CN111520934A

CN111520934A - Heat exchanger and air conditioner with same

Info

Publication number: CN111520934A
Application number: CN202010420828.8A
Authority: CN
Inventors: 王冠军; 魏文建
Original assignee: Zhejiang Dunan Thermal Technology Co Ltd
Current assignee: Zhejiang Dunan Thermal Technology Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-08-11

Abstract

The invention provides a heat exchanger and an air conditioner with the same, wherein the heat exchanger comprises: the heat exchange device comprises a plurality of heat exchange parts, a plurality of heat exchange parts and a plurality of heat exchange pipes, wherein the heat exchange parts are arranged at intervals; the liquid distributors are arranged in one-to-one correspondence with the heat exchange parts, and each liquid distributor is connected with the corresponding heat exchange part so that the liquid separated by each liquid distributor flows into the heat exchange pipe of the corresponding heat exchange part for heat exchange; the liquid separator comprises a plurality of liquid separating hoses, and each liquid separating hose is used for being connected with the heat exchange tube of the corresponding heat exchange part, so that liquid-separated fluid flows into the corresponding heat exchange tube through the liquid separating hose. Through the technical scheme provided by the invention, the structural layout of the double-flow heat exchanger in the prior art can be optimized.

Description

Heat exchanger and air conditioner with same

Technical Field

The invention relates to the technical field of heat exchange equipment, in particular to a heat exchanger and an air conditioner with the same.

Background

At present, the microchannel heat exchanger has light weight and less refrigerant filling amount, and compared with a common copper tube fin heat exchanger, the microchannel heat exchanger has low cost, so that the microchannel heat exchanger is widely applied. The multi-flow-path heat exchanger in the micro-channel heat exchanger can realize the energy exchange of various flow paths, so that the corresponding flow path mode can be selected according to the actual working requirement.

For a two-flow heat exchanger, three different flow path patterns can be achieved. However, in order to facilitate installation of the double-flow-path heat exchanger in the prior art, the heat exchange tube of the double-flow-path heat exchanger is generally set to be a bending structure, and the bending structure is used for avoiding other flow-exposed collecting pipes. However, the overall structure of the double-flow-path heat exchanger in the prior art is loose, the space layout is not compact enough, and the occupied space is large.

Disclosure of Invention

The invention mainly aims to provide a heat exchanger and an air conditioner with the same, so as to optimize the structural layout of a double-flow heat exchanger in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a heat exchanger including: the heat exchange device comprises a plurality of heat exchange parts, a plurality of heat exchange parts and a plurality of heat exchange pipes, wherein the heat exchange parts are arranged at intervals; the liquid distributors are arranged in one-to-one correspondence with the heat exchange parts, and each liquid distributor is connected with the corresponding heat exchange part so that the liquid separated by each liquid distributor flows into the heat exchange pipe of the corresponding heat exchange part for heat exchange; the liquid separator comprises a plurality of liquid separating hoses, and each liquid separating hose is used for being connected with the heat exchange tube of the corresponding heat exchange part, so that liquid-separated fluid flows into the corresponding heat exchange tube through the liquid separating hose.

Further, the heat exchanger still includes: the fin, the fin is a plurality of, and a plurality of fins set up along predetermineeing the direction interval, is provided with the heat exchange tube between two adjacent fins, and a plurality of heat exchange tubes set up along predetermineeing the direction interval.

Further, the heat exchange tube has relative first end and the second end that sets up, and a plurality of knockout all are located the first end of heat exchange tube, and a plurality of knockout interval set up.

Further, the heat exchanger still includes: the heat exchanger comprises a plurality of collecting pipes, a plurality of heat exchange parts and a plurality of heat exchange pipes, wherein the collecting pipes are in one-to-one correspondence with the heat exchange parts, each collecting pipe is used for being connected with the corresponding heat exchange part, and the collecting pipes are located at the second end of the heat exchange pipe.

Furthermore, the liquid separator also comprises a shower head, a plurality of liquid separating ports are arranged on the shower head, the liquid separating ports and the liquid separating hoses are arranged in a one-to-one correspondence manner, and each liquid separating port is connected with the corresponding liquid separating hose.

Further, the heat exchange tube includes first intercommunication section and main part section, and the main part section is flat tube structure, and first intercommunication section sets up the tip at the main part section, and first intercommunication section is the pipe structure, and first intercommunication section is used for being connected with liquid separating hose.

Further, the heat exchange tube also comprises a second communicating section, the second communicating section is positioned at one end, far away from the first communicating section, of the main body section, and the second communicating section is of a circular tube structure.

Further, the heat exchange tube is of an integrally formed structure.

Further, heat transfer portion still includes: and the U-shaped connecting pipe is arranged between two adjacent heat exchange pipes of the heat exchange part so as to communicate the two adjacent heat exchange pipes.

Further, the heat exchange pipe includes: a pipe body; the protruding piece, protruding piece is a plurality of, and a plurality of protruding piece intervals set up on the inner wall of body.

According to another aspect of the present invention, there is provided an air conditioner including a heat exchanger provided as above.

By applying the technical scheme of the invention, the liquid separating hose of the liquid separator is connected with the corresponding heat exchange tube of the heat exchange part by adding the structure of the liquid separator, so that the liquid separated by the liquid separator enters the heat exchange tube connected with the liquid separating hose. The liquid separating hose of the liquid separator is flexible in connection mode, simple in structural layout and convenient to install and arrange. Therefore, the technical scheme provided by the invention can optimize the structural layout of the double-flow heat exchanger in the prior art.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a heat exchange tube according to an embodiment of the present invention;

FIG. 3 illustrates a cross-sectional view of a first communication segment provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a cross-sectional view of a body segment provided in accordance with an embodiment of the present invention;

FIG. 5 illustrates a partial cross-sectional view of a body segment provided in accordance with an embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a provided bent heat exchange tube according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a heat exchange pipe; 11. a first communication section; 12. a main body section; 13. a second communicating section; 14. a pipe body; 15. a raised block; 20. a liquid separator; 21. a liquid separating hose; 22. a shower head; 30. a fin; 40. a header pipe; 50. u-shaped connecting pipe.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, according to the first embodiment of the present invention, there is provided a heat exchanger including a plurality of heat exchanging portions and a plurality of liquid distributors 20, the plurality of heat exchanging portions being arranged at intervals, each of the heat exchanging portions including a plurality of heat exchanging pipes 10, the plurality of heat exchanging pipes 10 being arranged at intervals. The liquid distributors 20 are arranged in one-to-one correspondence with the heat exchange parts, and each liquid distributor 20 is connected with a corresponding heat exchange part, so that the liquid separated by each liquid distributor 20 flows into the heat exchange tube 10 of the corresponding heat exchange part for heat exchange. The liquid separator 20 includes a plurality of liquid separating hoses 21, and each liquid separating hose 21 is used for being connected to a corresponding heat exchange tube 10 of the heat exchange portion, so that the liquid separated fluid flows into the corresponding heat exchange tube 10 through the liquid separating hose 21. Specifically, the number of the heat exchanging portions in this embodiment is two, the number of the liquid distributors 20 is also two, and the two heat exchanging portions and the two liquid distributors 20 are arranged in one-to-one correspondence, so as to form a double-flow heat exchanger structure.

By adopting the heat exchanger provided by the embodiment, the structural layout of the liquid distributor 20 is flexible, the arrangement mode of the liquid distributing hose 21 of the liquid distributor 20 is flexible, the corresponding connection mode can be selected according to actual conditions, the layout of the heat exchange tubes 10 is not required to be changed, the heat exchange tubes 10 of a plurality of heat exchange parts can be kept in a compact layout mode, and the occupied space of the whole structure is reduced. Meanwhile, the liquid separating structure is adopted, and the liquid separating uniformity can be improved through the liquid separating pipeline, so that the heat exchange effect is improved. Therefore, the heat exchanger provided by the embodiment can optimize the structural layout of the double-flow heat exchanger in the prior art.

Specifically, the heat exchanger in this embodiment further includes a plurality of fins 30, the plurality of fins 30 are arranged at intervals along a preset direction, the heat exchange tube 10 is arranged between two adjacent fins 30, and the plurality of heat exchange tubes 10 are arranged at intervals along the preset direction. The heat exchange tubes 10 of all the heat exchange portions in this embodiment are arranged at intervals along the preset direction, so that the appearance of the heat exchanger is of a single-row structure, the compactness of the overall structure can be improved conveniently, the layout of the overall structure is optimized, and the occupied space of the overall structure is reduced. As can be seen from the above, the plurality of heat exchanging portions in the present embodiment are also arranged at intervals along the predetermined direction, and preferably, the heat exchange tubes 10 of the plurality of heat exchanging portions are arranged in a staggered manner, that is, the heat exchange tube 10 of one heat exchanging portion can be inserted between two adjacent heat exchange tubes 10 of the other heat exchanging portion. By adopting the structure, the structure layout can be further optimized, different flow paths of the heat exchanger can fully exchange heat during working, and the heat exchange effect is ensured. The two adjacent heat exchange tubes 10 can respectively belong to two different heat exchange parts, and the structural arrangement can improve the heat transfer performance of the parallel unit under partial load. The heat exchange tube 10 and the fin 30 in the present embodiment are assembled and brazed to form a heat exchanger.

