CN102538297B - Outdoor heat exchanger and heat pump having the same - Google Patents
Outdoor heat exchanger and heat pump having the same Download PDFInfo
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- CN102538297B CN102538297B CN201110378687.9A CN201110378687A CN102538297B CN 102538297 B CN102538297 B CN 102538297B CN 201110378687 A CN201110378687 A CN 201110378687A CN 102538297 B CN102538297 B CN 102538297B
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- Prior art keywords
- coating material
- heat exchanger
- sleeve pipe
- fin
- outdoor heat
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Classifications
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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
- F25B39/00—Evaporators; Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
- F28F13/182—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing especially adapted for evaporator or condenser surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/006—Preventing deposits of ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2245/00—Coatings; Surface treatments
- F28F2245/02—Coatings; Surface treatments hydrophilic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2245/00—Coatings; Surface treatments
- F28F2245/04—Coatings; Surface treatments hydrophobic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S165/00—Heat exchange
- Y10S165/51—Heat exchange having heat exchange surface treatment, adjunct or enhancement
- Y10S165/512—Coated heat transfer surface
- Y10S165/514—Hydrophilic/hydrophobic coating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Other Air-Conditioning Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides an outdoor heat exchanger and a heat pump having the same. The heat pump may include the outdoor heat exchanger that performs a heat exchange operation between refrigerant and outdoor air. The outdoor heat exchanger may include a refrigerant tube that guides refrigerant therethrough, and one or more fins coupled to the refrigerant tube. One face of each of the fins may be coated with a water repellent coating material and another face thereof may be coated with a hydrophilic coating material. An area coated with the water repellent coating material may be greater than an area coated with the hydrophilic coating material.
Description
The cross reference of related application
The application requires the priority of the Korean application No.10-2010-0115643 of submission on November 19th, 2010, and its full content is incorporated herein by reference.
Technical field
The present invention relates to heat exchanger and there is the heat pump of this heat exchanger, more specifically, relate to the outdoor heat exchanger that comprises hydrophilic coating and waterproof (water repellent) coating, and the heat pump with this outdoor heat exchanger.
Background technology
Conventionally, heat pump is the equipment that comprises compressor, condensing heat exchanger, expansion mechanism and evaporating heat exchanger.This heat pump can be used to cooling or heating clamber inner region and/or hot-water supply.
Summary of the invention
The object of the present invention is to provide a kind of heat exchanger and there is the heat pump of this heat exchanger.
In a scheme, the present invention proposes a kind of heat pump, comprising: compressor; Outdoor heat exchanger, carries out the heat exchange between cold-producing medium and outdoor air; Indoor heat exchanger, carries out the heat exchange between cold-producing medium and room air; And expander, be arranged between described outdoor heat exchanger and described indoor heat exchanger, wherein, described outdoor heat exchanger comprises: refrigerant pipe, guiding cold-producing medium process; One or more fins, are connected to described refrigerant pipe; Waterproof coating material, is applied to the first surface of each fin in described one or more fin; And hydrophilic coating material, be applied to the second surface of each fin in described one or more fin, wherein, the region that scribbles described waterproof coating material is greater than the region that scribbles described hydrophilic coating material.
Preferably, each fin in one or more fins can comprise: cylindrical sleeve roughly, the inner peripheral surface and the outer peripheral face that is exposed to the air of the described outdoor heat exchanger of flowing through with the described refrigerant pipe of contact, wherein, the outer peripheral face of described sleeve pipe scribbles described waterproof coating material; And plate body, from described sleeve pipe, stretching out, described plate body is exposed to the air of the described outdoor heat exchanger of flowing through.
Preferably, the inner peripheral surface of sleeve pipe can scribble hydrophilic coating material.
Preferably, the outer peripheral face from described sleeve pipe of described plate body stretches out and scribbles described waterproof coating material perpendicular to the first surface of the outer peripheral face of described sleeve pipe, and the inner peripheral surface from described sleeve pipe of described plate body stretches out and scribbles described hydrophilic coating material perpendicular to the second surface of the inner peripheral surface of described sleeve pipe.
Preferably, the region that scribbles described waterproof coating material of each fin in one or more fins can be than the overall area of air that is exposed to the described outdoor heat exchanger of flowing through large 0.5 times and little 0.6 times.
Preferably, one or more fins can comprise a plurality of fins that arrange by predetermined space along described refrigerant pipe, wherein, be coated in described hydrophilic coating material face in any of described a plurality of fins to the described waterproof coating material being coated in the adjacent fin of described a plurality of fins.
Preferably, the direction positioned alternate that described waterproof coating material and described hydrophilic coating material can be vertical along the airflow direction with described outdoor heat exchanger.
Preferably, each fin of a plurality of fins can be made by aluminum.
The contact angle of the condensed water preferably, producing on the surface of waterproof coating material can be greater than 90 ° and be less than 150 °.
The contact angle of the condensed water preferably, producing on the surface of hydrophilic coating material can be greater than 0 ° and be less than 30 °.
In another scheme, the present invention proposes a kind of outdoor heat exchanger, comprising: refrigerant pipe, guiding cold-producing medium process, and a plurality of fin is connected to described refrigerant pipe, wherein, each fin of described a plurality of fins comprises: cylindrical sleeve, around described refrigerant pipe assembling; And plate body, from described sleeve pipe, stretch out and perpendicular to described sleeve pipe, wherein, the direct outward extending first surface of first surface from described sleeve pipe of the first surface of described sleeve pipe and described plate body scribbles waterproof coating material, and the direct outward extending second surface of the second surface from described sleeve pipe of the second surface of described sleeve pipe and described plate body scribbles hydrophilic coating material.
Preferably, the second surface of described sleeve pipe is the inner peripheral surface against described refrigerant pipe location of described sleeve pipe, and the second surface of described plate body directly stretches out from the corresponding edge of described sleeve pipe and perpendicular to the inner peripheral surface of described sleeve pipe.
Preferably, the first surface of described sleeve pipe is the outer peripheral face relative with inner peripheral surface described sleeve pipe described sleeve pipe, and wherein, the first surface of described plate body stretches out and perpendicular to the outer peripheral face of described sleeve pipe from the outer peripheral face of described sleeve pipe.
Preferably, the region that scribbles described waterproof coating material of each fin of a plurality of fins can be than being exposed to of each fin of described a plurality of fins large 0.5 times and little 0.6 times of the region of outdoor air of described outdoor heat exchanger of flowing through.
Preferably, the contact angle of the condensed water producing on the surface of described waterproof coating material can be greater than 90 ° and be less than 150 °, and the contact angle of the condensed water producing on the surface of described hydrophilic coating material can be greater than 0 ° and be less than 30 °.
Beneficial effect of the present invention is, owing to being provided with the region that scribbles waterproof coating material in the region of waterproof coating material and hydrophilic coating material and ingress of air, be greater than the region that scribbles hydrophilic coating material, so can guarantee sufficient heating efficiency in carrying out heating operation.
In addition, because waterproof coating material is painted on the face of ingress of air of sleeve pipe, so it is minimum and can carry out rapidly defrosting to make to concentrate on frost on sleeve pipe.
Further, when extending the duration of heating operation, can make the duration of defrost operation minimum.
Accompanying drawing explanation
Below with reference to the following drawings, describe the present invention in detail, wherein identical Reference numeral refers to identical element, wherein:
Fig. 1 is according to the schematic diagram of the heat pump of the embodiment at this generalized description;
Fig. 2 is the amplification view of the outdoor heat exchanger of the heat pump shown in Fig. 1;
Fig. 3 is that the heating operation duration is with respect to the curve map of the hydrophilic coating of the heat pump shown in Fig. 1 and Fig. 2 and the ratio of waterproof coating;
Fig. 4 is that the defrost operation duration is with respect to the curve map of the hydrophilic coating of the heat pump shown in Fig. 1 and Fig. 2 and the ratio of waterproof coating;
Fig. 5 is the enlarged side view of the condensed water that produces on the fin that scribbles waterproof coating of the heat pump shown in Fig. 1 and Fig. 2; And
Fig. 6 is the enlarged side view of the condensed water that produces on the fin that scribbles hydrophilic coating of the heat pump shown in Fig. 1 and Fig. 2.
The specific embodiment
With reference to Fig. 1, as embodied the also heat pump of generalized description at this, comprise the compressor 2 of compressed refrigerant and make cold-producing medium and outdoor air carry out the outdoor heat exchanger 4 of heat exchange.Outdoor heat exchanger 4 allows cold-producing medium and the mobile outdoor air that turns round because of outdoor fan 5 to carry out heat exchange, therefore makes condensation of refrigerant or evaporation.
Heat pump can comprise indoor heat exchanger 6, and described indoor heat exchanger 6 allows cold-producing medium and room air to carry out heat exchange, or allows cold-producing medium and thermophores such as anti-icing fluid, water to carry out heat exchange.
Heat pump can be configured to heat pump air conditioner and/or heat-pump water heater.The in the situation that of heat pump air conditioner, the cold-producing medium in room air and indoor heat exchanger 6 carries out heat exchange, is then discharged in room area, to change indoor temperature.The in the situation that of heat-pump water heater, thermophores such as water, anti-icing fluid can with indoor heat exchanger 6 in cold-producing medium carry out heat exchange, for use in hot-water supply.
The in the situation that of heat pump air conditioner, indoor heat exchanger 6 comprises the refrigerant pipe of permission cold-producing medium process and comprises one or more fin tube heat exchangers that connect with refrigerant pipe, room air contacts with fin tube heat exchanger thus, to carry out heat exchange with cold-producing medium.
Indoor heat exchanger 6 makes to carry out heat exchange because of the cold-producing medium of process in the mobile room air of indoor fan 7 runnings and indoor heat exchanger 6, so that condensation of refrigerant or evaporation.
The in the situation that of heat-pump water heater, indoor heat exchanger 6 is configured to comprise the first stream that allows cold-producing medium process and Dual-tube heat exchanger (dual-pipe heat exchanger), disc heat interchanger or the shell and tube exchanger (shell-tube type heat exchanger) that allows the second stream of thermophore process, wherein the cold-producing medium in the first stream and the thermophore in the second stream and the heat transfer member that is plugged between them carry out heat exchange, in the case, the thermophore through the second stream carries out heat exchange with the cold-producing medium by heat transfer member.
Indoor heat exchanger 6 can be connected with the container (or boiler) that holds thermophore by the thermophore stream that circulates, and when the thermophore flowing out from container (or boiler) passes through the second stream of indoor heat exchanger 6, cold-producing medium is evaporated or is condensed.
Heat pump comprises the expansion mechanism 8 being arranged between indoor heat exchanger 6 and outdoor heat exchanger 4, so that cold-producing medium expands.
Heat pump also comprises stream switch 10, it,, for allowing cold-producing medium to be passed to expansion mechanism 8 from outdoor heat exchanger 4, is then passed to indoor heat exchanger 6, or is passed to indoor heat exchanger 6 from compressor 2, then be passed to expansion mechanism 8, be then passed to outdoor heat exchanger 4.
Stream switch 10 can be the four-way valve that changes refrigerant flow direction, or changes a plurality of switching valves of refrigerant flow direction.In the following description, suppose to change refrigerant flow direction with four-way valve.
Heat pump can comprise outdoor unit O and indoor unit I, and outdoor unit O comprises compressor 2, outdoor heat exchanger 4, outdoor fan 5, expansion mechanism 8 and stream switch 10, and indoor unit I comprises indoor heat exchanger 6 and indoor fan 7.
In certain embodiments, heat pump can be carried out refrigerating operation and heating operation.In interchangeable embodiment, heat pump can be carried out refrigerating operation, heating operation and defrost operation, or can carry out heating operation and defrost operation.
With indoor heat exchanger 6, carry out the cooling thermophore of refrigerating operation or room air.For refrigerating operation, in compressor 2, compressed cold-producing medium flows to outdoor heat exchanger 4, passes through subsequently expansion mechanism 8 and indoor heat exchanger 6, then returns to compressor 2.
Carry out heating operation and heat thermophore or room air.For heating operation, in compressor 2, compressed cold-producing medium flows to indoor heat exchanger 6, passes through subsequently expansion mechanism 8 and outdoor heat exchanger 4, then returns to compressor 2.
By the cold-producing medium of compression being guided into outdoor heat exchanger 4, carry out defrost operation to eliminate the frost producing at outdoor heat exchanger 4 places.The same with refrigerating operation, in defrost operation, in compressor 2, compressed cold-producing medium flows to outdoor heat exchanger 4, passes through subsequently expansion mechanism 8 and indoor heat exchanger 6, then returns to compressor 2.
In defrost operation, part compressed refrigerant can be through a part of stream of outdoor heat exchanger 4, partly to remove the frost of outdoor heat exchanger 4, remaining compressed refrigerant can pass through indoor heat exchanger 6 and expansion mechanism 8 subsequently, the remainder of the stream of process outdoor heat exchanger 4, then can return to compressor 2.
While carrying out heating operation when meeting defrosting condition, carry out defrost operation.Hereinafter, when meeting while having defrosted condition, operation can be returned to heating operation again.
Defrosting condition can comprise, such as the accumulated value of the operating time scheduled volume of heat pump in heating operation, outdoor temperature, the suction degree of superheat (suction overheat degree) etc., the needs that it causes defrosting to impose a condition.Similarly, the condition of defrosting can comprise, the time scheduled volume having operated in defrost operation such as heat pump, outdoor temperature, the suction degree of superheat etc., and its indication has defrosted and can stop defrost operation.
When carrying out heating operation with heat pump, stream switch 10 is guided the cold-producing medium of compression in compressor 2 into outdoor heat exchanger 4, when meeting defrosting condition, stream switch 10 is guided the cold-producing medium of compression in compressor 2 into indoor heat exchanger 6, after this, when heat pump returns to heating operation, stream switch 10 is guided the compressed refrigerant of compression in compressor 2 into outdoor heat exchanger 4.
As shown in Figure 2, outdoor heat exchanger 4 can be configured to fin tube heat exchanger, and this fin tube heat exchanger comprises refrigerant pipe 12 and the one or more fin 14 that is connected to refrigerant pipe 12 that allows cold-producing medium process.Outdoor air carries out heat exchange with the cold-producing medium through one or more fins 14 and refrigerant pipe 12.Waterproof coating material 16 and hydrophilic coating material 18 can be painted on the fin 14 of outdoor heat exchanger 4.
In the illustrative examples shown in Fig. 2, waterproof coating material 16 is painted on a surface of fin 14, and hydrophilic coating material 18 is painted on another surface upper (i.e. the surface relative with the surface that scribbles waterproof coating material) of fin 14.
When waterproof coating material 16 is painted on the fin 14 of outdoor heat exchanger 4, can postpones growth white on the surface of fin 14, and can extend the duration (without defrost operation) of heating operation.When hydrophilic coating material 18 is coated on the fin 14 of outdoor heat exchanger 4, can during defrost operation, completes more rapidly white thawing, and can shorten the duration of defrost operation.
In certain embodiments, fin 14 can scribble hydrophilic coating material 18 and waterproof coating material 16, makes to postpone white growth, and can make the frost of any accumulation be removed in the time quantum shortening.
As at this, embody and the heat pump of generalized description in, if by the region that scribbles waterproof coating material 16 (, the heat transfer region of waterproof coating air side) with contacting of fin 14 flow through heat exchanger air region (, the heat transfer region of whole air side) ratio is taken into account, as shown in Figure 3, and the impact that the duration of defrost operation can be subject to as shown in Figure 4 in the impact that the duration of heating operation can be subject to.
With reference to Fig. 3 and Fig. 4, in order to shorten the duration of defrost operation, extend the duration of continual heating operation simultaneously, the region that scribbles waterproof coating material 16 of fin 14 can be greater than the region that scribbles hydrophilic coating material 18.In certain embodiments, the region that fin scribbles waterproof coating material 16 can be exposed to large 0.5 times and little 0.6 times of the region of air/ingress of air than fin 14.
If the region that scribbles waterproof coating material 16 of fin 14 is less 0.5 times than the region of ingress of air, the duration of so corresponding heating operation may be too short, when the region that scribbles waterproof coating material 16 of fin 14 is during than large 0.6 times of the region of ingress of air, the duration of heating operation can be extended, but in the case, the duration of defrost operation also can be extended.Therefore, the region that scribbles waterproof coating material 16 of fin 14 is than the region of ingress of air large 0.5 times and little 0.6 times.
Each fin 14 comprises plate body 22 and sleeve pipe 24, and plate body 22 has the opposite face of two contact chamber outer air, and sleeve pipe 24 is cylindric from plate body 22 and stretches out and connect with refrigerant pipe 12.
Two faces of plate body 22 all can form the contact-making surface of outdoor air, and one in two faces can scribble waterproof coating material 16, and another can scribble hydrophilic coating material 18.
The inner peripheral surface A of sleeve pipe 24 can contact refrigerant pipe 12, and the outer peripheral face B of sleeve pipe 24 can contact chamber outer air.In certain embodiments, the inner peripheral surface A of sleeve pipe 24 can scribble hydrophilic coating material 18, and the outer peripheral face B of sleeve pipe 24 can scribble waterproof coating material 16.
Two opposite face C, D of plate body 22 can comprise that an outer peripheral face B from sleeve pipe 24 stretches out and perpendicular to the face D of outer peripheral face B, the face D of plate body 22 can scribble waterproof coating material 16.The opposite face C of plate body 22 can scribble hydrophilic coating material 18, and can be from the inner peripheral surface A extension of sleeve pipe 24 and perpendicular to inner peripheral surface A.
In outdoor heat exchanger 4, a plurality of fins 14 can be along the length of refrigerant pipe 12, spaced apart from each other at predetermined intervals the refrigerant pipe 12 that is connected to.As shown in Figure 2, sleeve pipe 24 connects with a plurality of fins 14, and be arranged so that along refrigerant pipe 12 sleeve pipe 24 stretches out along equidirectional, be arranged so that waterproof coating material 16 and hydrophilic coating material 18 can, by such positioned in sequence, be waterproof coating material 16 → hydrophilic coating material 18 → waterproof coating material 16 → hydrophilic coating material 18 along the flow direction perpendicular to outdoor air.
In other words, being coated in hydrophilic coating material 18 on any fins of a plurality of fins 14 is oriented to towards any other fin that is coated in a plurality of fins 14 (particularly, adjacent fin 14) the waterproof coating material 16 on, the condensed water between fin 14 can be along hydrophilic coating material 18 by quick drain.
Fig. 5 be as at this, embody and the waterproof coating surface of the fin of the heat pump of generalized description on the enlarged side view of the condensed water that produces, Fig. 6 be as at this, embody and the hydrophilic coating surface of the heat pump of generalized description on the enlarged side view of the condensed water that produces.
In certain embodiments, the fin 14 of outdoor heat exchanger 4 can be made by compare relative cheap aluminum with copper product.This aluminum can comprise for example aluminium alloy.
When waterproof coating material 16 and hydrophilic coating material 18 are painted on the fin that aluminum makes, in order to make waterproof coating material 16 and hydrophilic coating material 18 meet suitable durability condition, waterproof coating material 16 can be the coating material that meets such condition, this condition is that the contact angle E ° of the condensed water W that produces on the surface of waterproof coating material 16 is greater than approximately 90 ° and be less than approximately 150 °, hydrophilic coating material 18 can be the coating material that meets such condition, and this condition is that the contact angle F ° of condensed water W is greater than approximately 0 ° and be less than approximately 30 °.
