TW201617567A - Heat pump air conditioning system - Google Patents
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本發明有關於一種熱泵空調系統,尤其特指有關改變冷媒之流向,即可達到多種不同的熱交換模式之組合需求的改良創新系統。 The present invention relates to a heat pump air conditioning system, and more particularly to an improved and innovative system for changing the flow direction of a refrigerant to achieve a combination of different heat exchange modes.
目前大多數的家庭對於致冷(冷氣需求)或致熱(熱水需求),仍然是以獨立的兩套設備(空調系統與熱泵系統)來分別供應對空調及熱水的需求,因此,在硬體設備方面可說是重複的採用壓縮機系統,以致於浪費地球的資源,或者是功能上的重複,因為在室內需求冷氣時,其排出的熱量可同時製作熱水,但卻沒被利用而被排掉,因此可說是雙重耗費能源。 At present, most households still supply air conditioning and hot water separately for two sets of equipment (air conditioning system and heat pump system) for cooling (air-conditioning demand) or heating (hot water demand). In terms of hardware equipment, it can be said that the compressor system is repeatedly used, so that the earth's resources are wasted, or the function is repeated, because when the indoor air is required, the heat discharged can simultaneously produce hot water, but it is not utilized. It is discharged, so it can be said that it is double energy.
為了避免設備的重複及耗能的浪費,需要將冷暖空調功能及熱泵熱水功能整合在同一套設備上,此至少已有如台灣專利公開第201219726號(即申請第99137600號)之專利前案。 In order to avoid the duplication of equipment and the waste of energy consumption, it is necessary to integrate the heating and cooling air conditioning function and the heat pump hot water function on the same set of equipment, which has at least the patent pending case of Taiwan Patent Publication No. 201219726 (ie, application No. 99137600).
惟,上述之該專利前案因為設計之不完善,而在實際操作上至少具有以下所述之缺失: However, the above-mentioned patent predecessor has at least the following shortcomings in practice due to imperfect design:
(一)現有之冷氣按裝配管的流程係小徑管為液態冷煤流入室內機的入口管,而大徑管為液態冷煤流經室內機吸熱蒸發成低壓氣態冷煤的出口管;但就該專利前案之圖一(高 負載熱水含冷氣的模式)而言,此冷煤流程設計係小徑管為出口管,故會造成阻抗大、壓力過低,且又因流經第二膨脹裝置(25)(為在該專利前案中之元件符號,以下均同),將使已吸熱成氣態之冷煤經二次膨脹,壓力將更低,接著再流經室外熱交換器(24)蒸發器,才流回壓縮機(20)之吸入端,此將造成冷煤嚴重不足,壓縮機(20)吸入溫度過高,造成壓縮機(20)損壞。 (1) The existing cold air is in the process of assembling the pipe, the small diameter pipe is the inlet pipe of the liquid cold coal flowing into the indoor unit, and the large diameter pipe is the outlet pipe of the liquid cold coal flowing through the indoor unit to evaporate into the low pressure gaseous cold coal; Figure 1 of the patent case (high In the case of load hot water with cold air, the cold coal process is designed as a small diameter pipe, which causes large impedance, low pressure, and flows through the second expansion device (25). The symbol of the component in the patent case, the following is the same, will make the cold coal that has been absorbed into the gaseous state expand twice, the pressure will be lower, and then flow through the outdoor heat exchanger (24) evaporator before flowing back to compression. At the suction end of the machine (20), this will cause a serious shortage of cold coal, and the suction temperature of the compressor (20) is too high, causing damage to the compressor (20).
(二)四方閥(23)是一種由電磁與管路之間壓力差推動閥件而改變冷煤流向的構件,然而該專利前案之設計(圖一至圖五),高壓冷煤先流經第一膨脹裝置(22)變成低壓冷媒之後再到四方閥(23),如此一來將使高低壓的壓差變小,而四方閥(23)因壓差變小,將在系統切換時會有無法切換的嚴重缺失。 (2) The square valve (23) is a member that changes the flow direction of the cold coal by pushing the valve member between the electromagnetic pressure and the pipeline. However, the design of the patent (Fig. 1 to Fig. 5), the high pressure cold coal flows first. The first expansion device (22) becomes a low-pressure refrigerant and then to the square valve (23), so that the pressure difference between the high and low pressures is reduced, and the square valve (23) becomes smaller due to the pressure difference, which will be changed when the system is switched. There is a serious lack of switching.
(三)就該專利前案之圖二(低負載熱水含冷氣的模式)而言,現有之冷氣系統流程,此處不應有第一膨脹裝置(22),而膨脹作用應由第二膨脹裝置(25)將液態冷煤變為液氣共存的冷煤才是!第一膨脹裝置(22)將會造成壓降過大與過度膨脹,而影響性能系數之嚴重缺失。 (3) In the case of Figure 2 of the previous patent (low-load hot water with air-conditioning mode), the existing air-conditioning system process, there should be no first expansion device (22), and the expansion should be second The expansion device (25) turns the liquid cold coal into a cold coal with coexistence of liquid and gas! The first expansion device (22) will cause excessive pressure drop and excessive expansion, which will affect the serious lack of performance coefficient.
(四)就該專利前案之圖三(單冷氣的模式)而言,同樣的,此流程設計,高壓氣態冷煤流經第一膨脹裝置(22)將會造成壓降過大與過度膨脹,而影響性能系數,意即:第一膨脹裝置(22)在此系統是不應存在的構件,或者必須另設計一迴路取代。 (d) In the case of Figure 3 (single air-conditioning mode) of the patent, the same process design, high-pressure gaseous cold coal flowing through the first expansion device (22) will cause excessive pressure drop and excessive expansion, The coefficient of performance is affected, that is, the first expansion device (22) is a component that should not exist in the system, or a circuit must be replaced.
(五)就該專利前案之圖四(單熱水的模式)而言,壓縮機(20)輸出端之高壓氣態冷煤,經液體熱交換器(21)冷凝成液態冷煤,接者流經第一膨脹裝置(22)壓降成液氣共存 冷煤,再經室外熱交換器(24)蒸發為氣態冷煤而回壓縮機(20)之吸入端,方為正常之系統流程,然而該專利前案之圖四,則是再經過第二膨脹裝置(25),將會造成過大阻抗而影響性能。 (5) In the case of Figure 4 (single hot water mode) of the patent, the high pressure gaseous cold coal at the output of the compressor (20) is condensed into liquid cold coal through the liquid heat exchanger (21). Flow through the first expansion device (22) to reduce the pressure to coexist The cold coal is then evaporated into the gaseous cold coal by the outdoor heat exchanger (24) and returned to the suction end of the compressor (20) for normal system flow. However, the fourth figure of the patent is followed by the second. The expansion device (25) will cause excessive impedance and affect performance.
(六)就該專利前案之圖五(熱水含暖氣的模式)而言,正常流程應是高壓高溫氣態冷煤由大徑管進入室內熱交換器(26),造熱冷凝成液態冷煤,再由第二膨脹裝置(25)壓降,再經室外熱交換器(24)蒸發為氣態冷煤而回壓縮機(20)之吸入端。然而而該專利前案之圖五,則是高壓高溫氣態冷煤流經第一膨脹裝置(22),將造成過度膨脹壓降,使得高壓端壓力過大,而低壓回流端壓力太低,而使系統運轉異常。 (6) As far as Figure 5 of the previous patent (the hot water heating mode), the normal process should be high pressure and high temperature gaseous cold coal entering the indoor heat exchanger (26) from the large diameter pipe, and the heat is condensed into liquid cold. The coal is then pressure-dropped by the second expansion device (25) and then vaporized into gaseous cold coal via the outdoor heat exchanger (24) and returned to the suction end of the compressor (20). However, in the fifth figure of the patent, the high pressure and high temperature gaseous cold coal flows through the first expansion device (22), which will cause excessive expansion pressure drop, so that the pressure at the high pressure end is too large, and the pressure at the low pressure return end is too low, so that The system is operating abnormally.
針對以上缺陷,本案發明人認為熱泵空調系統所採用的構件(如四方閥、膨脹裝置等)為業界習知,但要達到真正複合與節能的智慧商品化目標,唯有藉著系統之管路、構件配置的合理化才能達成,因為各構件的設置位置、數量、冷媒流向的合理邏輯配置都影響著是否能達成多功能的目標,因此,使改變冷媒流向時,冷媒可於系統中產生多種熱交換的模式,藉以達到提供多功能,且使系統運作正常,而無過度壓降與膨脹的缺失,則為本發明的發明要旨所在。 In view of the above defects, the inventor of the present invention believes that the components used in the heat pump air conditioning system (such as square valves, expansion devices, etc.) are well known in the industry, but to achieve the goal of intelligent commodification of real compounding and energy saving, only through the system pipeline The rationalization of component configuration can be achieved, because the location and quantity of each component, and the reasonable logical configuration of the flow direction of the refrigerant affect whether the multi-functional target can be achieved. Therefore, when changing the flow direction of the refrigerant, the refrigerant can generate various heats in the system. The mode of exchange, in order to provide versatility, and to make the system operate normally without the absence of excessive pressure drop and expansion, is the gist of the invention.
為實現上述預期目標,本發明採用以下的技術方案:本發明為一種熱泵空調系統,係由一控制單元、一熱水單元及一熱交換組所組成,其中,熱水單水具有一儲水桶、一泵浦、一進液管及一出液管,儲水桶以出液管連通而出, 且以進液管連通而進,而電性連接至控制單元之泵浦係接設於出液管;而熱交換組至少包含均電性連接至該控制單元的一壓縮機、一水側熱交換器、一第一四方閥、一第一膨脹裝置、一室外熱交換器、一第二膨脹裝置及一室內熱交換器,且以一冷媒管路連接而構成冷媒循環迴路,出液管及進液管係連接至水側熱交換器,又室外熱交換器、室內熱交換器的側邊分別設置的一第一風扇、一第二風扇,且第一風扇、第二風扇亦電性連接至控制單元;而主要改良在於:所述之冷媒管路至少包含一第一管線、一第二管線、一第三管線、一第四管線、一第五管線及一第六管線,壓縮機以第一管線連接至第一四方閥,且水側熱交換器接設於第一管線,第一四方閥以第二管線連接室外熱交換器,室外熱交換器以第三管線連接第一膨脹裝置,且第一膨脹裝置以第四管線連接室內熱交換器,室內熱交換器以第五管線連接回壓縮機,又由第六管線之一端通過第一四方閥,且通過第二膨脹裝置而連接至第三管線,並第六管線之另一端連接至第五管線。據此,使冷媒經由控制單元的引導,改變冷媒之流向,以達到可提供熱水加冷氣、熱水之組合。 In order to achieve the above-mentioned intended object, the present invention adopts the following technical solution: the present invention is a heat pump air conditioning system, which is composed of a control unit, a hot water unit and a heat exchange group, wherein the hot water single water has a water storage tank a pump, a liquid inlet pipe and a liquid outlet pipe, and the water storage tank is connected by a liquid outlet pipe. And the inlet pipe is connected to communicate, and the pumping system electrically connected to the control unit is connected to the outlet pipe; and the heat exchange group comprises at least one compressor electrically connected to the control unit, and a water side heat An exchanger, a first four-square valve, a first expansion device, an outdoor heat exchanger, a second expansion device, and an indoor heat exchanger, and connected by a refrigerant pipe to form a refrigerant circulation circuit, and a discharge pipe And the inlet pipe is connected to the water side heat exchanger, and the first fan and the second fan are respectively disposed on the sides of the outdoor heat exchanger and the indoor heat exchanger, and the first fan and the second fan are also electrically Connected to the control unit; and the main improvement is that the refrigerant pipeline includes at least a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a fifth pipeline, and a sixth pipeline, and the compressor The first line is connected to the first square valve, and the water side heat exchanger is connected to the first line, the first square valve is connected to the outdoor heat exchanger by the second line, and the outdoor heat exchanger is connected by the third line. An expansion device, and the first expansion device is a fourth tube Connecting the indoor heat exchanger, the indoor heat exchanger is connected back to the compressor by a fifth line, and the first end of the sixth line is passed through the first square valve, and is connected to the third line by the second expansion device, and the sixth line is connected. The other end is connected to the fifth line. According to this, the flow of the refrigerant is changed by the guidance of the control unit to achieve a combination of hot water, cold air and hot water.
其運作模式之一,控制單元控制而使第二膨脹裝置關閉而運作時,水側熱交換器係將由第一管線來自壓縮機之高壓氣態冷媒開始冷凝,且提供熱量予儲水桶,冷媒流經第一四方閥及經第二管線進入室外熱交換器,且由控制單元控制壓縮機、泵浦、第一風扇之轉速,使依據複數溫度感測元件預設之溫度條件,以及依據熱水及冷氣需求而調節運轉,而在室外熱交換器完全冷凝成高壓液態冷媒之後,由第三管線經第一膨 脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線經室內熱交換器蒸發成低壓氣態而由第五管線回到壓縮機,而形成能提供熱水與冷氣的運作模式。 In one of its modes of operation, when the control unit controls to operate the second expansion device, the water-side heat exchanger starts to condense from the high-pressure gaseous refrigerant from the compressor in the first line, and supplies heat to the storage tank, and the refrigerant flows through The first four-party valve enters the outdoor heat exchanger via the second pipeline, and the control unit controls the rotation speed of the compressor, the pump, and the first fan to make the preset temperature condition according to the plurality of temperature sensing components, and according to the hot water And regulate the operation with the air-conditioning demand, and after the outdoor heat exchanger is completely condensed into a high-pressure liquid refrigerant, the third pipeline is subjected to the first expansion. The expansion device regulates the flow rate and the pressure drop to form a low-temperature low-pressure liquid-gas coexisting refrigerant, and then the fourth pipeline is evaporated into a low-pressure gas state through the indoor heat exchanger, and is returned to the compressor from the fifth pipeline to form an operation capable of providing hot water and cold air. mode.
其運作模式之二,控制單元控制而使泵浦與第二膨脹裝置關閉而運作時,來自壓縮機之高壓氣態冷媒由第一管線流經水側熱交換器、第一四方閥,及經第二管線進入室外熱交換器而冷凝成高壓液態冷媒,由第三管線經第一膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線經室內熱交換器蒸發成低壓氣態而由第五管線回到壓縮機,而形成僅提供冷氣的運作模式。 In the second mode of operation, when the control unit controls to operate the pump and the second expansion device, the high-pressure gaseous refrigerant from the compressor flows from the first pipeline through the water-side heat exchanger, the first four-party valve, and The second pipeline enters the outdoor heat exchanger and condenses into a high-pressure liquid refrigerant, and the third pipeline passes through the first expansion device to adjust the flow rate and the pressure drop to form a low-temperature low-pressure liquid-gas coexisting refrigerant, and then the fourth pipeline is evaporated through the indoor heat exchanger. The low pressure gaseous state is returned to the compressor by the fifth line to form an operating mode that only provides cold air.
其次,水側熱交換器與第一四方閥間的第一管線可增設一第二四方閥,且第五管線係連通第二四方閥。其運作模式之一,控制單元控制而使第二膨脹裝置關閉而運作時,水側熱交換器將由第一管線來自壓縮機之高壓氣態冷媒開始冷凝且提供熱量予儲水桶,冷媒依序流經第二四方閥、第一四方閥,及經第二管線進入室外熱交換器,且由控制單元控制該壓縮機、泵浦、第一風扇之轉速,使依據複數溫度感測元件預設之溫度條件,以及依據熱水及冷氣需求而調節運轉,而在室外熱交換器完全冷凝成高壓液態冷媒後,由第三管線經第一膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線經室內熱交換器蒸發成低壓氣態,再由第五管線經第二四方閥回到壓縮機,而形成能提供熱水與冷氣的運作模式。 Secondly, a second square valve may be added to the first line between the water side heat exchanger and the first square valve, and the fifth line is connected to the second square valve. In one of its modes of operation, when the control unit controls to operate the second expansion device, the water-side heat exchanger will start to condense from the high-pressure gaseous refrigerant from the compressor in the first line and provide heat to the water storage tank, and the refrigerant flows sequentially. a second square valve, a first square valve, and a second pipeline enter the outdoor heat exchanger, and the control unit controls the speed of the compressor, the pump, and the first fan to be preset according to the plurality of temperature sensing components The temperature condition is adjusted according to the demand of hot water and cold air, and after the outdoor heat exchanger is completely condensed into a high pressure liquid refrigerant, the third line is adjusted by the first expansion device to adjust the flow rate and the pressure drop to form a low temperature and low pressure liquid gas. The refrigerant is then vaporized into a low-pressure gas state by the fourth pipeline through the indoor heat exchanger, and then returned to the compressor by the fifth pipeline through the second square valve to form an operation mode capable of providing hot water and cold air.
其運作模式之二,控制單元控制而使泵浦與第二膨脹裝置關閉而運作時,來自壓縮機之高壓氣態冷媒經由第一 管線依序流經水側熱交換器、第二四方閥、第一四方閥,及由第二管線進入室外熱交換器而冷凝成高壓液態冷媒,由第三管線經第一膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線經室內熱交換器蒸發成低壓氣態,再由第五管線經第二四方閥回到壓縮機,而形成僅提供冷氣的運作模式。 In the second mode of operation, when the control unit controls to operate the pump and the second expansion device, the high pressure gaseous refrigerant from the compressor passes through the first The pipeline flows through the water side heat exchanger, the second square valve, the first square valve, and the second pipeline enters the outdoor heat exchanger to be condensed into a high pressure liquid refrigerant, and the third pipeline is regulated by the first expansion device. The flow rate and the pressure drop form a low temperature and low pressure liquid gas coexisting refrigerant, and then the fourth line is evaporated into a low pressure gas state through the indoor heat exchanger, and then the fifth line returns to the compressor through the second square valve, thereby forming only the cold air. Mode of operation.
再者,水側熱交換器與壓縮機間的第一管線可增設一第二四方閥,且第五管線係連通第二四方閥。其運作模式之一,控制單元控制而使第二膨脹裝置關閉而運作時,水側熱交換器將由第一管線來自壓縮機通過第二四方閥之高壓氣態冷媒開始冷凝,且提供熱量予儲水桶,冷媒流經第一四方閥及由第二管線進入室外熱交換器,且由控制單元控制壓縮機、泵浦、第一風扇之轉速,使依據複數溫度感測元件預設之溫度條件,以及依據熱水及冷氣需求而調節運轉,而在室外熱交換器完全冷凝成高壓液態冷媒後,由第三管線經第一膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線經室內熱交換器蒸發成低壓氣態,再由第五管線經第二四方閥回到壓縮機,而形成能提供熱水與冷氣的運作模式。 Furthermore, a second square valve may be added to the first line between the water side heat exchanger and the compressor, and the fifth line is connected to the second square valve. One of its modes of operation, when the control unit controls to operate the second expansion device, the water-side heat exchanger will start to condense by the high-pressure gaseous refrigerant from the compressor through the second square valve in the first line, and provide heat for storage. The water tank flows through the first four-party valve and enters the outdoor heat exchanger from the second pipeline, and the control unit controls the rotation speed of the compressor, the pump and the first fan, so that the temperature condition preset according to the plurality of temperature sensing elements And adjusting the operation according to the demand of hot water and cold air, and after the outdoor heat exchanger is completely condensed into a high-pressure liquid refrigerant, the third pipeline is adjusted to the flow rate and the pressure drop by the first expansion device to form a low-temperature low-pressure liquid-gas coexisting refrigerant, and then The fourth pipeline is vaporized into a low pressure gas state through the indoor heat exchanger, and then returned to the compressor by the fifth pipeline through the second square valve to form an operation mode capable of providing hot water and cold air.
其運作模式之二,控制單元控制而使泵浦與第二膨脹裝置關閉而運作時,來自壓縮機之高壓氣態冷媒經由第一管線依序流經第二四方閥、水側熱交換器、第一四方閥,及經第二管線進入室外熱交換器而冷凝成高壓液態冷媒,由經第三管線經第一膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線經室內熱交換器蒸發成低壓氣態,續由第 五管線經第二四方閥回到壓縮機,而形成僅提供冷氣的運作模式。 In the second mode of operation, when the control unit controls to operate the pump and the second expansion device, the high-pressure gaseous refrigerant from the compressor sequentially flows through the second square valve and the water-side heat exchanger via the first pipeline. The first four-square valve and the second pipeline enter the outdoor heat exchanger to be condensed into a high-pressure liquid refrigerant, and the third-stage pipeline is adjusted by the first expansion device to adjust the flow rate and the pressure drop to form a low-temperature low-pressure liquid-gas coexisting refrigerant, and then The four pipelines are evaporated into a low-pressure gas state through the indoor heat exchanger, and the The five lines return to the compressor via the second four-way valve to form an operating mode that only provides cold air.
接著,本發明提供之另一技術方案為:本發明為一種熱泵空調系統,係由一控制單元、一熱水單元及一熱交換組所組成,其中,熱水單水具有一儲水桶、一泵浦、一進液管及一出液管,儲水桶以出液管連通而出,且以進液管連通而進,而電性連接至控制單元之泵浦係接設於出液管;而熱交換組至少包含均電性連接至該控制單元的一壓縮機、一水側熱交換器、一第一四方閥、一第一膨脹裝置、一室外熱交換器、一第二膨脹裝置及一室內熱交換器,且以一冷媒管路連接而構成冷媒循環迴路,出液管及進液管係連接至水側熱交換器,又室外熱交換器、室內熱交換器的側邊分別設置的一第一風扇、一第二風扇,且第一風扇、第二風扇亦電性連接至控制單元;而主要改良在於:所述之冷媒管路至少包含一第七管線、一第八管線、一第九管線及一第十管線,壓縮機以第七管線依序通過水側熱交換器及第一四方閥而連接至第二膨脹裝置,而第二膨脹裝置以第八管線連接室外熱交換器,室外熱交換器以第九管線通過第一四方閥而連接至壓縮機,又由第十管線之一端通過第一膨脹裝置而連接至第八管線,且第十管線之另一端通過室內熱交換器而連接至第九管線。據此,使冷媒經由控制單元的引導,改變冷媒之流向,以達到可提供熱水之運作。 Next, the present invention provides another technical solution: the present invention is a heat pump air conditioning system, which is composed of a control unit, a hot water unit and a heat exchange group, wherein the hot water single water has a water storage tank and a a pump, a liquid inlet pipe and a liquid outlet pipe, the water storage tank is connected by the liquid discharge pipe, and is connected by the liquid inlet pipe, and the pumping system electrically connected to the control unit is connected to the liquid discharge pipe; The heat exchange group includes at least one compressor electrically connected to the control unit, a water side heat exchanger, a first square valve, a first expansion device, an outdoor heat exchanger, and a second expansion device. And an indoor heat exchanger, and connected by a refrigerant pipeline to form a refrigerant circulation loop, the outlet pipe and the inlet pipe are connected to the water side heat exchanger, and the side of the outdoor heat exchanger and the indoor heat exchanger are respectively a first fan and a second fan are disposed, and the first fan and the second fan are also electrically connected to the control unit; and the main improvement is that the refrigerant pipeline includes at least a seventh pipeline and an eighth pipeline. , a ninth pipeline and a tenth pipeline, pressure The machine is connected to the second expansion device through the water-side heat exchanger and the first square valve in sequence, and the second expansion device is connected to the outdoor heat exchanger by the eighth pipeline, and the ninth pipeline is connected to the outdoor heat exchanger. It is connected to the compressor through the first four-way valve, and is connected to the eighth line by one end of the tenth line through the first expansion device, and the other end of the tenth line is connected to the ninth line through the indoor heat exchanger. According to this, the refrigerant is guided by the control unit to change the flow direction of the refrigerant to achieve the operation of providing hot water.
其運作模式之一,控制單元控制而使第一膨脹裝置及室內熱交換器關閉而運作時,水側熱交換器將由第七管線來自壓縮機之高壓氣態冷媒冷凝成液態冷媒且提供熱量予儲 水桶,冷媒流經第一四方閥而至第二膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由八管線流經室外熱交換器蒸發成低壓氣態,再經第九管線通過第一四方閥回到壓縮機,而形成僅能提供熱水的運作模式。 One of its modes of operation, when the control unit controls to operate the first expansion device and the indoor heat exchanger, the water-side heat exchanger condenses the high-pressure gaseous refrigerant from the compressor from the seventh line into a liquid refrigerant and provides heat for storage. The water tank flows through the first four square valve to the second expansion device to adjust the flow rate and pressure drop to form a low temperature low pressure liquid gas coexisting refrigerant, and then the eight pipelines flow through the outdoor heat exchanger to evaporate into a low pressure gas state, and then pass through the ninth pipeline. Returning to the compressor through the first four-way valve creates an operational mode that only provides hot water.
其次,水側熱交換器與第一四方閥間的第一管線可增設一第二四方閥,且第十管線係通過第二四方閥而連接至第九管線。其運作模式為控制單元控制而使第一膨脹裝置及室內熱交換器關閉而運作時,水側熱交換器將由第七管線來自壓縮機之高壓氣態冷媒冷凝成液態冷媒且提供熱量予儲水桶,冷媒依序流經第二四方閥、第一四方閥而至第二膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第八管線流經室外熱交換器蒸發成低壓氣態,再經第九管線通過第一四方閥回到壓縮機,而形成僅能提供熱水的運作模式。 Secondly, a second square valve may be added to the first line between the water side heat exchanger and the first square valve, and the tenth line is connected to the ninth line by the second square valve. When the operation mode is controlled by the control unit to operate the first expansion device and the indoor heat exchanger, the water-side heat exchanger condenses the high-pressure gaseous refrigerant from the compressor into the liquid refrigerant and supplies heat to the water storage tank. The refrigerant flows through the second square valve and the first square valve in sequence, and the second expansion device adjusts the flow rate and the pressure drop to form a low temperature low pressure liquid gas coexisting refrigerant, and then the eighth pipeline flows through the outdoor heat exchanger to evaporate into a low pressure. The gaseous state is returned to the compressor through the first square valve through the ninth line to form an operation mode in which only hot water can be supplied.
再者,水側熱交換器與壓縮機間的第一管線可增設一第二四方閥,且第十管線係通過第二四方閥而連接至第九管線。其運作模式為控制單元控制而使第一膨脹裝置及室內熱交換器關閉而運作時,水側熱交換器將由第七管線來自壓縮機之高壓氣態冷媒通過第二四方閥而冷凝成液態冷媒,且提供熱量予儲水桶,冷媒流經第一四方閥而至第二膨脹裝置調節流量與壓降而成低溫低壓液氣共存冷媒,再由第八管線流經室外熱交換器蒸發成低壓氣態,再經第九管線通過第一四方閥回到壓縮機,而形成僅能提供熱水的運作模式。 Furthermore, a second square valve may be added to the first line between the water side heat exchanger and the compressor, and the tenth line is connected to the ninth line by the second square valve. When the operation mode is controlled by the control unit and the first expansion device and the indoor heat exchanger are turned off to operate, the water side heat exchanger condenses the liquid refrigerant from the high pressure gaseous refrigerant from the compressor through the second square valve to the liquid refrigerant. And providing heat to the water storage tank, the refrigerant flows through the first four-party valve to the second expansion device to adjust the flow rate and pressure drop to form a low-temperature low-pressure liquid-gas coexisting refrigerant, and then the eighth pipeline flows through the outdoor heat exchanger to evaporate into a low pressure The gaseous state is returned to the compressor through the first square valve through the ninth line to form an operation mode in which only hot water can be supplied.
是以,可知本發明之主要目的在提供一種熱泵空調系統,主要藉由系統之管路流向、構件的配置合理化,而使 改變冷媒流向時,冷媒可於系統中產生多種熱交換的模式,且無過度壓降與膨脹的缺失,而為本發明達到的諸多功效增進處者。 Therefore, it is understood that the main object of the present invention is to provide a heat pump air conditioning system, mainly by rationalizing the flow direction of the system and the configuration of the components. When changing the flow direction of the refrigerant, the refrigerant can generate a plurality of modes of heat exchange in the system, and there is no excessive pressure drop and lack of expansion, and the present invention achieves many functions and enhancements.
1‧‧‧控制單元 1‧‧‧Control unit
2‧‧‧熱水單元 2‧‧ ‧ hot water unit
21‧‧‧儲水桶 21‧‧ ‧ water bucket
22‧‧‧泵浦 22‧‧‧ pump
23‧‧‧進液管 23‧‧‧Inlet pipe
24‧‧‧出液管 24‧‧‧Draining tube
25‧‧‧流量計 25‧‧‧ Flowmeter
3‧‧‧熱交換組 3‧‧‧Hot Exchange Group
31‧‧‧壓縮機 31‧‧‧Compressor
32‧‧‧水側熱交換器 32‧‧‧Waterside heat exchanger
33‧‧‧第一四方閥 33‧‧‧First four square valve
34‧‧‧第一膨脹裝置 34‧‧‧First expansion device
35‧‧‧室外熱交換器 35‧‧‧Outdoor heat exchanger
351‧‧‧第一風扇 351‧‧‧First fan
36‧‧‧第二膨脹裝置 36‧‧‧Second expansion device
37‧‧‧室內熱交換器 37‧‧‧ indoor heat exchanger
371‧‧‧第二風扇 371‧‧‧second fan
38‧‧‧第二四方閥 38‧‧‧Second square valve
30、30′‧‧‧冷媒管路 30, 30'‧‧‧ refrigerant pipeline
301‧‧‧第一管線 301‧‧‧First pipeline
302‧‧‧第二管線 302‧‧‧Second pipeline
303‧‧‧第三管線 303‧‧‧ third pipeline
304‧‧‧第四管線 304‧‧‧fourth pipeline
305‧‧‧第五管線 305‧‧‧ fifth pipeline
306‧‧‧第六管線 306‧‧‧ sixth pipeline
307‧‧‧第七管線 307‧‧‧ seventh pipeline
308‧‧‧第八管線 308‧‧‧ eighth pipeline
309‧‧‧第九管線 309‧‧‧ ninth pipeline
第1圖係本發明之第1種熱水及冷氣模式的冷媒流程示意圖。 Fig. 1 is a schematic view showing the flow of a refrigerant in the first hot water and cold air mode of the present invention.
第2圖係本發明之第1種冷氣模式的冷媒流程示意圖。 Fig. 2 is a schematic view showing the flow of a refrigerant in the first cold air mode of the present invention.
第3圖係本發明之第2種熱水及冷氣模式的冷媒流程示意圖。 Fig. 3 is a schematic view showing the flow of a refrigerant in the second hot water and cold air mode of the present invention.
第4圖係本發明之第2種冷氣模式的冷媒流程示意圖。 Fig. 4 is a schematic view showing the flow of a refrigerant in the second cold air mode of the present invention.
第5圖係本發明之第3種熱水及冷氣模式的冷媒流程示意圖。 Fig. 5 is a schematic view showing the flow of a refrigerant in the third hot water and cold air mode of the present invention.
第6圖係本發明之第3種冷氣模式的冷媒流程示意圖。 Fig. 6 is a schematic view showing the flow of a refrigerant in the third cold air mode of the present invention.
第7圖係本發明之第1種熱水模式的冷媒流程示意圖。 Fig. 7 is a schematic view showing the flow of a refrigerant in the first hot water mode of the present invention.
第8圖係本發明之第2種熱水模式的冷媒流程示意圖。 Fig. 8 is a schematic view showing the flow of a refrigerant in the second hot water mode of the present invention.
第9圖係本發明之第3種熱水模式的冷媒流程示意圖。 Fig. 9 is a schematic view showing the flow of a refrigerant in the third hot water mode of the present invention.
首先,請參閱第1圖所示,本發明具有一控制單元1、一熱水單元2及一熱交換組3。其中:熱水單水2,具有一儲水桶21、一泵浦22、一進液管23及一出液管24,儲水桶21以出液管24連通而出,以進液管23連通而進,而泵浦22電性連接至控制單元1,且接設於出液管24。另外,在出液管24另設置一流量計25。 First, referring to FIG. 1, the present invention has a control unit 1, a hot water unit 2, and a heat exchange group 3. Wherein: the hot water single water 2 has a water storage tank 21, a pump 22, a liquid inlet pipe 23 and a liquid discharge pipe 24, and the water storage tank 21 is connected by the liquid discharge pipe 24, and the liquid inlet pipe 23 is connected. The pump 22 is electrically connected to the control unit 1 and is connected to the discharge pipe 24. In addition, a flow meter 25 is additionally provided in the discharge pipe 24.
熱交換組3,包含一壓縮機31、一水側熱交換器32、一第一四方閥33、一第一膨脹裝置34、一室外熱交換器35、一第二膨脹裝置36及一室內熱交換器37,其均電性連接至控制單元1,且以一冷媒管路30連接而構成冷媒循環迴路,而出液管24及進液管23係連接至水側熱交換器32,而上述之流量計25為一保護作用,以避免沒水或水量過少而進入水側熱交換器32,造成空燒而使系統損壞。其次,室外熱交換器35、室內熱交換器37的側邊分別設置的一第一風扇351、一第二風扇371,且亦電性連接至控制單元1,又第一風扇351及第二風扇371可為變頻風扇。 The heat exchange group 3 includes a compressor 31, a water side heat exchanger 32, a first square valve 33, a first expansion device 34, an outdoor heat exchanger 35, a second expansion device 36, and an indoor unit. The heat exchangers 37 are electrically connected to the control unit 1 and connected by a refrigerant line 30 to form a refrigerant circulation circuit, and the outlet pipe 24 and the inlet pipe 23 are connected to the water side heat exchanger 32, and The flow meter 25 described above is a protective function to prevent the water from entering the water side heat exchanger 32 without water or water, causing air burning and damage to the system. Next, a first fan 351 and a second fan 371 are respectively disposed on the side of the outdoor heat exchanger 35 and the indoor heat exchanger 37, and are also electrically connected to the control unit 1, and the first fan 351 and the second fan. The 371 can be an inverter fan.
冷媒管路30包含一第一管線301、一第二管線302、一第三管線303、一第四管線304、一第五管線305及一第六管線306(如第1、2圖),而第一管線301連接於壓縮機31至第一四方閥33,且水側熱交換器32接設於第一管線301,第二管線302自第一四方閥33連接至室外熱交換器35,室外熱交換器35以第三管線303連接第一膨脹裝置34,且第一膨脹裝置34以第四管線304連接室內熱交換器37,室內熱交換器37以第五管線305連接回壓縮機31,而第六管線306之一端通過第二四方閥38,且通過第二膨脹裝置36而連接至第三管線303,第六管線306之另一端連接至第五管線305。 The refrigerant line 30 includes a first line 301, a second line 302, a third line 303, a fourth line 304, a fifth line 305, and a sixth line 306 (as shown in Figures 1, 2). The first line 301 is connected to the compressor 31 to the first square valve 33, and the water side heat exchanger 32 is connected to the first line 301, and the second line 302 is connected from the first square valve 33 to the outdoor heat exchanger 35. The outdoor heat exchanger 35 is connected to the first expansion device 34 by a third line 303, and the first expansion device 34 is connected to the indoor heat exchanger 37 by a fourth line 304, and the indoor heat exchanger 37 is connected back to the compressor with a fifth line 305. 31, and one end of the sixth line 306 passes through the second square valve 38 and is connected to the third line 303 by the second expansion device 36, and the other end of the sixth line 306 is connected to the fifth line 305.
其次,水側熱交換器32與第一四方閥33間的第一管線301可增設一第二四方閥38,且第五管線305係連通第二四方閥38(如第3、4圖)。再者,第二四方閥38亦可設置於水側熱交換器32與壓縮機31之間的第一管線301,且第五 管線305亦連通第二四方閥38(如第5、6圖)。 Next, a second square valve 38 may be added to the first line 301 between the water side heat exchanger 32 and the first square valve 33, and the fifth line 305 is connected to the second square valve 38 (eg, 3, 4). Figure). Furthermore, the second square valve 38 may also be disposed in the first line 301 between the water side heat exchanger 32 and the compressor 31, and fifth. Line 305 also communicates with second square valve 38 (as in Figures 5 and 6).
承上,其實施模式如下: According to the above, its implementation model is as follows:
(a)熱水及冷氣模式:包含第1、3、5圖,此時由控制單元1控制而使第二膨脹裝置36呈關閉off狀態,其餘構件依控制單元1設定條件運轉,水側熱交換器32將由第一管線301來自壓縮機31之高壓氣態冷媒開始進行冷凝(意即冷媒由高壓氣態並未完全冷凝成高壓液態),且提供熱量予儲水桶21,冷媒續流經第一四方閥33及經第二管線302進入室外熱交換器35,此時由控制單元1控制壓縮機31、泵浦22、第一風扇351之轉速,使依據複數溫度感測元件T1、T2...T8等預設之溫度條件,以及依據熱水及冷氣需求而調節運轉,而使冷媒在室外熱交換器35完全冷凝成高壓液態冷媒,接著由第三管線303經第一膨脹裝置34調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線304經室內熱交換器37蒸發成低壓氣態而由第五管線305回到壓縮機31。其中,若是第3圖則是冷媒經水側熱交換器32之後,由第二管線302依序經過第二四方閥38、第一四方閥33再進入室外熱交換器35;若是第5圖,則是高壓氣態冷媒由壓縮機31先經第二四方閥38後再進入水側熱交換器32;而第3、5圖之運作模式則是冷媒由第五管線305回到壓縮機31時係先通過第二四方閥38。由上運作即可構成提供熱水+冷氣的運作模式。 (a) Hot water and cold air mode: including the first, third, and fifth views. At this time, the second expansion device 36 is controlled to be in the off state by the control unit 1, and the remaining members are operated according to the setting conditions of the control unit 1, and the water side is heated. The exchanger 32 starts the condensation of the high-pressure gaseous refrigerant from the compressor 31 by the first line 301 (that is, the refrigerant is not completely condensed into a high-pressure liquid state by the high-pressure gas state), and supplies heat to the water storage tank 21, and the refrigerant continues to flow through the first four. The square valve 33 and the second line 302 enter the outdoor heat exchanger 35. At this time, the control unit 1 controls the rotational speeds of the compressor 31, the pump 22, and the first fan 351 so that the sensing elements T1, T2. Predetermined temperature conditions such as .T8, and adjustment of operation according to hot water and cold air demand, so that the refrigerant is completely condensed into the high pressure liquid refrigerant in the outdoor heat exchanger 35, and then the flow is regulated by the third expansion line 34 via the first expansion device 34. The refrigerant is coexisted with the pressure drop to form a low temperature and low pressure liquid gas, and then evaporated from the fourth line 304 to the low pressure gas state via the indoor heat exchanger 37 to be returned to the compressor 31 by the fifth line 305. In the third figure, after the refrigerant passes through the water side heat exchanger 32, the second line 302 sequentially passes through the second square valve 38 and the first square valve 33 to enter the outdoor heat exchanger 35; In the figure, the high-pressure gaseous refrigerant enters the water-side heat exchanger 32 from the compressor 31 through the second square valve 38; and the operation mode of the third and fifth diagrams is that the refrigerant is returned to the compressor from the fifth line 305. At 31 o'clock, the second square valve 38 is passed first. From the above operation, it can form an operation mode that provides hot water + cold air.
(b)冷氣模式:包含第2、4、6圖,此時由控制單元1控制而使泵浦22及第二膨脹裝置36呈關閉off狀態,其餘構件依控制單元1設定條件運轉,由第一管線301來自壓縮 機31之高壓氣態冷媒流經水側熱交換器32,且此時儲水桶21之水溫已達設定值或最高值,故使泵浦22關閉,冷媒流經第一四方閥33及經第二管線302進入室外熱交換器35,而使冷媒冷凝成高壓液態冷媒,接著由第三管線303經第一膨脹裝置34調節流量與壓降而成低溫低壓液氣共存冷媒,再由第四管線304經室內熱交換器37蒸發成低壓氣態而由第五管線305回到壓縮機31。其中,若是第4圖則是冷媒經水側熱交換器32之後,由第二管線302依序經過第二四方閥38、第一四方閥33再進入室外熱交換器35;若是第6圖,則是高壓氣態冷媒由壓縮機31先經第二四方閥38後再進入水側熱交換器32;而第4、6圖之運作模式則是冷媒由第五管線305回到壓縮機31時係先通過第二四方閥38。由上運作即可構成僅提供冷氣的運作模式。 (b) Cold air mode: including the second, fourth, and sixth diagrams. At this time, the control unit 1 controls the pump 22 and the second expansion device 36 to be in an off state, and the remaining components are operated according to the control unit 1 setting conditions. A pipeline 301 comes from compression The high-pressure gaseous refrigerant of the machine 31 flows through the water-side heat exchanger 32, and at this time, the water temperature of the water storage tank 21 has reached the set value or the highest value, so that the pump 22 is closed, and the refrigerant flows through the first square valve 33 and The second line 302 enters the outdoor heat exchanger 35 to condense the refrigerant into a high-pressure liquid refrigerant, and then the third line 303 adjusts the flow rate and the pressure drop through the first expansion device 34 to form a low-temperature low-pressure liquid-gas coexisting refrigerant, and then the fourth Line 304 is vaporized into a low pressure gaseous state via indoor heat exchanger 37 and returned to compressor 31 by fifth line 305. In the fourth embodiment, after the refrigerant passes through the water side heat exchanger 32, the second line 302 passes through the second square valve 38 and the first square valve 33 to enter the outdoor heat exchanger 35; if it is the sixth In the figure, the high-pressure gaseous refrigerant enters the water-side heat exchanger 32 from the compressor 31 through the second square valve 38; and the operation mode of the fourth and sixth diagrams is that the refrigerant is returned to the compressor from the fifth line 305. At 31 o'clock, the second square valve 38 is passed first. From the above operation, it can constitute an operation mode that only provides air-conditioning.
再者,請參閱第7、8、9圖之另一具體結構實施例,其結構組成與上述者大致相同,但不同處係指:冷煤流向經由水側熱交換器32、第一四方閥33之後,係先經由第二膨脹裝置36進入室外熱交換器35,再回到壓縮機31。 Furthermore, please refer to another specific structural embodiment of Figures 7, 8, and 9, which has substantially the same structural composition as the above, but the difference means that the cold coal flows through the water side heat exchanger 32 and the first square. After the valve 33, it enters the outdoor heat exchanger 35 via the second expansion device 36 and returns to the compressor 31.
其結構組成不同處為:其冷媒管路30′包含一第七管線307、一第八管線308、一第九管線309及一第十管線3010(如第7、8、9圖),壓縮機31以第七管線307依序通過水側熱交換器32及第一四方閥33而連接至第二膨脹裝置36,第二膨脹裝置36以第八管線308連接室外熱交換器35,室外熱交換器35以第九管線309通過第一四方閥33而連接回到壓縮機31。又,第十管線3010之一端通過第一膨脹裝置34而連 接至第八管線308,且第十管線3010之另一端通過室內熱交換器37而連接至第九管線309。 The structural composition is different: the refrigerant pipeline 30' includes a seventh pipeline 307, an eighth pipeline 308, a ninth pipeline 309, and a tenth pipeline 3010 (as shown in Figures 7, 8, and 9), and the compressor 31 is connected to the second expansion device 36 through the water side heat exchanger 32 and the first square valve 33 in sequence, and the second expansion device 36 is connected to the outdoor heat exchanger 35 by the eighth line 308. The exchanger 35 is connected back to the compressor 31 via a first square valve 33 in a ninth line 309. Moreover, one end of the tenth line 3010 is connected by the first expansion device 34 Connected to the eighth line 308, and the other end of the tenth line 3010 is connected to the ninth line 309 by the indoor heat exchanger 37.
其次,水側熱交換器32與第一四方閥33間的第一管線301可增設一第二四方閥38(如第8圖),且第十管線3010係連通第二四方閥38後再連至第九管線309。再者,第二四方閥38亦可設置於水側熱交換器32與壓縮機31之間的第七管線307(如第9圖),且第十管線3010亦連通第二四方閥38後再連至第九管線309。 Next, a second square valve 38 (as shown in FIG. 8) may be added to the first line 301 between the water side heat exchanger 32 and the first square valve 33, and the tenth line 3010 is connected to the second square valve 38. It is then connected to the ninth line 309. Furthermore, the second square valve 38 may also be disposed in the seventh line 307 between the water side heat exchanger 32 and the compressor 31 (as shown in FIG. 9), and the tenth line 3010 is also connected to the second square valve 38. It is then connected to the ninth line 309.
承上,其實施模式如下: According to the above, its implementation model is as follows:
(c)熱水模式:包含第7、8、9圖,控制單元1控制而使第一膨脹裝置34及室內熱交換器37關閉而運作時,水側熱交換器32將由第七管線307來自壓縮機31之高壓氣態冷媒冷凝成液態冷媒且提供熱量予儲水桶21(另如第9圖,壓縮機31輸出之高壓氣態冷媒先經過第二四方閥38,再至水側熱交換器32),冷媒流經第一四方閥33而至第二膨脹裝置36調節流量與壓降而成低溫低壓液氣共存冷媒(另如第8圖,冷媒先流經第二四方閥38後,再至第一四方閥33),再由第八管線308流經室外熱交換器35蒸發成低壓氣態,再經第九管線309通過第一四方閥33回到壓縮機31,而形成僅能提供熱水的運作模式。 (c) Hot water mode: Including the seventh, eighth, and ninth diagrams, when the control unit 1 controls to operate the first expansion device 34 and the indoor heat exchanger 37 to be closed, the water side heat exchanger 32 will be derived from the seventh line 307. The high-pressure gaseous refrigerant of the compressor 31 is condensed into a liquid refrigerant and supplied with heat to the water storage tank 21 (again, as shown in Fig. 9, the high-pressure gaseous refrigerant output from the compressor 31 passes through the second square valve 38 and then to the water side heat exchanger 32. The refrigerant flows through the first four-way valve 33 to the second expansion device 36 to adjust the flow rate and the pressure drop to form a low-temperature low-pressure liquid-gas coexisting refrigerant (again, FIG. 8 , after the refrigerant first flows through the second square valve 38) Then, the first four-way valve 33) is further evaporated from the eighth line 308 through the outdoor heat exchanger 35 into a low-pressure gas state, and then returned to the compressor 31 through the first square valve 33 via the ninth line 309, thereby forming only A mode of operation that provides hot water.
據上之具體實施例結構組成及實施說明,可知本發明在管路及構件配置合理化之外,經由控制單元1設定冷煤之流向而使其合理化,以適用於多種冷熱需求的運作模式,且重要的是不會有過度壓降、膨脹的問題,而可排除影響系統性 能效益的缺失,而達到實質具多功能熱泵空調模式的操作優異性。 According to the structural composition and the implementation description of the specific embodiment, it can be seen that the present invention is rationalized by setting the flow direction of the cold coal through the control unit 1 in addition to the rationalization of the pipeline and the component arrangement, so as to be applicable to various operation modes of the cold and heat demand, and The important thing is that there will be no problem of excessive pressure drop and expansion, but the systemicity can be ruled out. The lack of efficiency can achieve the operational excellence of a multi-functional heat pump air conditioning mode.
綜上所述,本發明確實已改善現有多功能熱泵空調系統的缺點,使得熱水及冷氣、冷氣、熱水之能源效率均能達到實質高性能的效益,故已確實具有產業利用性、新穎性與進步性,符合發明專利的專利要件。惟以上所述者,僅為說明本發明之較佳實施例而已,當不能以此限定本發明實施之範圍,即凡依本發明申請專利範圍及說明書內容所作之簡單的等效變化與修飾,皆應仍屬本發明專利涵蓋之範圍內。 In summary, the present invention has indeed improved the shortcomings of the existing multi-function heat pump air conditioning system, so that the energy efficiency of hot water and cold air, cold air, and hot water can achieve substantial high performance benefits, so it has indeed industrial utilization and novelty. Sex and progressive, in line with the patent requirements of the invention patent. However, the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, All should remain within the scope of the invention patent.
1‧‧‧控制單元 1‧‧‧Control unit
2‧‧‧熱水單元 2‧‧ ‧ hot water unit
21‧‧‧儲水桶 21‧‧ ‧ water bucket
22‧‧‧泵浦 22‧‧‧ pump
23‧‧‧進液管 23‧‧‧Inlet pipe
24‧‧‧出液管 24‧‧‧Draining tube
25‧‧‧流量計 25‧‧‧ Flowmeter
3‧‧‧熱交換組 3‧‧‧Hot Exchange Group
31‧‧‧壓縮機 31‧‧‧Compressor
32‧‧‧水側熱交換器 32‧‧‧Waterside heat exchanger
33‧‧‧第一四方閥 33‧‧‧First four square valve
34‧‧‧第一膨脹裝置 34‧‧‧First expansion device
35‧‧‧室外熱交換器 35‧‧‧Outdoor heat exchanger
351‧‧‧第一風扇 351‧‧‧First fan
36‧‧‧第二膨脹裝置 36‧‧‧Second expansion device
37‧‧‧室內熱交換器 37‧‧‧ indoor heat exchanger
371‧‧‧第二風扇 371‧‧‧second fan
30‧‧‧冷媒管路 30‧‧‧Refrigerant piping
301‧‧‧第一管線 301‧‧‧First pipeline
302‧‧‧第二管線 302‧‧‧Second pipeline
303‧‧‧第三管線 303‧‧‧ third pipeline
304‧‧‧第四管線 304‧‧‧fourth pipeline
305‧‧‧第五管線 305‧‧‧ fifth pipeline
306‧‧‧第六管線 306‧‧‧ sixth pipeline
Claims (15)
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