CN104100951B - Combined radiator - Google Patents
Combined radiator Download PDFInfo
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- CN104100951B CN104100951B CN201410385411.7A CN201410385411A CN104100951B CN 104100951 B CN104100951 B CN 104100951B CN 201410385411 A CN201410385411 A CN 201410385411A CN 104100951 B CN104100951 B CN 104100951B
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Abstract
The invention relates to a combined radiator. The combined radiator comprises a heat conducting base, a heat dissipating main body and a plurality of heat transfer pieces. The heat conducting base comprises a plurality of heat conducting parts, a plurality of extension parts extending from the heat conducting parts and a plurality of heat conducting branches fixedly connected with the extension parts. First fixing holes are formed in the heat conducting parts. The heat dissipating main body comprises a heat dissipating part and a plurality of radiating fins arranged at one side of the heat dissipating part; second fixing holes are formed at the other side of the heat dissipating part. Each heat transfer piece comprises a heat transfer part, and a first fixed part and a second fixed part which are fixedly arranged at the end portions of the two ends of the heat transfer part, respectively; the first fixed part is embedded in the corresponding first fixing hole, while the second fixed part is embedded in the corresponding second fixing hole. The combined radiator is easy to assemble and repair due to a plurality of detachable or combinable heat transfer pieces arranged between the heat conducting base and the heat dissipating main body. In addition, the heat dissipating path of the combined radiator is optimized so that the radiator is relatively excellent in heat dissipation property and heat conducting property.
Description
Technical field
The present invention relates to LED lamp radiator field, more particularly to a kind of combined radiator.
Background technology
Led (light emitting diode, light emitting diode), it can directly and efficiently convert electrical energy into visible
Light, and have the service life up to tens thousand of hours～100,000 hour.It is widely used in landscape, safety, special type and common photograph
The field such as bright, market potential is beyond measure.
LED lamp is to be referred to as the most frequently used lighting the advantages of of fine quality, durable, energy-conservation.But, current led
In light fixture, playing main heat sink effect is radiator, in the heat transfer that LED lamp operationally produces to radiator, and further
Transfer heat to the in the air in the external world by radiator, and then heat is scattered away, to ensure that LED lamp can continue normal work
Make.
At present, adopting aluminum alloy materials existing radiator more, but current aluminium alloy is in heat conductivity or inadequate reason
Think, in particular for powerful LED lamp.And, existing LED lamp merely adopt aluminium alloy as heat sink material it is difficult to
Meet its radiating requirements, causing the reliability of LED lamp work to reduce, thus affecting illumination effect, reducing the use of LED lamp
Life-span.
Additionally, existing radiator is all to be integrally formed design it is impossible to realizing self disassembling, assembling and deformation.Especially enter
During row overall assembling drawn game portion maintenance operation, it will and its inconvenience.Therefore, some radiators are also because some glitch cannot
Keep in repair and go out of use, cause greatly to waste.
Patent cn102301021a discloses a kind of yield strength and elongation percentage is excellent, and not easy-sintering, replace adc
The 10 and adc 12 compression casting aluminium alloys obtaining and the high toughness Al-alloy foundry goods with this alloy compression casting.Its feature exists
In this aluminium alloy contains: below weight %, fe:0.55 weight % of si:4.0～9.0 weight %, mg:0.5～1.0, mn:0.30
～0.6 weight % and cr:0.10～0.25 weight %, surplus comprises al and inevitable impurity.
Patent cn101248200a discloses a kind of cast aluminium alloy gold comprising at least following 5 kinds of alloying components: si:2.5
, to 3.3 weight %, preferably 2.7 weight % are to 3.1 weight % for weight %；Mg:0.2 weight % is to 0.7 weight %, preferably 0.3 weight
Amount % to 0.6 weight %；Fe:＜ 0.18 weight %, preferably 0.05 weight % is to 0.16 weight %；Mn:＜ 0.5 weight %, excellent
Select 0.05 weight % to 0.4 weight %；Ti:＜ 0.1 weight %, preferably 0.01 weight % is to 0.08 weight %；Sr:＜ 0.03 weight
Amount %, preferably 0.01 weight % is to 0.03 weight %；Other: < 0.1 weight %；Under above-mentioned condition, balance of al, make the summation be
100 weight %.
Patent cn103469034a discloses a kind of led radiator aluminum alloy and preparation method thereof.It is characterized in that, should
Aluminium alloy each element consists of by mass percentage: si2.2-2.8, cu1.5-2.5, mg1.1-1.6, zn3.7-4.4, mn0.6-
1.2、fe0.5-1、ni0.4-0.8、cr0.2-0.3、ti0.15-0.25、ge0.08-0.12、th0.04-0.07、y0.03-
0.05th, sm0.02-0.03, tb0.02-0.03, balance of aluminum.
Aluminium alloy yield strength that patent cn102301021a and cn101248200a are provided and elongation percentage preferably, but
Heat conductivity poor it is difficult to meet LED lamp radiating requirements.Although the aluminium alloy heat conductivity phase that patent cn103469034a is provided
To preferable, but merely also still can not meet the radiating requirements of LED lamp using aluminium alloy.
Content of the invention
Based on this it is necessary to provide a kind of be easily assembled maintenance, heat conductivility is preferable and heat dispersion is stronger combination
Formula radiator.
A kind of combined radiator is it is characterised in that include: heat-conducting base, heat sink body and some heat transfer pieces；
Described heat-conducting base include several heat-conducting parts, by described heat-conducting part side wall laterally be extended several
Several heat conduction branches that extension and two ends end are fixedly connected with two extensions respectively, each described heat-conducting part passes through described
Extension and described heat conduction branch form closing structure, and described heat-conducting part offers the first fixing hole；
Several radiating fins that described heat sink body includes radiating part and is fixedly installed on described radiating part side, institute
State radiating part and offer the second fixing hole away from described radiating fin side；
The first fixed part that described heat transfer piece includes heat transfer part and is fixedly installed on described heat transfer part two ends end respectively
And second fixed part, described first fixed part is embedded at the described first fixing in the hole, and described second fixed part is embedded at described
Second fixing in the hole.
In one of embodiment, described radiating part offers several louvres.
In one of embodiment, described louvre runs through described radiating part, and two openings of described louvre all with
Extraneous connection.
In one of embodiment, the side wall of each described heat-conducting part is also extended an installation portion laterally.
In one of embodiment, described installation portion offers installing hole.
In one of embodiment, described heat transfer part is located at the connection of described first fixed part and described first fixing hole
Place is provided with the first fixing lug boss.
In one of embodiment, described heat transfer part is located at the connection of described second fixed part and described second fixing hole
Place is provided with the second fixing lug boss.
In one of embodiment, described heat transfer piece includes each component of following mass parts: 45 parts～52 parts of copper, 47 parts of aluminum
～54 parts, 0.3 part～0.7 part of magnesium, 0.2 part～0.8 part of ferrum, 0.2 part～0.5 part of manganese, 0.05 part～0.3 part of titanium, 0.05 part of chromium
～0.1 part and 0.05 part～0.3 part of vanadium.
In one of embodiment, described heat sink body includes each component of following mass parts: 88 parts～93 parts of aluminum, silicon
5.5 parts～10.5 parts, 0.3 part～0.7 part of magnesium, 0.05 part～0.3 part of copper, 0.2 part～0.8 part of ferrum, 0.2 part～0.5 part of manganese, titanium
0.05 part～0.3 part, 0.05 part～0.1 part of chromium and 0.05 part～0.3 part of vanadium.
Combinations thereof formula radiator passes through to arrange several detachable or assemblings between heat-conducting base and heat sink body
Several heat transfer pieces it is easy to assembling and keep in repair.Additionally, the heat-conducting base being sequentially connected by setting, heat transfer piece and radiating
Main body, and the heat-conductive characteristic of heat-conducting base, heat transfer piece and heat sink body successively decreases successively, defines heat-conductive characteristic ladder
Degree, thus optimizing the heat dissipation path of combined radiator further, heat dispersion is preferable compared with strong and heat conductivility.
Brief description
Fig. 1 is the structural representation of the combined radiator of an embodiment of the present invention；
Fig. 2 is the structural representation of the heat-conducting base shown in Fig. 1；
Fig. 3 is the structural representation of the heat-conducting base of another embodiment of the present invention；
Fig. 4 is the overlooking the structure diagram of the heat sink body shown in Fig. 1；
Fig. 5 is the structural representation of the heat transfer piece shown in Fig. 1；
Fig. 6 is the overlooking the structure diagram of the heat transfer piece shown in Fig. 5；
Fig. 7 is the overlooking the structure diagram at another visual angle of heat transfer piece shown in Fig. 5.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate a lot of details in order to fully understand this in the following description
Bright.But the present invention can be much to implement different from alternate manner described here, and those skilled in the art can be not
Similar improvement is done, therefore the present invention is not limited by following public specific embodiment in the case of running counter to intension of the present invention.
Refer to Fig. 1, if the combined radiator 10 of an embodiment include heat-conducting base 100, heat sink body 200 and
Dry heat transfer piece 300.The two ends end of heat transfer piece 300 is respectively arranged on heat-conducting base 100 and heat sink body 200, so that
Heat-conducting base 100, heat sink body 200 and several heat transfer pieces 300 three's phase are fixed.It is appreciated that the heat that LED lamp produces
Pass to heat-conducting base 100 first, again heat transfer piece 300 is passed to by heat-conducting base 100 afterwards, finally passed by heat transfer piece 300 again
Pass heat sink body 200, and then scattered away by heat sink body 200 again.And, in the transmission dispersion process of LED lamp heat, heat conduction
Base 100, heat transfer piece 300 and heat sink body 200 are all to extraneous air dissipated heat.
Refer to Fig. 2, heat-conducting base 100 include several heat-conducting parts 110, several extensions 120 and several lead
Hot branch 130.
First fixing hole 111 is offered on heat-conducting part 110.Extension 120 is extended laterally by the side wall of heat-conducting part 110 and sets
Put and formed, for example, it has the first extension and the second extension, the angle of described first extension and described second extension
For 100 degree to 150 degree, while maintaining Stability Analysis of Structures, to strengthen cooling surface area, obtain more preferable radiating effect.Heat conduction
The two ends end of branch 130 connects an extension 120 respectively, so that each heat-conducting part 110 passes through extension 120 and 130 groups of heat conduction branch
Become closing structure.That is, heat-conducting part 110, extension 120 and heat conduction branch 130 are in turn connected to form closed figures.
In order that the terminal with compact integral structure of heat-conducting base 100 is well-balanced, there is industrial design sense.For example, heat-conducting part 110 is four
Individual, heat conduction branch 130 is four, side wall extended two extensions 120 laterally of each heat-conducting part 110, each heat-conducting part 110,
Each extension 120 and each heat conduction branch 130 are in turn connected to form the rectangular-shaped heat-conducting base 100 of closing structure, as such, it is possible to make
The terminal with compact integral structure of heat-conducting base 100 is well-balanced, has industrial design sense.And for example, heat-conducting base 100 is integrated cast molding knot
Structure, to strengthen the mechanical performance of heat-conducting base 100.
In order to further enhance radiating effect, for example, in described closing structure, setting one connects the breach of extraneous air, institute
State breach and can form independent heat-dissipating space and radiated, the heat conducting and radiating synergism with heat-conducting base 100 itself, this
Outward, also increase radiating specific surface area, such that it is able to further enhance radiating effect.
For the ease of the installation of LED lamp, for example, heat conduction branch 130 arranges several installation positions, as such, it is possible to be easy to led
The installation of lamp, further, it is also possible to optimize LED lamp distribution spatially, to increase the range of exposures that LED lamp launches light, and
And make light irradiate the brightness uniformity unification in each region in space, be conducive to obtaining more preferable illuminating effect.
For the ease of installing heat-conducting base 100, to be easily assembled, for example, the side wall of each heat-conducting part 110 also extends laterally
One installation portion 140 being set, for heat-conducting base 100 being installed to the installing rack of light fixture, and for example, described installation portion offering
Installing hole 141, installation portion 140 is installed on the installing rack of light fixture by installing hole 141, as such, it is possible to be easily installed heat conduction bottom
Seat 100, to be easily assembled.
For the ease of installing heat-conducting base 100a, to be easily assembled, for example, refer to Fig. 3, it is another enforcement of the present invention
The structural representation of the heat-conducting base 100a of mode, the both sides of heat-conducting base 100a are provided with buckle 110a, are used for being arranged in lamp
On the installing rack of tool, as such, it is possible to be easily installed heat-conducting base 100a, to be easily assembled.
It should be noted that the described heat-conducting base 100 of the various embodiments described above adopts engraved structure, on the one hand, can be true
Protect described heat-conducting part, described extension, described heat conduction branch and described installation portion quickly to pass the heat that LED lamp produces in time
Pass described heat transfer piece, finally more described heat sink body is passed to by described heat transfer piece, play conductive force, on the other hand, also
Several heat dissipation channels can be internally formed in described heat-conducting base, and each described heat dissipation channel all can form independent radiating
Being radiated in space, plays auxiliary heat dissipation effect, further enhance radiating effect, share and bear described heat transfer piece and institute
State the radiating load of heat sink body.
Refer to Fig. 1, the heat radiating fin that heat sink body 200 includes radiating part 210 and is fixedly installed on radiating part 210 side
Piece 220.
Refer to Fig. 4, radiating part 210 offers the second fixing hole 211 away from the side of radiating fin 220.Refer to figure
1, several radiating fins 220 are arranged at intervals on radiating part 210 successively, for playing main heat sink effect.For example, radiating fin
220 is lamellar, and and for example, radiating fin 220 is cutting-edge structure, and for example, the two of radiating fin 220 away from the end of radiating part 210
The connection of two side edge respectively at radiating part 210 for the side, that is, the length of radiating fin 220 is equal to the width of radiating part 210.
As such, it is possible to strengthen heat sink body 200 radiating effect.
In order to further enhance the radiating effect of radiating part 210, for example, refer to Fig. 1, if offering on radiating part 210
Dry louvre 212, louvre 212 can increase radiating part 210 radiating specific surface area, such that it is able to further enhance radiating part
210 radiating effect.And for example, louvre 212 runs through radiating part 210, and two openings of louvre 212 are all in communication with the outside,
So, each louvre 212 can form the independent heat-dissipating space being in communication with the outside, to form air thermal convection current radiating, thus
The radiating effect of radiating part 210 can further be strengthened.And for example, it is respectively provided with two at two openings of louvre 212
Turn to contrary radiator fan.
In order to ensure the thermolysis of louvre 212, and avoid louvre 212 to radiating part 210 to radiating fin 220
Produce impact during transmission heat, for example, refer to Fig. 1, louvre 212 is at the link position of heat transfer piece 300 and radiating part 210
Densely distributed degree be less than radiating part 210 other positions on densely distributed degree, so, both ensure that louvre 212
Thermolysis, turn avoid louvre 212 on radiating part 210 to radiating fin 220 transmission heat when produce impact.
Refer to Fig. 5, heat transfer piece 300 includes heat transfer part 310, the first fixed part 320 and the second fixed part 330.First
Fixed part 320 and the second fixed part 330 are fixedly installed on the two ends end of heat transfer part 310 respectively.First fixed part 320 is embedded
In the first fixing hole 111, so that heat transfer piece 300 is mutually fixed with heat-conducting base 100.It is solid that second fixed part 330 is embedded at second
Determine in hole 211, so that heat transfer piece 300 is mutually fixed with heat sink body 200.
In order to further enhance fixed effect, to prevent heat transfer piece 300 and heat-conducting base 100 and 200 points of heat sink body
From for example, the lateral wall of the first fixed part 320 is in close contact with the medial wall of the first fixing hole 111, the second fixed part 330
Lateral wall is in close contact with the medial wall of the second fixing hole 211.As such, it is possible to further enhance fixed effect, to prevent from conducting heat
Part 300 is separated with heat-conducting base 100 and heat sink body 200.
In order to further enhance fixed effect, to prevent heat transfer piece 300 and heat-conducting base 100 and 200 points of heat sink body
From for example, referring to Fig. 1 and Fig. 5, heat transfer part 310 set with the junction of the first fixing hole 111 positioned at the first fixed part 320
It is equipped with the first fixing lug boss 311, heat transfer part 310 is provided with the junction of the second fixing hole 211 positioned at the second fixed part 330
Second fixing lug boss 312.
In order to further enhance fixed effect, to prevent heat transfer piece 300 and heat-conducting base 100 and 200 points of heat sink body
From, and make combined radiator 10 entirety be easily assembled maintenance, for example, refer to Fig. 2, the first fixing hole 111 medial wall
On offer several the first fixing grooves 111a, several first fixing grooves 111a along the circumferential edge of the first fixing hole 111 are in
Radial distribution, the two side of the first fixing groove 111a all offers the first chamfering 111b, so that the opening of the first fixing groove 111a
Mouth width is less than the bottom width of the first fixing groove 111a.Refer to Fig. 4, the second fixing hole 211 medial wall offers some
Individual second fixing groove 211a, several second fixing grooves 211a radially distribute along the circumferential edge of the second fixing hole 211, the
The two side of two fixing grooves 211a all offers the second chamfering 211b, so that the A/F of the second fixing groove 211a is less than second
The bottom width of fixing groove 211a.Refer to Fig. 2 and Fig. 6, the first fixed part 320 is circumferentially arranged radially several in edge
First fixed block 321, and the two side of the first fixed block 321 offered respectively and fallen with two first of the first fixing groove 111a
Two the first lead angle 321a of angle 111b cooperation, that is, the first lead angle 321a and the first chamfering 111b abut against, as such, it is possible to make
Prevent heat transfer piece 300 heat-conducting base 100 relatively from rotating, to prevent heat transfer piece 300 from separating with heat-conducting base 100, so that
Obtain heat transfer piece 300 more securely mutually to fix with heat-conducting base 100, additionally, the first lead angle 321a is matched with the first chamfering 111b
Also act as installation guide effect, be easy to assembling maintenance.Refer to Fig. 4 and Fig. 7, circumferentially edge is in radiation to the second fixed part 330
Shape arranges several the second fixed parts 331, and the two side of the second fixed part 331 offers and the second fixing groove 211a respectively
Two second chamfering 211b cooperation two the second lead angle 331a, that is, the second lead angle 331a and the second chamfering 211b abut against,
As such, it is possible to make to prevent heat transfer piece 300 heat sink body 200 relatively from rotating, to prevent heat transfer piece 300 and heat sink body
200 separate, so that heat transfer piece 300 is more securely mutually fixed with heat sink body 200, additionally, the second lead angle 331a and second
Chamfering 211b matches and also acts as installation guide effect, is easy to assembling maintenance.
Combinations thereof formula radiator 10 is removable by arranging several between heat-conducting base 100 and heat sink body 200
Several heat transfer pieces 300 unloading or assembling are it is easy to assembling and keeping in repair.Additionally, the heat-conducting base 100 being sequentially connected by setting,
Heat transfer piece 300 and heat sink body 200, and the heat conductivity of heat-conducting base 100, heat transfer piece 300 and heat sink body 200
Can successively decrease successively, define heat-conductive characteristic gradient, thus optimizing the heat dissipation path of combined radiator 10 further, radiating
Performance is preferable compared with strong and heat conductivility.
For example, the thickness of heat-conducting base 100 is 1mm～2mm, and the length of heat transfer piece 300 is 5mm～10mm, heat sink body
200 height is 20mm～30mm, as such, it is possible to make radiating effect preferable.
For example, in described combined radiator, the material of heat-conducting base, heat transfer piece and heat sink body is identical or different
Setting, for example, by arranging heat-conducting base, heat transfer piece and the heat sink body being sequentially connected, and, heat-conducting base, heat transfer piece
And the heat-conductive characteristic of heat sink body successively decreases successively, define heat-conductive characteristic gradient, thus optimizing described group further
The heat dissipation path of combined radiator, drastically increases the heat dispersion of described combined radiator, disclosure satisfy that caloric value is big
LED lamp radiating requirements, there is wide variety of market value basis.
For example, the heat-conducting base of an embodiment, it includes each component of following mass parts:
95 parts～96.5 parts of copper, 2 parts～3.2 parts of aluminum, 0.2 part～0.25 part of magnesium, 0.4 part～0.9 part of ferrum, 0.2 part of manganese～
0.3 part, 0.2 part～0.3 part of titanium, 0.1 part～0.2 part of chromium and 0.1 part～0.2 part of vanadium.
For example, the heat-conducting base of an embodiment, it includes each component of following mass parts:
95 parts～96.5 parts of copper, 2 parts～3.2 parts of aluminum, 0.2 part～0.25 part of magnesium, 0.4 part～0.9 part of ferrum, 0.2 part of manganese～
0.3 part, 0.2 part～0.3 part of titanium, 0.1 part～0.2 part of chromium, 0.1 part～0.2 part of vanadium and 1 part～2.5 parts of silicon.
For example, the heat transfer piece of an embodiment, it includes each component of following mass parts:
45 parts～52 parts of copper, 47 parts～54 parts of aluminum, 0.3 part～0.7 part of magnesium, 0.2 part～0.8 part of ferrum, manganese 0.2 part～0.5
Part, 0.05 part～0.3 part of titanium, 0.05 part～0.1 part of chromium and 0.05 part～0.3 part of vanadium.
Above-mentioned heat transfer piece contains the aluminum of the copper that mass parts are 45 parts～52 parts and 47 parts～54 parts, so that heat transfer piece
The coefficient of heat conduction be maintained at 300w/mk～350w/mk, to ensure that the LED lamp being absorbed by heat-conducting base can produce by heat transfer piece
Raw heat is quickly transmitted to heat sink body, and then prevents heat from piling up on heat transfer piece, causes hot-spot phenomenon to produce.
With respect to prior art, merely adopt price costly and the larger copper of quality or copper alloy, above-mentioned heat transfer piece was both permissible
Ensure the heat transfer of heat-conducting base quickly to heat sink body there is lighter weight again, to be easily installed casting, price less expensive
Advantage.Meanwhile, with respect to prior art, merely adopt the poor aluminium alloy of radiating effect, above-mentioned heat transfer piece has more preferably
Heat transfer property.
Additionally, heat transfer piece contain the magnesium that mass parts are 0.3 part～0.7 part, 0.2 part～0.8 part of ferrum, 0.2 part～0.5 part
Manganese, 0.05 part～0.3 part of titanium, the vanadium of 0.05 part～0.1 part of chromium and 0.05 part～0.3 part, improve heat transfer piece
Yield strength, tensile strength and resistance to elevated temperatures.For example, find, heat transfer piece contains through many experiments evidence and theory analysis
Mass parts are 0.3 part～0.7 part of magnesium, can give heat transfer piece yield strength and tensile strength to a certain extent, due to upper
State combined radiator in the fabrication process, need to be integrally formed heat-conducting base, heat transfer piece and heat sink body entirety punching press,
This is accomplished by heat sink body and has stronger yield strength, to prevent heat sink body to be subject to excessive punching press stress in process
Produce non-reversible deformation, and then guarantee the proper heat reduction performance of combinations thereof formula radiator.When the relative mass of magnesium is too low, example
As mass parts are less than when 0.3 part it is impossible to substantially ensure that the yield strength satisfaction requirement of heat transfer piece, however, the relative mass when magnesium
When too high, such as, when mass parts are more than 0.7 part, ductility and the heat conductivility dramatic decrease of heat transfer piece can be made again.For example,
Heat transfer piece contains the ferrum that mass parts are 0.2 part～0.8 part, can give the higher resistance to elevated temperatures of heat transfer piece and high temperature resistant machinery
Performance, beneficial to the processing casting of heat transfer piece.
For example, the heat transfer piece of an embodiment, it includes each component of following mass parts:
47 parts～50 parts of copper, 49 parts～52 parts of aluminum, 0.2 part～0.7 part of magnesium, 0.2 part～0.7 part of ferrum, manganese 0.2 part～0.5
Part, 0.1 part～0.3 part of titanium, 0.05 part～0.1 part of chromium and 0.1 part～0.3 part of vanadium.
For example, the heat transfer piece of an embodiment, it includes each component of following mass parts:
45 parts of copper, 47 parts of aluminum, 0.3 part of magnesium, 0.2 part of ferrum, 0.2 part of manganese, 0.05 part of titanium, 0.05 part of chromium and 0.05 part of vanadium.
And for example, the heat transfer piece of an embodiment, it includes each component of following mass parts:
50 parts of copper, 48 parts of aluminum, 0.5 part of magnesium, 0.6 part of ferrum, 0.4 part of manganese, 0.2 part of titanium, 0.08 part of chromium and 0.2 part of vanadium.
And for example, the heat transfer piece of an embodiment, it includes each component of following mass parts:
52 parts of copper, 54 parts of aluminum, 0.7 part of magnesium, 0.8 part of ferrum, 0.5 part of manganese, 0.3 part of titanium, 0.1 part of chromium and 0.3 part of vanadium.
For example, the heat sink body of an embodiment, it includes each component of following mass parts:
88 parts～93 parts of aluminum, 5.5 parts～10.5 parts of silicon, 0.3 part～0.7 part of magnesium, 0.05 part～0.3 part of copper, 0.2 part of ferrum～
0.8 part, 0.2 part～0.5 part of manganese, 0.05 part～0.3 part of titanium, 0.05 part～0.1 part of chromium and 0.05 part～0.3 part of vanadium.
Above-mentioned heat sink body contains the aluminum that mass parts are 88 parts～93 parts, so that the coefficient of heat conduction of heat sink body is protected
Hold in 200w/mk～220w/mk, when the heat that LED lamp produces is after heat-conducting base and heat transfer piece part radiate, remaining
When heat passes to heat sink body by heat transfer piece again, heat sink body may insure these remaining heats by consistent ground
Scatter away, and then prevent heat from piling up on heat sink body, cause hot-spot phenomenon.
Additionally, heat sink body contain the silicon that mass parts are 5.5 parts～10.5 parts, 0.3 part～0.7 part of magnesium, 0.05 part～
0.3 part of copper, 0.2 part～0.8 part of ferrum, 0.2 part～0.5 part of manganese, 0.05 part～0.3 part of titanium, 0.05 part～0.1 part
The vanadium of chromium and 0.05 part～0.3 part, can significantly improve the heat dispersion of heat sink body.For example, heat sink body contains matter
Amount part be 5.5 parts～10.5 parts of silicon and 0.05 part～0.3 part of copper it can be ensured that heat sink body have good mechanical properties and
The advantage of lighter weight, at the same time it can also improve the heat-conductive characteristic of heat sink body further, further ensures that heat sink body can
Will scatter away via the after-heat consistent after heat-conducting base and heat transfer piece transmission, and then prevent heat in radiating master
Pile up on body, cause hot-spot phenomenon.
For example, heat sink body also includes the lead (pb) that mass parts are 0.3 part～0.6 part, when heat sink body contain 0.3 part～
0.6 part of lead can improve the tensile strength of heat sink body, as such, it is possible to prevent from working as to be cast heat sink body striking out radiating
Fin, that is, during laminated structure, ruptures due to being pullled stress by excessive punching press.
For example, heat sink body also includes the niobium (nb) that mass parts are 0.02 part～0.04 part, through many experiments evidence and reason
Find by analysis, when the mass parts of niobium are more than 0.02 part, the antioxygenic property of heat sink body, Ke Yili can be greatly enhanced
Solution, as maximum with contacting external air area part in combined radiator, it is to high temperature oxidation resistance for heat sink body
Require higher.However, when the mass parts of niobium are more than 0.04 part, the magnetic of heat sink body can be led to sharply increase, can be to LED lamp
Miscellaneous part in tool produces impact.
For example, heat sink body also includes the germanium (ge) that mass parts are 0.02 part～0.03 part, through many experiments evidence and reason
Find by analysis, when the mass parts of germanium are more than 0.02 part, the raising of the heat dispersion of heat sink body can be played unexpected
Effect, however, when the quality accounting of germanium is excessive, such as the mass parts of germanium are more than 2 parts, the brittleness of heat sink body can be made to increase again
Plus.
For example, the heat sink body of an embodiment, it includes each component of following mass parts:
90 parts～93 parts of aluminum, 5.5 parts～8.5 parts of silicon, 0.3 part～0.7 part of magnesium, 0.05 part～0.3 part of copper, 0.2 part of ferrum～
0.7 part, 0.2 part～0.5 part of manganese, 0.05 part～0.3 part of titanium, 0.05 part～0.1 part of chromium and 0.05 part～0.2 part of vanadium.
For example, the heat sink body of an embodiment, it includes each component of following mass parts:
88 parts of aluminum, 5.5 parts of silicon, 0.3 part of magnesium, 0.05 part of copper, 0.2 part of ferrum, 0.2 part of manganese, 0.05 part of titanium, 0.05 part of chromium and
0.05 part of vanadium.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
90 parts of aluminum, 8 parts of silicon, 0.5 part of magnesium, 0.2 part of copper, 0.6 part of ferrum, 0.4 part of manganese, 0.1 part of titanium, 0.08 part and vanadium 0.25
Part.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
93 parts of aluminum, 10.5 parts of silicon, 0.7 part of magnesium, 0.3 part of copper, 0.8 part of ferrum, 0.5 part of manganese, 0.3 part of titanium, 0.1 part of chromium and vanadium
0.3 part.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
88 parts of aluminum, 5.5 parts of silicon, 0.3 part of magnesium, 0.05 part of copper, 0.2 part of ferrum, 0.2 part of manganese, 0.05 part of titanium, 0.05 part of chromium, vanadium
0.05 part and 0.3 part of lead.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
88 parts of aluminum, 5.5 parts of silicon, 0.3 part of magnesium, 0.05 part of copper, 0.2 part of ferrum, 0.2 part of manganese, 0.05 part of titanium, 0.05 part of chromium, vanadium
0.05 part and 0.5 part of lead.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
88 parts of aluminum, 5.5 parts of silicon, 0.3 part of magnesium, 0.05 part of copper, 0.2 part of ferrum, 0.2 part of manganese, 0.05 part of titanium, 0.05 part of chromium, vanadium
0.05 part and 0.6 part of lead.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
90 parts of aluminum, 8 parts of silicon, 0.5 part of magnesium, 0.2 part of copper, 0.6 part of ferrum, 0.4 part of manganese, 0.1 part of titanium, 0.08 part of chromium, vanadium 0.25
Part and 0.02 part of niobium.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
90 parts of aluminum, 8 parts of silicon, 0.5 part of magnesium, 0.2 part of copper, 0.6 part of ferrum, 0.4 part of manganese, 0.1 part of titanium, 0.08 part of chromium, vanadium 0.25
Part and 0.03 part of niobium.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
90 parts of aluminum, 8 parts of silicon, 0.5 part of magnesium, 0.2 part of copper, 0.6 part of ferrum, 0.4 part of manganese, 0.1 part of titanium, 0.08 part of chromium, vanadium 0.25
Part and 0.04 part of niobium.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
93 parts of aluminum, 10.5 parts of silicon, 0.7 part of magnesium, 0.3 part of copper, 0.8 part of ferrum, 0.5 part of manganese, 0.3 part of titanium, 0.1 part of chromium, vanadium 0.3
Part and 0.02 part of germanium.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
93 parts of aluminum, 10.5 parts of silicon, 0.7 part of magnesium, 0.3 part of copper, 0.8 part of ferrum, 0.5 part of manganese, 0.3 part of titanium, 0.1 part of chromium, vanadium 0.3
Part and 0.025 part of germanium.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
93 parts of aluminum, 10.5 parts of silicon, 0.7 part of magnesium, 0.3 part of copper, 0.8 part of ferrum, 0.5 part of manganese, 0.3 part of titanium, 0.1 part of chromium, vanadium 0.3
Part and 0.03 part of germanium.
And for example, the heat sink body of an embodiment, it includes each component of following mass parts:
88 parts of aluminum, 5.5 parts of silicon, 0.3 part of magnesium, 0.05 part of copper, 0.2 part of ferrum, 0.2 part of manganese, 0.05 part of titanium, 0.05 part of chromium, vanadium
0.05 part, 0.5 part of lead, 0.03 part of niobium and 0.025 part of germanium.
It should be noted that existing radiator, aluminium alloy is merely adopted to manufacture raw material as radiator, due to existing
Aluminium alloy radiating effect not ideal enough, lead to radiator heat-dissipation load excessive, radiating effect is not ideal enough, in particular for big
The LED lamp of power, is even more difficult to meet its needs that radiate.
Combinations thereof formula radiator passes through heat-conducting base, heat transfer piece and the heat sink body that setting is sequentially connected, and, leads
The heat-conductive characteristic of hot base, heat transfer piece and heat sink body successively decreases successively, defines heat-conductive characteristic gradient, thus further
Optimize the heat dissipation path of combined radiator, drastically increase the heat dispersion of combined radiator, disclosure satisfy that heating
Measure the radiating requirements of big LED lamp.For simple copper alloy, combinations thereof formula heatsink mass is lighter, and cost is relatively
Low.For simple aluminium alloy, the heat dispersion of combinations thereof formula radiator is more excellent.Additionally, the present invention goes back pin
To heat-conducting base, the heat transfer piece and heat sink body not same-action played in combined radiator, joined by improved quality
Than, improve resistance to elevated temperatures, toughness and the intensity of heat-conducting base, improve the yield strength of heat transfer piece, tensile strength with
And resistance to elevated temperatures, improve heat-conductive characteristic and the antioxygenic property of heat sink body.
Provide some specific embodiments below again, the present invention will be described for continuation.
Embodiment 1
The vanadium of the copper of 950g, the aluminum of 35g, the nickel of 2g, the ferrum of 8g, the manganese of 3g, the titanium of 2g, the chromium of 2g and 2g is mixed,
Then put in melting furnace, after fusing, obtain solution, then carry out the refinement treatment such as Dehydroepiandrosterone derivative and removing impurities process, then process
Solution-cast afterwards, in predetermined mould, obtains heat-conducting base after solidification.
The vanadium of the copper of 500g, the aluminum of 480g, the magnesium of 5g, the ferrum of 6g, the manganese of 4g, the titanium of 2g, the chromium of 0.8g and 2g is mixed
Close, then put in melting furnace, after fusing, obtain solution, then carry out the refinement treatment such as Dehydroepiandrosterone derivative and removing impurities process, then
Solution-cast after process, in predetermined mould, obtains heat transfer piece after solidification.
By the aluminum of 900g, the silicon of 80g, the magnesium of 5g, the copper of 2g, the ferrum of 6g, the manganese of 4g, the titanium of 1g, the chromium of 0.8g and
The vanadium mixing of 0.5g, then puts in melting furnace, obtains solution after fusing, then carries out Dehydroepiandrosterone derivative and removing impurities process etc. refined
Process, the solution-cast after then processing, in predetermined mould, obtains heat sink body after solidification.
The assembling of heat-conducting base, heat transfer piece and heat sink body is obtained combined radiator.
Embodiment 2
The vanadium of the copper of 930g, the aluminum of 20g, the nickel of 1g, the ferrum of 2g, the manganese of 1g, the titanium of 1g, the chromium of 1g and 1g is mixed,
Then put in melting furnace, after fusing, obtain solution, then carry out the refinement treatment such as Dehydroepiandrosterone derivative and removing impurities process, then process
Solution-cast afterwards, in predetermined mould, obtains heat-conducting base after solidification.
By the copper of 450g, the aluminum of 470g, the magnesium of 3g, the ferrum of 2g, the manganese of 2g, the titanium of 0.5g, the chromium of 0.5g and 0.5g
Vanadium mixes, and then puts in melting furnace, obtains solution after fusing, then carries out the refinement treatment such as Dehydroepiandrosterone derivative and removing impurities process,
Then the solution-cast after processing, in predetermined mould, obtains heat transfer piece after solidification.
By the aluminum of 930g, the silicon of 105g, the magnesium of 7g, the copper of 3g, the ferrum of 8g, the manganese of 5g, the titanium of 3g, the chromium of 1g and 3g
Vanadium mixes, and then puts in melting furnace, obtains solution after fusing, then carries out the refinement treatment such as Dehydroepiandrosterone derivative and removing impurities process,
Then the solution-cast after processing, in predetermined mould, obtains heat sink body after solidification.
The assembling of heat-conducting base, heat transfer piece and heat sink body is obtained combined radiator.
Embodiment 3
The vanadium of the copper of 970g, the aluminum of 45g, the nickel of 3g, the ferrum of 12g, the manganese of 4g, the titanium of 3g, the chromium of 3g and 3g is mixed,
Then put in melting furnace, after fusing, obtain solution, then carry out the refinement treatment such as Dehydroepiandrosterone derivative and removing impurities process, then process
Solution-cast afterwards, in predetermined mould, obtains heat-conducting base after solidification.
