CN217816531U - Roller shading structure, car lamp module, car lamp and vehicle - Google Patents

Abstract

The utility model relates to a car light provides a gyro wheel light-tight structure, including gyro wheel, gyro wheel seat and mounting panel, be provided with at least one light-tight piece on the gyro wheel, be provided with cut-off line formation structure on the light-tight piece, the gyro wheel is rotatably installed on the gyro wheel seat, the gyro wheel seat is installed on the mounting panel, and can follow on the mounting panel the axial displacement of gyro wheel can be used for carrying out the cut-off line formation structure that shelters from to the light path through the rotation control of gyro wheel, and removal about the cut-off line formation structure is realized to removal through the gyro wheel seat on the mounting panel to can form the illumination light shape that has the light and shade cut-off line of different shapes, different inflection point positions, realize one of car light and AFS follow-up turn to the function. The utility model also provides a car light module, a car light and a vehicle.

Description

Roller shading structure, car lamp module, car lamp and vehicle

Technical Field

The utility model relates to a vehicle lighting device specifically, relates to a gyro wheel light-shielding structure. Furthermore, the utility model discloses still relate to car light module, car light and the vehicle that contains this gyro wheel light-shielding structure.

Background

In order to meet the requirement of global development of economy, more and more hosts provide a one world vehicle lamp concept in the face of vehicle lamp regulation differences in different countries and regions in order to open the global vehicle market. The One world vehicle lamp can be adjusted through the internal structure or the electronic system of the vehicle lamp, so that the vehicle lamp can irradiate different types of light shapes to meet the requirements of different countries and regions on the vehicle lamp lighting regulations. At present, one world vehicle lamps mainly need to meet three regional regulation requirements, namely ECE left driving (meeting the left driving requirement of the ECE regulation), ECE right driving (meeting the right driving requirement of the ECE regulation) and SAE left driving (meeting the left driving requirement of the SAE standard). The design of the One world vehicle lamp can greatly save research and development cost, improve the application range of the vehicle lamp, meet the current principle of cost reduction and efficiency improvement of various large host factories, and meet the One world requirement.

An Adaptive Front-lighting System (AFS) can continuously and dynamically adjust headlamps according to the angle of an automobile steering wheel, the deflection rate of the automobile and the driving speed, adapt to the current steering angle, and keep the light direction consistent with the current driving direction of the automobile so as to ensure that the best illumination is provided for the road ahead and the best visibility is provided for a driver, thereby obviously enhancing the safety of driving at night. The visual field of a driver is enlarged under the condition of poor road illumination or the road condition of multiple curves, and the driver can be reminded of coming vehicles in advance. AFS is favored by more and more host plants due to its strong security capabilities.

Most of the conventional LED car light modules are configured to block light through a light blocking plate to form a cut-off line, and the principle thereof is shown in fig. 21 and 22. The light of the light source 1' is shielded by the light shielding plate 2' and is projected by the lens 3' to form a near light cut-off line, and under the condition of determined design, the light shape can not be adjusted. The lighting effect is single, and the one world function cannot be realized.

In addition, the chinese patent application with application publication No. CN108131640a proposes a shading roller module, in which the shading member is changed from the original baffle to a roller, the circumferential surface of the roller is divided into a plurality of mutually independent areas along the rotation direction of the roller, each area is provided with a different shading structure profile corresponding to different light cut-off lines. The periphery of the roller is divided into five mutually independent areas, and the five areas are respectively provided with shading structure surface types aiming at country roads, urban roads, expressways, high beams and no-glare high beam cut-off lines. The roller type module can realize switching of various levels of near light and far light of the AFS, solves the problem of light shape singleness of a headlamp, and cannot realize the AFS follow-up steering function through the shading module. When current AFS realized the follow-up and turns to the function, need drive whole passing light module with the help of rotating mechanical structure and control the removal that could realize the passing light knee of turning about, rotate mechanical structure and need occupy very big space, this space that will compress car light module occupies, may form the restriction to the performance of car light module.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that the first aspect will be solved provides a gyro wheel light-shading structure, can shelter from to the light that the light source sent, forms removing about the short-distance beam light and shade cut-off line flex point, realizes AFS follow-up steering function.

The utility model discloses the problem that the second aspect will be solved provides a car light module, can realize AFS follow-up steering function through light-shading structure.

The utility model discloses the problem that the third aspect will be solved provides a car light, and light shape type is abundant, can realize AFS follow-up steering function.

The utility model discloses the problem that the fourth aspect will be solved provides a vehicle, and the car light shape is abundant, can realize AFS follow-up steering function.

In order to solve the technical problem, the utility model discloses the first aspect provides a gyro wheel light-shielding structure, including gyro wheel, gyro wheel seat and mounting panel, be provided with at least one light-shielding piece on the gyro wheel outer peripheral face, be provided with cut-off line formation structure on the light-shielding piece, the gyro wheel is rotatably installed on the gyro wheel seat, the gyro wheel seat is installed on the mounting panel, and can follow on the mounting panel the axial displacement of gyro wheel.

Preferably, the roller is provided with a rotating shaft, the rotating shaft is installed on the roller seat, the rotating shaft at one end of the roller is provided with a driving gear, the roller seat is provided with a roller driving part, and the roller driving part is provided with threads meshed with the driving gear. In this preferred technical scheme, can rotate through the epaxial drive gear of gyro wheel driving piece drive gyro wheel to it is rotatory to drive the gyro wheel, rotates the position that can form the sheltering from to illumination light with cut-off line formation structure on the gyro wheel outer peripheral face, perhaps removes away from the position that can form the sheltering from to illumination light with cut-off line formation structure through the rotation of gyro wheel.

Preferably, the utility model discloses a gyro wheel light-shielding structure still includes removes actuating mechanism, remove actuating mechanism and set up on the mounting panel, and can drive the gyro wheel seat is in remove on the mounting panel. In the preferred technical scheme, the mounting plate is provided with the movement driving mechanism, so that the roller seat can be more conveniently driven to move on the mounting plate, and the roller is driven to axially move.

Further preferably, the movable driving mechanism comprises a threaded rod, a threaded rod driving gear and a threaded rod driving part, a driving rack is arranged on the roller seat, threads matched with the driving rack are arranged on the threaded rod, the threaded rod driving gear is fixed on the threaded rod, and threads matched with the threaded rod driving gear are arranged on the threaded rod driving part to drive the threaded rod driving gear to rotate, so that the threaded rod is driven to rotate. Through the preferred technical scheme, when the threaded rod driving part rotates, the threaded rod driving gear can be driven to rotate through threads, so that the threaded rod is driven, and the roller seat is driven to move on the mounting plate through the matching of the threads on the threaded rod and the driving rack on the roller seat. The moving direction of the roller seat can be controlled by controlling the rotating direction of the threaded rod driving piece.

Preferably, the outer surface of the light-shielding member includes a first cutting surface, a second cutting surface and a transition cutting surface, the first cutting surface protrudes out of the outer peripheral surface of the roller, a distance from the first cutting surface to the rotation center line of the roller is greater than a distance from the second cutting surface to the rotation center line of the roller, the transition cutting surface connects the first cutting surface and the second cutting surface, and the first cutting surface, the second cutting surface and the transition cutting surface together form the cut-off line forming structure. In the preferred technical scheme, the first cutting surface, the second cutting surface and the transition cutting surface can shield light emitted by the light source to form a lighting light-shaped cut-off line. By setting the positions and the directions of the first cutting surface, the second cutting surface and the transition cutting surface, the lighting light shapes with various different cut-off lines can be formed.

Preferably, the first and second cutting surfaces are disposed parallel to a rotation center line of the roller. With this preferred embodiment, an illumination light pattern having a horizontal cutoff line can be formed.

Further preferably, the second cutting surface is arranged on the left side of the roller in the axial direction, and the first cutting surface is arranged on the right side of the roller in the axial direction so as to form a left-hand drive cut-off line forming structure; or the first cutting surface is arranged on the left side of the axial direction of the roller, and the second cutting surface is arranged on the right side of the axial direction of the roller so as to form a right driving cut-off line forming structure. According to the preferred technical scheme, the first cutting surface is arranged on the right side of the roller, and the second cutting surface is arranged on the left side of the roller, so that a left-driving lighting light shape with a lower left and a higher right can be formed; the first cutting surface is arranged on the left side of the roller, and the second cutting surface is arranged on the right side of the roller, so that a right-driving lighting light shape with a high left side and a low right side can be formed.

Preferably, the light shielding member is provided with a plurality of light shielding members, the plurality of light shielding members are arranged at intervals along the circumferential direction of the roller, and the cut-off line forming structures on the plurality of light shielding members are different from each other. Through the preferred technical scheme, different light shading pieces are rotated to the tops of the rollers, so that different cut-off lines of the lighting light shapes can be formed, different lighting light shapes are formed, and the function of the One world car lamp is realized.

Further preferably, the cut-off line forming structure on the plurality of light-shielding members includes an ECE left-hand cut-off line forming structure, an ECE right-hand cut-off line forming structure, and an SAE cut-off line forming structure. Through this preferred scheme of advancing, the utility model discloses a light that gyro wheel light-tight structure just can send the light source shelters from, forms the ECE left side that satisfies three kinds of regional regulation requirements and drives illumination light shape, ECE drives illumination light shape and SAE left side and drives illumination light shape.

Preferably, the roller is provided in plurality, and the plurality of rollers are axially connected to each other so as to be capable of rotating the plurality of rollers in synchronization. In the preferred technical scheme, a plurality of rollers can shield light rays emitted by a plurality of light sources to form a plurality of illumination areas, and the illumination areas are mutually combined or mutually superposed to form a final illumination light shape.

Further preferably, rotating shafts are arranged on the rollers, and the rotating shafts between two adjacent rollers are connected with each other through a universal joint structure. Through this preferred technical scheme, relative bending in two directions can be realized to a plurality of gyro wheels in the axial direction for the curved state of a plurality of gyro wheels can suit with the light path direction of the light that a plurality of light sources sent.

The utility model discloses the second aspect provides a car light module, include along light-emitting direction set gradually light source, primary optical element the utility model discloses the gyro wheel light-shielding structure and the lens that the first aspect provided.

Preferably, the light sources are provided in plurality, the primary optical element is a condenser, the condenser includes a plurality of light incident structures and a plurality of light emergent structures, the roller shading structure includes a plurality of rollers, and each light source corresponds to one of the light incident structures, one of the light emergent structures, and one of the rollers. In the preferred technical scheme, light emitted by each light source is guided in from a corresponding light inlet structure, is transmitted by a condenser, is emitted from a corresponding light outlet structure, is shielded by a roller shading structure, is emitted to a lens, and is projected out through the lens to form an illumination area with a corresponding cut-off line, and a plurality of illumination areas are combined and/or overlapped with each other to form a final illumination light shape.

The utility model discloses the third aspect provides a car light, and this car light includes the utility model discloses the car light module that the second aspect provided.

The utility model discloses the fourth aspect provides a vehicle, and this vehicle includes the utility model discloses the car light that the third aspect provided.

Through the technical scheme, the utility model discloses a following beneficial effect:

1. the utility model designs the shading part with the cut-off line forming structure on the roller body, changes the position of the shading part through the rotation of the roller, and when the shading part rotates to a set position, the cut-off line forming structure can shade the light emitted by the light source to form the lighting light shape with a light and shade cut-off line; when the cut-off line forming structure is away from the position, the illumination light shape which is not shielded by the cut-off line forming structure can be formed. The position of the shading part is switched quickly and conveniently, the position is accurate, and the switching noise is low;

2. the utility model discloses install the gyro wheel on the gyro wheel seat, and realize the translation about the cut-off line forms the structure through the removal of gyro wheel seat in the gyro wheel axial direction, realize the left and right sides of the light and shade cut-off line inflection point position in the illumination light shape and remove, be convenient for realize the AFS follow-up steering function of car light, simple structure, the space occupies for a short time;

3. the utility model discloses can set up different anti-dazzling screen on the gyro wheel periphery, set up the cut-off line that corresponds different illumination light shape requirements on every anti-dazzling screen and form the structure, the rotatory position through the control gyro wheel can use different anti-dazzling screen to shelter from the light that the light source sent, forms the illumination light shape that accords with different regional regulations requirements, realizes one world function.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a roller shading structure of the present invention;

fig. 2 is a schematic view of a roller according to an embodiment of the roller shading structure of the present invention;

fig. 3 is a schematic view of a left-side driving shading state of the roller according to an embodiment of the roller shading structure of the present invention;

FIG. 4 is a schematic diagram of the SAE standard left-hand drive cut-off light shape;

FIG. 5 is a schematic illustration of an ECE standard left drive cut-off light shape;

fig. 6 is a schematic view of a right-side driving shading state of the roller according to an embodiment of the roller shading structure of the present invention;

FIG. 7 is a schematic illustration of an ECE standard right-hand drive cut-off light shape;

FIG. 8 is a schematic view of a left-hand drive cut-off line forming structure inflection point translation;

FIG. 9 is a schematic diagram of the left and right endpoints of the inflection point translation of the cutoff line in the light shape of the left driving cutoff line;

FIG. 10 is a schematic view of a right-hand drive line-of-cut forming structure corner translation;

FIG. 11 is a schematic diagram of the left and right endpoints of the inflection point translation of the cut-off line in the right-hand drive cut-off line light shape;

fig. 12 is a schematic view illustrating a plurality of roller connection states according to an embodiment of the roller shading structure of the present invention;

FIG. 13 is an enlarged view of a portion A of FIG. 12;

fig. 14 is a schematic structural diagram of an embodiment of the vehicle lamp module of the present invention;

fig. 15 is a schematic light path diagram of an embodiment of the vehicle lamp module of the present invention;

fig. 16 is a schematic structural diagram of another embodiment of the vehicle lamp module of the present invention;

FIG. 17 is a partial top view of the optical element of FIG. 16;

FIG. 18 is a cross-sectional view taken along the line B-B in FIG. 17;

fig. 19 is a schematic structural diagram of a part of an optical element of another embodiment of the vehicle lamp module of the present invention;

FIG. 20 is a view of the alternate orientation of FIG. 19;

FIG. 21 is a schematic view of a vehicle lamp module according to the prior art;

fig. 22 is a schematic diagram illustrating the light shape formation of a vehicle lamp module according to the prior art.

Description of the reference numerals

1. Roller 11 shading piece

111. First cutting surface 112 second cutting surface

113. Transition cutting surface 12 rotating shaft

13. Roller drive gear 14 roller drive

15. Universal joint structure

2. Roller seat 21 driving rack

3. Mounting plate 4 movement driving mechanism

41. Threaded rod 42 threaded rod drive gear

43. Threaded rod driving piece 5 light source

6. Light incident structure of primary optical element 61

62. Light-emitting structure 7 lens

71. Lens light incident surface 72 lens light emergent surface

81. Cut-off line upper boundary 82 cut-off line shoulder line

83. Cut-off line transition line

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is provided for illustration and explanation of the invention and is not intended to limit the invention.

