A vehicle air-conditioning device, comprising at least one thermoelectric cooling chip, a cooling circulator, a heat dissipation device, and a power-supplying and temperature-controlling device,
- wherein the at least one thermoelectric cooling chip has a cooling end and a heating end, the at least one thermoelectric cooling chip having an electricity receiving end electrically connected to the power-supplying and temperature-controlling device to receive electricity therefrom to be energized so as to have the cooling end forming a cold generating surface and the heating end that is opposite to the cold generating surface forming a heat generating surface, the cold generating surface being arranged adjacent to the cooling circulator, and the heat generating surface being adjacent to the heat dissipation device,
- wherein the cooling circulator comprises a tube-winding circulation box, a temperature-receiving water tank, a temperature-receiving conducting plate, a cooling-side fan, and an assistive temperature transferring device, wherein the tube-winding circulation box has a surface on which temperature-reduction conducting fins are distributed and the assistive temperature transferring device comprises an electric water pump, wherein the temperature-receiving water tank is connected, through piping in a circulating manner, to the tube-winding circulation box and the temperature-receiving water tank is stacked under the cold generating surface of the at least one thermoelectric cooling chip in such a way that the temperature-receiving conducting plate is stacked between the temperature-receiving water tank and the cold generating surface of the at least one thermoelectric cooling chip and is in direct contact with the temperature-receiving water tank and the cold generating surface of the at least one thermoelectric cooling chip, and wherein the cooling-side fan is arranged on a peripheral area of the temperature-reduction conducting fins, such that the cooling-side fan drives air toward a vehicle interior by having the air flowing and circulating through the tube-winding circulation box that is internally provided with the temperature-reduction conducting fins, and wherein the electric water pump is mounted, at a predetermined location, to piping of the tube-winding circulation box that circulates a pumped flow back to the temperature-receiving water tank;
- wherein the heat dissipation device comprises a heat-dissipating fan arranged in an engine compartment of a vehicle and arranged adjacent to or on the heat generating surface of the at least one thermoelectric chip and an air filter screen arranged frontward of the heat-dissipating fan, and the power-supplying and temperature-controlling device has a power supplying output terminal electrically connected to the thermoelectric cooling chip and a power input terminal electrically connected to a power supply of the vehicle, a main control interface device comprising a panel on which a power-on switch, a temperature increasing/decreasing control switch, and a constant-temperature control switch are provided for setting a predetermined fixed temperature or for controlling increasing and decreasing of temperature to thereby achieve a predetermined temperature inside a vehicle compartment through the heat dissipation device and the cooling circulator;
- wherein the temperature-receiving water tank is in direct contact with the temperature-receiving conducting plate that is in turn in direct contact with the cold generating surface of the at least one thermoelectric cooling chip such that heat is transferred between the temperature-receiving water tank and the cold generating surface of the at least one thermoelectric cooling chip by means of heat conduction through the temperature-receiving conducting plate.