Device and method for multi-channel temperature calibration

Abstract

The invention relates to a device and a method for multi-channel temperature calibration. The method comprises the steps that: a calibration personnel controls an upper computer, and when a set temperature value is reached, a temperature indicating value of a calibrated sensor A1 and indicating value data of a temperature standard meter at the same time are uploaded to the upper computer; after aset time S1 arrives, a central processor of a multi-channel temperature module controls a plurality of pairs of double-pole double-throw relays to switch off, a channel interface T2 end is conducted by switching on double-pole double-throw relays A1, and a temperature indicating value of a calibrated sensor A2 and indicating value data of the temperature standard meter at the same time are uploaded to the upper computer, so as to complete calibration of the calibrated sensors in sequence; the obtained data is compared according to rules, a calibration certificate is generated according to thesensor determined to be qualified, and the calibration certificate is printed, output and uploaded to a server; and for the sensor determined to be unqualified, the calibration personnel switches theunqualified calibrated sensor to a current data acquisition state through manually switching buttons for reexamination and debugging. The invention can simultaneously realize the verification work ofthe 8-way tested temperature sensor and improve the verification efficiency. The device and the method can realize the calibration of 8 channels of tested temperature sensors, and improve the calibration efficiency.

Description

technical field [0001] The invention relates to an automatic verification device, in particular to a device and method for multi-channel temperature verification, which is used for the verification of temperature sensors. Background technique [0002] Temperature is one of the basic elements of meteorological observation. The basic meteorological stations in my country mainly use four-wire platinum resistance temperature sensors; the base number of temperature sensors is large, and the verification cycle is required to be short. At present, the verification process of temperature sensors in automatic weather stations in my country is subject to manual operation. The impact is large, the verification time is long, the work efficiency is low, and the degree of automation is not high. The verification equipment used by the prefecture-level metrological verification department of the meteorological department is far from meeting the current verification workload. Contents of the...

AI Technical Summary

Problems solved by technology

[0002] Temperature is one of the basic elements of meteorological observation. The basic meteorological stations in my country mainly use four-wire platinum resistance temperature sensors; the base number of temperature sensors is large, and the verification cycle is required to be short. At present, the verification process of temperature sensors in automatic weather stations in my country is subject to manual operation. The impact is large, the verification time is long, the work efficiency is low, and the degree of automation is not high. The verification equipment used by the metrological verification department of the meteorological department is far from meeting the current verification workload.

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