CN220823025U - Three split type photovoltaic terminal boxes - Google Patents
Three split type photovoltaic terminal boxes Download PDFInfo
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- CN220823025U CN220823025U CN202322314386.0U CN202322314386U CN220823025U CN 220823025 U CN220823025 U CN 220823025U CN 202322314386 U CN202322314386 U CN 202322314386U CN 220823025 U CN220823025 U CN 220823025U
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- junction box
- box
- terminal
- conductive terminal
- photovoltaic
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- 238000009434 installation Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000012536 packaging technology Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a three-split type photovoltaic junction box, which relates to the technical field of solar panels and comprises a negative junction box, a middle junction box and a positive junction box, wherein the negative junction box and the positive junction box are symmetrically arranged about the center of the middle junction box; in addition, the structure of the photovoltaic element in the positive electrode junction box is the same as that of the photovoltaic element in the negative electrode junction box, so that the same set of stamping die is adopted for production during production and manufacturing, the production efficiency is improved, and meanwhile, the management of the photovoltaic element parts is facilitated; the photovoltaic element adopts an integrated packaging technology of the conductive terminal and the diode, so that secondary switching is avoided, and the conductivity of the diode can be enhanced.
Description
Technical Field
The utility model relates to the technical field of solar panels, in particular to a three-split photovoltaic junction box.
Background
At present, a photovoltaic module formed by combining a plurality of solar cells is used as a basic photovoltaic power generation unit in a large number of photovoltaic power generation systems for buildings, and in actual use, a junction box is required to be used for leading out electric energy generated by the photovoltaic module and connecting the electric energy with an external load.
The photovoltaic module junction box is generally directly attached to the surface of the module, then the junction box is connected between the multiple rows of battery piece groups for collecting current, and the connection mode needs to be connected with the same general junction box by using a longer bus bar in a cross-domain larger distance, so that the loss is larger.
In addition, the junction box is generally internally provided with a plurality of diodes, the diodes are required to be connected, the conductivity is influenced by secondary switching, in addition, the junction box is large in size and not suitable for being arranged on a glass curtain wall, and particularly for a photovoltaic module with higher power generation efficiency, the module is greatly influenced by the coverage of the area of the box body of the junction box, and the power generation performance of the module is influenced.
Disclosure of Invention
The utility model aims to provide a three-split photovoltaic junction box so as to solve the problems in the background art.
The utility model provides a three split type photovoltaic terminal boxes, includes negative terminal box, well terminal box and positive terminal box, and negative terminal box and positive terminal box are installed about the central symmetry of well terminal box, all install photovoltaic element in negative terminal box, well terminal box and the positive terminal box's the box body, be equipped with cable fixed part one on the negative terminal box, be equipped with cable fixed part two on the positive terminal box, cable fixed buckle is all installed on cable fixed part one and the cable fixed part two, be equipped with the fixed slot in the cable fixed buckle, photovoltaic element includes conductive terminal one, diode encapsulation module and conductive terminal two, and diode encapsulation module locates between conductive terminal one and the conductive terminal two, and its two pins are connected with conductive terminal one, conductive terminal two respectively, conductive terminal one's tip is equipped with cable riveting portion.
Preferably, the cable riveting part is of a U-shaped structure.
Preferably, the first conductive terminal and the second conductive terminal are both provided with at least one positioning hole.
Preferably, positioning columns corresponding to the positioning holes are arranged in the negative electrode junction box, the middle junction box and the positive electrode junction box.
The utility model has the advantages that:
the junction box is arranged into the split type, so that materials can be saved, and bus bar loss can be reduced;
in addition, the structure of the photovoltaic element in the positive electrode junction box is the same as that of the photovoltaic element in the negative electrode junction box, so that the same set of stamping die is adopted for production during production and manufacturing, the production efficiency is improved, and meanwhile, the management of the photovoltaic element parts is facilitated;
the photovoltaic element adopts an integrated packaging technology of the conductive terminal and the diode, so that secondary switching is avoided, and the conductivity of the diode can be enhanced.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 3 is a schematic view of the internal structure of the negative electrode junction box;
fig. 4 is a schematic structural view of a photovoltaic element.
In the figure: 1. a negative electrode junction box; 11. a first cable fixing part;
2. a middle junction box; 3. a positive terminal box; 31. a second cable fixing part;
4. A photovoltaic element; 41. a first conductive terminal; 42. a diode package module; 43. a second conductive terminal; 44. a cable riveting part; 45. positioning holes;
5. A cable fixing buckle; 50. a fixing groove; 6. and positioning columns.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 3, a three-split photovoltaic junction box comprises a negative junction box 1, a middle junction box 2 and a positive junction box 3, wherein the negative junction box 1 and the positive junction box 3 are symmetrically installed about the center of the middle junction box 2, photovoltaic elements 4 are installed in the box bodies of the negative junction box 1, the middle junction box 2 and the positive junction box 3, a first cable fixing part 11 is arranged on the negative junction box 1, a second cable fixing part 31 is arranged on the positive junction box 3, cable fixing buckles 5 are installed on the first cable fixing part 11 and the second cable fixing part 31, fixing grooves 50 are formed in the cable fixing buckles 5, and the fixing grooves 50 are used for clamping cable ends of posts.
