CN217770491U - Conducting bar assembly, single board assembly and power electronic equipment - Google Patents

Abstract

The application provides a conductive bar assembly, a single board assembly and power electronic equipment, wherein the conductive bar assembly comprises a first electrode conductive bar, a first insulating part, a second electrode conductive bar, a second insulating part and a third electrode conductive bar; the first insulating member is disposed between the first and second electrode conductive bars, and the second insulating member is disposed between the second and third electrode conductive bars. According to the conductive bar assembly, the veneer assembly and the power electronic equipment, the veneers are electrically connected through the conductive bar assembly, so that the electrical connection between the veneers is simplified, the assembly efficiency between the veneers is improved, and the production cost and the maintenance cost are reduced.

Description

Conducting bar assembly, single board assembly and power electronic equipment

Technical Field

The application relates to the technical field of power electronic equipment, in particular to a conductive bar assembly, a single board assembly and power electronic equipment.

Background

In power electronic equipment, for example, a photovoltaic inverter, a single board such as a step-up board or an inverter board is generally provided, and these single boards need to be electrically connected to form an electrical path. Since the single board includes the positive, negative and N-pole connection terminals, the increase of the number of input paths results in more sets of positive, negative and N-pole connection terminals, and further results in complicated electrical connection between the single boards. If cable connection is adopted, the cables are easy to cross, and an assembler is likely to connect the cables in a wrong way, and the maintenance is complicated.

SUMMERY OF THE UTILITY MODEL

The application provides a lead electrical drainage subassembly, veneer subassembly and power electronic equipment to adopt the cable to connect between the veneer in solving current power electronic equipment, the cable that leads to is alternately, assembly efficiency is low and the maintenance cost is high problem.

One aspect of the present application provides a conductive bar assembly, including a first electrode conductive bar, a first insulating member, a second electrode conductive bar, a second insulating member, and a third electrode conductive bar;

the first insulating member is disposed between the first electrode conductive bar and the second electrode conductive bar, and the second insulating member is disposed between the second electrode conductive bar and the third electrode conductive bar.

Another aspect of the present application provides a single board assembly, which includes a first group of single boards, a second group of single boards, and the electrical bar assembly;

the first group of single boards comprises at least one first single board, and the second group of single boards comprises at least one second single board; the first single plate and the second single plate are respectively provided with a first electrode connecting terminal, a second electrode connecting terminal and a third electrode connecting terminal;

the first electrode connecting terminal is connected with the first electrode conductive bar, the second electrode connecting terminal is connected with the second electrode conductive bar, and the third electrode connecting terminal is connected with the third electrode conductive bar.

The application also provides a power electronic device, which comprises a shell and the single board assembly arranged in the shell.

According to the electric conduction bar assembly, the single plate assembly and the power electronic equipment, the single plates are electrically connected through the electric conduction bar assembly, so that the electric connection between the single plates is simplified, the assembly efficiency between the single plates is improved, and the production cost and the maintenance cost are reduced.

Drawings

Fig. 1 is a schematic diagram of a board assembly according to an embodiment of the present application;

fig. 2 is a schematic view of another perspective view of a single board assembly according to an embodiment of the present application;

FIG. 3 is an exploded view of a conductive bar assembly according to an embodiment of the present application;

fig. 4 is another exploded view of the conductive bar assembly according to the embodiment of the present disclosure.

The implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings.

Detailed Description

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-fig. 2, an embodiment of the present application provides a single board assembly, which includes a first group of single boards, a second group of single boards, and a busbar assembly 30;

the first group of boards includes at least one first board 10, and the second group of boards includes at least one second board 20; each of the first single plate 10 and the second single plate 20 is provided with a first electrode connection terminal (e.g., + (shown in the figure)), a second electrode connection terminal (e.g., -shown in the figure), and a third electrode connection terminal (e.g., shown by N (the figure)).

The first board 10 and the second board 20 both include a boost board or an inverter board. The boosting unit is used for boosting the photovoltaic cell assembly, and the inverting unit is used for inverting the direct-current voltage to output an alternating-current voltage. The first group of single boards can be boosting single boards or inverting single boards; or part of the single-board voltage boosting circuit can be a single-board voltage boosting circuit, and the other part of the single-board voltage boosting circuit can be a single-board inversion circuit. The second group of single boards is similar to the first group of single boards.

As shown in fig. 3, the conductor bar assembly 30 includes a first electrode conductor bar 31, a first insulating member 32, a second electrode conductor bar 33, a second insulating member 34, and a third electrode conductor bar 35; the first insulating member 32 is disposed between the first electrode row 31 and the second electrode row 33, and the second insulating member 34 is disposed between the second electrode row 33 and the third electrode row 35.

