CN202250998U - Stepless speed regulating electric fan - Google Patents
Stepless speed regulating electric fan Download PDFInfo
- Publication number
- CN202250998U CN202250998U CN2011202785978U CN201120278597U CN202250998U CN 202250998 U CN202250998 U CN 202250998U CN 2011202785978 U CN2011202785978 U CN 2011202785978U CN 201120278597 U CN201120278597 U CN 201120278597U CN 202250998 U CN202250998 U CN 202250998U
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- CN
- China
- Prior art keywords
- control chip
- electric fan
- touch
- main control
- stepless speed
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Abstract
The utility model relates to a stepless speed regulating electric fan. The stepless speed regulating electric fan comprises a main control chip, and a touch control chip and a power drive circuit which are connected with the main control chip; the output end of the power drive circuit is connected with a direct-current brushless electric machine; and the input end of the touch control chip is connected with a touch screen which is provided with a sliding strip area which can be controlled through sliding or/and touching, a gear shift-up key area, and a gear shift-down key area. The sliding strip area of the touch screen is combined with software programming in the main control chip, and operation is performed in the sliding strip area for the roughly-tuned input of the gears, and the gear shift-up key area and the gear shift-down key area are combined for the finely-tuned input of the gears, so the electric fan is convenient and reliable, flexibility and operability are improved greatly, and the problems of large number of stepless speed regulating gears, and difficulty in operation in the conventional electric fan are solved.
Description
[technical field]
The utility model relates to household electric appliance, particularly a kind of stepless speed regulating electric fan.
[background technique]
Electric fan has got into every field, the maturation that product is also suitable.Mostly domestic electric fan is single-phase asynchronous condenser type run motor at present, because its efficient is low, heating is big, under the condition of current energy-saving and emission-reduction, has occurred great drawback.Energy-conservation in order to let electric fan accomplish, and convenient again, durable, motor adopts brush DC, and dc brushless motor can be accomplished the slow-speed of revolution, high efficiency, stepless speed regulation.In order to bring into play the maximization of electric motors function, speed step is provided with more than 30 retainings usually, and the natural wind that it is realized etc. are softer, more natural.When wind speed reached more than 30 grades, the user operated suitable trouble, and keeping off 30 retainings from 1 must connect the retaining operation by 30 buttons, and operation is inconvenience very, and push button longevity is challenged.If adopt the speed-regulating scheme of mechanical potentiometer, but its spoilage is high.
[model utility content]
The technical problem that the utility model will solve provides a kind of convenience, reliable stepless speed regulating electric fan, solves that present electric fan stepless speed regulation gear is too many, the situation of operating difficulties.
Above-mentioned technical problem realizes by the following technical programs:
A kind of stepless speed regulating electric fan; It is characterized in that; Comprise a main control chip and a touch control chip and a power driving circuit that is connected with said main control chip; The output terminal of said power driving circuit is connected with a direct current brushless electric machine, and the input end of said touch control chip is connected with a touch screen, and said touch screen is provided with one and can slides control and subtract the retaining key zone or/and the draw runner district, of some control adds retaining key zone and.
Comprise that also one is used to show the display modular of gear.
Also comprise a LED lamp bar.
The utility model stepless speed regulating electric fan through using touch screen the draw runner district and combine software programming in the main control chip in the draw runner district, operate to carry out gear coarse adjustment input; Combine to add the retaining key zone again and subtract the retaining key zone to carry out gear fine tuning input; Convenient, reliable and flexibility, operability are strengthened greatly, can solve present electric fan stepless speed regulation gear too much, the situation of operating difficulties.
[description of drawings]
Fig. 1 is the structural representation of the utility model electric fan;
Fig. 2 is the division schematic representation in draw runner district in the touch screen of the utility model.
[embodiment]
As shown in Figure 1; Present embodiment provides a kind of stepless speed regulating electric fan; Comprise that a main control chip, touches control chip, a power driving circuit, is used to show that display modular, a direct current brushless electric machine, a touch screen and of gear are used for the power supply adaptor to the power supply of this electric fan; This main control chip connects should touch control chip, this power driving circuit and this display modular; The output terminal of this power driving circuit is connected with this dc brushless motor, and this touch control chip is connected with this touch screen, this touch screen be provided with one can slide control and some control draw runner district, add retaining key zone and and subtract the retaining key zone.
In conjunction with shown in Figure 2; Electric fan based on above-mentioned hardware configuration; Present embodiment also provides a kind of control corresponding method; It may further comprise the steps: (1) is in this main control chip; By software programming; The draw runner district evenly is divided into 7 grade districts, corresponding respectively from left to right 1 retaining in these 7 grade districts, 5 retainings, 10 retainings, 15 retainings, 20 retainings, 25 retainings, 30 retainings; (2) utilize this touch control chip obtain the user in the draw runner district of touch-screen, add the retaining key zone and subtract the touch information of retaining key zone; (3) this touch control chip is given this main control chip with the touching position information of touch-screen; The gear of correspondence is analyzed and judged to this main control chip; Export the gear control signal by the mode of PWM and give power driving circuit, export gear simultaneously and show that signal is to this display module; (4) power driving circuit drives dc brushless motor to corresponding gear work, and this display module shows actual gear.
For example, current is 1 keep out the wind speed operation, if transfer to 30 retainings, and can be by following dual mode Rapid Realization: 1, slide to the right side from left side in the draw runner district with hand; 2, touch draw runner district low order end with the hand point.
For example,, can slide into or directly touch 15 retainings or 20 retainings in the draw runner district, realize coarse adjustment, touch then to add the retaining key zone or subtract and keep off key zone and carry out every retaining and be fine tuning to 17 and keep off if want to switch to 17 retainings.
This electric fan also is provided with the LED lamp bar (on the body of electric fan, LED lamp bar is located at draw runner district top) that is connected with this main control chip, and its length equates that with the draw runner district this main control chip is controlled the demonstration of LED lamp bar.
Present embodiment provides the method for two kinds of concrete control LED lamp bars work:
The one: software programming is carried out in (101) in main control chip; Design seven different controlling schemes that show of (identical) LED lamp bar with the quantity in the grade district in draw runner district; Specifically be; LED lamp bar evenly is divided into 7 from left to right waits level length; Seven different displaying schemes of LED lamp bar specifically are seven different length that show, be respectively level lengths such as first level length such as grade, preceding two ..., level lengths such as 7, corresponding respectively 1-4 gear district, 5-9 gear district, 10-14 gear district, 15-19 gear district, 20-24 gear district, 25-29 gear district, 30 gear districts from low to high; (102) utilize this touch control chip obtain the user in the draw runner district of touch screen, add the retaining key zone and subtract the touch information of retaining key zone; (103) this touch control chip is given this main control chip with the touching position information of touch screen, and this main control chip is analyzed and also judged corresponding gear, again according to gear in that gear district, and export corresponding LED lamp bar control signal; (104) LED lamp bar carries out the ground demonstration of corresponding demonstration length according to LED lamp bar control signal.Like wind speed is 15 to block to for 19 whens retaining, the lamp bar will be bright half; Wind speed was 30 whens retaining, and whole lamp bar is bright entirely, as the indication of wind speed gear, just as progress bar dynamically, directly perceived.
The 2nd: software programming is carried out in (201) in main control chip; Design seven with the grade district in draw runner district different demonstration controlling schemes of LED lamp bar one to one; Specifically be; LED lamp bar evenly is divided into 7 from left to right waits level length; Seven different displaying schemes of LED lamp bar specifically are seven different length that show, be respectively level lengths such as first level length such as grade, preceding two ..., level lengths such as 7, respectively the grade district of the grade district of corresponding 1 gear, 5 gears ..., 30 gears the grade district; (202) utilize this touch control chip obtain the user in the draw runner district of touch screen, add the retaining key zone and subtract the touch information of retaining key zone; (203) this touch control chip is given this main control chip with the touching position information of touch screen; This main control chip is analyzed the touching position information of touch screen and is judged the touch location in draw runner district, and basis is exported LED lamp bar control signal with the touch location corresponding grades district in draw runner district again; (204) LED lamp bar carries out the demonstration of corresponding demonstration length according to LED lamp bar control signal.Like the touch position in draw runner district with 15 retaining corresponding grades districts the time, the lamp bar will be bright half; The touch position in draw runner district is when the grade district of 30 retainings, and whole lamp bar is bright entirely, as the touch position indication in draw runner district; Control LED lamp bar according to the touching information in draw runner district and carry out the demonstration of respective length; Following advantage is arranged: some naughty operator is in the process that electric fan is switched to 17 retainings; Might be to touch 10 retainings in the draw runner district, and then by adding retaining key zone to 17 retaining, at this moment; LED lamp bar still carries out the demonstration with 10 retaining respective length; Just can the person of knowing operator do not operate through LED lamp bar so, can educate, to operate the life-span that keeps equipment by mode the most efficiently to it by mode the most efficiently.
The utility model is not limited to the foregoing description, and for example, the grade zoning branch in above-mentioned draw runner district is limited to 7 grades; Based on simple replacement the foregoing description, that do not make creative work, should belong to the scope that the utility model discloses.
Claims (3)
1. stepless speed regulating electric fan; It is characterized in that; Comprise a main control chip and a touch control chip and a power driving circuit that is connected with said main control chip; The output terminal of said power driving circuit is connected with a direct current brushless electric machine, and the input end of said touch control chip is connected with a touch screen, and said touch screen is provided with one and can slides control and subtract the retaining key zone or/and the draw runner district, of some control adds retaining key zone and.
2. electric fan according to claim 1 is characterized in that, comprises that also one is used to show the display modular of gear.
3. electric fan according to claim 1 is characterized in that, also comprises a LED lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202785978U CN202250998U (en) | 2011-08-02 | 2011-08-02 | Stepless speed regulating electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202785978U CN202250998U (en) | 2011-08-02 | 2011-08-02 | Stepless speed regulating electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250998U true CN202250998U (en) | 2012-05-30 |
Family
ID=46112250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202785978U Expired - Lifetime CN202250998U (en) | 2011-08-02 | 2011-08-02 | Stepless speed regulating electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287391A (en) * | 2011-08-02 | 2011-12-21 | 格力电器（中山）小家电制造有限公司 | Stepless speed-regulating electric fan and control method thereof |
-
2011
- 2011-08-02 CN CN2011202785978U patent/CN202250998U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287391A (en) * | 2011-08-02 | 2011-12-21 | 格力电器（中山）小家电制造有限公司 | Stepless speed-regulating electric fan and control method thereof |
| CN102287391B (en) * | 2011-08-02 | 2014-05-07 | 格力电器（中山）小家电制造有限公司 | Stepless speed-regulating electric fan and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |