CN104712569A - Control circuit for automatic electric fan - Google Patents
Control circuit for automatic electric fan Download PDFInfo
- Publication number
- CN104712569A CN104712569A CN201310669276.4A CN201310669276A CN104712569A CN 104712569 A CN104712569 A CN 104712569A CN 201310669276 A CN201310669276 A CN 201310669276A CN 104712569 A CN104712569 A CN 104712569A
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- CN
- China
- Prior art keywords
- circuit
- control circuit
- voice
- fan
- control
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- 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
- F04D27/007—Conjoint control of two or more different functions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention relates to a control circuit for an automatic electric fan. The control circuit comprises a range sensor, a temperature sensor, a voice receiving circuit, a voice identification circuit, a voice feedback circuit, a head shaking control circuit, a PWM speed regulation circuit, a switching circuit and a microprocessor, wherein the voice receiving circuit and the voice feedback circuit are connected with the voice identification circuit; and the voice identification circuit, the temperature sensor, the range sensor, the head shaking control circuit, the PWM speed regulation circuit and the switching circuit are all connected with the microprocessor. The control circuit for the automatic electric fan has the advantages that the fan can be controlled through the voice, the fan speed can be regulated automatically according to outside temperature, and the safety is better.
Description
Technical field
The present invention relates to control circuit, be specifically related to a kind of control circuit of automatic electric fan.
Background technique
Existing fan mainly contains following two kinds of control modes: one is that manually mechanical type realizes; Two is the telecontrol that use a teleswitch, first allow fan head swinging, after blade face turns to suitable direction, control it again stop operating, thus obtain more appropriate air supply direction, but the bimanualness that above two kinds of modes all depend on people realizes the control to fan, and operate inconvenience.In addition, although be provided with mat outside blade, because the finger of child is comparatively thin, still can finger be extend in guard, there is potential safety hazard.
Summary of the invention
The object of this invention is to provide a kind of control circuit of automatic electric fan, by voice, fan is controlled, can according to the wind speed of the temperature automatic adjustment fan in the external world, and Security is better.
The control circuit of automatic electric fan of the present invention, comprise range sensor, temperature transducer, phonetic incepting circuit, speech recognition circuit, voice feedback circuit, control circuit of shaking the head, PWM alignment circuit, switching circuit and microprocessor, described phonetic incepting circuit, voice feedback circuit are connected with speech recognition circuit, and speech recognition circuit, temperature transducer, range sensor, control circuit of shaking the head, PWM alignment circuit are connected with microprocessor respectively with switching circuit.
Described phonetic incepting circuit comprises MIC microphone and peripheral circuit.
Described speech recognition circuit comprises voice recognition chip and peripheral circuit.
Described voice feedback circuit adopts internal magnetization loudspeaker, and the control end of described internal magnetization loudspeaker is connected with the I/O mouth of described voice recognition chip.
During use, be connected by the output terminal of control circuit of shaking the head with head-shaking motor, the output terminal of PWM alignment circuit is connected with blade rotation motor.Phonetic incepting circuit detects the voice messaging receiving user and export in real time, and gathered voice messaging is passed to speech recognition circuit identifies; Microprocessor sends control information to corresponding control circuit (comprising control circuit of shaking the head, PWM alignment circuit and switching circuit) according to the result of speech recognition circuit identification, such as: when microprocessor send shake the head control command time, control circuit of shaking the head controls fan head swinging according to this control command, when microprocessor send breeze up/reduce wind-force instruction time, PWM alignment circuit controls fan according to this control command and carries out/the downshift operation that shifts up, when microprocessor sends shutdown control command, switching circuit cuts off power supply according to this control command.Temperature transducer detects extraneous temperature in real time, and gathered temperature signal is passed to microprocessor, and microprocessor sends control signal according to temperature signal, carries out speed governing by control PWM alignment circuit to fan.The distance between this fan and human body measured in real time by range sensor, and measured distance signal is passed to microprocessor, and when detecting that the distance of human body and fan is less than or equal to default abstinence distance, Microprocessor S3C44B0X warning circuit is reported to the police; When detecting that the distance of people and fan is less than or equal to default exposure distance, Microprocessor S3C44B0X switching circuit shuts down power supply.
The control circuit of automatic electric fan of the present invention:
One, by voice, fan is controlled (comprise switch, speed governing and shake the head), the both hands of people are freed completely;
Two, the wind speed of fan can be regulated in real time according to external temperature, when people evening in bed, after starting electric fan, after temperature declines, control electric fan and reduce wind speed, prevent people from suffering from cold, after temperature rises, control electric fan and improve wind speed, guarantee that people can have a good sleep;
Three, Security is good, and when detecting that the distance of human body (such as: child) and fan is less than or equal to default abstinence distance, Microprocessor S3C44B0X warning circuit is reported to the police, prompting child is dangerous please don't be close; When detecting that the distance of people and fan is less than or equal to default exposure distance, Microprocessor S3C44B0X switching circuit shuts down power supply, prevents from child from pointing stretching into fan being twisted wound.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the control circuit of automatic electric fan of the present invention.
Embodiment
Now by reference to the accompanying drawings the present invention is described in further detail.
As shown in Figure 1, the control circuit of this automatic electric fan comprises range sensor 1, temperature transducer 2, phonetic incepting circuit 3, speech recognition circuit 4, voice feedback circuit 5, to shake the head control circuit 6, PWM alignment circuit 7, switching circuit 8 and microprocessor 9, phonetic incepting circuit 3 comprises MIC microphone and peripheral circuit, speech recognition circuit 4 comprises voice recognition chip and peripheral circuit, described phonetic incepting circuit 3 is connected with speech recognition circuit 4, voice feedback circuit 5 adopts internal magnetization loudspeaker, the control end of described internal magnetization loudspeaker is connected with the I/O mouth of described voice recognition chip.Speech recognition circuit 4, temperature transducer 2, range sensor 1, control circuit 6 of shaking the head, PWM alignment circuit 7 are connected with microprocessor 9 respectively with switching circuit 8.
During use, the output terminal of control circuit 6 of shaking the head is connected with the head-shaking motor that drive fan is shaken the head, the blade rotation motor that output terminal and the drive vane of PWM alignment circuit 7 are rotated is connected, and range sensor 1, temperature transducer 2, phonetic incepting circuit 3 is arranged on the base of fan.
Phonetic incepting circuit 3 detects in real time the voice messaging receiving user and export, and gathered voice messaging is passed to speech recognition circuit 4 identifies; Microprocessor 9 sends control information to corresponding control circuit (comprising control circuit 6 of shaking the head, PWM alignment circuit 7 and switching circuit 8) according to the result that speech recognition circuit 4 identifies, such as: when people send shake the head order time, phonetic incepting circuit 3 is passed to speech recognition circuit 4 and is identified after receiving this order, the result that microprocessor 9 identifies according to speech recognition circuit 4 sends to control circuit 6 of shaking the head control command of shaking the head, and by shaking the head, control circuit 6 controls fan head swinging.When people send breeze up/reduce wind-force order time, the result that microprocessor 9 identifies according to speech recognition circuit 4 sends shift-up/downshift control command to PWM alignment circuit 7, controls fan carry out the/downshift operation that shifts up by PWM alignment circuit 7.When people sends closedown/open command, the result that microprocessor 9 identifies according to speech recognition circuit 4 sends closedown/unlatching control command to switching circuit 8, controls fan On/Off by switching circuit 8.
Temperature transducer 2 detects extraneous temperature in real time, and gathered temperature signal is passed to microprocessor 9, and microprocessor 9 sends control signal according to temperature signal, and PWM alignment circuit 7 controls fan and carries out/the downshift operation that shifts up.
The distance between fan and human body (such as: child) measured in real time by range sensor 1, and measured distance signal is passed to microprocessor 9, when detecting that the distance of human body from fan is less than or equal to default warning distance, microprocessor 9 controls voice feedback circuit 5 and sends chimes of doom, to point out danger please don't be close, when range sensor 1 detects that the distance of human body and fan is less than exposure distance, microprocessor 9 control switch circuit 8 is cut off the electricity supply, and prevents from child from pointing stretching into fan being twisted wound.
Claims (4)
1. the control circuit of an automatic electric fan, it is characterized in that: comprise range sensor (1), temperature transducer (2), phonetic incepting circuit (3), speech recognition circuit (4), voice feedback circuit (5), control circuit of shaking the head (6), PWM alignment circuit (7), switching circuit (8) and microprocessor (9), described phonetic incepting circuit, voice feedback circuit are connected with speech recognition circuit, and speech recognition circuit, temperature transducer, range sensor, control circuit of shaking the head, PWM alignment circuit are connected with microprocessor respectively with switching circuit.
2. the control circuit of automatic electric fan according to claim 1, is characterized in that: described phonetic incepting circuit (3) comprises MIC microphone and peripheral circuit.
3. the control circuit of automatic electric fan according to claim 1 and 2, is characterized in that: described speech recognition circuit (4) comprises voice recognition chip and peripheral circuit.
4. the control circuit of automatic electric fan according to claim 3, is characterized in that: described voice feedback circuit (5) adopts internal magnetization loudspeaker, and the control end of described internal magnetization loudspeaker is connected with the I/O mouth of described voice recognition chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669276.4A CN104712569A (en) | 2013-12-11 | 2013-12-11 | Control circuit for automatic electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669276.4A CN104712569A (en) | 2013-12-11 | 2013-12-11 | Control circuit for automatic electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104712569A true CN104712569A (en) | 2015-06-17 |
Family
ID=53412202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310669276.4A Pending CN104712569A (en) | 2013-12-11 | 2013-12-11 | Control circuit for automatic electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104712569A (en) |
-
2013
- 2013-12-11 CN CN201310669276.4A patent/CN104712569A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150617 |