A co with temperature and pressure automatic compensation 2 Gas concentration monitoring device and method

A gas concentration and automatic compensation technology, applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems of inability to carry out accurate monitoring in high altitude areas, application limitations of gas concentration monitoring technology, and small temperature compensation range, etc. To achieve the effect of enhancing the environmental adaptability of the device, improving the precision, high precision and reliability
CN104458636BActive Publication Date: 2017-03-22UNIV OF SCI & TECH OF CHINA
8 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
UNIV OF SCI & TECH OF CHINA
Publication Date
2017-03-22

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a CO2 gas concentration monitoring device and method with the automatic temperature and air pressure compensation. The CO2 gas concentration can be accurately detected in a relatively wide temperature range and a relatively wide air pressure range, and the device and the method are applied to monitoring the CO2 gas concentration in a low-temperature low-pressure environment. The CO2 gas concentration is monitored by adopting a dual-wavelength infrared monitoring principle and a suction structure, and the device has the advantages of adaptation to a low-temperature low-pressure environment, high precision, high reliability and the like. The interference caused by factors such as light source instability is eliminated by adopting a dual-channel infrared detector, the absorption length of infrared light is increased by adopting a reflector, the environment suitability of the device is enhanced by adopting a heating element and a heat preservation material, the receiving light intensity is enhanced and the automatic temperature and air pressure compensation and correction is performed by adopting a conical optical collector, and the CO2 gas monitoring precision is effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to CO 2 In the field of gas concentration monitoring, it specifically involves the use of dual-wavelength infrared monitoring principles and suction structure, with temperature compensation and pressure automatic compensation, and high-precision CO with digital signal output. 2 Gas concentration monitoring method and device. Background technique

[0002] There is a certain concentration of CO in the daily environment 2 gas, but if CO 2 Excessive gas concentration will pose a threat to human life, so in some special occasions the CO in the environment 2 The real-time monitoring of gas concentration is getting more and more attention.

[0003] Infrared gas concentration monitoring technology is the current CO 2 One of the hotspots of gas concentration monitoring methods, infrared gas concentration monitoring technology has the advantages of high sensitivity, high precision, good stability, good selectivity, high reliability, an...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More