CN106352558A - Solar instant heat pump water heater - Google Patents
Solar instant heat pump water heater Download PDFInfo
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- CN106352558A CN106352558A CN201610722887.4A CN201610722887A CN106352558A CN 106352558 A CN106352558 A CN 106352558A CN 201610722887 A CN201610722887 A CN 201610722887A CN 106352558 A CN106352558 A CN 106352558A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
本发明提供了一种太阳能即热式热泵热水器，包括：太阳能加热单元、直接加热单元以及热泵加热单元，直接加热单元包含热水箱以及加热器，热泵加热单元具有冷凝器，太阳能加热单元通过管路与热水箱连接，用于吸收太阳能来加热热水箱中待加热的水，冷凝器设置在热水箱内，用于冷凝时放热对热水箱中待加热的水进行加热，冷凝器还能与热水箱并联设置，热水箱具有外循环管路，用于吸收冷凝器冷凝时放出的热量对水进行加热，加热后的水通过外循环管路返回到热水箱中。本发明的太阳能即热式热泵热水器不仅结构简单、安全高效，并可根据环境自由调节，提高了整体的利用率，节能环保，热水也能即开即用，方便快捷，具有广阔的应用前景。
The invention provides a solar instant heat pump water heater, comprising: a solar heating unit, a direct heating unit and a heat pump heating unit, the direct heating unit includes a hot water tank and a heater, the heat pump heating unit has a condenser, and the solar heating unit passes through a tube The road is connected with the hot water tank, which is used to absorb solar energy to heat the water to be heated in the hot water tank. The condenser can also be installed in parallel with the hot water tank. The hot water tank has an external circulation pipeline for absorbing the heat released by the condenser to heat the water, and the heated water returns to the hot water tank through the external circulation pipeline. The solar energy instant heat pump water heater of the present invention is not only simple in structure, safe and efficient, but also can be adjusted freely according to the environment, which improves the overall utilization rate, is energy-saving and environmentally friendly, and hot water can be used immediately, which is convenient and quick, and has broad application prospects .
Description
技术领域technical field
本发明属于家用电器领域，具体涉及一种太阳能即热式热泵热水器。The invention belongs to the field of household appliances, and in particular relates to a solar energy instantaneous heat pump water heater.
背景技术Background technique
热泵通常是先从自然界的空气、水或土壤中获取低品位热能，经过电力做功，然后再向人们提供可被利用的高品位热能。空气源热泵是当今世界上最先进的能源利用产品之一。随着经济的快速发展与人们生活品位的提高，生活用热水已成为人们的生活必需品，然而传统的热水器(电热水器，燃油、气热水器)具有能耗大、费用高、污染严重、安全性差、使用寿命短等缺点；而太阳能热水器虽然节能环保，但是其运行又受到气象条件的制约，难以广泛推广应用。Heat pumps usually first obtain low-grade heat energy from natural air, water or soil, and then provide people with high-grade heat energy that can be used through electricity. Air source heat pump is one of the most advanced energy utilization products in the world today. With the rapid development of the economy and the improvement of people's living standards, domestic hot water has become a necessity for people's daily life. However, traditional water heaters (electric water heaters, fuel oil, gas water heaters) have large energy consumption, high cost, serious pollution, and poor safety. , short service life and other shortcomings; although solar water heaters are energy-saving and environmentally friendly, their operation is restricted by meteorological conditions, so it is difficult to be widely used.
传统的空气源热泵以空气为低温热源，并以电能为动力从低温侧吸取热量来加热生活用水，热水通过循环系统直接送入用户家中作为热水供应或利用风机盘管进行小面积采暖。尽管目前空气源热泵的性能系数较高，但是，在运行过程中仍旧会消耗较多的电能，在学校宿舍、酒店、洗浴中心等场所的大、中、小热水集中供应系统中，不利于节能环保。而且，为了避免压缩机的频繁启停，目前的热泵热水器难以做到即开即用。The traditional air source heat pump uses air as the low-temperature heat source, and uses electric energy as the power to draw heat from the low-temperature side to heat domestic water. The hot water is sent directly to the user's home through the circulation system as hot water supply or uses fan coils for small-area heating. Although the coefficient of performance of the air source heat pump is relatively high at present, it still consumes more electric energy during operation, which is not conducive to the large, medium and small hot water centralized supply systems in school dormitories, hotels, bathing centers and other places. Energy saving and environmental protection. Moreover, in order to avoid the frequent start and stop of the compressor, it is difficult for the current heat pump water heater to be used immediately.
