Heat exchange pipe and heat pump unit

A technology of heat exchange tubes and heat exchange structures, which can be applied to heat sinks, refrigerators, refrigeration components, etc., and can solve the problems of high manufacturing costs of heat pump units

Inactive Publication Date: 2018-12-28
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a heat exchange tube and a heat pump unit

Method used

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  • Heat exchange pipe and heat pump unit
  • Heat exchange pipe and heat pump unit
  • Heat exchange pipe and heat pump unit

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Embodiment Construction

[0024] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and the drawings. Here, the exemplary embodiments of the present invention and the description thereof are used to explain the present invention, but not as a limitation to the present invention.

[0025] figure 1 An embodiment of the heat exchange tube of the present invention is shown. The heat exchange tube includes a tube body 10 and fins 40 provided on the outer surface of the tube body 10. A condensation heat exchange structure is formed on the fin 40, and an evaporation heat exchange structure is formed between the fin 40 and the outer surface.

[0026] Applying the technical solution of the present invention, the tube body 10 is provided with a condensation heat exchange structure for condensation heat exchange and an evaporation heat exchange structure for evaporatio...

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Abstract

The invention provides a heat exchange pipe and a heat pump unit. The heat exchange pipe comprises a pipe body and fins arranged on the outer surface of the pipe body. Condensation heat exchange structures are formed on the fins, and evaporation heat exchange structures are formed between the fins and the outer surface. By applying the heat exchange pipe, the condensation heat exchange structuresused for condensation heat exchange and the evaporation heat exchange structures used for evaporation heat exchange are arranged simultaneously on the pipe body. Aiming at the condensation process, the condensation heat exchange structures formed on the fins can meet the structural need for condensation heat exchange, and aiming at the evaporation process, the evaporation heat exchange structuresformed between the fins and the outer surface can meet the structural need for evaporation heat exchange. In this way, the heat exchange pipe can be suitable for the refrigerating working condition and the heating working condition of the heat pump unit simultaneously, and the manufacturing cost of the heat pump unit is lowered.

Description

Technical field [0001] The invention relates to the technical field of refrigeration, and in particular to a heat exchange tube and a heat pump unit. Background technique [0002] The air source screw heat pump unit can be used for cooling in summer and heating in winter. The cooling and heating functions can be switched at any time as needed. Its versatility is favored by the market, especially for medium-scale commercial buildings in hot summer and cold winter areas It is widely used. In the early stage, the structure of the evaporator used in the heat pump unit was mainly dry evaporator, but the heat exchange efficiency of dry evaporator was low. In recent years, flooded evaporator and falling film evaporator have high heat transfer efficiency and unit energy efficiency. High ratio, widely used in heat pump units. In a flooded or falling film heat pump unit, under cooling conditions, the outside of the tube is a low-pressure saturated liquid refrigerant. The refrigerant evap...

Claims

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Application Information

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IPC IPC(8): F28F1/42F25B39/00
CPCF25B39/00F28F1/42F28F2215/10
Inventor 张营岳清学王春连王宗信胡海利
Owner GREE ELECTRIC APPLIANCES INC
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