CN110460304B - Photovoltaic module, system and photovoltaic curtain wall - Google Patents
Photovoltaic module, system and photovoltaic curtain wall Download PDFInfo
- Publication number
- CN110460304B CN110460304B CN201910854739.1A CN201910854739A CN110460304B CN 110460304 B CN110460304 B CN 110460304B CN 201910854739 A CN201910854739 A CN 201910854739A CN 110460304 B CN110460304 B CN 110460304B
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- negative
- positive
- edge
- curtain wall
- 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.)
- Active
Links
- 210000004027 cell Anatomy 0.000 claims abstract description 19
- 210000005056 cell body Anatomy 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims 20
- 230000000712 assembly Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 9
- 238000010248 power generation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WABPQHHGFIMREM-VENIDDJXSA-N lead-201 Chemical compound [201Pb] WABPQHHGFIMREM-VENIDDJXSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
Abstract
The application relates to a photovoltaic module, a photovoltaic system and a photovoltaic curtain wall. The photovoltaic module comprises a photovoltaic cell, a positive electrode wiring device and a negative electrode wiring device. The photovoltaic cell comprises a cell body anode flow guide belt and a cell body cathode flow guide belt, wherein the anode flow guide belt and the cathode flow guide belt are arranged on the cell body; the positive electrode wiring device is arranged at the first edge of the battery body and is electrically connected with the positive electrode diversion belt, and the positive electrode wiring device comprises at least two positive electrode leading-out ends; the negative electrode wiring device is arranged on the second edge of the battery body and is electrically connected with the negative electrode diversion belt, the first edge and the second edge are two opposite edges of the battery body, and the negative electrode wiring device comprises at least two negative electrode leading-out ends. The photovoltaic module enables parallel connection to be simple and wiring to be few.
Description
Technical Field
The application relates to the technical field of solar power generation, in particular to a photovoltaic module, a photovoltaic system and a photovoltaic curtain wall.
Background
The photovoltaic module (also called solar panel) is a core part in a solar power generation system and is also the most important part in the solar power generation system. The photovoltaic module is formed by connecting a plurality of single solar cells in series and/or in parallel and then packaging the single solar cells.
During photovoltaic power generation, generally, one photovoltaic module cannot meet the requirements of voltage or current, and therefore, a plurality of photovoltaic modules need to be connected in parallel or in series for use. In order to facilitate the parallel connection or the series connection of a plurality of photovoltaic modules, people mostly use a junction box. The wiring leading-in end of the junction box is electrically connected with the photovoltaic assembly diversion belt, and a plurality of outgoing lines are led out from other ends of the junction box so as to realize connection with other photovoltaic assemblies.
In the prior art, a junction box of a photovoltaic module is arranged on the back of the photovoltaic module, and 2 junction box lead wires are arranged, wherein one lead wire is a positive lead wire and the other lead wire is a negative lead wire. However, when such photovoltaic modules are connected in parallel, the number of cables used is large, and the wiring is complex.
Disclosure of Invention
In view of the above, there is a need to provide a photovoltaic module, a system and a photovoltaic curtain wall.
A photovoltaic module, comprising:
the photovoltaic cell comprises a cell body, a positive electrode diversion strip and a negative electrode diversion strip, wherein the positive electrode diversion strip and the negative electrode diversion strip are arranged on the cell body;
the positive electrode wiring device is arranged at the first edge of the battery body and is electrically connected with the positive electrode diversion belt, and the positive electrode wiring device comprises at least two positive electrode leading-out ends;
the negative electrode wiring device is arranged on the second edge of the battery body and electrically connected with the negative electrode diversion belt, the first edge and the second edge are two opposite edges of the battery body, and the negative electrode wiring device comprises at least two negative electrode leading-out ends.
In one embodiment, the positive connection device comprises a first positive connection box, the first positive connection box is arranged at the first edge and is electrically connected with the positive diversion tape, and the first positive connection box comprises at least two positive leading-out ends;
the negative electrode wiring device comprises a first negative electrode wiring box, the first negative electrode wiring box is arranged on the second edge and electrically connected with the negative electrode diversion belt, and the first negative electrode wiring box comprises at least two negative electrode leading-out ends.
In one embodiment, the first positive terminal box is centrally disposed at the first edge; the first negative terminal box is centrally disposed at the second edge.
