CN104100949B - Spiral radiator and LED lamp - Google Patents
Spiral radiator and LED lamp Download PDFInfo
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- CN104100949B CN104100949B CN201410361081.8A CN201410361081A CN104100949B CN 104100949 B CN104100949 B CN 104100949B CN 201410361081 A CN201410361081 A CN 201410361081A CN 104100949 B CN104100949 B CN 104100949B
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- support frame
- led lamp
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- helical
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Abstract
The invention relates to a spiral radiator and an LED lamp; the spiral radiator comprises at least one supporting frame which is of a hollow spiral structure, and a heat dissipation cavity is formed in the supporting frame. The side wall of the supporting frame is provided with a plurality of through holes. A reflecting layer is arranged on the inner side wall of the supporting frame. A plurality of installation positions are arranged in the supporting frame. Through the arrangement of at least one supporting frame, the spiral radiator is concise in overall shape, and easy to assembly in actual application; the supporting frame is of the hollow spiral structure, and the heat dissipation cavity is formed in the supporting frame, so that heat generated by the LED lamp can be transferred to air in the heat dissipation cavity, and the heat can be further transferred to external air in a thermal convection manner through the plurality of through holes, thus being good in heat dissipation effect. The spiral radiator takes into account both shape and heat dissipation, and can be widely applied to the LED lamps in the field of illumination. In addition, the invention also discloses the LED lamp adopting the spiral radiator.
Description
Technical field
The present invention relates to LED lamp lighting field, more particularly to a kind of helical radiator, and use this helical radiator
LED lamp.
Background technology
Led (light emitting diode, light emitting diode), it can directly and efficiently convert electrical energy into visible
Light, and have the service life up to tens thousand of hours～100,000 hour.It is widely used in landscape, safety, special type and common photograph
The field such as bright, market potential is beyond measure.
LED lamp is to be referred to as the most frequently used lighting the advantages of of fine quality, durable, energy-conservation.But, current led
In light fixture, playing main heat sink effect is heat dissipation plate, in the heat transfer that LED lamp operationally produces to heat transfer disk, and further
Transfer heat to the in the air in the external world by heat dissipation plate, and then heat is scattered away, to ensure that LED lamp can continue normal work
Make.
Traditional heat dissipation plate is discoid, because heat dissipation plate is directly exposed to the external world, on the one hand can affect the outer of LED lamp
See aesthetic, on the other hand, the edge generally ratio of heat dissipation plate is sharp, easily scratch user in use, need in addition in radiating
Disk outer housing sets a shell, aesthetic to ensure outward appearance, and prevents the sharp edge of heat dissipation plate from accidentally injuring user.However, extra increase
Shell, strong influence can be produced to the radiating of LED lamp, reduce the radiating effect of radiator.
Additionally, simple dependence heat dissipation plate is radiated, heat dissipation plate can pile up excessive heat, leads to hot-spot, is difficult
Shed, radiating effect is also not ideal enough.
Content of the invention
Based on this it is necessary to provide a kind of good heat dissipation effect, the moulded helical radiator being succinctly easily assembled and
LED lamp, the other technologies scheme of the present invention, also solve the technical problem avoiding glare phenomenon, security performance higher.
A kind of helical radiator, including at least one support frame；
Described support frame is to form a heat-dissipating cavity in hollow screw structure, described support frame；
Several through holes are offered on the side wall of described support frame；
It is provided with reflecting layer on the medial wall of described support frame；
Described support frame is internally provided with several installation positions.
In one of embodiment, including two described support frames, and two described support frames are mutually wound
Double-spiral structure.
In one of embodiment, each described through hole is uniformly opened on the side wall of described support frame.
In one of embodiment, the side wall of described support frame offers several to described through hole, and each pair institute
State through hole be located at described support frame a helix of helical structure same diametrically.
In one of embodiment, in described support frame, the helical wound along itself helical structure arranges radiating wire.
In one of embodiment, the pitch coefficient of the helical structure of described support frame is more than the spiral of described radiating wire
The pitch coefficient of structure.
In one of embodiment, if described support frame includes several radiating parts and is attached on described radiating part
Dry heat transfer part, and several described radiating parts and several described heat transfer part interval settings successively.
In one of embodiment, the thickness of described radiating part is more than the thickness of described heat transfer part.
In one of embodiment, described reflecting layer is arranged on described heat transfer part.
A kind of LED lamp, including arbitrary above-mentioned helical radiator, its each described installation position arranges a LED lamp.
Above-mentioned helical radiator passes through to arrange at least one support frame, moulded succinct, is easy in actual applications fill
Join, and support frame is hollow screw structure, and form a heat-dissipating cavity in support frame, the heat that LED lamp produces can be made
Amount is delivered to the in the air in heat-dissipating cavity, and passes through the heat transfer type biography by heat by thermal convection current for several through holes further
It is delivered in outside air, good heat dissipation effect.Above-mentioned helical radiator takes into account moulding and radiating, can be widely applied to lighting field
LED lamp in.
Brief description
Fig. 1 is the structural representation of the helical radiator of an embodiment of the present invention；
Fig. 2 is the distribution schematic diagram on the support frame of the through hole shown in Fig. 1；
Fig. 3 is the structural representation of the support frame of another embodiment of the present invention；
Fig. 4 is the fragmentary sectional view of the support frame shown in Fig. 1；
Fig. 5 is the structural representation of the LED lamp of an embodiment of the present invention.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate a lot of details in order to fully understand this in the following description
Bright.But the present invention can be much to implement different from alternate manner described here, and those skilled in the art can be not
Similar improvement is done, therefore the present invention is not embodied as being limited by following public in the case of running counter to intension of the present invention.
Refer to Fig. 1, helical radiator 10 includes at least one support frame 100.Support frame 100 is tied for hollow screw
Structure, so that forming a heat-dissipating cavity 110 in support frame 100, so, the heat of the LED lamp generation installed inside helical radiator
Amount can be for delivery to the in the air in heat-dissipating cavity 110, and the heat such that it is able to produce LED lamp efficiently and rapidly scatters away, and dissipates
Thermal effect is good.Additionally, helical radiator 10 is at least one support frame 100 Combined type integral structure, moulded succinct,
It is easily assembled in practical application.
Installation for the ease of LED lamp and obtain preferable radiating effect, for example, if the internal setting of support frame 100
Dry installation position (not shown), for example, installation position is arranged on the medial wall of support frame 100.And for example, described installation position is to prop up
Several extensions that the medial wall of support frame frame 100 is extended to described heat-dissipating cavity, LED lamp is arranged at and prolongs described in several
In extending portion, the heat for making LED lamp produce fully is delivered in described heat-dissipating cavity.So, be easy to LED lamp installation and
And preferable radiating effect can be obtained.
For example, the internal diameter at two ends of itself helical structure of support frame 100 and external diameter differ, i.e. support frame 100 1
End is thick, and the other end is thin.When installing support frame 100, thicker for support frame 100 one end is arranged on the installing rack of LED lamp
Or in the installation site of outside, as such, it is possible to make the radiating effect of support frame 100 preferably it is easy to install.
In order to further enhance the radiating effect of support frame 100, efficiently and rapidly to scatter away the heat of LED lamp generation,
For example, the two ends of support frame 100 are all connected with outside air, so that the heat of accumulation can be efficiently fast in heat-dissipating cavity 110
It is delivered in outside air by the heat transfer type of thermal convection current fastly.And for example, the two ends of support frame 100 are respectively provided with first and open
Mouthful and the second opening, described first opening setting supply fan, described second opening setting extraction fan is that is to say, that institute
The rotation direction stating the flabellum of supply fan and described extraction fan is contrary, for quickly pumping into extraneous cooler air and then dilution
Hot-air in circulation support frame 100, further functions as air thermal convection current radiating effect.As such, it is possible to further enhance prop up
The radiating effect of support frame frame 100, efficiently and rapidly to scatter away the heat of LED lamp generation, and then ensures the normal work work(of LED lamp
Can, to increase the service life of LED lamp.
