CN109150062A - A kind of silicon carbide motor controller structure - Google Patents
A kind of silicon carbide motor controller structure Download PDFInfo
- Publication number
- CN109150062A CN109150062A CN201811028331.0A CN201811028331A CN109150062A CN 109150062 A CN109150062 A CN 109150062A CN 201811028331 A CN201811028331 A CN 201811028331A CN 109150062 A CN109150062 A CN 109150062A
- Authority
- CN
- China
- Prior art keywords
- bus bar
- silicon carbide
- motor controller
- master row
- controller structure
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/322—Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of silicon carbide motor controller structure, which includes motor controller box body, dc-link capacitance, high-frequency absorption capacitor, DC master row, alternating current bus bar, the components such as the inverter bridge of driving plate, control panel and SiC MOSFET module composition.Since to open turn-off speed very fast for silicon carbide module, peak voltage is easily caused, therefore DC master row uses stack bus bar, parasitic inductance can be effectively reduced, reduce peak voltage.Alternating current bus bar and DC master row, which are packaged together, simultaneously can reduce volume, increase insulation performance.Peak voltage then can reduce using high-frequency absorption capacitor.By using stack bus bar and to the rational deployment of device, the excessively high problem of peak voltage caused by can effectively reducing silicon carbide module switch in the process reduces stray inductance, improves Electro Magnetic Compatibility motor controller structure provided by the invention, compact-sized.
Description
Technical field
The invention belongs to electric machine controller fields, more particularly, to a kind of silicon carbide motor controller structure.
Background technique
Wide bandgap semiconductor silicon carbide power device is with power density is big, switching loss is small, is suitble to high-frequency work and height
The advantages that temperature stability is good, last decade silicon carbide power electronic device have obtained development at full speed, and leading semiconductor manufacturer is all
Put into relevant research and development and production.But quickly due to silicon carbide device switching speed, thus caused peak voltage may be right
Driving signal has an impact, or even jeopardizes equipment and personal safety.Therefore, how by silicon carbide electric machine controller internal structure into
Row optimization, is those skilled in the art's Important Problems of interest.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of silicon carbide electric machine controller knots
Structure, thus solve due to silicon carbide device switching speed quickly caused by peak voltage may to driving signal generate shadow
The technical issues of ringing, or even jeopardizing equipment and personal safety.
To achieve the above object, the present invention provides a kind of silicon carbide motor controller structures, comprising: cabinet, control panel,
Driver, PCB fixed plate, Absorption Capacitance, inverter bridge, dc-link capacitance, water-cooled plate, DC master row, several alternating current bus bars,
Inlet wire slot, water-cooling groove and capacitor board；
Wherein, the inverter bridge concentration is placed in the side that the water-cooled plate center is kept right, and the driver setting is in place
In the PCB fixed plate right above the inverter bridge, the surface of the driver, the case is arranged in the control panel
There are the DC master row and the alternating current bus bar to pass through in the external inlet wire slot, the water-cooled plate is inscribed in the water-cooling groove,
The DC master row is stack bus bar, and the DC master row and several described alternating current bus bars are encapsulated in together, described straight
Stream bus capacitor is fixed on the capacitor board, and the Absorption Capacitance is located on the stack bus bar.
Preferably, the DC master row includes positive busbar and cathode bus bar；
It is described anode busbar and the cathode bus bar be laminated, to eliminate the stray inductance between busbar, it is described just
It is provided with insulating materials between pole busbar and the cathode bus bar, to realize electric insulation.
Preferably, the inverter bridge is made of several SiC MOSFET, and the transversely arranged cloth of each SiC MOSFET or so
It sets, with corresponding with the inlet wire slot on the cabinet.
Preferably, the dc-link capacitance is metallized polypropylene film capacitor.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit: the present invention improves the utilization in space by the way that by DC master row, alternating current bus bar is packaged together to save controller inner space
Rate；DC master row uses stack bus bar, can greatly reduce parasitic inductance, reduces caused peak voltage when switch；High frequency is inhaled
The peak voltage of switching device, reduces electromagnetic interference when silicon carbide module switch then can be absorbed in receipts capacitor；By to direct current mother
Line capacitance, the layout of the components such as high-frequency absorption capacitor, effectively improves the Electro Magnetic Compatibility of electric machine controller.
Detailed description of the invention
Fig. 1 is a kind of front view of silicon carbide motor controller structure provided in an embodiment of the present invention；
Fig. 2 is a kind of left view of silicon carbide motor controller structure provided in an embodiment of the present invention；
Fig. 3 is a kind of top view of silicon carbide motor controller structure provided in an embodiment of the present invention；
Fig. 4 is a kind of three-dimensional structure diagram of silicon carbide motor controller structure provided in an embodiment of the present invention；
Fig. 5 is a kind of axial perspective view of the explosion of silicon carbide motor controller structure provided in an embodiment of the present invention；
Fig. 6 is a kind of planar explosive schematic diagram of silicon carbide motor controller structure provided in an embodiment of the present invention；
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which: 1- cabinet, 2- drive
Dynamic device, 3-PCB fixed plate, 4- Absorption Capacitance, the inverter bridge of 5-SiC MOSFET composition, 6- dc-link capacitance, 7- water-cooled plate,
8- anode busbar, 9- cathode bus bar, the first alternating current bus bar of 10-, the second alternating current bus bar of 11-, 12- third alternating current bus bar, 13- inlet wire
Slot, 14- water-cooling groove, 15- control panel, 16- capacitor board.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
The present invention provides a kind of silicon carbide motor controller structures, are mentioned by optimization internal structure using stack bus bar
The Electro Magnetic Compatibility of high electric machine controller.And DC master row and alternating current bus bar are packaged together, reduction is taken up space, and is improved empty
Between utilization rate.Electromagnetic interference can also be further reduced to the rational deployment of each component, improve whole Electro Magnetic Compatibility.
Electric machine controller has the function of power conversion and control operating status etc., therefore electric machine controller is called motor again
The control elements such as power controller, including power inverter, controller (light current), detector, in embodiments of the present invention all by
It is included in electric machine controller.Controller is made of microcomputer or Digital Logical Circuits and interface circuit etc., is needed and power conversion
Device, which is connected, to be controlled, since it is very high to the sensibility of electromagnetic interference, it is therefore desirable to inhibit to reduce corresponding electromagnetic interference.
Referring to FIG. 1 to FIG. 6, the embodiment of the invention discloses a kind of silicon carbide electric machine controllers, wherein Fig. 1 is the present invention
A kind of front view for silicon carbide motor controller structure that embodiment provides；Fig. 2 is a kind of carbonization provided in an embodiment of the present invention
The left view of silicon motor controller structure；Fig. 3 is a kind of bowing for silicon carbide motor controller structure provided in an embodiment of the present invention
View；Fig. 4 is a kind of three-dimensional structure diagram of silicon carbide motor controller structure provided in an embodiment of the present invention；Fig. 5 is the present invention
A kind of axial perspective view of the explosion for silicon carbide motor controller structure that embodiment provides；Fig. 6 is provided in an embodiment of the present invention
A kind of planar explosive schematic diagram of silicon carbide motor controller structure.
Each functional component of silicon carbide electric machine controller provided in an embodiment of the present invention respectively with specific positional relationship,
It is mounted on cabinet 1 either internally or externally, and then realizes collection by cabinet 1 that each functional component of electric machine controller is compact
It is integrally formed, the electrical connection of each functional component is furthermore achieved, more succinctly, efficiently, improve the reliable of electric machine controller
Property and power density.
Wherein, the inverter bridge 5 of the SiC MOSFET composition in the embodiment of the present invention is power inverter, is assumed responsibility for main
Power conversion effect is core component, therefore first section components design corresponding position thus.Due to main in electric machine controller
Undertake component installation is water-cooled plate 7, therefore the concentration of inverter bridge 5 is placed in the position kept right at 7 center of water-cooled plate.It needs to illustrate
, three SiC MOSFET are the transversely arranged arrangements in left and right, can be convenient and installed, convenient for the inlet wire on cabinet 1
Slot 13 is corresponding.Wherein, driver 2 is the unit for driving each component, in embodiments of the present invention, can be by driver 2
It is arranged in the pcb board fixed plate 3 of the surface of SiC MOSFET group, advantageously reduces the length of driving line, copper bar can be reduced
Interference of the high current to driving line.Control panel 15 is to control the unit of each component control panel is arranged in the present embodiment
Right above driving plate, space can be effectively saved.
There are DC bus and ac bus to pass through in the outer inlet wire slot 13 of cabinet, controller uses water-cooled cooling mode, water cooling
Water-cooled plate 7 is inscribed in slot 14.DC master row includes positive busbar 8 and cathode bus bar 9, and positive busbar 8 and cathode bus bar 9 are stacking shape
Formula can eliminate the stray inductance between busbar, and insulating materials is provided between positive busbar 8 and cathode bus bar 9, realize electrical exhausted
The reliability of master row insulating and the convenience of installation may be implemented in edge, and reducing electric property caused by being made mistakes due to assembly is reduced
Etc. risks.Positive busbar 8 and cathode bus bar 9 and the first alternating current bus bar 10, the second alternating current bus bar 11,12 quilt of third alternating current bus bar
It is packaged together, can reduce volume, improve insulation performance, meanwhile, electromagnetic interference can be reduced in a certain range, improved whole
The Electro Magnetic Compatibility of machine.
Wherein, stack bus bar is also known as composite bus bar, laminated bus bar, laminating bus bar, composite copper bar, English
Laminated Busbar is a kind of multi-layer compound structure connection row, and that plays functions as the highway of distribution system.
Compared with traditional, bulky, time-consuming and troublesome wiring method, using composite bus row can provide it is modern, be easy to set
It counts, quick and clear in structure distribution system is installed.With repeatable electric property, Low ESR, anti-interference, good reliability, section
The features such as save space, succinct quick assembly, and parasitic inductance can be effectively reduced, improve the electromagnetic compatibility of electric machine controller
Property.
Dc-link capacitance 6 is metallized polypropylene film capacitor, can be applicable to high-performance direct current filtering occasion.Absorb electricity
Hold 4 to be widely used in high voltage high frequency bursts circuit, is located on stack bus bar, it is open-minded to can be used for reducing silicon carbide module
Peak voltage when shutdown reduces electromagnetic interference.
The embodiment of the invention provides a kind of silicon carbide motor controller structures, by the way that by DC master row, alternating current bus bar is sealed
It is fitted together to save controller inner space, improves the utilization rate in space；DC master row uses stack bus bar, can subtract significantly
Reduced parasitic inductances；The peak voltage of switching device when silicon carbide module switch can be absorbed using high-frequency absorption capacitor reduces electricity
Magnetic disturbance；By the rational deployment to component, the Electro Magnetic Compatibility of electric machine controller is effectively improved.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (4)
1. a kind of silicon carbide motor controller structure characterized by comprising cabinet (1), control panel (15), driver (2),
PCB fixed plate (3), Absorption Capacitance (4), inverter bridge (5), dc-link capacitance (6), water-cooled plate (7), DC master row, several
Alternating current bus bar, inlet wire slot (13), water-cooling groove (14) and capacitor board (16)；
Wherein, the inverter bridge (5), which is concentrated, is placed in the side that the water-cooled plate (7) center is kept right, driver (2) setting
On the PCB fixed plate (3) being located at right above the inverter bridge (5), the control panel (15) is arranged in the driver
(2) surface has the DC master row and the alternating current bus bar to pass through in the inlet wire slot (13) of the cabinet (1) outside,
The water-cooling groove (14) is inscribed the water-cooled plate (7), the DC master row be stack bus bar, and the DC master row and several
The alternating current bus bar is encapsulated in together, and the dc-link capacitance (6) is fixed on the capacitor board (16), the absorption electricity
Hold (4) to be located on the stack bus bar.
2. silicon carbide motor controller structure according to claim 1, which is characterized in that the DC master row includes anode
Busbar (8) and cathode bus bar (9)；
The anode busbar (8) and the cathode bus bar (9) are laminated, to eliminate the stray inductance between busbar, described
It is provided with insulating materials between positive busbar (8) and the cathode bus bar (9), to realize electric insulation.
3. silicon carbide motor controller structure according to claim 2, which is characterized in that the inverter bridge (5) is by several
A SiC MOSFET composition, and the transversely arranged arrangement of each SiC MOSFET or so, with the inlet wire slot on the cabinet (1)
(13) corresponding.
4. silicon carbide motor controller structure according to claim 3, which is characterized in that the dc-link capacitance (6)
For metallized polypropylene film capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028331.0A CN109150062A (en) | 2018-09-04 | 2018-09-04 | A kind of silicon carbide motor controller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028331.0A CN109150062A (en) | 2018-09-04 | 2018-09-04 | A kind of silicon carbide motor controller structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109150062A true CN109150062A (en) | 2019-01-04 |
Family
ID=64826903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811028331.0A Pending CN109150062A (en) | 2018-09-04 | 2018-09-04 | A kind of silicon carbide motor controller structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109150062A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011547A (en) * | 2019-04-26 | 2019-07-12 | 北京交通大学 | A kind of busbar of high-frequency inverter low spurious inductance |
| CN110034664A (en) * | 2019-05-06 | 2019-07-19 | 深圳市汇北川电子技术有限公司 | A kind of power modules of SIC electric car |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB893247A (en) * | 1957-12-30 | 1962-04-04 | Earl Avery Thompson | Improvements in or relating to method and apparatus for welding and a welded product |
| CN201805346U (en) * | 2010-09-27 | 2011-04-20 | 苏州西典机电有限公司 | General current conversion module |
| CN202435250U (en) * | 2012-02-06 | 2012-09-12 | 国电南瑞科技股份有限公司 | Power unit module of frame-type water-cooling converter |
| CN204442853U (en) * | 2015-01-06 | 2015-07-01 | 湖南南车时代电动汽车股份有限公司 | The electric machine controller of electric automobile |
-
2018
- 2018-09-04 CN CN201811028331.0A patent/CN109150062A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB893247A (en) * | 1957-12-30 | 1962-04-04 | Earl Avery Thompson | Improvements in or relating to method and apparatus for welding and a welded product |
| CN201805346U (en) * | 2010-09-27 | 2011-04-20 | 苏州西典机电有限公司 | General current conversion module |
| CN202435250U (en) * | 2012-02-06 | 2012-09-12 | 国电南瑞科技股份有限公司 | Power unit module of frame-type water-cooling converter |
| CN204442853U (en) * | 2015-01-06 | 2015-07-01 | 湖南南车时代电动汽车股份有限公司 | The electric machine controller of electric automobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011547A (en) * | 2019-04-26 | 2019-07-12 | 北京交通大学 | A kind of busbar of high-frequency inverter low spurious inductance |
| CN110011547B (en) * | 2019-04-26 | 2024-02-02 | 北京交通大学 | Busbar with low stray inductance of high-frequency inverter |
| CN110034664A (en) * | 2019-05-06 | 2019-07-19 | 深圳市汇北川电子技术有限公司 | A kind of power modules of SIC electric car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100463338C (en) | High-voltage frequency changing standard transducing power unit | |
| US9776514B2 (en) | DC-DC converter | |
| CN110120736B (en) | Water-cooling power supply module | |
| US20230308068A1 (en) | Dc terminal multi-stage filter structure, motor controller and vehicle | |
| CN109150062A (en) | A kind of silicon carbide motor controller structure | |
| CN102969908A (en) | Capacitor unit combined structure for inverters of electric vehicles | |
| CN103107713A (en) | Laminated busbar used for diode clamp type three-level converter | |
| CN101707433A (en) | Insulated gate bipolar transistor on-vehicle traction converter | |
| CN114301262A (en) | High voltage platform and motor controller thereof | |
| CN204031003U (en) | A kind of stack bus bar and diode clamp three-level topology device | |
| CN110445398B (en) | SiC-MOSFET power unit | |
| CN113473697B (en) | Variable frequency controller | |
| CN113453427B (en) | Variable frequency controller | |
| CN203104302U (en) | Laminated bus bar used for diode clamping type three-electrical level current transformer | |
| CN210898534U (en) | Active power filter cabinet body | |
| JP7167328B2 (en) | power converter | |
| CN202713122U (en) | Servo driver power loop unit based on low inductance bus | |
| CN110266179B (en) | Layout method of SiC MOSFET converter and SiC MOSFET converter | |
| CN206775388U (en) | One kind isolation digital micro power supply | |
| CN219018674U (en) | EMC filter of high-current motor controller | |
| CN205283454U (en) | Complete distributed machine controller of filter capacitance | |
| CN218920245U (en) | Novel electrolytic capacitor type power unit module | |
| CN219086990U (en) | Integrated capacitor, motor controller and motor assembly | |
| CN215682139U (en) | Switching power supply circuit | |
| CN218920662U (en) | Printed circuit board layout structure and communication power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |
|
| WD01 | Invention patent application deemed withdrawn after publication |