CN105673577B - A kind of cooler fan automatic dedusting method - Google Patents
A kind of cooler fan automatic dedusting method Download PDFInfo
- Publication number
- CN105673577B CN105673577B CN201610028367.3A CN201610028367A CN105673577B CN 105673577 B CN105673577 B CN 105673577B CN 201610028367 A CN201610028367 A CN 201610028367A CN 105673577 B CN105673577 B CN 105673577B
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- China
- Prior art keywords
- frequency
- fan
- time interval
- blade
- cooler fan
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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
- 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
-
- 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
Abstract
This divisional application discloses a kind of cooler fan automatic dedusting method, and technical essential is：S3. in third time interval, fan motor drives the blade of cooler fan to rotate in a second direction with third frequency, and third time interval is the secondary time section of the second time interval, and third frequency is higher than second frequency；Third time interval terminates, and the blade of cooler fan stops operating.The present invention is by controlling fan rotational frequency and rotation direction, fan blade is under the action of n- reversion, utilize inertia, by means of the wind-force of fan blade itself, so that dedusting is detached from fan blade, the method of the blowback especially of the invention twice used, the running frequency of fan motor is improved in the blowback stage, so that the wind-force of cooler fan instantaneously enhances in the blowback stage step by step.
Description
The application is application No. is 201410817401.6, and applying date 2014-12-24, invention and created name is one kind
The divisional application of the application for a patent for invention of cooler fan automatic dedusting method.
Technical field
The present invention relates to a kind of dust removal method, in particular to a kind of cooler fan automatic dedusting method.
Background technique
The cooler of wind power generator group needs to carry out it cooling processing, the fortune of cooler fan using cooler fan
During row, dust and sundries are easily attached on the blade of cooler fan, have seriously affected the heat dissipation effect of cooler fan
Rate can further influence the cooling effect of cooler, so that the lubricating oil in gear-box with the accumulation of dust and greasy dirt
Oil temperature temperature adjust efficiency it is lower.
Summary of the invention
The present invention provides a kind of cooler fan automatic dedusting methods, control to fan rotational frequency and rotation direction
System, to solve the problems, such as the easy adhesive dust of cooler fan blade and sundries.
The technical solution that the present invention uses to achieve the above object for：A kind of cooler fan automatic dedusting method：Including
Following steps：
S1. in first time section, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation；
S2. in the second time interval, fan motor drives the blade of cooler fan in a second direction with second frequency
Rotation, the second time interval are the secondary time section in first time section, and second direction is opposite two with first direction
Direction, second frequency are higher than first frequency.
Supplement as another technical solution：It further include following steps on the basis of step S1 and step S2：
S3. in third time interval, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation, third time interval are the secondary time section of the second time interval, and third frequency is higher than second frequency；
S4. step S2~S3 is repeated.
Further, the first time section is 1h, and first frequency is 12~60Hz, and first direction is forward direction；It is described
Second time was 10s, and second frequency 60Hz, second direction is reversed；The third time is that section is 1h, and third frequency is
12~60Hz.
It further include following steps on the basis of step S1 and step S2 as the supplement of another technical solution：
S3. in third time interval, fan motor drives the blade of cooler fan in a second direction with third frequency
Rotation, third time interval are the secondary time section of the second time interval, and third frequency is higher than second frequency；
S4. in the 4th time interval, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation, the 4th time interval are the secondary time section of third time interval；
S5. step S2~S4 is repeated.
Further, the first time section is 1h, and first frequency is 12~60Hz, and first direction is forward direction；It is described
Second time interval is 10s, and second frequency 60Hz, second direction is reversed；The third time interval is 5s, third frequency
For 70Hz；4th time interval is 1h, and the 4th frequency is 12~60Hz.
It further include following steps on the basis of step S1 and step S2 as the supplement of another technical solution：
S3. in third time interval, fan motor drives the blade of cooler fan in a second direction with third frequency
Rotation, third time interval are the secondary time section of the second time interval；Third time interval terminates, the leaf of cooler fan
Piece stops operating.
Wherein：After first time section in step sl, cooler fan is switched to stopping shape by working condition
State, the blade stalling of cooler fan, cooler fan transit to the second time interval in first time section by working at this time.
Further, the first time section is 1h, and first frequency is 12~60Hz, and first direction is forward direction；It is described
Second time interval is 10s, and second frequency 60Hz, second direction is reversed；The third time interval is 5s, third frequency
For 70Hz.
Beneficial effect：The present invention is by controlling fan rotational frequency and rotation direction, and fan blade is in n- reversion
Under the action of, using inertia, by means of the wind-force of fan blade itself, so that dedusting is detached from fan blade, it is especially of the invention
The method of the blowback twice used, the running frequency of fan motor is improved in the blowback stage, so that the wind of cooler fan step by step
Power instantaneously enhances in the blowback stage, i.e. double conversion blowback i.e. so that fan motor is adjusted to peak torque from hot steady state torque,
Dust is cleaned out fan blade under the action of inertia, and efficiency of dust collection is higher, solves cooler fan blade and easily adheres to ash
The problem of dirt and sundries.
Specific embodiment
In order to more clearly illustrate technical solution of the present invention, combined with specific embodiments below furtherly to the present invention
It is bright.
Embodiment 1：A kind of cooler fan automatic dedusting method, includes the following steps：
S1. in first time section, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation；
S2. in the second time interval, fan motor drives the blade of cooler fan in a second direction with second frequency
Rotation, the second time interval are the secondary time section in first time section, and second direction is opposite two with first direction
Direction, second frequency are higher than first frequency.
Specifically：The first time section is 1h, and first frequency is 12~60Hz, and first direction is forward direction；It is described
Second time was 10s, and second frequency 60Hz, second direction is reversed
Embodiment 2：A kind of cooler fan automatic dedusting method, includes the following steps：
S1. in first time section, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation；
S2. in the second time interval, fan motor drives the blade of cooler fan in a second direction with second frequency
Rotation, the second time interval are the secondary time section in first time section, and second direction is opposite two with first direction
Direction, second frequency are higher than first frequency.
S3. in third time interval, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation, third time interval are the secondary time section of the second time interval, and third frequency is higher than second frequency；
S4. step S2~S3 is repeated.
Specifically, the first time section is 1h, and first frequency is 12~60Hz, and first direction is forward direction；It is described
Second time was 10s, and second frequency 60Hz, second direction is reversed；The third time is that section is 1h, and third frequency is
12~60Hz.
Embodiment 3：A kind of cooler fan automatic dedusting method, includes the following steps：
S1. in first time section, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation；
S2. in the second time interval, fan motor drives the blade of cooler fan in a second direction with second frequency
Rotation, the second time interval are the secondary time section in first time section, and second direction is opposite two with first direction
Direction, second frequency are higher than first frequency.
S3. in third time interval, fan motor drives the blade of cooler fan in a second direction with third frequency
Rotation, third time interval are the secondary time section of the second time interval, and third frequency is higher than second frequency；
S4. in the 4th time interval, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation, the 4th time interval are the secondary time section of third time interval；
S5. step S2~S4 is repeated.
Specifically, the first time section is 1h, and first frequency is 12~60Hz, and first direction is forward direction；It is described
Second time interval is 10s, and second frequency 60Hz, second direction is reversed；The third time interval is 5s, third frequency
For 70Hz；4th time interval is 1h, and the 4th frequency is 12~60Hz.
Embodiment 4：A kind of cooler fan automatic dedusting method, includes the following steps：
S1. in first time section, fan motor drives the blade of cooler fan in a first direction with first frequency
Rotation；
S2. in the second time interval, fan motor drives the blade of cooler fan in a second direction with second frequency
Rotation, the second time interval are the secondary time section in first time section, and second direction is opposite two with first direction
Direction, second frequency are higher than first frequency.
S3. in third time interval, fan motor drives the blade of cooler fan in a second direction with third frequency
Rotation, third time interval are the secondary time section of the second time interval；Third time interval terminates, the leaf of cooler fan
Piece stops operating.
Wherein：After first time section in step sl, cooler fan is switched to stopping shape by working condition
State, the blade stalling of cooler fan, cooler fan transit to the second time interval in first time section by working at this time.
Specifically, the first time section is 1h, and first frequency is 12~60Hz, and first direction is forward direction；It is described
Second time interval is 10s, and second frequency 60Hz, second direction is reversed；The third time interval is 5s, third frequency
For 70Hz.
Claims (2)
1. a kind of cooler fan automatic dedusting method：It is characterised in that it includes following steps：
S1. in first time section, fan motor drives the blade of cooler fan to rotate in a first direction with first frequency；
S2. in the second time interval, fan motor drives the blade of cooler fan to rotate in a second direction with second frequency,
Second time interval is the secondary time section in first time section, and second direction is opposite both direction with first direction,
Second frequency is higher than first frequency；
S3. in third time interval, fan motor drives the blade of cooler fan to rotate in a second direction with third frequency,
Third time interval is the secondary time section of the second time interval, and third frequency is higher than second frequency；Third time interval knot
The blade of beam, cooler fan stops operating；
Wherein：After first time section in step sl, cooler fan is switched to halted state by working condition, this
When cooler fan blade stalling, cooler fan transits to the second time interval in first time section by working.
2. a kind of cooler fan automatic dedusting method as described in claim 1, which is characterized in that
The first time section is 1h, and first frequency is 12 ~ 60Hz, and first direction is forward direction；
Second time interval is 10s, and second frequency 60Hz, second direction is reversed；
The third time interval is 5s, and third frequency is 70Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028367.3A CN105673577B (en) | 2014-12-24 | 2014-12-24 | A kind of cooler fan automatic dedusting method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817401.6A CN104564765B (en) | 2014-12-24 | 2014-12-24 | A kind of cooler fan automatic dust removing method |
| CN201610028367.3A CN105673577B (en) | 2014-12-24 | 2014-12-24 | A kind of cooler fan automatic dedusting method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410817401.6A Division CN104564765B (en) | 2014-12-24 | 2014-12-24 | A kind of cooler fan automatic dust removing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673577A CN105673577A (en) | 2016-06-15 |
| CN105673577B true CN105673577B (en) | 2018-11-16 |
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ID=56301090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610028367.3A Active CN105673577B (en) | 2014-12-24 | 2014-12-24 | A kind of cooler fan automatic dedusting method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793185A (en) * | 2010-03-03 | 2010-08-04 | 浙江大学 | Engine waste heat power generation system and power generation driving module |
| CN102022355A (en) * | 2009-09-16 | 2011-04-20 | 建准电机工业股份有限公司 | Cooling fan |
| CN202091228U (en) * | 2011-04-18 | 2011-12-28 | 河南奥鑫合金有限公司 | Ore smelting electric arc furnace flue dust concentration detection and dedusting fan frequency conversion speed regulation system |
| CN103032361A (en) * | 2012-12-27 | 2013-04-10 | 中冶长天国际工程有限责任公司 | Control method, device and system for dust removal fan |
-
2014
- 2014-12-24 CN CN201610028367.3A patent/CN105673577B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022355A (en) * | 2009-09-16 | 2011-04-20 | 建准电机工业股份有限公司 | Cooling fan |
| CN101793185A (en) * | 2010-03-03 | 2010-08-04 | 浙江大学 | Engine waste heat power generation system and power generation driving module |
| CN202091228U (en) * | 2011-04-18 | 2011-12-28 | 河南奥鑫合金有限公司 | Ore smelting electric arc furnace flue dust concentration detection and dedusting fan frequency conversion speed regulation system |
| CN103032361A (en) * | 2012-12-27 | 2013-04-10 | 中冶长天国际工程有限责任公司 | Control method, device and system for dust removal fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105673577A (en) | 2016-06-15 |
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