In one embodiment, the positive electrode wiring device includes:
the second positive terminal box is arranged on the first edge and is electrically connected with the positive diversion belt, and the second positive terminal box comprises at least one positive leading-out end;
the third positive terminal box is arranged on the first edge and is electrically connected with the positive diversion tape, and the third positive terminal box comprises at least one positive leading-out end;
the negative wiring device includes:
the second negative terminal box is arranged at the second edge and is electrically connected with the negative diversion belt, and the second negative terminal box comprises at least one negative leading-out end;
and the third negative terminal box is arranged on the second edge and is electrically connected with the negative diversion belt, and the third negative terminal box comprises at least one negative leading-out end.
In one embodiment, the second positive terminal box and the third positive terminal box are respectively arranged at two ends of the first edge; the second negative terminal box and the third negative terminal box are respectively arranged at two tail ends of the second edge.
In one embodiment, at least one of the at least two positive terminals is an outgoing line, and at least one of the at least two negative terminals is an outgoing line.
In one embodiment, at least one of the at least two positive terminals is in a socket structure, and at least one of the at least two negative terminals is in a socket structure.
In one embodiment, the positive wiring device further comprises a positive protection diode, and the positive protection diode is connected in series between the positive diversion tape and the positive lead-out terminal; the negative wiring device further comprises a negative protection diode, and the negative protection diode is connected between the negative diversion belt and the negative leading-out end in series.
A photovoltaic system comprising a plurality of photovoltaic modules as described above, the positive terminals of the plurality of photovoltaic modules being electrically connected and the negative terminals of the plurality of photovoltaic modules being electrically connected.
A photovoltaic curtain wall comprises the photovoltaic system.
The photovoltaic module, the system and the photovoltaic curtain wall provided by the embodiment of the application comprise the photovoltaic battery, the positive electrode wiring device and the negative electrode wiring device. The positive wiring device and the negative wiring device are respectively arranged at two opposite edges of a battery body of the photovoltaic battery, so that when the photovoltaic assemblies are connected in parallel, each positive wiring line and each negative wiring line of the photovoltaic assemblies are positioned at two opposite sides, and two adjacent positive wiring lines of the photovoltaic assemblies are positioned at the same side, and the negative wiring lines are positioned at the same side, so that the photovoltaic assemblies are connected in parallel, wiring cables are reduced, and meanwhile compared with a photovoltaic assembly parallel connection mode in the traditional technology, branch switching parts can be reduced, wiring modes are simplified, and labor cost is saved. In addition, the positive electrode wiring device comprises at least two positive electrode leading-out ends, and the negative electrode wiring device comprises at least two negative electrode leading-out ends, so that when one photovoltaic module is connected with two adjacent photovoltaic modules in parallel, the photovoltaic modules are respectively connected with the different positive electrode leading-out ends and the negative electrode leading-out ends, and further wiring is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic module according to the prior art, according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a parallel structure of photovoltaic modules according to the prior art, according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present application;
FIG. 6 is a schematic view of a photovoltaic module according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a photovoltaic system according to an embodiment of the present application.
Description of reference numerals:
photovoltaic system 1
Positive pole flow guiding belt 120
Negative current guiding belt 130
Positive electrode wiring device 200
First positive terminal box 210
Second positive electrode terminal box 220
Third positive terminal box 230
Positive protective diode 240
First negative terminal box 310
Second negative terminal box 320
Third negative terminal box 330
Detailed Description
In order to make the purpose, technical solution and advantages of the present application more clearly understood, the following embodiments are taken in conjunction with the accompanying drawings to further describe the photovoltaic module, the system and the photovoltaic curtain wall of the present application in detail. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Photovoltaic power generation is applied to many fields. In photovoltaic power generation applications, the connection between multiple photovoltaic modules is divided into series connection and parallel connection. A plurality of photovoltaic modules are connected in series and are mainly applied to scenes of low voltage and high current. However, in use, there are many scenes that need high current and low voltage, for example, when applying photovoltaic to curtain walls, a plurality of photovoltaic modules are connected in parallel, the voltage formed is low, and there is no danger of high voltage; and a plurality of photovoltaic modules are connected in parallel, so that the situation that the whole power generation system cannot work due to the fact that one photovoltaic module is damaged in the serial connection process can be avoided, and the maintenance cost is reduced.
Referring to fig. 1, a conventional wiring device of a photovoltaic module is mainly shown in fig. 1.
Referring to fig. 2, a photovoltaic module is connected in parallel in the conventional art as shown in fig. 2. The photovoltaic module parallel connection in the traditional technology has the problems of complex connection line, more branch switching parts, large cable consumption, high labor cost and the like. In order to solve the problem, the application provides a photovoltaic module 10, a photovoltaic system 1 and a photovoltaic curtain wall. The following detailed description is to be read in conjunction with the specific embodiments.
Referring to fig. 3, the present application provides a photovoltaic module 10, wherein the photovoltaic module 10 includes a photovoltaic cell 100, a positive wiring device 200, and a negative wiring device 300.
The photovoltaic cell 100 may be a thin film solar cell, a crystalline silicon solar cell, or other types of solar cells. The photovoltaic cell 100 may be a shingled structure, an HIT structure, or other structures. The examples provided herein do not set any limitations on the processes, materials, structures, etc. of the photovoltaic cell 100. The photovoltaic cell 100 includes a cell body 110, a positive current guide strip 120, and a negative current guide strip 130. The battery body 110 may include a plurality of sub-batteries connected in series or in parallel to form the battery body 110. The positive electrode current guide belt 120 and the negative electrode current guide belt 130 are disposed on the battery body 110. In a specific embodiment, the positive current guide strips 120 and the negative current guide strips 130 may be disposed near the edges of the battery body 110.
The positive electrode terminal device 200 is disposed at the battery body 110 and the first edge 111. The first edge 111 is any one of the edges of the battery body 110. The positive electrode terminal device 200 includes a positive electrode lead-in terminal and a positive electrode lead-out terminal 201. The positive lead-in end is electrically connected to the positive current guide strip 120. The number of the positive electrode leading-out terminals 201 is at least 2. The specific forms of the positive lead-in terminal and the positive lead-out terminal 201 are not limited, and can be selected according to actual requirements. The positive electrode connecting device 200 may be partially disposed at the first edge 111, and the other portion covers the battery body 110. The positive electrode connecting device 200 may be partially disposed at the first edge 111, and the other portion may be disposed to protrude outside the battery body 110.
The positive electrode connecting device 200 is disposed at the battery body 110 and the first edge 111. The first edge 111 is any one of the edges of the battery body 110. The positive electrode terminal device 200 includes a positive electrode lead-in terminal and a positive electrode lead-out terminal 201. The positive lead-in end is electrically connected to the positive current guide strip 120. The number of the positive lead-out terminals 201 is at least two. The leading-out positions of the at least two positive leading-out ends 201 can be set according to actual requirements. The specific forms of the positive lead-in terminal and the positive lead-out terminal 201 are not limited, and can be selected according to actual requirements. The positive electrode connecting device 200 may be partially disposed at the first edge 111, and the other portion covers the battery body 110. The positive electrode connecting device 200 may be partially disposed at the first edge 111, and the other portion may be disposed to protrude outside the battery body 110.
The negative electrode connecting device 300 is disposed at the battery body 110 and the second edge 112. The second edge 112 and the first edge 111 are two opposite edges of the battery body 110. The negative electrode connection device 300 includes a negative electrode lead-in terminal and a negative electrode lead-out terminal 301. The negative lead-in is electrically connected to the negative current guide strip 130. The number of the negative terminals 301 is at least two. The leading-out positions of the at least two negative leading-out ends 301 can be selected according to actual requirements. The specific form of the negative lead-in terminal and the negative lead-out terminal 301 is not limited, and can be selected according to actual requirements. The negative electrode connecting device 300 may be partially disposed on the second edge 112, and the other portion covers the battery body 110. The negative electrode connecting device 300 may be partially disposed on the second edge 112, and the other portion may be disposed outside the battery body 110 in a protruding manner.
In this embodiment, the photovoltaic module 10 includes the photovoltaic cell 100, the positive electrode connection device 200, and the negative electrode connection device 300. The positive wiring device 200 and the negative wiring device 300 are respectively arranged at two opposite edges of the battery body 110 of the photovoltaic battery 100, so that when a plurality of photovoltaic assemblies 10 are connected in parallel, a positive electrode connecting line and a negative electrode connecting line of each photovoltaic assembly 10 are positioned at two opposite sides, two adjacent positive electrode connecting lines of the photovoltaic assemblies are positioned at the same side, and the negative electrode connecting lines are positioned at the same side, thereby facilitating the parallel connection of the photovoltaic assemblies 10, reducing wiring cables, and compared with the parallel connection mode of the photovoltaic assemblies in the prior art, the wiring device can reduce branch switching parts, simplify wiring mode and save labor cost. In addition, the positive electrode connection device 200 comprises at least two positive electrode leading-out ends 201, and the negative electrode connection device 300 comprises at least two negative electrode leading-out ends 301, so that when one photovoltaic module 10 is connected with two adjacent photovoltaic modules 10 in parallel, the photovoltaic modules are respectively connected with the different positive electrode leading-out ends 201 and the different negative electrode leading-out ends 301, and connection is further facilitated.
Referring to fig. 4, in one embodiment, the positive wiring device 200 includes a first positive terminal box 210. The first positive terminal box 210 is disposed at the first edge 111. The first positive terminal box 210 is electrically connected to the positive current guide strip 120. The first positive terminal box 210 includes at least two positive terminals 201.
The specific structure of the first positive terminal box 210 is not limited, and may be designed according to actual requirements. The position of the first positive terminal box 210 on the first edge 111 can also be selected according to actual requirements. In one specific embodiment, the first positive terminal box 210 may be disposed at a middle position of the first edge 111, that is, the first positive terminal box 210 is disposed at the first edge in a center. The at least two positive terminals 201 may be respectively disposed at two opposite ends of the first positive terminal box 210, and respectively disposed at one end close to the connected photovoltaic modules, so as to more conveniently implement parallel connection.
In one embodiment, the negative wiring device 300 includes a first negative terminal block 310. The first negative terminal box 310 is disposed at the second edge 112. The first negative terminal box 310 is electrically connected to the negative current guiding strap 130. The first negative terminal block 310 includes at least two negative terminals 301.
The specific structure of the first negative terminal box 310 is not limited, and may be designed according to actual requirements. The position of the first negative terminal box 310 on the second edge 112 can also be selected according to actual requirements. In one specific embodiment, the first negative terminal block 310 may be disposed at a middle position of the second edge 112, that is, the first negative terminal block 310 is disposed at the first edge in a center. The at least two negative terminals 301 may be respectively disposed at two opposite ends of the first negative terminal box 310, and respectively disposed at one end close to the connected photovoltaic modules, so as to more conveniently implement parallel connection.
Referring to fig. 5, in one embodiment, the positive electrode connection device 200 includes a second positive electrode connection box 220 and a third positive electrode connection box 230. The second positive terminal box 220 and the third positive terminal box 230 are disposed at the first edge 111. The second positive terminal box 220 and the third positive terminal box 230 are electrically connected to the positive current guide belt 120. The positions of the second positive terminal box 220 and the third positive terminal box 230 on the first edge 111 can be selected according to actual requirements, and in a specific embodiment, the second positive terminal box 220 and the third positive terminal box 230 can be respectively disposed at two ends of the first edge 111, that is, the second positive terminal box 220 and the third positive terminal box 230 are respectively disposed at positions where the first edge 111 is connected with an adjacent edge. The second and third positive terminal blocks 220 and 230 each include at least one positive terminal 201. When the second positive terminal box 220 and the third positive terminal box 230 each include one positive terminal 201, the positive terminal 201 may be respectively disposed at one end of the second positive terminal box 220 and the third positive terminal box 230 close to the connected photovoltaic modules, so as to implement parallel connection more conveniently.
In this embodiment, the positive electrode connection device 200 includes the second positive electrode connection box 220 and the third positive electrode connection box 230, so that the length of the lead in parallel connection can be further shortened, the lead mode can be simplified, and the lead effect can be improved. In addition, the second positive terminal box 220 and the third positive terminal box 230 are respectively disposed at both ends of the first edge 111, and thus the lead length in parallel connection can be shortened to the maximum extent.
In one embodiment, the negative wiring device 300 includes a second negative terminal block 320 and a third negative terminal block 330. The second negative terminal box 320 and the third negative terminal box 330 are disposed at the second edge 112. The second negative terminal box 320 and the third negative terminal box 330 are electrically connected to the negative current guiding strap 130. The positions of the second negative terminal box 320 and the third negative terminal box 330 on the second edge 112 may be selected according to actual requirements, and in a specific embodiment, the second negative terminal box 320 and the third negative terminal box 330 may be respectively disposed at two ends of the second edge 112, that is, the second negative terminal box 320 and the third negative terminal box 330 are respectively disposed at positions where the second edge 112 is connected to an adjacent edge. The second negative terminal block 320 and the third negative terminal block 330 each include at least one negative terminal 301. When the second negative terminal box 320 and the third negative terminal box 330 each include one negative terminal 301, the negative terminals 301 may be respectively disposed at one ends of the second negative terminal box 320 and the third negative terminal box 330, which are close to the connected photovoltaic modules, so as to more conveniently implement parallel connection.
In this embodiment, the negative wiring device 300 includes the second negative wiring box 320 and the third negative wiring box 330, which can further shorten the length of the lead in parallel connection, simplify the lead connection mode, and improve the lead connection effect. In addition, the second negative terminal box 320 and the third negative terminal box 330 are respectively disposed at two ends of the second edge 112, so that the length of the lead wires in parallel connection can be shortened to the maximum extent.
