CN103717393A - Precoated aluminum alloy plate for heat dissipation members, and heat dissipation member using same - Google Patents
Precoated aluminum alloy plate for heat dissipation members, and heat dissipation member using same Download PDFInfo
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- CN103717393A CN103717393A CN201280028383.2A CN201280028383A CN103717393A CN 103717393 A CN103717393 A CN 103717393A CN 201280028383 A CN201280028383 A CN 201280028383A CN 103717393 A CN103717393 A CN 103717393A
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- thermal component
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
- F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A precoated aluminum alloy plate (1) for heat dissipation members, which comprises an aluminum alloy plate (10), a first coating film (11) that is formed on one surface of the aluminum alloy plate (10), and a second coating film (12) that is formed on the other surface of the aluminum alloy plate (10); and a heat dissipation member (5) which uses the precoated aluminum alloy plate (1). The coating film (11) has heat dissipation properties more excellent than those of the surface of the aluminum alloy plate (10); and the second coating film (12) has a bonding function of forming an adhesive by being melted or softened when heated. The first coating film (11) may have a configuration which is achieved by having a first base resin contain a heat dissipating substance, said first base resin having a softening point higher than 150 DEG C and being composed of at least one resin that is selected from among urethane resins, polyolefin resins, epoxy resins, fluororesins and polyester resins.
Description
Technical field
The present invention is about a kind of thermal component with precoating aluminum alloy plate and use its thermal component of making, and this precoating aluminum alloy plate is suitable as a kind of for making the material of the thermal component of the heat radiation such as the electrical equipment that promotes ligthing paraphernalia.
Background technology
Be accompanied by for example high performance of LED, the ligthing paraphernalia that the LED of take is light source has been realized practical.In such ligthing paraphernalia, possessed a kind of thermal component that fin is integrally formed in order to promote heat radiation.Traditional thermal component, is used a kind of forged article or casting piece that possesses integratedly the aluminium alloy of fin as Patent Document 1 more.
Prior art document
Patent documentation
Patent documentation 1: JP 2010-73654 communique
Summary of the invention
Invent problem to be solved
The traditional heat-dissipating parts that consist of forged article or the casting piece of aluminium alloy, although can guarantee thermal diffusivity in a way, it is heavy, productivity is low and possess higher cost.Therefore, expectation can be developed a kind of thermal diffusivity that can be identical or higher with traditional heat-dissipating parts performances, and weigh light, thermal component that cost is low.
In view of above-mentioned background, the invention provides a kind of material that can form the thermal component of excellent radiation performance and weigh light, and the weigh light and the low thermal component of cost that use this material to make.
The method of dealing with problems
An embodiment of the invention are a kind of thermal component precoating aluminum alloy plates, and it is to have aluminium alloy plate, be formed at wherein the 1st in one side and film and be formed at the 2nd precoating aluminum alloy plate of filming on another side, it is characterized in that,
The above-mentioned the 1st films, and has the thermal diffusivity better than the surface of above-mentioned aluminium alloy plate;
The above-mentioned the 2nd films, and has by heating and is dissolved or the softening adhesion function as sticker.
Other embodiments of the present invention are a kind of thermal components, and it is to possess to have for engaging the bottom surface sections on the composition surface of miscellaneous part, and the thermal component of erectting the fin portions arranging from this bottom surface sections, it is characterized in that,
Above-mentioned bottom surface sections and above-mentioned fin portions, consist of with precoating aluminum alloy plate the above-mentioned thermal component of bending process;
The above-mentioned composition surface of above-mentioned bottom surface sections, forms by having above-mentioned the 2nd face of filming.
Another other embodiments of the present invention are a kind of thermal components, and it is that above-mentioned thermal component is bent into undulatory thermal component with precoating aluminum alloy plate along a plurality of bending starting lines, it is characterized in that,
At above-mentioned bending starting line, form the distolateral of direction, have for engaging the engagement end portion of miscellaneous part.
The effect of invention
Above-mentioned thermal component precoating aluminum alloy plate, has the 1st of fine heat radiation property as above and films, and has the 2nd of above-mentioned adhesion function and film.Therefore, by making to there is above-mentioned the 2nd face of filming, contact with miscellaneous part and heat, bring into play the above-mentioned the 2nd and film as the function of sticker, can realize at an easy rate and use the integrated of thermal component that above-mentioned thermal component forms with precoating aluminum alloy plate and above-mentioned miscellaneous part.Thus, by utilizing the above-mentioned the 1st good thermal diffusivity of filming of the thermal component that above-mentioned thermal component forms with precoating aluminum alloy plate, can effectively discharge the heat that miscellaneous part produces.
And above-mentioned thermal component possesses the above-mentioned aluminium alloy plate as matrix material with precoating aluminum alloy plate, its highly processable, can be processed into desirable shape at an easy rate.Therefore,, for the object that need to improve heat dissipation characteristics is miscellaneous part (parts of electrical equipment of ligthing paraphernalia these other etc.), can be processed into easily optimum shape.
And above-mentioned thermal component precoating aluminum alloy plate, films and the 2nd application of filming also can be implemented in a large number, efficiently by continuously acting production lines about the above-mentioned the 1st.So working (machining) efficiency is expensive cheap.
And, above-mentioned thermal component precoating aluminum alloy plate, also can be only by its with tabular former state use under the state pasted along the surface of object, even in this case, also can utilize the above-mentioned the 1st to film good thermal diffusivity and effectively discharge the heat transmitting from miscellaneous part.
And, by the above-mentioned thermal component of bending process, with precoating aluminum alloy plate, form the such above-mentioned thermal component of above-mentioned bottom surface sections and fin portions, as mentioned above, by the faying face that there is above-mentioned the 2nd face of filming and form bottom surface sections.Like this, use the above-mentioned the 2nd adhesion function of filming can be easily miscellaneous part and bottom surface sections to be carried out integrated, also can easily obtain above-mentioned fin portions for erectting the state arranging.And, due to the existence of fin portions, can make the above-mentioned the 1st surface area of filming increase, thereby obtain good thermal diffusivity.
In addition, even if bending along a plurality of bending starting lines on the undulatory thermal component that above-mentioned thermal component forms with precoating aluminum alloy plate, also can make the above-mentioned the 1st surface area of filming increase, thereby obtain good thermal diffusivity.And, at above-mentioned bending starting line, forming one of direction and have for engaging the thermal component of the engagement end portion of miscellaneous part on distolateral, it is large that the surface area of its corrugated side becomes, and can improve the thermal diffusivity from side.
And, when engaging with miscellaneous part, for example, the engagement end portion of above-mentioned thermal component is configured on miscellaneous part and is heated.Thus, the above-mentioned the 2nd of above-mentioned thermal component is filmed that at least a portion dissolves or is softening, and what dissolve or softened the 2nd films because self weight expands on miscellaneous part.Further, by cooling, dissolve or softened the 2nd film and hardened, thereby can make simply miscellaneous part and thermal component engage.
Accompanying drawing explanation
Fig. 1 means the key diagram of the structure of thermal component use precoating aluminum alloy plate in embodiment 1.
Fig. 2 means the key diagram of the fin portions of thermal component and the curved shape of bottom surface sections in embodiment 1.
Fig. 3 means the key diagram of the state when opposition side of the bottom surface sections of thermal component from embodiment 1 is seen.
Fig. 4 means the key diagram that the cylinder lamp structure of thermal component has been installed in embodiment 1.
Fig. 5 means the key diagram that is the thermal component of tacky state in embodiment 1 with miscellaneous part.
Fig. 6 means the key diagram of the fin portions of thermal component and the curved shape of bottom surface sections in embodiment 2.
Fig. 7 means the key diagram of the state when opposition side of the bottom surface sections of thermal component from embodiment 2 is seen.
Fig. 8 means the key diagram that the cylinder lamp structure of thermal component has been installed in embodiment 2.
Fig. 9 means the key diagram that is the thermal component of tacky state in embodiment 2 with miscellaneous part.
Figure 10 means the key diagram that the cylinder lamp structure of thermal component has been installed in comparative example 1.
Figure 11 means the key diagram of the assessment result of embodiment 1,2 and comparative example 1.
Figure 12 means the oblique view of the thermal component engaging with substrate in embodiment 12.
Figure 13 means the top view of the thermal component engaging with substrate in embodiment 12.
Figure 14 means the side view of the thermal component engaging with substrate in embodiment 12.
Figure 15 means the amplification key diagram of the part section radially of cylindric thermal component in embodiment 12.
Figure 16 means the key diagram that the cylinder lamp structure of thermal component has been installed in embodiment 12.
Figure 17 means in embodiment 12 key diagram of section structure that is the thermal component of tacky state with miscellaneous part.
The specific embodiment
As above-mentioned thermal component, with the matrix material of precoating aluminum alloy plate, be the material of aluminium alloy plate, can use 1000 series, 3000 series, 5000 series, 6000 series etc. to be applicable to the material of processing and forming.For example, 1050,8021,3003,3004,3104,5052,5182,5N01 etc.Although the thickness of slab of aluminium alloy plate is not particularly limited, the viewpoint from easy manufacture and processing, is preferably 0.3mm～1.5mm.
At above-mentioned thermal component, use in precoating aluminum alloy plate, the above-mentioned the 1st films as the structure that can contain thermal diffusivity material in the 1st matrix resin, wherein, the softening point of the 1st matrix resin surpasses 150 ℃, by being selected from the polyurethane resin of fluororesin, number-average molecular weight 10000～40000, the epoxy resin of the vistanex of number-average molecular weight 10000～40000, number-average molecular weight 1000～15000, at least a kind in the mylar of number-average molecular weight 10000～40000 form.
That is to say, as above-mentioned the 1st matrix resin of filming, can use softening point to surpass the synthetic resin of 150 ℃.Like this, even film and also can prevent at an easy rate that the 1st films and dissolve or softening when it being dissolved or softening in heating the 2nd.Preferably, the softening point of the 1st matrix resin of filming is more than 170 ℃, more preferably more than 200 ℃.In addition, from the easness obtaining, above-mentioned the 1st matrix resin of filming can be used 300 ℃ of following synthetic resin of softening point.
And the above-mentioned the 1st films can use the synthetic resin of each above-mentioned number-average molecular weight scope.Because use has the synthetic resin of this scope number-average molecular weight, can easily guarantee the formability of filming.When the number-average molecular weight of each synthetic resin does not reach the lower limit numerical value of defined, the likely hardening of filming, formability variation, on the other hand, when surpassing the upper limit numerical value of defined, likely excessively soft, the invulnerability of filming reduces.
And, can use fluororesin as above to film as the above-mentioned the 1st, the molecular weight of fluororesin is not particularly limited, and can adopt the industrial fluororesin obtaining in scope.From obtaining the viewpoint of easness, preferably the molecular weight of fluororesin is 50,000～10,000,000.
In addition, as vistanex, such as using polyvinyl resin, acrylic resin etc.
And the above-mentioned the 1st films can contain one kind or two or more in titanium oxide as above-mentioned thermal diffusivity material, carbon, silica, aluminium oxide, zirconia.By adopting these materials as above-mentioned thermal diffusivity material, can easily improve above-mentioned the 1st thermal diffusivity of filming.
The above-mentioned the 1st characteristic of filming thermal diffusivity, can assess by ultrared integrated emissivity.For example, preferably the above-mentioned the 1st infrared ray integrated emissivity of filming is adjusted into more than 70%.Like this, can obtain stable heat dissipation characteristics.Infrared emission amount by FI-IR comparative sample and ideal black-body can be measured infrared ray integrated emissivity.In addition, the infrared ray integrated emissivity of aluminium alloy plate is generally 15～18%.
And, in the above-mentioned the 1st films, with respect to above-mentioned the 1st matrix resin of 100 weight portions, can contain that to be selected from 0.5～200 weight portion and average grain diameter be titanium oxide, 0.5～25 weight portion of 0.1～100 μ m and be the carbon element of fine powder powder, in the aluminium oxide of the silica of 0.5～200 weight portion, 0.5～200 weight portion and the zirconia of 0.5～200 weight portion at least a kind.
That is to say, while containing titanium oxide in the above-mentioned the 1st films, its average grain diameter is preferably in the scope of 0.1～100 μ m.Thus, the particle that can suppress titanium oxide is from the 1st separation generation of this undesirable condition that comes off of filming, thereby can improve stable thermal diffusivity.
And while containing titanium oxide in the above-mentioned the 1st films, its amount is preferably 0.5～200 weight portion with respect to above-mentioned the 1st matrix resin of 100 weight portions.Thus, the particle that can suppress titanium oxide is from the 1st separation generation of this undesirable condition that comes off of filming, thereby can improve stable thermal diffusivity.
And, as the carbon of above-mentioned attritive powder, can use the carbon that average grain diameter is 1nm～500nm.In addition, the amount containing in carbon situation in the above-mentioned the 1st films is preferably 0.5～25 weight portion.Thus, can suppress carbon particle from the 1st separation generation of this undesirable condition that comes off of filming, thereby can improve stable thermal diffusivity.
For example, and as above-mentioned silica, can use average grain diameter is the silica of 0.1～100 μ m.In addition, the amount in the situation that of containing silica in the above-mentioned the 1st films is preferably 0.5～200 weight portion.Thus, the particle that can suppress silica is from the 1st separation generation of this undesirable condition that comes off of filming, thereby can improve stable thermal diffusivity.
For example, and as above-mentioned aluminium oxide, can use average grain diameter is the aluminium oxide of 0.1～100 μ m.In addition, the amount in the situation that of containing aluminium oxide in the above-mentioned the 1st films is 0.5～200 weight portion preferably.Thus, the particle that can suppress aluminium oxide is from the 1st separation generation of this undesirable condition that comes off of filming, thereby can improve stable thermal diffusivity.
For example, and as above-mentioned zirconia, can use average grain diameter is the zirconia of 0.1～100 μ m.In addition, the amount containing in zirconic situation in the above-mentioned the 1st films is preferably 0.5～200 weight portion.Thus, can suppress zirconic particle from the 1st separation generation of this undesirable condition that comes off of filming, thereby can improve stable thermal diffusivity.
In addition, above-mentioned the 1st thickness of filming, for example, can be 0.5～100 μ m.
And, the above-mentioned the 2nd films can contain the 2nd matrix resin, wherein, the softening point of the 2nd matrix resin is below 150 ℃, by being selected from one kind or two or more in acrylic resin, polyurethane resin, ionomer resin, vistanex, epoxy resin, mylar, forms.In this case, because softening point is below 150 ℃, so the heating while impelling the above-mentioned the 2nd to film performance adhesion function can be implemented at lower temperature.By adjusting the number-average molecular weight of each resin, can realize with comparalive ease the adjustment of this softening point.More preferably, above-mentioned the 2nd softening point of filming can be below 140 ℃.In addition, the lower limit of softening point, the reaction while using precoating aluminum alloy plate from the above-mentioned thermal component of keeping suppresses viewpoint, is preferably limited to more than 50 ℃, more preferably more than 70 ℃.
The 2nd vistanex in filming, with the above-mentioned the 1st film the same, such as using polyvinyl resin, acrylic resin etc.
And, in above-mentioned the 2nd matrix resin that the above-mentioned the 2nd films, can contain thermal conductivity material.Here said thermal conductivity material is a kind ofly than above-mentioned the 2nd matrix resin, to have better thermal conductivity, can improve the 2nd material of filming overall thermal conductivity.Owing to containing above-mentioned thermal conductivity material, improved the above-mentioned the 2nd and filmed from the heat transfer efficiency of miscellaneous part, thereby can further improve the thermal diffusivity that uses the thermal component that above-mentioned thermal component forms with precoating aluminum alloy plate.
And, can contain aluminium oxide, titanium oxide, silica, carbon or nickel as above-mentioned thermal conductivity material.These materials have good thermal conductivity, be suitable as very much the above-mentioned the 2nd film in contained material.In addition, the form preferred particulates shape of above-mentioned aluminium oxide, titanium oxide, silica, carbon or nickel or Powdered.Particle diameter or the amount of these materials are not particularly limited, and can in the scope of not damaging the 2nd coating of filming, select.For example, the average grain diameter of aluminium oxide, titanium oxide, silica or nickel can be 0.1～100 μ m, and amount can be 0.5～200 weight portion with respect to above-mentioned the 2nd matrix resin of 100 weight portions.In addition, the average grain diameter of carbon can be 10～100nm, and amount can be 0.5～25 weight portion with respect to above-mentioned the 2nd matrix resin of 100 weight portions.
And, when the above-mentioned thermal conductivity material containing in the above-mentioned the 2nd films is nickel, for example can select the average grain diameter easily obtaining is the spherical filler of Ni of 0.3～100 μ m, and thickness is at least one in 0.2～5 μ m and the flakey Ni filler with 2～50 μ m major diameters.
And, on above-mentioned thermal component material precoating aluminum alloy plate, if above-mentioned the 1st softening point of filming is Tm
1℃, above-mentioned the 2nd softening point of filming is Tm
2℃, preferred Tm
1-Tm
2≤ 20.
At Tm
1-Tm
2in the situation of < 20, when heating the 2nd, film when it being dissolved or softening, likely occur that the 1st films and can not soften and the 2nd film and be also difficult to dissolve or softening situation.Preferably, Tm
1-Tm
2≤ 40, further preferably, Tm
1-Tm
2≤ 800.
In addition, can make the above-mentioned the 1st to film and the above-mentioned the 2nd at least one party that films, contain a kind or the inside wax of 2 kinds in Brazil wax, polyethylene, microwax, lanolin.Thus, can improve its machinability and invulnerability.
The amount of above-mentioned inner wax for example, can be 0.05～3 weight portion with respect to each matrix resins of 100 weight portions.By selecting this scope, can improve at an easy rate machinability and invulnerability, can also suppress simultaneously precoating aluminum alloy plate cling each other can not separated caused choking phenomenon generation.
And the above-mentioned the 1st films and the 2nd film, preferably on the upper strata that is being formed at the lip-deep coating type of aluminium alloy plate or the chromate of response type or non-chromate layer, form.In this case, the adherence of aluminium alloy plate and above-mentioned precoated shet can be improved, but also machinability and durability etc. can be further improved.In addition, the above-mentioned the 1st films and the above-mentioned the 2nd films, can only by 1 layer, form respectively, but also can be in lower floor's configuration other synthetic resin coating films as bottom coating.
And, in not hindering the scope of the characteristics such as thermal diffusivity, machinability, adherence, the above-mentioned the 1st, film and the above-mentioned the 2nd can add pigment and dyestuff on filming to improve its aesthetic appearance.
Secondly, by the above-mentioned thermal component of bending process, with precoating aluminum alloy plate, form and have the thermal component of above-mentioned bottom surface sections and fin portions, being not limited in embodiment described later, can be various forms according to the shape of applicable miscellaneous part and function.In addition, the thermal component precoating aluminum alloy plate of using as making thermal component, preferably only has 1, can certainly be the combination of polylith.
And, above-mentioned fin portions, can by by above-mentioned thermal component with precoating aluminum alloy plate double flat so that the above-mentioned the 1st film and arrive surface and two and overlappingly form.Particularly, also as described later shown in embodiment 2, by 1 thermal component is carried out to the repeatedly combination operation of 90 degree bendings and 180 degree bendings with precoating aluminum alloy plate, can form alternately two-layer the formed fin portions of bottom surface sections and overlapping bending, form the structure of the substantially flush arrangement of each bottom surface sections simultaneously.
In addition, the fin portions being formed by above-mentioned 180 degree bendings, film and contact with each other due to the two-layer the 2nd, when the above-mentioned the 2nd of bottom surface sections, film when formed composition surface contacts with miscellaneous part and heat, thus the 2nd the filming and also dissolved or softening performance adhesion function of above-mentioned fin portions.So, can make above-mentioned two overlapping fin portions integrated, thereby can improve rigidity etc.
And above-mentioned fin portions can be bent into corrugated formation by not overlapping above-mentioned thermal component under the state of 1 with precoating aluminum alloy plate but by it.Particularly, also as described later shown in embodiment 1, by using 1 thermal component to carry out the repeatedly combination operation of 90 degree bendings with precoating aluminum alloy plate, can make bottom surface sections and be provided with the fin portions that gap is comprised of each relative piece to form zigzag, each bottom surface sections is situated between by the structure of the substantially flush arrangement in gap simultaneously.
In addition, have on the thermal component that above-mentioned bottom surface sections and fin portions form, when a plurality of fin portions is set, in order to improve aeration, more than the interval between each fin is preferably set to 5mm, more preferably more than 8mm.When the interval between each fin is unequal, preferably the shortest being spaced apart as mentioned above more than 5mm, more preferably more than 8mm.
And, in thering is the thermal component that above-mentioned bottom surface sections and fin portions form, in the fin portions forming with precoating aluminum alloy plate at above-mentioned thermal component, can form the through hole that connects this fin portions along thickness of slab direction.In this case, the aeration of thermal component improves, thereby can further improve thermal diffusivity.
In addition, at the thermal component that do not superpose, with precoating aluminum alloy plate, it is bent under the state of 1 on the thermal component that corrugated forms, above-mentioned fin portions can consist of convex body, and this convex body is by the face that erects erecting in an approximate vertical direction from above-mentioned bottom surface sections, erect face along the top board face extending with above-mentioned bottom surface sections almost parallel direction and form along the decline face declining to the substantially vertical direction of above-mentioned bottom surface sections from this top board face from this.Above-mentioned through hole also can form on any one face of the face that erects of above-mentioned fin portions, top board face, decline face.
And, along a plurality of bending starting lines, be bent on undulatory thermal component, also above-mentioned bending starting line can be formed to a distolateral engagement end portion as being used for engaging miscellaneous part of direction.
Particularly, above-mentioned thermal component, preferably, under the state of axially aiming at above-mentioned bending starting line, global shape is tubular, on axial one end of this tubular, has above-mentioned engagement end portion.
In this case, can increase the surface area of the above-mentioned thermal component side of tubular, thereby can improve the thermal diffusivity from side.In addition, because the inside of the thermal component at tubular has formed space, so can improve air cooling performance.
In addition, at above-mentioned bending starting line, form the thermal component that one of direction has engagement end portion structure on distolateral, when a plurality of fin portions is set, in order to improve aeration, more than the interval between each fin is preferably set to 3mm.When the interval between each fin is unequal, more than the shortest interval is preferably 3mm as above, more preferably more than 5mm.
It is cylindric that the global shape of above-mentioned thermal component is preferably.
In this case, make the corrugated parts that form with precoating aluminum alloy plate along a plurality of bending starting line bending thermal components form (being bent to form) tubular, like this, just can make simply the thermal component of tubular.And, be cylindricly highly suitable for the thermal component that the ligthing paraphernalias such as Down lamp are used.
And, preferably, above-mentioned thermal component, there are a plurality of fin portions that are upwards radial configuration in above-mentioned footpath cylindraceous, adjacent above-mentioned fin portions, in above-mentioned inner circumferential side cylindraceous and outer circumferential side mutual connection respectively, above-mentioned inner circumferential side each other of above-mentioned fin portions and the connecting portion of above-mentioned outer circumferential side form on the plane along above-mentioned circumferencial direction configuration cylindraceous or curved surface.
In this case, due to the existence of above-mentioned fin portions, can increase above-mentioned the 1st surface area of filming, thereby can obtain good thermal diffusivity.And, be disposed at fin portions radially and be disposed at the face that has formed fine heat radiation property on the connecting portion of circumferencial direction.So, can promote the heat radiation to multiple directions.
In addition, preferably, on above-mentioned connecting portion, form through hole.
In this case, can improve the aeration of above-mentioned thermal component cylindraceous.
The connecting portion of above-mentioned inner circumferential side forms the interior face of thermal component cylindraceous, and the connecting portion of outer circumferential side forms the external of thermal component cylindraceous.By forming through hole as above on face in these and external, can improve the aeration from the side of thermal component cylindraceous, thereby can further improve air cooling performance.
Particularly, through hole refers to the hole that connects the precoating aluminum alloy plate that forms thermal component from thickness direction.Through hole can arrange one or more.Preferably, connecting portion and/or the connecting portion in all inner circumferential sides at all outer circumferential sides arranges through hole.
In addition, from guaranteeing the viewpoint of the radiating surface connecting portion, even when through hole is formed on connecting portion, preferably, at least a portion of the part consisting of plane or curved precoating aluminum alloy plate remains on connecting portion.
Although be plane or curved surface shape as above by making above-mentioned connecting portion, can on connecting portion, form through hole, also can on the line parallel at the direction of principal axis with tubular, form connecting portion.That is to say, be bent into jagged precoating aluminum alloy plate, also can be formed in tubular thermal component under the state that a plurality of bending starting lines axially aim at.In this case, connecting portion is not plane or curved surface, but becomes the wire parallel with direction of principal axis, and on connecting portion, forms the outstanding bight of an acute angle.
When using, film and the above-mentioned the 2nd film while being formed at respectively in it that above-mentioned thermal component on outside forms the thermal component of above-mentioned tubular with precoating aluminum alloy plate the above-mentioned the 1st, can film at the outer circumferential side of tubular and any side configuration the 1st of inner circumferential side.About the 2nd, film too.
Preferably, above-mentioned thermal component is filmed and is formed at above-mentioned outer circumferential side cylindraceous with the above-mentioned the 1st of precoating aluminum alloy plate, and the above-mentioned the 2nd films is formed at above-mentioned inner circumferential side cylindraceous.
In this case, form on a kind of outer circumferential side easily contacting extraneous air and configure the 1st structure of filming of fine heat radiation property, so can further improve thermal diffusivity.
And, at integrally bending, becoming on above-mentioned thermal component cylindraceous, above-mentioned axial one end cylindraceous becomes for engaging the engagement end portion of miscellaneous part.When engaging with miscellaneous part, axial one end of above-mentioned thermal component is configured on miscellaneous part and heating, the above-mentioned the 2nd films, and at least a portion dissolves or softening, dissolves or the softening the 2nd films and expand on miscellaneous part and cooling hardening.At this moment, if film and be configured on inner circumferential side cylindraceous as above the 2nd, can form by the 2nd adhesion part of filming produced in the inner side cylindraceous that is difficult to observation from outside.Therefore, can improve the aesthetic property after connection.
Embodiment
(embodiment 1)
As an example of the thermal component that uses thermal component to manufacture with precoating aluminum alloy plate, to be applicable to one of ligthing paraphernalia, be that the example of Down lamp represents.The thermal component 5 of the present embodiment, as shown in Figure 2, has and has for engaging miscellaneous part (matrix part) 81(Fig. 4) composition surface 51 bottom surface sections 50 and from bottom surface sections 50, erect the fin portions 52 arranging.
Thermal component uses precoating aluminum alloy plate 1 according to following operation manufacture.First, as the aluminium alloy plate 10 of matrix material, use the aluminium alloy plate of materials A 1050-O section bar, thickness 0.5mm.The two sides of this aluminium alloy 10, with after alkaline defatting agent degreasing, is immersed in the bath of chromium phosphate hydrochlorate and carries out chemical conversion processing.What obtain changes into epithelium (chromium phosphate hydrochlorate epithelium) 105, and the Cr amount in its epithelium is at 20 ± 5mg/m
2in scope.
Secondly, on a face of aluminium alloy plate 10, form the 1st and film 11.Coating is used following material,, the mylar that melting point is 16000 series over 200 ℃ (softening point: 240 ℃), the number-average molecular weight of usining is as the 1st matrix resin, aspect solid constituent compares, the 1st matrix resin with respect to 100 weight portions, containing as the average grain diameter of thermal diffusivity material is titanium oxide 100 weight portions of 0.3 μ m, contains Tissuemat E 1 weight portion as inner wax.With rod coater, carry out application, the 1st film 11 thickness is 50 μ m.In addition, the 1st film 11 baking condition is set in the baking oven of 240 ℃, keep 60 seconds so that surface temperature reaches 230 ℃.
Next, on another face of aluminium alloy plate 10, form the 2nd and film 12.Coating is only used following material, that is, and and in bisphenol A type epoxy resin 40% aqueous solution that is 10000 in number-average molecular weight, by the blocked isocyanate of (strain) mountain, village chemical research manufacturing: color-fixing agent #212 mixes formed material according to the ratio of 7:3.With rod coater, carry out application, the 2nd film 12 thickness is 20 μ m.In addition, the 2nd film 12 baking condition is set in the baking oven of 240 ℃, keep 60 seconds so that surface temperature reaches 230 ℃.The 2nd film 12 the melting point obtaining is that 170 ℃, softening point are 85 ℃.In addition, the above-mentioned the 1st films the 11 and the 2nd films 12, when a large amount of production, can use continuous paint line to carry out application.
Use the precoating aluminum alloy plate 1 for thermal component obtaining like this, can make thermal component 5 according to following operation.First, thermal component is formed to a blank (diagram slightly) with precoating aluminum alloy plate 1, this blank is equivalent to the thermal component 5 of the net shape shown in Fig. 2 and Fig. 3 to be launched into flat shape.
Secondly, as shown in FIG. 2 and 3, the operations of the above-mentioned blank of repetition 90 degree bending make it form corrugated, arrange and are the bottom surface sections 50 of approximate horizontal shape arrangement and erect from bottom surface sections 50 fin portions 52 arranging.In addition, in bottom surface sections 50, the face of erectting the opposition side of the side that fin portions 52 is set is composition surface 51, and it is to have the 2nd film 12 face.
And thermal component 5, as shown in Figure 3, becomes circle if observe up its outline-shaped.In addition, as shown in Figure 2, each fin portions 52 only consists of 1 precoating aluminum alloy plate respectively, and adjacent fin portions 52 interval D 1 is each other set as 8mm.
The thermal component 5 obtaining, by above-mentioned bottom surface sections 50 is contacted with miscellaneous part and heated, can engage and use with miscellaneous part one.As the concrete structure that is applicable to the Down lamp 8 of one of ligthing paraphernalia, as shown in Figure 4, can be for using thermal component 5 and the structure that engages as the substrate 81 of above-mentioned miscellaneous part.Also can be using the composite entity of matrix part 81 and thermal component 5 as thermal component.
In addition, as shown in same accompanying drawing, prepare separately one by the substrate 83 of the light source 82 that is equipped with LED element to form with for the Down lamp body 80 to reflector 84 assemblings of desirable direction reflection by the light of light source 82 transmittings.And, by being configured on the substrate 83 of Down lamp body 80 and being situated between with the integrated matrix part 81 of thermal component 5, by dielectric film 85, engaged.Like this, the Down lamp 8 that possesses thermal component 5 has just completed.
When lighting Down lamp 8, light source 82 heatings.This heat is situated between and is passed on thermal component 5 by substrate 83, dielectric film 85 and matrix part 81.On thermal component 5, be passed to the heat of aluminium alloy plate 10, what there is good thermal diffusivity, the 1st film under 11 effect and effectively discharged.Therefore, the excessive temperature that can suppress light source 82 on Down lamp 8 rises, and then can avoid service life short and maintain luminescent properties.
(embodiment 2)
The thermal component 6 of the present embodiment goes for the ligthing paraphernalia of the Down lamp type the same with embodiment 1.
The thermal component 6 of the present embodiment, as shown in Figure 6, has and has for engaging miscellaneous part (matrix part) 81(Fig. 8) composition surface 61 bottom surface sections 60 and from bottom surface sections 60, erect the fin portions 62 arranging.
Next, as shown in Fig. 6 and Fig. 7, suitably repeat the operation of 90 degree bendings and the above-mentioned blank of 180 degree bending, arranges and be the bottom surface sections 60 of approximate horizontal shape arrangement and erect from bottom surface sections 60 fin portions 62 arranging.In addition, in bottom surface sections 60, the face of erectting the opposition side of the side be provided with fin portions 62 is composition surface 61, and it is to have the 2nd film 12 face.
And thermal component 6, as shown in Figure 7, becomes circle if observe up its outline-shaped.In addition, as shown in Figure 6, each fin portions 62 respectively by by described thermal component with precoating aluminum alloy plate double flat so that the 1st film 11 arrival surfaces and two overlappingly form.In addition, adjacent fin portions 62 interval D 2 is each other set as 8mm.
The thermal component 6 obtaining, by bottom surface sections 60 being contacted with miscellaneous part and heating, can engage and use with miscellaneous part one.As the concrete structure being applicable to the Down lamp of embodiment 1 same configuration, as shown in Figure 8, can engage and use using thermal component 6 with as the substrate 81 of above-mentioned miscellaneous part.Also can be using the composite entity of matrix part 81 and thermal component 5 as thermal component.
The joint of matrix part 81 and thermal component 6 carries out according to following operation,, on matrix part 81, place the composition surface 61 of the bottom surface sections 60 of thermal component 6, the integral body under applying to a certain degree the state bearing a heavy burden, matrix part 81 and thermal component 6 being formed is cooling again after being heated to 170 ℃.By this heating, the thermal component that forms thermal component 6 is filmed and 12 is dissolved or soften with the 2nd of precoating aluminum alloy plate 1, afterwards by cooling, and the 2nd film 12 sclerosis and then bring into play adhesion function.Thus, as shown in Figure 9, matrix part 81 and thermal component 6 are integrated, and meanwhile, 2 overlapping parts of each fin portions 62 are also engaged by one.
And, as shown in Figure 8, with respect to the Down lamp body 80 separately prepared the same as embodiment 1, will be situated between and be engaged with it by dielectric film 85 with the integrated matrix part 81 of thermal component 6, Down lamp 802 has just completed.
Even in the present embodiment, the heat sending from the light source 82 when lighting Down lamp 802, is situated between and is passed to thermal component 6 by substrate 83, dielectric film 85 and matrix part 81.On thermal component 6, be passed to the heat of aluminium alloy plate 10, what there is good thermal diffusivity, the 1st film under 11 effect and effectively discharged.Therefore, the excessive temperature that can suppress light source 82 on Down lamp 802 rises, and then can avoid shortly realize maintaining of luminescent properties service life.
And, the thermal component 6 of the present embodiment, as shown in Figure 9, it is overlapping that it is configured to 2 fin portions 62, so compare the rigidity of fin portions 62 with the situation of embodiment 1 higher.In addition, the area on the composition surface 61 of bottom 60 is also larger than the situation of embodiment 1, so the stability engaging is also higher.
