KR100195921B1 - Outdoor machine structure of heat pump airconditioner - Google Patents
Outdoor machine structure of heat pump airconditioner Download PDFInfo
- Publication number
- KR100195921B1 KR100195921B1 KR1019960070440A KR19960070440A KR100195921B1 KR 100195921 B1 KR100195921 B1 KR 100195921B1 KR 1019960070440 A KR1019960070440 A KR 1019960070440A KR 19960070440 A KR19960070440 A KR 19960070440A KR 100195921 B1 KR100195921 B1 KR 100195921B1
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- outdoor
- heat pump
- heat
- air conditioner
- air
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Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
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- 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 히트펌프에어콘에 관한 것으로서, 특히 실외공기를 흡입하여 열교환을 실시하는 히트펌프에어콘의 실외기구조에 관한 것이다.The present invention relates to a heat pump air conditioner, and more particularly, to an outdoor air structure of a heat pump air conditioner that performs heat exchange by sucking outdoor air.
이러한 본 발명은 실외팬 및 모터가 공기유입측에서 보아 실외열교환기의 전면에 위치하고, 상기 모터에는 흡입공기의 온도를 높여주는 전열히터봉이 설치된 것이다.In the present invention, the outdoor fan and the motor are located in front of the outdoor heat exchanger as viewed from the air inlet side, and the motor is provided with a heat transfer rod that raises the temperature of the intake air.
Description
본 발명은 히트펌프에어콘에 관한 것으로서, 특히 실외공기를 흡입하여 열교환을 실시하는 히트펌프에어콘의 실외기구조에 관한 것이다.The present invention relates to a heat pump air conditioner, and more particularly, to an outdoor air structure of a heat pump air conditioner that performs heat exchange by sucking outdoor air.
종래의 히트펌프에어콘은 도 1 에 도시된 바와 같이, 실내기와 실외기로 구분되며, 상기 실내기는 냉매가스를 압축하는 압축기(1)와, 상기 압축기(1)로부터 압축된 고온고압의 냉매가스를 실내공기와 열교환시켜 액냉매 상태로 응축하는 응축기(이하 실내열교환기, 2)와, 상기 실내열교환기(2)내로 실내공기를 흡입하는 실내팬(3)과, 상기 실내열교환기(2)로부터 응축된 액냉매를 2상상태(액상+기상)의 냉매로 팽창시키는 팽창밸브(4)로 구성하였다.A conventional heat pump air conditioner is divided into an indoor unit and an outdoor unit, as shown in FIG. 1, wherein the indoor unit includes a compressor 1 for compressing a refrigerant gas and a refrigerant gas of high temperature and high pressure compressed from the compressor 1. A condenser (hereinafter referred to as an indoor heat exchanger) 2 for condensing in a liquid refrigerant state by heat exchange with air, an indoor fan 3 for sucking indoor air into the indoor heat exchanger 2, and condensation from the indoor heat exchanger 2. The expanded liquid refrigerant was composed of an expansion valve 4 for expanding the refrigerant into a two-phase state (liquid + gas phase).
상기 실외기는 팽창밸브(4)를 통과하면서 압력과 온도가 떨어져 2상상태로 변한 냉매를 실외공기와 열교환시켜 기상상태의 냉매가스로 증발시키는 증발기(이하 실외열교환기, 5)와, 상기 실외열교환기(5)내로 실외공기를 흡입하는 실외팬(6)으로 구성하였다.The outdoor unit passes through the expansion valve (4) and the evaporator (hereinafter referred to as an outdoor heat exchanger, 5) for exchanging the refrigerant, which has changed to a two-phase state due to a drop in pressure and temperature to the outdoor air, to evaporate the refrigerant gas in a gaseous state, and the outdoor heat exchange. The outdoor fan 6 was configured to suck outdoor air into the air 5.
그리고, 상기 압축기(1)와 실내/외열교환기(2, 5)의 사이에 형성되어 냉/난방을 절환하는 사방변(7)을 구비하였다.In addition, a four-sided valve 7 is provided between the compressor 1 and the indoor / external heat exchangers 2 and 5 to switch cooling / heating.
이와 같이 구성된 종래의 히트펌프에어콘의 난방모드시 압축기(1)에서는 냉매가스가 압축되고, 상기 압축기(1)로부터 압축된 고온고압의 냉매가스는 실내열교환기(2)로 유입된다.In the heating mode of the conventional heat pump air conditioner configured as described above, the refrigerant gas is compressed in the compressor 1, and the refrigerant gas of the high temperature and high pressure compressed from the compressor 1 flows into the indoor heat exchanger 2.
상기 실내열교환기(2)로 유입된 고온고압의 냉매가스는 실내팬(3)을 통해 흡입된 실내공기와 열교환하게 되어 액냉매 상태로 응축되고, 열교환을 통해 온도가 상승한 공기는 다시 실내로 토출되어 난방을 실시하게 된다.The refrigerant gas of the high temperature and high pressure introduced into the indoor heat exchanger (2) exchanges heat with the indoor air sucked through the indoor fan (3) to condense into a liquid refrigerant state, and the air whose temperature rises through the heat exchange is discharged back into the room. The heating is performed.
그리고, 상기 실내열교환기(2)로부터 응축된 액냉매는 팽창밸브(4)를 거치면서 2상상태의 냉매로 팽창되고, 상기 팽창밸브(4)로부터 팽창된 2상상태의 냉매는 실외열교환기(5)로 유입된다.Then, the liquid refrigerant condensed from the indoor heat exchanger (2) is expanded into a refrigerant in a two-phase state while passing through the expansion valve (4), the refrigerant in the two-phase state expanded from the expansion valve (4) is an outdoor heat exchanger Flows into (5).
상기 실외열교환기(5)로 유입된 2상상태의 액냉매는 실외팬(6)을 통해 흡입된 실외공기와 열교환하여 기상상태의 냉매가스로 증발되고, 다시 압축기(1)로 유입되어 사이클이 반복되며, 열교환을 통해 온도가 저하된 공기는 실외로 토출된다.The liquid refrigerant in the two-phase state introduced into the outdoor heat exchanger (5) exchanges heat with the outdoor air sucked through the outdoor fan (6), evaporates into the refrigerant gas in the gaseous state, and flows back into the compressor (1) to cycle. Repeatedly, air whose temperature has been reduced through heat exchange is discharged to the outside.
이때, 상기 실외팬(6)을 통해 실외기내로 흡입된 실외공기의 흐름을 도 2 에 나타내었다.At this time, the flow of outdoor air sucked into the outdoor unit through the outdoor fan 6 is shown in FIG.
그러나 이러한 종래의 히트펌프에어콘은 난방시 실외열교환기내로 유입되는 실외공기의 온도가 내려가면 이에 비례하여 난방능력도 떨어져 온-오프식 히트펌프의 경우 0oC이하에서는 사용할 수 없게 되고, 인버터식 히트펌프의 경우에도 실외온도가 -2oC ∼ 2oC가 되면 실외열교환기의 표면에 착상이 발생하여 도 3 과 같이 일정시간이 지나면 난방능력이 급격히 감소하며, 착상이 발생하면 제상을 위해 운전모드를 전환해야하므로 시스템효율이 저하되고, 차가운 공기가 실내로 토출되므로 사용자에게 불쾌감을 주는 문제점이 있었다.However, such a conventional heat pump air conditioner cannot be used below 0 o C in the case of an on-off heat pump in which the heating capacity decreases in proportion to the decrease in the temperature of outdoor air flowing into the outdoor heat exchanger during heating. Even in the case of a heat pump, when the outdoor temperature is -2 o C to 2 o C, frosting occurs on the surface of the outdoor heat exchanger, and as a result, as shown in FIG. 3, the heating capacity rapidly decreases. Since the operation mode must be switched, the system efficiency is lowered, and the cold air is discharged into the room, thereby causing a discomfort to the user.
본 발명은 이러한 점을 감안하여 실외팬 및 모터를 실외열교환기의 전면에 위치시키고, 상기 실외팬을 구동하는 모터에 다수개의 전열히터봉을 설치함으로써 흡입공기의 온도를 전열히터봉에 의해 상승시킨 후 실외열교환기로 유입시켜 히트펌프에어콘의 난방효율을 향상시키는 데 그 목적이 있다.In view of this point, the present invention places the outdoor fan and the motor in front of the outdoor heat exchanger, and installs a plurality of heat transfer heater rods on the motor for driving the outdoor fan to increase the temperature of the suction air by the heat transfer heater rod. Afterwards, it is introduced into an outdoor heat exchanger to improve heating efficiency of the heat pump air conditioner.
도 1 은 일반적인 히트펌프에어콘의 구성도.1 is a configuration diagram of a typical heat pump air conditioner.
도 2 는 종래 히트펌프에어콘의 시간에 따른 난방능력 변화도.Figure 2 is a change in heating capacity with time of the conventional heat pump air conditioner.
도 3 은 종래 히트펌프에어콘의 실외기 구성도.3 is a block diagram of an outdoor unit of a conventional heat pump air conditioner.
도 4 는 본 발명 히트펌프에어콘의 실외기 구성도.Figure 4 is a block diagram of the outdoor unit of the heat pump air conditioner of the present invention.
도 5 는 본 발명 히트펌프에어콘의 도 4 의 A부 상세도.FIG. 5 is a detailed view of portion A of FIG. 4 of a heat pump air conditioner of the present invention; FIG.
도 6 은 일반적인 히트펌프에어콘의 실외공기 온도에 따른 난방능력 변화도.Figure 6 is a change in heating capacity according to the outdoor air temperature of a typical heat pump air conditioner.
* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
101 : 실외팬 102 : 모터101: outdoor fan 102: motor
103 : 실외열교환기 104 : 전열히터봉103: outdoor heat exchanger 104: electric heater rod
이하, 본 발명을 도 4 내지 도 6 에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to FIGS. 4 to 6.
도 4 는 본 발명에 의한 히트펌프에어콘의 실외기 구성도를 나타낸 것으로서, 열교환을 위해 실외공기를 흡입하는 실외팬(101)과, 상기 실외팬(101)을 구동하는 모터(102)와, 상기 실외팬(101)을 통해 흡입된 실외공기를 냉매와 열교환시키는 실외열교환기(103)로 구성된다.4 is a block diagram of the outdoor unit of the heat pump air conditioner according to the present invention, which includes an outdoor fan 101 for sucking outdoor air for heat exchange, a motor 102 for driving the outdoor fan 101, and the outdoor unit. An outdoor heat exchanger (103) for exchanging outdoor air sucked through the fan (101) with a refrigerant.
그리고 상기 실외팬(101) 및 모터(102)는 유입공기측에서 보아 실외열교환기(103)의 전면에 위치하고, 상기 실외팬(101)을 구동하는 모터(102)에는 도 5 와 같이 흡입공기의 온도를 상승시키는 다수개의 전열히터봉(104)이 설치된다.In addition, the outdoor fan 101 and the motor 102 are located in front of the outdoor heat exchanger 103 when viewed from the inlet air side, and the motor 102 driving the outdoor fan 101 includes the suction air as shown in FIG. 5. A plurality of electrothermal heater rods 104 for raising the temperature are installed.
이와같이 구성된 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above is as follows.
먼저, 히트펌프에어콘의 난방시 전원이 인가되면 실외기에서는 모터(102)가 회전하게 되고, 상기 모터(102)의 회전에 따라 실외팬(101)도 따라 회전하여 실외기내로 실외공기를 흡입하게 된다.First, when power is applied during heating of the heat pump air conditioner, the motor 102 rotates in the outdoor unit, and the outdoor fan 101 also rotates according to the rotation of the motor 102 to suck the outdoor air into the outdoor unit.
이때, 상기 실외팬(101) 및 모터(102)가 실외열교환기(103)의 전면에 위치하므로 흡입공기는 실외팬(101)을 구동하는 모터(102)를 통과하면서 모터(102)에 설치된 다수개의 전열히터봉(4)에 의해 온도가 상승되고, 상기 모터(102)에 설치된 전열히터봉(104)에 의해 온도가 상승된 흡입공기는 실외열교환기(103)로 유입되어 실외열교환기(103)내를 흐르는 냉매와의 열교환을 실시한 후 다시 실외로 토출된다.At this time, since the outdoor fan 101 and the motor 102 are located in front of the outdoor heat exchanger 103, the suction air passes through the motor 102 that drives the outdoor fan 101 and is installed in the motor 102. The temperature is raised by the four heat transfer rods 4 and the intake air whose temperature is raised by the heat transfer rods 104 installed in the motor 102 flows into the outdoor heat exchanger 103 and the outdoor heat exchanger 103. After the heat exchange with the refrigerant flowing in the inside, the liquid is discharged again to the outside.
여기서, 상기 실외열교환기(103)로 흡입되어 냉매와 열교환을 실시하는 흡입공기의 온도는 도 6 과 같이 히트펌프에어콘의 난방능력과 비례하는데, 모터(102)에 설치된 전열히터봉(104)에 의해 흡입공기의 온도가 상승되어 실외열교환기(103)내로 유입되므로 히트펌프에어콘의 난방효율이 크게 향상되는 것이다.Here, the temperature of the suction air sucked into the outdoor heat exchanger 103 to exchange heat with the refrigerant is proportional to the heating capacity of the heat pump air conditioner as shown in FIG. 6, in the electrothermal heater rod 104 installed in the motor 102. As a result, the temperature of the intake air is increased to flow into the outdoor heat exchanger 103, thereby greatly improving the heating efficiency of the heat pump air conditioner.
그리고, 상기 전열히터봉(104)에 인가되는 파워를 조절함으로써 전열히터봉(104)의 용량을 변화시켜 착상방지용으로도 사용할 수 있다.In addition, by adjusting the power applied to the heat transfer rods 104, it is possible to change the capacity of the heat transfer rods 104 to be used for preventing implantation.
이상에서 설명한 바와 같이 본 발명은 히트펌프에어콘의 난방시 열교환을 위해 실외기내로 흡입된 실외공기의 온도가 모터에 설치된 전열히터봉에 의해 상승된 후 실외열교환기내로 유입되므로 히트펌프에어콘의 난방효율이 향상되는 효과가 있다.As described above, in the present invention, the heating efficiency of the heat pump air conditioner is increased because the temperature of the outdoor air sucked into the outdoor unit for heat exchange during heating of the heat pump air conditioner is increased by the heat transfer rod installed in the motor and then flows into the outdoor heat exchanger. There is an effect to be improved.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960070440A KR100195921B1 (en) | 1996-12-23 | 1996-12-23 | Outdoor machine structure of heat pump airconditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960070440A KR100195921B1 (en) | 1996-12-23 | 1996-12-23 | Outdoor machine structure of heat pump airconditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980051534A KR19980051534A (en) | 1998-09-15 |
| KR100195921B1 true KR100195921B1 (en) | 1999-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960070440A KR100195921B1 (en) | 1996-12-23 | 1996-12-23 | Outdoor machine structure of heat pump airconditioner |
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| Country | Link |
|---|---|
| KR (1) | KR100195921B1 (en) |
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1996
- 1996-12-23 KR KR1019960070440A patent/KR100195921B1/en not_active IP Right Cessation
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| KR19980051534A (en) | 1998-09-15 |
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