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Distance detecting induction device

一种距离检测、感应装置的技术，应用在红外感应装置领域，能够解决影响检测精度等问题，达到高检测精度、提高整机感应性能的效果

Active Publication Date: 2009-03-18
SHANGHAI KOHLER ELECTRONICS TECH
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AI Technical Summary

Problems solved by technology

[0006] However, the distance detection sensing device is easily affected by the halo of the infrared emitted light, thereby causing problems such as affecting the detection accuracy.

Method used

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Embodiment Construction

[0033] Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which the same structures or functions are marked with the same numerals. It should be pointed out that the purpose of the drawings is only to facilitate the description of the specific embodiments of the present invention, and is not a redundant description or limitation to the scope of the present invention. In addition, the drawings are not necessarily drawn to scale.

[0034] As shown in FIGS. 1 to 7 , the distance detection sensing device 100 of the present invention is mainly installed in various types of automated sanitary equipment, such as induction urinals, induction toilets, and induction faucets.

[0035] The distance detection sensing device 100 of the present invention mainly includes: a housing 1, a focusing lens 2, a circuit board 3 provided with several electronic components, a transmitting device 4 for emitting infrared light, a...

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Abstract

The invention discloses a distance detection induction device, which comprises a shell, focusing lenses, a circuit board which is provided with a plurality of electronic components, an emitting device for emitting infrared light rays and a receiving device for receiving and inducing reflected infrared light rays, wherein the shell comprises a main body part and two circular openings which are positioned on the top surface of the main body part; the lenses comprise an emitting lens and a receiving lens which are arranged on the two openings of the shell; the circuit board is arranged in the main body part of the shell; the emitting device is an infrared light emitting diode for emitting the infrared light rays to the emitting lens; and the receiving device is a distance detection induction module for inducing the reflected light rays focused by the receiving lens. The distance detection induction device also comprises an emitting light ray guiding device which is arranged between the emitting lens and the emitting device and comprises a small circular hole arranged at the position of a transmitting tube core of the emitting device. The distance detection induction device has the advantages of higher detection precision and improvement of the induction performance of the whole machine.

Description

【Technical field】 [0001] The invention relates to an infrared sensing device, in particular to a distance detection sensing device (PSD, Position Sensitive Detector) used in the field of bathroom automation such as automatic sensing faucets and automatic flushing urinals. 【Background technique】 [0002] Infrared sensors have been widely used in sanitary equipment such as automatic faucets, automatic flushing urinals, toilet flushing equipment, toilet seats that spray hot water, hand dryers, and toilets equipped with hot air fans. [0003] Most of the traditional infrared sensors adopt the active infrared sensing method, that is, the infrared emitter emits infrared rays of a certain wavelength, and after being reflected by the human body, after being received by the infrared receiver, the strength of the reflected signal is judged to realize automatic sensing judgment. However, some substances with low infrared reflectivity (such as black clothes, hair, etc.) are difficult to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C3/00G01S17/04
CPCG01S7/4813G01S17/026G01S17/48G01C3/08G01S17/04
Inventor 汤乔梅陈国峰
Owner SHANGHAI KOHLER ELECTRONICS TECH
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