CN106151082A - Prevent the method that starting fan operating is burnt - Google Patents
Prevent the method that starting fan operating is burnt Download PDFInfo
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- CN106151082A CN106151082A CN201510136794.9A CN201510136794A CN106151082A CN 106151082 A CN106151082 A CN 106151082A CN 201510136794 A CN201510136794 A CN 201510136794A CN 106151082 A CN106151082 A CN 106151082A
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Abstract
One prevents starting fan from operating the method burnt, and its step includes: detect the rotating speed of described flabellum forward operating through a CPU and to define its rotating speed be a reverse maximum speed value；Flabellum rotation direction and rotating speed during described flabellum antiport of a fan is detected again through described CPU；When described flabellum is blown as rotating forward by return air, its CPU starts the operating of this fan forward；When this flabellum another is blown as reversion by return air, its CPU starts the control signal that stops operating and stops this fan, when if the rotating speed of the control signal that stops operating described in is less than described reverse maximum speed value, its CPU starts the operating of this fan forward, when if the rotating speed of the control signal that stops operating described in is more than described reverse maximum speed value, its CPU makes described fan produce an alarm signal and stops operating control signal described in persistently providing, and can be prevented effectively from the operating of fan forward and burns and improve fan forward operating degree of stability effect.
Description
[technical field]
The present invention is related to one starting fan method of operation, and espespecially one can avoid the method preventing starting fan operating from burning that the operating of fan forward is burnt and improved fan forward operating degree of stability.
[background technology]
Along with the progress of science and technology, people increase the most therewith for the dependency of various electronic equipments；But, again in order to meet considering of portability and practicality, electronic product the most on the market is in design, the most all tend to compact, function is many, and processing speed come soon as design main shaft, so that the product made can more meet the life requirement of modern society, again in order to meet considering of portability and practicality, electronic product the most on the market is (such as computer, notebook computer) in design, the most all tend to compact, function is many, and the main shaft as design is carried out soon with processing speed, just the life requirement of modern society can be more met with the product made.
But general radiator fan is when the state being not powered on, the flabellum of its radiator fan presents static state, and when its radiator fan external world return air reversely blows flabellum, the flabellum of its radiator fan then opposite direction rotates, and described radiator fan is when energising forward to be carried out operates, detecting its flabellum is after opposite direction rotates, can first carry out braking rotating speed to stop rotating backward or reducing its reverse speed of its fan, but the brake rotating speed that the most therefore its radiator fan is provided can increase greatly along with return air quantitative change, and when rotating speed of braking is the highest, the load being equivalent to its radiator fan is the biggest, and when radiator fan is energized and carries out forward operating, its conducting positive voltage easily exceeds its rotating speed specification that operates because of excessive with brake rotating speed, in turn result in the situation generation that radiator fan burns, or the problem affecting radiator fan operating degree of stability.
[summary of the invention]
For effectively solving above-mentioned problem, the main purpose offer one of the present invention can avoid the method preventing starting fan operating from burning that the operating of fan forward is burnt and improved fan forward operating degree of stability.
The secondary objective of the present invention, can actively provide the method preventing starting fan operating from burning that alarm signal is informed when providing a kind of starting fan to burn.
For reaching above-mentioned purpose, the present invention provides one to prevent starting fan from operating the method burnt, and it includes step:
Detect the rotating speed of described flabellum forward operating through a CPU and to define its rotating speed be a reverse maximum speed value；
Flabellum rotation direction and rotating speed during described flabellum antiport of a fan is detected again through described CPU；
When described flabellum is blown as rotating forward by return air, its CPU starts the operating of this flabellum forward；
When this flabellum another is blown as reversion by return air, its CPU starts the control signal that stops operating and stops this flabellum, when if the rotating speed of the control signal that stops operating described in is less than described reverse maximum speed value, its CPU starts the operating of this fan forward, when if the rotating speed of the control signal that stops operating described in is more than described reverse maximum speed value, its CPU makes described fan produce an alarm signal and stops operating control signal described in persistently providing.
Described CPU makes this fan produce described alarm signal and persistently provide when stopping operating control signal, and this CPU persistently compares the rotating speed of its control signal that stops operating and described reverse maximum speed.
Described CPU is a microcontroller or motor driving IC.
The higher limit of the rotating speed of described flabellum forward operating is defined as described reverse maximum speed value.
Described CPU is arranged on a fan circuit board, and this fan circuit board is separately provided with at least one Hall sensor and at least one transistor unit and at least one coil.
Described CPU judges its flabellum forward or reverse via the signal of described Hall sensor.
Described transistor unit includes on electric crystal bridge under bridge and electric crystal, and this CPU utilizes and turns on bridge on its electric crystal and make its flabellum forward operate.
Described CPU ends bridge on its electric crystal, turns on bridge under its electric crystal and carries out its flabellum that stops operating.
When the described control signal that stops operating is more than described reverse maximum speed value, its CPU makes described fan produce an alarm signal and stops operating control signal described in persistently providing, and this CPU does not start the operating of this fan forward.
By the design of the method for the present invention, effect that the operating of fan forward is burnt and improved fan forward operating degree of stability can be prevented effectively from.
[accompanying drawing explanation]
Fig. 1 is the flow chart of steps of the embodiment of the present invention；
Fig. 2 is the circuit diagram of the embodiment of the present invention.
In accompanying drawing, the assembly representated by each sequence number is:
Fan circuit board 1
CPU 2
Hall sensor 3
Transistor unit 4
Bridge 41 on electric crystal
Bridge 42 under electric crystal
Coil 5
[detailed description of the invention]
The above-mentioned purpose of the present invention and structure thereof and characteristic functionally, will be explained according to the embodiment of institute's accompanying drawings.
Referring to Fig. 1 and Fig. 2, prevent, for the present invention, the flow chart of steps of embodiment of the method and the circuit diagram that starting fan operating burns, as it can be seen, one prevents starting fan from operating the method burnt, it includes step:
Step S1, detects the rotating speed of described flabellum forward operating through a CPU 2 and to define its rotating speed is a reverse maximum speed value；
Wherein said fan mainly has a fan circuit board 1, and this CPU 2 principal set up is on described fan circuit board 1, and on this fan circuit board 1, separately it is provided with at least one Hall sensor 3 and at least one transistor unit 4 and at least one coil 5, and its fan can be single phase fan or three-phase fan, with three-phase fan as embodiment in the present embodiment, this CPU 2 is a microcontroller or motor driving IC, bridge 42 under bridge 41 and electric crystal is included on electric crystal with its transistor unit 4, and its CPU 2 detects the rotating speed of its forward operating when fan forward operates, and its rotating speed is defined as a reverse maximum speed value, wherein this reverse maximum speed value is the higher limit of rotating speed of described flabellum forward operating；
Step S2, then flabellum rotation direction and rotating speed during described flabellum antiport of a fan is detected through described CPU 2；
And before the energising operating of its fan forward, described CPU 2 judges its flabellum rotation direction via the signal of described Hall sensor 3, and detect its rotating speed according to its rotation direction, and its fan is when being blown by return air, its flabellum is antiport, and its CPU 2 is detected its flabellum and is antiport and detects its reverse rotating speed according to its antiport.
Step S3, when described flabellum is blown as rotating forward by return air, its CPU 2 starts the operating of this fan forward；
Wherein said CPU 2 detects the flabellum rotation direction of its fan, and its CPU 2 detects its fan when being blown as rotating forward by return air, and its CPU 2 then turns on bridge 41 on its electric crystal and opens energising and start the operating of this fan forward.
Step S4, when separately this flabellum is blown as reversion by return air, its CPU 2 starts the control signal that stops operating and stops this fan；
Wherein said CPU 2 detects the flabellum rotation direction of its fan, and its CPU 2 detects its fan when being blown as reversion by return air, its CPU 2 is the most first not turned on energising and starts the control signal that stops operating and stop the rotation of this fan reversion.
Step S41, if described in stop operating control signal rotating speed less than described reverse maximum speed value time, its CPU 2 start this fan forward operating；
Wherein if CPU 2 detects the rotating speed of its control signal that stops operating less than described reverse maximum speed value, its CPU 2 then turns on bridge 41 on its electric crystal and opens energising and start the operating of this fan forward.
Step S42, if described in stop operating the rotating speed of control signal more than described reverse maximum speed value time, its CPU 2 makes described fan produce an alarm signal and stops operating control signal described in persistently providing；
Wherein if CPU 2 detects the rotating speed of its control signal that stops operating more than described reverse maximum speed value, described CPU 2 ends bridge 41 on its electric crystal, turn on bridge 42 under its electric crystal and carry out its flabellum that stops operating, and its CPU 2 makes described fan produce an alarm signal and stops operating control signal described in persistently providing, and this CPU 2 does not start the operating of this fan forward.
Thereby, it is forward or reverse that the method preventing starting fan operating from burning described in passing through detects its fan, if starting the operating of its this fan forward when rotating forward, if first judging the rotating speed of its control signal that stops operating and the size of reverse maximum speed value during reversion, and then control the operating of its fan forward or produce alarm signal notice, can reach the effect avoiding the operating of fan forward to burn and improve fan forward operating degree of stability.
Press, the above, the only preferred embodiment of the present invention, only inventive feature is not limited thereto, and any is familiar with this those skilled in the art in field of the present invention, can think easily and change or modification, all should contain in claim of the invention below.
Claims (9)
1. one kind prevents the method that starting fan operating is burnt, it is characterised in that its step includes:
Detect the rotating speed of described flabellum forward operating through a CPU and to define its rotating speed be a reverse maximum speed value；
Flabellum rotation direction and rotating speed during described flabellum antiport of a fan is detected again through described CPU；
When described flabellum is blown as rotating forward by return air, its CPU starts the operating of this flabellum forward；
When this flabellum another is blown as reversion by return air, its CPU starts the control signal that stops operating and stops this flabellum, when if the rotating speed of the control signal that stops operating described in is less than described reverse maximum speed value, its CPU starts the operating of this fan forward, when if the rotating speed of the control signal that stops operating described in is more than described reverse maximum speed value, its CPU makes described fan produce an alarm signal and stops operating control signal described in persistently providing.
The method preventing starting fan operating from burning the most according to claim 1, it is characterized in that, described CPU makes this fan produce described alarm signal and persistently provide when stopping operating control signal, and this CPU persistently compares the rotating speed of its control signal that stops operating and described reverse maximum speed.
The method preventing starting fan operating from burning the most according to claim 1, it is characterised in that described CPU is a microcontroller or motor driving IC.
The method preventing starting fan operating from burning the most according to claim 1, it is characterised in that the higher limit of the rotating speed of described flabellum forward operating is defined as described reverse maximum speed value.
The method preventing starting fan operating from burning the most according to claim 1, it is characterized in that, described CPU is arranged on a fan circuit board, and this fan circuit board is separately provided with at least one Hall sensor and at least one transistor unit and at least one coil.
The method preventing starting fan operating from burning the most according to claim 5, it is characterised in that described CPU judges its flabellum forward or reverse via the signal of described Hall sensor.
The most according to claim 6 prevent starting fan from operating the method burnt, it is characterised in that described transistor unit includes on electric crystal bridge under bridge and electric crystal, and this CPU utilizes and turns on bridge on its electric crystal and make its flabellum forward operate.
The method preventing starting fan operating from burning the most according to claim 7, it is characterised in that described CPU ends bridge on its electric crystal, turns on bridge under its electric crystal and carries out its flabellum that stops operating.
The method preventing starting fan operating from burning the most according to claim 8, it is characterized in that, when the described control signal that stops operating is more than described reverse maximum speed value, its CPU makes described fan produce an alarm signal and stops operating control signal described in persistently providing, and this CPU does not start the operating of this fan forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136794.9A CN106151082B (en) | 2015-03-27 | 2015-03-27 | The method for preventing starting fan operating from burning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136794.9A CN106151082B (en) | 2015-03-27 | 2015-03-27 | The method for preventing starting fan operating from burning |
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| Publication Number | Publication Date |
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| CN106151082A true CN106151082A (en) | 2016-11-23 |
| CN106151082B CN106151082B (en) | 2017-11-24 |
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| CN201510136794.9A Active CN106151082B (en) | 2015-03-27 | 2015-03-27 | The method for preventing starting fan operating from burning |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131313A (en) * | 2017-12-18 | 2018-06-08 | 联想(北京)有限公司 | A kind of fan and terminal |
| TWI645284B (en) * | 2016-12-28 | 2018-12-21 | 仁寶電腦工業股份有限公司 | Electronic device and method for controlling fan operation |
| CN110768363A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Vehicle power distribution control device and method |
| CN113323903A (en) * | 2021-06-18 | 2021-08-31 | 广东湾区智能终端工业设计研究院有限公司 | Fan hot start method and device |
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2015
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI645284B (en) * | 2016-12-28 | 2018-12-21 | 仁寶電腦工業股份有限公司 | Electronic device and method for controlling fan operation |
| CN108131313A (en) * | 2017-12-18 | 2018-06-08 | 联想(北京)有限公司 | A kind of fan and terminal |
| CN108131313B (en) * | 2017-12-18 | 2019-12-24 | 联想(北京)有限公司 | Fan and terminal |
| CN110768363A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Vehicle power distribution control device and method |
| CN110768363B (en) * | 2018-07-27 | 2021-11-12 | 比亚迪股份有限公司 | Vehicle power distribution control device and method |
| CN113323903A (en) * | 2021-06-18 | 2021-08-31 | 广东湾区智能终端工业设计研究院有限公司 | Fan hot start method and device |
| CN113323903B (en) * | 2021-06-18 | 2023-08-08 | 广东湾区智能终端工业设计研究院有限公司 | Method and device for hot start of fan |
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|---|---|
| CN106151082B (en) | 2017-11-24 |
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