CN205425262U - Fresh air dehumidification unit of many condensers of single evaporimeter - Google Patents

Fresh air dehumidification unit of many condensers of single evaporimeter Download PDF

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Publication number
CN205425262U
CN205425262U CN201620211402.0U CN201620211402U CN205425262U CN 205425262 U CN205425262 U CN 205425262U CN 201620211402 U CN201620211402 U CN 201620211402U CN 205425262 U CN205425262 U CN 205425262U
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heat exchanger
condenser
indoor
air
electric expansion
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CN201620211402.0U
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Inventor
张国华
许亚兵
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Shanghai green building Polytron Technologies Inc
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Shanghai Lang Lv Building Technology Co Ltd
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Abstract

The utility model relates to a fresh air dehumidification unit of many condensers of single evaporimeter, this unit include the passageway of airing exhaust of the air supply passage of outdoor wind, indoor wind, locate to be equipped with in proper order first heat exchanger, reheat condenser, forced draught blower at air supply passage, passageway department is equipped with second heat exchanger, exhaust fan in proper order airing exhaust, an auxiliary condenser is further connected to the second heat exchanger, and auxiliary condenser sets up in the off -premises station of fresh air dehumidification unit. The utility model discloses in when refrigeration, because the indoor temperature of airing exhaust is low than outdoor temperature, the exhaust hangs down the energy of warm air in the high temperature refrigerant absorption chamber, can the condensation, effectively reduced refrigerating system's condensing pressure to the power consumptive power of unit has been reduced, when heating, because the indoor temperature of airing exhaust is high than outdoor temperature, the heat of the air of airing exhaust in the cryogenic refrigeration agent absorption chamber can evaporate, has effectively improved the evaporating pressure of heating and the heating capacity of unit, has reduced the power consumptive power of unit and has avoided the risk that the unit frosted.

Description

A kind of fresh air dehumidification unit of the many condensers of single evaporator
Technical field
This utility model relates to air regulation and technical field of energy utilization, the fresh air dehumidification unit of the many condensers of a kind of single evaporator.
Background technology
In the prior art, the most air conditioning unit condensation heat is 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 it is condensed, not only condensation effect is bad, and distributing and ambient temperature being raised of these heats, cause serious environmental thermal pollution, this partial heat can lose again in vain simultaneously, causes bigger energy waste.If the condensation heat of air conditioning unit releasing is recycled, and utilizing indoor exhaust wind temperature relatively low in summer, the feature that winter is higher, as the main Cooling and Heat Source of unit, not only can reduce condensation heat pollution on the environment, but also be a kind of conservation measures turned waste into wealth.
Condensation heat is utilized and mainly the new wind after cooling and dehumidifying is carried out reheating by tradition fresh air dehumidifier, this has had certain recycling to a certain extent to condensation heat, but still have most condensation heat to be discharged in outdoor air, outdoor air-cooled condenser is relied on to take away this partial heat, additionally, when heating, owing to outdoor temperature is the lowest, tend not to meet the demand heated, the situation of frosting often occurs.For this, some scholar is by air draft side disposed within for outdoor air-cooled condenser, time in the winter time, utilize the air draft thermal source as unit of indoor higher temperature, solve the drawback that Winter heat supply is not enough, but bring a new problem, i.e. when summer, refrigerating capacity is difficult to again meet requirement, and only leaning on indoor exhaust wind is again far from being enough as low-temperature receiver.
To this end, need the appearance of a kind of novel dehumidifier badly, to solve the problem attended to one thing and lose sight of another of above-mentioned existence.
Utility model content
The purpose of this utility model is to provide the fresh air dehumidification unit of the many condensers of a kind of single evaporator, it is capable of reducing condensation temperature summer, improves the purpose of evaporating temperature winter, not only can improve refrigerating capacity or the heating capacity of unit, the energy consumption of unit can also be reduced, it is to avoid the risk of temperature.
The technical scheme that this utility model provides is as follows:
The fresh air dehumidification unit of the many condensers of a kind of single evaporator, it is characterised in that including:
The air-supply passage of outdoor wind, the air exhaust passage of indoor wind;
At described air-supply passage, the flow direction along wind direction is sequentially provided with: have condensation and the First Heat Exchanger of vaporization function, again reheater condenser, pressure fan concurrently;
At described air exhaust passage, the flow direction along wind direction is sequentially provided with: have condensation and the second heat exchanger of vaporization function, exhaust blower concurrently;
Described second heat exchanger connects an auxiliary condenser further, and described auxiliary condenser is arranged in the off-premises station of described fresh air dehumidification unit;
Under cooling condition, described First Heat Exchanger is made vaporizer and is used, and described second heat exchanger is made condenser and used, and described reheater condenser again and described auxiliary condenser are all opened;In described air-supply passage, cooled dehumidifying after the outdoor distinguished and admirable described First Heat Exchanger through using as vaporizer, after flow through described in send into after reheater condenser is heated more indoor;In described air exhaust passage, indoor are distinguished and admirable heats up after described second heat exchanger used as condenser and discharges indoor;Wherein, described auxiliary condenser carries out auxiliary condensation to described second heat exchanger;
Under heating condition, described First Heat Exchanger is made condenser and is used, and described second heat exchanger is made vaporizer and used, and described reheater condenser again and described auxiliary condenser are turned off;In described air-supply passage, heat up after the outdoor distinguished and admirable described First Heat Exchanger through using as condenser and be admitted to indoor;In described air exhaust passage, indoor are distinguished and admirable to lower the temperature after described second heat exchanger used as vaporizer and discharges indoor.
Preferably, arranging a wet-film humidifying module at described air-supply passage further, it is closed under cooling condition, opens under heating condition;
Under heating condition, outdoor distinguished and admirable after described First Heat Exchanger, pass through described wet-film humidifying module humidified after send into indoor.
Preferably, described reheating condenser connects one for controlling the electromagnetic valve that its path opens and closes;
Under cooling condition, described electromagnetic valve is opened, and the path of described reheater condenser again is opened;
Under heating condition, described closed electromagnetic valve, the path blockade of described reheater condenser again.
Preferably, the input of described reheater condenser again connects a check valve, flows to outfan for controlling cold-producing medium from the input of described reheater condenser again.
Preferably, the first electric expansion valve, the 3rd electric expansion valve it are provided with between described First Heat Exchanger and described reheater condenser again;
The second electric expansion valve, the 3rd electric expansion valve it is provided with between described First Heat Exchanger and described auxiliary condenser;
Under cooling condition, the amount of heat again of reheater condenser again described in its size extent control opened is opened and passed through to described first electric expansion valve, described second electric expansion valve standard-sized sheet, the degree of superheat of its size extent control whole fresh air dehumidification unit opened is opened and passed through to described 3rd electric expansion valve;
Under heating condition, described first electric expansion valve is closed, and the degree of superheat of its size extent control whole fresh air dehumidification unit opened, described 3rd electric expansion valve standard-sized sheet are opened and passed through to described second electric expansion valve.
This utility model additionally provides a kind of air conditioning method, applies the fresh air dehumidification unit of the many condensers of single evaporator described above, and described air conditioning method includes:
Under cooling condition, cooled dehumidifying after the outdoor wind described First Heat Exchanger through using as vaporizer, send into indoor by described reheater condenser again after being heated;Heating up after described second heat exchanger that indoor wind is used as condenser and discharge indoor, wherein, described auxiliary condenser carries out auxiliary condensation to described second heat exchanger;
Under heating condition, heat up after the outdoor wind described First Heat Exchanger through using as condenser and be admitted to indoor;Indoor wind is lowered the temperature after described second heat exchanger used as vaporizer and discharges indoor.
Preferably, under heating condition, outdoor wind heats up through described First Heat Exchanger, is admitted to indoor after being further carried out adding wet process.
The fresh air dehumidification unit of the many condensers of single evaporator provided by this utility model and air conditioning method, it is possible to bring at least one beneficial effect following:
1, this utility model is during cooling in summer pattern uses, outdoor new wind is in air-supply passage, after filtering by the First Heat Exchanger cooling and dehumidifying used as vaporizer, reach required moisture content values, be then heated to wind pushing temperature by reheater condenser again;Indoor exhaust wind is in air exhaust passage, by the second heat exchanger (the second heat exchanger uses as main condenser) of using as condenser herein and take away condensation heat after primary filter, air themperature raises, in discharge chamber, wherein, the energy of the Cryogenic air discharged in high temperature refrigerant absorption chamber, condensed, owing to indoor exhaust wind temperature is low compared with outdoor temperature, therefore reduce the condensing pressure of refrigeration system, thus reduce the power consumption of unit.
During this utility model heating mode in the winter time uses, off-premises station blower fan cuts out, and First Heat Exchanger and the exchange roles of the second heat exchanger, under this pattern, First Heat Exchanger uses as condenser, and the second heat exchanger uses as vaporizer.Outdoor new wind is in air supply duct, and after filtering by the First Heat Exchanger used as condenser, after absorption condensation heat, temperature raises, and sends into indoor;Indoor exhaust wind passes through the second heat exchanger used as vaporizer in air exhaust passage after filtering, temperature reduces, in discharge chamber, and the heat of exhaust airflow in low-temperature refrigerant absorption chamber, evaporated, owing to indoor exhaust wind temperature relatively outdoor temperature is high, therefore improve the evaporating pressure of heating, improve the heating capacity of unit, reduce the power consumption of unit and avoid the risk of unit frosting.
2, this utility model utilizes the air draft of indoor lower temperature to condense high temperature refrigerant when refrigeration, reduces the 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 auxiliary condenser are applied in combination, and jointly condense high temperature refrigerant;And when heating, the air draft of indoor higher temperature is as thermal source, improve the evaporating temperature of unit, as vaporizer use second heat exchanger absorb indoor exhaust wind heat evaporated, owing to the dew point temperature of indoor exhaust wind is higher, and evaporating temperature is relatively low relative to the dew point temperature of air draft, therefore has condensed water to separate out at the second heat exchanger surface, now reclaim is not only the sensible heat portion of energy of indoor exhaust wind, has also reclaimed the latent heat portion of energy of indoor exhaust wind simultaneously.Thus, the energy of indoor exhaust wind can be made full use of, save the energy.
3, this utility model is under heating condition, and outdoor wind again through wet-film humidifying module, after making air humidity promote, meets indoor humidity requirement after First Heat Exchanger heats up further.
4, the amount of heat again of this utility model reheater condenser again is controlled by the aperture of the first electric expansion valve, and it is the most convenient to use.
Accompanying drawing explanation
Below by the way of the most understandable, accompanying drawings preferred implementation, above-mentioned characteristic, technical characteristic, advantage and the implementation thereof of the fresh air dehumidification unit of condensers many to a kind of single evaporator are further described.
Fig. 1 is the schematic diagram of a kind of embodiment of the fresh air dehumidification unit of the many condensers of this utility model single evaporator.
Drawing reference numeral illustrates:
A, air-supply passage;B, air exhaust passage;C, off-premises station;1, First Heat Exchanger;2, reheater condenser again;3, wet-film humidifying module;4, compressor;5, four-way change-over valve;6, auxiliary condenser;7, the second heat exchanger;8, check valve;9, electromagnetic valve;10, the first electric expansion valve;11, the second electric expansion valve;12, the 3rd electric expansion valve;13, pressure fan;14, exhaust blower.
Detailed description of the invention
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below comparison accompanying drawing is illustrated detailed description of the invention of the present utility model.Apparently, accompanying drawing in describing below is only embodiments more of the present utility model, 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 the part relevant to this utility model in each figure, they do not represent its practical structures as product.It addition, so that simplified form readily appreciates, some figure has the parts of identical structure or function, only symbolically depicts one of them, or only marked one of them.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 fresh air dehumidification unit of the many condensers of this utility model single evaporator, with reference to Fig. 1, fresh air dehumidification unit includes: the air-supply passage A of outdoor wind, the air exhaust passage B of indoor wind.Wherein, air-supply passage A is used for sending into outdoor new wind, and air exhaust passage B is used for discharge chamber endogenous wind.At air-supply passage A, the flow direction along wind direction is sequentially provided with: have condensation and the First Heat Exchanger 1 of vaporization function, reheating condenser 2 and for new for outdoor wind is sent into indoor pressure fan 13 concurrently.At air exhaust passage B, the flow direction along wind direction is sequentially provided with: have condensation and the second heat exchanger 7 of vaporization function concurrently and for by the exhaust blower 14 outside indoor wind discharge chamber;Second heat exchanger connects an auxiliary condenser 6 further, and auxiliary condenser 6 is arranged in the off-premises station C of fresh air dehumidification unit.
