CN215808274U

CN215808274U - Rail transit LED headlamp with high heat dissipation performance

Info

Publication number: CN215808274U
Application number: CN202121949363.1U
Authority: CN
Inventors: 黄珍珍; 姜志成
Original assignee: Changzhou Zhuotian Lighting Technology Co ltd
Current assignee: Changzhou Zhuotian Lighting Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-02-11
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a track traffic LED headlamp with high heat dissipation performance, which comprises a shell, wherein the top end of the shell is fixedly connected with an installation frame, two sides inside the shell are fixedly connected with four groups of support installation holes, a transverse plate is arranged inside the shell, a metal plate is assembled above the transverse plate, the top end of the metal plate is assembled with a support frame, and five groups of LED illuminating lamps are installed inside the support frame. This track traffic LED head-light with high heat dissipating sets up the conducting strip through the metal sheet below at the installation LED light, the metal sheet self of LED light below possesses certain heat conduction effect, it has improved the efficiency of heat conduction to have increased the conducting strip, the heat of LED light dispels the heat fast in radiating fin and the radiator of below along with the conducting strip shifts to, this structure has improved the radiating effect of head-light, reduce the condition that the head-light breaks down because the temperature is too high, the not good problem of radiating effect of head-light has been solved.

Description

Rail transit LED headlamp with high heat dissipation performance

Technical Field

The utility model relates to the technical field of rail transit headlamps, in particular to a rail transit LED headlamp with high heat dissipation performance.

Background

The rail transit is one of more important tools in daily traffic of people, a headlamp of the rail transit is one of vital components in a rail vehicle, most of the rail transit vehicle headlamps at the present stage adopt LED lamps, and the characteristics of small power, long service life, environmental protection and energy conservation of the LED lamps become the most love of consumers, but the LED headlamps in the current market have some defects.

The inside radiating structure that lacks of current track traffic LED head-light, LED are very sensitive to the change of temperature, and the problem that the luminous decay and luminous flux descend by a wide margin can appear in the temperature of LED head-light more than 80 ℃, and the higher the temperature is the more easy trouble that appears to influence the life of whole head-light, therefore we need design a track traffic LED head-light that has high heat dissipating to solve this type of problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a track traffic LED headlamp with high heat dissipation performance, and aims to solve the problem that the heat dissipation effect of the headlamp is poor in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a track traffic LED head-light with high heat dissipating, includes the casing, the top fixedly connected with installing frame of casing, four groups of support mounting holes of inside both sides fixedly connected with of casing, the inside of casing is provided with the diaphragm, the top of diaphragm is equipped with the metal sheet, the top of metal sheet is equipped with the support frame, the internally mounted of support frame has five groups of LED light, the inside fixedly connected with conducting strip of metal sheet, the bottom fixedly connected with radiating fin of metal sheet is radiating fin's bottom fixedly connected with radiator, the inside bottom of casing is provided with the multiunit connecting hole, the through-wire groove has been seted up to the inside bottom of casing.

Preferably, four groups of supporting bolts are fixedly connected between the transverse plate and the metal plate, and springs are fixedly connected to the outer portions of the supporting bolts.

Preferably, five groups of grooves are formed in the supporting frame, the size of the outer portion of each groove is larger than that of the inner portion of the LED illuminating lamp, and the LED illuminating lamps are embedded in the grooves and connected with the tops of the metal plates through lines.

Preferably, the support frame is provided with two sets, fixedly connected with installation screw between support frame and the metal sheet, fixedly connected with multiunit bracing piece between support frame and the metal sheet.

Preferably, the top of installing frame is provided with six groups of installation draw-in grooves, the top fixedly connected with card strip of installing frame, four corners at installing frame top are provided with four groups of locating holes.

Preferably, the LED illuminating lamps are provided with five groups, and the LED illuminating lamps are arranged in the support frame at equal intervals.

Compared with the prior art, the utility model has the beneficial effects that: the track traffic LED headlamp with high heat dissipation performance not only improves the heat dissipation effect and improves the stability of the headlamp, but also is convenient to mount and dismount;

(1) through the metal plate, the heat conducting fin, the radiating fin and the radiator, when an LED illuminating lamp in the headlamp is used for a long time, the LED illuminating lamp can generate a large amount of heat, in order to timely radiate the LED illuminating lamp, the heat conducting fin can be arranged below the metal plate for mounting the LED illuminating lamp, the metal plate below the LED illuminating lamp has a certain heat conducting effect, the heat conducting efficiency of the heat conducting fin is improved, the heat of the LED illuminating lamp is transferred to the radiating fin and the radiator below along with the heat conducting fin to be quickly radiated, the radiating effect of the headlamp is improved through the structure, and the condition that the headlamp breaks down due to overhigh temperature is reduced;

(2) through the support frame, the LED illuminating lamp, the groove and the mounting screw, before the LED illuminating lamp is mounted inside the shell, the support frame is firstly mounted on the metal plate, the support frame and the metal plate are directly fixed through the mounting screw, even if the support frame and the metal plate are convenient and stable, then the LED illuminating lamp is placed in the groove of the support frame, the size of the groove can just clamp the LED illuminating lamp, the bottom of the LED illuminating lamp is screwed with the mounting position on the metal plate, therefore, even in the process of rail transit, the LED illuminating lamp inside the headlamp shell can not shake due to vibration of a vehicle body, and the illuminating stability of the headlamp is improved;

(3) through supporting the mounting hole, the installing frame, the installation clamping groove, card strip and locating hole, the inside four groups that contain of casing of head-light support the mounting hole, support the mounting hole and can be with the stable installation of diaphragm inside the casing, also contain multiunit installation clamping groove and card strip in the installing frame at casing top, the lid at head-light top is convenient for install fast to this structure, deviation scheduling problem can be avoided appearing in the installation to the locating hole that sets up on the installing frame, this structure has improved the stability of head-light installation, the quick installation of head-light and dismantlement have been realized simultaneously.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front sectional view of a heat dissipating fin according to the present invention;

FIG. 3 is a schematic top cross-sectional view of the present invention;

fig. 4 is a schematic top sectional view of the housing of the present invention.

In the figure: 1. a housing; 2. supporting the mounting hole; 3. a transverse plate; 4. a metal plate; 5. a support frame; 6. installing a frame; 7. installing a clamping groove; 8. clamping the strip; 9. an LED lighting lamp; 10. a heat conductive sheet; 11. a heat dissipating fin; 12. a heat sink; 13. connecting holes; 14. a support bolt; 15. a spring; 16. a support bar; 17. a groove; 18. mounting screws; 19. positioning holes; 20. and a through wire groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-4, a track traffic LED headlamp with high heat dissipation performance includes a housing 1, four sets of support mounting holes 2 are fixedly connected to two sides inside the housing 1, a transverse plate 3 is arranged inside the housing 1, a metal plate 4 is assembled above the transverse plate 3, a support frame 5 is assembled at the top end of the metal plate 4, five sets of LED illuminating lamps 9 are installed inside the support frame 5, a heat conducting fin 10 is fixedly connected inside the metal plate 4, a heat dissipating fin 11 is fixedly connected to the bottom end of the metal plate 4, a heat sink 12 is fixedly connected to the bottom end of the heat dissipating fin 11, a plurality of sets of connecting holes 13 are arranged at the bottom end inside the housing 1, and a through wire slot 20 is arranged at the bottom end inside the housing 1;

four groups of supporting bolts 14 are fixedly connected between the transverse plate 3 and the metal plate 4, and springs 15 are fixedly connected outside the supporting bolts 14;

specifically, as shown in fig. 1 and fig. 2, the inside LED lighting lamp 9 of head-light is when long-time use, LED lighting lamp 9 can produce a large amount of heat, in order to in time dispel the heat to LED lighting lamp 9, can set up conducting strip 10 in the metal sheet 4 below of installation LED lighting lamp 9, metal sheet 4 self of LED lighting lamp 9 below possesses certain heat conduction effect, it has improved the efficiency of heat conduction to have increased conducting strip 10, the heat of LED lighting lamp 9 dispels the heat fast in radiating fin 11 and the radiator 12 of below along with conducting strip 10 shifts to, this structure has improved the radiating effect of head-light, reduce the condition that the head-light breaks down because the high temperature.

Example 2: five groups of grooves 17 are formed in the support frame 5, the size of the outer part of each groove 17 is larger than that of the inner part of each LED illuminating lamp 9, the LED illuminating lamps 9 are embedded in the grooves 17 and are connected with the top of the metal plate 4 through circuits, two groups of support frames 5 are arranged, mounting screws 18 are fixedly connected between the support frames 5 and the metal plate 4, a plurality of groups of support rods 16 are fixedly connected between the support frames 5 and the metal plate 4, five groups of LED illuminating lamps 9 are arranged, and the LED illuminating lamps 9 are arranged in the support frames 5 at equal intervals;

specifically, as shown in fig. 1 and 3, before the LED lighting lamp 9 is installed inside the housing 1, the support frame 5 is installed on the metal plate 4, the support frame 5 and the metal plate 4 are directly fixed by the installation screw 18, which is convenient and stable, then the LED lighting lamp 9 is placed in the groove 17 of the support frame 5, the size of the groove 17 can just clamp the LED lighting lamp 9, the bottom of the LED lighting lamp 9 is screwed with the installation position on the metal plate 4, so that even in the process of rail transportation, the LED lighting lamp 9 inside the headlamp housing 1 cannot shake due to the vibration of the vehicle body, and the stability of the headlamp lighting is improved.

Example 3: the top end of the shell 1 is fixedly connected with a mounting frame 6, six groups of mounting clamping grooves 7 are formed in the top end of the mounting frame 6, clamping strips 8 are fixedly connected to the top end of the mounting frame 6, and four groups of positioning holes 19 are formed in four corners of the top of the mounting frame 6;

specifically, as shown in fig. 1 and 4, the casing 1 of head-light contains four groups of support mounting holes 2 inside, support mounting hole 2 can be with stable the installing at casing 1 inside of diaphragm 3, also contain multiunit installation slot 7 and card strip 8 in the installing frame 6 at casing 1 top, the lid at head-light top is convenient for install fast to this structure, the locating hole 19 that sets up on the installing frame 6 can avoid the installation to appear the deviation scheduling problem, this structure has improved the stability of head-light installation, the quick installation and the dismantlement of head-light have been realized simultaneously.

The working principle is as follows: when the utility model is used, the headlamp is firstly installed on a vehicle used for rail transit, then the LED illuminating lamp 9 in the headlamp is turned on, when the LED illuminating lamp 9 in the headlamp is used for a long time, the LED illuminating lamp 9 can generate a large amount of heat, in order to timely dissipate the heat of the LED illuminating lamp 9, the heat conducting sheet 10 can be arranged below the metal plate 4 provided with the LED illuminating lamp 9, the metal plate 4 below the LED illuminating lamp 9 has a certain heat conducting effect, the heat conducting sheet 10 is increased, the heat conducting efficiency is improved, the heat of the LED illuminating lamp 9 is transferred to the heat radiating fins 11 and the heat radiator 12 below along with the heat conducting sheet 10 for rapid heat dissipation, before the LED illuminating lamp 9 is installed in the shell 1, the support frame 5 is firstly installed on the metal plate 4, the support frame 5 and the metal plate 4 are directly fixed through the installation screw 18, namely, the operation is convenient and stable, then the LED illuminating lamp 9 is placed in the groove 17 of the support frame 5, recess 17's size just in time can block LED light 9, LED light 9 bottom is screwed up with the installation department on the metal sheet 4, even if so at rail transit's in-process, LED light 9 of 1 inside of head-light casing can not rock because of the vibrations of automobile body yet, deviation scheduling problem can be avoided installing to locating hole 19 on the head-light, also contain multiunit installation draw-in groove 7 and card strip 8 in the installing frame 6 at 1 top of casing, be convenient for install the lid at head-light top fast, this structure has improved the stability of head-light installation, realized simultaneously installing fast and dismantling the head-light, this structure has improved the radiating effect of head-light, reduce the condition that the head-light breaks down because the high temperature.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A track traffic LED head-light with high heat dissipating, includes casing (1), its characterized in that: the top fixedly connected with installing frame (6) of casing (1), four group support mounting holes (2) of the inside both sides fixedly connected with of casing (1), the inside of casing (1) is provided with diaphragm (3), the top of diaphragm (3) is equipped with metal sheet (4), the top of metal sheet (4) is equipped with support frame (5), the internally mounted of support frame (5) has five groups LED light (9), the inside fixedly connected with conducting strip (10) of metal sheet (4), bottom fixedly connected with radiating fin (11) of metal sheet (4) is radiating fin's (11) bottom fixedly connected with radiator (12), the inside bottom of casing (1) is provided with multiunit connecting hole (13), lead to wire groove (20) have been seted up to the inside bottom of casing (1).

2. The rail transit LED headlamp with high heat dissipation performance as claimed in claim 1, wherein: four groups of supporting bolts (14) are fixedly connected between the transverse plate (3) and the metal plate (4), and springs (15) are fixedly connected to the outer portions of the supporting bolts (14).

3. The rail transit LED headlamp with high heat dissipation performance as claimed in claim 1, wherein: five groups of grooves (17) are formed in the support frame (5), the size of the outer portion of each groove (17) is larger than that of the inner portion of each LED illuminating lamp (9), and the LED illuminating lamps (9) are embedded in the grooves (17) and connected with the top of the metal plate (4) through lines.

4. The rail transit LED headlamp with high heat dissipation performance as claimed in claim 1, wherein: the support frame (5) is provided with two sets, fixedly connected with installation screw (18) between support frame (5) and metal sheet (4), fixedly connected with multiunit bracing piece (16) between support frame (5) and metal sheet (4).

5. The rail transit LED headlamp with high heat dissipation performance as claimed in claim 1, wherein: the top of installing frame (6) is provided with six sets of installation draw-in grooves (7), the top fixedly connected with card strip (8) of installing frame (6), four corners at installing frame (6) top are provided with four sets of locating holes (19).

6. The rail transit LED headlamp with high heat dissipation performance as claimed in claim 1, wherein: the LED illuminating lamps (9) are arranged in five groups, and the LED illuminating lamps (9) are arranged in the supporting frame (5) at equal intervals.