A cold storage instant heat pump water heater

A technology for heat pump water heaters and water heaters, applied in fluid heaters, residential hot water supply systems, heating methods, etc., can solve problems such as reduced efficiency, easy frosting of outdoor units, and inability to operate, so as to improve energy utilization and reduce energy consumption. High-quality heat utilization is simple and the effect of avoiding energy loss

Active Publication Date: 2021-07-27
BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the outdoor temperature is too low in winter, the outdoor unit is prone to frost, which reduces its efficiency and even prevents it from operating.

Method used

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  • A cold storage instant heat pump water heater
  • A cold storage instant heat pump water heater
  • A cold storage instant heat pump water heater

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] The object of the present invention is to provide a cold storage type instant heat pump water heater, to provide a heat pump water heater that avoids energy loss during hot water storage and is suitable for different seasons.

[0036] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and spe...

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Abstract

The invention provides a cold storage type instant heat pump water heater. The heat pump water heater includes: a cold water tank, a main evaporator, a compressor, and a hot water heat exchanger. The invention absorbs the heat of the working medium inside the cold water tank through the main evaporator, and heats the bathing water rapidly through the hot water heat exchanger by means of heat exchange, thereby avoiding the storage of hot water in the existing heat pump water heater while realizing immediate heating The energy loss in the process, and through the absorption of the heat of the working medium in the cold water tank by the main evaporator, the temperature of the working medium in the cold water tank is less than or equal to the ambient temperature, and the heat can be absorbed from the environment, further improving the energy The utilization rate, and because the temperature of the working medium in the cold water tank will not cause frosting due to the influence of the outdoor environment, it can be applied to different seasons.

Description

technical field [0001] The invention relates to the technical field of heat pump water heaters, in particular to a cold storage instant heat pump water heater. Background technique [0002] In people's daily life, domestic hot water accounts for a large proportion of daily water use, and hot water heating devices are gradually becoming popular. There are four types of water heaters commonly used at present, namely electric water heaters, solar water heaters, gas water heaters and heat pump water heaters. Among them, electric water heaters are divided into two types, heat storage electric water heaters (including hot water tanks) and instant electric water heaters. Through the heating device, heat is generated under the condition of electricity to heat water, and at the same time, the temperature sensor is used to control the start and stop of heating. Thereby realizing the regulation to water temperature. Electric water heaters are low in cost, simple to install and easy t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H4/02F24H9/20F24H9/00
CPCF24H4/02F24H9/0005F24H9/2007E03C2001/005F24D17/02F24D2200/123F24D2220/08F24D2220/10F24H4/04Y02B30/52E03B7/045E03B7/07
Inventor 徐荣吉李印实
Owner BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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