CN110425904A - A kind of plate fin and micro-channel heat exchanger, air-conditioning - Google Patents
A kind of plate fin and micro-channel heat exchanger, air-conditioning Download PDFInfo
- Publication number
- CN110425904A CN110425904A CN201910744127.7A CN201910744127A CN110425904A CN 110425904 A CN110425904 A CN 110425904A CN 201910744127 A CN201910744127 A CN 201910744127A CN 110425904 A CN110425904 A CN 110425904A
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- Prior art keywords
- plate fin
- micro
- weather board
- heat exchanger
- channel
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000009833 condensation Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000010257 thawing Methods 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000021568 fin development Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05358—Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators
-
- 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
- F28F1/325—Fins with openings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of plate fin and micro-channel heat exchangers, air-conditioning, are related to technical field of heat exchange, for improving the drainage of heat exchanger.The embodiment of the present invention provides a kind of plate fin, it is arranged along the vertical direction, micro-channel flat mounting groove is offered on the plate fin, wherein, the at least side of plate fin is equipped with the weather board vertical with plate fin, and weather board is used for the condensation water collection on plate fin and is drained to the edge of plate fin.The present invention is used to improve the drainage of heat exchanger.
Description
Technical field
The present invention relates to technical field of heat exchange more particularly to a kind of plate fins and micro-channel heat exchanger, air-conditioning.
Background technique
For finned tube exchanger, micro-channel heat exchanger is in material cost, refrigerant charge and heat flow density etc.
Aspect has significant advantage, meets the energy-saving and environment-friendly development trend of heat exchanger.But simultaneously as the space in micro-channel heat exchanger
The reasons such as spacing is smaller, heat transfer rate is fast cause micro-channel heat exchanger when being used as evaporator, exist and drain slow, condensate shunting
The problems such as uneven and frosting is fast, defrosting is slow, limits the application of micro-channel evaporator.
Specifically, typical micro-channel heat exchanger includes horizontally disposed micro-channel flat, connect with micro-channel flat
Fin and the big component of header three for connecting micro-channel flat.As shown in Figure 1, being a kind of Thermal Performance of Micro Channels in the prior art
The structural schematic diagram of device 10.Wherein, including between the horizontally disposed micro-channel flat 11 of multiple groups, multiple groups micro-channel flat 11 with it is micro-
The fin 12 of the connection of channel flat tube 11, the header 13 for being connected to 11 both ends of micro-channel flat.As shown in Fig. 2, to be micro- logical in Fig. 1
Road flat tube 11 is with fin 12 along the schematic cross-section in the direction A-A.Wherein, 12 vertical direction of fin is arranged, and offers on fin 12
Micro-channel flat mounting groove 121, for installing micro-channel flat 11.
Space in existing micro-channel heat exchanger 10 as shown in Figure 1 and Figure 2, between micro-channel flat 11 and fin 12
Distance is smaller, and when water flow is discharged along the vertical direction obstructs more, therefore will affect the draining of micro-channel heat exchanger, defrosting property
Energy.
At this point, the design of fin directly determines the draining and defrosting performance of micro-channel heat exchanger, it is to influence microchannel
The key factor of heat exchanger performance.
Summary of the invention
The embodiment of the present invention provides a kind of plate fin and micro-channel heat exchanger, air-conditioning, for improving heat exchanger
Drainage.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, the embodiment of the present invention provides a kind of plate fin, it is arranged along the vertical direction, is opened up on the plate fin
There is micro-channel flat mounting groove, wherein at least side of plate fin is equipped with the weather board vertical with plate fin, weather board
For by the condensation water collection on plate fin and being drained to the edge of plate fin.
The plate fin of the embodiment of the present invention, by being equipped with vertical with plate fin lead in at least side of plate fin
Water plate, so as to which condensed water can be collected to and be drained to the edge of plate fin when there is condensed water aggregation on plate fin.
So as to make using the embodiment of the present invention plate fin micro-channel heat exchanger, be taken as evaporator in use, can and
When by micro-channel heat exchanger condensed water be discharged, reduce micro-channel heat exchanger windage, reduce frosting degree and improve defrosting speed
Degree.
Second aspect, the embodiment of the present invention also provide a kind of micro-channel heat exchanger, and micro-channel flat further includes above-mentioned first
The plate fin that aspect provides, micro-channel flat are threaded through in the micro-channel flat mounting groove of plate fin.
The micro-channel heat exchanger of the embodiment of the present invention can be in time by Thermal Performance of Micro Channels when realizing the function of evaporator
Condensed water discharge in device, reduces the windage of micro-channel heat exchanger, reduces frosting degree and improve defrosting speed.
The third aspect, the embodiment of the present invention also provide a kind of air-conditioning, including heat-exchange system, are wherein equipped in heat-exchange system upper
The micro-channel heat exchanger of second aspect offer is provided.
Air-conditioning provided by the embodiment of the present invention can reduce the windage of micro-channel heat exchanger, reduce micro-channel heat exchanger
Frosting degree simultaneously improves defrosting speed, and then enhances the heating effect of air-conditioning, improves the usage experience of user.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of micro-channel heat exchanger in the prior art；
Fig. 2 is that the cross section structure of fin and micro-channel flat along the direction A-A in micro-channel heat exchanger shown in Fig. 1 is illustrated
Figure；
Fig. 3 is a kind of structural schematic diagram of plate fin provided in an embodiment of the present invention；
Fig. 4 is cross section structure schematic diagram of the plate fin shown in Fig. 3 along the direction B-B；
Fig. 5 is the stereoscopic schematic diagram of another plate fin provided in an embodiment of the present invention；
Fig. 6 is the second structural representation of plate fin shown in Fig. 5；
Fig. 7 is cross section structure schematic diagram of the plate fin shown in Fig. 6 along the direction C-C；
Fig. 8 is the structural schematic diagram of another plate fin provided in an embodiment of the present invention；
Fig. 9 is the third structural representation of plate fin shown in Fig. 5；
Figure 10 is the structural schematic diagram of another plate fin provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of micro-channel heat exchanger provided in an embodiment of the present invention.
Appended drawing reference:
10- micro-channel heat exchanger；11- flat tube；12- fin；121- micro-channel flat mounting groove；13- header；20- is flat
Plate fin；21- micro-channel flat mounting groove；22- weather board；221- horizontal segment；222- tilting section；23- air-guiding hole；24- first
Extended segment；The reinforcing rib of 241- transverse direction；The second extended segment 25-；251- vertical reinforcing rib；26- flat tube slot flange；30- is micro- logical
Road flat tube；40- micro-channel heat exchanger.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
Embodiment one:
As shown in Figure 3, Figure 4, plate fin 20 provided in an embodiment of the present invention, is arranged, wherein plate wing along the vertical direction
Micro-channel flat mounting groove 21 is offered on piece 20.Wherein:
At least side of plate fin 20 is equipped with the weather board 22 vertical with plate fin 20.Weather board 22 is used for plate
Condensation water collection on fin and the edge for being drained to plate fin.
Specifically, wherein weather board 22 and horizontal plane form an angle setting, and wherein the angle of the angle is less than 30 °.Show
Example property, as shown in Figure 3, wherein 30 ° of the angle theta < between weather board 22 and horizontal plane.
In one implementation, weather board 22 can be linear type as shown in Figure 3.In other implementations, lead
Water plate 22 can also use the structure of other shapes.It is specific:
In the embodiment of the present invention, it is contemplated that if as used linear type weather board structure shown in Fig. 3, in order to avoid water guide
Projection of the plate on windward side is excessive, causes windage to increase, influences heat exchange property, therefore cannot make the angle of inclined-plane angle theta
It is excessive；And on the other hand, if the angle θ is too small, the drainage performance of weather board 22 can be reduced.To solve the above-mentioned problems, as Fig. 5,
Shown in Fig. 6, stepped structure is can also be used in weather board 22.Specifically, weather board 22, which can use, multiple 221 Hes of horizontal segment
The multiple connection of tilting section 222 compositions.
