BR112017006422A2 - dispositivo para detectar fluxos de ar - Google Patents

dispositivo para detectar fluxos de ar

Info

Publication number
BR112017006422A2
BR112017006422A2 BR112017006422A BR112017006422A BR112017006422A2 BR 112017006422 A2 BR112017006422 A2 BR 112017006422A2 BR 112017006422 A BR112017006422 A BR 112017006422A BR 112017006422 A BR112017006422 A BR 112017006422A BR 112017006422 A2 BR112017006422 A2 BR 112017006422A2
Authority
BR
Brazil
Prior art keywords
duct
air flows
detect air
air flow
sensor
Prior art date
Application number
BR112017006422A
Other languages
English (en)
Other versions
BR112017006422B1 (pt
Inventor
Clerivet Pierre
Original Assignee
Siemens Schweiz Ag
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 Siemens Schweiz Ag filed Critical Siemens Schweiz Ag
Publication of BR112017006422A2 publication Critical patent/BR112017006422A2/pt
Publication of BR112017006422B1 publication Critical patent/BR112017006422B1/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measuring Volume Flow (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

a presente invenção refere-se a um dispositivo para detectar fluxos de ar, que compreende um conduto de ar que canaliza o fluxo de ar, o referido conduto (por exemplo, um conduto) compreendendo (dentro do conduto) pelo menos um primeiro e um segundo sensor de temperatura. no dispositivo de acordo com a invenção, pelo menos um dos sensores é submetido a flutuações de temperatura periódicas controladas por pelo menos um meio de aquecimento, tal como uma fonte de energia de corrente variável reservada ao referido sensor.
BR112017006422-7A 2014-10-01 2015-09-03 Dispositivo para detectar fluxos de ar BR112017006422B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14290296.4 2014-10-01
EP14290296.4A EP3002564A1 (fr) 2014-10-01 2014-10-01 Dispositif de détection de flux d'air
PCT/EP2015/070113 WO2016050443A1 (fr) 2014-10-01 2015-09-03 Dispositif de détection de flux d'air

Publications (2)

Publication Number Publication Date
BR112017006422A2 true BR112017006422A2 (pt) 2017-12-12
BR112017006422B1 BR112017006422B1 (pt) 2021-03-30

Family

ID=51703115

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017006422-7A BR112017006422B1 (pt) 2014-10-01 2015-09-03 Dispositivo para detectar fluxos de ar

Country Status (6)

Country Link
US (1) US10416014B2 (pt)
EP (2) EP3002564A1 (pt)
CN (1) CN107076594B (pt)
BR (1) BR112017006422B1 (pt)
CA (1) CA2963162C (pt)
WO (1) WO2016050443A1 (pt)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803913A (en) * 1970-07-06 1974-04-16 J Tracer Apparatus for determining heat-transfer rates and thus the flow rates or thermal conductivities of fluids
US4581930A (en) * 1984-08-30 1986-04-15 Ebtron, Inc. Average mass flow rate meter using self-heated thermistors
US5031126A (en) * 1988-06-30 1991-07-09 Delta M Corporation Constant power thermal sensor
JPH0244211A (ja) 1988-08-04 1990-02-14 Sharp Corp フローセンサ
US5685194A (en) * 1995-07-27 1997-11-11 Delta M Corporation Differential twin sensor system
EP0785417A3 (en) 1996-01-17 1998-04-15 Hitachi, Ltd. Heating resistor type air flow rate measuring apparatus
JP2004361271A (ja) 2003-06-05 2004-12-24 Hitachi Ltd 熱式空気流量計
GB2482004A (en) * 2010-07-14 2012-01-18 Influx Measurements Ltd Monitoring apparatus
US9194588B2 (en) * 2011-07-27 2015-11-24 General Electric Company Appliance airflow detection using differential heating of electronic devices
FR2983950B1 (fr) 2011-12-09 2015-02-20 Extraflame S P A Dispositif de detection du flux d'air entrant dans des appareils de chauffage de locaux et procede associe

Also Published As

Publication number Publication date
CN107076594B (zh) 2020-07-10
US20180202848A1 (en) 2018-07-19
BR112017006422B1 (pt) 2021-03-30
EP3002564A1 (fr) 2016-04-06
CA2963162C (en) 2020-07-21
US10416014B2 (en) 2019-09-17
CN107076594A (zh) 2017-08-18
CA2963162A1 (en) 2016-04-07
EP3201576A1 (fr) 2017-08-09
WO2016050443A1 (fr) 2016-04-07

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/09/2015, OBSERVADAS AS CONDICOES LEGAIS.