CN202972709U - Light-emitting diode (LED) lamp - Google Patents
Light-emitting diode (LED) lamp Download PDFInfo
- Publication number
- CN202972709U CN202972709U CN2012207394706U CN201220739470U CN202972709U CN 202972709 U CN202972709 U CN 202972709U CN 2012207394706 U CN2012207394706 U CN 2012207394706U CN 201220739470 U CN201220739470 U CN 201220739470U CN 202972709 U CN202972709 U CN 202972709U
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- emitting diode
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a light-emitting diode (LED) lamp which comprises a lamp cap, two light outlet covers, two radiating bodies, LEDs and LED base plates. The two light outlet covers and the two radiating bodies are hollow, in the shape of half a round pipe and are adhered through buckling positions to form round pipes. The light outlet covers are arranged outside the LED lamp. The radiating bodies are arranged in the LED lamp. Two ends of the light outlet covers and the radiating bodies are converged, the bottom ends of the light outlet covers and the radiating bodies are contained in the lamp cap and the top ends of the light outlet covers and the radiating bodies are fixed together through locking caps. The LED base plates are fixed in hollow pipes along the radial direction of the pipes. The LEDs are evenly on one sides, facing the light outlet covers, of the LED base plates along the radial direction of the pipes. The LED lamp can improve lighting quality.
Description
Technical Field
The present invention relates to Light Emitting Diode (LED) technology, and more particularly to a multi-surface LED lamp with omnidirectional emission.
Background
A Liquid Crystal Display (LCD) is a non-light emitting Display element, and a light emitting source is required to be disposed on an LCD panel to achieve light emitting and displaying effects. In the prior art, a backlight unit (BLU) light bar is an optical component for providing a backlight source to an LCD. Generally, a BLU receives light sources provided by an LED, a Cold Cathode Fluorescent Lamp (CCFL), or an Electro Luminescence (EL) element, and reflects and condenses light to form a light emitting source.
With the widespread application of LED technology, LED luminaires have begun to be used in large numbers in indoor lighting. However, the existing LED lamp mainly adopts a light reflecting device and a light guide device to distribute light, and the light loss is large; meanwhile, the position of the heat radiator is occupied by the reflecting device and the light guide device, so that the heat radiation efficiency is low and the power of a light source is small; moreover, a single light-emitting surface is adopted to emit light outwards, the light-emitting angle is small, so that the light is not uniform in light emission, the light-emitting quality is low, and the comfort experience of a user is influenced.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a light emitting diode lamps and lanterns improves luminous quality.
In order to achieve the above object, an embodiment of the present invention provides a light emitting diode lamp, including: a lamp cap, a light-emitting cover, a heat sink, a light-emitting diode and a light-emitting diode substrate, wherein,
the number of the light outlet covers and the number of the heat radiating bodies are more than two, the light outlet covers and the heat radiating bodies are hollow semicircular pipes, and the semicircular pipe-shaped light outlet covers and the semicircular pipe-shaped heat radiating bodies are bonded through buckling positions to form circular pipes;
the light outlet cover is positioned on the outer side of the light-emitting diode lamp, and the heat radiation body is positioned on the inner side of the light-emitting diode lamp;
the two ends of the light outgoing cover and the heat radiation body are respectively crossed, the bottom end of the light outgoing cover is accommodated in the lamp holder, and the top ends of the light outgoing cover and the heat radiation body are fixed together through a locking cap;
the light-emitting diode substrate is fixed in the hollow round tube along the radial direction of the round tube;
the light emitting diodes are uniformly arranged on the light emitting diode substrate along the radial direction of the circular tube and face one side of the light outlet cover.
Preferably, the number of the light emitting covers and the heat sinks is 3.
Preferably, the lamp cap is an E27 lamp cap.
Preferably, the three light emitting covers are uniformly distributed in the space to form an outer contour of the light emitting diode lamp.
Preferably, the outer contour surface of the light outgoing cover is a light outgoing surface and adopts a curved structure.
Preferably, the curved structure is an arc, and the light emergent surface is arc-shaped and protrudes outwards.
Preferably, the light emitting diode substrate is a soft glass fiber substrate with a thickness less than 0.2 mm.
Preferably, the light emitting diode is a practical patch type low-power light emitting diode emitting light at a large angle.
Preferably, the heat sink is made of aluminum alloy or zinc alloy, and white heat dissipation paint is sprayed on the inner and outer contour surfaces of the heat sink.
Preferably, a driving circuit board for driving the light emitting diode is further arranged inside the lamp cap, and the driving circuit board is connected with the light emitting diode mounted on the light emitting diode substrate through a flexible lead.
According to the above technical scheme, the embodiment of the utility model provides a pair of LED lamps and lanterns, LED lamps and lanterns include: the LED lamp comprises a lamp cap, a light outlet cover, a heat radiation body, an LED and an LED substrate, wherein the number of the light outlet cover and the heat radiation body is more than two, the light outlet cover and the heat radiation body are hollow semicircular pipes, and the semicircular pipe-shaped light outlet cover and the semicircular pipe-shaped heat radiation body are bonded through buckling positions to form a circular pipe; the light outlet cover is positioned on the outer side of the light-emitting diode lamp, and the heat radiation body is positioned on the inner side of the light-emitting diode lamp; the two ends of the light outgoing cover and the heat radiation body are respectively crossed, the bottom end of the light outgoing cover is accommodated in the lamp holder, and the top ends of the light outgoing cover and the heat radiation body are fixed together through a locking cap; the light-emitting diode substrate is fixed in the hollow round tube along the radial direction of the round tube; the light emitting diodes are uniformly arranged on the light emitting diode substrate along the radial direction of the circular tube and face one side of the light outlet cover.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art further embodiments and drawings can be derived from the embodiments shown in the drawings.
Fig. 1 is a schematic view of a front view structure of an led lamp according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structural view of the embodiment of the present invention, which is cut along a-a in fig. 1.
Fig. 3 is a schematic view of a three-dimensional structure of a light emitting diode lamp according to an embodiment of the present invention.
Fig. 4 is a schematic view of spatial positions of the light-emitting cover and the heat sink according to the embodiment of the present invention.
Fig. 5 is the embodiment of the present invention provides a schematic diagram of the installation position of the LED in the LED lamp.
Fig. 6 is a schematic view of a half-sectional structure of a lamp holder according to an embodiment of the present invention.
Fig. 7 is a schematic view of a light emitting method based on the led lamp according to an embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The existing LED lamp adopts a single light-emitting surface to emit light outwards, the light-emitting angle is small, the light is not uniform, the light-emitting quality is low, and the comfort experience of a user is influenced.
According to the requirement of energy star and some users who are used to incandescent lamp illumination, the large-angle light emitting mode is very important, so that the light can be emitted uniformly, the light emitting quality is high, and the comfort experience of the users is improved.
In the embodiment of the utility model, the multi-surface omnidirectional light-emitting type LED lamp for indoor illumination is provided with a plurality of uniform light-emitting surfaces, so that the light-emitting angle is large, the light-emitting efficiency is high, and the light-emitting quality is high; meanwhile, in order to embody some unique advantages of the LED lamp as a new light source, the whole shape of the LED lamp is in a petal shape, the distribution of each petal is uniform and consistent, and the latest market requirements can be met.
Fig. 1 is a schematic view of a front view structure of an led lamp according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structural view of the embodiment of the present invention, which is cut along a-a in fig. 1.
Fig. 3 is a schematic view of a three-dimensional structure of a light emitting diode lamp according to an embodiment of the present invention.
