CN103488535A - Method for switching air fans with different P-Q curves in air fan control strategy - Google Patents
Method for switching air fans with different P-Q curves in air fan control strategy Download PDFInfo
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- CN103488535A CN103488535A CN201310440283.7A CN201310440283A CN103488535A CN 103488535 A CN103488535 A CN 103488535A CN 201310440283 A CN201310440283 A CN 201310440283A CN 103488535 A CN103488535 A CN 103488535A
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Abstract
The invention provides a method for switching air fans with different P-Q curves in an air fan control strategy. By means of the P-Q curves and a flow resistance curve of a server, the blast capacity of the server under different loads is confirmed, evaluation on duty ratio of a new air fan can be performed conveniently, and accuracy and speedability of formulation of a control plan can be ensured. The method has the advantages that cooling needs of the server can be met, product noise can be controlled, the cooling air fans in the server work according to a certain control plan, the air fans rotate slowly during low load, and the rotation speed of the air fans is increased when the load is high.
Description
Technical field
The present invention relates to the Computer Applied Technology field, a kind of method that specifically in fan regulation and controlling strategy, different P-Q curve fans switch is for solving the problem of server new model fan fast replacing.
Background technology
The client proposes new power consumption and noise requirements to server product, in order to meet the server radiating demand, to control the product noise, server internal heat dissipating fan carries out work according to certain regulating strategy, and when load is low, fan work is in the slow-speed of revolution, and when load is higher, rotation speed of the fan improves.
In order to meet the server radiating demand, to control the product noise, server internal heat dissipating fan carries out work according to certain regulating strategy, and when load is low, fan work is in the slow-speed of revolution, and when load is higher, rotation speed of the fan improves.
A server product generally need to select the fan of two different manufacturers to be backed up, and guarantees when a buying goes wrong to switch in time, does not affect production.But two fan all there are differences aspect fan P-Q performance, initial rotating speed and Duty ratio control, therefore when server is used another fan instead, need to re-start the heat radiation test, formulate new fan regulation and controlling curve, thereby bring a large amount of test jobs, and cause the delay of time, for above problem, by analysing in depth, we have summed up the method for different P-Q curve fan switchings in a kind of fan regulation and controlling strategy.
Summary of the invention
The method that the purpose of this invention is to provide different P-Q curve fan switchings in a kind of fan regulation and controlling strategy.
The objective of the invention is to realize in the following manner, comprise following two aspects: 1) according to server flow resistance and fan performance curve, determine the air quantity under the server different loads; 2) determine new model fan dutycycle according to the server air quantity, thereby formulate fast the fan regulation and controlling scheme; Concrete steps are as follows:
1) set for this platform
2) testing server flow resistance curve and fan performance
3), according to former regulating strategy and test data, calculate server air quantity under different loads;
4) the corresponding new fan dutycycle according to the server Wind Coverage Calculation;
5) formulate newly organized regulating strategy, and write regulatory process;
6) brush into newly organized program, whether the server new fan checking heat radiation of arranging in pairs or groups satisfies the demands.
Utilize fan P-Q curve and server flow resistance curve, determine the server air quantity under different loads, be convenient to carry out new fan dutycycle assessment, guarantee accuracy and rapidity that regulation and control scheme is formulated.
The invention has the beneficial effects as follows: can meet the server radiating demand, control the product noise, server internal heat dissipating fan carries out work according to certain regulating strategy, and when load is low, fan work is in the slow-speed of revolution, and when load is higher, rotation speed of the fan improves.
The accompanying drawing explanation
Fig. 1 is the air volume control process flow diagram.
Embodiment
With reference to Figure of description, method of the present invention is described in detail below.
The present invention be take the fan performance Changing Pattern as the theory support point, by wind-tunnel measurements and theoretical calculating, determines server different loads air quantity, and finally determines regulation and control scheme corresponding to new model fan, and concrete summary of the invention can be divided into following two aspects:
1) determine the air quantity under the server different loads according to server flow resistance and fan performance curve;
2) determine new model fan dutycycle according to the server air quantity, thereby formulate fast the fan regulation and controlling scheme.
Embodiment
Below content of the present invention is carried out to more detailed elaboration:
1) at first the research and development slip-stick artist utilizes the wind-tunnel facilities test to need to change fan server flow resistance and new, old two fan performance curve;
2) according to above test data and former regulating strategy, air quantity under the server different loads while calculating the former fan of employing;
3) according to the server air quantity calculated and the new model fan performance curve calculating required new fan dutycycle that goes out to dispel the heat, thereby formulate fast trendy fan speed-regulating strategy.
Through top operation, we can not only reach job requirement, and save the research and development time with the formulation of less workload completion service device two different performance fan regulation and controlling strategy, have improved work efficiency.
Measure flow process
1) set for this platform;
2) testing server flow resistance curve and fan performance;
3), according to former regulating strategy and test data, calculate server air quantity under different loads;
4) the corresponding new fan dutycycle according to the server Wind Coverage Calculation;
5) formulate newly organized regulating strategy, and write regulatory process;
6) brush into newly organized program, whether the server new fan checking heat radiation of arranging in pairs or groups satisfies the demands.
Except the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (2)
1. the method for different P-Q curve fan switchings in the fan regulation and controlling strategy, is characterized in that comprising following two aspects: 1) according to server flow resistance and fan performance curve, determine the air quantity under the server different loads; 2) determine new model fan dutycycle according to the server air quantity, thereby formulate fast the fan regulation and controlling scheme; Concrete steps are as follows:
1) set for this platform;
2) testing server flow resistance curve and fan performance;
3), according to former regulating strategy and test data, calculate server air quantity under different loads;
4) the corresponding new fan dutycycle according to the server Wind Coverage Calculation;
5) formulate newly organized regulating strategy, and write regulatory process;
6) brush into newly organized program, whether the server new fan checking heat radiation of arranging in pairs or groups satisfies the demands.
2. method according to claim 1, is characterized in that utilizing fan P-Q curve and server flow resistance curve, determines the server air quantity under different loads, is convenient to carry out new fan dutycycle assessment, guarantees accuracy and rapidity that regulation and control scheme is formulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440283.7A CN103488535A (en) | 2013-09-25 | 2013-09-25 | Method for switching air fans with different P-Q curves in air fan control strategy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310440283.7A CN103488535A (en) | 2013-09-25 | 2013-09-25 | Method for switching air fans with different P-Q curves in air fan control strategy |
Publications (1)
| Publication Number | Publication Date |
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| CN103488535A true CN103488535A (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310440283.7A Pending CN103488535A (en) | 2013-09-25 | 2013-09-25 | Method for switching air fans with different P-Q curves in air fan control strategy |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744504A (en) * | 2014-01-14 | 2014-04-23 | 浪潮电子信息产业股份有限公司 | Electrical fan design method for reducing power consumption of server |
| CN103984403A (en) * | 2014-05-28 | 2014-08-13 | 浪潮电子信息产业股份有限公司 | Design method for optimizing power consumption of RACK cabinet system |
| CN104461852A (en) * | 2014-12-25 | 2015-03-25 | 浪潮电子信息产业股份有限公司 | Fan power dissipation calculation method |
| CN105404371A (en) * | 2015-11-23 | 2016-03-16 | 浪潮电子信息产业股份有限公司 | Server fan regulating method considering duct synergistic effect |
| CN105468114A (en) * | 2015-11-23 | 2016-04-06 | 浪潮电子信息产业股份有限公司 | Design method for optimizing server board card cooling noise |
| CN107654407A (en) * | 2017-11-15 | 2018-02-02 | 郑州云海信息技术有限公司 | A kind of control method of multi-fan control system and multi-fan based on server |
| CN109871561A (en) * | 2017-12-05 | 2019-06-11 | 中车株洲电力机车研究所有限公司 | The configuration method of natural air cooled heat sink, device and Wind turbines in Wind turbines |
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| CN102735416A (en) * | 2012-06-28 | 2012-10-17 | 浪潮电子信息产业股份有限公司 | Method for testing pressure-flow (P-Q) performance and flow resistance performance of high-flow large-size system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744504A (en) * | 2014-01-14 | 2014-04-23 | 浪潮电子信息产业股份有限公司 | Electrical fan design method for reducing power consumption of server |
| CN103984403A (en) * | 2014-05-28 | 2014-08-13 | 浪潮电子信息产业股份有限公司 | Design method for optimizing power consumption of RACK cabinet system |
| CN104461852A (en) * | 2014-12-25 | 2015-03-25 | 浪潮电子信息产业股份有限公司 | Fan power dissipation calculation method |
| CN105404371A (en) * | 2015-11-23 | 2016-03-16 | 浪潮电子信息产业股份有限公司 | Server fan regulating method considering duct synergistic effect |
| CN105468114A (en) * | 2015-11-23 | 2016-04-06 | 浪潮电子信息产业股份有限公司 | Design method for optimizing server board card cooling noise |
| CN107654407A (en) * | 2017-11-15 | 2018-02-02 | 郑州云海信息技术有限公司 | A kind of control method of multi-fan control system and multi-fan based on server |
| CN109871561A (en) * | 2017-12-05 | 2019-06-11 | 中车株洲电力机车研究所有限公司 | The configuration method of natural air cooled heat sink, device and Wind turbines in Wind turbines |
| CN109871561B (en) * | 2017-12-05 | 2023-11-14 | 中车株洲电力机车研究所有限公司 | Configuration method and device of natural air cooling heat dissipation plate in wind turbine generator and wind turbine generator |
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