CN204683283U - A kind of curtain Controller based on dtmf signal - Google Patents
A kind of curtain Controller based on dtmf signal Download PDFInfo
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- CN204683283U CN204683283U CN201520321186.0U CN201520321186U CN204683283U CN 204683283 U CN204683283 U CN 204683283U CN 201520321186 U CN201520321186 U CN 201520321186U CN 204683283 U CN204683283 U CN 204683283U
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- dtmf signal
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- controller based
- chip microcomputer
- curtain
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Abstract
A kind of curtain Controller based on dtmf signal, comprise the client for sending dtmf signal, signal resolution module, host computer, wireless communication module, single-chip microcomputer, direct current generator and curtain, wherein, client's side link has the receiving terminal for receiving the dtmf signal that client sends, receiving terminal is connected with signal resolution module, signal resolution module is connected with the host computer with display screen, host computer is connected with the input of wireless communication module, the output of wireless communication module is connected with the input of single-chip microcomputer, the output of single-chip microcomputer connects direct current generator, direct current generator is connected with curtain.The utility model structure is simple, and cost is low, and it is new to have very strong practicality, and in applying.
Description
Technical field
The utility model belongs to Smart Home technical field, is specifically related to a kind of curtain Controller based on dtmf signal.
Background technology
Along with the raising of science and technology, expanding economy, the raising of the living standard of people, also more and more higher to the requirement of domestic environment, as the core of home intelligence---intelligent home control system also seems all the more important.The development and construction that home intelligence controls is the inexorable trend of following country, economic development.
Intelligent home control system can provide intelligent control scheme for system, makes the control of resident family more convenient, more efficiently, more can save unnecessary energy consumption for the daily routines of family.And now this focuses in the world of environmental protection, intelligence control the humidity, temperature etc. of air well for resident family, Inspection and analysis composition of air, allows resident family feel at ease to move in.Meanwhile, the intelligent domestic appliance controller according to the requirement Adjusted Option of resident family, can strengthen emergent management, and the first aids such as crisis rescue control, as long as fully reach " user wants, and is exactly that people pursue " aim.
But current front "smart" products have poor practicability, use the shortcomings such as complicated and valuable product, await solving.
Utility model content
The purpose of this utility model is to provide a kind of curtain Controller based on dtmf signal, has very strong practicality, and structure is simple, and cost is low.
For achieving the above object, the utility model adopts following technical scheme:
A kind of curtain Controller based on dtmf signal, comprise the client for sending dtmf signal, signal resolution module, host computer, wireless communication module, single-chip microcomputer, direct current generator and curtain, wherein, client's side link has the receiving terminal for receiving the dtmf signal that client sends, receiving terminal is connected with signal resolution module, signal resolution module is connected with the host computer with display screen, host computer is connected with the input of wireless communication module, the output of wireless communication module is connected with the input of single-chip microcomputer, the output of single-chip microcomputer connects direct current generator, direct current generator is connected with curtain.
Described signal resolution module comprises the dtmf signal receiver for being connected with receiving terminal, and dtmf signal receiver is connected with LM386 signal amplifier, and LM386 signal amplifier is connected with dtmf signal decoder, and dtmf signal decoder is connected with host computer.
Described dtmf signal receiver is microphone.
Described microphone is electret microphone.
Described client is smart mobile phone.
Driver is provided with between described single-chip microcomputer and direct current generator.
Described driver is L298N motor drive ic.
The model of described single-chip microcomputer is STC89C52RC.
Described wireless communication module is Zigbee module.
Compared with prior art, the beneficial effect that has of the utility model:
The utility model is by signalization parsing module, user sends dtmf signal by client, after signal resolution module utilizes prior art to resolve signal, and the signal after resolving is transmitted as host computer, host computer by wireless communication module by Signal transmissions to the input of single-chip microcomputer, single-chip microcomputer exports to direct current generator after being changed by signal again, and direct current generator is connected with curtain, direct current generator carries out forward or reverse according to the signal received, and can realize the folding of curtain.The utility model structure is simple, and cost is low, and it is new to have very strong practicality, easy to utilize.
Further, wireless communication module is Zigbee module, can be good at the wireless transmission of carrying out signal.
Further, dtmf signal receiver is microphone, and is electret microphone, has that volume is little, lightweight, structure is simple, low-cost advantage.
Further, driver is set between single-chip microcomputer and direct current generator, and driver is L298N motor drive ic, better can realizes the driving to direct current generator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the pinouts of LM386 signal amplifier.
In figure, 1 is client, and 2 is signal resolution module, and 3 is host computer, and 4 is wireless communication module, and 5 is single-chip microcomputer, and 6 is direct current generator, and 7 is curtain.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
See Fig. 1, the utility model comprises client 1, i.e. smart mobile phone, smart mobile phone is connected with the receiving terminal for receiving the dtmf signal that smart mobile phone sends, receiving terminal is connected with signal resolution module 2, signal resolution module 2 is connected with the host computer 3 with display screen, host computer 3 is connected with the input of wireless communication module 4, the output of wireless communication module 4 is connected with the input of single-chip microcomputer 5, the output of single-chip microcomputer 5 is connected with driver, driver is connected with direct current generator 6, the curtain 7 that direct current generator 6 is connected with.
Signal resolution module comprises the dtmf signal receiver for being connected with receiving terminal, dtmf signal receiver is connected with LM386 signal amplifier, LM386 signal amplifier is connected with dtmf signal decoder, after dtmf signal decoder utilizes prior art to decode, and decoded information transmission is given the host computer 3 be connected with dtmf signal decoder.Wherein, described dtmf signal receiver is microphone, and microphone is electret microphone.
The effect of single-chip microcomputer is that after the signal after being amplified by the LM386 signal amplifier received, be sent as driver again by after corresponding signal conversion, driver drives direct current generator rotates forward or reversion, since realize the folding of curtain.
Described wireless communication module is Zigbee module.
In the utility model, the model of single-chip microcomputer is STC89C52RC.STC89C52RC single-chip microcomputer is the single-chip microcomputer that a reliability is high, security is high, price is low, low in energy consumption that macrocrystalline Science and Technology Ltd. releases, in the utility model, the effect of single-chip microcomputer is only changed by signal, and the signal after conversion is sent as driver.
Dual tone multi-frequency dtmf (Dual Tone Multi Frequency), is made up of high frequency group and low frequency group, and height frequency group respectively comprises 4 frequencies.A high-frequency signal and low frequency signal superposition composition composite signal, represent a numeral.Dtmf signaling has 16 codings.The utility model utilizes dual tone multi-frequency dtmf signal, can be good at realizing the control to curtain in family.
The operation principle of electret microphone is: when to be made the diaphragm oscillations in microphone by air when the sound of occurring in nature, the distance of vibrating diaphragm and lower metal iron plate will be made to change, its electric capacity is changed, thus form the electric current changed along with sound variation.Its feature is that volume is little, lightweight, structure is simple, sound equipment is wide, highly sensitive, vibration resistance, low price etc., is thus widely used in the electronic installations such as recorder, wireless microphone and audio-switch.Exactly because so, the utility model adopts electret microphone as the harvester of phone dtmf signal.
See Fig. 2, LM386 signal amplifier, there is quiescent dissipation low (being about 4mA), operating voltage range wide (4-12V), peripheral cell is few, voltage gain the is adjustable feature such as (20-200), low distortion.Its pinouts as shown in Figure 2.By at the indirect electric capacity of pin 1 and pin 8 or a resistance, the gain amplifier of audio signal can be regulated.Pin 2 is the reverse input end of audio signal, general direct ground connection, and pin 3 is the in-phase input end of audio signal.Pin 6 and pin 4 are respectively the positive and negative electrode of power supply.Pin 5 is the output of the audio signal after amplifying.
Preferably, driver is L298N motor drive ic, and the main feature of this chip is: operating voltage is high, and maximum operating voltage can reach 46V; Output current is large, and instantaneous peak current can reach 3A, and continuous firing electric current is 2A; Include the high-voltage large current full-bridge type driver of two H bridges, can be used for driving dc motor.
The course of work of the present utility model is: user sends dtmf signal by client by the mobile phone key pressing smart mobile phone, after signal resolution module utilizes prior art to resolve signal, and the signal after resolving is transmitted as host computer, host computer by wireless communication module by Signal transmissions to the input of single-chip microcomputer, single-chip microcomputer exports to direct current generator after being changed by signal again, direct current generator carries out forward or reverse according to the signal received, to realize the folding of curtain.
Because host computer is with display screen, user can send information to single-chip microcomputer by the display screen (i.e. human-computer interaction interface) of host computer.
Claims (9)
1. the curtain Controller based on dtmf signal, it is characterized in that, comprise the client (1) for sending dtmf signal, signal resolution module (2), host computer (3), wireless communication module (4), single-chip microcomputer (5), direct current generator (6) and curtain (7), wherein, client (1) is connected with the receiving terminal for receiving the dtmf signal that client (1) sends, receiving terminal is connected with signal resolution module (2), signal resolution module (2) is connected with the host computer (3) with display screen, host computer (3) is connected with the input of wireless communication module (4), the output of wireless communication module (4) is connected with the input of single-chip microcomputer (5), the output of single-chip microcomputer (5) connects direct current generator (6), direct current generator (6) is connected with curtain (7).
2. a kind of curtain Controller based on dtmf signal according to claim 1, it is characterized in that, described signal resolution module (2) comprises the dtmf signal receiver for being connected with receiving terminal, dtmf signal receiver is connected with LM386 signal amplifier, LM386 signal amplifier is connected with dtmf signal decoder, and dtmf signal decoder is connected with host computer (3).
3. a kind of curtain Controller based on dtmf signal according to claim 2, is characterized in that, described dtmf signal receiver is microphone.
4. a kind of curtain Controller based on dtmf signal according to claim 3, is characterized in that, described microphone is electret microphone.
5. a kind of curtain Controller based on dtmf signal according to claim 1, is characterized in that, described client (1) is smart mobile phone.
6. a kind of curtain Controller based on dtmf signal according to claim 1, is characterized in that, is provided with driver between described single-chip microcomputer (5) and direct current generator (6).
7. a kind of curtain Controller based on dtmf signal according to claim 6, is characterized in that, described driver is L298N motor drive ic.
8. a kind of curtain Controller based on dtmf signal according to claim 1, is characterized in that, the model of described single-chip microcomputer (5) is STC89C52RC.
9. a kind of curtain Controller based on dtmf signal according to claim 1, is characterized in that, described wireless communication module (4) is Zigbee module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520321186.0U CN204683283U (en) | 2015-05-18 | 2015-05-18 | A kind of curtain Controller based on dtmf signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520321186.0U CN204683283U (en) | 2015-05-18 | 2015-05-18 | A kind of curtain Controller based on dtmf signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204683283U true CN204683283U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520321186.0U Expired - Fee Related CN204683283U (en) | 2015-05-18 | 2015-05-18 | A kind of curtain Controller based on dtmf signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204683283U (en) |
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2015
- 2015-05-18 CN CN201520321186.0U patent/CN204683283U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |