JPH10276481A - Method and device for wireless information collection - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simultaneously collect the operating information of information collection object through one information collecting terminal in a simple configuration by simultaneously collecting the operating information of plural information collection objects through the information collecting terminal while using successively circulated and connected high-speed radio communication. SOLUTION: The operating information of plural information sources from 10-1 to 10-n composed of plural machines is collected by an information collector 20 composed of a personal computer or the likes. As the respective information sources, a programmable logic controller and an electronic camera or the like are included, for example. The plural information sources from 10-1 to 10-n and the information collector 20 are connected while using spread spectrum communication enabling high-speed communication higher the 48 kbps, for example. Namely, the respective information sources from 10-1 to 10-n are respectively installed with machine numbers and respective state signals are successively and cyclically connected for a fixed time in a constant cycle such as 1 sec, for example. Therefore, even when managing 10 information sources through one collector, for example, the information of 4.8 kbps can be transmitted per information source.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless operation information collection method and apparatus for collecting operation information from a plurality of information collection targets such as mechanical equipment installed in a factory workplace, and more particularly, to a high-speed wireless communication. By sequentially circulating the plurality of information collection targets and the information collection terminals disposed at predetermined locations using high-speed wireless communication, the operation information of the plurality of information collection targets can be obtained with a simple configuration using the information. The present invention relates to a method and an apparatus for collecting wireless operation information that can be collectively collected by a collection terminal.

[0002]

2. Description of the Related Art Generally, in order to perform optimum production at a production site or the like, it is necessary to accurately grasp operation information of various machines.

Conventionally, the following method has been known as an operation information collecting method for accurately grasping operation information of various machines.

[0004] That is, as a means for grasping a signal such as an operation state of a machine at a production site or the like, it can be realized by taking in an internal memory or an input / output signal with the outside from a machine control device such as a programmable controller.

In view of this, the operating state of each machine such as the number of operations and the stop position of each machine is equivalently grasped as an electric signal, and this is displayed on a device such as a liquid crystal display.

Here, in the wiring between the above-mentioned signal extracting machine and the collecting device, in order to avoid the complexity of wiring each time a layout is changed, or to monitor a plurality of devices remotely, etc. A system for wireless communication has been proposed, and a system using a specific low-power wireless modem has been considered.

[0007]

However, in such a conventional device, a communication suspension period is required due to laws and regulations, so that continuous communication cannot be performed, and the communication speed is, for example, low. It is as slow as 4800 bps.

Due to such restrictions, in the conventional information collection, the number of target machines is practically one (1: 1) in most cases, and information collection is performed for a plurality of machines (1: N). Has a problem that large-scale equipment such as a LAN is required.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a wireless operation information collecting method and apparatus which enables a single information collecting terminal to collectively collect operation information of a plurality of information collection targets with a simple configuration. .

[0010]

According to a first aspect of the present invention, there is provided a wireless operation information collection method for collecting operation information from a plurality of information collection targets such as mechanical equipment. The collection target and the information collection terminal are sequentially circulated for a predetermined period of time at predetermined intervals using high-speed wireless communication, and the operation information of the plurality of information collection targets is sequentially circulated and connected using the high-speed wireless communication. It is characterized in that it is collectively collected by an information collection terminal.

Further, the invention of claim 2 is characterized in that, in the invention of claim 1, the high-speed wireless communication is spectrum extension communication.

[0012] In a third aspect of the present invention, in the first aspect of the present invention, the high-speed wireless communication is a personal handyphone system communication.

According to a fourth aspect of the present invention, there is provided a wireless operation information collecting apparatus for collecting operation information from a plurality of information collection targets such as mechanical equipment, wherein the information collection terminal, the plurality of information collection targets and a predetermined location. A connection control means for sequentially circulating the information collection terminals disposed in a predetermined cycle of information at predetermined intervals using high-speed wireless communication, and And collection control means for collectively collecting the information using the information collection terminal using wireless communication.

According to a fifth aspect of the present invention, in the fourth aspect of the invention, an identification number is set for each of the plurality of information collection targets, and the connection control means performs each information collection corresponding to the identification number. An information collection condition setting means for presetting a target information collection condition is provided.

According to a sixth aspect of the present invention, in the fifth aspect of the invention, the information collection condition is information collection time of each information collection target.

According to a seventh aspect of the present invention, in the fifth aspect of the invention, the information collection condition is an information collection priority of each information collection target.

[0017]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a conceptual diagram showing one embodiment of a wireless operation information collecting system constituted by applying the method and apparatus for collecting wireless operation information according to the present invention.

The wireless operation information collection system shown in FIG. 1 has a plurality of information sources 10-
Operation information items 1 to 10-n are collected by an information collection device 20 including a personal computer or the like.

Here, as each information source, for example, PL
C (programmable logic controller), electronic camera, and the like.

The plurality of information sources 10-1 to 10-n and the information collecting device 20 are connected using spectrum extension communication (hereinafter referred to as SS communication) capable of performing high-speed communication of, for example, 48 kbps or more. You.

That is, each information source 10-1 to 10-n is provided with a machine number, and each status signal is sequentially and cyclically connected for a fixed period, for example, 1 sec for a fixed time.

