CN101074966A - Method and apparatus for warning fan life - Google Patents
Method and apparatus for warning fan life Download PDFInfo
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- CN101074966A CN101074966A CN 200710074988 CN200710074988A CN101074966A CN 101074966 A CN101074966 A CN 101074966A CN 200710074988 CN200710074988 CN 200710074988 CN 200710074988 A CN200710074988 A CN 200710074988A CN 101074966 A CN101074966 A CN 101074966A
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Abstract
A method for making alarm on lifetime of fan includes detecting initial rotary-speed value of fan under certain parameter, detecting rotary-speed value of fan under said certain parameter after specific time, comparing rotary-speed values before and after said specific time under said certain parameter and making lifetime alarm of fan if compared D-value is over preset threshold, The device used for realizing said method is also disclosed.
Description
Technical field
The present invention relates to electricity field, particularly a kind of method and apparatus of warning fan life.
Background technology
Communication, electronics is in the equipment such as electric power, because factors such as the heating of system itself and environment temperature generally all are equipped with fan system, so that system held is in normal operating temperature range.
But owing to the evaporation of fan internal lubricant, oxidation, loss, and factor such as fan self bearing wear, keep the working temperature of system, fan must be kept certain rotating speed, and the power consumption of this moment will inevitably bigger even overload operation, like this, the life-span of fan shortens possibly, and then has influence on the reliability service of system.On the other hand, be accompanied by the factor such as evaporation, oxidation, loss of lubricant, the fan spindle bearing wearing and tearing will aggravate, fan life shortens, thereby the resistance that fan rotates increases, cause the rotating speed of fan under the particular duty cycle (or curtage) to reduce, system temperature raises, and the reliability of system is constituted a threat to.
The state direct relation of fan system the reliability service of entire equipment, and the fan system fault causes temperature rising in the equipment, causes descend device lifetime, even can cause the heavy losses of system business interruption or device permanent damage.Because fan life is generally much smaller than equipment life, it is bigger to change the possibility of fan in the equipment whole life.
Prior art generally is from the angle of system the running environment of equipment to be alarmed, for example, generally be when detecting system temperature and exceeding normal range, just whether fan is broken down and judge and alarm, and then whether consideration need fan is keeped in repair or changes.
Also having a kind of strategy in addition is that fan is carried out regular replacing, and does not consider the actual operating state of fan.The result who causes like this is, though some fan to the time limit, but operation conditions is still good, but has been replaced, and causes waste; Some fan also fault just do not occurred to the time limit in addition, has brought hidden danger to security of system.
As mentioned above, because fan life is generally less than equipment life, the alarm of fan life is just seemed extremely important, but in realizing process of the present invention, the inventor finds to lack in the prior art the effective alarming mechanism for fan life.
Summary of the invention
The technical matters that the embodiment of the invention will solve provides a kind of method and apparatus of warning fan life, can effectively alarm fan life, and then more improve the reliability of system.
For solving the problems of the technologies described above, the purpose of the embodiment of the invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of method of warning fan life on the one hand, comprising:
Detect or specify the initial speed value of fan under certain special parameter;
Detect through behind the special time tachometer value of fan under described special parameter;
Relatively under described special parameter, tachometer value behind the described special time and initial speed value if its difference surpasses pre-set threshold, are carried out warning fan life.
The embodiment of the invention provides a kind of device of warning fan life on the other hand, comprising: detection module, and memory module, alarm module:
Detection module is used to detect fan under special parameter, the tachometer value of the initial speed value of fan and process special time aft-fan;
Memory module is used for storage and comprises the detected rotation speed of the fan value of described detection module, the speed discrepancy threshold value of setting, and information such as described special time information;
Alarm module is used for judging when the rotating speed difference surpasses the speed discrepancy threshold value of setting before and after the special time according to the rotation speed of the fan value of described memory module storage and the speed discrepancy threshold value of setting, and fan life is alarmed.
As can be seen from the above technical solutions, the embodiment of the invention is by comparing under certain special parameter, rotating speed behind rotating speed during the fan initial launch (perhaps initially specifying rotating speed) and the process special time, estimate situations such as fan spindle bearing lubrication circumstances, bearing wear, thereby realized alarm report to fan life, for fan safeguards that changing strategy provides reference, has improved reliability of system operation.
Description of drawings
The synoptic diagram that Fig. 1 monitors rotation speed of the fan for the embodiment of the invention;
The process flow diagram of the warning fan life method that Fig. 2 provides for the embodiment of the invention one;
The structural representation of the warning fan life device that Fig. 3 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of method and apparatus of warning fan life, for making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, further describe.
Realizing the solution of the present invention, need and can monitor the rotating speed of fan, generally is to be undertaken by the mode of speed feedback, as shown in Figure 1:
The rotating speed of fan can be obtained by the rotation speed of the fan feedback system, the rotating speed of fan can be controlled by fan control system.
Referring to Fig. 2, the method that the embodiment of the invention provides is carried out describe, in general terms:
Step 11: detect or specify fan tachometer value during initial launch under special parameter;
Step 12:, detect and write down the tachometer value of this fan under special parameter described in the step 11 through behind certain special time;
Step 13: the tachometer value in comparison step 12 and the step 11, if its difference greater than a certain setting threshold, is then carried out alarm report to this fan life.
Described detection to rotation speed of the fan can be finished by aforesaid rotation speed of the fan feedback system.
Described special parameter can be set by aforesaid fan control system, then by the fan actual speed of described rotation speed of the fan feedback system acquisition under this special parameter.
Enumerating embodiment below respectively is described in detail:
The embodiment of the invention one:
Fan of the same type for first installation and operation, if its initial characteristic is basic identical, under specific dutycycle, its rotating speed is a constant rotational speed value a, behind certain special time at interval, be assumed to be t after, under aforementioned same dutycycle, rotation speed of the fan is b, and so, the method for embodiment of the invention warning fan life is as follows:
Step 101: detect or specify in the tachometer value a under the particular duty cycle;
This specific rotation speeds value a detects when the type fan is moved for the first time to obtain under this particular duty cycle, simultaneously, under the smaller situation of discreteness, if the type fan has had the tachometer value data under this particular duty cycle, then can specify these existing tachometer value data as initial speed value a, need not carry out primary detection.
Step 102: behind special time t at interval, by fan control system, the dutycycle of regulating fan is the particular value in the described step 101;
Step 103: detect behind the special time of process described in the step 102 t the rotation speed of the fan value b under described particular duty cycle;
Step 104: after relatively passing through special time t, rotation speed of the fan value b under described particular duty cycle and initial speed value a if its difference surpasses a certain preset threshold, then carry out alarm report to the life-span of this fan.
By under the particular case relatively during (same duty cycle or curtage etc.) fan initial launch and the rotating speed under the special time estimate fan spindle bearing lubrication circumstances, bearing wear situation, whether fan enters loss phase situation.If the rotating speed difference surpasses preset threshold, show that then need carry out early warning to fan life reports.So just can the prompting operation maintainer carry out on-call maintenance or replacing to fan, the assurance system can safe operation.
Those skilled in the art can pay any performing creative labour and can learn, rotation speed of the fan under the described particular duty cycle, it also can be particular current, the rotating speed of fan under the specific voltage, under this specific fan parameter of record, through the rotation speed of the fan before and after the special time and its change in rotational speed relatively,, the life-span of fan is monitored and alarms by the variation size of rotation speed of the fan value.
Certain special time t at described interval, it can be a week, January, 1 year etc., decide according to concrete condition, do not influence essence of the present invention, in addition, learn and do not need fan life is carried out alarm report that can continue with described special time is the cycle if judge by comparative result, relatively whether the rotating speed value difference before and after this special time surpasses preset threshold, carries out warning fan life and detects; Perhaps, relatively whether surpass preset threshold, carry out warning fan life and detect through the tachometer value of described all after dates and the difference of initial speed value.And along with fan promptly moves the increase of T.T. service time, sense cycle can progressively shorten.
The threshold value of the rotation speed of the fan difference in the described step 104, can and decide according to different fans and associated maintenance strategy, can be 100 commentaries on classics, 200 commentaries on classics etc., and can add up acquisition by a certain amount of fan of the same type, by adding up the rotating speed difference experience that obtains thus, whether judge the type fan near the loss phase, and carry out alarm report, provide reference thereby safeguard the replacing strategy for fan.
The embodiment of the invention two:
In embodiments of the present invention, because the discreteness of manufacture process causes the individual difference of fan, need make other processing of branch to the individual cases of fan, therefore, can be in the flash memory of this fan place equipment itself or in other the storer, write down each fan numbering, position and under described particular duty cycle, the tachometer value of different time is so that make individuation judgement and processing to the situation of each fan.
Step 201: for each fan, behind first installation and operation, under specific dutycycle, by the speed feedback system, obtain the first installation and operation of this fan after, the tachometer value under this particular duty cycle, and this tachometer value being charged in the memory device such as flash memory;
Step 202: for each fan, behind special time at interval, by fan control system, the dutycycle of regulating this fan is the particular value in the described step 201;
Step 203: for each fan, detect and be recorded in described in the step 202 through behind the special time, the rotation speed of the fan value under described particular duty cycle, and this tachometer value charged in the memory device such as flash memory;
Step 204: for each fan, before and after the more described special time, the size of the rotation speed of the fan value under described particular duty cycle if its difference surpasses a certain preset threshold, is then carried out alarm report to the life-span of this fan.
In the present embodiment, can be as shown in the table for the file layout of each fan-status:
| Dutycycle is 0.5 | |||||
| The fan numbering | Position of fan | Initial speed | Rotating speed after 1 month | Speed discrepancy | Whether alarm |
| 1 2 3 … | Veneer 1 veneer 2 veneers 2 | 5000 4800 4900 … | 4700 4700 4900 … | 300 100 0 … | Whether deny |
Can learn in the last table illustrated embodiment that particular duty cycle is 0.5, special time is 1 month, and threshold setting can be 200, and if speed discrepancy before and after the contrast greater than threshold value 200, then carries out alarm report.。
Those skilled in the art can pay any performing creative labour and can learn, rotation speed of the fan under the described particular duty cycle, it also can be particular current, the rotating speed of fan under the specific voltage, under this specific fan parameter of record, through the rotation speed of the fan before and after the special time and its change in rotational speed relatively,, the life-span of fan is monitored and alarms by the variation size of rotation speed of the fan value.
Certain special time at described interval, it can be a week, January, 1 year etc., decide according to concrete condition, do not influence essence of the present invention, in addition, learn and do not need fan life is carried out alarm report that can continue with described special time is the cycle if judge by comparative result, relatively whether the rotating speed value difference before and after this special time surpasses preset threshold, carries out warning fan life and detects; Perhaps, relatively whether surpass preset threshold, carry out warning fan life and detect through the tachometer value of described all after dates and the difference of initial speed value.And along with the fan increase of service time, sense cycle can progressively shorten.
The threshold value of described rotation speed of the fan difference, can and decide according to different fans and associated maintenance strategy, can be 100 commentaries on classics, 200 commentaries on classics etc., and can add up acquisition by a certain amount of fan of the same type, by adding up the rotating speed difference experience that obtains thus, whether judge the type fan near the loss phase, and carry out alarm report, provide reference thereby safeguard the replacing strategy for fan.
The present invention also provides a kind of device of warning fan life, and as shown in Figure 3, this device comprises detection module, memory module, alarm module.
Described detection module detects fan under special parameter, the initial speed value of fan and at the tachometer value of special time aft-fan, and send it to memory module;
Described memory module, storage comprises the detected rotation speed of the fan value of described detection module, the speed discrepancy threshold value of setting, and information such as above-mentioned special time;
For same type, initial speed is basic identical, and the less fan of discreteness, memory module only need be stored under the special parameter, the initial speed value of the detected some the type fans of detection module, the tachometer value behind the special time, the speed discrepancy threshold value of setting; If the type fan has had the tachometer value data under this special parameter, then can specify these existing tachometer value data as the initial speed value, be stored in the memory module;
Because the discreteness of making, when fan individual difference situation is big, memory module can also be stored information such as the numbering that comprises each fan correspondence, position, and the initial speed value under the special parameter that record is corresponding with each fan simultaneously, tachometer value behind the special time, information such as the speed discrepancy threshold value of setting.
Described alarm module is judged when the rotating speed difference surpasses the speed discrepancy threshold value of setting before and after the special time according to the rotation speed of the fan value of described memory module storage and the speed discrepancy threshold value of setting, fan life is carried out alarm report.
Above-mentioned special time also is a sense cycle, can be a week, January, 1 year etc., decides according to concrete condition, does not influence essence of the present invention.
This device can also comprise timer module, realizes the timing function to sense cycle.Timer module is used to set the special time that detection module detects the rotation speed of the fan value, is to initiate in the cycle to detect for detection module with this special time.Like this, by timer module, can adjust this special time value, thereby adjust the time interval that detection module detects, in addition, the special time that described timer module is set can move the increase of T.T. and progressively shortening with fan, because along with the fan increase of operation T.T., its aging speed can be accelerated, and failure-frequency also can increase, so, shorten the cycle of detecting, can more effectively carry out alarm detection fan life.
In addition, if judged by comparative result and to learn and do not need fan life is carried out alarm report that can continue with described special time is the cycle, relatively whether the rotating speed value difference before and after this special time surpasses preset threshold, carries out warning fan life and detects; Perhaps, relatively whether surpass preset threshold, carry out warning fan life and detect through the tachometer value of described all after dates and the difference of initial speed value.
Above-mentioned special parameter can be specific dutycycle, also can be particular current, and voltage can be decided according to concrete condition, does not influence essence of the present invention.
The threshold value of said fans speed discrepancy, can and decide according to different fans and associated maintenance strategy, can be 100 commentaries on classics, 200 commentaries on classics etc., and can add up acquisition by a certain amount of fan of the same type, by adding up the rotating speed difference experience that obtains thus, whether judge the type fan near the loss phase, and carry out alarm report, provide reference thereby safeguard the replacing strategy for fan.
As can be seen from the above embodiments, the embodiment of the invention is by comparing under certain special parameter (same duty cycle or curtage etc.), tachometer value behind tachometer value during the fan initial launch (perhaps initial designated value) and the process special time, estimate situations such as fan spindle bearing lubrication circumstances, bearing wear, thereby realized alarm report to fan life, for fan safeguards that changing strategy provides reference, has improved reliability of system operation.
More than the method and apparatus of a kind of warning fan life provided by the present invention is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1, a kind of method of warning fan life is characterized in that:
Detect or specify the initial speed value of fan under certain special parameter;
Detect through behind the special time tachometer value of fan under described special parameter;
Relatively under described special parameter, tachometer value behind the described special time and initial speed value if its difference surpasses pre-set threshold, are carried out warning fan life.
2, the method described in claim 1 is characterized in that:
Described special parameter is specific dutycycle, electric current, perhaps voltage.
3, method as claimed in claim 1 or 2 is characterized in that:
Described rotation speed of the fan value is obtained by the rotation speed of the fan feedback system.
4, method as claimed in claim 1 or 2 is characterized in that:
The setting of described special parameter is undertaken by fan control system.
5, the method described in claim 1, it is characterized in that, described method further comprises, do not need to carry out warning fan life as if learning by the comparative result judgement, then continuing with described special time is the cycle, relatively whether the difference of the tachometer value before and after this special time surpasses preset threshold, carries out warning fan life and detects.
6, the method described in claim 1, it is characterized in that, described method further comprises, do not need to carry out warning fan life as if learning by the comparative result judgement, then continuing with described special time is the cycle, relatively whether surpass preset threshold, carry out warning fan life and detect through the tachometer value of described all after dates and the difference of initial speed value.
7, the method described in claim 5 or 6 is characterized in that, described special time progressively shortens along with the increase of fan operation T.T..
8, the method described in claim 1 is characterized in that, described method further comprises: with described detected rotary speed information, be stored in the flash memory.
9, a kind of device of warning fan life is characterized in that, comprising:
Detection module is used to detect fan under special parameter, the tachometer value of the initial speed value of fan and process special time aft-fan;
Memory module is used for storage and comprises the detected rotation speed of the fan value of described detection module, the speed discrepancy threshold value of setting, and described special time information;
Alarm module is used for judging when the rotating speed difference surpasses the speed discrepancy threshold value of setting before and after the special time according to the rotation speed of the fan value of described memory module storage and the speed discrepancy threshold value of setting, and fan life is alarmed.
10, the device described in claim 9 is characterized in that,
Described memory module is further used for storing the initial speed value of appointment;
Described alarm module is according to the initial value tachometer value of this appointment and detection module is detected when surpassing the speed discrepancy threshold value of setting through the difference between the tachometer value behind the special time, and fan life is alarmed.
11, device as claimed in claim 9 is characterized in that, described device also comprises timer module, is used to set the special time that detection module detects the rotation speed of the fan value;
The special time that described timer module is set progressively shortens with the increase of fan operation T.T..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710074988 CN101074966A (en) | 2007-06-15 | 2007-06-15 | Method and apparatus for warning fan life |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710074988 CN101074966A (en) | 2007-06-15 | 2007-06-15 | Method and apparatus for warning fan life |
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| CN101074966A true CN101074966A (en) | 2007-11-21 |
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| CN 200710074988 Pending CN101074966A (en) | 2007-06-15 | 2007-06-15 | Method and apparatus for warning fan life |
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| CN102080664A (en) * | 2009-12-01 | 2011-06-01 | 技嘉科技股份有限公司 | Radiating system and control method thereof |
| CN102269159A (en) * | 2010-06-07 | 2011-12-07 | 宇达电脑（上海）有限公司 | Health detection method and device for fan |
| CN102401225A (en) * | 2010-08-16 | 2012-04-04 | 上银科技股份有限公司 | Lubrication monitoring system of linear transmission device |
| US8519857B2 (en) | 2008-09-03 | 2013-08-27 | Hewlett-Packard Development Company, L.P. | Systems and methods of controlling a fan in an electronic system |
| CN103345803A (en) * | 2013-07-29 | 2013-10-09 | 广州智萃电子科技有限公司 | Automatic teller machine channel load self-checking device and method |
| CN103470521A (en) * | 2013-09-26 | 2013-12-25 | 海南金盘电气有限公司 | Fan life prediction device |
| CN104216302A (en) * | 2014-08-29 | 2014-12-17 | 珠海格力电器股份有限公司 | control method and system of electric appliance product |
| CN104636134A (en) * | 2014-12-31 | 2015-05-20 | 小米科技有限责任公司 | State prompting method and device |
| CN105091929A (en) * | 2014-05-21 | 2015-11-25 | 中兴通讯股份有限公司 | Method and system for detecting obstruction of dust screen |
| CN106843107A (en) * | 2017-01-24 | 2017-06-13 | 深圳企管加企业服务有限公司 | Ventilation equipment Internet of Things monitoring method and system |
| CN107831395A (en) * | 2017-12-06 | 2018-03-23 | 杭州嘉楠耘智信息科技股份有限公司 | Fan detection system and method |
| US9954991B2 (en) | 2014-12-31 | 2018-04-24 | Xiaomi Inc. | Status notification method and device |
| CN108119385A (en) * | 2017-12-13 | 2018-06-05 | 深圳市飓风智云科技有限公司 | Fan-status Intelligent Real time Monitoring System and method |
| CN109763992A (en) * | 2019-03-29 | 2019-05-17 | 新华三技术有限公司 | The service life method for early warning and device of equipment fan |
| WO2020124941A1 (en) * | 2018-12-21 | 2020-06-25 | 南京埃斯顿自动化股份有限公司 | Real-time online prediction method for service life of fan |
| CN111330203A (en) * | 2020-03-16 | 2020-06-26 | 广州驿通智能科技有限公司 | Method and device for monitoring air pressure of fire extinguisher |
| CN113760668A (en) * | 2021-08-30 | 2021-12-07 | 浪潮电子信息产业股份有限公司 | Fault warning method, system and related device of cloud platform |
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| US8519857B2 (en) | 2008-09-03 | 2013-08-27 | Hewlett-Packard Development Company, L.P. | Systems and methods of controlling a fan in an electronic system |
| CN102080664A (en) * | 2009-12-01 | 2011-06-01 | 技嘉科技股份有限公司 | Radiating system and control method thereof |
| CN102269159A (en) * | 2010-06-07 | 2011-12-07 | 宇达电脑（上海）有限公司 | Health detection method and device for fan |
| CN102401225B (en) * | 2010-08-16 | 2014-08-13 | 上银科技股份有限公司 | Lubrication monitoring system of linear transmission device |
| CN102401225A (en) * | 2010-08-16 | 2012-04-04 | 上银科技股份有限公司 | Lubrication monitoring system of linear transmission device |
| CN103345803A (en) * | 2013-07-29 | 2013-10-09 | 广州智萃电子科技有限公司 | Automatic teller machine channel load self-checking device and method |
| CN103345803B (en) * | 2013-07-29 | 2016-02-17 | 广州御融通电子设备开发有限公司 | A kind of ATM (Automatic Teller Machine) channel load self-checking unit and method |
| CN103470521A (en) * | 2013-09-26 | 2013-12-25 | 海南金盘电气有限公司 | Fan life prediction device |
| CN103470521B (en) * | 2013-09-26 | 2016-03-23 | 海南金盘电气有限公司 | Fan life prediction device |
| CN105091929A (en) * | 2014-05-21 | 2015-11-25 | 中兴通讯股份有限公司 | Method and system for detecting obstruction of dust screen |
| CN105091929B (en) * | 2014-05-21 | 2019-07-02 | 中兴通讯股份有限公司 | A kind of detecting clogging of dust screen and system |
| CN104216302A (en) * | 2014-08-29 | 2014-12-17 | 珠海格力电器股份有限公司 | control method and system of electric appliance product |
| US9954991B2 (en) | 2014-12-31 | 2018-04-24 | Xiaomi Inc. | Status notification method and device |
| CN104636134A (en) * | 2014-12-31 | 2015-05-20 | 小米科技有限责任公司 | State prompting method and device |
| CN106843107A (en) * | 2017-01-24 | 2017-06-13 | 深圳企管加企业服务有限公司 | Ventilation equipment Internet of Things monitoring method and system |
| CN107831395A (en) * | 2017-12-06 | 2018-03-23 | 杭州嘉楠耘智信息科技股份有限公司 | Fan detection system and method |
| CN108119385A (en) * | 2017-12-13 | 2018-06-05 | 深圳市飓风智云科技有限公司 | Fan-status Intelligent Real time Monitoring System and method |
| US11704630B2 (en) | 2018-01-05 | 2023-07-18 | Current Lighting Solutions, Llc | Lamp, lamp fan life predicting system and method thereof |
| US12026681B2 (en) | 2018-01-05 | 2024-07-02 | Current Lighting Solutions, Llc | Lamp, lamp fan life predicting system and method thereof |
| WO2020124941A1 (en) * | 2018-12-21 | 2020-06-25 | 南京埃斯顿自动化股份有限公司 | Real-time online prediction method for service life of fan |
| CN109763992A (en) * | 2019-03-29 | 2019-05-17 | 新华三技术有限公司 | The service life method for early warning and device of equipment fan |
| CN109763992B (en) * | 2019-03-29 | 2020-12-29 | 新华三技术有限公司 | Service life early warning method and device for equipment fan |
| CN111330203A (en) * | 2020-03-16 | 2020-06-26 | 广州驿通智能科技有限公司 | Method and device for monitoring air pressure of fire extinguisher |
| CN113760668A (en) * | 2021-08-30 | 2021-12-07 | 浪潮电子信息产业股份有限公司 | Fault warning method, system and related device of cloud platform |
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