WO2013100274A1 - Apparatus and method for gathering underground facilities data - Google Patents
Apparatus and method for gathering underground facilities data Download PDFInfo
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- WO2013100274A1 WO2013100274A1 PCT/KR2012/003628 KR2012003628W WO2013100274A1 WO 2013100274 A1 WO2013100274 A1 WO 2013100274A1 KR 2012003628 W KR2012003628 W KR 2012003628W WO 2013100274 A1 WO2013100274 A1 WO 2013100274A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
- H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee
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Abstract
Underground facilities data gathering apparatus and method are provided. The data gathering apparatus for managing underground facilities includes a data gathering unit configured to gather measurement data measured by a measuring instrument installed in underground facilities, a wired communication unit configured to transmit the measurement data to a ground repeater through a wired communication device, a wireless communication unit configured to transmit the measurement data to the ground repeater through a wireless communication device, a power managing unit configured to select power supplied together with wired communication through the wired communication unit and power supplied from a battery, supply the selected power as main power, and change the main power to different power when the selected main power is cut off, and a controller configured to determine any one of the wired communication unit and the wireless communication unit, as a basic communication unit, control the determined basic communication unit to transmit the measurement data, change the basic communication unit to a different backup communication unit to transmit the measurement data when the basic communication unit has a communication error.
Description
The present invention relates to an apparatus and method for gathering underground facilities data
Underground facilities generally refer to various facilities buried underground in order to improve living conditions such as a water supply service, a sewerage system, communication, electricity, an oil pipeline, a heating pipe, and the like.
Due to the characteristics of underground facilities that various facilities are buried within a limited underground space, an accident is highly likely to occur, and an occurrence of an accident leads to inconvenience of many people's living conditions. Thus, monitoring and inspection of facilities are essential in terms of maintenance.
Meanwhile, underground facilities are installed underground, making it difficult to access for maintenance, so equipment for monitoring the underground facilities are installed on land to gather sensed data.
For example, in case of a flowmeter installed in a water supply service and a sewerage system, an electronic ultrasonic flowmeter, an electronic flowmeter, and the like, are mainstream, and obtained data is transferred to an external control device through a fixed line.
Recently, various techniques for making underground facilities intelligent by applying a ubiquitous sensor network (USN) technique thereto have been developed, and as for flowmeters, electronic battery flowmeter techniques employing a wireless communication technique tend to be developed.
The wireless communication-based electronic flowmeter does not incur additional cost for power source and fixed line communication wiring and provides a desirable environment for providing services such as a measurement, inspection, and the like, using a mobile terminal through wireless communication. Also, a problem in restriction in a position of a control device can be solved by transmitting flow rate data sensed through wireless communication.
In spite of the great deal of advantages, wireless communication has problems in which there is a possibility in which reliability thereof is degraded by an influence of a surrounding environment, and when a flowrate chamber or a manhole is submerged, a wireless transmission cannot be performed frequently.
Namely, data reliability of flowmeters of a water supply service and a sewerage system as infrastructures of urban areas are very significant, but it is difficult to perfectly guarantee the reliability thereof by the wireless communication technique.
Also, fixed line facilities for remotely gathering data are furnished for existing various electronic flowmeters, so the necessity for mixedly using a wireless scheme and a wired scheme is required for flowmeters to be employed in the future.
The above information disclosed in this Background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
The present invention has been made in an effort to provide underground facilities data gathering apparatus and method having advantages of stably gathering data of underground facilities such as a flowmeter for a water supply service and a flowmeter for a sewerage system.
An exemplary embodiment of the present invention provides a data gathering apparatus for managing underground facilities, including: a data gathering unit configured to gather measurement data measured by a measuring instrument installed in underground facilities; a wired communication unit configured to transmit the measurement data to a ground repeater through a wired communication device; a wireless communication unit configured to transmit the measurement data to the ground repeater through a wireless communication device; a power managing unit configured to select power supplied together with wired communication through the wired communication unit and power supplied from a battery, supply the selected power as main power, and change the main power to different power when the selected main power is cut off; and a controller configured to determine any one of the wired communication unit and the wireless communication unit, as a basic communication unit, control the determined basic communication unit to transmit the measurement data, change the basic communication unit to a different backup communication unit to transmit the measurement data when the basic communication unit has a communication error.
The wired communication unit may include at least one of a power line communication (PLC) module and a serial communication module (RS 485 or RS-232) which simultaneously transfers data communication and power through a dual-type communication line, and the wireless communication unit may include at least one of a Zigbee communication module an ISA 100 communication module, and a wireless HART communication module.
In transmitting the measurement data, when the number of times of generation of a communication error by the basic communication unit is accumulated to be equal to or greater than a pre-set reference number or when communication is not continuously performed, the controller may change the basic communication unit to the backup communication unit.
The measuring instrument may be a flowmeter that measures a flow rate of a water supply service and that of a sewerage system, and the power managing unit may supply power to the flowmeters.
Another embodiment of the present invention provides a data transmitting method of a data gathering apparatus for managing underground facilities, including: (a) gathering measurement data measured by a measuring instrument installed in underground facilities; (b) determining any one of a wired communication unit and a wireless communication unit, as a basic communication unit and transmitting the measurement data to a ground repeater by using the determined basic communication unit; c) when a communication error is generated while the measurement data is being transmitted by using the basic communication unit, determining whether or not the number of times of accumulation of the communication error is greater than a pre-set reference number; and d) when the number of accumulation of the communication error is equal to or greater than the pre-set reference number, changing the basic communication unit to a different backup communication unit to transmit the measurement data.
In step d), communication error information including at least one of information obtained by coding a cause of the communication error, the number of times of failure, time, identification information of a communication module, and installation position information may be added to the measurement data.
According to an embodiment of the present invention, reliability of gathering data by a measuring instrument using a wireless communication technique can be enhanced, and utilization can be increased by maintaining compatibility with facilities using a conventional wired communication technique.
Also, redundant power supply using a battery can be effectively applied to existing flowmeter chamber facilities without an additional facilities construction.
In addition, when a wired or wireless communication unit has an error due to a surrounding environmental influence, the wired or the wireless communication unit is changed to a different backup communication unit to stably transmit measurement data to secure reliability of gathering of measurement data.
Moreover, a USN-based network allowing for intelligent machine-to-machine (M2M) communication can be established by applying the present invention to a measuring device without a remote meter reading function.
FIG. 1 is a view schematically showing the configuration of a system for gathering underground facility data according to an embodiment of the present invention.
FIG. 2 is a view showing the configuration of an apparatus for gathering data having a network redundancy function according to an embodiment of the present invention.
FIG. 3 is a flow chart illustrating a process of a method for gathering underground facilities data according to an embodiment of the present invention.
In the following detailed description, only certain exemplary embodiments of the present invention have been shown and described, simply by way of illustration. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not restrictive. Like reference numerals designate like elements throughout the specification.
Throughout the specifciation, unless explicitly described to the contrary, the word "comprise" and variations such as "comprises" or "comprising", will be understood to imply the inclusion of stated elements but not the exclusion of any other elements. In addition, the terms "-er", "-or" and "module" described in the specification mean units for processing at least one function and operation and can be implemented by hardware components or software components and combinations thereof.
Hereinafter, an apparatus and method for gathering underground facilities data according to embodiments of the present invention will be described in detail.
FIG. 1 is a view schematically showing the configuration of a system for gathering underground facility data according to an embodiment of the present invention.
With reference to FIG. 1, a system for gathering underground facilities data according to an embodiment of the present invention includes a measuring instrument 100 measuring a state of underground facilities, a data gathering apparatus 200 gathering measurement data and transferring the gathered data to the outside through wired or wireless communication, and a repeater 300 transferring the measurement data transferred from the data gathering apparatus 200 to a central management system (not shown) managing underground facilities.
The measuring instrument 100 refers to an instrument for measuring a state of underground facilities. For example, the measuring instrument may be a flowmeter for measuring the amount of a fluid flowing in a pipe such as a water supply service, a sewerage system, a gas pipe, an oil pipeline, or a heating pipe. As the flowmeter, an electronic ultrasonic flowmeter, an electronic flowmeter, a turbine flowmeter, a differential pressure type flowmeter, or the like, may be configured.
In describing embodiments of the present invention hereafter, the measuring instrument 100 is assumed to be a flowmeter, but the present invention is not limited thereto and the flowmeter may include various sensors for measuring states of underground facilities according to types thereof.
The data gathering apparatus 200 according to an embodiment of the present invention, which is a network redundancy communication apparatus including a heterogeneous communication module, gathers measurement data measured by the measuring instrument 100 and transfers the gathered data to the repeater 300 by selectively using any one of wired communication and wireless communication.
The repeater 300 serves to periodically or aperiodically receive the measurement data of the underground facilities from the at least one data gathering apparatus 200 and transfer the received measurement data to the central management system.
Here, like the data gathering apparatus 200, the repeater 300 also has a network redundancy communication structure available for wired and wireless communication, and may be connected to a plurality of data gathering apparatuses 200.
The configuration of the data gathering apparatus 200 having a network redundancy function according to an embodiment of the present invention will be described in detail with reference to FIG. 2.
FIG. 2 is a view showing the configuration of an apparatus for gathering data having a network redundancy function according to an embodiment of the present invention.
With reference to FIG. 2, the underground facilities data gathering apparatus 200 according to an embodiment of the present invention includes a data gathering unit 210, a wired communication unit 220, a wireless communication unit 230, a power managing unit 240, a battery 250, and a controller 260.
The data gathering unit 210 gathers measurement data measured by the measuring instrument 100.
The data gathering unit 210 supports a standard protocol such as modbus for compatibility with various measuring instruments 100.
The modbus, one of automation protocols widely spread in the world, has compatibility so as to be used as a communication standard of numerous industrial devices such as a power line communication (PLC), a distributed control system (DCS), a human machine interface (HMI), a measuring instrument, a meter, and the like, as well as serial communication equipment (e.g., RS-232/422/485). Thus, the data gathering unit 210 has compatibility to gather measurement data by interworking with various types of measuring instruments 100.
The wired communication unit 220 transmits the measurement data gathered by the data gathering unit 210 to the repeater 300, and includes at least one of a power line communication (PLC) module 221 and a serial communication module 222.
The wired communication unit 220 may supply data communication and power together, and effectively, the PLC module 221 is able to transmit measurement data and power together through a dual-type line.
Also, the serial communication module 222 may be configured as any one of RS-485 and RS-232, and in this case, a power line and a communication line may be separately configured.
The wireless communication unit 230 transmits the measurement data gathered by the data gathering unit 210 to the repeater 300 through wireless communication, and includes at least one of a Zigbee communication module 231, an ISA 100 communication module 232, and a wireless HART communication module 233 as a common communication network interface allowing for interoperability between different wireless field communication networks.
The Zigbee communication module 231 is a wireless communication module available for low power wireless networking supporting near field communication.
The ISA 100 communication module 232 is a wireless communication module which has low complexity, has a reasonable price, and uses low power by a wireless connection standard protocol for industrial monitoring, logging, alarming, and the like.
The wireless HART communication module 233 is a wireless communication module which is compatible with an existing HART protocol by an open interoperability wireless communication standard and supports a control and automation system.
The Zigbee communication module 231, the ISA 100 communication module 232, and the wireless HART communication module 233 have in common in that they incur low cost, consume low power, and interwork with an existing network, and are generic technology for gathering and managing environment information through a sensor in a USB-based environment.
The power managing unit 240 supplies power supplied together with wired communication to a main power through the wired communication unit 220, and when the main power through the weird communication unit 220 is cut off, the power managing unit 240 supplies power of a battery 250, as emergency power. The power managing unit 240 may supply power to the measuring instrument 100 as necessary.
Also, the power managing unit 240 may supply power of the battery 250, as main power, and in this case, the power managing unit 240 may change power supplied through the wired communication unit 220 to charge the battery 250.
The battery 250 accumulates power supplied through the wired communication unit 220 and supplies emergency power or main power under the control of the power managing unit 240.
The controller 260 stores various programs and data for operating the underground facilities data gathering apparatus 200, and controls general operations of respective elements for the operation based on the stored various programs and data.
The controller 260 may be configured, for example, as a micro-controller unit (MCU), and transmits the gathered measurement data by using any one of the wired communication unit 220 and the wireless communication unit 230.
In transmitting the measurement data using the wired communication unit 220 or the wireless communication unit 230 set as a default, when communication errors are accumulated to be equal to or greater than a pre-set reference number or when communication is not continuously performed, the controller 260 changes a current communication network to a different backup communication network.
Here, the controller 260 may determine changing to wired communication or wireless communication and process a determined communication protocol to transmit the measurement data.
Also, the controller 260 encodes log information according to a generation of a communication error, records it, and transfers error generation history to a central management system through the repeater 300 so as to be referred to for maintenance.
Hereinafter, in describing a process of gathering measurement data according to network redundancy communication by the underground facilities data gathering apparatus 200 according to an embodiment of the present invention and transferring the gathered measurement data to the repeater 300, it is assumed that wireless communication is used as a default.
FIG. 3 is a flow chart illustrating a process of a method for gathering underground facilities data according to an embodiment of the present invention.
With reference to FIG. 3, the data gathering apparatus 200 according to an embodiment of the present invention gathers measurement data measured by the measuring instrument 100 such as a flowmeter installed in a water supply service or a sewerage system (S110).
The data gathering apparatus 200 generates a measurement data transmission message according to a transmission protocol of the wireless communication unit 230 set as a basic unit (S120) and transmits the measurement data through the wireless communication unit 230 (S130). Here, the data gathering apparatus 200 may attempt to transmit the measurement data by using any one of the Zigbee communication module 231, the ISA 100 communication module 232, and the wireless HART communication module 233.
When the data gathering apparatus 200 successfully transmits the measurement data (S140; YES), the data gathering apparatus 200 terminates the transmission of the corresponding measurement data, but when the data gathering apparatus 200 fails to transmit the measurement data (S140; NO), the data gathering apparatus 200 records the log information by adding the number of times of a communication error one time thereto (S150).
The data gathering apparatus 200 compares the number of times of accumulation of communication errors according to a failure of the transmission of the measurement data and a pre-set reference error number (e.g., three times), and when the number of times of accumulation of communication errors is smaller than the reference error number, the data gathering apparatus 200 returns to step S130 and attempts re-transmission (S160; NO).
Meanwhile, when the number of times of accumulation of communication errors is equal to or greater than the reference error number (S160; YES), the data gathering apparatus 200 adds communication error information to the measurement data transmission message (S170). The communication error information may include at least one of information obtained by coding a cause of the communication error, the number of times of failure, time, and identification information (installation position and type) of the communication module.
And then, the data gathering apparatus 200 changes the measurement data transmission means from the wireless communication unit 230 to the wired communication unit 220 to transmit the communication error information-added measurement data (S180). Here, the wired communication unit 220 may use any one of the PLC module 221 and the serial communication module (RS-485/RS-232) 222.
In this manner, according to an embodiment of the present invention, in gathering data by the measuring instrument 100 using the wireless communication technique, reliability of gathering measurement data can be enhanced and utilization thereof can be increased by maintaining compatibility with facilities using the conventional wired communication technique.
Also, redundant power supply using a battery can be effectively applied to existing flowmeter chamber facilities without an additional facilities construction.
In addition, when a wired or wireless communication unit has an error due to a surrounding environmental influence, the wired or the wireless communication unit is changed to a different communication unit to stably transmit measurement data to secure reliability of gathering of measurement data.
Moreover, a USN-based network allowing for intelligent machine-to-machine (M2M) communication can be established by applying the present invention to a measuring device without a remote meter reading function.
Embodiments of the present invention have been described, but the present invention is not limited thereto and may be various modified.
For example, in the embodiment of the present invention illustrated in FIG. 3, it is assumed that the data gathering apparatus 200 transmits the measurement data by using the wireless communication unit 230 as a default and when an error occurs repeatedly, the wireless communication unit 230 is changed to the wired communication unit 220 to transmit the measurement data, but the present invention is not limited thereto.
Namely, the data gathering apparatus 200 may use the wired communication unit 220 as a default, and when an error occurs, the measurement data may be transmitted by using the wireless communication unit 230.
Thus, since the data gathering apparatus 200 according to an embodiment of the present invention supports wireless communication and wired communication, when there is a problem with wireless communication or wired communication, a current network may be changed to a different network, thus enhancing reliability of monitoring underground facilities.
Also, the embodiments of the present invention may not necessarily be implemented only through the foregoing devices and methods but may also be implemented through a program for realizing functions corresponding to the configurations of the embodiments of the present invention, a recording medium including the program, or the like, and such an implementation may be easily made by a skilled person in the art to which the present invention pertains from the foregoing description of the embodiments.
While this invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
<Description of symbols>
100: measuring instrument 200: data gathering apparatus
210: data gathering unit 220: wired communication unit
211: power line communication module
212: serial communication module
230: wireless communication unit
231: Zigbee communication module
232: ISA 100 communication module
233: HART communication module
240: power managing unit 250: battery
260: controller 300: repeater
Claims (6)
- A data gathering apparatus for managing underground facilities, comprising:a data gathering unit configured to gather measurement data measured by a measuring instrument installed in underground facilities;a wired communication unit configured to transmit the measurement data to a ground repeater through a wired communication device;a wireless communication unit configured to transmit the measurement data to the ground repeater through a wireless communication device;a power managing unit configured to select power supplied together with wired communication through the wired communication unit and power supplied from a battery, supply the selected power as main power, and change the main power to different power when the selected main power is cut off; anda controller configured to determine any one of the wired communication unit and the wireless communication unit, as a basic communication unit, control the determined basic communication unit to transmit the measurement data, change the basic communication unit to a different backup communication unit to transmit the measurement data when the basic communication unit has a communication error.
- The underground facilities data gathering apparatus of claim 1, wherein the wired communication unit comprises at least one of a power line communication (PLC) module and a serial communication module (RS 485 or RS-232) which simultaneously transfers data communication and power through a dual-type communication line, andthe wireless communication unit comprises at least one of a Zigbee communication module an ISA 100 communication module, and a wireless HART communication module.
- The underground facilities data gathering apparatus of claim 1 or claim 2, wherein, in transmitting the measurement data, when the number of times of generation of a communication error by the basic communication unit is accumulated to be equal to or greater than a pre-set reference number or when communication is not continuously performed, the controller changes the basic communication unit to the backup communication unit.
- The underground facilities data gathering apparatus of claim 1, wherein the measuring instrument is a flowmeter that measures a flow rate of a water supply service and that of a sewerage system, and the power managing unit supplies power to the flowmeters.
- A data transmitting method of a data gathering apparatus for managing underground facilities, the method comprising:a) gathering measurement data measured by a measuring instrument installed in underground facilities;b) determining any one of a wired communication unit and a wireless communication unit, as a basic communication unit and transmitting the measurement data to a ground repeater by using the determined basic communication unit;c) when a communication error is generated while the measurement data is being transmitted by using the basic communication unit, determining whether or not the number of times of accumulation of the communication error is greater than a pre-set reference number; andd) when the number of accumulation of the communication error is equal to or greater than the pre-set reference number, changing the basic communication unit to a different backup communication unit to transmit the measurement data.
- The method of claim 5, wherein, in step d), communication error information including at least one of information obtained by coding a cause of the communication error, the number of times of failure, time, identification information of a communication module, and installation position information is added to the measurement data.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110145257A KR101219205B1 (en) | 2011-12-28 | 2011-12-28 | Apparatus and method for gathering underground facilities data |
| KR10-2011-0145257 | 2011-12-28 |
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| WO2013100274A1 true WO2013100274A1 (en) | 2013-07-04 |
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| PCT/KR2012/003628 WO2013100274A1 (en) | 2011-12-28 | 2012-05-09 | Apparatus and method for gathering underground facilities data |
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| KR (1) | KR101219205B1 (en) |
| WO (1) | WO2013100274A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180936A (en) * | 2014-09-10 | 2014-12-03 | 天地科技股份有限公司 | Mining intrinsic safety type micro-power-consumption wireless and wired communication self-powered pressure sensor |
| CN104346912A (en) * | 2013-07-31 | 2015-02-11 | 西门子公司 | Rotating unit with a device for wireless data transmission, and method for wireless data transmission |
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| KR101582491B1 (en) * | 2013-05-14 | 2016-01-05 | 주식회사 유비마이크로 | System, apparatus and portable terminal for reading and calibrating of the measuring instrument using HART communication from long distance |
| KR101588090B1 (en) * | 2013-12-11 | 2016-01-25 | 가천대학교 산학협력단 | System and method for automatic meter reading having a dual communication structure |
| KR101576618B1 (en) | 2014-01-23 | 2015-12-10 | 전자부품연구원 | Apparatus and method for gathering underground facility data |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040009611A (en) * | 2002-07-24 | 2004-01-31 | 이긍재 | Leakage sensing and monitoring system of water supply and drainage |
| KR20110114942A (en) * | 2010-04-14 | 2011-10-20 | 주식회사 한일환경테크 | Remote terminal unit of waterworks and sewage observation system |
| KR20110122331A (en) * | 2010-05-04 | 2011-11-10 | 주식회사 시뮬레이션테크 | System for recording and storing data of water supply facilities |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030087242A (en) * | 2002-05-08 | 2003-11-14 | 이긍재 | Leakage sensing apparatus of water supply and drainage |
| KR100832524B1 (en) * | 2006-10-31 | 2008-05-26 | 한국전력공사 | The detecting method and detecting apparatus of cable temperature and gas in underground power cable tunnel using sensing ubiquitous sensor network technology |
-
2011
- 2011-12-28 KR KR1020110145257A patent/KR101219205B1/en active IP Right Grant
-
2012
- 2012-05-09 WO PCT/KR2012/003628 patent/WO2013100274A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040009611A (en) * | 2002-07-24 | 2004-01-31 | 이긍재 | Leakage sensing and monitoring system of water supply and drainage |
| KR20110114942A (en) * | 2010-04-14 | 2011-10-20 | 주식회사 한일환경테크 | Remote terminal unit of waterworks and sewage observation system |
| KR20110122331A (en) * | 2010-05-04 | 2011-11-10 | 주식회사 시뮬레이션테크 | System for recording and storing data of water supply facilities |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104346912A (en) * | 2013-07-31 | 2015-02-11 | 西门子公司 | Rotating unit with a device for wireless data transmission, and method for wireless data transmission |
| US9757089B2 (en) | 2013-07-31 | 2017-09-12 | Siemens Aktiengesellschaft | Rotating unit with a device for wireless data transmission between two parts movable relative to one another, and method for wireless data transmission between two parts movable relative to one another |
| CN104346912B (en) * | 2013-07-31 | 2019-01-18 | 西门子公司 | The method of rotary unit and wireless data transmission with radio data-transmission equipment |
| CN104180936A (en) * | 2014-09-10 | 2014-12-03 | 天地科技股份有限公司 | Mining intrinsic safety type micro-power-consumption wireless and wired communication self-powered pressure sensor |
| CN108881605A (en) * | 2018-04-23 | 2018-11-23 | 江苏科技大学 | A kind of automobile-used manual control box of mobile communication and its control method |
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| Publication number | Publication date |
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| KR101219205B1 (en) | 2013-01-09 |
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