CN208806749U - A kind of converter module - Google Patents
A kind of converter module Download PDFInfo
- Publication number
- CN208806749U CN208806749U CN201821571530.1U CN201821571530U CN208806749U CN 208806749 U CN208806749 U CN 208806749U CN 201821571530 U CN201821571530 U CN 201821571530U CN 208806749 U CN208806749 U CN 208806749U
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- converter module
- water
- power
- cooled radiator
- bus bar
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Abstract
The utility model discloses a kind of converter modules, belong to power electronic equipment technical field field.The application carries out plug-in with current transformer inner bin busbar by using direct current electric socket board and is electrically connected, opto-electric connector carries out the integrated transmission of optical signal and electric signal with current transformer internal control unit, optimize laminated bus bar structure, it is larger to solve existing converter module volume and weight, installation maintenance is inconvenient, components relatively disperse, it is laid out unreasonable, interface relationship is complicated between converter module and current transformer other component, the technical problems such as maintenance cost height, converter module is set to reach miniaturization, it is compact-sized, it is convenient for installation and maintenance, the reliable technical effect of electric property.
Description
Technical field
The invention belongs to power electronic equipment technical field more particularly to a kind of converter modules.
Background technique
Current transformer is mounted in the equipment of the energy conversion on electric locomotive vehicle or under EMU car.Wherein converter module is
The core component of current transformer realization energy conversion.Converter module mainly include power semiconductor, driving equipment, capacitor with
And wiring etc..At present converter module there are the problem of mainly have:
1) converter module is integrated with capacitor, causes converter module volume and weight larger, it has not been convenient to installation and dimension
Shield；
2) converter module components relatively disperse, and layout is unreasonable, using copper wire or copper bar connecting components, cause circuit
The parameters such as stray inductance are larger, influence electric property；
3) interface relationship is complicated between converter module and current transformer other component, and maintenance cost is high.
Summary of the invention
Place in view of the shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a kind of small-sized
Lightweight, compact-sized, convenient for installation and maintenance, the reliable converter module of electric property.
To solve the technical problem, the technical solution adopted by the present invention are as follows:
The utility model provides a kind of converter module, comprising: water-cooled radiator, power cell, composite bus bar, insulation branch
Fagging, driving plate, power distribution board, opto-electric connector, direct current electric socket board, exchange output copper bar, insulator and shield etc..
The water-cooled radiator is mounted on the bottom of converter module, is connected using quick plug and cabinet internal cooling system
It connects.
Preferably, the power cell includes 4 power semiconductors, 4 power semiconductors are uniformly distributed
On the water-cooled radiator surface.
The composite bus bar is mounted on right above power cell, and lower surface is electrically connected with power cell, DC terminal with it is described
The electrical connection of direct current electric socket board, exchange end are electrically connected with exchange output copper bar.
The exchange output copper bar is bolted with the insulator, is mounted on the water-cooled radiator assembly surface
On.
The insulation support plate is mounted on the water-cooled radiator assembly surface by support column.
The driving plate is distributed in side by side in the insulating supporting plate surface, is electrically connected with the power distribution board, with institute
State the connection of opto-electric connector optical fiber.Each driving plate can drive a power semiconductor, or driving two is simultaneously
The power semiconductor of connection,
The opto-electric connector is mounted in the insulating supporting plate surface, tilts 45° angle along converter module axis, with
It is connected between the driving plate using optical fiber, is connect between the power distribution board using conducting wire.
The direct current electric socket board is mounted on the water-cooled radiator rear end surface, is electrically connected with the composite bus bar DC terminal
It connects, and is installed using bolt；The direct current electric socket board is electrically connected with converter box busbar, and is installed using plug-in.
Compared with prior art, the beneficial effects of the present invention are:
1) it is electrically connected by direct current electric socket board and current transformer inner bin busbar progress plug-in, it is easy for installation, structure is tight
Gather, electric property it is good；
2) the integrated transmission of optical signal and electric signal, knot are carried out with current transformer internal control unit by opto-electric connector
Structure is succinct, easy to maintain；
3) by optimization laminated bus bar structure, make each layer distributing order of busbar, current commutation path and the main electricity of power cell
Line structure matches, and reduces cabling to the greatest extent, reduces stray inductance, improves the reliability of module.
Detailed description of the invention
1, Fig. 1 is the structural schematic diagram of converter module provided by the utility model；
2, Fig. 2 is the circuit diagram of converter module provided by the utility model；
3, Fig. 3 is power cell arragement construction schematic diagram provided by the utility model；
4, Fig. 4 is busbar structure expanded view provided by the utility model.
Description of symbols:
1, water-cooled radiator；2, power cell；3, composite bus bar；31, exchange output row；32, direct current cathode is arranged；33, straight
Stream anode row；4, insulation support plate；5, driving plate；6, opto-electric connector；7, direct current electric socket board；8, exchange output copper bar；9, absolutely
Edge；10, power distribution board；11, handle；12, shield.
Specific embodiment
More detailed description is done to the utility model below in conjunction with Figure of description and specific embodiment.
Embodiment 1
Referring to Fig. 1, the converter module of the present embodiment, including water-cooled radiator 1, power cell 2, composite bus bar 3, insulation
Support plate 4, driving plate 5, opto-electric connector 6, direct current electric socket board 7, exchange output copper bar 8, insulator 9, power distribution board 10,
Hand 11 and shield 12 etc..
Water-cooled radiator 1 is mounted on the bottom of converter module, and inlet and outlet use quick plug and case
The cooling system of body connects, and water pipe head can be pulled up in the case where being not excluded for radiator internal coolant, when saving maintenance
Between.
Power cell 2 is fitted tightly over the upper surface of water-cooled radiator 1.Preferably, power cell 2 includes 4 function altogether
Rate semiconductor devices Q1~Q4.
Preferably, referring to fig. 2, the connection type of 4 power semiconductors are as follows: power semiconductor Q1 and Q3 parallel connection connects
It connects, power semiconductor Q2 and Q4 are connected in parallel, and power semiconductor Q1 and Q2 are connected in series, power semiconductor Q3
It is connected in series with Q4.2 direct-flow input end of power cell is respectively X1+ and X1-, ac output end X2.When power cell works,
Direct current is converted to alternating current through X1 and is converted to direct current from X1 output from X2 output or alternating current from X2 input.
Preferably, referring to Fig. 3,4 power semiconductor positions are as follows: power semiconductor Q1, Q2 arrangement
In the first row of water-cooled radiator 1, power semiconductor Q3, Q4 are arranged in the second row of water-cooled radiator 1.Power semiconductor
Device carries out a point arrangement according to circuit structure and sets, and makes full use of the space layout of water-cooled radiator 1, optimizes current path, reduces
The electric parameters such as circuit equivalent resistance, stray inductance.
Composite bus bar 3 is mounted on the surface of power semiconductor 2, and lower surface is electrically connected with power semiconductor 2.
Composite bus bar structure expanded view referring to fig. 4, composite bus bar 3 are formed by 3 layers altogether, are followed successively by exchange output row 31, straight from top to bottom
Cathode row 32 and direct-flow positive pole row 33 are flowed, and defeated with the ac output end X2 of power cell 2, DC output end X1-, direct current respectively
Outlet X1+ electrical connection.Insulating materials is equipped between each layer.
Exchange output copper bar 8 and 4 insulator 9 be connected by screw bolts, be mounted on the positive front end of water-cooled radiator 1, with answer
Close 31 electrical connection of exchange output row of busbar 3.
Direct current electric socket board 7 is mounted on the positive rear end of water-cooled radiator 1, the direct-flow positive pole row 33 of front side and composite bus bar 3, straight
32 electrical connection of cathode row is flowed, and is installed using bolt；Rear side is electrically connected with busbar in converter box, and using plug installation.
Insulation support plate 4 is mounted on 1 surface of water-cooled radiator by 6 support columns 13.
Driving plate 5 is mounted on 4 surface of insulation support plate, opening, turn off and protecting for power semiconductor.It drives
Movable plate 5 includes two driving plates, and each driving plate drives two power semiconductor Q1 and Q3 or Q2 and Q4 in parallel.It drives
Movable plate 5 provides power supply by the power distribution board 10, provides pulse control signal by the opto-electric connector 6.
Opto-electric connector 6 is mounted on 4 surface of insulation support plate, is tilted 45° angle along converter module axis, is avoided and mould
The big line interference of block ac output end, and it is easily installed maintenance.It is connected, is had using optical fiber between opto-electric connector 6 and driving plate 5
Effect solves influence of the electromagnetic interference to pwm pulse signal, is connect between power distribution board 10 using conducting wire.
Power distribution board 10 is mounted on 4 surface of insulation support plate, is electrically connected, is used for opto-electric connector 6 and driving plate 5
The power supply signal all the way of opto-electric connector 6 is assigned as two-way to power to driving plate 5.
Handle 11 is mounted on water-cooled radiator 1, facilitates the movement of converter module.
Shield 12 is located at right above driving plate 5 and power distribution board 10, for protecting driving plate 5 and electricity in installation process
Source distribution plate 10 collides with.
Claims (10)
1. a kind of converter module, comprising: water-cooled radiator, power cell, insulation support plate, driving plate, power distribution board and
Insulator, it is characterised in that: further include that composite bus bar, direct current electric socket board exist with output copper bar, the power cell setting is exchanged
The water-cooled radiator surface, the composite bus bar are mounted on right above the power cell, the lower surface of the composite bus bar
It is electrically connected with the power cell, the DC terminal of the composite bus bar is electrically connected with the direct current electric socket board, the composite bus bar
Exchange end and the exchange output copper bar be electrically connected.
2. converter module according to claim 1, it is characterised in that: the exchange output copper bar and insulator use spiral shell
It tethers and connects, be mounted on the positive front end of water-cooled radiator；The direct current electric socket board is mounted on the water-cooled radiator rear end surface；
The direct current electric socket board is electrically connected with converter box busbar, and is installed using plug-in.
3. converter module according to claim 1, it is characterised in that: the water-cooled radiator is mounted on the current transformer
The bottom of module, the inlet and outlet of the water-cooled radiator use the cooling system of quick plug and converter box
System connection.
4. converter module according to claim 1, it is characterised in that: the power cell includes 4 power semiconductors
Device, power semiconductor are connected in parallel two-by-two and are connected in series two-by-two；4 power semiconductors are in water-cooling
The surface of device carries out a point row according to circuit structure and is evenly arranged.
5. converter module according to claim 1, it is characterised in that: the composite bus bar is formed by 3 layers, from top to bottom
It is followed successively by exchange output row, direct current cathode row and direct-flow positive pole row, is equipped with insulating materials between each layer of composite bus bar.
6. converter module according to claim 1, it is characterised in that: the driving plate is provided by the power distribution board
Power supply provides pulse control signal by opto-electric connector.
7. converter module according to claim 6, it is characterised in that: the driving plate includes two driving plates, each
Driving plate drives two power semiconductors in parallel；Described two driving plates are distributed in the insulating supporting plate surface side by side
On, the insulation support plate is mounted on the water-cooled radiator assembly surface by support column.
8. converter module according to claim 6, it is characterised in that: the opto-electric connector is mounted on insulation support plate
On surface, 45° angle is tilted along converter module axis；It is connected between the opto-electric connector and the driving plate using optical fiber.
9. converter module according to claim 6, it is characterised in that: the power distribution board is mounted on insulation support plate
On surface, it is electrically connected with opto-electric connector and driving plate.
10. converter module according to claim 6, it is characterised in that: further include handle and shield, the handle peace
On the water-cooled radiator；The shield is located at the surface of the driving plate and the power distribution board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571530.1U CN208806749U (en) | 2018-09-26 | 2018-09-26 | A kind of converter module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571530.1U CN208806749U (en) | 2018-09-26 | 2018-09-26 | A kind of converter module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208806749U true CN208806749U (en) | 2019-04-30 |
Family
ID=66238497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821571530.1U Active CN208806749U (en) | 2018-09-26 | 2018-09-26 | A kind of converter module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208806749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254247A (en) * | 2019-06-18 | 2019-09-20 | 深圳市麦格米特驱动技术有限公司 | A kind of half-bridge power module component, electric machine controller (PCC) power and electric car |
| CN112311249A (en) * | 2019-07-30 | 2021-02-02 | 中车株洲电力机车研究所有限公司 | Extensible power device |
-
2018
- 2018-09-26 CN CN201821571530.1U patent/CN208806749U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254247A (en) * | 2019-06-18 | 2019-09-20 | 深圳市麦格米特驱动技术有限公司 | A kind of half-bridge power module component, electric machine controller (PCC) power and electric car |
| CN112311249A (en) * | 2019-07-30 | 2021-02-02 | 中车株洲电力机车研究所有限公司 | Extensible power device |
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