CN105910218A - Dehumidification fresh air handling unit with parallel connection of multiple condensers and air regulation method - Google Patents

Dehumidification fresh air handling unit with parallel connection of multiple condensers and air regulation method Download PDF

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Publication number
CN105910218A
CN105910218A CN201610380651.7A CN201610380651A CN105910218A CN 105910218 A CN105910218 A CN 105910218A CN 201610380651 A CN201610380651 A CN 201610380651A CN 105910218 A CN105910218 A CN 105910218A
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China
Prior art keywords
heat exchanger
air
indoor
opened
valve
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Granted
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CN201610380651.7A
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Chinese (zh)
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CN105910218B (en
Inventor
张国华
许亚兵
彭强强
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Shanghai green building Polytron Technologies Inc
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Jiangsu Huiju Construction Technology Co Ltd
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Priority to CN201610380651.7A priority Critical patent/CN105910218B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F3/147Air-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 with both heat and humidity transfer between supplied and exhausted air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B6/00Compression machines, plants or systems, with several condenser circuits
    • F25B6/02Compression machines, plants or systems, with several condenser circuits arranged in parallel

Abstract

The invention provides a dehumidification fresh air handling unit with parallel connection of multiple condensers and an air regulation method, and the dehumidification fresh air handling unit comprises an air supply channel, an exhaust channel and an outdoor unit, wherein a fresh air door, a first heat exchanger, a reheater and a supply fan are arranged in the air supply channel; a second heat exchanger and an exhaust fan are arranged in the exhaust channel; an auxiliary heat exchanger which is connected in parallel with the second heat exchanger and the reheater is arranged in the outdoor unit; and an air supply bypass valve is arranged between the air supply channel and the exhaust channel. According to the dehumidification fresh air handling unit, during refrigeration, the second heat exchanger is used as a condenser, and a refrigerant is condensed by utilizing indoor exhaust; when heating is carried out at low temperature, an inner circulation mode is started, and the outdoor unit can be opened to rapidly raise the indoor environmental temperature; and under an outer circulation mode, the second heat exchanger is used as an evaporator, and the refrigerant absorbs heat produced by indoor exhaust and is evaporated, so that the evaporation pressure of a heating system and the heating capacity of the unit are improved, the power consumption of the unit is lowered, and the risk that the unit frosts is also prevented.

Description

The dehumidification fresh air group of a kind of many condensers parallel connection and air conditioning method
Technical field
The present invention relates to air regulation and technical field of energy utilization, the dehumidifying that a kind of many condensers are in parallel Fresh air handling units and air conditioning method.
Background technology
In the prior art, the most air conditioning unit condensation heat up to 1.15~1.3 times of refrigerating capacity, Substantial amounts of condensation heat can be directly discharged into air, and only rely on outdoor high temperature air and carry out cold to it Solidifying, not only condensation effect is bad, and the distributing and ambient temperature is raised of these heats, Causing serious environmental thermal pollution, this partial heat can lose again in vain simultaneously, causes bigger energy Source is wasted.If the condensation heat of air conditioning unit releasing being recycled, and utilize indoor exhaust wind temperature Relatively low in summer, that winter is higher feature, as the main Cooling and Heat Source of unit, not only can subtract Few condensation heat pollution on the environment, but also be a kind of conservation measures turned waste into wealth.
Condensation heat is utilized and mainly carries out the new wind after cooling and dehumidifying by the new blower fan of conventional dehumidification Reheating, this has had certain recycling to a certain extent, but still has had most cold condensation heat Solidifying hot type, in outdoor air, relies on outdoor air-cooled condenser to take away this partial heat, additionally, in system During heat, owing to outdoor temperature is the lowest, tend not to meet the demand heated, the feelings of frosting often occur Condition.To this end, some scholar is by air draft side disposed within for outdoor air-cooled condenser, time in the winter time, utilize The air draft of indoor higher temperature, as the thermal source of unit, solves the drawback that Winter heat supply is not enough, but Bringing a new problem, i.e. when summer, refrigerating capacity is difficult to again meet requirement, only by indoor exhaust wind It is again far from being enough as low-temperature receiver.
Further, traditional dehumidification fresh air is when heating, it is impossible to quickly have indoor temperature The intensification of effect.
To this end, need the appearance of a kind of novel dehumidifier badly, with the problem solving above-mentioned existence.
Summary of the invention
It is an object of the invention to provide a kind of many condensers dehumidification fresh air group in parallel and air conditioning method, Not only can improve refrigerating capacity or heating capacity, the energy consumption of reduction unit of unit, avoid temperature Risk, it is also possible to realize indoor being rapidly heated when heating.
The technical scheme that the present invention provides is as follows:
The dehumidification fresh air group that a kind of many condensers are in parallel, including:
The air-supply passage of outdoor wind, the indoor air exhaust passage of wind, off-premises station;
At described air-supply passage, the flow direction along air is sequentially provided with: new wind air door, have concurrently condensation and The First Heat Exchanger of vaporization function, reheater, pressure fan;
At described air exhaust passage, the flow direction along air is sequentially provided with: have condensation and vaporization function concurrently Second heat exchanger, exhaust blower;
In described off-premises station, arranging a supplementary heat exchanger having condensation and vaporization function concurrently, described auxiliary is changed Hot device is connected in parallel with described second heat exchanger and described reheater;
Between described air-supply passage and described air exhaust passage, and close to the position setting of described new wind air door Wind bypass valve once;
Under cooling condition, described new wind door opening, the closedown of described return air bypass valve, described first heat exchange Device is made vaporizer and is used, and described second heat exchanger and described supplementary heat exchanger are all made condenser and used;Described In air-supply passage, cooled dehumidifying after the outdoor distinguished and admirable described First Heat Exchanger through using as vaporizer, after Flow through after described reheater is heated and send into indoor;In described air exhaust passage, indoor distinguished and admirable through as condensation Heat up after described second heat exchanger that device uses and discharge indoor;Wherein, described supplementary heat exchanger is to described Two heat exchangers carry out auxiliary condensation;
Under heating condition, when indoor environment temperature is less than preset temperature, circulation pattern in starting: described New wind air door is closed, and described return air bypass valve is opened, and described exhaust blower cuts out, and described First Heat Exchanger is made cold Condenser uses, and described supplementary heat exchanger is made vaporizer and used, and described second heat exchanger and described reheater all close Close;In described air-supply passage, the return air of return air bypass valve entrance air-supply passage flow through and make as condenser Described First Heat Exchanger after heat up and be admitted to indoor;In described air exhaust passage, indoor wind is through described Return air bypass valve enters in described air-supply passage;Wherein, the described auxiliary used as vaporizer in outdoor is changed Cold-producing medium heat absorption evaporation in hot device;
Under heating condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern: described New wind door opening, the closedown of described return air bypass valve, the unlatching of described exhaust blower, described First Heat Exchanger is made cold Condenser uses, and described second heat exchanger is made vaporizer and used, and described supplementary heat exchanger and described reheater all close Close;In described air-supply passage, heat up after the outdoor distinguished and admirable described First Heat Exchanger through using as condenser And it is admitted to indoor;In described air exhaust passage, indoor distinguished and admirable described second changing through using as vaporizer Lower the temperature after hot device and discharge indoor, the cold-producing medium heat absorption evaporation in described second heat exchanger.
Preferably, arranging a wet-film humidifying module at described air-supply passage further, it is in cooling condition and system Close under the described interior circulation pattern of thermal condition, open under the described outer circulation pattern of heating condition;
Under the described outer circulation pattern of heating condition, outdoor distinguished and admirable after described First Heat Exchanger, pass through Indoor are sent into after described wet-film humidifying module is humidified.
Preferably, the porch of described air-supply passage arranges a powered air-purifying net, outdoor wind or described in follow Indoor under ring mode are distinguished and admirable after described powered air-purifying net, pass through described First Heat Exchanger.
Preferably, the porch of described air exhaust passage arranges an air draft drainage screen, and indoor wind leads to from described air draft After the entrance in road flows into, further flow through described air draft drainage screen.
Preferably, described second heat exchanger connects one for controlling the master solenoid that its path opens and closes; Described supplementary heat exchanger connects one for controlling the pilot solenoid valve that its path opens and closes;Described reheater Connect one for controlling the thermoelectrical magnetic valve again that its path opens and closes;
Under cooling condition, described master solenoid, described pilot solenoid valve, described thermoelectrical magnetic valve are more all opened, Described second heat exchanger, described supplementary heat exchanger, the path of described reheater are all opened;
Under the interior circulation pattern of heating condition, described master solenoid and described reheating closed electromagnetic valve, described Pilot solenoid valve is opened, described second heat exchanger and the path blockade of described reheater, described supplementary heat exchanger Path open;
Under the outer circulation pattern of heating condition, described master solenoid is opened, described pilot solenoid valve and described Reheating closed electromagnetic valve, the path of described second heat exchanger opens, described supplementary heat exchanger and described reheater Path blockade.
Preferably, the input of described reheater connects a check valve, is used for controlling cold-producing medium from described reheating The input of device flows to outfan.
Preferably, the input of described First Heat Exchanger is provided with total electric expansion valve;
The outfan of described second heat exchanger is provided with main electric expansion valve;
The outfan of described supplementary heat exchanger is provided with auxiliary electron expansion valve;
The input of described reheater is provided with reheating electric expansion valve;
Under cooling condition, described total electric expansion valve is opened and is passed through described in its size extent control opened The degree of superheat of First Heat Exchanger;Its size extent control institute opened is opened and passed through to described main electric expansion valve State the degree of supercooling of the second heat exchanger;Described auxiliary electron expansion valve standard-sized sheet;Described reheating electric expansion valve is opened And by the amount of heat again of reheater described in its size extent control opened;
Under the interior circulation pattern of heating condition, described total electric expansion valve standard-sized sheet;Described main electric expansion valve Close;Supplementary heat exchanger described in its size extent control opened is opened and passed through to described auxiliary electron expansion valve The degree of superheat;Described reheating electric expansion valve is closed;
Under the outer circulation pattern of heating condition, described total electric expansion valve standard-sized sheet;Described main electric expansion valve Open and pass through the degree of superheat of the second heat exchanger described in its size extent control opened;Described auxiliary electron is swollen Swollen valve cuts out;Described reheating electric expansion valve is closed.
Present invention also offers a kind of air conditioning method, it applies the dehumidifying that many condensers as the aforementioned are in parallel Fresh air handling units, described air conditioning method includes:
Under cooling condition, it is cooled after the outdoor distinguished and admirable described First Heat Exchanger through using as vaporizer and removes Wet, after flow through described reheater heated after send into indoor;Indoor distinguished and admirable described in use as condenser Heat up after second heat exchanger and discharge indoor;Wherein, described second heat exchanger is carried out by described supplementary heat exchanger Auxiliary condensation;
Under heating condition, when indoor environment temperature is less than preset temperature, circulation pattern in starting: by returning Wind bypass valve enters the return air of air-supply passage and flows through intensification after the described First Heat Exchanger used as condenser And it is admitted to indoor;Indoor wind is in described return air bypass valve enters described air-supply passage;Wherein, in outdoor Absorb heat as the cold-producing medium in the described supplementary heat exchanger that vaporizer uses and evaporate;
Under heating condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern: outdoor Heat up after the distinguished and admirable described First Heat Exchanger through using as condenser and be admitted to indoor;Indoor distinguished and admirable through making For lowering the temperature after described second heat exchanger that vaporizer uses and discharging indoor, the refrigeration in described second heat exchanger Agent heat absorption evaporation.
Preferably, under the outer circulation pattern of heating condition, outdoor wind heats up through described First Heat Exchanger, then It is admitted to indoor after carrying out further adding wet process.
Dehumidification fresh air group that the many condensers provided by the present invention are in parallel and air conditioning method, it is possible to band Next following beneficial effect:
1, the present invention is during cooling in summer pattern uses, and outdoor new wind is in air-supply passage, through filtering Afterwards by the First Heat Exchanger cooling and dehumidifying used as vaporizer, reach required moisture content values, then It is heated to wind pushing temperature by reheater;Indoor exhaust wind is in air exhaust passage, by using as condenser The second heat exchanger (the second heat exchanger uses as main condenser herein) and take away condensation heat, air themperature Raising, in discharge chamber, wherein, supplementary heat exchanger uses as auxiliary condenser, carries out the second heat exchanger Auxiliary condensation, meanwhile, the energy of the Cryogenic air discharged in high temperature refrigerant absorption chamber, condensed, by Low compared with outdoor temperature in indoor exhaust wind temperature, therefore reduce the condensing pressure of refrigeration system, thus reduce machine The power consumption of group.
Present invention heating mode in the winter time use during, (1) when indoor environment temperature less than preset temperature time, Close new wind air door, open return air bypass valve, connect air-supply passage and air exhaust passage, circulation pattern in starting: Open First Heat Exchanger and supplementary heat exchanger, close the second heat exchanger and reheater, by return air in air-supply passage Bypass valve enter air-supply passage return air through as condenser First Heat Exchanger heat up laggard enter indoor, and Wind in air exhaust passage enters air-supply passage through return air bypass valve, it is achieved interior circulation.Due under interior circulation pattern And the new wind in outdoor being not introduced into low temperature, thus can be rapidly heated when circulation.(2) indoor environment temperature is worked as When reaching preset temperature, open new wind air door, close return air bypass valve, start outer circulation pattern.Outdoor wind Heat up after flowing through the described First Heat Exchanger used as condenser in air-supply passage and be admitted to indoor;Room Endogenous wind is lowered the temperature after flowing through described second heat exchanger used as vaporizer in air exhaust passage and discharges indoor. And the heat of exhaust airflow in low-temperature refrigerant absorption chamber, evaporated, owing to indoor exhaust wind temperature is more outdoor Temperature is high, therefore improves the evaporating pressure of heating, improves the heating capacity of unit, reduces unit Power consumption also avoids the risk of unit frosting.
2, the present invention utilizes the air draft of indoor lower temperature to condense high temperature refrigerant when refrigeration, fall The low condensation temperature of unit, is the most only the sensible heat portion of energy that make use of indoor exhaust wind;And when refrigeration, Indoor the second heat exchanger (as main condenser) and outdoor supplementary heat exchanger are applied in combination, it is ensured that machine The leaving air temp of group;And when heating, unit can switch between interior circulation and outer circulation pattern, interior Indoor temperature can be improved by circulation fast and effectively;And outside under circulation pattern, the row of indoor higher temperature Wind, as thermal source, improves the evaporating temperature of unit, as in the second heat exchanger absorption chamber that vaporizer uses The heat of air draft is evaporated, and owing to the dew point temperature of indoor exhaust wind is higher, and evaporating temperature is relative to air draft Dew point temperature is relatively low, therefore has condensed water to separate out at evaporator surface, and now reclaim is not only indoor exhaust wind Sensible heat portion of energy, also reclaimed the latent heat portion of energy of indoor exhaust wind simultaneously.Thus, can make full use of The energy of indoor exhaust wind, saves the energy.
3, the present invention is under the outer circulation pattern of heating condition, outdoor wind warp again after First Heat Exchanger heats up Cross wet film humidification module, after making air humidity promote, meet indoor humidity requirement further.
4, the present invention is under cooling condition, and its size journey opened is opened and passed through to described total electric expansion valve Degree controls the degree of superheat of described First Heat Exchanger;Its size opened is opened and passed through to described main electric expansion valve The degree of supercooling of the second heat exchanger described in extent control;Described auxiliary electron expansion valve standard-sized sheet;Described thermoelectron again The amount of heat again of reheater described in its size extent control opened is opened and passed through to expansion valve;
Under the interior circulation pattern of heating condition, described total electric expansion valve standard-sized sheet;Described main electric expansion valve Close;Supplementary heat exchanger described in its size extent control opened is opened and passed through to described auxiliary electron expansion valve The degree of superheat;Described reheating electric expansion valve is closed;
Under the outer circulation pattern of heating condition, described total electric expansion valve standard-sized sheet;Described main electric expansion valve Open and pass through the degree of superheat of the second heat exchanger described in its size extent control opened;Described auxiliary electron is swollen Swollen valve cuts out;Described reheating electric expansion valve is closed.
Accompanying drawing explanation
Below by the way of the most understandable, accompanying drawings preferred implementation, to a kind of many condensers Dehumidification fresh air group in parallel and above-mentioned characteristic, technical characteristic, advantage and the realization side thereof of air conditioning method Formula is further described.
Fig. 1 is the schematic diagram of a kind of embodiment of the dehumidification fresh air group of the present invention many condensers parallel connection.
Drawing reference numeral illustrates:
A, air-supply passage;B, air exhaust passage;C, off-premises station;1, compressor;2, the second heat exchanger; 3, supplementary heat exchanger;4, reheater;5, First Heat Exchanger;6, wet-film humidifying module;7, total electronics Expansion valve;8, boss's expansion valve;9, auxiliary electron expansion valve;10, reheating electric expansion valve;11, main Electromagnetic valve;12, pilot solenoid valve;13, thermoelectrical magnetic valve again;14, check valve;15, four-way change-over valve; 16, powered air-purifying net;17, air draft drainage screen;18, return air bypass valve;19, pressure fan;20, air draft Machine;21, new wind air door.
Detailed description of the invention
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, will compare attached below The detailed description of the invention of the figure explanation present invention.It should be evident that the accompanying drawing in describing below is only the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawing can also be obtained according to these accompanying drawings, and obtain other embodiment.
For making simplified form, only schematically show part related to the present invention in each figure, they are also Do not represent its practical structures as product.It addition, so that simplified form readily appreciates, have in some figure There are the parts of identical structure or function, only symbolically depict one of them, or only marked therein One.In this article, " one " not only represents " only this ", it is also possible to represent the situation of " more than one ".
In the embodiment one of the dehumidification fresh air group of the present invention many condensers parallel connection, with reference to Fig. 1, dehumidifying is new Blower fan group includes: the air-supply passage A of outdoor wind, indoor the air exhaust passage B of wind, off-premises station C.Wherein, Air-supply passage is used for sending into outdoor new wind, and air exhaust passage is used for discharging indoor exhaust wind.At air-supply passage A, Flow direction along wind direction is sequentially provided with: new wind air door 21, have condensation and the First Heat Exchanger of vaporization function concurrently 5, for new for outdoor wind is sent into indoor pressure fan 19.At air exhaust passage B, along the flowing side of air To being sequentially provided with: have condensation and the second heat exchanger 2 of vaporization function concurrently and for by outside indoor wind discharge chamber Exhaust blower 20;In off-premises station C, a supplementary heat exchanger 3 having condensation and vaporization function concurrently is set, described Supplementary heat exchanger 3 is connected with described second heat exchanger 2.Simultaneously between air-supply passage A and air exhaust passage B, And the position of described new wind air door 21 is provided with a return air bypass valve 18, and bypassed by this return air Valve 18 realizes recycling a part of indoor exhaust wind in air exhaust passage B.
The present embodiment is under cooling condition, and new wind air door 21 is opened, and return air bypass valve 18 cuts out, and first changes Hot device 5 is made vaporizer and is used, and the second heat exchanger 2 and supplementary heat exchanger 3 are all made condenser and used, wherein, Second heat exchanger 2 is main condenser, and supplementary heat exchanger 3 is auxiliary condenser;In air-supply passage A, room Exogenous wind is cooled dehumidifying after flowing through the First Heat Exchanger 5 used as vaporizer, after flow through reheater 4 and added Indoor are sent into after heat;In air exhaust passage B, indoor distinguished and admirable the second heat exchanger 2 through using as condenser Rear intensification also discharges indoor;Wherein, supplementary heat exchanger 3 carries out auxiliary condensation to the second heat exchanger 2.Wherein, The energy of the Cryogenic air discharged in high temperature refrigerant absorption chamber, is condensed, due to indoor exhaust wind temperature relatively Outdoor temperature is low, significantly reduces the condensing pressure of refrigeration system, thus reduces the power consumption of unit.
Under heating condition, (1) when indoor environment temperature less than preset temperature time, start in circulation pattern: New wind air door 21 is closed, and return air bypass valve 18 is opened, and exhaust blower 20 cuts out, and First Heat Exchanger 5 is made cold Condenser uses, and supplementary heat exchanger 3 is made vaporizer and used, and the second heat exchanger 2 and reheater 4 are turned off;? In air-supply passage A, return air bypass valve the return air entering air-supply passage flows through first used as condenser Heat up after heat exchanger 5 and be admitted to indoor;In air exhaust passage B, indoor wind enters through return air bypass valve 18 Enter in air-supply passage A;Wherein, the cold-producing medium in the supplementary heat exchanger 3 that outdoor uses as vaporizer is inhaled Thermal evaporation.(2) and when indoor environment temperature reaches preset temperature, outer circulation pattern is started: new wind air door 21 open, and return air bypass valve 18 cuts out, and exhaust blower 20 is opened, and First Heat Exchanger 5 is made condenser and used, Second heat exchanger 2 is made vaporizer and is used, and supplementary heat exchanger 3 and reheater 4 are turned off;At air-supply passage A In, heat up after the outdoor distinguished and admirable First Heat Exchanger 5 through using as condenser and be admitted to indoor;In air draft In passage B, lower the temperature after indoor distinguished and admirable the second heat exchanger 2 through using as vaporizer and discharge indoor, the Cold-producing medium heat absorption evaporation in two heat exchangers 2.
Interior circulation pattern in the present embodiment can when low temperature the entrance of new wind outside close chamber, it is to avoid outdoor The cold consumption that new wind causes with indoor wind cold-hot counteraction, it is possible to fast and effectively indoor temperature is improved.
Wherein it should be noted that the cold-producing medium input compressor 1 of low-temp low-pressure, compressor 1 it is carried out After compression, through four-way change-over valve 15, the cold-producing medium of High Temperature High Pressure is exported, provide power for kind of refrigeration cycle, from And realize compression, condensation (heat release), the kind of refrigeration cycle of throttle, evaporate (heat absorption).
In above-described embodiment one, it is preferable that with reference to Fig. 1, a wet-film humidifying is set at air-supply passage A Module, 6, this wet-film humidifying module 6 is closed under the described interior circulation pattern of cooling condition and heating condition, Open under the outer circulation pattern of heating condition.Under described outer circulation pattern, outdoor distinguished and admirable through the first heat exchange After device 5 (making condenser to use), pass through wet-film humidifying module 6, after making air humidity promote, enter one Step meets indoor humidity requirement, is finally sent into indoor by pressure fan 19.
In above-described embodiment one, it is preferable that with reference to Fig. 1, arrange one in the porch of air-supply passage A and send Wind drainage screen 16, make the indoor under outdoor wind or described interior circulation pattern distinguished and admirable after powered air-purifying net 16 again Through heat and wet treatment, send into indoor, can the effective impurity in filter chamber's exogenous wind.
In above-described embodiment one, it is preferable that with reference to Fig. 1, one row is set in the porch of air exhaust passage B Wind drainage screen 17, indoor wind, after the entrance of air exhaust passage B flows into, further flows through air draft drainage screen 17 Be then exhausted from after filtration outdoor or again with, can the effective impurity in filter chamber's endogenous wind, it is to avoid cause secondary dirty Dye.
In above-described embodiment one, it is preferable that with reference to Fig. 1, the second heat exchanger 2 connects one for controlling it The master solenoid 11 that path opens and closes;Supplementary heat exchanger 3 connects one and beats on an off for controlling its path The pilot solenoid valve 12 closed;Reheater 4 connects one for controlling the thermoelectrical magnetic valve again that its path opens and closes 13;Under cooling condition, master solenoid 11, pilot solenoid valve 12, reheating electromagnetic valve 13 are all opened, the Two heat exchangers 2, supplementary heat exchanger 3, the path of reheater 4 are all opened;Interior cyclic module at heating condition Under formula, master solenoid 11 and reheating electromagnetic valve 13 are closed, and pilot solenoid valve 12 is opened, the second heat exchanger 2 With the path blockade of reheater 4, the path of supplementary heat exchanger 3 is opened;Outer circulation pattern at heating condition Under, master solenoid 11 is opened, and pilot solenoid valve 12 and reheating electromagnetic valve 13 are closed, the second heat exchanger 2 Path open, supplementary heat exchanger 3 and the path blockade of reheater 4.
In above-described embodiment one, it is preferable that with reference to Fig. 1, reheating, the input of 4 connects a check valve 14, Outfan is flowed to from the input of reheater 4 for controlling cold-producing medium.
In above-described embodiment one, it is preferable that with reference to Fig. 1, the input of First Heat Exchanger 5 is provided with total electricity Sub-expansion valve 7;The outfan of the second heat exchanger 2 is provided with main electric expansion valve 8;Supplementary heat exchanger 3 defeated Go out end and be provided with auxiliary electron expansion valve 9;The input of reheater 4 is provided with reheating electric expansion valve 10.In system Under cold operating mode, its size extent control First Heat Exchanger 5 opened is opened and passed through to total electric expansion valve 7 The degree of superheat;The mistake of its size extent control the second heat exchanger 2 opened is opened and passed through to main electric expansion valve 8 Cold degree;Auxiliary electron expansion valve 9 standard-sized sheet;Its size opened is opened and passed through to reheating electric expansion valve 10 The amount of heat again of extent control reheater 4.Under the interior circulation pattern of heating condition, total electric expansion valve 7 standard-sized sheets;Main electric expansion valve 8 is closed;Its size journey opened is opened and passed through to auxiliary electron expansion valve 9 Degree controls the degree of superheat of supplementary heat exchanger 3;Reheating electric expansion valve 4 is closed.Outer circulation at heating condition Under pattern, total electric expansion valve 7 standard-sized sheet;Its size degree opened is opened and passed through to main electric expansion valve 8 Control the degree of superheat of the second heat exchanger 2;Auxiliary electron expansion valve 9 cuts out;Reheating electric expansion valve 10 closes Close.
Present invention also offers a kind of air conditioning method, it applies the dehumidifying that many condensers as the aforementioned are in parallel Fresh air handling units.
In the embodiment one of the method for air of the present invention regulation, its method includes: under cooling condition, room Exogenous wind is cooled dehumidifying after flowing through the First Heat Exchanger used as vaporizer, after flow through reheater heated after Send into indoor;Heat up after indoor distinguished and admirable the second heat exchanger through using as condenser and discharge indoor;Wherein, Supplementary heat exchanger carries out auxiliary condensation to the second heat exchanger;Under heating condition, when indoor environment temperature is less than During preset temperature, circulation pattern in starting: the return air being entered air-supply passage by return air bypass valve flows through as cold Heat up after the First Heat Exchanger that condenser uses and be admitted to indoor;It is logical that indoor wind enters air-supply through return air bypass valve In road;Wherein, the heat absorption of the cold-producing medium in the supplementary heat exchanger that outdoor uses as vaporizer evaporation;In system Under thermal condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern: outdoor distinguished and admirable through making For heating up after the First Heat Exchanger that condenser uses and being admitted to indoor;Indoor distinguished and admirable through using as vaporizer The second heat exchanger after lower the temperature and discharge indoor, the cold-producing medium heat absorption evaporation in the second heat exchanger.
On the basis of the embodiment one of the method for air regulation, it is preferable that in heating condition outer circulation pattern Under, the outdoor wind First Heat Exchanger through using as vaporizer heats up, and further carries out adding wet process, It is made after meeting indoor humidity requirement, to be admitted to indoor.
It should be noted that, above-described embodiment all can independent assortment as required.The above is only this Bright preferred implementation, it is noted that for those skilled in the art, Without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improve and profit Decorations also should be regarded as protection scope of the present invention.

Claims (9)

1. the dehumidification fresh air group that condenser more than a kind is in parallel, it is characterised in that including:
The air-supply passage of outdoor wind, the indoor air exhaust passage of wind, off-premises station;
At described air-supply passage, the flow direction along air is sequentially provided with: new wind air door, have condensation concurrently With the First Heat Exchanger of vaporization function, reheater, pressure fan;
At described air exhaust passage, the flow direction along air is sequentially provided with: have condensation and vaporization function concurrently The second heat exchanger, exhaust blower;
In described off-premises station, a supplementary heat exchanger having condensation and vaporization function concurrently, described auxiliary are set Heat exchanger is connected in parallel with described second heat exchanger and described reheater;
Between described air-supply passage and described air exhaust passage, and set close to the position of described new wind air door It is equipped with a return air bypass valve;
Under cooling condition, described new wind door opening, the closedown of described return air bypass valve, described first changes Hot device is made vaporizer and is used, and described second heat exchanger and described supplementary heat exchanger are all made condenser and used;? In described air-supply passage, it is cooled after the outdoor distinguished and admirable described First Heat Exchanger through using as vaporizer and removes Wet, after flow through described reheater heated after send into indoor;In described air exhaust passage, indoor distinguished and admirable warp As heating up after described second heat exchanger that condenser uses and discharging indoor;Wherein, described auxiliary heat-exchanging Device carries out auxiliary condensation to described second heat exchanger;
Under heating condition, when indoor environment temperature is less than preset temperature, circulation pattern in starting: institute Stating new wind air door to close, described return air bypass valve is opened, and described exhaust blower cuts out, described First Heat Exchanger Making condenser to use, described supplementary heat exchanger is made vaporizer and is used, described second heat exchanger and described reheating Device is turned off;In described air-supply passage, return air bypass valve the return air entering air-supply passage flows through conduct Heat up after the described First Heat Exchanger that condenser uses and be admitted to indoor;In described air exhaust passage, room Endogenous wind is in described return air bypass valve enters described air-supply passage;Wherein, use as vaporizer in outdoor Described supplementary heat exchanger in cold-producing medium heat absorption evaporation;
Under heating condition, when indoor environment temperature reaches preset temperature, startup outer circulation pattern: institute Stating new wind door opening, described return air bypass valve cuts out, and described exhaust blower is opened, described First Heat Exchanger Making condenser to use, described second heat exchanger is made vaporizer and is used, described supplementary heat exchanger and described reheating Device is turned off;In described air-supply passage, outdoor distinguished and admirable described first heat exchange through using as condenser Heat up after device and be admitted to indoor;In described air exhaust passage, indoor distinguished and admirable through using as vaporizer Lower the temperature after described second heat exchanger and discharge indoor, the cold-producing medium heat absorption evaporation in described second heat exchanger.
The dehumidification fresh air group that many condensers the most according to claim 1 are in parallel, it is characterised in that:
Arranging a wet-film humidifying module at described air-supply passage further, it is at cooling condition and heating condition Described interior circulation pattern under close, under the described outer circulation pattern of heating condition open;
Under the described outer circulation pattern of heating condition, outdoor distinguished and admirable after described First Heat Exchanger, then flow Indoor are sent into after described wet-film humidifying module is humidified.
The dehumidification fresh air group that many condensers the most according to claim 1 are in parallel, it is characterised in that:
The porch of described air-supply passage arranges a powered air-purifying net, outdoor wind or described interior circulation pattern Under indoor distinguished and admirable after described powered air-purifying net, pass through described First Heat Exchanger.
The dehumidification fresh air group that many condensers the most according to claim 1 are in parallel, it is characterised in that:
The porch of described air exhaust passage arranges an air draft drainage screen, indoor wind entering from described air exhaust passage After mouth flows into, further flow through described air draft drainage screen.
The dehumidification fresh air group that many condensers the most according to claim 1 are in parallel, it is characterised in that:
Described second heat exchanger connects one for controlling the master solenoid that its path opens and closes;Described auxiliary Heat exchanger is helped to connect one for controlling the pilot solenoid valve that its path opens and closes;Described reheater connects One for controlling the thermoelectrical magnetic valve again that its path opens and closes;
Under cooling condition, described master solenoid, described pilot solenoid valve, described thermoelectrical magnetic valve are more all opened Opening, described second heat exchanger, described supplementary heat exchanger, the path of described reheater are all opened;
Under the interior circulation pattern of heating condition, described master solenoid and described reheating closed electromagnetic valve, institute Stating pilot solenoid valve to open, described second heat exchanger and the path blockade of described reheater, described auxiliary is changed The path of hot device is opened;
Under the outer circulation pattern of heating condition, described master solenoid is opened, described pilot solenoid valve and institute Stating reheating closed electromagnetic valve, the path of described second heat exchanger is opened, described supplementary heat exchanger and described again The path blockade of hot device.
The dehumidification fresh air group that many condensers the most according to claim 1 are in parallel, it is characterised in that:
The input of described reheater connects a check valve, for controlling defeated from described reheater of cold-producing medium Enter end and flow to outfan.
7., according to the dehumidification fresh air group that the arbitrary described many condensers of claim 1-6 are in parallel, its feature exists In:
The input of described First Heat Exchanger is provided with total electric expansion valve;
The outfan of described second heat exchanger is provided with main electric expansion valve;
The outfan of described supplementary heat exchanger is provided with auxiliary electron expansion valve;
The input of described reheater is provided with reheating electric expansion valve;
Under cooling condition, its size extent control institute opened is opened and passed through to described total electric expansion valve State the degree of superheat of First Heat Exchanger;Its size degree control opened is opened and passed through to described main electric expansion valve Make the degree of supercooling of described second heat exchanger;Described auxiliary electron expansion valve standard-sized sheet;Described reheating electronic expansion The amount of heat again of reheater described in its size extent control opened is opened and passed through to valve;
Under the interior circulation pattern of heating condition, described total electric expansion valve standard-sized sheet;Described main electronic expansion Valve cuts out;Described auxiliary electron expansion valve is opened and is passed through to assist described in its size extent control opened and changes The degree of superheat of hot device;Described reheating electric expansion valve is closed;
Under the outer circulation pattern of heating condition, described total electric expansion valve standard-sized sheet;Described main electronic expansion The degree of superheat of the second heat exchanger described in its size extent control opened is opened and passed through to valve;Described auxiliary electricity Sub-expansion valve cuts out;Described reheating electric expansion valve is closed.
8. an air conditioning method, it is characterised in that the application many condensations as described in claim 1-7 is arbitrary The dehumidification fresh air group that device is in parallel, described air conditioning method includes:
Under cooling condition, cooled after the outdoor distinguished and admirable described First Heat Exchanger through using as vaporizer Dehumidifying, after flow through described reheater heated after send into indoor;Indoor distinguished and admirable through using as condenser Heat up after described second heat exchanger and discharge indoor;Wherein, described supplementary heat exchanger is to described second heat exchange Device carries out auxiliary condensation;
Under heating condition, when indoor environment temperature is less than preset temperature, circulation pattern in starting: by Return air bypass valve enters the return air of air-supply passage and flows through liter after the described First Heat Exchanger used as condenser Temperature is also admitted to indoor;Indoor wind is in described return air bypass valve enters described air-supply passage;Wherein, exist Cold-producing medium heat absorption in the outdoor described supplementary heat exchanger used as vaporizer is evaporated;
Under heating condition, when indoor environment temperature reaches preset temperature, startup outer circulation pattern: room Exogenous wind heats up after flowing through the described First Heat Exchanger used as condenser and is admitted to indoor;Indoor distinguished and admirable Lower the temperature after described second heat exchanger used as vaporizer and discharge indoor, in described second heat exchanger Cold-producing medium heat absorption evaporation.
Air conditioning method the most according to claim 8, it is characterised in that:
Under the outer circulation pattern of heating condition, outdoor wind heats up through described First Heat Exchanger, further It is admitted to indoor after carrying out adding wet process.
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CN106546028A (en) * 2016-09-29 2017-03-29 同济大学 A kind of frost-free type cold-producing medium Two-way Cycle fresh air handining unit
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CN110940003A (en) * 2019-12-31 2020-03-31 无锡莱多鑫科技有限公司 Integral fresh air dehumidifier
CN111623494A (en) * 2020-03-10 2020-09-04 江苏慧居建筑科技有限公司 Temperature and humidity separately-controlled air conditioning system
CN112378058A (en) * 2020-11-17 2021-02-19 雷内里·弗朗切斯科 Control method of fresh air machine
CN112665082A (en) * 2020-12-23 2021-04-16 重庆海润节能技术股份有限公司 Multi-channel efficient integrated ventilator unit with heat exchange compensation function and control method
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CN106546028B (en) * 2016-09-29 2019-12-27 同济大学 Frostless type refrigerant dual cycle fresh air conditioning unit
CN106524581B (en) * 2016-09-30 2019-12-03 同济大学 A kind of frost-free type heat reclamation type fresh air heat pump unit of the double evaporating temperatures of single compressor
CN106524581A (en) * 2016-09-30 2017-03-22 同济大学 Single-compressor and dual-evaporation-temperature frostless heat recovery fresh air heat pump unit
CN106705298A (en) * 2016-12-23 2017-05-24 南通华信中央空调有限公司 Multi-connection type fresh air conditioner unit with exhaust air heat pump heat recovery function and heat exchange method
CN106705298B (en) * 2016-12-23 2022-07-01 南通华信中央空调有限公司 Multi-connected fresh air conditioning unit with exhaust heat pump heat recovery function and heat exchange method
CN107166621A (en) * 2017-05-26 2017-09-15 南京金星宇节能技术有限公司 The controllable module combined air processing device of one kind series connection
CN107218688A (en) * 2017-06-08 2017-09-29 广东绿岛风室内空气系统科技有限公司 A kind of multifunctional new wind interchanger
CN107514749A (en) * 2017-08-22 2017-12-26 广东美的暖通设备有限公司 Multi-connected machine VMC and its control method, computer-readable recording medium
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CN107763737A (en) * 2017-10-20 2018-03-06 青岛海信日立空调系统有限公司 A kind of indoor apparatus of air conditioner and air-conditioning
CN107883517A (en) * 2017-11-23 2018-04-06 中国船舶重工集团公司第七〇九研究所 A kind of fresh air conditioner all-in-one
CN107883517B (en) * 2017-11-23 2023-06-23 中国船舶重工集团公司第七一九研究所 Fresh air conditioner all-in-one machine
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