CN218473449U - Anti-dazzle device for projection lamp in vehicle - Google Patents
Anti-dazzle device for projection lamp in vehicle Download PDFInfo
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- CN218473449U CN218473449U CN202221456277.1U CN202221456277U CN218473449U CN 218473449 U CN218473449 U CN 218473449U CN 202221456277 U CN202221456277 U CN 202221456277U CN 218473449 U CN218473449 U CN 218473449U
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Abstract
The utility model relates to the technical field of projection lamps, in particular to an anti-glare device for a projection lamp in a vehicle, which comprises an object detection sensor and a controller; the method comprises the steps that an object detection sensor is arranged in a vehicle, the sensing range of the object detection sensor covers the projection range of a projection lamp in the vehicle, and the object detection sensor and the projection lamp in the vehicle are respectively and electrically connected with a controller. The object detection sensor is used for detecting whether someone is close to the projection lamp in the car, and once detecting someone is close to, then feed back to the controller, the controller then controls the running state of projection lamp in the car according to the parameter that sets up in advance, if close projection lamp in the car, reduce the luminance of projection lamp in the car or switch to the light source of low luminance all can to reach the effect of effectively avoiding the highlight to cause the injury to people's eye.
Description
Technical Field
The utility model relates to a projection lamp technical field especially relates to an interior projection lamps and lanterns anti-dazzle arrangement of car.
Background
In order to achieve a good projection effect, a conventional in-vehicle projection lamp usually needs a strong light source. However, direct vision of the light source by the human eye can cause significant glare and even laser type light sources can cause harm to the human eye.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that an in-vehicle projection lamp anti-dazzle device is provided, the strong light can be effectively avoided causing the injury to the human eyes.
In order to solve the technical problem, the utility model discloses a technical scheme be:
an in-vehicle projection lamp anti-glare device comprises an object detection sensor and a controller; the sensing range of the object detection sensor covers the projection range of the projection lamp in the vehicle, and the object detection sensor and the projection lamp in the vehicle are respectively and electrically connected with the controller.
Furthermore, the induction central axis of the object detection sensor and the projection central axis of the projection lamp in the vehicle are coaxially arranged.
Furthermore, the induction field angle range of the object detection sensor is 10% -20% larger than the projection field angle range of the projection lamp in the vehicle.
Further, the model of the object detection sensor is a TMF8828 sensor, the model of the controller is S32K116, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus.
Further, the projection lamp in the vehicle comprises a projection lamp LED light source and a film projection lamp matched with the projection lamp LED light source, and a dimming signal output pin of the controller is electrically connected with the projection lamp LED light source.
Furthermore, the model of the object detection sensor is a TMF8828 sensor, the model of the controller is RH850/D1M1A, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus.
Further, the projection lamp includes projection lamp LED light source and with projection lamp LED light source complex DLP projection lamp or Laser MEMS projection lamp in the car, the signal output pin of adjusting luminance of controller is connected with projection lamp LED light source electricity, the demonstration output pin and DLP projection lamp or Laser MEMS projection lamp electricity of controller are connected.
Further, the object detection sensor is an ultrasonic sensor, a ToF sensor, a millimeter wave radar sensor or a capacitive sensing sensor, the type of the controller is RH850/D1M1A, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus, an SPI bus or a UART bus.
Further, the projection lamp in the car includes projection lamp LED light source and with projection lamp LED light source complex DLP projection lamp or Laser MEMS projection lamp, the signal output pin of adjusting luminance of controller is connected with projection lamp LED light source electricity, the display output pin and DLP projection lamp or Laser MEMS projection lamp electricity of controller are connected.
The beneficial effects of the utility model reside in that:
the utility model provides an anti-glare device for projection lamps in a vehicle, which comprises an object detection sensor and a controller; the method comprises the steps of arranging an object detection sensor in a vehicle, wherein the sensing range of the object detection sensor covers the projection range of a projection lamp in the vehicle, and the object detection sensor and the projection lamp in the vehicle are respectively and electrically connected with a controller. The object detection sensor is used for detecting whether someone is close to the projection lamp in the car, and once detecting someone is close to, then feed back to the controller, the controller then controls the running state of projection lamp in the car according to the parameter that sets up in advance, if close projection lamp in the car, reduce the luminance of projection lamp in the car or switch to the light source of low luminance all can to reach the effect of effectively avoiding the highlight to cause the injury to people's eye.
Drawings
Fig. 1 is a schematic connection diagram of an anti-glare device for an in-vehicle projection lamp according to the present invention;
fig. 2 is a schematic connection diagram of an anti-glare device for an in-vehicle projection lamp according to the present invention;
fig. 3 is a schematic connection diagram of an anti-glare device for an in-vehicle projection lamp according to the present invention;
fig. 4 is a schematic view of a scene of the anti-glare device for the projection lamp in the vehicle of the present invention;
fig. 5 is a schematic view of a scene of an anti-glare device for an in-vehicle projection lamp according to the present invention;
description of reference numerals:
1. an object detection sensor; 2. a controller; 3. projection lamp in the car.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, an anti-glare device for an in-vehicle projection lamp of the present invention includes an object detection sensor 1 and a controller 2; the sensing range of the object detection sensor covers the projection range of the projection lamp 3 in the vehicle, and the object detection sensor 1 and the projection lamp 3 in the vehicle are respectively and electrically connected with the controller 2.
From the above description, the beneficial effects of the present invention are:
the utility model provides an anti-glare device for projection lamps in a vehicle, which comprises an object detection sensor and a controller; the method comprises the steps that an object detection sensor is arranged in a vehicle, the sensing range of the object detection sensor covers the projection range of a projection lamp in the vehicle, and the object detection sensor and the projection lamp in the vehicle are respectively and electrically connected with a controller. The object detection sensor is used for detecting whether someone is close to the projection lamp in the car, and once detecting someone is close to, then feed back to the controller, the controller then controls the running state of projection lamp in the car according to the parameter that sets up in advance, if close projection lamp in the car, reduce the luminance of projection lamp in the car or switch to the light source of low luminance all can to reach the effect of effectively avoiding the highlight to cause the injury to people's eye.
Furthermore, the induction central axis of the object detection sensor and the projection central axis of the projection lamp in the vehicle are coaxially arranged.
From the above description, it can be known that the above structure arrangement can make the sensing range and the projection range more uniformly covered, and further the response time of the projection lamp in the vehicle is the same no matter which angle the projection lamp enters the sensing range on the horizontal plane.
Further, the sensing field angle range of the object detection sensor is 10% -20% larger than the projection field angle range of the projection lamp in the vehicle.
From the above description, it can be seen that the practical use requirements can be met through the above structural arrangement.
Further, the model of the object detection sensor is a TMF8828 sensor, the model of the controller is S32K116, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus.
Furthermore, the projection lamp in the vehicle comprises a projection lamp LED light source and a film projection lamp matched with the projection lamp LED light source, and the dimming signal output pin of the controller is electrically connected with the projection lamp LED light source.
From the above description, it can be known that the above-stated technical effects can be achieved by using the TMF8828 sensor and the S32K116 controller in combination with the film projection lamp.
Furthermore, the model of the object detection sensor is a TMF8828 sensor, the model of the controller is RH850/D1M1A, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus.
Further, the projection lamp in the car includes projection lamp LED light source and with projection lamp LED light source complex DLP projection lamp or Laser MEMS projection lamp, the signal output pin of adjusting luminance of controller is connected with projection lamp LED light source electricity, the display output pin and DLP projection lamp or Laser MEMS projection lamp electricity of controller are connected.
From the above description, it can be seen that the above claimed technical effects can be achieved by using the TMF8828 sensor and the RH850/D1M1A controller in combination with a DLP projection lamp or a Laser MEMS projection lamp.
Further, the object detection sensor is an ultrasonic sensor, a ToF sensor, a millimeter wave radar sensor or a capacitive sensing sensor, the type of the controller is RH850/D1M1A, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus, an SPI bus or a UART bus.
Further, the projection lamp in the car includes projection lamp LED light source and with projection lamp LED light source complex DLP projection lamp or Laser MEMS projection lamp, the signal output pin of adjusting luminance of controller is connected with projection lamp LED light source electricity, the display output pin and DLP projection lamp or Laser MEMS projection lamp electricity of controller are connected.
From the above description, it can be known that the above-stated technical effects can be achieved by using an ultrasonic sensor, a ToF sensor, a millimeter wave radar sensor or a capacitive sensing sensor and an RH850/D1M1A controller, and then cooperating with a DLP projection lamp or a Laser MEMS projection lamp.
Referring to fig. 1, fig. 4 and fig. 5, a first embodiment of the present invention is:
the utility model relates to an anti-glare device for projection lamps in a vehicle, which comprises an object detection sensor and a controller; the sensing range of the object detection sensor covers the projection range of the projection lamp in the vehicle, and the object detection sensor and the projection lamp in the vehicle are respectively and electrically connected with the controller. The induction central shaft of the object detection sensor and the projection central shaft of the projection lamp in the vehicle are coaxially arranged. The induction field angle range of the object detection sensor is 10% -20% larger than the projection field angle range of the projection lamp in the vehicle.
In this embodiment, the model of the object detection sensor is TMF8828 sensor, the model of the controller is S32K116, and the data receiving pin of the controller is electrically connected to the TMF8828 sensor through an I2C bus. The projection lamp in the vehicle comprises a projection lamp LED light source and a film projection lamp matched with the projection lamp LED light source, and a dimming signal output pin of the controller is electrically connected with the projection lamp LED light source.
Specifically, the data receiving pin PTA2/PTA3 of the controller is electrically connected to the TMF8828 sensor through an I2C bus, and the dimming signal output pin PTD15 of the controller outputs a PWM signal to the projection lamp LED light source to control the brightness of the light.
Referring to fig. 2, fig. 4 and fig. 5, a second embodiment of the present invention is:
on the basis of the first embodiment, a specific implementation manner of a new object detection sensor and a controller is provided, which specifically includes:
the model of the object detection sensor is a TMF8828 sensor, the model of the controller is RH850/D1M1A, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus. The interior projection lamp of car includes projection lamp LED light source and with projection lamp LED light source complex DLP projection lamp or Laser MEMS projection lamp, the signal output pin of adjusting luminance of controller is connected with projection lamp LED light source electricity, the display output pin and DLP projection lamp or Laser MEMS projection lamp electricity of controller are connected.
In the present embodiment, the data receiving pins P3_0/P3_1 of the controller are electrically connected to the TMF8828 sensor via an I2C bus. The dimming signal output pin P3_10 of the controller outputs a PWM signal to the LED light source of the projection lamp to control the brightness of the light. The display output pins P43/P44/P45 of the controller are electrically connected with the DLP projection lamp or Laser MEMS projection lamp through an LVDS interface, an HDMI interface or an RGB interface.
Referring to fig. 3 to 5, a second embodiment of the present invention is:
on the basis of the first embodiment, a specific implementation manner of a new object detection sensor and a controller is provided, which specifically includes:
the object detection sensor is an ultrasonic sensor, a ToF sensor, a millimeter wave radar sensor or a capacitive sensing sensor, the type of the controller is RH850/D1M1A, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus, an SPI bus or a UART bus. The interior projection lamp of car includes projection lamp LED light source and with projection lamp LED light source complex DLP projection lamp or Laser MEMS projection lamp, the signal output pin of adjusting luminance of controller is connected with projection lamp LED light source electricity, the display output pin and DLP projection lamp or Laser MEMS projection lamp electricity of controller are connected.
In this embodiment, the data receiving pin P3_0/P3_1 of the controller is electrically connected to the ultrasonic sensor, the ToF sensor, the millimeter wave radar sensor, or the capacitive sensing sensor through an I2C bus. The dimming signal output pin P3_10 of the controller outputs a PWM signal to the LED light source of the projection lamp to control the brightness of the light. The display output pins P43/P44/P45 of the controller are electrically connected with the DLP projection lamp or Laser MEMS projection lamp through an LVDS interface, an HDMI interface or an RGB interface.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. An in-vehicle projection lamp anti-glare device is characterized by comprising an object detection sensor and a controller; the sensing range of the object detection sensor covers the projection range of the projection lamp in the vehicle, and the object detection sensor and the projection lamp in the vehicle are respectively and electrically connected with the controller.
2. The in-vehicle projection lamp anti-glare device according to claim 1, wherein an induction center axis of the object detection sensor is coaxially disposed with a projection center axis of the in-vehicle projection lamp.
3. The anti-glare device for the projection lamp in the vehicle as claimed in claim 1 or 2, wherein the sensing angular range of the object detection sensor is 10-20% larger than the projection angular range of the projection lamp in the vehicle.
4. The in-vehicle projection lamp anti-glare device according to claim 1, wherein the object detection sensor is of a model of TMF8828 sensor, the controller is of a model of S32K116, and a data receiving pin of the controller is electrically connected with the TMF8828 sensor through an I2C bus.
5. The in-vehicle projection lamp anti-glare device according to claim 4, wherein the in-vehicle projection lamp comprises a projection lamp LED light source and a film projection lamp matched with the projection lamp LED light source, and the dimming signal output pin of the controller is electrically connected with the projection lamp LED light source.
6. The in-vehicle projection lamp anti-glare device according to claim 1, wherein the object detection sensor is a TMF8828 sensor, the controller is an RH850/D1M1A, and a data receiving pin of the controller is electrically connected to the TMF8828 sensor through an I2C bus.
7. The in-vehicle projection lamp anti-glare device according to claim 6, wherein the in-vehicle projection lamp comprises a projection lamp LED light source and a DLP projection lamp or a Laser MEMS projection lamp matched with the projection lamp LED light source, the dimming signal output pin of the controller is electrically connected with the projection lamp LED light source, and the display output pin of the controller is electrically connected with the DLP projection lamp or the Laser MEMS projection lamp.
8. The in-vehicle projection lamp anti-glare device according to claim 1, wherein the object detection sensor is an ultrasonic sensor, a ToF sensor, a millimeter wave radar sensor or a capacitive sensing sensor, the controller is of a type RH850/D1M1A, and a data receiving pin of the controller is electrically connected to the TMF8828 sensor through an I2C bus, an SPI bus or a UART bus.
9. The in-vehicle projection lamp anti-glare device according to claim 8, wherein the in-vehicle projection lamp comprises a projection lamp LED light source and a DLP projection lamp or a Laser MEMS projection lamp matched with the projection lamp LED light source, the dimming signal output pin of the controller is electrically connected with the projection lamp LED light source, and the display output pin of the controller is electrically connected with the DLP projection lamp or the Laser MEMS projection lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221456277.1U CN218473449U (en) | 2022-06-10 | 2022-06-10 | Anti-dazzle device for projection lamp in vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221456277.1U CN218473449U (en) | 2022-06-10 | 2022-06-10 | Anti-dazzle device for projection lamp in vehicle |
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| CN218473449U true CN218473449U (en) | 2023-02-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236714A1 (en) * | 2022-06-10 | 2023-12-14 | 上海丹诺西诚智能科技有限公司 | Anti-dazzle method and system for in-vehicle projection lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236714A1 (en) * | 2022-06-10 | 2023-12-14 | 上海丹诺西诚智能科技有限公司 | Anti-dazzle method and system for in-vehicle projection lamp |
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