CN104565943A - Large-power LED lamp - Google Patents
Large-power LED lamp Download PDFInfo
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- CN104565943A CN104565943A CN201510022417.2A CN201510022417A CN104565943A CN 104565943 A CN104565943 A CN 104565943A CN 201510022417 A CN201510022417 A CN 201510022417A CN 104565943 A CN104565943 A CN 104565943A
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- light source
- tube wall
- radiator
- source substrate
- led lamp
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- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- 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
- F21Y2101/00—Point-like light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention belongs to the technical field of photoelectric LED lighting, and relates to a large-power LED lamp. The large-power LED lamp comprises a light source base plate; an LED light source is mounted at one end of a light source base plate, and while the other end of the light source base plate is fixedly connected with at least one radiator; the radiator comprises an outer barrel wall which extends in the vertical direction, and a plurality of radiating fins which are positioned in the outer barrel wall and connected to the outer barrel wall; the radiating fins divide the radiator into a plurality of radiating channels which extend in the vertical direction; the top parts of the radiating channels directly communicate with the outside air. According to the large-power LED lamp, the generated heat is timely transmitted to cold air in the radiating channels through the light source base plate, the cold air is heated and floated to be subjected to convection dissipation with the outside air on the top ends of the radiating channels, then the heat in the radiating channels can be timely radiated, thus the temperature of the light source base plate is reduced, an LED chip can be kept in a relatively low temperature state, and as a result, the service life of the LED chip is prolonged, and the demand of a large place on a large-power lighting device can be met.
Description
Technical field
The present invention relates to a kind of high-powered LED lamp, belong to the field of photoelectric technology of LED illumination.
Background technology
LED light source is solid luminescent light source, it is electroluminescent light source, the advantages such as it has that luminous efficiency is high, long service life, energy saving, environmental protection, low consumption safety, little, lightweight, the easy light modulation of shockproof waterproof, volume, maintenance are few, become the desirable substitute products of the light sources such as conventional light source incandescent lamp, fluorescent lamp, high/low pressure sodium lamp, gas-discharge lamp, mercury lamp, Halogen lamp LED, become the ideal energy saving environment-friendlylamp lamp of current work, agriculture, business, the indoor and outdoor lighting such as civilian.
At present, factory, workshop, port and pier, engineering machinery place, high-lager building, the large-scale place such as work high above the ground need use the light fixture of high-power or super high power to meet lighting demand, lighting power is required mostly to adopt Metal halogen lamp at the light fixture of 1000W-4000W or more than 4000W super high power, high-pressure sodium lamp, high-pressure mercury lamp, the conventional lamp such as fluorescent lamp, but traditional light fixture power consumption is high, light efficiency is low, colour rendering is poor, reference color temperature is narrow, service life is short, be difficult to the lighting demand meeting large-scale place, cause the cost intensive using light fixture, the defect of frequent maintenance or replacing light source.In view of LED lamp has above-mentioned advantage, so study high-power or super-high-power LED light fixture to replace traditional light fixture, so that it is very important for meeting large-scale place lighting demand.
But, the radiating efficiency height of LED chip realizes key technical problem that is high-power or super-high-power LED light fixture, whether the working stability of LED chip, particularly the height of LED junction temperature directly can affect the service life of LED chip, the junction temperature of general LED chip often reduces by 10 DEG C, the service life of LED can increase about 50%, and the junction temperature how reducing LED chip as seen realizes key technology that is high-power or super-high-power LED heat dissipation problem.
For this reason, the version of radiator is being sought in the manufacture commercial city of each LED illumination product, is convenient to realize high-power LED light fixture.At present, on market, existing high-power LED lamp is mostly utilize heat transfer and heat radiation principle to design the heat abstractor of LED lamp, no matter be Split type structure or integrated light lamps structure, general is all be radiator shape lamp surface housing design, the heat conduction that LED light source produces is to surface particles, carry out heat exchange by surface of shell and air again, the heat on conductive case is shed.Only set about from heat transfer, heat radiation principle the structure changing radiator, low-power LED lamp heat dissipation problem can be solved to a certain extent, and increase radiator volume size often for heat radiation that is high-power or super-high-power LED light fixture or adopt heat pipe for thermal conductivity technology or power up fan cooling, these methods make radiator volume heaviness, complex structure, manufacturing cost very high.In addition, during by increasing electric fan heat radiation, need extra power consumption, and the service life of electric fan is not long, when electric fan breaks down, easily cause LED chip temperature too high, may LED chip be burnt out, therefore, need fundamentally to solve heat dissipation problem that is high-power or ultrahigh-power LED illuminating lamp.
Chinese patent literature CN 201973536 discloses a kind of funnel-shaped LED, comprise the insulator of lamp holder, radiator, connection lamp holder and radiator, pedestal, be arranged on lamp pearl on pedestal and lampshade, this lampshade covers all lamp pearls and is connected with radiator, described radiator is cylindrical, have in radiator and four of axis being parallel through holes, this through hole upper end outlet is positioned at around radiator and insulator junction, and pedestal is arranged on radiator outer wall and bottom.This invention forms funnel-shaped structure by being provided with in radiator with four of axis being parallel through holes, utilizes the upper and lower convective principles of the air of chimney to dispel the heat to LED, meets the requirement of LED to heat radiation.
But funnel-shaped LED in use disclosed in above-mentioned patent document, when installing the lamp pearl of high-power or super high power on described pedestal, when LED lamp bead is in illumination condition for a long time, inevitably, the luminous a large amount of heat that sheds of LED lamp bead, this heat short time can be gathered in space that via bottoms in radiator and lampshade be connected to form and through hole inner, the air of through hole inside can not carry out heat loss through convection with extraneous air in time, cause the temperature around pedestal higher, or the temperature of LED chip can be caused too high, heat dispersion is poor, affect the service life of LED chip, visible funnel-shaped LED lamp still cannot meet picture factory, workshop, port and pier, engineering machinery place, high-lager building, the large-scale place such as work high above the ground is to demand that is high-power or ultra-high power illumination light fixture.
Summary of the invention
Therefore, technical problem to be solved by this invention is to overcome the defect that in prior art, the radiating efficiency of high-power LED lamp is low, thus the high-power LED light fixture providing a kind of radiating efficiency high.
For this reason, the invention provides a kind of high-power LED lamp, comprise light source substrate, LED light source is installed in one end of described light source substrate, the other end is fixedly connected with at least one radiator, described radiator comprises the outer tube wall that vertically extends and is positioned at the inner and some radiating fins be connected on described outer tube wall of described outer tube wall, and described radiating fin is suitable for described radiator to be divided into some heat dissipation channels vertically extended.
In above-mentioned high-power LED lamp, form air with light source substrate surface bottom described radiator and flow into gap, be directly communicated with cool ambient air, make the inside of described radiator form upper and lower cross-ventilation.
In above-mentioned high-power LED lamp, described molding heat radiator is hollow cylinder shape, and the side that described light source substrate is connected with described radiator is provided with boss, and the inner tube wall of described radiator is sheathed on described boss.
In above-mentioned high-power LED lamp, described inner tube wall adopts interference fit with described boss or is threaded, the inner core that described inner tube wall surrounds is any one in circular cylinder, oval cylinder, square tube, polygon cylinder, irregular shape cylinder, and the shape of described light source substrate convex platform and the matching form of described hollow cylinder close; The profile of described outer tube wall is any one in circular cylinder, oval cylinder, square tube, polygon cylinder, irregular shape cylinder.
In above-mentioned high-power LED lamp, described radiating fin is arranged between described inner tube wall and described outer tube wall, and it comprises several and supports fin, and described support fin one end is connected to described inner tube wall, and the other end is connected to described outer tube wall; Also comprise several ring fins, described ring fin is surrounded between described inner tube wall and described outer tube wall, forms some described heat dissipation channels between described support fin and described ring fin.
