CN102374391A - LED (Light-Emitting Diode) lamp - Google Patents

LED (Light-Emitting Diode) lamp Download PDF

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Publication number
CN102374391A
CN102374391A CN2010102482250A CN201010248225A CN102374391A CN 102374391 A CN102374391 A CN 102374391A CN 2010102482250 A CN2010102482250 A CN 2010102482250A CN 201010248225 A CN201010248225 A CN 201010248225A CN 102374391 A CN102374391 A CN 102374391A
Authority
CN
China
Prior art keywords
radiator
led lamp
drive circuit
light
emitting diode
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
CN2010102482250A
Other languages
Chinese (zh)
Inventor
吕英杰
江国丰
黄正杰
罗国萌
卢建廷
陈昱树
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.)
Foxsemicon Integrated Technology Shanghai Inc
Foxsemicon Integrated Technology Inc
Original Assignee
Foxsemicon Integrated Technology Shanghai Inc
Foxsemicon Integrated Technology Inc
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 Foxsemicon Integrated Technology Shanghai Inc, Foxsemicon Integrated Technology Inc filed Critical Foxsemicon Integrated Technology Shanghai Inc
Priority to CN2010102482250A priority Critical patent/CN102374391A/en
Publication of CN102374391A publication Critical patent/CN102374391A/en
Pending legal-status Critical Current

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

Abstract

The invention relates to an LED (Light-Emitting Diode) lamp, which comprises a radiator, an LED element, a driving-circuit module, an insulating sleeve, an electrical joint and an insulating washer, wherein the LED element is stuck on the radiator, the driving-circuit module is contained in the radiator, the insulating sleeve is contained in the radiator and sleeved at the periphery of the driving-circuit module, the electrical joint is electrically connected with the driving-circuit module, and the insulating washer is clamped between the radiator and the electrical joint. Compared with the prior art, the driving-circuit module is coated by the insulating sleeve, and the insulating washer is clamped between the radiator and the electrical joint, so that the generation of the electricity-leakage or short-circuit situation of the driving-circuit module can be effectively avoided. Compared with the insulating washer, insulating glue is filled around the driving-circuit module in the sleeve, so that the whole LED lamp also has the advantages of easiness for operation, convenience in use, lighter weight and lower cost.

Description

Led lamp
Technical field
The present invention relates to a kind of lighting device, relate in particular to a kind of led lamp.
Background technology
Therefore advantages such as light emitting diode (LED) element has that volume is little, efficient is high, not mercurous and life-span is long can replace existing fluorescent lamp or incandescent lamp, reduce the consumption and the emission amount of carbon dioxide of the energy.But light-emitting diode can produce a large amount of heat when work, and the light-emitting diode in the led lamp can be arranged on the radiator to guarantee its operate as normal usually.
Existing led lamp comprises that a light emitting source and is used for providing the drive circuit die set of driving voltage to this light emitting source.Usually in the normal operation of this drive circuit die set, unavoidably produce electric leakage or unnecessary conduction situation and destroy the operating environment of light fixture.In order to address this problem, around electronic component, to fill insulating cement so that electronic component is coated usually, thereby avoid the situation of electric leakage or short circuit to produce.Will cause whole light fixture weight significantly to increase yet fill insulating cement, and increase the unit cost of whole lamp.
Summary of the invention
In view of this, be necessary the led lamp that provides a kind of insulating properties preferable.
A kind of led lamp, an electrical joint that comprise a radiator, be attached at a light-emitting diode on this radiator, be placed in one drive circuit module in this radiator, be placed in the radiator and be sheathed on the peripheral insulating sleeve of drive circuit die set, electrically connects with said drive circuit die set and be placed in radiator and electrical joint between an insulating washer.
Compared with prior art, coat drive circuit die set, and said insulating washer is placed in radiator with electrically between the joint, can effectively avoids the situation generation of drive circuit die set electric leakage or short circuit by said insulating sleeve.This sleeve and insulating washer be than filling insulating cement around the drive circuit die set, make whole led lamp also have easy operation, easy to use, weight is light and the lower advantage of cost.
With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further description.
Description of drawings
Fig. 1 is the three-dimensional assembly diagram of the led lamp of one embodiment of the invention.
Fig. 2 is the element exploded view of the led lamp among Fig. 1.
Fig. 3 is the part cross-sectional schematic of the led lamp among Fig. 1.
The main element symbol description
Radiator 10
Substrate 12
Installation portion 120
Through hole 122
Radiating fin 14
Light-emitting diode 20
Drive circuit die set 30
Sleeve 40
Electrical joint 50
Insulating washer 60
Lampshade 70
The specific embodiment
See also Fig. 1 and Fig. 2, the led lamp of one embodiment of the invention comprises a radiator 10, be attached at a light-emitting diode 20 on this radiator 10, be placed in one drive circuit module 30 in the radiator 10, be placed in the radiator 10 and be sheathed on the peripheral insulating sleeve 40 of drive circuit die set 30, be installed on said radiator 10 an end and and the electrical joint 50 that electrically connects of said drive circuit die set 30 and be placed in radiator 10 and electrical joint 50 between an insulating washer 60.
Please consult Fig. 3 simultaneously, above-mentioned radiator 10 adopts high heat conduction and electrically insulating material to be made into integration, like ceramic material.Preferably, said ceramic material is selected from any or wherein several kinds the combination in aluminium oxide, silica, titanium dioxide, zirconia, yittrium oxide, calcium phosphate, silicon nitride, aluminium nitride, titanium nitride, boron nitride, graphite and the tungsten carbide.The cylindrical shell (indicating) of the lengthwise that this radiator 10 comprises a substrate 12, protrude out downwards from substrate 12 bottom one and the some radiating fins 14 that extend from the outside one of cylindrical shell outer peripheral edges.The end face of said substrate 12 middle part is recessed to form a rounding frustum installation portion 120 downwards, supplies said light-emitting diode 20 ccontaining in it.Said radiator 10 is in order to can be formed directly in the circuit that is electrically connected with light-emitting diode 20 on the surface that posts light-emitting diode 20.Said radiating fin 14 is radial even, setting at interval around said cylindrical shell, and all links to each other with the bottom surface one of substrate 12.Said cylindrical shell is a hollow structure, is contained in the said cylindrical shell for drive circuit die set 30, thereby reduces the volume of whole led lamp.This drive circuit die set 30 is electrically connected with said light-emitting diode 20 each other, is used to light-emitting diode 20 driving voltage is provided.Also be formed with on the installation portion 120 of said substrate 12 two run through said substrate 12 through hole 122, pass and be electrically connected for the lead of light emitting diode 20 with drive circuit die set 30.Said led lamp comprises that also an arch hollow lampshade 70 lids place on the said substrate 12, to cooperate the said light-emitting diode 20 of encapsulation with said installation portion 120.
In the present embodiment, the quantity of said light-emitting diode 20 is one.Be appreciated that ground, the quantity of light-emitting diode 20 is not limited to the quantity in the present embodiment.
Said sleeve 40 is the hollow tube-shape body that is made into integration by insulating materials.This sleeve 40 is contained in the cylindrical shell of said radiator 10, and is set in the periphery of drive circuit die set 30, avoids the situation of electric leakage or short circuit to produce.In the present embodiment, the bottom of this sleeve 40 is against on the said electrical joint 50, and the top is against substrate 12 bottom surfaces of said radiator 10.The material of this sleeve 40 can be done different selecting for use and adjusting to demand with shape, as long as it has drive circuit die set 30 peripheries that effect non-conductive, insulation promptly can be used for coating led lamp.In addition, preferably, said drive circuit die set 30 is a buckle-type circuit module, with the assembling that matches of convenient and electrical joint 50.
Said electrical joint 50 is the electrical connector of a standard, and it is installed on the bottom of said radiator 10, in order to electrically connecting with external power source (figure do not show), and then to drive circuit die set 30 and light-emitting diode 20 electric power is provided.
Said insulating washer 60 is made into integration by insulating materials; It is placed between radiator 10 and the electrical joint 50; And be located on sleeve 40 peripheries in the cylindrical shell of radiator 10; The two is jointly around said drive circuit die set 30, to cooperate electrical joint 50 and drive circuit die set 30 and radiator 10 isolated insulation.
Compared with prior art, the sleeve of being processed by insulating materials 40 coats drive circuit die set 30, and said insulating washer 60 is placed in radiator 10 with electrically between the joint 50, can effectively avoid the situation generation of drive circuit die set 30 electric leakages or short circuit.This sleeve 40 and insulating washer 60 be than filling insulating cement around drive circuit die set 30, make whole led lamp also have easy operation, easy to use, weight is light and the lower advantage of cost.
Be appreciated that ground, for the person of ordinary skill of the art, can make change and the distortion that other various pictures are answered by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.

Claims (10)

1. led lamp is characterized in that: the electrical joint that this led lamp comprises a radiator, be attached at a light-emitting diode on this radiator, be placed in one drive circuit module in this radiator, be placed in the radiator and be sheathed on the peripheral insulating sleeve of drive circuit die set, electrically connect with said drive circuit die set and be placed in radiator and electrical joint between an insulating washer.
2. led lamp as claimed in claim 1 is characterized in that: said insulating washer is located on the insulating sleeve periphery, and the two is jointly around said drive circuit die set.
3. led lamp as claimed in claim 1 is characterized in that: the cylindrical shell of the lengthwise that said radiator comprises a substrate, protrude out downwards from the base plate bottom one and the some radiating fins that extend from the outside one of cylindrical shell outer peripheral edges.
4. led lamp as claimed in claim 3 is characterized in that: said radiating fin is radial setting around cylindrical shell.
5. led lamp as claimed in claim 3 is characterized in that: the end face of said substrate middle part is recessed to form a rounding frustum installation portion downwards, supplies said light-emitting diode ccontaining in it.
6. led lamp as claimed in claim 5 is characterized in that: said led lamp comprises that also an arch hollow lamp cover places on the said substrate, to cooperate the said light-emitting diode of encapsulation with said installation portion.
7. led lamp as claimed in claim 3 is characterized in that: said drive circuit die set and insulating sleeve are contained in the cylindrical shell of said radiator jointly.
8. led lamp as claimed in claim 1 is characterized in that: said drive circuit die set is a buckle-type circuit module, and the assembling that matches with electrical joint.
9. led lamp as claimed in claim 1; It is characterized in that: said radiator is made into integration by ceramic material, and said ceramic material is selected from any or wherein several kinds the combination in aluminium oxide, silica, titanium dioxide, zirconia, yittrium oxide, calcium phosphate, silicon nitride, aluminium nitride, titanium nitride, boron nitride, graphite and the tungsten carbide.
10. led lamp as claimed in claim 1 is characterized in that: said radiator is in order to be formed with the circuit that is electrically connected with light-emitting diode on the surface that posts light-emitting diode.
CN2010102482250A 2010-08-09 2010-08-09 LED (Light-Emitting Diode) lamp Pending CN102374391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102482250A CN102374391A (en) 2010-08-09 2010-08-09 LED (Light-Emitting Diode) lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102482250A CN102374391A (en) 2010-08-09 2010-08-09 LED (Light-Emitting Diode) lamp

Publications (1)

Publication Number Publication Date
CN102374391A true CN102374391A (en) 2012-03-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102482250A Pending CN102374391A (en) 2010-08-09 2010-08-09 LED (Light-Emitting Diode) lamp

Country Status (1)

Country Link
CN (1) CN102374391A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103968278A (en) * 2013-01-29 2014-08-06 吴铭远 Modular LED lamp structure
CN109899693A (en) * 2019-03-21 2019-06-18 苏州源泽光电科技集团有限公司 Prevent the LED lamp of electric leakage
CN109899723A (en) * 2019-03-21 2019-06-18 苏州源泽光电科技集团有限公司 A kind of ceramic heat-dissipating LED downlight

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103968278A (en) * 2013-01-29 2014-08-06 吴铭远 Modular LED lamp structure
CN109899693A (en) * 2019-03-21 2019-06-18 苏州源泽光电科技集团有限公司 Prevent the LED lamp of electric leakage
CN109899723A (en) * 2019-03-21 2019-06-18 苏州源泽光电科技集团有限公司 A kind of ceramic heat-dissipating LED downlight

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120314

WD01 Invention patent application deemed withdrawn after publication