KR101038573B1 - home network system by using PLC - Google Patents

Abstract

A home network system using a power line communication method according to the present invention is a home network system comprising a plurality of home appliances constituting a home network and a server connected to the home appliances through a wired or wireless interface, And a built-in power line communication (PLC) modem is installed in the computer to form a PLC local network to monitor and control a plurality of home appliances constituting the home network. do.

According to the present invention, a built-in PLC modem is installed in a computer such as a PC or a notebook computer, and a PLC modem control program is provided. Thus, a PLC home network system can be constructed at low cost using an existing PC, In addition, it is possible to minimize the installation cost of the modem by replacing the power supply part of the PLC modem with the power supply part of the computer, and it is possible to access the home network from the remote place even when the computer is turned off using the wake- There is an advantage that it can be.

Description

Home network system using power line communication method {home network system by using PLC}

1 is a block diagram illustrating a configuration of a home network system using a power line communication method according to the present invention;

2 is a block diagram briefly showing a configuration inside the computer shown in Fig.

Description of the Related Art

10: Computer 12: Built-in PLC modem

13: Power supply power section 14: Home appliance

16: WAN

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a home network system using a power line communication method, and more particularly to a home network system in which a server of a home network system is constituted by a computer such as a PC and the built- Line Communication (PLC) refers to a communication technology that transmits voice, text data, video, etc. through an electrical outlet, that is, a high-speed Internet and a telephone connection can be made only by a power line.

This is a technology that can be used in various fields such as broadband Internet communication, Internet phone, home networking, and home banking, and has advantages of not only low installation cost but also low communication fee because existing optical communication cable can be used.

For example, according to the power line communication, home appliances in a home can be remotely controlled using the Internet. That is, the PLC is an important part in the construction of a home network system.

In the conventional case, the refrigerator and the videophone are responsible for the server role of the PLC home network.

However, these home appliances are disadvantageous in that the display is small and inconvenient to use because the installation place is limited to a kitchen or a porch.

Further, in order to use a separate network (LAN) for remote control, there is a problem that a PC structure must be additionally mounted on the household appliances.

In the present invention, a built-in PLC modem is installed in a computer such as a PC or a notebook computer to perform a home network server function using a large display through a computer monitor or a TV monitor when the computer is connected to a TV. A home network system using a power line communication system capable of constructing a PLC home network system at a low cost by providing a modem control program and the like.

In order to achieve the above object, a home network system using a power line communication method according to the present invention is a home network system comprising a plurality of home appliances constituting a home network and a server connected to the home appliances through a wired or wireless interface , The server is made up of a computer such as a PC or a notebook computer, and a built-in power line communication (PLC) modem is installed in the computer to form a PLC local network to monitor a plurality of home appliances constituting the home network , And a control box.

Here, the power supply unit of the built-in PLC modem is replaced with a power supply unit of the power supply included in the computer, and a voltage applied to the inside of the computer by adjusting the input / output ratio of the transformer included in the power supply unit of the computer And a voltage of 12V is supplied to the built-in PLC modem.

In addition, the computer is provided with a LAN adapter, which is connected to a WAN (Wide Area Network) and can be connected to the outside through a network, so that the home appliances can be controlled remotely do.

Here, the computer includes a built-in PLC (Power Line Communication) modem; A wired interface unit connected to the built-in PLC modem to transmit a signal for controlling a home appliance connected by a PLC system under the control of the central processing unit; A LAN adapter connected to the WAN for remotely controlling the plurality of home appliances from the outside; A central processing unit for processing data transmitted from the external network or the wired interface; A first memory unit for storing a control command of the central processing unit, and a second memory unit for storing an internal program of the computer, wherein the second memory unit includes a PLC protocol, a RDP, and a TCP / IP And the S / W supporting the protocol used in all the connected devices is stored.

In addition, the computer is configured to enable a home network access even when the computer is turned off using a wake-on-LAN.

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

1 is a block diagram illustrating a configuration of a home network system using a power line communication method according to the present invention. The present invention provides a built-in PLC modem in a computer such as a PC or a notebook computer to perform a home network server function using a large display such as a computer monitor or a TV monitor. The power source of the PLC modem controls the power And is used in place of a power supply of a power supply.

1, the present invention comprises a plurality of home appliances 14 constituting a home network and a computer 10 serving as a server apparatus connected to the home appliances through a wired or wireless interface.

Here, the computer as the server device may be a PC or a notebook computer generally used in the home, and a built-in PLC modem 12 is provided in the computer.                     

In particular, the present invention is characterized in that the power module of the built-in PLC modem is not separately provided but is replaced with a power module 13 of a power supply included in the computer.

That is, by adjusting the input-to-output ratio of a transformer (not shown) provided in the power supply power unit 13 of the computer, a voltage of 12V is applied to the embedded PLC modem 12 in addition to a voltage applied to a general computer .

As the built-in PLC modem uses the power cable and the transformer of the computer 10, the modem installation cost can be minimized as compared with the installation of the external PLC modem.

In addition, it is used to monitor and control a plurality of home appliances 14 constituting the home network by forming a PLC local network.

Here, the plurality of home appliances 14 are devices capable of controlling by a PLC (Power Line Communication) transmission method, and they can be applied to a broadcasting receiver, a storage and reproducing device, a game device, a living device, a PC related device, And a communication device.