By outdoor heat exchanger and the heat pump with this outdoor heat exchanger are set, can extend the duration of heating operation and can strengthen heating properties.
As embodied the also heat pump with outdoor heat exchanger of generalized description at this, can comprise: the compressor of compressed refrigerant; Make cold-producing medium and outdoor air carry out the outdoor heat exchanger of heat exchange; Make cold-producing medium and room air or thermophore carry out the indoor heat exchanger of heat exchange; And be arranged between outdoor heat exchanger and indoor heat exchanger so that the expansion mechanism that cold-producing medium expands, wherein outdoor heat exchanger comprises cold-producing medium refrigerant pipe and one or more fin connecting with refrigerant pipe of process therein, the one side of each fin scribbles waterproof coating material, its another side all scribbles hydrophilic coating material, and the region that scribbles waterproof coating material in the region of ingress of air is greater than the region that scribbles hydrophilic coating material.
Each fin can comprise the board body part of contact chamber outer air and be the cylindric sleeve pipe stretching out from board body part, and sleeve pipe has the inner peripheral surface contacting with refrigerant pipe and the outer peripheral face contacting with outdoor air.The outer peripheral face of sleeve pipe can scribble waterproof coating material.The inner peripheral surface of sleeve pipe can scribble hydrophilic coating material.
In the middle of two faces of board body part, the extending into the face vertical with the outer peripheral face of sleeve pipe and can scribble waterproof coating material of board body part, in the middle of two faces of board body part, the extending into the face vertical with the inner peripheral surface of sleeve pipe and can scribble hydrophilic coating material of board body part.
The region that scribbles waterproof coating material of fin can be than the region of the contact chamber outer air of fin large 0.5 times and little 0.6 times.
A plurality of fins can be connected into they are separated along the length direction of refrigerant pipe with refrigerant pipe, and being coated in hydrophilic coating material on any fins of a plurality of fins can be towards the waterproof coating material being coated on other any fins of a plurality of fins.
In this outdoor heat exchanger, waterproof coating material and hydrophilic coating material can alternately be arranged along the direction flowing to perpendicular to outdoor air.
Fin can be made by aluminum.
Waterproof coating material can be to make the contact angle of the condensed water that produces on the surface of waterproof coating material be greater than 90 ° and be less than the coating material of 150 °.
Hydrophilic coating material can be to make the contact angle of the condensed water that produces on the surface of hydrophilic coating material be greater than 0 ° and be less than the coating material of 30 °.
As embody here and the heat exchanger of generalized description in, owing to being all provided with the region that scribbles waterproof coating material in the region of waterproof coating material and hydrophilic coating material and ingress of air, be greater than the region that scribbles hydrophilic coating material, so can guarantee sufficient heating efficiency in carrying out heating operation.
In addition, because waterproof coating material is painted on the face of ingress of air of sleeve pipe, so it is minimum and can carry out rapidly defrosting to make to concentrate on frost on sleeve pipe.
Further, when extending the duration of heating operation, can make the duration of defrost operation minimum.
" embodiment " that this description is mentioned, " embodiment ", " exemplary embodiment " etc. mean that specific features, structure or the characteristic described are included at least one embodiment of the present invention in conjunction with the embodiments.These phrases that occur everywhere at this description may not all refer to same embodiment.Further, when describing specific features, structure or characteristic in conjunction with any embodiment, should think, those skilled in the art can expect that other side in conjunction with the embodiments realizes these features, structure or characteristic.
Although described the present invention with reference to a plurality of exemplary embodiments, it should be understood that, those skilled in the art can design multiple other remodeling and embodiment, and these remodeling and embodiment will drop in spirit and scope.More specifically, can, in the scope of this description, accompanying drawing and claims, to parts and/or the structure of the combination configuration of theme, carry out various modification and change.Except parts and/or structure are carried out modification and change, substituting use is also apparent to those skilled in the art.
Claims (10)
1. a heat pump, comprising:
Compressor;
Outdoor heat exchanger, carries out the heat exchange between cold-producing medium and outdoor air;
Indoor heat exchanger, carries out the heat exchange between cold-producing medium and room air; And
Expander, is arranged between described outdoor heat exchanger and described indoor heat exchanger, and wherein, described outdoor heat exchanger comprises:
Refrigerant pipe, guiding cold-producing medium process;
One or more fins, are connected to described refrigerant pipe;
Waterproof coating material, is applied to the first surface of each fin in described one or more fin; And
Hydrophilic coating material, is applied to the second surface of each fin in described one or more fin, and wherein, the region that scribbles described waterproof coating material is greater than the region that scribbles described hydrophilic coating material,
Wherein, each fin in described one or more fin comprises:
Roughly cylindrical sleeve, has the inner peripheral surface that contacts described refrigerant pipe and the outer peripheral face that is exposed to the air of the described outdoor heat exchanger of flowing through, and wherein, the outer peripheral face of described sleeve pipe scribbles described waterproof coating material; And
Plate body, stretches out from described sleeve pipe, and described plate body is exposed to the air of the described outdoor heat exchanger of flowing through,
Wherein, the region that scribbles described waterproof coating material of each fin in described one or more fin is larger and than 0.6 times little of overall area that is exposed to the air of the described outdoor heat exchanger of flowing through than 0.5 times of overall area of air that is exposed to the described outdoor heat exchanger of flowing through.
2. heat pump as claimed in claim 1, wherein, the inner peripheral surface of described sleeve pipe scribbles hydrophilic coating material.
3. heat pump as claimed in claim 1, wherein, the outer peripheral face from described sleeve pipe of described plate body stretches out and scribbles described waterproof coating material perpendicular to the first surface of the outer peripheral face of described sleeve pipe, and the inner peripheral surface from described sleeve pipe of described plate body stretches out and scribbles described hydrophilic coating material perpendicular to the second surface of the inner peripheral surface of described sleeve pipe.
4. heat pump as claimed in claim 1, wherein, described one or more fin comprises a plurality of fins that arrange by predetermined space along described refrigerant pipe, wherein, be coated in described hydrophilic coating material face in any of described a plurality of fins to the described waterproof coating material being coated in the adjacent fin of described a plurality of fins.
5. heat pump as claimed in claim 4, wherein, described waterproof coating material with described hydrophilic coating material along the vertical direction positioned alternate of the airflow direction with described outdoor heat exchanger.
6. heat pump as claimed in claim 5, wherein, each fin of described a plurality of fins is made by aluminum.
7. heat pump as claimed in claim 4, wherein, the contact angle of the condensed water producing on the surface of described waterproof coating material is greater than 90 ° and be less than 150 °.
8. heat pump as claimed in claim 5, wherein, the contact angle of the condensed water producing on the surface of described hydrophilic coating material is greater than 0 ° and be less than 30 °.
9. an outdoor heat exchanger, comprising:
Refrigerant pipe, guiding cold-producing medium process, and also a plurality of fin is connected to described refrigerant pipe, and wherein, each fin of described a plurality of fins comprises:
Cylindrical sleeve, around described refrigerant pipe assembling; And
Plate body, from described sleeve pipe, stretch out and perpendicular to described sleeve pipe, wherein, the direct outward extending first surface of first surface from described sleeve pipe of the first surface of described sleeve pipe and described plate body scribbles waterproof coating material, the direct outward extending second surface of second surface from described sleeve pipe of the second surface of described sleeve pipe and described plate body scribbles hydrophilic coating material
Wherein, the second surface of described sleeve pipe is the inner peripheral surface against described refrigerant pipe location of described sleeve pipe, and the second surface of described plate body directly stretches out from the corresponding edge of described sleeve pipe and perpendicular to the inner peripheral surface of described sleeve pipe,
Wherein, the first surface of described sleeve pipe is the outer peripheral face relative with inner peripheral surface described sleeve pipe described sleeve pipe, and wherein, the first surface of described plate body stretches out and perpendicular to the outer peripheral face of described sleeve pipe from the outer peripheral face of described sleeve pipe,
Wherein, the region that scribbles described waterproof coating material of each fin of described a plurality of fins is larger and than 0.6 times little of region that is exposed to the outdoor air of the described outdoor heat exchanger of flowing through than flow through 0.5 times of region of outdoor air of described outdoor heat exchanger of being exposed to of each fin of described a plurality of fins.
10. outdoor heat exchanger as claimed in claim 9, wherein, the contact angle of the condensed water producing on the surface of described waterproof coating material is greater than 90 ° and be less than 150 °, and the contact angle of the condensed water producing on the surface of described hydrophilic coating material is greater than 0 ° and be less than 30 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0115643 | 2010-11-19 | ||
| KR1020100115643A KR20120054321A (en) | 2010-11-19 | 2010-11-19 | Heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102538297A CN102538297A (en) | 2012-07-04 |
| CN102538297B true CN102538297B (en) | 2014-12-03 |
Family
ID=45440097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110378687.9A Expired - Fee Related CN102538297B (en) | 2010-11-19 | 2011-11-18 | Outdoor heat exchanger and heat pump having the same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20120125030A1 (en) |
| EP (1) | EP2455687B1 (en) |
| KR (1) | KR20120054321A (en) |
| CN (1) | CN102538297B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130092249A (en) * | 2012-02-10 | 2013-08-20 | 엘지전자 주식회사 | Heat pump |
| JP5932597B2 (en) * | 2012-10-11 | 2016-06-08 | 三菱電機株式会社 | HEAT EXCHANGER, MANUFACTURING METHOD THEREOF, AND AIR CONDITIONER HAVING THE HEAT EXCHANGER |
| KR20140096706A (en) * | 2013-01-29 | 2014-08-06 | 한라비스테온공조 주식회사 | Evaporator |
| US10107509B2 (en) * | 2014-11-21 | 2018-10-23 | Mitsubishi Electric Corporation | System and method for controlling an outdoor air conditioner |
| JP6596313B2 (en) * | 2015-11-20 | 2019-10-23 | 株式会社Ｕａｃｊ | Pre-coated fins and heat exchanger |
| JP6559334B2 (en) * | 2016-04-15 | 2019-08-14 | 三菱電機株式会社 | Heat exchanger |
| CN110392815B (en) * | 2017-03-31 | 2021-06-11 | 大金工业株式会社 | Heat exchanger and air conditioner |
| JP2019016709A (en) * | 2017-07-07 | 2019-01-31 | 富士通株式会社 | Cooling device, exhaust purifier, and motor vehicle |
| WO2021016151A1 (en) * | 2019-07-20 | 2021-01-28 | Nelumbo Inc. | Heat exchangers and systems thereof |
| US20230121635A1 (en) * | 2021-10-14 | 2023-04-20 | Amulaire Thermal Technology, Inc. | Immersion heat dissipation structure having macroscopic fin structure and immersion heat dissipation structure having fin structure |
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- 2011-11-17 US US13/298,335 patent/US20120125030A1/en not_active Abandoned
- 2011-11-18 CN CN201110378687.9A patent/CN102538297B/en not_active Expired - Fee Related
- 2011-11-18 EP EP11189705.4A patent/EP2455687B1/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2455687A3 (en) | 2015-09-30 |
| EP2455687B1 (en) | 2017-08-30 |
| US20120125030A1 (en) | 2012-05-24 |
| CN102538297A (en) | 2012-07-04 |
| KR20120054321A (en) | 2012-05-30 |
| EP2455687A2 (en) | 2012-05-23 |
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