CN108167670A - A kind of LED light - Google Patents
A kind of LED light Download PDFInfo
- Publication number
- CN108167670A CN108167670A CN201810141019.6A CN201810141019A CN108167670A CN 108167670 A CN108167670 A CN 108167670A CN 201810141019 A CN201810141019 A CN 201810141019A CN 108167670 A CN108167670 A CN 108167670A
- Authority
- CN
- China
- Prior art keywords
- led light
- light source
- source board
- led
- upper shell
- 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
Links
Classifications
-
- 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
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/0035—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources the fastening means being capable of simultaneously attaching of an other part, e.g. a housing portion or an optical component
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- 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
-
- 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
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
- F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of LED light, including lamp cap, driving circuit, hollow tubular LED light source board, upper shell and lower housing, there are several LED lamp beads on the outer wall of tubular LED light source board, the lower housing is connect with lamp cap, the lower end of the LED light source board is connect with lower housing, the upper end of the upper shell and LED light source board connects, further include a thermal contraction casing tube made of translucent material, the thermal contraction casing tube is close in LED light source board on the light-emitting surface of LED lamp bead, using the light transmission blister as the LED light；The LED light is directly effectively radiated using the surface of LED light source board, heat-delivery surface ratio shared in whole lamp surface can be increased considerably, so as to significantly increase the rated power and luminous flux of the LED light of various determining sizes.
Description
Technical field
The present invention relates to lighting areas, are specifically related to a kind of good LED light of heat dissipation.
Background technology
At present, since the energy saving and service life of LED illumination lamp is all substantially better than traditional incandescent lamp and energy-saving lamp,
Therefore the green illumination trend of LED illumination is have swepting the globe, and what wherein volume of production and marketing was maximum is LEDbulb lamp, China
2017 produce LEDbulb lamp about 2,000,000,000 per year.
The basic structure of existing LEDbulb lamp is made of lamp cap, driving circuit, LED light source board and shell, wherein shell
Including the modeling alclad shell for being used to radiate and for light extraction light transmission blister made of plastics or glass；Wherein LED light source board
It is mounted on aluminum-base printing circuit board and formed by adopting surface mounted LED lamp bead, the heat that LED lamp bead generates when shining reaches aluminum substrate
Modeling alclad shell is reached again, until its outer surface sheds.There are two the major defects of this structure：First, entire light source board does not contact
Extraneous moving air and cannot effectively radiate, effective heat-delivery surface is only the outer surface for moulding alclad shell, and area is only whole
Half of lamp outer surface or so, therefore limit the maximum power of the LEDbulb lamp of determining size and volume；It is second is that lighttight
Modeling alclad shell has blocked a big chunk light, and the distribution curve flux for making lamp is poor, occurs excessively apparent dark space during illumination.
Invention content
The present invention is intended to provide a kind of LED light, which is directly effectively radiated using the surface of LED light source board, is removed from
The modeling alclad shell of shading, and at the same time light transmission blister made of the plastics or glass of bulb lamp is eliminated, it can be significantly
Increase heat-delivery surface ratio shared in whole lamp surface, so as to significantly increase the volume of the LED light of various determining sizes
Determine power and luminous flux.
Concrete scheme is as follows：
A kind of LED light, including lamp cap, driving circuit, hollow tubular LED light source board, upper shell and lower housing, tubular
There are several LED lamp beads, the lower housing is connect with lamp cap, the lower end of the LED light source board on the outer wall of LED light source board
It is connect with lower housing, the upper end connection of the upper shell and LED light source board further includes one and is heat-shrinked made of translucent material
Casing, the thermal contraction casing tube are close in LED light source board on the light-emitting surface of LED lamp bead, using the light transmission blister as the LED light.
Further, all have on the upper shell and lower housing and be used to form cross-ventilated venthole.
Further, the thermal contraction casing tube is made of polyethylene hydrocarbon.
Further, the tubular LED light source board is bent by one piece of LED light source board.
Further, the upper end of the tubular LED light source board also have multiple past inner bendings otic placode, multiple otic placodes around
The axis of tubular LED light source board is evenly distributed, and an at least LED lamp bead is both provided on each otic placode.
Further, the upper shell is cylindricality, and the upper end of upper shell has the flange stretched out outward, the upper shell
It is socketed in LED light source board and is limited by flange, the thermal contraction casing tube wraps the flange of upper shell.
LED light provided by the invention has the following advantages compared with prior art：LED light provided by the invention due to
The tow sides of LED light source board contact flow air and then can effectively be radiated, than the conventional bulb lamp of correspondingly-sized
Heat dissipation area double more than, heat dissipation effect is splendid, therefore in the case of shape adjoining dimensions, LED light of the invention
The design of rated power and luminous flux higher than conventional LEDbulb lamp can obtain；Either in same nominal power and light
During flux, the volume of LED light of the invention can be contracted to less than half, so as to greatly improve the flexibility of LED light application.
