CN206247932U - Ripple slitted fin and its air-conditioner outdoor unit - Google Patents
Ripple slitted fin and its air-conditioner outdoor unit Download PDFInfo
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- CN206247932U CN206247932U CN201621195870.XU CN201621195870U CN206247932U CN 206247932 U CN206247932 U CN 206247932U CN 201621195870 U CN201621195870 U CN 201621195870U CN 206247932 U CN206247932 U CN 206247932U
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- exchanger tube
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Abstract
The utility model discloses a kind of ripple slitted fin and its air-conditioner outdoor unit, the ripple slitted fin includes：Region, leeward region and two interregional some heat exchanger tube regions are arranged on windward, described heat exchanger tube region is evenly equipped with some heat exchanger tube mounting holes along longitudinal direction；Some first bar shaped hollow outs are arranged between the neighbouring heat exchanger tube mounting hole along heat exchanger tube region axis face to stitch, the region windward and leeward region are arranged with some second bar shaped hollow out seams.The utility model is stitched by opening up bar shaped hollow out in corrugated fin different zones, strengthens air-flow flow-disturbing, so as to lift outdoor unit and freeze and heat the performance under both of which.
Description
Technical field
The utility model relates to a kind of technology in air conditioner refrigerating field, specifically a kind of ripple slitted fin and its sky
Adjust outdoor unit.
Background technology
The outdoor unit heat exchanger of air-conditioner belongs to fin-tube heat exchanger, in cooling mode, outdoor unit heat exchanger heating
Outdoor air, in a heating mode, outdoor unit heat exchanger cools outdoor gas.Traditional outdoor unit fin type mainly includes ripple
Corrugated fin and the major class of slitted fin two, wherein：The coefficient of heat transfer is low in cooling mode for corrugated fin so that heat exchanger performance is low；
The tube pitch and spacing of fin of air-conditioning heat exchanger are small, and the runner of slitted fin is easily blocked in heating mode frosting by frost layer, from
And reduce heat exchanger performance.
Utility model content
The utility model can cause defrosting water of the fin in defrost above circular hole for the fin that existing band engraves circular hole
Accumulation, and condense into the defects such as frost layer when after a large amount of defrosting water being gathered at circular hole in next frosting cycle, it is proposed that it is a kind of
Ripple slitted fin and its air-conditioner outdoor unit, are stitched by opening up bar shaped hollow out in corrugated fin different zones, strengthen air-flow flow-disturbing,
Freezing and heating the performance under both of which so as to lift outdoor unit.
The utility model is achieved through the following technical solutions,
The utility model is related to a kind of corrugated fin, including：If region, leeward region and to be arranged on two interregional windward
Dry heat exchanger tube region, described heat exchanger tube region is evenly equipped with some heat exchanger tube mounting holes along longitudinal direction；
Between the neighbouring heat exchanger tube mounting hole some first bar shapeds are arranged with along heat exchanger tube region axis face
Hollow out is stitched, and the region windward and leeward region are arranged with the second bar shaped hollow out seam.
The region windward and leeward region are symmetrical arranged.
The quantity in the heat exchanger tube region is 1~3, and when the quantity in heat exchanger tube region is more than 1, heat exchanger tube is installed
Hole fork arrangement is put.
The diameter of the heat exchanger tube mounting hole is less than or equal to 9.52mm.
Described the first bar shaped hollow out seam and the second bar shaped hollow out are sewn on each region surface for parallelogram, wherein：It is flat
The side long of row quadrangle and air direction of flow angle are 90 ° ± 10 °, short side and the air direction of flow angle of parallelogram
Less than or equal to 10 °, and the size range of short side is [0.5,1.5] mm, the size range on side long be (0.5,5] mm.
The symmetrically arranged first bar shaped hollow out is sewn on homonymy totally one row, and quantity is 2；In described heat exchanger tube region
Heat transfer temperature difference is big, and setting a small amount of the first bar shaped hollow out seam can increase air disturbance.
The symmetrically arranged second bar shaped hollow out is sewn on homonymy totally one row, and quantity is 2~4；Described region windward,
The ripple corner air flow that leeward region is connected with heat exchanger tube region is obstructed, and setting the second bar shaped hollow out seam can reduce sky
The flow resistance of gas；Because area and leeward area do not have the support of heat exchanger tube windward, seamed relative to the first bar shaped hollow out and put a plurality of
Shorter the second bar shaped hollow out seam can keep the stabilization of ripple slitted fin structure.
The spacing of neighbouring two the first bar shaped hollow outs seam is 1~2mm, described neighbouring two second
The spacing of bar shaped hollow out seam is 1~2mm；Between heat transfer direction on the ripple slitted fin can be stitched by adjacent hollow out
Away from without being separated, heat transfer is enhanced.
The utility model is related to a kind of air-conditioner outdoor unit, is laminated with the heat exchanger of described air-conditioner outdoor unit some described
Ripple slitted fin.
Technique effect
Compared with prior art, the utility model fin can avoid frost layer from blocking fin runner under frozen condition,
Avoid defrosting water to be gathered in hollow part under defrost operating mode, reduce the remaining quantity of defrost stage fin surface defrosting water, reduce
The frosting degree in next frosting cycle, while the utility model can strengthen the coefficient of heat transfer of air-flow flow-disturbing, lifting air and fin.
Brief description of the drawings
Fig. 1 is stacking ripple slitted fin structural representation in the utility model；
Fig. 2 is partial enlargement structure chart in Fig. 1；
In figure：A () is partial structurtes three-dimensional view, (b) is the plane projection schematic diagram of (a)；
Fig. 3 is schematic diagram of the utility model under frozen condition；
In figure：A () is schematic diagram, schematic diagram after (b) frosting before frosting；
Fig. 4 is schematic diagram of traditional slit fin under frozen condition；
In figure：A () is schematic diagram, schematic diagram after (b) frosting before frosting；
Fig. 5 is discharge opeing schematic diagram of the utility model under defrost operating mode；
In figure：A () is front view, (b) is top view；
Fig. 6 is discharge opeing schematic diagram of traditional slit fin under defrost operating mode；
In figure：A () is front view, (b) is top view；
In figure：Axial plane 3 in ripple slitted fin 1, heat exchanger tube mounting hole 2, heat exchanger tube region, the first bar shaped hollow out seam 4, the
Two bar shaped hollow outs seam 5, windward region 11, heat exchanger tube region 12, leeward region 13.
Specific embodiment
Embodiment of the present utility model is elaborated below, the present embodiment is with technical solutions of the utility model as preceding
Put and implemented, give detailed implementation method and specific operating process, but protection domain of the present utility model is not limited
In following embodiments.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment includes the region windward 11, heat exchanger tube region 12 and the leeward area that are sequentially connected
Domain 13；The quantity in described heat exchanger tube region 12 is 1, and some heat exchanger tube mounting holes 2 are evenly equipped with along longitudinal direction；
Preferably, axial plane 3 is arranged with two row first along heat exchanger tube region between the adjacent heat exchanger tube mounting hole 2
Bar shaped hollow out seam 4, each row are equipped with two the first bar shaped hollow outs seam 4, between the upper and lower away from being 1mm；The region windward 11 and the back of the body
Wind region 13 is arranged with some second bar shaped hollow outs seam 5 being stitched with the first bar shaped hollow out in the range of 4 sustained heights.
The region windward 11 and leeward region 13 axial plane 3 along heat exchanger tube region are symmetrical arranged.
Preferably, a diameter of 7mm of the heat exchanger tube mounting hole 2.
Preferably, described the first bar shaped hollow out seam 4 and side long and the air direction of flow angle of the second bar shaped hollow out seam 5
90 ° are, i.e., described the first bar shaped hollow out seam 4 and the side long of the second bar shaped hollow out seam 5 are flat with axial plane 3 in heat exchanger tube region
OK.
Preferably, described the second bar shaped hollow out seam 5 homonymy of axial plane 3 in heat exchanger tube region sets 1 and arranges, each column 3；Phase
Between adjacent two the second bar shaped hollow outs seam 5 between the upper and lower away from being 1mm.
Described the first bar shaped hollow out seam 4 is rectangle on the surface of heat exchanger tube region 12, and its short side is 0.5mm, side long is
4.5mm；Described second bar shaped hollow out seam 5 is rectangle in region 11 windward and the surface of leeward region 13, its short side be 0.5mm,
Side long is 2.5mm.
As shown in figure 4, traditional slit fin causes most runner blockage in frozen condition frost occurs thickness, resistance is acute
Increase, air quantity declines, and reduces the performance of heat exchanger；As shown in figure 3, the ripple slitted fin 1 of the utility model embodiment is in knot
Frost layer is thin under white operating mode, it is to avoid most of runner is blocked by frost layer, so as to improve the performance of heat exchanger.
As shown in fig. 6, traditional slit fin is due to having strip bulge, drop aggregation is easily adjacent under defrost operating mode
Water bridge is formed between fin, it is difficult to discharge hydrops；As shown in figure 5, the fin of the utility model embodiment is under defrost operating mode, liquid
Drop is distributed in the surface of ripple slitted fin 1, and hollow part will not form hydrops, it is to avoid bar shaped hollow out seam is blocked after frosting, so that
Improve heat exchanger performance.
From, flat wing that pitch of holes be all 21mm*22mm identical with the utility model embodiment heat exchanger tube mounting hole aperture
Piece carries out heat exchange property comparing：In the case where intake velocity is 1.5m/s, calculated by simulating, both heat exchange properties compare
Result is as shown in table 1, it can be seen that the heat exchange property of the utility model embodiment is superior to put down under frosting and non-frozen condition
Fin.
The heat exchange property of table 1 compares
Claims (9)
1. a kind of ripple slitted fin, it is characterised in that including：If region, leeward region and to be arranged on two interregional windward
Dry heat exchanger tube region, described heat exchanger tube region is evenly equipped with some heat exchanger tube mounting holes along longitudinal direction；
Between the neighbouring heat exchanger tube mounting hole some first bar shaped hollow outs are arranged with along heat exchanger tube region axis face
Seam, the region windward and leeward region are arranged with the second bar shaped hollow out seam.
2. ripple slitted fin according to claim 1, it is characterized in that, described region windward and leeward region symmetrically sets
Put.
3. ripple slitted fin according to claim 1, it is characterized in that, the quantity in the heat exchanger tube region is 1~3,
And when the quantity in heat exchanger tube region is more than 1, the fork arrangement of heat exchanger tube mounting hole is put.
4. ripple slitted fin according to claim 3, it is characterized in that, the diameter of the heat exchanger tube mounting hole is less than or equal to
9.52mm。
5. ripple slitted fin according to claim 1, it is characterized in that, described the first bar shaped hollow out seam and the second bar shaped
Hollow out is sewn on each region surface for parallelogram, wherein：The side long of parallelogram and air direction of flow angle be 90 ° ±
10 °, short side and the air direction of flow angle of parallelogram are less than or equal to 10 °.
6. ripple slitted fin according to claim 5, it is characterized in that, the size range of described short side be [0.5,
1.5] mm, the size range on side long be (0.5,5] mm.
7. ripple slitted fin according to claim 5, it is characterized in that, the symmetrically arranged first bar shaped hollow out is sewn on
Homonymy one is arranged totally, and quantity is 2；The symmetrically arranged second bar shaped hollow out is sewn on homonymy totally one row, and quantity is 2~4.
8. ripple slitted fin according to claim 7, it is characterized in that, neighbouring two the first bar shaped hollow outs seam
Spacing be 1~2mm, the spacing of neighbouring two second bar shaped hollow outs seam is 1~2mm.
9. a kind of air-conditioner outdoor unit, it is characterised in that be laminated with the heat exchanger of described air-conditioner outdoor unit some any of the above-described
Ripple slitted fin described in claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195870.XU CN206247932U (en) | 2016-11-04 | 2016-11-04 | Ripple slitted fin and its air-conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195870.XU CN206247932U (en) | 2016-11-04 | 2016-11-04 | Ripple slitted fin and its air-conditioner outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206247932U true CN206247932U (en) | 2017-06-13 |
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ID=58999890
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195870.XU Active CN206247932U (en) | 2016-11-04 | 2016-11-04 | Ripple slitted fin and its air-conditioner outdoor unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370041A (en) * | 2016-11-04 | 2017-02-01 | 上海科凌能源科技有限公司 | Corrugated slotted fin |
-
2016
- 2016-11-04 CN CN201621195870.XU patent/CN206247932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370041A (en) * | 2016-11-04 | 2017-02-01 | 上海科凌能源科技有限公司 | Corrugated slotted fin |
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