CN104284555A - Combined radiator, production technology thereof and electronic product - Google Patents
Combined radiator, production technology thereof and electronic product Download PDFInfo
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- CN104284555A CN104284555A CN201310283725.1A CN201310283725A CN104284555A CN 104284555 A CN104284555 A CN 104284555A CN 201310283725 A CN201310283725 A CN 201310283725A CN 104284555 A CN104284555 A CN 104284555A
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Abstract
The embodiment of the invention provides a combined radiator which comprises a shaft core part and a plurality of independent radiating pieces. The shaft core part is of a column-shaped structure. A plurality of groove structures for mounting of the radiating pieces are arranged on the outer edge of the shaft core part. A mounting zone for mounting of a radiated element or a circuit is arranged in the middle of the shaft core part. Each radiating piece is of a sheet structure, and the edge part, connected with the shaft core part, of each radiating piece is provided with a connecting zone. The connecting zones of at least two radiating pieces are tightly embedded into a groove structure of the shaft core part, so that each groove structure of the shaft core part is fixedly provided with at least two radiating pieces. The embodiment of the invention further provides a production technology of the radiator and an electronic product with the radiator. Radiating effect can be greatly improved, and meanwhile the weight of the radiator is effectively lowered.
Description
Technical field
The present invention relates to the heat dissipation technology of electronic product, particularly relate to the electronic product of a kind of combined radiator and production technology and this combined radiator of employing.
Background technology
At present, two kinds of radiating modes are adopted usually to the heat radiation of electronic product: forced heat radiation mode and natural heat dissipation mode are dispelled the heat.Such as: to the heat radiation of the CPU of computer, employing fan and fin realize the heat radiation to CPU simultaneously.Here, employing fan carries out dispelling the heat and just belongs to forced heat radiation mode, and carrying out dispelling the heat with fin just belongs to natural heat dissipation mode.
But not all electronic product is all applicable to adopting forced heat radiation mode and natural heat dissipation mode to dispel the heat simultaneously.
Such as: to the heat radiation of LED.Because LED will hang on holder usually, so its weight and volume all requires the smaller the better, to facilitate installation.In this case, if carry out forced heat radiation with fan to it, obviously increase the consumption of weight, volume and electric energy, particularly forced heat radiation and can produce noise unavoidably, affect environmental amenity degree.Therefore, the mode of natural heat dissipation is mainly all adopted to dispel the heat to the heat radiation of LED at present.
At present, the high-power future development of manufacturing technology forward of LED, although researcher's or else disconnected heat generation rate reducing LED, the demand of heat radiation is necessary.This is just more and more higher to the requirement of LED radiator, should ensure radiating effect, can not increase again the weight and volume of radiator.
The LED radiator of prior art is the one-time formed radiator of extruding, be generally cylindrical structure, as shown in Figure 1, this radiator has core 1 and fin section 2 to the structure of its upper surface or lower surface, and this fin section 2 is stretched out by core 1 and formed.This radiator is very high to manufacturing technique requirent, and each fin in fin section 2, limits by production technology, and the average thickness of fin is the thinnest also at about 1mm.If such heat sink applications is on high-power LED lamp, in order to ensure radiating effect, must increase area of dissipation, greatly will increase the volume of radiator, weight also can increase thereupon.
In addition, the radiator due to prior art is all that extruding is one-time formed, when attach it to different electronic products, also needs again to process according to the structure of electronic product.Such as: when LED lamp circuit is arranged in the groove of radiator core 1, need the entirety first making radiator, then adopt the mode of machining to cut to radiator core 1, process groove.Do like this, complex process and add machining period, too increase raw-material expending.
In fact, the radiator for realizing natural heat dissipation in prior art all have employed the one-time formed explained hereafter of extruding.That is, other are required to the electronic product of natural heat dissipation, have because adopt the radiator of prior art too, the radiating effect caused and the not high enough problem of the degree of balance between heatsink weight and volume.
Summary of the invention
The object of the embodiment of the present invention is the electronic product providing a kind of combined radiator and production technology and this radiator of employing, to improve radiating effect, and alleviates the weight of radiator.
For achieving the above object, embodiments provide a kind of combined radiator, it comprises axle core components and multiple independently fin;
Described axle core components is column structure, and its outward flange is provided with multiple groove structure for installing fin; And the centre position of axle core components is provided with the installation region for installing by heat dissipation element or circuit;
Each fin structure in the form of sheets, it is positioned at the marginal portion be connected with described axle core components and has join domain;
The join domain of at least two fin is closely embedded in a groove structure of axle core components, makes each groove structure fixed installation at least two fin of axle core components.
Preferably, the groove structure of described axle core components is the groove structure extended outward by axle core components main body, or axle core components main body periphery cave inward formed groove structure; The groove structure of described axle core components is uniformly distributed in whole outward flanges of described axle core components, or is evenly distributed near by the partial outer edge of heat dissipation element or circuit.
Preferably, the length of described groove structure is consistent with the height of axle core components; The width of the root of described groove structure is greater than oral area width 0.3 ~ 1mm; Described fin is sheet-metal press working part, and thickness is 0.2 ~ 1mm, and flakiness ratio is 50 ~ 300; When installing fin, the groove structure of described axle core components, has plastic deformation under application of a force, makes the join domain of fin and described groove structure form interference fit; Each groove structure fixed installation 2-5 fin of described axle core components.
Preferably, the installation region of described axle core components is provided with installing hole or mounting groove, and this installing hole or mounting groove are used for installing by heat dissipation element or circuit; Or the installation region of described axle core components is provided with erecting bed, this erecting bed is installed by heat dissipation element or circuit for fitting; Or around the installation region of described axle core components, be also provided with axle core components homoaxial one or more louvre; The height of described axle core components, determines according to the requirement of the electronic product of heat sink applications; The arbitrary shape of the circular in cross-section of described axle core components, ellipse, arbitrary polygon or the design of electronic products according to heat sink applications; Described fin is in the arbitrary shape according to the design of electronic products of heat sink applications.
Preferably, described fin edges, is provided with one or more accessory mounting groove; The position of described accessory mounting groove and quantity, determine according to the accessory installation requirement of the electronic product of heat sink applications;
Described axle core components and fin, by the nonferrous materials manufacture of more than conductive coefficient 200W/mK.
The embodiment of the present invention additionally provides a kind of radiator production technology, it is characterized in that: for the production of above-mentioned combined radiator, comprise the steps:
Produce described axle core components and multiple independently fin respectively;
Adopt pressing method, the join domain of at least two fin is closely embedded in a groove structure of axle core components, make each groove structure fixed installation at least two fin of axle core components, can ensure like this, in limited axle core outer rim, more fin is installed.
Preferably, produce axle core components time, extend outward described groove structure by axle core components main body, or make axle core components main body periphery cave inward formed described groove structure, the width of the root of described groove structure is machined to and is greater than oral area width 0.3 ~ 1mm, be processed into default shape; When producing fin, adopting sheet metal stamping process, being processed into default shape; Described when the join domain of at least two fin being closely embedded in a groove structure of axle core components, when press-fiting, the groove structure of described axle core components has plastic deformation under application of a force, makes the join domain of fin and described groove structure form interference fit.
Preferably, when producing axle core components, process installing hole or mounting groove in the installation region of described axle core components, this installing hole or mounting groove are used for installing by heat dissipation element or circuit; Or when producing axle core components, processing erecting bed in the installation region of described axle core components, this erecting bed is installed by heat dissipation element or circuit for fitting; Or when producing axle core components, around described installation region, process homoaxial one or more louvre with axle core components.
The embodiment of the present invention additionally provides a kind of electronic product, comprises component to be heated or circuit, and any one combined radiator above-mentioned;
Described component to be heated or circuit, be installed on the installation region of described axle core components.
Preferably, described component to be heated or circuit are: LED light source component or LED integrated circuit.
Embodiments provide the electronic product of a kind of combined radiator and production technology and this radiator of employing.This combined radiator is dressed up by the axle core components be separated and groups of fins, and the thickness of fin is not squeezed the process technology limit of machine-shaping, and that fin can be done is very thin, and the thinnest can be 0.2mm; Flakiness ratio is done very large, and flakiness ratio can reach 300.Compared with prior art, can radiating effect be increased substantially, effectively alleviate the weight of radiator simultaneously.
Certainly, arbitrary product of the present invention is implemented or method must not necessarily need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the upper surface of prior art LED radiator;
Fig. 2 a is the perspective view of a kind of combined radiator according to the embodiment of the present invention;
Fig. 2 b is the vertical view of combined radiator shown in Fig. 2 a;
Fig. 2 c is the axial cutaway view of combined radiator shown in Fig. 2 a;
Fig. 3 is the cross-sectional view of the axle core components of another kind of combined radiator according to the embodiment of the present invention;
Fig. 4 is the cross-sectional view of the axle core components of another combined radiator according to the embodiment of the present invention;
Fig. 5 is the structural representation of the fin of another kind of combined radiator according to the embodiment of the present invention;
Fig. 6 is the structural representation of the fin of another combined radiator according to the embodiment of the present invention;
Fig. 7 is the structural representation of the fin of another combined radiator according to the embodiment of the present invention;
Fig. 8 is the production technological process of a kind of combined radiator according to the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide the electronic product of a kind of combined radiator and production technology and this radiator of employing, be described in detail respectively below.
The combined radiator of the embodiment of the present invention is the radiator assembled by the axle core components be separated and fin.See Fig. 2 a, Fig. 2 b and Fig. 2 c, a kind of radiator according to the embodiment of the present invention comprises: axle core components 200 and multiple independently fin 210.
Wherein, described axle core components 200 is in column structure, and its outward flange is provided with multiple groove structure 201 for installing fin; And the centre position of axle core components 200 is provided with the installation region 202 for installing by heat dissipation element or circuit.
Each fin 210 structure in the form of sheets, it is positioned at the marginal portion be connected with described axle core components 200 and has join domain 211.
The join domain 211 of at least two fin 210 is closely embedded in a groove structure 201 of axle core components 200, makes each groove structure 201 of axle core components 200 fixedly mount at least two fin 210.
As shown in Figure 2 a and 2 b, the groove structure 201 of the present embodiment axis core components 200 is the groove structure extended outward by axle core components main body, the join domain 211 of at least two fin 210 is closely mounted in described groove structure, makes fin 210 and described groove structure form interference fit.In another embodiment, groove structure also can be caved inward by axle core components main body periphery to form groove structure.As shown in Figure 2 a and 2 b, the groove structure inside of axle core components can be called axle core components main body.
In the present embodiment, the length of described groove structure is consistent with the height of axle core components, namely identical or substantially identical.The width of the root of this groove structure can slightly larger than oral area width, such as: be greater than 0.3mm ~ 1mm.
In the present embodiment, described fin is sheet-metal press working part, and thickness is 0.2 ~ 1mm, and flakiness ratio is 50 ~ 300.During installation, the groove structure of this axle core components has small plastic deformation, makes the join domain of fin and described groove structure form interference fit, ensures good heat-conducting effect.
In the present embodiment, the groove structure 201 of axle core components 200 is uniformly distributed in whole outward flanges of axle core components 200, in other embodiments, also can according to the needs of electronic equipment of application, be evenly distributed near by the partial outer edge of heat dissipation element or circuit.
In the present embodiment, installation region 202 is provided with erecting bed, and this erecting bed is installed by heat dissipation element or circuit for fitting.In other embodiments, installation region 202 can arrange installing hole or mounting groove, and this installing hole or mounting groove are used for installing by heat dissipation element or circuit.
In addition, in other embodiments, in order to improve radiating effect further, around installation region, then can arrange and the homoaxial one or more through louvre of axle core components.
The height of the axle core components of the present embodiment determines according to the requirement of the electronic product of heat sink applications, and the height of usual axle core components is about 1/3 of fin height.The cross section of the axle core components of this example, as shown in Figure 2 b, rounded.In other embodiments, the cross section of axle core components 200 can also the arbitrary shape of ovalize, arbitrary polygon or the design of electronic products according to heat sink applications, such as: peach heart shaped, irregularly shaped etc.
As shown in Figure 2 a and 2 b, in the present embodiment, each groove structure 201 of axle core components 200 is provided with 3 fin 210.In other embodiments, each groove structure 201 of axle core components 200 can install 2,3,4,5 or more fin 210.In practical application, the quantity of the groove structure 201 of axle core components 200, and the quantity of the fin 210 of each groove structure 201 installation, can be arranged according to the requirement of radiating effect.
As shown in Figure 2 c, the fin of the present embodiment is a kind of sheet-metal press working part, and greatly to being rectangle, its top edge being positioned at axle core components side is curved.There is accessory mounting groove 212 position at the top edge of the arc at edge at an upper portion thereof.The thickness of the fin in this example can be 0.2 ~ 1mm, and flakiness ratio is can 50 ~ 300, can pass through pressing method, is closely mounted to by 2-5 fin in each groove structure of described axle core components.In other embodiments, plate is very thin, such as 0.2mm, can adopt the mode of punching press or shearing, manufactures fin.
The shape of fin is not construed as limiting herein, can be the arbitrary shape of the design of electronic products according to heat sink applications, as long as have join domain, can be mounted in the groove structure of axle core components.The position of the accessory mounting groove 212 of fin and quantity, be not construed as limiting herein, can be to determine according to the accessory installation requirement of the electronic product of heat sink applications.
In practical application, in order to improve the rigidity of fin, various reinforcement can be suppressed on a heat sink.
The present embodiment specifically can be applied to LED, namely a kind of LED radiator.The laminating of the integrated circuit of LED can be arranged on the erecting bed in axle core components 200 centre position.Install 3 fin in each groove structure of axle core components, fin can be called branchial plate.Accessory mounting groove 212 on branchial plate shown in Fig. 2 c, can be used for installing and fixed lens.
In practical application, the external diameter of this LED radiator can be designed as 160mm, is highly 88mm, and the diameter of axle core components can be 60mm.Core components outward flange is evenly distributed with 20 groove structures, the thickness of every sheet branchial plate can be 0.4mm, branchial plate totally 60, installation site (arc length of the occupying) 60*3.14/20=9.42(mm of each groove structure), have enough installation sites as seen by Fig. 2 a.Can obtain according to size, branchial plate flakiness ratio is 50/0.4=125, and the area of dissipation of this radiator reaches 5356cm
2, namely area of dissipation is close to 0.5 square metre.This structure is that existing employing technological process of extruding cannot realize.
The axle core components of the embodiment of the present invention and fin, can by the nonferrous materials manufacture of more than conductive coefficient 200W/mK, such as: aluminium alloy (conductive coefficient is 237W/mK), copper alloy, magnesium alloy etc.
In another embodiment of LED radiator, the external diameter of LED radiator can be designed as 160mm, is highly 88mm, and axle core components diameter is 50mm, installs 4 branchial plates in its each groove structure outer peripheral.Every sheet branchial plate thickness is 0.4mm, and the outward flange of axle core components is processed with 18 groove structures, and branchial plate 72 is sheet altogether.Installation site (arc length of the occupying) 50*3.14/18=8.72(mm of each groove structure).Can obtain according to size, branchial plate flakiness ratio is 55/0.4=137.5, and the area of dissipation of this radiator reaches 6427cm
2, namely area of dissipation is 0.64 square metre.Equally, this structure is that existing employing technological process of extruding cannot realize.
Below, another two kinds of axle core components of the embodiment of the present invention are introduced.
See Fig. 3, the circular in cross-section of this axle core components 300, the installation region of intermediate position is provided with for installing by the mounting groove 302 of the rounded bottom surface of heat dissipation element or circuit, and around mounting groove 302, be provided with 4 louvres 303.The groove structure 301 of this axle core components 300 is the groove structure extended outward by axle core components main body, and this groove structure is evenly distributed in whole outward flanges of axle core components 300.
See Fig. 4, the cross section of this axle core components 400 is rectangle, and the installation region of intermediate position is provided with the rectangle installing hole 402 for installing by heat dissipation element or circuit, and around installing hole 402, be provided with 2 rectangle louvres 403.The groove structure 401 of this axle core components 400 is the groove structure extended outward by axle core components main body, and this groove structure is evenly distributed near by the partial outer edge of heat dissipation element or circuit.
It should be noted that, in actual applications, the cross section of axle core components can need to arrange according to the heat radiation of the electronic product of practical application, and can be regular figure, also can be irregular figure.
Below, another three kinds of fin of the embodiment of the present invention are introduced.
See Fig. 5, this fin 510 have employed the rectangular structure in right angle, and its join domain 511 is parts of fin, in the bottom on a rectangle limit, protrudes from heat sink body, to be installed to by fin in the groove structure of axle core components.The outer peripheral upper and lower end relative with this fin second connecting portion 511 is provided with an accessory mounting groove 512 respectively, for connecting other accessories of electronic product.During practical application, join domain 511 can all be mounted in the groove structure of axle core components, also can part inlay in the groove structure of axle core components.
See Fig. 6, this fin 610 shape such as right-angled trapezium to be cut the structure of right angle portions by circular arc, its join domain 611 is parts of fin, to be installed to by fin on the groove structure of axle core components.The top of this fin 610, at the homonymy of join domain 611, is provided with an accessory mounting groove 512, for connecting other accessories of electronic product.
See Fig. 7, this fin 710 have employed the rectangular structure in right angle, and its join domain 711 is parts of fin, at the middle part on a rectangle limit, protrudes from heat sink body, to be installed to by fin in the groove structure of axle core components.At the homonymy of join domain 611, the upper and lower end of fin 710 is provided with an accessory mounting groove 712, for connecting other accessories of electronic product.
The height of the fin shown in Fig. 5 ~ Fig. 7 is all much larger than the height of axle core components, does like this, and the area of fin is large, better heat-radiation effect.Certainly, less demanding to radiating effect, or to volume requirement must very little when, also the height of fin can be designed to the height being less than or equal to axle core components.
It should be noted that, in practical application, various reinforcement can be suppressed on a heat sink, to improve the rigidity of fin.
The production technology of the radiator of the embodiment of the present invention, for the production of combinations thereof type radiator.See Fig. 8, this production technology comprises the steps:
Step 801, produces described axle core components and multiple independently fin respectively.
In practical application, when producing axle core components, groove structure can be processed into the groove structure extended outward by axle core components main body, or axle core components main body periphery is caved inward formation groove structure, be processed into default shape.That is, groove structure can be outstanding axle core components main body, also can cave in into axle core components main body.
In addition, on the installation region in axle core components centre position, can process installing hole or mounting groove, this installing hole or mounting groove are used for installing by heat dissipation element or circuit.
Can certainly process erecting bed in the installation region in axle core components centre position, this erecting bed is installed by heat dissipation element or circuit for fitting.
Further, in order to improve radiating effect, around installation region, homoaxial one or more louvre with axle core components can also be processed.
In the present embodiment, when producing fin, can sheet metal stamping process be adopted, be processed into default shape.Because fin is stamping parts, be particularly suitable for carrying out various moulding, namely profile can adapt to the requirement of various design, does not also increase manufacturing cost.
Step 802, adopts pressing method, is closely embedded in by the join domain of at least two fin in a groove structure of axle core components, makes each groove structure fixed installation at least two fin of axle core components.
Fin is installed on axle core components by this step exactly.Particularly, the method press-fited can be adopted closely to be mounted in described groove structure by the join domain of at least two fin, make fin and described groove structure form interference fit.
In practical application, can to dispel the heat needs according to reality in the groove structure of axle core components, 2,3,4,5 or more sheets are installed.When heat sink applications is to LED, normally 3 or 4.
Fin in this example is sheet-metal press working part, and its thickness can be 0.2 ~ 1mm, and flakiness ratio is can 50 ~ 300, can pass through pressing method, is closely mounted to by 2-5 fin in each groove structure of described axle core components.In other embodiments, plate is very thin, such as 0.2mm, can adopt the mode of punching press or shearing, manufactures fin.
In addition, press-loading process requires that the thrust applied is enough large.Namely to make the plastic deformation that the compression position generating portion of groove structure is small, to ensure fin and axle core components close contact, reach the effect of interference fit.
Therefore, in order to ensure to clamp quality, when the groove structure of machining shaft core components, the width of the root of groove structure is slightly greater than oral area width, such as: root width is greater than oral area width 0.3 ~ 1mm.
A kind of electronic product that the embodiment of the present invention provides, comprise component to be heated or circuit, also comprise the radiator in above-described embodiment, described component to be heated or circuit, be installed on the installation region of described axle core components, such as: by the installing hole of the installation region of axle core components, mounting groove or erecting bed.
In practical application, described component to be heated or circuit can be: LED light source component or LED integrated circuit.Certainly, also can be other heater elements.Such as: to the CPU, power circuit, resistor, capacitor etc. of some electronic product.
From the above embodiments, the application embodiment of the present invention can obtain following beneficial effect:
1, can radiating effect be increased substantially, effectively alleviate the weight of radiator simultaneously.Compared with prior art, in identical radiating effect situation, lightweight.Fin in the embodiment of the present invention adopts sheet-metal press working part, and thickness is less than 1mm, the thinlyyest can be 0.2mm.The fin producing radiator than prior art extrusion process is much thin.And generous (high thick) of fin, than unrestricted, can reach more than 300 as required, and the flakiness ratio of the fin of the radiator that prior art extrusion process is produced is subject to processing the restriction of condition and Making mold, is generally less than 50.The radiator produced with prior art extrusion process compares, in same area of dissipation situation, and at least loss of weight more than 50%.Under identical heatsink weight and volume situation, increase area of dissipation, enhance radiating effect.
2, raw material are saved.Owing to have employed package assembly, the thickness of its fin is only 1/3 of the fin of the radiator that prior art extrusion process is produced, and raw material need few, material-saving successful.And the height of the axle core components of the radiator of the embodiment of the present invention directly can be processed into the height of needs, does not need as prior art, in order to the needs of satisfied application, also need to adopt machining cut-away separation structure, save raw material further.
3, strong adaptability.The fin of the radiator of the embodiment of the present invention can be stamping parts, and be particularly suitable for carrying out various moulding, namely profile can adapt to the requirement of various design, does not also increase manufacturing cost.Therefore, the radiator of the embodiment of the present invention can be applied to various needs and carries out, on the electronic product of natural heat dissipation, also can be applicable to the situation of forced heat radiation.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a combined radiator, is characterized in that: comprise axle core components and multiple independently fin;
Described axle core components is column structure, and its outward flange is provided with multiple groove structure for installing fin; And the centre position of axle core components is provided with the installation region for installing by heat dissipation element or circuit;
Each fin structure in the form of sheets, it is positioned at the marginal portion be connected with described axle core components and has join domain;
The join domain of at least two fin is closely embedded in a groove structure of axle core components, makes each groove structure fixed installation at least two fin of axle core components.
2. combined radiator according to claim 1, is characterized in that:
The groove structure of described axle core components is the groove structure extended outward by axle core components main body, or axle core components main body periphery cave inward formed groove structure; The groove structure of described axle core components is uniformly distributed in whole outward flanges of described axle core components, or is evenly distributed near by the partial outer edge of heat dissipation element or circuit.
3. combined radiator according to claim 2, is characterized in that:
The length of described groove structure is consistent with the height of axle core components; The width of the root of described groove structure is greater than oral area width 0.3 ~ 1mm;
Described fin is sheet-metal press working part, and thickness is 0.2 ~ 1mm, and flakiness ratio is 50 ~ 300;
When installing fin, the groove structure of described axle core components, has plastic deformation under application of a force, makes the join domain of fin and described groove structure form interference fit;
Each groove structure fixed installation 2-5 fin of described axle core components.
