CN202769389U - All-dimensional light emitting diode (LED) bulb - Google Patents
All-dimensional light emitting diode (LED) bulb Download PDFInfo
- Publication number
- CN202769389U CN202769389U CN2012204847155U CN201220484715U CN202769389U CN 202769389 U CN202769389 U CN 202769389U CN 2012204847155 U CN2012204847155 U CN 2012204847155U CN 201220484715 U CN201220484715 U CN 201220484715U CN 202769389 U CN202769389 U CN 202769389U
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- rotary reflector
- led light
- radiating piece
- light source
- reflector
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Abstract
The utility model discloses an all-dimensional light emitting diode (LED) bulb which is characterized by comprising a rotation reflector, heat dissipation parts, LED light sources, a bulb shell and a driving circuit, wherein the rotation reflector is provided with a penetrating hole and a rotation reflective surface, the penetrating hole is thorough in the axial direction, and the rotation reflective surface is arranged on the outer side of the rotation reflector. The heat dissipation parts are placed at two ends of the rotation reflector and in heat conduction connection with the rotation reflector, the LED light sources are circumferentially distributed around one end of the rotation reflector and are arranged in rotary mode on the same heat dissipation part, and the symmetry axis of the LED light sources is the symmetry axis of the rotation reflector. The bulb shell is covered on the rotation reflective surface and the LED light sources, the driving circuit is connected with the LED light sources and controls the LED light sources and is arranged inside the penetrating hole of the rotation reflector, and each heat dissipation part is provided with a heat dissipation surface and has a heat conduction loop with the whole rotation reflector. According to the all-dimensional LED bulb, the size of the bulb shell and expansion of the reflective surface of the reflector can not restrict the placing space of a driving device, heat dissipation performance of the whole bulb is not weakened, and therefore the light distributing range of the whole bulb can be expanded, and large power output can be ensured simultaneously.
Description
Technical field
The utility model relates to a kind of LED bulb lamp principle of reflection, that have omnibearing luminous characteristics that uses.
Background technology
LED is widely used in lighting field at present.In the application of general illumination, it is accepted extensively most be exactly to conventional light source the replacement of light fixture use, particularly substitute the LED bulb lamp of traditional ball bubble shape light source, produced in a large number.
This class is used for substituting the ligthing paraphernalia of tradition (white heat) bulb lamp.Present most of LED bulb lamp lighting angle is smaller (being generally less than 180 degree) all.Yet in order to reach or near the lighting effect of conventional incandescent, the light that namely needs to accomplish polarizers of big angle scope distribute (lighting angle is greater than 280 degree).The characteristics of led light source are that volume is little, single face is luminous, beam angle is limited, so, if need to make whole light fixture that the bright dipping of wide-angle is arranged, then must carry out optical treatment to LED and just can be effective.At present, although there are some LED bulb lamps can accomplish that wide-angle light distributes, use the optical elements such as a large amount of reflectors, lens, installed larger diffusing globe cell-shell.Thereby compressed the required heat-dissipating space of most of LED, make LED bulb lamp (for example form of A60 ball bubble) when keeping alternative form, its power can't be promoted, because under the shape of bulb lamp, radiator is restricted and compressed, radiating efficiency is not enough, and high-power whole light temperature is high, and LED just can't work; In addition, part LED bulb lamp can accomplish that the photodistributed while of wide-angle can accomplish higher power again, but generally increased the process complexity (as LED vertically is attached on the radiating piece) of producing, perhaps increased Material Cost (as with the higher fluorescent material pc shell of price), even can affect its alternative form, the profile of LED bulb lamp is become more inharmonious, depart from more greatly the profile of conventional incandescent, destroyed substituting.
The utility model content
For existing large-angle LED light fixture, the large and/or too high problem of cost the utility model proposes a kind of Omnibearing LED bulb lamp especially for its power limited of large-angle LED light fixture that substitutes traditional bulb lamp, and its technical scheme is as follows:
A kind of Omnibearing LED bulb lamp, it comprises:
Rotary reflector has axially penetrating perforation, and this rotary reflector outside has the revolution reflective surface;
Radiating piece is positioned at the two ends of this rotary reflector and consists of with it heat conduction connection;
Led light source, an end that centers on this rotary reflector circumferentially distributes, and Rotational Symmetry is arranged on same this radiating piece, and its symmetry axis is the symmetry axis of this rotary reflector;
Cell-shell, revolution is covered in the side of this rotary reflector, covers this revolution reflective surface and led light source; And
Drive circuit connects and controls this led light source, places this perforation of this rotary reflector;
Wherein, this radiating piece all has the radiating surface that is exposed to free space, and has hot conductive loop with this rotary reflector integral body.
Preferred person as the technical program can have the embodiment of following mode:
In the preferred embodiment, this radiating piece is respectively a top heat dissipation spare and a lamp holder radiating piece; This top heat dissipation spare is with the end sealing of this rotary reflector; One standard lamp head and this lamp holder radiating piece fix the two mutually insulated; This lamp holder radiating piece is sealed the other end of this rotary reflector.
In the preferred embodiment, this top heat dissipation spare and lamp holder radiating piece are all with the symmetry axis Rotational Symmetry of this rotary reflector; And this top heat dissipation spare, this cell-shell and this lamp holder radiating piece consist of the continuous ball bubble shape of an outer wall.
In the preferred embodiment, this led light source is positioned on the same plane.
In the preferred embodiment, this led light source is positioned on this radiating piece totally; And the part that is communicated with this rotary reflector outside on another radiating piece on the other side has reflective flange; This reflective flange turns back the part light reflection of this led light source.
In the preferred embodiment, this cell-shell is for seeing through scattering from the high transmission diffusive material of led light source light.
In the preferred embodiment, the length of this cell-shell on this rotary reflector is axial accounts for more than 30% of whole lamp length.
The beneficial effect that the technical program is brought has:
1. rotary reflector is as a core component, and the structure that led light source is periphery and the high transmission of large-size diffusion cell-shell have been realized omnibearing luminous expediently; On the other hand, the rotary reflector of tape punching becomes the complex of heat conduction, reflective and accommodating three kinds of functions, this programme makes the expansion of bulb dimensions and reflector reflective surface no longer restrict the placement space of driving, do not weaken the heat-sinking capability of whole lamp yet, thereby so that the light distribution of whole lamp can enlarge, can guarantee again to accomplish larger power stage simultaneously.
2. the led light source that is periphery of rotary reflector, radiating piece and level has simple assembly technology and less Material Cost, particularly led light source horizontal positioned, and technique is simpler, extremely is conducive to large-scale production.
3. the part that is communicated with this rotary reflector outside on the radiating piece of top has reflective flange; This reflective flange turns back the part light reflection of this led light source, can improve led light source at the component of lamp holder direction, can be used as one and adjusts annex, improves omnibearing luminous beam angle feature.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing embodiment:
Fig. 1 is the profile of the utility model embodiment one;
Fig. 2 is the stereogram of part parts embodiment illustrated in fig. 1;
Fig. 3 is the schematic diagram of one drive circuit 70 the first mounting means embodiment illustrated in fig. 1;
Fig. 4 is the schematic diagram of one drive circuit 70 the second mounting means embodiment illustrated in fig. 1;
Fig. 5 is the profile of the utility model embodiment two.
The specific embodiment
Embodiment one:
As depicted in figs. 1 and 2, a schematic diagram that embodiment is correlated with of the present utility model.
A kind of Omnibearing LED bulb lamp, it comprises a rotary reflector 10 cylindraceous, this rotary reflector 10 has axially penetrating perforation 12, and, have revolution reflective surface 11 in the outside of rotary reflector 10.
There is respectively radiating piece at two ends at rotary reflector 10, respectively top radiating piece 20 and lamp holder radiating piece 30, this two radiating piece consists of the heat conduction with the rotary reflector connection and is connected, to such an extent as to all heats on the rotary reflector 10 can conduct to top radiating piece 10 and lamp holder radiating piece 30 fast via heat conducting mode.
On lamp holder radiating piece 30, in conjunction with Fig. 2 as can be known, to have fixed led light source 50 on the light source installed surface 31 of lamp holder radiating piece 30, as seen led light source 50 is the circumferentially evenly distributions of an end around rotary reflector 10, and Rotational Symmetry is arranged on lamp holder radiating piece 30, and its symmetry axis is the symmetry axis of rotary reflector 10.Side at rotary reflector 10 also has cell-shell 60, and these cell-shell 60 revolutions are covered in the side of this rotary reflector 10, have covered revolution reflective surface 11 and led light source 50.As seen, from the light output of led light source 50, some direct outgoing is to free space, some reflexes to free space through revolution reflective surface 11, with respect to the beam angle of led light source 50 self, its light emitting region is expanded greatly, thereby reaches omnibearing luminous effect.
In addition, also has drive circuit 70 in the perforation 12 of this rotary reflector 10 of the present embodiment, the drive circuit connection has also been controlled this led light source 50, and has heat conduction via between the rotary reflector 10, the method that this heat conduction via forms is a lot, can be fixed on the rotary reflector 10 by plastic components such as drive circuit among Fig. 3, also can pass through heat conducting medium, such as Fig. 4 middle punch 12 interior parts/all fill heat conduction colloid 80, making can be timely and effectively from rotary reflector 10 whole derivation from the heat of drive circuit.
Radiating piece comprises top radiating piece 20 and lamp holder radiating piece 30, all has the radiating surface that is exposed to free space, is respectively upper radiating surface 22 and lower radiating surface 32, and these radiating surfaces and rotary reflector 10 integral body have hot conductive loop.So, whole light fixture, what its heat conduction via was interconnected is: led light source 50, drive circuit 70, rotary reflector 10, top radiating piece 20 and end radiating piece 30.
As seen, the comprehensive light distribution LED bulb lamp that the utility model discloses at first uses rotary reflector 10 as a core component, and the light output part that led light source sends directly diffuses out through cell-shell 60 and is mapped to free space; Another part is via its side adjustment reflection of rotary reflector 10, diffuses out via cell-shell 60 and is mapped to free space, and the structure that is periphery in the horizontal of led light source 50 has always realized the luminous effect to space omnidirectional at last in addition; On the other hand, the rotary reflector 10 of tape punching 12 becomes the complex of heat conduction, reflective and accommodating three kinds of functions, rotary reflector 10 as main conducting-heat elements, the volume that makes drive circuit 70 no longer restricts mutually with the reflective surface 11 of rotary reflector 10, thereby greatly promoted the utilization ratio of limited light fixture volume, made limited light fixture volume can use more powerful drive circuit 70 and led light source 50; Last aspect, rotary reflector 10, radiating piece and the led light source that is periphery have simple assembly technology and less Material Cost, extremely are conducive to large-scale production.
In the present embodiment, top heat dissipation spare 20 is with the end sealing of this rotary reflector 10; An affixed standard lamp head 40 on this lamp holder radiating piece 30, and the other end of this rotary reflector 10 sealed, the form of this sealing is protected for light fixture on the one hand and mechanical strength provides good guarantee, can make its heat conductivility obtain simply and effectively processing by techniques such as encapsulatings on the other hand.And the processing structure of rotary reflector 10 and radiating piece is very simple, and its processing cost is low.
The present embodiment top heat dissipation spare 20 and lamp holder radiating piece 30 are all with the symmetry axis Rotational Symmetry of this rotary reflector 10; And this top heat dissipation spare 20, this cell-shell 60 and this lamp holder radiating piece 30 consist of the continuous ball bubble shape of an outer wall, and this form has just substituted traditional incandescent lamp at geometric properties and illumination effect, have realized good substituting.
In the present embodiment, the part in these rotary reflector 10 outsides of connection has reflective flange 21 on the top radiating piece 20; This reflective flange turns back the part light reflection of this led light source 50, and this is an optics regulator site, can improve led light source 50 at the component of lamp holder direction (1 down among the figure), can be used as one and adjusts annex, improves omnibearing luminous beam angle feature.
Embodiment two:
As shown in Figure 5, the profile of the utility model embodiment two.
In the present embodiment, led light source 50 is positioned on the same plane.So its processing cost is optimized, all plane heat-conducting substrates all can directly be processed use, and do not need the object of the extra cost such as special-shaped mould.Simultaneously, in the present embodiment, rotary reflector 10 is different with embodiment one, it or not straight barrel type, but have the revolution build that straightens the footpath, and so can realize turning round 11 pairs of led light sources 50 of reflective surface and have better secondary optics processing, omnibearing luminous effect is improved.
The present embodiment one and embodiment two as seen, cell-shell 60 can be set to scattering from the high diffusibility material of led light source 50 light, the diffuser plate such as with diffusion particulate astigmatism agent etc. can make the illumination effect of whole lamp be optimized, light is better comfortable.And, the present embodiment one and embodiment two can find out, because the cause of rotary reflector 10 its usable reflection scopes, cell-shell 60 can occupy very large ratio in rotary reflector 10 length on axially, surpass more than 50%, avoided too much non-luminous position such as the occupied enclosure volume of driver, made the light-emitting area maximization of whole lamp, its illumination effect is optimum.
The above, it only is the utility model preferred embodiment, therefore can not limit according to this scope that the utility model is implemented, the equivalence of namely doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (7)
1. Omnibearing LED bulb lamp is characterized in that: comprising:
Rotary reflector has axially penetrating perforation, and this rotary reflector outside has the revolution reflective surface;
Radiating piece is positioned at the two ends of this rotary reflector and consists of with it heat conduction connection;
Led light source, an end that centers on this rotary reflector circumferentially distributes, and rotation is arranged on same this radiating piece, and its symmetry axis is the symmetry axis of this rotary reflector;
Cell-shell, revolution is covered in the side of this rotary reflector, covers this revolution reflective surface and led light source; And
Drive circuit connects and controls this led light source, places this perforation of this rotary reflector;
Wherein, this radiating piece all has the radiating surface that is exposed to free space, and has hot conductive loop with this rotary reflector integral body.
2. described a kind of Omnibearing LED bulb lamp according to claim 1, it is characterized in that: this radiating piece is respectively a top heat dissipation spare and a lamp holder radiating piece; This top heat dissipation spare is with the end sealing of this rotary reflector; One standard lamp head and this lamp holder radiating piece fix the two mutually insulated; This lamp holder radiating piece is sealed the other end of this rotary reflector.
3. described a kind of Omnibearing LED bulb lamp according to claim 2 is characterized in that: this top heat dissipation spare and lamp holder radiating piece are all with the symmetry axis Rotational Symmetry of this rotary reflector; And this top heat dissipation spare, this cell-shell and this lamp holder radiating piece consist of the continuous ball bubble shape of an outer wall.
4. described a kind of Omnibearing LED bulb lamp according to claim 1, it is characterized in that: this led light source is positioned on the same plane.
5. each described a kind of Omnibearing LED bulb lamp in 4 according to claim 1, it is characterized in that: this led light source is positioned on this radiating piece totally; And the part that is communicated with this rotary reflector outside on another radiating piece on the other side has reflective flange; This reflective flange turns back the part light reflection of this led light source.
6. described a kind of Omnibearing LED bulb lamp according to claim 5, it is characterized in that: this cell-shell is for seeing through scattering from the high transmission diffusive material of led light source light.
7. described a kind of Omnibearing LED bulb lamp according to claim 5 is characterized in that: this cell-shell accounts for more than 30% of whole lamp length in the length of this rotary reflector on axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204847155U CN202769389U (en) | 2012-09-20 | 2012-09-20 | All-dimensional light emitting diode (LED) bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204847155U CN202769389U (en) | 2012-09-20 | 2012-09-20 | All-dimensional light emitting diode (LED) bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202769389U true CN202769389U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204847155U Withdrawn - After Issue CN202769389U (en) | 2012-09-20 | 2012-09-20 | All-dimensional light emitting diode (LED) bulb |
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| Country | Link |
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| CN (1) | CN202769389U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900976A (en) * | 2012-09-20 | 2013-01-30 | 厦门佰明光电有限公司 | Reflecting all-around light distribution LED (light-emitting diode) bulb lamp |
| CN103912811A (en) * | 2014-04-03 | 2014-07-09 | 生迪光电科技股份有限公司 | Large-angle LED (light emitting diode) lamp |
| CN104214537A (en) * | 2013-05-29 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | LED lamp |
| WO2014201598A1 (en) * | 2013-06-17 | 2014-12-24 | 欧普照明股份有限公司 | Led lamp |
-
2012
- 2012-09-20 CN CN2012204847155U patent/CN202769389U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900976A (en) * | 2012-09-20 | 2013-01-30 | 厦门佰明光电有限公司 | Reflecting all-around light distribution LED (light-emitting diode) bulb lamp |
| CN102900976B (en) * | 2012-09-20 | 2015-02-04 | 厦门佰明光电有限公司 | Reflecting all-around light distribution LED (light-emitting diode) bulb lamp |
| CN104214537A (en) * | 2013-05-29 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | LED lamp |
| WO2014201598A1 (en) * | 2013-06-17 | 2014-12-24 | 欧普照明股份有限公司 | Led lamp |
| CN103912811A (en) * | 2014-04-03 | 2014-07-09 | 生迪光电科技股份有限公司 | Large-angle LED (light emitting diode) lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20150204 |
|
| RGAV | Abandon patent right to avoid regrant |