CN108591866A - A kind of diffusing reflection LED line - Google Patents
A kind of diffusing reflection LED line Download PDFInfo
- Publication number
- CN108591866A CN108591866A CN201810390743.2A CN201810390743A CN108591866A CN 108591866 A CN108591866 A CN 108591866A CN 201810390743 A CN201810390743 A CN 201810390743A CN 108591866 A CN108591866 A CN 108591866A
- Authority
- CN
- China
- Prior art keywords
- line
- plate
- end cover
- input socket
- diffusing reflection
- 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
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- -1 aluminium alloy Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
-
- 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
-
- 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 diffusing reflection LED lines, including the first line lamp, the second line lamp and power connector；First line lamp and the second line lamp include first end cover, second end cover, bottom plate, shell, reflector plate, LED light bar, power supply, power input line, power supply output line, the first input socket and the second input socket, one end of power connector is connect with the other end of the second input socket of the first line lamp, and the other end of power connector is connect with the other end of the first input socket of the second line lamp.Through the above way, diffusing reflection LED line connecting method disclosed in this invention is more convenient, the mirror-reflection that disclosure satisfy that the length requirement for diffusing reflection LED line, while light can be avoided caused on metal shell improves the light efficiency of diffusing reflection LED line.
Description
Technical field
The present invention relates to technical field of lamps, more particularly to a kind of diffusing reflection LED line.
Background technology
More and more wider with the use scope of LED light, the occasion that diffusing reflection LED line uses is more and more.However by
It is different in use environment, cause the length of required line lamp also different, is needing in the longer use environment of length,
The existing following two modes of generally use meet the demand：A kind of mode is LED light by the way of being spliced using multiple LED light bars
Item is to be set in metal shell, i.e., by the end cap of the lower diffusing reflection LED line of dismounting, then on the basis of a LED light bar
Other LED light bar in upper splicing, existing this kind of connecting method installation are inconvenient；Another way is directly to replace a length more
Long diffusing reflection LED line, this kind of mode still cannot be satisfied the extremely long partial picture of length requirement.
In addition the light that LED light bar is distributed in existing diffusing reflection LED line can cause minute surface on metal shell
Reflection so that the light efficiency of diffusing reflection LED line is poor.
Invention content
The invention mainly solves the technical problem of providing a kind of diffusing reflection LED lines, and connecting method is more convenient, can
Meet the length requirement for diffusing reflection LED line, while the minute surface that light can be avoided caused on metal shell is anti-
It penetrates, improves the light efficiency of diffusing reflection LED line.
In order to solve the above technical problems, one aspect of the present invention is：A kind of diffusing reflection LED line item is provided
Lamp, including：First line lamp, the second line lamp and power connector；First line lamp and the second line lamp include
It is first end cover, second end cover, bottom plate, shell, reflector plate, LED light bar, power supply, power input line, power supply output line, first defeated
Enter socket and the second input socket, wherein shell includes a top plate and two side plates being oppositely arranged；First end cover and the
Two end caps are relatively arranged on the both sides of shell, and bottom plate is oppositely arranged with top plate, and power supply is set to first end cover, second end cover, bottom
In the space that plate and shell are surrounded, the first input socket is set in first end cover, and the second input socket is set to
On two end caps, and the first input socket, the second input socket are respectively positioned in space, and reflector plate is set in space and reflector plate
Edge is connect with the top margin of side plate, first end cover, second end cover and bottom plate respectively, and the both ends of LED light bar are set respectively
It is placed in first end cover and second end cover, and LED light bar is located at reflector plate towards the side of bottom plate；One end of power input line
Connect with one end of the first input socket, the other end of power input line respectively with the input terminal of power supply and the second input socket
One end connection, the output end of one end of power supply output line and power supply connects, and the other end and the LED light bar of power supply output line connect
It connects, one end of power connector is connect with the other end of the second input socket of the first line lamp, the other end of power connector
It is connect with the other end of the first input socket of the second line lamp.
Further, diffusing reflection LED line further includes connecting plate, and the side of connecting plate is set to the outer of the first line lamp
The other side of shell side, connecting plate is set to the shell side of the second line lamp.
