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Condenser and refrigeration device

A condenser and fin technology, applied in the field of condensers and refrigeration devices, can solve the problems of low heat exchange efficiency of condenser fins, low heat exchange efficiency of condensers, and high heat exchange efficiency, so as to improve market competitiveness, Facilitate the passage of airflow and improve the effect of heat exchange efficiency

Pending Publication Date: 2020-02-07
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the air volume blown to the fins of the condenser is basically consistent with the size of the wind field generated by the fan blades. Therefore, the heat exchange efficiency of the condenser fins located in the middle of the axial flow fan blades is low, and the heat transfer efficiency is low at the parts around the axial flow fan blades. The heat transfer efficiency of the fins facing the condenser is high, which leads to a decrease in the overall heat transfer efficiency of the condenser

Method used

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  • Condenser and refrigeration device
  • Condenser and refrigeration device
  • Condenser and refrigeration device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: as figure 2 As shown, the width of the fins 2 of the drag reducing portion 4 is smaller than the width of the fins 2 of other parts. The width range of the fins 2 of the drag reducing part 4 can be controlled between 22-26mm, and the optimal heat dissipation effect is 24mm. In this way, the low-speed airflow in the blind area of ​​the wind field has a shorter stroke and lower resistance.

Embodiment 2

[0028] Embodiment 2: as image 3 As shown, the heat pipe 1 is arranged around the drag reducing portion 4 . Specifically, the radiating pipe 1 includes a straight pipe portion 11 located on the upper and lower sides of the drag reducing portion 4, and curved pipe portions 12 located on the left and right sides of the drag reducing portion 4. on the straight pipe part 11 of the This reduces the complexity of the air duct of the drag reducing portion 4 and lowers the resistance.

[0029] And in order to further reduce the resistance, the above two solutions can be used simultaneously.

[0030] In addition to the above two solutions, other solutions can also be adopted, for example, the distance between adjacent fins 2 of the drag reducing part 4 is greater than the distance between adjacent fins 2 of other parts. The distance between adjacent fins 2 of the drag reducing part 4 can be controlled within 1.2-1.6 mm, and the optimal heat dissipation effect is 1.2 mm.

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Abstract

The invention discloses a condenser and a refrigeration device. The condenser comprises heat dissipation tubes and fins, the fins are arranged layer by layer, the heat dissipation tubes are arranged on the fins in repeatedly-wound and penetrating modes, a resistance reduction part is arranged in the part, in a blind area of a wind field, of the fins, and the resistance, allowing airflow to pass, of the fins at the resistance reduction part is low relative to the resistance of the fins at the other parts. According to the condenser, resistance reduction treatment is conducted on the blind areaof the wind field, so that the airflow conveniently passes, it is ensured that the heat exchange efficiency is improved, and thus market competitiveness is improved.

Description

technical field [0001] The invention belongs to the refrigeration field, in particular to a condenser and a refrigeration device. Background technique [0002] There are various types of existing air conditioners, and the competition is fierce. Cost reduction and energy efficiency improvement have become particularly important in the field of air conditioners. The heat exchange principle of the air conditioner is mainly realized by the compressor driving the entire pipeline system, so that the evaporator inside the air conditioner room absorbs heat and the outside of the air conditioner room releases heat. [0003] However, the traditional air conditioner condenser is composed of heat dissipation pipes, fins, sheet metal side plates, etc., and its shape is generally regular, such as: rectangle, L shape, U shape, etc. The heat exchange of the condenser is mainly caused by the rotation of the fan blades outside the air-conditioning room. The airflow formed by the rotation of ...

Claims

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Application Information

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IPC IPC(8): F25B39/04F24F13/30
CPCF24F13/30F25B39/04
Inventor 薛源仲明凯罗国枢张磊
Owner GREE ELECTRIC APPLIANCES INC