CN106091166A - Air-conditioner outdoor unit, air-conditioner and air-conditioner outdoor unit defrosting method - Google Patents
Air-conditioner outdoor unit, air-conditioner and air-conditioner outdoor unit defrosting method Download PDFInfo
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- CN106091166A CN106091166A CN201610569180.4A CN201610569180A CN106091166A CN 106091166 A CN106091166 A CN 106091166A CN 201610569180 A CN201610569180 A CN 201610569180A CN 106091166 A CN106091166 A CN 106091166A
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- Prior art keywords
- air
- heat exchanger
- conditioner
- outdoor heat
- outdoor unit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of air-conditioner outdoor unit, air-conditioner and air-conditioner outdoor unit defrosting method, relate to field of air conditioning, in order to air-conditioner outdoor unit defrost.This air-conditioner outdoor unit includes outdoor heat exchanger, axial-flow leaf and dehydrating unit；Dehydrating unit is positioned at the upstream of outdoor heat exchanger air-flow direction, and dehydrating unit is for reducing moisture that driven by axial-flow leaf, in the outside air flowing to described outdoor heat exchanger.Technique scheme, under air-conditioner is in low-temperature heating operating mode, utilize dehydrating unit, outside air intake is carried out removal moisture drying process, reduction and outdoor heat exchanger carry out the air dew point temperature of heat exchange, and during making to heat, the evaporating temperature of outdoor heat exchanger is higher than the dew point temperature of air, therefore on outdoor heat exchanger, evaporated condensation water condenses, also will not frosting.
Description
Technical field
The present invention relates to field of air conditioning, be specifically related to a kind of air-conditioner outdoor unit, air-conditioner and air-conditioner outdoor unit defrost
Method.
Background technology
Air-conditioner is under low-temperature heating operating mode, and condensed water is frosting on outdoor heat exchanger.Prior art uses following two
Kind of mode carries out defrost to outdoor heat exchanger:
1, transfer air-conditioner to defrost pattern from heating mode and carry out defrost, then condensed water is discharged to outdoor.Defrost
During mode operation, cross valve commutates, and blower fan quits work, and air-conditioner is converted into refrigeration by heating.After defrost terminates, just weight
New unlatching heats, and is then turned on inner blower.
2, electrical heating defrost is used.This mode often makes on the air-conditioner of monoblock type PTAC machine through walls or similar structures
With.Monoblock type PTAC machine through walls complete machine outer container is just installed on wall, without osculum on outer container when building.Monoblock type PTAC is through walls
Machine, under low-temperature heating pattern, opens chassis heat tape, and water is exhausted directly to outer container by chassis osculum.Ring under worst cold case
Border temperature is low, and the water being therefore discharged to outer container can be assembled, freeze, and affects the draining of complete machine, and fan blade has the hidden danger being frozen in.
Inventor finds, at least there is following problems: use defrost pattern to carry out defrost, air conditioner heat-production in prior art
Discontinuously, customer experience is poor；Using electrical heating defrost, under worst cold case, ambient temperature is low, the water being therefore discharged to outer container can assemble,
Freezing, affect the draining of complete machine, fan blade has the hidden danger being frozen in.
Summary of the invention
One of them purpose of the present invention is to propose a kind of air-conditioner outdoor unit, air-conditioner and air-conditioner outdoor unit defrost side
Method, in order to air-conditioner outdoor unit defrost.
For achieving the above object, the invention provides techniques below scheme:
Embodiments provide a kind of air-conditioner outdoor unit, including outdoor heat exchanger, axial-flow leaf and dehydrating unit；
Described dehydrating unit is positioned at the upstream of described outdoor heat exchanger air-flow direction, and described dehydrating unit is for reducing by described axle
Moisture that stream fan blade drives, in the outside air flowing to described outdoor heat exchanger.
In an alternate embodiment of the invention, described dehydrating unit is rotary dehumidifier, described rotary dehumidifier include for
Reduce the dehumidifying district of moisture in described outside air and for reducing the renewing zone of moisture.
In an alternate embodiment of the invention, described air-conditioner outdoor unit includes first flow and the second runner；First flow and
The two ends of two runners all connect with outdoor；Described first flow is provided with dehumidifying district and described outdoor heat exchanger, described dehumidifying position
Upstream in described outdoor heat exchanger air-flow direction；
Described second runner is provided with described renewing zone and exhaust blower, and described renewing zone is positioned at described exhaust blower air flowing side
To upstream.
In an alternate embodiment of the invention, described axial-flow leaf is located at described first flow, and described axial-flow leaf is positioned at described
The upstream in dehumidifying district or downstream, described axial-flow leaf is positioned at the upstream of described outdoor heat exchanger air-flow direction.
In an alternate embodiment of the invention, air-conditioner outdoor unit also includes the baffle liner being located at described first flow, described water conservancy diversion
Corral is in the outside of described axial-flow leaf, and described dehydrating unit is positioned at the air inlet of described baffle liner.
In an alternate embodiment of the invention, the air inlet port dimensions of described baffle liner, more than the size of described dehydrating unit, described is removed
It is provided with deep bead between edge at wet device and described baffle liner air inlet.
In an alternate embodiment of the invention, air-conditioner outdoor unit also includes the exhaust duct being located at described second runner, described air draft
The entrance of pipe and described renewing zone air tight communication, described exhaust blower is positioned at described exhaust duct.
In an alternate embodiment of the invention, described air-conditioner outdoor unit is the off-premises station of integral air conditioner.
Another embodiment of the present invention provides a kind of air-conditioner, the air conditioner chamber provided including the arbitrary technical scheme of the present invention
Outer machine.
The embodiment of the present invention also provides for a kind of air-conditioner outdoor unit defrosting method, comprises the following steps:
When described air-conditioner is in heating mode, empty to this external world before outside air blows on described outdoor heat exchanger
Gas carries out dehumidification treatments, to reduce the moisture in outside air.
In an alternate embodiment of the invention, described before outside air blows on described outdoor heat exchanger, this outside air is entered
Row dehumidification treatments step includes: use rotary dehumidifier air to external world to carry out dehumidification treatments.
In an alternate embodiment of the invention, described use rotary dehumidifier carries out dehumidification treatments step bag to described outside air
Include: the dehumidifying district of described rotary dehumidifier is located at axial-flow leaf air-flow direction upper of described air-conditioner outdoor unit
Trip so that air dehumidifies after-blow to outdoor heat exchanger through described rotary dehumidifier.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Technique scheme, under air-conditioner is in low-temperature heating operating mode, utilizes dehydrating unit, carries out outside air intake
Removal moisture drying processes, and reduction and outdoor heat exchanger carry out the air dew point temperature of heat exchange, during making to heat, outdoor heat exchange
The evaporating temperature of device is higher than the dew point temperature of air, and therefore on outdoor heat exchanger, evaporated condensation water condenses, also will not frosting, air-conditioner
Without defrost, improve the comfort level of user under low-temperature heating operating mode.Machine through walls for monoblock type PTAC, outdoor heat exchanger does not has
Elutriation goes out, and outer container will not freeze, and solves difficult the asking of draining of band outer container package AC plant under Conventional cryogenic heating mode
Topic, makes package AC plant low-temperature heating be achieved, and compares tradition under worst cold case by opening the mode that electrical heating heats
More energy-conservation, reliably, comfortable.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
The schematic front view of the air-conditioner outdoor unit that Fig. 1 provides for the embodiment of the present invention；
The schematic top plan view of the air-conditioner outdoor unit that Fig. 2 provides for the embodiment of the present invention.
Reference:
1, outdoor heat exchanger；2, dehydrating unit；3, first flow；4, the second runner；5, exhaust blower；6, axial-flow leaf；7、
Baffle liner；8, deep bead；9, exhaust duct；10, chassis；11, dividing plate；21, dehumidifying district；22, renewing zone；23, motor is driven；31、
Air inlet.
Detailed description of the invention
The technical scheme provided the present invention below in conjunction with Fig. 1～Fig. 2 illustrates in more detail.
The embodiment of the present invention provides a kind of air-conditioner outdoor unit, including outdoor heat exchanger 1, axial-flow leaf 6 and dehydrating unit
2；Dehydrating unit 2 is positioned at the upstream of outdoor heat exchanger 1 air-flow direction, and dehydrating unit 2 is driven by axial-flow leaf 6 for reducing
, for flowing to the moisture in the outside air of outdoor heat exchanger 1.
Dehydrating unit 2 can be cooling and dehumidifying equipment, and air is cooled to below dew point, then removes by this cooling and dehumidifying equipment
Condensed moisture.Dehydrating unit 2 can be compression dehumidification equipment, and humid air is compressed by this compression dehumidification equipment, cold
But, its moisture is separated.Dehydrating unit 2 can be solid adsorption type dehumidifying, uses capillary tube by water adsorption at solid moisture absorbent
On.Dehydrating unit 2 is not limited to said structure form, it would however also be possible to employ other structure.Hereinafter will provide a kind of specific embodiment.
The power of outside air flowing is axial-flow leaf 6, and with the flow direction of outside air as reference, upstream refers to the external world
The region that air first passes through；Downstream for upstream, refer to after outside air through region.Axial-flow leaf 6 can position
In upstream or the downstream of outdoor heat exchanger 1 air-flow direction, if axial-flow leaf 6 is positioned at outdoor heat exchanger 1 air flowing side
To upstream, outside air is blown on outdoor heat exchanger 1.If axial-flow leaf 6 is positioned at the downstream of outdoor heat exchanger 1, extraneous empty
Gas is drawn onto on outdoor heat exchanger 1.
Technique scheme, under low-temperature heating operating mode, carries out removal moisture drying process to outside air intake, reduces extraneous empty
Gas and the air dew point temperature of outdoor heat exchanger heat exchange, during heating, the evaporating temperature of outdoor heat exchanger is handed over higher than heat
The dew point temperature ventilated, makes evaporated condensation water on outdoor heat exchanger separate out, also will not frosting.
In the present embodiment, dehydrating unit 2 is rotary dehumidifier, and rotary dehumidifier includes for reducing in outside air
The dehumidifying district 21 of moisture and for reducing the renewing zone 22 of moisture.
Rotary dehumidifier is the disk being made alveolate texture by metal drier synthesis on base material, the most about 1/4
For renewing zone, about 3/4 is dehumidifying district, and runner rotates and motor can be driven to drive by runner.Renewing zone 22 and dehumidifying district 21 be every
Opening, the air after the dehumidifying of dehumidifying district 21 is directly driven by axial-flow leaf 6, then by outdoor heat exchanger 1.Through renewing zone 22
Air by heating, recover runner dehumidification function, be again introduced into dehumidify district 21 dehumidify.The heat that renewing zone 22 produces
After absorbing by air with moisture content, row is to exhaust duct 9.
Dehumidifying district 21 wind out is dry-air blast, and this strand of wind is transported to outdoor heat exchanger 1, for heat exchange.Renewing zone 22
Wind out is hot and humid gas, and this strand of wind is transported to the external world.Dry-air blast and hot and humid wind are separate, not crossfire.
Seeing Fig. 1 and Fig. 2, air-conditioner outdoor unit includes first flow 3 and the second runner 4.The two ends of first flow 3 and room
Outer connection, the two ends of the second runner 4 also connect with outdoor.First flow 3 is provided with dehumidifying district 21 and outdoor heat exchanger 1, and dehumidify district
21 upstreams being positioned at outdoor heat exchanger 1 air-flow direction.It is dehumidified that outside air first arrives dehumidifying district 21, arrives room the most again
External heat exchanger 1.Second runner 4 is provided with renewing zone 22 and exhaust blower 5, and renewing zone 22 is positioned at the upper of exhaust blower 5 air-flow direction
Trip.
The flowing that exhaust blower 5 is hot and humid gas provides power.
Seeing Fig. 1 and Fig. 2, axial-flow leaf 6 is located at first flow 3, and axial-flow leaf 6 is positioned at dehumidifying air flowing side of district 21
To upstream or downstream, axial-flow leaf 6 is positioned at the upstream of outdoor heat exchanger 1 air-flow direction.
The integral air conditioner structures such as PTAC machine through walls can use bleed type structure；Axial-flow leaf 6 is gas in first flow 3
Flowing power is provided, axial-flow leaf 6 can be located at upstream or the downstream of dehumidifying district 21 air-flow direction, with position in the present embodiment
As a example by downstream, outside air is drawn to the district 21 that dehumidifies.
Seeing Fig. 2, air-conditioner outdoor unit also includes the baffle liner 7 being located at first flow 3, and baffle liner 7 is trapped among axial-flow leaf 6
Outside, dehydrating unit 2 is positioned at the air inlet of baffle liner 7.
Gas is played guide effect by baffle liner 7, and prevents air leakage phenomena.Dehydrating unit 2 is positioned at entering of baffle liner 7
At QI KOU, so that outside air enters back into baffle liner 7 after dehumidification treatments.
Specifically, the air inlet port dimensions of baffle liner 7 is more than the size of dehydrating unit 2, dehydrating unit 2 and baffle liner 7 air inlet
Deep bead 8 it is provided with between edge at Kou.
Using this structure, one is easy for arranging dehydrating unit 2, moreover ensure that arrival outdoor heat exchanger 1 is whole
Wind all dehumidifies through dehydrating unit 2.
Seeing Fig. 2, for ease of air draft, air-conditioner outdoor unit also includes the exhaust duct 9 being located at the second runner 4, exhaust duct 9
Entrance and renewing zone 22 air tight communication, exhaust blower 5 is positioned at exhaust duct 9.The region in downstream, the back side, renewing zone 22 is to close, envelope
Outdoor is got rid of by exhaust duct 9 after the space closed.I.e. gas flow is: closed area, 22 → back side, renewing zone → exhaust duct 9
→ outdoor.
Air-conditioner outdoor unit is specially the off-premises station of integral air conditioner.
Technique scheme, under air-conditioner is in low-temperature heating operating mode, utilizes rotary dehumidifier, to outside air intake
Carrying out removal moisture drying process, reduction and outdoor heat exchanger carry out the air dew point temperature of heat exchange, during making to heat, outdoor
The evaporating temperature of heat exchanger is higher than the dew point temperature of air, and therefore on outdoor heat exchanger, evaporated condensation water condenses, also will not frosting, empty
Adjust device without defrost, improve the comfort level of user under low-temperature heating operating mode.Machine through walls for monoblock type PTAC, outdoor heat exchanger
Not having elutriation to go out, outer container will not freeze, and solves the draining difficulty of band outer container package AC plant under Conventional cryogenic heating mode
Problem, make the package AC plant low-temperature heating be achieved, compare tradition and heat by unlatching electrical heating under worst cold case
Mode is more energy-conservation, reliably, comfortable.
A specific embodiment is described below.
Air-conditioner includes off-premises station and indoor set, sees Fig. 2, and off-premises station and indoor set are separated by the dividing plate 11 on chassis 10.
Air-conditioner outdoor unit mainly includes rotary dehumidifier (including that dehumidifying district 21 and renewing zone 22 and runner drive motor 23), axle
Stream fan blade 6, baffle liner 7, outdoor heat exchanger 1, exhaust duct 9, exhaust blower 5 form.
Rotary dehumidifier: runner can be typically the circle being made alveolate texture by metal drier synthesis on base material
Dish, the most about 1/4 is renewing zone, and about 3/4 is dehumidifying district, and runner rotates and motor can be driven to drive by runner.Renewing zone 22 He
Dehumidifying district 21 separates, and the air after the dehumidifying of dehumidifying district 21 is directly driven by axial-flow leaf 6, then by outdoor heat exchanger 1.
Air through renewing zone 22, by heating, recovers the dehumidification function of runner, is again introduced into dehumidifying district 21 and dehumidifies.Renewing zone
22 heats produced and moisture content are arranged to exhaust duct 9 after being absorbed by air.
Axial-flow leaf: the power that outside wind field is formed.
Baffle liner: the device of forming chamber outside air flow direction, the direction of arrow of outdoor air flow direction such as Fig. 2
Shown in, air enters from air inlet, dehumidifies through rotary dehumidifier, and dried air carries out heat friendship again with outdoor heat exchanger
Change.
Outdoor heat exchanger: coolant evaporates at this heat exchanger in a heating mode, carries out heat exchange with outside.
Exhaust duct: the regeneration of rotary dehumidifier renewing zone is by thermal regeneration, heat that air intake produces renewing zone and water
Vapor adsorption, forms the air of high humidity high temperature, and exhaust duct 9 is a kind of dress that the air of these high humidity high temperature is discharged to outside
Put.
Blower fan: provide power for renewing zone flow passage.
Rotary dehumidifier 1 is arranged on air-conditioner air inlet 31, and air intake is dried by dehumidifying district 21, outdoor with outside
Heat exchanger 1 carries out heat exchange, and at the hot and humid air of renewing zone 22 generation, is then discharged to outside.
The air intake in outside is processed into dry-air blast by rotary dehumidifier, makes the outdoor heat exchanger 1 evaporating temperature (this when heating
Evaporating temperature generally-12 DEG C～-13 DEG C under operating mode) higher than air dew point temperature, then can ensure that room under low-temperature heating pattern
External heat exchanger evaporated condensation water.Such as: outside dry-bulb temperature-7 DEG C, wet bulb temperature is-8 DEG C, checks according to humid air enthalpy difference icon:
The relative humidity of air is 72.6%, and the dew point temperature of air now is-10.5 DEG C, air intake through rotary wheel dehumidifying process after,
Relative humidity being reduced to 45%, now outside dry-bulb temperature-7 DEG C, wet bulb temperature is-9 DEG C, and the dew point temperature of air intake then reduces
Having arrived-15.6 DEG C, dew point temperature is higher than evaporating temperature, and now evaporated condensation water condenses, and therefore outdoor heat exchanger surface also will not be tied
Frost.
Visible, technique scheme, under low-temperature heating pattern, use rotary wheel dehumidifying principle to be dried outside air conditioner chamber
Wind, makes the relative humidity of outside air intake reduce, and air intake wet bulb temperature reduces, so that the dew point temperature of air intake is greatly lowered,
The evaporating temperature of outdoor heat exchanger 1 is higher than the dew point temperature of air intake, and now outdoor heat exchanger 1 will not under the operating mode of low-temperature heating
Elutriation is had to go out, also will not frosting.
Technique scheme, under low-temperature heating pattern, uses rotary wheel dehumidifying principle to be dried air intake outside air-conditioner, outside making
The relative humidity of side air intake reduces, then corresponding wet bulb temperature reduces, thus the dew point temperature of air intake is greatly lowered, and is reduced to low
In the evaporating temperature of outdoor heat exchanger, the evaporating temperature of outdoor heat exchanger is higher than the dew point temperature of air intake, therefore outdoor heat exchanger
Under the operating mode of low-temperature heating, do not have water condense, also will not frosting.
Rotary dehumidifier is arranged on air-conditioner air inlet 31, and air intake is dried by dehumidifying district 21, the air intake of low humidity
Carry out heat exchange with outside outdoor heat exchanger 1, be then discharged out outdoor；And at the hot and humid air of renewing zone 22, then by row
Airduct 9 is discharged to outside.
The air intake in outside is processed into dry-air blast, makes outdoor heat exchanger 1 outdoor heat exchanger temperature when heating (steam under this operating mode
Send out temperature generally-12～-13 DEG C) higher than air dew point temperature.Then can ensure that the anhydrous precipitation of outdoor heat exchanger 1.Such as outside
Dry-bulb temperature-7 DEG C, wet bulb temperature is-8 DEG C, checks according to steam psychrometric chart table: the relative humidity of air is 72.6%, dew
Point temperature is-10.5 DEG C.Relative humidity, after rotary wheel dehumidifying processes, is reduced to 45%, according to steam psychrometric chart by air intake
Table checks in: now outside dry-bulb temperature-7 DEG C, wet bulb temperature is-9 DEG C, and the dew point temperature of air intake is reduced to-15.6 DEG C, dew point
Temperature is higher than evaporating temperature, and now evaporated condensation water separates out, and therefore outdoor heat exchanger surface also will not frosting.
First flow 3 flows to: outside air → air inlet 31 enter → dehumidify district 21 be dried → axial-flow leaf 6 → dry-air blast with
Outdoor heat exchanger 1 heat exchange
Runner inner flow passage flows to: runner by the moisture of motor or gear driven uniform rotation → new wind of dehumidifying district absorption →
Runner rotates to the district that dehumidifies after rotating to renewing zone desiccant regeneration → rotary wheel regeneration
Second runner 4 flows to: outside air → renewing zone 22 moisture absorption heat absorption → exhaust blower 5 → by exhaust duct 9 is to outdoor
Another embodiment of the present invention provides a kind of air-conditioner, the air conditioner chamber provided including the arbitrary technical scheme of the present invention
Outer machine.
Yet another embodiment of the invention also provides for a kind of air-conditioner outdoor unit defrosting method, and it can use any of the above-described technical side
The air-conditioner outdoor unit that case is provided realizes.The method comprises the following steps:
When described air-conditioner is in heating mode, empty to this external world before outside air blows on described outdoor heat exchanger
Gas carries out dehumidification treatments, to reduce the moisture in outside air.
Technique scheme, under low-temperature heating operating mode, carries out removal moisture drying process to outside air intake, reduces extraneous empty
Gas and the air dew point temperature of outdoor heat exchanger heat exchange, during heating, the evaporating temperature of outdoor heat exchanger is handed over higher than heat
The dew point temperature ventilated, makes evaporated condensation water on outdoor heat exchanger separate out, also will not frosting.
Further, described use rotary dehumidifier carries out dehumidification treatments step to described outside air and includes: use
Rotary dehumidifier air to external world carries out dehumidification treatments.
In the present embodiment, use rotary dehumidifier air to external world to carry out dehumidification treatments step and include: by rotary wheel dehumidifying
The dehumidifying district of device is located at the upstream of the axial-flow leaf air-flow direction of air-conditioner outdoor unit so that air is through rotary wheel dehumidifying
Device dehumidifying after-blow is to outdoor heat exchanger.This mode effect on moisture extraction is good and simple to operate.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be only for ease of describing the present invention and simplifying the device describing rather than indicating or infer indication
Or element must have specific orientation, for specific azimuth configuration and operation, thus it is not intended that in protecting the present invention
The restriction held.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent,
But these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (12)
1. an air-conditioner outdoor unit, it is characterised in that include outdoor heat exchanger (1), axial-flow leaf (6) and dehydrating unit (2)；
Described dehydrating unit (2) is positioned at the upstream of described outdoor heat exchanger (1) air-flow direction, and described dehydrating unit (2) is used for dropping
Low that driven by described axial-flow leaf (6), be used for the moisture that flow in the outside air of described outdoor heat exchanger (1).
Air-conditioner outdoor unit the most according to claim 1, it is characterised in that described dehydrating unit (2) is rotary wheel dehumidifying dress
Putting, described rotary dehumidifier includes the dehumidifying district (21) for reducing moisture in described outside air and for reducing moisture
Renewing zone (22).
Air-conditioner outdoor unit the most according to claim 2, it is characterised in that described air-conditioner outdoor unit includes first flow
(3) and the second runner (4)；First flow (3) all connects with outdoor with the two ends of the second runner (4)；Described first flow (3) sets
Dehumidifying district (21) and described outdoor heat exchanger (1), described dehumidifying district (21) is had to be positioned at described outdoor heat exchanger (1) air flowing side
To upstream；
Described second runner (4) is provided with described renewing zone (22) and exhaust blower (5), and described renewing zone (22) are positioned at described exhaust blower
(5) upstream of air-flow direction.
Air-conditioner outdoor unit the most according to claim 3, it is characterised in that described axial-flow leaf (6) is located at described first
Runner (3), and described axial-flow leaf (6) is positioned at upstream or downstream, the described axial flow of described dehumidifying district (21) air-flow direction
Fan blade (6) is positioned at the upstream of described outdoor heat exchanger (1) air-flow direction.
Air-conditioner outdoor unit the most according to claim 3, it is characterised in that also include being located at described first flow (3)
Baffle liner (7), described baffle liner (7) is trapped among the outside of described axial-flow leaf (6), and described dehydrating unit (2) is positioned at described water conservancy diversion
At the air inlet of circle (7).
Air-conditioner outdoor unit the most according to claim 5, it is characterised in that the air inlet port dimensions of described baffle liner (7) is big
It is provided with between edge at the size of described dehydrating unit (2), described dehydrating unit (2) and described baffle liner (7) air inlet
Deep bead (8).
Air-conditioner outdoor unit the most according to claim 3, it is characterised in that also include being located at described second runner (4)
Exhaust duct (9), the entrance of described exhaust duct (9) and described renewing zone (22) air tight communication, described exhaust blower (5) is positioned at described row
In airduct (9).
8. according to the arbitrary described air-conditioner outdoor unit of claim 1-7, it is characterised in that described air-conditioner outdoor unit is overall
The off-premises station of formula air-conditioning.
9. an air-conditioner, it is characterised in that include the arbitrary described air-conditioner outdoor unit of claim 1-8.
10. an air-conditioner outdoor unit defrosting method, it is characterised in that comprise the following steps:
When described air-conditioner is in heating mode, before outside air blows on described outdoor heat exchanger, this outside air is entered
Row dehumidification treatments, to reduce the moisture in outside air.
11. methods according to claim 10, it is characterised in that described blow on described outdoor heat exchanger at outside air
This outside air is carried out dehumidification treatments step to include: use rotary dehumidifier air to external world to carry out dehumidification treatments before.
12. methods according to claim 11, it is characterised in that described use rotary dehumidifier is to described outside air
Carry out dehumidification treatments step to include: the dehumidifying district of described rotary dehumidifier is located at the axial-flow leaf of described air-conditioner outdoor unit
The upstream of air-flow direction so that air dehumidifies after-blow to outdoor heat exchanger through described rotary dehumidifier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610569180.4A CN106091166A (en) | 2016-07-18 | 2016-07-18 | Air-conditioner outdoor unit, air-conditioner and air-conditioner outdoor unit defrosting method |
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| CN201610569180.4A CN106091166A (en) | 2016-07-18 | 2016-07-18 | Air-conditioner outdoor unit, air-conditioner and air-conditioner outdoor unit defrosting method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594908A (en) * | 2017-01-25 | 2017-04-26 | 天津大学 | Novel frostless air source heat pump system with runner dehumidification |
| CN107327974A (en) * | 2017-08-08 | 2017-11-07 | 青岛海尔空调器有限总公司 | Air-conditioner outdoor unit |
| CN108775625A (en) * | 2018-07-26 | 2018-11-09 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN109114689A (en) * | 2018-09-27 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of heat pump united air-conditioning system and air conditioner |
| CN110762757A (en) * | 2019-11-06 | 2020-02-07 | 青岛海尔空调电子有限公司 | Air conditioning system and control method thereof |
| CN111853927A (en) * | 2019-04-24 | 2020-10-30 | 日立江森自控空调有限公司 | Air conditioner, air conditioning system, operation control method, and program |
| CN112984643A (en) * | 2021-03-02 | 2021-06-18 | 上海理工大学 | Outdoor unit anti-frosting device of air source heat pump air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119261A (en) * | 1994-06-02 | 1996-03-27 | Lg电子株式会社 | Dewaterring apparatus and method of air conditioner |
| CN2607532Y (en) * | 2003-01-27 | 2004-03-24 | 珠海格力电器股份有限公司 | Outdoor unit for split-type air conditioner |
| CN101639248A (en) * | 2008-08-01 | 2010-02-03 | 乐金电子(天津)电器有限公司 | Outdoor unit of air conditioner |
| JP2011226753A (en) * | 2010-04-20 | 2011-11-10 | Kiyoshi Yanagimachi | Air conditioning facility and geothermal heat pipe |
| CN103075770A (en) * | 2013-01-18 | 2013-05-01 | 清华大学 | Rotating wheel dehumidification device utilizing indoor exhaust evaporation cooling and use method of rotating wheel dehumidification device |
| CN203928192U (en) * | 2014-06-23 | 2014-11-05 | 青岛海尔空调器有限总公司 | The air-conditioner outdoor unit with air pretreatment function |
| CN205807679U (en) * | 2016-07-18 | 2016-12-14 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit and air-conditioner |
-
2016
- 2016-07-18 CN CN201610569180.4A patent/CN106091166A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119261A (en) * | 1994-06-02 | 1996-03-27 | Lg电子株式会社 | Dewaterring apparatus and method of air conditioner |
| CN2607532Y (en) * | 2003-01-27 | 2004-03-24 | 珠海格力电器股份有限公司 | Outdoor unit for split-type air conditioner |
| CN101639248A (en) * | 2008-08-01 | 2010-02-03 | 乐金电子(天津)电器有限公司 | Outdoor unit of air conditioner |
| JP2011226753A (en) * | 2010-04-20 | 2011-11-10 | Kiyoshi Yanagimachi | Air conditioning facility and geothermal heat pipe |
| CN103075770A (en) * | 2013-01-18 | 2013-05-01 | 清华大学 | Rotating wheel dehumidification device utilizing indoor exhaust evaporation cooling and use method of rotating wheel dehumidification device |
| CN203928192U (en) * | 2014-06-23 | 2014-11-05 | 青岛海尔空调器有限总公司 | The air-conditioner outdoor unit with air pretreatment function |
| CN205807679U (en) * | 2016-07-18 | 2016-12-14 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit and air-conditioner |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594908A (en) * | 2017-01-25 | 2017-04-26 | 天津大学 | Novel frostless air source heat pump system with runner dehumidification |
| CN107327974A (en) * | 2017-08-08 | 2017-11-07 | 青岛海尔空调器有限总公司 | Air-conditioner outdoor unit |
| CN108775625A (en) * | 2018-07-26 | 2018-11-09 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN109114689A (en) * | 2018-09-27 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of heat pump united air-conditioning system and air conditioner |
| CN111853927A (en) * | 2019-04-24 | 2020-10-30 | 日立江森自控空调有限公司 | Air conditioner, air conditioning system, operation control method, and program |
| CN110762757A (en) * | 2019-11-06 | 2020-02-07 | 青岛海尔空调电子有限公司 | Air conditioning system and control method thereof |
| CN112984643A (en) * | 2021-03-02 | 2021-06-18 | 上海理工大学 | Outdoor unit anti-frosting device of air source heat pump air conditioner |
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Application publication date: 20161109 |