In addition, it should be noted that, in the following description, some orientation words, such as "up", "down", "left", "right", "front", "back", etc., related to the technical solution of the present invention are all the meanings obtained by analogy with the orientation of the vehicle when the vehicle normally runs when the vehicle lamp module is applied to the vehicle, wherein the orientation of the vehicle head is front. This is merely for convenience in describing the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of the features described.

As shown in fig. 1, an embodiment of the roller shading structure of the present invention includes a roller 1, a roller seat 2 and a mounting plate 3. The roller 1 is installed on the roller seat 2 and can rotate on the roller seat 2, at least one light shading piece 11 extending axially is arranged on the outer circumferential surface of the roller 1, the light shading piece 11 protrudes out of the outer circumferential surface of the roller 1, when the roller 1 rotates on the roller seat 2, the position of the light shading piece 11 relative to the roller seat 2 can be changed, and light emitted by a vehicle lamp light source can be shaded by the light shading piece 11 on the opposite side of the roller 1 and the roller seat 2. The light-shielding member 11 is provided with a cut-off line forming structure, and light emitted by the light source is shielded by the cut-off line forming structure and then projected by the lens, so that an illumination light shape with a light and dark cut-off line corresponding to the shape of the cut-off line forming structure can be formed. When a plurality of light-shielding members 11 are disposed on the roller 1, cut-off line forming structures of different shapes can be disposed on the plurality of light-shielding members 11, and different light-shielding members 11 can be rotated to the top of the roller 1 at the opposite side of the roller seat 2 by rotating the roller 1, so that light emitted from the light source can be shielded by using different light-shielding members 11, and an illumination light shape with cut-off lines of different shapes can be formed. The roller seat 2 is installed on the installation plate 3 and can move left and right on the installation plate 3 along the axial direction of the roller 1, the left and right movement of the roller seat 2 drives the roller 1 on the roller seat 2 and the left and right movement of the shading piece 11 on the roller 1, and the cut-off line forming structure on the shading piece 11 can shield light rays emitted by the light source 5 at different left and right positions, so that a light and shade cut-off line and an inflection point in the formed lighting light shape can move left and right continuously, and the AFS follow-up steering function is convenient to realize. The left and right movement of the roller seat 2 on the mounting plate 3 can be realized by a movement driving mechanism 4, and the movement driving mechanism 4 can be a mechanical toggle mechanism or a motor and can be linked with a steering mechanism of a vehicle. The mounting plate 3 may be a separate solid structure or may be part of a lighting module structure or a lamp housing.

The roller 1 may be made of various materials such as metal, plastic (e.g., PC-HT (high temperature resistant polycarbonate)), and the like. In practical applications, a rotating shaft 12 is usually disposed at the axis of the roller 1, and the rotating shaft 12 can be driven by a stepping motor or a servo motor to rotate, so that the rotating position of the roller 1 can be accurately controlled. The shading piece 11 is of a strip-shaped structure and can be fixed on the surface of the roller 1 or integrally formed on the roller 1, the outer surface of the shading piece 11 can be an arc surface, the section of the circumferential surface where the arc surface is located and the section of the circumferential surface of the roller 1 are concentric circles, and the central angle corresponding to the width of the arc surface is 2-10 degrees. As a specific scheme, a roller driving gear 13 is fixedly connected to one end of the rotating shaft 12, a roller driving member 14 is disposed on the roller seat 2, and a thread matched with the roller gear 13 is disposed on the roller driving member 14, so that when the roller driving member 14 rotates, the roller driving gear 13 can be driven, and the roller 1 is driven to rotate. The roller drive 14 may be mounted on the shaft of a motor which may be mounted on the other side of the mounting plate 3, the shaft of the motor passing through the mounting plate 3 to connect with the roller drive 14.

In some embodiments of the roller shading structure of the present invention, as shown in fig. 1, the roller shading structure of the present invention further includes a moving driving mechanism 4. The moving driving mechanism 4 is arranged on the mounting plate 3 and connected with the roller seat 2, and the roller seat 2 can move left and right on the mounting plate 3 along the axial direction of the roller 1 under the driving of the moving driving mechanism 4. The movement driving mechanism 4 may be a variety of possible driving structures such as a lead screw, an electric push rod, a gear driving structure, etc.

As a specific embodiment of the roller shading structure of the present invention, as shown in fig. 1, the moving driving mechanism 4 includes a threaded rod 41, a threaded rod driving gear 42 and a threaded rod driving member 43, and the roller seat 2 is provided with a driving rack 21. The threaded rod 41 is arranged in parallel with the rotation central line of the roller 1, the threaded rod 41 is provided with threads matched with the driving rack 21, when the threaded rod 41 rotates, the roller seat 2 can be pushed to move along the direction of the threaded rod 41, and the moving direction of the roller seat 2 can be changed by changing the rotation direction of the threaded rod 41. One end of the threaded rod 41 is fixedly connected with a threaded rod driving gear 42, a threaded rod driving part 43 is arranged on one side of the threaded rod driving gear 42, threads matched with the threaded rod driving gear 42 are arranged on the threaded rod driving part 43, and when the threaded rod driving part 43 rotates, the threaded rod driving gear 42 can be driven to rotate, so that the threaded rod 41 is driven to rotate. Similarly, the threaded rod drive 43 may be mounted on the shaft of a motor, which may be mounted on the other side of the mounting plate 3, the shaft of the motor passing through the mounting plate 3 to be connected to the threaded rod drive 43.

In some embodiments of the roller shade structure of the present invention, as shown in fig. 2, a first cutting surface 111, a second cutting surface 112 and a transition cutting surface 113 are provided on the outer top surface of the shade 11. The first cutting surface 111 and the second cutting surface 112 may be flat surfaces or curved surfaces, and when the first cutting surface 111 and the second cutting surface 112 are flat surfaces, they are generally parallel to each other and arranged parallel to the axis of the rotating shaft 12 of the roller 1, and the distance from the first cutting surface 111 to the rotating center line of the roller 1, that is, the distance from the axis of the rotating shaft 12 to the rotating center line of the roller 1 is greater than the distance from the second cutting surface 112 to the rotating center line of the roller 1, that is, the height of the first cutting surface 111 on the outer circumferential surface of the roller 1 is greater than that of the second cutting surface 112. The second cut surface 112 may be disposed to be coplanar with the outer circumferential surface of the roller 1, or may be disposed to be higher than the outer circumferential surface of the roller 1. The transition cut surface 113 is connected between the first cut surface 111 and the second cut surface 112, and is formed as an inclined surface that transitions from the first cut surface 111 to the second cut surface 112. The first cutting surface 111, the second cutting surface 112 and the transition cutting surface 113 jointly form a cut-off line forming structure, when the cut-off line forming structure shields light emitted by the light source 5, the shielding of the first cutting surface 111 on the light forms an illumination light-shaped cut-off line shoulder line 82, the shielding of the second cutting surface 112 on the light correspondingly forms an illumination light-shaped cut-off line upper boundary line 81, and the shielding of the transition cutting surface 113 on the light correspondingly forms an illumination light-shaped cut-off line transition line 83. The first cutting surface 111, the second cutting surface 112 and the transition cutting surface 113 can be set to be planes, wherein the first cutting surface 111 and the second cutting surface 112 are both parallel to the cutting plane of the roller 1 at the position of the shading member 11; the rotation center line of the roller 1 can be set as a cylindrical surface with the axis as the axis, and when the rotation center line is set as the cylindrical surface, the position of a cut-off line cannot be influenced by a small error of the rotation position of the roller 1, so that the precision requirement on a motor for driving the roller 1 to rotate can be reduced.

As a specific embodiment of the roller shading structure of the present invention, as shown in fig. 3, the second cutting surface 112 is disposed on the left side of the roller 1 in the axial direction, and the first cutting surface 111 is disposed on the right side of the roller 1 in the axial direction, so that after the cut-off line structure formed by this shields light, the lighting light shape with the left driving light and dark cut-off line as shown in fig. 4 or fig. 5 can be formed. When the roller seat 2 moves left and right on the mounting plate 3, as shown in fig. 8, the first cutting surface 111, the second cutting surface 112 and the transition cutting surface 113 also move in the left and right direction, and after the cut-off line forming structure blocks the light emitted by the light source, the formed illumination light is as shown in fig. 9. When the roller seat 2 moves to the right end, the formed illumination light shape is as shown in a diagram in fig. 9, and the inflection point of the cut-off line shoulder line 82 and the cut-off line transition line 83 is positioned at-7 degrees in the left-right direction of the 25m light distribution screen; when the roller mount 2 is moved to the left end, the illumination light shape is formed as shown in the b diagram in fig. 9, and the inflection point of the cutoff line shoulder line 82 and the cutoff line transition line 83 is located at 15 ° in the left-right direction of the 25m light distribution screen. As another embodiment of the roller light shielding structure of the present invention, as shown in fig. 6, the first cutting surface 111 is disposed on the left side of the roller 1 in the axial direction, and the second cutting surface 112 is disposed on the right side of the roller 1 in the axial direction, so that after the cut-off line forming structure formed by this shields the light, the lighting pattern with the right driving cut-off line as shown in fig. 7 can be formed. When the roller seat 2 moves left and right on the mounting plate 3, as shown in fig. 10, the first cutting surface 111, the second cutting surface 112 and the transition cutting surface 113 also move in the left and right direction, and after the stop line forming structure blocks the light emitted by the light source, the formed illumination light is as shown in fig. 11. When the roller seat 2 moves to the right end, the formed illumination light shape is as shown in a diagram in fig. 11, and the inflection point of the cut-off line shoulder line 82 and the cut-off line transition line 83 is positioned at-15 degrees in the left-right direction of the 25m light distribution screen; when the roller mount 2 is moved to the left end, the illumination light shape is formed as shown in the b diagram in fig. 11, and the inflection point of the cutoff line shoulder line 82 and the cutoff line transition line 83 is located at 7 ° in the left-right direction of the 25m light distribution screen.

In some embodiments of the roller shading structure of the present invention, as shown in fig. 2, a plurality of shading members 11 are disposed at different positions on the outer peripheral surface of the roller 1, and the plurality of shading members 11 are disposed at certain intervals on the circumferential surface of the roller 1. Due to the difference of the requirements of the regions for the cut-off lines, the heights of the cut-off line forming structures on the roller 1 are different (i.e. the heights of the first cutting surfaces 111 on the outer circumferential surface of the roller 1 are different). The positions of the structures formed by the cut-off lines on the outer circumferential surface of the roller 1 need to ensure that when any light shielding member 11 is used for shielding light emitted by the light source 5, the light shielding members 11 at the other positions do not interfere with the light, so that the intervals of the light shielding members 11 on the outer circumferential surface of the roller 1 need to keep a certain angle, for example, the central angle corresponding to the arc surface between two adjacent light shielding members 11 can be set to be more than 30 degrees, and is usually set to be 30-45 degrees. The cut-off line on the different anti-dazzling screen 11 forms the structure diverse, and when gyro wheel 1 rotated on gyro wheel seat 2, can be rotatory to gyro wheel 1's top with the anti-dazzling screen 11 of different positions on the 1 outer peripheral face of gyro wheel, the light that sends the light source shelters from, forms the illumination light shape that has different light and shade cut-off lines, thereby can use One the utility model discloses a gyro wheel light-shading structure forms the illumination light shape that accords with different countries in the world, the different regulation regulations in area, realizes the function of One world car light.

In some embodiments of the roller shading structure of the present invention, the cut-off line forming structure on the different shading members 11 on the outer peripheral surface of the roller 1 includes an ECE left-hand drive cut-off line forming structure, an ECE right-hand drive cut-off line forming structure and an SAE cut-off line forming structure. At present, regulations of different countries and regions in the world mainly have three requirements of left driving of ECE regulations, right driving of ECE regulations and left driving of SAE standards for vehicle lamp illumination. Wherein, the light shape required by the left driving of the ECE regulation is as shown in FIG. 5, the upper boundary 81 of the cut-off line is positioned at the right side of the light shape and at the 0 degree position in the up-down direction of the 25m light distribution screen; the cut-off line shoulder line 82 is positioned on the left side of the light shape and is positioned at a position of minus 0.57 degrees in the vertical direction of the 25m light distribution screen; the cutoff line transition line 83 extends from the lower left to the upper right at an angle of 45 ° to the horizontal direction, and is connected to the cutoff line shoulder line 82 and the cutoff line upper boundary line 81, respectively. The light shape required for right driving by the ECE regulation is shown in fig. 7, and an upper boundary 81 of a cutoff line is positioned on the left side of the light shape and at a position of 0 ° in the vertical direction of a 25m light distribution screen; the cut-off line shoulder line 82 is positioned on the right side of the light shape and is positioned at a position of minus 0.57 degrees in the vertical direction of the 25m light distribution screen; the cutoff line transition line 83 extends from the upper left to the lower right at an angle of 45 ° to the horizontal, and is connected to the cutoff line shoulder line 82 and the cutoff line upper boundary line 81, respectively. The light shape required by the left driving under SAE regulation is shown in FIG. 4, and the upper boundary 81 of the cut-off line is positioned at the right side of the light shape and at the 0 degree position in the vertical direction of the 25m light distribution screen; the cut-off line shoulder line 82 is positioned on the left side of the light shape and is positioned at a position of minus 0.4 degrees in the vertical direction of the 25m light distribution screen; the cutoff line transition line 83 extends from the lower left to the upper right at an angle of 45 ° to the horizontal, and is connected to the cutoff line shoulder line 82 and the cutoff line upper boundary line 81, respectively. The ECE left-driving cut-off line forming structure can shield light rays emitted by the light source to form an ECE left-driving lighting light shape shown in FIG. 5; the ECE right-driving cut-off line forming structure can shield light rays emitted by the light source to form an ECE right-driving illumination light shape shown in fig. 7; the SAE cut-off line forming structure can shield light emitted by the light source to form an SAE left-hand driving lighting light shape shown in FIG. 4. Therefore, three different lighting light shapes meeting the requirements of the existing one world vehicle lamp can be formed.