Here, for example, even when one collection device monitors 10 information sources, 4.8 k per information source is used.
bps information can be transmitted. For this reason, even information having a large capacity such as an image can be transmitted in a few seconds, and the operating state of the machine which can be grasped in bit units can be grasped instantaneously.

In the above configuration, the information collection time and the priority may be arbitrarily set corresponding to each unit number.

In FIG. 1, 21a and 21b
Shows an example of a display displayed on the display screen of the information collection device 20 by collecting the information.

According to such a configuration, the operating state of the machines and the like scattered at the production site or the like can be grasped wirelessly at low cost.

In the above embodiment, the case where SS communication is adopted as high-speed communication has been described.
A similar configuration can be made by employing PHS (Personal Handy Phone System) communication.

FIG. 2 is a flowchart showing the operation of the information collecting apparatus 20 shown in FIG.

In FIG. 2, an initial setting display section (101)
Sets the data collection conditions (102),
A display conversion instruction is sent to the display conversion unit (108).

When the collection conditions are set (102), data collection starts (103) and the scan control unit (1)
04) operates, polling call / reception (105) is performed, and data collection of a plurality of collection targets 10-1 to 10- is performed.

Then, the completion of the collected data (10
If it does not become 6), it returns to the scan control unit (104), and this data collection is continued.

When the data is completed (106) in this way, the process proceeds to the data sorting and storage unit (107), and the bit,
Separation and storage of data such as words and images are performed.

FIG. 3 shows a detailed configuration of the information collecting apparatus 20.

In FIG. 3, the information collecting device 20
A communication manager 21, an address control unit 22, a rounding control unit 23, an application control unit 24, a display 25,
It is composed of a power supply control unit 26 and a data separation storage unit 27,
The data sorting and storage unit 27 includes a data sorting unit 27a, a bit data memory 27-1, a word data memory 27-2,
It comprises an image data memory 27-3.

Here, the communication manager 21 is connected to the communication device 30, and controls PHS, SS, RS-232C communication and the like.

The address control section 22 cyclically controls the address of the communication partner communicated by the communication device 30 via the communication manager 21.

The circling control unit 23 controls the circling of the communication partner cyclically controlled by the address control unit 22.

The data obtained from the communication partner under the cyclic control by the address control unit 22 is taken into the data sorting and storing unit 27, and is separated into bit data, word data, and image data by the data sorting unit 27a. The data is stored in the data memory 27-1, the word data memory 27-2, and the image data memory 27-3.

The application control unit 24 controls the application of the information collection device 20. The display unit 25 displays the result of the control by the application control unit 24.
Controls the power supply of the information collecting apparatus 20.

[0040]

As described above, according to the present invention,
A plurality of information collection targets and information collection terminals are sequentially circulated for a predetermined period of time at a predetermined cycle using high-speed wireless communication, and the operation information of the plurality of information collection targets is sequentially circulated and connected using high-speed wireless communication. Since the information collection terminal is configured to collectively collect the operation information, the operation information of a plurality of information collection targets can be collectively collected by one information collection terminal with a simple configuration.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram showing one embodiment of a wireless operation information collection system configured by applying a wireless operation information collection method and apparatus according to the present invention.

FIG. 2 is a flowchart showing the operation of the information collection device shown in FIG. 1;

FIG. 3 is a block diagram showing a detailed configuration of the information collection device shown in FIG.

[Explanation of symbols]

 10-1 to 10-n Information Source 20 Information Collection Device 21 Communication Manager 22 Address Control Unit 23 Circuit Control Unit 24 Application Control Unit 25 Display 26 Power Control Unit 27 Data Separation Storage Unit 27a Data Separation Unit 27-1 Bit Data Memory 27-2 Word data memory 27-3 Image data memory

Claims (7)

[Claims] 1. A wireless operation information collection method for collecting operation information from a plurality of information collection targets such as mechanical equipment, wherein the plurality of information collection targets and an information collection terminal are communicated at a predetermined cycle using high-speed wireless communication. A wireless operation information collecting method, wherein the operation information of the plurality of information collection targets is collectively collected by the information collection terminal by using the high-speed wireless communication in which the plurality of information collection targets are sequentially connected in a cyclic manner for predetermined information times. 2. The high-speed wireless communication according to claim 1, wherein the high-speed wireless communication is a spectrum extension communication.
The described wireless operation information collection method. 3. The method according to claim 1, wherein the high-speed wireless communication is a personal handyphone system communication. 4. A wireless operation information collection device for collecting operation information from a plurality of information collection targets such as mechanical equipment, comprising: an information collection terminal; and a plurality of information collection targets and information collected at predetermined locations. Connection control means for sequentially and cyclically connecting the terminal with the terminal at predetermined intervals for a predetermined information time using a high-speed wireless communication, and the information using the high-speed wireless communication in which the operation information of the plurality of information collection targets is sequentially circularly connected. A wireless operation information collection device, comprising: collection control means for collectively collecting data by a collection terminal. 5. An information collection condition setting means for setting an information collection condition of each information collection object in advance corresponding to the identification number, wherein an identification number is set for each of the plurality of information collection targets. The wireless operation information collection device according to claim 4, comprising: 6. The wireless operation information collection device according to claim 5, wherein the information collection condition is an information collection time of each information collection target. 7. The wireless operation information collection device according to claim 5, wherein the information collection condition is an information collection priority of each information collection target.