JP3005605B2 - Site management system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a site management system, and more particularly, to the progress of construction at sites scattered around the construction site, stock sites for materials and equipment, product sales sites, and the like. The present invention relates to a site management system for managing various site conditions such as the procurement status of materials and products and the occurrence status of abnormal situations.

[0002]

2. Description of the Related Art For example, construction sites provided when constructing various structures, such as tunnels, dams, bridges, and high-rise buildings, on the ground or in the ground, are constructed on a factory floor. It is not based on production, but is constructed by excavating in the ground or casting concrete or assembling steel materials in the original position, so depending on the area where such structures are needed They will be scattered around the country.

[0003] Therefore, such a construction site is very rarely provided in an area close to the head office or branch office of a construction company and in which the construction status and the like are easily managed, and is provided in a depopulated area such as a mountainous area or a coastal area. In some cases, it is located in an area where it is difficult to secure a site for stocking materials and equipment, such as the center of a city.

[0004] In addition, manufacturers of various machines used for construction and materials and materials of a quality and standard suitable for the construction conditions of the construction, for example, materials such as sand and crushed stone having a predetermined quality or a predetermined shape. Production sites and plants for supplying materials such as processed steel are often located far from construction sites, and these necessary materials and equipment are delivered from such distant manufacturers and material suppliers. Is usually the case.

[0005] In order to manage the construction status at each of the construction sites scattered in these places, it is difficult to manage the construction status collectively at the head office or branch office of the construction company due to geographical restrictions or the like. In the past, various construction statuses such as the progress of construction, the procurement status of materials and equipment, and the occurrence of abnormal situations were managed for each construction site, and site supervisors and equivalent workers collected them. Based on the processed work information, for example, construction progress information, consumption information of each material, maintenance information of construction machinery, etc., it is processed into information necessary for repair of construction machinery and procurement of materials, etc. Information is sent via telephone or facsimile, etc. to the headquarters or branch office of the construction company,
The method used was to contact relevant departments such as contractors, construction machine manufacturers, and construction material suppliers.

[0006]

However, in the system for managing the construction status for each construction site, the information from the construction site is collected by a site supervisor or the like, and the information is communicated to related departments. Because it takes a lot of time to process the instruction data and report data suitable for the information, it is no longer real-time information,
Immediately responds to ever-changing natural and construction conditions, such as the geology of the ground, the presence or absence of groundwater, the weather and waves, even if you try to take measures according to the construction situation based only on information from such construction sites As a result, it may be difficult to perform the work efficiently while selecting the optimum construction method and the material to be used.

[0007] In addition, when only information from the construction site is used, delays in information transmission, omission of information collection, and the like cause stoppage of work due to running out of necessary material, transportation of unnecessary material, and In some cases, stagnation of work due to inadequate maintenance may make it difficult to achieve reasonable construction progress.

On the other hand, with the progress of construction machines, many parts of the construction are being automated. With the automation of such construction machines, the construction machines often easily report unexpected failures or abnormal situations. However, according to the conventional management method for each construction site, after a site supervisor or the like recognizes such an abnormal signal, it is indirectly transmitted to related places via communication means such as a telephone or a facsimile. Since the notification has been made, the transmission of information may be significantly delayed, or the notification to necessary departments may be delayed, which may significantly disrupt the work.

As another example, for example, in thermal power plants scattered all over the country, conventionally, the amount of coal ash remaining in a silo and the amount of such coal ash are reduced for each thermal power plant as a work site. Although the operation of boilers, classifiers, dehydrators, etc. was controlled, the site conditions at such thermal power plants scattered all over the country can be monitored by branch offices such as the Electric Power Headquarters, the Thermal Power Center, and the Technology Center. In such a case, if it can be managed in real time, it is considered that coal ash can be operated more efficiently.

Further, as another example, for example, in a vending machine as a vending machine which is provided scattered in various places, conventionally, a delivery staff stops at the vending machine and checks the stock status inside the vending machine. Was performing replenishment work, etc.
In this way, information on missing items cannot be obtained until the staff confirms, and it is difficult for the staff to constantly monitor the vending machine, so accurate inventory information can be obtained quickly and efficient replenishment. Not only is it difficult to establish a route, but also because it is an ad hoc inventory management, it has been difficult to accurately grasp information on hot-selling products.

Therefore, the present invention has been made in view of these conventional problems, and is intended for use in a site, which is scattered and provided in various places such as a construction site, a stock site for materials and equipment, and a product sales site. Not only at the work site, but also at related offices such as the head office, branch offices, contractors and carriers, the progress of construction, the procurement of materials and products, the occurrence of abnormal situations, etc. It can be easily obtained in real time as on-site information,
It is an object of the present invention to provide a site management system capable of efficiently managing these sites.

[0012]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and its gist is scattered in various places such as a construction site, a stocking site for materials and equipment, and a product sales site. A site management system for managing various site conditions, such as the progress of construction, the procurement status of materials and products, and the occurrence of abnormal situations, at site sites that have been established. A terminal, a host center connected to the site user terminal via a communication network,
Connected to the host center via the communication network,
It consists of related user terminals installed in related sales offices, and obtains site information transferred from the site user terminals to the host center by the related user terminals installed in the related business offices. These related sales offices also have a site management system that manages the site conditions in real time.

Another aspect of the present invention relates to the progress of construction, the procurement of materials and equipment, the occurrence of abnormal situations, and the like at construction sites scattered around the country to carry out construction works. A site management system for a construction site for managing various construction situations, comprising: a site user terminal installed at the construction site; a host center connected to the site user terminal via a communication network; Connected to the host center via a network, the headquarters of a construction company, branch offices, contractors, construction machine manufacturers, related user terminals installed in related sales offices such as material suppliers, the site comprises The work information at the construction site, such as construction progress information, material consumption information, construction machine maintenance information, etc., transferred from the user terminal to the host center, is transmitted to the related user terminal installed at the related sales office. Ri to obtain, in the construction site site management system, characterized in that it also manages the construction status of the construction site in real-time in these related sales offices as well as the construction site only.

Here, the construction site management system connects the site user terminal to a site construction management system that automatically manages construction machines and the like, and reports the construction status managed by the management system to the communication network. It is preferable that the information is transferred to the host center via the Internet.

A facsimile server may be provided in the host center, and an instruction document set in advance according to the construction status may be transferred to a facsimile machine provided in a construction site and a related sales office. .

Still another aspect of the present invention is to manage various on-site conditions, such as a coal ash storage status, a shipping status, and an abnormal occurrence status, in thermal power plants scattered around the country. A site management system for coal ash, a site user terminal installed at each thermal power plant, a host center connected to the site user terminal via a communication network, and the Coupling in each silo, which is connected to the host center and includes related user terminals installed in related business offices such as a power headquarters, a branch office, and a coal ash importer, and transferred from the on-site user terminal to the host center. Obtain on-site information such as residual ash information, equipment operation information or maintenance information from the relevant user terminals installed at the relevant sales offices, In situ management system for coal ash, which comprises managing the site status in real time even in the establishments.

Still another object of the present invention is to provide a vending machine as a vending machine for selling products, which is scattered in various places, such as various kinds of site conditions such as inventory information and sales information. A site management system for product sales for managing a vending machine, a site user terminal installed in each vending machine, a host center connected to the site user terminal via a communication network, and The host
Each vending machine connected to the center and comprising related user terminals installed in related sales offices such as the head office, branch office, or distribution center of the product distributor, and transferred from the on-site user terminal to the host center. Obtain on-site information such as residual information of products, hot selling information or maintenance information in the related user terminal installed in the related sales office, not only in the installation location of each vending machine but also in these related sales offices An on-site management system for product sales characterized by managing on-site conditions in real time.

In each of the above-mentioned inventions, the communication network constituting the site management system includes data and image information stored in a computer or the like using a telephone line or a dedicated line.
It is preferable to use a so-called Videotex communication network that outputs via an information terminal, but if it is a communication means that covers a predetermined area, various public communication networks and private communication networks, as well as satellite communication networks, etc. Can be used.

According to the management system of the present invention, information for managing various site conditions, such as the progress of construction, the procurement of materials and products, and the occurrence of abnormal situations, is installed at each site. For example, the information is transferred as real-time information from the local user terminal to the host center via the communication network at predetermined time intervals. The host center includes, for example, a database server configured as a LAN and storing various databases, a center server having a BBS (electronic bulletin board system) function of a communication center, and the like, and stores the transferred information from the on-site user terminal or Posted in real time. On the other hand, at the related sales offices such as the head office and branch offices, by accessing the host center via a communication network using the related user terminals installed at these related sales offices, the site posted on the center server is displayed. Get real-time information from.

