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Measured data synchronization system and measured data synchronization method

A technology for measuring data and synchronizing systems, which can be used in synchronization, signal transmission systems, clocks driven by synchronous motors, etc.

Inactive Publication Date: 2011-04-27
YOKOGAWA ELECTRIC CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, adding a special hardware structure not only increases the cost, but also complicates the entire system and increases man-hours for development.
In addition, due to hardware limitations (the number of connected units, the length of the synchronization signal line), it is difficult to achieve high-speed and multi-channel

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  • Measured data synchronization system and measured data synchronization method

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Embodiment Construction

[0044] Hereinafter, specific embodiments of the present invention will be described in detail according to the accompanying drawings.

[0045] figure 1 The overall configuration of the present invention is shown. Wherein, the data processing device 30 is, for example, a device with data processing capability such as a computer, which is connected to the general signal line 10 . The measurement unit 40 is composed of a plurality of measurement devices such as measuring devices or sensors (hereinafter referred to as units) 41-4n (n is a natural number), and each unit 41-4n is connected to the general signal line 10 to exchange data with the data processing device 30 . In addition, the data processing device 30 and each of the units 41 to 4n have a general-purpose communication circuit 10A, and input and output of data are performed through the general-purpose communication circuit 10 .

[0046] figure 2 A specific configuration of the data processing device 30 is shown. T...

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Abstract

The invention provides a measured data synchronization system which is used for synchronously processing measured data from a plurality of measuring devices. The measured data synchronization system is characterized by comprising a signal wire, a plurality of measuring devices and a data processing device, wherein a plurality of measuring devices send a group of data composed of measured data, measuring time and identifications of the measuring devices to the signal wire; and the data processing device obtains the group of data from the signal wire, obtains pre-stored measuring time corrected values corresponding to the identifications of the measuring devices according to the identifications of the measuring devices in the group of data, and then utilizes the measuring time corrected values to correct the measuring time in the group of data. According to the synchronization system, as synchronizing signals are not needed to be provided to each measuring device, a particular hardware construction for the synchronizing signals is not needed. In addition, as the measuring devices do not need to record reference time and send the reference time back to the data processing device again, a particular firmware for the reference time is not needed to be arranged in the hardware of the measuring devices.

Description

technical field [0001] The present invention relates to a measurement data synchronization system and measurement data synchronization method in which a plurality of measurement devices such as measuring devices or sensors (hereinafter referred to as units) are connected to a data processing device such as a computer and a measurement data synchronization method, in particular to an unlimited number of measurement devices, A measurement data synchronization system and a measurement data synchronization method capable of ensuring that measurement data between measurement devices are kept in sync. Background technique [0002] In the case of using multiple units to measure various physical quantities of the measured object such as temperature, voltage, etc., or in the case of measuring the physical quantities of the measured object at multiple locations, it is necessary to ensure the measurement results between multiple units synchronization. The measurement data synchronizat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04G7/00G04G5/00G08C15/06
Inventor 谷诘靖宏周伟李峰厚
Owner YOKOGAWA ELECTRIC CORP
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