In above-mentioned high-power LED lamp, described light source substrate forms boss seat, described boss forming is on described boss seat, the bottom, side that described radiator muff-joint is located at described boss is resisted against on described boss seat, flows into gap to make forming described air between described radiator and described light source substrate.
In above-mentioned high-power LED lamp, described boss is hollow cylinder shape.
In above-mentioned high-power LED lamp, LED drive power is installed in described inner core inner space, and be provided with power supply lead wire hole in the middle of described LED light source substrate, described power supply lead wire hole is communicated with described inner core, upper cover is installed at the top of described inner tube wall, and described upper cover sets out wire terminal hole.
In above-mentioned high-power LED lamp, the shaping inner ring screw hole for being connected with described light source substrate in bottom of described inner tube wall, and/or the shaping inner ring screw hole for being connected with described upper cover in the top of described inner tube wall, and/or the shaping outer ring screw hole for installing lampshade in the bottom of described outer tube wall, and/or the shaping outer ring screw hole for mounted lamp support in the top of described outer tube wall.
In above-mentioned high-power LED lamp, the side of the described LED light source of installation of described light source substrate is shaped to the chamber structure with opening, described LED light source is installed on the plate face of described light source substrate, described light source substrate forms the step installing transmissive mirror, and described transmissive mirror is fixed on described light source substrate by the transmissive mirror pressing plate be threaded with described light source substrate.
A kind of high-power LED lamp provided by the invention, has the following advantages compared with LED lamp in prior art:
1. a kind of high-power LED lamp provided by the invention, by vertical direction on light source substrate being installed at least one radiator, radiator comprises the outer tube wall that vertically extends and is positioned at the inner and some radiating fins be connected on outer tube wall of outer tube wall, radiating fin is suitable for described radiator to be divided into some heat dissipation channels vertically extended, the air communication that heat dissipation channel top is direct and extraneous, when being positioned at the illumination of the high-power LED light source on light source substrate adstante febre, its heat distributed passes in radiator heat-dissipation passage through light source substrate in time, cold air is heated to float and carries out heat loss through convection with the air in the heat dissipation channel top external world, heat in heat dissipation channel is discharged in time, reduce the temperature of light source substrate, and then guarantee that LED chip temperature is in lower state, extend the service life of LED chip, meet the demand of large-scale place to high-power illumination equipment.This LED lamp have employed stack effect suction and accelerates radiator through hole cross-ventilation, the technology that heat transfer and heat radiation combine, air heats expanding volume increases, air density change is very large, the air quality of unit volume alleviates and floating upward quickly greatly, form stack effect and upwards aspirate acceleration air convection movement, some heat dissipation channels that radiating fin and outer tube wall surround are exactly chimney one by one, accelerate cross-ventilation and heat exchange, greatly improve the radiating efficiency of radiator, solve the heat dissipation problem of high-power LED lighting fixture, and structure is simple, lightweight, save material, handling ease.
2. a kind of high-power LED lamp provided by the invention, gap is flowed into by leaving certain air bottom radiator and between light source substrate surface, air flows into the direct and extraneous air communication in gap, cold air constantly flows into heat dissipation channel inside bottom heat dissipation channel, and be heated float up to heat dissipation channel top outside air in, namely air rapid convective is carried out up and down in heat dissipation channel inside, air flow into gap promote further the cold air bottom heat dissipation channel be heated float speed, accelerate cross-ventilated speed, improve the radiating efficiency of radiator further.
3. a kind of high-power LED lamp provided by the invention, by fansink designs is become hollow cylinder shape, the side that light source substrate is connected with radiator is provided with boss, and the inner tube wall of radiator is sheathed on described boss, and installs LED drive power in inner tube wall inner space, power supply lead wire hole is provided with in the middle of LED light source substrate, it is communicated with inner core, and upper cover is installed at inner tube wall top and upper cover sets out wire terminal hole, makes the compact conformation of whole LED lamp, take volume little, be convenient to processing and manufacture.
