CN109506311A - A kind of double cold source humiture independence control air conditioner systems of superposition type - Google Patents
A kind of double cold source humiture independence control air conditioner systems of superposition type Download PDFInfo
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- CN109506311A CN109506311A CN201811533310.4A CN201811533310A CN109506311A CN 109506311 A CN109506311 A CN 109506311A CN 201811533310 A CN201811533310 A CN 201811533310A CN 109506311 A CN109506311 A CN 109506311A
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- temperature
- condenser
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- fan coil
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Classifications
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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
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
A kind of double cold source humiture independence control air conditioner systems of superposition type of the invention, including low-temperature refrigeration circulating device and the high-temperature refrigeration circulatory system；Low-temperature refrigeration circulating device includes sequentially connected cryogenic vaporizer, the first compressor, the first condenser and first throttle valve, and the high-temperature refrigeration circulatory system includes sequentially connected high-temperature evaporator, the second compressor, the second condenser and second throttle；First condenser connects the entrance of flow mixing device with dry-type fan coil, and the outlet of flow mixing device connects high-temperature evaporator；The one outlet of the entrance connection current divider of dry-type fan coil, another first condenser of outlet connection of current divider；The entrance of current divider connects cooling water water pump, and cooling water water pump connects high-temperature evaporator.The present invention can improve indoor air quality, realize the separately adjustable of aerial temperature and humidity by realizing that air cooling-down handles the separation with dehumidification treatments process to avoid the cold and hot phenomenon that offsets of summer existing for existing air-conditioning system.
Description
Technical field
The present invention relates to heating refrigeration apparatus field, the double cold source independent temperature-humidity control air-conditioning systems of specifically a kind of stacked
System.
Background technique
With the development and in-depth of independent temperature-humidity control theory, hot-summer and cold-winter area centralization cooling supply, heat supply energy conservation
Problem receives extensive concern both domestic and external.In damp and hot summer, current air-conditioning system generallys use traditional dehumidification by condensation
Mode (i.e. using 7 DEG C of chilled water) realizes the cooling and dehumidification treatments to air, and in order to avoid supply air temperature is too low,
Air usually needs reheating after processed, to cause the waste in very big energy utilization grade.In addition to this, dehumidification by condensation
Mode can also seriously affect indoor air quality.And for heat supply in winter, it is tired that the excessive height pressure difference of heat pump will lead to starting
Difficult, heating capacity decaying, needs phenomena such as frequently defrosting at system performance decline.The fortune of low-temperature zone in traditional double cold source water coolers
Row operating condition is still suitable with traditional air conditioner, and the coefficient of performance still has the space of promotion, and since cooling tower can not make in winter
With, therefore can not be used to heat in winter.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of double cold sources of novel superposition type
Humiture independence control air conditioner system.
Technical solution: in order to solve the above technical problems, a kind of double cold source independent temperature-humidity controls of superposition type of the invention are empty
Adjusting system, including low-temperature refrigeration circulating device and the high-temperature refrigeration circulatory system, low-temperature refrigeration circulating device and high-temperature refrigeration circulation
System connects dry-type fan coil and fresh air system；Low-temperature refrigeration circulating device includes sequentially connected cryogenic vaporizer, first
Compressor, the first condenser and first throttle valve, the high-temperature refrigeration circulatory system include sequentially connected high-temperature evaporator, second
Compressor, the second condenser and second throttle；First condenser connects the entrance of flow mixing device, mixed flow with dry-type fan coil
The outlet of device connects high-temperature evaporator；Dry-type fan coil entrance connection current divider one outlet, current divider another
The first condenser of outlet connection；The entrance of current divider connects cooling water water pump, and cooling water water pump connects high-temperature evaporator.
Wherein, fresh air system includes complete heat-recovery heat exchanger, and complete heat-recovery heat exchanger connects humidifier and fresh air duct, adds
Wet device connection dehumidifying surface air cooler；Dehumidify surface air cooler connection dry-type fan coil and cryogenic vaporizer.
Wherein, triplet commutation water valve is respectively set on the pipeline that dry-type fan coil is connect with flow mixing device and current divider, respectively
A triplet commutation water valve passes through pipeline respectively and connect with dehumidifying surface air cooler.
Wherein, be also respectively provided on each triplet commutation water valve and each pipeline for connecting of dehumidifying surface air cooler with it is low
The triplet commutation water valve of warm evaporator connection.
Wherein, dehumidifying surface air cooler connects air duct reversal valve, and air duct reversal valve connects dry-type fan coil.
The utility model has the advantages that the invention has the following advantages:
It 1,, can be to avoid by realizing the separation of air cooling-down processing and dehumidification treatments process under cooling in summer operating condition
The cold and hot phenomenon that offsets of summer existing for existing air-conditioning system had not only improved indoor air quality, but also has realized aerial temperature and humidity
It is separately adjustable, keep the Temperature and Humidity Control of air-conditioning system more simple, accurate.
2, under cooling in summer operating condition, the evaporating temperature of high-temperature refrigeration circulation had not only been improved, but also has reduced cryogenic refrigeration and follows
The condensation temperature of ring, while the efficiency of two subcycles is improved, reach significant energy saving purpose.
3, in winter under heating condition, the classification heating from low temperature to high temperature may be implemented, so that the heating efficiency of complete machine
Efficiency improves, and pressure ratio at different levels reduces, and compressor exhaust temperature is low, and what can be run is more stable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure, 1- cryogenic vaporizer；2- first throttle valve；The first condenser of 3-；The first compressor of 4-；5- high temperature evaporation
Device；6- second throttle；The second condenser of 7-；The second compressor of 8-；9- flow mixing device；10- cooling water water pump；11- current divider；
12- complete heat-recovery heat exchanger；13- humidifier；14- dehumidifying surface air cooler；15- dry-type fan coil；The air duct a1- reversal valve；a2,
A3, a4, a5- triplet commutation water valve.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
A kind of double cold source humiture independence control air conditioner systems of superposition type as shown in Figure 1, including cryogenic refrigeration cyclic system
System and the high-temperature refrigeration circulatory system, low-temperature refrigeration circulating device and high-temperature refrigeration circulatory system connection dry-type fan coil and fresh air
System；Low-temperature refrigeration circulating device includes sequentially connected cryogenic vaporizer 1, the first compressor 4, the first condenser 3 and
One throttle valve 2, the high-temperature refrigeration circulatory system include sequentially connected high-temperature evaporator 5, second compress 8 machines, the second condenser 7 with
And second throttle 6；First condenser 3 and dry-type fan coil 15 connect the entrance of flow mixing device 9, the outlet connection of flow mixing device 9
High-temperature evaporator 5；The one outlet of the entrance connection current divider 11 of dry-type fan coil 15, another outlet of current divider 11 connect
Connect the first condenser 3；The entrance of current divider 11 connects cooling water water pump 10, and cooling water water pump 10 connects high-temperature evaporator 5.
Fresh air system includes complete heat-recovery heat exchanger 12, and complete heat-recovery heat exchanger 12 connects humidifier 13 and fresh air duct,
The connection dehumidifying surface air cooler 14 of humidifier 13；The surface air cooler 14 that dehumidifies connects dry-type fan coil 15 and cryogenic vaporizer 1, and dehumidifying table is cold
Device 14 is also connected with air duct reversal valve a1, air duct reversal valve a1 connection dry-type fan coil 15.Dry-type fan coil 15 and flow mixing device 9
Triplet commutation water valve a5 and a4 is respectively set on the pipeline connected with current divider 11, each triplet commutation water valve passes through pipeline respectively
It is connect with dehumidifying surface air cooler 14, each triplet commutation water valve connect on 14 each pipeline with dehumidifying surface air cooler and is also respectively provided with
Triplet commutation the water valve a2 and a3 being connect with cryogenic vaporizer 1.
As shown in Figure 1, in the use of the present invention, having following operating condition.
Under cooling in summer operating condition, refrigerant evaporation endothermic in cryogenic vaporizer 1 prepares 7 DEG C of low temperature chilled water, warp
Triplet commutation water valve a2 switching send chilled water temperature after carrying out cooling and dehumidifying to fresh air to dehumidifying surface air cooler 14 to rise to 12 DEG C,
Switch through triplet commutation water valve a3, chilled water is back to cryogenic vaporizer 1 and is cooled to complete chilled water circulation once again.
Under cooling in summer operating condition, refrigerant evaporation endothermic in high-temperature evaporator 5, the cooling water for 18 DEG C out passes through cooling
Water water pump 10 enters current divider 11 after pressurizeing and divides for two-way, and a part is sent into low-temperature condenser 3, and another part is through triplet commutation water
Valve a4 switching is sent into dry-type fan coil 15 and is cooled down to return air, after the cooling water heating that dry-type fan coil 15 flows out
Switch through triplet commutation water valve a5, mixed at flow mixing device 9 with the cooling water flowed out in the first condenser 3, enters high temperature jointly
It is cooling in evaporator 5, to complete cooling water circulation.
Under cooling in summer operating condition, outdoor fresh air cools down in complete heat-recovery heat exchanger 12 and dehumidifying surface air cooler 14 and wet down,
Indoor return air cools down in dry-type fan coil 15, and fresh air and return air are mixed into ventilation state.
In winter under heating condition, adjustment current divider 11 switches, and the low-temperature water heating that low-temperature condenser 5 is prepared all is sent
Entering high-temperature evaporator 3, low-temperature water heating, which after absorbing and cooling temperature, is back to the second condenser 7 in high-temperature evaporator 3 again, to be continued to heat,
Complete low-temperature water heating circulation.
In winter under heating condition, warm condenser 1 is prepared in triplet commutation water valve a2, a4 switching through water route
High-temperature-hot-water is all sent into dry-type fan coil 15, and temperature reduces after heating air, then triplet commutation water valve a3, a5 through water route
Switching, is back to warm condenser 1 and continues to be heated, to complete high-temperature-hot-water circulation.
In winter under heating condition, fresh air first passes through total-heat exchanger 12 and is heated humidification, then passes through isothermal humidification device 15
Humidification, switches the triplet commutation water valve a1 of fresh air channel, after fresh air feeding interior is mixed with return air, commonly through dry type blower
Coil pipe 15 is heated to ventilation state.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of double cold source humiture independence control air conditioner systems of superposition type, it is characterised in that: including low-temperature refrigeration circulating device
With the high-temperature refrigeration circulatory system, low-temperature refrigeration circulating device and the high-temperature refrigeration circulatory system connect dry-type fan coil and fresh air system
System；Low-temperature refrigeration circulating device includes sequentially connected cryogenic vaporizer, the first compressor, the first condenser and first throttle
Valve, the high-temperature refrigeration circulatory system include sequentially connected high-temperature evaporator, the second compressor, the second condenser and the second throttling
Valve；First condenser connects the entrance of flow mixing device with dry-type fan coil, and the outlet of flow mixing device connects high-temperature evaporator；Dry type wind
The one outlet of the entrance connection current divider of machine coil pipe, another first condenser of outlet connection of current divider；Current divider enters
Mouth connection cooling water water pump, cooling water water pump connect high-temperature evaporator.
2. a kind of double cold source humiture independence control air conditioner systems of superposition type according to claim 1, it is characterised in that: new
Wind system includes complete heat-recovery heat exchanger, and complete heat-recovery heat exchanger connects humidifier and fresh air duct, humidifier connection dehumidifying table
Cooler；Dehumidify surface air cooler connection dry-type fan coil and cryogenic vaporizer.
3. a kind of double cold source humiture independence control air conditioner systems of superposition type according to claim 2, it is characterised in that: dry
Triplet commutation water valve, each triplet commutation water valve point are respectively set on the pipeline that formula fan coil is connect with flow mixing device and current divider
Not Tong Guo pipeline with dehumidifying surface air cooler connect.
4. a kind of double cold source humiture independence control air conditioner systems of superposition type according to claim 3, it is characterised in that: institute
State each triplet commutation water valve and each pipeline that connect of surface air cooler that dehumidifies on be also respectively provided with and connect with cryogenic vaporizer
Triplet commutation water valve.
5. a kind of double cold source humiture independence control air conditioner systems of superposition type according to claim 2, it is characterised in that: remove
Wet surface air cooler connects air duct reversal valve, and air duct reversal valve connects dry-type fan coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533310.4A CN109506311A (en) | 2018-12-14 | 2018-12-14 | A kind of double cold source humiture independence control air conditioner systems of superposition type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533310.4A CN109506311A (en) | 2018-12-14 | 2018-12-14 | A kind of double cold source humiture independence control air conditioner systems of superposition type |
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| CN109506311A true CN109506311A (en) | 2019-03-22 |
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| CN201811533310.4A Pending CN109506311A (en) | 2018-12-14 | 2018-12-14 | A kind of double cold source humiture independence control air conditioner systems of superposition type |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805967A (en) * | 2019-10-21 | 2020-02-18 | 珠海格力电器股份有限公司 | Air conditioner with fresh air dehumidification function |
| CN112460696A (en) * | 2020-11-27 | 2021-03-09 | 同济大学 | Temperature and humidity independent control air conditioning system |
| CN113983565A (en) * | 2021-10-19 | 2022-01-28 | 中国船舶工业集团公司第七0八研究所 | Air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20190322 |
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