KR0136769B1 - 공기조화기의 습도감지장치 - Google Patents
공기조화기의 습도감지장치Info
- Publication number
- KR0136769B1 KR0136769B1 KR1019920027223A KR920027223A KR0136769B1 KR 0136769 B1 KR0136769 B1 KR 0136769B1 KR 1019920027223 A KR1019920027223 A KR 1019920027223A KR 920027223 A KR920027223 A KR 920027223A KR 0136769 B1 KR0136769 B1 KR 0136769B1
- Authority
- KR
- South Korea
- Prior art keywords
- humidity
- comparator
- output
- oscillator
- voltage
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims (4)
- 습도감지회로에 일정한 레벨의 직류전압을 공급하는 기준전압발생부와, 상기 기준전압발생부에서 출력된 직류전압을 받아 정현파형의 발진주파수를 발생시키는 제1발진부와, 상기 제1발진부에서 발생된 정현파가 포함된 전압을 받아 습도변화에 따라 서로다른 주파수를 발생시키고, 상기 발생된 주파수를 계수하여 출력하는 제2발진부와, 상기 제2발진부에서 출력된 주파수신호를 받아 공기조화기의 전체운전을 제어하는 마이크로컴퓨터로 이루어진 것을 특징으로 하는 공기조화기의 습도감지장치.
- 제1항에 있어서, 상기 기준전압발생부(1)는 일정한 전압을 출력하는 비교기(19)와, 일정한 직류전압을 받아 충전 및 맥류성분을 필터링하는 완충콘덴서(C1)와, 상기 완충콘덴서(C1)를 통해 출력되는 직류전압을 받아 상기 비교기(19)의 비반전(+)단자에 출력하는 저항(R1)이 상기 완충콘덴서(C1)와 비교기(19)의 비반전단자(+)에 접속되어 있고, 바이어스저항(R2)이 비교기(19)의 비반전단자(+)와 그라운드측에 접속되어 있는 것을 특징으로 하는 공기조화기의 습도감지장치.
- 제1항에 있어서, 상기 제1발진부(13)는 상기 기준전압발생부(1)에서 출력되는 직류전압을 받아 출력되는 전압중에 포함된 전류성분을 받아 발진작용에 의해 진동전류를 발생시키는 저항(R3, R4) 및 콘덴서(C2, C3)와, 상기 저항(R3, R4)및 콘덴서(C2, C3)에 의해서 발생된 진동전류신호에서 노이즈(NOISE)를 필터링하는 콘덴서(C4)와, 상기 노이즈가 필터링된 진동전류를 출력하는 비교기(21)와, 상기 비교기(21)에서 출력되는 진동전류성분중에서 직류성분을 필터링하는 콘덴서(C5)아, 상기 콘덴서(C5)에서 출력된 전류를 제한하는 저항(R6)으로 구성되어 있고, 상기 비교기(21)의 출력단자와 반전단자(-)에 부궤환저항(R5)과, 상기 부궤환저항(R5)의 양단전압이 소정값이상으로 올라갈수 없도록 제한하는 다이오드(D1, D2)가 역직렬로 접속되어 있으며, 상기 부궤환저항(R5)과 다이오드(D1, D2)가 병렬로 접속되어 있는것을 특징으로 하는 공기조화기의 습도감지장치.
- 제1항에 있어서, 상기 제2발진부(15)는 상기 제1발진부(13)에서 출력되는 진동전류를 반전단자(-)에서 받음과 동시에 상기 기준전압발생부(1)로부터 직류전압(+5V)을 받아 +5V의 전위로 상승된 진동전류를 출력하는 비교기(25)와, 습도를 감지함과 동시에 감지된 습도에 따라 저항값을 변화시키는 습도센서(23)와, 상기 습도센서(23)와 접속되어 발진작용에 의한 발진주파수를 발생하며 상기 비교기(25)에 부궤환 접속된 콘덴서(C6)와, 상기 습도변화에의해 발생된 발진주파수를 받아 비교기(27)의 반전단자(-)에 입력하도록 접속된 저항(R7)과, 상기 저항(R7)을 통해 반전단자(-)에 입력된 주파수를 받음과 동시에 상기 기준전압발생부(1)에서 출력된 직류전압을 비반전단자(+)에서 받아 일정한 전위(+5V)로 상승시키고, 상기 저항(R7)을 통해 반전단자(-)에 입력된 발진주파수를 계수하여 마이크로컴퓨터(11)의 입력포트(IN)로 출력하는 비교기(27)와, 상기 비교기(27)의 출력단자와 반전단자(-)에 접속되어 있는 부궤환저항(R8)으로 구성되어 있는 것을 특징으로 하는 공기조화기의 습도감지장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920027223A KR0136769B1 (ko) | 1992-12-31 | 1992-12-31 | 공기조화기의 습도감지장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920027223A KR0136769B1 (ko) | 1992-12-31 | 1992-12-31 | 공기조화기의 습도감지장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940015413A KR940015413A (ko) | 1994-07-20 |
| KR0136769B1 true KR0136769B1 (ko) | 1998-07-01 |
Family
ID=19348361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019920027223A Expired - Fee Related KR0136769B1 (ko) | 1992-12-31 | 1992-12-31 | 공기조화기의 습도감지장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0136769B1 (ko) |
-
1992
- 1992-12-31 KR KR1019920027223A patent/KR0136769B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR940015413A (ko) | 1994-07-20 |
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