CN213986905U

CN213986905U - Light guide structure and equipment for realizing inclined light emission at low cost

Info

Publication number: CN213986905U
Application number: CN202120006662.5U
Authority: CN
Inventors: 刘三三; 张凌
Original assignee: Fiberhome Telecommunication Technologies Co Ltd
Current assignee: Fiberhome Telecommunication Technologies Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-08-17
Anticipated expiration: 2031-01-04

Abstract

The utility model relates to the technical field of communication, a light guide structure and equipment for realizing inclined light emission at low cost are provided, the light guide structure for realizing inclined light emission at low cost comprises a first part and a second part, the first part comprises a first reflecting surface, a surrounding rib and a light emitting surface, and the light emitting surface is provided with a light outlet; the second component comprises a second reflecting surface and a blocking rib; the first component and the second component are assembled to form an optical path propagation optical cavity; the utility model discloses changed traditional solid light-directing structure, provided a light-directing structure of slope light-emitting is realized to low-cost, this light-directing structure of slope light-emitting is realized to low-cost forms the light path through the equipment of first part with the second part and propagates the light chamber, and this light-directing structure still makes because its hollow structure when realizing the slope light-emitting with less optical loss the utility model provides a light-directing structure's price/performance ratio is higher, uses widely in the communication technology field easily, has practicality and spreading value.

Description

Light guide structure and equipment for realizing inclined light emission at low cost

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of communication technology, more specifically relates to a light-directing structure and equipment of slope light-emitting are realized to low-cost.

[ background of the invention ]

The structural layout of the optical communication terminal equipment in the current market is generally that an indicator light is welded on a PCB main board or a Flexible Printed Circuit (FPC), and then light is transmitted through a light guide column. A light guide is a device that transmits light from one light source to another point some distance from the light source with minimal loss. The light is transmitted inside the light guide column by means of total reflection. Due to the limitation of production cost, the light guide column is usually made of optical materials, such as: acrylic, polycarbonate, epoxy, and glass. The light guide bar can be used to transmit the light from the LEDs on the PCB to the product panel to display relevant status, can also collect and direct light for backlighting the LCD display screen, and can also be used to illuminate the pattern on the transmissive window.

However, due to the limitations of factors such as the aesthetic appearance of the entire optical communication terminal device and space limitations, the indicator light and the light emitting holes on the housing are often arranged in a staggered manner rather than in a relative manner, and therefore, it is necessary to implement oblique light emission. As shown in fig. 1, currently, a conventional method for realizing oblique light emission is to add a light guide pillar, and the light guide pillar is designed with a total reflection surface to realize light transmission; present leaded light post is entity column structure mostly, therefore above-mentioned leaded light post is its light generally sent by luminous end when the leaded light, will cause the leaded light post to be brighter in one side of neighbouring luminous end like this, and the one side of keeping away from luminous end is darker, light is great at the loss of transmission in-process promptly, entity column structure light loss is great, holistic luminous efficiency is not high, and shading effect often is not enough, if reach good shading effect often need carry out other crosstalk prevention to the leaded light post and handle, make the manufacturing cost of leaded light post increase, the leaded light performance and the price/performance ratio of current leaded light structure are all less than ideal, can not satisfy people's ever-increasing requirement well.

Patent application with publication number CN103091762A and publication date of 2013, 5.8 discloses a light guide column, a manufacturing method thereof and a portable electronic device using the light guide column, as shown in fig. 2, although two reflecting surfaces are disclosed in the light guide body, on one hand, the light guide body in the patent is a solid cylinder, and the solid structure of the light guide body causes the loss of light in the transmission process to be large, and the overall luminous efficiency is not high; on the other hand, this light conductor perisporium coats in proper order and is stamped a reflector layer and a light shield layer, and forms through the mould internal molding integrated into one piece that moulds plastics, and this makes the manufacturing cost of leaded light post show the increase, and this light guide structure's leaded light performance and cost price are all less ideal, can not satisfy people's ever-increasing requirement well.

In view of the above, it is an urgent problem in the art to overcome the above-mentioned drawbacks of the prior art.

[ Utility model ] content

The utility model discloses the technical problem that needs to solve is, the leaded light post that realizes the slope light-emitting at present is entity columnar structure mostly, the leaded light post of this kind of structure often appears bright in one side of neighbouring luminous end when the leaded light, and it is darker to keep away from luminous end one side, the optical loss of entity columnar structure is great promptly, and entity light guide structure's manufacturing cost is higher, the leaded light performance who leads to current light guide structure is not good enough and manufacturing cost is higher, can not satisfy people's requirement that increases day by day well.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the utility model provides a low-cost light-directing structure who realizes slope light-emitting, low-cost light-directing structure who realizes slope light-emitting includes first part 1 and second part 2, wherein:

the first component 1 comprises a first reflecting surface 11, a surrounding rib 12 and a light-emitting surface 13; the second component 2 comprises a second reflecting surface 21 and a stop rib 22; the first component 1 and the second component 2 are assembled to form an optical path propagation optical cavity;

the first reflecting surface 11 is configured to be disposed opposite to the indicator lamp 31, the second reflecting surface 21 is disposed opposite to the light emitting surface 13, the first reflecting surface 11 is configured to reflect the light of the indicator lamp 31 to the second reflecting surface 21, and the second reflecting surface 21 is configured to reflect the light of the indicator lamp 31 to the light emitting surface 13.

Preferably, after the first member 1 and the second member 2 are assembled to form the optical path propagation cavity, the first reflecting surface 11 and the second reflecting surface 21 form a parallel structure.

Preferably, the light guide structure for realizing oblique light emission at low cost further includes an indicator light (31) and a light exit (14) located on the light exit surface (13), specifically:

the center of the light path of the indicator light (31) is located on the center line of the first reflecting surface (11), the center line of the first reflecting surface (11) is aligned with the center line of the second reflecting surface (21), and the center of the light outlet (14) is aligned with the center line of the second reflecting surface (21).

Preferably, the first component 1 and the second component 2 are made of plastic materials.

Preferably, the first reflecting surface 11 and the second reflecting surface 21 are both processed into bright surfaces.

Preferably, the surrounding rib 12 is provided with a chamfer angle around.

In a second aspect, the utility model provides an equipment of slope light-emitting is realized to low-cost, the equipment of slope light-emitting is realized to low-cost includes the leaded light structure of foretell low-cost realization slope light-emitting, the equipment of slope light-emitting is realized to low-cost still includes circuit board 3, be equipped with on the circuit board 3 pilot lamp 31, the light that pilot lamp 31 sent is in the optical cavity, the warp first plane of reflection 11 with behind the reflection of second plane of reflection 21, follow play plain noodles 13 jets out.

Preferably, the top surface 15 of the surrounding rib is tightly attached to the circuit board 3, so that the light of the indicator light 31 only propagates in the light cavity.

Preferably, one or at least two indicator lights 31 are arranged on the circuit board 3, and each indicator light 31 is correspondingly provided with the light guide structure for realizing oblique light emission at low cost.

Preferably, the circuit board 3 is provided with a wiring prohibiting device corresponding to the indicator lamp 31 for safe wiring.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:

the utility model discloses changed traditional solid light-directing structure, provided a light-directing structure of slope light-emitting is realized to low-cost, this light-directing structure of slope light-emitting is realized to low-cost forms the light path through the equipment of first part with the second part and propagates the light chamber, and this light-directing structure still makes because its hollow structure when realizing the slope light-emitting with less optical loss the utility model provides a light-directing structure's price/performance ratio is higher, uses widely in the communication technology field easily, has practicality and spreading value.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a light guide structure for realizing oblique light emission, which is commonly used in the prior art and provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a light guide pillar, a manufacturing method thereof, and a portable electronic device using the light guide pillar according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a light guide structure for realizing oblique light emission at low cost according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first component of a light guiding structure for realizing oblique light emission at low cost according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second component of a light guiding structure for realizing oblique light emission at low cost according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a light guide structure for realizing oblique light emission at low cost according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a light guide structure for realizing oblique light emission at low cost according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an apparatus for realizing oblique light emission at low cost according to an embodiment of the present invention;

in the figure: 1. a first member; 2. a second component; 3. a circuit board; 11. a first reflective surface; 12. encircling the rib; 13. a light-emitting surface; 14. a light outlet; 15. the top surface of the enclosing rib; 21. a second reflective surface; 22. blocking ribs; 23. a bump; 31. and an indicator light.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in detail with reference to the accompanying drawings and examples.

Example 1:

the utility model provides a low-cost light-directing structure who realizes slope light-emitting, as shown in FIG. 3, low-cost light-directing structure who realizes slope light-emitting includes first part 1 and second part 2, wherein:

as shown in fig. 4, the first component 1 includes a first reflection surface 11, a surrounding rib 12 and a light exit surface 13; the first reflecting surface is marked by oblique lines in fig. 4, the surrounding rib 12 surrounds the first reflecting surface 11 and the light emitting surface 13, so that the assembly is convenient and the light can be shielded, and the surrounding rib 12 can be made of an elastic material;

as shown in fig. 5, the second member 2 includes a second reflecting surface 21 and a rib 22; the second reflecting surface is marked by oblique lines in fig. 5, the blocking rib 22 may be made of a material with certain hardness, and during the assembling process, the protrusion 23 provided on the blocking rib 22 may be used for supporting the surrounding rib 12, and may also be used for maintaining the shape stability of the assembled first component 1 and the second component 2;

as shown in fig. 6, after the first component 1 and the second component 2 are assembled, the surrounding rib 12 is tightly connected with the blocking rib 22 and the second reflecting surface 21, so as to form the optical path propagation optical cavity of the light guide structure for realizing oblique light emission at low cost; the top surface 15 of the surrounding rib is tightly attached to the circuit board 3, the surrounding rib 12 completely wraps the bump 23 and the second reflecting surface 21 arranged on the blocking rib 22, and the surrounding rib 12 is tightly attached to the blocking rib 22 and the second reflecting surface 21 to form an independent closed space, so that light leakage can be avoided due to the wrapping characteristic, light is ensured to be reflected only in a dark room during propagation, and other lamp tubes cannot be influenced due to overflow;

as shown in fig. 7, the first reflecting surface 11 is configured to be disposed opposite to the indicator lamp 31, the second reflecting surface 21 is disposed opposite to the light emitting surface 13, the first reflecting surface 11 is configured to reflect the light of the indicator lamp 31 to the second reflecting surface 21, and the second reflecting surface 21 is configured to reflect the light of the indicator lamp 31 to the light emitting surface 13; when in use, light emitted by the indicator lamp 31 is reflected twice by the first reflecting surface 11 and the second reflecting surface 21 in the light path transmission light cavity, and is finally emitted out through the light emitting surface 13;

in the embodiment of the present invention, after the first component 1 and the second component 2 are assembled to form the optical path transmission optical cavity, the first reflective surface 11 and the second reflective surface 21 form a parallel structure, so as to ensure short optical path and high optical transmission efficiency, and reduce the optical loss of the optical signal due to long-distance transmission.

In the embodiment of the present invention, as shown in fig. 7, the light guide structure for realizing oblique light emission at low cost further includes an indicator lamp 31 and a light outlet 14 located on the light emitting surface 13, specifically:

the center of the light path of the indicator light 31 is located on the center line of the first reflecting surface 11, the dashed line shown in fig. 4 is the center line of the first reflecting surface 11, the center line of the first reflecting surface 11 is aligned with the center line of the second reflecting surface 21, the dashed line shown in fig. 5 is the center line of the second reflecting surface 21, and the center of the light outlet 14 is aligned with the center line of the second reflecting surface 21; the light guide structure for realizing oblique light emitting at low cost is prevented from being overlarge in size, so that extra production cost is increased, and the cost performance of the light guide structure is reduced; the size of the light outlet 14 can be adjusted according to needs, for example, an adjusting member can be provided, and the size of the light outlet 14 is adjusted by the adjusting member, so that light can be smoothly emitted from the light outlet 14 without being interfered by external light; the shape of the light outlet 14 includes a circle, a rectangle, an ellipse or a diamond, and the shape of the light outlet 14 is not limited to the shape shown in fig. 4;

in the embodiment of the present invention, the first component 1 and the second component 2 may be made of plastic materials, such as acrylic resin, polycarbonate, and epoxy resin, so as to further reduce the production cost of the low-cost light-emitting oblique light-guiding structure; the first part 1 and the second part 2 can also be made of glass or a metallic material.

In the embodiment of the present invention, the first reflecting surface 11 and the second reflecting surface 21 are all processed into a bright surface, so that light is totally reflected as far as possible when passing through the first reflecting surface 11 and the second reflecting surface 21, thereby reducing the light loss caused by the reflecting surfaces themselves.

In the embodiment of the present invention, the surrounding rib 12 is provided with chamfers, and the introduction of the chamfers enables the bumps 23 arranged on the blocking rib 22 to be conveniently inserted into the surrounding rib 12, so as to complete the wrapping of the blocking rib 22 and the second reflecting surface 21 by the surrounding rib 12, and the assembly is easier; as shown in fig. 8, the surrounding rib 12 and the blocking rib 22 block the light emitted by the indicator 31 on the circuit board 3 in the middle of the light cavity to form an independent closed darkroom, so as to ensure that the light is only reflected in the darkroom when the light is transmitted, and the light does not overflow to affect other lamps.

Example 2:

the utility model provides an equipment of slope light-emitting is realized to low-cost, equipment that low-cost realization slope light-emitting includes the leaded light structure of foretell low-cost realization slope light-emitting, as shown in fig. 3, equipment that low-cost realization slope light-emitting still includes circuit board 3, be equipped with on the circuit board 3 pilot lamp 31, the light that pilot lamp 31 sent is in the optical cavity, warp first plane of reflection 11 with behind the reflection of second plane of reflection 21, follow play plain noodles 13 jets out.

In the embodiment of the present invention, the top surface 15 of the surrounding rib is tightly attached to the circuit board 3, so that the light of the indicator light 31 is only transmitted in the optical cavity.

The embodiment of the utility model provides an in, be equipped with one or two at least pilot lamps 31 on the circuit board 3 in the low-cost equipment of realizing slope light-emitting, it is equipped with to correspond every pilot lamp 31, and this light-directing structure is hollow structure, has avoided the big condition of light of solid structure leaded light post light in propagation reflection in-process loss, and the propagation rate of light in the air is higher than the propagation rate of light in solid material, and the loss is little, is consequently equipped with the light-directing structure of slope light-emitting is realized to low-cost the light propagation efficiency of fiber equipment is higher, and its material cost compares in the required material cost of conventional entity light-directing structure will be low a lot, possesses better price/performance ratio, uses widely in the communication technology field easily, has practical spreading value.

In the embodiment of the present invention, a wiring prohibiting device is disposed at a position of the circuit board 3 corresponding to the indicator lamp 31 for safely wiring; the wiring forbidding device, namely a device for forbidding wiring, is arranged at the indicator lamp 31, so that the influence of the temperature rise of the indicator lamp 31 in the lighting process on the electrical performance of the circuit board 3 is avoided; there is a safe distance of 2mm between the surrounding rib 12 and the indicator light 31 to ensure no risk in the drop test.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a low-cost light guide structure who realizes slope light-emitting which characterized in that, low-cost light guide structure who realizes slope light-emitting includes first part (1) and second part (2), wherein:

the first component (1) comprises a first reflecting surface (11), a surrounding rib (12) and a light emitting surface (13); the second component (2) comprises a second reflecting surface (21) and a stop rib (22); the first component (1) and the second component (2) are assembled to form an optical path propagation optical cavity;

the first reflecting surface (11) is used for being arranged opposite to an indicator light (31), the second reflecting surface (21) is arranged opposite to the light emitting surface (13), the first reflecting surface (11) is used for reflecting light of the indicator light (31) to the second reflecting surface (21), and the second reflecting surface (21) is used for reflecting light of the indicator light (31) to the light emitting surface (13).

2. The light guide structure for realizing oblique light extraction at low cost according to claim 1, wherein the first reflecting surface (11) and the second reflecting surface (21) form a parallel structure after the first component (1) and the second component (2) are assembled to form the optical path propagation light cavity.

3. The light guide structure for realizing inclined light emission at low cost according to claim 2, further comprising an indicator light (31) and a light exit (14) located on the light exit surface (13), specifically:

4. The light guide structure for realizing oblique light emission at low cost according to claim 1, wherein the first component (1) and the second component (2) are made of plastic materials.

5. The light guide structure for realizing inclined light extraction at low cost according to claim 1, wherein the first reflecting surface (11) and the second reflecting surface (21) are both processed into bright surfaces.

6. The light guide structure for realizing oblique light emitting according to claim 1, wherein the surrounding rib (12) is provided with a chamfer at the periphery.

7. The utility model provides a low-cost equipment of realizing slope light-emitting, characterized in that, low-cost equipment of realizing slope light-emitting includes the low-cost leaded light structure of realizing slope light-emitting of any of claims 1-6, low-cost equipment of realizing slope light-emitting still includes circuit board (3), be equipped with on circuit board (3) pilot lamp (31), the light that pilot lamp (31) sent is in the light chamber, through first plane of reflection (11) with the reflection back of second plane of reflection (21), follow play plain noodles (13) are jettisoned.

8. The device for realizing oblique light emitting according to claim 7, wherein the top surface (15) of the surrounding rib is tightly attached to the circuit board (3) so that the light of the indicator light (31) only propagates in the light cavity.

9. The device for realizing inclined light emission at low cost according to claim 7, wherein one or at least two indicator lights (31) are arranged on the circuit board (3), and each indicator light (31) is correspondingly provided with the light guide structure for realizing inclined light emission at low cost according to any one of claims 1 to 6.

10. The device for realizing oblique light emitting according to claim 7, wherein the circuit board (3) is provided with a wiring-prohibiting device corresponding to the indicator light (31) for safe wiring.