CN107171573A - Three-phase inversion power model based on bidirectional screw runner water cooling substrate - Google Patents
Three-phase inversion power model based on bidirectional screw runner water cooling substrate Download PDFInfo
- Publication number
- CN107171573A CN107171573A CN201710578316.2A CN201710578316A CN107171573A CN 107171573 A CN107171573 A CN 107171573A CN 201710578316 A CN201710578316 A CN 201710578316A CN 107171573 A CN107171573 A CN 107171573A
- Authority
- CN
- China
- Prior art keywords
- water cooling
- cooling substrate
- phase inversion
- runner
- bidirectional screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
Abstract
It is specially the three-phase inversion power model based on bidirectional screw runner water cooling substrate the present invention relates to inverted power module, the existing radiating flow passage of solution is unreasonable, heat dispersion is poor, size and weight are big, is difficult the problem of fast insert-pull is installed, scheme：The water cooling substrate of bidirectional screw runner is provided with three-phase inversion power circuit, thereon arranged stacked T composite bus bars and driving plate, and substrate forward position sets support base, and both sides are provided with water swivel and fixed block, fixed block and are installed with screw rod and handle.Advantage：The small radiating of coolant flow resistance is uniform；Water swivel easy installation and removal does not interfere machining accuracy low；Layout is not influenceed by runner；The small IGBT of loop inductance hot property power model functional reliability is high；Compact in design, small volume and lightweight, saving cost；Interface is preposition in order, is easy to maintenance maintenance, saves outside Quick Connect Kit；Drive signal anti-interference is high.
Description
Technical field
It is specially the three-phase inversion work(based on bidirectional screw runner water cooling substrate the present invention relates to inverted power module
Rate module.
Background technology
In recent years, AC transmission electric power locomotive traction converter plant is to high-power and Highgrade integration, lightweight etc.
Direction is developed, and thus causes system dissipated power density increased dramatically, power model as whole converter plant core component,
So the high integration of power model, light-weight design are necessary.Current most power model due to by
The structure limitation of heat abstractor, power device layout, coolant interface, electric interfaces, mechanical interface can not arbitrarily change, occur
Power model overall structure is too fat to move, and appearance and size is big, the shortcomings of weight is heavy.This had both been not easy to power model and outside converter plant
Fast insert-pull and installation, and power model volume weight is big, so that it is big to take the overall space of external device (ED).Therefore, design
One kind radiating is good, and power device is rationally distributed, it is easy to which fast insert-pull and installation, profile are small, lightweight inverted power module
Extremely it is necessary.
The content of the invention
The present invention solves to be laid out unreasonable, heat dispersion caused by existing inverted power module is limited by radiating flow passage structure
Difference, appearance and size and weight are big, are difficult the problem of fast insert-pull is installed and are based on bidirectional screw runner water-cooling base there is provided one kind
The three-phase inversion power model of plate.
The present invention is achieved by the following technical solutions：Three-phase inversion based on bidirectional screw runner water cooling substrate
Power model, including water cooling substrate, the water cooling substrate include cooling mainboard, brazing sheet, cover plate three and are laminated
Plus form；The bidirectional screw runner of Central Symmetry and the smooth insertion of symmetrical centre is provided with the cooling mainboard,（Two runner is in
Spiral shape is distributed, and the round and smooth insertion connection of spiral center, and the runner can be circular or ellipse）, perpendicular to lid on the cover plate
Plate face is provided with two water swivels, the two ends insertion of the water swivel respectively with runner；The cover plate and the plate face for cooling down mainboard
On be provided with multiple installation screwed holes；The forward position of the upper surface of the water cooling substrate is vertically fixed insulating supporting seat, described
Water swivel, which is arranged at orderly compact Layout on the water cooling substrate above insulating supporting seat both sides, the insulating supporting seat, three
Phase inverter power circuit, the three-phase inversion power circuit connects what is constituted including the parallel connection of three tunnel two ends by two power devices
Half-bridge circuit, the intermediate point of three road half-bridge circuits is drawn as ac terminal U, V, W, the upper and lower bridge arm of three road half-bridge circuits respectively
Extraction is used as DC terminal；The three-phase inversion power circuit upper strata is provided with the T-shaped composite bus bar of preposition terminal, described T-shaped
The forward position of composite bus bar is provided with fixed bending, and the fixed bending is connected by screw with insulating supporting seat, the insulation branch
It is vertically fixed in the installation screwed hole of support seat both sides in the shielding supporting plate higher than T-shaped composite bus bar, the shielding supporting plate
Fix bending along driving plate is provided with, the driving plate fix be provided with bending in driving plate, the driving plate be provided with it is low
Press signal connector and low-voltage power connector；The protection that corner is bolted with driving plate is provided with the driving plate
Cover plate；The water cooling substrate both sides are respectively fixed with two mounting blocks, the mounting blocks of homonymy by installing screwed hole
It is installed with along water cooling substrate length direction level between installation screw rod, the mounting blocks and is further fixed on lift-pull handle.Cooling master
Runner is provided with plate, cooling mainboard, brazing sheet, the stacking of cover plate three, which add, forms water cooling substrate.Bidirectional screw runner maximum limit
Degree is using heat abstractor plate face space, and without wedge angle, right angle, and runner is smooth, cooling liquid speed by outer ring to inner ring, then by interior
Circle meets drag uniform to outer ring, changes less, and it is uneven that perfection solves heat sink integral heat sink, heat sink surface temperature
The flow direction of coolant is followed to change, easy heat radiation and power device are not laid out the problems such as being limited by runner to flow resistance general goal.Coolant exists
Do not hindered, flowed smooth by wedge angle right angle in smooth runner.The outlet of double-stranded runner can be arranged as required to
The arrangement of component and the direction of setting water swivel on the edge of any direction of plate face, convenient arrangement heat sink.Water swivel
Do not limited by runner direction, can be vertically arranged with plate face, facilitate installing/dismounting to safeguard, and do not interfered with peripheral devices, adopted
With the mode docked manually, requirement on machining accuracy is lower.Three road half-bridge circuits form three exchange output bridge arms respectively, pass through electricity
Cable is electrically connected with external device (ED), under control unit control, and one piece of driving plate drives an IGBT to carry out opening pass
It is disconnected, it is three-phase alternating current by DC inverter, power supply is provided for load., can according to the characteristic of water cooling substrate reversible passage
Power device, water swivel, high-low pressure electric interfaces are integrated in the forward position of water cooling substrate, and total interface is preposition, has
The height and depth of power model are reduced to effect, had both shortened the set-up time of power model and external interface, and various is connect
Mouth arrangement is orderly, so as to ensure the accuracy that power model interface is installed.Wherein, power device, which can select, can realize inversion work(
The power semiconductor of energy, the semiconductor devices such as IGBT, SiC-IGBT, MOSFET and SiC.Based on bidirectional screw runner
The three-phase inversion power model of water cooling substrate, in the orderly compact Layout power device of water cooling substrate single side face；In work(
The T-shaped composite bus bar of preposition terminal is arranged on rate device upper strata, and the electric of all power devices in circuit is realized by composite bus bar
Connection, the T-shaped composite bus bar of preposition terminal realizes the reasonable of high-voltage electrical apparatus terminal in the confined space that coolant interface is limited
Layout, both ensure that electric clearance and creep age distance, realizes that alternating current-direct current terminal is reversely arranged in order again；Shield supporting plate piece cover
Firmly composite bus bar, its both sides are confined in water cooling substrate face, and driving plate is arranged on above shielding supporting plate, and shielding supporting plate can
Effectively shielding high-tension electricity act as the support meanss of driving plate to driving plate electromagnetic interference, be highly integrated power model
Miniaturization contributes；Protective cover plate is used to protect driving plate to exempt from by external stress and impurity effect；While alternating current-direct current high pressure
Electric terminal, water swivel are provided entirely in power model front end, and water cooling substrate forward position sets insulating supporting seat combination, both real
Show reliable electric connection, be conducive to radiating and the realization of stepped construction again.Power model is installed in converter cabinet using horizontal,
Using the water cooling substrate back side as supporting surface and slideway, mechanically connected by installing screw rod with converter cabinet, and reduce
System bulk and weight.Lift-pull handle takes out whole inverted power module when conveniently repairing and safeguard.
The present invention has advantages below：1st, flow passage design, it is uneven fully to solve heat sink integral heat sink, radiating
Plate surface temperature following coolant flow direction change, flow resistance general goal not easy heat radiation the problem of；2nd, water swivel is set perpendicular to plate face,
Facilitate installing/dismounting to safeguard, and do not interfered with peripheral devices, by the way of docking manually, requirement on machining accuracy is lower；
3rd, there is no wedge angle, right angle in runner, coolant is not hindered in smooth runner by wedge angle right angle, and flowing is smooth, and radiating is quick
And it is uniform, power device layout is not influenceed by runner.4th, without setting metal framework in water cooling substrate periphery, reduce and account for
With area, component lightweight, Miniaturization Design are more suitable for；5th, reduce loop inductance, it is ensured that IGBT hot property, improve
The reliability of power model work；6th, one side compact layout and structure, reduces power model volume and weight, meets light-weight design
It is required that, save product design costses；7th, power model external interface all arranges that preposition and bolt is fastened in order, is both easy to maintenance
Safeguard, outside Quick Connect Kit is saved again；8th, drive signal anti-interference is improved, reliability of Power Modules is higher.
