A solar instant heat pump water heater

A water heater and solar energy technology, applied in the field of solar heat pump water heaters, can solve problems such as energy waste

Active Publication Date: 2021-05-18
BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the water temperature in the hot water tank is higher than the ambient temperature, it will continue to release heat to the environment, resulting in a waste of energy

Method used

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  • A solar instant heat pump water heater
  • A solar instant heat pump water heater
  • A solar instant heat pump water heater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Example 1, such as figure 1 and 2 As shown, the heat pump circulation pipeline includes an evaporative condenser 6, a cold water tank 7, a circulation path switching device (corresponding to figure 1 Five-way reversing valve 2), compressor 1, condenser 3, heat supply expansion valve 4a and heat storage expansion valve 4b; said cold water tank 7 is equipped with working medium; said evaporative condenser 6 is in said cold water tank 7; the first port of the evaporative condenser 6 is connected to the e port of the circulation path switching device, the d port of the circulation path switching device is connected to the inlet of the compressor 1, the compressor 1 The outlet is connected to the a port of the circulation path switching device, the b port of the circulation path switching device is connected to the inlet of the condenser 3, the c port of the circulation path switching device is connected to the heat supply expansion valve 4a The second port is communicated...

Embodiment 2

[0052] Example 2, such as image 3 The heat pump circulation pipeline shown includes an evaporative condenser 6, a cold water tank 7, a circulation path switching device, a compressor 1, a condenser 3, a heat supply expansion valve 4a, a heat storage expansion valve 4b and a three-way reversing valve 12; The evaporative condenser 6 is in the cold water tank 7; the first port of the evaporative condenser 6 is connected to the e port of the circulation path switching device, and the d port of the circulation path switching device is connected to the compressor 1 The inlet of the compressor 1 is connected to the a port of the circulation path switching device, the b port of the circulation path switching device is connected to the inlet of the condenser 3, and the c of the circulation path switching device The port is connected with the second port of the heating expansion valve 4a; the outlet of the condenser 3 is connected with the first port of the heating expansion valve 4b, ...

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Abstract

The present invention proposes a solar energy instant heat heat pump water heater. The heat pump water heater includes: a solar heat collector, a heat pump circulation pipeline with a circulation path switching device, and a hot water heat exchanger; the solar heat collector is connected in series to the heat pump cycle On the pipeline between the heat supply expansion valve and the heat storage expansion valve in the pipeline; the condenser of the heat pump circulation system is arranged inside the hot water heat exchanger; , the heat pump circulation pipeline is switched to the heating circulation path, and the heat pump circulation pipeline is used to quickly heat the water in the hot water heat exchanger to realize instant heat. When not bathing, the heat pump circulation pipeline is switched to the heat storage circulation path, and the The solar collector and the heat pump circulation pipeline heat the working medium in the cold water tank, which reduces the heat collection temperature of the solar collector, realizes the effective use of solar energy, and further reduces the operating rate of the solar thermal collector. Moreover, the technical defect of slow heating speed is avoided.

Description

technical field [0001] The invention relates to the technical field of heat pump water heaters, in particular to a solar energy instant heat 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 categories, heat storage electric water heaters (including hot water tanks) and instant electric water heaters. The electric water heater generates heat to heat the water through the heating device under the condition of electricity, and at the same time controls the start and stop of the heating through the temperature sensor, so as to realize the regulation of the water temperature. Electric water heaters are l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H4/02F24H9/20F24S20/40F24S50/00
CPCF24H4/02F24H9/2007F24S20/40F24S50/00Y02E10/40
Inventor 徐荣吉李印实王瑞祥胡文举陈启超钟洪伟
Owner BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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