CN103759155A - LED lamp with double layers of bulb shells - Google Patents
LED lamp with double layers of bulb shells Download PDFInfo
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- CN103759155A CN103759155A CN201410032322.4A CN201410032322A CN103759155A CN 103759155 A CN103759155 A CN 103759155A CN 201410032322 A CN201410032322 A CN 201410032322A CN 103759155 A CN103759155 A CN 103759155A
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Abstract
The invention discloses an LED lamp with double layers of bulb shells. The LED lamp comprises a lamp body, wherein one end of the lamp body is provided with a lamp head, the other end of the lamp body is provided with the small bulb shell and the large bulb shell, the small bulb shell is covered with the large bulb shell, an electric appliance component is installed in an internal space of the lamp body, the bottom face of the small bulb shell is provided with an LED chip, and the bottom face of the small bulb shell is a certain distance higher than the bottom face of the large bulb shell. Due to the structure, light rays of the LED chip are gradually diffused through the two layers of the bulb shells, and the light-emitting angle of the whole lamp can be widened. Besides, judging from the appearance, the size of the lamp body cannot be reduced, and the radiating effect cannot be influenced.
Description
Technical field
The present invention relates to a kind of LED lamp, espespecially a kind of LED lamp with double-deck cell-shell.
Background technology
Traditional incandescent lamp lighting angle is larger, but relative LED lamp, energy consumption is short high service life, and the LED bubble lamp that the market of present European and American areas is sought after wide-angle substitutes traditional incandescent lamp.
But the light emitting anger of LED chip generally only has 120 degree left and right, reach larger lighting angle, can dispersing of scioptics allow angle become large, but the light that scioptics send be generally inhomogeneous, visually has obvious light and shade light.
Also having a kind of method is to spread angle by a milky white cell-shell.As shown in Figure 1, be existing common LED modulated structure, the LED chip 1' of this LED lamp is placed near the bottom of cell-shell 2', and cell-shell 2' is arranged on the lamp body 3' for dispelling the heat, and is also provided with lamp holder 4' on lamp body 3'.By the diffusion of cell-shell 2', can make the light emitting anger of 120 degree originally be diffused into 170 degree left and right.But the light emitting anger of 170 degree still can not meet the requirement of European and American areas to lighting angle.
As can be seen from Figure 1, the cell-shell 2' of LED lamp is a spherical crown that is greater than hemisphere, and this structure that is greater than hemisphere, can play to light the effect of diffusion just.Therefore theoretically,, as long as increase the height of spherical crown, just can reach the object of further diffusion light emitting anger.Yet, the spherical cap structure of cell-shell is owing to being greater than hemisphere, when the height of spherical crown increases, the area of a circle of its bottom will reduce, thereby cause the volume of the lamp body 3' in order to dispel the heat also to reduce, to reduce for holding the space of inner electric elements on the one hand, main aspect is to reduce area of dissipation, is unfavorable for the heat radiation of LED chip.Although can keep the size of original lamp body constant, that is to say that the size of the circle that makes spherical crown bottom remains unchanged, must increase like this radius of ball, whole cell-shell is strengthened, can not meet the requirement of homotype signal lamp type calibrated altitude.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of can increase the LED lamp with double-deck cell-shell that lighting angle can guarantee again heat radiation and appearance requirement.
For solving the problems of the technologies described above, technical solution of the present invention is:
A LED lamp with double-deck cell-shell, comprises lamp body, and one end of this lamp body is provided with lamp holder, the large cell-shell that the other end is provided with little cell-shell and covers on this vesicle shell outside, and the inner space of this lamp body is provided with electric elements; Place, bottom surface at this little cell-shell is provided with LED chip, and the bottom surface of little cell-shell is higher than the bottom surface certain distance of large cell-shell.
Described vesicle shell inside is provided with a reflector, the reflective surface of this reflector is that cross section is arc and to the horn mouth shape extending out, the dead in line of the axis of this reflective surface and LED lamp, and LED chip is uniformly distributed on the circumference in the reflective scope of bell mouth shape reflective surface.
Described lamp body is positioned at the vacancy section that one end Formation cross-section of cell-shell is V-arrangement, and the outer wall in Gai Lourong district is in order to install described large cell-shell, and inwall is in order to install described little cell-shell.
The lateral wall of described lamp body is provided with and can makes described vacancy section and the extraneous some through holes that communicate.
The inside of described lamp body 1 sidewall is embedded the metal insert that a cross section is Y shape, and lamp body originally becomes as plastics, and the V-arrangement region of this Y shape metal insert top forms described V-arrangement vacancy section.
Described lamp body is provided with and can makes described vacancy section and the extraneous some through holes that communicate with the lateral wall of Y shape metal insert.
Adopt after such scheme, because the present invention is provided with double-deck cell-shell, and the bottom surface of inner little cell-shell exceeds certain distance than the bottom surface of outside large cell-shell, and the light of LED chip passes through the successively diffusion of two-layer cell-shell like this, can expand the lighting angle of whole lamp.And from the appearance, can't reduce the volume of lamp body, can not affect radiating effect yet.
In addition, the present invention also has following enhancement effect:
1. can in little cell-shell, increase again a reflector, the reflective surface of this reflector can the regional reflex to the close bottom of little cell-shell by the light of LED chip, thereby allow light that little cell-shell sends as often as possible be irradiated to the bottom section of large cell-shell, allow the lighting angle of whole lamp become large.
2. the one end that can make lamp body be positioned at cell-shell forms a ring-type vacancy section that cross section is V-arrangement, the interior lateral wall of this vacancy section can be used for installing two cell-shells, and vacancy section itself can be used as the space of heat radiation, therefore can be because of affect the radiating effect of chip in order to hold the reducing of inner space of electric elements.
Accompanying drawing explanation
Fig. 1 is the cutaway view of existing LED lamp;
Fig. 2 is the cutaway view of first embodiment of the invention;
Fig. 3 is the outside drawing of first embodiment of the invention;
Fig. 4 is the cutaway view of second embodiment of the invention;
Fig. 5 is the outside drawing of second embodiment of the invention;
Fig. 6 is that LED lamp is at C0-C180 state time distribution tests figure;
Fig. 7 is that LED lamp is at C90-C270 state time distribution tests figure;
Fig. 8 is existing LED lamp measured light distribution schematic diagram when C0-C180 state;
Fig. 9 is existing LED lamp measured light distribution schematic diagram when C90-C270 state; .
Figure 10 is the interior cell-shell of LED lamp of the present invention measured light distribution schematic diagram when C0-C180 state;
Figure 11 is the interior cell-shell of LED lamp of the present invention measured light distribution schematic diagram when C90-C270 state;
Figure 12 is the outside bulb shell of LED lamp of the present invention measured light distribution schematic diagram when C0-C180 state;
Figure 13 is the outside bulb shell of LED lamp of the present invention measured light distribution schematic diagram when C90-C270 state;
When Figure 14 is the two cell-shell of LED lamp of the present invention when C0-C180 state measured light distribution schematic diagram;
When Figure 15 is the two cell-shell of LED lamp of the present invention when C90-C270 state measured light distribution schematic diagram;
When Figure 16 is the two cell-shell+reflector of LED lamp of the present invention when C0-C180 state measured light distribution schematic diagram;
When Figure 17 is the two cell-shell+reflector of LED lamp of the present invention when C90-C270 state measured light distribution schematic diagram.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Disclosed is a kind of LED lamp with double-deck cell-shell, as shown in Figures 2 and 3, is the first preferred embodiment of the present invention.Described LED lamp comprises lamp body 1, and one end of this lamp body 1 is provided with lamp holder 2, the large cell-shell 4 that the other end is provided with vesicle shell 3 and covers on these vesicle shell 3 outsides, and the inner space 11 of this lamp body 1 is for holding the electric elements such as wiring board; Place, bottom surface at this vesicle shell 3 is provided with LED chip 5, and the bottom surface of vesicle shell 3 is higher than the bottom surface certain distance of large cell-shell 4.It should be noted that, the height definition of this vesicle shell 3 and large cell-shell 4 bottom surfaces with described lamp holder 2 down cell-shell define upward.
Owing to being provided with double-deck cell-shell, the lighting angle of LED chip 5 can increase by the diffusion of inner vesicle shell 3, then can further increase through the diffusion of outside large cell-shell 4, thereby reaches the object of diffusion lighting angle.The bottom surface of inner vesicle shell 3 exceeds certain distance than the bottom surface of outside large cell-shell 4, is in order to allow the light that vesicle shell 3 sends as often as possible be irradiated to large cell-shell 4 near the region (the region A in Fig. 2) of bottom, thereby allows the lighting angle of whole lamp become large.
For inside and outside two cell-shells are installed on the lamp body 1 described, this lamp body 1 be positioned at one end of cell-shell can Formation cross-section the vacancy section 12 that is V-arrangement, the outer wall in Gai Lourong district 12 is in order to install large cell-shell 4, inwall is in order to install vesicle shell 3, this vacancy section 12 can be used as the space of heat radiation, can for the reducing of inner space 11 of electric elements is installed, not affect radiating effect because of lamp body 1 like this.And can be embedded in the inside of described lamp body 1 sidewall the metal insert 6 that a cross section is Y shape, and 1 of lamp body becomes as plastics, the V-arrangement region of Y shape metal insert 6 tops forms described V-arrangement vacancy section 12, thereby can further increase the effect of heat radiation.In addition, on the lateral wall of described lamp body 1 or described lamp body 1 and Y shape metal insert 6, some through holes 13 can be set, described vacancy section 12 be communicated, to can fast the dissipation of heat in vacancy section 12 be gone out with the external world.
Due to the support of above-mentioned powerful radiator structure, the spherical crown height that can the make described vesicle shell 3 relatively ratio of its radius of sphericity is larger, like this by the diffusion of little cell-shell itself, just can make lighting angle than existing common the larger of LED lamp of singly steeping.
As shown in Figure 4,5, for the second embodiment of the present invention, described LED lamp comprises lamp body 1, lamp holder 2, vesicle shell 3, large cell-shell 4 and LED chip 5 equally, inner space 11 at lamp body 1 is also provided with the electric elements such as wiring board, and the position of each parts and fit structure mode all identical with above-mentioned the first embodiment.
The difference of the present embodiment and above-mentioned the first embodiment is: described vesicle shell 3 inside are provided with a reflector 7, the reflective surface 71 of this reflector 7 for cross section be arc and to the horn mouth shape extending out, the dead in line of the axis of this reflective surface 71 and LED lamp, and LED chip is uniformly distributed on the circumference in the reflective scope of bell mouth shape reflective surface.The light that LED chip 5 sends is like this through the reflection of reflector 7 cambered surface reflective surfaces 71, can allow the close bottom section (be region B place in Fig. 4) of more light reflection to inner vesicle shell 3, thereby allow more light reflection to the bottom section A part of large cell-shell 4, further expand the lighting angle of whole lamp.
As shown in Fig. 6 to Figure 17, for being that the maximum gauge of lamp is 60mm to same model LED-A60() existing common LED lamp and test process and the test result of the lighting angle of structure LED lamp of the present invention.Test machine adopts Zhejiang three coloured light distribution detectors, standard adopts the standard < < ANSI C78.379 of North America TIA shot-light light angular standard > >, this standard regulation lighting angle is half light intensity angle, reaches largest light intensity position over half and could calculate effective angle.Test process is, LED lamp is contained on the three coloured light distribution detectors of Zhejiang, ray-collecting instrument 9 can turn around to collect light around lamp, as shown in Figure 6, at the C0-C180 of light fixture state, ray-collecting instrument 9 turns around around lamp, has just collected light fixture at all light of this axis, is presented on this light of test report C0-C180 and distributes.After this axis tests, LED lantern festival turn 90 degrees by order, makes axis become C90-C270(as shown in Figure 7), ray-collecting instrument 9 turns around around lamp again, collects the whole light of this axis, is presented on this light of test report C90-C270 and distributes.
According to Fig. 8 to Figure 17 measured send out distribution map, can obtain test result as following table:
From test result, can find out, when although if the lighting angle of interior cell-shell is identical with common cell-shell, add again outside bulb shell and also can increase angle, but, by regulating the distance (being the ratio of the relative bulb diameter of spherical crown) of the diameter of cell-shell and cell-shell top and chip, can make the lighting angle of interior cell-shell itself larger than common individual layer cell-shell, then add outside bulb shell, can make the light angle of whole lamp larger.In addition, by adjusting the radian of the reflective surface of reflector, can make more than the lighting angle of whole lamp reaches 270 degree.
The above, be only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus variation or the modification in every case according to claim of the present invention and description, done, within all should belonging to the scope that patent of the present invention contains.
Claims (6)
1. a LED lamp with double-deck cell-shell, is characterized in that: comprise lamp body, one end of this lamp body is provided with lamp holder, the large cell-shell that the other end is provided with little cell-shell and covers on this vesicle shell outside, and the inner space of this lamp body is provided with electric elements; Place, bottom surface at this little cell-shell is provided with LED chip, and the bottom surface of little cell-shell is higher than the bottom surface certain distance of large cell-shell.
2. a kind of LED lamp with double-deck cell-shell according to claim 1, it is characterized in that: described vesicle shell inside is provided with a reflector, the reflective surface of this reflector is that cross section is arc and to the horn mouth shape extending out, the dead in line of the axis of this reflective surface and LED lamp, and LED chip is uniformly distributed on the circumference in the reflective scope of bell mouth shape reflective surface.
3. a kind of LED lamp with double-deck cell-shell according to claim 1 and 2, it is characterized in that: described lamp body is positioned at the vacancy section that one end Formation cross-section of cell-shell is V-arrangement, the outer wall in Gai Lourong district is in order to install described large cell-shell, and inwall is in order to install described little cell-shell.
4. a kind of LED lamp with double-deck cell-shell according to claim 3, is characterized in that: the lateral wall of described lamp body is provided with and can makes described vacancy section and the extraneous some through holes that communicate.
5. a kind of LED lamp with double-deck cell-shell according to claim 3, it is characterized in that: the inside of described lamp body 1 sidewall is embedded the metal insert that a cross section is Y shape, and lamp body originally becomes as plastics, the V-arrangement region of this Y shape metal insert top forms described V-arrangement vacancy section.
6. a kind of LED lamp with double-deck cell-shell according to claim 5, is characterized in that: described lamp body is provided with and can makes described vacancy section and the extraneous some through holes that communicate with the lateral wall of Y shape metal insert.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410032322.4A CN103759155B (en) | 2014-01-23 | 2014-01-23 | A kind of LED with double-deck cell-shell |
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| CN201410032322.4A CN103759155B (en) | 2014-01-23 | 2014-01-23 | A kind of LED with double-deck cell-shell |
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| CN103759155A true CN103759155A (en) | 2014-04-30 |
| CN103759155B CN103759155B (en) | 2016-03-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051501A (en) * | 2016-07-11 | 2016-10-26 | 德清明裕照明电器有限公司 | Composite curved reflecting bulb |
| CN108087736A (en) * | 2017-03-13 | 2018-05-29 | 正屋(厦门)电子有限公司 | A kind of lamps and lanterns blister |
| WO2018165807A1 (en) * | 2017-03-13 | 2018-09-20 | 正屋(厦门)电子有限公司 | Led bulb with dual bulb shells |
| CN109519731A (en) * | 2018-12-07 | 2019-03-26 | 漳州立达信光电子科技有限公司 | The double-deck bulb lamp |
| US11371662B2 (en) | 2018-12-21 | 2022-06-28 | Signify Holding B.V. | Filament lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011076833A (en) * | 2009-09-30 | 2011-04-14 | Sharp Corp | Led lighting device |
| CN202484631U (en) * | 2011-09-27 | 2012-10-10 | 东莞健达照明有限公司 | LED lamp with double lampshades |
| CN202580706U (en) * | 2012-03-05 | 2012-12-05 | 广东德豪润达电气股份有限公司 | Large-angle illumination LED lamp |
| CN202852547U (en) * | 2012-10-25 | 2013-04-03 | 闫世成 | Full lighting-angles LED (light-emitting diode) bulb lamp |
| CN203718446U (en) * | 2014-01-23 | 2014-07-16 | 正屋(厦门)电子有限公司 | LED lamp with double-layer bulb shell |
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2014
- 2014-01-23 CN CN201410032322.4A patent/CN103759155B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011076833A (en) * | 2009-09-30 | 2011-04-14 | Sharp Corp | Led lighting device |
| CN202484631U (en) * | 2011-09-27 | 2012-10-10 | 东莞健达照明有限公司 | LED lamp with double lampshades |
| CN202580706U (en) * | 2012-03-05 | 2012-12-05 | 广东德豪润达电气股份有限公司 | Large-angle illumination LED lamp |
| CN202852547U (en) * | 2012-10-25 | 2013-04-03 | 闫世成 | Full lighting-angles LED (light-emitting diode) bulb lamp |
| CN203718446U (en) * | 2014-01-23 | 2014-07-16 | 正屋(厦门)电子有限公司 | LED lamp with double-layer bulb shell |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051501A (en) * | 2016-07-11 | 2016-10-26 | 德清明裕照明电器有限公司 | Composite curved reflecting bulb |
| CN108087736A (en) * | 2017-03-13 | 2018-05-29 | 正屋(厦门)电子有限公司 | A kind of lamps and lanterns blister |
| CN108224122A (en) * | 2017-03-13 | 2018-06-29 | 正屋(厦门)电子有限公司 | A kind of LED bubble lamps of double blisters |
| WO2018165807A1 (en) * | 2017-03-13 | 2018-09-20 | 正屋(厦门)电子有限公司 | Led bulb with dual bulb shells |
| CN109519731A (en) * | 2018-12-07 | 2019-03-26 | 漳州立达信光电子科技有限公司 | The double-deck bulb lamp |
| US11371662B2 (en) | 2018-12-21 | 2022-06-28 | Signify Holding B.V. | Filament lamp |
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| CN103759155B (en) | 2016-03-02 |
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