Energy-saving control method of air source heat-pump water heater
A technology of heat pump water heater and air source heat pump, which is applied to fluid heaters, lighting and heating equipment, etc., can solve the problems that the energy saving effect needs to be further improved, and achieve better energy saving effect, simple and reliable control method, and low cost
Inactive Publication Date: 2013-08-28
SHUNDE POLYTECHNIC
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Problems solved by technology
Therefore, the main problem with the above-mentioned control method is that the heat pump water heater cannot be operated at the time period with the highest energy efficiency every day, and its energy-saving effect needs to be further improved.
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[0019] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0020] Such as Figures 1 to 3 As shown, it is an energy-saving control method for an air source heat pump water heater, and its steps are as follows:
[0021] (a) When the heat pump water heater is powered on, the user selects the manual mode and the energy-saving mode through the input module 4; when the energy-saving mode is selected, set the peak water consumption time t1 (in the energy-saving mode, t is a certain value within 16:00-24:00 a moment), water temperature upper limit temperature T3 and water temperature lower limit temperature T4;
[0022] (b) When the heat pump water heater is detected in real time, the temperature of the outdoor ambient temperature se...
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The invention relates to an energy-saving control method of air source heat-pump water heater. The method is characterized by comprising the following steps that an user selects a manual mode and an energy-saving mode through an input module; when the energy-saving mode is selected, the user sets water consumption peak time t1, an upper limit water temperature T3 and a lower limit water temperature T4; the temperatures of an outdoor ambient temperature sensor and a water tank temperature sensor are collected through a temperature collector; a microprocessor automatically computes the optimal startup time t2 of the heat-pump water heater; when the optimal startup time t2 is achieved, the microprocessor outputs a running signal, and the heat-pump water heater begins running; when the water tank temperature reaches the upper limit water temperature T3, the heat-pump water heater stops running; and after the heat-pump water heater stops running and when the water tank temperature falls to the set lower limit temperature T4 of a water tank due to natural heat dissipation the water tank or the use of a small amount of water before the set water consumption peak time, the microprocessor outputs the running signal so that the heat-pump water heater is started up automatically till the set upper limit water temperature T3 of the water tank is reached. The heat-pump water heater has the advantages of excellent energy-saving effect, simple and reliable control method, low cost and the like.
Description
technical field [0001] The invention relates to an energy-saving control method for an air source heat pump water heater. Background technique [0002] As a high-efficiency and energy-saving hot water product, the air source heat pump water heater is widely used in many aspects of life and production. Especially in recent years, it has been more and more widely used in residential families. The heat pump water heaters used in general households are easy to operate by users and adopt a relatively simple control method. The control method is as follows: after the user sets the operating temperature, the heat pump water heater is always in a standby state. When the temperature of the water tank of the heat pump water heater is lower than the set temperature, the heat pump water heater runs, and when it is used, the heat pump water heater stops running. In actual use, due to large changes in the outdoor ambient temperature throughout the day, the energy efficiency ratio of the...
Claims
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Inventor 徐言生余华明何钦波殷少有蔡永昶郑兆志
Owner SHUNDE POLYTECHNIC