KR20100112277A - Method for measuring remote automatic of construction using radio sensor network and system thereof - Google Patents

Abstract

PURPOSE: An automatic remote measurement method of a civil structure using wireless sensor network is provided to reduce an installation cost by using the wireless sensor network by the use of an RF based wireless sensor unit. CONSTITUTION: A sensor module transmits a sensing signal to a sensor network terminal(S11). The sensor network terminal transmits and receives the sensing signal through RF(Radio Frequency)/zigbee network to an integration data logger(S12). The integration data logger transmits the sensing signal to a base station(S13). The base station transmits the sensing signal to the server of the control center(S14). The server transmits and receives data to the mobile communications terminal(S15).

Description

Method for Measuring Remote Automatic Construction of Civil Structures Using Wireless Sensor Networks and its System

The present invention relates to a remote automatic measurement method and system for civil engineering structures using a wireless sensor network, and more particularly, to wirelessly measure measured values remotely from various sensors mounted on civil engineering structures for construction and maintenance of civil engineering structures. It relates to a method and system for transmitting and receiving.

In the construction of various civil structures for the ground, it is difficult to accurately predict the stress, displacement, behavior of the surrounding ground and existing structures during construction, even if detailed examination is conducted in the survey and design stages of the ground. In general, the physical properties of the ground input at the design stage, such as unit weight, internal friction angle, cohesion, ground coefficient, etc., do not exactly match the actual site conditions. This is necessary.

Therefore, the necessity of informatization construction by measurement and management that presents criteria and judgment data for safe and economical progress in the construction of ground excavation, support beam installation and dismantling in the construction process of civil structures is increasing.

Such civil structures can be divided into soft ground, slope, large common structures, retaining facilities, tunnels, embankments, roads, railways, bridges, airports, dams and rivers. These civil structures require continuous and continuous monitoring after construction. Furthermore, various sensors are installed at each major part or location of the corresponding civil structure, and the values measured from the sensors are secured for analysis, management, and storage.

Conventionally, wired-based measurement systems have been mainly used for the measurement of civil structures. That is, after installing various sensors in the civil engineering structure, the measured values from the sensors were wired and transmitted, and the measured values from each sensor were collected, analyzed, managed, and stored separately.

Such a wire-based measurement system had excessive installation of wired cables and difficulties in installing steel pipe piping facilities for cable installation, and also caused problems with temperature compensation of cables and noises that were difficult to filter in the ground, cable and If a problem occurs in the instrument, it is difficult to check, and there is a problem that it is not easy to replace the problem. In addition, the data measured from the sensors installed in each civil structure was not able to link with the problem of increasing the management cost.

The present invention is to solve the above problems, ZigBee (RF) or wireless (RF) based wireless sensor unit (Unit) in order to utilize the sensor network as a basic technology for short-range communication to integrate and manage various civil structures ), It can shorten the construction period, reduce installation cost and operation cost compared to wired sensor system, and utilize measurement equipment based on Geographic Information System (GIS) to maximize the safety of facilities to prevent accidental changes in the environment. Minimize accident prevention and damage by responding in advance in a proactive and planned manner, and perform measurement of unaccessible spaces, remote facilities, polluted areas, hazardous areas, and unmanned systems at most civil engineering sites. Easy and efficient integrated maintenance of various structures using remote control function It provides the necessary information based on the current location through the network of wired / wireless environment based on geographic information at any time and any place through the system (GIS), and performs accurate measurement without disconnection of data from construction and maintenance of the structure, The purpose is to prevent further disasters by complying with ubiquitous technology and responding quickly to human resources and natural disasters.

In order to achieve the above object, the present invention comprises: (a) installed in a civil structure to detect changes in the civil structure and the external environment in at least one sensor module and outputting the digital signal to the sensor network terminal; (b) transmitting and receiving a detection signal of the sensor network terminal to any one or more of a repeater, an integrated data logger, or a mobile data logger installed at a close distance through a wireless / Zigbee network; (c) transmitting the detection signal received by the integrated data logger to a control center through a wireless network or the Internet to a base station; And (d) transmitting and receiving data to and from a mobile communication terminal or a corresponding institution through a wired / wireless network or the Internet at the control center.

In addition, the present invention converts the signal detected from the at least one sensor module mounted on the civil engineering structure to one or more sensor network terminal for transmitting and receiving to form a wireless or ZigBee network; A repeater for transmitting and receiving a wireless data signal in a shaded area between the sensor network terminals; An integrated data logger for collecting and transmitting wireless data signals of the sensor network terminal or repeater to a remote mobile communication network; Civil engineering using a wireless sensor network including a control center that stores, analyzes, edits, outputs, monitors, and integrates and manages wireless data signals by transmitting and receiving data transmitted and received through a wireless network in the integrated data logger. It features a remote automatic measurement system for the structure.

The present invention uses a ZigBee or wireless (RF) based wireless sensor unit in order to utilize the sensor network as a basic technology for short-range communication by the above solution means a relatively low installation cost It does not require any additional equipment, and it is easier to replace the wired measurement system when a problem occurs in the measurement system, and it is possible to reconfigure the sensor network or reinstall the application of the system because it uses the near-field communication method. Because it can be easily handled wirelessly, the measurement system has excellent problem solving ability in short-range communication. In addition, the mobile communication network is used for long distance communication, for example, the distance from civil engineering structures to management offices of civil engineering structures. Relatively, installation cost and maintenance cost can be reduced.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the remote automatic measurement method of civil engineering structures and systems using the wireless sensor network of the present invention.

1 is a view showing the configuration of a remote automatic measurement system for civil engineering structures using a wireless sensor network according to the present invention.

First, the remote automatic measurement system of civil engineering structures using the wireless sensor network of the present invention collects values measured from one or more sensor modules installed in various civil structures in an integrated data logger through a wireless / Zigbee network, and then uses a mobile communication network and a wireless network. It is to transmit and receive to the management server of the control center through the network and the Internet.

Therefore, the system for remote automatic measurement of civil engineering structures using the wireless sensor network of the present invention is one or more sensor modules installed in the civil engineering structures, and integrated data logger to integrally transmit and receive data through the wireless / Zigbee network measurement values of the sensor module Is provided.

The sensor module 10 converts the measured analog signal into a digital signal and outputs the same. Various civil structures, for example, soft ground or slope, large joint structure, masonry, tunnel, embankment, road, railway, bridge It will be installed at the location and part corresponding to airport, dam, river, etc. The sensor module 10 may be a thermometer, a stress gauge, an inclinometer, an accelerometer, a displacement meter, a potentiometer, a wind vane, a seismograph, or a water gauge.

The sensor network terminal 100 converts a signal detected from one or more sensor modules 10 mounted on the civil engineering structure into a wireless data signal, forms a wireless or Zigbee network, and transmits and receives a signal. The sensor network terminal 100 may be connected to a single sensor module 10 or a plurality of sensor modules 10.

The sensor network terminal 100 is a u-sensor network (Ubiquitous Sensor Network (USN)) is applied as a representative core technology for the realization of ubiquitous. USN is a network configured to attach sensors to all necessary places and collect, manage and control environmental information, such as temperature, pressure, pollution, and cracks, in real time based on object recognition information. By providing computing and communication functions to all things, it is to realize an environment that can communicate anytime, anywhere (Anywhere), anything (anything). The sensor network standard is mainly a standard for building a sensor network based on an ad hoc network, and Bluetooth, u-sensor network (USN), ZigBee, etc. exist. These protocols are standards for Wireless Personal Area Network (WPAN). IEEE 802.15.4 is a low-power, low-speed wireless network protocol, and Zigbee is a standard for applying IEEE 802.15.4 to a variety of higher-level applications.

The sensor network terminal 100 applied in the present invention is a Zigbee or wireless (RF) network 101 of the 2.4 GHz band in a short range wireless communication method. The sensor network terminal 100 may not only communicate with the sensor network terminal 100, but also communicate with a repeater or a transmission / reception module within a predetermined distance.

Referring to the block diagram of FIG. 2 as a detailed configuration of the sensor network terminal 100, a sensor unit 112 for converting a signal detected from one or more sensor modules 10, and detection of the sensor unit 112. A multiplexer 115, an amplifier 116, a comparator 117, and a vibrator 119 are configured as a sensing signal processor that decodes, amplifies, and compares a signal. The system setup unit 118 is for initialization of the sensor network terminal 100. The main processor 111 calculates and controls signals input and output from the sensor 112 and each component. In addition, an indicator 114 for visually displaying an operating state of the system under the control of the main processor 111 is provided, and a clock as a power supply unit for supplying a clock and power required for driving the sensor network terminal 100. A generator 127, a power supply 124, a power switch 125, a lithium ion battery 126, and an AC power source 123 are included.

In addition, a mode selector 122 is provided to select one or more sensor modules 10 connected to the sensor unit 112 or to select a calibration mode or temperature, and the like to sense data from the main processor 111. There is provided a transmission and reception module 120 for transmitting and receiving through. The transmission / reception module 120 has a wireless / ZigBee transmission module to transmit and receive wireless signals.

In addition, the wake-up circuit unit, the wireless chopper circuit 128, the detector 129 and the wake-up that the transceiver module 120 generates a wake-up signal for minimizing the current consumption during wireless communication with the repeater or the mobile data logger. Circuit 130 is provided.

The repeater 110 transmits and receives a wireless data signal in a shaded area between the sensor network terminals 100 and wirelessly transmits and receives data of the sensor network terminal 100 at a predetermined distance. The repeater 110 may be installed as needed, and may be selectively applied. The repeater 110 is preferably equipped with a solar cell in preparation for the consumption of the power used to enable its own power supply.

The integrated data logger 120 collects and transmits wireless data signals of the sensor network terminal 100 or the repeater 110 to the mobile communication network base station 200 remotely. The integrated data logger 120 collects, monitors, and controls integrated data, and includes a mobile communication network and a wireless / ZigBee communication module, and various control modules.

Referring to the block diagram of FIG. 3 as a detailed configuration of the integrated data logger 120, a wireless device having a wake-up synchronization circuit for receiving a wireless data signal transmitted from the sensor network terminal 100 and transmitting a control command is provided. The transceiver module 126 is provided. In addition, as a memory unit for data backup in case of power failure in order to store a main program such as an application program and various data for the control program operation or to protect the measured data, the removable memory card 121, the EEPROM 122, the RAM 123 ), A ROM 124, a nonvolatile memory 125, and the like.

In addition to the data packet modem 127, TRS interface module 128, GSM modem 129, CDMA modem 130 as a mobile communication network for transmitting and receiving data to the management center includes a TETRA modem.

In addition, the GPS interface unit 137 for operating the GPS module, the GIS interface unit 138 for operating the GIS module, the display unit 135 for visually displaying the operation status and sensed data of the integrated data logger, Serial communication controller 131 for communication with the mobile communication network unit 127-130, an external sensor input unit 139 and an external output control unit 140 including a signal input of an external sensor and a control output of an external device, and a user Input unit 134 for menu selection and start and stop operation, and communication protocol and user interface control and sensing data of each component of the integrated data logger to the management center through the mobile communication network unit 127-130. A main processor 133 for controlling the data modem is included.

In addition, the integrated data logger 120, in the configuration of Figure 4, the CDMA transmission module (141). Digital input / output module 142, analog input / output module 143, integrated signal detection module 144, wireless / Zigbee transmission module 145, RS232 / 485 transmission module 146, auxiliary battery power pack 147, Ethernet transmission Module 148, GPS module 149, GIS module 150, and GSM module 151.

On the other hand, the mobile data logger 160 is a mobile data collector to check the wireless communication system. The mobile data logger 160 is portable for transmitting and receiving wireless data signals with the sensor network terminal 100 or the repeater 110. Moreover, the mobile data logger 160 is applied as an auxiliary means for on-site verification such as equipment failure or risk check.

The control center 300 transmits and receives data transmitted and received via the wireless network in the integrated data logger 120 through the wireless network 210 or the Internet 220 to store, analyze, edit, output, monitor, and integrate the wireless data signal. To manage. The control center 300 is a console for receiving and managing data transmitted and received through the wireless network 210 or the Internet 220 through a virtual private network (VPN) 310 through a service IP (Internet Protocol). The manager terminal 311 is provided. And a management server 312 for providing or performing data information input / output, and a standby server 313 and a backup server 314 for storing, backing up, and restoring data information input / output in addition to the management server 312. And servers 316 and 317 for storage, backup, and recovery through a storage area network (SAN) switch.

In addition, the control center 300, the management server 312 provides a message service to the mobile communication terminal 340 through the wireless network 330 and the base station 350.

In addition, the control center 300 is a corresponding organization that manages civil structures, for example, a supervisory group, which manages a civil structure through a virtual private network 400-403 through a wireless network 210 and an internet 220 from a base station 200 through a mobile communication network. (500), the contractor 501 or the national authority (502, 503) jurisdiction to be able to transmit and receive data. The control system of the control sensor 300 supports a package for integrated control, a human machine interface (HMI), a man machine interface (MMI) interface API (application program interface), and is linked with a geographic information system (GIS).

6 shows an embodiment in which a remote automatic measurement system for civil engineering structures using a wireless sensor network of the present invention is applied to a bridge, the bridge 30 is installed as a sensor module 10 in a span center and a branch for long term monitoring. Thermometer 11 for measuring the temperature by using, a displacement meter 12 for measuring the relative displacement in the vertical and horizontal direction between the two points in the girder, inclinometer (13) installed on the top of the pylon to measure the inclination of the pier by the load, And a stress gauge 14 installed at the center portion and the point portion of the span to measure the generated stress, and the sensor network terminals 100a-100d are connected to each sensor module 10. When the value of the analog signal measured by each sensor module 11-13 is converted into the value of the digital signal and input to the sensor network terminal 100a-100d, the sensor network terminal 100a-100d is connected to the wireless / ZigBee network ( While forming 101, data is transmitted and received to the integrated data logger 120. When the integrated data logger 120 aggregates the data received from each sensor network terminal 100a-100d and transmits the data to the base station 200 using a mobile communication network, the data passing through the base station 200 is transmitted to the wireless network 210 or the like. It is transmitted and received to the management server 320 of the control center 300 through the Internet 220. The control server 320 stores the data collected by the set program and performs a series of processing such as analysis and storage. In this case, the repeater 110 may be installed between the sensor network terminals 100a-100d and collect data with the mobile data logger 160.

As a civil engineering structure using the wireless sensor network of the present invention, a system for measuring the state of bridges is installed, and a wireless automatic measurement system is installed on actual bridges to acquire data on the site through wireless communication, and to make a database of the bridges without going on a business trip. By confirming the data of the bridge, it is possible to identify the condition of the bridge, so that the system can be constructed to reduce the maintenance cost of the bridge, to easily understand the state behavior of the bridge due to the accumulation of data, and to monitor the frost inundation status of the road.

In addition, the data obtained from various sensor modules are transmitted to the integrated data logger wirelessly (ZigBee or RF) at regular intervals, and the integrated data logger collects the transmitted data and transmits it to the management server of the control center through the mobile communication network or the Internet. After the processing, it can be constructed to provide the necessary information to the driver who uses the bridge and the manager who manages the bridge in real time.

In addition, when building a system for measuring the tunnel state as another embodiment, it is possible to build a system for real-time monitoring of various disaster information generated in the tunnel, the tunnel entrance and the like. For example, after detecting a fire or smoke inside the tunnel by a sensor, information may be provided or information on freezing, sliding, and water film on the entrance surface of the tunnel may be provided in real time. In addition, by measuring tunnel displacements and cracks in tunnels and measuring tunnel vibration changes due to earthquakes, safety is assessed, and problems caused by aging of tunnel structures can be detected early by using sensor modules. It can be constructed to minimize the cost of measurement, inspection, etc., which is preceded by budget execution.

7 is a flowchart illustrating a method for remotely measuring a civil engineering structure using a wireless sensor network according to the present invention, installed in a civil engineering structure and detecting a change in a civil engineering structure and an external environment by using one or more sensor modules 10 (S10). Transmitter 110 to the sensor network terminal 100 as a digital signal (S11), the relay 110 is installed at a close distance through the wireless / Zigbee network 101, the integrated signal logger 120 Alternatively, the mobile data logger 160 transmits / receives any one or more (S12). In addition, the integrated data logger 120 transmits the received detection signal to the base station 200 using the mobile communication network (S13), and again from the base station 200 through the wireless network 210 or the Internet 310 control center ( 300 is transmitted to the management server 312 (S14). The control center 300 transmits and receives data to and from the mobile communication terminal 340 or the corresponding organization 500-503 through a wired or wireless network or the Internet (S15).

Furthermore, the flow of the operation of the sensor network terminal 100 is shown in Figure 8, monitoring the detection pulse signal of the sensor module 10, set the initial parameters (S20), monitoring the pulse signal from the sensor module 10 Start (S21).

Then, the period of the pulse signal input during the monitoring of the pulse signal is determined (S22). If the pulse signal is a high pulse, it is determined whether it is a normal signal (S23, S24). The cycle is monitored (S25). In addition, if the pulse signal is a low pulse, it is determined whether it is a normal signal (S26, S27). If it is a normal signal, a high pulse period is checked and set (S28), and a wakeup signal and a pulse latch signal are generated (S29). After the low pulse is read as a normal signal and generated, the wake-up and pulse latch signal is read after the latch release signal generated by the main module 111 to the sensor module 10 is completed (S30). When the generated signal is read as the latch release signal, the pulse event is terminated (S31).

FIG. 9 is a flowchart illustrating an operation of the integrated data logger 120. The clock is initialized at the same time as the integrated data logger 120 and the logo is displayed together with the driving of the display unit 135 (S41). ). When there is a pair of key inputs through the input unit 134 (S42), the backlight of the display unit 135 is driven (S43).

In addition, by determining the key input through the input unit 134 (S44), if the first key is input, the time display (S45) and the measurement count count is initialized (S46), if the second key is input, the clock, Set the alarm and ID (S47). If there is no key input, it is determined whether it is the FTRX transmission mode (S48), and the measured values are displayed (S49, S50), respectively. It is determined whether the measured value is the first measured value (S51), and if it is not the first time, if the deviation of the average of the three measured values is 4 or less (S52), it is wirelessly transmitted (S53), and if it is 5 or more, +3 is counted (S54). ). In addition, in the FTRX reception mode (S55), it is determined whether the reception mode is in operation S56. In the reception mode, the backlight is turned off in operation S57. If the reception mode is not in the reception mode, the set count is performed (S58). Then, it is determined whether the alarm is set manually (S59). If it is manual, the power of the data logger is turned off (S61). If not, the next alarm time is set (S60).

As described above, the method for remote automatic measurement of civil engineering structures and systems using the wireless sensor network of the present invention can optimize the interworking with the HMI / MMI system and the GIS base for integrated supervisory control, unlike the existing wire-based measurement system. Support remote maintenance processes for fast and accurate instrument inspection.

In addition, the two-way communication protocol is applied for the construction, on demand and periodic status of wireless networks (CDMA, GSM, Packet Data, TRS / ZigBee, UHF, TETRA, etc.) for easy field installation. Secured Ad-Hoc operation base and standard equipment item framework to secure new installation and removal of devices, and secured various communication networks (CDMA, GSM, Packet Data, TRS / ZigBee, UHF, TETRA modularization) And a solution design combination (Module Design Concept) for optimizing the various signal / monitor module modules to be monitored. In addition, it is easy to install through the application of independent power and maximizes economic efficiency by implementing low-cost specialized data logger function, and realizes free network implementation and cost reduction by the combination of specific low-power wireless and mobile communication network. In addition, we used proven wireless public networks (CDMA, GSM, Packet Data, TRS, TETRA) to secure communication reliability. In addition, the Store-and-Forward method (ZigBee / RF Sensor Device, Concentrator, WARP S / W) is applied for data stability, and the operation network redundancy and data center (Server) duplication for data communication stability are secured. Supported.

In addition, the present invention is an advantage of the introduction of the GIS-based wireless safety management measurement system, the visualization of information, and the expansion of the map to provide a three-dimensional visualization of the exact location information using a map of various civil engineering / buildings in a wide management area It is possible to select the area to check through the reduction and reduction function, and it is possible to search the necessary information quickly and accurately by linking the property database to maximize the management efficiency and visualize the traffic information, nature and environment information of the surroundings when an accident occurs. By providing a quick and accurate situation and easy handling of the situation, it is easy to identify and cope with the situation, and construct a real-time information extraction system using wireless sensing technology, and service it as a geographic information system. Comprehensive by reflecting part of the business processor It is possible to predict and use various information and implement operability and implement various safety functions in order to predict the future through the use of various analysis functions. It is implicated.

While the invention has been shown and described in connection with specific embodiments thereof, it is well known in the art that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the claims. Anyone who has a can easily know.

1 is a block diagram showing a remote automatic measurement system for civil engineering structures using a wireless sensor network according to the present invention.

2 is a block diagram showing a detailed configuration of a sensor network terminal of a remote automatic measurement system for civil engineering structures using a wireless sensor network of the present invention.

3 and 4 are block diagrams showing the detailed configuration of the integrated data logger of the remote automatic measurement system of civil engineering structures using the wireless sensor network of the present invention.

5 is a view showing the configuration of the control sensor of the present invention.

6 is a view showing an embodiment in which a remote automatic measurement system for civil engineering structures using a wireless sensor network of the present invention is applied.

7 is a flowchart illustrating a method for remotely measuring a civil engineering structure using a wireless sensor network according to the present invention.

8 is a flowchart illustrating an operating state of the sensor network terminal of the present invention.

9 is a flowchart showing the operating state of the integrated data logger of the present invention.

※ Brief description of reference numerals ※

100: sensor network terminal 112: sensor unit

115: multiplexer 116: amplifier

117: comparator 119: vibrator

120: transceiver module 200: base station

210: wireless network 220: internet

300: Control Center

Claims (10)

(a) installed in the civil structure to detect changes in the civil structure and the external environment in at least one sensor module and outputting the digital signal to the sensor network terminal; (b) transmitting and receiving a detection signal of the sensor network terminal to any one or more of a repeater, an integrated data logger, or a mobile data logger installed at a close distance through a wireless / Zigbee network; (c) the integrated data logger transmitting the received detection signal to a base station through a mobile communication network, and then transmitting the base station to a control center through a wireless network or the Internet; And (d) transmitting and receiving data from the control center to a mobile communication terminal or a corresponding institution through a wired or wireless network or the Internet. The method of claim 1, wherein the sensor network terminal (a-1) monitoring the detection pulse signal of the sensor module and setting initial parameters; (a-2) starting monitoring of a pulse signal from the sensor module; (a-3) determining a cycle of the pulse signal input during the monitoring of the pulse signal; (a-4) determining whether the pulse signal is a normal signal when the pulse signal is a high pulse, and monitoring a set low pulse period after checking and setting a low pulse period if the pulse signal is a normal signal; (a-5) determining whether the pulse signal is a normal signal when the pulse signal is a low pulse, checking and setting a high pulse period when the pulse signal is a normal signal, and generating a wake-up signal and a pulse latch signal; (a-6) The wake-up and pulse latch signals generated by the low pulse as a normal signal are generated after reading the latch release signal generated in the sensor module after the processing of the signal is completed in the main processor. Terminating a pulse event when read with a latch release signal. The method of claim 1, wherein the integrated data logger is (c-1) initializing the clock generator and driving the display unit simultaneously with initializing the data logger; (c-2) driving the backlight of the display unit when a pair of key inputs are present; (c-3) initializing the time display and the measurement count count when the first key is input, and setting the clock, alarm, and ID when the second key is input; (c-4) determining the FTRX transmission mode and displaying the measured value; (c-5) determining whether the measured value is the first measured value, and if it is not the first time, transmitting the data wirelessly when the deviation of the average of the three measured values is 4 or less, and counting +3 if it is 5 or more; (c-6) determining whether the reception mode is FTRX, turning off the backlight in the reception mode, and performing a set count in the reception mode; (c-7) remote control of the civil engineering structure using a wireless sensor network, comprising determining whether the alarm is set manually and turning off the power of the datalogger if it is manual and setting the next alarm time if not manual. Automatic instrumentation method. At least one sensor network terminal for converting a signal detected from at least one sensor module mounted in the civil engineering structure into a wireless data signal, and forming and transmitting a wireless or Zigbee network; A repeater for transmitting and receiving a wireless data signal in a shaded area between the sensor network terminals; An integrated data logger for collecting and transmitting wireless data signals of the sensor network terminal or repeater to a remote mobile communication network; Wireless sensor comprising a control center for storing, analyzing, editing, outputting, monitoring and integrated management of wireless data signals by transmitting and receiving data transmitted and received through a wireless network in the integrated data logger via a wireless network or the Internet Remote automatic measurement system of civil engineering structure using network. The system of claim 4, further comprising: a portable data logger capable of transmitting and receiving wireless data signals with the sensor network terminal or repeater. The sensor module of claim 4, wherein the sensor module connected to the sensor network terminal converts the detected analog signal into a digital signal and outputs the digital signal. The sensor module is a thermometer, a stress gauge, an inclinometer, an accelerometer, a displacement meter, a potentiometer, a wind vane, Remote automatic measurement system of civil engineering structures using a wireless sensor network, characterized in that it comprises any one or more of various sensor modules, such as seismometer, water gauge. The method of claim 4, wherein the sensor network terminal A sensor unit for converting a signal detected from one or more sensor modules; A detection signal processing unit for decoding, amplifying and comparing the detection signal of the sensor unit; A system setup unit for initializing the sensor network terminal; A main processor for calculating and controlling signals input and output from the sensor unit and each component; An indicator for visually displaying an operating state of the system under control of the main processor; A power supply unit supplying a clock and power necessary for driving the sensor network terminal; A mode selector for selecting at least one sensor module connected to the sensor unit; Transmitting and receiving module for transmitting and receiving the sensing data through the antenna in the main processor; The transmission and reception module is a remote automatic measurement system for civil engineering structures using a wireless sensor network, characterized in that it comprises a wake-up circuit for minimizing the current consumption during wireless communication with a repeater or a mobile data logger. The method of claim 4, wherein the integrated data logger is A wireless transmission / reception module including a wake-up synchronization circuit for receiving a wireless data signal transmitted from the sensor network terminal and transmitting a control command; A memory unit for storing main programs and data such as an application program for operating a control program; A mobile communication network unit for transmitting and receiving data to the management center, GPS interface unit for operating the GPS module, GIS interface unit for operating the GIS module, Display unit for visually displaying the operation status and detection data of the integrated data logger, A serial communication controller for communicating with the mobile communication network; An external sensor input unit and an external output control unit including a signal input of an external sensor and a control output of an external device; An input for user menu selection and operation of starting and stopping the function, Civil engineering using a wireless sensor network comprising a main processor for controlling the communication protocol and user interface control of each component of the integrated data logger and the data modem for transmitting the sensed data to the management center through the mobile communication network. Remote automatic measurement system of the structure. The method of claim 8, wherein the integrated data logger is Wireless public network (CDMA, GSM, TETRA, Packet Data, TRS) transmission module. Wireless sensor network comprising a digital input / output module, analog input / output module, integrated signal detection module, wireless / Zigbee transmission module, RS232 / 485 transmission module, auxiliary battery power pack, Ethernet transmission module, GPS module, GIS module. Remote automatic measurement system of civil engineering structure using The method of claim 4, wherein the control center An administrator terminal for receiving and managing data transmitted and received through a wireless network or the Internet through a virtual private network (VPN) through a service IP (Internet Protocol); Includes a management server for providing or inputting and outputting data information, The management server selectively employs a standby server and a backup server for storing, backing up and restoring input / output data information, and a server for storing, backup and recovery through a storage area network (SAN) switch. Remote automatic measurement system of civil engineering structure using network.

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