CN106225116B - A kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures - Google Patents
A kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures Download PDFInfo
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- CN106225116B CN106225116B CN201610807963.1A CN201610807963A CN106225116B CN 106225116 B CN106225116 B CN 106225116B CN 201610807963 A CN201610807963 A CN 201610807963A CN 106225116 B CN106225116 B CN 106225116B
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- flow regulator
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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
- 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
- F24F3/1405—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 in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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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
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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
- F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
- F24F12/003—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using a heat pump
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Gases (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures, including interior machine and outer machine two parts.Compared with outdoor air, temperature is lower with humidity, is the cold source with certain grade for the air draft of air-conditioned room.In the present invention by the way of heat pump recuperation of heat, make indoor exhaust wind under the action of exhaust fan by heat recovering heat exchanger, allow air draft condensating refrigerant, then passes through refrigeration cycle, the cooling capacity in air draft is set to be transferred at evaporator cooling fresh air, to have the function that recover energy.On the other hand, due to having used heat recovering heat exchanger, the heat exchange of refrigeration system condensation side is improved, the condensing pressure of whole system is reduced.Under the two comprehensive function, the Energy Efficiency Ratio of fresh air dehumidifier can effectively improve.
Description
Technical field
The present invention relates to a kind of fresh air dehumidifiers, more particularly, to a kind of height based on heat pump recuperation of heat and double evaporating temperatures
Imitate fresh air dehumidifier.
Background technique
In the air-conditioning system of building, often improve indoor air quality by way of introducing outdoor fresh air, but by
In outdoor fresh air humidity high fever (summer), if fresh air is directly entered interior, interior also will increase while increasing indoor humidity
Cooling load, therefore general requirement in advance dehumidifies to fresh air.
Fresh air dehumidifier undertakes indoor all humidity load and part heat load, often with indoor sensible heat processing equipment (such as spoke
Penetrate air-conditioning system) it matches.The principle of traditional fresh air dehumidifier is to reduce air themperature to dew point by evaporator refrigeration to remove
It is wet, then so that air themperature is risen to ventilation state by condenser reheating, is then fed into interior.Due to traditional fresh air dehumidifier
The evaporating temperature of group is very low, and without the cold heat amount in recycling air draft, therefore traditional fresh air dehumidifier efficiency is low, huge energy consumption.
Summary of the invention
The purpose of the present invention is to provide a kind of by the way of heat pump recuperation of heat, by increasing a heat recovery coil,
Unit condensing pressure can also be reduced while recycling heat, and generates two different evaporating temperatures using two compressors,
Fresh air sensible heat load is wherein mainly handled at high evaporating temperature, mainly handles fresh air latent heat load at low evaporating temperature, it is significant to drop
Low compressor power consumption promotes unit eer, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of be based on heat pump recuperation of heat and double evaporating temperatures
Efficient fresh air dehumidifier, including interior machine and outer machine two parts, outer machine include the first compressor, the second compressor, condenser and
Condensation fan, the first compressor, the second compressor are arranged parallel through connecting tube and condenser mutual conduction, condensation fan setting
In outside condenser.
Interior machine include heat recovering heat exchanger, recuperation of heat flow regulator, again heat exchanger, reheating flow regulator,
Condensation flow regulator, evaporator, first throttling device, second throttling device, breeze fan and exhaust fan, evaporator are
Double back pipeline heat exchanger includes circuit A and circuit B, and circuit one end A is connected with the first compressor, and the other end is led with first throttling device
Logical, circuit one end B is connected with the second compressor, and the other end is connected with second throttling device, the first throttling device, circuit A
And first be parallel to the one end of the second throttling device and the second compressor far from the circuit B after compressor series connection, first
Throttling set and second throttling device are arranged parallel to be adjusted with condensation flow regulator, recuperation of heat flow respectively by connecting tube
Device and reheating flow regulator are connected, and recuperation of heat flow regulator is connected by connecting tube and heat recovering heat exchanger one end
It connects, the heat recovering heat exchanger other end is connected with the connecting tube that the first compressor and the second compressor are connect with condenser, then hot-fluid
Quantity regulating device is connected with reheating heat exchanger one end, the reheating heat exchanger other end and the first compressor and the second compressor and condensation
The connecting tube of device connection is connected, and condensation flow regulator is connected with the condenser.
Preferably, evaporator is two individual evaporators, is connected respectively with a first compressor and a second compressor.
Preferably, heat recovering heat exchanger, condenser, reheater are Wind-cooling type condenser.
Preferably, the inlet air of heat recovering heat exchanger is the air draft in room.
Preferably, then the inlet air state of heat exchanger is through evaporator treated low temperature and low humidity air.
Preferably, the orifice size of first throttling device and second throttling device is variable, is variable cross-section throttling set, for electricity
Sub- expansion valve or heating power expansion valve.
Preferably, flow regulator, recuperation of heat flow regulator are condensed, reheating flow regulator is variable cross-section stream
Quantity regulating device is electric expansion valve.
Compared with prior art, the beneficial effects of the present invention are:
(1) compared with outdoor air, temperature is lower with humidity, has certain grade for the air draft of air-conditioned room
Cold source.In the present invention by the way of heat pump recuperation of heat, indoor exhaust wind is made to exchange heat under the action of exhaust fan by recuperation of heat
Device, allows air draft condensating refrigerant, then by refrigeration cycle, the cooling capacity in air draft is made to be transferred at evaporator cooling fresh air, thus
Have the function that recover energy.On the other hand, due to having used heat recovering heat exchanger, changing for refrigeration system condensation side is improved
Heat reduces the condensing pressure of whole system.Under the two comprehensive function, the Energy Efficiency Ratio of fresh air dehumidifier can effectively improve.
(2) there are two independent compressors for fresh air dehumidifier of the invention tool, and so as to have, there are two different evaporations
Temperature is pre-chilled fresh air using the high evaporating temperature section of evaporator, mainly removes the sensible heat load in fresh air, recycles and steams
The low evaporating temperature section for sending out device carries out depth dehumidifying to the fresh air after pre-cooling, removes the latent heat load of fresh air, and the heat of fresh air is wet
Load is separately handled, and can effectively improve systematic energy efficiency ratio.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of efficient based on heat pump recuperation of heat and double evaporating temperatures
Fresh air dehumidifier, including interior machine and outer machine two parts, outer machine include the first compressor 1, the second compressor 2, condenser 3 and condensation
Blower 12, setting passes through connecting tube 15 and 3 mutual conduction of condenser, condensation fan parallel for the first compressor 1, the second compressor 2
12 settings are in 3 outside of condenser.
Interior machine includes heat recovering heat exchanger 4, recuperation of heat flow regulator 8, reheating heat exchanger 5, reheating flow adjusting dress
Set 9, condensation flow regulator 7, evaporator 6, first throttling device 10, second throttling device 11, breeze fan 13 and air draft
Blower 14, evaporator 6 are that double back pipeline heat exchanger includes circuit A 6a and circuit B 6b, circuit one end A 6a and the first compressor 1
It is connected, the other end and first throttling device 10 are connected, and circuit one end B 6b is connected with the second compressor 2, the other end and the second section
Device 11 is flowed to be connected, first throttling device 10 and second throttling device 11 parallel setting by connecting tube 15 respectively with condensation flow
Regulating device 7, recuperation of heat flow regulator 8 and reheating flow regulator 9 are connected, and recuperation of heat flow regulator 8 passes through
Connecting tube 15 is connect with 4 one end of heat recovering heat exchanger, 4 other end of heat recovering heat exchanger and the first compressor 1 and the second compressor 2
The connecting tube 15 connecting with condenser 3 is connected, and reheating flow regulator 9 is connected with 5 one end of reheating heat exchanger, then heat exchanger
5 other ends are connected with the connecting tube 15 that the first compressor 1 and the second compressor 2 are connect with condenser 3, condense flow regulator
7 are connected with the condenser 3.
Compressor can choose two independent compressors, also can choose the compression of two individual cavities of a parallel connection
Machine, such as rolling-rotor and piston compressor.
Heat recovering heat exchanger 4, reheating heat exchanger 5, condenser 3 are Wind-cooling type condenser, and what when work passed through respectively is
Indoor air draft, through evaporator treated low temperature and low humidity air, outdoor air.
The orifice size of first throttling device 10 and second throttling device 11 is variable, as variable cross-section throttling set, is selected from
Electric expansion valve or heating power expansion valve.In the present embodiment, first throttling device 10 and second throttling device 11 are electronic expansion
Valve.
Flow regulator 7, recuperation of heat flow regulator 8 are condensed, reheating flow regulator 9 is variable cross-section flow tune
Regulating device is electric expansion valve in the present embodiment.
When based on the work of the efficient fresh air dehumidifier of heat pump recuperation of heat and double evaporating temperatures, refrigerant passes through the first compressor
1 and second compressor 2 compress after become high temperature and high pressure steam, respectively enter condenser 3 through connecting tube 15, heat recovering heat exchanger 4,
When indoor air draft passes through heat recovering heat exchanger 4, the sensible heat in air draft can be effectively recycled, so that unit eer is improved, then
Heat exchanger 5 condenses heat release, and wherein the pro rate of flow is by condensation flow regulator 7, recuperation of heat flow regulator 8,
The aperture of reheating flow regulator 9 determines, before the refrigerant being condensed merges in throttling set by connecting tube 15, then makes
Cryogen is divided into two parts, and a part is through connecting tube 15, first throttling device 10, into evaporator 6 before half point, evaporation endothermic,
Fresh air is pre-chilled, mainly removes the sensible heat load of fresh air, then through connecting tube 15, return to the first compressor 1；Another part refrigerant warp
Connecting tube 15, second throttling device 11, into 6 latter half of evaporator, evaporation endothermic dehumidifies to the fresh air depth after pre-cooling,
The latent heat load of fresh air is mainly removed, then through connecting tube 15, returns to the second compressor 2, completes entire refrigeration cycle.
Control strategy is that the revolving speed of the first compressor 1 and the second compressor 2 should be adjusted according to the refrigeration duty of evaporator 6
Section, the aperture of first throttling device 10 should ensure that 1 suction superheat of the first compressor, the aperture of second throttling device 11 should ensure that
The suction superheat of second compressor, 2 air entry.The aperture of reheating flow regulator should depend on the air-supply temperature after reheating
Degree.
All components for not showing refrigerant circulation in above-described embodiment completely, in implementation process, set in refrigerant circuit
The common refrigeration auxiliaries such as four-way reversing valve, liquid storage device, gas-liquid separator, oily separation, filter, drier are set, cannot be considered as
Substantial improvements have been carried out to the present invention, should belong to the scope of the present invention.
Above-described embodiment is not limited to single cooling system, and heat pump system is mentioned under cooling condition using technical solution of the present invention
High refrigeration performance, should belong to the scope of the present invention.
Compared with outdoor air, 0 temperature is lower with humidity for the air draft of air-conditioned room, is have certain grade cold
Source.In the present invention by the way of heat pump recuperation of heat, indoor exhaust wind is made to pass through heat recovering heat exchanger under the action of exhaust fan,
It allows air draft condensating refrigerant, then by refrigeration cycle, so that the cooling capacity in air draft is transferred at evaporator cooling fresh air, to reach
The effect to recover energy.On the other hand, due to having used heat recovering heat exchanger, the heat exchange of refrigeration system condensation side is improved, is dropped
The low condensing pressure of whole system.Under the two comprehensive function, the Energy Efficiency Ratio of fresh air dehumidifier can effectively improve.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures, including interior machine and outer machine two parts,
Be characterized in that: the outer machine includes the first compressor, the second compressor, condenser and condensation fan, first compressor, the
Two compressors are arranged parallel through connecting tube and condenser mutual conduction, and the condensation fan is arranged in outside condenser；It is described
Interior machine includes heat recovering heat exchanger, recuperation of heat flow regulator, again heat exchanger, reheating flow regulator, condensation flow
Regulating device, evaporator, first throttling device, second throttling device, breeze fan and exhaust fan, the evaporator are double back
Pipeline heat exchanger includes circuit A and circuit B, and the one end the circuit A is connected with the first compressor, and the other end is led with first throttling device
Logical, the one end the circuit B is connected with the second compressor, and the other end is connected with second throttling device, and the first throttling device is returned
The one end of the second throttling device and the second compressor far from the circuit B, institute are parallel to after road A and the series connection of the first compressor
State first throttling device and second throttling device be arranged parallel by connecting tube respectively with condensation flow regulator, recuperation of heat stream
Quantity regulating device and reheating flow regulator are connected, and the recuperation of heat flow regulator is exchanged heat by connecting tube and recuperation of heat
The connection of device one end, the connecting tube phase that the heat recovering heat exchanger other end is connect with the first compressor and the second compressor with condenser
Even, the reheating flow regulator is connected with reheating heat exchanger one end, the reheating heat exchanger other end and the first compressor
And second the connecting tube that is connect with condenser of compressor be connected, the condensation flow regulator is connected with the condenser.
2. a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures according to claim 1, special
Sign is: the evaporator is two individual evaporators, is connected respectively with a first compressor and a second compressor.
3. a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures according to claim 1, special
Sign is: the heat recovering heat exchanger, condenser, and reheater is Wind-cooling type condenser.
4. a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures according to claim 1, special
Sign is: the inlet air of the heat recovering heat exchanger is the air draft in room.
5. a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures according to claim 1, special
Sign is: the inlet air state of the heat exchanger again is through evaporator treated low temperature and low humidity air.
6. a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures according to claim 1, special
Sign is: the orifice size of the first throttling device and second throttling device is variable, is variable cross-section throttling set, is that electronics is swollen
Swollen valve or heating power expansion valve.
7. a kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures according to claim 1, special
Sign is: the condensation flow regulator, recuperation of heat flow regulator, and reheating flow regulator is variable cross-section flow tune
Regulating device is electric expansion valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610807963.1A CN106225116B (en) | 2016-09-08 | 2016-09-08 | A kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures |
| PCT/CN2017/070386 WO2018045697A1 (en) | 2016-09-08 | 2017-01-06 | High-efficient fresh air dehumidifier based on heat pump heat recovery and dual-evaporation temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610807963.1A CN106225116B (en) | 2016-09-08 | 2016-09-08 | A kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106225116A CN106225116A (en) | 2016-12-14 |
| CN106225116B true CN106225116B (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610807963.1A Active CN106225116B (en) | 2016-09-08 | 2016-09-08 | A kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures |
Country Status (2)
| Country | Link |
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| CN (1) | CN106225116B (en) |
| WO (1) | WO2018045697A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106225116B (en) * | 2016-09-08 | 2019-07-12 | 南通华信中央空调有限公司 | A kind of efficient fresh air dehumidifier based on heat pump recuperation of heat and double evaporating temperatures |
| CN109000312B (en) * | 2018-06-08 | 2020-07-28 | 同济大学 | Integral heat pump heat recovery type fresh air dehumidifier with internal circulation mode |
| CN108759329A (en) * | 2018-06-28 | 2018-11-06 | 江苏必领能源科技有限公司 | Enclosed dehumidifying water wind-heat pumps more drying chamber drying systems |
| CN109945331B (en) * | 2019-04-03 | 2023-11-24 | 合肥天鹅制冷科技有限公司 | Integrated air conditioner for plateau security |
| CN109959099B (en) * | 2019-04-22 | 2024-06-07 | 广东腾耀机电工程有限公司 | Multifunctional dehumidifying fresh air waste heat recovery hot water air conditioning device |
| CN112229001A (en) * | 2019-07-15 | 2021-01-15 | 广州芬迪环优科技有限公司 | Fresh air dehumidifier air duct system and fresh air dehumidifying method |
| CN110454878A (en) * | 2019-08-08 | 2019-11-15 | 江苏苏净集团有限公司 | A kind of energy-saving rotary wheel dehumidifier |
| CN110631150A (en) * | 2019-09-11 | 2019-12-31 | 珠海凌达压缩机有限公司 | High-efficiency combined refrigerating system and refrigerator |
| 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 |
| CN113685913B (en) * | 2021-08-02 | 2023-03-21 | 重庆海尔空调器有限公司 | Control method of fresh air conditioner |
| CN113803901A (en) * | 2021-09-06 | 2021-12-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Direct expansion type air conditioning unit and control method and device thereof |
| CN114087800B (en) * | 2021-11-22 | 2023-03-10 | 百尔制冷(无锡)有限公司 | Full-automatic heat recovery parallel unit and heat recovery method thereof |
| CN114087740B (en) * | 2021-11-24 | 2023-03-31 | 广东美的制冷设备有限公司 | Fresh air equipment, control method thereof and computer-readable storage medium |
| CN114110883B (en) * | 2021-11-24 | 2023-04-25 | 广东美的制冷设备有限公司 | New fan, control method thereof and computer readable storage medium |
| WO2023093286A1 (en) * | 2021-11-24 | 2023-06-01 | 广东美的制冷设备有限公司 | Fresh air device control method and apparatus, storage medium, and fresh air device |
| CN114087721B (en) * | 2021-11-24 | 2023-05-26 | 美的集团武汉制冷设备有限公司 | Fresh air equipment control method, device, equipment and storage medium |
| CN114234417A (en) * | 2021-12-08 | 2022-03-25 | 广东美的制冷设备有限公司 | Fresh air equipment, control method thereof and computer-readable storage medium |
| CN116007093B (en) * | 2023-03-07 | 2024-06-11 | 河南科技大学 | Solar energy storage multi-source heat pump air conditioning system and heating method |
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| CN102269466A (en) * | 2011-07-14 | 2011-12-07 | 清华大学 | Fresh air handling unit |
| CN103759468A (en) * | 2014-01-08 | 2014-04-30 | 浙江理工大学 | Heat pump system with dual-temperature heat sources |
| CN104266277A (en) * | 2014-10-21 | 2015-01-07 | 东南大学 | Heat pipe heat recovery all fresh air dehumidification air-conditioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106225116A (en) | 2016-12-14 |
| WO2018045697A1 (en) | 2018-03-15 |
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