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A heat pump system

A heat pump system and heat exchanger technology, applied in the field of heat pumps, can solve the problems of four-way valves that cannot be reversed and damaged four-way valves, and achieve the effect of expanding operation modes and improving heat recovery efficiency

Active Publication Date: 2020-03-24
QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present invention provides a heat pump system, which can solve the problem that the four-way valve cannot be reversed or the four-way valve is damaged due to the existence of liquid in the traditional heat recovery heat pump system

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Embodiment Construction

[0032] 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.

[0033] An embodiment of the present invention provides a heat pump system, such as Figure 1 to Figure 21 As shown, it includes a gas-liquid separator 11, a compressor 12, a first outdoor heat exchanger 131, an outdoor throttling member 14, a first valve 151 and a second valve 152 located on the outdoor side, and the first water tank located on the indoor side The module and the first indoor unit, the gas-liquid separator 11, the compressor 12, the first outdo...

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Abstract

The embodiments of the present invention provide a heat pump system, which relates to the technical field of heat pumps, and can solve the problem that the four-way valve cannot be reversed or damaged due to the existence of liquid in the traditional heat recovery heat pump system. The gas-liquid separator, the compressor, the first outdoor heat exchanger, the outdoor throttle and the first water module in the heat pump system are connected in sequence to form a closed flow path; the first indoor unit is connected in parallel at both ends of the first water module There is also a four-way valve in series in the closed flow path, one end of the first valve is connected to the connecting pipeline between the C end of the four-way valve and the first outdoor heat exchanger, and the other end is connected to the first water module; the second valve One end is connected to the connection pipeline between the outlet of the compressor and the D end of the four-way valve, and the other end is connected to the connection pipeline between the first valve and the first water module; the present invention is used for refrigeration and heating.

Description

technical field [0001] The invention relates to the technical field of heat pumps, in particular to a heat pump system. Background technique [0002] At present, the frequency conversion multi-connected heat recovery heat pump system has become a research hotspot in the field of heat pumps, and major domestic air-conditioning manufacturers are also committed to the development of this type of model. The traditional heat pump system can generally realize four operation modes: cooling operation mode, heating operation mode, cooling and heating at the same time and cooling as the main operation mode, cooling and heating at the same time and heating as the main operation mode, the above four modes It mainly depends on the switching of more than two four-way valves in the outdoor unit. This multi-four-way valve system may cause the gaseous refrigerant to condense into a liquid state, and there is a dead cycle in the four-way valve; when the four-way valve needs to change directio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B13/00F25B41/04F25B41/20F25B41/30
CPCF25B13/00F25B2600/25F25B2313/023F25B2313/02741F25B41/20
Inventor 颜鹏张贺孙杨
Owner QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
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