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Multi-mode coupled heating multi-water-tank heat-pump water heater

A heat pump water heater and multi-tank technology, applied in the heat pump field, can solve the problems of low heat production efficiency of the water heater, and achieve the effects of improving the utilization rate of hot water, saving energy waste, and reducing temperature stratification.

Inactive Publication Date: 2018-08-07
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency of low heat production efficiency of existing water heaters, the present invention provides a multi-tank heat pump water heater with multi-mode coupled heating and high heat production efficiency

Method used

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  • Multi-mode coupled heating multi-water-tank heat-pump water heater

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings.

[0013] refer to figure 1 , a multi-tank heat pump water heater with multi-mode coupled heating, including a heat pump host 1, a condenser 2, a water pump 3, a first stop valve 4, a second stop valve 5, a third stop valve 6, a fourth stop valve 7, and a second stop valve Five shut-off valves 8, the sixth shut-off valve 9, the seventh shut-off valve 10, the eighth shut-off valve 11, the flow regulating valve 12, the first water tank 13, the second water tank 14, the third water tank 15, the first water mixing valve 16 ( with flow sensor), second mixing valve 17 (with flow sensor), third mixing valve 18 (with flow sensor), ninth stop valve 19, control system 20, first temperature sensor 21, second temperature sensor 22 and the third temperature sensor 23.

[0014] The condenser 2 has four inlets and outlets, the first inlet is connected to the outlet of the heat pump ho...

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Abstract

The invention provides a multi-mode coupled heating multi-water-tank heat-pump water heater. The multi-mode coupled heating multi-water-tank heat-pump water heater comprises a heat pump main engine, acondenser, a water pump, a first stop valve, a second stop valve, a third stop valve, a fourth stop valve, a fifth stop valve, a sixth stop valve, a seventh stop valve, an eighth stop valve, a flow control valve, a first water tank, a second water tank, a third water tank, a first water mixing valve, a second water mixing valve, a third water mixing valve and a ninth stop valve. The hot pump andthe water tanks with different set temperatures are subjected to coupled heating through multi-mode switching, and the mode that the water tanks with different set temperatures are separately heated in different coupling modes is achieved by switching different stop valves. The multi-mode coupled heating multi-water-tank heat-pump water heater is high in heat production efficiency.

Description

technical field [0001] The invention belongs to the field of heat pumps and relates to a heat pump water heater. Background technique [0002] With the gradual recognition of the market and the support of national policies, air source heat pump water heaters have been widely promoted, and users pay special attention to water comfort and energy saving. Existing heat pump water heaters can only heat water to a very high temperature and store it in the water tank. When users use hot water at a lower temperature, they can only use it after mixing hot water with high temperature from the water tank and mixing it with cold water. This process wastes the available energy in the hot water Thereby, large entropy production is generated, energy utilization rate is reduced, and the single temperature of hot water cannot quickly meet the needs of users for different water temperatures; the existing circulation heat pump water heater water tank has stratification of cold and hot water,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H4/04F24H9/20
CPCF24H4/04F24H9/2007
Inventor 蒋宁徐英杰李恩腾许亮峰
Owner ZHEJIANG UNIV OF TECH
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