JP2018025984A - Approaching person monitoring system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an approaching person monitoring system notifying a worker of intrusion/proximity of a passer-by to a dangerous site not directly detectable in a work site where a worker and a dangerous site are separated from each other, and thereby, preventing an accident involved with the passer-by at the work site beforehand.SOLUTION: An approaching person monitoring system includes: a slave machine 240 installed at a site where a general passer-by comes and goes in the vicinity of the work site; and a master machine 270 carried by the worker who performs the work at a position unable to perceive the general passer-by in the work site. The slave machine includes: means 110 for detecting the intrusion of the general passer-by into the predetermined range in the vicinity of the work site; and means 120 for notifying to the effect that the intrusion of the general passer-by into the predetermined range is detected. The master machine includes storage means 140 for storing slave machine identification information and a predetermined action for informing the approach of the general passer-by to the work site vicinity in association with each other; and means 150 for performing the predetermined action associated with the salve machine identification information included in the received notification.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a technique for preventing the occurrence of an accident that harms a general passerby at a work site.

  At work sites such as telephone communications work, color cones (registered trademark) representing the work area and security guards will be placed and alerts will be given to general passers-by to prevent accidents involving general passers-by. It is common. In addition, although the guard arranged at the work site alerts the general passerby by gesturing or verbally, there is no notification that the general passerby passes through the vicinity of the work site.

JP, 2006-053992, A

  However, in the past, an environment where a worker who works away from a place where general passers-by travels can work while directly grasping the approach of general passers-by to dangerous places at the work site. There is a problem that is not built.

  Therefore, in the present invention, in view of the above problems, in the work site where the worker and the dangerous place are separated from each other, the worker is informed of the intrusion / proximity of the passerby to the dangerous place that cannot be directly detected. It is an object of the present invention to provide an approach monitoring system that prevents accidents involving passersby in advance.

  One form of the approaching person monitoring system to be disclosed is that one or more slave units installed in a place where a general passerby near the work site and a position where the general passerby cannot be seen at the work site are operated. An approaching person monitoring system having a master unit possessed by a worker who performs the passerby detection, wherein one slave unit detects an intrusion of the general passerby within a predetermined range near the work site Means and the passer-by detection means detect that the general passer-by intrusion into the predetermined range is detected together with the slave unit identification information for identifying the one slave unit with respect to the master unit. Intrusion notification means for notifying, wherein the master unit associates the slave unit identification information with a predetermined operation for notifying the worker of the approach of the general passerby near the work site. Base unit operation storage means to store When receiving a notification by intrusion notification means, and having a a master unit operation means for performing a predetermined operation associated with the handset identification information included in the notification.

  The disclosed approach monitoring system informs workers of the intrusion / proximity of passers-by to dangerous places that cannot be directly detected at the work site where the worker and the dangerous place are separated from each other. To prevent accidents involving.

It is a figure which shows the outline | summary of the approaching person monitoring system which concerns on this Embodiment. It is a functional block diagram of the approaching person monitoring system concerning this embodiment. It is a figure which shows an example of the table which prescribes | regulates operation | movement of the subunit | mobile_unit which concerns on this Embodiment. It is a figure which shows an example of the main | base station operation | movement memory | storage means based on this Embodiment. It is a figure which shows the hardware structural example of the subunit | mobile_unit which concerns on this Embodiment. It is a figure which shows the hardware structural example of the main | base station which concerns on this Embodiment. It is a flowchart which shows the flow of an example of the approaching person detection process by the approaching person monitoring system which concerns on this Embodiment.

DESCRIPTION OF EMBODIMENTS Embodiments for carrying out the present invention will be described with reference to the drawings.
(Operation principle of approaching person monitoring system according to the present embodiment)

  The operation principle of the approaching person monitoring system (hereinafter simply referred to as “monitoring system”) 100 according to the present embodiment will be described with reference to FIGS. FIG. 1 is a diagram showing an overview of the monitoring system 100, and FIG. 2 is a functional block diagram of the monitoring system 100.

  As shown in FIG. 1, the monitoring system 100 includes one or more slave units 240 and one or more master units 270. Note that FIG. 1 illustrates a case where there is one master unit. The subunit | mobile_unit 240 is installed in the place where the general passerby 230 goes near the work site 210. FIG. The parent machine 270 is possessed by a worker 220 who performs work at a position where the traffic of the general passer-by 230 cannot be seen at the work site 210. Here, the work site 210 is a place where a telephone communication work is performed. For example, the worker 220 climbs up a utility pole and works, and the general passer-by 230 goes back and forth between the workers 220. The worker 220 cannot directly detect the traffic of the general passer-by 230.

  In monitoring system 100, slave unit 240 monitors the intrusion (approach) of passerby 230 into a predetermined area (monitoring area) near work site 210, and detects that passerby 230 has entered the monitoring area. , This is notified to the base unit 270. Receiving the notification from the slave unit 240, the master unit 270 notifies the owner 220 that the passer-by 230 has entered the monitoring area. By doing so, the worker 220 can directly sense the intrusion of the passer-by 230 near the work site 210 and can perform the work after knowing the fact. Therefore, the monitoring system 100 can provide such an environment, and can prevent the occurrence of an accident involving the passerby 230 at the work site 210.

  As shown in FIG. 2, the monitoring system 100 includes a slave unit 240 and a master unit 270. In FIG. 2, both the slave unit 240 and the master unit 270 are shown for convenience. The subunit | mobile_unit 240 is installed in the place where the passer-by 230 goes near the work site 210, for example, is suspended by the color cone (trademark) etc. which make the presence of the work site 210 known. Base unit 270 is carried by worker 220 who performs work at a position where traffic 230 cannot be seen at work site 210.

  The slave unit 240 includes a passer-by detection unit 110, an intrusion notification unit 120, and a slave unit operation unit 130. Base unit 270 includes base unit operation storage unit 140 and base unit operation unit 150.

  The passer-by detection unit 110 detects that a general passer-by 230 has entered a predetermined range (monitoring area) near the work site 210 using infrared rays, ultrasonic waves, visible light, or the like. The detection method is performed by a general technique. The passer-by detection unit 110 may be configured to divide the monitoring area into a plurality of areas and detect that the general passer-by 230 has entered from a specific direction.

  When the passer-by detection means 110 detects the intrusion of the passer-by 230 into the monitoring area, the intrusion notification means 120 enters the monitoring area together with the slave unit identification information 250 for identifying the slave unit 240 to the master unit 270. Notify that the intrusion of the passer-by 230 has been detected. The slave unit identification information 250 may include work site identification information for identifying the work site 210. By doing so, it is possible to uniquely identify the slave unit 240 that performs the notification.

  When the passer-by detection means 110 detects the intrusion of the passer-by 230 into the monitoring area, the slave unit operating unit 130 uses an output device such as a speaker display provided in the slave unit 240 to the passer-by 230. Predetermined warning information 260 is notified.

  As shown in FIG. 3, when the passer-by detection means 110 detects the intrusion of the passer-by 230 into the monitoring area, the handset operating means 130 notifies the speaker that “please be careful because it is dangerous”. . In addition, when the passer-by detection means 110 detects the intrusion direction of the passer-by 230 (intrusion from the west), the slave unit operation means 130 responds accordingly from the speaker, “Working in the northeast direction. Please pass along. "

  The base unit operation storage means 140 stores the base unit identification information 250 and a predetermined operation 280 for notifying the worker 220 of the approach of the passerby 230 near the work site 210 in association with each other. Here, the predetermined operation 280 is an operation of notifying the worker 220 of the approach of the passer-by 230 using an output device such as a speaker display provided in the parent device 270. The predetermined operation 280 may be an operation for notifying the worker 220 that the passer-by 230 is approaching the work site 210 from the direction in which the child device 240 is installed.

  As shown in FIG. 4, the parent machine operation storage unit 140 includes, for example, the child machine identification information 250: “10001” and a predetermined operation 280: “The passerby 230 is approaching the area 1 to the worker 220. And “sound to sound using a speaker” is stored in association with each other. Further, the base unit operation storage means 140, for example, sets the vibration device to the worker 220 that the handset identification information 250: “10002” and the predetermined operation 280: “the passer 230 is approaching the area 2”. “It is vibrated and a message is output and notified using the display device”.

  In addition, as shown in FIG. 4, when there is a notification of the intrusion direction (intrusion from the west) of the passerby 230 from the slave unit 240, the master unit operation storage unit 140, for example, the slave unit identification information 250: “10001” and a predetermined action 280: “speech notification to the worker 220 using a speaker that the passer-by 230 is approaching the area 1 from the west side” are stored in association with each other.

  The base unit operation storage unit 140 is an area where the combination of the slave unit identification information 250 notified by the intrusion notification unit 110 and the monitoring area of the slave unit 240 identified by each of the slave unit identification information 250 constituting the combination overlap. It is also possible to associate and store an operation for notifying that a passerby has entered.

  As shown in FIG. 4, the parent device operation storage means 140 is, for example, a combination of child device identification information 250: “10001” “10002” and a predetermined operation 280: “A passer-by 230 from the south side is approaching ”Is notified to the worker 220 using a speaker” and stored.

  When receiving notification from intrusion notifying means 120, base unit operation means 150 specifies and specifies a predetermined operation 280 stored in base unit operation storage means 140 in association with handset identification information 250 included in the notification. The predetermined operation 280 is executed.

  When the notification by the intrusion notification unit 120 includes the intrusion direction of the passer-by 230, the base unit operation unit 150 stores the slave unit identification information 250 included in the notification in the base unit operation storage unit 140 and the intrusion direction of the passer-by 230 ( The predetermined operation 280 stored in association with the additional information) is specified, and the specified predetermined operation 280 is executed.

  The base unit operation means 150 specifies a predetermined operation 280 stored in the base unit operation storage unit 140 in association with the combination of the slave unit identification information 250 included in the notification, and executes the specified predetermined operation 280.

  As shown in FIG. 4, when the notification by the intrusion notification unit 120 includes the slave unit identification information 250: “10001”, the base unit operation unit 150 operates 280: “The passerby 230 is approaching the area 1”. “Speech the voice to the worker 220 using a speaker” is extracted, and the extracted operation 280 is executed. When the notification by the intrusion notifying unit 120 includes the slave unit identification information 250: “10002”, the base unit operation unit 150 performs the operation 280: “To the worker 220 that the passer-by 230 is approaching the area 2, The vibration device is vibrated and a message is output and notified using the display device ”is extracted, and the extracted operation 280 is executed.

  As shown in FIG. 4, when the notification includes the slave unit identification information 250: “10001” and the intrusion direction: “having entered from the west”, the parent device operation means 150 operates 280: “From the west to the area 1” “Speech notification to the worker 220 using a speaker that the passer-by 230 is approaching” is extracted, and the extracted operation 280 is executed.

  As shown in FIG. 4, when the notification includes the slave unit identification information 250: “10001” and “10002”, the base unit operation means 150 operates 280: “The passer 230 is approaching from the south side. “Speak voice to worker 220 using a speaker” is extracted, and the extracted operation 280 is executed.

  Through the above-described processing, the monitoring system 100 can cause the worker 220 to directly detect the intrusion of the passer-by 230 near the work site 210 and perform the work after knowing the fact. Therefore, the monitoring system 100 can prevent the occurrence of an accident involving the passerby 230 at the work site 210 by providing such an environment.

Further, the monitoring system 100 has different characteristics by appropriately changing / adjusting the number of slave units 240 to be installed, the arrangement of the slave units 240, and the information stored in the master unit operation storage unit 140 according to the characteristics of the work site 210. Even at the work site 210, it is possible to contribute to preventing the occurrence of an accident involving the passerby 230.
(Hardware configuration of approaching person monitoring system according to the present embodiment)
(1) Example of Hardware Configuration of Slave Unit 240 An example of the hardware configuration of the slave unit 240 according to the present embodiment will be described with reference to FIG. FIG. 5 is a diagram illustrating an example of a hardware configuration of the slave unit 240.

  As shown in FIG. 5, the slave unit 240 includes a CPU (Central Processing Unit) 310, a ROM (Read-Only Memory) 320, a RAM (Random Access Memory) 330, an auxiliary storage device 340, a communication I / F 350, a sensor 360, An input / output device 370 and a recording medium I / F 380 are included.

  The CPU 310 is a device that executes a program stored in the ROM 320. The CPU 310 performs arithmetic processing on the data expanded (loaded) in the RAM 330 in accordance with the instructions of the program and controls the entire slave unit 240. The ROM 320 stores programs and data executed by the CPU 310. When the program stored in the ROM 320 is executed by the CPU 310, the RAM 330 is loaded (loaded) with the program and data to be executed, and temporarily holds the operation data during the operation.

  The auxiliary storage device 340 is a device that stores an OS (Operating System) that is basic software, an application program according to the present embodiment, and the like together with related data. The auxiliary storage device 340 is, for example, an HDD (Hard Disc Drive) or a flash memory.

  The communication I / F 350 is an interface that is connected to a communication network such as a wired / wireless local area network (LAN) or the Internet and exchanges data with other devices that provide a communication function. Further, the communication I / F 350 can be regarded as a wireless communication unit for providing a wireless communication function.

  The sensor 360 is a sensor that detects an intruder into a predetermined area centered on the slave unit 240, and the principle of detecting the intruder is not particularly limited, such as using infrared rays.

The input / output device 370 includes an input device and an output device. The input device is a device for inputting data to the child device 240 such as a function setting key, and the output device is composed of an LCD (Liquid Crystal Display) or the like, and when the user uses the functions of the child device 240, It includes a display device and a speaker device that function as a user interface when performing various settings.
The recording medium I / F 380 is an interface for transmitting / receiving data to / from a recording medium 390 such as a CD-ROM, DVD-ROM, or USB memory.

Each unit included in the slave unit 240 may be realized by the CPU 310 executing a program corresponding to each unit stored in the ROM 320 or the auxiliary storage device 340. In addition, each unit included in the slave unit 240 may be configured such that processing related to each unit is realized as hardware. Alternatively, the computer program according to the present invention may be read from the recording medium 390 via the recording medium I / F 380 and the slave unit 240 may execute the computer program.
(2) Hardware Configuration Example of Base Unit 270 A hardware configuration example of the base unit 270 according to the present embodiment will be described with reference to FIG. FIG. 6 is a diagram illustrating an example of a hardware configuration of base unit 270.

  As illustrated in FIG. 6, the parent device 270 includes a CPU 410, a ROM 420, a RAM 430, an auxiliary storage device 440, a communication I / F 450, an input device 460, an output device 470, and a recording medium I / F 480.

  The CPU 410 is a device that executes a program stored in the ROM 420. The CPU 410 performs arithmetic processing on the data expanded (loaded) in the RAM 430 in accordance with the instructions of the program, and controls the entire parent device 270. The ROM 420 stores programs and data executed by the CPU 410. When the CPU 410 executes a program stored in the ROM 420, the RAM 430 is loaded (loaded) with the program and data to be executed, and temporarily holds the operation data during the operation.

  The auxiliary storage device 440 is a device that stores an OS, which is basic software, an application program according to the present embodiment, and the like together with related data. The auxiliary storage device 440 includes a parent device operation storage unit 140, and is, for example, an HDD or a flash memory.

  The communication I / F 450 is an interface that is connected to a communication network such as a wired / wireless LAN or the Internet and exchanges data with other devices that provide a communication function. Communication I / F 450 can also be regarded as a wireless communication unit for providing a wireless communication function.

The input device 460 is a device for inputting data to the parent device 270 such as a touch panel and function setting keys. The output device 470 is configured by an LCD or the like, and a display device that functions as a user interface when the user uses the functions of the parent device 270 or when performing various settings, a speaker device that outputs sound, and a vibration to the user. Including a vibration device for transmitting the information.
The recording medium I / F 480 is an interface for transmitting / receiving data to / from a recording medium 390 such as a CD-ROM, DVD-ROM, or USB memory.

Each unit included in the parent device 270 may be realized by the CPU 410 executing a program corresponding to each unit stored in the ROM 420 or the auxiliary storage device 440. In addition, each unit included in base unit 270 may be configured such that processing related to each unit is realized as hardware. Alternatively, the computer program according to the present invention may be read from the recording medium 390 via the recording medium I / F 480 and the parent device 270 may execute the computer program.
(Processing example by approaching person monitoring system according to this embodiment)

  The approaching person detection process by the monitoring system 100 will be described with reference to FIG. FIG. 7 is a flowchart illustrating an exemplary flow of an approaching person detection process performed by the monitoring system 100.

  In S10, the passer-by detection unit 110 monitors the intrusion of the general passer-by 230 into the monitoring area near the work site 210 using infrared rays, ultrasonic waves, visible light, or the like. A method for detecting the intrusion of a passerby is performed by a general technique. The passer-by detection unit 110 may be configured to divide the monitoring area into a plurality of areas and detect that the general passer-by 230 has entered from a specific direction.

  In S20, when the passer-by detection means 110 detects the intrusion of the passer-by 230 (in the case of Yes), the process proceeds to S30. In S20, when the passer-by detection means 110 does not detect the intrusion of the passer-by 230 (in the case of No), the process proceeds to S10.

  In S30, the intrusion notifying unit 120 notifies the parent device 270 that the intruder of the passer-by 230 into the monitoring area is detected together with the child device identification information 250 of the child device 240 that has detected the passer-by 230. The slave unit identification information 250 may include work site identification information for identifying the work site 210. By doing so, it is possible to uniquely identify the slave unit 240 that performs the notification.

  In S <b> 40, the slave unit operating unit 130 notifies the passer-by 230 of predetermined warning information 260 using an output device such as a speaker display provided in the slave unit 240 that has detected the passer-by 230. As shown in FIG. 3, the slave unit operating means 130 notifies the speaker that “please be careful because it is dangerous”. In addition, when the passer-by detection means 110 detects the intrusion direction of the passer-by 230 (intrusion from the west), the slave unit operation means 130 responds accordingly from the speaker, “Working in the northeast direction. Please pass along. "

  In S50, base unit operation means 150 receives a notification including slave unit identification information 250 transmitted in S30. The base unit operating means 150 may receive the intrusion direction of the passer-by 230 together. Further, the parent device operating means 150 may be configured to receive a plurality of child device identification information 250.

  In S60, the base unit operation unit 150 refers to the base unit operation storage unit 140, and specifies a predetermined operation 280 stored in association with the slave unit identification information 250 received in S50.

  As shown in FIG. 4, when the notification includes the slave unit identification information 250: “10001”, the master unit operation unit 150 performs the operation 280: “The worker 220 indicates that the passer-by 230 is approaching the area 1”. To “speech alert using speaker”. When the notification includes the slave unit identification information 250: “10002”, the master unit operation means 150 operates 280: “The operator 220 informs the worker 220 that the passer-by 230 is approaching the area 2”. “Vibrate and output a message using a display device to notify” is extracted.

  The base unit operation means 150 may be configured to identify the predetermined operation 280 stored in association with the slave unit identification information 250 received in S50 and the intrusion direction of the passer-by 230.

As shown in FIG. 4, when the notification includes the slave unit identification information 250: “10001” and the intrusion direction: “having entered from the west”, the parent device operation means 150 operates 280: “From the west to the area 1” “Speaking to the worker 220 using a speaker that the passer-by 230 is approaching” is extracted.
Further, the parent device operating means 150 may be configured to specify a predetermined operation 280 stored in association with the combination of the child device identification information 250 received in S50.

As shown in FIG. 4, when the notification includes the slave unit identification information 250: “10001” and “10002”, the base unit operation means 150 operates 280: “The passer 230 is approaching from the south side. “Speak voice to worker 220 using speaker” is extracted.
In S70, base unit operation means 150 executes predetermined operation 280 specified (extracted) in S60.

  When the base unit operation means 150 extracts the operation 280 in S60: “Speak to the worker 220 that the passer-by 230 is approaching the area 1 using a speaker”, the operation 280 is executed. To do. In S60, the main unit operation means 150 operates 280: “The operator 220 vibrates the vibration device and informs the operator 220 that the passer-by 230 is approaching the area 2 by outputting a message using the display device. When “Yes” is extracted, the extracted operation 280 is executed.

  When the master unit operation means 150 extracts the operation 280 in S60: “Speak to the worker 220 using a speaker that the passer-by 230 is approaching the area 1 from the west side”, the extracted operation 280 is extracted. Execute.

  When the master unit operation means 150 extracts the operation 280: “Speak to the worker 220 using a speaker that the passer-by 230 is approaching from the south side” in S60, the master unit operation means 150 executes the extracted operation 280. .

  By the above processing, the monitoring system 100 can make the worker 220 directly sense the approach of the passer-by 230 near the work site 210 and perform the work after knowing the fact. Therefore, the monitoring system 100 can prevent the occurrence of an accident involving the passerby 230 at the work site 210 by providing such an environment.

  In addition, the monitoring system 100 appropriately changes and adjusts the number of slave units 240 to be installed, the location of the slave units 240, and the information stored in the master unit operation storage unit 140 according to the characteristics of the work site 210, thereby performing various tasks According to the site 210, it can contribute to the prevention of the accident involving the passerby 230.

  Although the embodiment of the present invention has been described in detail above, the present invention is not limited to the specific embodiment, and various modifications are possible within the scope of the gist of the present invention described in the claims.・ Change is possible.

DESCRIPTION OF SYMBOLS 100 Approaching person monitoring system 110 Passer detection means 120 Intrusion notification means 130 Child machine operation means 140 Parent machine operation storage means 150 Parent machine operation means 210 Work site 220 Worker 230 General passer 240 Child machine 250 Child machine identification information 260 Child Predetermined operation (slave device notification operation)
270 Base unit 280 Predetermined operation by base unit (base unit notification operation)
310, 410 CPU
320, 420 ROM
330, 430 RAM
340, 440 Auxiliary storage device 350, 450 Communication interface 360 Sensor 370 Input / output device 380, 490 Storage medium interface 460 Input device 470 Output device 400 Storage medium 500 Communication network

One form of the approaching person monitoring system to be disclosed is that two or more slave units installed in a place where a general passerby is in the vicinity of the work site and a position where the general passerby cannot be seen at the work site. An approaching person monitoring system having a master unit possessed by a worker who performs the passerby detection, wherein one slave unit detects an intrusion of the general passerby within a predetermined range near the work site Means and the passer-by detection means detect that the general passer-by intrusion into the predetermined range is detected together with the slave unit identification information for identifying the one slave unit with respect to the master unit. Intrusion notification means for notifying, wherein the master unit associates the slave unit identification information with a predetermined operation for notifying the worker of the approach of the general passerby near the work site. Base unit operation storage means to store When receiving a notification by intrusion notification means, and the parent machine operation means for performing a predetermined operation associated with the handset identification information included in the notification, the possess, in the master unit operation storage means, said penetration notification The general passerby in a region where the combination of the slave unit identification information notified by the unit and the detection range by the passerby detection unit included in the slave unit identified by the slave unit identification information constituting the combination overlap An operation for notifying that the intruder has entered, and storing the associated information, and the parent device operation means performs the predetermined operation associated with the combination of the child device identification information included in the notification by the intrusion notification device. Features.