发明内容Contents of the invention
本发明是为了解决上述问题而进行的，目的在于提供一种能够即开即用，节能环保，安全高效的太阳能即热式热泵热水器。The present invention is made in order to solve the above problems, and the purpose is to provide a solar instant heat pump water heater that can be used immediately, energy saving, environmental protection, safety and high efficiency.
本发明提供了一种太阳能即热式热泵热水器，具有这样的特征，包括：太阳能加热单元、直接加热单元以及热泵加热单元，直接加热单元包含热水箱以及设置在热水箱内的加热器，热泵加热单元包括冷凝器，太阳能加热单元通过管路与热水箱连接，用于吸收太阳能来加热热水箱中待加热的水，冷凝器设置在热水箱内，用于冷凝时放热对热水箱中待加热的水进行加热。The present invention provides a solar energy instantaneous heat pump water heater, which has such features, including: a solar heating unit, a direct heating unit and a heat pump heating unit, the direct heating unit includes a hot water tank and a heater arranged in the hot water tank, The heat pump heating unit includes a condenser. The solar heating unit is connected to the hot water tank through pipelines, which is used to absorb solar energy to heat the water to be heated in the hot water tank. The water to be heated in the hot water tank is heated.
本发明还提供了一种太阳能即热式热泵热水器，具有这样的特征，包括：太阳能加热单元、直接加热单元以及热泵加热单元，直接加热单元包含热水箱以及设置在热水箱内的加热器，热泵加热单元包括冷凝器，太阳能加热单元通过管路与热水箱连接，用于吸收太阳能来加热热水箱中待加热的水，热水箱具有外循环管路，该外循环管路设置在冷凝器内，用于吸收冷凝器冷凝时放出的热量对外循环管路中的水进行加热。The present invention also provides a solar instant heat pump water heater, which has such features, including: a solar heating unit, a direct heating unit and a heat pump heating unit, the direct heating unit includes a hot water tank and a heater arranged in the hot water tank , the heat pump heating unit includes a condenser, the solar heating unit is connected with the hot water tank through pipelines, and is used to absorb solar energy to heat the water to be heated in the hot water tank, and the hot water tank has an external circulation pipeline, and the external circulation pipeline is set In the condenser, it is used to absorb the heat released when the condenser condenses to heat the water in the external circulation pipeline.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征：其中，太阳能加热单元为平板集热器或真空管集热器。In the solar instant heat pump water heater provided by the present invention, it may also have such a feature: wherein, the solar heating unit is a flat plate heat collector or a vacuum tube heat collector.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征：其中，直接加热单元为电热水器或燃气热水器。In the solar instantaneous heat pump water heater provided by the present invention, it may also have such a feature: wherein, the direct heating unit is an electric water heater or a gas water heater.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征：其中，直接加热单元还包括设置在热水箱内的均流器、水位仪以及复数个温度传感器。In the solar instant heat pump water heater provided by the present invention, it may also have such a feature: wherein, the direct heating unit further includes a flow equalizer, a water level gauge and a plurality of temperature sensors arranged in the hot water tank.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征：其中，热泵加热单元还包括与冷凝器串联成回路的压缩机、膨胀阀、蒸发器以及干燥过滤器。In the solar instant heat pump water heater provided by the present invention, it may also have such a feature: wherein, the heat pump heating unit further includes a compressor connected in series with the condenser, an expansion valve, an evaporator and a dry filter.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征：其中，外循环管路与热水器之间设置有三通阀。In the solar instantaneous heat pump water heater provided by the present invention, it may also have such a feature: wherein, a three-way valve is arranged between the external circulation pipeline and the water heater.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征：其中，冷凝器为冷凝盘管、套管式换热器以及板式换热器中的任意一种。In the solar instantaneous heat pump water heater provided by the present invention, it may also have such a feature: wherein, the condenser is any one of a condensing coil, a casing heat exchanger and a plate heat exchanger.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征：其中，膨胀阀为毛细管、热力膨胀阀以及电子膨胀阀中的任意一种。In the solar instant heat pump water heater provided by the present invention, it may also have the feature that the expansion valve is any one of a capillary tube, a thermal expansion valve and an electronic expansion valve.
在本发明提供的太阳能即热式热泵热水器中，还可以具有这样的特征，还包括：控制单元，设置在热水箱上，用于控制热水箱内水的温度、热水箱的水位、压缩机吸排气压力以及压缩机的温度。In the solar instant heat pump water heater provided by the present invention, it may also have such a feature, further comprising: a control unit, arranged on the hot water tank, for controlling the temperature of the water in the hot water tank, the water level of the hot water tank, Compressor suction and discharge pressure and compressor temperature.
发明的作用与效果Function and Effect of Invention
根据本发明所涉及的太阳能即热式热泵热水器，因为太阳能加热单元能够吸收太阳能来加热热水箱中的待加热的水，同时直接加热单元中的加热器也能够加热热水箱中的待加热的水，另外，热泵加热单元能够吸收外界热量使得冷凝器冷凝时放热对热水箱的待加热的水进行加热，所以，本发明的太阳能即热式热泵热水器不仅结构简单、安全高效，而且充分结合了三种不同的加热方式，并可根据环境自由调节，提高了整体的利用率，节能环保，热水也能即开即用，方便快捷，非常适用于我国的国情，具有广阔的应用前景。According to the solar energy instantaneous heat pump water heater involved in the present invention, because the solar heating unit can absorb solar energy to heat the water to be heated in the hot water tank, at the same time, the heater in the direct heating unit can also heat the water to be heated in the hot water tank. In addition, the heat pump heating unit can absorb external heat so that when the condenser condenses, it will release heat to heat the water to be heated in the hot water tank. Therefore, the solar instant heat pump water heater of the present invention is not only simple in structure, safe and efficient, but also It fully combines three different heating methods and can be adjusted freely according to the environment, which improves the overall utilization rate, energy saving and environmental protection, hot water can also be used immediately, convenient and fast, very suitable for my country's national conditions, and has a wide range of applications prospect.
附图说明Description of drawings
图1是本发明的实施例一中太阳能即热式热泵热水器的结构示意图；以及Fig. 1 is a schematic structural view of a solar instant heat pump water heater in Embodiment 1 of the present invention; and
图2是本发明的实施例二中太阳能即热式热泵热水器的结构示意图。Fig. 2 is a schematic structural view of the solar energy instant heat pump water heater in the second embodiment of the present invention.
具体实施方式detailed description
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，以下实施例结合附图对本发明的太阳能即热式热泵热水器作具体阐述。In order to make the technical means, creative features, goals and effects of the present invention easy to understand, the following embodiments will specifically illustrate the solar energy instant heat pump water heater of the present invention in conjunction with the accompanying drawings.
<实施例一><Example 1>
图1是本发明的实施例一中太阳能即热式热泵热水器的结构示意图。Fig. 1 is a schematic structural view of a solar energy instant heat pump water heater in Embodiment 1 of the present invention.
如图1所示，本实施例中，太阳能即热式热泵热水器100设置在用户的阳台上，它的入口连通自来水管，由自来水管提供冷水，出口通过管路连通至厨房、卫生间等处。太阳能即热式热泵热水器100包括直接加热单元10、太阳能加热单元20、热泵加热单元30以及控制单元40。As shown in Fig. 1, in this embodiment, the solar energy instantaneous heat pump water heater 100 is arranged on the user's balcony, and its inlet is connected to a tap water pipe to provide cold water, and the outlet is connected to the kitchen, bathroom, etc. through pipelines. The solar instantaneous heat pump water heater 100 includes a direct heating unit 10 , a solar heating unit 20 , a heat pump heating unit 30 and a control unit 40 .
直接加热单元10在本实施例中为电热水器10，它包括热水箱11、电加热器12、均流器13、水位仪(图中未显示)以及温度传感器14。此外，直接加热单元10还可以为燃气热水器。The direct heating unit 10 is an electric water heater 10 in this embodiment, which includes a hot water tank 11 , an electric heater 12 , a flow equalizer 13 , a water level gauge (not shown in the figure) and a temperature sensor 14 . In addition, the direct heating unit 10 may also be a gas water heater.
热水箱11呈圆筒形，它的底部中央设置有进水口，该进水口通过管路与自来水管连通，它的上部具有出水口，出水口通过管路连通至厨房、卫生间等处，在本实施例中，热水箱11的容积为20L。The hot water tank 11 is cylindrical, and its bottom center is provided with a water inlet. In this embodiment, the volume of the hot water tank 11 is 20L.
电加热器12设置在热水箱11的内侧壁上，当热水箱11内水温过低时，电加热器12用来加热热水箱11中待加热的水使其达到设定值。The electric heater 12 is arranged on the inner wall of the hot water tank 11. When the water temperature in the hot water tank 11 is too low, the electric heater 12 is used to heat the water to be heated in the hot water tank 11 to make it reach a set value.
均流器13设置在热水箱11内且位于底部的进水口处，它能够使热水箱11内的水形成冷热水分层。The flow equalizer 13 is arranged in the hot water tank 11 and at the water inlet at the bottom, and it can make the water in the hot water tank 11 form cold and hot water stratification.
水位仪在热水箱11内，它用来实时监测热水箱中的水位。The water level gauge is in the hot water tank 11, and it is used for monitoring the water level in the hot water tank in real time.
温度传感器14设置在热水箱11内，它用来检测热水箱11内水的温度，在本实施例中，热水箱11内具有三个温度传感器14，这三个温度传感器14分别用来检测热水箱11内上、中、下三个部位的水温，此外，太阳能即热式热泵热水器100的入口的管路上设置有一个温度传感器14，太阳能即热式热泵热水器100的入口的管路上设置有两个温度传感器14。The temperature sensor 14 is arranged in the hot water tank 11, and it is used for detecting the temperature of the water in the hot water tank 11. In this embodiment, there are three temperature sensors 14 in the hot water tank 11, and these three temperature sensors 14 are respectively used To detect the water temperature of the upper, middle and lower parts of the hot water tank 11, in addition, a temperature sensor 14 is arranged on the pipeline of the inlet of the solar energy instant heat pump water heater 100, and the pipeline of the entrance of the solar energy instant heat pump water heater 100 Two temperature sensors 14 are arranged on the road.
太阳能加热单元20两端通过管路分别与热水箱11进水口与出水口的管路连通，它用来吸收太阳能来加热热水箱11中待加热的水，在本实施例中，太阳能加热单元20为真空管集热器20。此外，还可以采用平板集热器。The two ends of the solar heating unit 20 communicate with the pipelines of the water inlet and the water outlet of the hot water tank 11 respectively through pipelines, which are used to absorb solar energy to heat the water to be heated in the hot water tank 11. In this embodiment, solar heating Unit 20 is an evacuated tube collector 20 . In addition, flat plate collectors can also be used.
热泵加热单元30包括串联成回路的冷凝器31、压缩机32、蒸发器33、膨胀阀34以及干燥过滤器35。The heat pump heating unit 30 includes a condenser 31 , a compressor 32 , an evaporator 33 , an expansion valve 34 and a dry filter 35 connected in series in a loop.
冷凝器31位于热水箱11内，当回路中的制冷剂经压缩机32压缩后进入冷凝器31中时进行放热，冷凝器31放出的热量能够对热水箱11中待加热的水进行加热。在本实施例中，冷凝器31为冷凝盘管31，此外，也可用套管式换热器或板式换热器来代替冷凝盘管31。The condenser 31 is located in the hot water tank 11. When the refrigerant in the circuit enters the condenser 31 after being compressed by the compressor 32, it releases heat. The heat released by the condenser 31 can heat the water to be heated in the hot water tank 11. heating. In this embodiment, the condenser 31 is a condensing coil 31 , in addition, a jacket heat exchanger or a plate heat exchanger can also be used to replace the condensing coil 31 .
压缩机32的排气口与冷凝盘管31入口端相连通，压缩机32的排气口与进气口的两侧分别设置有压力传感器(图中未标出)，压力传感器用来实时监测压缩机32工作时的吸气和排气压力，在本实施例中，压缩机32为活塞式压缩机32。The exhaust port of the compressor 32 is connected with the inlet port of the condensing coil 31, and pressure sensors (not shown in the figure) are respectively arranged on both sides of the exhaust port and the air inlet of the compressor 32, and the pressure sensors are used for real-time monitoring The suction and discharge pressures when the compressor 32 works. In this embodiment, the compressor 32 is a piston compressor 32 .
蒸发器33的出口与活塞式压缩机32的进气口相连通，蒸发器33用来吸收空气中的热量。The outlet of the evaporator 33 communicates with the air inlet of the piston compressor 32, and the evaporator 33 is used to absorb heat in the air.
膨胀阀34的入口与冷凝盘管31的出口相连通，膨胀阀34的岀口与蒸发器33的入口相连通。在本实施例中，膨胀阀34为电子膨胀阀34，此外还可以为热力膨胀阀或毛细管。The inlet of the expansion valve 34 communicates with the outlet of the condensing coil 31 , and the outlet of the expansion valve 34 communicates with the inlet of the evaporator 33 . In this embodiment, the expansion valve 34 is an electronic expansion valve 34 , and may also be a thermal expansion valve or a capillary tube.
干燥过滤器35位于冷凝盘管31与电子膨胀阀34之间，用来对冷凝后的气体进行干燥并对气体中的杂质进行过滤。The drying filter 35 is located between the condensation coil 31 and the electronic expansion valve 34, and is used for drying the condensed gas and filtering impurities in the gas.
控制单元40设置在热水箱11上，它包括无线传感器(未标出)、无线控制器、无线功率采集器以及保护器。控制单元40通过云端服务器与用户移动终端网络连接，并可以通过用户移动终端随时开关太阳能即热式热泵热水器100，实现实时对太阳能即热式热泵热水器100的远程控制。控制单元40能够用来控制热水箱11内水的温度、热水箱11的水位、活塞式压缩机32的吸排气压力以及温度。保护器能够提供过载保护，当热水箱11中热水已满或达到设定温度或压缩机进气排气量超负荷时，控制单元40会自动对它们进行控制并保护。The control unit 40 is arranged on the hot water tank 11, and it includes a wireless sensor (not shown), a wireless controller, a wireless power collector and a protector. The control unit 40 is connected to the user's mobile terminal network through the cloud server, and can switch the solar energy instant heat pump water heater 100 at any time through the user mobile terminal to realize real-time remote control of the solar energy instant heat pump water heater 100 . The control unit 40 can be used to control the temperature of water in the hot water tank 11 , the water level of the hot water tank 11 , the suction and discharge pressure and temperature of the piston compressor 32 . The protector can provide overload protection. When the hot water in the hot water tank 11 is full or reaches the set temperature or the intake and exhaust volume of the compressor is overloaded, the control unit 40 will automatically control and protect them.
本实施例的太阳能即热式热泵热水器100的工作原理如下：The working principle of the solar instant heat pump water heater 100 of this embodiment is as follows:
当用户不使用热水时，真空管集热器20吸收太阳能使得热水箱11中待加热的水被加热升温，此时温度传感器14会实时监测水箱内的水温，当被测水温低于设定值时，电热水器10启动，直至热水箱11内的水温达到设定值。When the user does not use hot water, the vacuum tube collector 20 absorbs solar energy so that the water to be heated in the hot water tank 11 is heated and heated up. At this time, the temperature sensor 14 will monitor the water temperature in the water tank in real time. When the measured water temperature is lower than the set value, the electric water heater 10 starts until the water temperature in the hot water tank 11 reaches the set value.
