CN208920939U - Heat exchange tube and air conditioner - Google Patents
Heat exchange tube and air conditioner Download PDFInfo
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- CN208920939U CN208920939U CN201821417850.1U CN201821417850U CN208920939U CN 208920939 U CN208920939 U CN 208920939U CN 201821417850 U CN201821417850 U CN 201821417850U CN 208920939 U CN208920939 U CN 208920939U
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- fin
- heat exchanger
- exchanger tube
- refrigerant
- tube according
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- 239000003507 refrigerant Substances 0.000 claims abstract description 41
- 230000015572 biosynthetic process Effects 0.000 claims description 18
- 238000005755 formation reaction Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 abstract description 26
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 description 13
- 230000005494 condensation Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application provides a heat exchange tube and an air conditioner. The heat exchange tube comprises a tube body and fins arranged on the outer surface of the tube body, and channels are formed between adjacent fins. The outer surface is provided with a liquid guide groove, the fins are provided with liquid guide parts communicated with the liquid guide groove, the liquid guide groove penetrates through the fins to communicate adjacent channels, and the liquid guide groove is used for circulating a refrigerant. Use the technical scheme of the utility model, the liquid guide portion of seting up on the liquid guide groove cooperation fin through seting up on the surface can be so that adjacent passageway intercommunication, has increased the discharge passage area of the liquid refrigerant after condensing, has reinforceed refrigerant discharge capacity, lets the refrigerant can circulate better on the surface of heat exchange tube. The liquidity of the refrigerant can be enhanced through the liquid guide groove, the accumulation of fine residues on the tooth root parts of the fins is reduced, the risk of scaling is reduced, the effective heat exchange area is ensured, and the whole heat exchange capacity of the heat exchange tube is enhanced.
Description
Technical field
The utility model relates to refrigeration technology fields, in particular to a kind of heat exchanger tube and air conditioner.
Background technique
In air-conditioning and refrigeration industry, for water cooled condenser because compact-sized, applicability is broad, is developed rapidly.
Efficiently, the substitution of energy conservation and new cooling media is still current main research direction.Water-cooled heat exchanger is mostly horizontal shell and tube type
Heat exchanger walks freon in shell side, leakes water in tube side.And within the condenser, exchanging heat on it influences a bigger factor just
It is the superiority and inferiority of the performance of heat exchanger tube in shell.Inside shell side, the refrigerant on the outside of condenser pipe, which is undergone phase transition, to exchange heat, and refrigerant exists
The outer condensation of pipe forms liquid film and is covered on heat exchange pipe surface, and the presence of the liquid film increases the thermal resistance of medium side, passes through increase in pipe
Disturbance exchanges heat.So thermal resistance distribution is primarily present outside pipe, principle is strengthened according to weak side, is seemed especially to carrying out strengthening outside pipe
It is important, pipe external thermal resistance should be reduced to greatest extent improves heat exchange property.
For strengthening outside condenser pipe pipe, existing general reinforcing is squeezed out outside pipe by gang tool along pipe circumference spiral shell
The pipe of the metal fin of expansion is revolved, and carries out secondary rolled on fin, forms boss and sharp wedge angle.It is mainly strengthened
Mechanism is the surface area for being to increase outside pipe, using the boss formed and sharp wedge angle and radius of curvature difference, is made thinner
Liquid film reduces thermal resistance.And lower layer's fin spiral is connected, and forms channel.Liquid refrigerants is drained.It forms by means of which
Image strip and sharp wedge angle are made thinner liquid film, the boss being formed simultaneously, and also increase the drippage of liquid film and the resistance of exclusion simultaneously.
Efficient pipe single-pipe heat-transfer experimental studies have found that, condenser pipe in condensation process, steam state refrigerant condensation pipe surface into
Row condensation, condense later channel of the liquid refrigerants of formation between pipe fin flow to condenser pipe in the following, and along fin with
Drain in the channel formed between fin.And traditional condenser pipe is in strengthening condensation process, what is formed between fin and fin is logical
Road, along axial connection in spiral distribution, interconnection fails connection in lower part.So condensing the liquid refrigerants formed with cold
The reinforcement of solidifying intensity, liquid refrigerants thickness are increasing, and thermal resistance also can be with further increasing.When serious, liquid refrigerants meeting
Liquid flooding is formed in heat exchange pipe surface, effective heat exchange area is reduced, condensation effect is caused to decay.
Utility model content
The utility model embodiment provides a kind of heat exchanger tube and air conditioner, is being used with solving heat exchanger tube in the prior art
When the existing liquid refrigerants technical problem obvious in surface Concerning Flooding Phenomenon.
The application embodiment provides a kind of heat exchanger tube, including tube body and the fin being arranged on the outer surface of tube body, phase
It is formed with channel between adjacent fin, intake chute is offered on outer surface, the drain being connected with intake chute is offered on fin
Portion, intake chute pass through fin and are connected to adjacent channel, and intake chute is for the refrigerant that circulates.
In one embodiment, intake chute coiling setting in the shape of a spiral on the outer surface.
In one embodiment, intake chute is a plurality of, and a plurality of intake chute is arranged at intervals.
In one embodiment, connectivity slot is also provided on fin, adjacent channel is connected to by connectivity slot, and connectivity slot is used
In circulation refrigerant.
In one embodiment, circumferencial direction of the fin on the outer surface along outer surface coils setting, and connectivity slot is in wing
Axial direction of the on piece along outer surface opens up.
In one embodiment, fin coiling setting in the shape of a spiral on the outer surface.
In one embodiment, connectivity slot depth on fin opens up the bottom of fin, or opens up apart from wing
The position of the bottom predetermined length of piece.
In one embodiment, connectivity slot is multiple, and multiple connectivity slots are spaced setting on fin.
In one embodiment, boss structure is suppressed on fin, boss structure is used to increase the surface area of fin.
In one embodiment, boss structure includes the side positioned at the concave part at the top of fin and relative to fin
The corner of face protrusion.
In one embodiment, the top surface annular knurl of corner is triangle annular knurl, trapezoidal annular knurl, arc annular knurl or five
Side shape annular knurl.
In one embodiment, internal rib formations are formed on the inner surface of tube body, internal rib formations are for increasing inner surface
Surface area.
Present invention also provides a kind of air conditioner, including heat exchanger tube, heat exchanger tube is above-mentioned heat exchanger tube.
In the above-described embodiments, the drain portion opened up on fin is cooperated by the intake chute opened up on outer surface, can made
Adjacent channel connection, increase the passing away area of liquid refrigerants after condensation, enhance refrigerant discharge ability, allow refrigerant
It can preferably circulate on the surface of heat exchanger tube.The mobility that refrigerant can be strengthened by intake chute reduces subtle residue in wing
The accumulation of the root portion of piece, and then the risk of fouling is reduced, guarantee effective heat exchange area, enhances the overall heat exchange energy of heat exchanger tube
Power.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the overall structure diagram of the embodiment of heat exchanger tube according to the present utility model；
Fig. 2 is the partial structural diagram of the heat exchanger tube of Fig. 1；
Fig. 3 is the partial enlargement structural representation of Fig. 2；
Fig. 4 is the schematic view of the front view of Fig. 3；
Fig. 5 is the left view structural representation of Fig. 3；
Fig. 6 is the overlooking structure diagram of Fig. 3；
Fig. 7 is the structural schematic diagram of the corner on the fin of the heat exchanger tube of Fig. 1
Fig. 8 is the schematic cross-sectional view of the heat exchanger tube of Fig. 1.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached
Figure, is described in further details the utility model.Here, the exemplary embodiment and its explanation of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
Figures 1 and 2 show that the heat exchanger tube of the utility model, which includes tube body 10 and is arranged in the outer of tube body 10
Fin 20 on surface 11 is formed with channel 30 between adjacent fin 20.Intake chute 111, fin are offered on outer surface 11
The drain portion 23 being connected with intake chute 111 is offered on 20, intake chute 111 passes through fin 20 and is connected to adjacent channel 30,
Intake chute 111 is for the refrigerant that circulates.
Using the technical solution of the utility model, is cooperated by the intake chute 111 opened up on outer surface 11 and opened on fin 20
If drain portion 23, adjacent channel 30 can be made to be connected to, increase condensation after liquid refrigerants passing away area, strengthen
Ability is discharged in refrigerant, and refrigerant can preferably be circulated on the surface of heat exchanger tube.Refrigerant can be strengthened by intake chute 111
Mobility reduces subtle residue in the accumulation of the root portion of fin 20, and then reduces the risk of fouling, guarantees effective heat-transfer surface
Product, enhances the overall heat exchange ability of heat exchanger tube.
As a preferred embodiment, as depicted in figs. 1 and 2, the disk in the shape of a spiral on outer surface 11 of intake chute 111
Around setting.By spiral helicine intake chute 111, it can preferably strengthen the mobility of refrigerant, reduce the risk of fouling.
Preferably, in the technical scheme of this embodiment, intake chute 111 is one.The width of intake chute 111 can be 1
~5mm, preferably 2.5mm；The depth of intake chute 111 can be 0.2~0.5mm, preferably 0.3mm；Screw pitch can for 5~
8mm, preferably 7mm.Preferably, the depth b of intake chute 111 should be less than the height e of fin 20, and optionally, 5b >=e >=b is excellent
The e=2b of choosing.
As other optional embodiments, intake chute 111 or a plurality of, a plurality of intake chute 111 is at intervals
Setting.Preferably, it is advisable with 1~3.
Connectivity slot 21 is also provided on fin 20 as shown in Figures 2 and 3 as one kind more preferably embodiment,
Adjacent channel 30 is connected to by connectivity slot 21, and connectivity slot 21 is for the refrigerant that circulates.The design of connectivity slot 21 is conducive to refrigerant and is changing
The circumferential diffusion rapidly of tube surface, increases refrigerant in the wellability of heat exchange pipe surface.Refrigerant discharge ability is enhanced, allows refrigerant
It can preferably circulate on the surface of heat exchanger tube.In turn, can increase excessively to avoid liquid refrigerants in the surface thickness of heat exchanger tube,
It avoids the surface of heat exchanger tube from Concerning Flooding Phenomenon occur, guarantees effective heat exchange area, increase heat transfer effect.
Optionally, in the technical scheme of this embodiment, as illustrated in fig. 1 and 2, fin 20 is on outer surface 11 along outer surface
11 circumferencial direction coils setting, and axial direction of the connectivity slot 21 on fin 20 along outer surface 11 opens up.It should be noted that
The above-mentioned circumferencial direction along outer surface 11 coils setting, can be the radial direction setting along outer surface 11, be also possible to along with
The direction setting of radial direction at an angle；The above-mentioned axial direction along outer surface 11 opens up, also referred to as in axial side
Upwards or be connected to adjacent channel 30 on the direction of axial direction at an angle.
In the technical scheme of this embodiment, as depicted in figs. 1 and 2, fin 20 coils in the shape of a spiral on outer surface 11
Setting.Optionally, in the technical scheme of this embodiment, fin 20 is one.As other optional embodiments, fin
20 is a plurality of, and a plurality of fin 20 is spaced setting on outer surface 11.
As shown in Figure 3 and Figure 4, in the technical scheme of this embodiment, the section of connectivity slot 21 is Y shape, and connectivity slot 21 exists
Depth on fin 20 opens up the position of the bottom predetermined length apart from fin 20.As other optional embodiments,
It is also feasible that the depth on fin 20 of connectivity slot 21, which opens up the bottom of fin 20,.It should be noted that connectivity slot 21 is in wing
The depth opened up on piece 20, on the basis of guaranteeing the stress intensity of fin 20, it may be that more deeper better.
In addition, the section of connectivity slot 21 can be with V-shaped or U-shaped as other optional embodiments.
Preferably, in the technical scheme of this embodiment, connectivity slot 21 is multiple, between multiple connectivity slots 21 are on fin 20
Every setting.By the way that multiple connectivity slots 21 are arranged, it can further strengthen refrigerant discharge ability, allow refrigerant can be in heat exchanger tube
It preferably circulates on surface.It is found through experiments that, the connectivity slot 21 of uniformly distributed quantity 30~100 is carried out along the circumferencial direction of fin 20
Good refrigerant discharge ability can be played.
Optionally, as shown in Figure 3 and Figure 6, extending direction angled β setting of the connectivity slot 21 relative to fin 20,0 ° of < β
≤90°.Due in the technical scheme of this embodiment, coiling setting in the shape of a spiral on 20 outer surface 11 of fin allows connectivity slot 21
Relative to the angled setting of fin 20, it is also beneficial to refrigerant and circulates in the axial direction.In addition, allowing connectivity slot 21 relative to fin
20 extending direction is vertically also feasible.
As shown in Figure 3 and Figure 4, as a preferred embodiment, being suppressed with boss structure 22 on fin 20.Boss knot
Structure 22 is used to increase the surface area of fin 20, and heat exchange efficiency can be improved in heat exchange.As shown in Figure 5 and Figure 6, in the present embodiment
Technical solution in, boss structure 22 includes the concave part 221 positioned at the top of fin 20 and side relative to fin 20
The corner 222 of protrusion increases and enhances the sharp wedge angle of condensation pipe surface in this way while increasing heat exchange area,
Using the big feature in corner 222 and 221 corner curvature of concave part, refrigerant liquid film of making thinner, to enhance partial condensation condensation
Ability plays and strengthens the liquid film thickness for being thinned and being adhered on condensation pipe surface fin when refrigerant vapour condensation on condenser pipe upper layer
The ability of degree.
In the technical scheme of this embodiment, extending direction angled α setting of the boss structure 22 relative to fin 20,
15°≤α≤65°.Similarly, since in the technical scheme of this embodiment, coiling is arranged in the shape of a spiral on 20 outer surface 11 of fin,
Boss structure 22 is allowed relative to the angled setting of fin 20, refrigerant is also beneficial to and circulates in the axial direction heat exchange.
Specifically, in the technical scheme of this embodiment, the formation of concave part 221 is using annular knurl mold in original fin
Top is extruded from, and forming depth is 0.1~0.45mm, and width is the concave part structure of 0.01~0.35mm.It is being formed
While concave part 221, due to the good plasticity of metal material itself, in 20 two sides self-assembling formation of fin, two corners 222,
222 structure of corner extends the length of protrusion to 20 side of fin as 0.05~0.2mm.
As shown in fig. 6, in the technical scheme of this embodiment, the top surface annular knurl of corner 222 is formed using annular knurl mold
Triangle annular knurl.As other optional embodiments, top surface annular knurl can also be trapezoidal annular knurl, arc annular knurl or five sides
Shape annular knurl.Annular knurl of different shapes is suppressed by the annular knurl mold of different shapes.
As illustrated in figures 1 and 8, in the technical scheme of this embodiment, internal rib formations are formed on the inner surface of tube body 10
40.When in use, internal rib formations 40 are used to increase the surface area of inner surface, heat exchange efficiency can be improved in heat exchange, simultaneously also
The level of disruption of tube fluid is increased, so as to further enhance heat exchange efficiency.
Optionally, in the technical scheme of this embodiment, internal rib formations 40 are arranged on an internal surface in the shape of a spiral, internal-rib knot
Center angled λ setting of the structure 40 relative to tube body 10,15 °≤λ≤60 °.Optionally, internal rib formations 40 are a plurality of, a plurality of interior
Rib structure 40 is uniformly distributed on an internal surface.Preferably, internal rib formations 40 are 10~80.
Specifically, in the technical scheme of this embodiment, being rolled into spiral in the lining core of the inner surface indent of tube body 10
The raised internal rib formations 40 of shape.Center angled λ setting of the internal rib formations 40 relative to tube body 10, while internal rib formations 40 are opposite
The height of projection of inner surface is 0.15~0.55mm.
As shown in Fig. 2, in the technical scheme of this embodiment, the section of internal rib formations 40 is trapezoidal, the cross sectional shape
Internal rib formations 40 are more convenient for processing, and exchange capability of heat is also preferable.
In the technical solution of the utility model, above-mentioned heat exchanger tube be processed in dedicated fin machining equipment and
At using extrusion forming ELEMENTARY INTRODUCTION TO NON technique.Present case uses outer diameter 19.05mm, and light pipe wall thickness is that 1.1mm main pipe is added
Work.Pipe is outer to be rolled into groove using with groove mold in main pipe, is squeezed, is formed using groove of the gang tool to formation
Along the independent fin of axial screw, because of the deformation that processing fin generates on independent fin, and connectivity slot is formed.Fin top is same
Shi Caiyong annular knurl mold carries out secondary extrusion to independent fin top and forms boss structure.Internal rib formations 40 strengthen synchronous progress,
While squeezing outer surface using gang tool, inside is formed using synchronous squeeze of lining core of bull with groove structure.
It should be noted that the technical solution of above-mentioned heat exchanger tube is particularly suitable for condenser pipe.
The utility model additionally provides a kind of air conditioner, which includes above-mentioned heat exchanger tube.Using above-mentioned heat exchanger tube
Air conditioner, heat exchange property is more preferable, and refrigerating efficiency is higher.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model embodiment can have various modifications and variations.All spirit in the utility model
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (13)
1. a kind of heat exchanger tube, including tube body (10) and the fin (20) being arranged on the outer surface (11) of the tube body (10), phase
Channel (30) are formed between the adjacent fin (20), which is characterized in that offer intake chute on the outer surface (11)
(111), the drain portion (23) being connected with the intake chute (111), the intake chute (111) are offered on the fin (20)
The adjacent channel (30) is connected to across the fin (20), the intake chute (111) is for the refrigerant that circulates.
2. heat exchanger tube according to claim 1, which is characterized in that the intake chute (111) is on the outer surface (11)
Coiling setting in the shape of a spiral.
3. heat exchanger tube according to claim 1, which is characterized in that the intake chute (111) is a plurality of, a plurality of drain
Slot (111) is arranged at intervals.
4. heat exchanger tube according to claim 1, which is characterized in that connectivity slot (21) are also provided on the fin (20),
The adjacent channel (30) is connected to by the connectivity slot (21), and the connectivity slot (21) is for the refrigerant that circulates.
5. heat exchanger tube according to claim 4, which is characterized in that the fin (20) is on the outer surface (11) along institute
The circumferencial direction coiling setting of outer surface (11) is stated, the connectivity slot (21) is on the fin (20) along the outer surface (11)
Axial direction open up.
6. heat exchanger tube according to claim 5, which is characterized in that the fin (20) is in spiral shell on the outer surface (11)
Revolve shape coiling setting.
7. heat exchanger tube according to claim 5, which is characterized in that the connectivity slot (21) depth on the fin (20)
The bottom of the fin (20) is opened up, or opens up the position of the bottom predetermined length apart from the fin (20).
8. heat exchanger tube according to claim 5, which is characterized in that the connectivity slot (21) is multiple, multiple connections
Slot (21) is spaced setting on the fin (20).
9. heat exchanger tube according to claim 1, which is characterized in that boss structure (22) are suppressed on the fin (20),
The boss structure (22) is used to increase the surface area of the fin (20).
10. heat exchanger tube according to claim 9, which is characterized in that the boss structure (22) includes being located at the fin
(20) corner (222) of the concave part (221) at top and the side protrusion relative to the fin (20).
11. heat exchanger tube according to claim 10, which is characterized in that the top surface annular knurl of the corner (222) is triangle
Shape annular knurl, trapezoidal annular knurl, arc annular knurl or pentagon annular knurl.
12. heat exchanger tube according to claim 1, which is characterized in that be formed with internal-rib on the inner surface of the tube body (10)
Structure (40), the internal rib formations (40) are used to increase the surface area of the inner surface.
13. a kind of air conditioner, including heat exchanger tube, which is characterized in that the heat exchanger tube is described in any one of claims 1 to 12
Heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821417850.1U CN208920939U (en) | 2018-08-30 | 2018-08-30 | Heat exchange tube and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821417850.1U CN208920939U (en) | 2018-08-30 | 2018-08-30 | Heat exchange tube and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208920939U true CN208920939U (en) | 2019-05-31 |
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ID=66704609
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821417850.1U Active CN208920939U (en) | 2018-08-30 | 2018-08-30 | Heat exchange tube and air conditioner |
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| Country | Link |
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| CN (1) | CN208920939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141094A (en) * | 2018-08-30 | 2019-01-04 | 珠海格力电器股份有限公司 | Heat exchange tube and air conditioner |
-
2018
- 2018-08-30 CN CN201821417850.1U patent/CN208920939U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141094A (en) * | 2018-08-30 | 2019-01-04 | 珠海格力电器股份有限公司 | Heat exchange tube and air conditioner |
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