COOLING SYSTEM OF HIGHLY AUTOMATED ELECTRIC CARGO VEHICLE OF N3 CATEGORY Russian patent published in 2024 - IPC B60K11/02 F01P3/20 

FIELD: cooling devices.

SUBSTANCE: invention relates to cooling devices for freight electric highly automated vehicles of the N3 category, intended for cooling the main heat-loaded elements of the vehicle. The cooling device of a cargo vehicle contains a hydraulic liquid cooling circuit, which includes an electric motor (3), the cooling jacket of which is connected by pipes to the pressure manifold by means of a fitting fixed in the electric motor housing (3). The pressure manifold (2) is connected by pipes to the cooling jacket of the supply power inverter (4) by means of a fitting fixed in the body of the power inverter (4), with the cooling jacket of the charger unit (5) by means of a fitting fixed in the body of the charger unit (5), with a cooling jacket of a step-down DC/DC voltage converter (6) by means of a fitting fixed in the body of a step-down voltage converter DC/DC (6), with a cooling jacket of a pneumatic compressor (7) by means of a fitting fixed in the body of a pneumatic compressor (7). The electric motor feeding the power inverter, the charger unit, the DC/DC step-down voltage converter and the pneumatic compressor are connected by drain lines to the drain manifold (8) through pipes connected to fittings located in the drain manifold body (8). A resistive-type submersible temperature sensor (9) is mounted in the drain manifold at the outlet and operates in the range from -40 to +110°C. The drain manifold is connected to the radiator of the cooling system (10) by pipes through connections through fittings located both on the side of the drain manifold (8) and in the radiator housing of the cooling system (10). The cooling system radiator (10) is connected by pipes to the expansion tank (11) with fittings located in the expansion tank (11). The cooling system radiator (10) is connected by pipes to the inlet of the cooling system pump (1) through a fitting fixed in the cooling system pump housing (1).

EFFECT: ensuring safe and stable operation of the components of an electric cargo vehicle.

1 cl, 1 dwg