CN216928604U - Split type wiring device of photovoltaic module - Google Patents
Split type wiring device of photovoltaic module Download PDFInfo
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- CN216928604U CN216928604U CN202123366041.7U CN202123366041U CN216928604U CN 216928604 U CN216928604 U CN 216928604U CN 202123366041 U CN202123366041 U CN 202123366041U CN 216928604 U CN216928604 U CN 216928604U
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- 239000002699 waste material Substances 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920006342 thermoplastic vulcanizate Polymers 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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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
- 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 split type wiring device of a photovoltaic module.A first junction box comprises a first box body, wherein the bottom of the first box body is provided with a first bus bar through hole and a second bus bar through hole; the second junction box comprises a second box body, and a third bus bar through hole is formed in the second box body; the third junction box comprises a third box body, and a fourth bus bar through hole is formed in the third box body; the upper end of the first bus bar penetrates through the third bus bar through hole to be connected with the second junction box, the upper end of the second bus bar penetrates through the first bus bar through hole to be connected with the diode, the upper end of the third bus bar penetrates through the second bus bar through hole to be connected with the diode, and the upper end of the fourth bus bar penetrates through the fourth bus bar through hole to be connected with the third junction box. According to the utility model, through arranging the three independent junction boxes, the three junction boxes can be simultaneously connected with the bus bars at different positions, and then the three junction boxes are connected in series, so that the mounting efficiency can be improved, and the resource waste can be reduced.
Description
Technical Field
The utility model relates to the technical field of photovoltaic modules, in particular to a split type wiring device of a photovoltaic module.
Background
The photovoltaic module is composed of a high-efficiency crystalline silicon solar cell, ultra-white cloth grain toughened glass, EVA (ethylene vinyl acetate), a transparent TPT (thermoplastic vulcanizate) back plate and an aluminum alloy frame, and has the characteristics of long service life, strong mechanical pressure resistance and external force and the like. The photovoltaic junction box is a connecting device between a solar cell matrix formed by photovoltaic modules and the solar charging control device, and is mainly used for connecting and protecting the photovoltaic modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.
A plurality of bus bars are generally arranged on the photovoltaic module, and one ends of the bus bars penetrate into the photovoltaic junction box to be connected with the diodes. However, when the distribution positions of the plurality of bus bars are far away, the conventional integrated junction box cannot connect a plurality of bus bars in series at the same time, or needs to use the bus bars with long lengths, and is very inconvenient to install.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to solve the inconvenient technical problem of integral type photovoltaic terminal box installation among the prior art. The utility model provides a split type wiring device of a photovoltaic module, which is suitable for the condition that the distance of bus bars on the photovoltaic module is not constant and is convenient to install.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a split type termination of photovoltaic module, photovoltaic module is equipped with first busbar, second busbar, third busbar and fourth busbar, split type termination includes: the first junction box comprises a first box body, a first bus bar through hole and a second bus bar through hole are formed in the bottom of the first box body, and a plurality of diodes are mounted in the first box body; the second junction box is connected with one end of the first junction box and comprises a second box body, and a third bus bar through hole is formed in the second box body; the third junction box is connected with the other end of the second junction box and comprises a third box body, and a fourth bus bar through hole is formed in the third box body; the upper end of the first bus bar penetrates through the third bus bar through hole to be connected with a second junction box, the upper end of the second bus bar penetrates through the first bus bar through hole to be connected with the diode, the upper end of the third bus bar penetrates through the second bus bar through hole to be connected with the diode, and the upper end of the fourth bus bar penetrates through the fourth bus bar through hole to be connected with the third junction box.
According to the utility model, the three independent junction boxes are arranged, the diodes are arranged in the first junction box, the diodes are not arranged in the second junction box and the third junction box, the three junction boxes can be simultaneously connected with the bus bars at different positions, and then the three junction boxes are connected in series, so that the mounting efficiency can be improved, and the resource waste can be reduced.
Furthermore, a first conducting strip and a second conducting strip are arranged in the first junction box and connected, a first through hole is formed in the first conducting strip, a second through hole is formed in the second conducting strip, the position of the first through hole corresponds to that of the first bus bar through hole, and the position of the second through hole corresponds to that of the second bus bar through hole.
Furthermore, a third conducting strip is arranged in the second junction box, a third through hole is formed in the third conducting strip, and the position of the third through hole corresponds to the position of the third bus bar through hole; a fourth conducting strip is arranged in the third junction box, a fourth through hole is formed in the fourth conducting strip, and the position of the fourth through hole corresponds to the position of the fourth bus bar through hole.
Furthermore, the first junction box is further provided with a fifth conducting strip and a sixth conducting strip, the fifth conducting strip is connected with the first conducting strip, and the sixth conducting strip is connected with the second conducting strip.
Furthermore, the third conductive sheet is connected with the fifth conductive sheet, and the fourth conductive sheet is connected with the sixth conductive sheet.
Furthermore, the third conductive plate is connected with the fifth conductive plate through a first cable, and the fourth conductive plate is connected with the sixth conductive plate through a second cable.
Furthermore, one end of the first box body is provided with a first threading hole, the other end of the first box body is provided with a second threading hole, one end of the second box body close to the first box body is provided with a third threading hole, and one end of the third box body close to the first box body is provided with a fourth threading hole; one end of the first cable penetrates through the third threading hole to be connected with the third conducting strip, the other end of the first cable penetrates through the first threading hole to be connected with the fifth conducting strip, one end of the second cable penetrates through the second threading hole to be connected with the sixth conducting strip, and the other end of the second cable penetrates through the fourth threading hole to be connected with the fourth conducting strip.
Further, still include: the first connecting terminal is connected with the second junction box, and the second connecting terminal is connected with the third junction box.
The split type wiring device of the photovoltaic module has the advantages that the three independent junction boxes are arranged, the diodes are arranged in the first junction box, the diodes are not arranged in the second junction box and the third junction box, the three junction boxes are connected in series through the cables, the split type wiring device of the photovoltaic module is suitable for the condition that the distances of bus bars of the photovoltaic modules with different specifications are not constant, the installation steps are simplified, and the working efficiency of the photovoltaic module can be improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a photovoltaic module of the present invention.
Fig. 2 is a schematic structural view of a split junction device of the photovoltaic module of the present invention.
Fig. 3 is a schematic view of the first junction box of the present invention.
Fig. 4 is a schematic structural view of a second junction box of the present invention.
Fig. 5 is a schematic view of a third junction box of the present invention.
In the figure: 1. a first bus bar, 2, a second bus bar, 3, a third bus bar, 4, a fourth bus bar, 5, a diode, 6, a first cable, 7, a second cable, 8, a first connection terminal, 9, a second connection terminal, 10, a first junction box, 101, a first box body, 102, a first bus bar through hole, 103, a second bus bar through hole, 104, a first conductive sheet, 105, a second conductive sheet, 106, a fifth conductive sheet, 107, a sixth conductive sheet, 108, a first threading hole, 109, a second threading hole, 1041, a first perforation, 1051, a second perforation, 20, a second junction box, 201, a second box body, 202, a third conductive sheet through hole, 203, a third perforation, 2031, a third perforation, 204, a third threading hole, 30, a third junction box, 301, a third box body, 302, a fourth bus bar through hole, 3031, a fourth perforation, 304. and a fourth threading hole.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, a split type wiring device of a photovoltaic module, wherein the photovoltaic module is provided with a first bus bar 1, a second bus bar 2, a third bus bar 3 and a fourth bus bar 4, the arrangement directions of the first bus bar 1, the second bus bar 2, the third bus bar 3 and the fourth bus bar 4 are consistent and are arranged in a shape of a Chinese character "i", the upper end of each bus bar is used for connecting a junction box, and the lower end of each bus bar is used for connecting a solar panel.
The split type wiring device of the embodiment comprises: a first terminal box 10, a second terminal box 20, and a third terminal box 30. The first junction box 10 includes a first box 101, a first bus bar through hole 102 and a second bus bar through hole 103 are opened at the bottom of the first box 101, and a plurality of diodes 5 are installed in the first box 101. The second junction box 20 is connected to one end of the first junction box 10, the second junction box 20 includes a second box 201, and a third bus bar through hole 202 is formed in the second box 201. The third junction box 30 is connected to the other end of the second junction box 20, the third junction box 30 includes a third box 301, and a fourth bus bar through hole 302 is formed in the third box 301. The upper end of the first bus bar 1 passes through the third bus bar through hole 202 to be connected with the second junction box 20, the upper end of the second bus bar 2 passes through the first bus bar through hole 102 to be connected with the diode 5, the upper end of the third bus bar 3 passes through the second bus bar through hole 103 to be connected with the diode 5, and the upper end of the fourth bus bar 4 passes through the fourth bus bar through hole 302 to be connected with the third junction box 30. In other words, two busbars of the photovoltaic module are connected to the first junction box 10, one busbar is connected to the second junction box 20, and one busbar is connected to the third junction box 30. The second and third terminal blocks 20 and 30 are connected to both ends of the first terminal block 10, respectively. Like this split type structure, different terminal boxes can be installed in different positions, and are close to with the busbar as far as possible, can connect through the cable between the adjacent terminal box, and the length of cable can set up according to the demand, can reduce the wasting of resources like this, improves photovoltaic module's work efficiency.
In this embodiment, the first junction box 10 is internally provided with a first conductive sheet 104 and a second conductive sheet 105, the first conductive sheet 104 is connected to the second conductive sheet 105, the first conductive sheet 104 is provided with a first through hole 1041, the second conductive sheet 105 is provided with a second through hole 1051, the position of the first through hole 1041 corresponds to the position of the first bus bar through hole 102, and the position of the second through hole 1051 corresponds to the position of the second bus bar through hole 103. Thus, when the bus bar is inserted into the first junction box 10, the first bus bar through hole 102 and the first penetration hole 1041 (or the second bus bar through hole 103 and the second penetration hole 1051) can be directly passed through, and the bus bar does not need to be additionally bent, so that the mounting step can be simplified. The first bus bar through hole 102 and the first penetration hole 1041 and the second bus bar through hole 103 and the second penetration hole 1051 are matched with the size of the bus bar.
In this embodiment, a third conductive sheet 203 is disposed in the second junction box 20, a third through hole 2031 is formed in the third conductive sheet 203, and a position of the third through hole 2031 corresponds to a position of the third bus bar through hole 202; a fourth conductive sheet 303 is arranged in the third junction box 30, a fourth through hole 3031 is formed in the fourth conductive sheet 303, and the position of the fourth through hole 3031 corresponds to the position of the fourth bus bar through hole 302. In this way, when the bus bar penetrates into the second terminal box 20 (or the third terminal box 30), the third bus bar through hole 202 and the third penetration hole 2031 (or the fourth bus bar through hole 302 and the fourth penetration hole 3031) can be directly passed through, the bus bar does not need to be additionally bent, and the mounting step can be simplified. The third bus bar throughhole 202 and the third penetration hole 2031 and the fourth bus bar throughhole 302 and the fourth penetration hole 3031 are matched to the size of the bus bars.
In this embodiment, the first terminal box 10 is further provided with a fifth conductive sheet 106 and a sixth conductive sheet 107, the fifth conductive sheet 106 is connected to the first conductive sheet 104 (may be connected by the diode 5), and the sixth conductive sheet 107 is connected to the second conductive sheet 105 (may be connected by the diode 5). The third conductive plate 203 is connected to the fifth conductive plate 106, and the fourth conductive plate 303 is connected to the sixth conductive plate 107. Specifically, the third conductive plate 203 and the fifth conductive plate 106 are connected by a first cable 6, and the fourth conductive plate 303 and the sixth conductive plate 107 are connected by a second cable 7.
In this embodiment, one end of the first box 101 is provided with a first threading hole 108, the other end of the first box 101 is provided with a second threading hole 109, one end of the second box 201 close to the first box 101 is provided with a third threading hole 204, and one end of the third box 301 close to the first box 101 is provided with a fourth threading hole 304; one end of the first cable 6 passes through the third threading hole 204 to be connected with the third conductive sheet 203, the other end of the first cable 6 passes through the first threading hole 108 to be connected with the fifth conductive sheet 106, one end of the second cable 7 passes through the second threading hole 109 to be connected with the sixth conductive sheet 107, and the other end of the second cable 7 passes through the fourth threading hole 304 to be connected with the fourth conductive sheet 303.
The present embodiment further includes a first connection terminal 8 and a second connection terminal 9, the first connection terminal 8 is connected to the second junction box 20 (may be connected by a cable), and the second connection terminal 9 is connected to the third junction box 30 (may be connected by a cable). Specifically, the wiring device comprises a first connection terminal 8, a second connection terminal 20, a first connection terminal 10, a third connection terminal 30 and a second connection terminal 9 in sequence from left to right, wherein the first connection terminal 8 and the second connection terminal 9 are used for connecting an external connector.
In summary, the three independent junction boxes are arranged, the diode 5 is arranged in the first junction box 10, no diode is arranged in the second junction box 20 and the third junction box 30, the three junction boxes are connected in series through the cables, the photovoltaic module is suitable for the situation that the distance between bus bars of photovoltaic modules with different specifications is not constant, the installation steps are simplified, and the working efficiency of the photovoltaic modules can be improved.
In light of the foregoing description of the preferred embodiments of the present invention, it is intended that the present invention cover modifications and variations of this invention provided they fall within the scope of the following claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined by the scope of the claims.
