CN201491094U - Remote control system for home appliances - Google Patents
Remote control system for home appliances Download PDFInfo
- Publication number
- CN201491094U CN201491094U CN2009200345533U CN200920034553U CN201491094U CN 201491094 U CN201491094 U CN 201491094U CN 2009200345533 U CN2009200345533 U CN 2009200345533U CN 200920034553 U CN200920034553 U CN 200920034553U CN 201491094 U CN201491094 U CN 201491094U
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- Prior art keywords
- circuit
- microprocessor
- control system
- household electrical
- electrical appliance
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Abstract
The utility model discloses a remote control system for home appliances, comprising a microprocessor, a ringing detection circuit, a switch circuit, a DTMF decoding circuit, a voice prompt circuit, a driving circuit, a transmission circuit and a telephone, wherein the ringing detection circuit and the switch circuit are a dual monostable circuit which is connected with the telephone and the microprocessor; the voice prompt circuit is connected with the microprocessor and the telephone; the DTMF decoding circuit is connected with the switch circuit and the microprocessor; and the driving circuit is connected with the microprocessor and the transmission circuit. The remote control system for home appliances can realize the control to the home appliance by dialing the telephone in a home through a remote fixed-line telephone or a mobile phone, thus being simple in structure and low in manufacture cost.
Description
Technical field
The utility model relates to a kind of concentrated appliance control system, especially a kind of remote household electrical appliance control system.
Background technology
Along with development of human society and progress of science and technology, household electrical appliance have been played the part of more and more important role in people's life, and it brings great convenience for people's life.And household electrical appliances are generally directly controlled by staff, when staying out as if the people, with regard to the electrical equipment of uncontrollable family.If morning, working was left home, remember that air-conditioning, TV or other electrical appliance do not close, in the face of this situation,, can only allow electric energy run off in vain just we have no way out, more seriously may cause some potential danger.
Therefore, be necessary to design a kind of remote household electrical appliance control system be convenient for people to can the Long-distance Control family household electrical appliances.
The utility model content
The purpose of this utility model is to provide a kind of remote household electrical appliance control system that can remote control domestic electrical equipment.
The utility model remote household electrical appliance control system adopts following technical scheme: a kind of remote household electrical appliance control system, comprise microprocessor, ring detecting circuit, switching circuit, DTMF decoding circuit, voice warning circuit, drive circuit, radiating circuit and phone, described ring detecting circuit and switching circuit are a two monostable circuit, it connects phone and microprocessor, described voice warning circuit connects microprocessor and phone, described DTMF decoding circuit connects switching circuit and microprocessor, and described drive circuit connects microprocessor and radiating circuit.
The model of described microprocessor is AT89C51, described pair of monostable circuit is made up of CD4528, described DTMF decoding circuit is made up of MT8870 dual-tone multifrequency conversion chip, described voice warning circuit comprises APR6900 voice module and 555 circuit, described drive circuit is made up of 74LS04, and the chip that described radiating circuit uses is PT2262.
The model of described microprocessor is AT89C51, the model of described pair of monostable circuit is CD4528, the model of described DTMF decoding circuit is the dual-tone multifrequency conversion chip of MT8870, described voice warning circuit comprises APR6900 voice module and 555 circuit, the model of described drive circuit is 74LS04, and the chip that described radiating circuit uses is PT2262.
Described radiating circuit wireless connections are some to receive signal that radiating circuit sends and the receiving circuit of controlling the socket power on/off.
The chip that described receiving circuit uses is PT2272.
Described receiving circuit also comprises some relays.
Native system utilizes the advantage of singlechip microprocessor, adopt the combination of hardware and software, make the ring detecting circuit in the system, switching circuit, DTMF decoding circuit etc., various partial function circuit can intelligence be unified, synthetically finish phone information according to the certain predetermined value and extract identification, and finish corresponding control, thereby ideally realize remote household electrical appliance control according to default.For realizing the control of multichannel household electrical appliance, we can be numbered the receiving terminal of control electrical appliance and set unique corresponding address, radiating circuit sends different address control signals can correspondingly control different terminals, thereby realize the corresponding electrical equipment appellative function of control, reach the control of multichannel multiple-purpose electric appliance.
Compared with prior art, the utlity model has following advantage: dial phone in the family by long-range landline telephone or mobile phone and just can realize control household electrical appliances in the family, and also simple in structure, cheap.
Description of drawings
Fig. 1 is the utility model remote household electrical appliance control system block diagram;
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.
See also shown in Figure 1ly, the utility model remote household electrical appliance control system comprises microprocessor, ring detecting circuit, switching circuit, DTMF decoding circuit, voice warning circuit, drive circuit and wireless transmission/reception circuit.
The microprocessor of native system is the single-chip microcomputer of AT89C51, all control commands are sent by it, ring detecting circuit and switching circuit are that a model is two monostable circuits of CD4528, the DTMF decoding circuit mainly is made up of MT8870 dual-tone multifrequency conversion chip, voice warning circuit comprises APR6900 voice module and 555 circuit, drive circuit mainly is made up of 74LS04, and emission/receiving circuit mainly is made up of the PT2262/2272 chip.
