CN105545785A - Automatic dedusting method of cooler fan - Google Patents

Automatic dedusting method of cooler fan Download PDF

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Publication number
CN105545785A
CN105545785A CN201610027977.1A CN201610027977A CN105545785A CN 105545785 A CN105545785 A CN 105545785A CN 201610027977 A CN201610027977 A CN 201610027977A CN 105545785 A CN105545785 A CN 105545785A
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China
Prior art keywords
time interval
frequency
fan
cooler
interval
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CN201610027977.1A
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Chinese (zh)
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CN105545785B (en
Inventor
马丁·费舍尔
马静
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DALIAN SHINERGY SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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DALIAN SHINERGY SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201610027977.1A priority Critical patent/CN105545785B/en
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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
    • 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
    • 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
    • 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 discloses an automatic dedusting method of a cooler fan. The technical key point lies in that: in S3, in a third time interval, a fan motor drives blades of the cooler fan at a third frequency to rotate in a second direction, wherein the third time interval is a secondary time interval of a second time interval; the third frequency is higher than a second frequency; and in S4, in a fourth time interval, the fan motor drives the blades of the cooler fan at a first frequency to rotate in a first direction, wherein the fourth time interval is a secondary time interval of the third time interval. According to the automatic dedusting method, through controlling the rotation frequency and rotation direction of the fan, the dust is separated from the fan blades under the action of positive-negative rotation of the fan blades through utilizing inertia and self wind power of the fan blades; and particularly, a two-time back flushing method is adopted in the invention, and the running frequency of the fan motor is increased step by step during the back flushing stage, so that the wind power of the cooler fan is immediately strengthened during the back flushing stage.

Description

A kind of cooler fan automatic dust removing method
The application is application number is 201410817401.6, and the applying date is 2014-12-24, and invention and created name is a kind of divisional application of application for a patent for invention of cooler fan automatic dust removing method.
Technical field
The present invention relates to a kind of dust collection method, particularly a kind of cooler fan automatic dust removing method.
Background technique
The cooler of wind power generator group needs to use cooler fan to carry out cooling process to it, in the running of cooler fan, dust and foreign material are very easily attached on the blade of cooler fan, have a strong impact on the radiating efficiency of cooler fan, along with the accumulation of dust and greasy dirt, the cooling effect of cooler can be affected further, and then make the temperature of the oil temperature of the lubricant oil in gear-box regulate efficiency lower.
Summary of the invention
The invention provides a kind of cooler fan automatic dust removing method, fan turns frequency and sense of rotation are controlled, to solve the problem of the easy adhesive dust of cooler fan blade and foreign material.
The technological scheme that the present invention adopts for achieving the above object is: a kind of cooler fan automatic dust removing method: comprise the steps:
S1. interval in the very first time, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency;
S2. at the second time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with second frequency, second time interval is that the secondary time in very first time interval is interval, and second direction is contrary both direction with first direction, and second frequency is higher than first frequency.
Supplementing as another technological scheme: on the basis of step S1 and step S2, also comprise the steps:
S3. at the 3rd time interval, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency, and the 3rd time interval is that the secondary time of the second time interval is interval, and the 3rd frequency is higher than second frequency;
S4. step S2 ~ S3 is repeated.
Further, described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward; Described second time is 10s, and second frequency is 60Hz, and second direction is reverse; Described 3rd time is interval is 1h, and the 3rd frequency is 12 ~ 60Hz.
Supplementing as another technological scheme, on the basis of step S1 and step S2, also comprises the steps:
S3. at the 3rd time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with the 3rd frequency, and the 3rd time interval is that the secondary time of the second time interval is interval, and the 3rd frequency is higher than second frequency;
S4. at the 4th time interval, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency, and the 4th time interval is that the secondary time of the 3rd time interval is interval;
S5. step S2 ~ S4 is repeated.
Further, described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward; Described second time interval is 10s, and second frequency is 60Hz, and second direction is reverse; Described 3rd time interval is 5s, and the 3rd frequency is 70Hz; Described 4th time interval is 1h, and the 4th frequency is 12 ~ 60Hz.
Supplementing as another technological scheme, on the basis of step S1 and step S2, also comprises the steps:
S3. at the 3rd time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with the 3rd frequency, and the 3rd time interval is that the secondary time of the second time interval is interval; 3rd time interval terminates, and the blade of cooler fan stops operating.
Wherein: after very first time interval is in step sl terminated, cooler fan switches to halted state by working state, the now blade stall of cooler fan, cooler fan transits to the second time interval by being operated in very first time interval.
Further, described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward; Described second time interval is 10s, and second frequency is 60Hz, and second direction is reverse; Described 3rd time interval is 5s, and the 3rd frequency is 70Hz.
Beneficial effect: the present invention is by controlling fan turns frequency and sense of rotation, fan blade is under the effect of n-reversion, utilize inertia, by means of the wind-force of fan blade self, dedusting is made to depart from fan blade, especially the method for twice blowback of the present invention's employing, the operation frequency of fan electromotor is improved step by step in the blowback stage, make the wind-force of cooler fan in the instantaneous enhancing of blowback stage, namely namely double conversion blowback makes fan electromotor adjust to peak torque from hot steady state torque, dust under the effect of inertia cleaned go out fan blade, dust removal efficiency is higher, solve the problem of the easy adhesive dust of cooler fan blade and foreign material.
Embodiment
In order to technological scheme of the present invention is more clearly described, below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1: a kind of cooler fan automatic dust removing method, comprises the steps:
S1. interval in the very first time, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency;
S2. at the second time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with second frequency, second time interval is that the secondary time in very first time interval is interval, and second direction is contrary both direction with first direction, and second frequency is higher than first frequency.
Specifically: described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward; Described second time is 10s, and second frequency is 60Hz, and second direction is reverse
Embodiment 2: a kind of cooler fan automatic dust removing method, comprises the steps:
S1. interval in the very first time, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency;
S2. at the second time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with second frequency, second time interval is that the secondary time in very first time interval is interval, and second direction is contrary both direction with first direction, and second frequency is higher than first frequency.
S3. at the 3rd time interval, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency, and the 3rd time interval is that the secondary time of the second time interval is interval, and the 3rd frequency is higher than second frequency;
S4. step S2 ~ S3 is repeated.
Specifically, described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward; Described second time is 10s, and second frequency is 60Hz, and second direction is reverse; Described 3rd time is interval is 1h, and the 3rd frequency is 12 ~ 60Hz.
Embodiment 3: a kind of cooler fan automatic dust removing method, comprises the steps:
S1. interval in the very first time, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency;
S2. at the second time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with second frequency, second time interval is that the secondary time in very first time interval is interval, and second direction is contrary both direction with first direction, and second frequency is higher than first frequency.
S3. at the 3rd time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with the 3rd frequency, and the 3rd time interval is that the secondary time of the second time interval is interval, and the 3rd frequency is higher than second frequency;
S4. at the 4th time interval, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency, and the 4th time interval is that the secondary time of the 3rd time interval is interval;
S5. step S2 ~ S4 is repeated.
Specifically, described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward; Described second time interval is 10s, and second frequency is 60Hz, and second direction is reverse; Described 3rd time interval is 5s, and the 3rd frequency is 70Hz; Described 4th time interval is 1h, and the 4th frequency is 12 ~ 60Hz.
Embodiment 4: a kind of cooler fan automatic dust removing method, comprises the steps:
S1. interval in the very first time, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency;
S2. at the second time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with second frequency, second time interval is that the secondary time in very first time interval is interval, and second direction is contrary both direction with first direction, and second frequency is higher than first frequency.
S3. at the 3rd time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with the 3rd frequency, and the 3rd time interval is that the secondary time of the second time interval is interval; 3rd time interval terminates, and the blade of cooler fan stops operating.
Wherein: after very first time interval is in step sl terminated, cooler fan switches to halted state by working state, the now blade stall of cooler fan, cooler fan transits to the second time interval by being operated in very first time interval.
Specifically, described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward; Described second time interval is 10s, and second frequency is 60Hz, and second direction is reverse; Described 3rd time interval is 5s, and the 3rd frequency is 70Hz.

Claims (2)

1. a cooler fan automatic dust removing method: it is characterized in that, comprise the steps:
S1. interval in the very first time, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency;
S2. at the second time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with second frequency, second time interval is that the secondary time in very first time interval is interval, and second direction is contrary both direction with first direction, and second frequency is higher than first frequency;
S3. at the 3rd time interval, fan electromotor drives the blade of cooler fan to rotate in a second direction with the 3rd frequency, and the 3rd time interval is that the secondary time of the second time interval is interval, and the 3rd frequency is higher than second frequency;
S4. at the 4th time interval, fan electromotor drives the blade of cooler fan to rotate in a first direction with first frequency, and the 4th time interval is that the secondary time of the 3rd time interval is interval;
S5. step S2 ~ S4 is repeated.
2. a kind of cooler fan automatic dust removing method as claimed in claim 1, is characterized in that,
Described very first time interval is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward;
Described second time is 10s, and second frequency is 60Hz, and second direction is reverse.
Described 3rd time interval is 5s, and the 3rd frequency is 70Hz;
Described 4th time interval is 1h.
CN201610027977.1A 2014-12-24 2014-12-24 A kind of cooler fan automatic dust removing method Active CN105545785B (en)

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CN201610027977.1A CN105545785B (en) 2014-12-24 2014-12-24 A kind of cooler fan automatic dust removing method
CN201410817401.6A CN104564765B (en) 2014-12-24 2014-12-24 A kind of cooler fan automatic dust removing method

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105545785B (en) * 2014-12-24 2017-12-12 大连尚能科技发展有限公司 A kind of cooler fan automatic dust removing method
CN111336128A (en) * 2020-04-09 2020-06-26 刘兴丹 Method and device for self-dedusting fan
CN114531073A (en) * 2020-10-30 2022-05-24 无锡小天鹅电器有限公司 Drainage pump control method, device, equipment and storage medium

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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
CN102418705A (en) * 2010-09-27 2012-04-18 建准电机工业股份有限公司 Cooling fan
US20120207619A1 (en) * 2011-02-10 2012-08-16 Rohm Co., Ltd. Fan motor driving device and cooling device using the same
CN102762080A (en) * 2011-04-28 2012-10-31 华硕电脑股份有限公司 Electronic device
US20120288384A1 (en) * 2011-05-12 2012-11-15 Adda Corp. Heat-dissipation fan
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
CN103362840A (en) * 2012-04-09 2013-10-23 台达电子工业股份有限公司 Control method of fan
CN104564765B (en) * 2014-12-24 2016-07-06 大连尚能科技发展有限公司 A kind of cooler fan automatic dust removing method

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JP2002242878A (en) * 2001-02-14 2002-08-28 Hitachi Kokusai Electric Inc Air blasting cooling system
US20100071877A1 (en) * 2008-09-19 2010-03-25 Nitin Goel Reducing accumulation of dust particles on a heat dissipating arrangement
CN102022355B (en) * 2009-09-16 2013-09-04 建准电机工业股份有限公司 Cooling fan
JP2012167657A (en) * 2011-02-17 2012-09-06 Panasonic Corp Ceiling fan
CN102788035B (en) * 2012-08-01 2015-06-03 杭州新都奥兰汽车空调有限公司 Forward and reverse rotation device of condensing fan

Patent Citations (8)

* Cited by examiner, † Cited by third party
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
CN102418705A (en) * 2010-09-27 2012-04-18 建准电机工业股份有限公司 Cooling fan
US20120207619A1 (en) * 2011-02-10 2012-08-16 Rohm Co., Ltd. Fan motor driving device and cooling device using the same
CN102762080A (en) * 2011-04-28 2012-10-31 华硕电脑股份有限公司 Electronic device
US20120288384A1 (en) * 2011-05-12 2012-11-15 Adda Corp. Heat-dissipation fan
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
CN103362840A (en) * 2012-04-09 2013-10-23 台达电子工业股份有限公司 Control method of fan
CN104564765B (en) * 2014-12-24 2016-07-06 大连尚能科技发展有限公司 A kind of cooler fan automatic dust removing method

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CN104564765B (en) 2016-07-06
CN104564765A (en) 2015-04-29
CN105545785B (en) 2017-12-12

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