Series cable group for photovoltaic solar panel

Abstract

The utility model provides a series cable group for a photovoltaic solar panel, which comprises a plurality of incoming plug assemblies, and each incoming plug assembly comprises an incoming plug and an incoming cable which are electrically connected. The series cable group for the photovoltaic solar panel further comprises a series circuit board, a rubber coating layer and an integrated plug assembly. The series circuit board is electrically connected with the incoming cables of the plurality of incoming plug assemblies. The rubber coating layer comprises a first rubber coating layer and a second rubber coating layer, the first rubber coating layer coats the portion, electrically connected to the series circuit board, of the incoming cable of each incoming plug assembly, and the second rubber coating layer coats the outer layer of the first rubber coating layer. The integrated plug assembly comprises an integrated plug and an integrated cable, one end of the integrated cable is electrically connected to the series circuit board, the other end of the integrated cable is electrically connected to the integrated plug, and the first rubber coating layer further wraps the portion, electrically connected to the series circuit board, of the integrated cable.

Description

Technical Field

[0001] The present disclosure relates to the field of photovoltaic technology, and in particular to a series cable set for photovoltaic solar panels. Background Art

[0002] Solar panels are a new type of energy-saving device that converts solar energy into electrical energy. After solar panels convert solar energy into electrical energy, the electrical energy needs to be transmitted to energy storage devices for storage. To this end, solar panels need to be connected to energy storage devices through wiring cables in advance before the electrical energy can be transmitted to the energy storage devices for storage.

[0003] When the number of energy storage devices and solar panels is not equal, for example, when the number of solar panels (photovoltaic panels) is large, each solar photovoltaic panel needs to be connected to the energy storage device through a wiring cable to realize the power supply of multiple groups of solar panels (photovoltaic panels). For example, Chinese patent document CN218868200U discloses a photovoltaic module branch connector and a module series system using the same. The utility model relates to the technical field of solar cells, and specifically to a photovoltaic module branch connector, including a connecting line and a connector, two symmetrically arranged card plates are installed on the connecting line, holes are provided on the card plates, a card seat is fixedly connected to the connector, two symmetrically arranged card slots are provided on the card seat, the card slots match the card plates, two symmetrically arranged fixed seats are fixedly connected to the connector, a connecting belt is rotatably connected to the fixed seat, a plug plate is sewn on one end of the connecting belt, and a bottom shell is fixedly connected to the bottom of the plug plate.

[0004] However, this power connection method has the problem that the number of wiring cables is large and disorderly, which is not conducive to subsequent maintenance; in addition, due to the large number of wiring cables, it is not easy to store them during transportation, and there is a problem of poor transportation convenience. Utility Model Content

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a photovoltaic solar panel series cable set that has a simpler and more convenient connection method and is easy to store and transport.

[0006] The purpose of this disclosure is achieved through the following technical solutions:

[0007] A photovoltaic solar panel series cable set includes a plurality of incoming plug assemblies, each of which includes an incoming plug and an incoming cable that are electrically connected. The photovoltaic solar panel series cable set also includes:

[0008] A series circuit board is electrically connected to the incoming cables of the plurality of incoming plug assemblies respectively;

[0009] A rubber coating layer, the rubber coating layer includes a first rubber coating layer and a second rubber coating layer, the first rubber coating layer is coated on a portion of each of the incoming cables of the incoming plug assembly where the incoming cables are electrically connected to the series circuit board, and the second rubber coating layer is coated on an outer layer of the first rubber coating layer;

[0010] An integrated plug assembly, the integrated plug assembly comprising an integrated plug and an integrated cable, one end of the integrated cable is electrically connected to the series circuit board, the other end of the integrated cable is electrically connected to the integrated plug, and the first coating layer also covers the portion where the integrated cable is electrically connected to the series circuit board.

[0011] In one embodiment, the integrated plug includes an integrated adapter, a positive plug group and a negative plug group, one end of the integrated adapter is electrically connected to the integrated cable, and the other end of the integrated adapter is electrically connected to the positive plug group and the negative plug group respectively.

[0012] In one embodiment, the first rubber coating layer and the second rubber coating layer are both PVC rubber layers.

[0013] In one embodiment, the incoming cable of each incoming plug assembly is soldered to the series circuit board.

[0014] In one embodiment, one end of the integrated cable is welded to the series circuit board.

[0015] In one embodiment, the first rubber coating layer extends and covers the integrated cable.

[0016] In one embodiment, a first anti-bending portion is formed at the end of the second rubber coating layer adjacent to the integrated cable, and a plurality of first grooves are formed around the outer wall of the first anti-bending portion;

[0017] The second rubber coating layer is adjacent to the ends of the plurality of incoming cables to form a second anti-bending portion, and the outer wall of the second anti-bending portion is surrounded by a plurality of second grooves.

[0018] In one embodiment, the first rubber coating layer extends to cover each incoming cable of the incoming plug assembly.

[0019] In one embodiment, the incoming plug of each incoming plug assembly includes an incoming positive plug, an incoming negative plug and a branch connection part, one end of the branch connection part is electrically connected to the incoming negative plug and the incoming positive plug, and the other end of the branch connection part is electrically connected to the incoming cable.

[0020] Compared with the prior art, the present invention has at least the following advantages:

[0021] 1. The series circuit board is electrically connected to the incoming cables of multiple incoming plug assemblies respectively, and each incoming plug is electrically connected to the corresponding solar panel to realize the series convergence of electric energy between multiple solar panels, and one end of the integrated cable is electrically connected to the series circuit board, and the other end of the integrated cable is electrically connected to the integrated plug, which optimizes the power connection method of the traditional wiring cable, thereby effectively reducing the number of wiring cables used, making the connection method of the integrated cable and the incoming cable of the series cable group for photovoltaic solar panels more simple and convenient, and also convenient for storage and transportation.

[0022] 2. Since the first rubber coating layer covers the part where the incoming cable of each incoming plug assembly is electrically connected to the series circuit board, and the first rubber coating layer also covers the part where the integrated cable is electrically connected to the series circuit board, and the second rubber coating layer covers the outer layer of the first rubber coating layer, the connection stability and bending flexibility of the part where the incoming cable is electrically connected to the series circuit board and the part where the integrated cable is electrically connected to the series circuit board can be effectively improved. At the same time, the first rubber coating layer and the second rubber coating layer can provide better insulation performance, corrosion resistance and waterproof effect for the series cable group for photovoltaic solar panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a schematic diagram of the structure of a series cable group for photovoltaic solar panels in one embodiment;

[0025] Figure 2 for Figure 1 A front cross-sectional view of a series circuit board of a series cable assembly for a photovoltaic solar panel shown;

[0026] Figure 3 for Figure 1 A cross-sectional view of the back side of the series connection circuit board of the series connection cable group for the photovoltaic solar panel shown;

[0027] Figure 4 for Figure 1 A cross-sectional view of the rubber coating of a series cable assembly for a photovoltaic solar panel is shown. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0031] The present disclosure provides a series cable group for photovoltaic solar panels, including multiple incoming plug assemblies, each incoming plug assembly includes an incoming plug and an incoming cable that are electrically connected. The series cable group for photovoltaic solar panels also includes a series circuit board, a rubber coating layer and an integrated plug assembly. The series circuit board is electrically connected to the incoming cables of multiple incoming plug assemblies, respectively. The rubber coating layer includes a first rubber coating layer and a second rubber coating layer, the first rubber coating layer is coated on the part where the incoming cable of each of the incoming plug assemblies is electrically connected to the series circuit board, and the second rubber coating layer is coated on the outer layer of the first rubber coating layer. The integrated plug assembly includes an integrated plug and an integrated cable, one end of the integrated cable is electrically connected to the series circuit board, the other end of the integrated cable is electrically connected to the integrated plug, and the first rubber coating layer is also coated on the part where the integrated cable is electrically connected to the series circuit board.

[0032] See also Figures 1 to 4 In order to better understand the photovoltaic solar panel series cable set 10 disclosed in the present invention, the photovoltaic solar panel series cable set 10 is further explained as follows:

[0033] A photovoltaic solar panel series cable assembly 10 according to one embodiment includes a plurality of incoming plug assemblies 100, each of which includes an incoming plug 110 and an incoming cable 120 that are electrically connected. The photovoltaic solar panel series cable assembly 10 also includes a series circuit board 200, a rubber coating layer 300, and an integrated plug assembly 400. The series circuit board 200 is electrically connected to the incoming cables 120 of the plurality of incoming plug assemblies 100, respectively. The rubber coating layer 300 includes a first rubber coating layer 310 and a second rubber coating layer 320, wherein the first rubber coating layer 310 is coated on a portion of each of the incoming plug assemblies 100 where the incoming cable 120 is electrically connected to the series circuit board 200, and the second rubber coating layer 320 is coated on the outer layer of the first rubber coating layer 310. The integrated plug assembly 400 includes an integrated plug 410 and an integrated cable 420, one end of the integrated cable 420 is electrically connected to the series circuit board 200, and the other end of the integrated cable 420 is electrically connected to the integrated plug 410, and the first coating layer 310 also covers the portion where the integrated cable 420 is electrically connected to the series circuit board 200.

[0034] In this embodiment, the series circuit board 200 is electrically connected to the incoming cables 120 of multiple incoming plug assemblies 100, and is electrically connected to the corresponding solar panel through each incoming plug 110, so as to realize the series convergence of electric energy between multiple solar panels, and is electrically connected to the series circuit board 200 through one end of the integrated cable 420, and the other end of the integrated cable 420 is electrically connected to the integrated plug 410. This optimizes the power connection method of the traditional wiring cable, thereby effectively reducing the number of wiring cables used, making the connection method of the integrated cable 420 and the incoming cable 120 of the series cable group 10 for photovoltaic solar panels more simple and convenient, and also convenient for storage and transportation.

[0035] Furthermore, since the first rubber coating layer 310 covers the portion where the incoming cable 120 of each incoming plug assembly 100 is electrically connected to the serial circuit board 200, and the first rubber coating layer 310 also covers the portion where the integrated cable 420 is electrically connected to the serial circuit board 200, and the second rubber coating layer 320 covers the outer layer of the first rubber coating layer 310, the connection stability and bending flexibility of the portion where the incoming cable 120 is electrically connected to the serial circuit board 200 and the portion where the integrated cable 420 is electrically connected to the serial circuit board 200 are effectively improved. At the same time, the first rubber coating layer 310 and the second rubber coating layer 320 can provide better insulation performance, corrosion resistance and waterproof effect for the serial cable group 10 for photovoltaic solar panels.

[0036] like Figure 1As shown, in one embodiment, the integrated plug 410 includes an integrated adapter 4110, a positive plug group 4120 and a negative plug group 4130, one end of the integrated adapter 4110 is electrically connected to the integrated cable 420, and the other end of the integrated adapter 4110 is electrically connected to the positive plug group 4120 and the negative plug group 4130. It can be understood that one end of the integrated adapter 4110 is electrically connected to the integrated cable 420, and the other end of the integrated adapter 4110 is electrically connected to the positive plug group 4120 and the negative plug group 4130, respectively. Through the integrated adapter 4110, the integrated cable 420 can be branched and electrically connected to the corresponding positive plug group 4120 or negative plug group 4130 for operation.

[0037] like Figures 1 to 4 As shown, in one embodiment, the first rubber coating layer 310 and the second rubber coating layer 320 are both PVC rubber layers. It can be understood that the PVC rubber layer is made of PVC plastic material, that is, it can provide better insulation and corrosion resistance for the part where the incoming cable 120 of each incoming plug assembly 100 is electrically connected to the series circuit board 200. At the same time, the PVC plastic material also has good flame retardant and waterproof effects, thereby effectively improving the safety performance of the incoming cable 120 of each incoming plug assembly 100 being electrically connected to the series circuit board 200.

[0038] like Figure 1 and Figure 3 As shown, in one embodiment, the incoming cable 120 of each incoming plug assembly 100 is welded to the series circuit board 200. It can be understood that the incoming cable 120 of each incoming plug assembly 100 is connected to the series circuit board 200 by welding, which can provide a reliable connection and a high connection strength between the incoming cable 120 of each incoming plug assembly 100 and the series circuit board 200, and effectively ensure the continuity of current transmission.

[0039] like Figure 1 and Figure 3 As shown, in one embodiment, one end of the integrated cable 420 is welded to the series circuit board 200. It can be understood that one end of the integrated cable 420 is electrically connected to the series circuit board 200 by welding.

[0040] like Figure 1 and Figure 4 As shown, in one embodiment, the first rubber coating layer 310 extends and covers the integrated cable 420. It can be understood that the excellent insulation performance of the first rubber coating layer 310 effectively ensures the safety of the integrated cable 420 in transmitting electrical energy.

[0041] like Figure 1 and Figure 4 As shown, in one embodiment, the second rubber coating layer 320 is adjacent to the end of the integrated cable 420 to form a first anti-bending portion 3210, and the outer wall of the first anti-bending portion 3210 is surrounded by a plurality of first grooves 3212, and the second rubber coating layer 320 is adjacent to the ends of the plurality of incoming cables 120 to form a second anti-bending portion 3220, and the outer wall of the second anti-bending portion 3220 is surrounded by a plurality of second grooves 3222.

[0042] It is understandable that, since the ends of the first rubber coating layer 310 adjacent to the integrated cable 420 and the ends of the first rubber coating layer 310 adjacent to the multiple incoming cables 120 are often bent during use or transportation, the ends of the first rubber coating layer 310 adjacent to the integrated cable 420 and the ends of the first rubber coating layer 310 adjacent to the multiple incoming cables 120 are excessively concentrated with bending stress, which in turn causes fatigue cracks in the first rubber coating layer 310 and the second rubber coating layer 320, ultimately causing the integrated cable 420 and the incoming cables 120 to be exposed to the external space, triggering safety hazards. The arrangement of multiple first grooves 3212 and multiple second grooves 3222 can effectively reduce the concentration of bending stress, so that the ends of the first rubber coating layer 310 adjacent to the integrated cable 420 and the ends of the first rubber coating layer 310 adjacent to the multiple incoming cables 120 are not prone to bending and breaking.

[0043] like Figure 4 As shown, in one embodiment, the first rubber coating layer 310 extends and covers each incoming cable 120 of the incoming plug assembly 100. It can be understood that the excellent insulation performance of the first rubber coating layer 310 effectively ensures the safety of each incoming cable 120 in transmitting electrical energy.

[0044] like Figures 1 to 3 As shown, in one embodiment, the incoming plug 110 of each incoming plug assembly 100 includes an incoming positive plug 1110, an incoming negative plug 1120 and a branch connection portion 1130, one end of the branch connection portion 1130 is electrically connected to the incoming negative plug 1120 and the incoming positive plug 1110, and the other end of the branch connection portion 1130 is electrically connected to the incoming cable 120. It can be understood that by providing a plurality of incoming plug assemblies 100 and electrically connecting them to the series circuit board 200, the branches of the plurality of incoming cables 120 can be electrically connected to the other end of the corresponding branch connection portion 1130, and then the one end of the branch connection portion 1130 is electrically connected to the incoming negative plug 1120 and the incoming positive plug 1110, so that the incoming negative plug 1120 and the incoming positive plug 1110 are electrically connected to the corresponding solar cell panels, thereby realizing the series convergence of electric energy between the plurality of solar cell panels.

[0045] Compared with the prior art, the present invention has at least the following advantages:

[0046] 1. The series circuit board is electrically connected to the incoming cables of multiple incoming plug assemblies respectively, and each incoming plug is electrically connected to the corresponding solar panel to realize the series convergence of electric energy between multiple solar panels, and one end of the integrated cable is electrically connected to the series circuit board, and the other end of the integrated cable is electrically connected to the integrated plug, which optimizes the power connection method of the traditional wiring cable, thereby effectively reducing the number of wiring cables used, making the connection method of the integrated cable and the incoming cable of the series cable group for photovoltaic solar panels more simple and convenient, and also convenient for storage and transportation.

[0047] 2. Since the first rubber coating layer covers the part where the incoming cable of each incoming plug assembly is electrically connected to the series circuit board, and the first rubber coating layer also covers the part where the integrated cable is electrically connected to the series circuit board, and the second rubber coating layer covers the outer layer of the first rubber coating layer, the connection stability and bending flexibility of the part where the incoming cable is electrically connected to the series circuit board and the part where the integrated cable is electrically connected to the series circuit board are effectively improved. At the same time, the first rubber coating layer and the second rubber coating layer can provide better insulation performance, corrosion resistance and waterproof effect for the series cable group for photovoltaic solar panels.

[0048] The above-mentioned embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the disclosed patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the disclosed patent shall be subject to the attached claims.

Claims

1. A series cable assembly for photovoltaic solar panels, comprising a plurality of incoming plug assemblies, each of which comprises an incoming plug and an incoming cable that are electrically connected, characterized in that: The photovoltaic solar panel series cable set also includes: A series circuit board is electrically connected to the incoming cables of the plurality of incoming plug assemblies respectively; A rubber coating layer, the rubber coating layer includes a first rubber coating layer and a second rubber coating layer, the first rubber coating layer is coated on a portion of each of the incoming cables of the incoming plug assembly where the incoming cables are electrically connected to the series circuit board, and the second rubber coating layer is coated on an outer layer of the first rubber coating layer; An integrated plug assembly, the integrated plug assembly comprising an integrated plug and an integrated cable, one end of the integrated cable is electrically connected to the series circuit board, the other end of the integrated cable is electrically connected to the integrated plug, and the first coating layer also covers the portion where the integrated cable is electrically connected to the series circuit board.

2. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: The integrated plug includes an integrated adapter, a positive plug group and a negative plug group. One end of the integrated adapter is electrically connected to the integrated cable, and the other end of the integrated adapter is electrically connected to the positive plug group and the negative plug group respectively.

3. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: The first rubber coating layer and the second rubber coating layer are both PVC rubber layers.

4. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: The incoming cable of each incoming plug assembly is welded to the series circuit board.

5. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: One end of the integrated cable is welded to the series circuit board.

6. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: The first rubber coating layer extends and covers the integrated cable.

7. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: The second rubber coating layer is formed with a first anti-bending portion at an end portion adjacent to the integrated cable, and a plurality of first grooves are formed around an outer wall of the first anti-bending portion; The second rubber coating layer is adjacent to the ends of the plurality of incoming cables to form a second anti-bending portion, and the outer wall of the second anti-bending portion is surrounded by a plurality of second grooves.

8. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: The first rubber coating layer extends to cover the incoming cables of each incoming plug assembly.

9. The photovoltaic solar panel series cable assembly according to claim 1, characterized in that: The incoming plug of each incoming plug assembly includes an incoming positive plug, an incoming negative plug and a branch connection part, one end of the branch connection part is electrically connected to the incoming negative plug and the incoming positive plug, and the other end of the branch connection part is electrically connected to the incoming cable.

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