KR20140066005A - Monitoring system using controller in electrical heat tracing system using self regulating heating cable - Google Patents

Monitoring system using controller in electrical heat tracing system using self regulating heating cable Download PDF

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Publication number
KR20140066005A
KR20140066005A KR1020120133177A KR20120133177A KR20140066005A KR 20140066005 A KR20140066005 A KR 20140066005A KR 1020120133177 A KR1020120133177 A KR 1020120133177A KR 20120133177 A KR20120133177 A KR 20120133177A KR 20140066005 A KR20140066005 A KR 20140066005A
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KR
South Korea
Prior art keywords
master
group
control unit
unit
units
Prior art date
Application number
KR1020120133177A
Other languages
Korean (ko)
Inventor
최기호
Original Assignee
주식회사 화인 코리아
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 화인 코리아 filed Critical 주식회사 화인 코리아
Priority to KR1020120133177A priority Critical patent/KR20140066005A/en
Publication of KR20140066005A publication Critical patent/KR20140066005A/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables

Abstract

Provided is a monitoring system having a controller for effective management and control in a system using a self-regulating heating cable. The monitoring system using the controller in an electric heat tracing system using the self-regulating heating cable comprises: a master control unit(100) connected to a remote supporting system(10); a system terminal (50) connected to the master control unit (100); a plurality of slave control units (110, 120) connected to the master control unit (100); a master power unit (200) of group 1 connected to the master control unit (100); a plurality of slave power units (210, 220, 230) of the group 1 connected to the master power unit (200) of the group 1; a master power unit (300) of group 2 connected to one selected between the slave control units (100, 120); and a plurality of slave power units (310, 320, 330) of the group 2 connected to the master power unit (200) of the group 2, wherein the system terminal (50) is configured to transmit a control command to the slave control units (110, 120) and the master power unit (200) of the group 1 connected to the master control unit (100), and to display state information.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring system using an electric heat tracing system,

The present invention provides a technique for efficient control and management in a facility structure in which a constant temperature wire is used to prevent frost and maintain a constant temperature of various pipes and tanks such as nuclear power plants, water pipes, water meters, water and gas storage tanks .

Particularly, the present invention is a technology for providing a monitoring system using a controller in a control and management system using constant temperature preheating.

A constant-temperature electric wire is a self-regulating hot line that has a characteristic of raising and lowering the heat by itself according to the ambient temperature change. It is mainly used for pipes, tanks, and facilities requiring constant temperature maintenance. And a system for detecting and managing and controlling the temperature change state of the constant-temperature electric wire have been developed.

However, the conventional control system used for signal control of the constant - temperature electric wire has difficulty in effective and efficient management and control because the information collection and detection signal system is not efficient.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a controller for effective management and control in a system in which a constant-temperature wire is used.

It is still another object of the present invention to provide a monitoring system having a controller for effective management and control in a system in which a constant-temperature electric wire is used.

In order to achieve the above object, a monitoring system using a controller in an electric heat tracing system using a constant-temperature electric wire according to the present invention includes a master control unit 100 connected to a remote support system 10, A plurality of slave control units 110 and 120 connected to the master control unit 100,

A master power unit 200 of group 1 connected to the master control unit 100,

A plurality of subordinate power units (210, 220, 230) of group 1 connected to the master power unit (200) of the group 1,

A master power unit 300 of group 2 connected to any one of the slave control units 110 and 120,

A plurality of subordinate power units 310, 320.330 of group 2 connected to the master power unit 200 of group 2,

The system terminal 50 is configured to be able to transmit control commands and display status information to the slave control units 110 and 120 connected to the master control unit 100 and the master power unit 200 of the group 1 .

The monitoring system including the controller of the constant-temperature electric wire of the present invention includes a master control unit 100 connected to the remote support system 10, a system terminal 50 connected to the master control unit 100, A plurality of subordinate control units 110 and 120 connected to the control unit 100 and a master power unit 200 of a group 1 connected to the master control unit 100 and a plurality of subordinate control units 110 and 120 connected to the master power unit 200 of the group 1 A master power unit 300 of a group 2 connected to one of a plurality of slave power units 210 and 220 230 of the group 1 to be connected and selected ones of the slave control units 110 and 120 and a master power unit 200 of the group 2, And a plurality of slave power units 310 and 320.330 of the group 2 connected to the master control unit 100 and the master control unit 100. The system terminal 50 includes the slave control units 110 and 120 connected to the master control unit 100, ) Control It is possible to effectively manage and control the electrothermal tracking system in which the constant-temperature electric wire is used.

1 is a block diagram of a monitoring system using a controller used in an electric heat tracing system using a constant-temperature electric wire of the present invention.
2 is a block diagram of a master control unit;
3 is a block diagram of a slave control unit;
4 is a block diagram of a master power unit;
5 is a block diagram of a slave power unit;

Hereinafter, the technical structure and operation of the monitoring system using the controller in the electric heat tracing system using the constant-temperature electric wire of the present invention will be described in detail with reference to FIG. 1 to FIG.

The system terminal 50 connected to the remote support system 100 is connected to the master control unit 100 and transmits a control command to the master power source unit 200 of the group 1 in charge of the master control unit 100, 1 to display all status information for each power unit.

That is, the system terminal 50 implements a control command input function, a command input function to the individual power unit, and a status information display function for each power unit.

The master control unit 100 transmits the control command inputted from the terminal of the remote support system 10 to the corresponding group of the power units in charge of the master and the slave control unit and collects the power unit status information of the corresponding group . The control unit is divided into a master control unit 100 and a slave control unit 110 or 120 according to whether the remote interface 101 function is supported or not.

The remote interface 101 of the master control unit supports functional circuits and communication functions to support connection with a remote computer.

The system terminal interfaces 102 and 112 of each control unit support functional circuits and communication functions for direct connection to the system in the field.

The power unit interfaces 103 and 113 of each control unit support functions and communication functions for supporting connection with the master power unit 200.

The output interfaces (104, 114) of each control unit support external alarm and indicator functions.

The controller circuits 105 and 115 of each control unit are provided with a CPU for controlling the operation inside the unit and a peripheral configuration circuit and process the control command inputted from the remote terminal and the control command inputted from the system terminal 50. [

The rail bus interfaces 106 and 116 of each control unit incorporate a function circuit for supporting power and data sharing among the control units to collect control commands input from the terminal of the remote support system 10, Transferring storage, analysis, and control commands to each power unit, and selecting a master or a slave unit.

On the other hand, the power unit is responsible for controlling the supply power to the constant-temperature electric wire, and transmits the status information of the unit to the corresponding control unit. The power unit is divided into a master power unit 300 and slave power units 310, 320, and 330 according to whether the function of the control unit interface 302 is supported.

The controller circuits 301 and 311 of each power unit incorporate a CPU for controlling the operation inside the unit and a peripheral configuration circuit to process the control command inputted from the remotely and the control command inputted from the system terminal 50.

The control unit interface (302) of the master power unit supports functional circuits and communication functions to support connection with slave control units.

The sensor input circuits 303 and 312 of each power unit are provided with functional circuits for supporting inputs to the sensors.

The zero crossing detection circuits 304 and 313 of each power unit are provided with a circuit for detecting a zero point where there is no current change in order to prevent electrical noise generated by random on / off switching of the AC power source.

The power control circuits 305 and 314 of each power unit are provided with a circuit for outputting the controlled power to the input AC power, and are turned on / off in accordance with the output signal of the zero crossing detection circuit.

The rail bus interfaces 306 and 315 of the respective power units are provided with functional circuits for supporting power and data sharing among the power units to analyze and process input control commands and to execute a diagnostic function for sensors and constant temperature wires Transfer information about the status of each unit or select a master or slave unit.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to be exhaustive or to provide additional advantages in the light of the above teaching. shall. Therefore, it is intended that the present invention not be limited to the above-described description and drawings, and that various changes and modifications may be effected therein by those skilled in the art without departing from the scope of the present invention. Should be included in the scope of the claims set forth in the claims of the present invention.

10 - Remote Support System
50 - System terminal
100 - Master control unit
110,120 - slave control unit
200,300 - Master Power Unit
210,220,230,310,320,330 - Slave power unit
101 - Remote Interface
102,112 - System Terminal Interface
103,113 - Power unit interface
104,114 - Output interface
105,115,301,311 - Controller circuit
106,116,306,315 - Rail bus interface
302 - Control unit interface
303,312 - Sensor input circuit
304,313 - Zero crossing detection circuit
305,314 - Power control circuit

Claims (1)

A master control unit 100 connected to the remote support system 10; a system terminal 50 connected to the master control unit 100; a plurality of slave control units 100 connected to the master control unit 100; 110, 120)
A master power unit 200 of group 1 connected to the master control unit 100,
A plurality of subordinate power units (210, 220, 230) of group 1 connected to the master power unit (200) of the group 1,
A master power unit 300 of group 2 connected to any one of the slave control units 110 and 120,
A plurality of subordinate power units 310, 320.330 of group 2 connected to the master power unit 200 of group 2,
The system terminal 50 is configured to be able to transmit control commands and display status information to the slave control units 110 and 120 connected to the master control unit 100 and the master power unit 200 of the group 1 Monitoring system using electrothermal tracking system using constant - temperature electric wire.
KR1020120133177A 2012-11-22 2012-11-22 Monitoring system using controller in electrical heat tracing system using self regulating heating cable KR20140066005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120133177A KR20140066005A (en) 2012-11-22 2012-11-22 Monitoring system using controller in electrical heat tracing system using self regulating heating cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120133177A KR20140066005A (en) 2012-11-22 2012-11-22 Monitoring system using controller in electrical heat tracing system using self regulating heating cable

Publications (1)

Publication Number Publication Date
KR20140066005A true KR20140066005A (en) 2014-05-30

Family

ID=50892735

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120133177A KR20140066005A (en) 2012-11-22 2012-11-22 Monitoring system using controller in electrical heat tracing system using self regulating heating cable

Country Status (1)

Country Link
KR (1) KR20140066005A (en)

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