KR100921236B1 - data transmission system and transmission method - Google Patents

Abstract

The present invention relates to a data transmission system and a transmission method, comprising the steps of integrating data in a customer through a power line in a slave transmission device and transferring the signal to one or more lines selected from a rough line, a neutral line, and a processing ground line through a signal coupling device. And integrating one or more data signals transmitted through one or more lines selected from the bare wire, the neutral wire, and the processing ground wire, wherein the integrated data signal is transmitted to a higher server through a mobile communication network or a high speed communication network. do. According to the present invention, by providing a variety of value-added services, such as the control of equipment in the home and high-speed Internet, including remote meter reading of the electricity, water, gas, etc. of the customer by using the jogak, neutral and overhead lines installed in the pole of the distribution system do.

Neutral wire, overhead wire, barbed wire, data transmission, signal coupling device, ground coil

Description

Data transmission system and transmission method

The present invention relates to a data transmission system and a transmission method for providing a variety of additional services such as remote meter reading of electricity, water, gas, etc. of a consumer, home appliance control, and high-speed Internet using a coarse wire, a neutral wire, and a processing land line.

Most electricity, water, gas and other meter reading methods still rely on manpower reading, and various attempts are being made for remote meter reading systems using communication devices.

Among them, the remote meter reading system using power line communication transmits the meter reading data to the data transmission device installed in the periphery by using the incoming power line of the customer by mounting the power line communication module on the electronic electricity meter installed in the individual customer. The metering data is processed in accordance with the data format, and is transmitted to a remote meter reading server at a higher level using a mobile communication network or a high-speed communication network introduced into the data transmission apparatus.

As a result, current meter-based remote meter reading system has a separate limitation on each data transmitter installed in the substation to transfer the data collected from the customer to the higher server due to the technical limitation that the power line communication signal cannot pass through the transformer. A mobile communication network or a high speed communication network needs to be introduced, which causes a problem of excessive communication costs.

In addition, there is a risk factor such as an electric shock due to the use of a distribution line flowing high voltage and high current, there is a problem that the power line communication is also disconnected when the electricity supply is cut off due to the structure installed in the distribution system.

The present invention is to solve the problems of the prior art as described above through a variety of such as remote meter reading data such as electricity, water, gas, household equipment control and high-speed Internet through the barbed wire, neutral wire and processed land line hypothesized in Jeonju An object of the present invention is to provide a data transmission system and a transmission method for maximizing the efficiency of power line communication by transmitting additional service data to a higher server.

In order to achieve the above object, in the data transmission system and transmission method of the present invention, the current hypothesized by the distribution line for the remote meter reading of electricity, water, gas, etc. It maximizes the efficiency of power line communication by transmitting data using neutral wires, barbed wires and overhead wires.

In the present invention includes a slave transmission device for collecting one or more data through a power line, and comprises a signal combining device for combining the collected data to transmit to one or more lines selected from a rough line, a neutral line and a processing ground line, the signal It is preferable to include a master transmission device for transmitting the data transmitted by the coupling device to a higher server.

In the present invention, it is preferable to further include a ground coil coupled to the ground line of the bare wire, the neutral wire or the overhead processing line to prevent the loss of the power line signal.

In the present invention, the data collected through the power line preferably includes customer gas usage, water usage, power usage, in-device device control, and Internet additional service information.

In the present invention, the signal coupling device is preferably a non-contact type.

In the present invention, it is preferable that the data signal collected and integrated through the power line is transmitted to another communication line through one or more lines selected from a rough line, a neutral line, and an overhead line.

In the present invention, the metered data is collected in the slave transmission device through the power line and transmitted to the one or more lines selected from the rough line, the neutral line and the processing branch line through the signal coupling device, the selection of the rough line, neutral line and overhead line And integrating one or more data signals transmitted through one or more lines, wherein the integrated data signals are transmitted to a higher server through a master transmitter.

In the present invention, it is preferable that the loss of the data signal is prevented by the ground coil connected to the ground wire of the bare wire, the neutral wire, or the overhead branch wire.

According to the present invention, as the data signal is transmitted by using the bare wire, the neutral wire, and the overhead wire, the risk of electric shock due to high voltage and high current is prevented, and the power line communication quality and transmission distance can be improved by using a ground coil. .

In addition, between the slave transmitter and the master transmitter, data is transmitted using a coarse wire, a neutral wire, and a processing ground wire, and since only the master transmitter is connected to a mobile communication network and a high-speed communication network, it is unnecessary to introduce a communication line to each slave transmission device. Therefore, it is possible to reduce the cost of using the communication network and to reduce the cost of equipment installation due to the simplified function of the data transmission device.

In addition, since the use of the bare wire, the neutral wire and the processed ground wire reduces the noise introduced from the outside than the power line, the power line communication quality is improved.

In addition, remote meter reading of various energy used by customers, monitoring operation status of power distribution transformer, network configuration to monitor operation status and abnormality of switch according to load, and sensor network configuration of equipment and distribution system in home There is an effect that can be used to configure the network for control and status monitoring.

Preferred embodiments of the present invention will be described with reference to the accompanying drawings. In adding reference numerals to components of the following drawings, it is determined that the same components have the same reference numerals as much as possible even if displayed on different drawings, and it is determined that they may unnecessarily obscure the subject matter of the present invention. Detailed descriptions of well-known functions and configurations will be omitted.

1 is a block diagram showing a data transmission system according to an embodiment of the present invention.

Referring to FIG. 1, a customer 100, a slave transmitter 110, a master transmitter 120, and an upper server 130 are included.

After installing the power line communication module combining the RF and infrared communication unit inside the electronic electricity meter installed in the customer 100, the electricity, water and gas consumption are collected from each meter. The collected metering data such as electricity, gas, and water are collectively transmitted to the slave transmitter 110 through power line communication.

The slave transmitter 110 integrates data such as electricity, gas, and water received by the power line communication into one, and uses the wire having almost no voltage and current, such as a rough wire, a neutral wire, and a processed ground wire, to the master transmitter 120. To send).

At this time, the data is coupled to the master transmission device 120 by the signal coupling device installed on the barbed wire, the neutral wire and the processing branch line.

The master transmitter 120 integrates the data received by the one or more slave transmitters 110 and transmits the data to a higher server 130 at a remote location using a backbone network such as a high-speed communication network or a mobile communication network.

In addition, in order to use a high-speed Internet in the home, a separate power line communication modem for a terminal may be installed to transmit a signal of a PC to the power line communication modem, and the slave transmission device 110, the master transmission device 120, and the high speed communication network or The Internet can be used by transmitting to a higher server 130 through a backbone network such as a mobile communication network.

2 is a diagram illustrating a data transmission system according to one embodiment of the present invention.

Referring to FIG. 2, a power meter 200, a lead wire 210, a stool pole 220, a slave transmission device 110, a processing ground wire 230, a neutral wire 240, a clam wire 250, a ground coil integrated signal coupling Apparatus 260, signal combiner 270, master transmitter 120 and host server 130.

The electricity meter 200 is installed in the customer and is equipped with a power line communication module including an RF and an infrared communication unit therein to collect reading data such as gas, water, and power usage, and a lead wire 210 for supplying electricity to the customer. It transmits to the slave transmitter 110 through.

The power line communication modem mounted on the slave transmission device 110 is connected to the signal coupling device installed on the coarse wire 250, the neutral wire 240, and the processing branch wire 230 by using a coaxial cable. Transmit data signals such as usage.

At this time, the ground coil integrated signal coupling device 260 is used for poles where the concave wire, the neutral wire, and the processing ground wire are connected to the ground wire, and the signal coupling device 270 is selectively used when the medium that is not grounded is used. Can be used.

The ground coil integrated signal coupling device 260 includes a ground coil and a signal coupling device.

The ground coils are ground and ground at predetermined distances of the ridge line 250, the neutral wire 240, and the processing ground line 230 at predetermined distances of the stool column 220, thereby passing through the pole where the data signal is grounded. Prevent leakage to earth.

In addition, the ground coil may be used separately from the grounding coil integrated signal coupling device 260, and prevents a high frequency signal such as a data signal from leaking to the ground, and a low frequency signal such as a lightning strike leaks into the ground, Improves stability.

In addition, the grounding coil may be installed in an integrated type and a separate type according to the method of using the wire. For more details, refer to FIGS. 3 and 4 below.

The signal coupling device connected to the master transmission device 120 separates and transmits the data signals applied to the rough wire 250, the neutral wire 240, and the processing branch wire 230 to the master transmission device 120. The data signal of the master transmitter 120 is transmitted to the upper server 130 through a high speed communication network or a mobile communication network.

3 is a diagram illustrating a data transmission system using a neutral wire according to an exemplary embodiment of the present invention. For convenience of installation, the signal coupling device 310 and the ground coil 320 are connected to the ground wire 300 at the ground wire inlet of the circumference. The built-in ground coil integrated signal coupling device 260 may be installed to improve communication quality.

4 is a view showing a data transmission system using a concave wire according to an embodiment of the present invention, wherein the non-contact signal coupling device is installed in such a manner as to surround the concave wire using a non-contact signal coupling device, and the grounding coil is disposed in a separate type. It can be installed in conjunction with the ground wire of.

5 is a flowchart illustrating a data transmission method according to an embodiment of the present invention.

Referring to FIG. 5, in the step of collecting lower data (S500), various data such as electricity, gas, water, and internet additional services of each customer are collected by a slave transmission apparatus using a power line.

In step S510, the data collected by the slave transmission device is transmitted to one or more selected ones of the bare wires, neutral wires and overhead wires through a signal coupling device, and the bare wires, neutral wires and overhead wires are transmitted. Data transmitted through one or more wires selected from the neutral wire and the overhead line is transmitted to the master transmission device through the signal coupling device.

At this time, according to the installation site further provided with a grounding coil connected to the ground line of the ridge line where the rough line, the neutral line and the processing ground line is installed to pass a high frequency signal such as power line signal, low-frequency signal such as lightning strike through the ground line Leakage improves power line communication quality and stability of power equipment.

In the step of integrating one or more data (S520), data transmitted from one or more slaves through the coarse wire, the neutral wire, and the processing ground are integrated in a master transmission device and transmitted to a higher server using a backbone network such as a mobile communication network or a high-speed communication network. S530).

6 is a view showing a grounding coil according to another embodiment of the present invention.

Referring to FIG. 6, the ground coil 320 is connected to the ground wire inlet 600 of the circumference, and the ground coil 320 is formed inside the impregnation case 610 impregnated with epoxy, and a 600V vinyl wire. (320) 22mm ² is connected to the ground wire inlet and is formed to surround the ground coil.

The grounding coil connected to the grounding wire of the grounding wire inlet 600 may be connected to the grounding rod embedded in the ground according to the installation environment.

In addition, the ground coil 320 is formed by winding a reactance component to improve signal stability.

As described above, it has been described with reference to a preferred embodiment of the present invention, but those skilled in the art various modifications and changes of the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

1 is a block diagram showing a data transmission system according to an embodiment of the present invention.

2 illustrates a data transmission system according to an embodiment of the present invention.

3 is a view showing a data transmission system using a neutral wire according to an embodiment of the present invention.

Figure 4 is a data transmission system using a crude line according to an embodiment of the present invention.

5 is a flowchart illustrating a data transmission method according to an embodiment of the present invention.

6 is a view showing a grounding coil according to another embodiment of the present invention.

         <Description of the symbols for the main parts of the drawings>

100: customer 110: slave transmission device

120: master transmission device 130: upper server

200: power meter 210: lead wire

220: displaced column 230: processing ground

240: neutral wire 250: barbed wire

260: grounding coil integrated signal coupling device 270, 310: signal coupling device

300: ground wire 320: ground coil 600: ground wire inlet 610: impregnation case 620: vinyl wire

Claims (9)

A slave transmitter in which one or more data are collected through the power line; A signal coupling device coupled to one or more wires selected from a cladding line, a neutral line, and a processing branch line in a non-contact manner and transmitting data collected by the slave transmission device; And And a master transmitter for transmitting data transmitted by the signal combiner to a higher server. The method of claim 1, And a ground coil coupled to the ground line of the bare wire, the neutral wire, or the overhead line to prevent loss of the power line signal. The method of claim 1, Data collected through the power line is a data transmission system, characterized in that it includes the gas consumption, water consumption, power usage, in-device device control and Internet additional service information of the customer. delete And a data signal collected and integrated through a power line is transmitted to another communication line through one or more lines selected from a rough line, a neutral line, and an overhead line. The metered data is collected by the slave transmission device through the power line and transferred to the at least one line selected from the bare wire, the neutral wire, and the overhead line through the contactless signal coupling device; Integrating one or more data signals transmitted through one or more lines selected from the clad line, the neutral line, and the processing line line; And And transmitting the integrated data signal to a higher server through a master transmitter. delete The method of claim 6, The data collected through the power line includes a gas usage, water consumption, power usage, in-device device control and Internet additional service information of the customer. The method of claim 6, The loss of the data signal is prevented by the ground coil connected to the ground line of the barbed wire, neutral wire or overhead wire.

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