CN102062557B - Fin and condenser - Google Patents
Fin and condenser Download PDFInfo
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- CN102062557B CN102062557B CN2011100020942A CN201110002094A CN102062557B CN 102062557 B CN102062557 B CN 102062557B CN 2011100020942 A CN2011100020942 A CN 2011100020942A CN 201110002094 A CN201110002094 A CN 201110002094A CN 102062557 B CN102062557 B CN 102062557B
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Abstract
The invention relates to a fin belonging to a heat exchange member. The traditional fin has poor heat exchange effect and is inconvenient to manufacture. The fin disclosed in the invention extends in a wavy way to form a plurality of airflow gaps and is characterized in that the side walls of the airflow gaps are provided with a plurality of groups of kerfs, the edges of each group of kerfs, arranged at the airflow downstream, tilt from the surface of the side wall on which the group of the kerfs form an air opening facing upstream direction, a gap distance is maintained among the kerfs in the same group, and the size of the gas distance is 0.8-1.0 time of the width of the airflow gap. The fin is used for heat exchange between circulating airflow in a condensing cloth dryer and external airflow. When flowing in the airflow gaps, air flow rushes into the air openings to form branched airflow, the formed branched airflow exactly enters the adjacent airflow gaps to increase airflow disturbance and supplement airflow in the adjacent airflow gaps so as to avoid airflow loss and pressure reduction to the largest extent and increase the heat exchange coefficient; since the regular distribution of the kerfs on the fin is convenient to press and manufacture, the mechanical processing efficiency is greatly improved.
Description
The application is for dividing an application.The applying date of original application is on November 08th, 2006, and application number is 200610154554.2, and invention and created name is a kind of fin and condenser.
Technical field
The present invention relates to a kind of fin and condenser, be used for the exchange heat of condensing type laundry dryer circulating current and extraneous air-flow.Adopt the venetian blind type fin, on air-flow direction, effectively increased the air side coefficient of heat transfer, and increased the air side heat exchange area, thereby improved heat exchange efficiency.
Background technology
Publication number is that the application for a patent for invention prospectus of CN1637204A (application number is 200410104991.4) discloses the technical scheme of a kind of " dryer and condenser assembly thereof " by name, describes prerequisite structure of condenser and function thereof in this scheme in detail.In order to strengthen, be built-in with fin at the room air circulation passage, to increase heat exchange area in the exchange heat between circulating air inlet hole and the room air circulation passage (the heat exchange air channel that corresponding hereinafter of the present invention is addressed); This fin is wavy extension on the direction vertical with heat exchange air channel airflow direction, form some air-flows slit.Yet the sidewall in the air-flow slit of existing fin is continuous, room air is limited in each air-flow slit flows the heat exchange weak effect.And the technical scheme of and the relevant heat exchange fin that relate to disclosed like ZL03218964.8 Chinese invention patent specification (Granted publication number for CN2624158Y); Strengthened the effect of heat exchange from different angles; But these schemes are used for poling formula condenser and evaporimeter more; Being circulatory mediator (like various refrigerants) flows in the vertical poling of the heat exchange fin that laterally arranges with multi-disc; Room air can receive stopping of poling during fluid interchange between heat exchange fin, the pressure loss is bigger, and since the flow area of the circulation air path of this condenser and evaporimeter much smaller than the flow area in heat exchange air channel; Basically the requirement that equates with the flow area of the condenser heat exchanging air channel of above-mentioned dryer and circulation air path differs very big, so they are difficult to be applied on the condenser of dryer.In addition, existing fin, peak, the paddy of bridge shape bar chip architecture partly are the plane, and this kind structure needs punching out to form, and not only heat exchange efficiency is low, and simultaneously, inconvenience is made; And the structure of on fin, cracking individually then distributes in a jumble because of the slit, and same inconvenience is made.
Summary of the invention
The technical problem that the present invention will solve and the technical assignment of proposition are to overcome heat exchange weak effect, the inconvenient defective of making that prior art exists, and a kind of new fin and condenser are provided.For this reason, the present invention adopts following technical scheme:
A kind of fin is wavy some air-flows slit that extends to form, and it is characterized in that offering some groups of joint-cuttings on the sidewall in said air-flow slit, and the surface that every group of joint-cutting is positioned at edge perk sidewall in the place of airflow downstream forms the air port towards updrift side; Maintain kerf spacing between the joint-cutting on the same group, the size of this kerf spacing is 0.8-1.0 a times of air-flow slit.Can increase air agitation, the air side coefficient of heat transfer is increased, therefore improve heat exchange efficiency.
As the further of above-mentioned fin technical scheme improved and replenish, the present invention also comprises following additional technical feature:
Described fin is characterized in that: some groups of joint-cuttings on the same sidewall, the downstream edge of its part group joint-cutting are to a side perk of this sidewall, and the downstream edge of all the other group joint-cuttings is to the opposite side perk of this sidewall.Because vertical being interrupted arranged at air-flow direction, formed peeling off of fluid, increased air agitation, the air side coefficient of heat transfer is increased, therefore improved heat exchange efficiency.
Described fin is characterized in that: the downstream edge difference perk of facing two groups of joint-cuttings on the same sidewall mutually is in the both sides of this sidewall.Can change wind direction, increase air agitation, the air side coefficient of heat transfer is increased, therefore improve heat exchange efficiency.
Described fin is characterized in that: the angle on described airflow downstream edge perk surface of sidewall in the place is 15o-25o.Can make air-flow direction that vertical being interrupted arranged like this, form peeling off of fluid, increase air agitation, the air side coefficient of heat transfer is increased, therefore improve heat exchange efficiency.
Described fin is characterized in that: described joint-cutting is a linearity.Heat exchange area is big, and Uniform Ventilation improves heat exchange efficiency.
Described fin is characterized in that: the joint-cutting that faces mutually on the sidewall is corresponding, and the direction in the formed air port of corresponding joint-cutting is identical.Can make Uniform Ventilation like this, improve heat exchange efficiency.
Described fin is characterized in that: the quantity of every group of joint-cutting is 3-15.Adopt closeer fin to arrange,, improve heat exchange efficiency to increase the air side heat exchange area.
Described fin is characterized in that: the length of said joint-cutting is 0.6-1.0 times of said sidewall height.To increase the air side heat exchange area, improve heat exchange efficiency.
Described fin is characterized in that: the upstream edge that faces mutually with said downstream edge is to the perk of the downstream of the opposite side of sidewall.Can increase air agitation, the air side coefficient of heat transfer is increased, therefore improve heat exchange efficiency.
The technical scheme that condenser of the present invention adopted is:
A kind of condenser; Have a main body, this main body is provided with circulation air path interlaced with each other and heat exchange air channel, and described heat exchange air channel is built-in with fin; This fin is wavy extension on the direction vertical with heat exchange air channel airflow direction; Form some air-flows slit, it is characterized in that: offer some groups of joint-cuttings on the sidewall in said air-flow slit, the surface that every group of joint-cutting is positioned at edge perk sidewall in the place of airflow downstream forms the air port towards updrift side; Described main body comprises at least two board components; Each board component comprises two-layer panel, the Wavelike finned and two sections sealed piece for " ┏ ┓ " shape; Described fin extends to the edge and the end of two panels, and the crest of fin, trough are adhered between the two-layer panel, forms the air-flow slit on the described fin; Offer some groups of joint-cuttings on the sidewall in said air-flow slit; The surface that every group of joint-cutting is positioned at edge perk sidewall in the place of airflow downstream forms towards the air port of updrift side, maintains kerf spacing between the joint-cutting on the same group, the size of this kerf spacing be the air-flow gap width 0.8-1.0 doubly; The outer surface of the dual-side of said two sealed pieces is bonding with the end of two panels respectively, and the gap between described two-layer panel, fin and two sealed pieces forms described heat exchange air channel; Be provided with the edge sealing spare of cross section between the panel two edges of adjacent panel assembly for " ┏ ┓ " shape; And the outer surface of the dual-side of this edge sealing spare is bonding with the edge of the panel of corresponding board component, and said adjacent board component and the space that edge sealing spare surrounded between the face plate edge thereof form described circulation air path.
