KR20180125851A - Smart safety management device and safety management system utilizing thereof - Google Patents

Abstract

The present invention relates to a smart safety management device including a smart terminal including a sensor for detecting a harmful factor and measuring a numerical value and a warning device, and a smart band mountable on a body to directly transmit information received from the smart terminal or a central control device to a worker, as a component of a system for protecting the worker by previously recognizing the harmful factor in an industrial field. According to the present invention, a negligent accident can be prevented by monitoring whether the worker is safe in the field in real time by using a wireless communication technique and the smart terminal for detecting and measuring the harmful factor of the field and transmitting an alarm to the smart band and a portable terminal of the worker if a risk situation is expected.

Description

[0002] Smart safety management apparatuses and safety management systems using the same [0002]

The present invention relates to a smart safety management device that transmits safety related information collected in various industrial fields and a safety management system using the same.

In an enclosed space or in an industrial field where there are many risk factors, special care is required because of the occurrence of choking accidents due to contaminated air and harmful gas. According to the industrial accident analysis released by the Korea Occupational Safety and Health Agency, the number of suffocating accidents due to toxic gas and chemical poisoning will reach 35 in 2012, 55 in 2013 and 34 in 2014, It is not. These choking accidents account for only about 3% of all industrial accidents, but they are the cause of deaths in manufacturing and construction sites.

On the other hand, it is difficult to find any signs of suffocation caused by hydrogen sulfide in sewage and sewage treatment plants. Hydrogen sulfide is a deadly toxic gas that naturally occurs in the process of decomposition of organic matter. When mixed with a trace amount of air, it smells like eggs. However, when it is above 0.3PPM, it can not be detected by numbing the smell.

According to the Industrial Safety and Health Law, in order to work in an enclosed space, it is required to measure the concentration of harmful gas, ventilate before entry, and equip with radio, air respirator, and ventilation mask. It is a reality that it is not kept properly because of cost reduction.

In the industrial field, workers are inevitably out of control of the central management system, often working with a small number of employees, and often disconnected from the outside, even if they are in a situation where they are threatened by life, Lt; / RTI > Therefore, workers working in hazardous industrial sites need to be aware of such a situation immediately when exposed to a risk factor, and construct a system that can be controlled by a central management system. In addition, if the worker can proactively recognize the dangerous situation in advance, the accident rate can be greatly reduced.

Therefore, SMART safety management device and safety management system, which reduces the risk of accidents and deaths by inducing safety behaviors to employees by recognizing harmful factors in advance and informing them in the industrial field, is an indispensable technology for worker safety.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a smart safety management device including a smart terminal and a smart band for measuring harmful information in the field and transmitting information.

Another object of the present invention is to provide a smart safety management device, a repeater, a central server, And a central control device.

In order to solve the above problems, the present invention provides a system for protecting workers by recognizing harmful factors in advance in an industrial field, comprising a sensor capable of detecting harmful factors and measuring a numerical value, and a smart And a smart band mountable on the body capable of directly transmitting information received from the terminal and the smart terminal or the central control device to the worker.

According to an embodiment of the present invention, a sensor mounted on a smart terminal is mounted on a stick capable of adjusting a length, and can measure a harmful element without directly entering an enclosed space Provide smart safety management device.

The present invention also provides a smart safety management device capable of transmitting information measured by the smart terminal to a portable terminal of a worker.

According to one embodiment of the present invention, the smart terminal is manufactured as a stick lantern type and is detachably attached to a helmet of an operator.

According to another aspect of the present invention, there is provided a smart security management system including a smart security management device including the smart terminal and the smart band, a repeater for receiving information from the smart terminal and transmitting data to the central server, And a central control device for monitoring the field by analyzing information received from a receiving central server and a central server.

According to another aspect of the present invention, there is provided an alarm device provided in the smart terminal, wherein the alarm device operates automatically when the measured value of the sensor exceeds a predetermined range or reaches a predetermined value, The control system provides a control system that can control the alarm signal directly according to the situation of the work site.

According to one embodiment of the present invention, the central control device analyzes the harmful factors collected in the field in advance, and if the harmful factors tend to deviate from a certain level even if the harmful factors are not at a dangerous level, And provides a safety management system that immediately transmits an alert signal to the operator's smart band.

According to another aspect of the present invention, there is provided a smart terminal, wherein when a malfunction occurs in which the smart terminal can not transmit data collected in the field to a server, the central control device uses a smart band or a broadcasting equipment installed in the field And provides a safety management system that alerts the operator in advance.

According to another aspect of the present invention, there is provided a safety management system in which an alert signal of the smart band is operated in at least one selected from a color change, an alarm, and a vibration.

According to another aspect of the present invention, there is provided a safety management system in which information reception and transmission of the personal terminal is performed by selecting one of Bluetooth, WCDMA, and wifi communication.

According to another aspect of the present invention, there is provided a safety management system for transmitting harmful information measured in the smart terminal to a vibration or verbal signal through a smart earphone mounted on an ear of an operator.

According to another embodiment of the present invention, when a signal is not received from the smart terminal or information collected at a harmful site is determined to be abnormal, a dron equipped with a camera is used to monitor To provide a safety management system.

As described above, the smart safety management device of the present invention and the safety management system using the smart security device utilize a smart terminal equipped with a sensor capable of detecting and measuring a harmful factor, a smart band, and a wireless communication technology, By monitoring the data on the site, it is possible to monitor in real time whether the worker is working safely in the field.

In addition, the smart safety management device of the present invention and the safety management system utilizing the same provide location information through a wireless repeater of the smart device, analyze the work safety of the worker at the central control device, And smart bands, it is possible to prevent safety accidents.

In addition, the safety management device and the safety management system using the safety management device of the present invention monitor the situation using the dron equipped with the camera when signals are not transmitted from the smart terminal or information collected at the harmful site is abnormal Thereby enabling immediate countermeasures in case of a dangerous situation.

 In addition, the safety management device of the present invention and the safety management system using the same can be manufactured as a stick type that can be adjusted in length, and can be installed in a space where danger is expected, for example, In the chemical reactor, the operator can always measure the risk factors at the work site by using the sensor installed in the smart terminal before entering the space, and thus it is possible to prevent the safety accident of the worker.

1 is a diagram schematically illustrating a smart terminal and a smart band according to an embodiment of the present invention.
FIG. 2 is a schematic view showing the smart terminal of the present invention mounted on a helmet. FIG.
3 is a block diagram illustrating an energy harvest type beacon-based industrial field safety management system of the present invention.
4 is a schematic diagram showing a system configuration of a smart device of the present invention.
5 is a schematic diagram showing an operation process of the safety management system of the present invention.

The present invention provides a safety management system capable of real-time monitoring of the concentrations of hazardous substances in the field (closed space workplace) by sending the harmful gas real-time concentration data and the average concentration data measured by the smart terminal to the manager in the central control device .

In addition, the administrator of the central control device can check in real time whether the worker is performing the current work without any problem in the confined space and check the biometric data provided by the smart band to protect and supervise the worker in safety have.

Through the smart safety management device and the safety management system of the present invention, the implementation of the smart factory, that is, the manager prevents real-life accident by preventing the safety accident and large explosion accident through real-time field monitoring, and provides a safe working environment.

1 shows a smart terminal 101 and a smart band 102 of the present invention. As shown in the figure, the smart terminal includes a sensor 103 and a battery unit 104 for charging. As shown in the figure, the length of the smart terminal can be adjusted and the length of the terminal can be extended to measure the concentration of noxious gas in the work space, which is sealed with the sensor before the worker completely enters the closed space. In addition, the smart terminal has a built-in rechargeable battery so that it is charged when not in use, and is designed to emit light or beep when the battery is in a low state of charge due to progress of discharge.

Thus, the information measured through the sensor unit 103 can be transmitted through a smart band that can be mounted on the user's arm or wrist, and the information can be immediately transmitted to the operator through text, voice, light, and vibration have. The worker who receives such information can immediately recognize the information on the workspace, and if the risk is expected, the worker can immediately get off the site and secure the safety. The sensor unit 103 may be a sensor capable of measuring various types of signals, for example, a harmful gas concentration, an oxygen concentration, a temperature, a humidity, a dust, etc. The sensor may be provided.

The smart terminal may include a sensor for information measurement, an alarm for displaying a warning, a wireless communication transmitting and receiving unit, a memory for storing data, a controller, and a battery.

Meanwhile, the smart band is designed to be mounted on the operator's arm or wrist, and displays the information measured by the smart terminal visually or audibly. If the harmful elements such as the harmful gas measured by the smart terminal are dangerous, The operator is required to transmit information to the operator through a light or a warning sound.

2 shows a helmet 200 equipped with a smart terminal. The helmet may be a generally used safety helmet as it is, or it may be possible to use a more optimized separate helmet for the smart terminal of the present invention. Such a helmet equipped with a smart terminal can be a great help in maintaining a safe condition of an operator at various work sites.

The safety helmet may further include a battery charging device using solar light if necessary, and may include a separate device for measuring the body temperature such as body temperature and brain waves at the head of the operator. However, Are not required to practice the present invention.

Meanwhile, the smart terminal of the present invention can be mounted on a front part of a general work or helmet using a clip or the like. In some cases, such a smart terminal may be wrapped around the entire helmet using a flexible band instead of a clip. If any form is attached to the helmet and is properly mounted so that it is not detached from the helmet when the impact is below the appropriate level, there is no problem.

3 is a block diagram showing an energy harvest type beacon-based industrial field safety management system of the present invention, which is a schematic diagram showing an overall system configuration.

First, the field information such as the concentration of the harmful gas measured from the sensor mounted on the operator's safety helmet can be transmitted to the smart band worn by the worker or the portable terminal of the operator. Such information can be transmitted through the repeater It is transmitted to the central server and finally received by the central control device so that the manager or the computer can systematically analyze the data and transmit the action instructions necessary for the safety of the operator.

On the other hand, when safety-related information is transmitted to the operator based on the information analyzed by the central control unit, the information can be transmitted to the smart band or the personal terminal owned by the operator. In addition, the smart terminal attached to the worker's helmet may utilize the GPS technology to position the worker, transmit the information collected by the sensor to the smart band, and simultaneously transmit the information to the personal terminal of the worker or the repeater installed at the nearest distance .

If the operator does not respond even though the alarm signal has been transmitted, the central control unit may contact the surrounding worker to instruct the support, or if there is no nearby worker and direct support or field verification is not possible, the drone may be dispatched have.

The wireless communication module used for transmitting / receiving information to / from the smart terminal and the repeater may be a Bluetooth low energy (BLE), a WiFi, a long range (LoRa), a radio frequency identification (RFID) Etc. may be used. In one embodiment of the present invention, the wireless communication module uses a low power Bluetooth (BLE) module.

4 is a schematic diagram showing a system configuration of a smart device of the present invention. The smart device 110 of the present invention comprises a smart terminal 101 and a smart band 102. The smart terminal and the smart band can transmit information using short distance communication. A communication transmission / reception unit 112, a memory 113, and a battery unit 104.

The controller 111 controls the smart terminal 101 and the wireless communication transceiver 112 and the wireless communication transceiver 112 transmits and receives information to and from an external communication module such as a wireless repeater and a GPS module, 200 to the worker who wears the mobile terminal 100, or transmits the information measured by the smart terminal 101 to the relay device.

On the other hand, the controller 112 may recognize external electronic devices located in the periphery using pre-input algorithms, such as smartphones, tablet computers, desktop and notebook computers, wireless access points (APs) an embedded device, and the like.

In addition, a GPS device may be attached to the smart terminal, and when such a GPS device is attached, the controller 112 may detect the location information of the operator and transmit it to the external electronic devices, or may transmit the information to the relay device.

The memory unit 113 may store the measured information or store the retrieval algorithm in the smart terminal. The information stored in the memory unit 113 is stored at predetermined time intervals and can be transmitted to an external electronic device through the wireless communication transceiver 112. [

The information stored in the memory unit 113 may be continuously accumulated up to the capacity when the stored information is not smoothly transmitted and may be sequentially deleted from the oldest data when the memory capacity reaches the limit .

The battery unit 114 supplies power to the smart terminal 101, displays the remaining charge amount, and can guide the charging to be possible before a full discharge occurs. The battery unit may be charged from a photovoltaic generator, which may be installed in the helmet 200, or may be charged through a general charging apparatus.

5 is a flowchart illustrating an operation procedure of the smart terminal of the present invention. First, when the operator turns on the smart terminal 101 and mounts the smart terminal 101 on the safety helmet, the smart terminal initializes the initial values of the measurement sensor 103, the memory 113 and the controller 111, Prepare to measure harmful elements of space.

Then, the controller 111 drives the test program to check whether the sensor 103 is normally operating, confirms whether or not the sensor 103 normally operates, and maintains the standby state. Then, the controller 111 transmits identification information (ID) unique to the central control center through the wireless communication transceiver 112. Also, the smart band 102 checks whether it is synchronized with the smart terminal, whether power is supplied, information transmission / reception status, and alarms are operating properly.

In the next step, the controller 111 can detect the position of the operator wearing the helmet 200 equipped with the smart terminal 101 including the GPS device through the wireless communication transceiver 112.

In the next step, the controller 111 transmits information gathered from the sensor 103 of the smart terminal via the controller 112 via the smart band 102 and / or the repeater.

In the next step, the controller 112 confirms whether there is a response to the data transmission from the external electronic device including the central control device or the smart band, checks whether or not the data transmission normally proceeds, and repeats the above process periodically do.

The smart terminal repeats the above process and continuously checks the safety status of the operator through the function of collecting and transmitting data. The controller 111 continuously checks whether the alarm information is normally transmitted or received by using a smart band or a worker's personal use. If the normal transmission / reception fails, the controller 111 immediately transmits a trouble occurrence signal to the central control device.

In such a case, the central control device can immediately send alarm information to another worker terminal in the closest position and direct another worker to visit the site. This is to ensure that other workers in the nearest location can immediately assist the appropriate operator in the field if the worker in the field fails to receive alarm information despite the data being in an abnormal state, or if the operator is not aware of the dangerous situation to be.

Accordingly, the smart terminal 101 of the present invention measures the risk factors around the worker at regular intervals, stores and transmits the measured data, and the central control device analyzes such data to determine the risk of the site, Is the overall system configuration of the present invention. In addition, it can indirectly compensate the incompleteness of the system by making it possible to utilize the surrounding worker as an assistant without completely relying on the system in case of an error or malfunction of the electronic device.

In addition, when an abnormal state occurs in which the smart terminal can not transmit the data collected on the field to the server, the central control device may transmit a warning to the operator in advance using the smart band or broadcasting equipment installed in the field, System.

And, even if the operator has a hearing impairment or a visual impairment, the SmartBand activates the alert signal by selecting one of color change, alarm, and vibration, or both, so that the operator is safe.

In addition, a system for selectively transmitting the harmful information measured by the smart terminal to a vibrating or verbal signal through a smart earphone mounted on the ear of the operator may be provided, thereby maximizing the convenience of the operator.

In addition, in order to more positively check the safety situation of the operator, if the signal from the smart terminal is not received or the information collected at the harmful site is abnormal, the dron equipped with the camera may be used to monitor the situation of the site. The supplement of the safety management system using the drone is necessary to provide the optimal structure and support in case of an emergency by allowing the worker to observe the situation preemptively in a region that is difficult to approach.

As described above, the present invention basically has a primary goal of securing the safety of the operator by collecting and checking the data on the site of the worker, and when the safety of the operator can not be guaranteed only by the system due to the error of the system, , It is possible to send a warning to an adjacent worker by an auxiliary means so as to support the worker or to check the situation using a drone so as to maximize the safety measures for the worker.

101: smart terminal 102: smart band
103: sensor part 104: battery part
105: attachment device (clip) 110: smart device
111: controller 112: wireless communication transmitting /
113: memory unit 114: battery unit
200: Safety helmet

Claims (12)

A smart terminal equipped with a sensor and a warning device capable of detecting harmful factors and measuring a numerical value, and a smart terminal equipped with a smart terminal or a central control device A smart safety management device comprising a smart band mountable on the body that can directly transmit received information to an operator. The method according to claim 1,
Wherein the sensor mounted on the smart terminal is mounted on a stick capable of adjusting the length so that the operator can measure the harmful element without directly entering the sealed space. The method according to claim 1,
And the information measured by the smart terminal can be transmitted to the portable terminal of the worker. The method according to claim 1,
Wherein the smart terminal is manufactured as a stick lantern type and can be detachably attached to a helmet of a worker.
Smart safety management devices including smart terminals and smart bands;
A relay for receiving information from the smart terminal and transmitting data to a central server;
A central server for receiving information from the repeater; And
A safety management system including a central control device for monitoring the site by analyzing information received from a central server. 6. The method of claim 5,
The alarm device provided in the smart terminal may operate automatically when the measured value of the sensor exceeds a certain range or reaches a previously inputted value or it may cause a warning signal to be sounded directly according to the situation of a work site in the central control device Wherein the control unit is configured to control the operation of the safety management system. 6. The method of claim 5,
The central control device analyzes the harmful factors collected in the field in advance, and when the harmful factors tend to deviate from a certain level even if the harmful factors are not at a dangerous level, the central control device immediately transmits a warning signal to the smart bands of the worker, Management system. 6. The method of claim 5,
Wherein when a malfunction occurs in which the smart terminal can not transmit the data collected on the field to the server, the central control device sends a warning to the operator in advance using a smart band or broadcasting equipment installed in the field. 6. The method of claim 5,
Wherein the alert signal of the smart band is activated by at least one of a color change, an alarm, and a vibration. 6. The method of claim 5,
Wherein the information reception and transmission of the personal terminal is performed by selecting one of Bluetooth, WCDMA, and wifi communication. 6. The method of claim 5,
Wherein the harmful information measured in the smart terminal is transmitted as a vibration or a verbal signal through a smart earphone mounted on the ear of the operator. 6. The method of claim 5,
A safety management system that monitors the situation using a dron equipped with a camera when a signal is not received from the smart terminal or the information collected at the harmful site is abnormal.

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