Heat storage type air source heat pump direct condensation type floor heating system

Abstract

The invention discloses a heat storage type air source heat pump direct condensation type floor heating system. An exhaust port of a compressor is connected with a high-voltage protection switch and a four-way valve. One branch way of the four-way valve is connected with an electromagnetic valve and a lower heat exchanger inlet of a heat storage water tank. A lower heat exchanger outlet is connected with a drying filter, an electronic expansion valve and a liquid storage device. The other branch of the four-way valve is connected with an electromagnetic valve and a floor heating coil, an outlet of the floor heating coil is connected with the drying filter and the electronic expansion valve, and the branch is then divided into two branch bodies through a one-way valve, wherein one branch body is connected with the electromagnetic valve and an upper-position inlet of the heat storage water tank, an upper-position outlet of the heat storage water tank is connected with the one-way valve, and the other branch body is connected with the electromagnetic valve and then connected with the liquid storage device. An outlet of the liquid storage device is connected with the drying filter, the electromagnetic valve and an evaporator through a fluorine pipeline. A refrigerant pipeline at an outlet of the evaporator is converged with a refrigerant pipeline at the upper-position outlet of the heat storage water tank and then is connected with the four-way valve. The four-way valve is connected with an inlet of a gas-liquid separator, and an outlet of the gas-liquid separator is connected with the low-voltage protection switch and is connected with a gas inlet of the compressor.

Description

technical field [0001] The invention relates to the field of radiant heating, in particular to a heat storage type air source heat pump direct condensation floor heating system. Background technique [0002] The air source heat pump direct condensation floor radiant heating system uses refrigerant as the heat medium. The refrigerant condenses and releases heat directly in the floor heating coil, and the floor is heated through the floor heating coil. The floor acts as a heat dissipation surface to evenly dissipate heat to the indoor space. system. However, the conventional air source heat pump direct-condensing floor radiant heating system cannot store surplus energy during operation, and the energy efficiency is low; when defrosting, the defrosting efficiency is low, which damages the indoor environment; the system does not operate in transitional seasons, and the utilization rate is low. Contents of the invention [0003] The purpose of the present invention is to overc...

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Problems solved by technology

[0004] The present invention solves the problems of low energy efficiency ratio, frequent defrosting, low defrosting efficiency and short range of use seasons of the existing air source heat pump direct-condensing floor radiation heating system through the following technical solutions

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