KR20210105476A - Internet of thing based smart safety protection gear and system for providing construction site management service using thereof - Google Patents

Abstract

The present invention relates to an IoT-based smart safety protection device and a system for providing a site management service using the same. The present invention includes: a smart safety belt including a heart rate sensor for heart rate detection provided at both ends of a string that laterally crosses the chest of a human body and is one of one or more strings formed so as to surround at least one part of the human body and a transmission module outputting the heart rate output by the heart rate sensor by IoT-based wireless communication; and a smart safety helmet including a wireless communication module forming a channel so as to communicate with the smart safety belt by IoT-based wireless communication, an information input-output module including at least one sensor for ambient environment detection, an imaging and lighting module imaging the front and emitting light to the front, a first wearing detection sensor detecting whether fastening means is fastened that is positioned in the middle portion of a string surrounding both sides and the lower side of a face, and a control module analyzing and processing the heart rate output by the smart safety belt, the detection data output by the information input-output module, and whether or not the fastening is performed detected by the first wearing detection sensor.

Description

IoT-based smart safety protection device and field management service provision system using the same

The present invention relates to an IoT-based smart safety protection device and a system for providing field management service using the same, and provides a platform capable of interlocking a safety helmet and a safety belt based on IoT and monitoring the surrounding environment, living body and location in real time remotely.

Among the government's three major projects to protect people's lives, the goal of reducing the number of deaths from industrial accidents by half by 2022 is included, but according to the current status of industrial accidents, the number of deaths from industrial accidents and the rate of deaths from industrial accidents are still on the rise. Due to the various working environments, work objects, and the existence of work blind spots, there are always many accident risk factors at the construction site. Accidents due to inexperienced operation occur frequently, which not only lowers work efficiency but may also cause personal injury. Accordingly, it is required to acquire information about the surrounding environment during work, recognize risk factors, and establish a safety system for construction equipment based on the acquired information.

At this time, a safety platform using location information, image information, and wearing information was researched and developed to prevent safety accidents at the construction site. ) and Korean Patent No. 10-2052548 (announced on December 06, 2019), it acquires harmful information or risk information in the safety control area of the site and transmits a signal periodically, and information on dangerous objects in the site safety control area A configuration that detects and tracks the location of an accident according to the occurrence of an event, takes an image, detects the signal strength of the AP transmitter to determine whether to enter a danger zone, outputs accident response information in real time, and whether or not to wear a helmet A configuration for discriminating through a detection signal is disclosed, respectively.

However, construction work is highly dependent on manpower, making quality control difficult, and manpower supply and demand is not easy due to the aging population and avoidance of the 3D industry. Since foreign workers from neighboring Asian countries such as China, Mongolia, and Vietnam are working at construction sites, safety education is being provided to foreign workers, but safety accidents occur frequently due to difficulties in communication, etc., affecting work productivity. do. In addition, due to the complex and complex subcontracting infrastructure in the structure of the construction contract, a small number of management personnel cannot manage all the tasks and risk situations of many workers, and it is difficult to check whether manual-based safety work and quality work. In addition, although it is important to identify and remove risk factors in the construction site before work, the subcontractor's confirmation or delivery system is inefficient, resulting in increased costs due to industrial accidents at the construction site, and consequently restrictions on participation in bidding. reach the point of receiving

An embodiment of the present invention can collect and manage environmental data and biometric data based on IoT, control lighting and temperature to respond to environmental changes, and change the color of lighting in case of a dangerous or emergency situation It enables intuitive recognition through biometric data, detects abnormal signals with biometric data, and enables time and attendance management, facilitates communication between dispersed workers through voice input/output devices through wireless communication, and provides real-time monitoring of whether or not a hard hat and seat belt are worn. IoT-based smart safety protection device that can remotely monitor work progress and risk because it can be managed with the help of GPS and cameras, while tracking the movement of workers through the use of GPS and cameras and shooting even the blind spots of CCTV. On-site management It is possible to provide a system for providing on-site management services. However, the technical task to be achieved by the present embodiment is not limited to the technical task as described above, and other technical tasks may exist.

As a technical means for achieving the above-described technical problem, an embodiment of the present invention is a string that transversely crosses the chest part of the human body among at least one string (String) formed to surround at least one part of the human body A smart seat belt and a smart seat belt provided at both ends of the device that include a heart rate sensor that detects heart rate and a transmission module that outputs the heart rate output from the heart rate sensor through IoT-based wireless communication and IoT (Internet of Things)-based wireless communication A wireless communication module for forming a channel, an information input/output module including at least one sensor for sensing the surrounding environment, an image lighting module for photographing the front and irradiating light toward the front, at the center of a string covering both sides and lower sides of the face It includes a control module that analyzes and processes the first fit sensor to detect whether the located fastening means is fastened, the heart rate output from the smart seat belt, the sensed data output from the information input/output module, and the fastening sensed by the first fit sensor. including a smart hard hat.

Another embodiment of the present invention checks whether or not to be worn on the head and body of the human body, identifies a GPS-based location, detects the surrounding environment and outputs detected data, receives and outputs mutual voice through wireless communication, A smart safety protection device that outputs a warning when the detection data exceeds a preset reference value, shoots the front and irradiates light to the front based on the illuminance data among the detection data, and a database unit that stores the identifier of the smart safety protection device; A positioning unit that checks the location of the smart safety protection device in real time based on GPS, a wearing verification unit that outputs a non-wear event when the smart safety protection device is not worn on the human body, and biometric data among the detected data detected by the smart safety protection device Based on the health management unit for monitoring the health status of the worker, and a field management service providing server including an environment management unit for checking the work environment by receiving the surrounding environment data among the sensed data.

According to any one of the above-described problem solving means of the present invention, it is possible to collect and manage the surrounding environment data and biometric data based on IoT, it is possible to control lighting and temperature to respond to changes in the environment, and it is possible to perform a dangerous or emergency situation. In this case, it enables intuitive recognition through color change of lighting, detects abnormal signals with biometric data or enables time and attendance management, facilitates communication between dispersed workers through voice input/output devices through wireless communication, safety helmets and It is possible to manage the wearing of the seat belt in real time, and it is possible to track the movement of the worker through GPS and camera and at the same time to record even the blind spot of the CCTV, so that the progress of work and whether there is any danger can be monitored remotely.

1 is a view for explaining a field management service providing system using an IoT-based smart safety protection device according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating a site management service providing server, a smart hard hat, and a smart seat belt included in the system of FIG. 1 .
3 is an exploded perspective view of each component of a smart helmet among IoT-based smart safety protection devices according to an embodiment of the present invention.
4 is a perspective view in which each component of a smart helmet among IoT-based smart safety protection devices according to an embodiment of the present invention is combined.
5 is a side view of a smart helmet among IoT-based smart safety protection devices according to an embodiment of the present invention.
6 is a rear view of a smart seat belt among IoT-based smart safety protection devices according to an embodiment of the present invention.
7 is an operation flowchart illustrating a method for providing a field management service using an IoT-based smart safety protection device according to an embodiment of the present invention.
8 is a view for explaining an embodiment and effects of a method for providing a field management service using an IoT-based smart safety protection device according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement them. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is "connected" with another part, this includes not only the case of being "directly connected" but also the case of being "electrically connected" with another element interposed therebetween. . Also, when a part "includes" a component, it means that other components may be further included, rather than excluding other components, unless otherwise stated, and one or more other features However, it is to be understood that the existence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded in advance.

The terms "about", "substantially", etc. to the extent used throughout the specification are used in a sense at or close to the numerical value when the manufacturing and material tolerances inherent in the stated meaning are presented, and serve to enhance the understanding of the present invention. To help, precise or absolute figures are used to prevent unfair use by unscrupulous infringers of the stated disclosure. As used throughout the specification of the present invention, the term “step for (to)” or “step for” does not mean “step for”.

In this specification, a "part" includes a unit realized by hardware, a unit realized by software, and a unit realized using both. In addition, one unit may be implemented using two or more hardware, and two or more units may be implemented by one hardware.

In this specification, some of the operations or functions described as being performed by the terminal, apparatus, or device may be performed instead of in a server connected to the terminal, apparatus, or device. Similarly, some of the operations or functions described as being performed by the server may also be performed in a terminal, apparatus, or device connected to the server.

In this specification, some of the operations or functions described as mapping or matching with the terminal means mapping or matching the terminal's unique number or personal identification information, which is the identification data of the terminal. can be interpreted as

And, in the present specification, the seat belt means a seat belt fastened to the waist or a seat belt fastened to the shoulder, and may be interpreted as a concept including at least one of the seat belt and the seat belt.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a view for explaining a field management service providing system using an IoT-based smart safety protection device according to an embodiment of the present invention. Referring to FIG. 1 , the field management service providing system 1 using the IoT-based smart safety protection device includes at least one user terminal 100 , a field management service providing server 300 , and at least one smart hard hat 400 . , may include at least one smart seat belt 500 and a manager terminal (not shown). However, since the field management service providing system 1 using the IoT-based smart safety protection device of FIG. 1 is only an embodiment of the present invention, the present invention is not limitedly interpreted through FIG. 1 .

In this case, each component of FIG. 1 is generally connected through a network 200 . For example, as shown in FIG. 1 , at least one user terminal 100 may be connected to the site management service providing server 300 through the network 200 . And, the site management service providing server 300 is to be connected to at least one user terminal 100, at least one smart helmet 400, at least one smart seat belt 500, and the manager terminal through the network 200. can In addition, the at least one smart safety helmet 400 may be connected to the on-site management service providing server 300 and the smart safety belt 500 through the network 200 . In addition, the at least one smart seat belt 500 may be connected to the on-site management service providing server 300 and the at least one smart safety helmet 400 through the network 200 . Finally, the manager terminal may be connected to the user terminal 100 , the smart hard hat 400 , the on-site management service providing server 300 , and at least one smart seat belt 500 through the network 200 .

Here, the network refers to a connection structure in which information exchange is possible between each node, such as a plurality of terminals and servers, and an example of such a network includes RF, 3rd Generation Partnership Project (3GPP) network, Long Term (LTE). Evolution) network, 5th Generation Partnership Project (5GPP) network, WIMAX (World Interoperability for Microwave Access) network, Internet, LAN (Local Area Network), Wireless LAN (Wireless Local Area Network), WAN (Wide Area Network) , PAN (Personal Area Network), Bluetooth (Bluetooth) network, NFC network, satellite broadcasting network, analog broadcasting network, DMB (Digital Multimedia Broadcasting) network, and the like are included, but are not limited thereto.

In the following, the term at least one is defined as a term including the singular and the plural, and even if at least one term does not exist, each element may exist in the singular or plural, and may mean the singular or plural. it will be self-evident In addition, that each component is provided in singular or plural may be changed according to embodiments.

At least one user terminal 100, at least one smart hard hat 100 and at least one smart safety belt 500 using a web page, an app page, a program or an application related to on-site management service using an IoT-based smart safety protection device ) location, environment and biometric data, and the image data captured by the smart hard hat 100 may be a terminal for monitoring via the on-site management service providing server 300 .

Here, the at least one user terminal 100 may be implemented as a computer that can access a remote server or terminal through a network. Here, the computer may include, for example, navigation, a laptop equipped with a web browser, a desktop, and a laptop. In this case, the at least one user terminal 100 may be implemented as a terminal capable of accessing a remote server or terminal through a network. At least one user terminal 100, for example, as a wireless communication device that guarantees portability and mobility, navigation, PCS (Personal Communication System), GSM (Global System for Mobile communications), PDC (Personal Digital Cellular), PHS(Personal Handyphone System), PDA(Personal Digital Assistant), IMT(International Mobile Telecommunication)-2000, CDMA(Code Division Multiple Access)-2000, W-CDMA(W-Code Division Multiple Access), Wibro(Wireless Broadband Internet) ) terminal, a smart phone, a smart pad, a tablet PC, etc. may include all kinds of handheld-based wireless communication devices.

The site management service providing server 300 may be a server that provides a site management service web page, an app page, a program, or an application using an IoT-based smart safety protection device. In addition, the site management service providing server 300 may be a server that registers and stores identifiers of at least one smart helmet 400 and at least one smart seat belt 500 . In addition, the site management service providing server 300, at least one user terminal 100 and the manager terminal and at least one smart hard hat 400 and at least one smart seat belt 500 by mapping and storing, at least one It may be a server that enables the user terminal 100 and the manager terminal to monitor and stream data output from at least one smart helmet 400 and at least one smart seat belt 500 in real time. And, the site management service providing server 300 stores the reference data for each preset situation, and the data output from the at least one smart helmet 400 and the at least one smart seat belt 500 does not satisfy the reference data In this case, it may be a server that outputs a preset warning or alarm. In addition, the on-site management service providing server 300 may be a server that transmits, when a rescue request is output from the smart hard hat 400 to the manager terminal or the user terminal 100 .

Here, the site management service providing server 300 may be implemented as a computer capable of accessing a remote server or terminal through a network. Here, the computer may include, for example, a navigation device, a laptop computer equipped with a web browser, a desktop computer, and a laptop computer.

At least one smart hard hat 400 may be a device of a worker using a web page, an app page, a program or an application related to a field management service using an IoT-based smart safety protection device. In this case, the smart hard hat 400 may be a device that collects the worker's biometric data, surrounding environment data, location data, and image data, and transmits it to the on-site management service providing server 300 . In addition, the smart hard hat 400 may be a device that is interlocked with the smart seat belt 500 based on IoT, and processes the data collected from the smart seat belt 500 by itself, or transmits it to the on-site management service providing server 300 . It may be a device that

Here, at least one smart hard hat 400 may be implemented as a computer that can connect to a remote server or terminal through a network. Here, the computer may include, for example, a navigation device, a laptop computer equipped with a web browser, a desktop computer, and a laptop computer. At this time, the at least one smart hard hat 400 may be implemented as a terminal that can connect to a remote server or terminal through a network. At least one smart helmet 400 is, for example, as a wireless communication device that guarantees portability and mobility, navigation, PCS (Personal Communication System), GSM (Global System for Mobile communications), PDC (Personal Digital Cellular), PHS(Personal Handyphone System), PDA(Personal Digital Assistant), IMT(International Mobile Telecommunication)-2000, CDMA(Code Division Multiple Access)-2000, W-CDMA(W-Code Division Multiple Access), Wibro(Wireless Broadband Internet) ) terminal, a smart phone, a smart pad, a tablet PC, etc. may include all kinds of handheld-based wireless communication devices.

At least one smart seat belt 500 is a device that detects whether a worker is wearing or whether a fastening means is fastened using a web page, an app page, a program or an application related to a field management service using an IoT-based smart safety protection device. can In addition, the at least one smart seat belt 500 may be a device for transmitting the sensed data via the smart helmet 400 to the site management service providing server 300 . Of course, when a wireless module capable of medium-range or long-distance communication is installed in at least one smart seat belt 500, data transmission is possible without going through the smart safety helmet 400, and deletion or addition of each configuration is possible according to various embodiments. It is obvious that it is possible.

Here, the at least one smart seat belt 500 may be implemented as a computer capable of accessing a remote server or terminal through a network. Here, the computer may include, for example, a navigation device, a laptop computer equipped with a web browser, a desktop computer, and a laptop computer. In this case, the at least one smart seat belt 500 may be implemented as a terminal capable of accessing a remote server or terminal through a network. At least one smart seat belt 500 is, for example, as a wireless communication device that ensures portability and mobility, navigation, PCS (Personal Communication System), GSM (Global System for Mobile communications), PDC (Personal Digital Cellular), PHS(Personal Handyphone System), PDA(Personal Digital Assistant), IMT(International Mobile Telecommunication)-2000, CDMA(Code Division Multiple Access)-2000, W-CDMA(W-Code Division Multiple Access), Wibro(Wireless Broadband Internet) ) terminal, a smart phone, a smart pad, a tablet PC, etc. may include all kinds of handheld-based wireless communication devices.

The manager terminal 600 is at least one smart hard hat ( 400) may be a terminal of a manager that outputs the data in real time or outputs an alarm or a rescue signal. In addition, the manager terminal 600 may be a terminal of a manager that transmits data or receives data via the on-site management service providing server 300 or directly to at least one smart hard hat 400 .

Here, the manager terminal may be implemented as a computer capable of accessing a remote server or terminal through a network. Here, the computer may include, for example, a navigation device, a laptop computer equipped with a web browser, a desktop computer, and a laptop computer. In this case, the manager terminal may be implemented as a terminal capable of accessing a remote server or terminal through a network. The manager terminal is, for example, as a wireless communication device that ensures portability and mobility, navigation, PCS (Personal Communication System), GSM (Global System for Mobile communications), PDC (Personal Digital Cellular), PHS (Personal Handyphone System) , PDA (Personal Digital Assistant), IMT (International Mobile Telecommunication)-2000, CDMA (Code Division Multiple Access)-2000, W-CDMA (W-Code Division Multiple Access), Wibro (Wireless Broadband Internet) terminal, smart phone ( smartphone), smart pad, tablet PC, and the like, may include all kinds of handheld-based wireless communication devices.

Figure 2 is a block diagram for explaining the on-site management service providing server, smart hard hat and smart safety belt included in the system of Figure 1, Figure 3 is a smart hard hat among IoT-based smart safety protection devices according to an embodiment of the present invention is an exploded perspective view of each component, Figure 4 is a perspective view in which each component of a smart helmet among IoT-based smart safety protection devices according to an embodiment of the present invention is combined, and Figure 5 is an embodiment of the present invention A side view of a smart safety helmet among IoT-based smart safety protection devices, and FIG. 6 is a rear view of a smart seat belt among IoT-based smart safety protection devices according to an embodiment of the present invention.

2 to 6 , the on-site management service providing server 300 includes a database conversion unit 310 , a location confirmation unit 320 , a wearing confirmation unit 330 , a health management unit 340 , and an environment management unit 350 . , and a rest management unit 360 and a work management unit 370 . The smart hard hat 400 may include a wireless communication module 410 , an information input/output module 420 , an image lighting module 430 , a control module 440 , and a first fit sensor 450 . The smart seat belt 500 may include a heart rate sensor 510 , a second fit sensor 520 , and a third fit sensor 530 .

At least one user terminal 100, at least one smart hard hat 400, and at least one When transmitting a field management service application, program, app page, web page, etc. using the IoT-based smart safety protection device to the smart seat belt 500, at least one user terminal 100, at least one smart hard hat 400, And at least one smart seat belt 500 may install or open a field management service application, program, app page, web page, etc. using the IoT-based smart safety protection device. In addition, the service program may be driven in at least one user terminal 100 , at least one smart helmet 400 , and at least one smart seat belt 500 using a script executed in a web browser. Here, the web browser is a program that enables the use of a web (WWW: world wide web) service, and refers to a program that receives and displays hypertext written in HTML (hyper text mark-up language), for example, Netscape , Explorer, Chrome, and the like. In addition, the application means an application on the terminal, for example, includes an app (app) executed in a mobile terminal (smartphone).

2 to 6 , the database forming unit 310 may store the identifier of the smart safety protection device. In this case, the smart safety protection device may include a smart hard hat 400 and a smart seat belt 500 . In addition, it checks whether it is worn on the head and body of the human body, identifies a GPS-based location, detects the surrounding environment and outputs detected data, receives and outputs mutual voice through wireless communication, and detects data is a preset reference value If it exceeds, a warning may be output, the front may be photographed, and light may be irradiated to the front based on the illuminance data among the detected data.

Here, the database unit 310 may map and manage the smart hard hat 400 and the smart seat belt 500 as a pair, but does not exclude the management by giving each identifier or ID as a separate unit. . And, after storing the identifier, the database conversion unit 310 may map and store the data collected by each of the following components included in the site management service providing server 300 to the identifier in real time, and the stored data is If the set period has elapsed, it may be deleted, or, when requested by the user terminal 100 , an access right may be granted to the user terminal 100 and the period may be set and maintained.

The location check unit 320 may check the location of the smart safety protection device in real time based on GPS. Here, it is possible to track a real-time movement without error based on GPS outdoors, but may not be based on GPS indoors due to the influence of signal strength. For example, the positioning unit 320 may perform indoor positioning using a local area network such as BLE indoors. For example, in addition to Bluetooth 5.1, the IEEE 802.15.4z standard IR-UWB (Impulse-Radio Ultra- Wideband), Angle of Arrival (AoA), Angle of Departure (AoD), Fingerprinting, Time of Arrival (ToA), Time Difference of Arrival (TDoA), etc. may be used. In addition, in order to interpret this, trilateration using a Received Signal Strength Indicator (RSSI), a technique using CSI (Channel State Information), etc. may be used, but the present invention is not limited thereto.

The wearing confirmation unit 330 may output a non-wearing event when the smart safety protection device is not worn on the human body. At this time, the smart safety protection device checks whether the smart hard hat 400 and the smart seat belt 500 are worn, and if worn, the fastening means is fastened, and the result value is fed back to the wearing confirmation unit 330 . do. At this time, the sensing device for measuring the information on whether wearing or not may use a contact-type physical switch, but is not limited thereto. In addition, by attaching a neodymium magnet to the sensing device, when the protrusion part of the fastening means is inserted into the groove part, the input signal of the magnetic detection sensor (Hall-Sensor) through the magnetization phenomenon, the piezoelectric sensor, or the impact sensor detects whether it is fastened. However, it will be apparent that various embodiments are possible without being limited thereto.

The health management unit 340 may monitor the health status of the worker based on biometric data among the sensed data detected by the smart safety protection device. In this case, the biometric data may be a heart rate or a respiration rate, but is not limited thereto. Also, the health management unit 340 may use a non-contact vital sign detection (VSD) device. At this time, the biosignal can be defined as the respiratory rate by the lungs and the heart rate by the heart (Cardiac Rate). Since a minute phase change is generated in the radar reflection signal received from the , respiration rate or heart rate may be detected by analyzing the micro-Doppler effect when performing spectrum analysis on the minute phase change. Here, since there are many workers at the construction site, anti-signals by a plurality of people may be mixed into one radar reception signal at the same distance (Radial-Range), so in order to separate the mixed radar reception signal into individual human signals A Variational Mode Decomposition (VMD) algorithm may be used. Alternatively, a plurality of people may be separated on the distance axis using a Multiple Signal Classification (MUSIC) algorithm.

The environment management unit 350 may check the work environment by receiving the surrounding environment data among the sensed data. In this case, the smart safety protection device may further include a Peltier element that emits heat or absorbs heat based on a temperature sensor and a body temperature sensor among at least one sensor included in the smart safety protection device. Therefore, the environment management unit 350, when the temperature and humidity sensed by the temperature sensor and the humidity sensor satisfy a preset cooling or heating standard, the Peltier element may emit or absorb heat. Of course, it is not managed by the environment management unit 350 but is directly controlled by the smart safety protection device, and only the result value can be transmitted from the smart safety protection device to the environment management unit 350 so that the environment management unit 350 can leave a history log. .

The break management unit 360 tracks the location data received from the GPS of the smart safety protection device, outputs a break time when wearing a preset time, and after the output break time, the wear confirmation unit 330 and the location check unit 320 ), based on the wear data and location data, it is possible to determine whether to rest. For example, during lunch time, the fastening means is released, and during break time, most of them do not move from one seat or move to another point by leaving the site. can manage In addition, the break management unit 360, the break time stipulated by the Labor Standards Act is 30 minutes after 4 hours of work, so it may be kept, or the result value may be fed back and stored.

The task management unit 370 tracks the location data received from the GPS of the smart safety protection device, compares it with the pre-stored location of the worker assigned to each team, checks whether the team leaves the team, and puts the worker who left the team in the checklist You can include and update. For example, if A, B, C, and D are a team, A, B, C, and D often work together in the Z area or move along a path that forms a series of movement lines like X-Y-Z. In this case, when A is located in the Z area beyond a preset radius, does not exist on the X-Y-Z path, or exceeds a preset radius in the path, it may be regarded as team departure. Since it is not possible to manually record and manage each one in a state where it is difficult for subcontractors to manage, log is created by including it as data, and then used as evidence for time and attendance management. In addition, when it is out of a preset radius, which is a reference value, an interrupt signal, for example, a warning may be displayed and checked in the history log to facilitate subsequent search by tagging.

The wireless communication module 410 may form a channel to interwork with the smart seat belt 500 through Internet of Things (IoT)-based wireless communication. At this time, the wireless communication module 410 may be integrally formed with a control module 440 to be described later. In this embodiment, the wireless communication module 410 may be deleted, and the wireless communication module in the control module 440 may be All of the components and operations and processes of 410 may be performed. In this case, the wireless communication module 410 may use LoRa Communication. LoRa is a wireless communication technology that uses a frequency of 920Mhz band as a Long Range Low Power wireless platform. The IoT scenario using LoRa can be used for a similar purpose to the currently used CDMA/LTE modem-based IoT scenario, but it is much easier to access. The method using LoRa and the method using CDMA/LTE modem provide many advantages when used outdoors or in an indoor environment where network establishment is difficult rather than indoors where network environment is easy in common. When building an IoT scenario using LoRa, SKT's ThingPlug server collects data and mediates device control, so it is possible to collect or control data from remote devices without a modem, phone line, or dedicated server. There are advantages. For example, it is possible to monitor or control a remote sensor network only with a smartphone, and there is no need to worry about exhaustion of number resources unlike the existing CDMA/LTE because 010 numbers do not need to be assigned. In other words, it takes less time and money to build an IoT scenario, and a desired scenario can be built quickly.

Therefore, in the wireless communication module 410 according to an embodiment of the present invention, by enabling the location tracking of a companion animal using the smart hard hat 400 equipped with low-power LoRa wireless communication and GPS reception functions, indoor location positioning and to enable tracking. Here, the smart hard hat 400 may transmit the current worker's location as a GPS value to the on-site management service providing server 300 using LoRa communication, and the on-site management service providing server 300 is, in the user terminal 100, so you can check its contents. Here, the power supply of the smart hard hat 400 may use a WIFI AP, etc., and the communication between the smart hard hat 400 and the on-site management service providing server 300 is a LoRa communication method that does not require a WIFI AP or a repeater. By using, it is possible to minimize the power consumption of the smart helmet 400. For LoRa communication, UART , SPI communication method and interface may be applied, but is not limited thereto.

The information input/output module 420 may include at least one sensor for sensing the surrounding environment. In this case, the at least one sensor may be at least one sensor that detects temperature, humidity, vibration, noise, ultraviolet rays, harmful gas, illuminance, and impact. However, the types of the at least one sensor are not limited to those listed. In addition, the information input and output module 420, a GPS (not shown) that generates and outputs the location information of the smart hard hat 400, a wireless microphone (C) that receives the wearer's voice, and a danger warning, alarm and rescue request It may further include a speaker (C) for outputting the included sound. The information input/output module 420 may further include an LED controlled by the control module 440 to flicker at night or in an emergency, and an optical element disposed radially around the LED to display the operating state of at least one sensor. have. Through this, it is possible to intuitively determine whether the sensor is operating, and to grasp an emergency situation at night or in an emergency.

Here, the information input/output module 420 may perform voice recognition by itself when the computing resources are sufficiently implemented, otherwise, it secures networking resources and performs voice recognition with the on-site management service providing server 300 . real-time voice data for Here, if the on-site management service providing server 300 does not have a database of sufficient space, the on-site management service providing server 300 converts the uploaded voice data into text data using Speech to Text (STT). can be saved. After extracting and tagging important keywords from within the text, when a search word is entered as a query, it can be detected based on the degree of similarity. To this end, the site management service providing server 300 may not only convert and store text, but also extract keywords that may appear as search terms. A keyword is a word that can represent the document by distinguishing it from other documents, and can be used in information retrieval, document classification, and summary. To this end, keywords may be extracted using Term Frequency-Inverse Document Frequency (TF-IDF). Alternatively, you can use FastText, which calculates word embeddings by reflecting the context of the word before and after it. In this case, it is possible to obtain a word having a high similarity to the category word. Alternatively, a dictionary composed of keywords may be created that helps a classification problem by giving weights to contexts by using weights of Convolutional Neural Networks (CNNs) and reflecting category information.

In CNN, the convolutional layer calculates weights for the features of the input sentence. Then, through Max-Pooling, only the features with the highest weight in each filter are selected and categories are classified. The model updates the weights by passing the difference between the predicted category and the actual category to each layer through back-propagation. In this process, the convolutional layer learns to give high weight to the important features in classifying categories in each sentence. At this time, using the point that the weight of the convolutional layer indicates the importance of the feature for classification, a word with a high weight can be regarded as a keyword and extracted. At this time, in order to flexibly cope with errors in the document such as speech errors (when the text is marked as misspelled or the wrong word is uttered), the CNN is trained syllable by syllable to obtain the weight of each syllable in the document. The final importance may be obtained by combining the weights of the syllables constituting the word.

The image illumination module 430 may photograph the front and irradiate light toward the front. To this end, the image illumination module 430 may include a camera (E), an illumination (F) and a thermal imaging camera (D). The image illumination module 430 is turned on when the illuminance value output from the illuminance sensor among at least one sensor of the information input/output module 420 is lower than the reference value pre-stored in the control module 440 and is turned on to irradiate light and the irradiated light intensity and light quantity may be inversely proportional to the illuminance.

The control module 440 may analyze and process the heart rate output from the smart seat belt 500 , the sensed data output from the information input/output module 420 , and whether the fastening detected by the first fit sensor 450 . The control module 440 may further include a battery (not shown) for applying power and a charging terminal (not shown) for charging the battery. Of course, it will be obvious that a central processing unit for collecting and processing each sensed data and a memory for storing an algorithm or process for processing are included.

The first fit sensor 450 may detect whether the fastening means located in the center of the string B surrounding both sides and the lower side of the face is fastened. At this time, the fastening means, in order to fasten the image lighting module 430, the information input/output module 420, and the control module 440, may be provided on the front, side, and back of the smart hard hat 400, respectively. In addition, the fastening means (A) has a groove and a hole formed so as to be coupled with the protrusion formed at the lower end of the image lighting module 430, the information input/output module 420, and the control module 440 with one touch, and in the groove and hole. The projections can be interpolated.

The heart rate sensor 510 may be provided at both ends of at least one string formed to surround at least one part of the human body and may be provided at both ends of the string that crosses the chest part of the human body in the horizontal direction to detect the heart rate. Of course, the coupling position of the heart rate sensor 510 is not limited to the above-described position, and if it is a position capable of measuring a heart rate, it will be possible anywhere within the string.

The second fit sensor 520 may detect whether the fastening means located at the center of the string crossing the chest in the horizontal direction is fastened, and the third fit sensor 530 is to wrap the waist of the human body. Whether the fastening means located at the center of the located string is fastened may be detected.

In this case, the transmission module (not shown) may output the heart rate output from the heart rate sensor through IoT-based wireless communication. In addition, the transmission module may output a signal output from the second fit sensor 520 and the third fit sensor 530 through IoT-based wireless communication. Here, the output target of the transmission module may be a smart hard hat 400 . Here, the IoT communication protocol can use the IETF standard, and in particular, assuming a low-power loss network composed of resource-constrained devices as a local IoT environment and resource-constrained devices (Constrained Node) A method for providing Internet connectivity can also be used. .

In this case, the IETF standard may recognize a low power and lossy network (LLN) composed of resource-constrained nodes as an IoT access network environment and include an access network related IoT standard. In addition, the transmission module may use a networking method for constructing a non-infrastructure-less based IoT network in an access network environment composed of an infrastructure-based network. The configuration, standard, and protocol of the transmission module may be directly applied to the aforementioned wireless communication module 410 . Here, the transmission module builds core networking using a SON (Self-Organization Networking) technique that constitutes a network in which nodes participating in the network can efficiently transmit data by themselves, and using this, the network is arranged in a mesh form. A communication channel can be formed with a node.

In this case, when setting a control node among a plurality of nodes, the set control node serves as a group leader with neighboring nodes as group members. At this time, the two domains are divided into a physical domain configured based on the information on which the actual node is located and a control domain composed of a control node. The control domain is an overlay network type domain used to exchange information necessary for network configuration. In particular, since the control node acts as a representative node representing the group to which it belongs, it delivers the node and control message belonging to the group to the control node instead. In addition, the gateway that connects the infrastructure-based network and the Internet is designated as a node serving as the SON coordinator that connects the control node and the node with the highest authority of the non-infrastructure-based IoT network. Therefore, the SON coordinator collects and manages information of all nodes existing in the non-infrastructure-based IoT network, and makes a final decision on link creation when configuring the IoT network. In addition, it can be set to simultaneously perform the role of performing the ND (Neighbor Discovery) function, which is a neighbor node discovery process in a non-infrastructure-based IoT network.

In this way, when a representative is elected and becomes a control node, it is necessary to group by searching for neighboring nodes. At this time, when performing ND, 6LR (6LoWPAN Router) node is selected among outnodes, and DAR/DAC (Duplicate Address Request/Duplicate Address Confirmation) message is exchanged to 6LBR (6LoWPAN Border Routers) through the 6LR node to perform the ND process. ND technology can be used. Furthermore, instead of transmitting the DAR message to the gateway performed by 6LBR, it may be configured to reduce the number of control messages generated in the ND process in the network by exchanging DAR/DAC messages to the control node that manages itself. When the network is formed in this way, a path setting and discovery process is required for data transfer between nodes. In this case, a layer-based path setting and discovery method can be used. The hierarchical area is the area managed by the control node, and the control message required for path search is delivered only within the control domain composed of the control node. Accordingly, each node in the physical domain may establish a path in the physical domain through the path searched by the control node, and data transmission may be performed. Of course, it will be apparent that, in addition to the above-described methods, various methods for building infrastructure using IoT nodes or sensors are available.

The matters not described for the on-site management service using the IoT-based smart safety protection device of FIGS. 2 to 6 are the same as those described for the on-site management service using the IoT-based smart safety protection device through FIG. 1 above, or Since it can be easily inferred from the described content, the following description will be omitted.

7 is a diagram illustrating a process in which data is transmitted/received between components included in the on-site management service providing system using the IoT-based smart safety protection device of FIG. 1 according to an embodiment of the present invention. Hereinafter, an example of a process in which data is transmitted and received between each component will be described with reference to FIG. 7 , but the present application is not limited to such an embodiment, and the example shown in FIG. 7 according to the various embodiments described above will be described. It is apparent to those skilled in the art that the data transmission/reception process may be changed.

Referring to FIG. 7 , the on-site management service providing server stores the identifier of the smart safety protection device (S7100), and checks the location of the smart safety protection device in real time based on GPS (S7200).

In addition, the on-site management service providing server outputs a non-wear event when the smart safety protection device is not worn on the human body (S7300), and monitors the health status of the worker based on biometric data among the detected data detected by the smart safety protection device and (S7400), and the on-site management service providing server checks the work environment by receiving the surrounding environment data among the sensed data (S7500).

The order between the above-described steps (S7100 to S7500) is merely an example and is not limited thereto. That is, the order between the above-described steps S7100 to S7500 may be mutually changed, and some of these steps may be simultaneously executed or deleted.

Matters not described with respect to the on-site management service providing system using the IoT-based smart safety protection device of FIG. 7 as described above with respect to the field management service providing system using the IoT-based smart safety protection device through FIGS. Since it is the same as the content or can be easily inferred from the described content, the following description will be omitted.

8 is a view for explaining an embodiment and effects in which a method for providing a field management service using an IoT-based smart safety protection device according to an embodiment of the present invention is implemented. Referring to FIG. 8 , an embodiment of the present invention can be used separately or in combination according to customer needs, and can be used to monitor high-risk tasks, manage unskilled people intensively, and respond to emergency situations early. and by inducing a change in the attitude of workers, it is ensured that quarrels in the workplace do not lead to accusations and escalate into legal battles.

The on-site management service method using the IoT-based smart safety protection device according to an embodiment described with reference to FIG. 7 is in the form of a recording medium including instructions executable by a computer, such as an application or program module executed by a computer. can also be implemented. Computer-readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. Also, computer-readable media may include all computer storage media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data.

The field management service providing method using the IoT-based smart safety protection device according to an embodiment of the present invention described above may include an application basically installed in a terminal (which may include a program included in a platform or an operating system basically mounted in the terminal) ), and may be executed by an application (ie, a program) installed directly in the master terminal through an application providing server such as an application store server, an application, or a web server related to a corresponding service by the user. In this sense, the on-site management service providing method using the IoT-based smart safety protection device according to an embodiment of the present invention described above is implemented as an application (that is, a program) installed by default in the terminal or directly installed by the user, and installed in the terminal. It may be recorded on a computer-readable recording medium, such as.

The description of the present invention described above is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention. do.

Claims (12)

A heart rate sensor provided at both ends of a string that crosses the chest area of the human body in the horizontal direction among at least one string formed to surround at least one part of the human body to detect a heart rate, and output from the heart rate sensor a smart seat belt including a transmission module for outputting heart rate through IoT-based wireless communication; and
A wireless communication module for forming a channel to interwork with the smart seat belt and IoT (Internet of Things)-based wireless communication, an information input/output module including at least one sensor for sensing the surrounding environment, photographing the front and irradiating light toward the front image lighting module, a first fit sensor for detecting whether the fastening means located in the central part of the string surrounding both sides and the lower side of the face is fastened, the heart rate output from the smart seat belt, the sensed data output from the information input/output module, and the Smart hard hat including a control module for analyzing and processing whether the fastening sensed by the first wearing sensor;
IoT-based smart safety protection device that includes.
The smart seat belt is
a second fit sensor for detecting whether the fastening means located in the center of the string crossing the chest region in the horizontal direction is fastened;
a third fit sensor for detecting whether the fastening means located in the center of the string positioned to surround the waist of the human body is fastened;
IoT-based smart safety protection device, characterized in that it further comprises.
The method of claim 1,
the at least one sensor,
An IoT-based smart safety protection device comprising at least one sensor that detects temperature, humidity, vibration, noise, ultraviolet light, harmful gas, illuminance, and impact.
The method of claim 1,
The information input/output module,
GPS for generating and outputting location information of the smart helmet;
a wireless microphone for receiving the wearer's speech; and
a speaker outputting a sound including a danger warning, an alarm, and a rescue call;
IoT-based smart safety protection device, characterized in that it further comprises.
The method of claim 1,
The smart hard hat,
Fastening means respectively provided on the front, side and back of the smart hard hat to fasten the image lighting module, the information input/output module and the control module;
further comprising,
The fastening means has a groove and a hole formed at the bottom of the image lighting module, the information input/output module and the control module to be coupled with one-touch, and the protrusion is inserted into the groove and hole. Smart safety protection.
The method of claim 1,
The control module is
a battery for applying power;
a charging terminal for charging the battery;
IoT-based smart safety protection device, characterized in that it further comprises.
The method of claim 1,
The information input/output module,
LED controlled by the control module to flicker at night or in an emergency;
an optical element arranged radially around the LED to display an operating state of the at least one sensor;
IoT-based smart safety protection device, characterized in that it further comprises.
The method of claim 1,
The image lighting module,
When the illuminance value output from the illuminance sensor among the at least one sensor of the information input/output module is lower than the reference value pre-stored in the control module, it is turned on to irradiate light, and the irradiated light intensity and quantity are inversely proportional to the illuminance IoT-based smart safety protection device, characterized in that.
It checks whether it is worn on the head and body of the human body, identifies the GPS-based location, detects the surrounding environment and outputs detected data, receives and outputs mutual voices through wireless communication, and the detected data sets a preset reference value Smart safety protection device for outputting a warning when exceeding, photographing the front and irradiating light to the front based on the illuminance data among the detected data; and
A database forming unit that stores the identifier of the smart safety protection device, a positioning unit that checks the location of the smart safety protection device in real time based on GPS, and a wear that outputs a non-wear event when the smart safety protection device is not worn on the human body A site comprising a confirmation unit, a health management unit for monitoring the health status of a worker based on biometric data among the detected data detected by the smart safety protection device, and an environment management unit for checking the work environment by receiving surrounding environment data among the detected data management service providing server;
A field management service provision system using an IoT-based smart safety protection device comprising a.
10. The method of claim 9,
The smart safety protection device,
a Peltier element for emitting or absorbing heat based on a temperature sensor and a body temperature sensor among at least one sensor included in the smart safety protection device;
Field management service providing system using an IoT-based smart safety protection device, characterized in that it further comprises.
10. The method of claim 9,
The on-site management service providing server,
Tracks the location data received from the GPS of the smart safety protection device, outputs a break time when wearing a preset time, and rests based on the wearing data and location data of the wearing confirmation unit and the positioning unit after the output break time Rest management unit to determine whether or not;
Field management service providing system using an IoT-based smart safety protection device, characterized in that it further comprises.
10. The method of claim 9,
The on-site management service providing server,
A task management unit that tracks the location data received from the GPS of the smart safety protection device, compares it with the previously stored location of the worker assigned to each team, checks whether the team leaves the team, and includes the worker who left the team in the checklist to update it ;
Field management service providing system using an IoT-based smart safety protection device, characterized in that it further comprises.

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