A solar energy and air source heat pump coupled hot water system and its control method
An air source heat pump and control method technology, applied in solar heating systems, solar collector controllers, solar thermal energy, etc., can solve the problems of energy waste, long running time, and inability to fully utilize solar energy, etc., to achieve guaranteed utilization , improve the accuracy, improve the effect of utilization
Active Publication Date: 2019-11-19
杭州龙华环境集成系统有限公司
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Problems solved by technology
When the air source heat pump is turned on, it is usually turned on manually. Due to the manual control of the start of the air source heat pump, there is a problem that the open time is too long, which will cause the problem that the solar energy cannot be fully utilized for heating, which in turn causes a waste of energy.
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[0048] The present invention will be described in detail below in conjunction with the amplitude.
[0049] reference figure 1 , This figure is a schematic diagram of an embodiment of a solar and air source heat pump coupling hot water system of the present invention, the system includes: solar heat collector plate 1, hot water tank 2, hot water collection pump 3, air source heat pump 4 , Heat pump circulating water pump 5, hot water supply tank 6, hot water supply circulating pump 7 and controller; solar collector plate 1 is connected with hot water tank 2, hot water tank 2 is connected with hot water pump 3, and hot water pump 3 is connected with The solar heat collecting plates 1 are connected to form a solar heating loop. The air source heat pump 4 is connected to the heat pump circulating water pump 5, the heat pump circulating water pump 5 is connected to the hot water tank 6, the input end of the hot water tank 6 is connected to the hot water collection tank 2, and the out...
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The invention discloses a control method of a hot water system coupling solar energy and an air source heat pump. The control method of the hot water system coupling the solar energy and the air source heat pump comprises the following steps of S1, at the day before using hot water, predicating the solar energy heat yield, solar energy heating duration and a first limiting temperature value according to historical data of solar illumination and hot water usage amount, and predicating an opening time of the heat pump according to the total heat consumption of the system and the solar energy yield, wherein the first limiting temperature value is the limiting temperature obtained through predicated solar energy heating; S2, at the day using the hot water, when the solar energy heating time reaches to the preset duration, adjusting the opening time of the heat pump according to a relationship between a current water temperature of a water tank and a first limiting water temperature; and S3, according to the adjusted opening time of the heat pump, opening the air source heat pump for heating the water tank, and controlling the heat pump to stop heating when the water temperature in thewater tank reaches to the temperature required by a user. In addition, the invention further discloses the hot water system coupling the solar energy and the air source heat pump. By adopting the control method of the hot water system coupling the solar energy and the air source heat pump, and the hot water system coupling the solar energy and the air source heat pump provided by the invention, the utilization ratio of the solar energy is improved.
Description
Technical field [0001] The invention relates to the technical field of hot water systems, in particular to a solar and air source heat pump coupled hot water system and a control method thereof. Background technique [0002] At present, the energy-saving control method for the combination of air source heat pump water heaters and solar water heaters is to preferentially use solar heating. When the user uses hot water, if the water temperature does not meet the requirements, the heat pump water heater is turned on for heating. When the air energy heat pump is turned on, the manual opening method is usually adopted. Because the air energy heat pump is manually controlled to turn on, there is a long time of opening, which will cause the problem of not being able to make full use of solar energy for heating, thereby causing a waste of energy. Summary of the invention [0003] The purpose of the present invention is to provide a solar and air source heat pump coupled hot water system a...
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IPC IPC(8): F24S20/40F24S50/00F24S50/40
CPCY02E10/40
Inventor 付凯
Owner 杭州龙华环境集成系统有限公司