CN218781183U

CN218781183U - Head-light for track traffic

Info

Publication number: CN218781183U
Application number: CN202223355573.5U
Authority: CN
Inventors: 赖伍阳; 李旋; 王宇飞; 张兴佳; 孙玮
Original assignee: Shenzhen Crrc Rail Vehicles Co ltd
Current assignee: Shenzhen Crrc Rail Vehicles Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-03-31
Anticipated expiration: 2032-12-12

Abstract

The application provides a headlamp for rail transit, which comprises a lens module, a dimming device, a shell and a lampshade matched with the shell, wherein the shell comprises a containing cavity, the lens module is arranged in the containing cavity, the lens module comprises an LED circuit board, a rugby ball lens, a glass support and lens glass, the rugby ball lens is arranged on the LED circuit board, the glass support is connected with the rugby ball lens, the lens glass is arranged on the glass support, and the dimming device is connected with the glass support; the lower end of the football lens is provided with an inwards concave incident surface, and the upper end of the football lens is provided with an outwards convex emergent surface. The condensation effect is enhanced through the football lens and the tail lamp reflecting bowl, and the light column is adjusted through the adjusting device adjusting rod and the adjusting spring, so that the convenience of dimming is improved.

Description

Head-light for track traffic

Technical Field

The application relates to the field of headlamps, in particular to a headlamp for rail transit.

Background

The subway is a rapid, large-traffic and electric power traction rail transit built in cities. The train runs on a totally-enclosed line, the line positioned in a central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, and the headlamp is used as an illuminating lamp for illuminating the road in front of the subway running, so that the subway can clearly see the things in the running direction when running underground or at night. However, the existing subway headlamp has poor light condensation effect, and a light beam is difficult to adjust, thereby influencing the use.

Disclosure of Invention

In view of the above, the present application is proposed in order to provide a headlamp for rail traffic that overcomes or at least partially solves the above mentioned problems, comprising:

a headlamp for rail transit comprises a lens module, a dimming device, a shell and a lampshade matched with the shell, wherein the shell comprises an accommodating cavity, the lens module is arranged in the accommodating cavity, the lens module comprises an LED circuit board, a rugby ball lens, a glass support and lens glass, the rugby ball lens is arranged on the LED circuit board, the glass support is connected with the rugby ball lens, the lens glass is arranged on the glass support, and the dimming device is connected with the glass support; the lower end of the football lens is provided with an inwards concave incident surface, and the upper end of the football lens is provided with an outwards convex emergent surface.

Further, the dimming device comprises a fixing plate, an adjusting rod, an adjusting spring and a lens bracket;

the fixed plate is fixedly connected with the glass support, the fixed plate is connected with the adjusting rod, the adjusting rod is sleeved with the adjusting spring, and the lower end of the adjusting rod is connected with the lens support.

Further, the head-light still includes the tail lamp module, the tail lamp module includes tail lamp shade, tail lamp circuit board and tail lamp reflector, be equipped with on the tail lamp circuit board the tail lamp reflector, the other end of tail lamp reflector with the tail lamp shade is connected.

Further, the lens module includes high beam lens module and dipped headlight lens module, the high beam module lower extreme corresponds be equipped with sealed line stopper on the casing.

Further, the casing is equipped with mounting flange, the last recess that is equipped with of mounting flange, be equipped with the sealing strip in the recess, the lamp shade is in the position that the sealing strip corresponds is equipped with the arch, will through the bolt the casing with the lamp shade is connected, makes protruding compression the sealing strip.

Further, the lens module still is equipped with lens and decorates the circle, lens decorate the circle with the fixed plate is connected.

Furthermore, a radiator is arranged below the LED circuit board.

Furthermore, a decoration frame is arranged between the shell and the lampshade.

Furthermore, the surface of the lampshade is provided with a polyurethane coating.

The application has the following advantages:

in the embodiment of this application, it is poor for the spotlight effect of the head-light among the prior art, and the light column is difficult to the technical problem who adjusts, and this application provides the solution that sets up the lens module and adjust luminance the module, specifically does: the LED lamp comprises a lens module, a dimming device, a shell and a lampshade matched with the shell, wherein the shell comprises an accommodating cavity, the lens module is arranged in the accommodating cavity, the lens module comprises an LED circuit board, a rugby ball lens, a glass support and lens glass, the rugby ball lens is arranged on the LED circuit board, the glass support is connected with the rugby ball lens, the lens glass is arranged on the glass support, and the dimming device is connected with the glass support; the lower end of the football lens is provided with an inwards concave incident surface, and the upper end of the football lens is provided with an outwards convex emergent surface. The condensation effect is enhanced through the football lens and the tail lamp reflecting bowl, and the light column is adjusted through the adjusting device adjusting rod and the adjusting spring, so that the convenience of dimming is improved.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a head lamp for rail transit according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a lamp housing according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a head lamp for rail transit according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a housing according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a lens module according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a bottom of a lens module according to an embodiment of the present application.

The drawings illustrate the following:

11. an LED circuit board; 12. a football lens; 13. a glass support; 14. a lens glass; 21. a tail lamp cover; 22. a tail lamp circuit board; 23. a tail lamp reflector; 31. a fixing plate; 32. adjusting a rod; 33. adjusting the spring; 34. a lens holder; 4. a housing; 41. sealing the wire plug; 42. a ventilation cap; 5. a lamp shade; 6. a lens bezel; 7. a heat sink; 8. a decorative frame; 9. and (4) a sealing strip.

Detailed Description

In order to make the objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It should be apparent that the embodiments described are some, but not all embodiments of the present application. 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 application.

Referring to fig. 1 and 3, a head lamp for rail transit according to an embodiment of the present application is shown, including a lens module, a dimming device, a housing 4, and a lampshade 5 adapted to the housing 4, where the housing 4 includes an accommodating cavity, the lens module is disposed in the accommodating cavity, the lens module includes an LED circuit board 11, a football lens 12, a glass support 13, and a lens glass 14, the football lens 12 is disposed on the LED circuit board 11, the glass support 13 is connected to the football lens 12, the lens glass 14 is disposed on the glass support 13, and the dimming device is connected to the glass support 13; wherein, the lower end of the rugby ball lens 12 is provided with an inward concave incident surface, and the upper end of the rugby ball lens 12 is provided with an outward convex emergent surface.

In the embodiment of this application, it is poor for the spotlight effect of head-light among the prior art, and the light column is difficult to the technical problem who adjusts, and this application provides the solution that sets up lens module and adjust luminance the module, specifically is: the LED lamp comprises a lens module, a dimming device, a shell 4 and a lampshade 5 matched with the shell 4, wherein the shell 4 comprises an accommodating cavity, the lens module is arranged in the accommodating cavity and comprises an LED circuit board 11, a rugby ball lens 12, a glass support 13 and lens glass 14, the rugby ball lens 12 is arranged on the LED circuit board 11, the glass support 13 is connected with the rugby ball lens 12, the lens glass 14 is arranged on the glass support 13, and the dimming device is connected with the glass support 13; wherein, the lower end of the rugby ball lens 12 is provided with an inward concave incident surface, and the upper end of the rugby ball lens 12 is provided with an outward convex emergent surface. The light condensation effect is enhanced through the rugby ball lens 12 and the tail lamp reflector 23, and the light column is adjusted through the adjusting device adjusting rod 32 and the adjusting spring 33, so that the convenience of light adjustment is improved.

Hereinafter, a head lamp for a track traffic in the present exemplary embodiment will be further described.

As an example, the LED lamp bead is disposed below the incident surface of the football lens 12, and the light enters from the concave incident surface and then exits from the convex exit surface at the upper end of the football lens 12, so that the light with a large incident angle can be adjusted to a light with a small angle, and the light collection effect on the light source is improved.

In this application embodiment, casing 4 is equipped with mounting flange, the last recess that is equipped with of mounting flange, be equipped with sealing strip 9 in the recess, the lamp shade is in the position that sealing strip 9 corresponds is equipped with the arch, will through the bolt the casing with lamp shade 5 is connected, makes protruding compression sealing strip 9.

As an example, referring to fig. 4, a structural diagram of the housing 4 is shown. Casing 4 and car connection, just be equipped with 6 mounting holes on the casing 4, respectively with M5 bolt fastening, fastening moment is: less than or equal to 1.5N.m, the connection of the headlamp and the train can be completed only by screwing six bolts, and the headlamp is sealed by using sealant. Design round groove structure on 4 mounting flanges of casing, groove structure internal design sealing strip fixes behind the casing when the lamp shade, and the sealing strip 9 in 5 protruding structure compression casing mounting flange recesses of lamp shade, still be equipped with on 4 casings with 11 connecting holes that 5 lamp shades correspond refer to figure 2, for the structural schematic of

lamp shade

5, 11 bolts between 5 lamp shades and 4 casings need only be screwed up to installation lamp shade 5 to the realization is sealed, and fastening torque is: the thickness is less than or equal to 1.5N.m, glue sealing is not needed after the lampshade 5 is installed, and the installation difficulty of the lampshade 5 is reduced; it should be noted that the mounting position of the bolt is designed on the outer side of the sealing strip 9, so that water is prevented from entering the lampshade 5 through the bolt, and the sealing strip 9 is made of flame-retardant silicone rubber.

In an embodiment of the present application, the lens module includes a high beam lens module and a low beam lens module, the lower end of the high beam lens module corresponds to the sealing plug 41 is disposed on the housing 4.

Specifically, high beam lens module is including distance beam LED, passing lamp module is including passing lamp LED, and LED lamp pearl is connected with LED circuit board 11, LED circuit board 11 has radiator 7 down. Referring to fig. 5 and 6, the structure of the lens module is schematically illustrated. The lens module is still including the lamp stand, LED lamp pearl LED circuit board 11 rugby ball lens 12 glass support 13 with lens glass 14 all sets up on the lamp stand, and uses hexagon socket head cap screw to be connected between lamp pearl and the fixed plate 31, very big change that has made things convenient for the lamp pearl, and all mechanical connections in the lamp all use M5 hexagon socket head cap screw simultaneously, need not the change instrument among installation and the maintenance process, the simple operation.

In addition, referring to fig. 3, the wire outlet structure of the lamp body adopts a shell tail wire throwing mode, the wire outlet position of the shell 4 adopts a cable clamping joint to ensure sealing, the sealing between the lampshade 5 and the shell 4 ensures that water cannot permeate into the lamp, and the sealing property of the wire outlet position ensures that water vapor cannot enter the vehicle through the lamp.

It should be noted that the high beam LED and the low beam LED are both white light sources.

In this application embodiment, head-light still includes the tail lamp module, the tail lamp module includes tail lamp shade 21, tail lamp circuit board 22 and tail lamp reflector 23, be equipped with on the tail lamp circuit board 22 tail lamp reflector 23, the other end of tail lamp reflector 23 with tail lamp shade 21 is connected. Specifically, the light sources of the head lamp include a high beam, a low beam and a tail lamp, and the light sources are fixed in the accommodating chamber of the housing 4. The tail lamp reflector 23 with the one end of tail lamp shade 21 contact with tail lamp shade 21 is perpendicular, improves the effect of gathering to the light source, increases the range. And a ventilation cap 42 is arranged on the shell 4 corresponding to the lower end of the tail lamp module.

The tail light is a red LED, and is connected to the tail light circuit board 22.

In an embodiment of the present application, the dimming device includes a fixing plate 31, an adjusting lever 32, an adjusting spring 33, and a lens holder 34;

the fixing plate 31 is fixedly connected with the glass support 13, the fixing plate 31 is connected with the adjusting rod 32, the adjusting spring 33 is sleeved outside the adjusting rod 32, and the lower end of the adjusting rod 32 is connected with the lens support 34.

As an example, an adjusting bracket is further disposed in the housing 4 and the lampshade 5, the adjusting bracket is connected to the adjusting rod, an adjusting point seat is disposed on the fixing plate, and the adjusting rod is connected to the adjusting point seat.

In a concrete realization, be provided with 3 cross polished rod 32 on every LED lens module, the cover is in adjust luminance outside spring 33 plays the cushioning effect, rotate this 3 polished rod 32 with the cross screwdriver according to actual need and realize about the light type, adjust from top to bottom, pack dress escutcheon 8 and lamp shade 5 back in proper order after adjusting.

Note that the tail light module does not need to be dimmed.

In an embodiment of the present application, a decoration frame 8 is disposed between the housing 4 and the lamp housing 5. Specifically, the lamp shade 5 with the whole fixed connection of dress escutcheon 8, dress escutcheon 8's position respectively corresponding to far reaching headlamp lens module passing headlamp lens module with the tail lamp module.

In an embodiment of the present application, the lens module is further provided with a lens decoration ring 6, and the lens decoration ring 6 is connected to the fixing plate 31.

In an embodiment of the present application, the surface of the lamp housing 5 is provided with a polyurethane coating. Specifically, the lampshade is made of colorless transparent polycarbonate material, and the outer surface of the lampshade is hardened to prevent scratches when a vehicle is washed. The polyurethane coating can prevent the surface of the transparent cover from being polluted by water vapor, grease and the like, the surface of the lampshade 5 can also be coated with a polypropylene resin layer, so that the wear resistance and the scratch resistance are realized, and the service life is prolonged.

In one particular implementation of the method of the invention,

the method comprises the following steps of replacing the far and near light LEDs:

1) When the LED bulb is replaced, the power is cut off, the bulb is cooled and then the LED bulb is operated, so that an operator is prevented from being scalded.

2) And (3) detaching the lampshade 5, detaching the three hexagon socket head cap screws on the fixed disk by using an M5 hexagon wrench, pulling out the plug connected with the LED lens, and taking out the LED lens sub-assembly. Specifically, the step of detaching the lamp cover 5 is: the lampshade 5 is disassembled, and 11M 5 bolts are distributed on the periphery of the lampshade; and pulling out the tail lamp plug.

3) Detaching 4 screws on the back of the LED lens, detaching the radiator 7 and the damaged LED, replacing the new radiator 7 and the damaged LED, screwing 4 fixing screws back, inserting the plug well, and installing the decoration frame 8 and the lampshade 5 back.

While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the true scope of the embodiments of the present application.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising one of \ 8230; \8230;" does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.

The detailed description is given above to the headlamp for rail transit, and a specific example is applied in the detailed description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A headlamp for rail transit is characterized by comprising a lens module, a dimming device, a shell and a lampshade matched with the shell, wherein the shell comprises an accommodating cavity, the lens module is arranged in the accommodating cavity, the lens module comprises an LED circuit board, a rugby ball lens, a glass support and lens glass, the rugby ball lens is arranged on the LED circuit board, the glass support is connected with the rugby ball lens, the lens glass is arranged on the glass support, and the dimming device is connected with the glass support; the lower end of the football lens is provided with an inwards concave incident surface, and the upper end of the football lens is provided with an outwards convex emergent surface.

2. The head lamp for track traffic of claim 1, wherein the dimming device comprises a fixing plate, an adjusting lever, an adjusting spring, and a lens holder;

3. The headlamp according to claim 1, further comprising a tail lamp module, wherein the tail lamp module comprises a tail lamp cover, a tail lamp circuit board, and a tail lamp reflector, the tail lamp circuit board is provided with the tail lamp reflector, and the other end of the tail lamp reflector is connected to the tail lamp cover.

4. The headlamp for rail transit according to claim 1, wherein the lens module comprises a high beam lens module and a low beam lens module, and a sealing line plug is arranged on the housing corresponding to the lower end of the high beam module.

5. The headlamp for the rail transit as defined by claim 1, wherein the housing is provided with a mounting flange, a groove is arranged on the mounting flange, a sealing strip is arranged in the groove, a protrusion is arranged on the lampshade at a position corresponding to the sealing strip, and the housing is connected with the lampshade through a bolt, so that the protrusion compresses the sealing strip.

6. The head lamp for rail transit of claim 2, wherein the lens module is further provided with a lens decoration ring, and the lens decoration ring is connected with the fixing plate.

7. The headlamp for rail transit as defined in claim 1, wherein a heat sink is arranged under the LED circuit board.

8. The head lamp for rail traffic of claim 1, wherein a decorative frame is provided between the housing and the lamp housing.

9. The head lamp for rail transit according to claim 1, wherein a surface of the lamp cover is provided with a polyurethane coating.