CN213146255U

CN213146255U - Novel explosion-proof lamp

Info

Publication number: CN213146255U
Application number: CN202022235708.9U
Authority: CN
Inventors: 李远松; 吕恒洁; 李雪松; 李伟; 刘丽
Original assignee: Chongqing Far East Lighting Co ltd
Current assignee: Chongqing Far East Lighting Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-07
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a novel explosion-proof lamp, which comprises a shell, a base fixedly arranged in the shell, a LED lamp bead fixed on the base and an optical fiber group used by matching with the LED lamp bead, wherein the optical fiber group comprises a fixed cylinder and a plurality of optical fibers arranged in the fixed cylinder, the fixed cylinder comprises a fixed plate, a light gathering section, a fixed section and a diffusion section which are connected in sequence, a mounting hole matched with the LED lamp bead is arranged on the fixed plate, the contact side of the fixed plate and the base is provided with an antiskid damping layer, the light gathering section is provided with a through cavity connected with the mounting hole, the through cavity sequentially comprises a mouth expanding cavity, a straight cylinder cavity and a mouth contracting cavity which are connected from the direction close to the mounting plate to the direction far away from the mounting plate, a concave lens for gathering light is arranged in the straight cylinder cavity, the fixed section is provided with a straight cylinder-shaped mounting cavity connected with the mouth contracting cavity, the plurality of optical fibers, the small end of the diffusion section is connected with the fixed section. The utility model discloses the fixed section of thick bamboo that sets up can effectively improve the light utilization ratio of LED lamp pearl.

Description

Novel explosion-proof lamp

Technical Field

The utility model belongs to a LED lamps and lanterns technical field, concretely relates to novel explosion-proof lamp.

Background

The optical fiber has the advantages of water resistance, moisture resistance, magnetism resistance, ultraviolet ray resistance, electric shock resistance and the like, can also carry out long-distance transmission, and has the advantages of small optical loss and high flexibility in the optical transmission process.

In the prior art, a novel explosion-proof lamp is designed by utilizing the characteristics of optical fibers, and as shown in fig. 1, the explosion-proof lamp comprises a shell 101, a light source assembly arranged in the shell 101 and an optical fiber group matched with the light source assembly for use; the light source assembly comprises a base 102 fixedly connected with the shell 101 and an LED lamp bead 104 arranged on the base 102, the LED lamp bead 104 controls light emission and light emission intensity through a control unit for converting electric energy into light energy, and a control circuit of the control unit can be designed by referring to a circuit diagram shown in FIG. 2; optical fiber group is including a plurality of optical fiber 105 that set up in solid fixed cylinder 103 and the solid fixed cylinder 103, a plurality of optical fiber 105 are fixed in solid fixed cylinder 103 through gluing or other modes, gu fixed cylinder 103 is connected with casing 101, and gu fixed cylinder 103 one end is just to LED lamp pearl 104, make the light that LED lamp pearl 104 was derived conduct through optical fiber 105, and can set up optical fiber 105 in the oil depot, the explosive storehouse, gas, the natural gas, liquefied gas, the swimming pool, human abdominal cavity operation and barrel width of cloth line, the bore, the bomb explosion fuse, emergent occasions such as biogas pipeline lamp, in order to reach explosion-proof purpose.

However, in the explosion-proof lamp in the prior art, the fixed cylinder is a straight cylinder with a simple structure, and can only cover the LED lamp bead, and the light emitted by the LED lamp bead is transmitted along the fixed cylinder as much as possible, and then enters the optical fiber for transmission, but the light emitted by the LED lamp bead has dispersibility and can be refracted on the inner wall of the fixed cylinder, so that the light emitted by the LED lamp bead enters the optical fiber at the bottom of probability intersection, and the light utilization rate is low.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a novel explosion-proof lamp has solved the low problem of LED lamp pearl light utilization ratio among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel explosion-proof lamp comprises a shell, a base fixedly arranged in the shell, an LED lamp bead fixed on the base and an optical fiber group matched with the LED lamp bead for use, wherein the optical fiber group comprises a fixed cylinder and a plurality of optical fibers arranged in the fixed cylinder, the fixed cylinder comprises a fixed plate, a light-gathering section, a fixed section and a diffusion section which are connected in sequence,

the fixing plate is provided with a mounting hole matched with the LED lamp bead, and the contact side of the fixing plate and the base is provided with an anti-skid damping layer,

the light-gathering section is provided with a through cavity connected with the mounting hole, the through cavity sequentially comprises a mouth expanding cavity, a straight cylinder cavity and a mouth contracting cavity which are connected from the direction close to the mounting plate to the direction far away from the mounting plate, a concave lens for gathering light is arranged in the straight cylinder cavity,

the fixed section is provided with a straight cylindrical installation cavity connected with the necking cavity, a plurality of optical fibers are fixed in the installation cavity,

the diffusion section is of a horn-shaped structure, and the small end of the diffusion section is connected with the fixed section.

Preferably, the outer wall of the fixed section is provided with two annular fixed blocks arranged at intervals, and the distance between the two annular fixed blocks is matched with the thickness of the side wall of the shell.

Preferably, the included angle between the inner wall of the flaring cavity and the horizontal plane is 30-40 degrees, and the flaring cavity and the necking cavity are arranged in a mirror symmetry manner.

Preferably, the cross section of the annular fixing block comprises any one of a rectangle, a semicircle, an isosceles trapezoid, a right trapezoid and a right triangle.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model improves the structure of the fixed cylinder and is divided into a fixed plate, a light gathering section, a fixed section and a diffusion section; the anti-skidding shock-absorbing layer arranged on the fixed plate can effectively contact with the base, so that the situation that the optical fiber drives the fixed cylinder to shake when being subjected to overlarge external force to cause the position of the fixed plate to deviate and damage the LED lamp beads and influence the light emitting effect of the LED lamp beads is avoided, the size of the mounting hole arranged on the fixed plate is set according to the shape and the size of the LED lamp beads, and light emitted by the LED lamp beads can be effectively collected and refracted to the light collecting section; the utility model discloses include in the spotlight section and expand the oral cavity, straight barrel cavity and contract the oral cavity, expand the oral cavity and can assemble the light that LED lamp pearl sent towards straight barrel cavity, the concave lens of spotlight that sets up in straight barrel cavity can gather the light guide with comparatively unordered light source, make scattered light multitransformation become direct light, a small number of unordered light further reflect through contracting the oral cavity and assemble, conduct towards the fixed segment; in the fixed section of the optical fiber arrangement of the utility model, the light after integration and convergence can be injected as far as possible along the direction vertical to the end part of the optical fiber, thereby improving the utilization rate of the light; and, the utility model discloses still be connected with the diffuser on the canned paragraph, the diffuser enables the optical fiber's of gathering dispersion angle to prescribe a limit to, avoids unexpected external force to make the skew fixed cylinder's of optical fiber angle too big, and leads to the problem that optical fiber damaged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and it is obvious for a person skilled in the art that other drawings obtained from these drawings can be included without inventive work.

FIG. 1 is a schematic diagram of a prior art explosion-proof lamp;

FIG. 2 is a control circuit diagram of an LED lamp bead in an explosion-proof lamp in the prior art;

fig. 3 is a schematic structural diagram of the present invention.

In the figure, a base 1, a mounting hole 2, an LED lamp bead 3, a straight cylindrical cavity 4, a necking cavity 5, a semi-rectangular box 6, a mounting groove 7, an annular fixing block 8, an optical fiber 9, a diffusion section 10, a fixing section 11, a concave lens 12, a flaring cavity 13, a fixing plate 14, an anti-skidding damping layer 15 and a light-gathering section 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 3, the utility model relates to a novel explosion-proof lamp, including casing, the base 1 fixedly arranged in the casing, the fixed LED lamp pearl 3 on the base 1 and the optical fiber group that uses with LED lamp pearl 3 cooperation, the optical fiber group includes a fixed cylinder and a plurality of optical fiber 9 that set up in the fixed cylinder, the fixed cylinder includes fixed plate 14, light-focusing section 16, fixed section 11 and diffuser 10 that connect gradually, set up on the fixed plate 14 with LED lamp pearl 3 assorted mounting hole 2, and the fixed plate 14 is equipped with anti-skidding buffer layer 15 with base 1 contact side, anti-skidding buffer layer 15 can adopt high temperature resistant plastics, and this anti-skidding buffer layer 15 is the annular structure of laminating setting with fixed plate 14; the light-gathering section 16 is provided with a through cavity connected with the mounting hole 2, the through cavity sequentially comprises a flaring cavity 13, a straight barrel cavity 4 and a necking cavity 5 which are connected from the direction close to the mounting plate to the direction far away from the mounting plate, and a light-gathering concave lens 12 is arranged in the straight barrel cavity 4; the fixed section 11 is provided with a straight cylindrical installation cavity connected with the necking cavity 5, the plurality of optical fibers 9 are fixed in the installation cavity, the diffusion section 10 is of a horn-shaped structure, and the small end of the diffusion section 10 is connected with the fixed section 11.

The utility model improves the structure of the fixed cylinder and is divided into a fixed plate 14, a light-gathering section 16, a fixed section 11 and a diffusion section 10; the anti-skidding shock-absorbing layer 15 arranged on the fixing plate 14 can effectively contact with the base 1, so that the optical fiber 9 is prevented from driving the fixing cylinder to shake when being subjected to overlarge external force, the position of the fixing plate 14 is shifted to damage the LED lamp beads 3, and the light emitting effect of the LED lamp beads 3 is influenced, the size of the mounting holes 2 arranged on the fixing plate 14 is set according to the shape and the size of the LED lamp beads 3, and light emitted by the LED lamp beads 3 can be effectively collected and refracted into the light collecting section 16; the utility model discloses include flaring chamber 13, straight barrel cavity 4 and throat cavity 5 in light-focusing section 16, flaring chamber 13 can assemble the light that LED lamp pearl 3 sent towards straight barrel cavity 4, and the concave lens 12 of spotlight that sets up in straight barrel cavity 4 can gather the leaded light with comparatively unordered light source, makes scattered light multitransformation become direct light, and a small number of unordered light further reflect through throat cavity 5 and assemble, conduct towards fixed segment 11; in the fixing section 11 of the plurality of optical fibers 9 of the present invention, the light after being integrated and collected can be injected as far as possible along the direction perpendicular to the end of the optical fibers 9, thereby improving the utilization rate of the light; in addition, the utility model is also connected with a diffuser 10 on the fixed section 11, the diffuser 10 can limit the dispersion angle of the gathered optical fiber 9, and avoid the problem that the optical fiber 9 is damaged due to the overlarge angle of the optical fiber 9 deviating from the fixed cylinder caused by sudden external force; the utility model discloses a control circuit like figure 2 realizes control.

As shown in fig. 3, the utility model discloses the solid fixed cylinder that sets up needs to cooperate the installation with the casing, the utility model discloses do not require the concrete structure of casing, the casing can be two semi-rectangular boxes 6 of isostructure, connects through the screw between two semi-rectangular boxes 6, then carries out fixed connection (mode such as sticky or welding) with base 1 and one of them semi-rectangular box 6, sets up the mounting groove 7 that supplies solid fixed cylinder installation again on two relative lateral walls of semi-rectangular box 6, with solid fixed cylinder and mounting groove 7 fixed connection. In order to avoid the skew that a fixed cylinder and mounting groove 7 appear the position in the installation, the utility model discloses 11 outer walls of canned paragraph are equipped with the annular fixed block 8 that two intervals set up, interval and casing lateral wall thickness phase-match between two annular fixed blocks 8. The two annular fixed blocks 8 are mainly used for avoiding the position of the fixed cylinder in the installation process from being cheap and have a limiting effect, so that the cross section of each annular fixed block 8 comprises any one of a rectangle, a semicircle, an isosceles trapezoid, a right trapezoid and a right triangle. The utility model discloses the cross section of the annular fixed block 8 that sets up is semi-circular.

As shown in fig. 3, the utility model discloses the light-focusing section 16 that sets up reduces diffuse reflection effect, control light refraction angle mainly according to the light-emitting characteristic of LED lamp pearl 3, can pass concave lens 12 as far as possible and assemble focusing, so the utility model discloses the setting expand the contained angle of oral cavity 13 inner wall and horizontal plane and be 30-40, just expand oral cavity 13 with it sets up to contract oral cavity 5 to be mirror symmetry.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a novel explosion-proof lamp, includes casing, fixed LED lamp pearl that sets up on base, the base in the casing and the optical fiber group who uses with LED lamp pearl cooperation, optical fiber group is including a plurality of optical fiber that set up in solid fixed cylinder and the solid fixed cylinder, its characterized in that: the fixed cylinder comprises a fixed plate, a light-gathering section, a fixed section and a diffusion section which are connected in sequence,

2. The novel explosion-proof lamp of claim 1, wherein: the outer wall of the fixed section is provided with two annular fixed blocks which are arranged at intervals, and the distance between the two annular fixed blocks is matched with the thickness of the side wall of the shell.

3. The novel explosion-proof lamp of claim 1, wherein: the included angle between the inner wall of the flaring cavity and the horizontal plane is 30-40 degrees, and the flaring cavity and the necking cavity are arranged in a mirror symmetry mode.

4. The novel explosion-proof lamp of claim 2, wherein: the cross section of the annular fixed block comprises any one of a rectangle, a semicircle, an isosceles trapezoid, a right trapezoid and a right triangle.