Referring to fig. 1 to 3, the led lamp includes: a lamp cap 101, a light-emitting cover 102, a heat radiator 103, a light-emitting diode 104 and a light-emitting diode substrate 105, wherein,
the number of the light emitting covers 102 and the heat radiating bodies 103 is more than two, the light emitting covers 102 and the heat radiating bodies 103 are hollow semicircular pipes, and the semicircular pipe-shaped light emitting covers 102 and the semicircular pipe-shaped heat radiating bodies 103 are bonded through buckling positions to form circular pipes;
the light outlet cover 102 is positioned at the outer side of the LED lamp, and the heat radiator 103 is positioned at the inner side of the LED lamp;
the two ends of the light outlet cover 102 and the heat radiator 103 are respectively crossed, the bottom end of the light outlet cover is accommodated in the lamp holder 101, and the top ends of the light outlet cover and the heat radiator are fixed together through a locking cap;
the light emitting diode substrate 105 is fixed in the hollow round tube along the radial direction of the round tube;
the light emitting diodes 104 are uniformly arranged on the side of the light emitting diode substrate 105 facing the light exiting cover 102 along the radial direction of the circular tube.
Wherein,
the lamp head may be a universal E27 lamp head.
Preferably, the number of the light-emitting covers 102 and the heat dissipation bodies 103 is 3, and of course, in practical applications, the number of the light-emitting covers 102 and the heat dissipation bodies 103 may also be set to 2, 4 or other values. In the embodiment of the present invention, the number of the light-emitting cover 102 and the heat-dissipating body 103 is 3 for example.
The light outgoing cover 102 and the heat radiation body 103 are bonded to form circular tubes, two ends of the 3 circular tubes are respectively intersected, and the top ends of the circular tubes are the top ends of the LED lamp and are fixed together through locking caps; the bottom end of the round tube is accommodated in the lamp cap 101, i.e. spliced together by the lamp cap 101.
Fig. 4 is a schematic view of spatial positions of the light-emitting cover and the heat sink according to the embodiment of the present invention. Referring to fig. 4, the three light exiting covers 102 are uniformly distributed in the space, that is, they form an included angle of 120 degrees, so as to form an outer contour of the LED lamp, and an outer contour surface of the light exiting cover 102 is a light exiting surface and adopts a curved structure. In the embodiment of the present invention, the LED lamp includes three light emitting surfaces, each outer contour surface of the light emitting cover 102 corresponds to a light emitting surface, and preferably, each light emitting surface is a circular arc and protrudes outward, i.e. the curve structure is a circular arc. Therefore, the light emitted by the LED can be diffused by 360 degrees, and the light emitting effect of the traditional incandescent bulb can be achieved.
In practical application, the LED lamp generates a large amount of heat in the working process, so that the generated heat needs to be dissipated to ensure the stable and normal work of the LED lamp. In the embodiment of the utility model, see fig. 2, the face of cutting open of light-emitting cover 102 is the semicircle ring of ring, and the face of cutting open of radiator is the second half ring of this ring, and light-emitting cover 102 bonds through the buckle position with radiator 103 to this proof strength.
Preferably, the light emitting diode substrate 105 is a soft glass substrate, and is disposed and fixed in the heat sink 103, and the LED104 is soldered on the soft glass substrate.
Preferably, the outer profile surface of the radiator also adopts a curve structure, and in order to be able to fit the curve structure of the radiator, in the embodiment of the present invention, the LED substrate 105 may adopt a soft glass fiber substrate smaller than 0.2 mm.
Fig. 5 is the embodiment of the present invention provides a schematic diagram of the installation position of the LED in the LED lamp. Referring to fig. 5, the LEDs are mounted on the soft glass fiber substrate at equal intervals. Preferably, the LED adopts a practical patch type low-power LED (less than 0.1W) emitting light at a large angle, so that the LED lamp can uniformly emit light by uniformly distributing the LED in the LED lamp.
Preferably, the light-exiting cover 102 is made of a translucent plastic material with a diffusion additive, and the light transmittance is greater than 85%, for example, the material can be polymethyl methacrylate (PMMA) or Polycarbonate (PC), that is, the light-exiting cover 102 is made of organic glass or bulletproof glass cement, so that high light-exiting efficiency and good light-exiting uniformity can be achieved.
Preferably, the heat sink 103 is made of aluminum alloy or zinc alloy, and white heat dissipation paint is sprayed on the inner and outer contour surfaces of the heat sink 103 to improve the heat dissipation efficiency, and meanwhile, the heat sink is also beautiful, and the overall appearance of the LED lamp is more consistent.
Preferably, the light-emitting cover 102 and the heat radiator 103 form a sealed space.
Fig. 6 is a schematic view of a half-sectional structure of a lamp holder according to an embodiment of the present invention. Referring to fig. 6, a driving circuit board 601 for driving the LEDs 104 is disposed inside the lamp head 101, and the driving circuit board 601 is connected to the LEDs 104 independently mounted on the flexible glass fiber substrate through flexible wires 602, so as to provide the LEDs 104 with a voltage required for operation.
The embodiment of the utility model provides an in, the fine base plate of soft glass can be the flexible circuit board, with the welding of paster type LED on the flexible circuit board, the heat conduction glue of reusing fixes the flexible circuit board in the radiator, then, will go out the light shield and bond through the buckle position with the radiator, goes out the top of light shield and radiator and fixes through locking the cap, and after bottom and circuit board welding cord, the holding is connected with the lamp holder in the lamp holder, can carry out the power-on test behind the pressfitting lamp holder.
As can be seen from the above, the light emitting diode lamp according to the embodiment of the present invention is different from the existing cylindrical or pear-shaped LED lamp similar to the incandescent lamp in that the LED lamp is formed by splicing 3 circular tubes containing a light emitting cover and a heat dissipating body, and has a unique shape, thereby realizing the uniqueness of the overall appearance of the LED lamp; furthermore, the circular tube adopts a two-half-circular structure, heat is radiated towards the heat radiator on the inner side of the LED lamp, and light is emitted towards the light emitting cover on the outer side of the LED lamp, so that light loss is reduced, the heat radiation area is increased, and the heat radiation efficiency is improved; moreover, the driving circuit board is arranged in the lamp holder, the LEDs are uniformly welded on the flexible glass fiber substrate, the power of a light source is improved, the light emitting surface with the uniform distribution emits light outwards, the light emitting angle is large, the light emitting is uniform, the light emitting quality is high, the light emitting characteristic is similar to that of an incandescent lamp, and the omnidirectional illumination performance is realized, so that the comfortable experience of a user is improved.
Fig. 7 is a schematic view of a light emitting method based on the led lamp according to an embodiment of the present invention. Referring to fig. 7, the method includes:
in this step, the number of the light covers and the heat sinks to be set is 3.
in this step, the three light emitting covers are uniformly distributed in the space to form the outer contour of the light emitting diode lamp.
Preferably, the outer contour surface of the light-emitting mask is a light-emitting surface and adopts a curved structure.
Preferably, the curved structure is an arc, and the light-emitting surface is arc-shaped and protrudes outwards.
In practical application, the light-emitting cover can be made of semitransparent plastic materials with diffusion additives.
The heat radiator is made of aluminum alloy or zinc alloy, and white heat-radiating paint is sprayed on the inner and outer contour surfaces of the heat radiator.
703, arranging a light-emitting diode substrate along the radial direction of the circular tube and fixing the light-emitting diode substrate in the hollow circular tube, and arranging light-emitting diodes along the radial direction of the circular tube and uniformly arranging the light-emitting diodes on the light-emitting diode substrate towards one side of the light-emitting cover;
in this step, the light emitting diode substrate is a soft glass fiber substrate, and is arranged and fixed in the heat sink.
Preferably, the light emitting diode substrate is a soft glass fiber substrate with a thickness less than 0.2 mm.
In practical application, the light emitting diode can be a practical patch type low-power light emitting diode emitting light from a large angle.
preferably, before the light emitting diode lamp is composed of the lamp holder, the light emitting cover, the heat sink, the light emitting diode, and the light emitting diode substrate, the method may further include:
and a driving circuit board for driving the light emitting diode is arranged in the lamp holder, and the driving circuit board is connected with the light emitting diode arranged on the light emitting diode substrate through a flexible lead.
In the step, the LED lamp is formed by splicing 3 circular tubes containing the light-emitting cover and the heat dissipation body, the circular tubes are of a two-half-circle structure, heat is dissipated through the heat dissipation body facing the inner side of the LED lamp, the light is emitted towards the light-emitting cover on the outer side of the LED lamp, light loss is reduced, the heat dissipation area is increased, and the heat dissipation efficiency is improved; the driving circuit board is arranged in the lamp holder, so that the structure is simplified; the LEDs are uniformly welded on the flexible glass fiber substrate, so that the power of a light source is improved; the light-emitting surfaces which are uniformly distributed emit light outwards, so that the light-emitting angle is large, the light is uniform, the light-emitting quality is high, and the omnidirectional illumination is realized.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention also encompasses these modifications and variations.
Claims (10)
1. An led lamp, comprising: a lamp cap, a light-emitting cover, a heat sink, a light-emitting diode and a light-emitting diode substrate, wherein,
the number of the light outlet covers and the number of the heat radiating bodies are more than two, the light outlet covers and the heat radiating bodies are hollow semicircular pipes, and the semicircular pipe-shaped light outlet covers and the semicircular pipe-shaped heat radiating bodies are bonded through buckling positions to form circular pipes;
the light outlet cover is positioned on the outer side of the light-emitting diode lamp, and the heat radiation body is positioned on the inner side of the light-emitting diode lamp;
the two ends of the light outgoing cover and the heat radiation body are respectively crossed, the bottom end of the light outgoing cover is accommodated in the lamp holder, and the top ends of the light outgoing cover and the heat radiation body are fixed together through a locking cap;
the light-emitting diode substrate is fixed in the hollow round tube along the radial direction of the round tube;
the light emitting diodes are uniformly arranged on the light emitting diode substrate along the radial direction of the circular tube and face one side of the light outlet cover.
2. The led lamp of claim 1, wherein the number of the light exiting covers and the heat dissipating bodies is 3.
3. The led lamp of claim 2 wherein the base is an E27 base.
4. The led lamp of claim 3 wherein the three light exiting covers are evenly distributed in space to form an outer profile of the led lamp.
5. The led lamp of claim 4, wherein the outer contour surface of the light-exiting cover is a light-exiting surface and has a curved structure.
6. The LED lamp of claim 5, wherein the curved structure is an arc, and the light exit surface is convex outward in the shape of an arc.
7. The led lamp of claim 1 wherein the led substrate is a soft glass substrate of less than 0.2 mm.
8. The led lamp of claim 1 wherein said leds are implemented as small power leds of the chip type for practical high angle light extraction.
9. The led lamp of claim 1 wherein the heat sink is made of aluminum alloy or zinc alloy, and white heat sink paint is applied to the inner and outer surfaces of the heat sink.
10. The led lamp according to any one of claims 1 to 9, wherein a driving circuit board for driving the leds is further disposed inside the lamp cap, and the driving circuit board is connected to the leds mounted on the led substrate through flexible wires.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012207394706U CN202972709U (en) | 2012-12-28 | 2012-12-28 | Light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
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CN2012207394706U CN202972709U (en) | 2012-12-28 | 2012-12-28 | Light-emitting diode (LED) lamp |
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CN2012207394706U Expired - Fee Related CN202972709U (en) | 2012-12-28 | 2012-12-28 | Light-emitting diode (LED) lamp |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103090224A (en) * | 2012-12-28 | 2013-05-08 | 四川新力光源股份有限公司 | Light emitting diode (LED) lamp and light emitting method based on the same |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103090224A (en) * | 2012-12-28 | 2013-05-08 | 四川新力光源股份有限公司 | Light emitting diode (LED) lamp and light emitting method based on the same |
CN103090224B (en) * | 2012-12-28 | 2014-12-24 | 四川新力光源股份有限公司 | Light emitting diode (LED) lamp and light emitting method based on the same |
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Granted publication date: 20130605 Termination date: 20181228 |