CN107869920B - Fin type heat exchanger and heat pump system - Google Patents
Fin type heat exchanger and heat pump system Download PDFInfo
- Publication number
- CN107869920B CN107869920B CN201610844153.3A CN201610844153A CN107869920B CN 107869920 B CN107869920 B CN 107869920B CN 201610844153 A CN201610844153 A CN 201610844153A CN 107869920 B CN107869920 B CN 107869920B
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- Prior art keywords
- heat exchanger
- solution
- refrigerant
- exchange layer
- heat exchange
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Air Conditioning (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a fin type heat exchanger and a heat pump system. The fin type heat exchanger comprises a refrigerant pipe and fins, wherein a plurality of expansion pipe holes are formed in the fins, a moisture exchange layer is arranged outside the refrigerant pipe, the moisture exchange layer comprises a protection film and a dehumidifying film, the protection film and the dehumidifying film are sequentially arranged on the refrigerant pipe, a solution flow channel is formed between the protection film and the dehumidifying film, and the moisture exchange layer is provided with a solution inlet and a solution outlet which are communicated with the solution flow channel; the refrigerant pipe is arranged in the expansion pipe hole, the water exchange layer is also arranged in the expansion pipe hole, and a notch for the solution flow channel to pass through is arranged at the edge of the expansion pipe hole. The fin type heat exchanger has high humidity adjusting efficiency, so that the whole volume of the air conditioner is reduced, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to air conditioning equipment, in particular to a fin type heat exchanger and a heat pump system.
Background
At present, an air conditioner is a household appliance commonly used in daily life of people, and the conventional air conditioner generally comprises a compressor, a condenser, a throttling component and an evaporator, and the air conditioner generally has a dehumidification function, and mainly utilizes the evaporation temperature of the evaporator to be lower than the dew point of air, so that water vapor is condensed to dehumidify. However, in actual use, the air conditioner is generally only used for dehumidification, whereas in a dry environment, the air conditioner cannot realize a humidifying function. In order to solve the above problems, an air conditioner having a solution dehumidifying function is being developed, in which the solution dehumidifying is based on a dissolution-diffusion mechanism, and the dehumidifying and humidifying are mainly implemented by using the concentration of the solution, i.e., the water vapor in the air is absorbed when the concentration of the solution is high, whereas the water vapor is released into the air when the concentration of the solution is low. In order to realize the solution dehumidification function in the prior art, an independent membrane dehumidifier is generally adopted, the membrane dehumidifier generally comprises a solution tank and a dehumidifying film (a film with a water vapor permeation function such as an organic high polymer film, an inorganic film, a liquid film and the like) covered on the solution tank, in the actual use process, an external cold source and a heat source are required for cooling and regenerating the solution, the humidity adjustment efficiency is low, and the additionally added membrane dehumidifier causes the whole volume of the air conditioner to be enlarged and the manufacturing cost to be increased. How to design an air conditioner with high humidity adjusting efficiency, small volume and low manufacturing cost is the technical problem to be solved by the invention.
Disclosure of Invention
The invention provides a fin type heat exchanger and a heat pump system, which can improve the humidity adjusting efficiency of the fin type heat exchanger, reduce the whole volume of an air conditioner and reduce the manufacturing cost.
In order to achieve the technical purpose, the invention is realized by adopting the following technical scheme:
The fin type heat exchanger comprises a refrigerant pipe and fins, wherein a plurality of expansion pipe holes are formed in the fins, a moisture exchange layer is arranged outside the refrigerant pipe, the moisture exchange layer comprises a protection film and a dehumidifying film, the protection film and the dehumidifying film are sequentially arranged on the refrigerant pipe, a solution flow channel is formed between the protection film and the dehumidifying film, and the moisture exchange layer is provided with a solution inlet and a solution outlet which are communicated with the solution flow channel; the refrigerant pipe is arranged in the expansion pipe hole, the water exchange layer is also arranged in the expansion pipe hole, and a notch for the solution flow channel to pass through is arranged at the edge of the expansion pipe hole.
The invention also provides a heat pump system which comprises a compressor, a condenser, a throttling component and an evaporator, wherein the evaporator adopts the fin type heat exchanger.
Compared with the prior art, the invention has the advantages and positive effects that: through set up the moisture exchange layer in the refrigerant pipe outside, the refrigerant pipe is used for supplying the refrigerant to flow the heat transfer, when the refrigerant flows through the refrigerant pipe, the refrigerant can carry out the heat exchange with the solution in the moisture exchange layer, thereby realize refrigerating or heating the solution in the moisture exchange layer, the refrigerant pipe can also realize the regulation to humidity together when carrying out temperature regulation, the refrigerant can be more quick carry out the heat exchange with the solution of refrigerant pipe outside, the effectual governing efficiency who has improved humidity, the heat exchanger itself is integrated with humidification dehumidification's function, thereby realize the air conditioner need not to adopt extra independent diaphragm type dehumidifier, make the whole volume of air conditioner diminish and effectual manufacturing cost that has reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a fin heat exchanger of the present invention;
FIG. 2 is a schematic view of an embodiment of a fin heat exchanger of the present invention;
FIG. 3 is a schematic view of a fin structure in an embodiment of a fin heat exchanger according to the present invention;
Fig. 4 shows the principle of the fin heat exchanger according to the present invention in use.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, the fin-type heat exchanger of the present embodiment includes a refrigerant tube 1 and fins 11 for flowing and exchanging heat of a refrigerant, the fins 11 are provided with a plurality of expansion tube holes 111, a moisture exchange layer 2 is disposed outside the refrigerant tube 1, the moisture exchange layer 2 includes a protective film 21 and a dehumidifying film 22, the protective film 21 and the dehumidifying film 22 are sequentially disposed on the refrigerant tube 1, the protective film 21 is attached to the surface of the refrigerant tube 1, a solution flow channel 20 is formed between the protective film 21 and the dehumidifying film 22, and the moisture exchange layer 2 is provided with a solution inlet and a solution outlet which are communicated with the solution flow channel 20; the refrigerant pipe 1 is arranged in the expansion pipe hole 111, the moisture exchange layer 2 is also arranged in the expansion pipe hole 111, and a notch 112 for the solution flow channel 20 to pass through is arranged at the edge of the expansion pipe hole 111.
Specifically, the refrigerant tube 1 in the fin-type heat exchanger of the present embodiment is used for cooling medium flowing to perform heat exchange, the fins 11 on the outer portion of the refrigerant tube 1 are used for accelerating heat exchange efficiency, the refrigerant tube 1 is connected with the compressor to form a cooling medium flowing loop in the actual use process, meanwhile, the outer portion of the refrigerant tube 1 is further provided with a moisture exchange layer 2, a solution flowing channel 20 is formed in the moisture exchange layer 2 and is used for flowing solution, a protective film 21 of the moisture exchange layer 2 is attached to the outer wall of the refrigerant tube 1, the protective film 21 is used for isolating the solution from contacting with the surface of the refrigerant tube 1 so as to protect the refrigerant tube 1 from corrosion of the solution, and a dehumidifying film 22 of the moisture exchange layer 2 ensures that water vapor in air can freely enter and exit the moisture exchange layer 2, and the solution cannot pass through the dehumidifying film 22. The refrigerant pipe 1 is used for heat exchange of a refrigerant on one hand, and on the other hand, the refrigerant pipe 1 utilizes the refrigerant flowing in the refrigerant pipe to exchange heat with the solution in the external water exchange layer 2 so as to refrigerate or heat the solution in the water exchange layer 2 according to the requirement, so that the function of adjusting the ambient humidity is realized, and the refrigerant and the solution can be quickly subjected to heat exchange, so that the humidity adjusting efficiency can be effectively improved. The fin type heat exchanger of the embodiment realizes the heat exchange of the refrigerant and simultaneously integrates the solution dehumidification function, and the heat exchanger with the integrated structure ensures that the air conditioning equipment does not need to additionally adopt an independent membrane type dehumidifier, so that the whole volume of the air conditioning equipment can be reduced on the one hand, and the manufacturing cost can be effectively reduced on the other hand. In order to ensure that the solution can smoothly flow in the water exchange layer 2, the expansion tube holes 111 of the fins 11 are further provided with notches 112, the notches 112 form spaces for the solution flow channels 20 to pass through, and after the refrigerant tube 1 is expanded in the expansion tube holes 111, the solution in the water exchange layer 2 can still smoothly flow through the solution flow channels 20 penetrating through the notches 112, preferably, in order to increase the flow rate of the solution, the expansion tube holes 111 are provided with a plurality of the notches 112 along the circumferential direction. In order to improve the heat exchange efficiency, the refrigerant pipe 1 is integrally in a serpentine coil structure.
Wherein, in order to more effectively improve the humidity adjusting efficiency, the moisture exchanging layer 2 is wrapped outside the refrigerant pipe 1. Specifically, the moisture exchange layer 2 is wrapped outside the refrigerant pipe 1, so that the heat exchange area between the moisture exchange layer 2 and the refrigerant pipe 1 can be increased to the greatest extent, and the humidity adjustment efficiency can be improved more effectively under the action of the refrigerant. Preferably, the protective film 21 is formed on the outer surface of the refrigerant pipe 1, so as to facilitate the processing and assembly of the heat exchanger.
The fin type heat exchanger of this embodiment is used as follows:
when the refrigerant in the heat exchanger is in a refrigerating condition, air flows outside the dehumidifying film 22, and as the temperature of the refrigerant is low, firstly, the solution in the liquid flow channel 20 absorbs heat, and the solution absorbs heat to the air, so that the temperature of the air is reduced; meanwhile, because the concentration of the solution is higher, the air can be subjected to moisture absorption, and finally the air can be cooled and dehumidified.
When the refrigerant in the heat exchanger is in a heating working condition, air flows outside the heating and dehumidifying film 22, and the solution in the liquid flow channel 20 is heated at first due to the higher temperature of the refrigerant, and the solution heats the air, so that the temperature of the air is increased; meanwhile, as the concentration of the solution is low, and the temperature of the refrigerant reaches the regeneration temperature, water vapor in the solution can be released into the air, so that the air is humidified, and the air is heated and humidified finally.
Based on the above technical solution, optionally, as shown in fig. 1 and fig. 4, the fin-type heat exchanger of the present embodiment includes two groups of independent heat exchange units, each group of heat exchange units includes the refrigerant tube 1, the fin 11 and the moisture exchange layer 2, and the refrigerant tube 1, the fin 11 and the moisture exchange layer 2 in each group of heat exchange units are assembled by installing the above technical solution, so that each group of heat exchange units forms an independent heat exchange module; the fin type heat exchanger further comprises an auxiliary heat exchanger 3, the auxiliary heat exchanger 3 is provided with a first heat exchange channel 31 and a second heat exchange channel 32 which exchange heat mutually, the first heat exchange channel 31 is connected with the solution inlet of one moisture exchange layer 2 and the solution outlet of the other moisture exchange layer 2, and the second heat exchange channel 32 is connected with the solution outlet of one moisture exchange layer 2 and the solution inlet of the other moisture exchange layer 2. Specifically, in the actual use process, one of the refrigerant pipes 1 serves as a condenser, the other refrigerant pipe 1 serves as an evaporator, and the solutions output in the different moisture exchange layers 2 in the two refrigerant pipes 1 are subjected to heat exchange in the auxiliary heat exchanger 3, so that the adjustment requirements of indoor environment temperature and humidity are better met. The first heat exchange channel 31 and the second heat exchange channel 32 are respectively connected with a solution pump 4 and a solution expansion tank 5.
Preferably, a total heat exchanger 6 is also arranged between the two groups of heat exchange units. Specifically, the return air located at the indoor side and serving as the heat exchange unit for the evaporator and the inlet air located at the outdoor side and serving as the heat exchange unit for the condenser exchange heat through the total heat exchanger, so that the working efficiency is improved more effectively, the energy consumption is reduced, and the energy efficiency ratio is improved.
The invention also provides a heat pump system which comprises a compressor, a condenser, a throttling component and an evaporator, wherein the evaporator adopts the fin type heat exchanger. Specifically, the fin heat exchanger in this embodiment may be a fin heat exchanger in the embodiment of the fin heat exchanger of the present invention, and the specific structure thereof may be referred to the embodiment of the fin heat exchanger of the present invention and the descriptions of fig. 1 to 4, which are not repeated herein. In order to achieve the regeneration of the solution in the evaporator, a regenerator, which is configured for a membrane dehumidifier in the prior art, may be correspondingly connected to the evaporator, and the specific structural form of the regenerator is not limited herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The fin type heat exchanger comprises a refrigerant pipe and fins, wherein a plurality of expansion pipe holes are formed in the fins, and the fin type heat exchanger is characterized in that a moisture exchange layer is arranged outside the refrigerant pipe, the moisture exchange layer comprises a protection film and a dehumidifying film, the protection film and the dehumidifying film are sequentially arranged on the refrigerant pipe, a solution flow channel is formed between the protection film and the dehumidifying film, and the moisture exchange layer is provided with a solution inlet and a solution outlet which are communicated with the solution flow channel; the refrigerant pipe is arranged in the expansion pipe hole, the water exchange layer is also arranged in the expansion pipe hole, a notch for the solution flow channel to pass through is arranged at the edge of the expansion pipe hole, a plurality of notches are formed in the expansion pipe hole along the circumferential direction, and the refrigerant pipe is configured for heat exchange of the refrigerant and is also configured for heat exchange of the refrigerant flowing inside and the solution in the water exchange layer outside;
The fin type heat exchanger comprises two groups of independent heat exchange units, and each group of heat exchange units comprises the refrigerant pipe, the fins and the water exchange layer; the fin type heat exchanger further comprises an auxiliary heat exchanger, wherein the auxiliary heat exchanger is provided with a first heat exchange channel and a second heat exchange channel which are in heat exchange with each other, the first heat exchange channel is connected with a solution inlet of one water exchange layer and a solution outlet of the other water exchange layer, the second heat exchange channel is connected with the solution outlet of one water exchange layer and the solution inlet of the other water exchange layer, and a total heat exchanger is further arranged between the two groups of heat exchange units.
2. The fin heat exchanger of claim 1, wherein the moisture exchange layer is wrapped around the exterior of the refrigerant tube.
3. The fin heat exchanger of claim 1, wherein the protective film coating is formed on an outer surface of the refrigerant tube.
4. The fin heat exchanger of claim 1, wherein the first heat exchange channel and the second heat exchange channel are each connected with a solution pump.
5. The fin heat exchanger of claim 1, wherein the first heat exchange channel and the second heat exchange channel are each connected with a solution expansion tank.
6. The fin heat exchanger of claim 1, wherein the refrigerant tube is integrally serpentine in coil configuration.
7. A heat pump system comprising a compressor, a condenser, a throttle member, and an evaporator, wherein the evaporator employs the fin heat exchanger of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844153.3A CN107869920B (en) | 2016-09-23 | 2016-09-23 | Fin type heat exchanger and heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844153.3A CN107869920B (en) | 2016-09-23 | 2016-09-23 | Fin type heat exchanger and heat pump system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107869920A CN107869920A (en) | 2018-04-03 |
| CN107869920B true CN107869920B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610844153.3A Active CN107869920B (en) | 2016-09-23 | 2016-09-23 | Fin type heat exchanger and heat pump system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1743769A (en) * | 2005-10-10 | 2006-03-08 | 尹进福 | Method for air conditioning by solution dehumidifying with cold-hot two-side energy of refrigerating compressor |
| JP2009103393A (en) * | 2007-10-25 | 2009-05-14 | Panasonic Corp | Heat exchanger |
| EP2622280A1 (en) * | 2010-09-30 | 2013-08-07 | Universita' degli Studi di Genova | Contactor module with hydrophobic capillary membranes, integrated in a heat exchanger and hybrid plant for the dehumidification/conditioning of air |
| CN205308152U (en) * | 2015-08-31 | 2016-06-15 | 东莞理工学院 | Membrane contactor with high mass transfer efficiency and efficient dehumidification system |
| CN206208061U (en) * | 2016-09-23 | 2017-05-31 | 青岛海尔智能技术研发有限公司 | Finned heat exchanger and heat pump |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216257A (en) * | 2008-01-08 | 2008-07-09 | 清华大学 | Anti-corrosion, heat and mass exchange device without liquid entrainment for solution to adjust humidity |
| JP5617220B2 (en) * | 2009-11-10 | 2014-11-05 | パナソニック株式会社 | Heat exchanger and cooling system and refrigerator using the same |
| DE102014225544A1 (en) * | 2014-12-11 | 2016-07-07 | Vaillant Gmbh | Heat and moisture transmitter |
-
2016
- 2016-09-23 CN CN201610844153.3A patent/CN107869920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743769A (en) * | 2005-10-10 | 2006-03-08 | 尹进福 | Method for air conditioning by solution dehumidifying with cold-hot two-side energy of refrigerating compressor |
| JP2009103393A (en) * | 2007-10-25 | 2009-05-14 | Panasonic Corp | Heat exchanger |
| EP2622280A1 (en) * | 2010-09-30 | 2013-08-07 | Universita' degli Studi di Genova | Contactor module with hydrophobic capillary membranes, integrated in a heat exchanger and hybrid plant for the dehumidification/conditioning of air |
| CN205308152U (en) * | 2015-08-31 | 2016-06-15 | 东莞理工学院 | Membrane contactor with high mass transfer efficiency and efficient dehumidification system |
| CN206208061U (en) * | 2016-09-23 | 2017-05-31 | 青岛海尔智能技术研发有限公司 | Finned heat exchanger and heat pump |
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| Publication number | Publication date |
|---|---|
| CN107869920A (en) | 2018-04-03 |
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