CN103916026A - Four-quadrant rectified power module and electric locomotive - Google Patents
Four-quadrant rectified power module and electric locomotive Download PDFInfo
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- CN103916026A CN103916026A CN201310007694.7A CN201310007694A CN103916026A CN 103916026 A CN103916026 A CN 103916026A CN 201310007694 A CN201310007694 A CN 201310007694A CN 103916026 A CN103916026 A CN 103916026A
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Abstract
The invention provides a four-quadrant rectified power module and an electric locomotive. The four-quadrant rectified power module comprises a water cooling base board, an IGBT, a configuration board, a bottom board assembly, a driving board and a photoelectric conversion board. The IGBT is arranged on the first side face of the water cooling base board, the configuration board is mechanically and electrically connected with the IGBT, and the bottom board assembly is arranged on the second side face of the water cooling base board. The driving board is arranged on the bottom board assembly, and the photoelectric conversion board is arranged on the bottom board assembly. The photoelectric conversion board is electrically connected with the driving board, the driving board is electrically connected with the configuration board, and the configuration board is electrically connected with the IGBT. According to the technical scheme, the driving board and the IGBT are mounted on the two sides of the water cooling base board respectively, the heating device referring to the IGBT and the bottom board assembly are fixed on the two sides of the water cooling base board respectively, and the heat generated in the working process of the device is taken away. In addition, any parts can be independently dismounted and maintained when being damaged, and good maintainability is achieved.
Description
Technical field
The present invention relates to power technology, relate in particular to a kind of four-quadrant rectified power module and electric locomotive.
Background technology
Along with the development of electric locomotive interchange technology, adopt high-power insulated gate bipolar transistor (Insulated gate bipolar transistor, hereinafter to be referred as IGBT) increasingly extensive as the current transformer of switch element.Power model is as one of vitals on current transformer, for convenience of the maintenance of main circuit, to modularization, seriation future development.Power model refers to multiple IGBT devices, radiator, absorption and the integrated structure of drive circuit that a kind of main circuit is used.
Take the four-quadrant rectified power module that uses in electric locomotive as example, four-quadrant rectified power module comprises water-filled radiator, and is arranged on bottom deck assembly, IGBT, drive plate and the photoelectric conversion plate of water-filled radiator one side.The drive plate of four-quadrant rectified power module is mainly used in driving IGBT, and concrete driving flow process is as follows: outside driving signal is passed to connector → photoelectric conversion plate → drive plate → configuration plate → IGBT.
In prior art, at least there is following problem: four-quadrant rectified power module is safeguarded inconvenient; IGBT, drive plate, composite bus bar and protective cradle are all arranged on the homonymy of water-filled radiator; and multiple-layer stacked; in the time changing drive plate or IGBT; all must remove each device on drive plate upper strata; and drive plate no matter debugging or use in all belong to fragile parts, not only loaded down with trivial details time-consuming while maintenance, and safeguard after reliability can not guarantee.
Summary of the invention
The invention provides a kind of four-quadrant rectified power module and electric locomotive, for optimizing the structure of existing four-quadrant rectified power module.
The invention provides a kind of four-quadrant rectified power module, wherein, comprising:
Water-cooling base plate;
IGBT, is arranged on the first side of described water-cooling base plate;
Configuration plate, with described IGBT machinery and electric connection;
Bottom deck assembly, is arranged on the second side of described water-cooling base plate;
Drive plate, is arranged on described bottom deck assembly;
Photoelectric conversion plate, is arranged on described bottom deck assembly, and described photoelectric conversion plate and described drive plate are electrically connected, and described drive plate and described configuration plate are electrically connected, and described configuration plate and described IGBT are electrically connected.
Four-quadrant rectified power module as above, preferably, also comprises:
Composite bus bar, is arranged on described IGBT upper, and is electrically connected with described IGBT;
Absorption Capacitance, cross-over connection is fixed on the rear end of described water-cooling base plate, and is electrically connected with described composite bus bar;
Discharge resistance, is arranged on the first side of described water-cooling base plate, and is electrically connected with described composite bus bar.
Four-quadrant rectified power module as above, preferably, also comprises:
Connector, is fixed on the bottom deck assembly of described water-cooling base plate the second side, and described connector is electrically connected with traction convertor and described photoelectric conversion plate respectively.
Four-quadrant rectified power module as above, preferably,
Between described drive plate and described configuration plate, be connected by coaxial cable.
Four-quadrant rectified power module as above, preferably,
The quantity of described IGBT is two times of described drive plate quantity, and a described drive plate is connected with two described IGBT simultaneously.
The embodiment of the present invention also provides a kind of electric locomotive, wherein, the arbitrary four-quadrant rectified power module providing of the present invention is installed in described electric locomotive.
In technique scheme, drive plate and IGBT are arranged on respectively the both sides of water-cooling base plate, utilize the two sides of water-cooling base plate, respectively heater members IGBT and bottom deck assembly are fixed on to its two sides, and the heat producing when device is worked is taken away, in addition, parts damages can be keeped in repair by independent disassembling arbitrarily, have good maintenanceability.
Accompanying drawing explanation
The four-quadrant rectified power module principle schematic diagram that Fig. 1 provides for the embodiment of the present invention one;
The four-quadrant rectified power modular structure schematic diagram that Fig. 2 provides for the embodiment of the present invention one;
Fig. 3 is Fig. 2 the first side schematic view (not being with composite bus bar);
Fig. 4 is Fig. 2 the second side schematic view;
Fig. 5 is the structural representation of composite bus bar in Fig. 1;
Fig. 6 is Fig. 2 the first side schematic view (band composite bus bar);
Traction convertor principle schematic in the electric locomotive that Fig. 7 provides for the embodiment of the present invention two.
Embodiment
The four-quadrant rectified power module principle schematic diagram that Fig. 1 provides for the embodiment of the present invention, the four-quadrant rectified power modular structure schematic diagram that Fig. 2 provides for the embodiment of the present invention one, Fig. 3 is Fig. 2 the first side schematic view (not being with composite bus bar), Fig. 4 is Fig. 2 the second side schematic view, Fig. 5 is the structural representation of composite bus bar in Fig. 1, and Fig. 6 is Fig. 2 the first side schematic view (band composite bus bar).
Referring to Fig. 1-Fig. 6, the embodiment of the present invention provides a kind of four-quadrant rectified power module, wherein, comprises water-cooling base plate 1, IGBT2, bottom deck assembly 3, configuration plate 21, drive plate 4 and photoelectric conversion plate 5.IGBT2 is arranged on the first side of described water-cooling base plate 1; Configuration plate 21 and described IGBT2 machinery and electric connection; Bottom deck assembly 3 is arranged on the second side of described water-cooling base plate 1; Drive plate 4 is arranged on described bottom deck assembly 3; Photoelectric conversion plate 5 is arranged on described bottom deck assembly 3, and described photoelectric conversion plate 5 is electrically connected with described drive plate 4, and described drive plate 4 is electrically connected with described configuration plate 21, and described configuration plate 21 is electrically connected with described IGBT2.
Particularly, protective cradle 11, bracing frame 26 and stator 25 are also installed on water-cooling base plate 1.Particularly, described photoelectric conversion plate 5 is electrically connected by cable and optical fiber with described drive plate 4, drive plate 4 is electrically connected by gate pole G, emitter E on coaxial cable and configuration plate 21, collector electrode C on collector electrode C on drive plate 4 and configuration plate 21 is directly electrically connected by cable, and configuration plate 21 is directly carried out the G of its G, E, C contact and IGBT2, E, C contact machinery and is electrically connected by securing member.
The first side refers to the side that IGBT is installed on the water-cooling base plate of four-quadrant rectified power module, and the second side refers to the side that bottom deck assembly is installed on the water-cooling base plate of four-quadrant rectified power module.Referring to Fig. 4, in the present embodiment, four IGBT2 to be installed as example, each IGBT2 has a corresponding configuration plate, i.e. four blocks of configuration plates 21.
Herein, the annexation between each device can be consistent with prior art, and the type selecting of all parts also can be consistent with prior art.In high-voltage power module; because IGBT often can be because overcurrent, overvoltage cause overheatedly breaking down or bursting; cause IGBT often to change; and in damage process, may cause drive plate to damage; so both be unfavorable for safeguarding also making cost raise, herein, power model is fixed on IGBT and bottom deck assembly that photoelectric conversion plate and drive plate be housed respectively the two sides of water-filled radiator; both be conducive to the maintenance of product, be also conducive to the heat radiation of IGBT.
In technique scheme, drive plate and IGBT are arranged on respectively the both sides of water-cooling base plate, utilize the two sides of water-cooling base plate, respectively heater members IGBT and bottom deck assembly are fixed on to its two sides, and the heat producing when device is worked is taken away, in addition, parts damages can be keeped in repair by independent disassembling arbitrarily, have good maintenanceability.
Further, four-quadrant rectified power module also comprises composite bus bar 6, Absorption Capacitance 7 and discharge resistance 8.It is upper that composite bus bar 6 is arranged on described IGBT2, and be electrically connected with described IGBT2, specifically directly carried out machinery and be electrically connected by securing member.Absorption Capacitance 7 cross-over connections are fixed on the rear end of described water-cooling base plate 1, specifically can carry out machinery by bracing frame 26 and stator 25 and fix, and Absorption Capacitance 7 is electrically connected by electric connection terminal and described composite bus bar 6; Discharge resistance 8 is arranged on the first side of described water-cooling base plate 1, and is specifically electrically connected by cable with described composite bus bar 6.
Referring to Fig. 5, herein, S1, S2, S3 and S4 are the external output point mark of composite bus bar.
The main circuit that composite bus bar has completed between IGBT, Absorption Capacitance and Absorption Capacitance discharge resistance connects.
Further, referring to Fig. 2, four-quadrant rectified power module also comprises connector 9, connector 9 is fixed on the bottom deck assembly 3 of described water-cooling base plate 1 second side, described connector 9 is electrically connected with traction convertor and photoelectric conversion plate 5 respectively, particularly, connector 9 is electrically connected by core of a cable and traction convertor and photoelectric conversion plate 5.Specifically be electrically connected with the control unit in traction convertor at outconnector 9.Female connector 9 and photoelectric conversion plate 5 are specifically electrically connected with 15 core connectors 27 by the photoelectric conversion plate on two photoelectric conversion plates 5.Herein, connector 9 is 37 core low voltage connectors.
Herein, particularly, between described drive plate 4 and described configuration plate 21, be connected by coaxial cable.
On drive plate, between the G of control end G, E and IGBT, E, adopted coaxial cable signal transmission, compared with traditional Double-strand transmission, reduced the impact of artificial twisted wire factor on cable, its antijamming capability is more superior.
Preferably, the quantity of described IGBT2 is two times of described drive plate 4 quantity, and a described drive plate 4 is connected with two described IGBT2 simultaneously.
Drive plate has adopted the type of drive of 1 pair 2, and 1 drive plate drives 2 IGBT devices in parallel simultaneously, more can guarantee its symmetrical effect in structure, makes IGBT current-sharing performance in parallel better.
The four-quadrant rectified power module that technique scheme provides, drive plate and IGBT point of side independence mounting design makes the volume-diminished of whole power model, compact conformation, and also convenient to the replacing of drive plate or IGBT, save the disassembly and assembly time, reduced maintenance cost.Adopt high-voltage great-current composite bus bar technology, reduced the stray inductance of major loop, reduced peak voltage, improved the reliability of major loop.
Referring to Fig. 7, the embodiment of the present invention two also provides a kind of electric locomotive, wherein, the four-quadrant rectified power module that the embodiment of the present invention provides is arbitrarily installed in described electric locomotive.
Particularly, four-quadrant rectified power module is a part for electric locomotive traction current transformer.Fig. 6 has illustrated AC traction electric motor 12, the annexation between traction inverted power module 13, intermediate dc link 14, four-quadrant rectification copped wave power model 15 and four-quadrant rectified power module 16.
2800V middle dc voltage is one of main electric pressure in electric locomotive traction system, for the middle dc voltage needing being provided to traction inverted power module, the single phase industrial frequence alternating current of contact line is flowed to traction transformer by pantograph, single-phase alternating current after traction transformer step-down offers the four-quadrant rectified power module that the embodiment of the present invention provides arbitrarily, four-quadrant rectified power module completes single phase alternating current (A.C.) and straightens the function of stream, provides galvanic current source by intermediate dc link for inverted power module.
The electric locomotive that technique scheme provides, the drive plate of the four-quadrant rectified power module of installing on it and IGBT point of side independence mounting design make the volume-diminished of whole power model, compact conformation, and convenient to the replacing of drive plate or IGBT, save the disassembly and assembly time, reduced maintenance cost.Adopt high-voltage great-current composite bus bar technology, reduced the stray inductance of major loop, reduced peak voltage, improved the reliability of major loop.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a four-quadrant rectified power module, is characterized in that, comprising:
Water-cooling base plate;
IGBT, is arranged on the first side of described water-cooling base plate;
Configuration plate, with described IGBT machinery and electric connection;
Bottom deck assembly, is arranged on the second side of described water-cooling base plate;
Drive plate, is arranged on described bottom deck assembly;
Photoelectric conversion plate, is arranged on described bottom deck assembly, and described photoelectric conversion plate and described drive plate are electrically connected, and described drive plate and described configuration plate are electrically connected, and described configuration plate and described IGBT are electrically connected.
2. four-quadrant rectified power module according to claim 1, is characterized in that, also comprises:
Composite bus bar, is arranged on described IGBT upper, and is electrically connected with described IGBT;
Absorption Capacitance, cross-over connection is fixed on the rear end of described water-cooling base plate, and is electrically connected with described composite bus bar;
Discharge resistance, is arranged on the first side of described water-cooling base plate, and is electrically connected with described composite bus bar.
3. four-quadrant rectified power module according to claim 1, is characterized in that, also comprises:
Connector, is fixed on the bottom deck assembly of described water-cooling base plate the second side, and described connector is electrically connected with traction convertor and described photoelectric conversion plate respectively.
4. four-quadrant rectified power module according to claim 1, is characterized in that,
Between described drive plate and described configuration plate, be connected by coaxial cable.
5. four-quadrant rectified power module according to claim 1, is characterized in that,
The quantity of described IGBT is two times of described drive plate quantity, and a described drive plate is connected with two described IGBT simultaneously.
6. an electric locomotive, is characterized in that, the arbitrary described four-quadrant rectified power module of claim 1-5 is installed in described electric locomotive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310007694.7A CN103916026B (en) | 2013-01-09 | 2013-01-09 | Four-quadrant rectified power module and electric locomotive |
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| CN201310007694.7A CN103916026B (en) | 2013-01-09 | 2013-01-09 | Four-quadrant rectified power module and electric locomotive |
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| CN103916026A true CN103916026A (en) | 2014-07-09 |
| CN103916026B CN103916026B (en) | 2017-02-08 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471225A (en) * | 2015-12-25 | 2016-04-06 | 大连尚能科技发展有限公司 | Highly integrated converter power module |
| CN106452107A (en) * | 2016-10-26 | 2017-02-22 | 北京东风电器有限公司 | Plug-in power module for off-highway elastically-driven mining dump vehicle |
| WO2018103123A1 (en) * | 2016-12-09 | 2018-06-14 | 中车永济电机有限公司 | Four-quadrant power module |
| WO2018103125A1 (en) * | 2016-12-09 | 2018-06-14 | 中车永济电机有限公司 | Traction power module |
| CN112467957A (en) * | 2020-10-10 | 2021-03-09 | 山东斯力微电子有限公司 | Intelligent high-power IGBT module |
| WO2022257294A1 (en) * | 2021-06-11 | 2022-12-15 | 精进电动科技股份有限公司 | Parallel-connected dual module motor controller drive structure, and motor controller |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3745577A1 (en) * | 2019-05-28 | 2020-12-02 | Fronius International GmbH | Inverter power source |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022257294A1 (en) * | 2021-06-11 | 2022-12-15 | 精进电动科技股份有限公司 | Parallel-connected dual module motor controller drive structure, and motor controller |
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| CN103916026B (en) | 2017-02-08 |
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Address after: 044502 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044502 Shanxi city of Yuncheng province Yongji City Motor Street No. 18 Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |