CN203457036U - Frequency converter - Google Patents
Frequency converter Download PDFInfo
- Publication number
- CN203457036U CN203457036U CN201320573894.4U CN201320573894U CN203457036U CN 203457036 U CN203457036 U CN 203457036U CN 201320573894 U CN201320573894 U CN 201320573894U CN 203457036 U CN203457036 U CN 203457036U
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- circuit board
- radiator
- space
- frequency converter
- power circuit
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Abstract
The utility model discloses a frequency converter, and belongs to the electric power control equipment technology field. The frequency converter comprises a power circuit board, a control circuit board, a radiator, radiator fans and a cover casing, wherein the cover casing and the radiator are installed up and down in a superposition manner, and a separating plate is disposed in a cavity of the cover casing; an inner space of the cover casing is divided into a first space and a second space by the separating plate, the power circuit board is disposed in the first space, and the control circuit board is disposed in the second space; and the radiator fans at least comprise a first radiator fan installed at the rear portion of the cover casing and positioned in the first space. The frequency converter is advantageous in that heat of a traditional power module installed on a radiator can be dissipated, and heat of a bus capacitor and other components on a power circuit board which are located in one casing can also be dissipated, thereby preventing excess environment temperature of the bus capacitor and the other components on the power circuit board; and the control circuit board and the power circuit board are disposed in different layers, reliability and adaptive capacity to environment of the frequency converter are improved, and service lifetime of the frequency converter is prolonged.
Description
Technical field
The utility model belongs to electric control appliance technical field, is specifically related to a kind of frequency converter.
Background technology
Raising along with frequency converter miniaturization is required, more and more focuses on power circuit board and control circuit board etc. in a narrow space, and the heat of the generations such as bus capacitor on power circuit board and control circuit board also be can not be ignored.But existing frequency converter only payes attention to the power model on power circuit board to dispel the heat conventionally, being about to power model is arranged on radiator, with the cooling fan aligning radiator being contained on frequency converter shell, blow or exhausting again, guarantee the safe working temperature of power model; And bus capacitor and control circuit board etc. can not get dispelling the heat timely and effectively, so bus capacitor and control circuit board in the housing that exists together still there will be the too high phenomenon of ambient temperature, reduce reliability and the adaptive capacity to environment of frequency converter, even can affect the useful life of frequency converter.
In view of above-mentioned prior art, be necessary the inner mounting structure of existing frequency converter to be improved, technical scheme described below produces under such background.
Summary of the invention
The purpose of this utility model is the frequency converter that a kind of rationally distributed, compact conformation will be provided, it is except to traditional power model heat radiation being arranged on radiator, also the bus capacitor in the housing that exists together is dispelled the heat, prevent the too high phenomenon of ambient temperature of bus capacitor, control circuit board and power circuit board layering simultaneously placed, reliability and the adaptive capacity to environment of frequency converter have been increased, the useful life of having improved frequency converter.
The purpose of this utility model reaches like this, a kind of frequency converter, comprise power circuit board, control circuit board, radiator, radiator fan and case, described case and described radiator are upper and lower stacked installation, in the middle of the die cavity of described case, be provided with dividing plate, described dividing plate is separated into the inner space of case near the first space of radiator with away from the second space of radiator, described power circuit board is arranged in the first space, described control circuit board is arranged in second space, described radiator fan at least comprises the first radiator fan, the first described radiator fan is arranged on the rear portion of case and is positioned at the first space.
In a specific embodiment of the present utility model, described radiator fan also comprises the second radiator fan, and the second described radiator fan is arranged on one end of radiator, is in the same side or opposite side with the first radiator fan.
In another specific embodiment of the present utility model, described power circuit board comprises power model and bus capacitor, power circuit board is arranged in the first space by the support column being arranged on radiator, described power model is arranged on radiator and with power circuit board and is electrically connected to, and described bus capacitor is arranged on power circuit board.
In another specific embodiment of the present utility model, on the rear portion housing of described case, corresponding the first radiator fan is provided with the first ventilation fence hole, and two sides on case are provided with the second ventilation fence hole.
In another specific embodiment of the present utility model, rear portion in the first described space is provided with fan and props up part, one end that described fan props up part is arranged on radiator, and fan props up the other end of part through power circuit board, and the first described radiator fan is arranged on fan and props up on part.
The utility model is owing to adopting after said structure, the beneficial effect having: except to traditional power model heat radiation being arranged on radiator, also the bus capacitor in the housing that exists together and the miscellaneous part on power circuit board are dispelled the heat, prevent the too high phenomenon of ambient temperature of miscellaneous part on bus capacitor and power circuit board, control circuit board and power circuit board layering simultaneously placed, reliability and the adaptive capacity to environment of frequency converter have been increased, the useful life of having improved frequency converter.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model.
Fig. 2 is cutaway view of the present utility model.
Fig. 3 is rearview of the present utility model.
Fig. 4 is end view of the present utility model.
In figure: 1. power circuit board, 11. power models, 12. bus capacitors; 2. control circuit board; 3. radiator, 31. support columns; 4. radiator fan, 41. first radiator fans, 42. second radiator fans, 43. fans prop up part; 5. case, 51. dividing plates, 52. first ventilation fence holes, 53. second ventilation fence holes; 6. the first space; 7. second space.
Embodiment
In order to make the public can fully understand technical spirit of the present utility model and beneficial effect; applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, anyly according to the utility model design, changes in the form rather than substance all and should be considered as protection range of the present utility model.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model relates to a kind of frequency converter, comprises power circuit board 1, control circuit board 2, radiator 3, radiator fan 4 and case 5, and described power circuit board 1 comprises power model 11 and bus capacitor 12.
Described case 5 is upper and lower stacked installation with described radiator 3, in the middle of the die cavity of described case 5, be provided with dividing plate 51, described dividing plate 51 is separated into the inner space of case 5 near the first space 6 of radiator 3 with away from the second space 7 of radiator 5, described power circuit board 1 is arranged in the first space 6, described control circuit board 2 is arranged in second space 7, control circuit board 2 and power circuit board 1 layering placement have so just been accomplished, reliability and the adaptive capacity to environment of frequency converter have been increased, the useful life of having improved frequency converter; Described radiator fan 4 comprises the first radiator fan 41 and the second radiator fan 42, the first described radiator fan 41 is arranged on the rear portion of case 5 and is positioned at the first space 6, is mainly used in improving the heat-sinking capability to miscellaneous part on power circuit board 1 and bus capacitor 12; The second described radiator fan 42 is arranged on one end of radiator 3, be in the same side or opposite side with the first radiator fan 41, when the same side is installed, the second radiator fan 42 adopts the air draft of exhausting mode, when being installed on opposite side, the second radiator fan 42 adopts the mode air draft of blowing, is mainly used in the heat radiation to power model 11;
Further, described power circuit board 1 is arranged in the first space 6 by the support column 31 being arranged on radiator 3, power model 11 is arranged on radiator 3 and with power circuit board 1 and is electrically connected to by screw, and bus capacitor 12 is arranged on the upper surface of power circuit board 1.
Further, on the rear portion housing of described case 5, corresponding the first radiator fan 41 positions are provided with the first ventilation fence hole 52, and two sides on case 5 are provided with the second ventilation fence hole 53; The first described ventilation fence hole 52 is for discharging the hot-air in the first space 6 of case 5; The second described ventilation fence hole 53 can facilitate extraneous cold air to enter in case 5.
Further, rear portion in the first space 6 of described case 5 is provided with fan and props up part 43, one end that described fan props up part 43 is arranged on radiator 3 by screw, fan props up the other end of part 43 through power circuit board 1, the first described radiator fan 41 is fixedly mounted on fan by screw and props up on part 43, to improve the stability of fan.
Claims (5)
1.
a kind of frequency converter, it is characterized in that: comprise power circuit board (1), control circuit board (2), radiator (3), radiator fan (4) and case (5), described case (5) is upper and lower stacked installation with described radiator (3), in the middle of the die cavity of described case (5), be provided with dividing plate (51), described dividing plate (51) is separated into the inner space of case (5) near first space (6) of radiator (3) with away from the second space (7) of radiator (5), described power circuit board (1) is arranged in the first space (6), described control circuit board (2) is arranged in second space (7), described radiator fan (4) at least comprises the first radiator fan (41), described the first radiator fan (41) is arranged on the rear portion of case (5) and is positioned at the first space (6).
2.
a kind of frequency converter according to claim 1, it is characterized in that described radiator fan (4) also comprises the second radiator fan (42), described the second radiator fan (42) is arranged on one end of radiator (3), is in the same side or opposite side with the first radiator fan (41).
3.
a kind of frequency converter according to claim 1, it is characterized in that described power circuit board (1) comprises power model (11) and bus capacitor (12), power circuit board (1) is arranged in the first space (6) by the support column (31) being arranged on radiator (3), described power model (11) be arranged on radiator 3 (on) and be electrically connected to power circuit board (1), described bus capacitor (12) is arranged on power circuit board (1).
4.
a kind of frequency converter according to claim 1, on the rear portion housing of the case (5) described in it is characterized in that, corresponding the first radiator fan (41) is provided with the first ventilation fence hole (52), and two sides on case (5) are provided with the second ventilation fence hole (53).
5.
a kind of frequency converter according to claim 1, it is characterized in that interior rear portion, described the first space (6) is provided with fan and props up part (43), one end that described fan props up part (43) is arranged on radiator (3), fan props up the other end of part (43) through power circuit board (1), and described the first radiator fan (41) is arranged on fan and props up on part (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573894.4U CN203457036U (en) | 2013-09-17 | 2013-09-17 | Frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573894.4U CN203457036U (en) | 2013-09-17 | 2013-09-17 | Frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203457036U true CN203457036U (en) | 2014-02-26 |
Family
ID=50136883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320573894.4U Expired - Lifetime CN203457036U (en) | 2013-09-17 | 2013-09-17 | Frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203457036U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194686A (en) * | 2016-08-01 | 2016-12-07 | 深圳市英威腾电气股份有限公司 | The double Frequency Drive Control all-in-one of a kind of air compressor machine |
| CN106612110A (en) * | 2015-10-23 | 2017-05-03 | 扬州泰力自动化技术有限公司 | +/- 5KV high-frequency DC high voltage generator with settable output positive/negative polarity |
| CN107493680A (en) * | 2017-09-25 | 2017-12-19 | 科比传动技术（上海）有限公司 | Heat abstractor and the water pump all-in-one for including it |
| CN112689428A (en) * | 2020-12-18 | 2021-04-20 | 珠海格力电器股份有限公司 | A rack and converter for converter |
-
2013
- 2013-09-17 CN CN201320573894.4U patent/CN203457036U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612110A (en) * | 2015-10-23 | 2017-05-03 | 扬州泰力自动化技术有限公司 | +/- 5KV high-frequency DC high voltage generator with settable output positive/negative polarity |
| CN106194686A (en) * | 2016-08-01 | 2016-12-07 | 深圳市英威腾电气股份有限公司 | The double Frequency Drive Control all-in-one of a kind of air compressor machine |
| CN107493680A (en) * | 2017-09-25 | 2017-12-19 | 科比传动技术（上海）有限公司 | Heat abstractor and the water pump all-in-one for including it |
| CN112689428A (en) * | 2020-12-18 | 2021-04-20 | 珠海格力电器股份有限公司 | A rack and converter for converter |
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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: 20140226 |
|
| CX01 | Expiry of patent term |