Further, the second end cover of the first line lamp and the first end cover of the second line lamp are oppositely arranged.
Further, connecting plate is equipped with self-fastening button.
Further, two side plates include the first side plate and the second side plate, and the edge of reflector plate is respectively with the
The side connection of the top margin of two side plates, the inside of first end cover, the inside of second end cover and bottom plate, the side of bottom plate is
Far from the second side plate.
Further, the arc-shaped shape of reflector plate.
Further, the first input socket, the second input socket and power supply are respectively positioned on side of the reflector plate backwards to bottom plate.
Further, LED light bar includes pcb board and multiple light sources, and pcb board is in strip, and the both ends of pcb board are set respectively
It is placed on the side of first end cover and the side of second end cover, multiple light sources are arranged at intervals at pcb board backwards to the second side plate
On side.
Further, first end cover is equipped with first through hole with respect to the other end of the first input socket, and second end cover is with respect to the
The other end of two input sockets is equipped with the second through-hole.
Further, power supply is equipped with a fixed plate, and fixed plate is equipped with a fixing groove, and power card is set in fixing groove, fixed
The top of plate is connect with top plate.
The beneficial effects of the invention are as follows：The case where being different from the prior art, diffusing reflection LED line item disclosed in this invention
Lamp realizes the electricity of the first line lamp and the second line lamp by power connector, the first input socket and the second input socket
It realizes the splicing of the first line lamp and the second line lamp for electrical connection, disclosure satisfy that the length for diffusing reflection LED line in source
Demand；In addition by the way that reflector plate is arranged, the mirror-reflection that light can be avoided caused on metal shell improves diffusing reflection
The light efficiency of LED line.
Description of the drawings
Fig. 1 is the dimensional structure diagram of diffusing reflection LED line of the present invention；
Fig. 2 is the dimensional structure diagram of the first line lamp and power connector in diffusing reflection LED line of the present invention；
Fig. 3 is the dimensional structure diagram of the first line lamp in diffusing reflection LED line of the present invention；
Fig. 4 is schematic top plan view when first line lamp does not include shell in diffusing reflection LED line of the present invention；
Fig. 5 is dimensional structure diagram when first line lamp does not include shell in diffusing reflection LED line of the present invention；
Fig. 6 is solid when first line lamp does not include shell and reflector plate in diffusing reflection LED line of the present invention
Structural schematic diagram.
Specific implementation mode
- 6 are please referred to Fig.1, diffusing reflection LED line of the present invention includes：First line lamp 1, the second line lamp 2 and power supply
Connector 3.
First line lamp 1 and the second line lamp 2 include first end cover 41, second end cover 42, bottom plate 43, shell
44, reflector plate 45, LED light bar 46, power supply 47, power input line 48, power supply output line 49, the first input socket 50 and second
Input socket 51, wherein shell 44 include a top plate 441 and two side plates 442 being oppositely arranged.That is the first line lamp 1 and
Two line lamps 2 are identical structure composition.Concretely the metals such as aluminium alloy, bottom plate 43 can be diffuser plate to the material of shell 44,
First end cover 41 and second end cover 42 concretely plastic material.
First end cover 41 can be relatively arranged on the both sides of shell, bottom plate 43 and top plate 441 with second end cover 42 by bolt
It being oppositely arranged, power supply 47 is set in the space that first end cover 41, second end cover 42, bottom plate 43 and shell 44 are surrounded,
First input socket 50 is set in first end cover 41, and the second input socket 51 is set in second end cover 42, and the first input
Socket 50, the second input socket 51 are respectively positioned in above-mentioned space, and reflector plate 45 is set in space and the surrounding of reflector plate 45
Edge is connect with the top margin of side plate 442, first end cover 41, second end cover 42 and bottom plate 43 respectively.The both ends of LED light bar 46 point
It is not set in first end cover 41 and second end cover 42, and LED light bar 46 is located at reflector plate 45 towards the side of bottom plate 43.
One end of power input line 48 is connect with one end of the first input socket 50, the other end difference of power input line 48
It is connect with one end of the input terminal of power supply 47 and the second input socket 51, the output of one end and power supply 47 of power supply output line 49
End connection, the other end of power supply output line 49 connect with LED light bar 46, and the of one end of power connector 3 and the first line lamp 1
The other end of two input sockets 51 connects, and the other end of power connector 3 is another with the first input socket 50 of the second line lamp 2
One end connects.It is appreciated that in a line lamp, one end of the first input socket 50 and one end of the second input socket 51 are
It is oppositely arranged.
In order to make the stable connection of the first line lamp 1 and the second line lamp 2, the diffusing reflection LED line of the present embodiment is also
Including connecting plate 52, the side of connecting plate 52 is set to 44 side of shell of the first line lamp 1, the other side setting of connecting plate 52
In 44 side of shell of the second line lamp 2,41 phase of first end cover of the second end cover 42 of the first line lamp 1 and the second line lamp 2
To setting；This outside link plate 52 is equipped with self-fastening button 53, and the quantity of self-fastening button 53 can be two, and two self-fastening buttons 53 are detained set respectively
In on the first line lamp 1 and the second line lamp 2.The material of connecting plate 52 concretely metallic plate.
Two side plates 442 of shell 44 specifically include the first side plate 4421 and the second side plate 4422, it is preferable that reflector plate
45 edge respectively with the top margin of the second side plate 4422, the inside of first end cover 41, second end cover 42 inside and
The side of bottom plate 43 connects, and the side of bottom plate 43 is far from the second side plate 4422, it is possible to understand that the side of the bottom plate 43
The as bottom edge of the first side plate 4421, i.e. reflector plate 45 are to be obliquely installed in above-mentioned space.The specific arc-shaped shape of reflector plate 45,
Certainly in other embodiments, reflector plate 45 is alternatively the other shapes such as rectangular-shaped.
Specifically, the first input socket 50, the second input socket 51 and power supply 47 are respectively positioned on reflector plate 45 backwards to bottom plate 43
Side, i.e. the space that first end cover 41, second end cover 42, bottom plate 43 and shell 44 are surrounded is separated into two by reflector plate 45
A independent space, LED light bar 46 are located in a separate space, it is possible to understand that in the separate space, reflector plate 45 is covering
It is set to 441 region of top plate of shell 44；Power supply 47, the first input socket 50, the second input socket 51 are located at another independent empty
In；It can be by opening up through-hole on reflector plate 45, so that the other end of power supply output line 49 passes through the through-hole and LED light bar 46
It is attached.LED light bar 46 includes pcb board 461 and multiple light sources 462, and pcb board 461 is in strip, the both ends of pcb board 461
It is respectively arranged on the side of first end cover 41 and the side of second end cover 42, multiple light sources 462 are arranged at intervals at pcb board
461 on the side of the second side plate 4422, i.e., light source 462 is to be arranged towards reflector plate 45.
First end cover 41 is equipped with first through hole with respect to the other end of the first input socket 50, and second end cover 42 relatively second is defeated
The other end for entering socket 51 is equipped with the second through-hole, the first input socket 50 and the second input socket 51 concretely three-pin socket,
3 phase of power connector should be the setting of three feet, and preferably 3 shell of power connector is plastic material, it is possible to understand that above-mentioned power supply connects
The one end for connecing device 3 is connect by the second through-hole with the other end of the second input socket 51 of the first line lamp 1, power connector 3
The other end connect with the other end of the first input socket 50 of the second line lamp 2 by first through hole.It is solid that power supply 47 is equipped with one
Fixed board 471, fixed plate 471 are equipped with a fixing groove, and power supply 47 is arranged in fixing groove, the top of fixed plate 471 by bolt with
Top plate 441 connects, to realize the fixation of power supply 47.
The diffusing reflection LED line operation principle of the present invention is illustrated below：
The other end of first input socket 50 of the first line lamp 1 is connect with an external input power line 54, is First Line
Bar lamp 1 and the power supply of the second line lamp 2：The other end of the power input line 48 of first line lamp 1 connects with the input terminal of power supply 47
It connects, for powering for power supply 47, power supply 47 is further connect with LED light bar 46, to realize that the work of the first line lamp 1 supplies
Electricity；In addition the one end of the other end of the power input line 48 of the first line lamp 1 also with the second input socket 51 of the first line lamp 1
Connection, one end of second input socket 51 are another by power connector 3 and the first input socket 50 of the second line lamp 2
End connection, to be embodied as 2 input power of the second line lamp, similarly, the second line lamp 2 passes through the another of power input line 48
End is connect with one end of the input terminal of power supply 47 and the second input socket 51 respectively, realizes the work power supply of the second line lamp 2.
The first line lamp 1 and the second line lamp 2 are realized by power connector 3, the first input socket 50 and the second input socket 51
Power supply power supply connection, realize the first line lamp 1 and the second line lamp 2 splicing, disclosure satisfy that for diffusing reflection LED line
Length requirement.It is appreciated that in the case where needing length longer, another lines can be spliced again on the second line lamp 2
Lamp, is similarly arranged the splicing that three line lamps can be realized in another power connector, can also realize other numbers such as four line lamps
The splicing of amount；When diffusing reflection LED line do not need length it is longer when, you can the first line lamp 1 and the second lines will be set to
Power connector 3 between lamp 2 removes, and the other end of the first input socket 50 of the second line lamp 2 is external defeated by connection one
Entering power cord 54 can work independently.
In addition, by the way that a reflector plate 45 is arranged in the first line lamp 1, the second line lamp 2, LED light bar 46 is set to instead
It penetrates in the separate space that piece 45 is separated, reflector plate 45 is set to the top plate 441 of shell 44 in the separate space for covering
Region, the light that LED light bar 46 is distributed are to be irradiated on reflector plate 45, avoid light from being irradiated on shell 44, will not cause
Mirror-reflection, to improve the light efficiency of diffusing reflection LED line.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of diffusing reflection LED line, which is characterized in that including：
First line lamp, the second line lamp and power connector；
First line lamp and the second line lamp include first end cover, second end cover, bottom plate, shell, reflector plate,
LED light bar, power supply, power input line, power supply output line, the first input socket and the second input socket, wherein the shell
Including a top plate and two side plates being oppositely arranged；
The first end cover is relatively arranged on the both sides of the shell with the second end cover, and the bottom plate is opposite with the top plate
Setting, the power supply is set in the space that the first end cover, second end cover, bottom plate and shell are surrounded, and described the
One input socket is set in the first end cover, and second input socket is set in the second end cover, and described
One input socket, the second input socket are respectively positioned in the space, and the reflector plate is set in the space and the reflection
The edge of piece is connect with the top margin of side plate, first end cover, second end cover and bottom plate respectively, and the two of the LED light bar
End is respectively arranged in the first end cover and second end cover, and the LED light bar is located at the reflector plate towards bottom plate
Side；
One end of the power input line is connect with one end of first input socket, the other end point of the power input line
It is not connect with one end of the input terminal of the power supply and the second input socket, one end of the power supply output line and the power supply
Output end connection, the other end of the power supply output line connect with the LED light bar, one end of the power connector and institute
State the other end connection of the second input socket of the first line lamp, the other end of the power connector and second line lamp
The first input socket the other end connection.
2. diffusing reflection LED line according to claim 1, which is characterized in that the diffusing reflection LED line further includes
Connecting plate, the side of the connecting plate are set to the shell side of first line lamp, the other side setting of the connecting plate
In the shell side of second line lamp.
3. diffusing reflection LED line according to claim 2, which is characterized in that the second end cover of first line lamp
It is oppositely arranged with the first end cover of second line lamp.
4. diffusing reflection LED line according to claim 2, which is characterized in that the connecting plate is equipped with self-fastening button.
5. diffusing reflection LED line according to claim 1, which is characterized in that described two side plates include the first side plate
And second side plate, the edge of the reflector plate respectively with the top margin of the second side plate, the inside of first end cover, second end
The inside of lid and the side connection of bottom plate, wherein the side of the bottom plate is far from second side plate.
6. diffusing reflection LED line according to claim 5, which is characterized in that the arc-shaped shape of reflector plate.
7. diffusing reflection LED line according to claim 5, which is characterized in that the first input socket, the second input socket
The reflector plate is respectively positioned on backwards to the side of bottom plate with the power supply.
8. diffusing reflection LED line according to claim 5, which is characterized in that the LED light bar include pcb board and
Multiple light sources, the pcb board are in strip, and the both ends of the pcb board are respectively arranged at the side and the of the first end cover
On the side of two end caps, multiple light sources are arranged at intervals at the pcb board on the side of second side plate.
9. diffusing reflection LED line according to claim 1, which is characterized in that the first end cover relatively described first
The other end of input socket is equipped with first through hole, and the other end of relatively described second input socket of the second end cover is equipped with second
Through-hole.
10. diffusing reflection LED line according to claim 1, which is characterized in that the power supply is equipped with a fixed plate, institute
It states fixed plate and is equipped with a fixing groove, the power card is set in the fixing groove, and the top of the fixed plate connects with the top plate
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390743.2A CN108591866A (en) | 2018-04-26 | 2018-04-26 | A kind of diffusing reflection LED line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390743.2A CN108591866A (en) | 2018-04-26 | 2018-04-26 | A kind of diffusing reflection LED line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591866A true CN108591866A (en) | 2018-09-28 |
Family
ID=63610691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810390743.2A Pending CN108591866A (en) | 2018-04-26 | 2018-04-26 | A kind of diffusing reflection LED line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591866A (en) |
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| CN202629625U (en) * | 2012-03-19 | 2012-12-26 | 浙江印加光电科技有限公司 | Integrated assembled wireless dimming light emitting diode (LED) lamp |
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| CN205956825U (en) * | 2016-06-21 | 2017-02-15 | 广东金达照明科技股份有限公司 | Diffuse reflection roof LED lamp |
| CN106764608A (en) * | 2016-12-21 | 2017-05-31 | 方昕（深圳）新能源技术有限公司 | A kind of splice and its spliced line lamp |
| CN206280792U (en) * | 2016-12-21 | 2017-06-27 | 方昕（深圳）新能源技术有限公司 | A kind of splice and its spliced line lamp |
| CN206398439U (en) * | 2017-01-22 | 2017-08-11 | 刘传荣 | A kind of LED line |
| CN208295614U (en) * | 2018-04-26 | 2018-12-28 | 广州市科锐达光电技术有限公司 | A kind of diffusing reflection LED line |
| CN209485965U (en) * | 2018-10-30 | 2019-10-11 | 浙江大学 | A kind of underwater spectral reflectivity in-situ measurement device of binocular imaging formula |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202629625U (en) * | 2012-03-19 | 2012-12-26 | 浙江印加光电科技有限公司 | Integrated assembled wireless dimming light emitting diode (LED) lamp |
| KR20160006332A (en) * | 2014-07-08 | 2016-01-19 | 주식회사 케이에스비 | LED Light Unit using high-reflective and high-thermal-conductive sheet |
| CN204187361U (en) * | 2014-10-11 | 2015-03-04 | 深圳市乐的美光电科技有限公司 | Seamless spliced lamp |
| CN105841813A (en) * | 2016-05-11 | 2016-08-10 | 浙江大学 | Underwater space three-dimensional spectral imager and imaging method |
| CN106402695A (en) * | 2016-06-21 | 2017-02-15 | 广东金达照明科技股份有限公司 | Diffuse reflection roof LED lamp |
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| CN106764608A (en) * | 2016-12-21 | 2017-05-31 | 方昕（深圳）新能源技术有限公司 | A kind of splice and its spliced line lamp |
| CN206280792U (en) * | 2016-12-21 | 2017-06-27 | 方昕（深圳）新能源技术有限公司 | A kind of splice and its spliced line lamp |
| CN206398439U (en) * | 2017-01-22 | 2017-08-11 | 刘传荣 | A kind of LED line |
| CN208295614U (en) * | 2018-04-26 | 2018-12-28 | 广州市科锐达光电技术有限公司 | A kind of diffusing reflection LED line |
| CN209485965U (en) * | 2018-10-30 | 2019-10-11 | 浙江大学 | A kind of underwater spectral reflectivity in-situ measurement device of binocular imaging formula |
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Application publication date: 20180928 |