KR101416926B1 - Monitoring apparatus and manegement system of power transmission line using load cell - Google Patents

Abstract

A transmission line monitoring apparatus and a management system using a tension sensor are disclosed. The transmission line monitoring apparatus using the tension sensor includes a tension sensor unit for fixing a transmission line through an insulating insulator to a steel tower fixing unit and measuring a tension of a transmission line using a built-in tension sensor. The tension sensor data measured by the tension sensor unit And a judging unit for judging a risk level of the transmission line by comparing with a set reference value.

Description

TECHNICAL FIELD [0001] The present invention relates to a transmission line monitoring apparatus and a management system using a tension sensor,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission line monitoring apparatus and a management system using a tension sensor and more particularly to a transmission line monitoring apparatus and a management system using a tension sensor for monitoring and managing a danger that may be caused in a transmission line due to icing, Monitoring apparatus and management system.

Power transmission lines are reinforced by means of reinforcement of steel towers assuming load and wind pressure, and reduction of span by installation of steel towers, due to frequent occurrence of damages due to strong winds such as winter season and typhoon during the summer.

However, there are limitations in this method, and when there is an imbalance in the processed wire and wire, or in the case of the missing wire, there is often a breakdown between the wire and the wire or between the wire and the wire.

As a countermeasure for prevention of tie-up failure at the time of establishment, there are methods such as reduction of span, off-set of steel tower, and increase of distance between phases. However, there are practical limitations such as geographical condition and economical efficiency, and it is difficult to apply to transmission line in operation.

In addition, the top-to-bottom spacers are used to prevent wire vibration by galloping or galloping, and to prevent short-circuit between the ground wire and phase. However, when a real problem occurs due to excessive ice and snow, There is a problem that it can not be prevented.

The object of the present invention is to prevent the mechanical damage of electric wires and insulators due to icy snow and strong winds adsorbed on the transmission line and to prevent accident such as line break and steel tower collapse due to increase of line load due to icing and wind pressure It is also possible to check the state of icy and snowy conditions using a tension sensor on the transmission line, to identify the risk, to remodel it, to monitor the transmission line using a tension sensor to be used for planning the reinforcement of steel towers, Device and management system.

According to an aspect of the present invention, there is provided a tension sensor unit for fixing a transmission line through an insulator to an iron tower fixing unit and measuring a tension of a transmission line using a built-in tension sensor. The tension sensor unit measures tension sensor data measured by the tension sensor unit, The present invention provides a transmission line monitoring apparatus using a tension sensor including a determination unit for determining a risk level of a transmission line.

The tension sensor unit includes: a first connection member connected to the iron tower fixing unit; A second connecting member connected to the transmission line through the insulator, and a pin-shaped tension sensor pin-connecting the first connecting member and the second connecting member to each other to measure a tension acting on the transmission line, .

And a communication unit for transmitting at least one of the risk information and the tension sensor data determined by the determination unit to the outside.

The communication unit may use other wired / wireless communication methods including Digital Trunked Radio Service (DTRS).

And a warning generating unit for generating an external warning sound according to the risk level determined by the determining unit.

According to another aspect of the present invention, there is provided a tension sensor unit for fixing a transmission line through an insulation insulator to an iron tower fixing unit and measuring a tension of a transmission line using a built-in tension sensor, and a tension sensor unit for transmitting tension sensor data measured by the tension sensor unit And a management server for receiving the tension sensor data measured by the tension sensor unit from the monitoring device and comparing the measured tension sensor data with a predetermined reference value to determine a risk level of the transmission line, Management system.

The tension sensor unit includes: a first connection member connected to the iron tower fixing unit; A second connecting member connected to the power transmission line through the insulator, and a pin tension sensor for pin-connecting the first connecting member and the second connecting member to each other and measuring a tension acting on the power transmission line, A transmission line management system using a sensor is provided.

The communication unit may use a wired / wireless communication method including a digital frequency common communication method.

The transmission line monitoring unit may further include an image sensing unit for acquiring image information around the transmission line.

The communication unit may transmit the image information to the management server or the operator terminal using a wired / wireless communication method including a Code Division Multiplex Access (CDMA) scheme.

The transmission line monitoring unit may further include an alarm generating unit, and the management server may transmit an alarm signal to the transmission line monitoring unit for operating the alarm generating unit according to the risk.

The transmission line monitoring and management system using the tension sensor according to the present invention prevents mechanical damage of electric wires and insulators due to increase in wind pressure due to icy snow and typhoons adsorbed on a transmission line and increases the line load due to icing, It is possible to prevent accidents such as collapse, and check the state of icy snow cover and wind pressure by using the tension sensor of the transmission line and understand the risk.

FIG. 1 is a conceptual diagram of an installation of a transmission line monitoring apparatus according to an embodiment of the present invention;
2 is a block diagram of a transmission line monitoring apparatus according to an embodiment of the present invention;
3 is a plan view of a tension sensor unit according to an embodiment of the present invention,
4 is a side view of a tension sensor unit according to an embodiment of the present invention;
5 is an enlarged side view of part III of Fig. 4,
Fig. 6 is a plan view of Fig. 5 taken in the direction of arrow IV,
FIG. 7 is a conceptual diagram of a transmission line monitoring system according to an embodiment of the present invention; FIG.
FIG. 8 is a block diagram of a transmission line monitoring unit according to an embodiment of the present invention, and FIG.
9 is a conceptual diagram of a transmission line monitoring system according to another 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.

2 is a block diagram of a transmission line monitoring apparatus according to an embodiment of the present invention. FIG. 3 is a block diagram of a transmission line monitoring apparatus according to an exemplary embodiment of the present invention. FIG. 4 is a side view of the tension sensor according to an embodiment of the present invention. FIG.

Referring to FIG. 1, a transmission line monitoring apparatus 10 according to an embodiment of the present invention can be installed on a transmission line through a gold alloy having a built-in tension sensor. In order to measure the tension applied to the transmission line, an embodiment of the present invention will be described by way of example with reference to the present invention and the patent application No. 0958945, filed and filed by the same applicant, as " .

Referring to FIG. 2, the transmission line monitoring apparatus 10 according to an embodiment of the present invention fixes a transmission line to an iron tower fixing unit through an insulation insulator 212 and measures the tension of a transmission line using a built-in tension sensor A determination unit 12 that compares the tension sensor data measured by the tension sensor unit 11 and the tension sensor unit 11 with a predetermined reference signal to determine a risk of the transmission line; A communication unit 13 for transmitting any one or more of the tension sensor data to the outside, and a warning sound generating unit 14 for generating a warning sound outside according to the risk determined by the determination unit 12. [

3 and 4, the tension sensor unit 11 includes a first connection member 111 connected to the iron tower fixing unit, a second connection member 112 connected to the transmission line through the insulation insulator 212, And a pin tension sensor 113 for pinning the first linking member 111 and the second linking member 112 to each other and measuring the tension acting on the transmission line.

The tension sensor 113 for measuring the tension applied to the transmission line is installed between the tower fixing part and the insulator 212 so as to prevent breakage and interference due to the high voltage transmitted through the transmission line.

The first connecting member 111 is an anchor chain connected to the iron tower fixing part and the second connecting member 112 is connected to the transmission line side via the insulator 212. The triangular yoke plate . Here, the power transmission line is connected by a compression torque clamp 213

Therefore, the tension sensor 113 is fitted to the coupling portion of the anchor chain 111 and the yoke plate 112 in a pin-like manner, and is installed to connect the anchor chain and the yoke plate.

As described above, the tension sensor 113 is a combination of the anchor chain 111 and the yoke plate 112, which connects between the iron tower fixing part of the built-in steel tower and the insulator 212 of 154 kV single conductor transmission line to which the double insulation insulator is applied. So that it is possible to minimize the amount of increase in the distance due to the increase in the length of the transmission line due to the installation of the tension sensor 113. [

Fig. 5 is an enlarged side view of the portion III in Fig. 4, and Fig. 6 is a plan view of the portion in Fig. 5 taken along the IV direction.

5 and 6, the steel tower mounting bracket for a tension sensor in the transmission line of the present embodiment further includes a fastening member for pin-connecting the anchor chain 111 and the yoke plate 112 from one side of the tension sensor. Here, it is exemplified that the fastening member is the cotter pin 114.

At this time, the cotter pin 114 is fastened to the insulation insulator 212 side with respect to the tension sensor 113 so that the tensile force acting on the transmission line is transmitted to the anchor chain 111 and the front end portion of the yoke plate 112, (113). Therefore, the tension sensor 113 measures the tension of the transmission line transmitted in the radial direction perpendicular to the axial direction by the yoke plate 112 sandwiched between the anchor shackles 111. At this time, when the bow is deflected or cut by a tension greater than a safe overload rating of the tension sensor 113 acting between the anchor chain 111 and the yoke plate 112, the cotter pin 114 serves as a safety pin do.

The yoke plate 112 is provided with an elongated guide groove 116 in the fastening portion of the cotter pin 114 so as to be rotatable about the tension sensor 113 by a predetermined radius. So that the plate 112 has a degree of freedom centering on the tension sensor 113.

As described above, the steel tower mounting bracket for the tension sensor of the present embodiment has the first connecting member 111 and the second connecting member 112 for fixing the tension sensor to the steel tower fixing portion and the insulator 212 of the existing transmission line, The shape of the anchor chain and the yoke plate connecting between the anchor and the yoke plate are minimized.

Although the first linking member 111 is an anchor chain and the second linking member 112 is a triangular yoke plate in the embodiment of the present invention, the first linking member 111 may be an arm plate, And the second connecting member 112 may be an ear canal adjusting plate, an ear canal adjusting fitting, or the like. It is to be understood that the present invention is not limited thereto, and may be changed according to the voltage, the number of conductors, the type of insulator, and the like.

The determination unit 12 may be configured with a low-power MCU (Micro Control Unit). The determination unit 12 can obtain the tension sensor data acquired by the tension sensor unit 11 at real time or at predetermined time intervals to determine the risk of the transmission line.

The determination unit 12 compares the tension sensor data with a preset reference value and detects the danger of the transmission line when the size of the tension sensor data exceeds a preset reference value. In the transmission line, not only the electric wire and the insulator are mechanically damaged due to the adsorbed icy snow, but also an accident that the line break and the steel tower are collapsed due to an increase in the line load due to icing may occur. Therefore, the judgment unit (12) It is possible to determine the risk by comparing the losing tension with a preset threshold value.

The communication unit 13 can transmit at least one of the risk information and the tension sensor data determined by the determination unit 12 to the outside. The communication unit 13 may transmit at least one of the risk information and the tension sensor data to the external management server or the operator terminal at regular intervals.

The communication unit 13 may perform data communication using a digital trunked radio system (DTRS), for example, a terrestrial trunked radio (TETRA) standard communication network.

The warning sound generating unit 14 may generate an external warning sound under the control of the determining unit 12.

FIG. 7 is a conceptual diagram of a transmission line management system according to an embodiment of the present invention, and FIG. 8 is a block diagram of a transmission line monitoring unit according to an embodiment of the present invention.

Referring to FIGS. 7 and 8, the transmission line management system according to an embodiment of the present invention includes fixing a transmission line to an iron tower fixing part through an insulation insulator 212 and measuring a tension of a transmission line using a built- A transmission line monitoring unit 100 including a communication unit 120 for transmitting the tension sensor data measured by the tension sensor unit 110 and the tension sensor unit 110 and a warning sound generating unit 130, And a management server 300 for receiving the tension sensor data measured by the unit 110 and comparing the measured tension sensor data with a preset reference value to determine a risk of the transmission line.

The tension sensor unit 110 includes a first connection member 111 connected to the iron tower fixing unit, a second connection member 112 connected to the transmission line through the insulation insulator 212, a first connection member 111, And a pin tension sensor 113 for pinning the two connecting members 112 to each other and measuring the tension acting on the transmission line. The tension sensor unit 110 is the same as that described above with reference to FIGS. 3 to 6, so that a duplicate description will be omitted.

The communication unit 120 may transmit the tension sensor data to the outside. The communication unit 120 may transmit the tension sensor data to the external management server 300 at a predetermined period.

In transmitting the tension sensor data, the communication unit 120 may perform data communication using a Digital Trunked Radio System (DTRS) method. For example, the communication unit 120 may transmit a TTRRA (Terrestrial Trunked Radio) Can be used.

The warning sound generating unit 130 may generate an external warning sound according to the warning signal transmitted from the management server 300.

The management server 300 receives the tension sensor data acquired by the tension sensor unit 110 at predetermined time intervals and determines the risk level of the transmission line using the received tension sensor data.

The management server 300 compares the tension sensor data with a preset reference value, and detects the danger of the transmission line when the size of the tension sensor data exceeds a preset reference value. As the transmission line is mechanically damaged due to the ice and snow adsorbed, the line break and the steel tower may collapse due to an increase in the line load due to icing. Therefore, the management server 300 It is possible to determine the risk by comparing the losing tension with a preset threshold value. The management server 300 may transmit a warning signal to the transmission line monitoring unit 100 to operate the warning sound generating unit 130 when the risk of the transmission line is detected.

9 is a conceptual diagram of a transmission line management system according to another embodiment of the present invention.

9, a transmission line management system according to another embodiment of the present invention includes a tension sensor unit 212 for fixing a transmission line to an iron tower fixing unit via an insulator 212 and measuring a tension of a transmission line using a built- A transmission line monitoring unit including an image capturing unit for capturing image information around the transmission line, and a warning generating unit, and a monitoring unit including a tension sensor unit 110, a tension sensor unit 110, And a management server that receives the tension sensor data measured by the sensor unit 110 and compares the measured tension sensor data with a predetermined reference value to determine a risk level of the transmission line.

The image capturing unit 2000 can be installed in the transmission tower 3000 to acquire image information around the transmission tower.

The communication unit may transmit at least one of the tension sensor data and the image information acquired by the image capturing unit to the outside. The communication unit may transmit at least one of the tension sensor data and the image information to the external management server or the operator terminal 5000 in a predetermined period.

In transmitting the tension sensor data, the communication unit may perform data communication using a digital trunked radio system (DTRS), for example, a terrestrial trunked radio (TETRA) standard standard communication network .

The communication unit may use a code division multiple access (CDMA) scheme in transmitting image information.

The management server 4000 can display the transmitted image information through a display device (not shown) 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: Transmission line monitoring device
20, 200: Transmission tower
100, 1000: Transmission line monitoring section
111: first connecting member
112: second connecting member
113: tension sensor
114: Coater pin
116: guide groove
210: Transmission line
212: Insulation insulator
213: Compressed Human Clamp
300: management server

Claims (11)

A tension sensor unit for fixing the transmission line through the insulator to the steel tower fixing unit and measuring the tension of the transmission line using the built-in tension sensor,
And a determination unit for comparing the tension sensor data measured by the tension sensor unit with a preset reference value to determine a risk of the transmission line,
The tension sensor unit,
An anchor chain connected to the iron tower fixing part;
A yoke plate connected to the power transmission line through the insulator;
A cotter pin for pin-joining the anchor chain and the yoke plate; And
And a tension sensor which is spaced a predetermined distance from the cotter pin to the anchor chain and which is fitted to the anchor chain and the yoke plate in a pin type and measures a tension acting on the transmission line.
The method according to claim 1,
Wherein the yoke plate is provided with an elongated guide groove at a portion to be pin-engaged with the cotter pin.
The method according to claim 1,
And a communication unit for transmitting at least one of the risk information and the tension sensor data determined by the determination unit to the outside.
The method of claim 3,
Wherein the communication unit is a transmission line monitoring apparatus using a tension sensor using a digital trunked radio service (DTRS) scheme.
The method according to claim 1,
And an alarm generating unit for generating an external warning sound according to the risk level determined by the determining unit.
A transmission line monitoring unit including a tension sensor unit for fixing a transmission line through an insulation insulator to an iron tower fixing unit and measuring a tension of a transmission line using a built-in tension sensor, and a communication unit for transmitting tension sensor data measured by the tension sensor unit And
And a management server for receiving the tension sensor data measured by the tension sensor unit from the transmission line monitoring unit and comparing the tension sensor data with a preset reference value to determine a risk of the transmission line,
The tension sensor unit,
An anchor chain connected to the iron tower fixing part;
A yoke plate connected to the power transmission line through the insulator;
A cotter pin for pin-joining the anchor chain and the yoke plate; And
And a tension sensor which is spaced a predetermined distance from the cotter pin to the anchor chain and which is inserted into the anchor chain and the yoke plate in a pin type and measures the tension acting on the transmission line.
The method according to claim 6,
Wherein the yoke plate is provided with an elongated guide groove at a portion to be pin-engaged with the cotter pin.
The method according to claim 6,
Wherein the communication unit is a transmission line management system using a tension sensor using a digital frequency common communication method.
The method according to claim 6,
Wherein the transmission line monitoring unit further includes an image capturing unit for capturing image information around the transmission line.
10. The method of claim 9,
Wherein the communication unit transmits the image information to the management server or the operator terminal using a Code Division Multiplex Access (CDMA) scheme.
The method according to claim 6,
The transmission line monitoring unit may further include a warning generating unit,
Wherein the management server uses a tension sensor that transmits an alarm signal to the transmission line monitoring unit for operating the warning unit in accordance with the risk.

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