JP4804303B2 - Wireless telemeter system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently introduce and install a radio telemeter system by setting a radio slave unit and a radio master unit from a terminal network controller, and to discriminate an illegal installation after installation. <P>SOLUTION: The terminal network controller 3 with a minimum setting required for data communication with a host computer 2 acquires system management information to be set to the radio master unit 6 and each radio slave machine device 7 from the host computer 2 when installing the system, and acquires a master-unit radio discriminating code from the radio master unit 6. The terminal network controller 6 sets a slave-unit setting management information related to the radio slave unit 7 and various setting information such as the master-unit radio discriminating code or the like to the radio slave unit 7 while holding these information. The terminal network controller 6 sets a slave-unit radio discriminating code acquired from the radio slave unit 7 to the radio master unit 6. Consequently, installation of the radio telemeter system is simplified including registration. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

  The present invention includes a host computer connected to a center side network control device, a terminal network control device connected to the center side network control device via a data communication line, and a terminal network control device connected to the terminal network control device. In particular, the present invention relates to a wireless telemeter system including a wireless base station device and one or more wireless slave devices connected to the wireless base device wirelessly and each connected to a terminal device. The present invention relates to a wireless telemeter system for transmitting data between a measuring device such as a gas meter / water meter and a terminal device such as an alarm device through a wireless master device and a wireless slave device.

  The wireless telemeter system is a terminal network controller connected to the center side network controller via a data communication line, a wireless master terminal connected to the terminal network controller, and a data communication via a wireless master terminal and a wireless medium. And a terminal device such as a meter, a sensor such as a gas, water, electricity, etc. connected to the terminal network control device or the wireless slave unit. The wireless master terminal and the wireless slave terminal are collectively referred to as a wireless device.

  Specifically, the wireless telemeter system is a terminal network control device that connects terminal devices such as measuring devices such as gas meters and water meters, alarm devices, or monitoring devices for security monitoring purposes, for example, gas supply companies and security companies. Is connected to a center side network control device connected to a host computer (center server) such as a public communication line or an Internet communication line, and communication between the host computer and a terminal device is performed. Relaying enables automatic remote meter reading from the host computer, security video confirmation, gas leak alarm communication to the host computer, and the like.

  The wireless telemeter system performs wireless communication according to the standard ARIB STD-T67A. In order to perform wireless communication, identification code information such as mutual IDs must be registered when the wireless master terminal and the wireless slave terminal are installed. When both parties acquire each other's identification code and register the acquired identification code of the other party in the memory is called a match.

  As a method of this association, a method of exchanging identification codes with each other by connecting the wireless master terminal and the wireless slave terminal by wire (Patent Document 1), and a wireless master terminal and each wireless terminal using a setting device A method of registering an identification code in a slave unit (Patent Document 2) or a method of exchanging and registering identification code information by wireless communication by operating a dedicated switch of the wireless master terminal and the wireless slave terminal is devised. However, each method has a problem in terms of work efficiency, and the tendency becomes more prominent as the number of wireless handset terminals to be used increases. Therefore, a method has been devised for registering the identification information of the wireless master terminal and the wireless slave terminal by wireless communication (Patent Document 3).

  In addition, in order to collect data of metering devices such as gas, water and electricity connected to the slave unit as a telemeter system, the terminal network control device, the radio master unit, and each radio slave unit terminal It is necessary to make settings related to the terminal ID and meter interface, and it is necessary to perform setting work from the host computer to the terminal network control device, the wireless master device, and each wireless slave device by data communication line and wireless communication after completion of the matching operation. There is.

  However, when performing matching processing by wireless communication, if the wireless channel to be used is being used by another wireless device, the carrier sense function works and the wireless channel cannot be used. For this reason, it is not possible to perform the matching process by wireless communication, and it is necessary to perform the matching process many times. Also, when making settings related to the terminal ID and meter interface for each wireless handset terminal using wireless communication, the same problems as described above may occur, making it difficult to work efficiently.

In addition, it is difficult to systematically determine unauthorized installation such as replacing the wireless slave device with an adjacent device after the telemeter system is installed.
JP-A-6-348986 JP-A-6-284475 JP 2005-184480 A

  Therefore, the minimum settings necessary for data communication with the host computer are applied to the terminal network control device, and the terminal network control device must be set for each device or terminal from the host computer when the system is installed. By acquiring the setting management information and the base unit radio identification code so that the information is retained and setting the radio slave unit and the radio base unit from the terminal network control unit, it is easy to install the radio telemeter system. There is a problem to be solved in terms of making it easier.

  An object of the present invention is to provide a wireless telemeter system that enables simple and efficient introduction and installation of a wireless telemeter system, and that can determine unauthorized installation after installation.

To achieve the above object, a radio telemeter system according to the present invention includes a host computer connected to a center side network control device and a terminal network control device connected to the center side network control device via a data communication line. A wireless master device connected to the terminal network control device, and one or more wireless slave devices connected to the wireless master device wirelessly and each connected to the terminal device In the telemeter system, the host computer stores system management information which is setting management information of each device constituting the system, and the wireless slave device is a data of the terminal device and the wireless master device. Means for storing communication setting information used for communication and operation setting information defining the operating conditions of the terminal device, the terminal network control device, Means for acquiring the system management information held by the host computer, means for storing the system management information acquired from the host computer, means for acquiring a base unit radio identification code held by the radio base unit, Means for storing the base unit radio identification code obtained from the radio base unit, slave unit setting management information relating to the radio unit included in the system management information obtained from the host computer, and the radio base unit From the wireless slave device, means for setting the master wireless identification code acquired from the device in the wireless slave device, a means for acquiring the slave wireless identification code held by the wireless slave device, and the wireless slave device Means for storing the obtained slave unit radio identification code, and setting the slave unit radio identification code obtained from the radio slave unit to the radio base unit And a stage, further, the radio personal station apparatus comprises means for obtaining the device-specific information by the terminal device to be connected is held, and means for storing the device-specific information acquired from the terminal device In the terminal network control apparatus, the means for acquiring the slave unit radio identification code held by the wireless slave unit also acquires the device specific information of the terminal unit and acquires it from the wireless slave unit The means for storing the slave unit radio identification code also stores the device specific information, and the terminal network controller further uses the slave unit radio identification code and the device specific information to It comprises means for detecting unauthorized installation of the terminal device and means for notifying the host computer of unauthorized installation detection when detecting the unauthorized installation of the wireless slave device or the terminal device .

In this wireless telemeter system, the wireless slave device includes means for acquiring device-specific information held by the connected terminal device, and means for storing the device-specific information acquired from the terminal device. In the terminal network control apparatus, the means for acquiring the slave unit radio identification code held by the wireless slave unit also acquires the device specific information of the terminal unit and acquires it from the wireless slave unit The means for storing the slave unit radio identification code also stores the device unique information, and the terminal network control device uses the slave unit radio identification code and the device unique information to perform the radio slave unit and the terminal. Means for detecting unauthorized installation of the device, and means for notifying the host computer of unauthorized installation detection when detecting the unauthorized installation of the wireless slave device or the terminal device. According to this wireless telemeter system, at the stage where the wireless slave device is connected to the terminal device during installation work, the device unique information held by the terminal device is acquired from the wireless slave device, and the device unique information of the acquired terminal device is obtained. The data is written in a nonvolatile memory held by the wireless slave device. The non-volatile memory held by the wireless slave device also stores the slave wireless identification code of the wireless slave device. When the setting information is exchanged by removing the non-volatile memory from the wireless slave unit and connecting the removed non-volatile memory to the wireless master unit as a setting / system setting operation, the wireless master unit is transferred to the non-volatile memory. The stored device unique information of the terminal device and the wireless device identification code of the wireless slave device can be acquired. Thereby, in the terminal network control device, the wireless slave device can manage the slave wireless identification code and the device specific information of the terminal device in association with each other. When this combination is lost due to unauthorized installation, the terminal network control device notifies the host computer of the occurrence of unauthorized installation, thereby enabling the host computer to detect unauthorized installation.

In this wireless telemeter system, a terminal network control device with minimum settings necessary for data communication with a host computer is transmitted from the host computer to the wireless master device and each wireless slave device when the system is installed. Acquire system management information, which is various setting management information that needs to be set. Further, a master unit radio identification code is obtained from the radio base unit, and a slave unit radio identification code is obtained from the radio slave unit. The terminal network control device retains these pieces of information, and with respect to the wireless slave device, the slave device setting management information related to the wireless slave device included in the system management information and the master device acquired from the wireless master device By setting various setting information such as a radio identification code and setting a slave unit radio identification code acquired from the radio slave unit for the radio base unit, a radio telemeter system can be easily installed. It becomes possible.