The invention has the beneficial effects as follows:
Through on the sidewall in the air-flow slit that forms on the fin, offering some groups of joint-cuttings; The surface that every group of joint-cutting is positioned at edge perk sidewall in the place of airflow downstream forms towards the air port of updrift side, thereby on fin, forms the structure of blind shaped, makes fin structurally form being interrupted of air current flow direction; When airflow passes air-flow slit, produce and peel off; Be air-flow when in the air-flow slit, flowing, pour the air port and form the branch, and the formation in this branch just get into the air-flow slit of facing mutually; Increased flow perturbation; Also the air-flow in the air-flow slit of facing is mutually replenished simultaneously, avoid the loss of air-flow and the reduction of pressure as far as possible, the coefficient of heat transfer of heat exchanger channels is increased.And because the regular distribution of joint-cutting on the fin is convenient to processing and manufacturing (like roller-type processing), machining efficient improves by a larger margin.
Description of drawings
Fig. 1: the assembly figure of condenser.
Fig. 2: the assembly figure of condenser bodies.
The vertical view of Fig. 3: Fig. 2.
The left view of Fig. 4: Fig. 2.
The A portion enlarged drawing of Fig. 5: Fig. 2.
Fig. 6: the structural representation of board component.
The vertical view of Fig. 7: Fig. 6.
The B portion enlarged drawing of Fig. 8: Fig. 2.
Fig. 9: the structural representation of lining.
The K-K of Figure 10: Fig. 9 is to view.
The E-E of Figure 11: Fig. 9 is to view.
Figure 12: the end view of edge sealing spare, sealed piece.
Figure 13: the sketch map that edge sealing spare, sealed piece and panel bond together.
Figure 14: the structural representation of front baffle.
Figure 15: the structural representation of afterframe.
Figure 16: the structural representation of sealing ring.
The C-C of Figure 17: Figure 16 is to sectional view.
Figure 18: the installation diagram of afterframe and sealing ring.
Figure 19: the internal structure sketch map of afterframe.
Figure 20: the end face direction sketch map of fin of the present invention.
The vertical view of Figure 21: Figure 20.
The enlarged drawing of Figure 22: Figure 20.
The Q-Q of Figure 23: Figure 22 is to cutaway view.
The right view of Figure 24: Figure 22.
The expansion enlarged drawing of Figure 25: Figure 21.
Figure 26: the joint-cutting distribution map on the fin of the present invention.
Among the figure: the 1-screw; The 2-handle; The 3-arch; The 4-front baffle; Sealing ring before the 5-; The 6-self-plugging rivet; The 7-front lining; The 8-main body; The 9-back bush; The 10-afterframe; Sealing ring behind the 11-; The 12-sealed piece; The 13-heat exchanger fin; 14-edge sealing spare; 15-heat exchange air channel; The 16-panel end; The 17-face plate edge; The 18-sealing strip; The 19-circulation air path; The 20-board component; The 21-panel; The 22-groove; The 23-glue layer; 24-sealed piece side; 25-edge sealing spare side; The 26-groove; 27-peak portion; 28-paddy portion; The 29-air port; 30-airflow downstream edge; The 31-upstream edge; The 32-joint-cutting; 33-air-flow slit; 34-air-flow slit sidewall; 35-afterframe bulge loop; The trapezoidal tooth of the 36-37-of portion annular groove; The 38-annular groove; The 39-sealing strip; 40-fit portion; 41-fit portion; 42-big envelope medial surface; 43-big envelope inner face; The convexity of 44-lining; S-air-flow gap width; D1-organizes spacing; The D2-kerf spacing; α-air port subtended angle; H-sidewall height; The L-slot length.
The specific embodiment
Below in conjunction with accompanying drawing, specify embodiment of the present invention:
Below with the relation between the relevant structure of one group of this fin of data declaration:
Air-flow gap width S=1.9mm, group space D 1=5mm, kerf spacing D2=1.8mm, air port subtended angle α=20 °, sidewall height H=10mm, slot length L=7.5mm.
Aforementioned fin; Can be through on thin aluminum sheet, offering some groups of joint-cuttings 32 shown in figure 26; These group joint-cuttings 32 are convenient to process laying respectively on its length direction on the same straight line; Respectively front and back are faced mutually afterwards and about the downstream edge of the joint-cutting that faces mutually respectively to the perk of the both sides of thin aluminum sheet, promptly form the different air port of opening direction shown in Figure 25 29, further; Be wavy some peak portions 27 and the paddy portion 28 of being bent to form back and forth along n-n position and direction thereof among Figure 26 (promptly with facing between the joint-cutting mutually), promptly form fin shown in Figure 22 in the joint-cutting vertical direction.And when the perk downstream edge, making the upstream edge that faces mutually with this downstream edge also can promptly form planform shown in Figure 23 to the downstream perk of the opposite side of thin aluminum sheet, arbitrary end in air-flow slit all can be used as the upper reaches in use.
Condenser as shown in Figure 1 comprises main body 8, front baffle 4, afterframe 10, preceding sealing ring 5, back sealing ring 11, front lining 7, back bush 9 and handle 2, wherein:
Main body 8 (referring to Fig. 2-5) by four board components 20 through three pairs of edge sealing spare 14 bonding forming: each board component 20 (referring to Fig. 6-8) is by two-layer panel 21, Wavelike finned 13 and two cross sections sealed piece 12 bonding the forming for " ┏ ┓ " shape: fin 13 is adhered between the two-layer panel 21 and extends to the edge 17 and end 16 of two panels 21; The outer surface of the dual-side 24 of two sealed pieces 12 is bonding with the end 16 of two panels 21 respectively, and the gap between two-layer panel 21, fin 13 and two sealed pieces 12 forms heat exchange air channel 15; Be provided with the edge sealing spare 14 of cross section between the panel two edges 17 of adjacent panel assembly for " ┏ ┓ " shape; And the outer surface of the dual-side 25 of this edge sealing spare 14 is bonding with the edge 17 of the panel of corresponding board component, and the space that adjacent board component 20 and the edge sealing spare 14 between the face plate edge 17 thereof are surrounded forms circulation air path 19.According to the property of condenser, when bonding, adopt high strength heatproof glue LG101.
In more detail; Shown in figure 12, the outer surface of the dual- side 24,25 of edge sealing spare 14 and sealed piece 12 is provided with two grooves 22,26, and these two grooves can make glue layer 23 become tortuous when bonding; Thereby prolong bonding plane (referring to Figure 13), strengthen sealing effectiveness.
Shown in figure 14; Front baffle 4 is a moulding, and has the die cavity fit portion 40 corresponding with main body, and the arranged outside of fit portion 40 has annular groove 37 on the former frame frame 4; And on the front baffle 4 dorsad an end of its fit portion 40 be provided with an arch 3, and 3 both sides, arch communicate with die cavity fit portion 40.
Like Figure 15, shown in 19, afterframe 10 is a moulding also, and has the die cavity fit portion 41 corresponding with main body, on the afterframe 10 dorsad an end of its fit portion 41 be provided with annular groove 38, die cavity fit portion 41 is communicated with an end that is provided with annular groove 38; The bottom surface of afterframe 10 fit portions 41 is provided with bulge loop 35.
Like Figure 16, shown in 17, preceding sealing ring 5, back sealing ring 11 are the rubber rings with spline structure, have the sealing strip 18,39 of bell mouth shape.
Like Fig. 9,10, shown in 11; Front lining 7, back bush 9 are to have certain flexible wreath; Die cavity fit portion 40,41 on the end of specification of the two and main body 8 and front baffle 4, the afterframe 10 matches, and the medial surface 42 of front lining 7, back bush 9 and inner face 43 are provided with protruding 44.
Handle 2 is members of being convenient to manage that are the shuttle shape.
Under the confined state; Before sealing ring 5, back sealing ring 11 respectively through its trapezoidal tooth portion 36 embed annular grooves be inlaid in front baffle 4, afterframe 10 annular groove 37,38 in; The sealing strip 18,39 that makes its bell mouth shape outwardly, in case of necessity through glue sealing fastening (seeing Figure 18 for details); The fit portion 40,41 of front baffle 4, afterframe 10 is enclosed within the two ends of main body 8; And it is fixing with self-plugging rivet 6; Front lining 7, back bush 9 place respectively in the fit portion 40,41 and the slit between the main body 8 of front baffle 4, afterframe 10, and reaching the effect of sealing, and bulge loop 35 pressure holdings on the bottom surface of afterframe 10 fit portions 41 are on the outer face of back bush 9; Form linear sealing between back bush and the afterframe under pressure; Having guaranteed does not have leakage point between back bush and the afterframe, and the medial surface 32 of front lining 7, back bush 9 and the convexity 34 on the inner face 33 are stuck in depressed part corresponding on the main body, strengthen its bonding strength; Handle 2 is connected the centre of arch 3 through screw 1, is convenient to rotate.
Claims (10)
1. fin; Be the wavy some air-flows slit (33) that extends to form; It is characterized in that offering some groups of joint-cuttings (32) on the sidewall (34) in said air-flow slit (33), the surface that every group of joint-cutting (32) is positioned at edge (30) perk sidewall in the place of airflow downstream forms the air port (29) towards updrift side; Maintain kerf spacing (D2) between the joint-cutting on the same group, the size of this kerf spacing (D2) is 0.8-1.0 a times of air-flow gap width (S).
2. fin according to claim 1 is characterized in that: some groups of joint-cuttings on the same sidewall, the downstream edge of its part group joint-cutting are to a side perk of this sidewall, and the downstream edge of all the other group joint-cuttings is to the opposite side perk of this sidewall.
3. fin according to claim 2 is characterized in that: the downstream edge difference perk of facing two groups of joint-cuttings on the same sidewall mutually is in the both sides of this sidewall.
4. according to claim 1,2 or 3 described fins, it is characterized in that: the angle (α) on described airflow downstream edge (30) perk surface of sidewall in the place is 15o-25o.
5. according to claim 1,2 or 3 described fins, it is characterized in that: described joint-cutting (32) is a linearity.
6. according to claim 1,2 or 3 described fins, it is characterized in that: the joint-cutting that faces mutually on the sidewall is corresponding, and the direction in the formed air port of corresponding joint-cutting is identical.
7. according to claim 1,2 or 3 described fins, it is characterized in that: the quantity of every group of joint-cutting is 3-15.
8. according to claim 1,2 or 3 described fins, it is characterized in that: the length of said joint-cutting (L) is 0.6-1.0 times of said sidewall height (H).
9. according to claim 1,2 or 3 described fins, it is characterized in that: the upstream edge (31) that faces mutually with said downstream edge (30) is to the perk of the downstream of the opposite side of sidewall.
10. condenser; Has a main body (8); This main body (8) is provided with circulation air path interlaced with each other (19) and heat exchange air channel (15); Described heat exchange air channel (15) is built-in with fin, and this fin is wavy extension on the direction vertical with heat exchange air channel airflow direction, form some air-flows slit; It is characterized in that: offer some groups of joint-cuttings on the sidewall in said air-flow slit, the surface that every group of joint-cutting is positioned at edge perk sidewall in the place of airflow downstream forms the air port towards updrift side; Described main body (8) comprises at least two board components (20); Each board component (20) comprises two-layer panel (21), Wavelike finned (13) and the two sections sealed piece (12) for " ┏ ┓ " shape; Described fin (13) extends to edge (17) and end (16) of two panels; Crest, the trough of fin (13) is adhered between the two-layer panel (21); Described fin (13) is gone up and is formed air-flow slit (33); Offer some groups of joint-cuttings (32) on the sidewall (34) in said air-flow slit (33); The surface that every group of joint-cutting (32) is positioned at edge (30) perk sidewall in the place of airflow downstream forms towards the air port (29) of updrift side, maintains kerf spacing (D2) between the interior on the same group joint-cutting, and the size of this kerf spacing (D2) is 0.8-1.0 a times of air-flow gap width (S); The outer surface of the dual-side (24) of said two sealed pieces (12) is bonding with the end (16) of two panels (21) respectively, and the gap between described two-layer panel (21), fin (13) and two sealed pieces (12) forms described heat exchange air channel (15); Be provided with the edge sealing spare (14) of cross section between the panel two edges (17) of adjacent panel assembly for " ┏ ┓ " shape; And the outer surface of the dual-side (25) of this edge sealing spare (14) is bonding with the edge of the panel (21) of corresponding board component, and the space that said adjacent board component (20) and the edge sealing spare (14) between the face plate edge (17) thereof are surrounded forms described circulation air path (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100020942A CN102062557B (en) | 2006-11-08 | 2006-11-08 | Fin and condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100020942A CN102062557B (en) | 2006-11-08 | 2006-11-08 | Fin and condenser |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101545542A Division CN101178292B (en) | 2006-11-08 | 2006-11-08 | Fin and condensator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102062557A CN102062557A (en) | 2011-05-18 |
| CN102062557B true CN102062557B (en) | 2012-07-04 |
Family
ID=43997940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100020942A Active CN102062557B (en) | 2006-11-08 | 2006-11-08 | Fin and condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102062557B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3473961B1 (en) | 2017-10-20 | 2020-12-02 | Api Heat Transfer, Inc. | Heat exchanger |
| CN114543578A (en) * | 2020-11-25 | 2022-05-27 | 广州华凌制冷设备有限公司 | Heat exchanger, fins thereof, heat exchange equipment and air conditioner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093800A (en) * | 1993-01-27 | 1994-10-19 | 哈蒙-鲁姆斯公司 | Finned tube and manufacture method thereof |
| JP2000154989A (en) * | 1998-11-18 | 2000-06-06 | Daikin Ind Ltd | Air heat exchanger |
-
2006
- 2006-11-08 CN CN2011100020942A patent/CN102062557B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093800A (en) * | 1993-01-27 | 1994-10-19 | 哈蒙-鲁姆斯公司 | Finned tube and manufacture method thereof |
| JP2000154989A (en) * | 1998-11-18 | 2000-06-06 | Daikin Ind Ltd | Air heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN102062557A (en) | 2011-05-18 |
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Application publication date: 20110518 Assignee: Danfoss AS Assignor: Sanhua Refrigeration Group Co., Ltd., Zhejang Contract record no.: 2012990000817 Denomination of invention: Fin and condensator Granted publication date: 20120704 License type: Common License Record date: 20121106 |
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Owner name: HANGZHOU SANHUA MICRO CHANNEL HEAT EXCHANGER CO., Free format text: FORMER OWNER: SANHUA REFRIGERATION GROUP CO., LTD., ZHEJANG Effective date: 20130407 |
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Free format text: CORRECT: ADDRESS; FROM: 312500 SHAOXING, ZHEJIANG PROVINCE TO: 310018 HANGZHOU, ZHEJIANG PROVINCE |
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Effective date of registration: 20130407 Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 21 Avenue, No. 60 Patentee after: Sanhua Micro Channel Heat Exchanger Inc. Address before: 312500 Zhejiang city of Shaoxing province Xinchang County Chengguan town of Liquan Patentee before: Sanhua Refrigeration Group Co., Ltd., Zhejang |