CN215675710U - Heat recovery type split air conditioner - Google Patents
Heat recovery type split air conditioner Download PDFInfo
- Publication number
- CN215675710U CN215675710U CN202121685013.9U CN202121685013U CN215675710U CN 215675710 U CN215675710 U CN 215675710U CN 202121685013 U CN202121685013 U CN 202121685013U CN 215675710 U CN215675710 U CN 215675710U
- Authority
- CN
- China
- Prior art keywords
- heat recovery
- heat
- storage device
- outlet
- liquid storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 66
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 claims abstract description 34
- 239000010949 copper Substances 0.000 claims abstract description 34
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 abstract description 54
- 238000005057 refrigeration Methods 0.000 abstract description 14
- 238000004781 supercooling Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model belongs to the technical field of split air conditioners, in particular to a heat recovery type split air conditioner, which comprises a heat recovery liquid storage device, wherein the top of the heat recovery liquid storage device is provided with an inlet c and an outlet d, one side surface of the heat recovery liquid storage device is provided with an inlet a, the other side surface of the heat recovery liquid storage device is provided with an outlet b, the inlet a, the outlet b, the inlet c and the outlet d of the heat recovery liquid storage device are communicated with a connecting copper pipe, a heat exchange pipe is arranged in the heat recovery liquid storage device and is U-shaped, the two ends of the heat exchange pipe are respectively communicated with the inlet c and the outlet d, according to the refrigeration principle and the refrigerant characteristics, the condensed liquid refrigeration releases heat in the heat recovery liquid storage device and exchanges heat with low-temperature low-pressure gas-liquid mixed refrigerant in the heat exchange pipe, the temperature of the high-temperature liquid refrigerant is reduced to realize supercooling, the enthalpy difference is increased, and the refrigeration capacity is improved, so that the low-temperature low-pressure gas-liquid mixed refrigerant is changed into low-temperature low-pressure refrigerant gas, and the low-temperature low-pressure refrigerant gas is sucked by the compressor to safely operate.
Description
Technical Field
The utility model belongs to the technical field of split type air conditioners, and particularly relates to a heat recovery type split type air conditioner.
Background
The refrigerant of a typical split type air conditioner circulates in a pipe. During refrigeration, the refrigerant is condensed in the outdoor side condenser, the refrigerant after the condenser is throttled by the expansion valve, the throttled refrigerant enters the indoor side evaporator to be evaporated, the evaporated refrigerant enters the outdoor side compressor to be compressed, and the compressed refrigerant enters the condenser to be condensed, so that a refrigeration cycle is completed.
The refrigerant of the general split air conditioner circulates in the pipeline without heat recovery, and has no obvious improvement effect on the cycle economy of a refrigeration system, and if the gas-liquid mixed refrigerant directly enters a compressor to be compressed during refrigeration in the existing device, the compressor can be damaged by liquid impact of the compressor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a heat recovery type split air conditioner, which has the advantages of improving the refrigerating capacity and leading the superheated gas refrigerant to enter a compressor for safe compression, and solves the problems of low economic benefit of a refrigeration cycle system and damage of the compressor by the gas-liquid mixed refrigerant.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heat recovery type split air conditioner, includes the heat recovery reservoir, the top of heat recovery reservoir is provided with entry c and export d, a side of heat recovery reservoir is provided with entry a, the another side of heat recovery reservoir is provided with export b, the entry a, export b, entry c and the export d of heat recovery reservoir all communicate and have the connection copper pipe, the inside of heat recovery reservoir is provided with the heat exchange tube, the heat exchange tube is the U-shaped, the both ends of heat exchange tube are linked together with entry c and export d respectively.
Preferably, an inlet a of the heat recovery liquid storage device is communicated with a bottom outlet of the outdoor heat-releasing condenser through a connecting copper pipe, a top outlet of the outdoor heat-releasing condenser is communicated with a top outlet of the compressor through a connecting copper pipe, and a top inlet of the compressor is communicated with an outlet d of the heat recovery liquid storage device through a connecting copper pipe.
By adopting the scheme, the refrigerant is discharged through the outlet of the compressor to be high-temperature high-pressure refrigerant gas, and the high-temperature high-pressure refrigerant gas enters the compressor for heat exchange after passing through the connecting copper pipes.
Preferably, the outlet b of the heat recovery liquid storage device is communicated with the bottom inlet of the indoor unit heat absorption evaporator through a connecting copper pipe, and the top outlet of the indoor unit heat absorption evaporator is communicated with the inlet c through a connecting copper pipe.
By adopting the scheme, the temperature of the high-temperature high-pressure liquid refrigerant after heat exchange is reduced, the supercooling of the liquid refrigerant is realized, and the high-temperature high-pressure liquid refrigerant after supercooling flows out of the outlet b and enters the indoor unit heat absorption evaporator for heat absorption and evaporation, so that the refrigeration of the indoor unit is realized.
Preferably, a first stop valve is arranged inside a connecting copper pipe communicated with the outlet b of the heat recovery liquid storage device, and a second stop valve is arranged inside a connecting copper pipe communicated with the inlet c of the heat recovery liquid storage device.
By adopting the scheme, the first stop pipe controls whether the liquid can enter the indoor unit heat absorption evaporator or not, and the second stop pipe controls whether the refrigerant can enter or not.
Preferably, a pressure-reducing and temperature-reducing electronic expansion valve is fixedly installed inside a connecting copper pipe communicated with the outlet b of the heat recovery liquid storage device, and the pressure-reducing and temperature-reducing electronic expansion valve is arranged between the first stop valve and the outlet b.
By adopting the scheme, the electronic expansion valve for reducing pressure and temperature throttles the supercooled high-temperature high-pressure liquid refrigerant into low-temperature low-pressure refrigerant liquid.
Preferably, the first stop valve and the second stop valve are connected with the connecting copper pipe through threads.
Through adopting above-mentioned scheme, threaded connection makes first stop valve and the removable dismantlement of second stop valve.
(III) advantageous effects
Compared with the prior art, the utility model provides a heat recovery type split air conditioner, which has the following beneficial effects:
this heat recovery type split air conditioner, according to refrigeration principle and refrigerant characteristic, the liquid refrigeration after the condensation is exothermic and heat exchange with the hot low temperature low pressure gas-liquid mixture refrigerant of heat exchange tube heat in the heat recovery reservoir, the high temperature liquid refrigeration temperature reduces and realizes the subcooling, increase the enthalpy difference, improve the refrigerating output, the low temperature low pressure gas-liquid mixture refrigerant that comes from among the indoor set heat absorption evaporimeter absorbs heat through the heat exchange tube with the high temperature high pressure refrigerant heat exchange in, make low temperature low pressure gas-liquid mixture refrigerant become low temperature low pressure refrigerant gas, by the compressor suction safe operation, through this scheme, retrieve the unnecessary heat of split air conditioner, economy and energy saving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the present invention;
in the figure:
1. a compressor; 2. connecting a copper pipe; 3. an outdoor heat-releasing condenser; 4. a heat recovery reservoir; 5. a heat exchange pipe; 6. an electronic expansion valve for reducing pressure and temperature; 7. a first shut-off valve; 8. the indoor unit heat absorption evaporator; 9. a second shut-off valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The utility model provides a heat recovery type split air conditioner, includes heat recovery reservoir 4, the top of heat recovery reservoir 4 is provided with entry c and export d, a side of heat recovery reservoir 4 is provided with entry a, the another side of heat recovery reservoir 4 is provided with export b, the entry a, export b, entry c and the export d of heat recovery reservoir 4 all communicate and have connection copper pipe 2, the inside of heat recovery reservoir 4 is provided with heat exchange tube 5, heat exchange tube 5 is the U-shaped, the both ends of heat exchange tube 5 are linked together with entry c and export d respectively.
An inlet a of the heat recovery liquid storage device 4 is communicated with a bottom outlet of the outdoor heat-releasing condenser 3 through a connecting copper pipe 2, a top outlet of the outdoor heat-releasing condenser 3 is communicated with a top outlet of the compressor 1 through the connecting copper pipe 2, and a top inlet of the compressor 1 is communicated with an outlet d of the heat recovery liquid storage device 4 through the connecting copper pipe 2; the outlet b of the heat recovery liquid storage device 4 is communicated with the bottom inlet of an indoor unit heat absorption evaporator 8 through a connecting copper pipe 2, and the top outlet of the indoor unit heat absorption evaporator 8 is communicated with the inlet c of the heat recovery liquid storage device 4 through the connecting copper pipe 2; a first stop valve 7 is arranged inside the connecting copper pipe 2 communicated with the outlet b of the heat recovery liquid storage device 4, and a second stop valve 9 is arranged inside the connecting copper pipe 2 communicated with the inlet c of the heat recovery liquid storage device 4; a pressure-reducing and temperature-reducing electronic expansion valve 6 is fixedly arranged inside the connecting copper pipe 2 communicated with the outlet b of the heat recovery liquid storage device 4, and the pressure-reducing and temperature-reducing electronic expansion valve 6 is arranged between the first stop valve 7 and the outlet b; the first stop valve 7 and the second stop valve 9 are connected with the connecting copper pipe 2 through threads.
Referring to fig. 1-2, the refrigerant of the heat recovery type split air conditioner is discharged as high-temperature high-pressure refrigerant gas through the outlet of the compressor 1, the high-temperature high-pressure refrigerant gas enters the outdoor heat-releasing condenser 3 through the plurality of connecting copper pipes 2 to release heat and condense, the condensed high-temperature high-pressure refrigerant liquid flows out of the outdoor heat-releasing condenser 3, the high-temperature high-pressure refrigerant liquid from the outlet of the outdoor heat-releasing condenser 3 enters the inlet a of the heat recovery liquid storage device 4 to exchange heat and release heat with the heat exchange pipe 5 in the heat recovery liquid storage device 4, the temperature of the high-temperature high-pressure liquid refrigerant after heat exchange is reduced to realize the supercooling of the liquid refrigerant, the supercooled high-temperature high-pressure liquid refrigerant flows out of the outlet b of the heat recovery liquid storage device 4 and is throttled into low-temperature low-pressure refrigerant liquid by the pressure reduction and temperature reduction electronic expansion valve 6, and the throttled low-temperature low-pressure refrigerant liquid enters the inlet of the indoor heat-absorption evaporator 8 through the stop valve to absorb heat and evaporate, the refrigeration of the indoor unit is realized; the low-temperature low-pressure refrigerant liquid is evaporated into low-temperature low-pressure gas-liquid mixed refrigerant in the indoor unit heat absorption evaporator 8, the low-temperature low-pressure gas-liquid mixed refrigerant flows out from the outlet of the indoor unit heat absorption evaporator 8, the low-temperature low-pressure gas-liquid mixed refrigerant from the outlet of the indoor unit heat absorption evaporator 8 passes through the stop valve, the low-temperature low-pressure gas-liquid mixed refrigerant from the stop valve enters the heat exchange tube 5 through the inlet c of the heat recovery liquid storage device 4, the low-temperature low-pressure gas-liquid mixed refrigerant in the heat exchange tube 5 exchanges heat with the high-temperature high-pressure liquid refrigerant in the heat recovery liquid storage device 4, the low-temperature low-pressure gas-liquid mixed refrigerant in the heat exchange tube 5 further absorbs heat and evaporates into low-temperature low-pressure gas refrigerant, the low-temperature low-pressure gas refrigerant in the heat exchange tube 5 is compressed by the compressor 1 through the outlet d of the heat recovery liquid storage device 4, and the low-temperature low-pressure refrigerant gas is compressed into high-temperature high-pressure refrigerant gas by the compressor 1, the compressed high-temperature and high-pressure refrigerant gas enters the outdoor heat-releasing condenser 3 to release heat and condense, and a refrigeration cycle is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A heat recovery type split air conditioner includes a heat recovery reservoir (4), characterized in that: the top of heat recovery reservoir (4) is provided with entry c and export d, a side of heat recovery reservoir (4) is provided with entry a, the another side of heat recovery reservoir (4) is provided with export b, entry a, export b, entry c and the export d of heat recovery reservoir (4) all communicate and have connection copper pipe (2), the inside of heat recovery reservoir (4) is provided with heat exchange tube (5), heat exchange tube (5) are the U-shaped, the both ends of heat exchange tube (5) are linked together with entry c and export d respectively.
2. A heat recovery type split type air conditioner according to claim 1, wherein: the inlet a of the heat recovery liquid storage device (4) is communicated with the bottom outlet of the outdoor heat-releasing condenser (3) through a connecting copper pipe (2), the top outlet of the outdoor heat-releasing condenser (3) is communicated with the top outlet of the compressor (1) through a connecting copper pipe (2), and the top inlet of the compressor (1) is communicated with the outlet d of the heat recovery liquid storage device (4) through a connecting copper pipe (2).
3. A heat recovery type split type air conditioner according to claim 1, wherein: the outlet b of the heat recovery liquid storage device (4) is communicated with the bottom inlet of the indoor unit heat absorption evaporator (8) through a connecting copper pipe (2), and the top outlet of the indoor unit heat absorption evaporator (8) is communicated with the inlet c of the heat recovery liquid storage device (4) through the connecting copper pipe (2).
4. A heat recovery type split type air conditioner according to claim 3, wherein: a first stop valve (7) is arranged inside a connecting copper pipe (2) communicated with an outlet b of the heat recovery liquid storage device (4), and a second stop valve (9) is arranged inside the connecting copper pipe (2) communicated with an inlet c of the heat recovery liquid storage device (4).
5. A heat recovery type split type air conditioner according to claim 4, wherein: the heat recovery device is characterized in that a pressure-reducing and temperature-reducing electronic expansion valve (6) is fixedly mounted inside a connecting copper pipe (2) communicated with an outlet b of the heat recovery liquid storage device (4), and the pressure-reducing and temperature-reducing electronic expansion valve (6) is arranged between a first stop valve (7) and the outlet b.
6. A heat recovery type split type air conditioner according to claim 4, wherein: the first stop valve (7) and the second stop valve (9) are connected with the connecting copper pipe (2) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121685013.9U CN215675710U (en) | 2021-07-23 | 2021-07-23 | Heat recovery type split air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121685013.9U CN215675710U (en) | 2021-07-23 | 2021-07-23 | Heat recovery type split air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215675710U true CN215675710U (en) | 2022-01-28 |
Family
ID=79981242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121685013.9U Active CN215675710U (en) | 2021-07-23 | 2021-07-23 | Heat recovery type split air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215675710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857696A (en) * | 2022-06-02 | 2022-08-05 | 新科环保科技有限公司 | Magnetic suspension centrifugal air conditioning system |
-
2021
- 2021-07-23 CN CN202121685013.9U patent/CN215675710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857696A (en) * | 2022-06-02 | 2022-08-05 | 新科环保科技有限公司 | Magnetic suspension centrifugal air conditioning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108759142B (en) | Special cascade air source high-temperature heat pump cooling and heating system | |
| CN107024031A (en) | A kind of three pressure high-efficiency air cooling source pumps suitable for the big temperature difference | |
| CN112413866A (en) | Condensate water recycling assembly and air conditioning system | |
| CN203605512U (en) | Air-cooling type compression condensing unit with supercooled gas-liquid separator | |
| CN212657902U (en) | Evaporative cooling centrifugal water chilling unit | |
| CN215675710U (en) | Heat recovery type split air conditioner | |
| CN217636259U (en) | Ultralow-temperature air source enhanced vapor injection system | |
| CN209763527U (en) | A low-pressure bypass device for the flash barrel of an air-source screw cold water heat pump unit | |
| CN101625176B (en) | Quasi three-stage compressed air source heat pump system | |
| CN215892823U (en) | A CO2 two-stage compression refrigeration system with intermediate refrigerant subcooling | |
| CN115574498A (en) | A heat pump EVI air conditioner with economizer capillary recooling and enthalpy increasing system | |
| CN105674375A (en) | Air source multi-stage evaporation two-stage enthalpy increasing direct heating device | |
| CN115111808A (en) | Compression injection type double-temperature heat pump system | |
| CN114111110A (en) | Heat pump system with plate for exchanging supercooling | |
| CN114909725B (en) | Efficient energy-saving multi-split system | |
| CN209541216U (en) | The direct condensation by contact cooling cycle system of three-level overlapping | |
| CN209386600U (en) | A high-efficiency air source heat pump unit suitable for wide temperature range working conditions | |
| CN220269614U (en) | Heat recoverer and air conditioning system | |
| US20110209491A1 (en) | Reversible system for recovering of heat energy by sampling and transfer of calories from one or more media into one or more other such media | |
| CN201897345U (en) | Triple condensing device for marine air conditioner | |
| CN216204433U (en) | Forced supercooling type condensing system | |
| CN215216753U (en) | Cascade refrigerating unit | |
| CN216384656U (en) | Air-cooled oil cooler | |
| CN205536061U (en) | Air source multi-stage evaporation two-stage enthalpy increasing direct heating device | |
| CN215675892U (en) | Enhanced vapor injection split air conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 501, Wujin East Avenue, Lijia Town, Wujin District, Changzhou City, Jiangsu Province, 213100 Patentee after: XINKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 213100 No.10 Gantang Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: XINKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |