CN207350664U - One kind humidification filtering integral Fresh air handling units - Google Patents

One kind humidification filtering integral Fresh air handling units Download PDF

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CN207350664U
CN207350664U CN201720292544.9U CN201720292544U CN207350664U CN 207350664 U CN207350664 U CN 207350664U CN 201720292544 U CN201720292544 U CN 201720292544U CN 207350664 U CN207350664 U CN 207350664U
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fresh air
water
expansion valve
handling units
air handling
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卜根
纪学峰
罗文�
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Nanjing Wisdom Building Technology Co Ltd
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Nanjing Wisdom Building Technology Co Ltd
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Abstract

The utility model discloses a kind of humidification filtering integral Fresh air handling units, including the refrigerant-cycle systems, water cooling system and fresh air system being arranged on housing, the fresh air system includes fresh inlet, filtration apparatus, precooling preheating coil pipe, evaporator, condensation hot coil, humidifier and pressure fan again;The fresh inlet is connected with filtration apparatus;The filtration apparatus is connected with precooling preheating coil pipe;The precooling preheating coil pipe is connected with evaporator;The evaporator is connected with condensing again hot coil;Hot coil is connected with humidifier again for the condensation;Hot coil is connected with pressure fan again for the condensation.The utility model unit is equipped with precooling preheating coil pipe, condensation hot coil and filtration apparatus and humidifier again, fresh air can be filtered, damping and temperature adjustment, the filtering of union fresh air, the processing of fresh air Temperature Treatment, new wind moisture are integrated, using integrated structure design, reduce equipment volume, save installation space, cost is reduced, the economic benefit that can have been produced.

Description

One kind humidification filtering integral Fresh air handling units
Technical field
The utility model belongs to air-conditioning equipment field, and in particular to one kind humidification filtering integral Fresh air handling units.
Background technology
In recent years, with the raising of people's material lifes, concern of the people to indoor environment is higher and higher, particularly room Interior air quality and comfort level.Air-conditioning system development is swift and violent.Common practice is to use 7 degree of cold water carry out tables currently on the market Cold dehumidifying, without reheating, fresh air dehumidification is highly dependent on water temperature, and effect on moisture extraction is undesirable, unstable.And festival-gathering goes out in rainy season Now while dehumidifying, fresh air wind pushing temperature is too low, and human body sensory is uncomfortable.In winter, do not humidify, and indoor humidity is relatively low.
Chinese patent literature CN203928223U discloses a kind of family formula Fresh air handling units, using the water meter cooler that market is universal Dehumidify with the mode that condenser is combined, water system includes electric T-shaped valve, electric T-shaped valve, fluorine water- to-water heat exchanger, water meter Cooler, throttle valve, its water system is complicated, and equipment volume is larger, and in addition the adjustment control of fresh air temperature and humidity is inconvenient.
Utility model content
Purpose of utility model:In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of collection fresh air The humidification filtering integral Fresh air handling units that filtering, the processing of fresh air Temperature Treatment, new wind moisture are integrated.
In order to realize above-mentioned purpose of utility model, the technical solution adopted in the utility model is as follows:
One kind humidification filtering integral Fresh air handling units, including be arranged on housing refrigerant-cycle systems, water cooling system System and fresh air system, the fresh air system include fresh inlet, filtration apparatus, precooling preheating coil pipe, evaporator, condensation hot plate again Pipe, humidifier and pressure fan;The fresh inlet is connected with filtration apparatus;The filtration apparatus preheats coil pipe phase with precooling Even;The precooling preheating coil pipe is connected with evaporator;The evaporator is connected with condensing again hot coil;The condensation is again Hot coil is connected with humidifier;Hot coil is connected with pressure fan again for the condensation.
The refrigerant-cycle systems include compressor, water-freon heat exchanger, expansion valve X, again evaporator, hot coil With expansion valve Y;Wherein, series connection forms a circuit from beginning to end successively for compressor, water-freon heat exchanger, expansion valve X, evaporator; Series connection forms another circuit from beginning to end successively for compressor, again hot coil, expansion valve Y, expansion valve X, evaporator.
The water cooling system includes water-freon heat exchanger, water inlet, water outlet and precooling preheating coil pipe, cooling water It is divided into two-way after water inlet entrance, is discharged after flowing through water-freon heat exchanger all the way from water outlet, it is pre- that another way flows through precooling Discharged after hot coil from water outlet.
