Method and system for detecting outside temperature of vehicle
A technology of outside temperature and detection method, applied in thermometer, thermometer application, measuring device and other directions, can solve the problems of inaccurate display and unreachable, and achieve the effect of improving detection accuracy, low cost and high detection accuracy
Active Publication Date: 2017-10-10
BEIJING BORGWARD AUTOMOBILE CO LTD
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Problems solved by technology
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 method for detecting the temperature outside the vehicle, which comprises the following steps: when the engine of the vehicle is running, the engine water temperature is greater than or equal to the preset water temperature and the current vehicle speed is lower than the preset vehicle speed, comparing the current sunlight intensity with the preset Set the sunlight intensity; if the current sunlight intensity is less than the preset sunlight intensity, then use the auxiliary temperature detection device to update the temperature signal value outside the vehicle; if the current sunlight intensity is not less than the preset sunlight intensity, then further judge that the temperature detection device has detected Whether the current signal value of the outside temperature of the vehicle is smaller than the signal value of the outside temperature of the vehicle; if yes, the temperature detection device is used to update the signal value of the outside temperature of the vehicle. According to the method for detecting the temperature outside the vehicle of the embodiment of the present invention, the temperature outside the vehicle can be accurately detected to meet the needs of users. The invention also proposes an outside temperature detection system 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