Remote calibration method and system

A technology for remote calibration and to-be-calibrated, applied in measuring devices, instruments, measuring electrical variables, etc., can solve problems such as inconvenience, reduce the use efficiency of instruments and equipment, waste of resources, etc., to improve efficiency, promote the flow of information, and ensure accuracy. sexual effect

Inactive Publication Date: 2009-05-20
GUANGDONG INST OF METROLOGY
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Problems solved by technology

This not only greatly reduces the use efficiency of instruments and equipment, but also requires the calibration organization to send professional personnel to the local area for calibration for large-scale equipment or instruments, which is very inconvenient
Calibration institutions and manufacturers both purchase calibration equipment at the same time, resulting in a large waste of resources

Method used

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  • Remote calibration method and system
  • Remote calibration method and system
  • Remote calibration method and system

Examples

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Embodiment Construction

[0035] The present invention will be further discussed below in conjunction with the accompanying drawings. The standard source takes FLUKE 5520A as an example, and the instrument to be calibrated takes FLUKE 45 as an example. The parallel connection method is adopted, and the data cable adopts DB9 crossover line.

[0036] Such as figure 1 A remote calibration system shown includes: a remote client 2 for calibrating the instrument to be calibrated; a calibration center 1 for setting, reviewing calibration items and monitoring the calibration process; and a network 3 connecting the remote client 2 and the calibration center 1 . The remote client 2 includes a remote calibration host 21 , and a standard source 22 connected to the remote calibration host 21 , a temperature probe 23 and a monitoring camera 24 . The standard source 22 is connected to the instrument 4 to be calibrated through a dedicated cable, and the instrument 4 to be calibrated and the standard source 22 are con...

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Abstract

The invention relates to the field of instrument calibration. The technical problem to be solved by the invention is to overcome the defects in the prior art and provide a remote calibration method by which a calibration mechanism can conveniently telemonitor a great deal of instruments and a system thereof. The method comprises: a remote client sends a calibration request and calibration environment parameters to a calibration center through a network; the calibration center checks whether the calibration request and calibration environment parameters meet requirements; the calibration center picks up a corresponding calibration file, instrument control file and data processing file from a calibration item data base, encrypts the files and sends the files to the remote client by the network; the remote client executes a standard source to calibrate a calibration instrument, and returns the calibration process back to the calibration center by the network; and finally, the calibration center records the calibration process and results. The adoption of the component type remote adjusting system greatly facilitates the improvement of calibration systems with high performance.

Description

technical field [0001] The invention relates to the field of instrument calibration, in particular to a remote calibration method and system for electronic equipment. Background technique [0002] With the rapid development of computer technology and network technology and its wide application in electronic measurement technology, new testing theories and testing methods are constantly emerging. Remote calibration technology combines hardware communication technology, network technology and calibration project database technology to integrate signal acquisition, processing, storage, transmission and management. On the one hand, many expensive hardware resources can be shared, and on the other hand, it is convenient to calibrate the system. Expansion and improvement of calibration efficiency. For example, FLUKE's MET CAL, AGILENT's IO and NI's Labview have been widely used in enterprises, but their applications in calibration institutions are somewhat limited. [0003] This...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/00
Inventor 潘嘉声何绘宇陈明华
Owner GUANGDONG INST OF METROLOGY
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