CN213656631U

CN213656631U - Train headlamp with uniform light distribution

Info

Publication number: CN213656631U
Application number: CN202022894305.5U
Authority: CN
Inventors: 胡道平; 尤祥志; 朱常利; 唐春发; 颜建; 郑斌斌
Original assignee: Lanp Electrical Co ltd
Current assignee: Lanp Electrical Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-09
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a train headlamp with uniform light distribution, which comprises a headlamp module and a light-gathering plate, wherein the headlamp module is arranged on a lamp shell, the headlamp module comprises a radiator structure arranged in the lamp shell, and a plurality of groups of LED lamps are arranged at intervals along the length extending direction of the radiator structure, the light-gathering plate is arranged on the radiator structure in a slightly inclined shape, the light-gathering plate is provided with a plurality of groups of paraboloid light cups corresponding to the plurality of groups of LED lamps, the light rays emitted by the plurality of LED lamps are reflected into parallel light through the paraboloid light cups by utilizing the slight inclined angle design of the light-gathering plate and the light reflecting characteristics of the paraboloid light cups, and the parallel light rays are dispersed in a certain area after being focused completely, the surface light source design consisting of the plurality of groups of LED lamps ensures the uniform distribution of the luminous flux of the light source, improves the external illumination quality of a, the illumination ratio and the light utilization rate are improved, and the energy is utilized more greatly.

Description

Train headlamp with uniform light distribution

Technical Field

The utility model relates to a train lamps and lanterns corollary equipment technical field, concretely relates to even train head-light of grading.

Background

With the rapid development of China in the rail transit industry, the manufacturing technology of rail vehicles including trains and subways is continuously improved. Train-related accessories are also continuously developed and advanced. The train headlamp is an indispensable lighting device for train on-rail running, is a vital appearance part and an active safety function part of a train, and directly influences the operation and traffic safety of driving at night by the lighting effect of the train headlamp.

At present generally used train head-light, its structure generally by the lamp stand, the lamp shade, the lamp body, the solar panel, far and near lamp LED light source, constitutions such as shield, far and near lamp LED light source makes light focus through the light cup, can see out from above-mentioned structure, current head-light all is the grading mode that adopts independent light source usually, be located far and near lamp LED light source on the focus of light cup, this kind of pointolite shines the form and is oval form facula on the grading screen, and produce the light and shade cut-off line, light loss is big, the luminous flux rate of utilization is low, be unfavorable for the driver's indoor observation to the car, influence driving safety.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the train head-light among the prior art and adopting the pointolite to shine the form and can produce light and shade cutoff line, and light loss is big, and the luminous flux rate of utilization is low, is unfavorable for the driver's indoor observation to the car outside, influences driving safety's problem.

In order to solve the technical problem, the utility model provides an even train headlamp of grading, a serial communication port, include: the lamp body, install in the head-light module and the solar panel of lamp body, its characterized in that: the head-light module is including installing radiator structure in the lamp body, and follow the length extending direction interval of radiator structure sets up the structural multiunit LED lamp of radiator, the solar panel be the slope form set up in the radiator structure is located the multiunit the top of LED lamp, the solar panel corresponds the multiunit the LED lamp is provided with multiunit parabolic light cup, the light that the LED lamp sent passes through parabolic light cup reflection forms the parallel light.

Preferably, the parabolic light cup has a larger-caliber upper port formed on the surface of the light-collecting plate, and a smaller-caliber lower port extending toward the LED lamp, and the LED lamp is accommodated in the lower port.

As a preferred scheme, the lamp housing, the heat sink structure and the light-gathering plate are respectively and correspondingly in an L-shaped structure.

Preferably, the heat sink structure is stepped, and the height of the heat sink structure gradually increases from one end to the other end of the heat sink structure.

As a preferred scheme, the radiator structure corresponds a plurality of groups of LED lamps and is provided with a plurality of groups of boss structures along the length extension direction of the LED lamps, each group of boss structures comprises three mounting bosses which are sequentially arranged from low to high, and the LED lamps are fixed on the mounting bosses.

As a preferable scheme, the light collecting plate is erected on the heat sink structure through a support column, the lower ports of the multiple groups of parabolic light cups are correspondingly abutted against the multiple groups of boss structures, and the light collecting plate is obliquely arranged towards one side edge of the lamp housing.

As a preferred scheme, a plurality of heat dissipation convex strips are arranged at the bottom of the heat radiator structure in parallel at intervals.

As a preferred scheme, the two ends and the bending part of the radiator structure and the lamp housing are respectively provided with an adjusting structure, the adjusting structure comprises an adjusting screw rod which is fastened and penetrated between the lamp housing and the radiator structure and an adjusting spring which is sleeved on the adjusting screw rod, one end of the adjusting spring is abutted on the radiator structure, and the other end of the adjusting spring is abutted on the lamp housing.

As a preferred scheme, the bottom of the light-gathering plate is provided with a plurality of groups of rear tail lamps between the LED lamps, the light-gathering plate is provided with a plurality of light-transmitting slotted holes corresponding to the plurality of groups of rear tail lamps, and the light-transmitting slotted holes are arranged among the plurality of groups of paraboloidal light cups at intervals in a strip shape.

Compared with the prior art, the utility model has the advantages that:

1. the utility model provides an among the even train head-light of grading, through at the structural multiunit LED lamp that sets up of radiator, and set up the parabolic light cup corresponding with multiunit LED lamp on the solar panel, utilize the design of solar panel slight inclination angle and the reflection of light characteristics of parabolic light cup, the light that sends a plurality of LED lamp reflects the parallel light through parabolic light cup, disperse in certain area after whole focuses, this kind of area source design who comprises multiunit LED lamp makes light source luminous flux evenly distributed, promote lighting quality, when having satisfied head-light intensity and illuminance requirement, light rail vehicle outside lighting quality has been improved, be favorable to the driver's indoor observation to the car outside, guarantee driving safety, and light loss has been reduced, improve illuminance ratio and luminous flux rate, the messenger's energy can utilize more.

2. The utility model provides an among the even train head-light of grading, through the adjusting screw who screws up or transfer loose heater structure both ends to play the regulatory action to adjusting spring's elasticity, can make the upper end of radiator structure or lower extreme towards the fore-and-aft direction swing that squints, and then just can regulate and control the degree of distance that the light source shines, the design can be through adjusting like this the radiator structure comes accurate control light source position, adjusts convenient operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a train headlamp provided by the present invention;

fig. 2 is a schematic structural view of the train headlamp after the lamp housing is hidden;

fig. 3 is a schematic view of the mounting structure of the LED lamp on the heat sink structure according to the present invention;

FIG. 4 is a schematic cross-sectional view of the head light of the train of the present invention;

description of reference numerals: the LED lamp comprises a lamp shell 1, a light gathering plate 2, a support column 21, a light transmitting groove hole 22, a heat radiator structure 3, a heat radiating convex strip 31, an LED lamp 4, a paraboloid light cup 5, a boss structure 6, a mounting boss 61, an adjusting screw 7, an adjusting spring 8 and a rear tail lamp 9.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present 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.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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.

Example 1

The present embodiment provides a train headlamp with uniform light distribution as shown in fig. 1 to 4, including: the lamp body 1, install in lamp body 1's head-light module and solar panel 2, the head-light module is including installing radiator structure 3 in the lamp body 1, and follow radiator structure 3's length extending direction interval sets up multiunit LED lamp 4 on the radiator structure 3, solar panel 2 be the slope form set up in radiator structure 3 is located the multiunit the top of LED lamp 4, solar panel 2 corresponds the multiunit LED lamp 4 is provided with multiunit parabolic light cup 5, the light that LED lamp 4 sent passes through parabolic light cup 5 reflects and forms the parallel light.

The above-mentioned embodiment is the core technical scheme of this embodiment, through set up multiunit LED lamp 4 on the radiator structure, and set up the parabolic light cup 5 corresponding with multiunit LED lamp on the solar panel 2, utilize 2 slight inclination angle designs of solar panel and the reflection of light characteristics of parabolic light cup 5, the light that sends a plurality of LED lamp passes through parabolic light cup 5 reflects the parallel light, and the whole focus is dispersed in certain area, and this kind of area source design of constituteing by multiunit LED lamp makes light source luminous flux evenly distributed, promotes the lighting quality, when having satisfied head-light intensity and illuminance requirement, has improved light rail vehicle external lighting quality, is favorable to the driver's indoor observation to the car outside, ensures driving safety, and has reduced light loss, improves illuminance ratio and light traffic rate, makes the energy utilize more.

As a preferred embodiment, the parabolic light cup 5 has a larger diameter, and an upper port formed on the surface of the light collecting plate 2, and a lower port with a smaller diameter extends toward the LED lamp 4, and the LED lamp 4 is accommodated in the lower port, so that the LED lamp is surrounded by the parabolic light cup 5, thereby avoiding light leakage, and the light of the LED lamp can be collected to the maximum extent by the parabolic light cup 5 and reflected in a parallel light form, thereby reducing light loss, improving light utilization ratio, and providing stable illumination for trains.

Referring to fig. 1-2, the lamp housing 1, the heat sink structure 3 and the light collecting plate 2 are respectively and correspondingly L-shaped, the heat sink structure 3 is stepped and gradually increases in height from one end to the other end, as a specific structural arrangement, the heat sink structure 3 is provided with a plurality of sets of boss structures 6 along the length extension direction of the LED lamps 4 corresponding to the plurality of sets, each set of boss structures 6 includes three mounting bosses 61 arranged from low to high in sequence, the LED lamps 4 are fixedly mounted on the mounting bosses 61, so that the LED lamps 4 and the parabolic light cups 5 are respectively and correspondingly provided with ten sets, namely thirty sets, respectively, in such a structural arrangement, a plurality of parabolic light cups 5 are integrally formed on the light collecting plate 2, and irradiate on the parabolic light cups 5 through the thirty LED lamps 4, and the light sources are distributed in a large and uniform number, therefore, the illumination form of the surface light source is formed on the whole light-gathering plate 2, and the effect of uniform light distribution is achieved on the plurality of LED lamps 4.

Further arranged, the light collecting plate 2 is erected on the radiator structure 3 through a support column 21, the lower ports of the multiple groups of parabolic light cups 5 are correspondingly abutted against the multiple groups of boss structures 6, so that the light collecting plate is obliquely arranged towards one side edge of the lamp housing, the multiple groups of parabolic light cups are installed and supported through the multiple groups of boss structures 6, the LED lamp can be accurately positioned at the lower ports of the parabolic light cups 5 after corresponding installation, and the installation position is accurate and reliable.

In this embodiment, the radiator structure 3 is an aluminum profile radiator, and it has characteristics such as shaping preparation convenience, light in weight, heat dispersion are good, and energy-conserving effectual, refer to fig. 4, the parallel interval in bottom of radiator structure 3 is provided with a plurality of heat dissipation sand grip 31, forms many heat dissipation gaps between a plurality of heat dissipation sand grip 31, increases like this the heat radiating area of radiator structure 3 plays fine radiating effect to installing in multiunit LED lamp on the radiator structure 3.

Referring to fig. 2-4, adjusting structures are respectively disposed at two ends and a bent portion of the heat sink structure 3 and between the lamp housing, each adjusting structure includes an adjusting screw 7 tightly inserted between the lamp housing 1 and the heat sink structure 3, and an adjusting spring 8 sleeved on the adjusting screw 7, one end of the adjusting spring 8 abuts against the heat sink structure 3, and the other end of the adjusting spring 8 abuts against the lamp housing 1, and this structure is configured to adjust the tightness of the adjusting spring 8 by screwing or adjusting the adjusting screws 7 at two ends of the heat sink structure, so that the upper end or the lower end of the heat sink structure 3 can swing in a forward and backward direction, and further the distance of light irradiation can be adjusted, and thus the design can accurately control the position of the light source by adjusting the heat sink structure, the adjustment operation is convenient.

According to the requirement of train back and forth running, the head lamp also needs to be configured with a tail lamp function, a plurality of groups of rear tail lamps 9 positioned among a plurality of groups of LED lamps 4 are installed at the bottom of the light gathering plate 2, a plurality of light-transmitting slotted holes 21 are arranged on the light gathering plate 2 corresponding to the plurality of groups of rear tail lamps 9, the light-transmitting slotted holes 21 are arranged among a plurality of groups of paraboloid light cups 5 at intervals in a strip shape, light rays of the rear tail lamps 9 can be emitted through the light-transmitting slotted holes 21, when the train back and forth runs, only the rear tail lamps 9 are required to be opened, and the signal reminding and.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A train headlamp with uniform light distribution comprises: lamp body (1), install in the head-light module and solar panel (2) of lamp body (1), its characterized in that: the head-light module is including installing radiator structure (3) in lamp body (1), and follow the length extending direction interval of radiator structure (3) sets up multiunit LED lamp (4) on radiator structure (3), solar panel (2) are the declining form set up in radiator structure (3) and lie in the multiunit the top of LED lamp (4), solar panel (2) correspond the multiunit LED lamp (4) are provided with multiunit parabolic light cup (5), the light that LED lamp (4) sent passes through parabolic light cup (5) reflection forms the parallel light.

2. The train headlamp uniform in light distribution according to claim 1, wherein: the upper port with the larger caliber of the parabolic light cup (5) is formed on the surface of the light gathering plate (2), the lower port with the smaller caliber of the parabolic light cup extends towards one side of the LED lamp (4), and the LED lamp (4) is accommodated in the lower port.

3. The train headlamp uniform in light distribution according to claim 2, wherein: the lamp shell (1), the radiator structure (3) and the light gathering plate (2) are respectively in an L-shaped structure correspondingly.

4. The train headlamp uniform in light distribution according to claim 3, wherein: the radiator structure (3) is in a step shape, and the height of the radiator structure gradually increases from one end to the other end.

5. The train headlamp uniform in light distribution according to claim 4, wherein: radiator structure (3) correspond the multiunit LED lamp (4) are provided with multiunit boss structure (6) along its length extending direction, every group boss structure (6) include by low to high three installation base (61) that set gradually, fixed mounting is gone up in installation base (61) LED lamp (4).

6. The train headlamp uniform in light distribution according to claim 5, wherein: the light-gathering plate (2) is erected on the radiator structure (3) through a support column (21), the lower ports of the multiple groups of paraboloidal light cups (5) are correspondingly abutted against the multiple groups of boss structures (6), and the light-gathering plate is obliquely arranged towards one side edge of the lamp shell.

7. The train headlamp with uniform light distribution according to any one of claims 1 to 6, wherein: the bottom of the radiator structure (3) is provided with a plurality of radiating convex strips (31) at intervals in parallel.

8. The train headlamp uniform in light distribution according to claim 7, wherein: the lamp is characterized in that the two ends of the radiator structure (3) and the bent part of the radiator structure and the lamp shell are respectively provided with an adjusting structure, the adjusting structure comprises an adjusting screw rod (7) fastened to penetrate through the lamp shell (1) and the radiator structure (3) and an adjusting spring (8) sleeved on the adjusting screw rod (7), one end of the adjusting spring (8) is abutted to the radiator structure (3), and the other end of the adjusting spring is abutted to the lamp shell (1).

9. The train headlamp uniform in light distribution according to claim 1, wherein: the LED lamp is characterized in that a plurality of groups of rear tail lamps (9) between the LED lamps (4) are arranged at the bottom of the light collecting plate (2), the light collecting plate (2) corresponds to the plurality of groups of rear tail lamps (9) are provided with a plurality of light-transmitting slotted holes (22), and the light-transmitting slotted holes (22) are arranged between the paraboloidal light cups (5) in a strip shape at intervals.