Brief description of the drawings
Fig. 1 is water cooling substrate structural representation；
Fig. 2 is runner schematic diagram；
Fig. 3 is three-phase inversion power module architectures schematic diagram.
In figure：1- cools down mainboard, 2- brazing sheets, 3- cover plates, 4- power devices, 5- insulating supportings seat, the compound mother of 6-T types
Row, 7- shielding supporting plates, 8- driving plates, 9- mounting blocks, 10- protective cover plates, 11- low-voltage signal connectors, 12- low-tension supplies connect
Connect device, 13- water swivels.
Embodiment
It is described based on the three-phase inversion power model of bidirectional screw runner water cooling substrate, including water cooling substrate
The water cooling substrate includes cooling mainboard 1, brazing sheet 2,3 three layers of cover plate and is formed by stacking；In being provided with the cooling mainboard 1
The heart is symmetrical and bidirectional screw runner of the smooth insertion of symmetrical centre, and cover plate face, which is provided with two water, on the cover plate 3 connects
First 13, the water connects 13 two ends insertions respectively with runner；Multiple peaces are provided with the plate face of the cover plate 3 and cooling mainboard 1
Fill screwed hole；The forward position of the upper surface of the water cooling substrate is vertically fixed insulating supporting seat 5, and the water swivel 13 is set
In compact Layout has three-phase inversion work(in order on 5 both sides of insulating supporting seat, the water cooling substrate of the top of insulating supporting seat 5
Rate circuit, the three-phase inversion power circuit includes the three tunnel two ends half-bridge electricity in series by two power devices 4 in parallel
Road, the intermediate point of three road half-bridge circuits is drawn as ac terminal U, V, W respectively, and the upper and lower bridge arm of three road half-bridge circuits, which is drawn, to be made
For DC terminal；The three-phase inversion power circuit upper strata is provided with the T-shaped composite bus bar 6 of preposition terminal, the T-shaped compound mother
The forward position of row 6 is provided with fixed bending, and the fixed bending is connected by screw with insulating supporting seat 5, the insulating supporting seat 5
Edge in the shielding supporting plate 7 higher than T-shaped composite bus bar 6, the shielding supporting plate 7 is vertically fixed in the installation screwed hole of both sides
Be provided with driving plate and fix bending, the driving plate fix be provided with bending in driving plate 8, the driving plate 8 be provided with it is low
Press signal connector 11 and low-voltage power connector 12；Corner is provided with the driving plate 8 to be bolted with driving plate 8
Protective cover plate 10；The water cooling substrate both sides are respectively fixed with two mounting blocks 9, the institute of homonymy by installing screwed hole
State mounting blocks 9 be installed with along water cooling substrate length direction level between installation screw rod, the mounting blocks be further fixed on lift handle
Hand.
When it is implemented, the power device 4 is that can realize power semiconductor IGBT, SiC- of inversion function
IGBT, MOSFET and SiC.
Claims (2)
1. a kind of three-phase inversion power model based on bidirectional screw runner water cooling substrate, it is characterised in that：Including water cooling
Heat-radiating substrate, the water cooling substrate includes cooling mainboard（1）, brazing sheet（2）, cover plate（3）Three layers are formed by stacking；Institute
State cooling mainboard（1）On be provided with the bidirectional screw runner of Central Symmetry and the smooth insertion of symmetrical centre, the cover plate（3）It is upper vertical
Cover plate face is provided with two water swivels（13）, the water connects（13）The two ends insertion of head respectively with runner；The cover plate（3）And
Cool down mainboard（1）Plate face on be provided with multiple installation screwed holes；The forward position of the upper surface of the water cooling substrate is fixed vertically
There is insulating supporting seat（5）, the water swivel（13）It is arranged at insulating supporting seat（5）Both sides, the insulating supporting seat（5）Top
Orderly compact Layout has three-phase inversion power circuit on water cooling substrate, and the three-phase inversion power circuit includes three tunnel two ends
It is in parallel by two power devices（4）Half-bridge circuit in series, the intermediate point of three road half-bridge circuits is drawn as friendship respectively
Terminal U, V, W are flowed, the upper and lower bridge arm of three road half-bridge circuits, which is drawn, is used as DC terminal；The three-phase inversion power circuit upper strata is set
It is equipped with the T-shaped composite bus bar of preposition terminal（6）, the T-shaped composite bus bar（6）Forward position be provided with fixed bending, the fixation
Bending and insulating supporting seat（5）It is connected by screw, the insulating supporting seat（5）It is vertically fixed in the installation screwed hole of both sides
Higher than T-shaped composite bus bar（6）Shielding supporting plate（7）, the shielding supporting plate（7）Upper edge is provided with driving plate and fixes bending,
The driving plate is fixed in bending and is provided with driving plate（8）, the driving plate（8）On be provided with low-voltage signal connector（11）With
Low-voltage power connector（12）；The driving plate（8）On be provided with corner and driving plate（8）The protective cover plate being bolted
（10）；The water cooling substrate both sides are respectively fixed with two mounting blocks by installing screwed hole（9）, the installation of homonymy
Block（9）It is installed with along water cooling substrate length direction level between installation screw rod, the mounting blocks and is further fixed on lift-pull handle.
