Locomotive LED headlamp with good waterproofness

Abstract

The utility model relates to the technical field of headlamps, and discloses a locomotive LED headlamp with good waterproofness, which comprises a lamp holder and a lampshade, the lamp holder comprises a lamp shell, a lamp body is mounted in an opening of the lamp shell, fins are mounted on the back of the lamp body, the lampshade comprises a sealing cover, the sealing cover is provided with two openings, light-transmitting glass is mounted in one opening through a bolt, and the other opening is provided with a light-emitting diode (LED) light source. An opening of a reflecting cover of the lamp body is fixed in the other opening of the sealing cover through a screw, lamp beads of the lamp body are located in the closed cavity, an air inlet groove and an air outlet groove are formed in the lamp shell, a fan is installed in the air outlet groove, and a grid plate is installed at a port of the air outlet groove. In the working process of the ventilation fan, air in the lamp shell is pushed to be exhausted, so that external air is promoted to enter the lamp shell through the air inlet grooves, the flowability of the air in the lamp shell is improved, the flowing air passes through the surfaces of the heat dissipation fins at the tail end of the lamp body, heat generated by the lamp body is taken away, and heat dissipation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of headlamp equipment, in particular to a motorcycle LED headlamp with good waterproof performance. Background Art

[0002] In order to increase the service life of LED headlights, a baffle will be installed on the top of the LED headlights to reduce the entry of rainwater into the interior of the LED headlights, thereby increasing the service life of the LED headlights.

[0003] The application number is CN202321188241.4, which discloses a motorcycle LED headlamp with good waterproof performance, including a light box and an LED headlamp fixedly installed inside the light box, the outer hinge of the light box is a shielding plate, and the shielding plate is provided with a plurality of air holes inside, the top of the light box is detachably provided with a mounting box, the inside of the mounting box is provided with a cleaning mechanism extending outside, and the inside of the light box is provided with a drying mechanism; the cleaning mechanism includes a servo motor fixedly installed inside the mounting box, a rotating shaft rotatably installed inside the mounting box and extending outside, a transmission gear fixedly installed on the output shaft of the servo motor, a driven gear fixedly installed on one end of the rotating shaft, a mounting plate arranged outside the mounting box, and a cleaning brush. The motorcycle LED headlamp with good waterproof performance reduces the residual stains and fogging on the shielding plate through the use of the cleaning mechanism and the drying mechanism, thereby improving the light transmittance of the LED headlamp, achieving the advantages of strong practicality and easy cleaning.

[0004] The above document discloses a motorcycle LED headlamp with good waterproofness, but has the following defects: when the LED headlamp is illuminated, the components inside the bulb will emit a large amount of heat. When this heat accumulates on the surface of the bulb and cannot be dissipated, the high heat flow can easily burn out the bulb filament and make it unable to illuminate, thus shortening the service life of the LED headlamp.

[0005] It can be seen from this that the existing motorcycle LED headlights do not have the function of dissipating heat and cooling the bulbs in operation, and it is necessary to improve the existing deficiencies and provide a function that can dissipate heat and cool the bulbs in operation. Utility Model Content

[0006] The utility model aims to provide a motorcycle LED headlamp with good waterproofness to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0008] The utility model discloses a motorcycle LED headlamp with good waterproof performance, comprising a lamp holder and a lampshade, wherein the lamp holder comprises a lamp shell, a lamp body is installed in an opening of the lamp shell, a fin is installed on the back of the lamp body, the lampshade comprises a sealing cover, the sealing cover has two openings, a light-transmitting glass is installed in one opening through bolts, the reflector opening of the lamp body is fixed in the other opening of the sealing cover through screws, the lamp bead of the lamp body is located in a closed cavity, an air inlet groove and an air outlet groove are provided on the lamp shell, a fan is installed in the air outlet groove, and a grid plate is installed at the port of the air outlet groove;

[0009] The motorcycle LED headlamp is composed of a plurality of structural combinations. The reflector opening of the lamp body is fixed in another opening of the sealing cover by screws, and the port of the reflector is sealed by light-transmitting glass to form a closed cavity.

