KR100871167B1 - Connector having solar-cell protection circuit - Google Patents

Connector having solar-cell protection circuit Download PDF

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Publication number
KR100871167B1
KR100871167B1 KR1020080067971A KR20080067971A KR100871167B1 KR 100871167 B1 KR100871167 B1 KR 100871167B1 KR 1020080067971 A KR1020080067971 A KR 1020080067971A KR 20080067971 A KR20080067971 A KR 20080067971A KR 100871167 B1 KR100871167 B1 KR 100871167B1
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South Korea
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solar cell
output terminal
connector
protection circuit
cell module
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KR1020080067971A
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Korean (ko)
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김석원
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김석원
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/655—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth brace
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/02016—Circuit arrangements of general character for the devices
    • H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02021—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

A connector with a solar cell protection circuit is provided to have a circuit for protecting a solar cell of a solar cell module in a connector connected to a solar cell of a solar cell module, thereby making the connector compact and easy installation. A housing(10c) is integrally formed with a plug(10b) or a socket(10a). A protecting circuit protects a solar cell of a solar cell module in the housing. A fuse(11) is serially connected to one of output terminals of the solar cell module. A blocking diode(12) is serially connected to the fuse. A surge absorber(13) is parallel connected between one output terminal and another output terminal to which the fuse and the blocking diode are serially connected. Wiring circuit breakers(14) are one output terminal and another output terminal.

Description

쏠라셀 보호회로가 구비된 커넥터{CONNECTOR HAVING SOLAR-CELL PROTECTION CIRCUIT}CONNECTOR HAVING SOLAR-CELL PROTECTION CIRCUIT}

본 발명은 쏠라셀 보호회로가 구비된 커넥터에 관한 것으로, 보다 상세하게는 태양전지모듈에 연결되는 커넥터에 태양전지모듈의 쏠라셀을 보호하기 위한 회로가 내부에 구비되어 컴팩트할 뿐만 아니라 태양광 발전시스템의 시공 및 설치를 용이하게 하는 쏠라셀 보호회로가 구비된 커넥터에 관한 것이다.The present invention relates to a connector having a solar cell protection circuit, and more particularly, a circuit for protecting the solar cell of the solar cell module is provided inside the connector connected to the solar cell module, as well as compact and photovoltaic power generation. The present invention relates to a connector having a solar cell protection circuit for facilitating construction and installation of a system.

일반적으로, 태양광 발전에서는 태양 빛을 솔라셀(solar cell) 또는 태양광모듈(photovoltaic module)에 집광시켜 발전을 수행하는 것을 의미한다. 태양광모듈은 태양광 전지판의 일종으로 솔라모듈 등으로 호칭되며, 일반형, 창호형, 추적형, 하이브리드형(다른 청정에너지 발전수단과 병행된 타입) 등이 존재한다.In general, solar power generation means concentrating solar light on a solar cell or a photovoltaic module to perform power generation. The solar module is called a solar module as a kind of solar panel, and there are a general type, a window type, a tracking type, and a hybrid type (type in parallel with other clean energy generating means).

상기의 태양광 모듈은 수개의 쏠라셀(Solar Cell)이 직렬로 연결된 스트링이 병렬로 연결되어 구성되며, 상기 스트링 각각은 쏠라셀을 보호하기 위한 보호회로가 구비된 접속상자에 접속된다. 도 3은 상기와 같은 일반적인 태양광 발전 시스템을 구성하는 회로를 도시한 것으로, 도면을 참조하면 일반적인 태양광 발전 시스템에는 쏠라셀(110a)이 직렬로 연결된 수개의 스트링(110,110',110")이 병렬로 연 결된 태양전지모듈(100)과, 상기 태양전지모듈(100)의 스트링(110,110',110")이 접속된 통상의 접속상자(200)를 도시한 것이다. 통상 접속상자(200)에는 스트링 각각의 쏠라셀을 보호하기 위한 회로가 구비된다. 도면을 참조하면, 상기 접속상자(200)에는 스트링(110,110',110") 각각에 직렬연결된 퓨즈(210,210',210")와, 상기 퓨즈(210,210',210") 각각에 직렬로 연결된 블로킹 다이오우드(220,220',220")와, 상기 스트링(110,110',110"), 퓨즈(210,210',210"), 블로킹 다이오우드(220,220',220")가 직렬로 연결된 각 회로가 병렬로 연결되어 형성된 출력단에 병렬로 연결된 서지흡수기(230) 및 상기 출력단에 구비된 배선용차단기(240)로 구성된다. 상기 출력단은 수개의 접속상자(200)가 집속되게 연결되는 메인 접속상자(300)에 연결되어 집속되며, 메인 접속상자(300)로부터 출력되는 직류전력은 인버터(도면에 미도시)를 통해 교류로 변환된다.The photovoltaic module includes a string in which several solar cells are connected in series and connected in parallel, and each of the strings is connected to a junction box provided with a protection circuit for protecting the solar cell. FIG. 3 is a circuit diagram illustrating a general photovoltaic power generation system as described above. Referring to the drawings, a plurality of strings 110, 110 ′, 110 ″ in which a solar cell 110a is connected in series are described. The solar cell module 100 connected in parallel and the conventional junction box 200 is connected to the string (110, 110 ', 110 ") of the solar cell module 100 is shown. Typically, the junction box 200 is provided with a circuit for protecting the solar cells of each string. Referring to the drawings, the junction box 200 includes fuses 210, 210 'and 210 "connected in series to strings 110, 110' and 110", and blocking diodes connected in series to the fuses 210, 210 'and 210 ", respectively. An output terminal formed by connecting the circuits 220, 220 ', 220 ", the strings 110, 110', 110", fuses 210, 210 ', 210 ", and blocking diodes 220, 220', and 220" in series. It consists of a surge absorber 230 and a wiring circuit breaker 240 provided in the output terminal connected in parallel to the output terminal is connected to the main connection box 300, which is connected to a number of connection boxes 200 are focused. The DC power output from the main connection box 300 is converted into AC through an inverter (not shown).

상기와 같은 통상의 태양광 발전 시스템에 쏠라셀을 보호하기 위한 회로가 구비된 접속상자(200)는 그에 연결되는 쏠라셀 스트링의 회선 수에 관계없이 연결단자가 고정적으로 구성되기 때문에 쏠라셀 스트링의 회선 수가 많거나 적은 경우에 연결단자가 부족하거나 낭비되는 단점이 있다.In the conventional photovoltaic power generation system, the connection box 200 provided with a circuit for protecting the solar cell has a fixed number of solar cell strings regardless of the number of circuit lines of the solar cell string connected thereto. If there are many or fewer lines, there is a disadvantage in that the connection terminal is short or wasted.

또한, 상기와 같은 통상의 접속상자는 태양광 발전 시스템의 시공시 별도로 제작되어 시공되기 때문에 시공 및 설치가 번거롭고 공간을 차지하는 단점을 갖는다.In addition, the conventional connection box as described above has a disadvantage in that the construction and installation is cumbersome and occupies a space because it is manufactured and constructed separately during the construction of the solar power generation system.

본 발명은 상기와 같은 단점을 해결하기 위한 것으로 본 발명의 목적은 태양전지모듈에 연결되는 커넥터에 태양전지모듈의 쏠라셀을 보호하기 위한 회로가 내부에 구비되어 컴팩트할 뿐만 아니라 태양광 발전시스템의 시공 및 설치를 용이하게 하는 쏠라셀 보호회로가 구비된 커넥터를 제공하기 위한 것이다.The present invention is to solve the above disadvantages and an object of the present invention is to provide a circuit for protecting the solar cell of the solar cell module in the connector connected to the solar cell module is not only compact but also of the solar power generation system It is to provide a connector with a solar cell protection circuit that facilitates installation and installation.

상기와 같은 목적을 달성하기 위하여 본 발명에 따른 쏠라셀 보호회로가 구비된 커넥터는, 복수개의 쏠라셀이 배열되어 구성된 태양전지모듈의 출력단과 전력수전회로의 입력단을 연결하기 위하여 플러그와 소켓으로 구성된 커넥터에 있어서, 상기 플러그 측 또는 소켓 측에는 하우징이 그 플러그 또는 소켓과 일체로 형성되어 구비되고, 상기 하우징의 내부에는 상기 태양전지모듈의 쏠라셀을 보호하기 위한 보호회로가 구비되되, 상기 보호회로는 상기 태양전지모듈의 출력단 중 일측 출력단과 직렬로 연결되는 퓨즈와, 상기 퓨즈에 직렬로 연결된 블로킹 다이오우드와, 상기 퓨즈와 블로킹 다이오우드가 직렬로 연결된 일측 출력단과 타측 출력단 사이에 병렬로 연결된 서지흡수기, 및 상기 일측 출력단과 타측 출력단에 구비된 배선용차단기로 구성된 것을 특징으로 한다.In order to achieve the above object, a connector having a solar cell protection circuit according to the present invention includes a plug and a socket for connecting an output terminal of a solar cell module configured with a plurality of solar cells and an input terminal of a power receiving circuit. In the connector, a housing is formed integrally with the plug or socket on the plug side or the socket side, and a protection circuit is provided inside the housing to protect the solar cell of the solar cell module. A fuse connected in series with one of the output terminals of the solar cell module, a blocking diode connected in series with the fuse, a surge absorber connected in parallel between one output terminal and the other output terminal with the fuse and the blocking diode connected in series, and Consists of a circuit breaker provided at the one output terminal and the other output terminal It is characterized by.

상기와 같은 구성에 의하여 본 발명에 따른 쏠라셀 보호회로가 구비된 커넥터는 태양전지모듈에 연결되는 커넥터에 태양전지모듈의 쏠라셀을 보호하기 위한 회로가 내부에 구비되어 컴팩트할 뿐만 아니라 태양광 발전시스템의 시공 및 설치를 용이하게 하는 장점을 갖는다.According to the above configuration, the connector with the solar cell protection circuit according to the present invention is provided with a circuit for protecting the solar cell of the solar cell module in a connector connected to the solar cell module, as well as compact and photovoltaic power generation. Has the advantage of facilitating the construction and installation of the system.

이하에서는 도면에 도시된 실시예를 참조하여 본 발명에 따른 쏠라셀 보호회로가 구비된 커넥터를 보다 상세하게 설명하기로 한다.Hereinafter, a connector with a solar cell protection circuit according to the present invention will be described in more detail with reference to the embodiment shown in the drawings.

도 1은 본 발명의 일실시예에 따른 쏠라셀 보호회로가 구비된 커넥터를 도시한 외관도이고, 도 2는 본 발명의 일실시예에 따른 쏠라셀 보호회로가 구비된 커넥터의 보호회로를 도시한 회로도이다.1 is an external view illustrating a connector having a solar cell protection circuit according to an embodiment of the present invention, and FIG. 2 illustrates a protection circuit of a connector equipped with a solar cell protection circuit according to an embodiment of the present invention. One schematic.

도면을 참조하면, 본 발명의 일실시예에 따른 쏠라셀 보호회로가 구비된 커넥터(10)는 복수개의 쏠라셀(C)이 배열되어 구성된 태양전지모듈(M)의 출력단(O1,02)과 전력수전회로(P)의 입력단(I1,I2)을 연결하기 위하여 플러그(10b)와 소켓(10a)으로 구성된다. 본 발명은 상기 플러그(10b) 측 또는 소켓(10a) 측에는 하우징(10c)이 구비되고, 상기 하우징(10c)의 내부에는 상기 태양전지모듈(M)의 쏠라셀(C)을 보호하기 위한 보호회로가 구비된 것을 특징으로 한다. 도면에는 상기 하우징(10c)이 플러그(10b) 측에 구비된 예가 도시되어 있으나 상기 하우징(10c)는 도면과 달리 소켓(10a) 측에 구비될 수 있다.Referring to the drawings, the connector 10 provided with the solar cell protection circuit according to an embodiment of the present invention and the output terminal (O1,02) of the solar cell module (M) is configured with a plurality of cells (C) are arranged It is composed of a plug 10b and a socket 10a for connecting the input terminals I1 and I2 of the power receiving circuit P. The present invention is provided with a housing (10c) on the plug (10b) side or the socket (10a) side, the protection circuit for protecting the solar cell (C) of the solar cell module (M) in the housing (10c). Characterized in that provided. In the drawing, an example in which the housing 10c is provided on the plug 10b side is illustrated, but the housing 10c may be provided on the socket 10a side unlike the drawing.

상기 보호회로는 상기 태양전지모듈(M)의 출력단(O1,O2) 중 일측 출력단(O1)과 직렬로 연결되는 퓨즈(11)와, 상기 퓨즈(11)에 직렬로 연결된 블로킹 다이오우드(12)와, 상기 퓨즈(11)와 블로킹 다이오우드(12)가 직렬로 연결된 일측 출력단(O1)과 타측 출력단(O2) 사이에 병렬로 연결된 서지흡수기(13), 및 상기 일측 출 력단(O1)과 타측 출력단(O2)에 구비된 배선용차단기(14)로 구성된다.The protection circuit includes a fuse 11 connected in series with one output terminal O1 of the output terminals O1 and O2 of the solar cell module M, and a blocking diode 12 connected in series with the fuse 11. A surge absorber 13 connected in parallel between the one output terminal O1 and the other output terminal O2 in which the fuse 11 and the blocking diode 12 are connected in series, and the one output terminal O1 and the other output terminal ( And a circuit breaker 14 provided at O2).

상기 퓨즈(11)는 부하전류가 급격히 증가되는 경우 융단으로 전류를 차단함으로써 쏠라셀(C)을 보호하게 된다.The fuse 11 protects the solar cell C by cutting off the current through the rug when the load current increases rapidly.

상기 블로킹 다이오우드(12)는 쏠라셀(C)로의 역류를 방지하여 쏠라셀(C)을 보호하게 된다.The blocking diode 12 prevents backflow into the solar cell C to protect the solar cell C. Referring to FIG.

상기 서지흡수기(13)는 낙뢰 등으로 회로에 급격한 서지전류가 흐르는 경우 이를 차단하여 쏠라셀(C)을 보호하게 된다.The surge absorber 13 protects the solar cell C by blocking a sudden surge current flowing through the circuit due to a lightning strike.

앞에서 설명되고 도면에 도시된 쏠라셀 보호회로가 구비된 커넥터는 본 발명을 실시하기 위한 하나의 실시예에 불과하며, 본 발명의 기술적 사상을 한정하는 것으로 해석되어서는 안된다. 본 발명의 보호범위는 이하의 특허청구범위에 기재된 사항에 의해서만 정하여지며, 본 발명의 요지를 벗어남이 없이 개량 및 변경된 실시예는 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 자명한 것인 한 본 발명의 보호범위에 속한다고 할 것이다.The connector with the solar cell protection circuit described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the claims below, and the embodiments improved and changed without departing from the gist of the present invention will be apparent to those skilled in the art. It will be said to belong to the protection scope of the present invention.

도 1은 본 발명의 일실시예에 따른 쏠라셀 보호회로가 구비된 커넥터를 도시한 외관도1 is an external view showing a connector provided with a solar cell protection circuit according to an embodiment of the present invention

도 2는 본 발명의 일실시예에 따른 쏠라셀 보호회로가 구비된 커넥터의 보호회로를 도시한 회로도2 is a circuit diagram showing a protection circuit of a connector with a solar cell protection circuit according to an embodiment of the present invention.

도 3은 일반적인 태양광 발전 시스템의 구성을 도시한 회로도3 is a circuit diagram showing the configuration of a general photovoltaic system

<주요 도면부호에 대한 간단한 설명><Short description of the major reference symbols>

10 커넥터10 connectors

10a 소켓     10a socket

10b 플러그     10b plug

10c 하우징     10c housing

11 퓨즈          11 fuses

12 블로킹 다이오우드          12 blocking diode

13 서지흡수기          13 Surge Absorbers

14 배선용 차단기          14 Circuit Breakers

Claims (1)

복수개의 쏠라셀이 배열되어 구성된 태양전지모듈의 출력단과 전력수전회로의 입력단을 연결하기 위하여 플러그와 소켓으로 구성된 커넥터에 있어서,In the connector consisting of a plug and a socket for connecting the output terminal of the solar cell module and the input terminal of the power receiving circuit composed of a plurality of cells, 상기 플러그 측 또는 소켓 측에는 하우징이 그 플러그 또는 소켓과 일체로 형성되어 구비되고,The plug side or the socket side is provided with a housing integrally formed with the plug or socket, 상기 하우징의 내부에는 상기 태양전지모듈의 쏠라셀을 보호하기 위한 보호회로가 구비되되,A protection circuit is provided inside the housing to protect the solar cell of the solar cell module. 상기 보호회로는 상기 태양전지모듈의 출력단 중 일측 출력단과 직렬로 연결되는 퓨즈와,The protection circuit may include a fuse connected in series with one output terminal of the output terminal of the solar cell module; 상기 퓨즈에 직렬로 연결된 블로킹 다이오우드와,A blocking diode connected in series with the fuse, 상기 퓨즈와 블로킹 다이오우드가 직렬로 연결된 일측 출력단과 타측 출력단 사이에 병렬로 연결된 서지흡수기, 및A surge absorber connected in parallel between the one output terminal and the other output terminal to which the fuse and the blocking diode are connected in series; 상기 일측 출력단과 타측 출력단에 구비된 배선용차단기로 구성된 것을 특징으로 하는 쏠라셀 보호회로가 구비된 커넥터.A connector with a solar cell protection circuit, characterized in that consisting of a circuit breaker provided in the one output terminal and the other output terminal.
KR1020080067971A 2008-07-14 2008-07-14 Connector having solar-cell protection circuit KR100871167B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1022080A (en) 1996-06-27 1998-01-23 Ohbayashi Corp Device for blinking electric equipment using solar battery as auxiliary power
JPH10336914A (en) 1997-05-30 1998-12-18 Canon Inc Solar cell charge control device
JP2001223377A (en) 2000-02-07 2001-08-17 Kyocera Corp Snow-melting controlling method for photovoltaic power generation apparatus
JP2002222980A (en) 2001-01-26 2002-08-09 Sekisui Chem Co Ltd Solar battery module

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1022080A (en) 1996-06-27 1998-01-23 Ohbayashi Corp Device for blinking electric equipment using solar battery as auxiliary power
JPH10336914A (en) 1997-05-30 1998-12-18 Canon Inc Solar cell charge control device
JP2001223377A (en) 2000-02-07 2001-08-17 Kyocera Corp Snow-melting controlling method for photovoltaic power generation apparatus
JP2002222980A (en) 2001-01-26 2002-08-09 Sekisui Chem Co Ltd Solar battery module

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