CN218183798U - Three-phase high-voltage power supply for bag-type dust removal pre-charging - Google Patents
Three-phase high-voltage power supply for bag-type dust removal pre-charging Download PDFInfo
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- CN218183798U CN218183798U CN202221679126.2U CN202221679126U CN218183798U CN 218183798 U CN218183798 U CN 218183798U CN 202221679126 U CN202221679126 U CN 202221679126U CN 218183798 U CN218183798 U CN 218183798U
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Abstract
The utility model discloses a three-phase high voltage power supply for cloth bag dust removal precharge, including IGBT module, heat dissipation backplate and deashing heat dissipation assembly, the IGBT module is fixed on the heat dissipation backplate through the locating part, set up heat conduction copper tablet on the IGBT module and be connected with the heat dissipation backplate, deashing heat dissipation assembly includes deashing board, drive assembly and fan blade, the deashing board is fixed to be set up in the drive assembly tip, be provided with rack and gear meshing transmission on the deashing board, the gear drives the fan blade rotates and blows the heat dissipation backplate and dispels the heat, cleans the dust on the heat dissipation backplate through the deashing board of vertical activity, can avoid the not good scheduling problem of radiating effect that leads to the fact because of the dust is piled up; the dust cleaning plate drives the fan blades to rotate while moving, so that the heat dissipation effect can be increased on one hand, and the scraped dust can be blown off on the other hand; the design of guide plate can be when the fan blade blows out the wind and blow the region of deashing board lower part simultaneously, and the radiating effect is better.
Description
Technical Field
The utility model belongs to the technical field of power supply unit and specifically relates to a three-phase high voltage power supply is used to sack dust removal electricity in advance.
Background
When the high-frequency power supply works in a full-frequency and full-power state for a long time, the temperature of the IGBT is very high, particularly in a high-temperature season, the temperature rise of the IGBT can reach more than 90 ℃, the failure rate of an IGBT module can be increased after the high-frequency power supply works for a long time, and the service life of the module is shortened. Under the premise that the load is small and the emission is not influenced, in order to ensure that a high-frequency power supply stably and well works, a coal-fired power plant adopts a frequency reduction measure, so that the dust removal efficiency is reduced.
For example, patent No. CN208460749U discloses a high-frequency power supply IGBT heat dissipation structure for electric dust removal, which only transfers the heat generated by the IGBT to a heat sink, and the heat dissipation ribs on the back have a larger contact area with the air to realize natural cooling.
However, in some areas, the air is moist, and dust is not easy to fall off and accumulate when attached to the heat dissipation ribs, so that the heat dissipation effect of the radiator is reduced sharply, and the production requirements cannot be met.
Disclosure of Invention
The utility model provides a three-phase high voltage power supply is used to sack dust removal electricity in advance to prior art's is not enough, the utility model provides a to solve above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a sack removes dust three-phase high voltage power supply for electric in advance, includes IGBT module, heat dissipation backplate and deashing radiator unit, the IGBT module passes through the locating part to be fixed on the heat dissipation backplate, set up heat conduction copper tablet on the IGBT module with the heat dissipation backplate is connected, deashing radiator unit includes deashing board, drive assembly and fan blade, the deashing board is fixed to be set up the drive assembly tip, be provided with rack and gear engagement transmission on the deashing board, the gear drives the fan blade rotates and bloies the heat dissipation to the heat dissipation backplate.
In the above technical scheme, further, the heat dissipation backplate is provided with a plurality of heat dissipation ribs, and the deashing plate is provided with a plurality of deashing convex parts which longitudinally slide between the heat dissipation ribs.
In the above technical scheme, furthermore, an ash falling cavity is arranged in the middle of the ash removing convex part, the ash falling cavity is a through hole, and one side of the ash falling cavity, which is close to the heat dissipation back plate, is provided with the guide chute.
In the above technical scheme, further, a guide plate is arranged at the bottom of the dust removing plate.
In the above technical solution, further, the heat dissipation back plate is disposed between the upper cover plate and the lower top plate, the upper cover plate is connected with the lower top plate through the guide posts, and the dust removing plate is slidably disposed on the guide posts.
In the above technical scheme, further, an air guide cover is arranged on the upper cover plate, one end of the air guide cover is connected with the heat dissipation back plate, and the other end of the air guide cover is used for wind blade rotation air inlet.
In the above technical scheme, further, be provided with the supporting seat on the upper cover plate, the supporting seat rotates and is provided with the rotation axis, the gear reaches the fan blade is fixed to be set up in the rotation axis.
The beneficial effects of the utility model are that: 1. the dust on the heat dissipation back plate is cleaned through the longitudinally movable dust cleaning plate, so that the problems of poor heat dissipation effect and the like caused by dust accumulation can be solved; 2. the dust cleaning plate drives the fan blades to rotate while moving, so that the heat dissipation effect can be increased, and the scraped dust can be blown off; 3. the design of guide plate can be the time the wind that the fan blade blew out simultaneously blow the region of deashing board lower part, and the radiating effect is better.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a state diagram of a vertical surface of the present invention.
Fig. 2 is a schematic structural view of the back of fig. 1 according to the present invention.
Fig. 3 is a schematic diagram of the internal structure of fig. 1 according to the present invention.
In the figure, 1, an IGBT module, 11, a heat conducting copper plate, 2, a heat dissipation back plate, 21, a heat dissipation rib, 3, an ash removal heat dissipation component, 31, an ash removal plate, 311, an ash removal convex part, 312, an ash falling cavity, 313, a guide chute, 314, a guide plate, 32, a driving component, 33, a fan blade, 34, an air guide cover, 35, a gear, 36, a rack, 4, an upper cover plate, 41, a supporting seat, 5, a lower top plate and 6 guide columns.
Detailed Description
Referring to fig. 1-3, a three-phase high-voltage power supply for cloth bag dust removal pre-charging comprises an IGBT module, a heat dissipation back plate 2 and an ash removal heat dissipation assembly 3, wherein the IGBT module is fixed on the heat dissipation back plate 2 through a limiting piece, a heat conduction copper plate 11 is arranged on the IGBT module and connected with the heat dissipation back plate 2, the ash removal heat dissipation assembly 3 comprises an ash removal plate 31, a driving assembly 32 and fan blades 33, the ash removal plate 31 is fixedly arranged at the end of the driving assembly 32, a rack 36 and a gear 35 are arranged on the ash removal plate 31 in a meshing transmission mode, and the gear 35 drives the fan blades 33 to rotate and blow air to dissipate heat of the heat dissipation back plate 2.
In order to improve the heat dissipation effect and increase the heat dissipation area, the heat dissipation back plate 2 is provided with a plurality of heat dissipation ribs 21.
In order to remove dust on the heat dissipation ribs 21, the dust removing plate 31 is provided with a plurality of dust removing convex parts 311 which longitudinally slide between the heat dissipation ribs 21, the heat dissipation back plate 2 is arranged between the upper cover plate 4 and the lower top plate 5, the upper cover plate 4 is connected with the lower top plate 5 through the guide posts 6, and the dust removing plate 31 is slidably arranged on the guide posts 6.
In order to prevent dust from accumulating on the dust cleaning plate 31, a dust falling cavity 312 is arranged in the middle of the dust cleaning convex part 311, the dust falling cavity 312 is a through hole, and the dust falling cavity 312 is arranged to the guide chute 313 at the side close to the heat dissipation back plate 2.
In order to make the bottom area of the dust removing plate 31 also be blown by wind, the bottom of the dust removing plate 31 is provided with a guide plate 314, so that the wind is guided by the guide chute 313 to be blown outwards, and the guide plate 314 guides the wind outwards back inwards to make the bottom area of the dust removing plate 31 also be blown by wind.
In order to improve the heat dissipation effect, the upper cover plate 4 is provided with a support base 41, the support base 41 is rotatably provided with a rotating shaft, the gear 35 and the fan blade 33 are fixedly arranged on the rotating shaft, the upper cover plate 4 is provided with an air guide cover 34, one end of the air guide cover 34 is connected with the heat dissipation back plate 2, and the other end of the air guide cover is used for rotary air intake of the fan blade 33.
According to the design, the dust on the heat dissipation back plate is cleaned through the longitudinally movable dust cleaning plate, so that the problems of poor heat dissipation effect and the like caused by dust accumulation can be solved; the dust cleaning plate drives the fan blades to rotate while moving, so that the heat dissipation effect can be increased, and the scraped dust can be blown off; the design of guide plate can be the time the wind that the fan blade blew out simultaneously blow the region of deashing board lower part, and the radiating effect is better.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and the present invention is not departed from the technical solution of the present invention, and the made simple modification, equivalent change or modification all fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a sack removes three-phase high voltage power supply for charge in advance, includes IGBT module, heat dissipation backplate and deashing radiator unit, the IGBT module passes through the locating part to be fixed on the heat dissipation backplate, set up heat conduction copper tablet on the IGBT module with the heat dissipation backplate is connected, its characterized in that, deashing radiator unit includes deashing board, drive assembly and fan blade, the deashing board is fixed to be set up the drive assembly tip, be provided with rack and gear engagement transmission on the deashing board, the gear drives the fan blade rotates and bloies the heat dissipation to the heat dissipation backplate.
2. The three-phase high-voltage power supply for the bag-type dust removal precharge of claim 1, wherein the heat dissipation back plate is provided with a plurality of heat dissipation ribs, and the ash removal plate is provided with a plurality of ash removal protrusions which longitudinally slide between the heat dissipation ribs.
3. The three-phase high-voltage power supply for the bag-type dust removal pre-charging as claimed in claim 2, wherein an ash falling cavity is arranged in the middle of the ash removal convex part, the ash falling cavity is a through hole, and a guide chute is arranged at one side of the ash falling cavity, which is close to the heat dissipation back plate.
4. The three-phase high-voltage power supply for bag-type dust removal pre-charging as claimed in claim 3, wherein a flow guide plate is arranged at the bottom of the ash cleaning plate.
5. The three-phase high-voltage power supply for bag-type dust removal pre-charging as claimed in claim 1, wherein the heat dissipation back plate is arranged between an upper cover plate and a lower top plate, the upper cover plate is connected with the lower top plate through a guide post, and the ash removal plate is slidably arranged on the guide post.
6. The three-phase high-voltage power supply for the bag-type dust removal pre-charging of claim 5, wherein an air guide cover is arranged on the upper cover plate, one end of the air guide cover is connected with the heat dissipation back plate, and the other end of the air guide cover is used for wind blade rotation air inlet.
7. The three-phase high-voltage power supply for bag-type dust removal precharge of claim 6, wherein the upper cover plate is provided with a support seat, the support seat is rotatably provided with a rotating shaft, and the gear and the fan blade are fixedly arranged on the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679126.2U CN218183798U (en) | 2022-07-01 | 2022-07-01 | Three-phase high-voltage power supply for bag-type dust removal pre-charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679126.2U CN218183798U (en) | 2022-07-01 | 2022-07-01 | Three-phase high-voltage power supply for bag-type dust removal pre-charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218183798U true CN218183798U (en) | 2022-12-30 |
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ID=84610731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221679126.2U Active CN218183798U (en) | 2022-07-01 | 2022-07-01 | Three-phase high-voltage power supply for bag-type dust removal pre-charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218183798U (en) |
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2022
- 2022-07-01 CN CN202221679126.2U patent/CN218183798U/en active Active
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