Vehicle-outside-temperature detection method for vehicle, and system
A technology for the temperature and detection method outside the vehicle, which is applied to thermometers, applications of thermometers, and measuring devices. It can solve the problems of inaccurate display and failure to reach, and achieve the effects of improved detection accuracy, low cost, and simple structure.
Active Publication Date: 2015-08-12
BEIJING BORGWARD AUTOMOBILE CO LTD
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Assume that after a period of driving, the water temperature of the engine usually reaches 85°C, which is much higher than T1, and the speed of driving to the underground garage is usually very low, such as 5-20km / h. The speed limit of the temperature rise, so that the temperature displayed on the instrument is still the temperature of the vehicle outside the garage, such as the outdoor temperature below 0 ° C, there is a defect that the display is not accurate
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[0040] 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.
[0041] 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 vehicle-outside-temperature detection method for a vehicle. The method comprises the following steps comparing current sunlight intensity with preset sunlight intensity when an engine of the vehicle runs, an engine water temperature value is higher than or equal to a preset temperature value and a current vehicle speed is lower than a preset vehicle speed, updating a vehicle-outside-temperature signal value by utilizing an auxiliary temperature detection device if the current sunlight intensity is less than the preset sunlight intensity, further determining whether a current vehicle-outside-temperature signal value detected by a temperature detection device is lower than the vehicle-outside-temperature signal value if the current sunlight intensity is not less than the preset sunlight intensity, and updating the vehicle-outside-temperature signal value by utilizing the temperature detection device if the current vehicle-outside-temperature signal value detected by the temperature detection device is lower than the vehicle-outside-temperature signal value. According to the vehicle-outside-temperature detection method, of the embodiment of the invention, for a vehicle, temperature outside the vehicle can be accurately detected, and user's needs can be met. The invention further provides a vehicle-outside-temperature detection method for the vehicle.
Description
technical field [0001] The invention relates to the technical field of vehicle detection, in particular to a method and system for detecting the temperature outside the vehicle. Background technique [0002] The literal meaning of outside temperature is the temperature of the atmosphere around the vehicle when driving or parking. Its initial function is to detect heat loads for automatic air conditioning and to calculate current seasonal characteristics. As the configuration rate of automatic air-conditioning controllers on cars is getting higher and higher, the outside temperature is also configured as a function on the instrument of the vehicle. [0003] The current outside temperature is mainly provided by a separate temperature sensor, which is arranged inside the front air intake grille of the car (before the condenser). Due to the influence of heat radiation from heat dissipation components such as the front cabin water tank, condenser, and engine. The acquisition o...
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IPC IPC(8): G01K13/00
CPCG01K2201/02
Inventor 刘通
Owner BEIJING BORGWARD AUTOMOBILE CO LTD