Disclosed are an electric vehicle thermal management system, a battery thermal management method and an electric vehicle. The electric vehicle thermal management system comprises a first loop, a second loop, a first temperature control mechanism, a second temperature control mechanism, a conveying mechanism and a release mechanism, wherein the first loop transmits a first heat conducting agent; a battery and the first temperature control mechanism are respectively connected to the first loop; the second loop transmits a second heat conducting agent; the second temperature control mechanism and a driving motor are respectively connected to the second loop; the conveying mechanism is respectively connected to the first loop and the second loop; and the release mechanism is connected to the first loop, such that a battery fire disaster is effectively prevented from occurring, and the safety of the vehicle is improved.

A thermal management system includes a high-temperature side heating medium circuit, a low-temperature side heating medium circuit, a device heating medium circuit, a circuit connection portion and a circuit switch unit. The circuit switch unit switches between an operation mode in which a heating medium that passed through the low-temperature side heating medium circuit is circulated through any one of the high-temperature side heating medium circuit and the device heating medium circuit via the circuit connection portion and an operation mode in which the high-temperature side heating medium circuit, the low-temperature side heating medium circuit, and the device heating medium circuit are connected via the circuit connection portion, and the heating medium is circulated through a heat generation device, a device heat exchange unit, a heating unit, and a heater core.

A thermal management system includes a switching valve that switches between a first mode in which first and second flow paths are separated and a second mode in which parts of the first and second flow paths are connected. In the first mode, a control unit acquires measured values of first and second temperatures in the first and second flow paths and estimated values of the first and second temperatures when the switching valve is not in a slightly open state. The switching valve is in the slightly open state when the measured value of the first temperature is higher than the estimated value of the first temperature by a value greater than a first predetermined threshold and the measured value of the second temperature is lower than the estimated value of the second temperature by a value greater than a second predetermined threshold.

An exemplary thermal management system includes, among other things, a valve, a radiator loop configured to be connected to the valve, a power electronics loop configured to be connected to the valve, a heater loop configured to be connected to the valve, and a battery loop configured to be connected to the valve. The valve is configured to connect one or more of the radiator, power electronics, heater, and battery loops together and the valve is configured to isolate at least one of the radiator, power electronics, heater, and battery loops from any remaining loops of the radiator, power electronics, heater, and battery loops.

A heat management system disclosed herein is used for an electric vehicle. The heat management system may comprise an oil cooler, an oil pump, a converter cooler, a first heat exchanger, a second heat exchanger, a first channel, a second channel, a channel valve, a bypass channel, and a controller. While executing the heat pump mode, the controller may be configured to periodically execute an operation of: switching the channel valve from the second valve position to the first valve position and activating the oil pump; and returning the channel valve from the first valve position to the second valve position and inactivating the oil pump in response to a predetermined time having passed.

A battery coolant heater assembly including a coolant manifold having liquid coolant pathways and a heat transfer surface for transferring heat to liquid coolant flowable within the coolant manifold, an electric heater element thermally contacted to the heat transfer surface of the manifold, and a cover sealably enclosing the heating element between the heat transfer surface and the cover via a gasket. The electric heater element is electrically connected via an electrical connector extending through and formed integrally with the gasket.

A system includes heat generating components in a vehicle and a coolant flow path connected to the heat generating components. The system includes a coolant pump that circulates coolant through the coolant flow path and a reversing mechanism that reverses a direction of circulation of coolant.

A heat transfer medium circuit for a motor vehicle has a first partial circuit having at least one heating device and/or at least one cooling device; a second partial circuit having an electric energy store for supplying an electric motor for driving the motor vehicle; and a mixing device, which is switched selectively to at least one first operating state, at least one second operating state, and at least one third operating state. The first partial circuit has at least one passenger compartment heating device for heating a passenger compartment and/or at least one passenger compartment cooling device for cooling a passenger compartment.

A battery system has a plurality of battery cells including a first battery cell. Each battery cell includes a casing enclosing an anode and a cathode. The battery system also includes a first fluid circulation system with a plurality of fluid conduits including a first fluid conduit that is adjacent to the first battery cell, where the first fluid circulation system is configured to circulate a first fluid through the battery system in a first direction. The battery system also includes a second fluid circulation system with a plurality of fluid conduits including a first fluid conduit that is adjacent to the first fluid conduit of the first fluid circulation system. The second fluid circulation system is configured to circulate a second fluid through the battery system in a second direction that is opposite the first direction.

A method for controlling heating of a vehicle thermal management system is provided. The method includes activating, by a controller, a compressor of an HVAC subsystem when heating of a passenger compartment is required and determining whether a heat rejection from a powertrain component is greater than or equal to a reference heat rejection. A powertrain-side pump is activated and a battery-side pump is stopped when the heat rejection is greater than or equal to the reference heat rejection. A refrigerant circulating in the HVAC subsystem exchanges heat with a powertrain coolant having absorbed heat from the powertrain component.