KR970034397A - Air conditioner control device and method for preventing vehicle load change - Google Patents

Air conditioner control device and method for preventing vehicle load change Download PDF

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Publication number
KR970034397A
KR970034397A KR1019950055152A KR19950055152A KR970034397A KR 970034397 A KR970034397 A KR 970034397A KR 1019950055152 A KR1019950055152 A KR 1019950055152A KR 19950055152 A KR19950055152 A KR 19950055152A KR 970034397 A KR970034397 A KR 970034397A
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KR
South Korea
Prior art keywords
refrigerant
air conditioner
switch
pressure
turned
Prior art date
Application number
KR1019950055152A
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Korean (ko)
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KR0180398B1 (en
Inventor
임상호
Original Assignee
전성원
현대자동차 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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Application filed by 전성원, 현대자동차 주식회사 filed Critical 전성원
Priority to KR1019950055152A priority Critical patent/KR0180398B1/en
Publication of KR970034397A publication Critical patent/KR970034397A/en
Application granted granted Critical
Publication of KR0180398B1 publication Critical patent/KR0180398B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3248—Cooling devices information from a variable is obtained related to pressure
    • B60H2001/325—Cooling devices information from a variable is obtained related to pressure of the refrigerant at a compressing unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3269—Cooling devices output of a control signal
    • B60H2001/327—Cooling devices output of a control signal related to a compressing unit
    • B60H2001/3273—Cooling devices output of a control signal related to a compressing unit related to the operation of the vehicle, e.g. the compressor driving torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2515—Flow valves

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

냉매의 유압이 높아지거나 낮아지는 경우에 온/오프되는 유압 스위치(OSW)와, 상기한 유압 스위치가 온되는 경우에, 즉 냉매의 작동압력이 일정치 이상으로 높아진 경우에 솔레노이드 밸브가 다단계로 순차적으로 닫히도록 하고, 상기한 유압 스위치가 오프되는 경우에, 즉 냉매의 작동압력이 일정치 이하로 낮아진 경우에 솔레노이드 밸브가 다단계로 순차적으로 열리도록 하기 위한 제어신호를 출력하는 마이크로 컨트롤러(10)와, 상기한 마이크로 컨트롤러로부터 입력되는 신호에 따라 동작됨으로써 냉매의 작동 압력을 조절하는 솔레노이드 밸브(20)를 포함하여 이루어지며, 컴프레셔에 인가되는 유체의 압력(부하)이 급격하게 변동되지 않도록 함으로써 엔진의 출력을 일정하게 유지시킬 수 있는 효과를 가진 부하변동을 방지한 자동차의 에어컨 제어장치 및 그 방법을 제공한다.The hydraulic switch (OSW) which is turned on / off when the hydraulic pressure of the refrigerant is increased or lowered, and the solenoid valve is sequentially multi-stage when the hydraulic switch is turned on, that is, when the operating pressure of the refrigerant is raised above a certain value. And the microcontroller 10 for outputting a control signal to sequentially open the solenoid valve in multiple stages when the hydraulic switch is turned off, that is, when the operating pressure of the refrigerant is lowered below a predetermined value. And a solenoid valve 20 which adjusts the operating pressure of the refrigerant by operating according to the signal input from the microcontroller, and prevents the pressure (load) of the fluid applied to the compressor from being drastically changed. Air conditioner control of car that prevents load fluctuation with the effect of keeping the output constant An apparatus and a method thereof are provided.

Description

부하변동을 방지한 자동차의 에어컨 제어장치 및 그 방법Air conditioner control device and method for preventing vehicle load change

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

제1도는 종래의 에어콘 장치에서 솔레노이드 밸브의 온오프 동작에 따라 엔진의 출력이 변화되는 것을 나타내는 동작 파형도이다.1 is an operation waveform diagram showing that the output of the engine is changed in accordance with the on-off operation of the solenoid valve in the conventional air conditioner device.

제2도는 이 발명의 실시예에 따른 부하변동을 방지한 자동차의 에어컨 제어장치의 구성 회로도이다.2 is a circuit diagram of an air conditioner control apparatus for a vehicle which prevents load fluctuation according to an embodiment of the present invention.

제3도는 이 발명의 실시예에 따른 부하변동을 방지한 자동차의 에어컨 제어방법의 동작 순서도이다.3 is a flowchart illustrating a method for controlling an air conditioner for a vehicle which prevents load fluctuation according to an embodiment of the present invention.

제4도는 이 발명의 실시예에 따른 부하변동을 방지한 자동차의 에어컨 제어장치에서 솔레노이드 밸브의 다단계 온오프 동작에 엔진의 출력이 일정하게 유지되는 것을 나타내는 동작 파형도이다.4 is an operation waveform diagram showing that the output of the engine is kept constant during the multi-stage on / off operation of the solenoid valve in the air conditioner control apparatus of the vehicle which prevents the load fluctuation according to the embodiment of the present invention.

Claims (4)

냉매의 유압이 높아지거나 낮아지는 경우에 온/오프되는 유압 스위치와, 상기한 유압 스위치가 온되는 경우에, 즉 냉매의 작동압력이 일정치 이상으로 높아진 경우에 솔레노이드 밸브가 다단계로 순차적으로 닫히도록 하고, 상기한 유압 스위치가 오프되는 경우에, 즉 냉매의 작동압력이 일정치 이하로 낮아진 경우에 솔레노이드 밸브가 다단계로 순차적으로 열리도록 하기 위한 제어신호를 출력하는 마이크로 컨트롤러와, 상기한 마이크로 컨트롤러로부터 입력되는 신호에 따라 동작됨으로써 냉매의 작동 압력을 조절하는 솔레노이드 밸브를 포함하여 이루어지는 것을 특징으로 하는 부하변동을 방지한 자동차의 에어컨 제어장치.The solenoid valve is closed in multiple stages when the hydraulic switch on / off when the hydraulic pressure of the refrigerant is increased or lowered, and when the hydraulic switch is turned on, that is, when the operating pressure of the refrigerant is higher than a predetermined value. And a microcontroller for outputting a control signal for sequentially opening the solenoid valve in multiple stages when the hydraulic switch is turned off, i.e., when the operating pressure of the refrigerant is lowered below a predetermined value. The air conditioner control device for a vehicle which prevents load fluctuation, characterized in that it comprises a solenoid valve for controlling the operating pressure of the refrigerant by operating in accordance with the input signal. 제1항에 있어서, 사용자가 필요에 따라 에어컨 제어장치를 선택적으로 동작시키기 위한 동작 스위치를 더 포함하여 이루어지는 것을 특징으로 하는 부하변동을 방지한 자동차의 에어컨 제어장치.The air conditioner control apparatus for a vehicle according to claim 1, further comprising an operation switch for allowing the user to selectively operate the air conditioner control apparatus as necessary. 제1항 또는 제2항에 있어서, 상기한 마이크로 컨트롤러는 내부에 애널로그/디지틀 컨버터와 메모리가 내장되어 있는 것을 특징으로 하는 부하변동을 방지한 자동차의 에어컨 제어장치.The air conditioner control apparatus for a vehicle according to claim 1 or 2, wherein the microcontroller includes an analog / digital converter and a memory therein. 전원이 인가되면 동작이 시작되어, 모든 메모리 변수를 초기화시키는 단계와, 동작 스위치로부터 입력되는 신호를 읽어들여 동작 스위치가 온되었는지를 판단하는 단계와, 동작 스위치가 온된 경우에 압력 스위치로부터 압력되는 신호를 읽어들여 압력 스위치가 온되었는지를 판단하는 단계와, 압력 스위치가 온된 경우에, 즉 냉매의 작동압력이 일정치 이상으로 높아진 경우에 솔레노이드 밸브가 다단계로 차단되도록 하는 단계와, 압력 스위치가 오프된 경우에, 즉 냉매의 작동압력이 일정치 이하로 낮아진 경우에 솔레노이드 밸브가 다단계로 개방되도록 하는 단계를 포함하여 이루어지는 것을 특징으로 하는 부하변동을 방지한 자동차의 에어컨 제어방법.The operation is started when the power is applied, initializing all memory variables, reading a signal input from the operation switch to determine whether the operation switch is on, and a signal pressurized from the pressure switch when the operation switch is on. Determining whether the pressure switch is turned on, causing the solenoid valve to shut off in multiple stages when the pressure switch is turned on, that is, when the operating pressure of the refrigerant rises above a certain value, and the pressure switch is turned off. In this case, that is, the air conditioner control method of the vehicle, characterized in that it comprises the step of opening the solenoid valve in multiple stages when the operating pressure of the refrigerant is lowered below a certain value. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950055152A 1995-12-23 1995-12-23 Airconditioner control device of a vehicle preventing the change of load and the method KR0180398B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950055152A KR0180398B1 (en) 1995-12-23 1995-12-23 Airconditioner control device of a vehicle preventing the change of load and the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950055152A KR0180398B1 (en) 1995-12-23 1995-12-23 Airconditioner control device of a vehicle preventing the change of load and the method

Publications (2)

Publication Number Publication Date
KR970034397A true KR970034397A (en) 1997-07-22
KR0180398B1 KR0180398B1 (en) 1999-05-01

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KR1019950055152A KR0180398B1 (en) 1995-12-23 1995-12-23 Airconditioner control device of a vehicle preventing the change of load and the method

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