CN108644941B - Heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration - Google Patents
Heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration Download PDFInfo
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- CN108644941B CN108644941B CN201810356055.4A CN201810356055A CN108644941B CN 108644941 B CN108644941 B CN 108644941B CN 201810356055 A CN201810356055 A CN 201810356055A CN 108644941 B CN108644941 B CN 108644941B
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- 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
- F24F5/0035—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 using evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
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- 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
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- 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
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- 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)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration, which comprises an indoor unit and an outdoor unit which are respectively connected through an air pipe a and an air pipe b; the indoor unit and the outdoor unit are also connected by a refrigerant pipe. The indoor unit comprises an indoor unit shell, wherein an air supply outlet and an air inlet are symmetrically arranged on two sides of the indoor unit shell, and a heat exchanger and an evaporator are sequentially arranged in the air inlet according to the air flowing direction; the evaporator is connected with the compressor, the condenser and the expansion valve in sequence through refrigerant pipelines to form a closed pipeline. The heat recovery type split air conditioner ensures the quality of indoor air, reduces the energy consumption of the traditional split air conditioner, meets various requirements, and is energy-saving and environment-friendly; the indoor unit and the outdoor unit adopt an integrated structure, are convenient to install, apply and popularize, and have applicability to civil and industrial buildings in areas with different humidity.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to a heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration.
Background
Nowadays, the air pollution problem is serious, new trend system receives people's attention more and more, traditional split type air conditioner has obtained universal application, but this kind of air conditioner is leading with the indoor circulating air of processing, indoor lack the new trend, the air quality is difficult to satisfy the requirement, this is in the past in the long run, harmfully healthy, so when using, the new trend requirement that personnel was satisfied to the mode of generally taking windowing to ventilate, but direct introduction new trend, the load of indoor set has not only been increased, make the air conditioner energy consumption rise, and also can introduce contaminated air, still can't solve indoor air quality problem. In addition, because the condenser is located outdoors for a long time, dust is easily accumulated on the condenser fins, heat exchange of the condenser is adversely affected, and in summer, in high-temperature weather, the outdoor temperature is too high, the heat dissipation of the condenser is not smooth, high-pressure shutdown protection is easily generated on the compressor, and indoor refrigeration is not performed any more.
Disclosure of Invention
The invention aims to provide a heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration, and solves the problems that the indoor air quality of the traditional split air conditioner is low, the energy consumption is high, dust is easily accumulated on condenser fins, and the operation is easily stopped in summer.
The invention adopts the technical scheme that the heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration comprises an indoor unit and an outdoor unit which are respectively connected through an air pipe a and an air pipe b; the indoor unit and the outdoor unit are also connected by a refrigerant pipe.
The present invention is also characterized in that,
the indoor unit comprises an indoor unit shell, wherein an air supply outlet and an air inlet are symmetrically arranged on two sides of the indoor unit shell, and a heat exchanger and an evaporator are sequentially arranged in the air inlet according to the air flowing direction;
the top of the heat exchanger is connected with an air pipe a corresponding to the indoor unit shell, and the bottom of the heat exchanger is provided with an air return port a corresponding to the indoor unit shell;
an air return port b is also arranged on the indoor unit shell corresponding to the bottom between the heat exchanger and the evaporator;
the air inlet is communicated with an air pipe b.
The evaporator is sequentially connected with the compressor, the condenser and the expansion valve through refrigerant pipelines to form a closed pipeline;
the compressor, the condenser and the expansion valve are located in the outdoor unit.
An air valve is also arranged in the air pipe a.
The outdoor unit comprises an outdoor unit shell, wherein a fresh air inlet a and an air outlet a are symmetrically arranged on two sides of the lower part of the outdoor unit shell, and a medium-efficiency air filter, a fresh air preheater, a direct evaporative cooling unit and a blower are sequentially arranged in the fresh air inlet a according to the flow direction of fresh air;
the top of the direct evaporative cooling unit is also sequentially provided with a compressor, a spray cooling and dust removal unit, a condenser, an exhaust fan and an exhaust outlet from bottom to top;
and a fresh air port b and an air outlet b are respectively arranged on two sides of the outdoor unit shell corresponding to the spray cooling and dust removing unit.
The air outlet a is communicated with an air pipe b;
the air outlet b is connected with the air pipe a.
The direct evaporative cooling unit comprises a filler, a water distributor b is arranged at the top of the filler, a water tank is arranged at the bottom of the filler, and the water distributor b is connected with the water tank through a water supply pipe a.
The water supply pipe a is also provided with a water pump.
The spray cooling and dedusting unit comprises a water distributor a, and the water distributor a is communicated with the water tank sequentially through a water supply pipe b and the water supply pipe a.
The water supply pipe b is also provided with a regulating valve.
The heat recovery type split air conditioner of the invention has the beneficial effects that:
(1) the heat recovery type split air conditioner can solve the problem that the traditional split air conditioner cannot meet the indoor air quality by filtering and purifying fresh air;
(2) the heat recovery type split air conditioner precools or preheats fresh air by utilizing the cold or heat of indoor exhaust air through a heat recovery technology, so that the energy consumption of the compressor can be reduced, and the service life of the compressor can be prolonged;
(3) the heat recovery type split air conditioner realizes spray type evaporative cooling by fresh air and return air with energy recovered, and can reduce the temperature of cooling air flow of the condenser, thereby reducing the temperature and pressure of the condenser, improving the refrigeration performance, saving energy consumption, realizing high-efficiency utilization of energy, and simultaneously filtering and purifying the cooling air flow to protect the condenser;
(4) the heat recovery type split air conditioner integrates the fresh air filtering and purifying device, the condenser optimized cooling device and the outdoor unit, integrates the heat recoverer and the indoor unit, and is convenient to install, apply and popularize;
(5) the heat recovery split air conditioner of the invention integrates the blower and the outdoor unit, and the indoor unit is not provided with the fan, thus reducing the indoor noise and being beneficial to the indoor sound environment.
Drawings
Fig. 1 is a schematic structural view of a heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration according to the present invention.
In the figure, 1, a fresh air inlet a, 2, a medium-efficiency air filter, 3, a fresh air preheater, 4, a filler, 5, a water tank, 6, a water pump, 7, a blower, 8, a heat exchanger, 9, an air return inlet a, 10, an air return inlet b, 11, an evaporator, 12, a drain hole a, 13, an air supply outlet, 14, an air valve, 15, an air outlet, 16, an exhaust fan, 17, a condenser, 18, a water distributor a, 19, a fresh air inlet b, 20, a water distributor b, 21, a drain hole b, 22, a compressor, 23, an expansion valve, 24, a regulating valve, 25, an air inlet, 26, an air pipe a, 27, a refrigerant pipeline, 28, an air outlet a, 29, an air pipe b, 30, an air outlet b, 31, a water supply pipe a, 32 and a water.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration, which comprises an indoor unit and an outdoor unit which are respectively connected through an air pipe a26 and an air pipe b29 as shown in figure 1; the indoor unit and the outdoor unit are also connected by a refrigerant pipe 27. After the fresh air is cooled or heated by the outdoor unit, the fresh air is sent into the indoor unit through the air pipe b29, and then the return air after heat absorption or heat release is sent into the outdoor unit through the air pipe a26 by the indoor unit, so that the heat is recycled with the fresh air.
The indoor unit comprises an indoor unit shell, wherein an air supply outlet 13 and an air inlet 25 are symmetrically arranged on two sides of the indoor unit shell, and a heat exchanger 8 and an evaporator 11 are sequentially arranged in the air inlet 25 according to the air flowing direction; the top of the heat exchanger 8 is connected with an air pipe a26 corresponding to the indoor unit shell, and the bottom of the heat exchanger 8 is provided with an air return port a9 corresponding to the indoor unit shell; an air return opening b10 is arranged on the indoor unit shell corresponding to the bottom between the heat exchanger 8 and the evaporator 11; the air inlet 25 is communicated with an air pipe b 29. The evaporator 11 is also provided with a drain hole a 12.
The mechanical refrigeration unit is specifically as follows: the evaporator 11 is connected with the compressor 22, the condenser 17 and the expansion valve 23 in sequence through a refrigerant pipeline 27 to form a closed pipeline; the compressor 22, the condenser 17, and the expansion valve 23 are located in the outdoor unit.
An air valve 14 is also arranged in the air duct a26, and the air valve 14 adjusts the opening and closing of the air return duct.
The outdoor unit comprises an outdoor unit shell, a fresh air inlet a1 and an air outlet a28 are symmetrically arranged on two sides of the lower portion of the outdoor unit shell, and a middle-effect air filter 2, a fresh air preheater 3, a direct evaporative cooling unit and a blower 7 are sequentially arranged in the fresh air inlet a1 according to the flow direction of fresh air;
the top of the direct evaporative cooling unit is also provided with a compressor 22, a spray cooling and dedusting unit, a condenser 17, an exhaust fan 16 and an exhaust outlet 15 in sequence from bottom to top;
and a fresh air port b19 and an air outlet b30 are respectively arranged at two sides of the outdoor unit shell corresponding to the spray cooling and dust removing unit.
The air outlet a28 is communicated with an air pipe b 29; the air outlet b30 is connected with the air duct a 26.
The direct evaporative cooling unit comprises a filler 4, a water distributor b20 is arranged at the top of the filler 4, a water tank 5 is arranged at the bottom of the filler 4, and the water distributor b20 and the water tank 5 are connected through a water supply pipe a 31. The water supply pipe a31 is also provided with a water pump 6. The water pump 6 provides power to send the circulating water in the water tank 5 to the water distributor b20 through a water supply pipe a31, the water distributor b20 sprays the circulating water downwards, fresh air and the circulating water exchange heat in the filler 4, and then the circulating water falls back to the water tank 5, and the circulation is carried out.
The spray cooling and dedusting unit comprises a water distributor a18, and the water distributor a18 is communicated with the water tank 5 through a water supply pipe b32 and a water supply pipe a31 in sequence.
The water supply pipe b32 is also provided with a regulating valve 24, and the regulating valve 24 controls the opening and closing of the water distributor a 18.
The working process of the heat recovery type split air conditioner of the invention is as follows:
(1) when the external temperature is low or in winter
At this time, the indoor space is generally heated by municipal administration. And (3) opening the fresh air preheater 3, the water pump 6, the air valve 14 and the blower 7, closing the fresh air port b19, closing the mechanical refrigeration cycle, and closing doors and windows tightly.
Outdoor fresh air enters an outdoor unit under the action of a blower 7, is filtered by an intermediate-efficiency air filter 2, is preheated by a fresh air preheater 3, is humidified and purified by a direct evaporative cooling unit, absorbs heat in return air in an indoor unit through a heat exchanger 8, and is mixed with the return air and is sent into the room; the return air is mixed with the indoor air, and the energy is recovered by the heat exchanger 8, and then the return air is discharged to the outside of the room through the air valve 14, the exhaust fan 16 and the exhaust outlet 15.
(2) When in transition season with proper outdoor temperature
And (3) starting a water pump 6 and a blower 7, closing a fresh air preheater 3 and an air valve 14, closing the mechanical refrigeration cycle, and opening doors and windows.
Outdoor fresh air enters from a fresh air inlet a1, is filtered by the middle-effect air filter 2, is humidified, cooled and purified by the direct evaporative cooling unit, is sent into a room by the blower 7 through the air pipe b29, and is finally discharged by doors and windows, so that the purposes of indoor ventilation, cooling, humidification and air purification are achieved.
(3) When the external temperature is high or in summer
Closing the water distributor 20 and the air preheater 3 of the direct evaporative cooler, opening the heat exchanger 8, the mechanical refrigeration cycle, the condenser 17, the water distributor a18 and the fresh air inlet b19, and closing the door and the window.
Outdoor fresh air enters from a fresh air inlet a1, is filtered by an intermediate-efficiency air filter 2 under the action of a blower 7, enters an indoor unit, is precooled by a heat exchanger 8, is mixed with return air entering the indoor unit through a return air inlet b10, is dehumidified and cooled by an indoor unit evaporator 11, and is sent to the indoor; the return air after energy recovery by the heat exchanger 8 enters the upper part of the outdoor unit through the air valve 14 and the air pipe a26, is mixed with fresh air entering the outdoor unit through the fresh air inlet b19, is directly contacted with water mist sprayed out of the condenser 17 and the water distributor a18, generates a direct evaporative cooling process, is subjected to isenthalpic cooling, and flows through the condenser 17 of the fan after being cooled, and is finally discharged by the exhaust fan 15.
The split air conditioner realizes spray type evaporative cooling by fresh air and return air with energy recovered, and can reduce the temperature of cooling air flow of the condenser 17, thereby reducing the temperature and pressure of the condenser 17, improving the refrigeration performance, saving energy consumption, realizing high-efficiency utilization of energy, and simultaneously filtering and purifying the cooling air flow to protect the condenser 17; meanwhile, the indoor air quality is ensured, the energy consumption of the traditional split air conditioner is reduced, various requirements are met, and the energy is saved and the environment is protected; the indoor unit and the outdoor unit adopt an integrated structure, so that the installation and the application and the popularization are convenient, and the practical value is good.
Claims (4)
1. A heat recovery split air conditioner combining fresh air purification and mechanical refrigeration is characterized by comprising an indoor unit and an outdoor unit which are respectively connected through an air pipe a (26) and an air pipe b (29); the indoor unit and the outdoor unit are also connected by a refrigerant pipe (27);
the indoor unit comprises an indoor unit shell, an air supply outlet (13) and an air inlet (25) are symmetrically arranged on two sides of the indoor unit shell, and a heat exchanger (8) and an evaporator (11) are sequentially arranged in the air inlet (25) according to the air flowing direction;
the top of the heat exchanger (8) is connected with an air pipe a (26) corresponding to the indoor unit shell, and the bottom of the heat exchanger (8) is provided with an air return port a (9) corresponding to the indoor unit shell;
an air return port b (10) is also arranged on the indoor unit shell corresponding to the bottom between the heat exchanger (8) and the evaporator (11);
the air inlet (25) is communicated with an air pipe b (29);
the evaporator (11) is sequentially connected with the compressor (22), the condenser (17) and the expansion valve (23) through a refrigerant pipeline (27) to form a closed pipeline;
the compressor (22), the condenser (17) and the expansion valve (23) are all located in the outdoor unit;
the outdoor unit comprises an outdoor unit shell, a fresh air inlet a (1) and an air outlet a (28) are symmetrically arranged on two sides of the lower portion of the outdoor unit shell, and a medium-efficiency air filter (2), a fresh air preheater (3), a direct evaporative cooling unit and a blower (7) are sequentially arranged in the fresh air inlet a (1) according to the flow direction of fresh air;
the top of the direct evaporative cooling unit is also provided with a compressor (22), a spray cooling and dust removal unit, a condenser (17), an exhaust fan (16) and an exhaust outlet (15) from bottom to top in sequence;
a fresh air port b (19) and an air outlet b (30) are respectively arranged on two sides of the outdoor unit shell corresponding to the spray cooling and dust removing unit;
the direct evaporative cooling unit comprises a filler (4), a water distributor b (20) is arranged at the top of the filler (4), a water tank (5) is arranged at the bottom of the filler (4), and the water distributor b (20) is connected with the water tank (5) through a water supply pipe a (31);
an air valve (14) is also arranged in the air pipe a (26);
the air outlet a (28) is communicated with an air pipe b (29);
the air outlet b (30) is connected with the air pipe a (26).
2. The split type air conditioner of heat recovery type combining fresh air purification and mechanical refrigeration as claimed in claim 1, wherein a water pump (6) is further provided on the water supply pipe a (31).
3. The split type air conditioner of heat recovery type combining fresh air purification and mechanical refrigeration as claimed in claim 1 or 2, wherein the spray cooling and dust removing unit comprises a water distributor a (18), and the water distributor a (18) is connected to the water tank (5) sequentially through a water supply pipe b (32) and a water supply pipe a (31).
4. A split type air conditioner combining fresh air purification and mechanical refrigeration with heat recovery as claimed in claim 3, wherein the water supply pipe b (32) is further provided with a regulating valve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356055.4A CN108644941B (en) | 2018-04-19 | 2018-04-19 | Heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810356055.4A CN108644941B (en) | 2018-04-19 | 2018-04-19 | Heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration |
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| CN108644941A CN108644941A (en) | 2018-10-12 |
| CN108644941B true CN108644941B (en) | 2020-12-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177691B (en) * | 2018-10-16 | 2024-01-09 | 西安交通大学 | Electric automobile heat pump air conditioning system and control method thereof |
| CN110398012A (en) * | 2019-08-27 | 2019-11-01 | 上海盈达空调设备股份有限公司 | Combined type central air conditioner system and method |
| CN113432260A (en) * | 2021-06-26 | 2021-09-24 | 赵建川 | Multi-machine fusion healthy, safe, comfortable, space-saving and power-saving intelligent air conditioner |
| CN115751562A (en) * | 2022-12-05 | 2023-03-07 | 珠海格力电器股份有限公司 | Small-space air supply and exhaust device, air supply and exhaust control method and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208253831U (en) * | 2018-04-19 | 2018-12-18 | 西安工程大学 | In conjunction with the recovery type heat split-type air conditioner of mechanical refrigeration and evaporation cooling technique |
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| CN202675496U (en) * | 2012-04-05 | 2013-01-16 | 西安工程大学 | Jet-flow noise-elimination type evaporative cooling air conditioning unit |
| CN104566724B (en) * | 2015-01-05 | 2017-06-20 | 西安工程大学 | It is applied to the ventilation and air conditioning system of Environmental Control System of Metro |
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| CN208253831U (en) * | 2018-04-19 | 2018-12-18 | 西安工程大学 | In conjunction with the recovery type heat split-type air conditioner of mechanical refrigeration and evaporation cooling technique |
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Effective date of registration: 20201112 Address after: 710000 1106, block B, latte City, 318 Yanta South Road, Qujiang New District, Xi'an City, Shaanxi Province Applicant after: Armstrong (Xi'an) intelligent fluid technology Co., Ltd Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 19 Applicant before: XI'AN POLYTECHNIC University |
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