当用户使用热水时，热水箱11内的热水首先被使用，使用过程中，热水箱11内水位下降到预定值时，此时热泵加热单元30启动，蒸发器33从空气中吸收热量，制冷剂经过活塞式压缩机32压缩，进入冷凝盘管31放热，从而对热水箱11中的水进行加热，制冷剂进入干燥过滤器35，再进入电子膨胀阀34节流降温降压，进一步到达蒸发器33蒸发制冷，最后进入活塞式压缩机32升温升压，完成整个循环。最终不断地对热水箱11中的水进行加热，使水温达到设定值。被加热的水从热水箱11的顶部的管路流出供用户使用。When the user uses hot water, the hot water in the hot water tank 11 is used first. During use, when the water level in the hot water tank 11 drops to a predetermined value, the heat pump heating unit 30 is activated at this time, and the evaporator 33 absorbs water from the air. The refrigerant is compressed by the piston compressor 32 and enters the condensing coil 31 to release heat, thereby heating the water in the hot water tank 11. The refrigerant enters the dry filter 35 and then enters the electronic expansion valve 34 to throttle and cool down. pressure, further reaches the evaporator 33 for evaporation and refrigeration, and finally enters the piston compressor 32 to raise the temperature and boost the pressure to complete the whole cycle. Finally, the water in the hot water tank 11 is continuously heated to make the water temperature reach the set value. The heated water flows out from the pipeline at the top of the hot water tank 11 for users to use.
实施例一的作用与效果Function and effect of embodiment one
根据本实施例所涉及的太阳能即热式热泵热水器，因为真空集热管能够吸收太阳能来加热热水箱中的待加热的水，同时电热水器中的加热器也能够加热热水箱中的待加热的水，另外，热泵加热单元能够吸收外界热量使得冷凝盘管冷凝时放热对热水箱的待加热的水进行加热，所以，本发明的太阳能即热式热泵热水器不仅结构简单、安全高效，而且充分结合了三种不同的加热方式，并可根据环境自由调节，提高了整体的利用率，节能环保，热水也能即开即用，方便快捷，非常适用于我国的国情，具有广阔的应用前景。According to the solar instant heat pump water heater involved in this embodiment, because the vacuum heat collecting tube can absorb solar energy to heat the water to be heated in the hot water tank, and the heater in the electric water heater can also heat the water to be heated in the hot water tank. In addition, the heat pump heating unit can absorb external heat so that the condensing coil releases heat to heat the water to be heated in the hot water tank. Therefore, the solar instant heat pump water heater of the present invention is not only simple in structure, safe and efficient, Moreover, it fully combines three different heating methods, which can be adjusted freely according to the environment, which improves the overall utilization rate, energy saving and environmental protection, and hot water can be used immediately. Application prospect.
此外，在本实施例中，由于在热水箱的底部中央设置有均流器，这样，使得热水箱中形成冷热水分层，最大限度的提高水箱的综合利用率，提高了太阳能即热式热泵热水器的经济性。In addition, in this embodiment, since a flow equalizer is arranged at the bottom center of the hot water tank, the stratification of hot and cold water is formed in the hot water tank, the comprehensive utilization rate of the water tank is improved to the greatest extent, and the solar energy is improved. The economy of thermal heat pump water heaters.
<实施例二><Example 2>
在本实施例二中，对于上述实施例一相同的结构，本实施例给与相同的编号，并省去相应的说明。In the second embodiment, for the same structure as the first embodiment above, this embodiment assigns the same numbers, and corresponding descriptions are omitted.
图2是本发明的实施例二中太阳能即热式热泵热水器的结构示意图。Fig. 2 is a schematic structural view of the solar energy instant heat pump water heater in the second embodiment of the present invention.
如图2所示，太阳能即热式热泵热水器100'与实施例一相比，本实施例的不同之处在于，冷凝盘管31与热水箱11并联设置，热水箱11具有外循环管路15，外循环管路15通过水泵17实现水的循环，外循环管路15一部分设置在冷凝盘管31内，它用来吸收冷凝盘管31冷凝时放出的热量对外循环管路15中的水进行加热。As shown in Figure 2, compared with Embodiment 1, the solar instant heat pump water heater 100' differs in that the condensation coil 31 is arranged in parallel with the hot water tank 11, and the hot water tank 11 has an external circulation pipe. 15, the external circulation pipeline 15 realizes the circulation of water through the water pump 17, and a part of the external circulation pipeline 15 is arranged in the condensation coil 31, which is used to absorb the heat released when the condensation coil 31 condenses in the external circulation pipeline 15 The water is heated.
