CN202281200U - Radiator and lighting device with such radiator structure - Google Patents

Radiator and lighting device with such radiator structure Download PDF

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Publication number
CN202281200U
CN202281200U CN2011204244810U CN201120424481U CN202281200U CN 202281200 U CN202281200 U CN 202281200U CN 2011204244810 U CN2011204244810 U CN 2011204244810U CN 201120424481 U CN201120424481 U CN 201120424481U CN 202281200 U CN202281200 U CN 202281200U
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CN
China
Prior art keywords
radiator
louvre
cooling base
radiation tooth
ellipses
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.)
Expired - Lifetime
Application number
CN2011204244810U
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Chinese (zh)
Inventor
黄硕
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.)
SHENZHEN DIANMING TECHNOLOGY CO., LTD.
Original Assignee
SHENZHEN DIANMING SCI & TECH Co Ltd
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 SHENZHEN DIANMING SCI & TECH Co Ltd filed Critical SHENZHEN DIANMING SCI & TECH Co Ltd
Priority to CN2011204244810U priority Critical patent/CN202281200U/en
Application granted granted Critical
Publication of CN202281200U publication Critical patent/CN202281200U/en
Priority to PCT/CN2012/079122 priority patent/WO2013063963A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • 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 utility model is applicable to the technical field of an LED (Light Emitting Diode), and provides a radiator. The radiator comprises a radiating base and radiating teeth, wherein the radiating base is columnar; the radiating teeth are arranged extending in the radial direction along the outer wall around the first surface of the radiating base; the edges of the radiating teeth have a closed structure; and the radiating teeth are provided with a plurality of radiating holes. By using the technical scheme provided by the utility model, the radiator has the advantages of small volume, no shielding of backward light, attractive appearance, simple structure, safety and convenience in use, good radiating effect and excellent practicability.

Description

Radiator and have the lighting device of this heat spreader structures
Technical field
The utility model belongs to the LED technical field, relates in particular to a kind of radiator and has the lighting device of this heat spreader structures.
Background technology
Along with the development and the national support on policy to relevant energy-conserving product of technology, the application of LED lamp also more and more widely.Yet,,, have a strong impact on the service life of LED if these heats can not in time distribute because high-power LED lamp can produce great amount of heat when work.Such as the LED bulb lamp, adopting under the situation of natural heat dissipation, radiator often needs very big volume, and is under the long-pending restriction of whole lamp body, very unfavorable on the global design of lamp and cost.Therefore, how under the situation that guarantees efficiently radiates heat, reduce the radiator volume, more light design space is provided, become the technical barrier that each producer need solve.
LED bulb lamp radiator major part all is to realize heat radiation through face type radiation tooth now; Fig. 1 is the structural representation of the LED lamp radiator of prior art; The face shape radiation tooth 1 of radiator at first forms through the aluminium extruded type face, and then is shaped through the machining in later stage, and LED bulb 2 is arranged in the middle of the radiation tooth 1; The structure of prior art LED radiator; Existence is with next problem: radiator need occupy the volume of the whole lamp overwhelming majority, and space availability ratio is low for the ball bubble light source of limited volume, makes function receive bigger restriction.Simultaneously, the light to reflection of lamp rear portion and refraction is blocked in the radiator cross section too greatly.Intensive radiation tooth, the permanent use, dust accretions is unfavorable for cleaning.The radiator outward appearance is coarse simultaneously, and sharp-pointed radiation tooth possibly cause safety problem.
The utility model content
The purpose of the utility model is to provide a kind of radiator, and it is excessive to be intended to solve existing LED bulb lamp light source radiating device volume, and radiating efficiency is not high, blocks light backward.Be difficult for cleaning, the radiator wedge angle is sharp, the problem that security is relatively poor.
The utility model is to realize like this; A kind of radiator; Comprise radiation tooth and cooling base, said cooling base is a column, and outer wall radially extends setting around the first surface of the said cooling base in said radiation tooth edge; Its radiation tooth edge is an enclosed construction, and a plurality of louvres are set on the said radiation tooth.
More excellent, said radiation tooth to the distance of central shaft along its radially bearing of trend increase gradually.
More excellent, said radiation tooth is an one die casting moulding structure.
More excellent, said louvre comprises first louvre and second louvre, the adjacent setting with second louvre of said first louvre.
More excellent; Said radiation tooth comprises at least three ellipses; Two ellipses of space are mutually circumscribed along common tangent with said adjacent ellipses shape inside between two ellipses, and said first louvre and second louvre are formed by at least three ellipses alternately.
Around the outer wall of said cooling base first surface, radially extend the joint portion that is provided for installing lampshade, the end face protrusion of said joint portion is arranged at the first surface of said cooling base, and the internal diameter of said joint portion is slightly larger than the diameter of said cooling base.
More excellent, radiator also is provided with the insulator spacer mounting structure along the second surface of said cooling base, and said insulator spacer mounting structure is a draw-in groove.
More excellent, said cooling base is provided with first locating hole, second locating hole, wire guide.
Another purpose of the utility model is to provide a kind of lighting device; Said lighting device comprises radiator, lamp holder and insulator spacer and aluminium base; Said insulator spacer one end is plugged in the said draw-in groove, and said insulator spacer other end surface is provided with the screw thread that matches with said lamp holder, and said lamp holder is fixedly connected through insulator spacer with radiator; Said aluminium base is provided with and is fixedly connected said radiator, and said radiator is aforesaid radiator.
More excellent, said lighting device also comprises lampshade, said lampshade and said radiator are fastenedly connected through the joint portion that is arranged on the radiator.
More excellent, said lighting device is a LED bulb lamp device.
Technical scheme disclosed in the utility model effectively solving under the situation of high-powered LED lamp heat radiation, has reduced the radiator volume, has increased the light design space.Solved the problem that radiator blocks the rear portion bright dipping simultaneously, made whole lamp lighting angle bigger.Add its enclosed bar shaped fansink designs, when solving the dust cleaning, more solved the sharp-pointed potential safety hazard that water caltrop brought of radiator itself.And the radiator outward appearance that the utility model provides is better appearance also.
Description of drawings
Fig. 1 is the LED heat spreader structures sketch map that this prior art provides;
Fig. 2 is the heat spreader structures sketch map that the utility model embodiment is provided;
Fig. 3 is the cutaway view of Fig. 2;
Fig. 4 is the illuminator structure sketch map that the utility model embodiment is provided.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 2 and Fig. 3.The heat spreader structures sketch map that Fig. 2 is provided for the utility model embodiment, Fig. 3 are the cutaway view of Fig. 2, for the ease of explanation, only show the part relevant with present embodiment.
The disclosed a kind of radiator of present embodiment comprises radiation tooth 1 and cooling base 7.Cooling base 7 is a column, and its cross section is rounded, and cooling base 7 is provided with first locating hole 2, and is when radiator and insulator spacer are used, fastening with carrying out between radiator and the insulator spacer through first locating hole 2.Second locating hole 6 also is set on the cooling base is used to connect aluminium base and radiator, fill both slits realization heat conduction through under aluminium base, pasting one deck heat conductive silica gel or silicone grease pad.On the good importing radiator of the heat on the aluminium base.Further; Cooling base 7 upper conductor holes 4; When radiator and insulator spacer were used, the power drives line that is installed in the insulator spacer was connected on the aluminium base through wire guide 4, and radiation tooth 1 outer wall around the first surface of cooling base 7 radially extends setting; Its radiation tooth 1 edge is an enclosed construction, and a plurality of first louvres 101 and second louvre 102 are set on the radiation tooth 1.First louvre 101 and the 102 adjacent settings of second louvre.Radiation tooth 1 to the distance of cooling base 7 central shafts along its radially bearing of trend increase gradually.
Radiation tooth 1 comprises at least three ellipses, two ellipses of space and said adjacent ellipses shape inside between two ellipses tangent along common tangent, first louvre 101 and second louvre 102 are formed by at least three ellipses alternately.In the present embodiment, 6 mutual ellipses preferably are set on radiation tooth.The global shape of radiation tooth 1 is gaily decorated basket shape.And radiation tooth 1 adopts the casting compression technology one-body molded.
Around the outer wall of cooling base 7 first surfaces, radially extend the joint portion 5 that is provided for installing lampshade, the end face protrusion of joint portion 5 is arranged at the first surface of cooling base 7, and the internal diameter of joint portion 5 is slightly larger than the diameter of said cooling base 7.
Second surface along cooling base 7 is provided with insulator spacer mounting structure 8, and insulator spacer mounting structure 8 is a draw-in groove usually.
Radiator in the present embodiment and LED lamp are used, and the LED lamp is installed on the aluminium base, and aluminium base is fixed on the cooling base of radiator, and when the LED lamp was worked, the joint portion on it can be used for installing lampshade, breaks up processing to light.Make light soft evenly.Adopt helicitic texture to be connected between lampshade and the radiator, clean easily and change, also can adopt a glue bond connection simultaneously, adapt to glass lamp shade etc.
Radiation tooth 1 is a hollow out formula structure, after penetrate light and can large tracts of land pass through.Solve most of common LED bulb lamp because the blocking of radiator, it is unglazed the lamp rear portion to occur, causes background dark excessively, positive bright excessively dazzling situation.Simultaneously, radiation tooth 1 cross section trends towards ellipse, and outward appearance is simple, and is convenient for cleaning.Entire radiator does not have wedge angle, has guaranteed the security of using and installing.
See also Fig. 4, the illuminator structure exploded view for the utility model embodiment is provided for the ease of explanation, only shows the part relevant with present embodiment.
Lighting device disclosed in the utility model comprises lamp holder A, insulator spacer B, radiator C, aluminium base D, and wherein the structure of radiator C was described in detail in a last embodiment, repeated no more here.Insulator spacer B one end is plugged in the draw-in groove of radiator C, and other end surface is provided with the screw thread that matches with lamp holder A, and lamp holder A is fixedly connected through insulator spacer B with radiator C, and aluminium base D is fixedly connected radiator through second locating hole 6.
During actual the use, the LED lamp is installed on the aluminium base, for better illuminating effect is arranged, also in order to protect the LED lamp, prolongs its service life, also a lampshade E can be set on lighting device.Lampshade E and radiator C are fastenedly connected through the joint portion that is arranged on the radiator, such as can connecting through the some glue bond through being threaded, can also adopt other modes to connect certainly.。
Adopt the disclosed technical scheme of the utility model; Under the enough radiating conditions that satisfied LED bulb lamp needs; Having broken away from the traditional heat-dissipating device, to occupy the long-pending ratio of whole lamp body excessive; Shading, outward appearance wedge angle are sharp keen, and back mechanical treatment is complicated or the like, for the better light design of light illumination product provides powerful support.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims (10)

1. a radiator comprises cooling base and radiation tooth, it is characterized in that; Said cooling base is a column; Outer wall radially extends setting around the first surface of the said cooling base in said radiation tooth edge, and its radiation tooth edge is an enclosed construction, and a plurality of louvres are set on the said radiation tooth.
2. radiator as claimed in claim 1 is characterized in that, said radiation tooth to the distance of central shaft along its radially bearing of trend increase gradually.
3. according to claim 1 or claim 2 radiator is characterized in that said radiation tooth is an one die casting moulding structure.
4. radiator as claimed in claim 3 is characterized in that, said louvre comprises first louvre and second louvre, the adjacent setting with second louvre of said first louvre.
5. radiator as claimed in claim 4; It is characterized in that; Said radiation tooth comprises at least three ellipses; Two ellipses of space are mutually circumscribed along common tangent with said adjacent ellipses shape inside between two ellipses, and said first louvre and second louvre are formed by at least three ellipses alternately.
6. like claim 1 or 4 or 5 described radiators; It is characterized in that; Around the outer wall of said cooling base first surface, radially extend the joint portion that is provided for installing lampshade; The end face protrusion of said joint portion is arranged at the first surface of said cooling base, and the internal diameter of said joint portion is slightly larger than the diameter of said cooling base.
7. radiator as claimed in claim 6 is characterized in that, radiator also is provided with the insulator spacer mounting structure along the second surface of said cooling base, and said insulator spacer mounting structure is a draw-in groove.
8. radiator as claimed in claim 7 is characterized in that, said cooling base is provided with first locating hole, second locating hole, wire guide.
9. lighting device; It is characterized in that said lighting device comprises radiator, lamp holder and insulator spacer and aluminium base, said insulator spacer one end is plugged in the said draw-in groove; Said insulator spacer other end surface is provided with the screw thread that matches with said lamp holder; Said lamp holder is fixedly connected through insulator spacer with radiator, and said aluminium base is provided with and is fixedly connected said radiator, and said radiator is any described radiator of claim 1-8.
10. lighting device as claimed in claim 9 is characterized in that said lighting device also comprises lampshade, and said lampshade and said radiator are fastenedly connected through the joint portion that is arranged on the radiator.
CN2011204244810U 2011-10-31 2011-10-31 Radiator and lighting device with such radiator structure Expired - Lifetime CN202281200U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011204244810U CN202281200U (en) 2011-10-31 2011-10-31 Radiator and lighting device with such radiator structure
PCT/CN2012/079122 WO2013063963A1 (en) 2011-10-31 2012-07-25 Heat sink and lighting device having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204244810U CN202281200U (en) 2011-10-31 2011-10-31 Radiator and lighting device with such radiator structure

Publications (1)

Publication Number Publication Date
CN202281200U true CN202281200U (en) 2012-06-20

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Application Number Title Priority Date Filing Date
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Country Status (2)

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CN (1) CN202281200U (en)
WO (1) WO2013063963A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013063963A1 (en) * 2011-10-31 2013-05-10 深圳市电明科技有限责任公司 Heat sink and lighting device having same
CN104864315A (en) * 2015-06-08 2015-08-26 河南巴拉斯光电科技有限公司 LED bulb lamp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201251153Y (en) * 2008-07-02 2009-06-03 宁翔科技股份有限公司 Heat radiation structure for LED lamp
JP2011181384A (en) * 2010-03-02 2011-09-15 Axia Co Ltd Lighting apparatus
JP4907726B2 (en) * 2010-04-19 2012-04-04 シャープ株式会社 Heat dissipation device and lighting device
CN201884978U (en) * 2010-09-29 2011-06-29 元品晶钻照明科技股份有限公司 Improved structure of LED bulb
CN202012866U (en) * 2011-01-18 2011-10-19 厦门立明光电有限公司 Anti-drop lamp holder with pawl in threaded connection
CN202281200U (en) * 2011-10-31 2012-06-20 深圳市电明科技有限责任公司 Radiator and lighting device with such radiator structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013063963A1 (en) * 2011-10-31 2013-05-10 深圳市电明科技有限责任公司 Heat sink and lighting device having same
CN104864315A (en) * 2015-06-08 2015-08-26 河南巴拉斯光电科技有限公司 LED bulb lamp

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Publication number Publication date
WO2013063963A1 (en) 2013-05-10

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 518101 D building, 1-5 floor, zone seventy-one, Xin'an street, Baoan District, Guangdong, Shenzhen

Patentee after: SHENZHEN DIANMING TECHNOLOGY CO., LTD.

Address before: 518057, building 2, Fifth Industrial Zone, Shennan hi tech park, Shennan Avenue, Shenzhen, Guangdong, Nanshan District

Patentee before: SHENZHEN DIANMING SCI & TECH CO., LTD.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120620