In this embodiment, the photovoltaic element 4 includes a first conductive terminal 41, a diode package module 42 and a second conductive terminal 43, the diode package module 42 is disposed between the first conductive terminal 41 and the second conductive terminal 43, and two pins of the diode package module are respectively connected with the first conductive terminal 41 and the second conductive terminal 43. The photovoltaic element 4 adopts an integrated packaging technology of a conductive terminal and a diode, so that secondary switching is avoided, and the conductivity of the diode can be enhanced.
In this embodiment, the end of the first conductive terminal 41 is provided with a cable rivet 44.
In this embodiment, the cable rivet 44 has a U-shaped structure. The strength and the reliability of the riveting connection are improved.
In this embodiment, at least one positioning hole 45 is disposed on the first conductive terminal 41 and the second conductive terminal 43. And positioning columns 6 corresponding to the positioning holes 45 are arranged in the negative electrode junction box 1, the middle junction box 2 and the positive electrode junction box 3, and the positioning columns 6 are inserted into the positioning holes 45 to position the positioning holes 45. The positioning of the photovoltaic element 4 is facilitated and the installation efficiency is improved.
The working process and the principle thereof are as follows:
The negative electrode terminal box 1, the middle terminal box 2 and the positive electrode terminal box 3 are all installed on the photovoltaic panel, the cable is installed in the cable fixing buckle 5, and the first conductive terminal 41 and the second conductive terminal 43 in the negative electrode terminal box 1, the middle terminal box 2 and the positive electrode terminal box 3 are welded with bus bars corresponding to the photovoltaic panel.
When the photovoltaic element 4 is installed in the negative electrode junction box 1, the cable riveting part 44 is installed towards the first cable fixing part 11, and the cable riveting part 44 of the negative electrode junction box 1 is used for being electrically connected with a negative electrode cable of a load;
When the photovoltaic element 4 is installed in the positive terminal box 3, the cable riveting part 44 is installed in the direction of the cable fixing part II 31, and the cable riveting part 44 of the positive terminal box 3 is used for being electrically connected with the positive cable;
When the photovoltaic element 4 is mounted in the junction box 2, the cable caulking portion 44 is not connected to the cable.
The structure of the negative electrode junction box 1 is the same as that of the photovoltaic element 4 in the middle junction box 2, so that the same set of stamping die is adopted for production during production and manufacturing, the production efficiency is improved, and meanwhile, the photovoltaic element 4 parts are convenient to manage.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (5)
1. The utility model provides a three split type photovoltaic terminal boxes, includes negative pole terminal box (1), well terminal box (2) and anodal terminal box (3), and the central symmetry installation of negative pole terminal box (1) and anodal terminal box (3) about well terminal box (2), its characterized in that: the photovoltaic device comprises a negative electrode junction box (1), a middle junction box (2) and a positive electrode junction box (3), wherein photovoltaic elements (4) are arranged in the box bodies of the negative electrode junction box (1), a first cable fixing part (11) is arranged on the negative electrode junction box (1), a second cable fixing part (31) is arranged on the positive electrode junction box (3), cable fixing buckles (5) are arranged on the first cable fixing part (11) and the second cable fixing part (31), and fixing grooves (50) are formed in the cable fixing buckles (5); the photovoltaic element (4) comprises a first conductive terminal (41), a diode packaging module (42) and a second conductive terminal (43), wherein the diode packaging module (42) is arranged between the first conductive terminal (41) and the second conductive terminal (43), and two pins of the diode packaging module are respectively connected with the first conductive terminal (41) and the second conductive terminal (43).
2. The three-piece photovoltaic junction box of claim 1, wherein: a cable riveting part (44) is arranged at the end part of the first conductive terminal (41).
3. A three-piece photovoltaic junction box according to claim 2, characterized in that: the cable riveting part (44) is of a U-shaped structure.
4. The three-piece photovoltaic junction box of claim 1, wherein: and the first conductive terminal (41) and the second conductive terminal (43) are respectively provided with at least one positioning hole (45).
5. The three-piece photovoltaic junction box of claim 4, wherein: and positioning columns (6) corresponding to the positioning holes (45) are arranged in the negative electrode junction box (1), the middle junction box (2) and the positive electrode junction box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322314386.0U CN220823025U (en) | 2023-08-28 | 2023-08-28 | Three split type photovoltaic terminal boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322314386.0U CN220823025U (en) | 2023-08-28 | 2023-08-28 | Three split type photovoltaic terminal boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220823025U true CN220823025U (en) | 2024-04-19 |
Family
ID=90703605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322314386.0U Active CN220823025U (en) | 2023-08-28 | 2023-08-28 | Three split type photovoltaic terminal boxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220823025U (en) |
-
2023
- 2023-08-28 CN CN202322314386.0U patent/CN220823025U/en active Active
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