CN209692628U - Stack bus bar and railway vehicle traction system - Google Patents
Stack bus bar and railway vehicle traction system Download PDFInfo
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- CN209692628U CN209692628U CN201920470430.8U CN201920470430U CN209692628U CN 209692628 U CN209692628 U CN 209692628U CN 201920470430 U CN201920470430 U CN 201920470430U CN 209692628 U CN209692628 U CN 209692628U
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- direct current
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- plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model embodiment provides a kind of stack bus bar and railway vehicle traction system, the stack bus bar includes the first busbar group and the second busbar group, wherein: the first busbar group includes the first main part, the first exchange output section and the first direct current input unit, has the first connecting pin subgroup for connecting inverter module on first main part；The second busbar group includes the second main part, direct current output portion, the second exchange output section and the second direct current input unit, has the second connection end subgroup for connecting brake module on second main part；The first direct current input unit is mutually laminated on the first plane with the second direct current input unit, and first main body section, in the first side of first plane, second main body section is in second side of first plane.The utility model embodiment connects simultaneously in realization inverter module with the reliable electric of power semiconductor in brake module, simplifies laminated construction, reduces product design costs.
Description
Technical field
The utility model embodiment is related to Motor Control Field, more specifically to a kind of stack bus bar and railcar
Trailer system.
Background technique
In railway vehicle traction system equipment, power semiconductor, such as insulated gate bipolar transistor
(Insulated Gate Bipolar Transistor, IGBT) is core component.As electrically connecting for power semiconductor
Relay part, stack bus bar has many advantages, such as that Low ESR, anti-interference, high reliablity, to save space, assembly simple etc., in entire electricity
Gas connection is particularly important.
Stack bus bar in railway vehicle traction system equipment, traditional design mode is: by three of inverter module 11
Two bridge arms of bridge arm and brake module 12 are connected respectively on capacitor, stack bus bar by multiple-layer stacked be designed to one it is whole
Body.
However, since the bridge arm of inverter module 11 and brake module 12 is more, wherein have direct current (Direct Current,
DC it) inputs, exchange the interfaces such as (Alternating Current, AC) output, direct current output, so that stack bus bar is superimposed the number of plies
It is more, and size is larger, heavier-weight, will result in the increasing of stack bus bar manufacturing process difficulty in this way, cost is very high.
Utility model content
The utility model embodiment is more for the stack bus bar superposition number of plies in above-mentioned railway vehicle traction system equipment, and
Size is larger, heavier-weight, and stack bus bar manufacturing process difficulty is caused to increase, the very high problem of cost, provides a kind of new
Stack bus bar and railway vehicle traction system.
The technical solution that the utility model embodiment solves above-mentioned technical problem is to provide a kind of stack bus bar, including the
One busbar group and the second busbar group, in which: the first busbar group includes that the first main part, the first exchange output section and first are straight
Input unit is flowed, there is the first connecting pin subgroup for connecting inverter module, and first exchange on first main part
Output section and the first direct current input unit are conductively connected with first main part respectively；The second busbar group includes the second main body
Portion, direct current output portion, second exchange output section and the second direct current input unit, have on second main part for connecting braking
The second connection end subgroup of module, and the direct current output portion, second exchange output section and the second direct current input unit respectively with institute
State the conductive connection of the second main part；The first direct current input unit is mutually laminated on the first plane with the second direct current input unit, and described
First main body section is in the first side of first plane, and second main body section is in second side of first plane.
Preferably, first main part and the second main part are located at the second plane.
Preferably, second plane is perpendicular to the first plane.
Preferably, first main part includes the first positive direct-current copper bar being stacked, the first negative direct current copper bar and multiple
One AC copper-line, the multiple first AC copper-line are located on the same floor, and the first positive direct-current copper bar, the first negative direct current copper bar
And mutually insulated between multiple first AC copper-lines；The first direct current input unit includes that the first positive terminal copper bar and first are negative
Pole copper busbar, and the first positive terminal copper bar and the first positive direct-current copper bar are conductively connected, the first negative terminal copper
Row is conductively connected with the described first negative direct current copper bar；Second main part includes the second positive direct-current copper bar being stacked, second negative
Direct current copper bar and multiple second AC copper-lines, the multiple second AC copper-line are located on the same floor, and the second positive direct-current copper
Mutually insulated between row, the second negative direct current copper bar and multiple second AC copper-lines；The second direct current input unit includes second just
Pole copper busbar and the second negative terminal copper bar, and the second positive terminal copper bar and the second positive direct-current copper bar are conductively connected,
The second negative terminal copper bar is conductively connected with the described second negative direct current copper bar.
Preferably, first exchange output section is connected to first AC copper-line, and first exchange output section
Positioned at one end far from first plane of first main part.
Preferably, first exchange output section is perpendicular to first main part.
Preferably, second exchange output section is connected to second AC copper-line, and second exchange output section
Positioned at one end far from first plane of second main part；The direct current output portion is connected to second positive direct-current
Copper bar and the second negative direct current copper bar, and the direct current output portion is located at one far from first plane of second main part
End.
Preferably, the direct current output portion, the second exchange output section are generally aligned in the same plane with second main part respectively.
Preferably, the first positive direct-current copper bar is bent with the first positive terminal copper bar by same copper sheet；Described
One negative direct current copper bar is bent with the first negative terminal copper bar by same copper sheet；The second positive direct-current copper bar and the second anode
Copper busbar is bent by same copper sheet；The second negative direct current copper bar is bent with the second negative terminal copper bar by same copper sheet
It forms.
The utility model embodiment also provides a kind of railway vehicle traction system, including inverter module, brake module and
Stack bus bar as described above, and the power semiconductor of the inverter module is connected to first connecting pin subgroup, institute
The power semiconductor for stating brake module is connected to the second connection end subgroup.
The stack bus bar and railway vehicle traction system of the utility model have the advantages that by split type
One busbar group and the second busbar group realize that inverter module connects together with the reliable electric of power semiconductor in brake module
When, laminated construction is simplified, product design costs, manufacturing cost and technology difficulty are reduced.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of power semiconductor in railway vehicle traction system equipment；
Fig. 2 is the schematic diagram of stack bus bar provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the first busbar group in stack bus bar provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the second busbar group in stack bus bar provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Fig. 2, being the schematic diagram of stack bus bar provided by the embodiment of the utility model, which be can be applied to
The electrical connection of power semiconductor in railway vehicle traction system equipment.Stack bus bar in the present embodiment includes mutually solely
Vertical the first busbar group and the second busbar group.
Above-mentioned first busbar group includes that the first main part 21, first exchanges output section 22 and the first direct current input unit 23, the
There is the first connecting pin subgroup for connecting inverter module, and the first exchange output section 22 and the first direct current on one main part 21
Input unit 23 is conductively connected with the first main part 21 respectively.Above-mentioned first busbar group connects direct current by the first direct current input unit 23
Bus is converted DC bus-bar voltage by being connected to the power semiconductor of the first connecting pin subgroup of the first main part 21
For alternating current, and motor (such as traction electric machine) is output to by the first exchange output section 22.In the present embodiment, inverter module
It may include three bridge arms, each bridge arm can be made of two power semiconductors (such as IGBT).In practical applications, inversion
Module may also comprise two bridge arms.
Second busbar group includes that the second main part 31, second exchange output section 32, direct current output portion 33 and the second direct current are defeated
Enter portion 34, there is the second connection end subgroup for connecting brake module, and the second exchange output on above-mentioned second main part 31
Portion 32, direct current output portion 33 and the second direct current input unit 34 are conductively connected with the second main part 31 respectively.Above-mentioned second busbar group
DC bus, the power of the second connection end subgroup by being connected to the second main part 31 are connected by the second direct current input unit 34
DC bus-bar voltage is converted to alternating current by semiconductor devices, and is exported by the second exchange output section 32.In the present embodiment,
Brake module may include two bridge arms, and each bridge arm can be (such as one IGBT and one two by two power semiconductors
Pole pipe) it constitutes.
Above-mentioned first direct current input unit 23 is mutually laminated on the first plane, and the first main part 21 with the second direct current input unit 34
In the first side of the first plane, the second main part 31 is located at second side of the first plane, i.e. the first main part 21 and the second main body
Portion 31 is located at the two sides of the first plane, facilitates patching operations.
Above-mentioned stack bus bar is realizing inverter module and braking mould by split type the first busbar group and the second busbar group
The reliable electric connection of power semiconductor simultaneously, reduces the quantity of lamination, simplifies laminated construction, reduce product in block
Design cost, manufacturing cost and technology difficulty.
In one embodiment of the utility model, since the power semiconductor of inverter module and brake module is usual
It is fixed on same heat dissipation plane (such as surface of same radiator), therefore for convenient for connecting with power semiconductor, it is above-mentioned
First main part 21 and the second main part 31 can be generally aligned in the same plane, i.e. the first main part 21 and the second main part 31 are located at
Second plane.
Particularly, for convenient for patching operations, above-mentioned second plane can be perpendicular to the first plane, i.e. the first direct current input unit 23
With 34 place plane of the second direct current input unit perpendicular to 31 place plane of the first main part 21 and the second main part.
As shown in figure 3, above-mentioned first main part 21 may include first be stacked in another embodiment of the utility model
Positive direct-current copper bar 211, the first negative direct current copper bar 212 and multiple first AC copper-lines 213 (such as are controlled when being applied to three-phase motor
When equipment, it may include three the first AC copper-lines 213), above-mentioned multiple first AC copper-lines 213 are located on the same floor, and first just
Mutually insulated between direct current copper bar 211, the first negative direct current copper bar 212 and multiple first AC copper-lines 213 (such as can be first just
Between direct current copper bar 211 and the first negative direct current copper bar, make respectively between the first negative direct current copper bar 212 and the first AC copper-line 213
With insulating layer 214).First direct current input unit 23 includes the first positive terminal copper bar 231 and the first negative terminal copper bar 232, and
Above-mentioned first positive terminal copper bar 231 and the first positive direct-current copper bar 211 are conductively connected, the first negative terminal copper bar 232 and first
Negative direct current copper bar 212 is conductively connected.Correspondingly, the first exchange output section 22 is connected to the first AC copper-line 213 (when applied to three
When phase electric machinery control device, the first exchange output section 22 includes three the first AC terminals, and every one first AC copper-line 213
It is upper that there is an AC terminal), and for convenience of wiring, above-mentioned first exchange output section 22 is located at the remote of the first main part 21
One end from the first plane, and the first AC terminal is perpendicular to the first AC copper-line 213.
It particularly, is processing easy to produce, above-mentioned first positive direct-current copper bar 211 is with the first positive terminal copper bar 231 by same
One copper sheet is bent, and the first negative direct current copper bar 212 is bent with the first negative terminal copper bar 232 by same copper sheet, each
First AC terminal is bent with the first AC copper-line 213 by same copper sheet.Above-mentioned first positive terminal copper bar 231,
There is wiring construction (such as fixation hole, slot etc.) on first negative terminal copper bar 232 and every one first AC terminal.
Similarly, as shown in figure 4, the second main part 31 includes the second positive direct-current copper bar 311, the second negative direct current copper being stacked
Row 312 and multiple second AC copper-lines 313, multiple second AC copper-lines 313 are located on the same floor, and the second positive direct-current copper bar 311,
Mutually insulated between second negative direct current copper bar 312 and multiple second AC copper-lines 313 (such as can be in the second positive direct-current copper bar 311
Between the second AC copper-line 313, insulating layer is used between the second AC copper-line 313 and the second negative direct current copper bar 312 respectively
314)；Second direct current input unit 34 includes the second positive terminal copper bar 341 and the second negative terminal copper bar 342, and second is positive
Copper busbar 341 and the second positive direct-current copper bar 311 are conductively connected, the second negative terminal copper bar 342 and the second negative direct current copper bar 312
It is conductively connected.Correspondingly, the second exchange output section 32 is connected to the second AC copper-line 313 (the second exchange output section 32 includes more
A second AC terminal has an AC terminal on every one second AC copper-line 313), and for convenience of wiring, it is above-mentioned
Second exchange output section 32 is located at one end far from the first plane of the second main part 31, and the second AC terminal and the second master
Body portion 31 is in the same plane.Direct current output portion 33 includes positive direct-current output section and negative direct current output portion, and positive direct-current exports
Portion and the second positive direct-current copper bar are conductively connected, and negative direct current output portion is conductively connected with the second negative direct current copper bar, for convenient for wiring, on
It states positive direct-current output section and negative direct current output portion and is located at one end far from the first plane of the second main part 31, and positive direct-current exports
Portion and negative direct current output portion are in the same plane with the second main part 31.
It particularly, is processing easy to produce and reduction impedance, above-mentioned second positive direct-current copper bar 311, the second positive terminal
Copper bar 341 and positive direct-current output section are bent by same copper sheet, the second negative direct current copper bar 312 and the second negative terminal copper bar
342 and negative direct current output portion bent by same copper sheet, every one second AC terminal and second AC copper-line 313
It is made of same copper sheet.It is connect in above-mentioned second positive terminal copper bar 241, the second negative terminal copper bar 242 and every one second exchange
There is wiring construction (such as fixation hole, slot etc.) on line end.
The utility model embodiment also provides a kind of railway vehicle traction system, which includes traction
Motor, inverter module, brake module and stack bus bar as described above, and the power semiconductor of inverter module is connected to
First connecting pin subgroup, the power semiconductor of brake module are connected to second connection end subgroup.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (10)
1. a kind of stack bus bar, which is characterized in that including the first busbar group and the second busbar group, in which: the first busbar group
Including the first main part, the first exchange output section and the first direct current input unit, have on first main part inverse for connecting
Become module the first connecting pin subgroup, and it is described first exchange output section and the first direct current input unit respectively with first main body
Portion is conductively connected；The second busbar group includes that the second main part, direct current output portion, the second exchange output section and the second direct current are defeated
Enter portion, there is the second connection end subgroup for connecting brake module on second main part, and the direct current output portion, the
Two exchange output sections and the second direct current input unit are conductively connected with second main part respectively；The first direct current input unit and
Second direct current input unit is mutually laminated on the first plane, and first main body section is in the first side of first plane, and described
Two main body sections are in second side of first plane.
2. stack bus bar according to claim 1, which is characterized in that first main part and the second main part distinguish position
In the second plane.
3. stack bus bar according to claim 2, which is characterized in that second plane is perpendicular to the first plane.
4. stack bus bar according to claim 1, which is characterized in that first main part include be stacked it is first honest
Stream copper bar, the first negative direct current copper bar and multiple first AC copper-lines, the multiple first AC copper-line are located on the same floor, and described
Mutually insulated between first positive direct-current copper bar, the first negative direct current copper bar and multiple first AC copper-lines；The first direct current input
Portion includes the first positive terminal copper bar and the first negative terminal copper bar, and the first positive terminal copper bar and the first positive direct-current copper
Row is conductively connected, and the first negative terminal copper bar is conductively connected with the described first negative direct current copper bar；
Second main part includes the second positive direct-current copper bar, the second negative direct current copper bar and multiple second AC copper-lines being stacked,
The multiple second AC copper-line is located on the same floor, and the second positive direct-current copper bar, the second negative direct current copper bar and multiple second
Mutually insulated between AC copper-line；The second direct current input unit includes the second positive terminal copper bar and the second negative terminal copper
Row, and the second positive terminal copper bar and the second positive direct-current copper bar are conductively connected, the second negative terminal copper bar with it is described
Second negative direct current copper bar is conductively connected.
5. stack bus bar according to claim 4, which is characterized in that first exchange output section is connected to described first
AC copper-line, and first exchange output section is located at one end far from first plane of first main part.
6. stack bus bar according to claim 5, which is characterized in that first exchange output section is perpendicular to described first
Main part.
7. stack bus bar according to claim 4, which is characterized in that second exchange output section is connected to described second
AC copper-line, and second exchange output section is located at one end far from first plane of second main part；It is described
Direct current output portion is connected to the second positive direct-current copper bar and the second negative direct current copper bar, and the direct current output portion is located at described the
One end far from first plane of two main parts.
8. stack bus bar according to claim 7, which is characterized in that the direct current output portion, the second exchange output par, c
It is not generally aligned in the same plane with second main part.
9. stack bus bar according to claim 4, which is characterized in that the first positive direct-current copper bar and the first positive terminal
Copper bar is bent by same copper sheet；The first negative direct current copper bar and the first negative terminal copper bar bent by same copper sheet and
At；The second positive direct-current copper bar is bent with the second positive terminal copper bar by same copper sheet；The second negative direct current copper bar
It is bent with the second negative terminal copper bar by same copper sheet.
10. a kind of railway vehicle traction system, which is characterized in that including inverter module, brake module and such as claim 1-9
Any one of described in stack bus bar, and the power semiconductor of the inverter module is connected to first connection terminal
Group, the power semiconductor of the brake module are connected to the second connection end subgroup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470430.8U CN209692628U (en) | 2019-04-09 | 2019-04-09 | Stack bus bar and railway vehicle traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470430.8U CN209692628U (en) | 2019-04-09 | 2019-04-09 | Stack bus bar and railway vehicle traction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209692628U true CN209692628U (en) | 2019-11-26 |
Family
ID=68607544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920470430.8U Active CN209692628U (en) | 2019-04-09 | 2019-04-09 | Stack bus bar and railway vehicle traction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209692628U (en) |
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2019
- 2019-04-09 CN CN201920470430.8U patent/CN209692628U/en active Active
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