CN1936484A - Efficient skew-inserted air-cooling-tube finned heat exchanger - Google Patents
Efficient skew-inserted air-cooling-tube finned heat exchanger Download PDFInfo
- Publication number
- CN1936484A CN1936484A CN 200610036219 CN200610036219A CN1936484A CN 1936484 A CN1936484 A CN 1936484A CN 200610036219 CN200610036219 CN 200610036219 CN 200610036219 A CN200610036219 A CN 200610036219A CN 1936484 A CN1936484 A CN 1936484A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- pipe
- place
- straight line
- parallel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
This invention discloses a tilted-inserted wind-cooling tube wing-like heat exchanger increasing the settle time of air side, prolonging the contact time of fluid outside of the tube of the heat exchanger with the exchanger to increase the heat conduction efficiency including several U-shape tubes with two parallel tube parts, several wing plates are arranged in gaps along the axis on the parallel tubes of the U-shape tubes, one side of the wing plates forms a windward side of the exchanger and the line where two parallel tube centers place of part of the U tubes on the vertical section of the axes direction of the parallel tubes has an included angle with the line where the windward face place, which alters the distribution of traditional U-shape tubes to increase the settle time of air side to increase the heat exchange ability.
Description
Technical field
The invention belongs to air-conditioner and make the field, be specifically related to the improvement technology of air-cooled tube wing-type heat exchanger in the air-conditioner.
Technical background
Finned heat exchanger in the market has various ways, and as fin-tube type, dividing wall type, two-sided honeycomb fashion, swinging, wherein the fin-tube type finned heat exchanger is a heat exchanger structure form the most frequently used in the operation of air conditioning systems.Air-cooled tube wing-type heat exchanger, gas phase or liquid phase cold (heat) fluid be in the pipe flows inside, air under the effect of blower fan from pipe outside nature or forced flow be cooled (heat radiation).In order to increase heat transfer area, pipe is outer generally to be equipped with fin more, and adopts mode double or that arrange comb more.The thermal resistance regularity of distribution of fin-tube type finned heat exchanger is: the ratio of the thermal resistance of the thermal contact resistance of pipe internal thermal resistance, heat exchanger fin and pipe outer air side is approximately 2: 1: 7.
Air-cooled tube wing-type heat exchanger comprise some U-shaped pipes with two straight-tube portions and a plurality of in this straight-tube portion upper edge its fins set of vertically arranging at certain intervals.Usually, the plane at two straight tube axis places of U type pipe and heat exchanger place plane parallel are to improve intake and to reduce the air side heat transfer temperature difference.The characteristics of this heat exchanger are that pipeline space is tight, fin density is high, air path and the time of staying are shorter.Accompanying drawing 1 is existing air-cooled tube wing-type heat exchanger stereogram.This heat exchanger comprises 8 U-shaped pipes 1 with two parallel pipe parts, with hundreds of in the parallel pipe part upper edge of this U-shaped pipe its fin 2 of axially arranging at certain intervals, each fin all has the pipe patchhole that separates at a certain distance each other, and two parallel pipes of U-shaped pipe 1 partly are inserted through each fin and manage patchhole accordingly.The machine-shaping of heat exchanger process expand tube has been carried out bending so that be installed in the air-conditioner outdoor unit.Fig. 2 be this heat exchanger along with the end view drawing of two parallel pipe axis directions of U-shaped pipe 1, two formed straight lines in parallel pipe center of U-shaped pipe 1 are parallel with the straight line 3 at place, heat exchanger windward side, are equivalent to angle a=0 °.
Because global copper valency constantly rises in recent years, therefore, increase the heat exchanger air side time of staying, prolonged the time of contact of outer side liquid of Tube Sheet of Heat Exchanger and heat exchanger, can effectively utilize the exchange capability of heat of copper pipe, heat exchanger cost and augmentation of heat transfer are significant for reducing.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, a kind of efficient skew-inserted air-cooling-tube finned heat exchanger that increases the air side time of staying is provided, prolonged the time of contact of outer side liquid of Tube Sheet of Heat Exchanger and heat exchanger, to improve the heat transfer efficiency of heat exchanger.
Efficient oblique cutting highly effective air-cooled tube wing-type heat exchanger provided by the present invention, comprise some U-shaped pipes with two parallel pipe parts, it axially is furnished with some fins at certain intervals the parallel pipe part upper edge of U-shaped pipe, one side of described fin forms the heat exchanger windward side, it is characterized in that: on the vertical cross-section of parallel pipe axis direction, have the angle of 0 °＜α＜90 ° to the straight line at the straight line at the place, two parallel pipe centers of small part U-shaped pipe and place, heat exchanger windward side.
Sometimes, also to carry out bending operation after the machine-shaping of fin-tube type heat exchanger process expand tube according to the installation site needs.So the face at two parallel pipe places of above-mentioned U-shaped pipe and heat exchanger windward side all are interpreted as the face of broad sense.
Angle described in the such scheme can be the angle that the straight line at the straight line at place, two parallel pipe centers of whole U-shaped pipes and place, heat exchanger windward side has 15 °≤a≤75 °.
Also can be the angle that the straight line at the straight line at place, two parallel pipe centers of a part of U-shaped pipe and place, heat exchanger windward side has 15 °≤a≤75 °, the straight line at the place, two parallel pipe centers of another part U-shaped pipe and the straight line at place, heat exchanger windward side be parallel to each other.
Can also be the angle that the straight line at the straight line at place, two parallel pipe centers of a part of U-shaped pipe and place, heat exchanger windward side has 15 °≤a≤75 °, the straight line at the place, two parallel pipe centers of another part U-shaped pipe be vertical mutually with the straight line at place, heat exchanger windward side.
Described U-shaped pipe can be set to two row or multi-row.There is vertical drop d in front-seat U type Guan Yuhou row U type pipe, and dt≤d≤L * COS (a), wherein dt is the caliber of U-shaped pipe, L is the spacing between two parallel pipes of U-shaped pipe, and a is the angle between the straight line at the straight line at place, two parallel pipe centers of aforementioned U-shaped pipe and place, heat exchanger windward side.
The face at two parallel pipe places of perhaps front-seat U type pipe has differential seat angle b with the mask at two parallel pipe places of back row U type pipe, and 45 °≤b≤135 °.
Compared with prior art, efficient skew-inserted air-cooling-tube finned heat exchanger provided by the present invention is arranged by changing traditional U-shaped pipe, increases the air side time of staying, has improved the exchange capability of heat and the heat transfer efficiency of heat exchanger.For the heat exchanger of specified exchange capability of heat and heat transfer efficiency, can make the heat exchanger miniaturization, reduce the consumption of copper, thereby reduce manufacturing cost.
Description of drawings
Below in conjunction with the drawings and the specific embodiments air-cooled tube wing-type heat exchanger of the present invention is further described:
Accompanying drawing 1 is existing air-cooled tube wing-type heat exchanger stereogram;
Accompanying drawing 2 is that the M of Fig. 1 is to view;
Accompanying drawing 3 is the line arrangement schematic diagram of air-cooled tube wing-type heat exchanger embodiment one of the present invention;
Accompanying drawing 4 is the line arrangement schematic diagram of air-cooled tube wing-type heat exchanger embodiment two of the present invention;
Accompanying drawing 5 is the line arrangement schematic diagram of air-cooled tube wing-type heat exchanger embodiment three of the present invention;
Accompanying drawing 6 is the line arrangement schematic diagram of air-cooled tube wing-type heat exchanger embodiment four of the present invention.
The specific embodiment
Embodiment one:
Heat exchanger shown in the accompanying drawing 3 comprises that two rows have the U-shaped pipe of two parallel pipe parts, with a plurality of in this parallel pipe part upper edge its fin 2 of vertically arranging at certain intervals, each fin all has the pipe patchhole that separates at a certain distance each other, two parallel pipes of U-shaped pipe partly are inserted through each fin and manage patchhole accordingly, after expand tube machine-shaping, can carry out bending operation according to the installation site needs.With the vertical cross-section of parallel pipe axis direction on, the straight line at the place, two parallel pipe centers of U-shaped pipe and the straight line at place, heat exchanger windward side have differential seat angle a=45 °.Shown in accompanying drawing 3a, b, relative and air-flow direction, efficient skew-inserted air-cooling-tube finned heat exchanger have oblique cutting and two kinds of forms of oblique cutting down with the wind against the wind.
Embodiment two:
What the heat exchanger shown in the accompanying drawing 4 and embodiment one were different is that there is vertical drop d in front-seat U type Guan Yuhou row U type pipe in the present embodiment, and dt≤d≤L * COS (a).As shown in Figure 4, dt is the caliber of U-shaped pipe, and L is the spacing of two straight parallel tube portions of U-shaped pipe.In the present embodiment, a=45 °, d=0.5 * [dt+L * COS (a)].
Test shows, the efficient skew-inserted air-cooling-tube finned heat exchanger that uses present embodiment is as the KFR-35GW condenser for outdoor unit of air conditioner, under identical pipe number and heat exchanger length condition, compare with the dual-row condenser of using conventional vertical stringing shown in the accompanying drawing 1, the refrigerating capacity of air-conditioner has increased 4.3%, and refrigerating efficiency has improved 2.9%.More valuable is that when this air-conditioner used the dual-row condenser of conventional vertical stringing, refrigerating efficiency was 3.14, does not reach the index 3.2 of secondary efficiency.In order to reach 3.2 refrigerating efficiency, have to adopt bigger off-premises station and condenser, the cost increase is very big.And the refrigerating efficiency lifting is 3.23 behind the use efficient skew-inserted air-cooling-tube finned heat exchanger, does not need to change casing and can reach the secondary efficiency, has very strong cost advantage.
Embodiment three:
What the heat exchanger shown in the accompanying drawing 5 and embodiment two were different is, the face at two parallel pipe places of front-seat U type pipe has differential seat angle b with the mask at two parallel pipe places of back row U type pipe in the present embodiment, and 45 °≤b≤135 °.Shown in accompanying drawing 4a, b, the straight line OC at two parallel straight tube places of front-seat U-shaped pipe has differential seat angle b1=90 °, b2=75 ° with the straight line OD at two parallel straight tube places of back row U type pipe.
Embodiment four:
Heat exchanger shown in the accompanying drawing 6 is efficient oblique cutting pipe and the combination of conventional vertical cloth form of tubes.5 pipes in heat exchanger top are the oblique cutting pipe in the present embodiment, and the straight line at the place, two parallel pipe centers of U-shaped pipe and the straight line at place, heat exchanger windward side have differential seat angle a, in the present embodiment differential seat angle a=60 °.And the bottom is the vertical stringings of two row's routines, and the straight line at the place, two parallel pipe centers of U-shaped pipe and the straight line at place, heat exchanger windward side are parallel to each other, and are equivalent to a=0 °.
Test shows, the efficient skew-inserted air-cooling-tube finned heat exchanger that uses present embodiment is as KC-15 window air conditioner condenser, under identical pipe number and heat exchanger length condition, compare with the dual-row condenser of using conventional vertical stringing, the refrigerating capacity of air-conditioner has increased 3.1%, and refrigerating efficiency has improved 1.9%.
Among the above embodiment, it is vertical with heat exchanger air intake direction all to set the heat exchanger windward side, when heat exchanger windward side and heat exchanger air intake direction have differential seat angle, when particularly differential seat angle was in 15～75 ° or 105～165 ° of scopes, the cold fin-tube type heat exchanger of this oblique cutting manage-style can be obtained the similar effect with above-mentioned embodiment.
Claims (7)
1. air-cooled tube wing-type heat exchanger, comprise some U-shaped pipes with two parallel pipe parts, it axially is furnished with some fins at certain intervals the parallel pipe part upper edge of U-shaped pipe, one side of described fin forms the heat exchanger windward side, it is characterized in that: on the vertical cross-section of parallel pipe axis direction, have the angle of 0 °＜α＜90 ° to the straight line at the straight line at the place, two parallel pipe centers of small part U-shaped pipe and place, heat exchanger windward side.
2, according to the described air-cooled tube wing-type heat exchanger of claim 1, it is characterized in that: all the straight line at the straight line at the place, two parallel pipe centers of U-shaped pipes and place, heat exchanger windward side has the angle of 15 °≤a≤75 °.
3, according to the described air-cooled tube wing-type heat exchanger of claim 1, it is characterized in that: the straight line at the place, two parallel pipe centers of a part of U-shaped pipe and the straight line at place, heat exchanger windward side have the angle of 15 °≤a≤75 °, and the straight line at the place, two parallel pipe centers of another part U-shaped pipe and the straight line at place, heat exchanger windward side are parallel to each other.
4, according to the described air-cooled tube wing-type heat exchanger of claim 1, it is characterized in that: the straight line at the place, two parallel pipe centers of a part of U-shaped pipe and the straight line at place, heat exchanger windward side have the angle of 15 °≤a≤75 °, and the straight line at the place, two parallel pipe centers of another part U-shaped pipe is vertical mutually with the straight line at place, heat exchanger windward side.
According to each described air-cooled tube wing-type heat exchanger of claim 1 to 4, it is characterized in that 5, described U-shaped pipe is set to two row or multi-row.
6, according to the described air-cooled tube wing-type heat exchanger of claim 5, it is characterized in that, there is vertical drop d in described front-seat U type Guan Yuhou row U type pipe, and dt≤d≤L * COS (a), wherein dt is the caliber of U-shaped pipe, L is the spacing between two parallel pipes of U-shaped pipe, and a is the angle between the straight line at the straight line at place, two parallel pipe centers of aforementioned U-shaped pipe and place, heat exchanger windward side.
According to the described air-cooled tube wing-type heat exchanger of claim 2, it is characterized in that 7, the face at two parallel pipe places of described front-seat U type pipe has differential seat angle b with the mask at two parallel pipe places of back row U type pipe, and 45 °≤b≤135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610036219 CN1936484A (en) | 2006-06-30 | 2006-06-30 | Efficient skew-inserted air-cooling-tube finned heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610036219 CN1936484A (en) | 2006-06-30 | 2006-06-30 | Efficient skew-inserted air-cooling-tube finned heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1936484A true CN1936484A (en) | 2007-03-28 |
Family
ID=37954120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610036219 Pending CN1936484A (en) | 2006-06-30 | 2006-06-30 | Efficient skew-inserted air-cooling-tube finned heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1936484A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235779A (en) * | 2011-07-19 | 2011-11-09 | 海信科龙电器股份有限公司 | Air-conditioning heat exchanger |
| CN105020878A (en) * | 2014-04-17 | 2015-11-04 | 广东美的集团芜湖制冷设备有限公司 | Multi-row heat exchanger and air conditioner |
| CN108797048A (en) * | 2017-05-02 | 2018-11-13 | 青岛海尔洗衣机有限公司 | A kind of heat pump system and clothesdrier |
-
2006
- 2006-06-30 CN CN 200610036219 patent/CN1936484A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235779A (en) * | 2011-07-19 | 2011-11-09 | 海信科龙电器股份有限公司 | Air-conditioning heat exchanger |
| CN102235779B (en) * | 2011-07-19 | 2013-07-24 | 海信科龙电器股份有限公司 | Air-conditioning heat exchanger |
| CN105020878A (en) * | 2014-04-17 | 2015-11-04 | 广东美的集团芜湖制冷设备有限公司 | Multi-row heat exchanger and air conditioner |
| CN108797048A (en) * | 2017-05-02 | 2018-11-13 | 青岛海尔洗衣机有限公司 | A kind of heat pump system and clothesdrier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204718198U (en) | A kind of high-performance parallel-flow evaporator | |
| CN102748903B (en) | Heat exchanger and flat heat exchange tube thereof | |
| CN111336841A (en) | A wrap-around microchannel heat exchanger | |
| WO2018040037A1 (en) | Micro-channel heat exchanger and air-cooled refrigerator | |
| WO2018040036A1 (en) | Micro-channel heat exchanger and air-cooled refrigerator | |
| CN210345837U (en) | A multi-process heat exchange device and heat pump system | |
| CN108917006B (en) | Wall-mounted air conditioner indoor unit and wall-mounted air conditioner | |
| CN107763833B (en) | Indoor heat exchanger, air conditioner indoor unit and air conditioner | |
| CN1936484A (en) | Efficient skew-inserted air-cooling-tube finned heat exchanger | |
| CN110762609B (en) | Air conditioner indoor unit, air conditioner | |
| CN209877163U (en) | Radiation convection type heat exchanger and air conditioner with same | |
| CN114646152A (en) | Heat exchanger and air conditioner | |
| WO2018040035A1 (en) | Micro-channel heat exchanger and air-cooled refrigerator | |
| CN218884117U (en) | Indoor machine of air conditioner | |
| CN207438860U (en) | Indoor heat exchanger, air conditioner indoor unit and air conditioner | |
| CN107843029B (en) | Indoor heat exchanger, air conditioner indoor unit and air conditioner | |
| CN201764755U (en) | Heat exchanger for air conditioner and air conditioner | |
| CN210951541U (en) | Indoor unit of air conditioner and air conditioner | |
| US20230228466A1 (en) | Condenser, air conditioner outdoor unit, and air-conditioning system | |
| CN212299551U (en) | Heat exchanger and air conditioning system | |
| CN210689328U (en) | Symmetrical arc-shaped window finned tube structure | |
| WO2018040034A1 (en) | Micro-channel heat exchanger and air-cooled refrigerator | |
| CN112066601A (en) | Heat exchanger and air conditioning system | |
| CN216282901U (en) | Heat exchanger and air conditioner | |
| CN216954150U (en) | Non-equidistant finned heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |