Temperature sensing liquid medium of liquid-filled temperature control device of heat producing apparatus and temperature control device

A liquid-filled temperature control device of heating producing apparatus, comprising a temperature sensing part, a power part and a switching part, wherein the temperature sensing part is a capillary (3), one end of the capillary (3) is sealed, and another end of the capillary is connected with the power part, characterized in that, an enclosed space formed by the capillary (3) and a cavity of the power part is filled with temperature sensing liquid medium;

• the temperature sensing liquid medium is a mixed solution composed of water, ethanol and ethylene glycol or two of these three components;
• or, the temperature sensing liquid medium is a mixed solution composed of water, methanol and ethylene glycol or two of these three components;
• the power part is a disk-type shell enclosed by a close cover (1) and an elastic diaphragm (2), wherein the top of the close cover (1) is communicated with the capillary (3);
• the enclosed space is formed by the disk-type shell and the inside of the capillary (3);
• the switching part comprises a base (4), a push rod guide disc (5) is set at the top of the base (4), a push rod (6), which can move up and down freely in the through hole, is set in the through hole in the middle of the push rod guide disc (5);
• the elastic diaphragm (2) of the power part is set on the upper end of the push rod guide disc (5) and corresponds to the upper terminal of the push rod (6);
• the switching part also comprises a spring leaf (9), electric contactors, an connecting terminal, wherein the connecting terminal is set on the base (4), one end of the spring leaf (9) is fixed on the bracket (7.1) of the first terminal (7), the another end of the spring leaf (9) is a cantilevered end, a fixed contactor (10) is set on the terminal of the cantilevered end and is opposite to a moving contactor (11) which is set on the second terminal (8);
• lower terminal of the push rod (6) is supported on the spring leaf (9).