CN103256490A - Light-emitting device - Google Patents
Light-emitting device Download PDFInfo
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- CN103256490A CN103256490A CN2012100416925A CN201210041692A CN103256490A CN 103256490 A CN103256490 A CN 103256490A CN 2012100416925 A CN2012100416925 A CN 2012100416925A CN 201210041692 A CN201210041692 A CN 201210041692A CN 103256490 A CN103256490 A CN 103256490A
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- light
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- light source
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a light-emitting device which comprises a fixed ring, a light source module and a base. The fixed ring comprises a bearing portion and a first lateral wall, and the bearing portion is provided with a first surface and a second surface, wherein the first surface and the second surface are located on the opposite sides. The first lateral wall is roughly perpendicular to the second surface, so that a first accommodating cavity is formed between the first lateral wall and the bearing portion. A first thread and a radiating fin are formed on the first lateral wall, the first thread is located on the inner surface of the first lateral wall and protrudes towards the first accommodating cavity, and the radiating fin is located on the outer surface of the first lateral wall. The light source module is located on the first surface, the base comprises a fixed portion and a second lateral wall, the second lateral wall is roughly perpendicular to the fixed portion so as to enable a second accommodating cavity to be formed between the second lateral wall and the fixed portion, and a second thread formed on the second lateral wall is screwed in the first thread so as to enable a part of the base to be located in the first accommodating cavity.
Description
Technical field
The present invention is relevant a kind of light-emitting device, particularly about a kind of light-emitting device of lamp applications.
Background technology
In daily life, lighting apparatus all is indispensable important tool all the time, existing lighting apparatus mostly all with bulb or fluorescent tube as main light emitting source.In these fluorescent tubes or bulb, comparatively common person has fluorescent tube, incandescent lamp bulb, halogen lamp tube or based on halogen bulb, need consume a large amount of electric energy when luminous.
(Light-Emitting Diode LED) is a kind of semiconductor element to light emitting diode.Early stage LED is applied to the indicator lamp of electronic installation or the light-emitting component of display board mostly, but is widely used in the lighting apparatus in recent years.When light fixture utilizes LED as light source, with the tradition bulb be that the light fixture of light source is compared, the LED light fixture not only have the life-span long, power consumption is low, volume is little, advantage such as shatter-proof and of many uses, and be difficult for as conventional bulb as fragmentation easily, safer for the user.Yet, LED can produce high temperature in use for some time, because heat can constantly accumulate on the electronic component arround the LED, therefore under throwing light on for a long time, easily cause LED to produce the problem of deterioration and optical attenuation, cause luminous efficient to reduce, and temperature also can cause electronic component (for example driving the circuit board of light emitting diode) to damage when too high.
Tradition LED pendant light fixture comprise usually electric light, lampshade, lampshade ring (socket ring), lamp socket, with heat radiation block (for example radiating fin).Light source is positioned on the lamp socket, and lampshade is fixed on the lamp socket by the lampshade ring.The hot type that heat radiation block contact lamp socket produces electric light goes out.For traditional LED pendant light fixture, though can utilize heat radiation block heat extraction, the heat radiation block be one independently metal blocks therefore easily take up space, and the function that the lampshade ring only has a fastening lampshades is not inconsistent cost benefit yet.Because the component kind of traditional LED pendant light fixture is many, not only easily increase the time of assembling and the waste of material, also can influence traditional pendant light fixture outward appearance for the flexibility of design.
Summary of the invention
A purpose of the present invention is for providing a kind of light-emitting device.
According to an embodiment of the present invention, a kind of light-emitting device comprises retainer ring, light source module and base.Retainer ring comprises supporting part and the first side wall.Supporting part has first surface and second surface.The first side wall is approximately perpendicular on the second surface, makes to be formed with the first ccontaining cavity between the first side wall and the supporting part.The first side wall is formed with first screw thread and fin, and first screw thread is positioned on the inner surface of the first side wall and towards the first ccontaining cavity and protrudes, and fin is positioned on the outer surface of the first side wall.Light source module is positioned on the first surface.Base comprises fixed part and second sidewall.Second sidewall is approximately perpendicular on the fixed part, makes to be formed with the second ccontaining cavity between second sidewall and the fixed part.Second sidewall is formed with second screw thread and is screwed together in first screw thread, makes the part base be arranged in the first ccontaining cavity.
In an embodiment of the present invention, wherein above-mentioned light source module comprises light source and diffuser.Light source is arranged on the first surface.Diffuser covers light source and is fixed on the first surface, and the light that light source is sent is sent by diffuser.
In an embodiment of the present invention, wherein above-mentioned light source comprises light emitting diode.
In an embodiment of the present invention, wherein above-mentioned diffuser comprises optical lens or lampshade and combination thereof.
In an embodiment of the present invention, wherein above-mentioned light-emitting device more comprises the first electric wire group and the second electric wire group.The first electric wire group is arranged in the first ccontaining cavity and electrically connects light source.The second electric wire group is arranged in the second ccontaining cavity and electrically connects the first electric wire group.
In an embodiment of the present invention, wherein above-mentioned first surface is formed with 2 first perforation, and the first electric wire group comprises 2 first electric wires and first joint.2 first electric wires pass 2 first perforation respectively and are connected with the both positive and negative polarity of light source.First fitting sleeve is located on 2 first electric wires.
In an embodiment of the present invention, wherein said fixing portion is formed with 2 second perforation, and the second electric wire group comprises 2 second electric wires and second joint.2 second electric wires pass 2 second perforation respectively, and electrically connect with an electric supply installation.Second fitting sleeve is located on 2 second electric wires and is coupled in first joint.
In an embodiment of the present invention, wherein the quantity of above-mentioned fin is a plurality of, and roughly is and is arranged in parallel.
In an embodiment of the present invention, wherein the section of above-mentioned the first side wall and second sidewall is circular, and the internal diameter of the first side wall is greater than the external diameter of second sidewall.
In an embodiment of the present invention, wherein the material of said fixing ring comprises iron or aluminium or heat radiation plastic cement or pottery.
In an embodiment of the present invention, wherein above-mentioned first screw thread and second screw thread are respectively compatible internal and external threads, and retainer ring is screwed together on the base.
In the above-mentioned embodiment of the present invention, because retainer ring can be screwed together in second screw thread of base by first screw thread, so retainer ring can be combined with base.In addition, the first side wall of retainer ring has fin, therefore be positioned at heat that the light source module of the supporting part of retainer ring produces can be directly by the fin discharge of the first side wall.Moreover diffuser covers light source and is fixed on the first surface of supporting part, and the light that light source is sent can be sent by diffuser.That is to say that the retainer ring of this light-emitting device not only has carrying diffuser, light source and the fixing function of decorative lampshade, also has the function of joint base.The more important thing is that this retainer ring can go out the hot type that light source module produces by fin.Compare with traditional LED pendant light fixture, this light-emitting device can replace traditional pendant light fixture independently dispel the heat separately block and lampshade ring (socket ring) by retainer ring, the number of elements that light-emitting device 100 is formed is less, can reduce the time of assembling and the cost of material.In addition, for the light fixture of using this light-emitting device, the appearance design of light fixture has preferable flexibility.
Description of drawings
Fig. 1 illustrates the stereogram of light-emitting device according to an embodiment of the present invention;
Fig. 2 illustrates the explosive view of the light-emitting device of Fig. 1;
Fig. 3 A illustrates the schematic diagram of diffuser one embodiment of Fig. 2;
Fig. 3 B illustrates the schematic diagram of another embodiment of diffuser of Fig. 2;
Fig. 3 C illustrates the schematic diagram of the another embodiment of diffuser of Fig. 2;
Fig. 4 illustrates the stereogram after the combination of retainer ring, light source module and the first electric wire group of Fig. 2;
Fig. 5 illustrates the side view after the combination of retainer ring, light source module and the first electric wire group of Fig. 2;
Fig. 6 illustrates the stereogram of base after the second electric wire group is combined of Fig. 2;
Fig. 7 illustrates the following view of base after the second electric wire group is combined of Fig. 2;
The light-emitting device that Fig. 8 illustrates Fig. 1 is applied to the schematic diagram of a light fixture.
[main element symbol description]
100: light-emitting device 110: retainer ring
111: first surface 112: supporting part
113: second surface 114: the first side wall
116: the first screw threads of 115: the first ccontaining cavitys
120: light source module 122: light source
124: diffuser 130: base
132: 133: the second ccontaining cavitys of fixed part
The perforation in 135: the second of 134: the second sidewalls
140: the first electric wire groups of 136: the second screw threads
144: the first joints of 142: the first electric wires
152: the second electric wires of 150: the second electric wire groups
210: transformer 220: decorative lampshade
D1: inner diameter D 2: external diameter
The specific embodiment
Below will be with graphic exposure a plurality of embodiments of the present invention, as clearly stated, the details on many practices will be explained in the following description.Yet, should be appreciated that the details on these practices does not use to limit the present invention.That is to say that in part embodiment of the present invention, the details on these practices is inessential.In addition, for the purpose of simplifying accompanying drawing, some known habitual structures and element will illustrate in the mode of simple signal in the accompanying drawings.
In this article, will be understood that so-called " roughly " refers to the error made.
Fig. 1 illustrates the stereogram of light-emitting device 100 according to an embodiment of the present invention.Fig. 2 illustrates the explosive view of the light-emitting device 100 of Fig. 1.Consult Fig. 1 and Fig. 2 simultaneously, light-emitting device 100 comprises retainer ring 110, light source module 120 and base 130.Retainer ring 110 comprises supporting part 112 and the first side wall 114.Supporting part 112 has first surface 111 and second surface 113, and first surface 111 is positioned at opposite side with second surface 113.The first side wall 114 is approximately perpendicular on the second surface 113, and is formed with the first ccontaining cavity 115 between the first side wall 114 and the supporting part 112.Base 130 comprises fixed part 132 and second sidewall 134.Second sidewall 134 and is formed with the second ccontaining cavity 133 between second sidewall 134 and the fixed part 132 on fixed part 132.
In addition, light-emitting device 100 also can comprise the first electric wire group 140 and the second electric wire group 150.Wherein, the first electric wire group 140 is arranged in the first ccontaining cavity 115 and electrically connects light source 122, the second electric wire groups 150 and is arranged in the second ccontaining cavity 133 and electrically connects the first electric wire group 140.More particularly, the first surface 111 of supporting part 112 is formed with 2 first perforation 117, and the first electric wire group 140 comprises 2 first electric wires 142 and first joint 144.First electric wire 142 can pass first perforation 117 and be connected with the both positive and negative polarity of light source 122, and first joint 144 is sheathed on 2 first electric wires 142, and 142 merging of 2 first electric wires are entered in first joint 144.Moreover the second electric wire group 150 comprises 2 second electric wires 152 and second joint, 154, the second joints 154 and is sheathed on 2 second electric wires 152 and is coupled in first joint 144,2 second electric wires 152 is merged enter in second joint 154.
In the present embodiment, light source 122 can be light emitting diode, and diffuser 124 can be optical lens (as shown in Figure 3A) or transparent lamp shade (shown in Fig. 3 B) or its combination (shown in Fig. 3 C).But the material of retainer ring 110 can comprise iron, aluminium or other heat conductive metal or heat conduction plastic cement or pottery, but and the material of base 130 can comprise iron, aluminium or other heat conductive metal or pottery or heat conduction plastic cement.That is to say that retainer ring 110 can be identical with the material of base 130.
