CN1504699A - Outdoor heat exchanger for heat pump - Google Patents
Outdoor heat exchanger for heat pump Download PDFInfo
- Publication number
- CN1504699A CN1504699A CNA200310120949A CN200310120949A CN1504699A CN 1504699 A CN1504699 A CN 1504699A CN A200310120949 A CNA200310120949 A CN A200310120949A CN 200310120949 A CN200310120949 A CN 200310120949A CN 1504699 A CN1504699 A CN 1504699A
- Authority
- CN
- China
- Prior art keywords
- heat pump
- fin
- outdoor heat
- heat exchanger
- ventilation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- 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
- F28F1/126—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 consisting of zig-zag shaped fins
- F28F1/128—Fins with openings, e.g. louvered fins
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-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Provided is a parallel flow type outdoor heat exchanger for a heat pump having no fear of freezing by surely draining water remaining on a fin surface to the outside of the heat exchanger in defrosting. A trough line and a ridgeline of a corrugated shape of a corrugated fin 4 of a heat pump outdoor machine heat exchanger composed of a plurality of flat tubes and corrugated fins arranged in parallel, are inclined in the depth direction of the heat exchanger.
Description
Technical field
The present invention relates to also stream (parallelflow) type heat pump outdoor heat converter of a kind of use on room air conditioner, packaged air conditioner etc.
Background technology
In the parallel flow type heat exchanger, the edge is perpendicular to alternately stacked a plurality of flat tubes and the corrugated fin that be arranged in parallel of the direction of direction of ventilation, and the two ends of each flat tube are connected to (for example, referring to patent documentation 1) on a pair of hollow collector.
When such heat pump is used as condenser with outdoor heat converter, when promptly air-conditioner uses as air-cooling system, generally the frosting defrosting is not considered.
Fig. 5 is the stereogram of heat pump with outdoor heat converter integral body, and Fig. 6 is its a part of enlarged drawing.
As illustrated in Figures 5 and 6, between a plurality of flat tubes 20 that be arranged in parallel, clip and flat tube 20 hot linked corrugated fins 22.Flat tube 20 is identical with the length FD of corrugated fin 22 on direction of ventilation at the length T D on the direction of ventilation, and the justify align of the two ends of flat tube 20 and corrugated fin 22.In corrugated fin 22, form a plurality of vent windows 24 along direction of ventilation, the vent window 24a of direction of ventilation upstream side and the vent window 24b in downstream are of similar shape, but tilt in the opposite direction.
Vent air A flows between the corrugated fin 22, and in the gap of vent window 24, flow, and when vent air A passes through corrugated fin 22, emit cold and hot (perhaps warm) that vent air A is had, and be transmitted to the vapo(u)rability medium 26 that flows among a plurality of aperture 20a in being arranged at flat tube 20.Under the situation of air-conditioner refrigeration running, the flow direction of vapo(u)rability medium 26 be and Fig. 6 in shown in the arrow M just in the opposite direction; Cause at air-conditioner under the situation of warm running, flow direction is the direction shown in the arrow M.On the hollow collector 28, hollow collector 28 formed the gateway of vapo(u)rability media 26 about the two ends of the flat tube 20 that be arranged in parallel were connected to.End plate 30 be installed to heat exchanger about the end, in order to the protection corrugated fin 22.
In addition, be provided with little concavo-convexly on the inner face of the aperture 20a that in flat tube 20, forms, be used for promoting to conduct heat.
Patent documentation 1: special fair 3-45300 communique (the 3rd page, Fig. 4).
But, have following problem in outdoor heat converter at above-mentioned existing heat pump.
Cause at air-conditioner under the situation of warm running, the vent air A that gives outdoor heat converter is cold, because last flat tube 20 is as evaporator operation, capture the latent heat of condensation by corrugated fin 22 from vent air A, so vent air A further was cooled by time between the corrugated fin 22.Therefore, the steam that keeps among the air A becomes hypersaturated state, when the wall surface temperature of flat tube 20 and corrugated fin 22 is below 0 ℃ the time, the supersaturation water steam becomes ice, frosting on these walls, and, finally can stop up ventilation channel along with the prolongation of time.
When such frosting reached to a certain degree, causing warm performance can reduce, and therefore will make cold-producing medium adverse current etc., and the running that defrosts.When entering the defrosting running, the frost on flat tube 20 or corrugated fin 22 surfaces dissolves, and wanders via the vent window 24 that is arranged on the corrugated fin 22.
Yet, in above-mentioned existing structure, on corrugated fin 22, also has the delay water droplet of not wandering, return to when causing warm running when turning round from defrosting, the water droplet that is trapped in during the defrosting on the corrugated fin 22 freezes, the worst situation is insoluble in the defrosting running of next time, and ice is accumulated gradually.
Summary of the invention
The present invention proposes in view of these problems that prior art has, the purpose of this invention is to provide a kind of parallel flow type heat pump outdoor heat converter, its water that remains on the fin by will defrost the time positively is discharged to outside the heat exchanger, and does not have the defective of freezing.
To achieve these goals, the 1st invention, use in the outdoor heat converter at the parallel flow type heat pump, alternately the stratum is folded on perpendicular to the direction of direction of ventilation for a plurality of flat tubes that be arranged in parallel and corrugated fin, it is characterized in that making the wave mode line of rabbet joint of previous corrugated shape fin and crest line to tilt at the inward direction of heat exchanger
In addition, the 2nd invention is characterized in that, the wave mode line of rabbet joint of previous corrugated shape fin and crest line become central authorities and be the mountain type shape at top on direction of ventilation.
In addition, the 3rd invention is characterized in that, the vent window face of previous corrugated shape fin and the angle of horizontal plane are littler with the inclination angle of the relative horizontal plane of crest line than the wave mode line of rabbet joint of previous corrugated shape fin.
In addition, the 4th invention is characterized in that the vent window face of previous corrugated shape fin is roughly level.
Description of drawings
Fig. 1 is the partial perspective view that uses outdoor heat converter according to the heat pump of the embodiment of the invention 1;
Fig. 2 is a cutaway view of using the vent window portion of outdoor heat converter according to the heat pump of the embodiment of the invention 2;
Fig. 3 is the partial perspective view that uses outdoor heat converter according to the heat pump of the embodiment of the invention 3;
Fig. 4 is a cutaway view of using the vent window portion of outdoor heat converter according to the heat pump of the embodiment of the invention 4;
Fig. 5 uses the overall perspective view of outdoor heat converter for the present invention and existing parallel flow type heat pump;
Fig. 6 is the partial perspective view of existing parallel flow type heat pump with outdoor heat converter.
Among the figure: the 2-flat tube; Aperture in the 2a-flat tube; The 4-corrugated fin; 6,6a, 6b-vent window; 8-vapo(u)rability medium; The A-vent air.
The specific embodiment
Embodiments of the invention are described with reference to the accompanying drawings.
(embodiment 1)
The parallel flow type heat pump that Fig. 1 illustrates the embodiment of the invention 1 is with the part of outdoor heat converter, its overall diagram as shown in Figure 5 and existing structure basic identical.
, between a plurality of flat tubes 2 that be arranged in parallel, clip and flat tube 2 hot linked corrugated fins 4 with in the outdoor heat converter at heat pump.Each flat tube 2 generally perpendicularly is provided with, and flat tube 2 is identical along the length FD of direction of ventilation with corrugated fin 4 along the length T D of direction of ventilation, and the justify align of the two ends of flat tube 2 and corrugated fin 4.On corrugated fin 4, be provided with a plurality of vent windows 6, it forms in the following manner, promptly by the width of each the surperficial upper edge between the wave mode line of rabbet joint (trough place) and crest line (crest place) perpendicular to the direction incision regulation of main flow direction, and will reverse predetermined angular by the strap that this incision forms, and form described vent window 6 along air main flow direction opening.The vent window 6a of direction of ventilation upstream side and the vent window 6b in downstream are of similar shape.
In addition, the line of rabbet joint of the wave mode of corrugated fin 4 and crest line engage with state and the flat tube 2 that the inward direction rising shape ground towards heat exchanger tilts.
The two ends of the flat tube 2 that be arranged in parallel are connected with a pair of hollow collector up and down, and the hollow collector forms the gateway of vapo(u)rability medium 8.End plate be installed in heat exchanger about the end, in order to the protection corrugated fin 4 (with reference to Fig. 5).
