CN203163350U

CN203163350U - Parallel flow evaporator

Info

Publication number: CN203163350U
Application number: CN 201320089343
Authority: CN
Inventors: 熊建军; 陈雪峰; 叶梅娇; 孙国庆
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2013-02-27
Filing date: 2013-02-27
Publication date: 2013-08-28
Anticipated expiration: 2023-02-27

Abstract

The utility model provides a parallel flow evaporator. The parallel flow evaporator comprises top collecting tubes, bottom collecting tubes and harmonica-shaped tubes. The top collecting tubes are arranged at the top, the bottom collecting tubes are arranged at positions corresponding to the top collecting tubes at the bottom, and insides of the harmonica-shaped tubes are communicated with the top collecting tubes and the bottom collecting tubes. One faces of the bottom collecting tubes corresponding to the top collecting tubes are arranged to be first faces, harmonica-shaped tube grooves for fixing the harmonica-shaped tubes are formed in the first faces, and at least one water guide groove is arranged in the middle of every two adjacent harmonica-shaped tube grooves. Second faces and third faces are connected with the first faces respectively, and water drainage grooves connected with the water guide grooves are arranged in the second faces and the second faces respectively.

Description

Parallel flow evaporator

Technical Field

The utility model relates to a parallel flow evaporator.

Background

At present, the parallel flow evaporator is more and more applied to an air conditioning system, and the parallel flow evaporator of a D-shaped pipe and other pipe type is more widely applied due to the convenient assembly. However, such a parallel flow evaporator is liable to cause the following problems due to poor drainage performance: 1. the phenomenon of frosting on the surface of an evaporator is easy to occur when the air conditioning system works, so that the refrigeration effect of the air conditioning system is poor; 2. the surface of the evaporator is easy to remain more water and breed bacteria, so that the peculiar smell of the air conditioner can be caused, and the health of a human body can be influenced.

SUMMERY OF THE UTILITY MODEL

For solving the poor technical problem of evaporimeter surface drainage performance, the utility model provides a parallel flow evaporimeter.

The utility model provides a pair of parallel flow evaporator, include: the upper end collecting pipe is positioned at the upper end; the lower end collecting pipe is positioned at the lower end and corresponds to the upper end collecting pipe in position; a harmonica tube internally communicated with the upper end collecting pipe and the lower end collecting pipe; the harmonica pipe comprises a lower end collecting pipe, an upper end collecting pipe and a lower end collecting pipe, wherein one surface of the lower end collecting pipe, which corresponds to the upper end collecting pipe, is set as a first surface, harmonica pipe grooves for fixing harmonica pipes are arranged on the first surface, at least one water guide groove is arranged between every two adjacent harmonica pipe grooves, the second surface and the third surface are connected with the first surface respectively, and water drainage grooves connected with the water guide grooves are arranged on the second surface and the third surface respectively.

Further, the first surface is a circular arc surface.

Furthermore, the surface opposite to the first surface is set as a fourth surface, the fourth surface is respectively connected with the second surface and the third surface, and a water collecting groove connected with a water drainage groove is arranged on the fourth surface.

Further, the upper end header includes: a first header and a third header; the parallel flow evaporator further comprises: the inlet pipe is connected with the first collecting pipe, and the outlet pipe is connected with the third collecting pipe.

Furthermore, the lower end collecting pipe comprises a second collecting pipe and a fourth collecting pipe, and drainage grooves on the second collecting pipe and the fourth collecting pipe are correspondingly arranged.

The utility model provides a parallel flow evaporator, interconnect's that sets up guiding gutter and water drainage tank on the lower extreme pressure manifold for the comdenstion water on the lower extreme pressure manifold can be discharged away with higher speed, is unlikely to remain on the evaporimeter surface, has improved parallel flow evaporator's drainage performance, and the refrigeration effect and the peculiar smell of air conditioner are improved as far as possible, have improved the travelling comfort of air conditioner promptly.

Drawings

Fig. 1 is a schematic view of a parallel flow evaporator according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a lower header portion according to an embodiment of the present invention.

Fig. 3 is another enlarged view of the lower header portion according to the embodiment of the present invention.

Fig. 4 is a schematic view of a fourth surface of the lower header according to an embodiment of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, an embodiment of the present invention provides a parallel flow evaporator, including:

an upper end header 100 at an upper end;

a lower header pipe 200 positioned at the lower end and corresponding to the upper header pipe 100;

a harmonica tube 300 internally communicating the upper end header 100 and the lower end header 200;

wherein,

one surface of the lower end collecting pipe 200 corresponding to the upper end collecting pipe 100 is set as a first surface 210, a harmonica pipe groove 211 for fixing a harmonica pipe 300 is arranged on the first surface 210, at least one water chute 212 is arranged between two adjacent harmonica pipe grooves 211,

the second surface 220 and the third surface 230 are connected to the first surface 210, and the second surface 220 and the third surface 230 are provided with drain grooves 221 connected to the water guide groove 212, respectively.

The water chute 212 and the water drainage groove 221 which are connected with each other are arranged on the lower end collecting pipe 200, so that condensed water on the lower end collecting pipe 200 can be drained away at an accelerated speed and is prevented from remaining on the surface of the evaporator, the drainage performance of the parallel flow evaporator is improved, the refrigeration effect and the peculiar smell of the air conditioner are improved as much as possible, and the comfort of the air conditioner is improved.

Preferably, the first surface 210 is an arc surface, and the arc surface can utilize gravity, so that the drainage performance of the first surface 210 is better.

Specifically, a surface facing the first surface 210 is a fourth surface 240, the fourth surface 240 connects the second surface 220 and the third surface 230, and the fourth surface 240 is provided with a water collecting groove 241 connected to the drain groove 221. The water collection groove 241 can make the water flowing into the drainage groove 221 better collect at the bottom of the lower end collecting pipe 200, so as to drip, and the water on the lower end collecting pipe 200 can be drained better and faster.

The embodiment of the utility model provides a pair of parallel flow evaporator, wherein upper end pressure manifold 100 and corresponding lower extreme pressure manifold 200 have two sets ofly, and upper end pressure manifold 100 includes first pressure manifold and third pressure manifold promptly, and lower extreme pressure manifold 200 includes second pressure manifold and fourth pressure manifold, and first pressure manifold and third pressure manifold form first group's liquid chamber, and second pressure manifold and fourth pressure manifold form second group's liquid chamber. The parallel flow evaporator comprises: the liquid storage device comprises an inlet pipe 110 and an outlet pipe 120, wherein the inlet pipe 110 and the outlet pipe 120 are respectively connected with a first group of liquid chambers, the inlet pipe 110 is connected with a first collecting pipe, and the outlet pipe 120 is connected with a third collecting pipe.

Specifically, a parallel flow evaporator includes:

the first collecting pipe and the third collecting pipe are positioned at the upper end, and the first collecting pipe is fixedly connected with the third collecting pipe;

the second collecting pipe and the fourth collecting pipe are positioned at the lower end, and the second collecting pipe is fixedly connected with the fourth collecting pipe;

harmonica tubes 300 which are internally communicated with the first collecting pipe and the second collecting pipe and the third collecting pipe and the fourth collecting pipe;

wherein,

one surfaces of the second header and the fourth header corresponding to the first header and the third header are set as a first surface 210, the first surface 210 is provided with harmonica tube grooves 211 for fixing harmonica tubes 300, at least one water chute 212 is arranged between two adjacent harmonica tube grooves 211,

the second surface 220 and the third surface 230 are connected to the first surface 210, and the second surface 220 and the third surface 230 are provided with a drain groove 221 connected to the water guide groove 212.

Specifically, the first surface 210 is an arc surface, and gravity can be utilized to the arc surface, so that the drainage performance of the first surface 210 is better.

Specifically, the drainage grooves 221 on the second collecting pipe and the fourth collecting pipe are correspondingly arranged, and the two opposite drainage grooves 221 form the same drainage pipeline, so that the flow of condensed water cannot be hindered.

Specifically, a surface facing the first surface 210 is a fourth surface 240, the fourth surface 240 connects the second surface 220 and the third surface 230, and the fourth surface 240 is provided with a water collecting groove 241 connected to the drain groove 221. The water collection groove 241 can make the condensed water flowing into the drainage groove 221 better collect at the bottom of the lower end collecting pipe 200, so as to drip, and the condensed water on the lower end collecting pipe 200 can be drained away better and faster.

The embodiment of the present invention provides a parallel flow evaporator generally used in a refrigerant circulation path of an automobile Air conditioner, the evaporator being assembled in an HVAC (Heating and Air Conditioning) assembly of the automobile Air conditioner, and the up-down direction corresponding to the position in fig. 1. When wet air is blown from the blower to and through the evaporator, water vapor in the air exchanges heat with the evaporator, and the water vapor releasing the heat condenses into liquid water droplets on the surface of the evaporator. The water droplets move downward along the harmonica tubes 300 and the fins by gravity until reaching the lower end header 200. The water chute 212 and the water drainage groove 221 of the lower header 200 discharge the condensed water to the outside of the evaporator core, and because the condensed water cannot be completely discharged through the water drainage groove 221, the residual condensed water will continue to flow along the water collection groove 241, and the water collection groove 241 collects the residual condensed water into water drops to be discharged out of the evaporator core, the main purpose of this process is to discharge the condensed water from the surface of the evaporator as much as possible.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A parallel flow evaporator comprising:

an upper end collecting pipe (100) positioned at the upper end;

a lower end collecting pipe (200) which is positioned at the lower end and corresponds to the upper end collecting pipe (100);

a harmonica tube (300) internally communicated with the upper end collecting pipe (100) and the lower end collecting pipe (200);

it is characterized in that the preparation method is characterized in that,

one surface of the lower end collecting pipe (200) corresponding to the upper end collecting pipe (100) is set as a first surface (210), the first surface (210) is provided with harmonica pipe grooves (211) for fixing harmonica pipes (300), at least one water guide groove (212) is arranged between two adjacent harmonica pipe grooves (211),

the second surface (220) and the third surface (230) are respectively connected with the first surface (210), and the second surface (220) and the third surface (230) are respectively provided with a drainage groove (221) connected with the water guide groove (212).

2. A parallel flow evaporator according to claim 1, wherein the first face (210) is a circular arc face.

3. A parallel flow evaporator according to claim 1, wherein a fourth surface (240) is provided on a surface opposite to the first surface (210), the fourth surface (240) is connected to the second surface (220) and the third surface (230), respectively, and a water collection groove (241) connected to the water discharge groove (221) is provided on the fourth surface (240).

4. A parallel flow evaporator according to claim 1, wherein the upper header (100) comprises: a first header and a third header;

the parallel flow evaporator further comprises: the device comprises an inlet pipe (110) and an outlet pipe (120), wherein the inlet pipe (110) is connected with a first collecting pipe, and the outlet pipe (120) is connected with a third collecting pipe.

5. The parallel flow evaporator as recited in claim 4, wherein said lower header (200) comprises a second header and a fourth header, and said drain grooves (221) of said second header and said fourth header are correspondingly disposed.