CN211481133U

CN211481133U - Laminated busbar and frequency converter

Info

Publication number: CN211481133U
Application number: CN201921249879.8U
Authority: CN
Inventors: 岳正军
Original assignee: Shenzhen Encom Electric Technologies Co ltd
Current assignee: Shenzhen Encom Electric Technologies Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-09-11
Anticipated expiration: 2029-08-01

Abstract

The utility model provides a female row of stromatolite, converter, the female row of stromatolite is in including just arranging and setting just female arranging lead electrical pillar, lead electrical pillar one end with just female row is connected, other end butt electric capacity installation face. The application provides a female arranging of stromatolite, converter has solved among the prior art technical problem that the female degree of flatness is not enough and the mounting hole dislocation after arranging the atress of stromatolite.

Description

Laminated busbar and frequency converter

Technical Field

The utility model relates to an electric field especially relates to a female row of stromatolite, converter.

Background

In the design and manufacture process of the frequency converter, laminated busbars are mostly used, and the laminated positive busbar and the laminated negative busbar are generally attached to each other as much as possible in order to obtain better electrical performance, and an insulating sheet is added in the middle for insulation. Therefore, when the laminated positive and negative busbars are connected with the capacitor, a height difference exists. At present, the positive and negative laminated busbars are leveled with a capacitor mounting surface by generally bending or pressing a section difference mode, but the copper bar is stressed unevenly by the method, the flatness cannot meet the requirement due to deformation after forming, even the current vibrates when passing through the copper bar to form noise, and meanwhile, the size is difficult to guarantee, so that the mounting hole in the copper bar is staggered with the mounting hole in the capacitor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a female arranging of stromatolite, converter aims at solving the female technical problem who arranges the plane degree inadequately and the mounting hole dislocation behind the atress among the prior art.

In order to achieve the above object, the present application provides a laminated busbar, the laminated busbar includes positive busbar and sets up positive busbar lead electrical pillar, lead electrical pillar one end with positive busbar is connected, other end butt electric capacity installation face.

Optionally, the laminated busbar further includes a negative busbar, an insulating plate is arranged between the negative busbar and the positive busbar, the conductive column is arranged on the end face of the positive busbar facing the insulating plate, one end of the conductive column is fixedly connected with the positive busbar, the other end of the conductive column penetrates through the insulating plate and/or the negative busbar and then abuts against the mounting surface of the capacitor, and the negative busbar is partially contacted with the insulating plate.

Optionally, the positive busbar, the insulating plate and the negative busbar are mounted on the capacitor through screws.

Optionally, the capacitor is provided with a plurality of connecting copper bars, the laminated busbar further comprises a plurality of connecting copper bars, the connecting copper bars are connected with the capacitor, the connecting copper bars are located between the insulating plate and the capacitor, and the connecting copper bars and the negative busbar are arranged in parallel.

Optionally, the connecting copper bar is connected with the capacitor bolt.

Optionally, the material of the conductive pillar is red copper.

Optionally, the conductive column is fixed to the positive busbar in a press riveting manner.

Optionally, the end face of the negative busbar departing from the insulating plate is provided with the conductive post connected with the electronic component.

In order to achieve the above object, the present application provides a frequency converter, including the laminated busbar according to any one of the above embodiments.

Compared with the prior art, the utility model provides an among the technical scheme, through the leading electrical pillar that sets up on just arranging the row, solved the difference in height problem that exists between stromatolite copper bar and the electric capacity, reduced the deformation of stromatolite copper bar moreover, guaranteed that the plane degree can meet the demands, reduced the processing degree of difficulty and complexity for the positioning accuracy of hole site size is higher.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a laminated busbar of the present invention;

fig. 2 is another schematic structural diagram of the laminated busbar according to the embodiment of the present invention;

fig. 3 is another schematic structural diagram of the laminated busbar according to the embodiment of the present invention;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Conductive pole	2	Capacitor with a capacitor element
3	Positive busbar	4	Insulating board
				5	Negative bus bar	6	Connecting copper bar

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, technical solutions between the various embodiments of the present application may be combined with each other, but it must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should be considered to be absent and not within the protection scope of the present application.

As shown in fig. 1-4, the embodiment of the present invention provides a laminated busbar, which includes a positive busbar 3 and a conductive column 1 disposed on the positive busbar 3, wherein one end of the conductive column 1 is connected to the positive busbar 3, and the other end is abutted to the capacitor 2 mounting surface.

In the technical scheme that this embodiment adopted, through leading electrical pillar 1 that sets up on arranging just, the difference in height problem that exists between stromatolite copper bar and electric capacity 2 has been solved, and need not to bend or press the section difference to come the female interval of bed hedgehopping electric capacity 2 and stromatolite, the deformation of stromatolite copper bar has been reduced, guarantee that the plane degree can satisfy the requirement, the processing degree of difficulty and complexity have been reduced, and simultaneously, the female mounting hole of arranging of stromatolite is on a plane, do not bend or press the section difference, make the positioning accuracy of hole site size higher.

Preferably, the number of conductive posts 1 corresponds to the number of capacitors 2 to be connected.

Further, referring to fig. 2, 3 and 4, the laminated busbar further includes a negative busbar 5, an insulating plate 4 is disposed between the negative busbar 5 and the positive busbar 3, the conductive column 1 is disposed on an end surface of the positive busbar 3 facing the insulating plate 4, one end of the conductive column 1 is fixedly connected to the positive busbar 3, the other end of the conductive column passes through the insulating plate 4 and/or the negative busbar 5 and then abuts against an installation surface of the capacitor 2, and the negative busbar 5 partially contacts the insulating plate 4.

In the technical scheme that this embodiment adopted, positive female row 3, insulation board 4 and female 5 of arranging of burden are the stack setting in proper order, it is concrete, electric capacity 2 is the electric capacity group of compriseing a plurality of electric capacity, female 5 of arranging of burden is installed in the one end of electric capacity 2, insulation board 4 is installed to female 5's of arranging of burden top, insulation board 4 extends to the other end by the electric capacity 2 one end of installing female 5 of arranging of burden, positive female 3 of arranging is installed to insulation board 4's top, because female 5 of arranging of burden is partial contact with insulation board 4, this makes insulation board 4 not unsettled with the part of female 5 contact of arranging of burden, form a clearance between the part of female 5 contact of arranging of insulation board 4 and electric capacity 2.

Further, the positive busbar 3, the insulating plate 4 and the negative busbar 5 are mounted on the capacitor 2 through screws.

In the technical scheme adopted by the embodiment, the capacitor 2 is provided with the mounting hole, the positive busbar 3, the insulating plate 4 and the negative busbar 5 are provided with bolt holes corresponding to the mounting hole, fixation is realized, and the implementation mode is simple and convenient.

Further, referring to fig. 2, 3 and 4, the capacitor 2 is provided with a plurality of capacitors, the laminated busbar further includes a connecting copper bar 6 connecting the plurality of capacitors 2 together, the connecting copper bar 6 is located between the insulating plate 4 and the capacitor 2, and the connecting copper bar and the negative busbar 5 are arranged in parallel.

In the technical scheme adopted in this embodiment, the connecting copper bar 6 is disposed in the gap formed between the portion of the insulating plate 4 not in contact with the negative busbar 5 and the capacitors 2, and is used for connecting a plurality of capacitors 2 in series, and the thickness of the connecting copper bar 6 is matched with that of the negative busbar 5, so as to ensure the flatness of the positive busbar 5.

Further, the connecting copper bar 6 is connected with the capacitor 2 through bolts.

In the technical scheme that this embodiment adopted, connect copper bar 6 and electric capacity 2 bolted connection, conveniently install and dismantle both.

Further, the material of the conductive column 1 is red copper.

In the technical scheme adopted in the embodiment, the red copper is pure copper, namely a copper simple substance, is named as mauve in color, and has high purity, fine tissue and extremely low oxygen content. The laminated busbar has the advantages of no air holes, no sand holes, no looseness, excellent electric conductivity, high surface precision of an electroerosion die, no directivity of electrodes after a heat treatment process, suitability for precision machining, good thermal conductivity, processability, ductility, corrosion resistance and the like, and can ensure the stability of the electric connection between the laminated busbar and the capacitor 2 and improve the using effect of products.

Further, the conductive column 1 is fixed on the positive busbar 3 in a press riveting manner.

In the technical scheme that this embodiment adopted, lead electrical pillar 1 and adopt the design of riveting, be convenient for produce manufacturing, certainly, lead electrical pillar 1 and also can adopt welded mode to be connected with positive mother row 3.

Furthermore, the end face of the negative busbar 5 departing from the insulating plate 4 is provided with a conductive column 1 connected with an electronic component.

In the technical scheme adopted by the embodiment, other electronic components can be installed on the conductive column 1 arranged on the negative busbar 5, the applicability of the laminated busbar is expanded, and the conductive column 1 is arranged on the end face of the negative busbar 5 deviating from the insulating plate 4, so that the normal use of the laminated busbar is not influenced.

The embodiment of the utility model provides a pair of stromatolite is female arranges, lead electrical pillar 1 through setting up on just arranging the row, the difference in height problem that exists between stromatolite copper bar and electric capacity 2 has been solved, and need not to bend or press the poor female interval of arranging of bed hedgehopping electric capacity 2 and stromatolite, the deformation of stromatolite copper bar has been reduced, guarantee that the plane degree can satisfy the demands, the processing degree of difficulty and complexity have been reduced, and simultaneously, the female mounting hole of arranging of stromatolite is on a plane, do not bend or press the section poor, make the positioning accuracy of hole site size higher.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related fields without departing from the spirit of the present application are intended to be included in the scope of the present application.

Claims

1. The laminated busbar is characterized by comprising a positive busbar (3) and a conductive column (1) arranged on the positive busbar (3), wherein one end of the conductive column (1) is connected with the positive busbar (3), and the other end of the conductive column is abutted against a capacitor (2) mounting surface;

the stromatolite is female still includes female (5) of arranging of burden, female arrange (5) of burden with be equipped with insulation board (4) between female (3) of just arranging, it is in to lead electrical pillar (1) setting just female (3) orientation the terminal surface of insulation board (4), the one end that leads electrical pillar (1) with just female (3) fixed connection, the other end of arranging pass insulation board (4) and/or behind female arranging (5) with the installation face butt of electric capacity (2), female arranging (5) of burden with insulation board (4) partial contact.

2. Laminated busbar according to claim 1, characterized in that the positive busbar (3), the insulating plate (4) and the negative busbar (5) are mounted on the capacitor (2) by screws.

3. The laminated busbar according to claim 1, wherein a plurality of capacitors (2) are provided, the laminated busbar further comprises a connecting copper bar (6) for connecting the plurality of capacitors (2), the connecting copper bar (6) is located between the insulating plate (4) and the capacitors (2), and the connecting copper bar (6) is arranged in parallel with the negative busbar (5).

4. Laminated busbar according to claim 3, wherein the connecting copper bar (6) is bolted to the capacitor (2).

5. Laminated busbar according to any one of claims 1 to 4, wherein the material of the conductive post (1) is red copper.

6. Laminated busbar according to claim 5, wherein the conductive post (1) is fixed to the positive busbar (3) by clinching.

7. The laminated busbar according to claim 1, wherein the end face of the negative busbar (5) facing away from the insulating plate (4) is provided with the conductive post (1) connected with an electronic component.

8. A frequency converter comprising a laminated busbar according to any one of claims 1 to 7.