CN205544885U - High-voltage frequency converter power unit - Google Patents
High-voltage frequency converter power unit Download PDFInfo
- Publication number
- CN205544885U CN205544885U CN201620037243.7U CN201620037243U CN205544885U CN 205544885 U CN205544885 U CN 205544885U CN 201620037243 U CN201620037243 U CN 201620037243U CN 205544885 U CN205544885 U CN 205544885U
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- China
- Prior art keywords
- electric capacity
- row
- igbt
- radiator
- power unit
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 abstract 1
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
A high-voltage inverter power unit relates to a power unit, wherein an alternating current input bar (2) penetrates through a current transformer (1) and then is connected with a diode (3), the diode (3) is connected with the upper part of a composite busbar (4), two sides of the composite busbar (4) are respectively connected with one end of two direct current bars (6), the lower part of the composite busbar (4) is connected with an IGBT (7), an IGBT absorption capacitor (8) is arranged on the IGBT (7), and the lower part of the IGBT (7) is connected with an alternating current output bar (12); the utility model discloses an attached to the compacter of each power device design on the radiator when changing double-phase alternating current with among the prior art three-phase alternating current, make high-voltage inverter when realizing that each power device is effectively radiating, the structure becomes compacter, weight is lighter, has realized the operation reliably, maintains more convenient purpose.
Description
[technical field]
This utility model relates to a kind of power cell, particularly relates to a kind of high voltage transducer power unit。
[background technology]
Along with developing rapidly of modern power electronics technology and Computer Control Technology, Electrified Transmission is made to have started technological revolution, AC speed regulating replaces DC speed regulation, computer numerical control (CNC) replaces simulation and controls to have become development trend, ac motor speed control by variable frequency is current saves energy, improve the technological process of production, improve product quality, and improve a kind of Main Means of running environment, ac motor speed control by variable frequency is with the speed governing of its excellence and startability, high efficiency, High Power Factor and power savings, the plurality of advantages such as applied range and be known as one of the most rising mode of speed regulation both at home and abroad；In the prior art, the power cell of function opposite independent is the important component part of cascaded high-voltage frequency converter, also it is the key component realizing high-voltage frequency conversion and speed-adjusting, its heat dissipation ventilation to be considered, it is also contemplated that structure is the compactest, layout is the most reasonable, install and safeguard the factors such as the most convenient, currently, high-power high voltage converter is in heat dissipation design, it is typically all and all of power device is placed on a heat sink, thus cause radiator sufficiently bulky, the weight of numerous power devices can cause whole power cell abnormal heavy, inconvenience artificially changes maintenance.
[summary of the invention]
In order to overcome the deficiency in background technology, the open a kind of high voltage transducer power unit of this utility model, during by three-phase alternating current in prior art converts two-phase alternating current, attachment each power device design on a heat sink is compacter, high voltage converter is made to realize while each power device effectively dispels the heat, structure becomes compacter, weight is lighter, achieve reliable, safeguard purpose more easily.
For achieving the above object, this utility model adopts the following technical scheme that
nullA kind of high voltage transducer power unit，Including composite bus bar、Direct current is arranged、DC support electric capacity、Direct current connects row and radiator，It is provided with radiator base plate in the side of radiator，Exchange input row it is sequentially provided with from top to bottom in the side of radiator base plate、Current transformer、Diode、IGBT arranges with exchanging output，Described exchange input row connects with diode after current transformer，The top of described diode and composite bus bar connects，The both sides of described composite bus bar connect one end of two direct current rows respectively，The bottom of described composite bus bar connects IGBT，IGBT is provided with IGBT Absorption Capacitance，The bottom of described IGBT connects exchange output row，Opposite side at radiator is provided with electric capacity fixed plate，It is respectively equipped with DC support electric capacity in the upper and lower of electric capacity fixed plate，It is respectively equipped with electric capacity in the outer end of two DC support electric capacity and supports end plate，Abutting end at two DC support electric capacity is respectively equipped with electric capacity and supports connecting plate，Support at two electric capacity and between connecting plate, be interval with two direct currents connection rows，Described two direct currents connect row and connect the other end of two direct current rows respectively.
Described high voltage transducer power unit, is additionally provided with driving panel in the side of radiator base plate, is provided with some insulation columns driving, is respectively provided with a handle in the upper and lower, side of radiator base plate between panel and radiator base plate.
Described high voltage transducer power unit, is provided with transparent protective shield driving between outside panel two handles.
Owing to using technical scheme as above, this utility model has the advantages that
High voltage transducer power unit described in the utility model, during by three-phase alternating current in prior art converts two-phase alternating current, attachment each power device design on a heat sink is compacter, high voltage converter is made to realize while each power device effectively dispels the heat, structure becomes compacter, weight is lighter, achieve reliable, safeguard purpose more easily；This utility model solves conventional high-tension transducer power unit and is simply adhered on a heat sink by each power device, and the drawbacks such as loosely organized, floor space is big have the features such as easy to install, safety is high, energy-saving and cost-reducing.
[accompanying drawing explanation]
Fig. 1 is the perspective view that this utility model loads onto transparent protective shield；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the structural representation of radiator base plate；
Fig. 4 is the structural representation of electric capacity fixed plate.
In figure: 1, current transformer；2, exchange input row；3, diode；4, composite bus bar；5, transparent protective shield；6, direct current row；7、IGBT；8, IGBT Absorption Capacitance；9, panel is driven；10, insulation column；11, handle；12, exchange output row；13, electric capacity supports end plate；14, DC support electric capacity；15, electric capacity supports connecting plate；16, direct current connects row；17, radiator；18, electric capacity fixed plate；19, radiator base plate.
[detailed description of the invention]
Can be explained in more detail this utility model by the following examples, open the purpose of this utility model is intended to all changes and improvements in the range of protection this utility model, and this utility model is not limited to the following examples.
Detailed description of the invention
nullIn conjunction with the high voltage transducer power unit described in accompanying drawing 1～4，Including composite bus bar 4、Direct current row 6、DC support electric capacity 14、Direct current connects row 16 and radiator 17，It is provided with radiator base plate 19 in the side of radiator 17，Exchange input row 2 it is sequentially provided with from top to bottom in the side of radiator base plate 19、Current transformer 1、Diode 3、IGBT7 exports row 12 with exchanging，Described exchange input row 2 connects with diode 3 after current transformer 1，The top of described diode 3 and composite bus bar 4 connects，The both sides of described composite bus bar 4 connect one end of two direct current rows 6 respectively，The bottom of described composite bus bar 4 connects IGBT7，IGBT7 is provided with IGBT Absorption Capacitance 8，The bottom of described IGBT7 connects exchange output row 12，Driving panel 9 it is additionally provided with in the side of radiator base plate 19，It is provided with some insulation columns 10 between panel 9 and radiator base plate 19 driving，A handle 11 it is respectively provided with in the upper and lower, side of radiator base plate 19，It is provided with transparent protective shield 5 between outside panel 9 two handles 11 driving，Opposite side at radiator 17 is provided with electric capacity fixed plate 18，It is respectively equipped with DC support electric capacity 14 in the upper and lower of electric capacity fixed plate 18，It is respectively equipped with electric capacity in the outer end of two DC support electric capacity 14 and supports end plate 13，Abutting end at two DC support electric capacity 14 is respectively equipped with electric capacity and supports connecting plate 15，Support at two electric capacity and between connecting plate 15, be interval with two direct currents connection rows 16，Described two direct currents connect row 16 and connect the other end of two direct current rows 6 respectively.
Implement high voltage transducer power unit described in the utility model, in use, the alternating current of three-phase arrives diode 3 from exchange input row 2 after playing the current transformer 1 detecting AC input current effect, AC input current is rectified into direct current by the internal rectifier bridge of diode 3, DC current conveys electrical current to play the DC support electric capacity 14 of flat ripple effect by composite bus bar 4 and direct current row 6, DC current arrives IGBT7 by composite bus bar 4, DC current is converted into biphase alternating current by exchange output row 12 output by the internal half-bridge converter of IGBT7, serve the purpose that under rational layout, the alternating current of three-phase is converted into biphase alternating current.
The non-detailed portion of this utility model is prior art.
Claims (3)
- null1. a high voltage transducer power unit，It is characterized in that: include composite bus bar (4)、Direct current row (6)、DC support electric capacity (14)、Direct current connects row (16) and radiator (17)，It is provided with radiator base plate (19) in the side of radiator (17)，Exchange input row (2) it is sequentially provided with from top to bottom in the side of radiator base plate (19)、Current transformer (1)、Diode (3)、IGBT(7) with exchange output row (12)，Described exchange input row (2) connects with diode (3) afterwards through current transformer (1)，The top of described diode (3) and composite bus bar (4) connects，The both sides of described composite bus bar (4) connect one end of two direct currents row (6) respectively，The bottom of described composite bus bar (4) connects IGBT(7)，At IGBT(7) on be provided with IGBT Absorption Capacitance (8)，Described IGBT(7) bottom connect exchange output row (12)，Opposite side at radiator (17) is provided with electric capacity fixed plate (18)，It is respectively equipped with DC support electric capacity (14) in the upper and lower of electric capacity fixed plate (18)，It is respectively equipped with electric capacity in the outer end of two DC support electric capacity (14) and supports end plate (13)，Abutting end at two DC support electric capacity (14) is respectively equipped with electric capacity and supports connecting plate (15)，Support at two electric capacity and between connecting plate (15), be interval with two direct currents connection row (16)，Described two direct currents connect row (16) and connect the other end of two direct currents row (6) respectively.
- High voltage transducer power unit the most according to claim 1, it is characterized in that: be additionally provided with driving panel (9) in the side of radiator base plate (19), it is provided with some insulation columns (10) driving between panel (9) and radiator base plate (19), is respectively provided with a handle (11) in the upper and lower, side of radiator base plate (19).
- High voltage transducer power unit the most according to claim 2, is characterized in that: shake hands to be provided with transparent protective shield (5) between (11) drive panel (9) outside two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037243.7U CN205544885U (en) | 2016-01-15 | 2016-01-15 | High-voltage frequency converter power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037243.7U CN205544885U (en) | 2016-01-15 | 2016-01-15 | High-voltage frequency converter power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544885U true CN205544885U (en) | 2016-08-31 |
Family
ID=56763954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620037243.7U Expired - Fee Related CN205544885U (en) | 2016-01-15 | 2016-01-15 | High-voltage frequency converter power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490508A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | High-voltage frequency converter power unit |
-
2016
- 2016-01-15 CN CN201620037243.7U patent/CN205544885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490508A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | High-voltage frequency converter power unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |