KR101529563B1 - Power Equipment Monitoring system using Mesh Network-Smart Sensor. - Google Patents
Power Equipment Monitoring system using Mesh Network-Smart Sensor. Download PDFInfo
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- KR101529563B1 KR101529563B1 KR1020140038498A KR20140038498A KR101529563B1 KR 101529563 B1 KR101529563 B1 KR 101529563B1 KR 1020140038498 A KR1020140038498 A KR 1020140038498A KR 20140038498 A KR20140038498 A KR 20140038498A KR 101529563 B1 KR101529563 B1 KR 101529563B1
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Abstract
More particularly, the present invention relates to a system for installing a plurality of smart sensors constituting a mesh network in various facilities and cables constituted in an underground joint, And the operator can check the status by checking the blinking state of the camera through the blinking state of the LED lamp to make it possible to remotely recognize the location and the state of the place where the abnormal state occurred, The present invention relates to an underground electric power facility management system using a mesh network smart sensor that provides a sensor.
According to the present invention, a wireless sensor network environment is constructed by installing a plurality of smart sensors in various cables and facilities installed in an underground cavity, and the current state is measured by a smart sensor, and an LED lamp is blinked upon occurrence of an abnormal state, It is possible to check the present abnormal state remotely by transmitting the abnormal state value to the remote site.
Description
The present invention relates to a power plant control system for a substation power plant using a mesh network smart sensor, and more particularly, to a smart power plant control system using a mesh network smart sensor, in which a plurality of smart sensors constituting a mesh network are installed in various facilities and cables, It is possible to check the position and status of the place where the abnormal condition occurred by analyzing the blinking state through the camera by allowing the operator to confirm it by blinking the LED lamp configured in the smart sensor, The present invention relates to an underground electric power facility management system using a mesh network smart sensor that can provide a smart sensor as much as possible.
Due to the complicated living conditions of modern society, the common living facilities, plant production facilities, and hazardous facilities are inevitably crowded in specific areas. The living facilities such as power, communication, gas, district heating, In a trend of collective installation.
Especially, since it treats various kinds of facilities in the above-mentioned buildings and it is a socially very important facility, it is expected that when a disaster occurs in a single stage, a great amount of damage will spread to the whole society, It is not possible to install a proper alarm processing system in comparison with its importance because it is difficult to expect the efficiency of the maintenance work due to the excessive stay of moisture or dust, the change of various air currents, and above all,
As of December 2005, according to the occurrence of industrial accidents, accident rates among accidents / casualties in enclosed spaces or underground work environments accounted for 3.8% and 12.4%, respectively, thus necessitating monitoring of work environment Especially, as the incidence of disaster related to underground infrastructures among industrial disasters increases, the social interest in the management of work environment is increasing.
As described above, due to the undergroundization of the electric power facilities, it is difficult to maintain the facility, to detect the occurrence of the accident, to grasp the current state of the accident, to suppress the diffusion, and to suppress the electric power. Social, and economic activities, resulting in the loss of astronomical scale.
As a case of domestic accidents, a power outage occurred in some 42,000 households due to the fire at Majang-dong Substation in Seongdong-gu, Seoul.
As a result, it is necessary to provide a technology to cope with large-scale accidents in advance by making it possible to network the sensing means for detecting various causes of accidents in the underground joint facility and real-
A first object of the present invention is to provide a wireless sensor network environment in which a plurality of smart sensors are installed in various cables and facilities installed in an underground cavity, LED lamp is blinked so that it can be confirmed in the field, and the abnormal state value is transmitted to the remote site so that the present abnormal state can be monitored remotely.
It is a second object of the present invention to provide a smart sensor in which a magnet portion can be easily detached and attached to various cables and facilities installed in an underground cavity.
A third object of the present invention is to provide an image processing terminal that can solve the difficulty of judgment when it is dependent on a camera, recognize an image pattern including a blinking state of an LED lamp, .
A fourth object of the present invention is to make the temperature sensor completely contact with various cables or facilities by the force of the magnet, thereby facilitating the temperature transmission to the smart sensor.
SUMMARY OF THE INVENTION [0006] The present invention provides a solution for achieving the above object.
The present invention provides an underground power facility management system using a mesh network smart sensor,
And the information of at least one of temperature, humidity, gas, water level, contact-on-off, and motor speed measurement values acquired by an external interface unit built in the inside of the underground cavity, A plurality of
And smart control means (500) for automatically extracting abnormal data information and alerting the user through a screen, a warning sound or a warning light.
The present invention has the following effects.
It is possible to establish a wireless sensor network environment by installing a large number of smart sensors in various cables and facilities installed in the underground communal area, and to measure the current status of the smart sensor, And an abnormal state value is sent to a remote site, thereby exerting an effect of monitoring a current abnormal state at a remote site.
In addition, the magnet portion can be configured as a smart sensor, and can be easily attached to or detached from various cables or facilities installed in the underground cavity, thereby providing convenience in the field work.
In addition, in order to solve the difficulty of judgment when relying on a conventional camera, the image processing terminal is configured to recognize the image pattern including the blinking state of the LED lamp so that the location and the state of the place where the abnormal state occurs can be remotely recognized I will exert.
In addition, the temperature sensor constructed inside the smart sensor is tightly attached to various cables or facilities by the force of the magnet formed on the smart sensor, so that the temperature can be easily transmitted to the smart sensor.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exemplary view briefly showing a problem with a conventional underground line; FIG.
FIG. 2 is a general view of a power plant management system for a subway tunnel using a mesh network smart sensor according to an embodiment of the present invention. FIG.
3 is an exemplary diagram briefly showing a conventional substation management problem;
FIG. 4 is an overall configuration view of a subsystem power facility management system using a mesh network smart sensor according to another embodiment of the present invention. FIG.
FIG. 5 is a block diagram of a smart sensor unit of a power plant management system for an underground power plant using a mesh network smart sensor according to an embodiment of the present invention. FIG.
FIG. 6 is a block diagram of a smart sensor block in a subsystem power plant management system using a mesh network smart sensor according to an embodiment of the present invention. FIG.
7 is an exemplary view showing an external interface unit of the smart sensor unit of the underground power facility management system using the mesh network smart sensor according to the embodiment of the present invention.
FIG. 8 is a diagram illustrating an example of on-site installation of a smart sensor unit in an underground joint power facility management system using a mesh network smart sensor according to an embodiment of the present invention. FIG. An example that can be.
BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exemplary view briefly showing a problem with a conventional underground line. FIG.
As shown in FIG. 1, when a current flows through the line, the temperature rises due to the power loss, which causes fire.
Particularly, the temperature rise of the junction part of the line is the majority. In the case of the underground line, since the junction is made at intervals of 300 meters, the manager checks twice a day. After asking for the temperature detection sticker, To check the color change of the sticker.
Therefore, inspection is carried out in a harsh environment such as noise, humid, cloudy air, and error in inspection.
FIG. 2 is an overall configuration diagram of a subsystem power facility management system using a mesh network smart sensor according to an embodiment of the present invention.
As shown in FIG. 2, the system of the present invention is installed in various cables and facilities installed in an underground cavity, and has a temperature, humidity, gas level, contact on / off, A plurality of smart sensor units (1000) for providing at least one or more of the speed measurement values to smart control means using zigbee communication;
And smart control means (500) for automatically extracting abnormal data information and alerting the user through a screen, a warning sound or a warning light.
The smart sensor unit performs Zigbee multi-hop communication, and is capable of long-distance communication without increasing transmission power.
In addition, it is also possible to provide a smartphone with a smart phone function for a manager who installs the app and loads the app.
3 is an exemplary diagram briefly showing a conventional substation management problem.
In other words, in order to check the transformer in the substation, a method of confirming the generation of smoke or water vapor was adopted by the camera.
However, in the case of weak smoke, it was difficult to grasp it.
Therefore, the manager had to constantly monitor the monitor through a plurality of monitors and always had difficulty in grasping the smoke.
4 is an overall configuration diagram of a subsystem power facility management system using a mesh network smart sensor according to another embodiment of the present invention.
That is, the
An
An
And smart smart means 500. FIG.
The image processing terminal recognizes the image pattern including the blinking state of the LED lamp by the image processing terminal as described above, so that the position and the state of the place where the abnormal state occurs can be grasped from a remote place.
When configured as described above, an alarm sounds on the monitor in the event of an abnormality, and an emergency light flashes on the monitor, so that associates can quickly respond to an emergency while carrying out their own tasks. And a warning sound can be generated. Therefore, it is possible to quickly determine the site location and automatically notify the occurrence of an abnormality, thereby enabling the administrator to respond effectively.
In addition, since it is transmitted only when an abnormality occurs, the traffic is small and a plurality of cameras can be installed.
FIG. 5 is a block diagram of a smart sensor unit of an underground power facility management system using a mesh network smart sensor according to an embodiment of the present invention.
FIG. 6 is a block diagram of a smart sensor sub-system of a subsystem power facility management system using a mesh network smart sensor according to an embodiment of the present invention.
5 to 6, the
The main body case and the sub case may be coated with materials resistant to waterproof, moisture-proof, insectproof and dustproof.
In the
The
A
A
An internal
An
An
A
And a
Normally, it operates in the sleep mode to reduce the power consumption, and LED lights up at regular intervals when a sensor error is detected.
The blinking state can be confirmed at a remote place, and the corresponding position can be grasped clearly.
The
The
However, it may also include an external power connection unit for receiving power from the outside as needed.
The external power connection may be, for example, a DC adapter, a solar cell, a Rogowski coil, or the like.
The internal
That is, if the magnetic force of the magnet portion is detected and the magnetic force falls below the set value, the magnetic force is separated from the medium, so that the replacement signal is provided in advance so that the manager can recognize the magnetic field remotely.
In addition, a function of detecting a power source of the rechargeable battery and providing a replacement signal to the LED lamp unit when the capacity of the rechargeable battery is less than the set value.
The
For example, it can be set to notify the occurrence of an abnormality such as a magnetic field abnormality in blue, a rechargeable battery in green, and an abnormality in red.
Also, the
That is, various measurement devices are configured on the site, and various measurement values can be acquired by connecting with the measurement devices and analyzed by a central control unit.
The
The
In addition, the sub-case 200 is formed of a rubber magnet so that it can be easily attached to various cable bends or plane of equipment.
In addition, the
This is to provide an effect of facilitating the temperature transmission to the smart sensor by completely inserting the temperature sensor formed inside by the force of the magnet into various cables or facilities.
The
The power is supplied and turned off through the
FIG. 7 is a view illustrating an external interface unit of the smart sensor unit of the underground power facility management system using the mesh network smart sensor according to the embodiment of the present invention.
6 to 7, the
An
A multipurpose input /
A
And an
In other words, it performs various interfaces (analog, digital, PWM, counter, RS232, etc.) according to the field situation.
Since analog input is possible through the analog input module, it is possible to connect with various temperature, humidity, water level, and gas sensor.
The general purpose input / output module can receive an electric input or control a specific device by outputting a general purpose input / output port (GPIO) linked with software.
The UART art circuit module is a UART (RS-232, RS-485, RS-422 combined) circuit module that communicates with a UART communicable device to grasp the state of device control and equipment.
The timer circuit module is a circuit module for PWM (Pulse Width Modulation) output and external pulse counter. It can control the motor speed with PWM pulse width variable and can measure motor RPM and flow rate with Counter input.
In addition, the smart tube means 500 may be configured such that,
An abnormal data acquiring unit (510) for acquiring abnormal data information transmitted from the smart sensor unit only and storing the abnormal data information in the abnormal data database,
An abnormal data storage unit 520 for storing abnormal data information provided by the abnormal data acquisition unit,
And an alarm generating unit 530 for automatically extracting the abnormal data information and alerting the user through a screen, a warning sound, or a warning light.
That is, the anomaly data acquiring unit acquires the anomaly data information transmitted from the smart sensor unit only when the anomaly occurs, and stores the information in the anomaly data database.
What is characteristic is that abnormal data information is acquired only when an abnormality occurs, rather than continuously receiving the data continuously.
The warning generator automatically extracts abnormal data information and alerts the user through a screen, a warning sound, and a warning light.
This is because it is difficult to identify a small amount of smoke in the situation room and there is a considerable difficulty in confirming the judgment and monitoring of smoke on the multivision.
Meanwhile, a system according to another exemplary embodiment may include an
An
An abnormal data acquisition unit (510) for acquiring an abnormality occurrence signal value and image capture screen information transmitted from the image processing terminal and storing the abnormality occurrence signal value and the image capture screen information in the abnormal data database,
An abnormal data storage unit 520 for storing the abnormality signal value and image capture screen information provided by the abnormal data acquisition unit,
And an alarm generating unit 530 for automatically extracting the abnormality signal value and the image capture screen information and alerting the user through a screen, a warning sound, or a warning light.
That is, an image processing terminal for determining an image object photographed by the image capturing unit and providing an anomaly signal value and an image capture screen to the smart governor means in the abnormal state is configured.
As shown in Fig. 8, the position information and the alarm can be notified to the pattern position by the image.
In particular, since the LED flashing pattern is utilized, it is possible to grasp the status and the location where the problem occurred.
As shown in FIG. 9, since the LED flashing pattern is recognized even when smoke is generated, the position can be grasped quickly.
According to the above configuration, a wireless sensor network environment is constructed by installing a plurality of smart sensors in various cables and facilities installed in the underground cavity, and a smart sensor measures the current state and blinks the LED lamp when an abnormal condition occurs. It is possible to instantaneously check the current state of the system, and it is possible to remotely monitor the current state of abnormality by transmitting the abnormality value to the remote site.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
500: Smart government means
600:
700: image processing terminal
1000: smart sensor unit
Claims (3)
A rechargeable battery 115 for supplying power,
A Zigbee communication unit 120 for performing Zigbee multi-hop communication,
An internal signal determination unit 125 for providing a replacement signal to the LED lamp unit when the magnetic force of the magnet unit is less than the set value and providing a replacement signal to the LED lamp unit when the battery power is less than the preset value, ,
An LED lamp unit 130 for performing lighting according to a result determined by the internal signal determination unit and for performing lighting under the control of the central control unit when an abnormality occurs,
An external interface unit 135 for acquiring information of at least one of humidity, gas, water level, contact on / off, and motor speed measurement values from the measurement devices,
A memory unit 140 for storing set value information,
And a central control unit 145 for comparing the information obtained by the external interface unit with the set value information and sending an abnormality occurrence signal to the LED lamp unit when the set value information is out of the set value range,
A magnet unit 210 for detachably attaching to various cables or facilities installed in the underground cavity,
A temperature sensor 220 for sensing the temperature of various cables or equipment,
A plurality of smart sensor units 1000 including a power switch 230 for turning on and off a power supply and including a sub case 200 made of a rubber magnet;
An abnormal data acquiring unit (510) for acquiring abnormal data information transmitted from the smart sensor unit only and storing the abnormal data information in the abnormal data database,
An abnormal data storage unit 520 for storing abnormal data information provided by the abnormal data acquisition unit,
And an alarm generating unit 530 for automatically extracting the abnormal data information and alerting the user through a screen, a warning sound, or a warning light.
Transmission facilities using underground mesh network smart sensor and underground power plant control system.
The chip antenna 110,
A rechargeable battery 115 for supplying power,
A Zigbee communication unit 120 for performing Zigbee multi-hop communication,
An internal signal determination unit 125 for providing a replacement signal to the LED lamp unit when the magnetic force of the magnet unit is less than the set value and providing a replacement signal to the LED lamp unit when the battery power is less than the preset value, ,
An LED lamp unit 130 for performing lighting according to a result determined by the internal signal determination unit and for performing lighting under the control of the central control unit when an abnormality occurs,
An external interface unit 135 for acquiring information of at least one of humidity, gas, water level, contact on / off, and motor speed measurement values from the measurement devices,
A memory unit 140 for storing set value information,
And a central control unit 145 for comparing the information obtained by the external interface unit with the set value information and sending an abnormality occurrence signal to the LED lamp unit when the set value information is out of the set value range,
A magnet unit 210 for detachably attaching to various cables or facilities installed in the underground cavity,
A temperature sensor 220 for sensing the temperature of various cables or equipment,
A plurality of smart sensor units 1000 including a power switch 230 for turning on and off a power supply and including a sub case 200 made of a rubber magnet;
An image capturing unit (600) for capturing an on state of the LED lamp unit of the smart sensor unit;
An image processing terminal 700 for determining an image object photographed by the image capturing unit and providing an anomaly signal value and an image capture screen to the smart control means in the abnormal state;
An abnormal data acquisition unit (510) for acquiring an abnormality occurrence signal value and image capture screen information transmitted from the image processing terminal and storing the abnormality occurrence signal value and the image capture screen information in the abnormal data database,
An abnormal data storage unit 520 for storing the abnormality signal value and image capture screen information provided by the abnormal data acquisition unit,
And an alarm generating unit 530 for automatically extracting the abnormality signal value and image capture screen information and alerting the user through a screen, a warning sound, or a warning light. To
Transmission facilities using underground mesh network smart sensor and underground power plant control system.
The external interface unit 135,
An analog input module 135a for receiving a signal from one of a temperature sensor, a humidity sensor, a water level sensor, and a gas sensor,
A multipurpose input / output module 135b for controlling relay driving and external contacts,
A timer circuit module 135c for performing a PWM output and an external pulse counter,
And an art circuit module 135d for communicating with the art art communication device to control the device and to grasp the state of the device.
Transmission facilities using underground mesh network smart sensor and underground power plant control system.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020140038498A KR101529563B1 (en) | 2014-04-01 | 2014-04-01 | Power Equipment Monitoring system using Mesh Network-Smart Sensor. |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020140038498A KR101529563B1 (en) | 2014-04-01 | 2014-04-01 | Power Equipment Monitoring system using Mesh Network-Smart Sensor. |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101880660B1 (en) | 2018-01-11 | 2018-07-20 | 장미화 | Substation monitoring system |
| KR20180133171A (en) | 2017-06-05 | 2018-12-13 | 엄주용 | Remote meter reading system for calorimeter |
| KR101997082B1 (en) * | 2018-12-21 | 2019-07-08 | 프라임방재주식회사 | Sensing apparatus for breaken block of tunnel inspection path |
| KR102080713B1 (en) * | 2019-06-21 | 2020-02-24 | (주)금성계전 | Communication area monitoring system |
| US11460142B2 (en) | 2019-12-16 | 2022-10-04 | Saudi Arabian Oil Company | Sensor network for subsurface impact protection system |
| US11687048B2 (en) * | 2017-09-18 | 2023-06-27 | Johnson Controls Tyco IP Holdings LLP | Method and apparatus for evaluation of temperature sensors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20100127947A (en) * | 2009-05-27 | 2010-12-07 | 지멘스신화주식회사 | Intergrated type processing control device of warning signal using ubiquitous sensor network |
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2014
- 2014-04-01 KR KR1020140038498A patent/KR101529563B1/en active IP Right Grant
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100127947A (en) * | 2009-05-27 | 2010-12-07 | 지멘스신화주식회사 | Intergrated type processing control device of warning signal using ubiquitous sensor network |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180133171A (en) | 2017-06-05 | 2018-12-13 | 엄주용 | Remote meter reading system for calorimeter |
| US11687048B2 (en) * | 2017-09-18 | 2023-06-27 | Johnson Controls Tyco IP Holdings LLP | Method and apparatus for evaluation of temperature sensors |
| KR101880660B1 (en) | 2018-01-11 | 2018-07-20 | 장미화 | Substation monitoring system |
| KR101997082B1 (en) * | 2018-12-21 | 2019-07-08 | 프라임방재주식회사 | Sensing apparatus for breaken block of tunnel inspection path |
| KR102080713B1 (en) * | 2019-06-21 | 2020-02-24 | (주)금성계전 | Communication area monitoring system |
| US11460142B2 (en) | 2019-12-16 | 2022-10-04 | Saudi Arabian Oil Company | Sensor network for subsurface impact protection system |
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