Demonstration instrument of electric cooker and refrigerator temperature controllers

Abstract

The invention relates to a demonstration instrument, in particular to a demonstration instrument of an electric cooker and refrigerator temperature controllers, belonging to the technical field of teaching instruments. The temperature controller demonstration instrument consists of a power supply switch, a heater switch, a heater, a transfer switch, an electric cooker temperature controller, a refrigerator temperature controller, a bulb, a thermometer, a casing, a bracket and a base. The demonstration instrument is characterized in that the heater switch and the heater are connected in series and are connected with a 220V power supply input end through the power supply switch; a center end of the transfer switch is connected with the 220V power supply input end through the power supply switch; one end of the electric cooker temperature controller connected with the refrigerator temperature controller is connected with the transfer switch; the other end of the electric cooker temperature controller is connected with the bulb which is arranged above the casing; the electric cooker temperature controller and the refrigerator temperature controller are fixed on the bracket in the casing; and the thermometer is inserted into the casing. With the technical scheme, the invention has the advantages of simple and convenient operation and full understanding at one glance.

Description

technical field [0001] The invention relates to a demonstrator, in particular to a demonstrator of an electric rice cooker and a refrigerator thermostat, belonging to the technical field of teaching instruments. Background technique [0002] At present, the technology of rice cookers and refrigerators has matured and has been widely used. However, in the teaching of the technical principles of household appliances, the explanation of the structure and operation principles of the thermostats of rice cookers and refrigerators is often dull and tasteless. The operation process of the refrigerator thermostat. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide an electric rice cooker and an electric refrigerator thermostat demonstration instrument, which can intuitively demonstrate the action process of the electric rice cooker and the electric refrigerator thermostat. [0004] The purpose of the present invention is to achieve in this way: it...

AI Technical Summary

Problems solved by technology

[0002] At present, the technology of rice cooker and refrigerator is mature and has been widely used. However, in the teaching of the technical principles of household appliances, the explanation of the structure and action principle of rice cooker and refrigerator thermostat is often dull and boring. Operation process of refrigerator thermostat

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