[0010] Prevent external water vapor from entering the reflector of the lamp body, solve the problem of poor sealing of existing motorcycle LED headlights, and the water vapor that enters forms water mist on the inner surface of the light-transmitting glass, thereby affecting the light transmittance;

[0011] During operation, the fan pushes the air inside the lamp housing to be discharged, thereby promoting the external air to enter the interior of the lamp housing through the air inlet slot, thereby improving the fluidity of the air inside the lamp housing;

[0012] The flowing air passes through the surface of the heat dissipation fins at the end of the lamp body, taking away the heat generated by the lamp body to achieve heat dissipation.

[0013] Furthermore, a plurality of mounting holes are provided on the opening of the lamp housing, and the bolts passing through the sealing cover cooperate with the nuts installed in the slots inside the mounting holes for installation;

[0014] The lamp housing and the sealing cover are connected by bolts, which is convenient for disassembly and replacement.

[0015] Furthermore, two relatively distributed fixing blocks are provided on the outer side of the lamp housing, and a movable frame is sleeved on the outer sides of the two fixing blocks, and the ends of the movable frame are mounted on the fixing blocks by bolts;

[0016] The installation angle of the movable frame can be adjusted by bolts, so as to facilitate changing the installation angle of the entire lamp body.

[0017] Furthermore, a limiting frame is provided at one end of the fan, the limiting frame is overlapped on the inner port of the air outlet slot, and the grid plate and the limiting frame are connected by bolts.

[0018] Furthermore, a power supply module is installed inside the lamp housing, and the flowing air facilitates heat dissipation of the power supply module.

[0019] The utility model has the following beneficial effects:

[0020] (1) The utility model motorcycle LED headlamp is composed of a plurality of structural combinations. The reflector opening of the lamp body is fixed in another opening of the sealing cover by screws. The port of the reflector is sealed by light-transmitting glass to form a closed cavity, thereby preventing external water vapor from entering the interior of the reflector of the lamp body.

[0021] (2) During operation, the ventilation fan of the utility model pushes the air inside the lamp housing to be discharged, thereby promoting the external air to enter the interior of the lamp housing through the air inlet slot, thereby improving the fluidity of the air inside the lamp housing. The flowing air passes through the surface of the heat dissipation fins at the end of the lamp body, and takes away the heat generated by the lamp body, thereby achieving heat dissipation. This solves the problem that when the LED headlamp is illuminated, the components inside the bulb will emit a large amount of heat. When this heat accumulates on the surface of the bulb and cannot be dissipated, the high heat flow can easily burn the filament of the bulb and make it unable to illuminate.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the lampshade disassembly structure of the utility model;

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] In the figure: 1. lamp holder; 101. lamp housing; 102. fixing block; 103. bolt; 104. movable frame; 105. heat dissipation slot; 106. lamp body; 107. air outlet slot; 108. power supply module; 109. limit frame; 110. fan; 111. air outlet; 112. slot; 113. nut; 2. lampshade; 201. sealing cover; 202. light-transmitting glass. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1 - Figure 4 As shown, the utility model is a motorcycle LED headlamp with good waterproof performance, comprising a lamp holder 1 and a lamp shade 2, the lamp holder 1 comprising a lamp housing 101, a lamp body 106 is installed in the opening of the lamp housing 101, a fin is installed on the back of the lamp body 106, the lamp shade 2 comprises a sealing cover 201, the sealing cover 201 has two openings, a light-transmitting glass 202 is installed in one opening through a bolt 103, the reflector opening of the lamp body 106 is fixed in the other opening of the sealing cover 201 through a screw, the lamp beads of the lamp body 106 are located in a closed cavity, the lamp housing 101 is provided with an air inlet groove 105 and an air outlet groove 107, a fan 110 is installed in the air outlet groove 107, and a grid plate 111 is installed at the port of the air outlet groove 107;

[0032] The motorcycle LED headlamp is composed of a plurality of structural combinations, the reflector opening of the lamp body 106 is fixed in another opening of the sealing cover 201 by screws, and the port of the reflector is sealed by the light-transmitting glass 202 to form a closed cavity;

[0033] Prevent external water vapor from entering the interior of the reflector of the lamp body 106, solve the problem of poor sealing of existing motorcycle LED headlights, and the water vapor that enters forms water mist on the inner surface of the light-transmitting glass 202, thereby affecting the light transmittance;

[0034] During operation, the fan 110 pushes the air inside the lamp housing 101 to be discharged, thereby promoting the external air to enter the interior of the lamp housing 101 through the air inlet slot 105, thereby improving the fluidity of the air inside the lamp housing 101;

[0035] The flowing air passes through the surface of the heat dissipation fins at the end of the lamp body 106, taking away the heat generated by the lamp body to achieve heat dissipation.

[0036] The lamp housing 101 has a plurality of mounting holes formed on its opening, and the bolts 103 passing through the sealing cover 201 cooperate with the nuts 113 installed in the slots 112 inside the mounting holes for installation;

[0037] The lamp housing 101 and the sealing cover 201 are connected by bolts 103, so as to facilitate disassembly and replacement.

[0038] Two relatively distributed fixing blocks 102 are provided on the outer side of the lamp housing 101, and a movable frame 104 is sleeved on the outer side of the two fixing blocks 102, and the ends of the movable frame 104 are mounted on the fixing blocks 102 by bolts 103;

[0039] The installation angle of the movable frame 104 is adjusted by the bolt 103, so as to change the installation angle of the entire lamp body.

[0040] A limiting frame 109 is provided at one end of the fan 110 . The limiting frame 109 is overlapped on the inner port of the air outlet slot 107 . The grid plate 111 and the limiting frame 109 are connected by bolts.

[0041] A power supply module is installed inside the lamp housing 101, and the flowing air facilitates heat dissipation of the power supply module.

[0042] During the heat dissipation process, the fan 110 pushes the air inside the lamp housing 101 to be discharged during operation, thereby promoting the external air to enter the interior of the lamp housing 101 through the air inlet slot 105, thereby improving the fluidity of the air inside the lamp housing 101;

[0043] The flowing air passes through the surface of the heat dissipation fins at the end of the lamp body 106, taking away the heat generated by the lamp body to achieve heat dissipation;

[0044] The invention solves the problem that when the LED headlamp is lighting, the components inside the bulb will emit a large amount of heat. When the heat accumulates on the surface of the bulb and cannot be dissipated, the high heat flow can easily burn out the filament of the bulb and make it unable to light.

[0045] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A motorcycle LED headlamp with good waterproofness, comprising a lamp holder (1) and a lamp cover (2), characterized in that: The lamp holder (1) comprises a lamp housing (101), a lamp body (106) is installed in an opening of the lamp housing (101), and fins are installed on the back of the lamp body (106); The lampshade (2) comprises a sealing cover (201), the sealing cover (201) having two openings, a light-transmitting glass (202) being installed in one opening via a bolt (103), and the reflector opening of the lamp body (106) being fixed in the other opening of the sealing cover (201) via a screw; The lamp beads of the lamp body (106) are located in a sealed cavity; The lamp housing (101) is provided with an air inlet groove (105) and an air outlet groove (107), a fan (110) is installed in the air outlet groove (107), and a grid plate (111) is installed at the port of the air outlet groove (107).

2. The waterproof motorcycle LED headlamp according to claim 1, characterized in that: The opening of the lamp housing (101) is provided with a plurality of mounting holes, and the bolts (103) passing through the sealing cover (201) are mounted in cooperation with the nuts (113) installed in the clamping grooves (112) inside the mounting holes.

3. The waterproof motorcycle LED headlamp according to claim 1, characterized in that: Two relatively distributed fixing blocks (102) are provided on the outer side of the lamp housing (101); A movable frame (104) is sleeved on the outer sides of the two fixed blocks (102), and the ends of the movable frame (104) are mounted on the fixed blocks (102) by means of bolts (103).

4. The waterproof motorcycle LED headlamp according to claim 1, characterized in that: A limiting frame (109) is provided at one end of the fan (110), and the limiting frame (109) is overlapped on the inner port of the air outlet groove (107); The grid plate (111) and the limiting frame (109) are connected via bolts.

5. The waterproof motorcycle LED headlamp according to claim 4, characterized in that: A power supply module is installed inside the lamp housing (101).

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