In one embodiment, at least one of the at least two positive terminals 201 is an outgoing line, and at least one of the at least two negative terminals 301 is an outgoing line.
In one embodiment, at least one of the at least two positive terminals 201 is a socket interface, and at least one of the at least two negative terminals 301 is a socket structure.
That is, the positive electrode lead 201 and the negative electrode lead 301 in the above embodiments are not limited in form, and may have a lead structure or a socket structure. When the positive leading-out end 201 and the negative leading-out end 301 are socket structures, the socket structures can be selected according to actual requirements. When the positive electrode lead 201 and the negative electrode lead 301 are lead wires, they may be wires having any configuration. Of course, the outlet may be added with an insertion terminal, for example, an MC4 photovoltaic cable terminal, at the end according to the requirement, so as to be inserted into the positive outlet 201 and/or the negative outlet 301 of the socket interface. The photovoltaic module 10 provided by the present embodiment provides increased flexibility and utility of connection.
Referring to fig. 6, in an embodiment, the positive wiring device 200 further includes a positive protection diode 240, and the positive protection diode 240 is connected in series between the positive guide strip 120 and the positive lead-out terminal 201. When the photovoltaic module 10 is damaged, the positive protection diode 240 can be cut off in a reverse direction, so that reverse charging of the photovoltaic module 10 is prevented, and safety and reliability of the photovoltaic module 10 are improved.
In one embodiment, the negative wiring device 300 further includes a negative protection diode 340, and the negative protection diode 350 is connected in series between the negative current guiding strip 130 and the negative terminal 301. When the photovoltaic module 10 is damaged, the negative protection diode 340 can be cut off in a reverse direction, so that reverse charging of the photovoltaic module 10 is prevented, and safety and reliability of the photovoltaic module 10 are improved.
It is understood that the positive wiring device 200 and the negative wiring device 300 may further include other auxiliary electronic components, including but not limited to a micro inverter, a Maximum Power Point Tracking (MPPT), etc., to achieve corresponding functions.
Referring to fig. 7, an embodiment of the present application further provides a photovoltaic system 1. The photovoltaic system 1 comprises a plurality of photovoltaic modules 10 as described above. A plurality of said photovoltaic modules 10 are connected in parallel to form said photovoltaic system 1. Specifically, the positive terminals 201 of the photovoltaic modules 10 are electrically connected, and the negative terminals 301 of the photovoltaic modules 10 are electrically connected, so that the photovoltaic modules 10 are connected in parallel. The photovoltaic system 1 provided by the present embodiment includes the photovoltaic module 10 as described above, and has all the advantages of the photovoltaic module 10. Photovoltaic system 1 can the wiring simple, the cable quantity is few, and can save the cost of labor.
An embodiment of the application still provides a photovoltaic curtain wall. The photovoltaic curtain wall comprises the photovoltaic system 1 and the curtain wall body. The photovoltaic system 1 covers the surface of the curtain wall body and is used for converting light energy into electric energy. The photovoltaic system 1 is formed by connecting a plurality of photovoltaic modules 10 in parallel, so that the voltage is lower and the current is higher. Therefore, the photovoltaic curtain wall that this embodiment provided can satisfy the electric current demand while, and the voltage is lower, and is safer. Meanwhile, the photovoltaic modules 10 are connected in parallel, so that the condition that the whole photovoltaic system is damaged due to the damage of the photovoltaic modules 10 can be avoided, the stability of the photovoltaic curtain wall is improved, and the maintenance cost is reduced.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (9)
1. A photovoltaic curtain wall, comprising:
the photovoltaic curtain wall is formed by arranging a plurality of photovoltaic components in a line manner, and the photovoltaic components are closely distributed, and any adjacent photovoltaic components are connected in parallel; the first edges (111) of the photovoltaic modules are positioned on the first peripheral side of the photovoltaic curtain wall, the second edges (112) of the photovoltaic modules are positioned on the second peripheral side of the photovoltaic curtain wall, and the first peripheral side and the second peripheral side are two opposite peripheral sides of the photovoltaic curtain wall;
photovoltaic module (10) comprising:
the photovoltaic cell (100) comprises a cell body (110), a positive electrode diversion strip (120) and a negative electrode diversion strip (130), wherein the positive electrode diversion strip (120) and the negative electrode diversion strip (130) are arranged on the cell body (110);
a positive electrode terminal device (200) provided at a first edge (111) of the battery body (110);
a negative terminal (300) disposed at a second edge (112) of the battery body (110);
the first edge (111) and the second edge (112) are two opposite edges of the cell body (110);
the positive electrode wiring device (200) includes:
a second positive terminal box (220) disposed at the first edge (111) and electrically connected to the positive current guiding tape (120), wherein the second positive terminal box (220) includes at least one positive terminal (201);
a third positive terminal box (230) disposed at the first edge (111) and electrically connected to the positive current guiding tape (120), wherein the third positive terminal box (230) includes at least one positive terminal (201);
the negative wiring device (300) includes:
a second negative terminal block (320) disposed at the second edge (112) and electrically connected to the negative current guiding strip (130), the second negative terminal block (320) including at least one negative terminal (301);
a third negative terminal box (330) disposed at the second edge (112) and electrically connected to the negative current guiding strip (130), the third negative terminal box (330) including at least one negative terminal (301);
the second positive terminal box (220) and the third positive terminal box (230) are respectively arranged at two ends of the first edge (111); the second negative terminal box (320) and the third negative terminal box (330) are respectively arranged at two ends of the second edge (112);
the positive leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected, and the negative leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected.