In the vent air A process process of corrugated fin 4, transmit warm (or cold and hot) that vent air A is had expeditiously, thereby heating (perhaps cooling) is along the vapo(u)rability medium 8 that flows among a plurality of aperture 2a that are arranged in the flat tube 2.On the inner surface of aperture 2a, be provided with little concavo-convexly, be used for promoting to conduct heat.Cause at air-conditioner under the situation of warm running, vapo(u)rability medium 8 is heated and evaporates, and flows along the direction of arrow M among Fig. 1.
Cause in the warm running at the air-conditioner of frosting under a situation arises, when frost attached to heat exchanger on, when the temperature of heat exchanger reduces, entering the defrosting running.The warm working order of causing of when running defrosting and air-conditioner is opposite when entering, while vapo(u)rability medium 8 is given the condensation of heat exchanger heat.By described heat, the frost of fin surface dissolves and becomes water, flow to the fin lower surface along the inclination fin surface of corrugated fin 4, wanders along flat tube 2.Because the water of wandering is discharged to outside the heat exchanger, so there is not icing worry.
In addition, in the structure of Fig. 1, though rise shape ground on the corrugated fin 4 frontage and airiness direction downstreams, fin 4 also can tilt in frontage and airiness direction downstream with descending.
(embodiment 2)
Fig. 2 illustrates the part of the parallel flow type heat pump of the embodiment of the invention 2 with outdoor heat converter, and the section configuration of vent window 6 is shown especially.
In Fig. 2, the vent window 6 surfaces angle θ a with respect to the horizontal plane of corrugated fin 4 is littler than the wave mode line of rabbet joint or the crest line tiltangle b with respect to the horizontal plane of corrugated fin 4.In Fig. 2, especially set θ a=0 (level), but θ a=0 not necessarily.
If adopt such structure, can reach the effect that reduces flowing resistance when making vent air A by corrugated fin 4.
(embodiment 3)
Fig. 3 illustrates the part of the parallel flow type heat pump of the embodiment of the invention 3 with outdoor heat converter.
As shown in Figure 3, the vent window of corrugated fin 4 forms face and forms the central mountain type shape (inverted v-shaped) at top that is along direction of ventilation.Promptly, upstream side in direction of ventilation, the wave mode line of rabbet joint of corrugated fin 4 and crest line engage with flat tube 2 with the state that the inward direction rising shape ground towards heat exchanger tilts, on the other hand, in the downstream of the central portion on direction of ventilation (top) beginning, the wave mode line of rabbet joint of corrugated fin 4 and crest line engage with state and the flat tube 2 that the inward direction decline shape ground towards heat exchanger tilts.
If constitute like this, so when the defrosting running of frosting under a situation arises, the water that the frost of fin surface dissolves generation along on the direction of ventilation of corrugated fin 4 forward (before the hand) side and to the inside the fin surface that tilts of two directions flow to the fin lower surface, and wander along flat tube 2.Because the water of wandering is discharged to outside the heat exchanger, so there is not icing worry.
(embodiment 4)
Fig. 4 illustrates the part of the parallel flow type heat pump of the embodiment of the invention 4 with outdoor heat converter, and the section configuration of vent window 6 especially is shown.
In Fig. 4, vent window 6 surfaces of corrugated fin 4 angle θ a (upstream side is identical with the downstream) with respect to the horizontal plane is littler than the wave mode line of rabbet joint or the crest line tiltangle b (upstream side is identical with the downstream) with respect to the horizontal plane of corrugated fin 4.In Fig. 4, set θ a=0 (level) especially, but θ a=0 not necessarily.
If adopt such structure, can reach the effect that reduces flowing resistance when making vent air A by corrugated fin 4.
In addition, in the various embodiments described above, though flat tube 2 is identical along the length T D of direction of ventilation with corrugated fin 4 along the length T D of direction of ventilation, and two ends are provided with alignment, but flat tube 2 is big or little all more passable along the length T D of direction of ventilation than corrugated fin 4 along the length T D of direction of ventilation, and also can stagger along direction of ventilation in both sides' position.
(invention effect)
The present invention is owing to constituting as described above, so have effect as described below.
If adopt parallel flow type heat pump outdoor heat converter of the present invention, because the wave mode line of rabbet joint of corrugated fin or crest line are tilted at the inward direction of heat exchanger, so the water that remains in during defrosting on the fin surface can be discharged to outside the heat exchanger along the fin surface that tilts, so a kind of worried heat pump outdoor heat converter that do not freeze can be provided.
Claims (4)
1. heat pump outdoor heat converter is along the heat pump outdoor heat converter of the parallel flow type that constitutes perpendicular to the alternately laminated a plurality of flat tubes that be arranged in parallel of the direction of direction of ventilation and corrugated fin, it is characterized in that:
The line of rabbet joint of wave mode of previous corrugated shape fin and crest line are tilted along the direction to the inside of heat exchanger.
2. heat pump outdoor heat converter according to claim 1 is characterized in that: the line of rabbet joint of the wave mode of previous corrugated shape fin and crest line form central authorities and are the mountain type shape at top on direction of ventilation.
3. heat pump outdoor heat converter according to claim 1 and 2 is characterized in that: the angle of the relative horizontal plane of vent window face of previous corrugated shape fin is littler with the inclination angle of the relative horizontal plane of crest line than the line of rabbet joint of the wave mode of previous corrugated shape fin.
4. heat pump outdoor heat converter according to claim 3 is characterized in that: the vent window face of previous corrugated shape fin is roughly level.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002345609 | 2002-11-28 | ||
| JP2002345609A JP2004177040A (en) | 2002-11-28 | 2002-11-28 | Outdoor heat exchanger for heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1504699A true CN1504699A (en) | 2004-06-16 |
Family
ID=32706750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200310120949A Pending CN1504699A (en) | 2002-11-28 | 2003-11-27 | Outdoor heat exchanger for heat pump |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004177040A (en) |
| KR (1) | KR20040047603A (en) |
| CN (1) | CN1504699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018054319A1 (en) * | 2016-09-22 | 2018-03-29 | 杭州三花微通道换热器有限公司 | Heat exchanger core and heat exchanger having same |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055110B (en) * | 2006-09-29 | 2010-05-26 | 曹爱国 | Heat exchanger and indoor thermoelectric air conditioner possessing same |
| US20080277095A1 (en) * | 2007-05-07 | 2008-11-13 | Kelvin Zhai | Heat exchanger assembly |
| JP2010139115A (en) * | 2008-12-10 | 2010-06-24 | Sharp Corp | Heat exchanger and heat exchanger unit |
| JP5579134B2 (en) * | 2011-07-11 | 2014-08-27 | 三菱電機株式会社 | Indoor unit |
| JP2013113480A (en) * | 2011-11-28 | 2013-06-10 | Kobe Steel Ltd | Heat pump apparatus |
| CN103245247A (en) * | 2013-05-24 | 2013-08-14 | 南京北大工道软件技术有限公司 | Sweptback type corrugated fin |
| CN103438745B (en) * | 2013-09-17 | 2016-04-13 | 杭州三花微通道换热器有限公司 | A kind of heat exchanger and fin thereof |
| JP6471345B2 (en) * | 2014-05-29 | 2019-02-20 | パナソニックＩｐマネジメント株式会社 | Heat exchanger |
| CN104132572A (en) * | 2014-06-16 | 2014-11-05 | 苏州威尔博机械有限公司 | S-shaped heat exchanger |
| EP3587988B1 (en) | 2017-02-21 | 2020-10-14 | Mitsubishi Electric Corporation | Heat exchanger and air conditioner |
| WO2020012577A1 (en) * | 2018-07-11 | 2020-01-16 | 三菱電機株式会社 | Heat exchanger, heat exchanger unit, and refrigeration cycle device |
| JP2020034184A (en) | 2018-08-27 | 2020-03-05 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Heat exchanger and air conditioner |
| WO2024023908A1 (en) * | 2022-07-26 | 2024-02-01 | 三菱電機株式会社 | Heat exchanger and refrigeration cycle device |
-
2002
- 2002-11-28 JP JP2002345609A patent/JP2004177040A/en active Pending
-
2003
- 2003-11-20 KR KR1020030082474A patent/KR20040047603A/en not_active Application Discontinuation
- 2003-11-27 CN CNA200310120949A patent/CN1504699A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018054319A1 (en) * | 2016-09-22 | 2018-03-29 | 杭州三花微通道换热器有限公司 | Heat exchanger core and heat exchanger having same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004177040A (en) | 2004-06-24 |
| KR20040047603A (en) | 2004-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |