CN107869811B - Membrane solution wind type refrigeration equipment - Google Patents
Membrane solution wind type refrigeration equipment Download PDFInfo
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- CN107869811B CN107869811B CN201610844402.9A CN201610844402A CN107869811B CN 107869811 B CN107869811 B CN 107869811B CN 201610844402 A CN201610844402 A CN 201610844402A CN 107869811 B CN107869811 B CN 107869811B
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 35
- 239000012528 membrane Substances 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000003507 refrigerant Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims 1
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a film solution wind type refrigeration device, which comprises an insulation box body and a refrigeration loop, wherein the refrigeration loop comprises a compressor, a condenser and an evaporator, and the condenser and the evaporator both adopt heat exchangers with humidity adjusting functions; the heat exchanger comprises a heat exchange main body and an auxiliary heat exchanger, a moisture exchange layer is arranged outside the heat exchange main body, the moisture exchange layer comprises a protective film and a dehumidifying film, the protective film and the dehumidifying film are sequentially arranged on the heat exchange main body, a solution flow channel is formed between the protective 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 auxiliary heat exchanger is provided with a first heat exchange channel and a second heat exchange channel which exchange heat mutually, the first heat exchange channel is connected with the solution inlet of one of the water exchange layers and the solution outlet of the other water exchange layer, and the second heat exchange channel is connected with the solution outlet of one of the water exchange layers and the solution inlet of the other water exchange layer, so that the humidity adjusting efficiency is improved.
Description
Technical Field
The invention relates to refrigeration equipment, in particular to membrane solution wind type refrigeration equipment.
Background
At present, the refrigeration equipment is a household appliance commonly used in daily life of people, and the conventional refrigeration equipment generally comprises a compressor, a condenser, a throttling component and an evaporator, and in the actual use process, air containing water vapor from the outside enters a storage cavity of the refrigeration equipment when the door is opened and closed, and a large amount of condensation or frosting is easily generated after the water vapor is cooled, so that the energy consumption of the refrigeration equipment is increased. How to design a refrigeration device capable of automatically removing condensation and preventing frosting is a technical problem to be solved by the invention.
Disclosure of Invention
The invention provides a film method solution air-type refrigeration device, which can automatically remove condensation to prevent frosting and reduce energy consumption of the film method solution air-type refrigeration device.
In order to achieve the technical purpose, the invention is realized by adopting the following technical scheme:
The membrane solution wind type refrigeration equipment comprises an insulation box body and a refrigeration loop, wherein the insulation box body is provided with an air duct, a fan is arranged in the air duct, the refrigeration loop comprises a compressor, a condenser, a throttling component and an evaporator which are connected together, and the evaporator is arranged in the air duct; the heat exchanger with the humidity adjusting function comprises a heat exchange main body and an auxiliary heat exchanger, wherein the heat exchange main body is used for cooling medium flowing and heat exchanging, a moisture exchange layer is arranged outside the heat exchange main body, the moisture exchange layer comprises a protection film and a dehumidifying film, the protection film and the dehumidifying film are sequentially arranged on the heat exchange main body, a solution flowing 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 flowing channel; the auxiliary heat exchanger is provided with a first heat exchange channel and a second heat exchange channel which exchange heat mutually, the first heat exchange channel is connected with the solution inlet of one of the moisture exchange layers and the solution outlet of the other moisture exchange layer, and the second heat exchange channel is connected with the solution outlet of one of the moisture exchange layers and the solution inlet of the other moisture exchange layer.
Compared with the prior art, the invention has the advantages and positive effects that: through set up the moisture exchange layer in heat exchange main part outside, the heat exchange main part is used for supplying the refrigerant to flow the heat transfer, when the refrigerant flows through the heat exchange main part, the refrigerant can carry out the heat exchange with the solution in the moisture exchange layer, thereby realize refrigerating or heating to the solution in the moisture exchange layer, the heat exchange main part can also realize the regulation to humidity together when carrying out temperature regulation, the refrigerant can more quick carry out the heat exchange with the solution outside the heat exchange main part, based on dissolve-diffusion mechanism, utilize the concentration of solution to absorb the moisture in the storing cavity, with clear away the condensation that produces, the phenomenon of effectual reduction storing cavity takes place the frost takes place, realize the automatic clear condensation of embrane method solution wind formula refrigeration plant in order to prevent the frost, the energy consumption of embrane method solution wind formula refrigeration plant is 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 structural diagram of an embodiment of a solution wind type refrigeration device according to a membrane method of the present invention;
FIG. 2 is a schematic diagram of an embodiment of a solution air-type refrigeration apparatus according to the present invention;
Fig. 3 is a schematic structural diagram of a heat exchanger with humidity adjusting function in an embodiment of a film solution wind type refrigeration device according to the present invention;
fig. 4 is a schematic structural diagram of a heat exchange main body in an embodiment of a solution wind type refrigeration device according to a membrane method of the present invention;
Fig. 5 is a schematic structural diagram of a fin in an embodiment of a film method solution wind type refrigeration device according to the present invention;
Fig. 6 is a schematic diagram of a heat exchange main body in an embodiment of a solution wind type refrigeration device according to a membrane method of the present invention;
Fig. 7 is an enlarged partial schematic view of the area a in fig. 6.
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 film solution wind-type refrigeration equipment of the present embodiment includes an insulation box 1000 and a refrigeration circuit, the insulation box is provided with a storage cavity and a machine cabin, an air duct 1001 is provided in the storage cavity, a fan 1002 is provided in the air duct 1001, the refrigeration circuit includes a compressor 7, a condenser 102, a throttling component 8 and an evaporator 101 connected together, the evaporator 101 is provided in the air duct 1001, and the compressor 7, the condenser 102 and the throttling component 8 are provided in the machine cabin. The condenser 102 and the evaporator 101 are both heat exchangers with humidity adjusting function, the heat exchangers with humidity adjusting function comprise a heat exchange main body 1 for cooling medium flowing and heat exchanging, a channel 10 for cooling medium flowing is formed in the heat exchange main body 1 and is provided with a cooling medium inlet and a cooling medium outlet, a moisture exchange layer 2 is arranged outside the heat exchange main body 1, the moisture exchange layer 2 comprises a protective film 21 and a dehumidifying film 22, the protective film 21 and the dehumidifying film 22 are sequentially arranged on the heat exchange main body 1, the protective film 21 is attached to the surface of the heat exchange main body 1, a solution flowing 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 flowing channel 20; the water exchange layers 2 on the two heat exchange bodies 1 are connected with each other through the 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 with each other, the first heat exchange channel 31 is connected with the solution inlet of one water exchange layer 2 and the solution outlet of the other water exchange layer 2, and the second heat exchange channel 32 is connected with the solution outlet of one water exchange layer 2 and the solution inlet of the other water exchange layer 2.
Specifically, the structure of the condenser 102 and the evaporator 101 in the film solution air-type refrigeration device of the present embodiment adopts a heat exchanger with humidity adjusting function, the heat exchange main body 1 in the heat exchanger with humidity adjusting function is used for heat exchange for refrigerant flowing, the heat exchange main body 1 is connected with a compressor to form a refrigerant flowing loop in the actual use process, meanwhile, the outside of the heat exchange main body 1 is also provided with a moisture exchange layer 2, a solution flowing channel 20 is formed in the moisture exchange layer 2 for solution flowing, a protective film 21 of the moisture exchange layer 2 is attached to the outer wall of the heat exchange main body 1, the protective film 21 contacts the surface of the heat exchange main body 1 to protect the heat exchange main body 1 from corrosion of the solution, and the dehumidifying film 22 of the moisture exchange layer 2 ensures that water vapor in the air can freely enter and exit the moisture exchange layer 2, but the solution cannot pass through the dehumidifying film 22. The heat exchange main body 1 is used for heat exchange of a refrigerant on one hand, and on the other hand, the heat exchange main body 1 utilizes the refrigerant flowing in the heat exchange main body 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 requirements, so that the humidity adjusting function 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 water entering the storage cavity can be quickly absorbed by the solution, and the generation of condensation is reduced so as to avoid frosting. One heat exchange body 1 serves as a condenser 102, the other heat exchange body 1 serves as an evaporator 101, and solutions output from different moisture exchange layers 2in the two heat exchange bodies 1 are subjected to heat exchange in the auxiliary heat exchanger 3 so as to better meet the regulation requirements of indoor environment temperature and humidity. 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. While the auxiliary heat exchanger 3, the solution pump 4 and the solution expansion tank 5 may be provided in the machine cabin to reduce the volume occupying the storage cavity.
Further, in order to more effectively improve the humidity adjustment efficiency, the moisture exchange layer 2 is wrapped outside the heat exchange body 1. Specifically, the moisture exchange layer 2 wraps the heat exchange main body 1, so that the heat exchange area between the moisture exchange layer 2 and the heat exchange main body 1 can be increased to the greatest extent, and the humidity adjustment efficiency can be improved more effectively under the action of a refrigerant. Preferably, the protective film 21 is formed on the outer surface of the heat exchange body 1, so as to facilitate the processing and assembly of the heat exchanger.
The entity of the heat exchange body 1 in this embodiment may take various structural forms, for example: the heat exchange main body 1 can adopt a tubular radiator, a fin radiator or a plate radiator and other structural forms, and specifically, as shown in fig. 4, the heat exchange main body 1 is a refrigerant pipe, and the water exchange layer 2 is wrapped on the outer wall of the refrigerant pipe. In order to improve the heat dissipation efficiency, as shown in fig. 4-5, the heat exchange body 1 is further provided with fins 11 on the basis of adopting a refrigerant pipe, the fins 11 are provided with a plurality of expansion pipe holes 111, the refrigerant pipe 1 is arranged in the expansion pipe holes 111, the water exchange layer 2 is also positioned in the expansion pipe holes 111, the edges of the expansion pipe holes 111 are provided with notches 112 for allowing the solution flow channels 20 to pass through, in particular, in order to ensure that the solution can smoothly flow in the water exchange layer 2, the expansion pipe holes 111 of the fins 11 are further provided with notches 112, the notches 112 form a space for allowing the solution flow channels 20 to pass through, after the heat exchange body 1 is arranged in the expansion pipe holes 111, the solution in the water exchange layer 2 can still smoothly flow through the solution flow channels 20 passing through the notches 112, preferably, the expansion pipe holes 111 are provided with a plurality of the notches 112 along the circumferential direction in order to increase the flow rate of the solution. In order to improve the heat exchange efficiency, the whole heat exchange main body 1 is in a serpentine coil structure. Or as shown in fig. 6-7, the heat exchange main body 1 adopts a heat dissipation plate, and the heat dissipation plate is provided with a refrigerant flow channel 10, preferably, a plurality of heat dissipation plates which are arranged oppositely can be adopted according to requirements, and an air flow area 100 is formed between two adjacent heat dissipation plates.
The membrane solution wind type refrigeration equipment comprises a refrigerant circulation and a solution circulation.
The refrigerant cycle comprises: the high-temperature and high-pressure refrigerant after being compressed by the compressor enters the condenser to release heat, and then is throttled into low-temperature and low-pressure refrigerant through the throttling component, enters the evaporator to absorb heat, and then flows back to the compressor.
The solution circulation comprises: condenser, solution expansion tank, solution pump, auxiliary heat exchanger, evaporator. The concentrated solution absorbs water vapor in the air in the evaporator to achieve a dehumidification effect while being cooled by the refrigerant in the evaporator. The diluted concentrated solution enters a solution expansion tank and a solution pump, the heat exchange temperature of the high-temperature diluted solution flowing into an auxiliary heat exchanger and a condenser is slightly increased, the diluted concentrated solution continuously flows into the condenser and is heated by a refrigerant in the condenser, the solution is regenerated at the condensation temperature, and water vapor in the solution is released into the air to humidify the air.