Claims (8)
1. The utility model provides a split type termination of photovoltaic module, photovoltaic module is equipped with first busbar (1), second busbar (2), third busbar (3) and fourth busbar (4), its characterized in that, split type termination includes:
the first junction box (10), the first junction box (10) comprises a first box body (101), a first bus bar through hole (102) and a second bus bar through hole (103) are formed in the bottom of the first box body (101), and a plurality of diodes (5) are mounted in the first box body (101);
the second junction box (20), the second junction box (20) is connected with one end of the first junction box (10), the second junction box (20) comprises a second box body (201), and a third bus bar through hole (202) is formed in the second box body (201);
the third junction box (30), the third junction box (30) is connected with the other end of the second junction box (20), the third junction box (30) comprises a third box body (301), and a fourth bus bar through hole (302) is formed in the third box body (301);
the upper end of the first bus bar (1) penetrates through the third bus bar through hole (202) to be connected with a second junction box (20), the upper end of the second bus bar (2) penetrates through the first bus bar through hole (102) to be connected with the diode (5), the upper end of the third bus bar (3) penetrates through the second bus bar through hole (103) to be connected with the diode (5), and the upper end of the fourth bus bar (4) penetrates through the fourth bus bar through hole (302) to be connected with the third junction box (30).
2. The split junction device of a photovoltaic module according to claim 1, wherein a first conductive sheet (104) and a second conductive sheet (105) are disposed in the first junction box (10), the first conductive sheet (104) is connected to the second conductive sheet (105), a first through hole (1041) is formed in the first conductive sheet (104), a second through hole (1051) is formed in the second conductive sheet (105), the first through hole (1041) corresponds to the first bus bar through hole (102), and the second through hole (1051) corresponds to the second bus bar through hole (103).
3. The split junction device of a photovoltaic module according to claim 2, wherein a third conductive sheet (203) is disposed in the second junction box (20), a third through hole (2031) is formed in the third conductive sheet (203), and the position of the third through hole (2031) corresponds to the position of the third bus bar through hole (202); a fourth conducting strip (303) is arranged in the third junction box (30), a fourth through hole (3031) is formed in the fourth conducting strip (303), and the position of the fourth through hole (3031) corresponds to the position of the fourth bus bar through hole (302).
4. The split junction device of a photovoltaic module according to claim 3, wherein the first junction box (10) is further provided with a fifth conductive sheet (106) and a sixth conductive sheet (107), the fifth conductive sheet (106) is connected to the first conductive sheet (104), and the sixth conductive sheet (107) is connected to the second conductive sheet (105).
5. The split junction device of a photovoltaic module according to claim 4, wherein the third conductive sheet (203) is connected to the fifth conductive sheet (106), and the fourth conductive sheet (303) is connected to the sixth conductive sheet (107).
6. The split-type wiring device of a photovoltaic module according to claim 5, wherein the third conductive sheet (203) and the fifth conductive sheet (106) are connected by a first cable (6), and the fourth conductive sheet (303) and the sixth conductive sheet (107) are connected by a second cable (7).
7. The split-type wiring device of the photovoltaic module as claimed in claim 6, wherein one end of the first box body (101) is provided with a first wiring hole (108), the other end of the first box body (101) is provided with a second wiring hole (109), the second box body (201) is provided with a third wiring hole (204) at one end close to the first box body (101), and the third box body (301) is provided with a fourth wiring hole (304) at one end close to the first box body (101); one end of the first cable (6) penetrates through the third threading hole (204) to be connected with the third conducting strip (203), the other end of the first cable (6) penetrates through the first threading hole (108) to be connected with the fifth conducting strip (106), one end of the second cable (7) penetrates through the second threading hole (109) to be connected with the sixth conducting strip (107), and the other end of the second cable (7) penetrates through the fourth threading hole (304) to be connected with the fourth conducting strip (303).
8. The split junction device for photovoltaic modules of claim 1, further comprising: a first connection terminal (8) and a second connection terminal (9), the first connection terminal (8) being connected to the second junction box (20), the second connection terminal (9) being connected to the third junction box (30).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123366041.7U CN216928604U (en) | 2021-12-29 | 2021-12-29 | Split type wiring device of photovoltaic module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123366041.7U CN216928604U (en) | 2021-12-29 | 2021-12-29 | Split type wiring device of photovoltaic module |
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CN216928604U true CN216928604U (en) | 2022-07-08 |
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CN202123366041.7U Active CN216928604U (en) | 2021-12-29 | 2021-12-29 | Split type wiring device of photovoltaic module |
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CN (1) | CN216928604U (en) |
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2021
- 2021-12-29 CN CN202123366041.7U patent/CN216928604U/en active Active
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Address after: No.16, Yaxi Road, Zhixi Town, Jintan District, Changzhou City, Jiangsu Province 213200 Patentee after: Jiangsu Zerun Xinneng Technology Co.,Ltd. Address before: No.16, Yaxi Road, Zhixi Town, Jintan District, Changzhou City, Jiangsu Province 213200 Patentee before: Jiangsu Zerun New Material Co.,Ltd. |
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