CN101984310A - Parallel flow evaporator - Google Patents
Parallel flow evaporator Download PDFInfo
- Publication number
- CN101984310A CN101984310A CN 201010544344 CN201010544344A CN101984310A CN 101984310 A CN101984310 A CN 101984310A CN 201010544344 CN201010544344 CN 201010544344 CN 201010544344 A CN201010544344 A CN 201010544344A CN 101984310 A CN101984310 A CN 101984310A
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- parallel
- conduit
- flat tube
- flow evaporator
- collector
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Abstract
The invention discloses a parallel flow evaporator which comprises flat pipes between a first header pipe and a second header pipe and fins among the flat pipes. Inner channels are formed in each flat pipe, and more than one groove is formed on the side surface between two adjacent internal channels of the flat pipe. The positions of the grooves are staggered with the positions of the inner channels. The direction of the grooves is parallel with the axial direction of the inner channels. The adjacent grooves on the same side surface of the flat pipe are mutually communicated. The adjacent grooves on the same side surface of the flat pipe are not communicated with each other. The section of the groove is triangle, rhombus, round, ellipse or rectangle, or the combination of more than two of triangle, rhombus, round, ellipse and rectangle. The parallel flow evaporator also comprises an inlet pipe and an outlet pipe which are arranged on the first header pipe or the second header pipe. The invention has the characteristics of flexible operation, low manufacturing cost, easy discharge of condensed water, good heat exchange effect and wide application range.
Description
Technical field
The present invention relates to a kind of evaporimeter, particularly a kind of parallel-flow evaporator.
Background technology
The finned evaporimeters of round copper pipe cover aluminium that use at present traditional air-conditioning system more.When using the parallel-flow evaporator of full aluminum, because the special construction of this kind evaporimeter makes the condensed water impeded drainage, condensed water forms moisture film or water bridge at evaporator surface, has reduced the heat exchange efficiency of evaporimeter.One of impeded drainage subject matter that to be parallel-flow evaporator run in air-conditioning system is used.Common solution is to increase the structure of hydrophilic coating or improvement fin to increase the condensed water discharge capacity to evaporimeter at present.The effect of these two kinds of schemes is very limited at present, hydrophilic coating tends to be seriously damaged in parallel-flow evaporator manufacturing welding process and does not have useful effect, fin structure improved often relating to mould with high costs and transform problem, also very limited to the enhancing of drainage effect.
Chinese patent literature CN101782347A discloses a kind of heat exchanger and fin thereof on 01 19th, 2009, between flat tube, adopted the fin of special construction, it is wavy that this fin is substantially, be provided with some breach at crest or trough position, crest or trough are divided into plurality of sections, the condensed water that heat transfer process produces can circulate along breach, has increased displacement.But the breach that this scheme is opened on fin does not form continuous passage, and only relies on the drainage of condensed water self gravitation, and therefore, drainage effect is not ideal enough.
Summary of the invention
Purpose of the present invention aim to provide a kind of simple and reasonable, flexible operation, cost of manufacture low, be easy to discharge condensed water, good effect of heat exchange, parallel-flow evaporator applied widely, to overcome weak point of the prior art.
A kind of parallel-flow evaporator by this purpose design, comprise the flat tube that is arranged between first collector and second collector, be arranged on the fin between the flat tube, be provided with internal channel in the flat tube, its architectural feature is that the side between adjacent two internal channels of flat tube is provided with more than one conduit.
The setting of staggering mutually of described conduit position and internal channel position.
The direction of described conduit is parallel with the axis direction of internal channel.
The adjacent conduit of the same side of described flat tube is interconnected.
The adjacent conduit of the same side of described flat tube is not connected.
The cross section of described conduit is triangle, rhombus, circle, ellipse or rectangle; Perhaps, the cross section of conduit is any combination more than two kinds in triangle, rhombus, circle, ellipse and the rectangle.
Equivalent diameter≤the 1mm of the cross section of described conduit.
