CN115355569B - Cabinet air conditioner - Google Patents
Cabinet air conditioner Download PDFInfo
- Publication number
- CN115355569B CN115355569B CN202210871168.4A CN202210871168A CN115355569B CN 115355569 B CN115355569 B CN 115355569B CN 202210871168 A CN202210871168 A CN 202210871168A CN 115355569 B CN115355569 B CN 115355569B
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- China
- Prior art keywords
- liquid level
- water
- connecting pipe
- air conditioner
- condenser
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 239000007788 liquid Substances 0.000 claims description 43
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 238000007664 blowing Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
- F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the 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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/039—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing using water to enhance cooling, e.g. spraying onto condensers
-
- 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
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- 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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/228—Treatment of condensate, e.g. sterilising
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention provides a cabinet air conditioner, which comprises a compressor, a condenser, an evaporator and a water receiving disc arranged in the lower area of the evaporator, wherein a first connecting pipe is arranged in the water receiving disc, the first end of the first connecting pipe is communicated with an exhaust port of the compressor, and the second end of the first connecting pipe is communicated with the condenser. The water collector is arranged in the lower area of the evaporator, condensed water generated by the evaporator is converged into the water collector under the action of gravity, the first connecting pipe is arranged in the water collector and is communicated with the compressor and the condenser, high-temperature and high-pressure refrigerant is discharged from the exhaust port of the compressor, after the first connecting pipe is arranged, the condensed water in the water collector cools the high-temperature and high-pressure refrigerant for the first time, the water collector is arranged on the indoor circulating side of the cabinet air conditioner, the cooling effect of the condensed water is utilized more effectively, so that the energy efficiency of the cabinet air conditioner is improved, the structure of the first connecting pipe is simple, and the integration level is higher.
Description
Technical Field
The invention belongs to the technical field of temperature regulation, and particularly relates to a cabinet air conditioner.
Background
In recent years, with the implementation of the related policies of 'carbon reaching peak' and 'carbon neutralization' of the country, the tremendous development of 5G and the construction of 5G base stations in China, the number of macro stations and micro stations is greatly increased, and the number of macro stations and base station internal exchanges and power conversion equipment is more than that of 4G base stations and macro stations, so that the heat consumption is very huge. On day 3 and 8 of 2022, the total number of 5G base stations currently exceeds 142.5 ten thousand according to statistics of the industrial and informationized department. AAU is an important component of 5G base station, and its power consumption is 2 to 4 times that of 4G RRU, and overall, 5G base station heat dissipation is 2 to 4 times that of 4G base station. The heat dissipation of the base station consumes huge energy, so that the energy efficiency requirement on the cabinet air conditioner used by the base station is high. However, since the cabinet air conditioner is limited in size, the evaporator and the condenser are also limited in size, and thus the cabinet air conditioner cannot sufficiently exert its energy efficiency.
Disclosure of Invention
Therefore, the invention provides the cabinet air conditioner, which can solve the problem of relatively low energy efficiency of the cabinet air conditioner caused by size limitation in the prior art.
In order to solve the problems, the invention provides a cabinet air conditioner, which comprises a compressor, a condenser, an evaporator and a water receiving disc arranged in the lower area of the evaporator, wherein a first connecting pipe is arranged in the water receiving disc, the first end of the first connecting pipe is communicated with an exhaust port of the compressor, and the second end of the first connecting pipe is communicated with the condenser.
In some embodiments, the cabinet air conditioner further comprises an air flow ejector, wherein an injection port of the air flow ejector is controllably connected with the water receiving disc through a second connecting pipe, and the air flow ejector can spray condensed water in the water receiving disc to the condenser.
In some embodiments, the second connecting pipe is connected with a through hole at the bottom of the water receiving disc.
In some embodiments, a liquid level detector is arranged in the water receiving disc, the liquid level detector is used for detecting the liquid level of condensed water in the water receiving disc, a switch valve is arranged on the second connecting pipe, and the switch valve is conducted when the liquid level is higher than a first preset liquid level.
In some embodiments, when the level of the condensed water in the water pan exceeds the second preset level, the jet amount of the air flow injector is a first jet amount, and when the level of the condensed water in the water pan is higher than the first preset level and not higher than the second preset level, the jet amount of the air flow injector is a second jet amount, the first jet amount is greater than the second jet amount, and the second preset level is greater than the first preset level.
In some embodiments, the cabinet air conditioner further includes an external fan, the blowing air volume of the external fan is F1, the injection volume of the airflow injector is F2, the required air volume of the condenser is F, f=f1+f2, where F is a constant, and F1 is inversely related to F2.
In some embodiments, the first connecting tube is an S-shaped bent tube and is laid on the bottom area of the water receiving disc.
In some embodiments, the bottom region of the drip tray is a planar structure.
According to the cabinet air conditioner provided by the application, the water receiving disc is arranged in the lower area of the evaporator, so that condensed water generated by the evaporator is converged into the water receiving disc under the action of gravity, the first connecting pipe is arranged in the water receiving disc and is communicated with the compressor and the condenser, high-temperature and high-pressure refrigerant is discharged from the air outlet of the compressor, and after passing through the first connecting pipe, the condensed water in the water receiving disc cools the high-temperature and high-pressure refrigerant for the first time. In the prior art, after condensate water is led to an outdoor circulation side, the condensate water drops on a high-temperature exhaust pipe to cool the exhaust pipe, and heat exchange is generated after the condensate water is led to the outdoor circulation and is contacted with external hot air, so that the heat exchange effect between the condensate water and high-temperature refrigerants is greatly reduced.
Drawings
Fig. 1 is a schematic diagram of a cabinet air conditioner according to an embodiment of the invention;
Fig. 2 is a side view of a cabinet air conditioner according to an embodiment of the invention.
The reference numerals are expressed as:
1. a compressor; 2. a condenser; 3. an evaporator; 4. a water receiving tray; 41. a first connection pipe; 42. a second connection pipe; 421. a switch valve; 43. an air flow ejector; 44. a liquid level detector; 5. an external fan.
Detailed Description
Referring to fig. 1 to 2 in combination, according to an embodiment of the present application, there is provided a cabinet air conditioner including a compressor 1, a condenser 2, an evaporator 3, and a water tray 4 disposed in a lower region of the evaporator 3, wherein a first connection pipe 41 is disposed in the water tray 4, a first end of the first connection pipe 41 is communicated with an exhaust port of the compressor 1, and a second end of the first connection pipe 41 is communicated with the condenser 2. The water collector 4 is arranged in the lower area of the evaporator 3, so that condensed water generated by the evaporator 3 is converged into the water collector 4 under the action of gravity, the water collector 4 is internally provided with the first connecting pipe 41 and is communicated with the exhaust port of the compressor 1 and the condenser 2, high-temperature and high-pressure refrigerant is discharged from the exhaust port of the compressor 1, and after passing through the first connecting pipe 41, the condensed water in the water collector 4 cools the high-temperature and high-pressure refrigerant for the first time. In the prior art, after condensate water is led to the outdoor circulation side, the condensate water drops on the high-temperature exhaust pipe to cool the exhaust pipe, and heat exchange is generated after the condensate water is led to the outdoor circulation and is contacted with external hot air, so that the loss of the cooling capacity of the condensate water is caused, and the heat exchange effect between the condensate water and high-temperature and high-pressure refrigerants is greatly reduced. In the prior art, the independent water tank structure is arranged on the outdoor circulation side to complicate the whole structure of the air conditioner, and under the condition that the size of the cabinet air conditioner is limited, the water tank has no installation position, so that the service environment of the cabinet air conditioner is severely limited.
In some embodiments, the cabinet air conditioner further includes an air flow ejector 43, wherein an injection port of the air flow ejector 43 is controllably connected with the water pan 4 through the second connection pipe 42, and the air flow ejector 43 can inject condensed water in the water pan 4 to the condenser 2. The condensed water is led to the air flow ejector 43 through the second connecting pipe 42, and the air flow ejector 43 ejects the condensed water and the air gas-liquid mixture to the condenser 2 together to form cooling treatment on the condenser 2, so that the heat exchange efficiency of the condenser 2 can be improved, the condensed water is utilized twice, the utilization rate of the condensed water can be improved, and meanwhile, the energy efficiency of the cabinet air conditioner is improved.
Specifically, the air flow injector comprises an air flow nozzle and an air pump, the air flow nozzle is provided with an air outlet, an air inlet and an injection port, the injection port is connected with a second connecting pipe, the air inlet is connected with the air pump, the air outlet is aligned to the condenser, in the operation process, the air pump sucks air outside the chamber into the air flow nozzle, condensed water enters the air flow nozzle through the injection port, and finally, the mixture of the condensed water and the air is sprayed to the condenser 2, so that the purpose of cooling the condenser 2 is achieved.
Preferably, the air flow nozzle is a convergent-divergent nozzle, and the liquid inlet is connected near the throat of the nozzle. The velocity near the throat of the air flow nozzle is the fastest, so that the drainage effect is better.
In some embodiments, the second connection pipe 42 is connected to a through hole at the bottom of the water pan 4. The bottom area of the water receiving disc 4 is provided with a through hole and is connected with the second connecting pipe 42, so that condensed water which is fully subjected to heat exchange in the water receiving disc 4 flows out of the water receiving disc 4 along the second connecting pipe 42, and the purpose of cooling the refrigerant flowing in the first connecting pipe 41 by using the condensed water with lower temperature is achieved, and the heat exchange efficiency is improved.
In some embodiments, a liquid level detector 44 is disposed in the water pan 4, the liquid level detector 44 is used for detecting the liquid level of the condensed water in the water pan 4, an on-off valve 421 is disposed on the second connecting pipe 42, and the on-off valve 421 is turned on when the liquid level is higher than a first preset liquid level. A liquid level detector 44 is arranged in the water receiving disc and is used for detecting the liquid level of the condensed water in the water receiving disc 4, a switch valve 421 is arranged on the second connecting pipe 42, when the liquid level of the condensed water in the water receiving disc 4 exceeds a first preset liquid level, the switch valve 421 and the air flow injector 43 are opened, and when the liquid level of the condensed water is not higher than the first preset liquid level, the switch valve 421 and the air flow injector 43 are closed, so that the air flow injector 43 can automatically control the injection of the condensed water.
Specifically, the liquid level detector 44 is a pressure sensor.
In some embodiments, the jet amount of the airflow injector 43 is a first jet amount when the level of the condensed water in the water pan 4 exceeds a second preset level, and the jet amount of the airflow injector 43 is a second jet amount when the level of the condensed water in the water pan 4 is higher than the first preset level and not higher than the second preset level, the first jet amount being larger than the second jet amount, and the second preset level being larger than the first preset level. Because the condensation amount of the condensed water is affected by the humidity of the indoor air, a phenomenon that the condensation amount of the condensed water is unstable occurs. Therefore, a second preset liquid level is set at the liquid level of the condensed water in the water receiving disc 4, when the liquid level of the condensed water exceeds the second preset liquid level, the air flow injector 43 starts to inject at a high speed (i.e. a first injection amount) to quickly inject the condensed water onto the condenser 2, and when the liquid level of the condensed water is greater than the first preset liquid level and less than the second preset liquid level, the air flow injector 43 injects at a low speed (i.e. a second injection amount) to ensure that sufficient condensed water is in the water receiving disc 4 for cooling the refrigerant in the first connecting tube 41.
Specifically, the control device adjusts the air pump injection speed according to the liquid level condition to realize high-speed injection or low-speed injection.
In some embodiments, the cabinet air conditioner further includes an external fan 5, the blowing air volume of the external fan 5 is F1, the injection volume of the airflow injector 43 is F2, the required air volume of the condenser 2 is F, and f=f1+f2, where F is a constant, and F1 is inversely related to F2. In the prior art, a temperature detector is arranged at the outlet of the condenser 2, and when the temperature detector detects that the temperature at the outlet of the condenser 2 is higher than a preset temperature, the air blowing quantity F1 is increased by the external fan 5, so that the heat exchange rate is improved. The application increases the injection quantity F2 of the airflow injector 43, can reduce the blowing quantity F1 of the external fan 5 under the same condition, and can meet the cooling requirement of the condenser 2, thereby reducing the energy consumption of the external fan 5 and improving the working efficiency of the cabinet air conditioner.
Specifically, the air volume of the external fan is F1, the air volume of the air flow ejector is F2, both the air volumes are obtained by sucking air from the outside of the shell of the cabinet air conditioner to blow the condenser 2, the air volumes f1+f2=f are constant, namely, when the air volume of the external fan 5 is large, the ejection speed of the air flow ejector 43 can be adjusted to be small, otherwise, when the air volume of the external fan 5 is small, the ejection speed of the air flow ejector 43 can be adjusted to be large; in addition, the F2 is subjected to positive correlation characteristics of the water level (namely, the F2 is increased when the water level exceeds a second preset liquid level and the F2 is reduced when the water level is larger than a first preset liquid level and smaller than the second preset liquid level), and then the F1 air quantity is regulated stably according to the temperature of the refrigerant at the outlet of the condenser 2.
In some embodiments, the first connecting pipe 41 is an S-shaped bent pipe, and is laid on the bottom area of the water pan 4. The first connecting pipe 41 is in an S-shaped structure and is tiled in the bottom area of the water receiving disc 4, so that the heat exchange area can be increased, and the heat exchange efficiency can be improved.
In some embodiments, the bottom area of the drip tray 4 is a planar structure. By adopting the water receiving disc with the flat bottom structure, the condensed water in the water receiving disc 4 can be effectively utilized, and the phenomenon that condensed water caused by the abnormal structure is accumulated in the bottom area and then discharged is avoided, so that sufficient heat exchange cannot be carried out to waste the cooling capacity of the condensed water.
Those skilled in the art will readily appreciate that the advantageous features of the various aspects described above may be freely combined and stacked without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
1. The cabinet air conditioner comprises a compressor (1), a condenser (2) and an evaporator (3), and is characterized by further comprising a water receiving disc (4) arranged in the lower area of the evaporator (3), wherein a first connecting pipe (41) is arranged in the water receiving disc (4), the first end of the first connecting pipe (41) is communicated with an exhaust port of the compressor (1), and the second end of the first connecting pipe (41) is communicated with the condenser (2); the condenser also comprises an air flow ejector (43), wherein an injection port of the air flow ejector (43) is controllably connected with the water receiving disc (4) through a second connecting pipe (42), and the air flow ejector (43) can eject condensed water in the water receiving disc (4) to the condenser (2); when the liquid level of the condensed water in the water receiving disc (4) exceeds a second preset liquid level, the injection quantity of the airflow injector (43) is a first injection quantity, and when the liquid level of the condensed water in the water receiving disc (4) is higher than a first preset liquid level and not higher than the second preset liquid level, the injection quantity of the airflow injector (43) is a second injection quantity, wherein the first injection quantity is larger than the second injection quantity, and the second preset liquid level is larger than the first preset liquid level; the air conditioner further comprises an outer fan (5), the air blowing rate of the outer fan (5) is F1, the injection rate of the air flow injector (43) is F2, the required air rate of the condenser (2) is F, F=F1+F2, wherein F is a constant, and F1 and F2 are inversely related.
2. The cabinet air conditioner according to claim 1, wherein the second connection pipe (42) is connected to a through hole at the bottom of the water pan (4).
3. The cabinet air conditioner according to claim 1, wherein a liquid level detector (44) is arranged in the water receiving disc (4), the liquid level detector (44) is used for detecting the liquid level of condensed water in the water receiving disc (4), a switch valve (421) is arranged on the second connecting pipe (42), and the switch valve (421) is conducted when the liquid level is higher than a first preset liquid level.
4. The cabinet air conditioner according to claim 1, wherein the first connecting pipe (41) is an S-shaped bent pipe and is tiled in a bottom area of the water receiving tray (4).
5. The cabinet air conditioner according to claim 4, wherein the bottom area of the water pan (4) is a planar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210871168.4A CN115355569B (en) | 2022-07-22 | 2022-07-22 | Cabinet air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210871168.4A CN115355569B (en) | 2022-07-22 | 2022-07-22 | Cabinet air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115355569A CN115355569A (en) | 2022-11-18 |
| CN115355569B true CN115355569B (en) | 2024-07-02 |
Family
ID=84031384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210871168.4A Active CN115355569B (en) | 2022-07-22 | 2022-07-22 | Cabinet air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN115355569B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117500242B (en) * | 2023-11-20 | 2024-07-09 | 联达(广东)信息科技股份有限公司 | Cabinet radiator and control method thereof |
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| CN112524706A (en) * | 2020-12-08 | 2021-03-19 | 四川斯普信信息技术有限公司 | Control system and method for noise reduction and precooling of air-cooled air conditioner external unit and application |
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| KR200204576Y1 (en) * | 2000-07-13 | 2000-12-01 | 주식회사쿨텍 | Air-conditioner |
| JP4214829B2 (en) * | 2003-04-28 | 2009-01-28 | 株式会社富士通ゼネラル | Air conditioner |
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| CN207065761U (en) * | 2017-05-27 | 2018-03-02 | 广州市华德工业有限公司 | A kind of evaporation cooling type cold water unit with heat recovery function |
| JP6733764B2 (en) * | 2018-06-29 | 2020-08-05 | ダイキン工業株式会社 | Outdoor air conditioner |
| CN113874665A (en) * | 2018-12-20 | 2021-12-31 | 北狄空气应对加拿大公司 | Dry mode and wet mode control of evaporative coolers |
| CN110529933A (en) * | 2019-09-29 | 2019-12-03 | 广东绿戈环保科技股份有限公司 | A kind of no heat discharging mobile air conditioner |
| CN111141159B (en) * | 2020-01-15 | 2024-10-01 | 广东帅盾科技有限公司 | Reflux steam nozzle |
| GB2595739A (en) * | 2020-06-06 | 2021-12-08 | Elsarrag Esam | All in one: air conditioning, energy recovery, and water production device |
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| CN110145809A (en) * | 2019-06-10 | 2019-08-20 | 唐根林 | Safe ultra-silent air-conditioning |
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| Publication number | Publication date |
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| CN115355569A (en) | 2022-11-18 |
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