Title:
FORMALDEHYDE MEASUREMENT METHOD AND APPARATUS, AND AIR PURIFIER
Document Type and Number:
WIPO Patent Application WO/2021/068532
Kind Code:
A1
Abstract:
A formaldehyde measurement method, a formaldehyde measurement apparatus according to the formaldehyde measurement method, and an air purifier. The formaldehyde measurement method comprises: obtaining a first measurement value provided by a first sensor (10), the first sensor (10) being used for measuring the content of formaldehyde in the air; obtaining a second measurement value provided by a second sensor (20), the second sensor (20) being used for measuring the content of non-formaldehyde interfering gas in the air; and determining the threshold interval of the second measurement value, and obtaining a formaldehyde measurement result according to the threshold interval, the second measurement value, and the first measurement value. Therefore, the measurement result is more accurate, and the problem of inaccurate measurement caused by directly using the first measurement value as the formaldehyde measurement result is solved.
Inventors:
NI ZUGEN (CN)
Application Number:
PCT/CN2020/093796
Publication Date:
April 15, 2021
Filing Date:
June 01, 2020
Export Citation:
Assignee:
KINGCLEAN ELECTRIC CO LTD (CN)
KINGCLEAN ELECTRIC GREEN TECH SUZHOU CO LTD (CN)
KINGCLEAN ELECTRIC GREEN TECH SUZHOU CO LTD (CN)
International Classes:
G01N33/00; F24F11/89; G01N27/26
Domestic Patent References:
| WO2013109853A1 | 2013-07-25 |
Foreign References:
| CN110865148A | 2020-03-06 | |||
| CN109669008A | 2019-04-23 | |||
| CN109669008A | 2019-04-23 | |||
| CN107990512A | 2018-05-04 | |||
| CN111089941A | 2020-05-01 | |||
| CN109669008A | 2019-04-23 | |||
| CN202404061U | 2012-08-29 | |||
| US4542640A | 1985-09-24 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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