CN202798426U - Horizontal-type structure high-voltage frequency-converter power unit - Google Patents
Horizontal-type structure high-voltage frequency-converter power unit Download PDFInfo
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- CN202798426U CN202798426U CN 201220362879 CN201220362879U CN202798426U CN 202798426 U CN202798426 U CN 202798426U CN 201220362879 CN201220362879 CN 201220362879 CN 201220362879 U CN201220362879 U CN 201220362879U CN 202798426 U CN202798426 U CN 202798426U
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Abstract
A horizontal-type structure high-voltage frequency-converter power unit is characterized in that two IGBT power modules (10) are symmetrically arranged relative to bypass controllable silicon (11) and are tightly fixed on a radiator (2), voltage equalizing resistors (12) are mounted on two sides of the two IGBT power modules (10), DC electrolysis capacitors (6) are disposed on a left side of the radiator (2) in a group manner and are carried out series group connection and parallel group connection by being connected with buses (5), that the DC electrolysis capacitors (6) and rectification diodes (1) maintain electrical connection is realized, output power terminals (3) are taken as power input of the rectification diodes (1), the DC electrolysis capacitors (6) are connected with input terminals of the IGBT power modules (10) by IGBT connection buses (8), and output terminals of the IGBT power modules (10) output toward outside of a housing (4) by output power terminals (13).
Description
Technical field
The utility model belongs to the semiconductor switch technical field, particularly a kind of horizontal type structure high voltage transducer power unit.
Background technology
The circuit topological structure of H bridge power unit is illustrated in accompanying drawing 1.The Alternating Current Power Supply of outside three-phase is via diode rectifier, become direct current ingoing power unit, and series-parallel electrolytic capacitor group charged, realize voltage stabilizing, the direct voltage of gained offers the single-phase H shape bridge inverter main circuit that is comprised of IGBT after the voltage stabilizing, inversion becomes the output voltage of given frequency, is used further to the series connection output with other power cell.The problem of at present technology existence has, and syndeton is unreasonable, economical with materials waste, the shortcomings such as assembling inconvenience.
The utility model content
The utility model is design for the multiple-level serially connected frequency converter of H bridge power unit a kind of rational in infrastructure, economical with materials waste, horizontal type structure high voltage transducer power unit easy to assembly.
The technical scheme that its technical problem that solves the utility model adopts is as follows:
A kind of horizontal type structure high voltage transducer power unit, comprise rectifier diode, radiator, input power terminal, housing, electric capacity connection bus, dc electrolysis electric capacity, bus insulating plate, IGBT connection bus, Absorption Capacitance, IGBT power model, bypass controllable silicon, grading resistor and power output terminal, wherein, two IGBT power models are about bypass controllable silicon symmetric arrays, and all closely be fixed on the radiator, two non-conterminous both sides of IGBT power model respectively are provided with a grading resistor, and dc electrolysis electric capacity is arranged in the left side of radiator in groups; The electric capacity connection bus that insulate by the use bus insulating plate carries out series and parallel connection in groups to a plurality of dc electrolysis electric capacity, and realizes that simultaneously dc electrolysis electric capacity is with the electrical connection of GBT power model and rectifier diode; As its power supply input, dc electrolysis electric capacity connects in the input of IGBT power model by the IGBT connection bus rectifier diode with the input power terminal, and the output of IGBT power model is exported outside housing by the power output terminal.
A kind of horizontal type structure high voltage transducer power unit of the utility model, wherein, the number of dc electrolysis electric capacity is 9.
A kind of horizontal type structure high voltage transducer power unit of the utility model, wherein, two concordant outputs of power output terminal.Design can be convenient to some horizontal type structure high voltage transducer power unit series connection uses like this, so that complete machine is convenient to safeguard and overall appearance.
A kind of horizontal type structure high voltage transducer power unit of the utility model, wherein, radiator is positioned at horizontal type structure high voltage transducer power unit bottom, and runs through whole horizontal type structure high voltage transducer power unit.This is convenient to H bridge complete machine is carried out heat dissipation design, avoids simultaneously the hot-fluid in the power cell to break away from the heat dissipation path that designs, and other electric component is produced cause thermal damage.
A kind of horizontal type structure high voltage transducer power unit of the utility model, wherein, dc electrolysis electric capacity vertical display, mouth is up so that it is exerted pressure.This is avoided electrolyte from mouthful leakage of exerting pressure, and prolongs its useful life; In addition, when dc electrolysis electric capacity bears overvoltage, can safety upwards discharge pressure, avoid personnel and other element are worked the mischief.
Description of drawings
Fig. 1 is the circuit topological structure figure of prior art power cell.
Fig. 2 is stereogram of the present utility model.
Embodiment
Such as Fig. 2, a kind of horizontal type structure high voltage transducer power unit, comprise rectifier diode 1, radiator 2, input power terminal 3, housing 4, electric capacity connection bus 5, nine dc electrolysis electric capacity 6, bus insulating plate 7, IGBT connection bus 8, Absorption Capacitance 9, IGBT power model 10, bypass controllable silicon 11, grading resistor 12 and power output terminal 13, it is characterized in that, two IGBT power models 10 about bypass controllable silicon 11 symmetric arrays, and all closely be fixed on the radiator 2, radiator 2 is positioned at horizontal type structure high voltage transducer power unit bottom, and runs through whole horizontal type structure high voltage transducer power unit.Two IGBT power model 10 non-conterminous both sides respectively are provided with a grading resistor 12, dc electrolysis electric capacity 6 is arranged in the left side of radiator 1 in groups, dc electrolysis electric capacity 6 vertical displays, mouth up so that it is exerted pressure, the 5 pairs of a plurality of dc electrolysis electric capacity 6 of electric capacity connection bus that insulate by use bus insulating plate 7 carry out series and parallel connection in groups, and realize that simultaneously dc electrolysis electric capacity 6 is with the electrical connection of GBT power model 10 and rectifier diode 1; Rectifier diode 1 is inputted as its power supply with input power terminal 3, dc electrolysis electric capacity 2 connects in the input of IGBT power model 10 by IGBT connection bus 8, the output of IGBT power model 10 passes through power output terminal 13 to housing 4 outer outputs, two power output terminal 13 concordant outputs.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model limited range is referring to claim, and in the situation of spirit of the present utility model, the utility model can be done any type of modification.
Claims (5)
1. horizontal type structure high voltage transducer power unit, comprise rectifier diode (1), radiator (2), input power terminal (3), housing (4), electric capacity connection bus (5), dc electrolysis electric capacity (6), bus insulating plate (7), IGBT connection bus (8), Absorption Capacitance (9), IGBT power model (10), bypass controllable silicon (11), grading resistor (12) and power output terminal (13), it is characterized in that, two IGBT power models (10) are about bypass controllable silicon (11) symmetric arrays, and all closely with fixing on the radiator (2), the non-conterminous both sides of two IGBT power models (10) respectively are provided with a grading resistor (12), and dc electrolysis electric capacity (6) is arranged in the left side of radiator (1) in groups; The electric capacity connection bus (5) that insulate by use bus insulating plate (7) carries out series and parallel connection in groups to a plurality of dc electrolysis electric capacity (6), and realizes that simultaneously dc electrolysis electric capacity (6) is with the electrical connection of GBT power model (10) and rectifier diode (1); Rectifier diode (1) is inputted as its power supply with input power terminal (3), dc electrolysis electric capacity (2) connects in the input of IGBT power model (10) by IGBT connection bus (8), and the output of IGBT power model (10) is exported outside housing (4) by power output terminal (13).
2. a kind of horizontal type structure high voltage transducer power unit as claimed in claim 1 is characterized in that, the number of dc electrolysis electric capacity (6) is 9.
3. a kind of horizontal type structure high voltage transducer power unit as claimed in claim 2 is characterized in that, the concordant output of two power output terminals (13).
4. a kind of horizontal type structure high voltage transducer power unit as claimed in claim 3 is characterized in that, described radiator (2) is positioned at horizontal type structure high voltage transducer power unit bottom, and runs through whole horizontal type structure high voltage transducer power unit.
5. a kind of horizontal type structure high voltage transducer power unit as claimed in claim 4 is characterized in that, dc electrolysis electric capacity (6) vertical display, and mouth is up so that it is exerted pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362879 CN202798426U (en) | 2012-07-25 | 2012-07-25 | Horizontal-type structure high-voltage frequency-converter power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362879 CN202798426U (en) | 2012-07-25 | 2012-07-25 | Horizontal-type structure high-voltage frequency-converter power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798426U true CN202798426U (en) | 2013-03-13 |
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ID=47825597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220362879 Expired - Lifetime CN202798426U (en) | 2012-07-25 | 2012-07-25 | Horizontal-type structure high-voltage frequency-converter power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202798426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702123A (en) * | 2015-03-23 | 2015-06-10 | 深圳市英威腾电气股份有限公司 | Main loop of three-level power unit, power unit and high voltage frequency changer |
-
2012
- 2012-07-25 CN CN 201220362879 patent/CN202798426U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702123A (en) * | 2015-03-23 | 2015-06-10 | 深圳市英威腾电气股份有限公司 | Main loop of three-level power unit, power unit and high voltage frequency changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |