CN201934989U - Light emitting diode (LED) illuminating lamp - Google Patents

Light emitting diode (LED) illuminating lamp Download PDF

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Publication number
CN201934989U
CN201934989U CN2010206845564U CN201020684556U CN201934989U CN 201934989 U CN201934989 U CN 201934989U CN 2010206845564 U CN2010206845564 U CN 2010206845564U CN 201020684556 U CN201020684556 U CN 201020684556U CN 201934989 U CN201934989 U CN 201934989U
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CN
China
Prior art keywords
heat
dissipating casing
conducting substrate
led
driving power
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Expired - Fee Related
Application number
CN2010206845564U
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Chinese (zh)
Inventor
庞桂伟
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Shenzhen Top Technology Co Ltd
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Shenzhen Top Technology Co Ltd
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Priority to CN2010206845564U priority Critical patent/CN201934989U/en
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Publication of CN201934989U publication Critical patent/CN201934989U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a light emitting diode (LED) illuminating lamp, which comprises a lampshade and an LED array, and is characterized by also comprising a heat conducting substrate and a heat radiating shell which is snapped with the lampshade to form a cavity, wherein the heat conducting substrate and the LED array are arranged inside the cavity, the LED array is arranged between the lampshade and the heat conducting substrate and is fixed onto one side surface of the heat conducting substrate, the other side surface of the heat conducting substrate is closely connected with the inner surface of the heat radiating shell, and the heat radiating shell is provided with a group of heat radiating fins. The LED illuminating lamp has the beneficial effects that: since the heat conducting substrate, the heat radiating shell and the group of heat radiating fins which is arranged on the heat radiating shell are adopted, the airflow at one side of the heat radiating shell of the LED illuminating lamp is more convenient to flow, the heat exchanging efficiency is improved, the heat radiating problem of the LED illuminating lamp can be well solved, the work stability of an LED can be improved, the light attenuation of the LED can be slowed down, and the service life of the LED can be prolonged.

Description

A kind of LED illuminating lamp
Technical field
The utility model relates to field of illuminating lamps, relates in particular to a kind of LED illuminating lamp.
Background technology
On present lighting market, fluorescent lamp generally adopts glass coated inner wall fluorescent material and the mode of filling mercury vapour in fluorescent tube, this mode has a lot of raisings than original tungsten filament solid luminescence mode on photoelectric transformation efficiency, extensively adopt in the whole world, but the pollution of mercury metal pair environment but can not be ignored, and fluorescent lamp also will cooperate starter and ballast to use, and causes that the fluorescent lamp power consumption is big, the life-span short; Contact pin type LED annular lamp is that tens of or up to a hundred contact pin type LED are placed on the circuit board, circuit board adopts resin material usually, heat conductivility is poor, the heat that sends during contact pin type LED work can not distribute well, cause LED temperature on every side very high, quicken the optical attenuation of LED easily, cause the LED job insecurity, influence the life-span of LED.
The utility model content
In order to solve the bad problem of LED illuminating lamp heat radiation in the prior art, the utility model provides a kind of LED illuminating lamp, thereby comprise lampshade, led array, heat-conducting substrate and cover the heat-dissipating casing that forms a cavity mutually with described lampshade, described heat-conducting substrate and described led array are positioned at described cavity, this led array is between described lampshade and the described heat-conducting substrate and be fixed on the described heat-conducting substrate side plate face, another lateral plates of this heat-conducting substrate closely is connected with the inner surface of described heat-dissipating casing, and described heat-dissipating casing is provided with the radiating fin group.
Further, the heat dissipation metal fin that described radiating fin group is arranged, stood on the described heat-dissipating casing by at least two spaces is formed, and described led array is made up of at least two adopting surface mounted LEDs, and described heat-conducting substrate is a metal heat-conducting substrate.
Further, described heat-dissipating casing and described radiating fin group are structure as a whole, and described heat dissipation metal fin is an aluminium matter radiating fin, is filled with heat-conducting cream between described heat-dissipating casing and the described heat-conducting substrate, and described heat-conducting substrate is an aluminium base.
Further, described lampshade, described heat-dissipating casing and described heat-conducting substrate are coadapted annular, described heat dissipation metal fin is " C " shape, a plurality of described heat dissipation metal fins arrange evenly and at intervals that around the axis of described heat-dissipating casing a plurality of described adopting surface mounted LEDs are arranged evenly and at intervals around the axis of described heat-conducting substrate.
Further, described heat dissipation metal fin is perpendicular to the sagittal plane of described heat-dissipating casing, and the angle that radially forms of this heat dissipation metal fin and this heat-dissipating casing more than or equal to 5 °, smaller or equal to 90 °.
Further, described LED illuminating lamp also comprises driving power and plug, and an end of described driving power is electrically connected with described led array, and the other end is electrically connected with described plug.
Further, described LED illuminating lamp also comprises the driving power cover, this driving power cover covers on the described driving power, described heat-dissipating casing offers the shell breach that adapts with described driving power cover, described heat-conducting substrate offers with described driving power and adapts and the substrate breach corresponding with described shell breach, described driving power is covered with to be put in the shell indentation, there, and described driving power is arranged on described substrate indentation, there.
Further, described plug arrangement is in the described driving power box cover outside, and the angle of the sagittal plane of the sensing of this plug and described heat-dissipating casing formation more than or equal to 40 °, smaller or equal to 50 °.
Further, the outer shroud of described heat-dissipating casing and interior ring edge are respectively equipped with outer shroud draw-in groove and interior ring draw-in groove, and the outer shroud of described lampshade and interior ring edge are respectively equipped with this outer shroud draw-in groove and should interiorly encircle outer shroud card article and the interior ring card article that draw-in groove matches respectively; The angle that radially forms of described heat dissipation metal fin and described heat-dissipating casing is 30 °; The angle that the sensing of described plug and the sagittal plane of this heat-dissipating casing form is 45 °.
The beneficial effects of the utility model are: owing to adopted heat-conducting substrate, heat-dissipating casing and the radiating fin group is set on heat-dissipating casing, the air current flow of heat-dissipating casing one side of LED illuminating lamp is more convenient, improved heat exchanger effectiveness, thereby solved the heat dissipation problem of LED illuminating lamp well, improve the job stability of LED, slow down the problem of LED optical attenuation, prolong the life-span of LED.
Description of drawings
Fig. 1 is the floor map of an embodiment of the utility model LED illuminating lamp;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of LED illuminating lamp shown in Figure 1;
Fig. 3 is the floor map of another embodiment of the utility model LED illuminating lamp;
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of LED illuminating lamp shown in Figure 3;
Reference numeral: 1. lampshade, 2.LED array, 3. heat-conducting substrate, 4. heat-dissipating casing, 5. driving power, 3a. substrate breach, 4a. shell breach, 41. the radiating fin group, 51. driving power covers, 52. driving power boxes, 53. the driving power lid, 101. outer shroud card articles, 102. interior ring card articles, 401. the outer shroud draw-in groove, 402. interior ring draw-in grooves, 403. Wiring ports, 501. plug, 502. driving power connecting lines, 503. binding posts.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is further specified.
As shown in Figure 1 and Figure 2, LED illuminating lamp of the present utility model comprises lampshade 1, led array 2, heat-conducting substrate 3 and heat-dissipating casing 4, thereby described lampshade 1 covers between mutually with heat-dissipating casing 4 and forms a cavity, heat-conducting substrate 3 and led array 2 are positioned at cavity, this led array 2 is between lampshade 1 and the heat-conducting substrate 3 and be fixed on the plate face of heat-conducting substrate 3 one sides, the plate face of these heat-conducting substrate 3 opposite sides closely is connected with the medial surface of heat-dissipating casing 4, and heat-dissipating casing 4 is provided with radiating fin group 41.Described led array 2 is made up of a plurality of adopting surface mounted LEDs that are evenly arranged on the heat-conducting substrate; Heat-conducting substrate 3 and heat-dissipating casing 4 and radiating fin group 41 all select for use the good material of heat conductivility to form, the heat that produces during led array 2 work can hold very much by heat-conducting substrate 3 pass to heat-dissipating casing 4 and on radiating fin group 41, thereby heat is distributed fast.Preferably, heat-conducting substrate 3 can be selected aluminium base for use, and heat-dissipating casing 4 and radiating fin group 41 all can be selected aluminum material for use.
Described radiating fin group 41 is made up of a plurality of heat dissipation metal fin stack arrangement of standing on spaced reciprocally on the heat-dissipating casing.The heat dissipation metal fin can be branch body structures with heat-dissipating casing 4 both, and the heat dissipation metal fin is plugged on the heat-dissipating casing 4; Can be integrative-structures also with heat-dissipating casing 4.Adopt and divide body structure to be convenient to dismounting, maintenance, adopt integrative-structure then can save operation, and be beneficial to the heat conduction.
What be difficult to avoid between described heat-dissipating casing 4 and the heat-conducting substrate 3 has a gap, preferably, can between the contact-making surface of heat-dissipating casing 4 and heat-conducting substrate 3, fill heat-conducting cream, heat-conducting substrate 3 is fixed on the heat-dissipating casing 4 by heat-conducting cream, the heat-conducting cream of filling makes and contact closelyr between the contact-making surface of heat-dissipating casing 4 and heat-conducting substrate 3, is more conducive to heat and conducts.
Preferably, described lampshade 1, heat-dissipating casing 4 and heat-conducting substrate 3 are coadapted annular, the axial cross section of lampshade 1 and heat-dissipating casing 4 is the capable or semiellipse arc of semi arch, lampshade 1 is consistent with heat-dissipating casing 4 sizes, heat-dissipating casing 4 outer shrouds and interior ring edge are respectively equipped with outer shroud draw-in groove 401 and interior ring draw-in groove 402, the outer shroud draw-in groove 401 and the interior ring draw-in groove 402 of the corresponding heat-dissipating casing 4 in the outer shroud of lampshade 1 and interior ring edge are respectively arranged with outer shroud card article 101 and interior ring card article 102, outer shroud draw-in groove 401, in the ring draw-in groove 402 respectively and outer shroud card article 101, interior ring card article 102 fastens, thereby heat-dissipating casing 4 and lampshade 1 are linked together, and form a radial section for annular, axial cross section is approximately circular or half elliptic cavity, and the heat-conducting substrate 3 of annular is arranged in this cavity.Lampshade 1 and heat-dissipating casing 4 adopt the form of full screens to make that total is easy to assembly and are easy to dismounting, maintenance.A plurality of adopting surface mounted LEDs are arranged on the heat-conducting substrate 3 of annular evenly and at intervals around the axis of heat-conducting substrate 3.Lampshade 1, heat-dissipating casing 4 and heat-conducting substrate 3 adopt the structure of annular, and led array 2 arranges equably that around axis the light that makes LED illuminating lamp of the present utility model send is more even when work.
Form the heat dissipation metal fin of described radiating fin group 41 and arrange evenly and at intervals that around the axis of heat-dissipating casing 4 shape of heat dissipation metal fin is roughly the shape of English alphabet " C ".The sagittal plane of heat dissipation metal fin and heat-dissipating casing 4 is arranged on the heat-dissipating casing 4 perpendicularly, and the angle that radially forms of heat dissipation metal fin and heat-dissipating casing 4 more than or equal to 5 °, smaller or equal to 90 °, be preferably 30 °.This arrangement of heat dissipation metal fin meets the principle that air flows, and the heat on the heat dissipation metal fin is distributed faster towards periphery.
Owing to adopted the structure of radiating fin group 41 on the heat-dissipating casing 4, the heat of output is after heat-conducting substrate 3 and heat-conducting cream are transmitted to heat-dissipating casing 4 during led array 2 work, radiating fin group 41 by its top is dispersed in the air apace again, thereby can reduce the temperature of led array 2 in time, guarantee the work of led array 2 long-term stabilities, effectively slow down the decay of LED light, prolong the life-span of LED.
The LED illuminating lamp of present embodiment also comprises driving power 5, driving power is furnished with plug 501, driving power 5 one ends are electrically connected with led array 2, the other end is electrically connected with plug 501, plug 501 can insert external power source (for example civil power) socket so that driving power 5 and led array 2 be powered.
As the LED illuminating lamp of an embodiment of the utility model, except that comprising above-mentioned technical characterictic, as shown in Figure 2, also comprise driving power cover 51, described plug 501 is arranged in driving power cover 51 outsides.Offer a breach on the loop configuration of heat-dissipating casing 4 and heat-conducting substrate 3 accordingly respectively: shell breach 4a and substrate breach 3a.The size and shape of the size of shell breach 4a and shape and driving power cover 51 adapts and driving power cover 51 is installed in shell breach 4a place, the size of the size of substrate breach 3a and shape and driving power 5 and shape adapts and driving power 5 is installed in the substrate indentation, there, when heat-conducting substrate 3 is installed on the heat-dissipating casing 4, needs assurance driving power 5 and driving power cover 51 residing positions to be convenient to both covers and close; Substrate breach 3a and shell breach 4a can be roughly the annular shape of coadapted fan in the cross section of the radial direction of heat-dissipating casing 4, after driving power 5 and driving power cover 51 be separately positioned on substrate breach 4a and shell breach 3a place, as shown in Figure 1, it constitutes complete annular with heat-conducting substrate 3 and heat-dissipating casing 4 respectively.As shown in Figure 1, be arranged in the sensing of plug 501 in driving power cover 51 outsides and angle that heat-dissipating casing 4 sagittal planes form more than or equal to 40 °, smaller or equal to 50 °, be preferably 45 °, this set versatility is good, just pegs graft with the socket of external power source.Lampshade 1 and driving power cover 51 are together, form a radial section with heat-dissipating casing 4 fixing backs and be approximately circular or half elliptic cavity for annular, axial cross section, in heat-conducting substrate 3 settings and this cavity, driving power 5, heat-conducting substrate 3 and led array 2 all are arranged in the cavity.Adopt the built-in structure of this driving power, can make full use of the space, make small product size smaller and more exquisite.
LED illuminating lamp as another embodiment of the utility model, above-mentioned except that comprising (not comprising the narration in the last paragragh) technical characterictic, as shown in Figure 3, Figure 4, also comprise driving power connecting line 502, driving power box 52 and the driving power lid 53 that matches with it.Driving power 5 places in the driving power box 52.Described lampshade 1, heat-dissipating casing 4 and heat-conducting substrate 3 are complete loop configuration, and driving power 5 and driving power box 52 thereof, driving power lid 53 are placed on outside the LED illuminating lamp main part of being made up of lampshade 1, heat-dissipating casing 4; Heat-dissipating casing 4 is provided with the Wiring port 403 with led array 2 electric connections, one end of driving power connecting line 502 links to each other with driving power 5 electricity, the other end is provided with a binding post 503, binding post 503 matches with Wiring port 403, even binding post 503 is inserted Wiring port 403 back led array 2 and driving power 5 electric connections.Adopt the external form of this driving power, can alleviate the weight of LED illuminating lamp main part, when power supply goes wrong when needing maintenance, only need open driving power lid 53 and need not to take apart lampshade 1 and heat-dissipating casing 4, convenient maintenance and safeguarding.Led array 2 can present 360 ° distribution around its axle center on the heat-conducting substrate 3 of annular, constitute a complete annular luminous display, and the light that sends when led array 2 is worked like this is more even.
The material that the lampshade 1 of LED illuminating lamp of the present utility model and driving power cover 51 adopts is a polycarbonate resin, and this material is ageing-resistant, and fastness is good, also has simple and reasonablely simultaneously, advantage such as is convenient to install and use; Heat-dissipating casing 4, radiating fin and heat-conducting substrate 3 equal aluminium materials are more conducive to heat conduction.The selected material of LED illuminating lamp of the present utility model all can reach the standard of degree of protection IP54.
In the LED illuminating lamp of the present utility model, it is very little that the volume of the adopting surface mounted LED of composition led array 2 can be done, and is convenient to design and layout; And owing to adopted adopting surface mounted LED, need not the such structure of glass shell, also do not need as incandescent lamp or fluorescent lamp, in fluorescent tube, to vacuumize or pour specific gas, therefore safe, antidetonation, impact resistance are good, all can offer convenience in producing and using; The light ray energy concentration degree height that adopting surface mounted LED sends, wavelength can concentrate in the less wavelength window, and optical range is wide, and light is soft, and spectroscopic pure helps protecting people's eyesight; The adopting surface mounted LED life-span is very long, generally between 50,000-100,000 hours; Even adopting surface mounted LED by frequent switch, can not have influence on its service life yet; In addition, the adopting surface mounted LED response time is fast, can reach the microsecond rank; In addition, the not only luminous directive property of adopting surface mounted LED is strong, and brightness decay is more much lower than conventional light source.
The utility model LED illuminating lamp does not need to add " mercury ", therefore very environmental protection in process of production.What the driving power of LED illuminating lamp of the present utility model in addition used is low-voltage DC, thereby it is easier than the circline that needs elements such as ballast, starter, so it is low to the environment for use requirement, is convenient to installation and maintenance.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (9)

1. LED illuminating lamp, comprise lampshade and led array, it is characterized in that: thus also comprise heat-conducting substrate and cover the heat-dissipating casing that forms a cavity mutually with described lampshade, described heat-conducting substrate and described led array are positioned at described cavity, this led array is between described lampshade and the described heat-conducting substrate and be fixed on the described heat-conducting substrate side plate face, another lateral plates of this heat-conducting substrate closely is connected with the inner surface of described heat-dissipating casing, and described heat-dissipating casing is provided with the radiating fin group.
2. LED illuminating lamp according to claim 1, its feature also is: the heat dissipation metal fin that described radiating fin group is arranged, stood on the described heat-dissipating casing by at least two spaces is formed, described led array is made up of at least two adopting surface mounted LEDs, and described heat-conducting substrate is a metal heat-conducting substrate.
3. LED illuminating lamp according to claim 2, its feature also is: described heat-dissipating casing and described radiating fin group are structure as a whole, described heat dissipation metal fin is an aluminium matter radiating fin, be filled with heat-conducting cream between described heat-dissipating casing and the described heat-conducting substrate, described heat-conducting substrate is an aluminium base.
4. LED illuminating lamp according to claim 3, its feature also is: described lampshade, described heat-dissipating casing and described heat-conducting substrate are coadapted annular, described heat dissipation metal fin is " C " shape, a plurality of described heat dissipation metal fins arrange evenly and at intervals that around the axis of described heat-dissipating casing a plurality of described adopting surface mounted LEDs are arranged evenly and at intervals around the axis of described heat-conducting substrate.
5. LED illuminating lamp according to claim 4, its feature also is: described heat dissipation metal fin is perpendicular to the sagittal plane of described heat-dissipating casing, and the angle that radially forms of this heat dissipation metal fin and this heat-dissipating casing more than or equal to 5 °, smaller or equal to 90 °.
6. LED illuminating lamp according to claim 5, its feature also is: also comprise driving power and plug, an end of described driving power is electrically connected with described led array, and the other end is electrically connected with described plug.
7. LED illuminating lamp according to claim 6, its feature also is: also comprise the driving power cover, this driving power cover covers on the described driving power, described heat-dissipating casing offers the shell breach that adapts with described driving power cover, described heat-conducting substrate offers with described driving power and adapts and the substrate breach corresponding with described shell breach, described driving power is covered with to be put in the shell indentation, there, and described driving power is arranged on described substrate indentation, there.
8. LED illuminating lamp according to claim 7, its feature also is: described plug arrangement is in the described driving power box cover outside, and the angle of the sagittal plane of the sensing of this plug and described heat-dissipating casing formation more than or equal to 40 °, smaller or equal to 50 °.
9. LED illuminating lamp according to claim 8, its feature also is: the outer shroud of described heat-dissipating casing and interior ring edge are respectively equipped with outer shroud draw-in groove and interior ring draw-in groove, and the outer shroud of described lampshade and interior ring edge are respectively equipped with this outer shroud draw-in groove and should interiorly encircle outer shroud card article and the interior ring card article that draw-in groove matches respectively; The angle that radially forms of described heat dissipation metal fin and described heat-dissipating casing is 30 °; The angle that the sensing of described plug and the sagittal plane of this heat-dissipating casing form is 45 °.
CN2010206845564U 2010-12-28 2010-12-28 Light emitting diode (LED) illuminating lamp Expired - Fee Related CN201934989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206845564U CN201934989U (en) 2010-12-28 2010-12-28 Light emitting diode (LED) illuminating lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206845564U CN201934989U (en) 2010-12-28 2010-12-28 Light emitting diode (LED) illuminating lamp

Publications (1)

Publication Number Publication Date
CN201934989U true CN201934989U (en) 2011-08-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206845564U Expired - Fee Related CN201934989U (en) 2010-12-28 2010-12-28 Light emitting diode (LED) illuminating lamp

Country Status (1)

Country Link
CN (1) CN201934989U (en)

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110817

Termination date: 20161228

CF01 Termination of patent right due to non-payment of annual fee