CN207880518U - A kind of lateral emitting optical fiber light source - Google Patents

Abstract

The utility model discloses a side light-emitting optical fiber light source, which comprises a shell provided with an internal cavity, a lower cover plate installed under the shell to seal the internal cavity, LED lamp beads and a side light-emitting optical fiber. There is a lamp bead board to fix the LED lamp beads, one end of the side light-emitting optical fiber penetrates into the housing and is installed facing the LED lamp beads, and a heat-conducting medium is provided between the lamp bead board and the housing. In this side-emitting optical fiber light source, the light emitted by the LED lamp beads is coupled into the side-emitting optical fiber, so that the side-emitting optical fiber emits light and realizes the transformation from a point light source to a light source, thereby greatly reducing the number of LED lamp beads and reducing power consumption. At the same time, the LED light The heat generated by the bead is transferred to the lamp bead board, and then transferred to the housing through a heat-conducting medium with good thermal conductivity. Heat dissipation, this utility model is used in the field of LED light sources.

Description

A side-emitting fiber optic light source

technical field

The utility model relates to the field of LED light sources, in particular to a side-emitting optical fiber light source.

Background technique

At present, the LED light-emitting strips used for decoration, warning and lighting in indoor and outdoor environments on the market are mainly composed of lamp beads and light strips, and the light beads are installed in the light strips. This kind of LED light-emitting strip has the following defects: 1. The LED light-emitting strip is point-emitting, which needs to use more lamp beads, resulting in too strong luminous brightness and excessive stimulation of the light-receiving object in terms of visual effects; 2. LED light-emitting strips 3. The LED light-emitting strip generates a lot of heat and has low environmental weather resistance; 4. The light source of the LED light-emitting strip is scattered, and intelligent control is difficult.

Utility model content

The purpose of the utility model is to provide a side-emitting optical fiber light source that can provide a light source and a good heat dissipation effect.

The technical scheme that the utility model takes is:

A side-emitting optical fiber light source, including a housing with an internal cavity and a lower cover installed under the housing to seal the internal cavity, and also includes LED lamp beads and side-emitting optical fibers, and fixed LED lamp beads are installed in the housing The lamp bead board, one end of the side light-emitting optical fiber penetrates into the housing and is installed facing the LED lamp bead, and a heat-conducting medium is provided between the lamp bead board and the housing.

As a further improvement of the technical solution of the utility model, the upper part of the housing is an arc surface.

As a further improvement of the technical solution of the utility model, two lamp bead board installation grooves are arranged oppositely in the housing, and the lamp bead board is inserted between the two lamp bead board installation grooves.

As a further improvement of the technical solution of the utility model, the heat conduction medium is heat conduction glue, and the lamp bead board is fixed on the lamp bead board installation groove through the heat conduction glue.

As a further improvement of the technical solution of the present utility model, it also includes a drive control board for controlling the LED lamp beads to turn on and off, the drive control board and the lamp bead board are connected by wires, and four mounting and fixing drive control boards are arranged on the side of the inner wall of the housing. The boss is provided with a control circuit and a constant current drive circuit on the drive control board.

As a further improvement of the technical solution of the utility model, the four corners of the drive control board are fixed on the four bosses by screws.

As a further improvement of the technical solution of the utility model, the lamp bead board and the drive control board are perpendicular to each other, and the drive control board is parallel to the lower cover plate.

As a further improvement of the technical solution of the utility model, an outlet is provided on one end surface of the housing, and an external wire is also included. The external wire passes through the outlet and is connected to the drive control board, and the lower cover tightly presses the outer wire into the outlet.

As a further improvement of the technical solution of the utility model, a joint is provided on the other end surface of the housing, and a through hole is provided in the center of the joint. The through hole is directly facing the LED lamp bead. The lock nut matched with the connector, and the side-emitting optical fiber passes through the lock nut, the rubber sleeve and the connector in sequence.

As a further improvement of the technical solution of the utility model, the casing is provided with several mounting bosses for mounting and fixing the casing, and each mounting boss is provided with a mounting hole.

Beneficial effects of the utility model: in this side light-emitting fiber light source, the light emitted by the LED lamp beads is coupled into the side light-emitting fiber, so that the side light-emitting fiber emits light, and realizes the transformation from a point light source to a light source, thereby greatly reducing the number of LED light beads, reducing Power consumption, at the same time, the heat generated by the LED lamp bead is transferred to the lamp bead board, and then transferred to the shell through a heat-conducting medium with good thermal conductivity. The shell has a large heat dissipation area, which is conducive to dissipating heat to the surrounding environment. In this way, the rapid heat dissipation of the LED lamp bead is realized.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the exploded schematic view of the overall structure of the utility model embodiment;

Fig. 2 is a schematic diagram of the internal structure of the housing of the embodiment of the utility model;

Fig. 3 is a schematic diagram of the external structure of the housing of the embodiment of the present invention.

Detailed ways

Referring to Figures 1 to 3, the utility model is a side-emitting optical fiber light source, which is characterized in that it includes a housing 1 with an internal cavity and a lower cover 2 installed under the housing 1 to seal the internal cavity, It also includes LED light beads 3 and side light-emitting optical fibers 4. A light bead plate 5 for fixing the LED light beads 3 is installed in the housing 1, and one end of the side light-emitting optical fibers 4 penetrates into the housing 1 and is installed facing the LED light beads 3. A heat conduction medium is provided between the bead plate 5 and the shell 1 .

In this side-emitting optical fiber light source, the light emitted by the LED lamp bead 3 is coupled into the side-emitting optical fiber 4, so that the side-emitting optical fiber 4 emits light and realizes the conversion from a point light source to a light source, thereby greatly reducing the number of LED lamp beads 3 and reducing power consumption. At the same time, the heat generated by the LED lamp beads 3 is transferred to the lamp bead board 5, and then transferred to the housing 1 through a heat-conducting medium with good thermal conductivity. The housing 1 has a large heat dissipation area, which is conducive to dissipating heat to the surrounding environment , so as to realize rapid heat dissipation of the LED lamp bead 3 .

The material of the casing 1 is a material with good thermal conductivity such as metal.

The lower cover plate 2 is fixed below the housing 1 by screws.

As a preferred embodiment of the present invention, the upper part of the housing 1 is an arc surface, which can increase the heat dissipation area of the housing 1 and enhance the heat dissipation effect.

As a preferred embodiment of the present invention, the housing 1 is provided with two oppositely arranged lamp bead board installation grooves 11 , and the lamp bead board 5 is inserted between the two lamp bead board installation grooves 11 .

As a preferred embodiment of the present invention, the heat conduction medium is heat conduction glue, and the lamp bead board 5 is fixed on the lamp bead board installation groove 11 through the heat conduction glue.

The thermally conductive adhesive sticks the lamp bead board 5 to the lamp bead board installation groove 11 . At the same time, the thermally conductive adhesive has good thermal conductivity and can quickly transfer the heat generated by the LED lamp bead 3 to the housing 1 .

As a preferred embodiment of the present utility model, it also includes a drive control board 6 for controlling the LED lamp bead 3 to turn on and off. The drive control board 6 and the lamp bead board 5 are connected by wires. The boss 12 of the drive control board 6 is provided with a control circuit and a constant current drive circuit on the drive control board 6 .

As a preferred embodiment of the present invention, the four corners of the drive control board 6 are fixed on the four bosses 12 by screws.

The drive control board 6 is installed on the four bosses 12, which can prevent the electronic components on the drive control board 6 from contacting the lower cover plate 2 and affect the normal operation of the electronic components. The control circuit and the constant current drive circuit are integrated on the drive control board 6, the drive control board 6 and the lamp bead board 5 are installed in the housing 1, the integration degree is high, the structure is simple, and the housing 1 can control the drive control board 6 and the lamp bead board 5. The lamp bead board 5 is protected to enhance the environmental weather resistance of the entire light source and prolong the service life.

As a preferred embodiment of the present utility model, the lamp bead board 5 and the drive control board 6 are perpendicular to each other, and the drive control board 6 is parallel to the lower cover plate 2. The structure is compact, so that the outer shape of the housing 1 is flat, and the volume and occupation of the entire light source Small space.

As a preferred embodiment of the present invention, an end surface of the housing 1 is provided with an outlet 13, and also includes an external wire 7, the external wire 7 passes through the outlet 13 and is connected to the drive control board 6, and the lower cover plate 2 is tightly pressed against the outside. The wire 7 is placed in the wire outlet 13 to deform the outer wire 7 to protect and seal, preventing dust from entering the housing 1 and reducing the service life of the entire light source. The external wire 7 is connected to an external power source.

As a preferred embodiment of the present invention, the other end surface of the housing 1 is provided with a joint 14, and the center of the joint 14 is provided with a through hole, the through hole is facing the LED lamp bead 3, and the joint 14 is provided with an external thread, and also includes The rubber sleeve 8 and the locking nut 9 matched with the joint 14 , the side light-emitting optical fiber 4 passes through the locking nut 9 , the rubber sleeve 8 and the joint 14 in sequence.

The side-emitting optical fiber 4 extends into the housing 1 through the locking nut 9, the rubber sleeve 8 and the joint 14, and the light emitted by the LED lamp bead 3 is coupled into the side-emitting optical fiber 4 to realize the light emission of the side-emitting optical fiber 4. The central hole of the rubber sleeve 8 guides and aligns the side-emitting optical fiber 4 , so that the side-emitting optical fiber 4 is located in the center of the through hole of the connector 14 , so that its end face is just aligned with the LED lamp bead. The process of tightening the lock nut 9 will squeeze the rubber sleeve 8, causing the rubber sleeve 8 to produce elastic deformation, so that the rubber sleeve 8 is in close contact with the through hole of the connector 14 and the side light-emitting optical fiber 4, thereby playing a sealing role and realizing The installation and fixing of side light-emitting optical fiber 4 are realized.

The size of the central hole of the rubber sleeve 8 can be changed according to the diameter of the side-emitting optical fiber 4 passing therethrough, so that one housing 1 can match side-emitting optical fibers 4 with different diameters.

The external wire 7 and the side-emitting optical fiber 4 protrude into the housing 1 from the outlet 13 and the joint 14 on both ends of the housing 1 respectively. The structure is compact, so that the housing 1 is flat in shape, and the volume and occupied space of the entire light source are small. .

As a preferred embodiment of the present invention, the shell 1 is provided with several mounting bosses 15 for mounting and fixing the shell 1 , and each mounting boss 15 is provided with a mounting hole. The entire light source can be installed and fixed by using screws through the mounting holes and locking on the external fixing base.

Of course, the present invention is not limited to the above-mentioned embodiments. Those skilled in the art can also make equivalent modifications or replacements without violating the spirit of the present utility model. These equivalent modifications or replacements are all included in the claims of this application. within the limited range.

Claims (10)

1. a kind of lateral emitting optical fiber light source, it is characterised in that：Include shell (1) equipped with internal cavities and is installed on the shell Further include LED lamp bead (3) and lateral emitting optical fiber (4) to close the lower cover (2) of the internal cavities below body (1), it is described The lamp bead plate (5) of the fixed LED lamp bead (3) is installed, described lateral emitting optical fiber (4) one end penetrates described in shell (1) In shell (1) and it is right against the LED lamp bead (3) installation, heat-conducting medium is equipped between the lamp bead plate (5) and shell (1).

2. lateral emitting optical fiber light source according to claim 1, it is characterised in that：The top of the shell (1) is circular arc Face.

3. lateral emitting optical fiber light source according to claim 1, it is characterised in that：Opposite set is equipped in the shell (1) The two lamp bead plate mounting grooves (11) set, the lamp bead plate (5) are embedded between the two lamp bead plate mounting grooves (11).

4. lateral emitting optical fiber light source according to claim 3, it is characterised in that：The heat-conducting medium is heat conduction viscose, The lamp bead plate (5) is fixed on by the heat conduction viscose on the lamp bead plate mounting groove (11).

5. lateral emitting optical fiber light source according to claim 1, it is characterised in that：It further include the control LED lamp bead (3) The drive control plate (6) of light on and off, the drive control plate (6) are connect with the lamp bead plate (5) by conducting wire, the shell (1) Inner wall side on set there are four the boss (12) of the fixed drive control plate (6) of installation, set on the drive control plate (6) There are control circuit and constant-current drive circuit.

6. lateral emitting optical fiber light source according to claim 5, it is characterised in that：Four of the drive control plate (6) Corner is fixed by screws on four boss (12).

7. lateral emitting optical fiber light source according to claim 5, it is characterised in that：The lamp bead plate (5) and the driving Control panel (6) is mutually perpendicular to, and the drive control plate (6) is parallel to the lower cover (2).

8. lateral emitting optical fiber light source according to claim 5, it is characterised in that：On one end face of the shell (1) Further include outer lead (7) equipped with line outlet (13), the outer lead (7) passes through the line outlet (13) and the driving Control panel (6) connects, and the lower cover (2) presses the outer lead (7) in the line outlet (13).

9. lateral emitting optical fiber light source according to claim 8, it is characterised in that：Another end face of the shell (1) It is equipped with connector (14), the center of the connector (14) is equipped with through-hole, and the through-hole is right against the LED lamp bead (3), described to connect Head (14) is equipped with external screw thread, further includes gum cover (8) and the locking nut (9) that coordinate with the connector (14), and the side is sent out Light optical fiber (4) sequentially passes through the locking nut (9), gum cover (8) and connector (14).

10. lateral emitting optical fiber light source according to claim 1, it is characterised in that：The shell (1) is equipped with for pacifying Several installation bases (15) of the fixed shell (1) of dress, each installation base (15) are equipped with mounting hole.