Photovoltaic junction box of copper-clad aluminum conductor

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, in particular to a photovoltaic junction box of a copper-clad aluminum wire, which comprises a photovoltaic junction box body, one end of the photovoltaic junction box body is provided with a negative pole photovoltaic junction box body, and the other end of the photovoltaic junction box body is provided with a positive pole photovoltaic junction box body. The other end of the negative photovoltaic junction box body is connected with a copper-clad aluminum wire, the other end of the copper-clad aluminum wire is connected with a negative connector, the other end of the positive photovoltaic junction box body is connected with a copper-clad aluminum wire, and the other end of the copper-clad aluminum wire is connected with a positive connector. By designing the photovoltaic junction box of the copper-clad aluminum wire, the copper-clad aluminum wire is used for replacing a pure copper wire, the performance is not affected, the cost is lower, the weight is lighter, the photovoltaic junction box is suitable for small components of the Chinese and east non-small components, the aluminum resources are rich, the performance of the copper-clad aluminum wire is stable, and the photovoltaic junction box is suitable for a complex environment, so that the use effect of the photovoltaic junction box is improved.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic junction box technology, and in particular to a photovoltaic junction box with copper-clad aluminum conductors. Background Technology

[0002] Most existing photovoltaic junction boxes use copper wires to connect the input and output ends. However, copper wires are expensive and their prices fluctuate greatly. Therefore, it is necessary to design an alternative wire for connection to save costs.

[0003] To address the above issues, a photovoltaic junction box with copper-clad aluminum conductors needs to be designed to overcome these problems. Utility Model Content

[0004] The main objective of this invention is to provide a photovoltaic junction box with copper-clad aluminum conductors, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A photovoltaic junction box with copper-clad aluminum conductors includes a photovoltaic junction box body. One end of the photovoltaic junction box body is provided with a negative photovoltaic junction box body, and the other end of the photovoltaic junction box body is provided with a positive photovoltaic junction box body. The other end of the negative photovoltaic junction box body is connected to a copper-clad aluminum conductor, and the other end of the copper-clad aluminum conductor is connected to a negative connector. The other end of the positive photovoltaic junction box body is connected to a copper-clad aluminum conductor, and the other end of the copper-clad aluminum conductor is connected to a positive connector.

[0007] As a preferred embodiment of this utility model, the copper-clad aluminum conductor includes a copper strip, a wrapping layer, and a highly conductive, creep-resistant aluminum alloy rod, wherein the copper strip is wrapped around the outer wall of the highly conductive, creep-resistant aluminum alloy rod through the wrapping layer.

[0008] As a preferred embodiment of this utility model, the photovoltaic junction box includes an intermediate box disposed at the bottom, a first diode in the center of the interior of the intermediate box, a second copper plate disposed on the left side of the interior of the intermediate box, a first copper plate disposed on the right side of the interior of the intermediate box, a first tin sheet embedded on the upper side of the first copper plate, a second tin sheet embedded on the upper side of the second copper plate, and a first box cover installed on the upper side of the intermediate box.

[0009] As a preferred embodiment of this utility model, the negative electrode photovoltaic junction box includes a negative electrode box disposed at the bottom, a second diode in the middle of the interior of the negative electrode box, a fourth copper plate disposed on the left side of the interior of the negative electrode box, a third copper plate disposed on the right side of the interior of the negative electrode box, a third tin sheet embedded on the upper side of the third copper plate, a fourth tin sheet embedded on the upper side of the fourth copper plate, and a second box cover installed on the upper side of the negative electrode box.

[0010] As a preferred embodiment of this utility model, the positive photovoltaic junction box includes a positive box body disposed at the bottom, a third diode in the middle of the inside of the positive box body, a sixth copper plate disposed on the left side of the inside of the positive box body, a fifth copper plate disposed on the right side of the inside of the positive box body, a fifth tin sheet embedded on the upper side of the fifth copper plate, a sixth tin sheet embedded on the upper side of the sixth copper plate, and a third box cover installed on the upper side of the positive box body.

[0011] As a preferred embodiment of this utility model, the negative connector is fixedly connected to the copper-clad aluminum wire, and the copper-clad aluminum wire is fixedly connected to the negative photovoltaic junction box.

[0012] As a preferred embodiment of this utility model, the positive electrode connector is fixedly connected to the copper-clad aluminum wire, and the copper-clad aluminum wire is fixedly connected to the positive photovoltaic junction box.

[0013] Beneficial effects

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In this invention, a photovoltaic junction box with copper-clad aluminum conductors is designed. By using copper-clad aluminum conductors to replace pure copper conductors, the performance is not affected, the cost is lower, and the weight is lighter. It is suitable for use in small components in the Middle East and Africa. Furthermore, aluminum resources are abundant, and copper-clad aluminum conductors have stable performance and are suitable for complex environments, thereby improving the performance of the photovoltaic junction box. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the negative photovoltaic junction box and the positive photovoltaic junction box of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the photovoltaic junction box of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the copper strip and the high-conductivity, creep-resistant aluminum alloy rod of this utility model.

[0019] In the diagram: 1. Photovoltaic junction box; 2. Negative photovoltaic junction box; 3. Positive photovoltaic junction box; 4. Copper-clad aluminum conductor; 401. Copper strip; 402. Sheathing layer; 403. High conductivity, creep-resistant aluminum alloy rod; 101. Intermediate box; 102. First diode; 103. First copper plate; 104. Second copper plate; 105. First tin sheet; 106. Second tin sheet; 107. First cover; 201. Negative box; 202. Second diode; 203. Third copper plate; 204. Fourth copper plate; 205. Third tin sheet; 206. Fourth tin sheet; 207. Second cover; 301. Positive box; 302. Third diode; 303. Fifth copper plate; 304. Sixth copper plate; 305. Fifth tin sheet; 306. Sixth tin sheet; 307. Third cover; 5. Negative connector; 6. Positive connector. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] like Figure 1-3 As shown, a photovoltaic junction box with copper-clad aluminum conductors includes a photovoltaic junction box body 1, a negative photovoltaic junction box body 2 at one end of the photovoltaic junction box body 1, a positive photovoltaic junction box body 3 at the other end of the photovoltaic junction box body 1, a copper-clad aluminum conductor 4 connected to the other end of the negative photovoltaic junction box body 2, a negative connector 5 connected to the other end of the copper-clad aluminum conductor 4, and a positive connector 6 connected to the other end of the positive photovoltaic junction box body 3.

[0022] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 3As shown, the copper-clad aluminum conductor 4 includes a copper strip 401, a sheathing layer 402, and a high-conductivity, creep-resistant aluminum alloy rod 403. The copper strip 401 is wrapped around the outer wall of the high-conductivity, creep-resistant aluminum alloy rod 403 by the sheathing layer 402. The photovoltaic junction box 1 includes a middle box 101 disposed at the bottom, a first diode 102 in the middle of the middle box 101, a second copper plate 104 disposed on the left side of the middle box 101, and a second... A copper plate 103 has a first tin sheet 105 embedded on its upper side, a second copper plate 104 has a second tin sheet 106 embedded on its upper side, and a first cover 107 is installed on the upper side of the intermediate box 101. The negative electrode photovoltaic junction box 2 includes a negative electrode box 201 located at the bottom, a second diode 202 in the middle of the inside of the negative electrode box 201, a fourth copper plate 204 on the left side of the inside of the negative electrode box 201, and a second tin sheet 206 on the right side of the inside of the negative electrode box 201. The third copper plate 203 has a third tin sheet 205 embedded on its upper side, and the fourth copper plate 204 has a fourth tin sheet 206 embedded on its upper side. A second cover 207 is installed on the upper side of the negative electrode box 201. The positive electrode photovoltaic junction box 3 includes a positive electrode box 301 located at the bottom, a third diode 302 in the middle of the interior of the positive electrode box 301, a sixth copper plate 304 on the left side of the interior of the positive electrode box 301, and a third tin sheet 206 on the right side of the interior of the positive electrode box 301. The fifth copper plate 303 has a fifth tin sheet 305 embedded on its upper side, and the sixth copper plate 304 has a sixth tin sheet 306 embedded on its upper side. The positive electrode box 301 has a third box cover 307 installed on its upper side. The negative electrode connector 5 is fixedly connected to the copper-clad aluminum wire 4. The copper-clad aluminum wire 4 is fixedly connected to the negative electrode photovoltaic junction box 2. The positive electrode connector 6 is fixedly connected to the copper-clad aluminum wire 4. The copper-clad aluminum wire 4 is fixedly connected to the positive electrode photovoltaic junction box 3.

[0023] The intermediate box 101 contains a first diode 102, a first copper plate 103, a second copper plate 104, a second tin sheet 106, and a first tin sheet 105. The internal structure is simple and convenient for the use of photovoltaic junction boxes.

[0024] The working process of this utility model is as follows: When using the photovoltaic junction box with copper-clad aluminum wire designed in this scheme, copper-clad aluminum wire 4 is connected to the output and input ends of the photovoltaic junction box body 1, respectively. The other end of the copper-clad aluminum wire 4 is connected to the negative photovoltaic junction box body 2 and the positive photovoltaic junction box body 3, respectively. The other end of the negative photovoltaic junction box body 2 is connected to the negative connector 5 via the copper-clad aluminum wire 4, and the other end of the positive photovoltaic junction box body 3 is connected to the positive connector 6 via the copper-clad aluminum wire 4. The copper-clad aluminum wire 4 provides adjustable conductivity, low cost, high tensile strength, adjustable elongation at break, and stable physical properties. Furthermore, the density of the copper-clad aluminum alloy cable is lower than that of pure copper wire, which facilitates improving the utilization efficiency of the photovoltaic junction box body 1, the negative photovoltaic junction box body 2, and the positive photovoltaic junction box body 3.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic junction box with copper-clad aluminum conductor, comprising a photovoltaic junction box body (1), characterized in that: One end of the photovoltaic junction box (1) is provided with a negative photovoltaic junction box (2), and the other end of the photovoltaic junction box (1) is provided with a positive photovoltaic junction box (3). The other end of the negative photovoltaic junction box (2) is connected to a copper-clad aluminum wire (4), and the other end of the copper-clad aluminum wire (4) is connected to a negative connector (5). The other end of the positive photovoltaic junction box (3) is connected to a copper-clad aluminum wire (4), and the other end of the copper-clad aluminum wire (4) is connected to a positive connector (6).

2. A photovoltaic junction box with copper-clad aluminum conductors according to claim 1, characterized in that: The copper-clad aluminum conductor (4) includes a copper strip (401), a wrapping layer (402), and a high-conductivity, creep-resistant aluminum alloy rod (403), wherein the copper strip (401) is wrapped around the outer wall of the high-conductivity, creep-resistant aluminum alloy rod (403) through the wrapping layer (402).

3. A photovoltaic junction box with copper-clad aluminum conductors according to claim 1, characterized in that: The photovoltaic junction box (1) includes an intermediate box (101) disposed at the bottom, a first diode (102) in the middle of the interior of the intermediate box (101), a second copper plate (104) disposed on the left side of the interior of the intermediate box (101), a first copper plate (103) disposed on the right side of the interior of the intermediate box (101), a first tin sheet (105) embedded on the upper side of the first copper plate (103), a second tin sheet (106) embedded on the upper side of the second copper plate (104), and a first box cover (107) installed on the upper side of the intermediate box (101).

4. A photovoltaic junction box with copper-clad aluminum conductors according to claim 1, characterized in that: The negative electrode photovoltaic junction box (2) includes a negative electrode box (201) disposed at the bottom, a second diode (202) in the middle of the interior of the negative electrode box (201), a fourth copper plate (204) disposed on the left side of the interior of the negative electrode box (201), a third copper plate (203) disposed on the right side of the interior of the negative electrode box (201), a third tin sheet (205) embedded on the upper side of the third copper plate (203), a fourth tin sheet (206) embedded on the upper side of the fourth copper plate (204), and a second box cover (207) installed on the upper side of the negative electrode box (201).

5. A photovoltaic junction box with copper-clad aluminum conductors according to claim 1, characterized in that: The positive photovoltaic junction box (3) includes a positive box (301) disposed at the bottom, a third diode (302) in the middle of the inside of the positive box (301), a sixth copper plate (304) disposed on the left side of the inside of the positive box (301), a fifth copper plate (303) disposed on the right side of the inside of the positive box (301), a fifth tin sheet (305) embedded on the upper side of the fifth copper plate (303), a sixth tin sheet (306) embedded on the upper side of the sixth copper plate (304), and a third box cover (307) installed on the upper side of the positive box (301).

6. A photovoltaic junction box with copper-clad aluminum conductor according to claim 1, characterized in that: The negative connector (5) is fixedly connected to the copper-clad aluminum wire (4), and the copper-clad aluminum wire (4) is fixedly connected to the negative photovoltaic junction box (2).

7. A photovoltaic junction box with copper-clad aluminum conductors according to claim 1, characterized in that: The positive connector (6) is fixedly connected to the copper-clad aluminum wire (4), and the copper-clad aluminum wire (4) is fixedly connected to the positive photovoltaic junction box (3).

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