CN2609063Y

CN2609063Y - Infrared far-end inteligent controller

Info

Publication number: CN2609063Y
Application number: CN 03233783
Authority: CN
Inventors: 王波; 朱春雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-31
Filing date: 2003-03-31
Publication date: 2004-03-31
Anticipated expiration: 2013-03-31

Abstract

The utility model relates to an infrared far-end intelligent controller. A main control part is composed of a CPU of a single-chip microcomputer and also comprises an interface circuit, a ringing identification circuit, a voice prompting circuit, an audio identification circuit and a power module, and the part is basically the same as the circuit for controlling far-end equipment of the existing telephone. The controller has the difference that the controller is designed with an infrared transmittance circuit, a circuit used for infrared acceptance and code system identification, a conservator die block and a user control die block, wherein the CPU is connected with the infrared transmittance circuit by an output foot, the output end of the circuit used for infrared acceptance and code system identification is connected with the CPU, and the user control die block is respectively connected with the CPU by a dial switch. The controller can be used as a controlled access by a basic telecommunication network to make users control the equipment in distant places at any time, and the controller has the advantages simpler circuit, strong adaptability, convenient use and installation and perfect function.

Description

Infrared far-end intelligent controller

Technical field

The utility model belongs to field of intelligent control technology, a kind of infrared far-end intelligent controller that utilizes the basic telecommunication network that remote equipment is controlled of specific design.

Technical background

The Based Intelligent Control remote equipment brings many convenience can for production and life, at present the most frequently used in life is the hand-held Infrared remote controller, as TV remote controller, air-conditioning remote control etc., this class telepilot is limited on command range, make the user must suitable limitation also just have been arranged on the space on the time in there and then to the control of electric equipment.

For convenience of live and work, prior art is developed a class remote controlling technology, be to come control apparatus equipment by telephone wire, but its final control is relay switch, enforceable power on/off, and need wiring physically, install inconvenient, particularly at the house of having fitted up, difficulty is bigger.

Other has a class remote controlling technology, control electric equipment as sending specific EMAIL file or other steering orders for the electrical equipment that is connected on the network with IP address by WAP mobile phone or PC, this class control technology needs the operator to possess certain technical merit and skill, and user's face is very narrow.

Also having a kind of similar techniques, is by self-learning function the infrared signal of electric equipment to be learnt with a signal converter, and can launch by the remote control of phone.But, it must give each electric equipment one relative address preface sign indicating number, hardware configuration and control all comparatively complicated (needing two block storages) such as it, and it does not have the voice warning circuit of oneself, can not allow the feedback of the information that obtains in the operation of far-end, only be a kind of unidirectional operation.

By above analysis as seen, the command range space that existing Based Intelligent Control remote equipment technology has is limited, the control structure complexity that has, and bad adaptability, all there are some defectives separately in insufficiency.

Summary of the invention

The defective that the utility model exists at prior art, purpose is to provide a kind of infrared far-end intelligent controller, and control circuit is comparatively simple, has very strong adaptability, and is easy to install and use, perfect in shape and function.

For achieving the above object, the technical solution adopted in the utility model is as follows:

Infrared far-end intelligent controller, it constitutes main control part by singlechip CPU, also include interface circuit, ringing identification circuit, voice warning circuit, audio identification circuit and power module, the circuit of this part and existing phone control remote equipment is basic identical.Different is this controller has also designed infrared transmitter, infrared ray receives and code system identification circuit and reservoir module, user's control module, wherein CPU connects infrared transmitter by output pin, infrared ray receives and is connected CPU with the output of code system identification circuit, and user's control module is linked to each other with CPU respectively by toggle switch.

An input pin of the high speed Sheffer stroke gate of described infrared transmitter links to each other with a certain general input and output pin of CPU, another input pin links to each other with the output pin that the carrier signal of 38kHz produces circuit, its output pin links to each other with the base stage of transistor amplifier, and the emitter of transistor amplifier links to each other with the positive pole of infrared light emitting diode.

Described infrared ray reception links to each other with positive 5V power supply by pull-up resistor with the restituted signal output pin of the infrared receiving terminal of code system identification circuit, also link to each other simultaneously with a certain general input and output pin of CPU, the earth terminal of infrared receiving terminal needs ground connection in addition, and power end links to each other with positive 5V power supply by resistance.

The toggle switch of described line module links to each other with three general input and output pin of CPU respectively.Two I of storer ²The C data line links to each other with certain two the general input and output pin of CPU.

Described voice warning circuit is the interactive voice prompt circuit.

In addition, this controller interface circuit provides the interface of singlechip CPU and outside line, and it links to each other with the signal input part of ringing identification circuit, also links to each other with the input end of the rectification circuit of audio identification circuit.The output signal of ringing identification circuit links to each other with a certain general input and output pin of CPU.8 control pins of voice warning circuit APR9600 chip link to each other with 8 input/output port of CPU respectively.4 data-signal output pins of audio identification MT8870 chip link to each other with 4 universal input and output port of CPU, and the look-at-me output pin of MT8870 links to each other with certain look-at-me input pin of CPU by a not gate.

The employed software of this controller work comprises: ringdown identification and the control of dislodging machine, audio decoder signal extraction, user identity identification, voice suggestion signal controlling, the collection of infra-red code signal, coded signal emission control, storage operation, software watchdog.

The function that each major part of this controller is realized is as follows:

1, the main control part of singlechip CPU formation: carry out main information and handle, receive the peripheral operation instruction and form various control signals, and finish record for various important informations;

2, interface circuit and ringing identification circuit part:

Interface circuit provides the interface of single-chip microcomputer and outside line.Detect comprising ringing-current detection, the control of dislodging machine, busy tone, and interface circuit also to be born the function to the user feedback information of voice prompt.

3. audio identification circuit part:

The audio identification circuit part is mainly discerned (receive the peripheral operation instruction and form various control signals) to double-tone frequency DTMF, and through the decoding of special IC, conversion of signals becomes different code system signals, directly sends main control part to and reads.What use among the design is the double-tone frequency codec chip of telephone wire special use, and not only peripheral circuit is simple, and good reliability.

4. voice warning circuit part:

It deposits corresponding information of voice prompt in advance in speech chip, each section voice messaging is extracted by the control of single-chip microcomputer, and feed back to outside line by interface circuit.Thereby make the operator reach interactive, and can understand for information about immediately the operation of electrical equipment.

5. infrared emission circuit part:

The infrared emission part is sent various different frequencies under the instruction of central primary control part, the infrared signal of different coding, and the system state that will finish after the instruction feeds back to main control part.

6. infrared reception and code system identification circuit part:

Mainly finish infrared ray intelligence learning function, it carries out demodulation with infrared receiving terminal (demodulation of 38kHz carrier frequency) to the infrared ray that has coded signal that infrared facility sent that the user uses, after delivering to CPU, this coded signal is scanned, after going to disturb through software and hardware again, form a complete control character signal, just deposit in the memory in the system.It can initiatively discern frequency and code system that the employed Infrared remote controller of user is sent under user's operation, and it is stored in the master control system in order to the user uses when far-end is controlled.

7, user's control module:

When system initialization, the corresponding control code of infrared facility need be read in the module, so this module be provided with toggle switch in order to aforesaid operations used.In addition,, therefore, be provided with a reverser, judge, thereby adjust the code word that needs when launching by internal system software because the user may be read in control signals such as switching code according to opposite order.

Adopt above-mentioned design, make this controller have following advantage;

1, adaptability is strong: it can be by the self study of software and hardware under the operation of domestic consumer, identifies frequency that the employed various infrared remote controllers of user send and code word and can be with its analog transmissions.Be that it can simulate different manufacturers, different brands, the infrared remote-controlled signal of different types of electric equipment has very strong adaptability.

2, because it has adopted infrared ray on control mode, so it need not at the indoor physical routing that carries out, user friendly installation has also kept indoor attractive in appearance.

3, it is by the path of basic telecommunication network as control, can make the user anywhere or anytime to distant place equipment, as the duty of the air-conditioning of family, TV, micro-wave oven etc. carry out remote inquiry, adjustment, control starts and close, and brings great convenience for people's live and work.

4, it has the interactive voice prompt circuit of oneself, in the time of user-friendly, also can allow the operator understand the duty of electric equipment exactly.Feasible operation has had interactivity, and has guaranteed the reliability of operation.

5, it can be in parallel with existing home telephone, a new phone need not be installed in addition, for the user has saved cost.

6, this controller uses the simplest circuit, the most cheap electronics integrated chip to realize perfect functions, and leaves the many functions that can add, has very strong market outlook.

Description of drawings

Fig. 1 is the functional block diagram of infrared far-end intelligent controller;

Fig. 2 is the circuit theory diagrams of infrared far-end intelligent controller.

Embodiment

Referring to Fig. 1, this infrared far-end intelligent controller is to constitute main control part by singlechip CPU, comprises the essentially identical interface circuit of circuit and ringing identification circuit part, audio identification circuit part, voice warning circuit part and power module with existing phone control remote equipment.The infrared transmitter, infrared ray that also comprises this controller unique design in addition receives and code word identification circuit and reservoir module, user's control module.

The circuit of this controller is referring to Fig. 2, and wherein the central controller CPU of main control part adopts 8 compatible bit CPUs of 51 series to constitute, and also can adopt other universal cpus to finish in addition.Interface circuit is put relay switch and transistor drive circuit is formed by telephone wire crystal head, double-pole are two, and the normally closed pin that the telephone signal line pair is put relay switch by double-pole link to each other with the resistance R 22 of ringing identification circuit.Ringing identification circuit is made of voltage stabilizing diode, the diode envelope detection circuit of 5v, and its output signal links to each other with the 8th pin of CPU by resistance R 28.The audio identification circuit by MT8870 or other can discern the respective chip of dtmf signal and commutation diode, active pull-up circuit constitutes, the telephone signal line links to each other with the diode rectification input pin D6 of audio identification circuit, the anode of D9 by the two pin of often opening of putting relay switch of double-pole; Data-signal output pin the 11st pin to the 14 pin of audio identification MT8870 chip link to each other with the 36th pin to the 39 pin of CPU, and the crus secunda of 74HC04 links to each other with 13 pin of CPU.Voice warning circuit is made of APR9600 or other universal phonetic chips, and the 1st pin to the 6 pin of voice warning circuit APR9600 chip, the 8th pin to the 9 pin link to each other with the 21st pin to the 28 pin of CPU respectively.The 14th pin of APR9600 links to each other with the base stage of emitter follower circuit Q4, feeds back to active pull-up circuit by resistance R 23 then.Infrared radiation receiving circuit mainly is made of general 38kHz infrared receiving terminal, and the code word sampling is by CPU portion's realization within it; The 1st pin of infrared receiving terminal links to each other with positive 5V power supply by pull-up resistor, and simultaneously the 1st pin also links to each other with the 12nd pin of CPU, the 4th pin ground connection of infrared receiving terminal in addition, and the 3rd pin links to each other with positive 5V power supply by resistance.Infrared transmitter is made of 38kHz oscillatory circuit, high speed Sheffer stroke gate, infrared light emitting diode, the 11st pin of the high speed Sheffer stroke gate 74HC00 of infrared transmitter links to each other with the 4th pin of CPU, its the 11st pin links to each other with the base stage of transistor amplifier, and the emitter of transistor amplifier links to each other with the positive pole of infrared light emitting diode.User's control module is made of common toggle switch, and toggle switch links to each other with the 5th pin, the 6th pin, the 10th pin of CPU respectively.Memory module adopts 24C08 or adopts other I ²The storer of C bus form constitutes.

Claims

1, infrared far-end intelligent controller, it constitutes main control part by singlechip CPU, include interface circuit, ringing identification circuit, voice warning circuit, audio identification circuit and power module, it is characterized in that it has also designed infrared transmitter, infrared ray receives and code system identification circuit and user's control module, CPU connects infrared transmitter by output pin, infrared ray receives and is connected CPU with the output of code system identification circuit, and user's control module is linked to each other with CPU respectively by toggle switch.

2, infrared far-end intelligent controller according to claim 1, an input pin that it is characterized in that the high speed Sheffer stroke gate of infrared transmitter links to each other with a certain general input and output pin of CPU, another input pin links to each other with the output pin that the carrier signal of 38kHz produces circuit, its output pin links to each other with the base stage of transistor amplifier, and the emitter of transistor amplifier links to each other with the positive pole of infrared light emitting diode.

3, infrared far-end intelligent controller according to claim 1, it is characterized in that the infrared ray reception links to each other with positive 5V power supply by pull-up resistor with the restituted signal output pin of the infrared receiving terminal of code system identification circuit, also link to each other simultaneously with a certain general input and output pin of CPU, the earth terminal of infrared receiving terminal needs ground connection in addition, and power end links to each other with positive 5V power supply by resistance.

4, infrared far-end intelligent controller according to claim 1 is characterized in that the toggle switch of line module links to each other with three general input and output pin of CPU respectively.

5, infrared far-end intelligent controller according to claim 1 is characterized in that two I of storer ²The C data line links to each other with certain two the general input and output pin of CPU.

6, infrared far-end intelligent controller according to claim 1 is characterized in that voice warning circuit is the interactive voice prompt circuit.