CN105423257A - Radiator, manufacturing method of radiator and lamp with radiator - Google Patents
Radiator, manufacturing method of radiator and lamp with radiator Download PDFInfo
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- CN105423257A CN105423257A CN201510892169.7A CN201510892169A CN105423257A CN 105423257 A CN105423257 A CN 105423257A CN 201510892169 A CN201510892169 A CN 201510892169A CN 105423257 A CN105423257 A CN 105423257A
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- radiating fin
- collecting plate
- radiator
- radiating
- thermal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to the lighting field, and discloses a radiator. The radiator comprises a heat collecting piece which is close to a heat source and is used for absorbing heat of the heat source, and a plurality of cooling fins arranged on the heat collecting piece in the circumferential direction. Each cooling fin comprises at least one oblique or horizontal heat dissipation face. The invention further discloses a manufacturing method of the radiator, and a lamp with the radiator. The radiator has the beneficial effects of being good in heat dissipation effect, simple in structure, convenient to manufacture, low in cost and the like.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of radiator, the manufacture method of radiator and the light fixture of application thereof.
Background technology
Existing radiator; the heat conducting mode of usual employing is dispelled the heat; traditional radiator comprises a thermal-arrest part; thermal-arrest part is near thermal source; and absorb heat from thermal source; this radiator also has some radiating fins usually, and (existing fin is vertically arranged; the projection of fin in horizontal direction mostly is a line; fin shape is as fin; therefore be called radiating fin); radiator carries out heat extraction by each radiating fin, because radiating fin increases area of dissipation, improves the radiating efficiency of radiator to a certain extent.
But the radiator of above-mentioned outfit radiating fin only relies on radiating fin and air to carry out heat transfer, and heat conducting direction is horizontal direction, perpendicular to thermal-radiating direction.Radiating effect is comparatively undesirable, especially in the heat radiation to high-power thermal source, seem unable to do what one wishes, be described for existing LED lamp, through experiment, the LED lamp of 150W is when adopting 9kg above-mentioned radiator (aluminium material), and during normal temperature, near light source, the temperature at (20-30cm place) still arrives 70 DEG C.Ideal temperature 55 DEG C compared to light fixture has larger gap, the temperatures involved luminous efficiency of LED, accelerate the aging of light fixture parts, significantly shorten the service life of light fixture, so existing high-power LED lamp is all equipped with radiator fan usually, improve radiating efficiency by the flowing accelerating air near radiating fin, reduce LED lamp temperature.
But existing radiator still exists that radiating efficiency is not high, complex structure, and production technology is complicated, and the problem such as manufacturing cost is high.
Summary of the invention
For overcoming the problem that radiator heat-dissipation in prior art is poor, affect thermal source operating efficiency and life-span, embodiments providing a kind of radiator, comprising:
Thermal-arrest part, described thermal-arrest part near thermal source, for absorbing the heat of described thermal source;
Some radiating fins, described radiating fin circumference is arranged on described thermal-arrest part, and described radiating fin comprises at least one inclination or horizontally disposed radiating surface.
Further, thermal-arrest part described above comprises interior edge and/or outer, and described radiating fin is arranged on all or part of region of described interior edge and/or outer.
Further, radiating fin described above centered by described thermal-arrest part, layered arrangement from inside to outside, and the height being positioned at the radiating fin of inner side is higher than the height of radiating fin being positioned at outside.
Further, thermal-arrest part described above comprises some collecting plates of arranged stacked, and each described collecting plate extends to form described radiating fin in circumference.
Further, in thermal-arrest part described above, the area of below collecting plate is greater than the area of top collecting plate, and the radiating fin of below collecting plate is positioned at the outside of top collecting plate radiating fin, and the radiating fin of described Neighbor Set hot plate mutually staggers on vertical direction.
Further, thermal-arrest part described above also comprises the cavity running through all or part of described collecting plate, is provided with low-melting-point metal in described cavity.
Further, each collecting plate close contact described above, and described each collecting plate is by bolted-on, or bonding by heat-conducting glue, or by welding.
Further, the quantity of collecting plate described above is not little is less than 3, and the quantity of the radiating fin on described each collecting plate is not little is less than 8.
Further, radiating fin described above is flat, and flat radiating fin comprises upper surface, lower surface on vertical direction, and connects the transition limit of described upper surface and described lower surface, described radiating surface is described upper surface, and described radiating surface comprises plane or curved surface.
Further, the shape of collecting plate described above comprises circle, rectangle, regular polygon, parallelogram or annular, and the shape of described radiating fin comprises ellipse, strip, petal or water-drop-shaped.
The embodiment of the present invention additionally provides a kind of manufacture method of radiator, comprising:.
Steps A: punching press, Water Cutting or laser cutting are carried out to sheet metal and obtains collecting plate and be connected to some radiating fins of edge and/or outer in collecting plate;
Step B: described radiating fin is bent, to make to form angle between radiating fin and collecting plate, the radiating fin after bending comprises at least one inclination or horizontally disposed radiating surface;
Step C: choose the semi-finished product after steps A and B process, carries out stacked assembling to described half-finished collecting plate, and the collecting plate after assembling forms thermal-arrest part, and all radiating fin circumferences are arranged on described thermal-arrest part.
Further, mode of carrying out stacked assembling described above comprises: by bolted-on, or bonding by heat-conducting glue, or by the described collecting plate of welding.
Further, thermal-arrest part described above also comprises the cavity running through all or part of described collecting plate, is provided with low-melting-point metal in described cavity.
Further, the shape of collecting plate described above comprises circle, rectangle, regular polygon, parallelogram or annular, the shape of described radiating fin comprises ellipse, strip, petal or water-drop-shaped, and described radiating surface is the upper surface on the vertical direction of described radiating fin.
The embodiment of the present invention additionally provides a kind of light fixture, comprises lighting unit, also comprises radiator as described above.
The embodiment of the present invention has following beneficial effect relative to prior art:
The embodiment of the present invention arranges radiating fin by circumference near thermal-arrest part, radiating fin comprises at least one inclination or is horizontally disposed with the radiating surface in (placement orientation when working relative to radiator), radiating fin by the heat on the mode absorb set warmware of heat trnasfer, and is outwards dispersed via radiating surface.Because thermal-radiating direction is straight up, the embodiment of the present invention is by providing inclination or horizontally disposed radiating surface, add the effective radiating area of radiating surface, compared to the radiating fin of traditional horizontal radiation heat, improve several times radiating efficiency, make under the radiator condition using identical material, quality, the radiator of the embodiment of the present invention has higher radiating efficiency, thus makes the radiator of the embodiment of the present invention not need fan auxiliary heat dissipation also can realize best radiating effect.Meanwhile, the radiator manufacturing process that the embodiment of the present invention provides is simple, even if the workshop of equipment, limited fund also can produce, has the beneficial effects such as widely applicable, manufacturing cost is cheap.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, 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 stereogram overlooking visual angle of the radiator of the embodiment of the present invention;
Fig. 2 is the stereogram looking up visual angle of the radiator of the embodiment of the present invention;
Fig. 3 is the top view of the radiator of the embodiment of the present invention;
Fig. 4 is the side view of the radiator of the embodiment of the present invention;
Fig. 5 is single collecting plate and is distributed in the stereogram of this collecting plate peripheral edge along upper radiating fin, the half-finished concrete example that it can realize as steps A in the inventive method embodiment and step B;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the stereogram looking up visual angle of the light fixture of the embodiment of the present invention;
Fig. 8 is the stereogram overlooking visual angle of the light fixture of the embodiment of the present invention;
Fig. 9 is the sectional view at the side-looking visual angle of the light fixture of the embodiment of the present invention;
Figure 10 is the enlarged drawing at the A place of Fig. 3.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In describing the invention, it will be appreciated that, term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instructions such as " outward " (if existence) are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " (if existence) should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Please refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, embodiments provide a kind of radiator, comprising:
Thermal-arrest part, described thermal-arrest part near thermal source, for absorbing the heat of described thermal source;
Some radiating fins 1, described radiating fin 1 circumference is arranged on described thermal-arrest part, and described radiating fin 1 comprises at least one inclination or horizontally disposed radiating surface 11.
It can be arrange around the Internal periphery of thermal-arrest part or outline that above-mentioned circumference is arranged, and also can be arranged on the inside and outside perisporium of thermal-arrest part, can also be the one or more surfaces at thermal-arrest part, circumferentially or annular distribution.
Above-mentioned radiating fin 1 can comprise multiple radiating surface 11, and described multiple radiating surface 11 can be interconnective, or separate.
Thermal-arrest part comprises interior edge and/or outer, and described radiating fin 1 is arranged on all or part of region of described interior edge and/or outer.Exemplary, in thermal-arrest part along and/or outer on radiating fin 1 can arrange in all regions in the circumferential, also can arrange subregion in the circumferential, radiating fin 1 can be arranged on the semi-circumference of described interior edge and/or outer, quadrant.
Above-mentioned radiating fin 1 centered by described thermal-arrest part, layered arrangement from inside to outside, and the height being positioned at the radiating fin 1 of inner side is higher than the height of radiating fin 1 being positioned at outside.Due to the heat upwards radiation of radiating surface 11, the air of each radiating fin 1 in radiating surface 11 place is made to be heated backward upper flowing, the embodiment of the present invention is by adopting the height of the radiating fin 1 of inner side higher than the structure of height of radiating fin 1 being positioned at outside, make no matter to be positioned at inner side, or the radiating fin 1 being positioned at outside all can contact with air at room temperature in the horizontal direction, thus make the air at room temperature around radiating fin 1 can arrive near all radiating fins 1 through bottom horizontal flow sheet, a first horizontal direction flowing is formed near radiator, after the circulating current that flows straight up, improve radiating efficiency further.
Above-mentioned thermal-arrest part comprises some collecting plates 2 of arranged stacked, and each described collecting plate 2 extends to form described radiating fin 1 in circumference.In embodiments of the present invention, thermal-arrest part can be made up of the collecting plate 2 of arranged stacked usually, each collecting plate 2 extends to form radiating fin 1 in circumference, and after making collecting plate 2 arranged stacked, the radiating fin 1 of each collecting plate 2 forms the radiating fin 1 of Multi-layers distributing around thermal-arrest part.The number of plies of radiating fin 1 can be identical with the quantity of collecting plate 2, also can be different.As a kind of preferred embodiment, the thickness of collecting plate 2 is no more than 3mm.
It should be noted that, above-mentioned statement only as a kind of Alternate embodiments of the present invention, and is not used as restriction protection scope of the present invention, and thermal-arrest part also can be one-body molded, and radiating fin 1 can be distributed in the circumference of this integrated thermal-arrest part.
In above-mentioned thermal-arrest part, the area of below collecting plate 2 is greater than the area of top collecting plate 2, the radiating fin 1 of below collecting plate 2 is positioned at the outside of the radiating fin 1 of top collecting plate 2, and as the preferred embodiment of the present embodiment, as shown in Figure 10, the radiating fin 1 of described Neighbor Set hot plate 2 mutually staggers on vertical direction.Be arranged on the upper surface of below collecting plate 2 by top collecting plate 2, and the area of below collecting plate 2 is greater than the area of top collecting plate 2, is beneficial to each layer collecting plate 2 and contacts more tight, improve the heat conduction efficiency between each layer collecting plate 2.Radiating fin 1 in the vertical direction of Neighbor Set hot plate 2 staggers mutually, be conducive to for each radiating fin 1 provides the heat-dissipating space of larger vertical direction, prevent the heat radiation of outside radiating fin 1 from being absorbed by the internal layer radiating fin 1 adjoining radiating fin 1 outside this, can further improve radiating efficiency.
Above-mentioned thermal-arrest part also comprises the cavity 3 running through all or part of described collecting plate 2, is provided with low-melting-point metal in described cavity 3.Low-melting-point metal can refer to sn-bi alloy etc., and cavity 3 can be column, taper, spherical or irregularly shaped.In embodiments of the present invention, cavity 3 is cylindrical cavity, and the fusing point of low-melting-point metal is 47 DEG C.After radiator temperature reaches the fusing point of low-melting-point metal, low-melting-point metal melts as liquid, and with each layer collecting plate 2 close contact, further increase radiating efficiency.
Above-mentioned each collecting plate 2 close contact, and described each collecting plate 2 is by bolted-on, or bonding by heat-conducting glue, or by welding.In the present embodiment, preferably adopt aluminium as the material of radiator, adopt the mode of welding can carry out plated film to aluminum component in advance, to improve soldering reliability.
The quantity of above-mentioned collecting plate 2 is no less than 3, and the quantity of the radiating fin 1 on described each collecting plate 2 is no less than 8.In the present embodiment, the quantity of collecting plate 2 can be 8, and the quantity of the radiating fin 1 on each collecting plate 2 is 29, and radiating fin 1 is evenly distributed on the outer of collecting plate 2.
Above-mentioned radiating fin 1 is flat, flat radiating fin 1 comprises upper surface 12, lower surface 13 on vertical direction, and connecting the transition limit 14 of described upper surface 12 and described lower surface 13, described radiating surface 11 is described upper surface 12, and described radiating surface 11 comprises plane or curved surface.In the present embodiment, the relatively wide face tilt of flat radiating fin 1 or be horizontally disposed with, makes radiating fin 1 form upper surface 12, lower surface 13 on vertical direction, and connects the transition limit 14 of described upper surface 12 and described lower surface 13.Radiating fin 1 one aspect of flat saves the material of radiator, can increase the spacing on the vertical direction of each layer radiating fin 1 on the other hand, for each radiating surface 11 provides larger heat-dissipating space, improves radiating efficiency.
The shape of above-mentioned collecting plate 2 comprises circle, rectangle, regular polygon, parallelogram or annular, and the shape of described radiating fin 1 comprises ellipse, strip, petal or water-drop-shaped.
The experiment proved that, when adopting LED lamp that the radiator that provides of the embodiment of the present invention is 245W to provide heat radiation, under the prerequisite not using fan, only need the Aluminium Radiator of 4.3kg the temperature at (20-30cm place) near LED lamp light source can be controlled at 55 DEG C.Wherein, the temperature being positioned at the radiating fin of inner side by constant at 45 DEG C, the temperature being positioned at outermost radiating fin by constant at 42 DEG C.Optimize the radiating efficiency of radiator greatly, reduce radiator materials and production cost.
It should be noted that, the LED lamp described in the embodiment of the present invention only as experimental explanation, not as limiting the scope of the present invention.Radiator of the present invention not only can be used for light fixture; also can be used for for CPU, GPU, engine, motor are in the heat radiation of other interior heat generating components; every those skilled in the art are under the prerequisite understanding spirit of the present invention; the conversion make technical characteristic and deduction, all belong to protection scope of the present invention.
The embodiment of the present invention additionally provides a kind of manufacture method of radiator, comprising:.
Steps A: punching press, Water Cutting or laser cutting are carried out to sheet metal and obtains collecting plate and be connected to some radiating fins of edge and/or outer in collecting plate;
Step B: described radiating fin is bent, to make to form angle between radiating fin and collecting plate, the radiating fin after bending comprises at least one inclination or horizontally disposed radiating surface;
Step C: choose the semi-finished product after steps A and B process, carries out stacked assembling to described half-finished collecting plate, and the collecting plate after assembling forms thermal-arrest part, and all radiating fin circumferences are arranged on described thermal-arrest part.
Above-mentioned collecting plate and radiating fin can come from the continuous part of the complete sheet metal of same, and the collecting plate namely obtained in steps A and radiating fin can be integrated.The thickness of sheet metal can be determined according to concrete heat dissipation environment, exemplary, in order to improve radiating efficiency, the thickness of sheet metal can control at below 3mm, and the collecting plate obtained through punching press, Water Cutting or laser cutting can be identical with the thickness of radiating fin.
