CN106710194A - Peer-to-peer infrared communication device - Google Patents
Peer-to-peer infrared communication device Download PDFInfo
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- CN106710194A CN106710194A CN201510408139.4A CN201510408139A CN106710194A CN 106710194 A CN106710194 A CN 106710194A CN 201510408139 A CN201510408139 A CN 201510408139A CN 106710194 A CN106710194 A CN 106710194A
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Abstract
The invention relates to a peer-to-peer infrared communication device, which is stable in system and well in running, and enables reading work of an electricity meter to be more convenient and efficient. The peer-to-peer infrared communication device comprises an infrared transmitting circuit, an infrared signal gathering device, an infrared receiving circuit, a carrier modem and a carrier modulator. The peer-to-peer infrared communication device is characterized in that an infrared transmitting part and an infrared receiving part adopt an integral structure; the carrier modulator is connected with the infrared transmitting circuit; the infrared transmitting circuit is divided into three paths which are connected with the infrared signal gathering device; an infrared gather signal generated by the infrared signal gathering device is received by the infrared receiving circuit; the infrared receiving circuit is connected with the carrier modem; one serial port TXD (Transmit Data) end is also connected to the front end of the infrared transmitting circuit; the other serial port TXD end is connected to the output end of the carrier modem.
Description
Technical field
The invention belongs to intelligent electric energy meter technical field, more particularly to a kind of point-to-point infrared communication device.
Background technology
When carrying out intelligent meter work or detection, usual tens intelligent electric energy meters（Hereinafter referred to as ammeter）On an ammeter wall, installation interval is closer to the distance.Traditional handheld terminal（Hereinafter referred to as slap machine）When infrared communication is carried out with ammeter, because the angle of infrared signal transmitting is big, the wide ranges of covering.If communicated using broadcasting command and ammeter, then many ammeters can cause just to can guarantee that communication is normally carried out with ammeter communication failure, the mailing address that must be thus input into ammeter in response to palm machine simultaneously.Each multifunction electric meter has respective geocoding, and traditional mode must first find the ammeter for needing communication, then find out its mailing address, in artificial reading address and manual mode input palm machine, so operates not only bothersome but also time-consuming.
Traditional infrared Principle of Communication：Infrared wave-length coverage is very wide, in 700nm~2mm range above；The infrared communication reliability of usual short wavelength is higher, and electric energy meter consensus standard DL/T645-2007 specifies to carry out infrared communication using the infrared ray of 900~1000nm wavelength；Communication is carried out using serial ports half-duplex mode, and baud rate selects 1200 or 2400bps；It is the infrared transmitting tube of 940nm that traditional infrared design uses wavelength, in order to improve antijamming capability, the signal that infrared transmitting tube sends uses the carrier signal modulation of 38KHz, receiving terminal to be demodulated by 38KHz carrier waves after receiving infrared signal, restores serial ports electric signal；Because the infrared emission range of signal that receiving terminal can be received is relatively wide, when the angle of infrared emission exceedes ± 17 °, such as mailing address is read according to broadcasting command, then multiple ammeters can all be answered and interfering with each other causes the communication cannot to be normally carried out, so point-to-point infrared communication also cannot be just realized, as shown in Figure 1.
The content of the invention
The present invention provides a kind of point-to-point infrared communication device aiming at the cumbersome and time consuming situation for being communicated with ammeter using broadcasting command at present；Present system stabilization, operational excellence, make to copy and accept ammeter work more convenient, more efficient.
To realize above-mentioned purpose of the invention, the present invention is adopted the following technical scheme that.
A kind of point-to-point infrared communication device of the present invention, including infrared transmitting circuit, infrared signal aggregation apparatus, infrared receiving circuit, carrier modem, carrier modulator；Its structural feature is：The infrared emission portion and infrared receiver portion use integrative-structure, the carrier modulator is connected with infrared transmitting circuit, three tunnels of the infrared transmitting circuit point are connected with infrared signal aggregation apparatus, produced infrared aggregation signal by infrared receiving circuit reception, the infrared receiving circuit is connected with carrier modem；The front end of the infrared transmitting circuit is also associated with serial ports TXD ends, and the output end of the carrier modem is connected with serial ports TXD ends.
Used as a preferred embodiment of the present invention, the infrared transmitting circuit includes capacitor C1, C2, Y1, resistance R1, R2, R3, R4, R5, R6, regulating resistor R7, U1 unit, triode Q1, Q2, light emitting diode D1；The U1 units include NC ports, A ports, GND ports, VCC ports, the non-ports of Y；The capacitor C1, one end common ground of C2, the other end of the capacitor C1 respectively with Y1, resistance R2, A ports are connected, the other end of the capacitor C2 respectively with Y1, resistance R2, the non-ports of Y, one end of resistance R3 is connected, the other end of the resistance R3 and one end of resistance R6, one end of R5, the collector terminal of triode Q1 is connected, the base terminal of triode Q1 is connected with resistance R1, R1 is connected with serial ports TXD ends, R5 is in parallel with triode Q1, the other end of resistance R6 is connected with the base terminal of triode Q2, the emitter terminal of triode Q2 is connected with regulating resistor R7, the collector terminal of triode Q2 is connected with the cathode terminal of light emitting diode D1.
Used as another preferred scheme of the invention, the infrared receiving circuit includes capacitor C, resistance R, serial ports RXD ends, U2 units, and the U2 units include GND ports, VCC ports, OUT terminal mouthful；The two ends of the capacitor C are connected with the VCC ends of U2 units, GND ends, and one end of the capacitor C is connected with one end of resistance R, and the other end of resistance R is connected with serial ports RXD ends, and the OUT terminal of the U2 units is connected with serial ports RXD ends.
The beneficial effects of the invention are as follows.
A kind of point-to-point infrared communication device of the present invention, point-to-point infrared communications set is that infrared aggregation technique is incorporated into electric power infrared communication, and by the small smooth region on the Voice segment of infrared light to communication target（About 20~30cm2Scope）.So that palm machine and ammeter need not be manually entered when communicating or select to specify the mailing address can just check meter without being influenceed by other ammeters, system stabilization, operational excellence, make to copy and accept ammeter work be more convenient, it is more efficient.And the device is used by the examination of relevant departments and in national grid some electrical power company, is received good effect and is progressively increased range of application.
Brief description of the drawings
Fig. 1 is traditional infrared Principle of Communication structured flowchart.
Fig. 2 is a kind of theory structure block diagram of point-to-point infrared communication device of the present invention.
Fig. 3 is a kind of infrared transmitting circuit connection figure of point-to-point infrared communication device of the present invention.
Fig. 4 is that a kind of point-to-point the infrared of infrared communication device of the present invention receives circuit connection diagram.
Specific embodiment
As shown in Fig. 2 being a kind of theory structure block diagram of point-to-point infrared communication device of the present invention.In figure, including infrared transmitting circuit, infrared signal aggregation apparatus, infrared receiving circuit, carrier modem, carrier modulator；Its structural feature is：The infrared emission portion and infrared receiver portion use integrative-structure, the carrier modulator is connected with infrared transmitting circuit, three tunnels of the infrared transmitting circuit point are connected with infrared signal aggregation apparatus, produced infrared aggregation signal by infrared receiving circuit reception, the infrared receiving circuit is connected with carrier modem；The front end of the infrared transmitting circuit is also associated with serial ports TXD ends, and the output end of the carrier modem is connected with serial ports TXD ends.
As shown in figure 3, being a kind of infrared transmitting circuit connection figure of point-to-point infrared communication device of the present invention.The infrared transmitting circuit includes capacitor C1, C2, Y1, resistance R1, R2, R3, R4, R5, R6, regulating resistor R7, U1 unit, triode Q1, Q2, light emitting diode D1；The U1 units include NC ports, A ports, GND ports, VCC ports, the non-ports of Y；The capacitor C1, one end common ground of C2, the other end of the capacitor C1 respectively with Y1, resistance R2, A ports are connected, the other end of the capacitor C2 respectively with Y1, resistance R2, the non-ports of Y, one end of resistance R3 is connected, the other end of the resistance R3 and one end of resistance R6, one end of R5, the collector terminal of triode Q1 is connected, the base terminal of triode Q1 is connected with resistance R1, R1 is connected with serial ports TXD ends, R5 is in parallel with triode Q1, the other end of resistance R6 is connected with the base terminal of triode Q2, the emitter terminal of triode Q2 is connected with regulating resistor R7, the collector terminal of triode Q2 is connected with the cathode terminal of light emitting diode D1.
As shown in figure 4, for a kind of point-to-point the infrared of infrared communication device of the present invention receives circuit connection diagram.It is seen that the infrared receiving circuit includes capacitor C, resistance R, serial ports RXD ends, U2 units, the U2 units include GND ports, VCC ports, OUT terminal mouthful；The two ends of the capacitor C are connected with the VCC ends of U2 units, GND ends, and one end of the capacitor C is connected with one end of resistance R, and the other end of resistance R is connected with serial ports RXD ends, and the OUT terminal of the U2 units is connected with serial ports RXD ends.
It is appreciated that, above with respect to specific descriptions of the invention, it is merely to illustrate the present invention and is not limited to the technical scheme described by the embodiment of the present invention, it will be understood by those within the art that, still the present invention can be modified or equivalent, to reach identical technique effect；As long as satisfaction uses needs, all within protection scope of the present invention.
Claims (3)
1. a kind of point-to-point infrared communication device, including including infrared transmitting circuit, infrared signal aggregation apparatus, infrared receiving circuit, carrier modem, carrier modulator；It is characterized in that：The infrared emission portion and infrared receiver portion use integrative-structure, the carrier modulator is connected with infrared transmitting circuit, three tunnels of the infrared transmitting circuit point are connected with infrared signal aggregation apparatus, produced infrared aggregation signal by infrared receiving circuit reception, the infrared receiving circuit is connected with carrier modem；The front end of the infrared transmitting circuit is also associated with serial ports TXD ends, and the output end of the carrier modem is connected with serial ports TXD ends.
2. a kind of point-to-point infrared communication device according to claim 1, it is characterised in that：The infrared transmitting circuit includes capacitor C1, C2, Y1, resistance R1, R2, R3, R4, R5, R6, regulating resistor R7, U1 unit, triode Q1, Q2, light emitting diode D1；The U1 units include NC ports, A ports, GND ports, VCC ports, the non-ports of Y；The capacitor C1, one end common ground of C2, the other end of the capacitor C1 respectively with Y1, resistance R2, A ports are connected, the other end of the capacitor C2 respectively with Y1, resistance R2, the non-ports of Y, one end of resistance R3 is connected, the other end of the resistance R3 and one end of resistance R6, one end of R5, the collector terminal of triode Q1 is connected, the base terminal of triode Q1 is connected with resistance R1, R1 is connected with serial ports TXD ends, R5 is in parallel with triode Q1, the other end of resistance R6 is connected with the base terminal of triode Q2, the emitter terminal of triode Q2 is connected with regulating resistor R7, the collector terminal of triode Q2 is connected with the cathode terminal of light emitting diode D1.
3. a kind of point-to-point infrared communication device according to claim 1, it is characterised in that：The infrared receiving circuit includes capacitor C, resistance R, serial ports RXD ends, U2 units, and the U2 units include GND ports, VCC ports, OUT terminal mouthful；The two ends of the capacitor C are connected with the VCC ends of U2 units, GND ends, and one end of the capacitor C is connected with one end of resistance R, and the other end of resistance R is connected with serial ports RXD ends, and the OUT terminal of the U2 units is connected with serial ports RXD ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408139.4A CN106710194A (en) | 2015-07-14 | 2015-07-14 | Peer-to-peer infrared communication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408139.4A CN106710194A (en) | 2015-07-14 | 2015-07-14 | Peer-to-peer infrared communication device |
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| Publication Number | Publication Date |
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| CN106710194A true CN106710194A (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510408139.4A Pending CN106710194A (en) | 2015-07-14 | 2015-07-14 | Peer-to-peer infrared communication device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221150A (en) * | 2017-07-24 | 2017-09-29 | 南京新联电能云服务有限公司 | Long range infrared communication module for electric energy efficiency monitoring system |
| CN112216095A (en) * | 2020-11-05 | 2021-01-12 | 成都市三宇仪表科技发展有限公司 | High-speed infrared communication system and method for Internet of things water meter |
-
2015
- 2015-07-14 CN CN201510408139.4A patent/CN106710194A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221150A (en) * | 2017-07-24 | 2017-09-29 | 南京新联电能云服务有限公司 | Long range infrared communication module for electric energy efficiency monitoring system |
| CN112216095A (en) * | 2020-11-05 | 2021-01-12 | 成都市三宇仪表科技发展有限公司 | High-speed infrared communication system and method for Internet of things water meter |
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Application publication date: 20170524 |