Description of the drawings
Fig. 1 shows the schematic diagram of LED light.
Fig. 2 shows the schematic diagrames of tubular LED light source board.
Specific embodiment
To further illustrate each embodiment, the present invention is provided with attached drawing.These attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be coordinated to explain the operation principles of embodiment.Cooperation ginseng
These contents are examined, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure
Component be not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the present invention is further described.
As depicted in figs. 1 and 2, the present invention provides a kind of LED light, including lamp cap 1, driving circuit 2, hollow tubular
LED light source board 4, upper shell 30 and lower housing 32 have several LED lamp beads 5, this implementation on the outer wall of tubular LED light source board 4
Upper and lower directions in example is on the basis of lamp cap, is then upper far from lamp cap position close to lamp cap position under being.Wherein lower housing 32
It is connect with lamp cap 1, the lower end of LED light source board 4 is connect with lower housing 32, and the upper shell 30 is connected to the upper of LED light source board 4
In end, thermal contraction casing tube 6 made of translucent material are further included, the thermal contraction casing tube 6 is close to LED in LED light source board 4
On the light-emitting surface of lamp bead 5, using the light transmission blister as the LED light.
Above-mentioned thermal contraction casing tube 6 has effect there are three tools in the LED light, when the light transmission blister as the LED light,
To protect the LED lamp bead in LED light source board 4, it is made to be isolated from the outside, consumer using when will not touch the LED light of electrification
Source plate ensures safety, but also dust or other particulate matters can be isolated, it is made not impacted to LED lamp bead, extends
Service life；Second is that the fixed function of LED light source board 4, with the shape for keeping LED light source board and the stability between housing；
Third, increase the heat dissipation effect of LED lamp bead, since thermal contraction casing tube is close to the light-emitting surface of LED lamp bead 5 in LED light source board 4, LED
When lamp bead shines the heat that generates some can be transferred on thermal contraction casing tube, then distributed through thermal contraction casing tube into environment.
Since thermal contraction casing tube is close in LED light source board 4 on the light-emitting surface of LED lamp bead 5, thermal contraction casing tube is necessary
Has certain heat-resisting ability (such as 120-150 degree), and in order to ensure its light efficiency, thermal contraction casing tube also needs to have high
Light transmittance, the heat-shrinkage material for having high transparency and heat-resisting ability can be adopted to prepare the thermal contraction casing tube, wherein it is preferred that
Material be polyethylene hydrocarbon.
In order to which the inner surface that LED light source board 4 is made not mount LED lamp bead can also be contacted with moving air, with reference to figure 1, institute
It states all to have on upper shell 30 and lower housing 32 and is used to form cross-ventilated venthole 300.Cold air outside LED light can be from
It is flowed into LED light source board in venthole in lower housing 32, and as LED lamp bead shines, LED light source board internal temperature liter
Height, the cold air flowed into shell can absorb heat, become hot-air, and hot-air is ramped up from air convection channel, so as to
It is flowed out from the venthole of upper shell, meanwhile, the cold air outside lamp is supplemented to from the venthole of lower housing in lamp again,
Cold-hot air convection is formed, so as to quickly take the heat in shell out of, improves radiating efficiency.
With reference to figure 1 and Fig. 2, the tubular LED light source board 4 is bent by one piece of LED light source board, wherein LED light source board
Can be that either copper-based printed circuit board wherein preferably radiates good aluminium base or copper-based printed circuit board for aluminium base, iron-based.
With reference to figure 2, the upper end of the tubular LED light source board 4 also has the otic placode 40 of multiple past inner bendings, multiple otic placodes
40 around tubular LED light source board 4 axis it is evenly distributed, an at least LED lamp bead 5 is both provided on each otic placode 40, with increase
The angle of the light-emitting angle of the LED light, wherein otic placode 40 bending can be adjusted according to actual demand, be typically in 30-60 degree
Between be advisable.
With reference to figure 1, the upper shell 30 is cylindricality, and the upper end of upper shell 30 has the flange 302 stretched out outward, described
Upper shell 30 is socketed in LED light source board 4 and passes through flange 302 and limits, and the thermal contraction casing tube 6 is by the flange 302 of upper shell
It wraps.When assembling the LED light, upper shell 30 is socketed in LED light source board 4, by the convex of upper shell after 6 pyrocondensation of thermal contraction casing tube
Edge 302 wraps, and reserves venthole 300, you can completes the fixation of upper shell, entire assembling process is very simple.