Please continue to refer to Fig. 1, the side wall of support frame 100 offers several through holes 120.It is appreciated that, on the one hand,
Through hole 120 can be as the effect of louvre, thus the heat that heat-dissipating cavity 110 is gathered can be efficiently and rapidly right by heat
The heat transfer type of stream is delivered in outside air, as such, it is possible to further enhance the radiating effect of support frame 100, with efficient
Rapidly scatter away the heat of LED lamp generation, and then the normal work function of guarantee LED lamp, to increase the service life of LED lamp,
On the other hand, through hole 120 is also used as the effect of loophole, thus the LED lamp being arranged in support frame 100 is produced
Light is emitted by through hole 120.
In order to further enhance the radiating effect of through hole 120, for example, each through hole 120 is uniformly opened on bracing frame 100,
I.e. each through hole 120 is uniformly distributed on the various loci of support frame 100, and for example, each through hole 120 is along support frame 100 itself
The helix distribution of helical structure, that is, the line of each through hole 120 is the first helix with itself helical structure of support frame 100
The second corresponding helix.And for example, the side wall of support frame 100 offers some to described through hole and logical described in each pair
A piece helix of the helical structure in support frame 100 for the hole position same diametrically that is to say, that referring to Fig. 2, wherein one
On outer vortex to the helical structure that through hole (121a, 122a) is respectively positioned on support frame 100a, another to through hole (121b,
On the inner vortex of helical structure 122b) being respectively positioned on support frame 100a, so that through hole described in each pair passes in outwardly air
When passing heat, air can be formed to heat heat transfer, drastically increase the radiating effect of described through hole.So, by changing
Distribution mode in support frame 100a for the described through hole, can further enhance the radiating effect of described through hole, with efficiently fast
Scatter away the heat of LED lamp generation, and then the normal work function of guarantee LED lamp, to increase the service life of LED lamp fastly.
For the radiating effect increasing support frame 100, the utilization rate improving LED lamp light and optimization LED lamp light
Exit direction, for example, refer to Fig. 4, the medial wall of support frame 100 be provided with reflecting layer 160, for reflecting, reflecting
And/or scattering light；So, reflecting layer 160 can be emitted onto light on the medial wall of support frame 100 through repeatedly anti-
From being projected by through hole 120 after penetrating, such that it is able to optimize the exit direction of LED lamp light, at the same time it can also avoid LED lamp light
Line is absorbed by the medial wall of support frame 100, thus improve the utilization rate of LED lamp light.Additionally, reflecting layer 160 is acceptable
The heat producing during by LED lamp normal work is to a certain degree being reflected, and passes through through hole 120 and 100 liang of support frame
The opening at end is delivered in outside air, and the heat such that it is able to avoid LED lamp to produce excessively is inhaled by the side wall of support frame 100
The local collection thermal phenomenon received and cause, and then increased the radiating effect of support frame 100.
And for example, described side wall includes spaced metal portion and plastic sheeting portion, and for example, the width of described metal portion is little
Width in described plastic sheeting portion.For example, described reflecting layer is arranged at described metal portion.And for example, each described through hole is arranged at
Described plastic sheeting portion.So, by arranging plastic sheeting portion, it is favorably improved light transmission；By arranging metal portion, help
In raising heat dispersion, and interval setting metal portion and plastic sheeting portion, contribute to manufacturing light and handy, dimensionally stable carriage
Frame.Reflecting layer is arranged at metal portion, and Product processing is very convenient；Through hole is arranged at plastic sheeting portion, is favorably improved thermal diffusivity
Can, and easily manufactured.
So that LED lamp may be mounted in support frame 100, for example, support frame 100 is provided with several peaces
Dress position (not shown), for example, installation position is arranged on described reflecting layer, and and for example, each described installation position both faces towards through hole 120 and sets
Put, so that the light that LED lamp projects can directly be projected by through hole 120.As such, it is possible to make LED lamp pass through described installation position
It is arranged in support frame 100.And for example, described support frame is internally provided with several installation positions, and each described installation position is used
In fixing a LED lamp, and for example, the light direction of each described installation position is against described reflecting layer, i.e. each described installation position institute
The light direction installing LED lamp against described reflecting layer, that is, the installation site of LED lamp and described through hole open up that position is staggered to be set
Put；And for example, described support frame be internally provided with some to installation position, each pair installation position includes two installation positions, is located at respectively
The helix of helical structure same diametrically, and, so, the light of each LED lamp reflects through described reflecting layer, reflect and/
Or after scattering, then project from each through hole, so, reach has the technical effect that, need not be additionally using lampshade, and user can directly pacify
Dress uses, and can use as various illuminating products, for example lighting of home or commercial illumination etc..
In order to further enhance the radiating effect of support frame 100, for example, support frame 100 is two, and two
Support frame frame 100 is mutually wound double-spiral structure.And for example, in double-spiral structure, the pitch of the first helical structure is less than second
The pitch of helical structure, so, compared to single coil configuration, double-spiral structure can strengthen the brightness of illumination so that described spiral shell
Rotation radiator has more preferable illuminating effect on the premise of guaranteeing radiating effect.And, compared to common first spiral knot
Structure pitch is equal to the double-spiral structure of the second helical structure pitch, and the first helical structure pitch is less than the second helical structure pitch
Double-spiral structure, is easier to realize the construction in stereovision and even light sensation, it is possible to produce unconventional lamp on illuminating effect
Tool, obtains artistic composition between light and level, is particularly suitable for artistic venue or lighting of home design.
And for example, support frame 100 is three, the linear arrangement of three support frames 100 or rounded projections arranged, and
As three support frame parts are crisscross arranged, and that is, the helical structure of each described support frame at least partly interlocks so that a certain
Projection in plane has overlapping region, as such, it is possible to obtain more uniform illuminating effect, suitable room lighting uses.And for example,
Support frame 100 is six, and six support frames 100 are in that cirque structure arranges.So, the number according to LED lamp (not shown)
Amount and produce heat number, by optimize several helical radiators 10 position arrange, it is possible to achieve preferably according to
Bright and radiating effect.
For example, refer to Fig. 3, it is the structural representation of support frame 100a of another embodiment of the present invention, supports
The internal diameter at two ends of itself helical structure of framework 100a and external diameter all same, as such, it is possible to improve dissipating in support frame 100a
Ratio of specific heat surface area, can play the effect strengthening support frame 100a radiating effect, at the same time it can also in support frame 100a
More described installation position is set, such that it is able to improve the quantity of LED lamp in support frame 100a, to increase brightness.
In order to further enhance the radiating effect of support frame 100, for example, along itself helical structure in support frame 100
Helical wound setting radiating wire (not shown), and for example, described radiating wire includes some monofilament mutually kinking, each monofilament
Between some support bars are set, the zone line of each monofilament mutually kinking forms a porous cavity, similar to double spiral shells of dna
Rotation structure, so contributes to strengthening the radiating effect of support frame.And for example, described radiating wire is some, and some described scattered
It is provided with interval between heated filament, so that some described radiating wires are distributed on the surface of support frame 100 in network structure, from
And the interference that some described radiating wires produce each other can be reduced in radiating, it is also possible to make support frame 100
The heat absorbing more uniformly passes to described radiating wire.And for example, the pitch coefficient of the helical structure of described radiating wire is less than and props up
The pitch coefficient of the helical structure of support frame frame 100, to increase the dense degree of described radiating wire, thus increase described radiating wire
Radiating specific surface area.As such, it is possible to further enhance the radiating effect of support frame 100.
In order to further enhance the radiating effect of radiating wire, for example, described radiating wire is capillary heat pipe, and for example, described hair
The caliber of thin heat pipe is 1.8mm～2.2mm, filling coolant in it, and for example, described coolant is r415b or r134a, based on institute
The siphonage stating capillary heat pipe itself generation carries out heat conduction, can further enhance the radiating effect of radiating wire.
Refer to Fig. 4, support frame 100 includes several radiating parts 140 and is attached to several biographies on radiating part 140
Hot portion 150, and several radiating parts 140 and several heat transfer parts 150 interval setting successively.So, the heat that LED lamp produces
Pass to one radiating part 140 first, more another radiating part 140 is delivered to by heat transfer part 150 afterwards, in the transmission of heat
Cheng Zhong, can be greatly enhanced transfer rate in support frame 100 for the heat by arranging heat transfer part 150, thus reducing led
The heat that lamp produces is in the accumulation of support frame 100, it is to avoid hot-spot phenomenon.So, by radiating part 140 and heat transfer
The synergism in portion 150 so that support frame 100 realize heat transfer faster, radiating more timely effect, further enhancing
The radiating effect of support frame 100.
In order to further enhance the radiating effect of support frame 100, for example, radiating part 140 is aluminium alloy layer, and described
The thickness of aluminium alloy layer is 2mm～5mm, and heat transfer part 150 is copper alloy layer or layer of silica gel, and the thickness of described layer of silica gel is
0.8mm～1mm, the thickness of described copper alloy is 1mm～1.5mm, as such, it is possible to make radiating part 140 and heat transfer part 150 mutual
Radiating effect produced by synergism is preferable, to further enhance the radiating effect of support frame 100.
For example, the thickness of described radiating part is less than the thickness of described heat transfer part, now, the radiating effect of support frame 100
Preferably.
It is appreciated that the coefficient of heat conduction less than described heat transfer part of the coefficient of heat conduction of described radiating part, so permissible
Be conducive to the mutual synergism that radiating part and heat transfer part produce, so, the radiating of described radiating part and the generation of described heat transfer part
Effect is preferable.
In order to further enhance the radiating effect of support frame 100, for example, reflecting layer 160 is arranged on heat transfer part 150,
As such, it is possible to make the heat that reflecting layer 160 absorbs quickly pass to heat transfer part 150, such that it is able to further enhance carriage
The radiating effect of frame 100.
Above-mentioned helical radiator 10 passes through to arrange at least one support frame 100, moulded succinct, in actual applications easily
In assembling, and support frame 100 is hollow screw structure, and forms a heat-dissipating cavity 110 in support frame 100, can make
The in the air in heat-dissipating cavity 110 for the heat transfer that LED lamp produces, and by several through holes 120, heat is led to further
The heat transfer type crossing thermal convection current is delivered in outside air, good heat dissipation effect.Above-mentioned helical radiator 10 takes into account moulding and radiating,
Can be widely applied in the LED lamp of lighting field.
Helical radiator described in any of the above-described embodiment of connected applications, another example is that a kind of LED lamp, including arbitrary
Helical radiator described in above-described embodiment, its each described installation position arranges a LED lamp.So, the LED lamp in LED lamp
Heat, can dissipate to extraneous air from helical radiator, and, the light of LED lamp, penetrate after the effect of described reflecting layer
Go out, directly can use as light fixture.
Based on above-mentioned each example, provide a kind of integrated LED lamp of the integrated above-mentioned each LED lamp of scale, for example, one below again
Plant LED lamp, including arbitrary above-mentioned helical radiator 10.For example, refer to Fig. 5, LED lamp 20 includes installing rack 30, some
Individual support frame 40, several LED lamp (not shown), lampshade 50 and electric wire.Several support frames 40 are arranged on installing rack
On 30, several LED lamps correspond and are installed on described installation position in support frame 40, and lampshade 50 is arranged on installing rack 30
On, and accommodating support frame 40 and described LED lamp, described electric wire electrically connects several described LED lamps and being placed in and is supported
In framework 40.
Above-mentioned LED lamp 20 passes through to arrange above-mentioned helical radiator, and LED lamp is arranged in helical radiator, passes through
The heat that helical radiator produces to LED lamp radiates, and radiating effect is preferably, with respect to traditional LED lamp, this case
LED lamp 20 need not still further arrange heat dissipation plate, and security performance is higher.
In order to avoid glare phenomenon, for example, lampshade 50 is toughened glass lampshade, to increase light diffusing degree, its thickness
For 8mm～10mm, as such, it is possible to make the light of LED lamp transmitting through after lampshade 50, become more soft comfortable, thus
Avoid the generation of glare phenomenon, be conducive to the health of eyes.
In order to increase the radiating effect of installing rack 30 further, for example, refer to Fig. 5, installing rack 30 offers some
Individual louvre 31, and for example, several louvres 31 are corresponded with several support frames 40 and connect, as such, it is possible to will make
Support frame 40 passes through more quickly louvre 31 and transfers heat in outside air.
It should be noted that the other embodiment of the present invention also includes, the technical characteristic in the various embodiments described above is mutually tied
Close helical radiator being formed, can implementing and LED lamp, in this manner it is achieved that good heat dissipation effect, moulded letter
Clean be easily assembled, and avoid the higher technique effect of the glare phenomenon of LED lamp, security performance.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (6)
1. a kind of helical radiator is it is characterised in that include at least one support frame；
Described support frame is to form a heat-dissipating cavity in hollow screw structure, described support frame；
Several through holes are offered on the side wall of described support frame；
It is provided with reflecting layer on the medial wall of described support frame；
Described support frame is internally provided with several installation positions.
2. according to claim 1 helical radiator it is characterised in that including two described support frames, and described in two
Support frame is mutually wound double-spiral structure.
3. according to claim 1 helical radiator it is characterised in that each described through hole is uniformly opened in described support frame
Side wall on.
4. according to claim 1 helical radiator it is characterised in that offer on the side wall of described support frame some right
Described through hole, and through hole described in each pair be located at described support frame a helix of helical structure same diametrically.
5. according to claim 4 helical radiator it is characterised in that along the spiral shell of itself helical structure in described support frame
Spin line is wound around setting radiating wire.
6. a kind of LED lamp is it is characterised in that include the arbitrary described helical radiator of claim 1 to 5, its each described peace
Dress position arranges a LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361081.8A CN104100949B (en) | 2014-07-25 | 2014-07-25 | Spiral radiator and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361081.8A CN104100949B (en) | 2014-07-25 | 2014-07-25 | Spiral radiator and LED lamp |
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| Publication Number | Publication Date |
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| CN104100949A CN104100949A (en) | 2014-10-15 |
| CN104100949B true CN104100949B (en) | 2017-01-18 |
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| CN201410361081.8A Active CN104100949B (en) | 2014-07-25 | 2014-07-25 | Spiral radiator and LED lamp |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565938B (en) * | 2015-01-09 | 2017-01-04 | 深圳市有为光电有限公司 | Lamp with spring-like radiator |
| CN104567510B (en) * | 2015-01-09 | 2017-05-24 | 深圳市有为光电有限公司 | Spring-shaped heat sink and radiator with spring-shaped heat sink |
| CN105333342B (en) * | 2015-10-16 | 2018-08-21 | 中山市中信达照明有限公司 | Novel lamp |
| CN105333343B (en) * | 2015-10-16 | 2018-07-24 | 南通驰晟光电科技有限公司 | Ecological lamps and lanterns |
| CN105674073B (en) * | 2016-01-29 | 2019-04-16 | 东莞市闻誉实业有限公司 | Circulation radiating type lighting device |
| CN105674074B (en) * | 2016-01-29 | 2019-02-26 | 东莞市闻誉实业有限公司 | Lighting device |
| CN105736973B (en) * | 2016-01-29 | 2019-04-02 | 东莞市闻誉实业有限公司 | Liquid-cooling LED illuminator |
| CN105546375B (en) * | 2016-01-29 | 2018-09-18 | 东莞市闻誉实业有限公司 | Liquid cooling LED lamps and lanterns |
| CN105972551A (en) * | 2016-06-29 | 2016-09-28 | 左邦庆 | Bedside lamp |
| CN105972509A (en) * | 2016-06-29 | 2016-09-28 | 左邦庆 | Solar desk lamp |
| CN107701933B (en) * | 2017-09-26 | 2019-11-05 | 东莞市闻誉实业有限公司 | Heat loss through convection lamps and lanterns |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008004398A (en) * | 2006-06-22 | 2008-01-10 | Toshiba Lighting & Technology Corp | Compact self-ballasted fluorescent lamp, and luminaire |
| CN201521841U (en) * | 2009-09-08 | 2010-07-07 | 宁波凯耀电器制造有限公司 | Energy-saving lamp |
| TWM391054U (en) * | 2010-05-06 | 2010-10-21 | Chen jing-xin | Inner coupling type electrodeless lamp having built-in ballast |
| CN202392487U (en) * | 2011-11-30 | 2012-08-22 | 何军 | Spiral lampshade type LED (Light Emitting Diode) energy-saving lamp |
| CN203115628U (en) * | 2013-03-16 | 2013-08-07 | 郑敏 | Light-emitting diode (LED) energy-saving lamp |
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