JP2013122665A - Worker management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a worker management system capable of identifying the position of a worker in a work space three-dimensionally.SOLUTION: A worker management system includes: a worker database in which device information capable of identifying a transmission device possessed by a worker is associated with the worker and state information of the worker; a three-dimensional area database in which each of plural areas corresponding to actual three-dimensional positions in a worksite in a three-dimensional site model that is updated in accordance with work progress is associated with a remaining limit level of the area; and a server that receives three-dimensional position information and the device information of the transmission device, identifies a present area of the transmission device on the basis of the received three-dimensional position information and the three-dimensional site model, identifies a remaining limit level on the basis of the present area and the three-dimensional area database, identifies a target worker on the basis of the device information and the worker database, and identifies a remaining limit level of the target worker on the basis of the state information of the target worker.

Description

  The present invention relates to a worker management system for managing workers working at a work site.

  As a system for managing workers or the like at a work site or the like, for example, a location management system that confirms the location of a moving object such as a worker or a robot and prevents a collision or the like is known (for example, see Patent Document 1). This location management system transmits from the receiving means by calculation from the received intensity received by the three or more receiving means for receiving outgoing signals from a plurality of transmitting means that transmit at a constant strength and the identification information of the transmitting means. The location is detected by obtaining the distance to the means.

Japanese Patent Laid-Open No. 5-11039

  Although the above location management system can confirm the location of an operator etc. as a planar two-dimensional position, for example, it can be used in a three-dimensional work site such as a construction site having a plurality of floors. There is a problem that the location of the person cannot be confirmed.

  The present invention has been made in view of such problems, and an object of the present invention is to provide an operator management system capable of specifying the location of the operator in the work space in a three-dimensional space. is there.

In order to achieve such an object, the worker management system of the present invention specifies a transmitting device that each worker who works at a work site possesses and transmits three-dimensional position information indicating the three-dimensional position of the worker. A worker database in which possible device information, the worker who possesses the transmission device, and state information indicating the state of the worker are associated with each other;
The work is associated with the actual three-dimensional position on the work site, updated according to the progress of the work, and the work site is modeled on the basis of the three-dimensional information. A three-dimensional region database that associates a plurality of regions that divide the site with a residual restriction level that indicates a level that restricts staying in the region set in each of the regions;
as well as,
Receiving the three-dimensional position information and the device information transmitted from the transmission device;
Based on the received three-dimensional position information and the three-dimensional on-site model, identify the affiliation region where the transmitting device is located among the plurality of regions,
Based on the identified belonging region and the three-dimensional region database, the residual restriction level in the belonging region is identified,
Based on the received device information and the worker database, the target worker who owns the transmitting device and is to be managed is specified, and the residual restriction of the target worker is determined based on the state information of the target worker. Server to identify the level,
It is an operator management system characterized by having.

  According to such an operator management system, the affiliation region where the transmission device is located is specified by the positional information transmitted from the transmission device and the three-dimensional site model that models the work site and divides it into a plurality of regions. It is possible. At this time, since the 3D site model is updated according to the progress of the work, it is possible to always more accurately identify the affiliation region where the transmitting device is located on the 3D site model corresponding to the site. .

  Also, based on the specified belonging area and the three-dimensional area database, the residual restriction level in the belonging area is specified, and the status information of the worker and the worker is specified based on the received device information and the worker database. Based on the identified worker status information, it is possible to compare the residual restriction levels in the affiliation area of the target worker. For this reason, it is possible to specify whether or not the worker can remain in the affiliation area where the worker stays by receiving information from the transmitting device.

In this worker management system, the server can measure the time that the target worker stays in the affiliation area based on the information received from the transmission device, and can store the time as the state information. The residual restriction level is preferably set based on a time during which the worker is allowed to stay continuously in each of the areas.
According to such a worker management system, the measured time during which the target worker remains in the affiliation area and the continuation of the target worker in the set affiliation area are allowed. Based on the time, it is possible to specify the residual restriction level of the target worker.

In this worker management system, it is preferable that the server notifies the event when the specified residual restriction level of the target worker in the affiliation area is a predetermined level set.
According to such a worker management system, when the measured time during which the target worker stays in the affiliation area is a set predetermined level, the event is notified to the target worker. Therefore, it is possible to notify the event according to the residual restriction level of the target worker in the affiliation area.

Such an operator management system preferably includes a display unit for displaying the event.
According to such a worker management system, when the measured time during which the target worker remains in the affiliation area is a predetermined level that is set, the event is displayed on the display unit. It is possible to reliably notify the administrator who is viewing the display of the event.

In this worker management system, the server can transmit information indicating the event, and the transmitting device can receive the information transmitted from the server and can notify the event. It is desirable to have an informing unit.
According to such a worker management system, when the measured time during which the target worker remains in the affiliation area is a predetermined level set, the event is directly notified to the target worker. Therefore, it is possible to notify the target worker of the event promptly and reliably.

In this worker management system, it is preferable that the residual restriction level is set based on the amount of sunlight and the temperature in each of the regions.
According to such an operator management system, since the residual restriction level is set based on the amount of sunlight and the temperature in each region, it is possible to prevent the worker from getting heat stroke.

In this worker management system, the residual restriction level may be set based on the radiation dose in each of the regions.
According to such a worker management system, since the residual restriction level is set based on the radiation dose in each region, it is possible to prevent the worker from receiving radiation exceeding the reference value. .

  According to the present invention, there is provided a worker management system capable of specifying a worker's location in a work space in a three-dimensional space and managing a worker who remains in a predetermined area on the three-dimensional space.

It is a conceptual diagram which shows an example of the worker management system which concerns on this invention. It is a conceptual diagram which shows an example of a worker database. It is a figure which shows an example of the three-dimensional area | region database corresponding to the construction site where the floor slab of the 2nd floor was constructed | assembled. It is a figure which shows an example of a three-dimensional field model. It is a figure which shows the area | region information shown by the three-dimensional field model. It is a figure which shows an example of the three-dimensional area | region database corresponding to the construction site where the floor slab of the 3rd floor was constructed | assembled.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
The worker management system 1 of this embodiment is provided in a construction site, for example, and is constructed in a construction office or the like that manages the construction site.

FIG. 1 is a conceptual diagram showing an example of a worker management system according to the present invention.
As shown in FIG. 1, the worker management system includes a management server 10 provided in a construction office, a worker database 12 and a three-dimensional area database 14 accessible by the management server 10, The management server 10 is, for example, a personal computer having an input unit 10a such as a keyboard and a display unit 10b such as a display.

  The management server 10 has a communication function with the communication terminal 16 as a transmission device assigned to each worker who works on the construction site S. The management server 10 also stores information on a three-dimensional site model 20 obtained by modeling the construction site S in association with an actual three-dimensional position.

  The construction site S is divided into a plurality of regions based on a predetermined rule, and the divided regions are defined as coordinates on the three-dimensional site model 20.

  More specifically, the 3D site model 20 of the construction site S is a 3D model corresponding to an actual site, for example, by adding specification information to the 3D form information of the construction site S, On this three-dimensional field model 20, regions divided based on predetermined rules are shown in correspondence with actual positions. The area information indicating each area divided from the three-dimensional on-site model 20 is updated according to the progress of the work on the site together with the three-dimensional on-site model 20 generated by, for example, BIM (Building Information Modeling).

  In the present embodiment, an explanation will be given by taking as an example the worker management system 1 in which each worker who works at the construction site S manages so as not to cause symptoms of heat stroke during the work. For this reason, in the construction site S, based on the amount of sunlight and the temperature, a permissible time (rule) in which the worker is allowed to stay in a predetermined area is set, and based on this permissible time. Thus, the construction site S is divided into a plurality of regions.

FIG. 2 is a conceptual diagram illustrating an example of the worker database.
As shown in FIG. 2, the worker database 12 accessible by the management server 10 stores each worker in association with a terminal ID that identifies the communication terminal 16 possessed by each worker. ing. The worker database 12 is provided with a rewritable storage area, and together with the position information received from the communication terminal 16 possessed by each worker, the area (affiliation area) to which the identified worker belongs and reception Is stored, and the accumulated accumulated time remaining in the same area is stored as the state information of the worker.

FIG. 3 is a diagram illustrating an example of a three-dimensional region database corresponding to a construction site where a floor slab on the second floor is constructed.
As shown in FIG. 3, the three-dimensional area database 14 accessible by the management server 10 includes each divided area, coordinate information defined as each area (coordinate definition), and a residual restriction level in each area. It is stored in correspondence. In the case of this embodiment, since each area is divided into rectangles, the coordinate information of each area is indicated by a start point and an end point on the three-dimensional site model 20. Further, the residual restriction level associated with each area is set according to the degree of danger, for example. Specifically, the residual non-remaining level I that exceeds the permissible time allowed for the operator to remain in the area, warning level II within 15 minutes before the permissible time, residual permissible level within the permissible time III is set for each region. Here, the warning level is set to be within 15 minutes before the allowable time, but is not limited thereto. The three-dimensional region database 14 is updated together with the three-dimensional site model 20 and region information that are updated as the work progresses.

  FIG. 4 is a diagram illustrating an example of a three-dimensional on-site model. FIG. 5 is a diagram showing the region information shown in the three-dimensional field model.

  For example, as the construction site S, as shown in FIG. 4A, the construction site S in which a pillar 30 is erected from the foundation 30 and the foundation 30 and a floor slab 34 on the second floor is constructed is shown three-dimensionally. FIG. 5A shows a region that is generated by generating a three-dimensional site model 20 and is divided into permissible times during which the worker is allowed to stay in the region continuously based on the sunshine time and the temperature in the region. Thus, it is shown on the three-dimensional field model 20.

  In the example of FIG. 4A, a three-dimensional site model 20 in which four pillars 32 are erected from a foundation 30 and a floor slab 34 on the second floor is constructed is generated in correspondence with an actual position. As shown in FIG. 5A, the generated three-dimensional site model 20 includes a shaded area on the floor slab 34 on the second floor, that is, on the foundation 30 of the construction site S in this embodiment, that is, the first floor portion. Is set as area A, and the area on the second-floor floor slab 34 is set as area B. At this time, a three-dimensional region database 14 as shown in FIG. 3 is also generated and stored. In the example of FIG. 3, the allowable time for area A is set to 120 minutes, and the allowable time for area B is set to 60 minutes.

FIG. 6 is a diagram illustrating an example of a three-dimensional region database corresponding to a construction site where a floor slab on the third floor is constructed.
When the work at the construction site S progresses and the floor slab 34 on the third floor is constructed, the 3D site model 20, the region information, and the 3D region database 14 are updated in accordance with the progress. In this way, it is sequentially updated according to the progress of the construction site S. In the case of FIG. 4C, the three-dimensional site model 20 is updated corresponding to the construction site S in which the floor slab 34 on the third floor is constructed. As shown in FIG. 2, the second floor portion that is area B is a shaded area on the floor slab 34 on the third floor, and the area on the floor slab 34 on the third floor is newly set as area C. At this time, the three-dimensional region database 14 as shown in FIG. 6 is also updated and stored.

  Each worker who works at the construction site S has a communication terminal 16. The communication terminal 16 has a GPS function, communicates with a GPS satellite at predetermined time intervals to acquire position information of the communication terminal 16, and cannot communicate with the GPS satellite. In addition, it has a function of receiving position information from the position transmitter 18 provided on the ceiling portion of the construction site S and specifying its own position. Here, the position transmitter 18 provided on the ceiling portion of the construction site S and transmitting position information is, for example, an IMES (Indoor Messaging System) transmitter that transmits a signal equivalent to a satellite for GPS. For this reason, in this construction site S, the communication terminal 16 can specify the position by the IMES signal even in a place where it is difficult to receive the GPS signal by the floor slab 34.

  The communication terminal 16 communicates with the management server 10 at predetermined time intervals, and transmits the acquired position information and a terminal ID as device information set in the communication terminal 16 to the management server 10.

  The management server 10 that has received the position information and the terminal ID from the communication terminal 16 specifies the worker who has the communication terminal 16 that has been transmitted based on the terminal ID and the worker database 12, and this communication terminal 16. The time received from is stored. Further, based on the received position information, the position on the 3D site model 20 is specified, the belonging area including the specified position is specified, stored in the worker database 12, and the specified area and Based on the three-dimensional area database 14, the residual restriction level in the specified area is specified. At this time, the cumulative time since the worker entered the specified area is calculated. The management server 10 adds the time corresponding to the reception interval to the accumulated time, for example, when the affiliation area specified based on the received location information is the same as the affiliation area when the previous reception was received. If it is different from the current affiliation area, the stored accumulated time is reset and the time corresponding to the reception interval is stored.

  The management server 10 receives a signal from the communication terminal 16 of each worker. For example, the management server 10 is a management target in the area B of the construction site S as shown in FIG. It is assumed that the terminal ID “004” and the position information indicating the position in the area B are received from the communication terminal 16 of the target worker.

  Based on the terminal ID and the worker database 12, the management server 10 identifies a target worker who has the communication terminal 16 that has been transmitted, and stores the received time in the worker database 12 in association with the target worker. To do. Further, based on the received position information, the position on the 3D site model 20 is specified, and the belonging area including the specified position is specified as “Area B” and stored in the worker database 12. At the same time, the cumulative time of the target worker in the specified area “area B” is calculated. At this time, it is assumed that the calculated accumulated time is 70 minutes.

  Based on the calculated accumulated time (70 minutes) and the three-dimensional area database 14, the management server 10 specifies that the residual restriction level in the target worker's area B is “I”, which is a non-residual level.

  The management server 10 has the accumulated time in the affiliation area (area B) where the target worker possessing the communication terminal 16 is “residence impossible level I” to the communication terminal 16 that has transmitted the received location information and terminal ID. The signal which shows that is transmitted. The communication terminal 16 that has received this signal has, for example, a buzzer as a notification unit, and sounds this buzzer to notify the target worker that the accumulated time is the “non-residual level I”. At this time, for example, if the cumulative time of the target worker is 50 minutes and is “Warning Required Level II”, a buzzer with a different sound is sounded, or if “No Residual Level I” is continued In the case of “Warning level II required”, the sound may be intermittently emitted at regular time intervals.

  When the work on the construction site S progresses, the three-dimensional site model 20, the region information, and the three-dimensional region database 14 are updated corresponding to the progress of the construction site S.

  For this reason, for example, in the construction site S as shown in FIG. 4C, the management server 10 determines the terminal ID “002” and the position in the area A from the communication terminal 16 of the target worker in the area A. From the communication terminal 16 of the target worker in the area B, the terminal ID “004” and the positional information indicating the position in the area B are transmitted from the communication terminal 16 of the target worker in the area C to the terminal ID. Assume that “003” and position information indicating the position in area C are received.

  Based on the terminal ID and the worker database 12, the management server 10 identifies a target worker who has the communication terminal 16 that has been transmitted, and stores the received time in the worker database 12 in association with the target worker. To do. Further, based on the received position information, the position on the three-dimensional site model 20 is specified, and the belonging areas including the specified position are “area A”, “area B”, and “area C”, respectively. The cumulative time in each area of each target worker is calculated in each identified area. At this time, it is assumed that the calculated accumulated time is 120 minutes for the target worker in area A, 110 minutes for the target worker in area B, and 50 minutes for the target worker in area C.

  Based on the calculated elapsed time and the three-dimensional area database 14, the management server 10 has the residual restriction level of the target worker in the area A “residual allowable level III”, and the entry restriction of the target worker in the area B. It is specified that the level is “non-residual level I” and the entry restriction level of the target worker in area C is “warning required level II”.

  The management server 10 informs the communication terminal 16 corresponding to the received terminal ID that the elapsed time is “impossible level I” for the target workers in the area B among the target workers possessing the communication terminal 16. A signal indicating that the warning level is “Warning Required Level II” is transmitted to the target worker in area C. Receiving this signal, each of the communication terminals 16 sounds a buzzer to notify the event that the target worker's elapsed time is “remaining impossible level I” or “warning required level II”.

  According to the worker management system 1 of the present embodiment, the position of the communication terminal 16 is determined based on the position information transmitted from the communication terminal 16 and the three-dimensional site model 20 obtained by modeling the construction site S and dividing it into a plurality of regions. It is possible to specify the affiliated area. At this time, since the 3D site model 20 is updated according to the progress of work, it is always possible to more accurately identify the affiliation region where the communication terminal 16 is located on the 3D site model 20 corresponding to the site. Is possible.

  Further, the residual restriction level in the affiliation area is identified based on the identified affiliation area and the three-dimensional area database 14, and the status information of the worker and the worker is obtained based on the received apparatus information and the worker database 12. It is possible to specify the residual restriction level in the target worker's affiliation area based on the specified state information of the target worker. For this reason, by receiving information from the communication terminal 16, it is possible to specify whether or not the worker can remain in the affiliation area where the worker remains.

  Moreover, since the management server 10 measures the time during which the target worker remains in the affiliation area based on the information received from the communication terminal 16, the measured accumulation of the target worker remaining in the affiliation area. It is possible to compare the time with the time during which the target worker is allowed to continue in the affiliation area.

  In addition, when the measured accumulated time that the target worker stays in the affiliation area is the set predetermined level, that is, “non-residual level I” and “warning required level II”, the event Is notified to the target worker, and the event can be notified according to the remaining restriction level of the target worker in the affiliation area. For this reason, it is possible to ensure the safety of the worker.

  In particular, when the measured accumulated time that the target worker remains in the affiliation area is the set “non-residual level I” and “warning required level II”, each worker has the event. It is possible to notify the worker who is the target of “non-residual level I” and “warning-required level II” promptly and surely because the communication terminal 16 is notified directly. .

  Further, since the residual restriction level of the upper embodiment is set based on the amount of sunlight and the temperature in each region, it is possible to prevent workers staying in each region from suffering from heat stroke. .

  The above embodiment is for facilitating the understanding of the present invention, and is not intended to limit the present invention. The present invention can be changed and improved without departing from the gist thereof, and it is needless to say that the present invention includes equivalents thereof.

  In the said embodiment, although the residual restriction | limiting level demonstrated the example set based on the amount of sunlight and temperature in each area | region, it does not restrict to this. For example, if the residual restriction level is set based on the radiation dose in each region, it is possible to prevent the worker from receiving radiation exceeding the reference value.

  In the above embodiment, when the measured accumulated time that the target worker stays in the affiliation area is the set “non-residual level I” and “warning required level II”, the event is communicated. Although the example in which the buzzer of the terminal 16 is sounded and notified has been described, the present invention is not limited to this, and for example, in a site with a high noise level, notification may be made by a lamp or vibration. Alternatively, a method may be used in which the information is displayed on the display unit 10b of the management server 10 and notified, and the operator of the management server 10 who has viewed the display on the display unit 10b is notified of the event to the operator.

  In the above embodiment, an example of notification in the case of “remaining impossible level I” and “required warning level II” has been described. For example, in the case of “remaining allowable level III”, an LED or the like is caused to emit light. The operator may be notified that the management is based on the residual restriction level. In this case, since the operator can confirm that the level is the residual allowable level, the work can be proceeded with peace of mind.

  In the above-described embodiment, the example in which the measured accumulated time remaining in the same area is stored in the worker database 12 is described. However, the accumulated time of the time remaining in each of the plurality of areas is stored. Also good. At this time, since conditions such as sunshine time and temperature are different in each region, the accumulated time may be calculated and stored by weighting the accumulated time in each region.

  Moreover, in the said embodiment, although the worker management system 1 demonstrated the example constructed | assembled in the construction site S, you may construct | assemble outside the construction site S. FIG.

DESCRIPTION OF SYMBOLS 1 Worker management system 10 Management server 10a Input part 10b Display part 12 Worker database 14 Three-dimensional area database 16 Communication terminal 18 Position transmitter 20 Three-dimensional site model 30 Foundation 32 Pillar 34 Floor slab
S Construction site

Claims (7)

Device information that can be specified by each worker who works at the work site and that can transmit a three-dimensional position information indicating the three-dimensional position of the worker, and the worker who owns the transmitter , A worker database in which state information indicating the state of the worker is associated,
The work is associated with the actual three-dimensional position on the work site, updated according to the progress of the work, and the work site is modeled on the basis of the three-dimensional information. A three-dimensional region database that associates a plurality of regions that divide the site with a residual restriction level that indicates a level that restricts staying in the region set in each of the regions;
as well as,
Receiving the three-dimensional position information and the device information transmitted from the transmission device;
Based on the received three-dimensional position information and the three-dimensional on-site model, identify the affiliation region where the transmitting device is located among the plurality of regions,
Based on the identified belonging region and the three-dimensional region database, the residual restriction level in the belonging region is identified,
Based on the received device information and the worker database, the target worker who owns the transmitting device and is to be managed is specified, and the residual restriction of the target worker is determined based on the state information of the target worker. Server to identify the level,
An operator management system comprising: The worker management system according to claim 1,
The server measures the time that the target worker belongs to the affiliation area based on the information received from the transmitting device, and can be stored as the state information,
The residual control level is set based on a time during which the worker is allowed to stay continuously in each of the areas. The worker management system according to claim 1 or 2,
The server notifies the event when the specified residual restriction level of the target worker in the affiliation area is a set predetermined level. The worker management system according to claim 3,
A worker management system comprising a display unit for displaying the event. The worker management system according to claim 3 or 4, wherein
The server is capable of transmitting information indicating the event;
The said transmission apparatus has the alerting | reporting part which can alert | report the said event while being able to receive the said information transmitted from the said server, The worker management system characterized by the above-mentioned. The worker management system according to any one of claims 1 to 5,
The residual management level is set based on the amount of sunlight and the temperature in each of the areas. The worker management system according to any one of claims 1 to 5,
The residual management level is set based on a radiation dose in each of the regions.