CN102758787A - Fan failure early warning device and method thereof - Google Patents
Fan failure early warning device and method thereof Download PDFInfo
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- CN102758787A CN102758787A CN2011101149240A CN201110114924A CN102758787A CN 102758787 A CN102758787 A CN 102758787A CN 2011101149240 A CN2011101149240 A CN 2011101149240A CN 201110114924 A CN201110114924 A CN 201110114924A CN 102758787 A CN102758787 A CN 102758787A
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Abstract
The invention discloses a fan failure early warning device and a method thereof. The method comprises the following steps of: reading a target rotation speed value of a fan motor unit; calculating a normal value of each item of parameter of the fan motor unit according to the target rotation speed value of the fan motor unit; if a current rotation speed value of the fan motor unit is less than the target rotation speed value of the fan motor unit, adding one to failure frequency recorded by a counter unit; if a current peak value of the fan motor unit is greater than a first current predetermined value, adding one to the failure frequency recorded by the counter unit; if a time span value that the fan motor unit is greater than a second current preset value is greater than a preset time value, adding one to the failure frequency recorded by the counter unit; and if the failure frequency recorded by the counter unit is greater than a preset frequency, sending out a warning signal. The fan failure early warning device and the method thereof have the effect that the fan motor can be previously informed of failure.
Description
Technical field
The present invention relates to a kind of prior-warning device and method thereof, particularly a kind of fan fails prior-warning device and method thereof.
Background technique
The modern uses fan in large quantities, for example regulates to ventilate, make computer or instrument cooling or the like; If there is not fan, will be to us cause the inconvenience of certain degree in the in life or development in science and technology.
Whether unusual method is main with the tachometer value that detects fan mainly to detect fan at present; In the scope of the rotating speed of target value that the tachometer value of fan is being set, just be judged to be normal; When the tachometer value of fan less than the rotating speed of target value of setting, just be judged to be unusual.
Yet the shortcoming of the method whether above-mentioned detection fan is unusual is that can not to inform in advance that fan is about to unusual; When the tachometer value that detects fan sounded a warning less than the rotating speed of target value of setting, often computer or instrument caused damage because temperature raises probably.
Summary of the invention
For improving the shortcoming of above-mentioned known technology, the object of the present invention is to provide a kind of fan fails method for early warning.
For improving the shortcoming of above-mentioned known technology, another purpose of the present invention is to provide a kind of fan fails prior-warning device.
For realizing above-mentioned purpose of the present invention, fan fails method for early warning of the present invention comprises: a microprocessor unit reads a rotating speed of target value of a fan-motor unit from a client; This microprocessor unit calculates the normal value of the parameters of this fan-motor unit according to this rotating speed of target value of this fan-motor unit; This microprocessor unit reads a present tachometer value of this fan-motor unit; This present tachometer value of judging this fan-motor unit when this microprocessor unit is during less than this rotating speed of target value of this fan-motor unit, and this microprocessor unit adds one with the frequency of failure that a counter unit is write down; This microprocessor unit reads a current peak of this fan-motor unit; This current peak of judging this fan-motor unit when this microprocessor unit is during greater than one first electric current predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads the time span value of this fan-motor unit greater than one second electric current predefined value; Judge this fan-motor unit greater than the time span value of this second electric current predefined value during greater than a Preset Time value when this microprocessor unit, this microprocessor unit adds one with the frequency of failure that this counter unit write down; When this microprocessor unit judged that frequency of failure that this counter unit write down is greater than a preset times, this microprocessor unit sent a warning signal.
For realizing above-mentioned another purpose of the present invention, fan fails prior-warning device of the present invention is applied to a client, and this fan fails prior-warning device comprises: a microprocessor unit is electrically connected to this client; One fan-motor unit is electrically connected to this microprocessor unit; And a counter unit, be electrically connected to this microprocessor unit.This microprocessor unit reads a rotating speed of target value of this fan-motor unit from this client; This microprocessor unit calculates the normal value of the parameters of this fan-motor unit according to this rotating speed of target value of this fan-motor unit; This microprocessor unit reads a present tachometer value of this fan-motor unit; This present tachometer value of judging this fan-motor unit when this microprocessor unit is during less than this rotating speed of target value of this fan-motor unit, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads a current peak of this fan-motor unit; This current peak of judging this fan-motor unit when this microprocessor unit is during greater than one first electric current predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads the time length value of this fan-motor unit greater than one second electric current predefined value; Judge this fan-motor unit greater than this time span value of this second electric current predefined value during greater than a Preset Time value when this microprocessor unit, this microprocessor unit adds one with the frequency of failure that this counter unit write down; When this microprocessor unit judged that frequency of failure that this counter unit write down is greater than a preset times, this microprocessor unit sent a warning signal.
Effect of the present invention is to inform in advance that fan motor is about to lose efficacy.
Description of drawings
Figure 1A is a part of flow chart of fan fails method for early warning of the present invention.
Figure 1B is another part flow chart of fan fails method for early warning of the present invention.
Fig. 2 is a fan fails prior-warning device Block Diagram of the present invention.
Fig. 3 is for to judge that whether this current peak is greater than this first electric current predefined value example figure.
Fig. 4 is for judging that whether time span value greater than this second electric current predefined value is greater than this Preset Time value example figure.
Description of reference numerals in the above-mentioned accompanying drawing is following:
Step S02~S48
Fan-motor unit 30
Embodiment
Please refer to Fig. 2, it is a fan fails prior-warning device Block Diagram of the present invention; Fan fails prior-warning device of the present invention is applied to a client 20; This fan fails prior-warning device comprises a microprocessor unit 10, a fan-motor unit 30 and a counter unit 40.This microprocessor unit 10 is electrically connected to this fan-motor unit 30, this client 20 and this counter unit 40.
Please refer to Figure 1A, it is a part of flow chart of fan fails method for early warning of the present invention; Please refer to Figure 1B, it is another part flow chart of fan fails method for early warning of the present invention; And please refer to Fig. 2.Fan fails method for early warning of the present invention comprises following flow process:
S02: this microprocessor unit 10 reads a rotating speed of target value of this fan-motor unit 30 from this client 20.For example this rotating speed of target value of this fan-motor unit 30 of user or host computer system setting is required to be per minute 1,000 commentaries on classics; This microprocessor unit 10 learns that whereby this rotating speed of target value of this fan-motor unit 30 is required to be per minute 1,000 commentaries on classics.
S04: this microprocessor unit 10 calculates the normal value of the parameters of this fan-motor unit 30 according to this rotating speed of target value of this fan-motor unit 30.For example this microprocessor unit 10 learns that this rotating speed of target value of this fan-motor unit 30 is required to be after per minute 1,000 commentaries on classics, calculates this fan-motor unit 30 when tachometer value is per minute 1,000 commentaries on classics, the normal value that parameters needs.
Above-mentioned parameters comprises for example one first electric current predefined value, one second electric current predefined value, a Preset Time value, a preset times, a phase voltage width preset range value, a temperature predefined value, a vibrations predefined value, a humidity predefined value, a blast predefined value and an air quantity predefined value.
S06: this microprocessor unit 10 reads a present tachometer value of this fan-motor unit 30.
S08: whether this present tachometer value that this microprocessor unit 10 is judged this fan-motor unit 30 is less than this rotating speed of target value of this fan-motor unit 30.If then get into step S10; If not, then get into step S18.
S10: this microprocessor unit 10 adds one with the frequency of failure that this counter unit 40 is write down.
S12: this microprocessor unit 10 judges that whether the frequency of failure that this counter unit 40 write down is greater than this preset times.If then get into step S14; If not, then get into step S16.
S14: this microprocessor unit 10 sends a warning signal.For example this microprocessor unit 10 sends this warning signal to this client 20, so as to notifying this client 20 these fan-motor unit 30 unusual or inefficacies soon; Or this microprocessor unit 10 drives a light emitting diode or a buzzer lost efficacy so as to notifying this fan-motor unit 30 of user unusually or soon.
S16: this microprocessor unit 10 sends a normal signal.
S18: this microprocessor unit 10 reads a current peak of this fan-motor unit 30.
S20: this microprocessor unit 10 judges that whether this current peak of this fan-motor unit 30 is greater than this first electric current predefined value.If then get into step S10; If not, then get into step S22.Please refer to Fig. 3, it is for to judge that whether this current peak is greater than this first electric current predefined value example figure; Wherein the current waveform on the left side is a normal condition, and the current waveform on centre and the right is unusual condition (this current peak is greater than this first electric current predefined value).
S22: this microprocessor unit 10 reads the time span value of this fan-motor unit 30 greater than this second electric current predefined value.
S24: this microprocessor unit 10 judge this fan-motor unit 30 greater than the time span value of this second electric current predefined value whether greater than this Preset Time value.If then get into step S10; If not, then get into step S26.Please refer to Fig. 4, it is for judging that whether time span value greater than this second electric current predefined value is greater than this Preset Time value example figure; Wherein the current waveform on the left side is a normal condition, and the current waveform on centre and the right is unusual condition (greater than the time span value of this second electric current predefined value greater than this Preset Time value).
S26: this microprocessor unit 10 reads a phase voltage width value of this fan-motor unit 30.
S28: this microprocessor unit 10 judges that this phase voltage width value of this fan-motor unit 30 is whether in a phase voltage width preset range value.(promptly this phase voltage width value is greater than the maximum value of this phase voltage width preset range value or less than the minimum value of this phase voltage width preset range value) then gets into step S10 if not; If then get into step S30.
S30: this microprocessor unit 10 reads a temperature value of this fan-motor unit 30.
S32: this microprocessor unit 10 judges that whether this temperature value of this fan-motor unit 30 is greater than this temperature predefined value.If then get into step S10; If not, then get into step S34.
S34: this microprocessor unit 10 reads a vibrations numerical value of this fan-motor unit 30.
S36: this microprocessor unit 10 judges that whether this vibrations numerical value of this fan-motor unit 30 is greater than this vibrations predefined value.If then get into step S10; If not, then get into step S38.
S38: this microprocessor unit 10 reads a humidity value of this fan-motor unit 30.
S40: this microprocessor unit 10 judges that whether this humidity value of this fan-motor unit 30 is greater than this humidity predefined value.If then get into step S10; If not, then get into step S42.
S42: this microprocessor unit 10 reads a wind pressure value of this fan-motor unit 30.
S44: this microprocessor unit 10 judges that whether this wind pressure value of this fan-motor unit 30 is less than this blast predefined value.If then get into step S10; If not, then get into step S46.
S46: this microprocessor unit 10 reads an airflow value of this fan-motor unit 30.
S48: this microprocessor unit 10 judges that whether this airflow value of this fan-motor unit 30 is less than this air quantity predefined value.If then get into step S10; If not, then get into step S16.
Whether fan fails prior-warning device of the present invention and method thereof reach the pairing normal range (NR) of rotating speed of target value through the parameters such as current/voltage that detect fan motor, inform unusually or in advance that to judge fan motor fan motor is about to lose efficacy; Only judge that to detect the fan motor rotating speed fan motor is unusual than known technology, can significantly reduce that computer or instrument Yin Wendu raise and the infringement that causes.
In sum, when knowledge capital invention has had industry applications, novelty and progressive, structure of the present invention again be not shown in like product and public use, met the application for a patent for invention important document fully.
Claims (9)
1. fan fails method for early warning comprises:
A. a microprocessor unit reads a rotating speed of target value of a fan-motor unit from a client;
B. this microprocessor unit calculates the normal value of the parameters of this fan-motor unit according to this rotating speed of target value of this fan-motor unit;
C. this microprocessor unit reads a present tachometer value of this fan-motor unit;
D. this present tachometer value of judging this fan-motor unit when this microprocessor unit is during less than this rotating speed of target value of this fan-motor unit, and this microprocessor unit adds one with the frequency of failure that a counter unit is write down;
E. this microprocessor unit reads a current peak of this fan-motor unit;
F. this current peak of judging this fan-motor unit when this microprocessor unit is during greater than one first electric current predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down;
G. this microprocessor unit reads the time length value of this fan-motor unit greater than one second electric current predefined value;
H. judge this fan-motor unit greater than this time span value of this second electric current predefined value during greater than a Preset Time value when this microprocessor unit, this microprocessor unit adds one with the frequency of failure that this counter unit write down; And
I. when this microprocessor unit judged that frequency of failure that this counter unit write down is greater than a preset times, this microprocessor unit sent a warning signal.
2. fan fails method for early warning as claimed in claim 1 also comprises:
J. when this microprocessor unit judgement frequency of failure that this counter unit write down was less than or equal to this preset times, this microprocessor unit sent a normal signal.
3. fan fails method for early warning as claimed in claim 2 also comprised before step I:
U1. this microprocessor unit reads a phase voltage width value of this fan-motor unit;
U2. this phase voltage width value of judging this fan-motor unit when this microprocessor unit is during greater than the maximum value of a phase voltage width preset range value or less than the minimum value of this phase voltage width preset range value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down;
V1. this microprocessor unit reads a temperature value of this fan-motor unit; And
V2. this temperature value of judging this fan-motor unit when this microprocessor unit is during greater than a temperature predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down.
4. fan fails method for early warning as claimed in claim 3 also comprised before step I:
W1. this microprocessor unit reads a vibrations numerical value of this fan-motor unit;
W2. when this microprocessor unit judged that this vibrations numerical value of this fan-motor unit shakes predefined value greater than one, this microprocessor unit added one with the frequency of failure that this counter unit write down;
X1. this microprocessor unit reads a humidity value of this fan-motor unit; And
X2. this humidity value of judging this fan-motor unit when this microprocessor unit is during greater than a humidity predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down.
