KR960024187A - Anti-electrode device of temperature sensing element - Google Patents

Anti-electrode device of temperature sensing element Download PDF

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Publication number
KR960024187A
KR960024187A KR1019940035383A KR19940035383A KR960024187A KR 960024187 A KR960024187 A KR 960024187A KR 1019940035383 A KR1019940035383 A KR 1019940035383A KR 19940035383 A KR19940035383 A KR 19940035383A KR 960024187 A KR960024187 A KR 960024187A
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KR
South Korea
Prior art keywords
temperature sensing
sensing element
switching means
microcomputer
resistor
Prior art date
Application number
KR1019940035383A
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Korean (ko)
Inventor
최병준
Original Assignee
배순훈
대우전자 주식회사
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.)
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940035383A priority Critical patent/KR960024187A/en
Publication of KR960024187A publication Critical patent/KR960024187A/en

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Abstract

본 발명은 서미스터(thermistor)과 같은 온도감지소자의 전식을 방지하기 위한 온도감지소자의 전식방지장치에 관한 것으로, 온도감지소자(21)와 일단이 접지된 저항(22)과의 접점이 감압용 저항(23)을 통해 마이컴(20)의 소정포트로 접속되는 구성을 포함하는 온도감지회로에 있어서, 정전압IC(24)을 통해서 공급되는 온도 감지소자용 직류 바이러스전압이 스위칭수단(25)을 통해 상기 온도감지소자(21)에 인가되도록 접속하고, 상기 마이컴(20)의 다른포트를 통해 상기 스위칭수단(25)을 제어하되, 온도감지동작시에만 상기 스위칭수단(25)을 구동시켜 온도감지소자(21)에 바이어스전압이 인가되도록 한 것인다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for preventing the spread of a temperature sensing element such as a thermistor, wherein the contact between the temperature sensing element 21 and a resistor 22 having one end grounded is used for pressure reduction. In the temperature sensing circuit including the configuration connected to the predetermined port of the microcomputer 20 through the resistor 23, the direct current virus voltage for the temperature sensing element supplied through the constant voltage IC 24 through the switching means 25 It is connected to be applied to the temperature sensing element 21, and controls the switching means 25 through the other port of the microcomputer 20, the temperature sensing element by driving the switching means 25 only during the temperature sensing operation A bias voltage is applied to (21).

Description

온도감지소자의 전식방지장치Anti-electrode device of temperature sensing element

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

제2도는 본 발명에 의한 회로도, 제3도는 본 발명에 의한 스위칭 수단의 일실시예.Figure 2 is a circuit diagram according to the invention, Figure 3 is an embodiment of the switching means according to the present invention.

Claims (2)

온도감지소자(21)와 일단이 접지된 저항(22)과의 접점이 감압용 저항(23)을 통해 마이컴(20)의 소정포트로 접속되는 구성을 포함하는 온도감지회로에 있어서, 정전압IC(24)을 통해서 공급되는 온도 감지소자용 직류 바이러스전압이 스위칭수단(25)을 통해 상기 온도감지소자(21)에 인가되도록 접속하고, 상기 마이컴(20)의 다른 포트를 통해 상기 스위칭수단(25)을 제어하되, 온도감지동작시에만 상기 스위칭수단(25)을 구동시켜 온도감지소자(21)에 바이어스전압이 인가되도록 한 것을 특징으로 하는 온도감지소자의 전식방지장치.In the temperature sensing circuit comprising a structure in which a contact point between the temperature sensing element 21 and a resistor 22 having one end grounded is connected to a predetermined port of the microcomputer 20 through the pressure reducing resistor 23, the constant voltage IC ( The direct current virus voltage for the temperature sensing element supplied through the 24 is connected to the temperature sensing element 21 through the switching means 25, and the switching means 25 through the other port of the microcomputer 20. While controlling the temperature, the anti-slip device of the temperature sensing element, characterized in that to operate the switching means (25) only during the temperature sensing operation to apply a bias voltage to the temperature sensing element (21). 제1항에 있어서, 상기 스위칭수단(25)은 포토커플러를 사용하여된 것을 특징으로 하는 온도감지소자의 전식방지장치.The apparatus of claim 1, wherein the switching means (25) uses a photocoupler. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940035383A 1994-12-20 1994-12-20 Anti-electrode device of temperature sensing element KR960024187A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940035383A KR960024187A (en) 1994-12-20 1994-12-20 Anti-electrode device of temperature sensing element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940035383A KR960024187A (en) 1994-12-20 1994-12-20 Anti-electrode device of temperature sensing element

Publications (1)

Publication Number Publication Date
KR960024187A true KR960024187A (en) 1996-07-20

Family

ID=66688061

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940035383A KR960024187A (en) 1994-12-20 1994-12-20 Anti-electrode device of temperature sensing element

Country Status (1)

Country Link
KR (1) KR960024187A (en)

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