Under cooling condition, First Heat Exchanger 1 is made vaporizer and is used, and the second heat exchanger 7 is made condenser and used, and reheating condenser 2 and auxiliary condenser 6 are all opened;In air-supply passage A, cooled dehumidifying after the outdoor distinguished and admirable First Heat Exchanger 1 through using as vaporizer, after flow through reheating condenser 2 heated after send into indoor;In air exhaust passage B, heat up after indoor distinguished and admirable the second heat exchanger 7 through using as condenser and discharge indoor;Wherein, auxiliary condenser 6 carries out auxiliary condensation to the second heat exchanger 7.Wherein, the energy of the Cryogenic air discharged in high temperature refrigerant absorption chamber, condensed, owing to indoor exhaust wind temperature is low compared with outdoor temperature, significantly reduce the condensing pressure of refrigeration system, thus reduce the power consumption of unit.
Under heating condition, First Heat Exchanger 1 is made condenser and is used, and the second heat exchanger 7 is made vaporizer and used, and reheating condenser 2 and auxiliary condenser 6 are turned off;In air-supply passage A, heat up after the outdoor distinguished and admirable First Heat Exchanger 1 through using as condenser and be admitted to indoor;In air exhaust passage B, lower the temperature after indoor distinguished and admirable the second heat exchanger 7 through using as vaporizer and discharge indoor.Wherein, in low-temperature refrigerant absorption chamber, the heat of exhaust airflow, is evaporated, owing to indoor exhaust wind temperature relatively outdoor temperature is high, thus it is effectively improved the evaporating pressure of heating, improve the heating capacity of unit, reduce the power consumption of unit and avoid the risk of unit frosting.
Wherein it should be noted that, the cold-producing medium input compressor 4 of low-temp low-pressure, after it being compressed by compressor 4, through four-way change-over valve 5, the cold-producing medium of High Temperature High Pressure is exported, there is provided power for kind of refrigeration cycle, thus realize compression, condensation (heat release), the kind of refrigeration cycle of evaporation (heat absorption).
In above-described embodiment one, it is preferable that arrange a wet-film humidifying module 3 at air-supply passage A, this wet-film humidifying module 3 is closed under cooling condition, opens under heating condition.Under heating condition, outdoor is distinguished and admirable after First Heat Exchanger 1 (making condenser to use), passes through wet-film humidifying module 3, after making air humidity promote, meets the humidity requirement of indoor further, finally sent into indoor by pressure fan 13.
In above-described embodiment one, it is preferable that connect one for controlling the electromagnetic valve 9 that its path opens and closes at reheating condenser 2.Under cooling condition, electromagnetic valve 9 is in opening, and the path of such reheating condenser 2 is opened, and reheating condenser 2 is operated;And under heating condition, electromagnetic valve 9 is in cut out, by the path blockade of reheating condenser 2, reheating condenser 2 quits work.
In above-described embodiment one, it is preferable that the input at reheating condenser 2 connects a check valve 8, cold-producing medium can be efficiently controlled by the check valve 8 arranged and flow to outfan from the input of reheating condenser 2.
On the basis of above-described embodiment one, it is preferable that the first electric expansion valve the 10, the 3rd electric expansion valve 12 is set between First Heat Exchanger 1 and reheating condenser 2;And the second electric expansion valve the 11, the 3rd electric expansion valve 12 is set between First Heat Exchanger 1 and auxiliary condenser 6.So under cooling condition, first electric expansion valve 10 is opened and is passed through the amount of heat again of its size extent control reheating condenser 2 opened, now, second electric expansion valve 11 standard-sized sheet, and the 3rd electric expansion valve 12 is opened and passes through the degree of superheat of its size extent control whole fresh air dehumidification unit opened.And under heating condition, the first electric expansion valve 10 is closed, the degree of superheat of its size extent control whole fresh air dehumidification unit opened is opened and passed through to the second electric expansion valve 11, and now, the 3rd electric expansion valve 12 is standard-sized sheet.
This utility model additionally provides a kind of air conditioning method, and it applies fresh air dehumidification unit as the aforementioned.
In the embodiment one of the method for this utility model air regulation, its method includes: under cooling condition, cooled dehumidifying after the outdoor wind First Heat Exchanger 1 through using as vaporizer, is sent into indoor by pressure fan 13 after being heated by reheating condenser 2;And heat up after the second heat exchanger 7 that indoor wind is used as condenser and by exhaust blower 14 discharge chamber, wherein, auxiliary condenser 6 carries out auxiliary condensation to the second heat exchanger 7, enhances the condensation effect to indoor wind.
Under heating condition, heat up after the outdoor wind First Heat Exchanger 1 through using as condenser and sent into indoor by pressure fan 13;And lower the temperature and by exhaust blower 14 discharge chamber after the wind the second heat exchanger 7 through using as vaporizer of indoor.
On the basis of the embodiment one of the method for air regulation, it is preferable that again under heating condition, the outdoor wind First Heat Exchanger 1 through using as vaporizer heats up, and further carries out adding wet process so that it is be admitted to indoor after meeting indoor humidity requirement.
It should be noted that, above-described embodiment all can independent assortment as required.The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (5)

1. the fresh air dehumidification unit of the many condensers of single evaporator, it is characterised in that including:
The air-supply passage of outdoor wind, the air exhaust passage of indoor wind;
At described air-supply passage, the flow direction along wind direction is sequentially provided with: have condensation and the First Heat Exchanger of vaporization function, again reheater condenser, pressure fan concurrently;
At described air exhaust passage, the flow direction along wind direction is sequentially provided with: have condensation and the second heat exchanger of vaporization function, exhaust blower concurrently;
Described second heat exchanger connects an auxiliary condenser further, and described auxiliary condenser is arranged in the off-premises station of described fresh air dehumidification unit;
Under cooling condition, described First Heat Exchanger is made vaporizer and is used, and described second heat exchanger is made condenser and used, and described reheater condenser again and described auxiliary condenser are all opened;In described air-supply passage, cooled dehumidifying after the outdoor distinguished and admirable described First Heat Exchanger through using as vaporizer, after flow through described in send into after reheater condenser is heated more indoor;In described air exhaust passage, indoor are distinguished and admirable heats up after described second heat exchanger used as condenser and discharges indoor;Wherein, described auxiliary condenser carries out auxiliary condensation to described second heat exchanger;
Under heating condition, described First Heat Exchanger is made condenser and is used, and described second heat exchanger is made vaporizer and used, and described reheater condenser again and described auxiliary condenser are turned off;In described air-supply passage, heat up after the outdoor distinguished and admirable described First Heat Exchanger through using as condenser and be admitted to indoor;In described air exhaust passage, indoor are distinguished and admirable to lower the temperature after described second heat exchanger used as vaporizer and discharges indoor.
The fresh air dehumidification unit of the many condensers of single evaporator the most according to claim 1, it is characterised in that:
Arranging a wet-film humidifying module at described air-supply passage further, it is closed under cooling condition, opens under heating condition;
Under heating condition, outdoor distinguished and admirable after described First Heat Exchanger, pass through described wet-film humidifying module humidified after send into indoor.
The fresh air dehumidification unit of the many condensers of single evaporator the most according to claim 1, it is characterised in that:
Described reheating condenser connects one for controlling the electromagnetic valve that its path opens and closes;
Under cooling condition, described electromagnetic valve is opened, and the path of described reheater condenser again is opened;
Under heating condition, described closed electromagnetic valve, the path blockade of described reheater condenser again.
The fresh air dehumidification unit of the many condensers of single evaporator the most according to claim 1, it is characterised in that:
The input of described reheater condenser again connects a check valve, flows to outfan for controlling cold-producing medium from the input of described reheater condenser again.
5. according to the fresh air dehumidification unit of the arbitrary described many condensers of single evaporator of claim 1-4, it is characterised in that:
The first electric expansion valve, the 3rd electric expansion valve it is provided with between described First Heat Exchanger and described reheater condenser again;
The second electric expansion valve, the 3rd electric expansion valve it is provided with between described First Heat Exchanger and described auxiliary condenser;
Under cooling condition, the amount of heat again of reheater condenser again described in its size extent control opened is opened and passed through to described first electric expansion valve, described second electric expansion valve standard-sized sheet, the degree of superheat of its size extent control whole fresh air dehumidification unit opened is opened and passed through to described 3rd electric expansion valve;
Under heating condition, described first electric expansion valve is closed, and the degree of superheat of its size extent control whole fresh air dehumidification unit opened, described 3rd electric expansion valve standard-sized sheet are opened and passed through to described second electric expansion valve.
CN201620211402.0U 2016-03-18 2016-03-18 Fresh air dehumidification unit of many condensers of single evaporimeter Active CN205425262U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105627479A (en) * 2016-03-18 2016-06-01 上海朗绿建筑科技有限公司 Single-evaporator multi-condenser fresh air dehumidification unit and air conditioning method
CN106642448A (en) * 2016-10-19 2017-05-10 上海朗绿建筑科技股份有限公司 Ultra-efficient direct expansion heat recovery type dehumidification fresh air machine
CN109341121A (en) * 2018-11-16 2019-02-15 珠海格力电器股份有限公司 A kind of refrigeration system and control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105627479A (en) * 2016-03-18 2016-06-01 上海朗绿建筑科技有限公司 Single-evaporator multi-condenser fresh air dehumidification unit and air conditioning method
CN106642448A (en) * 2016-10-19 2017-05-10 上海朗绿建筑科技股份有限公司 Ultra-efficient direct expansion heat recovery type dehumidification fresh air machine
CN109341121A (en) * 2018-11-16 2019-02-15 珠海格力电器股份有限公司 A kind of refrigeration system and control method

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Address after: 200131 room 3E-2030, Pudong Avenue, Pudong New Area Free Trade Zone, Shanghai, China, 2123

Patentee after: Shanghai green building Polytron Technologies Inc

Address before: 200131 room 3E-2030, Pudong Avenue, Pudong New Area Free Trade Zone, Shanghai, China, 2123

Patentee before: Shanghai Lang Lv building technology company limited