Water tank target water temperature control method and air source heat pump type water heater

A water temperature control method and air source heat pump technology, applied in the direction of fluid heaters, lighting and heating equipment, etc., can solve the problems of unrealistic energy saving of the box temperature, poor user experience, and auxiliary electric heating not turned on, etc., to achieve Significant energy saving effect, solving the problem of lower water temperature and reducing user operations

Active Publication Date: 2018-05-15
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Box temperature to achieve energy saving is not realistic in actual use
[0004] In addition, the energy-saving function of conventional air source heat pump water heaters is within the operating range of the heat pump, and the auxiliary electric heating is not turned on.
When the user uses a large amount of water, the water temperature will drop, resulting in poor user experience

Method used

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  • Water tank target water temperature control method and air source heat pump type water heater
  • Water tank target water temperature control method and air source heat pump type water heater

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Embodiment Construction

[0026] The invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] Such as figure 1 As shown, the air source heat pump water heater proposed by the present invention includes a compressor 1 , a condenser 2 , an electronic expansion valve 3 and an evaporator 4 connected in sequence through pipelines. A filter 5 is provided at the front and rear ends of the electronic expansion valve. A gas-liquid separator 6 is provided on the suction side of the compressor. Condenser 2 adopts a closed pressurized water tank and an outer coil structure. The high-temperature and high-pressure gas discharged from the compressor heats the water in the water tank, and then returns to the compressor through the electronic expansion valve and evaporator to complete a cycle.

[0028] The target water temperature setting control method of the air source heat pump water heater proposed by the present invention can intelligently and automatica...

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Abstract

The invention discloses a water tank target water temperature control method and an air source heat pump type water heater applying the method. The water tank target water temperature control method comprises the following steps that water demands and water temperatures at different times are set; the water tank target water temperature is worked out according to the volume of a water tank and thewater using time; and the section where the worked-out water tank target water temperature is located is judged, and the final water tank target water temperature is determined. According to the water tank target water temperature control method and the air source heat pump type water heater, fuzzy evaluation of the water supply temperature of the water tank is carried out according to the simulated water supply volume and the water temperature of user water, it can be guaranteed that the water supply temperature of the water tank is reduced as much as possible under the situation that the user water heat is enough, and the air source heat pump energy consumption is reduced.

Description

technical field [0001] The invention relates to household appliances, in particular to a method for controlling the target water temperature of a water tank and an air source heat pump water heater. Background technique [0002] Water heaters are common household appliances. The usage habit of most users is to set a fixed temperature, and the temperature sensing package of the water tank detects that the water reaches the set temperature value to keep warm. Due to the different water habits of users and the different purposes of water (such as washing dishes, bathing, washing vegetables, washing face, etc.), the required outlet water temperature is also different. The energy consumption of the air source heat pump is closely related to the set water temperature, and the higher the set water temperature of the water tank, the higher the energy consumption will be. Since the water heater is mixed with tap water to meet the actual water temperature requirements of the user, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20F24H4/04
CPCF24H4/04F24H9/2007
Inventor 张世航何林黄童毅张威舒宏
Owner GREE ELECTRIC APPLIANCES INC
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