CN202931226U - IGBT current transformer module - Google Patents
IGBT current transformer module Download PDFInfo
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- CN202931226U CN202931226U CN 201220528918 CN201220528918U CN202931226U CN 202931226 U CN202931226 U CN 202931226U CN 201220528918 CN201220528918 CN 201220528918 CN 201220528918 U CN201220528918 U CN 201220528918U CN 202931226 U CN202931226 U CN 202931226U
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- converter module
- gate driver
- water
- current transformer
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Abstract
The utility model provides an IGBT current transformer module, which is characterized in that a direct current support capacitor is removed, compared with a structural design of the direct current support capacitor, the volume of the IGBT current transformer module is reduced by more than 50%, and the weight of the IGBT current transformer module is reduced by about 40%. A water cooling radiator design can greatly enhance the heat radiation efficiency, under a specific flow velocity, a liquid coolant makes the thermal resistance of the radiator to reach an ideal value. A rapid joint design is employed for a water nozzle of the radiator, thereby a water pipe joint can be pulled out without leakage of the liquid coolant under the condition that the liquid coolant in the radiator is not discharged. A pulse distribution unit, a gate driver and a driving power supply enable layout over the module in a concentration mode, the volume of the current transformer module is reduced, the space utilization rate is increased, and the IGBT current transformer module is in favor of wiring concentration and loss reduction of signal transmission. The IGBT current transformer module can be taken as a four-quadrant pulse rectifier and a three-phase inverter general module. Through above analysis, the IGBT current transformer module has the advantages of reasonable structure design, convenient installation and maintenance, and high versatility.
Description
Technical field
The utility model relates to the power electronic equipment technical field, particularly a kind of IGBT converter module.
Background technology
The IGBT converter module is as the core component of traction convertor, to the future development of modularization, generalization, miniaturization.IGBT converter module design and application technology be current transformer core technology it
Existing IGBT converter module is designed with a support capacitor usually, this can make the design size of converter module and weight larger, it is very heavy that the IGBT converter module seems, installs, dismounting and safeguard all very inconvenient.Miniaturization and light-weight design are difficulties in the design of IGBT converter module always.
The structural design of present IGBT converter module is unreasonable.Between assembly, decentralization is large, is difficult to realize concentric wiring, connects up tediously long, increases loss and the time-delay of signal transmission; Parts are various, and assembly relation is complicated; Structure is heavy, and volume and weight is large.
And, installation and maintenance inconvenience.Present many current transformers bring very big inconvenience owing to lacking the consideration of modularization, versatility when designing to installation and maintenance.Need special equipment and instrument during maintenance, usually will dismantle a lot of other parts in order to keep in repair parts or device.So not only workload is huge, and brings for the reliability of system and bulk life time to have a strong impact on.Every dismounting once, related components or device reliability all can reduce, as the reliable plug number of times of connector regulation is arranged, it will be no longer reliable surpassing after this number the switching performance of this connector.
Component placement is unreasonable, affects electric property.Not high or the components and parts layout is unreasonable due to IGBT converter module integrated level, too disperse as not adopting low-inductance bus design or device arrangements, can cause circuit to distribute and stray inductance too large, make the electric property of whole current transformer be subject to impact.
In sum, how to provide a kind of reasonable in design, convenient for installation and maintenance, and the high IGBT converter module of versatility is those skilled in the art's technical issues that need to address.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of IGBT converter module, reasonable in design, convenient for installation and maintenance, and versatility is high.
The utility model provides a kind of IGBT converter module, comprising: water-filled radiator, IGBT element, low-inductance bus, alternating current bus bar, control box, power pack, drive installation box, pulse distribution unit, driving power and gate driver; All parts is stacked to be installed in drawer-type structure;
Described water-filled radiator is positioned at the bottom of this converter module; Described water-filled radiator uses snap joint to be connected with the water pipe of water-cooling system, is equipped with pull bar bottom water-filled radiator;
Described IGBT element evenly is arranged in the upper surface of described radiator;
Described low-inductance bus be arranged on described IGBT element directly over, be electrically connected to described IGBT element;
Described alternating current bus bar be arranged on described low-inductance bus directly over, be electrically connected to described IGBT element;
Described control box, driving box and power pack are positioned at the top of described alternating current bus bar;
The pulse distribution unit is set in described control box, sends gate driver to after process the pwm control signal of input and change described pulse distribution unit, and receive on off state and the fault-signal feedback of IGBT element;
In described power pack, driving power is set, is the gate driver power supply after driving power is changed input power;
In described driving box, described gate driver is set, described gate driver is controlled the on off state of described IGBT element.
Preferably, the anticreep bolted is adopted in electrical connection place of described low-inductance bus and current transformer main circuit.
Preferably, between every two groups of adjacent described IGBT elements, a temperature relay is set.
Preferably, on described water-filled radiator, handle is installed.
Preferably, described control box, driving box and power pack are positioned on same plane, be provided with insulating barrier between described control box, driving box and power pack and alternating current bus bar, on described water-filled radiator, pillar is installed, screw is arranged on pillar, and described control box, driving box are connected screw and are connected with described pillar with power pack.
Preferably, the signal between described pulse distribution unit and described gate driver adopts Optical Fiber Transmission.
Preferably, described low-inductance bus adopts the flexible composite bus bar of one.
Preferably, described each gate driver drives two described IGBT elements.
Preferably, the thermal conductive surface coated with thermally conductive material of described IGBT element and with described water-filled radiator close contact.
Compared with prior art, the utlity model has following advantage:
The IGBT converter module that the utility model provides has removed DC support electric capacity, compares traditional structural design with DC support electric capacity, and volume has reduced over half, and can alleviate the weight of 40% left and right.Simultaneously, the water-filled radiator design can improve radiating efficiency greatly, and cooling fluid makes heat radiator thermal resistance reach ideal value under specific flow velocity.The radiator water nozzle adopts the snap joint design, can extract water pipe head in the situation that do not discharge the radiator internal coolant, and not leak cooling fluid.Pulse distribution unit, gate driver and driving power centralized layout have reduced the converter module volume above module, improve space availability ratio, are conducive to concentric wiring and reduce the loss of signal.And this IGBT converter module can be used as four-quadrant pulse rectifier and three-phase inverter general module.By above analysis, this IGBT converter module reasonable in design, convenient for installation and maintenance, and versatility is high.
Description of drawings
Fig. 1 is the front view of the IGBT converter module that provides of the utility model;
Fig. 2 is the vertical view of the IGBT converter module that provides of the utility model;
Fig. 3 is the end view of the IGBT converter module that provides of the utility model;
Fig. 4 is the circuit diagram of the IGBT converter module that provides of the utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
The utility model embodiment provides a kind of IGBT converter module, comprising: water-filled radiator, IGBT element, low-inductance bus, alternating current bus bar, control box, power pack, drive installation box, pulse distribution unit, driving power and gate driver; All parts is stacked to be installed in drawer-type structure;
Described water-filled radiator is positioned at the bottom of this converter module; Described water-filled radiator uses snap joint to be connected with the water pipe of water-cooling system, is equipped with pull bar bottom water-filled radiator;
The effect of this pull bar is to can be used for carrying out when installing and fixing converter module, plays the effect of protection snap joint during placement.
Described IGBT element evenly is arranged in the upper surface of described radiator;
Described low-inductance bus be arranged on described IGBT element directly over, be electrically connected to described IGBT element;
Described alternating current bus bar be arranged on described low-inductance bus directly over, be electrically connected to described IGBT element;
Described control box, driving box and power pack are positioned at the top of described alternating current bus bar;
The pulse distribution unit is set in described control box, sends gate driver to after process the pwm control signal of input and change described pulse distribution unit, and receive on off state and the fault-signal feedback of IGBT element;
In described power pack, driving power is set, is the gate driver power supply after driving power is changed input power;
In described driving box, described gate driver is set, described gate driver is controlled the on off state of described IGBT element.
The IGBT converter module that the utility model provides has removed DC support electric capacity, compares traditional structural design with DC support electric capacity, and volume has reduced over half, and can alleviate the weight of 40% left and right.Simultaneously, the water-filled radiator design can improve radiating efficiency greatly, and cooling fluid makes heat radiator thermal resistance reach ideal value under specific flow velocity.The radiator water nozzle adopts the snap joint design, can extract water pipe head in the situation that do not discharge the radiator internal coolant, and not leak cooling fluid.Pulse distribution unit, gate driver and driving power centralized layout have reduced the converter module volume above module, improve space availability ratio, are conducive to concentric wiring and reduce the loss of signal.And this IGBT converter module can be used as four-quadrant pulse rectifier and three-phase inverter general module.By above analysis, this IGBT converter module reasonable in design, convenient for installation and maintenance, and versatility is high.
Different views below in conjunction with this IGBT converter module is introduced its structure in detail.
Specifically can be referring to Fig. 1-3, be respectively front view, vertical view and the end view of the IGBT converter module that the utility model provides.
Described water-filled radiator 1 is positioned at the bottom of converter module; use snap joint 11 to be connected with the water pipe of water-cooling system; water-filled radiator 1 bottom is equipped with pull bar 12, can be used for during installation carrying out and fixing converter module, plays the effect of protection snap joint 11 during placement.
Between every two groups of adjacent described IGBT elements 2, a temperature relay 13 is set, IGBT element 2 and temperature relay 13 evenly are arranged in the upper surface of water-filled radiator 1.The thermal conductive surface coated with thermally conductive material of described IGBT element 2 and with described water-filled radiator 1 close contact.When the converter module temperature overheating, temperature relay 13 opens circuit, simultaneously output alarm signal.The IGBT converter module will quit work or reduce Power operation.
In the utility model, described low-inductance bus 3 uses the flexible composite bus bar of one, is arranged on the top of IGBT element 2, is connected with IGBT element 2 conductions.
Low-inductance bus 3 uses the flexible low-inductance bus design of one, compares the Combination Design of the horizontal and vertical of converter module employing in the past rigidity low-inductance bus, and the reliability of electrical connection place is strengthened.Simultaneously low-inductance bus 3 has certain flexiblely, is convenient to assembling.
Alternating current bus bar 4 is arranged on the top of low-inductance bus 3, is connected with IGBT element 2 conductions.
Described control box 5, driving box 6 and power pack 7 are positioned on same plane, be provided with insulating barrier between described control box 5, driving box 6 and power pack 7 and alternating current bus bar 4, on described water-filled radiator 1, pillar 14 is installed, on pillar 14, screw is arranged, described control box 5, drive box 6 and are connected with power pack and are connected with described pillar 14 by screw.
Pulse distribution unit 8 is arranged in control box 5, is used for processing and the conversion of input pwm control signal, sends switch controlling signal to gate driver 10, and receives on off state and the fault-signal feedback of IGBT element 2.Signal between pulse distribution unit 8 and gate driver 10 adopts Optical Fiber Transmission.
Signal between pulse distribution unit 8 and gate driver 10 adopts Optical Fiber Transmission, with carrying out the photoelectricity isolation between control signal and the IGBT driving signal of telecommunication, has effectively solved the EMC problem that affects the normal operation of traction convertor under the complex electromagnetic environment.
Driving power 9 is arranged in power pack 6, is used for the input power conversion, gives gate driver 10 power supplies.
Gate driver 10 is arranged on and drives in box 7, and each gate driver 10 is used for driving two IGBT elements 2, and gate driver 10 is used for controlling the on off state (comprising turn-on and turn-off) of IGBT element 2, can also be used for carrying out current-limiting protection simultaneously.
Gate driver 10 has IGBT overcurrent and short-circuit protection function, can in time turn-off the IGBT element when overcurrent or short circuit appear in load, blocks simultaneously the IGBT element, and the output fault-signal.
Low-inductance bus 3 adopts anticreep bolt 15 for fastening with electrical connection place of current transformer main circuit, can effectively solve the problem that the metal connecting bolt easily drops and is difficult for looking for when the installation and removal converter module, improves maintainable.
The IGBT converter module that the present embodiment provides adopts the drawer type mounting means, in bottom design, guide rail is arranged, and will send into guide rail on IGBT converter module horizontal direction during installation, is fixed on current transformer after carrying out putting in place.Really realized the drawer type installation.
This New IGBT converter module is externally stipulated unified electric and mechanical interface, has optimized the converter module overall structure, and the interface of simplification and traction convertor main circuit is conducive to reduce manufacturing cost.
Need to prove, the IGBT converter module that the above embodiment of the utility model provides can be used as four-quadrant pulse rectifier and three-phase inverter general module.Introduce in detail the circuit theory of this IGBT converter module below in conjunction with accompanying drawing.
Referring to Fig. 4, this figure is the circuit diagram of the IGBT converter module that provides of the utility model.
Be understandable that, this IGBT converter module comprises eight IGBT elements, and the IGBT element is 4 as can see from Figure 3, and other 4 four of being shown in figure have sheltered from, so does not show in figure.
When as four-quadrant pulse rectifier, four phase brachium pontis (A and B, C and D) of this IGBT converter module are in parallel in twos.
In the present embodiment, each gate driver drives two IGBT elements, therefore, eight IGBT elements need four gate drivers, and gate driver A as shown in Figure 4, gate driver B, gate driver C and gate driver D are respectively used to drive two IGBT elements on a brachium pontis.
The pulse distribution unit sends gate driver to after the pwm control signal of input is processed and changed, and receives on off state and the fault-signal feedback of IGBT element.
After changing input power, driving power is the gate driver power supply.
When as inverter, three phase brachium pontis (A, B, C) of this IGBT converter module consist of a three-phase inverter, output three-phase VVVF voltage drives traction electric machine, another one brachium pontis (D) is as resistance braking copped wave loop, when overvoltage appears in DC loop, can discharge unnecessary energy by brake resistance by the copped wave of copped wave brachium pontis, carry out over-voltage suppression.
Therefore, this IGBT converter module satisfies four-quadrant rectifier and the design of inverter general module.The IGBT converter module is two level circuit structures, is applicable to four-quadrant pulse rectifier and three-phase inverter.
In sum, the above embodiment of the utility model provides a kind of IGBT converter module, this IGBT converter module adopts and goes Support Capacitor, anticreep bolt to connect, slide the new design such as guide rails assembling, use the new technologies such as water-filled radiator, flexible low-inductance bus, can overcome the shortcoming of existing IGBT converter module, accomplish simple for structure, good looking appearance, safe and reliable, superior performance, versatility and maintainable good can satisfy the application of the rail vehicle traction convertors such as inter-city train, motor train unit.
The above is only preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Although the utility model discloses as above with preferred embodiment, yet is not to limit the utility model.Any those of ordinary skill in the art, do not breaking away from technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present utility model.
Claims (9)
1. an IGBT converter module, is characterized in that, comprising: water-filled radiator, IGBT element, low-inductance bus, alternating current bus bar, control box, power pack, drive installation box, pulse distribution unit, driving power and gate driver; All parts is stacked to be installed in drawer-type structure;
Described water-filled radiator is positioned at the bottom of this converter module; Described water-filled radiator uses snap joint to be connected with the water pipe of water-cooling system, is equipped with pull bar bottom water-filled radiator;
Described IGBT element evenly is arranged in the upper surface of described radiator;
Described low-inductance bus be arranged on described IGBT element directly over, be electrically connected to described IGBT element;
Described alternating current bus bar be arranged on described low-inductance bus directly over, be electrically connected to described IGBT element;
Described control box, driving box and power pack are positioned at the top of described alternating current bus bar;
The pulse distribution unit is set in described control box, sends gate driver to after process the pwm control signal of input and change described pulse distribution unit, and receive on off state and the fault-signal feedback of IGBT element;
In described power pack, driving power is set, is the gate driver power supply after driving power is changed input power;
In described driving box, described gate driver is set, described gate driver is controlled the on off state of described IGBT element.
2. IGBT converter module according to claim 1, is characterized in that, the anticreep bolted is adopted in electrical connection place of described low-inductance bus and current transformer main circuit.
3. IGBT converter module according to claim 1, is characterized in that, between every two groups of adjacent described IGBT elements, a temperature relay is set.
4. IGBT converter module according to claim 1, is characterized in that, on described water-filled radiator, handle is installed.
5. IGBT converter module according to claim 1, it is characterized in that, described control box, driving box and power pack are positioned on same plane, be provided with insulating barrier between described control box, driving box and power pack and alternating current bus bar, on described water-filled radiator, pillar is installed, screw is arranged on pillar, and described control box, driving box are connected screw and are connected with described pillar with power pack.
6. IGBT converter module according to claim 1, is characterized in that, the signal between described pulse distribution unit and described gate driver adopts Optical Fiber Transmission.
7. IGBT converter module according to claim 1, is characterized in that, described low-inductance bus adopts the flexible composite bus bar of one.
8. IGBT converter module according to claim 1, is characterized in that, described each gate driver drives two described IGBT elements.
9. IGBT converter module according to claim 1, is characterized in that, the thermal conductive surface coated with thermally conductive material of described IGBT element and with described water-filled radiator close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528918 CN202931226U (en) | 2012-10-16 | 2012-10-16 | IGBT current transformer module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528918 CN202931226U (en) | 2012-10-16 | 2012-10-16 | IGBT current transformer module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931226U true CN202931226U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220528918 Expired - Lifetime CN202931226U (en) | 2012-10-16 | 2012-10-16 | IGBT current transformer module |
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| CN (1) | CN202931226U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401437A (en) * | 2013-08-12 | 2013-11-20 | 南车株洲电力机车研究所有限公司 | IGBT converter chopping module |
| CN105227032A (en) * | 2014-06-23 | 2016-01-06 | 湖北文理学院 | A kind of cooling sealing device of electric machine controller |
| CN105720835A (en) * | 2016-04-18 | 2016-06-29 | 国网山东省电力公司郓城县供电公司 | Novel inversion device adaptive to intelligent power grid requirement |
| CN106712645A (en) * | 2015-11-13 | 2017-05-24 | 南车株洲电力机车研究所有限公司 | Driver for special vehicle |
| CN105227032B (en) * | 2014-06-23 | 2018-02-09 | 湖北文理学院 | A kind of cooling sealing device of electric machine controller |
| CN110855158A (en) * | 2018-08-20 | 2020-02-28 | 中车株洲电力机车研究所有限公司 | Converter module and converter |
| CN112146813A (en) * | 2020-09-25 | 2020-12-29 | 中车长春轨道客车股份有限公司 | Leakage test testing device of traction converter IGBT module |
-
2012
- 2012-10-16 CN CN 201220528918 patent/CN202931226U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401437A (en) * | 2013-08-12 | 2013-11-20 | 南车株洲电力机车研究所有限公司 | IGBT converter chopping module |
| CN105227032A (en) * | 2014-06-23 | 2016-01-06 | 湖北文理学院 | A kind of cooling sealing device of electric machine controller |
| CN105227032B (en) * | 2014-06-23 | 2018-02-09 | 湖北文理学院 | A kind of cooling sealing device of electric machine controller |
| CN106712645A (en) * | 2015-11-13 | 2017-05-24 | 南车株洲电力机车研究所有限公司 | Driver for special vehicle |
| CN105720835A (en) * | 2016-04-18 | 2016-06-29 | 国网山东省电力公司郓城县供电公司 | Novel inversion device adaptive to intelligent power grid requirement |
| CN110855158A (en) * | 2018-08-20 | 2020-02-28 | 中车株洲电力机车研究所有限公司 | Converter module and converter |
| CN112146813A (en) * | 2020-09-25 | 2020-12-29 | 中车长春轨道客车股份有限公司 | Leakage test testing device of traction converter IGBT module |
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Granted publication date: 20130508 |
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