Work management system, work management device, work management method, and program

Abstract

To allow a worker to understand risk assessment.SOLUTION: A management system includes a storage unit configured to store mechanical equipment information including at least residual risk information based on risk assessment relating to a work site or mechanical equipment installed at the work site, and worker information including worker identification information of a worker at the work site, a position information acquisition unit configured to acquire position information of the worker, a mechanical equipment identification unit configured to identify mechanical equipment near the position of the worker based on the position information of the worker, and an output unit configured to output the residual risk information relating to the identified mechanical equipment.SELECTED DRAWING: Figure 11

Description

[Technical Field]

[0001] The present invention relates to a work management system, a work management device, a work management method, and a program. [Background technology]

[0002] In production sites, machine manufacturers provide guidelines for risk assessment of machinery and equipment. In this context, a technology has been disclosed for generating a risk assessment list based on an authority list and a task list.

[0003] For example, Patent Document 1 discloses a work support device that supports work related to risk assessment of a production system, and is characterized by comprising: a hazard source list creation unit that creates a hazard source list, which is a list of information groups that indicate the contents of hazard sources that exist in the production system; a work list creation unit that creates a work list, which is a list of information groups that indicate the contents of work that workers will perform in the production system; and a risk assessment list creation unit that creates a risk assessment list, which is a list of information groups that indicate the contents of danger that workers will face from hazard sources that exist in the production system, based on the hazard source list and the work list. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent Publication No. 2021-002143 Summary of the Invention [Problem to be solved by the invention]

[0005] However, even if the person in charge of introducing machinery and equipment from a machinery manufacturer understands risk assessment, the workers who actually use the machinery and equipment may not fully understand the risk assessment.

[0006] Therefore, in consideration of the above-mentioned problems, the present invention aims to provide a work management system, a work management device, a work management method, and a program that can enable workers to understand risk assessment. [Means for solving the problem]

[0007] One aspect of the present invention that solves the above-mentioned problems is a work management system that includes a memory unit that stores machinery and equipment information including at least residual risk information based on a risk assessment regarding a work site or machinery and equipment installed at the work site, and worker information including worker identification information of workers at the work site, a location information acquisition unit that acquires location information of the worker, a machinery and equipment identification unit that identifies machinery and equipment near the worker's location based on the worker's location information, and an output unit that outputs residual risk information regarding the identified machinery and equipment.

[0008] One aspect of the present invention is a work management device that includes a memory unit that stores machinery and equipment information including at least residual risk information based on a risk assessment regarding a work site or machinery and equipment installed at the work site, and worker information including worker identification information of workers at the work site, a location information acquisition unit that acquires location information of the worker, a machinery and equipment identification unit that identifies machinery and equipment near the worker's location based on the worker's location information, and an output unit that outputs residual risk information regarding the identified machinery and equipment.

[0009] One aspect of the present invention is a work management method executed by a computer of a work management device that has a memory unit that stores machinery and equipment information including at least residual risk information based on a risk assessment regarding a work site or machinery and equipment installed at the work site, and worker information including worker identification information of workers at the work site, and the work management method includes a location information acquisition step that acquires location information of the worker, a machinery and equipment identification step that identifies machinery and equipment near the worker's location based on the worker's location information, and an output step that outputs residual risk information regarding the identified machinery and equipment.

[0010] One aspect of the present invention is a program for causing a computer of a work management device having a memory unit that stores machinery and equipment information including at least residual risk information based on a risk assessment regarding a work site or machinery and equipment installed at the work site, and worker information including worker identification information of workers at the work site, to execute the following steps: a location information acquisition step that acquires location information of the worker; a machinery and equipment identification step that identifies machinery and equipment near the worker's location based on the worker's location information; and an output step that outputs residual risk information regarding the identified machinery and equipment. [Effects of the Invention]

[0011] According to the present invention, workers can be made to understand risk assessment. [Brief explanation of the drawings]

[0012] [Figure 1] 1 is a system diagram showing an example of the configuration of a work management system SYS in a first embodiment of the present invention. [Figure 2] FIG. 2 is a block diagram showing an example of the configuration of a work management server device 600 according to the present embodiment. [Figure 3] FIG. 10 is an explanatory diagram for defining a residual risk in this embodiment. [Figure 4] FIG. 10 is another explanatory diagram for defining a residual risk in this embodiment. [Figure 5] FIG. 10 is a diagram showing an example of residual risk information in this embodiment. [Figure 6] FIG. 10 is a sequence diagram showing an example of a process for presenting residual risk information in this embodiment. [Figure 7] FIG. 10 is a diagram illustrating an example of an output image in this embodiment. [Figure 8] FIG. 10 is a diagram showing another example of an output image in the present embodiment. [Figure 9] 4 is a flowchart showing an example of processing in the work management system SYS in this embodiment. [Figure 10] FIG. 2 is a block diagram showing an example of the hardware configuration of a work management server device 600 according to the present embodiment. [Figure 11] FIG. 10 is a block diagram showing an example of the configuration of a work management server device 600A according to a second embodiment of the present invention. [Figure 12] 4 is a flowchart showing an example of processing in the work management system SYS in this embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0013] First Embodiment [Overall configuration example of a work management system] FIG. 1 is a system diagram showing an example of the configuration of a work management system SYS according to an embodiment of the present invention. The work management system SYS of this embodiment is a system that allows a worker WK at a work site WS to understand a risk assessment related to the work site WS or the machinery and equipment installed at the work site WS. Specifically, the work management system SYS is a system that stores machinery and equipment information including at least residual risk information based on a risk assessment related to the work site WS or the machinery and equipment installed at the work site WS, and floor information of the work site WS, generates map information including residual risk marks that indicate areas that have residual risks based on the machinery and equipment information, and floor information, and outputs residual risk information corresponding to a residual risk mark selected by the worker WK from the map information to a predetermined terminal device (such as the worker terminal device 300 or the work management terminal device 700).

[0014] Although the figure shows one worker WK at the work site WS, there may be multiple workers WK at the work site WS.

[0015] The worker WK carries a transmitter 100 that is compatible with a positioning system used to measure the worker's current location. The transmitter 100 may be in the form of, for example, a tag, a card, or a wearable terminal. The positioning system of this embodiment is, for example, UWB (Ultra Wide Band), a proximity sensor that detects the proximity of the transmitter 100, or a contact sensor that detects contact with the transmitter 100. In this embodiment, a case will be described where the transmitter 100 emits positioning radio waves that are compatible with UWB, as an example.

[0016] The worker WK may carry a code reader. In this case, the code reader reads a code symbol and acquires information indicated by the read code symbol. The code reader may be communicably connected to the worker terminal device 300 via a predetermined short-range wireless communication such as Bluetooth (registered trademark) or BLE (Bluetooth Low Energy: registered trademark).

[0017] Furthermore, the worker WK carries a worker terminal device 300. The worker terminal device 300 is a terminal that supports the worker WK in his or her work. The worker terminal device 300 is connected to a gateway (GW20) via, for example, a wireless LAN. The GW20 is connected to a work management server device 600 (an example of a work management device) via a network so that the worker terminal device 300 can communicate with the work management server device 600. In this manner of connection, the worker terminal device 300 is connected to the work management server device 600 so that the worker terminal device 300 can communicate with the work management server device 600.

[0018] In the same figure, the worker terminal device 300 and the work management server device 600 are connected via a relay of the GW20 installed at the work site WS, but the worker terminal device 300 may be able to connect to the work management server device 600 via a mobile phone communication network, for example, without going through the GW20.

[0019] The worker terminal device 300 may be a smartphone, a tablet terminal, or the like.

[0020] The functions of the worker terminal device 300 of this embodiment may be realized by installing a worker assistance application, or by accessing a worker assistance website provided by the work management server device 600 using a browser installed in the worker terminal device 300. The worker assistance application may also be a thin client application.

[0021] The work site WS is provided with a work management terminal device 700. The work management terminal device 700 is a terminal used by a manager who manages the work site WS. The work management terminal device 700 is connected to the GW 20, and is thereby connected to the work management server device 600 so as to be able to communicate with it.

[0022] The work management terminal device 700 may be connected to the work management server device 600 via a mobile phone communication network or the like, without going through the GW 20, for example.

[0023] The work management terminal device 700 may be a personal computer, a smartphone, a tablet terminal, or the like.

[0024] The functions of the work management terminal device 700 of this embodiment may be realized by installing a work management support application, or by accessing a work management support website provided by the work management server device 600 using a browser installed in the work management terminal device 700. The work management support application may also be a thin client application.

[0025] The location management server device 500 (an example of a positioning device) is a server that manages the location of the worker WK at the work site WS. In this embodiment, the location management system that measures the location of the worker WK at the work site WS includes the location management server device 500, a transmitter 100, and a receiver 400.

[0026] The position of the worker WK is measured by such a positioning system as follows. At the work site WS, one receiver 400 is fixedly installed at each of a plurality of predetermined positions. The plurality of receivers 400 are connected to the position management server device 500 via, for example, a hub (HUB10).

[0027] The transmitter 100 carried by the worker WK emits pulsed radio waves for positioning. The emitted radio waves are received by multiple receivers 400 located within the range of the radio waves. The receiver 400 that receives the radio waves from the transmitter 100 measures the time it takes for the received radio waves to arrive from the transmitter 100 (signal arrival time) and the angle at which the received radio waves arrive (signal arrival angle), and transmits measurement information including the measured signal arrival time and signal arrival angle to the location management server device 500.

[0028] The location management server device 500 calculates the location of the transmitter 100 based on the signal arrival time and signal arrival angle included in each piece of measurement information received from the multiple receivers 400. In this embodiment, the location of the transmitter 100 calculated in this manner is treated as the location measured for the worker WK who carries the transmitter 100.

[0029] Furthermore, in order to associate the location measured by the location management server device 500 with the worker WK, the transmitter 100 may transmit a transmitter ID that is uniquely associated with the worker WK to the receiver 400. The receiver 400 transmits the measurement information including the received transmitter ID to the location management server device 500. The location management server device 500 can associate the measured location of the transmitter 100 with the transmitter ID. Since the transmitter ID and the worker WK are uniquely associated with each other, it becomes possible to associate the measured location of the transmitter 100 with the worker WK.

[0030] Such a UWB positioning system is capable of measuring a position with an accuracy of, for example, several tens of centimeters. Therefore, in this embodiment, too, it is possible to grasp the position of a worker WK present at a work site WS with a high accuracy of several tens of centimeters.

[0031] The transmitter 100 is also provided in a machine installed at the work site WS. The transmitter 100 installed in the machine has the same functions as the transmitter 100 carried by the worker WK.

[0032] The location management server device 500 is connected to a work management server device 600 (an example of a work management device) via a network. The location management server device 500 transmits worker location information indicating the measured location of each worker WK and machine / equipment location information indicating the measured location of each piece of machinery / equipment to the work management server device 600. The work management server device 600 uses the received worker location information and machine / equipment location information to transmit residual risk information based on risk assessment for the worker WK to the work management terminal device 700 or the worker terminal device 300. The work management terminal device 700 or the worker terminal device 300 outputs the received information, for example, by displaying it. In this way, the location management server device 500 can cause the work management terminal device 700 or the worker terminal device 300 to present the residual risk information based on the risk assessment to the worker WK.

[0033] [About the Work Management Screen] In the work management system of this embodiment configured as described above, a work management screen can be displayed on the work management terminal device 700 and the worker terminal device 300. On the work management screen, information based on the position of the worker WK measured by the positioning system, for example, residual risk information on machinery and equipment near the position of the worker WK, is presented as the operating status of the worker WK.

[0034] Next, the configuration of the work management server device 600 will be described.

[0035] [Example of functional configuration of work management server device 600] FIG. 2 is a block diagram showing an example of the configuration of the work management server device 600 according to this embodiment. The functions of the work management server device 600 shown in the figure are realized by a CPU (Central Processing Unit) included in the hardware of the work management server device 600 executing a program.

[0036] The work management server device 600 includes a communication unit 610 , an input unit 620 , an output unit 630 , a control unit 640 , and a storage unit 650 .

[0037] The communication unit 610 communicates with the location management server 500, the worker terminal 300, the work management terminal 700, etc. via a network in a wired or wireless manner.

[0038] The input unit 620 is an input device such as a mouse, a keyboard, a touch panel, a power button, and a setting button.

[0039] The output unit 630 is an output device such as a display unit or a speaker.

[0040] The control unit 640 has a function of controlling various functions in the work management server device 600. The control unit 640 includes a map information generation unit 641 , a selection information acquisition unit 642 , and a residual risk information acquisition unit 643 .

[0041] The map information generation unit 641 reads out machine information and work site floor information from the storage unit 650. The machine information includes at least residual risk information based on a risk assessment of the work site or the machine installed at the work site. The map information generation unit 641 generates map information including residual risk marks indicating locations with residual risk based on the machine information, and floor information. Specifically, the map information generation unit 641 generates map information in which one or more residual risk marks are attached to locations on the floor of the work site where residual risk exists, such as locations where machine equipment with residual risk is installed or floor locations of the work site with residual risk. The map information generation unit 641 stores the generated map information in the storage unit 650.

[0042] The selection information acquisition unit 642 reads out map information from the storage unit 650 and outputs the map information to the work management terminal device 700 or the worker terminal device 300. The selection information acquisition unit 642 acquires, as selection information, information on a residual risk mark selected by the worker from one or more residual risk marks included in the map information from the work management terminal device 700 or the worker terminal device 300. The selection information acquisition unit 642 outputs the selection information to the residual risk information acquisition unit 643.

[0043] The residual risk information acquisition unit 643 acquires the residual risk information corresponding to the selection information from the storage unit 650. The residual risk information acquisition unit 643 outputs the residual risk information to the work management terminal device 700 or the worker terminal device 300.

[0044] The control unit 640 may acquire the location information of the worker from the location management server device 500. In this case, the control unit 640 may refer to the worker information stored in the storage unit 650, identify the worker according to the transmitter ID included in the location information, identify the floor according to the location of the identified worker, and transmit map information of the corresponding floor to the worker terminal device 300 and / or the work management terminal device 700.

[0045] The storage unit 650 stores various types of information corresponding to the work management server device 600. The storage unit 650 stores floor information 651, machine equipment information 652, map information 653, and worker information 654.

[0046] The floor information 651 is information in which at least floor identification information for identifying a floor, a floor list showing the configuration of the floor, and the installation positions of mechanical equipment installed on the floor are associated with each other.

[0047] The mechanical equipment information 652 is information that associates at least the following: mechanical equipment identification information that identifies the mechanical equipment; residual risk information for the mechanical equipment based on risk assessment; residual risk marks corresponding to the residual risk information; and parts of the mechanical equipment that have residual risks. The residual risk information is, for example, still images, moving images including AR and VR, and text. The residual risk marks are marks that indicate danger, warning, caution, etc.

[0048] Map information 653 is map information generated from machinery and equipment information 652 and floor information 651, and is information that associates at least floor identification information that identifies the floor, a floor list that shows the floor configuration, the installation locations of machinery and equipment installed on the floor, machinery and equipment identification information that identifies the machinery and equipment, residual risk information of the machinery and equipment based on risk assessment, residual risk marks that correspond to the residual risk information, and parts of the machinery and equipment that have residual risks.

[0049] The worker information 654 is information that associates worker identification information (worker ID) that identifies the worker, transmitter identification information (transmitter ID) that identifies the transmitter 100 owned by the worker, and identification information (worker terminal device ID) that identifies the worker's worker terminal device 300.

[0050] Next, residual risks will be explained.

[0051] [Residual risk] The residual risk according to this embodiment is defined by a score according to, for example, the severity of the injury or illness and the degree of likelihood of the injury or illness occurring. The severity of the injury or illness is expressed by a number of stages, for example, fatal, serious, moderate, minor, etc. The degree of likelihood of the injury or illness occurring is expressed by a number of stages, for example, extremely high, relatively high, possible, unlikely, etc.

[0052] FIG. 3 is an explanatory diagram for defining the residual risk in this embodiment. Each risk in machinery and on the floor is scored according to the severity of the injury or illness and the likelihood of the injury or illness occurring.

[0053] In the example shown, the scores are defined so that the more severe the injury or illness and the higher the likelihood of the injury or illness occurring, the higher the score, for example, scores of "5," "4," "3," "2," or "1."

[0054] FIG. 4 is another explanatory diagram for defining the residual risk in this embodiment. Each risk is assigned a score in Figure 3. For example, as shown in Figure 4, a risk with a score of "5-4" is considered to be "dangerous," indicating that "immediate risk reduction measures must be taken," "work must be stopped until measures are taken," and "sufficient management resources must be allocated." A risk with a score of "3-2" is considered to be "warning," indicating that "immediate risk reduction measures must be taken," "work must be stopped until measures are taken," and "management resources must be allocated as a priority." A risk with a score of "1" is considered to be "caution," indicating that "risk reduction measures must be implemented as necessary."

[0055] FIG. 5 is a diagram showing an example of residual risk information in this embodiment. The residual risk information contained in the machinery and equipment information is information that corresponds, for each risk, the risk identification information (e.g., No.) that identifies the risk, the location or part of the machinery and equipment that poses the risk (the part on the machine), the degree of risk defined in Figure 4, the details of the hazard defined in Figure 4, the protective measures to be implemented by the user of the machinery and equipment (protective measures to be implemented by the machine user), the legal qualifications and education required for the work, and the reference page of the machinery and equipment instruction manual (reference page of the instruction manual).

[0056] Next, the flow of processing according to this embodiment will be described.

[0057] [Processing flow] FIG. 6 is a sequence diagram showing an example of the process of presenting residual risk information in this embodiment. In step ST101, the work management server device 600 reads out floor information and mechanical equipment information from the storage unit 650, and generates map information including floor information and residual risk marks indicating areas with residual risks based on the mechanical equipment information. Next, the work management server device 600 executes the process of step ST102.

[0058] In step ST102, the work management server device 600 outputs the map information to the work management terminal device 700. Next, the work management terminal device 700 executes the process of step ST103.

[0059] 6 will be described in the case of the work management terminal device 700, the work management server device 600 may output map information to the worker terminal device 300 instead of or in addition to the work management terminal device 700. In other words, the work management terminal device 700 shown in FIG. 6 may be read as the worker terminal device 300, or as both the worker terminal device 300 and the work management terminal device 700.

[0060] In step ST103, the work management terminal device 700 displays the map information to the worker WK. Next, the work management terminal device 700 executes the process of step ST104.

[0061] In step ST104, the work management terminal device 700 acquires, as selection information, information on the remaining risk mark selected by the worker WK in the displayed map information. Next, the work management terminal device 700 executes the processing of step ST105.

[0062] In step ST105, the work management terminal device 700 outputs the selection information to the work management server device 600. Next, the work management server device 600 executes the process of step ST106.

[0063] In step ST106, the work management server device 600 acquires the residual risk information corresponding to the residual risk mark indicated by the selection information from the storage unit 650. Next, the work management server device 600 executes the process of step ST107.

[0064] In step ST107, the work management server device 600 outputs the residual risk information to the work management terminal device 700. Next, the work management terminal device 700 executes the processing of step ST108.

[0065] In step ST108, the work management terminal device 700 displays the remaining risk information and presents it to the worker WK, and then ends the processing related to FIG.

[0066] Next, an example of an output screen will be described.

[0067] [Example of output image] FIG. 7 is a diagram showing an example of an output image in this embodiment. The illustrated example is an output image example of map information displayed on the work management terminal device 700 or the worker terminal device 300. The illustrated map information displays the installation locations of equipment A, equipment B, equipment C, equipment D, equipment E, equipment F, equipment G, and equipment H, which represent mechanical equipment, in an area indicating the floor, and residual risk marks according to the risk level are placed near the equipment where a residual risk exists. Note that in the case of a residual risk mark corresponding to a risk level of "danger," the display mode of the corresponding mechanical equipment (equipment H in the illustrated example) may be changed to clearly indicate the risk level to the worker.

[0068] FIG. 8 is a diagram showing another example of an output image in this embodiment. The example output image shown in Figure 8 is an example output image of residual risk information that is displayed, for example, when worker WK selects a residual risk mark corresponding to a risk level of "danger" near device H in the example shown in Figure 7.

[0069] In the illustrated example, a photo or image of the device H is displayed, and for each part of the machinery and equipment where a residual risk exists, the risk level and the residual risk information corresponding to the risk level are displayed. Then, when the worker selects an identification number (No.) corresponding to the risk level, the relevant page in the machinery and equipment instruction manual and the type of risk are displayed.

[0070] Next, a processing example will be described.

[0071] [Processing example] FIG. 9 is a flowchart showing an example of processing in the work management system SYS in this embodiment.

[0072] In step S101, the transmitter 100 carried by the worker WK and the transmitter 100 provided in the mechanical equipment periodically transmit radio waves for positioning and a transmitter ID. Each of the receivers 400 present within the reach of the radio waves receives the radio waves and transmitter ID transmitted from the transmitter 100. Next, the receiver 400 executes the process of step S103.

[0073] In step S103, receiver 400 measures the signal arrival time and signal arrival angle corresponding to the radio wave received in step S101. Next, receiver 400 executes the process of step S105.

[0074] In step S105, receiver 400 transmits measurement information including the signal arrival time and signal arrival angle measured in step S103 and the corresponding transmitter ID to location management server 500. Next, location management server 500 executes the process of step S201.

[0075] In step S201, location management server 500 receives the measurement information transmitted in step S105 from each receiver 400. Next, location management server 500 executes the process of step S203.

[0076] In step S203, location management server 500 calculates the location using the signal arrival time, signal arrival angle, etc. of the multiple pieces of measurement information including the same transmitter ID received in step S201. Next, location management server 500 executes the process of step S205.

[0077] In step S205, the location management server device 500 transmits location information indicating the location calculated in step S203 to the work management server device 600. A corresponding transmitter ID is added to the location information transmitted by the location management server device 500. Next, the work management server device 600 executes the process of step S301.

[0078] In step S301, the work management server device 600 receives the position information transmitted in step S205. Next, the work management server device 600 executes the process of step S303.

[0079] In step S303, the work management server device 600 identifies the worker WK corresponding to the location information received in step S301. Specifically, the work management server device 600 identifies the worker ID associated with the transmitter ID included in the location information by referring to worker information (not shown) stored in the storage unit 650. Next, the work management server device 600 executes the process of step S305.

[0080] In step S305, the work management server device 600 determines the location indicated by the location information received in step S301 as the location (worker location) of the worker WK identified in step S303, and identifies the floor corresponding to the location of the worker WK. Next, the work management server device 600 executes the process of step S307.

[0081] In step S307, the work management server device 600 reads out map information corresponding to the floor identified in step S305 from the storage unit 650, and transmits the map information to the work management terminal device 700 and / or the worker terminal device 300. Next, the worker terminal device 300 executes the process of step S401.

[0082] In step S401, the worker terminal device 300 receives the map information transmitted in step S307 from the work management server device 600. Next, the worker terminal device 300 executes the process of step S403.

[0083] In step S403, the worker terminal device 300 displays the map information. Then, based on the selection of a residual risk mark included in the map information, the worker terminal device 300 displays the residual risk information corresponding to the residual risk mark. Then, the processing in FIG. 9 ends.

[0084] Next, the hardware configuration of the work management server device 600 will be described.

[0085] The work management server device 600 is composed of a CPU 601, a drive unit 602, a storage medium 603, an input unit 604, an output unit 605, a ROM (Read Only Memory) 606, a RAM (Random Access Memory) 607, an auxiliary storage unit 608, and an interface unit 609.

[0086] The CPU 601, drive unit 602, input unit 604, output unit 605, ROM 606, RAM 607, auxiliary storage unit 608, and interface unit 609 are interconnected via a bus. The CPU 601 referred to here refers to a processor in general, and includes not only a device called a CPU in the narrow sense, but also, for example, a GPU, a DSP, etc. The CPU 601 referred to here is not limited to being realized by a single processor, but may be realized by combining multiple processors of the same or different types.

[0087] The CPU 601 controls the work management server device 600 by reading and executing programs stored in the auxiliary storage unit 608, ROM 606, and RAM 607, and by reading various data stored in the auxiliary storage unit 608, ROM 606, and RAM 607 and writing the various data to the auxiliary storage unit 608 and RAM 607. The CPU 601 also reads various data stored in the storage medium 603 via the drive unit 602 and writes the various data to the storage medium 603. The storage medium 603 is a portable storage medium such as a magneto-optical disk, a flexible disk, or a flash memory, and stores various data. The drive unit 602 is a device that reads and writes data from and to a storage medium 603 such as an optical disk drive, a flexible disk drive, or a flash memory.

[0088] The input unit 604 is an input device such as a mouse, a keyboard, a touch panel, a power button, a setting button, and an infrared receiver. The output unit 605 is an output device such as a display unit and a speaker. The ROM 606 and RAM 607 store programs and various data for operating the various functional units of the work management server device 600 .

[0089] The auxiliary storage unit 608 is a hard disk drive, flash memory, or the like, and stores programs for operating each functional unit of the work management server device 600 and various data. The interface unit 609 has a communication interface and is connected to the network NW or other devices in the work management system SYS via wire or wirelessly.

[0090] For example, the communication unit 610 in the functional configuration of the work management server device 600 in the above-mentioned Figure 2 corresponds to the interface unit 609 in Figure 10, the input unit 620 in Figure 2 corresponds to the input unit 604 in Figure 10, the output unit 630 in Figure 2 corresponds to the output unit 605 in Figure 10, the control unit 640 in Figure 2 corresponds to the CPU 601 in Figure 10, and the memory unit 650 in Figure 2 corresponds to the memory medium 603, ROM 606, RAM 607, auxiliary memory unit 608, etc. in Figure 10.

[0091] As such, the work management system SYS of this embodiment comprises a memory unit 650 that stores machinery and equipment information including at least residual risk information based on a risk assessment regarding the work site or machinery and equipment installed at the work site, and floor information of the work site, a map information generation unit 641 that generates map information including residual risk marks indicating areas with residual risk based on the machinery and equipment information, and floor information, and an output unit 630 that outputs residual risk information corresponding to the residual risk mark selected by the worker from the map information.

[0092] This will help workers understand the risk assessment.

[0093] Second Embodiment In the second embodiment, a case will be described in which residual risk information in the vicinity of a worker's position is output to the worker terminal device 300 and / or the work management terminal device 700 in accordance with the worker's position information. In addition, in the second embodiment, the differences from the first embodiment will be mainly described, and descriptions of other aspects will be omitted.

[0094] Next, the configuration of the work management server device 600A will be described.

[0095] [Example of functional configuration of work management server device 600A] FIG. 11 is a block diagram showing an example of the configuration of a work management server device 600A according to the second embodiment of the present invention. Work management server device 600A includes a communication unit 610, an input unit 620, an output unit 630, a control unit 640A, and a storage unit 650.

[0096] Control unit 640A has a function of controlling various functions in work management server device 600A. The control unit 640A includes a map information generation unit 641, a residual risk information acquisition unit 643A, a position information acquisition unit 644A, a worker identification unit 645A, and a machine equipment identification unit 646A.

[0097] The position information acquisition unit 644A acquires the position information of the worker from the position management server 500. The position information acquisition unit 644A outputs the acquired position information to the worker identification unit 645A and the machine / equipment identification unit 646A.

[0098] The worker identification unit 645A refers to the transmitter ID included in the location information and the worker information stored in the storage unit 650 to identify the worker.

[0099] The machine equipment identification unit 646A identifies the machine equipment near the worker's location based on the worker's location information.

[0100] The residual risk information acquisition unit 643A reads out residual risk information regarding the machinery and equipment identified by the machinery and equipment identification unit 646A from the memory unit 650, and outputs the residual risk information to the worker terminal device 300 and / or work management terminal device 700 of the worker identified by the worker identification unit 645A.

[0101] Next, a processing example will be described.

[0102] [Processing example] FIG. 12 is a flowchart showing an example of processing in the work management system SYS in this embodiment.

[0103] In step S301, work management server device 600A receives the position information transmitted in step S205. Next, work management server device 600A executes the process of step S303.

[0104] In step S303, work management server device 600A identifies the worker WK corresponding to the location information received in step S301. Specifically, work management server device 600A identifies the worker ID associated with the transmitter ID included in the location information by referring to the worker information stored in storage unit 650. Next, work management server device 600A executes the process of step S305A.

[0105] In step S305A, the work management server device 600A determines the position indicated by the position information received in step S301 as the position (worker position) of the worker WK identified in step S303, and identifies machinery and equipment that exists near the position of the worker WK. Next, the work management server device 600A executes the process of step S307A.

[0106] In step S307A, the work management server device 600A reads out the residual risk information related to the mechanical equipment identified in step S305A from the storage unit 650, and transmits the residual risk information to the work management terminal device 700 and / or the worker terminal device 300. Next, the worker terminal device 300 executes the processing of step S401A.

[0107] In step S401A, the worker terminal device 300 receives the residual risk information transmitted from the work management server device 600A in step S307A. Next, the worker terminal device 300 executes the process of step S403A.

[0108] In step S403A, the worker terminal device 300 displays the residual risk information, and then ends the processing in FIG.

[0109] As such, the work management system SYS of this embodiment comprises a memory unit 650 that stores machinery and equipment information including at least residual risk information based on a risk assessment regarding the work site or machinery and equipment installed at the work site, and worker information including worker identification information of workers at the work site, a location information acquisition unit 644A that acquires worker location information, a machinery and equipment identification unit 646A that identifies machinery and equipment near the worker's location based on the worker's location information, and an output unit 630 that outputs residual risk information regarding the identified machinery and equipment.

[0110] This will help workers understand the risk assessment.

[0111] The embodiments of the present invention have been described in detail above with reference to the drawings, but the specific configuration is not limited to that described above, and various design changes can be made within the scope of the gist of the present invention.

[0112] The program running on the work management server device 600 or 600A in one aspect of the present invention may be a program that controls one or more processors, such as a central processing unit (CPU), to implement the functions described in the above-described embodiments and variations of one aspect of the present invention (a program that causes a computer to function). The term "computer" here also includes quantum computers. Information handled by each of these devices may be temporarily stored in random access memory (RAM) during processing, and then stored in various storage devices such as flash memory or hard disk drives (HDDs), where it may be read, modified, or written by the CPU or the like as needed.

[0113] Note that part or all of the work management server device 600 and work management server device 600A in each of the above-described embodiments and modifications may be implemented by a computer having one or more processors. In this case, the control functions may be implemented by recording a program for implementing the control functions on a computer-readable recording medium, and reading and executing the program recorded on the recording medium into a computer system.

[0114] The term "computer system" used here refers to the computer system built into the work management server device 600 or 600A, and includes hardware such as the OS and peripheral devices. The term "computer-readable recording medium" refers to portable media such as flexible disks, optical magnetic disks, ROMs, and CD-ROMs, as well as storage devices such as hard disks built into the computer system.

[0115] Furthermore, the term "computer-readable recording medium" may include a medium that dynamically stores a program for a short period of time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line, or a medium that stores a program for a fixed period of time, such as volatile memory within a computer system that serves as a server or client in such a case. The program may also be one that realizes part of the above-mentioned functions, or one that can realize the above-mentioned functions in combination with a program already stored in the computer system.

[0116] Furthermore, part or all of the work management server device 600 and work management server device 600A in each of the above-described embodiments and modifications may be realized as an LSI, which is typically an integrated circuit, or as a chipset. Furthermore, each functional block of the work management server device 600 and work management server device 600A in each of the above-described embodiments and modifications may be individually formed into a chip, or part or all of them may be integrated into a chip. The integrated circuit method is not limited to LSI, and may also be realized using a dedicated circuit and / or a general-purpose processor. Furthermore, if an integrated circuit technology that can replace LSI emerges due to advances in semiconductor technology, it is also possible to use an integrated circuit based on that technology.

[0117] While the embodiments and modifications have been described above in detail with reference to the drawings as one aspect of the present invention, the specific configuration is not limited to the embodiments and modifications, and design changes within the scope of the present invention are also included. Furthermore, various modifications of one aspect of the present invention are possible within the scope of the claims, and embodiments obtained by appropriately combining the technical means disclosed in different embodiments are also included in the technical scope of the present invention. Furthermore, configurations in which elements described in the above embodiments and modifications are substituted with elements that achieve the same effect are also included. [Explanation of symbols]

[0118] 100 Transmitters 300 Worker terminal device 400 receiver 500 Location management server device 600, 600A Work management server device 601 CPU 602 Drive Unit 603 Storage medium 604 Input section 605 Output section 606 ROM 607 RAM 608 Auxiliary storage 609 Interface Section 610 Communications Department 620 Input section 630 Output section 640, 640A control unit 641 Map Information Generation Unit 642 Selection information acquisition unit 643 Residual Risk Information Acquisition Department 643A Residual Risk Information Acquisition Department 644A Location information acquisition unit 645A Worker identification section 646A Mechanical Equipment Specification Department 650 Storage section 651 Floor Information 652 Machinery and Equipment Information 653 Map Information 654 Worker Information 700 Work management terminal device NW Network SYS Work Management System

Claims

1. a storage unit that stores machine / equipment information including at least residual risk information based on a risk assessment regarding a work site or a machine / equipment installed at the work site, and worker information including worker identification information of a worker at the work site; a location information acquisition unit that acquires location information of the worker; a machine equipment identification unit that identifies a machine equipment near the position of the worker based on the position information of the worker; an output unit that outputs residual risk information regarding the identified mechanical equipment; A work management system comprising:

2. The residual risk information includes at least one of a still image indicating the residual risk, a moving image indicating the residual risk, and a sentence indicating the residual risk. The work management system according to claim 1 .

3. a storage unit that stores machine / equipment information including at least residual risk information based on a risk assessment regarding a work site or a machine / equipment installed at the work site, and worker information including worker identification information of a worker at the work site; a location information acquisition unit that acquires location information of the worker; a machine equipment identification unit that identifies a machine equipment near the position of the worker based on the position information of the worker; an output unit that outputs residual risk information regarding the identified mechanical equipment; A work management device comprising:

4. A work management method executed by a computer of a work management device having a memory unit that stores machine equipment information including at least residual risk information based on a risk assessment related to a work site or a machine equipment installed at the work site, and worker information including worker identification information of a worker at the work site, a position information acquisition step of acquiring position information of the worker; a machine equipment identification step of identifying a machine equipment near the position of the worker based on the position information of the worker; an output step of outputting residual risk information related to the identified mechanical equipment; A work management method having the above.

5. A computer of a work management device having a memory unit that stores machine equipment information including at least residual risk information based on a risk assessment regarding a work site or a machine equipment installed at the work site, and worker information including worker identification information of a worker at the work site, a position information acquisition step of acquiring position information of the worker; a machine equipment identification step of identifying a machine equipment near the position of the worker based on the position information of the worker; an output step of outputting residual risk information related to the identified mechanical equipment; A program to execute.

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