CN105910218B - A kind of the dehumidification fresh air group and air conditioning method of more condenser parallel connections - Google Patents

A kind of the dehumidification fresh air group and air conditioning method of more condenser parallel connections Download PDF

Info

Publication number
CN105910218B
CN105910218B CN201610380651.7A CN201610380651A CN105910218B CN 105910218 B CN105910218 B CN 105910218B CN 201610380651 A CN201610380651 A CN 201610380651A CN 105910218 B CN105910218 B CN 105910218B
Authority
CN
China
Prior art keywords
air
heat exchanger
interior
condenser
valve
Prior art date
Application number
CN201610380651.7A
Other languages
Chinese (zh)
Other versions
CN105910218A (en
Inventor
张国华
许亚兵
彭强强
Original Assignee
江苏慧居建筑科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏慧居建筑科技有限公司 filed Critical 江苏慧居建筑科技有限公司
Priority to CN201610380651.7A priority Critical patent/CN105910218B/en
Publication of CN105910218A publication Critical patent/CN105910218A/en
Application granted granted Critical
Publication of CN105910218B publication Critical patent/CN105910218B/en

Links

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 also by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems also 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 also 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, plant, or systems, with several condenser circuits
    • F25B6/02Compression machines, plant, or systems, with several condenser circuits arranged in parallel

Abstract

The present invention provides a kind of the dehumidification fresh air groups and air conditioning method of more condenser parallel connections, wherein dehumidification fresh air group includes air-supply passage, air exhaust passage, outdoor unit;Fresh air air door, First Heat Exchanger, reheater, pressure fan are equipped at air-supply passage;The second heat exchanger, exhaust blower are equipped at air exhaust passage;A supplementary heat exchanger being connected in parallel with the second heat exchanger and reheater is equipped at outdoor unit, equipped with return air by-passing valve between air-supply passage and air exhaust passage.The second heat exchanger is used as condenser when the present invention is freezed, and is condensed to refrigerant using indoor exhaust wind;Heating starts interior circulation pattern in low temperature, can open outdoor unit and quickly improve indoor environment temperature;Under outer circulation pattern, the second heat exchanger is used as evaporator, the heat of refrigerant suction indoor exhaust wind, and refrigerant evaporation improves the evaporating pressure of heating system and the heating capacity of unit, reduces the power consumption of unit and avoid the risk of unit frosting.

Description

A kind of the dehumidification fresh air group and air conditioning method of more condenser parallel connections
Technical field
The present invention relates to air conditioning and technical field of energy utilization, the dehumidification fresh air of espespecially a kind of more condenser parallel connections Group and air conditioning method.
Background technology
In the prior art, the condensation heat of usual air-conditioner set is up to 1.15~1.3 times of refrigerating capacity, a large amount of condensation heat It can be directly discharged into air, and only rely on outdoor high temperature air to be condensed to it, not only condensation effect is bad, but also these Distributing and ambient temperature being increased for heat, causes serious environmental thermal pollution, while this partial heat again can be in vain It loses, causes larger energy waste.If the condensation heat that air-conditioner set is released is recycled, and utilize indoor exhaust wind Temperature is relatively low in summer, winter higher feature, as the main Cooling and Heat Source of unit, can not only reduce condensation heat to ring Pollution caused by border, but also be a kind of energy conservation measure turned waste into wealth.
The new wind turbine of conventional dehumidification to the fresh air after cooling and dehumidifying to condensation heat using mainly reheating is carried out, this is one Determine have certain recycling in degree to condensation heat, but still there is most condensation heat to be discharged in outdoor air, by room External air cooling system condenser takes away this partial heat, in addition, in heating, since outdoor temperature is very low, tends not to meet heating Often there is the case where frosting in demand.For this purpose, some scholars are by outdoor air-cooled condenser air draft side disposed within, in winter when, Using the air draft of indoor higher temperature as the heat source of unit, solve the drawback of Winter heat supply deficiency, but bring one it is new The problem of, i.e., in summer, refrigerating capacity is difficult to meet the requirements again, and it is far from being enough again only to lean on indoor exhaust wind as low-temperature receiver.
Further, traditional dehumidification fresh air can not quickly and effectively heat up to indoor temperature in heating.
For this purpose, there is an urgent need for a kind of appearance of novel dehumidifier, it is above-mentioned to solve the problems, such as.
Invention content
The object of the present invention is to provide a kind of the dehumidification fresh air groups and air conditioning method of more condenser parallel connections, not only may be used With improve unit refrigerating capacity or heating capacity, reduce unit energy consumption, avoid the risk of temperature, can also be in heating Realize indoor be rapidly heated.
Technical solution provided by the invention is as follows:
A kind of dehumidification fresh air group of more condenser parallel connections, including:
Air exhaust passage, the outdoor unit of the air-supply passage of outdoor wind, indoor wind;
At the air-supply passage, it is equipped with successively along the flow direction of air:Fresh air air door has both condensation and vaporization function First Heat Exchanger, reheater, pressure fan;
At the air exhaust passage, it is equipped with successively along the flow direction of air:Have both condensation and vaporization function second is changed Hot device, exhaust blower;
In the outdoor unit, the supplementary heat exchanger that setting one has both condensation and vaporization function, the supplementary heat exchanger with Second heat exchanger and the reheater are connected in parallel;
Between the air-supply passage and the air exhaust passage, and once close to the setting of the position of the fresh air air door Wind by-passing valve;
Under cooling condition, the fresh air air door is opened, and the return air by-passing valve is closed, and the First Heat Exchanger evaporates Device uses, and second heat exchanger and the supplementary heat exchanger make condenser use;It is outdoor distinguished and admirable in the air-supply passage Be cooled dehumidifying after the First Heat Exchanger through being used as evaporator, after flow through after the reheater is heated and be sent into room It is interior;In the air exhaust passage, interior is distinguished and admirable to heat up after second heat exchanger used as condenser and interior is discharged; Wherein, the supplementary heat exchanger carries out auxiliary condensation to second heat exchanger;
Under heating condition, when indoor environment temperature is less than preset temperature, start interior circulation pattern:The fresh air air door It closes, the return air by-passing valve is opened, and the exhaust blower is closed, and the First Heat Exchanger makees condenser use, and the auxiliary is changed Hot device makees evaporator use, and second heat exchanger and the reheater are turned off;In the air-supply passage, bypassed by return air Valve enter air-supply passage return air flow through the First Heat Exchanger used as condenser after heat up and be admitted to interior;Institute It states in air exhaust passage, indoor wind enters through the return air by-passing valve in the air-supply passage;Wherein, make as evaporator in outdoor Refrigerant heat absorption evaporation in the supplementary heat exchanger;
Under heating condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern:The fresh air air door It opens, the return air by-passing valve is closed, and the exhaust blower is opened, and the First Heat Exchanger makees condenser use, and described second changes Hot device makees evaporator use, and the supplementary heat exchanger and the reheater are turned off;In the air-supply passage, outdoor distinguished and admirable warp It heats up after the First Heat Exchanger used as condenser and is admitted to interior;In the air exhaust passage, indoor distinguished and admirable warp Cool down after second heat exchanger used as evaporator and interior is discharged, the refrigerant heat absorption in second heat exchanger is steamed Hair.
Preferably, a wet-film humidifying module is further set at the air-supply passage, in cooling condition and heating condition The interior circulation pattern under close, opened under the outer circulation pattern of heating condition;
It is outdoor distinguished and admirable after the First Heat Exchanger under the outer circulation pattern of heating condition, it passes through described wet It is sent into after film humidification module is humidified indoor.
Preferably, a powered air-purifying net, outdoor wind or the interior circulation pattern is arranged in the inlet of the air-supply passage Under interior it is distinguished and admirable after the powered air-purifying net, pass through the First Heat Exchanger.
Preferably, an air draft filter screen is arranged in the inlet of the air exhaust passage, and indoor wind enters from the air exhaust passage After mouth flows into, the air draft filter screen is further flowed through.
Preferably, main solenoid valve of the second heat exchanger connection one for controlling the opening and closing of its access;It is described auxiliary Help pilot solenoid valve of the heat exchanger connection one for controlling the opening and closing of its access;The reheater connection one is for controlling it The thermoelectrical magnetic valve again that access opens and closes;
Under cooling condition, the main solenoid valve, the pilot solenoid valve, the thermoelectrical magnetic valve again are opened, and described Two heat exchangers, the supplementary heat exchanger, the reheater access open;
Under the interior circulation pattern of heating condition, the main solenoid valve and the reheating solenoid valve are closed, the auxiliary electricity Magnet valve is opened, the path blockade of second heat exchanger and the reheater, and the access of the supplementary heat exchanger is opened;
Under the outer circulation pattern of heating condition, the main solenoid valve is opened, the pilot solenoid valve and the thermoelectricity again Magnet valve is closed, and the access of second heat exchanger is opened, the path blockade of the supplementary heat exchanger and the reheater.
Preferably, the input terminal of the reheater connects a check valve, for controlling refrigerant from the defeated of the reheater Enter end and flows to output end.
Preferably, the input terminal of the First Heat Exchanger is equipped with total electric expansion valve;
The output end of second heat exchanger is equipped with main electric expansion valve;
The output end of the supplementary heat exchanger is equipped with auxiliary electron expansion valve;
The input terminal of the reheater is equipped with reheating electric expansion valve;
Under cooling condition, total electric expansion valve is opened and is changed by described in the size extent control of its unlatching first The degree of superheat of hot device;The main electric expansion valve is opened and by the mistake of the second heat exchanger described in the size extent control of its unlatching Cold degree;The auxiliary electron expansion valve standard-sized sheet;The reheating electric expansion valve is opened and by the size extent control of its unlatching The amount of heat again of the reheater;
Under the interior circulation pattern of heating condition, total electric expansion valve standard-sized sheet;The main electric expansion valve is closed;Institute Auxiliary electron expansion valve is stated to open and by the degree of superheat of supplementary heat exchanger described in the size extent control of its unlatching;The reheating Electric expansion valve is closed;
Under the outer circulation pattern of heating condition, total electric expansion valve standard-sized sheet;The main electric expansion valve is opened simultaneously The degree of superheat of second heat exchanger described in size extent control by its unlatching;The auxiliary electron expansion valve is closed;It is described again Thermoelectron expansion valve is closed.
The present invention also provides a kind of air conditioning method, the dehumidification fresh air of application more condenser parallel connections as the aforementioned Group, the air conditioning method include:
Under cooling condition, be cooled dehumidifying after the outdoor distinguished and admirable First Heat Exchanger through being used as evaporator, after It flows through and is sent into interior after the reheater is heated;Interior is distinguished and admirable to heat up after second heat exchanger used as condenser And interior is discharged;Wherein, the supplementary heat exchanger carries out auxiliary condensation to second heat exchanger;
Under heating condition, when indoor environment temperature is less than preset temperature, start interior circulation pattern:By return air by-passing valve Into air-supply passage return air flow through the First Heat Exchanger used as condenser after heat up and be admitted to interior;Indoor wind Enter in the air-supply passage through the return air by-passing valve;Wherein, the supplementary heat exchanger used as evaporator in outdoor Interior refrigerant heat absorption evaporation;
Under heating condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern:It is outdoor distinguished and admirable through making It heats up after the First Heat Exchanger used for condenser and is admitted to interior;It is indoor distinguished and admirable through described in being used as evaporator Cool down after second heat exchanger and interior is discharged, the refrigerant heat absorption evaporation in second heat exchanger.
Preferably, under the outer circulation pattern of heating condition, outdoor wind heats up through the First Heat Exchanger, further into It is admitted to interior after row humidification process.
The dehumidification fresh air group and air conditioning method of the more condensers parallel connection provided through the invention, can bring following Advantageous effect:
1, for the present invention during cooling in summer pattern use, outdoor fresh air passes through work after filtering in air-supply passage For the First Heat Exchanger cooling and dehumidifying that evaporator uses, reaches required moisture content values, be then heated to by reheater Wind pushing temperature;Indoor exhaust wind is in air exhaust passage, and by being used as the second heat exchanger that condenser uses, (the second heat exchanger is made herein For main condenser use) and condensation heat is taken away, air themperature increases, and discharge is indoor, wherein supplementary heat exchanger is condensed as auxiliary Device uses, and auxiliary condensation is carried out to the second heat exchanger, meanwhile, the energy for the Cryogenic air being discharged in high temperature refrigerant absorption chamber, It is condensed, since temperature is low than outdoor for indoor exhaust wind temperature, therefore the condensing pressure of refrigeration system is reduced, to reduce machine The power consumption of group.
The present invention in winter during heating mode use, when indoor environment temperature is less than preset temperature close new by (1) Wind air door opens return air by-passing valve, is connected to air-supply passage and air exhaust passage, starts interior circulation pattern:Open First Heat Exchanger and Supplementary heat exchanger, closes the second heat exchanger and reheater, and the return air for entering air-supply passage in air-supply passage by return air by-passing valve passes through It is got in after crossing the First Heat Exchanger heating as condenser, and the wind in air exhaust passage enters air-supply through return air by-passing valve and leads to Interior cycle is realized in road.Due under interior circulation pattern and being not introduced into the outdoor fresh air of low temperature, thus can quickly be risen in cycle Temperature.(2) when indoor environment temperature reaches preset temperature, fresh air air door is opened, closes return air by-passing valve, starts outer circulation mould Formula.Outdoor wind heats up after flowing through the First Heat Exchanger used as condenser in air-supply passage and is admitted to interior;Room Interior wind cools down after flowing through second heat exchanger used as evaporator in air exhaust passage and interior is discharged.And cryogenic refrigeration The heat of exhaust airflow, is evaporated in agent absorption chamber, since temperature is high than outdoor for indoor exhaust wind temperature, therefore improves heating system The evaporating pressure of system improves the heating capacity of unit, reduces the power consumption of unit and avoids the risk of unit frosting.
2, the present invention condenses high temperature refrigerant using the air draft of indoor lower temperature in refrigeration, reduces unit Condensation temperature, be only the sensible heat portion of energy that indoor exhaust wind is utilized at this time;And in refrigeration, indoor second heat exchanger (as main condenser) and the supplementary heat exchanger of outdoor are applied in combination, and ensure that the leaving air temp of unit;And when heating, unit can It is switched between outer circulation pattern with recycling inside, interior cycle can quickly and effectively improve indoor temperature;And outside Under circulation pattern, the air draft of indoor higher temperature improves the evaporating temperature of unit as heat source, used as evaporator The heat that two heat exchangers absorb indoor exhaust wind is evaporated, and since the dew-point temperature of indoor exhaust wind is higher, and evaporating temperature is opposite The dew-point temperature of air draft is relatively low, therefore has condensed water precipitation in evaporator surface, and what is recycled at this time is not only the aobvious of indoor exhaust wind Hot part energy, while also having recycled the latent heat portion of energy of indoor exhaust wind.To, the energy of indoor exhaust wind can be made full use of, It is energy saving.
3, under the outer circulation pattern of heating condition, outdoor wind adds after First Heat Exchanger heats up using wet film the present invention Wet module after so that air humidity is promoted, further meets indoor humidity requirement.
4, the present invention under cooling condition, open and by the size extent control institute of its unlatching by total electric expansion valve State the degree of superheat of First Heat Exchanger;The main electric expansion valve is opened and is changed by described in the size extent control of its unlatching second The degree of supercooling of hot device;The auxiliary electron expansion valve standard-sized sheet;The reheating electric expansion valve is opened and by the size of its unlatching The amount of heat again of reheater described in extent control;
Under the interior circulation pattern of heating condition, total electric expansion valve standard-sized sheet;The main electric expansion valve is closed;Institute Auxiliary electron expansion valve is stated to open and by the degree of superheat of supplementary heat exchanger described in the size extent control of its unlatching;The reheating Electric expansion valve is closed;
Under the outer circulation pattern of heating condition, total electric expansion valve standard-sized sheet;The main electric expansion valve is opened simultaneously The degree of superheat of second heat exchanger described in size extent control by its unlatching;The auxiliary electron expansion valve is closed;It is described again Thermoelectron expansion valve is closed.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, in parallel to a kind of more condensers Above-mentioned characteristic, technical characteristic, advantage and its realization method of dehumidification fresh air group and air conditioning method are further described.
Fig. 1 is a kind of schematic diagram of embodiment of the dehumidification fresh air group of the more condenser parallel connections of the present invention.
Drawing reference numeral explanation:
A, air-supply passage;B, air exhaust passage;C, outdoor unit;1, compressor;2, the second heat exchanger;3, supplementary heat exchanger;4、 Reheater;5, First Heat Exchanger;6, wet-film humidifying module;7, total electric expansion valve;8, boss's expansion valve;9, auxiliary electron expands Valve;10, reheating electric expansion valve;11, main solenoid valve;12, pilot solenoid valve;13, thermoelectrical magnetic valve again;14, check valve;15, four Logical reversal valve;16, powered air-purifying net;17, air draft filter screen;18, return air by-passing valve;19, pressure fan;20, exhaust blower;21, new Wind air door.
Specific implementation mode
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, control is illustrated below The specific implementation mode of the present invention.It should be evident that drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented Its practical structures as product.In addition, so that simplified form is easy to understand, there is identical structure or function in some figures Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated " only this ", can also indicate the situation of " more than one ".
In the embodiment one of the dehumidification fresh air group of the more condenser parallel connections of the present invention, referring to Fig.1, dehumidification fresh air group packet It includes:Air exhaust passage B, the outdoor unit C of the air-supply passage A of outdoor wind, indoor wind.Wherein, air-supply passage is used to be sent into outdoor fresh air, Air exhaust passage is for being discharged indoor exhaust wind.At air-supply passage A, it is equipped with successively along the flow direction of wind direction:It is fresh air air door 21, simultaneous Tool is condensed with the First Heat Exchanger 5 of vaporization function, for outdoor fresh air to be sent into indoor pressure fan 19.At air exhaust passage B, It is equipped with successively along the flow direction of air:Have both the second heat exchanger 2 of condensation and vaporization function and for room to be discharged in indoor wind Outer exhaust blower 20;In outdoor unit C, setting one has both the supplementary heat exchanger 3 of condensation and vaporization function, the supplementary heat exchanger 3 connect with second heat exchanger 2.Simultaneously between air-supply passage A and air exhaust passage B, and close to the fresh air air door 21 Position be provided with a return air by-passing valve 18, and realized to a part of interior in air exhaust passage B by the return air by-passing valve 18 Air draft is recycled.
The present embodiment under cooling condition, open by fresh air air door 21, and return air by-passing valve 18 is closed, and First Heat Exchanger 5 steams It sends out device to use, the second heat exchanger 2 and supplementary heat exchanger 3 make condenser use, wherein the second heat exchanger 2 is main condenser, auxiliary It is auxiliary condenser to help heat exchanger 3;In air-supply passage A, quilt after the outdoor distinguished and admirable First Heat Exchanger 5 through being used as evaporator Cooling and dehumidifying, after flow through be sent into after reheater 4 is heated it is indoor;It is indoor distinguished and admirable through being used as condenser in air exhaust passage B The second heat exchanger 2 after heat up and interior be discharged;Wherein, supplementary heat exchanger 3 carries out auxiliary condensation to the second heat exchanger 2.Wherein, The energy for the Cryogenic air being discharged in high temperature refrigerant absorption chamber, is condensed, since temperature is low than outdoor for indoor exhaust wind temperature, The condensing pressure for significantly reducing refrigeration system, to reduce the power consumption of unit.
Under heating condition, (1) starts interior circulation pattern when indoor environment temperature is less than preset temperature:Fresh air air door 21 close, and return air by-passing valve 18 is opened, and exhaust blower 20 is closed, and First Heat Exchanger 5 makees condenser use, and supplementary heat exchanger 3 steams It sends out device to use, the second heat exchanger 2 and reheater 4 are turned off;In air-supply passage A, air-supply passage is entered by return air by-passing valve Return air heats up after flowing through the First Heat Exchanger 5 used as condenser and is admitted to interior;In air exhaust passage B, indoor wind warp Return air by-passing valve 18 enters in air-supply passage A;Wherein, the refrigerant in the supplementary heat exchanger 3 that outdoor is used as evaporator Heat absorption evaporation.(2) and when indoor environment temperature reaches preset temperature, start outer circulation pattern:Fresh air air door 21 is opened, return air By-passing valve 18 is closed, and exhaust blower 20 is opened, and First Heat Exchanger 5 makees condenser use, and the second heat exchanger 2 makees evaporator use, auxiliary Heat exchanger 3 and reheater 4 is helped to be turned off;In air-supply passage A, the outdoor distinguished and admirable First Heat Exchanger 5 through being used as condenser After heat up and be admitted to interior;In air exhaust passage B, cool down after indoor distinguished and admirable the second heat exchanger 2 through being used as evaporator And interior is discharged, the refrigerant heat absorption evaporation in the second heat exchanger 2.
Interior circulation pattern in the present embodiment can close the entrance of outdoor fresh air in low temperature, avoid outdoor fresh air with Cold consumption caused by indoor wind cold-hot counteraction, can quickly and effectively improve indoor temperature.
Wherein it should be noted that the refrigerant of low-temp low-pressure inputs compressor 1, after being compressed to it by compressor 1, warp Four-way reversing valve 15 exports the refrigerant of high temperature and pressure, and power is provided for refrigeration cycle, to realize that compression, condensation (are put Heat), throttling, evaporation (heat absorption) refrigeration cycle.
In above-described embodiment one, it is preferable that referring to Fig.1, the one wet-film humidifying module of setting at air-supply passage A, 6, it should Wet-film humidifying module 6 is closed under the interior circulation pattern of cooling condition and heating condition, in the outer circulation mould of heating condition It is opened under formula.It is outdoor distinguished and admirable after First Heat Exchanger 5 (making condenser use) under the outer circulation pattern, pass through wet film Humidification module 6 after so that air humidity is promoted, further meets indoor humidity requirement, is finally sent into interior by pressure fan 19.
In above-described embodiment one, it is preferable that referring to Fig.1, one powered air-purifying net is set in the inlet of air-supply passage A 16, make the interior under outdoor wind or the interior circulation pattern it is distinguished and admirable after powered air-purifying net 16 using heat and wet treatment, be sent into room It is interior, impurity that can be effectively in filter chamber exogenous wind.
In above-described embodiment one, it is preferable that referring to Fig.1, one air draft filter screen is set in the inlet of air exhaust passage B 17, indoor wind after the inflow of the entrance of air exhaust passage B, further flow through be then exhausted from after air draft filter screen 17 filters it is outdoor or again It utilizes, impurity that can effectively in filter chamber in wind avoids causing secondary pollution.
In above-described embodiment one, it is preferable that referring to Fig.1, the second heat exchanger 2 connection one for control its access open and The main solenoid valve 11 of closing;Pilot solenoid valve 12 of the connection of supplementary heat exchanger 3 one for controlling the opening and closing of its access;Reheating Reheating solenoid valve 13 of the connection of device 4 one for controlling the opening and closing of its access;Under cooling condition, main solenoid valve 11, auxiliary Solenoid valve 12, reheating solenoid valve 13 are opened, the second heat exchanger 2, supplementary heat exchanger 3, reheater 4 access open;It is making Under the interior circulation pattern of thermal condition, main solenoid valve 11 and reheating solenoid valve 13 are closed, and pilot solenoid valve 12 is opened, the second heat exchanger 2 and reheater 4 path blockade, the access of supplementary heat exchanger 3 opens;Under the outer circulation pattern of heating condition, main solenoid valve 11 open, and pilot solenoid valve 12 and reheating solenoid valve 13 are closed, and the access of the second heat exchanger 2 is opened, supplementary heat exchanger 3 and reheating The path blockade of device 4.
In above-described embodiment one, it is preferable that referring to Fig.1, reheating, 4 input terminal connects a check valve 14, for controlling Refrigerant flows to output end from the input terminal of reheater 4.
