CN110685937B - Rotary self-cleaning fan - Google Patents
Rotary self-cleaning fan Download PDFInfo
- Publication number
- CN110685937B CN110685937B CN201910952943.7A CN201910952943A CN110685937B CN 110685937 B CN110685937 B CN 110685937B CN 201910952943 A CN201910952943 A CN 201910952943A CN 110685937 B CN110685937 B CN 110685937B
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- China
- Prior art keywords
- impeller
- electromagnet
- mounting sleeve
- controller
- cleaning
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/007—Conjoint control of two or more different functions
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a rotary self-cleaning fan, comprising: the device comprises a shell, a driving piece is arranged in the shell, the power output end of the driving piece is connected with an impeller, the head of the shell is provided with a shell cover used for covering the impeller, an installation cavity is formed in the shell cover, and the driving piece is connected with a controller; the speed measuring module is used for detecting the rotating speed of the impeller and is connected with the controller; and, set up and be in clean the mechanism in the installation cavity, clean the mechanism and include: a slide bar, a mounting sleeve, a cleaning brush, an elastic support, and an electromagnet. When the fan needs to stop running, the controller controls the electromagnet to be electrified to generate magnetic force, so that the installation sleeve slides along the sliding rod, the cleaning brush is in contact with the impeller, the surface of the impeller is cleaned in the rotating process of the impeller, and the automatic cleaning of the fan impeller is realized.
Description
Technical Field
The invention relates to a fan, in particular to a rotary self-cleaning fan.
Background
The fan mainly comprises the impeller, the casing, connect in the air intake and the air outlet of casing and be used for driving parts such as impeller pivoted motor, mainly used carries out gaseous compression and transport, in-process meeting suction air at the fan work, when the fan is applied to the higher environment of dust particle concentration, although can filter most dust through the filter screen that sets up in air intake and air outlet department, but the fan still has some dust adhesion on the fan impeller at the in-process of suction air, influence the fan and use.
Disclosure of Invention
In order to solve the technical problem, the invention provides a rotary self-cleaning fan which has the advantage of automatically cleaning dust adhered to an impeller.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a rotary self-cleaning blower comprising:
the device comprises a shell, a driving piece is arranged in the shell, the power output end of the driving piece is connected with an impeller, the head of the shell is provided with a shell cover used for covering the impeller, an installation cavity is formed in the shell cover, and the driving piece is connected with a controller;
the speed measuring module is used for detecting the rotating speed of the impeller and is connected with the controller; and the number of the first and second groups,
set up clean mechanism in the installation cavity, clean the mechanism and include: the sliding rod is fixed on the inner wall of the shell, the mounting sleeve is assembled on the sliding rod in a sliding mode and made of ferromagnetic materials, the cleaning brush is arranged at the end portion of the mounting sleeve and used for being attached to the impeller to perform sweeping, the elastic supporting piece is arranged at the end portion of the mounting sleeve and used for driving the cleaning brush to keep being separated from the impeller, the electromagnet is arranged at the end portion of the mounting sleeve and used for being attracted to the mounting sleeve after being electrified so that the cleaning brush is attached to the cleaning brush, the electromagnet is connected with the controller, and when the controller sends a stop signal to the driving piece and the rotating speed of the impeller measured by the speed measuring module reaches a preset speed, the controller controls the electromagnet to attract the mounting sleeve and controls the driving piece to maintain the current rotating speed for a preset time, and controlling the electromagnet to lose power after the controller sends a starting signal to the driving piece again.
According to the technical scheme, in the normal operation process of the fan, the cleaning brush is kept in a state of being separated from the impeller under the action of the elastic supporting piece, so that the cleaning brush is prevented from interfering with the impeller under the high-speed operation of the impeller; when the fan needs to stop running, the controller sends a stop signal to the driving part, the rotating speed of the impeller is detected through the speed measuring module, the detection result is transmitted back to the controller, when the rotating speed of the impeller is detected to reach a preset speed, the controller controls the electromagnet to be electrified to generate magnetic force, the magnetic force of the electromagnet overcomes the elastic force of the elastic supporting part and is attracted with the mounting sleeve, the mounting sleeve slides along the sliding rod, the cleaning brush is contacted with the impeller, the surface of the impeller is cleaned in the rotating process of the impeller, the controller controls the driving part to maintain the current rotating speed to rotate for a preset time, the cleaning brush can clean the impeller more thoroughly, the driving part stops running after cleaning is completed, when the next start is performed, the controller controls the electromagnet to lose the magnetic force, and the cleaning brush is separated from the impeller under the action of the elastic supporting part again, and the dust scraped from the impeller can be discharged from the air outlet along with the negative pressure airflow in the running process of the fan, so that the automatic cleaning of the fan impeller is realized.
As a preferable scheme of the invention, an attraction ring is arranged at the end of the mounting sleeve, a support column is arranged on the housing, and the electromagnet is fixed on the support column and positioned on one side of the attraction ring facing the cleaning brush.
As a preferable scheme of the present invention, the electromagnet is of an annular structure and is sleeved on the mounting sleeve.
By adopting the technical scheme, the electromagnet can be more conveniently attracted with the mounting sleeve
As a preferred scheme of the present invention, the speed measurement module employs a hall sensor.
As a preferable scheme of the present invention, two sets of cleaning mechanisms are symmetrically disposed on both sides of the impeller.
Realize above-mentioned technical scheme, can clean the both sides of impeller simultaneously.
In conclusion, the invention has the following beneficial effects:
in the normal operation process of the fan, the cleaning brush is kept in a state of being separated from the impeller under the action of the elastic supporting piece, so that the cleaning brush is prevented from interfering with the impeller under the high-speed operation of the impeller; when the fan needs to stop running, the controller sends a stop signal to the driving part, the rotating speed of the impeller is detected through the speed measuring module, the detection result is transmitted back to the controller, when the rotating speed of the impeller is detected to reach a preset speed, the controller controls the electromagnet to be electrified to generate magnetic force, the magnetic force of the electromagnet overcomes the elastic force of the elastic supporting part and is attracted with the mounting sleeve, the mounting sleeve slides along the sliding rod, the cleaning brush is contacted with the impeller, the surface of the impeller is cleaned in the rotating process of the impeller, the controller controls the driving part to maintain the current rotating speed to rotate for a preset time, the cleaning brush can clean the impeller more thoroughly, the driving part stops running after cleaning is completed, when the next start is performed, the controller controls the electromagnet to lose the magnetic force, and the cleaning brush is separated from the impeller under the action of the elastic supporting part again, and the dust scraped from the impeller can be discharged from the air outlet along with the negative pressure airflow in the running process of the fan, so that the automatic cleaning of the fan impeller is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a housing; 11. a drive member; 12. an impeller; 13. a housing; 14. installing a chamber; 15. a controller; 16. a support pillar; 2. a speed measuring module; 3. a cleaning mechanism; 31. a slide bar; 32. installing a sleeve; 321. an absorption ring; 33. a cleaning brush; 34. an elastic support member; 35. an electromagnet.
Detailed Description
The technical solutions 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 it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A rotary self-cleaning blower, as shown in fig. 1, comprising: the device comprises a machine shell 1, wherein a driving part 11 is arranged in the machine shell 1, the power output end of the driving part 11 is connected with an impeller 12, the head part of the machine shell 1 is provided with a shell cover 13 for covering the impeller 12, an installation cavity 14 is formed in the shell cover 13, and the driving part 11 is connected with a controller 15; the speed measuring module 2 is used for detecting the rotating speed of the impeller 12, and the speed measuring module 2 is connected with the controller 15; and a cleaning mechanism 3 provided in the mounting chamber 14.
Specifically, the cleaning mechanism 3 includes: a sliding rod 31 fixed on the inner wall of the housing 13, a mounting sleeve 32 slidably assembled on the sliding rod 31 and made of ferromagnetic material, a cleaning brush 33 arranged at the end of the mounting sleeve 32 and used for jointing with the impeller 12 to perform brushing, an elastic supporting member 34 with one end connected to the housing 13 and the other end connected to the mounting sleeve 32 and used for driving the cleaning brush 33 to keep separating from the impeller 12, and an electromagnet 35 arranged on the housing 13 and used for attracting the mounting sleeve 32 after being electrified to joint the cleaning brush 33 and the cleaning brush 33, wherein the electromagnet 35 is connected with the controller 15, and when the controller 15 sends a stop signal to the driving member 11 and the rotational speed of the impeller 12 measured by the speed measuring module 2 reaches a predetermined speed, the controller 15 controls the electromagnet 35 to attract the mounting sleeve 32, and controls the driving member 11 to maintain the current rotating speed for a predetermined period of time, and controls the electromagnet 35 to be de-energized after the controller 15 sends the start signal to the driving member 11 again.
An absorption ring 321 is arranged at the end part of the installation sleeve 32, a support column 16 is arranged on the shell cover 13, an electromagnet 35 is fixed on the support column 16 and is positioned on one side of the absorption ring 321 facing the cleaning brush 33, the electromagnet 35 adopts an annular structure and is sleeved on the installation sleeve 32, so that the electromagnet 35 can be absorbed with the installation sleeve 32 more conveniently, in the embodiment, a spring is adopted as an elastic supporting piece 34, and the cleaning brush 33 can adopt a hairbrush or a sponge brush, so that the cleaning brush 33 can flexibly deform after contacting with the impeller 12, and the impeller 12 cannot be abraded; the preset speed and the preset time length can be freely adjusted according to requirements, the preset speed can be normally 120-180r/min, and the preset time length can be 30-60 s.
Further, two sets of cleaning mechanisms 3 are symmetrically arranged on two sides of the impeller 12, and the cleaning mechanisms 3 on the two sides of the impeller 12 are offset by 90 degrees, so that two sides of the impeller 12 can be cleaned simultaneously.
Further, speed module 2 adopts hall sensor in this embodiment, and driving piece 11 is the motor, and hall sensor is used for detecting the rotational speed of the power output shaft of driving piece 11, because the rotational speed of impeller 12 is unanimous with the rotational speed of power output shaft, has detected the rotational speed of impeller 12 promptly.
In the normal operation process of the fan, the cleaning brush 33 is kept in a state of being separated from the impeller 12 under the action of the elastic supporting piece 34, and the cleaning brush 33 and the impeller 12 are prevented from interfering with each other under the high-speed operation of the impeller 12; when the fan needs to stop running, the controller 15 sends a stop signal to the driving part 11, the speed measuring module 2 detects the rotating speed of the impeller 12 and transmits the detection result back to the controller, when the rotating speed of the impeller 12 reaches a preset speed, the controller 15 controls the electromagnet 35 to be electrified to generate magnetic force, at the moment, the magnetic force of the electromagnet 35 overcomes the elastic force of the elastic supporting part 34 and is attracted with the mounting sleeve 32, so that the mounting sleeve 32 slides along the sliding rod 31, the cleaning brush is in contact with the impeller 12, the surface of the impeller 12 is cleaned in the rotating process, the controller 15 controls the driving part 11 to maintain the current rotating speed to rotate for a preset time, the cleaning brush can clean the impeller 12 more thoroughly, when the cleaning is finished, the driving part 11 stops running, when the next starting is carried out, the controller 15 controls the electromagnet 35 to lose the electric force and lose the magnetic force, the cleaning brush 33 is separated from the impeller 12 again under the action of the elastic support member 34, and dust scraped from the impeller 12 can be discharged from the air outlet along with the negative pressure air flow in the operation process of the fan, so that the automatic cleaning of the fan impeller 12 is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A rotary self-cleaning blower, comprising:
the device comprises a shell, a driving piece is arranged in the shell, the power output end of the driving piece is connected with an impeller, the head of the shell is provided with a shell cover used for covering the impeller, an installation cavity is formed in the shell cover, and the driving piece is connected with a controller;
the speed measuring module is used for detecting the rotating speed of the impeller and is connected with the controller; and the number of the first and second groups,
set up clean mechanism in the installation cavity, clean the mechanism and include: the sliding rod is fixed on the inner wall of the shell, the mounting sleeve is assembled on the sliding rod in a sliding mode and made of ferromagnetic materials, the cleaning brush is arranged at the end portion of the mounting sleeve and used for being attached to the impeller to perform sweeping, the elastic supporting piece is arranged at the end portion of the mounting sleeve and used for driving the cleaning brush to keep being separated from the impeller, the electromagnet is arranged at the end portion of the mounting sleeve and used for being attracted to the mounting sleeve after being electrified so that the cleaning brush is attached to the cleaning brush, the electromagnet is connected with the controller, and when the controller sends a stop signal to the driving piece and the rotating speed of the impeller measured by the speed measuring module reaches a preset speed, the controller controls the electromagnet to attract the mounting sleeve and controls the driving piece to maintain the current rotating speed for a preset time, and controlling the electromagnet to lose power after the controller sends a starting signal to the driving piece again.
2. The rotary self-cleaning fan as claimed in claim 1, wherein the end of the mounting sleeve is provided with an attraction ring, the housing is provided with a support pillar, and the electromagnet is fixed on the support pillar and located on one side of the attraction ring facing the cleaning brush.
3. The rotary self-cleaning blower according to claim 2, wherein the electromagnet is of an annular structure and is sleeved on the mounting sleeve.
4. The rotary self-cleaning blower of claim 1 wherein the speed measurement module employs a hall sensor.
5. The rotary self-cleaning blower of claim 4 wherein two sets of sweeping mechanisms are symmetrically disposed on either side of the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952943.7A CN110685937B (en) | 2019-10-09 | 2019-10-09 | Rotary self-cleaning fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952943.7A CN110685937B (en) | 2019-10-09 | 2019-10-09 | Rotary self-cleaning fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110685937A CN110685937A (en) | 2020-01-14 |
| CN110685937B true CN110685937B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910952943.7A Active CN110685937B (en) | 2019-10-09 | 2019-10-09 | Rotary self-cleaning fan |
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| CN (1) | CN110685937B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111980844B (en) * | 2020-08-04 | 2021-07-23 | 赵明星 | But automated inspection carries out hydroelectric generation equipment that foreign matter was clear away |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005207333A (en) * | 2004-01-23 | 2005-08-04 | Koyo Seiko Co Ltd | Pump |
| JP5017965B2 (en) * | 2006-08-30 | 2012-09-05 | パナソニック株式会社 | Blower and cooling device equipped with a blower |
| CN201025273Y (en) * | 2007-01-26 | 2008-02-20 | 武汉科技大学 | A dust cleaning device for leaf wheel of acentric wind machine |
| KR101715927B1 (en) * | 2015-01-22 | 2017-03-13 | 윤동구 | Air control system |
| CN105937503A (en) * | 2016-06-24 | 2016-09-14 | 张家港市众鑫风机有限公司 | Draught fan with automatic dust removing function |
| CN206234171U (en) * | 2016-12-06 | 2017-06-09 | 长江师范学院 | A kind of ceiling fan automatic cleaner |
| CN106762856B (en) * | 2017-01-06 | 2018-10-26 | 浙江理通风机有限公司 | Cabinet type self-cleaning wind turbine |
| CN107185867B (en) * | 2017-06-20 | 2019-06-18 | 游超群 | A kind of energy-saving street lamp bar cleaning robot |
| CN108533534B (en) * | 2018-03-09 | 2020-02-07 | 彭志军 | Fan device with self-cleaning function |
| CN109078889B (en) * | 2018-10-30 | 2020-04-14 | 宁波市晶隆电子商务有限公司 | Impeller self-cleaning device |
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| CN110685937A (en) | 2020-01-14 |
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