Claims (10)

One or more slave units installed in a place where general passersby come and go in the vicinity of the work site, and a master unit possessed by a worker who performs work in a position where the general passersby cannot be seen in the work site, An approaching person monitoring system comprising:
One of the slave units is
A passer-by detection means for detecting an intrusion of the general passer-by within a predetermined range near the work site;
Intrusion for notifying the master unit that the intrusion of the general passer-by within the predetermined range is detected together with slave unit identification information for identifying the one slave unit when the passerby detection means detects And a notification means,
The master unit is
A master unit operation storage means for storing the slave unit identification information and a predetermined operation for informing the worker of the approach of the general passerby near the work site;
When the notification by the said intrusion notification means is received, it has a main | base station operation | movement means which performs the said predetermined | prescribed operation | movement linked | related with the said subunit | mobile_unit identification information contained in this notification, The approach monitoring system characterized by the above-mentioned.   2. The approach according to claim 1, wherein the predetermined operation is an operation of notifying the worker of the approach of the general passerby using an output device such as a speaker display provided in the master unit. Monitoring system.   The predetermined operation is an operation for notifying the worker that the general passerby is approaching the work site from a direction in which the one handset is installed. The approaching person monitoring system according to 1 or 2. The slave is
When the passerby detection means detects, it has a handset operating means for notifying the general passerby of predetermined warning information using an output device such as a speaker display provided in the handset. The approaching person monitoring system according to any one of claims 1 to 3. In the base unit operation storage unit, the combination of the slave unit identification information notified by the intrusion notification unit, and the passerby detection unit included in the slave unit identified by the slave unit identification information constituting the combination Storing in association with the operation of notifying that the general passerby has entered the area where the detection range by
The approach according to any one of claims 1 to 4, wherein the base unit operation means performs the predetermined operation associated with the combination of the handset identification information included in the notification by the intrusion notification unit. Monitoring system. One or more slave units installed in a place where general passersby come and go in the vicinity of the work site, and a master unit possessed by a worker who performs work in a position where the general passersby cannot be seen in the work site, An approach monitoring method performed by an approach monitoring system having
In one of the slave units,
A passer-by detection means for detecting an intrusion of the general passer-by within a predetermined range near the work site; and
Intrusion notification means detects the intrusion of the general passerby within the predetermined range together with the slave unit identification information for identifying the one slave unit with respect to the master unit when the passerby detection unit detects A step of notifying
In the parent machine having a parent machine operation storing means for associating and storing the slave machine identification information and a predetermined operation for notifying the worker of the approach of the general passerby near the work site,
An approaching person monitoring method comprising the step of performing the predetermined operation associated with the slave unit identification information included in the notification when the base unit operation unit receives the notification by the intrusion notification unit.   The approach according to claim 6, wherein the predetermined operation is an operation of notifying the worker of the approach of the general passerby using an output device such as a speaker display provided in the master unit. Monitoring method.   The predetermined operation is an operation for notifying the worker that the general passerby is approaching the work site from a direction in which the one handset is installed. The approaching person monitoring method according to 6 or 7. In the slave unit,
When the handset operating means is detected by the passer-by detection means, a step of notifying the general passerby of predetermined warning information using an output device such as a speaker display provided in the handset, The approaching person monitoring method according to any one of claims 6 to 8, wherein the approaching person monitoring method is included. In the base unit operation storage unit, the combination of the slave unit identification information notified by the intrusion notification unit, and the passerby detection unit included in the slave unit identified by the slave unit identification information constituting the combination Storing in association with the operation of notifying that the general passerby has entered the area where the detection range by
The approach according to any one of claims 6 to 9, wherein the base unit operation means performs the predetermined operation associated with the combination of the slave unit identification information included in the notification by the intrusion notification unit. Monitoring method.

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