4. a kind of high-power LED lamp provided by the invention, fin is supported by arranging several between radiator inner tube wall and outer tube wall, the heat dissipation channel of radiator is formed between each support fin, or several ring fins can also be set being surrounded between described inner tube wall and described outer tube wall, some cellular heat dissipation channels are formed between described ring fin and described support fin, in the vertical direction, the heat dissipation channel that unit are between inner tube wall and outer tube wall designs is more, passage inner air convection is faster, and radiating efficiency is also corresponding higher.And above-mentioned cellular heat-dissipating channel structure closely, and the physical dimension of radiator is less; The wall ratio of cellular heat dissipation channel is thinner, and the gross weight of radiator is very light; The frame for movement of radiator is very simple, and be convenient to extrusion stretching processing, processing is easily simple, saves cost.
5. a kind of high-power LED lamp provided by the invention, by inner ring screw hole for described light source substrate be connected shaping in the bottom of inner tube wall, and/or the shaping inner ring screw hole for being connected with described upper cover in the top of described inner tube wall, and/or the shaping outer ring screw hole for installing lampshade in the bottom of described outer tube wall, and/or the shaping outer ring screw hole for mounted lamp support in the top of described outer tube wall; The inner ring arranged in the bottom of inner tube wall, outer tube wall and top and outer ring screw hole, radiator is fixed with the miscellaneous part of LED lamp and is connected, total is compact, is convenient to install fix.
Accompanying drawing explanation
Fig. 1 is the structure schematic diagram that a kind of high-powered LED lamp that embodiment 1 provides is signed an undertaking.
Fig. 2 is the top view of a kind of high-powered LED lamp structure that embodiment 1 provides.
Fig. 3 is the light source substrate structural representation of a kind of high-power LED lamp that embodiment 1 provides.
Fig. 4 is the heat spreader structures schematic diagram of a kind of high-power LED lamp that embodiment 1 provides.
Fig. 5 is the top view of a kind of high-powered LED lamp structure that embodiment 2 provides.
Fig. 6 is the top view of a kind of high-powered LED lamp structure that embodiment 3 provides.
Fig. 7 is the octagon heat spreader structures schematic diagram of a kind of high-power LED lamp that embodiment 4 provides.
In figure, mark is expressed as: 1-light source substrate, 2-LED light source, 3-transmissive mirror, 4-transmissive mirror pressing plate, 5-radiator, 51-outer tube wall, 52-radiating fin, 52a-supports fin, 52b-ring fin, 53-heat dissipation channel, 54-inner tube wall, 6-air flows into gap, 7-power supply lead wire hole, 8-boss, 9-inner core, 10-upper cover, 11-outlet joint hole, 12-boss seat, 13-inner ring screw hole, 14-outer ring screw hole.
Detailed description of the invention
embodiment 1
The present embodiment 1 provides a kind of high-power LED lamp, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, comprise light source substrate 1, LED light source 2 is installed in one end of described light source substrate 1, the other end is fixedly connected with at least one radiator 5, described radiator 5 comprises the outer tube wall 51 that vertically extends and is positioned at the inner and some radiating fins 52 be connected on described outer tube wall 51 of described outer tube wall 51, described radiating fin 52 is suitable for described radiator 5 to be divided into some heat dissipation channels 53 vertically extended, the air communication that heat dissipation channel 53 top is direct and extraneous.
Particularly, described radiator 5 is set to four, and radiator 5 is shaped to hollow cylinder shape, the side that described light source substrate 1 is connected with described radiator 5 is provided with boss 8, the inner tube wall 54 of described radiator 5 is sheathed on described boss 8, described radiator 5 is fixedly connected with described light source substrate 1, is convenient to processing and manufacturing; In order to alleviate light fixture weight simultaneously in order to faster by heat conduction on radiator 5, in present embodiment, described boss 8 is hollow cylinder shape, and described inner tube wall 54 adopts interference fit to be connected with described boss 8, the shape that inner tube wall 54 surrounds can be circular cylinder, the inner tube wall 54 that described light source substrate 1 convex platform 8 is also arranged to circular cylinder and described radiator 5 is used in combination, and facilitates the radiator manufacture of hollow cylinder shape to process; The profile of described outer tube wall 51 is circular cylinder, also can be oval cylinder, square tube, polygon cylinder, irregular shape cylinder etc.
The one of inner core 9 shape that inner tube wall 54 described above surrounds is out of shape, described inner core 9 can also be oval cylinder, square tube, polygon cylinder, irregular shape cylinder etc., simultaneously, as long as the shape of described light source substrate 1 convex platform 8 is consistent with described inner core 9 shape, the two can coordinate installs and uses; The shape that described inner core 9 surrounds can be consistent with the profile of described outer tube wall 51, is convenient to processing and manufacturing, can certainly be inconsistent; Described boss 8 can also be column structure, can also be with bolts for the connection between described inner tube wall 54 and described boss 8, as long as described inner tube wall 54 is fixedly connected with described boss 8, other connected mode, such as, rivets, weld, buckle or snap close connect etc.
As shown in Figure 2, radiating fin 52 in described radiator 5 is arranged between described inner tube wall 54 and described outer tube wall 51, it comprises several and supports fin 52a, described support fin 52a one end is connected to described inner tube wall 54, the other end is connected to described outer tube wall 51, and radiator 5 is divided into some heat dissipation channels 53 vertically extended by described support fin 52a; Also comprise several ring fins 52b, described ring fin 52b is surrounded between described inner tube wall 54 and described outer tube wall 51, forms some described heat dissipation channels 53 between described support fin 52a and described ring fin 52b.Namely the heat dissipation channel of multilayer is separated into by arranging ring fin 52b by arranging separately the heat dissipation channel that described support fin 52a in the vertical direction formed.
Specifically, ring fin 52b described in several is evenly centered around between described barrel 54 and described outer tube wall 51 and forms the equally distributed heat dissipation channel of multilayer, such as two ring fin 52b are evenly being set around between described inner tube wall 54 and described outer tube wall 51, by formation three layers of equally distributed heat dissipation channel, therefore n ring fin be evenly set, the heat dissipation channel of n+1 layer will be formed, and the heat dissipation channel of every layer is made up of several heat dissipation channels again, presents on the whole and be similar to cellular heat dissipation channel.Certainly, in other embodiments, the multi-layer heat dissipation passage that ring fin 52b described in several and described support fin 52a is formed can also be uneven distribution.
Be arranged between described inner tube wall 54 and described outer tube wall 51 for above-mentioned radiating fin 52, described outer tube wall 51 can make separately an outer cover, state on the outer surface of radiating fin 52 described in being directly enclosed within, in actual use procedure, described support fin 52a two ends can also be flexibly connected with described inner tube wall 54 and described outer tube wall 51, facilitate the demand of different great power LED cooling, the number of heat dissipation channel 53 in radiator 5 can be adjusted at any time, can also by one-body molded with described radiating fin 52 for described outer tube wall 51; And support fin 52a in the vertical direction described in several and can parallelly distribute, namely described heat dissipation channel 53 is parallel to each other, and also can shape to have a certain degree setting.
Further, bottom described radiator 5, form air with light source substrate 1 surface flow into gap 6, be directly communicated with outside air, make the inside of described radiator 5 form upper and lower cross-ventilation.
Gap 6 is flowed into for described air, as shown in Figure 3, described light source substrate 1 forms boss seat 12, described boss 8 takes shape on described boss seat 12, the bottom, side that described radiator 5 is sheathed on described boss 8 is resisted against on described boss seat 12, flow into gap 6 to make forming described air between described radiator 5 and described light source substrate 1, described air flows into the direct and extraneous air communication in gap 6.Gap 6 is flowed into by arranging air, in high-power LED light source use procedure, cold air constantly flows into heat dissipation channel inside bottom the equally distributed heat dissipation channel of multilayer, and be heated float up to heat dissipation channel top outside air in, namely cross-ventilation is carried out up and down in heat dissipation channel inside, air flows into gap and promotes that the cold air bottom heat dissipation channel is heated the speed floated, and accelerates cross-ventilated speed, improves further the radiating efficiency of radiator further
LED drive power is installed in described inner core 9 inner space, power supply lead wire hole 7 is provided with in the middle of described light source substrate 1, described power supply lead wire hole 7 is communicated with described inner core 9, upper cover 10 is installed at the top of described inner tube wall 54, after the installation of described upper cover 10, do not block heat dissipation channel 53 top of described radiator 5 and being communicated with of outside air, described upper cover 10 sets out wire terminal hole 11.Namely the outconnector of LED light source 2 is through the power supply lead wire hole 7 of described light source substrate 1, connects the LED drive power being positioned at described inner core 9 inner space, and draws through the outlet joint hole 11 that described upper cover 10 is arranged, be external in power supply.When if desired carrying out waterproofing protection to the driving power arranged in described inner core 9, installing after LED drive power can potting compound heat-conducting glue, fluid sealant or filler, and arranges O-ring seal between the top and upper cover 10 of described inner tube wall 54.
As shown in Figure 4, further, inner ring screw hole 13 is set the bottom of described inner tube wall 54 is shaping, for described radiator 5 inner tube wall 54 is further fixedly connected with described light source substrate 1, inner ring screw hole 13 is set on the top of described inner tube wall 54, for being connected and fixed with described upper cover 10 by described inner tube wall 54.
As shown in Figure 3, the side of the described LED light source 2 of installation of described light source substrate 1 is shaped to the chamber structure with opening, described LED light source 2 is installed on the plate face of described light source substrate 1, described light source substrate 1 forms the step installing transmissive mirror 3, and described transmissive mirror 3 is fixed on described light source substrate 1 by the transmissive mirror pressing plate 4 be threaded with described light source substrate 1; Described LED light source 2 can be COB integrated optical source or SMD paster light source chip; Described transmissive mirror 3 can be plate transmissive mirror, semicircle ball-type transmissive mirror, ball-type transmissive mirror etc., and the shape of transmissive mirror 3 is not specifically limited, and can adjust according in concrete use procedure.
Described light source substrate 1 profile is cylindrical shape, and described cylindrical outer surface is smooth surface, the exiting surface of described LED lamp and the profile of LED light source are square, the material of described printing opacity pressing plate 4 adopts high transmission rate material to make, such as polymethacrylates, polyimides etc.
To the distortion of the profile of LED light source described above, the profile of described LED light source can also be rectangle, circle, shape changeable, irregular shape etc., as long as meet bright dipping demand; To the distortion of light source substrate 1 profile described above, described light source substrate 1 profile can also be rectangle for cross section, the cylinder of square, circular, polygon or irregular figure, and the outer surface of described cylinder can also be that the surperficial or irregular figure of serrated-surface, uneven surface, lace shape is surperficial etc.
A kind of high-power LED lamp that the present embodiment provides, by vertical direction on light source substrate installs four radiators 5, fin 52a and ring fin 52b is supported described in several of the interior setting of radiator 5, the heat dissipation channel of multilayer is formed between described inner tube wall, outer tube wall, and the heat dissipation channel of every layer is made up of several heat dissipation channels again, presents on the whole and be similar to cellular heat dissipation channel.Bottom described radiator 5, form air with light source substrate 1 surface further and flow into gap 6, make the inside of described radiator 5 form upper and lower cross-ventilation.To throw light on adstante febre when being positioned at the high-power LED light source 2 on described light source substrate 1, its heat distributed passes in some heat dissipation channels 53 through described light source substrate 1 in time, cool ambient air constantly flows into gap 6 from described air and enters in heat dissipation channel, the be heated floating of cold air and the air in the heat dissipation channel 53 top external world of further reinforcement carries out the speed of heat loss through convection, heat in heat dissipation channel 53 is discharged in time, reduce the temperature of light source substrate, and then guarantee that LED chip temperature is in lower state, extend the service life of LED chip, meet the demand of large-scale place to high-power illumination equipment.
embodiment 2
The present embodiment provides a kind of high-power LED lamp, be with the difference of embodiment 1: as shown in Figure 5, radiating fin 52 in described radiator 5 is arranged between described inner tube wall 54 and described outer tube wall 51, only support fin 52a by several to form, radiator 5 is divided into some heat dissipation channels 53 vertically extended by described support fin 52a, namely arbitrary neighborhood two supports fin 52a and inner tube wall 54, formation heat dissipation channel 53 vertically between outer tube wall 51, the top of heat dissipation channel 53 is directly connected with the air in the external world, heat dissipation channel 53 bottom is connected with the surface of light source substrate 1.Support that fin 52a number arranges number decided by the watt level of the LED light source be arranged on described light source substrate 1, the radiating fin more than 52 of the larger setting of power of described LED light source 2 is installed, the heat dissipation channel more than 53 formed, be convenient in time the heat that described light source substrate 1 passes out be passed to extraneous air through heat dissipation channel 53, guarantee the high efficiency of dispelling the heat.
embodiment 3
The present embodiment provides a kind of high-power LED lamp, be with the difference of embodiment 1: as shown in Figure 6, described radiator 5 comprises outer tube wall 51 and the some heat radiations be radially connected between outer tube wall two inwall support fin 52a, and this radiator 5 is connected with light source substrate 1 by the outer ring screw hole 14 being arranged at outer tube wall 51 bottom.
In this embodiment, outside described LED driving light source, hang over the outside of radiator 5.
embodiment 4
The present embodiment provides a kind of high-power LED lamp, be with the difference of embodiment 1: as shown in Figure 7, the outer tube wall 51 of described radiator 5 is octagon, the shaping inner ring screw hole 13 for being connected with described light source substrate 1 in bottom of described inner tube wall 54, the shaping inner ring screw hole 13 for being connected with described upper cover 10 in top of described inner tube wall 54, the shaping outer ring screw hole 14 for installing lampshade in bottom of described outer tube wall 51, the shaping outer ring screw hole 14 for mounted lamp support in top of described outer tube wall 51.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. a high-power LED lamp, it is characterized in that: comprise light source substrate (1), LED light source (2) is installed in one end of described light source substrate (1), the other end is fixedly connected with at least one radiator (5), described radiator (5) comprises the outer tube wall (51) that vertically extends and is positioned at the inner and some radiating fins (52) be connected on described outer tube wall (51) of described outer tube wall (51), and described radiating fin (52) is suitable for described radiator (5) being divided into some heat dissipation channels (53) vertically extended.
2. high-power LED lamp according to claim 1, it is characterized in that: described radiator (5) bottom forms air with light source substrate (1) surface and flows into gap (6), directly be communicated with outside air, make the inside of described radiator (5) form upper and lower cross-ventilation.
3. high-power LED lamp according to claim 1 and 2, it is characterized in that: described radiator (5) is shaped to hollow cylinder shape, the side that described light source substrate (1) is connected with described radiator (5) is provided with boss (8), and the inner tube wall (54) of described radiator (5) is sheathed on described boss (8).
4. high-power LED lamp according to claim 3, it is characterized in that: described inner tube wall (54) adopts interference fit with described boss (8) or is threaded, the inner core (9) that described inner tube wall (54) surrounds is circular cylinder, oval cylinder, square tube, polygon cylinder, any one in irregular shape cylinder, the shape of described light source substrate (1) convex platform (8) and the matching form of described hollow cylinder (9) close; The profile of described outer tube wall (51) is any one in circular cylinder, oval cylinder, square tube, polygon cylinder, irregular shape cylinder.
5. the high-power LED lamp according to claim 3 or 4, it is characterized in that: described radiating fin (52) is arranged between described inner tube wall (54) and described outer tube wall (51), it comprises several and supports fin (52a), described support fin (52a) one end is connected to described inner tube wall (54), and the other end is connected to described outer tube wall (51); Also comprise several ring fins (52b), described ring fin (52b) is surrounded between described inner tube wall (54) and described outer tube wall (51), forms some described heat dissipation channels (53) between described support fin (52a) and described ring fin (52b).
6. according to the arbitrary described high-power LED lamp of claim 3-5, it is characterized in that: described light source substrate (1) forms boss seat (12), described boss (8) takes shape on described boss seat (12), the bottom, side that described radiator (5) is sheathed on described boss (8) is resisted against on described boss seat (12), flows into gap (6) to make forming described air between described radiator (5) and described light source substrate (1).
7., according to the arbitrary described high-power LED lamp of claim 3-6, it is characterized in that: described boss (8) is hollow cylinder shape.
8. according to the arbitrary described high-power LED lamp of claim 3-7, it is characterized in that: LED drive power is installed in described inner core (9) inner space, power supply lead wire hole (7) is provided with in the middle of described LED light source substrate (1), described power supply lead wire hole (7) is communicated with described inner core (9), upper cover (10) is installed at the top of described inner tube wall (54), and described upper cover (10) sets out wire terminal hole (11).
9. according to the arbitrary described high-power LED lamp of claim 3-8, it is characterized in that: the shaping inner ring screw hole (13) for being connected with described light source substrate (1) in bottom of described inner tube wall (54), and/or the shaping inner ring screw hole (13) for being connected with described upper cover in the top of described inner tube wall (54), and/or the shaping outer ring screw hole (14) for installing lampshade in the bottom of described outer tube wall (51), and/or the shaping outer ring screw hole (14) for mounted lamp support in the top of described outer tube wall (51).
10. according to the arbitrary described high-power LED lamp of claim 3-5, it is characterized in that: the side of the described LED light source of installation (2) of described light source substrate (1) is shaped to the chamber structure with opening, described LED light source (2) is installed on the plate face of described light source substrate (1), described light source substrate (1) forms the step installing transmissive mirror (3), and described transmissive mirror (3) is fixed on described light source substrate (1) by the transmissive mirror pressing plate (4) be threaded with described light source substrate (1).
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| CN201510022417.2A CN104565943A (en) | 2015-01-16 | 2015-01-16 | Large-power LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510022417.2A CN104565943A (en) | 2015-01-16 | 2015-01-16 | Large-power LED lamp |
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| CN104565943A true CN104565943A (en) | 2015-04-29 |
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| CN201510022417.2A Pending CN104565943A (en) | 2015-01-16 | 2015-01-16 | Large-power LED lamp |
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| CN106684193A (en) * | 2017-03-12 | 2017-05-17 | 成都聚合追阳科技有限公司 | Low condensing photovoltaic circular-section-shaped heat-radiating fin radiator |
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| CN106847978A (en) * | 2017-03-24 | 2017-06-13 | 成都聚合科技有限公司 | A kind of high power concentrating photovoltaic bar section stagger mode radiating fin radiating module |
| CN106847975A (en) * | 2017-03-24 | 2017-06-13 | 成都聚合科技有限公司 | A kind of high power concentrating photovoltaic justifies section shape radiating fin radiating module |
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| CN106653920A (en) * | 2017-03-24 | 2017-05-10 | 成都聚合科技有限公司 | High-concentrating photovoltaic strip-shaped heat dissipation fin heat dissipation module |
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| CN110608398A (en) * | 2019-10-30 | 2019-12-24 | 深圳市美斯特光电技术有限公司 | High-power LED lighting device with power supply service life protection function |
| CN110608398B (en) * | 2019-10-30 | 2024-05-03 | 深圳市美斯特光电技术有限公司 | High-power LED lighting device with power life protection function |
| CN113701067A (en) * | 2021-09-11 | 2021-11-26 | 扬州市杰耀照明器材有限公司 | LED lamp with good heat dissipation performance |
| CN113701067B (en) * | 2021-09-11 | 2023-09-29 | 扬州市杰耀照明器材有限公司 | LED lamp with good heat dissipation performance |
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Application publication date: 20150429 |