KR20140059355A - Monitoring and management for environment at blanket area for vessels - Google Patents
Monitoring and management for environment at blanket area for vessels Download PDFInfo
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- KR20140059355A KR20140059355A KR1020120125433A KR20120125433A KR20140059355A KR 20140059355 A KR20140059355 A KR 20140059355A KR 1020120125433 A KR1020120125433 A KR 1020120125433A KR 20120125433 A KR20120125433 A KR 20120125433A KR 20140059355 A KR20140059355 A KR 20140059355A
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- signal
- environment
- communication unit
- steel structure
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 48
- 238000013523 data management Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000007613 environmental effect Effects 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 13
- 238000007726 management method Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- -1 noise Substances 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000002341 toxic gas Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 238000007781 pre-processing Methods 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000000246 remedial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
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- 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
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Tourism & Hospitality (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Toxicology (AREA)
- Economics (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to an environment monitoring and management system and method for monitoring the environment of a radio wave free zone of a ship. The environment is sensed by an environmental sensor, such as temperature, dissolved oxygen, noise, dust, D conversion of the A / D-converted sensor signal by the iron structure communicating unit, performing signal processing such as ultrasonic conversion for communication with another device, Transmitting a signal to the data management base station via the structure; And the signal transmitted from the wireless communication unit through the wireless communication unit is compressed by the data management base station and stored in the database, and the analysis of the data is performed, and it is determined whether the environmental condition of the operator is a dangerous situation. Issuing a warning, outputting an environment improvement command, receiving a control command from the data management base station, supplying the oxygen in the environment improvement processing unit, and taking an environmental remedial action, such as blocking the noxious gas.
Description
The present invention relates to a system and method for monitoring and monitoring the environment of a radio wave free zone of a ship, and more particularly to a system and method for monitoring and monitoring the environment of a non-circulating area by monitoring the environment of a non- And more particularly, to an environment monitoring, management system and method for monitoring the environment of a radio wave free zone of a ship in order to minimize the damage of an active worker in an empty area by sending an alarm signal.
Since the wireless channel environment of a ship is generally a steel structure, communication using radio waves is a very poor environment. In addition, the structure of the ship is not a single steel plate, but a plurality of steel plates are welded, and the inside is made of a reinforcing material structure capable of withstanding various forces received by the hull, and the ship is composed of various spaces such as an engine room and a cabin.
Most of the in-vessel communication networks are wired networks, and efforts are made to implement wireless communication networks using electromagnetic waves. However, since the materials of the hull structure are mostly steel structures, the wireless communication currently being studied is very difficult due to the characteristics of electromagnetic waves. In addition to this, the construction of the wireless communication network in the ship is very complicated due to these problems.
In other words, the ship control network establishes a wireless communication environment. However, the unstable iron structure attenuates as the high frequency current flowing in the portion thereof enters the inside from the surface due to the electromagnetic field acting on the surface of the conductor. The depth until the density decreases by 1neper to the current density of the surface is called the skin depth, and communication problems are caused by the depth of the skin.
The present invention has been developed in recognition of the problems of the prior art as described above. The present invention provides a real-time monitoring of the situation through the monitoring of the non-communicating area environment of a hull or an offshore structure, And to provide an environment monitoring and management system and a method for monitoring the environment of a non-radio wave area of a ship which can minimize the damage of an active worker in an untouched area by sending an alarm signal.
According to an aspect of the present invention, there is provided a system for monitoring and managing a radio wave disconnection area of a ship,
Measuring sensors for measuring the environment such as temperature, dissolved oxygen, noise and dust in steel structures of ships;
A sensor interfacing and A / D conversion circuit including active and passive elements for interfacing the sensor with other digital circuits;
A steel structure communication unit installed outside the steel structure and in the steel structure for communicating with a wireless communication unit on the land and a closed zone terminal within the steel structure;
The data input through the wireless communication unit is compressed and stored from the steel structure communicating unit. The data is analyzed and determined, and oxygen is supplied to the steel structure workplace on the basis of the sensor sensing data, Or send a command to shut off the dust or block the noise; And
And an environment improvement processing unit for transmitting an active command for substantial environmental improvement to an oxygen supply apparatus, a temperature control apparatus, a dust shutoff apparatus, a noise shielding apparatus or a gas shutoff apparatus by an instruction from the data management base station A radio wave disconnection area environment monitoring and management system is provided.
In one embodiment, the steel structure communication unit includes a preprocessing unit for performing a preprocessing process of signal conversion, an encoding unit for forming a code encrypted in a predetermined form, A digital modulation unit and a D / A converter for modulating and converting an analog signal into an analog signal that can be transmitted, an analog modulation and an ultrasonic amplifier for performing analog modulation and amplification so that the analog signal can be transmitted on a carrier wave, And an ultrasonic transducer for converting the amplified analog signal to generate and output an ultrasonic wave,
The iron structure communication unit may further include an ultrasound transducer for receiving ultrasound signals, a bandpass filter and an analog demodulator for filtering the received ultrasound by analog filtering such as noise filtering, An A / D converter and a digital demodulator for digital-demodulating the digital signal into a digital signal, a decoder for converting the signal encoded at the transmitter into an original signal, an equalizer for compensating for the signal distortion of the decoded signal, And a data processing unit for extracting original data through a process such as the following.
According to another embodiment of the present invention, there is provided a method for monitoring and managing a radio wave disconnection area environment of a ship,
D environment, such as temperature, dissolved oxygen, noise, dust, etc., in the steel structure of the ship is detected by an environmental sensor, performs digital interfacing and A / D conversion with the sensor by sensor interfacing and A / Performing a signal process such as ultrasonic conversion for the A / D-converted sensor signal by the structure communication unit to communicate with another device, and transmitting a signal to the data management base station via the iron structure; And
The signal transmitted from the wireless communication unit through the wireless communication unit is compressed by the data management base station and stored in the database, analyzed data, judged whether the environmental condition of the operator is a dangerous situation, And outputting an environment improvement command, receiving the control command from the data management base station, supplying the oxygen in the environment improvement processing unit, and taking an environment improvement measure such as blocking the noxious gas A method of monitoring and managing the environment of a radio wave free zone of a ship is provided.
In another embodiment, the environmental risk condition of the work structure of the steel structure is sensed by the sensor, transmitted to the data management base station through the steel structure communication unit, analyzed and determined by the data management base station, and transmitted to the operator through the wireless communication unit as an alarm signal And is transmitted directly to the operator through the closed zone terminal.
According to the present invention, it is possible to monitor the environment of a desired area by installing the device of the present invention in a radio wave disconnection area, unlike the conventional technology in which a worker or a security person directly checks a radio wave disconnection area of a ship or an offshore structure In addition, it is possible to control emergency evacuation, work instructions, and environment improvement system of the worker, thereby minimizing worker damage during construction and operation of ships and offshore structures.
FIG. 1 is a conceptual diagram illustrating a communication performed in a system for monitoring and managing the environment of a radio wave free zone of a ship according to an embodiment of the present invention.
FIG. 2 is a block diagram of a system for monitoring and managing the environment of a radio wave free zone of a ship according to an embodiment of the present invention.
3 is a block diagram illustrating the flow of a process for monitoring and managing the environment of a vessel in a radio wave disarray zone according to an embodiment of the present invention.
4 is a block diagram of a transmitter / receiver of the iron structure communication unit of FIG.
5 is a flowchart showing the flow of data processing performed by the data management base station.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0028] Hereinafter, a system for monitoring and managing a radio-frequency-free zone of a ship according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same or similar reference numerals are given to the same or similar portions.
FIG. 1 is a conceptual diagram illustrating a communication performed in a system for monitoring and managing the environment of a radio wave free zone of a ship according to an embodiment of the present invention.
Referring to the drawings, in the present invention, ultrasonic communication is performed through a steel structure communication (A). In a steel structure of a ship, a sensor C periodically senses temperature, CO2, 2 via the relay radio device F of the relay zone outside the steel structure B through the ultrasonic wave communication via the steel structure B, 50).
The sensor C compares an environment in the steel structure with data stored in the steel structure and issues an alarm when it is determined that data such as temperature or CO2 of the external environment threatens the life of the worker.
FIG. 2 is a block diagram of a system for monitoring and managing the environment of a radio wave free zone of a ship according to an embodiment of the present invention.
As shown in the figure, the system of the present invention includes a
3 is a block diagram illustrating the flow of a process for monitoring and managing the environment of a vessel in a radio wave disarray zone according to an embodiment of the present invention.
As shown in the figure, the
Next, the sensor interface and the A /
Then, the signal transmitted from the
The environmental risk condition of the steel structure workplace is sensed by the
4 is a block diagram of a transmitter / receiver of the iron structure communication unit of FIG.
As shown in the drawing, the preprocessing section 30-1, the encoding section 30-2, the digital modulation section 30-3, the D / A converter 30-4, the analog modulation and the ultrasonic wave amplification section 30-5 The frequency converters 30-6 and 30-7, the bandpass filter and analog demodulator 30-8, the A / D converter 30-9, the digital demodulator 30-11, the equalizer 30- 12, and a data processing unit 30-13.
In the transmitter, the data H transmitted to the steel
In the receiver, a signal received by the steel
5 is a flowchart showing the flow of data processing performed by the data management base station.
Referring to FIG. 5, the data
When the danger instruction is completed, the execution contents are stored in units of time, and the result and the problem are recorded and stored in a manual manner (S250).
As described above, according to the present invention, unlike the conventional technique in which a worker or a security person directly checks a radio wave disconnection area of a ship or an offshore structure in a ship, when the apparatus of the present invention is installed in a radio wave disconnection area, And it is possible to control the emergency evacuation, work instruction, and environment improvement system of the worker as well as to minimize the damage to the workers during construction and operation of ships and offshore structures.
Although the present invention has been described in detail with reference to the accompanying drawings, it is to be understood that such description is for the purpose of illustration and not of limitation of the invention described above And the scope of the present invention is defined by the appended claims rather than the foregoing description, and the scope of the present invention is to be limited only by the meanings and scope thereof, and all changes or modifications derived from equivalents thereof 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 invention.
10: sensor 20: sensor interface part
30: Steel Structure Communication Department
30-1: preprocessing section 30-2: encoding section
30-3: Digital Modulation Unit 30-4: D / A Converter
30-5: Analog Modulation and Ultrasonic Amplification Unit
30-6, 30-7: Frequency converter
30-8: bandpass filter and analog demodulator
30-9: A / D converter 30-11: Digital demodulator
30-12: equalizer 30-13: data processor
40: wireless communication unit 50: data management base station
60: Environment Improvement Processing Unit 70: Closed Area Terminal
80: Worker
100: Environmental monitoring and management system
200: Power supply unit
Claims (4)
Measuring sensors for measuring the environment such as temperature, dissolved oxygen, noise and dust in steel structures of ships;
A sensor interfacing and A / D conversion circuit including active and passive elements for interfacing the sensor with other digital circuits;
A steel structure communication unit installed outside the steel structure and in the steel structure for communicating with a wireless communication unit on the land and a closed zone terminal within the steel structure;
The data input through the wireless communication unit is compressed and stored from the steel structure communicating unit. The data is analyzed and determined, and oxygen is supplied to the steel structure workplace on the basis of the sensor sensing data, Or send a command to shut off the dust or block the noise; And
And an environment improvement processing unit for transmitting an active command for substantial environmental improvement to an oxygen supply apparatus, a temperature control apparatus, a dust shutoff apparatus, a noise shielding apparatus or a gas shutoff apparatus by an instruction from the data management base station Monitoring and management system of radio wave disbanded area.
The steel structure communication unit includes a preprocessing unit for performing a preprocessing process of signal conversion, an encoding unit for forming a code encrypted in a predetermined form, an analog signal processing unit for converting a digital signal into an analog signal An analog modulating and ultrasonic amplifying unit for performing analog modulation and amplification so that the analog signal can be transmitted on a carrier wave, and an analog modulating and ultrasonic amplifying unit for converting the amplified analog signal to a digital modulating unit and a D / And an ultrasonic transducer for generating and outputting ultrasonic waves,
The iron structure communication unit may further include an ultrasound transducer for receiving ultrasound signals, a bandpass filter and an analog demodulator for filtering the received ultrasound by analog filtering such as noise filtering, An A / D converter and a digital demodulator for digital-demodulating the digital signal into a digital signal, a decoder for converting the signal encoded at the transmitter into an original signal, an equalizer for compensating for the signal distortion of the decoded signal, And a data processor for extracting the original data through the same process as that of the first embodiment of the present invention.
D environment, such as temperature, dissolved oxygen, noise, dust, etc., in the steel structure of the ship is detected by an environmental sensor, performs digital interfacing and A / D conversion with the sensor by sensor interfacing and A / Performing a signal process such as ultrasonic conversion for the A / D-converted sensor signal by the structure communication unit to communicate with another device, and transmitting a signal to the data management base station via the iron structure; And
The signal transmitted from the wireless communication unit through the wireless communication unit is compressed by the data management base station and stored in the database, analyzed data, judged whether the environmental condition of the operator is a dangerous situation, And outputting an environment improvement command, receiving the control command from the data management base station, supplying the oxygen in the environment improvement processing unit, and taking an environment improvement measure such as blocking the noxious gas Monitoring and management of the environment of the radio wave free zone of the ship.
The environmental risk condition of the steel structure is sensed by the sensor, transmitted to the data management base station through the steel structure communication unit, analyzed and determined by the data management base station, and transmitted to the operator through the wireless communication unit as an alarm signal, To the worker. The method for monitoring and managing the environment of a non-radio wave area of a ship.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020120125433A KR20140059355A (en) | 2012-11-07 | 2012-11-07 | Monitoring and management for environment at blanket area for vessels |
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KR1020120125433A KR20140059355A (en) | 2012-11-07 | 2012-11-07 | Monitoring and management for environment at blanket area for vessels |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104299392A (en) * | 2014-11-07 | 2015-01-21 | 智性科技南通有限公司 | Wireless sensing node for monitoring health of building structure |
KR20160013666A (en) | 2014-07-28 | 2016-02-05 | 대우조선해양 주식회사 | Ship's internal communication system |
KR101878202B1 (en) * | 2016-12-23 | 2018-07-13 | 목포대학교산학협력단 | Monitoring system in shipyard |
KR20190048967A (en) * | 2017-10-31 | 2019-05-09 | 대우조선해양 주식회사 | An inspection system for sealed areas using drone |
WO2019227306A1 (en) * | 2018-05-29 | 2019-12-05 | 上海海洋大学 | Environment monitoring system using unmanned surface vehicle as carrier and application thereof |
CN113556377A (en) * | 2021-04-27 | 2021-10-26 | 中国船舶重工集团公司第七一六研究所 | Ship outfield coating environment monitoring system |
KR20240002533A (en) | 2022-06-29 | 2024-01-05 | 동양산전(주) | Gas monitoring and control system and method for a temporary workshop |
-
2012
- 2012-11-07 KR KR1020120125433A patent/KR20140059355A/en not_active Application Discontinuation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160013666A (en) | 2014-07-28 | 2016-02-05 | 대우조선해양 주식회사 | Ship's internal communication system |
CN104299392A (en) * | 2014-11-07 | 2015-01-21 | 智性科技南通有限公司 | Wireless sensing node for monitoring health of building structure |
KR101878202B1 (en) * | 2016-12-23 | 2018-07-13 | 목포대학교산학협력단 | Monitoring system in shipyard |
KR20190048967A (en) * | 2017-10-31 | 2019-05-09 | 대우조선해양 주식회사 | An inspection system for sealed areas using drone |
WO2019227306A1 (en) * | 2018-05-29 | 2019-12-05 | 上海海洋大学 | Environment monitoring system using unmanned surface vehicle as carrier and application thereof |
CN113556377A (en) * | 2021-04-27 | 2021-10-26 | 中国船舶重工集团公司第七一六研究所 | Ship outfield coating environment monitoring system |
CN113556377B (en) * | 2021-04-27 | 2024-04-09 | 中国船舶集团有限公司第七一六研究所 | Ship external field coating environment monitoring system |
KR20240002533A (en) | 2022-06-29 | 2024-01-05 | 동양산전(주) | Gas monitoring and control system and method for a temporary workshop |
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