CN211040825U

CN211040825U - Low-power and high-light-intensity-distribution locomotive L ED light source headlamp

Info

Publication number: CN211040825U
Application number: CN201922312152.6U
Authority: CN
Inventors: 姜涛; 杨鹏; 汪涛
Original assignee: Sbf Xi'an Lighting Technology Co ltd
Current assignee: Sbf Xi'an Lighting Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-07-17
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a low-power, locomotive L ED light source head-light of high light intensity distribution, 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 L ED lamp source of a plurality of is installed to first lamp plate assembly, every second lamp plate assembly installs a plurality of second L ED lamp source, the inclination has between second lamp plate assembly and the first lamp plate assembly, lamp plate assembly disposes reflection of light cup group, reflection of light cup group is including corresponding the reflection of light cup of disposing in every first L ED lamp source and second L ED lamp source, lamp plate assembly is kept away from and the front pressure plate is disposed to the open end of every reflection of light cup, the front pressure plate is provided with transparent lamp shade in the one end of keeping away from reflection of light cup group, main lamp body disposes power supply module, the utility model discloses when satisfying luminous intensity and relative light intensity distribution, the power of lamps and lanterns has been.

Description

Low-power and high-light-intensity-distribution locomotive L ED light source headlamp

Technical Field

The utility model belongs to the technical field of the outdoor illumination of railway locomotive, concretely relates to locomotive L ED light source head-light of low-power, high light intensity distribution.

Background

The conventional main outdoor lighting of the railway locomotive mainly adopts a xenon metal halide light source at present, relatively speaking, the xenon metal halide light source headlamp has the obvious defect of short service life although the energy consumption is lower, the defects of high energy consumption, short service life and the like of a small part of outdoor headlamps of the railway locomotive when using halogen tungsten light sources and the like of the halogen tungsten light source headlamp are also overcome, L ED light sources are also used by a small part of vehicles, no design standard can be relied on in the early stage of the L ED light source headlamp, L ED light source headlamps manufactured by most manufacturers are mainly applied to outdoor lamp modified vehicles of the locomotive, the requirements that the light intensity on a reference shaft is not less than 2000000cd can be met only under the limited structural space and reasonable heat dissipation design, the light emitting angle of the whole lamp is small, and the light spot under a certain test distance is also smaller.

The latest iron standard TB/T2325.1-2019 is released in 2019, 10 months, wherein clear requirements are made on the illumination performance of a L ED light source headlamp, on the premise that the light intensity on a reference shaft of a wire drying machine in 6.3.1 in the standard is not less than 2000000cd, the requirements of 6.3.2 on harsher relative light intensity distribution are also met at the same time, most manufacturers can meet the requirements of the illumination performance of a new iron standard only by increasing L ED light source headlamp power in a limited structural space and a heat dissipation design, but the junction temperature of the L ED light source is increased by adopting the method, so that the service life of the light source is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a locomotive L ED light source head-light of low-power, high light intensity distribution has solved among the prior art because of the mode through increasing L ED light source head-light power realizes satisfying the requirement of new iron standard illumination performance, and the junction temperature of the L ED light source that causes risees to reduce light source life's problem.

The technical proposal adopted by the utility model is that,

the utility model provides a low power, locomotive L ED light source head-light of high light intensity distribution, 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 L ED lamp source of a plurality of is installed to first lamp plate assembly, a plurality of second L ED 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 L ED lamp source and second L ED lamp source, the lamp plate assembly is kept away from and the front board is disposed to the open end of every reflector cup, the front board is provided with transparent lampshade in the one end of keeping away from the reflector cup group, main lamp body disposes power supply.

The utility model is also characterized in that,

the second lamp plate subassembly is around connecting in first lamp plate subassembly, and every first L ED lamp source and second L ED lamp source all pass through the light source pad welding on the lamp plate printed board, and every reflection of light cup corresponds and sets up in the light source 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.

Power supply module sets up in the one end that the main lamp body was kept away from to the mounting bracket, and power supply module connects first L ED light source and second L ED light source through inside line and outside wiring respectively, and power supply module is provided with the external conductor who connects the power.

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 beneficial effects of the utility model are that, the utility model relates to a locomotive L ED light source head-light of low-power, high light intensity distribution through reasonable grading design, under the prerequisite that satisfies the epaxial luminous intensity of benchmark in TB/T2325.1-2019 and relative light intensity distribution, realizes the minimizing of complete machine power to the life of greatly increased light source.

Drawings

FIG. 1 is a schematic diagram of a low power, high light intensity distribution vehicle L ED light source headlamp of the present invention;

FIG. 2 is an exploded view of a low power, high light intensity distribution vehicle L ED light source headlamp of the present invention;

FIG. 3 is an angled front cross-sectional view of a low power, high light intensity distributed locomotive L ED light source headlamp of the present invention;

fig. 4 is a detailed schematic diagram of a lamp panel assembly in a low-power and high-light-intensity-distribution locomotive L ED light source headlamp of the present invention.

In the drawing, 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 transparent lamp shade, 8 is a cylinder, 9 is a light source bonding pad, 10 is a second L ED lamp source, 11 is a first L ED lamp source, 12 is a second lamp panel assembly, 13 is a first lamp panel assembly, 14 is a reflective cup positioning groove, 15 is a radiating disc, 16 is a support, and 17 is a mounting hole.

Detailed Description

The following describes a low power, high light intensity distributed locomotive L ED light source headlamp according to the present invention in detail with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 and fig. 2, a low-power, high light intensity distribution's locomotive L ED light source head-light, include mounting bracket 2 and set up the main lamp body on mounting bracket 2, the main lamp body includes four lamp plate components 4, lamp plate components 4 include a first lamp plate component 13 and three second lamp plate component 12, wherein, first L ED lamp source 11 of a plurality of is installed to first lamp plate component 13, a plurality of second L ED lamp source 10 is installed to every second lamp plate component 12, second lamp plate component 12 and first lamp plate component 13 between have the inclination, lamp plate components 4 dispose the reflector cup group, the reflector cup group is including corresponding reflector cup 5 who disposes in every first L ED lamp source 11 and second L ED lamp source 10, lamp plate components 4 and dispose preceding clamp plate 6 are kept away from to the open end of every reflector cup 5, preceding clamp plate 6 is provided with transparent lampshade 7 in the one end of keeping away from the reflector cup group, the main lamp body disposes power supply module 1.

As shown in fig. 4, further, three second lamp panel assemblies 12 are connected to the first lamp panel assembly 13 in a surrounding manner, each of the first L ED lamp sources 11 and the second L ED lamp sources 10 is welded on the lamp panel printed board through a light source pad 9, and each of the light reflecting cups 5 is correspondingly disposed on the light source pad 9.

The lamp panel printed board is the carrier of first L ED lamp source 11 and second L ED lamp source 10 promptly, and first lamp plate subassembly 13 and three second lamp plate subassembly 12 are lamp panel printed board and weld first L ED lamp source 11 and second L ED lamp source 10 in lamp panel printed board through light source pad 9.

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 14 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 15 and a bracket 16, the mounting bracket 2 is provided with a plurality of mounting holes 17, and the bracket 16 is connected with the corresponding mounting holes 17 through 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 of mounting bracket 2 keeping away from the main lamp body, and power supply module 1 is connected first L ED light source 11 and second L ED light source 10 through inside wiring and outside wiring respectively, and power supply module 1 is provided with the external conductor who connects the power.

Still include barrel 8, barrel 8 is through axial and mounting bracket 2 bolted connection, and the main lamp body sets up between barrel 8 and mounting bracket 2.

A low power, high light intensity distributed locomotive L ED light source headlamp of the present invention is described in further detail below with reference to specific embodiments.

The utility model relates to a locomotive L ED light source head-light of low-power, high light intensity distribution's mounting means is that set up a plurality of anti-light cup 5 on preceding clamp plate 6 to link to each other preceding clamp plate 6 and radiator 3, and transparent lamp shade 7 is then fixed in between preceding clamp plate 6 and the barrel 8, barrel 8 links to each other with radiator 3, install barrel 8 on mounting bracket 2 and pass through the fix with screw at last, power supply module 1 then sets up in the surface of mounting bracket 2, with external DC110V direct current add to power supply module 1 just, the negative pole is realized the utility model discloses whole light is luminous.

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/T2325.1-2019 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 utility model relates to a low-power, an embodiment of lamp plate subassembly 4 of locomotive L ED light source head-light of high light intensity distribution particularly through installing six first L ED light sources 11, cooperation reflection of light cup 5 contribution satisfies the epaxial luminous intensity of benchmark and is greater than or equal to 2000000cd main luminous intensity, two second lamp plate subassembly 12 that are located first lamp plate subassembly 13 both sides are three second L ED light source 10 of group installation, cooperation reflection of light cup 5 throws light at certain angle that leans out, realize satisfying the luminous intensity of the relative luminous intensity distribution of both sides, second lamp plate subassembly 12 that is located the downside installs two second L ED light sources 10, cooperation reflection of light cup 5 downward sloping is thrown light at certain angle, realize satisfying the luminous intensity of the relative luminous intensity distribution of downside, simultaneously, eight second L ED light sources on every side cooperate reflection of light cup 5 also have certain light filling effect to the epaxial luminous intensity of benchmark, finally realize satisfying under the prerequisite of TB/T2325.1-2019 epaxial luminous intensity of light intensity and relative luminous intensity distribution simultaneously, the reliability of lamps and products has been improved to a great extent, service life particularly:

the section of the light reflecting cup 5 is a parabola, and the center of the luminous surface of the L ED light source is positioned at the focus position of the parabola, so that the central light intensity of the light source is greatly enhanced;

l ED light sources are two, wherein, the six first L ED light sources 11 with the middle in rectangular arrangement are matched with the reflecting cup to realize the light emitting effect required by the central high light emitting intensity, 1 group of three second L ED light sources 10 with two sides arranged according to a certain position and 1 group of two second L ED light sources 10 with the lower side arranged according to a certain position are matched with the reflecting cup to respectively irradiate light at 1.5 degrees of inclination at the left lower part, the right lower part and the 2 degrees of inclination at the lower part, and the light emitting effect meeting the relative light intensity distribution at the periphery is realized.

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 80 ℃ 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 utility model relates to a locomotive L ED light source head-light of low-power, high light intensity distribution has realized the minimizing of complete machine power under satisfying the basic epaxial luminous intensity of benchmark and relative light intensity distribution in TB/T2325.1-2019 to prolonged the life-span of light source to a great extent, had certain practicality.

Claims

1. The utility model provides a locomotive L ED light source head-light of low-power, high light intensity distribution, its characterized in that, include mounting bracket (2) and set up the main lamp body on mounting bracket (2), the main lamp body includes four lamp plate components (4), lamp plate component (4) include a first lamp plate component (13) and three second lamp plate component (12), wherein, first L ED lamp source (11) of a plurality of are installed in first lamp plate component (13), every a plurality of second L ED lamp source (10) are installed in second lamp plate component (12), the inclination has between second lamp plate component (12) and first lamp plate component (13), lamp plate component (4) dispose reflection of light cup group, reflection of light cup group is including corresponding reflection of light cup (5) of disposing in every first L ED lamp source (11) and second L lamp source (10), every reflection of light cup (5) open end keep away from reflection of light cup group (4) and dispose preceding clamp plate (6), preceding clamp plate (6) are provided with transparent lamp body lamp shade (7) in the one end of keeping away from reflection of light cup group, lamp plate component (1) disposes.

2. A low power, high light intensity distribution locomotive L ED light source head lamp as claimed in claim 1, wherein three second light panel assemblies (12) are connected around the first light panel assembly (13), each of the first L ED light source (11) and the second L ED light source (10) is welded on the light panel printed board through a light source pad (9), and each of the reflector cups (5) is correspondingly disposed on the light source pad (9).

3. A low power, high light intensity distributed locomotive L ED light source headlamp according to claim 2, wherein said front pressing plate (6) is located at the open end of the reflector cup (5), said front pressing plate (6) including a plurality of reflector cup positioning slots (14) corresponding to the open end of the reflector cup (5).

4. A low power, high light intensity distributed locomotive L ED light source headlamp according to claim 1, wherein the lamp body further comprises a heat sink (3), the heat sink (3) being disposed between the mounting bracket (2) and the lamp panel assembly (4).

5. A low-power high-light-intensity-distribution locomotive L ED light source headlamp according to claim 4, wherein the heat sink (3) comprises a heat dissipation plate (15) and a bracket (16), the mounting bracket (2) is provided with a plurality of mounting holes (17), and the bracket (16) is connected with the corresponding mounting holes (17) through bolts to fix the heat sink (3) at one end of the mounting bracket (2) close to the main lamp body.

6. A low power, high light intensity distributed locomotive L ED light source headlamp according to claim 1, wherein the power module (1) is disposed at an end of the mounting bracket (2) away from the main lamp body, the power module (1) is connected to the first L ED light source (11) and the second L ED light source (10) through internal wiring and external wiring, respectively, and the power module (1) is provided with external wires for connecting the power source.

7. A low power, high light intensity distributed locomotive L ED light source headlamp according to claim 1, further comprising a barrel (8), wherein the barrel (8) is axially bolted to the mounting bracket (2), and the main lamp body is disposed between the barrel (8) and the mounting bracket (2).