CN115682457A - Air conditioning system with heat exchange structure - Google Patents
Air conditioning system with heat exchange structure Download PDFInfo
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- CN115682457A CN115682457A CN202211158069.8A CN202211158069A CN115682457A CN 115682457 A CN115682457 A CN 115682457A CN 202211158069 A CN202211158069 A CN 202211158069A CN 115682457 A CN115682457 A CN 115682457A
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- way valve
- heat exchanger
- conditioning system
- heat
- air conditioning
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 40
- 239000003507 refrigerant Substances 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004781 supercooling Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- -1 heat conducting fins Chemical compound 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention provides an air conditioning system with a heat exchange structure, which comprises an outdoor heat exchanger, a compressor, an indoor heat exchanger and a throttling device which are communicated through pipelines, and further comprises the heat exchange structure, wherein the heat exchange structure comprises a heat conduction assembly, the gas side of the heat conduction assembly is connected to an air suction pipe of the compressor, and the liquid side of the heat conduction assembly is connected to an inlet pipe of the throttling device. According to the invention, the heat exchange structure is additionally arranged at the cold outlet section and the air suction section in the air-conditioning system, so that the liquid refrigerant flowing into the throttling device and the gaseous refrigerant flowing into the compressor exchange heat through the heat conduction assembly, the liquid refrigerant is cooled to be in a supercooled state, and the gaseous refrigerant is changed to be in an overheated state due to the absorption of the heat of the liquid refrigerant, thus the supercooling degree and the air suction dryness of the air-conditioning system are improved, and the refrigerating and heating capacity and the reliability of the air-conditioning system are further improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioning system with a heat exchange structure.
Background
An air conditioning system is generally configured by connecting functional components such as a compressor, an outdoor heat exchanger, a throttle device, and an indoor heat exchanger, and realizes cooling or heating operation of an air conditioner by switching of a four-way valve.
In the current air conditioning system, especially a household air conditioning system, due to structural limitation, the area of a heat exchanger cannot be infinitely increased, so that the capacity of the air conditioning system is increased.
Disclosure of Invention
The invention aims to provide an air conditioning system with a heat exchange structure, which aims to solve the problem that the air conditioning system in the prior art is insufficient in refrigerating and heating capacity due to the limitation of the heat exchanger structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an air conditioning system with a heat exchange structure comprises an outdoor heat exchanger, a compressor, an indoor heat exchanger and a throttling device which are communicated through pipelines, and further comprises the heat exchange structure, wherein the heat exchange structure comprises a heat conduction assembly, the gas side of the heat conduction assembly is connected to an air suction pipe of the compressor, and the liquid side of the heat conduction assembly is connected to an inlet pipe of the throttling device.
Furthermore, one end of the liquid side of the heat conduction assembly is communicated with the inlet of the throttling device, and the other end of the heat conduction assembly is respectively communicated with one end of the outdoor heat exchanger and one end of the indoor heat exchanger.
Furthermore, a first one-way valve is arranged on a connecting pipeline between the heat conducting assembly and the outdoor heat exchanger, and the first one-way valve is used for enabling liquid refrigerant to flow to the heat conducting assembly from the outdoor heat exchanger in a refrigeration mode.
Furthermore, a second one-way valve is arranged on a connecting pipeline between the heat conducting assembly and the indoor heat exchanger, and the second one-way valve is used for enabling liquid refrigerant to flow to the heat conducting assembly from the indoor heat exchanger in the heating mode.
Further, a third check valve is arranged on a connecting pipeline between an outlet of the throttling device and the outdoor heat exchanger, and the third check valve is used for enabling liquid refrigerant to flow to the outdoor heat exchanger from the throttling device in the heating mode.
Furthermore, a fourth check valve is arranged on a connecting pipeline between an outlet of the throttling device and the indoor heat exchanger, and the fourth check valve is used for enabling liquid refrigerant to flow from the throttling device to the indoor heat exchanger in a refrigeration mode.
