterized in that the embossed portion is a projection. 청구항 4에 있어서,The method according to claim 4, 상기 엠보부는 곡면돌기로 되어 있는 것을 특징으로 하는 셀 전압 측정장치.Cell embossing device, characterized in that the embossed portion is curved.
KR1020090114575A 2009-11-25 2009-11-25 Apparatus for Measuring Cell voltage KR101103507B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050048276A (en) * 2003-11-19 2005-05-24 현대자동차주식회사 A cell voltage monitoring device for a fuel cell stack
KR100588518B1 (en) 2004-12-20 2006-06-09 현대자동차주식회사 A cell voltage monitoring device for a fuel cell stack
KR20080015661A (en) * 2006-08-16 2008-02-20 현대자동차주식회사 A cell voltage monitoring device for fuel cell stack
KR20110053118A (en) * 2009-11-13 2011-05-19 현대자동차주식회사 Apparatus for measuring electric for fuel cell

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050048276A (en) * 2003-11-19 2005-05-24 현대자동차주식회사 A cell voltage monitoring device for a fuel cell stack
KR100588518B1 (en) 2004-12-20 2006-06-09 현대자동차주식회사 A cell voltage monitoring device for a fuel cell stack
KR20080015661A (en) * 2006-08-16 2008-02-20 현대자동차주식회사 A cell voltage monitoring device for fuel cell stack
KR20110053118A (en) * 2009-11-13 2011-05-19 현대자동차주식회사 Apparatus for measuring electric for fuel cell

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