KR101886191B1 - Light emitting apparatus installed power line and light emitting system in power line - Google Patents

Abstract

The present invention provides a light emitting device for line installation capable of stably receiving a power from a line by considering variable current of the line, and a line light emitting system. According to an embodiment of the present invention, the light emitting device for line installation comprises: a measuring current transformer configured to measure current flowing in the line; a power current transformer configured to generate the power induced from the current flowing in the line; a light emitting part configured to emit light by using the power; a driving part configured to generate a switching signal based on a measured value of the measuring current transformer; and a switch configured to switch a ratio of the current of the power current transformer according to the switching signal.

Description

TECHNICAL FIELD [0001] The present invention relates to a line-mounted light emitting device and a line light emitting system,

The present invention relates to a line-mounted light emitting device and a line light emitting system.

In general, electric power facilities (eg, transmission lines, steel towers, wire harnesses, etc.) can be equipped with light emitting devices so that aircraft or helicopters can quickly detect power equipment from remote locations and prevent flying accidents.

When the light emitting device is installed in the line, the light emitting device can be supplied with power from the line used for light emission.

Japanese Patent Application Laid-Open No. 10-2017-0005659

The magnitude of the current flowing in the line may be variable over time. The variable current of the line can stress the light emitting device in the process of being provided to the light emitting device.

The present invention provides a line-mounted light emitting device and a line light emitting system capable of stably receiving power from a line in consideration of a variable current of the line.

The line-mounted light emitting device according to an embodiment of the present invention includes: a measuring transformer configured to measure a current flowing in a line; A power transformer configured to generate a power source derived from a current flowing in the line; A light emitting unit configured to emit light using the power source; A drive configured to generate a switching signal based on a measured value of the measurement current transformer; And a switch configured to switch a current ratio of the power source current transformer according to the switching signal. . ≪ / RTI >

For example, the power supply current transformer may include: a plurality of cores each configured to generate a magnetic field corresponding to a current flowing in the line; And a plurality of output lines each of which is electromagnetically coupled to at least one of the plurality of cores to generate a power source, the number of cores electromagnetically coupled to each other being different from each other; And the switch may be configured to select one of the plurality of output lines according to the switching signal to switch a ratio of the current of the power source current transformer.

For example, the line-mounted light emitting device may further include a ground line attached to the line, and the driving unit may switch the switch signal so that the switch and the ground line are electrically connected when a current flowing in the line is out of a reference range. Can be generated.

For example, the line-mounted light emitting device includes a battery for storing the power supply; A communication unit for remotely receiving a control signal; And a controller for transmitting the power stored in the battery to the light emitting unit and determining whether to transmit the power according to the control signal. As shown in FIG.

For example, the light emitting unit may include a plurality of light emitting cells that emit light through the supplied power source, and the controller may transmit a plurality of power sources from the battery to the plurality of light emitting cells according to a predetermined on / off pattern, The predetermined on / off pattern can be changed according to the control signal.

For example, the line-mounted light emitting device may further include an illuminance sensor for measuring illuminance, and the controller may determine the magnitude of the power transmitted from the battery to the light emitting portion according to the measured value of the illuminance sensor or the control signal have.

For example, the controller may be configured to transmit a plurality of power sources from the battery to the plurality of light emitting cells according to one of a plurality of on / off patterns, respectively, according to the measured value of the illuminance sensor or the control signal, The ON / OFF pattern used in the pattern can be selected.

For example, the line-mounted light emitting device may include a window configured to transmit light; And a cover connected to the window and configured to block light, the cover receiving the measuring current transformer, the power source current transformer, the light emitting portion, the driving portion, and the switch; And the light emitting unit may be disposed adjacent to the window and emit light toward the window than the measurement current transformer, the power supply current transformer, the drive unit, or the switch.

According to an embodiment of the present invention, there is provided a line light emitting system including: a power supply, which is installed in a line, generates a power source derived from a current flowing in the line using a current transformer having a variable current ratio according to a current flowing through the line, At least one light emitting device that emits light using the light emitting device; And a remote control device for remotely transmitting a control signal to the at least one light emitting device; And the at least one light emitting device can control whether or not to emit light according to the control signal.

