CN207406509U - A kind of dry-type transformer cooling fan - Google Patents
A kind of dry-type transformer cooling fan Download PDFInfo
- Publication number
- CN207406509U CN207406509U CN201721381851.0U CN201721381851U CN207406509U CN 207406509 U CN207406509 U CN 207406509U CN 201721381851 U CN201721381851 U CN 201721381851U CN 207406509 U CN207406509 U CN 207406509U
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- CN
- China
- Prior art keywords
- plate
- housing
- air inlet
- wind
- cutting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of dry-type transformer cooling fan, the wind wheel including housing and positioned at enclosure interior；The lower end of the wind wheel is provided with arc-shaped whirlpool plate, and acoustical cotton is filled between the whirlpool plate and housing；The upper right corner of the housing is provided with wind cutting plate, and the both sides of the wind cutting plate are respectively air inlet and air outlet；The two sides of the wind cutting plate are the curved surface of indent and the inner wall of housing are arranged in inverted "eight" shape, and acoustical cotton is filled between the wind cutting plate and housing；Dust separating layer is provided on the air inlet protective plate.The dust separating layer can effectively avoid external dust or sandstone are involved in the impeller of cooling blower from air inlet, cause wheel rotation failure.The wind cutting plate can reduce the sinuous flow drop low wind noise formed between air outlet and wind cutting plate；The acoustical cotton filled between wind cutting plate and whirlpool plate and housing can further reduce the noise of fan operation generation.
Description
Technical field
The utility model is related to wind turbine more particularly to a kind of dry-type transformer cooling fans.
Background technology
Dry-type power transformer at work, can generate substantial amounts of heat, and cooling blower is usually used at present to dry type
Transformer cools down, and the use of cooling blower can improve the output power 40-50% of dry-type transformer, so as to significantly
It improves the bearing capacity of dry-type transformer and extends the service life of dry-type transformer, domestic and international producer generally uses
Most economical effective manner.But the defects of dry-type transformer cooling fan generally existing noise of the prior art is big.It is in addition, existing
There is the cooling blower air inlet in technology to be not provided with dust-separation device, easily have in the process of running the sandstone of dust or fritter from
Air inlet is involved in inside the wind wheel of cooling blower, causes cooling blower operation troubles.
Utility model content
The purpose of this utility model is to overcome above deficiencies, provide a kind of dry-type transformer cooling fan, described
Cooling blower can solve the problem of that dry become of the prior art cools down the big no dust-separation device of fan operation noise.
The utility model provides a kind of dry-type transformer cooling fan, the wind wheel including housing and positioned at enclosure interior；Institute
The both ends for stating housing are connected to preceding fixed connecting plate and rear fixed connecting plate；The wind wheel is by preceding fixed connecting plate with after
Fixed connecting plate is fixed；Motor is provided on the preceding fixed connecting plate；The air inlet of wind wheel is provided on the housing and is gone out
Air port；Air inlet protective plate is provided on the air inlet；Air outlet protective plate is provided on the air outlet；The wind wheel
Lower end is provided with arc-shaped whirlpool plate, and acoustical cotton is filled between the whirlpool plate and housing；The upper right corner of the housing is provided with
Wind cutting plate, the both sides of the wind cutting plate are respectively air inlet and air outlet；The two sides of the wind cutting plate for indent curved surface simultaneously
The inner wall of housing is arranged in inverted "eight" shape, acoustical cotton is filled between the wind cutting plate and housing；The air inlet protection
Dust separating layer is provided on plate.
It is preferred that the lower end of the two sides of the wind cutting plate is connected using round and smooth curved surface.
It is preferred that the vertical range between the whirlpool plate and wind wheel becomes larger from air inlet to air outlet.
It is preferred that it is to be detachably connected between the dust separating layer and air inlet protective plate.Routine can be used in the dust separating layer
Aperture plastic wire or Ventilate cloth be made, dust separating layer is connected to by dismountable mode on air inlet protective plate, it is fixed
Phase replaces dust separating layer, can effectively avoid external dust or sandstone are involved in the impeller of cooling blower from air inlet, cause impeller
Rotate failure.
It is preferred that it is bolted between the dust separating layer and air inlet protective plate.
It is preferred that several equally distributed strip holes are provided on the air inlet protective plate.
Compared with prior art, the advantageous effects of the utility model are：The utility model sets dust-separation in air inlet
Layer, can effectively avoid external dust or sandstone are involved in the impeller of cooling blower from air inlet, cause wheel rotation failure.It is logical
The wind cutting plate that setting is made of smooth curved surface between air inlet and air outlet is crossed, shape between air outlet and wind cutting plate can be reduced
Into sinuous flow drop low wind noise；The acoustical cotton filled between wind cutting plate and whirlpool plate and housing can further reduce fan operation generation
Noise.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the top view of Fig. 1；
In figure：1- housings；Fixed connecting plate before 2-；Fixed connecting plate after 3-；4- wind wheels；5- air inlets；6- air outlets；7-
Dust separating layer；8- wind cutting plates；9- whirlpools plate；10- strip holes；11- motors；12- air inlet protective plates；13- air outlet protective plates.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of dry-type transformer cooling fan, including housing 1 and positioned at housing 1
Internal wind wheel 4；The both ends of the housing 1 are connected to preceding fixed connecting plate 2 and rear fixed connecting plate 3；The wind wheel 4 is logical
It crosses preceding fixed connecting plate 2 and rear fixed connecting plate 3 is fixed；Motor 11 is provided on the preceding fixed connecting plate 2；The housing 1
On be provided with the air inlet 5 of wind wheel 4 and air outlet 6；Air inlet protective plate 12 is provided on the air inlet 5；The air inlet
Several equally distributed strip holes 10 are provided on protective plate 12；Air outlet protective plate 13 is provided on the air outlet 6；Institute
The lower end for stating wind wheel 4 is provided with arc-shaped whirlpool plate 9, and the vertical range between the whirlpool plate 9 and wind wheel 4 is from air inlet 5 to going out
Air port 6 becomes larger；Acoustical cotton is filled between the whirlpool plate 9 and housing 1；The upper right corner of the housing 1 is provided with wind cutting plate
8, the both sides of the wind cutting plate 8 are respectively air inlet 5 and air outlet 6；The two sides of the wind cutting plate 8 for indent curved surface and with
Herringbone is arranged in the inner wall of housing 1, and the lower end of the two sides of the wind cutting plate 8 is connected using round and smooth curved surface；It is described to cut
Acoustical cotton is filled between aerofoil 8 and housing 1；Dust separating layer 7 is provided on the air inlet protective plate 12；The dust separating layer 7 with
It is bolted between air inlet protective plate 12.
Compared with prior art, the advantageous effects of the utility model are：The utility model sets dust-separation in air inlet
Layer, can effectively avoid external dust or sandstone are involved in the impeller of cooling blower from air inlet, cause wheel rotation failure.It is logical
The wind cutting plate that setting is made of smooth curved surface between air inlet and air outlet is crossed, shape between air outlet and wind cutting plate can be reduced
Into sinuous flow drop low wind noise；The acoustical cotton filled between wind cutting plate and whirlpool plate and housing can further reduce fan operation generation
Noise.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of dry-type transformer cooling fan, which is characterized in that including housing (1) and positioned at the internal wind wheel of housing (1)
(4)；The both ends of the housing (1) are connected to preceding fixed connecting plate (2) and rear fixed connecting plate (3)；The wind wheel (4) is logical
It crosses preceding fixed connecting plate (2) and rear fixed connecting plate (3) is fixed；Motor (11) is provided on the preceding fixed connecting plate (2)；Institute
It states and the air inlet (5) of wind wheel (4) and air outlet (6) is provided on housing (1)；Air inlet is provided on the air inlet (5) to prevent
Backplate (12)；Air outlet protective plate (13) is provided on the air outlet (6)；The lower end of the wind wheel (4) is provided with arc-shaped
Whirlpool plate (9), between the whirlpool plate (9) and housing (1) be filled with acoustical cotton；The upper right corner of the housing (1) is provided with wind cutting
Plate (8), the both sides of the wind cutting plate (8) are respectively air inlet (5) and air outlet (6)；The two sides of the wind cutting plate (8) are interior
Recessed curved surface is simultaneously arranged in the inner wall of housing (1) with herringbone, and sound-absorbing is filled between the wind cutting plate (8) and housing (1)
Cotton；Dust separating layer (7) is provided on the air inlet protective plate (12).
2. dry-type transformer cooling fan according to claim 1, which is characterized in that the two sides of the wind cutting plate (8)
Lower end connected using round and smooth curved surface.
3. dry-type transformer cooling fan according to claim 1, which is characterized in that the whirlpool plate (9) and wind wheel (4) it
Between vertical range become larger from air inlet (5) to air outlet (6).
4. dry-type transformer cooling fan according to claim 1, which is characterized in that the dust separating layer (7) and air inlet
It is to be detachably connected between protective plate (12).
5. dry-type transformer cooling fan according to claim 1, which is characterized in that the dust separating layer (7) and air inlet
Protective plate is bolted between (12).
6. dry-type transformer cooling fan according to claim 1, which is characterized in that on the air inlet protective plate (12)
It is provided with several equally distributed strip holes (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381851.0U CN207406509U (en) | 2017-10-23 | 2017-10-23 | A kind of dry-type transformer cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381851.0U CN207406509U (en) | 2017-10-23 | 2017-10-23 | A kind of dry-type transformer cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406509U true CN207406509U (en) | 2018-05-25 |
Family
ID=62408715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721381851.0U Expired - Fee Related CN207406509U (en) | 2017-10-23 | 2017-10-23 | A kind of dry-type transformer cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848156A (en) * | 2019-11-13 | 2020-02-28 | 徐州如轩电气配件有限公司 | Dry-type variable air blower and rapid assembly method thereof |
-
2017
- 2017-10-23 CN CN201721381851.0U patent/CN207406509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848156A (en) * | 2019-11-13 | 2020-02-28 | 徐州如轩电气配件有限公司 | Dry-type variable air blower and rapid assembly method thereof |
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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 |
Granted publication date: 20180525 Termination date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |