CN106678556A - LED lamp assembly - Google Patents
LED lamp assembly Download PDFInfo
- Publication number
- CN106678556A CN106678556A CN201510762558.8A CN201510762558A CN106678556A CN 106678556 A CN106678556 A CN 106678556A CN 201510762558 A CN201510762558 A CN 201510762558A CN 106678556 A CN106678556 A CN 106678556A
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- Prior art keywords
- fin
- short
- radiator
- base plate
- dwarf forms
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an LED lamp assembly which comprises a radiator substrate and fins mounted on the radiator substrate, wherein the fins comprise three types namely short-high type fins, short-low type fins and long-low type fins; the short-low type fins are positioned on two edges of the radiator substrate in the width direction; the short-high type fins are dispersed in the middle of the radiator substrate in the width direction; and the long-low type fins are distributed between the short-low type fins and the short-high type fins. The LED lamp assembly is light in weight, has better radiating characteristic, can rapidly transfer heat generated when an LED works to the surfaces of the radiator fins to ensure that an LED chip has lower temperature, improve the luminescence efficiency and prolong the service life; and the structural arrangement of the fins facilitates improvement of the comprehensive effect of natural heat loss through convection.
Description
Technical field
The invention belongs to LED lamp technical field, and in particular to a kind of LED lamp component.
Background technology
In recent years, it is LED (Light Emitting Diode) has with it efficiency height, life-span length, aobvious
Color is good, be swift in response, without advantage performances such as stroboscopic, brightness height, be increasingly becoming 21 century most
The green illumination light source of development prospect, and achieve further extensive and deep business in multiple lighting fields
Change application.
In order to meet the market demand of more highlight illumination product, the input power of LED lamp is continuously increased.
But the electric energy major part that great power LED is consumed when working will all be converted to heat, if lacking effective
Cooling measure and make thermal accumlation at chip, will result directly in the rapid rising of junction temperature.Due to LED
Belong to temperature sensitive device, long-term work seriously reduces its service behaviour in excessive temperature, not only, also
Can significantly reduction of service life.Therefore, it is every application advantage of guarantee great power LED, it is necessary to for it
Assembling possesses the radiator of high efficiency and heat radiation ability, so as to reduce junction temperature of chip as much as possible.
At present, the material of radiator mostly is copper alloy or aluminium alloy in high-power LED lamp.Wherein, copper
The capacity of heat transmission highest of alloy, but its density of material is bigger than normal, and quality is softer, complex manufacturing technology, and
The prices of raw materials are higher so that the weight and cost for making radiator product is far above other materials.
The capacity of heat transmission of aluminium alloy is only second to copper alloy, and price is relatively low, and according to LED lamp
Different demands to indexs such as heat conductivility and mechanical performances, can be by adjustment doping component or doping ratio
Example, and suitable processing technology is selected, obtain different types of aluminium alloy heat radiator, therefore aluminium alloy
Have become material most widely used in LED lamp radiator.But, the density of aluminium alloy is equally larger,
The weight of obtained light fixture product is still heavier, and for the whole lamp power such as street lamp, High-Pole Lamp, bulkhead lamp
The higher large LED light fixture of larger, installation site, in order to prevent the potential safety hazard of falling object from high altitude, often
Upper safety limit must be set to the weight of radiator.Therefore aluminium alloy heat radiator is implementing the same of loss of weight design
When, by the heat dispersion of loss part.
With aluminum alloy material Comparatively speaking, the capacity of heat transmission of magnesium alloy is suitable, in the manufacture process of radiator
In, the less energy consumption that magnesium alloy needs, and production efficiency is high, the manufacturing cost of thus like structured heat sink
It is relatively low.And it is similar to aluminium alloy, magnesium alloy also dependent on doping component or the difference of doping ratio,
The radiator product of various heat conductivilitys and mechanical performance is made by various processing technologys, therefore is radiated
The range of choice of device species is equally very wide.
Additionally, magnesium alloy is the minimum metal material of current industrial applications Midst density, the product produced
With it is lightweight, corrosion-resistant, wear-resistant, nontoxic, be easily recycled the features such as.Using magnesium alloy as dissipate
During hot equipment material, should also with rapid heat dissipation, uniform, the strong, long service life of specific stiffness of temperature control face temperature etc.
Use advantage.
Therefore, a kind of alternative copper alloy and aluminium alloy heat radiator are worked out and be applied to street lamp, High-Pole Lamp,
The magnesium alloy heat radiation device assembly of the large LED light fixture such as bulkhead lamp, tool is of great significance.
The content of the invention
It is an object of the invention to solve above-mentioned technical problem and provide a kind of based on magnesium alloy radiator
LED lamp component, its thermal resistance is little, lightweight, radiating efficiency is high, can efficiently solve road
The large LED such as lamp, High-Pole Lamp, bulkhead lamp light fixture urgency while chip cooling and life-span is taken into account
The problem of heatsink weight need to significantly be mitigated.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of LED lamp component, including finned radiator module, the light source module of magnesium alloy material
And electric power driving module；The finned radiator module is including rectangular-shaped radiator base plate and equidistantly
The fin being located on a surface of the radiator base plate；The electric power driving module include LED power with
And the aluminium base printing that polylith of the uniform intervals on another surface of the radiator base plate is rectangular-shaped
Thermal conductive silicon is filled between the installation interface of circuit board, the aluminum-base printed circuit board and the radiator base plate
Fat；The light source module includes the equal LED component of many operating powers；Electricity is printed per aluminium base described in block
The equal LED component of two row center distances is mounted on the plate of road, and described in each row in LED component
In the heart away from equal；The fin include three kinds of fins, respectively short high type fin, short dwarf forms fin and
Long dwarf forms fin；The short dwarf forms fin is located at two edges on the radiator base plate width,
The short high type fin is dispersed in the middle part on the radiator base plate width, the long dwarf forms fin
It is distributed between short dwarf forms fin and short high type fin and between short high type fin, the long dwarf forms fin
Length is more than the radiator base plate length and the radiator base plate outside is uniformly stretched out at two ends, described short
High type fin is identical with the length of short dwarf forms fin and less than the length of the heat-radiating substrate, the short high type
Lateral surface of the fin with the two ends of short dwarf forms fin away from the radiator base plate is apart from identical, the short high type
, more than the height of the long dwarf forms fin, the height of the long dwarf forms fin is more than described short for the height of fin
The height of dwarf forms fin.
The light source module includes 10-60 LEDs devices.
The power bracket of per LED component is 1-2W, and the light source module general power is 10-120W,
Center distance is 20-25mm between the two row LED component on per aluminum-base printed circuit board described in block, each
LED component center distance is 10-20mm in row.
Using Reflow Soldering or filling High thermal-conductive silicone grease between the base of the aluminum-base printed circuit board and LED component
And the mode of welding pin is installed, the circuit on the aluminum-base printed circuit board is using serial or parallel connection or string
And hybrid mode connects.
The length of the radiator base plate is 200-300mm, and thickness is 2-10mm, the radiator base plate
Width determined according to the quantity of the fin, spacing and thickness；The height of the short dwarf forms fin is
20-40mm, length is 180-280mm, and the height of the short high type fin is 60-100mm, and length is
180-280mm, the long dwarf forms fin height is 40-60mm, and length is 320-400mm, the fin
Two-by-two at a distance of 5-15mm.
The axis perpendicular of the axis of the aluminum-base printed circuit board and three kinds of fins.
The short high type fin is 2, and the short dwarf forms fin is 4, and the long dwarf forms fin is 6
It is individual
The connecting line of the upper end center point of the fin is formed and is symmetrically positioned in the first angled section of both sides and the
Two angled sections and positioned at middle step sector, the both sides of the step sector form trigonum, and described the
The gradient of one angled section is less than and the second inclined gradient.
The finned radiator module can be integrally formed by casting die, or first be made using extrusion
The heat spreader structures of needs are produced in section bar, reprocessing, or after radiator base plate and fin are made respectively
Welding fabrication again
Prior art is compared, the invention has the beneficial effects as follows：(1) fin in high-power LED lamp component
Formula heat spreader module adopts magnesium alloy materials, and in the case of heat dissipating mass identical, weight is than copper alloy
It is gently many with aluminium alloy heat radiator, it is further to be lifted to dissipate in the safe range that can be arranged in terms of weight
Hot property provides more optimization spaces.(2) magnesium alloy is suitable with the capacity of heat transmission of aluminium alloy, with compared with
Good heat dissipation characteristics, can rapidly by LED operation when the heat that produces conduct to radiator fin surface,
Ensure that LED chip has relatively low temperature, improve luminous efficiency and life-span.(3) finned radiator mould
Block adopts the fin of three kinds of sizes, different fins to have different functions：Positioned at the short dwarf forms fin at edge
While weight is mitigated, moreover it is possible to reduce inhibition to outside free convection air, make air with compared with
High speed smoothly flows through successively neighbouring long dwarf forms fin and short high type fin；It is dispersed in middle part high-temperature region
Short high type fin increased the flow distance of free convection in the case of air in vertical hot wall, can substantially carry
Rise the cross-ventilation speed on the high direction of rib；Air velocity and heat dispersion positive correlation, above two effect
Downward addition is answered, is conducive to lifting the resultant effect of Natural Heat Convection；Long dwarf forms fin increased along rib
Area of dissipation on length direction, can effectively utilizes stream air in the higher two ends of flow velocity under normal circumstances
Heat-sinking capability, further lifts the resultant effect of Natural Heat Convection.Therefore, the present invention is based on magnesium alloy
The high-power LED lamp component of radiator has further prevented the potential safety hazard of falling object from high altitude, while also protecting
The high efficiency and heat radiation of lamp assembly is demonstrate,proved.
Description of the drawings
The LED lamp component overall construction drawing that Fig. 1 is provided for the present invention；
Fig. 2 is the upward view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 A-4B are respectively the fluid field simulation result of embodiment of the present invention preferred structure and traditional structure
Left view；
Fig. 5 A-5B are respectively the fluid field simulation result of embodiment of the present invention preferred structure and traditional structure
Front view；
Fig. 6 A-6B are respectively the Temperature Field Simulation result of embodiment of the present invention preferred structure and traditional structure
Upward view；
Fig. 7 is embodiment of the present invention preferred structure and traditional structure on the line of observation that maximum temperature is located
Temperature Distribution is contrasted.
Specific embodiment
Below, the substantive distinguishing features and advantage of the present invention are further described with reference to example, but this
It is bright to be not limited to listed embodiment.
Referring to shown in Fig. 1-3, a kind of LED lamp component, including the finned radiator of magnesium alloy material
Module, light source module and electric power driving module；The finned radiator module includes rectangular-shaped radiating
Device substrate 3 and the fin being equidistantly located on a surface of the radiator base plate；The power drives mould
Block includes that LED power (not marking in figure) and uniform intervals are arranged on another table of the radiator base plate
The rectangular-shaped aluminum-base printed circuit board (MCPCB) 2 of polylith on face, the aluminum-base printed circuit board and institute
Heat-conducting silicone grease is filled between the installation interface for stating radiator base plate；The light source module includes many operating powers
Equal LED component 1；The equal institute of two row center distances is mounted on per aluminum-base printed circuit board described in block
LED component is stated, and LED component center distance is equal described in each row；The fin includes three kinds of ribs
Piece, by the length of fin is different from height division difference is carried out, and is divided into short high type fin 5, short dwarf forms
Fin 4 and long dwarf forms fin 6；Wherein, the short dwarf forms fin is located at the radiator base plate width
Two edges on direction, during the short high type fin is dispersed on the radiator base plate width
Portion, the long dwarf forms fin is distributed between adjacent short dwarf forms fin and short high type fin and adjacent
Between short high type fin, the long dwarf forms fin length is more than the radiator base plate length and two ends are uniform
The radiator base plate outside is stretched out, the short high type fin is identical with the length of short dwarf forms fin and is less than
The length of the heat-radiating substrate, the two ends of the short high type fin and short dwarf forms fin are away from the radiator base
The lateral surface of plate apart from identical, the height of the short high type fin more than the long dwarf forms fin height,
Height of the height of the long dwarf forms fin more than the short dwarf forms fin.
Preferably, the short dwarf forms fin 4 is two, is arranged symmetrically in two on the radiator base plate
Edge side, the short quantity of high type fin 5 is 4, is arranged between described two short dwarf forms fins 4
Interval, the long dwarf forms fin 6, the long dwarf forms fin of two of which is arranged in two short dwarf forms
Between fin 4 and adjacent two short high type fins, two long dwarf forms fins are adjacently positioned middle two
Between short high type fin 5, remaining two long dwarf forms fins are respectively provided between two short high type fins.
Wherein, the connecting line of the upper end center point of the fin is formed positioned at the first angled section 10 of both sides
With the second angled section 11 and positioned at middle step sector 13, the both sides of the step sector form trigonum
12, and the gradient of first angled section 10 is less than the gradient with the second angled section 11.
Wherein, the light source module includes 10-60 LEDs devices.
Preferably, the power bracket of per LED component is 1-2W, and the light source module general power is
10-120W, per aluminum-base printed circuit board described in block between the two row LED component center distance be
20-25mm, LED center spacing is 10-20mm in each row.
Wherein, the length of the radiator base plate MCPCB is 200-300mm, and thickness is 2-10mm, institute
Quantity of the width according to the fin, spacing and the thickness for stating radiator base plate determines；The short dwarf forms rib
The height of piece is 20-40mm, and length is 180-280mm, and the height of the short high type fin is
60-100mm, length is 180-280mm, and the long dwarf forms fin height is 40-60mm, and length is
320-400mm, the fin is two-by-two at a distance of 5-15mm.
It is more highly preferred to, the LED lamp component, including 56 LEDs devices and 4 pieces of 130 × 45mm
Aluminum-base printed circuit board, the power bracket of per LED component is 1W, the light source module total work
Rate is 56W, center distance between two row LED components (totally 14) on 4 pieces of aluminum-base printed circuit boards
For 22mm, LED component center distance is 16mm in each row, and the length of the radiator base plate is
280mm, thickness is 3mm, a width of 180mm, and the height of the short dwarf forms fin is 30mm, and length is
200mm, the height of the short high type fin is 70mm, and length is 200mm, and the long dwarf forms fin is high
Spend for 40mm, length is 380mm, and the fin of the three types is apart two-by-two 11mm.
Implement, Reflow Soldering is adopted between the base of the aluminum-base printed circuit board and LED component or is filled out
The mode for filling High thermal-conductive silicone grease and welding pin is installed, and the circuit on the aluminum-base printed circuit board is using string
Connection or in parallel or string and hybrid mode connection.
When the lamp assembly of the present invention is made, the finned radiator module by casting die integrally into
Type, or first section bar made using extrusion, the heat spreader structures of needs are produced in reprocessing, or will radiating
Device substrate and fin make respectively after welding fabrication again.
Wherein, the axis of heretofore described aluminum-base printed circuit board mutually hangs down with the axis of three kinds of fins
Directly, three kinds of fin axis are parallel with the length direction of the rectangular-shaped radiator base plate, and fin
And aluminum-base printed circuit board is evenly arranged on the radiator base plate, particularly multiple aluminium bases print electricity
The outer side edges line of road plate forms a rectangle, and the relative two back gauge radiator of the rectangle of the formation
The distance on the corresponding side of substrate is identical.
Preferred embodiment
LED lamp component, including finned radiator module, light source module and electric power driving module.Wherein,
Light source module includes 56 equal LEDs devices 1 of operating power, is per the power of LEDs device 1
1W, light source module general power is 56W.Electric power driving module is by 4 pieces of aluminum-base printed circuit boards 2 and LED
Power supply is constituted.Wherein the size of aluminum-base printed circuit board be 130 × 45mm, the bottom with LED component 1
Installed using filling High thermal-conductive silicone grease and by the way of welding pin between seat, and monolithic aluminum-base printed circuit
Circuit on plate 2 is adopted and is connected serially 14 LEDs devices 1.14 LEDs devices 1 are equidistant
Two row are lined up, the center distance between two row LED components 1 is equal, is 22mm；LED in each row
The center distance of device 1 is equal, is 16mm.The material of finned radiator module is magnesium alloy, by
The radiator fin composition of radiator base plate 3 and three kind of size, and manufacture is integrally formed using casting die.
The size of radiator base plate 3 is 280mm × 180mm × 3mm, and to fill thermal conductive silicon between interface
The mode of fastened by screw is uniformly distributed and installs 4 pieces of aluminum-base printed circuit board MCPCB 2 after fat.Three kinds of chis
Very little radiator fin according to its height and length difference, respectively (1) short height of dwarf forms fin 4 is
30mm, length is 200mm, two on radiator base plate width edge；(2) short height
The height of type fin 5 is 70mm, and length is 200mm, is dispersed in the middle part of radiator base plate；(3) it is long
The height of dwarf forms fin 6 is 40mm, and length is 380mm, is distributed between first two fin.All classes
The radiator fin of type, using equidistantly design, is apart two-by-two 11mm.
In order to the heat sinking function of three kinds of fins and its enhancing dissipate in the above-mentioned preferred embodiment of the comparative illustration present invention
The beneficial effect of hot device performance, selects a kind of identical, each with the fin thickness of preferred embodiment and area of dissipation
Fin height is 47.5mm, fin length and zig identical tradition finned radiator module
As control sample.Lamp assembly for assembling two kinds of heat spreader modules respectively is warm by Icepak
Design software emulates obtain fluid field and temperature field respectively, and the contrast situation of simulation result is as shown in Fig. 4-7.
In Fig. 4-5, the direction of line of vector represents the air flow of the line starting point in figure, and the length of line of vector is got over
Show that flow velocity (velocity) is higher greatly, the upper limit of chromaticity coordinates embodies peak flow rate (PFR)；By Fig. 4 A and figure
The contrast of 4B is as can be seen that the short dwarf forms fin 4 in preferred embodiment of the present invention can reduce naturally right to outside
The inhibition of stream air, makes air with higher speed and smoothly flows through neighbouring long dwarf forms fin 6 successively
With short high type fin 5；The short high type fin 5 for being dispersed in middle part high-temperature region increased air in vertical hot wall
In the case of free convection flow distance, hence it is evident that improve the cross-ventilation speed on the high direction of rib；It is empty
Gas velocity and heat dispersion positive correlation, above two effect Downward addition, are conducive to lifting free convection to dissipate
The resultant effect of heat.By the contrast of Fig. 5 A and Fig. 5 B as can be seen that the length in preferred embodiment of the present invention is short
Type fin 6 increased the area of dissipation on rib length direction, can effectively utilizes under normal circumstances flow velocity compared with
The heat-sinking capability of air is streamed at high two ends, further lifts the resultant effect of Natural Heat Convection.Fig. 6 A
With the line of observation that maximum temperature place is labelled with Fig. 6 B；By Fig. 6 A and Fig. 6 B in contrast and can see
Go out, the maximum temperature that preferred embodiment of the present invention is obtained is 49.7659 DEG C, less than the traditional structure of control
52.6232 DEG C, and in the region of radiator base plate 3, the Temperature Distribution of preferred embodiment is more uniform.
As seen from Figure 7, on the line of observation that maximum temperature is located, in the present embodiment preferred structure
All temperature are below traditional structure, show preferably heat dispersion.
Above analysis is as can be seen that the finned radiator module of LED lamp component of the present invention is due to adopting
Magnesium alloy materials, in the case of heat dissipating mass identical, weight is more much smaller than copper alloy and aluminium alloy.
And finned radiator module, using the fin of three kinds of sizes, different fins have different functions：It is located at
The short dwarf forms fin at edge can mitigate the weight of radiator and increase the convection velocity of outside air, be dispersed in
The short high type fin at middle part can lift the cross-ventilation speed on the high direction of rib, and long dwarf forms fin can be simultaneous
While turning round and look at loss of weight, increase area of dissipation on rib length direction, the higher two ends of effectively utilizes flow velocity around
The heat-sinking capability of stream air.Additionally, magnesium alloy is suitable with the capacity of heat transmission of aluminium alloy, with preferably scattered
Thermal characteristics, can rapidly by LED operation when the heat that produces conduct to radiator fin, it is ensured that LED
Chip has relatively low temperature, improves luminous efficiency and life-span.Therefore, it is according to the present invention to be closed based on magnesium
The high-power LED lamp component of golden radiator has not only prevented the potential safety hazard of falling object from high altitude, while also protecting
The high efficiency and heat radiation of lamp assembly is demonstrate,proved.
The above is only the preferred embodiment of the present invention, it is noted that general for the art
For logical technical staff, under the premise without departing from the principles of the invention, some improvement and profit can also be made
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of LED lamp component, it is characterised in that the finned radiator module, light source module and electric power driving module including magnesium alloy material；The finned radiator module includes rectangular-shaped radiator base plate and the fin being equidistantly located on a surface of the radiator base plate；Heat-conducting silicone grease is filled between the installation interface of the rectangular-shaped aluminum-base printed circuit board of polylith of the electric power driving module including LED power and uniform intervals on another surface of the radiator base plate, the aluminum-base printed circuit board and the radiator base plate；The light source module includes the equal LED component of many operating powers；The equal LED component of two row center distances is mounted on per aluminum-base printed circuit board described in block, and LED component center distance is equal described in each row；The fin includes three kinds of fins, respectively short high type fin, short dwarf forms fin and long dwarf forms fin；The short dwarf forms fin is located at two edges on the radiator base plate width, the short high type fin is dispersed in the middle part on the radiator base plate width, the long dwarf forms fin is distributed between short dwarf forms fin and short high type fin and between short high type fin, the long dwarf forms fin length is more than the radiator base plate length and the radiator base plate outside is uniformly stretched out at two ends, the short high type fin is identical with the length of short dwarf forms fin and less than the length of the heat-radiating substrate, lateral surface of the two ends of the short high type fin and short dwarf forms fin away from the radiator base plate is apart from identical, height of the height of the short high type fin more than the long dwarf forms fin, height of the height of the long dwarf forms fin more than the short dwarf forms fin.
2. LED lamp component according to claim 1, it is characterised in that the light source module includes 10-60 LEDs devices.
3. LED lamp component according to claim 2, it is characterized in that, the power bracket of per LED component is 1-2W, the light source module general power is 10-120W, center distance is 20-25mm between the two row LED component on per aluminum-base printed circuit board described in block, and LED component center distance is 10-20mm in each row.
4. LED lamp component according to claim 3, it is characterized in that, installed by the way of Reflow Soldering or filling High thermal-conductive silicone grease and welding pin between the base of the aluminum-base printed circuit board and LED component, the circuit on the aluminum-base printed circuit board is using the simultaneously hybrid mode connection of serial or parallel connection or string.
5. the LED lamp component according to any one of claim 1-4, it is characterised in that the length of the radiator base plate is 200-300mm, and thickness is 2-10mm, the width of the radiator base plate determines according to the quantity of the fin, spacing and thickness；The height of the short dwarf forms fin is 20-40mm, and length is 180-280mm, and the height of the short high type fin is 60-100mm, length is 180-280mm, the long dwarf forms fin height is 40-60mm, and length is 320-400mm, and the fin is two-by-two at a distance of 5-15mm.
6. LED lamp component according to claim 1, it is characterised in that the axis perpendicular of the axis of the aluminum-base printed circuit board and three kinds of fins.
7. LED lamp component according to claim 1, it is characterised in that the short high type fin is 2, and the short dwarf forms fin is 4, and the long dwarf forms fin is 6.
8. the LED lamp component according to claim 1 or 7, it is characterized in that, the connecting line of the upper end center point of the fin forms the first angled section for being symmetrically positioned in both sides with the second angled section and positioned at middle step sector, the both sides of the step sector form trigonum, and the gradient of first angled section is less than and the second inclined gradient.
9. LED lamp component according to claim 1, characterized in that, the finned radiator module is integrally formed by casting die, or first section bar made using extrusion, the heat spreader structures of needs, or welding fabrication again after radiator base plate and fin are made respectively are produced in reprocessing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762558.8A CN106678556A (en) | 2015-11-10 | 2015-11-10 | LED lamp assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762558.8A CN106678556A (en) | 2015-11-10 | 2015-11-10 | LED lamp assembly |
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| CN106678556A true CN106678556A (en) | 2017-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257907A (en) * | 2018-07-28 | 2019-01-22 | 西安交通大学 | A kind of peak shaving natural cooling device and its design method |
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| CN201491457U (en) * | 2009-09-04 | 2010-05-26 | 三河亚泰电子技术有限公司 | tree-shaped electronic radiator |
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| CN202267039U (en) * | 2011-09-06 | 2012-06-06 | 幸雄科技股份有限公司 | Radiator structure |
| CN202432474U (en) * | 2011-09-26 | 2012-09-12 | 东莞市光宇新能源科技有限公司 | LED street lamp bracket |
| CN104460748A (en) * | 2014-12-19 | 2015-03-25 | 宁波市镇海高途日用品有限公司 | Temperature control device of magnetization fixture |
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