That is, according to the site management system of the present invention, by being connected to the host center via the communication network, not only the site, but also the headquarters, branch offices, material suppliers, transporters, etc. Sales offices can also easily obtain real-time information on site conditions in real time.Based on such up-to-date information, utilize the expertise accumulated in each of the relevant offices to optimize the methods and usage. The site can be managed efficiently while selecting materials, products, and the like.

Further, if a videotex communication network such as a telephone line, a public communication network, a private communication network , or a satellite communication network is used as a communication network, the existing communication network covered by the nationwide network can be used economically and economically. The site management system of the present invention can be easily configured.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments, ie, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The site management system according to the first embodiment of the present invention shown in FIG. 1 is employed, for example, in a construction site of a shield tunnel as a construction site.

That is, at the shield construction site, if the work is stagnated due to, for example, a failure of the shield machine or a shortage of material in the backfilling plant, the labor of many workers is wasted, and the work is reworked. And also
Since the operation of machinery and equipment will be stopped and enormous damage will be caused, the construction situation will be checked not only at the construction site but also at the head office and branch offices of the construction company, contractors, manufacturers of construction machinery, and supply of construction materials. Related business offices such as contractors also grasp in real time and manage the construction status from various aspects,
Even in the event of an abnormal situation, the site management system of this embodiment is employed for the purpose of quickly and appropriately taking advantage of the expertise accumulated in the related business offices.

As shown in FIG. 1, the site management system according to the first embodiment includes a site user terminal device 13 provided at, for example, a management facility of a shield construction site A, and the site terminal device 13 and an NTT, for example. A network center 3 as a host center connected via a videotex communication network (VTX communication network) 1 such as a telephone line, and a headquarters / branch office of a construction company connected to the network center 3 via the VTX communication network 1 B, related user terminal devices 26 and 32 installed in related sales offices, such as a machine maker / material maker C and the like.

In the VTX communication network 1, a communication network is laid from a Videotex communication device installed at the center of the VTX communication network to telephone offices all over the country, and a specific number is called from a telephone line so that a video is transmitted from each telephone. Via the Tex communication device, it is possible to connect to each VTX center connected to this Videotex communication device by a dedicated device. The reference numeral 2 in the figure denotes a public telephone line network. When the VTX communication network 1 is used, the public telephone line network 2 is used to connect between each telephone and the nearest telephone station. Use

The VTX communication network 1 is also connected to a site user terminal device 22 provided at another construction site D, whereby information is exchanged between the construction sites A and D which are distant from each other. You can do it.

The network center 3 constituting the management system of this embodiment includes a host computer 5 connected to the videotex communication device of the VTX communication network 1 via a dedicated line 4, a public telephone line network 2, and a modem. 6 and a fax server 8 composed of a computer connected via a telephone line 7, and a center server 9 composed of a computer having an electronic bulletin board (BBS) and an e-mail function.
And a computer D having a database function
It is composed of a B server 10 and a client 11 composed of computers for performing operations such as monitoring and maintenance of the center server 9 and the DB server 10. Each of these computers is a local area network (LAN).
12, they are connected to each other.

On the other hand, the on-site user terminal device 13 provided at the shield construction site A has a VTX communication network 1 and a telephone line 1.
And a facsimile 17 connected via a public telephone line network 2 and a telephone line 16. The on-site user terminal 15 includes an almost completely automated system. Shielded machines 18 and incidental plants 20 such as backfilling plants,
A shield management system 21 that comprehensively manages ancillary equipment 19 such as a material management apparatus at the site A is connected.

The on-site user terminal 15 is connected to the shield management system 21 so that the excavation distance, excavation direction,
Various information for managing construction, such as soil quality, information on the presence or absence of a rupture zone during excavation work by the shield machine 18, the operation status of the auxiliary plant 20 such as a backfill plant, and the procurement status of materials and equipment. The information is continuously and automatically transferred to the network center 3 in real time at predetermined time intervals without manual intervention, and is sequentially stored in the site user terminal 15. In addition, according to a program of the shield management system 21, when an abnormal situation occurs in the shield machine 18 or the like, the abnormal signal can be transferred to the network center 3 immediately in preference to other information. .

The site user terminal device 22 provided at another construction site D connected to the VTX communication network 1 also includes a site user terminal 23, a facsimile machine 24, a site management system 25, and the like. Various information on the construction status at the construction site D can be automatically and in real time transferred to the network center 3.

A related user terminal device 26 installed at the head office / branch B of the construction company includes a related user terminal 27, a facsimile machine 28, and a server as a business management computer connected via a LAN 29 as required. 30 and the like, and transfer (upload) to the network center 3 by accessing the network center 3
The information from the constructed construction site is transmitted to its own related user terminal 27.
The construction status at the construction sites A and D can be directly managed by the related user terminal device 26.

Further, the related user terminal device 32 installed at the machine maker / material maker C also has a related user terminal 33 and a facsimile 34,
The network center 3 includes a server 36 and the like as business management computers connected via the AN 35.
To download the information from the construction site uploaded to the network center 3 to its own related user terminal 33, and directly manage the construction status at the construction sites A and D by the related user terminal device 32. Is available.

According to the site management system of this embodiment configured as described above, at the shield construction site A, the shield machine 18 excavates the tunnel by operating for 24 hours, and performs the construction during the excavation work. Various information for grasping the situation is provided by the shield management system 2
In addition to the information collected in the on-site user terminal 15 according to the program 1, various information such as the operation status of the attached plant 20 and the procurement status of materials and materials are collected in the on-site user terminal 15, and these data are automatically collected. Field user terminal 1
5 and is automatically uploaded to the center server 9 of the network center 3 in real time via the VTX communication network 1 continuously at predetermined time intervals.

The center server 9 processes the uploaded data in accordance with a preset method, stores and organizes the data in the DB server 10 as necessary, and posts it as real-time information on an electronic bulletin board.

On the other hand, the information from the shield construction site A stored in the network center 3 or posted on the electronic bulletin board in this manner is stored in the head office / branch B or the machine B of the construction company located far from the construction site A. Manufacturer
In addition to the material maker C, at the other construction site D, by accessing the network center 3 via the VTX communication network 1 by the related user terminals 27 and 33 and the site user terminal 23 installed at these, the center server is provided. 9
The latest work data can be easily viewed from the electronic bulletin board as if they were at the work site, and these data can be transferred to their own terminals as real-time information as needed.

Therefore, the construction status at the shield construction site A can be directly managed and grasped in real time by remote offices, such as the headquarters / branch B of the construction company and related sales offices such as the machine maker / material maker C. By utilizing the specialized knowledge accumulated in these related sales offices, it is possible to comprehensively manage the construction situation at shield construction site A from various aspects, and natural conditions and construction conditions that change every moment According to the above, the work can be performed efficiently while selecting the most suitable construction method and material to be used.

Further, an abnormal situation such as an unexpected malfunction, equipment failure, excess or deficiency of materials and materials occurs in the shield machine 18 and the attached plant 20, and the abnormal signal takes precedence over other information. In the case where the information is transferred to the third business office, the relevant business offices B and C are immediately notified in real time by an alarm or the like, and the abnormal situation can be promptly dealt with.

Since the data from the beginning of the construction work is sequentially stored in the network center 3, the department in charge of the work can use the stored data retroactively. .

In the construction site management system of this embodiment, the network center 3 is provided with a fax server 8 and the site user terminals 13 and 22.
And related user terminal devices 26 and 32 have facsimile 1
With the provision of 7, 24, 28, and 34, an instruction document, such as an order document for materials and materials, which is set in advance according to the construction status, can be automatically transferred to a facsimile of a related business office or the like. As a result, it is possible to ensure that the construction sites A and D and the related sales offices B and C take measures according to the construction conditions.

When an abnormal signal is transferred from the on-site user terminal 15 to the network center 3 in preference to other information, an emergency action instruction set in advance corresponding to the abnormal signal is provided. For example, a facsimile machine 17, 24, 2 provided at each of the construction sites A, D and the related sales offices B, C is processed into a manual for canceling an abnormal situation.
By transferring the information to 8, 34, a comprehensive and thorough response to the abnormal situation can be quickly taken. The processing method is standardized according to the type of the emergency signal, and it becomes possible to automatically store the data as data in the network center 3 every time this processing occurs. It can also be used for

According to this embodiment, since the required information is collected in the network center 3 almost automatically, the man-hour for collecting the information is hardly required, and the accumulated information is not required. Since the range of utilization is extremely wide, this information itself can be provided as a product by appropriately performing processing.

As a communication network, for example, NTT VTX
By using a videotex communication network such as a network or a telephone line, a nationwide network can be established with a very small investment, and the user terminal can be easily accessed from anywhere in the country, for example, at a local rate. In addition, since the host center can reliably recognize the user terminal by using the telephone number ID, the security is high, and the host center can charge information and collect the information charge together with the telephone charge. Therefore, there is a great merit in distributing the information itself as a product.

As another example, the site management system according to the second embodiment of the present invention shown in FIG. 2 is employed as a means for managing coal ash generated from a thermal power plant.

That is, in thermal power plants scattered around the country as work sites, generated coal ash is stored in a fly ash silo 56, a clinker ash dehydration tank 57, and the like, and is used in a jet pack vehicle, a dump truck, or the like. The ash generated from thermal power plants throughout the country will be comprehensively transferred to the Electric Power Headquarters, Thermal Power Department, Thermal Power Center, Technical Center, Operation Department, Trading Department, coal ash import business, etc. If it can be managed efficiently, it is considered that efficient operation of coal ash becomes possible. Therefore, by adopting the on-site management system of this embodiment, efficient management of coal ash is attempted.

As shown in FIG. 2, the site management system of this embodiment has substantially the same configuration as that of the first embodiment, and is provided in a management facility of each thermal power plant as a site work site. A local user terminal 50, a network center 52 as a host center connected to the local user terminal 50 via a videotex communication network (VTX communication network) 51 such as an NTT telephone line, and the network center 52 and VTX. A related user terminal 53 connected to a related business office such as a power headquarters A ′, a thermal power center B ′, or a technical center C ′, which is connected via the communication network 51.
And is constituted by.

As the on-site user terminal 50, a relatively small computer such as a personal computer is used.
It is connected to a TX communication network 51. Further, a site management system 55 is connected to the site user terminal 50, and coal ash is supplied to a load cell or a sensor installed in a fly ash silo 56 or a clinker ash dehydration tank 57, or to a jet pack vehicle or a dump truck. An input device installed as necessary, such as a counter for loading,
The terminal is connected to the terminal via the / O device, and data can be taken into the site user terminal 50 every moment.

The storage amount of coal ash such as fly ash and clinker ash, the shipping load, and the like are accumulated in the on-site user terminal 50, and these various data are automatically transferred to the network center 52 at a set time. You.

Also, the network center 52 has the LA
DB server 5 storing N-configured various databases
8 and a center server 5 having a BBS function of a communication center
9, and VTX-FEP for gateway connection of this LAN itself to the Videotex communication service network
(Front end processor) 60.

VTX-FEP60 is manufactured by X. It is connected to the VTX communication network 51 using a digital leased line via a communication board of a 25-packet communication procedure. As a result, the network center becomes a nationwide network, and the number of access points is substantially the same as the number of telephone stations nationwide.

Further, the related user terminal 53, like the site user terminal 50, is composed of a personal computer or the like, and is connected to the VTX communication network 51 via the public line network 54 via the MODEM. In the related user terminal 53, all operations can be performed by, for example, clicking on the image displayed on the display screen with a one-touch operation, and the operation automatically connects to the network center 52 by the operation. For example, various information posted on an electronic bulletin board can be browsed and obtained. Further, the on-site user terminal 50 can be managed by an instruction from the related user terminal 53.

According to the site management system according to the second embodiment, various types of data obtained from site work sites scattered all over the country are automatically transferred to the site user terminal 50.
Is accumulated in The stored data is automatically uploaded to the network center 52 at a fixed time or as necessary by VTX communication terminal software incorporated in the site user terminal 50 in advance, and the center server 5
9 are arranged in a predetermined format by the BBS function and stored in the DB server 58.

The various information stored in the DB server 58 is stored in the thermal power department of the electric power headquarters A ', the thermal power center B', the technical center C ', as well as the related business departments such as the thermal power management department and the commercial department. From a related user terminal 53 connected to this network system,
With one-touch access, the user can easily obtain the information at any time, and can proceed with each task according to the latest site information as if at the site.

Further, since the necessary information is almost automatically gathered in the network center 52, there is no need for human resources for this, and the accumulated information has a wide range of use. It can be used effectively.

If this system is developed under the leadership of, for example, a unified organization such as an association, data of thermal power stations in various parts of the country can be accumulated, and users of coal ash can easily use the data. You can do it.

According to this system, the network center 52 and the related user terminal 53 are connected to, for example, a LAN.
By connecting to other networks, connection to other networks such as e-mail and the Internet can be easily performed.

As another example, the site management system according to the third embodiment of the present invention shown in FIG. 3 manages products sold in vending machines 70 as sales sites scattered in various places. This has been adopted as a means for

That is, the site management system according to the third embodiment includes a site terminal unit as a site user terminal installed in each of vending machines 70 scattered in various places, and the site terminal unit and, for example, an NTT telephone line or the like. A network center 72 as a host center connected via a Videotex communication network (VTX communication network) 71, and a head office A "or a sales office of a merchandise sales company connected to the network center 72 via the VTX communication network 71 B "and related user terminals 73 installed in related sales offices such as distribution center C".

The on-site terminal unit senses, for example, the stock quantity of a commercial product, for example, a soft drink, by a built-in sensor inside each vending machine 70 in which the telephone line 74 is accommodated, and inputs a signal as necessary. Imported as management information into the on-site terminal unit via a converter, etc.
The remaining amount data and sales data corresponding to the type of soft drink are reported to the network center 72 via the telephone line 74 and the VTX communication network 71 at a fixed time every day.

The network center 72 includes a BBS server 75, a DB server 76, a VTX-FEP 77, a FAX-FEP, and the like, as in the first and second embodiments.
Data collected from each vending machine 70 are totaled, and the next day's delivery instruction data and the like are calculated.

The related sales offices such as the head office A ", the sales office B", and the distribution center C "of the merchandise sales company are connected to the network center 72 by the public network 79 or the like, so that, for example, The delivery instruction data is stored in the head office A "and the sales office B" and the network center 7
2 and the delivery instruction slip is automatically faxed to the head office A ", the sales office B", the delivery center C ", etc. Also, the head office A" and the sales office B The management data tabulated in the network center 72 can be browsed from "", the distribution center C "or the like as appropriate, and the management data can be taken into a computer or the like installed in each sales office.

According to the on-site management system according to the third embodiment, the conventional delivery system, which has been caused by relying on ad hoc inventory management by confirming missing parts and replenishment by the delivery staff, has been used. Easily manage many wastes in product management, such as securing human resources for management and delivery, arranging delivery, complicating replenishment routes and courses, generating excessive loading and missing products due to inaccurate missing item information. Can be done.

That is, since the vending machine 70 itself collects the supply information of the products, which has relied only on the product management staff and the delivery staff, the information on the replenishment of out-of-stock items and the sold products is provided in real time. As a result, on the delivery side, for example, it is possible to reduce wasteful delivery personnel and vehicles, or to save labor for managing delivery, and to realize an efficient delivery route, , Wasteful loads and shortages can be eliminated. On the product management side, on the other hand, we can increase sales by eliminating out-of-stock items,
By confirming the exact number of products in real time, inventory costs can be reduced and top-selling products by region can be identified. Also, supply of products by JUST IN TIME and new vending machines based on status judgments It is also possible to easily determine the installation location and the like.

It should be noted that the site management system of the present invention is not limited to the embodiments of the above-described embodiments, but may employ various embodiments within the scope of the constitution described in each claim. Can be adopted. For example, the above-mentioned on-site management system for product management is used to manage remaining amounts of products such as medicines, cement silos, cylinders such as oxygen and liquefied carbon dioxide, propane gas, powders such as light oil and gasoline, liquids, and gases for hospitals and the like. In this case, it can be adopted. In this case, as a method of sensing the remaining amount, a method using a load cell, a special liquid level gauge, a built-in sensor, a capacitance type sensor, or the like can be adopted. As the signal input converter, for example, a VA A voltage converter can be employed.

[0064]

As described in detail above, according to the management system of the present invention, by being connected to the host center via the communication network, not only the site, but also the head office,
At branch offices, material suppliers, transporters, and other related offices, information on site conditions can be easily and easily obtained in real time. By utilizing the expertise, it is possible to efficiently manage the site while selecting the most suitable method, materials to be used, products and the like.

Further, if a videotex communication network such as a telephone line is used as the communication network, the site management system of the present invention can be economically and easily configured using the existing communication network covered by the nationwide network. it can.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing the configuration of a construction site management system according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a configuration of a site management system for managing coal ash generated from a thermal power plant according to a second embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a configuration of a site management system for managing products sold in a vending machine according to a third embodiment of the present invention.

[Explanation of symbols]

1,51,71 VTX communication network 2,59,79 Public telephone network 3,52,72 Network center (host center) 8 Fax server 13 On-site user terminal device 15,50 On-site user terminal 21 Shield management system 26,32 Related user terminal device 27, 33, 53, 73 Related user terminal A Shield construction site (construction site) B Head office / branch office (related sales office) of construction company C Machine maker / material maker (related sales office)

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Sadaji Kosuda 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Obayashi Corporation Tokyo Head Office (72) Inventor Kenji Nishimura 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Stock (56) References JP-A-7-180350 (JP, A) JP-A-7-229294 (JP, A) JP-A 8-338133 (JP, A) JP-A 7-113323 ( JP, A) JP-A-6-103278 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04G 21/00 G06F 17/60

Claims (7)

(57) [Claims] 1. Construction site, stocking site for materials and equipment,
A site management system that manages various site conditions, such as the progress of construction, the procurement status of materials and products, and the occurrence of abnormal situations, at sites scattered around the country, such as product sales sites. An on-site user terminal installed at each site, a host center connected to the on-site user terminal via a communication network, and a related business office connected to the host center via the communication network The related user terminal installed in the related business terminal, the site information transferred from the site user terminal to the host center is obtained by the related user terminal installed in the related sales office, and not only the site but also these related A site management system that also manages site conditions in real time at sales offices. 2. For managing various construction statuses such as the progress status of construction work, the procurement status of materials and equipment, and the occurrence status of abnormal situations at construction sites scattered around the country to carry out construction work. A site user terminal installed at a construction site, a host center connected to the site user terminal via a communication network, and the host center via the communication network. Connected to the construction company's headquarters, branch offices, contractors, construction equipment manufacturers, and related user terminals installed at related sales offices such as material suppliers, and transferred from the on-site user terminal to the host center. Done,
Obtain work information at the construction site, such as construction progress information, material consumption information, and construction machine maintenance information, at the relevant user terminals installed at the relevant sales offices. A construction site management system that also manages the construction status of construction sites in real time. 3. The on-site user terminal is connected to an on-site construction management system for automatically managing construction machines and the like, and transfers a construction status managed by the management system to a host center via the communication network. The construction site management system according to claim 2, wherein 4. The system according to claim 1, wherein the host center includes a fax server, and transfers an instruction set in advance according to a construction situation to a facsimile machine provided at a construction site and a related office. Claim 2 or Claim 3
A site management system for a construction site according to Item 1. 5. A coal ash site management system for managing various site conditions, such as a coal ash storage status, a shipping status, and an occurrence of an abnormal situation, in thermal power plants scattered around the country. An on-site user terminal installed at each thermal power plant, a host center connected to the on-site user terminal via a communication network, and an electric power connected to the host center via the communication network. Headquarters, branch offices, and related user terminals installed in related sales offices such as coal ash importers, etc., are transferred from the on-site user terminals to the host center,
Obtain on-site information such as residual information of coal ash in each silo, operation information of the equipment, and maintenance information by using the relevant user terminals installed at the relevant sales offices, and obtain not only the thermal power plants but also the related business A coal ash site management system that manages site conditions in real time at sites. 6. On-site management of product sales for managing various on-site conditions such as inventory information and sales information in vending machines as sales sites for selling products, which are provided scattered in various places. A system, comprising: a site user terminal installed in each vending machine; a host center connected to the site user terminal via a communication network; and a host center connected to the host center via the communication network. , Consisting of related user terminals installed in related sales offices such as the head office, branch office, or distribution center of the product distributor, and transferred from the on-site user terminal to the host center,
Obtain on-site information such as residual information of products in each vending machine, hot selling information or maintenance information by a related user terminal installed in the related sales office, and check not only the location of each vending machine but also the related information. A site management system for product sales, which also manages site conditions in real time at sales offices. 7. The videotex communication network, wherein:
The site management system according to any one of claims 1 to 6, comprising a public communication network, a private communication network , or a satellite communication network.