CN108317491A - A kind of corrugated lamp of high efficiency and heat radiation - Google Patents
A kind of corrugated lamp of high efficiency and heat radiation Download PDFInfo
- Publication number
- CN108317491A CN108317491A CN201810080343.1A CN201810080343A CN108317491A CN 108317491 A CN108317491 A CN 108317491A CN 201810080343 A CN201810080343 A CN 201810080343A CN 108317491 A CN108317491 A CN 108317491A
- Authority
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- China
- Prior art keywords
- substrate
- cover board
- lamp
- high efficiency
- 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.)
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Classifications
-
- 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
- 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
- F21V29/10—Arrangement of heat-generating components to reduce thermal damage, e.g. by distancing heat-generating components from other components to be protected
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/58—Cooling arrangements using liquid coolants characterised by the coolants
-
- 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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of corrugated lamps of high efficiency and heat radiation, including lamp body and bearing, lamp body includes lampshade, substrate, cover board, lamp housing successively, and bearing is mounted on the side of lamp housing and the lamp housing other side is provided with placing groove, power supply is installed, cover closure covers the notch in placing groove in placing groove；Substrate is equipped with light source and substrate and cover board gap setting far from cover board side and forms cooling duct, is equipped on substrate for substrate to be fixed fixing piece on the cover board, and lampshade is fixed on substrate and is equipped with lens far from cover board side and lampshade；It is provided with through-hole on cover board, conducting wire has been connected on power supply and conducting wire one end sequentially passes through through-hole, cooling duct and connect with light source on substrate.The setting of cooling duct can separate driving power and LED illumination light source, so that air flows, interfering with each other for both driving power and LED illumination light source heat can be not only reduced, distributing for total amount of heat is additionally favorable for, can finally extend the service life of driving power and LED illumination light source.
Description
Technical field
The present invention relates to Design of Luminaires technical fields, and in particular to a kind of corrugated lamp of high efficiency and heat radiation.
Background technology
Corrugated lamp is also known as tile lamp, belongs to one kind in projecting lamp, generally using great power LED as illuminating source, lamp
Body uses the aluminum alloy die casting of arc, is used as building decoration illumination.
Most corrugated lamps uses integrated design, and aluminum substrate, LED lamp bead and lamp power are done together.Tradition
The shortcomings that corrugated lamp, is：Because of lamp power and LED lamp bead integrated design, the heat that driving power generates can shine with LED
The heat that Mingguang City source generates interferes with each other, and lamp entirety uneven heating can be made even, be easy to cause the rapid light decay of LED lamp bead and driving
Power-fail.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of corrugated lamp of high efficiency and heat radiation, pass through
The setting of cooling duct can separate power supply and light source, so that air flows, both not only capable of reducing power source and light sources heat
Interfere with each other, be additionally favorable for distributing for total amount of heat, can finally extend the service life of power supply and light source.
To achieve the above object, the present invention provides following technical solutions：A kind of corrugated lamp of high efficiency and heat radiation, including lamp body
And bearing, the lamp body include lampshade, substrate, cover board, lamp housing successively, bearing is mounted on the side of lamp housing and lamp housing and opens up
There is placing groove, power supply is installed in placing groove, cover closure covers the notch in placing groove；Substrate is equipped with light far from cover board side
Source and substrate and cover board gap setting simultaneously form cooling duct, are equipped on substrate for the fixation by substrate fixation on the cover board
Part, lampshade is fixed on substrate far from cover board side and lampshade is equipped with lens；It is provided with through-hole on cover board, conducting wire has been connected on power supply
And conducting wire one end sequentially passes through through-hole, cooling duct and is connect with the light source on substrate.
By using above-mentioned technical proposal, by the setting of cooling duct, can by driving power and LED illumination light source every
It opens, so that air flows, can not only reduce interfering with each other for both driving power and LED illumination light source heat, be additionally favorable for total
Heat distributes, and can finally extend the service life of driving power and LED illumination light source.
The further setting of the present invention is：The substrate lower side, which extends to be fixed on the lower side of cover board and substrate, leads
Wind item, wind guide strip are located at substrate close to cover board side, and the gap between wind guide strip and cover board is formed for leading the air of flowing
Enter the drainage channel into cooling duct.
By using above-mentioned technical proposal, since lamp body is typically mounted at the edge one week on roof, and towards room beam direction
Irradiation, which results in cooling duct lower ports towards roof, and the air of flowing is difficult to enter cooling from cooling duct lower port
In channel, while cooling duct upper port is arranged upward, and the air of flowing also is difficult to enter from cooling duct upper port cooling logical
In road.And drainage channel can receive the air flowed in horizontal direction, and be directed into cooling duct, to greatly increase
Flow the amount into the air in cooling duct, to improve cooling effect, extend driving power and LED illumination light source uses the longevity
Life.
The further setting of the present invention is：The substrate is fixed with heat-dissipating fin close to cover board side.
By using above-mentioned technical proposal, the contact area of substrate and the air of flowing is improved, to improve the heat dissipation of substrate
Effect then can finally enhance the heat dissipation effect of light source due to light source be installed on substrate, extend the service life of light source.
The further setting of the present invention is：The substrate is fixed with penetration pipe close to cover board side and penetration pipe pierces into through-hole
Interior, conducting wire one end is pierced into penetration pipe and is connect with the light source on substrate.
By using above-mentioned technical proposal, penetration pipe can prevent conducting wire to be exposed in cooling duct, to protect conducting wire.
The further setting of the present invention is：Sealing ring is installed between the penetration pipe and through-hole.
It by using above-mentioned technical proposal, reduces rainwater and the amount in placing groove is entered by through-hole, to reduce power supply event
The probability of barrier.
The further setting of the present invention is：The cooling duct upper end is arranged without masking.
By using above-mentioned technical proposal so that rainwater can be dropped into cooling duct down, to can also realize to substrate with
The cooling of cover board, finally cools down power supply and light source, extends the service life of power supply and light source.
The further setting of the present invention is：The lamp housing is fixed with radiating ribs on the side wall far from cover board side.
By using above-mentioned technical proposal, the heat dissipation effect of lamp housing is improved, extends the service life of power supply.
The further setting of the present invention is：The lamp housing is fixed with fixed ear far from cover board side, and carrier setting bolt is connected to
In fixed ear.
By using above-mentioned technical proposal so that lamp body and bearing split settings, convenient for the later stage to lamp body or bearing into
Row repair is replaced.And the irradiating angle of lamp body can be first adjusted, then lamp body is fixed on bearing, in order to there are one lamp bodies
Preferable irradiating angle improves the radiation response of lamp body.
The further setting of the present invention is：The bearing includes mounting plate, for the connecting rod of connection plate and lamp housing,
The arc-shaped setting in section of mounting plate.
By using above-mentioned technical proposal, the arc-shaped setting of mounting plate is conducive to that mounting plate is made preferably to be fitted in tile
On, to improve the degree of firmly installing of mounting plate.
The further setting of the present invention is：The connecting rod is fixed at the marginal position of mounting plate.
By using above-mentioned technical proposal, when mounting plate to be installed between two panels tile, more next block of tile can glue
It closes on the downside of mounting plate, compared with the upper side that lastblock tile can be bonded in mounting plate.By making connecting rod be fixed on peace
At the marginal position of loading board, be conducive to improve the upper side of mounting plate and compared with the bond area between lastblock tile, to improve
Installation strength between the device and tile.
The present invention has the following advantages：
1, by the setting of cooling duct, power supply and light source can be separated, so that air flows, not only capable of reducing power source and light
Both sources heat interferes with each other, and is additionally favorable for distributing for total amount of heat, can finally extend the service life of power supply and light source；
2, drainage channel can increase the amount flowed into the air in cooling duct, to improve cooling effect；
3 and drainage channel be arranged on the downside of substrate so that cooling duct upper end without masking be arranged, it is therefore an objective to, make rainwater can be more
It smoothly drops into cooling duct, to which the device is cooled down by rainwater, extends the service life of power supply and light source.
Description of the drawings
Fig. 1 is the present embodiment structural schematic diagram；
Fig. 2 is the structural schematic diagram of the present embodiment back side；
Fig. 3 is the exploded perspective view of the present embodiment under the visual angles Fig. 2；
Fig. 4 is the exploded perspective view of the present embodiment under the visual angles Fig. 1.
Reference numeral：1, lamp body；11, lampshade；111, lens；12, substrate；121, light source；122, heat-dissipating fin；123, it wears
Spool；124, fixing piece；125, wind guide strip；13, cover board；131, through-hole；132, sealing ring；14, lamp housing；141, fixed ear；
142, radiating ribs；2, bearing；21, connecting rod；22, mounting plate；23, fastening bolt；3, placing groove；31, mounting bracket；32, power supply；
33, conducting wire；34, positioning bolt；4, cooling duct；5, drainage channel.
Specific implementation mode
With reference to attached drawing, the present invention will be further described.
A kind of corrugated lamp of high efficiency and heat radiation, with reference to figure 1 and Fig. 2, including lamp body 1 and bearing 2, bearing 2 is used to be mounted on watt
On piece, lamp body 1 is for providing irradiation light.
With reference to figure 3 and Fig. 4, lamp body 1 includes lampshade 11, substrate 12, cover board 13, lamp housing 14 successively.Bearing 2 is mounted on lamp
The side of shell 14, the other side of lamp housing 14 offer placing groove 3, and the slot bottom of placing groove 3 is fixed with mounting bracket 31, on mounting bracket 31
Power supply 32, notch of 13 closing cap of cover board in placing groove 3 are installed.
With reference to figure 3 and Fig. 4, substrate 12 is equipped with multiple light sources 121 far from 13 side of cover board, and light source 121 can be that LED is big
Power lamp bead, lampshade 11 is fixed on substrate 12 far from 13 side of cover board, and lampshade 11 is used for the saturating of transmitted ray equipped with multiple
Mirror 111, each light source 121 correspond to a lens 111.Substrate 12 and 13 gap setting of cover board simultaneously form cooling duct 4, substrate 12
On fixing piece 124 is installed, fixing piece 124 is in a tubular form and 124 one end of fixing piece is connected on cover board 13.Lamp housing 14 is equipped with fixed
Position bolt 34, and gap passes through lamp housing 14, cover board 13, fixing piece 124, substrate 12 to 34 one end of positioning bolt successively, and finally wear
Into in lampshade 11, positioning bolt 34 is threadedly coupled with lampshade 11, to make lampshade 11, substrate 12, cover board 13, lamp housing 14 be fastened on
Together, and positioning bolt 34 is at least provided with two.
With reference to figure 3 and Fig. 4, through-hole 131 is provided on cover board 13, substrate 12 is fixed with penetration pipe 123 close to 13 side of cover board,
And penetration pipe 123 pierces into through-hole 131, and sealing ring 132 is equipped between penetration pipe 123 and through-hole 131.It has been connected on power supply 32
Conducting wire 33, and 33 one end of conducting wire is pierced into penetration pipe 123 and is electrically connected with the light source 121 on substrate 12.
Referring to figs. 2 and 3,12 lower side of substrate extends downwardly out cover board 13, and is fixed with and leads on the lower side of substrate 12
Wind item 125, wind guide strip 125 are located at substrate 12 close to 13 side of cover board, and the gap between wind guide strip 125 and cover board 13 forms drainage
Channel 5, drainage channel 5 are flowed out for importing the air of flowing into cooling duct 4, and from 4 upper end of cooling duct.Substrate 12
If being fixed with the heat-dissipating fin 122 that dry plate is vertically arranged on the side wall of 13 side of cover board, the air flowed can be drained
Channel 5 is directed in cooling duct 4, and is contacted with heat-dissipating fin 122, takes away heat-dissipating fin 122 and the heat on substrate 12, most
It is flowed out eventually from 4 upper end of cooling duct.
With reference to figure 1,4 upper end of cooling duct is arranged without masking, so that rainwater also more can smoothly enter cooling
In channel 4, to be cooled down to lamp body 1.
With reference to figure 2, lamp housing 14 is fixed with several radiating ribs 142 on the side wall far from 11 side of lampshade, and lamp housing 14 is separate
11 side of lampshade is fixed with two panels fixed ear 141.Bearing 2 includes one piece of mounting plate 22, is used for connection plate 22 and lamp housing 14
Two connecting rods 21, the upper end of two connecting rods 21 is located at the both sides of fixed ear 141, and passes through fastening bolt 23 and fastening spiral shell
Cap（It is not shown in figure）It is fixed in fixed ear 141.22 arc-shaped setting of mounting plate is then conducive to that mounting plate 22 is made preferably to paste
It closes on tile, to improve the degree of firmly installing of mounting plate 22.The marginal position of mounting plate 22 is fixed in 21 lower end of connecting rod
Place.When mounting plate 22 to be installed between two panels tile, more next block of tile can be bonded on the downside of mounting plate 22, compared with
Lastblock tile can be bonded in the upper side of mounting plate 22.By making connecting rod 21 be fixed at the marginal position of mounting plate 22,
Be conducive to improve mounting plate 22 upper side and compared with the bond area between lastblock tile, to improve between the device and tile
Installation strength.
Specific implementation process：Mounting plate 22 is first bonded on the upside of more next block of tile by installation process, then will be compared with lastblock
Tile is bonded on the upper side of mounting plate 22, to which mounting plate 22 to be installed between two panels tile.Remove fastening bolt 23
And fastening nut, the fixation of connecting rod 21 and fixed ear 141 is released, then adjust the irradiating angle of lamp body 1 until properly, it is complete
At installation upper fastening bolt 23 and fastening nut after adjusting, lamp body 1 is made to be fastened on bearing 2.
Cooling procedure since lamp body 1 is typically mounted at the edge one week on roof, and is irradiated towards room beam direction, is then flowed
Air generally blow over from 1 back side of lamp body, that is, lamp body 1 close to 141 side of fixed ear, and the air of this part flowing is by first quilt
Drainage channel 5 is directed in cooling duct 4, and is contacted with heat-dissipating fin 122, and heat-dissipating fin 122 and the heat on substrate 12 are taken away
Amount is finally flowed out from 4 upper end of cooling duct.Likewise, in the case of the rainy day, rainwater is fallen in cooling duct 4, finally from drainage
Channel 5 vents, and rainwater can also cool down each component on substrate 12 and lamp housing 14 during this.So drainage channel 5
The purpose in 12 downside of substrate, which is arranged, is：Enable rainwater is more smoothly to proceed in cooling duct 4, to improve rainwater to cooling logical
The cooling-down effect in road 4.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of corrugated lamp of high efficiency and heat radiation, including lamp body（1）And bearing（2）, it is characterized in that：The lamp body（1）Include successively
There is lampshade（11）, substrate（12）, cover board（13）, lamp housing（14）, bearing（2）Mounted on lamp housing（14）Side and lamp housing（14）On
Offer placing groove（3）, placing groove（3）Power supply is inside installed（32）, cover board（13）Closing cap is in placing groove（3）Notch；Base
Plate（12）Far from cover board（13）Side is equipped with light source（121）And substrate（12）With cover board（13）Gap setting is simultaneously formed cooling logical
Road（4）, substrate（12）On be equipped with for by substrate（12）It is fixed on cover board（13）On fixing piece（124）, lampshade（11）Gu
It is scheduled on substrate（12）Far from cover board（13）Side and lampshade（11）It is equipped with lens（111）；Cover board（13）On be provided with through-hole
（131）, power supply（32）On connected conducting wire（33）And conducting wire（33）One end sequentially passes through through-hole（131）, cooling duct（4）And with
Substrate（12）On light source（121）Connection.
2. a kind of corrugated lamp of high efficiency and heat radiation according to claim 1, it is characterized in that：The substrate（12）Lower side extends
Go out cover board（13）And substrate（12）Lower side on be fixed with wind guide strip（125）, wind guide strip（125）Positioned at substrate（12）Close to lid
Plate（13）Side, wind guide strip（125）With cover board（13）Between gap formed for importing the air of flowing into cooling duct
（4）Drainage channel（5）.
3. a kind of corrugated lamp of high efficiency and heat radiation according to claim 1, it is characterized in that：The substrate（12）Close to cover board
（13）Side is fixed with heat-dissipating fin（122）.
4. a kind of corrugated lamp of high efficiency and heat radiation according to claim 1, it is characterized in that：The substrate（12）Close to cover board
（13）Side is fixed with penetration pipe（123）And penetration pipe（123）Pierce into through-hole（131）It is interior, conducting wire（33）Penetration pipe is pierced into one end
（123）Interior and and substrate（12）On light source（121）Connection.
5. a kind of corrugated lamp of high efficiency and heat radiation according to claim 4, it is characterized in that：The penetration pipe（123）With through-hole
（131）Between sealing ring is installed（132）.
6. a kind of corrugated lamp of high efficiency and heat radiation according to claim 1, it is characterized in that：The cooling duct（4）Upper end without
Masking setting.
7. a kind of corrugated lamp of high efficiency and heat radiation according to claim 1, it is characterized in that：The lamp housing（14）Far from cover board
（13）It is fixed with radiating ribs on the side wall of side（142）.
8. a kind of corrugated lamp of high efficiency and heat radiation according to claim 1, it is characterized in that：The lamp housing（14）Far from cover board
（13）Side is fixed with fixed ear（141）, bearing（2）It is bolted to fixed ear（141）On.
9. a kind of corrugated lamp of high efficiency and heat radiation according to claim 1, it is characterized in that：The bearing（2）Including mounting plate
（22）, be used for connection plate（22）And lamp housing（14）Connecting rod（21）, mounting plate（22）The arc-shaped setting in section.
10. a kind of corrugated lamp of high efficiency and heat radiation according to claim 9, it is characterized in that：The connecting rod（21）It is fixed on
Mounting plate（22）Marginal position at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080343.1A CN108317491B (en) | 2018-01-27 | 2018-01-27 | A kind of corrugated lamp of high efficiency and heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080343.1A CN108317491B (en) | 2018-01-27 | 2018-01-27 | A kind of corrugated lamp of high efficiency and heat radiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108317491A true CN108317491A (en) | 2018-07-24 |
| CN108317491B CN108317491B (en) | 2019-10-18 |
Family
ID=62887969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810080343.1A Active CN108317491B (en) | 2018-01-27 | 2018-01-27 | A kind of corrugated lamp of high efficiency and heat radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317491B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202382109U (en) * | 2011-11-22 | 2012-08-15 | 北京朗波尔光电股份有限公司 | LED (light emitting diode) corrugated lamp |
| CN203517493U (en) * | 2013-09-02 | 2014-04-02 | 贵州恩纬西光电科技发展有限公司 | Light-emitting diode (LED) corrugated lamp |
| CN203743998U (en) * | 2013-12-31 | 2014-07-30 | 重庆恩纬西实业发展有限公司 | Lamp body component of double-face corrugated lamp |
| CN203836820U (en) * | 2014-05-27 | 2014-09-17 | 北京新时空照明技术有限公司 | Corrugated lamp |
| CN104373845A (en) * | 2014-11-12 | 2015-02-25 | 广德利德光电有限公司 | Waterproof heat dissipating LED lamp |
| CN206055357U (en) * | 2016-08-24 | 2017-03-29 | 安徽普罗斯环境工程有限公司 | Corrugated lamp |
| CN206469086U (en) * | 2017-01-16 | 2017-09-05 | 中山市茂聚照明电器有限公司 | One kind combination radiation type LED lamp fixture |
| CN206929730U (en) * | 2017-07-25 | 2018-01-26 | 江苏品正光电科技有限公司 | A kind of LED corrugated lamps |
-
2018
- 2018-01-27 CN CN201810080343.1A patent/CN108317491B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202382109U (en) * | 2011-11-22 | 2012-08-15 | 北京朗波尔光电股份有限公司 | LED (light emitting diode) corrugated lamp |
| CN203517493U (en) * | 2013-09-02 | 2014-04-02 | 贵州恩纬西光电科技发展有限公司 | Light-emitting diode (LED) corrugated lamp |
| CN203743998U (en) * | 2013-12-31 | 2014-07-30 | 重庆恩纬西实业发展有限公司 | Lamp body component of double-face corrugated lamp |
| CN203836820U (en) * | 2014-05-27 | 2014-09-17 | 北京新时空照明技术有限公司 | Corrugated lamp |
| CN104373845A (en) * | 2014-11-12 | 2015-02-25 | 广德利德光电有限公司 | Waterproof heat dissipating LED lamp |
| CN206055357U (en) * | 2016-08-24 | 2017-03-29 | 安徽普罗斯环境工程有限公司 | Corrugated lamp |
| CN206469086U (en) * | 2017-01-16 | 2017-09-05 | 中山市茂聚照明电器有限公司 | One kind combination radiation type LED lamp fixture |
| CN206929730U (en) * | 2017-07-25 | 2018-01-26 | 江苏品正光电科技有限公司 | A kind of LED corrugated lamps |
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| Publication number | Publication date |
|---|---|
| CN108317491B (en) | 2019-10-18 |
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