Temperature controller automatic calibration device for transformer

• Main Authors: CANG AIPING, QIU BOYIN, LIU YINFENG, LIU WEIWEI, QUAN FENGHUI, WU DA
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

The utility model discloses an automatic calibration device for temperature controllers for transformers, which comprises a computer host, a thermostatic bath and a standard platinum resistance thermometer, a support is arranged in the thermostatic bath, and a plurality of temperature controllers for transformers and a plurality of standard platinum resistance thermometers are placed on the support. The plurality of temperature controllers for the transformer and the standard platinum resistance thermometer are electrically connected with a scanning switch, the scanning switch is electrically connected with a digital multimeter, and the digital multimeter is used for measuring a resistance value acquired by the scanning switch and is electrically connected with a computer host through a communication interface. According to the utility model, automatic calibration work of display value error, action temperature difference and on-off temperature difference at a computer host end is realized; the automatic cali