Pure electric automobile as well as control method and control device for cooling system thereof

A pure electric vehicle and cooling system technology, applied in the field of electric vehicles, can solve the problem of not achieving active energy saving, and achieve the effect of increasing the cruising range and optimizing the energy efficiency ratio

Active Publication Date: 2018-07-20
国机智骏汽车有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the control scheme is simple and easy to implement, it does not achieve

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  • Pure electric automobile as well as control method and control device for cooling system thereof
  • Pure electric automobile as well as control method and control device for cooling system thereof
  • Pure electric automobile as well as control method and control device for cooling system thereof

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[0034] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0035] The following describes the control method of the cooling system in the pure electric vehicle, the control device of the cooling system in the pure electric vehicle and the pure electric vehicle with the control device of the cooling system according to the embodiments of the present invention with reference to the accompanying drawings.

[0036] figure 1 It is a flowchart of a control method of a cooling system in a pure electric vehicle according to an embodiment of the present invention. Su...

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Abstract

The invention discloses a pure electric automobile as well as a control method and a control device for a cooling system thereof. The control method for a cooling system comprises the following stepsof carrying out heat production analysis on each heat source in at least one heat source in an automobile so as to obtain the temperature of each heat source at a future preset time; obtaining the current outdoor environment temperature and the current automobile speed of the automobile and obtaining a plurality of cooling capacity values of the cooling system at different states from a preset cooling capacity table according to the current outdoor environment temperature and the current automobile speed; and controlling the cooling system according to the plurality of cooling capacity valuesand the temperature of each heat source at the future preset time. And therefore, the energy efficiency ratio of the cooling system of the pure electric automobile can be optimized to achieve active energy saving so that a purpose of increasing the endurance mileage of the electric automobile is achieved.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a method for controlling a cooling system in a pure electric vehicle, a control device for a cooling system in a pure electric vehicle, and a pure electric vehicle with the control device for the cooling system. Background technique [0002] The cruising range of a pure electric vehicle is one of the key indicators that consumers consider when purchasing a vehicle, and the power consumption of each ECU (Electronic Control Unit, Electronic Control Unit) of the vehicle directly restricts the cruising capacity during driving. [0003] At present, the control scheme applied to the cooling system of pure electric vehicles mainly controls the water pump or fan based on the temperature transmitted by the temperature sensor of each ECU of the vehicle. For example, several heat sources (motor, motor controller, battery, DCDC Converter) when the highest temperature reaches 50°C, ...

Claims

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Application Information

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IPC IPC(8): B60K11/02B60L11/18
CPCB60K11/02B60L50/50B60L2240/425B60L2260/56Y02T10/70Y02T10/84
Inventor 石婷婷朱磊
Owner 国机智骏汽车有限公司
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