KR19980028559A - Compressor Operation Control Method of Inverter Air Conditioner - Google Patents

Compressor Operation Control Method of Inverter Air Conditioner Download PDF

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Publication number
KR19980028559A
KR19980028559A KR1019960047666A KR19960047666A KR19980028559A KR 19980028559 A KR19980028559 A KR 19980028559A KR 1019960047666 A KR1019960047666 A KR 1019960047666A KR 19960047666 A KR19960047666 A KR 19960047666A KR 19980028559 A KR19980028559 A KR 19980028559A
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South Korea
Prior art keywords
compressor
air conditioner
inverter air
frequency
control method
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KR1019960047666A
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Korean (ko)
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KR0177691B1 (en
Inventor
박희찬
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구자홍
엘지전자 주식회사
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Priority to KR1019960047666A priority Critical patent/KR0177691B1/en
Publication of KR19980028559A publication Critical patent/KR19980028559A/en
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Publication of KR0177691B1 publication Critical patent/KR0177691B1/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
    • F25B2600/02—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
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/15—Power, e.g. by voltage or current
    • F25B2700/151—Power, e.g. by voltage or current of the compressor motor

Abstract

본 발명은 인버터 공기조화기의 압축기 제어방법에 관한 것으로, 특히, 압축기의 운전상태가, 압축기의 운전을 시작하는 초기운전인지의 여부와, 압축기의 운전주파수를 증/감하는지의 여부와, 운전주파수를 일정하게 하여 지속적으로 운전하는 정상운전인지의 여부를 판단하여, 상기 판단된 상태에 따라 동일 운전주파수에 대한 공급전압을 달리 설정하여 압축기를 운전하는 것을 특징으로 하는 인버터 공기조화기의 압축기 운전 제어방법이다.The present invention relates to a compressor control method of an inverter air conditioner, and in particular, whether the operation state of the compressor is the initial operation of starting the operation of the compressor, whether the operation frequency of the compressor is increased or decreased, and the operation The compressor operation of the inverter air conditioner is characterized by determining whether or not the normal operation to continuously operate the frequency constant, and setting the supply voltage for the same operation frequency differently according to the determined state. Control method.

Description

인버터 공기조화기의 압축기 운전 제어방법Compressor Operation Control Method of Inverter Air Conditioner

본 발명은 인버터 공기조화기의 압축기 제어방법에 관한 것으로, 특히, 압축기의 운전상태가 초기운전인지의 여부와 운전주파수의 증/감 여부 및 정상운전여부를 검출하여,상기 검출된 압축기의 상태에 따라 운전주파수에 따른 전압의 공급량을 제어하므로 인해, 압축기의 효율을 증대함과 동시에 소음을 감소시키기 위한 것이다.The present invention relates to a method for controlling a compressor of an inverter air conditioner. In particular, the present invention relates to a method of controlling a compressor, in particular, whether the operation state of the compressor is initial operation, whether the operating frequency is increased or decreased, and whether the operation is normal. In order to control the supply amount of the voltage according to the operating frequency accordingly, to increase the efficiency of the compressor and to reduce the noise at the same time.

이와 같이 인버터 공기조화기는 부하에 따라 주파수를 변화시킬 수 있기 때문에, 첫째, 실내온도를 상승시키기나(난방시), 하강시킬 경우(냉방시) 설정온도까지 도달하는시간을 단축시킬 수 있으며, 둘째, 압축기의 정지가 거의 없기 때문에 실내온도의 변화를 최소온도 대역에서 정밀하게 유지할 수 있고, 셋째, 최저 주파수로 기동한 후 점차고속으로 변속되기 때문에 기동전류가 운전전류 보다도 낮아 기동시 다른 전기제품에 미치는 영항이 없으며, 넷째, 일반 공기조화기에 비해 전력 손실이 적다는 장점이 있다냉방싸이클, 또는 난방싸이클을 수행하여 냉방, 또는 난방을 하였다.과전압이 인가되어 효율이 저하되고 소음이 발생하게 된다는 문제점이 있었다.In this way, since the inverter air conditioner can change the frequency according to the load, first, it is possible to shorten the time to reach the set temperature when raising the indoor temperature (when heating) or lowering (cooling). In addition, since there is almost no stop of the compressor, the change in room temperature can be maintained precisely at the minimum temperature band. Third, since the speed is gradually changed at high speed after starting at the lowest frequency, the starting current is lower than the operating current, Fourth, it has the advantage of less power loss than general air conditioner. Cooling or heating is performed by cooling cycle or heating cycle. There was this.

본 발명의 목적은, 상기와 같은 종래의 문제점을 해소하기 위한 것으로, 특히, 압축기의 운전상태가 초기운전인지의 여부와 운전주파수의 증/감 여부 및 정상운전여부를 검출하고, 상기 검출된 압축기의 상태에 따른 룩업테이블을 각기 작성하여 운전주파수에 따른 전압의 공급량을 제어하므로 인해, 압축기의 효율을 증대시킴과 동시에 소음을 감소시킨“인버터 공기조화기의 압축기 운전 제어방법”을 제공하는 데 있다.An object of the present invention is to solve the above-mentioned conventional problems, and in particular, whether the operating state of the compressor is the initial operation, whether the operating frequency is increased or decreased, and whether the normal operation is detected, and the detected compressor The present invention provides a method of controlling the compressor operation of the inverter air conditioner, which increases the efficiency of the compressor and reduces the noise due to the control of the supply amount of the voltage according to the operating frequency by creating a lookup table for each state. .

도 1 은 인버터 공기조파기의 구성을 개략적으로 나타낸 블럭도,도 3 은 본 발명“인버터 공기조화기의 압축기 운전 제어방법”중 운전주파수와 전압과의 관계를 나타낸 도면,1 is a block diagram schematically showing the configuration of an inverter air conditioner, FIG. 3 is a view showing a relationship between an operating frequency and a voltage in the present invention "compressor operation control method of an inverter air conditioner";

이하, 상기와 같이 구성된 본 발명“인버터 공기조화기의 압축기 운전 제어방법”의 기술적 사상에 따른 일 실시예를 들어 첨부된 도면 제 3도와 제 4도에 의거 상세히 설명하면 다음과 같다.이로인해 각각의 상황에 적절한 토오크를 발생시킬 수 있어, 압축기의 효율을 증대시킴과 동시에 소음을 저감시킬 수 있게 되는 것이다.Hereinafter, an embodiment according to the technical concept of the present invention configured as described above, “a method for controlling compressor operation of an inverter air conditioner” will be described in detail with reference to FIGS. 3 and 4 of the accompanying drawings. It is possible to generate a torque appropriate to the situation, thereby increasing the efficiency of the compressor and at the same time can reduce the noise.

이상에서 살펴본 바와 같이 본 발명“인버터 공기조화기의 압축기 운전 제어방업”은, 특히, 압축기의 운전상태에 따라 운전주파수에 대한 공급전압을 최적인 상태로 제어하여 회전수 대비 과전압 상태를 해소하므로 인해, 압축기의 효율을 증대시킴은 물론, 소음을 감소시킬 수 있는 효과가 있는 것이다.As described above, the present invention "compressor operation control of the inverter air conditioner", in particular, by controlling the supply voltage for the operating frequency to the optimum state in accordance with the operating state of the compressor to solve the overvoltage state relative to the number of revolutions In addition, it is possible to increase the efficiency of the compressor, as well as to reduce the noise.

Claims (4)

압축기의 운전상태가, 압축기의 운전을 시작하는 초기운전인지의 여부와, 압축기의 운전주파수를 증/감하는지의 여부와, 운전주파수를 일정하게 하여 지속적으로 운전하는 정상운전인지의 여부를 판단하여, 상기 판단된 상태에 따라 동일 운전주파수에 대한 공급전압을 달리 설정하여 압축기를 운전하는 것을 특징으로 하는 인버터 공기조화기의 압축기 운전 제어방법.It is determined whether the operation state of the compressor is the initial operation starting the operation of the compressor, whether the operation frequency of the compressor is increased / decreased, and whether it is the normal operation that continues the operation by keeping the operation frequency constant. Compressor operation control method of the inverter air conditioner, characterized in that for operating the compressor by differently setting the supply voltage for the same operating frequency according to the determined state. 제 1항에 있어서, 상기 동일 운전주파수에 대한 공급전압은, 초기운전시의 공급전압을 운전주파수 증/감시 보다 크게 설정함을 특징으로 하는 인버터 공기조화기의 압축기 운전 제어방법.The compressor operation control method for an inverter air conditioner according to claim 1, wherein the supply voltage for the same operation frequency is set such that the supply voltage during the initial operation is larger than the increase / monitoring of the operation frequency. 제 1항에 있어서, 상기 동일 운전주파수에 대한 공급전압은, 운전주파수 증/감시의 공급전압을 정상운전시 보다 크게 설정함을 특징으로 하는 인버터 공기조화기의 압축기 운전 제어방법.The method of claim 1, wherein the supply voltage for the same operation frequency is set so that the supply voltage of the increase / monitoring of the operating frequency is larger than in the normal operation. 제 1항에 있어서, 상기 동일 운전주파수에 대한 공급전압은, 초기운전시의 공급전압을 정상운전시 보다 크게 설정함을 특징으로 하는 인버터 공기조화기의 압축기 운전 제어방법.The compressor operation control method for an inverter air conditioner according to claim 1, wherein the supply voltage for the same operation frequency is set so that the supply voltage during the initial operation is larger than during the normal operation.
KR1019960047666A 1996-10-23 1996-10-23 Compresser operating control method KR0177691B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100509019B1 (en) * 1999-10-16 2005-08-18 주식회사 엘지이아이 Method for Compressor voltage control in inverter air conditioner
KR100540423B1 (en) * 1999-10-16 2006-01-10 주식회사 엘지이아이 Inverter air conditioner compressor frequency control method
CN115325767A (en) * 2021-05-10 2022-11-11 安徽美芝制冷设备有限公司 Refrigerator and starting method and device of constant-frequency compressor of refrigerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100509019B1 (en) * 1999-10-16 2005-08-18 주식회사 엘지이아이 Method for Compressor voltage control in inverter air conditioner
KR100540423B1 (en) * 1999-10-16 2006-01-10 주식회사 엘지이아이 Inverter air conditioner compressor frequency control method
CN115325767A (en) * 2021-05-10 2022-11-11 安徽美芝制冷设备有限公司 Refrigerator and starting method and device of constant-frequency compressor of refrigerator
CN115325767B (en) * 2021-05-10 2023-11-21 安徽美芝制冷设备有限公司 Refrigerator and starting method and device of constant-frequency compressor of refrigerator

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