TW201613679A - Air flow sensing device - Google Patents

Air flow sensing device

Info

Publication number
TW201613679A
TW201613679A TW103135744A TW103135744A TW201613679A TW 201613679 A TW201613679 A TW 201613679A TW 103135744 A TW103135744 A TW 103135744A TW 103135744 A TW103135744 A TW 103135744A TW 201613679 A TW201613679 A TW 201613679A
Authority
TW
Taiwan
Prior art keywords
opening
air flow
casing
sensing device
passage
Prior art date
Application number
TW103135744A
Other languages
Chinese (zh)
Other versions
TWI546114B (en
Inventor
Min-Hsiung Huang
Original Assignee
Qisda Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qisda Corp filed Critical Qisda Corp
Priority to TW103135744A priority Critical patent/TWI546114B/en
Publication of TW201613679A publication Critical patent/TW201613679A/en
Application granted granted Critical
Publication of TWI546114B publication Critical patent/TWI546114B/en

Links

Landscapes

  • Measuring Volume Flow (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

An air flow sensing device includes a casing, a filter member disposed in the casing, a sensor and a guiding member. The casing has an accommodating space, a first opening, a second opening and a third opening. The sensor is disposed in the accommodating space. The guiding member is disposed in the casing and can be switched between a first state and a second state. When the guiding member is switched to the first state, the first opening, the accommodating space and the second opening form a first passage, such that a first air flow outside the casing passes through the sensor via the first passage. When the guiding member is switched to the second state, the first opening, the accommodating space and the third opening form a second passage, such that a second air flow, which passes through the filter member, passes through the sensor via the second passage.
TW103135744A 2014-10-15 2014-10-15 Air flow sensing device TWI546114B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW103135744A TWI546114B (en) 2014-10-15 2014-10-15 Air flow sensing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW103135744A TWI546114B (en) 2014-10-15 2014-10-15 Air flow sensing device

Publications (2)

Publication Number Publication Date
TW201613679A true TW201613679A (en) 2016-04-16
TWI546114B TWI546114B (en) 2016-08-21

Family

ID=56361079

Family Applications (1)

Application Number Title Priority Date Filing Date
TW103135744A TWI546114B (en) 2014-10-15 2014-10-15 Air flow sensing device

Country Status (1)

Country Link
TW (1) TWI546114B (en)

Also Published As

Publication number Publication date
TWI546114B (en) 2016-08-21

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees