JP2020016466A - Position management system and position management method - Google Patents

Abstract

To provide a position management system and position management method that acquire the position of at least one of a person and equipment existing inside or outside a job site, and can accurately manage the position of at least one of the person and equipment.SOLUTION: A position management system related to an embodiment is a position management system for managing the position of at least one of a person M and equipment E existing inside or outside a building C of a job site A. This system includes: an indoor position acquisition unit for acquiring the position of at least one of a person M and equipment E existing inside the building C; an outdoor position acquisition unit for acquiring the position of at least one of the person M and equipment E existing outside the building C; and a display control unit for displaying both the position of at least one of the person M and equipment E acquired by the indoor position acquisition unit and the position of at least one of the person M and equipment E acquired by the outdoor position acquisition unit.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a position management system and a position management method for managing the position of at least one of a person and equipment at a construction site.

  2. Description of the Related Art Conventionally, various position management systems have been known for managing the position of at least one of a person and equipment at a construction site. Japanese Patent Laying-Open No. 2007-73017 describes a work vehicle management system at a building site on a high floor. The work vehicle management system includes a transmitting device and a floor gate transmitting device provided on each floor of a building, and a server provided on the first floor of the building. A work vehicle is movable on each floor of the building, and the floor gate transmitting device of each floor transmits an identification ID capable of identifying the floor gate transmitting device to the work vehicle. The work vehicle transmits the received identification ID to the server, and the server acquires the moving state of the work vehicle from the received ID.

  Japanese Patent Application Laid-Open No. 2017-46085 describes a position management system that manages the positions of workers and equipment in a tunnel pit. In this position management system, an RF tag is attached to each of the worker and the equipment, and a communication device compatible with the RF tag is provided inside the tunnel. The RF tag-compatible communication device is provided on a battery locomotive mounted on a rail in a tunnel mine, and acquires a position management identifier for identifying each of the worker and the equipment from the RFID tag. Further, the communication device corresponding to the RF tag transmits the acquired position management identifier to the management device, and the management device stores the position management identifier, whereby the positions of the worker and the equipment can be grasped.

  Japanese Patent Application Laid-Open No. 2004-171127 describes a field work support method. In the on-site work support method, a management center server that manages workers who work on site and a mobile terminal carried by the worker are used. The mobile terminal transmits worker information including worker position information to the management center server at regular intervals. Further, the field devices arranged at the site transmit field device information including position information and status information of the field devices to the management center server. The management center server acquires the information of the worker and the field device at the site by receiving the worker information and the field device information.

  Japanese Patent Laying-Open No. 2002-105989 describes a construction site management system. In the construction site management system, each of a plurality of construction machines and material transport vehicles located at the construction site is provided with a position measuring device by GPS (Global Positioning System) and a wireless communication device by satellite communication using a communication satellite. It is installed. The position measuring device detects the position information of each construction machine, and the detected position information is transmitted to the database management center by the wireless communication device. The position information transmitted to the database management center is displayed on terminal devices owned by each of the contractor and the material supplier.

  Japanese Patent No. 3685090 describes a system for managing the number of operating construction machines. The operation number management system includes an operation information detection device mounted on a hydraulic excavator as a construction machine, an operation information communication device capable of communicating with the operation information detection device, and an operation information communication device via a communication satellite and a base station. And an operation information management device capable of communication. The operation information detection device includes a GPS antenna and a positioning device, and the positioning device measures the position of the excavator based on transmission data from the GPS antenna. The operation information management device acquires the positions of the plurality of excavators from the operation information communication device, and displays the number of excavators by a color-coded display or a hatched pattern on a map.

JP 2007-73017 A JP 2017-46085 A JP 2004-171127 A JP-A-2002-105989 Japanese Patent No. 3685090

  By the way, as described above, when the position information of the person and the equipment is acquired by using the GPS, the GPS radio wave may not reach the inside of the building at the construction site. Therefore, due to weak GPS radio waves, it may not be possible to acquire position information of a person or equipment existing inside a building with high accuracy. In addition, the above-mentioned work vehicle management system, position management system and on-site work support method all target the inside of the construction site, and acquire the position of a person or equipment located outside the construction site. I can't.

  That is, with the above-described work vehicle management system, position management system and on-site work support method, it is not possible to obtain the position of a person or equipment going to a construction site from a remote place, Only the position of can be displayed. Therefore, the present situation is that the position information of the people or the equipment inside and outside the building at the construction site cannot be sufficiently displayed, and the position of the people or the equipment can not be managed accurately.

  The present invention is capable of acquiring at least one of the positions of persons and materials located inside and outside of a construction site and a position capable of managing at least one of the positions of persons and materials with high accuracy. A management system and a position management method are provided.

  A position management system according to the present invention is a position management system that manages at least one position of people and materials inside and outside a building at a construction site, and at least one position of people and materials inside a building. Indoor position acquisition unit for acquiring the position, at least one of the position of the person and / or the equipment acquired by the indoor position acquisition unit, the outdoor position acquisition unit for acquiring the position of at least one of the person and the equipment outside the building And a display control unit for displaying at least one of the position of the person and the equipment acquired by the outdoor position acquisition unit.

  The position management system includes an outdoor position acquisition unit that acquires a position of at least one of a person and equipment outside a building at a construction site. Therefore, it is possible to acquire the position of at least one of the person and the equipment located outside the construction site. The position management system further includes an indoor position acquisition unit that acquires the position of at least one of a person and equipment inside a building, in addition to the outdoor position acquisition unit. Therefore, even if the GPS is not used, the indoor position acquisition unit acquires at least one of the positions of the people and the equipment in the building, and thereby obtains the position information of at least one of the people and the equipment in the building. It can be obtained with high accuracy. The position management system further includes a display control unit that displays position information of at least one of the person and the equipment, and the display control unit includes at least one of the person and the equipment acquired by the indoor position acquisition unit. The position and at least one of the position of the person and the equipment acquired by the outdoor position acquisition unit are displayed together. Therefore, the position of at least one of the person and the equipment inside the building can be displayed with high accuracy, and the position of the person and / or the equipment at a remote place outside the construction site and heading to the construction site can be displayed. Can be displayed. Therefore, it is possible to sufficiently display the position information of at least one of the person and the equipment inside and outside the building at the construction site, and to manage the position of at least one of the person and the equipment with high accuracy. .

  Further, the indoor position acquisition unit may be provided on each of the plurality of floors of the building, and the display control unit may include a floor switching unit that switches and displays each of the plurality of floors. In this case, an indoor position acquisition unit is provided on each of a plurality of floors of the building. Therefore, at least one of the position of the person and the equipment can be acquired on each of the plurality of floors, so that the position of the at least one of the person and the equipment can be displayed with higher accuracy. In addition, since the display control unit includes the floor switching unit that switches and displays the floor, at least one of the position of the person and the equipment can be displayed with high accuracy for each floor of the building.

  In addition, the indoor position acquisition unit includes a transmitter that transmits radio waves, and a receiver that receives radio waves transmitted from the transmitter, and the transmitter is attached to at least one of a person and equipment, The receiver may be mounted on a building. In this case, since many receivers are attached to the building, it is possible to reliably receive radio waves from a transmitter attached to at least one of people and equipment. Therefore, the position of at least one of the person and the equipment in the building can be obtained with higher accuracy.

  Also, the receiver may be mounted at a location adjacent to the lighting that illuminates the interior of the building. Generally, on a construction site, the lighting is arranged at a position where it does not interfere with the work. Thus, by mounting the receiver adjacent to the lighting, the receiver can be kept out of the way. Also, by connecting the power cable extending from the receiver to the power cable adjacent to the power cable extending from the lighting, power can be efficiently supplied to the receiver.

  Further, the display control unit may display an icon corresponding to at least one of the person and the equipment. In this case, since the position of at least one of the person and the equipment is displayed as an identifiable icon, at least one of the person and the equipment can be displayed in a more understandable manner. Therefore, the visibility of the position display of at least one of the person and the equipment can be improved.

  The position management method according to the present invention is a position management method for managing at least one of people and materials inside and outside a building at a construction site, and at least one of people and materials located inside a building. Installing a transmitter in a building, installing a receiver in a building, receiving a radio wave transmitted from the transmitter by the receiver, and calculating a position of the transmitter from the radio wave received by the receiver. And a step of displaying at least one of the position of the person and the equipment based on the calculated position of the transmitter, and in the displaying step, at least one of the person and the equipment inside the building. The position and / or the position of the person and / or the equipment outside the building are displayed together.

  In this position management method, a transmitter is installed in at least one of people and equipment located inside a building, and a receiver receives a radio wave from the transmitter and calculates the position of the transmitter, thereby And / or the position of at least one of the person and the equipment in the indoor of the building can be acquired. Therefore, since the position of at least one of the person and the equipment in the building can be acquired without using the GPS, the position information of at least one of the person and the equipment in the building can be acquired with high accuracy. can do. In addition, at least one of the position of the person and the equipment inside the building and the position of the at least one of the person and the equipment outside the building are both displayed. Therefore, the position of at least one of the person and the equipment inside the building can be displayed with high accuracy, and the position of the person and / or the equipment at a remote place outside the construction site and heading to the construction site can be displayed. Can be displayed. Therefore, it is possible to sufficiently display the position information of at least one of the person and the equipment inside and outside the building at the construction site, and to manage the position of at least one of the person and the equipment with high accuracy. . Furthermore, in this position management method, a transmitter is installed in at least one of a person and equipment, and a receiver is installed in a building. Therefore, many receivers can be attached to the building, and the radio wave from the transmitter can be reliably received, so that the position of at least one of the person and the equipment in the building can be acquired with higher accuracy. be able to.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to acquire the position of at least any one of the person and the equipment located inside and outside the construction site, it is possible to manage the position of at least any of the person and the equipment with high accuracy. it can.

FIG. 1 is a block diagram illustrating a position management system according to the embodiment. FIG. 2 is a diagram illustrating an example of people and equipment displayed by the position management system in FIG. 1. FIG. 3 is a diagram illustrating an example in which FIG. 2 is enlarged and information of people and equipment is displayed. FIG. 4 is a diagram schematically showing a transmitter and a receiver of the position management system of FIG. FIG. 5 is a perspective view showing an example of the arrangement of the transmitter in FIG. FIG. 6 is a perspective view showing another example of the arrangement of the transmitter in FIG. FIG. 7 is a perspective view showing an example of the arrangement of the receiver in FIG. FIG. 8 is an enlarged perspective view of the receiver of FIG. FIG. 9 is a diagram illustrating an example of a track display function of the position management system in FIG. FIG. 10 is a diagram showing another example of the track display function of the position management system of FIG. FIG. 11 is a diagram showing an example of a heat map display function of the position management system of FIG. FIG. 12 is a diagram showing an example of a parking prohibited area display function of the position management system of FIG. FIG. 13 is a diagram showing an example of a site display function of the position management system of FIG. FIG. 14 is a flowchart illustrating an example of steps of the position management method according to the embodiment.

  Hereinafter, embodiments of a position management system and a position management method according to the present invention will be described in detail with reference to the drawings. In the description of the drawings, the same or corresponding elements have the same reference characters allotted, and redundant description will not be repeated. In addition, the drawings may be partially simplified or exaggerated for ease of understanding, and the dimensional ratios and the like are not limited to those described in the drawings.

  At the construction site, it is important to properly manage people and materials including workers. In this specification, "management" indicates that the position or state of a person or equipment is to be grasped by another person. For example, the position of a person or equipment is displayed on a screen to display the position of the person or equipment. This includes making others aware of your location. At the construction site, information on people and equipment is not being converted into data.For example, it takes time to search for a foreman, or unused equipment is left underground. In some cases, people and equipment have not been properly managed.

  The position management system and the position management method according to the present embodiment can make site management at a construction site and management of people and materials more efficient, and specifically, visualize people and materials and equipment. (Visualization). That is, in the position management system and the position management method according to the present embodiment, it is possible to grasp at a glance where people and materials are located inside and outside the construction site. For example, it is easy to know whether people are gathering in a specific place, whether there are people working in dangerous places, and whether equipment is left in place. It contributes to the efficient placement of people, as well as the reduction of loss of materials and equipment and cost.

  FIG. 1 is a block diagram showing a position management system 1 according to the present embodiment. FIG. 2 is a diagram showing an example of a map G displayed on a display 30 described later of the position management system 1. As shown in FIGS. 1 and 2, the position management system 1 includes an indoor position acquisition unit 11 that acquires the positions of an indoor person M and materials and equipment E in a building C of a construction site A, and an outdoor person of the building C. The system includes an outdoor position acquisition unit 12 that acquires the positions of M and materials and equipment E, a control unit 20 that performs overall control of the position management system 1, and a display 30 that displays position information of the people M and materials and equipment E.

  The control unit 20 is provided in, for example, a server, and can communicate with the display 30. The server includes, for example, a processor (eg, CPU) that executes an operating system and application programs, a main storage unit including a ROM and a RAM, an auxiliary storage unit including a hard disk or a flash memory, and a network card. Alternatively, a communication control unit including a wireless communication module, an input device such as a keyboard or a mouse, and an output device such as a monitor are provided.

  Each functional element of the server of the control unit 20 is realized by reading predetermined software into a processor or a main storage unit and executing the software. The processor operates the above-described communication control unit, input device, or output device according to the software, and reads and writes data in the main storage unit or the auxiliary storage unit. Data or a database required for the processing of the server is stored in the main storage unit or the auxiliary storage unit. The display 30 includes a display of an information terminal such as a personal computer or a notebook computer, and a display of a mobile terminal such as a mobile phone or a tablet. In addition, the control unit 20 includes a display control unit 21 that controls the position display of the person M and the equipment E on the display 30.

  FIG. 3 shows an example of a screen W showing information on the person M and the equipment E at the construction site A displayed on the display 30 by the display control unit 21. FIG. 3 shows a map G obtained by enlarging the map G of FIG. As shown in FIGS. 1 to 3, the display control unit 21 includes the position information G1 of the person M and the equipment E acquired by the indoor position acquisition unit 11 and the person M and the person M acquired by the outdoor position acquisition unit 12. The position information G2 of the equipment E is also displayed. The scale of the position information G1, G2 of the map G can be freely changed.

  The display 30 includes a display 32 provided at the construction site A, and the display 32 is visually recognized by a person M at the construction site A. The same information as the screen W is displayed on the display 32. By arranging the display 32 on the construction site A in this way, it is possible to grasp the positions of the person M and the equipment E on the construction site A at the construction site A, and to work in a remote place remote from the construction site A. The position of the service vehicle (equipment E) and the worker (person M) can be grasped in the construction site A.

  In this specification, “display together” indicates a state in which a plurality of pieces of information can be simultaneously viewed by displaying a plurality of pieces of information on a screen, and for example, the plurality of pieces of information are displayed on the same screen. To do. “Materials” indicates materials and equipment used inside and outside the construction site A. For example, work vehicles such as aerial work vehicles, trolleys, stepladders such as standing horses, forklifts, hand pallets, assembly tables, and ladders And camera B. “Person” includes workers, foremen, and employees.

  The display control unit 21 updates the position information G1 acquired by the indoor position acquisition unit 11 and the position information G2 acquired by the outdoor position acquisition unit 12 at regular intervals (for example, 5 seconds or more and 10 seconds or less). I do. As described above, the display control unit 21 updates the position information G1 and G2 at regular time intervals and displays the positions of the person M and the equipment E in real time, so that the location of the person M and the equipment E can be seen digitally. In this way, the efficiency of management of the construction site A and the prevention of loss of the equipment E are realized.

  The display control unit 21 displays icons D1 respectively corresponding to the person M and the equipment E as the position information G1 and G2 of the person M and the equipment E. The icon D1 is an icon indicating the type of the person M and the equipment E. In the example illustrated in FIG. 3, the icons D1 include an icon of a forklift, which is a type of the material E, an icon of a trolley, which is a type of the material E, and an icon of the person M.

  The display control unit 21 further displays a table D including information on the person M and the equipment E displayed on the map G. Table D shows a column displaying an icon D1 indicating the type of the person M and the material E, a column displaying the name D2 of the person M and the material E, and an area D3 where the person M and the material E are present. And the column to be. The name D2 of the person M and the material E includes the name of the material E such as a forklift and a bogie, and the name of the person M. The area D3 indicates a floor (the number of floors) where the person M or the equipment E exists inside the building C, and indicates a previously designated place name (for example, “Tokyo”) outside the building C.

  The display control unit 21 includes a floor switching unit 22 that switches the floor of the building C to be displayed on the display 30. The floor switching unit 22 displays, for example, a floor switching button 31 capable of switching the floor to be displayed on the display 30. The floor switching buttons 31 are displayed as many as the number of floors of the building C, and correspond to the first floor (1F), the second floor (2F)... The tenth floor (10F) and the rooftop (RF) in the example of FIG. 11 floor switching buttons 31 are displayed. When the floor switching button 31 is pressed, the person M and the equipment E existing on the designated floor are displayed. As a specific example, when the floor switching button 31 of the 7F is pressed, the floor switching unit 22 switches the position information G1 to the position information of the person M and the equipment E on the 7F of the building C.

  The outdoor position acquisition unit 12 includes, for example, a GPS transmitter provided on the equipment E including a mobile terminal or a work vehicle owned by the person M. In this case, the outdoor position acquisition unit 12 acquires the self-position information of each of the person M and the equipment E by receiving a radio wave from a satellite. The outdoor position acquisition unit 12 transmits the own position information of the person M and the equipment E obtained by GPS to the control unit 20.

  Next, the indoor position acquisition unit 11 of the position management system 1 will be described with reference to FIG. As shown in FIG. 4, the indoor position acquisition unit 11 includes a transmitter 13 attached to each of the person M and the equipment E to be managed, a plurality of receivers 14 attached to a plurality of locations in the building C, A router 15 that can communicate with each of the plurality of receivers 14 is provided. The router 15 may be, for example, a Wi-Fi router attached to each floor of the building C, and the type and arrangement of the router 15 can be changed as appropriate.

  The transmitter 13 transmits, for example, radio waves at regular intervals, and the receiver 14 receives the radio waves transmitted by the transmitter 13. As an example, the three receivers 14 receive the radio waves from the transmitter 13, and the control unit 20 acquires the radio waves received by the three receivers 14 via the router 15. Then, the control unit 20 calculates the position information of the transmitter 13 from the intensity of the radio wave received by each of the three receivers 14, and uses the calculated position information of the transmitter 13 as the position of the person M or the equipment E. The display control unit 21 displays on the display 30. That is, the control unit 20 calculates the position of the person M or the equipment E by triangulation and displays the position.

  The transmitter 13 is, for example, a beacon installed in each of the person M and the equipment E. Since the transmitter 13 is a beacon, the size of the transmitter 13 and the consumption of the battery of the transmitter 13 can be reduced as compared with other transmitters. The transmitter 13 transmits, for example, identification information (ID information) capable of identifying the transmitter 13 by BLT (Bluetooth (registered trademark) Low Energy) at regular intervals.

  When the transmitter 13 is a beacon, it has only a function of transmitting identification information, so that the configuration can be simplified. The range in which the transmitter 13 can transmit radio waves is, for example, 400 m or more and 500 m or less, but can be changed as appropriate. The transmitter 13 may be a device other than a beacon, for example, a remote IC card (Integrated Circuit Card) that enables long-distance communication of several meters or more using a microwave frequency band. Or an RFID tag, as long as the identification information described above can be transmitted to the receiver 14.

  FIGS. 5 and 6 show examples of the transmitter 13 attached to the connecting assembly stand E1 and the transmitter 13 attached to the person M, which are types of the equipment E, respectively. As shown in FIG. 5, the transmitter 13 is mounted between the ribs E11 regularly arranged on the surface of the connecting assembly table E1, and is installed so as not to protrude from the connecting assembly table E1. You. By installing the transmitter 13 on a portion where the material E does not protrude or on the back side of the material E, it is possible to prevent a situation where an object collides with the transmitter 13 and the transmitter 13 comes off from the material E. It is possible.

  As shown in FIG. 6, the transmitter 13 may be attached via a clip K to an edge H1 of a helmet H worn on a person M. In this case, the transmitter 13 is attached to the edge H1 by fixing the transmitter 13 and clipping the edge H1 of the helmet H into the clip K extending from the transmitter 13. Thus, by attaching the transmitter 13 to the edge H1 of the helmet H, the transmitter 13 can be easily attached and detached, and the transmitter 13 can be kept out of the way during work or the like. .

  FIG. 7 is a diagram illustrating an example of the receiver 14 attached to the building C. FIG. 8 is an enlarged view of the receiver 14 of FIG. The receiver 14 is a device that receives a radio wave from the transmitter 13 and is attached to each floor of the building C. The receiver 14 is hung from the ceiling C3 of the building C, for example. The receiver 14 is mounted, for example, at a position adjacent to the illumination C1 that illuminates the interior of the building C.

  Specifically, the power cable 14a of the receiver 14 is connected to the power cable C2 that extends together with the power cable that supplies power to the illumination C1, and the receiver 14 is attached in a suspended state. Since the receiver 14 is mounted in a suspended state at the position adjacent to the lighting C1 in this manner, the receiver 14 can be easily attached to and detached from the building C, and the receiver 14 is not obstructed. Can be In addition, waterproof measures or dust-proof measures may be applied to the attached receiver 14.

  Further, with the construction of the building C, the receiver 14 is attached to each floor. At this time, the receiver 14 may be attached to a newly constructed floor by removing the receiver 14 from the completed floor. As described above, the installation of the plurality of receivers 14 in the building C may be changed to a new floor every time a floor is constructed. In this case, the number of receivers 14 installed in the building C can be reduced.

  As shown in FIGS. 1, 9, and 10, the display control unit 21 further includes a trajectory display unit 23 that displays the trajectory T of the person M and the equipment E that have moved for a predetermined time. The trajectory display unit 23 displays the trajectory T from the positions of the person M and the equipment E acquired by the indoor position acquisition unit 11 and the positions of the person M and the equipment E acquired by the outdoor position acquisition unit 12. The trajectory display unit 23 may, for example, display the trajectory T of the designated person M and the equipment E, or may display the trajectory T of all the displayed persons M and the equipment E. In this way, by displaying the trajectory T of the person M and the equipment E inside and outside the construction site A on the display 30, whether the person M and the equipment E are moving properly, and the equipment E is properly used It can be grasped whether or not it has been performed.

  As shown in FIGS. 1 and 11, the display control unit 21 further includes a heat map display unit 24 that displays a heat map P indicating the ease of gathering of the person M and the equipment E. The heat map display unit 24 displays, for example, the easiness of gathering of the people M and the equipment E in each part of the construction site A on the display 30 by a change in color. In the example shown in FIG. 11, the darker the color, the more likely the person M and the equipment E are to gather, and the lighter the color, the less the person M and the material E are likely to gather. In this way, the heat map display unit 24 displays the ease of gathering of the people M and the materials and equipment E on the heat map P, so that it is possible to easily grasp the places where the people M and the materials and equipment E are easily gathered.

  As shown in FIGS. 1 and 12, the display control unit 21 further includes a parking prohibited area display unit 25 that displays a preset parking prohibited area R on the display 30. The parking prohibited area display unit 25 displays the parking prohibited area R superimposed on the position information G2 of the person M and the equipment E displayed by the display control unit 21.

  Further, the control unit 20 includes a parking prohibition determination unit 27 that determines whether the work vehicle is parked in the parking prohibition region R for a predetermined time or more. The parking prohibition determination unit 27 determines whether there is a working vehicle V that has been parked in the parking prohibition region R for a certain period of time or more, among a plurality of working vehicles V displayed on the display 30.

  The parking prohibition determination unit 27 issues a warning when it is determined that the work vehicle V that has been parked in the parking prohibition region R for a predetermined time or more exists. The parking prohibition determination unit 27 may output the alert display D4 on the display 30 or may output a sound as the warning. Further, the parking prohibition determination unit 27 may transmit an e-mail to the portable terminal of the user of the work vehicle V as the warning. In this way, the parking prohibition determination unit 27 issues a warning, so that the parking of the work vehicle V in the parking prohibition area R can be prohibited.

  As shown in FIGS. 1 and 13, the display control unit 21 includes a site display unit 26 that displays a real-time image F of the construction site A. A plurality of cameras B are arranged in the construction site A, and the site display unit 26 displays a real-time image F of the construction site A captured by the camera B on the display 30. The camera B is, for example, an omnidirectional network camera and captures images in a 360 ° direction. In this manner, the construction site A can be directly visually recognized by displaying the real-time images F of the plurality of cameras B by the site display unit 26.

  Further, the control unit 20 may include an arrival time prediction unit 28 that predicts the arrival time of the work vehicle V at the construction site A. The arrival time prediction unit 28 predicts the time at which the work vehicle V arrives at the construction site A from the position and time of the work vehicle V acquired by the outdoor position acquisition unit 12, for example. The arrival time prediction unit 28 displays the predicted arrival time of the work vehicle V on the display 30. As described above, the arrival time predicting unit 28 predicts and displays the arrival time of the work vehicle V, thereby enabling the worker or the like at the construction site A to know the predicted arrival time of the work vehicle V. .

  Next, a position management method according to the present embodiment will be described with reference to the flowchart in FIG. Hereinafter, a method of managing the people M and the equipment E inside and outside the building C using the position management system 1 will be described. First, the transmitter 13 is installed on the person M and the equipment E (step S1). For example, the transmitter 13 is attached to a portion of the equipment E that does not protrude or the back side of the equipment E, and the transmitter 13 is attached to the edge H1 of the helmet H of the person M by the clip K.

  Further, a plurality of receivers 14 are attached to each floor of the building C (step S2). For example, the receiver 14 is installed in the building C by suspending the receiver 14 from the ceiling C3 of the building C at a position adjacent to the lighting C1 and connecting the power cable 14a of the receiver 14 to the power cable C2. Note that the installation of the transmitter 13 in step S1 and the installation of the receiver 14 in step S2 may be performed, for example, simultaneously, and the order of step S1 and step S2 is not particularly limited.

  After the installation of the transmitter 13 and the installation of the receiver 14 are completed, a person M performs various operations at the construction site A using the materials and equipment E. For example, at the construction site A, construction work for building a building C by a plurality of persons M is performed. At this time, a radio wave is transmitted from the transmitter 13 attached to each of the person M and the equipment E (step S3), and the plurality of receivers 14 receive the radio wave (step S4).