It will be understood by those skilled in the art that, in order to improve the assembling effect between each thermal-arrest part of radiator, the size of the half-finished collecting plate chosen in step C can be different, as when assembling, the area of below collecting plate can be greater than the area of top collecting plate, to make below collecting plate in middle part formation for placing the placed side of top collecting plate.
As a kind of preferred embodiment, on the collecting plate of top, the angle of inclination (for the plane substantially parallel with thermal-arrest layer) of radiating fin can be greater than the angle of inclination of below collecting plate, as, on the collecting plate of the top, the angle of inclination of radiating fin can be 85 °, on bottom collecting plate, the angle of inclination of radiating fin can be 10 °, the effect launched successively is from inside to outside formed, the radiating effect of heat radiation device to make all radiating fin entirety of radiator.
Above-mentioned mode of carrying out stacked assembling comprises: by bolted-on, or bonding by heat-conducting glue, or by the described collecting plate of welding.
Above-mentioned thermal-arrest part also comprises the cavity running through all or part of described collecting plate, is provided with low-melting-point metal in described cavity.Low-melting-point metal can be sn-bi alloy etc., and cavity can be column, taper, spherical or irregularly shaped.In embodiments of the present invention, cavity is cylindrical cavity, and the fusing point of low-melting-point metal is 47 DEG C.After radiator temperature reaches the fusing point of low-melting-point metal, low-melting-point metal melts as liquid, and with each layer collecting plate close contact, further increase radiating efficiency.
The shape of above-mentioned collecting plate comprises circle, rectangle, regular polygon, parallelogram or annular, and the shape of described radiating fin comprises ellipse, strip, petal or water-drop-shaped, and described radiating surface is the upper surface on the vertical direction of described radiating fin.
This method embodiment overcomes traditional heat sinks, higher, the longer drawback that fin cannot do by the restriction due to processing technology.Only by punching press/Water Cutting/laser cutting, bending, the steps such as stacked assembling can obtain the radiator mentioned in the said goods embodiment, obtain excellent heat dispersion, even if the workshop of equipment, limited fund can be supplied to produce, widely applicable, manufacturing cost is cheap.
As shown in Figure 7, Figure 8 and Figure 9, the embodiment of the present invention additionally provides a kind of light fixture, comprise light fixture 4 and driving power assembly 5, also comprise the radiator 6 as described in above-described embodiment, radiator 6 is arranged between light fixture 4 and driving power assembly 5, for the lighting unit 41 on light fixture 4 provides heat radiation.
The embodiment of the present invention arranges radiating fin by circumference near thermal-arrest part, radiating fin comprises at least one inclination or is horizontally disposed with the radiating surface in (placement orientation when working relative to radiator), radiating fin by the heat on the mode absorb set warmware of heat trnasfer, and is outwards dispersed via radiating surface.Because thermal-radiating direction is straight up, the embodiment of the present invention is by providing inclination or horizontally disposed radiating surface, add the effective radiating area of radiating surface, compared to the radiating fin of traditional horizontal radiation heat, improve several times radiating efficiency, make under the radiator condition using identical material, quality, the radiator of the embodiment of the present invention has higher radiating efficiency, thus makes the radiator of the embodiment of the present invention not need fan auxiliary heat dissipation also can realize best radiating effect.Meanwhile, the radiator manufacturing process that the embodiment of the present invention provides is simple, even if the workshop of equipment, limited fund also can produce, has the beneficial effects such as widely applicable, manufacturing cost is cheap.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, as: the material of radiator of the present invention is not limited only to aluminium matter, and radiator is not limited only to for light fixture etc.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a radiator, is characterized in that, comprising:
Thermal-arrest part, described thermal-arrest part near thermal source, for absorbing the heat of described thermal source;
Some radiating fins, described radiating fin circumference is arranged on described thermal-arrest part, and described radiating fin comprises at least one inclination or horizontally disposed radiating surface.
2. radiator as claimed in claim 1, it is characterized in that, described thermal-arrest part comprises interior edge and/or outer, and described radiating fin is arranged on all or part of region of described interior edge and/or outer.
3. radiator as claimed in claim 2, is characterized in that, described radiating fin centered by described thermal-arrest part, layered arrangement from inside to outside, and the height being positioned at the radiating fin of inner side is higher than the height of radiating fin being positioned at outside.
4. radiator as claimed in claim 3, it is characterized in that, described thermal-arrest part comprises some collecting plates of arranged stacked, and each described collecting plate extends to form described radiating fin in circumference.
5. radiator as claimed in claim 4, it is characterized in that, in described thermal-arrest part, the area of below collecting plate is greater than the area of top collecting plate, the radiating fin of below collecting plate is positioned at the outside of top collecting plate radiating fin, and the radiating fin of described Neighbor Set hot plate mutually staggers on vertical direction.
6. radiator as claimed in claim 5, it is characterized in that, described thermal-arrest part also comprises the cavity running through all or part of described collecting plate, is provided with low-melting-point metal in described cavity.
7. radiator as claimed in claim 6, is characterized in that, described each collecting plate close contact, and described each collecting plate is by bolted-on, or bonding by heat-conducting glue, or passes through tin welding.
8. radiator as claimed in claim 7, it is characterized in that, the quantity of described collecting plate is no less than 3, and the quantity of the radiating fin on described each collecting plate is no less than 8.
9. the radiator as described in any one of claim 1 to 8, it is characterized in that, described radiating fin is flat, flat radiating fin comprises upper surface, lower surface on vertical direction, and connect the transition limit of described upper surface and described lower surface, described radiating surface is described upper surface, and described radiating surface comprises plane or curved surface.
10. radiator as claimed in claim 9, it is characterized in that, the shape of described collecting plate comprises circle, rectangle, regular polygon, parallelogram or annular, and the shape of described radiating fin comprises ellipse, strip, petal or water-drop-shaped.
The manufacture method of 11. 1 kinds of radiators, is characterized in that, comprising:
Steps A: punching press, Water Cutting or laser cutting are carried out to sheet metal and obtains collecting plate and be connected to some radiating fins of edge and/or outer in collecting plate;
Step B: described radiating fin is bent, to make to form angle between radiating fin and collecting plate, the radiating fin after bending comprises at least one inclination or horizontally disposed radiating surface;
Step C: choose the semi-finished product after steps A and B process, carries out stacked assembling to described half-finished collecting plate, and the collecting plate after assembling forms thermal-arrest part, and all radiating fin circumferences are arranged on described thermal-arrest part.
12. manufacture methods as claimed in claim 11, is characterized in that, described in carry out stacked assembling mode comprise: by bolted-on, or bonding by heat-conducting glue, or by the described collecting plate of welding.
13. manufacture methods as claimed in claim 11, it is characterized in that, described thermal-arrest part also comprises the cavity running through all or part of described collecting plate, is provided with low-melting-point metal in described cavity.
14. manufacture methods as claimed in claim 11, it is characterized in that, the shape of described collecting plate comprises circle, rectangle, regular polygon, parallelogram or annular, the shape of described radiating fin comprises ellipse, strip, petal or water-drop-shaped, and described radiating surface is the upper surface on the vertical direction of described radiating fin.
15. 1 kinds of light fixtures, comprise lighting unit, it is characterized in that, also comprise the radiator as described in any one of claim 1 to 10.
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| CN201510892169.7A CN105423257A (en) | 2015-12-07 | 2015-12-07 | Radiator, manufacturing method of radiator and lamp with radiator |
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| CN201510892169.7A CN105423257A (en) | 2015-12-07 | 2015-12-07 | Radiator, manufacturing method of radiator and lamp with radiator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659068A (en) * | 2016-11-22 | 2017-05-10 | 深圳北极之光科技有限公司 | Heat dissipator and manufacture method thereof |
| CN108488757A (en) * | 2018-03-21 | 2018-09-04 | 火丁智能照明（珠海）有限公司 | A kind of cooling fin, radiator and LED automobile head lamp |
| CN108488771A (en) * | 2018-03-15 | 2018-09-04 | 东莞市闻誉实业有限公司 | Radiator |
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