CN108253353A - A kind of LED downlight of high efficiency and heat radiation - Google Patents
A kind of LED downlight of high efficiency and heat radiation Download PDFInfo
- Publication number
- CN108253353A CN108253353A CN201711328337.5A CN201711328337A CN108253353A CN 108253353 A CN108253353 A CN 108253353A CN 201711328337 A CN201711328337 A CN 201711328337A CN 108253353 A CN108253353 A CN 108253353A
- Authority
- CN
- China
- Prior art keywords
- reflector
- light source
- high efficiency
- shell
- heat radiation
- 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.)
- Granted
Links
Classifications
-
- 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
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- 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
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
-
- 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 present invention relates to downlight technical fields, a kind of LED downlight of high efficiency and heat radiation is provided, including light source board and shell, it is characterized in that, the back fixation of light source board has aluminum substrate, the back of aluminum substrate is connected with head cover by heat insulating mattress, even circumferential is fixed with heating column at the forward edge of aluminum substrate, head cover is threadedly coupled inside the shell, the lower section of light source board is equipped with gas permeability reflector, the bottom of gas permeability reflector is connected with fixed seat, latch is fixed on the outer wall of fixed seat, even circumferential is fixed with buckle on the downside inner wall of shell, latch cooperation is connected in buckle, the nose threads of shell are connected with frame；The problem of heat sink conception that the present invention solves existing downlight is single, and heat dissipation effect is poor, and the cost that radiates is higher.
Description
Technical field
The present invention relates to downlight technical fields, and in particular to a kind of LED downlight of high efficiency and heat radiation.
Background technology
Downlight is usually the lamps and lanterns that incandescent lamp or energy-saving lamp can be directly loaded onto there are one screw socket.Downlight is a kind of
It is embedded into the illuminator of light down-ejection type in ceiling.Its maximum feature be exactly can keep building decoration entirety it is unified with
Perfection will not destroy the perfect unity of furred ceiling art because of the setting of lamps and lanterns.This hidden the putting property inside ceiling
Lamps and lanterns, all light all project downwards, belong to direct light distribution.Different reflectors, eyeglass, shutter, light bulb can be used, to take
Obtain different light effects.Downlight prevents take up space, can increase the soft atmosphere in space, if it is desired to warm feeling is built, it can
It tries to install more downlights, mitigates space constriction.It is generally used in hotel, family, coffee shop more.
But existing downlight heat dissipation effect is poor, and for a long time in the space more closed, for a long time using easy
Downlight internal electronic element is caused to damage, seriously affects the service life of LED downlight, and under downlight working condition, not only
Only circuit unit can generate heat so that the back fever of reflector can also generate very high temperature in reflector interior zone.
The LED downlight of the prior art is usually equipped with using the back of the light source board in LED and is made of numerous radiating fins
Radiator radiate, the manufacture cost of this radiating mode is higher, and due to the back for being mounted in whole lamp body,
The inside of plasterboard is usually packaged in when downlight is installed, the air of inside closing, gas is almost without mobility so that
Heat dissipation effect is relatively poor, and heat sink conception is single, and heat dissipation effect is poor.
Invention content
The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of LED downlight of high efficiency and heat radiation, existing downlight is solved
The problem of heat sink conception is single, and heat dissipation effect is poor, and the cost that radiates is higher.
Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of LED downlight of high efficiency and heat radiation, including light source board and shell, which is characterized in that the back of the light source board is consolidated
Surely there is aluminum substrate, the back of the aluminum substrate is connected with head cover by heat insulating mattress, and circumference is equal at the forward edge of the aluminum substrate
Even to be fixed with heating column, the head cover is threaded in the shell, and the lower section of the light source board is equipped with gas permeability reflector,
The bottom of the gas permeability reflector is connected with fixed seat, is fixed with latch on the outer wall of the fixed seat, under the shell
Even circumferential is fixed with buckle on the inner wall of side, and the latch cooperation is connected in the buckle, and the nose threads of the shell connect
Frame is connected to, ceramic ring is rotatably connected in the frame, offers circular groove at the top of the ceramic ring, the heating column is plugged on
In the circular groove.
Further, it is covered with heat conducting film between the light source board and the aluminum substrate.
Further, the gas permeability reflector include the first reflector, the second reflector and connection sheet, described first
Reflector and the second reflector are separately fixed at the top and bottom of the connection sheet, and connection sheet end face annular offers logical
Air drain.
Further, the latch is T-shaped latch.
Further, it is embedded with frosted mask on the fixed seat inner wall.
Further, rectangular straight slot is offered on the arc outer wall of the shell, filter is fixed in the rectangular straight slot
Dirt net.
Further, lens are installed outside the lamp bead of the light source board, make light distribution more uniform.
Further, the low-power LED lamp bead of the light source board is contacted, and obtains the product of high voltage, low current,
The driving current of high-voltage LED is smaller, and the heat of generation is also relatively fewer.
Advantageous effect
The present invention provides a kind of LED downlights of high efficiency and heat radiation, and compared with existing known technology, of the invention having is as follows
Advantageous effect：
1st, it by being conducted the heat at light source board back to the ceramic ring positioned at lamp body front end by heating column, utilizes
The excellent radiating effect of ceramic material and the effect in external mobility air-flow, can realize and quickly cool down, heat dissipation effect
Fruit is good, can significantly relatively low material and manufacture cost.
2nd, by being equipped with gas permeability reflector in housing, cooperation is equipped with the rectangular straight slot of dirt filtrating screen on the shell, can
To realize that will be in heat in reflector radiates, under the premise of ordinary ray distribution is ensured, auxiliary realizes preferably heat dissipation
Effect.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the overall structure exploded perspective view of the present invention；
Fig. 2 is the overall structure connection diagram of the present invention；
Fig. 3 is the gas permeability reflector perspective view of the present invention；
Fig. 4 is the light source board perspective view of the present invention；
Fig. 5 is the ceramic ring perspective view of the present invention；
Fig. 6 is the housing perspectives figure of the present invention；
Label in figure represents respectively：1- light source boards；2- shells；3- aluminum substrates；4- heating columns；5- gas permeability reflectors；
6- fixed seats；7- latches；8- is buckled；9- frames；10- ceramic rings；11- dirt filtrating screens；12- head covers；201- rectangular straight slot；501-
One reflector；The second reflectors of 502-；503- connection sheets；504- air channels；1001- circular grooves.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Embodiment：
The LED downlight of a kind of high efficiency and heat radiation of the present embodiment, with reference to Fig. 1-6：Including light source board 1 and shell 2, feature exists
There is an aluminum substrate 3 in the back fixation of, light source board 1, the back of aluminum substrate 3 is connected with head cover 12 by heat insulating mattress, before aluminum substrate 3
Even circumferential is fixed with heating column 4 at lateral edges, and head cover 12 is threaded in shell 2, and the lower section of light source board 1 is equipped with gas permeability
Reflector 5, the bottom of gas permeability reflector 5 are connected with fixed seat 6, are fixed with latch 7 on the outer wall of fixed seat 6, under shell 2
Even circumferential is fixed with buckle 8 on the inner wall of side, and the cooperation of latch 7 is connected in buckle 8, and the nose threads of shell 2 are connected with frame
9, ceramic ring 10 is rotatably connected in frame 9,10 top of ceramic ring offers circular groove 1001, and heating column 4 is plugged on circular groove 1001
It is interior.
Heat conducting film is covered between light source board 1 and aluminum substrate 3.
Gas permeability reflector 5 includes circular groove 501, the second reflector 502 and connection sheet 503,501 and second reflector of circular groove
502 are separately fixed at the top and bottom of connection sheet 503, and 503 end face annular of connection sheet offers air channel 504.
