CN201518482U - Infrared relay device - Google Patents
Infrared relay device Download PDFInfo
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- CN201518482U CN201518482U CN2009200739164U CN200920073916U CN201518482U CN 201518482 U CN201518482 U CN 201518482U CN 2009200739164 U CN2009200739164 U CN 2009200739164U CN 200920073916 U CN200920073916 U CN 200920073916U CN 201518482 U CN201518482 U CN 201518482U
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Abstract
The utility model provides an infrared relay device, which achieves the functions of infrared communication and 485-communication at the same time, and comprises an infrared transmitting, receiving and communicating part and a signal execution and detection part. The infrared transmitting, receiving and communicating part comprises an infrared receiving circuit, an infrared transmission circuit, a logic control unit, a power supply circuit and a 485 communication circuit; and the signal execution and detection part comprises the 485 communication circuit, the logic control unit, a power supply circuit, a relay executive circuit and a signal detection circuit. The infrared relay device receives external infrared signals through the infrared transmitting, receiving and communicating part, transmits the received infrared signals to the signal execution and detection part through the 485-communication, and sends feedback signals generated by the signal execution and detection part in an infrared manner at the same time, thereby prolonging the distance of infrared communication in a certain sense. The infrared relay device characterized by exquisite structure, convenient connection and simple use, can be applied to various communication occasions.
Description
Technical field
The utility model relates to a kind of infrared relay that has 485 communication functions, especially can prolong the infrared relay of infrared operation distance.
Background technology
Infrared radio transmission at present is because its implementation is simple, easy to connect, strong security, and integrated cost is low etc., and factor is widely used, but because the problem of its transmission range is very restricted its use.
The utility model content
The utility model overcomes above defective, by increasing the distance that 485 telecommunication circuits prolong infrared reception, promptly carries out infrared communication earlier, carries out 485 communications again, makes the infrared communication applicability more extensive.The utility model provides a kind of circuit mechanism simple, easy to use, powerful infrared relay in order to realize above function.
The technical solution of the utility model is: a kind of infrared relay, comprise execution of infrared reception transmission and communications portion and signal and test section, described infrared reception transmission and communications portion comprise infrared receiving circuit, infrared transtation mission circuit, logic control element 1, power circuit, 485 telecommunication circuits 1, described signal is carried out with the test section and is comprised 485 telecommunication circuits 2, logic control element 2, power circuit, relay executive circuit and signal deteching circuit, it is characterized in that: infrared reception transmission and communications portion receive outside infrared signal by infrared receiving circuit, 1 pair of logic control element receives infrared signal and discerns processing, 485 telecommunication circuits 2 by 485 telecommunication circuits 1 and signal execution and test section after identification is handled communicate, the infrared signal of receiving is sent to signal to be carried out and the test section, the signal execution is controlled corresponding relays after logic cell processes after receiving the control signal of infrared reception transmission and communications portion with the test section.
Further, signal is carried out and the signal deteching circuit of test section periodically detects external signal, after logic control element 2 is handled, in time feed back to infrared reception transmission and communications portion, and send by the infrared transtation mission circuit of infrared reception transmission and communications portion by 485 telecommunication circuits 2.
Further, infrared reception transmission and communications portion adopt single-chip microcomputer as logic control element, one-chip machine port P1.0 connects triode Q1 base stage through resistance R 4, add pull down resistor R5 ground connection simultaneously, triode Q1 grounded emitter, collector electrode meets infrared diode LED1, the negative pole of LED2 and common LED 3, infrared diode LED1, the positive pole of LED2 and common LED 3 passes through resistance R 1 respectively, R2, R3 connects positive source, one-chip machine port P1.1 connects the signal output part of infrared receiving terminal, makes infrared reception transmission and communications portion have infrared reception and sending function simultaneously.
Further, it is logic control element that infrared reception transmission and communications portion adopt single-chip microcomputer, adopting 485 telecommunication circuits to carry out with signal is connected with testing circuit, 485 telecommunication circuits adopt the MAX487 chip as telecommunication circuit, between the port A of MAX487 and B, be connected to build-out resistor R7, port B is connected to pull-up resistor R6, and port A is connected to pull down resistor R8, thereby realizes 485 communication functions of stability and high efficiency.
Further, signal is carried out with the test section and is adopted single-chip microcomputer as logic control element, adopt 485 telecommunication circuits to be connected with communications portion with infrared reception transmission, 485 circuit adopt the MAX487 chip as telecommunication circuit, between the port A of MAX487 and B, be connected to build-out resistor R27, port B is connected to pull-up resistor R26, and port A is connected to pull down resistor R28, thereby realizes 485 communication functions of stability and high efficiency.
Further, signal is carried out with the test section and is adopted single-chip microcomputer as logic control element, one-chip machine port P1.0---base stage of Q5 that P1.4 passes through resistance R 1 respectively---R5 meets triode Q1---, one-chip machine port passes through pull down resistor R31 respectively simultaneously---R35 ground connection.Relay R LY1---RLY5 one termination 24V positive source, the other end meets triode Q1 respectively---the collector electrode of Q5, the grounded emitter of triode Q1---Q5, relay R LY1---the RLY5 two ends are connected to sustained diode 1 respectively---D5, LED5's resistance R 6---R10 and LED 1---connects respectively, be connected on relay R LY1---the two ends of RLY5 more respectively, as the indicating circuit of relay contact conversion.
Further, signal is carried out with the test section and is adopted single-chip microcomputer as logic control element, terminal T9---T13 passes through LED 6 respectively---LED10, resistance R 11---R15 meets triode Q1---base stage of Q5, while LED 6---the LED10 negative pole passes through resistance R 16 respectively---R20 ground connection, triode Q6---the Q10 base stage is passed through resistance R 21 respectively---R25 ground connection, the direct ground connection of emitter, collector electrode meets one-chip machine port P1.5, P1.6, P1.7, P3.5, P3.7 respectively, has realized signal deteching circuit.
Infrared relay structure of the present utility model is simplified, powerful, the infrared signal of receiving can be transmitted by 485 communications again, thereby reach the purpose that increases the infrared communication distance, and infrared relay stable performance of the present utility model, strong security, with low cost, easy to operate simple, in field of signal transmissions extensive applicability is arranged.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 .1 is the circuit theory diagrams of the logic control circuit 1 of infrared reception transmission of the utility model and communications portion;
Fig. 2 .2 is the partial circuit schematic diagram of 485 telecommunication circuits 1 of infrared reception transmission of the utility model and communications portion;
Fig. 2 .2.1 is the partial circuit schematic diagram of 485 telecommunication circuits 1 of infrared reception transmission of the utility model and communications portion;
Fig. 2 .3 is the infrared transmission of infrared reception transmission of the utility model and communications portion and the partial circuit schematic diagram of receiving circuit;
Fig. 2 .3.1 is the infrared transmission of infrared reception transmission of the utility model and communications portion and the partial circuit schematic diagram of receiving circuit;
Fig. 2 .4 is the circuit theory diagrams of the power circuit of infrared reception transmission of the utility model and communications portion;
Fig. 3 .1 is the circuit theory diagrams of the utility model signal execution with the logic control circuit of test section;
Fig. 3 .2 is the circuit theory diagrams of the utility model signal execution with 485 telecommunication circuits of test section;
Fig. 3 .3 is the circuit theory diagrams of the utility model signal execution with the power circuit of test section;
Fig. 4 .1 is the partial circuit schematic diagram of the utility model signal execution with the relay executive circuit of test section;
Fig. 4 .2 is the partial circuit schematic diagram of the utility model signal execution with the relay executive circuit of test section;
Fig. 4 .3 is the partial circuit schematic diagram of the utility model signal execution with the relay executive circuit of test section;
Fig. 4 .4 is the partial circuit schematic diagram of the utility model signal execution with the relay executive circuit of test section;
Fig. 4 .5 is the partial circuit schematic diagram of the utility model signal execution with the relay executive circuit of test section;
Fig. 5 .1 is the partial circuit schematic diagram of the utility model signal execution with the signal deteching circuit of test section.
Fig. 5 .2 is the partial circuit schematic diagram of the utility model signal execution with the signal deteching circuit of test section.
Fig. 5 .3 is the partial circuit schematic diagram of the utility model signal execution with the signal deteching circuit of test section.
Fig. 5 .4 is the partial circuit schematic diagram of the utility model signal execution with the signal deteching circuit of test section.
Fig. 5 .5 is the partial circuit schematic diagram of the utility model signal execution with the signal deteching circuit of test section.
Embodiment
As shown in Figure 1, a kind of infrared relay of the utility model preferred embodiment mainly comprises two parts: infrared reception transmission and communications portion and signal are carried out and the test section.Infrared reception transmission and communications portion comprise infrared receiving circuit, infrared transtation mission circuit, logic control element 1, power circuit (seeing Fig. 2 .4), 485 telecommunication circuits 1; Signal is carried out with the test section and is comprised 485 telecommunication circuits 2, logic control element 2, power circuit (seeing Fig. 3 .3), relay executive circuit and signal deteching circuit.
Operation principle of the present utility model is: when the infrared reception transmission of infrared relay and communications portion are accepted by infrared receiving circuit and infrared transtation mission circuit and sent infrared signal and the external world communicates, 1 pair of logic control element receives infrared signal and discerns processing, 485 telecommunication circuits 2 by 485 telecommunication circuits 1 and signal execution and test section after identification is handled communicate, the infrared signal of receiving is sent to signal to be carried out and the test section, after the signal execution is received the control signal of infrared reception transmission and communications portion with the test section, after logic cell processes, corresponding relays is controlled, thereby reach the purpose of infrared control, periodically detect simultaneously external signal, in time feeding back to infrared reception transmission and communications portion, and send by the infrared transtation mission circuit of infrared reception transmission and communications portion.
It is as follows that physical circuit connects situation:
Shown in Fig. 2 .1, the logic control circuit 1 of infrared reception transmission and communications portion is by single-chip microcomputer U1, crystal oscillator X1 and capacitor C 1, C2 form, single-chip microcomputer meets capacitor C 1, C2 and crystal oscillator X1 to obtain the clock source of single-chip microcomputer work, crystal oscillator X1 is connected on the two ends of single-chip microcomputer pin XTAL1 and XTAL2, crystal oscillator X1 two ends are passed through capacitor C 1 and C2 ground connection respectively simultaneously, have realized the logic control function.
Shown in Fig. 2 .2 and Fig. 2 .2.1,485 telecommunication circuits 1 of infrared reception transmission and communications portion comprise communication chip U2 (MAX487), resistance R 6, and R7, R8, R9, R10, R11, LED 4 is formed.Single-chip microcomputer P1 port RxD links to each other with the RxD of communication chip MAX487 and the pin of TxD respectively with TxD, and one-chip machine port P1.5 links to each other with RE with the Control on Communication Enable Pin pin DE of communication chip MAX487.The port B of communication chip MAX487 and A add respectively and draw resistance R 6 and pull down resistor R8, add build-out resistor R7 between port B and the A, port B and A series resistor R9 and R10 respectively simultaneously, the other end of resistance R 9 and R10 485 communicate to connect end, have realized 485 communication functions.
Shown in Fig. 2 .3 and Fig. 2 .3.1, the infrared transmission and the receiving circuit of infrared reception transmission and communications portion comprise integrated infrared receiving terminal U3, resistance R 1---R5, triode Q1, infrared diode LED1, LED2, LED 3.One-chip machine port P1.0 is connected through the base stage of resistance R 4 with triode Q1, simultaneously through pull down resistor R5 ground connection.The grounded emitter of triode Q1, collector electrode connects the negative pole of infrared diode LED1, LED2 and LED 3, the positive pole of infrared diode LED1, LED2 and LED 3 connects positive source through resistance R 1, R2, R3 respectively, has realized infrared sending function.One-chip machine port P1.1 connects the signal output part of infrared receiving terminal, has realized infrared receiving function.
Shown in Fig. 2 .4, the power circuit of infrared reception transmission and communications portion comprises diode D1, electric capacity E1, E2, C3, three-terminal voltage-stabilizing module U4 (7805).The 24VDC of peripheral input is through protection diode D1; enter three-terminal voltage-stabilizing module U4 (7805) behind the filter capacitor E1; three-terminal voltage-stabilizing module U2 output 5VDC voltage obtains stable 5VDC voltage behind electric capacity E2 and C3, realized the power circuit of infrared reception transmission and communications portion.
Shown in Fig. 3 .1, signal is carried out the logic control element 2 with the test section, comprises single-chip microcomputer U1, capacitor C 1, C2 and crystal oscillator X1.Crystal oscillator X1 is connected on the two ends of single-chip microcomputer pin XTAL1 and XTAL2, and crystal oscillator X1 two ends are passed through capacitor C 1 and C2 ground connection respectively simultaneously.Realized the logic control function.
Shown in Fig. 3 .2, signal is carried out 485 telecommunication circuits 2 with the test section, comprises 485 communication chip U2 (MAX487), resistance R 26, and R27, R28, R29, R30 forms.One-chip machine port RxD links to each other with the RxD of communication chip MAX487 and the pin of TxD respectively with TxD, and one-chip machine port P3.2 links to each other with RE with the Control on Communication Enable Pin pin DE of communication chip MAX487.The port B of communication chip MAX487 and A are connected to pull-up resistor R26 and pull down resistor R28 respectively, add build-out resistor R27 between port B and the A, while port B and A be series resistor R29 and R30 respectively, and the other end of resistance R 29 and R30 has been realized 485 communication functions as 485 order wire links.
Shown in Fig. 3 .3, signal is carried out the power circuit with the test section, comprises diode D6, electric capacity E1, E2, C3, three-terminal voltage-stabilizing module U4 (7805).From the 24VDC of terminal T7 and T8 input through protection diode D6; enter three-terminal voltage-stabilizing module U4 (7805) behind the filter capacitor E1; three-terminal voltage-stabilizing module U4 output 5VDC voltage obtains stable 5VDC voltage behind electric capacity E2 and C3, realized that signal is carried out and the power circuit of test section.
Shown in Fig. 4 .1 to 4.5, signal is carried out the relay executive circuit with the test section, comprises relay R LY1---RLY5, resistance R 1---R10, R31---R35, diode D1---D5, LED 1---LED5, triode Q1---Q5.One-chip machine port P1.0---the base stage of Q5 that P1.4 passes through resistance R 1 respectively---R5 meets triode Q1---, simultaneously respectively through pull down resistor R31---R35 ground connection, the direct ground connection of the emitter of triode Q1---Q5, collector electrode is succeeded electrical equipment RLY1 respectively---the end of RLY5, another termination 24VDC positive source of relay R LY1---RLY5,---stream diode D1 continues respectively at the two ends of RLY5---D5 at relay R LY1, LED 1---LED5 respectively with circuit R6---R10 connects, and forward is connected in parallel on relay R LY1 again---two ends of RLY5.One end of relay R LY1---RLY5 normally-closed contact is as common port connecting terminal T6, and the other end is connecting terminal T1 respectively---and T5, realized that signal is carried out and the relay executive circuit of test section.
Shown in Fig. 5 .1 to 5.5, signal is carried out the signal deteching circuit with the test section, comprises resistance R 11---R25, LED 6---LED10, triode Q6---Q10.Terminal T9---T13 is respectively through LED 6---LED10, resistance R 11---R15 meets triode Q6 respectively---base stage of Q10, LED 6---negative pole of LED10 will pass through resistance R 16 respectively---R20 ground connection, triode Q6---base stage of Q10 is passed through resistance R 21 respectively---R25 ground connection.The direct ground connection of the emitter of the Q6 of triode---Q10, collector electrode meets one-chip machine port P1.5, P1.6, P1.7, P3.5, P3.7 respectively, has realized that signal is carried out and the signal deteching circuit of test section.
Claims (7)
1. infrared relay, comprise execution of infrared reception transmission and communications portion and signal and test section, described infrared reception transmission and communications portion comprise infrared receiving circuit, infrared transtation mission circuit, logic control element (1), power circuit, 485 telecommunication circuits (1), described signal is carried out with the test section and is comprised 485 telecommunication circuits (2), logic control element (2), power circuit, relay executive circuit and signal deteching circuit, it is characterized in that: infrared reception transmission and communications portion receive outside infrared signal by infrared receiving circuit, logic control element (1) is discerned processing to receiving infrared signal, 485 telecommunication circuits (2) by 485 telecommunication circuits (1) and signal execution and test section after identification is handled communicate, the infrared signal of receiving is sent to signal to be carried out and the test section, the signal execution is controlled corresponding relays after logic cell processes after receiving the control signal of infrared reception transmission and communications portion with the test section.
2. infrared relay according to claim 1, it is characterized in that: signal is carried out and the signal deteching circuit of test section periodically detects external signal, after logic control element (2) is handled, in time feed back to infrared reception transmission and communications portion, and send by the infrared transtation mission circuit of infrared reception transmission and communications portion by 485 telecommunication circuits (2).
3. infrared relay according to claim 1, it is characterized in that: infrared reception transmission and communications portion adopt single-chip microcomputer as logic control element, one-chip machine port P1.0 connects triode Q1 base stage through resistance R 4, add pull down resistor R5 ground connection simultaneously, triode Q1 grounded emitter, collector electrode meets infrared diode LED1, the negative pole of LED2 and common LED 3, infrared diode LED1, the positive pole of LED2 and common LED 3 passes through resistance R 1 respectively, R2, R3 connects positive source, one-chip machine port P1.1 connects the signal output part of infrared receiving terminal, makes infrared reception transmission and communications portion have infrared reception and sending function simultaneously.
4. infrared relay according to claim 1, it is characterized in that: it is logic control element that infrared reception transmission and communications portion adopt single-chip microcomputer, adopting 485 telecommunication circuits to carry out with signal is connected with testing circuit, 485 telecommunication circuits adopt the MAX487 chip as telecommunication circuit, between the port A of MAX487 and B, be connected to build-out resistor R7, port B is connected to pull-up resistor R6, and port A is connected to pull down resistor R8, thereby realizes 485 communication functions of stability and high efficiency.
5. infrared relay according to claim 1, it is characterized in that: signal is carried out with the test section and is adopted single-chip microcomputer as logic control element, adopt 485 telecommunication circuits to be connected with communications portion with infrared reception transmission, 485 circuit adopt the MAX487 chip as telecommunication circuit, between the port A of MAX487 and B, be connected to build-out resistor R27, port B is connected to pull-up resistor R26, and port A is connected to pull down resistor R28, thereby realizes 485 communication functions of stability and high efficiency.
6. infrared relay according to claim 1, it is characterized in that: signal is carried out with the test section and is adopted single-chip microcomputer as logic control element, one-chip machine port P1.0---the base stage of Q5 that P1.4 passes through resistance R 1 respectively---R5 meets triode Q1---, one-chip machine port passes through pull down resistor R31 respectively simultaneously---R35 ground connection, relay R LY1---RLY5 one termination 24V positive source, the other end meets triode Q1 respectively---the collector electrode of Q5, the grounded emitter of triode Q1---Q5, relay R LY1---the RLY5 two ends are connected to sustained diode 1 respectively---D5, LED5's resistance R 6---R10 and LED 1---connects respectively, be connected on relay R LY1---the two ends of RLY5 more respectively, as the indicating circuit of relay contact conversion.
7. infrared relay according to claim 1, it is characterized in that: signal is carried out with the test section and is adopted single-chip microcomputer as logic control element, terminal T9---T13 passes through LED 6 respectively---LED10, resistance R 11---R15 meets triode Q1---base stage of Q5, while LED 6---the LED10 negative pole passes through resistance R 16 respectively---R20 ground connection, triode Q6---the Q10 base stage is passed through resistance R 21 respectively---R25 ground connection, the direct ground connection of emitter, collector electrode meets one-chip machine port P1.5 respectively, P1.6, P1.7, P3.5, P3.7 has realized signal deteching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200739164U CN201518482U (en) | 2009-05-19 | 2009-05-19 | Infrared relay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200739164U CN201518482U (en) | 2009-05-19 | 2009-05-19 | Infrared relay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201518482U true CN201518482U (en) | 2010-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200739164U Expired - Fee Related CN201518482U (en) | 2009-05-19 | 2009-05-19 | Infrared relay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201518482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743577A (en) * | 2016-01-29 | 2016-07-06 | 杭州电子科技大学 | Visible light audio transmission system based on phase-locked loop |
-
2009
- 2009-05-19 CN CN2009200739164U patent/CN201518482U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743577A (en) * | 2016-01-29 | 2016-07-06 | 杭州电子科技大学 | Visible light audio transmission system based on phase-locked loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20140519 |