Fig. 4 illustrates the stereogram after the combination of retainer ring 110, light source module 120 and the first electric wire group 140 of Fig. 2.Fig. 5 illustrates the side view after the combination of retainer ring 110, light source module 120 and the first electric wire group 140 of Fig. 2.In the following description, the inner surface of the first side wall 114 refers to the surface in the face of the first ccontaining cavity 115, and the outer surface of the first side wall 114 refers to back to the surface of the first ccontaining cavity 115.Consult Fig. 4 and Fig. 5 simultaneously, the first side wall 114 of retainer ring 110 is formed with first screw thread 116 and fin 118, and first screw thread 116 is positioned on the inner surface of the first side wall 114 and towards the first ccontaining cavity 115 and protrudes.Fin 118 is positioned on the outer surface of the first side wall 114.In the present embodiment, the quantity of fin 118 is a plurality of, and roughly is and is arranged in parallel.
Fig. 6 illustrates the base 130 of Fig. 2 and the stereogram after 150 combinations of the second electric wire group.Consult Fig. 4 and Fig. 6 simultaneously, the first side wall 114 of retainer ring 110 can be circle with the section of second sidewall 134 of base 130, and the inner diameter D 1 of the first side wall 114 is greater than the D outer diameter 2 of second sidewall 134.In addition, second sidewall 134 is formed with second screw thread 136, and second screw thread 136 can be screwed together in first screw thread 116.That is to say that first screw thread 116 and second screw thread 136 are respectively compatible internal and external threads.Thus, when first screw thread 116 of second screw thread 136 of base 130 and retainer ring 110 screwed togather, part base 130 can be arranged in the first ccontaining cavity 115.
When assembling, first joint 144 can be screwed together in second joint 154 earlier, then first screw thread 116 of retainer ring 110 and second screw thread 136 of base 130 is screwed togather again.When the light source module 120 that is positioned at supporting part 112 was worked, because the first side wall 114 of retainer ring 110 has fin 118, so the heat that light source module 120 produces can directly be discharged by the fin 118 of the first side wall 114.
Should be appreciated that the element annexation of having narrated in the above-described embodiment and material will no longer repeat to give unnecessary details.In the following description, the connected mode when light-emitting device 100 is applied to light fixture only is described, close chat earlier bright.
Fig. 7 illustrates the base 130 of Fig. 2 and the following view after 150 combinations of the second electric wire group.The light-emitting device 100 that Fig. 8 illustrates Fig. 1 is applied to the schematic diagram of a light fixture 200.Join Fig. 7 and Fig. 8 simultaneously, fixed part 132 is formed with 2 second perforation 135, make 2 second electric wires 152 can pass 2 second perforation 135 respectively and with the electric supply installation of light fixture 200, electrically connect as transformer 210.Fixed part 132 can be fixed on the light fixture 200 with the mode of gummed or locking, and decorative lampshade 220 can be fixed on the base 130 that is exposed to retainer ring 110 with the mode of gummed, engaging or locking.When the electric supply installation of light fixture 200, during as transformer 210 power supplies, just light source module 120 can be luminous, and light source module 120 produces hot can directly the discharge by fin 118 (see figure 5)s of retainer ring 110.For the light fixture 200 of using this light-emitting device 100, the appearance design of light fixture 200 has preferable flexibility.
The retainer ring 110 of this light-emitting device 100 not only can carry diffuser 124 and light source 122, also fixedly decorative lampshade 220 and joint base 130.In addition, the heat of light source 122 generations can be discharged by fin 118 (see figure 4)s of retainer ring 110.That is to say, this light-emitting device 100 can replace traditional LED pendant light fixture independently dispel the heat separately block and lampshade ring (socket ring) by retainer ring 110, the number of elements that light-emitting device 100 is formed is less, can reduce the time of assembling and the cost of material.
The above-mentioned embodiment of the present invention and prior art are compared, and have the following advantages:
(1) retainer ring can be screwed together in second screw thread of base by first screw thread, so retainer ring can be combined with base.In addition, diffuser covers light source and is fixed on the first surface of supporting part, and the light that light source is sent can be sent by diffuser.
(2) the first side wall tool of retainer ring is formed with fin, therefore be positioned at heat that the light source module of the supporting part of retainer ring produces can be directly by the fin discharge of the first side wall.
(3) retainer ring can replace traditional pendant light fixture independently dispel the heat separately block and lampshade ring (socket ring), and the number of elements that light-emitting device is formed is less, can reduce the time of assembling and the cost of material.For the light fixture of using this light-emitting device, the appearance design of light fixture has preferable flexibility.
Though the present invention discloses as above with embodiment; so it is not in order to limit the present invention; anyly be familiar with this skill person; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the scope that appending claims defines.
Claims (10)
1. a light-emitting device is characterized in that, comprises:
One retainer ring comprises:
One supporting part has a first surface and a second surface, and this first surface and this second surface are positioned at opposition side; And
One the first side wall, be approximately perpendicular on this second surface, make and be formed with one first ccontaining cavity between this first side wall and this supporting part, wherein this first side wall is formed with one first screw thread and at least one fin, and this first screw thread is positioned on the inner surface of this first side wall and towards this first ccontaining cavity and protrudes, and this fin is positioned on the outer surface of this first side wall;
One light source module is positioned on this first surface; And
One base comprises:
One fixed part; And
One second sidewall stands on this fixed part, is formed with one second ccontaining cavity between this second sidewall and this fixed part, and this second sidewall has one second screw thread and be screwed together in this first screw thread, makes this base of part be arranged in this first ccontaining cavity.
2. light-emitting device according to claim 1 is characterized in that, this light source module comprises:
One light source is arranged on this first surface; And
One diffuser covers this light source and is fixed on this first surface, and the light that this light source is sent is sent by this diffuser.
3. light-emitting device according to claim 2 is characterized in that, this light source comprises light emitting diode.
4. light-emitting device according to claim 2 is characterized in that, this diffuser comprises optical lens or transparent lamp shade or its combination.
5. light-emitting device according to claim 2 is characterized in that, also comprises:
One first electric wire group is arranged in this first ccontaining cavity and electrically connects this light source; And
One second electric wire group is arranged in this second ccontaining cavity and electrically connects this first electric wire group.
6. light-emitting device according to claim 5 is characterized in that, this first surface is formed with 2 first perforation, and this first electric wire group comprises:
2 first electric wires pass this 2 first perforation respectively and are connected with the both positive and negative polarity of this light source;
One first joint is sheathed on this 2 first electric wire.
7. light-emitting device according to claim 5 is characterized in that, this fixed part is formed with 2 second perforation, and this second electric wire group comprises:
2 second electric wires pass this 2 second perforation respectively, and electrically connect with an electric supply installation;
One second joint is sheathed on this 2 second electric wire and is coupled in this first joint.
8. light-emitting device according to claim 1 is characterized in that, the quantity of this fin is a plurality of, and roughly is and is arranged in parallel.
9. light-emitting device according to claim 1 is characterized in that, the section of this first side wall and this second sidewall is circular, and the internal diameter of this first side wall is greater than the external diameter of this second sidewall.
10. light-emitting device according to claim 1 is characterized in that, this first screw thread and this second screw thread are respectively compatible internal and external threads, and this retainer ring is screwed together on this base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100416925A CN103256490A (en) | 2012-02-20 | 2012-02-20 | Light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100416925A CN103256490A (en) | 2012-02-20 | 2012-02-20 | Light-emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103256490A true CN103256490A (en) | 2013-08-21 |
Family
ID=48960600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100416925A Pending CN103256490A (en) | 2012-02-20 | 2012-02-20 | Light-emitting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103256490A (en) |
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Application publication date: 20130821 |