5. fan fails method for early warning as claimed in claim 4 also comprised before step I:
Y1. this microprocessor unit reads a wind pressure value of this fan-motor unit;
Y2. this wind pressure value of judging this fan-motor unit when this microprocessor unit is during less than a blast predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down;
Z1. this microprocessor unit reads an airflow value of this fan-motor unit; And
Z2. this airflow value of judging this fan-motor unit when this microprocessor unit is during less than an air quantity predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down.
6. a fan fails prior-warning device is applied to a client, and this fan fails prior-warning device comprises:
One microprocessor unit is electrically connected to this client;
One fan-motor unit is electrically connected to this microprocessor unit; And
One counter unit is electrically connected to this microprocessor unit;
Wherein, this microprocessor unit reads a rotating speed of target value of this fan-motor unit from this client; This microprocessor unit calculates the normal value of the parameters of this fan-motor unit according to this rotating speed of target value of this fan-motor unit; This microprocessor unit reads a present tachometer value of this fan-motor unit; This present tachometer value of judging this fan-motor unit when this microprocessor unit is during less than this rotating speed of target value of this fan-motor unit, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads a current peak of this fan-motor unit; This current peak of judging this fan-motor unit when this microprocessor unit is during greater than one first electric current predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads the time length value of this fan-motor unit greater than one second electric current predefined value; Judge this fan-motor unit greater than this time span value of this second electric current predefined value during greater than a Preset Time value when this microprocessor unit, this microprocessor unit adds one with the frequency of failure that this counter unit write down; When this microprocessor unit judged that frequency of failure that this counter unit write down is greater than a preset times, this microprocessor unit sent a warning signal.
7. fan fails prior-warning device as claimed in claim 6, wherein, this microprocessor unit reads a phase voltage width value of this fan-motor unit; This phase voltage width value of judging this fan-motor unit when this microprocessor unit is during greater than the maximum value of a phase voltage width preset range value or less than the minimum value of this phase voltage width preset range value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads a temperature value of this fan-motor unit; This temperature value of judging this fan-motor unit when this microprocessor unit is during greater than a temperature predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads a vibrations numerical value of this fan-motor unit; When this microprocessor unit judged that this vibrations numerical value of this fan-motor unit shakes predefined value greater than one, this microprocessor unit added one with the frequency of failure that this counter unit write down.
8. fan fails prior-warning device as claimed in claim 7, wherein, this microprocessor unit reads a humidity value of this fan-motor unit; This humidity value of judging this fan-motor unit when this microprocessor unit is during greater than a humidity predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads a wind pressure value of this fan-motor unit; This wind pressure value of judging this fan-motor unit when this microprocessor unit is during less than a blast predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down; This microprocessor unit reads an airflow value of this fan-motor unit; This airflow value of judging this fan-motor unit when this microprocessor unit is during less than an air quantity predefined value, and this microprocessor unit adds one with the frequency of failure that this counter unit write down.
9. fan fails prior-warning device as claimed in claim 8, wherein when this microprocessor unit judgement frequency of failure that this counter unit write down was less than or equal to this preset times, this microprocessor unit sent a normal signal.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105879384A (en) * | 2014-11-03 | 2016-08-24 | 韦琳 | Mahjong machine motor mechanism fault prewarning method |
CN110044008A (en) * | 2019-04-22 | 2019-07-23 | 广东美的制冷设备有限公司 | The control method of air-conditioner outdoor unit |
TWI698586B (en) * | 2019-01-23 | 2020-07-11 | 旺玖科技股份有限公司 | Devic for real-time self diagnosis of a fan and the method using the same |
CN114320970A (en) * | 2021-12-31 | 2022-04-12 | 浪潮(北京)电子信息产业有限公司 | Abnormity early warning method, device, equipment and medium for fan |
US11704630B2 (en) | 2018-01-05 | 2023-07-18 | Current Lighting Solutions, Llc | Lamp, lamp fan life predicting system and method thereof |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105879384A (en) * | 2014-11-03 | 2016-08-24 | 韦琳 | Mahjong machine motor mechanism fault prewarning method |
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CN114320970A (en) * | 2021-12-31 | 2022-04-12 | 浪潮(北京)电子信息产业有限公司 | Abnormity early warning method, device, equipment and medium for fan |
CN114320970B (en) * | 2021-12-31 | 2023-09-22 | 浪潮(北京)电子信息产业有限公司 | Fan abnormality early warning method, device, equipment and medium |
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