KR20040011115A

KR20040011115A - Heat pump

Info

Publication number: KR20040011115A
Application number: KR1020020044521A
Authority: KR
Inventors: 고제국
Original assignee: 고제국; 주식회사 그린웨이
Priority date: 2002-07-29
Filing date: 2002-07-29
Publication date: 2004-02-05

Abstract

PURPOSE: A heat pump is provided to allow a compressor to normally work even at low temperature. CONSTITUTION: A heat pump includes a compressor converting low temperature and low pressure gaseous refrigerant into high temperature and high pressure to discharge; a three-way valve connected with a high pressure output end of the compressor through a first connecting tube(1), and supplied with power only at heating operation; a primary heat exchanger supplied with high temperature and high pressure refrigerant through a first input end thereof connected with a second connecting tube(2) connected with a first tube of the three-way valve at heating operation for heat exchange, and outputting to a first output end thereof; a secondary heat exchanger connected with the first output end of the primary heat exchanger; a third connecting tube(3) connecting the output end of the primary heat exchanger with a first input end of the secondary heat exchanger; a tertiary heat exchanger connected with a first output end of the secondary heat exchanger through a fourth connecting tube(4); a first non-return valve(A1) formed on the fourth connecting tube; a quaternary heat exchanger connected with an output end of the tertiary heat exchanger through a fifth connecting tube(5); a dehumidifier formed on the fifth connecting tube to remove moisture in condensed gas generated in the output end of the tertiary heat exchanger; a level gauge formed on the fifth connecting tube next to the dehumidifier; and a first branched part formed on the fifth connecting tube.

Description

Heat Pump {Heat Pump}

본 발명은 압축기에 의한 압축시 발생되는 열을 이용하여 난방 및 냉방을 할 수 있는 히트 펌프에 관한 발명이다.The present invention relates to a heat pump capable of heating and cooling by using heat generated during compression by a compressor.

도 1 에 종래기술에 의한 히트 펌프의 구성을 나타내었다.1 shows a configuration of a heat pump according to the prior art.

우선, 냉방모드에 대해 설명하면 다음과 같다.First, the cooling mode will be described.

콘트롤러의 제어신호를 받아 압축기가 작동하여 저온 저압의 기체냉매를 고온 고압의 기체냉매로 압축하고, 사방변의 관로방향은 도 1 의 실선과 같으며, 바이패스관에 설치된 전자변은 콘트롤러의 제어신호를 받아 닫힘과 함께 제3 연결관에 설치된 팽창변은 콘트롤러의 제어신호를 받아 열리므로 상기 압축기에 의해 압축된 냉매가 제1 연결관을 통해 사방변으로 들어간 다음 계속해서 제4 연결관을 통해 실외 열교환기로 들어가 고온 고압의 액체 냉매로 응축되면서 외부로 열을 발산하게 된다.The compressor operates by receiving the control signal from the controller and compresses the gas refrigerant of low temperature and low pressure into gas refrigerant of high temperature and high pressure, and the pipe direction of the four sides is the same as the solid line of FIG. 1, and the electronic valve installed in the bypass pipe receives the control signal of the controller. The expansion valve installed in the third connection pipe is opened by receiving the control signal of the controller because it is closed and the refrigerant compressed by the compressor enters the four sides through the first connection pipe and then continues to the outdoor heat exchanger through the fourth connection pipe. As it condenses into a liquid refrigerant of high temperature and high pressure, it radiates heat to the outside.

상기 실외 열교환기에 의해 응축된 고온 고압의 액체 냉매는 제3 연결관에 설치된 팽창변을 통과하면서 온도와 압력이 급격히 떨어진 저온 저압의 2상냉매(액체와 기체의 혼합 냉매)로 바뀐 다음 게속해서 실내 열교환기로 들어가 기체상태로 증발되면서 외부의 열을 흡수하게 되고, 상기 실내 열교환기를 통과한 저온 저압의 기체 냉매는 제2 연결관을 통해 사방변으로 들어간 다음 계속해서 제5 연결관을 통해 다시 압축기로 들어가 고온 고압의 기체냉매로 압축되는 냉방 싸이클을 이루는데, 상기 저온 저압의 기체냉매가 제5 연결관을 통해 압축기로 들어가는 과정에서 기액분리기를 통과하게 되므로 기체냉매에 포함된 소량의 액냉매가 상기 기액분리기에 의해 분리된다.The high-temperature, high-pressure liquid refrigerant condensed by the outdoor heat exchanger is converted into a low-temperature, low-pressure two-phase refrigerant (mixed refrigerant of liquid and gas) which is rapidly dropped in temperature and pressure while passing through an expansion valve installed in the third connection pipe, and then continues to heat the indoor heat. When the gas is evaporated into a gaseous state to absorb external heat, the low-temperature, low-pressure gas refrigerant passing through the indoor heat exchanger enters the four sides through the second connector, and then enters the compressor again through the fifth connector. The cooling cycle is compressed into a gas refrigerant of high temperature and high pressure, the gas refrigerant of the low temperature and low pressure is passed through the gas-liquid separator in the process of entering the compressor through the fifth connecting pipe, so that a small amount of liquid refrigerant contained in the gas refrigerant is the gas-liquid Separated by a separator.

한편 상기한 냉방 싸이클 동작시 실내 열교환기의 근접부에 설치된 실내팬 및 실외 열교환기의 근접부에 설치된 실외팬이 각각 콘트롤러의 제어신호를 받아 회전하면서 바람을 발생시키는데, 이때 상기 실외팬에 의해 발생된 바람은 실외 열교환기를 지나면서 더운 공기로 바뀌어진 다음 계속해서 외부로 배출되고, 상기 실내팬에 의해 발생된 바람은 실내 열교환기를 지나면서 열교환되어 찬공기로 바뀌어진 다음 계속해서 실내로 배출되므로 상기 실내가 찬공기에 의해 냉방이 되는 것이다.On the other hand, during the cooling cycle operation, the indoor fan installed in the vicinity of the indoor heat exchanger and the outdoor fan installed in the vicinity of the outdoor heat exchanger respectively generate the wind while rotating under the control signal of the controller, which is generated by the outdoor fan. The wind is converted into hot air while passing through the outdoor heat exchanger and then discharged to the outside, and the wind generated by the indoor fan is heat exchanged through the indoor heat exchanger to be converted into cold air and then discharged into the indoor air. The room is cooled by cold air.

다음으로, 난방 가동에 대해 설명하면 다음과 같다.Next, the heating operation will be described.

압축기가 콘트롤러의 제어신호를 받아 작동하여 저온 저압의 기체냉매를 고온 고압의 기체냉매로 압축하고, 사방변의 관로방향은 도면과 같이 일점쇄선과 같이 바뀌게 되며, 바이패스관에 설치된 전자변은 콘트롤러의 제어신호를 받아 열림과 함께 제3 연결관에 설치된 팽창변은 콘트롤러의 제어신호를 받아 열리므로 상기 압축기에 의해 압축된 고온 고압의 기체냉매중 대부분의 냉매는 제1 연결관 - 전자변이 설치된 바이패스관-기액분리기가 설치된 제5 연결관을 연속적으로 통해 바이패스되어 다시 압축기로 들어가는 순환작용을 행함과 함께, 상기 압축기에 의해 압축된 고온 고압의 기체냉매중 일부의 냉매는 역지변이 설치된 제1 연결관을 통해 사방변으로 들어간 다음 계속해서 제2 연결관을 통해 실내 열교환기-팽창변이 설치된 제3 연결관을 통해 실외 열교환기-제4 연결관을 통해 사방변-기액분리기가 설치된 제5 연결관을 통해 압축기로 들어가는 순환작용을 행한다.The compressor operates by receiving the controller's control signal and compresses the low temperature low pressure gas refrigerant into the high temperature and high pressure gas refrigerant, and the direction of the pipe in all directions changes like a dashed line as shown in the drawing, and the electronic valve installed in the bypass pipe is controlled by the controller. Since the expansion valve installed in the third connection pipe is opened by receiving a signal, most of the refrigerant in the high temperature and high pressure gas refrigerant compressed by the compressor is opened by the first connection pipe-the bypass pipe with the electronic valve. The refrigerant of some of the high-temperature and high-pressure gas refrigerant compressed by the compressor is bypassed through the fifth connecting pipe provided with the gas-liquid separator continuously and returned to the compressor. Into the room, and then continue through the second connector to connect the third To the outdoor heat exchanger-side four-way through the fourth connection pipe-rotation action is performed into the compressor via a fifth connecting pipe has a gas-liquid separator is installed.

상기한 작용이 일정시간도안 행해지면 바이패스관에 설치된 전자변이 콘트롤러의 제어신호를 받아 닫히므로 이때부터는 상기 압축기에 의해 압축된 고온 고압의 기체냉매가 역지변이 설치된 제1 연결관을 통해 사방변으로 들거간 다음 계속해서 제2 연결관을 통해 실내 열교환기로 들어가 고온 고압의 액체냉매로 응축되면서 외부로 열을 발산하게 된다.If the above operation is performed for a certain time, the control valve closes in response to the control signal of the electronic shift controller installed in the bypass pipe. From this time, the high-temperature and high-pressure gas refrigerant compressed by the compressor is changed in all directions through the first connection pipe having the reverse displacement. And then continue to enter the indoor heat exchanger through the second connection tube to condense into a liquid refrigerant of high temperature and high pressure to dissipate heat to the outside.

상기 실내 열교환기에 의해 응축된 고온 고압의 액체냉매는 제3 연결관에 설치된 팽창변을 통과하면서 온도와 압력이 급격히 떨어진 저온 저압의 2상냉매로 바뀐 다음 계속해서 실외 열교환기로 들어가 기체상태로 증발되면서 외부의 열을 흡수하게 되고, 상기 실외 열교환기를 통과한 저온 저압의 기체냉매는 계속해서 제4연결관을 통해 사방변으로 들어간 다음 제5 연결관을 통해 다시 압축기로 들어가 고온 고압의 기체냉매로 압축되는 난방 싸이클을 이루는데, 상기 저온 저압의 기체냉매가 제5 연결관을 통해 압축기로 들어가는 과정에서 기액분리기를 통과하게 되므로 기체냉매에 포함된 소량의 액냉매가 상기 기액분리기에 의해 분리된다.The high-temperature, high-pressure liquid refrigerant condensed by the indoor heat exchanger is converted into a low-temperature, low-pressure two-phase refrigerant that is rapidly dropped in temperature and pressure while passing through an expansion valve installed in the third connection pipe, and then continuously enters an outdoor heat exchanger and evaporates to a gaseous state. The low temperature and low pressure gas refrigerant passing through the outdoor heat exchanger continuously enters the four sides through the fourth connection pipe and then enters the compressor again through the fifth connection pipe to be compressed into the high temperature and high pressure gas refrigerant. The low temperature and low pressure gas refrigerant passes through the gas-liquid separator in the process of entering the compressor through the fifth connecting pipe, so that a small amount of the liquid refrigerant contained in the gas-cooled refrigerant is separated by the gas-liquid separator.

한편 상기 난방 싸이클 동작시 실내 열교환기의 근접부에 설치된 실내팬 및 실외 열교환기의 근접부에 설치된 실외팬이 각각 콘트롤러의 제어신호를 받아 회전하면서 바람을 발생시키는데, 이때 상기 실외팬에 의해 발생된 바람은 실외 열교환기를 지나면서 찬공기로 바뀌어진 다음 계속해서 외부로 배출되고, 상기 실내팬에 의해 발생된 바람은 실내 열교환기를 지나면서 열교환되어 더운 공기로 바뀌어진 다음 계속해서 실내로 배출되므로 상기 실내가 더운공기에 의해 난방이 된다.Meanwhile, during the heating cycle, the indoor fan installed in the vicinity of the indoor heat exchanger and the outdoor fan installed in the vicinity of the outdoor heat exchanger each rotate under the control signal of the controller to generate wind. The wind is converted to cold air while passing through the outdoor heat exchanger and then discharged to the outside, and the wind generated by the indoor fan is heat exchanged through the indoor heat exchanger to be converted into hot air and then discharged to the indoor space. Is heated by hot air.

그러나 상기와 같은 종래의 히트 펌프는 동절기 즉, 외부의 온도가 약 -5℃ 이하일때 열매체 증발이 극도로 저하되어 원활한 기능 수행이 어려웠다.However, in the conventional heat pump as described above, when the external temperature is about -5 ° C. or less, the heat medium evaporates extremely, and thus it is difficult to perform a smooth function.

따라서 본 발명은 낮은 외부 온도하에서도 압축기가 정상적으로 작동을 할 수 있는 히트 펌프를 제시하는 것을 목적으로 하였다.Accordingly, an object of the present invention is to propose a heat pump capable of operating a compressor normally even under a low external temperature.

또한 종래의 히트 펌프에 비해 시공이 간편하고 경제성이 탁월한 히트 펌프를 제시하는 것을 또 다른 목적으로 하였다.In addition, it was another object of the present invention to provide a heat pump having a simple construction and excellent economical efficiency compared with a conventional heat pump.

도 1 은 종래기술에 의한 히트 펌프의 구성도이다.1 is a block diagram of a heat pump according to the prior art.

도 2 는 본 발명에 의한 히트 펌프의 구성도이다.2 is a configuration diagram of a heat pump according to the present invention.

상기 목적을 달성하기 위해 본 발명에서는 1차 열교환기에서 버려지는 열을 2차 열교환기를 통해 압축기의 흡입기측에 전달함으로써 저온의 외부에 설치되어 있는 증발기에서 증발이 이루어지지 않고 액상 상태로 흡입되는 열매체에 적절한 온도와 압력이 가해지도록 전자밸브(C4, C5)를 흡입측 온도에 따라 조절하는 방식을 채택하였다.In order to achieve the above object, the present invention transfers the heat discarded from the primary heat exchanger to the suction side of the compressor through the secondary heat exchanger, so that the heating medium is sucked in the liquid state without being evaporated in the evaporator installed outside the low temperature. The solenoid valves (C4, C5) were adjusted according to the suction side temperature so that the proper temperature and pressure were applied.

본 발명에 의한 히트 펌프 구성을 도 2 를 참조하여 설명하면 다음과 같다.Referring to Figure 2, the heat pump configuration according to the present invention will be described.

참고로, 도 2 에 있어서 연결관은 도면번호 (1), (2),... 로 표시되었고, 역지변은 A1, A2,... 로 표시되었고, 전자변은 C1, C2,... 로 표시되었다.For reference, in Fig. 2, the connectors are denoted by reference numerals (1), (2), ..., the reverse side is indicated by A1, A2, ..., the electron side is C1, C2, ... Was indicated.

본 발명에 의한 히트 펌프는Heat pump according to the present invention

저온 저압의 기체 냉매를 고온 고압으로 변환하여 배출하는 압축기와,A compressor for converting the low temperature low pressure gas refrigerant into high temperature and high pressure and discharging the gas refrigerant;

제1 연결관을 통해 상기 압축기의 고압 출력단과 연결되며, 난방 가동시에만 전원이 공급되는 삼방변과,A three-way valve connected to the high pressure output terminal of the compressor through a first connecting pipe, the power being supplied only during heating operation;

난방 선택시 상기 삼방변내 제1 관로에 연결된 제2 연결관을 통해 제1 입력단으로 고온고압의 냉매를 받아들인 후 열교환 시킨 후 제1 출력단으로 출력하는 1차 열교환기와,A first heat exchanger that receives a refrigerant having a high temperature and high pressure as a first input terminal through a second connecting pipe connected to the first pipe in the three-sided side and heat-exchanges it, and then outputs it to the first output terminal;

상기 1차 열교환기의 제1 출력단과 연결된 2차 열교환기와,A secondary heat exchanger connected to a first output end of the primary heat exchanger,

상기 1차 열교환기의 출력단과 상기 2차 열교환기의 제1 입력단을 연결해주는 제3 연결관과,A third connecting pipe connecting the output terminal of the primary heat exchanger and the first input terminal of the secondary heat exchanger;

제4 연결관을 통해 상기 2차 열교환기의 제1 출력단과 연결된 3차 열교환기와,A third heat exchanger connected to a first output end of the second heat exchanger through a fourth connector;

상기 제4 연결관상에 형성된 제1 역지변과,A first reverse side formed on the fourth connecting pipe,

제5 연결관을 통해 상기 3차 열교환기의 출력단과 연결된 4차 열교환기와,A fourth heat exchanger connected to an output end of the third heat exchanger through a fifth connector;

상기 제5 연결관상에 형성되며 상기 3차 열교환기의 출력단으로부터 발생되는 응축 가스내의 습기를 제거하기 위한 제습기와,A dehumidifier formed on the fifth connection pipe and configured to remove moisture in the condensation gas generated from an output end of the third heat exchanger;

상기 제5 연결관상에 형성되며 상기 제습기 다음 단에 형성되는 액면계와,A liquid level meter formed on the fifth connection pipe and formed at a stage next to the dehumidifier;

상기 제5 연결관상에 형성되며 상기 액면계 다음 단에서 두개의 팽창 선로로 분리해주는 제1 분기부와,A first branch formed on the fifth connecting pipe and separated into two expansion lines at the next stage of the liquid level gauge;

상기 제5 연결관상에 형성되며 상기 제1 분기부에 의해 분리된 두개의 팽창 선로를 다시 하나로 통합해주는 제1 합기부와,A first aeration unit formed on the fifth connection pipe and integrating two expansion lines separated by the first branch into one again;

상기 제1 분기부와 제1 합기부 사이의 하나의 팽창 선로상에 형성되는 제1 전자변과,A first electron valve formed on one expansion line between the first branch portion and the first aeration portion;

상기 제5 연결관상에 형성되며 상기 제1 합기부 다음 단에 형성되는 제2 역지변과,A second reverse ground formed on the fifth connecting pipe and formed at a stage after the first aeration portion;

상기 제1 합기부를 상기 삼방변의 제1 관로에 연결해주는 제6 연결관과,A sixth connecting pipe connecting the first aspirator to the first pipe of the three sides;

상기 제6 연결관상에 형성되는 제3 역지변과,A third reverse side formed on the sixth connecting pipe,

상기 4차 열교환기의 출력단으로부터 상기 3차 열교환기의 입력단으로 연결해주는 제7 연결관과,A seventh connecting pipe connecting an output end of the fourth heat exchanger to an input end of the third heat exchanger;

상기 제7 연결관상에 형성된 제4 역지변과,A fourth reverse side formed on the seventh connecting pipe,

상기 제7 연결관상의 4차 열교환기와 제4역지변 사이에서 분기되어 상기 2차 열교환기의 제2 입력단에 연결되는 제8 연결관과,An eighth connecting pipe branched between the fourth heat exchanger on the seventh connecting pipe and the fourth reverse side and connected to the second input terminal of the secondary heat exchanger;

상기 제8 연결관상에 형성되며 난방 가동중에는 항상 열린 상태를 유지하는 제2 전자변과,A second electronic valve formed on the eighth connection pipe and always kept open during heating operation;

상기 2차 열교환기의 제2 입력단에 연결되어 입력된 냉매를 출력받기 위한 제9 연결관과,A ninth connecting pipe connected to a second input terminal of the secondary heat exchanger to receive the input refrigerant;

상기 2차 열교환기의 제2 입력단으로 통해 입력된 냉매를 2차 열교환기를 거쳐 제2 출력단을 통해 출력받기 위한 제10 연결관과,A tenth connecting pipe configured to receive the refrigerant input through the second input terminal of the secondary heat exchanger through the second output terminal through the secondary heat exchanger;

제9 및 제10 연결관을 하나로 합쳐주는 제2 합기부와,A second aspirator uniting the ninth and tenth connectors together;

제2 합기부를 상기 압축기의 저압 입력단에 연결해주는 제11 연결관과,An eleventh connector connecting the second aeration unit to the low pressure input of the compressor;

제11 연결관상에 형성된 액분리기와,A liquid separator formed on the eleventh connecting pipe,

제11 연결관상의 상기 액분리기 다음 단에 형성된 필터와,A filter formed at the stage after the liquid separator on the eleventh connecting pipe;

상기 제3 연결관과 제11 연결관의 액분리기와 제2 합기부 사이를 연결해주는 제12 연결관과,A twelfth connector connecting the liquid separator and the second aspirator of the third connector and the eleventh connector;

제12 연결관상에 형성되며 냉방 가동시에는 항상 열린 상태를 유지하는 제3 전자변과,A third electronic valve formed on the twelfth connecting pipe and always being open when the cooling operation is performed;

외부 온도를 센싱하는 온도 센싱부와,A temperature sensing unit for sensing an external temperature;

상기 제9 연결관상에 형성되며 외부 온도가 특정 온도 이상이면 열리는 제4 전자변과,A fourth electron valve formed on the ninth connection tube and opened when the external temperature is higher than a specific temperature;

상기 제10 연결관상에 형성되며 외부 온도가 상기 특정 온도 미만이면 열리는 제5 전자변과,A fifth electron valve formed on the tenth connecting tube and opened when the external temperature is less than the specific temperature;

상기 온도 센싱부에 의해 센싱된 외부 온도에 따라 상기 제4 및 제5 전자변을 제어하는 제어부와,A controller for controlling the fourth and fifth electronic valves according to the external temperature sensed by the temperature sensing unit;

냉방 가동시 상기 삼방변의 제2 관로를 통해 출력되는 압축기로부터 발생된 고압 냉매를 상기 제5 연결관의 제2 역지변과 4차 열교환기의 입력단 사이로 연결하는 제13 연결관을 포함하여 구성되는 것을 특징으로 한다.And a thirteenth connecting pipe connecting the high pressure refrigerant generated from the compressor output through the second pipe of the three sides to the second reverse side of the fifth connecting pipe and the input terminal of the fourth heat exchanger during cooling operation. It features.

한편, 상기 히트 펌프는On the other hand, the heat pump is

펌프를 통해 축열조로부터 물을 1차 열교환기의 제2 입력단으로 공급하는 제14 연결관과,A fourteenth connecting pipe for supplying water from the heat storage tank to the second input end of the primary heat exchanger through a pump,

제2 입력단으로 공급된 물을 1차 열교환기로부터 배출하는 1차 열교환기내 제2 출력단과,A second output stage in the primary heat exchanger for discharging water supplied to the second input stage from the primary heat exchanger,

상기 제14 연결관상의 상기 펌프 앞단에 형성되며, 전달 압력이 소정 압력 이상이면 열리되 압력이 높아질수록 밸브 구경이 커지도록 구성된 절수변과,A water-saving side which is formed at the front end of the pump on the fourteenth connecting pipe and is configured to be opened when the transfer pressure is equal to or greater than a predetermined pressure, and the valve diameter increases as the pressure increases;

상기 펌프와 절수변 사이에서 분기되어 절수변 다음 단으로 분기되는 제15 연결관과,A fifteenth connecting pipe branched between the pump and the water-saving side and branched to the next stage of the water-saving side;

상기 제15 연결관상에 형성되는 제6 전자변과,A sixth electron valve formed on the fifteenth connection pipe;

상기 절수변을 상기 3차 열교환기의 출력단과 제습기 사이로 연결해주는 절수변 압력 튜브를 추가로 포함하는 것이 가능하다.It is possible to further include a water valve pressure tube for connecting the water valve between the output terminal and the dehumidifier of the third heat exchanger.

즉, 예를 들어 절수변으로부터 절수변 압력 튜브로 전달되는 압력이 150 Psi이상이되면 절수변이 열리도록 조절하여 외부 온도가 낮아져 저압 압력이 낮아지면 고압측 압력도 저하되어 콤프레셔 성능이 저하되므로 이때에 절수변을 통과하는 물의 양이 적으면 고압측 압력이 올라가는 것을 효율적으로 적용하는 것이 본 발명에 의한 히트펌프의 특징중 하나이다.That is, for example, when the pressure transmitted from the water saving valve to the water saving pressure tube is 150 Psi or more, the water saving valve is controlled to open so that the external temperature is lowered. When the low pressure pressure is lowered, the high pressure side pressure is also lowered, so the compressor performance is reduced. One of the features of the heat pump according to the present invention is to efficiently apply the increase in the pressure on the high pressure side when the amount of water passing through the water is small.

이하, 본 발명에 의한 히트 펌프를 가동하는 경우의 흐름을 설명하면Hereinafter, the flow in the case of operating the heat pump according to the present invention will be described.

먼저, 난방 가동시는First, at the time of heating operation

압축기의 고압 출력단-삼방변의 제1 관로-1차 열교환기-2차 열교환기-제1 역지변-3차 열교환기-제습기-액면계-제1 분기부-제1 합기부-제2 역지변-4차 열교환기-제2 전자변-제4 또는 제5 전자변-제2 합기부-액분리기-필터-압축기의 저압 입력단의 순서로 냉매를 이동시키고,High pressure output stage of compressor-Three-way first pipe-Primary heat exchanger-Secondary heat exchanger-First reverse-Third heat exchanger-Dehumidifier-Liquid level-First branch-First aeration-Second reverse- The refrigerant is moved in the order of the low pressure input stage of the fourth heat exchanger-second electron valve-fourth or fifth electron valve-second aeration unit-liquid separator-filter-compressor,

냉방 가동시는At the time of cooling operation

압축기의 고압 출력단-삼방변의 제2 관로-제13 연결관-4차 열교환기-제4 역지변-3차 열교환기-제습기-액면계-제1 분기부-제1 합기부-제3 역지변-삼방변의 제1 관로의 순서로 냉매를 이동시킴과 동시에, 압축기의 고압 출력단-삼방변의 제1 관로-1차 열교환기-제3 전자변-액분리기-필터-압축기의 저압 입력단의 순서로 냉매를 이동시킨다.High pressure output stage of compressor- Second pipe of three-sided pipe-13th connection pipe-4th heat exchanger-4th reverse valve-3rd heat exchanger-Dehumidifier-Liquid level gauge-1st branch part-1st aeration part-3rd reverse valve- At the same time as the refrigerant is moved in the order of the first three-way pipe, the refrigerant is moved in the order of the high pressure output stage of the compressor, the first pipe of the three-way, the first heat exchanger, the third electromagnetic valve, the liquid separator, the filter, and the low pressure input of the compressor. Let's do it.

바람직하게는, 상기 특정온도는 18 ℃로 하며, 압축기의 고압 및 저압 압력은 각각 300 Psi 와 90 Psi 를 초과하지 않도록 조절하며, 고압 압력이 300 Psi를 초과하는 경우에만 3차 열교환기내의 팬(Fan)을 가동시켜 공기를 응축시키는 것이바람직하다.Preferably, the specific temperature is 18 ℃, the high pressure and low pressure of the compressor is adjusted so as not to exceed 300 Psi and 90 Psi, respectively, and the fan in the third heat exchanger only when the high pressure exceeds 300 Psi ( It is desirable to condense the air by running a fan.

본 발명에 의한 히트 펌프를 적용하면 낮은 외부 온도하에서도 압축기가 정상적으로 작동을 할 수 있으며, 종래의 히트 펌프에 비해 시공이 간편하고 경제성이 탁월한 히트 펌프 설치가 가능한 효과가 있다.When the heat pump according to the present invention is applied, the compressor can operate normally even at a low external temperature, and there is an effect that the heat pump can be installed more easily and economically than the conventional heat pump.

Claims

Compressor for converting the low-temperature low-pressure gas refrigerant to high temperature and high pressure discharge; And,

A triangular valve connected to the high pressure output terminal of the compressor through a first connecting pipe, the power being supplied only when the heating is operated;

A primary heat exchanger which receives a refrigerant having a high temperature and high pressure as a first input terminal through a second connecting pipe connected to the first pipe in the three-sided side and heat-exchanges it, and then outputs it to the first output terminal;

A secondary heat exchanger connected to a first output end of the primary heat exchanger;

A third connecting pipe connecting the output terminal of the primary heat exchanger and the first input terminal of the secondary heat exchanger;

A third heat exchanger connected to a first output end of the second heat exchanger through a fourth connector;

A first reverse ground formed on the fourth connecting pipe;

A fourth heat exchanger connected to an output end of the third heat exchanger through a fifth connector;

A dehumidifier formed on the fifth connection tube and configured to remove moisture in the condensation gas generated from an output end of the third heat exchanger;

A liquid level meter formed on the fifth connecting pipe and formed at a stage next to the dehumidifier;

A first branch formed on the fifth connecting pipe and separated into two expansion lines at the next stage of the liquid level gauge;

A first aeration unit formed on the fifth connection pipe and integrating two expansion lines separated by the first branch into one again;

A first electron valve formed on one expansion line between the first branch portion and the first aeration portion;

A second reverse finger formed on the fifth connecting pipe and formed at a stage next to the first aspirator;

A sixth connecting pipe connecting the first aspirator to the first pipe of the three sides;

A third reverse ground formed on the sixth connecting pipe;

A seventh connecting pipe connecting from the output end of the fourth heat exchanger to the input end of the third heat exchanger;

A fourth reverse ground formed on the seventh connecting pipe;

An eighth connecting pipe branched between the fourth heat exchanger on the seventh connecting pipe and a fourth reverse side and connected to the second input terminal of the secondary heat exchanger;

A second electron valve formed on the eighth connection pipe and always kept open during heating operation;

A ninth connecting pipe connected to a second input terminal of the secondary heat exchanger to receive the input refrigerant;

A tenth connecting pipe configured to receive the refrigerant input through the second input terminal of the secondary heat exchanger through the second output terminal through the secondary heat exchanger;

A second aeration unit for joining the ninth and tenth connectors together;

An eleventh connecting pipe connecting a second aeration unit to the low pressure input terminal of the compressor;

A liquid separator formed on the eleventh connecting pipe;

A filter formed at a stage following the liquid separator on an eleventh connecting pipe;

A twelfth connector connecting the liquid separator and the second aspirator of the third connector and the eleventh connector;

A third electron valve formed on the twelfth connecting tube and always being open when the cooling operation is performed;

A temperature sensing unit sensing an external temperature;

A fourth electron valve formed on the ninth connection tube and opened when the external temperature is higher than a specific temperature;

A fifth electron valve formed on the tenth connection tube and opened when the external temperature is less than the specific temperature;

A control unit controlling the fourth and fifth electronic valves according to the external temperature sensed by the temperature sensing unit;

And a thirteenth connecting pipe connecting the high pressure refrigerant generated from the compressor output through the second pipe of the three sides to the second reverse side of the fifth connecting pipe and the input terminal of the fourth heat exchanger during cooling operation. Characterized in a heat pump.

The method of claim 1, wherein the heat pump

A fourteenth connecting pipe for supplying water from the heat storage tank to the second input end of the primary heat exchanger through a pump; and

A second output stage in the primary heat exchanger for discharging water supplied to the second input stage from the primary heat exchanger;

A water-saving side which is formed at the front end of the pump on the fourteenth connecting pipe and is configured to be opened when the transfer pressure is equal to or greater than a predetermined pressure, and the valve diameter increases as the pressure increases;

A fifteenth connecting pipe branched between the pump and the water saving valve and branched to the next stage of the water saving valve;

A sixth electron valve formed on the fifteenth connection tube;

The water pump further comprises a water valve pressure tube for connecting the water valve between the output terminal and the dehumidifier of the third heat exchanger.

The method according to claim 1 or 2,

At heating operation

High pressure output stage of compressor-Three-way first pipe-Primary heat exchanger-Secondary heat exchanger-First reverse-Third heat exchanger-Dehumidifier-Liquid level-First branch-First aeration-Second reverse- The refrigerant is moved in the order of the low pressure input stage of the fourth heat exchanger-second electron valve-fourth or fifth electron valve-second aeration unit-liquid separator-filter-compressor,

At the time of cooling operation

High pressure output stage of compressor- Second pipe of three-sided pipe-13th connection pipe-4th heat exchanger-4th reverse valve-3rd heat exchanger-Dehumidifier-Liquid level gauge-1st branch part-1st aeration part-3rd reverse valve- At the same time as the refrigerant is moved in the order of the first three-way pipe, the refrigerant is moved in the order of the high pressure output stage of the compressor, the first pipe of the three-way, the first heat exchanger, the third electronic valve, the liquid separator, the filter, and the low pressure input of the compressor. Heat pump, characterized in that.

4. The fan in the tertiary heat exchanger of claim 3, wherein the specific temperature is 18 ° C., and the high and low pressures of the compressor are controlled not to exceed 300 Psi and 90 Psi, respectively, and only when the high pressure exceeds 300 Psi. (Fan) is operated to condense air.