CN107871973B - Photovoltaic connector and photovoltaic junction box and photovoltaic module using same - Google Patents

Photovoltaic connector and photovoltaic junction box and photovoltaic module using same Download PDF

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Publication number
CN107871973B
CN107871973B CN201610859107.0A CN201610859107A CN107871973B CN 107871973 B CN107871973 B CN 107871973B CN 201610859107 A CN201610859107 A CN 201610859107A CN 107871973 B CN107871973 B CN 107871973B
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CN
China
Prior art keywords
photovoltaic
connector
push rod
pin
groove
Prior art date
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Active
Application number
CN201610859107.0A
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Chinese (zh)
Other versions
CN107871973A (en
Inventor
邓士锋
董经兵
夏正月
徐洁
许涛
邢国强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canadian Solar Inc
Canadian Solar Manufacturing Changshu Inc
Original Assignee
Canadian Solar Manufacturing Changshu Inc
Atlas Sunshine Power Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canadian Solar Manufacturing Changshu Inc, Atlas Sunshine Power Group Co Ltd filed Critical Canadian Solar Manufacturing Changshu Inc
Priority to CN201610859107.0A priority Critical patent/CN107871973B/en
Publication of CN107871973A publication Critical patent/CN107871973A/en
Application granted granted Critical
Publication of CN107871973B publication Critical patent/CN107871973B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/6335Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only comprising a handle
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening
    • H01R13/6271Latching means integral with the housing
    • H01R13/6273Latching means integral with the housing comprising two latching arms
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention provides a photovoltaic connector, which comprises a pin joint and a plug bush joint, wherein the pin joint is provided with a butt joint part in butt joint with the plug bush joint and two buckling arms positioned at two sides of the butt joint part, and the plug bush joint comprises a plug bush body, a plug bush terminal positioned in the plug bush body and an unlocking push rod arranged in the plug bush body; the unlocking push rod is slidably arranged in the plug bush body, and one end of the unlocking push rod extends towards the buckling arm to form an unlocking end. According to the invention, the unlocking push rod is arranged on the plug socket, and the locking relation between the locking arm of the pin connector and the plug socket can be released by using the moving operation of the unlocking push rod, so that the pin connector and the plug socket are mutually detached, the unlocking push rod is very convenient and quick to use, and the detachment efficiency of staff can be greatly improved.

Description

Photovoltaic connector and photovoltaic junction box and photovoltaic module using same
Technical Field
The invention relates to a photovoltaic power generation technology, in particular to a photovoltaic connector, a photovoltaic junction box using the photovoltaic connector and a photovoltaic module.
Background
In addition to the photovoltaic cell assembly, the photovoltaic power generation needs to be provided with a photovoltaic connector for realizing power transmission on the photovoltaic cell assembly, the current photovoltaic connector mainly comprises a cable connector, is arranged on an anode lead-out cable and a cathode lead-out cable of the photovoltaic cell assembly, and is mainly used for connecting the photovoltaic cell assemblies, so that the transmission of electric energy is realized. From the structural point of view, the photovoltaic connector is mainly divided into a male connector (also called a pin) and a female connector (also called a plug bush), and because the photovoltaic connector is used in outdoor severe environment for a long time, the photovoltaic connector is usually longer than ten years, the reliability and safety requirements on the connector product are very high. The contact pin and the contact sleeve of the existing photovoltaic connector respectively represent a positive electrode end and a negative electrode end, after the contact pin and the contact sleeve are plugged, a conducting function is realized through contact of positive and negative electrode metal terminals in the contact pin and the contact sleeve, whether stable contact between the contact pin and the contact sleeve is crucial for stability and reliability of photovoltaic power generation is a precondition of normal operation of a photovoltaic power station, and if the contact pin and the contact sleeve are unstable, unstable power transmission is caused. In order to ensure the connection firmness of the male connector and the female connector, a buckle design is mainly adopted at present, namely, the buckle and the structure matched with each other in a clamping hole are utilized for locking, so that the connection of the male connector and the female connector is stable and does not fall off or loose, but the structure locked by the buckle brings great inconvenience to the disassembly and replacement work, and a worker often needs to adopt a special disassembly tool when the connection relation between the male connector and the female connector is relieved, so that the working efficiency is greatly influenced.
Disclosure of Invention
In view of the above, the present invention provides a photovoltaic connector, which can simplify the disassembly operation and improve the working efficiency.
Specifically, the invention is realized by the following technical scheme: the photovoltaic connector comprises a contact pin connector and a contact pin connector, wherein the contact pin connector is provided with a butt joint part in butt joint with the contact pin connector and two buckling arms positioned at two sides of the butt joint part, and the contact pin connector comprises a contact pin body, a contact pin terminal positioned in the contact pin body and an unlocking push rod arranged in the contact pin body; the unlocking push rod is slidably arranged in the plug bush body, and one end of the unlocking push rod extends towards the buckling arm to form an unlocking end.
Further, the plug bush body is provided with a through groove for accommodating the unlocking push rod and a mounting opening penetrating through the through groove, and the other end of the unlocking push rod is exposed in the mounting opening to form an operation end.
Further, an operation part protruding into the mounting opening is arranged at the operation end of the unlocking push rod, and an inclined plane is arranged on the surface of the operation part.
Further, the plug bush body is provided with an end face and an arc-shaped side face, the end face is provided with a plug connector for accommodating the butt joint part and a buckle groove for accommodating the buckle arm, the buckle groove is positioned on two sides of the plug connector, the arc-shaped side face is provided with a notch, and the buckle groove and the through groove are respectively positioned on two sides of the notch.
Further, the through groove and the buckle groove are aligned along the butt joint direction of the pin joint and the plug bush joint, and both the through groove and the buckle groove are communicated with the notch.
Further, the latch arm is provided with a free end which can be pressed by the unlocking end, and the free end is provided with a stop part and an inclined surface.
Further, a bottom wall and a side wall matched with the stop part are arranged in the notch.
Further, the pin connector comprises a pin body, and the two buckling arms extend from one end of the pin body and gradually incline outwards.
The invention is also realized by the following technical scheme: a photovoltaic junction box comprising an outgoing line, characterized in that the outgoing line is provided with a photovoltaic connector as described above.
The invention is also realized by the following technical scheme: the photovoltaic module comprises a photovoltaic cell panel and a photovoltaic junction box arranged on the photovoltaic cell panel, wherein the photovoltaic junction box comprises the photovoltaic connector.
According to the invention, the unlocking push rod is arranged on the plug socket, and the locking relation between the locking arm of the pin connector and the plug socket can be released by using the moving operation of the unlocking push rod, so that the pin connector and the plug socket are mutually detached, the unlocking push rod is very convenient and quick to use, and the detachment efficiency of staff can be greatly improved.
Drawings
Fig. 1 is a perspective view of a pin header of a photovoltaic connector of the present invention.
Fig. 2 is a perspective view of a plug connector of the photovoltaic connector of the present invention.
Fig. 3 is a perspective view of a push rod on the plug socket of the photovoltaic connector of the present invention.
Fig. 4 is a front view of the photovoltaic connector of the present invention in the plugged state with the pin header and the socket header.
Fig. 5 is a perspective view of the pin header and the socket header of the photovoltaic connector of the present invention in a plugged state.
Fig. 6 is a schematic view of the photovoltaic connector of the present invention with the pin header and the ferrule header removed.
Fig. 7 is a schematic view of the application of the photovoltaic connector of the present invention to a photovoltaic module.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the invention. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
As shown in fig. 1 to 7, the present invention discloses a photovoltaic connector, which comprises a pin connector 10 and a pin connector 20, wherein the pin connector 10 and the pin connector 20 can be respectively connected to a photovoltaic junction box 300 on the back of the same photovoltaic cell panel 200, and can be respectively used as connectors (refer to fig. 7) of positive and negative lead wires 301 and 302 of the photovoltaic junction box 300, and are respectively butted with the pin connector 20 and the pin connector 10 on adjacent photovoltaic cell panels, so as to realize electrical connection between the photovoltaic cell panels.
As shown in fig. 1, the pin connector 10 includes a pin body 11 and pin terminals (not shown) located in the pin body 11, one end of the pin body 11 is provided with a docking portion 12 extending along a docking direction and two fastening arms 13 located at two sides of the docking portion 12, the docking portion 12 is used for docking with the pin connector 20, the pin terminals are located in the docking portion 12, and terminal holes 14 for accommodating the pin terminals are formed in the docking portion 12; the two fastening arms 13 extend from one end of the pin body 11 and are used for fastening connection with the socket 20, the free ends of the fastening arms 13 are provided with a stop portion 15 and an inclined surface 16, and the inclined surface 16 can play a certain guiding role, so that the fastening arms 13 are more convenient to insert into the socket 20. In addition, in order to increase the buckling force, the extending directions of the two buckling arms 13 are not parallel to each other, but extend slightly outwards, so that the buckling arms 13 have better elastic deformation capability.
As shown in fig. 2, the socket joint 20 includes a socket body 21, a socket terminal (not shown) located in the socket body 21, and an unlocking push rod 22 mounted on the socket body 21, wherein the socket body 21 is provided with two end surfaces 23 and an arc-shaped side surface 24 located between the two end surfaces 23, the end surfaces 23 are provided with a socket 25 into which the pin joint 10 is inserted, and fastening grooves 26 located at two sides of the socket 25, the socket terminal is located in the socket 25 to be electrically connected with the pin terminal of the pin joint 10, and the fastening grooves 26 are used for accommodating fastening arms 13 of the pin joint 10, and the two are mutually matched to realize a locking function; the arc-shaped side surface 24 is provided with a notch 27, one side of the notch 27 is provided with a through groove 28 corresponding to the buckling groove 26 and a mounting opening 29 penetrating through the through groove 28, the through groove 28 is communicated with the notch 27 and is used for accommodating the unlocking push rod 22 and enabling the unlocking push rod 22 to protrude into the notch 27, and the mounting opening 29 is formed in the arc-shaped side surface 24 and is used for accommodating the unlocking push rod 22 into the through groove 28 and operating the unlocking push rod 22. The through groove 28 and the fastening groove 26 are respectively located at two sides of the notch 27 and aligned in the abutting direction.
In the preferred embodiment of the present invention, the unlocking push rod 22 has a strip shape, one end thereof is an unlocking end a for pushing the latch arm 13 of the pin connector 10, the other end thereof is an operating end B provided with a protruding operating portion B1 for pushing and pulling the unlocking push rod 22 to move in the through groove 28, and the operating portion B1 protrudes into the mounting opening 29 for pushing and pulling by a finger of a worker. In addition, the surface of the operation part B1 is provided with an inclined plane B2, thereby improving the convenience of operation.
As shown in fig. 4 and 5, when the pin connector 10 is docked with the socket connector 20, the latch arm 13 of the pin connector 10 is inserted into the latch slot 26 of the socket connector 20, and the free end of the latch arm 13 passes through the latch slot 26 and then enters the recess 27 of the socket connector 20, and is clamped on the side wall 270 in the recess 27 by the stop portion 15 of the free end, so as to achieve a locking fit, and in addition, since the latch arm 13 extends slightly outwards and obliquely, a certain gap exists between the free end of the latch arm 13 and the bottom wall 271 in the recess 27, which provides a necessary deformation space for the latch arm 13 to deform inwards. When the connection between the pin connector 10 and the socket connector 20 needs to be released, the unlocking push rod 22 is pushed only towards the pin connector 10 direction, as shown in fig. 6, the unlocking end a of the unlocking push rod 22 moves towards the locking groove 26 direction and finally abuts against the free end of the locking arm 13, and the free end of the locking arm 13 is easily pushed by the unlocking end a to generate inward elastic deformation due to the inclined surface 16, so that the pin connector 10 and the socket connector 20 are separated from each other by being separated from the clamping relation between the inner side wall 270 of the notch 27, and the whole disassembly operation is completed.
Therefore, the unlocking push rod 22 is arranged on the socket joint 20, the locking relation between the locking arm 13 of the pin joint 10 and the socket joint 20 is released by the moving operation of the unlocking push rod 22, so that the pin joint 10 and the socket joint 20 are separated from each other, the unlocking push rod 22 is provided with the operation part B1 exposed on the surface of the socket joint 20, the use is very convenient and quick, and the disassembly efficiency of staff can be greatly improved. The whole unlocking design is very simple in structure and very convenient to install and use.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.

Claims (9)

1. The photovoltaic connector comprises a contact pin connector and a plug bush connector, wherein the contact pin connector is provided with a butt joint part in butt joint with the plug bush connector and two buckling arms positioned at two sides of the butt joint part; the unlocking push rod is slidably arranged in the plug bush body, and one end of the unlocking push rod extends towards the buckling arm to form an unlocking end; the plug bush body is provided with a through groove for accommodating the unlocking push rod and a mounting port penetrating through the through groove, and the other end of the unlocking push rod is exposed in the mounting port to form an operation end; the operating end of the unlocking push rod is provided with an operating part protruding into the mounting opening.
2. The photovoltaic connector according to claim 1, wherein the handle portion surface is provided with a bevel.
3. The photovoltaic connector according to claim 1, wherein the socket body is provided with an end face and an arc-shaped side face, the end face is provided with a socket for accommodating the docking portion and a buckle groove for accommodating the buckle arm, the buckle groove is located at two sides of the socket, the arc-shaped side face is provided with a notch, and the buckle groove and the through groove are located at two sides of the notch respectively.
4. The photovoltaic connector of claim 3, wherein the through groove and the snap groove are aligned along a mating direction of the pin header and the socket header, and both are in communication with the recess.
5. The photovoltaic connector of claim 4, wherein the snap arms are provided with free ends that can be pressed by the unlock ends, the free ends being provided with stops and inclined surfaces.
6. The photovoltaic connector of claim 5, wherein a bottom wall and a side wall that mates with the stop are disposed within the recess.
7. The photovoltaic connector of claim 6, wherein the pin header comprises a pin body, and the two snap arms extend from one end of the pin body and are gradually sloped outwardly.
8. A photovoltaic junction box comprising an outlet, wherein the outlet has the photovoltaic connector of any one of claims 1 to 7 mounted thereon.
9. A photovoltaic module comprising a photovoltaic panel and a photovoltaic junction box mounted on the photovoltaic panel, wherein the photovoltaic junction box comprises a photovoltaic connector according to any one of claims 1 to 7.
CN201610859107.0A 2016-09-28 2016-09-28 Photovoltaic connector and photovoltaic junction box and photovoltaic module using same Active CN107871973B (en)

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CN201610859107.0A CN107871973B (en) 2016-09-28 2016-09-28 Photovoltaic connector and photovoltaic junction box and photovoltaic module using same

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CN201610859107.0A CN107871973B (en) 2016-09-28 2016-09-28 Photovoltaic connector and photovoltaic junction box and photovoltaic module using same

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CN107871973A CN107871973A (en) 2018-04-03
CN107871973B true CN107871973B (en) 2024-03-22

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114243385B (en) * 2021-12-31 2024-03-01 苏州贝尔特光伏电子科技有限公司 Low-resistance and high-current-carrying photovoltaic connector

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CN101689728A (en) * 2007-12-15 2010-03-31 伦伯格连接器有限公司 Plug connector for photovoltaic connector cable
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CN201601324U (en) * 2009-12-31 2010-10-06 镇江市正恺电子有限公司 Terminal connector
CN201608394U (en) * 2010-02-10 2010-10-13 常熟市冠日光伏电子有限公司 Electric connector for solar photovoltaic assembly with improved structure
CN201829732U (en) * 2010-06-08 2011-05-11 富士康(昆山)电脑接插件有限公司 Electric connector component
CN201918578U (en) * 2011-01-10 2011-08-03 宁波市创源光伏科技有限公司 Connector for photovoltaic junction box
JP2012103415A (en) * 2010-11-09 2012-05-31 Sanwa Denki Kogyo Co Ltd Optical connector plug
CN103138108A (en) * 2011-11-28 2013-06-05 苏州快可光伏电子股份有限公司 Photovoltaic connector
CN206225673U (en) * 2016-09-28 2017-06-06 阿特斯阳光电力集团有限公司 Photovoltaic connector and the photovoltaic junction box and photovoltaic module using photovoltaic connector

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US20020142649A1 (en) * 2001-03-29 2002-10-03 Brent Baugh Pluggable transceiver delatch

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Publication number Priority date Publication date Assignee Title
JP2000147323A (en) * 1998-07-03 2000-05-26 Nippon Telegr & Teleph Corp <Ntt> Connecting plug
CN101689728A (en) * 2007-12-15 2010-03-31 伦伯格连接器有限公司 Plug connector for photovoltaic connector cable
CN201466405U (en) * 2009-07-29 2010-05-12 苏州迅通太阳能科技有限公司 Photovoltaic component connector
CN201601324U (en) * 2009-12-31 2010-10-06 镇江市正恺电子有限公司 Terminal connector
CN201608394U (en) * 2010-02-10 2010-10-13 常熟市冠日光伏电子有限公司 Electric connector for solar photovoltaic assembly with improved structure
CN201829732U (en) * 2010-06-08 2011-05-11 富士康(昆山)电脑接插件有限公司 Electric connector component
JP2012103415A (en) * 2010-11-09 2012-05-31 Sanwa Denki Kogyo Co Ltd Optical connector plug
CN201918578U (en) * 2011-01-10 2011-08-03 宁波市创源光伏科技有限公司 Connector for photovoltaic junction box
CN103138108A (en) * 2011-11-28 2013-06-05 苏州快可光伏电子股份有限公司 Photovoltaic connector
CN206225673U (en) * 2016-09-28 2017-06-06 阿特斯阳光电力集团有限公司 Photovoltaic connector and the photovoltaic junction box and photovoltaic module using photovoltaic connector

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Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province

Applicant after: Atlas sunshine Power Group Co.,Ltd.

Applicant after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

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Applicant before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

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