Title:
DEW POINT SENSOR
Document Type and Number:
WIPO Patent Application WO/2022/120990
Kind Code:
A1
Abstract:
A dew point sensor, comprising a dew formation system, a photoelectric detection system, a heat dissipation system, and a control system; the heat dissipation system comprises a heat dissipation base (109); an auxiliary chamber (1092) is provided at the upper end of the heat dissipation base (109), and a main chamber (1091) is provided at the lower end of the heat dissipation base (109); the auxiliary chamber (1092) extends downwardly from the upper surface of the heat dissipation base (109) to the main chamber (1091); and the main chamber (1091) is filled with a sealant, so as to seal the main chamber (1091) and isolate the gas outside the main chamber (1091). By means of improvements on the dew formation system, the occupied space of the dew formation system is simplified, the sealing performance of the dew condensation system is improved, and damage to the dew point sensor caused by water vapor infiltration is prevented. The detection accuracy of the dew point sensor is improved by means of improvements on the photoelectric detection system. By means of improvements on the heat dissipation system, the air tightness of the dew point sensor is improved, and toxic or corrosive gas in an operation environment can be prevented from leaking out to the outside to endanger the lives of workers.
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Inventors:
ZHANG BIN (CN)
HE WEISHENG (CN)
CHEN XINZHUN (CN)
MA PENGFEI (CN)
QIU GUOCAI (CN)
LIU XINYA (CN)
ZHENG XIAOYIN (CN)
LIU GUANGLIANG (CN)
LIN HUITING (CN)
LI XIULONG (CN)
HE WEISHENG (CN)
CHEN XINZHUN (CN)
MA PENGFEI (CN)
QIU GUOCAI (CN)
LIU XINYA (CN)
ZHENG XIAOYIN (CN)
LIU GUANGLIANG (CN)
LIN HUITING (CN)
LI XIULONG (CN)
Application Number:
PCT/CN2020/139405
Publication Date:
June 16, 2022
Filing Date:
December 25, 2020
Export Citation:
Assignee:
GUANGZHOU AOSONG ELECTRONIC CO LTD (CN)
International Classes:
G01N25/66
Foreign References:
| CN112268930A | 2021-01-26 | |||
| CN202281759U | 2012-06-20 | |||
| CN210690460U | 2020-06-05 | |||
| CN207457117U | 2018-06-05 | |||
| CN201393198Y | 2010-01-27 | |||
| CN103187370A | 2013-07-03 | |||
| CN107153081A | 2017-09-12 | |||
| CN105424751A | 2016-03-23 | |||
| EP0409546A2 | 1991-01-23 | |||
| JP2006284485A | 2006-10-19 |
Attorney, Agent or Firm:
GUANGZHOU RUNHE INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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