Verification method of sunshading effect of lateral sunshading plate
A sun visor and checking technology, which is applied in the field of auto parts, can solve problems such as unsatisfactory side sun shading effect of the sun visor, regulations and requirements for side sun shading effect, lack of verification method for side sun shading effect, etc.
Active Publication Date: 2017-12-12
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology
The current car sun visor design is basically designed to be placed on the side to block the sunlight of the side window, but the side sun visor effect of the sun visor is not ideal in the actual use process.
[0003] In the prior art, the regulations only have requirements for the sunshade effect of the front sunshade, but not for the side sunshade effect. Putting the sunshade on the side to block the sun is only an additional function, and there is a lack of side sunshade effect in car design. Calibration method
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[0029] 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.
[0030] Percentile is a term in anthropometry, which is used to indicate the level of a certain size data of the human body. Taking the 95% percentile human body size as an example, it means that 95% of the individuals in the crowd have this size smaller than this value. 5% of individuals had this size greater than this value. Wherein, in this application, the dimension is height.
[0031] figure 1 A flow chart of the steps of the method for checking the sunshade effect of the side sun visor proposed by the specific embodiment of the present invention; figure 2 It is a schematic diagram of the principle of the side shading effect of the sun visor proposed by the specific embodiment of the present invention.
[0032] Please refer to figure 1 with figure 2 , the embodiment of the present ...
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The invention discloses a verification method of a sunshading effect of a lateral sunshading plate. The method comprises the following steps of building a coordinate system; calculating position coordinates of a center point of an eye ellipse; determining the size of the eye ellipse; obtaining the coordinate value of the lower edge of the lateral sunshading plate in the vertical Z direction and the coordinate value of the rear edge of the lateral sunshading plate in the horizontal X direction, and calculating the maximal longitudinal coordinate value of the eye ellipse in the X direction; subtracting the coordinate value of the lower edge when the lateral sunshading plate works in the Z direction from the height value of the center point of the eye ellipse to obtain a first differential value; subtracting the maximal longitudinal coordinate value of the eye ellipse in the X direction from the coordinate value of the rear edge in the X direction when the lateral sunshading plate works to obtain a second differential value. If the first differential value is larger than a first preset value and the second differential value is larger than a second preset value, the sunshading effect of the lateral sunshading plate is qualified, and if not, the sunshading effect of the lateral sunshading plate is unqualified. The sunshading effect of the lateral sunshading plate can be verified.
Description
technical field [0001] The invention relates to the technical field of auto parts, in particular to a method for checking the sunshade effect of a side sunshade. Background technique [0002] Automobile plays an important role in people's daily life as people's daily transportation and means of transportation. With the development of the economy, people's quality of life is getting higher and higher, and people's requirements for commodities are also getting higher and higher. The front sun visor of the car is used to block the sunlight in front of the vehicle to prevent glare in the relevant design regulations, and it is a device to ensure driving safety. The current car sun visor is basically designed to be placed on the side to block the sunlight of the side window, but the side sun shading effect of the sun visor is not ideal in the actual use process. [0003] In the prior art, the regulations only have requirements for the sunshade effect of the front sunshade, but n...
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Inventor 殷勇许泺飞熊燕李柱宏刘再兴
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD