CN202791443U - Light reflection assembly and light-emitting diode (LED) lamp provided with the same - Google Patents

Light reflection assembly and light-emitting diode (LED) lamp provided with the same Download PDF

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Publication number
CN202791443U
CN202791443U CN2012203823219U CN201220382321U CN202791443U CN 202791443 U CN202791443 U CN 202791443U CN 2012203823219 U CN2012203823219 U CN 2012203823219U CN 201220382321 U CN201220382321 U CN 201220382321U CN 202791443 U CN202791443 U CN 202791443U
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China
Prior art keywords
light
reflective surface
reflection subassembly
led lamp
led
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Expired - Fee Related
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CN2012203823219U
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Chinese (zh)
Inventor
王冬雷
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Dalian Dehao Photoelectric Technology Co., Ltd.
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Elec Tech International Co Ltd
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Priority to CN2012203823219U priority Critical patent/CN202791443U/en
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Abstract

The utility model discloses a light reflection assembly and a light-emitting diode (LED) lamp provided with the same. The light reflection assembly is provided with a light-in end, a light-out end and a cone-shaped first reflective plane which is connected between the light-in end and the light-out end. The diameter of one end, close to the light-out end, of the first reflective plane is bigger than that of the other end of the first reflective panel. One or more concave cambered second reflective panels are arranged between the light-in end and the light-out end of the light reflection assembly and are arranged along the peripheral direction of the first reflective plane. Since the light reflection assembly is provided with the first reflective plane reflecting light rays towards the underneath of the LED lamp and the second reflective plane reflecting the light rays towards the transverse direction and the oblique rear of the LED lamp, the light rays emitted by LED beads are reflected through the light reflection assembly and can illuminate the underneath of the LED lamp and illuminate in a wide range such as the transverse direction and the oblique rear of the LED lamp so as to enable the LED lamp to have a large illumination angle. Consequently, the light distribution characters of the LED lamp are basically the same as those of a filament lamp.

Description

Light reflection subassembly and have the LED lamp of this light reflection subassembly
Technical field
The utility model relates to the parts of lighting device, particularly relates to a kind of smooth reflection subassembly, and has the LED lamp of this light reflection subassembly.
Background technology
In recent years, from the requirement of saving resource, be widely used the LED lamp and replaced the conventional light source such as incandescent lamp and fluorescent lamp, for example used bulb-shaped LED lamp to replace incandescent lamp.In order to become the alternative source of light of incandescent lamp, the light distribution property that requires the LED lamp is close with the light distribution property of incandescent lamp as much as possible, and this just requires the LED lamp not only luminous in the wide region such as horizontal thereunder but also at it and oblique rear.
Bulb-shaped LED light fixture has globe holder, and is for example milky translucent by this globe holder is made into, and can make the light from led chip that scattering occurs by globe holder the time, and becoming as far as possible, the light of wide region distributes.Be that the Chinese invention patent application of CNl02230582A discloses the LED bulb lamp so a kind of such as application publication number, it comprises lamp holder, the lamp holder liner is installed in the lamp holder, be provided with driving power in the lamp holder liner, driving power is equipped with radiator outward, one end of radiator is fixedly connected with the lamp holder liner, and the other end is equipped with led module and globe holder, and globe holder covers led module.But, because the light that sends from led module has stronger directionality, the zone and the globe holder that mainly exist by led module the place ahead, so the scattering process of globe holder is comparatively limited on the photodistributed impact of LED bulb lamp, its lighting angle is still less.
Summary of the invention
For above-mentioned prior art present situation, first technical problem to be solved in the utility model is, a kind of light reflection subassembly that can improve LED lamp lighting angle is provided.
Second technical problem to be solved in the utility model is, a kind of LED lamp with above-mentioned smooth reflection subassembly is provided.
The technical scheme that above-mentioned first technical problem that solves the utility model adopts is: a kind of smooth reflection subassembly, its have light inputting end, bright dipping end and be connected in this light inputting end and this bright dipping end between coniform the first reflective surface, and described the first reflective surface is near the diameter of an end of the bright dipping end diameter greater than the other end; Between the light inputting end of described smooth reflection subassembly and bright dipping end, also be provided with one or more concave curved surface shape the second reflective surfaces of arranging along the circumferencial direction of described the first reflective surface.
Among embodiment, described the second reflective surface tilts to the direction away from described the first reflective surface axial line with respect to the other end near an end of bright dipping end therein.
Therein among embodiment, described the second reflective surface is near the aperture area of an end of the bright dipping end aperture area less than the other end.
Therein among embodiment, described smooth reflection subassembly comprises matrix, be provided with the taper through hole that is through to the bright dipping end from light inputting end at the center of this matrix, and the diameter of close bright dipping end one end of this taper through hole is greater than the diameter of the other end, be provided with reflective membrane at the inwall of this taper through hole and form described the first reflective surface, be provided with in the periphery of this matrix and one or morely be through to the reflection groove of bright dipping end what the circumferencial direction of described taper through hole was arranged from light inputting end, the surface of this reflection groove is curved surface, is provided with reflective membrane on the surface of this reflection groove and forms described the second reflective surface.
Among embodiment, described matrix adopting heat resistant plastice is made therein, and described reflectance coating is aluminium film or silverskin.
Among embodiment, be provided with shrinkage pool on the isolation part between adjacent two described the second reflective surfaces therein.
Therein among embodiment, be provided with the breach that connects described the first reflective surface and described the second reflective surface at the light inputting end of described smooth reflection subassembly.
Among embodiment, described the first reflective surface and described the second reflective surface are separate therein.
The technical scheme that above-mentioned second technical problem that solve the utility model adopts is: a kind of LED lamp, comprise lamp holder, radiator, power module, led light source module and lampshade, the first end of described radiator is connected with described lamp holder, the second end is equipped with described led light source module and described lampshade, described led light source module comprises lamp plate and a plurality of LED lamp pearls that are arranged on this lamp plate, the second end at described radiator also is equipped with above-mentioned light reflection subassembly, described LED lamp pearl is positioned on the described lamp plate and described the first reflective surface and the corresponding position of described the second reflective surface, and described lampshade covers described led light source module and described smooth reflection subassembly.
Among embodiment, described lampshade is spherical therein.
Compared with prior art, smooth reflection subassembly provided by the utility model has the LED lamp of this light reflection subassembly, because the light reflection subassembly has towards the first reflective surface of the below reflection ray of LED lamp with towards the second reflective surface of the horizontal and oblique rear reflection light of LED lamp, the light of LED lamp pearl emission is after the reflection of light reflection subassembly, not only below the LED lamp, and luminous in wide region such as horizontal and oblique rear at it, make the LED light fixture that larger lighting angle be arranged, thereby so that the light distribution property of the light distribution property of LED lamp and incandescent lamp is basic identical.
Description of drawings
Fig. 1 is the perspective view of a direction of the light reflection subassembly among the utility model embodiment one;
Fig. 2 is the perspective view of another direction of light reflection subassembly shown in Fig. 1;
Fig. 3 is the sectional structure chart with LED lamp of the reflection subassembly of light shown in Fig. 1;
Fig. 4 is the perspective view with LED lamp of the reflection subassembly of light shown in Fig. 1;
Fig. 5 is the perspective view of the light reflection subassembly among the utility model embodiment two;
Fig. 6 is the sectional structure chart with LED lamp of the reflection subassembly of light shown in Fig. 5;
Fig. 7 is the perspective view with LED lamp of the reflection subassembly of light shown in Fig. 5.
More than among each figure, 10-lamp holder, 11-housing, 12-conductive contact, the 20-radiator, the lower end of 21-radiator, the upper end of 22-radiator, 23-diapire, the 30-power module, 40-LED light source module, 41-LED lamp pearl, 42-lamp plate, 50-light reflection subassembly, 51-taper through hole, 52-the first reflective surface, 53-reflection groove, the 54-breach, 55-isolation part, 56-shrinkage pool, 57-the second reflective surface, the light inputting end of 58-light reflection subassembly, the bright dipping end of 59-light reflection subassembly, 60-lampshade.
The specific embodiment
Also in conjunction with the embodiments the utility model is elaborated below with reference to accompanying drawing.Need to prove, in the situation of not conflicting, below feature among each embodiment and the embodiment can mutually make up.
Embodiment 1
As depicted in figs. 1 and 2, the light reflection subassembly 50 of present embodiment have light inputting end 58, bright dipping end 59 and be connected in this light inputting end 58 and this bright dipping end 59 between the first reflective surface 52 and the second reflective surface 57, the first reflective surface 52 is coniform, and the diameter of an end of the first reflective surface 52 close bright dipping ends 59 is greater than the diameter of the other end.The second reflective surface 57 is the concave curved surface shape, and one or more the second reflective surfaces 57 are uniform on the circumferencial direction of the first reflective surface 52.In the present embodiment, the quantity of the second reflective surface 57 is 6.The below reflection ray that the first reflective surface 52 is used for towards the LED lamp, horizontal and the oblique rear reflection light that the second reflective surface 57 is used for towards the LED lamp, like this, the light of LED lamp pearl 41 emissions is after 50 reflections of light reflection subassembly, not only below the LED lamp, and luminous in wide region such as horizontal and oblique rear at it, make the LED light fixture that larger lighting angle be arranged, thereby so that the light distribution property of the light distribution property of LED lamp and incandescent lamp is basic identical.
Preferably, described the second reflective surface 57 tilts to the direction away from described the first reflective surface 52 axial lines with respect to the other end near bright dipping end 59 1 ends, make the second reflective surface 57 reflect the light of launching from LED lamp pearl 41 to lamp holder 10 1 sides (tiltedly rear), and make the LED light fixture that larger lighting angle be arranged.The shape of this second reflective surface 57 can be according to the demand of LED intensity of illumination distribution is determined, the shape of determining the second reflective surface 57 according to the needs of LED intensity of illumination distribution is apparent to those skilled in the art, so this curved surface is not described in detail at this.
Preferably, described the second reflective surface 57 is near the aperture area of the bright dipping end 59 1 ends aperture area less than the other end, and this second reflective surface 57 is from light inputting end 58 to bright dipping end 59 gradually " gathering ", thereby can make more light to lamp holder 10 1 lateral reflections.
Therein among embodiment, described smooth reflection subassembly 50 comprises matrix, be provided with the taper through hole 51 that is through to bright dipping end 59 from light inputting end 58 at the center of this matrix, and the diameter of these taper through hole 51 close bright dipping end 59 1 ends is greater than the diameter of the other end, be provided with reflective membrane at the inwall of this taper through hole 51 and form described the first reflective surface 52, be provided with 6 uniform reflection grooves 53 that are through to bright dipping end 59 from light inputting end 58 on the circumferencial direction of described taper through hole 51 in the periphery of this matrix, the surface of this reflection groove 53 is curved surface, is provided with reflective membrane on the surface of this reflection groove 53 and forms described the second reflective surface 57.Preferably, matrix by polypropylene (PP), Merlon (PC) etc. can tolerate LED lamp pearl 41 when luminous the plastics of the heat that produces be prepared from, preferably, reflective membrane is aluminium film, silverskin etc., thereby the light that LED lamp pearl 41 is launched has larger range of exposures.
Preferably, be provided with the breach 54 that connects described the first reflective surface 52 and described the second reflective surface 57 at the light inputting end 58 of described smooth reflection subassembly 50, the quantity of breach 54 is identical with the quantity of the second reflective surface 57.LED lamp pearl 41 is installed in breach 54 places, so the light that LED lamp pearl 41 is launched both can expose to the first reflective surface 52, also can expose to the second reflective surface 57.
Fig. 3 and the structural representation that Figure 4 shows that the LED lamp with above-mentioned smooth reflection subassembly 50, the LED light fixture has lamp holder 10, radiator 20, power module 30, led light source module 40, light reflection subassembly 50 and lampshade 60.
Lamp holder 10 has the tubular shell 11 and the conductive contact 12 that is connected being connected with the socket (not shown) of hollow, and tubular shell 11 can be prepared from by epoxy resin or other synthetic resin material.Be connected by screw thread between conductive contact 12 and the tubular shell 11, conductive contact 12 adopts for example standard incandescent lamp lamp holder of E26 lamp holder, usually is contained in the socket that incandescent lamp is used and uses.Power module 30 can be fixed in by the mode of clamping the inside of tubular shell 11, and is electrically connected with conductive contact 12.
Radiator 20 is prepared from by the metal material that aluminium etc. has the excellent heat conductivity performance, and forms the roughly truncated conical shape of hollow.The lower end 21 of radiator 20 (namely wherein the larger end of radiator 20 diameters) is fixedly connected with lampshade 60, and lampshade 60 can be fixedly connected with radiator 20 by connect the appropriate ways such as (not shown) such as buckle.Lampshade 60 is prepared from by translucent materials such as synthetic resin or glass, and forms roughly spherical housing 11.Obviously, lampshade 60 can also form other suitable shapes beyond spherical, such as cylindrical etc.The upper end 22 of radiator 20 (namely wherein the less end of radiator 20 diameters) has opening, and the main part of tubular shell 11 is from opening radiator 20 inside of packing into.The lower end 21 of radiator 20 has a ring-type diapire 23, and the lower end 21 of tubular shell 11 can be fixedly mounted on the ring-type diapire 23 by the screw (not shown), realizes thus being fixedly connected with of lamp holder 10 and radiator 20.Led light source module 40 and light reflection subassembly 50 are fixedly mounted on the ring-type diapire 23 equally, and the installation of led light source module 40 and light reflection subassembly 50 also can be adopted the fixing mode of screw.
As shown in Figure 4, led light source module 40 comprises some LED lamp pearls 41 and is used for the lamp plate 42 of carrying LED lamp pearl 41, lamp plate 42 is basically rounded, and some LED lamp pearls 41 evenly distribute on the circumferencial direction of lamp plate 42, and is installed in breach 54 places of light reflection subassembly 50.
Embodiment 2
As shown in Figure 5, the structure of the light reflection subassembly 50 of present embodiment is substantially identical with the structure of the light reflection subassembly 50 of embodiment one, difference is: described the first reflective surface 52 and described the second reflective surface 57 are mutually separated, and namely light reflection subassembly 50 does not have breach 54.
Fig. 6 and the structural representation that Figure 7 shows that the LED lamp with above-mentioned smooth reflection subassembly 50, on lamp plate 42, be provided with LED lamp pearl 41 with the first reflective surface 52 and each the second reflective surface 57 corresponding position, thus in the present embodiment quantity of LED lamp pearl 41 more than the quantity of LED lamp pearl 41 among the embodiment 1.
Preferably, the isolation part 55 between the adjacent reflection groove 53 has shrinkage pool 56 (as shown in Figure 7).
This shows that the light reflection subassembly 50 of above embodiment and the LED light fixture with this light reflection subassembly 50 have following beneficial effect:
1, reflective surface comprises towards the first reflective surface 52 of the below reflection ray of LED lamp with towards the second reflective surface 57 of the horizontal and oblique rear reflection light of LED lamp, the light of LED lamp pearl 41 emissions is after 50 reflections of light reflection subassembly, not only below the LED lamp, and luminous in wide region such as horizontal and oblique rear at it, make the LED light fixture that larger lighting angle be arranged.
2, the second reflective surface 57 is near the aperture area of the bright dipping end 59 1 ends aperture area less than the other end, thereby can make more light towards the oblique rear reflection of LED lamp, so the light distribution property of the light distribution property of LED lamp and incandescent lamp is basic identical.
3, light reflection subassembly 50 light inputting ends 58 have a plurality of breach 54 that connect the first reflective surface 52 and the second reflective surface 57, and LED lamp pearl 41 is arranged on breach 54 places, can reduce the usage quantity of LED lamp pearl 41, reduce cost.
4, the isolation part 55 between adjacent the second reflective surface 57 has shrinkage pool 56, can reduce the material usage of light reflection subassembly 50, reduces cost.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. light reflection subassembly, its have light inputting end, bright dipping end and be connected in this light inputting end and this bright dipping end between coniform the first reflective surface, and described the first reflective surface is near the diameter of an end of the bright dipping end diameter greater than the other end; It is characterized in that, between the light inputting end of described smooth reflection subassembly and bright dipping end, also be provided with one or more concave curved surface shape the second reflective surfaces of arranging along the circumferencial direction of described the first reflective surface.
2. smooth reflection subassembly according to claim 1 is characterized in that, described the second reflective surface tilts to the direction away from described the first reflective surface axial line with respect to the other end near an end of bright dipping end.
3. smooth reflection subassembly according to claim 1 is characterized in that, the aperture area of an end of the close bright dipping end of described the second reflective surface is less than the aperture area of the other end.
4. smooth reflection subassembly according to claim 1, it is characterized in that, described smooth reflection subassembly comprises matrix, be provided with the taper through hole that is through to the bright dipping end from light inputting end at the center of this matrix, and the diameter of close bright dipping end one end of this taper through hole is greater than the diameter of the other end, be provided with reflective membrane at the inwall of this taper through hole and form described the first reflective surface, be provided with in the periphery of this matrix and one or morely be through to the reflection groove of bright dipping end what the circumferencial direction of described taper through hole was arranged from light inputting end, the surface of this reflection groove is curved surface, is provided with reflective membrane on the surface of this reflection groove and forms described the second reflective surface.
5. smooth reflection subassembly according to claim 4 is characterized in that, described matrix adopting heat resistant plastice is made, and described reflectance coating is aluminium film or silverskin.
6. smooth reflection subassembly according to claim 4 is characterized in that, is provided with shrinkage pool on the isolation part between adjacent two described the second reflective surfaces.
According to claim 1 in 6 any one described, it is characterized in that, be provided with the breach that connects described the first reflective surface and described the second reflective surface at the light inputting end of described smooth reflection subassembly.
8. the described smooth reflection subassembly of any one in 6 according to claim 1 is characterized in that described the first reflective surface and described the second reflective surface are separate.
9. LED lamp, comprise lamp holder, radiator, power module, led light source module and lampshade, the first end of described radiator is connected with described lamp holder, the second end is equipped with described led light source module and described lampshade, described led light source module comprises lamp plate and a plurality of LED lamp pearls that are arranged on this lamp plate, it is characterized in that, the second end at described radiator also is equipped with such as the described smooth reflection subassembly of any one in the claim 1 to 8, described LED lamp pearl is positioned on the described lamp plate and described the first reflective surface and the corresponding position of described the second reflective surface, and described lampshade covers described led light source module and described smooth reflection subassembly.
10. LED lamp according to claim 9 is characterized in that, described lampshade is spherical.
CN2012203823219U 2012-08-01 2012-08-01 Light reflection assembly and light-emitting diode (LED) lamp provided with the same Expired - Fee Related CN202791443U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104121497A (en) * 2013-04-26 2014-10-29 光明半导体（天津）有限公司 Lighting device
CN104180305A (en) * 2013-05-21 2014-12-03 海洋王（东莞）照明科技有限公司 Trimming structure and LED (light emitting diode) lamp adopting trimming structure
CN104654198A (en) * 2015-02-02 2015-05-27 深圳市朗恒电子有限公司 Reflection cup and lamp
CN105276396A (en) * 2014-07-05 2016-01-27 宁波宇润电器有限公司 Multi-bulb high condensation and transmittance safety lamp set
CN105987312A (en) * 2015-02-28 2016-10-05 艾道全 High-power LED offset type remote lighting efficient full-light combination reflector
CN107178715A (en) * 2017-06-26 2017-09-19 漳州立达信光电子科技有限公司 A kind of LED

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104121497A (en) * 2013-04-26 2014-10-29 光明半导体（天津）有限公司 Lighting device
CN104180305A (en) * 2013-05-21 2014-12-03 海洋王（东莞）照明科技有限公司 Trimming structure and LED (light emitting diode) lamp adopting trimming structure
CN105276396A (en) * 2014-07-05 2016-01-27 宁波宇润电器有限公司 Multi-bulb high condensation and transmittance safety lamp set
CN104654198A (en) * 2015-02-02 2015-05-27 深圳市朗恒电子有限公司 Reflection cup and lamp
CN104654198B (en) * 2015-02-02 2016-05-18 深圳市朗恒电子有限公司 Reflector and light fixture
CN105987312A (en) * 2015-02-28 2016-10-05 艾道全 High-power LED offset type remote lighting efficient full-light combination reflector
CN105987312B (en) * 2015-02-28 2017-12-19 孝感市瑞莱特汽车照明有限公司 A kind of efficiently complete combined reflected utensil of light of great power LED offset remote illumination
CN107178715A (en) * 2017-06-26 2017-09-19 漳州立达信光电子科技有限公司 A kind of LED

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