KR970022232A - Measuring resistance temperature control device and temperature control method - Google Patents

Measuring resistance temperature control device and temperature control method Download PDF

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Publication number
KR970022232A
KR970022232A KR1019960043780A KR19960043780A KR970022232A KR 970022232 A KR970022232 A KR 970022232A KR 1019960043780 A KR1019960043780 A KR 1019960043780A KR 19960043780 A KR19960043780 A KR 19960043780A KR 970022232 A KR970022232 A KR 970022232A
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South Korea
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voltage
temperature
supplied
temperature control
control
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KR1019960043780A
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Korean (ko)
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KR100442895B1 (en
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클레인한스 죠셉
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랄프-홀거 베렌스: 게오르그 뮐러
로베르트 보쉬 게엠베하
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Publication of KR970022232A publication Critical patent/KR970022232A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1917—Control of temperature characterised by the use of electric means using digital means
    • 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
    • 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
    • G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element

Abstract

온도제어를 더욱 플렉시블하게 하고, 제어 파라미터의 적합을 간단히 행할 수 있도록 하며 적응제어를 실행하도록 구성된다.It is configured to make the temperature control more flexible, to simplify the fitting of the control parameters, and to execute the adaptive control.

센서관련 전압의 하나는 연산증폭기(OPV)의 출력측에 발생하는 전압(UR)이고, 상기 연산증폭기(OPV)의 한쪽의 입력측에는 센서전압(US)이, 다른쪽의 입력폭에는 유통하는 매체의 온도에 의존하는 전압(UT)이 공급되며, 상기 컴퓨터(MC)는 상기 전압(UR, UT)으로부터 제어편차(△UR)가 검출된다.One of the sensor-related voltages is the voltage UR generated at the output side of the operational amplifier OPV, and the sensor voltage US is at one input side of the operational amplifier OPV, The voltage UT depending on the temperature is supplied, and the computer MC detects a control deviation ΔUR from the voltages UR and UT.

Description

유통매체 장입량 검출용 측정저항 온도제어장치 및 온도제어방법Measuring resistance temperature control device and temperature control method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 실시예의 회로도.1 is a circuit diagram of an embodiment according to the present invention.

Claims (12)

유통매체의 장입량을 검출하는 측정저항, 예를들면 내연기관의 공기 질량계 핫필름의 온도제어장치로서, 상기 측정저항에는 온도상승을 위해 제어된 가열전류가 공급되고, 가열전류의 제어는 컴퓨터에 의해 실행되며, 상기 컴퓨터에는 센서관련 전압이 공급되는 형식의 온도제어장치에 있어서, 센서관련 전압의 하나는 연산증폭기(OPV)의 출력측에 발생하는 전압(UR)이고, 상기 연산증폭기(OPV)의 한쪽의 입력측에는 센서전압(US)이, 다른쪽의 입력측에는 유통하는 매체의 온도에 의존하는 전압(UT)이 공급되고, 상기 마이크로컴퓨터(MC)가 상기 전압(UR, UT)으로부터 제어편차(△UR)를 검출하는 것을 특징으로 하는 온도제어장치.A temperature control device for measuring resistance of a distribution medium, for example, an air mass meter hot film of an internal combustion engine, wherein the measurement resistance is supplied with a controlled heating current for temperature rise, and the control of the heating current is transmitted to a computer. In the temperature control device of the type in which the computer is supplied with a sensor-related voltage, one of the sensor-related voltages is a voltage UR generated at the output side of the operational amplifier OPV, and the operational amplifier OPV. The sensor voltage US is supplied to one input side, and the voltage UT depending on the temperature of the medium to be distributed is supplied to the other input side, and the microcomputer MC supplies a control deviation from the voltages UR and UT. ΔUR). 제1항에 있어서, 마이크로컴퓨터(MC)는 디지탈 제어기(REG)를 가지며, 상기 디지탈 제어기에 제어편차(△UR)가 공급되고, 상기 디지탈 제어기는 제어편차(△UR)에 의존하여, 가열저항(RH)에 대한 전압공급을 제어하고, 검출된 흡입공기 질량에 상응하는 신호를 송출하는 것을 특징으로 하는 온도제어장치.The microcomputer MC has a digital controller REG, a control deviation ΔUR is supplied to the digital controller, and the digital controller depends on a control deviation ΔUR, and thus the heating resistance. And controlling a voltage supply to RH and transmitting a signal corresponding to the detected intake air mass. 제1항 또는 제2항에 있어서, 가열전류의 제어는 제어편차(△UR)가 제로가 되도록 행해지는 것을 특징으로 하는 온도제어장치.The temperature control device according to claim 1 or 2, wherein the control of the heating current is performed so that the control deviation? UR is zero. 제1항 또는 제2항에 있어서, 제어편차(△UR)가 선택 가능한 정수값을 취하도록 제어가 행해지는 것을 특징으로 하는 온도제어장치.The temperature control device according to claim 1 or 2, wherein the control is performed so that the control deviation? UR takes a selectable integer value. 제1항 내지 제4항 중 어느 한 항에 있어서, 마이크로컴퓨터(MC)에 밧데리 전압(UB)이 공급되고, 제어기(REG)가 밧데리 전압 보정을 행하는 것을 특징으로 하는 온도제어장치.The temperature control device according to any one of claims 1 to 4, wherein the battery voltage (UB) is supplied to the microcomputer (MC), and the controller (REG) performs battery voltage correction. 제1항 내지 제5항 중 어느 한 항에 있어서, 마이크로컴퓨터(MC)는 유통매체의 온도에 의존하는 전압(UT)으로부터 온도를 산출하고, 외부에 도통하는 것을 특징으로 하는 온도제어장치.6. The temperature control device according to any one of claims 1 to 5, wherein the microcomputer (MC) calculates a temperature from a voltage (UT) depending on the temperature of the circulation medium and conducts it to the outside. 유통매체의 장입량을 검출하는 측정저항, 예를들면 내연기관의 공기 질량계 핫필름의 온도제어방법으로서, 상기 걱정저항에 온도상승을 위해 제어된 가열전류를 공급하고, 가열전류의 제어를 컴퓨터에 의해 실행하며, 상기 컴퓨터에 센서관련 전압을 공급하는 형식의 온도제어방법에 있어서, 센서관련 전압의 하나를 연산증폭기(OPV)의 출력측에 발생하는 전압(UR)으로 하고, 상기 연산증폭기(OPV) 한쪽의 입력폭에는 센서전압(US)을, 다른쪽의 입력측에는 유통하는 매체의 온도에 의존하는 전압(UT)을 공급하며, 상기 마이크로컴퓨터(MC)에 의해 상기 전압(UR, UT)으로부터 제어편차(△UR)를 검출하는 것을 특징으로 하는 온도제어방법.As a temperature control method for measuring a resistance of a distribution medium, for example, an air mass meter hot film of an internal combustion engine, a controlled heating current is supplied to the worry resistor for temperature rise, and control of the heating current is transmitted to a computer. In the temperature control method in which a sensor-related voltage is supplied to the computer, wherein one of the sensor-related voltages is the voltage UR generated on the output side of the operational amplifier OPV, and the operational amplifier OPV. One input width is supplied with a sensor voltage US and the other input side is supplied with a voltage UT depending on the temperature of a medium to be distributed, and is controlled from the voltages UR and UT by the microcomputer MC. Detecting deviation (UR). 제7항에 있어서, 마이크로킴퓨터(MC)는 디지탈 제어기(REG)를 가지고 있고, 상기 디지탈 제어기에 제어편차(△UR)를 공급하며, 상기 디지탈 제어기는 제어편차(△UR)에 의존하여 가열저항(RH)에 대한 전압공급을 제어하고, 검출된 흡입공기 질량에 상응하는 신호를 송출하는 것을 특징으로 하는 온도제어방법.8. The microkimputer (MC) has a digital controller (REG) and supplies a control deviation (ΔUR) to the digital controller, wherein the digital controller is heated in dependence on the control deviation (ΔUR). Controlling the voltage supply to the resistor (RH) and transmitting a signal corresponding to the detected intake air mass. 제7항 또는 제8항에 있어서, 가열전류의 제어를 제어편차(△UR)가 제로가 되도록 행하는 것을 특징으로 하는 온도제어방법.The temperature control method according to claim 7 or 8, wherein the control of the heating current is performed so that the control deviation? UR is zero. 제7항 또는 제8항에 있어서, 제어편차(△UR)가 선택 가능한 정수값을 취하도록 제어를 행하는 것을 특징으로 하는 온도제어방법.The temperature control method according to claim 7 or 8, wherein the control is performed such that the control deviation? UR takes a selectable integer value. 제7항 내지 제10항 중 어느 한 항에 있어서, 마이크로컴퓨터(MC)에 밧데리 전압(UB)을 공급하고, 제어기(REG)가 밧데리 전압 보정을 행하는 것을 특징으로 하는 온도제어방법.The temperature control method according to any one of claims 7 to 10, wherein the battery voltage (UB) is supplied to the microcomputer (MC), and the controller (REG) performs battery voltage correction. 제7항 내지 제11항 중 어느 한 항에 있어서, 마이크로컴퓨터(MC)가 유통매체의 온도에 의존하는 전압(UT)으로부터 온도를 산출하고, 외부에 도통하는 것을 특징으로 하는 온도제어방법.12. The temperature control method according to any one of claims 7 to 11, wherein the microcomputer (MC) calculates the temperature from the voltage (UT) depending on the temperature of the circulation medium and conducts it to the outside. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960043780A 1995-10-07 1996-10-04 Measurement resistance temperature control device and temperature control method for detection of charge amount of distribution medium KR100442895B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19537466A DE19537466A1 (en) 1995-10-07 1995-10-07 Temperature control arrangement for measurement resistance for determining medium flow
DE19537466.5 1995-10-07

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KR970022232A true KR970022232A (en) 1997-05-28
KR100442895B1 KR100442895B1 (en) 2004-09-24

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KR (1) KR100442895B1 (en)
DE (1) DE19537466A1 (en)
IT (1) IT1284606B1 (en)

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DE19856090C1 (en) * 1998-12-04 2000-07-06 Pcs Process Control Systems Gm Measuring signal preprocessing device for a programmable logic controller (PLC)
DE10054897B4 (en) * 2000-11-06 2005-01-13 Techem Service Ag & Co. Kg Regulation for floor heating or combined floor and radiator heating
US6905242B2 (en) * 2003-01-16 2005-06-14 Dwyer Instruments, Inc. Sensor temperature control in a thermal anemometer
DE102004048901A1 (en) * 2004-10-06 2006-04-20 Heuschmidt, Richard, Dipl.-Inform. Med. Method for keeping constant the temperature of an electrically heated sensor during load changes
JP4371103B2 (en) 2005-12-01 2009-11-25 トヨタ自動車株式会社 Intake air amount calculation device for internal combustion engine
JP4316635B2 (en) * 2007-05-18 2009-08-19 三菱電機株式会社 Control device for internal combustion engine

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JPS6013446B2 (en) * 1978-11-10 1985-04-08 株式会社日本自動車部品総合研究所 Gas flow measuring device
JPS57163822A (en) * 1981-04-01 1982-10-08 Nippon Soken Inc Measuring device for air flow rate
JPS5965216A (en) * 1982-10-06 1984-04-13 Hitachi Ltd Heat type flowmeter
JPH01245119A (en) * 1988-03-28 1989-09-29 Ngk Spark Plug Co Ltd Hot-wire type flow rate measuring instrument
JP2656669B2 (en) * 1991-03-07 1997-09-24 株式会社日立製作所 Thermal air flow meter that also functions as a temperature measurement meter
JPH0682286A (en) * 1992-08-31 1994-03-22 Murata Mfg Co Ltd Thermal type flowmeter

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JPH09128064A (en) 1997-05-16
ITMI961985A1 (en) 1998-03-27
IT1284606B1 (en) 1998-05-21
DE19537466A1 (en) 1997-04-10
KR100442895B1 (en) 2004-09-24

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