Wherein, the whole angle with horizontal plane of weather board 22 of multiple horizontal segments 221 and the connection composition of multiple tilting sections 222
Less than 30 °.
It, can will be of the invention in addition, the junction in order to avoid horizontal segment 221 and adjacent tilting section 222 forms ponding
Each tilting section 222 and the angle in horizontal plane direction in multiple tilting sections 222 of weather board 22 is constituted in above-described embodiment to set
It sets in the range of less than 30 °.
In one implementation, as shown in figure 8, weather board 22 can also use the structure of arc curve type.
In addition, in the embodiment of the present invention, in order to avoid in existing micro-channel heat exchanger, so far due to flat tube and fin
It is spaced small and then dust is caused to be easy to be accumulated in the problem on fin, as shown in Fig. 3, Fig. 5, Fig. 6, Fig. 8, the embodiment of the present invention
In, also air-guiding hole 23 is offered at the middle part of plate fin 22.By the way that air-guiding hole 23 is arranged, can increase in micro-channel heat exchanger
The distance between each structural plane reduces dust absorption, air duct is avoided to block.
In one implementation, in the embodiment of the present invention, as shown in Fig. 3, Fig. 8, weather board 22 is arranged in air-guiding hole 23
Top edge.By the way that weather board 22 to be arranged in the top edge of air-guiding hole 23, the condensation formed on the upside of plate fin 20 can be made
Water steadying is flow on weather board 22, to be collected to condensed water and water conservancy diversion.
In another implementation, also the following of air-guiding hole 23 can be arranged in weather board 22 in the embodiment of the present invention
Edge.So, it can use weather board 22 not only to collect condensed water, in addition, when existing between weather board 22 and horizontal plane
When certain angle theta, additionally it is possible to using the angle between weather board 22 and horizontal plane, increase the wind-force of 30 upper surface of flat tube, make to fall
Condensed water in 30 upper surface of flat tube can be discharged rapidly.
In another implementation, as shown in Fig. 5, Fig. 6, Fig. 7, weather board 22 can also be set in the embodiment of the present invention
Set the top edge in air-guiding hole 23 and lower edge.
In addition, weather board 22 can also be by the 23 outward bending shape of air-guiding hole of plate fin 20 in the embodiment of the present invention
At.In turn, the plate fin 20 in the embodiment of the present invention can carry out the processing methods such as punching press using to sheet metal, in sheet metal
On process weather board 22, air-guiding hole 23, to produce plate fin 20.
In addition, in order to further increase the drainage of plate fin 20, as shown in Fig. 3, Fig. 5, Fig. 8, plate fin 20
The left and right sides is respectively windward side and leeward end, and wherein weather board 22 is lower and lower along the direction at windward side to leeward end.
In one implementation, as shown in Figure 5, Figure 6, the windward side of plate fin 20 is outward extended with the first extended segment
24 (in the example in fig.6, the first extended segment 24 is left side dash area in figure).Wherein, the first extended segment 24 is in vertical direction
It is upper to exceed micro-channel flat mounting groove 21.It is micro- by extending out to plate fin 20 to windward side in the embodiment of the present invention
The mode of channel flat tube mounting groove 21, can delay the frosting velocity of 20 inlet side of plate fin.
Further, in order to enhance the structural strength of the first extended segment 24, in the embodiment of the present invention, as shown in Figure 5, Figure 6,
Lateral reinforcing rib 241 is also provided on first extended segment.
In another implementation, as shown in Figure 5, Figure 6, the leeward end of plate fin 20 is outside in the embodiment of the present invention
It is extended with the second extended segment 25 (in the example in fig.6, the second extended segment 25 is right shade part in figure).Wherein, second prolongs
Section 25 is stretched in the vertical direction beyond micro-channel flat mounting groove 21.
Further, in order to enhance the structural strength of the second extended segment 25, in the embodiment of the present invention, as shown in Figure 5, Figure 6,
Vertical reinforcing rib 251 is also provided on first extended segment.It is perpendicular by being arranged on the first extended segment in the embodiment of the present invention
To reinforcing rib 251, also condensed water is drained using reinforcing rib 251.
Specifically, as shown in figure 5, the second extended segment 25 continues along the vertical direction in the embodiment of the present invention, and connect plate
Multiple micro-channel flat mounting grooves on fin 20.
In addition, in order to avoid structural strength of the air-guiding hole 23 to plate fin 20 has an impact, it, can in the embodiment of the present invention
Air-guiding hole 23 is arranged between the first extended segment 24 and the second extended segment 25, extends to the first extended segment to avoid air-guiding hole 23
24 or second influence plate fin 20 at extended segment 25 structural strength.Specifically, as shown in Figure 9, wherein air-guiding hole 23 is most
Left end and right end are all contained in the part among the first extended segment 24 and the second extended segment 25, i.e. the width W of air-guiding hole 23
Less than the width W ' of micro-channel flat mounting groove 21.In addition, since air-guiding hole 23 does not extend to the second extended segment in the present invention
In 25 region, the top edge of air-guiding hole 23 and/or weather board 22 at lower edge can also be avoided to being drained to the second extension
Condensed water in section 25 is stopped, and then improves drainage.
In addition, in order to improve the collection of weather board 22, drainage function, in the embodiment of the present invention, in the outside of weather board 22
Edge be additionally provided with upwards and or downward flange, as virtual coil position is equipped with the flange dug upwards in Fig. 4, Fig. 7.Wherein, flange
Height h and plate fin 20 thickness δ between, meet: h=N × δ, wherein 1 < N < 3.
Further, for the ease of installing, being fixed in micro-channel heat exchanger by plate fin 20, and in view of micro-
Plate fin 20 is two-sided in channel heat exchanger may all the case where condensed water is born.Therefore, in the embodiment of the present invention, plate wing
In piece 20 further include:
Weather board 22 is adjacent two rows of flat in perpendicular to the development length L and micro-channel heat exchanger on 20 direction of plate fin
The distance between plate fin 20 Fp is equal.
Illustratively, as shown in fig. 7, due to weather board 22 along perpendicular on 20 direction of plate fin development length L with
Fp is equal, therefore the edge of plate fin 20 can be enable to be connected on another adjacent plate fin, so as to make
Weather board 22 realizes the function of collecting the condensed water on another adjacent plate fin.Furthermore it is also possible in conjunction with above-mentioned realization
In mode, weather board 22 outer edge there are also upward flange, and then realize the effect for more preferably collecting condensed water.
Further, as shown in figure 9, when being equipped with weather board 22 at the top edge of air-guiding hole 23 and lower edge, in order to
Convenient for installing, being fixed in micro-channel heat exchanger by plate fin 20, the top edge of air-guiding hole 23 and leading at lower edge can be made
The development length of water plate 22 is equal, and meets the height H of air-guiding hole 23: H=2 (Fp- δ)+2 (N × δ), and wherein Fp is micro- logical
The distance between adjacent two rows plate fin 20 in road heat exchanger, δ is the thickness of plate fin 20,1 < N < 3.
In the embodiment of the present invention, by the development length phase for making the top edge of air-guiding hole 23 with the weather board 22 at lower edge
Deng, and meeting the height H of air-guiding hole 23: H=2 (Fp- δ)+2 (N × δ) is thus, it is possible to micro- plate fin 20 to be installed to
After in channel heat exchanger, the top edge of air-guiding hole 23 and the edge of the weather board 22 of lower edge is made to be connected to adjacent fin
On, so as to make weather board 22 realize the function of the condensed water on another adjacent plate fin of collection.Furthermore it is also possible to
Improve the structural strength of micro-channel heat exchanger.
In addition, in embodiments of the present invention, in order to avoid ponding between micro-channel flat 30 and the seam of plate fin 20,
As shown in figure 5, flat tube slot flange 26 is additionally provided with around micro-channel flat mounting groove on plate fin 20.
In another implementation, as shown in Figure 10, in the embodiment of the present invention, the windward side of plate fin 20 with it is leeward
End also uses symmetric design.Also, weather board 22 is in inverted " V " font.The embodiment of the present invention by above-mentioned design, can be put down
The cross-section runner of the radiator portion of area windward of plate fin 20 and leeward area's radiator portion.
The plate fin of the embodiment of the present invention, by being equipped with vertical with plate fin lead in at least side of plate fin
Water plate, so as to which condensed water can be collected to and be drained to the edge of plate fin when there is condensed water aggregation on plate fin.
So as to make using the embodiment of the present invention plate fin micro-channel heat exchanger, be taken as evaporator in use, can and
When by micro-channel heat exchanger condensed water be discharged, reduce micro-channel heat exchanger windage, reduce frosting degree and improve defrosting speed
Degree.
Embodiment two:
The embodiment of the present invention also provides a kind of micro-channel heat exchanger 40, as shown in figure 11, including micro-channel flat 30, also wrap
Include plate fin 20 provided by above-described embodiment.Wherein, micro-channel flat 30 is threaded through the micro-channel flat of plate fin 20
(micro-channel flat mounting groove 21 is not shown, the description as described in micro-channel flat mounting groove 21 can refer in mounting groove 21 in Figure 11
State the corresponding contents of embodiment one) in.
In addition, as shown in figure 11, plate fin 20 is multiple in micro-channel heat exchanger 40, and multiple plate fins 20 are equal
Even to be alternatively arranged, micro-channel flat 30 sequentially passes through the micro-channel flat mounting groove 21 of multiple plate fins 20, (figure of weather board 22
Weather board 22 is not shown in 11, the description as described in weather board 22 can refer to the corresponding contents of above-described embodiment one) both ends difference
It is connected on two adjacent plate fins 20.
The present invention implements two kinds, by the way that the both ends of weather board 22 are connected to two adjacent plate fins 20 respectively
On, so as to make weather board 22 realize the function of the condensed water on another adjacent plate fin of collection, in addition it can
Improve the structural strength of micro-channel heat exchanger.
The micro-channel heat exchanger 40 of the embodiment of the present invention can in time change microchannel when realizing the function of evaporator
Condensed water discharge in hot device 40, reduces the windage of micro-channel heat exchanger 40, reduces frosting degree and improve defrosting speed.The present invention
Micro-channel heat exchanger 40 provided by above-described embodiment can make the condensed water for flowing to 30 upper surface of micro-channel flat reduce 50%
More than, and greatly increase the drainage speed of heat exchanger, meanwhile, micro-channel heat exchanger 40 can also make air and refrigerant
Heat exchanged thermoresistance reduces, and improves the heat exchange property of heat exchanger.In addition, heat exchanger surface frosting is more equal in micro-channel heat exchanger 40
It is even, effectively slow down the rate of decay of frosting performance.When Defrost operation, the drainage speed of defrosting water increases, and promotes low-temperature heating
Energy.It is blocked up in addition, ash is less likely to occur on 40 surface of micro-channel heat exchanger provided by the embodiment of the present invention, the long-acting fortune of heat exchanging device
Row plays facilitation.
Embodiment three:
A kind of air-conditioning, including heat-exchange system, the Thermal Performance of Micro Channels wherein provided in heat-exchange system equipped with above-mentioned second aspect
Device.
The refrigerator of the embodiment of the present invention, since the evaporator of cooling cycle system is above-mentioned Thermal Performance of Micro Channels device assembly,
It is thus possible to improve radiating efficiency, and it is small in size, light-weight, refrigeration equipment inner space is saved, and it is halfway to solve defrost
Problem.
The above is only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any to be familiar with
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (11)
1. a kind of plate fin, is arranged along the vertical direction, micro-channel flat mounting groove, feature are offered on the plate fin
It is, at least side of the plate fin is equipped with the weather board vertical with the plate fin, and the weather board is used for will
Condensation water collection on the plate fin and the edge for being drained to the plate fin.
2. plate fin according to claim 1, which is characterized in that the weather board forms an angle with horizontal plane to be set
It sets, the angle of the angle is less than 30 °.
3. plate fin according to claim 1, which is characterized in that the weather board is linear type, step type and arc
One of shaped form.
4. plate fin described in any one of claim 1 to 3, which is characterized in that opened in the middle part of the plate fin
Equipped with air-guiding hole, top edge and/or the lower edge of the air-guiding hole is arranged in the weather board.
5. plate fin according to claim 4, which is characterized in that the weather board is led as described in the plate fin
Outward bending is formed at air holes.
6. plate fin according to claim 1, which is characterized in that the left and right ends of the plate fin are respectively windward
End and leeward end, the weather board are lower and lower along the direction at the windward side to the leeward end.
7. plate fin according to claim 6, which is characterized in that the windward side of the plate fin is outward extended with
One extended segment, first extended segment exceed the micro-channel flat mounting groove in the vertical direction.
8. plate fin according to claim 6, which is characterized in that the leeward end of the plate fin is outward extended with
Two extended segments, second extended segment exceed the micro-channel flat mounting groove in the vertical direction.
9. a kind of micro-channel heat exchanger, including micro-channel flat, which is characterized in that further include any one of claim 1~8 institute
The plate fin stated, the micro-channel flat are threaded through in the micro-channel flat mounting groove of the plate fin.
10. micro-channel heat exchanger according to claim 9, which is characterized in that the plate fin is multiple, and multiple institutes
The arrangement of plate fin uniform intervals is stated, the micro-channel flat sequentially passes through the micro-channel flat of multiple plate fins
Mounting groove, the both ends of the weather board are connected to respectively on two adjacent plate fins.
11. a kind of air-conditioning, including heat-exchange system, which is characterized in that be equipped with described in claim 9 or 10 in the heat-exchange system
Micro-channel heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744127.7A CN110425904B (en) | 2019-08-13 | Flat fin, micro-channel heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744127.7A CN110425904B (en) | 2019-08-13 | Flat fin, micro-channel heat exchanger and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110425904A true CN110425904A (en) | 2019-11-08 |
| CN110425904B CN110425904B (en) | 2024-10-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113624042A (en) * | 2021-07-28 | 2021-11-09 | 祥博传热科技股份有限公司 | Phase-change cooling heat exchanger |
| CN113654383A (en) * | 2021-07-28 | 2021-11-16 | 祥博传热科技股份有限公司 | High-efficiency heat exchanger for phase-change cooling system |
| CN110425904B (en) * | 2019-08-13 | 2024-10-29 | 青岛海信日立空调系统有限公司 | Flat fin, micro-channel heat exchanger and air conditioner |
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| CN110425904B (en) * | 2019-08-13 | 2024-10-29 | 青岛海信日立空调系统有限公司 | Flat fin, micro-channel heat exchanger and air conditioner |
| CN113624042A (en) * | 2021-07-28 | 2021-11-09 | 祥博传热科技股份有限公司 | Phase-change cooling heat exchanger |
| CN113654383A (en) * | 2021-07-28 | 2021-11-16 | 祥博传热科技股份有限公司 | High-efficiency heat exchanger for phase-change cooling system |
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