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Heat converter for outdoor machine of air-conditioner and outdoor aerials using the same

An air conditioner outdoor unit and heat exchanger technology, which is applied in the field of outdoor unit heat exchangers of cooling and heating heat pump type air conditioners, can solve the problems of low heat exchange capacity and effect, and achieves the improvement of cooling effect, obvious heat exchange effect, and increased flow rate. Effect

Inactive Publication Date: 2008-04-09
HISENSE +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a heat exchanger for an outdoor unit of an air conditioner and an outdoor unit using the heat exchanger, which can solve the problems in the prior art that the heat exchange capacity and effect are not high due to the low flow rate of the refrigerant

Method used

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  • Heat converter for outdoor machine of air-conditioner and outdoor aerials using the same
  • Heat converter for outdoor machine of air-conditioner and outdoor aerials using the same

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Embodiment Construction

[0020] Referring to Fig. 1 and Fig. 2, the design concept of the present invention is to improve the flow of the refrigerant to increase the flow rate of the refrigerant in the U-shaped tube 12 of the outer heat exchanger, thereby improving the heat exchange effect.

[0021] The refrigerant enters through the inlet pipe 13, and is divided into four channels to form four inlet pipes 13-1, 13-2, 13-3, and 13-4, and enters the U-shaped copper tube 11 of the inner row heat exchanger. After the same number of U-shaped copper tubes 11 of the inner row heat exchanger, for example, 3 U-shaped tubes, enter the U-shaped tube 12 of the outer row heat exchanger through the jumper pipe 14, and the U-shaped tube 11 of the inner row heat exchanger at the confluence The two channels of refrigerant diverge into the outlet ports of the same number of U-shaped tubes, so that the distance of each channel is equal and the heat exchange is balanced. Each path of refrigerant entering the U-shaped tu...

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Abstract

The invention provides a heat exchanger for an outdoor machine of an air conditioner and an outdoor machine using the heat exchanger, ,which can enhance the flow speed of the refrigerants so as to enhance the heat exchanging capacity on the existing basis. The technical scheme of the invention is that the refrigerant diffluence is applied to an inlet tube in even ways and the inlet tube is connected with an internal drainage U-shaped copper tube; and every two ways of refrigerants are converged into one way of refrigerant after each way of refrigerant flows through various pipelines of the internal drainage U-shaped copper tube and one way of refrigerant enters an external drainage U-shaped copper tube; each way of refrigerant entering the external drainage U-shaped copper tube is converged into one way by a confluence device after flowing through various pipelines of the external drainage U-shaped pipeline so as to enter a subcooling region at the lower end of the heat exchanger. When the refrigerant diffluence is carried out, two ways of refrigerants are converged into one way of refrigerant. When the confluence is conducted, the flow speed of the refrigerant is enhanced, the heat transfer rate in unitary time is enhanced and the energy efficiency ratio of the refrigeration is enhanced too, and the heating effect is assured when the heating is carried out, due to the increase of the flow rate.

Description

technical field [0001] The invention relates to an outdoor heat exchanger for an air conditioner, in particular to an outdoor unit heat exchanger of a heating and cooling heat pump type air conditioner used in an air conditioner, and is an optimization and improvement of the heat exchange capacity of the existing outdoor heat exchanger. Background technique [0002] The existing on-hook outdoor heat exchangers generally use double-row heat exchangers for high-efficiency machines, which are divided into inner-row heat exchangers and outer-row heat exchangers. The flow direction adopts the design of reverse flow or mixed flow. The reverse flow is the U-shaped tube of the inner row heat exchanger and then the U-shaped tube of the outer row heat exchanger. The reverse direction refers to the flow from the inside to the outside, which is opposite to the direction of the wind. Mixed direction is the alternating flow of inside and outside. The heat exchanger process of multiple U-...

Claims

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Application Information

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IPC IPC(8): F24F13/30
Inventor 陈凤坡王剑锋
Owner HISENSE
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