The fresh inlet is arranged on the right side of housing, and blower setting is set on the left of housing in the side of pressure fan Compressor.
The expansion valve X and expansion valve Y are electric expansion valve, and aperture is adjustable.
Wind pushing temperature sensor and blasting humidity sensor are set in the housing, the temperature sensor and humidity pass Sensor is connected with the controller of peripheral hardware, and controller is carried out by the parameter collected to temperature sensor and humidity sensor Calculate, send regulating command to electric expansion valve, drive the action of electric expansion valve, change the aperture of electric expansion valve, so that Adjust the temperature and humidity of Fresh air handling units air-supply.
The humidifier is wet-membrane humidifier.
The filtration apparatus includes the primary efficient filter screen and high efficiency particulate air set from air inlet to air outlet direction.
Condensate water discharging mouth is equipped with the lower housing portion;The water inlet and water outlet are arranged on the outside of housing.
The housing is double-deck sheet metal structural.
Beneficial effect:Compared with prior art, the humidification filtering integral Fresh air handling units of the utility model, increase in the unit Precooling preheating coil pipe and condensation hot coil again are added so that the temperature and humidity of fresh air becomes to adjust.In fresh air system Filtration apparatus and humidifier are set, fresh air can be filtered and humidified.Meanwhile unit collection fresh air filtering, new wind-warm syndrome Degree processing, the processing of new wind moisture are integrated, and using integrated structure design, are reduced equipment volume, are saved installation space, reduce into This, the economic benefit and social effect that can have been produced.
Brief description of the drawings
Fig. 1 is humidification filtering integral Fresh air handling units schematic diagram of refrigerating;
Fig. 2 is humidification filtering integral Fresh air handling units structure diagram;
Fig. 3 is humidification filtering integral Fresh air handling units top view;
Fig. 4 is humidification filtering integral Fresh air handling units left view.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is furtherd elucidate, the present embodiment is with the utility model Implemented under premised on technical solution, it should be understood that these embodiments are merely to illustrate the utility model rather than limit this reality With new scope.
As depicted in figs. 1 and 2, the humidification filtering integral Fresh air handling units of the utility model, by refrigerant-cycle systems, Three systems of water cooling system and fresh air system are formed, and main structural components include compressor 1, water-freon heat exchanger 2, swollen Swollen valve X 3, evaporator 4, reheating coil pipe 5, expansion valve Y 6, water inlet 7, water outlet 8, filtration apparatus 9, precooling preheating coil pipe 10, Humidifier 11, pressure fan 12, wind pushing temperature sensor 13, blasting humidity sensor 14, condensate water discharging mouth 15, fresh inlet 16 And housing 17.Wherein, fresh inlet 16 is arranged on the right side of unit, and pressure fan 12 is arranged on the left side of housing 17, fresh inlet 16 Filtration apparatus 9, precooling preheating coil pipe 10, evaporator 4, condensation reheating coil pipe 5 and humidification are disposed between pressure fan 12 Device 11, compressor 1 are arranged on 12 side of pressure fan.Compressor 1 is frequency-changeable compressor.Expansion valve X 3 and expansion valve Y 6 is electronics Expansion valve.Humidifier 7 is wet-membrane humidifier.Filtration apparatus 9 includes primary efficient filter screen 91 and high efficiency particulate air 92.Housing 17 is double Layer sheet metal structural.
Refrigerant-cycle systems include two circuits, and one is returned compressors 1, water-freon heat exchanger 2, expansion valve X 3rd, head and the tail series connection is formed evaporator 4 successively;Another time compressors 1, reheating coil pipe 5, expansion valve Y 6, expansion valve X 3, steaming Sending out device 4, head and the tail series connection is formed successively;The expansion valve X 3 and 6 apertures of expansion valve Y are adjustable.
The cooling water of water cooling system is divided into two-way after the entrance of water inlet 7, after flowing through water-freon heat exchanger 2 all the way Discharged from water outlet 8, another way is discharged after flowing through precooling preheating coil pipe 10 from water outlet 8;The air of fresh air system from fresh air into Mouthfuls 16 enter after pass sequentially through filtration apparatus 9, precooling preheating coil pipe 10, evaporator 4, condensation reheating coil pipe 5, humidifier 11, give Wind turbine 12 is to air outlet.
Wind pushing temperature sensor 13 and blasting humidity sensor 14 are located in housing 17, by controller to temperature sensor 13 Data acquisition with humidity sensor 14 calculates, and sends regulating command to electric expansion valve, drives the action of electric expansion valve, change Become the aperture of electric expansion valve, so as to adjust the temperature and humidity of Fresh air handling units air-supply.Electric expansion valve is by controller, actuator Formed with sensor three parts, the hardcore of electronic expansion valve controller is microcontroller, and controller generally uses multimachine cascade Form, the control functions such as the frequency conversion of compressor and wind turbine, actuator, that is, controllable driving device and valve body can be completed at the same time, electricity The sensor generally use thermoelectricity occasionally thermal resistance of sub- expansion valve.The type of drive of electric expansion valve is that controller passes through to sensing The parameter that device collects is calculated, and regulating command is sent to driving device, and electricity is exported from driving device to electric expansion valve Signal, drives the action of electric expansion valve.Electric expansion valve is only needed several seconds to its used time of full-gear from fully closed, reaction and dynamic It is fast to make speed, there is no static degree of superheat phenomenon, and closing characteristic and speed can be manually set.
Humidifier 7 is wet-membrane humidifier, is mainly made of wet film, and the organic wet film of wet film species, inorganic glass fiber are wet Film, metal aluminum alloy wet film and metal stainless steel wet film.The core component of humidifier humidifies system is evaporation medium-Celdek, Its material is made of plant fiber or glass fibre add special chemical raw material, has good hygroscopicity and wet stiffening property. When dry wind is by wet film material, dry air has the contact of larger area with the moisture membrane surface of moistening, so as to reach Larger water evaporation quantity.A large number of water molecules is sent into the space that need to be humidified with the wind, makes the humidity of air increase, so as to reach humidification Purpose.The advantages of wet-membrane humidifier:Wet-membrane humidifier humidification saves the volume of Fresh air handling units, intensity is high, corrosion resistant apart from short Erosion, long lifespan;Noise is reduced, is safeguarded, easy maintenance, operating cost is low;With good cooling-down effect.
Primary efficient filter screen 91 and high efficiency particulate air 92 are set gradually from air inlet to air outlet direction, and the utility model uses 92 twice filter screen of primary efficient filter screen 91 and high efficiency particulate air so that dust, particle in fresh air are effectively filtered, and raising is sent The cleannes of wind.Primary efficient filter screen is mainly used for 5 μm of filtering with dust particles, there is board-like, collapsible, three kinds of patterns of pocket type, Outer frame material has paper frame, aluminium frame, zinc-plated iron frame, and filtering material has non-woven fabrics, nylon wire, activated carbon filter material, metal hole pattern etc., prevents Protecting wire net has two-sided plastic-spraying wire netting and double side zinc coating wire netting.High efficiency particulate air is right >=and the filter efficiency of 0.3 μm of particle exists More than 99.99%, high efficiency filter material is glass fiber filter paper, and outline border is aluminium alloy (galvanized sheet), and separator is hot melt adhesive, Fluid sealant is polyurethane.Non-inductive windings high efficiency particulate air is made of the efficient filtrate of glass fiber filter paper or PP of water proof fire retardant, is being gone out Wind face can be equipped with the mask net of plastic-spraying, to protect filter paper not to be destroyed.Light-weight, the design of compact renders it susceptible to install In open-type box body, fan filter unit and clean bench, outline border is aluminium alloy extrusions, stainless steel plate or galvanized sheet, uses ring Polyurethane sealant is protected to be sealed to form.
Condensate water discharging mouth 15 is set in 17 lower part of housing, since Fresh air handling units can produce under dehumidifying and cooling condition Condensed water, condensed water can be low on lower housing shell with equipment, such as discharge not in time, lower part ponding may result in wire short-circuiting, Influence compressor operating etc..Condensate water discharging mouth is set in lower housing portion, in time can be discharged the ponding on lower housing shell.
The housing 17 of double-deck sheet metal structural, in compressor and fan operation, can produce noise, and housing design is into double-deck metal plate Golden structure, can mitigate the pollution of NOISE ON ENVIRONMENT.
Water inlet 7 and water outlet 8 are arranged on the outside of casing 17.Loosened screw, gasket often occurs in waterpipe jointing Phenomena such as aging, causes leak, and 7 water outlet 8 of water inlet is put in the outside of housing, can in time be found if any leak, avoid water from spraying Go out and equipment is impacted;In addition, water inlet 7 and water outlet 8 put in hull outside also have the advantages that it is easy for installation.
