CN203814123U - Air-cooling heat dissipation device - Google Patents
Air-cooling heat dissipation device Download PDFInfo
- Publication number
- CN203814123U CN203814123U CN201420260033.5U CN201420260033U CN203814123U CN 203814123 U CN203814123 U CN 203814123U CN 201420260033 U CN201420260033 U CN 201420260033U CN 203814123 U CN203814123 U CN 203814123U
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- China
- Prior art keywords
- heat
- fin
- air
- radiation fins
- conducting substrate
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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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 title abstract description 7
- 230000017525 heat dissipation Effects 0.000 title abstract 4
- 239000000758 substrate Substances 0.000 claims abstract description 47
- 239000006071 cream Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 16
- 230000005855 radiation Effects 0.000 abstract description 10
- 238000009423 ventilation Methods 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 235000010210 aluminium Nutrition 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an air-cooling heat dissipation device comprising a heat conduction substrate and radiation fins. The heat conduction substrate is provided with inserting grooves, and the connection end parts of the radiation fins are fixedly disposed in the inserting grooves of the heat conduction substrate, and in addition, heat conduction mediums are disposed between the connection end parts of the radiation fins and the inserting grooves in a filled manner. The radiation fins are provided with ventilation channels. The air-cooling heat dissipation device is advantageous in that the heat conduction mediums are disposed between the connection end parts of the radiation fins and the inserting grooves in a filled manner, and the thermal resistance between the heat conduction substrate and the radiation fins can be reduced by the heat conduction mediums, and the conduction of the heat energy can be facilitated, and therefore the heat dissipation effect can be improved; the radiation fins are tightly attached to the side walls of the inserting grooves, and therefore the thermal resistance can be further reduced; by adopting the design of the ventilation channels, the wind generated by the external fans can flow from the outer sides of the radiation fins through the ventilation channels, and therefore the inner side and the outer side of the device can be fully cooled, and the heat energy can be dissipated quickly.
Description
Technical field
The utility model relates to a kind of air-cooled radiator.
Background technology
Along with improving constantly of the requirements such as reliability, performance index and power stage of electronic equipment, for the heat radiation of electronic equipment, require also to need corresponding raising.And in radiator as the important thermal component in electronic equipment, the dissipation of heat that is mainly used in heater element to produce is in surrounding air, to guarantee that heat object physical efficiency normally works.Air-cooled radiator, as common radiator, conventionally coordinate with cold wind, and utilize the fin on radiator to dispel the heat, thereby well behaved fin can be given full play to wind-force, thereby play good radiating effect.
As shown in Figure 1, 2, existing air-cooled radiator comprises substrate 7, is plugged on the fin 8 on substrate 7, and owing to having certain air gap between the connection end of fin 8 and substrate 7, thereby the contact heat resistance in substrate 7 heat conduction path is increased, had a strong impact on the radiating effect of radiator.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of air-cooled radiator, and it can improve radiating effect.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
Air-cooled radiator, comprises heat-conducting substrate, fin; On described heat-conducting substrate, be provided with inserted slot, the connection end of described fin is fixed in the inserted slot of heat-conducting substrate, and is also filled with heat-conducting medium between the connection end of fin and inserted slot; On described fin, be also formed with wind passage.
Described heat-conducting substrate tightens together with fin by the mode pressing.
Described wind passage excessively extends along the length direction of fin, and runs through the two relative side of fin.
On the madial wall of described fin and lateral wall, be all formed with ripple glaze.
This radiator also comprises and is arranged on heat-conducting substrate and covers on the duct shield outside fin, and a wherein side of this duct shield is formed with air inlet, and opposite side is formed with air outlet; A wherein openend of crossing wind passage is provided with a side of air inlet toward duct shield, another openend is provided with a side of air outlet toward duct shield.
Described heat-conducting medium is heat-conducting cream.
Compared to existing technology, the beneficial effects of the utility model are:
The utility model is by being also filled with heat-conducting medium between the connection end at fin and inserted slot, and can reduce the thermal resistance between heat-conducting substrate and fin by heat-conducting medium, and contributes to the conduction of heat, thereby improves the radiating effect of radiator; And, also can make the sidewall of fin and inserted slot more fit tightly, can further reduce thermal resistance; By adopting the design of wind passage, can be outside from fin for the wind of external fan, cross wind passage and flow through, fully cooling to carrying out inside and outside it, can take away fast the heat on it, also can coordinate with external fan to form simultaneously and force thermal convection, further to improve its radiating effect; And by adopting the design of duct shield, can be convenient to outside wind to gather toward fin place, air quantity is concentrated balanced, can utilize more fully wind energy, and, also can make the wind speed of air inlet and air outlet more balanced, thereby also make the temperature deviation of whole radiator greatly reduce, improved radiating effect; In addition, owing to being provided with ripple glaze on fin, can increase thermal convection area of dissipation, the more existing radiator of radiating effect of this radiator can significantly be promoted.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing air-cooled radiator;
Fig. 2 is the A place enlarged drawing of Fig. 1:
Fig. 3 is the structural representation of air-cooled radiator of the present utility model:
Fig. 4 is the structural representation of the fin in Fig. 3;
Fig. 5 is the structural representation of the heat-conducting substrate when step (a);
Fig. 6 is the flow chart of the manufacture method of air-cooled radiator of the present utility model;
Wherein, 1, heat-conducting substrate; 11, inserted slot; 12, riveting groove; 13, lug boss; 2, fin; 21, cross wind passage; 22, ripple glaze; 4, heat-conducting medium; 5, duct shield.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further, so that clearer, understand the utility model technical thought required for protection.
As shown in Fig. 3,4,5, be a kind of air-cooled radiator of the present utility model, comprise heat-conducting substrate 1, fin 2; On described heat-conducting substrate 1, be provided with inserted slot 11, the connection end of described fin 2 is fixed in the inserted slot 11 of heat-conducting substrate 1, and is also filled with heat-conducting medium 4 between the connection end of fin 2 and inserted slot 11; On described fin 2, be also formed with wind passage 21.
In use, after the heat of heat-conducting substrate 1 absorption heater element, conduct to fin 2, and can reduce the thermal resistance between heat-conducting substrate 1 and fin 2 by heat-conducting medium 4, and contribute to the conduction of heat, thereby can improve its radiating effect.Meanwhile, by adopting the design of wind passage 21, can be for the wind of external fan from fin 2 outsides, cross wind passage 21 and flow through, fully cooling to carrying out inside and outside it, can take away fast the heat on it, also can coordinate with external fan to form simultaneously and force thermal convection, further to improve its radiating effect.
Concrete, described heat-conducting substrate 1 is made by materials such as aluminiums, and in order to ensure its good heat conduction function, described heat-conducting substrate 1 can be selected the aluminium that conductive coefficient is higher.
Preferably, described inserted slot 11 is strip.The two opposite side walls of described inserted slot 11 is fastened on fin 2 on heat-conducting substrate 1 by the mode of compressive deformation.And by adopting above-mentioned design, can make fin 2 and the sidewall of inserted slot 11 more fit tightly, and under the cooperation of heat-conducting medium 4, can significantly reduce thermal resistance.Concrete, described heat-conducting substrate 1 tightens together with fin 2 by the mode pressing, that is to say, can utilize two opposite side walls that the mode pressing makes inserted slot 11 towards the direction of fin 2 deform extruding, extend, fin 2 is fastened on heat-conducting substrate 1.
Concrete, described wind passage 21 excessively extends along the length direction of fin 2, and runs through the two relative side of fin 2.To increase the length of wind passage 21, thereby increase the time that cold wind passed through wind passage 21.On described fin 2, be formed with and be the two mistake wind passages 21 of arranging up and down, and this two mistakes wind passage 21 separates by the transverse slats in the middle of fin 2, and by adopting said structure, can be when guaranteeing its radiating effect, can also improve the intensity of the structure of fin 2, to guarantee its Stability Analysis of Structures.
On the madial wall of described fin 2 and lateral wall, be all formed with ripple glaze 22.By adopting said structure, can increase thermal convection area of dissipation, the more existing radiator of radiating effect of this radiator can significantly be promoted.
Particularly, described fin 2 is by Aluminum extrusion moulding, to reduce its cost of manufacture.
This radiator also comprises and is arranged on heat-conducting substrate 1 and covers on the duct shield 5 outside fin 2, and a wherein side of this duct shield 5 is formed with air inlet, and opposite side is formed with air outlet; A wherein openend of crossing wind passage 21 is provided with a side of air inlet toward duct shield 5, another openend is provided with a side of air outlet toward duct shield 5.And by adopting the design of duct shield 5, can be convenient to outside wind to gather toward fin 2 places, air quantity is concentrated balanced, can utilize more fully wind energy, and, also can make the wind speed of air inlet and air outlet more balanced, thereby also make the temperature deviation of whole radiator greatly reduce, improve radiating effect.
Wherein, described air inlet and air outlet can be offered respectively formation at the biside plate of duct shield 5.And preferred, described duct shield 5 can be set to that " [" shape, and uncovered its air inlet and the air outlet of forming of both sides, to be convenient to processing, are reduced cost of manufacture.The two ends of described duct shield 5 are fixedly inserted on heat-conducting substrate 1.
Preferably, described heat-conducting medium 4 can adopt heat-conducting cream, heat-conducting block etc.And in order to improve its heat-conducting effect, and being convenient to processing and fabricating, described heat-conducting medium 4 can be selected the heat-conducting cream that conductive coefficient is higher.
In the present embodiment, the quantity of described fin 2 is set to a plurality of, and along linear array.And the quantity of inserted slot 11 is consistent with the quantity of fin 2, and corresponding one by one with it; Described fin 2 is fixed in corresponding inserted slot 11.
The course of work of air-cooled radiator of the present utility model is as follows:
(1) heat absorption--in use, heater element is arranged on heat-conducting substrate 1 to the heat that heat-conducting substrate 1 produces while absorbing heater element work;
(2) heat conduction--owing to offering inserted slot 11 on heat-conducting substrate 1, and in inserted slot 11 filling heat-conducting cream, simultaneously also by utilizing the mode of inserted slot 11 sidewall compressive deformations that fin 2 and heat-conducting substrate 1 are fitted tightly, can reduce to greatest extent the thermal resistance between heat-conducting substrate 1 and fin 2, thereby when heat-conducting substrate 1 is absorbing after the heat of heater element, most of heat of heat-conducting substrate 1 can be passed to rapidly fin 2 heat radiation, makes the unlikely heat build-up of heater element and causes temperature sharply to raise;
(3) distribute heat-radiator when air-supply when the wind direction of external fan, by utilizing duct shield 5, cooling air can be concentrated to the portion in the inner that gathers, then cooling air is from fin 2 processes, can take away the heat on fin 2, and force thermal convection by utilizing wind passage 21 to coordinate with outside fan, improve its radiating effect; And, by utilizing the ripple glaze 22 on fin 2, also can increase area of dissipation, the radiating effect of this radiator is promoted greatly compared with other radiators.
The manufacture method of above-mentioned air-cooled radiator, comprises the following steps (referring to Fig. 6);
(a) produce heat-conducting substrate 1 with inserted slot 11, with the fin 2 of crossing wind passage 21;
(b) the link gap of fin 2 is inserted in inserted slot 11, and fills heat-conducting medium 4 between inserted slot 11 and the link of fin 2; Preferably, described heat-conducting medium 4 is heat-conducting cream;
(c) utilize riveting tool to exert pressure to the sidewall of inserted slot 11 both sides, make the two side of this inserted slot 11 towards Direction distortion extruding, the extension of fin 2, fin 2 is fixed on heat-conducting substrate 1.Concrete, described riveting tool is the cutter that presses.
Preferably, in step (a), the both sides at inserted slot 11 on described heat-conducting substrate 1 are all formed with projection seat, and offer riveting groove 12 in the centre of projection seat; Both sides at riveting groove 12 in described projection seat are all formed with lug boss 13, in step (c), riveting tool is inserted in riveting groove 12, and lug boss 13 is exerted pressure, make lug boss 13 towards the Direction distortion extruding of the fin 2 being adjacent, and then fin 2 is fixed on heat-conducting substrate 1.Now, described lug boss 13 forms the sidewall of inserted slot 11.The utility model, by adopting above-mentioned steps, can make its processing more simple, convenient, and, also can make fin 2 more firm with being connected of heat-conducting substrate 1, stable.
Wherein, in step (a), on heat-conducting substrate 1, be alternately provided with inserted slot 11 and projection seat, that is to say, between two inserted slots 11 of arbitrary neighborhood, be provided with a projection seat; Certainly, described inserted slot 11 and projection seat are except adopting mode alternately arranges, can also between any two inserted slots 11, be provided with two projection seats, but inserted slot 11 adopts over-over mode setting with projection seat, for optimal case of the present utility model, it can increase the quantity of inserted slot 11, to be convenient to install more fin 2.
The manufacture method of this air-cooled radiator also comprises step (d), duct shield 5 cover caps, outside fin 2, and is fixed on duct shield 5 on heat-conducting substrate 1, with by utilizing duct shield 5 can concentrate air quantity.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit with this scope of the utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (6)
1. air-cooled radiator, comprises heat-conducting substrate, fin; It is characterized in that: on described heat-conducting substrate, be provided with inserted slot, the connection end of described fin is fixed in the inserted slot of heat-conducting substrate, and is also filled with heat-conducting medium between the connection end of fin and inserted slot; On described fin, be also formed with wind passage.
2. air-cooled radiator as claimed in claim 1, is characterized in that: described heat-conducting substrate tightens together with fin by the mode pressing.
3. air-cooled radiator as claimed in claim 1, is characterized in that: described wind passage excessively extends along the length direction of fin, and runs through the two relative side of fin.
4. air-cooled radiator as claimed in claim 1, is characterized in that: on the madial wall of described fin and lateral wall, be all formed with ripple glaze.
5. air-cooled radiator as claimed in claim 1, is characterized in that: this radiator also comprises and be arranged on heat-conducting substrate and cover on the duct shield outside fin, and a wherein side of this duct shield is formed with air inlet, and opposite side is formed with air outlet; A wherein openend of crossing wind passage is provided with a side of air inlet toward duct shield, another openend is provided with a side of air outlet toward duct shield.
6. air-cooled radiator as claimed in claim 1, is characterized in that: described heat-conducting medium is heat-conducting cream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260033.5U CN203814123U (en) | 2014-05-20 | 2014-05-20 | Air-cooling heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260033.5U CN203814123U (en) | 2014-05-20 | 2014-05-20 | Air-cooling heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203814123U true CN203814123U (en) | 2014-09-03 |
Family
ID=51452810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420260033.5U Expired - Lifetime CN203814123U (en) | 2014-05-20 | 2014-05-20 | Air-cooling heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203814123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987236A (en) * | 2014-05-20 | 2014-08-13 | 深圳市华盛源机电有限公司 | Air-cooling radiator and manufacturing method thereof |
| CN110149781A (en) * | 2019-05-16 | 2019-08-20 | 珠海格力电器股份有限公司 | Heat abstractor and be equipped with its electrical equipment |
| CN111372425A (en) * | 2020-03-12 | 2020-07-03 | 苏州永腾电子制品有限公司 | Magnetic suction type air-cooled radiator |
-
2014
- 2014-05-20 CN CN201420260033.5U patent/CN203814123U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987236A (en) * | 2014-05-20 | 2014-08-13 | 深圳市华盛源机电有限公司 | Air-cooling radiator and manufacturing method thereof |
| CN110149781A (en) * | 2019-05-16 | 2019-08-20 | 珠海格力电器股份有限公司 | Heat abstractor and be equipped with its electrical equipment |
| CN110149781B (en) * | 2019-05-16 | 2020-12-08 | 珠海格力电器股份有限公司 | Heat abstractor and be equipped with its electrical equipment |
| CN111372425A (en) * | 2020-03-12 | 2020-07-03 | 苏州永腾电子制品有限公司 | Magnetic suction type air-cooled radiator |
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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: 20140903 |