CN111336128A - Method and device for self-dedusting fan - Google Patents
Method and device for self-dedusting fan Download PDFInfo
- Publication number
- CN111336128A CN111336128A CN202010271611.5A CN202010271611A CN111336128A CN 111336128 A CN111336128 A CN 111336128A CN 202010271611 A CN202010271611 A CN 202010271611A CN 111336128 A CN111336128 A CN 111336128A
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- Prior art keywords
- fan
- blades
- rotate
- starting
- rotation
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Classifications
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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
-
- 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
Abstract
The invention discloses a method and a device for a self-dedusting fan, comprising the following steps: starting a running fan, wherein blades of the fan rotate and radiate heat; the blades of the fan rotate in the opposite direction, airflow enters from the back of the blades and is discharged from the front of the blades, and the airflow removes dust on the back of the blades. The fan is beneficial to keeping the surface of the fan clean, the fan can run and rotate efficiently, dust can be prevented from being deposited on the back of the fan, and therefore the influence of the dust on equipment is prevented.
Description
Technical Field
The present invention relates to fans, and more particularly, to a heat dissipation fan.
Background
The existing fan has good heat dissipation performance, and provides a good guarantee for normal use of equipment. Plays an important role in heat dissipation. However, the back surface of the conventional fan blade is prone to dust deposition, which affects the appearance, the performance of electronic components and other devices, and the safety of use.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a dust-removing and dust-preventing fan blade which achieves the purpose of dust removal and dust prevention on the surface of the fan blade by changing the rotation direction of the fan.
In order to achieve the above object, the present invention provides a method for a self-cleaning fan, which is applied to a cooling fan, and comprises:
starting a running fan, wherein blades of the fan rotate and radiate heat;
the blades of the fan rotate in the opposite direction, airflow enters from the back of the blades and is discharged from the front of the blades, and the airflow removes dust on the back of the blades.
Further, the rotation and the reverse rotation of the blades of the fan are used in cooperation with each other.
Further, before or during the starting or stopping of the blades of the fan, the blades are started to rotate in the opposite direction.
Further, the blades of the fan rotate in opposite directions for a fixed duration and a fixed rotation speed.
Further, each time the fan is activated, the blade rotation in the forward direction and the blade rotation in the reverse direction are alternated.
Further, a device of the self-dedusting fan comprises the following components.
Further, the first operation module is used for starting the operation fan, and blades of the fan rotate and dissipate heat.
Further, the second operation module is used for enabling the blades of the fan to rotate in the opposite direction, enabling airflow to enter from the back sides of the blades and be discharged from the front sides of the blades, and enabling the airflow to remove dust on the back sides of the blades.
Further, the matching module is used for matching the rotation and the reverse rotation of the blades of the fan.
Further, the conversion module is used for starting the blades of the fan to rotate in the opposite direction before or in the middle of starting or stopping rotating.
Further, a second operational submodule is used for setting fixed duration and rotation speed for the blades of the fan to rotate in the opposite direction.
Further, the third operation module is used for starting the fan every time, and the positive rotation of the blades and the negative rotation of the blades are alternately carried out.
In the embodiment of the invention: and the fan is normally rotated after being started to perform heat dissipation operation. In the operation process, the front face of the fan is a convex cambered surface, so that dust is not easy to accumulate, and the front face of the fan is in a relatively clean state due to the high rotating speed. The back of the blades of the fan is easy to accumulate dust, the back of the fan can be changed into the front of the fan through reverse rotation, and the dust removal purpose is achieved through air flow movement. The fans are matched with each other in the positive and negative directions to rotate, so that the dustproof purpose is achieved. The fan is beneficial to keeping the surface of the fan clean, the fan can run and rotate efficiently, dust can be prevented from being deposited on the back of the fan, and therefore the influence of the dust on equipment is prevented.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of a method for using a self-dusting fan in accordance with an embodiment of the present invention from an operational standpoint.
Fig. 2 is a flow chart of a method of a self-dedusting fan according to an embodiment of the present invention from the perspective of practical use and operation.
Fig. 3 is a block diagram of a self-dusting fan apparatus according to an embodiment of the present invention from the viewpoint of use and operation.
Fig. 4 is a block diagram of a self-cleaning fan device according to an embodiment of the present invention from the viewpoint of practical use and operation.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
The embodiment of the application provides a method for a self-dedusting fan, and the method is applied to a cooling fan.
As shown in fig. 1, the method includes: FIG. 1 is a flow chart of a method for using a self-dusting fan in accordance with an embodiment of the present invention from an operational standpoint.
As shown in fig. 1, the method includes:
s101, starting a fan, wherein blades of the fan rotate and dissipate heat.
And starting the fan, wherein the fan rotates anticlockwise to radiate the equipment. Air enters from the surface of the blades of the fan, and airflow flows towards the back of the blades of the fan. The surface of the fan is in contact with the fast moving air flow, so that dust is not easy to accumulate, and the surface of the blade is relatively clean.
Specifically, the computer is turned on, the CPU cooling fan operates, or the fan in the air conditioner or other electrical equipment, machinery, or vehicle starts to operate and perform cooling, or thrust is provided. The fan at this time is a fan that operates normally.
S102, the blades of the fan rotate in the opposite direction, airflow enters from the back of the blades and is discharged from the front of the blades, and the airflow removes dust on the back of the blades.
When the blades of the fan rotate in the opposite direction, air enters from the back of the blades of the fan, and airflow flows out from the front of the blades of the fan. The fast moving air flow blows away the dust on the back of the blade. Or the dust is prevented from being accumulated, and the effects of dust removal and dust prevention are achieved.
Specifically, the fan operates normally and dissipates heat for the equipment, and the blades of the fan are started to operate in the opposite direction before the equipment operates or after the equipment stops operating. Dust removal and dust prevention are carried out on the back of the blade, and the front face and the back face of the blade are kept in a clean and dust-free state all the time.
In summary, the device is programmed or a single chip microcomputer is adopted. The fan has the function of rotating in the opposite direction. Generally, the blades of the fan rotate counterclockwise to dissipate heat generated by the equipment. By clockwise rotation in the opposite direction and high-speed flow of air flow, dust on the back of the blades of the fan is blown away, and the purpose of self-cleaning the dust is achieved. And also functions to prevent dust from accumulating on the back of the blade. Through the rotation on the positive, negative two sides of blade lets the fan the blade is more clean, lets the high-efficient operation of fan, the safe operation of equipment is guaranteed to the inside relatively clean state that keeps of equipment that can also be better.
As shown in fig. 2, the method includes: fig. 2 is a flow chart of a method of a self-dedusting fan according to an embodiment of the present invention from the perspective of practical use and operation.
S202, the rotation and the reverse rotation of the blades of the fan are matched with each other for use.
The fan enables the blades to normally rotate, and heat dissipation is conducted on the equipment. The time of its operation is determined by the time of use of the device. The blades of the fan rotate in the opposite direction, so that after the fan is started every time, the blades of the fan rotate in the opposite direction, and the purposes of dust prevention and dust removal are achieved.
The blades may be rotated in the opposite direction at least one to a plurality of times each time the fan is turned on, as desired. Or after the fan is started for multiple times, the fan is started to rotate in the reverse direction of the blades once.
Specifically, the blades of the fan normally rotate counterclockwise to dissipate heat generated by the equipment. The blades of the fan rotate clockwise in the opposite direction, and the back of the blades of the fan is dedusted. The positive and negative rotation of the blades are used in combination. Namely, after the fan is normally rotated and used, the fan rotates in the opposite direction correspondingly.
S203, before or in the middle of starting or stopping the rotation of the blades of the fan, the blades are started to rotate in the opposite direction.
The function of turning on the fan and the blades rotating in opposite directions is also different according to different devices. When the equipment is started, the heat generated by the equipment is relatively low, and the fan is started to rotate in the opposite direction to achieve the purpose of self-cleaning. And after the reflection of the blades stops rotating in the opposite direction, the fan is started to normally rotate and radiate heat. Or when the equipment stops working, the function of delaying to close the fan is started, and the blades of the fan are rotated in the opposite direction to remove dust and self-clean and prevent dust.
Specifically, the fan for heat dissipation of the computer CPU can rotate in the opposite direction, and then the blades of the fan can rotate normally. The fan of the air conditioner can adopt a time delay switch, after the fan stops rotating, the fan is started to rotate in the opposite direction, and the back of the blades of the fan is subjected to dust removal.
S204, the blades of the fan rotate in the opposite direction for a fixed time length and a fixed rotating speed.
The fan may be set to rotate in the opposite direction of the blades for a fixed time and at a specific number of revolutions. Or the reverse rotation of the blade corresponding to the duration and the strength can be automatically and correspondingly started according to the duration of the equipment used by a user.
Specifically, the time for the fan to rotate in the reverse direction may be set to 10 seconds, half minutes, or one minute, or may be other time lengths. The rotational speed may also be set with reference to the rotational speed of the fan when it is operating in the apparatus.
S205, each time the fan is started, the positive rotation of the blades and the negative rotation of the blades are alternately carried out.
The fan the blade is through special design, and the ability positive and negative two sides is rotatory and the effect is unanimous, perhaps, adopts the wind wheel structure of lampblack absorber. The rotation direction of the blades of the fan is opposite to the rotation direction of the blades of the fan at the last time when the blades of the fan are opened each time. This configuration requires the fan to be located in the mid-position region of the heat source.
Specifically, when the device is operated for the first time, the blades of the fan rotate counterclockwise. The equipment runs for the second time, and when the fan is used, the fan rotates clockwise. The steps are sequentially reciprocated and alternately changed.
In conclusion, the fan can normally dissipate heat for equipment through the cooperation of the forward rotation and the reverse rotation of the fan, and the self-cleaning and dust-proof functions of the fan can be taken into consideration. In different equipment, the forward and reverse rotation directions of the fan are different. Such as: the fan of the computer CPU can be started to rotate in the opposite direction for dust removal when the computer is started. The radiator absorbs heat firstly, and then the fan rotates normally to radiate heat. The fan can be shut down when the time delay of the shutdown is delayed, and the fan is turned in the reverse direction to perform self-cleaning and then is shut down. For an air conditioner or other equipment, after the air conditioner or other equipment is used up, the fan rotates in the reverse direction again to remove dust. The fan is set to rotate reversely for a long time and rotate at a rotating speed, so that the fan can remove dust and prevent dust more efficiently.
As shown in fig. 3, the apparatus includes: fig. 3 is a block diagram of a self-dusting fan apparatus according to an embodiment of the present invention from the viewpoint of use and operation.
The first operation module 301 is used for starting and operating a fan, and blades of the fan rotate and dissipate heat.
And a second operation module 302, configured to enable the blades of the fan to rotate in opposite directions, where an airflow enters from the back of the blades and is discharged from the front of the blades, and the airflow removes dust from the back of the blades.
In summary, the device is programmed or a single chip microcomputer is adopted. The fan has the function of rotating in the opposite direction. Generally, the blades of the fan rotate counterclockwise to dissipate heat generated by the equipment. By clockwise rotation in the opposite direction and high-speed flow of air flow, dust on the back of the blades of the fan is blown away, and the purpose of self-cleaning the dust is achieved. And also functions to prevent dust from accumulating on the back of the blade. Through the rotation on the positive, negative two sides of blade lets the fan the blade is more clean, lets the fan operation is high-efficient, can also be better let equipment inside keep relatively clean state, guarantee the safe operation of equipment.
As shown in fig. 4, the apparatus includes: fig. 4 is a block diagram of a self-cleaning fan device according to an embodiment of the present invention from the viewpoint of practical use and operation.
A matching module 401, for matching the rotation and the reverse rotation of the blades of the fan.
A conversion module 402, configured to start the blades of the fan to rotate in the opposite direction before or during starting or stopping the blades of the fan.
A second operational submodule 403 for setting a fixed duration and speed of rotation of the blades of the fan in reverse direction.
A third operational module 404 for alternating the blade rotation in the forward direction and the blade rotation in the reverse direction each time the fan is activated.
In conclusion, the fan can normally dissipate heat for equipment through the cooperation of the forward rotation and the reverse rotation of the fan, and the self-cleaning and dust-proof functions of the fan can be taken into consideration. In different equipment, the forward and reverse rotation directions of the fan are different. Such as: the fan of the computer CPU can be started to rotate in the opposite direction for dust removal when the computer is started. The radiator absorbs heat firstly, and then the fan rotates normally to radiate heat. The fan can be shut down when the time delay of the shutdown is delayed, and the fan is turned in the reverse direction to perform self-cleaning and then is shut down. For an air conditioner or other equipment, after the air conditioner or other equipment is used up, the fan rotates in the reverse direction again to remove dust. The fan is set to rotate reversely for a long time and rotate at a rotating speed, so that the fan can remove dust and prevent dust more efficiently.
Claims (10)
1. A method for self-dedusting fans is characterized in that the method is applied to a cooling fan and comprises the following steps:
starting a running fan, wherein blades of the fan rotate and radiate heat;
the blades of the fan rotate in the opposite direction, airflow enters from the back of the blades and is discharged from the front of the blades, and the airflow removes dust on the back of the blades.
2. The method of claim 1, wherein starting operation of the fan comprises:
the rotation and the reverse rotation of the blades of the fan are matched with each other.
3. The method of claim 1, wherein starting operation of the fan comprises:
before or in the middle of the starting of the blades of the fan or when the blades stop rotating, the blades are started to rotate in the opposite direction.
4. The method of claim 1, wherein said blades of said fan are counter-rotating, comprising:
the blades of the fan rotate in the opposite direction for a fixed duration and a fixed rotating speed.
5. The method of claim 1, wherein starting operation of the fan comprises:
each time the fan is activated, the blade rotation in the forward direction and the blade rotation in the reverse direction alternate.
6. An apparatus of a self-cleaning fan, comprising:
the first operation module is used for starting the fan to operate, and blades of the fan rotate and dissipate heat;
and the second operation module is used for enabling the blades of the fan to rotate in the opposite direction, enabling airflow to enter from the back sides of the blades and be discharged from the front sides of the blades, and enabling the airflow to remove dust on the back sides of the blades.
7. The apparatus of claim 6, wherein starting operation of the fan comprises:
and the matching module is used for mutually matching the rotation and the reverse rotation of the blades of the fan.
8. The apparatus of claim 6, wherein starting operation of the fan comprises:
and the conversion module is used for starting the blades of the fan to rotate in the opposite direction before or in the middle of starting or stopping the blades of the fan.
9. The apparatus of claim 6, wherein said blades of said fan rotate in opposite directions, comprising:
and the second operation submodule is used for setting fixed time length and rotating speed for the blades of the fan to rotate in the opposite direction.
10. The apparatus of claim 6, wherein starting operation of the fan comprises:
and the third operation module is used for starting the fan every time, and the positive rotation of the blades and the negative rotation of the blades are alternately carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271611.5A CN111336128A (en) | 2020-04-09 | 2020-04-09 | Method and device for self-dedusting fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271611.5A CN111336128A (en) | 2020-04-09 | 2020-04-09 | Method and device for self-dedusting fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336128A true CN111336128A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010271611.5A Pending CN111336128A (en) | 2020-04-09 | 2020-04-09 | Method and device for self-dedusting fan |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967442A (en) * | 2005-11-18 | 2007-05-23 | 纬创资通股份有限公司 | Method for dedusting by radiator fan and dust cleaning apparatus for computer device |
| CN101783185A (en) * | 2008-09-19 | 2010-07-21 | 英特尔公司 | Reducing accumulation of dust particles on a heat dissipating arrangement |
| CN102996483A (en) * | 2011-09-13 | 2013-03-27 | 宏碁股份有限公司 | Automatic dust removing fan device and dust removing method for same |
| CN104564765A (en) * | 2014-12-24 | 2015-04-29 | 大连尚能科技发展有限公司 | Method for automatically removing dust of cooler fan |
| CN107165871A (en) * | 2017-06-30 | 2017-09-15 | 广东美的环境电器制造有限公司 | Bladeless fan and its dedusting control method and device |
| CN107614882A (en) * | 2015-05-20 | 2018-01-19 | 菲舍尔和佩克尔应用有限公司 | Fan or pump arrangement and operating method |
| CN108856154A (en) * | 2018-08-17 | 2018-11-23 | 上海至盛信息技术股份有限公司 | A kind of notebook, all-in-one machine dedusting method |
-
2020
- 2020-04-09 CN CN202010271611.5A patent/CN111336128A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967442A (en) * | 2005-11-18 | 2007-05-23 | 纬创资通股份有限公司 | Method for dedusting by radiator fan and dust cleaning apparatus for computer device |
| CN101783185A (en) * | 2008-09-19 | 2010-07-21 | 英特尔公司 | Reducing accumulation of dust particles on a heat dissipating arrangement |
| CN102996483A (en) * | 2011-09-13 | 2013-03-27 | 宏碁股份有限公司 | Automatic dust removing fan device and dust removing method for same |
| CN104564765A (en) * | 2014-12-24 | 2015-04-29 | 大连尚能科技发展有限公司 | Method for automatically removing dust of cooler fan |
| CN107614882A (en) * | 2015-05-20 | 2018-01-19 | 菲舍尔和佩克尔应用有限公司 | Fan or pump arrangement and operating method |
| CN107165871A (en) * | 2017-06-30 | 2017-09-15 | 广东美的环境电器制造有限公司 | Bladeless fan and its dedusting control method and device |
| CN108856154A (en) * | 2018-08-17 | 2018-11-23 | 上海至盛信息技术股份有限公司 | A kind of notebook, all-in-one machine dedusting method |
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Application publication date: 20200626 |
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