CN103900181B - A kind of family formula Fresh air handling units - Google Patents

A kind of family formula Fresh air handling units Download PDF

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Publication number
CN103900181B
CN103900181B CN201410154467.1A CN201410154467A CN103900181B CN 103900181 B CN103900181 B CN 103900181B CN 201410154467 A CN201410154467 A CN 201410154467A CN 103900181 B CN103900181 B CN 103900181B
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China
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fresh air
air
handling units
water
air handling
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CN103900181A (en
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李世镜
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Zhongan Ruili (Beijing) Technology Co., Ltd.
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李国胜
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Abstract

The invention discloses a kind of family formula Fresh air handling units, the problems such as cannot effectively filtering PM2.5, leaving air temp, unadjustable water capacity in the prior art is solved.The novel household formula Fresh air handling units include outdoor air air inlet, fresh air outlet, room air import, exhaust outlet, PM2.5 filters, heat regenerator, return air filter, water meter cooler, the evaporator of compressor, the condenser of compressor, regulating three-way valve, choke valve, pressure fan, exhaust blower, controller, electric bypass air composition.The method that the device uses compressor having internally mounted sweat cooling, coordinate water-cooled surface cooler and condenser carries out depth dehumidifying and temperature adjustment to the moist fresh air for entering unit, being linked by humiture detector and electric bypass air prevents heat recovery module frosting, it is ensured that the humidity of new blower fan air-out, temperature stabilization is adjustable.The processing method of a kind of reliability and energy-conservation is provided for independent temperature-humidity control adjustable system.The blower fan can be used for green building, meet the use standard of green building.

Description

A kind of family formula Fresh air handling units
Technical field
The present invention relates to Fresh air handling units field.
Background technology
The Fresh air handling units of prior art all do not use PM2.5 filters, and double low-temperature receiver technologies, heat recovery module is automatic Defrost technology, causes energy consumption excessive, heat recovery module frosting, it is impossible to effective to cross air filtering.
Therefore presence cannot cross degree of the PM2.5 values of air filtering to be up to state standards in the prior art.And cannot The heat of indoor exhaust air is made full use of, is subject to the problem of secondary utilization and automatic defrosting.
The content of the invention
In order to solve cannot to be crossed present in prior art degree of the PM2.5 values of air filtering to be up to state standards.With And the heat of indoor exhaust air cannot be made full use of, the problems such as be subject to secondary utilization, the present invention provides a kind of family formula Fresh air handling units and uses In the filtering of air, dehumidification treatments.Using the method for compressor having internally mounted sweat cooling, hydrous water surface cooler and condenser are to entering The moist fresh air of unit carries out depth dehumidifying and temperature adjustment, it is ensured that the moisture stable of new blower fan air-out is adjustable, air-out temperature Degree stablizes adjustable, and the humidity processing method of a kind of reliability and energy-conservation is provided for independent temperature-humidity control adjustable system.The blower fan can For green building, meet the use standard of green building.
The present invention discloses a kind of family formula Fresh air handling units, including controller, water system and wind system, the controller with it is described Water system is connected with the wind system, and the water system includes the first electric T-shaped valve, the second electric T-shaped valve, the heat exchange of fluorine water Device, water meter cooler, the wind system are bidirectional flow wind system, and the family formula Fresh air handling units include PM2.5 filters and recuperation of heat Device, the bidirectional flow wind system also includes return air air inlet, fresh air air inlet, return air exhaust outlet and fresh air air outlet, described time Wind air inlet, fresh air air inlet and return air exhaust outlet are arranged using homonymy;The family formula Fresh air handling units also include compressor, evaporation Device, condenser, choke valve, the fresh air air outlet is relative with the return air air inlet, fresh air air inlet and return air exhaust outlet Side arrangement;The water inlet pipe of the water system connects the water side-entrance of the fluorine water- to-water heat exchanger, the water of the fluorine water- to-water heat exchanger Side outlet is connected with first electric T-shaped valve and the water meter cooler successively, the outlet of the compressor and described second electricity The import connection of dynamic triple valve, the first outlet of second electric T-shaped valve connects with the fluorine side-entrance of the fluorine water- to-water heat exchanger Connect, the second outlet of second electric T-shaped valve is connected with the import of the condenser, the outlet of the condenser with it is described It is connected with the import of the choke valve after the fluorine side outlet connection of fluorine water- to-water heat exchanger, the outlet of the choke valve and the evaporator Import connection, the outlet of the evaporator is connected with the import of the compressor.
Preferably, the family formula Fresh air handling units also include return air filter, pressure fan, exhaust blower, air supply duct, air draft Pipeline, the evaporator of compressor, the condenser of compressor, carbon dioxide detector, hygrosensor, hygrosensor, low pressure Detector, high voltage detector, water temperature probe, dehumidifier.
In any of the above-described scheme preferably, the family formula Fresh air handling units include fresh air air inlet, pressure fan, pipeline, pressure The evaporator of contracting machine, the condenser of compressor, controller, fresh air air outlet, carbon dioxide detector, hygrosensor, humidity Detector, low voltage detector, high voltage detector, water temperature probe, dehumidifier.
In any of the above-described scheme preferably, return air filter described in the family formula Fresh air handling units of the bidirectional flow wind system It is connected with the return air air inlet.
In any of the above-described scheme preferably, the pressure fan is connected with the fresh air air outlet.
In any of the above-described scheme preferably, there is electric bypass air between the exhaust pipeline and air-supply pipeline, the electricity Dynamic bypass air-valve can automatically adjust the open degree of air-valve according to the situation of wind pushing temperature and humidity, to avoid heat recovery module from existing The frosting problem that Humid Area high and extremely frigid zones application occur.
In any of the above-described scheme preferably, the fresh air air inlet is connected with the PM2.5 filters.
In any of the above-described scheme preferably, the evaporator of the compressor includes condensate pipe.
In any of the above-described scheme preferably, the pressure fan is DC frequency-changing blower fan with the exhaust blower.
In any of the above-described scheme preferably, the compressor is frequency-changeable compressor or invariable frequency compressor.
In any of the above-described scheme preferably, the heat regenerator is board-like heat regenerator or rotary-type heat regenerator or two Person combines.
In any of the above-described scheme preferably, the fresh air air inlet, the return air air inlet, the return air exhaust outlet and Fresh air air outlet uses metal material or plastic material.
In any of the above-described scheme preferably, the plastic material includes ABS engineering plastics.
In any of the above-described scheme preferably, the PM2.5 filters use primary efficient filter screen and efficient or sub- efficient mistake Filter screen is combined, or only with efficient or sub- high efficiency particulate air, to ensure that PM2.5 filter efficiencies reach more than 90%.
In any of the above-described scheme preferably, first electric T-shaped valve and second electric T-shaped valve are ratio product Divide regulating three-way valve.
In any of the above-described scheme preferably, the proportional integral regulating three-way valve can as needed automatically adjust unlatching Degree.Be associated for the water meter cooler, the evaporator, the condenser by the proportional integral regulating three-way valve, the ratio Integral adjustment triple valve receives the instruction folding of the controller, and adjusting the water system is used for the water meter cooler, the steaming Hair device, the water of the heat exchange of the condenser, adjust the water meter cooler, the evaporator, the condenser to air at The temperature of reason, and feed back its operational factor to the controller.
In any of the above-described scheme preferably, the water system includes water circulation.
In any of the above-described scheme preferably, recirculated water used in water circulation water inlet is 15 DEG C of -22 DEG C of water, backwater It is 18 DEG C or 25 DEG C of water.
In any of the above-described scheme preferably, the fluorine water- to-water heat exchanger is changed using bushing type fluorine water- to-water heat exchanger or board-like fluorine water Hot device.
In any of the above-described scheme preferably, the controller uses PLC logic controls.
In any of the above-described scheme preferably, the water meter cooler uses the water meter cooler of 2-8 combs.
In any of the above-described scheme preferably, the row of the copper pipe of the evaporator is 2-8 rows.
In any of the above-described scheme preferably, the row of the copper pipe of the condenser is 2-8 rows.
In any of the above-described scheme preferably, the shell of the Fresh air handling units uses metal structure or plastic material or both With reference to.
In any of the above-described scheme preferably, when outdoor temperature humidity changes, the Fresh air handling units can be according to the ginseng of air intake The rotating speed of pressure fan described in number adjust automatically, so that residence time of the fresh air in the unit is controlled, so as to control described new The temperature and humidity of wind air outlet keeps stable state.
In any of the above-described scheme preferably, the heat discharged in the condenser, a part to fresh air for carrying out again Heat treatment, plays heat recovery energy-saving effect, and redundance is entered in water system by the fluorine water- to-water heat exchanger.
In any of the above-described scheme preferably, the compressor can be according to the parameter of fresh air and the air outlet parameter of setting Adjust automatically runs power, it is ensured that the fresh air temperature and humidity of the air outlet keeps stable state.
In any of the above-described scheme preferably, the heat regenerator is used to pass through the return air air intake when foul indoor air When mouth enters the Fresh air handling units, it is set to be carried out with the outdoor fresh air sent into by the fresh air air inlet by the heat regenerator Total heat exchange or Exchange of apparent heat.
In any of the above-described scheme preferably, the Total heat exchange refer to summer make to get in it is hot and humid new Wind carries out exchanging for temperature and humidity with the return air of indoor low temperature low humidity, and fresh air cooling wet down after exchange plays the role of energy-conservation; Winter makes the fresh air for getting in cold carry out exchanging for temperature and humidity with indoor warm return air, and fresh air heats up and adds after exchange It is wet, there is energy-conservation, the fresh air after the Total heat exchange dehumidifies or humidifies and meets indoor comfortable again into the Fresh air handling units Demand.
In any of the above-described scheme preferably, the Exchange of apparent heat refers to make the high temperature fresh air for getting in and room in summer The return air of interior low temperature enters the exchange of trip temperature, fresh air cooling after exchange, there is energy-conservation;Make to get in cold in the winter time Fresh air enters exchanging for trip temperature with indoor warm return air, and fresh air heats up after exchange, plays the role of energy-conservation, after the Exchange of apparent heat Fresh air dehumidify again or humidify into the Fresh air handling units demand for meeting indoor comfortable.
In any of the above-described scheme preferably, the Fresh air handling units use double low-temperature receiver technologies, i.e., using the water meter cooler It is combined with the evaporator, the water meter cooler is mainly used in system sensible heat load and part fresh air is negative as high temperature low-temperature receiver Lotus;The evaporator as low temperature cold source, for carrying out depth dehumidifying to fresh air.
In any of the above-described scheme preferably, the high temperature low-temperature receiver also includes artificial cold source or natural cooling source, the people Work low-temperature receiver includes using air-source or geographical heat pump, and the natural cooling source is including using underground water natural cold source.
In any of the above-described scheme preferably, described pair of cold source system ensures that fresh air is passed through first after entering the Fresh air handling units The High-temperature cooling coil pipe treatment of the high temperature low-temperature receiver is crossed, is then processed by the sub-cooled coil pipe of the low temperature cold source again.
In any of the above-described scheme preferably, the family formula Fresh air handling units also include humidifier, with the new blower fan of family formula Group is used separately, for hinterland.
In any of the above-described scheme preferably, communication module is installed on the humidifier, is connected with the Fresh air handling units.
In any of the above-described scheme preferably, the valve of the electric bypass air is electronic proportional integral regulating valve.
In any of the above-described scheme preferably, the electric bypass air can be opened according to air intake situation automatic decision and compared Example.
In any of the above-described scheme preferably, the family formula Fresh air handling units of the unidirectional stream wind system connect external frequency conversion air draft Machine.
In any of the above-described scheme preferably, the speed of service of the external frequency conversion exhaust blower is synchronous with the pressure fan.
In any of the above-described scheme preferably, the air draft of the external frequency conversion exhaust blower adjusts ratio model with the air quantity of air-supply It is 20-80% to enclose.
In any of the above-described scheme preferably, the PM2.5 filters are provided with for regularly replacing the alarm reminded dress Put.
The present invention coordinates water-cooled surface cooler and condenser to entering unit using the method for compressor having internally mounted sweat cooling Moist fresh air carries out depth dehumidifying and temperature adjustment, it is ensured that the moisture stable of new blower fan air-out is adjustable, air-out temperature stabilization It is adjustable.The humidity processing method of a kind of reliability and energy-conservation is provided for independent temperature-humidity control adjustable system.The blower fan can be used for green Color is built, and meets the use standard of green building.
Brief description of the drawings
Fig. 1 is according to a kind of structure of the novel fresh air unit of bidirectional flow wind system humidification dehumidifying integration of the invention Figure;
Fig. 2 is the structure chart of the family formula Fresh air handling units for according to the bidirectional flow wind system humidification dehumidifying of Fig. 1 of the invention separate;
Fig. 3 is the operation of the family formula Fresh air handling units according to the bidirectional flow wind system humidification dehumidifying integration of Fig. 1 of the invention Schematic diagram;
Fig. 4 is that the operation of the family formula Fresh air handling units for according to the bidirectional flow wind system humidification dehumidifying of Fig. 1 of the invention separate is shown It is intended to;
Fig. 5 is to circulate schematic diagram according to the water system of the family formula Fresh air handling units of Fig. 1 of the invention;
Fig. 6 is the structure of the family formula Fresh air handling units according to the unidirectional stream wind system humidification dehumidifying integration of Fig. 1 of the invention Figure;
Fig. 7 is the structure chart of the family formula Fresh air handling units for according to the unidirectional stream wind system humidification dehumidifying of Fig. 1 of the invention separate;
Fig. 8 is the operation of the family formula Fresh air handling units according to the unidirectional stream wind system humidification dehumidifying integration of Fig. 1 of the invention Schematic diagram;
Fig. 9 is that the operation of the family formula Fresh air handling units for according to the unidirectional stream wind system humidification dehumidifying of Fig. 1 of the invention separate is shown It is intended to.
Wherein, 21 is hygrosensor, and 22 is hygrosensor, and 1 is return air filter, and 2 is return air air inlet, and 3 are PM2.5 filters, 4 is fresh air air inlet, and 5 is return air exhaust outlet, and 6 is gas concentration lwevel detector, and 7 is exhaust blower, and 8 is the One electric T-shaped valve, 9 is low pressure sensor, and 10 is compressor, and 11 is high pressure sensor, and 12 is choke valve, and 13 is second electronic Triple valve, 14 is humidifier, and 15 is PM2.5 filters, and 16 is fluorine water- to-water heat exchanger, and 17 is water temperature probe, and 18 detect for PM2.5 Device, 19 is fresh air air outlet, and 20 is pressure fan, and 23 is controller, and 24 is condenser, and 25 is evaporator, and 26 is condensate pipe, 27 It is water meter cooler, 28 is heat regenerator, and 29 is outdoor exhaust blower, and 30 is outdoor exhaust outlet.
Specific embodiment
The present invention is in order to solve cannot to be crossed present in prior art degree of the PM values of air filtering to be up to state standards. And the heat of indoor exhaust air cannot be made full use of, the problems such as be subject to secondary utilization, the present invention provides a kind of novel fresh air unit, For the filtering of air, dehumidification treatments.Using the method for compressor having internally mounted sweat cooling, hydrous water surface cooler and condenser are to entering The moist fresh air for entering unit carries out depth dehumidifying and temperature adjustment, it is ensured that the moisture stable of new blower fan air-out is adjustable, air-out Temperature stabilization is adjustable.The humidity processing method of a kind of reliability and energy-conservation is provided for independent temperature-humidity control adjustable system.The blower fan Can be used for green building, meet the use standard of green building.
Embodiment 1:
It is specific in more detail below in conjunction with the accompanying drawings to explain one according to of the invention in order to become apparent from the complete explanation present invention Specific embodiment, a kind of family formula Fresh air handling units.
As shown in Fig. 1 of the present invention, the present invention discloses a kind of new blower fan of family formula of bidirectional flow wind system humidification dehumidifying integration Group, including controller, water system and wind system, the controller are connected with the water system and the wind system, the water System includes the first electric T-shaped valve 8, the second electric T-shaped valve 13, fluorine water- to-water heat exchanger, water meter cooler, and the wind system is two-way Stream wind system, the family formula Fresh air handling units include PM2.5 filters and heat regenerator, and the bidirectional flow wind system also includes return air Air inlet, fresh air air inlet, return air exhaust outlet and fresh air air outlet, the return air air inlet, fresh air air inlet and return air air draft Mouth is using homonymy arrangement;The family formula Fresh air handling units also include compressor, evaporator, condenser, choke valve, the fresh air air-out Mouthful with the return air air inlet, fresh air air inlet and return air exhaust outlet it is relative side arrangement, the water inlet pipe of the water system Connect the water side-entrance of the fluorine water- to-water heat exchanger, the water side outlet of the fluorine water- to-water heat exchanger successively with first electric T-shaped valve Connected with the water meter cooler, the outlet of the compressor is connected with the import of second electric T-shaped valve, second electricity The first outlet of dynamic triple valve is connected with the fluorine side-entrance of the fluorine water- to-water heat exchanger, the second outlet of second electric T-shaped valve Import with the condenser is connected, the outlet of the condenser be connected with the fluorine side outlet of the fluorine water- to-water heat exchanger after with it is described The import connection of choke valve, the outlet of the choke valve is connected with the import of the evaporator, the outlet of the evaporator and institute State the import connection of compressor.
The evaporator of the compressor includes condensate pipe.The pressure fan is DC frequency-changing wind with the exhaust blower Machine.The compressor is frequency-changeable compressor or invariable frequency compressor.The heat regenerator is that board-like heat regenerator or rotary-type heat are returned Device or both is received to combine.The fresh air air inlet, the return air air inlet, the return air exhaust outlet and fresh air air outlet are used Metal material or plastic material.The plastic material includes ABS engineering plastics.The PM2.5 filters use primary efficient filter screen Combined with efficient or sub- high efficiency particulate air, or only with efficient or sub- high efficiency particulate air, to ensure that PM2.5 filter efficiencies reach More than 80%.For example, the fresh air air inlet in novel fresh air unit installs primary efficient filter screen, in the air outlet of novel fresh air unit Medium air filtration net is installed, is confirmed by our many experiments, filter effect can effectively be improved using this filter method.Institute It is Intelligent three-way valve to state the first electric T-shaped valve 8 and second electric T-shaped valve 13.The Intelligent three-way valve can be as needed Automatically adjust open degree.Be associated for the water meter cooler, the evaporator, the condenser by the Intelligent three-way valve, described Intelligent three-way valve receives the instruction folding of the controller, adjust the water system be used for the water meter cooler, the evaporator, The water of the heat exchange of the condenser, adjusts the temperature of the water meter cooler, the evaporator, the condenser to air-treatment Degree, and feed back its operational factor to the controller.The water system includes water circulation.Circulation used in the water circulation Water water inlet is 15 DEG C of -22 DEG C of water, and backwater is 18 DEG C or 25 DEG C.The fluorine water- to-water heat exchanger uses bushing type fluorine water- to-water heat exchanger or board-like Fluorine water- to-water heat exchanger.The controller uses PLC logic controls.The water meter cooler uses the water meter cooler of 2-8 combs.The steaming The row of copper pipe of device is sent out for 2-8 is arranged.The row of the copper pipe of the condenser is arranged for 2-8.The shell of the Fresh air handling units is used Metal structure or plastic material or both are combined.
In hinterland, can also be integrated with novel fresh air unit using humidifier, humidifier is provided with communication module, Kept in touch with Fresh air handling units, the signal operation of Fresh air handling units can be received.
And in coastal area, because natural air is moistened, the moisture in air need not again carry out special wet operations, So being bundled without humidifier and Fresh air handling units, and arranged according to customer demand.
In very hot and pole cryogenic region, because open-air is larger with the room air temperature difference that Fresh air handling units are treated, therefore Using bidirectional flow Fresh air handling units, the effect of heat exchange is can guarantee that, so as to reach the purpose of energy-saving and emission-reduction.
And in the small area of the temperature difference, because the room air temperature difference that open-air is treated with Fresh air handling units is less, therefore adopt With unidirectional stream Fresh air handling units, so that cost-effective, reduction price.
Therefore, novel fresh air unit can be divided into four kinds of products according to different regions:Bidirectional flow is humidified and fresh air dehumidification one Body machine, bidirectional flow fresh air dehumidifier, unidirectional stream humidification and fresh air dehumidification all-in-one, unidirectionally flow fresh air dehumidifier.
Such as the fortune that Fig. 3 is the family formula Fresh air handling units according to the bidirectional flow wind system humidification dehumidifying integration of Fig. 1 of the invention Shown in row schematic diagram,
Outdoor fresh air is by after unit treatment, first passing through PM2.5 filters and being filtered, it is ensured that interior is sent to after filtering The content of fresh air PM2.5 can reach below every cubic metre of 75 micrograms, clean fresh air is changed into after filtering, then enter by water meter cooler Row precooling cool-down dehumidification, then deep cooling dehumidifying is carried out by the evaporator of compressor, then constant humidity intensification is carried out by condenser, then pass through Cross humidifier to be humidified, indoor, the indoor temperature and humidity stabilization of guarantee is sent into after eventually becoming the suitable fresh air of humiture It is constant.
The heat of the condenser discharge of compressor, for being heat-treated again to fresh air, a part is by fluorine water for a part Heat exchanger is entered in water system.
Foul indoor air enters Fresh air handling units by return air air inlet, is passed through with the outdoor fresh air of feeding by heat regenerator After crossing heat exchange, precooling cooling is carried out to room air, outdoor will be discharged by exhaust blower again after energy regenerating.
When outdoor temperature humidity changes, double-cold source fresh air handling unit can turning according to the parameter adjust automatically pressure fan of air intake Speed, so that residence time of the fresh air in unit is controlled, so as to control the temperature and humidity of fresh air air outlet to keep stable state.
When frequency-changeable compressor is configured, compressor can be according to the parameter of fresh air and the air outlet parameter adjust automatically of setting Operation power, it is ensured that the fresh air temperature and humidity of air outlet keeps stable state.
Summer outdoor fresh air is by after heat exchange, being conducive to energy saving of system while being conducive to improving effect on moisture extraction.Winter room Outer fresh air is by after heat exchange, being conducive to energy saving of system while being conducive to improving humidifying effect.
Embodiment 2:
The novel fresh air unit that more optimizedly a kind of bidirectional flow wind system humidification dehumidifying is separate.
It is illustrated in figure 2 according to the family formula Fresh air handling units of the bidirectional flow wind system humidification dehumidifying separation of Fig. 1 of the invention Structure chart:
On the basis of embodiment 1, humidifier is separated with Fresh air handling units, be used alone, user can be according to itself Need to determine.
In the novel fresh air unit that the humidification dehumidifying of bidirectional flow wind system is separate, one is set after fresh air exhaust outlet external independent Humidifier, PM2.5 filters are set at the rear portion of humidifier, and the PM2.5 filters are and new for efficiently or inferior high efficiency filter The rough filter of wind air inlet is combined and uses, and can reach guarantee PM2.5 filter efficiencies and reach more than 80%.
The fortune of the family formula Fresh air handling units for according to the bidirectional flow wind system humidification dehumidifying of Fig. 1 of the invention separate as shown in Figure 4 Row schematic diagram:
As different from Example 1, the nova in the humidification dehumidifying of the present embodiment bidirectional flow wind system separate exhales the new blower fan in city In group, fresh air needs humidification again by independent external humidifier by after Fresh air handling units, not being directly discharged into interior, By the filtering of the efficient or sub- efficient PM2.5 screen packs after humidifier, become all suitable fresh air of humiture, can enter It is indoor.
The advantage of the family formula Fresh air handling units for using the humidification dehumidifying of bidirectional flow wind system separate is in coastal area, because day So with the humid air, the moisture in air need not again carry out special wet operations, so without humidifier and Fresh air handling units Binding, and arranged according to customer demand.
Embodiment 3:
More optimizedly a kind of unidirectional stream wind system humidifies the novel fresh air unit of dehumidifying integrated machine.
It is illustrated in figure 6 the family formula Fresh air handling units according to the unidirectional stream wind system humidification dehumidifying integration of Fig. 1 of the invention Structure chart:
Compared with Example 1, a kind of unidirectional stream wind system of the present embodiment humidifies the novel fresh air unit of dehumidifying integrated machine, takes Disappear heat regenerator, return air air inlet, return air exhaust outlet, adds external single outdoor exhaust blower and outdoor exhaust outlet to be used for room Interior dirty air discharge is outdoor.
It is illustrated in figure 8 the family formula Fresh air handling units according to the unidirectional stream wind system humidification dehumidifying integration of Fig. 1 of the invention Operation schematic diagram:
Fresh air enters Fresh air handling units by the poorly efficient screen packs of PM2.5 of fresh air air inlet, then passes sequentially through water meter cooler, Evaporator, condenser, humidifier is efficient by the PM2.5 of fresh air air outlet or sub- high efficiency particulate air enters by fresh air pressure fan Enter interior, entering outdoor exhaust outlet finally by outdoor exhaust blower discharges outdoor.
Using unidirectional stream wind system humidification dehumidifying integration family formula Fresh air handling units the characteristics of be in the small area of the temperature difference, because For the room air temperature difference that open-air and Fresh air handling units are treated is little, therefore using unidirectional stream Fresh air handling units, so as to save Cost, reduces price.
Embodiment 4:
The novel fresh air unit that more optimizedly a kind of unidirectional stream wind system humidification dehumidifying is separate.
It is illustrated in figure 7 according to the family formula Fresh air handling units of the unidirectional stream wind system humidification dehumidifying separation of Fig. 1 of the invention Structure chart:
Compared with Example 1, the novel fresh air unit that a kind of unidirectional stream wind system humidification dehumidifying of the present embodiment is separate, cancels Heat regenerator, return air air inlet, return air exhaust outlet, humidifier, add individually external humidifier to be used to carry out the humidification of air, Adding external single outdoor exhaust blower and outdoor exhaust outlet is used to for the air of foul indoor to discharge outdoor.
It is illustrated in figure 9 according to the family formula Fresh air handling units of the unidirectional stream wind system humidification dehumidifying separation of Fig. 1 of the invention Operation schematic diagram:
Fresh air enters Fresh air handling units by the poorly efficient screen packs of PM2.5 of fresh air air inlet, then passes sequentially through water meter cooler, Evaporator, condenser, by fresh air pressure fan, by fresh air air outlet, then is carried out at humidification by individually external humidifier Reason, it is efficient by the PM2.5 of humidifier or sub- high efficiency particulate air gets in, enter outdoor air draft finally by outdoor exhaust blower Mouth discharge is outdoor.
Using unidirectional stream wind system humidification dehumidifying integration family formula Fresh air handling units the characteristics of be in the small area of the temperature difference, because For the room air temperature difference that open-air and Fresh air handling units are treated is little, therefore using unidirectional stream Fresh air handling units, so as to save Cost, reduces price.
The double low-temperature receivers used according to novel fresh air unit of the invention have the characteristics that:
Energy-conservation greatly improving due to high temperature low-temperature receiver refrigerating efficiency in summer, double low-temperature receivers are relative to all using 7 DEG C -12 DEG C The conventional list low-temperature receiver of low-temperature cold water, comprehensive refrigerating efficiency can improve more than 20%.Meanwhile, high temperature cold water (15-22 DEG C) and ring The heat transfer temperature difference in border is smaller than 7 DEG C of cold water, so the loss of refrigeration capacity occurred during system transmission & distribution will reduce more than 30%;
It is comfortable to be ensured by the air conditioning terminal using high temperature low-temperature receiver in Summer Indoor air themperature.Indoor air relative humidity by Double-cold source fresh air handling unit ensures.Temperature and Relative Humidity of Indoor Air is effectively solved respectively by two different airhandling equipment independent controls The problem of Temperature and Humidity Control of having determined coupling, effectively realizes constant temperature and humidity effect, improves air-conditioning system comfortableness;
It is anti-condensation because high temperature low-temperature receiver supply water temperature is close to or higher than room air dew-point temperature, can actively prevent air-conditioning end End condensation.
Double cold source system introductions
1. pair cold source system equipment has two low-temperature receivers:High temperature low-temperature receiver and low temperature cold source.Wherein, high temperature low-temperature receiver is designed for water temperature It is 15-22 DEG C to spend, and is mainly used in system sensible heat load and part new wind load.High temperature low-temperature receiver can be artificial cold source or nature Low-temperature receiver;
2. low temperature cold source is direct-evaporation-type low-temperature receiver (5 DEG C or so of evaporating temperature), for carrying out depth dehumidifying to fresh air, is held The whole room conditioning humidity loads of load;
3. the refrigeration duty of the 80-90% of air-conditioning system is undertaken by high temperature low-temperature receiver, and low temperature cold source only undertakes the cold of 10%-20% Load.
4. high temperature low-temperature receiver can be artificial cold source or natural cooling source.Artificial cold source can use air-source or geographical heat pump etc. Equipment.Natural cooling source can use underground water natural cold source;
5. indoor air relative humidity ensures by double-cold source fresh air handling unit, and fresh air is into first passing around High-temperature cooling after unit Coil pipe treatment, is then processed by sub-cooled coil pipe again;
Twin-stage frequency conversion, as the term suggests refer to just that the refrigerant vapour from evaporator will be by low pressure and high pressure compressor After (or cylinder) two second compression, just into condenser.It is most of system with the main distinction of single stage compress kind of refrigeration cycle flow Cryogen must be compressed in high and low two cylinders of arbitrarily downgrading, and typically also be additionally arranged intercooler and expansion valve.
So-called PM2.5, refers to the particulate matter of suspension in air, and its diameter is less than 2.5 microns.Because these particulate matters are too Gently, it is difficult to natural subsidence falls to the ground, but long-term floating is in the air, not only small to invisible, is smaller to directly to enter Enter alveolar or even the cell " fight " that incorporates in blood, and human body and injure these cells.To some degree, make it " fierce Hand " is not excessive.
One dust is small to can be with ignored, but PM2.5 is just because of too small, and cannot be ignored.
In general, particulate matter of the diameter more than 10 microns, can be blocked in the outside of nose;Diameter is at 2.5 microns to 10 Particulate matter between micron can enter respiratory tract, but partly be excreted with spitting, sneezing;And diameter is micro- 2.5 Fine particle within rice, can but pass through lower respiratory tract, and the particle less than 2.5 microns can enter among alveolar, and can lead to Cross qi and blood exchange and enter into human vas.
If be exaggerated seeing these little particles, their not necessarily circular or squares, and be in irregular.Wei Fusheng Represent, be partially the airborne dust of self-assembling formation, the secondary pollution that mostly human behavior is caused, such as two in these particulate matters The particles such as sulfur oxide, nitrogen oxides, ammonium sulfate, ammonium nitrate.These particles are much because combustion of fossil fuel is not exclusively produced Organic carbon, the carcinogenic substance that coal-burning power plant generates in high temperature sometimes is adsorbed by these tiny particulate matters in cooling and entered Human body.
So small particle is difficult natural subsidence, can in atmosphere stop a week even some months, and itself is to breathing System just has an impact, and causes cough, discomfort.And the carcinogenic substance adsorbed on small particle, more cause cancer occurred frequently.
And the various poisonous chemical substances of particulate matter absorption are just more killed.These are because the mankind's activity such as industry is produced Raw, incomplete combustion and the small particles discharged, itself is made up of certain silica and carbon.That is, " going out at them It is raw " moment, it may be possible to it is pure harmless, be the characteristics of unique it is too small, too much.However, under identical mass concentration, particulate matter Thinner, number is more.Compared with PM10, the surface area of PM2.5 is big several times, and the toxicant in absorption air will be more.
When PM2.5 has adsorbed carcinogenic substance, just there is carcinogenic effect;Teratogen is adsorbed, has just there is teratogenic effect.It is exhaled under passing through Road is inhaled, into the depths of lung, and the pernicious gas of its carrying, heavy metal are just dissolved in blood.
The PM2.5 filters that the present invention is used are using one layer of primary efficient filter screen and floor height effect or sub- high efficiency particulate air knot Close, or only with floor height effect or sub- high efficiency particulate air, be can reach with the content for ensureing the fresh air PM2.5 for being sent to interior after filtering Below every cubic metre of 75 micrograms.Because according to the difference of actual conditions, some municipal pollutions are lighter, imitated using a floor height or sub- High efficiency particulate air can be achieved with air filtering makes the content of PM2.5 reach the national standard below every cubic metre of 75 micrograms.And have A little urban air pollutions, only with floor height effect or sub- high efficiency particulate air, easily cause screen pack damage than more serious Than very fast, it is necessary to often change.And use double-layer structure, i.e., one layer primary efficient filter screen and floor height effect or sub- high efficiency particulate air Words, can be by a primarily efficient filter net filtration part, and efficient or sub- high efficiency particulate air refilters a part, and such two layers of mesh is damaged all Can be relatively slower, extension service life can be reached, it is the cost-effective effect of client.

Claims (37)

1. a kind of family formula Fresh air handling units, including controller, water system and wind system, the controller and the water system and described Wind system is connected, and the water system includes the first electric T-shaped valve(8), the second electric T-shaped valve(13), fluorine water- to-water heat exchanger, water Surface cooler, it is characterised in that the wind system be bidirectional flow wind system, the family formula Fresh air handling units include PM2.5 filters and Heat regenerator, the bidirectional flow wind system also includes return air air inlet, fresh air air inlet, return air exhaust outlet and fresh air air outlet, The return air air inlet, fresh air air inlet and return air exhaust outlet are arranged using homonymy;The family formula Fresh air handling units also include compression Machine, evaporator, condenser, choke valve, the fresh air air outlet with the return air air inlet, fresh air air inlet and return air air draft The relative side arrangement of mouth, the water inlet pipe of the water system connects the water side-entrance of the fluorine water- to-water heat exchanger, the fluorine water heat exchange The water side outlet of device is connected with first electric T-shaped valve and the water meter cooler successively, the outlet of the compressor with it is described The import connection of the second electric T-shaped valve, the first outlet of second electric T-shaped valve is entered with the fluorine side of the fluorine water- to-water heat exchanger Mouthful connection, the second outlet of second electric T-shaped valve be connected with the import of the condenser, the outlet of the condenser and It is connected with the import of the choke valve after the fluorine side outlet connection of the fluorine water- to-water heat exchanger, the outlet of the choke valve and the steaming The import connection of device is sent out, the outlet of the evaporator is connected with the import of the compressor.
2. Fresh air handling units according to claim 1, it is characterised in that the family formula Fresh air handling units are also filtered including return air Device, pressure fan, exhaust blower, air-supply pipeline, exhaust pipeline, carbon dioxide detector, hygrosensor, hygrosensor, low pressure Detector, high voltage detector, water temperature probe, dehumidifier.
3. Fresh air handling units according to claim 2, it is characterised in that return air filter described in the family formula Fresh air handling units It is connected with the return air air inlet.
4. Fresh air handling units according to claim 2, it is characterised in that the pressure fan is connected with the fresh air air outlet Connect.
5. Fresh air handling units according to claim 2, it is characterised in that have electronic between the exhaust pipeline and air-supply pipeline Bypass air-valve, the electric bypass air can automatically adjust the open degree of air-valve according to the situation of wind pushing temperature and humidity, to keep away Exempt from the frosting problem that heat recovery module occurs in Humid Area high and extremely frigid zones application.
6. Fresh air handling units according to claim 1, it is characterised in that the fresh air air inlet and the PM2.5 filters It is connected.
7. Fresh air handling units according to claim 2, it is characterised in that the evaporator of the compressor includes condensate pipe.
8. Fresh air handling units according to claim 2, it is characterised in that the pressure fan is direct current and becomes with the exhaust blower Frequency blower fan.
9. Fresh air handling units according to claim 2, it is characterised in that the compressor is that frequency-changeable compressor or fixed frequency compress Machine.
10. Fresh air handling units according to claim 1, it is characterised in that the heat regenerator is board-like heat regenerator or turns Wheeled heat regenerator or both is combined.
11. Fresh air handling units according to claim 1, it is characterised in that the fresh air air inlet, the return air air inlet, The return air exhaust outlet and fresh air air outlet use metal material or plastic material.
12. Fresh air handling units according to claim 11, it is characterised in that the plastic material includes ABS engineering plastics.
13. Fresh air handling units according to claim 1, it is characterised in that the PM2.5 filters using primary efficient filter screen and Efficient or sub- high efficiency particulate air is combined, or only with efficient or sub- high efficiency particulate air, to ensure that PM2.5 filter efficiencies reach 90% More than.
14. Fresh air handling units according to claim 2, it is characterised in that first electric T-shaped valve(8)With described second Electric T-shaped valve(13)It is proportional integral regulating three-way valve.
15. Fresh air handling units according to claim 14, it is characterised in that the proportional integral regulating three-way valve can be according to need Automatically adjust open degree, the proportional integral regulating three-way valve is by the water meter cooler, the evaporator, the condenser phase Association, the proportional integral regulating three-way valve receives the instruction folding of the controller, and adjusting the water system is used for the water Surface cooler, the evaporator, the water of the heat exchange of the condenser, adjust the water meter cooler, evaporator, described cold Condenser feeds back its operational factor to the temperature of air-treatment to the controller.
16. Fresh air handling units according to claim 1, it is characterised in that the water system includes water circulation.
17. Fresh air handling units according to claim 16, it is characterised in that recirculated water used in the water circulation is intake and is 15 DEG C of -22 DEG C of water, backwater is 18 DEG C or 25 DEG C of water.
18. Fresh air handling units according to claim 1, it is characterised in that the fluorine water- to-water heat exchanger is changed using bushing type fluorine water Hot device or board-like fluorine water- to-water heat exchanger.
19. Fresh air handling units according to claim 1, it is characterised in that the controller uses PLC logic controls.
20. Fresh air handling units according to claim 1, it is characterised in that the water meter cooler is cold using the water meter of 2-8 combs Device.
21. Fresh air handling units according to claim 2, it is characterised in that the row of the copper pipe of the evaporator is arranged for 2-8.
22. Fresh air handling units according to claim 2, it is characterised in that the row of the copper pipe of the condenser is arranged for 2-8.
23. Fresh air handling units according to claim 1, it is characterised in that the shell of the Fresh air handling units uses metal structure Or plastic material or both is combined.
24. Fresh air handling units according to claim 2, it is characterised in that when outdoor temperature humidity changes, the Fresh air handling units The rotating speed of meeting pressure fan according to the parameter adjust automatically of air intake, so that residence time of the fresh air in the unit is controlled, So as to the temperature and humidity for controlling the fresh air air outlet keeps stable state.
25. Fresh air handling units according to claim 2, it is characterised in that the heat discharged in the condenser a, part is used It is heat-treated again in fresh air, is played heat recovery energy-saving effect, redundance is entered water system by the fluorine water- to-water heat exchanger In.
26. Fresh air handling units according to claim 2, it is characterised in that the compressor can according to the parameter of fresh air and The air outlet parameter adjust automatically operation power of setting, it is ensured that the fresh air temperature and humidity of the air outlet keeps stable state.
27. Fresh air handling units according to claim 1, it is characterised in that the heat regenerator is used to work as foul indoor air When entering the Fresh air handling units by the return air air inlet, it is set to be sent with by the fresh air air inlet by the heat regenerator The outdoor fresh air for entering carries out Total heat exchange or Exchange of apparent heat.
28. Fresh air handling units according to claim 27, it is characterised in that the Total heat exchange refers to make into entering the room in summer Interior hot and humid fresh air carries out exchanging for temperature and humidity with the return air of indoor low temperature low humidity, fresh air cooling drop after exchange It is wet, there is energy-conservation;Making the fresh air for getting in cold in the winter time carries out the friendship of temperature and humidity with indoor warm return air Change, fresh air heats up and humidifies after exchange, there is energy-conservation, and the fresh air after the Total heat exchange dehumidifies again into the Fresh air handling units Or humidification meets the demand of indoor comfortable.
29. Fresh air handling units according to claim 27, it is characterised in that the Exchange of apparent heat refers to make into entering the room in summer Interior high temperature fresh air enters exchanging for trip temperature with the return air of indoor low temperature, and fresh air cooling after exchange plays the role of energy-conservation;In the winter time The fresh air for getting in cold is set to enter exchanging for trip temperature with indoor warm return air, fresh air heats up after exchange, there is the work of energy-conservation Dehumidified again or humidified into the Fresh air handling units demand for meeting indoor comfortable with, the fresh air after the Exchange of apparent heat.
30. Fresh air handling units according to claim 2, it is characterised in that the Fresh air handling units are adopted using double cold source systems It is combined with the water meter cooler and the evaporator, the water meter cooler is mainly used in system sensible heat and bears as high temperature low-temperature receiver Lotus and part new wind load;The evaporator as low temperature cold source, for carrying out depth dehumidifying to fresh air.
31. Fresh air handling units according to claim 30, it is characterised in that the high temperature low-temperature receiver also include artificial cold source or Natural cooling source, the artificial cold source includes using air-source or geographical heat pump, and the natural cooling source is including natural using underground water Low-temperature receiver.
32. Fresh air handling units according to claim 30, it is characterised in that described pair of cold source system ensures fresh air described in The High-temperature cooling coil pipe treatment of the high temperature low-temperature receiver is first passed around after Fresh air handling units, then again by the low temperature of the low temperature cold source Cooling coil treatment.
33. Fresh air handling units according to claim 3, it is characterised in that the family formula Fresh air handling units also include humidifier, with The family formula Fresh air handling units are used separately, for hinterland.
34. Fresh air handling units according to claim 33, it is characterised in that be provided with communication module on the humidifier, with The Fresh air handling units connection.
35. Fresh air handling units according to claim 5, it is characterised in that the valve of the electric bypass air is electronic ratio Integral adjustment valve.
36. Fresh air handling units according to claim 35, it is characterised in that the electric bypass air can be according to air intake situation Automatic decision opens ratio.
37. new blower fans according to claim 1, it is characterised in that the PM2.5 filters are provided with for regularly replacing The warning device of prompting.
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