阅读说明：本技术 换热系统 (Heat exchange system ) 是由 楼家杨 许学飞 贺宇辰 于 2019-03-14 设计创作，主要内容包括：本发明提供了一种换热系统,包括：室外机,室外机包括压缩机和室外换热器；室内机,室内机包括室内换热器和过冷节流机构；其中,过冷节流机构包括第一节流部和过冷器,第一节流部和过冷器相连接,第一节流部和过冷器设置在室外换热器与室内换热器之间的管路上。本发明的换热系统解决了现有技术中的换热系统的室外机结构较为复杂的问题。(The invention provides a heat exchange system, comprising: the outdoor unit comprises a compressor and an outdoor heat exchanger; the indoor unit comprises an indoor heat exchanger and a supercooling throttling mechanism; the supercooling throttling mechanism comprises a first throttling part and a subcooler, the first throttling part is connected with the subcooler, and the first throttling part and the subcooler are arranged on a pipeline between the outdoor heat exchanger and the indoor heat exchanger. The heat exchange system solves the problem that the outdoor unit of the heat exchange system in the prior art is complex in structure.)

1. A heat exchange system, comprising:

an outdoor unit including a compressor (10) and an outdoor heat exchanger (20);

the indoor unit comprises an indoor heat exchanger (30) and a supercooling throttling mechanism;

the supercooling throttling mechanism comprises a first throttling part (40) and a subcooler (50), the first throttling part (40) is connected with the subcooler (50), and the first throttling part (40) and the subcooler (50) are arranged on a pipeline between the outdoor heat exchanger (20) and the indoor heat exchanger (30).

2. The heat exchange system according to claim 1, wherein the first throttling part (40) and the subcooler (50) are of an integral structure.

3. The heat exchange system according to claim 2, wherein the first throttling portion (40) is integrated on the subcooler (50); or, the subcooler (50) is integrated on the first throttling section (40).

4. The heat exchange system according to claim 1, wherein the first throttling part (40) is detachably connected with the subcooler (50).

5. The heat exchange system according to any one of claims 1 to 4, wherein the first throttle section (40) is an internal machine expansion valve.

6. The heat exchange system according to any one of claims 1 to 4, wherein the indoor heat exchanger (30) is plural, and the plural indoor heat exchangers (30) are arranged in parallel.

7. The heat exchange system according to claim 6, wherein the supercooling throttling mechanism is plural, the first throttling part (40) and the subcooler (50) are plural, and the plural first throttling parts (40) and the plural subcoolers (50) are arranged in one-to-one correspondence;

the plurality of supercooling throttling mechanisms are arranged in parallel and are arranged corresponding to the plurality of indoor heat exchangers (30) one by one.

8. The heat exchange system according to claim 6, wherein the subcooling throttling mechanism is one, and the first throttling portion (40) and the subcooler (50) are both one;

the supercooling throttling mechanism is communicated with the indoor heat exchangers (30).

9. The heat exchange system according to claim 8, wherein the indoor unit further includes a plurality of second throttling parts, and the plurality of second throttling parts are arranged in parallel and are arranged in one-to-one correspondence with the plurality of indoor heat exchangers (30);

the second throttling part is arranged on a pipeline communicated with the indoor heat exchanger (30) through the supercooling throttling mechanism.

10. The heat exchange system according to any one of claims 1 to 4, wherein the outdoor unit further comprises a third throttling part (60), and the third throttling part (60) is provided on a pipe where the outdoor heat exchanger (20) communicates with the supercooler (50).

Technical Field

The invention relates to the field of heat exchange systems, in particular to a heat exchange system.

Background

Disclosure of Invention

The invention mainly aims to provide a heat exchange system to solve the problem that an outdoor unit of the heat exchange system in the prior art is complex in structure.

In order to achieve the above object, the present invention provides a heat exchange system comprising: the outdoor unit comprises a compressor and an outdoor heat exchanger; the indoor unit comprises an indoor heat exchanger and a supercooling throttling mechanism; the supercooling throttling mechanism comprises a first throttling part and a subcooler, the first throttling part is connected with the subcooler, and the first throttling part and the subcooler are arranged on a pipeline between the outdoor heat exchanger and the indoor heat exchanger.

Further, the first throttling part and the subcooler are of an integrated structure.

Further, the first throttling part is integrated on the subcooler; alternatively, the subcooler is integrated in the first throttling section.

Further, the first throttling part is detachably connected with the subcooler.

Further, the first throttle part is an internal expansion valve.

Furthermore, the indoor heat exchangers are multiple and are arranged in parallel.

Furthermore, the number of the supercooling throttling mechanisms is multiple, the number of the first throttling parts and the number of the supercoolers are multiple, and the multiple first throttling parts and the multiple supercoolers are arranged in a one-to-one corresponding mode; the plurality of supercooling throttling mechanisms are arranged in parallel and are arranged corresponding to the plurality of indoor heat exchangers one by one.

Furthermore, the supercooling throttling mechanism is one, and the first throttling part and the subcooler are both one; and the supercooling throttling mechanism is communicated with the indoor heat exchangers.

Furthermore, the indoor unit also comprises a plurality of second throttling parts, and the plurality of second throttling parts are arranged in parallel and are arranged corresponding to the plurality of indoor heat exchangers one by one; the second throttling part is arranged on a pipeline communicated with the indoor heat exchanger through the supercooling throttling mechanism.

Further, the outdoor unit further comprises a third throttling part, and the third throttling part is arranged on a pipeline communicated with the outdoor heat exchanger and the subcooler.

The heat exchange system of the invention can reduce the installation components of the outdoor unit by arranging the subcooler on the indoor unit. The outdoor unit comprises a compressor and an outdoor heat exchanger, the indoor unit comprises an indoor heat exchanger, a first throttling part and a subcooler, the first throttling part is connected with the subcooler, namely the first throttling part and the subcooler are a combined mechanism, in the installation process, the first throttling part and the subcooler can be arranged on a pipeline between the outdoor heat exchanger and the indoor heat exchanger at one time, and therefore the outdoor unit is convenient to install and can simplify system pipelines. According to the heat exchange system, the subcooler is arranged on the indoor unit, so that the number of installation parts of the outdoor unit can be reduced, and the problem that the outdoor unit of the heat exchange system in the prior art is complex in structure is solved.

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 shows a schematic structural view of an embodiment of a heat exchange system according to the present invention.

Wherein the figures include the following reference numerals:

10. a compressor; 20. an outdoor heat exchanger; 30. an indoor heat exchanger; 40. a first throttle section; 50. a subcooler; 60. and a third throttling part.

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.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

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 present invention provides a heat exchange system, please refer to fig. 1, the heat exchange system includes: an outdoor unit including a compressor 10 and an outdoor heat exchanger 20; the indoor unit comprises an indoor heat exchanger 30 and a supercooling throttling mechanism; the supercooling throttling mechanism comprises a first throttling part 40 and a subcooler 50, the first throttling part 40 is connected with the subcooler 50, and the first throttling part 40 and the subcooler 50 are arranged on a pipeline between the outdoor heat exchanger 20 and the indoor heat exchanger 30.

In the heat exchange system of the present invention, the installation parts of the outdoor unit can be reduced by installing the subcooler 50 on the indoor unit. The outdoor unit comprises a compressor 10 and an outdoor heat exchanger 20, the indoor unit comprises an indoor heat exchanger 30, a first throttling part 40 and a subcooler 50, the first throttling part 40 is connected with the subcooler 50, namely the first throttling part 40 and the subcooler 50 are a combined mechanism, in the installation process, the first throttling part 40 and the subcooler 50 can be arranged on a pipeline between the outdoor heat exchanger 20 and the indoor heat exchanger 30 at one time, and therefore the outdoor unit is convenient to install and can simplify system pipelines. According to the heat exchange system, the subcooler 50 is arranged on the indoor unit, so that the number of installation parts of the outdoor unit can be reduced, and the problem that the outdoor unit of the heat exchange system in the prior art is complex in structure is solved.

In the present embodiment, the first throttling part 40 and the subcooler 50 constitute a subcooling throttling mechanism, that is, the first throttling part 40 and the subcooler 50 are an integral mechanism, and the combination of the two can realize both subcooling and throttling. The subcooler 50 and the first throttling part 40 of the indoor unit are combined into a whole to form a combined module, so that the installation cost of customers is reduced, the pipeline design is optimized, and meanwhile, the independent supercooling degree control can be carried out on a single-opening unit.

In this embodiment, the compressor 10 of the outdoor unit is communicated with the outdoor heat exchanger 20, the outdoor heat exchanger 20 is communicated with the indoor heat exchanger 30, the first throttling part 40 and the subcooler 50 are located on a pipeline between the outdoor heat exchanger 20 and the indoor heat exchanger 30, the outdoor unit and the indoor unit form an entire heat exchange system, and finally cooling or heating is completed through the indoor heat exchanger 30.

In order to maximize the assembly efficiency of the system, the first throttling part 40 and the subcooler 50 are of an integral structure.

In the present embodiment, the first throttling part 40 and the subcooler 50 are designed as an integral structure, that is, they are integral during the specific processing, and the secondary combination is not required subsequently, so that the assembly of the whole system is simpler, and the pipeline for communicating the two is also simplified.

For a specific integration form of the first throttling part 40 and the subcooler 50, the first throttling part 40 is integrated on the subcooler 50; alternatively, the subcooler 50 is integrated into the first throttling part 40.

In a first integration form of the first throttling part 40 and the subcooler 50, that is, the first throttling part 40 is integrated on the subcooler 50, considering that the subcooler 50 is a heat exchanger, the first throttling part 40 may be an expansion valve, and at this time, the first throttling part 40 may be disposed inside the subcooler 50, and at this time, on the premise that the first throttling part 40 is disposed inside the subcooler 50, the subcooler 50 may also have a certain effect of eliminating noise generated by the first throttling part 40 in the throttling process, on the premise that the two have respective basic functions.

Regarding the second integration form of the first throttling part 40 and the supercooler 50, that is, the supercooler 50 is integrated on the first throttling part 40, considering that the supercooler 50 is one heat exchanger, the first throttling part 40 may be an expansion valve, and in this case, the supercooling function of the supercooler 50 may be integrated in the first throttling part 40. The function of increasing the pre-valve supercooling degree of the subcooler 50 is integrated into the expansion valve, the pre-valve supercooling degree is improved through the structural design of the expansion valve, system components are reduced, system pipelines are simplified, and the production cost is reduced.

The first throttling part 40 is detachably connected with the supercooler 50 with respect to a specific combination of the first throttling part 40 and the supercooler 50.

In this embodiment, the first throttling part 40 and the subcooler 50 are a combination, but the two are not an integral structure, that is, the two are assembled in the following, and the first throttling part 40 and the subcooler 50 are detachably connected, so that any part can be replaced independently in the following use.

In this embodiment, the first throttling part 40 is detachably connected with the subcooler 50, which not only can ensure that the two are simpler in system assembly, but also is more convenient for replacing components, and can reduce maintenance cost as a whole, simplify system pipelines and reduce production cost.

Preferably, the first throttle 40 is an internal expansion valve.

In this embodiment, the first throttling part 40 is an electronic expansion valve, and is mainly used for throttling during cooling of the heat exchange system.

For a specific form of the heat exchange system, the indoor heat exchangers 30 are plural, and the plural indoor heat exchangers 30 are arranged in parallel.

In this embodiment, the indoor heat exchangers 30 are plural, and the plural indoor heat exchangers 30 are arranged in parallel, that is, the heat exchange system is a multi-connected unit and is provided with plural heat exchange mechanisms.

Alternatively, there may be only one indoor heat exchanger 30.

As shown in fig. 1, in the first embodiment of the heat exchange system, a plurality of subcooling throttling mechanisms are provided, a plurality of first throttling portions 40 and a plurality of subcoolers 50 are provided, and the plurality of first throttling portions 40 and the plurality of subcoolers 50 are arranged in a one-to-one correspondence manner; wherein, a plurality of supercooling throttling mechanisms are arranged in parallel and are arranged corresponding to the plurality of indoor heat exchangers 30 one by one.

In this embodiment, the heat exchange system includes an outdoor unit and an indoor unit, the outdoor unit includes a compressor 10 and an outdoor heat exchanger 20, and the indoor unit includes a plurality of indoor heat exchangers 30, a plurality of first throttling units 40 and a plurality of subcoolers 50, that is, a plurality of subcooling throttling mechanisms formed by the plurality of first throttling units 40 and the plurality of subcoolers 50. The compressor 10 of the heat exchange system is communicated with the outdoor heat exchanger 20, the outdoor heat exchanger 20 is communicated with a plurality of supercooling throttling mechanisms arranged in parallel, the subcooler 50 is positioned between the outdoor heat exchanger 20 and the first throttling part 40, and then the first throttling parts 40 are communicated with the indoor heat exchangers 30 one by one.

In this embodiment, the plurality of indoor heat exchangers 30 are arranged in parallel, that is, the heat exchange system is a multi-connected unit, and the plurality of supercooling throttling mechanisms are arranged to realize that each first throttling portion 40 independently controls the corresponding indoor heat exchanger 30 on the premise of ensuring supercooling of the system. The subcooler 50 and the first throttling part 40 of the indoor unit are combined into a whole to form a combined module, so that the installation cost of customers is reduced, the pipeline design is optimized, and meanwhile, the independent supercooling degree control can be carried out on a single-opening unit. Optionally, the first throttling part 40 and the subcooler 50 are in an integrated form. At this time, the function of increasing the degree of supercooling before the valve by the subcooler 50 is integrated into the expansion valve, the degree of supercooling before the valve is improved by the structural design of the expansion valve itself, system components are reduced, system pipelines are simplified, and the production cost is reduced.

In the present embodiment, the first throttle 40 is an electronic expansion valve.

For the second embodiment of the heat exchange system, there is one subcooling throttling mechanism, and there is one first throttling part 40 and one subcooler 50; wherein, the supercooling throttling mechanism is communicated with a plurality of indoor heat exchangers 30.

In this embodiment, the heat exchange system includes an outdoor unit and an indoor unit, the outdoor unit includes a compressor 10 and an outdoor heat exchanger 20, and the indoor unit includes a plurality of indoor heat exchangers 30, a first throttling part 40 and a subcooler 50, that is, a subcooling throttling mechanism composed of the first throttling part 40 and the subcooler 50. The compressor 10 of the heat exchange system is communicated with the outdoor heat exchanger 20, the outdoor heat exchanger 20 is communicated with a supercooling throttling mechanism, and then the supercooling throttling mechanism is communicated with a plurality of indoor heat exchangers 30 arranged in parallel.

In order to be able to individually control each indoor heat exchanger 30, the indoor unit further includes a plurality of second throttling parts, and the plurality of second throttling parts are arranged in parallel and are arranged in one-to-one correspondence with the plurality of indoor heat exchangers 30; wherein, the second throttling part is arranged on a pipeline communicated with the indoor heat exchanger 30 by the supercooling throttling mechanism.

In this embodiment, the heat exchange system includes an outdoor unit and an indoor unit, the outdoor unit includes a compressor 10 and an outdoor heat exchanger 20, and the indoor unit includes a plurality of indoor heat exchangers 30, a plurality of second throttling parts, a first throttling part 40 and a subcooler 50, that is, a subcooling throttling mechanism composed of a first throttling part 40 and a subcooler 50. The compressor 10 of the heat exchange system is communicated with the outdoor heat exchanger 20, the outdoor heat exchanger 20 is communicated with a supercooling throttling mechanism, then the supercooling throttling mechanism is communicated with a plurality of second throttling parts which are arranged in parallel, and finally the second throttling parts are communicated with the indoor heat exchangers 30 in a one-to-one corresponding mode.

In this embodiment, the plurality of indoor heat exchangers 30 are arranged in parallel, that is, the heat exchange system is a multi-connected unit, the supercooling of the system can be ensured by providing the supercooling throttling mechanism, and the plurality of second throttling portions are communicated with the plurality of indoor heat exchangers 30 in a one-to-one correspondence manner, so that each second throttling portion can independently control the corresponding indoor heat exchanger 30.

In the present embodiment, the first throttle portion 40 and the second throttle portion are both electronic expansion valves.

Preferably, the outdoor unit further includes a third throttling part 60, and the third throttling part 60 is disposed on a pipeline where the outdoor heat exchanger 20 communicates with the supercooler 50.

In this embodiment, the outdoor unit further includes a third throttling unit 60, and the third throttling unit 60 is an outdoor unit expansion valve, that is, the third throttling unit 60 is normally open during system cooling and performs a throttling function during system heating.

In this embodiment, when the heat exchange system has a separate cooling function, the third throttling unit 60 is not required to be installed, that is, the throttling component is not required to be separately installed on the outdoor unit, so as to reduce the cost of the whole system.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

in the heat exchange system of the present invention, the installation parts of the outdoor unit can be reduced by installing the subcooler 50 on the indoor unit. The outdoor unit comprises a compressor 10 and an outdoor heat exchanger 20, the indoor unit comprises an indoor heat exchanger 30, a first throttling part 40 and a subcooler 50, the first throttling part 40 is connected with the subcooler 50, namely the first throttling part 40 and the subcooler 50 are a combined mechanism, in the installation process, the first throttling part 40 and the subcooler 50 can be arranged on a pipeline between the outdoor heat exchanger 20 and the indoor heat exchanger 30 at one time, and therefore the outdoor unit is convenient to install and can simplify system pipelines. According to the heat exchange system, the subcooler 50 is arranged on the indoor unit, so that the number of installation parts of the outdoor unit can be reduced, and the problem that the outdoor unit of the heat exchange system in the prior art is complex in structure is solved.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

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.