CN112578874A - Dust removal method, device and system - Google Patents
Dust removal method, device and system Download PDFInfo
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- CN112578874A CN112578874A CN201910923827.2A CN201910923827A CN112578874A CN 112578874 A CN112578874 A CN 112578874A CN 201910923827 A CN201910923827 A CN 201910923827A CN 112578874 A CN112578874 A CN 112578874A
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- 239000000428 dust Substances 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 85
- 238000001816 cooling Methods 0.000 claims description 83
- 230000005855 radiation Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3051—Monitoring arrangements for monitoring the configuration of the computing system or of the computing system component, e.g. monitoring the presence of processing resources, peripherals, I/O links, software programs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
- Human Computer Interaction (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a dust removal method, a dust removal device and a dust removal system, which are applied to the technical field of electronic equipment, wherein when a heat dissipation object works, the method obtains a preset parameter for representing the load state of the heat dissipation object, if the preset parameter meets a preset dust removal condition, the heat dissipation object is in a light load state at present, the heat dissipated by the heat dissipation object is not very high, the air-cooled heat dissipation process can be suspended, a heat dissipation fan is controlled to switch and turn, dust accumulated on the surface of the heat dissipation object is swept, and the dust is extracted from the space where the heat dissipation object is located through reverse airflow, so that the dust removal of the heat dissipation object is realized. Meanwhile, the manpower and material resource investment brought by on-site maintenance of the dustproof filter screen can be reduced.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to a dust removal method, a dust removal device and a dust removal system.
Background
Many electronic devices, such as servers, storage devices, communication devices, etc., generate a large amount of heat during their operation, and in order to ensure the normal operation of these electronic devices, necessary heat dissipation measures need to be taken during their operation, and air cooling heat dissipation is one of the commonly used heat dissipation measures.
The air-cooling heat dissipation mainly generates airflow flowing at high speed through a heat dissipation fan, so that heat generated by electronic equipment is taken away. However, during heat dissipation, dust is always entrained in the air and enters the electronic device through the ventilation opening of the air cooling system. Dust is continuously accumulated in the electronic equipment, the heat dissipation effect of the electronic equipment is seriously influenced, and meanwhile, the dust can corrode a printed circuit board, electronic components and the like in the electronic equipment, so that the service life of the electronic equipment is influenced.
Although can effectual prevention dust entering equipment content through set up dustproof filter screen in vent department, nevertheless the dustproof filter screen of installation not only can occupy equipment space, and moreover, dustproof filter screen often the windage is great, influences electronic equipment's radiating effect.
Disclosure of Invention
In view of the above, the present invention provides a dust removing method, device and system, which blow dust by controlling the turning switch of a cooling fan to solve the problem caused by adding a dust-proof filter screen in the prior art, and the specific scheme is as follows:
in a first aspect, the present invention provides a dust removing method applied to an air cooling system, where a cooling fan of the air cooling system is a dual-steering fan, the method including:
acquiring preset parameters for representing the load state of a heat dissipation object;
and if the preset parameters meet preset dust removal conditions, controlling the heat radiation fan to switch and turn, and removing dust from the heat radiation object.
Optionally, the controlling the cooling fan to switch the rotation direction includes:
and controlling the cooling fan to execute preset steering switching operation according to a preset time interval, wherein the preset steering switching operation comprises that the cooling fan rotates for a first time length in a first steering and then rotates for a second time length in a second steering.
Optionally, if the preset parameter is a CPU utilization rate, the preset dust removal condition is that the CPU utilization rate is lower than a preset utilization rate threshold;
if the preset parameter is the working temperature of the heat dissipation object, the preset dust removal condition is that the working temperature is lower than a preset temperature threshold value.
Optionally, the dust removing method provided by the first aspect of the present invention further includes:
counting the accumulated time of the heat radiation fan for executing the preset steering switching operation;
and if the accumulated time reaches a preset time threshold, controlling the cooling fan to rotate according to the second steering direction to cool the cooling object.
Optionally, if the preset parameter does not satisfy the preset dust removal condition, the cooling fan is maintained to rotate according to the current rotation direction.
In a second aspect, the present invention provides a dust removing device, comprising:
the acquiring unit is used for acquiring preset parameters for representing the load state of the heat dissipation object;
and the first control unit is used for controlling the heat radiation fan to switch and turn to remove dust of the heat radiation object if the preset parameters meet preset dust removal conditions.
Optionally, the first control unit is configured to control the cooling fan to switch the rotation direction, and specifically includes:
and controlling the cooling fan to execute preset steering switching operation according to a preset time interval, wherein the preset steering switching operation comprises that the cooling fan rotates for a first time length in a first steering and then rotates for a second time length in a second steering.
Optionally, the dust removing device provided by the second aspect of the present invention further includes:
the statistical unit is used for counting the accumulated time of the heat radiation fan for executing the preset steering switching operation;
and the second control unit is used for controlling the cooling fan to rotate according to the second steering direction to cool the cooling object if the accumulated time reaches a preset time threshold.
Optionally, the dust removing device provided by the second aspect of the present invention further includes:
and the third control unit is used for maintaining the cooling fan to rotate according to the current steering if the preset parameters do not meet the preset dust removal conditions.
In a third aspect, the present invention provides a dust removing system, comprising a controller and a heat dissipating fan, wherein,
the heat dissipation fan is a double-steering fan;
the controller is connected with the control end of the cooling fan;
the controller comprises a memory and a processor; the memory stores a program adapted to be executed by the processor to implement the dust removal method according to any one of the first aspect of the present invention.
The dust removal method provided by the invention is applied to an air cooling system, the radiating fan of the air cooling system is a double-steering fan, when a radiating object works, a preset parameter for representing the load state of the radiating object is obtained, if the preset parameter meets a preset dust removal condition, the radiating object is in a light load state at present, the heat emitted by the radiating object is not very high, the air cooling radiating process can be suspended, the radiating fan is controlled to switch and steer, the airflow direction flowing through the surface of the radiating object and the air pressure of the space where the radiating object is located are changed, dust accumulated on the surface of the radiating object is swept, and the dust is extracted from the space where the radiating object is located through reverse airflow, so that the dust removal of the radiating object is realized, compared with the dust removal method provided with the dustproof filter screen in the prior art, the dust removal method provided by the invention realizes the dust sweeping of the dust by controlling the steering and switching of the radiating fan, the space that electronic equipment can not occupy because of setting up dustproof filter screen, can not cause the influence to electronic equipment's normal heat dissipation more, simultaneously, can also reduce manpower, the material resources input that the dustproof filter screen of on-the-spot maintenance brought.
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a dust removal method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another dust removal method provided by an embodiment of the present invention;
FIG. 3 is a block diagram of a dust removing apparatus according to an embodiment of the present invention;
FIG. 4 is a block diagram of another dust-removing device provided in the embodiment of the present invention;
fig. 5 is a block diagram of a dust removing apparatus according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
In the working process of the electronic equipment, the load state of the electronic equipment is not always unchanged, and sometimes the electronic equipment is in a heavy load state, and sometimes the electronic equipment is in a light load state. The amount of heat generated by the electronic equipment in the working process has a direct corresponding relation with the load state of the electronic equipment, and when the electronic equipment is in a heavy load state, the generated heat is higher than the heat generated when the electronic equipment is in a light load state on average.
For the electronic equipment provided with the air cooling system, more heat is generated when the electronic equipment works in a heavy-load state, the air cooling system needs to work continuously, and the heat generated by the electronic equipment or electronic components in the electronic equipment is taken away by forcing the air outside the electronic equipment or inside the electronic equipment to flow; correspondingly, when the electronic equipment is in a light-load state, the generated heat is less, the heat dissipation requirement can be met by depending on the heat dissipation capacity of the electronic equipment, and under the condition, the air cooling system can stop working and does not cool the electronic equipment by air cooling any more.
Based on the premise, the embodiment of the invention provides a dust removal method which is applied to an air cooling system, in particular to a controller in the air cooling system. Of course, in some cases, the dust removal method provided by the embodiment of the present invention may also be applied to a server on the network side. The heat dissipation fan of the air cooling system in the embodiment of the invention is a double-steering fan, namely, the heat dissipation fan can rotate in a clockwise direction or a counterclockwise direction.
Optionally, referring to fig. 1, fig. 1 is a flowchart of a dust removal method provided in an embodiment of the present invention, where the flowchart may include:
s100, acquiring preset parameters for representing the load state of the heat dissipation object.
The heat dissipation object described in the embodiments of the present invention refers to an electronic device that needs to perform auxiliary heat dissipation through an air cooling system, and may also be a part of the electronic device, such as a CPU, a communication component, etc. with concentrated workload and large heat generation amount. In short, any object capable of performing auxiliary heat dissipation through the air cooling system belongs to the heat dissipation object described in the embodiment of the present invention, and the dust removal method provided in the embodiment of the present invention can also be used for removing dust.
As described above, the working state of the heat dissipation object is changed, and when the heat dissipation object is in a light load state, the air cooling system may be suspended to stop performing air cooling heat dissipation on the heat dissipation object. Therefore, in order to implement the dust removal method provided by the embodiment of the present invention, first, a preset parameter for representing a load state of a heat dissipation object must be obtained.
Optionally, for different electronic devices, the preset parameters capable of representing the load states of the electronic devices are different, for example, for a processor, the CPU utilization is a key parameter representing the load states of the electronic devices, and for example, the operating temperature of the heat dissipation object may also be directly selected as the preset parameter for representing the load states of the heat dissipation object, and for some application scenarios in which load current or load voltage may change, the load current or load voltage may also be selected as the preset parameter for representing the load states of the heat dissipation object. In summary, any preset parameter that can be used to characterize the load status of the heat dissipation object is optional without departing from the scope of the core idea of the present invention, and also falls within the protection scope of the present invention.
S110, judging whether the preset parameters meet the preset dust removal conditions, if so, executing S120, and if not, executing S130.
After the preset parameters are obtained, the preset parameters can be compared with the preset dust removal conditions, if the preset parameters meet the preset dust removal conditions, the heat dissipation object works in a light load state at the moment, air cooling heat dissipation can be suspended, and then S120 is executed; on the contrary, if the preset parameter does not satisfy the preset dust removal condition, it indicates that the heat dissipation object is working in a non-light load state or a heavy load state, and the air-cooled heat dissipation cannot be stopped, at this time, S130 needs to be executed.
Optionally, if the preset parameter is the CPU utilization, then correspondingly, the preset dust removal condition is that the CPU utilization is lower than a preset utilization threshold; if the preset parameter is the working temperature of the radiating object, correspondingly, the preset dust removal condition is that the working temperature is lower than the preset temperature threshold value. In short, the preset dust removal condition needs to be set according to the specific selection condition of the preset parameter, and the preset dust removal condition also belongs to the protection scope of the invention on the premise of not exceeding the core thought scope of the invention.
And S120, controlling the heat radiation fan to switch and turn, and removing dust from the heat radiation object.
As described above, if the obtained preset parameters satisfy the preset dust removal conditions, it indicates that the heat dissipation object is currently in a light load state, and the air cooling heat dissipation process may be suspended. In this case, the heat radiation fan is controlled to switch the direction of rotation, and is rotated in a direction opposite to the direction of rotation when the heat radiation object is radiated, thereby removing dust from the heat radiation object.
Specifically, if the cooling fan rotates clockwise when cooling the heat dissipation object, the cooling fan should rotate counterclockwise when removing dust from the heat dissipation object; correspondingly, if the heat dissipation fan rotates counterclockwise when dissipating heat from the heat dissipation object, the heat dissipation fan should rotate clockwise when removing dust from the heat dissipation object. Of course, the initial rotation direction of the heat dissipation fan is not limited in the embodiments of the present invention.
And S130, maintaining the rotation of the cooling fan according to the current rotation direction.
As described above, if the obtained preset parameters do not satisfy the preset dust removal conditions, it indicates that the heat dissipation object is currently in a non-light-load state or a heavy-load state, and the air-cooled heat dissipation process may not be suspended. In this case, it is sufficient to maintain the rotation of the heat radiation fan in the current direction, that is, the dust removal of the heat radiation object is not performed.
It should be particularly noted that the operation of obtaining the preset parameters may be performed according to a preset period, or may be performed in real time, however, no matter which obtaining method is specifically adopted, the rotation direction is switched by the control cooling fan, after the cooling operation is performed on the cooling object, the preset parameters also need to be obtained according to the preset obtaining method, and the obtained preset parameters are compared with the preset cooling condition, once the obtained preset parameters do not satisfy the preset cooling condition, the cooling operation on the cooling object needs to be stopped, and the cooling object is cooled, so that the normal operation of the cooling object cannot be affected.
To sum up, in the dust removing method provided in the embodiment of the present invention, when the preset parameter meets the preset dust removing condition, the air-cooled heat dissipation process is suspended, the heat dissipation fan is controlled to switch the direction, the airflow direction flowing through the surface of the heat dissipation object and the air pressure in the space where the heat dissipation object is located are changed, the dust accumulated on the surface of the heat dissipation object is blown, and the dust is extracted from the space where the heat dissipation object is located by the reverse airflow, so as to remove the dust from the heat dissipation object And (5) material resource investment.
Optionally, referring to fig. 2, fig. 2 is a flowchart of another dust removal method provided in the embodiment of the present invention, where the flowchart may include:
and S200, acquiring preset parameters for representing the load state of the heat dissipation object.
Optionally, an alternative implementation of S200 may be performed according to the content of S100 in the embodiment shown in fig. 1, and will not be repeated here.
S210, judging whether the preset parameters meet the preset dust removal conditions, if so, executing S220, and if not, executing S250.
Optionally, the determination of whether the preset parameter in S210 satisfies the preset dust removal condition may be performed with reference to the content of S110 in the embodiment shown in fig. 1, and will not be repeated here. If the preset parameter is judged to meet the preset dust removal condition, S220 is executed, and correspondingly, if the preset parameter is judged not to meet the preset dust removal condition, S250 is executed.
And S220, controlling the cooling fan to execute preset steering switching operation according to a preset time interval.
And under the condition that the preset parameters meet the preset dust removal conditions, controlling the cooling fan to execute steering switching operation according to a preset time interval.
Optionally, the preset steering switching operation according to the embodiment of the present invention includes: the cooling fan rotates for a first time period in a first rotating direction and then rotates for a second time period in a second rotating direction. It is conceivable that the first turning direction may be a turning direction when the heat dissipation object is subjected to heat dissipation, and the second turning direction corresponds to a turning direction when the heat dissipation object is subjected to dust removal; of course, the first turning direction may also be a turning direction when the heat dissipation object is subjected to dust removal, and correspondingly, the second turning direction is a turning direction when the heat dissipation object is subjected to heat dissipation.
Optionally, the preset time interval may be set as the sum of the first time period and the second time period, that is, the cooling fan is controlled to continuously and reciprocally switch between the first rotation direction and the second rotation direction. Of course, the preset time interval may also be selected as a longer time relative to the sum of the first time duration and the second time duration, and the cooling fan is controlled to stop rotating for a period of time after the switching operation is performed for one time, and then the next switching operation is started.
And S230, counting the accumulated time of the radiator fan executing the preset steering switching operation.
It should be noted that, the counting of the accumulated time duration is performed in synchronization with the control of the heat dissipation fan to perform the preset steering switching operation, and the embodiment of the present invention separately describes S220 and S230 for convenience of description, but does not strictly limit the execution sequence of the two operations.
And S240, judging whether the accumulated time length reaches a preset time length threshold value, if so, executing S250, and if not, returning to execute S230.
The preset time threshold set in the embodiment of the invention substantially limits the time for the radiating fan to carry out dust removal operation on the radiating object, so that the radiating fan is prevented from carrying out dust removal on the radiating object for a long time. And if the accumulated time reaches the preset time threshold, executing S250, controlling the cooling fan to rotate according to the first rotation direction or the second rotation direction, cooling the heat dissipation object, if the accumulated time does not reach the preset time threshold, returning to the step of executing S230, continuously counting the accumulated time until the accumulated time reaches the preset time threshold, and executing S250.
It should be noted that the selection of the preset duration threshold may be set according to comprehensive factors such as the rotation speed of the cooling fan, the air volume, the space of the cooling object, the relative speed of dust accumulation, and the like, or according to the practical experience of using the cooling object. The specific setting of the preset duration threshold is not limited.
And S250, controlling the cooling fan to rotate according to the first rotation direction or the second rotation direction to cool the cooling object.
As described above, the heat dissipation fan may dissipate heat from the heat dissipation object when rotating in the first direction, or may dissipate heat from the heat dissipation object when rotating in the second direction, so that the heat dissipation fan may be controlled to rotate in the first direction or the second direction when the accumulated time reaches the preset time threshold, and which direction is specifically selected to rotate depends on the initial setting of the air cooling system. However, no matter how the air cooling system is specifically set, after the accumulated time reaches the preset time threshold, the heat dissipation fan is controlled to dissipate heat of the heat dissipation object.
In summary, in the dust removing method provided by the embodiment of the invention, the rotation direction of the heat dissipating fan can be changed in a reciprocating manner, so that the generated air flow is oscillated and changed, the dust cleaning effect can be effectively improved, the dust at the corners inside the heat dissipating object can be removed, and even the heat dissipating object is kept in a low-dust state or a dust-free state all the time.
In the following, the dust removing apparatus provided in the embodiment of the present invention is introduced, and the dust removing apparatus described below may be regarded as a functional module architecture that needs to be set in the central device to implement the dust removing method provided in the embodiment of the present invention; the following description may be cross-referenced with the above.
Optionally, referring to fig. 3, fig. 3 is a block diagram of a dust removing device provided in an embodiment of the present invention, where the dust removing device may include:
the acquiring unit 10 is used for acquiring preset parameters for representing the load state of a heat dissipation object;
and the first control unit 20 is configured to control the heat dissipation fan to switch and turn to remove dust from the heat dissipation object if the preset parameter meets a preset dust removal condition.
Optionally, the first control unit 20, when being configured to control the cooling fan to switch the rotation direction, specifically includes:
and controlling the cooling fan to execute preset steering switching operation according to a preset time interval, wherein the preset steering switching operation comprises that the cooling fan rotates for a first time length in a first steering and then rotates for a second time length in a second steering.
Optionally, referring to fig. 4, fig. 4 is a block diagram of another dust removing device provided in the embodiment of the present invention, and on the basis of the embodiment shown in fig. 3, the dust removing device provided in the embodiment of the present invention further includes:
a counting unit 30, configured to count an accumulated time duration for the radiator fan to perform a preset steering switching operation;
and the second control unit 40 is configured to control the cooling fan to rotate according to the second steering direction to cool the cooling object if the accumulated time reaches a preset time threshold.
Optionally, referring to fig. 5, fig. 5 is a block diagram of a structure of another dust removing device provided in an embodiment of the present invention, and on the basis of the embodiment shown in fig. 3, the dust removing device provided in the embodiment of the present invention further includes:
and the third control unit 50 is configured to maintain the cooling fan to rotate according to the current steering direction if the preset parameter does not meet the preset dust removal condition.
Optionally, an embodiment of the present invention provides a dust removing system, which includes a controller and a cooling fan, wherein,
the heat dissipation fan is a double-steering fan;
the controller is connected with the control end of the cooling fan;
the controller comprises a memory and a processor; the memory stores a program suitable for the processor to execute so as to implement the dust removing method in any one of the embodiments shown in fig. 1 or fig. 2.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
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 (10)
1. A dust removal method is characterized by being applied to an air cooling system, wherein a heat dissipation fan of the air cooling system is a double-steering fan, and the method comprises the following steps:
acquiring preset parameters for representing the load state of a heat dissipation object;
and if the preset parameters meet preset dust removal conditions, controlling the heat radiation fan to switch and turn, and removing dust from the heat radiation object.
2. The dust removing method according to claim 1, wherein the controlling the heat dissipating fan to switch the rotational direction includes:
and controlling the cooling fan to execute preset steering switching operation according to a preset time interval, wherein the preset steering switching operation comprises that the cooling fan rotates for a first time length in a first steering and then rotates for a second time length in a second steering.
3. A dust removing method according to claim 1,
if the preset parameter is the CPU utilization rate, the preset dust removal condition is that the CPU utilization rate is lower than a preset utilization rate threshold value;
if the preset parameter is the working temperature of the heat dissipation object, the preset dust removal condition is that the working temperature is lower than a preset temperature threshold value.
4. The dust removal method according to claim 2, further comprising:
counting the accumulated time of the heat radiation fan for executing the preset steering switching operation;
and if the accumulated time reaches a preset time threshold, controlling the cooling fan to rotate according to the first steering or the second steering to cool the cooling object.
5. The dust removing method according to claim 1, wherein if the predetermined parameter does not satisfy a predetermined dust removing condition, the heat dissipating fan is maintained to rotate in accordance with a current rotation direction.
6. A dust removing device characterized by comprising:
the acquiring unit is used for acquiring preset parameters for representing the load state of the heat dissipation object;
and the first control unit is used for controlling the heat radiation fan to switch and turn to remove dust of the heat radiation object if the preset parameters meet preset dust removal conditions.
7. The dust removing device of claim 6, wherein the first control unit, when controlling the heat dissipating fan to switch the rotation direction, specifically comprises:
and controlling the cooling fan to execute preset steering switching operation according to a preset time interval, wherein the preset steering switching operation comprises that the cooling fan rotates for a first time length in a first steering and then rotates for a second time length in a second steering.
8. The dust removing device according to claim 6, further comprising:
the statistical unit is used for counting the accumulated time of the heat radiation fan for executing the preset steering switching operation;
and the second control unit is used for controlling the cooling fan to rotate according to the first steering or the second steering if the accumulated time reaches a preset time threshold value, so as to cool the cooling object.
9. The dust removing device according to claim 6, further comprising:
and the third control unit is used for maintaining the cooling fan to rotate according to the current steering if the preset parameters do not meet the preset dust removal conditions.
10. A dust removing system is characterized by comprising a controller and a heat radiation fan, wherein,
the heat dissipation fan is a double-steering fan;
the controller is connected with the control end of the cooling fan;
the controller comprises a memory and a processor; the memory stores a program adapted to be executed by the processor to implement the dust removal method of any one of claims 1 to 5.
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| CN201910923827.2A CN112578874A (en) | 2019-09-27 | 2019-09-27 | Dust removal method, device and system |
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| CN201910923827.2A CN112578874A (en) | 2019-09-27 | 2019-09-27 | Dust removal method, device and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606029A (en) * | 2021-08-31 | 2021-11-05 | 三一重机有限公司 | Control method and control device for cooling fan, engineering machine and storage medium |
| CN115090612A (en) * | 2022-06-30 | 2022-09-23 | 科华数据股份有限公司 | Power module dust removal method and device and dust removal system |
| WO2024055372A1 (en) * | 2022-09-13 | 2024-03-21 | 阳光电源股份有限公司 | Power converter and automatic dust cleaning method |
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