CN105099223B - Inversion copped wave composite bus bar suitable for high-power electric locomotive power module - Google Patents
Inversion copped wave composite bus bar suitable for high-power electric locomotive power module Download PDFInfo
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- CN105099223B CN105099223B CN201510539179.2A CN201510539179A CN105099223B CN 105099223 B CN105099223 B CN 105099223B CN 201510539179 A CN201510539179 A CN 201510539179A CN 105099223 B CN105099223 B CN 105099223B
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- busbar
- direct current
- igbt module
- copped wave
- insulating layer
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Abstract
The present invention relates to inversion copped wave converter unit, specifically a kind of inversion copped wave composite bus bar suitable for high-power electric locomotive power module.The present invention solves the problems, such as that existing inversion copped wave converter unit functional reliability is poor, weight and volume is big, production cost is high, production difficulty is big.Suitable for the inversion copped wave composite bus bar of high-power electric locomotive power module, including busbar part and the parts IGBT；The busbar part includes the U-lag body structure collectively formed by the first direct current input busbar, the second direct current input busbar, the first insulating layer, the first exchange output busbar, the second exchange output busbar, third exchange output busbar, direct current output busbar, second insulating layer, third insulating layer.The present invention is suitable for high-power electric locomotive power module.
Description
Technical field
It is specifically a kind of suitable for the inverse of high-power electric locomotive power module the present invention relates to inversion copped wave converter unit
Become copped wave composite bus bar.
Background technology
Inversion copped wave converter unit is the important component of high-power electric locomotive power module.Existing inversion copped wave becomes
Unit is changed since self structure is limited, there are the following problems：First, the main circuit component of existing inversion copped wave converter unit
（IGBT module）Between use cable connection, cause the stray inductance of its main circuit big, its main circuit thus caused to switch
It will produce peak voltage in journey, and peak voltage can be to main circuit component（IGBT module）It causes to impact, thus influences main circuit
Component（IGBT module）Service life, the functional reliability so as to cause inversion copped wave converter unit is poor.Second, existing inversion copped wave
Converter unit is formed by connecting by converter module and chopped power unit by copper bar, causes its integrated level low, thus a side
Face causes its weight and volume big, on the other hand causes its production cost high.Third, the direct current of existing inversion copped wave converter unit
Input terminal with exchange and DC output terminal is located at same direction, cause its cabling complicated, thus on the one hand lead to its volume
Greatly, on the other hand cause its production difficulty big.Based on this, it is necessary to a kind of completely new inversion copped wave converter unit is invented, with solution
The problem that certainly existing inversion copped wave converter unit functional reliability is poor, weight and volume is big, production cost is high, production difficulty is big.
Invention content
Existing inversion copped wave converter unit functional reliability is poor, weight and volume is big, production cost in order to solve by the present invention
Problem high, production difficulty is big, provides a kind of inversion copped wave composite bus bar suitable for high-power electric locomotive power module.
The present invention adopts the following technical scheme that realization：Inversion copped wave suitable for high-power electric locomotive power module
Composite bus bar, including busbar part and the parts IGBT；
The busbar part includes being handed over by the first direct current input busbar, the second direct current input busbar, the first insulating layer, first
Stream output busbar, the second exchange output busbar, third exchange output busbar, direct current output busbar, second insulating layer, third insulation
The U-lag body structure that layer collectively forms；
First direct current input busbar, the first insulating layer, the second direct current input busbar stack gradually together, and the first direct current
Input the bottom surface that busbar, the first insulating layer, the second direct current input busbar collectively as U-lag body structure；
First exchange output busbar, second insulating layer, third exchange output busbar stack gradually together, and the first exchange
Export the side that busbar, second insulating layer, third exchange output busbar collectively as U-lag body structure；
Second exchange output busbar, third insulating layer, direct current output busbar stack gradually together, and the second exchange output
Busbar, third insulating layer, direct current output busbar collectively as U-lag body structure another side；
The parts IGBT include by the first IGBT module, the second IGBT module, third IGBT module, the 4th IGBT moulds
The bridge type inverse copped wave that block, the 5th IGBT module, the 6th IGBT module, the 7th IGBT module, the 8th IGBT module collectively form
Circuit；
First IGBT module and the 5th IGBT module are cascaded, and the first IGBT module and the 5th IGBT module are common
Constitute first inverter bridge leg of bridge type inverse chopper circuit；
Second IGBT module and the 6th IGBT module are cascaded, and the second IGBT module and the 6th IGBT module are common
Constitute second inverter bridge leg of bridge type inverse chopper circuit；
Third IGBT module and the 7th IGBT module are cascaded, and third IGBT module and the 7th IGBT module are common
Constitute the third inverter bridge leg of bridge type inverse chopper circuit；
4th IGBT module and the 8th IGBT module are cascaded, and the 4th IGBT module and the 8th IGBT module are common
Constitute the copped wave bridge arm of bridge type inverse chopper circuit；
Busbar is inputted with the first direct current respectively for two direct-flow input ends of bridge type inverse chopper circuit and the second direct current inputs
Busbar connects；
Three inverting output terminals of bridge type inverse chopper circuit exchange output busbar, the second exchange output mother with first respectively
Row, third exchange output busbar connection；
The copped wave output end of bridge type inverse chopper circuit is connect with direct current output busbar.
When work, direct current inputs busbar by the first direct current and the second direct current inputs busbar and is input to bridge type inverse copped wave
DC inverter is carried out copped wave at three-phase alternating current, and to direct current, then passes through first by circuit, bridge type inverse chopper circuit
Three-phase alternating current electricity output is passed through direct current output by exchange output busbar, the second exchange output busbar, third exchange output busbar
Direct current electricity output after copped wave is achieved in inversion copped wave transformation by busbar.Based on the above process, converted with existing inversion copped wave
Unit is compared, and the inversion copped wave composite bus bar of the present invention suitable for high-power electric locomotive power module is by using complete
New construction has following advantage：First, the inversion copped wave of the present invention suitable for high-power electric locomotive power module
The main circuit component of composite bus bar（IGBT module）Between no longer use cable connection, but busbar is used to connect, thus reduced
The stray inductance of main circuit, generates peak voltage, and then work has been effectively ensured so as to avoid main circuit in switching process
Make poor reliability.Second, the inversion copped wave composite bus bar of the present invention suitable for high-power electric locomotive power module is not
It is formed by connecting again by copper bar by converter module and chopped power unit, but it is with parallel way that two power cells are whole
It is integrated, thus effectively increases integrated level, on the one hand effectively reduce weight and volume, on the other hand effectively reduce
Production cost.Third, the inversion copped wave composite bus bar of the present invention suitable for high-power electric locomotive power module is logical
Cross and use U-lag body structure, realize by DC input terminal with exchange and DC output terminal is kept completely separate, thus effectively letter
Change cabling, on the one hand effectively reduce volume, on the other hand effectively reduces production difficulty.
Structure of the invention is reasonable, ingenious in design, and it is poor, again to efficiently solve existing inversion copped wave converter unit functional reliability
Amount and the problem that volume is big, production cost is high, production difficulty is big, are suitable for high-power electric locomotive power module.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the busbar part of the present invention.
Fig. 2 is the planar structure schematic diagram of the busbar part of the present invention.
Fig. 3 is the structural schematic diagram of the parts IGBT of the present invention.
Specific implementation mode
Suitable for the inversion copped wave composite bus bar of high-power electric locomotive power module, including busbar part and the portions IGBT
Point；
The busbar part includes by the first direct current input busbar S1, the second direct current input busbar S2, the first insulating layer, the
One exchange output busbar S3, the second exchange output busbar S4, third exchange output busbar S5, direct current output busbar S6, second are absolutely
The U-lag body structure that edge layer, third insulating layer collectively form；
First direct current input busbar S1, the first insulating layer, the second direct current input busbar S2 are stacked gradually together, and first
Direct current inputs the bottom surface that busbar S1, the first insulating layer, the second direct current input busbar S2 collectively as U-lag body structure；
First exchange output busbar S3, second insulating layer, third exchange output busbar S5 are stacked gradually together, and first
Exchange output busbar S3, second insulating layer, third exchange export a sides of the busbar S5 collectively as U-lag body structure；
Second exchange output busbar S4, third insulating layer, direct current output busbar S6 are stacked gradually together, and the second exchange
Export busbar S4, third insulating layer, direct current output busbar S6 collectively as U-lag body structure another side；
The part the IGBT includes by the first IGBT module H1a, the second IGBT module H2a, third IGBT module H1b, the
Four IGBT module H2b, the 5th IGBT module B1a, the 6th IGBT module B2a, the 7th IGBT module B1b, the 8th IGBT module B2b
The bridge type inverse chopper circuit collectively formed；
First IGBT module H1a and the 5th IGBT module B1a are cascaded, and the first IGBT module H1a and the 5th
IGBT module B1a collectively forms first inverter bridge leg of bridge type inverse chopper circuit；
Second IGBT module H2a and the 6th IGBT module B2a are cascaded, and the second IGBT module H2a and the 6th
IGBT module B2a collectively forms second inverter bridge leg of bridge type inverse chopper circuit；
Third IGBT module H1b and the 7th IGBT module B1b are cascaded, and third IGBT module H1b and the 7th
IGBT module B1b collectively forms the third inverter bridge leg of bridge type inverse chopper circuit；
4th IGBT module H2b and the 8th IGBT module B2b are cascaded, and the 4th IGBT module H2b and the 8th
IGBT module B2b collectively forms the copped wave bridge arm of bridge type inverse chopper circuit；
Two direct-flow input ends of bridge type inverse chopper circuit input busbar S1 with the first direct current respectively and the second direct current is defeated
Enter busbar S2 connections；
Three inverting output terminals of bridge type inverse chopper circuit exchange output busbar S3, the second exchange output with first respectively
Busbar S4, third exchange output busbar S5 connections；
The copped wave output end of bridge type inverse chopper circuit is connect with direct current output busbar S6.
When it is implemented, the first direct current input busbar S1, the second direct current input busbar S2, the first exchange exports busbar S3,
Second exchange output busbar S4, third exchange output busbar S5, direct current output busbar S6 are all made of the copper bar that thickness is 3mm, and
It is 5-8 μm of tin layers that the electroplating surface of copper bar, which has thickness,.
Claims (1)
1. a kind of inversion copped wave composite bus bar suitable for high-power electric locomotive power module, it is characterised in that：Including busbar
Part and the parts IGBT；
The busbar part includes inputting busbar by the first direct current（S1）, the second direct current input busbar（S2）, the first insulating layer,
One exchange output busbar（S3）, second exchange output busbar（S4）, third exchange output busbar（S5）, direct current output busbar
（S6）, the U-lag body structure that collectively forms of second insulating layer, third insulating layer；
First direct current inputs busbar（S1）, the first insulating layer, the second direct current input busbar（S2）It stacks gradually together, and first
Direct current inputs busbar（S1）, the first insulating layer, the second direct current input busbar（S2）Collectively as the bottom surface of U-lag body structure；
First exchange output busbar（S3）, second insulating layer, third exchange output busbar（S5）It stacks gradually together, and first
Exchange output busbar（S3）, second insulating layer, third exchange output busbar（S5）Collectively as a side of U-lag body structure
Face；
Second exchange output busbar（S4）, third insulating layer, direct current output busbar（S6）It stacks gradually together, and the second exchange
Export busbar（S4）, third insulating layer, direct current output busbar（S6）Collectively as another side of U-lag body structure；
The parts IGBT include by the first IGBT module（H1a）, the second IGBT module（H2a）, third IGBT module（H1b）、
4th IGBT module（H2b）, the 5th IGBT module（B1a）, the 6th IGBT module（B2a）, the 7th IGBT module（B1b）, the 8th
IGBT module（B2b）The bridge type inverse chopper circuit collectively formed；
First IGBT module（H1a）With the 5th IGBT module（B1a）It is cascaded, and the first IGBT module（H1a）With the 5th
IGBT module（B1a）Collectively form first inverter bridge leg of bridge type inverse chopper circuit；
Second IGBT module（H2a）With the 6th IGBT module（B2a）It is cascaded, and the second IGBT module（H2a）With the 6th
IGBT module（B2a）Collectively form second inverter bridge leg of bridge type inverse chopper circuit；
Third IGBT module（H1b）With the 7th IGBT module（B1b）It is cascaded, and third IGBT module（H1b）With the 7th
IGBT module（B1b）Collectively form the third inverter bridge leg of bridge type inverse chopper circuit；
4th IGBT module（H2b）With the 8th IGBT module（B2b）It is cascaded, and the 4th IGBT module（H2b）With the 8th
IGBT module（B2b）Collectively form the copped wave bridge arm of bridge type inverse chopper circuit；
Two direct-flow input ends of bridge type inverse chopper circuit input busbar with the first direct current respectively（S1）It is inputted with the second direct current
Busbar（S2）Connection；
Three inverting output terminals of bridge type inverse chopper circuit exchange output busbar with first respectively（S3）, the second exchange output it is female
Row（S4）, third exchange output busbar（S5）Connection；
The copped wave output end of bridge type inverse chopper circuit and direct current output busbar（S6）Connection；
First direct current inputs busbar（S1）, the second direct current input busbar（S2）, first exchange output busbar（S3）, second exchange it is defeated
Go out busbar（S4）, third exchange output busbar（S5）, direct current output busbar（S6）It is all made of the copper bar that thickness is 3mm, and copper bar
Electroplating surface to have thickness be 5-8 μm of tin layers；
Direct current inputs busbar by the first direct current and the second direct current inputs busbar and is input to bridge type inverse chopper circuit, and bridge-type is inverse
Become chopper circuit by DC inverter into three-phase alternating current, and copped wave is carried out to direct current, it is then female by the first exchange output
Row, the second exchange output busbar, third exchange output busbar are by three-phase alternating current electricity output, and by direct current output busbar by copped wave
Direct current electricity output afterwards is achieved in inversion copped wave transformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539179.2A CN105099223B (en) | 2015-08-29 | 2015-08-29 | Inversion copped wave composite bus bar suitable for high-power electric locomotive power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539179.2A CN105099223B (en) | 2015-08-29 | 2015-08-29 | Inversion copped wave composite bus bar suitable for high-power electric locomotive power module |
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| Publication Number | Publication Date |
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| CN105099223A CN105099223A (en) | 2015-11-25 |
| CN105099223B true CN105099223B (en) | 2018-08-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107370395B (en) * | 2017-08-15 | 2020-08-21 | 中车永济电机有限公司 | Traction power module composite busbar compatible with rectification and inversion functions |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025261A (en) * | 2010-10-14 | 2011-04-20 | 国网电力科学研究院 | Air-cooled converter power module system |
| CN104779818A (en) * | 2015-04-24 | 2015-07-15 | 永济新时速电机电器有限责任公司 | Inverter chopping wave composite busbar suitable for standardizing traction power module of electric motor unit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5002971B2 (en) * | 2005-02-17 | 2012-08-15 | トヨタ自動車株式会社 | Bus bar, electrical circuit system |
| US7709737B2 (en) * | 2006-07-27 | 2010-05-04 | Rockwell Automation Technologies, Inc. | Adhesive-less DC bus system and method for manufacturing |
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- 2015-08-29 CN CN201510539179.2A patent/CN105099223B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025261A (en) * | 2010-10-14 | 2011-04-20 | 国网电力科学研究院 | Air-cooled converter power module system |
| CN104779818A (en) * | 2015-04-24 | 2015-07-15 | 永济新时速电机电器有限责任公司 | Inverter chopping wave composite busbar suitable for standardizing traction power module of electric motor unit |
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Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Applicant after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Applicant before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
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