The air in the storage cavity is cooled and dehumidified, and the air in the cabin is heated and humidified.
The working principle of the heat exchanger is 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.
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 (5)
1. The membrane solution wind type refrigeration equipment comprises an insulation box body and a refrigeration loop, wherein the insulation box body is provided with an air duct, a fan is arranged in the air duct, the refrigeration loop comprises a compressor, a condenser, a throttling component and an evaporator which are connected together, and the evaporator is arranged in the air duct; the heat exchanger with the humidity adjusting function comprises a heat exchange main body and an auxiliary heat exchanger, wherein the heat exchange main body is used for cooling medium flowing and heat exchanging, a moisture exchange layer is arranged outside the heat exchange main body, the moisture exchange layer comprises a protection film and a dehumidifying film, the protection film and the dehumidifying film are sequentially arranged on the heat exchange main body, a solution flowing 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 flowing channel; the auxiliary heat exchanger is provided with a first heat exchange channel and a second heat exchange channel which are mutually in heat exchange, the first heat exchange channel is connected with the solution inlet of one of the water exchange layers and the solution outlet of the other water exchange layer, and the second heat exchange channel is connected with the solution outlet of one of the water exchange layers and the solution inlet of the other water exchange layer;
the heat exchange main body is a refrigerant pipe, fins are further arranged on the refrigerant pipe, the fins are provided with expansion pipe holes, the refrigerant pipe is arranged in the expansion pipe holes, the water exchange layer is also positioned in the expansion pipe holes, and gaps for the solution flowing channels to pass through are formed in the edges of the expansion pipe holes;
The heat preservation box body is provided with a storage cavity and a machine cabin; the moisture exchange layer is wrapped outside the heat exchange main body.
2. The film method solution air-type refrigerating apparatus according to claim 1, wherein the protective film is formed on an outer surface of the heat exchange body.
3. The membrane solution air-type refrigeration apparatus according to claim 1, wherein the first heat exchange channel and the second heat exchange channel are respectively connected with a solution pump, and the auxiliary heat exchanger and the solution pump are arranged in the machine cabin.
4. The membrane solution wind type refrigeration device according to claim 1, wherein the first heat exchange channel and the second heat exchange channel are respectively connected with a solution expansion tank, and the solution expansion tanks are arranged in the machine cabin.
5. The film solution air-type refrigerating apparatus according to claim 1, wherein the expansion tube hole is provided with a plurality of the notches in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844402.9A CN107869811B (en) | 2016-09-23 | 2016-09-23 | Membrane solution wind type refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844402.9A CN107869811B (en) | 2016-09-23 | 2016-09-23 | Membrane solution wind type refrigeration equipment |
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| CN107869811A CN107869811A (en) | 2018-04-03 |
| CN107869811B true CN107869811B (en) | 2024-05-14 |
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| CN201610844402.9A Active CN107869811B (en) | 2016-09-23 | 2016-09-23 | Membrane solution wind type refrigeration equipment |
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2016
- 2016-09-23 CN CN201610844402.9A patent/CN107869811B/en active Active
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| JPH1054585A (en) * | 1996-08-13 | 1998-02-24 | Takasago Thermal Eng Co Ltd | Air conditioner |
| KR19980067579A (en) * | 1997-02-06 | 1998-10-15 | 이진주 | High efficiency regenerative cooling system using midnight power |
| JPH11132593A (en) * | 1997-10-29 | 1999-05-21 | Daikin Ind Ltd | Air conditioner |
| JP2003148894A (en) * | 2001-11-06 | 2003-05-21 | Shimizu Corp | Heat exchanging coil, air conditioner and air-conditioning method using air conditioner |
| CN1502954A (en) * | 2002-11-20 | 2004-06-09 | 上海理工大学 | All fins heat-exchanger combined lithium bromide absorption refrigerator |
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| CN107869811A (en) | 2018-04-03 |
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