JP6365150B2 - Construction site management system, - Google Patents

Description

  The present invention relates to a construction site management system.

  IC tags are attached to workers working on construction sites and work vehicles and machines used on construction sites, and IC tag readers are installed in each space of the construction site or its entrance / exit so that workers and work on the construction site A system for managing movement of a car, a machine, or the like is known (see, for example, Patent Document 1).

JP 2005-326965 A

  At the construction site of a high-rise building, there was a waste of electric power because the floor where the worker was located was not managed and the lighting was turned on even when the worker was absent. Here, it is conceivable to manage the floor of the worker using the system described in the above-mentioned Patent Document 1, but since the movement route of the worker in the high-rise building under construction is diverse, It is difficult to manage access to each floor. In addition, it may be possible to detect the presence or absence of workers on each floor using human sensors. It takes time and effort.

  The present invention has been made in view of the above circumstances, and provides a system that does not require the labor of operation for grasping a floor where a person or an object is located and managing lighting on / off at a construction site. is there.

  A construction site management system according to the present invention is a barometric sensor that measures the atmospheric pressure and outputs measurement data that is held by a person existing at a construction site of a multi-storey building, and is output from the atmospheric pressure sensor. A wireless transmitter for transmitting the measurement data, a wireless receiver for receiving the measurement data transmitted from the wireless transmitter, and a reference height of the construction site are installed, and an atmospheric pressure at the reference height is measured. Based on the reference pressure sensor that outputs the measurement data, the measurement data received by the wireless receiver, and the measurement data output from the reference pressure sensor, the floor of the person existing at the construction site is obtained. A calculation unit, and an illumination control unit that turns on illumination only for the floor located by the calculation unit.

  In the construction site management system, the atmospheric pressure sensor and the wireless transmitter may be attached to a helmet worn by a person.

  ADVANTAGE OF THE INVENTION According to this invention, the system which does not require the effort of the operation | work for grasping | ascertaining the floor where a person or an object is located in a construction site and managing lighting on / off can be provided.

It is a figure which shows the construction site management system which concerns on one Embodiment. It is a block diagram which shows schematic structure of a transmitter. It is a block diagram which shows schematic structure of a management server. It is a figure which shows the construction site management system which concerns on a reference example. It is a block diagram which shows schematic structure of a management server.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating a construction site management system 10 according to an embodiment. As shown in this figure, the construction site management system 10 is a system that manages the turning on / off of the temporary lighting 1 installed on each floor of the high-rise building under construction and the location of the worker 2.

  The construction site management system 10 is installed on each floor of a high-rise building under construction, a transmitter 20 attached to a resin helmet 3 worn by a worker 2, a reference pressure sensor 12 installed on the ground floor, and A distribution board 14 for illumination, a main receiver 16 and a relay receiver 18, a control panel 30 for controlling the illumination 1, and a management server 40 are provided.

  The reference atmospheric pressure sensor 12 is connected to the control panel 30 and measures the absolute pressure (reference atmospheric pressure P0) on the ground floor and outputs the measurement data to the control panel 30. In addition, the distribution board 14 for lighting on each floor is connected to the control panel 30 and turns on / off the lighting 1 on each floor in accordance with the on / off control signal transmitted from the control panel 30.

  The transmitter 20, the main receiver 16, and the relay receiver 18 constitute a wireless communication system, and data transmitted from the transmitter 20 is relayed by the relay receiver 18 or directly received by the main receiver. Is received by the machine 16. The main receiver 16 is connected to the control panel 30 and transmits received data to the control panel 30.

  Here, in the present embodiment, the target is a high-rise building under construction, and each floor has a large area, and there are many partitions on each floor. In such a situation, it is necessary to perform wireless communication well. Therefore, in the present embodiment, a 920 MHz band wireless communication system is employed.

  FIG. 2 is a block diagram illustrating a schematic configuration of the transmitter 20. As shown in this figure, the transmitter 20 includes a wireless chip 22, a battery 23, and an atmospheric pressure sensor 24. These are mounted on a substrate and stored in a case. In this embodiment, the wireless chip 22 is a 920 MHz band wireless communication module, and transmits a pre-assigned ID and measurement data of the atmospheric pressure sensor 24 to the relay receiver (FM) 18 or the main receiver (FS) 16. As the wireless chip, for example, RM-924 (compliant with IEEE802.15.4g / e) manufactured by RL LINK Co., Ltd., RM-920 manufactured by the same company (proprietary communication standard) or the like can be adopted. The battery 23 is a button battery or the like and serves as a power source for the wireless chip 22 and the atmospheric pressure sensor 24.

  The atmospheric pressure sensor 24 is a small absolute pressure sensor, and for example, LPS25H manufactured by ST-MICRO, 2SMPB-01 manufactured by OMRON, or SCP1000 manufactured by VTI TECHNOLOGIES can be used. Here, the atmospheric pressure sensor 24 has a built-in temperature sensor and outputs temperature measurement data (air temperature T) together with atmospheric pressure measurement data (atmospheric pressure P1).

  The control panel 30 includes a control circuit and a power circuit. The control circuit of the control panel 30 is based on the measurement data of the atmospheric pressure P1 and the temperature T transmitted from the main receiver 16 and the measurement data of the reference atmospheric pressure P0 output from the reference atmospheric pressure sensor 12. Find the floor N. The control circuit of the control panel 30 operates the power circuit switch and inverter so that the lighting 1 of the floor N where the worker 2 is located is turned on, and the lighting 1 of the floor where the worker 2 is not turned off. Let

  The control circuit of the control panel 30 determines the difference between the atmospheric pressure P1 and the reference atmospheric pressure P0 (differential pressure (P0−P1)) and the floor of the atmospheric pressure sensor 24 that measures the atmospheric pressure P1 (that is, the floor of the worker 2) N. Relationship information such as a map and an arithmetic expression indicating the relationship is stored. In the relationship information, both are associated with each other so that the location floor N increases as the differential pressure (P0-P1) increases.

  The control circuit of the control panel 30 stores correction information such as a map and an arithmetic expression for correcting the atmospheric pressure P1 and the reference atmospheric pressure P0 according to the temperature T. In the correction information, for example, when the temperature T is higher than a reference value (for example, 20 ° C.) T0, the pressure P1 and the reference pressure P0 are corrected to a value lower than the actual measurement value according to the difference. On the other hand, when the temperature T is lower than the reference value T0, the atmospheric pressure P1 and the reference atmospheric pressure P0 are corrected to a value higher than the actual measurement value according to the difference.

  Based on the correction information, the control circuit of the control panel 30 corrects the atmospheric pressure P1 and the reference atmospheric pressure P0 according to the temperature T, and the difference between the corrected atmospheric pressure P1 and the reference atmospheric pressure P0 (differential pressure (P0−P1)). The location floor N corresponding to is obtained based on the relation information.

  FIG. 3 is a block diagram illustrating a schematic configuration of the management server 40. As shown in this figure, the management server 40 includes a data reception unit 42, a calculation unit 44, a data management unit 46, a database (DB) 48, and a display control unit 50. The data receiver 42 receives the ID transmitted from the main receiver 16, the measurement data of the atmospheric pressure P 1 and the temperature T, and the measurement data of the reference atmospheric pressure P 0 output from the reference atmospheric pressure sensor 12.

  The calculation unit 44 calculates the floor N where the worker 2 is located in the same manner as the control circuit of the control panel 30. The data management unit 46 stores the floor N of the worker 2 calculated by the calculation unit 44 in the DB 48 in association with the ID. The display control unit 50 displays the ID and location floor of the worker 2 stored in the DB 48 on a monitor or the like.

  As described above, the construction site management system 10 according to the present embodiment is held by the worker 2 present in the high-rise building under construction, measures the atmospheric pressure, and outputs the measurement data. A wireless chip 22 that transmits measurement data output from the atmospheric pressure sensor 24, a main receiver 16 that receives measurement data transmitted from the wireless chip 22, and a reference height of the high-rise building under construction. The reference atmospheric pressure sensor 12 that is installed in the installation, measures the atmospheric pressure at the reference height and outputs the measurement data, the measurement data of the atmospheric pressure P1 received by the main receiver 16, and the reference atmospheric pressure sensor 12 outputs the measurement data. A control panel 30 is provided that determines the location floor N of the worker 2 based on the measurement data of the reference atmospheric pressure P0, and turns on the illumination 1 only for the determined location floor N.

  That is, in the construction site management system 10 according to the present embodiment, a wireless communication system is constructed in a high-rise building under construction, and the wireless chip 22 and the atmospheric pressure sensor 24 are held by the worker 2, whereby the worker 2 Regardless of the route used to enter or exit the work floor, the floor N of the worker 2 can be grasped. In addition, the system can be operated without the need for a sensor replacement work performed when a human sensor is installed.

  In the construction site management system 10 according to this embodiment, the control panel 30 obtains the floor N of the worker 2 and turns on the lighting 1 of the floor N of the worker 2 while the worker 2 is absent. By turning off the lighting 1 on the first floor, power consumption can be reduced without requiring artificial management of turning on / off the lighting 1.

  In the construction site management system 10 according to the present embodiment, the management server 40 stores the ID of the worker 2 and the location floor N in association with each other in the DB 48. As a result, it is possible to grasp the floor on which the worker 2 identified by the ID is working, and to easily check the staffing situation and the construction progress.

  In the construction site management system 10 according to the present embodiment, the transmitter 20 having the wireless chip 22 and the atmospheric pressure sensor 24 is attached to the resin helmet 3 worn by the worker 2. As a result, the influence of moisture in the body of the worker 2 can be prevented from reaching the radio waves, and wireless communication can be performed satisfactorily.

  FIG. 4 is a diagram illustrating a construction site management system 100 according to a reference example. As shown in this figure, the construction site management system 100 is a system for grasping the location floor of an aerial work vehicle 4 used in a high-rise building under construction. In addition, the same code | symbol is attached | subjected to the structure similar to the above-mentioned embodiment, and description is abbreviate | omitted.

  The construction site management system 100 includes a transmitter 20 attached to an aerial work vehicle 4, a reference atmospheric pressure sensor 12 installed on the ground floor, a main receiver 16 and a relay installed on each floor of a high-rise building under construction. A receiver 18 and a management server 110 are provided.

  The reference atmospheric pressure sensor 12 is connected to the management server 110, measures the reference atmospheric pressure P0, and outputs measurement data to the management server 110. The transmitter 20, the main receiver 16, and the relay receiver 18 constitute a wireless communication system, and data transmitted from the transmitter 20 is relayed by the relay receiver 18 or directly received by the main receiver. Is received by the machine 16. Here, the transmitter 20 transmits the ID assigned in advance and the measurement data of the atmospheric pressure P1 output from the atmospheric pressure sensor 24. The main receiver 16 is connected to the control panel 30 and transmits the received data to the management server 110.

  FIG. 5 is a block diagram illustrating a schematic configuration of the management server 110. As shown in this figure, the management server 110 includes a data reception unit 112, a calculation unit 114, a data management unit 116, a database (DB) 118, and a display control unit 120. The data receiving unit 112 receives the measurement data and ID of the atmospheric pressure P1 transmitted from the main receiver 16 and the measurement data of the reference atmospheric pressure P0 output from the reference atmospheric pressure sensor 12.

  The calculation unit 114 is related to the differential pressure (P0−P1) between the atmospheric pressure P1 and the reference atmospheric pressure P0, the temperature T, and the floor N of the atmospheric pressure sensor 24 that measured the atmospheric pressure P1 (that is, the floor where the worker 2 is located) N. Related information such as a map indicating the above and a calculation formula is stored. On the other hand, the calculation unit 114 always receives the measurement data output from the atmospheric pressure sensor 24 and the reference atmospheric pressure sensor 12 and the ID transmitted from the wireless chip 22, and always receives the received measurement data and the relation information. Therefore, the location floor N of the aerial work vehicle 4 to which the ID is assigned is obtained.

  The data management unit 116 stores the location floor N of the aerial work vehicle 4 calculated by the calculation unit 114 in the DB 118 in association with the ID. The display control unit 120 displays the ID and location floor N of the aerial work vehicle 4 stored in the DB 118 on a monitor or the like.

  That is, in the construction site management system 100 according to the present reference example, a wireless communication system is constructed in a high-rise building under construction, and the wireless work chip 4 and the atmospheric pressure sensor 24 are held in the aerial work vehicle 4. Regardless of the route on which the work vehicle 4 is carried into or out of the work floor, the location floor N of the aerial work vehicle 4 can be grasped. In addition, the system can be operated without the need for the work of replacing the sensors performed when the human sensor is installed.

  In the construction site management system 100 according to this embodiment, the management server 110 stores the ID of the aerial work vehicle 4 and the location floor N in association with each other in the DB 118. Thereby, the location floor N of the aerial work vehicle 4 identified by the ID can be grasped, and the usage status of the aerial work vehicle 4 can be easily confirmed. Accordingly, it is possible to reduce lease and rental costs by returning the aerial work vehicle 4 if its usage rate is low.

  In addition, the above-mentioned embodiment is for making an understanding of this invention easy, and does not limit this invention. It goes without saying that the present invention can be changed and improved without departing from the gist thereof, and that the present invention includes equivalents thereof. For example, in the above-described embodiment, the reference atmospheric pressure sensor 12 is installed on the ground floor and the atmospheric pressure on the ground floor is set as the reference atmospheric pressure P0. However, the reference atmospheric pressure sensor 12 is installed on the intermediate floor or the underground floor, and the intermediate floor or the underground floor is used. The atmospheric pressure may be the reference atmospheric pressure P0.

  In the above-described embodiment, the wireless communication system of 920 MHz band is adopted, but the frequency may be set as appropriate according to the situation of the construction site. In the above-described embodiment, the control panel 30 and the management server 40 are provided separately, and the distribution board 14 is controlled by the control panel 30. However, the management server 40 controls the distribution board 14. May be adopted.

  In the above-described embodiment, the communication between the main receiver 16 on the upper floor and the main receiver 16 on the lower floor is wireless communication. However, the communication may be performed in a wired manner when the communication state is bad. Furthermore, in the above-described embodiment, the reference atmospheric pressure sensor 12 is installed on a predetermined floor. However, when the reference pressure P0 needs to be measured at multiple points, the reference atmospheric pressure sensor 12 is placed on a plurality of floors. In this case, the reference atmospheric pressure sensor 12 may be built in the main receiver 16.

  Further, in the above-described reference example, the present invention has been described by taking the system for managing the aerial work vehicle 4 as an example. However, the operation of other equipment used at a construction site such as a mobile crane, a forklift, a hydraulic excavator, etc. The present invention can also be applied to a system for managing the situation.

DESCRIPTION OF SYMBOLS 1 Illumination, 2 worker, 3 helmet, 4 aerial work platform, 10 construction site management system, 12 reference barometric pressure sensor, 14 distribution board, 16 main receiver, 18 relay receiver, 20 transmitter, 21 board, 22 Wireless chip, 23 battery, 24 barometric pressure sensor, 25 case, 30 control panel, 40 management server, 42 data receiving unit, 44 calculation unit, 46 data management unit, 48 DB, 50 display control unit, 100 construction site management system, 110 Management server, 112 data reception unit, 114 calculation unit, 116 data management unit, 118 DB, 120 display control unit

Claims (2)

A pressure sensor that measures the atmospheric pressure and outputs measurement data held by a person existing at the construction site of a multi-storey building, and a radio transmitter that transmits the measurement data output from the pressure sensor; ,
A wireless receiver for receiving the measurement data transmitted from the wireless transmitter;
A reference pressure sensor that is installed at a reference height of the construction site, measures the pressure of the reference height, and outputs measurement data;
A calculation unit for obtaining a floor of a person existing at the construction site based on the measurement data received by the wireless receiver and the measurement data output from the reference pressure sensor;
A construction site management system comprising: an illumination control unit that turns on illumination only on the floor located by the arithmetic unit.   2. The construction site management system according to claim 1, wherein the atmospheric pressure sensor and the wireless transmitter are attached to a helmet worn by a person.

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