CN203206641U - Radiating fin - Google Patents
Radiating fin Download PDFInfo
- Publication number
- CN203206641U CN203206641U CN 201220652258 CN201220652258U CN203206641U CN 203206641 U CN203206641 U CN 203206641U CN 201220652258 CN201220652258 CN 201220652258 CN 201220652258 U CN201220652258 U CN 201220652258U CN 203206641 U CN203206641 U CN 203206641U
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- CN
- China
- Prior art keywords
- heat sink
- sink body
- fin
- circuit board
- extension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
A radiating fin comprises a radiating fin main body. One surface of the radiating fin main body is provided with heat-emitting elements; the radiating fin main body is uprightly fixed on a circuit board; the upper end of the radiating fin main body is bent so as to form a bent portion; at least one upper radiating groove is formed on the bent portion; and in the extending direction of the radiating fin main body, at least one of the heat-emitting elements is arranged within the width range of at least one upper radiating groove.
Description
Technical field
The utility model relates to a kind of fin.
Background technology
In the prior art, often integrated a large amount of electronic components on the circuit board, each electronic component can discharge a large amount of heats when work, cause the temperature of circuit board and even whole electric device to raise, and the too high meeting of temperatures at localized regions influence the job stability of electronic component, therefore needs to improve the radiating effect of circuit board, reduces working temperature, guarantee its stability, increase the service life.
Common radiating mode is finned on circuit board, by the heat fast Absorption of fin with electronic component and circuit board, and by its radiating surface heat is passed, thereby reaches cooling-down effect.Traditional fin shape is smooth flat member, directly is fixed on the circuit board by screw, can add electronic components at fin simultaneously, and electronic component is dispelled the heat.But traditional heat radiating fin structure is too simple, and writing board shape tends to stop circuit board ambient air circulation, thereby causes radiating effect not good.
The utility model content
Provide a kind of fin according to an aspect of the present utility model, comprise heat sink body, the one side of heat sink body is provided with heater element; And heat sink body is fixed on the circuit board, so that heat sink body stands on the circuit board; The upper end of heat sink body is bent to form kink; And last kink is formed with radiating groove at least one; Wherein on the bearing of trend of heat sink body, a heater element in the heater element is arranged in the wide cut scope of radiating groove at least one.
Provide a kind of fin according to another aspect of the present utility model, comprise heat sink body, the one side of heat sink body is provided with heater element; And heat sink body is fixed on the circuit board, so that heat sink body stands on the circuit board; The upper end of heat sink body is bent to form kink; And last kink is formed with radiating groove at least one; Wherein on the bearing of trend of heat sink body, two or more heater elements in the heater element are arranged in the wide cut scope of radiating groove at least one.
Has such structure, especially by form in heat sink body kink and on radiating groove, can make air near fin, form convection channel swimmingly, thereby effectively utilize the heat that cross-ventilation is taken away fin and heater element, obtain radiating effect well.Further, by radiating groove is set, in the time of around needs are installed on other elements fin, heat sink body can not stop the sight line of installation personnel, thereby can carry out visual installation to these other elements well, greatly reduce installation difficulty and the installation procedure of other elements, reduced assembly cost.
Preferably, according to fin provided by the utility model, on the bearing of trend of heat sink body, heater element all is arranged in the wide cut scope of radiating groove at least one.
Have such structure, radiating groove can dispel the heat to each heater element effectively in the utilization.Further, by making radiating groove at least one be greater than or equal to wide cut scope on the bearing of trend of whole heater elements in heat sink body in the wide cut scope on the bearing of trend of heat sink body, can carry out efficiently radiates heat to the integral body of each heater element, the inhomogeneous situation of dispelling the heat can not occur.
Preferably, according to fin provided by the utility model, radiating groove is arranged in order crooked place in last kink along the direction parallel with the bearing of trend of heat sink body at least one.
Preferably, according to fin provided by the utility model, radiating groove is a upward radiating groove at least one, goes up the crooked place that radiating groove is formed at kink for one.
Have such structure, by a bigger last radiating groove only is set, can further reduce manufacturing procedure and processing cost, and can further increase the installation visual range of other elements.
Preferably, according to fin provided by the utility model, heat sink body is fixed on the circuit board by leg, and forms heat radiation gap down between the lower end of heat sink body and the circuit board.
By such structure, utilize leg that fin is fixed on the circuit board, and make and form heat radiation gap down between the lower end of heat sink body and the circuit board, not only can utilize down the heat radiation gap to form air convection channel, can also further heater element and circuit board be dispelled the heat by the cross-ventilation that dispels the heat down between gap and the last radiating groove, thereby improved radiating efficiency greatly.
Preferably, according to fin provided by the utility model, the leg lower end is bent to form down kink, and following kink is parallel to circuit board, and kink is formed with fixing hole down.Further, according to fin provided by the utility model, the crooked place of following kink is formed with bending groove down.
By such following kink and fixing hole are set, can easily fin be fixed to the ad-hoc location on the circuit board.Further, by forming bending groove down in the following crooked place of kink, can be under bending prevent the varying aperture of fixing hole effectively in the process of kink, thereby improved fixed precision and the position stability of fin effectively.
Preferably, according to fin provided by the utility model, fin also comprises extension, and the bearing of trend of extension from heat sink body along heat sink body extends, and extension is fixed on the circuit board, so that extension stands on the circuit board.
By such extension is set, can further extends the area of dissipation of fin, thereby further improve the radiating efficiency of entire heat dissipation sheet.
Description of drawings
Fig. 1 is the overall schematic that is equipped with according to the circuit board of the fin of preferred embodiment of the present utility model;
Fig. 2 is the overall schematic according to the fin of preferred embodiment of the present utility model;
Fig. 3 is the overall schematic according to the fin of modified example of the present utility model.
Embodiment
Below with reference to accompanying drawing more excellent execution mode of the present utility model is described.
Fig. 1 is the overall schematic that is equipped with according to the circuit board of the fin of preferred embodiment of the present utility model.Fig. 2 is the overall schematic according to the fin of preferred embodiment of the present utility model.
Specifically, with reference to back attached Figure of description 1 and 2, the fin 1 according to the utility model provides comprises heat sink body 11, and the one side of heat sink body 11 is provided with heater element 3.Further, heat sink body 11 is fixed on the circuit board 2, so that heat sink body 11 stands on the circuit board 2.The upper end of heat sink body 11 is bent to form kink 13, and upward kink 13 is formed with radiating groove 31 at least one.On the bearing of trend of heat sink body 11, a heater element 3 in the heater element 3 is arranged in the wide cut scope of radiating groove 31 at least one.
Further, the fin 1 according to another aspect of the present utility model provides comprises heat sink body 11, and the one side of heat sink body 11 is provided with heater element 3.Further, heat sink body 11 is fixed on the circuit board 2, so that heat sink body 11 stands on the circuit board 2.The upper end of heat sink body 11 is bent to form kink 13, and upward kink 13 is formed with radiating groove 31 at least one.On the bearing of trend of heat sink body 11, two or more heater elements 3 in the heater element 3 are arranged in the wide cut scope of radiating groove 31 at least one.
By such structure, especially by form in heat sink body 11 kink 13 and on radiating groove 31, can make air near fin 1, form convection channel swimmingly, thereby effectively utilize the heat that cross-ventilation is taken away fin 1 and heater element (being heater element 3 in this preferred embodiment), obtain radiating effect well.Further, by radiating groove 31 is set, in the time of around needs are installed on other elements fin 1, heat sink body 11 can not stop the sight line of installation personnel, thereby can carry out visual installation to these other elements well, greatly reduce installation difficulty and the installation procedure of other elements, reduced assembly cost.
More specifically, shown in Figure of description 1 and 2, in preferred embodiment of the present utility model, radiating groove 31 is a upward radiating groove 31 at least one, goes up the crooked place that radiating groove 31 is formed at kink 13 for this.
More specifically, shown in Figure of description 1 and 2, in this preferred embodiment, the last kink 13 of fin 1 forms one and goes up radiating groove 31, and radiating groove 31 is along the bearing of trend (direction shown in the arrow A in the Figure of description 2 of heat sink body 11 on this; In this article, term " bearing of trend of heat sink body " refers to is exactly under fin stands on state on the circuit board direction that heat sink body is extended along the direction parallel with circuit board surface) extend.Further, in this article, term " fin stands on the circuit board " is not limited in fin and is fixed on the circuit board with vertical or subvertical state, also comprises the state that forms certain angle when fin 1 is fixed on the circuit board 2 between the fin 1 and circuit board 2.
By such structure, by a bigger last radiating groove 31 only is set, not only can utilize on this radiating groove 31 to obtain better heat radiating effect, can also reduce manufacturing procedure and the processing cost of fin, and can further increase the installation visual range of other elements.
Further, according to the fin that the utility model provides, on the bearing of trend of heat sink body 11, heater element 3 all is arranged in the wide cut scope of radiating groove 31 at least one.That is to say that radiating groove 31 is greater than or equal to the wide cut scope of whole heater elements 3 on the bearing of trend of heat sink body 11 in the wide cut scope on the bearing of trend of heat sink body 11 at least one.In this article, term " radiating groove 31 is in the wide cut scope on the bearing of trend of heat sink body 11 at least one " refers to: under fin 1 stands on state on the circuit board, on the bearing of trend of heat sink body 11, at least one in the radiating groove 31 each other the distance two ends farthest between institute's restricted portion; And term " all heater elements 3 in the wide cut scope on the bearing of trend of heat sink body 11 " refers to: under fin 1 stands on state on the circuit board, on the bearing of trend of heat sink body 11, whole institute's restricted portions between distance two ends farthest each other in the heater elements 3.
More specifically, shown in Figure of description 1 and 2, in this preferred embodiment, the one side of heat sink body 11 is provided with two heater elements 3, and these two heater elements 3 all are arranged in the wide cut scope of a last radiating groove 31.Have such structure, radiating groove 31 can dispel the heat to two heater elements 3 effectively in the utilization.Further, by making that going up radiating groove 31 is greater than or equal to the wide cut scope of whole heater elements 3 on the bearing of trend of heat sink body 11 in the wide cut scope on the bearing of trend of heat sink body 11, can carry out efficiently radiates heat to the integral body of all heater elements 3, the inhomogeneous situation of dispelling the heat can not occur.
In above-mentioned preferred embodiment, all heater elements 3 all are positioned at radiating groove 31 in the wide cut scope on the bearing of trend of heat sink body 11.But, the utility model obviously is not limited only to this, those skilled in the art can use and design needs and select position relation between heater element 3 and the last radiating groove 31 arbitrarily according to actual, for example, one side in heat sink body 11 arranges one or more heater element 3, and on the bearing of trend of heat sink body 11, only have a heater element 3 to be arranged in the wide cut scope of radiating groove 31 at least one, and other heater elements 3 are not positioned in the wide cut scope of radiating groove 31 at least one.Perhaps have two or more heater elements 3 to be arranged in the wide cut scope of radiating groove 31 at least one, and other heater elements 3 are not positioned in the wide cut scope of radiating groove 31 at least one.That is to say, according to the utility model, as long as at least one in the heater element 3 is arranged at the wide cut scope of radiating groove 31 at least one with interior.By such mode, can utilize radiating groove 31 only the bigger heater element 3 of part caloric value to be dispelled the heat, and satisfy some special operation condition or design needs.
In above-mentioned preferred embodiment, the one side of heat sink body 11 is provided with two heater elements 3, but the utility model obviously is not limited only to this, and those skilled in the art can use and design the quantity that needs arbitrarily select to be fixed in the heater element 3 on the heat sink body 11 according to actual.In addition, in above-mentioned preferred embodiment, only be provided with one and go up radiating groove 31.But the utility model obviously is not limited only to this, and those skilled in the art can be according to actual quantity and the set-up mode that uses and design the last radiating groove 31 of any selection of needs.For example, can be provided with two or more radiating grooves 31 of going up on the heat sink body 11, a plurality of radiating grooves 31 of going up are arranged in order in the crooked place of last kink 13 along the direction parallel with the bearing of trend of heat sink body 11.For example, a plurality of radiating grooves 31 of going up can form the grid type form, perhaps spaced a plurality of rectangular channel or other various forms.
Further, shown in Figure of description 1 and 2, in in the utility model, fin 1 also comprises extension 12,11 bearing of trend extends extension 12 from heat sink body 11 along heat sink body, and extension 12 is fixed on the circuit board 2, so that extension 12 stands on the circuit board.
By such extension 12 is set, can further extends the area of dissipation of fin 1 by extension 12, thereby further improve the radiating efficiency of entire heat dissipation sheet 1.
More specifically, shown in Figure of description 1 and 2, in this preferred embodiment, heat sink body 11 is fixed on the circuit board 2 by leg 14 and leg 18 respectively with extension 12.Further, by utilizing leg 14 and leg 18, form heat radiation gap 32 down between the lower end of heat sink body 11 and extension 12 and the circuit board 2.
By such structure, can utilize down heat radiation gap 32 to form air convection channel, dispel the heat in gap 32 thereby air can be flowed through down heat radiation swimmingly.Further, can also further heater element 3 and circuit board 2 be dispelled the heat by the cross-ventilation that dispels the heat down between gap 32 and the last radiating groove 31, thereby improved radiating efficiency greatly.
More specifically, shown in Figure of description 1 and 2, in this preferred embodiment, leg 14 lower ends are bent to form down kink 141, and the lower end of leg 18 is bent to form down kink 181.Following kink 141 and following kink 181 are parallel to circuit board 2, and kink 141 is formed with fixing hole with following kink 181 down.Utilize this fixing hole, can utilize members commonly used such as screw member, pin easily fin 1 to be fixed to ad-hoc location on the circuit board 2.More specifically, in this preferred embodiment, the crooked place of following kink 141 and following kink 181 all is formed with bending groove 33 down.By so following bending groove is set, can in the process that is bent to form following kink 141 or 181, prevents the varying aperture of fixing hole effectively, thereby improve fixed precision and the position stability of fin 1 with respect to circuit board 2 effectively.
More than be preferred embodiment of the present utility model, those skilled in the art can make various modification and can not break away from scope of the present utility model according to above-mentioned preferred embodiment.Next, be further expalined explanation with reference to 3 pairs of modified examples of the present utility model of Figure of description.
The attached Figure of description 3 in back is the overall schematic according to the fin 5 of modified example of the present utility model.This fin 5 is similar substantially with fin 1 structure in the above-mentioned preferred embodiment, and difference between the two is that the fin 5 in the modified example does not arrange extension, and only comprise with above-mentioned preferred embodiment in heat sink body 11 similar structures.In modified example of the present utility model, fin 5 utilizes two legs to be fixed on the circuit board, and this fin 5 also comprises similar structures such as bending part, will no longer be repeated in this description in this manual.
More than be preferred embodiment of the present utility model and accompanying drawing, have only preferred embodiment and accompanying drawing to be illustrated, it is not the interest field for restriction the utility model technology, all interest fields that is contained with identical technological means or for following claim content are implemented, and all do not break away from category of the present utility model but applicant's interest field.
For example, in above-mentioned preferred embodiment, fixing heater element not on the extension 12, but the utility model obviously is not limited only to this, those skilled in the art can according to actual use and design needs heater element 3 is installed on the extension 12.
In above-mentioned preferred embodiment, fin 1 utilizes leg 14 and leg 18 to be fixed on the circuit board 2.But the utility model obviously is not limited only to this, those skilled in the art can use and design needs and select arbitrarily fin 1 is fixed in mode on the circuit board 2 according to actual, for example, can utilize modes such as welding, grafting that fin 1 is fixed on the circuit board 2.
Claims (22)
1. a fin comprises heat sink body, and the one side of described heat sink body is provided with heater element; And described heat sink body is fixed on the circuit board, so that described heat sink body stands on the circuit board; It is characterized in that
The upper end of described heat sink body is bent to form kink; And
The described kink of going up is formed with radiating groove at least one; Wherein
On the bearing of trend of described heat sink body, a heater element in the described heater element is arranged at described at least one in the wide cut scope of radiating groove.
2. a fin comprises heat sink body, and the one side of described heat sink body is provided with heater element; And described heat sink body is fixed on the circuit board, so that described heat sink body stands on the circuit board; It is characterized in that
The upper end of described heat sink body is bent to form kink; And
The described kink of going up is formed with radiating groove at least one; Wherein
On the bearing of trend of described heat sink body, two or more heater elements in the described heater element are arranged at described at least one in the wide cut scope of radiating groove.
3. fin as claimed in claim 2 is characterized in that, on the bearing of trend of described heat sink body, described heater element all is arranged at described at least one in the wide cut scope of radiating groove.
4. as each described fin in the claim 1 to 3, it is characterized in that, described at least one radiating groove be arranged in order the crooked place that goes up kink in described along the direction parallel with the bearing of trend of described heat sink body.
5. as each described fin in the claim 1 to 3, it is characterized in that, described at least one radiating groove be one and go up radiating groove, go up radiating groove and be formed at the described crooked place that goes up kink for described one.
6. as each described fin in the claim 1 to 3, it is characterized in that described heat sink body is fixed on the described circuit board by leg, and form heat radiation gap down between the lower end of described heat sink body and the described circuit board.
7. fin as claimed in claim 4 is characterized in that, described heat sink body is fixed on the described circuit board by leg, and forms heat radiation gap down between the lower end of described heat sink body and the described circuit board.
8. fin as claimed in claim 5 is characterized in that, described heat sink body is fixed on the described circuit board by leg, and forms heat radiation gap down between the lower end of described heat sink body and the described circuit board.
9. fin as claimed in claim 6 is characterized in that, described leg lower end is bent to form down kink, and described kink down is parallel to described circuit board, and described kink down is formed with fixing hole.
10. fin as claimed in claim 7 is characterized in that, described leg lower end is bent to form down kink, and described kink down is parallel to described circuit board, and described kink down is formed with fixing hole.
11. fin as claimed in claim 8 is characterized in that, described leg lower end is bent to form down kink, and described kink down is parallel to described circuit board, and described kink down is formed with fixing hole.
12. fin as claimed in claim 9 is characterized in that, the described crooked place of kink down is formed with bending groove down.
13., it is characterized in that the described crooked place of kink down is formed with bending groove down as claim 10 or 11 described fin.
14. as each described fin in the claim 1 to 3, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
15. fin as claimed in claim 4, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
16. fin as claimed in claim 5, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
17. fin as claimed in claim 6, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
18. fin as claimed in claim 7, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
19. fin as claimed in claim 8, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
20. fin as claimed in claim 9, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
21. as each described fin in the claim 10 to 12, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
22. fin as claimed in claim 13, it is characterized in that, described fin also comprises extension, the bearing of trend of described extension from described heat sink body along described heat sink body extends, and described extension is fixed on the circuit board, so that described extension stands on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652258 CN203206641U (en) | 2012-11-30 | 2012-11-30 | Radiating fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652258 CN203206641U (en) | 2012-11-30 | 2012-11-30 | Radiating fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206641U true CN203206641U (en) | 2013-09-18 |
Family
ID=49150690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220652258 Expired - Lifetime CN203206641U (en) | 2012-11-30 | 2012-11-30 | Radiating fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231861A (en) * | 2016-07-27 | 2016-12-14 | 北京航空航天大学 | A kind of undaform radiating fin |
| CN107591998A (en) * | 2013-11-26 | 2018-01-16 | 台达电子企业管理（上海）有限公司 | Power supply change-over device and its Power convert board component |
-
2012
- 2012-11-30 CN CN 201220652258 patent/CN203206641U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591998A (en) * | 2013-11-26 | 2018-01-16 | 台达电子企业管理（上海）有限公司 | Power supply change-over device and its Power convert board component |
| CN106231861A (en) * | 2016-07-27 | 2016-12-14 | 北京航空航天大学 | A kind of undaform radiating fin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |
|
| CX01 | Expiry of patent term |