The utility model adds precooling preheating coil pipe and condensation hot coil again in blower fan group so that the temperature of fresh air and Humidity becomes to adjust.It is preliminary to cool down after fresh air preheats coil pipe by precooling under dehumidifying or cooling condition, in fresh air Part vapor produces condensate, and then declines the humidity in fresh air, and when by evaporator, the temperature of wind further reduces, Humidity further declines so that effect on moisture extraction is more notable, even if under wet weather, also ensures that dehumidification function effect is shown Write.Wind after dehumidifying heats when again passing by condensation reheating coil pipe, and dehumidifying is adjusted by adjusting the aperture of electronic expansion device The temperature of air.When in humidity sombre weather, blower fan group can make one to feel to the suitable air of indoor input drying temperature Feel comfortable.Under heating cycle, after can first being heated with precooling preheating coil pipe to fresh air, then by evaporator and hot plate again is condensed With suitable temperature during pipe, mitigate temperature shock to evaporator and the influence for condensing again hot coil, extend evaporator and condensation The service life of hot coil again.Humidifier is opened while heating so that room air becomes suitable.
The Fresh air handling units at work, there is following Three models:
Summer mode:
Exterior water supply loop:Water inlet-freon heat exchanger all the way, the condensation heat band that the circulation of compressor freon is produced Walk;Enter desuperheating coil all the way, for carrying out precooling cooling processing to outdoor fresh air;
Internal freon circulation:The high temperature and high pressure gas that compressor comes out, pass through copper pipe and water-freon heat exchanger all the way It is connected, high temperature and high pressure gas are carried out by becoming low temperature high pressure gas after water-freon heat exchanger heat exchange by expansion valve X Enter evaporator evaporation endothermic after throttling, be then return to compressor.Another way is connected by copper pipe with condensing again hot coil, is compressed The another way high temperature and high pressure gas that machine comes out enter condensation hot coil again, and carrying out heat exchange with fresh air becomes low temperature high pressure gas, Enter evaporator after being throttled by expansion valve Y, X to absorb heat, return to compressor and compress circulation again.
Fresh air is moved towards:After fresh air enters air inlet, primary efficient filter screen is first passed around, sub- high efficiency particulate air carries out particulate matter mistake Filter.Then cooled down for the first time by desuperheating coil, then by evaporator carry out depth dehumidifying, then by condensation again hot coil into Row heating, is finally sent into indoor by wind turbine.The humidity of fresh air air-supply can be carried out by the aperture of compressor frequency and expansion valve X Adjust, the temperature of air-supply is adjusted by the aperture of expansion valve Y.Ensure that being sent into indoor aerial temperature and humidity stablizes, while While yellow plum day can ensure humidity, fresh air is heated by condensing again hot coil, allow be sent into indoor air keep compared with High temperature, avoids the problem that dehumidifying wind pushing temperature is too low.
Spring and autumn pattern:
Spring and autumn transition season only blows in machine, and compressor cycle is closed, and only carries out filtration treatment to fresh air, reduces energy consumption.
Winter mode:
Winter only opens wind turbine, precooling preheating coil pipe, wet-membrane humidifier.Fresh air is filtered by strainer, passes through preheating Coil pipe heated up, humidified by wet-membrane humidifier after be sent into it is indoor.The indoor air themperature of guarantee feeding is comfortable, humidity Suitably.
In conclusion the utility model integrates fresh air filtering, the processing of fresh air Temperature Treatment, new wind moisture, using one Body structure design, reduces equipment volume, saves installation space.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (10)

1. one kind humidification filtering integral Fresh air handling units, including be arranged on housing (17) refrigerant-cycle systems, water cooling System and fresh air system, it is characterised in that:The fresh air system includes fresh inlet (16), filtration apparatus (9), precooling preheating plate Manage (10), evaporator (4), condensation hot coil (5), humidifier (11) and pressure fan (12) again;The fresh inlet (16) with Filtration apparatus (9) is connected;The filtration apparatus (9) is connected with precooling preheating coil pipe (10);The precooling preheating coil pipe (10) it is connected with evaporator (4);The evaporator (4) is connected with condensing again hot coil (5);Condensation hot coil again (5) it is connected with humidifier (11);Hot coil (5) is connected with pressure fan (12) again for the condensation.
2. humidification filtering integral Fresh air handling units according to claim 1, it is characterised in that:The refrigerant-cycle systems Including compressor (1), water-freon heat exchanger (2), expansion valve X (3), again evaporator (4), hot coil (5) and expansion valve Y (6);Wherein, head and the tail series connection forms one successively for compressor (1), water-freon heat exchanger (2), expansion valve X (3), evaporator (4) A circuit;Head and the tail series connection is formed successively for compressor (1), again hot coil (5), expansion valve Y (6), expansion valve X (3), evaporator (4) Another circuit.
3. humidification filtering integral Fresh air handling units according to claim 1, it is characterised in that:The water cooling system includes Water-freon heat exchanger (2), water inlet (7), water outlet (8) and precooling preheating coil pipe (10), cooling water from water inlet (7) into It is divided into two-way after entering, is discharged after flowing through water-freon heat exchanger (2) all the way from water outlet (8), another way flows through precooling preheating plate Discharged after managing (10) from water outlet (8).
4. humidification filtering integral Fresh air handling units according to claim 1, it is characterised in that:The fresh inlet (16) It is arranged on the right side of housing (17), pressure fan (12) is arranged on the left of housing (17), and compressor is set in the side of pressure fan (12) (1)。
5. humidification filtering integral Fresh air handling units according to claim 2, it is characterised in that:The expansion valve X (3) and swollen Swollen valve Y (6) is electric expansion valve, and aperture is adjustable.
6. humidification filtering integral Fresh air handling units according to claim 1, it is characterised in that:In the housing (17) If wind pushing temperature sensor (13) and blasting humidity sensor (14), the temperature sensor (13) and humidity sensor (14) and The controller of peripheral hardware is connected, controller by the parameter that temperature sensor (13) and humidity sensor (14) collect into Row calculates, and sends regulating command to electric expansion valve, drives the action of electric expansion valve, changes the aperture of electric expansion valve, from And adjust the temperature and humidity of Fresh air handling units air-supply.
7. humidification filtering integral Fresh air handling units according to claim 1, it is characterised in that:The humidifier (11) is Wet-membrane humidifier.
8. humidification filtering integral Fresh air handling units according to claim 1, it is characterised in that:Filtration apparatus (9) bag Include the primary efficient filter screen (91) and high efficiency particulate air (92) set from air inlet to air outlet direction.
9. humidification filtering integral Fresh air handling units according to claim 3, it is characterised in that:Under the housing (17) Portion is equipped with condensate water discharging mouth (15);The water inlet (7) and water outlet (8) are arranged on the outside of housing (17).
10. humidification filtering integral Fresh air handling units according to claim 1, it is characterised in that:The housing (17) is double Layer sheet metal structural.
CN201720292544.9U 2017-03-23 2017-03-23 One kind humidification filtering integral Fresh air handling units Active CN207350664U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109612011A (en) * 2018-12-10 2019-04-12 广东美的制冷设备有限公司 Control method, device and the fresh air system of fresh air system
CN109612010A (en) * 2018-12-10 2019-04-12 广东美的制冷设备有限公司 Control method, device and the fresh air system of fresh air system
CN114413526A (en) * 2022-01-20 2022-04-29 平顶山天安煤业股份有限公司 Refrigeration method and control device of refrigeration system and compression refrigeration system
CN115127174A (en) * 2022-07-04 2022-09-30 南通华信中央空调有限公司 Fresh air system with single-channel airflow and dehumidification function and control method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109612011A (en) * 2018-12-10 2019-04-12 广东美的制冷设备有限公司 Control method, device and the fresh air system of fresh air system
CN109612010A (en) * 2018-12-10 2019-04-12 广东美的制冷设备有限公司 Control method, device and the fresh air system of fresh air system
CN109612011B (en) * 2018-12-10 2021-06-18 广东美的制冷设备有限公司 Control method and device of fresh air system and fresh air system
CN114413526A (en) * 2022-01-20 2022-04-29 平顶山天安煤业股份有限公司 Refrigeration method and control device of refrigeration system and compression refrigeration system
CN115127174A (en) * 2022-07-04 2022-09-30 南通华信中央空调有限公司 Fresh air system with single-channel airflow and dehumidification function and control method

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