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Heat pump hot water unit and its control method and device

A technology of heat pump hot water and control methods, which is applied in the direction of fluid heaters, lighting and heating equipment, etc., and can solve problems such as increased energy consumption, water temperature of heat pump hot water units that cannot reach the set temperature, and delayed start-up of electric auxiliary heaters. Achieve the effect of meeting the needs of water temperature

Active Publication Date: 2019-05-03
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the heating capacity of the heat pump host may change after running for a period of time, and the ambient temperature may also change during the operation, a simple calculation will produce a large deviation, which will cause the electric auxiliary heater to be turned on in advance, making the power consumption It may also cause the electric auxiliary heater to delay opening, so that the water temperature of the heat pump hot water unit cannot reach the set temperature

Method used

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  • Heat pump hot water unit and its control method and device
  • Heat pump hot water unit and its control method and device
  • Heat pump hot water unit and its control method and device

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Embodiment Construction

[0040] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0041] The following describes the control method of the heat pump water heater unit, the control device of the heat pump water heater unit and the heat pump water heater unit with the device according to the embodiments of the present invention with reference to the accompanying drawings.

[0042] figure 1 It is a flow chart of the control method of the heat pump water heating unit according to the embodiment of the present invention. In an embodiment of the present invention, the heat pump hot water unit may include a heat pum...

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Abstract

The invention discloses a heat pump water heater unit and its control method and device. The method includes the following steps: after receiving the valley electricity signal, obtaining the water temperature of the water tank; if the water temperature is lower than the set temperature, controlling the heat pump host to Open state; every first preset time, calculate the time required for the water temperature of the water tank to rise to the first preset temperature when the heat pump main unit and the electric auxiliary heater are turned on at the same time, and record it as the first time; if the first time is less than the second The preset time controls the electric auxiliary heater to be on. The method controls the opening of the electric auxiliary heater according to the time required for each increase of the preset temperature of the water tank when the heat pump main unit and the electric auxiliary heater are simultaneously turned on in real time, so as to not only achieve the purpose of energy saving, but also meet the needs of users. water temperature needs.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a control method of a heat pump water heater, a control device of the heat pump water heater and a heat pump water heater with the device. Background technique [0002] In the peak and valley electricity consumption, although the price of the valley electricity is very cheap, the total time of the valley electricity is limited. In order to use the heat pump host as much as possible within a limited time, and at the same time ensure that the water temperature of the heat pump hot water unit reaches the set temperature, it is necessary to control the electric auxiliary heater to turn on at an appropriate time. [0003] In related technologies, the opening of the electric auxiliary heater is controlled according to the preset water temperature, that is, when the water temperature of the heat pump water heater unit reaches the preset water temperature, the electric auxil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20
CPCF24H9/2007F24H9/2021F24H15/223F24H15/174F24H15/37F24H15/176F24H15/375F24H4/04
Inventor 张登科
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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