CN104639035A - Photovoltaic module with electromagnetic shielding function - Google Patents

Photovoltaic module with electromagnetic shielding function Download PDF

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Publication number
CN104639035A
CN104639035A CN201510072885.0A CN201510072885A CN104639035A CN 104639035 A CN104639035 A CN 104639035A CN 201510072885 A CN201510072885 A CN 201510072885A CN 104639035 A CN104639035 A CN 104639035A
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CN
China
Prior art keywords
electro
magnetic screen
photovoltaic module
terminal box
screen layer
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201510072885.0A
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Chinese (zh)
Inventor
余晓东
张光琴
顾龙灿
姜昆
谢同保
叶琴
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.)
ANHUI CHANGYUAN GREEN ENERGY Co Ltd
Original Assignee
ANHUI CHANGYUAN GREEN ENERGY 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 ANHUI CHANGYUAN GREEN ENERGY Co Ltd filed Critical ANHUI CHANGYUAN GREEN ENERGY Co Ltd
Priority to CN201510072885.0A priority Critical patent/CN104639035A/en
Publication of CN104639035A publication Critical patent/CN104639035A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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

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  • Photovoltaic Devices (AREA)

Abstract

The invention relates to a photovoltaic module, in particular to the photovoltaic module with an electromagnetic shielding function. The photovoltaic module comprises a photovoltaic module body, a side frame, an electromagnetic shielding layer, a junction box and a connector, wherein the outer surface layer of the photovoltaic module body is glass; a solar battery and a photovoltaic module back plate are sequentially arranged on the lower surface of the photovoltaic module body; each layer of material is agglutinated by an adhesive; the electromagnetic shielding layer is positioned on the lower layer of the photovoltaic module back plate; the connector is connected with the junction box through a cable and is led out from the side surface of the side frame or from the electromagnetic shielding layer; the electromagnetic shielding layer is connected with the side frame; the side frame is connected to a ground iso-electric level through a grounding device. The electromagnetic radiation of the back surface of the photovoltaic module body can be effectively shielded, space electromagnetic radiation and ionizing radiation are shielded, and a person and equipment positioned behind the photovoltaic module are protected; due to the fact that the electromagnetic shielding layer is made of a metal material, while the back surface of the photovoltaic module is closed, better protection performance can also be provided to the photovoltaic module, the service life of the photovoltaic module is prolonged, and the material of the back surface of the photovoltaic module is prevented from burning.

Description

A kind of photovoltaic module with electro-magnetic screen function
Technical field
The present invention relates to a kind of photovoltaic module, be specifically related to a kind of photovoltaic module with electro-magnetic screen function.
Background technology
Existing photovoltaic module top layer is toughened glass, and the back side is the backboard of protection solar cell, and centre is solar cell, and layers of material jelly bonds.Produce larger working direct current when solar cell surface and back side work, the inverter be attached thereto and electrical network, be operated in power frequency to hundreds of KHz frequency range.Thus, photovoltaic plant inevitably produces static electromagnetic radiation and alternate electromagnetic radiation.Along with the development of photovoltaic technology, photovoltaic plant is progressively installed from ground and is developed to construction and installation.Because building interior equipment is numerous, personnel hang up one's hat life, and while photovoltaic power station power generation, its electromagnetic radiation produced, if do not processed, directly will affect health of human body and equipment runs.
Summary of the invention
For a large amount of electromagnetic radiation of the generation of photovoltaic module in prior art, the object of the present invention is to provide a kind of photovoltaic module with electro-magnetic screen function.
The technical scheme that the present invention is taked for achieving the above object is: a kind of photovoltaic module with electro-magnetic screen function, comprises photovoltaic module, frame and electro-magnetic screen layer, and terminal box between photovoltaic module and electro-magnetic screen layer and connector; Described photovoltaic module extexine is glass, is followed successively by solar cell, photovoltaic component back plate below, and layers of material jelly bonds; Terminal box is fixed on photovoltaic component back plate or is fixed on frame; Connector to be connected with terminal box by cable and to draw from frame side or draw from electro-magnetic screen layer; Electro-magnetic screen layer is connected with frame, and frame is by earthing device access the earth equipotential;
Further, described solar cell is connected overvoltage protector with between electro-magnetic screen layer; Overvoltage protector is arranged in terminal box or is positioned at terminal box outside; Described cable is connected by the control switch with creepage protection function with between terminal box; Control switch is arranged in terminal box or is positioned at terminal box outside; Described electro-magnetic screen layer and frame are by welding or rivet or crimp or slot forming and is fixedly connected with;
Further, described electro-magnetic screen layer adopts the composite material with electro-magnetic screen function or plated film sheet material to make; Described photovoltaic component back plate is macromolecule polymer material or inorganic material sheet material;
Further, packing material is provided with between described photovoltaic component back plate and electro-magnetic screen layer;
Further, the heater members in terminal box is welded on PCB or is fixed on metallic support, and heater members radiating surface forms Conduction heat-sink structure by window that terminal box is offered and described bezel contact;
Another technical scheme of the present invention is: a kind of photovoltaic module with electro-magnetic screen function, comprise photovoltaic module, frame and electro-magnetic screen layer, described photovoltaic module extexine is glass, be followed successively by solar cell, photovoltaic component back plate and electro-magnetic screen layer below, layers of material jelly bonds; Be provided with terminal box and connector below described electro-magnetic screen layer, terminal box is fixed on electro-magnetic screen layer or is fixed on frame; Connector to be connected with terminal box by cable and to draw from frame side or directly draw from terminal box; Electro-magnetic screen layer is connected with frame, and frame is by earthing device access the earth equipotential;
Further, described solar cell is connected overvoltage protector with between electro-magnetic screen layer; Overvoltage protector is arranged in terminal box or is positioned at terminal box outside; Described cable is connected by the control switch with creepage protection function with between terminal box; Control switch is arranged in terminal box or is positioned at terminal box outside; Described electro-magnetic screen layer and frame are by welding or rivet or crimp or slot forming and is fixedly connected with;
Further, described electro-magnetic screen layer directly and photovoltaic component back plate compound, or fix by sheet material, orifice plate, reticular lamina and the photovoltaic module of selecting metal and permeability magnetic material to make, and described photovoltaic component back plate is macromolecule polymer material or inorganic material sheet material;
Further, the back side of described electro-magnetic screen layer is provided with packing material;
Further, the heater members in terminal box is welded on PCB or is fixed on metallic support, and heater members radiating surface to contact with described frame or described electro-magnetic screen layer form Conduction heat-sink structure by terminal box being offered window.
Beneficial effect of the present invention: the present invention not only can the electromagnetic radiation at the effective shielded from light photovoltaic assembly back side; shielding space electromagnetic radiation and ionising radiation; protection is positioned at people and the equipment at the photovoltaic module back side; because electro-magnetic screen layer adopts metal material; while the closed photovoltaic module back side; also can be photovoltaic module and better barrier propterty is provided, improve the photovoltaic module life-span, prevent the material combustion at the photovoltaic module back side.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the embodiment of the present invention one;
Fig. 2 is the cross section structure schematic diagram of the embodiment of the present invention two;
Fig. 3 is terminal box mounting means figure A;
Fig. 4 is terminal box mounting means figure B;
Fig. 5 is connecting line outlet method figure A;
Fig. 6 is connecting line outlet method figure B;
Fig. 7,8 is terminal box of the present invention and heater members mounting structure schematic diagram thereof.
In accompanying drawing: 1, frame; 2, face glass; 3, adhesive; 4, solar cell; 5, photovoltaic component back plate; 6, electro-magnetic screen layer; 7, terminal box; 8, connector; 9, cable; 10, overvoltage protector; 11, control switch; 12, heater members.
Embodiment
Embodiment one:
As shown in Fig. 1,3-6, a kind of photovoltaic module with electro-magnetic screen function, comprises photovoltaic module, frame 1 and electro-magnetic screen layer 6, and terminal box 7 between photovoltaic module and electro-magnetic screen layer 6 and connector 8; Described photovoltaic module extexine is glass 2, and be followed successively by solar cell 4, photovoltaic component back plate 5 below, layers of material jelly 3 bonds; Terminal box 7 is fixed on photovoltaic component back plate 5, or is fixed on frame 1; Connector 8 is connected with terminal box 7 by cable 9, and draws from frame 1 side, or draws from electro-magnetic screen layer 6; Electro-magnetic screen layer 6 is connected with frame 1, and frame 1 is by earthing device access the earth equipotential.
Further, in order to protect solar cell 4 not by high-voltage breakdowns such as thunders and lightnings, overvoltage protector 10 between solar cell 4 with electro-magnetic screen layer 6, is connected; Overvoltage protector 10 is arranged in terminal box 7, or it is outside to be positioned at terminal box 7.
Preferably, in order to protect the person and device security, described cable 9 is connected by the control switch 11 with creepage protection function with between terminal box 7; Control switch 11 is arranged in terminal box 7, or it is outside to be positioned at terminal box 7.The control mode of described control switch 11 can adopt remote control switch or leak electricity and overheat awitch or cable signal control etc.
Further preferred version is: described electro-magnetic screen layer 6 and frame 1 are by welding or rivet or crimp or slot forming and is fixedly connected with.
Preferably, described electro-magnetic screen layer 6 adopts the composite material with electro-magnetic screen function or plated film sheet material to make; Described photovoltaic component back plate 5 is macromolecule polymer material or inorganic material sheet material.Electromagnetic shielding material, can the metal material such as steel, silicon steel and steel alloy, iron, Al and Alalloy, Copper and its alloy, permalloy be used, sheet material, orifice plate or netted sheet material can be processed into.
Further, between described photovoltaic component back plate 5 and electro-magnetic screen layer 6, or the back side of electro-magnetic screen layer 6 is provided with packing material, the heat-proof quality of change photovoltaic module and structural strength performance etc.
Further, the heater members 12 such as the diode in terminal box 7 are welded on PCB or are fixed on metallic support, and heater members 12 radiating surface to be contacted with described frame 1 by window that terminal box 7 is offered and forms Conduction heat-sink structure.
Embodiment two:
As shown in Fig. 2,3-5, have a photovoltaic module for electro-magnetic screen function, comprise photovoltaic module, frame 1 and electro-magnetic screen layer 6, described photovoltaic module extexine is glass 2, be followed successively by solar cell 4, photovoltaic component back plate 5 and electro-magnetic screen layer 6 below, layers of material jelly 3 bonds; Be provided with terminal box 7 and connector 8 below described electro-magnetic screen layer 6, terminal box 7 is fixed on electro-magnetic screen layer 6, or is fixed on frame 1; Connector 8 is connected with terminal box 7 by cable 9, and draws from frame 1 side, or directly draws from terminal box 7; Electro-magnetic screen layer 6 is connected with frame 1, and frame 1 is by earthing device access the earth equipotential.
Further, described solar cell 4 is connected overvoltage protector 10 with between electro-magnetic screen layer 6; Overvoltage protector 10 is arranged in terminal box 7 or is positioned at terminal box 7 outside.
Preferably, in order to protect the person and device security, described cable 9 is connected by the control switch 11 with creepage protection function with between terminal box 7; Control switch 11 is arranged in terminal box 7, or it is outside to be positioned at terminal box 7.The control mode of described control switch 11 can adopt remote control switch or leak electricity and overheat awitch or cable signal control etc.
Further preferred version is: described electro-magnetic screen layer 6 and frame 1 are by welding or rivet or crimp or slot forming and is fixedly connected with.
Preferably, described electro-magnetic screen layer 6 directly and photovoltaic component back plate 5 compound, or fix by sheet material, orifice plate, reticular lamina and the photovoltaic module of selecting metal and permeability magnetic material to make; Described photovoltaic component back plate 5 is macromolecule polymer material or inorganic material sheet material.Electromagnetic shielding material, can the metal material such as steel, silicon steel and steel alloy, iron, Al and Alalloy, Copper and its alloy, permalloy be used, sheet material, orifice plate or netted sheet material can be processed into.
Further, between described photovoltaic component back plate 5 and electro-magnetic screen layer 6, or the back side of electro-magnetic screen layer 6 is provided with packing material, the heat-proof quality of change photovoltaic module and structural strength performance etc.
Further, the heater members 12 such as the diode in terminal box 7 are welded on PCB or are fixed on metallic support, and heater members 12 radiating surface to be contacted with described frame 1 or described electro-magnetic screen layer 6 by window that terminal box 7 is offered and forms Conduction heat-sink structure.
Above-described embodiment one of the application or the preferred version of embodiment two are:
Photovoltaic module can select crystalline silicon component, film assembly.
Photovoltaic component back plate can select the nonmetallic materials such as polyimides, Merlon, polyvinyl fluoride, poly terephthalic acid class plastics, polypropylene screen, TPT, KPK, TPE, KPE, PVDF, PVF, ETPE, PET, PE, mica, glass or organosilicon membrane.
Adhesive with EVA or PVB or transparent organic silicon, also can glue different materials by different jelly correspondence.
The static electromagnetic radiation that the present invention produces when can shield solar cell power generation is connected with solar cell the alternating electromagnetic radiation produced with inverter and electrical network; also can shield the ionising radiation from space and electromagnetic radiation, personnel health and the equipment work at the protection photovoltaic module back side are interference-free.

Claims (10)

1. one kind has the photovoltaic module of electro-magnetic screen function, it is characterized in that: comprise photovoltaic module, frame (1) and electro-magnetic screen layer (6), and the terminal box (7) be positioned between photovoltaic module and electro-magnetic screen layer (6) and connector (8); Described photovoltaic module extexine is glass (2), is followed successively by solar cell (4), photovoltaic component back plate (5) below, and layers of material jelly (3) bonds; Terminal box (7) is fixed on photovoltaic component back plate (5) or is fixed on frame (1); Connector (8) to be connected with terminal box (7) by cable (9) and to draw from frame (1) side or draw from electro-magnetic screen layer (6); Electro-magnetic screen layer (6) is connected with frame (1), and frame (1) is by earthing device access the earth equipotential.
2. a kind of photovoltaic module with electro-magnetic screen function according to claim 1, is characterized in that: described solar cell (4) is connected overvoltage protector (10) with between electro-magnetic screen layer (6); Overvoltage protector (10) is arranged in terminal box (7) or is positioned at terminal box (7) outside; Control switch (11) by having creepage protection function between described cable (9) with terminal box (7) is connected; Control switch (11) is arranged in terminal box (7) or is positioned at terminal box (7) outside; Described electro-magnetic screen layer (6) and frame (1) are by welding or rivet or crimp or slot forming and is fixedly connected with.
3. a kind of photovoltaic module with electro-magnetic screen function according to claim 1, is characterized in that: described electro-magnetic screen layer (6) adopts has the composite material of electro-magnetic screen function or plated film sheet material is made; Described photovoltaic component back plate (5) is macromolecule polymer material or inorganic material sheet material.
4. a kind of photovoltaic module with electro-magnetic screen function according to claim 1, is characterized in that: be provided with packing material between described photovoltaic component back plate (5) and electro-magnetic screen layer (6).
5. a kind of photovoltaic module with electro-magnetic screen function according to claim 1, it is characterized in that: the heater members (12) in terminal box (7) is welded on PCB or is fixed on metallic support, heater members (12) radiating surface is contacted with described frame (1) by the window that terminal box (7) is offered and forms Conduction heat-sink structure.
6. one kind has the photovoltaic module of electro-magnetic screen function, it is characterized in that: comprise photovoltaic module, frame (1) and electro-magnetic screen layer (6), described photovoltaic module extexine is glass (2), be followed successively by solar cell (4), photovoltaic component back plate (5) and electro-magnetic screen layer (6) below, layers of material jelly (3) bonds; Described electro-magnetic screen layer (6) below is provided with terminal box (7) and connector (8), and terminal box (7) is fixed on electro-magnetic screen layer (6) or is fixed on frame (1); Connector (8) to be connected with terminal box (7) by cable (9) and to draw from frame (1) side or directly draw from terminal box (7); Electro-magnetic screen layer (6) is connected with frame (1), and frame (1) is by earthing device access the earth equipotential.
7. a kind of photovoltaic module with electro-magnetic screen function according to claim 6, is characterized in that: described solar cell (4) is connected overvoltage protector (10) with between electro-magnetic screen layer (6); Overvoltage protector (10) is arranged in terminal box (7) or is positioned at terminal box (7) outside; Control switch (11) by having creepage protection function between described cable (9) with terminal box (7) is connected; Control switch (11) is arranged in terminal box (7) or is positioned at terminal box (7) outside; Described electro-magnetic screen layer (6) and frame (1) are by welding or rivet or crimp or slot forming and is fixedly connected with.
8. a kind of photovoltaic module with electro-magnetic screen function according to claim 6, it is characterized in that: described electro-magnetic screen layer (6) directly and photovoltaic component back plate (5) compound, or sheet material, orifice plate, reticular lamina and the photovoltaic module of selecting metal and permeability magnetic material to make are fixed, described photovoltaic component back plate (5) is macromolecule polymer material or inorganic material sheet material.
9. a kind of photovoltaic module with electro-magnetic screen function according to claim 6, is characterized in that: the back side of described electro-magnetic screen layer (6) is provided with packing material.
10. a kind of photovoltaic module with electro-magnetic screen function according to claim 6, it is characterized in that: the heater members (12) in terminal box (7) is welded on PCB or is fixed on metallic support, heater members (12) radiating surface is contacted with described frame (1) or described electro-magnetic screen layer (6) by the window that terminal box (7) is offered and forms Conduction heat-sink structure.
CN201510072885.0A 2015-02-11 2015-02-11 Photovoltaic module with electromagnetic shielding function Pending CN104639035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510072885.0A CN104639035A (en) 2015-02-11 2015-02-11 Photovoltaic module with electromagnetic shielding function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510072885.0A CN104639035A (en) 2015-02-11 2015-02-11 Photovoltaic module with electromagnetic shielding function

Publications (1)

Publication Number Publication Date
CN104639035A true CN104639035A (en) 2015-05-20

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ID=53217438

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Country Status (1)

Country Link
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11289104A (en) * 1998-04-02 1999-10-19 Kitazawa Sangyo Kk Generator
JP2005181547A (en) * 2003-12-17 2005-07-07 Bridgestone Corp Flat display panel and show window material
KR20110126397A (en) * 2010-05-17 2011-11-23 미리넷솔라 주식회사 Solar cell module and electricity generation system to adjust light transmission
CN202205770U (en) * 2011-08-10 2012-04-25 上海驭领机电科技有限公司 Conducting strip and battery-panel support
CN103104074A (en) * 2013-02-01 2013-05-15 安徽长远绿色能源有限公司 Photovoltaic structural element module for building
CN103715286A (en) * 2013-12-27 2014-04-09 安徽长远绿色能源有限公司 Novel photovoltaic component for building

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11289104A (en) * 1998-04-02 1999-10-19 Kitazawa Sangyo Kk Generator
JP2005181547A (en) * 2003-12-17 2005-07-07 Bridgestone Corp Flat display panel and show window material
KR20110126397A (en) * 2010-05-17 2011-11-23 미리넷솔라 주식회사 Solar cell module and electricity generation system to adjust light transmission
CN202205770U (en) * 2011-08-10 2012-04-25 上海驭领机电科技有限公司 Conducting strip and battery-panel support
CN103104074A (en) * 2013-02-01 2013-05-15 安徽长远绿色能源有限公司 Photovoltaic structural element module for building
CN103715286A (en) * 2013-12-27 2014-04-09 安徽长远绿色能源有限公司 Novel photovoltaic component for building

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