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Gas chamber structure used for monitoring odor intensity in air

A technology of odor and strength, applied in the direction of measuring devices, analyzing gas mixtures, instruments, etc., can solve problems such as cavitation, affecting the change of sensor contact surface pressure, and the impact of sensor perception accuracy, so as to improve detection stability and reduce Inhomogeneous gas diffusion, reducing the effect of gas adsorption and reaction

Pending Publication Date: 2019-04-26
TIANJIN TONGYANG TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this type of detection method has gas surge and cavitation phenomenon when the gas is introduced, which will affect the change of the sensor contact surface pressure, thereby affecting the sensor's perception accuracy

Method used

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  • Gas chamber structure used for monitoring odor intensity in air
  • Gas chamber structure used for monitoring odor intensity in air
  • Gas chamber structure used for monitoring odor intensity in air

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Embodiment Construction

[0020] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. Such as Figure 1-6 As shown, a gas chamber structure for monitoring the intensity of odor in the air includes a cavity 1, a cavity upper cover 2 and a cavity lower cover 3, and the cavity 1 and the cavity upper cover 2 form an Archimedes spiral Hole intake structure. Under the condition of satisfying the technical level, the cavity 1 and the cavity upper cover 2 each contain half of the holes of the Archimedes spiral. After the cavity upper cover is fastened on the cavity, a complete Archimedes spiral groove 4 is formed between the two, and the lower part of the cavity is provided with a Exhaust cavity 5, the sensor is placed in the exhaust cavity from the lower part of the cavity and then sealed and fixed by the lower cover of the cavity, and the upper side of the cavity is provided with an air inlet c...

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Abstract

The invention relates to the technical field of gas monitoring devices, in particular to a gas chamber structure used for monitoring odor intensity in air. The structure comprises a cavity, a cavity upper cover and a cavity lower cover, wherein the cavity and the cavity upper cover comprise one half of an Archimedes spiral trunking respectively, after the cavity upper cover is bucked on the cavity, an entire Archimedes spiral trunking is formed between the cavity upper cover and the cavity, the lower portion of the cavity is provided with an exhaust cavity communicated with the Archimedes spiral trunking, a sensor is sealed and fixed through the cavity lower cover after being placed in the exhaust cavity from the lower portion of the cavity, one side of the upper portion of the cavity is provided with an air inlet communicated with the Archimedes spiral trunking, and one side of the lower portion of the cavity is provided with an air outlet communicated with the exhaust cavity. The gaschamber structure used for monitoring the odor intensity in the air adopts an Archimedes spiral trunking structure of a separated structure, and effectively reduces the situation of uneven gas diffusion caused by a void effect, so that the detection is more accurate and reliable.

Description

technical field [0001] The invention relates to the technical field of gas monitoring devices, in particular to a gas chamber structure for monitoring the intensity of stench in the air. Background technique [0002] Odor pollutants are a special kind of odorous substances, which are typical nuisance pollution and are also the focus of current complaints. They are also considered by many scholars as one of the seven major public hazards recognized in the world. With the development of my country's economy and the rapid expansion of cities, the impact of odor pollutants on residents' lives is gradually increasing. In recent years, it has become the first category of pollution complaints in large and medium-sized cities. In this context, the detection of odorous pollutants has become an important part of urban environmental monitoring, and corresponding professional detection instruments have emerged as the times require. This type of instrument mainly detects the concentrati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
CPCG01N33/0004
Inventor 刘金星聂朋李超沈廼桐解永杰杨春浩樊海春张涛郭晓霞杨雅楠陈志娟高雪莲
Owner TIANJIN TONGYANG TECH DEV
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