CN110985989A - Locomotive LED light source headlamp with low power and high light intensity distribution - Google Patents
Locomotive LED light source headlamp with low power and high light intensity distribution Download PDFInfo
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- CN110985989A CN110985989A CN201911328315.8A CN201911328315A CN110985989A CN 110985989 A CN110985989 A CN 110985989A CN 201911328315 A CN201911328315 A CN 201911328315A CN 110985989 A CN110985989 A CN 110985989A
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- light source
- led light
- lamp panel
- lamp
- intensity distribution
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/39—Attachment thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a locomotive LED light source headlamp with low power and high light intensity distribution, which comprises a mounting frame and a main lamp body arranged on the mounting frame, wherein the main lamp body comprises four lamp panel components, each lamp panel component comprises a first lamp panel component and three second lamp panel components, the first lamp panel component is provided with a plurality of first LED light sources, each second lamp panel component is provided with a plurality of second LED light sources, an inclination angle is formed between each second lamp panel component and the first lamp panel component, each lamp panel component is provided with a reflector cup group, each reflector cup group comprises reflector cups correspondingly arranged on each first LED light source and each second LED light source, the opening end of each reflector cup is far away from the lamp panel component and is provided with a front pressing plate, and the main lamp body is provided with a power supply component. The invention reduces the power of the lamp while meeting the light intensity and relative light intensity distribution, thereby prolonging the service life of the lamp.
Description
Technical Field
The invention belongs to the technical field of outdoor illumination of railway locomotives, and particularly relates to a locomotive LED light source headlamp with low power and high light intensity distribution.
Background
The conventional main outdoor illumination of the railway locomotive mainly adopts a xenon metal halide light source at present, and relatively speaking, although the energy consumption of a headlamp of the xenon metal halide light source is low, the headlamp has the obvious defect of short service life; the halogen tungsten light source is used by a small part of outdoor headlamps of the railway locomotive, the halogen tungsten light source headlamps have the defects of high energy consumption, short service life and the like, and a small part of vehicles also use LED light sources; the LED light source headlamp has no design standard in the early stage and is mainly applied to the locomotive outdoor lamp modified vehicle. And the requirement that the light intensity on a reference axis is more than or equal to 2000000cd can be met only under the design of limited structural space and reasonable heat dissipation performance, but the whole lamp has a small light-emitting angle and a small light spot at a certain test distance.
The latest iron standard TB/T2325.1-2018 is released in 2018, 9 months, wherein clear requirements are made on the illumination performance of the LED light source headlamp. On the premise of meeting the light intensity of more than or equal to 2000000cd on the reference axis of the line-drying machine in the standard 6.3.1, the requirements of more severe relative light intensity distribution in the standard 6.3.2 are also met. Most manufacturers can meet the requirement of the illumination performance of the new iron standard only by increasing the power of the LED light source headlamp in a limited structural space and under the heat dissipation design. However, this approach tends to increase the junction temperature of the LED light source, thereby reducing the lifetime of the light source.
Disclosure of Invention
The invention aims to provide a locomotive LED light source headlamp with low power and high light intensity distribution, and solves the problems that in the prior art, the junction temperature of an LED light source is increased and the service life of the light source is shortened due to the fact that the requirement of the illumination performance of a new iron standard is met by increasing the power of the LED light source headlamp.
The technical scheme adopted by the invention is that,
the utility model provides a locomotive LED light source head-light with low-power, high light intensity distributes, include the mounting bracket and set up the main lamp body on the mounting bracket, the main lamp body includes four lamp plate assembly, lamp plate assembly includes a first lamp plate assembly and three second lamp plate assembly, wherein, the first LED lamp source of a plurality of is installed to first lamp plate assembly, a plurality of second LED lamp source is installed to every second lamp plate assembly, the inclination has between second lamp plate assembly and the first lamp plate assembly, lamp plate assembly disposes the reflector cup group, the reflector cup group is including corresponding the reflector cup of disposing in every first LED lamp source and second LED lamp source, the lamp plate assembly is kept away from and is disposed the front bezel to the open end of every reflector cup, the main lamp body disposes power supply module.
The present invention is also characterized in that,
the second lamp plate assembly is connected to the first lamp plate assembly in a surrounding mode, each first LED lamp source and each second LED lamp source are welded on the lamp plate printed board through a light source bonding pad, and each reflection cup is correspondingly arranged on the light source bonding pad.
The front pressing plate is positioned at the opening end of the reflection cup and comprises a plurality of reflection cup positioning grooves corresponding to the opening end of the reflection cup.
The lamp body still includes the radiator, and the radiator sets up between mounting bracket and lamp plate subassembly.
The radiator comprises a radiating disc and a support, the mounting frame is provided with a plurality of mounting holes, and the support is connected with the corresponding mounting holes through bolts to fix the radiator at one end, close to the main lamp body, of the mounting frame.
The power supply assembly is arranged at one end, far away from the main lamp body, of the mounting frame, the power supply assembly is connected with the first LED light source and the second LED light source through internal wiring and external wiring respectively, and the power supply assembly is provided with an external wire connected with a power supply.
The lamp body is connected with the mounting frame through bolts in the axial direction, and the main lamp body is arranged between the cylinder body and the mounting frame.
The locomotive LED light source headlamp with low power and high light intensity distribution has the advantages that through reasonable light distribution design, the locomotive LED light source headlamp with low power and high light intensity distribution on the reference axis in TB/T2325.1-2018 is met. The minimization of the power of the whole machine is realized, so that the service life of the light source is greatly prolonged.
Drawings
FIG. 1 is a schematic diagram of a low power, high light intensity distribution locomotive LED light source headlamp according to the present invention;
FIG. 2 is an exploded view of a low power, high light intensity distribution locomotive LED light source headlamp according to the present invention;
FIG. 3 is an angled front cross-sectional view of a locomotive LED light source headlamp having a low power, high light intensity profile in accordance with the present invention;
fig. 4 is a detailed schematic diagram of a lamp panel assembly in the locomotive LED light source headlamp with low power and high light intensity distribution according to the present invention.
In the figure, 1 is a power supply assembly, 2 is a mounting frame, 3 is a radiator, 4 is a lamp panel assembly, 5 is a reflective cup, 6 is a front pressing plate, 7 is a cylinder, 8 is a light source bonding pad, 9 is a second LED lamp source, 10 is a first LED lamp source, 11 is a second lamp panel assembly, 12 is a first lamp panel assembly, 13 is a reflective cup positioning groove, 14 is a radiating plate, 15 is a support, and 16 is a mounting hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and embodiments, wherein the invention provides a low power, high light intensity distribution locomotive LED light source headlamp.
As shown in fig. 1 and fig. 2, a locomotive LED light source headlamp with low power and high light intensity distribution, include mounting bracket 2 and set up the main lamp body on mounting bracket 2, the main lamp body includes four lamp plate assemblies 4, lamp plate assembly 4 includes a first lamp plate assembly 12 and three second lamp plate assembly 11, wherein, first lamp plate assembly 12 installs the first LED lamp source 10 of a plurality of, every second lamp plate assembly 11 installs a plurality of second LED lamp source 9, the inclination has between second lamp plate assembly 11 and the first lamp plate assembly 12, lamp plate assembly 4 disposes reflector cup group, reflector cup group is including corresponding reflector cup 5 of disposing in every first LED lamp source 10 and second LED lamp source 9, the open end of every reflector cup 5 is kept away from lamp plate assembly 4 and is disposed front pressure plate 6, the main lamp body disposes power supply module 1.
As shown in fig. 4, further, three second lamp panel assemblies 11 are connected to the first lamp panel assembly 12 in a surrounding manner, each of the first LED lamp sources 10 and the second LED lamp sources 9 is welded on the lamp panel printed board through a light source pad 8, and each of the reflective cups 5 is correspondingly arranged on the light source pad 8.
The lamp panel printed board is a supporting body of the first LED lamp source 10 and the second LED lamp source 9, and the first lamp panel component 12 and the three second lamp panel components 11 are both lamp panel printed boards and the first LED lamp source 10 and the second LED lamp source 9 which are welded on the lamp panel printed board through the light source bonding pads 8.
As shown in fig. 3, the front pressing plate 6 is located at the open end of the reflective cup 5, and the front pressing plate 6 includes a plurality of reflective cup positioning slots 13 corresponding to the open end of the reflective cup 5.
Further, the main lamp body still includes radiator 3, and radiator 3 sets up between mounting bracket 2 and lamp plate subassembly 4.
Further, the heat sink 3 includes a heat dissipation plate 14 and a bracket 15, the mounting bracket 2 is provided with a plurality of mounting holes 16, and the bracket 15 and the corresponding mounting holes 16 are connected by bolts to fix the heat sink 3 to one end of the mounting bracket 2 close to the main lamp body.
Further, power supply module 1 sets up in the one end that the main lamp body was kept away from to mounting bracket 2, and power supply module 1 is walked line and outside wiring through inside respectively and is connected first LED light source 10 and second LED light source 9, and power supply module 1 is provided with the external conductor of connecting power.
Still include barrel 7, barrel 7 is through axial and mounting bracket 2 bolted connection, and the main lamp body sets up between barrel 7 and mounting bracket 2.
A locomotive LED light source headlamp with low power, high light intensity distribution of the present invention is described in further detail below with reference to specific embodiments.
The invention relates to a locomotive LED light source headlamp with low power and high light intensity distribution, which has the following installation modes: a plurality of reflector cups 5 are disposed on a front platen 6, and the front platen 6 is connected to a heat sink 3. The transparent lampshade 7 is fixed between the front pressing plate 6 and the cylinder 7, and the cylinder 7 is connected with the radiator 3. Finally, the cylinder 7 is mounted on the mounting frame 2 and fixed by screws, and the power module 1 is disposed on the outer surface of the mounting frame 2. The direct current of the external DC19V is added to the positive pole and the negative pole of the power supply assembly 1 to realize the light emission of the whole lamp.
After the structure is assembled, the maximum length of the product appearance is 430mm, the width is 252mm, the height is 430mm, the rated power is about 220W, and the standard requirements of TB/T2325.1-2018 on the light intensity and relative light intensity distribution on the reference axis of the headlamp are met simultaneously by reasonable light source type selection and secondary light distribution design.
The invention discloses an embodiment of a lamp panel component 4 of a locomotive LED light source headlamp with low power and high light intensity distribution, which comprises the following steps: through at six first LED light sources 10 of installation, the cooperation is anti-light cup 5 contributions satisfies the main luminous intensity that the epaxial luminous intensity of benchmark is greater than or equal to 2000000cd, two 11 each group's of second lamp plate assembly that are located first lamp plate assembly 12 both sides install three second LED light source 9, cooperation is anti-light cup 5 and is leaned out certain angle and polish, realize satisfying the luminous intensity of the relative luminous intensity distribution of both sides, two 11 installation second LED light sources 9 of second lamp plate assembly that are located the downside, the certain angle of cooperation anti-light cup 5 downward sloping is polished, realize satisfying the luminous intensity of the relative luminous intensity distribution of downside. Meanwhile, the eight second LED light sources around the light source have a certain light supplementing effect on the light intensity on the reference shaft by matching with the reflection cup 5. On the premise of simultaneously meeting the light intensity and relative light intensity distribution on a TB/T2325.1-2018 reference axis, the minimization of the power of the lamp is realized, the reliability of the product is improved to a great extent, and the service life is prolonged, particularly:
the section of the reflecting cup 5 is a parabola, and the center of the light emitting surface of the LED light source is positioned at the focus position of the parabola, so that the central light intensity of the light source is greatly enhanced;
the number of the LED light sources is two, wherein six first LED light sources 10 which are arranged in a rectangular shape in the middle are matched with the reflecting cup to realize the light-emitting effect with the requirement of high central light-emitting intensity; the light emitting effect meeting the surrounding relative light intensity distribution is realized by respectively inclining the three second LED light sources 9 of 1 group at two sides according to a certain position and the two second LED light sources 9 of 1 group at the lower side according to a certain position by 1.5 degrees at the left lower part, the right lower part and 2 degrees at the downward inclination respectively in cooperation with the reflecting cup.
The minimization of the complete machine power and the light source temperature under the condition that the light intensity and the relative light intensity distribution on the reference shaft simultaneously meet the requirements of new standards is realized through the two modes. The power of the whole machine is about 220W; the maximum temperature beside the light source bonding pad is less than or equal to 70 ℃ at the room temperature of 25 ℃. Thereby prolonging the service life of the light source and the reliability of the product to a greater extent.
The locomotive LED light source headlamp with low power and high light intensity distribution realizes the minimization of the power of the whole locomotive on the basis of meeting the light intensity and relative light intensity distribution on the reference shaft in TB/T2325.1-2018, thereby prolonging the service life of the light source to a greater extent and having certain practicability.
Claims (7)
1. The locomotive LED light source headlamp with low power and high light intensity distribution is characterized by comprising a mounting frame (2) and a main lamp body arranged on the mounting frame (2), wherein the main lamp body comprises four lamp panel assemblies (4), each lamp panel assembly (4) comprises a first lamp panel assembly (12) and three second lamp panel assemblies (11), a plurality of first LED light sources (10) are installed on the first lamp panel assembly (12), a plurality of second LED light sources (9) are installed on each second lamp panel assembly (11), an inclination angle is formed between each second lamp panel assembly (11) and the first lamp panel assembly (12), a reflector cup group is configured on each lamp panel assembly (4), each reflector cup group comprises reflector cups (5) correspondingly configured on each first LED light source (10) and each second LED light source (9), the open end of each reflector cup (5) is far away from the assembly (4) and is configured with a front pressing plate (6), the main lamp body is provided with a power supply assembly (1).
2. The locomotive LED light source headlamp with low power and high light intensity distribution as claimed in claim 1, wherein three second lamp panel assemblies (11) are connected to the first lamp panel assembly (12) in a surrounding manner, each first LED light source (10) and each second LED light source (9) are welded on the lamp panel printed board through a light source bonding pad (8), and each reflector cup (5) is correspondingly arranged on the light source bonding pad (8).
3. The locomotive LED light source headlamp with low power and high light intensity distribution as set forth in claim 2, characterized in that said front press plate (6) is located at the open end of the reflector cup (5), said front press plate (6) comprising a plurality of reflector cup positioning slots (13) corresponding to the open end of the reflector cup (5).
4. A locomotive LED light source headlamp with low power and high light intensity distribution according to claim 1, characterized in that said lamp body further comprises a heat sink (3), said heat sink (3) being disposed between the mounting bracket (2) and the lamp panel assembly (4).
5. The locomotive LED light source headlamp with low power and high light intensity distribution as claimed in claim 4, characterized in that the heat sink (3) comprises a heat dissipation plate (14) and a bracket (15), the mounting bracket (2) is provided with a plurality of mounting holes (16), and the bracket (15) and the corresponding mounting holes (16) are connected through bolts to fix the heat sink (3) at one end of the mounting bracket (2) close to the main lamp body.
6. The locomotive LED light source headlamp with low power and high light intensity distribution as claimed in claim 1, wherein the power supply assembly (1) is disposed at an end of the mounting frame (2) far away from the main lamp body, the power supply assembly (1) is connected with the first LED light source (10) and the second LED light source (9) through internal wiring and external wiring, respectively, and the power supply assembly (1) is provided with an external wire for connecting with a power supply.
7. The locomotive LED light source headlamp with low power and high light intensity distribution as claimed in claim 1, further comprising a cylinder (7), wherein the cylinder (7) is axially bolted to the mounting frame (2), and the main lamp body is arranged between the cylinder (7) and the mounting frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328315.8A CN110985989B (en) | 2019-12-20 | 2019-12-20 | Locomotive LED light source headlamp with low power and high light intensity distribution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328315.8A CN110985989B (en) | 2019-12-20 | 2019-12-20 | Locomotive LED light source headlamp with low power and high light intensity distribution |
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| CN110985989A true CN110985989A (en) | 2020-04-10 |
| CN110985989B CN110985989B (en) | 2022-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007617A (en) * | 2020-11-30 | 2021-06-22 | 江西嘉捷鑫源科技有限公司 | Ball bulb lamp |
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| Publication number | Publication date |
|---|---|
| CN110985989B (en) | 2022-04-01 |
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