Locomotive headlamp for rail transit

Abstract

The utility model discloses a locomotive headlamp for rail transit, which comprises a lamp main body, the lamp main body comprises a heat dissipation plate, a high beam lamp body arranged on the heat dissipation plate, and a low beam auxiliary lamp group arranged on the heat dissipation plate and positioned on the side of the high beam lamp body, and the low beam auxiliary lamp group comprises a plurality of low beam lamp bodies. The dipped headlight body and the dipped headlight body are separately arranged, so that the dipped headlight is convenient to use.

Description

Technical Field

[0001] The utility model relates to a locomotive headlamp for rail transportation, belonging to the technical field of locomotive vehicle lighting. Background Art

[0002] At present, locomotive headlights are a type of lamp used on locomotives in the rail transit field to illuminate the front of the locomotive. In the prior art, locomotive headlights usually combine high beams and low beams in a reflective bowl. Although this saves the overall volume, the low beam is set in the reflective bowl, resulting in a limited number of low beam layouts, which results in a poor lighting field when using low beams. Summary of the invention

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a locomotive headlamp for rail transit, in which the low beam lamp body and the low-beam lamp body are arranged separately, which is convenient for use and has a better heat dissipation effect.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a locomotive headlamp for rail transit, including a lamp body, the lamp body includes:

[0005] Heat sink;

[0006] A high beam lamp body mounted on the heat sink;

[0007] A low beam auxiliary lamp group is installed on the heat dissipation plate and is located on the side of the high beam lamp body. The low beam auxiliary lamp group includes a plurality of low beam lamp bodies.

[0008] Furthermore, in order to facilitate the installation of the locomotive headlight on the rail transit vehicle, the locomotive headlight for rail transit also includes a connecting bracket,

[0009] The lamp body is mounted on the connecting bracket.

[0010] Furthermore, in order to facilitate the adjustment of the illumination angle of the lamp body, a plurality of adjustment components are provided between the connecting bracket and the lamp body, and the illumination angle of the lamp body is adjusted by moving the adjustment components.

[0011] Further, the adjustment component comprises:

[0012] An adjusting screw, wherein the adjusting screw passes through the heat sink and is connected to the connecting bracket through threads;

[0013] A spring is arranged between the connecting bracket and the heat sink.

[0014] Furthermore, the heat sink is a square structure, the high beam lamp body is located in the middle of the heat sink, and the low beam auxiliary lamp group is provided with two groups, which are respectively located on both sides of the high beam lamp body.

[0015] Furthermore, the low beam lamp bodies of the low beam auxiliary lamp group are arranged in an array outwardly around the high beam lamp body.

[0016] Furthermore, a specific structure of a high beam lamp body is provided, and the high beam lamp body comprises:

[0017] Reflective bowl;

[0018] A high beam lens installed on the large end edge of the reflective bowl and covering the reflective bowl;

[0019] A high beam lamp body disposed in the middle of the small end of the reflective bowl;

[0020] A heat-conducting component, the heat-conducting component connecting the high-beam lamp body and the heat sink;

[0021] A high-beam driving power source connected to the high-beam lamp body.

[0022] Furthermore, a specific structure of a low beam auxiliary lamp group is provided, and the low beam auxiliary lamp group includes:

[0023] A fixing assembly is mounted on the heat sink, and the low beam lamp body is mounted on the fixing assembly.

[0024] The fixing assembly comprises:

[0025] A middle fixing plate, wherein the middle fixing plate is provided with a middle fixing hole, and the middle part of the low beam lamp body is installed in the corresponding middle fixing hole;

[0026] A front fixing plate is connected to the middle fixing plate, and a front fixing hole is provided on the front fixing plate. The front part of the low beam lamp body is installed in the corresponding front fixing hole.

[0027] Furthermore, the low beam lamp bodies on the same group of low beam auxiliary lamp groups are connected in series and parallel, and the low beam auxiliary lamp group also includes a low beam driving power supply connected to the low beam lamp bodies.

[0028] Furthermore, the rail transit locomotive headlamp further comprises a fan bracket, on which a plurality of cooling fans suitable for air cooling the cooling plate are mounted.

[0029] After adopting the above technical solution, the utility model has the following beneficial effects:

[0030] 1. The utility model arranges a low-beam lamp body on the side of the high-beam lamp body, and the high-beam lamp body and the low-beam lamp body are not arranged in the same reflective bowl, thereby increasing the lighting range of the low-beam lamp body when in use, and the high-beam lamp body and the low-beam lamp body are separately radiated, thereby improving the heat dissipation effect of the lamp body when in use;

[0031] 2. By setting an adjustment component between the connecting bracket and the lamp body, the position of the lamp body on the connecting bracket can be adjusted through the adjustment component, thereby adjusting the illumination angle of the locomotive headlight. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The utility model is a three-dimensional headlight for a locomotive used in rail transit Figure 1 ;

[0033] Figure 2 The utility model is a three-dimensional headlight for a locomotive used in rail transit Figure 2 ;

[0034] Figure 3 It is a partial stereoscopic diagram of the rail transit locomotive headlamp of the utility model. DETAILED DESCRIPTION

[0035] 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.

[0036] like Figures 1 to 3 As shown, a locomotive headlamp for rail transit includes a lamp body, and the lamp body includes:

[0037] Heat sink 1;

[0038] A high beam lamp body 2 mounted on the heat sink 1;

[0039] The low-beam auxiliary lamp group 3 is mounted on the heat dissipation plate 1 and is located at the side of the high-beam lamp body 2 . The low-beam auxiliary lamp group includes a plurality of low-beam lamp bodies 31 .

[0040] like Figure 1 As shown, in order for the locomotive headlight to be well installed on the rail transit vehicle, the locomotive headlight for rail transit can also include a connecting bracket 4, and the lamp body is installed on the connecting bracket 4; specifically, the connecting bracket 4 is provided with a through hole, through which the high beam lamp body 2 and the low beam auxiliary lamp group 3 can be exposed.

[0041] Specifically, Figures 1 to 3 As shown, a plurality of adjustment components 5 are provided between the connecting bracket 4 and the lamp body, and the irradiation angle of the lamp body is adjusted by moving the adjustment components 5 .

[0042] Specifically, the adjustment component 5 may have the following structure, including:

[0043] An adjusting screw 52, ​​which passes through the heat sink 1 and is connected to the connecting bracket 4 through threads;

[0044] A spring 53 is arranged between the connecting bracket 4 and the heat sink 1 .

[0045] The adjustment assembly 5 further includes a limiting pin 54 , which passes through the heat sink 1 and is connected to the connecting bracket 4 .

[0046] In this embodiment, an adjustment plate 11 may be provided on the heat dissipation plate 1 , and the limiting pin 54 and the adjustment screw 52 are connected and matched with the adjustment plate 11 .

[0047] Specifically, Figure 1 As shown, the heat sink 1 is specifically a square structure, the high beam lamp body 2 is located in the middle of the heat sink 1 , and two low beam auxiliary lamp groups 3 are provided, which are respectively located on both sides of the high beam lamp body 2 .

[0048] Specifically, Figure 1 As shown, the low beam lamp bodies 31 of the low beam auxiliary lamp group 3 are arranged in an array outward around the high beam lamp body 2; the array-like structure can be specifically arranged as follows: the low beam lamp bodies 31 of each group of low beam auxiliary lamp groups 3 are arranged in multiple rows outward, and in the present embodiment, there are specifically three rows, but it is not limited to this; each row of low beam lamp bodies 31 is arranged in an arrow shape, and the arrow faces outward. In the present embodiment, each row of low beam lamp bodies 31 includes six low beam lamp bodies 31, three on the upper and three on the lower, but it is not limited to this.

[0049] The low beam lamp body 3 specifically includes an LED module.

[0050] Specifically, Figure 1 , 3 As shown, the high beam lamp body 2 may have the following structure, including:

[0051] Reflector bowl 21;

[0052] A high beam lens 22 mounted on the large end edge of the reflective bowl 21 and covering the reflective bowl 21;

[0053] A high-beam LED lamp module disposed in the middle of the small end of the reflective bowl 21;

[0054] A heat conducting component 23, the heat conducting component 23 connects the high beam LED lamp module and the heat dissipation plate 1;

[0055] A high beam driving power supply connected to the high beam LED lamp module.

[0056] In this embodiment, the high-beam LED lamp module is located in the reflective bowl 21, and the high-beam LED lamp module includes four LED modules. The LED modules are evenly distributed along the circumference of the reflective bowl 21. The specific structure of the heat-conducting component can refer to the LED lamp heat dissipation structure disclosed in the Chinese patent with announcement number CN207438526U and the LED lamp heat dissipation structure in the LED lamp using the same, which will not be described in detail in this embodiment.

[0057] In this embodiment, the high beam driving power source is mounted on the heat sink 1 and is located behind the reflective bowl 21 .

[0058] Specifically, Figures 1 to 3 As shown, the low beam auxiliary lamp group 3 may specifically have the following structure, including:

[0059] A fixing assembly is mounted on the heat sink 1 , and a plurality of low beam lamp bodies 31 are mounted on the fixing assembly.

[0060] Specifically, the fixing component may have the following structure, including:

[0061] A middle fixing plate 32, wherein a middle fixing hole is provided on the middle fixing plate 32, and the middle part of the low beam lamp body 31 is installed in the corresponding middle fixing hole;

[0062] The front fixing plate 33 is connected to the middle fixing plate 32 , and the front fixing plate 33 is provided with a front fixing hole, and the front part of the low beam lamp body 31 is installed in the corresponding front fixing hole.

[0063] In this embodiment, the low-beam lamp bodies 31 on the same low-beam auxiliary lamp group 3 are connected in series and parallel and then connected to the corresponding low-beam driving power supply.

[0064] Specifically, Figure 2 As shown, the rail transit locomotive headlamp further includes a fan bracket 6 , which can be specifically connected to the heat sink 1 , and a plurality of cooling fans 61 suitable for air cooling the heat sink 1 are mounted on the fan bracket 6 .

[0065] Specifically, the control mode of the locomotive headlight for rail transit is divided into two dimming modes. In the strong light mode, the driving power supply outputs full power, the power is ≤300W, and in the weak light mode, the driving power supply outputs reduced power, and the luminous intensity on the reference axis of the lamp in the strong light mode is ≥2000×10 3 cd, the luminous intensity on the reference axis of the low-light mode lamp is 30%-65% of that of the high-light mode.

[0066] 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 locomotive headlamp for rail transit, characterized in that: The invention comprises a lamp body, wherein the lamp body comprises: Heat sink (1); A high-beam lamp body (2) mounted on the heat sink (1); A low-beam auxiliary lamp group (3) is mounted on the heat dissipation plate (1) and is located on the side of the high-beam lamp body (2), wherein the low-beam auxiliary lamp group comprises a plurality of low-beam lamp bodies (31).

2. The rail transit locomotive headlamp according to claim 1, characterized in that: It also includes a connecting bracket (4), The lamp body is mounted on a connecting bracket (4); A plurality of adjustment components (5) are provided between the connecting bracket (4) and the lamp body, and the irradiation angle of the lamp body is adjusted by actuating the adjustment components (5).

3. The rail transit locomotive headlamp according to claim 2, characterized in that: The regulating component (5) comprises: an adjusting screw (52), wherein the adjusting screw (52) passes through the heat sink (1) and is connected to the connecting bracket (4) via threads; A spring (53) is arranged between the connecting bracket (4) and the heat sink (1).

4. The rail transit locomotive headlamp according to claim 1, characterized in that: The heat dissipation plate (1) is of a square structure; the high-beam lamp body (2) is located in the middle of the heat dissipation plate (1); and two low-beam auxiliary lamp groups (3) are provided, respectively located on two sides of the high-beam lamp body (2).

5. The rail transit locomotive headlamp according to claim 4, characterized in that: The low-beam lamp bodies (31) of the low-beam auxiliary lamp group (3) are arranged outwardly in an array shape around the high-beam lamp body (2).

6. The rail transit locomotive headlamp according to claim 1, characterized in that: The high beam lamp body (2) comprises: Reflective bowl (21); A high-beam lens (22) mounted on the large end edge of the reflective bowl (21) and covering the reflective bowl (21); A high-beam LED lamp module arranged in the middle of the small end of the reflective bowl (21); A heat conducting component (23), wherein the heat conducting component (23) is connected to the high-beam LED lamp module and the heat dissipation plate (1); A high-beam driving power supply connected to the high-beam LED lamp module.

7. The rail transit locomotive headlamp according to claim 1, characterized in that: The low beam auxiliary lamp group (3) comprises: A fixing component is mounted on the heat dissipation plate (1), and the low beam lamp body (31) is mounted on the fixing component.

8. The rail transit locomotive headlamp according to claim 7, characterized in that: The fixing assembly comprises: A middle fixing plate (32), wherein the middle fixing plate (32) is provided with a middle fixing hole, and the middle part of the low beam lamp body (31) is inserted into the corresponding middle fixing hole; A front fixing plate (33) is connected to the middle fixing plate (32), wherein the front fixing plate (33) is provided with a front fixing hole, and the front of the low beam lamp body (31) is inserted into the corresponding front fixing hole.

9. The rail transit locomotive headlamp according to claim 1, characterized in that: The low-beam lamp bodies (31) on the same group of low-beam auxiliary lamp groups (3) are connected in series and in parallel, and the low-beam auxiliary lamp group further comprises a low-beam driving power supply connected to the low-beam lamp body (31).

10. The rail transit locomotive headlamp according to claim 1, characterized in that: It also comprises a fan bracket (6), on which a plurality of cooling fans (61) suitable for air cooling the cooling plate (1) are mounted.

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