CN105526183A - Method and device for controlling rotating speed of fan - Google Patents
Method and device for controlling rotating speed of fan Download PDFInfo
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- CN105526183A CN105526183A CN201410521164.9A CN201410521164A CN105526183A CN 105526183 A CN105526183 A CN 105526183A CN 201410521164 A CN201410521164 A CN 201410521164A CN 105526183 A CN105526183 A CN 105526183A
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Abstract
The embodiment of the invention provides a method and device for controlling the rotating speed of a fan. According to the current total power of a hard disk, the current environment temperature and a parameter representing the current rotating speed of the fan, the current temperature of the hard disk is determined, and the rotating speed of the fan is controlled according to the current temperature of the hard disk. Because the current total power of the hard disk, the current environment temperature and the rotating speed of the fan are closely related to the current temperature of the hard disk, the temperature value determined by using the parameters under the situation that the hard disk is idle is certainly different from the temperature value determined in the working state of the hard disk. Thus, when the determined temperature value is used as a basis for controlling the rotating speed of the fan, the rotating speed of the fan in the idle condition of the hard disk is lower than the rotating speed of the fan in the working state of the hard disk. Therefore, in the idle state of the hard disk, unnecessary wasting of resources is avoided, and the purpose of saving resources is realized.
Description
Technical field
The present invention relates to computer realm, particularly relate to a kind of method and the device that control rotation speed of the fan.
Background technique
Hard disk is memory cell important in electronic equipment, and in order to ensure the normal use of hard disk, generally can arrange fan is in the electronic device Hard disk heat radiation.
Comparatively difficult owing to directly reading hard disk temperature, so, hard disk temperature usually can not as the foundation of the rotating speed of control fan, therefore, in order to ensure under any circumstance, fan can meet the demand of Hard disk heat radiation, and the rotating speed of fan can continue to maintain a higher level, namely no matter hard disk is in work or idle condition, and fan all can meet the rotation speed operation of radiating requirements under hard disk operational state.
Visible, when hard disk is in idle condition, the rotating speed of fan can not reduce, so, the unnecessary wasting of resources can be caused.
Summary of the invention
Embodiments provide a kind of method and the device that control rotation speed of the fan, object is the problem solving the wasting of resources that existing fan rotational frequency control method causes.
To achieve these goals, following technological scheme is embodiments provided:
Control a method for rotation speed of the fan, described fan is used for, for Hard disk heat radiation, comprising:
Obtain the current total output of described hard disk, current environmental temperature and the first parameter, described first parameter is for characterizing the current rotating speed of described fan;
According to total output, described current environmental temperature and described first parameter that described hard disk is current, determine the temperature that described hard disk is current;
According to the temperature that described hard disk is current, control the rotating speed of described fan.
Alternatively, described according to current total output, current environmental temperature and described first parameter of hard disk, determine that the current temperature of described hard disk comprises:
The total output of described hard disk is higher, determines that the current temperature of described hard disk is higher;
Described current environmental temperature is higher, determines that the current temperature of described hard disk is higher;
The rotating speed that described in described first parameter characterization, fan is current is lower, determines that the current temperature of described hard disk is higher.
Alternatively, the total output of described hard disk is higher, determines that the temperature of described hard disk is higher, described current environmental temperature is higher, determine that the temperature of described hard disk is higher, the rotating speed that described in described first parameter characterization, fan is current is lower, determines that the temperature of described hard disk is higher and comprises:
Determine the current temperature of described hard disk be described current environmental temperature and the first numerical value and, described first numerical value is the multiple of the total output of described hard disk and the ratio of described first parameter.
Alternatively, when the quantity of described hard disk is greater than 1, described first numerical value is: the multiple of the total output of described hard disk and the ratio of the first product, and described first product is the product of the quantity of described first parameter and described hard disk.
Alternatively, described first parameter comprises:
The air mass flow of fan.
Control a device for rotation speed of the fan, described fan is used for, for Hard disk heat radiation, comprising:
Parameter acquisition module, for obtaining the current total output of described hard disk, current environmental temperature and the first parameter, described first parameter is for characterizing the current rotating speed of described fan;
Temperature determination module, for according to current total output, described current environmental temperature and described first parameter of described hard disk, determines the temperature that described hard disk is current;
Control module, for according to the current temperature of described hard disk, controls the rotating speed of described fan.
