CN201937450U - Middle and high voltage frequency converter with integrated structure - Google Patents
Middle and high voltage frequency converter with integrated structure Download PDFInfo
- Publication number
- CN201937450U CN201937450U CN2011200338378U CN201120033837U CN201937450U CN 201937450 U CN201937450 U CN 201937450U CN 2011200338378 U CN2011200338378 U CN 2011200338378U CN 201120033837 U CN201120033837 U CN 201120033837U CN 201937450 U CN201937450 U CN 201937450U
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- frequency conversion
- conversion power
- transformer
- power unit
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Abstract
The utility model relates to a middle and high voltage frequency converter with an integrated structure, comprising a control unit, a frequency conversion power unit, a switching unit and a transformer unit. The middle and high voltage frequency converter is characterized in that the frequency conversion power unit and the transformer unit are distributed in a transformer cabinet in a front-and-rear manner. A serial type ventilating and cooling system is arranged between the frequency conversion power unit and the transformer unit. The frequency conversion power unit adopts a drawer-type structure and comprises a plurality of power units which are vertically distributed, and each row of power units corresponds to one phase. Compared with the prior art, the middle and high voltage frequency converter has the advantages that: 1) the control unit, the frequency conversion power unit, the switching unit and the transformer unit adopt an integrated structure form, so that the structure is compact and the cost is low; 2) the frequency conversion power unit is installed in a vertical manner by adopting the drawer-type structure, so that the occupied area is reduced; 3) the power units are installed by adopting a connecting manner of fast plugging and pulling, so that the production, storage, installation, expansion and transportation of the power units are convenient; and 4) serial-type ventilation is adopted between the transformer unit and the frequency conversion power unit.
Description
Technical field
The utility model relates to mesohigh frequency converter field, relates in particular to a kind of mesohigh frequency converter of integrated structure.
Background technology
In the prior art, the switching cabinet of frequency converter, control cubicle, transformer case, frequency conversion power unit cabinet are independent cabinet, and its spatial placement form is to be arranged in order; Switching cabinet is connected by cable, control line respectively with control cubicle, transformer case, the frequency conversion power unit cabinet is connected by control line, cable respectively with control cubicle, transformer case, because the layout of existing structure, causes that line is long each other, staggered complicated, be not easy to the assembling maintenance; The blower fan heat radiation is set separately in transformer case, the frequency conversion power unit cabinet, and blower fan quantity is many, the power consumption height; And the layout that each cabinet is arranged in order makes that frequency converter overall structure volume is big, and floor space is big, the cost height, and power density is low.
Summary of the invention
The purpose of this utility model provides between a kind of compact in design, the cabinet unit line mesohigh frequency converter of integrated structure easily, and transducer power unit adopts modularized design, the drawer type rapid plug structure is convenient to production, deposit, installation, expansion, maintenance and the transportation of power cell.
For achieving the above object, the utility model is achieved through the following technical solutions:
The mesohigh frequency converter of integrated structure comprises control unit, frequency conversion power unit, switch unit, transformer unit, it is characterized in that, arranges before and after frequency conversion power unit and transformer unit are in the frequency converter cabinet.
Be provided with the tandem ventilation cooling system between described frequency conversion power unit and the transformer unit, comprise air channel and blower fan, described air channel comprises frequency conversion power unit chamber and transformer unit chamber, blower fan is arranged on bottom, transformer unit chamber, the blower fan import is connected with the frequency conversion power unit chamber, and the blower fan outlet is arranged on the transformer unit below.
Described frequency conversion power unit adopts drawer-type structure, comprises that a plurality of power cells are arranged vertically, the corresponding phase of every row.
Compared with prior art, the utility model has the advantages that:
1) control unit, frequency conversion power unit, switch unit, transformer unit adopt integrated version, are the front and rear row layout, and compact conformation, volume have only 1/3 of split type layout, and line is simple and convenient between the cabinet unit, and cost is low.
2) frequency conversion power unit adopts the drawer structure vertical mode to install, and the corresponding phase of every row reduces floor space.
3) power cell is installed and is adopted the fast insert-pull connected mode, is convenient to production reserve, installation, expansion, maintenance and the transportation of power cell, applicable to the production of different capabilities frequency converter, highly versatile.
4) adopt tandem to ventilate between transformer unit and the frequency conversion power unit, simplified cooling system.
Description of drawings
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is each cell layout's schematic diagram of the utility model;
Fig. 3 is a frequency converter cabinet back shaft side figure;
Fig. 4 is that tandem ventilation cooling system air channel flows to schematic diagram.
Among the figure: the 11-dividing plate 12-backboard 13-awning of 10-transformer unit chamber, 8-blower fan 9-frequency conversion power unit chamber, 1-control unit 2-frequency conversion power unit 3-switch unit 4-transformer unit 5-frequency converter cabinet 6-power cell 7-air channel
Embodiment
Below in conjunction with accompanying drawing technology contents of the present utility model is described in further detail.
See Fig. 1, Fig. 2, Fig. 3, it is the mesohigh frequency converter example structure schematic diagram of the integrated structure of the utility model, comprise control unit 1, frequency conversion power unit 2, switch unit 3, transformer unit 4, control unit 1 is positioned at about frequency converter cabinet 5 front portions with frequency conversion power unit 2 to be arranged; Switch element 3 and transformer unit 4 are positioned at the square layout that frequency converter cabinet 5 rear portions and controller unit 1, frequency conversion power unit 2 are the integrated structure of front and rear row.
Be close between switch unit 3 and the transformer unit 4 and be connected by cable, the next-door neighbour is connected with stub cable by the plug part between frequency conversion power unit 2 and the transformer unit 4, and line is simple and convenient between the unit, and contraction in length is significantly reduced to.Be connected by optical fiber between control unit 1 and the frequency conversion power unit 2, transfer control signal, antijamming capability is strong.
Frequency conversion power unit 2 adopts drawer-type structure, comprises a plurality of power cells 6, corresponding to three-phase three row is set altogether, power cell 6 by every phase configuration varying number, can produce the frequency converter of different capabilities, highly versatile is convenient to the production reserve and the expansion of power cell.
See Fig. 4, be that tandem ventilation cooling system air channel flows to schematic diagram, be provided with ventilation cooling system between frequency conversion power unit 2 and the transformer unit 4, comprise air channel 7 and blower fan 8, air channel 7 comprises frequency conversion power unit chamber 9 and transformer unit chamber 10, be provided with dividing plate 11 between frequency conversion power unit chamber 9 and the transformer unit chamber 10, transformer unit chamber 10 also is provided with backboard 12, blower fan 8 is arranged on 10 bottoms, transformer unit chamber, blower fan 8 imports are connected with frequency conversion power unit chamber 9, make and form negative pressure in the frequency conversion power unit chamber 9, blower fan 8 outlets are arranged on the below of transformer unit 4, make to form malleation in the transformer unit chamber 10, and air channel 7 fresh air inlets are located at 9 front portions, frequency conversion power unit chamber, wind enters transformer unit chamber 10 after passing the radiator of each power cell 6, blow to transformer unit 4, air channel 7 exhaust vents are located at 10 tops, transformer unit chamber, and the heat of frequency conversion power unit 2 and transformer unit 4 is taken away, for preventing that air channel 7 exhaust vents from advancing rain, frequency converter cabinet 5 tops are provided with awning 13.
Claims (3)
1. the mesohigh frequency converter of integrated structure comprises control unit, frequency conversion power unit, switch unit, transformer unit, it is characterized in that, arranges before and after frequency conversion power unit and transformer unit are in the frequency converter cabinet.
2. the mesohigh frequency converter of integrated structure according to claim 1, it is characterized in that, be provided with the tandem ventilation cooling system between described frequency conversion power unit and the transformer unit, comprise air channel and blower fan, described air channel comprises frequency conversion power unit chamber and transformer unit chamber, blower fan is arranged on bottom, transformer unit chamber, and the blower fan import is connected with the frequency conversion power unit chamber, and the blower fan outlet is arranged on the transformer unit below.
3. the mesohigh frequency converter of integrated structure according to claim 1 is characterized in that, described frequency conversion power unit adopts drawer-type structure, comprises that a plurality of power cells are arranged vertically, the corresponding phase of every row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200338378U CN201937450U (en) | 2011-01-31 | 2011-01-31 | Middle and high voltage frequency converter with integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200338378U CN201937450U (en) | 2011-01-31 | 2011-01-31 | Middle and high voltage frequency converter with integrated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201937450U true CN201937450U (en) | 2011-08-17 |
Family
ID=44448955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200338378U Expired - Lifetime CN201937450U (en) | 2011-01-31 | 2011-01-31 | Middle and high voltage frequency converter with integrated structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201937450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075066A (en) * | 2011-01-31 | 2011-05-25 | 荣信电力电子股份有限公司 | Medium-high voltage frequency converter with integrated structure |
| WO2013060127A1 (en) * | 2011-10-27 | 2013-05-02 | 荣信电力电子股份有限公司 | Integrated intensive svg cabinet based on multi-unit integrated drawer type power module |
-
2011
- 2011-01-31 CN CN2011200338378U patent/CN201937450U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075066A (en) * | 2011-01-31 | 2011-05-25 | 荣信电力电子股份有限公司 | Medium-high voltage frequency converter with integrated structure |
| CN102075066B (en) * | 2011-01-31 | 2012-11-28 | 荣信电力电子股份有限公司 | Medium-high voltage frequency converter with integrated structure |
| WO2013060127A1 (en) * | 2011-10-27 | 2013-05-02 | 荣信电力电子股份有限公司 | Integrated intensive svg cabinet based on multi-unit integrated drawer type power module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110817 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |