CN204495146U - A kind of air cooling heat radiator fin - Google Patents

A kind of air cooling heat radiator fin Download PDF

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Publication number
CN204495146U
CN204495146U CN201420816022.0U CN201420816022U CN204495146U CN 204495146 U CN204495146 U CN 204495146U CN 201420816022 U CN201420816022 U CN 201420816022U CN 204495146 U CN204495146 U CN 204495146U
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China
Prior art keywords
flow
turbulence
disturbing
heat exchange
air cooling
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CN201420816022.0U
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Chinese (zh)
Inventor
李海
彭继业
王焕忠
李丽梅
王金刚
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Beijing Longyuan Cooling Technology Co Ltd
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Beijing Longyuan Cooling Technology Co Ltd
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Abstract

The utility model relates to technical field of heat exchange devices, particularly relates to a kind of air cooling heat radiator fin.This air cooling heat radiator fin comprises substrate, heat exchange pore and turbulence structure, described turbulence structure comprises and is opened in on-chip flow-disturbing seam and is set up in the flow-disturbing bridge sheet that described flow-disturbing sews on, the size of multiple described flow-disturbing seam is identical, make the uniform specification of die module, reduce the maintenance cost of die manufacturing cost and spare part quantity and mould, described flow-disturbing bridge sheet is contour to be set up in described flow-disturbing and to sew on, reduce flowing resistance, improve heat exchange efficiency, improve the heat exchange property of radiator, multiple described turbulence structure forms multiple turbulence structure group, described turbulence structure group is undaform, and the crest of adjacent two turbulence structure groups is relative, described heat exchange pore is arranged between the trough of two adjacent turbulence structure groups, described substrate is provided with the projection around described heat exchange pore, increase the contact area with heat exchanger tube, improve heat exchange efficiency.

Description

A kind of air cooling heat radiator fin
Technical field
The utility model relates to technical field of heat exchange devices, particularly relates to a kind of air cooling heat radiator fin.
Background technology
At present along with the attention further that country protects freshwater resources, nearly all have employed air cooling system in the cooling of power station, northern China water-deficient area cold junction.Wherein, indirect air cooling system is subject to impact of external wind environment little, stable due to it, and low, the comprehensive coal consumption of winter operation back pressure is lower, when country advocates environmental protection and energy saving energetically, large-scale thermal power machine group has had gradually and has applied widely.Namely air cooling system nucleus equipment is air cooling heat radiator, refrigerant is at heat exchange Bottomhole pressure, air flows outward at heat exchanger tube, and pipe external thermal resistance is greater than pipe internal thermal resistance, the heat exchange efficiency of air side determines the heat exchange efficiency of radiator, and heat radiator fin major function is the heat exchange of strong radiator air side, heat radiator fin design is the key link determining radiator heat-dissipation performance and cost.
Existing fin flow-disturbing seam length adopts gradation type, same fin there are many different flow-disturbings seam sizes, in the process of a processing fin, need the die module changing different size, make troubles to processing, and also need die module for subsequent use aborning, manufacture and management multiple kinds of molds module, add unnecessary mould production and administration cost, thus add the production cost of fin.And the flow-disturbing bridge sheet of the existing fin arrangement mode adopting height to be staggered, add the air drag of air side, affect the heat exchange efficiency of air side. more
Therefore, for above deficiency, need to provide a kind of cost low, facilitate processing and manufacturing and improve the air cooling heat radiator fin of heat exchange efficiency.
Utility model content
(1) technical problem that will solve
The purpose of this utility model be to provide cost low, facilitate processing and manufacturing and improve the air cooling heat radiator fin of heat exchange efficiency.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of air cooling heat radiator fin, it is characterized in that: comprise substrate, heat exchange pore and turbulence structure, described turbulence structure comprises and is opened in on-chip flow-disturbing seam and is set up in the flow-disturbing bridge sheet that described flow-disturbing sews on, the size of multiple described flow-disturbing seam is identical, described flow-disturbing bridge sheet is contour to be set up in described flow-disturbing and to sew on, multiple described turbulence structure forms multiple turbulence structure group, described turbulence structure group is undaform, and the crest of adjacent two turbulence structure groups is relative, described heat exchange pore is arranged between the trough of two adjacent turbulence structure groups, described substrate is also provided with the projection around described heat exchange pore.
Preferably, the inwall of described projection is straight wall construction.
Preferably, the end of described projection is provided with flange.
Preferably, described substrate, projection and flow-disturbing bridge sheet are made by aluminum metallic material.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the air cooling heat radiator fin that the utility model provides, it comprises substrate, heat exchange pore and turbulence structure, described turbulence structure comprises and is opened in on-chip flow-disturbing seam and is set up in the flow-disturbing bridge sheet that described flow-disturbing sews on, the size of multiple described flow-disturbing seam is identical, make the uniform specification of die module, reduce the maintenance cost of die manufacturing cost and spare part quantity and mould, optimize process and manufacturing cost, described flow-disturbing bridge sheet is contour to be set up in described flow-disturbing and to sew on, multiple described turbulence structure forms multiple turbulence structure group, described turbulence structure group is undaform, and the crest of adjacent two turbulence structure groups is relative, described heat exchange pore is arranged between the trough of two adjacent turbulence structure groups, reduce flowing resistance, improve heat exchange efficiency, improve the heat exchange property of radiator, described substrate is also provided with the projection around described heat exchange pore, increase the contact area with heat exchanger tube, strengthen heat exchanger tube and fin contacts tight ness rating, reduce thermal contact resistance, improve heat exchange efficiency, and exchange heat pipe plays certain fixation.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model air cooling heat radiator fin;
Fig. 2 be the utility model air cooling heat radiator fin face structural representation;
Fig. 3 is the A-A generalized section of the utility model Fig. 2;
Fig. 4 is the B-B generalized section of the utility model Fig. 2.
In figure: 1: substrate; 2: heat exchange pore; 21: protruding; 22: flange; 3: turbulence structure group; 31: turbulence structure; 311: flow-disturbing stitches; 312: flow-disturbing bridge sheet.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
It should be noted that, the product partial schematic diagram of the accompanying drawing in the present embodiment all just for air cooling heat radiator fin structure is described, actually can make two sides or the extension product that continues in all directions as required.
As depicted in figs. 1 and 2, the flow-disturbing bridge sheet 312 that the air cooling heat radiator fin that the utility model embodiment provides comprises substrate 1, offers multiple flow-disturbing seam 311 on the substrate 1 and be set up on flow-disturbing seam 311, in order to the specification of unified die module, reduce the maintenance cost of die manufacturing cost and spare part quantity and mould, decrease the process more number of times of mold exchange or the process of minimizing processing, optimize process and manufacturing cost, preferably, the size being opened in multiple flow-disturbing seams 311 of substrate 1 is identical, and the length of flow-disturbing seam 3 is 16mm, in order to reduce the resistance of air flowing, preferably, the flow-disturbing bridge sheet 312 be erected on flow-disturbing seam 311 is contour setting, be highly 2mm, flow-disturbing bridge sheet 312 be by offer on the substrate 1 flow-disturbing stitch 311 time, directly be stamped to form, flow-disturbing bridge sheet 312 is connected with substrate 1 one, the two ends of flow-disturbing bridge sheet 312 are positioned at the two ends of flow-disturbing seam 311, the integral erection of flow-disturbing bridge sheet 312 is on flow-disturbing seam 311, flow-disturbing bridge sheet 312 is composition turbulence structure 31 together with flow-disturbing seam 311, air is when flowing through turbulence structure 31, can pass from flow-disturbing seam 311, form eddy current, and reduction boundary layer thickness, improve heat exchange efficiency.Fin can be provided with multiple turbulence structure 31, multiple turbulence structure 31 lines up multiple row turbulence structure group 3 according to certain rules, often row turbulence structure group 3 is all undaform, and the crest of the turbulence structure group 3 of adjacent row and trough are all oppositely arranged, heat exchange pore 2 is arranged between the trough of two adjacent turbulence structure groups, make turbulence structure 31 basic around the heat exchanger tube be arranged in heat exchanging holes, adjacent turbulence structure group 3 is symmetrical along the heat exchange pore 2 be arranged between adjacent turbulence structure group 3 trough, farthest improves heat exchange efficiency.
In order to increase the contact area of fin and heat exchanger tube as much as possible, improve heat exchange efficiency, and exchange heat pipe and play certain fixation, preferably, as Figure 1-Figure 4, also be provided with around heat exchange pore projection 21 with heat exchange pore 2 opposite position on the substrate 1, heat exchanger tube (not shown) is passed and is contacted with protruding 21 from heat exchange pore 2.
In order to increase the contact area of fin and heat exchanger tube as much as possible, improving heat exchange efficiency, making it have better heat transfer effect, more preferably, as shown in Figure 4, the inwall of protruding 21 is straight wall construction, and fitting with heat exchanger tube completely to make the inwall of protruding 21 contacts.
In order to strengthen the intensity of protruding 21, prevent protruding 21 distortion, guarantee the expanded joint tight ness rating of fin and heat exchanger tube, and the projection 21 when facilitating many fins to assemble on fin inserts the heat exchange pore 2 of adjacent fin, cause fin Unequal distance to arrange, affect heat exchange efficiency, preferably, as shown in Figure 3 and Figure 4, protruding 21 one end are arranged on substrate 1, the other end is provided with flange 22, makes flange 22, projection 21 and substrate 1 form bathtub construction.
In order to improve the heat exchange efficiency of fin, preferably, substrate 1, projection 21 and flow-disturbing bridge sheet 312 are made by the metal material that thermal conductivity is good, in order to reduce fin cost further, improve the cost performance of fin, preferred substrate 1, projection 21 and flow-disturbing bridge sheet 312 all adopt aluminum metal metal material to make.
During use, multiple fin is arranged according to actual needs on heat exchanger tube, heat exchanger tube passes from the heat exchange pore 2 and protruding 21 of fin, equidistant placement between each fin, refrigerant is at heat exchange Bottomhole pressure, air flows outward at heat exchanger tube, flow-disturbing bridge sheet 312 is erected on flow-disturbing seam 311, and contour setting, reduce air drag, air forms rough air when flowing through turbulence structure 31, improves heat exchange efficiency, turbulence structure 31 is basic around the heat exchanger tube be arranged in heat exchanging holes, farthest improves the heat exchange efficiency of fin.
In sum, the flow-disturbing seam size of the utility model air cooling heat radiator fin is identical, make the uniform specification of die module, reduce the maintenance cost of die manufacturing cost and spare part quantity and mould, decrease the work in-process more number of times of mold exchange or the process of processing, optimize process and manufacturing cost, the height being erected at each flow-disturbing bridge sheet that flow-disturbing is sewed on is identical, reduce flowing resistance, turbulence structure is substantially around the heat exchanger tube be arranged in heat exchanging holes, maximum raising heat exchange efficiency, improves the heat exchange property of radiator.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (4)

1. an air cooling heat radiator fin, it is characterized in that: comprise substrate (1), heat exchange pore (2) and turbulence structure (31), described turbulence structure (31) comprises flow-disturbing seam (311) be opened on substrate (1) and the flow-disturbing bridge sheet (312) be set up on described flow-disturbing seam (311), the size of multiple described flow-disturbing seam (311) is identical, described flow-disturbing bridge sheet (312) is contour to be set up on described flow-disturbing seam (311), multiple described turbulence structure (31) forms multiple turbulence structure group (3), described turbulence structure group (3) is in undaform, and the crest of adjacent two turbulence structure groups (3) is relative, described heat exchange pore (2) is arranged between the trough of two adjacent turbulence structure groups (3), described substrate (1) is also provided with the projection (21) around described heat exchange pore (2).
2. air cooling heat radiator fin according to claim 1, is characterized in that: the inwall of described projection (21) is straight wall construction.
3. air cooling heat radiator fin according to claim 1, is characterized in that: the end of described projection (21) is provided with flange (22).
4. the air cooling heat radiator fin according to any one of claim 1-3, is characterized in that: described substrate (1), protruding (21) and flow-disturbing bridge sheet (22) are made by aluminum metallic material.
CN201420816022.0U 2014-12-19 2014-12-19 A kind of air cooling heat radiator fin Active CN204495146U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420816022.0U CN204495146U (en) 2014-12-19 2014-12-19 A kind of air cooling heat radiator fin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420816022.0U CN204495146U (en) 2014-12-19 2014-12-19 A kind of air cooling heat radiator fin

Publications (1)

Publication Number Publication Date
CN204495146U true CN204495146U (en) 2015-07-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105928410A (en) * 2016-06-16 2016-09-07 常州爱迪尔制冷科技有限公司 Fin with turning wing and heat exchanger
CN109477704A (en) * 2016-05-13 2019-03-15 斯蒂凡尼股份公司 The fin and heat exchanger of fins set packet for heat exchanger
CN110726322A (en) * 2019-11-19 2020-01-24 广东美的暖通设备有限公司 Cooling fin for heat exchanger, cooling assembly and refrigeration equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109477704A (en) * 2016-05-13 2019-03-15 斯蒂凡尼股份公司 The fin and heat exchanger of fins set packet for heat exchanger
CN105928410A (en) * 2016-06-16 2016-09-07 常州爱迪尔制冷科技有限公司 Fin with turning wing and heat exchanger
CN110726322A (en) * 2019-11-19 2020-01-24 广东美的暖通设备有限公司 Cooling fin for heat exchanger, cooling assembly and refrigeration equipment

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Effective date of registration: 20201215

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