CN103618038A - LED support, LED lamp unit and lamp - Google Patents
LED support, LED lamp unit and lamp Download PDFInfo
- Publication number
- CN103618038A CN103618038A CN201310567147.4A CN201310567147A CN103618038A CN 103618038 A CN103618038 A CN 103618038A CN 201310567147 A CN201310567147 A CN 201310567147A CN 103618038 A CN103618038 A CN 103618038A
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- CN
- China
- Prior art keywords
- led
- die bond
- airflow tube
- bond face
- lamp
- 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.)
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Classifications
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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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- 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
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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
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
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- 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
- F21Y2101/00—Point-like light sources
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- 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]
Abstract
The invention discloses an LED support which comprises a fixed crystal face and at least one air flow tube which extends from one side of the fixed crystal face. The fixed crystal face and the air flowing tube are made of radiating materials. At least one LED chip is fixed on the other side of the fixed crystal face. In addition, the invention further discloses an LED lamp unit and a lamp based on the LED support. According to the LED support, the LED lamp unit and the lamp, the fixed crystal face is used for directly supporting the LED chip and the fixed crystal face and the air flow tube on the fixed crystal face can play a role in ventilation radiation, wherein the fixed crystal face and the air flow tube on the fixed crystal face are made of the radiating materials. Heat generated by the LED chip can be directly dissipated, thus other parts in the LED lamp can be totally omitted and an extra radiator is not needed.
Description
Technical field
The invention belongs to LED lighting technical field, particularly relate to a kind of LED support that carries LED chip, also relate to LED lamp unit and light fixture based on this support.
Background technology
LED(Light Emitting Diode, light-emitting diodes) chip is a kind of solid-state semiconductor device, and it can directly be converted into light electricity.The heart of LED chip is a semi-conductive wafer, and one end of wafer is attached on a support, and one end is negative pole, and the other end connects the positive pole of power supply, makes whole wafer by epoxy encapsulation.Semiconductor wafer is comprised of two parts, and a part is P type semiconductor, and the other end is N type semiconductor.When these two kinds of semiconductors couple together, between them, just form one " P-N knot ".When electric current acts on this wafer by wire, electronics will be pushed to electronics in ， P district, P district, with hole-recombination, then will send energy with the form of photon, the luminous principle of LED that Here it is.The LED light fixture that utilizes this principle and design is widely used.
LED chip can not directly be linked into energising in lamp body and be used, in prior art, all LED chip and heat sink etc. is encapsulated into LED support by colloid pedestal, thereby LED support is installed on radiator again and uses in all kinds of light fixtures after being welded on aluminium base, and this is well known to a person skilled in the art.LED light fixture for this form, luminous the produced caloric requirement of LED successively a plurality of links such as, heat-conducting silicone grease heat sink by LED, insulating barrier, aluminium base, heat-conducting silicone grease could finally be transmitted to radiator and dispels the heat, the hot obstruction of transmitting is many, path length, heat is difficult in time, effectively passes, finally cause shorten the useful life of LED, particularly, for high-power LED light fixture, this problem is more outstanding.
In addition, the LED lamp based on above-mentioned LED support is needing to drop into large number quipments and artificial during fabrication, manufactures, assembly technology is numerous and diverse, has that cost is high, the shortcoming of not environmental protection.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of LED support that self directly can dispel the heat, thereby can save the parts such as aluminium base, radiator and directly in LED light fixture, use, avoided the generation of thermal resistance completely.
The present invention also provides a kind of lamp unit and light fixture based on this LED support, this light fixture is due to without being equipped with the auxiliary equipments such as aluminium base, radiator, thereby have without thermal resistance, feature simple in structure, simultaneously, because production, the assembly technology of this lamp unit and light fixture can significantly be simplified, can save in a large number artificial and equipment, with respect to existing light fixture, have that materials are few, the feature of environmental protection.
The technical solution adopted for the present invention to solve the technical problems is:
A LED support, comprises die bond face and at least one airflow tube from the extended hollow of a side of die bond face, and described die bond face and airflow tube are made by heat sink material, and the opposite side of described die bond face is fixed with at least one LED chip.
As the improvement of technique scheme, described airflow tube is looped around the distribution of die bond face.
As the further improvement of technique scheme, described airflow tube and die bond face are integrated.
The present invention also provides a kind of LED lamp unit, and this LED lamp unit comprises above-mentioned any one LED support.
As the improvement of technique scheme, this LED lamp unit also comprises upper cover body and lower cover, and described upper cover body is fixedly connected with described airflow tube, and described lower cover is fixedly connected with described die bond face, and die bond face, airflow tube are fixed between upper cover body, lower cover.
As the further improvement of technique scheme, the described upper cover body part that is formed in one, and be provided with at an upper portion thereof lamp holder.
As the further improvement of technique scheme, be also included as the power supply of above-mentioned LED chip power supply, between described airflow tube, be formed with gap digit, described power supply is placed in described gap digit.
As the further improvement of technique scheme, the position that the bottom of described lower cover is positioned at LED chip is provided with lampshade or lens.
The present invention also provides a kind of LED light fixture, and this LED light fixture comprises a lamp housing, is provided with a plurality of above-described LED lamps unit in described lamp housing.
Adopt the advantage of LED support, LED lamp unit and the LED light fixture of technique scheme to be:
(1), the die bond face of this support, airflow tube all have heat sink material to make, and by stationary plane, carries LED chip, because airflow tube is the tubular structure of hollow, thereby has very large surface area, be conducive to the heat that LED chip comes out and distributed rapidly;
(2), because hot air rising, cold air decline, in airflow tube, there will be flowing of air-flow, thereby the heat of support load can be taken away rapidly;
(3), when one-body molded when airflow tube and die bond face, between airflow tube and die bond face, do not have contact heat resistance, do not there is better radiating effect;
(4), use this LED support, can save the auxiliary equipments such as aluminium base, radiator, directly in this support is arranged on lamp housing, as LED light fixture, use, due to without the too much generation of transmission link, avoided the generation of thermal resistance;
(5) the LED lamp unit, based on this LED support, light fixture are due to structural simplification, and production, assembly technology can greatly be simplified, and can greatly save human cost, meanwhile, have also reduced the consumption of material, more environmental protection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the LED support of the embodiment of the present invention;
Fig. 2 is the structural representation of another angle of LED support of the embodiment of the present invention;
Fig. 3 is the front view of the LED support of the embodiment of the present invention;
Fig. 4 is the upward view of the LED support of the embodiment of the present invention;
Fig. 5 is the front view of the LED light fixture of the embodiment of the present invention;
Fig. 6 is the structural representation of the LED light fixture of the embodiment of the present invention;
Fig. 7 is the structural representation of another angle of LED light fixture of the embodiment of the present invention;
Fig. 8 is the structure broken away view of the LED light fixture of the embodiment of the present invention;
Fig. 9 is the LED support of the embodiment of the present invention and the assembling schematic diagram of power supply;
Figure 10 is the LED support of the embodiment of the present invention and another assembling schematic diagram of power supply;
Figure 11 is the structural representation of the upper cover body of the embodiment of the present invention;
Figure 12 is the vertical view of the upper cover body of the embodiment of the present invention;
Figure 13 is the structural representation of the lower cover of the embodiment of the present invention;
Figure 14 is the front view of the lampshade of the embodiment of the present invention;
Figure 15 is the lampshade, lower cover of the embodiment of the present invention and the schematic diagram that coordinates of LED support;
Figure 16 is the structural representation of another embodiment of the present invention.
Embodiment
With reference to Fig. 1-4, the LED support of one embodiment of the invention, comprise die bond face 31 and from the airflow tube 32 of the extended a plurality of hollows of a side of die bond face 31, described die bond face 31 and airflow tube 32 are made by heat sink material, the opposite side of described die bond face 31 is fixed with a plurality of LED chips 5.
With reference to Fig. 1, Fig. 4, described airflow tube 32 is hollow tube, and airflow tube 32 inside offer the penetrating via 321 that runs through whole airflow tube 32 and die bond face 31.Penetrating via 321 the material usage that can reduce on the one hand airflow tube 32 is set, reduce weight and cost, can increase on the other hand the cooling surface area of airflow tube 32, contribute to air to flow through penetrating via 321 and take away heat.
In the present embodiment, described die bond face 31 and airflow tube 32 are fine aluminium or fine copper metalwork, can be also some other metals or the nonmetallic materials with heat sinking function.Described die bond face 31 and airflow tube 32 are integrated, and structural strength is high, are conducive to extend the useful life of whole LED support and improve the heat transference efficiency between die bond face 31 and airflow tube 32; Can also reduce installation step, ease of assembly on the other hand.
With reference to Fig. 5-8, LED support based on above-mentioned, the LED lamp unit of the embodiment of the present invention, comprise aforesaid LED support, also comprise upper cover body 1, lower cover 2, described upper cover body 1, lower cover 2 are fixedly connected with and die bond face 31, airflow tube 32 are fixed between upper cover body 1, lower cover 2 with described die bond face 31, airflow tube 32 respectively.
With reference to Figure 11, Figure 12, Figure 13, described upper cover body 1, lower cover 2 offer respectively upper through hole 11, the lower through-hole 21 being connected with above-mentioned penetrating via 321.
With reference to Figure 11, Figure 12, described upper cover body 1 part that is formed in one, above-mentioned upper through hole 11 is uniformly distributed in the circumferential outer of upper cover body 1 bottom, and its quantity and size are matched with the quantity and size of above-mentioned airflow tube 32.When assembling, the top of airflow tube 32 is inserted in described upper through hole 11 and with upper through hole 11 and is fixedly connected with, the mode being fixedly connected with can be passed through interference fit between the two, also can carry out adhesion by inorganic glue, and the top of upper cover body 1 is provided with for the lamp holder 12 of lamp holder is installed.Lamp holder 12 is provided with screw thread, thus can be easily by this LED lamp cellular installation in the lamp socket of other setting.
On described lower cover 2, offer screwing through hole 23, described die bond face 31 is provided with the screw fit hole 311 of matching with this screwing through hole 23, in described screwing through hole 23, screw fit hole 311, hold-down screw 7 is installed, described hold-down screw 7 is fixedly connected on by lower cover 2 lower through-hole 21 arranging on die bond face 31 bottoms and lower cover 2 and coordinates and be communicated with one by one with above-mentioned penetrating via 321.This kind of structure is fixedly connected with lower cover 2 with die bond face 31, the vent passages that simultaneously utilizes upper through hole 11, penetrating via 321, lower through-hole 21 to form dispels the heat, and heating when can fast LED chip 5 be worked is taken away rapidly.
With reference to Fig. 9, Figure 10, this kind of LED lamp unit is also included as the power supply 4 of above-mentioned LED chip 5 power supplies, between described airflow tube 32, formed gap digit 33, described power supply 4 is placed in described gap digit 33, and the P of LED chip 5, N the two poles of the earth are electrically connected by wire and power supply 4.
With reference to Figure 14, the bottom of described lower cover 2 is provided with lampshade 6, and this lampshade 6 covers on LED chip 5 wherein.Lampshade 6 can play scattering process to LED chip 5 luminous on the one hand, also can protect on the other hand LED chip 5 to exempt from destruction.
In the present embodiment, the quantity of LED chip 5 is at least 1, above-mentioned lampshade 6 is a hemispherical shell, lampshade 6 back-offs are in die bond face 31 lower surfaces and within making scope that LED chip 5 covers in lampshade 6, described lower cover 2 centers are provided with matches with lamp housing 6 and for by the fixing lampshade fixing hole 22 of lampshade 6, both fixed forms can be carried out adhesion by inorganic glue, also can be fixed by usual manners such as mutual fastenings.Herein can also mounted lens, so that light is redistributed.
Figure 16 is the structural representation of second embodiment of the invention, and embodiment 2 is that with the difference of above-described embodiment die bond face 31 is for square, and airflow tube 32 is uniformly distributed along the surrounding of die bond face 31, and other technical characterictic is constant.
The embodiment of the present invention also provides a kind of LED light fixture, and this LED light fixture comprises a lamp housing, is provided with a plurality of LED lamps unit, for example street lamp in described lamp housing.
It should be noted that; embodiment and accompanying drawing thereof are not that protection scope of the present invention is limited; in reality, implement in process of the present invention; can carry out suitable distortion according to different objective condition; for example the length of airflow tube 32 can be chosen different length as required; the cross section of airflow tube 32 can be the shape such as oval, square, circular, and the shape of die bond face 31 also can adopt other shapes such as ellipse, polygon.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (9)
1. a LED support, is characterized in that: comprise die bond face and at least one airflow tube from the extended hollow of a side of die bond face, described die bond face and airflow tube are made by heat sink material, and the opposite side of described die bond face is fixed with at least one LED chip.
2. LED support according to claim 1, is characterized in that: described airflow tube is looped around the distribution of die bond face.
3. LED support according to claim 1 and 2, is characterized in that: described airflow tube and die bond face are integrated.
4. a LED lamp unit, is characterized in that: comprise the LED support described in claim 1,2 or 3.
5. LED lamp according to claim 4 unit, it is characterized in that: also comprise upper cover body and lower cover, described upper cover body is fixedly connected with described airflow tube, and described lower cover is fixedly connected with described die bond face, and die bond face, airflow tube are fixed between upper cover body, lower cover.
6. LED lamp according to claim 5 unit, is characterized in that: the described upper cover body part that is formed in one, and be provided with at an upper portion thereof lamp holder.
7. according to the LED lamp unit described in claim 4 to 5 any one, it is characterized in that: be also included as the power supply of above-mentioned LED chip power supply, between described airflow tube, be formed with gap digit, described power supply is placed in described gap digit.
8. according to the LED lamp unit described in claim 5 or 6, it is characterized in that: the position that the bottom of described lower cover is positioned at LED chip is provided with lampshade or lens.
9. a LED light fixture, is characterized in that: comprise a lamp housing, be provided with the LED lamp unit described in a plurality of claim 4 to 8 any one in described lamp housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567147.4A CN103618038B (en) | 2013-11-14 | 2013-11-14 | A kind of LED support, LED lamp unit and light fixture |
| PCT/CN2014/086774 WO2015070670A1 (en) | 2013-11-14 | 2014-09-18 | Led bracket, led lamp element and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567147.4A CN103618038B (en) | 2013-11-14 | 2013-11-14 | A kind of LED support, LED lamp unit and light fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103618038A true CN103618038A (en) | 2014-03-05 |
| CN103618038B CN103618038B (en) | 2017-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310567147.4A Active CN103618038B (en) | 2013-11-14 | 2013-11-14 | A kind of LED support, LED lamp unit and light fixture |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103618038B (en) |
| WO (1) | WO2015070670A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070670A1 (en) * | 2013-11-14 | 2015-05-21 | 深圳市西德利集团有限公司 | Led bracket, led lamp element and lamp |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758369A (en) * | 2018-08-24 | 2018-11-06 | 德清鼎辉照明有限公司 | A kind of Surface-mount LED lamp core |
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| US20040120152A1 (en) * | 2002-12-11 | 2004-06-24 | Charles Bolta | Light emitting diode (L.E.D.) lighting fixtures with emergency back-up and scotopic enhancement |
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| US7866851B2 (en) * | 2008-06-09 | 2011-01-11 | Tong-Lung Chang | LED heat sink |
| CN202149464U (en) * | 2011-06-29 | 2012-02-22 | 张忠 | Circulation radiator of light-emitting diode (LED) lamp |
| CN202253502U (en) * | 2011-09-20 | 2012-05-30 | 邓小春 | Tube-guide type heat dissipation device for light emitting diode (LED) lamp |
| KR101297106B1 (en) * | 2011-11-08 | 2013-08-20 | 주식회사 포스코 | ＬＥＤ lighting apparatus |
| CN202834812U (en) * | 2012-05-07 | 2013-03-27 | 方与圆电子(深圳)有限公司 | Lamp |
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| CN103618038B (en) * | 2013-11-14 | 2017-06-16 | 深圳市西德利集团有限公司 | A kind of LED support, LED lamp unit and light fixture |
| CN203617335U (en) * | 2013-11-14 | 2014-05-28 | 深圳市西德利电子科技有限公司 | LED support, LED lamp unit and light fixture |
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2013
- 2013-11-14 CN CN201310567147.4A patent/CN103618038B/en active Active
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- 2014-09-18 WO PCT/CN2014/086774 patent/WO2015070670A1/en active Application Filing
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| US20060244118A1 (en) * | 2001-01-31 | 2006-11-02 | Gentex Corporation | High power radiation emitter device and heat dissipating package for electronic components |
| US20040120152A1 (en) * | 2002-12-11 | 2004-06-24 | Charles Bolta | Light emitting diode (L.E.D.) lighting fixtures with emergency back-up and scotopic enhancement |
| CN1760734A (en) * | 2004-10-15 | 2006-04-19 | Lg电子株式会社 | Light emitting device package and back light unit for liquid crystal display using the same |
| CN202712269U (en) * | 2012-07-25 | 2013-01-30 | 杭州赛佳科技有限公司 | Power-type LED thermal conduction pedestal |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2015070670A1 (en) | 2015-05-21 |
| CN103618038B (en) | 2017-06-16 |
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