CN203163350U - Parallel flow evaporator - Google Patents

Abstract

The utility model provides a parallel-flow evaporator, comprising: an upper header located at the upper end; a lower header located at the lower end corresponding to the upper header; and an internal connection between the upper header and the lower header Harmonica pipe; wherein, the side corresponding to the lower collecting pipe and the upper collecting pipe is set as the first surface, and the harmonica pipe groove for fixing the harmonica pipe is arranged on the first surface, and a harmonica pipe groove is arranged between two adjacent harmonica pipe grooves. At least one water guide groove, the second surface and the third surface connected to the first surface are respectively provided with drainage grooves connected with the water guide groove on the second surface and the third surface.

Description

A parallel flow evaporator

technical field

The utility model relates to a parallel flow evaporator.

Background technique

At present, parallel-flow evaporators are more and more used in air-conditioning systems. D-tube and other tube-type parallel-flow evaporators are widely used because of their convenient assembly. However, due to the poor drainage performance of this type of parallel flow evaporator, it is easy to cause the following problems: 1. The surface of the evaporator is prone to frosting when the air conditioning system is working, resulting in poor cooling effect of the air conditioning system; 2. The surface of the evaporator is prone to residues More water is easy to breed bacteria, which will not only cause peculiar smell of the air conditioner, but also affect human health.

Utility model content

In order to solve the technical problem of poor drainage performance on the surface of the evaporator, the utility model provides a parallel flow evaporator.

The utility model provides a parallel-flow evaporator, comprising: an upper header located at the upper end; a lower header located at the lower end corresponding to the upper header; an internal connection between the upper header and the lower header Harmonica pipe; wherein, the side corresponding to the lower collecting pipe and the upper collecting pipe is set as the first surface, and the harmonica pipe groove for fixing the harmonica pipe is arranged on the first surface, and a harmonica pipe groove is arranged between two adjacent harmonica pipe grooves. At least one water guide groove, the second surface and the third surface connected to the first surface are respectively provided with drainage grooves connected with the water guide groove on the second surface and the third surface.

Further, the first surface is an arc surface.

Further, the side opposite to the first side is defined as a fourth side, and the fourth side is respectively connected to the second side and the third side, and the fourth side is provided with a water collection tank connected to the drainage tank.

Further, the upper header includes: a first header and a third header; the parallel flow evaporator further includes: an inlet pipe and an outlet pipe, the inlet pipe is connected to the first header, The outlet pipe is connected to the third header.

Furthermore, the lower header includes a second header and a fourth header, and the drainage grooves on the second header and the fourth header are arranged correspondingly.

The utility model provides a parallel flow evaporator. The interconnected water guiding groove and drainage groove arranged on the lower collecting pipe can accelerate the draining of the condensed water on the lower collecting pipe so as not to remain on the surface of the evaporator. The drainage performance of the parallel flow evaporator is improved, and the cooling effect and peculiar smell of the air conditioner are improved as much as possible, that is, the comfort of the air conditioner is improved.

Description of drawings

Fig. 1 is a schematic diagram of a parallel flow evaporator according to an embodiment of the utility model.

Fig. 2 is an enlarged schematic diagram of the lower header part of the embodiment of the present invention.

Fig. 3 is a schematic diagram showing another enlarged direction of the lower collector part of the embodiment of the present invention.

Fig. 4 is a schematic diagram of the fourth side of the lower header of the embodiment of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

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

The upper header 100 located at the upper end;

The lower header 200 located at the lower end and corresponding to the upper header 100;

The harmonica tube 300 internally connected with the upper header 100 and the lower header 200;

in,

The side of the lower header 200 corresponding to the upper header 100 is set as the first surface 210, and the first surface 210 is provided with a harmonica pipe groove 211 for fixing the harmonica pipe 300, between two adjacent harmonica pipe grooves 211 at least one water guide groove 212 is provided,

Connected to the first surface 210 are a second surface 220 and a third surface 230 respectively, and drainage grooves 221 connected to the water guide grooves 212 are respectively provided on the second surface 220 and the third surface 230 .

The interconnected water guide groove 212 and drainage groove 221 provided on the lower header 200 allow the condensed water on the lower header 200 to be drained away at an accelerated rate so as not to remain on the surface of the evaporator, thereby improving the drainage of the parallel flow evaporator The performance, cooling effect and peculiar smell of the air conditioner are improved as much as possible, that is, 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, the side opposite to the first surface 210 is set as a fourth surface 240, and the fourth surface 240 is respectively connected to the second surface 220 and the third surface 230, and the fourth surface 240 is provided with a drainage groove 221 Connected sink 241 . The water collection tank 241 can make the water flowing into the drainage tank 221 better converge to the bottom of the lower header 200 so as to drip down, so that the water on the lower header 200 can be drained away better and faster.

In the parallel flow evaporator provided by the embodiment of the present invention, there are two sets of upper headers 100 and corresponding lower headers 200, that is, the upper headers 100 include a first header and a third header , the lower header 200 includes a second header and a fourth header, the first header and the third header form a first group of liquid chambers, and the second header and the fourth header form a second header Two sets of liquid chambers. The parallel flow evaporator includes: an inlet pipe 110 and an outlet pipe 120, the inlet pipe 110 and the outlet pipe 120 are respectively connected to the first group of liquid chambers, the inlet pipe 110 is connected to the first header, and the outlet pipe 120 is connected to the third header.

Specifically, a parallel flow evaporator includes:

a first header and a third header located at the upper end, the first header is fixedly connected to the third header;

a second header and a fourth header located at the lower end, the second header is fixedly connected to the fourth header;

A harmonica pipe 300 internally connected to the first header and the second header, and connected to the third header and the fourth header;

in,

The side of the second header and the fourth header corresponding to the first header and the third header is set as the first surface 210, and the first surface 210 is provided with a harmonica pipe groove for fixing the harmonica pipe 300 211, at least one water guiding groove 212 is provided between two adjacent harmonica pipe grooves 211,

Connected to the first surface 210 are a second surface 220 and a third surface 230 respectively, and a drainage groove 221 connected to the water guide groove 212 is provided on the second surface 220 and the third surface 230 .

Specifically, 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, the drainage grooves 221 on the second collecting pipe and the fourth collecting pipe are arranged correspondingly, and the opposite drainage grooves 221 are like drainage pipes, which will not hinder the flow of condensed water.

Specifically, the side opposite to the first surface 210 is set as a fourth surface 240, and the fourth surface 240 is respectively connected to the second surface 220 and the third surface 230, and the fourth surface 240 is provided with a drainage groove 221 Connected sink 241 . The water collection tank 241 can make the condensed water flowing into the drainage tank 221 better gather to the bottom of the lower header 200 to drip down, so that the condensed water on the lower header 200 can be drained better and faster. Walk.

The parallel flow evaporator provided by the embodiment of the present invention is usually used in the refrigerant circulation path of the automobile air conditioner, and the evaporator is assembled in the HVAC (Heating, Ventilation and Air Conditioning) assembly of the automobile air conditioner, and the upper - The down direction corresponds to the position in Fig. 1 . When the humid air is blown from the blower to and passes through the evaporator, the water vapor in the air will exchange heat with the evaporator, and the water vapor that releases heat will condense into liquid water droplets on the surface of the evaporator. The water drop will move down along the harmonica tube 300 and the fins to the lower header 200 due to gravity. The water guide groove 212 and the drainage groove 221 of the lower header 200 will discharge the condensed water to the outside of the evaporator core, because the condensed water will not be completely discharged through the drainage groove 221, and the remaining condensed water will continue to flow along the water collection groove 241 to collect The water tank 241 collects the remaining condensed water into water droplets and discharges 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 descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (5)

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.

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