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Outdoor unit and heat pump system

A technology for outdoor units and outdoor heat exchangers, applied in heat pumps, air-conditioning systems, refrigerators, etc., can solve problems such as flow through heat exchangers, difficulty in ensuring refrigerant, etc., and achieve the effect of improving heat dissipation efficiency

Pending Publication Date: 2021-10-19
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the heat pump system will reverse the direction of the refrigerant during cooling and heating, it is difficult to ensure that the refrigerant can flow through the heat exchanger in the expected direction in all modes.

Method used

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  • Outdoor unit and heat pump system
  • Outdoor unit and heat pump system
  • Outdoor unit and heat pump system

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Embodiment Construction

[0020] Hereinafter, the present application will be described in detail with reference to exemplary embodiments in the accompanying drawings. It should be understood, however, that this application may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided here to make the disclosure content of the application more complete and similar, and to fully convey the concept of the application to those skilled in the art.

[0021] In addition, for any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature shown or implied in the drawings, the application still allows the use of these technical features (or and their equivalents) without any technical barriers, thereby obtaining more other embodiments of the present application that may not be directly mentioned herein.

[0022] see figure 1 , which shows an embodiment of the heat pump s...

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Abstract

The invention provides an outdoor unit and a heat pump system. The outdoor unit comprises a compressor, a mode switching valve assembly, an outdoor heat exchanger, a first pipeline port, a second pipeline port, a first branch, a second branch and a third branch; the compressor, the mode switching valve assembly and the outdoor heat exchanger are connected through pipelines, and the first pipeline port and the second pipeline port are in butt joint with an indoor unit; the first branch is connected with the mode switching valve assembly and the first pipeline port, and the outdoor heat exchanger and a first switch valve assembly located on the refrigerant inlet side are arranged on the first branch; the second branch is connected with the mode switching valve assembly and the first pipeline port, provided with a second switch valve assembly and connected with the outdoor heat exchanger in parallel; and the third branch is connected with the second pipeline port and a refrigerant inlet of the outdoor heat exchanger, wherein the first switch valve assembly and the second switch valve assembly are configured to control connection and disconnection of the first branch and the second branch when the mode switching valve assembly randomly switches the flow direction of a refrigerant, so that the refrigerant sequentially flows through the refrigerant inlet and a refrigerant outlet of the outdoor heat exchanger. The outdoor unit has improved heat dissipation efficiency.

Description

technical field [0001] The present application relates to the field of air conditioning and refrigerating and freezing equipment, and more specifically, the present application relates to an outdoor unit and a heat pump system for cooling and heating. Background technique [0002] At present, the heat pump system is a system with mature technology and widely used. It can be used not only in the field of sanitary hot water and heating, but also in the field of air conditioning in residential or commercial buildings. This type of heat pump system usually consists of an outdoor unit and an indoor unit. As the name implies, the outdoor unit is usually arranged outside the space where the temperature is to be adjusted, so it has relatively low requirements on noise, appearance, volume, etc., so multiple components necessary for the heat pump system can be arranged inside the outdoor unit, such as the compressor machine, outdoor heat exchanger, etc. Among them, for a type of out...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B41/40F25B41/20F25B49/02F25B30/02F24F1/18
CPCF25B41/00F25B49/02F25B30/02F24F1/18F25B13/00F25B41/20F25B2313/0231F25B2313/006F25B2313/0272F25B2400/23F25B2600/2515F25B2600/2519F25B41/40
Inventor 申广玉翟辉
Owner CARRIER CORP
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