CN2480686Y - Improvement for light-guide pipe - Google Patents

Improvement for light-guide pipe Download PDF

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Publication number
CN2480686Y
CN2480686Y CN01219544U CN01219544U CN2480686Y CN 2480686 Y CN2480686 Y CN 2480686Y CN 01219544 U CN01219544 U CN 01219544U CN 01219544 U CN01219544 U CN 01219544U CN 2480686 Y CN2480686 Y CN 2480686Y
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CN
China
Prior art keywords
light
improvement
photoconductive tube
tube
film
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Expired - Fee Related
Application number
CN01219544U
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Chinese (zh)
Inventor
吴觉宇
陈耀南
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GUOQIAO PHOTO TECHNOLOGY Co Ltd
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GUOQIAO PHOTO TECHNOLOGY Co Ltd
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Priority to CN01219544U priority Critical patent/CN2480686Y/en
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Publication of CN2480686Y publication Critical patent/CN2480686Y/en
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Abstract

Disclosed is an improvement of a photoconductive tube, which mainly relates to equipping a fogging surface film in the photoconductive tube to make the light emitted tender. A mirror surface film with non-closed section is arranged in the inner layer of the photoconductive tube, the light conducted by the light conducting film arranged on the light blocking film of the mirror surface can be reflected and focused to assigned illumination direction by using the reflecting mirror surface of the tube and the angle of the section. Or a reflecting element is arranged in the tube to provide a reflecting surface with a 360 degrees range, according to the co-operating with an end cap, which is arranged at the end of the photoconductive tube to avoid the loss of light source in the tube from the axial end, the goals of improving illuminance and saving energy can be achieved.

Description

The improvement of photoconductive tube
The utility model relates to a kind of improvement of photoconductive tube.Be particularly related to and a kind ofly prevent that light source from leaking and the light reflection is concentrated to increase the photoconductive tube of illumination.
Please refer to Figure 1A, the structure of known photoconductive tube 1 comprises an outer tube 10, a light guiding film 11 and the stationery film 12 that is in the light, and forms a tube with hollow space 13, and the structural representation that its part is amplified is shown in ' Figure 1B '.Its middle external tube 10 is made by transparent, transparent material, for example perspex, acryl or PC manage, light guiding film 11 is made by transparent polycarbonate, and be laid on the nexine of outer tube 10, stationery is in the light film 12 then between outer tube 10 and light guiding film 11, and the example shown in the figure represents that stationery 12 of the films that are in the light cover half surface area of light guiding film 11.When actual fabrication, the film 12 that must earlier stationery be in the light is put into the nexine of outer tube 10, again light guiding film 11 is put into, light guiding film 11 conduct the light that can by means of stationery be in the light film 12 diffusion and become comparatively even, just the light that overall optical conduit 1 is sent is comparatively even, can be because of from the position of light source distance the different problem of brightness being arranged.
When photoconductive tube 1 in performance during its illuminating effect, light guiding film 11 is guided light by the light source generator place.Owing to have a plurality of wavy stripeds that form via laser-induced thermal etching in the light guiding film 11, so the light of some angle can be excessive because of angle, there is not total reflection and transmission is gone out.Because the film 12 that is in the light of known stationery or plastic cement acryl material has the light transmission of a little, therefore can allow part light leak to the outside of photoconductive tube 1, cause the brightness of photoconductive tube 1 to lower; Perhaps, the power that need to strengthen light source generator is keeping same brightness, but this measure can make that also the lighting device power consumption is bigger.
The utility model provides a kind of improved photoconductive tube for addressing the above problem, and can be fully light is concentrated and be projected to specific direction, and the light that allows light guiding film send also adds evenly, concentrate, and increasing the brightness of illumination of photoconductive tube, and then to make it also be power saving.
Improvement according to the disclosed photoconductive tube of the utility model, in photoconductive tube, increase the cloudy surface film, make the light of emission also soft, and the end in a side of photoconductive tube increases by an end cap, miss from its axial end to avoid the light in the photoconductive tube, the surface of lid also can have reflective function, can will utilize in the light reflected light conduit again; On the other hand, also having designed a kind of cross section in the photoconductive tube is nonocclusive mirror film, and making originally can leak to the photoconductive tube light from outside is reflected and concentrates to specific direction radiation output, increases brightness of illumination and purpose of power saving to reach; Or design a kind of reflecting element, the reflecting surface of 360 degree scopes is provided, utilize its special shaped design, such as cross section is the cylinder or even the cone of cross or other shapes, with and the reflector layer on surface, reflector layer is that reflective good metal or paper-like materials constitute, and the light that can't exhale in the pipe can be reflexed on the light guiding film and transmission is gone out, effectively utilize the light in the pipe, increase illuminance and purpose of power saving to reach.
For making the purpose of this utility model, architectural feature and function thereof that further understanding be arranged, now be described with reference to the accompanying drawings as follows:
Figure 1A, 1B are the structural representation of the known photoconductive tube of expression;
Fig. 2 is the schematic diagram of the photoconductive tube structure of first embodiment of the present utility model;
Fig. 3 A-Fig. 3 D is the schematic diagram of the outer tube of the utility model photoconductive tube;
Fig. 4 A-Fig. 4 B is the structural representation of the photoconductive tube of the utility model second embodiment;
Fig. 5 increases the schematic diagram of reflecting element for the utility model;
Fig. 6 A, 6B are the schematic diagram of expression the utility model reflector layer;
Fig. 7 A-7C is the cross sectional representation of the utility model reflecting element first embodiment;
Fig. 8 is the second embodiment schematic diagram of the utility model reflecting element; And
Fig. 9 is the cross sectional representation of the utility model reflecting element second embodiment.
Please refer to ' Fig. 2 ',, comprise an outer tube 10, a light guiding film 11, end cap 15, a cloudy surface film 16 and a light source generator 3 according to the disclosed photoconductive tube 2 of the utility model.Outer tube 10 formation one have the tube of hollow space 13.Outer tube 10 is made by transparent, transparent material, and for example perspex or pressure gram or PC manage, and its cross section is made up of a plurality of rhombuses; 11 of light guiding film are made by transparent polycarbonate, and are laid on the nexine of outer tube 10, and cloudy surface film 16 is laid between outer tube 10 and the light guiding film 11, and it is soft that the light of emission is also added, and its material can be paraffin paper or other translucent similar paper woods.Light source generator 3 is installed in an end of outer tube 10, is used to provide light source.Light source generator 3 can be Halogen lamp LED, mercury vapor lamp, composition metal lamp or light-emittingdiode light-emitting components such as (LED); End cap 15 is installed in the other end of outer tube 10, be used to avoid the light source in the photoconductive tube to miss from its axial end, and the side surface that end cap 15 is connected on outer tube 10 also has reflection function (such as adding a minute surface or stick good material of reflective function or the like on end cap), can can supply to utilize once more with the part in the outer tube 10 towards the inside of the light reflected back outer tube 10 of axial irradiation.
The section of photoconductive tube 2 of the present utility model differs and establishes a capital the same circle that is with ' Fig. 2 ', also can be made into ellipse (as ' shown in Fig. 3 A '), triangle (as ' shown in Fig. 3 B '), semicircle (as ' shown in Fig. 3 C '), or rectangle (as ' shown in Fig. 3 D '), structure wherein and effect all and ' Fig. 2 ' that embodiment narrated was identical, be changed to different section configurations just in order to adapt to different places, for example: the dining room, dance hall etc., or engineering construction, for example: tunnel illumination, the building view, bridge, road mark etc., even can be used in the dust free room.Please refer to ' Fig. 3 C, make among the semicircular embodiment at section, also can on the face that need not export light, (for example semicircular diameter parts) substitute with a pedestal 25, to avoid the waste of unnecessary cost and light source, in any case, the utility model can be embodied on the diversified lighting installation, not with above-mentioned exceeding of enumerating.
When reality is made, please refer to ' shown in Fig. 4 A ', outer tube 10 forms the geometry of the utility model photoconductive tube 2 outsides, in order to design the angle of various irradiations, between cloudy surface film 16 and light guiding film 11, lay a mirror film 21, so the light that light guiding film 11 is conducted can be concentrated outwards output by means of the reflection of mirror film 21; Therefore mirror film 21 can be avoided being leaked to the outside of the utility model photoconductive tube 2 by the light that light guiding film 11 scatters for being selected from the film of reflective good metal or paper-like materials; Lay one at innermost layer in addition and strengthen brightness layer 22, be used for the light transmission again light source generator sent far-end, to strengthen the brightness of far-end to photoconductive tube 2.The structural representation that the part of photoconductive tube 2 is amplified is as ' shown in Fig. 4 B ', and reinforcement brightness layer 22 can be another mirror film, optical waveguide layer or reflecting strips (a kind of paper with reflection function).
Other parts as for said structure can not be to distribute circumferentially entirely, that is to say from axial section perpendicular to outer tube 10, mirror film 21 and reinforcement brightness layer 22 can be nonocclusive annular, and its angle basis allows the scope that the light of photoconductive tube 2 shines determine; What represent among the figure is to go out with the angular illumination of about 90 degree, and the mirror film 21 that therefore is in the light and the distribution of light guiding film 11 are approximately the scope of 3/4ths circumference, just can vacate 1/4th the part that allows light radiation goes out.
On the other hand, the photoconductive tube 2 of 360 degree irradiations (just do not have mirror film 21 and strengthen brightness layer 22) also has a reflecting element 14a, one side is fixed on end cap 15 (see figure 5)s, and insert outer tube 10 inside, be used for will pipe in the light that can't conduct, such as the light of the light of some angle too small or some and outer tube 10 almost parallels, reflex on the light guiding film 11 and conduct.
' Fig. 5 ' is depicted as first embodiment of reflecting element 14a.Reflecting element 14 roughly becomes a cylinder, and its cross section is a cross, and the surface has a reflector layer 141.The preferred embodiment of reflector layer 141 is the film that is selected from reflective good metal or paper-like materials, can adopt mode such as electroplate or paste to be fixed thereon.Because this type of material has good reflective, can be with the direction reflection outside pipe of the light in the pipe, just reflex on the light guiding film 11 and conduct, thereby can also add the light that effectively utilizes in the pipe, make brightness of illumination increase, perhaps on the other hand, can keep the brightness identical but also for power saving with known device.
Reflecting element 14a can form the cross section on its adjacent both sides be the rib of curved surface, make reflector layer 141 for circular arc (as ' and shown in Fig. 6 A ') or the section configuration of parabola shaped curves such as (shown in figure ' 6B '), can reach the effect of reflection equally, and reflector layer 141 can paste or electroplate on its surface; The cross section of reflecting element 14a is not defined as cross yet, also can be circle (as ' shown in Fig. 7 A '), hexagon (as ' shown in Fig. 7 B ') or octagonal (as ' and shown in Fig. 7 C ') etc. geometry, can comply with the different different transverse shapes of Demand Design.
Second embodiment of the utility model reflecting element 14b is shown in ' Fig. 8 '.Reflecting element 14b can be cone, and can be a cone, is equally to be fixed on then to insert outer tube 10 inside on the end cap 15.Its surface has reflector layer 141, the direction outside pipe of the light in the pipe can be reflexed on the light guiding film 11 to conduct.Similarly, reflecting element 14b is not defined as cone yet, also can be pyrometric cone (as ' and shown in Fig. 9 A ') or quadrangular pyramid (as ' and shown in Fig. 9 B ') etc. shape, all have same effect, according to different demands go the design.
The utility model increases by a cloudy surface film in photoconductive tube, can make the light of emission also soft, and at one end increase by an end cap, and the surface of end cap has reflecting power, can prevent that light is scattered and disappeared by its axial end, light is reflected in the return pipe utilize once more; On the other hand, mirror film by means of reflective good metal or paper-like materials, utilize itself good being in the light property, can avoid light to scatter to the back of photoconductive tube, the effect that has mirror surface again because of metal material itself can reflection ray and light is concentrated penetrate to a specific direction radiation; Or can in pipe, install a reflecting element additional, be fixed on the end cap of outer tube one end, insert in the photoconductive tube then, the reflecting surface of 360 degree scopes can be provided, utilize the design of reflecting element special shape and the good characteristic of reflective of reflector layer (can be reflective good metal or paper-like materials) on surface thereof, can will originally can't scatter in the pipe that the photoconductive tube light from outside reflexes to light guiding film and outwards output, thereby can also add the light that effectively utilizes in the pipe, therefore, not only brightness of illumination can be improved, and the effect of power saving can be reached again.
The above is a preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model; Be that all equivalences of doing according to claims of the present utility model change and improvement all is that claim scope of the present utility model covers.

Claims (21)

1, a kind of improvement of photoconductive tube is characterized in that comprising at least:
-outer tube for a kind of hollow conduit, is made by transparent material;
-be used to produce the light source generator of light, be installed in outer tube one end;
-guide the light guiding film of the light that also direction output light source generator produces outside pipe equably, be laid on the inwall of outer tube;
-light that light Pipe apparatus is distributed also adds soft uniform cloudy surface film, is laid between outer tube and the light guiding film; And
-be used to avoid the end cap of the interior light of outer tube from its axial end leakage, be installed in the other end of outer tube.
2, the improvement of photoconductive tube as claimed in claim 1 is characterized in that also comprising:
-as the mirror film of reflective mirror, be laid between cloudy surface film and the light guiding film with reflection ray; And
-be used to strengthen the reinforcement brightness layer of brightness of the light of photoconductive tube end, be positioned at the nexine of light guiding film;
Wherein, from the axial section perpendicular to outer tube, mirror film and reinforcement brightness layer are nonocclusive annular, and can decide the scope of photoconductive tube irradiation by means of the angle of control mirror film and reinforcement brightness.
3, as the improvement of photoconductive tube as described in the claim 2, the material that it is characterized in that mirror film is selected from one of them of group that reflective good metal or stationery form.
4, one of them of the group of as the improvement of photoconductive tube as described in the claim 2, it is characterized in that strengthening the brightness layer and be being selected from a reflecting strips, one second light guiding film, forming with one second mirror film.
5, the improvement of photoconductive tube according to claim 1 is characterized in that also including a reflecting element, its end is fixed on end cap and inserts in the outer tube, its surface has a reflector layer, the direction outside pipe of the light in the outer tube is reflexed to light guiding film outwards export, and effectively utilizes the light in the outer tube.
6, the improvement as photoconductive tube as described in the claim 5 is characterized in that reflecting element is a cylinder.
7, as the improvement of photoconductive tube as described in the claim 6, it is characterized in that shape of cross section that reflecting element is selected from cylinder is cross, circle, hexagon, the group formed with octagonal one of them.
8, the improvement of photoconductive tube shown in claim 7 is characterized in that cross section is that the adjacent both sides of criss-cross reflecting element are formed with a curved rib, makes reflector layer form a plurality of curved surfaces.
9, the improvement as photoconductive tube as described in the claim 5 is characterized in that reflecting element is a cone.
10, as photoconductive tube as described in the claim 9 improvement, it is characterized in that reflecting element is selected from circular cone, pyrometric cone, the group formed with quadrangular pyramid one of them.
11, the improvement as photoconductive tube as described in the claim 4 is characterized in that reflector layer pastes on the reflecting element surface.
12, as the improvement of photoconductive tube as described in the claim 4, it is characterized in that reflector layer electroplates the surface at reflecting element.
13, as the improvement of photoconductive tube as described in the claim 4, it is characterized in that reflector layer is selected from one of them of group that reflective function good metal or paper-like materials form.
14, the improvement of photoconductive tube according to claim 1, the material that it is characterized in that outer tube is one of them of the group that is selected from plastic cement, acryl, formed with the PC pipe.
15, the improvement of photoconductive tube according to claim 1, it is characterized in that light source generator is Halogen lamp LED, mercury vapor lamp, combination metalized lamp, the group formed with light emitting diode one of them.
16, the improvement of photoconductive tube according to claim 1, the material that it is characterized in that light guiding film is to be selected from transparent Merlon to make.
17, as the improvement of photoconductive tube as described in the claim 16, it is characterized in that light guiding film is made up of a plurality of rhombuses.
18, the improvement of photoconductive tube according to claim 1 is characterized in that the cloudy surface film is a kind of translucent paper wood.
19, the improvement of photoconductive tube according to claim 1 is characterized in that the cloudy surface film is a paraffin paper.
20, the improvement of photoconductive tube according to claim 1 is characterized in that end cap is connected on a side of outer tube, and its surface also has reflection function, the inside of the part in the outer tube towards the light reflected back outer tube of axial irradiation can be utilized once more.
21, the improvement of photoconductive tube according to claim 1, one of them of the group that the section that it is characterized in that outer tube is selected from circle, ellipse, triangle, semicircle, form with rectangle.
CN01219544U 2001-04-16 2001-04-16 Improvement for light-guide pipe Expired - Fee Related CN2480686Y (en)

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Application Number Priority Date Filing Date Title
CN01219544U CN2480686Y (en) 2001-04-16 2001-04-16 Improvement for light-guide pipe

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Application Number Priority Date Filing Date Title
CN01219544U CN2480686Y (en) 2001-04-16 2001-04-16 Improvement for light-guide pipe

Publications (1)

Publication Number Publication Date
CN2480686Y true CN2480686Y (en) 2002-03-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101055061B (en) * 2006-04-13 2010-05-26 Lg电子株式会社 Light guide, method and apparatus for manufacturing the same, and illuminating system having the same
CN105042514A (en) * 2015-07-06 2015-11-11 上海小糸车灯有限公司 Light guide anti-light-leakage structure
CN107389558A (en) * 2016-04-05 2017-11-24 唯亚威解决方案股份有限公司 Light pipe for spectrum analysis

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101055061B (en) * 2006-04-13 2010-05-26 Lg电子株式会社 Light guide, method and apparatus for manufacturing the same, and illuminating system having the same
CN105042514A (en) * 2015-07-06 2015-11-11 上海小糸车灯有限公司 Light guide anti-light-leakage structure
CN107389558A (en) * 2016-04-05 2017-11-24 唯亚威解决方案股份有限公司 Light pipe for spectrum analysis
CN107389558B (en) * 2016-04-05 2022-02-25 唯亚威通讯技术有限公司 Light pipe for spectral analysis
US11442004B2 (en) 2016-04-05 2022-09-13 Viavi Solutions Inc. Light pipe for spectroscopy

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C19 Lapse of patent right due to non-payment of the annual fee
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