According to an embodiment of the present invention, power can be stably supplied to the light emitting device from the line in consideration of the variable current of the line.

In addition, since the line-type light-emitting device according to an embodiment of the present invention can emit light at an appropriate time, the lifetime of the line-type light-emitting device can be extended.

In addition, the line-mounted light emitting device according to an embodiment of the present invention can emit light according to various patterns to improve line recognition distance of an aircraft or a helicopter.

FIG. 1 is a block diagram of a line-type light emitting device according to an embodiment of the present invention. Referring to FIG.
FIG. 2 is a view illustrating a light emitting device of a line type according to an embodiment of the present invention.
3 is a block diagram showing a detailed configuration of a line-mounted light emitting device according to an embodiment of the present invention.
FIG. 4 is a view illustrating a detailed structure of a line-mounted light emitting device according to an embodiment of the present invention.
5 is a view illustrating an internal shape of a line-mounted light emitting device according to an embodiment of the present invention.
6 is a diagram illustrating an external shape of a line-mounted light emitting device according to an embodiment of the present invention.
7 is a diagram illustrating a line emission system according to an embodiment of the present invention.

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with an embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in order that those skilled in the art can easily carry out the present invention.

FIG. 1 is a block diagram of a line-type light emitting device according to an embodiment of the present invention. Referring to FIG.

1, a line-mounted light emitting device according to an exemplary embodiment of the present invention includes a measurement current transformer 110, a power supply current transformer 120, a light emitting unit 130, a driver 140, and a switch 150 .

The measurement current transformer 110 may be configured to measure the current flowing in the line 10. [

The power source current transformer 120 may be configured to generate a power source derived from the current flowing in the line 10. [ For example, the power supply current transformer 120 may generate a power source induced at a first side ratio and a power source derived at a second side ratio, respectively.

The light emitting unit 130 may be configured to emit light using a power source induced by the power source current transformer 120. The light emitting unit 130 may use the power source induced by the power source current transformer 120 immediately or after a predetermined time, and may include at least one LED device.

The driving unit 140 may be configured to generate a switching signal based on the measured value of the measuring current transformer 110. If the switch 150 performs a switching operation by a tap changer, the driving unit 140 may generate a tap conversion signal to drive the switch 150. [ For example, the driving unit 140 may include a converter for AC-DC conversion.

The switch 150 may be configured to switch the switching ratio of the power source current transformer 120 according to the switching signal generated by the driving unit 140. [ The switch 150 may transmit one of the power source induced in the first side ratio and the power source induced in the second side ratio to the light emitting unit 130 and block the other.

Accordingly, the line-mounted light emitting device according to an embodiment of the present invention can stably receive power from the line 10 in consideration of the variable current of the line 10, and the line- The stresses received from the system can be reduced.

For example, when the current flowing through the line 10 is large, the switch 150 can receive power from the power source current transformer 120 at a small ratio of the first side ratio and the second side ratio, When the current flowing through the line 10 is small, the power source 120 can be supplied with the power derived from the first side ratio and the second side ratio in a large ratio. Here, the magnitude and criterion of the current flowing through the line 10 can be set in units of 100A, but is not limited thereto.

FIG. 2 is a view illustrating a light emitting device of a line type according to an embodiment of the present invention.

2, the measurement current transformer includes a measurement core 111 and a measurement output line 112. The power source current transformer includes a plurality of cores 121a, 121b and 121c and a plurality of output lines 122a, 122b and 122c. . ≪ / RTI >

The measurement core 111 and the plurality of cores 121a, 121b, and 121c may be configured to generate a magnetic field corresponding to the current flowing in the line 10, respectively.

The measurement output line 112 may be electromagnetically coupled to the measurement core 111 to provide a measurement to the driver 140.

The plurality of output lines 122a, 122b and 122c are electromagnetically coupled to at least a part of the plurality of cores 121a, 121b and 121c, respectively, to generate a power source. The plurality of cores 121a, 121b and 121c are electromagnetically The number of cores to be coupled may be different from each other. Accordingly, the plurality of output lines 122a, 122b, and 122c may provide the switch 150 with a power source that is induced at different ratios. The switch 150 may switch the switching ratio of the power source current transformer by selecting one of the plurality of output lines 122a, 122b, and 122c according to the switching signal generated by the driving unit 140. [

The number of turns of the plurality of output lines 122a, 122b, and 122c and the number of turns of the plurality of cores 121a, 121b, and 121c may be distributed to the output lines 122a, 122b, and 122c, The distribution may vary depending on the design of the < / RTI >

Referring to FIG. 2, the line-mounted light emitting device according to an embodiment of the present invention may further include a ground wire 155 attached to the line 10.

The driving unit 140 generates a switching signal so that the switch 150 and the ground line 155 are electrically connected to each other when the current flowing in the line 10 exceeds the reference range (for example, a fault current due to lightning, overload, etc.) .

That is, the ground line 155 may form a closed circuit together with at least one of the plurality of output lines 122a, 122b, and 122c, and at least one abnormal power of the plurality of output lines 122a, 122b, ). Thus, damage to the line-mounted light emitting device caused by the abnormal power source being induced from the line 10 can be prevented.

3 is a block diagram showing a detailed configuration of a line-mounted light emitting device according to an embodiment of the present invention.

3, a line-type light emitting device according to an embodiment of the present invention includes a measurement current transformer 110, a power supply current transformer 120, a light emitting unit 130, a driving unit 140, a power conversion unit 145, A battery 160, a communication unit 171, a control unit 172, and a light emission driving unit 173, and is capable of communicating with the remote control device 200.

The power conversion unit 145 may include a converter that performs AC-DC conversion of the power source induced by the power source current transformer 120 and transfers the converted power to the battery 160. The power conversion unit 145 may include a DC-DC converter (e.g., a Switched Mode Power (SMPS) converter that performs DC-DC conversion of the power stored in the battery 160 and transmits the converted power to the light emitting unit 130 Supply), etc.).

For example, the power conversion unit 145 may include a dual RS flip circuit for eliminating overheating or abnormal occurrence of the battery 160, thereby preventing the chattering phenomenon.

The battery 160 receives the power converted by the power conversion unit 145 and can store the supplied power. For example, the battery 160 may be implemented as a secondary battery (e.g., a lithium ion battery) or a battery.

The communication unit 171 can remotely receive the control signal from the remote control device 200. [

The controller 172 transmits the power stored in the battery 160 to the light emitting unit 130, and determines whether the power is delivered according to the control signal. The light emission of the light emitting unit 130 can be remotely controlled by the user of the remote control device 200. [ Accordingly, the light emitting unit 130 can emit light at an appropriate time, thereby extending the service life of the line-mounted light emitting device.

Depending on the design, the control signal can be automatically generated by a real-time algorithm stored in the remote control device 200 without user's manipulation. Thus, the light emission of the light emitting portion 130 can be made intelligent.

According to the design, the controller 172 may include an illuminance sensor (not shown) for measuring illuminance, and may determine whether or not the power transmitted from the battery 160 to the light emitting unit 130 is transmitted, . ≪ / RTI > Accordingly, the light emitting unit 130 can emit light mainly at night than during the day, so that the lifetime of the line-mounted light emitting device can be prolonged.

FIG. 4 is a view illustrating a detailed structure of a line-mounted light emitting device according to an embodiment of the present invention.

4, a line-mounted light emitting device according to an exemplary embodiment of the present invention includes a measurement current transformer 110a, a power source current transformer 120a, a plurality of light emitting cells 131a, 131b, 131c, and 131d, a driver 140a, A switch 150a, a battery 160, a communication unit 171, a control unit 172, and a plurality of light emission drivers 173a, 173b, 173c, and 173d.

The plurality of light emitting cells 131a, 131b, 131c, and 131d may correspond to the light emitting units shown in FIGS. 1 to 3, and may be disposed at different positions.

The power conversion unit 145 shown in FIG. 3 performs AC-DC conversion through a bridge circuit implemented by a plurality of diodes D1, D2, D3 and D4 and supplies power to the battery (not shown) through a capacitor C2 and a regulator 160 to the control unit 172. The control unit 172 controls the operation of the control unit 172,

According to the design, the power conversion unit 145 may transmit a power source having a size corresponding to the measured value of the light intensity sensor CDS to the controller 172.

The control unit 172 may generate a plurality of power sources by dividing or copying the supplied power source and may supply the plurality of power sources to the plurality of light emitting cells 131a and 131b through a plurality of light emitting drivers 173a, 173b, 173c, and 173d. , 131c, 131d. Each of the plurality of light emitting drivers 173a, 173b, 173c and 173d outputs a first driving voltage Q1 and a second driving voltage Q2 in a PWM (Pulse Width Modulation) 131c, and 131d can be controlled.

The controller 172 may store predetermined ON / OFF patterns of the plurality of light emitting cells 131a, 131b, 131c, and 131d. The controller 172 may control on / off states of the plurality of light emitting cells 131a, 131b, 131c, and 131d according to a predetermined on / off pattern. Accordingly, the line-mounted light emitting device according to an embodiment of the present invention can emit light according to various patterns to improve line recognition distance of an aircraft or a helicopter.

The control unit 172 may change the predetermined on / off pattern according to a control signal remotely received through the communication unit 171. [ For example, the control signal may include information for selecting one of a plurality of on / off patterns stored in the controller 172, and may include new on / off pattern information.

According to the design, the controller 172 may select one of the plurality of on / off patterns according to the measured value of the illuminance sensor CDS to turn on / off each of the plurality of light emitting cells 131a, 131b, 131c and 131d Can be controlled. For example, the controller 172 may select an appropriate on / off pattern for daytime in the daytime and an on / off pattern suitable for the nighttime in the nighttime.

FIG. 5 is a view illustrating an internal shape of a line-mounted light emitting device according to an embodiment of the present invention, and FIG. 6 is a view illustrating an external shape of a line light emitting device according to an embodiment of the present invention.

5 and 6, a line-mounted light emitting device according to an exemplary embodiment of the present invention includes a measurement current transformer 110b, a power source current transformer 120b, a ground line 155b, a window 191, a cover 192, And may include at least a part of the engaging portion 193.

The window 191 may be configured to transmit light generated by the light emitting portion or the plurality of light emitting cells. For example, the window 191 may be formed of polycarbonate for heat resistance, impact resistance, dimensional stability, and weather resistance.

The cover 192 is connected to the window 191 and is configured to block the light so as to receive the measuring current transformer 110b, the power source current transformer 120b, the light emitting portion (or the plurality of light emitting cells), the driving portion and the switch.

The coupling portion 193 can provide a coupling structure (e.g., a bolt-nut structure, a concavo-convex structure, or the like) of the line-mounted light emitting device.

Here, the light emitting unit or the plurality of light emitting cells may be disposed adjacent to the window 191 to emit light toward the window 191 than the measuring current transformer, the power current transformer, the driving unit, or the switch. Thus, the external light emitting efficiency of the light emitting portion can be improved, and the on / off patterns of the plurality of light emitting cells can be clearly expressed.

7 is a diagram illustrating a line emission system according to an embodiment of the present invention.

7, a line emission system according to an embodiment of the present invention includes at least one of a line 10, a steel tower 20, at least one light emitting device 100a, 100b, 100c, and a remote control device 200 Some may be included.

The at least one light emitting device 100a, 100b and 100c is installed in the line 10 and uses a current transformer whose variable ratio is variable according to the current flowing in the line 10, And can emit light using the generated power source.

The remote control device 200 can remotely transmit control signals to at least one light emitting device 100a, 100b, 100c to control whether or not to emit light of each of the at least one light emitting device 100a, 100b, 100c.

Meanwhile, the controller 172 disclosed in this specification may include a processor. The processor may be implemented in at least one of a central processing unit (CPU), a graphics processing unit (GPU), a microprocessor, an application specific integrated circuit (ASIC), and a field programmable gate array (FPGA) .

The processor may receive instructions from a memory (e.g., volatile memory (e.g., RAM), nonvolatile memory (e.g., ROM, flash memory, etc.), magnetic storage, optical storage, / Off < / RTI > In addition, the memory may be provided with information included in a control signal through a computer-readable recording medium or a communication unit 171. [

The communication unit 171 may be implemented using at least one of a modem, a network interface card (NIC), an integrated network interface, a radio frequency transmitter / receiver, an infrared port, and a USB connection.

In the meantime, the term " part " used in this embodiment means a hardware component such as a software or a field-programmable gate array (FPGA) or an ASIC. 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, components and components may be implemented to reproduce one or more CPUs in a device or system.

Also, as used herein, terms such as "component," "module," "system," "interface," and the like generally refer to a computer-related entity that is hardware, a combination of hardware and software, software, will be. For example, an element may be, but is not limited to being, a processor, an object, an executable, an executable thread, a program and / or a computer running on a processor. For example, both the application running on the controller and the controller may be components. One or more components may reside within a process and / or thread of execution, and the components may be localized on one computer and distributed among two or more computers.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Anyone can make various variations.

10: Track
20: Steel Tower
100: Light emitting device
110: Measuring current transformer
111: Measurement core
112: Measurement output line
120: Power source current transformer
121: Core
122: Output line
130:
131: a plurality of light emitting cells
140:
145: Power conversion section
150: Switch
155: Ground wire
160: Battery
171:
172:
173:
180: Light intensity sensor
191: Windows
192: cover
193:
200: remote control device

Claims (9)

A measuring transformer configured to measure a current flowing through the line;
A power transformer configured to generate a power source derived from a current flowing in the line;
A light emitting unit configured to emit light using the power source;
A drive configured to generate a switching signal based on a measured value of the measurement current transformer; And
A switch configured to switch a current ratio of the power source current transformer according to the switching signal; And a light emitting device.
The power converter according to claim 1,
A plurality of cores each configured to generate a magnetic field corresponding to a current flowing in the line; And
A plurality of output lines, each of which is electromagnetically coupled to at least one of the plurality of cores to generate a power source, the number of cores electromagnetically coupled to each other being different from each other; / RTI >
Wherein the switch is configured to select one of the plurality of output lines in accordance with the switching signal to switch a ratio of the current of the power source current transformer.
3. The method of claim 2,
Further comprising a ground wire attached to the line,
Wherein the driving unit generates the switching signal so that the switch and the ground line are electrically connected when a current flowing in the line is out of a reference range.
The method according to claim 1,
A battery for storing the power supply;
A communication unit for remotely receiving a control signal; And
A control unit for transmitting power stored in the battery to the light emitting unit and determining whether to transmit power according to the control signal; Further comprising: a light emitting device mounted on the line.
5. The method of claim 4,
The light emitting unit includes a plurality of light emitting cells,
Wherein the control unit transfers a plurality of power sources from the battery to the plurality of light emitting cells according to a predetermined ON / OFF pattern, and changes the predetermined ON / OFF pattern according to the control signal.
5. The method of claim 4,
Further comprising an illuminance sensor for measuring illuminance,
Wherein the controller determines the size of the power transmitted from the battery to the light emitting unit according to the measured value of the illuminance sensor or the control signal.
The method according to claim 6,
The light emitting unit includes a plurality of light emitting cells,
The control unit is adapted to transmit a plurality of power sources from the battery to the plurality of light emitting cells in accordance with one of a plurality of on / off patterns, and to use the plurality of on / off patterns according to a measured value of the illuminance sensor or the control signal A line-mounted light emitting device for selecting an on / off pattern.
The method according to claim 1,
A window configured to transmit light; And
A cover connected to the window and configured to block light, the cover receiving the measuring current transformer, the power source current transformer, the light emitting portion, the driving portion, and the switch; Further comprising:
Wherein the light emitting unit is disposed closer to the window than the measuring current transformer, the power supply current transformer, the driving unit, or the switch, and emits light toward the window.
At least one light emitting device installed in a line and generating a power source derived from a current flowing through the line using a current transformer having a variable ratio according to a current flowing through the line and emitting light using the generated power source; And
A remote control device for remotely transmitting a control signal to the at least one light emitting device; Lt; / RTI >
Wherein the at least one light emitting device controls whether or not to emit light in accordance with the control signal.

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