CN106225328A - Micro-channel heat exchanger fluid passage, flat tube, micro-channel heat exchanger and air-conditioning equipment - Google Patents
Micro-channel heat exchanger fluid passage, flat tube, micro-channel heat exchanger and air-conditioning equipment Download PDFInfo
- Publication number
- CN106225328A CN106225328A CN201610814413.2A CN201610814413A CN106225328A CN 106225328 A CN106225328 A CN 106225328A CN 201610814413 A CN201610814413 A CN 201610814413A CN 106225328 A CN106225328 A CN 106225328A
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- China
- Prior art keywords
- micro
- fluid passage
- channel heat
- heat exchanger
- groove
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- 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
- F28F1/02—Tubular elements of cross-section which is non-circular
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to micro-channel heat exchanger fluid passage, flat tube, micro-channel heat exchanger and air-conditioning equipment.Micro-channel heat exchanger fluid passage includes the inwall of fluid passage (1), and the inwall of described fluid passage (1) is provided with projection or groove, and the inwall of described fluid passage (1) also includes partes glabra (6).The technical scheme of application the application, is ensureing on the premise of heat transfer effect, solves the problem that refrigerant-cycle systems energy consumption present in prior art is excessive.
Description
Technical field
The present invention relates to refrigeration technology field, in particular to a kind of micro-channel heat exchanger fluid passage, flat tube, micro-
Channel heat exchanger and air-conditioning equipment.
Background technology
Micro-channel heat exchanger belongs to the one of parallel-flow heat exchanger, and the air side of micro-channel heat exchanger uses louvered fin
Or corrugated plate, the refrigerant side of micro-channel heat exchanger uses the flat tube with multiple fluid passage, fluid passage for circulation with
The cold-producing medium of above-mentioned air side heat exchange.Relative to fin-tube type heat exchanger, micro-channel heat exchanger has that volume is little, lightweight, makes
The advantage such as few, good effect of heat exchange with cold-producing medium.Flat micro-channel heat exchanger pipe is the main heat exchange element in parallel-flow heat exchanger, its
Structure also determines the ability of whole heat exchanger.
Flat pipes of micro-channel heat exchangers of the prior art includes multiple fluid passage extended along its axial direction, Duo Geliu
Body passage is arranged side by side.The inwall of fluid passage is provided with bulge-structure to form zigzag along its circumference.Thermal Performance of Micro Channels
Device flat tube is one-body molded by horizontal type hot extrusion by aluminium alloy, and purpose is for solving that aluminium flat volume is little but heat-exchange performance difference and extruding
The problem that Forming Quality is the highest.But, increase change although the inwall of fluid passage is respectively provided with projection along the circumference of fluid passage
Hot side amasss, but also can hinder the circulation of cold-producing medium so that the energy consumption of refrigerant-cycle systems is excessive.
Summary of the invention
It is desirable to provide a kind of micro-channel heat exchanger fluid passage, flat pipes of micro-channel heat exchangers, micro-channel heat exchanger
And air-conditioning equipment, to solve the problem that the energy consumption of refrigerant-cycle systems is excessive present in prior art.
An aspect according to embodiments of the present invention, the invention provides a kind of micro-channel heat exchanger fluid passage, including
The inwall of fluid passage, the inwall of fluid passage is provided with projection or groove, and the inwall of fluid passage also includes partes glabra.
Alternatively,
Protruding or groove extends along the bearing of trend of fluid passage；Or,
Protruding or groove extends along the direction tilted relative to fluid passage.
Alternatively, the protruding cross section being perpendicular to its bearing of trend be rectangle, triangle and trapezoidal in one.
Alternatively, the cross section being perpendicular to its bearing of trend of groove be rectangle, triangle and trapezoidal in one.
Alternatively, the inwall of fluid passage includes the first side wall and the second sidewall being oppositely arranged, and projection includes being arranged on
On the first side wall first is protruding protruding be arranged on the second sidewall second.
Alternatively,
The projection on the first side wall of second projection is raised to small part with first and overlaps；Or,
The projection deviation first on the first side wall of second projection is protruding.
Alternatively, the inwall of fluid passage includes the first side wall and the second sidewall being oppositely arranged, and groove includes being arranged on
The first groove on the first side wall and the second groove being arranged on the second sidewall.
Alternatively,
The projection on the first side wall of second groove at least partly overlaps with the first groove；Or,
The projection on the first side wall of second groove deviates the first groove.
Alternatively, the cross section of fluid passage is circular, oval and polygonal one.
Another aspect according to embodiments of the present invention, it is provided that a kind of flat pipes of micro-channel heat exchangers, including above-mentioned micro-
Channel heat exchanger fluid passage.
Alternatively, micro-channel heat exchanger fluid passage is multiple, and multiple micro-channel heat exchanger fluid passages are arranged side by side.
Another aspect according to embodiments of the present invention, it is provided that a kind of micro-channel heat exchanger, alternatively, Thermal Performance of Micro Channels
Device includes above-mentioned micro-channel heat exchanger fluid passage.
Another aspect according to embodiments of the present invention, it is provided that a kind of air-conditioning equipment, alternatively, air-conditioning equipment includes
The micro-channel heat exchanger stated.
Various aspects based on chiller provided by the present invention, its have according under one of beneficial effect:
Being provided with projection on the inwall of fluid passage, the inwall of fluid passage also includes partes glabra, is ensureing heat transfer effect
On the premise of, solve the problem that refrigerant-cycle systems energy consumption present in prior art is excessive.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and
Advantage will be made apparent from.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 shows the structural representation of the flat pipes of micro-channel heat exchangers of the first embodiment of the present invention；
Fig. 2 shows the structural representation of the flat pipes of micro-channel heat exchangers of the second embodiment of the present invention；And,
Fig. 3 shows the structural representation of the flat pipes of micro-channel heat exchangers of the third embodiment of the present invention.
In figure: 1, fluid passage；2, first is protruding；3, second is protruding；4, the first side wall；5, the second sidewall；6, partes glabra；
7, triangular hill.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Below
Description only actually at least one exemplary embodiment is illustrative, and never conduct to the present invention and application thereof or makes
Any restriction.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
Embodiment one:
Fig. 1 shows the structural representation of the flat pipes of micro-channel heat exchangers of the present embodiment.As it is shown in figure 1, the present embodiment
Flat pipes of micro-channel heat exchangers includes that multiple fluid passage 1, multiple fluid passages 1 are arranged side by side in " one " font.
In the present embodiment, the cross section being perpendicular to its bearing of trend of the multiple fluid passages 1 being positioned at middle part is rectangle.Sidepiece
The sidewall in outside of fluid passage 1 be perpendicular to fluid passage 1 bearing of trend cross section for arc.Certainly fluid passage 1
The cross section being perpendicular to bearing of trend can also be for circular, oval, polygon or other shape.
The first protruding 2 and second projection 3 it is provided with, fluid passage 1 interior on the inwall of micro-channel heat exchanger fluid passage 1
Wall also includes partes glabra 6.
The inwall of fluid passage 1 arranges projection, adds the area of the inner surface of fluid passage 1, namely increase
Circulate in the cold-producing medium in fluid passage 1 and extraneous contact area, be conducive to improving heat exchange efficiency.
Further, projection can upset cold-producing medium liquid form in fluid passage 1, enhances the turbulent flow of cold-producing medium
Degree.
When micro-channel heat exchanger is used as condenser, when the cold-producing medium of liquid is more, projection is flooded by liquid refrigerant
Not yet, the condensation heat transfer effect of the micro-channel heat exchanger of the present embodiment is intended with smooth fluid course comparability.And when the system of gaseous state
When cryogen is more, projection is set and enhances the augmentation of heat transfer degree of micro-channel heat exchanger, it is shown that be protruding at thin annular membrane stream
In strengthening effect.
The protruding circulating resistance that too much can increase cold-producing medium, increases the pressure drop in fluid passage, increases whole cold-producing medium and follow
Loop systems energy consumption.The inwall of the fluid passage 1 of the micro-channel heat exchanger of the present embodiment also includes partes glabra 6, advantageously reduces body
Pressure drop in passage and whole refrigerant-cycle systems energy consumption.
The micro-channel heat exchanger fluid passage of the present embodiment can reach when cold-producing medium mostly is gaseous state to split air-flow, strengthens
The effect of turbulent extent；And the circulating resistance increasing cold-producing medium that will not be too much when cold-producing medium mostly is liquid so that whole
The energy consumption of refrigerant-cycle systems will not too much increase.
In the present embodiment, the protruding bearing of trend along fluid passage extends.Can also be preferably protruding along relative to fluid
The direction that passage 1 tilts extends so that cold-producing medium forms turbulent flow in fluid passage 1, to increase the rapids of fluid passage 1 inner refrigerant
Flow process degree, further enhances the heat transfer effect of micro-channel heat exchanger.
The protruding cross section being perpendicular to its bearing of trend be rectangle, triangle and trapezoidal in one.The most protruding hangs down
Straight can also be other shapes in the cross section of its bearing of trend.
As it is shown in figure 1, the inwall of the fluid passage 1 of the present embodiment includes the first side wall 4 and the second sidewall being oppositely arranged
5, the first side wall 4 is provided with the first projection 2, the second sidewall 5 is provided with the second projection 3.
The inwall of fluid passage 1 also includes the 3rd sidewall and the 4th sidewall being positioned at the both sides of the first side wall 4.3rd sidewall
It is all smooth with the 4th sidewall.3rd sidewall and the part that the 4th sidewall is partes glabra 6.
First protruding 2 and second projection 3 is oppositely arranged.The projection on the first side wall 4 of second projection 3 and the first projection 2
Overlap.Certainly, the projection on the first side wall 4 of second projection 3 partially overlaps with the first projection 2.
Preferably can also be provided with groove and partes glabra 6 on the inwall of fluid passage 1.Groove includes being arranged on first
The first groove on sidewall 4 and the second groove being arranged on the second sidewall 5.
Alternatively, the projection on the first side wall 4 of second groove at least partly overlaps with the first groove or to deviate first recessed
Groove.
Groove can extend along the bearing of trend of fluid passage.Can also preferably, groove is along inclining relative to fluid passage
Oblique direction extends, and makes the cold-producing medium in fluid passage 1 produce turbulent flow, to strengthen the turbulent extent of cold-producing medium.
The cross section being perpendicular to its bearing of trend of groove can for rectangle, triangle and trapezoidal in one.The most recessed
The cross section being perpendicular to its bearing of trend of groove can also be for other shape.
The present embodiment additionally provides a kind of micro-channel heat exchanger, and this micro-channel heat exchanger includes above-mentioned micro-channel heat exchanger
Runner.
The present embodiment additionally provides a kind of air-conditioning equipment, and this air-conditioning equipment includes above-mentioned micro-channel heat exchanger.Due to this
The heat transfer effect of the micro-channel heat exchanger of embodiment is improved, the circulating resistance of cold-producing medium reduces, the therefore sky of the present embodiment
The refrigeration of tune equipment or heating effect improve, and energy consumption is also reduced.
Embodiment two:
Fig. 2 shows the structural representation of the flat pipes of micro-channel heat exchangers of the present embodiment.As in figure 2 it is shown, the present embodiment
Flat pipes of micro-channel heat exchangers includes that multiple fluid passage 1, multiple fluid passages 1 are arranged side by side in " one " font.
The inwall of micro-channel heat exchanger fluid passage 1 includes the first side wall 4 and the second sidewall 5, the first side being oppositely arranged
It is provided with the first projection 2 on wall 4, the second sidewall 5 is provided with the second projection 3.The inwall of fluid passage 1 also includes partes glabra 6.
The present embodiment is from the different of embodiment one: the projection deviation first on the first side wall 4 of second projection 3 is protruding
2。
Embodiment three:
Fig. 3 shows the structural representation of the flat pipes of micro-channel heat exchangers of the present embodiment.As in figure 2 it is shown, the present embodiment
Flat pipes of micro-channel heat exchangers includes that multiple fluid passage 1, multiple fluid passages 1 are arranged side by side in " one " font.
The present embodiment is from the different of embodiment one: the cross section being perpendicular to its bearing of trend of fluid passage 1 is circle,
Two triangular hills 7 it are provided with on the inwall of fluid passage 1.The inwall of fluid passage 1 also includes partes glabra 6.
The foregoing is only the exemplary embodiment of the present invention, not in order to limit the present invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (13)
1. a micro-channel heat exchanger fluid passage, it is characterised in that include the inwall of fluid passage (1), described fluid passage
(1) being provided with projection or groove on inwall, the inwall of described fluid passage (1) also includes partes glabra (6).
Micro-channel heat exchanger fluid passage the most according to claim 1, it is characterised in that
Described projection or groove extend along the bearing of trend of described fluid passage；Or,
Described projection or groove extend along the direction tilted relative to described fluid passage.
Micro-channel heat exchanger fluid passage the most according to claim 1, it is characterised in that being perpendicular to it and prolong of described projection
Stretch the cross section in direction be rectangle, triangle and trapezoidal in one.
Micro-channel heat exchanger fluid passage the most according to claim 1, it is characterised in that being perpendicular to it and prolong of described groove
Stretch the cross section in direction be rectangle, triangle and trapezoidal in one.
Micro-channel heat exchanger fluid passage the most according to any one of claim 1 to 4, it is characterised in that described fluid
The inwall of passage (1) includes the first side wall (4) and the second sidewall (5) being oppositely arranged, and described projection includes being arranged on described
On one sidewall (4) first protruding (2) and second protruding (3) being arranged on described second sidewall (5).
6. according to the micro-channel heat exchanger fluid passage described in claim 5, it is characterised in that
Described second protruding (3) projection on described the first side wall (4) at least partly overlaps with described first protruding (2)；Or,
Described second protruding (3) projection deviation described first protruding (2) on described the first side wall (4).
Micro-channel heat exchanger fluid passage the most according to any one of claim 1 to 4, it is characterised in that described fluid
The inwall of passage (1) includes the first side wall (4) and the second sidewall (5) being oppositely arranged, and described groove includes being arranged on described
The first groove on one sidewall (4) and the second groove being arranged on described second sidewall (5).
8. according to the micro-channel heat exchanger fluid passage described in claim 7, it is characterised in that
The projection on described the first side wall (4) of described second groove at least partly overlaps with described first groove；Or,
The projection on described the first side wall (4) of described second groove deviates described first groove.
Micro-channel heat exchanger fluid passage the most according to claim 1, it is characterised in that the cross section of described fluid passage
For circular, oval and polygonal one.
10. a flat pipes of micro-channel heat exchangers, it is characterised in that include that the microchannel according to any one of claim 1 to 9 is changed
Hot device fluid passage (1).
11. flat pipes of micro-channel heat exchangers according to claim 10, it is characterised in that described micro-channel heat exchanger fluid leads to
Road (1) is multiple, and multiple described micro-channel heat exchanger fluid passages (1) are arranged side by side.
12. 1 kinds of micro-channel heat exchangers, it is characterised in that described micro-channel heat exchanger includes institute any one of claim 1 to 9
The micro-channel heat exchanger fluid passage (1) stated.
13. 1 kinds of air-conditioning equipments, it is characterised in that described air-conditioning equipment includes the micro-channel heat exchanger described in claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814413.2A CN106225328A (en) | 2016-09-09 | 2016-09-09 | Micro-channel heat exchanger fluid passage, flat tube, micro-channel heat exchanger and air-conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814413.2A CN106225328A (en) | 2016-09-09 | 2016-09-09 | Micro-channel heat exchanger fluid passage, flat tube, micro-channel heat exchanger and air-conditioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106225328A true CN106225328A (en) | 2016-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610814413.2A Pending CN106225328A (en) | 2016-09-09 | 2016-09-09 | Micro-channel heat exchanger fluid passage, flat tube, micro-channel heat exchanger and air-conditioning equipment |
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| Country | Link |
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| CN (1) | CN106225328A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018867A (en) * | 1998-06-23 | 2000-01-18 | Mitsubishi Heavy Ind Ltd | Tube material for heat exchanger and heat exchanger |
| KR100606332B1 (en) * | 2005-03-10 | 2006-07-28 | 주식회사 두원공조 | Flat tube for heat exchanger for use in air conditioning or refrigeration systems |
| CN201155627Y (en) * | 2007-12-29 | 2008-11-26 | 金龙精密铜管集团股份有限公司 | Special-shaped channel hole flat tube |
| CN201318900Y (en) * | 2008-11-17 | 2009-09-30 | 新乡天禄工业有限公司 | Aluminum flat tube |
| CN201503174U (en) * | 2009-09-14 | 2010-06-09 | 珠海格力电器股份有限公司 | Heat exchanger for air conditioner |
| CN104533538A (en) * | 2014-12-15 | 2015-04-22 | 厦门大学 | Heat exchange channel wall with rib structure |
| CN105864888A (en) * | 2016-04-01 | 2016-08-17 | 海信（山东）空调有限公司 | Microchannel heat exchanger and air conditioner |
| CN206037486U (en) * | 2016-09-09 | 2017-03-22 | 珠海格力电器股份有限公司 | Microchannel heat exchanger fluid passage , flat pipe, microchannel heat exchanger and air conditioning equipment |
-
2016
- 2016-09-09 CN CN201610814413.2A patent/CN106225328A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018867A (en) * | 1998-06-23 | 2000-01-18 | Mitsubishi Heavy Ind Ltd | Tube material for heat exchanger and heat exchanger |
| KR100606332B1 (en) * | 2005-03-10 | 2006-07-28 | 주식회사 두원공조 | Flat tube for heat exchanger for use in air conditioning or refrigeration systems |
| CN201155627Y (en) * | 2007-12-29 | 2008-11-26 | 金龙精密铜管集团股份有限公司 | Special-shaped channel hole flat tube |
| CN201318900Y (en) * | 2008-11-17 | 2009-09-30 | 新乡天禄工业有限公司 | Aluminum flat tube |
| CN201503174U (en) * | 2009-09-14 | 2010-06-09 | 珠海格力电器股份有限公司 | Heat exchanger for air conditioner |
| CN104533538A (en) * | 2014-12-15 | 2015-04-22 | 厦门大学 | Heat exchange channel wall with rib structure |
| CN105864888A (en) * | 2016-04-01 | 2016-08-17 | 海信（山东）空调有限公司 | Microchannel heat exchanger and air conditioner |
| CN206037486U (en) * | 2016-09-09 | 2017-03-22 | 珠海格力电器股份有限公司 | Microchannel heat exchanger fluid passage , flat pipe, microchannel heat exchanger and air conditioning equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20161214 |