Examples of the broadcast receiver include a digital TV, a digital monitor (especially when a computer connected to a digital monitor has a TV receiver), and the storage / playback device includes a CD and a DVD player, a video (VTR or VCR) , A recording and reproducing device, and the like, and the living convenience device is a medical, security, and living information related device, and a PC related device is a computer, a printer, and a scanner. There are TVs, washing machines, refrigerators, microwave ovens, gas oven ranges, electric rice cookers, and communication devices such as wired and wireless telephones and facsimiles. Other home appliances include camcorders and digital cameras.

That is, all the home appliances that can be controlled by the computer acting as the server through the PLC system can be applied thereto.

In addition, the computer serving as the server is configured to be capable of a wired / wireless data interface, manage home appliances through a wired / wireless network in the home, and be able to connect to the outside via a network, thereby remotely controlling the home appliances.

In order to remotely control the home appliances through the network connection with the outside, the computer 10 serving as the server is connected to a WAN (Wide Area Network) using a LAN adapter (e.g., RJ-45) (16).

In addition, the present invention is characterized in that the home network access is possible even when the computer 10 is turned off by using a wake-on-LAN.

In order to do this, a S / W that supports all protocols used for all connected devices such as PLC protocol and RDP and TCP / IP should be installed in the computer.

However, since the S / W takes a long time to search and initialize the PLC device, it is automatically executed at the time of booting the PC, and the standby state is maintained in the background.

This ensures that whenever a call is made, it will work immediately.                     

2 is a block diagram briefly showing a configuration inside the computer shown in Fig.

2, the computer 10 according to the present invention serving as a server of a home network includes a built-in PLC (Power Line Communication) modem 12 and a PLC (Power Line A wired interface unit 21 connected to the built-in PLC modem 12 to transmit a signal for controlling a home appliance connected in a communication mode; A LAN adapter unit 22 connected to the WAN 16 for remotely controlling the plurality of home appliances 14 from the outside; A central processing unit (24) for processing data transmitted from the external network or the wired interface; A first memory unit 23 for storing a control command of the central processing unit 24 and a second memory unit 25 for storing an internal program of the computer 14. In addition, A wireless interface unit 26 for transmitting a control signal to an appliance (for example, video, audio, TV or the like) capable of controlling the infrared system, the radio frequency system or the Bluetooth system under the control of the central processing unit 24, And a third memory unit 27 for storing necessary information among data transmitted through the wired interface unit 21 or the wireless data modem 22.

At this time, the first memory unit 23 is constituted by a volatile memory (for example, SDRAM (Synchronous DRAM) and the second memory unit 25 is constituted by a nonvolatile memory (for example, ROM or flash memory) , And the third memory unit 27 is constituted by a mass storage device (for example, a hard disk (HDD)).

In addition, the power supply unit of the built-in PLC modem 12 is not separately provided in the computer, and the power supply unit 13 of the power supply provided in the computer is replaced with the power supply unit 13. That is, A voltage of 12V is supplied to the built-in PLC modem 12 in addition to a voltage applied to a general computer by controlling an input-to-output winding ratio of a transformer (not shown).

According to the present invention, a built-in PLC modem is installed in a computer such as a PC or a notebook computer, and a PLC modem control program is provided. Thus, a PLC home network system can be constructed at low cost using an existing PC, The advantage of replacing the power supply of the PLC modem with the power supply of the computer is to minimize the installation cost of the modem.

In addition, since the multimedia function is relatively superior to a computer, a media streaming service can be performed using a home network, and it is easy to apply and easy to use because it is not limited by the installation location.

In addition, it is possible to use a wake-on-LAN to remotely access a home network even when the computer is turned off, thereby reducing power consumption.

Claims (7)

1. A home network system comprising a plurality of devices constituting a home network and a server connected to the device through a wired or wireless interface,     Wherein the server is provided with a built-in power line communication (PLC) modem to form a PLC local network to perform at least one monitoring or control of a plurality of devices constituting the home network, Wherein the power module of the built-in PLC modem is replaced with a power module of a power supply included in the server. delete Claim 3 has been abandoned due to the setting registration fee. The method according to claim 1, Wherein a voltage of 12V is supplied to the built-in PLC modem in addition to a voltage applied to the inside of the computer by adjusting an input-to-output ratio of a transformer provided in a power supply unit of the computer. . Claim 4 has been abandoned due to the setting registration fee. The method according to claim 1, The server, which is a server, is equipped with a LAN adapter, which is connected to a WAN (Wide Area Network) and can be connected to the outside via a network, thereby being able to remotely control the device. Home network system using. Claim 5 has been abandoned due to the setting registration fee. The method according to claim 1, The server computer includes a built-in PLC (Power Line Communication) modem; A wired interface unit connected to the built-in PLC modem to transmit a signal for controlling a device connected by a PLC system under the control of the central processing unit; A LAN adapter connected to the WAN for remotely controlling the plurality of devices from outside; A central processing unit for processing data transmitted from the external network or the wired interface; A first memory unit for storing a control command of the central processing unit, and a second memory unit for storing an internal program of the computer. Claim 6 has been abandoned due to the setting registration fee. 6. The method of claim 5, Wherein the second memory unit stores S / W that supports protocols used in all connected devices such as PLC protocol, RDP, and TCP / IP. Claim 7 has been abandoned due to the setting registration fee. 6. The method of claim 5, Wherein the computer is configured to enable a home network access even when the computer is turned off using a wake-on-LAN.

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