CN216954150U

CN216954150U - Non-equidistant finned heat exchanger

Info

Publication number: CN216954150U
Application number: CN202220108831.0U
Authority: CN
Inventors: 李华; 吴琦
Original assignee: Sichuan Beiyuan Technology Co ltd
Current assignee: Sichuan Beiyuan Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-12
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a non-uniform fin distance fin heat exchanger, and particularly relates to the field of heat exchangers. The utility model has the advantages that the multiple rows of heat exchange pipelines are arranged, the distances between the fins on the heat exchange pipelines are sequentially reduced from front to back at the position of the air inlet, the heat exchanger can be applied to air heat exchangers in various occasions such as air conditioners and the like, the design characteristics are that the offset distance of the fins on the windward side is larger, the offset distance of the fins on the leeward side is smaller, the design makes up the defect of poor heat exchange efficiency of the back row, and the wind resistance of the fin heat exchanger can be effectively reduced.

Description

Non-equidistant fin heat exchanger

Technical Field

The utility model belongs to the technical field of heat exchangers, and particularly relates to a non-equidistant fin heat exchanger.

Background

The fin heat exchanger is commonly used for heat exchange between refrigerant and other media and air, and is limited by volume, the heat exchange quantity of the fin heat exchanger on the leeward side is reduced rapidly due to inconsistent air temperature on the windward side and air temperature on the leeward side of the multi-row heat exchanger and inconsistent turbulence coefficient of the air, the heat exchange quantity on the windward side is high, the efficiency of the heat exchanger on the windward side with the leeward side is inconsistent, the front and rear rows of the conventional multi-row heat exchanger are equidistant, the rear row efficiency of the fin is poor, and the wind resistance is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a non-equidistant fin heat exchanger, which aims to solve the existing problems.

The utility model is realized in such a way, and provides the following technical scheme: the utility model provides a non-uniform fin is apart from finned heat exchanger, includes first heat transfer pipeline, second heat transfer pipeline, third heat transfer pipeline, first fin end plate, second fin end plate, long fin, well fin, short fin, the one end of first heat transfer pipeline is provided with first fin end plate, the other end of first heat transfer pipeline is provided with second fin end plate, second heat transfer pipeline is installed to one side of first heat transfer pipeline, third heat transfer pipeline is installed to one side of second heat transfer pipeline, be provided with long fin, well fin and short fin between first fin end plate and the second fin end plate.

In a preferred embodiment, the long fins cover the first heat exchange pipe, the second heat exchange pipe and the third heat exchange pipe.

In a preferred embodiment, the middle fin covers the second heat exchange pipe and the third heat exchange pipe.

In a preferred embodiment, the short fins are overlaid on the third heat exchange tubes.

In a preferred embodiment, a distance formed between the long fins on the first heat exchange pipe is a, a distance formed between the long fins and the middle fins on the second heat exchange pipe is B, and a distance formed between every two of the long fins, the middle fins and the short fins on the third heat exchange pipe is C, wherein a is greater than B, and B is greater than C.

In a preferred embodiment, the first heat exchange pipe, the second heat exchange pipe and the third heat exchange pipe are distributed in parallel, wherein the first heat exchange pipe is located at a position facing the wind.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up multirow heat transfer pipeline, in the position department in the windward side, the interval of fin reduces in proper order from the past backward on the heat transfer pipeline, can be applied to the air heat exchanger of multiple occasions such as air conditioner, and its design characteristics are that windward side fin offset is great, and leeward side fin offset is less, and this design has compensatied the not good shortcoming of back row heat exchange efficiency, and can effectively reduce finned heat exchanger windage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is an enlarged schematic view of fig. 1 according to the present invention.

In the figure: 1 first heat exchange pipeline, 2 second heat exchange pipeline, 3 third heat exchange pipeline, 4 first fin end plate, 5 second fin end plate, 6 long fins, 7 middle fins, 8 short fins.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The non-equidistant fin heat exchanger shown in the attached drawings 1-3 comprises a first heat exchange pipeline 1, a second heat exchange pipeline 2, a third heat exchange pipeline 3, a first fin end plate 4, a second fin end plate 5, a long fin 6, a middle fin 7 and a short fin 8, wherein the first fin end plate 4 is arranged at one end of the first heat exchange pipeline 1, the second fin end plate 5 is arranged at the other end of the first heat exchange pipeline 1, the second heat exchange pipeline 2 is arranged at one side of the first heat exchange pipeline 1, the third heat exchange pipeline 3 is arranged at one side of the second heat exchange pipeline 2, and the long fin 6, the middle fin 7 and the short fin 8 are arranged between the first fin end plate 4 and the second fin end plate 5.

In some embodiments, the long fins 6 cover the first heat exchange pipe 1, the second heat exchange pipe 2 and the third heat exchange pipe 3; the middle fins 7 cover the second heat exchange pipelines 2 and the third heat exchange pipelines 3; the short fins 8 cover the third heat exchange tubes 3.

The space formed between the long fins 6 on the first heat exchange pipeline 1 is A, the space formed between the long fins 6 and the middle fins 7 on the second heat exchange pipeline 2 is B, the space formed between every two long fins 6, the middle fins 7 and the short fins 8 on the third heat exchange pipeline 3 is C, wherein the size of A is larger than that of B, and the size of B is larger than that of C.

The first heat exchange pipeline 1, the second heat exchange pipeline 2 and the third heat exchange pipeline 3 are distributed in parallel, wherein the first heat exchange pipeline 1 is located at the position of a windward port.

The working principle of the utility model is as follows:

when the heat exchanger is implemented, a first fin end plate 4 and a second fin end plate 5 are respectively arranged at two ends of a first heat exchange pipeline 1, a second heat exchange pipeline 2 and a third heat exchange pipeline 3, the first heat exchange pipeline 1 is positioned at a position facing an air inlet, and a long fin 6 covers the first heat exchange pipeline 1, the second heat exchange pipeline 2 and the third heat exchange pipeline 3; the middle fins 7 cover the second heat exchange pipelines 2 and the third heat exchange pipelines 3; short fin 8 covers on third heat transfer pipeline 3, and the interval that forms between the long fin 6 on the first heat transfer pipeline 1 is A, the interval that forms between long fin 6 on the second heat transfer pipeline 2, well fin 7 is B, the interval that forms between long fin 6 on the third heat transfer pipeline 3, well fin 7, short fin 8 two liang is C, and wherein A's size is greater than B's size, and B's size is greater than C's size, and its design features is great for windward side fin offset, and leeward side fin offset is less, and this design has compensatied the not good shortcoming of back row heat exchange efficiency, and can effectively reduce fin heat exchanger windage.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a non-equidistant fin heat exchanger, includes first heat exchange pipeline, its characterized in that: a first fin end plate is arranged at one end of the first heat exchange pipeline, a second fin end plate is arranged at the other end of the first heat exchange pipeline, a second heat exchange pipeline is arranged at one side of the first heat exchange pipeline, a third heat exchange pipeline is arranged at one side of the second heat exchange pipeline, and long fins, middle fins and short fins are arranged between the first fin end plate and the second fin end plate;

the space formed between the long fins on the first heat exchange pipeline is A, the space formed between the long fins and the middle fins on the second heat exchange pipeline is B, the space formed between every two long fins, every two middle fins and every two short fins on the third heat exchange pipeline is C, wherein the size of A is larger than that of B, and the size of B is larger than that of C;

the first heat exchange pipeline, the second heat exchange pipeline and the third heat exchange pipeline are distributed in parallel, wherein the first heat exchange pipeline is located at the position of a windward port.

2. A non-equidistant fin heat exchanger according to claim 1, characterized in that: the long fins cover the first heat exchange pipeline, the second heat exchange pipeline and the third heat exchange pipeline.

3. A non-equidistant fin heat exchanger according to claim 1, characterized in that: the middle fins cover the second heat exchange pipelines and the third heat exchange pipelines.

4. A non-equidistant fin heat exchanger according to claim 1, characterized in that: the short fins cover the third heat exchange pipelines.