Locomotive LED headlamp

Abstract

The utility model discloses a locomotive LED headlamp which comprises a headlamp body, and the headlamp body comprises a heat dissipation plate, a lampshade, a light-transmitting plate, a high beam lamp and a plurality of low beam lamps. Wherein the high beam lamp is connected to the heat dissipation plate, the low beam lamp is connected to the heat dissipation plate and sequentially arranged on the outer ring of the high beam lamp in a surrounding mode in the circumferential direction with the high beam lamp as the center, one end of the lampshade is connected to the heat dissipation plate, and the other end of the lampshade is connected to the heat dissipation plate. The high beam lamp and the low beam lamp are both arranged on the inner side of the lampshade, and the light-transmitting plate is connected to the other end of the lampshade and covers the high beam lamp and the low beam lamp. According to the utility model, switching between high-beam illumination and low-beam illumination can be realized, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to a locomotive LED headlamp. Background Art

[0002] At present, locomotive headlights are lamps installed at the front of the train for lighting the front, and locomotive headlights play an important role in the safety of railway transportation. There are many types of existing locomotive headlights. For example, the Chinese patent with announcement number CN211040825U discloses a locomotive LED light source headlight with low power and high light intensity distribution. The locomotive LED light source headlight with low power and high light intensity distribution is evenly arranged with multiple LED light sources for lighting, but it cannot realize the switching between high beam lighting and low beam lighting well, resulting in inconvenience in use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a motorcycle LED headlamp, which can realize the switch between high beam lighting and low beam lighting and is more convenient to use.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a motorcycle LED headlamp, which includes a lamp body, the lamp body includes a heat dissipation plate, a lampshade, a light-transmitting plate, a high-beam lamp and a plurality of low-beam lamps;

[0005] The high beam lamp is connected to the heat sink;

[0006] The low beam lamp is connected to the heat sink and is arranged in sequence around the outer ring of the high beam lamp along the circumferential direction with the high beam lamp as the center;

[0007] One end of the lampshade is connected to the heat sink, and the high-beam lamp and the low-beam lamp are both arranged on the inner side of the lampshade;

[0008] The light-transmitting plate is connected to the other end of the lampshade and covers the high-beam lamp and the low-beam lamp.

[0009] A specific structure of the high beam lamp is further provided, wherein the high beam lamp comprises a reflective bowl, a heat conducting component, an LED module and a main driving power supply;

[0010] The reflective bowl is connected to the heat sink, and the reflective bowl is located inside the lampshade and between the heat sink and the light-transmitting plate;

[0011] The heat-conducting component is connected to the heat dissipation plate, and one end of the heat-conducting component extends into the reflective bowl;

[0012] The LED module is located in the reflective bowl and connected to the heat conducting component;

[0013] The main driving power supply is connected to the LED module.

[0014] A specific structure of the LED module is further provided, wherein the LED module comprises a plurality of LED light-emitting chips, wherein the LED light-emitting chips are connected to the heat-conducting component, are located in the reflective bowl, and are uniformly distributed in sequence along the circumference of the reflective bowl;

[0015] The inner wall of the reflective bowl is provided with paraboloids corresponding to the LED light-emitting chips one by one, and the paraboloids are evenly distributed along the circumference of the reflective bowl;

[0016] The LED light emitting chip is located at the focus of the corresponding parabola.

[0017] Furthermore, the motorcycle LED headlamp also includes a fixed frame, a movable frame and an angle adjustment mechanism;

[0018] The lighting body is connected to the movable frame;

[0019] The movable frame is rotatably connected to the fixed frame;

[0020] The angle adjustment mechanism is connected to the fixing frame and the lamp body respectively and is used to drive the lamp body and the movable frame to rotate relative to the fixing frame, thereby adjusting the pitch angle of the lamp body.

[0021] Furthermore, at least one cooling fan is connected to the movable frame, and / or an auxiliary driving power supply connected to the low-beam lamp is installed on the movable frame.

[0022] A specific structure of the movable frame is further provided, wherein the movable frame comprises a left bracket plate, a right bracket plate and a mounting plate;

[0023] The front end portion of the left bracket plate and the front end portion of the right bracket plate are respectively connected to the lamp body;

[0024] The mounting plate is connected to the rear end of the left bracket plate and the rear end of the right bracket plate;

[0025] The left bracket plate and the right bracket plate are rotatably connected to the fixing frame respectively;

[0026] The cooling fan and the auxiliary driving power supply are both connected to the mounting plate.

[0027] Furthermore, the front end portion of the left bracket plate and the front end portion of the right bracket plate are respectively connected to the heat dissipation plate in the lamp body.

[0028] Further providing a specific structure of the angle adjustment mechanism, the angle adjustment mechanism comprises an adjustment screw, a threaded seat, an adjustment frame and a connecting mechanism;

[0029] The threaded seat is connected to the fixing frame;

[0030] The adjustment frame is connected to the lower end of the lamp body;

[0031] The connecting mechanism is arranged on the adjusting screw, and one end of the adjusting screw is connected to the adjusting frame through the connecting mechanism;

[0032] The adjusting screw is threadedly connected to the threaded seat, so that when the adjusting screw is rotated, the adjusting screw moves forward and backward and drives the adjusting frame to move forward and backward through the connecting mechanism, thereby driving the lighting body and the movable frame to pitch and rotate.

[0033] A specific structure of the adjustment frame is further provided, wherein the adjustment frame comprises a first frame body and a second frame body, and the connecting mechanism comprises a spring, a nut, a front gasket and a rear gasket;

[0034] The first frame is connected to the lower end of the lamp body;

[0035] The second frame is connected to the first frame, and an open slot is provided on the second frame, and one end of the adjusting screw passes through the open slot;

[0036] The front gasket and the rear gasket are both sleeved on the adjusting screw, the front gasket abuts against the front end surface of the second frame, and the rear gasket abuts against the rear end surface of the second frame;

[0037] The spring is sleeved on the adjusting screw and is located between the threaded seat and the rear gasket, the rear end of the spring abuts against the threaded seat, and the front end of the spring abuts against the rear gasket;

[0038] The nut is connected to the adjusting screw and abuts against the front end surface of the front gasket.

[0039] Furthermore, the first frame is connected to the lower end of the heat dissipation plate in the lamp body.

[0040] After adopting the above technical solution, when the high beam lamp is turned on, it is used to illuminate the distance beyond 300 meters on the track surface, and when the low beam lamp is turned on, it is used to illuminate the near area in front of the train, thereby realizing the switching between high beam lighting and low beam lighting, and making it more convenient to use. The low beam lamp is arranged around the outer ring of the high beam lamp in the circumferential direction with the high beam lamp as the center, thereby making the low beam lighting more uniform and clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a structural schematic diagram of the front side of the motorcycle LED headlight of the utility model;

[0042] Figure 2 It is a cross-sectional view of the motorcycle LED headlamp of the utility model;

[0043] Figure 3 It is an exploded view of the assembly of the motorcycle LED headlight of the utility model;

[0044] Figure 4 It is a structural schematic diagram of the rear side of the motorcycle LED headlight of the utility model;

[0045] Figure 5 It is a structural schematic diagram of the angle adjustment mechanism of the utility model;

[0046] Figure 6 for Figure 5 Partial detail drawing. DETAILED DESCRIPTION

[0047] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0048] like Figures 1 to 5 As shown, a motorcycle LED headlamp comprises a lamp body 100, wherein the lamp body 100 comprises a heat dissipation plate 1, a lamp cover 2, a light-transmitting plate 3, a high-beam lamp 4 and a plurality of low-beam lamps 5;

[0049] The high beam lamp 4 is connected to the heat sink 1;

[0050] The low beam lamp 5 is connected to the heat sink 1 and is arranged around the outer ring of the high beam lamp 4 in a circumferential direction with the high beam lamp 4 as the center;

[0051] One end of the lampshade 2 is connected to the heat sink 1 , and the high beam lamp 4 and the low beam lamp 5 are both arranged on the inner side of the lampshade 2 ;

[0052] The light-transmitting plate 3 is connected to the other end of the lampshade 2 and covers the high beam lamp 4 and the low beam lamp 5. Specifically, when the high beam lamp 4 is turned on, it is used to illuminate the distance beyond 300 meters of the track surface, and when the low beam lamp 5 is turned on, it is used to illuminate the near area in front of the train, thereby being able to well realize the switching between high beam lighting and low beam lighting, and being more convenient to use. Among them, the low beam lamp 5 is circumferentially arranged around the outer circle of the high beam lamp 4 with the high beam lamp 4 as the center, thereby being able to make the low beam lighting more uniform and clear. In this embodiment, the light of the high beam lamp 4 and the light of the low beam lamp 5 are both emitted after passing through the light-transmitting plate 3, and there are 14 low beam lamps 5 in total.

[0053] like Figures 1 to 3 As shown, the high beam lamp 4 may include a reflective bowl 6, a heat conducting component 7, an LED module 8 and a main driving power supply;

[0054] The reflective bowl 6 is connected to the heat sink 1 , and the reflective bowl 6 is located inside the lampshade 2 and between the heat sink 1 and the light-transmitting plate 3 ;

[0055] The heat conducting component 7 is connected to the heat dissipation plate 1, and one end of the heat conducting component 7 extends into the reflective bowl 6;

[0056] The LED module 8 is located in the reflective bowl 6 and connected to the heat conducting component 7;

[0057] The main driving power supply is connected to the LED module 8; specifically, the main driving power supply controls the LED module 8 to emit light, and the light is reflected by the reflective bowl 6 and then emitted through the light-transmitting plate 3. In this embodiment, the main driving power supply is connected to the heat sink 1, and a protective shell is provided on the outside of the main driving power supply. The diameter of the reflective bowl 6 is More specifically, the specific structure of the heat-conducting component 7 is a prior art, and specific reference may be made to a heat dissipation structure of an LED lamp disclosed in Chinese patent publication number CN207438526U.

[0058] like Figures 1 to 3 As shown, the LED module 8 may include a plurality of LED light-emitting chips 9, which are connected to the heat-conducting component 7, located in the reflective bowl 6 and uniformly distributed in sequence along the circumference of the reflective bowl 6;

[0059] The inner wall of the reflective bowl 6 is provided with paraboloids corresponding to the LED light-emitting chips 9 one by one, and the paraboloids are evenly distributed along the circumference of the reflective bowl 6;

[0060] The LED light-emitting chip 9 is located at the focus of the corresponding parabola, thereby forming a focusing reflective system; in this embodiment, there are four LED light-emitting chips 9 and four paraboloids, and the heat of the LED light-emitting chip 9 is transferred to the heat sink 1 through the heat-conducting component 7.

[0061] like Figures 1 to 6 As shown, the motorcycle LED headlamp may further include a fixing frame 10, a movable frame 11 and an angle adjustment mechanism 12;

[0062] The lighting body 100 is connected to the movable frame 11;

[0063] The movable frame 11 is rotatably connected to the fixed frame 10;

[0064] The angle adjustment mechanism 12 is respectively connected to the fixed frame 10 and the lamp body 100 and is used to drive the lamp body 100 and the movable frame 11 to rotate relative to the fixed frame 10, thereby adjusting the pitch angle of the lamp body 100; specifically, the angle adjustment mechanism 12 drives the lamp body 100 and the movable frame 11 to rotate a certain angle, thereby adjusting the pitch angle of the lamp body 100, and then adjusting the angle of light emission, so as to adjust the lighting angle.

[0065] like Figure 4 As shown, at least one cooling fan 13 is connected to the movable frame 11, and an auxiliary driving power supply connected to the low beam lamp 5 is installed on the movable frame 11; in the present embodiment, two cooling fans 13 are provided, and the cooling fans 13 are used to blow air to the heat sink 1 for heat dissipation; specifically, the specific structure of the low beam lamp 5 is the prior art well known to those skilled in the art, and will not be described in detail in the present embodiment.

[0066] like Figures 1 to 5 As shown, the movable frame 11 may include a left bracket plate 14, a right bracket plate 15 and a mounting plate 16;

[0067] The front end of the left bracket plate 14 and the front end of the right bracket plate 15 are respectively connected to the lamp body 100;

[0068] The mounting plate 16 is connected to the rear end of the left bracket plate 14 and the rear end of the right bracket plate 15;

[0069] The left bracket plate 14 and the right bracket plate 15 are rotatably connected to the fixing frame 10 respectively;

[0070] The cooling fan 13 and the auxiliary driving power supply are both connected to the mounting plate 16 .

[0071] Specifically, the front end portion of the left bracket plate 14 and the front end portion of the right bracket plate 15 are respectively connected to the heat sink 1 in the lamp body 100 .

[0072] like Figure 2 , 5 As shown in , 6, the angle adjustment mechanism 12 may include an adjustment screw 17, a threaded seat 18, an adjustment frame 19 and a connecting mechanism;

[0073] The threaded seat 18 is connected to the fixing frame 10;

[0074] The adjustment frame 19 is connected to the lower end of the lamp body 100;

[0075] The connecting mechanism is arranged on the adjusting screw 17, and one end of the adjusting screw 17 is connected to the adjusting frame 19 through the connecting mechanism;

[0076] The adjusting screw 17 is threadedly connected to the threaded seat 18, so that when the adjusting screw 17 is rotated, the adjusting screw 17 moves forward and backward and drives the adjusting frame 19 to move forward and backward through the connecting mechanism, thereby driving the lamp body 100 and the movable frame 11 to pitch and rotate; specifically, a plum blossom handle is connected to the adjusting screw 17.

[0077] like Figure 2 , 5 As shown in FIG. 6 , the adjustment frame 19 may include a first frame body 20 and a second frame body 21 , and the connecting mechanism may include a spring 22 , a nut 23 , a front gasket 24 and a rear gasket 25 ;

[0078] The first frame 20 is connected to the lower end of the lamp body 100;

[0079] The second frame 21 is connected to the first frame 20. The second frame 21 is provided with an open slot 26. One end of the adjusting screw 17 passes through the open slot 26.

[0080] The front gasket 24 and the rear gasket 25 are both sleeved on the adjusting screw 17, the front gasket 24 abuts against the front end surface of the second frame 21, and the rear gasket 25 abuts against the rear end surface of the second frame 21;

[0081] The spring 22 is sleeved on the adjusting screw 17 and is located between the threaded seat 18 and the rear gasket 25. The rear end of the spring 22 abuts against the threaded seat 18, and the front end of the spring 22 abuts against the rear gasket 25.

[0082] The nut 23 is connected to the adjusting screw 17 and abuts against the front end surface of the front gasket 24; specifically, the spring 22 is in a compressed state, and the rear gasket 25, the second frame 21, the front gasket 24 and the nut 23 are always kept in a state of being pressed in sequence under the thrust of the spring 22. Rotating the adjusting screw 17 can move the adjusting screw 17 in the front-to-back direction, thereby driving the second frame 21 and the first frame 20 to move in the front-to-back direction, thereby causing the lower end of the lamp body 100 to swing forward and backward, so that the lamp body 100 and the movable frame 11 can be pitched and rotated as a whole, thereby adjusting the pitch angle of the lamp body 100 to adjust the illumination angle.

[0083] Specifically, the first frame 20 is connected to the lower end of the heat sink 1 in the lamp body 100 ; in this embodiment, the heat sink 1 can be an aluminum plate, and the fixing frame 10 is also connected to a wiring terminal.

[0084] Specifically, the locomotive LED headlamp of the embodiment of the present application outputs full power of the main driving power supply in the strong light mode, the power is ≤300W, and the main driving power supply outputs reduced power in the weak light mode. The luminous intensity on the reference axis in the strong light mode is ≥2000×103cd, and the luminous intensity on the reference axis in the weak light mode is 30% to 65% of that in the strong light mode.

[0085] In summary, when the high beam lamp 4 is turned on, it is used to illuminate the distance beyond 300 meters on the track surface, and when the low beam lamp 5 is turned on, it is used to illuminate the area near the front of the train, thereby realizing the switching between high beam lighting and low beam lighting, and making it more convenient to use. The low beam lamp 5 is arranged around the outer ring of the high beam lamp 4 in the circumferential direction with the high beam lamp 4 as the center, thereby making the low beam lighting more uniform and clear.

[0086] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A motorcycle LED headlamp, characterized in that: The lamp comprises a main body (100), wherein the main body (100) comprises a heat dissipation plate (1), a lampshade (2), a light-transmitting plate (3), a high-beam lamp (4) and a plurality of low-beam lamps (5); The high-beam lamp (4) is connected to the heat sink (1); The low-beam lamp (5) is connected to the heat dissipation plate (1) and is arranged in sequence around the outer ring of the high-beam lamp (4) along the circumferential direction with the high-beam lamp (4) as the center; One end of the lampshade (2) is connected to the heat dissipation plate (1), and the high-beam lamp (4) and the low-beam lamp (5) are both arranged on the inner side of the lampshade (2); The light-transmitting plate (3) is connected to the other end of the lampshade (2) and covers the high-beam lamp (4) and the low-beam lamp (5).

2. The motorcycle LED headlamp according to claim 1, characterized in that: The high-beam lamp (4) comprises a reflective bowl (6), a heat-conducting component (7), an LED module (8) and a main driving power supply; The reflective bowl (6) is connected to the heat sink (1), and the reflective bowl (6) is located on the inner side of the lampshade (2) and between the heat sink (1) and the light-transmitting plate (3); The heat-conducting component (7) is connected to the heat dissipation plate (1), and one end of the heat-conducting component (7) extends into the reflective bowl (6); The LED module (8) is located in the reflective bowl (6) and connected to the heat conducting component (7); The main driving power supply is connected to the LED module (8).

3. The motorcycle LED headlamp according to claim 2, characterized in that: The LED module (8) comprises a plurality of LED light-emitting chips (9), wherein the LED light-emitting chips (9) are connected to the heat-conducting component (7), are located in the reflective bowl (6), and are uniformly distributed in sequence along the circumference of the reflective bowl (6); The inner wall of the reflective bowl (6) is provided with paraboloids corresponding one to one with the LED light-emitting chips (9), and the paraboloids are evenly distributed along the circumference of the reflective bowl (6); The LED light-emitting chip (9) is located at the focus of the corresponding parabola.

4. The motorcycle LED headlamp according to claim 1, characterized in that: It also includes a fixed frame (10), a movable frame (11) and an angle adjustment mechanism (12); The lighting body (100) is connected to the movable frame (11); The movable frame (11) is rotatably connected to the fixed frame (10); The angle adjustment mechanism (12) is respectively connected to the fixing frame (10) and the lighting body (100) and is used to drive the lighting body (100) and the movable frame (11) to rotate relative to the fixing frame (10), thereby adjusting the pitch angle of the lighting body (100).

5. The motorcycle LED headlamp according to claim 4, characterized in that: At least one cooling fan (13) is connected to the movable frame (11), and / or an auxiliary driving power supply connected to the low-beam lamp (5) is installed on the movable frame (11).

6. The motorcycle LED headlamp according to claim 5, characterized in that: The movable frame (11) comprises a left bracket plate (14), a right bracket plate (15) and a mounting plate (16); The front end portion of the left bracket plate (14) and the front end portion of the right bracket plate (15) are respectively connected to the lamp body (100); The mounting plate (16) is connected to the rear end of the left bracket plate (14) and the rear end of the right bracket plate (15); The left bracket plate (14) and the right bracket plate (15) are respectively rotatably connected to the fixing frame (10); The cooling fan (13) and the auxiliary driving power supply are both connected to the mounting plate (16).

7. The motorcycle LED headlamp according to claim 6, characterized in that: The front end of the left bracket plate (14) and the front end of the right bracket plate (15) are respectively connected to the heat dissipation plate (1) in the lamp body (100).

8. The motorcycle LED headlamp according to claim 4, characterized in that: The angle adjustment mechanism (12) comprises an adjustment screw (17), a threaded seat (18), an adjustment frame (19) and a connecting mechanism; The threaded seat (18) is connected to the fixing frame (10); The adjustment frame (19) is connected to the lower end of the lamp body (100); The connecting mechanism is arranged on the adjusting screw (17), and one end of the adjusting screw (17) is connected to the adjusting frame (19) through the connecting mechanism; The adjusting screw (17) is threadedly connected to the threaded seat (18), so that when the adjusting screw (17) is rotated, the adjusting screw (17) moves forward and backward and drives the adjusting frame (19) to move forward and backward through the connecting mechanism, thereby driving the lighting body (100) and the movable frame (11) to pitch and rotate.

9. The motorcycle LED headlamp according to claim 8, characterized in that: The adjustment frame (19) comprises a first frame body (20) and a second frame body (21), and the connection mechanism comprises a spring (22), a nut (23), a front gasket (24) and a rear gasket (25); The first frame (20) is connected to the lower end of the lamp body (100); The second frame (21) is connected to the first frame (20), and an open slot (26) is provided on the second frame (21), and one end of the adjusting screw (17) passes through the open slot (26); The front gasket (24) and the rear gasket (25) are both sleeved on the adjusting screw (17), the front gasket (24) abuts against the front end surface of the second frame (21), and the rear gasket (25) abuts against the rear end surface of the second frame (21); The spring (22) is sleeved on the adjusting screw (17) and is located between the threaded seat (18) and the rear gasket (25), the rear end of the spring (22) abuts against the threaded seat (18), and the front end of the spring (22) abuts against the rear gasket (25); The nut (23) is connected to the adjusting screw (17) and abuts against the front end surface of the front gasket (24).

10. The motorcycle LED headlamp according to claim 9, characterized in that: The first frame (20) is connected to the lower end of the heat dissipation plate (1) in the lamp body (100).

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