As shown in the table, following table is the test knot according to the LED light sample made by the structure of LED light provided by the invention
Fruit.
From above-mentioned test result it can be seen that with existing LEDbulb lamp Similar size on the basis of, using this
Invent provide LED light structure institute attainable highlight flux be much larger than traditional LEDbulb lamp (traditional A60 sizes
The highlight flux of LEDbulb lamp is generally 1600-1800lm), light efficiency is also than traditional LED light higher.In addition stablize shape
Luminous flux under state only lower than initial luminous flux 8.5% or so, illustrates that the heat dissipation effect of the LED light of the present invention is also fine.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, it is not departing from the spirit and scope of the present invention that the appended claims are limited, it in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (6)
1. a kind of LED light, it is characterised in that：Including lamp cap, driving circuit, hollow tubular LED light source board, upper shell and lower casing
Body has several LED lamp beads on the outer wall of tubular LED light source board, and the lower housing is connect with lamp cap, the LED light source board
Lower end connect with lower housing, the connection of the upper end of the upper shell and LED light source board further includes one and is made of translucent material
Thermal contraction casing tube, the thermal contraction casing tube is close in LED light source board on the light-emitting surface of LED lamp bead, using as the saturating of the LED light
Blobs shell.
2. LED light according to claim 1, it is characterised in that：All have on the upper shell and lower housing and be used to form
Cross-ventilated venthole.
3. LED light according to claim 1, it is characterised in that：The thermal contraction casing tube is made of polyethylene hydrocarbon.
4. LED light according to claim 1, it is characterised in that：The tubular LED light source board is curved by one piece of LED light source board
It rolls over.
5. LED light according to claim 4, it is characterised in that：The upper end of the tubular LED light source board also has multiple
Toward the otic placode of inner bending, multiple otic placodes are evenly distributed around the axis of the LED light source board of tubular, are both provided at least on each otic placode
One LED lamp bead.
6. LED light according to claim 1, it is characterised in that：The upper shell is cylindricality, and the upper end of upper shell has
The flange stretched out outward, the upper shell are socketed in LED light source board and are limited by flange, and the thermal contraction casing tube is by upper casing
The flange of body wraps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141019.6A CN108167670A (en) | 2018-02-11 | 2018-02-11 | A kind of LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141019.6A CN108167670A (en) | 2018-02-11 | 2018-02-11 | A kind of LED light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167670A true CN108167670A (en) | 2018-06-15 |
Family
ID=62514137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810141019.6A Pending CN108167670A (en) | 2018-02-11 | 2018-02-11 | A kind of LED light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167670A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747266A (en) * | 2018-06-28 | 2018-11-06 | 南京晨光集团有限责任公司 | A kind of face protectors and method of complicated shape axial workpiece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202013105372U1 (en) * | 2013-11-26 | 2013-12-03 | Lac Opto Electronics Technology Co., Ltd. | New LED lamp |
| CN203384741U (en) * | 2013-08-23 | 2014-01-08 | 佛山市崇达照明电器有限公司 | Flexible LED light source lamp |
| CN204243033U (en) * | 2014-11-11 | 2015-04-01 | 广州市鸿利光电股份有限公司 | A kind of LED silk |
| WO2015129420A1 (en) * | 2014-02-28 | 2015-09-03 | 岩崎電気株式会社 | Led lamp and heat sink used in same |
| CN207814965U (en) * | 2018-02-11 | 2018-09-04 | 厦门银旭工贸有限公司 | A kind of LED light |
-
2018
- 2018-02-11 CN CN201810141019.6A patent/CN108167670A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203384741U (en) * | 2013-08-23 | 2014-01-08 | 佛山市崇达照明电器有限公司 | Flexible LED light source lamp |
| DE202013105372U1 (en) * | 2013-11-26 | 2013-12-03 | Lac Opto Electronics Technology Co., Ltd. | New LED lamp |
| WO2015129420A1 (en) * | 2014-02-28 | 2015-09-03 | 岩崎電気株式会社 | Led lamp and heat sink used in same |
| CN204243033U (en) * | 2014-11-11 | 2015-04-01 | 广州市鸿利光电股份有限公司 | A kind of LED silk |
| CN207814965U (en) * | 2018-02-11 | 2018-09-04 | 厦门银旭工贸有限公司 | A kind of LED light |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747266A (en) * | 2018-06-28 | 2018-11-06 | 南京晨光集团有限责任公司 | A kind of face protectors and method of complicated shape axial workpiece |
| CN108747266B (en) * | 2018-06-28 | 2024-01-23 | 南京晨光集团有限责任公司 | Surface protection device and method for shaft parts with complex shapes |
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