CN203387417U - Vehicle-mounted current transformer power module - Google Patents
Vehicle-mounted current transformer power module Download PDFInfo
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- CN203387417U CN203387417U CN201320520358.8U CN201320520358U CN203387417U CN 203387417 U CN203387417 U CN 203387417U CN 201320520358 U CN201320520358 U CN 201320520358U CN 203387417 U CN203387417 U CN 203387417U
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- mounted current
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Abstract
The utility model relates to the technical field of auxiliary current transformers for railway vehicles and specifically relates to a vehicle-mounted current transformer power module for a railway vehicle. The vehicle-mounted current transformer power module comprises a power circuit, a drive circuit, a power supply module, a heat dissipater, a support capacitor C1, a busbar, and a mechanical shell, wherein the power circuit is a three-phase inversion full-bridge circuit; the busbar is a lamination busbar and is a structure having two sides bended downwards; and one side of the busbar is electrically connected with the capacitor C1, while the other side of the busbar is electrically with wiring terminals. The power module of the utility model is advantaged in that the lamination busbar can effectively reduce the loop voltage reduction and heating loss. The current transformer power module is compact in overall structural arrangement, reasonable in layout of various components, and simple and convenient in assembling and disassembling process.
Description
Technical field
The utility model relates to used for rail vehicle AuCT technical field, specifically, relates to a kind of current transformator power module of used for rail vehicle.
Background technology
Along with the propelling of China Express Railway construction process and the fast development of urban track traffic, to EMU, locomotive, inter-city train and city rail vehicle are more and more higher with the requirement of traction and AuCT, as the key position in traction and AuCT, the reliability of power model, availability, maintainability and fail safe are very important.
Common current transformator power module comprises a plurality of modules, not only very high to the requirement of power model heat dispersion, and its height and volume are also had to certain restriction.Be generally each module of current transformator power module to be comprised to the radiator piece is concentrated be assembled in a casing, volume and weight is larger, installation and removal process inconvenience.
In actual use, very high to current transformator power module modules performance requirement, Support Capacitor is one of indispensable vitals in the power model course of work, need to bear surge voltage higher in circuit and bear for a long time reverse impulse voltage, in traditional current transformator power module, Support Capacitor used mostly adopts electrochemical capacitor as supporting energy-storage travelling wave tube, and finds that in actual applications life-span of electrochemical capacitor and reliability are to existing very large restriction in useful life of current transformer.Power model generally adopts the IGBT pipe as the core power parts, and the arrangement mode of IGBT pipe and the design of bus bar have important function to the life-span of power model.And the driving signal of general current transformator power module adopts cable or the fine transmission of single beam, and not only installing/dismounting process complexity, and useful life is short, poor reliability.
The utility model content
The purpose of this utility model is the shortcoming for existing used for rail vehicle AuCT power model, and a kind of high reliability, life-span length and vehicle-mounted current transformator power module easily quick for installation are provided.
The technical solution of the utility model is: a kind of vehicle-mounted current transformator power module, it is characterized in that: comprise power circuit, drive circuit, power module, radiator, Support Capacitor C1, busbar and mechanical cover, described power circuit is the three-phase inversion full-bridge circuit, radiator is fixed in the top of this power model mechanical cover, and the front panel of mechanical cover is provided with binding post, current sensor and multi-core fiber and drives connector; Described busbar is the composite laminate low-inductance bus, is installed between power circuit and Support Capacitor C1, and busbar is that both sides are bent downwardly structure, and a side is electrically connected to Support Capacitor C1, and an end is electrically connected to binding post.
Preferably, described three-phase inversion full-bridge circuit, by the IGBT pipe, Q1 to Q6 forms, Q1, Q2 and Q3 are positioned at brachium pontis, Q4, Q5 and Q6 are positioned at lower brachium pontis, upper brachium pontis is connected with direct-flow input end P+ end by counnter attack diode D1, and lower brachium pontis is connected with direct-flow input end N-end, and the three-phase output end of three-phase inversion full-bridge circuit exports U, V and W output to by a Hall current sensor respectively.
Preferably, described busbar is three-decker, be followed successively by from top to bottom with direct-flow input end P+ and hold the P+ layer that is connected, with direct-flow input end N-, hold the N-layer be connected, the composite bed be connected with the W output with U, V, the two ends of P+ layer, N-end and composite bed and middle alternate 4 layer insulatings that are provided with.
Preferably, vehicle-mounted current transformator power module according to claim 3 is characterized in that: described busbar is installed on the lower end of power circuit, and busbar is provided with 6 groups of terminals that are electrically connected to the IGBT pipe, all is filled with insulating material in the middle of every group of terminal.
Preferably, described multi-core fiber drives connector to adopt many group fiber optic cables to combine in same a connector, and this multi-core fiber drives connector to provide the driving signal for power circuit.
Preferably, also be provided with installing rack on mechanical cover, the installing rack both sides are provided with the installation slideway, by push-and-pull slideway mode, load and unload this power model.
Preferably, described Support Capacitor C1 is high voltage thin film electric capacity, direct-flow input end P+ end and access Support Capacitor C1 in parallel and discharge resistance R1 between N-holds.
Preferably, on described radiator, the temperature switch that power circuit is carried out to overtemperature prote is installed.
The utility model beneficial effect compared with prior art is:
(1) Support Capacitor C1 adopts high voltage thin film electric capacity, and this electric capacity can bear higher effective value electric current and surge voltage, and nonpolarity restriction, and can bear for a long time reverse impulse voltage, the thin-film capacitor dielectric loss is little in addition, and good temp characteristic has certain self-healing ability;
(2) busbar is that both sides are bent downwardly structure, one side is electrically connected to Support Capacitor C1, one end is electrically connected to binding post and power connector, the busbar bilateral is electrically connected and can guarantees that busbar both positive and negative polarity current circuit area keeps overlapping, greatly degree reduces the busbar stray inductance, the lamination low-inductance bus that busbar is three-decker simultaneously, be followed successively by from top to bottom the P+ layer, N-layer and composite bed, can effectively reduce the stray inductance in electric current, thereby the voltage overshoot of the generation of loop stray inductance under higher di/dt effect while reducing the shutoff of IGBT pipe, reduce the spoilage of IGBT pipe, low-inductance bus can effectively reduce loop step-down and heating loss simultaneously, and stack bus bar is installed simple, easy to maintenance,
(3) multi-core fiber drives connector to adopt many group fiber optic cables to combine in same a connector, adopt multi-core fiber to drive the IGBT pipe Q1 to Q6 that connector is the three-phase inversion full-bridge circuit that the driving signal is provided, effectively reduce to drive in the signal long-distance transmitting procedure and be interfered, thereby avoid misleading of IGBT pipe, can reduce device and change the activity duration simultaneously, improve and safeguard convenience, and can avoid the driving signal wrong caused because of human error, cause the IGBT pipe to damage;
(4) the installing rack both sides of mechanical cover are provided with the installation slideway, by push-and-pull slideway mode, load and unload this power model, and operating personnel can easily complete the disassemble and assemble work of current transformator power module, reduce maintenance man-hours;
(5) this current transformator power module overall structure arranges compactness, each device layout is reasonable, the assembly and disassembly process is simple and convenient.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model current transformator power module;
The front view that Fig. 2 is the utility model current transformator power module;
The rearview that Fig. 3 is the utility model current transformator power module;
The circuit theory diagrams that Fig. 4 is the utility model power model;
The IGBT pipe layout viewing that Fig. 5 is the utility model power model;
The structural representation that Fig. 6 is the utility model busbar.
In figure, 1-radiator, 2-mechanical cover, 3-binding post, 4-current sensor, 5-multi-core fiber drives connector, 6-busbar, 7-installing rack, 8-terminal, 9-power module
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described:
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of vehicle-mounted current transformator power module, comprise power circuit, drive circuit, power module 9, radiator 1, Support Capacitor C1, busbar 6 and mechanical cover 2, power circuit is the three-phase inversion full-bridge circuit, radiator 1 is fixed in the top of this power model mechanical cover 2, and the front panel of mechanical cover 2 is provided with binding post 3, current sensor 4 and multi-core fiber and drives connector 5; Busbar 6 is the composite laminate low-inductance bus, is installed between power circuit and Support Capacitor C1, and busbar 6 is for both sides are bent downwardly structure, and a side is electrically connected to Support Capacitor C1, and an end is electrically connected to binding post 3.
Referring to Fig. 4, Fig. 5, in the power circuit schematic diagram, the three-phase inversion full-bridge circuit, by the IGBT pipe, Q1 to Q6 forms, Q1, Q2 and Q3 are positioned at brachium pontis, and Q4, Q5 and Q6 are positioned at lower brachium pontis, and upper brachium pontis is connected with direct-flow input end P+ end by counnter attack diode D1, lower brachium pontis is connected with direct-flow input end N-end, and the three-phase output end of three-phase inversion full-bridge circuit exports U, V and W output to by Hall current sensor TA1, a TA2 and TA3 respectively.Wherein, Support Capacitor C1 is high voltage thin film electric capacity, direct-flow input end P+ end and access Support Capacitor C1 in parallel and discharge resistance R1 between N-holds, and the discharge resistance R1 resistance adopted is that 68K Ω rated power is 500W, can guarantee that current transformer cuts off the power supply is drained by the energy by storing in loop in latter 5 minutes, to guarantee attended operation personnel's safety, the voltage range of the direct-flow input end P+ of power circuit end and N-end is 2700V-3000V usually.
Referring to Fig. 6, busbar 6 is three-decker, be followed successively by from top to bottom with direct-flow input end P+ and hold the P+ layer that is connected, with direct-flow input end N-, hold the N-layer be connected, the composite bed be connected with the W output with U, V, the two ends of P+ layer, N-end and composite bed and middle alternate 4 layer insulatings that are provided with, busbar 6 is installed on the lower end of power circuit, busbar is provided with 6 groups of terminals 8 that are electrically connected to the IGBT pipe, in the middle of every group of terminal 8, all is filled with insulating material.
Multi-core fiber drives connector 5 to adopt many group fiber optic cables to combine in same a connector, multi-fiber connector 5 is installed on a side of the front panel of this current transformator power module mechanical cover 2, peripheral control unit drives the IGBT pipe Q1 to Q6 that connector 5 is the three-phase inversion full-bridge circuit that the driving signal is provided by multi-core fiber, this multi-core fiber drives connector 5 that the interface circuit of the driving signal of power circuit is integrated in one, facilitate the device Renewal process, improve the convenience of safeguarding.
The temperature switch that power circuit is carried out to overtemperature prote is installed on radiator 1, on radiator 1 substrate, by heat-conducting silicone grease, is pasted with IGBT pipe, discharge resistance R1 and counnter attack diode D1.
Also be provided with installing rack 7 on mechanical cover 2, installing rack 7 both sides are provided with the installation slideway, by push-and-pull slideway mode, load and unload this power model, and each modular structure compactness simultaneously is convenient for changing, service equipment.
Claims (8)
1. a vehicle-mounted current transformator power module, it is characterized in that: comprise power circuit, drive circuit, power module, radiator, Support Capacitor C1, busbar and mechanical cover, described power circuit is the three-phase inversion full-bridge circuit, radiator is fixed in the top of this power model mechanical cover, and the front panel of mechanical cover is provided with binding post, current sensor and multi-core fiber and drives connector; Described busbar is the composite laminate low-inductance bus, is installed between power circuit and Support Capacitor C1, and busbar is that both sides are bent downwardly structure, and a side is electrically connected to Support Capacitor C1, and an end is electrically connected to binding post.
2. vehicle-mounted current transformator power module according to claim 1, it is characterized in that: described three-phase inversion full-bridge circuit, by the IGBT pipe, Q1 to Q6 forms, Q1, Q2 and Q3 are positioned at brachium pontis, Q4, Q5 and Q6 are positioned at lower brachium pontis, upper brachium pontis is connected with direct-flow input end P+ end by counnter attack diode D1, and lower brachium pontis is connected with direct-flow input end N-end, and the three-phase output end of three-phase inversion full-bridge circuit exports U, V and W output to by a Hall current sensor respectively.
3. vehicle-mounted current transformator power module according to claim 2, it is characterized in that: described busbar is three-decker, be followed successively by from top to bottom with direct-flow input end P+ and hold the P+ layer that is connected, with direct-flow input end N-, hold the N-layer be connected, the composite bed be connected with the W output with U, V, the two ends of P+ layer, N-end and composite bed and middle alternate 4 layer insulatings that are provided with.
4. vehicle-mounted current transformator power module according to claim 3, it is characterized in that: described busbar is installed on the lower end of power circuit, and busbar is provided with 6 groups of terminals that are electrically connected to the IGBT pipe, and every group of terminal centre all is filled with insulating material.
5. vehicle-mounted current transformator power module according to claim 1 is characterized in that: described multi-core fiber drives connector to adopt many group fiber optic cables to combine in same a connector, and this multi-core fiber drives connector to provide the driving signal for power circuit.
6. vehicle-mounted current transformator power module according to claim 1, it is characterized in that: also be provided with installing rack on mechanical cover, the installing rack both sides are provided with the installation slideway, by push-and-pull slideway mode, load and unload this power model.
7. vehicle-mounted current transformator power module according to claim 2, it is characterized in that: described Support Capacitor C1 is high voltage thin film electric capacity, direct-flow input end P+ end and access Support Capacitor C1 in parallel and discharge resistance R1 between N-holds.
8. vehicle-mounted current transformator power module according to claim 1, is characterized in that: the temperature switch that power circuit is carried out to overtemperature prote is installed on described radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520358.8U CN203387417U (en) | 2013-08-23 | 2013-08-23 | Vehicle-mounted current transformer power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520358.8U CN203387417U (en) | 2013-08-23 | 2013-08-23 | Vehicle-mounted current transformer power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387417U true CN203387417U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520358.8U Expired - Fee Related CN203387417U (en) | 2013-08-23 | 2013-08-23 | Vehicle-mounted current transformer power module |
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| CN (1) | CN203387417U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427669A (en) * | 2013-08-23 | 2013-12-04 | 青岛四方车辆研究所有限公司 | Vehicular converter power module |
| CN107231786A (en) * | 2017-07-27 | 2017-10-03 | 株洲中车时代电气股份有限公司 | A kind of magnetic floats control cabinet and the magnetic-levitation train of control cabinet is floated with the magnetic |
| CN108574418A (en) * | 2018-04-26 | 2018-09-25 | 中车青岛四方车辆研究所有限公司 | Draw inverter |
| CN109525125A (en) * | 2018-11-28 | 2019-03-26 | 中车青岛四方车辆研究所有限公司 | High tension battery charger power module and circuit |
-
2013
- 2013-08-23 CN CN201320520358.8U patent/CN203387417U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427669A (en) * | 2013-08-23 | 2013-12-04 | 青岛四方车辆研究所有限公司 | Vehicular converter power module |
| CN107231786A (en) * | 2017-07-27 | 2017-10-03 | 株洲中车时代电气股份有限公司 | A kind of magnetic floats control cabinet and the magnetic-levitation train of control cabinet is floated with the magnetic |
| CN108574418A (en) * | 2018-04-26 | 2018-09-25 | 中车青岛四方车辆研究所有限公司 | Draw inverter |
| CN109525125A (en) * | 2018-11-28 | 2019-03-26 | 中车青岛四方车辆研究所有限公司 | High tension battery charger power module and circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Patentee before: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20210823 |