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Critical heat accumulating heat pump water heater

A technology of heat pump water heater and phase change heat storage, which is applied in the direction of heat storage equipment, indirect heat exchangers, heat exchanger types, etc., can solve the problems of floor-to-floor household installation restrictions, large volume, etc., and achieve light weight and room space saving , the effect of small load

Inactive Publication Date: 2005-01-12
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0005] The object of the present invention is to provide a phase-change thermal storage heat pump water heater, which overcomes the problems of large volume and limited installation of floor-level households in ordinary household heat pump water heaters

Method used

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing:

[0023] Such as figure 1 , Figure 2, Figure 3, Figure 4 , Figure 5 As shown, the implementation of the phase change heat storage heat pump water heater with type II phase change heat storage device (20): when the value of the temperature sensor (9) at the temperature measuring point in the phase change heat storage device (20) is lower than When the temperature a is set, the value of the set temperature a is slightly higher than the phase change temperature of the phase change heat storage material (15) adopted, at this time, the temperature of the air inlet of the evaporator (3) is measured in the controller (8). The temperature sensor (2) signal at the point is compared with the set temperature value b. The value of the set temperature b is determined according to the condition that the heating coefficient of the phase change heat storage heat pump water heater is 1.0 ...

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Abstract

The phase change heat-accumulating heat pump water heater includes mainly compressor, evaporator, fan, throttle, filtering drier, cold water inlet pipe, hot water outlet pipe, thermal circulating pipe and phase change heat accumulator. The phase change heat accumulator consists of mainly temperature sensor, casing, insulating material, inner container, phase change heat-accumulating material and hext exchanging pipe. In the said water heater, the evaporator absorb heat from the air source, the compressor produce power by means of electric energy, and the phase change material stores heat and heats water. Some electric heater may be also set inside the phase change heat accumulator optionally as auxiliary heater. The present invention has small size, light weight, convenient use and flexible installation.

Description

technical field [0001] The invention belongs to the field of water heaters, in particular to a phase change heat storage heat pump water heater. Background technique [0002] With the improvement of people's living standards, the function of domestic hot water is no longer only used for bathing, but also for washing sanitary ware and laundry, etc. The consumption of hot water has increased, and the requirement for comfortable hot water has become increasingly common. In terms of performance, the requirements for safety, high efficiency, cost saving and environmental protection are getting higher and higher. There are three types of traditional water heaters: gas water heaters, electric water heaters and solar water heaters. Among them, gas water heaters have low efficiency, safety hazards and environmental pollution problems; electric water heaters consume a lot of energy and also have safety hazards; solar water heaters are limited in installatio...

Claims

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Application Information

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IPC IPC(8): F24D17/02F28D20/02
CPCY02E60/145Y02E60/14
Inventor 朱冬生汪南廉永旺
Owner SOUTH CHINA UNIV OF TECH
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