CN203377796U - Laminated busbar connection structure of oppositely-plugged type - Google Patents
Laminated busbar connection structure of oppositely-plugged type Download PDFInfo
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- CN203377796U CN203377796U CN201320335875.8U CN201320335875U CN203377796U CN 203377796 U CN203377796 U CN 203377796U CN 201320335875 U CN201320335875 U CN 201320335875U CN 203377796 U CN203377796 U CN 203377796U
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- bus bar
- stack bus
- auricle
- igbt
- shape auricle
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Abstract
Disclosed is a laminated busbar connection structure of an oppositely-plugged type, and the structure comprises a main laminated busbar and an IGBT laminated busbar which are vertically connected together. The main laminated busbar is fixed inside a cabinet. The IGBT laminated busbar is installed on a power module. The main laminated busbar is fixedly equipped with left and right L-shaped lugs which are parallel to each other and spaced at a preset distance. The oppositely-plugged contact surface of the IGBT laminated busbar is inserted between the left and right L-shaped lugs. A clamping device is disposed at the outer sides of the left and right L-shaped lugs. The connection structure provided by the utility model effectively shortens the maintenance time of a maintainer and improves maintenance efficiency.
Description
Technical field
The utility model relates to the stack bus bar technical field, is specifically related to a kind of syndeton of mutual-inserting type stack bus bar.
Background technology
The period developed rapidly in the power electronics industry, stack bus bar with its repeatably the characteristics such as electric property, Low ESR, anti-interference, good reliability, saving space be applied to the structure member that high-power modular connects.The occasions such as power conversion module that are widely used in electric power and mix traction, electric traction equipment, cellular based communication, base station, telephone switching system, catenet equipment, big-and-middle-sized computer, power switch system, welding system, military equipment system, electricity generation system, electrical equipment.
In photovoltaic combining inverter, because electric current is larger, it is many that stack bus bar is applied, such as IGBT need to use stack bus bar, ac output end needs stack bus bar, like this between stack bus bar and stack bus bar be connected just many, traditional method is that two stack bus bars directly are fixed with nut, but cumbersome when follow-up maintenance like this, tear a lot of nuts open, to the most flimsy device IGBT in inverter, keep in repair more frequent especially, need dismounting busbar back and forth, so the very inconvenient follow-up maintenance of traditional connected mode.
Summary of the invention
The shortcoming existed in order to overcome above-mentioned prior art, the purpose of this utility model is to provide a kind of syndeton of mutual-inserting type stack bus bar, and the utility model syndeton has shortened the time that the attendant safeguards effectively, has improved maintenance efficiency.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of syndeton of mutual-inserting type stack bus bar, the main stack bus bar 1 and the IGBT stack bus bar 2 that comprise perpendicular connection, described main stack bus bar 1 is fixed on interior of equipment cabinet, described IGBT stack bus bar 2 is installed on power model, being fixed with two on described main stack bus bar 1 is parallel to each other and a left side " L " the shape auricle 4 of interval predeterminable range and right " L " shape auricle 5, inserting between left " L " shape auricle 4 and right " L " shape auricle 5 inserting contact-making surface 9 of described IGBT stack bus bar 2, the outside at left " L " shape auricle 4 and right " L " shape auricle 5 is equipped with clamping device 3.
A described left side " L " shape auricle 4 and right " L " shape auricle 5 shorter one side are fixed on main stack bus bar 1, and longer one side is vertical with main stack bus bar 1.
Described clamping device 3 comprises the insulation clamping plate 7 in the outside that is arranged on respectively a left side " L " shape auricle 4 and right " L " shape auricle 5, have a plurality of through holes on described insulation clamping plate 7, be installed with nut 6 on through hole, the screw that is installed with spring 8 is connected with nut 6, and the length that screws in nut 6 by adjustment screw is carried out the elastic force of regulating spring.
1, the utility model, by the improvement of syndeton, has shortened the time that the attendant safeguards effectively, has improved maintenance efficiency.
2, the outside of left " L " shape auricle 4 of the utility model and right " L " shape auricle 5 is equipped with clamping device 3, make two auricles on main stack bus bar 1 and insert 2 pairs of slotting contact-making surfaces 9 of the IGBT stack bus bar fully contact under the effect of pressure between two auricles, thereby guarantee the reliable connection of two stack bus bars.
3, the utility model spring 8 is installed on insulation clamping plate 7 by screw, the length that screws in nut 6 by adjustment screw is carried out the elastic force of regulating spring 8 with this, thereby, after guaranteeing between two auricles on the main stack bus bar 1 of IGBT stack bus bar 2 insertion, between its two auricle, enough contacts are arranged.
The accompanying drawing explanation
Fig. 1 is the utility model master stack bus bar and the installation site schematic diagram of IGBT stack bus bar in cabinet.
Fig. 2 is the utility model master stack bus bar and IGBT stack bus bar mutual-inserting type connection layout.
The connection layout that Fig. 3 is the utility model master stack bus bar and " L " type auricle.
Fig. 4 the utility model is IGBT stack bus bar schematic diagram.
Fig. 5 is insulation clamping plate schematic diagram.
Fig. 6 is the spring schematic diagram.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, for two laminated bus bar master stack bus bars 1 in cabinet and the installation site of IGBT stack bus bar 2 in cabinet, main stack bus bar 1 vertically is connected with IGBT stack bus bar 2, the tie point place adopts the connected mode of mutual-inserting type, two " L " shape auricles that are parallel to each other are installed on main stack bus bar 1, leave certain spacing between two " L " shape auricle, IGBT stack bus bar 2 insert two L to inserting contact-making surface " between the shape auricle, then use clamping device 3 from two L " outside of shape auricle stepped up to the inside from both sides, assurance reliably contacts with the contact-making surface of two auricles the busbar after inserting, thereby realize the connection of two stack bus bars.
As shown in Figure 2, for two stack bus bar mutual-inserting type concrete structures in cabinet and connected mode, at first, left " L " shape auricle 4 and right " L " shape auricle 5 are fixed by screws on main stack bus bar 1, and left " L " shape auricle 4 and right " L " shape auricle 5 parallel installations and between the certain spacing of maintenance, after left " L " shape auricle 4 and right " L " shape auricle 5 fix with main stack bus bar 1, by inserting between two auricles inserting contact-making surface of IGBT stack bus bar 2, clamping device 3 is equipped with respectively in the two auricle outsides, left " L " shape auricle 4 and the right side " L " shape auricle 5 and the IGBT stack bus bar 2 that is inserted between two auricles are stepped up, guarantee fully to contact between left " L " shape auricle 4 and the right side " L " shape auricle 5 and IGBT stack bus bar 2, thereby realize that the IGBT stack bus bar reliably is connected with the mutual-inserting type of main stack bus bar.
As shown in Figure 3, it is the connected mode of main stack bus bar 1 and left " L " shape auricle 4 and right " L " shape auricle 5, a left side " L " the shape auricle 4 and right " L " shape auricle 5 that are parallel to each other are installed in main stack bus bar 1 and IGBT stack bus bar 2 connections, its left " L " shape auricle 4 and right " L " shape auricle 5 shorter one side are fixed by screws on main stack bus bar 1, longer one side is vertical with main stack bus bar 1, and keep certain spacing (this spacing can meet can inserting inserting contact-making surface of IGBT stack bus bar 2) between left " L " shape auricle 4 and right " L " shape auricle 5.Clamping device 3 is equipped with in the outside of two auricles simultaneously, IGBT stack bus bar and two auricles is fixed, to realize the connection of two stack bus bars.Insulation clamping plate 7 is one of major part in clamping device 3, every stack clamping device 3 is two insulation clamping plates 7, have three through holes on insulation clamping plate 7, and corresponding spring 8 is connected with nut 6 through this hole after being connected with attachment screw, the length that screws in nut 6 by adjustment screw is carried out the elastic force of regulating spring 7 with this, thereby the distance between two auricles that make to install on main stack bus bar 1 remains in certain size range, so that IGBT stack bus bar 2 inserts between two auricles, enough pressure is arranged.
As shown in Figure 4, IGBT stack bus bar 2 in the utility model, main to inserting connector during two stack bus bars connect, inserting inserting contact-making surface 9 between a left side " L " the shape auricle 4 and right " L " shape auricle 5 of main stack bus bar 1 of IGBT stack bus bar 2, then by clamping device 3, IGBT stack bus bar 2 and main stack bus bar 1 are fixed, can realize the connection between stack bus bar.
As shown in Figure 5, in the utility model, insulation clamping plate 7 is one of major part in clamping device, and every group is two insulation clamping plates 7, on insulation clamping plate 7, has three through holes.
As shown in Figure 6, the utility model medi-spring 8 is that the major part of clamping force is provided in clamping device 3, spring 8 is installed on insulation clamping plate 7 by screw, the length that screws in nut by adjustment screw is carried out the elastic force of regulating spring with this, thereby, after guaranteeing between two auricles on the main stack bus bar 1 of IGBT stack bus bar 2 insertion, between its two auricle, enough contacts are arranged.
Claims (3)
1. the syndeton of a mutual-inserting type stack bus bar, the main stack bus bar (1) and the IGBT stack bus bar (2) that comprise perpendicular connection, described main stack bus bar (1) is fixed on interior of equipment cabinet, described IGBT stack bus bar (2) is installed on power model, it is characterized in that: be fixed with two and be parallel to each other and a left side " L " the shape auricle (4) of interval predeterminable range and right " L " shape auricle (5) on described main stack bus bar (1), inserting between left " L " shape auricle (4) and right " L " shape auricle (5) inserting contact-making surface (9) of described IGBT stack bus bar (2), the outside at left " L " shape auricle (4) and right " L " shape auricle (5) is equipped with clamping device (3).
2. the syndeton of a kind of mutual-inserting type stack bus bar according to claim 1, it is characterized in that: a described left side " L " shape auricle (4) and right " L " shape auricle (5) be one side shorter to be fixed on main stack bus bar (1) upper, one side longer vertical with main stack bus bar (1).
3. the syndeton of a kind of mutual-inserting type stack bus bar according to claim 1, it is characterized in that: described clamping device (3) comprises the insulation clamping plate (7) in the outside that is arranged on respectively a left side " L " shape auricle (4) and right " L " shape auricle (5), have a plurality of through holes on described insulation clamping plate (7), be installed with nut (6) on through hole, the screw that is installed with spring (8) is connected with nut (6), and the length that screws in nut (6) by adjustment screw is carried out the elastic force of regulating spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320335875.8U CN203377796U (en) | 2013-06-09 | 2013-06-09 | Laminated busbar connection structure of oppositely-plugged type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320335875.8U CN203377796U (en) | 2013-06-09 | 2013-06-09 | Laminated busbar connection structure of oppositely-plugged type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377796U true CN203377796U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320335875.8U Expired - Lifetime CN203377796U (en) | 2013-06-09 | 2013-06-09 | Laminated busbar connection structure of oppositely-plugged type |
Country Status (1)
| Country | Link |
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| CN (1) | CN203377796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707131A (en) * | 2017-02-27 | 2017-05-24 | 扬州国扬电子有限公司 | Switching mechanism and low-sensitivity test device with same |
-
2013
- 2013-06-09 CN CN201320335875.8U patent/CN203377796U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707131A (en) * | 2017-02-27 | 2017-05-24 | 扬州国扬电子有限公司 | Switching mechanism and low-sensitivity test device with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |