CN207779205U - Microchannel heat exchange tube, microchannel heat exchanger and heat pump system - Google Patents
Microchannel heat exchange tube, microchannel heat exchanger and heat pump system Download PDFInfo
- Publication number
- CN207779205U CN207779205U CN201721751225.6U CN201721751225U CN207779205U CN 207779205 U CN207779205 U CN 207779205U CN 201721751225 U CN201721751225 U CN 201721751225U CN 207779205 U CN207779205 U CN 207779205U
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- gear piece
- flat tube
- pipe
- thermal performance
- micro
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000012546 transfer Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a microchannel heat exchange tube, microchannel heat exchanger and heat pump system can guarantee that the comdenstion water is discharged smoothly, avoids or reduces heat exchanger fin frost condensation, improves heat exchanger heat transfer performance. The microchannel heat exchange tube comprises flat tubes (1) and tooth sheets (2) arranged on at least one side of the flat tubes (1), wherein the tooth sheets (2) are obliquely arranged relative to tube surfaces of the flat tubes (1) on the side where the tooth sheets (2) are arranged, so that condensed water on the tooth sheets (2) slides downwards along the extension direction of the tooth sheets (2). According to the utility model discloses a microchannel heat exchange tube, microchannel heat exchanger and heat pump system can guarantee that the comdenstion water is discharged smoothly, avoids or reduces heat exchanger fin frost condensation, improves heat exchanger heat transfer performance.
Description
Technical field
The utility model belongs to air-conditioning technique field, and in particular to a kind of Thermal Performance of Micro Channels pipe, micro-channel heat exchanger
And heat pump system.
Background technology
Full aluminium micro-channel heat exchanger is mainly welded by fin and flat tube, and fin is wave structure, is placed on two
Between flat tube, flat tube is laid parallel.When full aluminium micro-channel heat exchanger is used for evaporator, fin surface can form droplet, converge
The root of fin is combined in, can not be timely and effectively discharged, causes product surface frosting serious, influences product heat exchange.
Full aluminium micro-channel heat exchanger is used as heat pump at present, and there are mainly two types of structures：
1, Wavelike finned+flat tube is vertical：Existing full aluminium micro-channel heat exchanger is rotated by 90 °, header is parallel
It puts, Wavelike finned due to using, partial condensation water can not effectively be discharged, and effect is undesirable；
2, plug-in type fin+flat tube is parallel：I.e. by it is existing it is Wavelike finned be adjusted to plug-in type fin, and by part wing
Piece is placed on the outside of flat tube, causes the fin in outside to be easy lodging, and processing technology is difficult, using effect is undesirable.
Therefore, existing micro-channel heat exchanger causes heat exchanger fin to be easy solidifying frost, heat exchange there are condensed water discharge inconvenience
The problem of ability reduces.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of Thermal Performance of Micro Channels pipe, micro-channel heat exchangers
And heat pump system, it can ensure that condensed water is smoothly discharged, avoid or reduce the solidifying frost of heat exchanger fin, improve heat exchanger heat-exchange performance
Energy.
To solve the above-mentioned problems, the utility model provides a kind of Thermal Performance of Micro Channels pipe, including flat tube and setting flat
The gear piece of at least side of pipe, gear piece is angularly disposed relative to the pipe face of flat-sided pipe where it, so that the condensed water edge on gear piece
The extending direction of gear piece slides downwards.
Preferably, multiple gear pieces are arranged along the length direction uniform intervals of flat tube, are located between the gear piece of the same side mutually
It is parallel.
Preferably, the angle between gear piece and the flat tube pipe face of gear piece place side is 15 °~75 °.
Preferably, gear piece is multiple, along the length direction of flat tube, spacing between adjacent two gear pieces is 1~
6mm。
Preferably, the thickness of gear piece is 0.1~3mm.
Preferably, gear piece is corrugated plate, plain film, bridge piece or pleated sheet.
Preferably, gear piece is formed by flat tube teeth.