Described parallel-flow evaporator also comprises inlet tube and outlet, and inlet tube and outlet are arranged on first collector or second collector.
Be provided with the collector dividing plate that is used to divide flow process in described first collector or second collector.
The side of the present invention between adjacent two internal channels of flat tube is provided with more than one conduit, because the flow area of conduit is more tiny, can form capillary channel, so the condensed water that produces in the time of can relying on capillary force and gravity with the parallel-flow evaporator heat exchange is in time drained, thereby improve the heat exchange effect, improve the Energy Efficiency Ratio of parallel-flow evaporator, strengthen the advantage that parallel-flow evaporator is used in air-conditioning system.
The layout of the conduit among the present invention wants to play the effect of drainage condensed water, and conduit generally is designed to be arranged in parallel along the axis direction of internal channel, according to the wall thickness situation of flat tube, can be communicated with also not UNICOM between the adjacent conduit.The geometry of the cross section of conduit will help forming capillary channel, and its interior angle should adopt acute angle or long and narrow geometry as far as possible.
Conduit among the present invention generally is arranged to a series of parallel construction along the axis direction of internal channel, and come with internal channel is interlaced, avoid owing to cut the tube wall of flat tube when offering conduit, when the tube wall of flat tube is enough thick, also the conduit of the same side of flat tube can be communicated with and reticulates so that condensed water is easier to discharge.
Inlet tube among the present invention and outlet can be arranged on first collector or second collector according to the design needs; Certainly, carry out flow process when adjusting at evaporimeter, also can be according to the design needs, and they are arranged in the appropriate location of these two collectors; Thereby has stronger flexibility.
That the present invention has is simple and reasonable, flexible operation, cost of manufacture are low, be easy to discharge condensed water, good effect of heat exchange and advantage of wide range of application.
Description of drawings
Fig. 1 is the first embodiment of the invention structural representation.
Fig. 2 for the A-A among Fig. 1 to analysing and observe the structure for amplifying schematic diagram.
Fig. 3 is the perspective view of single flat tube.
Fig. 4 is the flat tube structure for amplifying schematic diagram among second embodiment.
Fig. 5 is the flat tube structure for amplifying schematic diagram among the 3rd embodiment.
Fig. 6 is the flat tube structure for amplifying schematic diagram among the 4th embodiment.
Fig. 7 is the flat tube structure for amplifying schematic diagram among the 5th embodiment.
Fig. 8 is the flat tube structure for amplifying schematic diagram among the 6th embodiment.
Fig. 9 is the flat tube structure for amplifying schematic diagram among the 7th embodiment.
Among the figure: 1 is inlet tube, and 2 is first collector, and 3 is flat tube, and 4 is fin, and 5 is second collector, and 6 is outlet, and 7 is dividing plate, and 31 is internal channel, and 32 is conduit.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1-Fig. 9, this parallel-flow evaporator comprises the flat tube 3 that is arranged between first collector 2 and second collector 5, is arranged on the fin 4 between the flat tube 3, be provided with internal channel 31 in the flat tube 3, the side between adjacent two internal channels 31 of flat tube 3 is provided with more than one conduit 32.Parallel-flow evaporator also comprises inlet tube 1 and outlet 6, and inlet tube 1 and outlet 6 are arranged on first collector 2 or on second collector 5.When evaporimeter carries out the flow process adjustment, also can as required they be arranged in the appropriate location of these two collectors.Be provided with the collector dividing plate 7 that is used to divide flow process in first collector 2 or second collector 5.Provided among the figure inlet tube 1 and outlet 6 have been arranged on first collector 2 simultaneously, and the concrete structure that in first collector 2, is provided with the collector dividing plate 7 that is used to divide flow process.
Wherein, conduit 32 positions and the internal channel 31 positions setting of staggering mutually; The direction of conduit 32 is parallel with the axis direction of internal channel 31.Reach the pipe thickness situation as required, the adjacent conduit 32 of the same side of flat tube 3 is interconnected; Perhaps, the adjacent conduit 32 of the same side of flat tube 3 is not connected.
When the flow direction of conduit 32 is parallel to internal channel 31 directions of flat tube 3, conduit 32 interlaced arrangement are in the appropriate location of the two sides of flat tube 3, and be arranged on the position of the side between the internal channel 31 of two flat tubes 3, so just reduced the intensity of flat tube 3 and the adverse effect of heat exchange thermal resistance as far as possible.
The cross section of conduit 32 is a triangle, sees Fig. 2 and Fig. 5; Perhaps, the cross section of conduit 32 is a rhombus, sees Fig. 7; Perhaps, the cross section of conduit 32 is circular; Perhaps, the cross section of conduit 32 is oval, sees Fig. 8; Perhaps, the cross section of conduit 32 is a rectangle, sees Fig. 6.Perhaps, the cross section of conduit 32 is any combination more than two kinds in triangle, rhombus, circle, ellipse and the rectangle, sees Fig. 9.
The big I of equivalent diameter of the cross section of the conduit 32 of flat tube 3 is decided according to the size of the internal channel 31 of flat tube 3 and the pipe wall thickness size of flat tube 3, generally, and the equivalent diameter≤1mm of the cross section of conduit 32.
In Fig. 3, can clearly find out, be positioned at the deployment scenarios of conduit of the side of flat tube 3.Because the two ends of flat tube 3 will be inserted in first collector 2 and second collector 5, so conduit 32 is shorter than the length of flat tube 3 at length direction, also should keep suitable distance apart from two end faces of flat tube 3, flow out along conduit 32 to prevent cold-producing medium.On overall structure, owing to formed a long and narrow and tiny continuous passage, therefore be easy to form a continuous capillary channel in the side of flat tube 3, can rely on capillary force and gravity to come the drainage condensed water simultaneously, thereby strengthen the heat exchange efficiency of evaporimeter.
Under the situation of structure and performance permission, the quantity of the side wall surface conduit 32 of the flat tube among the present invention also can be decided as the case may be, even also can be communicated with the netted conduit of formation between adjacent conduit.Certainly, these improvement and variation also fall within protection scope of the present invention.
Claims (9)
1. parallel-flow evaporator, comprise the flat tube (3) that is arranged between first collector (2) and second collector (5), be arranged on the fin (4) between the flat tube (3), be provided with internal channel (31) in the flat tube (3), it is characterized in that the side between adjacent two internal channels (31) of flat tube (3) is provided with more than one conduit (32).
2. parallel-flow evaporator according to claim 1 is characterized in that the setting of staggering mutually of described conduit (32) position and internal channel (31) position.
3. parallel-flow evaporator according to claim 2 is characterized in that the direction of described conduit (32) is parallel with the axis direction of internal channel (31).
4. parallel-flow evaporator according to claim 3 is characterized in that the adjacent conduit (32) of the same side of described flat tube (3) is interconnected.
5. parallel-flow evaporator according to claim 3 is characterized in that the adjacent conduit (32) of same side of described flat tube (3) is not connected.
6. according to the arbitrary described parallel-flow evaporator of claim 1 to 5, the cross section that it is characterized in that described conduit (32) is triangle, rhombus, circle, ellipse or rectangle; Perhaps, the cross section of conduit (32) is any combination more than two kinds in triangle, rhombus, circle, ellipse and the rectangle.
7. parallel-flow evaporator according to claim 6 is characterized in that the equivalent diameter≤1mm of the cross section of described conduit (32).
8. parallel-flow evaporator according to claim 7 is characterized in that described parallel-flow evaporator also comprises inlet tube (1) and outlet (6), and inlet tube (1) and outlet (6) are arranged on first collector (2) or second collector (5).
9. parallel-flow evaporator according to claim 8 is characterized in that being provided with in described first collector (2) or second collector (5) the collector dividing plate (7) that is used to divide flow process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010544344 CN101984310A (en) | 2010-11-05 | 2010-11-05 | Parallel flow evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010544344 CN101984310A (en) | 2010-11-05 | 2010-11-05 | Parallel flow evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101984310A true CN101984310A (en) | 2011-03-09 |
Family
ID=43641480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010544344 Pending CN101984310A (en) | 2010-11-05 | 2010-11-05 | Parallel flow evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101984310A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697638A (en) * | 2013-11-25 | 2014-04-02 | 江苏炳凯富汽车零部件制造有限公司 | Fin falling prevention type parallel flow condenser |
| CN103913019A (en) * | 2014-01-18 | 2014-07-09 | 胡洁 | High-performance micro-channel heat exchanger for refrigerating system |
| CN104776540A (en) * | 2015-04-23 | 2015-07-15 | 佛山市南海科日超声电子有限公司 | Atomization humidifier with novel structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234658U (en) * | 1985-08-09 | 1987-02-28 | ||
| JPS6234670U (en) * | 1985-08-20 | 1987-02-28 | ||
| CN1467343A (en) * | 2002-11-28 | 2004-01-14 | 任再永 | Horizontal drainage board |
| CN1536318A (en) * | 2003-04-11 | 2004-10-13 | 乐金电子(天津)电器有限公司 | Water-dis charging device for heat exchanger |
| CN1704699A (en) * | 2004-06-02 | 2005-12-07 | 陈苏红 | Automobile air-conditioner multilayer parallel cascade type evaporator |
| CN101050931A (en) * | 2007-04-06 | 2007-10-10 | 豫新航空环控设备有限公司 | Flat tube for air conditioner |
| CN101149195A (en) * | 2007-11-14 | 2008-03-26 | 上海精励汽车科技有限公司 | Parallel-flow evaporator for automobile air conditioner |
| CN101178273A (en) * | 2006-11-09 | 2008-05-14 | 浙江三花制冷集团有限公司 | Parallel flow type heat converter |
| CN101995172A (en) * | 2010-11-02 | 2011-03-30 | 金龙精密铜管集团股份有限公司 | Micro-channel heat exchanger and equipment using same |
-
2010
- 2010-11-05 CN CN 201010544344 patent/CN101984310A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234658U (en) * | 1985-08-09 | 1987-02-28 | ||
| JPS6234670U (en) * | 1985-08-20 | 1987-02-28 | ||
| CN1467343A (en) * | 2002-11-28 | 2004-01-14 | 任再永 | Horizontal drainage board |
| CN1536318A (en) * | 2003-04-11 | 2004-10-13 | 乐金电子(天津)电器有限公司 | Water-dis charging device for heat exchanger |
| CN1704699A (en) * | 2004-06-02 | 2005-12-07 | 陈苏红 | Automobile air-conditioner multilayer parallel cascade type evaporator |
| CN101178273A (en) * | 2006-11-09 | 2008-05-14 | 浙江三花制冷集团有限公司 | Parallel flow type heat converter |
| CN101050931A (en) * | 2007-04-06 | 2007-10-10 | 豫新航空环控设备有限公司 | Flat tube for air conditioner |
| CN101149195A (en) * | 2007-11-14 | 2008-03-26 | 上海精励汽车科技有限公司 | Parallel-flow evaporator for automobile air conditioner |
| CN101995172A (en) * | 2010-11-02 | 2011-03-30 | 金龙精密铜管集团股份有限公司 | Micro-channel heat exchanger and equipment using same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697638A (en) * | 2013-11-25 | 2014-04-02 | 江苏炳凯富汽车零部件制造有限公司 | Fin falling prevention type parallel flow condenser |
| CN103913019A (en) * | 2014-01-18 | 2014-07-09 | 胡洁 | High-performance micro-channel heat exchanger for refrigerating system |
| CN104776540A (en) * | 2015-04-23 | 2015-07-15 | 佛山市南海科日超声电子有限公司 | Atomization humidifier with novel structure |
| CN104776540B (en) * | 2015-04-23 | 2017-12-19 | 佛山市南海科日超声电子有限公司 | Atomizing humidifier with new structure |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110309 |