  Radio waves from the transmitter 13 received by each of the plurality of receivers 14 are output to the control unit 20 via the router 15. The control unit 20 calculates the position information of the transmitter 13 from the intensity of the radio wave from the transmitter 13 received by each of the plurality of receivers 14 (Step S5). After the position information of the transmitter 13 is calculated by the control unit 20, the display control unit 21 displays the positions of the person M and the equipment E based on the calculated position information on the display 30 as the icon D1 (step S6). . Steps S3 to S6 are repeated at regular intervals (for example, every 5 to 10 seconds), and the positions of the person M and the equipment E are updated at regular intervals. Thereafter, a series of steps is completed.

  Next, the operation and effect obtained from the position management system 1 and the position management method according to the present embodiment will be described in detail. As shown in FIG. 1 and FIG. 2, the position management system 1 and the position management method include an outdoor position acquisition unit 12 that acquires the positions of the people M and the equipment E outside the building C of the construction site A. Therefore, the positions of the person M and the equipment E located outside the construction site A can be acquired. The position management system 1 includes an indoor position acquisition unit 11 that acquires the positions of the person M and the equipment E inside the building C, in addition to the outdoor position acquisition unit 12. Therefore, even if the GPS is not used, the indoor position acquisition unit 11 acquires the indoor person M and the equipment E so that the positional information of the person M and the equipment E existing inside the building C is acquired with high accuracy. can do.

  Further, the position management system 1 includes a display control unit 21 for displaying position information of the person M and the equipment E, and the display control unit 21 includes the person M and the equipment E acquired by the indoor position acquisition unit 11. Are displayed together with the position of the person M and the equipment E acquired by the outdoor position acquisition unit 12. Therefore, the position of the person M and the equipment E inside the building C can be displayed with high accuracy, and the position of the person M and the equipment E going to the construction site A in a remote place outside the construction site A can be determined. Can be displayed. Therefore, the position information of the person M and the equipment E inside and outside the building C of the construction site A can be sufficiently displayed, and the positions of the person M and the equipment E can be managed with high accuracy.

  In addition, the indoor position acquisition unit 11 is provided on each of a plurality of floors of the building C, and as shown in FIGS. 1 and 3, the display control unit 21 switches and displays each of the plurality of floors. It has a part 22. The indoor position acquisition unit 11 is provided on each of the plurality of floors of the building C, and the positions of the person M and the equipment E can be acquired on each of the plurality of floors. It can be displayed with higher accuracy. Further, since the display control unit 21 includes the floor switching unit 22 that switches and displays the floor, the position of the person M and the equipment E can be displayed for each floor of the building C.

  Further, as shown in FIG. 4, the indoor position acquisition unit 11 includes a transmitter 13 that transmits a radio wave, and a receiver 14 that receives a radio wave transmitted from the transmitter 13. Is attached to the person M and the equipment E, and the receiver 14 is attached to the building C. Therefore, since many receivers 14 are attached to the building C, the radio waves from the transmitter 13 attached to the person M and the equipment E can be reliably received. Therefore, the position of the person M and the equipment E inside the building C can be acquired with high accuracy.

  Further, as shown in FIG. 7, the receiver 14 is mounted at a position adjacent to the illumination C1 that illuminates the interior of the building C. Generally, at the construction site A, the lighting C1 is arranged at a position where it does not interfere with the work. Therefore, by mounting the receiver 14 at a position adjacent to the illumination C1, the receiver 14 can be prevented from obstructing the work. Further, by connecting the power cable 14a extending from the receiver 14 to the power cable C2 extending along the power cable extending from the illumination C1, power can be efficiently supplied to the receiver 14.

  As shown in FIG. 3, the display control unit 21 displays icons D1 corresponding to the person M and the equipment E, respectively. Therefore, since the positions of the person M and the equipment E are displayed as the icons D1 that can identify the person M and the equipment E, the person M and the equipment E can be displayed more easily. Therefore, the visibility of the position display of the person M and the equipment E can be improved.

  As described above, the embodiments of the position management system and the position management method according to the present invention have been described. However, the present invention is not limited to the above-described embodiments, and may be modified without departing from the gist of each claim. Or applied to other things. That is, the configuration of each part of the position management system and the contents and order of each step of the position management method can be variously modified without changing the gist of each claim.

  For example, in the above-described embodiment, the indoor position acquisition unit 11 acquires the positions of the indoor person M and the equipment E using the transmitter 13 and the receiver 14, and the outdoor position acquisition unit 12 acquires the person M using the GPS. And the example which acquires the position of the equipment E was demonstrated. However, the method by which the indoor position acquiring unit and the outdoor position acquiring unit acquire the positions of the person M and the equipment E is not limited to the above example, and can be appropriately changed. For example, the outdoor position obtaining unit may obtain the positions of the outdoor person M and the equipment E using the transmitter and the receiver. As described above, the technology used by the indoor position acquisition unit 11 and the technology used by the outdoor position acquisition unit 12 may be the same or different from each other.

  In the above-described embodiment, an example has been described in which the receiver 14 is installed so as to be suspended from the ceiling C3 at a position adjacent to the illumination C1. However, the installation location, installation means, installation method, and installation mode of the receiver 14 in the building C can be appropriately changed. The installation location, installation means, installation method, and installation mode of the transmitter 13 with respect to the person M and the equipment E can be appropriately changed.

  In the above-described embodiment, the display control unit 21 including the floor switching unit 22, the trajectory display unit 23, the heat map display unit 24, the parking prohibited area display unit 25, and the site display unit 26; The control unit 20 including the arrival time prediction unit 28 has been described. However, in the display control unit, at least one of the functions of the floor switching unit 22, the trajectory display unit 23, the heat map display unit 24, the parking prohibited area display unit 25, and the site display unit 26 may be omitted. Then, at least one of the parking prohibition determination unit 27 and the arrival time prediction unit 28 may be omitted. Thus, the configuration of the control unit can be changed as appropriate.

  In the above-described embodiment, an example in which the icon D1, the name D2, and the area D3 are displayed as the table D on the display 30 has been described. However, the information of the table displayed on the display 30 can be changed as appropriate, and the content of the information displayed on the display 30 and the layout of the display on the display 30 can also be changed as appropriate.

  In the above-described embodiment, the construction site A where the building C is constructed has been described. However, the position management system and the position management method according to the present invention are also applicable to a construction site where the building C is not constructed. That is, the type of construction site to which the position management system and the position management method according to the present invention are applied can be appropriately changed.

  In the above-described embodiment, the position management system 1 that manages the person M and the equipment E has been described. However, the position management system and the position management method according to the present invention may manage only people or may manage only materials and equipment. That is, the display control unit may display only the position of the person or may display only the position of the equipment.

DESCRIPTION OF SYMBOLS 1 ... Position management system, 11 ... Indoor position acquisition part, 12 ... Outdoor position acquisition part, 13 ... Transmitter, 14 ... Receiver, 14a ... Power cable, 15 ... Router, 20 ... Control part, 21 ... Display control part, 22: floor switching unit, 23: locus display unit, 24: heat map display unit, 25: parking prohibited area display unit, 26: site display unit, 27: parking prohibition determination unit, 28: arrival time prediction unit, 30: display Container, 31: floor switching button, 32: display, A: construction site, B: camera, C: building, C1: lighting, C2: power cable, C3: ceiling, D: table, D1: icon, D2: name, D3: Area, D4: Alert display, E: Equipment and equipment, E1: Connectable assembly table, E11: Rib, F: Real-time image, G: Map, G1, G2: Position information, H: Helmet, H1: Edge, K… Clip, M People, P ... heat map, R ...-parking area, T ... trajectory, V ... work vehicle, W ... screen.

Claims (6)

A position management system that manages the position of at least one of people and equipment inside and outside a building at a construction site,
An indoor position acquisition unit that acquires the position of at least one of the person and the equipment in the building.
An outdoor position acquisition unit that acquires the position of at least one of the person and the equipment in the outdoors of the building,
A display control unit that displays both the position of at least one of the person and the equipment acquired by the indoor position acquisition unit and at least one of the position of the person and the equipment acquired by the outdoor position acquisition unit. When,
Position management system equipped with. The indoor position acquisition unit is provided on each of a plurality of floors of the building,
The display control unit includes a floor switching unit that switches and displays each of the plurality of floors.
The position management system according to claim 1. The indoor position acquisition unit includes a transmitter that transmits radio waves, and a receiver that receives radio waves transmitted from the transmitter,
The transmitter is attached to the person and / or the equipment, and the receiver is attached to the building.
The position management system according to claim 1. The receiver is mounted at a location adjacent to lighting that illuminates the interior of the building.
The position management system according to claim 3. The display control unit displays an icon corresponding to at least one of the person and the equipment,
The position management system according to claim 1. A position management method for managing the position of at least one of a person and equipment inside and outside a building at a construction site,
Installing a transmitter on at least one of people and equipment located inside the building,
Installing a receiver in the building;
Receiving a radio wave transmitted from the transmitter by a receiver,
Calculating the position of the transmitter from the radio waves received by the receiver,
Displaying at least one of the position of the person and the equipment based on the calculated position of the transmitter;
With
In the displaying step, at least one position of the person and the equipment inside the building, and at least one position of the person and the equipment outside the building are displayed together.
Location management method.