循环管路15与热水器11之间设置有三通阀16，通过控制三通阀16可以控制给水方式。A three-way valve 16 is arranged between the circulation pipeline 15 and the water heater 11 , and the water supply mode can be controlled by controlling the three-way valve 16 .
本实施例的太阳能即热式热泵热水器100'的工作原理如下：The working principle of the solar instant heat pump water heater 100' of this embodiment is as follows:
当用户不使用热水时，真空管集热器20吸收太阳能使得热水箱11中待加热的水被加热升温，此时温度传感器14会实时监测水箱内的水温，当被测水温低于设定值时，电热水器10启动，直至热水箱11内的水温达到设定值。When the user does not use hot water, the vacuum tube collector 20 absorbs solar energy so that the water to be heated in the hot water tank 11 is heated and heated up. At this time, the temperature sensor 14 will monitor the water temperature in the water tank in real time. When the measured water temperature is lower than the set value, the electric water heater 10 starts until the water temperature in the hot water tank 11 reaches the set value.
当用户使用热水时，热水箱11内的热水首先被使用，使用过程中，热水箱11内水位下降到预定值时，此时热泵加热单元30启动，蒸发器33从空气中吸收热量，制冷剂经过活塞式压缩机32压缩，进入冷凝盘管31放热，从而对外循环管路15中的水进行加热，外循环管路15中的热水一部分直接通过三通阀16供给用户，同时，制冷剂进入干燥过滤器35，再进入电子膨胀阀34节流降温降压，进一步到达蒸发器33蒸发制冷，最后进入活塞式压缩机32升温升压，完成整个循环。最终外循环管路15中的水不断地被加热，另一部分通过三通阀16流入热水箱11中使水温达到设定值。When the user uses hot water, the hot water in the hot water tank 11 is used first. During use, when the water level in the hot water tank 11 drops to a predetermined value, the heat pump heating unit 30 is activated at this time, and the evaporator 33 absorbs water from the air. The refrigerant is compressed by the piston compressor 32 and enters the condensing coil 31 to release heat, thereby heating the water in the external circulation pipeline 15, and part of the hot water in the external circulation pipeline 15 is directly supplied to the user through the three-way valve 16 At the same time, the refrigerant enters the dry filter 35, then enters the electronic expansion valve 34 to reduce temperature and reduce pressure, further reaches the evaporator 33 for evaporation and refrigeration, and finally enters the piston compressor 32 to increase temperature and pressure, completing the whole cycle. Finally, the water in the external circulation pipeline 15 is continuously heated, and another part flows into the hot water tank 11 through the three-way valve 16 to make the water temperature reach the set value.
实施例二的作用与效果Function and effect of embodiment two
根据本实施例二所涉及的太阳能即热式热泵热水器，具有与实施例一相同的作用与效果。According to the solar energy instantaneous heat pump water heater involved in the second embodiment, it has the same action and effect as the first embodiment.
此外，在本实施例二中，由于在热水箱的底部中央设置有均流器，这样，使得热水箱中形成冷热水分层，最大限度的提高水箱的综合利用率，提高了太阳能即热式热泵热水器的经济性。In addition, in the second embodiment, since a flow equalizer is arranged at the bottom center of the hot water tank, the stratification of hot and cold water is formed in the hot water tank, the comprehensive utilization rate of the water tank is improved to the greatest extent, and the solar energy is improved. The economy of tankless heat pump water heaters.
另外，在本实施例二中，在循环管路与热水器之间设置有三通阀，这样也可以提供热水，提高了水箱的利用率，同时灵活方便。In addition, in the second embodiment, a three-way valve is provided between the circulation pipeline and the water heater, so that hot water can also be provided, which improves the utilization rate of the water tank and is flexible and convenient.
Claims (10)
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