As shown in fig. 2 to 6, in the present embodiment, the heat exchange tube 10 has a first end and a second end which are oppositely arranged, a plurality of liquid distributors 20 are located at the first end of the heat exchange tube 10, and the plurality of liquid distributors 20 are arranged at intervals. By adopting the structure, the overall structure layout can be further optimized, so that the overall structure is more compact.

Specifically, the heat exchanger in this embodiment further includes a plurality of collecting pipes 40, the plurality of collecting pipes 40 and the plurality of heat exchange portions are arranged in a one-to-one correspondence manner, each collecting pipe 40 is used for being connected to a corresponding heat exchange portion, and the plurality of collecting pipes 40 are located at the second end of the heat exchange tube 10. By adopting the structure, the overall structure layout can be further optimized, so that the overall structure layout is more compact, and meanwhile, the occupied space of the overall structure is convenient to reduce. The heat exchanger in this embodiment further includes a manifold, and the plurality of collecting pipes 40 are connected to the manifold, so that the fluid in the plurality of collecting pipes 40 flows out through the manifold.

In this embodiment, the liquid separator 20 further includes a shower head 22, the shower head 22 is provided with a plurality of liquid separating ports, the plurality of liquid separating ports and the plurality of liquid separating hoses 21 are arranged in a one-to-one correspondence, and each liquid separating port is connected to a corresponding liquid separating hose 21. In use, fluid enters the plurality of liquid distribution hoses 21 through the plurality of liquid distribution ports on the shower head 22 and flows into the heat exchange tubes 10 through the respective liquid distribution hoses 21. The structure of the liquid distributor 20 adopting the shower head 22 and the plurality of liquid distributing hoses 21 can improve the uniformity of liquid distribution, so that the fluid can flow into each liquid distributing hose 21 after being uniformly distributed. Meanwhile, the shower head 22 in this embodiment may be used to separate gas from liquid, and uniformly introduce the liquid refrigerant into the corresponding heat exchange tube 10, thereby stabilizing the heat exchange performance of the heat exchanger.

In this embodiment, the heat exchange tube 10 includes a first communicating section 11 and a main body section 12, the main body section 12 is a flat tube structure, the first communicating section 11 is disposed at an end of the main body section 12, the first communicating section 11 is a circular tube structure, and the first communicating section 11 is used for connecting with the liquid separating hose 21. Adopt such structure setting, through setting up main part section 12 to the fluid of flat tubular construction in can being convenient for main part section 12 and carry out the heat transfer, can be convenient for first communication section 11 and divide liquid hose 21 to be connected through setting up first communication section 11 to the pipe structure to improve the convenience of operation.

Specifically, the heat exchange tube 10 in the present embodiment further includes a second communicating section 13, the second communicating section 13 is located at one end of the main body section 12 far away from the first communicating section 11, and the second communicating section 13 is a circular tube structure. With such a structure, the second communicating section 13 can be conveniently connected with a pipeline to be connected, specifically, the pipeline to be connected can be the collecting pipe 40.

In the present embodiment, the heat exchange tube 10 is of an integrally formed structure. Specifically, the heat exchange tube 10 may be made of a circular tube, and the middle portion of the circular tube is pressed into a flat tube shape by a precise rolling die.

Specifically, the heat exchanging part may further include a U-shaped connecting pipe 50, and the U-shaped connecting pipe 50 is disposed between two adjacent heat exchanging pipes 10 of the same heat exchanging part, so that the two adjacent heat exchanging pipes 10 of the same heat exchanging part are communicated. By adopting the structure, the plurality of liquid distributing hoses 21 and the plurality of heat exchange tubes 10 are not required to be arranged in a one-to-one correspondence manner, so that two or more heat exchange tubes 10 in the same heat exchange part can be connected, the number of the liquid distributing hoses 21 can be reduced, the installation complexity is reduced, and the installation operation is convenient for a user.

Alternatively, the heat exchange tube 10 may be provided with a bent or folded structure and welded by assembling in pairs, so that the U-shaped connection tube 50 is not required, and the installation is simplified.

In this embodiment, the heat exchange tube 10 includes a tube body 14 and a plurality of projections 15, the projections 15 being provided in plurality, the plurality of projections 15 being provided at intervals on an inner wall of the tube body 14. Specifically, the heat exchange tube 10 adopts such a structural setting for the pipe that has the internal thread tooth structure, can be convenient for carry out the vortex to the fluid in the heat exchange tube 10 through inside a plurality of internal thread tooth structures (be protruding piece 15 promptly) to be convenient for improve the heat transfer effect better.

The heat exchanger in this embodiment may be a two-flow heat exchanger, typically used in 2 or more systems. By taking two systems as an example, when one system is closed, the fins 30 for heat exchange of the two original systems are all used for heat exchange of 1 system, so that the heat exchange efficiency and the heat exchange coefficient are improved, and the energy efficiency of the system is improved.

The second embodiment of the invention provides an air conditioner which comprises a heat exchanger, wherein the heat exchanger is the heat exchanger provided in the first embodiment.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the structural layout of the double-path heat exchanger is optimized, and the whole structure is more compact.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat exchanger, comprising:

the heat exchange device comprises a plurality of heat exchange parts, a plurality of heat exchange parts and a plurality of heat exchange pipes, wherein the heat exchange parts are arranged at intervals, each heat exchange part comprises a plurality of heat exchange pipes (10), and the heat exchange pipes (10) are arranged at intervals;

the liquid distributors (20) are arranged in one-to-one correspondence with the heat exchange parts, and each liquid distributor (20) is connected with the corresponding heat exchange part so that the liquid separated by each liquid distributor (20) flows into the heat exchange tube (10) of the corresponding heat exchange part to exchange heat;

the liquid distributor (20) comprises a plurality of liquid distribution hoses (21), and each liquid distribution hose (21) is used for being connected with a corresponding heat exchange tube (10) of the heat exchange part, so that liquid-separated fluid flows into the corresponding heat exchange tube (10) through the liquid distribution hose (21).

2. The heat exchanger of claim 1, further comprising:

fin (30), fin (30) are a plurality of, and are a plurality of fin (30) set up along predetermineeing the direction interval, adjacent two be provided with between fin (30) heat exchange tube (10), it is a plurality of heat exchange tube (10) are followed predetermine the direction interval and are set up.

3. A heat exchanger according to claim 1, wherein the heat exchange tube (10) has a first end and a second end which are oppositely disposed, the plurality of liquid distributors (20) are all located at the first end of the heat exchange tube (10), and the plurality of liquid distributors (20) are arranged at intervals.

4. The heat exchanger of claim 3, further comprising:

the heat exchange tube comprises a plurality of collecting pipes (40), wherein the collecting pipes (40) are in one-to-one correspondence with the heat exchange parts, each collecting pipe (40) is used for being connected with the corresponding heat exchange part, and the collecting pipes (40) are located at the second end of the heat exchange tube (10).

5. The heat exchanger according to claim 1, wherein the liquid distributor (20) further comprises a shower head (22), a plurality of liquid distribution ports are arranged on the shower head (22), the plurality of liquid distribution ports are arranged in one-to-one correspondence with the plurality of liquid distribution hoses (21), and each liquid distribution port is connected with the corresponding liquid distribution hose (21).

6. The heat exchanger according to claim 1, wherein the heat exchange tube (10) comprises a first communicating section (11) and a main body section (12), the main body section (12) is of a flat tube structure, the first communicating section (11) is arranged at the end of the main body section (12), the first communicating section (11) is of a round tube structure, and the first communicating section (11) is used for being connected with the liquid separating hose (21).

7. The heat exchanger according to claim 6, wherein the heat exchange tube (10) further comprises a second communicating section (13), the second communicating section (13) is located at one end of the main body section (12) far away from the first communicating section (11), and the second communicating section (13) is of a circular tube structure.

8. The heat exchanger according to claim 1, wherein the heat exchange tube (10) is of an integrally formed construction.

9. The heat exchanger of claim 1, wherein the heat exchanging portion further comprises:

and the U-shaped connecting pipe (50) is arranged between two adjacent heat exchange pipes (10) of the heat exchanging part, so that the two adjacent heat exchange pipes (10) are communicated.

10. The heat exchanger according to any one of claims 1 to 9, wherein the heat exchange tube (10) comprises:

a tube (14);

the pipe comprises a plurality of protruding blocks (15), wherein the protruding blocks (15) are arranged on the inner wall of the pipe body (14) at intervals, and the protruding blocks (15) are arranged in a plurality.

11. An air conditioner, characterized in that the air conditioner comprises a heat exchanger, wherein the heat exchanger is the heat exchanger of any one of claims 1 to 10.