2. A photovoltaic curtain wall, comprising:
the photovoltaic curtain wall is formed by a plurality of photovoltaic modules which are arranged in a straight line and are closely distributed, and any adjacent photovoltaic modules are connected in parallel; the first edges (111) of the photovoltaic modules are positioned at the first peripheral side of the photovoltaic curtain wall, the second edges (112) of the photovoltaic modules are positioned at the second peripheral side of the photovoltaic curtain wall, wherein the first peripheral side and the second peripheral side are two opposite peripheral sides of the photovoltaic curtain wall;
photovoltaic module (10) comprising:
the photovoltaic cell (100) comprises a cell body (110), a positive electrode diversion strip (120) and a negative electrode diversion strip (130), wherein the positive electrode diversion strip (120) and the negative electrode diversion strip (130) are arranged on the cell body (110);
a positive electrode terminal device (200) provided at a first edge (111) of the battery body (110);
a negative terminal (300) disposed at a second edge (112) of the battery body (110);
the positive electrode connection device (200) comprises a first positive electrode connection box (210), the first positive electrode connection box (210) is arranged on the first edge (111), the first positive electrode connection box (210) is electrically connected with the positive electrode diversion tape (120), the first positive electrode connection box (210) comprises at least two positive electrode leading-out ends (201), and the at least two positive electrode leading-out ends (201) are respectively arranged at two opposite ends of the first positive electrode connection box (210) and are respectively arranged at one end close to a connected photovoltaic assembly;
the negative electrode wiring device (300) comprises a first negative electrode junction box (310), the first negative electrode junction box (310) is arranged on the second edge (112), the first negative electrode junction box (310) is electrically connected with the negative electrode diversion tape (130), the first negative electrode junction box (310) comprises at least two negative electrode leading-out ends (301), and the at least two negative electrode leading-out ends (301) are respectively arranged at two opposite ends of the first negative electrode junction box (310) and are respectively arranged at one end close to a connected photovoltaic assembly; the first edge (111) and the second edge (112) are two opposite edges of the cell body (110);
the first positive terminal box (210) is centrally arranged at the first edge (111); the first negative terminal box (310) is centrally disposed at the second edge (112);
the positive leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected, and the negative leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected.
3. The utility model provides a photovoltaic module, its characterized in that, photovoltaic module is applied to photovoltaic curtain wall, photovoltaic module includes:
the photovoltaic cell (100) comprises a cell body (110), a positive electrode current guide belt (120) and a negative electrode current guide belt (130), wherein the positive electrode current guide belt (120) and the negative electrode current guide belt (130) are arranged on the cell body (110);
a positive electrode terminal device (200) provided at a first edge (111) of the battery body (110);
a negative terminal (300) disposed at a second edge (112) of the battery body (110);
the first edge (111) and the second edge (112) are two opposite edges of the cell body (110);
the positive electrode wiring device (200) includes:
a second positive terminal box (220) disposed at the first edge (111) and electrically connected to the positive current guiding tape (120), wherein the second positive terminal box (220) includes at least one positive terminal (201);
a third positive terminal box (230) disposed at the first edge (111) and electrically connected to the positive current guiding tape (120), wherein the third positive terminal box (230) includes at least one positive lead-out terminal (201);
the negative wiring device (300) includes:
a second negative terminal block (320) disposed at the second edge (112) and electrically connected to the negative current guiding strip (130), the second negative terminal block (320) including at least one negative terminal (301);
a third negative terminal box (330) disposed at the second edge (112) and electrically connected to the negative current guiding strip (130), the third negative terminal box (330) including at least one negative terminal (301);
the second positive terminal box (220) and the third positive terminal box (230) are respectively arranged at two ends of the first edge (111); the second negative terminal box (320) and the third negative terminal box (330) are respectively arranged at two ends of the second edge (112);
in the photovoltaic curtain wall structure, a plurality of photovoltaic components are closely arranged in a straight line shape, any adjacent photovoltaic components are connected in parallel, the positive leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected, and the negative leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected; the first edges (111) of the photovoltaic modules are located on the first peripheral side of the photovoltaic curtain wall, the second edges (112) of the photovoltaic modules are located on the second peripheral side of the photovoltaic curtain wall, wherein the first peripheral side and the second peripheral side are two opposite peripheral sides of the photovoltaic curtain wall.
4. A photovoltaic module according to claim 3, wherein at least one of the at least two positive terminals (201) is a terminal and at least one of the at least two negative terminals (301) is a terminal.
5. The photovoltaic module of claim 3, wherein at least one of the at least two positive terminals (201) is in the form of a socket and at least one of the at least two negative terminals (301) is in the form of a socket.
6. The photovoltaic module according to any of claims 3 to 5, wherein the positive connection device (200) further comprises a positive protection diode (240), the positive protection diode (240) being connected in series between the positive guiding strip (120) and the positive lead-out (201); the negative wiring device (300) further comprises a negative protection diode (340), and the negative protection diode (340) is connected between the negative diversion strip (130) and the negative leading-out terminal (301) in series.
7. The utility model provides a photovoltaic module, its characterized in that, photovoltaic module is applied to photovoltaic curtain wall, photovoltaic module includes:
the photovoltaic cell (100) comprises a cell body (110), a positive electrode diversion strip (120) and a negative electrode diversion strip (130), wherein the positive electrode diversion strip (120) and the negative electrode diversion strip (130) are arranged on the cell body (110);
a positive electrode terminal device (200) provided at a first edge (111) of the battery body (110);
a negative terminal (300) disposed at a second edge (112) of the battery body (110);
the positive electrode connection device (200) comprises a first positive electrode connection box (210), the first positive electrode connection box (210) is arranged on the first edge (111), the first positive electrode connection box (210) is electrically connected with the positive electrode diversion tape (120), the first positive electrode connection box (210) comprises at least two positive electrode leading-out ends (201), and the at least two positive electrode leading-out ends (201) are respectively arranged at two opposite ends of the first positive electrode connection box (210) and are respectively arranged at one end close to a connected photovoltaic assembly;
the negative electrode wiring device (300) comprises a first negative electrode junction box (310), the first negative electrode junction box (310) is arranged on the second edge (112), the first negative electrode junction box (310) is electrically connected with the negative electrode diversion tape (130), the first negative electrode junction box (310) comprises at least two negative electrode leading-out ends (301), and the at least two negative electrode leading-out ends (301) are respectively arranged at two opposite ends of the first negative electrode junction box (310) and are respectively arranged at one end close to a connected photovoltaic assembly;
in the photovoltaic curtain wall structure, a plurality of photovoltaic components are closely arranged in a straight line shape, any adjacent photovoltaic components are connected in parallel, the positive leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected, and the negative leading-out ends of the adjacent photovoltaic components in the photovoltaic curtain wall are electrically connected; the first edges (111) of the photovoltaic modules are positioned at the first peripheral side of the photovoltaic curtain wall, the second edges (112) of the photovoltaic modules are positioned at the second peripheral side of the photovoltaic curtain wall, wherein the first peripheral side and the second peripheral side are two opposite peripheral sides of the photovoltaic curtain wall;
the first positive terminal box (210) is centrally arranged at the first edge (111); the first negative terminal box (310) is centrally disposed at the second edge (112).
8. A photovoltaic system comprising a photovoltaic module (10) as claimed in any one of claims 3 to 7, the positive terminals (201) of a plurality of the photovoltaic modules (10) being electrically connected, and the negative terminals (301) of a plurality of the photovoltaic modules (10) being electrically connected.
9. Photovoltaic system according to claim 8, characterized in that the photovoltaic system (1) covers the surface of the curtain wall body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854739.1A CN110460304B (en) | 2019-09-10 | 2019-09-10 | Photovoltaic module, system and photovoltaic curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854739.1A CN110460304B (en) | 2019-09-10 | 2019-09-10 | Photovoltaic module, system and photovoltaic curtain wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110460304A CN110460304A (en) | 2019-11-15 |
| CN110460304B true CN110460304B (en) | 2023-04-18 |
Family
ID=68491592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910854739.1A Active CN110460304B (en) | 2019-09-10 | 2019-09-10 | Photovoltaic module, system and photovoltaic curtain wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110460304B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006582A (en) * | 2021-11-19 | 2022-02-01 | 常州时创能源股份有限公司 | Series connection method of photovoltaic modules |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134766Y (en) * | 2007-09-25 | 2008-10-15 | 上海太阳能工程技术研究中心有限公司 | Photovoltaic power generating sunshade panel |
| CN201820768U (en) * | 2010-03-02 | 2011-05-04 | 佛山市南海区大沥佳太五金制品厂 | Extended solar power generation device |
| CN204721306U (en) * | 2015-07-03 | 2015-10-21 | 阿特斯(中国)投资有限公司 | Photovoltaic module |
| CN105118879A (en) * | 2015-07-20 | 2015-12-02 | 安徽灿邦电气有限公司 | Louver blade type photovoltaic sun-shading assembly |
| CN205320021U (en) * | 2016-01-01 | 2016-06-15 | 南通美能得新能源科技股份有限公司 | Solar module with two sets of output terminal |
| CN107690707A (en) * | 2017-08-28 | 2018-02-13 | 通威太阳能（合肥）有限公司 | A kind of internal protection circuitry structure of photovoltaic module |
-
2019
- 2019-09-10 CN CN201910854739.1A patent/CN110460304B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134766Y (en) * | 2007-09-25 | 2008-10-15 | 上海太阳能工程技术研究中心有限公司 | Photovoltaic power generating sunshade panel |
| CN201820768U (en) * | 2010-03-02 | 2011-05-04 | 佛山市南海区大沥佳太五金制品厂 | Extended solar power generation device |
| CN204721306U (en) * | 2015-07-03 | 2015-10-21 | 阿特斯(中国)投资有限公司 | Photovoltaic module |
| CN105118879A (en) * | 2015-07-20 | 2015-12-02 | 安徽灿邦电气有限公司 | Louver blade type photovoltaic sun-shading assembly |
| CN205320021U (en) * | 2016-01-01 | 2016-06-15 | 南通美能得新能源科技股份有限公司 | Solar module with two sets of output terminal |
| CN107690707A (en) * | 2017-08-28 | 2018-02-13 | 通威太阳能（合肥）有限公司 | A kind of internal protection circuitry structure of photovoltaic module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110460304A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8536466B2 (en) | Terminal box and solar cell module | |
| CN208422933U (en) | Photovoltaic module | |
| CN202111117U (en) | Wiring module for solar panels | |
| CN108281499A (en) | A kind of photovoltaic cell component of novel circuit design | |
| CN104852682A (en) | Photovoltaic assembly | |
| CN104980103A (en) | Photovoltaic assembly and manufacturing method therefor | |
| CN110460304B (en) | Photovoltaic module, system and photovoltaic curtain wall | |
| CN110165009A (en) | A kind of photovoltaic module and component string | |
| CN204721306U (en) | Photovoltaic module | |
| WO2019227567A1 (en) | Ultra-narrow photovoltaic junction box with miniature power management module | |
| CN213661562U (en) | Joint formula photovoltaic terminal box | |
| CN112186057B (en) | Parallel-series structure photovoltaic module | |
| CN112290884A (en) | Series-type integrated split type photovoltaic module junction box and photovoltaic module | |
| CN209896083U (en) | Photovoltaic module circuit unit, photovoltaic module circuit and photovoltaic module | |
| CN209526691U (en) | A kind of photovoltaic module structure | |
| CN209561427U (en) | Photovoltaic module | |
| CN207834316U (en) | A kind of photovoltaic cell component of novel circuit design | |
| CN111710741A (en) | Photovoltaic power generation device | |
| CN216981862U (en) | Disjunctor formula terminal box photovoltaic module | |
| CN215578592U (en) | Solar cell double-sided assembly | |
| CN110098795A (en) | A kind of photovoltaic module structure | |
| CN214756234U (en) | Junction box, photovoltaic module and power distribution system | |
| CN211830700U (en) | Junction box and photovoltaic module | |
| CN209266423U (en) | A kind of cell piece component | |
| CN213754435U (en) | Series-type integrated split type photovoltaic module junction box and photovoltaic module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 710000 Floor 26, Qujiang C Block, Wangzuo, Yanxiang Road, Qujiang New Area, Xi'an City, Shaanxi Province Applicant after: Xi'an Zhongyijian Technology Group Co.,Ltd. Address before: 710000 Floor 26, Qujiang C Block, Wangzuo, Yanxiang Road, Qujiang New Area, Xi'an City, Shaanxi Province Applicant before: Xi'an Zhongyijian Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |