CN103856649A - Household appliance remote control system based on telephone - Google Patents
Household appliance remote control system based on telephone Download PDFInfo
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- CN103856649A CN103856649A CN201210496385.6A CN201210496385A CN103856649A CN 103856649 A CN103856649 A CN 103856649A CN 201210496385 A CN201210496385 A CN 201210496385A CN 103856649 A CN103856649 A CN 103856649A
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Abstract
The invention discloses a household appliance remote control system based on a telephone. The system is connected in parallel with a telephone line, and includes a password verification module which is used to verify a password remotely inputted by a user, an automatic answering module which is used to output speech information after the password passes verification, a DTMF decoding module which is used to decode a DTMF signal transmitted by a telephone key after the user hears the speech information, a central control unit which is used to receive a signal outputted by the DTMF decoding module, and a power module; the automatic answering module and one end of the telephone line are connected; the DTMF decoding module and the other end of the telephone line are connected; an output end of the central control unit is connected with a display module and the automatic answering module; an output end of the central control unit is connected with multiple relay driving modules; and the multiple relay driving modules are connected with a relay for controlling an on-off of the household appliance. The household appliance remote control system based on the telephone is reasonable in structural design, great in fastness and agility, good in stability, great in timeliness, good in anti-interference, and easy in use and popularization.
Description
Technical field
The present invention relates to a kind of home appliance remote control system, particularly relate to a kind of home appliance remote control system based on phone.
Background technology
Along with China's information cause continue, fast-developing, the communications infrastructure becomes better and approaching perfection day by day, landline telephone, mobile phone user's sum approach 200,000,000.Utilize existing personal communications terminal, realize the telephone remote control system based on PLMN (continental rise mobile radio communication) and PSTN (public switched telephone network), both can save investment, be convenient to again promote.
Modern telephone network is made up of jointly switch and telephone transmission line, and its performance has had very large progress, and reliability is very high.Telecontrol engineering is the control of by certain means, controlled object being implemented certain distance, and conventional mode has wireless remotecontrol, wired remote control, infrared ray and ultra-sonic remote control etc.Wireless remotecontrol is to utilize radio signal to implement far distance controlled to controlled object.Wireless remotecontrol inevitably must take certain radio frequency resource, causes electromagnetic pollution; Conventional wired remote control need carry out special wiring, has increased input; Infrared ray, ultra-sonic remote control are limit by distance.In existing remote control mode, also have carrier communication control device and the remote control mode based on radio call.Carrier system is by power line transmission of information, and which can only be confined in same electric substation, same transformer administrative area.Therefore also there is distance problem, be of limited application.Remote control mode based on radio call has utilized existing paging frequency resource, does not need the frequency spectrum outside occupying volume.And along with the national network of paging network, the distance of its remote control is substantially unrestricted.But the prosecutor action that is subject to of which lags behind the operation of controlling party, does not possess real-time, and does not possess very high reliability.Telephone remote control system (ITRCS), with part of standards programme-controlled exchange signaling (the DTMF touch-tone signal of CCITT and China's standard joint provisions, bell signal, ringing tone signal etc.) as system control command, using PLMN and PSTN communication network as transmission medium, make user utilize landline telephone or mobile phone to send DTMF touch-tone signal at far-end, realize the possibility of the Long-distance Control to near-end electric equipment.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, the home appliance remote control system based on phone is provided.This telephone remote control appliance system reasonable in design, quick fast, good stability, real-time is high, and anti-interference is good, is convenient to promote the use of.
For achieving the above object, the technical solution used in the present invention is: based on the home appliance remote control system of phone, in parallel with telephone wire, it is characterized in that: comprise the password authentication module for user's remote input password is verified, be used in password authentification by the automatic-answering back device module of rear output voice messaging, for user is being heard to DTMF decoder module that the dtmf signal that sends by telephone key-press after described voice messaging is decoded and for receiving the central control unit of DTMF decoder module output signal and the power module for the each power unit power supply of system, described automatic-answering back device module and telephone wire one end join, described DTMF decoder module and the telephone wire other end join, the output of described automatic-answering back device module and central control unit joins, the input of described DTMF decoder module and central control unit joins, described central control unit and password authentication module are joined, the output of described central control unit is connected to display module for showing appliance working quantity and for exporting the automatic-answering back device module of voice messaging, the output of described central control unit is connected to multiple relay driving module, multiple described relay driving module are all connected to the relay that household electrical appliances is carried out to switch control, multiple described relay driving module all adopt optical coupling bidirectional triode thyristor driver, described central control unit adopts AT89C51 single-chip microcomputer.
The above-mentioned home appliance remote control system based on phone, is characterized in that: it is MT8870 tone decoder that described DTMF decoder module adopts phone-specific dual-audio decoding chip.
The above-mentioned home appliance remote control system based on phone, is characterized in that: it is MT8870 tone decoder that described automatic-answering back device module adopts phone-specific dual-audio decoding chip.
The above-mentioned home appliance remote control system based on phone, is characterized in that: described display module adopts common cathode seven-segment display digital tube.
The present invention compared with prior art has the following advantages:
1, reasonable in design: the present invention includes power module, DTMF decoder module, automatic-answering back device module and display module etc., and most integrated circuit, structural design advantages of simple of adopting.
2, good stability: patent of the present invention adopts phone control household electrical appliances not to be subject to the restriction of distance and signal power.
3, safe and reliable: patent of the present invention is introduced password authentication module makes user use safety relieved.
4, anti-interference is good: the reproducing speech that automatic-answering back device module of the present invention can clear and natural, avoid distortion.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-power module; 2-DTMF decoder module; 3-automatic-answering back device module;
4-display module; 5-central control unit; 6-password authentication module;
7-relay driving module; 8-relay.
Embodiment
A kind of home appliance remote control system based on phone as shown in Figure 1, in parallel with telephone wire, comprise the password authentication module 6 for user's remote input password is verified, be used in password authentification by the automatic-answering back device module 3 of rear output voice messaging, for user is being heard to DTMF decoder module 2 that the dtmf signal that sends by telephone key-press after described voice messaging is decoded and for receiving the central control unit 5 of DTMF decoder module 2 output signals and the power module 1 for the each power unit power supply of system, described automatic-answering back device module 3 is joined with telephone wire one end, described DTMF decoder module 2 joins with the telephone wire other end, described automatic-answering back device module 3 is joined with the output of central control unit 5, described DTMF decoder module 2 joins with the input of central control unit 5, described central control unit 5 joins with password authentication module 6, the output of described central control unit 5 is connected to display module 4 for showing appliance working quantity and for exporting the automatic-answering back device module 3 of voice messaging, the output of described central control unit 5 is connected to multiple relay driving module 7, multiple described relay driving module 7 are all connected to the relay 8 that household electrical appliances is carried out to switch control, multiple described relay driving module 7 all adopt optical coupling bidirectional triode thyristor driver, described central control unit 5 adopts AT89C51 single-chip microcomputer.
In the present embodiment, it is MT8870 tone decoder that described DTMF decoder module 2 adopts phone-specific dual-audio decoding chip.It is MT8870 tone decoder that described automatic-answering back device module 3 adopts phone-specific dual-audio decoding chip.Described display module 4 adopts common cathode seven-segment display digital tube.
In the present embodiment, the dtmf signal that described DTMF decoder module 2 sends by telephone key-press, through coupling capacitance after straight, filtering, receive and carry out hardware decoding by MT8870, the tetrad data of output are directly connected with P1.0～P1.3 mouth of AT89C51 single-chip microcomputer, when MT8870 receives effective dtmf signal and solves correct BCD data, can make STD end set high level, notice CPU takes data away.CPU is from P1 mouth reading data, data is stored in to inner R7 register cell after removing Gao Siwei, and the numerical value reading in is judged, thereby obtain Long-distance Control person's input command; The effect of described automatic-answering back device module 3 is, user inputs required voice messaging by microphone, the voice messaging of input deposits in the flash memory of speech chip ISD4002 after by capacitive coupling, after having phone incoming call and remote telephone controller to connect, according to software set, sound circuit is carried out to addressing playback, this loopback is exported from AUD OUT mouth to user's voice messaging, then after capacitive coupling, then after audio-frequency power amplifier LM386 amplifies, be transported on telephone line.For example, when system is received the encrypted message " 1234 " that user sends, if password is correct, addressing loopback voice message " password is correct ", otherwise, addressing loopback voice message " password mistake ".When playback, by Single-chip Controlling, the address of the required voice messaging of user is found in single-chip microcomputer addressing, then controls speech chip ISD4002 these information exchanges are crossed to telephone wire loopback to user, and prompting user operates accordingly.
The course of work of the present invention is: this product is parallel to the two ends of telephone set, and user is connected in parallel on the holding wire of this device at the two ends of telephone wire, and the line that plugs in, turns on the power switch, and this product automatically resets, and just can normally work.User puts through the telephone number of outside line that native system connects by the telephone set in strange land, phone automatic off-hook, loopback prompting input encrypted message, user enters password detection after inputting password, after input is correct, select by control apparatus (if input continuously 3 mistakes of password, system is by automatic shutdown), then input opens or closes and carries out remote control electrical appliance, display circuit 4 shows that corresponding information (shows that 1 indicates an electrical work, show that 2 indicate two electrical works, show that 3 indicate three electrical works, show that 0 represents not have electrical work), and the corresponding indicator light of appliance working is bright, after completing, return.Meanwhile, central control unit 5 sends control signal starts automatic-answering back device module 3, sends the information of voice prompt loopback recording in advance to user.User just can operate by button after hearing voice message, and the signal that user key-press produces, after 2 decodings of dual tone multi-frequency dtmf (Dual ToneMulti-Frequency) decoder module, is sent into central control unit 5.Central control unit 5 will move (connecting extension set or switch household electrical appliances) by relay driving module 7 accordingly according to the result of DTMF decoding.If user controls complete, can press " # " key and allow device automatic hand-up, finish " call ", and the electrical equipment of having opened will keep the state of its unlatching, until " call " control next time makes it close or manually close.
The present invention is take AT89C51 single-chip microcomputer as core controller, utilize TDMF signal to carry out transmission and the detection of data, point out according to call voice, can momentarily control the setting of the switch of various household electrical appliances, utilize this home appliance remote control system, user can by any dual tone phone at any time switch, check the service condition of family electrical equipment, and in the time that user will come off duty, phone be can also pass through, air-conditioning, electric rice cooker etc. opened in advance.The remote controlled three road household electrical appliances of this product, can realize comfortable, safety, the convenience, energy-conservation of life staying idle at home, therefore have broad application prospects.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation of above embodiment being done according to the technology of the present invention essence, all still belongs in the protection range of technical solution of the present invention.
Claims (4)
1. the home appliance remote control system based on phone, in parallel with telephone wire, it is characterized in that: comprise the password authentication module (6) for user's remote input password is verified, be used in password authentification by the automatic-answering back device module (3) of rear output voice messaging, for user is being heard to DTMF decoder module (2) that the dtmf signal that sends by telephone key-press after described voice messaging is decoded and for receiving the central control unit (5) of DTMF decoder module (2) output signal and the power module (1) for the each power unit power supply of system, described automatic-answering back device module (3) is joined with telephone wire one end, described DTMF decoder module (2) joins with the telephone wire other end, described automatic-answering back device module (3) is joined with the output of central control unit (5), described DTMF decoder module (2) joins with the input of central control unit (5), described central control unit (5) joins with password authentication module (6), the output of described central control unit (5) is connected to display module (4) for showing appliance working quantity and for exporting the automatic-answering back device module (3) of voice messaging, the output of described central control unit (5) is connected to multiple relay driving module (7), multiple described relay driving module (7) are all connected to the relay (8) that household electrical appliances is carried out to switch control, multiple described relay driving module (7) all adopt optical coupling bidirectional triode thyristor driver, described central control unit (5) adopts AT89C51 single-chip microcomputer.
2. the home appliance remote control system based on phone according to claim 1, is characterized in that: it is MT8870 tone decoder that described DTMF decoder module (2) adopts phone-specific dual-audio decoding chip.
3. the home appliance remote control system based on phone according to claim 1, is characterized in that: it is MT8870 tone decoder that described automatic-answering back device module (3) adopts phone-specific dual-audio decoding chip.
4. the home appliance remote control system based on phone according to claim 1, is characterized in that: described display module (4) adopts common cathode seven-segment display digital tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210496385.6A CN103856649A (en) | 2012-11-28 | 2012-11-28 | Household appliance remote control system based on telephone |
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| CN201210496385.6A CN103856649A (en) | 2012-11-28 | 2012-11-28 | Household appliance remote control system based on telephone |
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| CN103856649A true CN103856649A (en) | 2014-06-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281077A (en) * | 2014-09-23 | 2015-01-14 | 淘金信息科技（苏州）有限公司 | Household appliance remotely-monitoring system |
| CN104488669A (en) * | 2014-12-12 | 2015-04-08 | 广东省工业贸易职业技术学校 | Telephone remote control flower watering device and telephone remote control flower watering method |
| CN106793405A (en) * | 2016-12-23 | 2017-05-31 | 浙江大学 | A kind of sound control illuminating system based on dtmf signal |
| CN109819130A (en) * | 2017-11-21 | 2019-05-28 | 长沙乐昌林电子科技有限公司 | A kind of intelligent Remote Control System based on Holtek-MCU |
-
2012
- 2012-11-28 CN CN201210496385.6A patent/CN103856649A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281077A (en) * | 2014-09-23 | 2015-01-14 | 淘金信息科技（苏州）有限公司 | Household appliance remotely-monitoring system |
| CN104488669A (en) * | 2014-12-12 | 2015-04-08 | 广东省工业贸易职业技术学校 | Telephone remote control flower watering device and telephone remote control flower watering method |
| CN106793405A (en) * | 2016-12-23 | 2017-05-31 | 浙江大学 | A kind of sound control illuminating system based on dtmf signal |
| CN106793405B (en) * | 2016-12-23 | 2019-04-02 | 浙江大学 | A kind of sound control illuminating system based on dtmf signal |
| CN109819130A (en) * | 2017-11-21 | 2019-05-28 | 长沙乐昌林电子科技有限公司 | A kind of intelligent Remote Control System based on Holtek-MCU |
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Application publication date: 20140611 |