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sunlight sensor

A sunlight sensor and light technology, which is applied in the field of sunlight sensors, can solve the problems of increasing the size of the optical lens and the large size of the sensor structure, and achieve the effect of reducing the size and improving the collection angle

Active Publication Date: 2018-10-12
JIANGSU RIYING ELECTRONICS
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Problems solved by technology

Moreover, in order to expand the range of receiving light, it is often necessary to increase the size of the optical lens, therefore, the size of the sensor structure is relatively large

Method used

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Embodiment Construction

[0019] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0020] A sunlight sensor of the present invention includes an optical lens 1 and a light receiving tube 2, an optical lens 1 has at least one group of optical surfaces, each group of optical surfaces includes an incident surface 11, a total reflection surface 12 and an exit surface 13, a group of optical surfaces A light-receiving tube 2 is correspondingly arranged on the surface; the light enters the optical lens 1 from the incident surface 11 and then goes to the total reflection surface 12, and is totally reflected on the total reflection surface 12, and the totally reflected light is emitted to the exit surface in the optical lens 1 13, and exit from the...

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Abstract

The invention relates to a sunlight sensor which includes an optical lens and light receiving tubes. The optical lens has at least one group of optical surfaces. Each group of optical surfaces includes an incidence surface, a total reflection surface and an emergence surface. Each group of optical surfaces corresponds to one light receiving tube. After entering the optical lens from the incidence surface, light hits the total reflection surface, and is then totally reflected by the total reflection surface. The totally reflected light hits the emergence surface in the optical lens, and goes out of the emergence surface to the light receiving tube corresponding to the optical surface. Through total reflection by the sidewall of the optical lens, the sunlight collecting angle is improved. Through the design, a larger light collecting angle is ensured, the spacing D between the two light receiving tubes is reduced, and the size of the product is greatly reduced. By setting two groups of optical surfaces and two light receiving tubes, a dual-drive sensor is obtained, which can simultaneously sense the sunlight intensity at the main driver and co-driver positions in order to adjust the on-off and air volume of the air conditioner.

Description

technical field [0001] The present invention relates to the technical field of vehicle control devices, in particular to a sunlight sensor. Background technique [0002] The sunlight sensor is used in the vehicle to sense the light intensity outside the vehicle, and the vehicle control system controls the opening and closing of the vehicle air conditioner and the air volume according to the light intensity sensed by the sunlight sensor. However, the traditional single-channel sunlight sensor device has only one output due to the limitation of its structure, and cannot identify the light intensity on the left and right sides of the vehicle, and the output of the control system has only one output. When the light intensity from the left side of the vehicle is greater than the light intensity from the right side of the vehicle, the temperature of the air conditioner vents facing the driver and the co-pilot in the vehicle is the same under the same output state. If the co-pilot ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J1/42
CPCG01J1/42G01J2001/4266
Inventor 陆鹏王宇锋韩瑜
Owner JIANGSU RIYING ELECTRONICS
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