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Calibration sheet fixing mechanism and tail gas analyzer thereof

A technology of fixing mechanism and calibration sheet, which is applied in the direction of material analysis, material analysis through optical means, instruments, etc., which can solve the problem that the position of the filter insertion plate cannot be consistent each time, and the filter insertion plate is prone to shaking , Calibration result deviation and other issues, to achieve the effect of improving the limit fixing effect, preventing the inconsistency of the front and rear insertion positions, and increasing the contact area

Pending Publication Date: 2022-04-19
ANHUI QINGYU PHOTOELECTRIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there are still major deficiencies in the existing technology, such as: there is a gap between the auxiliary filter seat and the filter insert, which makes the filter insert easy to shake during the calibration process, resulting in deviations in the calibration results , and the insertion position of the filter plate each time cannot be consistent due to the existence of gaps, which further increases the difficulty of calibration

Method used

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  • Calibration sheet fixing mechanism and tail gas analyzer thereof
  • Calibration sheet fixing mechanism and tail gas analyzer thereof
  • Calibration sheet fixing mechanism and tail gas analyzer thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A calibration sheet fixing mechanism, including a fixed insertion sleeve 1, and the fixed insertion sleeve 1 is provided with a through slot 101 in the up and down direction, and the calibration sheet 18 passes through the through slot 101 from top to bottom and extends into the calibration of the main body of the exhaust gas analyzer. The through slot 101 is connected horizontally with a number of internal thread grooves 102 for the tightening bolts 2 to pass through one by one. The front ends of the tightening bolts 2 pass through the internal thread grooves 102 and extend into the through slot 101, and the tightening bolts 2. The external thread 3 is connected to the outer side of the shaft. Through the thread cooperation between the internal thread groove 102 and the external thread 3 on the tightening bolt 2, the detachable and fixed connection of the tightening bolt 2 on the fixed insert 1 is realized, and the inner wall of the through slot 101 is fixed. The limit ...

Embodiment 2

[0041] Embodiment 2 On the basis of Embodiment 1, the distribution of tightening bolts 2 is optimized, that is, three internal thread grooves 102 for tightening bolts 2 to pass through are respectively connected to the two opposite inner walls of the through slot 101. The internal thread grooves 102 on both sides of the through slot 101 are symmetrically arranged with respect to the through slot 101 one by one, and the fixing effect on the calibration sheet 18 is improved through multiple groups of symmetrically arranged tightening bolts 2, and the three holes connected to the same inner wall of the through slot 101 The internal thread grooves 102 are distributed in an upward oblique line from left to right, so that the calibration sheet 18 passes through each tightening bolt 2 sequentially during the process of inserting the through slot 101 from top to bottom, and gradually increases the number of tightening bolts 2 by increasing the number of tightening bolts 2 gradually. Th...

Embodiment 3

[0043] Embodiment 3 further improves the effect of limiting and fixing the calibration sheet 18 on the basis of Embodiment 1, that is: the slot 71 runs through the slide bar 7, and the two side walls of the slide bar slot 202 are symmetrically connected with internal blocks 9, The block groove 203 of the block elastic connecting rod 8, the block 9 arranged symmetrically further improves the clipping and fixing effect on the slide bar 7, and the two blocks 9 are fixedly connected with the first magnetic block 11 through the extension rod 10, There are two pole slide grooves 103 arranged symmetrically with respect to the internal thread groove 102 inside the fixed insert 1, and the two pole slide grooves 103 are respectively connected with communication ports aligned with the two first magnetic blocks 11 one by one, and Two auxiliary poles 12 and a second magnetic block 13 are arranged in the two pole chute 103, and the two auxiliary poles 12 are equipped with an auxiliary fixing...

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Abstract

The calibration piece fixing mechanism comprises a fixed insertion cylinder provided with a through insertion groove, the through insertion groove is connected with an internal thread groove for a tightening bolt to penetrate through, an extrusion ball movably extends out of the tightening bolt and is connected with a sliding rod, the sliding rod is provided with a clamping groove for a clamping block to be inserted in, and the clamping groove is connected with a clamping block. The clamping block is connected with an extension rod with a first magnetic block, one end of the auxiliary supporting rod is connected with a second magnetic block, the other end of the auxiliary supporting rod is connected with an auxiliary fixing block, the auxiliary fixing block is connected with an elastic air bag, and the auxiliary fixing block is fixedly connected with an elastic extrusion bag communicated with the elastic air bag. The calibration piece is extruded and fixed through an extrusion ball and an elastic extrusion bag, the problem that the calibration piece shakes or the front and back insertion positions are inconsistent is prevented, the fixing mechanism is automatically reset through a first magnetic block and a second magnetic block, and the calibration piece inserted next time is conveniently fixed.

Description

technical field [0001] The invention relates to the technical field of calibration of exhaust gas analyzers, in particular to a calibration sheet fixing mechanism and an exhaust gas analyzer thereof. Background technique [0002] At present, with the continuous increase of the number of motor vehicles, the monitoring of exhaust emission pollution has become a key problem to be solved. In the work of detecting motor vehicle exhaust, exhaust gas analyzers are generally installed in key places where vehicles are parked intensively, such as logistics parks, industrial parks, and cargo distribution centers. Whether the exhaust gas emission exceeds the standard. Before the exhaust gas analyzer works, it needs to calibrate the emission light source with a filter, but the calibration process can be more accurate only when it is completed under working conditions. Therefore, under actual working conditions, the filter needs to be removed from the exhaust gas analyzer after calibrat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16M11/04G01N21/85
CPCF16M11/04F16M11/041G01N21/85G01N2021/8578
Inventor 左昌余赵读俊苏勇
Owner ANHUI QINGYU PHOTOELECTRIC TECH