CN102384370A - Rotary radiator structure for light-emitting diode light source device - Google Patents

Rotary radiator structure for light-emitting diode light source device Download PDF

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Publication number
CN102384370A
CN102384370A CN2010102705259A CN201010270525A CN102384370A CN 102384370 A CN102384370 A CN 102384370A CN 2010102705259 A CN2010102705259 A CN 2010102705259A CN 201010270525 A CN201010270525 A CN 201010270525A CN 102384370 A CN102384370 A CN 102384370A
Authority
CN
China
Prior art keywords
radiator
transmission belt
housing
led
heat transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010102705259A
Other languages
Chinese (zh)
Inventor
陈友
程彦刚
李皓
肖尚平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
PATRA Patent Treuhand Munich
Original Assignee
PATRA Patent Treuhand Munich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PATRA Patent Treuhand Munich filed Critical PATRA Patent Treuhand Munich
Priority to CN2010102705259A priority Critical patent/CN102384370A/en
Priority to PCT/EP2011/063401 priority patent/WO2012028410A1/en
Publication of CN102384370A publication Critical patent/CN102384370A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses a rotary radiator structure for a light-emitting diode (LED) light source device. The light-emitting diode light source device comprises a light-emitting diode module for emitting light, a radiator, a casing and a heat conducting strip, wherein the light-emitting diode module is installed on the radiator, the radiator is used for emitting heat generated by the light-emitting diode module, the casing accommodates the radiator and is used for emitting the heat generated by the light-emitting diode module to the outside of the casing, and the heat conducting strip is arranged between the radiator and the casing and contacted with the radiator and the casing so as to enable the heat generated by the light-emitting diode module to be transmitted from the radiator to the casing. The radiator rotates so as to adjust the light output direction of the light-emitting diode module.

Description

The rotation heat spreader structures that is used for LED source equipment
Technical field
The present invention relates to a kind of light emitting diode (LED) light source, relate to a kind of led light source equipment particularly with rotation heat spreader structures.
Background technology
In the structure of current led light source equipment, especially in the structure of high-power LED light source equipment, the flow process of the heat that LED generates is following: 1) heat is delivered to the external structure of led light source equipment from the internal structure of led light source equipment; And 2) type of thermal communication cross led light source equipment external structure the surface and by being spread.Therefore, for radiating management, the led module of led light source equipment must be fixed.But the led module of led light source equipment need be rotated sometimes, so that the control light output direction.So there is conflict in led light source equipment between radiating requirements and optical demands.
The led light source equipment of prior art has following two kinds of structures.A kind of is fixed structure.This technical scheme only can realize heat dispersion.Light output direction is fixed and cannot changes.Another kind is a rotational structure.This technical scheme allows the user that photo engine is rotated, but the heat dispersion of non-constant is provided, and this has seriously reduced LED service life.
Therefore be desirable to provide a kind of led light source equipment, it both can realize heat dispersion, can adjust light output direction again.
Summary of the invention
Provided hereinafter about brief overview of the present invention, so that the basic comprehension about some aspect of the present invention is provided.But, should be appreciated that this general introduction is not about exhaustive general introduction of the present invention.It is not that intention is used for confirming key part of the present invention or pith, neither be intended to be used for limiting scope of the present invention.Its purpose only is to provide about some notion of the present invention with the form of simplifying, with this as the preorder in greater detail that provides after a while.
Said circumstances in view of prior art the purpose of this invention is to provide a kind of led light source equipment, and it can overcome the shortcoming and defect of above-mentioned prior art, in the adjustment light output direction, to realize heat dispersion.
To achieve these goals, according to an aspect of the present invention, a kind of led light source equipment is provided, this led light source equipment comprises: led module, and it is used to launch light; Radiator is installed said led module on said radiator, be used to distribute the heat that is generated by said led module; Housing, it holds said radiator, is used for the heat that said led module generates is dispersed into the outside of said housing; And heat transmission belt; It is arranged between said radiator and the said housing; And contact with said radiator and said housing; So that to said housing, wherein, said radiator is rotated to adjust the light output direction of said led module the heat that said led module is generated from said heat sink.
In technique scheme of the present invention, led light source equipment has the rotation heat spreader structures.In the time need adjusting the light output direction of led module, radiator is rotated to drive led module mounted thereto and rotates together.Radiator contacts with heat transmission belt, and heat transmission belt contacts with housing, thereby radiator, heat transmission belt and housing have formed heat dissipation channel, have improved the heat-sinking capability of led light source equipment.Therefore, led light source equipment according to the present invention both can be realized heat dispersion, can adjust light output direction again.
Description of drawings
The present invention can wherein use same or analogous Reference numeral to represent identical or similar parts in institute's drawings attached through with reference to hereinafter combining the given detailed description of accompanying drawing to be better understood.Said accompanying drawing comprises in this manual and forms the part of specification together with following detailed description, is used for further illustrating the preferred embodiments of the present invention and explains principle and advantage of the present invention.In the accompanying drawings:
Fig. 1 is the perspective view of led light source equipment before being rotated that illustrates according to the embodiment of the invention;
Fig. 2 is the sectional view of led light source equipment before being rotated that illustrates according to the embodiment of the invention;
Fig. 3 is the perspective view of led light source equipment during being rotated that illustrates according to the embodiment of the invention;
Fig. 4 is the sectional view of led light source equipment during being rotated that illustrates according to the embodiment of the invention;
Fig. 5 is the perspective view of led light source equipment after being rotated that illustrates according to the embodiment of the invention; And
Fig. 6 is the sectional view of led light source equipment after being rotated that illustrates according to the embodiment of the invention.
It will be appreciated by those skilled in the art that in the accompanying drawing element only for simple and clear for the purpose of and illustrate, and be not necessarily to draw in proportion.For example, some size of component possibly amplified with respect to other element in the accompanying drawing, so that help to improve the understanding to the embodiment of the invention.
The specific embodiment
To combine accompanying drawing that example embodiment of the present invention is described hereinafter.In order to know and for simplicity, in specification, not describe all characteristics of actual embodiment.Yet; Should understand; In the process of any this practical embodiments of exploitation, must make a lot of decisions, so that realize developer's objectives, for example specific to embodiment; Meet and system and professional those relevant restrictive conditions, and these restrictive conditions may change along with the difference of embodiment to some extent.In addition, might be very complicated and time-consuming though will also be appreciated that development, concerning the those skilled in the art that have benefited from present disclosure, this development only is customary task.Those skilled in the art can find further embodiment of the present invention under the situation of not paying creative work.
At this; What also need explain a bit is; For fear of having blured the present invention, only show in the accompanying drawings and closely-related apparatus structure of scheme according to the present invention and/or treatment step, and omitted other details little with relation of the present invention because of unnecessary details.
Describe led light source equipment with reference to the accompanying drawings in detail according to the embodiment of the invention.Led light source equipment according to the present invention can be high-power LED light source equipment.Further, led light source equipment according to the present invention can be LED flush type lighting apparatus or great power LED flush type lighting apparatus.
Fig. 1 is the perspective view of led light source equipment before being rotated that illustrates according to the embodiment of the invention, and Fig. 2 is the sectional view of led light source equipment before being rotated that illustrates according to the embodiment of the invention.
With reference to Fig. 1 and 2, comprise led module 1, radiator 2, housing 3 and heat transmission belt 4 according to the led light source equipment of the embodiment of the invention.Wherein, led module can be a high-power LED module.
Particularly, led module 1 is used to launch light.As shown in the figure, comprised a plurality of LED in the led module 1.Therefore, in the radiative while, led module 1 can generate a large amount of heat.Be apparent that to those skilled in the art, untimely if the heat that led module 1 generates is distributed, can have a strong impact on service life of LED.
In order to distribute the heat that led module 1 generates, led module 1 is installed on the radiator 2.So, radiator 2 had both distributed the heat that led module 1 generates, and was fixed to one another with led module 1 again.
Radiator 2 is contained within the housing 3.As shown in the figure, housing 3 can be used for the internal structure of led light source equipment and external environment condition isolated.Especially, housing 3 can be dispersed into the heat that led module 1 generates the outside of housing 3.
In order to realize the heat that led module 1 generates is dispersed into the outside of housing 3, between radiator 2 and housing 3, be provided with heat transmission belt 4.Radiator 2 contacts with heat transmission belt 4, and heat transmission belt 4 contacts with housing 3.So, radiator 2, heat transmission belt 4 and housing 3 have just formed heat dissipation channel, and the heat that effectively led module 1 is generated has been dispersed into the outside of housing 3.
When realizing heat dispersion,, be arranged to radiator 2 rotatable in order to adjust to the light output direction of led module 1.Because radiator 2 is fixed to one another with led module 1, so when radiator 2 was rotated, led module 1 also was rotated, thereby the light output direction of led module 1 is adjusted to the direction of expectation.
In other words, after the light output direction of led module 1 was adjusted to the direction of expectation, radiator 2 still kept in touch with heat transmission belt 4, and heat transmission belt 4 also keeps in touch with housing 3.So, radiator 2, heat transmission belt 4 and housing 3 still form heat dissipation channel, thereby the heat that effectively led module 1 is generated has been dispersed into the outside of housing 3.
In led light source equipment according to the embodiment of the invention; Both can adjust the light output direction of led module 1; Can form heat dissipation channel through radiator 2, heat transmission belt 4 and housing 3 again and be dispersed into the outside of housing 3, thereby realize the technique effect of expectation with the heat that led module 1 is generated.
Those skilled in the art can will be appreciated that, exist multiple mode to realize above-described led light source equipment according to the embodiment of the invention.Describe led light source equipment according to a preferred embodiment of the invention with reference to the accompanying drawings in detail.
Still with reference to Fig. 1 and 2, the radiator 2 in the led light source equipment according to a preferred embodiment of the invention has curved surface 5.As stated, radiator 2 is used to distribute the heat that led module 1 generates.Radiator 2 keeps contacting with heat transmission belt 4 through curved surface 5 before being rotated with afterwards.Curved surface 5 has increased the area of dissipation of radiator 2.
According to a preferred embodiment of the invention, have under the situation of curved surface 5 preferably the having and surface 5 corresponding to curved surfaces of heat transmission belt 4 and housing 3 with heat transmission belt 4 contacted parts at radiator 2.This uniformity helps contacting between radiator 2 and the heat transmission belt 4 and between heat transmission belt 4 and the housing 3.
Preferably, led light source equipment according to the present invention further comprises fixed part.The purpose that fixed part is set is in order to be rotated at radiator 2 before and afterwards radiator 2 to be fixed, so that radiator 2 is pressed to heat transmission belt 4 and closely contacted with heat transmission belt 4.Tight between radiator 2 and the heat transmission belt 4 contact and thing followed heat transmission belt 4 and housing 3 between tight the contact help the heat that led module 1 generates and transmit via radiator 2, heat transmission belt 4 and housing 3, thereby strengthened the heat dispersion of led light source equipment.
With reference to Fig. 1 and 2, the fixed part that comprises in the led light source equipment according to a preferred embodiment of the invention can comprise bolt 6.When bolt 6 was locked on housing 3, bolt 6 can make radiator 2 press to heat transmission belt 4 and closely contact with heat transmission belt 4.
As shown in the figure, the number of bolt 6 can be two, to increase radiator 2 is carried out reliability of fixation.
Further, the fixed part that comprises in according to a preferred embodiment of the invention the led light source equipment can also comprise flexible member and support portion.Flexible member can be installed on the bolt 6, and the support portion then can be installed on the bolt 6 and be rotatably connected to the central shaft 8 of radiator 2 around its rotation.When bolt 6 was locked on housing 3, flexible member can be pushed in the support portion.Because the support portion is connected to the central shaft 8 of radiator 2,, the support portion closely contacts with heat transmission belt 4 so can driving radiator 2 at this moment.On the other hand, when bolt 6 unclamped on housing 3, the flexible member that is pressed can flick the support portion.Because the support portion is connected to the central shaft 8 of radiator 2,, the support portion separates with heat transmission belt 4 so can driving radiator 2 at this moment.Under radiator 2 and the not contacted situation of heat transmission belt 4, radiator 2 is rotated around central shaft 8.Because radiator 2 is fixed to one another with led module 1, so when radiator 2 was rotated, led module 1 also was rotated, thereby the light output direction of led module 1 is adjusted to the direction of expectation.
As illustrated in fig. 1 and 2, aforesaid flexible member can comprise spring 7, as long as it can provide enough elasticity.The support portion then can comprise metal frame 9, as long as it can provide enough intensity.
With reference to Fig. 1 and 2 embodiments of the invention are described above.For the details of the change of the light output direction that further describes led module 1, below with reference to figure 3-6 led light source equipment is according to a preferred embodiment of the invention described.
Fig. 3 is the perspective view of led light source equipment during being rotated that illustrates according to the embodiment of the invention; Fig. 4 is the sectional view of led light source equipment during being rotated that illustrates according to the embodiment of the invention; Fig. 5 is the perspective view of led light source equipment after being rotated that illustrates according to the embodiment of the invention, and Fig. 6 is the sectional view of led light source equipment after being rotated that illustrates according to the embodiment of the invention.
At first look back Fig. 1 and 2, before being rotated, bolt 6 is locked on housing 3 according to the led light source equipment of the embodiment of the invention.Because bolt 6 lockings, so the metal frame 9 that is installed on the bolt 6 descends.Metal frame 9 is by pressing spring 7 and make spring 7 compressions.Because metal frame 9 is connected to the central shaft 8 of radiator 2,, the decline of metal frame 9 descends so can driving radiator 2.When radiator 2 descended, the curved surface 5 of radiator 2 was pressed to heat transmission belt 4 and is closely contacted with heat transmission belt 4.Tight between radiator 2 and the heat transmission belt 4 contact and thing followed heat transmission belt 4 and housing 3 between tight the contact help the heat that led module 1 generates and transmit via radiator 2, heat transmission belt 4 and housing 3, thereby strengthened the heat dispersion of led light source equipment.
The light output direction of mounted LEDs module 1 is vertical on the radiator 2 as illustrated in fig. 1 and 2.When needs are adjusted the light output direction of led module 1, carry out the operation shown in Fig. 3-6.
Shown in Fig. 3 and 4, at first, the bolt 6 of locking is unclamped from housing 3.At this moment, the spring of being pushed by metal frame 97 can be upspring metal frame 9.Because metal frame 9 is connected to the central shaft 8 of radiator 2, so upspringing of metal frame 9 can drive radiator 2 risings.The rising of radiator 2 makes radiator 2 separate with heat transmission belt 4 and forms space 10.Under radiator 2 and the not contacted situation of heat transmission belt 4, radiator 2 is rotated around central shaft 8.Because radiator 2 is fixed to one another with led module 1, so when radiator 2 was rotated, led module 1 also was rotated, thereby the light output direction of led module 1 is adjusted to the direction of expectation.
As illustrated in Figures 5 and 6, after the light output direction of led module 1 is adjusted to the direction of expectation, metal frame 9 levels are depressed, and once more bolt 6 is locked on housing 3.Because metal frame 9 is connected to the central shaft 8 of radiator 2,, the decline of metal frame 9 descends so can driving radiator 2.When radiator 2 descended, the curved surface 5 of radiator 2 was pressed to heat transmission belt 4 and is closely contacted with heat transmission belt 4.Even the curved surface 5 of radiator 2 has guaranteed that radiator 2 has carried out rotation radiator 2 is closely contacted with heat transmission belt 4.Tight between radiator 2 and the heat transmission belt 4 contact and thing followed heat transmission belt 4 and housing 3 between tight the contact help the heat that led module 1 generates and transmit via radiator 2, heat transmission belt 4 and housing 3, thereby strengthened the heat dispersion of led light source equipment.
The light output direction of mounted LEDs module 1 is the incline direction of expectation on the radiator 2 as illustrated in Figures 5 and 6.
Table 1 show under 35 ℃ the environment temperature with the situation of 350mA constant current driven under, have conventional fixed structure, conventional rotational structure respectively and according to an example of the actual test result of the led light source equipment of rotation heat spreader structures of the present invention.
Table 1
Numbering Structure is described Temperature Heat dispersion Optical demands
1 Conventional fixed structure 99℃ Well Can not realize
2 Conventional rotational structure Surpass maximum permissible value Difference Can realize
3 The rotation heat spreader structures 100℃ Well Can realize
Example from table 1 can be found out, both can realize good performance of heat dissipation according to the led light source equipment of the embodiment of the invention, can realize the optical demands that light output direction is adjusted again.
Though more than combine accompanying drawing to describe embodiments of the invention in detail, should be understood that top described embodiment just is used to explain the present invention, and be not construed as limiting the invention.For a person skilled in the art, can make various modifications and change to above-mentioned embodiment and do not deviate from essence of the present invention and scope.Therefore, scope of the present invention is only limited appended claim and equivalents thereof.

Claims (9)

1. LED source equipment comprises:
Light-emitting diode (LED) module, it is used to launch light;
Radiator is installed said light-emitting diode (LED) module on said radiator, be used to distribute the heat that is generated by said light-emitting diode (LED) module;
Housing, it holds said radiator, is used for the heat that said light-emitting diode (LED) module generates is dispersed into the outside of said housing; And
Heat transmission belt, it is arranged between said radiator and the said housing, and contacts with said radiator and said housing so that the heat that said light-emitting diode (LED) module is generated from said heat sink to said housing,
Wherein, said radiator is rotated to adjust the light output direction of said light-emitting diode (LED) module.
2. LED source equipment according to claim 1, wherein, said radiator has curved surface, is used for before said radiator is rotated, contacting with said heat transmission belt with keeping afterwards.
3. LED source equipment according to claim 2; Wherein, Having and the corresponding to curved surface of the curved surface of said radiator with the contacted part of said heat transmission belt of said heat transmission belt and said housing is so that contact between said radiator and the said heat transmission belt and between said heat transmission belt and the said housing.
4. LED source equipment according to claim 1; Further comprise fixed part; This fixed part is used for before said radiator is rotated and afterwards said radiator is fixed, so that said radiator is pressed to said heat transmission belt and closely contacted with said heat transmission belt.
5. LED source equipment according to claim 4; Wherein, Said fixed part comprises at least one bolt, and when said at least one bolt was locked on said housing, said at least one bolt made said radiator press to said heat transmission belt and closely contact with said heat transmission belt.
6. LED source equipment according to claim 5, wherein, the number of said bolt is two.
7. LED source equipment according to claim 6, wherein, said fixed part further comprises:
Flexible member, it is installed at least one in the said bolt; And
The support portion, it is installed on said at least one bolt and is rotatably connected to the central shaft of said radiator around its rotation,
Wherein when said at least one bolt was locked on said housing, said support portion was pushed said flexible member and is driven said radiator and closely contacts with said heat transmission belt, and
Wherein when said at least one bolt unclamped on said housing, said flexible member flicked said support portion and drives said radiator and separates with said heat transmission belt, so that said radiator is rotated around said central shaft.
8. LED source equipment according to claim 7, wherein, said flexible member comprises spring.
9. LED source equipment according to claim 7, wherein, said support portion comprises metal frame.
CN2010102705259A 2010-08-30 2010-08-30 Rotary radiator structure for light-emitting diode light source device Pending CN102384370A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2010102705259A CN102384370A (en) 2010-08-30 2010-08-30 Rotary radiator structure for light-emitting diode light source device
PCT/EP2011/063401 WO2012028410A1 (en) 2010-08-30 2011-08-03 Rotated heat sink structure for light emitting diode luminaire apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102705259A CN102384370A (en) 2010-08-30 2010-08-30 Rotary radiator structure for light-emitting diode light source device

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Publication Number Publication Date
CN102384370A true CN102384370A (en) 2012-03-21

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WO (1) WO2012028410A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN104848156A (en) * 2015-05-19 2015-08-19 缙云县工拓机械设备有限公司 LED pillar lamp with twinkling indication function and use method thereof

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
GB201313819D0 (en) * 2013-08-01 2013-09-18 Scolmore Int Ltd Light Fitting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1706666A4 (en) * 2003-12-16 2007-03-28 1662801 Ontario Inc Lighting assembly, heat sink and heat recovery system therefor
DE102007056280B3 (en) * 2007-11-22 2009-07-02 Yu Ming Co., Ltd. Lamp for vehicle, has lamp seat which is movable in compartment of coupling seat to compress elastic element and allows pivoting to another angular position relative to coupling seat
DE102008007647A1 (en) * 2008-02-06 2009-08-13 Zumtobel Lighting Gmbh LED light with adjustable light source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848156A (en) * 2015-05-19 2015-08-19 缙云县工拓机械设备有限公司 LED pillar lamp with twinkling indication function and use method thereof
CN104848156B (en) * 2015-05-19 2018-06-05 缙云县工拓机械设备有限公司 LED post lamps and its application method with flicker instruction

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Application publication date: 20120321