KR20210061224A - Safety management syster of plant using head counting technology based rfid tag - Google Patents

Abstract

The present invention relates to a factory safety management system using RFID tag-based head counting technology which comprises a work shoe (10), a footrest (120) for factory safety management, and a management server (200). According to the present invention, it is possible to check in and out of entrants and check the identity of the entrants.

Description

Factory safety management system using RFID tag-based head counting technology {SAFETY MANAGEMENT SYSTER OF PLANT USING HEAD COUNTING TECHNOLOGY BASED RFID TAG}

The present invention relates to a factory safety management system using a REID (radio frequency identification) tag-based head counting technology, and more specifically, head counting is possible without any special action of the visitor, and the identity of the person entering and entering and leaving the room can be checked. It relates to a factory safety management system using REID tag-based head counting technology that enables this.

In general, when a large fire occurs in a factory, the fire is extinguished by spraying a large amount of Haron gas that instantly oxidizes oxygen instead of a fire extinguisher. It is imperative that this type of suppression checks whether or not there are people inside the factory.

Conventional head counting techniques include a method of recognizing entry and exit with an infrared sensor or a motion sensor, a method of recognizing entry through an image image of a camera, and a method of recognizing entry through an ID card.

Among them, head counting technology using infrared sensors, motion detection sensors, and video images from cameras enables head counting without a separate user action, facilitates data collection on the direction of travel, and does not have direct contact with the user. It has the advantage of less risk of breakage. However, these methods sometimes cause errors in the counter information, so that 100% confidence cannot be obtained, only head counting is possible, identification of individual users is impossible, and because of the use of multiple sensors or cameras, the consumption of batteries is large and continuous. There is a drawback of requiring power supply.

In addition, the head counting technology using an ID card has the inconvenience of having to hold the ID card to the reader every time the user enters or exits the gate, and since the ID card must always be carried, the ID card is provided to the field workers of the factory. There is a problem that is cumbersome, uncomfortable, and often lost in work.

Accordingly, there is an urgent need for a safety management system capable of grasping entrance and exit naturally without an ID card and without artificial operation of a person entering a factory, and to determine whether or not a person exists inside a factory in real time.

Korean Patent Registration No. 10-1211121 (Registration Date: 2012.12.05.)

In order to solve the above-described problem, the technical problem to be achieved by the present invention is that the head counting is possible without any special actions of the visitor, and factory safety using the REID tag-based head counting technology that enables the identification of the visitor and the identification of the person entering and leaving the room. Its purpose is to present a management system.

In addition, another technical problem to be achieved by the present invention is to present a factory safety management system using a REID tag-based head counting technology that can track the entry and exit of a person in a dangerous area of a factory and identity information in real time. There is this.

In addition, another technical problem to be achieved by the present invention is to provide a factory safety management system using a REID tag-based head counting technology in which an RFID tag is installed on the work shoes of the manager and an RFID reader is installed on the scaffold. There is a purpose.

In addition, another technical problem to be achieved by the present invention is to install an RFID tag on the work shoes of the manager, install an RFID reader on one footstool, install a pressure sensor on two footstool, and step on the footstool. Its purpose is to present a factory safety management system using REID tag-based head counting technology that enables head counting of passing visitors and checks in and out, as well as identification and location information in real time.

In addition, another technical problem to be achieved by the present invention is a REID tag-based head counting technology implemented in a slidable structure that can open and fold two scaffolds so that it can be used in various environments such as stairs, flat ground, or sloped areas. Its purpose is to present the used factory safety management system.

Another object of the present invention is to provide a factory safety management system using a REID tag-based head counting technology that amplifies the antenna of an RFID reader by installing a conductive cloth on a scaffold.

The problem of the present invention is not limited to those mentioned above, and other problems that are not mentioned will be clearly understood by those skilled in the art from the following description.

As a means for solving the above-described technical problem, the factory safety management system according to the present invention comprises: a working shoe 10 attached with an RFID tag 110; It is composed of two footboards 121 and 127 that can be opened and folded using a slider so that it can be used universally on stairs, flat ground, or slope, and transmits and receives information collected from the RFID tag 110 by transmitting and receiving the RFID tag 110 An RFID reader 150 is installed inside one of the two scaffolds 121 and 127, and a pressure sensor 140 is installed on the top of the two scaffolds 121 and 127, and a protective plate 130 is installed thereon. Dragon footrest 120; And head counting the visitor based on the information of the RFID tag 110 received from the RFID reader 150, detecting the identity and location information of the visitor, and entering the visitor according to the signal direction of the pressure sensor 140 Determining leaving, collecting and storing the head counting information, identity and location information, and entering and leaving information of the visitor in real time, displaying the information in real time on an electronic board or monitor, and the RFID tag 110 information is stored in the memory It may be configured to include; a management server 200 that generates an alarm sound and outputs an announcement when it does not match the RFID information stored in the 250 or when the entrance of an external person is detected.

The factory safety management scaffolding 120 includes a rectangular body 122 having slide grooves 123 formed on both sides thereof, an RFID reader 150 installed inside the body 122, and the body 122 A first footrest 121 having a pressure sensor 140 installed on the upper side and a protective plate 130 installed on the pressure sensor 140; A rectangular body 122 having slide grooves 123 formed on both sides thereof, a pressure sensor 140 installed on the upper portion of the body 122, and a protective plate 130 installed on the pressure sensor 140 A second footrest 127 having a first footrest 121; And a slider bar 125 having a moving shaft 126 installed in the slide grooves 123 of the first and second footboards 121 and 127 respectively connected to one side and the other side to move along the slide groove 123. It can be configured.

The factory safety management scaffolding 120 may be configured to amplify the antenna of the RFID reader by installing a conductive cloth on the protective plate 130.

The management server 200 provides the head counting information, identity and location information, and entrance and exit information of the visitor in real time through an IoT safety platform homepage or an internet cafe, and the RFID tag 110 information is stored in a memory. It may be configured to transmit an SMS message to the administrator's mobile phone when it does not match the RFID information stored in 250 or when an external person's access is detected or an emergency situation occurs.

The management server 200 includes a wired/wireless signal receiving unit 220 for receiving signals from the pressure sensor 140 and the RFID reader 150 of the factory safety management scaffolding 120; Based on the RFID tag 110 information received from the RFID reader 150, a head counter unit 231 performing counting, a visitor information reading unit 232 for reading the visitor information, and a visitor information reading unit 232 for reading the location of the visitor. An RFID reading unit 230 having a visitor location reading unit 233; An entry and exit determination unit 240 for determining entry and exit according to the direction of the signal received from the pressure sensor 140; A memory 250 for storing information stored in the RFID tag 110, for storing head counting information, identity and location information, entrance and exit information of the visitor, and storing announcements; A display unit 260 for displaying head counting information, identity and location information, and entrance and exit information of the visitor in real time; A communication unit 270 that provides the head counting information, identity and location information, and entry and exit information of the visitor in real time through an IoT safety platform homepage or an Internet cafe; A speaker 280 for generating an alarm sound and outputting an announcement when the RFID tag 110 information does not match the RFID information stored in the memory 250 or when the outside person enters or exits; And the wired/wireless signal receiving unit 220, the RFID reading unit 230, the entrance/exit determination unit 240, the memory 250, the display unit 260, the communication unit 270, the speaker 280. It may be configured to include; MCU 210 for each controlling the operation of.

According to the present invention, an RFID tag is installed on the work shoes of a user (the supervisor), an RFID reader is installed on one footrest, and a pressure sensor is installed on two footboards, You can check the departure, head counting, and identify the user's identity.

In addition, by simply attaching an RFID tag to the work shoes used in the factory, each time they pass through the scaffold installed at the entrance, the entry and exit of the visitor, identity and location information of the visitor, and head counting information are automatically identified in real time and data information. Can be collected and stored.

In addition, it is possible to effectively cope with an accident situation by enabling head counting through movement direction confirmation and identification through RFID chip without requiring a separate action from the visitor.

In addition, by installing a scaffold at each entrance to a specific space inside the factory, it is possible to count the heads of visitors inside the factory, and to check their identity and location.

In addition, there is an effect that it can be used universally in various environments such as stairs, flat ground, and slopes by using a slider on both feet.

In addition, compared to the existing head counting technology, reliability and identity can be checked, and user information can be stored in an RFID chip attached to the work shoes of the managers, so that the identity of the person entering the factory can be checked in real time.

In addition, by using an RFID tag that is flexible, inexpensive, and has a very light advantage, it is easy to attach to working shoes and there is no inconvenience caused by attaching the tag.

In addition, the present invention can be used in a wider variety of fields according to the safety of the product. For example, it can be delivered to a bus company to ensure that no one is missed at a rest area, or it can be delivered to the military or school, where personnel management is essential, so that the manager can manage the supervisors more easily.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is an overall configuration diagram of a factory safety management system using an RFID tag-based head counting technology according to an embodiment of the present invention
2 and 3 are configuration diagrams showing an example of using the scaffolding 120 for factory safety management
Figure 4 is a configuration diagram of a scaffolding 120 for factory safety management
5 is an example of the main screen of the IoT safety platform application of the factory safety management system according to the present invention
6 is an example of an access status confirmation screen on the main screen of the IoT safety platform of FIG. 5
7 is an example of an access confirmation screen when selecting a visitor confirmation on the main screen of the IoT safety platform of FIG. 5 or when selecting a door on the access status confirmation screen of FIG. 6

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 the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein. In the drawings, parts not related to the description are omitted in order to clearly describe the present invention, and similar parts will be described with like reference numerals throughout the description of the invention.

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

Example of factory safety management system

1 is an overall configuration diagram of a factory safety management system using an RFID tag-based head counting technology according to an embodiment of the present invention, and FIGS. 2 and 3 are configuration diagrams showing an example of use of a scaffold 120 for factory safety management And, Figure 4 is a configuration diagram of the scaffolding 120 for factory safety management.

Factory safety management system 100 according to an embodiment of the present invention, as shown in Figs. 1 to 4, an RFID tag 110, a footrest 120 for factory safety management, a pressure sensor 140, an RFID reader 150 ), the management server 200, the administrator's mobile phone 300, may be configured to include a PC (310).

The RFID tag 110 may be configured by being attached to the working shoes 10 of a factory worker or a visitor (hereinafter, referred to as'non-manager').

The RFID tag 110, also called a transponder, stores a unique ID or data read from a sensor, and transmits the information in various ways when a reader requests it. The etymology of the word transponder is a compound word of a transmitter and a responder. The hardware configuration of the RFID tag 110 is composed of an IC chip and an antenna. Since the RFID tag 110 basically has a sticky antenna structure using induced electromotive force, there is little power consumption.

The RFID chip of the RFID tag 110 stores ID information of a non-administrator who wears the work shoe 10.

The factory safety management scaffolding 120 may be composed of two scaffolds 121 and 127 that can be unfolded and folded using a slider so as to be universally utilized for stairs, flat ground, or slope.

An RFID reader 150 may be installed inside one of the two scaffolds 121 and 127. The RFID reader 150 transmits/receives to the RFID tag 110 attached to the work shoe 10 when a person wearing the work shoe 10 steps on the footboards 121 and 127, and transmits/receives to the RFID tag 110. It serves to transmit the collected information.

It is preferable that the RFID reader 150 is configured not to be affected by an external impact. For example, after installing the RFID reader 150 in a case made of acrylic or lexan, fill the empty space with styrofoam so that the parts are not affected by external shock, and then cover the lid of acrylic or lexan and fasten and fix it with screws. It can be configured.

A pressure sensor 140 may be installed on the two footrests 121 and 127, respectively. The pressure sensor 140 determines the entry and exit of the entry and exit according to the direction of the signal sensed by the pressure sensor 140 when the entry and exit step on the two footrests 121 and 127.

For example, if the pressure sensor 140 of the scaffold 127 is first sensed, and then the pressure sensor 140 of the scaffold 121 is detected, it is determined as the entrance of the visitor, and the opposite is determined as the exit of the visitor. do.

Therefore, since the direction of movement of the visitor can be known through the detection signal of the pressure sensor 140 configured on the two footrests 121 and 127, the head counting of the visitor and the division between entering and leaving are possible, and the work shoes 10 By receiving the RFID tag 110 information attached to the RFID reader 150, it is possible to check the identity of the visitor.

In addition, a protective plate 130 may be installed on the pressure sensor 140 on the two foot plates 121 and 127. The protective plate 130 is installed to protect the pressure sensor 140 and the RFID reader 150 from the impact of the two foot plates 121 and 127 being stepped on with a foot whenever a person passes by.

As the RFID tag 110 approaches the RFID reader 150, the recognition rate of the tag increases, but the destruction rate of the RFID reader 150 and the pressure sensor 140 also increases. Therefore, the protective plate 130 protects the RFID reader 150 and the pressure sensor 140 to prevent destruction of the RFID reader 150 and the pressure sensor 140 according to the proximity of the RFID reader 150. It serves to prevent.

The protective plate 130 may be composed of a plate-shaped structure using leksan or acrylic, which is light and excellent in strength. Here, Lexan is a product name of polycarbonate, which has excellent impact resistance, excellent weather resistance, excellent workability, and excellent light transmittance.

Therefore, the protection plate 130 prevents direct contact with the person's work shoes 10 when the person stepping on the factory safety management scaffolding 120, so that the pressure sensor 140 and the RFID reader 150 It can be protected from external impact and foreign matter.

Subsequently, the factory safety management scaffolding 120 may be composed of two scaffolds 121 and 127 that can be unfolded and folded using a slider so that they can be universally utilized in various environments such as stairs, flat ground, or slope (FIG. 2 and See Fig. 3).

The factory safety management scaffolding 120 includes first and second scaffolds 121 and 127 and a slider bar 125 as shown in FIGS. 2 and 3.

The first footrest 121 includes a rectangular body 122 having slide grooves 123 formed on both sides thereof, an RFID reader 150 installed inside the body 122, and an upper portion of the body 122. It includes a pressure sensor 140 installed, and a protective plate 130 installed on the pressure sensor 140.

The second footrest 127 includes a rectangular body 122 having slide grooves 123 formed on both sides thereof, a pressure sensor 140 installed above the body 122, and an upper portion of the pressure sensor 140 It includes a first scaffolding 121 having a protective plate 130 installed in the.

The slider bar 125 is configured such that movement shafts 126 installed in the slide grooves 123 of the first and second footboards 121 and 127 are connected to one side and the other side to be movable along the slide groove 123 Has been.

The difference between the first footrest 121 and the second footrest 127 is that the RFID reader 150 is installed therein.

Since the two footrests 121 and 127 are connected to the slider bar 125 for the factory safety management, the angle can be changed freely, and the distance between the two footboards 121 and 127 can also be flexibly adjusted.

Meanwhile, the factory safety management scaffolding 120 may be configured to amplify the antenna of the RFID reader 150 by installing a conductive cloth (not shown) on the protective plate 130.

The scaffolding 120 for factory safety management is installed at each entrance to a specific space inside the factory, so that the real-time location and identity of the visitors can be checked.

The factory safety management scaffolding 120 is composed of two scaffolds 121 and 127, and an RFID reader 150 is configured on one scaffold to receive information about the RFID tag 110 attached to the work shoe 10 of the visitor. The identity of the person passing through the scaffolding can be verified. In addition, by installing the pressure sensor 140 on both the footboards 121 and 127, it is possible to determine whether a person entering or exiting a specific space, thereby enabling reliable head counting.

Continuing with reference to FIG. 1, the management server 200 counts the head of the visitor based on the information of the RFID tag 110 received from the RFID reader 150 and detects the identity and location information of the visitor. And, according to the direction of the signal of the pressure sensor 140, determine the entry and exit of the visitor, collect and store the head counting information, identity and location information, and entry and exit information of the visitor in real time, and store the information on an electric sign or monitor. The information is displayed in real time, and when the information of the RFID tag 110 does not match the RFID information stored in the memory 250 or an external person's access is detected, an alarm sound is generated and an announcement is output.

In addition, the management server 200 provides the head counting information, identity and location information, and entry and exit information of the visitor in real time through an IoT safety platform homepage or an internet cafe. In addition, when the RFID tag 110 information does not match the RFID information stored in the memory 250, an external person's access is detected, or an emergency situation occurs, an SMS message is transmitted to the manager's mobile phone.

As shown in FIG. 1, the management server 200 includes a micro controller unit (MCU) 210, a wired/wireless receiver 220, an RFID reading unit 230, an entry/exit determination unit 240, and a memory 250. , A display unit 260, a communication unit 270, and may be configured to include a speaker 280.

First, the MCU 210 includes the wired/wireless signal receiving unit 220, the RFID reading unit 230, the entry/exit determination unit 240, the memory 250, the display unit 260, and the communication unit 270. ), functions to control the operation of the speaker 280, respectively.

The wired/wireless signal receiving unit 220 functions to receive signals from the pressure sensor 140 and the RFID reader 150 of the scaffold 120 for factory safety management.

The RFID reading unit 230 includes a head counter unit 231 that performs counting based on the information of the RFID tag 110 received from the RFID reader 150, and a visitor information reading unit 232 that reads the visitor information. ), and a visitor position reading unit 233 for reading a visitor position.

The entry and exit determination unit 240 functions to determine entry and exit according to the direction of a signal received from the pressure sensor 140.

The memory 250 stores information stored in the RFID tag 110, stores head counting information, identity and location information, entrance and exit information of the visitor, and stores announcements.

The display unit 260 may be composed of an electric sign or a monitor, and functions to display the head counting information, identity and location information, and entrance and exit information of the visitor in real time.

The communication unit 270 provides the head counting information, identity and location information, and entrance and exit information of the visitor in real time through an IoT safety platform homepage or an internet cafe. In this case, the communication unit 270 includes both an Internet network and a mobile communication network.

The speaker 280 functions to generate an alarm sound and output an announcement when the RFID tag 110 information does not match with the RFID information stored in the memory 250 or when the outside person's access is detected.

The manager's mobile phone 300 sends an SMS message from the management server 200 when the RFID tag 110 information does not match the RFID information stored in the memory 250 or when an external person's access is detected or an emergency situation occurs. Receive.

The mobile phone 300 of the administrator includes a smartphone, and after accessing the system through login authentication, the headcounting information, identity and location information, and entrance and exit information of the visitor are stored on the IoT safety platform homepage or internet cafe. You can check it in real time through (cafe).

The PC 310 includes both the administrator's or the user's PC, and after accessing the system through login authentication, the headcounting information, identity and location information, and entrance and exit information of the visitor are stored on the IoT safety platform homepage or the Internet. You can check it in real time through a cafe.

Factory safety management system 100 of the present invention, once the RFID tag 110 is attached to the work shoes 10 of the non-administrator, each time it passes through the factory safety management scaffold 120, the head of the visitor is naturally Counting is performed and the identity of the visitor can be verified.

In order to improve the most important reliability problem, the factory safety management system 100 of the present invention uses feedback between sensors to store information on the RFID tag 110 of the work shoe 10 and the memory 250 of the management server 200. When the stored RFID information does not match or when an outside person's entrance is detected, an alarm sound is generated through the speaker 280 and an announcement is output.

IoT safety platform application screen

5 is an example of the main screen of the IoT safety platform application of the factory safety management system according to the present invention, FIG. 6 is an example of an access status confirmation screen on the main screen of the IoT safety platform of FIG. 5, and FIG. 7 is an IoT safety platform of FIG. This is an example of an access confirmation screen when selecting a visitor confirmation on the main screen or when selecting a door on the access status confirmation screen of FIG. 6.

The IoT safety platform (application) of the factory safety management system according to the present invention provides a main screen of the IoT safety platform when accessing the system through login authentication, as shown in FIGS. 5 to 7, and the menu of the main screen Through this, head counting information, identity and location information, and entrance and exit information of the visitor are provided in real time. The IoT safety platform (application) may be provided in real time through an Internet homepage or an Internet cafe of the IoT safety platform.

For example, if you select the accessor confirmation or access history confirmation menu on the main screen of the IoT safety platform, information such as access status, access time, name, affiliation, ID, contact information (mobile phone number), and email can be checked. It can be configured to be able to.

As described above, in the factory safety management system utilizing the RFID tag-based head counting technology according to the present invention, an RFID tag is installed on the work shoes of the manager, an RFID reader is installed on one scaffold, and two By installing a pressure sensor on the scaffold, head counting a person passing by while stepping on the scaffold, and grasping the entrance and exit, and the identity information of the visitor, it is possible to solve the technical problem of the present invention.

The preferred embodiments of the present invention described above are disclosed in order to solve the technical problem, and if a person having ordinary knowledge in the technical field to which the present invention belongs (a person skilled in the art), various modifications, changes, additions, etc., within the spirit and scope of the present invention. This will be possible, and such modifications and changes should be viewed as falling within the scope of the following claims.

10: work shoes or shoes
100: Factory safety management system using RFID tag-based head counting technology
110: RFID tag 120: scaffolding for factory safety management
121: first footrest 122: body
123: slide groove 124: stopper
125: slider bar 126: moving axis
127: second scaffold 130: protective plate
140: pressure sensor 150: RFID reader
200: management server
210: MCU (micro controller unit)
220: wired/wireless receiver 230: RFID reader
231: head counter unit 232: visitor information reading unit
233: accessor location reading unit 240: entry and exit determination unit
250: memory
260: display (electronic sign and/or monitor)
270: communication unit 280: speaker
300: mobile phone 310: PC

Claims (5)

Work shoes 10 attached with an RFID tag 110;
It is composed of two footboards 121 and 127 that can be opened and folded using a slider so that it can be used universally on stairs, flat ground, or slope, and transmits and receives information collected from the RFID tag 110 by transmitting and receiving the RFID tag 110 An RFID reader 150 is installed inside one of the two scaffolds 121 and 127, and a pressure sensor 140 is installed on the top of the two scaffolds 121 and 127, and a protective plate 130 is installed thereon. Dragon footrest 120; And
Head-counting the visitor based on the information of the RFID tag 110 received from the RFID reader 150, detecting the identity and location information of the visitor, and entering and exiting the visitor according to the signal direction of the pressure sensor 140 Is determined, the head counting information, identity and location information, and entrance and exit information of the visitor are collected and stored in real time, and the information is displayed on an electronic board or monitor in real time, and the RFID tag 110 information is stored in the memory ( A management server 200 that generates an alarm sound and outputs an announcement when it does not match the RFID information stored in 250 or when an outside person's access is detected;
Factory safety management system comprising a.
The method of claim 1,
The factory safety management scaffolding 120,
A rectangular body 122 in which slide grooves 123 are formed on both sides, an RFID reader 150 installed inside the body 122, a pressure sensor 140 installed on an upper portion of the body 122, and the A first footrest 121 having a protective plate 130 installed on the pressure sensor 140;
A rectangular body 122 having slide grooves 123 formed on both sides thereof, a pressure sensor 140 installed on the upper portion of the body 122, and a protective plate 130 installed on the pressure sensor 140 A second footrest 127 having a first footrest 121; And
A detachable slider bar 125 in which the moving shafts 126 installed in the slide grooves 123 of the first and second footboards 121 and 127 are connected to one side and the other side to move along the slide groove 123;
Factory safety management system comprising a.
The method of claim 1,
The factory safety management scaffolding 120,
Factory safety management system including a sensor for amplifying the antenna of the RFID reader by installing a conductive cloth on the protective plate 130.
The method of claim 1,
The management server 200,
Provides the head counting information, identity and location information, and entry and exit information of the visitor in real time through the IoT safety platform system or terminal,
Factory safety management system that transmits an SMS message to the manager's mobile phone when the RFID tag 110 information does not match the RFID information stored in the memory 250 or when an external person's access is detected or an emergency situation occurs.
The method of claim 1,
The management server 200,
A wired/wireless signal receiving unit 220 for receiving signals from the pressure sensor 140 and the RFID reader 150 of the factory safety management scaffolding 120;
Based on the information of the RFID tag 110 received from the RFID reader 150, a head counter unit 231 performing counting, a visitor information reading unit 232 that reads the visitor information, and a visitor's location An RFID reading unit 230 having a visitor location reading unit 233;
An entry and exit determination unit 240 for determining entry and exit according to the direction of the signal received from the pressure sensor 140;
A memory 250 for storing information stored in the RFID tag 110, for storing head counting information, identity and location information, entrance and exit information of the visitor, and storing announcements;
A display unit 260 for displaying head counting information, identity and location information, and entrance and exit information of the visitor in real time;
A communication unit 270 that provides the head counting information, identity and location information, and entrance and exit information of the visitor in real time through an IoT safety platform system or a terminal;
A speaker 280 for generating an alarm sound and outputting an announcement when the RFID tag 110 information does not match the RFID information stored in the memory 250 or when the outside person enters or exits; And
Of the wired/wireless signal receiving unit 220, the RFID reading unit 230, the entrance/exit determination unit 240, the memory 250, the display unit 260, the communication unit 270, and the speaker 280 MCUs 210 each controlling the operation;
Factory safety management system comprising a.

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