CN216056929U

CN216056929U - Integrated wiring device

Info

Publication number: CN216056929U
Application number: CN202122557935.8U
Authority: CN
Inventors: 张�浩; 景美霞
Original assignee: Jiangsu Zerun New Material Co ltd
Current assignee: Jiangsu Zerun Xinneng Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-15
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses an integrated wiring device, which comprises: the box body is provided with a first wire outlet hole and a second wire outlet hole at two ends respectively; the conductive sheet group is arranged in the box body and provided with a plurality of bus bar through holes; the diodes are connected with the conducting strip group; one end of the first cable penetrates through the first wire outlet hole to be connected with the conducting strip group; and one end of the second cable penetrates through the second wire outlet hole to be connected with the conducting strip group. The utility model can simultaneously connect a plurality of bus bars of the solar cell module through one junction box, thereby simplifying the installation steps, improving the output power and reducing the loss.

Description

Integrated wiring device

Technical Field

The utility model relates to the technical field of junction boxes, in particular to an integrated wiring device.

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.

At present, conducting strips and diodes are required to be installed in each junction box in the traditional split type junction box, the assembling process is multiple, the resources such as equipment and manpower which need to be input are large, and meanwhile, the problem of loss among the connection of multiple junction boxes exists. The traditional split type junction box has the disadvantages of low output power, high loss and inconvenient assembly.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the split type junction box comprises a box body, a box cover and a box cover. The utility model provides an integrated wiring device, which can be simultaneously connected with bus bars on a solar cell module through a wiring box, and can improve output power, reduce unnecessary loss and reduce cost.

The technical scheme adopted by the utility model for solving the technical problems is as follows: an integrated wiring device comprising: the box body is provided with a first wire outlet hole and a second wire outlet hole at two ends respectively; the conductive sheet group is arranged in the box body, a plurality of bus bar through holes are formed in the conductive sheet group, and the conductive sheet group comprises a plurality of conductive sheets; a plurality of diodes connected to the set of conductive strips; one end of the first cable penetrates through the first wire outlet hole to be connected with the conducting strip group; one end of the second cable penetrates through the second wire outlet hole to be connected with the conducting strip group. The utility model can simultaneously connect a plurality of bus bars of the solar cell module through one junction box, thereby simplifying the installation steps, improving the output power and reducing the loss.

Further, the number of the conducting strips is m, and the number of the diodes is m-1.

Furthermore, the number of the conducting strips is four, the number of the diodes is three, and from the left to right direction of the box body, the first conducting strip is connected with the second conducting strip through the first diode, the second conducting strip is connected with the third conducting strip through the second diode, and the third conducting strip is connected with the fourth conducting strip through the third diode.

Furthermore, in order to connect the cables conveniently, a first connecting portion is arranged at the left end of the first conducting strip, a second connecting portion is arranged at the right end of the fourth conducting strip, the first cable is connected with the first connecting portion, and the second cable is connected with the second connecting portion.

Further, in order to conveniently install the bus bar, the bottom of the box body is provided with a bus bar guide hole, and the position of the bus bar guide hole corresponds to the position of the bus bar through hole.

Furthermore, in order to fix the conducting strips, a plurality of positioning columns are arranged at the bottom of the box body and used for fixing the conducting strips.

Further, the polarities of the first outlet hole and the second outlet hole are opposite.

Further, in order to facilitate heat dissipation, a gap is reserved between every two adjacent conducting strips.

The utility model has the following beneficial effects:

according to the integrated wiring device, the structure of the wiring device is improved, so that a plurality of conducting strips and diodes can be placed in one wiring box at the same time, and the conducting strips are connected in series through the diodes; bus bar through holes can be formed in the conductive sheets, and bus bars of the solar cell module can penetrate through the bus bar through holes to be connected with the conductive sheets, so that a plurality of bus bars of the solar cell module can be connected in series in one junction box, and the performance and the assembly efficiency can be improved; the first cable and the second cable can be directly connected with the external connector, and the structure of the wiring device is further simplified.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the integrated wiring device of the present invention.

Fig. 2 is a schematic structural diagram of a conductive sheet assembly according to the present invention.

Fig. 3 is a schematic view of the back of the cassette body of the present invention.

In the figure: 1. the box body, 2, the conducting strip group, 3, the diode, 4, the first cable, 5, the second cable, 6, the bus bar perforation, 7, the clearance, 11, the first wire outlet hole, 12, the second wire outlet hole, 13, the bus bar guiding hole, 14, the positioning column, 21, the conducting strip, 211, the first connecting part, 212 and the second connecting part.

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 3, an integrated wiring device includes: the box body 1, the both ends of box body 1 are seted up first wire hole 11 and second wire hole 12 respectively. Conducting strip group 2, conducting strip group 2 install in box body 1, have seted up a plurality of busbar perforation 6 on conducting strip group 2. A plurality of diodes 3, a plurality of diodes 3 are connected with conducting strip group 2. One end of the first cable 4 passes through the first wire outlet hole 11 and is connected with the conducting strip group 2; and one end of the second cable 5 passes through the second wire outlet hole 12 and is connected with the conducting strip group 2. The conductive sheet set 2 includes a plurality of conductive sheets 21, for example, each conductive sheet 21 may be provided with a bus bar through hole 6, or one conductive sheet 21 may be provided with a plurality of bus bar through holes 6, which is not limited herein and may be set according to actual situations. In the embodiment, a plurality of conducting strips 21 are installed in the box body 1, each conducting strip 21 can be provided with a bus bar through hole 6, and each conducting strip 21 can be connected with a bus bar of the solar cell module. The polarities of the first wire hole 11 and the second wire hole 12 are opposite, for example, the first wire hole 11 is a negative connection terminal, and the second wire hole 12 is a positive connection terminal. The other ends of the first cable 4 and the second cable 5 are exposed outside the box body 1, so that the external connector can be conveniently connected.

In the present embodiment, the number of the conductive sheets 21 is m, and the number of the diodes 3 is m-1. Since the plurality of conductive plates 21 are connected in series by the diodes 3, the number of the diodes 3 is one less than the number of the conductive plates 21. In the present embodiment, the plurality of conductive sheets 21 are connected in series by the diode 3, and the process is simple and the cost is low.

In an embodiment, for example, the number of the conductive sheets 21 is four, the number of the diodes 3 is three, and in a direction from left to right of the box body 1, the first conductive sheet 21 is connected to the second conductive sheet 21 through the first diode 3, the second conductive sheet 21 is connected to the third conductive sheet 21 through the second diode 3, and the third conductive sheet 21 is connected to the fourth conductive sheet 21 through the third diode 3. For example, the diode 3 may be a module diode or an axial diode, and when the diode 3 is a module diode, the body of the diode 3 is fixed on one conducting plate 21, and the pin of the diode 3 is fixed on the other conducting plate 21, so as to connect the two conducting plates in series.

In this embodiment, the left end of the first conductive sheet 21 is provided with a first connection portion 211, the right end of the fourth conductive sheet 21 is provided with a second connection portion 212, the first cable 4 is connected to the first connection portion 211, and the second cable 5 is connected to the second connection portion 212. The first connection portion 211 and the second connection portion 212 may be bent in a V shape, for example, so as to be better connected with the cable.

In the present embodiment, the bottom of the box body 1 is provided with a bus bar guide hole 13, and the position of the bus bar guide hole 13 corresponds to the position of the bus bar penetration hole 6. The inside one side of box body 1 is kept away from to busbar guiding hole 13 is equipped with to the bellied inclined plane of the inside direction of box body 1, and on the one hand easy to assemble busbar like this, on the other hand can make the surface of busbar guiding hole 13 and the perforation 6 laminating of busbar, have certain supporting role.

In this embodiment, the bottom of the box 1 is provided with a plurality of positioning posts 14, and the positioning posts 14 are used for fixing a plurality of conductive sheets 21. And a gap 7 is reserved between every two adjacent conducting strips 21, so that heat dissipation is facilitated.

In summary, the integrated wiring device of the present invention, through the improvement of the structure of the wiring device, can place a plurality of conducting strips and diodes in one wiring box at the same time, and connect the conducting strips in series through the diodes; bus bar through holes can be formed in the conductive sheets, and bus bars of the solar cell module can penetrate through the bus bar through holes to be connected with the conductive sheets, so that a plurality of bus bars of the solar cell module can be connected in series in one junction box, and the performance and the assembly efficiency can be improved; the first cable and the second cable can be directly connected with the external connector, and the structure of the wiring device is further simplified.

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 integrated wiring device, comprising:

the box comprises a box body (1), wherein a first wire outlet hole (11) and a second wire outlet hole (12) are respectively formed in two ends of the box body (1);

the conductive sheet group (2) is installed in the box body (1), a plurality of bus bar through holes (6) are formed in the conductive sheet group (2), and the conductive sheet group (2) comprises a plurality of conductive sheets (21);

a plurality of diodes (3), the plurality of diodes (3) being connected to the set of conductive strips (2);

one end of the first cable (4) penetrates through the first wire outlet hole (11) to be connected with the conducting strip group (2);

one end of the second cable (5) penetrates through the second wire outlet hole (12) to be connected with the conducting strip group (2).

2. The integrated wiring device according to claim 1, wherein the number of the conductive sheets (21) is m, and the number of the diodes (3) is m-1.

3. The integrated wiring device according to claim 2, wherein the number of the conductive sheets (21) is four, the number of the diodes (3) is three, and in a direction from the left to the right of the case (1), a first one of the conductive sheets (21) is connected to a second one of the conductive sheets (21) through the first diode (3), a second one of the conductive sheets (21) is connected to a third one of the conductive sheets (21) through the second diode (3), and a third one of the conductive sheets (21) is connected to a fourth one of the conductive sheets (21) through the third diode (3).

4. The integrated wiring device according to claim 3, wherein a first connecting portion (211) is provided at the left end of a first one of the conductive sheets (21), a second connecting portion (212) is provided at the right end of a fourth one of the conductive sheets (21), the first cable (4) is connected to the first connecting portion (211), and the second cable (5) is connected to the second connecting portion (212).

5. The integrated type junction device according to claim 1, wherein a bus bar guide hole (13) is provided at a bottom of the box body (1), and a position of the bus bar guide hole (13) corresponds to a position of the bus bar penetration hole (6).

6. The integrated wiring device according to claim 1, wherein a plurality of positioning posts (14) are provided at the bottom of the box body (1), and the plurality of positioning posts (14) are used for fixing a plurality of conductive sheets (21).

7. The integrated wiring device according to claim 1, wherein the first and second outlet holes (11, 12) have opposite polarities.

8. The integrated wiring device according to claim 1, wherein a gap (7) is left between two adjacent conductive sheets (21).