WO2022233184A1 - Vehicle lighting lamp capable of implementing switching - Google Patents

Abstract

A vehicle lighting lamp capable of implementing switching, comprising: a main housing (2) consisting of a front frame (21) and a rear housing (22) and having a front opening, wherein the front frame (21) and the rear housing (22) are assembled together by means of first screw fasteners (25); light emitting elements (3) and light gathering assemblies (4) that are located in the main housing (2); and a light diffusion plate (5) made of a transparent material. The front opening of the main housing (2) serves as a light exit port (23); and the light diffusion plate (5) is configured to be able to be mounted on the light exit port (23) and switchable between an opening position and a closing position, such that when the light diffusion plate (5) is at the opening position, light emitted from the light emitting elements (3) can only pass through the light gathering assemblies (4), and when the light diffusion plate (5) is at the closing portion, the light emitted from the light emitting elements (3) passes through both the light gathering assemblies (4) and the light diffusion plate (5).

Description

Switchable automotive lighting fixtures

CROSS-REFERENCE TO RELATED APPLICATIONS

This international application claims priority to Chinese utility model patent application No. 202120946156.4 filed on May 6, 2021, the entire contents of which are incorporated herein by reference.

technical field

The present disclosure relates to the field of lighting fixtures, in particular to a vehicle lighting fixture.

Background technique

When the car is driving in a low-light environment, when the driver wants to see the distant environment (road), he needs to turn on the high beam to illuminate. The high beam is usually a spotlight, which makes the emitted light converge, thereby High brightness and long irradiation distance. When the car is in a non-driving state, the lighting requirements are different, such as providing lighting for moving goods on and off or providing lighting for camping camps, the demand for lighting is that the lighting range is large and the light is soft and not dazzling (making the light diffuse) , the floodlights should be turned on at this time.

To meet the above two requirements, people often add multiple spotlights and floodlights when customizing or modifying their own cars, which is inconvenient and costly to install. When switching between the two lights, you need to turn off one of the spotlight and the floodlight separately, and then turn on the other of the spotlight and the floodlight separately.

public content

The present disclosure provides a switchable vehicle lighting fixture, which can be conveniently switched between a spotlight mode and a floodlight mode, and one switchable vehicle lighting fixture can be installed to replace one spotlight and one The floodlight saves installation time and cost, and the damage to the vehicle body during installation is also greatly reduced.

In order to achieve the above object, the present disclosure provides a switchable vehicle lighting fixture, comprising: a main casing with a front end opening composed of a front frame and a rear shell, the front frame and the rear shell are fastened by a first screw The light-emitting element and the light-concentrating assembly located in the main casing; and a diffusing plate made of a transparent material, the front opening of the main casing serves as a light exit, wherein the diffusing plate is constructed can be mounted to the light exit port and can be switched between an open position and a closed position, so that when the light diffusing plate is in the open position, the light emitted from the light emitting element only passes through the light collecting assembly ; and when the diffusing plate is in the closed position, the light emitted from the light-emitting element passes through both the condensing assembly and the diffusing plate.

In the switchable vehicle lighting fixture of the present disclosure, the diffusing plate is mounted to the light exit port of the main housing by a second screw fastener, so that the second screw fastener can be screwed Firmware to easily install and remove the diffuser.

In the switchable vehicle lighting fixture of the present disclosure, the diffusing plate is installed to the light exit port of the main housing by magnetic adsorption, so that the diffusing plate can be quickly installed to the light exit port. The outlet is also disassembled from the light exit port.

In the switchable vehicle lighting fixture of the present disclosure, the diffusing plate is mounted to the light exit port of the main housing by a mechanical hinge, so that the diffusing plate can be operably opposed to each other around a pivot axis pivoted on the main casing.

In the switchable vehicle lighting fixture of the present disclosure, a heat sink for heat dissipation is further provided on the rear case.

In the switchable vehicle lighting fixture of the present disclosure, the number of the light-emitting elements is plural, and the plurality of light-emitting elements are arranged in an array.

In the switchable vehicle lighting fixture of the present disclosure, the condensing component is a convex lens or a reflector cup.

In the switchable vehicle lighting fixture of the present disclosure, a biasing element is provided at the pivot.

In the switchable vehicle lighting fixture of the present disclosure, the diffuser plate made of transparent material has a smooth plane on one side and a plurality of densely distributed micro-replication structures on the other side.

In the switchable vehicle lighting fixture of the present disclosure, the plurality of microreplicated structures are quadrangular pyramids.

In the switchable vehicle lighting fixture of the present disclosure, the diffuser plate made of transparent material further has one or more protrusions (ie, mounting ears) at the edge position for mounting and fixing.

In the switchable vehicle lighting fixture of the present disclosure, the first screw fastener and the second screw fastener are screws that cannot be operated with the same screwdriver or wrench.

In the switchable vehicle lighting fixture of the present disclosure, the first screw fastener is a star screw and the second screw fastener is a socket head cap screw, or the second screw fastener is a Thumbscrews that can be operated without tools.

The advantage of the switchable vehicle lighting fixture provided by the present disclosure is that when the diffusing plate is removed or moved away from the light exit port to be in the open position, the light emitted by the light-emitting unit is condensed by the light-condensing component and then directly emitted, and the emitted light converges. , the light brightness is high, and the irradiation distance is long; when the astigmatism plate is installed at the light outlet or in the closed position, the light emitted by the light-emitting unit will be refracted and scattered by the astigmatism plate, and the emitted light will diverge, and the light will be soft and not dazzling. Therefore, a lamp is used. It can play two lighting effects, which not only saves installation time but also saves costs. At the same time, the convenience of operation when switching between the two lighting modes is also improved.

Description of drawings

FIG. 1 is a schematic perspective view of Embodiment 1 of the switchable vehicle lighting fixture of the present disclosure, showing a state in which a diffuser plate and a main housing are assembled.

FIG. 2 is a front view of the switchable vehicle lighting fixture shown in FIG. 1 with the diffuser plate removed.

FIG. 3 is a schematic diagram showing the details of the structure of the diffusing plate of the switchable vehicle lighting fixture of the present disclosure.

FIG. 4 is a partially exploded schematic view of Embodiment 1 of the switchable vehicle lighting fixture of the present disclosure.

FIG. 5 is an installation schematic diagram of Embodiment 2 of the switchable vehicle lighting fixture of the present disclosure.

FIG. 6 is an installation schematic diagram of Embodiment 3 of the switchable vehicle lighting fixture of the present disclosure.

The meanings of the symbols in the figure are:

2. Main shell;

21. Front frame;

22. Back shell;

23. Light exit;

24. Heat sink;

25. Front frame screws;

3. Light-emitting element;

4. Concentrating components;

5. Astigmatism board;

51. Astigmatism plate screw;

52. The protrusion of the diffuser plate (installation ear);

53. Auxiliary installation block;

54. The first magnetic block;

55. The second magnetic block

101. Pivot;

102. Arrow.

Detailed ways

Hereinafter, the technical solutions of the present disclosure will be clearly and completely described with reference to Embodiments 1 to 3. Obviously, the described embodiments are only some, but not all, embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art through simple analogy and combination without creative work fall within the protection scope of the present disclosure.

The present disclosure provides a switchable vehicle lighting fixture, comprising: a main housing 2 with a front opening composed of a front frame 21 and a rear shell 22 , the front frame 21 and the rear shell 22 are connected by a first screw fastener (for example, a front frame screws 25) are assembled together; the light-emitting element 3 and the light-concentrating assembly 4 located in the main casing 2; and the diffusing plate 5 made of transparent material, the front opening of the main casing 2 serves as the light exit 23, wherein the diffusing plate 5 is configured to be mountable to said light exit port 23 and to be switchable between an open position and a closed position, so that when the diffuser plate 5 is in the open position, the light emitted from the light emitting element 3 only passes through the light collecting assembly 4; and When the diffusing plate 5 is in the closed position, the light emitted from the light emitting element 3 passes through both the light condensing assembly 4 and the diffusing plate 5 .

As shown in FIGS. 1 to 4 , in the switchable vehicle lighting fixture, the main casing 2 is composed of a rear casing 22 and a front frame 21 ; the rear casing 22 is made of plastic material or metal material, and is made of metal material. It is beneficial to heat dissipation, and the use of plastic materials is beneficial to save costs; the front end of the rear shell 22 is open and the rear end is closed. The front frame 21 is a substantially square, hollow frame, and its shape is the same as the opening at the front end of the rear case 22 . The front frame 21 and the rear casing 22 are assembled together by a first screw fastener (such as the front frame screw 25) to form the main casing 2, and the front opening of the main casing 2 (ie the opening of the front frame 21) serves as the light exit port twenty three.

A light-emitting element 3 and a light-condensing assembly 4 are arranged in the inner cavity of the main casing 2, and the light-emitting element 3 can use an LED lamp. When higher brightness is required, a plurality of LED lights can be provided in the main casing 2 . This embodiment has 4 LED lights arranged in two rows and two columns. Other types (eg halogen lamps, xenon lamps, laser lamps) and other numbers (eg 1, 2, 3 or 4 or more) of light-emitting elements 3 are also permissible, as long as the necessary brightness requirements can be met.

For example, the light-condensing component 4 is a reflector array formed by connecting the mouths of a plurality of concave reflectors into one body. The number of reflectors in the reflector array is the same as that of the light-emitting elements 3 , which is also four. The light of the light-emitting element 3 is condensed by the light-condensing component 4 and then emitted from the light-emitting port 23 . Obviously, the condensing component 4 can also be a convex lens array composed of a plurality of convex lenses.

The switchable vehicle lighting fixture of the present disclosure further includes a diffuser plate 5, and the diffuser plate 5 is made of a transparent material, such as transparent plastic or transparent glass. The side of the diffuser plate 5 away from the light-emitting element 3 is a smooth plane, and the side close to the light-emitting element 3 has a plurality of densely distributed micro-replication structures. When the diffuser plate 5 is installed in the light exit port 23 or in the closed position, the light emitted from the light emitting element 3 is emitted from the light exit port 23 , and the light passes through the densely distributed micro-replicated structures on the diffuser plate 5 . According to the principle of light refraction, the light will be deflected at this time, so that the light transmitted through the astigmatism plate 5 is uniform and soft, which effectively avoids the dazzling phenomenon and expands the illumination range of the near field. As shown in the partial enlarged view of part A in FIG. 3 , as an example, the shape of the plurality of microreplicated structures may be a quadrangular pyramid. Based on the same reason, the plurality of microreplicated structures can be a plurality of point-like protrusions, or a plurality of point-like depressions, or a plurality of linear protrusions or depressions, as long as the light incident on the plurality of micro-replicated structures can be diffused That's it.

In the first embodiment of the present disclosure, the diffusing plate 5 is mounted to the light exit 23 of the main housing 2 by means of second screw fasteners (eg, diffusing plate screws 51 ), so that the second screw fastener can be screwed to Easy to install and remove the diffuser plate 5.

As shown in FIG. 4 , there are also four (or two) light-scattering board protrusions 52 at the edge position of the light-scattering board 5 , and the light-scattering board protrusions are mounting ears for installation and fixation. When installing the diffuser plate 5 , the diffuser plate screws 51 and the auxiliary mounting block 53 are required to fix the mounting ears 52 , so that the diffuser plate 5 is installed and fixed to the light exit port 23 .

The rear shell 22 is also provided with a protruding heat sink 24 for increasing the heat dissipation surface area, enhancing the heat dissipation effect, and preventing the light-emitting element 3 from being damaged by the high temperature during operation of the lamp.

When the user switches and adjusts the condensing mode or the flooding mode of the vehicle lighting fixture, the diffusing plate 5 needs to be disassembled by screwing the diffusing plate screws 51 , and the front frame screws 25 are removed by mistake in order to prevent the user from misoperation. , the front frame screw 25 and the diffuser plate screw 51 are screws that cannot be operated with the same screwdriver or wrench. In this embodiment, the front frame screw 25 is a star screw, which requires a star wrench or a screwdriver to disassemble and assemble, while the astigmatism plate screw 51 is a hexagon socket head screw, which requires a hexagon socket wrench or a screwdriver to disassemble and assemble, such a design reduces the The risk of damage to the product due to misoperation by the user is avoided. The astigmatism plate screw 51 can also be configured as a hand screw, so that the user can disassemble and assemble the astigmatism plate 5 by hand-tightening without the aid of tools.

In the second embodiment, the diffusing plate 5 is magnetically attached to the light exit port 23 of the main casing 2 , so that the diffusing plate 5 can be quickly installed and removed from the light exit port 23 .

As shown in FIG. 5 , a protrusion is provided on the left and right sides of the astigmatism plate 5 , a first magnetic block 54 is placed on each protrusion, and a depression corresponding to the protrusions on the left and right sides of the astigmatism plate 5 is formed on the front frame 21 . A second magnetic attraction block 55 is provided at the part, and the first magnetic attraction block 54 and the second magnetic attraction block 55 can be attached together under the action of magnetic force. The vehicle lighting fixture of the second embodiment can also conveniently realize the function of switching the condensing mode and the flooding mode by disassembling and assembling the diffusing plate 5 . Since the diffuser plate 5 is attached to the main casing by means of magnetic attraction, the installation and disassembly are very convenient, without the need for tools, and the switching mode is more convenient. In order to ensure a firm fit, a snap structure may be provided between the protruding portion of the diffuser plate 5 and the concave portion of the front frame 21 to enhance the binding force of the two.

In the third embodiment, the diffusing plate 5 is mounted to the light exit port 23 of the main casing 2 by mechanical hinge, so that the diffusing plate 5 can be operably pivoted relative to the main casing 2 around the pivot shaft 101 .

As shown in FIG. 6 , in this embodiment, one side (the left side in FIG. 6 ) of the diffuser plate 5 and the front frame 21 are hingedly mounted together. The pivot 101 pivots relative to the main housing 2, and arrows 102 indicate its opening and closing directions. When it is necessary to switch to the floodlight mode, the diffuser plate 5 is rotated to the light exit 23, and the light emitted from the light-emitting element 3 passes through both the condensing assembly 4 and the diffuser plate 5; when it is necessary to switch to the condensing mode At this time, the diffusing plate 5 can be moved away from the light exit port 23 , and the light emitted from the light emitting element 3 only passes through the condensing assembly 4 and no longer passes through the diffusing plate 5 .

For ease of operation, a biasing element such as a coil spring (not shown in the figure) may be provided at the pivot shaft 101 to provide a restoring force, so that once the other side of the diffuser plate 5 (the side away from the pivot shaft 101, FIG. 6 The center is the right side) out of its closed position, the diffuser plate 5 will automatically return to its open position under the action of the restoring force.

The main features, technical principles and advantages of the present disclosure have been described above with reference to the embodiments, and the above embodiments are not intended to limit the present disclosure. Any modifications, equivalent replacements and improvements made to the present disclosure without departing from the spirit and principles of the present disclosure shall fall within the intended protection scope of the present disclosure.

Claims (13)

A switchable vehicle lighting fixture, comprising: a main casing with a front opening consisting of a front frame and a rear shell, wherein the front frame and the rear shell are assembled together by a first screw fastener; a light-emitting element and a light-concentrating assembly located within the main housing; and A diffusing plate made of a transparent material, the front opening of the main housing serving as a light exit, wherein the diffusing plate is configured to be mountable to the light exit and switchable between an open position and a closed position , so that when the diffusing plate is in the open position, the light emitted from the light-emitting element only passes through the light-concentrating assembly; and when the diffusing plate is in the closed position, the light emitted from the light-emitting element passes through the light-emitting element The outgoing light passes through both the condensing component and the diffusing plate. The switchable vehicle lighting fixture of claim 1, wherein the light diffusing plate is mounted to the light exit port of the main housing by a second screw fastener, so that the second screw can be screwed Fasteners to easily install and remove the diffuser. The switchable vehicle lighting fixture according to claim 1, wherein the diffusing plate is installed to the light exit port of the main housing by magnetic adsorption, so that the diffusing plate can be quickly installed to the light The exit orifice is disassembled from the light exit orifice. The switchable vehicle lighting fixture of claim 1, wherein the diffuser plate is mounted to the light exit port of the main housing by a mechanical hinge, so that the diffuser plate can be operably pivoted around a pivot axis pivots relative to the main housing. The switchable vehicle lighting fixture according to any one of claims 2 to 4, wherein a heat sink for heat dissipation is further provided on the rear case. The switchable vehicle lighting fixture according to any one of claims 2 to 4, wherein the number of the light emitting elements is plural, and the plural light emitting elements are arranged in an array. The switchable vehicle lighting fixture according to any one of claims 2 to 4, wherein the light-gathering component is a convex lens or a reflector cup. The switchable vehicle lighting fixture of claim 4, wherein a biasing element is provided at the pivot. The switchable vehicle lighting fixture according to any one of claims 2 to 4, wherein the diffuser plate made of transparent material has a smooth plane on one side and a plurality of micro-replication structures densely distributed on the other side . The switchable automotive lighting fixture of claim 9, wherein the plurality of microreplicated structures are quadrangular pyramids. The switchable vehicle lighting fixture according to any one of claims 2 to 4, wherein the diffusing plate made of transparent material further has one or more protrusions for installation and fixation at its edge position. The switchable vehicle lighting fixture of claim 2, wherein the first screw fastener and the second screw fastener are screws that cannot be operated with the same screwdriver or wrench. The switchable vehicle lighting fixture of claim 12, wherein the first helical fastener is a star screw and the second helical fastener is a socket head cap screw, or the second helical fastener It is a hand screw that can be operated without tools.

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