In this example, the first insulating member 32 and the second insulating member 34 include insulating paper. The safety distance between the conductive bars is ensured through insulating paper.

In this example, the first electrode row 31, the first insulating member 32, the second electrode row 33, the second insulating member 34, and the third electrode row 35 are sequentially stacked. As shown in fig. 4, the cross-sections of the first electrode row 31, the first insulating member 32, the second electrode row 33, the second insulating member 34, and the third electrode row 35 are in the shape of an inverted U. The U-shape has a certain width, such as: the third electrode conductor bar 35 has a cross-section with a width d. In this example, the width dimension is gradually reduced from the third electrode conductor row 35 to the first electrode conductor row 31, so that the first electrode conductor row 31, the first insulating member 32, the second electrode conductor row 33, the second insulating member 34, and the third electrode conductor row 35 may be sequentially stacked.

In further implementation, the first electrode conducting bar 31 is provided with a first positioning pin 311, the second electrode conducting bar 33 is provided with a second positioning pin 331, and the first insulating member 32 and the second insulating member 34 are both provided with fixing holes; the first insulating member 32 and the second insulating member 34 can be fixed by fitting the positioning pins and the fixing holes.

In this example, the first electrode conductor bar 31, the second electrode conductor bar 33 and the third electrode conductor bar 35 are each provided with a connection terminal. The connecting terminals are all in an L shape.

A plurality of first electrode connection terminals in the first group of single plates and the second group of single plates are connected with a plurality of L-shaped connection terminals in the first electrode conductive bar 31 in a one-to-one correspondence manner, a plurality of second electrode connection terminals in the first group of single plates and the second group of single plates are connected with a plurality of L-shaped connection terminals in the second electrode conductive bar 33 in a one-to-one correspondence manner, and a plurality of third electrode connection terminals in the first group of single plates and the second group of single plates are connected with a plurality of L-shaped connection terminals in the third electrode conductive bar 35 in a one-to-one correspondence manner.

Therefore, the single plates are electrically connected through the conductive bar assembly, the electrical connection between the single plates is simplified, the assembly efficiency between the single plates is improved, and the production cost and the maintenance cost are reduced.

In another embodiment, the present application further provides a power electronic device comprising a housing and a single board assembly disposed within the housing. On-board components reference is made to the foregoing.

The veneer assembly may be secured within the housing or at least partially secured to the housing.

The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and are not intended to limit the scope of the claims of the application accordingly. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present application are intended to be within the scope of the claims of the present application.

Claims (10)

1. A conducting bar component is characterized by comprising a first electrode conducting bar, a first insulating part, a second electrode conducting bar, a second insulating part and a third electrode conducting bar;

the first insulating member is disposed between the first and second electrode conductive bars, and the second insulating member is disposed between the second and third electrode conductive bars.

2. The electrical busbar assembly of claim 1, wherein the first and second insulating members comprise insulating paper.

3. The electrical busbar assembly of claim 1, wherein the first electrode electrical busbar, the first insulating member, the second electrode electrical busbar, the second insulating member, and the third electrode electrical busbar are stacked in sequence.

4. The busbar assembly according to claim 3, wherein said first electrode busbar is provided with a first locating pin for securing said first insulating member; and/or a second positioning pin is arranged on the second electrode conducting bar and used for fixing the second insulating part.

5. The electrical busbar assembly of claim 3, wherein the first electrical conductor bar, the first insulating member, the second electrical conductor bar, the second insulating member, and the third electrical conductor bar are each inverted U-shaped in cross-section.

6. The conductor bar assembly of claim 1, wherein the first, second and third electrode conductor bars are each provided with a connection terminal.

7. The busbar assembly of claim 6, wherein said connection terminals are L-shaped.

8. A veneer assembly comprising a first set of veneers, a second set of veneers, and the electrical busbar assembly of any one of claims 1-7;

the first group of single boards comprises at least one first single board, and the second group of single boards comprises at least one second single board; the first single plate and the second single plate are respectively provided with a first electrode connecting terminal, a second electrode connecting terminal and a third electrode connecting terminal;

the first electrode connecting terminal is connected with the first electrode conductive bar, the second electrode connecting terminal is connected with the second electrode conductive bar, and the third electrode connecting terminal is connected with the third electrode conductive bar.

9. The board assembly according to claim 8, wherein the first board and the second board each include a voltage boosting board or an inverting board.

10. A power electronic device comprising a housing and the single board assembly of any one of claims 8-9 disposed within the housing.

Images