CN203722489U - High-performance IGBT low-voltage inverter - Google Patents
High-performance IGBT low-voltage inverter Download PDFInfo
- Publication number
- CN203722489U CN203722489U CN201420084896.1U CN201420084896U CN203722489U CN 203722489 U CN203722489 U CN 203722489U CN 201420084896 U CN201420084896 U CN 201420084896U CN 203722489 U CN203722489 U CN 203722489U
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- inverter
- low pressure
- inversion
- inversion unit
- performance igbt
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- 238000005452 bending Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 9
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
Disclosed is a high-performance IGBT low-voltage inverter which belongs to the technical field of semiconductor switches. The high-performance IGBT low-voltage inverter includes inverter input terminals 1, fast fuses 2, inverter front-face input shunt busbars 3, low-voltage inverting units 4, inverter output terminals 5 and a control panel 6. Each low-voltage inverting unit includes an inverting assembly 7 and a centrifugal fan 8. The advantages of the high-performance IGBT low-voltage inverter are that the inverter is compact in structure, high in power density and high in modularized degree; and each phase exists independently in the form of a low-voltage inverting unit and installation and debugging are convenient and output power is capable of meeting design demands completely.
Description
Technical field
The utility model relates to semiconductor switch field, and a kind of power-converting device is specifically provided, especially a kind of a kind of high-performance IGBT low pressure inverter being applicable in 600-1200kW power bracket.
Background technology
Low pressure inverter in the market, circuit topological structure mainly adopts orthogonal way, after direct current through the filtering of intermediate dc link, then be input to inversion module, be alternating current output by DC inverter, for controlling motor.And the structural design of low pressure inverter is varied, different topology layouts, has a great impact for circuit distributed constant, the electromagnetic interference etc. of inverter.Irrational mix designs, and not only affects the electric property of inverter, reduces efficiency of assembling, causes waste of raw materials, and causes post-production to safeguard inconvenience, also affects succinct, the aesthetic measure of entirety simultaneously.
Summary of the invention
The utility model is for above deficiency, be based on conventional orthogonal circuit topological structure, provide one simpler, optimize, reasonably inverter structure design, under the prerequisite that meets electric property, be convenient to assembly production, save material, reduce installation cost, improve processing maintenance efficiency, strengthen the overall appearance degree of inverter.
The technical scheme that the utility model solves its technical problem employing is as follows:
Plant high-performance IGBT low pressure inverter, it is characterized in that, comprise inverter input terminal, fast molten, inverter front inlet wire shunting bus, low pressure inversion unit, inverter outlet terminal, control board, its mesolow inversion unit comprises inversion assembly, centrifugal blower and module basic support part, module basic support part links into an integrated entity inversion assembly and centrifugal blower, and the air outlet of centrifugal blower is corresponding with the radiator of inversion assembly; Inverter input terminal is positioned at low pressure inverter top, is connected with fast molten appearance series connection by bus adaption with inverter front inlet wire shunting bus; Inverter front inlet wire shunting bus is connected with the input terminal of low pressure inversion unit; Inverter outlet terminal is connected with the outlet terminal of low pressure inversion unit; Control board is arranged on low pressure inverter shell left side central portion, is connected with melt soon, low pressure inversion unit etc. by cable, realizes the control to low pressure inverter; In low pressure inversion unit, inversion assembly and centrifugal blower can be extracted out from low pressure inversion unit.
Inverter front inlet wire shunting bus is input to direct current in each phase low pressure inversion unit, is converted into alternating current through low pressure inversion unit, exports by inverter outlet terminal.
A kind of high-performance IGBT low pressure inverter of the present invention, wherein, module basic support part both sides are with U-shaped groove, and centrifugal blower inserts in U-shaped groove centrifugal blower can be extracted out from low pressure inversion unit.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, inversion assembly is supported by module basic support part, insert in low pressure inverter after by forward direction on the module support of can fitting surface, wherein after module upper rail, module, guide groove contacts with inversion assembly 7 with right baffle-plate, plays left and right directions guiding and spacing effect.Realize thus the withdrawable installation of inversion assembly.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, low pressure inversion unit is 3 low pressure inversion units, and low pressure inversion unit is respectively the three-phase of low pressure inverter, and each is an independent module mutually.Adopt modularized design to reduce design kind, 3 low pressure inversion unit structures are identical, and performance is identical, has simplified design, improved the efficiency of processing and assembling.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, inversion assembly top is connected with inlet wire fixture, and inversion assembly bottom is connected with module basic support part by right baffle-plate, the lower fixture of device.Inversion assembly have up and down a fixing point, make its installation more firm.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, centrifugal blower top shakes hands to be connected with module basic support part by blower fan, centrifugal blower bottom by with blower fan under being connected and fixed of fixture.Centrifugal blower 8 have up and down a fixing point, make blower fan in running, reduce vibration.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, 3 low pressure inversion units all have respectively centrifugal blower separately to blow cooling to inversion assembly separately.Each low pressure inversion unit air channel is separate, has stopped influencing each other between each air channel, is conducive to improve the cooling effect of blower fan.The quenching mode that adopts centrifugal blower, interiors of products is malleation, prevents that extraneous dust from entering, and fan is in air inlet, and gas flow temperature is low, and centrifugal blower is relative and the air draught blower fan life-span is high.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, the outlet terminal of inverter outlet terminal and low pressure inversion unit is connection segment.This kind of connected mode is in the time that needs are extracted centrifugal blower out, only need to dismantle fixed screw and the inverter outlet terminal of centrifugal blower, do not need to dismantle the outlet terminal of low pressure inversion unit, the installation and maintenance of blower fan is simple and ensured the integrality of low pressure inversion unit like this.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, inverter input terminal, fast molten, control board are installed concentratedly in low pressure inverter left side, low pressure inversion unit is sequentially arranged in inverter right side, this kind of layout makes the more clear compactness of inverter structure, reserved extending space to control section.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, the mounting panel of control board adopts U-shaped bending up and down, can insert in the U-shaped bending of guide rail, realizes the withdrawable installation of control board.Adopt withdrawable installation that control board can side be installed, save the installing space in low pressure inverter front, and like this control board 6 wiring, safeguard more more convenient than fixed.
A kind of preferred structure of a kind of high-performance IGBT low pressure inverter of the present invention, wherein, input and output bus adopts upper entering and lower leaving design.Because input and output bus adopts upper entering and lower leaving design, enterprising mode is convenient to be connected with public direct-flow bus wire, under go out mode and be convenient to user and be connected with motor by underground cable passage, thereby minimizing bus consumption is cost-saving.
Brief description of the drawings
Fig. 1 is front view of the present utility model, and Fig. 2 is left view of the present utility model, and Fig. 3 is the axis side view that just waiting of the present utility model, and Fig. 4 is inversion assembly 7 and centrifugal blower 8 axis side view such as just while extracting out.
Embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of high-performance IGBT low pressure inverter, comprise: a kind of high-performance IGBT low pressure inverter, wherein, comprising: inverter input terminal 1, molten 2, inverter front inlet wire shunting bus 3, low pressure inversion unit 4, inverter outlet terminal 5, control board 6 soon.Inverter input terminal 1 is positioned at the top in inverter left side, is connected with fast molten 2 series connection by bus adaption with inverter front inlet wire shunting bus 3.Inverter front inlet wire shunting bus 3 is connected with the input terminal of low pressure inversion unit 4.The outlet terminal connection segment of inverter outlet terminal 5 and low pressure inversion unit 4.Control board 6 is arranged on low pressure inverter shell left side central portion, is connected with fast molten 2, low pressure inversion unit 4 etc. by cable, realizes the control to low pressure inverter.Fast molten 2, control board 6 is installed concentratedly in low pressure inverter left side.The mounting panel of control board 6 adopts U-shaped bending up and down, can insert in the U-shaped bending of guide rail 17.
Low pressure inversion unit 4 comprises inversion assembly 7, centrifugal blower 8 and module basic support part 15, and module basic support part 15 links into an integrated entity inversion assembly 7 and centrifugal blower 8, and the air outlet of centrifugal blower 8 is corresponding with the radiator of inversion assembly 7.3 low pressure inversion unit 4 structures are identical, all have respectively centrifugal blower 8 separately to blow cooling to inversion assembly 7 separately.
In low pressure inversion unit 4, inversion assembly 7 can be extracted low pressure inverter out.Inversion assembly 7 is supported by module basic support part 15, insert in low pressure inverter after by forward direction on the module of can fitting basic support part 15 surfaces, wherein after module upper rail 9, module, guide groove 10 contacts with inversion assembly 7 with right baffle-plate 11, play left and right directions guiding and spacing effect, realize thus the withdrawable installation of inversion assembly 7.In the time that inversion assembly 7 goes out to insert in low pressure inverter completely, inversion assembly 7 tops are connected with inlet wire fixture 12, and inversion assembly 7 bottoms are connected with module basic support part 15 by right baffle-plate 11, the lower fixture 16 of device, to realize the fixing of inversion assembly 7.
In low pressure inversion unit 4, centrifugal blower 8 can be extracted low pressure inverter out.In low pressure inversion unit 4, module support 15 both sides are with U-shaped groove, and centrifugal blower 8 can insert in U-shaped groove, realize withdrawable installation.In the time that centrifugal blower 8 inserts in U-shaped groove completely, centrifugal blower 8 tops shake hands 13 to be connected with module basic support part 15 by blower fan, centrifugal blower 8 bottoms by with being connected of fixture under blower fan 14, to realize the fixing of centrifugal blower 8.It is cooling that 3 low pressure inversion units 4 have respectively centrifugal blower 8 separately to blow inversion assembly 7 separately, and its air channel, unit is separate.
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 without prejudice to spirit of the present utility model in the situation that, the utility model can be done any type of amendment.
Claims (8)
1. a high-performance IGBT low pressure inverter, it is characterized in that, comprise inverter input terminal (1), fast molten (2), inverter front inlet wire shunting bus (3), low pressure inversion unit (4), inverter outlet terminal (5), control board (6), its mesolow inversion unit (4) comprises inversion assembly (7), centrifugal blower (8) and module basic support part (15), the air outlet of centrifugal blower (8) is corresponding with the radiator of inversion assembly (7), and connects by module basic support part (15); Inverter input terminal (1) is positioned at low pressure inverter top, is connected with fast molten (2) series connection by bus adaption with inverter front inlet wire shunting bus (3); Inverter front inlet wire shunting bus (3) is connected with the input terminal of low pressure inversion unit (4); Inverter outlet terminal (5) is connected with the outlet terminal of low pressure inversion unit (4); Control board (6) is arranged on low pressure inverter shell left side central portion, is connected with fast molten (2), low pressure inversion unit (4) etc. by cable; Inversion assembly (7) and centrifugal blower (8) can be extracted out from low pressure inversion unit (4).
2. a kind of high-performance IGBT low pressure inverter as claimed in claim 1, it is characterized in that, module basic support part (15) both sides are with U-shaped groove, and centrifugal blower (8) inserts in U-shaped groove centrifugal blower (8) can be extracted out from low pressure inversion unit (4).
3. a kind of high-performance IGBT low pressure inverter as claimed in claim 2, it is characterized in that, inversion assembly (7) is supported by module basic support part (15), the module of can fitting basic support part (15) surface is by inserting after forward direction in low pressure inverter, wherein after module upper rail (9), module, guide groove (10) contacts with inversion assembly (7) with right baffle-plate (11), play left and right directions guiding and spacing effect, inversion assembly (7) can be extracted out from low pressure inversion unit (4).
4. a kind of high-performance IGBT low pressure inverter as claimed in claim 3, is characterized in that, 3 low pressure inversion units (4) are respectively the three-phase of low pressure inverter, and each is an independent module mutually.
5. a kind of high-performance IGBT low pressure inverter as claimed in claim 4, is characterized in that, inverter outlet terminal (5) is connection segment with the outlet terminal of low pressure inversion unit (4).
6. a kind of high-performance IGBT low pressure inverter as claimed in claim 5, is characterized in that, inverter input terminal (1), fast molten (2), control board (6) are installed concentratedly in low pressure inverter left side.
7. a kind of high-performance IGBT low pressure inverter as claimed in claim 6, it is characterized in that, the mounting panel of control board (6) adopts U-shaped bending up and down, can insert in the U-shaped bending of two guide rails (17) that is arranged on low pressure inverter side wall of outer shell, control board (6) can be extracted out from low pressure inverter side wall of outer shell.
8. a kind of high-performance IGBT low pressure inverter as claimed in claim 7, is characterized in that, input and output bus adopts the mode of upper entering and lower leaving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084896.1U CN203722489U (en) | 2014-02-27 | 2014-02-27 | High-performance IGBT low-voltage inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084896.1U CN203722489U (en) | 2014-02-27 | 2014-02-27 | High-performance IGBT low-voltage inverter |
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| Publication Number | Publication Date |
|---|---|
| CN203722489U true CN203722489U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084896.1U Expired - Lifetime CN203722489U (en) | 2014-02-27 | 2014-02-27 | High-performance IGBT low-voltage inverter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109155592A (en) * | 2016-04-28 | 2019-01-04 | 日产自动车株式会社 | Vehicle-mounted power converting means |
-
2014
- 2014-02-27 CN CN201420084896.1U patent/CN203722489U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109155592A (en) * | 2016-04-28 | 2019-01-04 | 日产自动车株式会社 | Vehicle-mounted power converting means |
| CN109155592B (en) * | 2016-04-28 | 2021-01-01 | 日产自动车株式会社 | Vehicle-mounted power conversion device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
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| CX01 | Expiry of patent term |