The two monostable circuits of CD4528 connect microprocessor AT89C51 and phone in the native system, MT8870 dual-tone multifrequency conversion chip connects the switching circuit in microprocessor AT89C51 and the two monostable circuits of CD4528, voice warning circuit connects microprocessor AT89C51 and phone, and drive circuit connects microprocessor AT89C51 and radiating circuit.
When the user needs in the remote control home electrical equipment, available handsets or landline telephone are dialed the telephone number in the family, bell signal passes to phone in the family by telephone network, this moment, ring detecting circuit began to detect bell signal, pulse of a ringing signal generating signal, microprocessor AT89C51 is delivered in pulse, microprocessor AT89C51 time-delay issues instructions to 555 circuit connection phone and controls APR6900 voice module broadcast voice messaging prompting user and input password after 30 seconds, while microprocessor AT89C51 sends the commands for controlling switching circuit and opens.DTMF decoding chip MT8870 startup is in listening state, the push button signalling of user's input enters DTMF decoding chip MT8870 by switching circuit, DTMF decoding chip MT8870 receives and converts digital signal corresponding to and deliver to microprocessor AT89C51 and discern judgement, if password bad, then the voice suggestion user re-enters, when input password errors number surpassed 3 times, system was with automatic hand-up.If the user inputs password after system validation is correct, the voice suggestion user imports the control information of corresponding household electrical appliance, and (household electrical appliance are numbered before use, the numbering of input household electrical appliances during input control information, so that what know control is those household electrical appliance, thereby realize the control of a plurality of electrical equipment), control information is passed in the family behind the phone through network, DTMF decoding chip MT8870 can convert the push button signalling of user's input to digital signal corresponding and deliver to microprocessor AT89C51, microprocessor AT89C51 is by combined with control signal and the instruction of household electrical appliances numbering corresponding address after analyzing, drive radiating circuit PT2262 emission wireless signal through the 74LS04 drive circuit, thereby receiving circuit PT2272 receives the wireless signal of PT2262 emission and controls corresponding appliance switch or carry out the purpose that corresponding actions reaches control, after confirming that operation is finished, system enters the Control Circulation state automatically, continue the prompting control information, if user's on-hook then this control system automatically reset and enter holding state and proceed to monitor ringing information, if not on-hook then at three control information speech prompting back system's automatic hand-ups and reset and be in holding state and proceed to monitor ringing information of user.
Emission of the present utility model/receiving circuit PT2262/2272 can realize the corresponding a plurality of receiving circuits of single radiating circuit, this receiving circuit adopts control to have the supply socket of relay or electric appliance built-in relay and realizes final control to household electrical appliances, such as room lighting, TV, water heater, air-conditioning, as long as the electrical equipment of refrigerator etc. plugs in, microprocessor can be by controlling the break-make that each relay comes the control apparatus power supply in the socket, this mode simply is easy to realize, the household electrical appliance that can be used for inside and outside all the mains switch controls in control room, can also realize more controls by change to controlled terminal, such as indoor curtain, door and window installs motor and drive circuit additional, by the Long-distance Control curtain open/close, the switch of door and window.
The utility model remote household electrical appliance control system can increase a keyboard, if the people at home, directly can import command adapted thereto by keyboard and control electrical equipment in the family.
Claims (5)
1. remote household electrical appliance control system, comprise microprocessor, ring detecting circuit, switching circuit, DTMF decoding circuit, voice warning circuit, drive circuit, radiating circuit and phone, it is characterized in that: described ring detecting circuit and switching circuit are a two monostable circuit, it connects phone and microprocessor, described voice warning circuit connects microprocessor and phone, described DTMF decoding circuit connects switching circuit and microprocessor, and described drive circuit connects microprocessor and radiating circuit.
2. remote household electrical appliance control system as claimed in claim 1, it is characterized in that: the model of described microprocessor is AT89C51, the model of described pair of monostable circuit is CD4528, the model of described DTMF decoding circuit is the dual-tone multifrequency conversion chip of MT8870, described voice warning circuit comprises APR6900 voice module and 555 circuit, the model of described drive circuit is 74LS04, and the chip that described radiating circuit uses is PT2262.
3. remote household electrical appliance control system as claimed in claim 2 is characterized in that: described radiating circuit wireless connections are some to receive signal that radiating circuit sends and the receiving circuit of controlling the socket power on/off.
4. remote household electrical appliance control system as claimed in claim 3 is characterized in that: the chip that described receiving circuit uses is PT2272.
5. as claim
Described remote household electrical appliance control system is characterized in that: described receiving circuit also comprises some relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200345533U CN201491094U (en) | 2009-09-15 | 2009-09-15 | Remote control system for home appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200345533U CN201491094U (en) | 2009-09-15 | 2009-09-15 | Remote control system for home appliances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201491094U true CN201491094U (en) | 2010-05-26 |
Family
ID=42429958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200345533U Expired - Fee Related CN201491094U (en) | 2009-09-15 | 2009-09-15 | Remote control system for home appliances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201491094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703892A (en) * | 2017-09-12 | 2018-02-16 | 广东美的制冷设备有限公司 | The control method and device of home appliance |
-
2009
- 2009-09-15 CN CN2009200345533U patent/CN201491094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703892A (en) * | 2017-09-12 | 2018-02-16 | 广东美的制冷设备有限公司 | The control method and device of home appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20100915 |