CN110067761B - Dust removal fan - Google Patents
Dust removal fan Download PDFInfo
- Publication number
- CN110067761B CN110067761B CN201910375290.0A CN201910375290A CN110067761B CN 110067761 B CN110067761 B CN 110067761B CN 201910375290 A CN201910375290 A CN 201910375290A CN 110067761 B CN110067761 B CN 110067761B
- Authority
- CN
- China
- Prior art keywords
- dust removing
- side wall
- shell
- fan
- dust
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 98
- 239000011324 bead Substances 0.000 description 21
- 238000007664 blowing Methods 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a dust removing fan, which comprises a shell and fan blades, wherein the fan blades can be rotatably arranged in the shell, a plurality of blades inclined in the same direction are formed on the outer side wall of the circumference of the fan blades, a dust removing hole is formed on the side wall of the shell, the dust removing hole can communicate the inside and the outside of the shell, a wind shield is further arranged on the side wall of the shell, and can open or close the dust removing hole.
Description
Technical Field
The present disclosure relates to fans, and particularly to a dust removing fan.
Background
The blower fan is generally fixed in direction, as shown in fig. 1 as a counter-clockwise running fan. The fan keeps running in one direction for a long time, dust is easy to accumulate, the accumulated dust can cause the weight increase and the power consumption increase of the fan blades, the air quantity is reduced, and the service life of the fan and the heat dissipation of a system are influenced.
Disclosure of Invention
In order to overcome the above-mentioned defect, the present invention provides a dust removing fan, and the dust can be stirred and discharged from the dust removing hole when the dust removing fan is operated in the opposite direction, so as to realize the effect of automatically removing dust of the fan.
The invention aims to solve the technical problems, and adopts the technical scheme that the dust removing fan comprises a shell and fan blades, wherein the fan blades can be rotatably arranged in the shell, a plurality of blades inclining in the same direction are formed on the outer side wall of the circumference of the fan blades, a dust removing hole is formed on the side wall of the shell, the dust removing hole can communicate the inside and the outside of the shell, a wind shield is further arranged on the side wall of the shell, and the wind shield can open or close the dust removing hole.
As a further improvement of the invention, the wind shield is hinged on the side wall of the dust removing hole, and the wind shield can rotate around the hinge shaft of the wind shield towards the inner side of the shell by a set angle.
As a further improvement of the invention, a limit stop wall is formed on the side wall of the inner side of the shell, which is positioned on one side of the dust removing hole, and can stop on the surface of the side wall of the wind shield, which faces the inner side of the shell.
As a further development of the invention, the limit stop wall is formed with a bevel which can be exactly flush with the wind deflector side wall.
As a further improvement of the invention, a side wall of the wind shield facing the inside of the shell is provided with a convex part protruding from the side wall of the shell by a set distance.
As a further improvement of the invention, the side wall of the wind shield facing the inside of the shell is a slope with an included angle with the side wall facing the outside of the shell, one end of the slope, which is close to the hinge shaft, can be aligned and connected with the inner side wall of the shell, and a set distance exists between the end, which is far away from the hinge shaft, of the slope and the inner side wall of the shell.
As a further improvement of the invention, the end of the wind shield away from the hinge shaft is contacted with the side wall of the dust removing hole on the side wall of the shell through a bevel.
As a further improvement of the invention, the invention is also provided with a baffle driving device and a control module, wherein the driving device can drive the wind shield to move to close the dust removing hole or separate from the dust removing hole, and the control module controls the driving device to work and the fan main shaft to turn.
As a further improvement of the invention, the driving device is a servo motor, and the servo motor drives the wind shield to rotate.
As a further development of the invention, a dust sensor is also provided in the fan housing, which dust sensor is signaled to the control module.
The invention has the advantages that the dust removing hole is formed on the side wall of the shell of the fan, the wind shield is hinged on the side wall of the dust removing hole, when the fan rotates normally, the wind shield closes the dust removing hole under the pushing of compressed air, so that the air quantity of the fan under the normal working condition is not reduced due to the increase of the dust removing function, when the fan rotates reversely, the bulge part of the wind shield rotates a certain angle towards the inner side of the shell to open the dust removing hole under the blowing of the compressed air, and the reversely-operated and stirred dust is discharged from the dust removing hole under the blowing of the compressed air, so that the automatic cleaning of the fan is realized.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the airflow direction during normal operation of the fan;
FIG. 3 is a perspective view showing an opened state of a dust removing hole according to the present invention;
FIG. 4 is a front view showing the opening of the dust removing hole of the present invention;
FIG. 5 is a perspective view showing a dust removing hole in a closed state according to the present invention;
FIG. 6 is a front view showing a dust removing hole in a closed state according to the present invention;
FIG. 7 is a schematic view of the direction of airflow during dust removal according to the present invention.
Detailed Description
The embodiment of the dust removing fan comprises a shell 1 and fan blades 2, wherein the fan blades 2 can be rotatably arranged in the shell 1, a plurality of blades 3 which incline in the same direction are formed on the outer side wall of the circumference of the fan blades 2, a dust removing hole 4 is formed on the side wall of the shell 1, the dust removing hole 4 can communicate the inside and the outside of the shell 1, a wind shield 5 is further arranged on the side wall of the shell 1, and the wind shield 5 can open or close the dust removing hole 4.
When the fan is in normal operation, the wind shield 5 closes the dust removing hole 4, so that the air quantity of the fan is not reduced due to the addition of the dust removing function under the normal working condition, when the fan is in dust removal, the wind shield 5 is separated from the dust removing hole 4 to open the dust removing hole 4, and the dust stirred by the reverse operation of the fan is discharged from the dust removing hole 4 under the blowing of the compressed air in the reverse operation, so that the automatic cleaning of the fan is realized, the dust accumulation in the fan is avoided, the fan is facilitated to maintain stable air quantity, and the heat radiation effect of the fan is improved.
The wind shield 5 is hinged on the side wall of the dust removing hole 4, and the wind shield 5 can rotate around the hinge shaft towards the inner side of the shell 1 by a set angle. The dust removing hole 4 is opened or closed by the rotation of the wind shield 5 around the hinge shaft 6, when the wind shield 5 rotates a certain angle towards the inside of the fan, the dust removing hole 4 is opened, a blocking guide structure is formed through the wind shield 5, which can block the dust to circularly flow in the fan housing 1, guide the dust to the dust removing hole 4, and the dust is discharged to the outside of the fan housing 1 through the dust removing hole 4.
The side wall of the inner side of the shell, which is positioned at one side of the dust removing hole 4, is provided with a limit stop wall 7 which can stop on the surface of the side wall of the wind shield 5 facing the inner side of the shell. Through limit stop wall 7 restriction deep bead 5 towards the inside pivoted angle of fan, when guaranteeing that deep bead 5 rotates extreme position towards the fan inside, there is certain clearance B with between the blade 3 of flabellum 2, avoid interfering the rotation of flabellum 2, simultaneously, it keeps certain opening angle, just can fully block the interior dust flow of shell 1 to with dust guide dust removal hole 4.
The limit stop wall 7 is formed with an inclined surface which can be just flatly attached to the side wall of the wind deflector 5. Through the smooth contact of inclined plane and deep bead 5, avoid the two to take place the card when deep bead 5 is opened and put, optimally form the semicircle face at the articulated end of deep bead 5, form the cladding in the arc face of deep bead 5 root at limit stop wall 7 root, deep bead 5 contact gradually and lay flat to on the inclined plane of limit stop wall 7 at pivoted in-process, form the striking with limit stop wall 7 when avoiding deep bead 5 to open, avoid producing the noise.
The wind deflector 5 is provided with a bulge protruding from the side wall of the shell by a set distance on the side wall facing the inside of the shell. The fan reverses, and the bellying of deep bead 5 makes deep bead 5 to the inboard certain angle of rotation of shell 1 open dust removal hole 4 under compressed air's blowing, realizes the effect of fan reversal automatic opening dust removal hole 4.
The side wall of the wind shield 5 facing the inside of the shell is an inclined surface with an included angle with the side wall facing the outside of the shell, one end of the inclined surface, which is close to the hinge shaft, can be aligned and connected with the inner side wall of the shell, and a set distance A exists between one end, which is far away from the hinge shaft, of the inclined surface and the inner side wall of the shell. Through the inclined plane setting of deep bead 5, make deep bead 5 tip thickness increase, deep bead 5 is unanimous towards articulated shaft one end thickness and shell 1 lateral wall thickness, and when deep bead 5 was closed, its end and shell 1 inboard align to link up, and the deep bead 5 other end then protrudes in shell 1 inside wall certain distance, forms a protruding structure, and this structure can not cause the blocking to the fan air current when fan normal operating, guarantees that air current flow is normal, and when fan dust removal, reverse air current can open deep bead 5 again fast.
One end of the wind shield 5 far away from the hinge shaft is contacted with the side wall of the dust removing hole 4 on the side wall of the shell 1 through an inclined plane. The deep bead 5 passes through the inclined plane contact with the dust removal hole 4 lateral wall, is favorable to guaranteeing that deep bead 5 fully closes dust removal hole 4, and both can not take place the card simultaneously and put, and through, deep bead 5 tip forms the inclined plane, and deep bead 5 tip forms sharp angle structure 8 towards fan housing 1 inside one side, and this structure forms powerful thrust in the clearance between this sharp angle structure and the housing 1 lateral wall of high-pressure air flow entering when removing dust, opens deep bead 5 fast.
The device is also provided with a baffle driving device and a control module, wherein the driving device can drive the wind shield 5 to move to seal the dust removing hole 4 or separate from the dust removing hole 4, and the control module controls the driving device to work and the fan spindle to steer. The control module is used for controlling the baffle driving device to operate when the fan accords with the set condition after the control module is used for controlling the baffle driving device to open the wind shield 5 according to the preset condition, such as setting according to the running time of the fan, setting according to the rotating speed of the fan main shaft, setting according to the dust condition in the fan housing 1, and the like, so as to realize the reverse rotation dust removal of the fan, and after the fan is in the reverse rotation set time, the control module is used for controlling the baffle driving device to reversely operate to close the wind shield 5 and notifying the fan main shaft to normally rotate for heat radiation.
The driving device is a servo motor, and the servo motor drives the wind shield 5 to rotate. When the wind shield 5 is rotatably installed on the housing 1, the baffle is driven to rotate by the servo motor, so that the dust removing hole 4 can be opened and closed, and of course, other driving modes, such as a mode that the wind shield 5 slides back and forth, a longitudinal lifting mode and the like, can be used for closing and opening the dust removing hole 4, which is an equivalent replacement structure easily thought by a person skilled in the art according to the patent.
A dust sensing device is also provided in the fan housing 1, which is signaled to the control module. The dust sensing device is used for sensing the dust accumulation condition in the shell 1, further controlling the baffle driving device to operate so as to realize automatic dust removal of the fan, and simultaneously controlling the wind shield 5 to be closed according to the dust removal condition in the shell 1 so as to stop dust removal.
Claims (7)
1. A dust removing fan comprises a shell (1) and fan blades (2), wherein the fan blades can be rotatably arranged in the shell, a plurality of blades (3) inclining in the same direction are formed on the outer side wall of the circumference of the fan blades, and the dust removing fan is characterized in that a dust removing hole (4) is formed in the side wall of the shell, the dust removing hole can be communicated with the inside and the outside of the shell, a wind deflector (5) is further arranged on the side wall of the shell, the wind deflector can be opened or closed to remove the dust, the wind deflector is hinged on the side wall of the dust removing hole, the wind deflector can rotate towards the inner side of the shell around a hinge shaft of the wind deflector by a set angle, a protruding part protruding from the side wall of the shell by a set distance is formed on the side wall of the wind deflector towards the inside of the shell, the side wall of the wind deflector towards the inside of the shell is an inclined surface with an included angle, one end, close to the hinge shaft of the inclined surface can be aligned and connected with the inner side wall of the shell, and a set distance (A) exists between one end, far away from the hinge shaft, of the inclined surface and the inner side wall of the shell.
2. The dust removing fan as set forth in claim 1, wherein a limit stop wall (7) is formed on a side wall of the inner side of the housing on the side of the dust removing hole, the limit stop wall being capable of stopping on a side wall surface of the wind deflector facing the inner side of the housing.
3. The dust removing fan according to claim 2, wherein the limit stop wall is formed with a slope which can be just flush with the side wall of the wind shield.
4. The dust removing fan according to claim 1, wherein the end of the wind shield, which is far away from the hinge shaft, is in contact with the side wall of the dust removing hole on the side wall of the housing through an inclined surface.
5. The dust removing fan according to claim 1, further comprising a baffle driving device and a control module, wherein the driving device can drive the wind shield to move to close the dust removing hole or separate from the dust removing hole, and the control module controls the driving device to work and the fan main shaft to rotate.
6. The dust removing fan according to claim 5, wherein the driving device is a servo motor, and the servo motor drives the wind shield to rotate.
7. The dust removing fan of claim 5, wherein a dust sensing device is further provided in the fan housing, and the dust sensing device is signaled to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375290.0A CN110067761B (en) | 2019-05-07 | 2019-05-07 | Dust removal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375290.0A CN110067761B (en) | 2019-05-07 | 2019-05-07 | Dust removal fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110067761A CN110067761A (en) | 2019-07-30 |
| CN110067761B true CN110067761B (en) | 2024-12-24 |
Family
ID=67370065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910375290.0A Active CN110067761B (en) | 2019-05-07 | 2019-05-07 | Dust removal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110067761B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187595B (en) * | 2021-05-24 | 2022-11-11 | 柳州柳工挖掘机有限公司 | Engineering machine heat dissipation system and engineering machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418705A (en) * | 2010-09-27 | 2012-04-18 | 建准电机工业股份有限公司 | cooling fan |
| CN102996483A (en) * | 2011-09-13 | 2013-03-27 | 宏碁股份有限公司 | Automatic dust exhaust fan device and dust exhaust method of automatic dust exhaust fan device |
| CN210565203U (en) * | 2019-05-07 | 2020-05-19 | 苏州顺福利智能科技有限公司 | Dust removing fan |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201407208Y (en) * | 2009-05-13 | 2010-02-17 | 纬创资通股份有限公司 | Centrifugal fan shell, centrifugal fan and electronic device with centrifugal fan |
| CN103796463B (en) * | 2012-10-31 | 2016-12-21 | 英业达科技有限公司 | Radiating module, electronic installation and dust collection method thereof |
| CN105204596B (en) * | 2015-09-29 | 2020-09-25 | 联想(北京)有限公司 | Fan and electronic equipment |
-
2019
- 2019-05-07 CN CN201910375290.0A patent/CN110067761B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418705A (en) * | 2010-09-27 | 2012-04-18 | 建准电机工业股份有限公司 | cooling fan |
| CN102996483A (en) * | 2011-09-13 | 2013-03-27 | 宏碁股份有限公司 | Automatic dust exhaust fan device and dust exhaust method of automatic dust exhaust fan device |
| CN210565203U (en) * | 2019-05-07 | 2020-05-19 | 苏州顺福利智能科技有限公司 | Dust removing fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110067761A (en) | 2019-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7366703B2 (en) | blower | |
| JP4957078B2 (en) | Dust collecting cover and cutter provided with the same | |
| CN100354579C (en) | Blower | |
| KR100837623B1 (en) | Air path change structure using mobile volute | |
| CN210565203U (en) | Dust removing fan | |
| CN117869227A (en) | Wind power boosting rotor dustproof device and wind power boosting rotor | |
| KR101413178B1 (en) | A blower possessing shutters which are operated by wind pressure | |
| CN216842320U (en) | 10KW new trend mends wind device | |
| CN110067761A (en) | Dust extraction fan | |
| CN213670695U (en) | Long service life's exhaust emission on-line monitoring device | |
| CN111980941A (en) | Centrifugal fans and dryers | |
| CN221921231U (en) | Wind power boosting rotor dustproof device and wind power boosting rotor | |
| CN109208519B (en) | Blowing and sucking machine | |
| CN217116612U (en) | Protection rack suitable for outdoor installation of railway signal equipment | |
| CN216867125U (en) | Hydraulic valve set for garbage sweeper | |
| CN218072195U (en) | Dustproof heat dissipation type communication box in pit | |
| CN215980049U (en) | Convenient clear side wall fan | |
| CN101782716B (en) | Shutter projector dustproof system | |
| CN109676688A (en) | A kind of pressure roller cleaning mechanism | |
| CN212202560U (en) | Fan capable of preventing dust from entering bearing | |
| CN218387223U (en) | Protective baffle for output end of stepping motor | |
| CN102672687B (en) | Multifunction swinging tool | |
| CN209244940U (en) | A kind of abutment wall pressure fan drainage arrangement | |
| CN209682359U (en) | A kind of pressure roller cleaning mechanism | |
| CN217926372U (en) | Push-pull type air supply fan for breeding house |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |