KR20000028190A - Television for controlling electronic appliances using power line communication - Google Patents

Abstract

PURPOSE: A television for controlling electronic appliances using power line communication is provided to control each electronic appliance as by observing the electronic appliance sharing a power line with TV. CONSTITUTION: TV controls electronic appliances by using power line communication observing/controlling each electronic appliance, by using a remote controller. The TV receives a broadcasting signal by control of a micom(20), outputs a video signal and an audio signal to a monitor and a speaker by detecting/demodulating the video/the audio signal, and observes/controls each electronic appliance sharing a power line by using TV having an OSD(On Screen Display) function, with power line communication. The TV comprises a line matcher(100) and a modulator/demodulator(90). The line matcher performs a line matching with the power line to perform the power line communication, through the power line supplied with driving power supply of TV. The modulator/demodulator demodulates modulated data from the line matcher, outputs to the micom, demodulates control data of the micom for the power line communication, and applies to the line matcher. The micom controls each electronic appliance allocated with a specific number by operating a key, or generates the control data for identifying the driving state, and displays the driving state of each electronic appliance as OSD functions, according to the specific numbers by status data of the modulator/demodulator.

Description

Television having home automation function using power cable comunication

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a television capable of controlling electronic products using power line communication, and more particularly, to a television capable of controlling electronic products using power line communication for monitoring and controlling each electronic product in a home using a remote control of a television. will be.

In general, a television is a device capable of receiving and processing a broadcast signal, as shown in FIG.

As shown in the figure, the television tunes the radio frequency signal received through the antenna ANT from the airwaves, and tuner unit 50 for extracting only the frequency band of the channel selected by the user, and the local oscillation signal to be input. Accordingly, the IF detector 60 detects an intermediate frequency in the frequency band signal of the channel tuned through the tuner unit 50, and the image intermediate frequency signal PIF from the signal output from the IF detector 60. Voice detection for separating voice signal S from P / S separation unit 70 for separating voice intermediate frequency signal SIF and voice intermediate frequency signal SIF output from the P / S separation unit 70. An image detector 110 for separating the image signal P from the image intermediate frequency signal PIF output from the P / S separator 80, the audio detector 80, and The audio signal S output from the external device 150 is selected according to the input control signal and then demodulated. A predetermined signal is selected according to a selection signal input from the audio processing unit 90 to be output to the outside through the speaker 100 and the image signal P output from the image detector 110 and the external device 150. After the separation of the luminance signal and the color signal, extracts each color band from the color signal, demodulates it and transmits it to the CRT driver, and outputs a signal corresponding to the input operation control signal to the image processor 120 OSD (On Screen Display) unit 130 to overlap the predetermined information on the CRT (140) screen, and various operating modes (tuning, volume control, screen control, external device mode switching, etc.) of the television A key panel 10 for selecting a controller, a remote controller 20 for remotely controlling various operation modes of the television, and a remote controller key signal for receiving a signal output from the remote controller 20 and outputting a signal accordingly; An input unit 30 and a microcomputer 40 for controlling the overall operation of the television by controlling the corresponding component in accordance with the signal output from the key panel 10 or the remote control key signal input unit 30.

Looking at the operation of the television in more detail, when a user selects a channel on which a quiz program or a voice multiplex program is broadcast using the key panel 10 or the remote controller 20, the microcomputer 40 is a channel on which a quiz program is broadcast. The tuner unit 50 outputs a tuning voltage corresponding to the tuner unit 50 to tune a channel on which a quiz program or a voice multiplex program is broadcast.

As described above, the quiz program broadcast channel tuned by the tuner unit 50 detects an intermediate frequency from the broadcast signal while passing through the IF detector 60, and passes through the P / S separation unit 70. (SIF) and the image intermediate frequency signal (PIF) are separated.

The voice intermediate frequency signal SIF output from the P / S separation unit 70 passes through the voice detector 80 and the voice signal S is detected, and the voice processor 90 undergoes a predetermined process. The image intermediate frequency signal PIF output through the speaker 100 and output from the P / S separation unit 70 passes through the image detector 34 to detect the image signal P, thereby performing the image processing unit 120. ) Is output to the CRT 140 through a predetermined process.

In addition, such TVs are equipped with various electronic products such as lighting devices and video phones at home, and viewers are required to control the on / off switch of the various electronic products described above while watching TV at home. There was an uncomfortable problem such as moving to a place where home appliances are located and controlling it.

On the other hand, recently, home automation devices have been developed that enable centralized control of various home appliances, curtain opening, gas valve opening and closing control, and the like.

Such home automation devices typically control each electronic product from a single control device through a separate control line, or each electronic product is equipped with an infrared receiver and a one-way switch to control each electronic product with a remote control for central control. When remotely controlled by an infrared signal, each electronic product performs on / off drive control of each electronic product by a switch control by infrared reception, but these conventional home automation devices have to be purchased separately by the user, and the cost In addition, there were a number of problems, and even in remote control using infrared signals, the user who was watching the TV had to match the direction of a separate remote control for home automation control to the place where the infrared receiver of each electronic product was located. The inconvenience of having to control the operation of Still remained.

On the other hand, each of these electronic products is driven by receiving a predetermined AC power (110 / 220V) through a power line connected to each room of the home, thus controlling each electronic product using a power line shared by each of these electronic products If the above-mentioned television is used as the central control unit, the operation of each electronic product is controlled by the remote control of the television, and the home automation function can be provided at a lower cost by providing convenience to the television viewer at a lower cost by monitoring the operation state through the monitor of the television. It can be done.

Accordingly, in the present invention, as described above, the television is one of the most frequently used electronic products in each home, and the TV has been sought to control other electronic products used in each home.

Disclosure of Invention The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to use power line communication to control driving of various electronic products provided at home and to monitor driving state by using power line communication in a television. To provide a television capable of controlling electronics.

1 is a block diagram of a typical typical television.

2 is a conceptual diagram of controlling the driving of an electronic product to a television through a power line according to the present invention;

3 is a block diagram of a television and an electronic product capable of controlling the electronic product using power line communication according to the present invention.

<Explanation of symbols for main parts of drawing>

1: TV

10: key input unit 20: microcomputer

30: tuner unit 40: video signal processing unit

50: OSD 60: Monitor

70: audio signal processor 80: monitor

90: variation demodulation unit 100: line matching unit

2: electronic products

110: line matching unit 120: variation demodulation unit

130 control unit 140 driving unit

A television capable of controlling electronic products using power line communication according to the present invention monitors a processed video signal and an audio signal by receiving a broadcast signal under the control of a microcomputer, separately detecting and demodulating the video signal and an audio signal, and A device for monitoring and controlling each electronic product that shares a power line by using a television having an OSD function and outputs through a speaker, and performs a power line communication through a power line supplied with driving power of a television. Demodulate the modulated state data from the line matcher 100 and the line matcher 100 to be matched to the microcomputer, and demodulate the control data from the microcomputer for power line communication. Further comprising a modulation and demodulation unit 90 for applying to the line matching unit 100, The microcomputer generates the control data for driving control or confirming the driving state of each of the electronic products to which each unique number is assigned based on the user's key operation, and for each unique number based on the state data from the modulation / demodulation unit 90. It is characterized in that for controlling the display of the driving state of each electronic product by the OSD function.

In addition, the electronic product demodulates and outputs the line matching unit 110 for performing communication through a power line shared with the television, and the control data applied from the line matching unit 110 for power line communication. The modulation / demodulation unit 120 controls the driving of the electronic product based on the control data from the modulation / demodulation unit 120, and modulates and outputs the state data. It characterized in that it comprises a control unit 130 to output to.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a conceptual diagram of the present invention, in which a television 1 is connected to each electronic product 2 sharing a power line through a power line, and each such electronic product 2 is driven and controlled through the television 1; , Detection control.

FIG. 3 is a schematic block diagram of a television and an electronic product that can control electronic products using power line communication according to the present invention. The television 1 includes a key input unit 10, a microcomputer 20, and a tuner unit 30. , An image signal processing unit 40, an OSD unit 50, a monitor 60, an audio signal processing unit 70, a speaker 80, a modulation / demodulation unit 90, and a line matching unit 100, and each electronic product. (2) comprises a line matching unit 110, a modulation and demodulation unit 120, a control unit 130 and a drive unit.

