KR960002838B1 - Wire remote controller communication device - Google Patents

Wire remote controller communication device Download PDF

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Publication number
KR960002838B1
KR960002838B1 KR1019920022850A KR920022850A KR960002838B1 KR 960002838 B1 KR960002838 B1 KR 960002838B1 KR 1019920022850 A KR1019920022850 A KR 1019920022850A KR 920022850 A KR920022850 A KR 920022850A KR 960002838 B1 KR960002838 B1 KR 960002838B1
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South Korea
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power
signal
rectifying
output
transmission signal
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KR1019920022850A
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Korean (ko)
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KR940013278A (en
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김용범
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대우전자주식회사
배순훈
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/06—Calling by using amplitude or polarity of dc
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The 2-line wire remote controller communication device comprises a main system having a first rectifying and smoothing unit for rectifying and smoothing an alternative current power and outputting a direct current power, a first regulator for converting the direct current power into a communication power, a first micom for controlling the products, a first transmitter for transmitting a transmission signal via a power line according to a transmission signal output of the first micom and a first receiver for limiting the transmission signal to a predetermined voltage and applying it to the first micom; and a controller having a second rectifying and smoothing unit for rectifying and smoothing the output power of the main system, a second regulator for converting the output power of the second rectifying and smoothing unit into a power of the controller, a second micom for receiving and transmitting a control signal to control the main system, a second transmitter for transmitting a transmission signal via a power line according to a transmission signal output of the first micom and a second receiver for limiting the transmission signal to a predetermined voltage and applying it to the second micom.

Description

2선식 유선 리모콘 통신장치2-wire wired remote control device

제1도는 본 발명의 2선식 유선 리모콘 통신회로도.1 is a two-wire wired remote control communication circuit of the present invention.

제2도는 신호전송 파형도.2 is a signal transmission waveform diagram.

제3도는 본 발명에 따른 신호송신시의 제어 흐름도.3 is a control flowchart of signal transmission in accordance with the present invention.

제4도는 본 발명에 따른 신호수신기의 제어 흐름도.4 is a control flowchart of a signal receiver according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 메인시스템 2 : 콘트롤러1: Main system 2: Controller

3,3a : 정류 및 평활부 4,4a : 레귤레이터부3,3a: rectification and smoothing part 4,4a: regulator part

5,5a : 마이콤 6,6a : 송신부5,5a: Micom 6,6a: Transmitter

7,7a : 수신부7,7a: receiver

본 발명은 유선통신에 관한 것으로, 특히 두선의 통신선로를 이용하여 데이타량이 많지 않고, 빠른 스피드(Speed)가 요구되지 않는 일반 가전제품에 적당한 2선식 유선리모콘 통신장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to wired communication, and more particularly, to a two-wired wired remote control communication device suitable for general home appliances that do not require a large amount of data and require fast speed by using two wire communication lines.

일반적으로 통신에는 직렬통신과 병렬통신의 두가지 방법이 있다.In general, there are two methods of communication, serial communication and parallel communication.

그중에 병렬통신의 경우에는 데이타(Data) 비트(bit) 수 이상의 신호선이 필요하고, 직렬통신의 경우라 하더라도 전원(VDD)(VSS) 두가닥과 신호선(TX,RX) 두가닥 이상이 필요하여, 통신선로의 가닥수가 많아지는 문제점이 있다.Among them, in case of parallel communication, signal line of more than data bit number is required, and even in case of serial communication, more than two lines of power supply (V DD ) (V SS ) and signal lines (T X , R X ) This necessitates a problem of increasing the number of strands of the communication line.

따라서 종래에는 AM전성방법을 이용하여 전원선에 신호(Signal)를 중첩시키는 방법으로 통신선로를 두가닥으로 하는 방법이 이용되기도 하지만, 변도 및 복조회로가 필요함으로 하드웨어(Hard Ware)의 구성이 복잡하고 원가부감이 커서 일반소형 가전제품에 적용하기에는 부담이 되는 문제점이 있다.Therefore, the conventional method of superimposing a signal on a power line by using the AM malleable method is a method of making two lines of a communication line. However, since a variation and a demodulation circuit are required, a hardware is constructed. There is a problem that it is a burden to apply to the general small household appliances because the complexity and cost burden is large.

본 발명은 이와같은 문제점을 해결하기 위하여 안출한 것으로써, 데이타량이 많지 않고 빠른 스피드가 요구되지 않는 일반가전제품에 효과적으로 적용할 수 있는 유선 리모콘 통신장치를 제공하는데 그 목적이 있다.An object of the present invention is to provide a wired remote control communication apparatus that can be effectively applied to a general home appliance that does not require a large amount of data and does not require fast speed.

이와같은 목적을 달성하기 위한 본 발명은 메인시스템과 콘트롤러간의 전원선에 신호를 중첩시켜 전송하는 것으로 통신선로는 전원(VDD)과 그라운드(GND)의 두선만 필요하다.In order to achieve the above object, the present invention superimposes a signal on a power line between a main system and a controller and transmits only two lines of a power supply V DD and a ground GND.

이와같은 본 발명을 첨부된 도면을 참조하여 보다 상세히 설명하면 다음과 같다.This invention is described in more detail with reference to the accompanying drawings as follows.

제1도는 본 발명의 2선식 유선 리모콘 통신장치 회로도로서, 메인 시스템 (1)과 콘트롤러 (2)로 구성되어 메인시스템(1)과 콘트롤러(2)간 통신선로는 전원(VDD), 그라운드(GND)의 두선으로 구성된다.1 is a circuit diagram of a two-wire wired remote controller communication apparatus of the present invention, wherein the communication system between the main system 1 and the controller 2 is composed of a main system 1 and a controller 2, and a power supply V DD and a ground ( It consists of two lines of GND).

메인시스템(1)은 브릿지 다이오드(BD1), 커패시터(C1,C2)등으로 이루어져 교류전원을 정류하고 평활하여 소정의 직류전원으로 출력하는(AC 24V를 전파정류하고 평활함) 제1정류 및 평활부(3)와, 레귤레이터(IC 7818), 커패시터(C3,C4) 등으로 이루어져 정류 및 평활부(3)의 출력을 직류 18V로 출력하는 제1레귤레이터부(4)와, 임의의 가전제품을 콘트롤러(2)의 신호에 의해 제어하기 위한 제1마이콤(5)으로 구성된다.The main system 1 includes a bridge diode BD 1 , capacitors C 1 , C 2 , and the like, rectifying and smoothing AC power to output a predetermined DC power (full-wave rectifying and smoothing AC 24V). A first regulator part 4 composed of a rectifying and smoothing part 3, a regulator (IC 7818), capacitors C 3 and C 4 , and the like to output the output of the rectifying and smoothing part 3 to a direct current of 18V; It consists of a first microcomputer 5 for controlling any household appliances by the signal of the controller 2.

콘트를러(2)는 메인시스템(1)과 2선식 유선으로 연결되며, 브릿지다이오드(BD2), 캐패시터(C5,C6)으로 이루어져 메인시스템(1)의 출력을 정류 및 평활하는 제2정류 및 평활부(3a)와, 레귤레이터(IC 7805), 캐패시터(C7)등으로 이루어져 제2정류 및 평활부(3a)의 출력을 직류 5V로 출력하여 콘트롤러(2)의 전원을 고급하는 제2레귤레이터(4a)와, 메인시스템(1)을 제어하기 위한 신호를 송수신하는 제2마이콤(5a)으로 구성된다.The controller 2 is connected to the main system 1 by two-wire wires, and is composed of a bridge diode BD 2 and capacitors C 5 and C 6 to rectify and smooth the output of the main system 1. 2 rectification and smoothing part (3a), regulator (IC 7805), capacitor (C 7 ) and the like to output the output of the second rectifying and smoothing part (3a) by direct current 5V to enhance the power supply of the controller (2) It consists of a 2nd regulator 4a and the 2nd microcomputer 5a which transmits and receives a signal for controlling the main system 1. As shown in FIG.

여기서, 상기 메인시스템(1)과 콘트롤러(2)에는 신호를 송수신하는 장치로서, 제1마이콤(5)의 출력포트(S0)에 연결되어 저항(R1~R6), 트랜지스터(Q1~Q6)로 이루어져 제2도와 같은 신호파형을 출력하는 제1송신부(6)와, 저항(R7~R11), 트랜지스터(Q3~Q4)로 이루어져 제2마이콤(5a)의 출력포트(S0)에서 제2도와 같은 신호파형을 출력하는 제2송신부(6a)로 신호를 각각 송신한다.Here, the main system 1 and the controller 2 are devices for transmitting and receiving signals, and are connected to the output ports S 0 of the first microcomputer 5 and include resistors R 1 to R 6 and transistors Q 1. Q 6 ) consists of a first transmitter 6 for outputting a signal waveform as shown in FIG. 2, resistors R 7 to R 11 , and transistors Q 3 to Q 4 to output the second microcom 5a. A signal is transmitted from the port S 0 to the second transmitter 6a, which outputs the signal waveform shown in FIG.

그리고, 저항(R12), 제너다이오드(ZD1)로 이루어져 제1마이콤(5)와 입력포트(S1)에서 제2도와 같은 신호파형을 입력하는 제1수신부(7)와, 저항(R13), 제너다이오드(ZD2)로 이루어져 제2마이콤(5a)의 입력포트(S1)에서 제2도와 같은 신호파형을 입력하는 제2수신부(7a)로 신호를 각각 수신한다.In addition, the resistor R 12 and the zener diode ZD 1 include a first receiver 7 for inputting a signal waveform as shown in FIG. 2 at the first microcomputer 5 and the input port S 1 , and the resistor R. 13 ), each of the zener diodes ZD 2 receives a signal from the input port S 1 of the second microcom 5a to the second receiving unit 7a for inputting a signal waveform as shown in FIG. 2.

상기 제2도는 본 출원인이 선출원한 직렬 신호 전송에 따른 신호파형도를 도시한 것으로, 제2도에서와 같이 8비트의 데이타를 전송하기 위하여 우선 일정시간동안 로우신호인 스타트 비트(START BIT) 신호(약 1msec)를 출력하여 현재 새로운 데이타가 전송됨을 인식하게 하여준다.FIG. 2 is a signal waveform diagram according to serial signal transmission, which is filed by the present applicant. In order to transmit 8-bit data as in FIG. (About 1msec) is output so that new data can be recognized.

이러한 전송개시 신호가 종료되는 시점에서 8비트의 데이타가 소정의 명령형태(PROTOCOL)로 소정시간 동안 출력되는데 이때 하이레벨 상태의 시간(3msec)은 일정하게 고정하고 로우레벨 상태의 시간을 달리하여 출력한다.At the end of the transmission start signal, 8-bit data is output for a predetermined time in a predetermined command form (PROTOCOL). At this time, the time in the high level state (3msec) is fixed and output in a different time in the low level state. do.

따라서 상기 로우레벨 지속시간에 따라 데이타 '0' 또는 '1'의 신호로 인식될 수 있도록 하여주어 로우레벨 시간이 8msec일 때에는 하이신호로 인식하고, 로우레벨 시간이 3msec일때에는 로우신호(0)로 인식하여 데이타를 일정시간 동안 8비트 출력하는 방식이다.Therefore, it can be recognized as a signal of data '0' or '1' according to the low level duration time, and is recognized as a high signal when the low level time is 8 msec, and a low signal (0) when the low level time is 3 msec. Recognizes the data as 8-bit data for a certain time.

이와 같이 구성된 본 발명의 2선식 유선 리모콘 통신장치는 다음과 같이 동작한다.The two-wire wired remote control device of the present invention configured as described above operates as follows.

먼저, 메인시스템(1)과 콘트롤러(2) 사이에는 유선으로 통신되며, 신호 송수신중이 아닐때에는 메인시스템(1)의 제1정류 및 평활부(3)와 제1레귤레이터부(4)에서 교류전원(AC 24V)를 직류전원(DC 18V)로 출력하고 콘트롤러(2)의 제2정류 및 평활부(3a)와 제2레귤레이터부(4a)에서는 메인시스템(11)의 출력전원(DC 18V)를 직류전원(DC 5V)로 만들어 콘트롤러(2)의 전원으로 사용한다. 여기서 제2정류 및 평활부(3a)의 브릿지 다이오드(BD2)는 통신선로의 극성이 바귈 경우에도 정상적인 콘트롤러(2)에 전원을 공급하기 위해 사용하였다.First, the main system 1 and the controller 2 communicate with each other by wire. When the signal is not being transmitted or received, the first rectification and smoothing unit 3 and the first regulator unit 4 of the main system 1 exchange AC. Outputs power 24V to DC 18V and outputs DC 18V of main system 11 to second rectification and smoothing section 3a and second regulator section 4a of controller 2. Make DC power (DC 5V) and use it as the power of controller (2). Here, the bridge diode BD 2 of the second rectifying and smoothing unit 3a is used to supply power to the normal controller 2 even when the polarity of the communication line is changed.

그리고 신호를 송신할 경우에는 제1, 제2마이콤(5,5a)의 출력포트(S0port)에서 제2도와 같은 신호파형을 제1, 제2송신부(6,6a)를 통해 각각 출력하여 통신선로를 통해 통신한다.When the signal is transmitted, the signal waveforms as shown in FIG. 2 are output through the first and second transmitters 6 and 6a at the output ports S 0 ports of the first and second microcomputers 5 and 5a, respectively. Communicate through communication lines.

제2도와 같은 신호파형은 제1,제2마이콤(5,5a)의 제1,제2수신부(7,7a)를 통해 입력포트(S1, port)에서 입력된다. 이때 제너다이오드(ZD1,ZD2)에 의해 5V로 클램핑 (Clamping)된다.The signal waveform as shown in FIG. 2 is input from the input port S 1 through the first and second receivers 7 and 7a of the first and second microcomputers 5 and 5a. At this time, clamping is performed at 5V by the zener diodes ZD 1 and ZD 2 .

또한, 송수신 중에도 커패시터(C5)에 의해 평활됨으로써, 레귤레이터(IC 7805)의 출력은 콘트롤러 (2)의 전원전압(5V)을 유지하며, 메인시스템(1)은 신호 송신중에는 신호를 수신하지 못하고, 신호 수신 중에도 신호를 송신하지 못한다. 이는 콘트롤러(2)도 마찬가지이다. 왜냐하면 자기 송신신호가 피드백(Feed back)되어 입력되므로 신호를 수신해서는 안되기 때문이다.In addition, since the capacitor C 5 is smoothed during transmission and reception, the output of the regulator IC 7805 maintains the power supply voltage 5V of the controller 2, and the main system 1 cannot receive a signal during signal transmission. Even when receiving a signal, the signal cannot be transmitted. The same applies to the controller 2. This is because the self-transmitted signal is fed back and should not be received.

그리고, 메인시스템(1), 콘트롤러(2) 어느쪽에서도 먼저 신호를 송신할 수 있으며 메인시스템(1)과 콘트롤러(2)의 제1, 제2마이콤(5,5a)에서 출력포트(S0port)는 일반 출력포트를 사용하나 입력포트(S1port)는 익스터널 인터룹트 포트(EXTERNAL INTERRUPT PORT)를 사용한다.In addition, the main system 1 and the controller 2 can transmit a signal first, and the output ports S 0 port at the first and second microcomputers 5 and 5a of the main system 1 and the controller 2. ) is a single input port using a common output port (port S 1) uses the inter rupteu IX tunnel port (pORT EXTERNAL INTERRUPT).

이와같은 본 발명의 2선식 유선 리모콘 통신장치의 송수신 동작은 제3도 및 제4도와 같다.Such a transmission and reception operation of the two-wire wired remote control device of the present invention is the same as FIG. 3 and FIG.

즉, 신호송신 방법은 제3도와 같이 제1, 제2마이콤(5.5a)이 신호수신을 완료하여 그 신호를 해독하고 응답신호를 송신한후 수신 인터룹트를 금지시킨다.That is, in the signal transmission method, as shown in FIG. 3, the first and second microcomputers 5.5a complete the reception of the signal, decode the signal, transmit the response signal, and prohibit reception inter-routing.

그리고 신호수신은 제4도와 같이 제1, 제2마이콤(5,5a)이 입력신호가 스타트 비트일 경우 데이타를 수신하고 송신을 금지시킨다.And signal reception, as shown in FIG. 4, the first and second microcomputers 5 and 5a receive data and prohibit transmission when the input signal is a start bit.

이상에서 설명한 바와 같이 본 발명의 2선식 유선 리모콘 통신장치에 있어서는 통신선로를 간단하게 구성할 수 있고, 하드웨어 구성이 간단하고 경제적이며 통신선로의 극성이 없기 때문에 설치가 용이하다.As described above, in the two-wire wired remote control communication apparatus of the present invention, the communication line can be simply configured, and the hardware configuration is simple and economical, and the installation is easy because there is no polarity of the communication line.

Claims (5)

교류전원을 정류하고 평활하여 직류전원을 출력하는 제1정류 및 평활부(3)와, 제1정류 및 평활부(3)의 직류전원을 통신전원으로 변환하여 출력하는 제1레귤레이터부(4)와, 제품을 콘트롤하는 제1마이콤(5)과, 제1마이콤(5)의 일정 송신신호출력에 따라 전원선을 통해 송신신호를 전송하는 제1송신부(6)와, 전원선을 통해 수신되는 전송신호를 일정전압으로 제한하여 상기 제1마이콤(5)으로 입력하여 주는 제1수신부(7)로 이루어진 메인시스템(1)과, 상기 메인시스템(1)의 출력전원을 정류 및 평활하는 제2정류 및 평활부(3a)와, 제2정류 및 평활부(3a)의 출력전원을 콘트롤러(2)이 전원으로 변환하는 제2레귤레이터부(4a)와, 메인시스템(1)을 제어하기 위한 제어신호를 송수신하는 제2마이콤(5a)와, 제1마이콤(5a)의 일정송신신호 출력에 따라 전원선을 통해 송신신호를 전송하는 제2송신부(6a)과, 전원선을 통해 수신되는 전송신호를 일정전압으로 제한하여 상기 제2마이콤(5a)으로 입력하여 주는 제2수신부(7a)로 이루어진 콘트롤러(2)를 구비하여 된 것을 특징으로 하는 2선식 유선 리모콘 통신장치.A first rectifying and smoothing unit 3 for rectifying and smoothing AC power to output a DC power, and a first regulator unit 4 for converting and outputting DC power of the first rectifying and smoothing unit 3 to communication power. And a first microcomputer 5 for controlling a product, a first transmitter 6 for transmitting a transmission signal through a power line in accordance with a constant transmission signal output of the first microcom 5, and received through a power line. A main system 1 comprising a first receiver 7 for limiting a transmission signal to a predetermined voltage and inputting the first signal to the first microcomputer 5; and a second rectifying and smoothing the output power of the main system 1; Control for controlling the rectifying and smoothing unit 3a, the second regulator unit 4a for converting the output power of the second rectifying and smoothing unit 3a into power, and the main system 1. The transmission signal is transmitted through the power supply line according to the output of the constant transmission signal of the second microcom 5a and the first microcom 5a that transmit and receive signals. The controller 2 includes a second transmitter 6a for transmission and a second receiver 7a for limiting the transmission signal received through the power line to a predetermined voltage and inputting the second signal to the second microcom 5a. Two-wire wired remote control communication device characterized in that. 제1항에 있어서, 제2정류 및 평활부(3a)는 통신선로의 극성에 바뀌더라도 콘트롤러(2)의 전원을 공급할 수 있도록 브릿지 다이오드로 정류함을 특징으로 하는 2선식 유선 리모콘 통신장치.2. The two-wire wired remote control device according to claim 1, wherein the second rectifying and smoothing unit (3a) is rectified by a bridge diode so as to supply power to the controller (2) even when the polarity of the communication line changes. 제1항에 있어서, 제1, 제2수신부(7,7a)는 수신신호를 제너다이오드를 통해 일전전압으로 클램프시킴을 특징으로 하는 2선식 유선 리모콘 통신장치.The two-wire wired remote control device according to claim 1, wherein the first and second receivers (7, 7a) clamp the received signal to a single voltage through a zener diode. 제1항에 있어서, 입력포트는 익스터널 인터룹트 포트를 사용함을 특징으로 하는 2선식 유선 리모콘 통신장치.The two-wire wired remote control device as claimed in claim 1, wherein the input port uses an external interroute port. 제1항에 있어서, 제1,제2마이콤(5,5a)은 신호송신중에는 신호수신인터룹트를 금지하고, 신호수신 중에도 신호송신을 금지함을 특징으로 하는 2선식 유선 리모콘 통신장치.2. A two-wire wired remote control device according to claim 1, wherein the first and second microcomputers (5, 5a) prohibit signal reception interconnection during signal transmission and prohibit signal transmission during signal reception.
KR1019920022850A 1992-11-30 1992-11-30 Wire remote controller communication device KR960002838B1 (en)

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KR1019920022850A KR960002838B1 (en) 1992-11-30 1992-11-30 Wire remote controller communication device

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KR960002838B1 true KR960002838B1 (en) 1996-02-26

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