CN216819796U

CN216819796U - Axial diode and photovoltaic junction box and photovoltaic module comprising same

Info

Publication number: CN216819796U
Application number: CN202220333151.9U
Authority: CN
Inventors: 张�浩; 王建华
Original assignee: Jiangsu Zerun New Material Co ltd
Current assignee: Jiangsu Zerun Xinneng Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-06-24
Anticipated expiration: 2032-02-18

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, in particular to an axial diode, a photovoltaic junction box comprising the axial diode and a photovoltaic module, wherein the axial diode comprises: the diode comprises a diode body, a diode body and a diode control unit, wherein the diode body is provided with a cylindrical tube body; the first ends of the first pins and the second pins are arranged at the two ends of the pipe body respectively along the axial direction of the pipe body, the first pins and the second pins are arranged along the two sides of the axial direction of the pipe body respectively in a bending mode, and the tail ends of the first pins and the second pins are both in a sheet shape. According to the axial diode, the tail ends of the pins are designed to be sheet-shaped, the pins of the diode can be directly used as welding surfaces to be directly welded with the cable and the bus bar, the quick connection of the axial diode with the bus bar and the cable is realized, the manufacturing process is simplified, and the axial diode and the pins are designed to be S-shaped in combination, so that the mounting space is reduced, and the axial diode is convenient to mount and use.

Description

Axial diode and contain its photovoltaic terminal box and photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaic junction boxes, in particular to an axial diode, a photovoltaic junction box comprising the axial diode and a photovoltaic assembly comprising the axial diode.

Background

The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and the solar charging control device, and is mainly used for connecting and protecting the solar cell modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.

With the large-scale use of photovoltaic junction boxes, market competition has led to higher demands on the production efficiency and cost of junction boxes. Currently, the axial diodes in the photovoltaic junction box are mostly used as connectors to connect the diodes, the bus bars and the cables through conductive sheets, for example: chinese patent publication No. CN215581057U discloses a photovoltaic junction box mounting structure, in which a diode is connected to a bus bar through a conductive sheet, and is connected through a conductive sheet, so that the product cost is high, and the production process is complicated.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to solve the technical problems that a photovoltaic junction box in the prior art needs to use a conducting strip as an intermediate connecting piece, the manufacturing cost of a product is high, and the production process is complex, the utility model provides the axial diode, the tail end of a pin of the axial diode is flaky, the pin of the diode is directly used as a welding surface to be directly welded with a cable and a bus bar, so that the quick connection of the axial diode, the bus bar and the cable is realized, the manufacturing process is simplified, and the axial diode and the pin are designed to be S-shaped in combination, so that the installation space is reduced, and the installation and the use are convenient.

The technical scheme adopted by the utility model for solving the technical problem is as follows: an axial diode disposed within a junction box of a photovoltaic module, comprising:

a diode body having a cylindrical body;

the first ends of the first pins and the second pins are arranged at two ends of the tube body along the axial direction of the tube body respectively, the first pins and the second pins are arranged along two sides of the axial direction of the tube body in a bending mode respectively, and the tail ends of the first pins and the second pins are both in a sheet shape.

Further, to facilitate mounting, the first pin includes: first vertical section, second horizontal section and third vertical section, first vertical section is the head end of first pin, the third vertical section does the end of first pin, first vertical section with the third vertical section all is located same one side of second horizontal section, first vertical section with the one end of third vertical section is connected respectively at the both ends of second horizontal section, the other end of first vertical section with the one end fixed connection of diode body.

Further, the first vertical section and the third vertical section are both perpendicular to the second horizontal section.

Further, the first vertical section and the third vertical section are connected through a first bending section and a second transverse section respectively.

Further, to facilitate mounting, the second pin includes: the fourth vertical section, the fifth horizontal section and the sixth vertical section, the fourth vertical section is the head end of the second pin, the sixth vertical section is the tail end of the second pin, the fourth vertical section and the sixth vertical section are both located on the same side of the fifth horizontal section, the two ends of the fifth horizontal section are respectively connected with the fourth vertical section and one end of the sixth vertical section, and the other end of the fourth vertical section is fixedly connected with the other end of the diode body.

Further, the fourth vertical section and the sixth vertical section are both perpendicular to the fifth horizontal section.

Further, the fourth vertical section and the sixth vertical section are connected through a second bending section and the fifth transverse section respectively.

The utility model also provides a photovoltaic junction box, wherein the axial diode is arranged in the photovoltaic junction box, an opening is formed in the center of the bottom surface of the photovoltaic junction box, buckles are respectively arranged on the upper side and the lower side of the opening on the bottom surface of the junction box, the body of the axial diode is positioned at the opening, the first vertical section and the fourth vertical section of the axial diode are respectively clamped in the buckles, and the third vertical section and the sixth vertical section of the axial diode are respectively positioned on the left side and the right side of the opening.

The utility model further provides a photovoltaic assembly which comprises the photovoltaic junction box, the photovoltaic junction box is arranged on the photovoltaic assembly, a first bus bar and a second bus bar are distributed on the photovoltaic assembly, the first bus bar is fixedly connected with the third vertical section of the first pin of the axial diode, and the second bus bar is fixedly connected with the sixth vertical section of the second pin of the axial diode.

The axial diode has the beneficial effects that the axial diode and the pins are designed into an S shape in a combined manner, the mounting space is reduced, the mounting and the use are convenient, the tail ends of the first pin and the second pin of the axial diode are designed into the sheet shape, the sheet-shaped pins can be directly used as a welding surface to be directly welded with a cable and a bus bar, a conducting plate is not required to be additionally arranged in the photovoltaic junction box, the rapid connection between the diode and the bus bar can be realized, meanwhile, the diode and the bus bar are directly welded, the heat dissipation of the diode can be accelerated, the electric efficiency of the diode is improved, and the use requirement of high current can be met. The photovoltaic junction box comprises the axial diode, so that the mounting process is simplified, the production cost is reduced, the mounting is compact, meanwhile, the heat dissipation effect of the diode can be improved, and the service life of the photovoltaic junction box is prolonged.

Drawings

The utility model is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is a schematic diagram of the construction of an axial diode of the present invention;

FIG. 2 is a schematic box representation of the photovoltaic junction box of the present invention;

fig. 3 is a schematic view of the installation of the photovoltaic junction box of the present invention.

Reference numerals are as follows:

10. a diode body; 20. a first pin; 21. a first vertical section; 22. a second transverse segment; 23. a third vertical section; 24. a first curved section; 30. a second pin; 31. a fourth vertical section; 32. a fifth transverse segment; 33. a sixth vertical section; 34. a second curved section; 100. a photovoltaic junction box; 110. an opening; 120. buckling; 220. a first bus bar; 230. a second bus bar.

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, the preferred embodiment of the present invention comprises: an axial diode disposed within a junction box of a photovoltaic module, comprising:

a diode body 10, the diode body 10 having a cylindrical body;

the first pin 20 and the second pin 30, the head ends of the first pin 20 and the second pin 30 are respectively arranged at two ends of the tube body along the axial direction of the tube body, the first pin 20 and the second pin 30 are respectively arranged along two sides of the axial direction of the tube body in a bending manner, and the tail ends of the first pin 20 and the second pin 30 are both in a sheet shape.

The first pin 20 includes: first vertical section 21, second horizontal segment 22 and third vertical section 23, first vertical section 21 is the head end of first pin 20, third vertical section 23 is the end of first pin 20, first vertical section 21 and third vertical section 23 all lie in the same one side of second horizontal segment 22, the one end of first vertical section 21 and third vertical section 23 is connected respectively at the both ends of second horizontal section 22, the other end of first vertical section 21 and the one end fixed connection of diode body 10, first vertical section 21 and third vertical section 23 all are perpendicular to second horizontal section 22, first vertical section 21 and third vertical section 23 are all connected through first crooked section 24 and second horizontal section 22 respectively.

The second pin 30 includes: fourth vertical section 31, fifth horizontal section 32 and sixth vertical section 33, fourth vertical section 31 is the head end of second pin 30, sixth vertical section 33 is the end of second pin 30, fourth vertical section 31 and sixth vertical section 33 all lie in the same one side of fifth horizontal section 32, the one end of fourth vertical section 31 and sixth vertical section 33 is connected respectively to the both ends of fifth horizontal section 32, the other end of fourth vertical section 31 and the other end fixed connection of diode body 10, fourth vertical section 31 and sixth vertical section 33 all are perpendicular to fifth horizontal section 32, fourth vertical section 31 and sixth vertical section 33 all connect through second crooked section 34 and fifth horizontal section 32 respectively.

As shown in fig. 2 and fig. 3, the utility model further provides a photovoltaic junction box, wherein the axial diode is arranged in the photovoltaic junction box, an opening 110 is arranged in the center of the bottom surface of the photovoltaic junction box 100, buckles 120 are respectively arranged on the bottom surface of the junction box and positioned on the upper side and the lower side of the opening 110, a body 10 of the axial diode is positioned at the opening 110, a first vertical section 21 and a fourth vertical section 31 of the axial diode are respectively clamped in the buckles 120, and a third vertical section 23 and a sixth vertical section 33 of the axial diode are respectively positioned on the left side and the right side of the opening 110.

The utility model further provides a photovoltaic assembly, which comprises the photovoltaic junction box, the photovoltaic junction box 100 is arranged on the photovoltaic assembly, the photovoltaic assembly is provided with a first bus bar 220 and a second bus bar 230, the first bus bar 220 is fixedly connected with the third vertical section 23 of the first pin 20 of the axial diode, and the second bus bar 230 is fixedly connected with the sixth vertical section 33 of the second pin 30 of the axial diode. When the photovoltaic junction box is installed, the first and second sheet-

shaped bus bars

220 and 230 extend out of the photovoltaic module, pass through the opening 110 at the bottom of the photovoltaic junction box 100, and are bent, so that the first bus bar 220 is fixedly connected to the third vertical section 23 of the first pin 20 with two axial poles, and the second bus bar 23 is fixedly connected to the sixth vertical section 33 of the second pin 30 with two axial poles.

According to the axial diode, the combination design of the axial diode and the pins is S-shaped, the installation space is reduced, the installation and the use are convenient, the tail ends of the first pin 20 and the second pin 30 of the axial diode are designed to be sheet-shaped, the sheet-shaped pins can be directly used as welding surfaces and directly welded with cables and bus bars, no conducting plate is required to be additionally arranged in the photovoltaic junction box 100, the rapid connection between the diode and the bus bars can be realized, meanwhile, the diode and the bus bars are directly welded, the heat dissipation of the diode can be accelerated, the electrical efficiency of the diode is improved, and the use requirement of large current can be met. The photovoltaic junction box 100 comprises the axial diode, so that the mounting process is simplified, the production cost is reduced, the mounting is compact, meanwhile, the heat dissipation effect of the diode can be improved, and the service life of the photovoltaic junction box 100 is prolonged.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. 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

1. An axial diode is arranged in a junction box of a photovoltaic module, and is characterized by comprising:

a diode body (10), the diode body (10) having a cylindrical body;

the novel tube body comprises a first pin (20) and a second pin (30), the head ends of the first pin (20) and the second pin (30) are arranged at two ends of the tube body along the axial direction of the tube body respectively, the first pin (20) and the second pin (30) are arranged in a bending mode along two sides of the axial direction of the tube body respectively, and the tail ends of the first pin (20) and the second pin (30) are both in a sheet shape.

2. The axial diode of claim 1, wherein said first leg (20) comprises: first vertical section (21), second horizontal segment (22) and third vertical section (23), first vertical section (21) is the head end of first pin (20), third vertical section (23) do the end of first pin (20), first vertical section (21) with third vertical section (23) all are located the same one side of second horizontal segment (22), first vertical section (21) and the one end of third vertical section (23) are connected respectively to the both ends of second horizontal segment (22), the other end of first vertical section (21) with the one end fixed connection of diode body (10).

3. Axial diode according to claim 2, characterised in that said first vertical section (21) and said third vertical section (23) are perpendicular to said second transverse section (22).

4. Axial diode according to claim 3, characterised in that said first vertical section (21) and said third vertical section (23) are each connected by a first curved section (24) and by said second transverse section (22), respectively.

5. The axial diode of claim 2, wherein said second leg (30) comprises: fourth vertical section (31), fifth horizontal section (32) and sixth vertical section (33), fourth vertical section (31) do the head end of second pin (30), sixth vertical section (33) do the end of second pin (30), fourth vertical section (31) and sixth vertical section (33) all are located the same one side of fifth horizontal section (32), the both ends of fifth horizontal section (32) are connected respectively fourth vertical section (31) with the one end of sixth vertical section (33), the other end of fourth vertical section (31) with the other end fixed connection of diode body (10).

6. Axial diode according to claim 5, characterised in that said fourth vertical section (31) and sixth vertical section (33) are perpendicular to said fifth transverse section (32).

7. Axial diode according to claim 6, characterised in that said fourth vertical section (31) and said sixth vertical section (33) are each connected by a second curved section (34) and said fifth transverse section (32), respectively.

8. A photovoltaic junction box is internally provided with the axial diode according to any one of claims 1 to 7, wherein an opening (110) is arranged in the center of the bottom surface of the photovoltaic junction box (100), buckles (120) are respectively arranged on the bottom surface of the junction box and positioned on the upper side and the lower side of the opening (110), a body (10) of the axial diode is positioned at the opening (110), a first vertical section (21) and a fourth vertical section (31) of the axial diode are respectively clamped in the buckles (120), and a third vertical section (23) and a sixth vertical section (33) of the axial diode are respectively positioned on the left side and the right side of the opening (110).

9. A photovoltaic module comprising the photovoltaic junction box according to claim 8, wherein the photovoltaic junction box (100) is disposed on the photovoltaic module, a first bus bar (220) and a second bus bar (230) are disposed on the photovoltaic module, and the first bus bar (220) is fixedly connected to the third vertical section (23) of the first pin (20) of the axial diode, and the second bus bar (230) is fixedly connected to the sixth vertical section (33) of the second pin (30) of the axial diode.