JP2007226363A - Product carrying vehicle management system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle operation information management system low in cost with sufficient security for the improvement of a vehicle operation rate. <P>SOLUTION: This product carrying vehicle management system comprising an on-vehicle system mounted on each product carrying vehicle, and a management system provided at a physical distribution base, comprises a wide range radiocommunication means for transmitting vehicle operation information to each of the on-vehicle system and the management system, and transmits the vehicle operation information between the on-vehicle system and the management system through the wide range radiocommunication means. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a product transport vehicle management system for managing vehicle operation information of product transport vehicles in a large-scale factory site such as a steel mill.

  Conventionally, product transfer work from a mill end (product yard on the production line exit side) in a steel works to a warehouse or from a warehouse to a warehouse has been planned in advance and performed based on the plan. For example, a transportation work plan for one day is created, and the driver of the transportation vehicle gets into the transportation vehicle with the stamped out paper and performs the transportation work. Since the vehicle was operated based on the plan established in advance, when actually going to the mill end, loading of the product to the carriage etc. was not finished, waiting for loading occurred or going to the warehouse There has been a problem that the vehicle operation rate is not increased because the vehicle operation is not performed as planned, such as the fact that the product has not been wholesaled from the trolley or the like, the waiting for the wholesale has occurred, or other vehicles are working.

  In order to solve such a problem, for example, a technique described in Patent Document 1 is disclosed. This technology is a logistics management system with operation management function and dispatch management function. Digital MCA radio is used for operation management function and dedicated short range communication (DSRC) is used for dispatch management function. This is a large-scale technology using radio.

Patent Document 2 is equipped with a PHS (Personal Handyphone System) type terminal capable of displaying data on the yard chassis and instructing transportation between the vehicle allocation control device and each terminal via a radio base station. Technology is disclosed.
JP 2000-231691 A JP 2002-370832 A

However, in the technique described in Patent Document 1, it is necessary to prepare a DSRC radio, and there is a problem that the maintenance cost increases due to an increase in construction cost and an increase in equipment.
Further, the method described in Patent Document 2 requires the installation of a PHS antenna, and there is still a problem that the maintenance cost increases due to an increase in construction cost and an increase in equipment.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle operation information management system that is inexpensive and has good maintainability for improving the vehicle operation rate.

  The invention according to claim 1 of the present invention is a product transportation vehicle management system comprising a vehicle transportation system mounted for each product transportation vehicle and a management system provided at a distribution base, wherein the vehicle transportation system and Each of the management systems is provided with wide area wireless communication means for transmitting vehicle operation information, and vehicle operation information is transmitted between the vehicle receiving system and the management system via the wide area wireless communication means. This is a featured product transport vehicle management system.

  The invention according to claim 2 of the present invention is the product transport vehicle management system according to claim 1, wherein the wide area wireless communication means is a digital MCA radio.

  Further, the invention according to claim 3 of the present invention is the product transport vehicle management system according to claim 1 or 2, wherein the vehicle operation transmitted from the vehicle receiving system to the management system in the vehicle operation information. The information is a product transport vehicle management system including information on any one or a combination of departure, arrival, work start, work end, current travel distance, vehicle failure, and break.

  In the present invention, since the vehicle information is transmitted only by the wide area wireless communication means (digital MCA), the construction of the data communication environment between the vehicle and the base can be realized at low cost without the need for the narrow area wireless, and the product transportation efficiency is improved. I was able to connect.

  The best mode for carrying out the present invention will be described below with reference to the drawings and tables. FIG. 1 is a block diagram showing a configuration example of a product transport vehicle management system according to the present invention. In the figure, 1 is a host computer system, 2 is a distribution base, 3 is a management PC (Personal Computer), 4 is a radio X, 5 is a radio base station, 6 is a product carrying vehicle a, b, c. .., 7 are radio devices a, b, c..., And 8 are vehicle-mounted PCs a, b, c. This system is broadly divided into a management system at a distribution base and a vehicle mounting system mounted on a vehicle, and information is exchanged between them by a wireless communication device of wide area wireless communication (digital MCA wireless communication) means. System configuration.

  The host computer system 1 is a host computer system that manages distribution of the entire steelworks, order information from customers, and the like. This system is provided in the steelworks management center, and has an operation management function such as preparation of a transport work plan based on information on necessary transport work and vehicles that can be carried out.

  The distribution base 2 indicates a distribution base where control workers are stationed, and a management PC 3 and a radio device X4 as a management system are installed therein.

  The radio base station 5 is a public facility installed near the steel works. All data transmission between the distribution base 2 and the vehicle to be managed is performed via the radio base station 5.

  Reference numeral 6 represents a plurality of product transport vehicles a, b, c,. Each vehicle 6 is equipped with a pair of radio devices a, b, c,... And a vehicle-mounted PC a, b, c,. Yes. Data input from the in-vehicle PC 8 is transmitted to the wireless base station 5 via the wireless device 7. Actually, there are a plurality of such vehicles, and a portion including the radio device 7 and the in-vehicle PC 8 configured in the vehicle 6 is referred to as an in-vehicle system.

  Reference numerals (1) to (6) shown in FIG. 1 represent the flow of data transmission, and data transmission is performed in the order of (1), (2),..., (6). Table 1 shows the contents of data transmissions (1) to (6) and a summary of the transmission source / destination. Note that the transmission means uses wide-area wireless communication means, and in particular, a digital MCA radio may be used. Here, MCA (Multi-Channel-Access) wireless is a wireless system in which multiple users share a plurality of wireless channels and automatically switch to an empty channel for communication. It is a wireless system with more effective use and convenience. By using such digital MCA radio, construction costs for installing an antenna are unnecessary, and communication is possible anywhere in a large-scale factory site such as a steel mill.

  An operator of a vehicle needs to know what kind of transfer work is performed in order to transfer a product using the vehicle. In order to know the transfer operation, “menu request” is selected from the in-vehicle PC 8. The “menu request” data is transmitted to the host computer system 1 via wireless, and the latest transfer work list data is transmitted from the host computer system 1 to the vehicle PC 8 via wireless. The vehicle PC 8 displays the data of the transport work list. The operator can know the latest transfer work accurately by looking at it.

  In this way, since the operator can always know the latest transport work, the work can be carried out efficiently without waste depending on the product delivery status on the factory side, the product acceptance status on the warehouse side, and the transport status of other vehicles. be able to.

  Further, the vehicle PC 8 may be added with a function capable of recognizing the above-described transmission state process (which stage of (1), (2),..., (6)). In this way, by increasing the determination factors of the transport cart operator, for example, work according to the situation such as whether the line is busy, whether the management PC / host computer system is abnormal, or waiting for transmission / reception, etc. The operator can be prompted.

  The operator of the vehicle performs a product transfer operation according to the contents of the transfer operation list. “Departure” at the start of product conveyance and “arrival” at the end of product conveyance are input from the in-vehicle PC 8. The “departure” and “arrival” data is sent to the host computer system 1. The host computer system 1 can perform real-time recognition of the transport status of each vehicle, later efficiency analysis, and the like based on these data.

  The data transmitted from the in-vehicle PC 8 to the host computer system 1 includes “departure”, “arrival”, “work start”, “work end”, “current mileage”, “vehicle failure”, “rest”, “ Others ".

  As described above, the present invention is a product transportation vehicle management system constructed by a vehicle transportation system mounted on a product transportation vehicle and a management system provided at a distribution base, which includes the vehicle transportation system and the vehicle transportation system. Each of the management systems is provided with a wide area wireless communication means for transmitting vehicle operation information, and the vehicle operation information is transmitted between the vehicle receiving system and the management system via the wide area wireless communication means. To do. Further, the present invention is characterized in that the product transport vehicle management system is configured using a digital MCA radio as a wide area wireless communication means. Vehicle efficiency can be improved by exchanging information between the vehicle and the distribution base using wide area wireless communication (digital MCA wireless communication) means.

It is a block diagram which shows the structural example of the product conveyance vehicle management system which concerns on this invention.

Explanation of symbols

1 Host computer system 2 Logistics base 3 Management PC
4 Radio X
5 Radio base station 6 Product transport vehicles a, b, c ...
7 Radios a, b, c ...
8 In-vehicle PCa, b, c ...

Claims (3)

A product transportation vehicle management system comprising a vehicle loading system installed for each product transportation vehicle and a management system provided at a distribution base,
Each of the vehicle system and the management system includes wide area wireless communication means for transmitting vehicle operation information,
A product transport vehicle management system, characterized in that vehicle operation information is transmitted between the vehicle system and the management system via the wide area wireless communication means. In the product transport vehicle management system according to claim 1,
The product transportation vehicle management system, wherein the wide area wireless communication means is a digital MCA wireless device. In the product transport vehicle management system according to claim 1 or 2,
Among the vehicle operation information, the vehicle operation information transmitted from the vehicle system to the management system includes one of departure, arrival, work start, work end, current mileage, vehicle failure, and break A product transport vehicle management system characterized by including information on the combination.

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