KR20040077338A - Air conditioner having washing apparatus for heat exchanger - Google Patents
Air conditioner having washing apparatus for heat exchanger Download PDFInfo
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- KR20040077338A KR20040077338A KR1020030012857A KR20030012857A KR20040077338A KR 20040077338 A KR20040077338 A KR 20040077338A KR 1020030012857 A KR1020030012857 A KR 1020030012857A KR 20030012857 A KR20030012857 A KR 20030012857A KR 20040077338 A KR20040077338 A KR 20040077338A
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- heat exchanger
- water
- washing
- sensor
- amount
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- 238000005406 washing Methods 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000000428 dust Substances 0.000 claims abstract description 32
- 239000003507 refrigerant Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000008237 rinsing water Substances 0.000 claims description 16
- 239000002351 wastewater Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000003014 ion exchange membrane Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000589248 Legionella Species 0.000 description 1
- 208000007764 Legionnaires' Disease Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
본 발명은 팬에 의해 유입되는 외기와 자체에 내재된 배관상의 차가운 냉매를 서로 열교환하여 냉기를 생성하는 열교환기를 포함하는 공기조화기로서, 상기 열교환기의 외측에 적어도 하나 이상 구비되어 그 주변의 먼지량을 감지하는 센서; 상기 열교환기의 일측에 구비되어 열교환기 외부에 물을 분사하는 세척수단; 및 상기 센서로부터 신호를 제공받고, 미리 설정된 기준먼지량과 센서로 감지된 먼지량을 비교하여 센서로 감지된 먼지량이 미리 설정된 기준먼지량보다 많으면 세척수단이 열교환기를 향해 물을 분사하도록 제어하는 제어부를 포함하는 것을 특징으로 한다.The present invention relates to an air conditioner including a heat exchanger for generating cold air by heat-exchanging cold refrigerant on a pipe inherent in the outside and the air introduced by a fan, wherein at least one outside of the heat exchanger is provided and the amount of dust around Sensor to detect; Is provided on one side of the heat exchanger washing means for spraying water to the outside of the heat exchanger; And a control unit receiving a signal from the sensor and comparing the preset reference dust amount with the amount of dust detected by the sensor to control the washing means to spray water toward the heat exchanger if the amount of dust detected by the sensor is greater than the preset reference dust amount. It is characterized by.
Description
본 발명은 열교환기용 세척장치를 구비한 공기조화기에 관한 것이다.The present invention relates to an air conditioner having a washing device for a heat exchanger.
일반적으로, 공기조화기는 압축기(compressor), 응축기(condenser), 팽창밸브(expansion valve) 및 열교환기(heat exchanger) 등으로 구성된다.In general, an air conditioner is composed of a compressor, a condenser, an expansion valve, a heat exchanger, and the like.
여기서, 압축기에서 배출되는 냉매는 응축기, 팽창밸브, 열교환기를 거쳐 다시 압축기로 유입되는 순환구조를 가지며, 상기 구성요소들은 서로 배관으로 연결된다.Here, the refrigerant discharged from the compressor has a circulation structure flowing back to the compressor via a condenser, expansion valve, heat exchanger, the components are connected to each other by a pipe.
구체적으로, 압축기는 냉매를 고온 고압의 가스로 변환하는 장치이고, 응축기는 고온고압의 가스를 액화하는 장치이며, 팽창밸브는 열교환이 용이하도록 저온 저압으로 냉매를 분무상태로 팽창시킴과 아울러, 그 냉매의 팽창정도를 조절하는 장치이고, 열교환기는 팬에 의해 유입되는 외기와 자체에 내재된 배관상의 차가운 냉매를 서로 열교환하여 냉기를 생성하는 장치이다.Specifically, the compressor is a device for converting the refrigerant into a gas of high temperature and high pressure, the condenser is a device for liquefying the gas of high temperature and high pressure, the expansion valve expands the refrigerant to a spray state at low temperature and low pressure to facilitate heat exchange, The heat exchanger is a device that controls the degree of expansion of the refrigerant, the heat exchanger is a device for generating cold air by heat-exchanging the cold refrigerant on the pipe and the internal air introduced by the fan with each other.
한편, 분리형 공기조화기의 경우에는 실내기와 실외기로 이루어지며, 실내기에는 열교환기가 구비되고 실외기에는 압축기, 응축기 및 팽창밸브가 구비된다.On the other hand, the separate air conditioner is composed of an indoor unit and an outdoor unit, the indoor unit is provided with a heat exchanger, the outdoor unit is provided with a compressor, a condenser and an expansion valve.
도 1은 분리형 공기조화기의 실내기를 도시한 간략도이다. 도시된 바와 같이, 실내기는 본체(1), 열교환기(2) 및 팬(3)으로 이루어진다.1 is a simplified diagram showing an indoor unit of a separate air conditioner. As shown, the indoor unit consists of a body 1, a heat exchanger 2 and a fan 3.
이러한 실내기의 동작은 우선, 모터(미도시)에 의해 팬(3)이 구동하면본체(1)의 하부에 위치한 흡입구(5)를 통해 공기가 본체(1)의 내부로 인입되고, 본체(1) 내부로 인입된 공기는 열교환기(2) 내부의 차가운 냉매와 서로 열교환하여 냉기를 생성하며, 이로 인해 생성된 냉기는 다시 팬(3)을 거쳐 본체(1)의 상부에 위치한 토출구(6)를 통해 본체 외부로 배출된다.In operation of the indoor unit, when the fan 3 is driven by a motor (not shown), air is introduced into the main body 1 through the inlet 5 located at the lower part of the main body 1, and the main body 1 The air introduced into the heat exchanges with the cold refrigerant inside the heat exchanger 2 to generate cold air, and the generated cold air is again discharged through the fan 3 to the upper part of the main body 1. It is discharged to the outside of the body through.
하지만, 종래의 공기조화기에서 열교환기는 그 자체에서 발생된 응축수와 팬에 의해 유입된 공기 속에 함유된 먼지의 혼합에 의해 쉽게 오염되는 문제점이 있었다.However, in the conventional air conditioner, the heat exchanger has a problem of being easily contaminated by the mixing of condensate generated by itself and dust contained in the air introduced by the fan.
이와 같이, 응축수와 먼지에 의해 오염된 열교환기는 레지오넬라 등과 같은 세균들이 서식하기에 적합한 조건을 제공하게 되며, 오염된 열교환기에 서식하는 세균들로 인해 사용자들이 냉방병에 걸리는 등의 건강상의 문제를 유발하였다.As such, the heat exchanger contaminated with condensate and dust provides conditions suitable for inhabitants such as Legionella, and causes health problems such as cooling disease for users due to the bacteria inhabiting the contaminated heat exchanger. .
아울러, 종래에는 오염된 열교환기를 청소하기 위해서는 사용자가 직접 공기조화기의 실내기를 분리하여야 하는 등의 번거러운 문제점이 있었다.In addition, conventionally, in order to clean the contaminated heat exchanger, there is a troublesome problem in that the user needs to separate the indoor unit of the air conditioner.
본 발명은 상기와 같은 문제점을 해결하기 안출된 것으로, 열교환기의 오염을 방지하여 사용자들을 냉방병과 같은 질병에서 안전하게 보호하고, 별도로 사용자가 열교환기를 청소할 필요가 없는 열교환기용 세척장치를 구비한 공기조화기를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, to prevent pollution of the heat exchanger to protect users from diseases such as cooling bottles, and air conditioning provided with a washing device for the heat exchanger that does not require the user to clean the heat exchanger separately The purpose is to provide a flag.
도 1은 종래기술에 따른 공기조화기용 실내기를 도시한 간략도이고,1 is a simplified view showing an indoor unit for an air conditioner according to the prior art,
도 2는 본 발명에 따른 열교환기용 세척장치를 구비한 공기조화기에서 세척장치를 개략적으로 도시한 블록도이고,2 is a block diagram schematically showing a washing apparatus in an air conditioner having a washing apparatus for a heat exchanger according to the present invention;
도 3은 본 발명에 따른 열교환기용 세척장치를 구비한 공기조화기에서 세척수탱크의 원리를 도시한 개략도이다.Figure 3 is a schematic diagram showing the principle of the wash water tank in the air conditioner with a washing device for a heat exchanger according to the present invention.
-도면의 주요부분에 대한 부호의 설명-Explanation of symbols on the main parts of the drawing
10; 센서 20; 저수탱크10; Sensor 20; Water tank
30; 제 1펌프 31; 제 2펌프30; First pump 31; 2nd pump
40; 필터 50; 저장부40; Filter 50; Storage
51; 세척수탱크 52; 헹굼수탱크51; Wash water tank 52; Rinse Water Tank
53; 스위칭밸브 54; 이온교환막53; Switching valve 54; Ion exchange membrane
55; 양전극판 56; 음전극판55; Positive electrode plate 56; Negative electrode plate
57; 세척수방 58; 전해질방57; Washbang 58; Electrolyte Room
59; 하우징 60; 분사기59; A housing 60; Sandblast
70; 제어부 80; 공급배관70; A controller 80; Supply piping
81; 리턴배관 90; 물받이81; Return piping 90; Drip
상기한 목적을 달성하기 위한 본 발명의 형태에 따르면, 팬에 의해 유입되는 외기와 자체에 내재된 배관상의 차가운 냉매를 서로 열교환하여 냉기를 생성하는열교환기를 포함하는 공기조화기로서, 상기 열교환기의 외측에 적어도 하나 이상 구비되어 그 주변의 먼지량을 감지하는 센서; 상기 열교환기의 일측에 구비되어 열교환기 외부에 물을 분사하는 세척수단; 및 상기 센서로부터 신호를 제공받고, 미리 설정된 기준먼지량과 센서로 감지된 먼지량을 비교하여 센서로 감지된 먼지량이 미리 설정된 기준먼지량보다 많으면 세척수단이 열교환기를 향해 물을 분사하도록 제어하는 제어부를 포함하는 것을 특징으로 하는 열교환기용 세척장치를 구비한 공기조화기를 제공한다.According to an aspect of the present invention for achieving the above object, an air conditioner comprising a heat exchanger for generating cold air by heat-exchanging the cold refrigerant on the pipe and the internal refrigerant introduced by the fan with each other, At least one sensor provided on the outside to sense an amount of dust around the sensor; Is provided on one side of the heat exchanger washing means for spraying water to the outside of the heat exchanger; And a control unit receiving a signal from the sensor and comparing the preset reference dust amount with the amount of dust detected by the sensor to control the washing means to spray water toward the heat exchanger if the amount of dust detected by the sensor is greater than the preset reference dust amount. Provided is an air conditioner having a washing device for a heat exchanger.
아울러, 상기 세척수단은 원수를 수용하는 저수탱크와, 상기 열교환기 하면에 구비되어 열교환기의 응축수 또는 열교환기를 세척한 폐수의 집수 공간을 제공하는 물받이와, 상기 저수탱크 및 물받이로부터 각각 배관을 통해 물을 제공받아 불순물을 여과하는 필터와, 상기 필터로부터 제공된 물을 승압시키도록 배관 상에 다수개로 구비된 펌프와, 상기 필터로부터 여과된 물을 제공받고 세척수를 생성하거나 저장하는 저장부와, 상기 저장부로부터 배관을 통해 물을 제공받아 열교환기의 외부에 분사하는 분사기로 이루어지는 것을 특징으로 한다.In addition, the washing means is a water tank for accommodating the raw water, a drip tray provided on the lower surface of the heat exchanger to provide a collecting space for the condensate of the heat exchanger or the waste water washed the heat exchanger, and through the piping from the water tank and the drip tray, respectively A filter for receiving impurities and filtering impurities, a pump provided in a plurality of pipes to boost the water provided from the filter, a storage unit for receiving and filtering water from the filter and generating or storing washing water; It is characterized by consisting of an injector for receiving water through a pipe from the storage unit to the outside of the heat exchanger.
상기 저장부는 상기 필터로부터 여과된 물을 공급받아 물을 전기분해하여 세척수를 생성하도록 한 쌍의 전극판과, 전극판들 사이에 이온분리막을 갖는 세척수탱크와, 상기 필터로부터 여과된 물을 공급받아 저장하는 헹굼수탱크와, 상기 세척수탱크 또는 헹굼수탱크 중 어느 하나를 분사기와 배관으로 소통되도록 하는 스위칭밸브로 이루어진 것을 특징으로 한다.The storage unit receives the filtered water from the filter and receives a pair of electrode plates, a washing water tank having an ion separation membrane between the electrode plates, and the filtered water from the filter to electrolyze the water to generate washing water. A rinsing water tank for storing and a switching valve for communicating any one of the washing water tank or the rinsing water tank to the injector and the pipe.
이하, 첨부된 도면을 참조하여 본 발명에 따른 열교환기용 세척장치를 구비한 공기조화기의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of an air conditioner with a washing device for a heat exchanger according to the present invention.
도 2는 본 발명에 따른 열교환기용 세척장치를 구비한 공기조화기에서 세척장치를 개략적으로 도시한 블록도이고, 도 3은 본 발명에 따른 열교환기용 세척장치를 구비한 공기조화기에서 세척수탱크의 원리를 도시한 개략도이다.2 is a block diagram schematically showing a washing apparatus in an air conditioner with a washing apparatus for a heat exchanger according to the present invention, Figure 3 is a washing water tank of the air conditioner with a washing apparatus for a heat exchanger according to the present invention. A schematic diagram illustrating the principle.
본 발명은 도 2에 도시된 바와 같이, 센서(10), 세척수단 및 제어부(70)로 이루어진다.As shown in FIG. 2, the present invention includes a sensor 10, a washing means, and a controller 70.
우선, 센서(10)는 열교환기(2)의 외면에 구비되어 그 주변의 먼지량을 감지하는 것으로, 광센서의 일종인 먼지센서를 사용하며, 센서(10)는 하나 또는 그 이상의 개수를 사용해도 무방하다.First, the sensor 10 is provided on the outer surface of the heat exchanger 2 to sense the amount of dust around the sensor, and uses a dust sensor which is a kind of optical sensor, and the sensor 10 may use one or more numbers. It's okay.
세척수단은 열교환기(2)의 일측에 구비되어 열교환기(2)의 외면에 물을 직접 분사하는 것이다. 세척수단은 저수탱크(20), 물받이(90), 펌프(30,31), 필터(40), 저장부(50) 및 분사기(60) 등으로 이루어진다.Washing means is provided on one side of the heat exchanger (2) to directly spray water on the outer surface of the heat exchanger (2). Washing means consists of the reservoir tank 20, the drip tray 90, the pump (30, 31), the filter 40, the reservoir 50, the injector (60) and the like.
먼저, 저수탱크(20)는 상수도나 지하수 등과 같은 원수를 수용하는 것이며, 실내기의 외부 또는 내부에 구비된다.First, the storage tank 20 accommodates raw water such as tap water or groundwater, and is provided outside or inside the indoor unit.
물받이(90)는 열교환기(2) 하면에 구비되는데 통상 열교환기(2)에 구비된 물받이보다 크기를 크게 구성하여 열교환기(2) 자체에서 발생된 응축수, 열교환기(2)를 세척 또는 헹굼하고 난 후 발생된 폐수를 집수하는 공간을 제공한다.Drip 90 is provided on the lower surface of the heat exchanger (2) is usually larger than the drip tray provided in the heat exchanger (2) to wash or rinse the condensate generated in the heat exchanger (2) itself, the heat exchanger (2) And provide a space for collecting the generated waste water.
그리고 필터(40)는 배관으로 연결된 저수탱크(20) 및 물받이(90)로부터 물을 제공받아 여과하는 것인데, 본 발명에 사용되는 필터(40)는 카본필터, 전처리필터 또는 기타 다른 필터들을 다양하게 채용할 수 있다.And the filter 40 is to receive and filter the water received from the reservoir tank 20 and the drip tray 90 connected by a pipe, the filter 40 used in the present invention is a carbon filter, pre-treatment filter or other filters various It can be adopted.
제 1펌프(30)는 필터(40)로부터 배관을 통해 제공받은 물을 일정 압력으로 가압하는 것이다. 제 2 펌프(31)는 세척수 및 헹굼수를 열교환기(2)까지 도달할 수 있도록 가압하는 것이다.The first pump 30 pressurizes the water provided through the pipe from the filter 40 to a predetermined pressure. The second pump 31 pressurizes the washing water and the rinsing water to reach the heat exchanger 2.
저장부(50)는 필터(40)로부터 여과된 물을 제 1펌프(30)을 통해 제공받고 세척수를 생성하거나 저장하는 것이다.The storage unit 50 receives water filtered from the filter 40 through the first pump 30 and generates or stores the washing water.
상기 저장부(50)는 세척수탱크(51), 헹굼수탱크(52) 및 스위칭밸브(53)로 이루어진다.The storage unit 50 is composed of a washing water tank 51, a rinsing water tank 52 and the switching valve 53.
먼저, 세척수탱크(51)는 필터(40)로부터 여과된 물을 제 1펌프(30)을 통해 공급받아 물을 전기분해하여 세척수를 생성하고 저장하는 것이다.First, the wash water tank 51 receives water filtered from the filter 40 through the first pump 30 to electrolyze the water to generate and store the wash water.
이러한 세척수탱크(51)의 원리는 도 3에 도시된 바와 같이, 하우징(50) 내부에 이온교환막(54)이 설치되며, 이온교환막(54)을 기준하여 양측으로 세척수방 (57)및 전해질방(58)으로 구획된다. 세척수방(57) 및 전해질방(58)에는 직류전압이 인가되는 전극판(55,56)이 각각 구비되는데, 세척수방(57)에는 음전극판(56)이 구비되고 전해질방(58)에는 양전극판(55)이 구비된다.The principle of the wash water tank 51 is, as shown in Figure 3, the ion exchange membrane 54 is installed inside the housing 50, the wash water (57) and the electrolyte chamber on both sides based on the ion exchange membrane (54) It is divided into 58. The washing chamber 57 and the electrolyte chamber 58 are provided with electrode plates 55 and 56 to which a DC voltage is applied, respectively. The washing chamber 57 is provided with a negative electrode plate 56 and the electrolyte chamber 58 has a positive electrode. Plate 55 is provided.
상기 세척수탱크(51)의 동작은 필터(40)로부터 공급되는 여과수에 NaCl,등의 전해질을 용해시키고, 전해질이 용해된 여과수를 전기분해하도록 양극판(55) 및 음극판(56)에 각각 직류전압을 인가한다. 이렇게 직류전압이 인가되면, 전해질방(58)은 내부에 구비된 양전극판(55)에 의해 전해질의 음이온 성분인 CO,및가 생성되어 가스로 방출되고,가 이온교환막(54)을 통해 세척수방(57)으로부터 이동된다.Operation of the wash water tank 51 is NaCl, Electrolytes such as these are dissolved, and direct current voltage is applied to the positive electrode plate 55 and the negative electrode plate 56 to electrolyze the filtrate in which the electrolyte is dissolved. When a DC voltage is applied in this way, the electrolyte chamber 58 is formed by the positive electrode plate 55 provided therein. And Is generated and released into the gas, Is moved from washbasin 57 through ion exchange membrane 54.
한편, 세척수방(57)은 내부에 구비된 음전극판(56)에 의해 전해질의 양이온 성분인가 생성되어 가스로 방출되고,,가 이온교환막(54)을 통해 전해질방(58)으로부터 이동되면서 염기성의 세척수가 생성된다. 세척수방(57)에서 생성된 세척수는 강염기성이므로 세균을 제거하고 오염물질을 분리시키는 탁월한 효과가 있다.On the other hand, the wash water 57 is a cationic component of the electrolyte by the negative electrode plate 56 provided therein Is generated and released into the gas, , The basic washing water is generated while the ions are moved from the electrolyte chamber 58 through the ion exchange membrane 54. Since the wash water generated in the wash basin 57 is strongly basic, there is an excellent effect of removing bacteria and separating contaminants.
저장부(50)의 헹굼수탱크(52)는 필터(40)로부터 여과된 물을 제 1펌프(30)를 통해 공급받아 저장하는 것인데, 세척수탱크(51)와 달리 단순히 필터(40)의 여과수를 수용하여 저장하고 열교환기(2)를 세척하고 난 후, 헹굼수탱크(52)에 저장된 물은 헹굼수로 사용된다.The rinsing water tank 52 of the storage unit 50 receives and stores the water filtered from the filter 40 through the first pump 30. Unlike the washing water tank 51, the filtered water of the filter 40 is simply stored. After receiving and storing the water and washing the heat exchanger (2), the water stored in the rinsing water tank 52 is used as rinsing water.
그리고 스위칭밸브(53)는 세척수탱크(51) 또는 헹굼수탱크(52) 중 어느 하나를 분사기(60)와 소통시키는 것이다. 실시예로 스위칭밸브(53)가 세척수탱크(51)와 분사기(60)를 연결하는 공급배관(80)을 소통시키면, 세척수탱크(51) 내의 물이 분사기(60)로 공급되며, 이와 동시에 헹굼수탱크(52)와 분사기(60)의 통로는 차단된다.In addition, the switching valve 53 communicates any one of the washing water tank 51 and the rinsing water tank 52 with the injector 60. In an embodiment, when the switching valve 53 communicates the supply pipe 80 connecting the washing water tank 51 and the injector 60, water in the washing water tank 51 is supplied to the injector 60, and rinsing at the same time. The passage of the water tank 52 and the injector 60 is blocked.
상기 분사기(60)는 저장부(50)의 세척수탱크(51) 및 헹굼수탱크(52)로부터 물을 제공받아 열교환기(2)의 외부에 제 2펌프(31)의 가압력에 의해 물을 분사하는 것이다.The injector 60 receives water from the washing water tank 51 and the rinsing water tank 52 of the storage unit 50 and injects water by the pressing force of the second pump 31 to the outside of the heat exchanger 2. It is.
제어부(70)는 센서(10)로부터 신호를 제공받고, 미리 설정된 기준먼지량과 센서(10)로 감지된 먼지량을 비교하여 센서(10)로 감지된 먼지량이 미리 설정된 기준먼지량보다 많으면 세척수단이 열교환기(2)를 향해 물을 분사하도록 제어한다. 반면, 제어부(70)는 센서(10)로 감지된 먼지량이 미리 설정된 기준먼지량보다 작으면 세척수단이 동작하지 않는다.The control unit 70 receives a signal from the sensor 10, compares the preset reference dust amount with the amount of dust detected by the sensor 10, and when the amount of dust detected by the sensor 10 is greater than the preset reference dust amount, the washing means exchanges heat. It is controlled to spray water toward the machine (2). On the other hand, the control unit 70 does not operate the cleaning means if the amount of dust detected by the sensor 10 is smaller than the preset reference dust amount.
이러한 제어부(70)는 센서(10), 펌프(30,31), 스위칭밸브(53) 등과 전기적으로 연결된다.The controller 70 is electrically connected to the sensor 10, the pumps 30 and 31, the switching valve 53, and the like.
실시예로, 제어부(70)는 스위칭밸브(53)가 세척수탱크(51)와 분사기(60)를 일정시간 동안 소통시킨 후, 다시 헹굼수탱크(52)와 분사기(60)를 일정시간 동안 소통시키는 등의 동작을 제어한다.In an embodiment, the control unit 70 communicates the rinsing water tank 52 and the injector 60 for a predetermined time after the switching valve 53 communicates the wash water tank 51 and the injector 60 for a predetermined time. To control operations such as
본 발명의 동작은 도 2에 도시된 바와 같이, 우선 제어부(70)가 센서(10)에서 감지된 신호를 제공받고, 제어부(70)는 센서(10)의 신호와 미리 설정된 기준먼지량을 비교하였을 때, 센서(10)로 감지된 먼지량이 미리 설정된 기준먼지량보다 많다고 판단하면 세척수단을 동작시키게 된다.In the operation of the present invention, as shown in FIG. 2, first, the controller 70 receives the signal detected by the sensor 10, and the controller 70 compares the signal of the sensor 10 with a preset reference dust amount. At this time, when it is determined that the amount of dust detected by the sensor 10 is greater than the preset reference dust amount, the washing means is operated.
우선, 제어부(70)의 신호에 의해 펌프(30,31)가 동작되고, 펌프(30,31)의 동작에 의해 저수탱크(20)에 수용된 물이 필터(40)로 인입된다. 이러한 필터(40)는 인입된 물로부터 입자성물질을 여과함과 더불어 기타 불순물을 여과시켜 여과수를 생성한다.First, the pumps 30 and 31 are operated by the signal of the controller 70, and the water contained in the water storage tank 20 is drawn into the filter 40 by the operation of the pumps 30 and 31. The filter 40 filters the particulate matter from the introduced water, and also filters other impurities to generate filtered water.
상기 필터(40)에서 생성된 여과수는 저장부(50)의 세척수탱크(51)와 헹굼수탱크(52)로 각각 인입되는데, 이 때 세척수탱크(51)로 인입된 물은 전기분해를 통해 강염기성의 세척수로 변화한다.The filtered water generated in the filter 40 is introduced into the washing water tank 51 and the rinsing water tank 52 of the storage unit 50, in which the water introduced into the washing water tank 51 is a strong base through electrolysis. Change to wash water.
그 후, 상기 세척수탱크(51)의 세척수는 스위칭밸브(53)에 의해 소통된 공급배관(80)을 따라 분사기(60)를 통해 분사되면서 열교환기(2)의 먼지 및 세균을 세척한다.Thereafter, the washing water of the washing water tank 51 is sprayed through the injector 60 along the supply pipe 80 communicated by the switching valve 53 to wash the dust and bacteria of the heat exchanger (2).
한편, 열교환기(2)의 세척이 끝나고 나면 열교환기(2)에 묻은 잔여먼지를 깨끗하게 처리할 수 있도록 헹굼이 이루어지는데, 이 경우에는 스위칭밸브(53)가 세척수탱크(51)와 분사기(60)의 소통을 차단하고 상기 헹굼수탱크(52)와 분사기(60)를 소통시킨다.On the other hand, after the washing of the heat exchanger (2) is rinsed to clean the remaining dust on the heat exchanger (2), in this case, the switching valve 53 is the wash water tank 51 and the injector (60) ) To block communication and to communicate the rinsing water tank 52 and the injector 60.
이와 같이, 스위칭밸브(53)가 헹굼수탱크(52)와 분사기(60)를 소통시키면 헹굼수탱크(52)의 물이 공급배관(80)을 따라 분사기(60)를 통해서 분사되면서 열교환기(2)를 깨끗하게 헹굼한다.As such, when the switching valve 53 communicates the rinsing water tank 52 and the injector 60, the water of the rinsing water tank 52 is sprayed through the injector 60 along the supply pipe 80, thereby exchanging heat exchanger ( Rinse 2) thoroughly.
열교환기(2)를 헹굼하고 난 후의 폐수, 열교환기(2) 자체의 응축수는 열교환기(2) 하단에 위치한 물받이(90)에 집수되는데, 물받이(90)에 집수된 폐수는 리턴배관(81)을 따라 다시 필터(40)로 이동된다.Waste water after rinsing the heat exchanger (2), the condensate of the heat exchanger (2) itself is collected in the drip tray (90) located at the bottom of the heat exchanger (2), the waste water collected in the drip tray (90) is return pipe (81) Is moved back to the filter 40.
이렇게 필터(40)로 이동한 폐수는 제 1펌프(30)로 유입되고, 펌프(30)에서 다시 승압되는 순환과정을 거친다.The wastewater moved to the filter 40 is introduced into the first pump 30 and undergoes a circulation process of being boosted again by the pump 30.
본 발명은 응축수와 먼지로 오염된 열교환기를 항시 청결하게 유지하는 효과가 있으며, 열교환기가 먼지로 오염되지 않으므로 세균 번식의 위험이 사라져 사용자들이 안심하고 공기조화기를 사용할 수 있는 장점이 있다.The present invention has the effect of always keeping the heat exchanger contaminated with condensate and dust clean, and since the heat exchanger is not contaminated with dust, the risk of bacterial propagation disappears, the user can use the air conditioner with confidence.
또한, 오염된 열교환기를 사용자가 직접 청소하지 않고도 센서로 오염 정도를 파악하여 자동으로 세척하기 때문에 사용자의 불편을 덜어주는 효과가 있다.In addition, the user can clean the polluted heat exchanger by automatically detecting the contamination level with a sensor without directly cleaning the user, thereby reducing the inconvenience of the user.
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