In addition, in embodiment 1,2, the profile of thermal component 5,6 is circular, but its shape can change to such as quadrangle, octagonal etc. in the scope of matrix part 81 areas.
(comparative example 1)
As shown in figure 10, validity for the thermal component of qualitative assessment above-described embodiment 1,2, prepared as a comparative example a kind of Down lamp 809, this Down lamp 809 is above-mentioned matrix part 81 and the integrated part of thermal component 5 or 6, changes to the casting thermal component 95 that the aluminium alloy by materials A DC12 forms.
(assessment)
In evaluation test, prepared Down lamp 8(embodiment 1), Down lamp 802(embodiment 2), Down lamp 809(comparative example 1) as test specimen 1,2,3, and, they are placed on respectively to temperature is in the thermostatic chamber of 25 ℃, the test of measuring each several part temperature according to the time point of lighting 1 hour.And, in order stably to carry out temperature survey, test specimen 1,2,3 is placed on respectively in the angle cylinder (diagram is slightly) that Corvic makes and is lighted.Thermometric position, as shown in Fig. 4, Fig. 8, Figure 10, is A point (substrate outer circumference end), B point (matrix part outer circumference end), C point (thermal component bottom), D point (thermal component top), E point (cylinder bottom, angle), this 6 place of F point (cylinder top, angle).
In addition, also measured the weight of thermal component on each test specimen.In embodiment 1,2, the weight of thermal component 5,6 is not for comprising the weight of matrix part 81.
The weight of temperature measurement result and thermal component is as shown in table 1.Further, the measurement result that above-mentioned A is ordered as shown in figure 11.In same accompanying drawing, transverse axis represents the kind of measuring object, and the left longitudinal axis represents the temperature that A is ordered, and the right longitudinal axis represents the weight of thermal component, and the temperature that A is ordered represents by plot point (zero) by the weight of histogram graph representation, thermal component.
(table 1)
From table 1 and Figure 11, to compare with traditional casting thermal component 95, thermal component 6 weight of the thermal component 5 of embodiment 1 and embodiment 2 are lighter, and radiating effect is better.
(embodiment 3～11)
In above-described embodiment 1 and 2, enumerated a kind of being formed with and had that the 1st of special component is filmed and the example of precoating aluminum alloy plate for the 2nd thermal component of filming, and in the present embodiment, relate to a kind of being formed with and be different from that the 1st of embodiment 1 and embodiment 2 compositions are filmed and the example of precoating aluminum alloy plate for the 2nd thermal component of filming.
What in the present embodiment, form the 1st films and the 2nd composition of filming represents respectively in aftermentioned table 2 and table 3.Embodiment 3～11, film and the 2nd film this difference except the 1st, and it is the thermal component precoating aluminum alloy plate that uses structure identical with embodiment 1.And, the 1st film and the 2nd concrete formation method of filming also identical with embodiment 1.
In addition, in table 2 and table 3, using average grain diameter is the titanium oxide of 0.3 μ m, uses the carbon black that average grain diameter is 24nm, and using average grain diameter is the alumina filled thing of 4 μ m.
And, in table 3, the acrylic resin of the 2nd matrix resin is used " the JURYMER AT613 " of synthetic (strain) (strain) system in East Asia, " TAKELAC W615 ", the mylar that polyurethane resin is used Mitsui Chemicals (strain) system to use " PES375S40 " of East Asia synthetic (strain) system, blocked isocyanate to use made " the color-fixing agent #212 " of (strain) mountain, village chemical research.
And, in table 2, shown the 1st emissivity of filming (%), softening point Tm
1(℃).
The 1st emissivity of filming can be measured by ultrared integrated emissivity, and in addition, the emissivity of aluminium alloy plate in the present embodiment (materials A 1050-O section bar, thickness 0.5mm) is 15%.
And, in table 3, shown the 2nd softening point Tm filming
2(℃), peel strength (kg/0.5c).
The 2nd peel strength of filming can be measured according to JIS-K6854-3 " sticker-peel off adhesion strength test method: T-shaped peeling off ".
Particularly, first by being formed with the 2nd aluminium alloy plate of filming, according to wide 10mm * long 100mm, cut.And, will be formed with the 2nd application face of filming of the 2nd aluminium alloy plate of filming and overlap each other so that the length on its composition surface is 50mm without the aluminium alloy plate of application, and fix with metal clip.Secondly, at 150 ℃ of temperature, heat 20 minutes.Measure and carry out in the following manner, that is, the draw speed with 50mm/min in cupping machine carries out tension test, measures peel strength at this moment.Test temperature is set as 25 ℃.
And, the softening point Tm in table 2 and table 3
1and Tm
2measurement, be to carry out according to vicat softening temperature (VST) test method of the plastics-thermoplastic of JIS-K7206 (1999) regulation.
Secondly, by the combination shown in table 4 respectively the 1st shown in formation table 2 and table 3 film and the 2nd film, and then make 9 kinds of precoating aluminum alloy plates for thermal component (embodiment 3～11).The 1st film identical with embodiment 1 with the 2nd concrete formation method of filming.
Next step, respectively with these thermal component precoating aluminum alloy plates, make corrugated thermal component according to the operation identical with embodiment 1.And, with these thermal components, according to the operation identical with embodiment 1, form Down lamp, it is in the thermostatic chamber of 25 ℃, according to the time point of lighting 1 hour temperature of measuring substrate outer circumference end (A point) the same as above-mentioned evaluation test that these Down lamps are placed on respectively to temperature.Its result is as shown in table 4.In addition, in table 4, recorded in the lump the result of the above-mentioned comparative example 1 of use as a comparison.And, in table 4, also shown that the 1st films and the 2nd poor (Tm that films softening point
1-Tm
2).
(table 4)
Known according to table 4, the thermal component of the use precoating aluminum alloy plate of embodiment 3～11, compares and can produce good radiating effect with traditional casting thermal component (comparative example 1).And as shown in table 3, the precoating aluminum alloy plate of embodiment 3～11 has good the 2nd the filming of peel strength.Therefore, when using it when thermal component is used, because its good adherence can be adhered on the miscellaneous parts such as matrix part of Down lamp well.
In addition, in the present embodiment, use the thermal component material precoating aluminum alloy plate of embodiment 3～11 to make the corrugated thermal component identical with embodiment 1, also can make the thermal component of 2 superimposed structures as embodiment 2.
(embodiment 12)
The present embodiment is the example that a kind of shape is different from the thermal component of embodiment 1 and 2.The thermal component 7 of the present embodiment, goes for the ligthing paraphernalia (with reference to Figure 12) with embodiment 1 and 2 same Down lamp types.
The thermal component 7 of the present embodiment, as shown in Figure 12～Figure 14, by forming corrugated along a plurality of bending starting line 71 bending thermal components with precoating aluminum alloy plate 1.Thermal component 7, bending starting line 71 formation direction one distolateral 715 on have for engaging the engagement end portion 72 of miscellaneous part 81.Thermal component 7, under bending starting line 71 state that axially X aims at, global shape is cylindric, and has engagement end portion 72 on one end 715 of this direction of principal axis X cylindraceous.Thermal component 7, can engage by this engagement end portion 72 and miscellaneous part 81.
As shown in figure 13, in the present embodiment, adjacent fin portions 73 interval is each other different diametrically, and from inner circumferential side, 701 become large to outer circumferential side 702 intervals.Adjacent fin portions 73 interval is each other 701 minimums in inner circumferential side.In the present embodiment, be no matter interior facial 74 the position existing as inner circumferential side 701 connecting portions, still there is not this position, the interval D 3 of inner circumferential side 701, D4 are set as identical, are all 5mm,, the interval of fin portions 73 inner circumferential side 701 is each other all impartial, is all 5mm.
And, no matter whether there is the external 75 as the connecting portion of outer circumferential side 702, the interval of adjacent fin portions 73 outer circumferential side 702 is each other all impartial.In the present embodiment, be set as 8mm.
In addition, in the present embodiment, the interval of adjacent fin portions 73 inner circumferential side 701 each other and the interval of outer circumferential side 702 are all set as respectively equalization, also can change interval.From the angle of thermal diffusivity, more than the adjacent fin portions 73 preferred 3mm in the shortest interval each other.
In addition, as shown in Figure 12 and Figure 14, at connecting portion, be to be formed for respectively on smooth interior facial 74 and external 75 connecting from thickness direction the precoating aluminum alloy plate through hole 740,750 that forms thermal component 7.In the present embodiment, on interior facial 74 all and externals 75, be all provided with through hole 740,750.In addition, in fin portions 73, also can form through hole.On interior facial 74, be respectively arranged with two along through hole 740a, the 740b of the straight alignment arrangements of cylindric direction of principal axis X.Similarly, on face 75, be also provided with two axially through hole 750a, the 750b of the straight alignment arrangements of X outside.Between through hole 740a, 740b, 750a, 750b, the residual part being formed by precoating aluminum alloy plate 1.
When forming the thermal component 7 of the present embodiment, first, precoating aluminum alloy plate 1(blank for the thermal component of preparation and embodiment 1 same configuration), not overlapping this precoating aluminum alloy plate 1, but it is bent into corrugated along a plurality of bending starting lines 71 under the state of 1 monoblock.Secondly, be bent on undulatory precoating aluminum alloy plate 1, at the position that becomes the connecting portion 74,75 of end-state (with reference to Figure 12～14), be pre-formed through hole 740,750.Next step bends to cylindric (diameter 85mm, high 5cm) by global shape under bending starting line 71 state that axially X aims at.At this moment, can use sticker etc. that the end of circumferencial direction is engaged with each other.In addition, at global shape, bend under state cylindraceous, after being filmed and it is softened or dissolve with the 2nd of precoating aluminum alloy plate 1 by heating thermal component, that its sclerosis can be fixed as global shape is cylindric by cooling.
In the present embodiment, as shown in figure 15, thermal component is filmed and 11 is molded over outer circumferential side the 702, the 2nd cylindraceous and films and 12 be molded over inner circumferential side 701 cylindraceous with the 1st of precoating aluminum alloy plate 1.And, in Figure 12～Figure 14 and Figure 16 described later, for the ease of drawing, omit and to have shown that the 1st films and the 2nd film, and in fact, as shown in figure 15, on the surface of aluminium alloy plate 10, be formed with respectively the 1st and film and the 11 and the 2nd film.
As shown in Figure 12～Figure 14, thermal component 7 cylindraceous, can be using one end of direction of principal axis X as the engagement end portion 72 with respect to miscellaneous part 81.By heating the engagement end portion of thermal component 7 under the state contacting with miscellaneous part 81, can engage and use with other parts 81 one.As being applicable to the concrete structure that one of ligthing paraphernalia is Down lamp, as shown in figure 16, can be thermal component 7 and the structure engaging as the substrate 81 of above-mentioned miscellaneous part.The integral body that also can form having combined matrix part 81 and thermal component 7 is as thermal component.In addition, in Figure 16, be disposed at the thermal component 7 on Down lamp body 80, represent A-A line cutaway view in Figure 13.
In addition, as shown in figure 16, with respect to the Down lamp body 80 of preparing equally separately with embodiment 1, will be situated between and be engaged by dielectric film 85 with the integrated matrix part 81 of thermal component 7, thus, the Down lamp 803 that possesses thermal component 7 have just completed.
When lighting Down lamp 803, light source 82 heatings.This heat is situated between and is passed to thermal component 7 by substrate 83, dielectric film 85 and matrix part 81.On thermal component 7, be passed to the heat of aluminium alloy plate 10, what there is good thermal diffusivity, the 1st film under 11 effect and effectively discharged.Therefore, the excessive temperature that can suppress light source 82 on Down lamp 803 rises, and then can avoid service life short and realize maintaining of luminescent properties.
In addition, the thermal component 7 of the present embodiment, forms one of direction at bending starting line and has for engaging the engagement end portion 72 of miscellaneous part on distolateral.Therefore, the surface area of cylindric side increases, thereby can improve the thermal diffusivity of side.
And on thermal component 7, fin portions 73 inner circumferential side 701 each other and the connecting portion 74,75 of above-mentioned outer circumferential side 702 form on the plane along circumferencial direction configuration cylindraceous or curved surface.And, on connecting portion 74,75, form through hole 740,750.Can improve the aeration from thermal component cylindraceous 7 sides.Therefore, can bring into play good heat sinking function.In the present embodiment, other action effects of thermal component 7 are identical with embodiment 1.
Claims (18)
1. a thermal component precoating aluminum alloy plate, it is to possess aluminium alloy plate, be formed at the 1st in one side wherein and film and be formed at the 2nd precoating aluminum alloy plate of filming on another side, it is characterized in that,
The described the 1st films, and has the thermal diffusivity better than the surface of described aluminium alloy plate,
The described the 2nd films, and has by heating and is dissolved or the softening adhesion function as sticker.
2. thermal component precoating aluminum alloy plate according to claim 1, is characterized in that,
The described the 1st films contains thermal diffusivity material in the 1st matrix resin, wherein, the softening point of the 1st matrix resin surpasses 150 ℃, by being selected from the polyurethane resin of fluororesin, number-average molecular weight 10000～40000, the epoxy resin of the vistanex of number-average molecular weight 10000～40000, number-average molecular weight 1000～15000, at least a kind in the mylar of number-average molecular weight 10000～40000 form.
3. thermal component precoating aluminum alloy plate according to claim 2, is characterized in that,
The described the 1st films contains one kind or two or more in titanium oxide as described thermal diffusivity material, carbon, silica, aluminium oxide, zirconia.
4. according to the thermal component precoating aluminum alloy plate described in claim 2 or 3, it is characterized in that,
The described the 1st films, with respect to described the 1st matrix resin of 100 weight portions, contain that to be selected from 0.5～200 weight portion and average grain diameter be titanium oxide, 0.5～25 weight portion of 0.1～100 μ m and be the carbon of fine powder powder, in the aluminium oxide of the silica of 0.5～200 weight portion, 0.5～200 weight portion and the zirconia of 0.5～200 weight portion at least a kind.
5. according to the thermal component precoating aluminum alloy plate described in any one in claim 1～4, it is characterized in that,
The described the 2nd films contains the 2nd matrix resin, and wherein, the softening point of the 2nd matrix resin is below 150 ℃, by being selected from one kind or two or more in acrylic resin, polyurethane resin, ionomer resin, vistanex, epoxy resin, mylar, forms.
6. thermal component precoating aluminum alloy plate according to claim 5, is characterized in that,
The described the 2nd films contains thermal conductivity material in described the 2nd matrix resin.
7. thermal component precoating aluminum alloy plate according to claim 6, is characterized in that,
Contain aluminium oxide, titanium oxide, silica, carbon or nickel as described thermal conductivity material.
8. according to the thermal component precoating aluminum alloy plate described in any one in claim 1～7, it is characterized in that,
When described the 1st softening point of filming is Tm
1℃, described the 2nd softening point of filming is Tm
2℃ time, Tm
1-Tm
2≤ 20.
9. according to the thermal component precoating aluminum alloy plate described in any one in claim 1～8, it is characterized in that,
The described the 1st films contains a kind or the inside wax of 2 kinds in Brazil wax, polyethylene, microwax, lanolin with described the 2nd at least one party who films.
10. a thermal component, is characterized in that, its be possess have for engage miscellaneous part composition surface bottom surface sections and from this bottom surface sections, erect the fin portions arranging,
Described bottom surface sections and described fin portions, consist of with precoating aluminum alloy plate the thermal component described in any one in bending process claim 1～9;
The described composition surface of described bottom surface sections, forms by having described the 2nd face of filming.
11. thermal components according to claim 10, is characterized in that,
Described fin portions, by by described thermal component with precoating aluminum alloy plate double flat so that the described the 1st film and arrive surface and two and overlappingly form.
12. thermal components according to claim 10, is characterized in that,
Described fin portions, not overlapping described thermal component precoating aluminum alloy plate is bent into corrugated by it and forms under the state of 1.
13. 1 kinds of thermal components, is characterized in that, it is that the thermal component described in any one in claim 1～9 is bent into the thermal component that corrugated forms with precoating aluminum alloy plate along a plurality of bending starting lines,
Described bending starting line form direction one distolateral on, have for engaging the engagement end portion of miscellaneous part.
14. thermal components according to claim 13, is characterized in that,
Described thermal component, under the state of axially aiming at described bending starting line, global shape is tubular, in axial one end of this tubular, has described engagement end portion.
15. thermal components according to claim 14, is characterized in that,
The global shape of described thermal component is cylindric.
16. thermal components according to claim 15, is characterized in that,
Have along the described a plurality of fin portions that are radially radial configuration cylindraceous, adjacent described fin portions is mutual connection respectively on described inner circumferential side cylindraceous and outer circumferential side, described inner circumferential side each other of described fin portions and the connecting portion of described outer circumferential side form on the plane along described circumferencial direction configuration cylindraceous or curved surface.
17. thermal components according to claim 16, is characterized in that,
On described connecting portion, form through hole.
18. according to the thermal component described in any one in claim 13～17, it is characterized in that,
Described thermal component is filmed as described outer circumferential side cylindraceous with the described the 1st of precoating aluminum alloy plate, and the described the 2nd films as described inner circumferential side cylindraceous.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-128277 | 2011-06-08 | ||
| JP2011128277 | 2011-06-08 | ||
| JP2012-125790 | 2012-06-01 | ||
| JP2012125790A JP5497102B2 (en) | 2011-06-08 | 2012-06-01 | Pre-coated aluminum alloy plate for heat dissipation member and heat dissipation member using the same |
| PCT/JP2012/064634 WO2012169569A1 (en) | 2011-06-08 | 2012-06-07 | Precoated aluminum alloy plate for heat dissipation members, and heat dissipation member using same |
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| CN103717393A true CN103717393A (en) | 2014-04-09 |
| CN103717393B CN103717393B (en) | 2015-11-25 |
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| CN201280028383.2A Expired - Fee Related CN103717393B (en) | 2011-06-08 | 2012-06-07 | Thermal component precoating aluminum alloy plate and use its thermal component |
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| KR (1) | KR101984482B1 (en) |
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| CN104235654A (en) * | 2014-09-19 | 2014-12-24 | 上虞市宏恩精密机械有限公司 | High-efficient radiating LED (light-emitting diode) lamp |
| JP2015231712A (en) * | 2014-06-10 | 2015-12-24 | 株式会社Uacj | Heat releasing aluminum coating material |
| CN109683438A (en) * | 2019-02-02 | 2019-04-26 | 杭州海珀森科技有限公司 | Rotate radiator structure and fluorescent wheel and projector with the structure |
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| JP6210449B2 (en) * | 2013-04-12 | 2017-10-11 | パナソニックＩｐマネジメント株式会社 | Lighting device |
| FR3041080B1 (en) * | 2015-09-14 | 2020-05-29 | Valeo Vision | THERMAL DISSIPATION DEVICE FOR A LIGHT MODULE OF A MOTOR VEHICLE |
| KR102084981B1 (en) | 2019-02-27 | 2020-04-23 | 주식회사 아이씨티나까조 | Drum type ice machine |
| JP2023074091A (en) * | 2021-11-17 | 2023-05-29 | 株式会社Uacj | Resin-coated aluminum alloy plate and resin composition for resin-coated aluminum alloy plate |
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- 2012-06-01 JP JP2012125790A patent/JP5497102B2/en not_active Expired - Fee Related
- 2012-06-07 WO PCT/JP2012/064634 patent/WO2012169569A1/en active Application Filing
- 2012-06-07 KR KR1020147000385A patent/KR101984482B1/en active IP Right Grant
- 2012-06-07 CN CN201280028383.2A patent/CN103717393B/en not_active Expired - Fee Related
- 2012-06-08 TW TW101120713A patent/TWI525187B/en not_active IP Right Cessation
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| JP2015231712A (en) * | 2014-06-10 | 2015-12-24 | 株式会社Uacj | Heat releasing aluminum coating material |
| CN104235654A (en) * | 2014-09-19 | 2014-12-24 | 上虞市宏恩精密机械有限公司 | High-efficient radiating LED (light-emitting diode) lamp |
| CN109683438A (en) * | 2019-02-02 | 2019-04-26 | 杭州海珀森科技有限公司 | Rotate radiator structure and fluorescent wheel and projector with the structure |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI525187B (en) | 2016-03-11 |
| KR20140035994A (en) | 2014-03-24 |
| CN103717393B (en) | 2015-11-25 |
| TW201319233A (en) | 2013-05-16 |
| KR101984482B1 (en) | 2019-05-31 |
| JP2013014132A (en) | 2013-01-24 |
| JP5497102B2 (en) | 2014-05-21 |
| WO2012169569A1 (en) | 2012-12-13 |
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