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Device calibration method, mobile correction device and field measurement equipment
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A technology for on-site measurement and calibration devices, applied in the field of calibration, to achieve the effect of reducing economic losses, reducing measurement errors, and prolonging the service life of the site
Inactive Publication Date: 2016-03-02
SHENZHEN HIETECH ENERGY TECH
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[0004] The purpose of the embodiments of the present invention is to propose a method for calibrating a device, a mobile calibrating device, and on-site measuring equipment, aiming at solving the problem of how to calibrate electric energy measuring equipment on site
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Embodiment 1
[0049] refer to figure 1 , figure 1 It is a schematicflowchart of the first embodiment of the method for calibrating the device according to the embodiment of the present invention.
[0050] In Embodiment 1, the method for calibrating the device includes:
[0051] Step 101, obtaining the calibration data of on-site measurement and obtaining the data to be calibrated sent by the on-site measurement equipment;
[0052] Preferably, said obtaining the calibration data of on-site measurement and obtaining the data to be calibrated sent by the on-site measurement equipment includes:
[0053] Obtain the data to be calibrated sent by the on-site measurement equipment through the RS485 communication line.
[0054] Specifically, the mobile calibration device reads the measurement data of the electric energy measurement equipment through the RS485 port, and at the same time sends the calibration coefficient to the electric energy measurement equipment through the RS485 port. The dat...
Embodiment 2
[0068] refer to figure 2 , figure 2 It is a schematicflowchart of the second embodiment of the method for calibrating the device according to the embodiment of the present invention.
[0069] On the basis of Embodiment 1, before the said on-site measurement equipment is calibrated, it also includes:
[0070] Step 105, setting calibration parameters, the calibration parameters include mode configuration parameters, channel gain configuration parameters, EMU unit configuration parameters, high-frequency pulse output configuration parameters, voltage loss threshold setting parameters, and startup threshold setting parameters.
Embodiment 3
[0072] refer to image 3 , image 3 It is a schematicflowchart of the third embodiment of the method for calibrating the device according to the embodiment of the present invention.
[0073] In the third embodiment, the method for calibrating the device includes:
[0074] Step 301, sending calibration data to the mobile calibration device through the RS485 communication line;
[0075] Step 302, receiving the calibration parameters sent by the mobile calibration device through the RS485 communication line.
[0076] Specifically, the mobile calibration device reads the measurement data of the electric energy measurement equipment through the RS485 port, and at the same time sends the calibration coefficient to the electric energy measurement equipment through the RS485 port. The data is transmitted and received through RS485, so that such a mobile proofreading device can be applied to most sites and has high compatibility.
[0077] The mobile proofreading device of the pres...
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Abstract
The invention discloses a device calibration method, a mobile correction device and field measurement equipment. According to the method, through correction data measured in the field, to-be-corrected data sent by the field measurement equipment is acquired; a difference value between the correction data and the to-be-corrected data is acquired; if the difference value between the correction data and the to-be-corrected data is smaller than or equal to a preset difference value, a correction flow is quitted; if the difference value between the correction data and the to-be-corrected data is greater than the preset difference value, the field measurement equipment is corrected, a field correction problem of electric energy equipment is solved, mounting errors can be greatly reduced, persuasive data support is provided for metering and analysis on electric energy consumption, field service life of the electric energy equipment can be prolonged, the electric energy equipment which operates for a long term, is not corrected timely and has relatively large deviation is eliminated, and economic loss is substantially reduced for users and enterprises.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of calibration, and in particular, to a method for calibrating a device, a mobile calibration device and on-site measuring equipment. Background technique [0002] With the rapid development of the economy, electric energy has become an important role of the times, due to its indispensability. The most basic equipment surrounding electrical energy is its measurement equipment. Whether the electrical energy can be accurately measured depends on the accuracy of the measuring equipment. General measuring instruments need to be calibrated regularly, and electric energy measuring equipment is no exception. However, most of the electric energy measurement equipment is installed on site, and needs to run for a long time, and cannot be disassembled. The traditional laboratory calibration method is obviously unable to meet this situation, which requires a mobile calibration method and equ...
Claims
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Application Information
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