CN217361609U - Photovoltaic module cell arrangement structure - Google Patents

Photovoltaic module cell arrangement structure Download PDF

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Publication number
CN217361609U
CN217361609U CN202221308571.8U CN202221308571U CN217361609U CN 217361609 U CN217361609 U CN 217361609U CN 202221308571 U CN202221308571 U CN 202221308571U CN 217361609 U CN217361609 U CN 217361609U
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battery piece
diode
input
output
photovoltaic module
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CN202221308571.8U
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Chinese (zh)
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徐闯
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Jetion Solar Jiangsu Co Ltd
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Jetion Solar Jiangsu Co Ltd
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    • 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

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Abstract

The utility model relates to a photovoltaic module battery piece structure of arranging, it is a plurality of the battery piece is established ties into battery piece strip, a plurality of battery piece strip is even to be established battery piece unit, and is a plurality of battery piece unit is arranged side by side to establish ties into battery piece subassembly through wire end to end, just battery piece subassembly connection input and output, the input links to each other with the negative pole of head end battery piece unit, the output links to each other with the positive pole of tail end battery piece unit, just the input with the output is located battery piece subassembly with one side position, photovoltaic module battery piece structure of arranging, battery piece subassembly's input and output are located photovoltaic module's same one side, make things convenient for photovoltaic module to maintain and make things convenient for photovoltaic module to need not the installing support during just the installation, alleviate the load on house roof, simple to operate.

Description

Photovoltaic module cell arrangement structure
Technical Field
The utility model relates to a photovoltaic equipment especially relates to a photovoltaic module battery piece structure of arranging.
Background
With the popularization of photovoltaic building integration (BMPV), the load capacity of a house is more and more emphasized, the current cell typesetting mode (such as fig. 1 and fig. 2) of a conventional module is a double parallel mode of placing a junction box at the middle two sides of the back of the module, and the typesetting module can only be erected to form a larger installation angle or an installation height of more than 0.5m on the roof during roof installation, so that an operator can connect the module and the input and output ends of the module in series at the back of the module, but the erection not only increases the load of the house, but also increases the difficulty of construction operation.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned shortcoming of the prior art, the utility model aims at providing a photovoltaic module battery piece structure of arranging to solve one or more problems among the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a photovoltaic module battery piece structure of arranging, a plurality of the battery piece is established ties into battery piece strip, a plurality of battery piece strip is established ties into the battery piece unit, and is a plurality of the battery piece unit is arranged side by side to establish ties into the battery piece subassembly through wire end to end, just the battery piece subassembly connects input and output, the input links to each other with the negative pole of head end battery piece unit, the output links to each other with the positive pole of tail end battery piece unit, just the input with the output is located the battery piece subassembly with one side position.
As a further improvement of the above technical solution:
when the number of the battery piece units connected in series into the battery piece assembly is even, the negative electrode of the first-end battery piece unit and the positive electrode of the tail-end battery piece unit of the battery piece assembly are positioned on the same side and are directly connected with the input end and the output end which are arranged on the same side through leads.
When the number of the battery sheet units connected in series to form the battery sheet assembly is odd, the negative electrode of the head-end battery sheet unit of the battery sheet assembly and the positive electrode of the tail-end battery sheet unit are positioned at different sides, one of the input end and the output end is connected with the negative electrode of the head-end battery sheet unit or the positive electrode of the tail-end battery sheet unit at different sides through an input-output jumper, and the other one of the input end and the output end is connected with the negative electrode of the head-end battery sheet unit or the positive electrode of the tail-end battery sheet unit at the same side through a lead.
The input with connect diode interconnecting link between the output, diode interconnecting link connects a plurality of diodes, the diode positive pole is connected with the input, and the negative pole is connected with the output, the quantity of diode is unanimous with battery piece unit quantity, every the equal parallelly connected diode of battery piece unit.
The wire that two adjacent battery piece units of diode interconnecting link electricity were established ties adopts the stub wire electricity to link when the battery piece subassembly homonymy with the diode interconnecting link, and the wire that two adjacent battery piece units were established ties links through the diode jumper electricity with the diode interconnecting link when the battery piece subassembly is different from the side.
The diode jumper wire and the input/output jumper wire are made of copper core tinning bus strips and are located on the back of the battery piece assembly.
Insulation strips are arranged between the diode jumper, the input/output jumper and the battery piece assembly, the insulation strips are made of PET materials, and one EVA adhesive film is compounded on the outer sides of the insulation strips.
The diode connecting circuit copper core tinning bus-bar belt is made, and the diode connecting circuit is connected with a plurality of joints for connecting an input line, an output line and a diode.
The battery piece is a crystal silicon battery piece, the crystal silicon battery piece in the battery piece strip is established ties through the interconnection strip, the battery piece strip connects in parallel into the battery piece unit through copper core tinning busbar, the battery piece unit establishes ties into the battery piece subassembly through copper core tinning busbar.
The input end and the output end of two adjacent battery piece assemblies can be connected in series through a lead.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
1) the input end and the output end of the cell piece assembly are positioned on the same side of the photovoltaic assembly, so that the photovoltaic assembly is convenient to maintain and manufacture, and the input end and the output end of the cell piece are positioned on the same side, so that the photovoltaic assemblies are convenient to be connected in series through a wire, a bracket is not required to be used during installation, the load of a house roof can be reduced, and the installation is convenient;
2) the battery piece assembly is connected with the diode through the diode connecting wire, and each battery piece unit in the battery piece assembly is connected with the diode in parallel, so that the whole battery piece assembly can still normally work when any one battery piece unit breaks down and is broken;
3) because the input end and the output end are arranged on one side, a diode jumper wire and an input/output jumper wire are needed to be adopted for jumper connection, and the diode jumper wire and the input/output jumper wire are arranged at the back of the photovoltaic assembly, so that the photoelectric conversion rate of the photovoltaic assembly is not reduced;
4) insulation strips are arranged between the diode jumper, the input/output jumper and the battery piece assembly, so that the diode jumper and the input/output jumper can be prevented from contacting the battery assembly 4 and other circuit leads to short circuit;
5) the insulating strips are made of PET materials, and the EVA adhesive films are compounded on the outer sides of the insulating strips, so that the insulating effect is achieved, and meanwhile, the high-temperature packaging compounding of the assembly laminating piece is not influenced.
Drawings
Fig. 1 shows a schematic circuit diagram of a conventional cell arrangement of a photovoltaic module.
Fig. 2 shows a schematic arrangement of a conventional cell arrangement of a photovoltaic module.
Fig. 3 is a schematic circuit diagram illustrating the cell arrangement structure of the photovoltaic module according to the first embodiment.
Fig. 4 shows a schematic circuit diagram of the cell arrangement of the photovoltaic module according to the second embodiment.
Fig. 5 shows a schematic circuit diagram of the cell arrangement of the photovoltaic module according to the third embodiment.
Fig. 6 shows a schematic circuit diagram of the cell arrangement of the photovoltaic module according to the fourth embodiment.
Fig. 7 shows a schematic layout of the cell sheet layout structure of the photovoltaic module of the fourth embodiment.
Fig. 8 shows the arrangement and circuit connection schematic diagram of the cell arrangement structure of the photovoltaic module of the fourth embodiment.
Fig. 9 shows a schematic diagram of the actual installation of the cell arrangement structure of the photovoltaic module of the present embodiment.
In the drawings, the reference numbers:
1. a battery piece; 2. a battery strip; 21. an interconnection bar; 3. a cell unit; 4. a battery sheet assembly; 41. an input end; 42. an output end; 5. an input/output jumper; 6. a diode connection line; 61. a joint; 7. a diode; 8. a diode jumper wire; 9. an insulating strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and clearly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in technology, and any modification of the structure, change of the proportion relation or adjustment of the size should fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.
Example one
As shown in fig. 3, in the photovoltaic module cell arrangement structure of this embodiment, a plurality of cells 1 are connected in series to form a cell strip 2, two cell strips 2 are connected in parallel to form a cell unit 3, four cell units 3 are arranged in parallel and connected in series to form a cell assembly 4 through a lead, a negative electrode of the first-end cell unit 3 of the cell assembly 4 and a positive electrode of the tail-end cell unit 3 are located at the lower side of the cell assembly 4, the cell assembly 4 is connected with an input end 41 and an output end 42, the input end 41 and the output end 42 are also located at the lower side of the cell assembly 4, the input end 41 is connected with the negative electrode of the first-end cell unit 3, the output end 42 is connected with the positive electrode of the tail-end cell unit 3 to form a circuit, the input end 41 and the output end 42 are located at the same side of the cell assembly 4, which is convenient for maintenance and assembly manufacturing.
Example two
As shown in fig. 4, in the photovoltaic module cell arrangement structure of this embodiment, a plurality of cells 1 are connected in series to form a cell strip 2, two cell strips 2 are connected in parallel to form a cell unit 3, four cell units 3 are arranged in parallel and connected in series end to end by a lead to form a cell assembly 4, a negative electrode of the cell unit 3 at the head end of the cell assembly 4 and a positive electrode of the cell unit 3 at the tail end of the cell assembly 4 are located at the lower side of the cell assembly 4, the cell assembly 4 is connected with an input end 41 and an output end 42, the input end 41 and the output end 42 are also located at the lower side of the cell assembly 4, the input end 41 is connected with the negative electrode of the cell unit 3 at the head end by a short lead, the output end 42 is connected with the positive electrode of the cell unit 3 at the tail end by a short lead to form a circuit, so that the input end 41 and the output end 42 are located at the same side of the cell assembly 4, which is convenient for maintenance and assembly manufacturing;
a diode connecting circuit 6 is connected between the input end 41 and the output end 42, the diode connecting circuit 6 is connected with four diodes 7, the anode of the diode 7 is connected with the input end 41, the cathode of the diode 7 is connected with the output end 42, the diode connecting circuit 6 is positioned between the first diode 7 and the second diode 7 and is connected with a lead wire connected in series between the first battery slice unit 3 and the second battery slice unit 3 through a diode jumper wire 8, the diode connecting circuit 6 is positioned between the second diode 7 and the third diode 7 and is connected with a lead wire connected in series between the second battery slice unit 3 and the third battery slice unit 3 through a short lead wire, the diode connecting circuit 6 is positioned between the third diode 7 and the fourth diode 7 and is connected with a lead wire connected in series between the third battery slice unit 3 and the fourth battery slice unit 3 through a diode jumper wire 8, each battery slice unit 3 is connected with one diode 7 in parallel, when any battery slice unit 3 is broken due to faults, the entire cell wafer assembly 4 can still function properly.
