KR900700860A - 질량기류센서용 제어 및 검출회로 - Google Patents

질량기류센서용 제어 및 검출회로

Info

Publication number
KR900700860A
KR900700860A KR1019890701584A KR890701584A KR900700860A KR 900700860 A KR900700860 A KR 900700860A KR 1019890701584 A KR1019890701584 A KR 1019890701584A KR 890701584 A KR890701584 A KR 890701584A KR 900700860 A KR900700860 A KR 900700860A
Authority
KR
South Korea
Prior art keywords
temperature
temperature sensing
sensing element
slave
heating element
Prior art date
Application number
KR1019890701584A
Other languages
English (en)
Other versions
KR960015065B1 (ko
Inventor
이기원
찰스 알. 쥬니어 쿡.
Original Assignee
원본미기재
지멘스 악티엔게젤샤프트
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 원본미기재, 지멘스 악티엔게젤샤프트 filed Critical 원본미기재
Publication of KR900700860A publication Critical patent/KR900700860A/ko
Application granted granted Critical
Publication of KR960015065B1 publication Critical patent/KR960015065B1/ko

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
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/123—Feeding flat bags connected to form a series or chain
    • 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
    • G01F1/6845—Micromachined devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/946—Delivering singly or in succession the bags being interconnected

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

내용없음

Description

질량기류센서용 제어 및 검출회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본발명의 예시적인 실시예에 따른 열 및 온도감지소자구성을 묘사하는 질량기류센서으 평면도이다.
제2도는 제1도에 표시된 본 발명의 예시적인 실시예에 따른 질량기류센서의 간이화된 단면도이다,
제3도는 본 발명의 판독 및 검출회로와 함께 제1도에 표시된 열 및 온도감지소자의 회로도이다.

Claims (10)

  1. 가열소자(RH), 주대기온도감지소자(RCI), 슬레이브 온도 감지소자(RC2), 상기 가열소자(RH)와 상기 주대기온도감지소자(RCI)에 접속되어 상기 가열소자(RH)의 온도에 관련이 있는 온도와 상기 대기온도 감지소자(RCI)의 온도사이의 일정한 온도차를 유지하기 위한 주회로 수단, 상기 슬레이브온도감지소자(RS2)에 접속되어 상기 슬레이브온도 감지소자(RS2)와 대기사이의 온도변화를 검출하여 대기온도와 곤계없는 기류를 나타내는 출력신호(Vout)를 발생하기 위한 슬레이브 회로 수단으로 구성되는 것을 특징으로 하는 질량 기류센서.
  2. 제1항에 있어서, 더욱이 가열된 주 온도감지소자(RSI)를 포함하며, 상기 가열소자의 온도에 관련된 상기 온도는 상기 가열된 주 온도 감지소자(RSI)의 온도인 것을 특징으로 하는 질량기류센서.
  3. 제1항에 있어서, 더욱이 유전 다이아프램(1)을 더 포함하며, 상기 가열소자(RH)와 상기 슬레이브온도 감지소자(RS2)는 상기 유전 다이아프램(1)위에 배치되는 것을 특징으로 하는 질량기류센서.
  4. 제3항에 있어서, 더욱이 상기 유전 다이아프램(1)을 둘러싸는 고도우핑된 열도전성 반도체 림(2)을 더 포함하는 것을 특징으로 하는 질량기류센서.
  5. 제1항에 있어서, 상기 주회로수단은 가열소자(RH)의 온도에 관련된 온도와 주대기온도감지소자(RC1)의 온도사이의 온도차를 감지하며, 제1 입력이 상기 주대기온도감지소자(RC1)에 접속되고 출력이 상기 가열소자에 접속되어 상기 온도차를 일정하게 유지하기 위해 상기 가열소자를 통해 흐르는 전류를 제어하기 위한 수단(10)을 포함하는 것을 특징으로 하는 질량기류센서.
  6. 제5항에 있어서, 더욱이 온도차를 감지하기 위한 상기 수단의 제2 입력에 접속되며, 주 온도감지소자(RC1)가 상기 가열소자(RH)와 실직적으로 동일한 온도로 가열되도록 상기 가열소자(RH)에 열적으로 결합되는 주 온도감지소자(RC1)를 더 포함하는 것을 특징으로 하는 질량기류센서.
  7. 제5항에 있어서, 상기 주대기온도감지소자(RC1)는 상기 가열소자(RH)와 상기 주대기온도 감지소자(RC1)사이의 소정온도차를 설정하기 위한 오프셋수단(RD1)을 통하여 상기 제1 입력에 접속되는 것을 특징으로 하는 질량기류센서.
  8. 제1항에 있어서, 상기 발생수단은 상기 출력신호(Vout)를 발생하기 위한 슬레이브 온도차 감지수단(12)을 포함하며, 상기 출력신호는 기류를 표시하는 것을 특징으로 하는 질량기류센서.
  9. 제8항에 있어서, 상기 슬레이브 온도차 감지수단은 상기 슬레이브 온도 감지소자(RS2)에 접속되는 제1입력을 포함하는 것을 특징으로 하는 질량기류센서.
  10. 제9항에 있어서, 더욱이 슬레이브 대기 온도감지수단(RC2)을 더 포함하며, 상기 슬레이브 대기온도감지 수단은 상기 슬레이브 온도차 감지수단(12)의 제2 입력에 접속되는 것을 특징으로 하는 질량기류센서.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890701584A 1987-12-23 1988-12-16 질량기류센서용 제어 및 검출회로 KR960015065B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/137,220 US4884443A (en) 1987-12-23 1987-12-23 Control and detection circuitry for mass airflow sensors
US137,220 1987-12-23
PCT/US1988/004509 WO1989005967A1 (en) 1987-12-23 1988-12-16 Control and detection circuitry for mass airflow sensors

Publications (2)

Publication Number Publication Date
KR900700860A true KR900700860A (ko) 1990-08-17
KR960015065B1 KR960015065B1 (ko) 1996-10-24

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ID=22476340

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Application Number Title Priority Date Filing Date
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Country Status (7)

Country Link
US (1) US4884443A (ko)
EP (1) EP0395721B1 (ko)
JP (1) JPH06105178B2 (ko)
KR (1) KR960015065B1 (ko)
CA (1) CA1325530C (ko)
DE (1) DE3870252D1 (ko)
WO (1) WO1989005967A1 (ko)

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Also Published As

Publication number Publication date
WO1989005967A1 (en) 1989-06-29
EP0395721A1 (en) 1990-11-07
DE3870252D1 (de) 1992-05-21
KR960015065B1 (ko) 1996-10-24
JPH03500687A (ja) 1991-02-14
US4884443A (en) 1989-12-05
EP0395721B1 (en) 1992-04-15
CA1325530C (en) 1993-12-28
JPH06105178B2 (ja) 1994-12-21

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