CN2281616Y - Infrared signal switching cordless telephone and infrared signal - Google Patents
Infrared signal switching cordless telephone and infrared signal Download PDFInfo
- Publication number
- CN2281616Y CN2281616Y CN97207635U CN97207635U CN2281616Y CN 2281616 Y CN2281616 Y CN 2281616Y CN 97207635 U CN97207635 U CN 97207635U CN 97207635 U CN97207635 U CN 97207635U CN 2281616 Y CN2281616 Y CN 2281616Y
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- infrared ray
- input
- control system
- digital signal
- chip computer
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Abstract
The utility model introduces an infrared signal switching cordless telephone and an infrared signal. The utility model is composed of a cordless transceiver, an SCM control system, a digital signal commutator, an infrared decoding receiver, an infrared decoding transmitter, an electrically alterable memory, a photo cell, an accumulator cell, a power source converter, a digital signal modulating demodulator, etc. When the utility model is used, the automatic switchover of the operation state and the communication frequency point can be realized within a small range. The utility model has the advantages of simple structure and convenient use.
Description
The utility model is that a kind of infrared ray beacon switches radiophone and infrared ray beacon, is applicable to moving communicating field.
In existing mobile communication networking, all adopt artificial conversion regime or electric field strength mensuration mode to realize the operating state of radiophone and the switching of communication frequency point; In aforementioned manner, can not realize in a very little scope that the operating state of radiophone and the fixed point of communication frequency point automatically switch.
In view of the foregoing, the purpose of this utility model is the infrared ray beacon switching radiophone and the infrared ray beacon of the fixed point automatic switchover of a kind of operating state that can realize radiophone in a very little scope of design and communication frequency point.
The utility model is that a kind of infrared ray beacon of being made up of radio set, antenna, infra-red code reflector etc. switches radiophone and infrared ray beacon, it is characterized in that the infrared ray beacon switches radiophone a single-chip computer control system is arranged; A digital signal adapter; An infra-red code reflector; A decoding infrared ray receiver; An electrically alterable storage; One group of input and output contact of single-chip computer control system is connected respectively with the microcomputer input and output contact of radio set; Another group input and output contact of single-chip computer control system is connected respectively with the input and output contact of electrically alterable storage; One group of output contact of single-chip computer control system is connected respectively with the operating state control contact of digital signal adapter; The transit node of digital signal adapter is connected respectively with the coding control line of infra-red code reflector; One group of input contact of single-chip computer control system is connected respectively with the decoded signal output contact of decoding infrared ray receiver; The infrared ray beacon has a single-chip computer control system; A digital signal adapter; A decoding infrared ray receiver; An electrically alterable storage; One group of photocell; One group storage battery; A power supply changeover device; A digital signal modem; One group of input and output contact of single-chip computer control system is connected respectively with the digital signal input/output terminal of digital signal modulator-demodulator; Another group input and output contact of single-chip computer control system is connected respectively with the input and output contact of electrically alterable storage; One group of output contact of single-chip computer control system is connected respectively with the operating state control contact of digital signal adapter; The transit node of digital signal adapter is connected respectively with the coding control line of infra-red code reflector; One group of input contact of single-chip computer control system is connected respectively with the decoded signal output contact of decoding infrared ray receiver; Photronic current output terminal is connected with the input of power supply changeover device; The output of power supply changeover device is connected with storage battery.
Electric functional-block diagram of the present utility model as shown in Figure 1, wherein:
The infrared ray beacon switches radiophone and includes:
(A) be radio set, T is an antenna; (B) be single-chip computer control system; (C) be the digital signal adapter; (D) be the infra-red code reflector; (E) be the decoding infrared ray receiver; (F) be electrically alterable storage.
The infrared ray beacon includes:
(G) be the decoding infrared ray receiver; (H) be single-chip computer control system; (I) be power supply changeover device and storage battery; E
1Be photocell; (J) be the digital signal adapter; (K) be the infra-red code reflector; (L) be the digital signal modulator-demodulator; L
0Be outer line end; (M) be electrically alterable storage.
Operation principle of the present utility model is described below:
During use, the infrared ray beacon is arranged on the place that to switch operating state or operating frequency point; When this infrared ray beacon switches radiophone through this place, can carry out information exchange with the infrared ray beacon at this place.After the decoding infrared ray receiver of infrared ray beacon receives the infrared signal of being launched by infrared ray beacon switching radiophone, the decoding infrared ray receiver is with this infrared signal decoding and be transported to single-chip computer control system, after single-chip computer control system is differentiated this decoded signal, set according to instruction, the output control signal corresponding is to the digital signal adapter, startup digital signal adapter is made corresponding contact and is opened or closed, different contact switch assembled state is input to the coding control line of infra-red code reflector, launch with infrared mode after making the infra-red code reflector produce respective coding signal and modulation, after the decoding infrared ray receiver of infrared ray beacon switching radiophone receives this infrared signal, the decoding infrared ray receiver is with this infrared signal decoding and be transported to single-chip computer control system, after single-chip computer control system is differentiated this decoded signal, set according to instruction, or repeat above-mentioned information exchange with infrared mode, or control command is sent to the microcomputer of radio set, the collaborative control corresponding that produces is instructed, and realizes that the operating state of radiophone and the fixed point of communication frequency point automatically switch.Electrically alterable storage can be the infrared ray beacon and switches radiophone and infrared ray beacon and preserve some and can rewrite instruction and data.Data in the single-chip computer control system of infrared ray beacon can be input to the modulation signal input of digital signal modulator-demodulator, by the digital signal modulator-demodulator this digital signal is modulated to the modulation signal that is fit to the outside line transmission, receives for far-end control centre and handle; Otherwise, far-end control centre also can send the modulation signal that has instruction here by the infrared ray beacon that outer alignment is connected on this circuit, the infrared ray beacon, is differentiated and is handled by single-chip computer control system with the modulation signal demodulation of outside line input and be input to single-chip computer control system by the digital signal modulator-demodulator.The power supply of this infrared ray beacon is provided by photocell.
Can find out by the above-mentioned working method and the course of work, when infrared ray beacon switching radiophone process is provided with infrared ray beacon place, can carry out information exchange with the infrared ray beacon at this place, and carry out corresponding work state and operating frequency switching according to instruction and software setting; Also can carry out the wired telemetry remote control to the infrared ray beacon; Adopt photocell to solve the power supply supply for the infrared ray beacon.
Accompanying drawing is embodiment of the present utility model.Wherein: Fig. 1 is a former existing block diagram of the present utility model.Fig. 2 is the circuit diagram that infrared ray beacon of the present utility model switches radiophone.Fig. 3 is the circuit diagram that infrared ray beacon of the present utility model switches radiophone.Fig. 4 is the circuit diagram of infrared ray beacon of the present utility model.
Details are as follows in the utility model enforcement:
As shown in Figure 2, the radio set for infrared ray beacon switching radiophone of the present utility model also can adopt existing generic radio transceiver.Wherein:
Radiating circuit: by BG
4, quartz crystal SJT
1-4, variable capacitance diode D
2, voltage stabilizing didoe D
1, resistance R
9-15, capacitor C
13-17, inductance L
7, analog switching ic IC
1(MAX309) form one and can change direct frequency modulation quartz crystal oscillator circuit frequently by scm software; By triode BG
2, BG
3, resistance R
2-8, capacitor C
6-11, inductance L
5-6, form two doublers; By triode BG
1, resistance R
1, capacitor C
1-5, inductance L
1-4, form an arrowband High Amplifier Circuit; More than at different levelsly form a modulating emission circuit by capacitive coupling, and will be by integrated circuit (IC)
2The infrasonic frequency generator signal output that (67283A) constitutes reaches by integrated circuit (IC)
3(ITT2559) the modulation input end capacitor C of the dual-tone multifrequency that constitutes generator signal output frequently and radiating circuit
17Join.
Receiving circuit: instrument transformer B
3, capacitor C
37Constitute high frequency and receive the single tuning input circuit; Diode D
3-4Form an amplitude limiter; Triode BG
9, BG
8Send out altogether-cobasis cascade amplifying circuit Deng the element composition; Triode BG
7, resistance R
18-20, capacitor C
23-28, inductance L
9, analog switching ic IC
10(MAX309) formation one can be changed the auto-excitation type frequency converter of local oscillation frequency by scm software; Integrated circuit (IC)
9(TA7314P) put in finishing, frequency discrimination, lowly work such as put; Restituted signal output and integrated circuit (IC)
6-8The infrasonic frequency decoder signal input and the integrated circuit (IC) that constitute of element such as (MN6520)
5(KT3170J/N) etc. the dual-tone multifrequency decoder signal input that constitutes of element is connected;
Microcomputer IC
4(CPU-8051) input and output contact and connector JP
1Middle part tapping point, integrated circuit (IC)
6-8The infrasonic frequency decoder signal output, the integrated circuit (IC) that constitute of element such as (MN6520)
5The dual-tone multifrequency decoder signal output, the integrated circuit (IC) that constitute of element such as (KT3170J/N)
2(67283A) the infrasonic frequency generator signal input end that waits element to constitute reaches by integrated circuit (IC)
3(ITT2559) etc. the dtmf generator signal input end that constitutes of element is connected respectively; The restituted signal output of receiving circuit is connected with loud speaker; The modulation signal input of radiating circuit is connected with transmitter.
Infrared ray beacon of the present utility model as shown in Figure 3 switches other each several parts of radiophone, wherein:
(B) single-chip computer control system: by integrated circuit (IC)
11(PIC16C54), capacitor C
40-41, quartz crystal SJT
7, wait element to constitute.
(C) digital signal adapter: by integrated circuit (IC)
12(CD54C22106F) constitute.
(D) infra-red code reflector: by integrated circuit (IC)
14(M5046AP), capacitor C
42-44, quartz crystal SJT
8, triode BG
10, resistance R
26-27, infrared light emitting diode D
5Constitute Deng element.
(E) decoding infrared ray receiver: adopt modular circuit IC
15(SFH506-38).
(F) electrically alterable storage: adopt integrated circuit (IC)
12(93C56).
Above each several part connects combination by circuit shown in accompanying drawing 2 and the accompanying drawing 3 and promptly finishes the enforcement that this infrared ray beacon switches radiophone.
Infrared ray beacon of the present utility model as shown in Figure 4, wherein: (G) decoding infrared ray receiver: adopt modular circuit IC
20(SFH506-38).(H) be single-chip computer control system: single-chip computer control system: by integrated circuit (IC)
19(PIC16C54), capacitor C
48-49, quartz crystal SJT
10, wait element to constitute.(I) power supply changeover device: adopt existing power supply module to get final product, its output voltage is selected the required magnitude of voltage of the utility model, and its input voltage and electric current select to be suitable for the value that photocell can provide.Adopt DC/DC module I C among this figure
18(4NIC-DC/DC1-500), photocell E
1(LST--25) and storage battery E
2(10AH, 6V).(J) digital signal adapter: by integrated circuit (IC)
17(CD54C22106F) constitute.(K) infra-red code reflector: by integrated circuit (IC)
16(M5046AP), capacitor C
45-47, quartz crystal SJT
9, triode BG
11, resistance R
28-29, infrared light emitting diode D
6Constitute Deng element.(L) digital signal modulator-demodulator: triode BG
11, resistance R
30-35, capacitor C
50-54, instrument transformer B
4, diode D
7-8Form modulation circuit Deng element; Diode D
9-12, resistance R
36-37, capacitor C
55-58, instrument transformer B
6-7, etc. element form demodulator circuit; Capacitor C
59, instrument transformer B
5Form outer line interface, L Deng element
0Be outer line end.(M) electrically alterable storage: adopt integrated circuit (IC)
21(93C56).
Above each several part is by connecting the enforcement of promptly finishing this infrared ray beacon shown in the accompanying drawing 4.
The utility model is so that the radio telephone function is real in a very little scope Existing duty and the fixed point of communication frequency point automatically switch. Has the structure letter Single, characteristics easy to use.
Claims (1)
1, a kind of infrared ray beacon of being made up of radio set, antenna, infra-red code reflector etc. switches radiophone and infrared ray beacon, it is characterized in that the infrared ray beacon switches radiophone a single-chip computer control system is arranged; A digital signal adapter; An infra-red code reflector; A decoding infrared ray receiver; An electrically alterable storage; One group of input and output contact of single-chip computer control system is connected respectively with the microcomputer input and output contact of radio set; Another group input and output contact of single-chip computer control system is connected respectively with the input and output contact of electrically alterable storage; One group of output contact of single-chip computer control system is connected respectively with the operating state control contact of digital signal adapter; The transit node of digital signal adapter is connected respectively with the coding control line of infra-red code reflector; One group of input contact of single-chip computer control system is connected respectively with the decoded signal output contact of decoding infrared ray receiver; The infrared ray beacon has a single-chip computer control system; A digital signal adapter; A decoding infrared ray receiver; An electrically alterable storage; One group of photocell; One group storage battery; A power supply changeover device; A digital signal modem; One group of input and output contact of single-chip computer control system is connected respectively with the digital signal input/output terminal of digital signal modulator-demodulator; Another group input and output contact of single-chip computer control system is connected respectively with the input and output contact of electrically alterable storage; One group of output contact of single-chip computer control system is connected respectively with the operating state control contact of digital signal adapter; The transit node of digital signal adapter is connected respectively with the coding control line of infra-red code reflector; One group of input contact of single-chip computer control system is connected respectively with the decoded signal output contact of decoding infrared ray receiver; Photronic current output terminal is connected with the input of power supply changeover device; The output of power supply changeover device is connected with storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97207635U CN2281616Y (en) | 1997-02-24 | 1997-02-24 | Infrared signal switching cordless telephone and infrared signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97207635U CN2281616Y (en) | 1997-02-24 | 1997-02-24 | Infrared signal switching cordless telephone and infrared signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2281616Y true CN2281616Y (en) | 1998-05-13 |
Family
ID=33927354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97207635U Expired - Fee Related CN2281616Y (en) | 1997-02-24 | 1997-02-24 | Infrared signal switching cordless telephone and infrared signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2281616Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114257692A (en) * | 2020-09-25 | 2022-03-29 | 力同科技股份有限公司 | Communication equipment and method |
-
1997
- 1997-02-24 CN CN97207635U patent/CN2281616Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114257692A (en) * | 2020-09-25 | 2022-03-29 | 力同科技股份有限公司 | Communication equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |