AU2021104961A4

AU2021104961A4 - Headlamp

Info

Publication number: AU2021104961A4
Application number: AU2021104961A
Authority: AU
Inventors: Beiwen Gong
Original assignee: Hunan Fengdu Lighting Technology Co Ltd
Current assignee: Hunan Fengdu Lighting Technology Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-09-30
Anticipated expiration: 2029-08-05

Abstract

HEADLAMP ABSTRACT There is disclosed a headlamp (100), relating to the technical field of illumination lamps, including a lamp body (15), a reflector module (7), a night vision illumination module (14), and a light source module (9). The lamp body (15) is a shell with a rectangular cross section, and one surface of the lamp body is a light-transmitting surface. The light source module (9) and the reflector module (7) are fixedly disposed in an inner cavity of the lamp body (15). The night vision illumination module (14) includes a lens holder (13) fixed to the illumination module (14) and at least one convex lens (8) fixed to the lens holder (13), and a fixing hole is provided in a bottom of the lens holder (13). The reflector module (7) includes a plurality of reflectors distributed in a rectangular array, and the adjacent reflectors are fixedly connected to each other. Part of light generated by the light source module (9) is reflected by the reflector and can be emitted through the light-transmitting surface, being refracted into a diffuse light beam, and the rest of the light generated by the light source module (9) is condensed into a strip spot by the convex lens (8) and can be emitted through the light-transmitting surface. In a driving environment with a low visibility, the device can provide a driver with a clearer driving environment and ensure driving safety. - 1/3 fA7 66 J-AJ w& I-A 050 010 F-A 00 - 4 U, FIG. 1

Description

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FIG. 1

HEADLAMP TECHNICAL FIELD

[01] The present utility model relates to the technical field of illumination lamps, and in particular relates to a headlamp.

BACKGROUNDART

[02] Lamps added to a car are widely used. The lamps can bring convenient and bright illumination for people and users for off-road, special operations, camping, and the like outdoors, realizing simple and direct illumination. However, the weather outdoors is unpredictable. For example, people who like off-road or outdoor camping will often encounter weather such as fog, rain, snow, or the like, and such weather is generally accompanied with a relatively low light or reduced visibility, which makes it difficult for drivers to know road conditions, further causing traffic accidents. Therefore, a headlamp is provided to provide the users with clear road illumination in bad, undesirable, and low-light weather, and assist the drivers in obtaining road information early to ensure driving safety.

SUMMARY

[03] In order to solve the above technical problems, the present utility model provides a headlamp, which in a driving environment with a low visibility can provide a driver with a clearer driving environment and ensure driving safety.

[04] In order to achieve the forgoing objective, the present utility model provides the following technical solution:

[05] The present utility model discloses a headlamp, including a lamp body, a reflector module, a night vision illumination module, and a light source module. The lamp body is a shell with a rectangular cross section, and one surface of the lamp body is a light-transmitting surface. The light source module and the reflector module are fixedly disposed in an inner cavity of the lamp body. The night vision illumination module includes a lens holder fixed to the illumination module and at least one convex lens fixed to the lens holder, and a fixing hole is provided in a bottom of the lens holder. The reflector module includes a plurality of reflectors distributed in a rectangular array, and the adjacent reflectors are fixedly connected to each other. Part of light generated by the light source module is reflected by the reflector and can be emitted through the light-transmitting surface, being refracted into a diffuse light beam, and the rest of the light generated by the light source module is condensed into a strip spot by the convex lens and can be emitted through the light-transmitting surface.

[06] Preferably, the light source module includes a substrate and LED lamp beads protruding from an upper surface of the substrate, and the upper surface of the substrate faces the light-transmitting surface.

[07] Preferably, each of the reflectors sleeves an outside of one of the LED lamp beads, and one of the LED lamp beads is accommodated in the fixing hole.

[08] Preferably, the lamp body includes a main body, a light-transmitting plate, a pressing bar, and a side cover. The main body is a rectangular shell. Both side end faces and a front end surface of the main body are open. The side cover is configured to close the side end surface and is fixedly connected to the main body. The pressing bar is configured to be fixedly connected to the open end of the front end surface of the main body and pressing the light-transmitting plate against the front end surface opening to close the front end surface opening.

[09] Preferably, the convex lens is a double convex lens.

[10] Preferably, the headlamp further includes a bracket. The bracket is movably connected to the lamp body for adjusting an angle of the lamp body.

[11] Preferably, the reflector includes an orange peel reflector and a glossy reflector.

[12] Preferably, the headlamp further includes a breather valve. The breather valve is disposed on a surface of the lamp body for dissipating heat inside the lamp body.

[13] Preferably, the lamp body is a fin-type heat dissipation lamp body.

[14] Preferably, a waterproof rubber strip is arranged between the light-transmitting plate and the main body for sealing the inner cavity.

[15] Preferably, the LED lamp bead accommodated in the fixing hole is a night vision illumination LED lamp bead, and the night vision illumination LED lamp bead is configured to increase an illumination intensity.

[16] Compared with the prior art, the present utility model has achieved the following technical effects:

[17] The present utility model provides a headlamp. The light source module emits light. Part of the light is reflected by the reflector and then emitted through the light-transmitting surface, being refracted into the diffuse light beam. This part of the light has a short range and can provide a user with nearby road information. The rest of the light is condensed by the convex lens and then emitted through the light-transmitting surface, refracting a focused beam, and forming strip spots. This part of the light has a high intensity and a long range, which can provide the user with distant road information. The headlamp can take into account distant and nearby illumination, can provide the driver with timely and comprehensive road condition information even in case of poor weather visibility, thereby ensuring driving safety.

BRIEFT DESCRIPTION OF THE DRAWINGS

[18] In order to illustrate the technical solutions in the embodiments of the present utility model or the prior art more clearly, the drawings that need to be used in the descriptions of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following descriptions are merely some embodiments of the present utility model. For a person of ordinary skill in the art, other drawings may be obtained according to these drawings without creative work.

[19] FIG. 1 is an exploded view of a structure of a headlight provided in Embodiment 1 of the present utility model.

[20] FIG. 2 is a front view of the structure of the headlight provided in Embodiment 1 of the present utility model.

[21] FIG. 3 is a front view of a structure of a headlight provided in Embodiment 2 of the present utility model.

[22] FIG. 4 is a front view of a structure of a headlight provided in Embodiment 3 of the present utility model.

[23] FIG. 5 is a control circuit diagram of the headlight provided in Embodiment 1 of the present utility model.

[24] Reference signs in drawings: 1. bracket; 2. side cover; 3. sealing ring; 4. breather valve; 5. light-transmitting plate; 6. waterproof rubber strip; 7. reflector module; 71. glossy reflector; 72. orange peel reflector; 8. convex lens; 9. light source module; 91. substrate; 92. LED lamp bead; 10. main body; 11, pressing bar; 12. protective plug; 13. lens holder; 14. night vision illumination module; 15. lamp body; 16. first module; 17. second module; 18. third module; and 100. headlamp.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[25] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the embodiments described are merely a part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[26] The present utility model aims to provide a headlamp to solve the problems in the prior art, and can provide a driver with timely and comprehensive road condition information to ensure driving safety in case of poor weather visibility.

[27] In order to make the objectives, features and advantages of the present utility model clearer and more understandable, the present utility model will be described in further detail below in conjunction with the drawings and specific implementations.

[28] Embodiment 1

[29] As shown in FIG. 1, the present utility model discloses a headlamp, including a lamp body 15, a reflector module 7, a night vision illumination module 14, and a light source module 9. The lamp body 15 is a shell with a rectangular cross section, and one surface of the lamp body 15 is a light-transmitting surface. The light source module 9 and the reflector module 7 are fixedly disposed in an inner cavity of the lamp body 15. The night vision illumination module 14 includes a lens holder 131 fixed to the illumination module and at least one convex lens 8 fixed to the lens holder 131, and a fixing hole is provided in a bottom of the lens holder 131. The reflector module 7 includes a plurality of reflectors distributed in a rectangular array, and the adjacent reflectors are fixedly connected to each other. Preferably, the lamp body 15 has a length of 1328.6 mm, 1077.6 mm, 822.6 mm, 567.6 mm or 362.6 mm. As shown in FIG. 2, there are 2 reflector modules 7, which are mirror-symmetrically distributed on both ends of the lamp body 15. There is 1 night vision illumination module 14, which is distributed at a middle position of the lamp body 15. Part of light generated by the light source module 9 is reflected by the reflector and can be emitted through the light-transmitting surface, and the rest of the light generated by the light source module 9 is condensed into a strip spot by the convex lens 8 and can be emitted through the light-transmitting surface.

[30] The light source module 9 emits light. Part of the light is reflected by the reflector and emitted through the light-transmitting surface, being refracted into a diffuse beam. This part of the light has a short range and can provide a user with nearby road information. The rest of the light is converged into the strip spot by the convex lens 8. The strip spot has a long range and can provide the user with distant road information. The headlamp 100 can take into account nearby and distant illumination, and can provide a driver with timely and comprehensive road condition information to ensure driving safety even in case of poor weather visibility.

[31] Further, the light source module 9 includes a substrate 91 and LED lamp beads 92 protruding from an upper surface of the substrate 91, and the upper surface of the substrate 91 faces the light-transmitting surface. The LED lamp bead 92 can be turned on under the control of an on-board display.

[32] Further, each reflector sleeves an outside of one LED lamp bead 92, and one LED lamp bead 92 is accommodated in the fixing hole.

[33] Further, the lamp body 15 includes a main body 10, a light-transmitting plate 5, a pressing bar 11, and a side cover 2. The main body 10 is a rectangular shell. Both side end surfaces and a front end face of the main body 10 are open. The side cover 2 is configured to close the side end surfaces and is fixedly connected to the main body 10. The pressing bar 11 is configured to be fixedly connected to the open end of the front end surface of the main body 10 and press the light-transmitting plate 5 to the opening of the front end surface to close the opening of the front end surface. Preferably, a sealing ring 3 is disposed between the side cover 2 and the main body 10 for sealing and waterproofing of the inner cavity.

[34] Further, the convex lens 8 is a double convex lens 8, which realizes better convergence of the light source and improves a brightness and a range of a light source.

[35] Further, the headlamp 100 further includes a bracket 1. The bracket 1 is movably connected to the lamp body 15 for adjusting an angle of the lamp body 15 to adapt to different use environments.

[36] Further, the reflector includes an orange peel reflector 72 and a glossy reflector 71. With a flooding effect of the orange peel reflector 72 and with a condensing effect of the glossy reflector 71, both an illumination range and an illumination intensity of the light source are ensured.

[37] Further, the headlamp 100 of further includes a breather valve 4. The breather valve 4 is arranged on a surface of the lamp body 15 for dissipating heat inside the lamp body 15.

[38] Further, the lamp body 15 is a fin-type heat dissipation lamp body, which improves the heat dissipation efficiency of the lamp body 15.

[39] Further, a waterproof rubber strip 6 is disposed between the light-transmitting plate 5 and the main body 10 for sealing and waterproofing of the inner cavity.

[40] Further, the LED lamp bead accommodated in the fixing hole is a night vision illumination LED lamp bead 92, and the night vision illumination LED lamp bead is configured to increase an illumination intensity and realize night vision illumination.

[41] Further, a protective plug 11 is arranged on the lamp body 15, and a power line of the LED lamp bead 92 is led out through the protective plug 11 after being integrated and arranged.

[42] In a specific use process, as shown in FIG. 5, when the quantity of reflector modules 7 in the headlamp 100 is 2 and the quantity of night vision illumination modules is 1, as shown in FIG. 3, a first module 16 and a third module 18 are respectively driving circuits for the LED lamp beads 92 corresponding to each group of reflector modules 7, and a second module 17 is a driving circuit for the LED lamp bead 92 corresponding to the night vision illumination module. A circuit with a numeral of "123" at left is in driving connection with the first module 16, the second module 17, and the third module 18, and the first module 16, the second module 17, and the third module 18 can all be independently driven by the circuit with a numeral of "123" at left. The user can turn on the LED lamp beads 92 corresponding to the first module 16, the second module 17, and the third module 18 individually or in a combination according to actual illumination needs to make the headlamp 100 emit different illumination beams.

[43] Embodiment 2

[44] The differences from Embodiment 1 are:

[45] The lamp body 15 has a length of 1078 mm. As shown in FIG. 3, there are 2 reflector modules 7, which are mirror-symmetrically distributed at a middle position of the lamp body 15. There are 2 night vision illumination modules 14, which are mirror-symmetrically distributed at two ends of the lamp body 15.

[46] Embodiment 3

[47] The differences from Embodiment 1 and Embodiment 2 are:

[48] The lamp body 15 has a length of 1333 mm. As shown in FIG. 4, there are 3 night vision illumination modules 14, of which 2 night vision illumination modules 14 are mirror-symmetrically distributed at two ends of the lamp body 15, and the rest one visual illumination module 14 is distributed at a middle of the lamp body. There are 2 reflector modules 7, which are mirror-symmetrically among 3 groups of night vision illumination modules 14 with the night vision illumination module 14 distributed at the middle position as a baseline.

[49] Specific examples are used herein to illustrate the principles and implementations of the present utility model. The descriptions of the forgoing embodiments are only for assisting understanding the method and core idea of the present utility. In the mean time, for a person of ordinary skill in the art, according to the idea of the present utility model, there will be some modifications to the specific implementations and scope of application. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

WHAT IS CLAIMED IS:

1. A headlamp, comprising a lamp body, a reflector module, a night vision illumination module, and a light source module, wherein the lamp body is a shell with a rectangular cross section, and one surface of the lamp body is a light-transmitting surface; the light source module and the reflector module are fixedly disposed in an inner cavity of the lamp body; the night vision illumination module comprises a lens holder fixed to the illumination module and at least one convex lens fixed to the lens holder, and a fixing hole is provided in a bottom of the lens holder; the reflector module comprises a plurality of reflectors distributed in a rectangular array, and the adjacent reflectors are fixedly connected to each other; and part of light generated by the light source module is reflected by the reflector and can be emitted through the light-transmitting surface, being refracted into a diffuse light beam, and the rest of the light generated by the light source module is condensed into a strip spot by the convex lens and can be emitted through the light-transmitting surface.

2. The headlamp according to claim 1, wherein the light source module comprises a substrate and LED lamp beads protruding from an upper surface of the substrate, and the upper surface of the substrate faces the light-transmitting surface; wherein each of the reflectors sleeves an outside of one of the LED lamp beads, and one of the LED lamp beads is accommodated in the fixing hole; wherein the LED lamp bead accommodated in the fixing hole is a night vision illumination LED lamp bead, and the night vision illumination LED lamp bead is configured to increase an illumination intensity.

3. The headlamp according to claim 1, wherein the lamp body comprises a main body, a light-transmitting plate, a pressing bar, and a side cover; and the main body is a rectangular shell, both side end surfaces and a front end face of the main body are open, the side cover is configured to close the side end surfaces and is fixedly connected to the main body, the pressing bar is configured to be fixedly connected to the open end of the front end surface of the main body and press the light-transmitting plate to the opening of the front end surface to close the opening of the front end surface; wherein a waterproof ring is arranged between the light-transmitting plate and the main body for sealing the inner cavity.

4. The headlamp according to claim 1, wherein the convex lens is a double convex lens; further comprising a bracket, wherein the bracket is movably connected to the lamp body for adjusting an angle of the lamp body.

5. The headlamp according to claim 1, wherein the reflector comprises an orange peel reflector and a glossy reflector; further comprising a breather valve, wherein the breather valve is disposed on a surface of the lamp body for dissipating heat inside the lamp body; wherein the lamp body is a fin-type heat dissipation lamp body.