CN103987236A - Air-cooling radiator and manufacturing method thereof - Google Patents
Air-cooling radiator and manufacturing method thereof Download PDFInfo
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- CN103987236A CN103987236A CN201410214571.5A CN201410214571A CN103987236A CN 103987236 A CN103987236 A CN 103987236A CN 201410214571 A CN201410214571 A CN 201410214571A CN 103987236 A CN103987236 A CN 103987236A
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Abstract
The invention discloses an air-cooling radiator and a manufacturing method thereof. The air-cooling radiator comprises a thermal conduction substrate and cooling fins. Fin insertion grooves are formed in the thermal conduction substrate. A connecting end of each cooling fin is fixed in the corresponding fin insertion groove in the thermal conduction substrate. The space between the connecting end of each cooling fin and the corresponding fin insertion groove is filled with a thermal conduction medium. An air passing passageway is further formed in each cooling fin. The space between the connecting end of each cooling fin and the corresponding fin insertion groove is further filled with the corresponding thermal conduction medium, thermal resistance between the thermal conduction substrate and the cooling fins can be reduced through the thermal conduction mediums, thermal conduction is facilitated, and the heat dissipation effect of the air-cooling radiator is improved; the cooling fins can be more tightly attached to the side walls of the fin insertion grooves, and therefore thermal resistance can be further reduced; by the adoption of the design of the air passing passageways, air from an external fan can flow through the space outside the cooling fins and the air passing passageways, so that the inner portion and the outer portion of the cooling fins are fully cooled, and heat on the cooling fins can be rapidly taken away.
Description
Technical field
The present invention relates to a kind of air-cooled radiator and preparation method thereof.
Background technology
Along with improving constantly of the requirements such as reliability, performance index and the power stage of electronic equipment, require also to need corresponding raising for the heat radiation of electronic equipment.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.
Summary of the invention
In order to overcome the deficiencies in the prior art, one of object of the present invention is to provide a kind of air-cooled radiator, and it can improve radiating effect.
Two of object of the present invention is to provide the manufacture method of above-mentioned air-cooled radiator.
For address the above problem one, the technical solution adopted in the present invention 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.
The two opposite side walls of described inserted slot is fastened on fin on heat-conducting substrate by the mode of compressive deformation.
Described heat-conducting substrate tightens together with fin by the mode pressing.
The described wind passage of crossing 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.
For address the above problem two, the technical solution adopted in the present invention is as follows:
The manufacture method of air-cooled radiator, comprises the following steps;
(a) produce with the heat-conducting substrate of inserted slot, with the fin of crossing wind passage;
(b) the link gap of fin is inserted in inserted slot, and fills heat-conducting medium between inserted slot and the link of fin;
(c) utilize riveting tool to exert pressure to the sidewall of inserted slot both sides, make the two side of this inserted slot towards the Direction distortion extruding of fin, fin is fixed on heat-conducting substrate.
In step (a), the both sides at inserted slot on described heat-conducting substrate are all formed with projection seat, and offer riveting groove in the centre of projection seat; Both sides at riveting groove in described projection seat are all formed with lug boss, in step (c), riveting tool is inserted in riveting groove, and lug boss is exerted pressure, make the Direction distortion extruding of lug boss towards the fin being adjacent, fin is fixed on heat-conducting substrate.
In step (a), on heat-conducting substrate, be alternately provided with inserted slot and projection seat.
Compared to existing technology, beneficial effect of the present invention is:
The present invention 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 for the wind of external fan from fin outside, 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, improve 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.
Brief description of the drawings
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 invention:
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 invention;
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 present invention is described further, understands the present invention's technical thought required for protection so that clearer.
As shown in Fig. 3,4,5, be a kind of air-cooled radiator of the present invention, 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, heat-conducting substrate 1 conducts to fin 2 after absorbing the heat of heater element, and can reduce the thermal resistance between heat-conducting substrate 1 and fin 2 by heat-conducting medium 4, and contributes 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 up of 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, the described wind passage 21 of crossing 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 in 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 being formed as 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 multiple, 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 invention 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 and dispel the heat, and makes the unlikely heat build-up of heater element and causes temperature sharply to raise;
(3) distribute heat-in the time that the wind direction of external fan radiator air-supply, cooling air can be concentrated to the portion in the inner that gathers by utilizing duct shield 5, then cooling air passes through from fin 2, 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 with the heat-conducting substrate 1 of 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 the Direction distortion extruding of lug boss 13 towards the fin 2 being adjacent, and then fin 2 is fixed on heat-conducting substrate 1.Now, described lug boss 13 is formed as the sidewall of inserted slot 11.The present invention, 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 invention, 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 the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, the variation of any unsubstantiality that those skilled in the art does on basis of the present invention and replacement all belong to the present invention's scope required for protection.
Claims (10)
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: the two opposite side walls of described inserted slot is fastened on fin on heat-conducting substrate by the mode of compressive deformation.
3. air-cooled radiator as claimed in claim 1 or 2, is characterized in that: described heat-conducting substrate tightens together with fin by the mode pressing.
4. air-cooled radiator as claimed in claim 1, is characterized in that: the described wind passage of crossing extends along the length direction of fin, and runs through the two relative side of fin.
5. 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.
6. 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.
7. air-cooled radiator as claimed in claim 1, is characterized in that: described heat-conducting medium is heat-conducting cream.
8. the manufacture method of air-cooled radiator as claimed in claim 1, is characterized in that: comprise the following steps;
(a) produce with the heat-conducting substrate of inserted slot, with the fin of crossing wind passage;
(b) the link gap of fin is inserted in inserted slot, and fills heat-conducting medium between inserted slot and the link of fin;
(c) utilize riveting tool to exert pressure to the sidewall of inserted slot both sides, make the two side of this inserted slot towards the Direction distortion extruding of fin, fin is fixed on heat-conducting substrate.
9. the manufacture method of air-cooled radiator as claimed in claim 8, is characterized in that: in step (a), the both sides at inserted slot on described heat-conducting substrate are all formed with projection seat, and offer riveting groove in the centre of projection seat; Both sides at riveting groove in described projection seat are all formed with lug boss, in step (c), riveting tool is inserted in riveting groove, and lug boss is exerted pressure, make the Direction distortion extruding of lug boss towards the fin being adjacent, fin is fixed on heat-conducting substrate.
10. the manufacture method of air-cooled radiator as claimed in claim 9, is characterized in that: in step (a), be alternately provided with inserted slot and projection seat on heat-conducting substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410214571.5A CN103987236A (en) | 2014-05-20 | 2014-05-20 | Air-cooling radiator and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410214571.5A CN103987236A (en) | 2014-05-20 | 2014-05-20 | Air-cooling radiator and manufacturing method thereof |
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| CN103987236A true CN103987236A (en) | 2014-08-13 |
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| CN201410214571.5A Pending CN103987236A (en) | 2014-05-20 | 2014-05-20 | Air-cooling radiator and manufacturing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105188309A (en) * | 2015-08-14 | 2015-12-23 | 太仓市兴港金属材料有限公司 | Efficient and rapid pressing type radiator |
| CN107152414A (en) * | 2016-03-02 | 2017-09-12 | 奇鋐科技股份有限公司 | Improved structure of fan blade |
| CN107257615A (en) * | 2017-08-15 | 2017-10-17 | 重庆钜途机电有限公司 | A kind of Radiator and its preparation method |
| WO2020108515A1 (en) * | 2018-11-30 | 2020-06-04 | 华为技术有限公司 | Heat sink |
| 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 |
| CN111949097A (en) * | 2020-07-30 | 2020-11-17 | 上海星家网络科技有限公司 | Server with good protection and damping performance |
| CN113566161A (en) * | 2021-05-31 | 2021-10-29 | 深圳市乐思远灯具有限公司 | Lamp radiator, manufacturing method thereof and lamp |
| CN116249335A (en) * | 2023-05-11 | 2023-06-09 | 天津锐新昌科技股份有限公司 | Aluminum alloy half-insert radiator and processing technology thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188309A (en) * | 2015-08-14 | 2015-12-23 | 太仓市兴港金属材料有限公司 | Efficient and rapid pressing type radiator |
| CN107152414A (en) * | 2016-03-02 | 2017-09-12 | 奇鋐科技股份有限公司 | Improved structure of fan blade |
| CN107257615A (en) * | 2017-08-15 | 2017-10-17 | 重庆钜途机电有限公司 | A kind of Radiator and its preparation method |
| WO2020108515A1 (en) * | 2018-11-30 | 2020-06-04 | 华为技术有限公司 | Heat sink |
| 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 |
| CN111949097A (en) * | 2020-07-30 | 2020-11-17 | 上海星家网络科技有限公司 | Server with good protection and damping performance |
| CN113566161A (en) * | 2021-05-31 | 2021-10-29 | 深圳市乐思远灯具有限公司 | Lamp radiator, manufacturing method thereof and lamp |
| CN113566161B (en) * | 2021-05-31 | 2023-06-16 | 深圳市乐思远灯具有限公司 | Lamp radiator, manufacturing method thereof and lamp |
| CN116249335A (en) * | 2023-05-11 | 2023-06-09 | 天津锐新昌科技股份有限公司 | Aluminum alloy half-insert radiator and processing technology thereof |
| CN116249335B (en) * | 2023-05-11 | 2023-08-04 | 天津锐新昌科技股份有限公司 | Aluminum alloy half-insert radiator and processing technology thereof |
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Application publication date: 20140813 |