Latch 7 is T-shaped latch 7；Frosted mask is embedded on 6 inner wall of fixed seat.
Rectangular straight slot 201 is offered on the arc outer wall of shell 2, dirt filtrating screen 11 is fixed in rectangular straight slot 201.Dirt filtrating screen
11 setting influences the light transmittance and service life of downlight for preventing dust from entering inside downlight.
Lens are installed outside the lamp bead of light source board 1, make light distribution more uniform；The low-power LED lamp bead of light source board 1
It contacts, obtains the product of high voltage, low current, the driving current of high-voltage LED is smaller, and the heat of generation is also relatively fewer.
By being conducted the heat at 1 back of light source board on the ceramic ring 10 of lamp body front end by heating column 4, profit
Excellent radiating effect with ceramic material and the effect in external mobility air-flow, can realize and quickly cool down；Pass through
Gas permeability reflector 5 is installed in housing, coordinate on shell 2 be equipped with dirt filtrating screen 11 rectangular straight slot 201, can realize by
Heat radiates in reflector, and under the premise of ordinary ray distribution is ensured, auxiliary realizes better heat dissipation effect；Finally
Coordinate the lamp bead series design of light source board 1, realize high voltage, low current, reduce the heat of generation, by three kinds of measures to downlight
It radiates, heat dissipation effect is good, and significantly relatively low material and manufacture cost.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example modifies or carries out equivalent replacement to which part technical characteristic；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (8)
- A kind of 1. LED downlight of high efficiency and heat radiation, including light source board and shell, which is characterized in that the back fixation of the light source board There is an aluminum substrate, the back of the aluminum substrate is connected with head cover by heat insulating mattress, even circumferential at the forward edge of the aluminum substrate Heating column is fixed with, the head cover is threaded in the shell, and the lower section of the light source board is equipped with gas permeability reflector, institute The bottom for stating gas permeability reflector is connected with fixed seat, and latch, the downside of the shell are fixed on the outer wall of the fixed seat Even circumferential is fixed with buckle on inner wall, and the latch cooperation is connected in the buckle, the nose threads connection of the shell There is frame, ceramic ring is rotatably connected in the frame, offers circular groove at the top of the ceramic ring, the heating column is plugged on institute It states in circular groove.
- 2. the LED downlight of a kind of high efficiency and heat radiation according to claim 1, which is characterized in that the light source board and the aluminium Heat conducting film is covered between substrate.
- A kind of 3. LED downlight of high efficiency and heat radiation according to claim 1, which is characterized in that the gas permeability reflector packet The first reflector, the second reflector and connection sheet are included, first reflector and the second reflector are separately fixed at the connection The top and bottom of piece, connection sheet end face annular offer air channel.
- 4. the LED downlight of a kind of high efficiency and heat radiation according to claim 1, which is characterized in that the latch is T-shaped latch.
- 5. the LED downlight of a kind of high efficiency and heat radiation according to claim 1, which is characterized in that on the fixed seat inner wall Embedded with frosted mask.
- A kind of 6. LED downlight of high efficiency and heat radiation according to claim 1, which is characterized in that the arc outer wall of the shell On offer rectangular straight slot, be fixed with dirt filtrating screen in the rectangular straight slot.
- 7. the LED downlight of a kind of high efficiency and heat radiation according to claim 1, which is characterized in that outside the lamp bead of the light source board Portion is equipped with lens, makes light distribution more uniform.
