Water heater and hot water supply method

A technology for water heaters and heat exchangers, which is applied to fluid heaters, lighting and heating equipment, etc., can solve problems such as inconvenience, and achieve the effects of extending supply time, reducing installation volume, and improving work efficiency.

Active Publication Date: 2016-05-18
QINGDAO HAIER SMART TECH R & D CO LTD +1
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Problems solved by technology

This way of water discharge has caused inconveni

Method used

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  • Water heater and hot water supply method

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Embodiment Construction

[0038] This embodiment provides a water heater that ensures continuous water supply and reduces the occupied space. figure 1 is a structural schematic diagram of a water heater according to an embodiment of the present invention, and the water heater is provided with a heat pump heating system 110 and an electric heating system 120 . The heat pump heating system 110 uses the heat of the heat pump cycle to heat water. The electric heating system 120 uses electric heating to heat water. In this embodiment, the water heater can work in a variety of modes, such as the mode of supplying water to the outside, the mode of replenishing water for the water heater, the mode of heat pump defrosting, and the start and stop states of the heat pump heating system 110 and the electric heating system 120 in different modes. / Or the direction of the water supply is also different.

[0039]The heat pump heating system 110 may include: a water flow heat exchanger 111 and a heat pump device. ...

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Abstract

The invention provides a water heater and a hot water supply method. The water heater comprises a heat pump heating system and an electric heating system; the electric heating system comprises a water storage tank and an electric heater arranged in the water storage tank; water heated by the heat pump heating system is supplied to the water storage tank; according to the electric heating system, the electric heater further heats the water in the water storage tank to the first preset temperature so that the water can be supplied to a water outlet pipeline of the water heater when the water heater supplies the water to the exterior. According to the scheme, because the electric heater heats the water output by the water storage tank to the temperature higher than the water outlet temperature of the heat pump heating system, the supply time of the hot water can be prolonged, and the size of the water storage tank can be reduced. In addition, the heat pump heating system and the electric heating system are adopted for cooperative work, the water supply ratio of the heat pump heating system and the electric heating system is adjusted timely, the operating state of the heat pump heating system is adjusted timely, and therefore the temperature of the water supplied to the exterior can keep stable.

Description

technical field [0001] The invention relates to the field of water heaters, in particular to a water heater and a method for supplying hot water. Background technique [0002] Hot water is a necessity in people's life. However, traditional water heaters (electric water heaters, gas water heaters) have the disadvantages of high energy consumption, high cost, and serious pollution, while solar water heaters are restricted by meteorological conditions. [0003] In view of the above problems, heat pump water heaters have appeared in the prior art, which use electric energy as power to draw heat from the low-temperature side to heat domestic water for supply to users. [0004] Heat pump water heaters can use air, water, solar energy, geothermal heat, etc. as low-temperature heat sources, among which air source heat pump water heaters have better comprehensive performance and are not restricted by the environment. The air source heat pump water heater in the prior art is mainly c...

Claims

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Application Information

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IPC IPC(8): F24H9/18F24H9/20
Inventor 张江涛车敏陶少枝劳春峰
Owner QINGDAO HAIER SMART TECH R & D CO LTD
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