4. combined radiator according to claim 1 and 2, is characterized in that:
The installation region of described axle core components is provided with installing hole or mounting groove, and this installing hole or mounting groove are used for installing by heat dissipation element or circuit; Or the installation region of described axle core components is provided with erecting bed, this erecting bed is installed by heat dissipation element or circuit for fitting; Or around the installation region of described axle core components, be also provided with axle core components homoaxial one or more louvre;
The height of described axle core components, determines according to the requirement of the electronic product of heat sink applications;
The arbitrary shape of the circular in cross-section of described axle core components, ellipse, arbitrary polygon or the design of electronic products according to heat sink applications;
Described fin is in the arbitrary shape according to the design of electronic products of heat sink applications.
5. combined radiator according to claim 1 and 2, is characterized in that: described fin edges, is provided with one or more accessory mounting groove; The position of described accessory mounting groove and quantity, determine according to the accessory installation requirement of the electronic product of heat sink applications;
Described axle core components and fin, by the nonferrous materials manufacture of more than conductive coefficient 200W/mK.
6. a radiator production technology, is characterized in that: for the production of combined radiator according to claim 1, comprise the steps:
Produce described axle core components and multiple independently fin respectively;
Adopt pressing method, the join domain of at least two fin is closely embedded in a groove structure of axle core components, make each groove structure fixed installation at least two fin of axle core components.
7. production technology according to claim 6, is characterized in that:
When producing axle core components, described groove structure is extended outward by axle core components main body, or make axle core components main body periphery cave inward formed described groove structure, the width of the root of described groove structure is machined to and is greater than oral area width 0.3 ~ 1mm, be processed into default shape;
When producing fin, adopting sheet metal stamping process, being processed into default shape;
Described when the join domain of at least two fin being closely embedded in a groove structure of axle core components, when press-fiting, the groove structure of described axle core components has plastic deformation under application of a force, makes the join domain of fin and described groove structure form interference fit.
8. the production technology according to claim 6 or 7, is characterized in that:
When producing axle core components, process installing hole or mounting groove in the installation region of described axle core components, this installing hole or mounting groove are used for installing by heat dissipation element or circuit;
Or when producing axle core components, processing erecting bed in the installation region of described axle core components, this erecting bed is installed by heat dissipation element or circuit for fitting;
Or when producing axle core components, around described installation region, process homoaxial one or more louvre with axle core components.
9. an electronic product, comprises component to be heated or circuit, it is characterized in that: also comprise the combined radiator described in any one of claim 1-5;
Described component to be heated or circuit, be installed on the installation region of described axle core components.
10. electronic product according to claim 9, is characterized in that, described component to be heated or circuit are: LED light source component or LED integrated circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310283725.1A CN104284555A (en) | 2013-07-08 | 2013-07-08 | Combined radiator, production technology thereof and electronic product |
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| CN201310283725.1A CN104284555A (en) | 2013-07-08 | 2013-07-08 | Combined radiator, production technology thereof and electronic product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605632A (en) * | 2020-12-28 | 2021-04-06 | 长春希达电子技术有限公司 | Method for manufacturing radiator through external pressure interference assembly |
| CN113618338A (en) * | 2018-02-05 | 2021-11-09 | Oppo广东移动通信有限公司 | Middle frame assembly, middle frame assembly machining method and electronic device |
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2013
- 2013-07-08 CN CN201310283725.1A patent/CN104284555A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618338A (en) * | 2018-02-05 | 2021-11-09 | Oppo广东移动通信有限公司 | Middle frame assembly, middle frame assembly machining method and electronic device |
| CN113618338B (en) * | 2018-02-05 | 2023-08-11 | Oppo广东移动通信有限公司 | Middle frame assembly, middle frame assembly processing method and electronic device |
| CN112605632A (en) * | 2020-12-28 | 2021-04-06 | 长春希达电子技术有限公司 | Method for manufacturing radiator through external pressure interference assembly |
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