In some embodiments of the roller shading structure of the present invention, as shown in fig. 12, the rollers 1 are provided with a plurality of rollers 1, and the plurality of rollers 1 are connected to each other in the axial direction, and the axial connection between the adjacent rollers 1 can be connected to each other through the rotating shaft provided on the roller 1, and can also be connected to each other through the connecting member, in a preferred embodiment, the rollers 1 are provided with the rotating shafts 12, and the plurality of rollers 1 are connected to each other through the respective rotating shafts 12. The plurality of rollers 1 are usually mounted on a roller base 2, and when one of the rollers 1 rotates on the roller base 2, the plurality of rollers 1 can be driven by the rotating shaft 12 to synchronously rotate on the roller base 2. The rollers 1 can respectively shield light rays emitted by the light sources to form light and shade cut-off lines of a plurality of lighting areas, and the lighting areas are mutually combined and/or overlapped to form a final lighting light shape with the light and shade cut-off lines.

As a specific embodiment of the roller shading structure of the present invention, as shown in fig. 12 and 13, the rotating shafts 12 of adjacent rollers 1 are connected to each other through a universal joint structure 15. The universal joint structure 15 can realize relative bending between adjacent rotating shafts 12 in two different directions without affecting the transmission of the rotating force between the rotating shafts 12, so that the connection state of the plurality of rollers 1 can be set to be the bending state as shown in fig. 12 according to the requirement of module setting. By limiting the position of the rotating shaft 12 of each roller 1, a roller chain with fixed curvature formed by connecting a plurality of rollers 1 can be formed, and the rollers 1 on the roller chain can synchronously rotate under the drive of the same driving motor so as to synchronously switch a plurality of cut-off line forming structures for shielding light rays emitted by different light sources.

As shown in fig. 14-18, an embodiment of the present invention includes a light source 5, a primary optical element 6, a roller shade structure according to any embodiment of the present invention, and a lens 7. The primary optical element 6 may be a mirror as shown in fig. 14 and 15, in which case the light source 5 is disposed at a first focal region of the mirror and the roller shade structure is disposed at a second focal region of the mirror; the primary optical element 6 may be a condenser as shown in fig. 16 to 18, in which case the light source 5 is arranged opposite the light entrance structure 61 of the condenser and the light exit structure 62 of the condenser is arranged opposite the lens 7. The light emitted from the light source 5 is focused by the condenser and then emitted to the lens 7. The roller shading structure is arranged on a light path between the primary optical element 6 and the lens 7 and comprises a roller 1, a roller seat 2 and a mounting plate 3, at least one shading piece 11 is arranged on the roller 1, a cut-off line forming structure is arranged on the shading piece 11, the cut-off line forming structure can shade light on the light path, and the shaded light is projected out through the lens 7 to form an illumination light shape with a light and shade cut-off line. The roller 1 can rotate on the roller base 2 to control whether the light-shielding member 11 shields the light or not, or to switch different light-shielding members 11 for shielding the light. When the plurality of light-shielding members 11 are arranged on the roller 1, different cut-off line forming structures meeting the requirements of different regional regulations can be arranged on different light-shielding members 11, such as an ECE left driving cut-off line forming structure, an ECE right driving cut-off line forming structure and an SAE cut-off line forming structure, so that an ECE left driving lighting light shape, an ECE right driving lighting light shape and an SAE left driving lighting light shape can be respectively formed, and the one world function of the vehicle lamp can be realized. The roller seat 2 can move left and right along the axial direction of the roller 1 on the mounting plate 3 to drive the cut-off line forming structure to move left and right to change the position of the shading piece 11 for shading light in the left and right directions, so that the inflection point of the cut-off line of the formed lighting light shape can move left and right, and the AFS follow-up steering function of the car lamp can be conveniently realized.

In some embodiments of the car light module of the present invention, as shown in fig. 19 and 20, the light source 5 (shown in the figure) is provided with a plurality of light sources, the primary optical element 6 is a light condenser, the light condenser is provided with a plurality of light incident structures 61 and a plurality of light emergent structures 62, the light emergent structures 62 can be arranged as cylindrical light emergent surfaces, each cylindrical light emergent surface corresponds to one light incident structure 61, and each light source 5 corresponds to one light incident structure 61. The roller shading structure is provided with a plurality of rollers 1 with rotating shafts 12 connected with each other, and the plurality of rollers 1 are respectively arranged on the light path between a corresponding light emitting structure 62 and the lens 7. The lens 7 includes a lens light incident surface 71 formed by a plurality of connected lens-like curved surfaces and a smooth lens light emergent surface 72, and the lens-like curved surfaces are free curved surfaces capable of being combined with the lens light emergent surface 72 at corresponding positions to form an optical effect similar to that of a common lens. Each lens-like curved surface corresponds to a columnar light-emitting surface of the condenser. The light emitted by each light source 5 is respectively guided into the condenser through a corresponding light-in structure 61, and is emitted through a corresponding light-out structure 62, and is emitted to a corresponding lens-like curved surface on the lens light-in surface 71 through a corresponding light-shielding member 11 on the roller 1, and is projected out through the lens light-out surface 72 to form an illumination area with a cut-off line, and a plurality of illumination areas with cut-off lines are mutually combined and/or mutually superposed to form the final illumination light shape. The rollers 1 rotate synchronously, so that the cut-off line forming structure corresponding to each illumination area can be switched synchronously, the shapes of the cut-off lines in the final illumination light shapes are switched, and the illumination light shapes meeting the requirements of different regional regulations are formed. The roller seat 2 is moved left and right, so that the synchronous movement of the plurality of rollers 1 in the left and right direction and the movement of the cut-off line forming structure corresponding to each lighting area in the left and right direction can be realized, the inflection point of the cut-off line of the light and shade in the finally formed lighting shape can be moved left and right, and the AFS follow-up steering function is realized.

The utility model also provides an use the utility model discloses the car light of the car light module of any embodiment with used the utility model discloses the vehicle of car light.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "a specific implementation," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present disclosure, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (15)

1. The utility model provides a gyro wheel light-shielding structure, its characterized in that includes gyro wheel (1), gyro wheel seat (2) and mounting panel (3), be provided with at least one light-shielding piece (11) on gyro wheel (1) outer peripheral face, be provided with cut-off line formation structure on light-shielding piece (11), gyro wheel (1) rotatably install on gyro wheel seat (2), install gyro wheel seat (2) on mounting panel (3), and can follow on mounting panel (3) the axial displacement of gyro wheel (1).

2. A roller shade according to claim 1, wherein a rotating shaft (12) is provided on the roller (1) and is mounted on the roller base (2) through the rotating shaft (12), a driving gear (13) is provided on the rotating shaft (12) at one end of the roller (1), a roller driving member (14) is provided on the roller base (2), and a thread engaged with the driving gear (13) is provided on the roller driving member (14).

3. A roller shade according to claim 1, further comprising a movement drive mechanism (4), the movement drive mechanism (4) being arranged on the mounting plate (3) and being capable of driving the roller mount (2) to move on the mounting plate (3).

4. A roller shading structure according to claim 3, wherein the moving driving mechanism (4) comprises a threaded rod (41), a threaded rod driving gear (42) and a threaded rod driving part (43), the roller seat (2) is provided with a driving rack (21), the threaded rod (41) is provided with a thread matched with the driving rack (21), the threaded rod driving gear (42) is fixed on the threaded rod (41), and the threaded rod driving part (43) is provided with a thread matched with the threaded rod driving gear (42) so as to drive the threaded rod driving gear (42) to rotate, thereby driving the threaded rod (41) to rotate.

5. The roller shading structure according to claim 1, wherein the outer surface of the shading member (11) comprises a first cutting surface (111), a second cutting surface (112) and a transition cutting surface (113), the first cutting surface (111) protrudes out of the outer circumferential surface of the roller, the distance from the first cutting surface (111) to the rotation center line of the roller (1) is greater than the distance from the second cutting surface (112) to the rotation center line of the roller (1), the transition cutting surface (113) connects the first cutting surface (111) and the second cutting surface (112), and the first cutting surface (111), the second cutting surface (112) and the transition cutting surface (113) together form the cut-off line forming structure.

6. A roller shade according to claim 5, characterized in that the first cutting surface (111) and the second cutting surface (112) are arranged parallel to the rotation centerline of the roller (1).

7. The roller shade structure according to claim 5, wherein the second cut surface (112) is provided on the left side in the axial direction of the roller (1), and the first cut surface (111) is provided on the right side in the axial direction of the roller (1) so as to be formable into a left-hand drive cut-off line forming structure; or the first cutting surface (111) is arranged on the left side of the roller (1) in the axial direction, and the second cutting surface (112) is arranged on the right side of the roller (1) in the axial direction, so that a right-hand drive cut-off line forming structure can be formed.

8. A roller shade structure according to claim 1, wherein a plurality of the shade members (11) are provided, a plurality of the shade members (11) are provided at intervals in a circumferential direction of the roller (1), and the cut-off line forming structures on the plurality of shade members (11) are different from each other.

9. The roller shade structure according to claim 8, wherein the cut-off line forming structures on the plurality of shade members (11) include an ECE left-hand cut-off line forming structure, an ECE right-hand cut-off line forming structure, and an SAE cut-off line forming structure.

10. A roller shade according to any one of claims 1 to 9, wherein the rollers (1) are plural, and the plural rollers (1) are axially connected to each other so as to enable the plural rollers (1) to rotate in synchronization.

11. A roller shade according to claim 10, characterized in that the rollers (1) are provided with spindles (12), and the spindles (12) between two adjacent rollers (1) are connected to each other by a universal joint structure (15).

12. A vehicle lamp module comprising a light source (5), a primary optical element (6), a roller shade structure according to any one of claims 1 to 11, and a lens (7) arranged in this order along a light exit direction.

13. The vehicle lamp module according to claim 12, wherein a plurality of light sources (5) are provided, the primary optical element (6) is a condenser, the condenser includes a plurality of light incident structures (61) and a plurality of light emergent structures (62), the roller shading structure includes a plurality of rollers (1), and each light source (5) corresponds to one light incident structure (61), one light emergent structure (62) and one roller (1).

14. A vehicular lamp characterized by comprising the vehicular lamp module according to claim 12 or 13.

15. A vehicle characterized by comprising the lamp according to claim 14.

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