In this configuration, the key input unit 10 of the television 1 is an input means for performing the operation of the television, and is provided with a plurality of keys for performing the operation of the television to provide a key signal corresponding to the user's key operation. A key signal corresponding to a key operation of the remote controller is transmitted by using a remote controller that can be controlled remotely, and is transmitted to the infrared carrier, and the received infrared signal is amplified and detected by the microcomputer 20. Is authorized.

The microcomputer 20 is a means for controlling the overall operation of the television based on the key signal from the key input section 10. The microcomputer 20 controls each component based on the key signal from the key input section 10 to control the operation of the television. In particular, the modulation and demodulation unit generates control data for driving on / off control together with a unique number assigned to the electronic product based on a predetermined key signal for operating various electronic products from the key input unit 10 ( 90), and when a predetermined key signal for checking the operation status of each electronic product from the key input unit 10 is applied, the predetermined data for checking the operation state is generated and applied to the modulation / demodulation unit 90, and the modulation / demodulation unit On the basis of the driving state data of each electronic product applied from 90, the driving state of each electronic product for each unique number is controlled by the OSD unit 50 to share a power line such as a display Drives control and monitoring and control via the power line for each electronic product.

In addition, the tuner 30 outputs a broadcast signal received by being tuned to a channel corresponding to the control of the microcomputer 20.

Meanwhile, the image signal processor 40 separately detects the image signal PIF from the broadcast signal received from the tuner unit 30, processes the image signal PIF into a displayable signal, and outputs the signal to the OSD unit 50.

In addition, the OSD (on screen display) unit 50 is a means for expressing a character on a television screen, and reads a character font corresponding to the control of the microcomputer 20 to form a character signal, and the configured character signal to the image signal The synthesizer outputs the synthesized video signal from the processing unit 40 or the synthesized blue signal to the monitor 60.

In addition, the audio signal processor 70 detects the demodulated and amplified audio signal SIF from a broadcast signal applied from the tuner 30 under the control of the microcomputer 20, and outputs the demodulated and amplified signal to the speaker 80.

Meanwhile, the modulation and demodulation unit 90 modulates and outputs data from the microcomputer 20 for power line communication into a signal for power line communication, and the modulated signal is loaded on the power line via the line matching unit 100 to each electronic product. The data transmitted from each electronic product is demodulated to the original signal by the modulation and demodulation unit 90 through the line matching unit 100 and applied to the microcomputer 20.

On the other hand, the line matching unit 110 of each electronic product 2 performs a function for interfacing the power line and each electronic product 2 to perform power line communication using the power line shared with the television 1, The demodulation unit 120 demodulates the control data applied from the line matching unit 110 to an original signal and applies the demodulation unit 120 to the control unit 130 of an electronic product, which will be described later, or transmits driving state data from the control unit 130 to power line communication. The signal is modulated into a suitable signal and transmitted to the television 1 through the line matching unit 110.

In addition, the controller 130 controls the overall operation of the electronic product 2, and in particular, the control data applied from the modulation / demodulation unit 120 includes a unique number assigned thereto, and the data for controlling the operation of the electronic product. The controller controls the driving unit 140 to be described later based on the applied control data, and if the control data applied from the modulation / demodulation unit 120 is data for checking the driving state of the electronic product, the data indicating the driving state is uniquely assigned to itself. Configured with the number is applied to the modulation and demodulation unit (120).

On the other hand, the driving unit 140 is a means for driving the electronic product, under the control of the control unit 130, when the electronic product is a lighting device such as an incandescent lamp or a fluorescent lamp, a predetermined AC power incandescent lamp applied through a power line (not shown) A switching drive for applying to a fluorescent lamp is performed, and in the case of an electronic product for opening or closing a curtain or a gas valve, the actuator (for example, a motor) for opening or closing a curtain or a gas valve is controlled.

Next, the operation process of the television which can control electronic products using the power line communication which concerns on this invention which has the above-mentioned structure is demonstrated in detail.

First, when a viewer operates a predetermined key provided in the key input unit 10 to turn on the television 1 and selects a predetermined channel, the microcomputer 20 controls the tuner unit 30 to select a channel selected by the user. By receiving the broadcast signal through the video signal processor 40 and the audio signal processor 70 and outputs the processed video and audio signals through the monitor 60 and the speaker 80, respectively, so that the user You will be able to watch the selected television broadcast.

Meanwhile, at this time, the user manipulates a predetermined key provided in the remote controller, that is, the key input unit 10, to control various electronic products 2 provided in each home, for example, a lighting device, a curtain, a gas valve, a video phone, and the like. By controlling the driving on / off of the electronic product.

Then, the microcomputer 20 of the television 1 receives a key signal for driving on / off of the electronic product through the key input unit 10, and the microcomputer 20 receives the key signal applied from the key input unit 10. The control data for driving control is applied to the demodulation and demodulation unit 90 by including the unique number of the electronic product corresponding to

Then, the modulation and demodulation unit 90 modulates the control data received from the microcomputer 20 into a signal suitable for power line communication, and applies the power to the power line through the line matching unit 100. It serves as an interface such as impedance matching of a power line and a television through which a power source (AC 110 / 220V) flows.

Next, the control unit 130 of each electronic product 2 receives the control data applied through the power line through the line matching unit 110 and the modulation and demodulation unit 120, and the received data is uniquely assigned to it. If the number has a number, the controller 130 controls the driver 140 based on the control data.

That is, the television viewer can easily control the operation of each electronic product provided in the home by operating the remote control of the television while watching the television.

On the other hand, when the user operates the remote control of the television, i.e., a predetermined key provided in the key input unit 10, in order to confirm the driving state of each electronic product 2, the control data for confirming the driving state of the electronic product is detailed. The control unit 130 of the electronic product 2 is applied in the same manner as in one process, and each control unit 130 generates state data indicating a current driving state, including a unique number assigned to the electronic product 2, to thereby modulate and demodulate the unit 120. To be applied.

Then, the state data from the modulation and demodulation unit 120 of the electronic product 2 is transferred back to the microcomputer 20 of the television 1, in which the microcomputer 20 uses the unique number and operation state included in the state data. By controlling the operation state of each electronic product 2 by the OSD unit 50 is controlled to be displayed on the monitor 60 in a predetermined text screen.

Therefore, the user can easily check the current operating state of each electronic product 2 through the monitor 60 of the television 1.

On the other hand, although not shown in the above-described electronic product (2), it is possible to design as a module by adding a receiver that can receive the IR (infrared) signal of the television remote control, if not using a television The remote control may be used to directly control electronic products without performing power line communication. Also, an IR receiver and a liquid crystal display may be provided on the remote control of the television, and an IR transmitter may be provided on each electronic product to control the driving state of each electronic product. It will be appreciated that various changes and modifications can be made without departing from the spirit and scope of the present invention.

As described above, according to the present invention, it is possible to control and control each electronic product while watching TV by using power line communication for each electronic product in the home that shares the power line with the television using the television as a central control device. There is an effect that can provide convenience.

Claims (2)

Under the control of the microcomputer 20, a broadcast signal is received, the video signal and the audio signal are separately detected and demodulated, and the processed video and audio signals are output to a monitor and a speaker. An apparatus for monitoring and controlling each shared electronic product by power line communication, A line matching unit 100 for performing line matching with the power line to perform power line communication through a power line supplied with driving power of the television; The line matching unit 100 demodulates the modulated state data from the line matching unit 100 and outputs the demodulated state data to the microcomputer 20, and demodulates the control data from the microcomputer 20 for power line communication. Further comprising a modulation and demodulation unit 90, The microcomputer 20 generates the control data for driving control or confirming the driving state of each of the electronic products to which each unique number is assigned based on a user's key operation and based on the state data from the modulation / demodulation unit 90. And display and control the driving state of each electronic product by the unique number by the OSD function. The electronic device of claim 1, further comprising: a line matching unit (110) for performing communication via a power line shared with a television; A modulation / demodulation unit (120) for demodulating and outputting the control data applied from the line matching unit (110) for power line communication, and modulating and outputting the applied state data; And a control unit 130 for controlling the driving of the electronic product based on the control data from the modulation and demodulation unit 120 and outputting state data indicating a current driving state to the modulation and demodulation unit 120. A television that can control electronics using telecommunications.