Method for controlling engine to be automatically stopped or started based on comfort of vehicle-mounted air conditioner

A vehicle-mounted air conditioner and engine technology, which is applied to vehicle components, air handling equipment, heating/cooling equipment, etc., can solve the problems of reducing the chance of stop-start function, poor occupant comfort experience, and high power consumption of electric air conditioners. Achieve the effect of avoiding high cost and high power consumption, simple and clear control method, and improving comfort experience

Active Publication Date: 2014-06-11
SAIC MOTOR
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the above scheme has the following problems: (1) For the first method, because the cost of the electric air conditioner is relatively high, it is not suitable for use on low- and middle-grade vehicles; (2) For the second method, since it is only applicable to the automatic air conditioner with the cabin temperature sensor installed, it is not suitable for the manual air conditioner without the cabin temperature sensor. Applicable, in addition, the difference between the actual temperature in the cabin and the temperature set by the driver is not known to the occupan

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  • Method for controlling engine to be automatically stopped or started based on comfort of vehicle-mounted air conditioner
  • Method for controlling engine to be automatically stopped or started based on comfort of vehicle-mounted air conditioner
  • Method for controlling engine to be automatically stopped or started based on comfort of vehicle-mounted air conditioner

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Embodiment Construction

[0023] figure 1 is a flowchart of a method for controlling automatic engine stop and start according to an embodiment of the present invention. Such as figure 1 As shown, the method for controlling the automatic engine stop and start disclosed in the present invention includes the following steps: (A1) judging whether the current automatic engine stop is suitable based on the allowable stop and start range, wherein the allowable stop and start range is determined by the following method: if the current The set air volume of the vehicle air conditioner is less than or equal to the air volume threshold, and the current set temperature of the vehicle air conditioner is greater than or equal to the temperature lower threshold and less than or equal to the temperature upper threshold, the engine is allowed to stop automatically, otherwise the engine is automatically stopped; (A2) If If the judgment result is "suitable for shutdown", the engine is allowed to automatically shut down...

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Abstract

The invention provides a method for controlling an engine to be automatically stopped or started. The method comprises the following steps of judging that whether the engine is applicable to be automatically stopped at present or not based on an allowable scope of stop or start; under the circumstance of a judging result 'Applicable', allowing the engine to be automatically stopped, and under the circumstance of a judging result 'Inapplicable', prohibiting the engine from being automatically stopped. According to the method for controlling the engine to be automatically stopped or started disclosed by the invention, the cost is lower; moreover, while the comfort of a vehicle-mounted air conditioner is improved, the chance of exerting the stopping or starting function of the engine is added.

Description

technical field [0001] The present invention relates to a method for controlling the automatic stop and start of an engine, more particularly, to a method for controlling the automatic stop and start of an engine based on the comfort of a vehicle air conditioner. Background technique [0002] At present, with the increasing development and popularization of vehicles, it is becoming more and more important to save fuel consumption through automatic engine stop and start technology. [0003] The existing engine automatic stop and start control method automatically cuts off the fuel supply of the engine when the vehicle stops, stops the engine to save the fuel consumption of the engine at idle speed, and automatically starts the engine when the vehicle is ready to start to provide the power required for driving the vehicle. [0004] However, since the engine is also the cooling source and heating source of the vehicle air conditioner, the automatic stop and start of the engine ...

Claims

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Application Information

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IPC IPC(8): B60H1/00
Inventor 霍宏煜周磊王强关懿峰韦伦文刘凡
Owner SAIC MOTOR
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