CN203478072U - Rail locomotive vehicle headlamp with LED light source - Google Patents
Rail locomotive vehicle headlamp with LED light source Download PDFInfo
- Publication number
- CN203478072U CN203478072U CN201320590285.XU CN201320590285U CN203478072U CN 203478072 U CN203478072 U CN 203478072U CN 201320590285 U CN201320590285 U CN 201320590285U CN 203478072 U CN203478072 U CN 203478072U
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- led light
- light source
- reflector
- locomotive vehicle
- rail locomotive
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Abstract
The utility model discloses a rail locomotive vehicle headlamp with an LED light source. The rail locomotive vehicle headlamp comprises the LED light source (1) and an aluminum substrate (2). An LED light source mounting base (3) and a reflector (4) which are connected with the aluminum substrate (2) are arranged on the front side of the aluminum substrate (2), the LED light source mounting base (3) is located in the middle of the reflector (4), the front end of the LED light source mounting base (3) is located in a cavity formed by the reflector (4), and the LED light source (1) is arranged on the side wall at the front end of the LED light source mounting base (3), so that LED light rays emitted by the LED light source (1) are reflected through the inner wall of the reflector (4). The LED light source is used in cooperation with the reflector, so utilization efficiency of the LED light source is improved; meanwhile, because of constant current driving, the LED light source operates under an unsaturated condition, reliability is improved, and the service life is prolonged; the headlamp is simple in structure, convenient to use and suitable for being widely applied to rail transit vehicles.
Description
Technical field
The utility model relates to the headlamp of rail locomotive vehicle, specifically a kind of rail locomotive vehicle head lamp of the employing LED light source of institute's light-dependent type that the light intensity angle distribution of light source is converted to by reflector.
Background technology
Rail vehicles, along with the raising of the speed of service, requires more and more higher to the illumination performance of headlamp.The lighting apparatus of headlamp, is changed to gas discharge lamp illuminating system by original Halogen lamp LED system.And the maturation of LED lighting engineering will cause the revolution of a Novel illuminating system.As adopting LED as the light source of locomotive headlamp, their superiority just can be shown fully like this.This new system is brighter than normally used halogen tungsten lamp, few with the luminance difference of HID head lamp.Consider the distinctive superiority of LED light source, such as lightweight, fitting depth is little, it is low to consume energy, the life-span is longer, there is no environmental pollution etc., they are more suitable for the light source as locomotive headlamp system of future generation.In addition, the use of LED can also make the design of whole car become more flexible.
Summary of the invention
The purpose of this utility model is the problem existing for existing rail locomotive vehicle head lamp, and a kind of rail locomotive vehicle head lamp of the employing LED light source of institute's light-dependent type that the light intensity angle distribution of light source is converted to by reflector is provided.
The purpose of this utility model solves by the following technical programs:
A kind of rail locomotive vehicle head lamp that adopts LED light source, comprise LED light source and aluminium base, the front side that it is characterized in that described aluminium base is provided with LED light source mount pad and the reflector being connected with aluminium base, middle part and LED light source mount pad front end that LED light source mount pad is positioned at reflector are positioned at the cavity that reflector forms, on the sidewall of LED light source mount pad front end, LED light source is set, the LED light that makes LED light source transmitting reflects away via the inwall of reflector.
The quantity of described LED light source is no less than 2.
The quantity of described LED light source is symmetricly set on the sidewall of LED light source mount pad front end while being even numbers.
Described LED light source adopts constant current to drive.
Described reflector is bolted on the front side of aluminium base.
The rear side of described aluminium base is fixedly linked by bolt and active heat removal mechanism.
The forward edge of described reflector is connected with active heat removal mechanism by snap device.
The utility model has the following advantages compared to existing technology:
The utility model is by installing LED light source on the sidewall at LED light source mount pad, the LED light of LED light source transmitting is controlled by certain area, utilize the inwall of reflector light-ray condensing to be got up and reflected away throw light on, improved the utilization ratio of LED light source; LED light source adopts the form that constant current drives simultaneously, and LED light source is moved under unsaturated state, has improved the service life of operational reliability and LED light source.
Headlamp of the present utility model is undertaken cooling by aluminium base and the air-cooled mode combining, improved cooling effect and reduced cooling cost; This headlamp simple in structure, easy to use, suitable being widely used on rail traffic vehicles.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of the utility model rail locomotive vehicle head lamp;
Accompanying drawing 2 is the left view of the utility model rail locomotive vehicle head lamp;
Accompanying drawing 3 is the opticpath schematic diagram of the utility model rail locomotive vehicle head lamp;
Accompanying drawing 4 is the luminous intensity distribution figure of the utility model rail locomotive vehicle head lamp.
Wherein: 1-LED light source; 2-aluminium base; 3-LED light source mount pad; 4-reflector; 5-active heat removal mechanism; 6-snap device.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
As shown in Figure 1-2: a kind of rail locomotive vehicle head lamp that adopts LED light source, comprise LED light source 1 and aluminium base 2, in the front side of aluminium base 2, be provided with the LED light source mount pad 3 and the reflector 4 that are connected with aluminium base 2, reflector 4 is bolted on the front side of aluminium base 2, middle part and LED light source mount pad 3 front ends that LED light source mount pad 3 is positioned at reflector 4 are positioned at the cavity that reflector 4 forms, the LED light source 1 that is no less than 2 is set on the sidewall of LED light source mount pad 3 front ends, and the quantity of LED light source 1 is symmetricly set on the sidewall of LED light source mount pad 3 front ends while being even numbers, the LED light of LED light source 1 transmitting is controlled by certain area, utilize the inwall of reflector 4 light-ray condensing to be got up and reflected away throw light on.The rear side of aluminium base 2 is fixedly linked by bolt and active heat removal mechanism 5 in addition, and the forward edge of reflector 4 is connected with active heat removal mechanism 5 by snap device 6, in this headlamp, by aluminium base 2 and the air-cooled mode combining, headlamp is carried out coolingly, improve cooling effect and also reduced cooling cost.The form that this LED light source 1 adopts constant current to drive in addition to improve its reliability of operation, moves LED under unsaturated state, actual service life of improving LED light source 1.
Rail locomotive vehicle head lamp of the present utility model, by adopting reflector 4 that the light intensity angle of light source is distributed and is converted to institute's light-dependent type, is caught LED light to greatest extent, improves the utilization ratio of LED light source 1.Accompanying drawing 3 is for adopting the upper beam thread path schematic diagram of two high-power LED light sources 1, and owing to only having adopted two LEDs light sources 1, so this headlamp is applicable to dipped headlights; After the quantity that suitably increases LED light source 1 applicable to high beam.Accompanying drawing 4 is for adopting the luminous intensity distribution simulation drawing of two high-power LED light sources 1.
The utility model is by installing LED light source 1 on the sidewall at LED light source mount pad 3, the LED light of LED light source 1 transmitting is controlled by certain area, utilize the inwall of reflector 4 light-ray condensing to be got up and reflected away throw light on, improved the utilization ratio of LED light source 1; The form that LED light source 1 adopts constant current to drive is simultaneously moved LED light source 1 under unsaturated state, has improved the service life of operational reliability and LED light source 1; This headlamp simple in structure, easy to use, suitable being widely used on rail traffic vehicles.
Above embodiment is only explanation technological thought of the present utility model, can not limit protection domain of the present utility model with this, every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into the utility model protection domain; The technology that the utility model does not relate to all can be realized by prior art.
Claims (7)
1. a rail locomotive vehicle head lamp that adopts LED light source, comprise LED light source (1) and aluminium base (2), the front side that it is characterized in that described aluminium base (2) is provided with LED light source mount pad (3) and the reflector (4) being connected with aluminium base (2), middle part and LED light source mount pad (3) front end that LED light source mount pad (3) is positioned at reflector (4) are positioned at the cavity that reflector (4) forms, on the sidewall of LED light source mount pad (3) front end, LED light source (1) is set, the LED light that makes LED light source (1) transmitting reflects away via the inwall of reflector (4).
2. the rail locomotive vehicle head lamp of employing LED light source according to claim 1, is characterized in that the quantity of described LED light source (1) is no less than 2.
3. the rail locomotive vehicle head lamp of employing LED light source according to claim 1 and 2, the quantity that it is characterized in that described LED light source (1) is symmetricly set on the sidewall of LED light source mount pad (3) front end while being even numbers.
4. the rail locomotive vehicle head lamp of employing LED light source according to claim 1, is characterized in that described LED light source (1) adopts constant current to drive.
5. the rail locomotive vehicle head lamp of employing LED light source according to claim 1, is characterized in that described reflector (4) is bolted on the front side of aluminium base (2).
6. the rail locomotive vehicle head lamp of employing LED light source according to claim 1, is characterized in that the rear side of described aluminium base (2) is fixedly linked by bolt and active heat removal mechanism (5).
7. the rail locomotive vehicle head lamp of employing LED light source according to claim 6, is characterized in that the forward edge of described reflector (4) is connected with active heat removal mechanism (5) by snap device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320590285.XU CN203478072U (en) | 2013-09-24 | 2013-09-24 | Rail locomotive vehicle headlamp with LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320590285.XU CN203478072U (en) | 2013-09-24 | 2013-09-24 | Rail locomotive vehicle headlamp with LED light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203478072U true CN203478072U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320590285.XU Expired - Lifetime CN203478072U (en) | 2013-09-24 | 2013-09-24 | Rail locomotive vehicle headlamp with LED light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203478072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486516A (en) * | 2013-09-24 | 2014-01-01 | 常州市赛尔交通器材有限公司 | Rail locomotive and rolling stock headlamp with LED (light-emitting diode) light sources |
-
2013
- 2013-09-24 CN CN201320590285.XU patent/CN203478072U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486516A (en) * | 2013-09-24 | 2014-01-01 | 常州市赛尔交通器材有限公司 | Rail locomotive and rolling stock headlamp with LED (light-emitting diode) light sources |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
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| CX01 | Expiry of patent term |