Interlock circuit of air conditioner of electric automobile control

• Main Authors: SONG SHUAISHUAI, HU FAN, ZHANG HUAZHE, CHEN SHAOQIN
• Format: Patent
• Language: Chinese; English
• Published: 13.04.2018
• Subjects: ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

The utility model provides an interlock circuit of air conditioner of electric automobile control, including first relay, second relay, third relay with the fourth relay, the first end of first relayis held with the first end of second relay is continuous, just the fourth end is continuous with the second end of second relay on third termination ground through a control switch ground connection,second, then the third end of electricity links to each other with the power second, fourth the 2nd control switch at the end and power link to each other, the first end of third relay is with the power is continuous, the second end is connected between the first end of the second end of first relay and second relay, the third end links to each other just, and the fourth end links to each other with the power with PTC thermistor, not the first termination ground of fourth relay, second end and third end are connected between the second end of the fourth end of first relay and second relay, andthe fourth end links to ea