CN101696861B - Heat exchanger and wing band structure thereof - Google Patents
Heat exchanger and wing band structure thereof Download PDFInfo
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- CN101696861B CN101696861B CN2009100707276A CN200910070727A CN101696861B CN 101696861 B CN101696861 B CN 101696861B CN 2009100707276 A CN2009100707276 A CN 2009100707276A CN 200910070727 A CN200910070727 A CN 200910070727A CN 101696861 B CN101696861 B CN 101696861B
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Abstract
The invention relates to a heat exchanger and a wing band structure thereof, relating to a wing band structure of a fine passage heat exchanger in the field of air conditioners. In the heat exchanger, flat heat-exchanging pipes for refrigerant to pass are arranged between two liquid-collecting pipes, and a wing band is arranged between the flat heat-exchanging pipes, wherein a shutter section is arranged at the flat straight section of the wing band and comprises a first shutter section and a second shutter section; the first shutter section is provided with a preset number of first windows which are provided with openings opposite to an air-flowing direction; and the second shutter section is provided with a preset number of second windows which are provided with openings facing to the air-flowing direction. The heat exchanger adopting the wing band structure is not only suitable for being used as a condenser on a single cooler, but also has an application scope extended to heat pumps, evaporators, and the like; and the wing band and the heat exchanger thereof can be used as common and general heat-exchanging elements of a condenser, a heat pump or an evaporator.
Description
Technical field
The invention belongs to field of air conditioning, relate to the wing band structure of fine channel heat exchanger, be applicable to domestic air conditioning, business air conditioner, central air-conditioning.
Background technology
The engineering background of micro-scale heat transfer problem comes from flowing and heat transfer problem in the microelectromechanical systems that occurs cooling and the nineties of the high-density electronic device eighties.Its feature is, after the yardstick miniaturization of room and time, occurred much with conventional yardstick under different physical phenomenons.Microchannel heat sink be industry always in the technology of research application, have report to point out: as far back as the eighties scientists notion of " microchannel heat sink " has just been proposed, along with development of technology, micro-channel is used for air-conditioner heat exchanger and is pursued by industry.
As 200710099602.7 1 kinds of micro-channel bands of disclosed Chinese patent aluminum pipe formula heat pump type air conditioner/machine heat exchanger, the notion of fine channel has also been described, this heat exchanger is made up of upper header, lower collector pipe, micro-channel aluminium strip pipe and fin.The present invention adopts the wave mode rib of plain film rib or band intake chute, and is in tilted layout along the windward side, is beneficial to the timely drainage of condensate or defrosting water.Micro-channel aluminium strip pipe adopts automatic solution dividing structure with being connected of upper and lower collector; Solve the cold-producing medium problem that the mobile inhomogeneous heat exchange area that causes is not fully utilized in each passage when heat exchanger is made evaporimeter, improved the efficiency of heat exchange effect and air-conditioner.This heat exchanger has simple in structure, and cost is low, and manufacturing process is simple, the characteristics that heat transfer characteristic is good.
Known technology is like disclosed one Chinese patent application 200810220786.2 micro-channel type heat exchangers; Comprise capillary; It is characterized in that being pressed on up and down between the two-layered steel plates by the bundle of capillary tubes that two and above capillary constitute; Two dividing bushing branches are located at the two ends of steel plate, adjacent capillary and the gap that surrounds jointly of two-layered steel plates and the dividing bushing of hollow communicate up and down.The present invention is pressed on capillary and steel plate together; Adopt capillary and steel plate to be superimposed as heat conducting element; With the capillary is refrigerant passage; Gap between capillary and the steel plate is heat exchange media channels such as water, is fin with the steel plate, and dividing bushing and coolant distributor are realized the even shunting of heat exchange medium and refrigerant respectively.
The fin of a kind of heat exchanger of and for example disclosed Chinese patent 200910133642.8 applications; Comprise flat segments, arc section and be connected flat segments and arc section between the arc transition section; And R is greater than R, and wherein R is the radius of said arc section, and R is the radius of said arc transition section.Fin according to the present invention at assembling and this fin transformation rule when being welded on the heat exchanger, distortion is easy to control, arranging density is even, shape stability is high, heat transfer coefficient is big.The present invention also proposes a kind of heat exchanger with above-mentioned fin, and the heat exchanger apparatus of being made up of a plurality of heat exchangers.
The heat exchanger of disclosed for another example Chinese patent 200910037621.6 a kind of special-shaped microchannels of application and exterior corrugated fin integration molding comprises groups of fins, upper cover plate, lower cover, side plate, air inlet and gas outlet; Groups of fins is formed by connecting a plurality of fin side by side, and fin is provided with corrugated fin for the sheet material both sides, and the middle part is a plurality of special-shaped microchannel structures, and corrugated fin and sheet material are one-body molded; Upper cover plate and lower cover are respectively equipped with the groove of placing fin, and adjacent two grooves of upper cover plate and lower cover are connected at interval, make refrigerant a plurality of fin of flowing through successively; Special-shaped microchannel is the square duct of length of side 0.8-1MM.The present invention utilizes micro channel technology, whole outer fin technology and need not to weld cold-producing medium high pressure sealing technology, is applicable to carbon dioxide refrigerating system, has solved the problem of its system high pressure operation effectively.Full aluminium composite material is adopted in this invention.
The technology of convention is owing to wing band structure, and the wing belt surface condensate draining of heat exchanger is not smooth, is prone to freeze, thereby can only on single cooler, makes condenser and use.
Industry is demanded a kind of heat exchanger urgently can not only be applicable to condenser, can also be applicable to that heat pump, evaporimeter etc. are widely on the air-conditioning equipment.
Summary of the invention
Problem to be solved by this invention is to overcome the above-mentioned defective that aforementioned techniques exists, and makes in the heat exchanger condensate draining heat exchanger and wing band structure thereof more smoothly and provide a kind of through the improvement structure of windowing.
This case technical solution problem takes following technical scheme to realize; The wing band structure of a kind of heat exchanger that provides according to this case; Comprise the crest district portion of wing band, straight section portion, trough district portion, wherein: the straight section of said wing band portion is provided with shutter district portion, and this shutter district portion is made up of the first blinds district portion and the second blinds district portion; First of the preset number of this first blinds district portion configuration is windowed, and this first is windowed and all set window along the mobile opposite direction of air; Second of the preset number of second blinds district portion configuration is windowed this, and second to window all be to set window in face of air-flow direction;
This case technical solution problem can also take following technical scheme further to realize:
The wing band structure of aforesaid heat exchanger, wherein: leave the 3rd preset spacing between first, second blinds district portion.
The wing band structure of aforesaid heat exchanger, wherein: described first windows forms the first preset louver angle by first window plate and the first straight section portion substrate; Described second window plate and the second straight section portion substrate forms the second preset louver angle, and the first louver angle setting is less than second louver angle;
The wing band structure of aforesaid heat exchanger, wherein: first louver angle is set in the 21-30 degree scope; This second louver angle is set in the 30-40 degree scope;
The wing band structure of aforesaid heat exchanger, wherein: said first plate of windowing is to set window along the opposite direction that air flows, the first structure configuration of plate of windowing can make air be inclined upwardly mobile along windowing along air-flow direction, each first structure of windowing is identical;
The wing band structure of aforesaid heat exchanger, wherein: said second plate of windowing is to set window in face of air-flow direction, second window plate with can make air along air-flow direction along the downward-sloping mobile structure configuration of windowing, each second structure of windowing is identical.
The wing band structure of aforesaid heat exchanger, wherein: the first preset number of windowing of the said first blinds district portion is less than the second preset number of windowing of the second blinds district portion;
The wing band structure of aforesaid heat exchanger, wherein: first the window ratio of number of number and second of windowing is 1/3～2/3.
The wing band structure of aforesaid heat exchanger, wherein: two adjacent first distances of windowing are set are called the first preset spacing fp that windows and are made as 0.8～1.0mm;
The wing band structure of aforesaid heat exchanger, wherein: two adjacent second distances of windowing are set are called the second preset spacing FP that windows and are made as 1.0～1.5mm;
Heat exchanger with aforementioned arbitrary wing band structure comprises first collector tube, second collector tube, and wherein, device has the flat heat exchange tube that the appearance cold-producing medium passes through between these two collector tubes, and the wing belting is between flat heat exchange tube;
Aforesaid heat exchanger, wherein, first of the said wing band rightabout that is set to along air-flow direction of windowing sets window, forms to hold the structure that air upwards flows along the inclined plane of windowing along air-flow direction; Second windows is set to set window along air-flow direction, forms to hold air along the downward-sloping mobile structure of air-flow direction.
Aforesaid heat exchanger; Wherein, First of the said first blinds district portion windows and is made up of first plate and first first ventilation window that forms between the plate and the first straight section portion substrate of windowing of windowing, and second of the said second blinds district portion windows and is made up of second plate and second second ventilation window that forms between the plate and the second straight section portion substrate of windowing of windowing.
Aforesaid heat exchanger, wherein, described first windows forms the first preset louver angle by first window plate and the first straight section portion substrate; Described second window plate and the second straight section portion substrate forms the second preset louver angle, and the first louver angle setting is less than second louver angle
Aforementioned heat exchanger, wherein, first louver angle is set to any of 21 degree or 26 degree or 30 degree;
Aforementioned heat exchanger, wherein, second louver angle is set to any of 30 degree or 38 degree or 40 degree;
Aforementioned heat exchanger, wherein, the length setting of the second blinds district portion is greater than the length of the first blinds district portion;
Aforesaid heat exchanger, wherein, shutter district portion windows by the compression moulding of aluminium wing band plate material one;
Aforesaid heat exchanger, wherein, said aluminium wing band plate material is aluminum or aluminum alloy materials.
The present invention compared with prior art has significant advantage and beneficial effect.
Can know that by above technical scheme the present invention has following advantage at least under the structure configuration of excellence:
This case is the important improvement to prior art; Particularly the structure of windowing of the full aluminium micro-channel heat exchanger wing band that industry knows is changed in this case; By the heat exchanger that this case wing band structure makes, no longer be only applicable to do on the single cooler condenser and use, the scope of application can expand to heat pump, evaporimeter etc.; Wildcard, general heat exchange element that wing band of constructing thus and heat exchanger thereof can be used as condenser, heat pump, evaporimeter; With this heat exchanger can be wider alternative known air-conditioner fin copper pipe formula heat exchanger, further save air-conditioning cost, alleviate the weight of air-conditioner, further reduce production costs; This case is skillfully constructed, simple in structure, apply with industry especially.
The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is this case heat exchanger overall structure sketch map;
Fig. 1 a is the side-looking face structural representation of Fig. 1;
Fig. 2 is the D-D sectional plane organigram of Fig. 1;
Fig. 2 a is the D-D sectional plane organigram (another embodiment) of Fig. 1;
Fig. 3 is the structural representation that has the wave wing band of shutter in this case;
Fig. 4 is the wing strap segment structure sketch map that has shutter in this case;
Fig. 4 a is Fig. 4 A-A sectional plane structure enlarged diagram;
Fig. 5 is the structural representation of known technology wing band;
Fig. 5 a is A '-A ' sectional plane organigram of Fig. 5;
Fig. 6 is window several ratios and a coefficient of heat transfer graph of a relation of this case shutter district portion;
Fig. 7 is the window graph of a relation of several ratios and unit flow weight of this case shutter district portion.
The specific embodiment
Below in conjunction with preferred embodiment, to according to the specific embodiment provided by the invention, characteristic and effect thereof, specify as after; For simple and purpose clearly, the omission that hereinafter is appropriate the description of known technology, in order to avoid those unnecessary details influences are to the description of present technique scheme.
Shown in Fig. 1-7; A kind of wing band structure of heat exchanger and heat exchanger thereof; Comprise first collector tube 1, second collector tube 2 and device between these two collector tubes, hold flat heat exchange tube 3 and the wing band 4 of device between flat heat exchange tube that cold-producing medium passes through, said wing band process have crest district portion 41, fluxion structures that straight section portion 43, trough district portion 42 form continuously; What each straight section portion of said wing band all was provided for ventilating windows 4311,4312; Form shutter district portion 431 structures, like Fig. 1,2, shown in 3, wherein; The two ends of said flat heat exchange tube 3 can be provided with the frock reducing, so that cooperate more tight in the flat heat exchange tube insertion collector tube;
Shutter district portion 431 is made up of the first blinds district portion 4311 and the second blinds district portion 4312, and first of the preset number of this first blinds district portion configuration windows 43111; Second of the preset number of second blinds district portion configuration windows 43121;
Because of condensed water is mainly discharged by second windowing of the second blinds district portion 4312, so the length L 1 that the length L 2 of the second blinds district portion 4312 is provided with greater than the first blinds district portion 4311 more helps the discharge of condensed water thus;
The first preset number of windowing of the first blinds district portion 4311 is less than the second preset number of windowing of the second blinds district portion 4312; First the window ratio of number of number and second of windowing is 1/3～2/3,
Two adjacent first 43111 the distances of windowing are set to be called the first preset spacing fp that windows and to be made as 0.8～1.0mm;
Two adjacent second 43121 the distances of windowing are set to be called the second preset spacing FP that windows and to be made as 1.0～1.5mm;
The first preset spacing fp that windows is set is less than or equal to the second preset spacing FP that windows, can improve the coefficient of heat transfer;
Fig. 6, Fig. 7 are to being f, the situation when wind speed is 1.2m/s at head-on wind;
Through the relation of the window several ratios and the unit are coefficient of heat transfer shown in Figure 6, but the long-pending coefficient of heat transfer variation tendency of notice of invitation plane; The first blinds district portion that explains preset first window 43111 (to uplifting windows) and the second blinds district portion preset second window the number of 43121 (to dropping windows) than greater than 1/3 o'clock, the trend that the unit are coefficient of heat transfer increases is obvious;
Relation through window several ratios and unit flow weight shown in Figure 7; Can know weight change trend in the residual unit flow of fin surface; The first blinds district portion that explains preset first window 43111 (to uplifting windows) and the second blinds district portion preset second window the number of 43121 (to dropping windows) than less than 2/3 o'clock; It is bigger that unit flow weight reduces trend, so the windowing number is than more being prone to discharge less than 2/3 o'clock condensed water;
Heat transfer has heat conduction, convection current, three kinds of modes of radiation, and two kinds of heat transfer types of heat conduction and convection current are arranged on the general heat exchanger, and therefore the said here coefficient of heat transfer is meant the integrated heat transfer coefficient of heat conduction and convection current, and unit is (kcal/m
2H ℃).
To sum up, the first blinds district portion preset first window 43111 (to uplifting windows) and the second blinds district portion preset second window the number of 43121 (to dropping windows) than at 1/3～2/3 o'clock, the drainage of the unit are coefficient of heat transfer and fin the best;
Further,
Several first 43,111 first blinds district portions 4311 of constituting of windowing dispose with several second 43,121 second blinds district portions 4312 of constituting of windowing relatively; Promptly first window and 43111 be set to set window along the rightabout of air-flow direction (relative first window 43111 for back side wind direction f); Form the structure (being called for short to uplifting window) that holds air and upwards flow along the inclined plane of windowing along air-flow direction, promptly this is windowed and can make air be inclined upwardly mobile along windowing along air-flow direction;
On the contrary; Second window 43121 be set to along air-flow direction (relative second window 43121 for head-on wind to f) set window; Form and hold air along the downward-sloping mobile structure of air-flow direction (abbreviation) to dropping window; Promptly this is windowed and can make air downward-sloping mobile along windowing along air-flow direction, forms the 43121 relative structures that dispose of windowing of the 43111 and second blinds district portion 4312 of windowing of the first blinds district portion 4311 thus;
Leave the 3rd preset spacing c between first, second blinds district portion, this will not give unnecessary details for any means known;
First of the said first blinds district portion windows and 43111 is made up of first plate 43111a and the first first ventilation window 43111b that forms between the plate and the first straight section portion substrate 43110 that windows that windows; This is windowed and can offer through general technology, does not repeat them here;
Described first window plate 43111a and the first straight section portion substrate 43110 forms the first preset louver angle a; The said first plate 43111a that windows sets window along the flow opposite direction of f of air; First plate of windowing is inclined upwardly along windowing the structure configuration can make air mobile along air-flow direction, and this first louver angle can be set to 26 degree; Each first window the structure identical.
Second of the said second blinds district portion windows and 43121 is made up of second plate 43121a and the second second ventilation window 43121b that forms between the plate and the second straight section portion substrate 431210 that windows that windows; This is windowed and can offer through general technology, does not repeat them here;
Described second window plate 43121a and the second straight section portion substrate 431210 forms the second preset louver angle A; The said second plate 43121a that windows sets window in face of air-flow direction f; Second window plate with can make air along air-flow direction along the downward-sloping mobile structure configuration of windowing, this second louver angle can be set to 38 degree; Each second window the structure identical.
Said shutter district portion windows by the compression moulding of wing band plate material one;
Behind whole parts assembled formations of said heat exchanger, put into welding fabrication of soldering oven.The wing band structure of this case heat exchanger can impel very fast the excreting out of condensed water of heat exchanger surface effectively, prevents heat exchange surface because of the generation of the smooth phenomenon of not freezing of condensate draining, thereby improves heat exchange efficiency greatly.
This case also proposes a kind of heat exchanger with above-mentioned wing band structure.
This case is the important improvement to prior art; Particularly the structure of windowing of the full aluminium micro-channel heat exchanger wing band that industry knows is changed in this case; By the heat exchanger that this case wing band structure makes, no longer be only applicable to do on the single cooler condenser and use, the scope of application can expand to heat pump, evaporimeter etc.; Wildcard, general heat exchange element that wing band of constructing thus and heat exchanger thereof can be used as condenser, heat pump, evaporimeter; With this heat exchanger can be wider alternative known air-conditioner fin copper pipe formula heat exchanger, further save air-conditioning cost, alleviate the weight of air-conditioner, further reduce production costs; This case is skillfully constructed, simple in structure, apply with industry especially.4 ' expression wing band among Fig. 5, the blinds district portion of 4311 ' wing band.
After the preferred embodiment that specifies, be familiar with this technological personage and can clearly understand, do not break away from following claim with spiritual under can carry out various variations and modification, and the present invention also is not subject to the embodiment of the embodiment that lifts in the specification.
Claims (13)
1. the wing band structure of a heat exchanger; The crest district portion (41), straight section portion (43), the trough district portion (42) that comprise the wing band; It is characterized in that: the straight section of said wing band portion is provided with shutter district portion (431); This shutter district portion is made up of the first blinds district portion (4311) and the second blinds district portion (4312), and first of the preset number of this first blinds district portion configuration is windowed (43111), and this first is windowed and all set window along the mobile opposite direction of air; Second of the preset number of second blinds district portion configuration window (43121) this second to window all be to set window in face of air-flow direction; Leave the 3rd preset spacing between first, second blinds district portion;
The first preset number of windowing of the said first blinds district portion (4311) is less than the second preset number of windowing of the second blinds district portion (4312); This first window ratio of number of number and second of windowing is 1/3～2/3.
2. the wing band structure of heat exchanger as claimed in claim 1 is characterized in that: described first window (43111) forms first louver angle of presetting by first plate (43111a) of windowing with first straight section portion's substrate (43110); Described second window (43121) forms second louver angle of presetting by second window plate (43121a) and the second straight section portion's substrate (431210), this first louver angle is set in the 21-30 degree scope; This second louver angle is set in the 30-40 degree scope, and the first louver angle setting is less than second louver angle.
3. the wing band structure of heat exchanger as claimed in claim 2; It is characterized in that: said first plate (43111a) of windowing is to set window along the opposite direction that air flows; First plate of windowing is inclined upwardly along windowing the structure configuration can make air mobile along air-flow direction, and each first structure of windowing is identical; Said second plate (43121a) of windowing sets window in face of air-flow direction, second window plate with can make air along air-flow direction along the downward-sloping mobile structure configuration of windowing, each second structure of windowing is identical.
4. the wing band structure of heat exchanger as claimed in claim 2 is characterized in that: first louver angle is set to any of 21 degree or 26 degree or 30 degree.
5. the wing band structure of heat exchanger as claimed in claim 3 is characterized in that: first louver angle is set to any of 21 degree or 26 degree or 30 degree.
6. the wing band structure of heat exchanger as claimed in claim 2 is characterized in that: second louver angle is set to any of 30 degree or 38 degree or 40 degree.
7. the wing band structure of heat exchanger as claimed in claim 3 is characterized in that: second louver angle is set to any of 30 degree or 38 degree or 40 degree.
8. like the wing band structure of one of claim 1-7 described heat exchanger, it is characterized in that: two adjacent first distances of windowing (43111) are called the first preset spacing (fp) of windowing and are made as 0.8～1.0mm.
9. like the wing band structure of one of claim 1-7 described heat exchanger, it is characterized in that: two adjacent second distances of windowing (43121) are called the second preset spacing (FP) of windowing and are made as 1.0～1.5mm.
10. heat exchanger with one of claim 1-9 wing band structure; Comprise first collector tube (1), second collector tube (2); It is characterized in that be arranged on to have between these two collector tubes and hold the flat heat exchange tube (3) that cold-producing medium passes through, wing band (4) is arranged between the flat heat exchange tube.
11. the heat exchanger with wing band structure like claim 10 is characterized in that: said shutter district portion windows by the compression moulding of aluminium wing band plate material one.
12. the heat exchanger with wing band structure like claim 11 is characterized in that: the length setting of the second blinds district portion (4312) is greater than the length of the first blinds district portion (4311).
13. the heat exchanger with wing band structure like claim 12 is characterized in that: said aluminium wing band plate material is aluminum or aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100707276A CN101696861B (en) | 2009-09-30 | 2009-09-30 | Heat exchanger and wing band structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100707276A CN101696861B (en) | 2009-09-30 | 2009-09-30 | Heat exchanger and wing band structure thereof |
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| Publication Number | Publication Date |
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| CN101696861A CN101696861A (en) | 2010-04-21 |
| CN101696861B true CN101696861B (en) | 2012-05-30 |
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| CN104807360B (en) * | 2014-01-26 | 2018-10-19 | 杭州三花研究院有限公司 | Fin, the micro-channel heat exchanger with the fin and its application |
| KR102203435B1 (en) * | 2014-07-17 | 2021-01-14 | 엘지전자 주식회사 | Heat Exchanger and Heat Pump having the same |
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