CN213602544U - High-efficient adjustable high-voltage inverter air cooling device - Google Patents
High-efficient adjustable high-voltage inverter air cooling device Download PDFInfo
- Publication number
- CN213602544U CN213602544U CN202022432317.6U CN202022432317U CN213602544U CN 213602544 U CN213602544 U CN 213602544U CN 202022432317 U CN202022432317 U CN 202022432317U CN 213602544 U CN213602544 U CN 213602544U
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- Prior art keywords
- frequency converter
- electrostatic adsorption
- air
- cooling device
- heat
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Inverter Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a high-efficiency adjustable high-voltage frequency converter air cooling device, which comprises a frequency converter case; an electric appliance element bracket is arranged in the frequency converter case; a capacitor bracket is arranged on the upper side of the electrical element bracket, and a positive pressure fan is arranged on the inner side of the bottom of the frequency converter case; a heat conducting component is arranged between the electric element bracket and the rear shell of the frequency converter case; an air duct is arranged between the positive pressure fan and the heat conducting assembly; the rear shell is provided with an electrostatic adsorption component; the electrostatic adsorption component is embedded in the air duct. The utility model discloses in, through positive pressure fan to the quick-witted incasement blast air of converter, and electrical components's heat is absorbed by heat-conducting component, and the heat on the heat-conducting component is outwards taken out to the air that flows. Meanwhile, in the process of entering the external air, the external air passes through the electrostatic adsorption plate to absorb dust and dirt carried in the air, so that the safety of the electrical elements is ensured.
Description
Technical Field
The utility model relates to an air cooling device, concretely relates to high-voltage inverter air cooling device with adjustable it is high-efficient belongs to converter technical field.
Background
The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device. With the rapid development of modern power electronic technology and microelectronic technology, high-voltage high-power variable-frequency speed regulation devices are continuously mature, and the high-voltage problem which is difficult to solve originally is solved well in recent years by device series connection or unit series connection. The high-voltage inverter can produce great heat at the operation in-process, and these heats mainly spill through the radiator fan at high-voltage inverter top, consequently can have a large amount of high-temperature gas in the radiator fan exit of high-voltage inverter, and these high-temperature gases can make the indoor temperature of high-voltage inverter that high-voltage inverter is located rise, need carry out timely cooling to the high-voltage inverter in, otherwise the phenomenon that high temperature burns out high-voltage inverter will appear. The frequency converter is cooled by adopting an air flowing mode in the conventional technology, so that external dust and impurities are easily brought into a case of the frequency converter, and the case which is completely sealed cannot exchange heat with air. After the dust is attached to electrical components (such as a bridge, a rectifier, etc.), short circuit, open fire and equipment damage are easily caused, which leads to economic loss and even threatens life safety.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, providing a high-voltage inverter air cooling device with adjustable high efficiency, simple structure, it is effectual to cool down, is difficult for bringing into impurity, and stability is high.
In order to achieve the above purpose, the utility model provides an air cooling device of a high-efficiency adjustable high-voltage frequency converter, which comprises a frequency converter case; an electric appliance element bracket is arranged in the frequency converter case; a capacitor bracket is arranged on the upper side of the electrical element bracket, and a positive pressure fan is arranged on the inner side of the bottom of the frequency converter case; a heat conducting component is arranged between the electric element bracket and the rear shell of the frequency converter case; an air duct is arranged between the positive pressure fan and the heat conducting assembly; the rear shell is provided with an electrostatic adsorption component; the electrostatic adsorption component is embedded in the air duct.
Preferably, the heat conducting assembly comprises a heat radiating plate; one side of the heat conducting component penetrates through the air duct and is contacted with the electric appliance element bracket; the main body part of the heat conduction assembly is carried on the fixed support.
Preferably, the electrostatic adsorption component is an electrostatic adsorption plate; and the air duct is provided with a mounting window relative to the electrostatic adsorption plate.
Preferably, the electrostatic adsorption plate is fixedly connected in the mounting window through a countersunk screw; the electrostatic adsorption plate is flush with the surface of the air duct.
Preferably, a negative pressure fan is arranged at the top of the frequency converter case; the air duct extends to the bottom of the capacitor support.
Preferably, the frequency converter case is provided with an assembling window relative to the negative pressure fan; and a grid air outlet is arranged on the surface of the assembling window.
Preferably, the bottom of the frequency converter case is provided with rollers.
The utility model discloses in, through positive pressure fan to the quick-witted incasement blast air of converter, and electrical components's heat is absorbed by heat-conducting component, and the heat on the heat-conducting component is outwards taken out to the air that flows. Meanwhile, in the process of entering the external air, the external air passes through the electrostatic adsorption plate to absorb dust and dirt carried in the air, so that the safety of the electrical elements is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
In the figure, 1 is a frequency converter case, 1.1 is a rear shell, 2 is an electrical component support, 3 is a capacitor support, 4 is a heat conducting component, 5 is a positive pressure fan, 6 is an air duct, 7 is an electrostatic adsorption component, and 8 is a negative pressure fan.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and obviously, the described embodiments are only a part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art
Referring to fig. 1-2, an air cooling device for a high-efficiency adjustable high-voltage inverter comprises an inverter case 1; an electrical component support 2 is arranged in the frequency converter case 1; a capacitor bracket 3 is arranged on the upper side of the electrical element bracket 2, and a positive pressure fan 5 is arranged on the inner side of the bottom of the frequency converter case 1; a heat conducting component 4 is arranged between the electric appliance element bracket 2 and the rear shell 1.1 of the frequency converter case; an air duct 6 is arranged between the positive pressure fan 5 and the heat conducting component 4; the back shell 1.1 is provided with an electrostatic adsorption component 7; the electrostatic adsorption component 7 is embedded in the air duct 6.
Further, the heat conducting assembly 4 includes a heat dissipating plate; one side of the heat conducting component 4 penetrates through the air duct and is contacted with the electric appliance element bracket 2; the main body portion of the thermally conductive assembly 4 is carried on a fixed support 8.
Specifically, in the present embodiment, the heat conducting assembly 4 is used for absorbing heat generated by the electrical component, the heat dissipating plate may be longitudinally distributed in the air duct, and the heat dissipating plate is a fin-shaped heat dissipating plate in the conventional technology, and preferably a copper heat dissipating plate with good heat conducting performance. When the heat absorption and temperature rise are carried out, the airflow generated by the positive pressure fan can take away the heat upwards. In this process, the positive pressure fan needs to absorb air from the outside of the cabinet, and impurities are inevitably introduced. And the electrostatic adsorption component can adsorb in the process of air entering the case.
Further, the electrostatic adsorption component 7 is an electrostatic adsorption plate; and the air duct 6 is provided with a mounting window relative to the electrostatic adsorption plate.
Furthermore, the electrostatic adsorption plate is fixedly connected in the mounting window through a countersunk head screw; the electrostatic adsorption plate is flush with the surface of the air duct.
Further, a negative pressure fan 8 is arranged at the top of the frequency converter case 1; the air duct 6 extends to the bottom of the capacitor support 3.
Specifically, in this embodiment, negative pressure air fan can accelerate the air flow in the machine case, and can play radiating effect to the electric capacity simultaneously.
Further, the frequency converter case 1 is provided with an assembling window relative to the negative pressure fan; and a grid air outlet is arranged on the surface of the assembling window.
Furthermore, the bottom of the frequency converter case is provided with rollers.
Finally, the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalent solutions without departing from the spirit and scope of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. An efficient adjustable air cooling device of a high-voltage frequency converter comprises a frequency converter case; an electric appliance element bracket is arranged in the frequency converter case; the electrical components support upside be provided with electric capacity support, its characterized in that: a positive pressure fan is arranged on the inner side of the bottom of the frequency converter case; a heat conducting component is arranged between the electric element bracket and the rear shell of the frequency converter case; an air duct is arranged between the positive pressure fan and the heat conducting assembly; the rear shell is provided with an electrostatic adsorption component; the electrostatic adsorption component is embedded in the air duct.
2. The air cooling device of the high-efficiency adjustable high-voltage frequency converter according to claim 1, wherein: the heat conducting component comprises a heat dissipation plate; one side of the heat conducting component penetrates through the air duct and is contacted with the electric appliance element bracket; the main body part of the heat conduction assembly is carried on the fixed support.
3. The air cooling device of the high-efficiency adjustable high-voltage frequency converter according to claim 1, wherein: the electrostatic adsorption component is an electrostatic adsorption plate; and the air duct is provided with a mounting window relative to the electrostatic adsorption plate.
4. The air cooling device of the high-efficiency adjustable high-voltage frequency converter according to claim 3, wherein: the electrostatic adsorption plate is fixedly connected in the mounting window through a countersunk screw; the electrostatic adsorption plate is flush with the surface of the air duct.
5. The air cooling device of the high-efficiency adjustable high-voltage frequency converter according to claim 1, wherein: the top of the frequency converter case is provided with a negative pressure fan; the air duct extends to the bottom of the capacitor support.
6. The air cooling device of the high-efficiency adjustable high-voltage frequency converter according to claim 5, wherein: the frequency converter case is provided with an assembly window relative to the negative pressure fan; and a grid air outlet is arranged on the surface of the assembling window.
7. The air cooling device of the high-efficiency adjustable high-voltage frequency converter according to claim 6, wherein: and the bottom of the frequency converter case is provided with rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432317.6U CN213602544U (en) | 2020-10-28 | 2020-10-28 | High-efficient adjustable high-voltage inverter air cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432317.6U CN213602544U (en) | 2020-10-28 | 2020-10-28 | High-efficient adjustable high-voltage inverter air cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213602544U true CN213602544U (en) | 2021-07-02 |
Family
ID=76592962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022432317.6U Expired - Fee Related CN213602544U (en) | 2020-10-28 | 2020-10-28 | High-efficient adjustable high-voltage inverter air cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213602544U (en) |
-
2020
- 2020-10-28 CN CN202022432317.6U patent/CN213602544U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210702 Termination date: 20211028 |