Heat pump water heater

A technology for heat pump water heaters and water tanks, which is applied to fluid heaters, lighting and heating equipment, etc., can solve the problems of complex piping layout of water heaters, low volume utilization rate of water tanks, and low energy efficiency of water heaters. The road design is reasonable and the effect of reducing the site area and saving materials

Inactive Publication Date: 2010-04-21
GUANGDONG BILAI ENERGY SAVING EQUIP
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] One of the existing heat pump water heaters is that the condenser is soaked in the water tank or wound around the outside of the water tank, and the refrigerant exchanges heat with the water to generate hot water. This structure of the water heater has a relatively low energy efficiency and a low utilization rate of the water tank volume.
Another kind is that the condenser is arranged outside the water tank, but the pipeline layout of this kind of hot water machine is complicated, and more water pumps are required. Generally, it includes two water pumps, one for the user to use hot water, and the other for the water in the water tank. Water and water channel hydronic heating

Method used

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Embodiment Construction

[0009] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0010] combine figure 1 and figure 2 , a heat pump water heater, including a compressor 1, a four-way valve 2, an evaporator 3, an expansion valve 4, a condenser 5 and a water tank 6, the condenser 5 is an outer tube with 7 sets of inner tubes and 8 types, and the inner tube 8 can be one or more. In this embodiment, the inner tube is one, and the inner tube 8 is a refrigerant channel. The gap between the outer tube 7 and the inner tube 8 is a water channel 9. The refrigerant channel and the water channel are connected to each other. The isolated position can carry out heat exchange. The refrigerant channel forms a refrigerant circuit with the compressor, four-way valve, evaporator, and expansion valve. The inlets 14 are connected by a pipe body 15, on which a water pump 16, a hot water outlet 17 and an electric three-way valve 18 are arranged, and ports B ...

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Abstract

The invention relates to a device for making hot water, specifically to an air source heat pump water heater, comprising a compressor, a four-way valve, an evaporator, an expansion valve, a condenser and a water tank. The condenser comprises a refrigerant channel and a water channel that are isolated from each other. The refrigerant channel, the compressor, the four-way valve, the evaporator and the expansion valve form a refrigerant loop. An outlet of the water channel is communicated with an inlet of the water tank. An outlet of the water tank is connected with the inlet of the water channel through a pipe directly. The pipe is provided with a water pump, a heat water outlet and electric three-way valves. Ports of the rest electric three-way valves are connected with a water inlet of tap water. The invention has reasonable and simple pipeline design, thereby reducing the site area required by mounting and saving the materials. Hot water supply for users, defrosting and circular heating can be realized through one water pump so that the installation speed is improved.

Description

technical field [0001] The invention relates to a hot water heating device, in particular to an air source heat pump water heater. Background technique [0002] One of the existing heat pump water heaters is that the condenser is soaked in the water tank or wound around the outside of the water tank, and the refrigerant exchanges heat with the water to generate hot water. This structure of the water heater has a relatively low energy efficiency and a low volume utilization rate of the water tank. . Another kind is that the condenser is arranged outside the water tank, but the pipeline layout of this kind of water heater is complicated and requires more water pumps. Generally, it includes two water pumps, one for the user to use hot water, and the other for the water in the water tank. The water is heated with water circulation channels. Contents of the invention [0003] Therefore, the object of the present invention is to provide a heat pump water heater in which the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H4/02
Inventor 巫宗进
Owner GUANGDONG BILAI ENERGY SAVING EQUIP
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