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KR20170044309A - Non-powered transceiver system - Google Patents

Non-powered transceiver system Download PDF

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Publication number
KR20170044309A
KR20170044309A KR1020150143830A KR20150143830A KR20170044309A KR 20170044309 A KR20170044309 A KR 20170044309A KR 1020150143830 A KR1020150143830 A KR 1020150143830A KR 20150143830 A KR20150143830 A KR 20150143830A KR 20170044309 A KR20170044309 A KR 20170044309A
Authority
KR
South Korea
Prior art keywords
temperature
wireless transceiver
sensor unit
bus bar
sensor
Prior art date
Application number
KR1020150143830A
Other languages
Korean (ko)
Inventor
박지영
송규호
Original Assignee
박지영
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.)
Filing date
Publication date
Application filed by 박지영 filed Critical 박지영
Priority to KR1020150143830A priority Critical patent/KR20170044309A/en
Publication of KR20170044309A publication Critical patent/KR20170044309A/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/11—Weather houses or other ornaments for indicating humidity
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H02J17/00—
    • H02J7/025—
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/40—Remote control systems using repeaters, converters, gateways

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Emergency Management (AREA)
  • Atmospheric Sciences (AREA)
  • Power Engineering (AREA)
  • Environmental Sciences (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The present invention relates to a non-powered transceiver system to wirelessly supply operation power of a temperature sensor installed in a proper position and power required for transmitting information of the temperature sensor in order to monitor a trouble generated inside a distribution panel enclosure and a bus duct installed in a power plant, a transmission side, and a large factory, or heat generated therein by a certain cause. According to the present invention, the system comprises: a sensor unit to measure a temperature of a bus bar of the distribution panel or bus duct; a wireless transceiver to transmit the temperature acquired by the sensor unit to the outside and to receive an external command; an energy harvesting device including a coil unit to generate induced electromotive force from a magnetic field generated from the bus bar in order to supply the operation power for the sensor part and the wireless transceiver, and an electronic circuit unit to supply the induced electromotive force generated in the coil unit as setting voltage; a repeater to relay the temperature and the external command for the wireless transceiver; and a management server including a program which receives the temperature, and alarms or stops operation of the sensor unit, the wireless transceiver, and the energy harvesting device when the received temperature exceeds a setting temperature.

Description

[0001] The present invention relates to a non-powered transceiver system for monitoring the temperature of a busbar of a switchboard or a bus duct,

The present invention relates to an operation power source of a temperature sensor installed at a proper position in order to monitor the occurrence of a trouble in a power plant, a power plant, a switchboard box installed in a large factory, a bus duct, And a non-power supply transmitting / receiving system that wirelessly supplies power required to transmit information of a temperature sensor to the outside.

It is necessary to monitor the temperature change periodically in order to prevent the power interruption due to fire such as fire in the high voltage line where power is handled at power plants and substations. Installation is required.

That is, in order to maintain the safety of the busbars of the distribution board or bus duct distributing the high-voltage busbars, the temperature of the busbars should be continuously measured to check temperature changes.

Conventional methods have been used to measure temperature temporarily by using a remote temperature meter or wire, and there have been many difficulties in cost and management of the temperature measurement system using a wire.

Since the existing wireless temperature measurement system requires a power supply, a separate power supply is required.

Patent Registration No. 10-1134391 (Publication date Apr. 09, 2012)

The present invention relates to a system and method for controlling a temperature of a switchboard or a bus duct, collecting temperature of the booth bar and detecting an abnormality of the booster bar, The present invention aims to provide a power supplyless transmission / reception system that does not require a separate power supply by supplying power by generating power by itself using a coil.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided an apparatus for measuring a temperature of a booth bar of a switchboard or a bus duct, A wireless transceiver for transmitting the temperature acquired by the sensor unit to the outside and receiving an external command; A coil part for generating an induced electromotive force by a magnetic field generated from the bus bar and an electronic circuit part for supplying an induced electromotive force generated in the coil part to a set voltage for supplying operating power of the sensor part and the wireless transceiver, Energy harvesting apparatus; A relay for relaying the temperature and the external command of the wireless transceiver; And a management server having an alarm or a program for stopping the operation of the sensor unit, the wireless transceiver, and the energy harvesting device when the temperature is received and the temperature exceeds the set temperature. This is accomplished by a non-powered transceiver system for busbar temperature monitoring.

When the non-power transmission / reception system according to the present invention is adopted, it is possible to accurately check the booth bar temperature in the switchboard or bus duct to check the integrity of the switchboard or the bus duct, and to prevent accidents such as fire and power cut- .

In addition, it is possible to operate temperature sensor and other sensor without separate power supply or battery when installing non-power transmission / reception system in the switchboard or bus duct, thus it is easy to maintain and repair, and cost is saved because there is no need for power supply and wire for data transmission Thereby providing an economic advantage of reducing the cost of the user.

It is also possible to collect temperature and other data for all busbars in the switchboard and to increase the safety of the high-voltage transmission system by collecting in real time the necessary information on the required position of the bus duct.

In addition, due to the wireless transmitting / receiving device with ID, it is possible to collect the temperature at each position of the switchboard or bus duct in real time. Therefore, the safety of the user's switchboard and booth duct An increase effect can be expected.

FIG. 1 is a schematic configuration diagram of a non-power supply transmitting / receiving system according to the present invention,
FIG. 2 is a view showing a coil part of the non-power supply transmitting and receiving system according to the present invention,
3 is a view illustrating an electronic circuit unit of a non-power supply transmitting and receiving system according to the present invention,
4 is a block diagram of a wireless transceiver of the wireless transmission / reception system according to the present invention.

A non-power supply transmitting / receiving system (hereinafter referred to as a 'non-power supply transmitting / receiving system') for monitoring the temperature of a bus bar of an electric distribution panel or a bus duct according to the present invention includes a sensor unit 10 for measuring a temperature of a bus bar of an electric distribution panel or a bus duct; A wireless transceiver 20 for transmitting the temperature acquired by the sensor unit 10 to the outside and receiving an external command; A coil part 30 for generating an induced electromotive force by a magnetic field generated in the bus bar to supply operating power of the sensor part 10 and the wireless transceiver 20, An energy harvesting device (50) comprising an electronic circuit part (40) for supplying an electromotive force to a set voltage; A repeater (60) for relaying the temperature and the external command transmitted from the radio transceiver (20); A management server 70 having an alarm or a program for stopping the operation of the sensor unit 10, the wireless transceiver 20, and the energy harvesting device 50 when the temperature is received and the temperature exceeds the set temperature; And a control unit.

In the non-power transmission / reception system, the sensor unit 10 includes a sensor unit for further measuring environmental information including humidity information around the bus bar, in addition to a temperature sensor for measuring temperature of the bus bar. The sensor unit may be, for example, a humidity sensor.

The electronic circuit unit 40 includes a converter for converting an AC electromotive force into a DC power, a rectifier and a power supply for supplying power of a set voltage, a condenser or a rechargeable battery for energy storage, a storage device for temporarily storing temperature and environment information And a wireless transmitting / receiving unit for transmitting temperature and environment information.

The coil part 30 includes a plurality of coils 31 for generating an induced electromotive force by a magnetic field generated from the bus bar, and a plurality of coils 31 connected to the plurality of coils 31 serially or in parallel, And a socket (32) which is formed of a metal plate.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

In the non-power-supply transmitting and receiving system according to the present invention, a magnetic field generated around a bus bar is used to generate power by using an induction coil, thereby supplying a self-contained power source.

The non-power supply transmitting / receiving system for power supply supplies power by induction electromotive force using an induction coil to a bus bar, measures the temperature by contacting the temperature sensor to the bus bar, and transmits temperature and other environmental information to the repeater 60 to the management server 70 in the control room.

The management server 70 of the control room receiving the temperature and other information through the wireless transceiver 20 or the repeater 60 manages the temperature of the bus bar and notifies the temperature and other environmental information at each point as well as the temperature gradient, , The system check, the set temperature reaching time, the temperature distribution of the whole system, etc., and prevent warnings and accidents in advance.

The core technology of the non-power source transmission / reception system is a technique and apparatus for generating an induced electromotive force from a booth bar. The induction coil 31 installed in the bus bar determines the size and number of windings of the induction coil 31, The induced electromotive force generated in the coil 31 is voltage amplified and used as a power source of the wireless transceiver 20.

The induction coil 31 installed in the bus bar for generating the induced electromotive force can be a rectangular or circular coil depending on the shape of the bus bar. The cross-sectional area of the coil 31 and the cross- Can be adjusted.

The wireless transceiver 20 uses Zigbee, which is one of IEEE 802.15.4 standards supporting short-range communication. ZigBee consumes the lowest power in its communication facilities and can transmit and receive freely within 100m.

The management server 70 of the control room collects and manages the temperature data of the busbars of the switchboards or bus ducts, and has a program that can grasp the temperature distribution, the temperature change graph, the temperature slope, and the expected temperature reaching point of the entire high- Thereby confirming the integrity of the high-voltage transmission system and preventing accidents in advance.

1, an energy harvesting apparatus 50 for generating an induced electromotive force in a booth bar, a sensor unit 10 for measuring temperature, humidity, and other environmental information, and a management server 70 And a management server 70 for receiving temperature and other environmental information and relaying the received temperature and other environmental information to the management server 70 of the control room and receiving and managing temperature and other environmental information of the booth bar .

The sensor unit 10 for measuring the temperature of the booth bar and other environmental information can use an IC temperature sensor, a thermistor, a surface wave temperature sensor or a variety of temperature sensors having reliability and accuracy, and a variety of sensors capable of measuring humidity and other information A sensor unit can be used.

The energy harvesting device 50 is installed on the surface of the bus bar and integrally formed with the sensor unit 10 and the wireless transceiver 20 for collecting temperature sensors and other environmental information.

The energy harvesting device 50 includes a coil part 30 for generating an induced electromotive force by a magnetic field generated from a bus bar and an electronic circuit part 40 for supplying an induced electromotive force generated in the coil 30 as a set voltage 3, the electronic circuit unit 40 includes a converter for converting AC electromotive force to DC power, a power supply for supplying power to the rectifier and the set voltage, and a condenser or rechargeable battery for energy storage, A storage unit for temporarily storing information, and a wireless transmitting / receiving unit for transmitting temperature and environment information.

The wireless transceiver 20 is composed of a ZigBee based on the IEEE 802.15 standard. The wireless transceiver 20 uses a low-power and mesh network method and transmits data to a destination via a plurality of intermediate nodes.

The repeater 50 relays the data transmitted from the wireless transceiver 20 of the energy harvesting device 50 to the management server 70 of the control room and receives signals from the management server 70 of the control room, (50) so that necessary data such as temperature can be transmitted.

The management server 70 has a program for statistically processing and managing data received from the repeater 60 or the energy harvesting device 50 to manage or monitor the bus bar temperature and other environmental information of the bus duct or the switchboard, Alarms, warnings, or outages, and is configured to manage or monitor all, some, or specific parts of the data.

In addition, the management server 70 can predict the maintenance / repair time of the switchboard or the bus duct through other data such as the arrival point of the set temperature of the bus bar and the degree of the temperature change, A program for wirelessly notifying the manager's wireless portable terminal by an alarm or a warning is formed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will readily occur to those skilled in the art without departing from the spirit and scope of the invention. Therefore, it should be understood that the disclosed embodiments are to be considered in an illustrative rather than a restrictive sense, and that the true scope of the invention is indicated by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof, .

10: Sensor unit
20: Wireless Transceiver
30: coil part
31: Coil
32: Socket
40:
50: energy harvesting device
60: repeater
70: management server

Claims (5)

A sensor unit 10 for measuring the temperature of the bus bar of the switchboard or the bus duct;
A wireless transceiver 20 for transmitting the temperature acquired by the sensor unit 10 to the outside and receiving an external command;
A coil part 30 for generating an induced electromotive force by a magnetic field generated in the bus bar to supply operating power to the sensor part 10 and the wireless transceiver 20, An energy harvesting device (50) comprising an electronic circuit part (40) for supplying an electromotive force to a set voltage;
A repeater (60) for relaying the temperature and the external command transmitted from the radio transceiver (20);
A management server 70 having an alarm or a program for stopping the operation of the sensor unit 10, the wireless transceiver 20, and the energy harvesting device 50 when the temperature is received and the temperature exceeds the set temperature;
Wherein the booth bar temperature monitoring system comprises:
The method according to claim 1,
The sensor unit 10
Wherein a sensor unit is further included to measure environmental information including humidity information around the bus bar in addition to a temperature sensor for measuring the temperature of the bus bar.
3. The method of claim 2,
The electronic circuit unit 40
A converter for converting AC electromotive force to DC power, a rectifier and a power supply for supplying a set voltage, and a condenser or a rechargeable battery for energy storage, a storage device for temporarily storing temperature and environment information, Receiving unit for monitoring the temperature of the busbar of the switchboard or the bus duct.
The method according to claim 1,
The coil part (30)
A plurality of coils 31 for generating an induced electromotive force by a magnetic field generated in the bus bar,
And a socket (32) fixed to the switchboard or the bus duct while connecting the plurality of coils (31) in series or in parallel, wherein the switchboard or the bus duct is connected to the switchboard or the bus duct.
The method according to claim 1,
The management server 70
A program for enabling a wireless wireless terminal to notify a wireless wireless terminal of an abrupt temperature change or a high voltage transmission interruption at a specific position or a specific temperature by an alarm or a warning, Powerless transmission and reception system.
KR1020150143830A 2015-10-15 2015-10-15 Non-powered transceiver system KR20170044309A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180133228A (en) * 2017-06-05 2018-12-13 홍익대학교 산학협력단 Highly efficient self -powered wireless sensor and sensor module
WO2019009657A1 (en) * 2017-07-06 2019-01-10 주식회사 코아칩스 Temperature measurement system using non-powered wireless sensor and temperature measurement method thereby
CN111817142A (en) * 2020-07-08 2020-10-23 江苏核电有限公司 On-line detection device and method for comprehensive fault alarm of switch cabinet for nuclear power station
KR102308420B1 (en) * 2021-02-09 2021-10-05 주식회사 엔피산업전기 Temperature Monitoring system for Switchboard(High-tension Panel, Low-tension Panel, Motor Control Center, Panel Board)
KR102308421B1 (en) * 2021-02-09 2021-10-05 주식회사 엔피산업전기 Switchboard(High-tension Panel, Low-tension Panel, Motor Control Center, Panel Board) with Temperature Monitoring Device
KR102382729B1 (en) * 2021-07-21 2022-04-08 (주)더원에코파워텍 Energy harvesting wireless power on-line indicator and high voltage power facility having thereof
KR102382939B1 (en) * 2021-07-19 2022-04-08 유영희 Energy harvesting wireless electricity meter and high voltage power facility having thereof
KR102503525B1 (en) 2022-04-29 2023-02-24 강철수 Switch boared monitoring system
KR20230030899A (en) * 2021-08-26 2023-03-07 임세희 Switchgear panel, busduct, transformer having pressure sensor operated by electromagnetic energy harvester
KR20230030898A (en) * 2021-08-26 2023-03-07 임세희 Switchgear panel, busduct, transformer having cooling fan operated by electromagnetic energy harvester
KR20230053961A (en) * 2021-10-15 2023-04-24 (주)조인에프에스 POWERLESS IoT GROUND SENSOR
KR102553534B1 (en) 2023-03-03 2023-07-10 주식회사 디투엔지니어링 A Switchboard(High pressure board, Low pressure board, Distribution board) monitoring overheating and insulation abnormalities using temperature sensors and UHF sensors.

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180133228A (en) * 2017-06-05 2018-12-13 홍익대학교 산학협력단 Highly efficient self -powered wireless sensor and sensor module
WO2019009657A1 (en) * 2017-07-06 2019-01-10 주식회사 코아칩스 Temperature measurement system using non-powered wireless sensor and temperature measurement method thereby
CN111817142A (en) * 2020-07-08 2020-10-23 江苏核电有限公司 On-line detection device and method for comprehensive fault alarm of switch cabinet for nuclear power station
KR102308420B1 (en) * 2021-02-09 2021-10-05 주식회사 엔피산업전기 Temperature Monitoring system for Switchboard(High-tension Panel, Low-tension Panel, Motor Control Center, Panel Board)
KR102308421B1 (en) * 2021-02-09 2021-10-05 주식회사 엔피산업전기 Switchboard(High-tension Panel, Low-tension Panel, Motor Control Center, Panel Board) with Temperature Monitoring Device
KR102382939B1 (en) * 2021-07-19 2022-04-08 유영희 Energy harvesting wireless electricity meter and high voltage power facility having thereof
KR102382729B1 (en) * 2021-07-21 2022-04-08 (주)더원에코파워텍 Energy harvesting wireless power on-line indicator and high voltage power facility having thereof
KR20230030899A (en) * 2021-08-26 2023-03-07 임세희 Switchgear panel, busduct, transformer having pressure sensor operated by electromagnetic energy harvester
KR20230030898A (en) * 2021-08-26 2023-03-07 임세희 Switchgear panel, busduct, transformer having cooling fan operated by electromagnetic energy harvester
KR20230053961A (en) * 2021-10-15 2023-04-24 (주)조인에프에스 POWERLESS IoT GROUND SENSOR
KR102503525B1 (en) 2022-04-29 2023-02-24 강철수 Switch boared monitoring system
KR102553534B1 (en) 2023-03-03 2023-07-10 주식회사 디투엔지니어링 A Switchboard(High pressure board, Low pressure board, Distribution board) monitoring overheating and insulation abnormalities using temperature sensors and UHF sensors.

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