KR20190011642A - Battery signals sensing device for automobile - Google Patents

Battery signals sensing device for automobile Download PDF

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Publication number
KR20190011642A
KR20190011642A KR1020170094433A KR20170094433A KR20190011642A KR 20190011642 A KR20190011642 A KR 20190011642A KR 1020170094433 A KR1020170094433 A KR 1020170094433A KR 20170094433 A KR20170094433 A KR 20170094433A KR 20190011642 A KR20190011642 A KR 20190011642A
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South Korea
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circuit board
conductive member
flexible circuit
battery
sensing device
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KR1020170094433A
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Korean (ko)
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KR101989169B1 (en
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이성민
김진구
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주식회사 경신
주식회사 써키트 플렉스
주식회사 써키트 플렉스
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Priority to KR1020170094433A priority Critical patent/KR101989169B1/en
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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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • 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
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The present invention relates to a signal sensing device for a vehicle battery, which comprises a state transmitting unit for transmitting a charge state and power supply state of a vehicle battery to a battery management system (BMS). The state transmitting unit includes: a hard conductive member made of a conductive material so as to receive a signal from the battery; a flexible circuit board forming a circuit pattern so as to receive a corresponding signal from the conductive member and transmit the signal to the BMS; and a connecting unit connecting the conductive member and the flexible circuit board so as to be electrically connected. In comparison to the prior art, the signal sensing device for detecting a voltage state or a charge state of a battery of an electric vehicle or a hybrid vehicle forms a layout by electrically connecting a hard conductor and a flexible circuit board, thereby significantly improving workability compared to an existing wiring, and increasing the durability for maintenance of electric connection.

Description

차량용 배터리의 신호 센싱장치{BATTERY SIGNALS SENSING DEVICE FOR AUTOMOBILE}Technical Field [0001] The present invention relates to a signal sensing device for a vehicle battery,

본 발명은 차량용 배터리의 신호 센싱장치에 관한 것으로서, 더욱 상세하게는 전기 차량이나 하이브리드 차량의 배터리의 전압 상태나 충전 상태를 검출하기 위한 신호 센싱장치를 경질의 도전체와 연성회로기판을 접착 통전시켜 레이아웃을 형성함에 따라 기존의 와이어링 대비 작업성을 현저히 향상시키고 통전 유지를 위한 내구성을 증대 가능한 차량용 배터리의 신호 센싱장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a signal sensing device for a vehicle battery, and more particularly, to a signal sensing device for detecting a voltage state or a charging state of a battery of an electric vehicle or a hybrid vehicle by adhesively energizing a hard conductor and a flexible circuit board And more particularly, to a signal sensing device for a vehicle battery capable of remarkably improving workability in comparison with existing wiring and increasing durability for maintaining electric current.

최근에는 내연 엔진과 전기자동차의 배터리 엔진을 동시에 장착하거나, 차체의 무게를 획기적으로 줄여 공기의 저항을 최소화하는 등 기존의 일반 차량에 비해 연비 및 유해가스 배출량을 획기적으로 줄인 하이브리드자동차(hybrid electric vehicle) 및 전기자동차가 개발되고 있다.In recent years, the hybrid electric vehicle (EV) has been significantly reduced in comparison with conventional vehicles, such as installing the internal combustion engine and the battery engine of the electric vehicle at the same time or minimizing the resistance of the air by drastically reducing the weight of the vehicle body. ) And electric vehicles are being developed.

이러한 하이브리드자동차 및 전기자동차의 경우에는 일반차량에 비해 고전압, 고전류를 요하게 된다. 따라서, 하이브리드자동차와 전기자동차의 외부로부터 전원을 공급받아 효율적으로 차량 내부로 전원을 분배하기 위한 전기장치가 필요로 된다.Such hybrid vehicles and electric vehicles require higher voltage and higher current than general vehicles. Accordingly, there is a need for an electric device for efficiently distributing electric power to the inside of the vehicle by receiving power from the outside of the hybrid vehicle and the electric vehicle.

이에 따라, 배터리 전원을 시동에 필요한 모터로 전달하기 위해, 배터리팩과 모터가 와이어 및 커넥터로 연결되어 통전되도록 설계된다.Accordingly, in order to transfer the battery power to the motor required for starting, the battery pack and the motor are designed to be connected to the wire and the connector to be energized.

특히, 배터리팩의 배터리셀에 구비되는 (+) 및 (-)단자와 버스 바가 전기적으로 연결된다.Particularly, the (+) and (-) terminals provided in the battery cell of the battery pack are electrically connected to the bus bar.

선행기술로 대한민국 등록특허공보 제10-1133237호(등록일 : 2012.03.28.)인 "하이브리드 차량용 커넥터"에는 차량용 모터와 배터리를 전기적으로 연결하는 기술이 제안된 바 있다.As a prior art, a technology for electrically connecting a vehicle motor and a battery to a "connector for a hybrid vehicle ", Korean Patent Registration No. 10-1133237 (registered on March 28, 2012), has been proposed.

상기한 기술구성은 본 발명의 이해를 돕기 위한 배경기술로서, 본 발명이 속하는 기술 분야에서 널리 알려진 종래기술을 의미하는 것은 아니다.The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

기존 차량의 배터리팩과 모터를 전기적으로 연결하기 위해서는 케이블이 구비되고, 케이블은 버스바와 압착 또는 볼트 결합되어 연결됨에 따라, 배선 조립성 및 생산성이 현저히 저하되는 문제점이 있다.A cable is provided to electrically connect the battery pack and the motor of the existing vehicle, and the cable is connected to the bus bar by press or bolt connection, thereby significantly deteriorating the wire assemblability and productivity.

따라서, 이를 개선할 필요성이 요청된다.Therefore, there is a need to improve this.

본 발명은 상기와 같은 문제점들을 개선하기 위하여 안출된 것으로서, 전기 차량이나 하이브리드 차량의 배터리의 전압 상태나 충전 상태를 검출하기 위한 신호 센싱장치를 경질의 도전체와 연성회로기판을 접착 통전시켜 레이아웃을 형성함에 따라 기존의 와이어링 대비 조립 작업성을 현저히 향상시키고자 하는 차량용 배터리의 신호 센싱장치를 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION It is an object of the present invention to provide a signal sensing device for detecting a voltage state or a charging state of a battery of an electric vehicle or a hybrid vehicle by adhesively energizing a hard conductor and a flexible circuit board, The present invention provides a signal sensing device for a vehicle battery that significantly improves assembling workability compared to conventional wiring.

그리고, 본 발명은 연성회로기판과 경질의 도전체를 압착하여 견고하게 접착하고, 커버층으로 보강함으로써 통전 유지를 위한 내구성을 증대시키고자 하는 차량용 배터리의 신호 센싱장치를 제공하는데 그 목적이 있다.It is another object of the present invention to provide a signal sensing device for a vehicle battery which is intended to increase the durability for maintaining electric current by firmly bonding a flexible circuit board and a hard conductor to each other, and reinforcing it with a cover layer.

본 발명에 따른 차량용 배터리의 신호 센싱장치는: 차량용 배터리의 충전 상태와 전원 공급 상태를 비엠에스(BMS)에 전달하는 상태전송유닛을 포함한다.A signal sensing apparatus for a vehicle battery according to the present invention includes: a status transmission unit for transmitting a charging status and a power supply status of a vehicle battery to a BMS.

상기 상태전송유닛은, 상기 배터리로부터 신호를 받도록 도전성 재질의 경질인 도전부재; 상기 도전부재로부터 해당 신호를 받아 상기 비엠에스로 전송하도록 회로패턴을 형성하는 연성회로기판; 및 상기 도전부재와 상기 연성회로기판을 통전 가능하게 연결하는 커넥팅부를 포함한다.Wherein the status transmission unit comprises: a hard conductive member of a conductive material to receive a signal from the battery; A flexible circuit board for receiving a signal from the conductive member and forming a circuit pattern to transmit the signal to the non-MS; And a connecting portion for connecting the conductive member and the flexible circuit board in an electrically conductive manner.

상기 커넥팅부는, 상기 회로패턴의 일부를 상기 연성회로기판에 노출되게 형성하는 노출부; 및 상기 회로패턴의 상기 노출부에 상기 도전부재를 연결하기 위해, 상기 노출부에 도전성 접착제를 도포하여 형성하는 도전접착층을 포함한다.Wherein the connecting portion includes: an exposed portion that exposes a part of the circuit pattern to the flexible circuit board; And a conductive adhesive layer formed by applying a conductive adhesive to the exposed portion to connect the conductive member to the exposed portion of the circuit pattern.

상기 연성회로기판은 가장자리에 상기 노출부를 노출하기 위해 함몰홈부를 형성하고, 상기 도전접착층은 상기 함몰홈부에 형성되며, 상기 도전부재는 상기 함몰홈부에 수용되어 상기 도전접착층에 접착될 수 있다.The flexible circuit board may have a depressed depressed portion to expose the exposed portion at an edge of the flexible printed circuit board. The conductive adhesive layer may be formed in the recessed depressed portion, and the conductive member may be received in the recessed depressed portion and adhered to the conductive adhesive layer.

상기 연성회로기판은 상기 회로패턴에 연결된 상기 도전부재를 내측에 수용하기 위해 절개부를 형성할 수 있다.The flexible circuit board may form a cutout for receiving the conductive member connected to the circuit pattern inside.

상기 연성회로기판과 상기 도전부재와 접착 후, 상기 연성회로기판과 상기 도전부재는 각각 외측이 커버층으로 덮여 보강될 수 있다.After the flexible circuit board and the conductive member are bonded to each other, the flexible circuit board and the conductive member may be covered with a cover layer.

이상에서 설명한 바와 같이, 본 발명에 따른 차량용 배터리의 신호 센싱장치는 종래 기술과 달리 전기 차량이나 하이브리드 차량의 배터리의 전압 상태나 충전 상태를 검출하기 위한 신호 센싱장치를 경질의 도전체와 연성회로기판을 접착 통전시켜 레이아웃을 형성함에 따라 기존의 와이어링 대비 조립 작업성을 현저히 향상시킬 수 있다.As described above, the signal sensing device for a vehicle battery according to the present invention differs from the prior art in that a signal sensing device for detecting a voltage state or a charging state of a battery of an electric vehicle or a hybrid vehicle is connected to a rigid conductor and a flexible circuit board And the layout is formed by applying adhesive force to the wire, so that assembling workability compared to the conventional wiring can be remarkably improved.

그리고, 본 발명은 연성회로기판과 경질의 도전체를 압착하여 견고하게 접착하고, 커버층으로 보강함으로써 통전 유지를 위한 내구성을 증대시킬 수 있다.The present invention can firmly adhere the flexible circuit board and the hard conductor to each other, firmly adhere to each other, and reinforce the cover layer, thereby increasing the durability for maintaining electric power.

도 1은 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 구성도이다.
도 2는 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 확대 사시도이다.
도 3은 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 분해 사시도이다.
도 4는 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 단면도이다.
도 5는 본 발명의 다른 실시예에 따른 차량용 배터리의 신호 센싱장치의 확대 사시도이다.
도 6은 본 발명의 다른 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 분해 사시도이다.
도 7은 본 발명의 다른 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 단면도이다.1 is a block diagram of a signal sensing device for a vehicle battery according to an embodiment of the present invention.
2 is an enlarged perspective view of a signal sensing device for a vehicle battery according to an embodiment of the present invention.
3 is a perspective exploded perspective view of a signal sensing device for a vehicle battery according to an embodiment of the present invention.
4 is a partial cross-sectional view of a signal sensing device for a vehicle battery according to an embodiment of the present invention.
5 is an enlarged perspective view of a signal sensing device for a vehicle battery according to another embodiment of the present invention.
6 is an exploded perspective view of a signal sensing device for a vehicle battery according to another embodiment of the present invention.
7 is a partial cross-sectional view of a signal sensing device for a vehicle battery according to another embodiment of the present invention.

이하, 첨부된 도면들을 참조하여 본 발명에 따른 차량용 배터리의 신호 센싱장치의 실시예들을 설명한다. 이 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다. 또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Hereinafter, embodiments of a signal sensing device for a vehicle battery according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

도 1은 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 구성도이고, 도 2는 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 확대 사시도이고, 도 3은 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 분해 사시도이며, 도 4는 본 발명의 일 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 단면도이다.2 is an enlarged perspective view of a signal sensing device for a vehicle battery according to an embodiment of the present invention. FIG. 3 is a cross-sectional view of the signal sensing device for a vehicle battery according to an embodiment of the present invention. FIG. 4 is a partial sectional view of a signal sensing device for a vehicle battery according to an embodiment of the present invention. FIG.

도 1 내지 도 4를 참조하면, 본 발명의 일 실시예에 따른 차량용 배터리(20)의 신호 센싱장치(10)는 배터리(20) 특히, 배터리 셀(이하에서는 '배터리'로 통칭함)과 비엠에스(BMS:Battery Management System,50)를 전기적으로 연결하는 상태전송유닛(100)을 포함한다.1 to 4, a signal sensing device 10 of a vehicle battery 20 according to an embodiment of the present invention includes a battery 20 (particularly, a battery) And a status transmission unit 100 for electrically connecting a battery management system (BMS) 50.

이때, 배터리(20)는 버스바(30)를 통해 상태전송유닛(100)에 연결될 수 있고, 비엠에스(50)는 커넥터(40)에 의해 상태전송유닛(100)에 연결될 수 있다.At this time, the battery 20 may be connected to the status transmission unit 100 via the bus bar 30, and the non-MS 50 may be connected to the status transmission unit 100 by the connector 40.

상태전송유닛(100)은 차량용 배터리(20)의 충전 상태와 전원 공급 상태를 비엠에스(50)에 전달하는 역할을 한다.The state transfer unit 100 serves to transfer the charged state and the power supply state of the vehicle battery 20 to the MS 50. [

상세히, 배터리(20)의 전원 충,방전 상태 및 전원 공급 상태를 관리하는 비엠에스(50)는 배터리(20)의 각 셀에 연결되어 각각의 배터리셀을 관리하고, 배터리(20)의 전원이 외부로 원활히 공급될 수 있도록 제어하는 역할을 한다.In detail, the MBS 50, which manages power supply, discharging state, and power supply state of the battery 20, is connected to each cell of the battery 20 to manage each battery cell, and the power source of the battery 20 So that it can be smoothly supplied to the outside.

그래서, 배터리(20)와 비엠에스(50)는 상태전송유닛(100)을 통해 안정적으로 상호 작용할 수 있도록 통전 가능하게 연결되어야 한다.Thus, the battery 20 and the non-MS 50 must be conductively connected so as to stably interact with each other via the status transmission unit 100. [

이를 위해, 상태전송유닛(100)은 도전부재(110), 연성회로기판(120) 및 커넥팅부(130)를 포함한다.To this end, the status transmission unit 100 includes a conductive member 110, a flexible circuit board 120, and a connecting portion 130.

도전부재(110)는 배터리(20)로부터 신호를 받도록 도전성 재질로 이루어지고, 경질인 버스바(30)와 레이저 접합이나 리벳팅 등에 의해 견고하게 연결될 수 있도록 경질로 이루어진다.The conductive member 110 is made of a conductive material so as to receive a signal from the battery 20 and is made rigid so as to be firmly connected to the hard bus bar 30 by laser welding or riveting.

예로서, 도전부재(110)는 도전성이 큰 동판(銅版)으로 적용할 수 있다. 물론, 도전부재(110)는 경질의 다양한 재질로 적용 가능하다.For example, the conductive member 110 can be applied as a copper plate having high conductivity. Of course, the conductive member 110 is applicable to various hard materials.

그리고, 연성회로기판(120)은 도전부재(110)로부터 해당 신호를 받아 비엠에스(50)로 전송하는 것으로, 차량 내부에서 다양한 궤적으로 레이아웃이 가능하도록 가요성을 갖는 재질로 이루어진다. 아울러, 연성회로기판(120)은 도전부재(110)와 비엠에스(50)를 전기적으로 연결할 수 있도록 회로패턴(122)이 형성된다. The flexible circuit board 120 receives the signal from the conductive member 110 and transmits the signal to the bus 50. The flexible circuit board 120 is made of a flexible material so that it can be laid out in various traces within the vehicle. The circuit board 120 is formed with a circuit pattern 122 for electrically connecting the conductive member 110 and the non-MS 50 to each other.

물론, 회로패턴(122)은 다양한 궤적을 따라 형성될 수 있고, 다양한 방식으로 연성회로기판(120)에 형성될 수 있다.Of course, the circuit patterns 122 may be formed along various trajectories and may be formed on the flexible circuit board 120 in various ways.

또한, 커넥팅부(130)는 도전부재(110)와 연성회로기판(120)을 통전 가능하도록 견고하게 연결하는 역할을 한다.The connecting portion 130 serves to connect the conductive member 110 and the flexible circuit board 120 so as to be conductive.

여기서, 커넥팅부(130)는 노출부(132) 및 도전접착층(134)을 포함한다.Here, the connecting portion 130 includes an exposed portion 132 and a conductive adhesive layer 134.

노출부(132)는 연성회로기판(120)의 외측으로 노출 방지되는 회로패턴(122)의 일부를 연성회로기판(120)에 노출되어 형성된다. 특히, 노출부(132)는 연성회로기판(120)의 적어도 버스바(30)와 연결되는 측 가장자리에 함몰홈부(124)를 형성함으로써 회로패턴(122)의 일측이 노출되는 것으로 할 수 있다.The exposed portion 132 is formed by exposing a part of the circuit pattern 122, which is prevented from being exposed to the outside of the flexible circuit board 120, on the flexible circuit board 120. Particularly, the exposed portion 132 may be exposed at one side of the circuit pattern 122 by forming the depressed trench 124 at least on the side edge of the flexible circuit board 120 which is connected to the bus bar 30.

그리고, 도전접착층(134)은 회로패턴(122)의 노출부(132)에 도전부재(110)를 연결 가능하도록, 함몰홈부(124)의 노출부(132)에 도전성 접착제를 도포하여 형성된다. 이때, 도전접착층(134)이 완전히 경화되기 전(前)에 도전부재(110)가 도전접착층(134)에 압착되어 접착된다.The conductive adhesive layer 134 is formed by applying a conductive adhesive to the exposed portion 132 of the depressed trench 124 so that the conductive member 110 can be connected to the exposed portion 132 of the circuit pattern 122. At this time, before the conductive adhesive layer 134 is completely cured, the conductive member 110 is pressed and adhered to the conductive adhesive layer 134.

따라서, 회로패턴(122)의 노출부(132)와 도전부재(110)는 도전접착층(134)에 의해 상호 접착됨으로써 통전된다.The exposed portion 132 of the circuit pattern 122 and the conductive member 110 are electrically connected to each other by the conductive adhesive layer 134. [

이때, 연성회로기판(120)의 함몰홈부(124)는 도전접착층(134)을 형성하기 위해 노출부(132)에 도포되는 도전성 접착체가 연성회로기판(120)의 외측으로 일정 이상 퍼져 유동되는 것을 방지하고, 노출부(132)와 접착되는 도전부재(110)와 연성회로기판(120)의 전체 높이를 줄이는 역할을 한다.At this time, the recessed groove portion 124 of the flexible circuit board 120 is formed such that the conductive adhesive applied to the exposed portion 132 flows to the outside of the flexible circuit board 120 by a predetermined amount or more to form the conductive adhesive layer 134 And serves to reduce the overall height of the conductive member 110 and the flexible circuit board 120, which are bonded to the exposed portion 132.

아울러, 도전부재(110)가 함몰홈부(124)에 수용됨으로써, 도전부재(110)는 연성회로기판(120)에 견고하게 구속될 수 있다.In addition, since the conductive member 110 is accommodated in the recessed groove portion 124, the conductive member 110 can be firmly fixed to the flexible circuit board 120.

또한, 연성회로기판(120)은 가장자리 일부를 절개하여 절개부(126)를 형성한다. 그리고, 도전부재(110) 중 노출부(132)와 접착되지 않는 부분은 연성회로기판(120)의 절개부(126)에 수용될 수 있다. 그래서, 도전부재(110)가 절개부(126)에 수용되어 연성회로기판(120)으로부터 보호됨으로써, 제작 완성된 본 발명에 따른 상태전송유닛(100) 중 도전부재(110)가 유통 중에 파손이나 변형되지 않을 수 있다.In addition, the flexible circuit board 120 cuts a part of the edge to form a cutout 126. A portion of the conductive member 110 that does not adhere to the exposed portion 132 may be received in the cutout 126 of the flexible circuit board 120. Thus, the conductive member 110 is received in the cutout 126 and protected from the flexible circuit board 120, whereby the conductive member 110 of the state transceiver unit 100 according to the present invention, It may not be deformed.

그리고, 도전부재(110)가 절개부(126) 내측에 수용됨에 따라, 도전부재(110) 중 노출부(132)와 접착되지 않는 부분과 연성회로기판(120)의 전체 높이는 줄어들 수 있게 된다. 그래서, 제작 완성된 본 발명에 따른 상태전송유닛(100)의 부피(높이)가 줄어들게 된다.As the conductive member 110 is housed inside the cutout portion 126, the entire height of the portion of the conductive member 110 that is not bonded to the exposed portion 132 and the entirety of the flexible circuit board 120 can be reduced. Thus, the volume (height) of the state transmission unit 100 according to the present invention is reduced.

또한, 도전부재(110)의 일부와 노출부(132)가 도전접착층(134)에 의해 접착된 상태에서, 도전부재(110)가 절개부(126)를 형성한 연성회로기판(120)의 일측 방향으로 당겨질 경우, 도전접착층(134)이 전단력에 의해 접착력이 파괴됨에 따라, 도전부재(110)와 노출부(132)가 분리될 수 있다.The conductive member 110 is formed on one side of the flexible circuit board 120 on which the cutout portion 126 is formed in a state where a part of the conductive member 110 and the exposed portion 132 are bonded by the conductive adhesive layer 134 The conductive member 110 and the exposed portion 132 can be separated as the adhesive force of the conductive adhesive layer 134 is broken by the shear force.

이를 방지하기 위해, 도전부재(110)는 축 방향에 대해 양측 가장자리에 노치홈부(136)를 형성하고, 연성회로기판(120)은 노치홈부(136)에 수용되는 스토퍼(138)를 형성할 수 있다. 그래서, 도전부재(110)가 도전접착층(134)에 의해 노출부(132)에 압착되어 접착시, 노치홈부(136)가 스토퍼(138)를 수용함으로써, 도전부재(110)는 일정 이하의 당김력 내에서 연성회로기판(120)의 일측으로 당겨지더라도 더욱 견고하게 노출부(132)에 접착된 상태를 유지할 수 있다.In order to prevent this, the conductive member 110 may have notch groove portions 136 at both side edges thereof with respect to the axial direction, and the flexible circuit board 120 may form a stopper 138 accommodated in the notch groove portion 136 have. When the conductive member 110 is pressed to the exposed portion 132 by the conductive adhesive layer 134 and the notch groove portion 136 receives the stopper 138 when the conductive member 110 is adhered, Even if the flexible printed circuit board 120 is pulled to one side of the flexible printed circuit board 120, the state of being adhered to the exposed portion 132 can be more firmly maintained.

결과적으로, 배터리(20)와 비엠에스(50)를 전기적으로 연결하는 상태전송유닛(100)은 와이어링 통전이 아니고 도전부재(110)와 연성회로기판(120)을 접착하여 전기적으로 통전시킴으로써, 상태전송유닛(100)의 조립성이 현저히 향상된다.As a result, the state transfer unit 100, which electrically connects the battery 20 and the MBS 50, is electrically connected to the conductive circuit board 120 by bonding the conductive member 110 to the flexible circuit board 120, The assembling performance of the status transmission unit 100 is remarkably improved.

도 5는 본 발명의 다른 실시예에 따른 차량용 배터리의 신호 센싱장치의 확대 사시도이고, 도 6은 본 발명의 다른 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 분해 사시도이며, 도 7은 본 발명의 다른 실시예에 따른 차량용 배터리의 신호 센싱장치의 요부 단면도이다.FIG. 5 is an enlarged perspective view of a signal sensing device for a vehicle battery according to another embodiment of the present invention, FIG. 6 is an exploded perspective view of a signal sensing device for a vehicle battery according to another embodiment of the present invention, Fig. 3 is a partial cross-sectional view of a signal sensing device for a vehicle battery according to another embodiment of the present invention.

도 5 내지 도 7을 참조하면, 본 발명의 다른 실시예에 따른 차량용 배터리(20)의 신호 센싱장치(10)는 상태전송유닛(100)을 포함하고, 상태전송유닛(100)은 도전부재(110), 연성회로기판(120), 커넥팅부(130), 제 1커버층(142) 및 제 2커버층(144)을 포함한다.5 to 7, a signal sensing device 10 of a vehicle battery 20 according to another embodiment of the present invention includes a status transmission unit 100, and the status transmission unit 100 includes a conductive member (not shown) 110, a flexible circuit board 120, a connecting portion 130, a first cover layer 142, and a second cover layer 144.

여기서, 도전부재(110), 연성회로기판(120) 및 커넥팅부(130)는 상술한 것으로 대체한다.Here, the conductive member 110, the flexible circuit board 120, and the connecting portion 130 are replaced with the above-described ones.

이때, 도전부재(110)와 연성회로기판(120)이 도전접착층(134)으로 접착된 상태에서 벌어지는 방향으로 외력 작용시, 도전부재(110)와 연성회로기판(120)은 분리될 수 있다.At this time, the conductive member 110 and the flexible circuit board 120 can be separated from each other when the conductive member 110 and the flexible circuit board 120 are adhered to each other with the conductive adhesive layer 134 in an external direction.

이를 방지하기 위해, 상태전송유닛(100)은 제 1커버층(142)과 제 2커버층(144)을 더 포함할 수 있다.In order to prevent this, the status transmission unit 100 may further include a first cover layer 142 and a second cover layer 144.

도전부재(110)와 연성회로기판(120)이 접착된 상태에서, 제 1커버층(142)은 연성회로기판(120)의 외측(하측)에 접착되고, 제 2커버층(144)은 자체 접착력 또는 도전접착층(134)의 접착력에 의해 도전부재(110)의 외측과 연성회로기판(120)의 외측(상측)에 접착된다.The first cover layer 142 is adhered to the outer side (lower side) of the flexible circuit board 120 and the second cover layer 144 is adhered to the flexible circuit board 120 in the state where the conductive member 110 and the flexible circuit board 120 are bonded to each other. Is adhered to the outer side of the conductive member 110 and the outer side (upper side) of the flexible circuit board 120 by the adhesive force or the adhesive force of the conductive adhesive layer 134.

그리고, 제 1커버층(142)과 제 2커버층(144)은 대향하는 가장자리를 따라 일부분이 상호 접착된다. 그래서, 도전부재(110)와 연성회로기판(120)의 접착부위는 제 1커버층(142)과 제 2커버층(144)에 의해 보강되어 접착된 상태를 견고하게 유지할 수 있게 된다.The first cover layer 142 and the second cover layer 144 are adhered to each other along the opposite edges. Thus, the bonding portion between the conductive member 110 and the flexible circuit board 120 is reinforced by the first cover layer 142 and the second cover layer 144 to firmly maintain the bonded state.

물론, 제 1커버층(142)과 제 2커버층(144)은 절연 재질로 이루어지고, 다양한 형상으로 변형 가능하다.Of course, the first cover layer 142 and the second cover layer 144 are made of an insulating material and can be deformed into various shapes.

결과적으로, 상태전송유닛(100)을 구성하는 도전부재(110)와 연성회로기판(120)은 도전접착층(134)의 접착력 및, 제 1커버층(142)과 제 2커버층(144)의 보강으로 인해 밀착력(접착력)이 더욱 증대됨으로써, 상태전송유닛(100)의 내구성이 현저히 향상된다.As a result, the conductive member 110 and the flexible circuit board 120 constituting the status transmission unit 100 are bonded to each other by the adhesive force of the conductive adhesive layer 134 and the adhesive force between the first cover layer 142 and the second cover layer 144 The adhesion force (adhesive force) is further increased due to the reinforcement, whereby the durability of the state transfer unit 100 is remarkably improved.

미설명된 도면부호는 상술한 것으로 대체한다.The reference numerals not described are replaced with those described above.

본 발명은 도면에 도시된 실시예들을 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: 신호 센싱장치 20: 배터리
30: 버스바 40: 커넥터
50: 비엠에스(BMS) 100: 상태전송유닛
110: 도전부재 120: 연성회로기판
122: 회로패턴 124: 함몰홈부
126: 절개부 130: 커넥팅부
132: 노출부 134: 도전접착층
136: 노치홈부 138: 스토퍼
142: 제 1커버층 144: 제 2커버층10: Signal sensing device 20: Battery
30: bus bar 40: connector
50: BMS 100: Status transfer unit
110: conductive member 120: flexible circuit board
122: circuit pattern 124: recessed groove portion
126: incision part 130: connecting part
132: exposed portion 134: conductive adhesive layer
136: notch groove portion 138: stopper
142: first cover layer 144: second cover layer

Claims (5)

차량용 배터리의 충전 상태와 전원 공급 상태를 비엠에스(BMS:Battery Management System)에 전달하는 상태전송유닛을 포함하고,
상기 상태전송유닛은, 상기 배터리로부터 신호를 받도록 도전성 재질의 경질인 도전부재;
상기 도전부재로부터 해당 신호를 받아 상기 비엠에스로 전송하도록 회로패턴을 형성하는 연성회로기판; 및
상기 도전부재와 상기 연성회로기판을 통전 가능하게 연결하는 커넥팅부를 포함하는 것을 특징으로 하는 차량용 배터리의 신호 센싱장치.
And a state transfer unit for transferring a charged state and a power supply state of the vehicle battery to a battery management system (BMS)
Wherein the status transmission unit comprises: a hard conductive member of a conductive material to receive a signal from the battery;
A flexible circuit board for receiving a signal from the conductive member and forming a circuit pattern to transmit the signal to the non-MS; And
And a connecting portion for connecting the conductive member and the flexible circuit board so as to be electrically connected to each other.
제 1항에 있어서, 상기 커넥팅부는,
상기 회로패턴의 일부를 상기 연성회로기판에 노출되게 형성하는 노출부; 및
상기 회로패턴의 상기 노출부에 상기 도전부재를 연결하기 위해, 상기 노출부에 도전성 접착제를 도포하여 형성하는 도전접착층을 포함하는 것을 특징으로 하는 차량용 배터리의 신호 센싱장치.
[2] The apparatus of claim 1,
An exposed portion that exposes a part of the circuit pattern to the flexible circuit board; And
And a conductive adhesive layer formed by applying a conductive adhesive agent to the exposed portion to connect the conductive member to the exposed portion of the circuit pattern.
제 2항에 있어서,
상기 연성회로기판은 가장자리에 상기 노출부를 노출하기 위해 함몰홈부를 형성하고,
상기 도전접착층은 상기 함몰홈부에 형성되며,
상기 도전부재는 상기 함몰홈부에 수용되어 상기 도전접착층에 접착되는 것을 특징으로 하는 차량용 배터리의 신호 센싱장치.
3. The method of claim 2,
Wherein the flexible circuit board has a depression for exposing the exposed portion at an edge thereof,
Wherein the conductive adhesive layer is formed in the depressed trench,
Wherein the conductive member is received in the recessed groove portion and adhered to the conductive adhesive layer.
제 1항 또는 제 2항에 있어서,
상기 연성회로기판은 상기 회로패턴에 연결된 상기 도전부재를 내측에 수용하기 위해 절개부를 형성하는 것을 특징으로 하는 차량용 배터리의 신호 센싱장치.
3. The method according to claim 1 or 2,
Wherein the flexible circuit board forms a cut-out portion for receiving the conductive member connected to the circuit pattern inside.
제 3항에 있어서,
상기 연성회로기판과 상기 도전부재와 접착 후, 상기 연성회로기판과 상기 도전부재는 각각 커버층으로 덮여 보강되는 것을 특징으로 하는 차량용 배터리의 신호 센싱장치.The method of claim 3,
Wherein the flexible circuit board and the conductive member are respectively covered with a cover layer after being adhered to the flexible circuit board and the conductive member.
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