KR20150128307A - Smart sensor for monitoring power transmission line and system using thereof - Google Patents

Abstract

A smart sensor and a system for monitoring power transmission lines are disclosed. A smart sensor for monitoring a power transmission line is installed on each phase of the power transmission line, and can transmit information measured by an embedded sensor to another smart sensor installed on the same phase of another power transmission line via power line communications using the power transmission lines. A data pooling device collects measurement information by performing data communications with a smart sensor positioned at the shortest distance therefrom using a wireless communications method, and can acquire the measurement information by a smart sensor installed in a preceding power transmission line section via the power line communications between the smart sensors. Accordingly, it is possible to configure the system for monitoring the power transmission lines, in which the data pooling device collects all pieces of measurement information by the smart sensors installed throughout the power transmission lines and transmits the same to a higher-level server.

Description

TECHNICAL FIELD [0001] The present invention relates to a smart sensor and a system for monitoring transmission line,

The present invention relates to a smart sensor and system for monitoring a transmission line, and more particularly, to a smart sensor and a transmission line monitoring system installed on a transmission line connected to a substation from a power plant to measure and monitor information used in various transmission system operations. ≪ / RTI >

Domestic power system is formed by complicated meshed network structure, and most transmission facilities are constructed to transfer power from coastal power plant to inland power consumption area.

As a result, the failure of local transmission facilities may immediately spread throughout the system, resulting in a black-out situation in either a pan-regional or national. To prevent this, the integrity and reliability of facilities should be continuously managed through periodic inspection and maintenance of transmission facilities.

In order to ensure the reliability and safety of transmission facilities, it is essential to construct a device or system for continuous monitoring of transmission facilities. It is very important to develop a sensor that can measure various states of transmission facilities and to construct a network that can effectively perform data communication between sensors due to the nature of transmission facilities installed in a wide area. Do.

The network for the data communication between the sensors of the transmission facility is designed to install hundreds of independent sensors in the field of transmission facilities requiring monitoring and to acquire the measurement information of each sensor through the shared network. There is an additional need for a wire / wireless network communication structure and an effective topology design for organically connecting them.

Recently, a smart sensor for transmission line has been developed for the purpose of surveillance of transmission line. However, it is difficult to confirm the result through a separate terminal by a field worker in the vicinity of the transmission line equipped with the smart sensor And there is no practical network for transmitting and collecting measurement data between hundreds of sensors.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a transmission line supervisory smart sensor and system capable of establishing a network of a power line communication system using a transmission line and transmitting and collecting various information used in the transmission system operation.

According to an aspect of the present invention, there is provided a transmission line monitoring smart sensor which is installed on each of transmission lines and transmits measurement information measured by an internal sensor to a smart sensor installed on a transmission line of the same phase by a power line communication method through the transmission line Lt; / RTI >

The smart sensor can transmit the received measurement information to another smart sensor installed on a transmission line of the same phase.

The smart sensor can transmit the measurement information in a wireless communication manner with a data merging unit (MU) installed at the end of a transmission line.

The built-in sensor may include at least one of a wind direction sensor, an wind speed sensor, an air pressure sensor, a tilt sensor, an acceleration sensor, a temperature sensor, an image sensor, a lightning strike detection sensor, a position sensor and a current sensor.

According to another aspect of the present invention, there is provided a smart sensor that is installed on each of transmission lines and transmits measurement information measured by an internal sensor to a smart sensor installed on a transmission line of the same phase by a power line communication method through the transmission line, And a data merge device for collecting the measurement information by communicating with the sensor through a wireless communication method.

And the data merge device can transmit the collected measurement information to the upper server.

The data merge device may collect the measurement information by communicating with a smart sensor located at a nearest distance through a wireless communication method.

The smart sensor may transmit the received measurement information to a smart sensor installed on a transmission line of the same phase.

The built-in sensor may include at least one of a wind direction sensor, an wind speed sensor, an air pressure sensor, a tilt sensor, an acceleration sensor, a temperature sensor, an image sensor, a lightning strike detection sensor, a position sensor and a current sensor.

The transmission line monitoring smart sensor and the system of the present invention can transmit and collect various information used for transmission line operation by establishing a power line communication network using a transmission line.

1 is a conceptual view of a transmission line monitoring smart sensor according to an embodiment of the present invention;
FIG. 2 is a perspective view of a transmission line monitoring smart sensor according to an embodiment of the present invention, and FIG.
3 is a configuration block diagram of a transmission line monitoring smart sensor according to an embodiment of the present invention.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated and described in the drawings. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms including ordinal, such as second, first, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the second component may be referred to as a first component, and similarly, the first component may also be referred to as a second component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant description thereof will be omitted.

FIG. 1 is a conceptual diagram of a transmission line monitoring system according to an embodiment of the present invention. FIG. 2 is a perspective view of a transmission line monitoring smart sensor according to an embodiment of the present invention, and FIG. 3 is a perspective view of a transmission line according to an embodiment of the present invention. Fig. 1 is a block diagram of a monitoring smart sensor.

1 to 3, a transmission line monitoring system according to an exemplary embodiment of the present invention includes measurement information measured by an internal sensor installed on each transmission line and transmitted through a power line communication system through a transmission line, And a data merge device 30 for communicating with the smart sensor 10 and the smart sensor 10 in a wireless communication manner and collecting measurement information.

The smart sensor 10 can measure various kinds of information that can be used in the transmission system operation by using the built-in sensor 200. [ The sensors incorporated in the smart sensor 10 include, for example, a wind direction sensor 201, an wind speed sensor 202, an air pressure sensor 203, a tilt sensor 204, an acceleration sensor 205, a temperature sensor 206, And may include at least one of an image sensor 207, a lightning stroke detection sensor 208, a position sensor 209, and a current sensor 210. The sensors built in the smart sensor 10 may be independently controlled by the smart sensor's own processor or may operate by receiving control commands from the external terminal and the data merge device 30. [

The smart sensor 10 can transmit the measurement information measured by the built-in sensor 200 to another smart sensor installed on the transmission line of the same phase. The smart sensor 10 may be equipped with a power line communication (PLC) modem 100 and may transmit measurement information by a power line communication method using a transmission line. Since the transmission lines are connected to each other at the same phase, the smart sensor 10 can transmit measurement information to another smart sensor installed on the transmission line of the same phase without any additional equipment.

The smart sensor 10 can transmit the received measurement information to another smart sensor. The smart sensor 10 is equipped with a power line communication modem 100, and can receive measurement information using power line communication, and can transmit the received measurement information to another smart sensor. That is, the smart sensor 10 can perform a router or a repeater function on a power line communication network constructed using a plurality of smart sensors.

The smart sensor 10 can perform data communication with a data merging unit (MU) 30 installed at the end of a transmission line in a wireless communication manner. The smart sensor 10 can transmit the measurement information to the data merge device 30 in a wireless communication manner.

The data merge device 30 can wirelessly communicate with the smart sensors 11 to 13 installed in all sections of the transmission line to collect measurement information.

Or the data merge device 30 may perform data communication with the smart sensor 10 located at the closest distance to collect measurement information. At this time, the smart sensors 13 (a) to 13 (c) located at the closest distance receive all of the information measured by the smart sensors 11 to 12 installed in the previous transmission line section, The data merge device 30 can collect the measurement information over the entire transmission line, even if the data merge device 30 does not perform wireless communication with the smart sensor installed in the entire area.

The data merge device 30 can transmit the collected measurement information to the upper server built in the substation 40 or the like.

As used in this embodiment, the term " portion " refers to a hardware component such as software or an FPGA (field-programmable gate array) or ASIC, and 'part' performs certain roles. However, 'part' is not meant to be limited to software or hardware. &Quot; to " may be configured to reside on an addressable storage medium and may be configured to play one or more processors. Thus, by way of example, 'parts' may refer to components such as software components, object-oriented software components, class components and task components, and processes, functions, , Subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays, and variables. The functions provided in the components and components may be further combined with a smaller number of components and components or further components and components. In addition, the components and components may be implemented to play back one or more CPUs in a device or a secure multimedia card.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that

10: Smart sensors
20: Power station
30: Data merge device
40: Substation

Claims (9)

A transmission line monitoring smart sensor installed on each phase of a transmission line for transmitting measurement information measured by an internal sensor to a smart sensor installed on the same phase transmission line by a power line communication method through the transmission line.
The method according to claim 1,
Wherein the smart sensor transmits the measurement information to another smart sensor installed on a transmission line of the same phase.
The method according to claim 1,
The smart sensor is a transmission line monitoring smart sensor that transmits the measurement information in a wireless communication manner with a data merging unit (MU) installed at a terminal end of a transmission line.
The method according to claim 1,
Wherein the built-in sensor includes at least one of a wind direction sensor, an air speed sensor, an air pressure sensor, a tilt sensor, an acceleration sensor, a temperature sensor, an image sensor, a lightning stroke sensor, a position sensor and a current sensor.
A smart sensor installed on each phase of the transmission line for transmitting measurement information measured by an internal sensor to a smart sensor installed on a transmission line of the same phase by a power line communication method through the transmission line; And
And a data merge device communicating with the smart sensor through a wireless communication method to collect the measurement information.
6. The method of claim 5,
And the data merge device transmits the collected measurement information to the upper server.
6. The method of claim 5,
Wherein the data merge device communicates with a smart sensor located at a nearest distance in a wireless communication manner to collect the measurement information.
6. The method of claim 5,
Wherein the smart sensor transmits the received measurement information to a smart sensor installed on a transmission line of the same phase.
6. The method of claim 5,
Wherein the built-in sensor includes at least one of a wind direction sensor, an wind speed sensor, an air pressure sensor, a tilt sensor, an acceleration sensor, a temperature sensor, an image sensor, a lightning strike detection sensor, a position sensor and a current sensor.

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