On-site calibration instrument for power utilization metering equipment in transformer area

An on-site calibrator for electricity metering equipment in a transformer area comprises a shell (1) and a protective cover, an operation panel is mounted on the shell (1), a calibrator is mounted below the operation panel, the on-site calibrator is characterized in that the shell (1) comprises a si...

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Bibliographic Details
Main Authors ZHOU DONGCHAO, GUO XUEJING, REN GUANGHAI
Format Patent
LanguageChinese
English
Published 28.01.2022
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:An on-site calibrator for electricity metering equipment in a transformer area comprises a shell (1) and a protective cover, an operation panel is mounted on the shell (1), a calibrator is mounted below the operation panel, the on-site calibrator is characterized in that the shell (1) comprises a side plate (2), the side plate (2) comprises a heat conduction layer (3) on the inner side and a supporting layer (4) on the outer side, the heat conduction layer (3) and the supporting layer (4) are tightly attached together, and the protective cover is arranged on the side plate (2). The supporting layer (4) is provided with a refrigerating sheet mounting hole (41), a refrigerating sheet (5) is mounted on the outer side face of the heat conduction layer (3), a cooling sheet (6) is mounted on the supporting layer (4), the cooling sheet (6) is tightly attached to the outer side face of the refrigerating sheet (5), and a fan (7) is mounted on the cooling sheet (6). The interior of the instrument is cooled through the
Bibliography:Application Number: CN202121884727U