KR960011320A - Air Conditioner Controls and Methods - Google Patents

Air Conditioner Controls and Methods Download PDF

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Publication number
KR960011320A
KR960011320A KR1019940022124A KR19940022124A KR960011320A KR 960011320 A KR960011320 A KR 960011320A KR 1019940022124 A KR1019940022124 A KR 1019940022124A KR 19940022124 A KR19940022124 A KR 19940022124A KR 960011320 A KR960011320 A KR 960011320A
Authority
KR
South Korea
Prior art keywords
compressor
air conditioner
value
control
phase current
Prior art date
Application number
KR1019940022124A
Other languages
Korean (ko)
Other versions
KR0149882B1 (en
Inventor
김태덕
Original Assignee
김광호
삼성전자 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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019940022124A priority Critical patent/KR0149882B1/en
Publication of KR960011320A publication Critical patent/KR960011320A/en
Application granted granted Critical
Publication of KR0149882B1 publication Critical patent/KR0149882B1/en

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Classifications

    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • 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
    • F25B2600/01—Timing
    • 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
    • F25B2600/02—Compressor control
    • F25B2600/021—Inverters therefor
    • 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
    • F25B2600/02—Compressor control
    • F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

본 발명은 공기 조화기를 보호하는 제어장치 및 그 방법에 관한 것으로, 특히 일시적인 이상상태 발생시 압축기와 구동 인버터 회로의 상태를 판정하여 연속적인 운전이 가능하게 하는 공기 조화기 제어장치 및 그 방법에 관한 것이다. 이와 같은 본 발명의 공기 조화기 제어장치에서는 압축기, 상 전류 검출부 및 마이크로 컴퓨터의 출력신호에 의해 상기 압축기를 가변속 제어하는 인버터 제어부를 구비하는 공기 조화기 제어장치에 있어서, 상기 압축기의 운전 상태를 판정하기 위하여 실외기를 흐르는 전체전류를 검출하는 전 전류 검출부와 상기 전 전류 검출부의 검출값과 상 전류 검출부의 검출값을 비교하고 소정의 연산을 행하여 기준값을 설정하는 비교 연산부, 회로 내 각 소자의 보호시간을 계수하는 타이머 및 인버터 제어회로의 동작펄스를 출력하는 제어부로 이루어진 마이크로 컴퓨터를 포함하여 압축기의 운전 상태를 가변적으로 제어하는 것이다.The present invention relates to a control device and method for protecting an air conditioner, and more particularly, to an air conditioner control device and method for determining continuous state of a compressor and a drive inverter circuit when a temporary abnormal condition occurs to enable continuous operation. . In the air conditioner controller of the present invention, the air conditioner controller includes a compressor, a phase current detector, and an inverter controller configured to control the compressor at a variable speed by an output signal of a microcomputer. In order to compare the total current flowing through the outdoor unit, the total current detection unit, the comparison operation unit for comparing the detected value of the all current detection unit and the detected value of the phase current detection unit, and performing a predetermined calculation to set a reference value, the protection time of each element in the circuit. It includes a microcomputer consisting of a timer for counting the controller and a control unit for outputting an operation pulse of the inverter control circuit to control the operation state of the compressor.

Description

공기 조화기 제어장치 및 방법Air Conditioner Controls and Methods

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래 공기 조화기 제어장치 회로도,1 is a circuit diagram of a conventional air conditioner controller,

제2도는 본 발명에 따른 공기 조화기 제어장치 회로도,2 is a circuit diagram of an air conditioner controller according to the present invention;

제3도는 본 발명에 따른 공기 조화기 제어장치 흐름도.3 is a flow chart of the air conditioner controller according to the present invention.

Claims (2)

압축기(5), 상 전류 검출부(7) 및 마이크로 컴퓨터(9)의 출력신호에 의해 상기 압축기(5)를 가변속 제어하는 인버터 제어부(6)를 구비하는 공기 조화기 제어장치에 있어서, 상기 압축기(6)의 운전 상태를 판정하기 위하여 실외기를 흐르는 전체전류를 검출하는 전 전류 검출부(8)와 상기 전 전류 검출부(8)의 검출값과 상 전류 검출부(7)의 검출값을 비교하고 소정의 연산을 행하여 기준값을 설정하는 비교 연산부, 회로 내 각 소자의 보호시간을 계수하는 타이머 및 인버터 제어회로(6)의 동작펄스를 출력하는 제어부로 이루어진 마이크로 컴퓨터(9)를 포함하여 압축기의 운전 상태를 가변적으로 제어하는 공기 조화기 제어장치.In the air conditioner control device provided with the inverter control part 6 which carries out the variable speed control of the compressor 5 by the output signal of the compressor 5, the phase current detection part 7, and the microcomputer 9, The said compressor ( In order to determine the operation state of 6), a comparison between the detected value of the all current detector 8 and the all current detector 8 for detecting the total current flowing through the outdoor unit and the detected value of the phase current detector 7 is performed. A microcomputer 9 comprising a comparison operation unit for setting a reference value by setting a reference value, a timer for counting the protection time of each element in the circuit, and a control unit for outputting an operation pulse of the inverter control circuit 6, wherein the operation state of the compressor is variable. Air conditioner controller controlled by remote control. 압축기, 상 전류 검출부, 전 전류 검출부 및 마이크로 컴퓨터의 출력신호에 의해 상기 압축기를 가변속 제어하는 인버터 제어부를 구비하는 공기 조화기 제어장치에 있어서, 상 전류값 및 전 전류값을 검출하여 그 차이를 산출하고, 상기 마이크로 컴퓨터에서의 연상에 의해 설정된 기준값과 비교함과 동시에 시간을 카운트하는 연산과정(L1), 기준값보다 상 전류값과 전 전류값의 차이값이 작을 경우 카운트를 초기화 시키고 정상운전을 실행하는 정상운전과정(L2), 기준값보다 상 전류값과 전 전류값의 차이값이 크고, 카운트된 시간이 공기조화기를 보호하기에 필요한 시간을 초과한 경우 압축기를 정지하고 고장이 발생을 알림과 동시에 공기 조화기의 운전을 정지하는 운전 정지 과정(L3), 기준값보다 상 전류값과 전 전류값의 차이값이 크고, 카운트된 시간이 공기 조화기를 보호하기에 필요한 시간을 초과하지 않은 경우 인버터 제어회로를 제어하여 상기 압축기에 인가되는 전압의 주파수를 하강하고 상기 연산과정을 재 수행하는 일시적인 이상상태시 과정(L4)을 포함하는 것을 특징으로 하는 공기 조화기 제어방법.An air conditioner control device including a compressor, a phase current detector, an all current detector, and an inverter controller for variable speed control of the compressor by an output signal from a microcomputer, wherein the phase current value and the total current value are detected and the difference is calculated. And comparing the reference value set by the association with the microcomputer and counting the time, and counting the time. If the difference value between the phase current value and all current values is smaller than the reference value, the count is initialized and normal operation is executed. Normal operation process (L2), the difference between the phase current value and the total current value is larger than the reference value, and if the counted time exceeds the time required to protect the air conditioner, the compressor is stopped and a failure is notified. Operation stop process (L3) of stopping the operation of the air conditioner, the difference value between the phase current value and the total current value is larger than the reference value, If the time does not exceed the time required to protect the air conditioner includes a temporary abnormal state process (L4) to control the inverter control circuit to lower the frequency of the voltage applied to the compressor and to perform the operation again. Air conditioner control method, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940022124A 1994-09-02 1994-09-02 Airconditioner control device and method KR0149882B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940022124A KR0149882B1 (en) 1994-09-02 1994-09-02 Airconditioner control device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940022124A KR0149882B1 (en) 1994-09-02 1994-09-02 Airconditioner control device and method

Publications (2)

Publication Number Publication Date
KR960011320A true KR960011320A (en) 1996-04-20
KR0149882B1 KR0149882B1 (en) 1999-03-30

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KR1019940022124A KR0149882B1 (en) 1994-09-02 1994-09-02 Airconditioner control device and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477773A (en) * 2017-07-25 2017-12-15 广东美的制冷设备有限公司 Air conditioner and its control method and control device

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