Heat pump water heater

A heat pump water heater and heat pump host technology, which is applied to fluid heaters, lighting and heating equipment, etc., can solve the problems of complex control, difficult to fully utilize solar energy, etc., and achieve the effect of producing hot water with high energy efficiency.

Active Publication Date: 2014-02-26
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing solutions combining solar energy and heat pumps use solar energy to directly produce hot water, and connect the system through complex waterways and heat pumps. The control of this system needs to fully consider the changes in solar energy, and the control is complicated. It is difficult to realize the control of solar energy. full use of

Method used

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Embodiment Construction

[0022] It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0023] The core idea of ​​the present invention is to set at least one of the compressor and fan of the heat pump host as a DC load, and directly supply power to the DC load in the heat pump host by using the DC power generated by the solar photovoltaic panel. Organically combined with heat pump technology, it eliminates the complicated waterway system required by existing solar water heaters to transport hot water, and can realize long-distance power transmission, so that solar energy can be fully utilized in heat pump water heaters, and because the main Electricity-consuming loads are powered by solar energy, enabling energy-efficient hot water production.

[0024] figure 1 It is a schematic structural diagram of the first embodiment of the heat pump water heater 100 of the present invention. In th...

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Abstract

The invention provides a heat pump water heater which comprises a water tank, a heat pump main unit, a solar photovoltaic panel and a photovoltaic controller. The heat pump main unit is used for heating water in the water tank, the photovoltaic controller is electrically connected with direct-current loads of the heat pump main unit, direct-current electricity generated by the solar photovoltaic panel is supplied to the direct-current loads of the heat pump main unit via the photovoltaic controller, and the direct-current loads at least include one of a compressor and a fan of the heat pump main unit. The heat pump water heater has the advantages that a solar photoelectric technology is organically combined with a heat pump technology, so that a complicated water channel system required for delivery of hot water in an existing solar water heater can be omitted; electric power can be transmitted over long distances, so that solar energy can be sufficiently utilized in the heat pump water heater, and hot water can be efficiently produced by the heat pump water heater.

Description

technical field [0001] The invention relates to the technical field of heat pump water heaters, in particular to a heat pump water heater that can be powered by solar energy. Background technique [0002] Heat pump water heaters use the principle of the Carnot cycle to heat water by absorbing heat from the air to achieve energy transfer. Solar energy has the advantages of being inexhaustible, inexhaustible, pollution-free, safe, etc., and has become the focus of attention. Most of the existing solutions combining solar energy and heat pumps use solar energy to directly produce hot water, and connect the system through complex waterways and heat pumps. The control of this system needs to fully consider the changes in solar energy, and the control is complicated. It is difficult to realize the control of solar energy. full use of. Contents of the invention [0003] The main purpose of the present invention is to provide a heat pump water heater, which aims at simplifying t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H4/04F24H9/00F24H9/20
Inventor 伍光辉饶荣水贺伟衡
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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