Preferably, the width of gear piece is less than or equal to the flat tube pipe face width where it, and along the pipe perpendicular to flat tube
Face direction, gear piece are located in the pipe face coverage area of flat tube.
Another aspect according to the present utility model provides a kind of micro-channel heat exchanger, including Thermal Performance of Micro Channels pipe, this is micro-
Channel for heat exchange pipe is above-mentioned Thermal Performance of Micro Channels pipe.
Preferably, micro-channel heat exchanger further includes two headers disposed in parallel, and Thermal Performance of Micro Channels pipe is connected to two
Between header, multiple Thermal Performance of Micro Channels pipes are intervally arranged along the length direction of header.
Preferably, when the opposite sides of flat tube is both provided with gear piece, the sides adjacent of adjacent flat tube, between two groups of teeth piece
Spacing is 0~6mm；Or, when the side of flat tube is provided with gear piece, gear piece is arranged at the same side of each flat tube, gear piece and phase
Spacing between the pipe face of adjacent flat tube is 0~6mm.
It is according to the present utility model in another aspect, provide a kind of heat pump system, including Thermal Performance of Micro Channels pipe, the microchannel
Heat exchanger tube is above-mentioned Thermal Performance of Micro Channels pipe.
Thermal Performance of Micro Channels pipe provided by the utility model, including flat tube and gear piece in at least side of flat tube is set,
Gear piece is angularly disposed relative to flat tube pipe face, so that the condensed water on gear piece slides downwards along the extending direction of gear piece.This is micro- logical
Road heat exchanger tube when in use, can be vertically arranged, so that gear piece extends obliquely, in flat tube surface or web surface institute
The condensed water of formation can obliquely be flowed along web surface so that condensed water can smoothly be discharged, will not be in web surface
Accumulation is formed, avoids or reduces the solidifying frost of heat exchanger fin, improve the heat exchange property of Thermal Performance of Micro Channels pipe, and then improve heat exchanger
Heat exchange property.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the Thermal Performance of Micro Channels pipe of the utility model first embodiment；
Fig. 2 is the partial enlargement structural representation of the Thermal Performance of Micro Channels pipe of the utility model first embodiment；
Fig. 3 is the dimensional structure diagram of the Thermal Performance of Micro Channels pipe of the utility model second embodiment.
Reference numeral is expressed as：
1, flat tube；2, gear piece；3, header.
Specific implementation mode
In conjunction with referring to shown in Fig. 1 to 3, embodiment according to the present utility model, Thermal Performance of Micro Channels pipe includes flat tube 1 and sets
The gear piece 2 in at least side of flat tube 1 is set, gear piece 2 is angularly disposed relative to the pipe face of flat-sided pipe 1 where it, so that on gear piece 2
Condensed water slid downwards along the extending direction of gear piece 2.
The Thermal Performance of Micro Channels pipe when in use, can be vertically arranged, so that gear piece 2 extends obliquely, in 1 table of flat tube
Face or 2 surface of gear piece, which are formed by condensed water, to be flowed obliquely along 2 surface of gear piece so that condensed water can be arranged smoothly
Go out, will not be formed and be gathered on 2 surface of gear piece, avoids or reduce the solidifying frost of heat exchanger fin, improve the heat exchange of Thermal Performance of Micro Channels pipe
Performance, and then improve the heat exchange property of heat exchanger.
Gear piece 2 can be provided only on the side of flat tube 1, can also be arranged simultaneously in the both sides of flat tube 1.When gear piece 2 simultaneously
It is arranged at the both sides of flat tube 1, the gear piece 2 positioned at 1 both sides of flat tube can be symmetrical arranged, can also be along the length side of flat tube 1
To shifting to install.
Preferably, multiple gear pieces 2 are arranged along the length direction uniform intervals of flat tube 1, are located at phase between the gear piece 2 of the same side
It is mutually parallel, to ensure that there is uniform gap between adjacent gear piece 2 so that the entire flat tube length side of Thermal Performance of Micro Channels pipe
Upward heat exchange is more uniform, at the same can also more convenient setting for carrying out gear piece 2, avoid between gear piece 2 due to being spaced not
It unanimously interferes, reduces the setting difficulty of gear piece 2, while improving the heat exchange efficiency of Thermal Performance of Micro Channels pipe.
Preferably, the angle between gear piece 2 and the 1 pipe face of flat tube of the 2 place side of gear piece is 15 °~75 °, so as to protect
Card condensed water can be flowed down rapidly from the surface of gear piece 2, will not be gathered, while avoiding the gap between gear piece 2 too small,
It causes to hinder for crossing wind, ensures the heat transfer effect of Thermal Performance of Micro Channels pipe.Preferably, the flat tube of gear piece 2 and the 2 place side of gear piece
Angle between 1 pipe face is 45 °.
Preferably, gear piece 2 is multiple, along the length direction of flat tube 1, spacing between adjacent two gear pieces 2 is 1~
6mm thereby may be ensured that the aligned gaps of the gear piece 2 on same flat tube 1 can allow for air smooth flow, improve the stream of air
Efficiency of movement ensures the overall heat exchange efficiency of air and Thermal Performance of Micro Channels pipe.
Preferably, the thickness of gear piece 2 is 0.1~3mm, to further ensure heat transfer and the heat dissipation effect of gear piece 2,
Ensure the heat transfer effect of Thermal Performance of Micro Channels pipe.
Preferably, gear piece 2 is corrugated plate, plain film, bridge piece or pleated sheet.When gear piece 2 is corrugated plate or pleated sheet, tooth
The trough of piece is continuously decreased along the direction height far from flat tube 1, so that when in condensate return to trough, it can be smooth
Outside along trough discharge gear piece 2, the condensed water discharge effect on gear piece 2 is improved.
Preferably, gear piece 2 is formed by 1 teeth of flat tube.In such cases, gear piece 2 is integrally formed with flat tube 1, air side
Thermal resistance is substantially zeroed, can greatly improve the heat-transfer effect between flat tube 1 and gear piece 2, improves the heat-exchange performance of Thermal Performance of Micro Channels pipe
Energy.
Due to the use of teeth formula gear piece structure, teeth pipe is arranged vertically, and gear piece is directly molded in flat tube surface teeth, heat
The condensed water of pump can freely be slipped to the top of gear piece along gear piece, at the same on the gear piece of the other side or teeth pipe plane
Water formation collects, and after forming flow, can quickly flow away；Since teeth pipe is vertical design, refrigerant effluent in pipe
Dynamic process makes the shunting of refrigerant evenly using evaporating pressure, gravity；Teeth formula gear piece structure is because there is no dead
Angle or closed angle, the occurrence of product dust stratification can be reduced.
Preferably, the width of gear piece 2 is less than or equal to the 1 pipe face width of flat tube where it, and along perpendicular to flat tube 1
Pipe face direction, gear piece 2 are located in the pipe face coverage area of flat tube 1, to ensure that gear piece between adjacent flat tube 1, edge
Width direction will not expose outside the range of flat tube 1, can be formed and be protected to gear piece 2 by flat tube 1, considerably reduce gear piece
The generation for the phenomenon that lodges.
Preferably, micro-channel heat exchanger further includes splitter, and splitter is inserted into from the pipe end of flat tube 1, in flat tube 1.
Preferably, flat tube 1 is aluminum pipe.
In conjunction with referring to shown in Fig. 1 to Fig. 3, embodiment according to the present utility model, micro-channel heat exchanger includes that microchannel is changed
Heat pipe, the Thermal Performance of Micro Channels pipe are above-mentioned Thermal Performance of Micro Channels pipe.
Preferably, micro-channel heat exchanger further includes two headers 3 disposed in parallel, and Thermal Performance of Micro Channels pipe is connected to two
Between header 3, multiple Thermal Performance of Micro Channels pipes are intervally arranged along the length direction of header 3.Micro-channel heat exchanger also includes
Partition, separating tube, end cap, trestle component carry out flowing of the refrigerant in flat tube 1 by being collocated with each other for above-mentioned part
Rational shunting, to improve the shunting uniformity of refrigerant.
Preferably, when the opposite sides of flat tube 1 is both provided with gear piece 2, the sides adjacent of adjacent flat tube 1, two groups of teeth piece 2 it
Between spacing be 0~6mm；Or, when the side of flat tube 1 is provided with gear piece 2, gear piece 2 is arranged at the same side of each flat tube 1,
Spacing between gear piece 2 and the pipe face of adjacent flat tube 1 is that 0~6mm can when to ensure that condensed water is flowed down along gear piece 2
Water bridge is formed between the pipe face of adjacent gear piece or flat tube 1 so that condensed water on gear piece 2 and adjacent gear piece are flat
Condensed water on the pipe face of pipe 1 forms confluence, improves the flow efficiency of condensed water, prevents to generate dead angle on product, to avoid
The case where ponding, dust stratification, occurs.
When micro-channel heat exchanger is as condenser working, micro-channel heat exchanger is connect by connecting tube with system, refrigeration
Agent initially enters header 3, is shunted to refrigerant by the partition of setting, and the gaseous refrigerant of high temperature and pressure is uniform
It distributes to every teeth pipe, then the gear piece 2 being arranged by teeth pipe surface, heat exchange is carried out to air side, by the sky flowed
Gas takes away heat, completes the condensation to refrigerant.It is converged to again in header 3 by condensed refrigerant, passes through connection
Pipe is connect with system, to complete a heat exchange cycle.
And when micro-channel heat exchanger as evaporator in use, micro-channel heat exchanger is connect by connecting tube with system, make
Cryogen initially enters header 3, is shunted to refrigerant by the partition of setting, and the liquid refrigerant of low-temp low-pressure is uniform
Distribution to every teeth pipe in, then the gear piece 2 that is arranged by teeth pipe surface carries out heat absorption exchange to air side, is absorbing heat
In exchange process, the water in air can form condensed water on gear piece 2.Since the inclination of gear piece 2 extends downward, there is certain downslide
Angle, condensed water can slide along gear piece, and collect with the condensed water on the planar side of teeth pipe or gear piece side at tooth top, suitable
Teeth pipe or gear piece 2, the bottom of micro-channel heat exchanger is flow to, smoothly condensed water is discharged outside micro-channel heat exchanger, is completed
Evaporation to refrigerant.Refrigerant after pervaporation is converged to again in header 3, is connect with system by connecting tube, to
Complete a heat exchange cycle.
Embodiment according to the present utility model, heat pump system include Thermal Performance of Micro Channels pipe, which is above-mentioned
Thermal Performance of Micro Channels pipe.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with modification.
Claims (12)
1. a kind of Thermal Performance of Micro Channels pipe, which is characterized in that including flat tube (1) and be arranged in at least side of the flat tube (1)
Gear piece (2), the gear piece (2) is angularly disposed relative to the pipe face of flat-sided pipe (1) where it, so that on the gear piece (2)
Condensed water slides downwards along the extending direction of the gear piece (2).
2. Thermal Performance of Micro Channels pipe according to claim 1, which is characterized in that multiple gear pieces (2) are along the flat tube (1)
Length direction uniform intervals setting, be located at the same side the gear piece (2) between be mutually parallel.
3. Thermal Performance of Micro Channels pipe according to claim 1, which is characterized in that the gear piece (2) and side where the gear piece (2)
Flat tube (1) pipe face between angle be 15 °~75 °.
4. Thermal Performance of Micro Channels pipe according to any one of claim 1 to 3, which is characterized in that the gear piece (2) is more
A, along the length direction of the flat tube (1), the spacing between adjacent two gear pieces (2) is 1~6mm.
5. Thermal Performance of Micro Channels pipe according to any one of claim 1 to 3, which is characterized in that the thickness of the gear piece (2)
For 0.1~3mm.
6. Thermal Performance of Micro Channels pipe according to claim 1, which is characterized in that the gear piece (2) is corrugated plate, plain film, bridge
Piece or pleated sheet.
7. Thermal Performance of Micro Channels pipe according to claim 1, which is characterized in that the gear piece (2) is by the flat tube (1) teeth
It is formed.
8. Thermal Performance of Micro Channels pipe according to claim 1, which is characterized in that the width of the gear piece (2) is less than or equal to
Flat tube (1) pipe face width where it, and along perpendicular to the pipe face direction of the flat tube (1), the gear piece (2) is located at described
In the pipe face coverage area of flat tube (1).
9. a kind of micro-channel heat exchanger, including Thermal Performance of Micro Channels pipe, which is characterized in that the Thermal Performance of Micro Channels pipe is claim
Thermal Performance of Micro Channels pipe described in any one of 1 to 8.
10. micro-channel heat exchanger according to claim 9, which is characterized in that the micro-channel heat exchanger further includes parallel
Two headers (3) being arranged, the Thermal Performance of Micro Channels pipe are connected between two headers (3), multiple described micro- logical
Road heat exchanger tube is intervally arranged along the length direction of the header (3).
11. micro-channel heat exchanger according to claim 10, which is characterized in that when the opposite sides of flat tube (1) is respectively provided with
When having gear piece (2), the sides adjacent of adjacent flat tube (1), the spacing between two groups of teeth piece (2) is 0~6mm；Or, when flat tube (1)
When side is provided with gear piece (2), the gear piece (2) is arranged at the same side of each flat tube (1), the gear piece (2) and phase
Spacing between the pipe face of the adjacent flat tube (1) is 0~6mm.
12. a kind of heat pump system, including Thermal Performance of Micro Channels pipe, which is characterized in that the Thermal Performance of Micro Channels pipe be claim 1 to
Thermal Performance of Micro Channels pipe described in any one of 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751225.6U CN207779205U (en) | 2017-12-13 | 2017-12-13 | Microchannel heat exchange tube, microchannel heat exchanger and heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751225.6U CN207779205U (en) | 2017-12-13 | 2017-12-13 | Microchannel heat exchange tube, microchannel heat exchanger and heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207779205U true CN207779205U (en) | 2018-08-28 |
Family
ID=63231289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721751225.6U Active CN207779205U (en) | 2017-12-13 | 2017-12-13 | Microchannel heat exchange tube, microchannel heat exchanger and heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207779205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323612A (en) * | 2018-10-23 | 2019-02-12 | 珠海格力电器股份有限公司 | Novel duct piece fusion structure and air conditioner heat exchanger |
| CN110332734A (en) * | 2019-07-31 | 2019-10-15 | 徐生恒 | Round-the-clock defrosting evaporator and the air-conditioning system for using the evaporator |
| CN111366027A (en) * | 2018-12-25 | 2020-07-03 | 杭州三花微通道换热器有限公司 | Fin and heat exchanger with same |
-
2017
- 2017-12-13 CN CN201721751225.6U patent/CN207779205U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323612A (en) * | 2018-10-23 | 2019-02-12 | 珠海格力电器股份有限公司 | Novel duct piece fusion structure and air conditioner heat exchanger |
| CN111366027A (en) * | 2018-12-25 | 2020-07-03 | 杭州三花微通道换热器有限公司 | Fin and heat exchanger with same |
| CN111366027B (en) * | 2018-12-25 | 2022-02-25 | 杭州三花微通道换热器有限公司 | Fin and heat exchanger with same |
| CN110332734A (en) * | 2019-07-31 | 2019-10-15 | 徐生恒 | Round-the-clock defrosting evaporator and the air-conditioning system for using the evaporator |
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