CN206310570U - A kind of system of utilization Working fluid phase changing refrigeration and heating hot-water supply - Google Patents
A kind of system of utilization Working fluid phase changing refrigeration and heating hot-water supply Download PDFInfo
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Abstract
本实用新型公开了一种利用工质相变制冷供暖供应热水的系统，其包括压缩机、第一换热器、第二换热器、第一毛细管、气‑液型换热器、第一两位三通阀、第二两位三通阀，三位三通阀，压缩机的出气口或进气口与三位三通阀的相连，三位三通阀的其余两个开口分别与气‑液型换热器的气相入口和第二换热器相连，第二换热器通过第一毛细管与第一换热器相连，第一两位三通阀的其余两个开口分别与第一换热器和气‑液型换热器的气相入口相连，所述气‑液型换热器的液相入口与冷水管相连接，出口通过储热水箱与室内热水管相连接。本实用新型结构简单、可以分别适应不同的工况，不仅合理的利用了能源，有效的提高了能源利用率，而且环保节能，实用性非常高。
The utility model discloses a system for cooling, heating and supplying hot water by using the phase change of working fluid, which comprises a compressor, a first heat exchanger, a second heat exchanger, a first capillary tube, a gas-liquid heat exchanger, a second A two-position three-way valve, a second two-position three-way valve, and a three-position three-way valve. The air outlet or inlet of the compressor is connected to the three-position three-way valve. It is connected with the gas phase inlet of the gas-liquid heat exchanger and the second heat exchanger, the second heat exchanger is connected with the first heat exchanger through the first capillary tube, and the other two openings of the first two-position three-way valve are respectively connected with the The first heat exchanger is connected to the gas phase inlet of the gas-liquid heat exchanger, the liquid phase inlet of the gas-liquid heat exchanger is connected to the cold water pipe, and the outlet is connected to the indoor hot water pipe through the hot water storage tank. The utility model has a simple structure and can be respectively adapted to different working conditions, not only rationally utilizes energy, but also effectively improves the energy utilization rate, and is environmentally friendly and energy-saving, and has very high practicability.
Description
技术领域technical field
本实用新型涉及制冷供暖供应热水的系统，尤其涉及一种利用工质相变制冷供暖供应热水的系统。The utility model relates to a system for cooling, heating and supplying hot water, in particular to a system for cooling, heating and supplying hot water by using the phase change of working medium.
背景技术Background technique
随着暖通空调领域技术的不断发展，一些满足生活舒适性需求的产品层出不穷，尤以家用空调为代表的普及最为典型，近几年来热泵技术的不断发展也促进了空气能热水器的产品的飞速发展及应用。但家用空调等产品在实际运行工作过程中普遍存在着运行效率低下的缺点，究其根本原因还是在于风冷式换热器以空气作为冷却工质相对于液体的换热在同样情况下换热效率是很低的。而且在制冷工况下，室外机冷凝器直接把热量排放到空气中，加剧了城市的热污染，且在一定程度上加剧了城市的热岛效应，给人们的生活环境造成了污染。如何能找到一种方法寻找一种方法去回收这些热量并加以利用将大大提高我们的能源利用率，并间接的起到保护环境的作用。而同样素以“高效节能”著称的空气能热水器，其在正常工作时却把冷量直接排放到室外空气中，造成了浪费，同样若能寻找一种方法将空气能热水器工作时的冷量用以夏季满足人们对空气调节的需求，亦将大大节约能源。综上所述若能寻找一种方法同时用以制备热水、制冷及供热不仅能大大提高能源利用率，且此三种功能亦可由一个设备实现，可节约制造成本。With the continuous development of technology in the field of HVAC, some products that meet the needs of life comfort emerge in an endless stream, especially the popularization of household air conditioners. In recent years, the continuous development of heat pump technology has also promoted the rapid development of air energy water heater products. development and application. However, household air conditioners and other products generally have the disadvantage of low operating efficiency during actual operation. The efficiency is very low. Moreover, under cooling conditions, the condenser of the outdoor unit directly discharges heat into the air, which aggravates the thermal pollution of the city, and to a certain extent, aggravates the urban heat island effect, causing pollution to people's living environment. How to find a way to find a way to recover these heat and use it will greatly improve our energy efficiency, and indirectly play a role in protecting the environment. However, the air-energy water heater, which is also known as "high efficiency and energy saving", directly discharges the cooling capacity into the outdoor air during normal operation, causing waste. It is used to meet people's demand for air conditioning in summer, and will also greatly save energy. To sum up, if a method can be found for preparing hot water, cooling and heating at the same time, not only can the energy utilization rate be greatly improved, but also these three functions can be realized by one device, which can save manufacturing costs.
实用新型内容Utility model content
本实用新型所要解决的技术问题在于针对上述现有技术存在的不足提供一种能大大提高能源利用率的利用工质相变制冷供暖供应热水的系统。The technical problem to be solved by the utility model is to provide a system for cooling, heating and supplying hot water by using the phase change of working fluid, which can greatly improve the energy utilization rate.
本实用新型所采用的技术方案为：一种利用工质相变制冷供暖供应热水的系统，其包括压缩机、第一换热器、第二换热器、第一毛细管，其特征在于：还包括气-液型换热器、第一两位三通阀、第二两位三通阀，三位三通阀，所述压缩机的出气口或进气口与三位三通阀的A口相连，三位三通阀的B口与气-液型换热器的气相入口相连接，C口与第二换热器相连，所述第二换热器通过第一毛细管与第一换热器相连，所述压缩机的进气口或出气口与第一两位三通阀的A口相连，第一两位三通阀的B口与第一换热器相连，C口与气-液型换热器的气相入口相连，所述气-液型换热器气相出口与第二两位三通阀的A口相连，第二两位三通阀的B口与第一换热器相连，所述气-液型换热器的液相入口与冷水管相连接，出口通过储热水箱与室内热水管相连接。The technical solution adopted by the utility model is: a system for cooling, heating and supplying hot water by using the phase change of working fluid, which includes a compressor, a first heat exchanger, a second heat exchanger, and a first capillary tube, and is characterized in that: It also includes a gas-liquid heat exchanger, a first two-position three-way valve, a second two-position three-way valve, and a three-position three-way valve. Port A is connected, port B of the three-position three-way valve is connected to the gas phase inlet of the gas-liquid heat exchanger, port C is connected to the second heat exchanger, and the second heat exchanger is connected to the first heat exchanger through the first capillary tube. The heat exchanger is connected, the air inlet or outlet of the compressor is connected with the A port of the first two-position three-way valve, the B port of the first two-position three-way valve is connected with the first heat exchanger, and the C port is connected with the first two-position three-way valve. The gas-phase inlet of the gas-liquid heat exchanger is connected, the gas-phase outlet of the gas-liquid heat exchanger is connected to the A port of the second two-position three-way valve, and the B port of the second two-position three-way valve is connected to the first exchange port. The heat exchanger is connected, the liquid phase inlet of the gas-liquid heat exchanger is connected with the cold water pipe, and the outlet is connected with the indoor hot water pipe through the hot water storage tank.
按上述技术方案，还包括第二毛细管，第二两位三通阀的C口与第二毛细管相连，第二毛细管与第一换热器相连。According to the above technical solution, it also includes a second capillary, the port C of the second two-position three-way valve is connected to the second capillary, and the second capillary is connected to the first heat exchanger.
按上述技术方案，在储热水箱内配置有电加热装置和温控开关。According to the above technical scheme, an electric heating device and a temperature control switch are arranged in the hot water storage tank.
按上述技术方案，第二换热器还配置有辅助电加热装置。According to the above technical solution, the second heat exchanger is also equipped with an auxiliary electric heating device.
按上述技术方案，所述压缩机通过四通换向阀分别与第一两位三通阀和三位三通阀相连。According to the above technical solution, the compressor is respectively connected to the first two-position three-way valve and the three-position three-way valve through the four-way reversing valve.
按上述技术方案，还包括PLC控制器。According to the above technical solution, a PLC controller is also included.
本实用新型所取得的有益效果为：The beneficial effects obtained by the utility model are:
1、本实用新型结构简单、可以分别适应不同的工况，不仅合理的利用了能源，有效的提高了能源利用率，而且环保节能，实用性非常高；1. The utility model has a simple structure and can be adapted to different working conditions. It not only makes reasonable use of energy, but also effectively improves the utilization rate of energy. It is also environmentally friendly and energy-saving, and has very high practicability;
2、本发明结构紧凑，管道布置合理。2. The present invention has compact structure and reasonable pipeline arrangement.
附图说明Description of drawings
图1为本实用新型的一种状态示意图。Fig. 1 is a schematic diagram of a state of the utility model.
图2为本实用新型的另外一种状态示意图。Fig. 2 is a schematic diagram of another state of the present invention.
具体实施方式detailed description
下面结合附图对本实用新型作进一步说明。Below in conjunction with accompanying drawing, the utility model is further described.
如图1、2所示，本实施例提供了一种利用工质相变制冷供暖供应热水的系统，其包括压缩机10、第一换热器3、第二换热器7、第一毛细管6、第二毛细管5、PLC控制器11、气-液型换热器2、第一两位三通阀1、第二两位三通阀4、三位三通阀8，所述压缩机10的出气口或进气口与三位三通阀8的A口相连，三位三通阀8的B口与气-液型换热器2的气相入口相连接，C口与第二换热器7相连，所述第二换热器7通过第一毛细管6与第一换热器3相连，所述压缩机10的进气口或出气口与第一两位三通阀1的A口相连，第一两位三通阀1的B口与第一换热器3相连，C口与气-液型换热器2的气相入口相连，所述气-液型换热器2气相出口与第二两位三通阀4的A口相连，第二两位三通阀4的B口与第一换热器3相连，第二两位三通阀4的C口与第二毛细管5相连，第二毛细管5与第一换热器3相连，所述气-液型换热器2的液相入口与冷水管(或市政给水管)相连接，出口通过储热水箱12与室内热水管相连接。As shown in Figures 1 and 2, this embodiment provides a system for supplying hot water for refrigeration, heating, and hot water using phase change of working medium, which includes a compressor 10, a first heat exchanger 3, a second heat exchanger 7, a first Capillary 6, second capillary 5, PLC controller 11, gas-liquid heat exchanger 2, first two-position three-way valve 1, second two-position three-way valve 4, three-position three-way valve 8, the compression The air outlet or air inlet of the machine 10 is connected with the A port of the three-position three-way valve 8, the B port of the three-position three-way valve 8 is connected with the gas phase inlet of the gas-liquid heat exchanger 2, and the C port is connected with the second The heat exchanger 7 is connected, the second heat exchanger 7 is connected with the first heat exchanger 3 through the first capillary tube 6, the air inlet or the air outlet of the compressor 10 is connected with the first two-position three-way valve 1 Port A is connected, port B of the first two-position three-way valve 1 is connected to the first heat exchanger 3, port C is connected to the gas phase inlet of the gas-liquid heat exchanger 2, and the gas-liquid heat exchanger 2 The gas phase outlet is connected to port A of the second two-position three-way valve 4, port B of the second two-position three-way valve 4 is connected to the first heat exchanger 3, and port C of the second two-position three-way valve 4 is connected to the second The capillary 5 is connected, the second capillary 5 is connected with the first heat exchanger 3, the liquid phase inlet of the gas-liquid heat exchanger 2 is connected with the cold water pipe (or municipal water supply pipe), and the outlet passes through the hot water storage tank 12 Connect with indoor hot water pipe.
其中，本实用新型中，选择压缩机10的出气口通过四通换向阀9及第一两位三通阀1与第一换热器3相连，第二换热器7通过三位三通阀8及四通换向阀9与压缩机的进气口相连，其结构图如图1所示，其可实现如下两种工况：Among them, in the utility model, the air outlet of the selection compressor 10 is connected to the first heat exchanger 3 through the four-way reversing valve 9 and the first two-position three-way valve 1, and the second heat exchanger 7 is connected through the three-position three-way valve. The valve 8 and the four-way reversing valve 9 are connected to the air inlet of the compressor, and its structure diagram is shown in Figure 1, which can realize the following two working conditions:
I：仅提供夏季空气调节制冷的需求；I: Only provide the demand for air conditioning and cooling in summer;
II：夏季同时供冷和供生活热水的需求；II: Demand for both cooling and domestic hot water supply in summer;
当选择压缩机的出气口通过四通换向阀及三位三通阀与第二换热器相连，第一换热器通过第一两位三通阀及四通换向阀与压缩机的进气口相连，其结构示意图如图2所示，其可实现如下三种工况：When the air outlet of the compressor is selected to be connected to the second heat exchanger through the four-way reversing valve and the three-position three-way valve, the first heat exchanger is connected to the compressor through the first two-position three-way valve and the four-way reversing valve. The air inlets are connected, and its structural diagram is shown in Figure 2, which can realize the following three working conditions:
III：仅提供冬季室内空气调节供热的需求；III: Only provide the demand for indoor air conditioning and heating in winter;
IV：同时提供冬季室内供热及供生活热水的需求；IV: Simultaneously provide the demand for indoor heating and domestic hot water supply in winter;
V：无论季节时令，随时提供生活热水的需求。V: Provide domestic hot water at any time regardless of the season.
下面对以上五种工况分别予以阐述：The above five working conditions are described below:
为实现上述I工况，各阀门的导通情况为：四通换向阀9的A、B导通，D、C口导通,第一两位三通阀1的A、B口导通，三位三通阀8的A、C口导通,此时第一换热器3为冷凝器，第二换热器7为蒸发器，其中，气-液型换热器2不工作，此工况与家用空调的制冷工况相同；In order to realize the above I working condition, the conduction of each valve is as follows: the A and B ports of the four-way reversing valve 9 are in conduction, the D and C ports are in conduction, and the A and B ports of the first two-position three-way valve 1 are in conduction. , the ports A and C of the three-position three-way valve 8 are connected. At this time, the first heat exchanger 3 is a condenser, and the second heat exchanger 7 is an evaporator, wherein the gas-liquid heat exchanger 2 does not work. This working condition is the same as the refrigeration working condition of the household air conditioner;
为实现上述II工况，各阀门导通情况为:四通换向阀9的A、B导通，D、C口导通,第一两位三通阀1的A、C口导通，第二两位三通阀4的A、B口导通，三位三通阀8的A、C口导通，此时气-液型换热器2工作冷却制冷剂同时制备热水，第二换热器7为蒸发器，并向室内供冷；In order to realize the above-mentioned II working conditions, the conduction conditions of each valve are as follows: the A and B ports of the four-way reversing valve 9 are conducted, the D and C ports are conducted, and the A and C ports of the first two-position three-way valve 1 are conducted. The A and B ports of the second two-position three-way valve 4 are connected, and the A and C ports of the three-position three-way valve 8 are connected. At this time, the gas-liquid heat exchanger 2 works to cool the refrigerant and prepare hot water at the same time. The second heat exchanger 7 is an evaporator and supplies cooling to the room;
为实现上述III工况，各阀门导通情况为:四通换向阀9的A、D口导通，B、C口导通，三位三通阀8的A、C口导通，第一两位三通阀1的A、B口导通，此时第二换热器7为冷凝器向室内供热，第一换热器3为蒸发器，气-液型换热器2不工作，此工况与家用空调的制热工况相同；In order to realize the above-mentioned III working conditions, the conduction conditions of each valve are as follows: the A and D ports of the four-way reversing valve 9 are conducted, the B and C ports are conducted, the A and C ports of the three-position three-way valve 8 are conducted, and the third port is connected. The A and B ports of the one-two-position three-way valve 1 are connected. At this time, the second heat exchanger 7 is a condenser to supply heat to the room, the first heat exchanger 3 is an evaporator, and the gas-liquid heat exchanger 2 is not Working, this working condition is the same as the heating working condition of the household air conditioner;
为实现上述IV工况，各阀门导通情况为:四通换向阀9的A、D口导通，B、C口导通，三位三通阀8的A、C口和A、B口同时导通，第一两位三通阀1的A、B口导通，第二两位三通阀4的A、C口导通，此时第二换热器7为冷凝器向室内供热，气-液型换热器2工作制备热水，第一换热器3为蒸发器；In order to realize the above-mentioned IV working conditions, the conduction conditions of each valve are as follows: the A and D ports of the four-way reversing valve 9 are conducted, the B and C ports are conducted, and the A and C ports of the three-position three-way valve 8 are connected to the A and B ports. Ports are connected at the same time, A and B ports of the first two-two three-way valve 1 are connected, and A and C ports of the second two-two three-way valve 4 are connected. At this time, the second heat exchanger 7 is a condenser to the indoor For heating, the gas-liquid heat exchanger 2 works to prepare hot water, and the first heat exchanger 3 is an evaporator;
为实现上述V工况，各阀门导通情况为:四通换向阀9的A、D口导通，B、C口导通，三位三通阀8的A、B口导通，第一两位三通阀1的A、B口导通，第二两位三通阀4的A、C口导通，此时气-液型换热器2工作制备热水，第一换热器3为蒸发器。In order to realize the above-mentioned V working conditions, the conduction conditions of each valve are as follows: the A and D ports of the four-way reversing valve 9 are conducted, the B and C ports are conducted, the A and B ports of the three-position three-way valve 8 are conducted, and the A and B ports of the three-position three-way valve 8 are conducted. The A and B ports of the first two-position three-way valve 1 are connected, and the A and C ports of the second two-position three-way valve 4 are connected. At this time, the gas-liquid heat exchanger 2 is working to prepare hot water, and the first heat exchange Device 3 is an evaporator.
除上述各种工况及组成部件外，储热水箱12中应设有独立的电加热装置13，并加装温控开关，当气-液型换热器2工作制备的热水达不到设定的温度时，电加热装置应能自动启动以加热储热水器中的热水达到设定温度，并待水温达到设定温度时电加热装置应能自动关闭。同时室内机第二换热器7亦应设独立辅助电加热装置，在向室内供热时，若室外温度过低蒸发器不能正常工作时，电加热装置应能启动，辅助加热以满足室内供热的要求。其中,冷凝器和蒸发器都是风冷的，与家用空调相同。In addition to the various working conditions and components mentioned above, an independent electric heating device 13 should be installed in the hot water storage tank 12, and a temperature control switch should be installed. When the hot water prepared by the gas-liquid heat exchanger 2 does not reach When the set temperature is reached, the electric heating device should be able to automatically start to heat the hot water in the water storage heater to the set temperature, and the electric heating device should be able to automatically shut down when the water temperature reaches the set temperature. At the same time, the second heat exchanger 7 of the indoor unit should also be equipped with an independent auxiliary electric heating device. When supplying heat to the room, if the outdoor temperature is too low and the evaporator cannot work normally, the electric heating device should be able to start, and the auxiliary heating can meet the needs of the indoor supply. hot request. Among them, both the condenser and the evaporator are air-cooled, which is the same as the household air conditioner.
以上个阀门的启闭、导通情况及独立电加热装置的工作与否，均由PLC控制器控制。The opening and closing and conduction of the above valves and the operation of the independent electric heating device are all controlled by the PLC controller.
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| CN109595720A (en) * | 2018-12-11 | 2019-04-09 | 际高科技有限公司 | A kind of multi-connected machine capillary radiation system |
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| CN109595720A (en) * | 2018-12-11 | 2019-04-09 | 际高科技有限公司 | A kind of multi-connected machine capillary radiation system |
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