The vanadium of the copper of 520g, the aluminum of 540g, the magnesium of 7g, the ferrum of 8g, the manganese of 5g, the titanium of 3g, the chromium of 1g and 3g is mixed,
Then put in melting furnace, after fusing, obtain solution, then carry out the refinement treatment such as Dehydroepiandrosterone derivative and removing impurities process, then process
Solution-cast afterwards, in predetermined mould, obtains heat transfer piece after solidification.
By the aluminum of 880g, the silicon of 55g, the magnesium of 3g, the copper of 0.5g, the ferrum of 2g, the manganese of 2g, the titanium of 0.5g, 0.5g chromium with
And the vanadium mixing of 0.5g, then put in melting furnace, after fusing, obtain solution, then carry out the essence such as Dehydroepiandrosterone derivative and removing impurities process
System is processed, and the solution-cast after then processing, in predetermined mould, obtains heat sink body after solidification.
The assembling of heat-conducting base, heat transfer piece and heat sink body is obtained combined radiator.
Heat-conductive characteristic test is carried out to the combined radiator of embodiment 1～3 preparation, the results are shown in Table 1.
Table 1
As it can be seen from table 1 the heat-conducting base of combined radiator of embodiment 1～3 preparation, heat transfer piece and radiating master
The heat-conductive characteristic of body successively decreases successively, defines heat-conductive characteristic gradient, and, by having large specific surface area heat sink body
Heat is distributed in external environment condition, compared to fine copper combined radiator, on the premise of guaranteeing heat dispersion, weight greatly drops
Low；Compared to the aluminum alloy combination formula radiators existing a large amount of on market, from upper table 1, heat dispersion greatly enhances.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (6)
1. a kind of combined radiator is it is characterised in that include: heat-conducting base, heat sink body and some heat transfer pieces；
Described heat-conducting base includes several heat-conducting parts, several extensions being extended laterally by the side wall of described heat-conducting part
Several heat conduction branches that portion and two ends end are fixedly connected with two extensions respectively, each described heat-conducting part is by described extension
Portion and described heat conduction branch form closing structure, and described heat-conducting part offers the first fixing hole, wherein, the side of each described heat-conducting part
Wall is also extended an installation portion laterally；
Several radiating fins that described heat sink body includes radiating part and is fixedly installed on described radiating part side are described scattered
Hot portion offers the second fixing hole away from described radiating fin side；
Described heat transfer piece include heat transfer part and the first fixed part being fixedly installed on described heat transfer part two ends end respectively and
Second fixed part, described first fixed part is embedded at the described first fixing in the hole, and described second fixed part is embedded at described second
Fixing in the hole.
2. combined radiator according to claim 1 is it is characterised in that offer several radiatings on described radiating part
Hole.
3. combined radiator according to claim 2 is it is characterised in that described louvre runs through described radiating part, and
And two openings of described louvre are all in communication with the outside.
4. combined radiator according to claim 1 is it is characterised in that offer installing hole on described installation portion.
5. combined radiator according to claim 1 is fixed it is characterised in that being located at described first on described heat transfer part
Portion is provided with the first fixing lug boss with the junction of described first fixing hole.
6. combined radiator according to claim 1 is fixed it is characterised in that being located at described second on described heat transfer part
Portion is provided with the second fixing lug boss with the junction of described second fixing hole.
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| CN104848065A (en) * | 2015-05-15 | 2015-08-19 | 东莞市闻誉实业有限公司 | Led lamp |
| CN104913220A (en) * | 2015-06-18 | 2015-09-16 | 东莞市闻誉实业有限公司 | Lighting lamp |
| CN106224919A (en) * | 2016-08-18 | 2016-12-14 | 东莞市闻誉实业有限公司 | Led lamp |
| CN106338011A (en) * | 2016-08-31 | 2017-01-18 | 长兴友畅电子有限公司 | LED with heat and electricity separation |
| CN111534727A (en) * | 2020-05-07 | 2020-08-14 | 江苏兆铝金属制品有限公司 | Special aluminum alloy material for high-strength car lamp and preparation method thereof |
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| CN2426179Y (en) * | 2000-05-29 | 2001-04-04 | 超级台风科技有限公司 | Improved CPU heat sink |
| CN201251749Y (en) * | 2008-06-20 | 2009-06-03 | 刘雪 | Novel refrigerating and heat-dissipating device of CPU semiconductor |
| CN202522990U (en) * | 2012-04-06 | 2012-11-07 | 东莞市浩威电子有限公司 | Multifunctional bracket for central processing unit (CPU) radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102116586B (en) * | 2009-12-30 | 2013-11-06 | 富准精密工业(深圳)有限公司 | Heat dissipating device |
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|---|---|---|---|---|
| CN2426179Y (en) * | 2000-05-29 | 2001-04-04 | 超级台风科技有限公司 | Improved CPU heat sink |
| CN201251749Y (en) * | 2008-06-20 | 2009-06-03 | 刘雪 | Novel refrigerating and heat-dissipating device of CPU semiconductor |
| CN202522990U (en) * | 2012-04-06 | 2012-11-07 | 东莞市浩威电子有限公司 | Multifunctional bracket for central processing unit (CPU) radiator |
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