Alternatively, described temperature determination module is used for according to current total output, described current environmental temperature and described first parameter of described hard disk, determines that the current temperature of described hard disk comprises:
Described temperature determination module specifically for, the total output of described hard disk is higher, determines that the current temperature of described hard disk is higher; Described current environmental temperature is higher, determines that the current temperature of described hard disk is higher; The rotating speed that described in described first parameter characterization, fan is current is lower, determines that the current temperature of described hard disk is higher.
Alternatively, described temperature determination module is higher specifically for the total output of described hard disk, determine that the current temperature of described hard disk is higher, described current environmental temperature is higher, determine that the current temperature of described hard disk is higher, the rotating speed that described in described first parameter characterization, fan is current is lower, determines that the current temperature of described hard disk is higher and comprises:
Described temperature determination module specifically for, determine the current temperature of described hard disk be described current environmental temperature and the first numerical value and, described first numerical value is the multiple of the total output of described hard disk and the ratio of described first parameter.
Alternatively, described temperature determination module be used for also for: when the quantity of described hard disk is greater than 1, determine that described first numerical value is: the multiple of the total output of described hard disk and the ratio of the first product, described first product is the product of the quantity of described first parameter and described hard disk.
Alternatively, described parameter acquisition module comprises for obtaining the current total output of described hard disk, current environmental temperature and the first parameter:
Described parameter acquisition module specifically for, obtain the air mass flow of the current total output of described hard disk, current environmental temperature and fan.
The method of the control rotation speed of the fan that the embodiment of the present invention provides and device, according to the total output that hard disk is current, current environmental temperature and characterize the parameter of the current rotating speed of described fan, determine the temperature that described hard disk is current, and the rotating speed of described fan is controlled according to described temperature, because the total output that hard disk is current, the temperature that the rotating speed of current environmental temperature and fan is all current with hard disk is closely related, so, when hard disk is in the free time, use the temperature value determined of above-mentioned parameter inevitable different from the temperature value determined under hard disk is in running order, therefore, when the temperature value determined is as when controlling the foundation of rotation speed of the fan, the rotating speed of the fan when the hard disk free time, lower than the rotating speed under hard disk operational state, thus under the state of hard disk free time, avoid the unnecessary wasting of resources.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart controlling the method for rotation speed of the fan disclosed in the embodiment of the present invention;
Fig. 2 is the flow chart of the method for the embodiment of the present invention another control rotation speed of the fan disclosed;
Fig. 3 is the flow chart of the method for the embodiment of the present invention another control rotation speed of the fan disclosed;
Fig. 4 is a kind of structural representation controlling the device of rotation speed of the fan disclosed in the embodiment of the present invention.
Embodiment
A kind of method and device controlling rotation speed of the fan disclosed in the embodiment of the present application, be applied to electronic equipment, described electronic equipment has hard disk, in order to meet the demand of Hard disk heat radiation, is also provided with fan in described electronic equipment, for being described Hard disk heat radiation.Fan control apparatus is for controlling the rotating speed of fan.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of method controlling rotation speed of the fan disclosed in the embodiment of the present application, as shown in Figure 1, comprises the following steps:
S101: obtain the current total output of described hard disk, current environmental temperature and the first parameter, described first parameter is for characterizing the current rotating speed of described fan;
Particularly, in this step, all parameters all can obtain by measuring.Concrete metering system can see prior art.
S102: according to total output, described current environmental temperature and described first parameter that described hard disk is current, determine the temperature that described hard disk is current;
S103: according to the temperature that described hard disk is current, control the rotating speed of described fan.
Particularly, temperature current for hard disk can be sent to fan control apparatus, set corresponding rotating speed by fan control apparatus according to the temperature that hard disk is current, and use the rotating speed of setting to control the operation of fan.
In the prior art, the temperature of hard disk can only be obtained by the sensor of hard drive internal, and this method problem is: the first, hard disk temperature should be as the criterion with harddisk surface, and the temperature that hard drive internal obtains is inaccurate; The second, in order to ensure the working efficiency of hard disk, always can not read temperature by sensor, so, existing hard disk temperature method of measurement, both inaccurate can not Real-time Obtaining temperature, therefore, in prior art, when determining rotation speed of the fan, not using hard disk temperature as foundation, but continue rotation speed of the fan to maintain a higher level, to guarantee the heat radiation of hard disk.
And the method for the control rotation speed of the fan described in the present embodiment, according to the total output that hard disk is current, first parameter of current environmental temperature and rotation speed of the fan is as foundation, determine the temperature that hard disk is current, obviously, under the idle and working state of hard disk, the total output that hard disk is current, current environmental temperature and rotation speed of the fan difference, so, above-mentioned foundation can reflect that hard disk is current and be in running order or be in idle condition, therefore, the Current Temperatures of hard disk is determined with above-mentioned foundation, and the rotating speed of fan is controlled with the Current Temperatures determined, the rotation speed of the fan that current described state matches with hard disk can be obtained, thus make fan when idle condition, fan runs with the rotating speed lower than working state, realize the object solving resource.
It should be noted that, current total output, current environmental temperature and the rotation speed of the fan of the hard disk used in the present embodiment is the objective parameter of the Current Temperatures characterizing hard disk, and non-artificial setting, the current temperature of hard disk is by the constraint of above-mentioned parameter, method described in the present embodiment, utilizes this objective restriction relation, utilizes technological means to determine the temperature that hard disk is current, and according to the rotating speed of the current temperature controlled fan of hard disk, thus avoid the waste to resource.
The method of the embodiment of the present application another control rotation speed of the fan disclosed, as shown in Figure 2, comprises the following steps:
S201: the air mass flow Q obtaining the current total output of described hard disk, current environmental temperature and fan;
In the present embodiment, particularly, the first parameter be the air mass flow Q of fan, Q for characterizing the current rotating speed of described fan, Q is the function of rotation speed of the fan, and the rotating speed of fan is higher, flows to Q larger.
S202: the total output of described hard disk is higher, determines that current higher, the described current environmental temperature of temperature of described hard disk is higher, determines that current higher, the described Q of temperature of described hard disk is lower, determines that the current temperature of described hard disk is higher;
Particularly, can determine the current temperature of described hard disk be described current environmental temperature and the first numerical value and, described first numerical value is the multiple of the total output of described hard disk and the ratio of described Q;
S203: according to the temperature that described hard disk is current, control the rotating speed of described fan.
In the present embodiment, determine the total output of the temperature of hard disk and hard disk, current environmental temperature positive correlation, with Q inverse correlation, and according to the rotating speed of the temperature controlled fan determined, thus make the rotating speed of fan and hard disk current described in state match.
The method of the embodiment of the present application another control rotation speed of the fan disclosed, as shown in Figure 3, comprises the following steps:
S301: obtain the total output power that multiple hard disk is current;
Particularly, when the quantity HDDq'ty of hard disk is multiple, the current total output of multiple hard disk is multiple hard disk power sums.
S302: the air mass flow Q obtaining current environmental temperature Tin and fan;
S303: calculate the temperature that hard disk is current
Wherein, HDDtemperature is the current temperature of hard disk, and C is constant, and HDDq'ty is the quantity of hard disk, and Tin is current environmental temperature, and Q is the air mass flow of fan.
S304: according to the temperature that described hard disk is current, control the rotating speed of described fan.
Particularly, when the temperature that hard disk is current is lower, fan can be controlled and run with the slow-speed of revolution, when the temperature that hard disk is current is higher, then controls fan and run with high rotating speed.
Method described in the present embodiment, utilize the total output of temperature closely-related Q, current environmental temperature and the hard disk current with hard disk, calculate the temperature that hard disk is current, compared with the existing technology by sensor measurement harddisk surface temperature, the temperature value obtained is more accurate, further, at any time and the uninterrupted temperature obtaining hard disk, and the operation of hard disk self can not can be disturbed.
Therefore, it is possible to use the current temperature of hard disk to control the rotating speed of fan, thus the state of the rotating speed and hard disk that realize fan is to adaptation, and when hard disk is idle, fan runs with the slow-speed of revolution, so, can saving resource.
With said method embodiment accordingly, the embodiment of the present application also discloses a kind of device controlling rotation speed of the fan, and as shown in Figure 4, comprise parameter acquisition module 401, temperature determination module 402 and control module 403, wherein the function of modules is as follows:
Parameter acquisition module 401, for obtaining the current total output of described hard disk, current environmental temperature and the first parameter, described first parameter is for characterizing the current rotating speed of described fan;
Temperature determination module 402, for according to current total output, described current environmental temperature and described first parameter of described hard disk, determines the temperature that described hard disk is current;
Control module 403, for according to the current temperature of described hard disk, controls the rotating speed of described fan.
Device described in the present embodiment, according to the total output that hard disk is current, first parameter of current environmental temperature and rotation speed of the fan is as foundation, determine the temperature that hard disk is current, obviously, under the idle and working state of hard disk, the total output that hard disk is current, current environmental temperature and rotation speed of the fan difference, so, above-mentioned foundation can reflect that hard disk is current and be in running order or be in idle condition, therefore, the Current Temperatures of hard disk is determined with above-mentioned foundation, and the rotating speed of fan is controlled with the Current Temperatures determined, the rotation speed of the fan that current described state matches with hard disk can be obtained, thus make fan when idle condition, fan runs with the rotating speed lower than working state, realize the object solving resource.
Further, temperature determination module described in the present embodiment is according to current total output, described current environmental temperature and described first parameter of described hard disk, determine that the specific implementation of the temperature that described hard disk is current can be: the total output of described hard disk is higher, determine that the current temperature of described hard disk is higher; Described current environmental temperature is higher, determines that the current temperature of described hard disk is higher; The rotating speed that described in described first parameter characterization, fan is current is lower, determines that the current temperature of described hard disk is higher; Further, can determine the current temperature of described hard disk be described current environmental temperature and the first numerical value and, described first numerical value is the multiple of the total output of described hard disk and the ratio of described first parameter, when the quantity of described hard disk is greater than 1, determine that described first numerical value is: the multiple of the total output of described hard disk and the ratio of the first product, described first product is the product of the quantity of described first parameter and described hard disk; Further, formula can be used
Calculate temperature value, wherein, HDDtemperature is the current temperature of hard disk, and C is constant, and HDDq'ty is the quantity of hard disk, and Tin is current environmental temperature, and Q is the air mass flow of fan.
Alternatively, parameter acquisition module described in the present embodiment obtains the specific implementation of the current total output of described hard disk, current environmental temperature and the first parameter and can be: the air mass flow obtaining the current total output of described hard disk, current environmental temperature and fan.
The device of rotation speed of the fan is controlled described in the present embodiment, the total output of the closely-related Q of the temperature current with hard disk, current environmental temperature and hard disk can be utilized, calculate the temperature that hard disk is current, compared with the existing technology by sensor measurement harddisk surface temperature, the temperature value obtained is more accurate, further, at any time and the uninterrupted temperature obtaining hard disk, and the operation of hard disk self can not can be disturbed.Meanwhile, the state of the rotating speed and hard disk that can realize fan is again to adaptation, thus the object of saving resource.
If the function described in embodiment of the present invention method using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a calculating equipment read/write memory medium.Based on such understanding, the part of the part that the embodiment of the present invention contributes to prior art or this technological scheme can embody with the form of software product, this software product is stored in a storage medium, comprising some instructions in order to make a calculating equipment (can be personal computer, server, mobile computing device or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment same or similar part mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. control a method for rotation speed of the fan, described fan is used for, for Hard disk heat radiation, it is characterized in that, comprising:
Obtain the current total output of described hard disk, current environmental temperature and the first parameter, described first parameter is for characterizing the current rotating speed of described fan;
According to total output, described current environmental temperature and described first parameter that described hard disk is current, determine the temperature that described hard disk is current;
According to the temperature that described hard disk is current, control the rotating speed of described fan.
2. method according to claim 1, is characterized in that, described according to current total output, current environmental temperature and described first parameter of hard disk, determines that the current temperature of described hard disk comprises:
The total output of described hard disk is higher, determines that the current temperature of described hard disk is higher;
Described current environmental temperature is higher, determines that the current temperature of described hard disk is higher;
The rotating speed that described in described first parameter characterization, fan is current is lower, determines that the current temperature of described hard disk is higher.
3. method according to claim 1 and 2, it is characterized in that, the total output of described hard disk is higher, determine that the temperature of described hard disk is higher, described current environmental temperature is higher, determine that the temperature of described hard disk is higher, the rotating speed that described in described first parameter characterization, fan is current is lower, determines that the temperature of described hard disk is higher and comprises:
Determine the current temperature of described hard disk be described current environmental temperature and the first numerical value and, described first numerical value is the multiple of the total output of described hard disk and the ratio of described first parameter.
4. method according to claim 3, it is characterized in that, when the quantity of described hard disk is greater than 1, described first numerical value is: the multiple of the total output of described hard disk and the ratio of the first product, and described first product is the product of the quantity of described first parameter and described hard disk.
5. the method according to claim 1,2 or 4, is characterized in that, described first parameter comprises:
The air mass flow of fan.
6. control a device for rotation speed of the fan, described fan is used for, for Hard disk heat radiation, it is characterized in that, comprising:
Parameter acquisition module, for obtaining the current total output of described hard disk, current environmental temperature and the first parameter, described first parameter is for characterizing the current rotating speed of described fan;
Temperature determination module, for according to current total output, described current environmental temperature and described first parameter of described hard disk, determines the temperature that described hard disk is current;
Control module, for according to the current temperature of described hard disk, controls the rotating speed of described fan.
7. device according to claim 6, is characterized in that, described temperature determination module is used for according to current total output, described current environmental temperature and described first parameter of described hard disk, determines that the current temperature of described hard disk comprises:
Described temperature determination module specifically for, the total output of described hard disk is higher, determines that the current temperature of described hard disk is higher; Described current environmental temperature is higher, determines that the current temperature of described hard disk is higher; The rotating speed that described in described first parameter characterization, fan is current is lower, determines that the current temperature of described hard disk is higher.
8. the device according to claim 6 or 7, it is characterized in that, described temperature determination module is higher specifically for the total output of described hard disk, determine that the current temperature of described hard disk is higher, described current environmental temperature is higher, determine that the current temperature of described hard disk is higher, the rotating speed that described in described first parameter characterization, fan is current is lower, determines that the current temperature of described hard disk is higher and comprises:
Described temperature determination module specifically for, determine the current temperature of described hard disk be described current environmental temperature and the first numerical value and, described first numerical value is the multiple of the total output of described hard disk and the ratio of described first parameter.
9. device according to claim 8, it is characterized in that, described temperature determination module be used for also for: when the quantity of described hard disk is greater than 1, determine that described first numerical value is: the multiple of the total output of described hard disk and the ratio of the first product, described first product is the product of the quantity of described first parameter and described hard disk.
10. the device according to claim 6,7 or 8, is characterized in that, described parameter acquisition module comprises for obtaining the current total output of described hard disk, current environmental temperature and the first parameter:
Described parameter acquisition module specifically for, obtain the air mass flow of the current total output of described hard disk, current environmental temperature and fan.
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| CN201410521164.9A CN105526183B (en) | 2014-09-30 | 2014-09-30 | A kind of method and device of control rotation speed of the fan |
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| CN201410521164.9A CN105526183B (en) | 2014-09-30 | 2014-09-30 | A kind of method and device of control rotation speed of the fan |
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| CN106547325A (en) * | 2016-10-26 | 2017-03-29 | 浙江大华技术股份有限公司 | A kind of fan rotational frequency control method and device |
| CN107882763A (en) * | 2017-11-09 | 2018-04-06 | 英业达科技有限公司 | Revolution speed control device and its method |
| CN110941580A (en) * | 2019-10-31 | 2020-03-31 | 苏州浪潮智能科技有限公司 | Method for reading information and serial small computer system interface SAS expander |
| CN111274098A (en) * | 2018-12-05 | 2020-06-12 | 杭州海康威视数字技术股份有限公司 | IoT-based storage device alarm method and device |
| CN112783712A (en) * | 2019-11-08 | 2021-05-11 | 浙江宇视科技有限公司 | Hard disk temperature monitoring method and device, readable storage medium and hard disk monitoring system |
| CN113464479A (en) * | 2021-08-04 | 2021-10-01 | 深圳市英纳钛克电子科技有限公司 | Hard disk cartridge with controllable fan wind speed |
| CN114698321A (en) * | 2020-12-29 | 2022-07-01 | 深圳臻宇新能源动力科技有限公司 | Vehicle high-voltage component heat dissipation method and device and vehicle |
| CN117231544A (en) * | 2023-11-15 | 2023-12-15 | 宝德华南(深圳)热能系统有限公司 | Intelligent cooling fan regulation and control system based on data acquisition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106547325A (en) * | 2016-10-26 | 2017-03-29 | 浙江大华技术股份有限公司 | A kind of fan rotational frequency control method and device |
| CN107882763A (en) * | 2017-11-09 | 2018-04-06 | 英业达科技有限公司 | Revolution speed control device and its method |
| CN111274098A (en) * | 2018-12-05 | 2020-06-12 | 杭州海康威视数字技术股份有限公司 | IoT-based storage device alarm method and device |
| CN111274098B (en) * | 2018-12-05 | 2023-10-10 | 杭州海康威视数字技术股份有限公司 | Storage device alarm method and device based on internet of things (IoT) |
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| CN113464479A (en) * | 2021-08-04 | 2021-10-01 | 深圳市英纳钛克电子科技有限公司 | Hard disk cartridge with controllable fan wind speed |
| CN117231544A (en) * | 2023-11-15 | 2023-12-15 | 宝德华南(深圳)热能系统有限公司 | Intelligent cooling fan regulation and control system based on data acquisition |
| CN117231544B (en) * | 2023-11-15 | 2024-01-09 | 宝德华南(深圳)热能系统有限公司 | Intelligent cooling fan regulation and control system based on data acquisition |
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| CN105526183B (en) | 2017-07-25 |
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