Cooling system of hybrid electric vehicle, and hybrid electric vehicle
A hybrid electric vehicle and cooling system technology, which is applied in the combination of power plant cooling layout, power plant, vehicle components, etc., can solve the problem of low output power of hybrid electric vehicles, inability to quickly transfer heat to the engine, and inability to cool the intercooler, etc. problem, achieve high warm-up efficiency, improve warm-up efficiency, and good economy
Pending Publication Date: 2019-03-05
BYD CO LTD
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Problems solved by technology
When the hybrid electric vehicle is in the hybrid power mode, there is a hidden danger that the cooling system will use all the coolant to cool the motor and cannot cool the intercooler, resulting in a reduction in the output power of the hybrid electric vehicle, and the warm-up of the cooling system is slow and the flow The coolant through the engine cannot transfer heat to the engine quickly, so the warm-up effect is not good
Method used
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[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0035] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientatio...
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The invention discloses a cooling system of a hybrid electric vehicle, and the hybrid electric vehicle. The cooling system comprises a reversing assembly, an engine, a motor, a first control valve, asecond control valve, a first radiator, a second radiator and an electronic controller. The reversing assembly comprises a first port, a second port, a third port and a fourth port. A first valve portis connected with a second end of the motor, and a second valve port is connected with a second end of the engine; a third valve port is connected with a first end of the engine; a first end of the first radiator is connected with the third port and the fourth port, a second end of the first radiator and a second end of the motor; a first end of the second radiator is connected with a fourth valve port, and a second end of the second radiator is connected with the second end of the engine and the second valve port. The cooling system of the hybrid electric vehicle has the advantages of good cooling effect, high warming efficiency, simple structure and easy arrangement.
Description
technical field [0001] The invention relates to the field of automobiles, in particular to a cooling system of a hybrid electric vehicle and the hybrid electric vehicle. Background technique [0002] In the related art, the engine in the cooling system of a hybrid electric vehicle uses a single circulation flow path to cool the engine, and the intercooler and the motor share a circulation flow path to cool the intercooler and the motor respectively, and the cooling system can be based on The operating state of the hybrid vehicle adjusts the flow of coolant through the intercooler and the electric motor. When the hybrid electric vehicle is in the hybrid power mode, there is a hidden danger that the cooling system will use all the coolant to cool the motor and cannot cool the intercooler, resulting in a reduction in the output power of the hybrid electric vehicle, and the warm-up of the cooling system is slow and the flow The coolant through the engine cannot transfer heat qu...
Claims
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IPC IPC(8): B60K11/02B60K11/04
CPCB60K11/02B60K11/04
Inventor 詹火明黄利张蕾廖银生赵高明
Owner BYD CO LTD