CN105673542A - Method and device for regulating and controlling rotation speed of fans in multi-control server system - Google Patents
Method and device for regulating and controlling rotation speed of fans in multi-control server system Download PDFInfo
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- CN105673542A CN105673542A CN201610074359.2A CN201610074359A CN105673542A CN 105673542 A CN105673542 A CN 105673542A CN 201610074359 A CN201610074359 A CN 201610074359A CN 105673542 A CN105673542 A CN 105673542A
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- pwm
- pwm signal
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- signal
- controller
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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
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
Abstract
The invention discloses a method and a device for regulating and controlling the rotation speed of fans in a multi-control server system. The device comprises multiple controls and a PWM selector, wherein each control is used for outputting a respective PWM signal; the PWM signals are used for regulating and controlling the rotation speed of the fans; and the PWM selector is used for selecting one PWM signal from all the PWM signals output by the multiple controls, and the selected PWM signal is transmitted to all the fans. By adopting the device, regulation and control on all the fans are realized.
Description
Technical field
The present invention relates to many control server system technical fields, particularly relate to a kind of regulation and control method controlling server system fan rotating speed and device more.
Background technology
At present, in server system, in order to increase safety and the reliability that system is run, mostly adopt the design of redundancy, for instance double-controller system is multi controller systems even. But in the control for system radiating fan rotating speed, some designs are that each controller controls respective fan. But in this case, arise that rotation speed of the fan disunity; Or some controller goes wrong, the situation that its corresponding fan does not turn. Therefore how can realize the unified regulation and control of system fan rotating speed are just become particularly important in many Ore-controlling Role. And owing to each controller controls respective fan, once controller goes wrong, the fan that this controller is corresponding can not rotate.
Summary of the invention
It is an object of the invention to provide a kind of regulation and control method controlling server system fan rotating speed and device, to realize all fans are unified regulation and control more.
For solving above-mentioned technical problem, the present invention provides a kind of regulation device controlling server system fan rotating speed more, and this device includes:
Multiple controllers; Wherein, each controller is used for exporting respective pwm signal; Described pwm signal is used for regulating and controlling rotation speed of the fan;
PWM selector, for selecting a pwm signal from all pwm signals that multiple controllers export, sends the pwm signal chosen to all fans.
Preferably, described device also includes:
PWM comparator, for receiving the pwm signal of each controller transmission, compares the dutycycle of the multiple pwm signals received, and produces PWM_Select signal.
Preferably, the pwm signal chosen, for selecting a pwm signal from all pwm signals that multiple controllers export according to described PWM_Select signal, is sent to all fans by described PWM selector.
Preferably, described PWM selector is additionally operable to receive all pwm signals of multiple controller output.
The present invention also provides for a kind of regulation and control method controlling server system fan rotating speed more, and the method includes:
Each controller in multiple controllers all exports respective pwm signal; Described pwm signal is used for regulating and controlling rotation speed of the fan;
A pwm signal selected by PWM selector from all pwm signals that multiple controllers export, and sends the pwm signal chosen to all fans.
Preferably, each controller in the plurality of controller also includes after all exporting respective pwm signal:
PWM comparator receives the pwm signal of each controller transmission, and the dutycycle of the multiple pwm signals received is compared, and produces PWM_Select signal.
Preferably, PWM selector selects a pwm signal according to described PWM_Select signal from all pwm signals that multiple controllers export, and sends the pwm signal chosen to all fans.
Preferably, described method also includes:
PWM selector receives all pwm signals of multiple controllers output.
A kind of regulation and control methods controlling server system fan rotating speed provided by the present invention and device more, each controller is used for exporting respective pwm signal; Described pwm signal is used for regulating and controlling rotation speed of the fan; The pwm signal chosen, for selecting a pwm signal from all pwm signals that multiple controllers export, is sent to all fans by PWM selector. Visible, a pwm signal selected by PWM selector from all pwm signals that multiple controllers export, the pwm signal chosen is sent to all fans, so only by a pwm signal, all fan regulation and controlling fans are rotated, the wind speed of so all fans is all unified, all controlled by same pwm signal, so being unified to regulate and control to the wind speed of all fans by the pwm signal chosen, it is achieved all fans to be unified regulation and control. And, when certain controller goes wrong, this controller will not output pwm signal, PWM selector normal operation, the pwm signal that still can export from remaining controller is selected a pwm signal and sends to all fans, fan all can normal rotation, namely when certain controller goes wrong, do not have the situation that fan does not turn.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is a kind of regulation devices controlling server system fan rotating speed provided by the present invention more;
Fig. 2 is another regulation device controlling server system fan rotating speed provided by the present invention more;
Fig. 3 is fan rotation speed regulating and controlling schematic diagram of the present invention;
Fig. 4 is the schematic flow sheet of a kind of regulation and control methods controlling server system fan rotating speed provided by the present invention more.
Detailed description of the invention
The core of the present invention is to provide a kind of regulation and control method controlling server system fan rotating speed and device more, to realize all fans are unified regulation and control.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is a kind of regulation device controlling server system fan rotating speed more, it is characterised in that including:
Multiple controllers 101;
Wherein, each controller is used for exporting respective pwm signal;
Wherein, pwm signal is used for regulating and controlling rotation speed of the fan;
PWM selector 102, for selecting a pwm signal from all pwm signals that multiple controllers export, sends the pwm signal chosen to all fans.
Although it should be noted that the number of the controller 11 of display is 2 in Fig. 1, but the number of controller can freely set, number is at least 2.
Visible, a pwm signal selected by PWM selector from all pwm signals that multiple controllers export, the pwm signal chosen is sent to all fans, so only by a pwm signal, all fan regulation and controlling fans are rotated, the wind speed of so all fans is all unified, all controlled by same pwm signal, so being unified to regulate and control to the wind speed of all fans by the pwm signal chosen, it is achieved all fans to be unified regulation and control.
And, when certain controller goes wrong, this controller will not output pwm signal, PWM selector normal operation, the pwm signal that still can export from remaining controller is selected a pwm signal and sends to all fans, fan all can normal rotation, namely when certain controller goes wrong, do not have the situation that fan does not turn.
Based on said apparatus, concrete, it is another regulation device controlling server system fan rotating speed provided by the present invention with reference to Fig. 2, Fig. 2 more, described device also includes:
PWM comparator 103, for receiving the pwm signal of each controller transmission, compares the dutycycle of the multiple pwm signals received, and produces PWM_Select signal.
Each controller 101 is connected with PWM comparator 103 and PWM selector 102.
Wherein, the pwm signal chosen, for selecting a pwm signal from all pwm signals that multiple controllers export according to PWM_Select signal, is sent to all fans by PWM selector.
Certainly, PWM selector is additionally operable to receive all pwm signals of multiple controller output.
Visible, multiple controllers export the pwm signal of respective regulation and control rotation speed of the fan respectively, PWM comparator is used for comparing the pwm signal of multiple controllers of input, PWM selector is used for exporting the pwm signal selected from multiple controllers, carry out the unified regulation and control of all rotation speeds of the fan, it is possible not only to realize the unified regulation and control of system fan rotating speed, and when certain controller goes wrong, without the situation occurring that fan does not turn.
In more detail, it is illustrated with two controllers, is fan rotation speed regulating and controlling schematic diagram of the present invention with reference to Fig. 3, Fig. 3, wherein has two controllers, i.e. controller A and controller B, have two fans, be i.e. fan C and fan D.
Wherein, PWM0_Node0 and PWM1_Node0 is controller B two the identical pwm signals for controlling rotation speed of the fan sent.
PWM0_Node1 and PWM1_Node1 is controller A two the identical pwm signals for controlling rotation speed of the fan sent.
PWM0_Node0 and PWM0_Node1 receives PWM comparator, and PWM1_Node0 and PWM1_Node1 receives PWM selector.
Wherein, PWM comparator can realize the comparison of two pwm signal dutycycles of input, and the PWM_Select signal produced after corresponding output relatively controls PWM selector.
The PWM selector PWM_Select signal by receiving, determine that the PWM_FAN signal exported is PWM1_Node0 or PWM1_Node1, and PWM_FAN signal is used for all fans and fan C and fan D in control system, thus realizing the unified regulation and control of all rotation speeds of the fan in system.
Refer to the schematic flow sheet that Fig. 4, Fig. 4 are a kind of regulation and control methods controlling server system fan rotating speed provided by the present invention more, the method includes:
S11: each controller in multiple controllers all exports respective pwm signal;
Wherein, pwm signal is used for regulating and controlling rotation speed of the fan;
A pwm signal selected by S12:PWM selector from all pwm signals that multiple controllers export, and sends the pwm signal chosen to all fans.
Visible, a pwm signal selected by PWM selector from all pwm signals that multiple controllers export, the pwm signal chosen is sent to all fans, so only by a pwm signal, all fan regulation and controlling fans are rotated, the wind speed of so all fans is all unified, all controlled by same pwm signal, so being unified to regulate and control to the wind speed of all fans by the pwm signal chosen, it is achieved all fans to be unified regulation and control.
And, when certain controller goes wrong, this controller will not output pwm signal, PWM selector normal operation, the pwm signal that still can export from remaining controller is selected a pwm signal and sends to all fans, fan all can normal rotation, namely when certain controller goes wrong, do not have the situation that fan does not turn.
Concrete, after each controller in multiple controllers all exports respective pwm signal, PWM comparator receives the pwm signal of each controller transmission, and the dutycycle of the multiple pwm signals received is compared, and produces PWM_Select signal.
Wherein, PWM selector selects a pwm signal according to PWM_Select signal from all pwm signals that multiple controllers export, and sends the pwm signal chosen to all fans.
Wherein, PWM selector receives all pwm signals of multiple controllers output.
Visible, multiple controllers export the pwm signal of respective regulation and control rotation speed of the fan respectively, PWM comparator is used for comparing the pwm signal of multiple controllers of input, PWM selector is used for exporting the pwm signal selected from multiple controllers, carry out the unified regulation and control of all rotation speeds of the fan, it is possible not only to realize the unified regulation and control of system fan rotating speed, and when certain controller goes wrong, without the situation occurring that fan does not turn.
To sum up, a kind of regulation and control methods and device controlling server system fan rotating speeds provided by the present invention more, each controller is used for exporting respective pwm signal; Pwm signal is used for regulating and controlling rotation speed of the fan; PWM selector, for selecting a pwm signal from all pwm signals that multiple controllers export, sends the pwm signal chosen to all fans. Visible, a pwm signal selected by PWM selector from all pwm signals that multiple controllers export, the pwm signal chosen is sent to all fans, so only by a pwm signal, all fan regulation and controlling fans are rotated, the wind speed of so all fans is all unified, all controlled by same pwm signal, so being unified to regulate and control to the wind speed of all fans by the pwm signal chosen, it is achieved all fans to be unified regulation and control. And, when certain controller goes wrong, this controller will not output pwm signal, PWM selector normal operation, the pwm signal that still can export from remaining controller is selected a pwm signal and sends to all fans, fan all can normal rotation, namely when certain controller goes wrong, do not have the situation that fan does not turn.
Above a kind of regulation and control methods controlling server system fan rotating speed provided by the present invention and device are described in detail more. Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention. It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (8)
1. control the regulation device of server system fan rotating speed one kind, it is characterised in that include more:
Multiple controllers; Wherein, each controller is used for exporting respective pwm signal; Described pwm signal is used for regulating and controlling rotation speed of the fan;
PWM selector, for selecting a pwm signal from all pwm signals that multiple controllers export, sends the pwm signal chosen to all fans.
2. device as claimed in claim 1, it is characterised in that described device also includes:
PWM comparator, for receiving the pwm signal of each controller transmission, compares the dutycycle of the multiple pwm signals received, and produces PWM_Select signal.
3. device as claimed in claim 2, it is characterised in that the pwm signal chosen, for selecting a pwm signal from all pwm signals that multiple controllers export according to described PWM_Select signal, is sent to all fans by described PWM selector.
4. device as claimed in claim 2, it is characterised in that described PWM selector is additionally operable to receive all pwm signals of multiple controller output.
5. control the regulation and control method of server system fan rotating speed one kind, it is characterised in that include more:
Each controller in multiple controllers all exports respective pwm signal; Described pwm signal is used for regulating and controlling rotation speed of the fan;
A pwm signal selected by PWM selector from all pwm signals that multiple controllers export, and sends the pwm signal chosen to all fans.
6. method as claimed in claim 5, it is characterised in that each controller in the plurality of controller also includes after all exporting respective pwm signal:
PWM comparator receives the pwm signal of each controller transmission, and the dutycycle of the multiple pwm signals received is compared, and produces PWM_Select signal.
7. method as claimed in claim 6, it is characterised in that PWM selector selects a pwm signal according to described PWM_Select signal from all pwm signals that multiple controllers export, sends the pwm signal chosen to all fans.
8. method as claimed in claim 6, it is characterised in that also include:
PWM selector receives all pwm signals of multiple controllers output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074359.2A CN105673542A (en) | 2016-02-02 | 2016-02-02 | Method and device for regulating and controlling rotation speed of fans in multi-control server system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074359.2A CN105673542A (en) | 2016-02-02 | 2016-02-02 | Method and device for regulating and controlling rotation speed of fans in multi-control server system |
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| Publication Number | Publication Date |
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| CN105673542A true CN105673542A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610074359.2A Pending CN105673542A (en) | 2016-02-02 | 2016-02-02 | Method and device for regulating and controlling rotation speed of fans in multi-control server system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108873794A (en) * | 2018-07-12 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of control equipment of radiator fan, system and method |
| CN109558087A (en) * | 2018-12-03 | 2019-04-02 | 郑州云海信息技术有限公司 | A kind of the common equipment control method and system of more controlled storage systems |
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| CN108873794A (en) * | 2018-07-12 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of control equipment of radiator fan, system and method |
| CN108873794B (en) * | 2018-07-12 | 2021-08-10 | 郑州云海信息技术有限公司 | Control equipment, system and method of cooling fan |
| CN109558087A (en) * | 2018-12-03 | 2019-04-02 | 郑州云海信息技术有限公司 | A kind of the common equipment control method and system of more controlled storage systems |
| CN109558087B (en) * | 2018-12-03 | 2022-03-22 | 郑州云海信息技术有限公司 | Public equipment control method and system of multi-control storage system |
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Application publication date: 20160615 |
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