CN210951658U - High-efficiency combined refrigerating system and refrigerator - Google Patents
High-efficiency combined refrigerating system and refrigerator Download PDFInfo
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- CN210951658U CN210951658U CN201921516870.9U CN201921516870U CN210951658U CN 210951658 U CN210951658 U CN 210951658U CN 201921516870 U CN201921516870 U CN 201921516870U CN 210951658 U CN210951658 U CN 210951658U
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- 238000005057 refrigeration Methods 0.000 claims abstract description 71
- 238000010521 absorption reaction Methods 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 230000006835 compression Effects 0.000 claims abstract description 33
- 238000007906 compression Methods 0.000 claims abstract description 33
- 238000007791 dehumidification Methods 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims description 52
- 239000006096 absorbing agent Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 1
- -1 copper-clad Chemical compound 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a high-efficiency combined refrigeration system, which comprises an absorption refrigeration system and a compression refrigeration system; wherein the absorption refrigeration system is used for temperature regulation; the absorption refrigeration system includes a generator; the compression type refrigerating system is used for dehumidification regulation; the compression type refrigerating system comprises a compressor and a heat exchange conduit communicated with the air outlet end of the compressor; the heat exchange conduit is located within the absorption liquid of the generator. The high-efficiency combined refrigeration system provided by the utility model can utilize waste heat and realize the independent control of temperature and humidity separation; a refrigerator having the high-efficiency combined refrigeration system is also provided.
Description
Technical Field
The utility model relates to a refrigerating system especially relates to a high-efficient combination formula refrigerating system, still relates to the refrigerator that has this high-efficient combination formula refrigerating system.
Background
The refrigerating system consists of refrigerant and four parts, i.e. compressor, condenser, throttle valve and evaporator. However, the existing vapor compression type refrigeration system generally adopts an adjusting mode of controlling temperature and humidity simultaneously to adjust indoor temperature and humidity, the environment formed by the temperature and humidity adjusting mode is easy to feel uncomfortable to human bodies, and the waste heat generated is directly discharged, so that resource waste is easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's problem, providing an effective heat load that reduces the condenser, but used heat reuse and realize the high-efficient combination formula refrigerating system of temperature and humidity separation independent control, still provide a refrigerator that has this high-efficient combination formula refrigerating system.
In order to achieve the above purpose, the utility model adopts the following scheme:
a high efficiency combined refrigeration system comprising:
an absorption refrigeration system for temperature regulation; the absorption refrigeration system includes a generator;
a compression refrigeration system for dehumidification regulation; the compression type refrigerating system comprises a compressor and a heat exchange conduit communicated with the air outlet end of the compressor; the heat exchange conduit is located within the absorption liquid of the generator.
Further, the absorption refrigeration system also comprises a second condenser, a second throttle valve, a high-temperature evaporator and a concentration conversion device; the gas outlet end of the generator, the second condenser, the second throttle valve, the high-temperature evaporator and the concentration conversion device are communicated in sequence; the generator is in liquid communication with the concentration conversion device.
Further, the compression refrigeration system also comprises a first condenser, a first throttle valve and a low-temperature evaporator; the compressor, the heat exchange conduit, the first condenser, the first throttle valve and the low-temperature evaporator form a dehumidification refrigeration cycle flow path.
Further, the concentration conversion apparatus includes:
a solution heat exchanger in communication with the outlet end of the generator;
a third throttling valve in communication with the solution heat exchanger;
the liquid inlet end of the absorber is communicated with the third throttling valve; the air inlet end of the absorber is communicated with the high-temperature evaporator;
the solution pump is communicated with the liquid outlet end of the absorber and communicated with the solution heat exchanger; and the liquid inlet end of the solution heat exchanger is communicated with the solution pump.
Further, the heat exchange conduit is communicated with the first condenser through a first pipeline; the first condenser is communicated with the first throttling valve through a second pipeline; the compression type refrigeration system also comprises a third pipeline, a heat exchange pipeline, a fourth pipeline, a first electromagnetic valve and a second electromagnetic valve; the first pipeline is communicated with the third pipeline; the first electromagnetic valve is arranged on the third pipeline; the third pipeline, the heat exchange pipeline and the fourth pipeline are communicated in sequence; the second electromagnetic valve is arranged on the fourth pipeline; the fourth pipeline is communicated with the second pipeline; the heat exchange pipeline is positioned in the high-temperature evaporator so that heat exchange occurs between the refrigerant in the heat exchange pipeline and the refrigerant in the high-temperature evaporator.
Further, the air conditioner also comprises a first fan device for cold air in the low-temperature evaporator and a second fan device for cold air in the high-temperature evaporator.
Further, the heat exchange conduit is a copper pipe.
Further, one or more of the first pipeline, the second pipeline, the third pipeline, the heat exchange pipeline and the fourth pipeline is/are copper pipes.
Further, the first pipeline, the second pipeline, the third pipeline, the heat exchange pipeline and the fourth pipeline are one of an iron pipe, an aluminum pipe, a copper-plated pipe, a copper-iron composite pipe and an aluminum-copper composite pipe.
The application also discloses a refrigerator, which comprises the efficient combined type refrigerating system.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses a high-efficient combination formula refrigerating system combines through compression refrigerating system and absorption formula refrigerating system, as warm and humid independent control mode, add compression refrigerating system on absorption formula refrigerating system, the external environment air of being convenient for exchanges the condensation in compression refrigerating system, dehumidify, thereby change external environment's humidity, avoid too moist, and simultaneously, arrange compression refrigerating system's heat transfer pipe in the absorption liquid of generator and be linked together with the compressor, make the refrigerant after the compressor compression, carry out the heat exchange with the absorption liquid of generator, realize used heat utilization, and absorption formula refrigerating system then is used for temperature regulation as another independent control mode, compared with the prior art, but this high-efficient combination formula refrigerating system used heat reuse and realize temperature and humidity separation independent control.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the high-efficiency combined refrigeration system of the present invention.
The figure includes:
the system comprises an absorption refrigeration system 1, a generator 11, a second condenser 12, a second throttle valve 13, a high-temperature evaporator 14, a concentration conversion device 15, a solution heat exchanger 151, a third throttle valve 152, an absorber 153, a solution pump 154, a compression refrigeration system 2, a first condenser 21, a first throttle valve 22, a low-temperature evaporator 23, a compressor 24, a heat exchange conduit 25, a first pipeline 26, a second pipeline 27, a third pipeline 28, a fourth pipeline 29, a first electromagnetic valve 30, a second electromagnetic valve 31, a heat exchange pipeline 32, a first fan device 4 and a second fan device 5.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1:
referring to fig. 1, a high efficiency combined refrigeration system includes an absorption refrigeration system 1 and a compression refrigeration system 2. Wherein the absorption refrigeration system 1 is used for temperature regulation; the absorption refrigeration system 1 comprises a generator 11; the compression type refrigerating system 2 is used for dehumidification regulation; the compression refrigeration system 2 comprises a compressor 24 and a heat exchange conduit 25 communicated with the air outlet end of the compressor 24; the heat exchange conduit 25 is located in the absorption liquid of the generator 11 and is used for circulating the high-temperature refrigerant discharged by the compressor 24, and exchanges heat with the absorption liquid of the generator 11 to realize waste heat utilization. This high-efficient combined refrigeration system combines through compression refrigerating system 2 and absorption refrigerating system 1, as warm and humid independent control mode, add compression refrigerating system 2 on absorption refrigerating system 1, be convenient for external environment air heat exchange condensation in compression refrigerating system 2, dehumidify, thereby change the humidity of external environment, avoid too moist, and simultaneously, arrange compression refrigerating system 2's heat transfer pipe 25 in generator 11's absorption liquid and be linked together with compressor 24, make the refrigerant compress the back through compressor 24, carry out the heat exchange with generator 11's absorption liquid, realize the used heat utilization, absorption refrigerating system 1 then is used for temperature regulation as another independent control mode, compare with prior art, but this high-efficient combined refrigeration system used heat reuse and realize temperature and humidity separation independent control. In the present embodiment, the refrigerant is a water vapor refrigerant.
Preferably, the heat exchange conduit 25 is a copper pipe. The copper pipe is used as the communicated heat exchange conduit 25, so that the strength and the hardness of the heat exchange conduit 25 are improved, a good heat exchange effect is achieved, heat exchange between high-temperature refrigerating gas discharged from the compressor 24 and absorption liquid in the generator 11 is facilitated, and waste heat utilization is realized.
In the present embodiment, the compression refrigeration system 2 further includes a first condenser 21, a first throttle valve 22, and a low-temperature evaporator 23; the compressor 24, the heat exchange duct 25, the first condenser 21, the first throttle valve 22, and the low-temperature evaporator 23 form a dehumidification refrigeration cycle flow path. In this temperature and humidity independent control mode, when dehumidification regulation is performed, high-temperature and high-pressure refrigerant gas discharged from the compressor 24 firstly releases heat through the heat exchange conduit 25, heat exchange is performed, so that absorption liquid in the generator 11 is heated, a high-temperature heat source is provided for the absorption refrigeration system 1, at this time, the refrigerant comes out of the generator 11, the temperature is reduced for the first time, then the refrigerant passes through the first condenser 21, the first throttle valve 22 and the low-temperature evaporator 23, and performs heat exchange with air of the external environment in the low-temperature evaporator 23, so that the air of the external environment performs heat exchange condensation in the low-temperature evaporator 23, and a dehumidification effect is achieved, thereby the humidity of the external environment is changed, over-humidity is avoided, and finally the refrigerant gas entering the low-temperature evaporator 23 returns to the compressor 24, and the dehumidification regulation of the compression refrigeration system 2 is completed.
The absorption refrigeration system 1 further includes a second condenser 12, a second throttle valve 13, a high-temperature evaporator 14, and a concentration conversion device 15; the gas outlet end of the generator 11, the second condenser 12, the second throttle valve 13, the high-temperature evaporator 14 and the concentration conversion device 15 are communicated in sequence; the generator 11 is in fluid communication with the concentration conversion device 15 and is used to effect absorption liquid concentration differential adjustment. When the temperature is adjusted in the absorption refrigeration system 1, heat exchange is performed between the absorption liquid of the generator 11 and the high-temperature refrigeration gas discharged from the compressor 24 to provide a high-temperature heat source for the absorption refrigeration system 1, the refrigerant is evaporated to the second condenser 12 to be condensed, and enters the high-temperature evaporator 14 to perform heat exchange with the air of the external environment after being depressurized and cooled by the second throttle valve 13 to obtain cold air, and the refrigerant with waste heat discharged from the high-temperature evaporator 14 finally enters the heat absorption conversion system. In this embodiment, the absorption liquid in the generator 11 is lithium bromide and the refrigerant is water vapor refrigerant. The high temperature evaporator 14 is an evaporator with a relatively high temperature, and is mainly used for adjusting the temperature of the external environment, so as to play a role in refrigerating the external environment. After the refrigerant entering the high-temperature evaporator 14 exchanges heat with the external environment, the refrigerant flows back to the concentration conversion device 15, is absorbed by the absorption liquid in the concentration conversion device 15, so that the absorption liquid is diluted, and is combined with the concentration of the absorption liquid in the generator 11 to adjust the concentration difference, so that the refrigerant water circularly flows, and the conversion and utilization between the water and the water vapor are realized.
In the present embodiment, the concentration conversion apparatus 15 includes a solution heat exchanger 151, a third throttle valve 152, an absorber 153, and a solution pump 154. Wherein, the solution heat exchanger 151 is communicated with the liquid outlet end of the generator 11; a third throttle valve 152 is in communication with the solution heat exchanger 151; the liquid inlet end of the absorber 153 is communicated with the third throttling valve 152; the air inlet end of the absorber 153 is communicated with the high-temperature evaporator 14; a solution pump 154 is communicated with the liquid outlet end of the absorber 153 and communicated with the solution heat exchanger 151; the solution heat exchanger 151 is connected at its inlet end to the solution pump 154. While the concentration of the absorption liquid in the generator 11 is increased as the refrigerant is evaporated, and the absorption liquid passes through the solution heat exchanger 151 and the third throttle 152 before entering the absorber 153, the absorption liquid in the absorber 153 continuously absorbs the refrigerant discharged from the high temperature evaporator 14. After the absorber 153 absorbs the refrigerant, the concentration of the absorption liquid in the absorber 153 is reduced, and at this time, the absorption liquid is boosted by the solution pump 154 and is sent to the generator 11, and the exhaust waste heat of the compressor 24 is continuously absorbed, so as to provide a high-temperature heat source for the absorption refrigeration system 1, and thus the cycle is completed. The absorber 153 absorbs the refrigerant flowing back from the high temperature evaporator 14, so that the absorption liquid is diluted, and then the concentration difference is adjusted by combining with the concentration of the absorption liquid in the generator 11, so that the refrigerant water is promoted to circulate, and the conversion and utilization between the water and the water vapor are realized.
The high-efficiency combined type refrigerating system further includes a first fan unit 4 located in the low-temperature evaporator 23 and for blowing cool air in the low-temperature evaporator 23, and a second fan unit 5 located in the high-temperature evaporator 14 and for blowing cool air in the high-temperature evaporator 14. In the two sets of systems of the compression refrigeration system 2 and the absorption refrigeration system 1, cold air blown to the low-temperature evaporator 23 by the first fan device 4 and cold air blown to the high-temperature evaporator 14 by the second fan device 5 are firstly mixed for the first time and then blown to a human body, so that discomfort caused by the fact that the high-temperature evaporator 14 and the low-temperature evaporator 23 are blown to the human body at the same time can be avoided; and the refrigerant discharged from the high temperature evaporator 14 with waste heat finally enters the concentration conversion device 15.
Example 2:
in this embodiment, the high-efficiency combined refrigeration system of this embodiment 2 is substantially the same as that of embodiment 1, except that the heat exchange conduit 25 is communicated with the first condenser 21 through a first pipe 26; the first condenser 21 is communicated with the first throttling valve 22 through a second pipeline 27; the compression refrigeration system 2 further comprises a third pipeline 28, a heat exchange pipeline 32, a fourth pipeline 29, a first solenoid valve 30 and a second solenoid valve 31; the first conduit 26 is in communication with a third conduit 28; the first electromagnetic valve 30 is arranged on the third pipeline 28; the third pipeline 28, the heat exchange pipeline 32 and the fourth pipeline 29 are communicated in sequence; the second electromagnetic valve 31 is arranged on the fourth pipeline 29; the fourth duct 29 communicates with the second duct 27; the heat-exchange tube 32 is located in the high-temperature evaporator 14 so that heat exchange occurs between the refrigerant in the heat-exchange tube 32 and the refrigerant in the high-temperature evaporator 14. The working mode is a self-cascade control mode, and a branch pipeline, namely a third pipeline 28 is additionally arranged on the basis of the first pipeline 26; the first electromagnetic valve 30 is communicated with the third pipeline 28, so that the refrigerant is divided, one path of the refrigerant enters the first condenser 21, and the other path of the refrigerant enters the high-temperature evaporator 14 for heat exchange; after the heat exchange is finished, the second electromagnetic valve 31 is opened to be communicated with the fourth pipeline 29, the refrigerant after the heat exchange and the refrigerant after passing through the first condenser 21 are jointly converged and enter the first throttling valve 22 and jointly enter the low-temperature evaporator 23 for pure temperature adjustment, the refrigerant is reasonably recycled, and the refrigerating capacity is improved. This mode can increase the degree of subcooling of the compression refrigeration system 2.
In the present embodiment, one or more of the first pipe 26, the second pipe 27, the third pipe 28, the heat exchange pipe 31, and the fourth pipe 29 is a copper pipe. The communication between the structures of the high-efficiency combined refrigeration system is preferably realized through copper pipes. And one or more of the first tube 26, the second tube 27, the third tube 28, the heat exchange tube 32 and the fourth tube 29 are made of copper tube. The copper pipe is used as a communicated pipeline, so that the strength and hardness of the pipeline are improved, and the pipeline damage caused by excessive vibration generated during the working of the high-efficiency combined refrigeration system is prevented. Of course, the communication among all the structures of the high-efficiency combined refrigerating system can also replace the copper pipe by the aluminum-copper alloy pipe, because the aluminum-copper alloy pipe has better corrosion resistance. Of course, in some embodiments, the first pipe, the second pipe, the third pipe, the heat exchange pipe, and the fourth pipe are all one of an iron pipe, an aluminum pipe, a copper-plated pipe, a copper-iron composite pipe, and an aluminum-copper composite pipe. The copper pipe is replaced by one of the iron pipe, the aluminum pipe, the copper-plated pipe, the copper-iron composite pipe and the aluminum-copper composite pipe, and the conduction of the refrigerant can be realized.
The working principle of the high-efficiency combined refrigeration system is as follows:
temperature and humidity independent control mode:
according to different application scenes, the high-efficiency combined refrigeration system implements a temperature and humidity independent control mode, and is particularly applied to the field with more accurate temperature and humidity control;
the high-efficiency combined refrigeration system implements independent control of temperature and humidity separation, firstly, a first electromagnetic valve 30 and a second electromagnetic valve 31 are closed, then, when dehumidification regulation is carried out, high-temperature and high-pressure refrigerant gas discharged from a compressor 24 firstly releases heat through a heat exchange conduit 25 to carry out heat exchange, so that absorption liquid in a generator 11 is heated, a high-temperature heat source is provided for an absorption refrigeration system 1, at the moment, the refrigerant comes out of the generator 11, the temperature is firstly reduced, then the refrigerant passes through a first condenser 21, a first throttle valve 22 and a low-temperature evaporator 23 to carry out heat exchange with air of the external environment in the low-temperature evaporator 23, the air of the external environment is convenient to carry out heat exchange condensation in the low-temperature evaporator 23, the effect of dehumidification is achieved, thereby the humidity of the external environment is changed, over-humidity is avoided, and finally, the refrigerant gas entering the low-temperature evaporator 23 returns to the compressor, the dehumidification regulation of the compression refrigeration system 2 is completed.
Meanwhile, the temperature is adjusted, heat exchange is carried out between the absorption liquid of the generator 11 and the high-temperature refrigerating gas discharged by the compressor 24, a high-temperature heat source is provided for the absorption refrigerating system 1, the refrigerant is evaporated to the second condenser 12 to be condensed, the refrigerant is subjected to pressure reduction and temperature reduction through the second throttle valve 13 and then enters the high-temperature evaporator 14 to carry out heat exchange with the air of the external environment to obtain cold air, the cold air blown into the low-temperature evaporator 23 through the first fan device 4 and the cold air blown into the high-temperature evaporator 14 through the second fan device 5 are firstly mixed and then blown to the human body, and discomfort caused by the fact that the high-temperature evaporator 14 and the low-temperature evaporator 23 are blown to the human body at the same time can be avoided; and the refrigerant discharged from the high temperature evaporator 14 with waste heat finally enters the concentration conversion device 15. While the concentration of the absorption liquid in the generator 11 is increased as the refrigerant is evaporated, and the absorption liquid passes through the solution heat exchanger 151 and the third throttle 152 before entering the absorber 153, the absorption liquid in the absorber 153 continuously absorbs the refrigerant discharged from the high temperature evaporator 14. After the absorber 153 absorbs the refrigerant, the concentration of the absorption liquid in the absorber 153 is reduced, and at this time, the absorption liquid is boosted by the solution pump 154 and is sent to the generator 11, and the exhaust waste heat of the compressor 24 is continuously absorbed, so as to provide a high-temperature heat source for the absorption refrigeration system 1, and thus the cycle is completed.
Self-cascade control mode:
the application scene of the self-cascade control mode is in the pure refrigeration field, and the absorption refrigeration system 1 can be used as the cold energy supplement of the compression refrigeration system 2, which is expressed in the aspect of improving the energy efficiency of the high-efficiency combined refrigeration system;
firstly, a first electromagnetic valve 30 and a second electromagnetic valve 31 are opened, the first electromagnetic valve 30 is communicated with a third pipeline 28, so that the refrigerant is divided, one path of the refrigerant enters a first condenser 21, and the other path of the refrigerant enters a high-temperature evaporator 14 for heat exchange; after the heat exchange is finished, the second electromagnetic valve 31 is opened to be communicated with the fourth pipeline 29, the refrigerant after the heat exchange and the refrigerant after passing through the first condenser 21 are jointly converged and enter the first throttling valve 22 and jointly enter the low-temperature evaporator 23 for pure temperature adjustment, the refrigerant is reasonably recycled, and the refrigerating capacity is improved. This mode can increase the degree of subcooling of the compression refrigeration system 2.
The application also discloses a refrigerator, which comprises the efficient combined type refrigerating system. The refrigerator is an air conditioner and can also be a low-temperature water chilling unit.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. A high efficiency combined refrigeration system comprising:
an absorption refrigeration system for temperature regulation; the absorption refrigeration system includes a generator;
a compression refrigeration system for dehumidification regulation; the compression type refrigerating system comprises a compressor and a heat exchange conduit communicated with the air outlet end of the compressor; the heat exchange conduit is located within the absorption liquid of the generator.
2. The high efficiency combined refrigeration system of claim 1 wherein the absorption refrigeration system further comprises a second condenser, a second throttling valve, a high temperature evaporator, and a concentration conversion device; the gas outlet end of the generator, the second condenser, the second throttle valve, the high-temperature evaporator and the concentration conversion device are communicated in sequence; the generator is in liquid communication with the concentration conversion device.
3. The high efficiency combined refrigeration system of claim 2 wherein the compression refrigeration system further comprises a first condenser, a first throttling valve, and a cryogenic evaporator; the compressor, the heat exchange conduit, the first condenser, the first throttle valve and the low-temperature evaporator form a refrigeration cycle flow path.
4. A high efficiency combined refrigeration system as set forth in claim 3 wherein said concentration conversion device includes:
a solution heat exchanger in communication with the outlet end of the generator;
a third throttling valve in communication with the solution heat exchanger;
the liquid inlet end of the absorber is communicated with the third throttling valve; the air inlet end of the absorber is communicated with the high-temperature evaporator;
the solution pump is communicated with the liquid outlet end of the absorber and communicated with the solution heat exchanger; and the liquid inlet end of the solution heat exchanger is communicated with the solution pump.
5. The high efficiency combined refrigeration system as set forth in claim 3 wherein said heat exchange conduit communicates with said first condenser via a first conduit; the first condenser is communicated with the first throttling valve through a second pipeline; the compression type refrigeration system also comprises a third pipeline, a heat exchange pipeline, a fourth pipeline, a first electromagnetic valve and a second electromagnetic valve; the first pipeline is communicated with the third pipeline; the first electromagnetic valve is arranged on the third pipeline; the third pipeline, the heat exchange pipeline and the fourth pipeline are communicated in sequence; the second electromagnetic valve is arranged on the fourth pipeline; the fourth pipeline is communicated with the second pipeline; the heat exchange pipeline is positioned in the high-temperature evaporator so that heat exchange occurs between the refrigerant in the heat exchange pipeline and the refrigerant in the high-temperature evaporator.
6. The high efficiency combined refrigeration system as set forth in claim 3 further including a first fan unit located in said low temperature evaporator and a second fan unit located in said high temperature evaporator for cooling air.
7. The high efficiency combined refrigeration system as set forth in claim 1 wherein said heat exchange conduit is copper tubing.
8. The high efficiency combined refrigeration system of claim 5 wherein one or more of the first, second, third, heat exchange and fourth tubes are copper tubes.
9. The high efficiency combined refrigeration system of claim 5, wherein the first, second, third, heat exchange, and fourth conduits are one of iron, aluminum, copper-clad, copper-iron, aluminum-copper composite.
10. A refrigerator comprising a high efficiency combined refrigeration system as claimed in any one of claims 1 to 9.
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| CN201921516870.9U CN210951658U (en) | 2019-09-11 | 2019-09-11 | High-efficiency combined refrigerating system and refrigerator |
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| CN110631150A (en) * | 2019-09-11 | 2019-12-31 | 珠海凌达压缩机有限公司 | High-efficiency combined refrigerating system and refrigerator |
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| CN110631150A (en) * | 2019-09-11 | 2019-12-31 | 珠海凌达压缩机有限公司 | High-efficiency combined refrigerating system and refrigerator |
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