Heating management system for hybrid vehicle

A hybrid electric vehicle and management system technology, applied in the field of hybrid electric vehicles, can solve the problems of reducing pure electric driving range and consuming high-voltage battery energy, and achieve the effects of reducing energy consumption, extending driving range and improving economy

Active Publication Date: 2014-12-10
奇瑞新能源汽车股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional passenger compartment heating and defrosting and defogging functions cannot be satisfied, and a PTC electric heater needs to be added to realize this funct

Method used

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  • Heating management system for hybrid vehicle
  • Heating management system for hybrid vehicle
  • Heating management system for hybrid vehicle

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[0017] The purpose of the present invention is to propose a heating management system for the passenger compartment of a plug-in hybrid vehicle. The plug-in hybrid has both traditional car engine working modes and pure electric working modes. In the pure electric working mode, the traditional The cockpit heating, defrosting and defogging functions cannot be met, so adding a set of overwater PTC heater 6 to meet this demand, but in the hybrid working mode, continuing to use this overwater PTC heater 6 for heating will consume high-voltage batteries This patented heating management system has a novelty in the hybrid power mode, which uses high-temperature cooling water from the engine to pass through the water-passing PTC heater 6 to heat the passenger compartment. , So as to meet the passenger heating demand, it can also achieve the function of defrosting and defogging. The energy consumption is reduced, the driving range in pure electric mode is extended, the economy of the veh...

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Abstract

The invention discloses a heating management system for a hybrid vehicle. The heating management system comprises an engine heating large cycle and an electric heating small cycle. The engine heating large cycle is used for heating a water way, and the water way forms a circulating loop sequentially through an engine circulating water pump, a thermostat, an inlet B of a three-way valve, an outlet C of the three-way valve, a passing water PTC (positive temperature coefficient) heater and a cab heating unit; the electric heating small cycle is used for heating the water way; the water way forms another circulating loop sequentially through a PTC water pump, an inlet A of the three-way valve, the outlet C of the three-way valve, the passing water PTC heater and the cab heating unit. The heating management system has the advantages that in a hybrid mode (in which an engine runs), a passenger compartment is heated by high-temperature cooling water flowing out of the engine and passing the passing water PTC heater, the demand of passengers for heating is met, a defrosting function and a defogging function are achieved, energy consumption is lowered, all-electric mode driving range is widened, the whole hybrid vehicle is more economical, and the environmental friendliness of the hybrid vehicle is better embodied.

Description

technical field [0001] The invention relates to the field of hybrid electric vehicles, in particular to a heating management system of the hybrid electric vehicle. Background technique [0002] With the development of modern high-tech and the increasingly prominent two major problems of environment and energy in today's world, plug-in hybrid electric vehicles have become the focus of the automotive industry due to their superior environmental protection features, but plug-in hybrid electric vehicles have transmission vehicles The working mode of the engine also has a pure electric working mode. In this mode, only the electric motor drives the vehicle to work. The traditional passenger compartment heating and defrosting and defogging functions cannot be satisfied, and a PTC electric heater needs to be added to realize this function. If this PTC electric heater is also used in the hybrid working mode, it will consume the energy of the high-voltage battery and reduce the Pure ...

Claims

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Application Information

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IPC IPC(8): B60H1/03
Inventor 张兴林
Owner 奇瑞新能源汽车股份有限公司
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