CN210050729U

CN210050729U - Vehicle lighting device and vehicle

Info

Publication number: CN210050729U
Application number: CN201920726089.8U
Authority: CN
Inventors: 祝贺; 仇智平; 张大攀
Original assignee: HASCO Vision Technology Co Ltd
Current assignee: HASCO Vision Technology Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-02-11
Anticipated expiration: 2029-05-20

Abstract

The utility model relates to a vehicle lighting system, discloses a vehicle lighting device, which comprises a light source (1), a rotary actuator (3) and a controller; the light source (1) comprises a plurality of independent light emitting units (11) and is arranged on a rotating shaft of the rotating actuator (3); the controller is suitable for controlling the on and off of each light-emitting unit (11) at a specified time according to the rotating speed of the rotary actuator (3) so as to form different light types. The LED lamp has the advantages of small quantity of light sources, good heat dissipation performance and many luminous light types. The utility model also discloses a contain the utility model discloses a vehicle lighting device's vehicle.

Description

Vehicle lighting device and vehicle

Technical Field

The utility model relates to a vehicle lighting system specifically relates to a vehicle lighting device. The utility model discloses still relate to a vehicle.

Background

In recent years, the matrix type headlamp lighting technology is gradually developed, the driving safety is improved, and a foundation is laid for intelligent driving. In addition, the signal lamp with pixels is also developed to a certain extent, and the signal lamp is multi-pixelized, so that the functions and the forms of the signal lamp become more diversified, and the signal lamp has more scientific and technological sense and future sense.

The matrix type headlamp is characterized in that the light shape of the lamp is divided into a plurality of light shape areas, the light shape can be changed according to the environment where the vehicle is located, dazzling of other road users is avoided, visual experience of the driver of the vehicle is improved, and driving safety is improved.

The matrix type headlamps or the pixelized signal lamps in the prior art mostly adopt matrix type luminous units, and the luminous units in multiple rows and multiple columns correspond to corresponding illumination areas or corresponding pixels. However, the area of the existing light emitting units is still large, and a large gap exists between adjacent light emitting units, so that a plurality of primary optical elements are required to be arranged corresponding to each light emitting unit, and light emitted by each light emitting unit is guided to a compact area, so that the function of a matrix type headlamp or a pixilated signal lamp is realized.

The technical scheme mainly has the following defects: (1) a large number of light-emitting units and primary optical elements are arranged, so that the cost is high, and the size and the weight are large; (2) the arrangement of a large number of light-emitting units ensures that the lighting device has high heat, the light-emitting areas are concentrated, and the heat dissipation is difficult, and a large number of primary optical elements made of high polymer materials are easily influenced by heat; (3) the lighting device is provided with a large number of light-emitting units, so that the lighting device is adaptive, the radiator is also large, and a radiating fan is required to be arranged, so that the lighting device occupies a large space.

There is also a technology of using a few light emitting units to emit light, reflecting the light emitted from each light emitting unit to a certain area by a rotatable reflector, and implementing the illumination of a plurality of illumination areas or an area display function by controlling the on and off of each light emitting unit. Compared with the traditional matrix type headlamp or the pixel signal lamp, the number of the luminous units is reduced, but the following defects still exist: (1) the lighting device is provided with the light-emitting unit, the rotating reflector and the corresponding bracket, so that the whole space occupation of the lighting device is large; (2) the structure of the rotating reflector is complex, and particularly, the design and processing difficulty of the reflecting surface corresponding to the light reflecting area is large. The defect that the structure of the lighting device is not simple enough exists, and the large-scale expansion and popularization of the market are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vehicle lighting device is provided, can realize the function of matrix headlight or pixelization signal lamp with less luminescence unit, simple structure.

Furthermore, the utility model discloses the technical problem that still need solve provides a vehicle.

In order to solve the above technical problem, an aspect of the present invention provides a vehicle lighting device, including a light source, a rotary actuator, and a controller; the light source comprises a plurality of independent light emitting units and is arranged on a rotating shaft of the rotary actuator; the controller is suitable for respectively controlling the on and off of each light-emitting unit at a specified time according to the rotating speed of the rotary actuator so as to form different light shapes.

Preferably, the vehicle lighting device of the present invention further comprises a mounting plate, wherein the mounting plate is fixed to the rotating shaft of the rotary actuator, and the light source is mounted to the mounting plate. Through this preferred technical scheme, can guarantee better the steady rotation of light source is abundant the mode of setting up of light source can also improve the installation intensity of light source guarantees vehicle lighting device's stability.

Preferably, the light emitting units on the light source are linearly arranged along a rotation circumference of one side of the rotation axis. In the preferred technical scheme, the position relation of the light-emitting units is relatively simple, and the on-off control of each light-emitting unit is convenient.

Preferably, the light emitting units of the light source are linearly arranged on more than two symmetrical radii along the rotation axis to the rotation circumference, and each light emitting unit is located on a different rotation radius. Through this preferred technical scheme, can overcome the restriction in the area that luminescence unit occupies and the clearance between the adjacent luminescence unit, increase the density of setting on the radius of rotation of luminescence unit, effectively improve vehicle lighting device's irradiation precision or the resolution ratio that shows.

Preferably, the light emitting unit is an LED. In this preferred embodiment, the LED has high luminous efficiency, can be turned on and off at a very high frequency, can be used as an illumination light source in high-luminance light emission, and can be used as a signal light source in low-luminance light emission.

Preferably, the vehicle lighting device of the present invention further includes a lens, and the light emitted from the light emitting unit forms a specific light shape under projection of the lens. In this preferred technical scheme, through lens can be with the utility model discloses a light that vehicle lighting device sent projects the road surface, forms multiple different light shape on the road surface.

Preferably, the axis of rotation is parallel to the optical axis of the lens. Through the preferred technical scheme, the light shape deformation generated after the light rays of the light emitted by the light-emitting unit are projected by the lens is small, and the light shape generated by the light-emitting unit can be well reproduced.

Preferably, the rotation axis is aligned with an optical axis of the lens. Through this preferred technical scheme, the light that the luminescence unit sent can be projected the dead ahead of lens better.

Preferably, the mounting plate is circular, the center of the mounting plate is mounted on the rotating shaft of the rotary actuator, and the light emitting units on the light source are arranged along the radial direction of the mounting plate. Through the preferable technical scheme, the resistance of the mounting plate during rotation is small, and the rotation is stable; the plurality of light-emitting units can be arranged into various shapes according to requirements, and the position adjustment of the light-emitting units is also convenient.

The utility model discloses the second aspect provides a vehicle, and this vehicle includes the utility model discloses the vehicle lighting device that the first aspect provided.

Through the technical scheme, the utility model discloses a vehicle lighting device has used and has compared in matrix headlight or the many less a plurality of pixellization signal lamp luminescence unit has realized the function of matrix headlight or pixellization signal lamp, simple structure, low cost, and control is convenient, and the volume is less and the radiating effect is good. The utility model discloses an optimal technical scheme has improved vehicle lighting device's resolution ratio and stability, has promoted and has throwed or display effect. The utility model discloses a vehicle has used the utility model discloses a vehicle lighting device also has above-mentioned advantage.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a side view of an embodiment of the invention;

fig. 4 is a schematic view of the rotation state of the embodiment of the present invention;

FIG. 5 is a schematic view of another embodiment of the present invention;

FIG. 6 is a schematic view of two groups of light-emitting units arranged in the diameter direction;

FIG. 7 is a schematic view of the three groups of light-emitting units symmetrically arranged in the radial direction;

fig. 8 is a schematic view of the radial symmetric arrangement of the multiple groups of light-emitting units according to the present invention.

Description of the reference numerals

1 light source 11 light emitting unit

2 mounting plate 3 rotary actuator

4 lens 5 support

Detailed Description

In the present invention, unless otherwise specified, the positional or orientational relationships indicated by the terms "upper" and "lower" are based on the positional or orientational relationships shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 to 3, a basic embodiment of the vehicle lighting device of the present invention includes a light source 1, a rotary actuator 3, and a controller. The light source 1 is provided with a plurality of light emitting units 11 which are arranged in sequence and can independently emit light. The light emitting unit 11 is selected from light emitting elements capable of rapid light emission and rapid light extinction, and preferably light emitting elements having sufficient light emission intensity and a small volume. The utility model discloses in can choose for use LED, laser diode etc.. The light source 1 is attached to a rotation shaft of the rotary actuator 3 and can be rotated at high speed by the drive of the rotary actuator 3. The plurality of light emitting units 11 are arranged from the rotation center of the light source 1 to the outer periphery, and in the present embodiment, the specific arrangement of the light emitting units 11 is not limited, but the linear distance of the outermost light emitting unit 11 from the rotation center determines the light emitting range. The gaps between the light emitting units 11 may be equal or unequal, and may be adjusted by those skilled in the art according to the optical performance. In order to maintain the balance of the light source 1 in the high-speed rotation state, a corresponding blank area needs to be reserved on the opposite side of the light emitting unit 11 arrangement area of the light source 1. The rotary actuator 3 is a rotary driving device capable of rotating at a high speed and feeding back a rotation state, such as a dc motor with a rotation speed feedback electrode. A rotation driving device such as a servo motor whose rotation speed can be precisely controlled may also be used. The controller (not shown in the drawings) can receive the rotation speed signal of the rotary actuator 3 and respectively control the light-emitting units 11 to be turned on or off at a specified time according to the rotation speed of the rotary actuator 3, so that the light-emitting units are in the same on-off state at the same rotating position within a certain time, and a fixed light shape is formed under the action of the persistence of vision principle. The light shape formed by changing the on-off state of each light-emitting unit 11 at a specified time can be changed; the on-off state of each light-emitting unit 11 in the unit time period is controlled to change slowly according to a certain rule, and animation light shapes can be formed. When the rotating speed of the rotary actuator 3 reaches 25 revolutions per second, namely 1500 revolutions per minute, a more stable light shape can be formed. The higher the rotation speed of the rotary actuator 3, the better the stability of the light shape, and in the present embodiment, a rotation speed of 3000 rpm is recommended. As shown in fig. 4, the rotary actuator 3 can rotate clockwise or counterclockwise, and the rotation direction is only related to the control program of the controller and does not affect the implementation of the functions of the present invention. The increase of 11 numbers of light emitting units per unit length can improve the illumination accuracy or display resolution of the vehicle lighting device of the present invention. The use can send the luminescence unit 11 of high luminance white light, the utility model discloses a vehicle lighting device can be used for replacing the matrix headlight, uses lower luminance colour luminescence unit 11, the utility model discloses a vehicle lighting device can be used for replacing pixelization signal lamp. The controller uses a 51-series single chip microcomputer which is widely used at present, and the MCS-51 single chip microcomputer is used in the embodiment, the control and programming method of the controller is well known to those skilled in the relevant field, and the present invention is not improved in this respect, so the details are not described herein.

As shown in fig. 1-3, the lighting device of the present invention can further include a bracket 5, and the rotary actuator 3 is mounted on the bracket 5 and fixed to the lamp body through the bracket 5. The related components are connected by conventional connection methods such as welding, riveting, screw connection or gluing, and the like, so as to achieve the functions described in the specification. The power supply 1 is powered by existing power supply devices which can be rotated, preferably by conductive slip rings, to power the power supply 1. The power supply structure is not shown in the drawings. The controller may be integrated on the circuit board of the power supply 1, or may be integrated in the rotary actuator 3, or may be externally connected to the apparatus in the form of a separate circuit board.

On the basis of the above basic embodiment, as shown in fig. 1 to 3, an embodiment of the vehicle lighting device of the present invention further includes a mounting plate 2, a center of the mounting plate 2 is fixed on a rotation axis of the rotary actuator 3, and the light source 1 is mounted on the mounting plate 2, so that the light emitting units 11 on the light source 1 are arranged along the center of the mounting plate 1 toward an edge of one side. When the rotary actuator 3 rotates, the mounting plate 2 is driven to rotate, and then the light source 1 is driven to rotate around the rotating shaft of the rotary actuator 3. The mounting plate 2 can be made of an insulating material with a certain mechanical strength, and preferably made of a high-thermal-conductivity insulating plastic, so that the mounting plate can be well fixed on a rotating shaft of the rotary actuator 3, and can better support the light source 1, prevent the light source 1 from vibrating or deforming in a high-speed rotating process, and ensure the stability of the formed light shape.

In some embodiments of the vehicle lighting device of the present invention, as shown in fig. 1 to 4, the light emitting units 11 on the light source 1 are linearly arranged along the rotation circumference of one side of the rotation axis of the rotary actuator 3. At this time, the light emitting units 11 are arranged along a radius of the circle of rotation of the light source 1, the locus of rotation of each light emitting unit 11 forms a circle for each rotation of the rotary actuator 3, and each light emitting unit 11 is on the same radius of the circle of rotation of the light source 1 at each moment in the process of rotation. Therefore, the position relationship of the light emitting units 11 is relatively simple, and the controller is simple and convenient to control the on and off of each light emitting unit 11 when the light shape is formed.

In some embodiments of the vehicle lighting device of the present invention, the light emitting units 11 of the light source 1 are linearly arranged on two or more symmetrical radii along the rotation axis of the rotation actuator 3, and each of the light emitting units is located on a different rotation radius. As shown in fig. 6, the light emitting units 11 of the light source 1 may be arranged linearly along a line segment having the rotation axis of the rotary actuator 3 as a midpoint, that is, the light emitting units 11 may be arranged at two symmetrical radii of a rotation circle generated by the rotation of the light source 1 around the rotation axis of the rotary actuator 3. As shown in fig. 7, the light emitting units 11 of the light source 1 may be arranged along three equal-length line segments of 120 ° in sequence from the rotation axis of the rotary actuator 3, that is, the light emitting units 11 may be arranged at three centrosymmetric radii of a rotation circle generated by the rotation of the light source 1 around the rotation axis of the rotary actuator 3. Since the light emitting units 11 occupy a certain area and a certain gap exists between adjacent light emitting units 11, the number of light emitting units 11 that can be disposed in one radial direction is limited, and thus the accuracy of the illumination light shape or the resolution of the display of the vehicle illumination device is limited. By arranging the light emitting units 11 on a plurality of radii and positioning each light emitting unit 11 on a different rotation radius, the arrangement density of the light emitting units 11 on the same radius is increased by performing the differential control on the light emitting units 11 on different radii, and the illumination precision or the display resolution of the vehicle lighting device can be effectively improved. The arrangement of the light emitting units 11 on symmetrical radii can ensure the balance of the light source 1 in a rotating state, and the controller is convenient to program.

Of course, the light emitting units 11 corresponding to different radii may be located on the same rotation radius. In this state, the rotary actuator 3 can make the light emitting unit 11 cover the whole circle of rotation only by rotating one half (the light emitting unit 11 is located on two radii) or one third (the light emitting unit 11 is located on three radii), the rotary actuator 3 can make the light emitting unit 11 scan three times on the same circle by rotating one circle, the brightness of the vehicle lighting device is greatly improved, and the precision or the resolution ratio is not changed.

As an embodiment of the vehicle lighting device of the present invention, the light emitting unit 11 employs an LED. With the appearance of the LED element with small light-emitting area and high light-emitting power, the LED has been widely used in the field of vehicle lamps due to its high light-emitting efficiency and low heat generation. And LED's luminous response time is very fast, and the switching frequency of putting on or off is high, all is comparatively fit for being in the utility model discloses an use among the vehicle lighting device. Choose colored LED for use, the utility model discloses a vehicle lighting device can be used as the pixelized signal lamp that can show color image.

In some embodiments of the present invention, as shown in fig. 1-3, the vehicle lighting device of the present invention is further provided with a lens 4, and the lens 4 is used for projecting the light emitted from the light source 1 to form a specific light shape. The light source 1 is disposed near the focal position of the lens 4. The lens 4 can be made of glass, plastic, rubber and other materials; a single-sided convex lens as shown in fig. 1 to 3, a double-sided lens, or a lens group composed of several lenses may be used. Based on the imaging principle of the lens, when the lens is used, the light shape projected on the road surface is opposite to the light shape emitted by the light source 1, and the program for controlling the light-emitting unit 11 to be turned on and off by the controller needs to be programmed again.

At this time, the light source 1 may be further provided in an arc shape as shown in fig. 5, and the plurality of light emitting units 11 are arranged along an arc surface outward from the rotational axis of the rotary actuator 3. This is more suitable for the imaging principle of the lens, and avoids the distortion of the light shape formed by the light source 1 at the edge part due to the large aberration of the light emitting unit 11 corresponding to the outer side of the lens.

In some embodiments of the inventive vehicle lighting arrangement, the axis of rotation of the rotary actuator 3 is parallel to the optical axis of the lens 4. Preferably, the rotation axis of the rotary actuator 3 is collinear with the optical axis of the lens 4. When the rotation axis of the rotary actuator 3 is on the same straight line with the optical axis of the lens 4, the light emitted from the light source 1 is projected right in front of the lens 4, and the deformation of the light shape is small. The rotation axis of the rotary actuator 3 is parallel to the optical axis of the lens 4 but offset in order to adjust the position of the light shape and the coupling between the light shapes of the parts. The deviation between the two is not too large, and is generally a deviation of millimeter level.

As an embodiment of the vehicle lighting device of the present invention, as shown in fig. 8, the mounting plate 2 may be designed to be circular, the center of circle of the mounting plate 2 is fixed on the rotating shaft of the rotary actuator 3, and the light source 1 is arranged from the center of circle of the mounting plate 2 to the circumferential direction. Fig. 8 shows that the light sources 1 are arranged on 6 symmetrical radii. The light source 1 arrangement mode can also adopt a plurality of arrangement modes from the circle center to the circumference, such as inclined arrangement, involute arrangement, and the like, and the relative position of each light-emitting unit 11 on the circumference can also be various, so as to enrich the utility model discloses a vehicle lighting device's illumination and/or signal function.

Through the technical scheme, the utility model discloses a vehicle lighting device has used and has compared in matrix headlight and the much less luminescence unit 11 of pixelization signal lamp, adopts the rotatory luminous mode, has realized the function corresponding with matrix headlight and/or pixelization signal lamp on great area. Since the number of light-emitting units used is small and complex primary optical units and heat dissipation devices are omitted, the space occupation of the vehicle lighting device and the weight of the device are effectively reduced. The simple mode that the light source 1 rotates under the driving of the rotary actuator 3 and controls the on-off states of the light-emitting units 11 at different rotating moments through the controller is adopted, different light shapes are formed by utilizing the persistence of vision principle, the structure is relatively simple, and the realization is relatively convenient. Every luminescence unit 11 all is in the rotation state in the course of the work, and the luminescence produced heat of luminescence unit 11 can transmit the air betterly, therefore the utility model discloses a vehicle lighting device heat dispersion is splendid, need not to use additional heat abstractor. Based on the above-mentioned reason, the utility model discloses a vehicle lighting device's realization cost is also lower than lower.

The utility model discloses an among the preferred technical scheme, each luminescence unit 11 is followed rotatory axial rotation circumference is linear arrangement on the radius of two above symmetries to every luminescence unit 11 is located the technical scheme on the rotation radius of difference, can improve the luminous precision of device effectively, can form more careful light shape or display resolution. The use of the circular mounting plate 2 enriches the arrangement of the light emitting units 11 of the light source 1, enhances the rotational stability of the light source 1, and can reduce the rotational resistance.

The utility model discloses a vehicle is owing to used the utility model discloses a vehicle lighting device also has above-mentioned advantage.

In the description herein, references to the description of the term "one embodiment," "some embodiments," or "an implementation" or the like, mean that a particular feature in connection with the embodiment or implementation is included in at least one embodiment or implementation of the present invention. The above-described schematic representations of terms are not necessarily intended to be the same embodiment or implementation. Furthermore, the particular features described may be combined in any suitable manner in any one or more of the embodiments or implementations. Furthermore, those of skill in the art may combine and combine features of different embodiments or implementations and features of different embodiments or implementations in this specification without contradiction.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A vehicle lighting device, characterized by comprising a light source (1), a rotary actuator (3) and a controller; the light source (1) comprises a plurality of independent light emitting units (11) and is arranged on a rotating shaft of the rotating actuator (3); the controller is suitable for controlling the on and off of each light-emitting unit (11) at a specified time according to the rotating speed of the rotary actuator (3) so as to form different light shapes.

2. The vehicle lighting device according to claim 1, further comprising a mounting plate (2), the mounting plate (2) being fixed on a rotation axis of the rotary actuator (3), the light source (1) being mounted on the mounting plate (2).

3. The vehicular illumination device according to claim 1 or 2, characterized in that the respective light emitting units (11) on the light source (1) are linearly arranged along a rotation circumference of one side of the rotation axis.

4. The vehicle lighting device according to claim 1 or 2, wherein the respective light emitting units (11) of the light source (1) are linearly arranged on two or more symmetrical radii along the rotational axis to the rotational circumference, and each light emitting unit (11) is located on a different rotational radius.

5. The vehicle lighting device according to claim 1 or 2, characterized in that the light emitting unit (11) is an LED.

6. The vehicle lighting device according to claim 1 or 2, further comprising a lens (4), wherein the light emitted from the light emitting unit (11) forms a specific light shape projected by the lens (4).

7. A vehicle lighting arrangement according to claim 6, characterized in that the axis of rotation is parallel to the optical axis of the lens (4).

8. A vehicle lighting device according to claim 7, wherein the rotation axis is in line with the optical axis of the lens (4).

9. The vehicular illumination device according to claim 2, wherein the mounting plate (2) is circular, the center of the mounting plate (2) is mounted on the rotation axis of the rotary actuator (3), and the respective light emitting units (11) on the light source (1) are arranged in the radial direction of the mounting plate (2).

10. A vehicle characterized by comprising the vehicle lighting device according to any one of claims 1 to 9.