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Intelligent polarized reflection type photoelectric sensor

A photoelectric sensor and polarized reflection technology, applied in the field of sensors, can solve the problems of unable to dynamically adjust the reflected current, the sensor cannot work normally, and it is difficult to detect highly transparent objects, etc., to achieve enhanced emission current and receiving sensitivity, high stability, and compensation Attenuation effect

Inactive Publication Date: 2013-11-27
SHANGHAI LANBAO SENSING TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] 2. During the use of the sensor, dust or stains will accumulate on the reflector or the surface of the sensor, which may cause the sensor to fail to work normally;
[0007] 3. The non-intelligent polarized reflective sensor cannot dynamically adjust the reflected current, and it is difficult to detect highly transparent objects

Method used

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  • Intelligent polarized reflection type photoelectric sensor
  • Intelligent polarized reflection type photoelectric sensor
  • Intelligent polarized reflection type photoelectric sensor

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Embodiment Construction

[0021] refer to Figure 2 to Figure 6 , this specific implementation adopts the following technical solutions: it includes a detection system A1 and a control system A2;

[0022] The detection system A1 includes a 0° polarizer 7, an emission lens 8, a source emission tube 9, a first phase and assignment controllable current source 10, a clock source 11, a second phase and assignment controllable current source 12, a compensation emission Tube 13, light guide 14, photodiode 15, receiving lens 16, 90° polarizer 17, signal conditioning circuit 18, amplitude comparator 19, preamplifier circuit 20 and reflector 21; 0° polarizer 7 and 90 One side of ° polarizer 17 is provided with reflector 21, and between 0 ° polarizer 7 and source emission tube 9, is provided with emission lens 8, and the positive pole of source emission tube 9 is connected to power supply, and the negative pole of source emission tube 9 is connected with the first The phase is connected to the assignment control...

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Abstract

Disclosed is an intelligent polarized reflection type photoelectric sensor which relates to the sensor field. The intelligent polarized reflection type photoelectric sensor comprises a detection system and a control system. A side of a 0-degree polarizing film and a side of a 90-degree polarizing film are provided with a reflective plate. A compensation transmitting tube cooperates with a light guide device. A side of the light guide device is provided with a photosensitive diode. An HALIOS signal conditioning module, a transmission parameter adjustment module and an I\O module are disposed in an HALIOS system. A power stabilizing circuit is connected with the HALIOS system. The HALIOS system is connected with a sensor output circuit. The transmission parameter adjustment module is connected with a transmission and compensation transmission circuit. A pre-amplification circuit is connected with the HALIOS signal conditioning module. According to the invention, characteristics of the sensor such as resistance to hard light, intelligentization, adaptive compensation of dust pollution environment, measurement of highly transparent objects and the like can be achieved.

Description

Technical field: [0001] The invention relates to the field of sensors, in particular to an intelligent polarized reflection photoelectric sensor. Background technique: [0002] At present, polarized reflective photoelectric sensors on the market put the transmitter and receiver into the same device, and install a polarization filter system, and install a prism reflector in front of it to ensure that when the light meets the polarizing filter , only the light vibrating in the parallel direction of the polarizing filter grid can pass through, preventing the high reflectivity object from reflecting the light back to the receiver of the photoelectric sensor and causing the sensor to misdetect, so that the high reflectivity object can be detected when it enters the detection area Reliable detection, but since polarized reflective sensors are a set of transmitting devices, the sensitivity of the receiving device will decrease as the ambient light increases. And most of the polari...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D3/028
Inventor 谢勇许用疆祁伟光高峰
Owner SHANGHAI LANBAO SENSING TECH
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