CN108709102A - A kind of binary channels lightguide - Google Patents
A kind of binary channels lightguide Download PDFInfo
- Publication number
- CN108709102A CN108709102A CN201810549220.8A CN201810549220A CN108709102A CN 108709102 A CN108709102 A CN 108709102A CN 201810549220 A CN201810549220 A CN 201810549220A CN 108709102 A CN108709102 A CN 108709102A
- Authority
- CN
- China
- Prior art keywords
- box body
- light
- holding tank
- guiding pillar
- internal channel
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/40—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of hollow light guides
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of binary channels lightguides, including outer tunnel box body, internal channel box body, the first light-guiding pillar and the second light-guiding pillar；Outer tunnel box body includes the first holding tank that can place first light-guiding pillar, internal channel box body can also be placed in first holding tank, internal channel box body includes the second holding tank that can place second light-guiding pillar, the outer end face of internal channel box body is provided with the first flange part along the parallel horizontal layout of the lateral surface of internal channel box body, the madial wall of outer tunnel box body is provided with the third holding tank that can accommodate first flange part, the second flange part is formed between first holding tank and third holding tank, the outer end face of internal channel box body is additionally provided with light-absorbing material layer；When internal channel box body and mutually chimeric outer tunnel box body, the first flange part is embedded in third holding tank, and the end abutment of the second flange part is in light-absorbing material layer.The binary channels lightguide of the present invention can effectively solve the problem that twin-channel lightguide light leakage and optical crosstalk problem.
Description
Technical field
The invention belongs to light guide techniques fields, and in particular to a kind of binary channels lightguide.
Background technology
Lightguide changes the radiation direction of LED light by the bending distressed structure of light-guiding pillar, and the light of LED light is conveyed
To outside equipment, facilitates and the working condition for judging relevant device in machine is monitored according to light derived from light-guiding pillar；It is existing to lead
More light-guiding pillars are usually used to realize that the LED lamplight on the pcb board in equipment is passed to outside equipment in light device, but when multiple
Light-guiding pillar is side by side in use, be susceptible to left and right, upper and lower optical crosstalk or the problem of light leakage between every two light-guiding pillars, so as to cause sight
The problem of the working condition inaccuracy of equipment is examined, and two light-guiding pillars are provided separately, the design space of pcb board can be increased.
Invention content
It is an object of the invention to：The problem of there are problems that optical crosstalk or light leakage for existing lightguide, provides one kind
Binary channels lightguide forms a kind of lightguide module, multiple can side by side use, can effectively solve the problem that the optical crosstalk between light-guiding pillar
Or the problem of light leakage.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of binary channels lightguide, including outer tunnel box body, internal channel box body, the first light-guiding pillar and the second light-guiding pillar；
The outer tunnel box body includes the first holding tank that can place first light-guiding pillar, and described first accommodates
The internal channel box body can also be placed in slot, the internal channel box body includes can place second light-guiding pillar the
The outer end face of two holding tanks, the internal channel box body is provided with along the parallel horizontal layout of the lateral surface of internal channel box body
First flange part, the madial wall of the outer tunnel box body are provided with the third holding tank that can accommodate first flange part,
The second flange part, the outer end face of the internal channel box body are formed between first holding tank and the third holding tank
It is additionally provided with light-absorbing material layer；When the internal channel box body and the mutually chimeric outer tunnel box body, described first is convex
The edge insertion third holding tank, the end abutment of second flange part is in the light-absorbing material layer.
Further, it when first light-guiding pillar is installed on first holding tank, is provided in the first holding tank
The reserved space of paster LED can be accommodated.
Further, it when second light-guiding pillar is installed on second holding tank, is provided in the second holding tank
The reserved space of paster LED can be accommodated.
Further, first light-guiding pillar includes the first light extraction section, the first guide-lighting section and the first construction section, described
First guide-lighting section has the plane of reflection, and reflective material layer is provided between the plane of reflection and the cell wall of the second holding tank.
Further, the first light extraction section is provided with several the first frustum protrusions and several second frustums are convex
It rises, the cell wall of first holding tank is provided with the first frustum chamber that can accommodate the first frustum protrusion, and described is interior
The outer wall of channel box body is provided with the second frustum chamber that can accommodate the second frustum protrusion；The first construction section setting
There are the first dovetail tangs, the cell wall of first holding tank to be provided with the first dovetail that can accommodate first dovetail tangs
Slot；First construction section and the corner part of the described first guide-lighting section are additionally provided with the first spill fixed strip, the first spill
There is extension, the outer wall of the outer tunnel box body to be provided with the anti-extraction ring for fixing the extension at the both ends of fixed strip
First light-guiding pillar is fixed in first holding tank by plug, the first spill fixed strip.
Further, the anti-extraction ring plug and the extension, which are all made of, does not protrude from the outer tunnel box body
Lateral surface damascene structures.
Further, second light-guiding pillar includes the second light extraction section, the second guide-lighting section and the second construction section, described
Second guide-lighting section has the plane of reflection, and reflective material layer is provided between the plane of reflection and the cell wall of the second holding tank.
Further, the second light extraction section is provided with several third frustum protrusions, second holding tank
Cell wall is provided with the third frustum chamber that can accommodate the third frustum protrusion；Second construction section is provided with the second dovetail
Protrusion, the cell wall of second holding tank are provided with the second dovetail groove that can accommodate second dovetail tangs；Described
Second construction section and the corner part of the described second guide-lighting section are additionally provided with the second spill fixed strip, and the two of the second spill fixed strip
End has extension, and the outer wall of the outer tunnel box body is provided with the anti-extraction ring plug for fixing the extension, described
The second spill fixed strip second light-guiding pillar is fixed in second holding tank.
Further, the anti-extraction ring plug and the extension, which are all made of, does not protrude from the outer tunnel box body
Lateral surface damascene structures.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
The binary channels lightguide of the present invention, it is interior by the way that the box body of lightguide is divided into internal channel box body and outer tunnel box body
The structure of channel box body insertion outer tunnel box body, outer tunnel box body inward passage box body form a package, ensure the whole of the two
Body and compact-sized, the seaming position between outer tunnel box body and internal channel box body is also by flange part and groove structure
The bending path of formation effectively reduces light leakage, and it is existing to be further provided with the light leakage that light-absorbing material layer effectively reduces at gap
As that will solve the problems, such as that two light-guiding pillars form lightguide and will appear light leakage and optical crosstalk from root；And the leaded light of the application
Device is also particularly well-suited for the use side by side of multiple lightguides, carrys out indicative occasion to be applicable to multiple light beams, no
It can optical crosstalk and light leakage.
The binary channels lightguide of the present invention, can inside equipment fine arrangement, the design that pcb board can be saved it is empty
Between.
Description of the drawings
Fig. 1 is the front view of the binary channels lightguide of the present invention；
Fig. 2 is the front sectional view of the binary channels lightguide of the present invention；
Fig. 3 is the upward view of the binary channels lightguide of the present invention；
Fig. 4 is the front view of the first spill fixed strip and the second spill fixed strip of the binary channels lightguide of the present invention.
Reference numeral：
1- outer tunnel box bodys, 11- the first frustum chambers, the first dovetail grooves of 12-, 13- third holding tanks；
The first light-guiding pillars of 2-, 21- the first light extraction sections, the guide-lighting sections of 22- first, the first construction sections of 23-, the first frustums of 24- are convex
It rises, 25- the second frustum protrusions, the first dovetail tangs of 26-；
The second light-guiding pillars of 3-, 31- the second light extraction sections, the guide-lighting sections of 32- second, the second construction sections of 33-, 34- third frustums are convex
It rises, the second dovetail tangs of 35-；
4- internal channel box bodys, 41- the second frustum chambers, 42- third frustum chambers, the second dovetail grooves of 43-, the first flange parts of 44-,
The second flange parts of 45-；
51- the first spill fixed strips, 52- the second spill fixed strips, 53- extensions；
6- reflective material layers；
7- anti-extraction ring plugs；
8- light-absorbing material layers.
Specific implementation mode
Referring to Fig.1-4, binary channels lightguide of the invention, including outer tunnel box body 1, internal channel box body 4, the first light-guiding pillar
2 and second light-guiding pillar 3, outer tunnel box body 1 include the first holding tank that can place first light-guiding pillar 2, the first holding tank
In can also place internal channel box body 4, internal channel box body 4 includes the second holding tank that can place second light-guiding pillar 3.This
In embodiment, outer tunnel box body 1 and internal channel box body 4 are all made of rectangular stereochemical structure, and are all made of two of which side
Opening, it is intermediate have reeded structure, therefore, outer tunnel box body 1 and internal channel box body 4 all have there are two the larger outside of area
The outer end face in face and two interconnections, outer end face are separated two lateral surfaces.The small volume of internal channel box body 4, and it is outer
The volume of channel box body 1 is larger, and outer tunnel box body 1 can accommodate internal channel box body 4 and the first light-guiding pillar 2 completely, to
So that binary channels lightguide keeps a globality, while being also prevented from light leakage.
When installation, the first light-guiding pillar 2 can be placed in the first holding tank of outer tunnel box body 1, the second light-guiding pillar 3 is placed in interior
In second holding tank of channel box body 4, then the component of 4 and second light-guiding pillar 3 of entire internal channel box body is integrally placed at the second appearance
It receives in slot, completes the assembly of early period, it is easy to operate and conveniently.
The outer end face of internal channel box body 4 is provided with first along the parallel horizontal layout of the lateral surface of internal channel box body 4
Flange part 44, the madial wall of outer tunnel box body 1 are provided with the third holding tank 13 that can accommodate first flange part 44, and first
The second flange part 45 is formed between holding tank and third holding tank 13.Third holding tank 13 is using indent in outer tunnel box body 1
Medial surface forms, and it is also to flush with the medial surface or positioned at the position of indent, in this way can be formed by the second flange part 45
Entire 1 integral thickness of outer tunnel box body is effectively reduced, the arrangement space of pcb board is saved.Certainly, if not considering space problem,
Third holding tank 13 and the second flange part 45 can not also use the structure of indent, the second flange part 45 based on medial surface,
It outwardly protrudes, can also complete the setting to third holding tank 13 and the second flange part 45 in this way, ensure outer tunnel box body 1
With the assembly of internal channel box body 4.
The outer end face of internal channel box body 4 is additionally provided with light-absorbing material layer 8, and internal channel box body 4 is mutually embedding with outer tunnel box body 1
When conjunction, the first flange part 44 is embedded in third holding tank 13, and the end abutment of the second flange part 45 is in light-absorbing material layer 8.First leads
The light that light beam 2 leaks out needs the contact site by the first flange part 44 and internal channel box body 4, then turns by internal channel box body 4
It, finally could be between the lateral surface and the medial surface of outer tunnel box body 1 of internal channel box body 4 with the contact site of third holding tank 13
Gap leak out, in this way by multiple reflections, can effectively reduce light leak situation, it is final to solve optical crosstalk phenomenon.Simultaneously second
The end abutment of flange part 45 is in light-absorbing material layer 8, after being absorbed by light-absorbing material layer 8, is finally leaked out without light,
It is proved by test of many times, without light leakage phenomena.In order to further prevent the possibility of light leakage, also spread in third holding tank 13
Equipped with light-absorbing material layer 8.Black cloth may be used in light absorbent in the present embodiment or carbon black materials are made, naturally it is also possible to adopt
It is completed with other materials with photo absorption performance.
In the present invention, when the first light-guiding pillar 2 is installed on the first holding tank, patch can be accommodated by being provided in the first holding tank
The reserved space of LED.When second light-guiding pillar 3 is installed on the second holding tank, paster LED can be accommodated by being provided in the second holding tank
Reserved space.By that in reserved space, can be formed and be shrouded to the adopting surface mounted LED lamp source on pcb board, finally by leaded light
Column is transmitted to outside equipment.
First light-guiding pillar 2 includes the first light extraction section 22 and first construction section 23 of the 21, first guide-lighting section, and the first guide-lighting section 22 has
There is the plane of reflection, reflective material layer 6 is provided between the plane of reflection and the cell wall of the second holding tank.First light extraction section 21 is provided with
Several first frustums protrusion 24 and several the second frustum protrusions 25, the cell wall of the first holding tank be provided with can accommodate it is described
First frustum chamber 11 of the first frustum protrusion 24, the outer wall of internal channel box body 4, which is provided with, can accommodate the second frustum protrusion
25 the second frustum chamber 41.When installing the first light-guiding pillar 2 in first holding tank, can be inserted by the first frustum protrusion 24
Into the first frustum chamber 11, one of positioning is completed.First construction section 23 is provided with the first dovetail tangs 26, the first holding tank
Cell wall be provided with the first dovetail groove 12 that can accommodate first dovetail tangs 26.When being packed into, by the first leaded light
First dovetail tangs 26 of column 2 are inserted into the first dovetail groove 12 of the first holding tank, to complete the second positioning so that the
One light-guiding pillar 2 is in a kind of relatively steady state in the first holding tank.First construction section 23 is turned with the first guide-lighting section 22
Corner is additionally provided with the first spill fixed strip 51, and the both ends of the first spill fixed strip 51 have extension 53, outer tunnel box body 1
Outer wall is provided with the anti-extraction ring plug 7 for fixing the extension 53, and the first spill fixed strip 51 is by first light-guiding pillar 2
It is fixed in the first holding tank.The fixed effect to the first light-guiding pillar 2 can be completed by the first spill fixed strip 51, the
The extension 53 at the both ends of one spill item then rides on the outer wall of outer tunnel box body 1, passes through the anti-extraction ring plug 7 on outer wall
The fixation of the first spill fixed strip 51 is completed, to realize the fixation to the first light-guiding pillar 2.In order to further reach fixed effect
Fruit can also be provided with anti-extraction ring plug 7 on the first light-guiding pillar 2, the first spill is inserted by the anti-extraction ring plug 7 of the position
The bottom of fixed strip 51, to further fix the first light-guiding pillar 2.
The extension 53 of anti-extraction ring plug 7 and the first spill fixed strip 51 on outer tunnel box body 1, which is all made of, not to be protruded
In the damascene structures of the lateral surface of the outer tunnel box body 1, it can effectively prevent multiple binary channels lightguides so mutually simultaneously
Row is in use, will not interfere with each other, guarantee arrangement space.
When installing internal channel box body 4 in first holding tank, it is inserted into the second cone by the second frustum chamber 41
During platform convex plays 25, the positioning of inward passage box body 4 is formed, while being fixed by the installation of inward passage box body 4, can also be played
Fixed effect further is positioned to the first light-guiding pillar 2.
Second light-guiding pillar 3 includes the second light extraction section 32 and second construction section 33 of the 31, second guide-lighting section, and the second guide-lighting section 32 has
There is the plane of reflection, reflective material layer 6 is provided between the plane of reflection and the cell wall of the second holding tank.Second light extraction section 31 is provided with
Several third frustum protrusions 34, the cell wall of the second holding tank are provided with the third cone that can accommodate the third frustum protrusion 34
Platform chamber 42.It is inserted into third frustum chamber 42, that is, is completed to the second light-guiding pillar by the third frustum protrusion 34 of the second light-guiding pillar 3
3 are relatively fixed with a position of internal channel box body 4.
Second construction section 33 is provided with the second dovetail tangs 35, and the cell wall of the second holding tank, which is provided with, can accommodate described
Second dovetail groove 43 of two dovetail tangs 35.While the second light-guiding pillar 3 is installed, it is inserted by the second dovetail tangs 35
In second dovetail groove 43, to complete being relatively fixed to the second light-guiding pillar 3 and another position of internal channel box body 4
Second construction section 33 and the corner part of the second guide-lighting section 32 are additionally provided with the second spill fixed strip 52, and the second spill is solid
There is extension 53, the outer wall of outer tunnel box body 1 to be provided with the anti-extraction ring for fixing the extension 53 at the both ends for determining item 52
Second light-guiding pillar 3 is fixed in the second holding tank by plug 7, the second spill fixed strip 52.According to foregoing first
The fixed form of spill fixed strip 51 is the same, and the second light-guiding pillar 3 is fixed in the second holding tank using same principle.When
Two light-guiding pillars 3 and the second holding tank ensure after fixing, also to the second holding tank and the first light-guiding pillar 2, the first light-guiding pillar 2 and first
It is relatively fixed between holding tank, so that entire outer tunnel box body 1, the first light-guiding pillar 2, internal channel box body 4 and second are led
Light beam 3 forms preferable fixed effect.
The binary channels lightguide of the present invention, by the way that the box body of lightguide is divided into internal channel box body 4 and outer tunnel box body 1,
Internal channel box body 4 is embedded in the structure of outer tunnel box body 1, and 1 inward passage box body 4 of outer tunnel box body forms a package, ensures two
The globality of person and compact-sized, seaming position between outer tunnel box body 1 and internal channel box body 4 also by flange part and
The bending path that groove structure is formed effectively reduces light leakage, and is further provided with light-absorbing material layer 8 and effectively reduces at gap
Light leakage phenomena, will solve the problems, such as that two light-guiding pillars form lightguides and will appear light leakage and optical crosstalk from root；And this hair
Bright lightguide is also particularly well-suited for the use side by side of multiple lightguides, next indicative to be applicable to multiple light beams
Occasion, will not optical crosstalk and light leakage.
Claims (9)
1. a kind of binary channels lightguide, which is characterized in that including outer tunnel box body, internal channel box body, the first light-guiding pillar and second
Light-guiding pillar；
The outer tunnel box body includes the first holding tank that can place first light-guiding pillar, in first holding tank
The internal channel box body can also be placed, the internal channel box body includes that can place the second of second light-guiding pillar to hold
Receive slot, the outer end face of the internal channel box body is provided with first along the parallel horizontal layout of the lateral surface of internal channel box body
Flange part, the madial wall of the outer tunnel box body is provided with the third holding tank that can accommodate first flange part, described
The first holding tank and the third holding tank between form the second flange part, the outer end face of the internal channel box body is also set
It is equipped with light-absorbing material layer；When the internal channel box body and the mutually chimeric outer tunnel box body, first flange part
The embedded third holding tank, the end abutment of second flange part is in the light-absorbing material layer.
2. binary channels lightguide according to claim 1, which is characterized in that first light-guiding pillar is installed on described
When the first holding tank, the reserved space that can accommodate paster LED is provided in the first holding tank.
3. binary channels lightguide according to claim 1, which is characterized in that second light-guiding pillar is installed on described
When the second holding tank, the reserved space that can accommodate paster LED is provided in the second holding tank.
4. binary channels lightguide according to claim 1, which is characterized in that first light-guiding pillar includes the first light extraction
There is the plane of reflection, the plane of reflection and second to hold for section, the first guide-lighting section and the first construction section, the described first guide-lighting section
Receive slot cell wall between be provided with reflective material layer.
5. binary channels lightguide according to claim 4, which is characterized in that the first light extraction section is provided with several
First frustum protrusion and several second frustums protrusion, the cell wall of first holding tank, which is provided with, can accommodate described first
First frustum chamber of frustum protrusion, the outer wall of the internal channel box body, which is provided with, can accommodate the of second frustum protrusion
Two frustum chambers；First construction section is provided with the first dovetail tangs, and the cell wall of first holding tank is provided with can
Accommodate the first dovetail groove of first dovetail tangs；The corner part of the guide-lighting section of first construction section and described first is also
It is provided with the first spill fixed strip, there is extension, the outer wall of the outer tunnel box body to set at the both ends of the first spill fixed strip
It is equipped with the anti-extraction ring plug for fixing the extension, first light-guiding pillar is fixed on by the first spill fixed strip
In first holding tank.
6. binary channels lightguide according to claim 5, which is characterized in that the anti-extraction ring plug and described prolong
Extending portion is all made of the damascene structures for the lateral surface for not protruding from the outer tunnel box body.
7. binary channels lightguide according to claim 1, which is characterized in that second light-guiding pillar includes the second light extraction
There is the plane of reflection, the plane of reflection and second to hold for section, the second guide-lighting section and the second construction section, the described second guide-lighting section
Receive slot cell wall between be provided with reflective material layer.
8. binary channels lightguide according to claim 7, which is characterized in that the second light extraction section is provided with several
Third frustum protrusion, the cell wall of second holding tank are provided with the third frustum that can accommodate the third frustum protrusion
Chamber；Second construction section is provided with the second dovetail tangs, and the cell wall of second holding tank, which is provided with, can accommodate institute
State the second dovetail groove of the second dovetail tangs；Second construction section and the corner part of the described second guide-lighting section are additionally provided with
The both ends of second spill fixed strip, the second spill fixed strip have extension, the outer wall setting of the outer tunnel box body useful
In the anti-extraction ring plug of the fixation extension, second light-guiding pillar is fixed on described by the second spill fixed strip
In second holding tank.
9. binary channels lightguide according to claim 8, which is characterized in that the anti-extraction ring plug and described prolong
Extending portion is all made of the damascene structures for the lateral surface for not protruding from the outer tunnel box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549220.8A CN108709102B (en) | 2018-05-31 | 2018-05-31 | Double-channel light guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549220.8A CN108709102B (en) | 2018-05-31 | 2018-05-31 | Double-channel light guide device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108709102A true CN108709102A (en) | 2018-10-26 |
| CN108709102B CN108709102B (en) | 2020-06-19 |
Family
ID=63870175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549220.8A Active CN108709102B (en) | 2018-05-31 | 2018-05-31 | Double-channel light guide device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108709102B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141554Y (en) * | 2007-12-27 | 2008-10-29 | 英顺达科技有限公司 | Light guiding structure |
| CN102182969A (en) * | 2011-05-16 | 2011-09-14 | 康佳集团股份有限公司 | Side incident LED (Light Emitting Diode) light source backlight module |
| CN206892388U (en) * | 2017-07-25 | 2018-01-16 | 四川巴根科技有限公司 | A kind of binary channels boxlike lightguide |
-
2018
- 2018-05-31 CN CN201810549220.8A patent/CN108709102B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141554Y (en) * | 2007-12-27 | 2008-10-29 | 英顺达科技有限公司 | Light guiding structure |
| CN102182969A (en) * | 2011-05-16 | 2011-09-14 | 康佳集团股份有限公司 | Side incident LED (Light Emitting Diode) light source backlight module |
| CN206892388U (en) * | 2017-07-25 | 2018-01-16 | 四川巴根科技有限公司 | A kind of binary channels boxlike lightguide |
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| Publication number | Publication date |
|---|---|
| CN108709102B (en) | 2020-06-19 |
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