Automobile glass automatic defogging system and method based on transmittance and relative humidity
A technology for automotive glass and relative humidity, which is applied to the automatic defogging system for the inner surface of automotive glass. Based on the control field of transmittance and relative humidity, it can solve the problems of increased risk, observation of road conditions, danger, etc., to improve safety and Comfort, cost savings, high sensitivity results
Inactive Publication Date: 2015-09-16
JILIN UNIV
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Problems solved by technology
[0003] Fog on the front windshield of a motor vehicle will affect the driver's sight. If there is no effective treatment at this time, once the fog on the front windshield affects the owner's sight, it will pose a great threat to the safety of the passengers. , especially when the driver does not know the road conditions ahead, the danger increases sharply
Some drivers find that after fogging, they will wipe off the water vapor on the windshield while driving, which is very dangerous.
Moreover, after the side windows and rear windows are fogged, it is difficult for the driver to observe the road conditions through the rearview mirrors inside and outside the car.
If there is an unexpected situation on the road, it will be too late to deal with it and cause an accident
Method used
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[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.
[0043] like figure 1 As shown, the automobile glass inner surface defogging system provided by the present invention includes a first air inlet 110, a second air inlet 120, a first switching damper 130, a blower 140, a second switching damper 150, a heater 160, a drier 170 , the drain valve 180 , the first air outlet 190 , the second air outlet 200 , and the controller 210 .
[0044] The first air inlet 110 communicates with the outside of the vehicle, serves as an air exchange port between the interior of the vehicle and the outside, and can introduce air outside the vehicle into the interior of the vehicle.
[0045] The second air inlet 120 communicates with the inside of the motor vehicle, and is an air inlet inside the vehicle, which can directly reintroduce the air cool...
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The invention discloses an automobile glass automobile defogging system and method based on transmittance and relative humidity. The automobile glass automatic defogging system comprises a plurality of temperature sensors and a plurality of humidity sensors, a dehumidifying pipeline and an air duct pipeline, and two switching ventilation doors. Internal and external temperature conditions of the automobile can be monitored in real time by a controller terminal, so precautions are provided before fog forms on the automobile glass surface and detection hysteretic quality can be overcome; and with the control method based on transmittance and relative humidity, switch between the first switching ventilating door and the second switching ventilating door can be controlled, and accurate and automatic defogging can be achieved and driving comfortableness and safety can be realized.
Description
technical field [0001] The invention relates to the technical field of automobile defogging, in particular to an automatic defogging system for the inner surface of automobile glass and a control method based on transmittance and relative humidity. Background technique [0002] The fogging on the inner surface of the car glass is a phenomenon of "condensation" from a physical point of view. When it is rainy or the air is relatively humid, if the external temperature is low and the temperature difference between the inside and outside of the car reaches a certain range, the humid air in the car will touch the glass. May condense, forming a layer of mist or frost. High humidity and large temperature difference inside and outside the car are two conditions for the formation of fog. [0003] Fog on the front windshield of a motor vehicle will affect the driver's sight. If there is no effective treatment at this time, once the fog on the front windshield affects the owner's sigh...
Claims
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IPC IPC(8): B60S1/54
CPCB60S1/54
Inventor 李明李俊芳侯昆刘研
Owner JILIN UNIV