EXAMPLE III
As shown in fig. 5, in the cell arrangement structure of the photovoltaic module of this embodiment, a plurality of cells 1 are connected in series to form a cell strip 2, two cell strips 2 are connected in parallel to form a cell unit 3, three cell units 3 are arranged in parallel and connected in series to form a cell assembly 4 through a lead, the negative electrode of the cell unit 3 at the head end of the cell assembly 4 is located at the lower side of the cell assembly 4, the positive electrode of the cell unit 3 at the tail end of the cell assembly 4 is located at the upper side of the cell assembly 4, the cell assembly 4 is connected with an input terminal 41 and an output terminal 42, the input terminal 41 and the output terminal 42 are also located at the upper side of the cell assembly 4, the input terminal 41 is connected with the negative electrode of the cell unit 3 at the head end through an input/output jumper 5, the output terminal 42 is connected with the positive electrode of the cell unit 3 at the tail end through a short lead to form a circuit, the input terminal 41 and the output terminal 42 are located at the same side of the cell assembly 4, and the maintenance and the assembly manufacturing are convenient.
Example four
As shown in fig. 6 and 7, in the cell arrangement structure of the photovoltaic module of this embodiment, a plurality of cells 1 are connected in series to form a cell strip 2, two cell strips 2 are connected in parallel to form a cell unit 3, three cell units 3 are arranged in parallel and connected in series to form a cell assembly 4 through a lead, the negative electrode of the cell unit 3 at the head end of the cell assembly 4 is located at the lower side of the cell assembly 4, the positive electrode of the cell unit 3 at the tail end of the cell assembly 4 is located at the upper side of the cell assembly 4, the cell assembly 4 is connected with an input terminal 41 and an output terminal 42, the input terminal 41 and the output terminal 42 are also located at the upper side of the cell assembly 4, the input terminal 41 is connected with the negative electrode of the cell unit 3 at the head end through an input/output jumper 5, the output terminal 42 is connected with the positive electrode of the cell unit 3 at the tail end through a short lead to form a circuit, the input terminal 41 and the output terminal 42 are located at the same side of the cell assembly 4, and the maintenance and the assembly manufacturing are convenient.
The diode connecting circuit 6 is connected between the input end 41 and the output end 42, the diode connecting circuit 6 is connected with the three diodes 7, the anode of the diode 7 is connected with the input end 41, the cathode of the diode 7 is connected with the output end 42, the position of the diode connecting circuit 6 between the first diode 7 and the second diode 7 is connected with the lead connected in series between the first battery slice unit 3 and the second battery slice unit 3 through a short lead, the position of the diode connecting circuit 6 between the second diode 7 and the third diode 7 is connected with the lead connected in series between the second battery slice unit 3 and the third battery slice unit 3 through a diode jumper wire 8, each battery slice unit 3 is connected with one diode 7 in parallel, and when any one battery slice unit 3 is broken due to faults, the whole battery slice assembly 4 can still normally operate.
As shown in fig. 8, in the photovoltaic module cell arrangement structure of the present embodiment, the cell 1 is a crystalline silicon cell, the crystalline silicon cells in the cell strip 2 are connected in series by the interconnection bar 21, the cell strip 2 is connected in parallel by the copper core tinned bus bar to form the cell unit 3, the cell unit 3 is connected in series by the copper core tinned bus bar to form the cell module 4, the diode connection line 6 is also made of the copper core tinned bus bar, the diode connection line 6 is connected to the bus bar on the upper side of the cell module 4, the diode connection line 6 is connected to three connectors 61, the first connector 61 is used for connecting the input line and the first diode 7, the second connector 61 is used for connecting the second diode 7, the third connector 61 is used for connecting the output line and the third diode 7, and the diode connecting circuit 6 is connected with the bus bar on the upper side of the battery piece assembly 4 through an input/output jumper 5 and a diode jumper 8 respectively.
The diode jumper wire 8 and the input and output jumper wire 5 are also made of copper core tinning bus strips, and the diode jumper wire 8 and the input and output jumper wire 5 are located on the back of the battery piece assembly 4, so that the photoelectric conversion rate of the photovoltaic assembly is not reduced.
All be provided with the insulated strip 9 between diode wire jumper 8 and input/output wire jumper 5 and the battery piece subassembly 4, can prevent that diode wire jumper 8 and input/output wire jumper 5 from contacting battery piece subassembly 4 and other wires of circuit and leading to the short circuit, the insulated strip 9 adopts the PET material to make, and the compound one deck EVA glued membrane in the insulated strip 9 outside, and the high temperature encapsulation that does not influence the subassembly lamination spare is compound when satisfying insulating effect.
As shown in fig. 9, the cell assemblies 4 in the first to fourth embodiments can be packaged and compounded in the photovoltaic module, so that the input end 41 and the output end 42 of the whole photovoltaic module are also located on the same side, the photovoltaic modules can be directly attached and installed on the roof, and the input end 41 and the output end 42 of the photovoltaic modules can be connected in series through wires, so that a mounting bracket is not needed, the load of the roof of the house can be reduced, and the installation is convenient.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a photovoltaic module battery piece structure of arranging which characterized in that: a plurality of the battery piece is established ties into the battery piece strip, a plurality of the battery piece strip is established ties into the battery piece unit, and is a plurality of the battery piece unit is arranged side by side to establish ties into the battery piece subassembly through wire end to end, just input and output are connected to the battery piece subassembly, the input links to each other with the negative pole of head end battery piece unit, the output links to each other with the positive pole of tail end battery piece unit, just the input with the output is located the same side position of battery piece subassembly.
2. The photovoltaic module cell arrangement according to claim 1, wherein: when the number of the battery piece units connected in series into the battery piece assembly is even, the negative electrode of the first-end battery piece unit and the positive electrode of the tail-end battery piece unit of the battery piece assembly are positioned on the same side and are directly connected with the input end and the output end which are arranged on the same side through leads.
3. The photovoltaic module cell arrangement according to claim 1, wherein: when the number of the battery piece units connected in series to form the battery piece assembly is odd, the negative electrode of the head-end battery piece unit of the battery piece assembly and the positive electrode of the tail-end battery piece unit are positioned on different sides, one of the input end and the output end is connected with the negative electrode of the head-end battery piece unit or the positive electrode of the tail-end battery piece unit on different sides through an input/output jumper, and the other one is connected with the negative electrode of the head-end battery piece unit or the positive electrode of the tail-end battery piece unit on the same side through a lead.
4. The photovoltaic module cell arrangement according to claim 2 or 3, wherein: the input with connect diode interconnecting link between the output, diode interconnecting link connects a plurality of diodes, the diode positive pole is connected with the input, and the negative pole is connected with the output, the quantity of diode is unanimous with battery piece unit quantity, every a diode of all parallelly connected of battery piece unit.
5. The photovoltaic module cell arrangement according to claim 4, wherein: the wire that two adjacent battery piece units of diode interconnecting link electricity were established ties adopts the stub wire electricity to link when the battery piece subassembly homonymy with the diode interconnecting link, and the wire that two adjacent battery piece units were established ties links through the diode jumper electricity with the diode interconnecting link when the battery piece subassembly is different from the side.
6. The photovoltaic module cell arrangement according to claim 5, wherein: the diode jumper wire and the input/output jumper wire are made of copper core tinning bus strips and are located on the back of the battery piece assembly.
7. The photovoltaic module cell arrangement according to claim 5, wherein: insulation strips are arranged between the diode jumper, the input/output jumper and the battery piece assembly, the insulation strips are made of PET materials, and one EVA adhesive film is compounded on the outer sides of the insulation strips.
8. The photovoltaic module cell arrangement according to claim 4, wherein: the diode connecting circuit is made of a copper core tinning bus belt and is connected with a plurality of joints used for connecting an input line, an output line and a diode.
9. The photovoltaic module cell arrangement according to claim 1, wherein: the battery piece is a crystal silicon battery piece, the crystal silicon battery piece in the battery piece strip is established ties through the interconnection strip, the battery piece strip connects in parallel into the battery piece unit through copper core tinning busbar, the battery piece unit establishes ties into the battery piece subassembly through copper core tinning busbar.
10. The photovoltaic module cell arrangement according to claim 1, wherein: the input end and the output end of two adjacent battery piece assemblies can be connected in series through a lead.
CN202221308571.8U 2022-05-26 2022-05-26 Photovoltaic module cell arrangement structure Active CN217361609U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221308571.8U CN217361609U (en) 2022-05-26 2022-05-26 Photovoltaic module cell arrangement structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221308571.8U CN217361609U (en) 2022-05-26 2022-05-26 Photovoltaic module cell arrangement structure

Publications (1)

Publication Number Publication Date
CN217361609U true CN217361609U (en) 2022-09-02

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CN (1) CN217361609U (en)

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