WO2012068916A1 - Procédé et dispositif de commande pour ventilateur entièrement automatique - Google Patents

Procédé et dispositif de commande pour ventilateur entièrement automatique Download PDF

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Publication number
WO2012068916A1
WO2012068916A1 PCT/CN2011/079598 CN2011079598W WO2012068916A1 WO 2012068916 A1 WO2012068916 A1 WO 2012068916A1 CN 2011079598 W CN2011079598 W CN 2011079598W WO 2012068916 A1 WO2012068916 A1 WO 2012068916A1
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WO
WIPO (PCT)
Prior art keywords
fan
mode
automatic
operating mode
current
Prior art date
Application number
PCT/CN2011/079598
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English (en)
Chinese (zh)
Inventor
张鑫
江涌
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012068916A1 publication Critical patent/WO2012068916A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • 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
    • F04D27/005—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by changing flow path between different stages or between a plurality of compressors; Load distribution between compressors

Definitions

  • the present invention relates to the field of computers, and in particular, to a fully automatic fan control method and apparatus. Background technique
  • Method 1 The fan is fully powered on; Method 2: Manually controlling the fan, the operator opens and closes the fan through manual configuration; Mode 3, Temperature Control Fan, set the threshold of one or more manual configurations, and determine the opening and closing of the fan according to the relationship between the ambient temperature and the threshold.
  • the first method can keep the temperature in the chassis and the ambient temperature consistent, but it is relatively expensive; the second mode is troublesome and depends on labor; the third way is the most intelligent One way, however, this method only controls the opening and closing of the fan through the ambient temperature and the threshold. Since the threshold set by the operator has unreliability and uncertainty, it cannot be accurate according to the current environmental requirements. Controls the opening and closing of the fan. Summary of the invention
  • the present invention provides a fully automatic fan control method and apparatus to solve the problem that the fan control method in the prior art cannot accurately control the opening and closing of the fan according to current environmental requirements.
  • the invention provides a full-automatic fan control method, comprising:
  • the operation of the fan is controlled according to the determined number of fan runs and the fan operating mode.
  • the invention also provides a fully automatic fan control device, comprising:
  • a detection module configured to acquire a device temperature and a number of users who use the device
  • a processing module configured to determine a number of fan operations and a fan operation mode according to a device temperature, a number of users, and a pre-defined fan control table and a fan operation mode table;
  • the control module is configured to control the operation of the fan according to the determined number of fan runs and the fan operation mode.
  • the fan control method in the prior art cannot accurately control the fan according to current environmental requirements by determining the opening/closing of the multi-fan and determining the number of open fans according to the ambient temperature and the number of devices used by the device.
  • the problem of opening and closing can control the fan according to environmental requirements and improve the reliability and accuracy of the fan control.
  • FIG. 1 is a flow chart of a method for controlling a fully automatic fan according to an embodiment of the present invention
  • FIG. 2 is a detailed processing flowchart of a method for controlling a fully automatic fan according to an embodiment of the present invention
  • FIG. 3 is a flowchart of automatic fan operation and automatic switching according to an embodiment of the present invention
  • FIG. 4 is a flow chart of automatic switching of a fan abnormality according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a fan alarm detecting process 1 according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a fan alarm detection process 2 according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of a fan alarm detection process 3 according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a fully automatic fan control device according to an embodiment of the present invention. detailed description
  • the present invention provides a fully automatic fan control method and device, which is suitable for embedding for all multi-users.
  • Fan management of the device Mainly include: According to the hardware provided experimental data to develop the fan control table and fan mode; 2, according to the device temperature and the number of users to control the fan; 3, fan protection: a certain fan in a certain mode for a certain period of time will automatically switch the fan to open; Fan alarm; 5, providing switch control, providing manual and automatic switching.
  • FIG. 1 is a flowchart of a fully automatic fan control method according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps:
  • Step 101 Obtain a device temperature and a number of users who use the device.
  • Step 102 Determine the number of fan operations and the fan operation mode according to the device temperature, the number of users, and the pre-defined fan control table and the fan operation mode table.
  • the fan control table includes: a number of users, a range of device temperatures, and And the correspondence between the number of fan runs;
  • the fan operation mode table includes: a correspondence between the number of fan operations and the fan operation mode.
  • the fan control table and the fan operation mode table it is first necessary to obtain relevant test data, and according to the test result, the distribution and change of the internal temperature of the device under different user usage numbers are determined, and the certain users are determined.
  • the number of fans is turned on in different temperature ranges under the number of uses.
  • it is necessary to determine the operating mode under different fan numbers that is, two parameters need to be determined: the number of fans running, and the operating mode under the number of fans running, that is, under the number of fans, different The combination of fan on.
  • the number of fan runs can be considered as a parent class, and there is a subclass of the running mode under each parent class.
  • the operation mode is a combination of 2 fans and 2 fans in 4 fans, a total of 6 modes.
  • tabulation is performed according to the corresponding fan mode of each fan number, and the fan should be stored in each mode.
  • the running situation, and the corresponding identifier is set.
  • Step 103 Control the operation of the fan according to the determined number of fan runs and the fan operation mode.
  • the automatic fan mode Before acquiring the device temperature and the number of users using the device (before step 101), you need to select the automatic fan mode from the manual fan mode and the automatic fan mode. Preferably, if the user does not make a selection, the default is the automatic fan mode.
  • the embodiment of the present invention provides two control modes: a manual fan mode and an automatic fan mode.
  • the automatic fan mode can be implemented by a user setting an automatic fan mode
  • the manual fan mode is a manual configuration to control the operation of the fan. Its main role is to achieve protection under abnormal conditions.
  • the fan operation is based on a cyclic task (or thread) timing operation, so that the state of the fan can be detected, thereby implementing mode switching and alarming.
  • the number of fans is mainly determined to determine whether the number of fans needs to be switched. If the number of fans is the same, it is determined whether the running time of the current mode exceeds the threshold. If the threshold is exceeded, the other modes under the number of fans are switched. The switching criterion is to select the mode other than the mode and the error flag. Run in the mode with the least total running time.
  • the switching rule for switching the fan operating mode is: Select the fan operating mode with the least total running time except the current fan operating mode and the fan operating mode with the error flag.
  • the automatic fan will automatically switch the mode, select the fan running mode with the least total running time except this mode and the mode with the wrong flag, and then give The previous fan operating mode setting error flag.
  • the technical solution of the embodiment of the present invention adopts an optimization process: if a certain fan state is abnormal, the mode is switched, and if other modes of the switch are operable, no alarm is generated; Until all modes are unavailable, first turn off the automatic fan function, switch to the manual fan, and turn on all fans, and then perform a unified alarm according to the fan ID.
  • the fan alarm is restored, and it is detected whether the manual switch is manual control or automatic control to manual control. If it is automatically switched to manual control, the automatic fan function is restored and all data is cleared. If the fan is running normally in the automatic fan mode, you need to perform the process shown in Figure 7 to detect the fan alarm recovery.
  • FIG. 2 is a detailed processing flowchart of a method for controlling a fully automatic fan according to an embodiment of the present invention. As shown in FIG. 2, the following processing is included:
  • Step 201 After the device is powered on, according to the needs of the project, the system delays by X seconds;
  • Step 202 Determine whether the device supports the fan. If the determination is yes, go to step 203. Otherwise, go to step 201.
  • Step 203 determining whether to select the automatic fan mode or the manual fan mode, if it is the automatic fan mode, step 204 is performed, if it is the manual fan mode, step 207 is performed;
  • Step 204 Perform an automatic fan operation and an automatic switching process as shown in FIG. 3;
  • Step 205 Perform an automatic switching process of the fan abnormality as shown in FIG. 4;
  • Step 206 the alarm detection process (fan alarm detection process 1) shown in Figure 5 is performed, and the process proceeds to step 209;
  • Step 207 Wait for the operator to configure the fan.
  • Step 208 after the fan is running, perform the alarm detection process (fan alarm detection process 2) as shown in FIG. 6, and go to step 209;
  • Step 209 Perform an alarm detection process (fan alarm detection process 3) as shown in FIG. 7.
  • 3 is a flow chart of automatic fan operation and automatic switching according to an embodiment of the present invention. As shown in FIG. 3, the following processing is included:
  • Step 301 Obtain a current device temperature and a number of users used
  • Step 302 Determine, according to the two-dimensional input parameter (device temperature, and the number of users used), the number of fans that should be turned on;
  • Step 303 Query the number of fans currently running and the current fan running mode. Style
  • Step 304 Determine whether the number of fans that should be turned on is the same as the number of fans currently running. If the determination is yes, go to step 305. Otherwise, go to step 311.
  • Step 305 checking a running time of the current fan running mode operation
  • Step 306 it is determined whether the single running time in the fan operating mode exceeds the set maximum value, if the determination is yes, then step 307 is performed, otherwise step 310 is performed;
  • Step 307 Acquire one of the fan modes in the fan mode except the mode and the mode with the error flag, and the running time is the least;
  • Step 308 open the fan according to the mode
  • Step 309 clearing the single running time of the fan running mode before switching, and accumulating the total running time
  • Step 310 Continue to execute the fan running mode, and accumulate the single running time of the fan running mode, and accumulate the total running time;
  • Step 311 Obtain one of the minimum cumulative operation time of the fan mode in the number of fans; Step 312, open the fan according to the mode.
  • FIG. 4 is a flowchart of automatic switching of a fan abnormality according to an embodiment of the present invention. As shown in FIG. 4, the following processing is included:
  • Step 401 Obtain the current number of fan operations and the current fan operating mode.
  • Step 402 Compare the fan opening condition in the current fan running mode with the current fan running condition. If yes, go to step 403. Otherwise, go to step 404. Step 403, continue to run in the current mode.
  • step 404 in order to prevent data abnormality, the operation again obtains the current fan running number and the current fan running mode. If they are the same, step 403 is performed; otherwise, step 405 is performed; step 405, the current fan operating mode is marked with a damage flag;
  • Step 406 querying the number of current fan operations, except for the mode and the mode with error identification.
  • Step 407 the fan is turned on in this mode.
  • FIG. 5 is a flowchart of a fan alarm detection process 1 according to an embodiment of the present invention. As shown in FIG. 5, the following processing is included:
  • Step 501 Obtain the current fan running number and the current fan running mode.
  • step 502 it is checked whether all the fan operating modes of the number of fans have an error identifier. If the determination is yes, step 503 is performed; otherwise, step 505 is performed;
  • Step 503 the number of the fan is marked with an error, indicating that the number of fans cannot be turned on; Step 504, automatically switching to the manual mode, and all fans are turned on by default;
  • Step 505 continue to run the current fan operating mode.
  • FIG. 6 is a flowchart of a fan alarm detection process 2 according to an embodiment of the present invention. As shown in FIG. 6, the following processing is included:
  • Step 601 According to the fan ID polling, compare the current state of the fan with the state that the locally saved fan should be running. If the comparison result is different, poll the fan ID again, and the fan current state and the locally saved fan should be running. Status comparison
  • Step 602 according to the fan ID polling, to determine whether the fan is abnormal, if the determination is yes, go to step 610, otherwise, go to step 603;
  • Step 603 obtain a local fan abnormal state table, check whether the fan has been marked with an abnormality, if the determination is yes, go to step 604, otherwise, go to step 609;
  • Step 604 recovering a fan alarm.
  • Step 605 polling all the fans for the number of errors, if there is only one error flag, step 606 is performed, if there is no error flag, step 608 is performed;
  • Step 606 Automatically switch to the manual fan mode, and then resume the automatic fan mode; Step 607, clear the local fan data;
  • Step 608 manually switching to the manual fan mode, and continuing to run; Step 609, continue to run;
  • Step 610 the local fan abnormal state table is obtained, and it is determined whether the fan has been marked with an abnormality. If the determination is yes, step 611 is performed; otherwise, step 612 is performed;
  • Step 611 continue to run
  • FIG. 7 is a flowchart of a fan alarm detection process 3 according to an embodiment of the present invention. As shown in FIG. 7, the following processing is included:
  • Step 701 polling the current state of the fan according to the number of fans, and checking whether the local fan has an error flag, if the fan is running normally and there is an error flag, step 702 is performed, otherwise step 703 is performed;
  • Step 702 recovering an alarm, and removing a local fan error identifier
  • Step 703, continue to run.
  • the embodiment of the present invention considers the manual operation to be turned off by default in terms of ease of use and reliability, and can also select to switch manually, and introduces the ambient temperature and the user's number of two-dimensional input parameters to automatically control the fan, and the fan rotates.
  • the rules table is completely developed by professional fan hardware designers after many environmental tests, so the fan can be automatically and professionally used correctly. It also provides fan protection, and the fan is turned on for a long time, giving timing switching.
  • the alarm detection function is provided to reduce the pressure caused by the fan alarm to the network management system.
  • FIG. 8 is a schematic structural view of a fully automatic fan control device according to an embodiment of the present invention.
  • the device includes: a detection module 80, a processing module 82, and a control module 84.
  • the modules of the embodiments of the present invention are described in detail below.
  • the processing module 82 is configured to determine the number of fan operations and the fan operating mode according to the device temperature, the number of the users, and the fan control table and the fan operating mode table.
  • the fan control table includes: The relationship between the temperature range of the device and the number of fans running.
  • the fan operation mode table includes: the correspondence between the number of fan operations and the fan operation mode.
  • the fan control table and the fan operation mode table it is first necessary to obtain relevant test data, and according to the test result, the distribution and change of the internal temperature of the device under different user usage numbers are determined, thereby determining a certain The number of fans that are turned on in different temperature ranges by the number of users.
  • the operating mode under different fan numbers that is, two parameters need to be determined: the number of fans running, and the operating mode under the number of fans running, that is, under the number of fans, A combination of different fan openings.
  • the number of fan runs can be considered a parent class, and there is a subclass of the run mode under each parent class.
  • the operation mode is a combination of 2 fans and 2 fans in 4 fans.
  • tabulation is performed according to the corresponding fan mode for each fan number, and the storage fan should be operated in each mode, and the corresponding identifier is set.
  • the control module 84 is configured to control the operation of the fan according to the determined number of fan runs and the fan operation mode.
  • the fully automatic fan control apparatus further includes: front, selecting the automatic fan mode from a manual fan mode and an automatic fan mode.
  • the default is the automatic fan mode.
  • the embodiments of the present invention provide two control modes: a manual fan mode and an automatic fan mode.
  • the automatic fan mode can be implemented by setting an automatic fan enable by the user.
  • the manual fan mode is a manual configuration of the fan to control the operation of the fan. Is to achieve an abnormal situation Protection.
  • the fan operation is based on a cyclic task (or thread) timing operation, thereby being capable of detecting the state of the fan, thereby implementing functions such as mode switching and alarming:
  • the switching module is configured to switch the number of fan operations and/or the fan operation mode according to the current device temperature, the number of users currently using the device, and the running time of the current fan operating mode (for detailed processing, refer to Figure 3); and in the case that one or more fans in the current fan operating mode are detected to be abnormal in operation, the fan operating mode is automatically switched, and the current fan operating mode is incorrectly identified (detailed processing) Refer to Figure 4).
  • the switching rule for switching the fan operating mode is: Select the fan operating mode with the least total running time except the current fan operating mode and the fan operating mode with the wrong flag.
  • the switching module mainly performs the number of fans to determine whether the number of fans needs to be switched. If the number of fans is the same, it is determined whether the running time of the current mode exceeds the threshold. If the threshold is exceeded, the other modes under the number of fans are switched.
  • the switching criterion is to select the mode other than the mode and the error flag. Run in the mode with the least total running time.
  • the automatic fan will automatically switch the mode, select the fan running mode with the least total running time except the mode and the mode with the wrong flag, and then run the previous fan.
  • the mode sets the error flag.
  • An alarm module configured to close the self when all fan operating modes are unavailable In the fan mode, switch to the manual fan mode, turn on all fans, and perform unified alarm according to the ID of the fan in the abnormal state; in the manual fan mode, it is detected that the operation of a certain fan changes from abnormal state to normal state. At the same time, the alarm of the fan is cancelled, and when it is detected that the automatic fan mode is automatically switched to the manual fan mode, the automatic fan mode is restored; the automatic fan mode is detected.
  • the fan in a certain fan operation mode changes from the abnormal state to the normal state, the fan alarm is cancelled and the error flag of the fan operation mode is removed (refer to FIG. 5, FIG. 6, and FIG. 7 for detailed processing).
  • the technical solution of the embodiment of the present invention adopts an optimization process: if a certain fan state is abnormal, the mode is switched, and if other modes of the switch are operable, no alarm is generated; Until all modes are unavailable, first turn off the automatic fan function, switch to the manual fan, and turn on all the fans, and then according to the ID of the fan, if it is detected after a period of time, it is found that a certain fan is running normally, then restore the The fan alarms and detects whether the switch is manually switched to manual control or automatically to manual control. If it is automatically switched to manual control, the automatic fan function is restored and all data is cleared.
  • the technical solution of the embodiment of the present invention solves the problem of determining the opening/closing of the multi-fan and determining the number of open fans according to the ambient temperature and the two-dimensional input of the device user.
  • the fan control method cannot accurately control the opening and closing of the fan according to the current environmental requirements, and can control the fan according to environmental requirements, thereby improving the reliability and accuracy of the fan control.

Abstract

L'invention concerne un procédé et dispositif de commande pour ventilateur entièrement automatique, le procédé comportant les étapes consistant à : obtenir la température d'un appareil et le nombre d'utilisateurs se servant de l'appareil ; déterminer le nombre de ventilateurs en fonctionnement et un mode de fonctionnement des ventilateurs en fonction de la température de l'appareil, du nombre d'utilisateurs, d'une table préétablie de commande des ventilateurs et d'une table de modes de fonctionnement des ventilateurs ; et commander le fonctionnement des ventilateurs en fonction du nombre déterminé de ventilateurs en fonctionnement et du mode de fonctionnement des ventilateurs. Le procédé et le dispositif de commande sont capables de commander les ventilateurs en fonction des besoins environnementaux, améliorant ainsi la fiabilité et la justesse de la commande des ventilateurs.
PCT/CN2011/079598 2010-11-22 2011-09-14 Procédé et dispositif de commande pour ventilateur entièrement automatique WO2012068916A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010553074.X 2010-11-22
CN201010553074.XA CN102478004B (zh) 2010-11-22 2010-11-22 全自动风扇控制方法及装置

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WO2012068916A1 true WO2012068916A1 (fr) 2012-05-31

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PCT/CN2011/079598 WO2012068916A1 (fr) 2010-11-22 2011-09-14 Procédé et dispositif de commande pour ventilateur entièrement automatique

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WO (1) WO2012068916A1 (fr)

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN104154023A (zh) * 2014-08-18 2014-11-19 深圳市杰和科技发展有限公司 一种显示卡多风扇智能控制系统及方法

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CN1854528A (zh) * 2005-04-26 2006-11-01 台达电子工业股份有限公司 风扇模块及其控制装置
US20060266510A1 (en) * 2005-05-24 2006-11-30 Kabushiki Kaisha Toshiba Information processing apparatus and a method of controlling the same
CN101192065A (zh) * 2006-11-20 2008-06-04 中兴通讯股份有限公司 一种控制散热风扇的装置及方法
US20090116189A1 (en) * 2007-11-06 2009-05-07 Compucase Enterprise Co., Ltd. (Taiwan) Cooling System for a Computer Power Supply Unit

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CN1979432A (zh) * 2005-12-01 2007-06-13 新巨企业股份有限公司 风扇转速控制方法及其架构
CN101097452A (zh) * 2006-06-30 2008-01-02 乐金电子（昆山）电脑有限公司 散热风扇驱动的控制方法和装置

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CN1854528A (zh) * 2005-04-26 2006-11-01 台达电子工业股份有限公司 风扇模块及其控制装置
US20060266510A1 (en) * 2005-05-24 2006-11-30 Kabushiki Kaisha Toshiba Information processing apparatus and a method of controlling the same
CN101192065A (zh) * 2006-11-20 2008-06-04 中兴通讯股份有限公司 一种控制散热风扇的装置及方法
US20090116189A1 (en) * 2007-11-06 2009-05-07 Compucase Enterprise Co., Ltd. (Taiwan) Cooling System for a Computer Power Supply Unit

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CN102478004A (zh) 2012-05-30

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