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CN-122015049-A - Dynamic light blanket device and vehicle

CN122015049ACN 122015049 ACN122015049 ACN 122015049ACN-122015049-A

Abstract

The application discloses a dynamic light blanket device, which relates to the technical field of automobiles and comprises a fixed support, a light blanket module and a driving module, wherein the fixed support is fixedly assembled on a vehicle body, the light blanket module is rotatably assembled on the fixed support through a rotating shaft, the light blanket module can rotate around the rotating shaft along a first direction under the driving of the driving module, the projection of a projection window is dynamically changed in the rotating process to form dynamic visual experience, when the light blanket module is in a working position, the projection window projects a pattern outwards and dynamically changes along with the movement of the light blanket module, when the light blanket module is not needed, the light blanket module is in a folded position, the projection window of the light blanket module is shielded by the fixed support, so that the projection window is prevented from being polluted by external muddy water and other pollutants, and the projection window cannot normally project light due to pollution.

Inventors

  • SHANG LINJIANG
  • TANG XIANHONG

Assignees

  • 科世达(上海)机电有限公司
  • 上海科世达-华阳汽车电器有限公司

Dates

Publication Date
20260512
Application Date
20260327

Claims (10)

  1. 1. A dynamic light blanket apparatus, comprising: a fixing bracket (10) fixedly assembled to the vehicle body; a light blanket module (20) rotatably assembled to the fixed bracket (10) around a rotation axis along a first direction, wherein the light blanket module (20) is provided with a projection window for projecting a pattern; The driving module (30) is fixedly assembled on the fixed support (10), and an output shaft (330) of the driving module (30) is connected to the light blanket module (20) to drive the light blanket module (20) to rotate around the rotating shaft in the first direction; when the light blanket module (20) is in a folded position, a projection window of the light blanket module (20) is shielded by the fixed support (10), and when the light blanket module (20) is in a working position, the projection window of the light blanket module (20) projects a pattern outwards.
  2. 2. The dynamic light blanket device according to claim 1, wherein the fixed bracket (10) comprises a first side plate (110), a second side plate (120), a third side plate (130), the first side plate (110) and the third side plate (130) being perpendicular to the first direction, the second side plate (120) being parallel to the first direction; When the light blanket module (20) is retracted, a projection window of the light blanket module (20) is shielded by the second side plate (120).
  3. 3. Dynamic light blanket device according to claim 2, wherein the second side plate (120) is provided with a stopper (121), which stopper (121) blocks the light blanket module (20) when stowed.
  4. 4. Dynamic light blanket device according to claim 2, wherein the driving module (30) comprises a motor (310) and a reduction gearbox (320), the motor (310) reducing the output rotation speed by means of the reduction gearbox (320), the reduction gearbox (320) being adapted to drive the output shaft (330) in rotation.
  5. 5. The dynamic light blanket device according to any of claims 1 to 4, further comprising a damping module (40), said damping module (40) comprising a damping shell (410), a damping shaft (420), an elastic member (430), a sliding friction plate (440), said damping shell (410) being fixed to said fixed bracket (10), said damping shaft (420) being rotatably mounted to said damping shell (410) in said first direction, said damping shaft (420) being mounted to said light blanket module (20); The sliding friction plate (440) is fixedly assembled on the damping shaft (420) in the circumferential direction, the elastic piece (430) applies elastic force to the sliding friction plate (440) along the first direction, and the sliding friction plate (440) contacts the damping shell (410) to generate damping.
  6. 6. The dynamic light blanket device of claim 5, wherein the damping shell (410) comprises a base shell (411) and a gland (412), the gland (412) is threadedly mounted to the base shell (411), the gland (412) contacts the sliding friction plate (440) to produce damping; The gland (412) is used for adjusting the elastic force of the elastic piece (430).
  7. 7. The dynamic light blanket device of claim 6, wherein said damping module (40) further comprises a fixed friction plate (450), said fixed friction plate (450) being located between a bottom plate of said base housing (411) and said elastic member (430); the fixed friction plate (450) is fixedly assembled to the base shell (411) in the circumferential direction.
  8. 8. The dynamic light blanket device according to claim 7, wherein a first limit groove (4111) is formed in an inner wall of the base housing (411), a first limit block (451) is convexly formed at an outer ring edge of the fixed friction plate (450), and the first limit block (451) and the first limit groove (4111) are slidably inserted in the first direction and limit circumferentially around the rotating shaft; the outer surface of the damping shaft (420) is provided with a second limiting groove (421), the edge of the inner ring of the sliding friction plate (440) is convexly provided with a second limiting block (441), and the second limiting block (441) and the second limiting groove (421) are slidably inserted in the first direction and circumferentially limited around the rotating shaft.
  9. 9. The dynamic light blanket device of any of claims 1 to 4, wherein the light blanket module (20) comprises a light blanket housing (210), a light homogenizing sheet (220), a single convex lens (230), a fixed distance sleeve (240), a lenticular lens (250), a light source distance sleeve (260), a light guiding post assembly (270), a PCB holder (280), a light bead PCB assembly (290), a back cover (2010); the lamp bead PCB assembly (290) provides a surface light source, the end face of one side far away from the lamp beads uniformly emits light after being subjected to light homogenization through the light guide column assembly (270), the single convex lens (230) and the double convex lens (250) image the end face of one side far away from the lamp beads on the ground to form a light blanket pattern, and the front surface and the rear surface of the single convex lens (230) and the double convex lens (250) are aspheric surfaces.
  10. 10. A vehicle comprising a dynamic light blanket device according to any of claims 1 to 9; the vehicle controller controls the driving module (30) to work based on the automobile key distance signal, the automobile key button signal, the intelligent equipment distance signal, the intelligent equipment control signal and the voice command, so that the light blanket module (20) is driven to rotate.

Description

Dynamic light blanket device and vehicle Technical Field The invention relates to the technical field of automobiles, in particular to a dynamic light blanket device and a vehicle. Background The welcome light blanket is a miniature projector arranged on a vehicle, and a bright area with a certain pattern shape is projected on the ground at the moment of unlocking or opening, so that illumination is provided, and emotional value is also provided. At present, an automobile illumination light blanket basically has no dynamic effect, people have no interaction with the automobile illumination light blanket, along with the development of automobile intellectualization, people have new demands on the interactivity of the light blanket, and the dynamic light blanket can greatly improve the interaction requirements of the automobile light blanket and a driver and passengers. The light blanket device is exposed to the outside, and after the automobile runs for a period of time, the window of the light blanket is easily covered by soil and dust, and light cannot be normally projected. Disclosure of Invention The application provides a dynamic light blanket device, which can generate dynamic change effect on a light blanket and can shield and protect a projection window at a folding position, and the specific scheme is as follows: A dynamic light blanket device, comprising: a fixing bracket fixedly assembled to the vehicle body; the light blanket module is rotatably assembled on the fixed bracket around a rotating shaft along a first direction, and is provided with a projection window for projecting patterns; The driving module is fixedly assembled on the fixed support, and an output shaft of the driving module is connected with the light blanket module to drive the light blanket module to rotate around the rotating shaft in the first direction; When the light blanket module is in a folded position, the projection window of the light blanket module is shielded by the fixed support, and when the light blanket module is in a working position, the projection window of the light blanket module projects a pattern outwards. Optionally, the fixing bracket comprises a first side plate, a second side plate and a third side plate, the first side plate and the third side plate are perpendicular to the first direction, and the second side plate is parallel to the first direction; When the light blanket module is retracted, the projection window of the light blanket module is shielded by the second side plate. Optionally, the second side plate is provided with a limiting block, and the light blanket module is blocked and limited by the limiting block when being retracted. Optionally, the driving module comprises a motor and a reduction gearbox, wherein the motor reduces the output rotating speed through the reduction gearbox, and the reduction gearbox is used for driving the output shaft to rotate. Optionally, the light blanket module further comprises a damping module, wherein the damping module comprises a damping shell, a damping shaft, an elastic piece and a sliding friction plate, the damping shell is fixed on the fixed bracket, and the damping shaft is rotationally assembled on the damping shell along the first direction; The sliding friction plate is circumferentially and fixedly assembled on the damping shaft, the elastic piece applies elastic force to the sliding friction plate along the first direction, and the sliding friction plate contacts the damping shell to generate damping. Optionally, the damping shell comprises a base shell and a gland, wherein the gland is assembled on the base shell in a threaded manner, and the gland contacts the sliding friction plate to generate damping; the gland is used for adjusting the elasticity of the elastic piece. Optionally, the damping module further comprises a fixed friction plate, wherein the fixed friction plate is positioned between the bottom plate of the base shell and the elastic piece; the fixed friction plate is circumferentially and fixedly assembled on the base shell. Optionally, a first limit groove is formed in the inner wall of the base shell, a first limit block is arranged on the edge of the outer ring of the fixed friction plate in a protruding mode, and the first limit block and the first limit groove are inserted in a sliding mode along the first direction and limit circumferentially around the rotating shaft; The outer surface of the damping shaft is provided with a second limiting groove, the edge of the inner ring of the sliding friction plate is convexly provided with a second limiting block, and the second limiting block and the second limiting groove are in sliding insertion along the first direction and are limited around the circumference of the rotating shaft. Optionally, the light blanket module comprises a light blanket shell, a light homogenizing sheet, a single convex lens, a fixed distance sleeve, a biconvex lens, a light source distance sleeve,