Control method, device and system of air source heat pump water heater and storage medium
An air source heat pump and water heater technology, applied in fluid heaters, lighting and heating equipment, etc., can solve problems such as high user requirements, inability to use peak and valley electricity prices, and inability to save electricity costs for users. The effect of saving electricity bills
Pending Publication Date: 2021-08-06
QINGDAO HAIER NEW ENERGY ELECTRIC APPLIANCE +1
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Problems solved by technology
[0003] Existing air source heat pump water heaters require users to set up and judge by themselves during use, which has high requirements for users and cannot maximize the use of peak and valley electricity prices, thus failing to save users' electricity costs.
Method used
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[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0029] In related technologies, air-source heat pump water heaters require user-defined settings, and automatic judgment cannot maximize the use of peak and valley electricity prices. The operating efficiency of air-source water heaters is greatly affected by ambient temperature, and the determined operating range is not necessarily optimal. range, which can not save the user's electricity costs very well.
[0030] figure 1 It is a flowchart of a control method for an air source heat pump water heater provided by...
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The embodiment of the invention provides a control method, device and system of an air source heat pump water heater and a storage medium. The method comprises the following steps: when a cost saving mode is started, determining a preheating temperature according to a set temperature and a current temperature of a water tank; when the preheating temperature is greater than a set temperature value, determining preheating time based on environment temperature, volume of the water tank and current water heating capacity; determining valley power duration; if the preheating time is shorter than the valley power duration and the current moment is after valley power starting time, controlling the water tank to be heated; if the preheating time is longer than the valley power duration, determining target duration of heating the water tank in advance of the valley power starting time based on the preheating time and the valley power duration; and determining a target moment based on the valley power starting time and the target duration, and controlling the water tank to be heated when the current moment is after the target moment. According to the technical scheme provided by the embodiment of the invention, heating of the water tank can be reasonably controlled, and thus cost can be saved.
Description
technical field [0001] Embodiments of the present invention relate to water heater technology, in particular to a control method, device, system and storage medium for an air source heat pump water heater. Background technique [0002] As a new type of household appliances, water heaters are mostly classified by the energy used to heat water, such as air source heat pump water heaters, gas water heaters, solar water heaters, electric water heaters, etc. Among them, the air source heat pump water heater has the functions of high efficiency, energy saving, safety and environmental protection, low operating cost, full computer control, and automatic protection. [0003] Existing air source heat pump water heaters require users to set up and judge by themselves during use, which has high requirements for users and cannot maximize the use of peak and valley electricity prices, thus failing to save users' electricity costs. Contents of the invention [0004] The control method ...
Claims
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IPC IPC(8): F24H9/20
CPCF24H9/2007
Inventor 管祥华魏爱国杨磊王彬刘晓伟杨伟黄娟
Owner QINGDAO HAIER NEW ENERGY ELECTRIC APPLIANCE