- A kind of 8. LED downlight of high efficiency and heat radiation according to claim 1, which is characterized in that the small-power of the light source board LED lamp bead is contacted, and obtains the product of high voltage, low current, and the driving current of high-voltage LED is smaller, the heat of generation also phase To less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328337.5A CN108253353B (en) | 2017-12-13 | 2017-12-13 | High-efficient radiating LED down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328337.5A CN108253353B (en) | 2017-12-13 | 2017-12-13 | High-efficient radiating LED down lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108253353A true CN108253353A (en) | 2018-07-06 |
| CN108253353B CN108253353B (en) | 2020-10-02 |
Family
ID=62722825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711328337.5A Active CN108253353B (en) | 2017-12-13 | 2017-12-13 | High-efficient radiating LED down lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108253353B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576990A (en) * | 2020-11-12 | 2021-03-30 | 深圳市骁阳工程咨询有限公司 | Sunlight illumination simulation lamp and system |
| CN112576989A (en) * | 2020-11-12 | 2021-03-30 | 深圳市骁阳工程咨询有限公司 | Solar radiation simulation lighting device and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851855Y (en) * | 2005-12-16 | 2006-12-27 | 陈忠 | Heat radiator and high power spot light equipped with the same |
| CN201696926U (en) * | 2010-05-28 | 2011-01-05 | 艾迪光电（杭州）有限公司 | LED lamp for built-in heat-conducting piece of lampshade |
| CN102606950A (en) * | 2012-03-02 | 2012-07-25 | 中山伟强科技有限公司 | LED projection lamp |
| CN203413416U (en) * | 2013-08-14 | 2014-01-29 | 戴晓村 | Led down lamp |
| CN203927580U (en) * | 2014-05-14 | 2014-11-05 | 中山市久能光电科技有限公司 | A kind of high-power LED spotlight |
| CN204785931U (en) * | 2015-07-27 | 2015-11-18 | 深圳市汇恩电子有限公司 | Many heat dissipation channel LED shot -light |
| US20160153647A1 (en) * | 2013-06-26 | 2016-06-02 | Koninklijke Philips N.V. | Modular heat sink |
| CN106338035A (en) * | 2016-11-01 | 2017-01-18 | 张连 | LED lamp capable of guiding out heat conveniently |
-
2017
- 2017-12-13 CN CN201711328337.5A patent/CN108253353B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851855Y (en) * | 2005-12-16 | 2006-12-27 | 陈忠 | Heat radiator and high power spot light equipped with the same |
| CN201696926U (en) * | 2010-05-28 | 2011-01-05 | 艾迪光电（杭州）有限公司 | LED lamp for built-in heat-conducting piece of lampshade |
| CN102606950A (en) * | 2012-03-02 | 2012-07-25 | 中山伟强科技有限公司 | LED projection lamp |
| US20160153647A1 (en) * | 2013-06-26 | 2016-06-02 | Koninklijke Philips N.V. | Modular heat sink |
| CN203413416U (en) * | 2013-08-14 | 2014-01-29 | 戴晓村 | Led down lamp |
| CN203927580U (en) * | 2014-05-14 | 2014-11-05 | 中山市久能光电科技有限公司 | A kind of high-power LED spotlight |
| CN204785931U (en) * | 2015-07-27 | 2015-11-18 | 深圳市汇恩电子有限公司 | Many heat dissipation channel LED shot -light |
| CN106338035A (en) * | 2016-11-01 | 2017-01-18 | 张连 | LED lamp capable of guiding out heat conveniently |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576990A (en) * | 2020-11-12 | 2021-03-30 | 深圳市骁阳工程咨询有限公司 | Sunlight illumination simulation lamp and system |
| CN112576989A (en) * | 2020-11-12 | 2021-03-30 | 深圳市骁阳工程咨询有限公司 | Solar radiation simulation lighting device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108253353B (en) | 2020-10-02 |
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Effective date of registration: 20230803 Address after: 528000, 4th floor of the 10th and 11th factory buildings in Gaosha Middle Development Zone, Xilian East Village, Danzao Town, Nanhai District, Foshan City, Guangdong Province (Residence application) Patentee after: Foshan Nanhai District Jianshi Lighting Co.,Ltd. Address before: 528226 building A8, Guangdong new light source base, Luocun, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG SOLID STATE LIGHTING INDUSTRY INNOVATION CENTER |
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| TR01 | Transfer of patent right |