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Heat exchange tube, heat exchanger and air conditioner

A heat exchange tube and tube body technology, applied in the fields of heat exchangers, air conditioners, and heat exchange tubes, can solve problems such as difficulty in improving heat exchange effects, improve evaporative heat exchange and condensation heat exchange effects, and reduce the risk of liquid strike , the effect of reducing the resistance in the tube

Pending Publication Date: 2020-02-21
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a heat exchange tube, a heat exchanger and an air conditioner to solve the problem that existing heat exchange tubes used in dry heat exchangers are difficult to improve The technical problem of its heat exchange effect; the many technical effects that can be produced by the preferred technical solutions in the many technical solutions provided by the present invention are detailed below.

Method used

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  • Heat exchange tube, heat exchanger and air conditioner
  • Heat exchange tube, heat exchanger and air conditioner
  • Heat exchange tube, heat exchanger and air conditioner

Examples

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Embodiment 1

[0033] refer to figure 1 and figure 2 said, figure 1 The first direction in figure 2 The second direction is the opposite direction. The present invention provides a heat exchange tube, which includes a tube body 1 and a helical spoiler structure arranged on the inner peripheral wall of the tube body 1 and extending helically along the axial direction of the tube body 1. The helix angle of the helical spoiler structure tends to increase along the flow direction of the fluid in the tube body 1 during evaporation.

[0034] The function of the above-mentioned spiral turbulence part is to play the role of turbulence when the fluid flows, and further improve the heat transfer effect.

[0035] in, figure 1 The direction from left to right along the tube body 1 shown in is the flow direction of the fluid in the tube during condensation (flow direction of gaseous refrigerant), figure 2 The direction from left to right along the tube body 1 shown in is the flow direction of the...

Embodiment 2

[0058] This embodiment provides a heat exchanger, including the above-mentioned heat exchange tube.

[0059] The heat exchanger provided in this embodiment is preferably a dry heat exchanger. Since it has the above-mentioned heat exchange tubes, it also has the ability to improve the evaporation heat exchange and condensation heat exchange effects and performance of the heat exchanger, and save heat exchanger consumables , the effect of reducing costs.

Embodiment 3

[0061] This embodiment provides an air conditioner, including the above-mentioned heat exchanger.

[0062] The air conditioner provided in this embodiment is provided with the above-mentioned heat exchanger, so it also has the effect of improving the evaporative heat exchange and condensation heat exchange effects and performance of the heat exchanger in the air conditioner, saving consumables, and reducing costs.

[0063] In the description of this specification, specific features, structures or characteristics may be combined in any one or more embodiments or examples in an appropriate manner.

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Abstract

The invention provides a heat exchange tube, a heat exchanger and an air conditioner, and relates to the technical field of heat exchangers. The technical problem that an existing heat exchange tube is used on a dry type heat exchanger and is difficult to improve the heat exchange effect under two working conditions of evaporation and condensation is solved. The heat exchange tube comprises a tubebody and a spiral turbulent flow structure arranged on the inner peripheral wall of the tube body and spirally extending in the axial direction of the tube body, and the spiral angle of the spiral turbulent flow structure has an increased tendency in the flow direction of fluid in the tube body during evaporation. The heat exchanger comprises the heat exchange tube, and the air conditioner comprises the heat exchanger. According to the heat exchange tube, the heat exchanger and the air conditioner, the spiral turbulent flow structure plays a turbulent flow role, so that the heat exchange areais increased; the spiral angle in the evaporation direction is increased under the working condition of evaporation, so that the resistance in the tube is increased, and the potential risk of compressor liquid impact due to the incomplete evaporation of refrigerant is reduced; and the spiral angle in the condensation direction is reduced under the working condition of condensation, so that the resistance in the tube is reduced, the liquid drainage resistance is reduced, and the condensation efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of heat exchange, in particular to a heat exchange tube, a heat exchanger and an air conditioner. Background technique [0002] In petroleum, chemical, light industry, pharmaceutical, energy and other industrial production, heat exchangers are often used to heat low-temperature fluids or cool high-temperature fluids, vaporize liquids into steam or condense steam into liquids. [0003] How to improve the heat transfer capacity of the heat exchanger has always been the research direction of people. Internally threaded heat exchange tubes appeared in the 1970s and have been widely used in both commercial and domestic air conditioners. Its purpose is to strengthen the heat transfer performance of the heat exchange tube, thereby improving the energy efficiency ratio of the air conditioning unit, reducing the energy consumption of the system, and promoting the development of the air conditioner in the direction o...

Claims

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Application Information

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IPC IPC(8): F28F1/40F24F13/30
CPCF24F13/30F28F1/40
Inventor 刘华张治平胡东兵胡海利王小勇陈锦贤
Owner GREE ELECTRIC APPLIANCES INC
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