Further, the device also comprises a first three-way valve, a second three-way valve, a third three-way valve and a fourth three-way valve;
the first three-way valve is respectively communicated with the heat conduction assembly, the first one-way valve and the second one-way valve; the second three-way valve is respectively communicated with the indoor heat exchanger, the second one-way valve and the fourth one-way valve; the third three-way valve is respectively communicated with the throttling device, the third one-way valve and the fourth one-way valve; the fourth three-way valve is respectively communicated with the outdoor heat exchanger, the first one-way valve and the third one-way valve.
Furthermore, one end of the gas side of the heat conduction assembly is communicated with the gas suction port of the compressor, and the other end of the gas side of the heat conduction assembly is respectively communicated with the other ends of the outdoor heat exchanger and the indoor heat exchanger.
Further, the air conditioning system further comprises a four-way valve, and the four-way valve is respectively communicated with the compressor, the outdoor heat exchanger, the indoor heat exchanger and the heat conduction assembly.
Further, the heat conduction assembly is made of heat conduction silica gel.
By applying the technical scheme of the invention, the heat exchange structure is added at the cold outlet section and the air suction section in the air-conditioning system, so that the liquid refrigerant flowing into the throttling device and the gaseous refrigerant flowing into the compressor exchange heat through the heat conduction assembly, the liquid refrigerant is cooled to be in a supercooled state, and the gaseous refrigerant is in an overheated state due to the absorption of the heat of the liquid refrigerant, thereby improving the supercooling degree and the air suction dryness of the air-conditioning system and further improving the refrigerating and heating capacity and the reliability of the air-conditioning system.
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.
Fig. 1 is a schematic structural diagram of an air conditioning system having a heat exchange structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a heat exchange structure according to an embodiment of the present invention;
fig. 3 is a schematic flow direction diagram of a refrigerant in a cooling mode of an air conditioning system with a heat exchange structure according to an embodiment of the present invention;
fig. 4 is a schematic flow direction diagram of a refrigerant in a heating mode of the air conditioning system with the heat exchange structure according to the embodiment of the present invention;
wherein:
1-outdoor heat exchanger; 2-a compressor; 3-a four-way valve; 4-indoor heat exchanger; 5-a throttling device; 6-a heat exchange structure; 60-a thermally conductive assembly; 61-a first one-way valve; 62-a second one-way valve; 63-a third one-way valve; 64-a fourth one-way valve; 65-a first three-way valve; 66-a second three-way valve; 67-a third three-way valve; 68-fourth three-way valve.
Detailed Description
The invention will be described in detail below with reference to the drawings and in conjunction with embodiments, it being noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.
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.
In order to solve the problem that the air conditioning system in the prior art is insufficient in refrigerating and heating capacity due to the limitation of a heat exchanger structure, the invention provides an air conditioning system with a heat exchange structure.
As shown in fig. 1 and 2, the air conditioning system with a heat exchange structure of the present embodiment includes an outdoor heat exchanger 1, a compressor 2, an indoor heat exchanger 4, a throttling device 5, and a heat exchange structure 6, which are communicated with each other through a pipeline, wherein the heat exchange structure includes a heat conduction assembly 60, a gas side of the heat conduction assembly 60 is connected to a suction pipe of the compressor 2, and a liquid side of the heat conduction assembly 60 is connected to an inlet pipe of the throttling device 5.
By applying the technical scheme of the embodiment, through the heat exchange structure 6 additionally arranged on the inlet pipe (i.e. the cooling section) of the throttling device 5 and the air suction pipe (i.e. the air suction section) of the compressor 2, in the cooling mode, the liquid refrigerant flowing out of the outdoor heat exchanger 1 flows into the throttling device 5 through the liquid side of the heat conduction assembly 60, the gaseous refrigerant flowing out of the indoor heat exchanger 4 flows into the compressor 2 through the gas side of the heat conduction assembly 60, in the heating mode, the liquid refrigerant flowing out of the indoor heat exchanger 4 flows into the throttling device 5 through the liquid side of the heat conduction assembly 60, and the gaseous refrigerant flowing out of the outdoor heat exchanger 1 flows into the compressor 2 through the gas side of the heat conduction assembly 60, so that no matter in the cooling cycle or the heating cycle, the liquid refrigerant flowing into the throttling device 5 and the gaseous refrigerant flowing into the compressor 2 exchange heat in the heat conduction assembly 60, the liquid refrigerant is cooled to be in a supercooled state, while the gaseous refrigerant is changed into an overheated state due to the absorption of the heat of the liquid refrigerant, thereby improving the degree of refrigeration of the liquid refrigerant, further improving the heating effect of the air conditioning system, improving the air suction dryness of the compressor 2, and improving the reliability of the compressor 2.
Compare conventional air conditioning system, the air conditioning system of this embodiment increases a heat transfer structure on conventional air conditioning system's basis for no matter be refrigeration or heat cycle, the cold section of going out and the section of breathing in of system all can carry out the heat transfer, improve the super-cooled rate and the quality of breathing in of system, and then improve refrigeration and heating system ability and reliability.
In this embodiment, the refrigerant circuit connection modes of the outdoor heat exchanger 1, the compressor 2, the indoor heat exchanger 4, and the throttling device 5 are the same as those of a conventional air conditioning system, the exhaust port and the suction port of the compressor 2 are respectively connected to two ports of the four-way valve 3, one ends of the outdoor heat exchanger 1 and the indoor heat exchanger 4 are respectively connected to the other two ports of the four-way valve 3, and the throttling device 5 is connected between the other ends of the outdoor heat exchanger 1 and the indoor heat exchanger 4.
In the present embodiment, the heat conducting assembly 60 is used as a heat exchanging component, and can be made of materials with good heat conducting effects, such as heat conducting silica gel, heat conducting fins, and aluminum guide blocks.
In this embodiment, the gas side of the heat transfer unit 60 is connected to the suction pipe between the suction port of the compressor 2 and the four-way valve 3, so that the gaseous refrigerant flowing out of the indoor heat exchanger 4 in the cooling mode or the gaseous refrigerant flowing out of the outdoor heat exchanger 1 in the heating mode can flow through the heat transfer unit 60.
For the liquid side of the heat conducting assembly 60, in order to realize the cooling mode or the heating mode, the liquid refrigerant can flow through the heat conducting assembly 6 for heat exchange before entering the throttling device 5, as shown in fig. 2, a first one-way valve 61 is arranged on a connecting pipeline between the heat conducting assembly 60 and the outdoor heat exchanger 1, the flow direction of the first one-way valve is set so that the liquid refrigerant can flow from the outdoor heat exchanger 1 to the heat conducting assembly 60 in the cooling mode, a second one-way valve 62 is arranged on a connecting pipeline between the heat conducting assembly 60 and the indoor heat exchanger 4, the flow direction of the second one-way valve is set so that the liquid refrigerant can flow from the throttling device 5 to the outdoor heat exchanger 1 in the heating mode, a fourth one-way valve 64 is arranged on a connecting pipeline between the outlet of the throttling device 5 and the indoor heat exchanger 4, and the flow direction of the third one-way valve 63 is set so that the liquid refrigerant can flow from the throttling device 5 to the indoor heat exchanger 4 in the cooling mode.
Alternatively, a first three-way valve 65 is provided between the first and second one- way valves 61, 62, a second three-way valve 66 is provided between the second and fourth one- way valves 62, 64, a third three-way valve 67 is provided between the fourth and third one- way valves 64, 63, and a fourth three-way valve 68 is provided between the third and first one- way valves 63, 61. In this way, the first three-way valve 65 is respectively communicated with the heat transfer assembly 60, the first check valve 61, and the second check valve 62, the second three-way valve 66 is respectively communicated with the indoor heat exchanger 4, the second check valve 62, and the fourth check valve 64, the third three-way valve 67 is respectively communicated with the throttling device 5, the third check valve 63, and the fourth check valve 64, and the fourth three-way valve 68 is respectively communicated with the outdoor heat exchanger 1, the first check valve 61, and the third check valve 63.
During refrigeration, as shown in fig. 3, a high-temperature and high-pressure gaseous refrigerant discharged from the compressor 2 is diverted to the outdoor heat exchanger 1 through the four-way valve 3, is converted into a medium-temperature and high-pressure liquid refrigerant in the outdoor heat exchanger 1 by heat release, the medium-temperature and high-pressure liquid refrigerant flows to the fourth three-way valve 68, the medium-temperature and high-pressure liquid refrigerant can only flow into the liquid side of the heat-conducting assembly 60 through the first three-way valve 61 to release heat because the first one-way valve 61 is permeable and the third one-way valve 63 is impermeable, the medium-temperature and high-pressure liquid refrigerant after heat release is throttled by the throttling device 5 to become a low-temperature and low-pressure liquid refrigerant and flows to the third three-way valve 67, the low-temperature and low-pressure liquid refrigerant can only flow into the second three-way valve 66 through the fourth three-way valve 68 connected with the third one-way valve 63, the third one-way valve 63 is automatically closed under the action of pressure difference, the low-temperature and low-pressure liquid refrigerant can only flow into the second three-way valve 66 through the low-temperature and low-pressure heat-temperature and low-pressure liquid refrigerant after passing through the throttling device 5, the low-temperature and low-pressure heat-temperature heat-pressure heat-temperature heat-conducting assembly, the gaseous refrigerant enters the low-temperature and the low-temperature heat exchanger 60, and the low-temperature refrigerant, the low-temperature low-pressure gaseous refrigerant after absorbing heat flows into the compressor 2 again to complete the whole refrigeration cycle.
During heating, as shown in fig. 4, a high-temperature high-pressure gaseous refrigerant discharged from the compressor 2 is diverted to the indoor heat exchanger 4 through the four-way valve 3, the high-temperature high-pressure gaseous refrigerant is condensed and released heat in the indoor heat exchanger 4 to become a medium-temperature high-pressure liquid refrigerant, the indoor air is heated through the surface of the heat exchanger to achieve the purpose of raising the indoor temperature, the medium-temperature high-pressure liquid refrigerant flows to the second three-way valve 66, the medium-temperature high-pressure liquid refrigerant flows to the first three-way valve 65 through the second one-way valve 62, the medium-temperature high-pressure liquid refrigerant flows to the liquid side of the heat conducting assembly 60 for heat release through the first three-way valve 65 because the second one-way valve 62 is not permeable, the medium-temperature high-pressure liquid refrigerant after heat release flows to the third low-temperature liquid refrigerant 67 through the throttling device 5, the fourth one-way valve 64 is automatically closed under the effect of pressure difference, the low-temperature high-pressure liquid refrigerant flows to the third low-temperature liquid refrigerant through the low-temperature low-pressure liquid three-pressure heat conducting assembly 61, the first three-way valve 61 is automatically closed, the low-temperature high-pressure liquid refrigerant flows to the heat conducting assembly 60 through the first three-temperature low-pressure heat exchanger 1, and the low-temperature high-pressure heat conducting assembly 1, the first three-temperature refrigerant flows to the heat conducting assembly 1. The low-temperature low-pressure gaseous refrigerant after absorbing heat flows into the compressor 2 again to complete the whole heating cycle.
It can be seen that, the heat transfer structure 6 of this application combines the pressure differential around throttling arrangement 5 to change through the reasonable configuration of first check valve 61, second check valve 62, third check valve 63 and fourth check valve 64, can realize the automatic flow direction control of liquid refrigerant for no matter refrigerate or heat the circulation, the liquid refrigerant homoenergetic after the condensation is exothermic can flow into heat-conducting component 60 automatically and further release heat, compare traditional electric valve, the flow direction control mode of this application is more simple, convenient.
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.
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 (10)
1. The utility model provides an air conditioning system with heat transfer structure, includes outdoor heat exchanger, compressor, indoor heat exchanger and throttling arrangement that are linked together through the pipeline, its characterized in that: the heat exchange structure comprises a heat conduction assembly, the gas side of the heat conduction assembly is connected to the air suction pipe of the compressor, and the liquid side of the heat conduction assembly is connected to the inlet pipe of the throttling device.
2. The air conditioning system of claim 1, wherein: one end of the liquid side of the heat conduction assembly is communicated with the inlet of the throttling device, and the other end of the liquid side of the heat conduction assembly is respectively communicated with one end of the outdoor heat exchanger and one end of the indoor heat exchanger.
3. The air conditioning system of claim 2, wherein: and a first one-way valve is arranged on a connecting pipeline between the heat conducting assembly and the outdoor heat exchanger and is used for enabling liquid refrigerant to flow to the heat conducting assembly from the outdoor heat exchanger in a refrigeration mode.
4. The air conditioning system of claim 3, wherein: and a second one-way valve is arranged on a connecting pipeline between the heat conducting assembly and the indoor heat exchanger, and the second one-way valve is used for enabling liquid refrigerant to flow to the heat conducting assembly from the indoor heat exchanger in the heating mode.
5. The air conditioning system of claim 4, wherein: and a third one-way valve is arranged on a connecting pipeline between the outlet of the throttling device and the outdoor heat exchanger, and the third one-way valve is used for enabling liquid refrigerant to flow to the outdoor heat exchanger from the throttling device in the heating mode.
6. The air conditioning system of claim 5, wherein: and a fourth one-way valve is arranged on a connecting pipeline between the outlet of the throttling device and the indoor heat exchanger, and the fourth one-way valve is used for enabling liquid refrigerant to flow to the indoor heat exchanger from the throttling device in a refrigeration mode.
7. The air conditioning system of claim 6, wherein: the device also comprises a first three-way valve, a second three-way valve, a third three-way valve and a fourth three-way valve;
the first three-way valve is respectively communicated with the heat conduction assembly, the first one-way valve and the second one-way valve; the second three-way valve is respectively communicated with the indoor heat exchanger, the second one-way valve and the fourth one-way valve; the third three-way valve is respectively communicated with the throttling device, the third one-way valve and the fourth one-way valve; the fourth three-way valve is respectively communicated with the outdoor heat exchanger, the first one-way valve and the third one-way valve.
8. The air conditioning system of claim 2, wherein: and one end of the gas side of the heat conduction assembly is communicated with the air suction port of the compressor, and the other end of the gas side of the heat conduction assembly is respectively communicated with the other ends of the outdoor heat exchanger and the indoor heat exchanger.
9. The air conditioning system of claim 8, wherein: the air conditioning system also comprises a four-way valve, and the four-way valve is respectively communicated with the compressor, the outdoor heat exchanger, the indoor heat exchanger and the heat conduction assembly.
10. The air conditioning system of claim 1, wherein: the heat conduction assembly is made of heat conduction silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211158069.8A CN115682457A (en) | 2022-09-22 | 2022-09-22 | Air conditioning system with heat exchange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211158069.8A CN115682457A (en) | 2022-09-22 | 2022-09-22 | Air conditioning system with heat exchange structure |
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| Publication Number | Publication Date |
|---|---|
| CN115682457A true CN115682457A (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211158069.8A Pending CN115682457A (en) | 2022-09-22 | 2022-09-22 | Air conditioning system with heat exchange structure |
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