In above-described embodiment one, it is preferable that referring to Fig.1, the input terminal of First Heat Exchanger 5 is equipped with total electric expansion valve 7; The output end of second heat exchanger 2 is equipped with main electric expansion valve 8;The output end of supplementary heat exchanger 3 is equipped with auxiliary electron expansion valve 9; The input terminal of reheater 4 is equipped with reheating electric expansion valve 10.Under cooling condition, total electric expansion valve 7 is opened and is opened by it The degree of superheat of the size extent control First Heat Exchanger 5 opened;Main electric expansion valve 8 is opened and by the size degree control of its unlatching Make the degree of supercooling of the second heat exchanger 2;9 standard-sized sheet of auxiliary electron expansion valve;Reheating electric expansion valve 10 is opened and by its unlatching The amount of heat again of size extent control reheater 4.Under the interior circulation pattern of heating condition, 7 standard-sized sheet of total electric expansion valve;It is main Electric expansion valve 8 is closed;Auxiliary electron expansion valve 9 is opened and by the mistake of its size extent control supplementary heat exchanger 3 opened Temperature;Reheating electric expansion valve 4 is closed.Under the outer circulation pattern of heating condition, 7 standard-sized sheet of total electric expansion valve;Main electronics is swollen Swollen valve 8 is opened and by the degree of superheat of its second heat exchanger of size extent control 2 opened;Auxiliary electron expansion valve 9 is closed;Again Thermoelectron expansion valve 10 is closed.
The present invention also provides a kind of air conditioning method, the dehumidification fresh air of application more condenser parallel connections as the aforementioned Group.
In the embodiment one of the method for air conditioning of the present invention, method includes:Under cooling condition, outdoor distinguished and admirable warp Be cooled dehumidifying after the First Heat Exchanger used as evaporator, after flow through be sent into after reheater is heated it is indoor;It is indoor distinguished and admirable It heats up after the second heat exchanger through being used as condenser and interior is discharged;Wherein, the second heat exchanger of supplementary heat exchanger pair carries out Auxiliary condensation;Under heating condition, when indoor environment temperature is less than preset temperature, start interior circulation pattern:It is bypassed by return air Valve enter air-supply passage return air flow through the First Heat Exchanger used as condenser after heat up and be admitted to interior;Indoor wind warp Return air by-passing valve enters in air-supply passage;Wherein, the refrigerant heat absorption in the supplementary heat exchanger that outdoor is used as evaporator Evaporation;Under heating condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern:It is outdoor distinguished and admirable through conduct It heats up after the First Heat Exchanger that condenser uses and is admitted to interior;Indoor distinguished and admirable the second heat exchanger through being used as evaporator After cool down and interior be discharged, the refrigerant heat absorption evaporation in the second heat exchanger.
On the basis of embodiment one of the method for air conditioning, it is preferable that outdoor under heating condition outer circulation pattern First Heat Exchanger heating of the wind through being used as evaporator, further carries out humidification process, it is made to meet indoor humidity Interior is admitted to after it is required that.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the preferred of the present invention Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention Under, several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of dehumidification fresh air group of more condenser parallel connections, which is characterized in that including:
Air exhaust passage, the outdoor unit of the air-supply passage of outdoor wind, indoor wind;
At the air-supply passage, it is equipped with successively along the flow direction of air:Fresh air air door, have both condensation and vaporization function One heat exchanger, reheater, pressure fan;
At the air exhaust passage, it is equipped with successively along the flow direction of air:Have both condensation and vaporization function the second heat exchanger, Exhaust blower;
In the outdoor unit, the supplementary heat exchanger that setting one has both condensation and vaporization function, the supplementary heat exchanger with it is described Second heat exchanger and the reheater are connected in parallel;
It is provided with by a return air between the air-supply passage and the air exhaust passage, and close to the position of the fresh air air door Port valve;
Under cooling condition, the fresh air air door is opened, and the return air by-passing valve is closed, and the First Heat Exchanger makes as evaporator With second heat exchanger and the supplementary heat exchanger make condenser use;It is outdoor distinguished and admirable through making in the air-supply passage Be cooled dehumidifying after the First Heat Exchanger used for evaporator, after flow through be sent into after the reheater is heated it is indoor; In the air exhaust passage, interior is distinguished and admirable to heat up after second heat exchanger used as condenser and interior is discharged;Wherein, The supplementary heat exchanger carries out auxiliary condensation to second heat exchanger;
Under heating condition, when indoor environment temperature is less than preset temperature, start interior circulation pattern:The fresh air air door is closed It closes, the return air by-passing valve is opened, and the exhaust blower is closed, and the First Heat Exchanger makees condenser use, the auxiliary heat-exchanging Device makees evaporator use, and second heat exchanger and the reheater are turned off;In the air-supply passage, by return air by-passing valve Into air-supply passage return air flow through the First Heat Exchanger used as condenser after heat up and be admitted to interior;Described In air exhaust passage, indoor wind enters through the return air by-passing valve in the air-supply passage;Wherein, it is used as evaporator in outdoor The supplementary heat exchanger in refrigerant heat absorption evaporation;
Under heating condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern:The fresh air air door is opened It opens, the return air by-passing valve is closed, and the exhaust blower is opened, and the First Heat Exchanger makees condenser use, second heat exchange Device makees evaporator use, and the supplementary heat exchanger and the reheater are turned off;It is outdoor distinguished and admirable through making in the air-supply passage It heats up after the First Heat Exchanger used for condenser and is admitted to interior;It is indoor distinguished and admirable through making in the air exhaust passage Cool down after second heat exchanger used for evaporator and interior is discharged, the refrigerant heat absorption in second heat exchanger is steamed Hair.
2. the dehumidification fresh air group of more condenser parallel connections according to claim 1, it is characterised in that:
One wet-film humidifying module is further set at the air-supply passage, in the interior cycle of cooling condition and heating condition It closes under pattern, is opened under the outer circulation pattern of heating condition;
It is outdoor distinguished and admirable after the First Heat Exchanger under the outer circulation pattern of heating condition, it passes through the wet film and adds It is sent into after wet module is humidified indoor.
3. the dehumidification fresh air group of more condenser parallel connections according to claim 1, it is characterised in that:
A powered air-purifying net is arranged in the inlet of the air-supply passage, and the interior under outdoor wind or the interior circulation pattern is distinguished and admirable After the powered air-purifying net, the First Heat Exchanger is passed through.
4. the dehumidification fresh air group of more condenser parallel connections according to claim 1, it is characterised in that:
An air draft filter screen is arranged in the inlet of the air exhaust passage, indoor wind after the inflow of the entrance of the air exhaust passage, into One step flows through the air draft filter screen.
5. the dehumidification fresh air group of more condenser parallel connections according to claim 1, it is characterised in that:
Main solenoid valve of the second heat exchanger connection one for controlling the opening and closing of its access;The supplementary heat exchanger connection One pilot solenoid valve for controlling the opening and closing of its access;The reheater connection one beats on and off for controlling its access The thermoelectrical magnetic valve again closed;
Under cooling condition, the main solenoid valve, the pilot solenoid valve, the thermoelectrical magnetic valve again are opened, and described second changes Hot device, the supplementary heat exchanger, the reheater access open;
Under the interior circulation pattern of heating condition, the main solenoid valve and the reheating solenoid valve are closed, the pilot solenoid valve It opens, the path blockade of second heat exchanger and the reheater, the access of the supplementary heat exchanger is opened;
Under the outer circulation pattern of heating condition, the main solenoid valve is opened, the pilot solenoid valve and the thermoelectrical magnetic valve again It closes, the access of second heat exchanger is opened, the path blockade of the supplementary heat exchanger and the reheater.
6. the dehumidification fresh air group of more condenser parallel connections according to claim 1, it is characterised in that:
The input terminal of the reheater connects a check valve, and output is flowed to from the input terminal of the reheater for controlling refrigerant End.
7. according to the dehumidification fresh air group of any more condensers parallel connections of claim 1-6, it is characterised in that:
The input terminal of the First Heat Exchanger is equipped with total electric expansion valve;
The output end of second heat exchanger is equipped with main electric expansion valve;
The output end of the supplementary heat exchanger is equipped with auxiliary electron expansion valve;
The input terminal of the reheater is equipped with reheating electric expansion valve;
Under cooling condition, total electric expansion valve is opened and by First Heat Exchanger described in the size extent control of its unlatching The degree of superheat;The main electric expansion valve is opened and by the supercooling of the second heat exchanger described in the size extent control of its unlatching Degree;The auxiliary electron expansion valve standard-sized sheet;The reheating electric expansion valve is opened and by the size extent control institute of its unlatching State the amount of heat again of reheater;
Under the interior circulation pattern of heating condition, total electric expansion valve standard-sized sheet;The main electric expansion valve is closed;It is described auxiliary Electric expansion valve is helped to open and by the degree of superheat of supplementary heat exchanger described in the size extent control of its unlatching;The thermoelectron again Expansion valve is closed;
Under the outer circulation pattern of heating condition, total electric expansion valve standard-sized sheet;The main electric expansion valve is opened and is passed through The degree of superheat of second heat exchanger described in its size extent control opened;The auxiliary electron expansion valve is closed;The thermoelectricity again Sub- expansion valve is closed.
8. a kind of air conditioning method, which is characterized in that more condensers of the application as described in claim 1-7 is any are in parallel to be removed Wet Fresh air handling units, the air conditioning method include:
Under cooling condition, be cooled dehumidifying after the outdoor distinguished and admirable First Heat Exchanger through being used as evaporator, after flow through The reheater is sent into indoor after being heated;Interior is distinguished and admirable to heat up side by side after second heat exchanger used as condenser Go out interior;Wherein, the supplementary heat exchanger carries out auxiliary condensation to second heat exchanger;
Under heating condition, when indoor environment temperature is less than preset temperature, start interior circulation pattern:Entered by return air by-passing valve The return air of air-supply passage heats up after flowing through the First Heat Exchanger used as condenser and is admitted to interior;Indoor wind is through institute Return air by-passing valve is stated to enter in the air-supply passage;Wherein, in the supplementary heat exchanger that outdoor is used as evaporator Refrigerant heat absorption evaporation;
Under heating condition, when indoor environment temperature reaches preset temperature, start outer circulation pattern:It is outdoor distinguished and admirable through as cold It heats up after the First Heat Exchanger that condenser uses and is admitted to interior;It is indoor it is distinguished and admirable through being used as evaporator described second Cool down after heat exchanger and interior is discharged, the refrigerant heat absorption evaporation in second heat exchanger.
9. air conditioning method according to claim 8, it is characterised in that:
Under the outer circulation pattern of heating condition, outdoor wind heats up through the First Heat Exchanger, is further carried out humidification process After be admitted to interior.
CN201610380651.7A 2016-06-01 2016-06-01 A kind of the dehumidification fresh air group and air conditioning method of more condenser parallel connections CN105910218B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610380651.7A CN105910218B (en) 2016-06-01 2016-06-01 A kind of the dehumidification fresh air group and air conditioning method of more condenser parallel connections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610380651.7A CN105910218B (en) 2016-06-01 2016-06-01 A kind of the dehumidification fresh air group and air conditioning method of more condenser parallel connections

Publications (2)

Publication Number Publication Date
CN105910218A CN105910218A (en) 2016-08-31
CN105910218B true CN105910218B (en) 2018-09-21

Family

ID=56741905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610380651.7A CN105910218B (en) 2016-06-01 2016-06-01 A kind of the dehumidification fresh air group and air conditioning method of more condenser parallel connections

Country Status (1)

Country Link
CN (1) CN105910218B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN107514749B (en) * 2017-08-22 2020-02-04 广东美的暖通设备有限公司 Multi-split fresh air system, control method thereof and computer readable storage medium
CN107763737B (en) * 2017-10-20 2020-03-03 青岛海信日立空调系统有限公司 Machine and air conditioner in air conditioning
CN110388732A (en) * 2019-07-26 2019-10-29 广东美的暖通设备有限公司 Air-conditioning system and its control method, computer installation and readable storage medium storing program for executing
CN110686361A (en) * 2019-10-15 2020-01-14 广东美的暖通设备有限公司 Fresh air machine control method, fresh air machine and computer readable storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1512112A (en) * 2002-12-26 2004-07-14 Lg电子株式会社 Air conditioning system
JP2004340476A (en) * 2003-05-15 2004-12-02 Ebara Corp Sensible heat ratio variable dehumidifying device
CN102305456A (en) * 2011-06-22 2012-01-04 南京五洲制冷集团有限公司 Energy-saving constant-temperature and constant-humidity unit with fresh air energy compensation function and method for controlling energy-saving constant-temperature and constant-humidity unit
CN203177357U (en) * 2013-04-03 2013-09-04 中国建筑科学研究院 Domestic fresh air dehumidifier
CN205860341U (en) * 2016-06-01 2017-01-04 江苏慧居建筑科技有限公司 The dehumidification fresh air group that a kind of many condensers are in parallel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1512112A (en) * 2002-12-26 2004-07-14 Lg电子株式会社 Air conditioning system
JP2004340476A (en) * 2003-05-15 2004-12-02 Ebara Corp Sensible heat ratio variable dehumidifying device
CN102305456A (en) * 2011-06-22 2012-01-04 南京五洲制冷集团有限公司 Energy-saving constant-temperature and constant-humidity unit with fresh air energy compensation function and method for controlling energy-saving constant-temperature and constant-humidity unit
CN203177357U (en) * 2013-04-03 2013-09-04 中国建筑科学研究院 Domestic fresh air dehumidifier
CN205860341U (en) * 2016-06-01 2017-01-04 江苏慧居建筑科技有限公司 The dehumidification fresh air group that a kind of many condensers are in parallel

Also Published As

Publication number Publication date
CN105910218A (en) 2016-08-31

Similar Documents

Publication Publication Date Title
CN104290561B (en) The method of electric automobile air-to-air energy recovery and the heat pump type air conditioning system of application the method
CN104329759B (en) Temperature control dehumidification system and temperature control dehumidification method for fresh air of radiation air conditioner
US4474021A (en) Heat pump apparatus and method
CN101790667B (en) Air conditioning/ventilating system
CN100552312C (en) The air-conditioning unit device and the air-treatment method thereof of the wet segment processing of heat
CN103322656A (en) Heat recycling air conditioner set
CN201858726U (en) Humidifying fresh air heat pump capable of realizing total heat recovery
CN100595490C (en) Water chilling unit based on hot moisture independent process as well as air-treatment method thereof
CN101995062A (en) Total heat recovery humidifying fresh-air heat pump
CN202253992U (en) Heat recovery constant humidity fresh air unit of heat pump
US10495330B2 (en) Air conditioning system
CN105352042B (en) Air conditioner indoor unit and air conditioner
CN201302243Y (en) Energy-saving full fresh air dehumidifier machine
CN106051975A (en) Frostless air source heat pump device and method based on membrane method dehumidification and indoor regeneration humidification
CN101876469A (en) Heat pump coupling contraflow type liquid-desiccant central ventilation system and control method thereof
CN201582927U (en) Coupling counterflow-type solution dehumidification fresh air system of heat pump
CN203824009U (en) Fresh air ventilator capable of recycling condensation heat
CN102705920B (en) Double-cold-source heat pump total heat recovery humidity regulating and temperature controlling fresh air unit and control method thereof
CN205048940U (en) Drying and dehumidification unit
CN105276736B (en) A kind of heat pump type total heat recovering fresh air air-conditioner set of band condensation reheating
KR100643079B1 (en) Power-saving air conditioner using heat pump
CN203163329U (en) Air conditioner
CN206234930U (en) A kind of warm and humid sub-control Fresh air handling units based on high temperature chilled water
CN201285124Y (en) Vaporization cooling and evaporation condensing combined air-conditioning unit
CN205482280U (en) Tertiary hot recovery type heat pump drying unit

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20181212

Address after: Room 3E-2030, 2123 Pudong Avenue, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai, 2001

Patentee after: Shanghai green building Polytron Technologies Inc

Address before: 210049 No. 1, Zidong Road, Maqun Street, Qixia District, Nanjing, Jiangsu Province

Patentee before: Jiangsu Huiju Architecture Technology Co., Ltd.

TR01 Transfer of patent right