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Optical probe with blower for infrared thermodetector

A technology of infrared thermometers and optical probes, which is applied in the field of optical probes of infrared thermometers, can solve problems such as manual cleaning and maintenance, and achieve the effect of shortening the measurement distance and reducing optical path interference

Active Publication Date: 2012-05-23
上海协同物理研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ex-works price of the unit is $755.00 USD excluding tax, transportation and insurance, after the alarm, manual cleaning and maintenance are still required

Method used

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  • Optical probe with blower for infrared thermodetector
  • Optical probe with blower for infrared thermodetector

Examples

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] As shown in the figure, the sealed protective window (103) with coating film on the back is placed obliquely in the purger (200), and its surface forms an angle of 60° with the optical axis of measurement; the front end of the small-diameter peep tube (300) has The ash leak tank (301); the tubular probe (100) equipped with the objective lens (101) and the transmission optical fiber and the air pipe (202) for delivering the high-pressure purge air flow are straight hard pipes, which pass through the two flanges (400) in parallel. A hole can be stretched back and forth and fixed by the flange (400).

[0018] A typical application example of the present invention is: measuring the coke cake temperature on an industrial coke oven coke holding car. The target temperature is high, the ambient temperature is high, high-density coke ash is flying, and t...

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Abstract

The invention relates to an optical probe with a blower for an infrared thermodetector. The optical probe is characterized in that: an objective lens (101) and a transmission fiber (102) or an infrared sensor and a connecting wire thereof (102) are arranged in a tubular probe (100); a sealing protective window (103) is formed at the most front end of the tubular probe (100), and a film which reflects visible light and can be transmitted by infrared work spectrum is plated on the back of the protective window (103); the protective window is obliquely arranged in a blower (200); a high-pressure airflow can blow the surface of the protective window (103) through a pipeline (202) and an air duct (201) of the blower (200), and blows out through a minor-caliber peep tube (300) of which an ash leakage groove (301) is formed on the front end; the tubular probe (100) and the air duct (202) are straight parallel hard tubes, pass through two holes on an assembly flange (400), can flexibly adjust the distance with a target, and can be clamped and fixed by the assembly flange (400); the tail end of the hard tube of the tubular probe (100) is provided with a fiber connector (105) for externally connecting an extended armored fiber, or provided with a cable connector (105) for externally connecting an extended armored signal cable; and the tail end of the hard air duct (202) is provided with an air duct connector (203) for externally connecting an air feed pipeline.

Description

technical field [0001] The invention relates to a non-contact optical temperature measuring instrument, especially one that can realize effective purging and cleaning of the optical lens in the case of serious dust and water vapor interference and pollution, and the optical path purge air source cannot be purged for a long time. The optical probe of the infrared thermometer. Background technique [0002] The infrared thermometer measures the temperature by collecting the infrared radiant energy of the target through its optical system. During industrial online measurement, its measurement optical path and optical lens will be interfered and polluted by environmental dust and water vapor. Therefore, it is usually required to install an air purger and a peep tube to help clean the optical path at the front end of the optical probe, so as to keep the lens clean and eliminate dust and water vapor interference in the measurement optical path. [0003] Deficiencies and shortcomin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J5/08B08B5/02
Inventor 袁国炳仲佳袁正卿
Owner 上海协同物理研究所
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