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Bayonet-tube collecting and distributing tube for automotive parallel flow evaporator

A parallel flow and evaporator technology, which is applied in the field of intubation type collecting and shunt pipes, can solve the problems of poor flow distribution uniformity and affect the heat exchange performance of heat exchangers, achieve uniform flow distribution, improve flow distribution uniformity, and be easy to popularize and use. Effect

Inactive Publication Date: 2014-04-30
LIUZHOU WULING YITONG AUTOMOBILE AIR CONDITIONER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an intubated collector-distributor tube for a parallel-flow evaporator used in vehicles to solve the disadvantages of poor flow distribution uniformity and serious impact on the heat transfer performance of the heat exchanger

Method used

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  • Bayonet-tube collecting and distributing tube for automotive parallel flow evaporator
  • Bayonet-tube collecting and distributing tube for automotive parallel flow evaporator
  • Bayonet-tube collecting and distributing tube for automotive parallel flow evaporator

Examples

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Embodiment 1

[0021] Figure 1-Figure 2 Disclosed in is an intubated collector-distributor tube for parallel-flow evaporators for vehicles, which includes an integral tube body 1, the two ends of the tube body 1 are respectively inserted into the grooves of the end cover 2, and the inside of the tube body 1 is arranged along the axial direction. There are two independent inner cavities: two independent inner cavities: the first manifold Q1, the second manifold Q2, and the bottoms of the first manifold Q1 and the second manifold Q2 are evenly distributed with harmonica tube installation hole 107, a shunt pipe 3 parallel to the second manifold is inserted longitudinally in the second manifold Q2, and the inner cavity of the shunt pipe 3 forms a shunt chamber Q3, and the shunt pipe 3 is provided with a shunt The cavity Q3 communicates with the flow hole 108 of the second manifold Q2. The pipe body 1 is also equipped with a welding piece 109 which is convenient for welding with external compon...

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Abstract

The invention discloses a bayonet-tube collecting and distributing tube for an automotive parallel flow evaporator, and relates to a heat exchanger element. The bayonet-tube collecting and distributing tube comprises a tube body, two independent inner cavities are axially formed in the tube body and include a first collecting cavity and a second collecting cavity, harmonica-shaped tube mounting holes are uniformly formed in the bottoms of the first collecting cavity and the second collecting cavity, a distributing tube with a distributing cavity is longitudinally arranged in one of the first collecting cavity and the second collecting cavity of the tube body, and an overflowing hole is formed in the distributing tube and used for communicating the distributing cavity with the first collecting cavity or the second collecting cavity. A soldering lug conveniently soldered with an external part is assembled at one end of the tube body with the harmonica-shaped tube mounting holes. Flow distribution is uniform, the heat exchange performance of the evaporator can be greatly enhanced, and the bayonet-tube collecting and distributing tube is simple in machining process, convenient to assemble, low in production cost and easy to popularize and use.

Description

technical field [0001] The invention relates to a heat exchange element, in particular to an intubated collecting and distributing pipe of a parallel flow evaporator for vehicles. Background technique [0002] With the continuous improvement of the manufacturing process, the car air-conditioning evaporator has successively appeared tube-sheet type, tube-belt type, stacked type, and parallel flow structure. There are mainly two types of evaporators with stacked and parallel flow structures. The heat exchange efficiency in the microchannel structure is higher than that of other structures, so there is a tendency to gradually replace the laminated structure. The collector pipe of the existing parallel flow evaporator is generally extruded as a whole to form two semi-arc tubes, which are connected by riveting to form an inner cavity, and flow hole spacers with various apertures are set in the inner cavity to make it play a role in shunting. role (see image 3 ), but the header ...

Claims

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Application Information

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IPC IPC(8): F28F9/02F25B39/02
Inventor 陈创军龙超华
Owner LIUZHOU WULING YITONG AUTOMOBILE AIR CONDITIONER
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