CN201260286Y - Heat radiator and circuit board - Google Patents
Heat radiator and circuit board Download PDFInfo
- Publication number
- CN201260286Y CN201260286Y CNU2008201354164U CN200820135416U CN201260286Y CN 201260286 Y CN201260286 Y CN 201260286Y CN U2008201354164 U CNU2008201354164 U CN U2008201354164U CN 200820135416 U CN200820135416 U CN 200820135416U CN 201260286 Y CN201260286 Y CN 201260286Y
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- China
- Prior art keywords
- circuit board
- main fin
- heater element
- radiator
- fin
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- 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 - Fee Related
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Abstract
The utility model discloses a radiator and a circuit board, relating to spare parts of electronic equipment. The radiator and the circuit board solve a problem that the radiator in the prior art is much too thick. The radiator and the circuit board are that: a plate-shaped main radiating rib is fixed in a reserved area of the circuit board and a heating element which produces heat in the working process is contacted with the main radiating rib, thus leading the heat of the heating element to be directly conducted by the main radiating rib; besides, the plate-shaped main radiating rib has larger radiating area, thus improving the radiating efficiency. The radiator and the circuit board are mainly used for the circuit boards of various electronic equipments, in particular for power supply boards of flat televisions.
Description
Technical field
The utility model relates to the parts of electronic equipment, relates in particular to the radiator and the circuit board of cooling usefulness in the electronic equipment.
Background technology
In order to guarantee that electronic equipment can work under suitable temperature, the heat channeling conduct row that electronic equipment need be produced in the course of the work looses.At present,, make the temperature of these components and parts be unlikely to too high and influence the operate as normal of electronic equipment for installing radiator additional on the components and parts that only caloric value is bigger in electronic equipment for the radiating mode of electronic equipment.
Owing to the increase of radiating efficiency along with area of dissipation improves, so the shape of radiator mainly is designed to the multi-disc type.As: put down in writing a kind of fin in the Chinese patent that be 200520121056.9 in the patent No., Granted publication day is on January 24th, 2007, this fin is provided with a plurality of attached lamellar bodies on a lamellar body.Generally speaking, attached cognition is bigger, can increase area of dissipation under the situation of limited a plurality of attached lamellar body so as far as possible, thereby improve radiating efficiency.
The fansink designs that has becomes the form of fin to increase the area of dissipation of radiator, to improve radiating efficiency.
In the process that adopts above-mentioned fin, utility model people finds that there are the following problems at least in the prior art: the fin of the attached lamellar body of this employing or the radiator of fin form are when improving radiating efficiency, because attached lamellar body is higher or fin is higher, cause the integral thickness of fin bigger, for the electronic equipment that uses this fin, just need to increase the thickness of electronic equipment, this developing direction with the light and thin type of electronic equipment deviates from mutually.
The utility model content
The utility model provides a kind of radiator and circuit board, can effectively improve radiating efficiency under the situation of thin thickness.
For achieving the above object, the utility model adopts following technical scheme:
A kind of radiator comprises a tabular main fin, described main fin be provided be used for circuit board on reserved area be fixedly coupled the hole, the heater element adjacent to this reserved area on described main fin and the circuit board contacts.
A kind of circuit board, comprise printed wiring board and the element that is arranged on the printed wiring board, comprise heater element in the described element, on described printed wiring board, be provided with reserved area with the heater element position adjacent, described reserved area place is fixed with a tabular main fin, and described heater element contacts with described main fin.
Radiator that the utility model provides and circuit board, radiator wherein mainly comprises a tabular main fin, and this main fin is directly installed on the printed wiring board of circuit board, and the heater element that needs on the circuit board to dispel the heat is directly to contact with this main fin, like this, heater element just can directly dispel the heat by this main fin.
With respect to the situation that prior art is only dispelled the heat for the heating of element on the entire circuit plate by a thicker radiator, the heater element in the utility model all can directly dispel the heat by main fin, has improved radiating efficiency.And the utility model can increase area of dissipation by a tabular main fin, with respect to prior art by increasing fin or increasing for the scheme of attached lamellar body, the thickness of the radiator in the utility model is thinner relatively, and this design applies to the developing direction of the light and thin type that meets electronic equipment in the electronic equipment.
In sum, the utility model can effectively improve radiating efficiency with the radiator than minimal thickness.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of radiator among the utility model embodiment 1;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is the schematic diagram of circuit board among the utility model embodiment 2.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
Present embodiment provides a kind of radiator that can apply to circuit board in the electronic equipment, as depicted in figs. 1 and 2, this radiator comprises a tabular main fin 1, described main fin 1 be provided be used for circuit board on reserved area be fixedly coupled hole 2, for the circuit board of radiator in adopting present embodiment, only need the heater element adjacent on circuit board reserved area be set and gets final product.After radiator in the present embodiment is installed on the circuit board, need on the bent circuit board, make that the heater element adjacent to this reserved area contacts on described main fin and the circuit board adjacent to the heater element of this reserved area.
In order to guarantee stability in contact between heater element and the main fin, also be provided with the fixing hole corresponding 3 on the main fin in the present embodiment with described heater element, and described heater element is fixed on the described main fin corresponding fixing hole 3 places, make between heater element and the main fin contact more stable, thereby the heat that has guaranteed the generation of heater element can waltz through main fin conductive, has improved radiating efficiency.
Connecting hole 2 in the present embodiment on the main fin can adopt internal thread hole to realize, and by screw main fin is fixed on the circuit board.Fixing hole 3 in the present embodiment also can adopt internal thread hole, and heater element can be by screw on main fin.To circuit board direction flange, the height of this flange probably is about 1mm, in general also the perforate that matches with the projection of this flange can be set on the circuit board around this fixing hole 3, and like this, the projection of flange can play location and spacing effect.
Present embodiment improves radiating efficiency by heater element with direct contact of main fin, and the efficiently radiates heat area of tabular main fin also can be bigger, also can improve radiating efficiency.For available technology adopting fin mode or attached lamellar body mode improved radiating efficiency, the radiator in the present embodiment was thinner relatively, and in general, the height of main fin is 2mm to 3mm, and this is just meeting the developing direction of the light and thin type of electronic equipment.
Owing in heater element, may comprise some big caloric value elements, for example: core processor, the caloric value of elements such as image processor all can be very big, in order to guarantee the operate as normal of these big caloric value elements, present embodiment is provided with additional cooler with described big caloric value element position adjacent on described main fin, the through hole 4 and the projection 13 that are used for fixing additional cooler have been expressed among Fig. 1 and Fig. 2, through hole 4 is provided with internal thread, additional cooler can be fixed on by being threaded on the main fin 1, but projection 13 clampings are opened on the fixing hole on the additional cooler, thereby reach fixing purpose.Fig. 3 between concrete additional cooler schematic diagram among the embodiment 2.Present embodiment can effectively reduce the temperature of big caloric value component periphery by corresponding to the special additional cooler that is provided with of big caloric value element, improves radiating efficiency.
Though present embodiment has been set up additional cooler on main fin, but the additional cooler of present embodiment can be selected small-sized additional cooler for use, in general, the height of this additional cooler is 6mm to 7mm, in conjunction with the thickness of above-mentioned main fin, the overall height of main fin and additional cooler can be controlled at about 9mm.And radiator of the prior art is in order to increase area of dissipation as far as possible, it highly generally is thus lifted to 40mm, so, the radiator that present embodiment provides is for radiator of the prior art, the thickness of radiator can be reduced about 30mm, more meet the developing direction of the light and thin type of electronic equipment.
Embodiment 2:
Present embodiment provides a kind of circuit board that adopts above-mentioned radiator, as shown in Figure 3, this circuit board comprises printed wiring board 5 and the element 6 that is arranged on the printed wiring board 5, described element 6 may produce heat in the course of the work, wherein the element 6 that dispels the heat by radiator of the caloric requirement of Chan Shenging is called heater element (number in the figure is 6 the heater element that is), is provided with reserved area with heater element 6 position adjacent on described printed wiring board 5.
For the less circuit board of heater element, these heater element centralized arrangement so just can be provided with a reserved area on printed wiring board; If heater element is more on the described circuit board,, the heater element dispersed placement so just need need be provided with two or more reserved area on described printed wiring board for reasonable line arrangement.
As shown in Figure 3, be provided with 3 reserved area in the present embodiment, and each reserved area place is fixed with a tabular main fin 7, near each reserved area heater element 6 contacts with corresponding main fin, the pin 8 of the heater element 6 shown in the figure be used for printed wiring board 5 on solder joint weld together, guarantee the correct work of circuit board.
In order to guarantee stability in contact between heater element 6 and the main fin 7, also be provided with the fixing hole 9 corresponding on the main fin 7 in the present embodiment with described heater element 6, and described heater element 6 is fixed on the described main fin 7 corresponding fixing hole 9 places, make between heater element 6 and the main fin 7 contact more stable, thereby the heat that has guaranteed the generation of heater element 6 can waltz through main fin 7 conduction, has improved radiating efficiency.Fixing hole 9 in the present embodiment is a screwed hole, and heater element just can be by screw on main fin.
Present embodiment improves radiating efficiency by heater element with direct contact of main fin, and the efficiently radiates heat area of tabular main fin also can be bigger, also can improve radiating efficiency.For available technology adopting fin mode or attached lamellar body mode improved radiating efficiency, the radiator in the present embodiment was thinner relatively, and in general, the height of main fin is 2mm to 3mm, and this is just meeting the developing direction of the light and thin type of electronic equipment.
Circuit board in the present embodiment can be the circuit board in the various electronic equipments, particularly be used in the power panel in the panel TV, can reduce the thickness of panel TV effectively, for the utilization of present embodiment in panel TV is described preferably, the power panel with panel TV is the example explanation below.
For a lot of circuit boards, all may there be the bigger big caloric value element of caloric value, for example: the caloric value of South Bridge chip 10 elements such as grade in the power panel can be very big, in order to guarantee the operate as normal of South Bridge chip 10, present embodiment is provided with additional cooler 11 with described South Bridge chip 10 position adjacent on described main fin 5, also be provided with additional cooler 12 on the main fin 5 in the present embodiment corresponding to other a big caloric value element, present embodiment is by the additional cooler 11 and 12 corresponding to the special setting of big caloric value element, can effectively reduce the temperature of big caloric value component periphery, improve radiating efficiency.
For panel TV, the radiator height of power supply of the prior art probably is 40mm, add the thickness 50mm of power supply itself, and calculate corresponding safe distance 10mm interior, the minimum 100mm that needs of last slab-thickness, and for some more for the panel TV of large-screen, its slab-thickness also will surpass 100mm.
In general, the height of this additional cooler is 6mm to 7mm, and in conjunction with the thickness of above-mentioned main fin, the overall height of main fin and additional cooler can be controlled at about 9mm.After circuit board in the present embodiment being applied to the power panel of panel TV, add the thickness 50mm of power supply itself, and calculate corresponding safe distance 10mm interior, the slab-thickness that draws at last is also with regard to about 69mm, than slab-thickness of the prior art thin about 30mm.
The utility model is mainly used in the power panel of the circuit board of various electronic equipments, particularly panel TV, can reduce the thickness of circuit board when improving radiating efficiency, realizes the thin design of electronic equipment.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion by described protection range with claim.
Claims (10)
1, a kind of radiator is characterized in that, comprises a tabular main fin, described main fin be provided be used for circuit board on reserved area be fixedly coupled the hole, the heater element adjacent to this reserved area on described main fin and the circuit board contacts.
2, radiator according to claim 1 is characterized in that, described main fin is provided with the fixing hole corresponding with described heater element, and described heater element is fixed on fixing hole place corresponding on the described main fin.
3, radiator according to claim 2 is characterized in that, described fixing hole is on every side to circuit board direction flange.
4, radiator according to claim 1 is characterized in that, described heater element comprises big caloric value element, is provided with additional cooler with described big caloric value element position adjacent on described main fin.
5, radiator according to claim 4 is characterized in that, described main fin is provided with the fixedly through hole and the projection of additional cooler.
6, a kind of circuit board, comprise printed wiring board and the element that is arranged on the printed wiring board, comprise heater element in the described element, it is characterized in that, on described printed wiring board, be provided with reserved area with the heater element position adjacent, described reserved area place is fixed with a tabular main fin, and described heater element contacts with described main fin.
7, circuit board according to claim 7 is characterized in that, described main fin is provided with the fixing hole corresponding with described heater element, and described heater element is fixed on fixing hole place corresponding on the described main fin.
8, circuit board according to claim 7 is characterized in that, described heater element comprises big caloric value element, is provided with additional cooler with described big caloric value element position adjacent on described main fin.
9, circuit board according to claim 7 is characterized in that, described printed wiring board is provided with two or more reserved area.
10, circuit board according to claim 7 is characterized in that, described circuit board is the power panel of panel TV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201354164U CN201260286Y (en) | 2008-10-06 | 2008-10-06 | Heat radiator and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201354164U CN201260286Y (en) | 2008-10-06 | 2008-10-06 | Heat radiator and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201260286Y true CN201260286Y (en) | 2009-06-17 |
Family
ID=40774525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201354164U Expired - Fee Related CN201260286Y (en) | 2008-10-06 | 2008-10-06 | Heat radiator and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201260286Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427655A (en) * | 2011-08-31 | 2012-04-25 | 昆山锦泰电子器材有限公司 | Radiating fin structure |
| CN110364320A (en) * | 2019-07-24 | 2019-10-22 | 深圳市开步电子有限公司 | A kind of current sense resistor structure |
-
2008
- 2008-10-06 CN CNU2008201354164U patent/CN201260286Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427655A (en) * | 2011-08-31 | 2012-04-25 | 昆山锦泰电子器材有限公司 | Radiating fin structure |
| CN110364320A (en) * | 2019-07-24 | 2019-10-22 | 深圳市开步电子有限公司 | A kind of current sense resistor structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20121006 |