CN201628199U - Heat-dissipation structure and lamp therewith - Google Patents
Heat-dissipation structure and lamp therewith Download PDFInfo
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- CN201628199U CN201628199U CN2010201259862U CN201020125986U CN201628199U CN 201628199 U CN201628199 U CN 201628199U CN 2010201259862 U CN2010201259862 U CN 2010201259862U CN 201020125986 U CN201020125986 U CN 201020125986U CN 201628199 U CN201628199 U CN 201628199U
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Abstract
The utility model discloses a heat-dissipation structure, comprising a plurality of heat-dissipation fins, and a heat-conducting plate; a plurality of the heat-dissipation fins are connected serially at interval in a radiating way, and a hollow channel is formed at the central position, and a presetting distance is expanded outwards at the circumferential edge position of the hollow channel above the heat-dissipation fins to form a concave stepped shape; the heat-conducting plate is provided with at last one run-through hole which is communicated with the hollow channel, and the whole lower surface of the heat-conducting plate can be directly and flatly attached to the whole upper surface in the concave step; a plurality of second buckling ends are arranged on the heat-conducting plate and correspond to a plurality of first bucking ends arranged on the heat-dissipation fins, and the first buckling ends are fixedly clamped on the second buckling ends by a press-fitting mould, so as to further lead a plurality of the heat-dissipation fins to be combined to the heat-conducting plate with fixed distance.
Description
Technical field
The utility model relates to a kind of light fixture with fin type radiator structure, refers to that especially the outer rim of a kind of LED of utilization (LightEmitting Diodes) light-emittingdiode is provided with a plurality of radiating fins, the light-emitting diode lamp that the heat that it produced can be discharged rapidly.
Background technology
The not only high and heating easily of power consumption of general various on the market 110 volts the halogen projection lamp that sells, relative service life is also very short, has only short some months average life, in the surging age of this electricity price, not only very not environmental protection and high heat that it distributed also to cause that electric wire cocks off easily etc. dangerous unexpected.
See also shown in Figure 1ly, Fig. 1 is the schematic appearance of LED projection lamp commonly used.Wherein, this LED projection lamp 1 commonly used mainly is made up of shell 11, voltage conversion unit 12 and LED unit 13.This LED unit 13 and voltage conversion unit 12 are located in this metal shell 11.Rely on this voltage conversion unit 12 originally 110 volts alternating current the direct current that can provide LED unit 13 to use is provided to, make the LED unit 13 can be luminous and reach the projection effect.
Based on aforementioned LED projection lamp 1 structure commonly used, though have the effect of power saving environmental protection compared to traditional halogen projection lamp, same, the problem of using LED unit 13 also to have heat radiation exists.Because reach the effect of single-point projection, the brightness that this LED unit 13 itself will acquire a certain degree, though the progress of science and technology is quick now, also in the middle of constantly promoting, same also can run into identical heat dissipation problem in the brightness of this LED unit 13.Especially LED unit 13 is compared to traditional halogen projection lamp, its heat-resisting degree is lower, in case and temperature is when surpassing it and allowing setting value, the phenomenon that the brightness that this LED unit 13 produced will decay and can't getting a desired effect, even reduce its normal service life.
Even so, LED projection lamp 1 structure commonly used does not have any reinforcement part on radiator structure, therefore, and the heat that is produced when doing for LED unit 13, can only rely on metal shell 11 slowly to loose to aerial, radiating effect can be described as suitable undesirable.Therefore at present such LED projection lamp 1 commonly used only can use 1 watt LED unit 13 at most, causes its brightness that can provide to be subjected to certain limit, and can't effectively promote and replace traditional halogen projection lamp.Make traditional halogen projection lamp of high power consumption, high heating still occupy a certain proportion of market always, cause considerable energy waste.
Summary of the invention
Main purpose of the present utility model is to provide a kind of radiator structure, wherein, relies on a conducting strip with fixing between a plurality of radiating fins of radiator structure and interval one predeterminable range, to reach the purpose of guaranteeing radiating efficiency.
Another purpose of the present utility model, be to provide a kind of light fixture with radiator structure, its rely on this conducting strip with impact style with a plurality of radiating fins around being fixed on this conducting strip, do not need to use in addition tin cream (weldering) and aluminium cream to give combination, reach and make the more optimal purpose of follow-up surface treatment through the mode that the tin stove binds processing procedure or gluing.
Another purpose of the present utility model is to provide a kind of light fixture with radiator structure, and it relies on the radiating fin of this radiator structure that the LED unit is quickened heat radiation, to reach the purpose in the life-span that increases its light fixture.
In order to achieve the above object, the utility model is to provide a kind of radiator structure, and it comprises:
A plurality of radiating fins are radial interval annular serial connection, and form a hollow channel in centre, and expand a predeterminable range outward to form recessed rank in this hollow channel peripheral region of this radiating fin top; On each radiating fin, be respectively arranged with one first buckling end; And
One heat-conducting plate which is provided with at least one through hole and is connected with this hollow channel, makes on the direct smooth entire upper surface in these recessed rank of whole lower surface of this heat-conducting plate; Be provided with a plurality of second buckling ends in this heat-conducting plate, each second buckling end respectively with these a plurality of radiating fins in a wherein radiating fin on set first buckling end corresponding, utilize a pressing mold that this first buckling end is fastened on second buckling end, further make a plurality of radiating fins be incorporated on this heat-conducting plate with fixing spacing.
Described radiator structure wherein, more comprises a spacer and a ring jacket; This spacer is arranged in the card rank of below of this radiating fin and is corresponding with this heat-conducting plate, and a plurality of radiating fins of annular serial connection is fixed this ring jacket the periphery, top of a plurality of radiating fins is given also corral of frame cover; This first buckling end is riveting in the peripheral region of this second buckling end of this heat-conducting plate.
Described radiator structure, wherein, this first buckling end is punching press and bend a stiff end of protrusion in this recessed rank on formed this recessed rank upper surface of a plurality of these radiating fins; This second buckling end is a plurality of perforates and through the upper and lower surface of this heat-conducting plate, and corresponding with a top of this stiff end respectively; This stiff end of difference punching press and the upper surface in these recessed rank keep a default angle of inclination on this radiating fin, and this top that makes this stiff end after utilizing a pressing mold that this stiff end is bent via this perforate is pressed on a side of this perforate, further makes a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing.
Described radiator structure, wherein, the default angle of inclination of the upper surface on this stiff end and these recessed rank is between 45 °～80 °; And, this side thickness in this perforate of this heat-conducting plate upper surface more is provided with a jumping, to form the thickness that this perforate part peripheral region has a drop, this stiff end bending and card are invested in this side of this perforate institute jumping, make this stiff end bending back and upper surface in these recessed rank be same plane, cause the lower surface of this heat-conducting plate more to be obedient on the upper surface in these recessed rank.
Described radiator structure, wherein, this stiff end is by the orthographic projection horizontal range at bending place to this top this perforate maximum inner diameter distance greater than this heat-conducting plate, and this perforate maximum inner diameter distance of this heat-conducting plate is greater than the orthographic projection horizontal breadth distance at this top of this stiff end; And, this stiff end by the orthographic projection horizontal range ratio of this top thickness of the orthographic projection horizontal range at bending place to this stiff end top and this stiff end between 3 to 1.5; The center of this set perforate is corresponding to this top of this stiff end on this heat-conducting plate, and the part periphery of this perforate is in alignment with on this stiff end and be no more than the bending of this stiff end on this recessed rank upper surface.
Described radiator structure, wherein, this first buckling end is a perforation that is stamped out on formed this recessed scalariform upper surface of a plurality of these radiating fins; This second buckling end is positioned at this heat-conducting plate periphery and is covered on this perforation; Utilize a pressing mold that this second buckling end is riveting within this perforation, further make a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing.
Described radiator structure, wherein, on average be provided with a plurality of otch in this perforation peripheral region, when making this pressing mold be riveting in this heat-conducting plate in this perforation, further this heat-conducting plate is caused the material local deformation via this pressing mold and be stamped within this perforation, make this otch of this perforation peripheral region give crimp, make in tightr this perforation that is riveting in this radiating fin of this heat-conducting plate.
The present invention also provides a kind of light fixture with radiator structure, and it comprises:
One radiator structure, it more includes: a plurality of radiating fins and a heat-conducting plate; These a plurality of radiating fins are radial interval annular serial connection, and form a hollow channel in centre, and expand a predeterminable range outward to form recessed rank in this hollow channel peripheral region of this radiating fin top; This heat-conducting plate is provided with at least one through hole and is connected with this hollow channel, makes on the direct smooth entire upper surface in these recessed rank of whole lower surface of this heat-conducting plate;
One spacer, be arranged at this radiating fin the below one the card rank in and corresponding with this heat-conducting plate;
At least one LED unit;
One substrate, it provides this LED unit combination thereon, and be arranged in these formed these recessed rank of radiating fin central authorities, and be incorporated on this heat-conducting plate, the heat that this LED unit is produced can be passed on this heat-conducting plate by this substrate, and rely on this heat-conducting plate that heat is discharged in the external world by this radiator structure that a plurality of radiating fin constituted that its surface contacted, prolong the service life of LED unit;
One transparent cover body, it is positioned at these recessed rank of these radiator structure central authorities and is covered on this LED unit;
One ring jacket, its periphery, top with this radiator structure give frame cover and corral;
One base, it is a hollow housing, is provided with an opening in the top, with this spacer around this radiating fin interfix;
One circuit board comprises a circuit loop at least, and it is arranged in this base, and electrically connects with the LED unit that institute on this substrate combines by this through hole on this heat-conducting plate; On formed this recessed rank upper surface of a plurality of these radiating fins toward this in recessed rank punching press and bending protrude a stiff end, and be provided with the upper and lower surface of a plurality of perforates, and corresponding with a top of this stiff end respectively through this heat-conducting plate in this heat-conducting plate; This stiff end keeps a default angle of inclination with the upper surface on these recessed rank, make this top of this stiff end be pressed on a side of this perforate after utilizing a pressing mold that this stiff end is bent via this perforate, further make a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing; And
One power supply shell, this power supply shell is incorporated on this base, and is provided with conduction screw thread and this circuit board electrically connects outside this power supply shell.
Described light fixture with radiator structure, wherein, this first buckling end is punching press and bend a stiff end of protrusion in this recessed rank on formed this recessed rank upper surface of a plurality of these radiating fins; This second buckling end is a plurality of perforates and through the upper and lower surface of this heat-conducting plate, and corresponding with a top of this stiff end respectively; On this radiating fin, distinguish this stiff end system of punching press and the upper surface in these recessed rank and keep a default angle of inclination, and this top that makes this stiff end after utilizing a pressing mold that this stiff end is bent via this perforate is pressed on a side of this perforate, further makes a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing.
Described light fixture with radiator structure, wherein, this first buckling end is a perforation that is stamped out on formed this recessed scalariform upper surface of a plurality of these radiating fins; This second buckling end is positioned at this heat-conducting plate periphery and is riveting within this perforation; Wherein, on average be provided with a plurality of otch, cause the material local deformation when making riveted and be stamped within this perforation, make this otch of this perforation peripheral region give crimp, make in tightr this perforation that is riveting in this radiating fin of this heat-conducting plate in this perforation peripheral region.
The beneficial effects of the utility model are, rely on a conducting strip with fixing between a plurality of radiating fins of radiator structure and interval one predeterminable range, to reach the purpose of guaranteeing radiating efficiency; Rely on this conducting strip with impact style with a plurality of radiating fins around being fixed on this conducting strip, do not need to use in addition tin cream (weldering) and aluminium cream to give combination through the mode of tin stove bonding processing procedure or gluing, reach and make the more optimal purpose of follow-up surface treatment; Rely on the radiating fin of this radiator structure that the LED unit is quickened heat radiation, to reach the purpose in the life-span that increases its light fixture.
Description of drawings
Fig. 1 is the schematic appearance of LED projection lamp commonly used;
Fig. 2 is the three-dimensional exploded view that the utlity model has light fixture first preferred embodiment of radiator structure;
Fig. 3 is the radiator structure part perspective exploded view that the utlity model has light fixture first preferred embodiment of radiator structure;
Fig. 4 is the section combination schematic diagram that the utlity model has light fixture first preferred embodiment of radiator structure;
Fig. 5 is the section decomposing schematic representation that the utlity model has light fixture first preferred embodiment of radiator structure;
Fig. 6 is the radiator structure vertical view that the utlity model has light fixture first preferred embodiment of radiator structure;
Fig. 7 is heat-conducting plate and the radiating fin cut-away section schematic diagram that the utlity model has light fixture first preferred embodiment of radiator structure;
Fig. 8 A-Fig. 8 C is heat-conducting plate and the radiating fin cut-away section combination action schematic diagram that the utlity model has light fixture first preferred embodiment of radiator structure;
Fig. 9 is the radiator structure part perspective exploded view that the utlity model has light fixture second preferred embodiment of radiator structure;
Figure 10 A-Figure 10 B is heat-conducting plate and the radiating fin cut-away section combination action schematic diagram that the utlity model has light fixture second preferred embodiment of radiator structure.
The LED projection lamp that description of reference numerals: 1-is commonly used; The 11-shell; The 12-voltage conversion unit; The 13-LED unit; 2,2a-has the light fixture of this radiator structure; 21,21a-radiator structure; 211,211a-radiating fin; The 2111-hollow channel; 2112, the recessed rank of 2112a-; 2113,2113a-clinch; 2114,2114a-first buckling end; The 21141-top; The 21142-bending place; The 21143-inclined plane; The 21144a-otch; The 2115-kink; 2116-card rank; The bending of 2117-arc; 212,212a-heat-conducting plate; The 2121-through hole; 2122,2122a-upper surface; 2123,2123a-lower surface; 2124,2124a-second buckling end; The 21241-side; The 213-spacer; The 22-LED unit; The 23-substrate; The 24-transparent cover body; The 25-ring jacket; The 26-base; The 261-arc opening; The 27-circuit board; 28-power supply shell; 281-conducts electricity screw thread; 7,7a-pressing mold; The 71a-mold; The 711a-salient point; The 72a-bed die; The 721a-groove; The 8-diel; The 81-salient point.
The specific embodiment
For can more clearly describe the utility model radiator structure that is proposed and light fixture, below will cooperate graphic detailed description with this radiator structure.
See also Fig. 2, Fig. 3, shown in Figure 4, wherein, the light fixture 2 with radiator structure includes: a radiator structure 21, at least one LED unit 22, a substrate 23, a transparent cover body 24, a ring jacket 25, a base 26, a circuit board 27 and a power supply shell 28 combine.This radiator structure 21 more includes: a plurality of radiating fins 211, a heat-conducting plate 212 and a spacer 213.
This radiator structure 21 relies on a plurality of radiating fins 211 to be radial interval annular serial connection, and form a hollow channel 2111 in centre, and be positioned at these hollow channel 2111 peripheral regions that these radiator structure 21 tops just are positioned at these radiating fin 211 tops and expand a predeterminable range outward, make this heat-conducting plate 212 be arranged at this radiating fin 211 around in the serial connection formed one recessed rank 2112, make this heat-conducting plate 212 can directly smooth entire upper surface in these recessed rank 2112 on.
The clinch 2113 that these recessed rank 2112 bend in horizontal direction by this radiating fin 211 is connected in series mutually and is formed.Just be provided with a kink 2115 that bends with this clinch 2113 equidirectional levels in these clinch 2113 opposite side places in this place, radiator structure 21 belows, make this radiating fin 211 form card rank 2116, to provide in this spacer 213 is fixed in through annular these radiator structure 21 belows in serial connection season.
This heat-conducting plate 212 which is provided with at least one through hole 2121 upper surface 2122 and a lower surface 2123 through this heat-conducting plate 212, this through hole 2121 is connected with this hollow channel 2111, more be provided with a plurality of second buckling ends 2124 in this heat-conducting plate 212, corresponding with a plurality of first buckling ends 2114 set on this radiating fin 211, and utilize a pressing mold 7 (to be shown in Fig. 8 A in addition, Fig. 8 B) this first buckling end 2114 is pressed on second buckling end 2124, further makes a plurality of radiating fins 211 be incorporated on this heat-conducting plate 212 with fixing spacing.In the utility model first preferred embodiment, the peripheral diameter D of this heat-conducting plate 212 peripheral diameter D roughly the same with recessed rank 2112 inner diameter d or heat-conducting plate 212 is more smaller than recessed rank 2112 inner diameter d.
That is to say, rely on this clinch 2113 that bigger heat-conducting area is provided, these clinch 2113 quick vertical transmissions that heat is contacted by this heat-conducting plates 212 of this substrate 23 belows are to this spacer 213, further with heat levels heat conduction to this radiating fin 211.In addition, more can set up the arc bending 2117 of strip in more than 21 these radiating fin 211 peripheral edge predetermined position of this radiator structure, this arc bending 2117 roughly extends to the appropriate position, below of this radiator structure 21, so that the user to be provided more convenient and safe gripping, more increase the intensity of this radiating fin 211 simultaneously.
This spacer 213 is arranged in this card rank 2116 of below of this radiating fin 211 and is corresponding with this heat-conducting plate 212, and a plurality of radiating fins 211 of annular serial connection are fixed.Wherein, the material of this heat-conducting plate 212, radiating fin 211 and spacer 213 can be respectively that one of them is made with metal or alloy such as the preferable iron of thermal conductivity, copper, aluminium, silver and gold.
This substrate 23 can be a metal material, to provide these LED unit 22 combinations thereon, and be arranged in these formed these recessed rank 2112 of radiating fin 211 central authorities, and in conjunction with smooth on the upper surface 2113 of this heat-conducting plate 212, be passed on this radiator structure 21 by the heat of this heat-conducting plate 212, further utilize this radiating fin 211 that heat is interspersed among in the air this LED unit 22.
This transparent cover body 24 is arranged in these recessed rank 2112 of these radiator structure 21 central authorities, and it is corresponding with this LED unit 22 in these recessed rank 2112, further the light source that this LED unit 22 is throwed is concentrated and optically focused, and projects towards the external world via this transparent cover body 24.This transparent cover body 24 can be convex lens, concavees lens, level crossing and diffuser plate one of them.
This ring jacket 25 gives frame cover and corral with the periphery, top of a plurality of radiating fins 211 of this radiator structure 21.This ring jacket 25 more can provide the user in changing or being gripped on these ring jacket 25 places during assembling and unlikely sharpened edge by this radiating fin 211 is hindered; and more can provide the user that application of force place is easily arranged by this ring jacket 25; reach the intensity that increases this radiator structure 21 simultaneously, be not subjected to the impact of external force and be out of shape displacement to protect this radiating fin 211.
This base 26 is a hollow housing, and the bottom that its top is provided with an arc opening 261 and this radiator structure 21 just this radiating fin 211 of combining of 213 of this stators interfixes.This circuit board 27 comprises a circuit loop at least, and it is arranged in this base 26, and electrically connects with a plurality of LED unit 22 that institute on this substrate 23 combines by this through hole 2121 on this heat-conducting plate 212.
This power supply shell 28 is incorporated into the relative other end of this arc opening 261 of this base 26, and being provided with a conduction screw thread 281 outside this power supply shell 28 electrically connects with this circuit board 27, the power supply that uses this conduction screw thread 281 and the external world to import electrically connects, and 110 or 220 volts alternating voltage of external world's input can be converted to be fit to the DC voltage that this LED unit 22 operates.
In the utility model first preferred embodiment, this base 26 and power supply shell 28 constitute the specification of the metal spiral adapter that meets general common traditional osram lamp, its kind roughly has: different specifications such as E10, E12, E14, E17, E27, E40, in the numeral of letter e back herein is the diameter (for example the family expenses bulb is generally the E27 specification, that is to say that the screw thread place diameter of the metal spiral adapter of bulb is 27mm=2.7cm) of metal spiral adapter.
In other words, this heat-conducting plate 212 not only utilizes this pressing mold 7 that this radiating fin 211 is fixed on this heat-conducting plate 212, and more accurately the gap of two radiating fins 211 is fixed simultaneously, need not be fixed on the hollow axle center by modes such as aluminium cream, welding or gummeds again, and can not produce poor plating when this radiator structure 21 carries out surperficial anode or electroplating processes yet or jump the phenomenon of plating, make overall appearance more with consistency.
In addition, the heat that this LED unit 22 is produced all can directly and fast be passed on this heat-conducting plate 212 by this substrate 23, and utilizes this heat-conducting plate 212 that heat is discharged in the external world by this radiator structure 21 that a plurality of radiating fins 211 that its surface contacted are constituted.That is to say, the heat that this LED unit 22 is produced is distributed among atmosphere by the space at institute of two radiating fins 211 central authorities interval.
See also Fig. 5, shown in Figure 6, wherein, in the utility model first preferred embodiment, this heat-conducting plate 212 is substantially equal to the inner diameter d on these recessed rank 2112 for sheet metal and this heat-conducting plate 212 peripheral diameter D, and this first buckling end 2114 is punching presses and bending are protruded in should recessed rank 2112 on a plurality of these radiating fin 211 formed this recessed rank 2112 a stiff end (following be somebody's turn to do " first buckling end " all replaces and what claim is " stiff end "); In other words, these clinch 2113 parts with this radiating fin 211 stamp out this stiff end 2114 in these recessed rank 2112 respectively, and a plurality of these stiff ends 2114 are the center with this radiator structure 21 all with the angle opening part of this clinch 2113, and to arrange clockwise or counterclockwise.
See also shown in Figure 7ly, this stiff end 2114 and this clinch 2113 default tilt angle theta are between 45 °～80 °.This stiff end 2114 by the orthographic projection horizontal distance W 1 at a bending place 21142 to this top 21141 on this clinch 2113 greater than this second buckling end of this heat-conducting plate 212 (following also be called perforate) 2124 maximum inner diameter distance W 2, and more greater than the orthographic projection horizontal breadth distance W 3 at this top 21141 of this stiff end 2114.Wherein, W1＞W2＞W3.And stiff end 2114 is by orthographic projection horizontal distance W 3 ratios (3＞=W1/W3＞=1.5 just) between 3 to 1.5 of top 21141 thickness of the orthographic projection horizontal distance W 1 at bending place 21142 to top 21141 and this stiff end 2114.
This second buckling end 2124 is for a plurality of perforates (following should " second buckling end " all replace and be referred to as " perforate ") and through this upper surface 2122 and the lower surface 2123 of this heat-conducting plate 212, and corresponding with a top 21141 of this stiff end 2114 respectively.This perforate 2124 circular array on this heat-conducting plate 212 distributes, and the quantity of this perforate 2124 is roughly identical with these stiff end 2114 quantity, and the center rough alignment of this perforate 2124 is in these 21141 centers, top of this stiff end 2114, and the part peripheral region of this perforate 2124 is in alignment with on the inclined plane 21143 of this stiff end 2114 and be no more than the bending place 21142 of this stiff end 2114 on this clinch 2113.
See also shown in Fig. 8 A～Fig. 8 C, wherein, these perforate 2,124 one sides 21241 that will be positioned at these heat-conducting plate 212 upper surfaces 2122 in the mode of fulling via machining give jumping and have the thickness of a drop apart from t to form these perforate 2124 part peripheral regions, further utilize a pressing mold 7 to make this perforate 2124 inner edges one side on this heat-conducting plate 212 force this stiff end 2114 to carry out bending along this inclined plane 21143 of this stiff end 2114 toward these clinch 2113 directions, 2114 bendings of this stiff end and card are invested in this side 21241 of 2124 jumpings of this perforate, just these stiff end 2114 cartoons are crossed drop that these pressing mold 7 punching presses produce in these side 21241 places of this perforate 2124 apart from t among (shown in Fig. 8 B).
The 2114 bending punching presses of this stiff end to this side 21241 of 2124 jumpings of this perforate after, upper surface in this inclined plane 21143 of this stiff end 2114 and this recessed rank 2112 just this clinch 2113 roughly is same plane, cause this lower surface 2123 of this heat-conducting plate 212 more to be obedient on this clinch 2113, make this clinch 2113 of a plurality of radiating fins 211 all fit more closely with this heat-conducting plate 212, its thermal conductivity is significantly improved, be fixed on this heat-conducting plate 212 with fixing spacing with seasonal a plurality of radiating fins 211.
In addition, shown in Fig. 8 C, more can further utilize a plurality of salient points 81 that extended in the diel 8 and carry out punching press on this inclined plane 21143 at this stiff end 2114 respectively, this buckling end 2114 is seen through within this side 21241 of this perforate 2124 that this salient point 81 in this diel 8 is riveting in this heat-conducting plate 212, make a plurality of radiating fins 211 more can rely on this stiff end 2114 and these heat-conducting plate 212 tight riveteds.
In other preferred embodiments of the utility model of the following stated, because of the element of major part the same as or similar to previous embodiment, so components identical and will repeating no more below the structure, and components identical will directly give identical title and numbering, and for similar elements then give same names but after former numbering, increase in addition an English alphabet as a means of the difference and will not give unnecessary details, close chat earlier bright.
See also Fig. 9, shown in Figure 10 A～Figure 10 B, wherein, the utility model second preferred embodiment is different with aforesaid first preferred embodiment be in, this first buckling end 2114a of this radiator structure 21a is the perforation that stamped out on formed this clinch of a plurality of this radiating fin 211a 2113a (following should " first buckling end " all replace and what claims is " perforation "), and this second buckling end 2124a is this upper surface 2122a peripheral region of this heat-conducting plate 212a at this, and be covered on this perforation 2114a, at least be provided with this otch of multiple tracks 21144a in this perforation 2114a peripheral region, and be evenly distributed in a plurality of this perforation 2114a peripheral regions.
By a pressing mold 7a this second buckling end 2124a (this upper surface 2122a peripheral region of heat-conducting plate 212a just) is riveting within this perforation 2114a, make this perforation 2114a be subjected to pushing bending after the punching press simultaneously because of a plurality of otch 21144a of periphery setting, force this heat-conducting plate 212a to be riveting among this recessed rank 2112a of this heat radiation module 21a by a plurality of this perforation 2114a by this otch 2144a punching press distortion, and then make a plurality of radiating fin 211a be fixed on this heat-conducting plate 212a with fixing spacing, this lower surface 2123a of this heat-conducting plate 212a more can be close on upward set this clinch 2113a of this radiating fin 211a.
Hold above-mentionedly, this pressing mold 7a more comprises: a mold 71a and a bed die 72a.This mold 71a extends a plurality of salient point 711a, and it is corresponding with a plurality of groove 721a on this bed die 72a respectively, this mold 71a is positioned at this upper surface 2122a top place of this heat-conducting plate 212a, and corresponding with this groove 721a of this bed die 72a of this perforation 2114a below.When this mold 71a and this bed die 72a are laminated, further make a plurality of salient point 711a of this mold 71a be pressure bonded in a plurality of groove 721a of this bed die 72a.
In the utility model second preferred embodiment, when this pressing mold 7a is riveting in this heat-conducting plate 212a in this perforation 2114a, and then this heat-conducting plate 212a caused the material local deformation via a plurality of salient point 711a and be stamped within this perforation 2114a, this otch 21144a that makes this perforation 2114a peripheral region is out of shape after via punching press, makes in tightr this perforation 2114a that is riveting in this radiating fin 211a of this heat-conducting plate 212a.In addition, be provided with the preferred number of this otch 21144a and position can be respectively with this perforation 2114a be the center and along this perforation 2114a peripheral region on average be provided with at least 3 road otch 21144a or 4 road otch 21144a one of them; Certainly, above this otch 21144a in 3 roads can also be set in the peripheral region of this perforation 2114a.
But only above-described embodiment shall not be applied to restriction range of application of the present utility model, and the scope that protection domain of the present utility model should be included with claim content institute's definition techniques spirit of the present utility model and impartial variation thereof is main person.Promptly the equalization of being done according to the utility model claim generally changes and modifies, and will not lose main idea of the present utility model place, does not also break away from spirit and scope of the present utility model, and the former capital should be considered as further enforcement situation of the present utility model.
Claims (10)
1. a radiator structure is characterized in that, comprising:
A plurality of radiating fins are radial interval annular serial connection, and form a hollow channel in centre, and expand a predeterminable range outward to form recessed rank in this hollow channel peripheral region of this radiating fin top; On each radiating fin, be respectively arranged with one first buckling end; And
One heat-conducting plate which is provided with at least one through hole and is connected with this hollow channel, makes on the direct smooth entire upper surface in these recessed rank of whole lower surface of this heat-conducting plate; Be provided with a plurality of second buckling ends in this heat-conducting plate, each second buckling end respectively with these a plurality of radiating fins in a wherein radiating fin on set first buckling end corresponding, utilize a pressing mold that this first buckling end is fastened on second buckling end, further make a plurality of radiating fins be incorporated on this heat-conducting plate with fixing spacing.
2. radiator structure as claimed in claim 1 is characterized in that, more comprises a spacer and a ring jacket; This spacer is arranged in the card rank of below of this radiating fin and is corresponding with this heat-conducting plate, and a plurality of radiating fins of annular serial connection is fixed this ring jacket the periphery, top of a plurality of radiating fins is given also corral of frame cover; This first buckling end is riveting in the peripheral region of this second buckling end of this heat-conducting plate.
3. radiator structure as claimed in claim 1 is characterized in that, this first buckling end is punching press and bend a stiff end of protrusion in this recessed rank on formed this recessed rank upper surface of a plurality of these radiating fins; This second buckling end is a plurality of perforates and through the upper and lower surface of this heat-conducting plate, and corresponding with a top of this stiff end respectively; This stiff end of difference punching press and the upper surface in these recessed rank keep a default angle of inclination on this radiating fin, and this top that makes this stiff end after utilizing a pressing mold that this stiff end is bent via this perforate is pressed on a side of this perforate, further makes a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing.
4. radiator structure as claimed in claim 3 is characterized in that, the default angle of inclination of the upper surface on this stiff end and these recessed rank is between 45 °～80 °; And, this side thickness in this perforate of this heat-conducting plate upper surface more is provided with a jumping, to form the thickness that this perforate part peripheral region has a drop, this stiff end bending and card are invested in this side of this perforate institute jumping, make this stiff end bending back and upper surface in these recessed rank be same plane, cause the lower surface of this heat-conducting plate more to be obedient on the upper surface in these recessed rank.
5. radiator structure as claimed in claim 3, it is characterized in that, this stiff end is by the orthographic projection horizontal range at bending place to this top this perforate maximum inner diameter distance greater than this heat-conducting plate, and this perforate maximum inner diameter distance of this heat-conducting plate is greater than the orthographic projection horizontal breadth distance at this top of this stiff end; And, this stiff end by the orthographic projection horizontal range ratio of this top thickness of the orthographic projection horizontal range at bending place to this stiff end top and this stiff end between 3 to 1.5; The center of this set perforate is corresponding to this top of this stiff end on this heat-conducting plate, and the part periphery of this perforate is in alignment with on this stiff end and be no more than the bending of this stiff end on this recessed rank upper surface.
6. radiator structure as claimed in claim 1 is characterized in that, this first buckling end is a perforation that is stamped out on formed this recessed scalariform upper surface of a plurality of these radiating fins; This second buckling end is positioned at this heat-conducting plate periphery and is covered on this perforation; Utilize a pressing mold that this second buckling end is riveting within this perforation, further make a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing.
7. radiator structure as claimed in claim 6, it is characterized in that, on average be provided with a plurality of otch in this perforation peripheral region, make this pressing mold that this heat-conducting plate is riveting in this perforation, further this heat-conducting plate is caused the material local deformation via this pressing mold and be stamped within this perforation, make this otch of this perforation peripheral region give crimp, make in tightr this perforation that is riveting in this radiating fin of this heat-conducting plate.
8. the light fixture with radiator structure is characterized in that, comprising:
One radiator structure, it more includes: a plurality of radiating fins and a heat-conducting plate; These a plurality of radiating fins are radial interval annular serial connection, and form a hollow channel in centre, and expand a predeterminable range outward to form recessed rank in this hollow channel peripheral region of this radiating fin top; This heat-conducting plate is provided with at least one through hole and is connected with this hollow channel, makes on the direct smooth entire upper surface in these recessed rank of whole lower surface of this heat-conducting plate;
One spacer, be arranged at this radiating fin the below one the card rank in and corresponding with this heat-conducting plate;
At least one LED unit;
One substrate, it provides this LED unit combination thereon, and is arranged in these formed these recessed rank of radiating fin central authorities, and is incorporated on this heat-conducting plate;
One transparent cover body, it is positioned at these recessed rank of these radiator structure central authorities and is covered on this LED unit;
One ring jacket, its periphery, top with this radiator structure give frame cover and corral;
One base, it is a hollow housing, is provided with an opening in the top, with this spacer around this radiating fin interfix; And
One circuit board comprises a circuit loop at least, and it is arranged in this base, and electrically connects with the LED unit that institute on this substrate combines by this through hole on this heat-conducting plate; On formed this recessed rank upper surface of a plurality of these radiating fins toward this in recessed rank punching press and bending protrude a stiff end, and be provided with the upper and lower surface of a plurality of perforates, and corresponding with a top of this stiff end respectively through this heat-conducting plate in this heat-conducting plate; This stiff end keeps a default angle of inclination with the upper surface on these recessed rank, make this top of this stiff end be pressed on a side of this perforate after utilizing a pressing mold that this stiff end is bent via this perforate, further make a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing.
9. the light fixture with radiator structure as claimed in claim 8 is characterized in that, this first buckling end is punching press and bend a stiff end of protrusion in this recessed rank on formed this recessed rank upper surface of a plurality of these radiating fins; This second buckling end is a plurality of perforates and through the upper and lower surface of this heat-conducting plate, and corresponding with a top of this stiff end respectively; On this radiating fin, distinguish this stiff end system of punching press and the upper surface in these recessed rank and keep a default angle of inclination, and this top that makes this stiff end after utilizing a pressing mold that this stiff end is bent via this perforate is pressed on a side of this perforate, further makes a plurality of radiating fins be fixed on this heat-conducting plate with fixing spacing.
10. the light fixture with radiator structure as claimed in claim 8 is characterized in that, this first buckling end is a perforation that is stamped out on formed this recessed scalariform upper surface of a plurality of these radiating fins; This second buckling end is positioned at this heat-conducting plate periphery and is riveting within this perforation; Wherein, on average be provided with a plurality of otch, cause the material local deformation when making riveted and be stamped within this perforation, make this otch of this perforation peripheral region give crimp, make in tightr this perforation that is riveting in this radiating fin of this heat-conducting plate in this perforation peripheral region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201259862U CN201628199U (en) | 2010-02-25 | 2010-02-25 | Heat-dissipation structure and lamp therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201259862U CN201628199U (en) | 2010-02-25 | 2010-02-25 | Heat-dissipation structure and lamp therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201628199U true CN201628199U (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201259862U Expired - Fee Related CN201628199U (en) | 2010-02-25 | 2010-02-25 | Heat-dissipation structure and lamp therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201628199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051655A (en) * | 2015-12-30 | 2016-10-26 | 深圳市超频三科技股份有限公司 | High shed lamp and lamp component thereof |
| CN108006452A (en) * | 2017-11-29 | 2018-05-08 | 东莞市佳盟照明科技有限公司 | A kind of big bulb lamp of built-in power |
-
2010
- 2010-02-25 CN CN2010201259862U patent/CN201628199U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051655A (en) * | 2015-12-30 | 2016-10-26 | 深圳市超频三科技股份有限公司 | High shed lamp and lamp component thereof |
| CN108006452A (en) * | 2017-11-29 | 2018-05-08 | 东莞市佳盟照明科技有限公司 | A kind of big bulb lamp of built-in power |
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