2. the three-phase inversion power model according to claim 1 based on bidirectional screw runner water cooling substrate, it is special
Levy and be：The power device（4）For power semiconductor IGBT, SiC-IGBT, MOSFET of inversion function can be realized
And SiC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578316.2A CN107171573B (en) | 2017-07-16 | 2017-07-16 | Three-phase inversion power module based on bidirectional screw runner water cooling substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578316.2A CN107171573B (en) | 2017-07-16 | 2017-07-16 | Three-phase inversion power module based on bidirectional screw runner water cooling substrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107171573A true CN107171573A (en) | 2017-09-15 |
| CN107171573B CN107171573B (en) | 2019-03-05 |
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ID=59817701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710578316.2A Active CN107171573B (en) | 2017-07-16 | 2017-07-16 | Three-phase inversion power module based on bidirectional screw runner water cooling substrate |
Country Status (1)
| Country | Link |
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| CN (1) | CN107171573B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245556A (en) * | 2018-08-31 | 2019-01-18 | 西安中车永电电气有限公司 | A kind of diesel locomotive high-power loop circuit heat pipe power module and its mirror-image structure |
| CN109950842A (en) * | 2017-12-20 | 2019-06-28 | 西安中车永电电气有限公司 | A kind of insulation support device suitable for L-type composite bus bar |
| CN110165907A (en) * | 2019-03-28 | 2019-08-23 | 西安中车永电电气有限公司 | A kind of multi-functional high-density power unit applied to vehicle-mounted energy storage type guide rail electric car |
| CN114384991A (en) * | 2022-01-23 | 2022-04-22 | 苏州浪潮智能科技有限公司 | Integral type water-cooling heat abstractor |
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|---|---|---|---|---|
| JP2001308246A (en) * | 2000-02-16 | 2001-11-02 | Hitachi Ltd | Power converter |
| CN201781720U (en) * | 2010-04-30 | 2011-03-30 | 比亚迪股份有限公司 | Water-cooled heat radiator |
| CN102394230A (en) * | 2011-11-11 | 2012-03-28 | 电子科技大学 | Multi-start spiral flow channel liquid cooler used for heat radiation of electronic component |
| CN103138602A (en) * | 2011-11-30 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Water-cooling inversion power module |
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2017
- 2017-07-16 CN CN201710578316.2A patent/CN107171573B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001308246A (en) * | 2000-02-16 | 2001-11-02 | Hitachi Ltd | Power converter |
| CN201781720U (en) * | 2010-04-30 | 2011-03-30 | 比亚迪股份有限公司 | Water-cooled heat radiator |
| CN102394230A (en) * | 2011-11-11 | 2012-03-28 | 电子科技大学 | Multi-start spiral flow channel liquid cooler used for heat radiation of electronic component |
| CN103138602A (en) * | 2011-11-30 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Water-cooling inversion power module |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950842A (en) * | 2017-12-20 | 2019-06-28 | 西安中车永电电气有限公司 | A kind of insulation support device suitable for L-type composite bus bar |
| CN109950842B (en) * | 2017-12-20 | 2024-03-26 | 西安中车永电电气有限公司 | L-shaped insulating supporting device suitable for composite busbar |
| CN109245556A (en) * | 2018-08-31 | 2019-01-18 | 西安中车永电电气有限公司 | A kind of diesel locomotive high-power loop circuit heat pipe power module and its mirror-image structure |
| CN109245556B (en) * | 2018-08-31 | 2024-03-26 | 西安中车永电电气有限公司 | High-power loop heat pipe power module for internal combustion locomotive and mirror image structure thereof |
| CN110165907A (en) * | 2019-03-28 | 2019-08-23 | 西安中车永电电气有限公司 | A kind of multi-functional high-density power unit applied to vehicle-mounted energy storage type guide rail electric car |
| CN114384991A (en) * | 2022-01-23 | 2022-04-22 | 苏州浪潮智能科技有限公司 | Integral type water-cooling heat abstractor |
| CN114384991B (en) * | 2022-01-23 | 2023-06-16 | 苏州浪潮智能科技有限公司 | Integrated water-cooling heat dissipation device |
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| CN107171573B (en) | 2019-03-05 |
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