In this wireless telemeter system, the terminal network control device is connected to the wireless slave device by a wire, whereby the slave unit setting management information acquired from the host computer and the master unit acquired from the wireless master device. The wireless identification code can be written in a nonvolatile memory provided in the wireless slave device. That is, when the terminal network control device sets various setting information in the wireless slave device, since it cannot communicate with the wireless slave device through the wireless master device, it is directly connected to the wireless slave device by a wired cable. This facilitates writing of the system management information acquired from the host computer by the terminal network control device and the base unit wireless identification code acquired from the wireless base unit to the nonvolatile memory provided in the wireless slave unit. By making such connection and writing, simple setting to the wireless slave device is possible.

In this wireless telemeter system, the wireless slave device is detachable from a nonvolatile memory unit that stores the communication setting information and the operation setting information, and the terminal network control device is detached from the wireless slave device. The non-volatile memory unit is connectable, and the slave unit setting management information acquired from the host computer and the master unit radio identification code acquired from the radio base unit are connected to the terminal network control unit The nonvolatile memory can be written. That is, the non-volatile memory unit that can be attached to and detached from the wireless slave device includes communication setting information used for data communication with the terminal device and the wireless master device, that is, setting information that defines its own communication operation, Operation setting information that defines the operation can be stored. Also, the terminal network control device is removed from the wireless slave device and connected to the non-volatile memory unit connected to the terminal network control device by the system management information acquired from the host computer by the terminal network control device and the wireless master device. The acquired master radio identification code can be written. By connecting the non-volatile memory unit in which the system management information and the base unit radio identification code acquired from the radio base unit are written to the radio unit, the radio base unit of the radio unit of the radio telemeter system The assembly work and system setting work are completed.

  In the above-described wireless telemeter system that uses a slave radio identification code acquired / stored by a wireless slave device and the device-specific information, the terminal network control device is specific to the device of the weighing device held by the terminal device. Information can be obtained via a wireless medium. Here, the terminal network control device acquires the device-specific information of the terminal device held by the wireless slave device via the wireless line, so that unauthorized installation can be detected more easily. In other words, when the installation work is completed, the terminal network control device transmits a telegram requesting the device specific information of the terminal device in order to acquire the device specific information of the terminal device assigned to each wireless slave device. Device-specific information of the terminal device can be acquired via the parent device and the wireless slave device. Thereby, in the terminal network control device, the wireless slave device can manage the slave wireless identification code and the device specific information of the terminal device in association with each other. When this combination is broken due to unauthorized installation, the terminal network control device notifies the host computer of the occurrence of unauthorized installation, thereby enabling the host computer to detect unauthorized installation.

  In this wireless telemeter system, the wireless slave device is connected to means for acquiring device specific information held by the connected terminal device and means for storing the device specific information acquired from the terminal device. Means for detecting unauthorized installation of the wireless slave device or the terminal device from the device specific information of the terminal device, and notification of unauthorized installation detection to the host computer via the wireless master device and the terminal network control device Means can be provided. According to this wireless telemeter system, as a final stage of installation work, a message for acquiring device-specific information held by a terminal device connected to each wireless slave device is transmitted from the host computer. Each wireless slave device acquires device-specific information from the connected terminal device and stores it in the nonvolatile memory. The wireless slave device periodically acquires device unique information. If the device unique information has changed, it is determined that an unauthorized installation has occurred, and the wireless slave device is notified to the host computer via the wireless master device and the terminal network control device. On the other hand, by notifying the occurrence of unauthorized installation, it is possible to detect unauthorized installation in the host computer.

  As described above, according to the present invention, a terminal network control device for connecting a measuring device such as a gas meter or a water meter, a warning device, or a terminal device such as a monitoring device for security monitoring, and a gas supply company, for example, Relay the communication between the host computer and the terminal device by connecting the center side network controller connected to the host computer (center server) of the security company through a data communication line such as a public communication line or the Internet communication line. In the telemeter system that enables automatic remote meter reading from the host computer, security video confirmation, gas leak alarm communication from the terminal device to the host computer, etc., the wireless telemeter system can be installed and installed more easily, It is possible to discriminate against unauthorized installation after installation. It is possible to form a radio telemetry system to.

  Hereinafter, a radio telemeter system according to the present invention will be described with reference to the accompanying drawings. A system diagram of a radio telemeter system according to the present invention is shown in FIG. The telemeter system includes a host computer (center server) 2 that remotely controls a measuring device 1 that measures the amount of gas and water used as a terminal device, and a terminal network control device that processes measurement data measured by the measuring device 1 3. Center side network control device 4 for processing control signals from the center server 2 and processing data communication with the terminal network control device 3, data communication between the center side network control device 4 and the terminal network control device 3 Is connected to the data communication line 5 used when performing the measurement, the wireless master device 6 for controlling the wireless data communication between the terminal network control device 3 and the weighing device 1, and the weighing device 1, and is connected to the terminal network control device 3. The wireless slave device 7 is configured to control wireless data communication with the wireless master device 6.

  Next, a more specific embodiment of the terminal network control device 3 according to the present invention will be described with reference to FIG. The terminal network control device 3 includes a communication line interface unit 8 that enables data communication with the center-side network control device 4 (center server 2; both refer to FIG. 1) and the weighing device 1 (see FIG. 1). 1) The meter interface unit 9 that enables data communication with the terminal 1 and setting information required when the terminal network control device 3 performs data communication with the center side network control device 4 (center server 2) and the weighing device 1. And a non-volatile memory unit 10 for storing weighing data from the weighing device 1, a slave unit memory interface unit 12 for connecting the non-volatile memory unit 11 removed from the wireless slave unit 7 (FIG. 1), and terminal network control The ROM 13 in which the control program of the device 3 is stored, the RAM 14 used by the control program during the process processing, and the wireless data communication with the wireless slave device 7 are processed. The line circuit unit 15, the antenna unit 16 that transmits and receives radio waves, the device operation unit 17 that is used when the user controls the operation of the terminal network control device 3, and the control status and data communication status of the terminal network control device 3 An operation display unit 18 for displaying the data, and a system control unit 19 that controls these circuit blocks in an integrated manner and enables data communication between the center server 2 and the weighing device 1 via the center-side network control device 4. The power supply circuit unit 20 converts a DC power supply supplied from the outside into a power supply voltage necessary for the internal circuit to operate.

  The communication line interface unit 8 differs depending on the data communication line type used when the terminal network control device 3 performs data communication with the center side network control device 4, but when using a general public line network, a public line connection circuit is used. And a modem device composed of a modem circuit. As the public line, use of various communication networks such as an analog public line, ISDN, and cellular phone line is assumed, and a modem device corresponding to each communication network is used.

  The meter interface unit 9 is defined by the weighing device 1 connected to the terminal network control device 3 in order to enable the terminal network control device 3 to perform data communication with the weighing device 1 such as a gas meter or a water meter. It consists of a communication circuit that secures the physical interface.

  The ROM 13 has program codes for defining the control contents of the system, the nonvolatile memory unit 10 has information necessary for establishing a data communication link with the center server 2 via the center side network control device 4, and the RAM 14 has In order to store data that the system control unit 19 needs to store temporarily, nonvolatile memory such as flash memory and EEPROM, respectively, increase the processing speed of the system, and the system control unit 19 temporarily stores It is composed of a volatile memory such as SRAM or DRAM for storing data that needs to be performed.

  The slave unit memory interface unit 12 is a nonvolatile memory unit 11 of the wireless slave unit 7 in which data relating to the wireless slave unit 7 and device-specific information of the weighing device 1 connected to the wireless slave unit 7 are stored. It is comprised from the physical interface circuit which enables data communication with.

  The radio circuit unit 15 and the antenna unit 16 are configured by an RF circuit for performing transmission / reception processing of radio band radio waves used in specific low-power radio.

  The device operation unit 17 includes a DIP switch that sets the operation mode of the terminal network control device 3, a tact switch that controls system reset, and the like.

  The operation display unit 18 is configured by a light emitting diode that displays a data communication state between the center server 2 and the weighing device 1 via the center side network control device 4 and a power supply state / operation state of the system.

  The system control unit 19 controls the data communication with the center server 2 and the weighing device 1 via the center side network control device 4 and the data communication with the wireless slave device 7 via the radio circuit unit 15 and displays the operation. The CPU 18 is configured to control the display of the unit 18 and the system clock.

  The power supply circuit unit 20 includes a regulator circuit and a DC / DC conversion circuit for converting a DC power supplied from an AC power supply device into a power supply voltage required by each circuit block.

  Next, a specific embodiment of the wireless slave device 7 used in the present invention will be described with reference to FIG. The wireless slave device 7 includes a meter interface unit 21 to which the weighing device 1 can be connected and data communication with the weighing device 1, and a wireless circuit unit 15 (see FIG. 2) built in the terminal network control device 3. A non-volatile memory unit 11 for storing communication setting information necessary for data communication with the measuring device 1), communication setting information necessary for data communication with the weighing device 1, and weighing data from the weighing device 1. A wireless circuit that processes wireless data communication between the ROM 22 in which the control program of the wireless slave device 7 is stored, the RAM 23 used by the control program during process processing, and the wireless circuit unit 15 incorporated in the terminal network control device 3 Unit 24, antenna unit 25 for transmitting and receiving radio waves, device operation unit 26 used when the user controls the operation of wireless slave device 7, and the control state of wireless slave device 7 An operation display unit 27 that displays a data communication state, a system control unit 28 that controls these circuit blocks in an integrated manner and enables data communication between the terminal network control device 3 and the weighing device 1, and an external supply The power source circuit unit 29 converts the DC power source into a power source voltage necessary for the internal circuit to operate.

  The meter interface unit 21 is defined by the weighing device 1 connected to the wireless slave device 7 in order to enable the wireless slave device 7 to perform data communication with the weighing device 1 such as a gas meter or a water meter. It consists of a communication circuit that secures the physical interface.

  The ROM 22 has a program code that defines the operation control contents of the wireless slave device 7, the nonvolatile memory unit 11 has information necessary for establishing wireless data communication with the terminal network control device 3, and the RAM 23 has system control. In order to store data that needs to be temporarily saved by the unit 28, it is necessary to increase the processing speed of the nonvolatile memory such as flash memory and EEPROM, and the system control unit 28, respectively. In order to store certain data, it is composed of a volatile memory such as SRAM or DRAM.

  The radio circuit unit 24 and the antenna unit 25 are configured by an RF circuit for performing transmission / reception processing of radio band radio waves used in specific low-power radio.

  The device operation unit 26 includes a DIP switch that sets the operation mode of the wireless slave device 7, a tact switch that controls system reset, and the like.

  The operation display unit 27 includes a light emitting diode that displays a data communication state with the terminal network control device 3 and the weighing device 1, a power supply state / operation state of the system, and the like.

  The system control unit 28 controls data communication with the terminal network control device 3 and the weighing device 1 and data communication with the wireless slave device 7 via a wireless circuit, and also performs display control of the operation display unit 27 and an in-system clock. It is comprised by CPU which performs control of these.

  The power supply circuit unit 29 includes a regulator circuit and a DC / DC conversion circuit for converting the DC power supplied from the AC power supply device into a power supply voltage required by each circuit block.

  The data flow in each device is shown in FIG. The center server 2 holds a terminal ID for managing the terminal network control device 3, the wireless master device 6, and all the wireless slave devices 7 constituting the system, and port setting management information of each terminal. Data communication with each device is performed based on the data.

  The terminal network control device 3 can perform data communication with the center server 2 by setting connection information with the center server 2. Therefore, in this system, it is necessary to first set center connection information in the terminal network control device 3 during installation work. After setting the center information in the terminal network control device 3, the terminal network control device 3 requests system management information from the center server 2, and the terminal network control device 3 obtains port setting management information and ID related to itself. Also, the setting management information and ID (terminal ID as a wireless parent device terminal and a wireless child device terminal) related to the wireless master device 6 and the wireless slave device 7 connected to the subordinate and the setting related to the meter interface are acquired. Since the wireless master device 6 stores in advance a parent device wireless identification code that is a device-specific identification code, the terminal network control device 3 also acquires the parent device wireless identification code from the wireless parent device 6. The non-volatile memory unit 11 incorporated in the wireless slave device 7 is preset with a slave wireless identification code. Here, by connecting the detachable nonvolatile memory unit 11 connected to the wireless slave device 7 to the terminal network control device 3, the terminal network control device 3 can identify the slave radio of the wireless slave device 7. The port setting information (setting management information related to the meter interface of the wireless slave device), the wireless slave device terminal ID, and the wireless master device that have been acquired from the center server 2 in advance while acquiring the code 6 is set in the non-volatile memory unit 11 of the wireless slave device 7. Further, the terminal network control device 3 sets the slave unit wireless identification code acquired from the wireless slave device 7 in the wireless master device 6. As a result, the exchange of the identification code between the wireless master device 6 and the wireless slave device 7, that is, the matching work is completed, and the settings related to the terminal ID and port of the wireless master device 6 and the wireless slave device 7 are also completed. To do.

  When a system is configured by a plurality of wireless slave device 7 as a system, it is necessary to perform port setting and matching for each wireless slave device 7. After the above procedure, since the setting information of all terminals constituting the system, that is, system management information is stored in the nonvolatile memory unit 10 of the terminal network control device 3, it is connected to each wireless slave device 7. By connecting the non-volatile memory unit 11 to the terminal network control device 3 while sequentially switching, it becomes possible to perform port setting and edge setting of each wireless slave device 7.

  In this way, once the system management information, which is the setting management information of all system configuration terminals, is downloaded to the terminal network control device 3, only the nonvolatile memory unit 11 of each wireless slave device 7 is used in the slave device memory interface unit 12. Since the information setting and the edge setting are performed by attaching / detaching / connecting to the terminal network control device 3, it is possible to greatly reduce the work time related to the setting work of each wireless slave device 7.

  Further, when the wireless slave device 7 is connected to the weighing device 1, the wireless slave device 7 obtains device-specific information such as a manufacturing number held by the weighing device 1, and the terminal network control device 3 By acquiring the device unique information of the weighing device 1 from the wireless slave device 7 via the device 6, the terminal network control device 3 can obtain "device unique information that is unique information of the weighing device 1", "child device" It is possible to manage the “radio identification code” and the “wireless slave terminal ID” in association with each other. As a result, even if unauthorized installation occurs such as when the weighing device 1 is replaced with another device after the system is installed or when it is replaced with a nearby weighing device 1, the terminal network control device 3 performs the wireless communication in the periodical metering operation. It is possible to confirm the occurrence of unauthorized installation by acquiring device specific information from the weighing device 1 connected to the slave device 7 and collating the device specific information with its own nonvolatile memory unit 10. . When unauthorized installation has occurred, the terminal network control device 3 obtains the terminal ID of the wireless slave terminal 7 connected to the unauthorizedly installed weighing device 1 and the unique information of the unauthorizedly installed weighing device 1. By notifying the center server 2 of the included data as an unauthorized installation occurrence notification signal, the system administrator can recognize in which wireless slave device 7 the unauthorized installation has occurred.

  In addition, when the wireless slave device 7 is installed, device specific information of the weighing device 1 connected to the wireless slave device 7 is stored in the nonvolatile memory unit 11 of the wireless slave device 7 so that the wireless slave device 7 can determine whether the wireless slave device 7 is installed. Can be done. That is, the wireless slave device 7 periodically acquires the device specific information of the weighing device 1 connected to itself and collates with the device specific information held in its own nonvolatile memory unit 11. When unauthorized installation occurs, data including its own wireless slave terminal ID and device specific information of the weighing device 1 is notified to the terminal network control device 3 through the wireless master device 6 as an unauthorized installation detection signal. The terminal network control device 3 that has received the unauthorized installation detection signal from the wireless slave terminal 7 illegally transmits data including the terminal ID of the wireless slave device 6 and the device-specific information of the weighing device 1 to the center server 2. By notifying as the installation occurrence notification signal, the system administrator can recognize in which wireless slave device 7 the unauthorized installation has occurred. As a result, even if the number of wireless slave devices 7 increases, it is not necessary to increase the data traffic exchanged between the wireless master device and each wireless slave device.

  Further, by adopting a structure in which the nonvolatile memory unit 10 of the terminal network control device 3 can be attached and detached, when the terminal network control device 3 fails, setting management information of all system configuration terminals downloaded at the time of installation, that is, system management information By exchanging only the non-volatile memory unit in which the margin information with all the wireless slave terminals is stored, it is possible to avoid performing a new margin operation.

The system block diagram example of the radio | wireless telemeter system by this invention. The circuit block diagram example of the terminal network control apparatus + radio | wireless main | base station apparatus in this invention. The circuit block diagram example of the wireless subunit | mobile_unit apparatus in this invention. The example of a flow of the setting data in each terminal of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Weighing device 2 Host computer (center server) 3 Terminal network control device 4 Center side network control device 5 Data communication line 6 Wireless master unit 7 Wireless slave unit 8 Communication line interface unit 8 Slave unit memory interface unit 10 Non-volatile memory Unit 11 Non-volatile memory unit 12 Slave unit memory interface unit 13 ROM 14 RAM
DESCRIPTION OF SYMBOLS 15 Wireless circuit part 16 Antenna part 17 Equipment operation part 18 Operation | movement display part 19 System control part 20 Power supply circuit part 21 Meter interface part 22 ROM
23 RAM 24 Radio circuit unit 25 Antenna unit 26 Device operation unit 27 Operation display unit 28 System control unit 29 Power supply circuit unit

Claims (5)

A host computer connected to the center-side network control device, a terminal network control device connected to the center-side network control device via a data communication line, and a wireless master device connected to the terminal network control device; A wireless telemeter system comprising one or more wireless slave devices that are wirelessly connected to the wireless master device and each connected to a terminal device;
The host computer stores system management information which is setting management information of each device constituting the system,
The wireless slave device includes means for storing communication setting information used for data communication with the terminal device and the wireless master device and operation setting information for defining an operation condition of the terminal device,
The terminal network controller is
Means for acquiring the system management information held by the host computer;
Means for storing the system management information acquired from the host computer;
Means for acquiring a base unit radio identification code held by the radio base unit;
Means for storing the base radio identification code acquired from the radio base unit;
Means for setting, in the wireless slave unit, slave unit setting management information related to the wireless slave unit included in the system management information acquired from the host computer and the master unit radio identification code acquired from the wireless master unit When,
Means for obtaining a slave unit wireless identification code held by the wireless slave unit;
Means for storing the slave unit radio identification code acquired from the radio slave unit;
And means for setting the handset wireless identification code acquired from the radio personal station device to the wireless master unit device, further,
The wireless slave device includes means for acquiring device-specific information held by the connected terminal device, and means for storing the device-specific information acquired from the terminal device,
In the terminal network control device, the means for acquiring the slave wireless identification code held by the wireless slave device also acquires the device specific information of the terminal device, and acquired from the wireless slave device. The means for storing the slave unit radio identification code also stores the device specific information,
The terminal network control device further includes means for detecting unauthorized installation of the wireless slave device or the terminal device using the slave wireless identification code and the device specific information, and the wireless slave device or the terminal. Means for notifying the host computer of unauthorized installation detection upon detection of the unauthorized installation of a device;
A wireless telemeter system.   The terminal network control device connects the wireless device setting management information obtained from the host computer and the parent device wireless identification code obtained from the wireless parent device by connecting to the wireless child device by wire. 2. The wireless telemeter system according to claim 1, wherein the wireless telemeter system is writable in a nonvolatile memory provided in the wireless slave device. The wireless slave device is detachable from a nonvolatile memory unit that stores the communication setting information and the operation setting information.
The terminal network control device can connect the nonvolatile memory unit removed from the wireless slave device, and the slave unit setting management information obtained from the host computer and the parent device obtained from the wireless master device. A wireless identification code can be written to the non-volatile memory connected to the terminal network control device,
The wireless telemeter system according to claim 1. The terminal network controller, the apparatus unique information, the wireless telemetry system of claim 1, wherein the obtaining through a wireless medium in which the terminal device is held. The wireless slave device is configured to acquire device-specific information held by the terminal device to be connected, means to store the device-specific information acquired from the terminal device, and the device of the terminal device to be connected Means for detecting unauthorized installation of the wireless slave device or the terminal device from specific information, and means for notifying the host computer of unauthorized installation detection via the wireless master device and the terminal network control device. The radio telemeter system according to any one of claims 1 to 3 , wherein

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