CN105545785B - A kind of cooler fan automatic dust removing method - Google Patents
A kind of cooler fan automatic dust removing method Download PDFInfo
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- CN105545785B CN105545785B CN201610027977.1A CN201610027977A CN105545785B CN 105545785 B CN105545785 B CN 105545785B CN 201610027977 A CN201610027977 A CN 201610027977A CN 105545785 B CN105545785 B CN 105545785B
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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
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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
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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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Abstract
本分案申请公开了一种冷却器风扇自动除尘方法，技术要点是：S3.在第三时间区间，风扇电机以第三频率带动冷却器风扇的叶片在第二方向上转动，第三时间区间为第二时间区间的次级时间区间，第三频率高于第二频率；S4.在第四时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动，第四时间区间为第三时间区间的次级时间区间。本发明通过对风扇转动频率和转动方向进行控制，风扇叶片在正‑反转的作用下，利用惯性，借助于风扇叶片自身的风力，使得除尘脱离风扇叶片，尤其是本发明采用的两次反吹的方法，在反吹阶段逐级提高风扇电机的运行频率，使得冷却器风扇的风力在反吹阶段瞬时增强。This divisional application discloses a cooler fan automatic dust removal method, the technical points are: S3. In the third time interval, the fan motor drives the blade of the cooler fan to rotate in the second direction at the third frequency, and the third time interval is the secondary time interval of the second time interval, the third frequency is higher than the second frequency; S4. In the fourth time interval, the fan motor drives the blade of the cooler fan to rotate in the first direction at the first frequency, and the fourth time The interval is a secondary time interval of the third time interval. The present invention controls the rotation frequency and direction of the fan, and the fan blade is under the action of forward-reverse, using inertia, with the help of the wind force of the fan blade itself, so that the dust is removed from the fan blade, especially the two reverse rotations adopted by the present invention In the blowing method, the operating frequency of the fan motor is gradually increased in the reverse blowing stage, so that the wind force of the cooler fan is instantly increased in the reverse blowing stage.
Description
本申请是申请号为201410817401.6，申请日为2014-12-24，发明创造名称为一种冷却器风扇自动除尘方法的发明专利申请的分案申请。This application is a divisional application of an invention patent application with the application number 201410817401.6 and the application date of 2014-12-24, and the invention name is an automatic dust removal method for a cooler fan.
技术领域technical field
本发明涉及一种除尘方法，特别涉及一种冷却器风扇自动除尘方法。The invention relates to a dust removal method, in particular to a cooler fan automatic dust removal method.
背景技术Background technique
风电发电机组的冷却器需要使用冷却器风扇对其进行降温处理，冷却器风扇的运行过程中，灰尘及杂物极易附着在冷却器风扇的叶片上，严重影响了冷却器风扇的散热效率，随着灰尘及油污的积累，会进一步影响冷却器的冷却效果，进而使得齿轮箱内的润滑油的油温的温度调节效率较低。The cooler of the wind power generating set needs to use the cooler fan to cool it down. During the operation of the cooler fan, dust and debris are easily attached to the blades of the cooler fan, which seriously affects the heat dissipation efficiency of the cooler fan. With the accumulation of dust and oil, the cooling effect of the cooler will be further affected, and then the temperature regulation efficiency of the oil temperature of the lubricating oil in the gear box will be low.
发明内容Contents of the invention
本发明提供了一种冷却器风扇自动除尘方法，对风扇转动频率和转动方向进行控制，以解决冷却器风扇叶片易附着灰尘和杂物的问题。The invention provides an automatic dust removal method for a fan of a cooler, which controls the rotation frequency and direction of the fan to solve the problem that dust and sundries are easily attached to the fan blades of the cooler.
本发明为实现上述目的采用的技术方案为：一种冷却器风扇自动除尘方法：包括如下步骤：The technical scheme that the present invention adopts for realizing the above object is: a kind of cooler fan automatic dedusting method: comprises the following steps:
S1.在第一时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动；S1. In the first time interval, the fan motor drives the blades of the cooler fan to rotate in the first direction at the first frequency;
S2.在第二时间区间，风扇电机以第二频率带动冷却器风扇的叶片在第二方向上转动，第二时间区间为第一时间区间的次级时间区间，第二方向与第一方向为相反的两个方向，第二频率高于第一频率。S2. In the second time interval, the fan motor drives the blades of the cooler fan to rotate in the second direction at the second frequency, the second time interval is the secondary time interval of the first time interval, and the second direction and the first direction are In opposite directions, the second frequency is higher than the first frequency.
作为另一技术方案的补充：在步骤S1和步骤S2的基础上，还包括如下步骤：As a supplement to another technical solution: on the basis of step S1 and step S2, the following steps are also included:
S3.在第三时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动，第三时间区间为第二时间区间的次级时间区间，第三频率高于第二频率；S3. In the third time interval, the fan motor drives the blade of the cooler fan to rotate in the first direction at the first frequency, the third time interval is the secondary time interval of the second time interval, and the third frequency is higher than the second frequency ;
S4.重复步骤S2～S3。S4. Steps S2-S3 are repeated.
进一步的，所述第一时间区间为1h，第一频率为12～60Hz，第一方向为正向；所述第二时间为10s，第二频率为60Hz，第二方向为反向；所述第三时间为区间为1h，第三频率为12～60Hz。Further, the first time interval is 1 hour, the first frequency is 12-60 Hz, and the first direction is forward; the second time is 10 s, the second frequency is 60 Hz, and the second direction is reverse; The third time interval is 1 hour, and the third frequency is 12-60 Hz.
作为另一技术方案的补充，在步骤S1和步骤S2的基础上，还包括如下步骤：As a supplement to another technical solution, on the basis of step S1 and step S2, the following steps are also included:
S3.在第三时间区间，风扇电机以第三频率带动冷却器风扇的叶片在第二方向上转动，第三时间区间为第二时间区间的次级时间区间，第三频率高于第二频率；S3. In the third time interval, the fan motor drives the blade of the cooler fan to rotate in the second direction at the third frequency, the third time interval is the secondary time interval of the second time interval, and the third frequency is higher than the second frequency ;
S4.在第四时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动，第四时间区间为第三时间区间的次级时间区间；S4. In the fourth time interval, the fan motor drives the blade of the cooler fan to rotate in the first direction at the first frequency, and the fourth time interval is a secondary time interval of the third time interval;
S5.重复步骤S2～S4。S5. Steps S2-S4 are repeated.
进一步的，所述第一时间区间为1h，第一频率为12～60Hz，第一方向为正向；所述第二时间区间为10s，第二频率为60Hz，第二方向为反向；所述第三时间区间为5s，第三频率为70Hz；所述第四时间区间为1h，第四频率为12～60Hz。Further, the first time interval is 1h, the first frequency is 12-60Hz, and the first direction is forward; the second time interval is 10s, the second frequency is 60Hz, and the second direction is reverse; The third time interval is 5s, and the third frequency is 70Hz; the fourth time interval is 1h, and the fourth frequency is 12-60Hz.
作为另一技术方案的补充，在步骤S1和步骤S2的基础上，还包括如下步骤：As a supplement to another technical solution, on the basis of step S1 and step S2, the following steps are also included:
S3.在第三时间区间，风扇电机以第三频率带动冷却器风扇的叶片在第二方向上转动，第三时间区间为第二时间区间的次级时间区间；第三时间区间结束，冷却器风扇的叶片停止转动。S3. In the third time interval, the fan motor drives the blade of the cooler fan to rotate in the second direction with the third frequency, and the third time interval is the secondary time interval of the second time interval; when the third time interval ends, the cooler The blades of the fan stop turning.
其中：在步骤S1中的第一时间区间结束后，冷却器风扇由工作状态切换为停止状态，此时冷却器风扇的叶片停转，冷却器风扇由工作在第一时间区间过渡至第二时间区间。Wherein: after the end of the first time interval in step S1, the cooler fan is switched from the working state to the stop state, at this time, the blades of the cooler fan are stopped, and the cooler fan is transitioned to the second time by working in the first time interval interval.
进一步的，所述第一时间区间为1h，第一频率为12～60Hz，第一方向为正向；所述第二时间区间为10s，第二频率为60Hz，第二方向为反向；所述第三时间区间为5s，第三频率为70Hz。Further, the first time interval is 1h, the first frequency is 12-60Hz, and the first direction is forward; the second time interval is 10s, the second frequency is 60Hz, and the second direction is reverse; The third time interval is 5s, and the third frequency is 70Hz.
有益效果：本发明通过对风扇转动频率和转动方向进行控制，风扇叶片在正-反转的作用下，利用惯性，借助于风扇叶片自身的风力，使得除尘脱离风扇叶片，尤其是本发明采用的两次反吹的方法，在反吹阶段逐级提高风扇电机的运行频率，使得冷却器风扇的风力在反吹阶段瞬时增强，即两次变频反吹即使得风扇电机从热稳态转矩调整到峰值转矩，灰尘在惯性的作用下被清理出风扇叶片，除尘效率较高，解决了冷却器风扇叶片易附着灰尘和杂物的问题。Beneficial effects: the invention controls the rotation frequency and rotation direction of the fan, and the fan blade is under the action of forward-reverse rotation, using inertia, with the help of the wind force of the fan blade itself, so that the dust is removed from the fan blade, especially the fan blade used in the present invention The method of double back blowing increases the operating frequency of the fan motor step by step during the back blowing stage, so that the wind force of the cooler fan increases instantaneously during the back blowing stage, that is, the two frequency conversion back blowing means that the fan motor is adjusted from the thermal steady state torque When the peak torque is reached, the dust is cleaned out of the fan blades under the action of inertia, and the dust removal efficiency is high, which solves the problem that the fan blades of the cooler are easy to attach dust and debris.
具体实施方式detailed description
为了更为清楚地说明本发明的技术方案，下面结合具体实施例对本发明进一步说明。In order to illustrate the technical solutions of the present invention more clearly, the present invention will be further described below in conjunction with specific examples.
实施例1：一种冷却器风扇自动除尘方法，包括如下步骤：Embodiment 1: a kind of cooler fan automatic dedusting method comprises the steps:
S1.在第一时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动；S1. In the first time interval, the fan motor drives the blades of the cooler fan to rotate in the first direction at the first frequency;
S2.在第二时间区间，风扇电机以第二频率带动冷却器风扇的叶片在第二方向上转动，第二时间区间为第一时间区间的次级时间区间，第二方向与第一方向为相反的两个方向，第二频率高于第一频率。S2. In the second time interval, the fan motor drives the blades of the cooler fan to rotate in the second direction at the second frequency, the second time interval is the secondary time interval of the first time interval, and the second direction and the first direction are In opposite directions, the second frequency is higher than the first frequency.
具体的说：所述第一时间区间为1h，第一频率为12～60Hz，第一方向为正向；所述第二时间为10s，第二频率为60Hz，第二方向为反向Specifically: the first time interval is 1h, the first frequency is 12-60Hz, and the first direction is forward; the second time is 10s, the second frequency is 60Hz, and the second direction is reverse
实施例2：一种冷却器风扇自动除尘方法，包括如下步骤：Embodiment 2: a kind of cooler fan automatic dedusting method comprises the following steps:
S1.在第一时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动；S1. In the first time interval, the fan motor drives the blades of the cooler fan to rotate in the first direction at the first frequency;
S2.在第二时间区间，风扇电机以第二频率带动冷却器风扇的叶片在第二方向上转动，第二时间区间为第一时间区间的次级时间区间，第二方向与第一方向为相反的两个方向，第二频率高于第一频率。S2. In the second time interval, the fan motor drives the blades of the cooler fan to rotate in the second direction at the second frequency, the second time interval is the secondary time interval of the first time interval, and the second direction and the first direction are In opposite directions, the second frequency is higher than the first frequency.
S3.在第三时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动，第三时间区间为第二时间区间的次级时间区间，第三频率高于第二频率；S3. In the third time interval, the fan motor drives the blade of the cooler fan to rotate in the first direction at the first frequency, the third time interval is the secondary time interval of the second time interval, and the third frequency is higher than the second frequency ;
S4.重复步骤S2～S3。S4. Steps S2-S3 are repeated.
具体的说，所述第一时间区间为1h，第一频率为12～60Hz，第一方向为正向；所述第二时间为10s，第二频率为60Hz，第二方向为反向；所述第三时间为区间为1h，第三频率为12～60Hz。Specifically, the first time interval is 1 hour, the first frequency is 12-60 Hz, and the first direction is forward; the second time is 10 s, the second frequency is 60 Hz, and the second direction is reverse; The third time interval is 1 hour, and the third frequency is 12-60 Hz.
实施例3：一种冷却器风扇自动除尘方法，包括如下步骤：Embodiment 3: a kind of cooler fan automatic dedusting method comprises the following steps:
S1.在第一时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动；S1. In the first time interval, the fan motor drives the blades of the cooler fan to rotate in the first direction at the first frequency;
S2.在第二时间区间，风扇电机以第二频率带动冷却器风扇的叶片在第二方向上转动，第二时间区间为第一时间区间的次级时间区间，第二方向与第一方向为相反的两个方向，第二频率高于第一频率。S2. In the second time interval, the fan motor drives the blades of the cooler fan to rotate in the second direction at the second frequency, the second time interval is the secondary time interval of the first time interval, and the second direction and the first direction are In opposite directions, the second frequency is higher than the first frequency.
S3.在第三时间区间，风扇电机以第三频率带动冷却器风扇的叶片在第二方向上转动，第三时间区间为第二时间区间的次级时间区间，第三频率高于第二频率；S3. In the third time interval, the fan motor drives the blade of the cooler fan to rotate in the second direction at the third frequency, the third time interval is the secondary time interval of the second time interval, and the third frequency is higher than the second frequency ;
S4.在第四时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动，第四时间区间为第三时间区间的次级时间区间；S4. In the fourth time interval, the fan motor drives the blade of the cooler fan to rotate in the first direction at the first frequency, and the fourth time interval is a secondary time interval of the third time interval;
S5.重复步骤S2～S4。S5. Steps S2-S4 are repeated.
具体的说，所述第一时间区间为1h，第一频率为12～60Hz，第一方向为正向；所述第二时间区间为10s，第二频率为60Hz，第二方向为反向；所述第三时间区间为5s，第三频率为70Hz；所述第四时间区间为1h，第四频率为12～60Hz。Specifically, the first time interval is 1 hour, the first frequency is 12-60 Hz, and the first direction is forward; the second time interval is 10 s, the second frequency is 60 Hz, and the second direction is reverse; The third time interval is 5s, and the third frequency is 70Hz; the fourth time interval is 1h, and the fourth frequency is 12-60Hz.
实施例4：一种冷却器风扇自动除尘方法，包括如下步骤：Embodiment 4: a kind of cooler fan automatic dedusting method comprises the following steps:
S1.在第一时间区间，风扇电机以第一频率带动冷却器风扇的叶片在第一方向上转动；S1. In the first time interval, the fan motor drives the blades of the cooler fan to rotate in the first direction at the first frequency;
S2.在第二时间区间，风扇电机以第二频率带动冷却器风扇的叶片在第二方向上转动，第二时间区间为第一时间区间的次级时间区间，第二方向与第一方向为相反的两个方向，第二频率高于第一频率。S2. In the second time interval, the fan motor drives the blades of the cooler fan to rotate in the second direction at the second frequency, the second time interval is the secondary time interval of the first time interval, and the second direction and the first direction are In opposite directions, the second frequency is higher than the first frequency.
S3.在第三时间区间，风扇电机以第三频率带动冷却器风扇的叶片在第二方向上转动，第三时间区间为第二时间区间的次级时间区间；第三时间区间结束，冷却器风扇的叶片停止转动。S3. In the third time interval, the fan motor drives the blade of the cooler fan to rotate in the second direction with the third frequency, and the third time interval is the secondary time interval of the second time interval; when the third time interval ends, the cooler The blades of the fan stop turning.
其中：在步骤S1中的第一时间区间结束后，冷却器风扇由工作状态切换为停止状态，此时冷却器风扇的叶片停转，冷却器风扇由工作在第一时间区间过渡至第二时间区间。Wherein: after the end of the first time interval in step S1, the cooler fan is switched from the working state to the stop state, at this time, the blades of the cooler fan are stopped, and the cooler fan is transitioned to the second time by working in the first time interval interval.
具体的说，所述第一时间区间为1h，第一频率为12～60Hz，第一方向为正向；所述第二时间区间为10s，第二频率为60Hz，第二方向为反向；所述第三时间区间为5s，第三频率为70Hz。Specifically, the first time interval is 1 hour, the first frequency is 12-60 Hz, and the first direction is forward; the second time interval is 10 s, the second frequency is 60 Hz, and the second direction is reverse; The third time interval is 5s, and the third frequency is 70Hz.
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| 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 removal 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 |
| CN119687022B (en) * | 2025-02-24 | 2025-06-17 | 常州辉途智能科技有限公司 | Intelligent control device, control system and control method for fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002242878A (en) * | 2001-02-14 | 2002-08-28 | Hitachi Kokusai Electric Inc | Blast cooling device |
| CN100478837C (en) * | 2005-11-18 | 2009-04-15 | 纬创资通股份有限公司 | Method for removing dust by using cooling fan and dust removing device for computer equipment |
| 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 | Centrifugal Cooling Fan |
| CN102418705A (en) * | 2010-09-27 | 2012-04-18 | 建准电机工业股份有限公司 | cooling fan |
| JP2012170198A (en) * | 2011-02-10 | 2012-09-06 | Rohm Co Ltd | Fan motor drive device and cooling apparatus using the same |
| JP2012167657A (en) * | 2011-02-17 | 2012-09-06 | Panasonic Corp | Ceiling fan |
| TW201244621A (en) * | 2011-04-28 | 2012-11-01 | Asustek Comp Inc | Electronic device |
| TWI487841B (en) * | 2011-05-12 | 2015-06-11 | Adda Corp | Heat dissipation fan |
| CN102996483B (en) * | 2011-09-13 | 2015-07-08 | 宏碁股份有限公司 | Automatic dust exhaust fan device and dust exhaust method of automatic dust exhaust fan device |
| CN103362840B (en) * | 2012-04-09 | 2016-05-04 | 台达电子工业股份有限公司 | How to control the 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 |
| 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 removal method |
-
2014
- 2014-12-24 CN CN201410817401.6A patent/CN104564765B/en not_active Expired - Fee Related
- 2014-12-24 CN CN201610027977.1A patent/CN105545785B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564765B (en) | 2016-07-06 |
| CN105545785A (en) | 2016-05-04 |
| CN104564765A (en) | 2015-04-29 |
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