CN103016381B - Server fan speed control system - Google Patents
Server fan speed control system Download PDFInfo
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- CN103016381B CN103016381B CN201210537506.7A CN201210537506A CN103016381B CN 103016381 B CN103016381 B CN 103016381B CN 201210537506 A CN201210537506 A CN 201210537506A CN 103016381 B CN103016381 B CN 103016381B
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Abstract
The invention provides a kind of server fan speed control system, this server fan speed control system comprises: administration module, for providing the first fan control signal; Executive Module, for described first fan control signal that will receive according to fan speed-regulating order, described first fan control signal is supplied to corresponding fan, to control the power of respective fans, and according to described fan speed-regulating sequence control speed feedback signal diverter switch group; And described speed feedback signal diverter switch group, for sending the respective fans feedback signal comprising respective fans rotating speed to described administration module.Utilize this fan speed regulation system to carry out order speed governing to multiple fan, avoid the very large transient current produced in fan speed regulation system, guarantee fan speed regulation system stable operation, thus improve stability and the reliability of server radiating system.
Description
Technical field
Relate generally to field of computer technology of the present invention, more specifically, relates to server fan speed control system and method.
Background technique
Server is the high-performance computer in network environment, and it intercepts the service call that other computers (client computer) on network are submitted to, and provides corresponding service.Because server provides service in a network, the quality of so this service is very important to the network computing environment bearing multiple application, and the computer hardware bearing this service must have the ability to ensure service quality.
Provide a kind of server system in prior art, wherein, described server system comprises: cabinet; Fan, is arranged in described cabinet, provides wind to the mainboard arranged in described cabinet, to cool described mainboard; Mainboard, comprising: multiple CPU, and described multiple CPU is sequentially arranged along the flow direction of wind, arranges detector at the CPU place farthest away from described fan; And managing chip, for the parameter detected by described detector, described fan is controlled.This server fan speed governing can meet the demand of server system.
But, when there is multiple fan in this server system, speed governing being carried out to multiple fan simultaneously and can produce very large transient current, thus causing power connector to generate heat, and then the Security of the radiation system of the whole server of meeting.In addition, this system can only control multiple fan by administration module, if can not be sent to fan exactly from the fan control signal of administration module, then the radiation system of server will be in paralyzed state, and then can have influence on stability and the Security of whole server system.
Summary of the invention
The defect that speed governing can produce very large transient current is carried out to multiple fan in prior art simultaneously, the present invention proposes the server fan speed control system that can address the aforementioned drawbacks.
The invention provides a kind of server fan speed control system, server fan speed control system comprises: administration module, for providing the first fan control signal; Executive Module, for the receive first fan control signal is supplied to corresponding fan according to fan speed-regulating order, to control the power of respective fans, and according to fan speed-regulating sequence control speed feedback signal diverter switch group; And speed feedback signal diverter switch group, for sending the respective fans feedback signal comprising respective fans rotating speed to administration module.
Preferably, Executive Module comprises further: microcontroller, for arranging fan speed-regulating order, and receives fan control signal from administration module; And distribution sub module, for the fan speed-regulating order according to microcontroller, the fan control signal received from microcontroller is supplied to corresponding fan, to control the power of respective fans, wherein, second fan control signal with fan speed-regulating order is supplied to distribution sub module and speed feedback signal diverter switch group by microcontroller.
Preferably, server fan speed control system comprises further: be arranged on the velocity transducer on each fan in multiple fan, for sensing respective fans rotating speed and sending speed feedback signal diverter switch group to.
Preferably, administration module, also for the rotation speed of the fan received and expectation rotating speed being compared, when rotation speed of the fan is with when expecting that rotating speed is inconsistent, provides corresponding fan to adjust signal, to adjust the power of respective fans to Executive Module; And when rotation speed of the fan is consistent with expectation rotating speed, continue to provide fan control signal to Executive Module.
Preferably, microcontroller also for: when microcontroller receive fan adjustment signal time, then to distribution sub module provide fan adjust signal; And when microcontroller receives fan control signal, then the speed feedback signal diverter switch after the scheduled time in speed-changing feedback signal diverter switch group.
Preferably, server fan speed control system comprises further: manual governing device, for receiving fan control signal and the fan speed-regulating order of user's input, is sent to microcontroller.
Preferably, server fan speed control system comprises further: power transfer module, for being carried out changing by the supply voltage of server and powering to microcontroller, distribution sub module, speed feedback signal diverter switch group and fan interface.
Preferably, server fan speed control system comprises interface further, is all connected by interface between administration module with Executive Module, between fan with distribution sub module and between power transfer module with server power supply.
Preferably, interface comprises signaling interface, fan interface and power interface, and wherein, administration module communicates with microcontroller via signaling interface; Fan is connected with distribution sub module via fan interface; And power transfer module is electrically connected with server power supply via power interface.
Preferably, speed feedback signal diverter switch group sends the respective fans feedback signal comprising respective fans rotating speed to administration module by closed speed feedback signal diverter switch.
Utilize server fan speed control system of the present invention, order can carry out speed governing to multiple fan, very large transient current can not be produced, thus improve stability and the Security of whole radiation system.If when the fan control signal from administration module can not be sent to fan exactly, also order can carry out speed governing to multiple fan, thus guarantee system radiating system worked well, so improve the Security of whole server system.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.In the accompanying drawings:
Fig. 1 is the overall structure figure of server fan speed control system according to an embodiment of the invention; And
Fig. 2 is the concrete structure figure of server fan speed control system according to an embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Fig. 1 is the overall structure figure of server fan speed control system according to an embodiment of the invention.Server fan speed control system 100 comprises: administration module 102, for providing the first fan control signal; Executive Module 104, for the receive first fan control signal is supplied to corresponding fan according to fan speed-regulating order, to control the power of respective fans, and according to fan speed-regulating sequence control speed feedback signal diverter switch group 106; And speed feedback signal diverter switch group 106, for sending the respective fans feedback signal comprising respective fans rotating speed to administration module 102.
First fan control signal is supplied to corresponding fan in multiple fan by Executive Module according to fan speed-regulating order by above-mentioned server fan speed control system, respectively speed governing is carried out to multiple fan, thus the very large transient current that the while of avoiding, speed governing produces.Improve stability and the Security of server fan speed control system, and then the safe operation of Deterministic service device.
Fig. 2 is the concrete structure figure according to the speed control system of server fan according to an embodiment of the invention of the present invention.Server fan speed control system 200 comprises: administration module 202, for providing the first fan control signal; Executive Module, for the receive first fan control signal is supplied to corresponding fan according to fan speed-regulating order, to control the power of respective fans, and according to fan speed-regulating sequence control speed feedback signal diverter switch group 208; And speed feedback signal diverter switch group 208, for sending the respective fans feedback signal comprising respective fans rotating speed to administration module 202.Wherein, speed feedback signal diverter switch group 208 sends the respective fans feedback signal comprising respective fans rotating speed to administration module 202 by closed speed feedback signal diverter switch.More specifically, Executive Module comprises further: microcontroller 204, for arranging fan speed-regulating order, and receives fan control signal from administration module 202; And distribution sub module 206, for the fan speed-regulating order according to microcontroller 204, the fan control signal received from microcontroller 204 is supplied to corresponding fan, to control the power of respective fans, wherein, second fan control signal with fan speed-regulating order is supplied to distribution sub module 206 and speed feedback signal diverter switch group 208 by microcontroller 204.Such as, fan speed-regulating order comprises: fan 1-fan 2-fan 3, fan 1-fan 3-fan 2 etc.In other embodiments, once can carry out speed governing to different fans, such as, first group that first carries out speed governing headed by fan 1 and fan 2, fan 3 is next carry out second group of speed governing etc.As an example, illustrate only 3 fans in fig. 2, but 2 or more fan in server system, can be had.Such as, after microcontroller 204 receives the first fan control signal from administration module 202, according to fan speed-regulating order fan 1-fan 2-fan 3, the first fan control signal is supplied to fan 1 by distribution sub module 206, to control the power of fan 1.Second fan control signal with fan speed-regulating order is supplied to speed feedback signal diverter switch group 208 by microcontroller 204, thus control speed feedback signal diverter switch group 208, to send the fan feedback signal of fan 1 rotating speed to administration module 202.
Server fan speed control system 200 comprises further: be arranged on the velocity transducer on each fan in multiple fan, for sensing respective fans rotating speed and sending speed feedback signal diverter switch group 208 to.In the present embodiment, as shown in Figure 2, illustrate only 3 fans, that is, fan 1, fan 2 and fan 3.But in other embodiments, server fan speed control system also can comprise 2 or more fan, correspondingly a velocity transducer is set on each fan of 2 or multiple fan.Negotiation speed sensor sensing respective fans rotating speed, then sends speed feedback signal diverter switch group 208 to, and is supplied to administration module 202 by speed feedback signal diverter switch group 208.
Administration module 202, also for the rotation speed of the fan received and expectation rotating speed being compared, when rotation speed of the fan is with when expecting that rotating speed is inconsistent, provides corresponding fan to adjust signal, to adjust the power of respective fans to Executive Module; And when rotation speed of the fan is consistent with expectation rotating speed, continue to provide fan control signal to Executive Module.Microcontroller 204 also for: when microcontroller 204 receive fan adjustment signal time, then to distribution sub module 206 provide fan adjust signal; And when microcontroller 204 receives fan control signal, then the speed feedback signal diverter switch after the scheduled time in speed-changing feedback signal diverter switch group 208.Such as, this rotation speed of the fan and expectation rotating speed, after the rotation speed of the fan receiving fan 1, compare by administration module 202, when rotation speed of the fan is with when expecting that rotating speed is inconsistent, that is, when fan 1 needs to continue speed governing, this administration module 202 provides the fan adjustment signal of fan 1 to Executive Module.When microcontroller 204 receives the adjustment signal of fan 1, then fan is provided to adjust signal by distribution sub module 206 to fan 1.
On the contrary, when rotation speed of the fan is consistent with expectation rotating speed, that is, when fan 1 runs with desired speed or when completing speed governing, administration module 202 continues to provide fan control signal to Executive Module.When microcontroller 204 receives fan control signal, then the speed feedback signal diverter switch after the scheduled time in speed-changing feedback signal diverter switch group 208.That is, after the scheduled time that fan 1 completes speed governing, microcontroller 204 according to the fan speed-regulating sequence control speed feedback signal diverter switch of fan 1-fan 2-fan 3, to send the fan feedback signal comprising fan 2 rotating speed to administration module 202.Such as, the scheduled time can 2 seconds, or other times, and its occurrence can need arrange flexibly according to user.Continue to carry out speed governing to fan 2, and its operating process is similar to the operating process of fan 1.
Utilize above fan speed regulation system, due to the speed governing of multiple fan order, so this fan speed regulation system there will not be very large transient current, this fan speed regulation system Security is high, stable performance, thus server can be ensured to dispel the heat in time, with Deterministic service device safe and stable operation.
Server fan speed control system comprises further: manual governing device 210, for receiving fan control signal and the fan speed-regulating order of user's input, is sent to microcontroller 204.When the fan control signal from administration module 202 can not be sent to fan exactly, also manually arrangements for speed regulation 210 order speed governing can be carried out to multiple fan.Thus when guaranteeing administration module and microcontroller communication outage, can the normal ventilation and heat of Deterministic service device system, to guarantee the safe and stable operation of server.
In addition, server fan speed control system 200 comprises further: power transfer module 212, for the supply voltage of server being carried out changing and powering to microcontroller 204, distribution sub module 206, speed feedback signal diverter switch group 208 and fan interface 214, think the power supply of server fan speed control system, ensure the operation of this system.
Server fan speed control system 200 comprises interface further, is all connected by interface between administration module 202 with microcontroller 204, between fan with distribution sub module 206 and between power transfer module 212 with server power supply 220.Particularly, interface comprises signaling interface 218, fan interface 214 and power interface 216, and wherein, administration module 202 communicates with microcontroller 204 via signaling interface 218; Fan is connected with distribution sub module 206 via fan interface 214; And power transfer module 212 is electrically connected with server power supply 220 via power interface 216.
This server fan speed control system carries out speed governing to multiple fan respectively by the fan speed-regulating that pre-sets order and delay time, current fluctuation in server fan speed control system is little, avoid the very large transient current that occurs in server fan speed control system to the infringement of server fan speed control system, thus improve stability and the reliability of server fan speed control system, the heat radiation needs of server are met with Deterministic service device radiation system.Manual governing device when administration module and microcontroller communication outage, by the manual setting operation of staff, can realize fan speed-regulating and controls, thus maintain the normal work of the radiation system in whole server system.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a server fan speed control system, described server fan speed control system comprises:
Administration module, for providing the first fan control signal;
Executive Module, for described first fan control signal received is supplied to corresponding fan according to fan speed-regulating order, to control the power of respective fans, and according to described fan speed-regulating sequence control speed feedback signal diverter switch group; And
Described speed feedback signal diverter switch group, for sending the respective fans feedback signal comprising respective fans rotating speed to described administration module.
2. server fan speed control system according to claim 1, is characterized in that, described Executive Module comprises further:
Microcontroller, for arranging described fan speed-regulating order, and receives described first fan control signal from administration module; And
Distribution sub module, is supplied to corresponding fan for the described fan speed-regulating order according to described microcontroller by described first fan control signal received from described microcontroller, to control the power of described respective fans,
Wherein, second fan control signal with described fan speed-regulating order is supplied to described distribution sub module and described speed feedback signal diverter switch group by described microcontroller.
3. server fan speed control system according to claim 2, it is characterized in that, server fan speed control system comprises further: be arranged on the velocity transducer on each fan in multiple fan, for sensing described respective fans rotating speed and sending described speed feedback signal diverter switch group to.
4. server fan speed control system according to claim 3, is characterized in that, described administration module also for by the described rotation speed of the fan received with expect rotating speed compare,
When described rotation speed of the fan and described expectation rotating speed inconsistent time, to described Executive Module provide corresponding fan adjust signal, to adjust the power of described respective fans; And
When described rotation speed of the fan is consistent with described expectation rotating speed, continue to provide described first fan control signal to described Executive Module.
5. server fan speed control system according to claim 4, is characterized in that, described microcontroller also for:
When described microcontroller receives described fan adjustment signal, then described fan is provided to adjust signal to described distribution sub module; And
When described microcontroller receives described first fan control signal, then after the scheduled time, switch the speed feedback signal diverter switch in described speed feedback signal diverter switch group.
6. server fan speed control system according to claim 1, it is characterized in that, described server fan speed control system comprises further: manual governing device, for receiving described first fan control signal and the described fan speed-regulating order of user's input, is sent to microcontroller.
7. server fan speed control system according to claim 5, it is characterized in that, described server fan speed control system comprises further: power transfer module, for being carried out changing by the supply voltage of server and powering to described microcontroller, described distribution sub module, described speed feedback signal diverter switch group and fan interface.
8. server fan speed control system according to claim 7, it is characterized in that, described server fan speed control system comprises interface further, is all connected by described interface between described administration module with described Executive Module, between described fan with described distribution sub module and between described power transfer module with described server power supply.
9. server fan speed control system according to claim 8, is characterized in that, described interface comprises signaling interface, described fan interface and power interface, wherein,
Described administration module communicates with described microcontroller via described signaling interface;
Described fan is connected with described distribution sub module via described fan interface; And
Described power transfer module is electrically connected with described server power supply via described power interface.
10. server fan speed control system according to claim 1, it is characterized in that, described speed feedback signal diverter switch group sends the described respective fans feedback signal comprising described respective fans rotating speed to described administration module by closed speed feedback signal diverter switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210537506.7A CN103016381B (en) | 2012-12-12 | 2012-12-12 | Server fan speed control system |
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| CN201210537506.7A CN103016381B (en) | 2012-12-12 | 2012-12-12 | Server fan speed control system |
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| CN103016381A CN103016381A (en) | 2013-04-03 |
| CN103016381B true CN103016381B (en) | 2016-02-10 |
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Families Citing this family (4)
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| CN107420340B (en) * | 2017-09-29 | 2019-09-13 | 迈普通信技术股份有限公司 | Control method of cooling fan and system |
| US10455727B1 (en) * | 2018-05-21 | 2019-10-22 | Juniper Networks, Inc | Apparatus, system, and method for cooling network devices via unused power supply slots |
| CN111780253B (en) * | 2020-07-08 | 2021-10-29 | 青岛海尔空调器有限总公司 | Air conditioning system and control method and control device thereof |
| CN112431779A (en) * | 2020-11-06 | 2021-03-02 | 苏州浪潮智能科技有限公司 | Rotation control method and system of server fan |
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Effective date of registration: 20161226 Address after: 124000 Panjin, Liaoning Province, coastal economic zone in the coastal area of the crown building, building 3018, room 3, Liaoning Patentee after: Dawning Information Systems (Liaoning) Co., Ltd. Address before: 300384 Tianjin city Xiqing District Huayuan Industrial Zone (outer ring) Haitai Huake Street No. 15 1-3 Patentee before: Sugon Information Industry Co., Ltd. |