CN204166674U - A kind of long-distance remote control on-off circuit - Google Patents
A kind of long-distance remote control on-off circuit Download PDFInfo
- Publication number
- CN204166674U CN204166674U CN201420540919.5U CN201420540919U CN204166674U CN 204166674 U CN204166674 U CN 204166674U CN 201420540919 U CN201420540919 U CN 201420540919U CN 204166674 U CN204166674 U CN 204166674U
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- circuit
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- decoding unit
- dtmf
- remote control
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- Expired - Fee Related
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Abstract
The utility model provides a kind of long-distance remote control on-off circuit, comprise signal transmission circuit, receiving circuit, circuit for answering and power supply, signal transmission circuit connects receiving circuit, receiving circuit connects circuit for answering, power supply is used for powering to whole circuit, signal transmission circuit comprises dtmf signal, DTMF decoding unit, PT2262 coding unit, 315MHz modulator, power amplifier and coding export, dtmf signal enters DTMF decoding unit, DTMF decoding unit connects PT2262 coding unit, PT2262 coding unit connects 315MHz modulator, 315MHz modulator connects power amplifier, power amplifier connects coding and exports.The utility model is reasonable in design, and remote control distance is far away, has the place of mobile phone signal to realize remote control; Need not, to the independent bracing wire of each gauge tap, can realize controlling being positioned at the electrical equipment receiving mobile phone 50m scope; Circuit is simple, and without detaching mobile phones, do not destroy phone outward appearance, circuit can become multichannel multi-functional control by arbitrary extension.
Description
Technical field
The utility model is specifically related to a kind of long-distance remote control on-off circuit.
Background technology
Along with the develop rapidly of electronic technology, Novel remote-control device continues to bring out, and design concept is also constantly brought forth new ideas, telecontrol engineering is had make rapid progress development, telecontrol engineering has a very wide range of application in national defence, production and construction and daily life.Remote control mode conventional at present mainly contains ultra-sonic remote control, infra-red remote control, wireless remote control etc., and generally common remote control circuit is all just effective in shorter distance, to realize long distance multi-channel multi-functional control, there will be the problem that design cost is too high.
Utility model content
The purpose of this utility model is for solving above-mentioned deficiency, provides a kind of long-distance remote control on-off circuit.
The purpose of this utility model is achieved through the following technical solutions:
A kind of long-distance remote control on-off circuit, comprises signal transmission circuit, receiving circuit, circuit for answering and power supply, and signal transmission circuit connects receiving circuit, and receiving circuit connects circuit for answering, and power supply is used for powering to whole circuit.
The utility model also has some technical characteristics like this:
Described signal transmission circuit comprises dtmf signal, DTMF decoding unit, PT2262 coding unit, 315MHz modulator, power amplifier and coding and exports, dtmf signal enters DTMF decoding unit, DTMF decoding unit connects PT2262 coding unit, PT2262 coding unit connects 315MHz modulator, 315MHz modulator connects power amplifier, and power amplifier connects coding and exports.
Described receiving circuit comprises high-frequency reception unit, amplifier, PT2272 decoding unit and gauge tap, and high-frequency reception unit connects amplifier, and amplifier connects PT2272 decoding unit, PT2272 decoding unit connection control switch.
The utility model has effect useful as follows:
The utility model is reasonable in design, and remote control distance is far away, has the place of mobile phone signal to realize remote control; Need not, to the independent bracing wire of each gauge tap, can realize controlling being positioned at the electrical equipment receiving mobile phone 50m scope; Circuit is simple, and without detaching mobile phones, do not destroy phone outward appearance, circuit can become multichannel multi-functional control by arbitrary extension.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is signal transmission circuit structural drawing of the present utility model;
Fig. 3 is signal transmission circuit figure of the present utility model;
Fig. 4 is receiving circuit structural drawing of the present utility model;
Fig. 5 is receiving circuit figure of the present utility model;
Fig. 6 is circuit for answering figure of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
embodiment 1
A kind of long-distance remote control on-off circuit, comprise signal transmission circuit 1, receiving circuit 2, circuit for answering 3 and power supply 4, signal transmission circuit 1 connects receiving circuit 2, receiving circuit 2 connects circuit for answering 3, power supply 4 is used for powering to whole circuit, described signal transmission circuit 1 comprises dtmf signal 5, DTMF decoding unit 6, PT2262 coding unit 7, 315MHz modulator 8, power amplifier 9 and coding output 10, dtmf signal 5 enters DTMF decoding unit 6, DTMF decoding unit 6 connects PT2262 coding unit 7, PT2262 coding unit 7 connects 315MHz modulator 8, 315MHz modulator 8 connects power amplifier 9, power amplifier 9 connects coding output 10, described receiving circuit 2 comprises high-frequency reception unit 11, amplifier 12, PT2272 decoding unit 13 and gauge tap 14, high-frequency reception unit 11 connects amplifier 12, amplifier 12 connects PT2272 decoding unit 13, PT2272 decoding unit 13 connection control switch 14.
embodiment 2
As shown in Figure 2, dtmf signal is drawn by the earphone receiving mobile phone, when sending phone and being in talking state with reception phone, presses the panel button sending mobile phone, and MC145436 will obtain from reception mobile phone
Demodulate the binary code of corresponding transmission mobile phone key in the dtmf signal obtained and export from the 2nd, 1,14,13 pin, obtain tetrad code D1, D2, D3, D4, then this binary code is added to 10th ~ 13 digital input pins of scrambler PT2262, setting address code and numeric data code from 17 pin Serial output, then via Q1 composition 315MHz modulators modulate after launch.
As shown in Figure 3, the signal received is amplified through U1 the 14th pin DIN being added to demoder PT2272 after shaping by the high frequency receiving circuit be made up of Q2, when PT2262 and PT2272 geocoding is identical, just export the binary code identical with PT2262 data terminal by D0 ~ D3 pin of PT2272, finally draw drive singal by the digital output end of PT2272, drive the control of actuating of relay realization to circuit through Q1.The every road of D0D3 pin of PT2272 can control a way switch, also can control multi-way switch after decoding circuit decoding.
When receiving cell-phone bell and ringing, after ringing tone is picked up by microphone BM1, drive relay J 3 action through Q3 after amplifying shaping by U3, realize imitate pick machine function.
Claims (2)
1. a long-distance remote control on-off circuit, comprises signal transmission circuit, receiving circuit, circuit for answering and power supply, and described signal transmission circuit connects receiving circuit, and receiving circuit connects circuit for answering, and power supply is used for powering to whole circuit; It is characterized in that: described signal transmission circuit comprises dtmf signal, DTMF decoding unit, PT2262 coding unit, 315MHz modulator, power amplifier and coding and exports, dtmf signal enters DTMF decoding unit, DTMF decoding unit connects PT2262 coding unit, PT2262 coding unit connects 315MHz modulator, 315MHz modulator connects power amplifier, and power amplifier connects coding and exports.
2. a kind of long-distance remote control on-off circuit as claimed in claim 1, it is characterized in that: described receiving circuit comprises high-frequency reception unit, amplifier, PT2272 decoding unit and gauge tap, high-frequency reception unit connects amplifier, amplifier connects PT2272 decoding unit, PT2272 decoding unit connection control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540919.5U CN204166674U (en) | 2014-09-21 | 2014-09-21 | A kind of long-distance remote control on-off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540919.5U CN204166674U (en) | 2014-09-21 | 2014-09-21 | A kind of long-distance remote control on-off circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166674U true CN204166674U (en) | 2015-02-18 |
Family
ID=52540340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420540919.5U Expired - Fee Related CN204166674U (en) | 2014-09-21 | 2014-09-21 | A kind of long-distance remote control on-off circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202343A (en) * | 2015-10-30 | 2015-12-30 | 攀钢集团矿业有限公司 | Remote-control receiving equipment, remote equipment and control system for lubricating oil pump |
-
2014
- 2014-09-21 CN CN201420540919.5U patent/CN204166674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202343A (en) * | 2015-10-30 | 2015-12-30 | 攀钢集团矿业有限公司 | Remote-control receiving equipment, remote equipment and control system for lubricating oil pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20170921 |