Common cooling system for engine and brake resistor
A braking resistor and cooling system technology, applied in engine cooling, engine components, machine/engine, etc., can solve the problems of high total cost, large heat dissipation volume, large installation volume, etc., and achieve the effect of reducing volume and cost
Active Publication Date: 2018-05-29
TSINGHUA UNIV
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Problems solved by technology
[0005] At present, the existing braking resistors often adopt air-cooling configuration, resulting in a large heat dissipation volume; if water-cooling configuration is adopted, the volume of the braking resistor itself can be greatly reduced, but an independent water-cooling system needs to be configured, resulting in a total of The installation volume is large or the total cost is too high, and the installation on the car requires a large volume and space
Method used
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[0019] 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.
[0020] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element refe...
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The invention discloses a common cooling system for an engine and a braking resistor, which comprises a radiator and a cooling fan, wherein the radiator is respectively connected with a cooling circuit of the engine and a cooling circuit of the braking resistor; the cooling fan is used for cooling the radiator; and a coolant of the engine sequentially flows towards the radiator through the radiator, a cooling channel of the braking resistor and a water channel of the engine. By utilizing the characteristic that the engine and braking resistor basically work alternately under output power, the water cooling system of the braking resistor and the cooling system of the engine are shared, thereby solving the problem in heat dissipation of the braking resistor and engine, and further lowering the volume and cost of the overall system.
Description
technical field [0001] The invention relates to the technical field of new energy vehicles, in particular to a common cooling system for an engine and a braking resistor. Background technique [0002] In existing hybrid vehicles, the radiator of the engine is often arranged together with the radiator of the supercharged intercooler of the engine, the radiator of the motor and its controller, and the exchange between the air and the radiators is controlled by the cooling fan. hot. [0003] In the existing new energy vehicle power system, the drive motor and its controller can generate electricity and feed it back to the energy storage system during the braking process, so as to realize the recovery of braking energy and improve the operating economy of the vehicle. However, due to the state of charge (full SOC) of the energy storage system and the small capacity of the energy storage system itself, the feedback power of the motor during braking may exceed the maximum power t...
Claims
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IPC IPC(8): F01P9/04
CPCF01P9/04F01P2050/24
Inventor 李建秋欧阳明高杨福源卢兰光徐梁飞王贺武
Owner TSINGHUA UNIV