CN220775985U - Vehicle-mounted dimming device - Google Patents
Vehicle-mounted dimming device Download PDFInfo
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- CN220775985U CN220775985U CN202322521418.4U CN202322521418U CN220775985U CN 220775985 U CN220775985 U CN 220775985U CN 202322521418 U CN202322521418 U CN 202322521418U CN 220775985 U CN220775985 U CN 220775985U
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Abstract
The embodiment of the utility model provides a vehicle-mounted dimming device, which comprises a camera module assembled on a motor vehicle body, wherein the camera module comprises: the image acquisition unit is used for acquiring RGB image data and IR image data and detecting an ambient brightness value in real time; the infrared driving control unit is used for responding to the infrared starting signal and emitting infrared rays so as to supplement light to the external environment; and the image processing unit is used for comparing the ambient brightness value detected by the image acquisition unit with the brightness threshold value in real time, sending out an infrared starting signal and correspondingly processing the IR image data acquired and transmitted by the image acquisition unit when the ambient brightness value is lower than the brightness threshold value, or correspondingly processing the RGB image data acquired and transmitted by the image acquisition unit when the ambient brightness value is not lower than the brightness threshold value. The embodiment of the utility model is not influenced by ambient light, and can continuously shoot clear pictures.
Description
Technical Field
The embodiment of the utility model relates to the technical field of vehicle-mounted camera shooting monitoring, in particular to a vehicle-mounted dimming device.
Background
Currently, a plurality of cameras are generally installed around a motor vehicle to provide a video monitoring system with a monitoring video of the outside environment of the cabin so that a driver can check the outside environment of the cabin. The existing vehicle-mounted camera usually adopts a color camera, and when the camera is correspondingly assembled in front of and/or behind a motor vehicle, the inventor finds that in practical implementation, as the traditional camera only has an RGB mode (namely, the collected video image is a color image), and the RGB mode cannot be clearly imaged at night, the shooting effect is easily affected by external environment, especially in weak light, no light or foggy environment, and the driving safety hidden trouble is increased.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide the device capable of switching the IR mode and the RGB mode according to the intensity of light, and the shooting effect is not influenced by external light.
In order to solve the technical problems, the embodiment of the utility model adopts the following technical scheme: a vehicle-mounted dimming device comprising a camera module assembled on a motor vehicle body, wherein the camera module comprises:
the image acquisition unit is used for acquiring RGB image data and IR image data and detecting an ambient brightness value in real time;
the infrared driving control unit is electrically connected with the image acquisition unit and is used for responding to an infrared starting signal to emit infrared rays so as to supplement light to the external environment; and
the image processing unit is electrically connected with the image acquisition unit, a brightness threshold value is pre-stored in the image processing unit, the image processing unit is used for comparing the environment brightness value detected by the image acquisition unit with the brightness threshold value in real time, sending out the infrared starting signal when the environment brightness value is lower than the brightness threshold value and correspondingly processing the IR image data acquired and transmitted by the image acquisition unit, or correspondingly processing the RGB image data acquired and transmitted by the image acquisition unit when the environment brightness value is not lower than the brightness threshold value.
Further, the camera module further includes:
the serialization unit is connected with the image processing unit and is used for serializing the video images to be output by the image processing unit to obtain a serialized video signal; and
and the serial communication unit is connected with the serialization unit and is used for transmitting the serialization video signal to the display equipment.
Further, the image acquisition unit is a photosensitive chip.
Further, the infrared driving control unit comprises an infrared driving chip electrically connected with the image acquisition unit and an infrared lamp connected with the infrared driving chip.
Further, the vehicle-mounted dimming device further includes:
an external instruction input unit connected with the display device and used for responding to external operation to send IR instructions or RGB instructions to the display device, and the image processing unit is also used for responding to the IR instructions transmitted by the display device, the serial communication unit and the serialization unit to send out the infrared start signals and correspondingly process the IR image data acquired and transmitted by the image acquisition unit and correspondingly process the RGB image data acquired and transmitted by the image acquisition unit in response to the RGB instructions
Further, the external instruction input unit is an entity control key, and the image processing unit is an ISP image processing chip.
Further, the external instruction input unit is a UI touch display interface.
By adopting the technical scheme, the embodiment of the utility model has at least the following beneficial effects: according to the embodiment of the utility model, the image processing unit is used for comparing the ambient brightness value detected by the image acquisition unit with the brightness threshold value in real time by adopting the image acquisition unit, so that the camera module can be automatically switched to an IR mode or an RGB mode, when the ambient brightness value is lower than the brightness threshold value, the camera module is switched to the IR mode, the image processing unit is used for sending an infrared starting signal to supplement light to the external environment by the infrared driving control unit, the IR image data acquired and transmitted by the image acquisition unit is correspondingly processed, or when the ambient brightness value is greater than or equal to the brightness threshold value, the image processing unit is used for correspondingly processing the RGB image data acquired and transmitted by the image acquisition unit, and finally, the RGB image data or the IR image data correspondingly processed by the image processing unit are displayed on the display device. In the implementation, the camera module is correspondingly assembled in front of and/or behind a motor vehicle, can not be influenced by ambient light, can clearly image in daytime and evening, can continuously shoot clear pictures in extremely dark environment and foggy environment, and ensures the driving safety of a driver.
Drawings
Fig. 1 is a block diagram of an alternative embodiment of the vehicle-mounted dimming device of the present utility model.
Fig. 2 is a block diagram of still another alternative embodiment of the in-vehicle dimming device of the present utility model.
Fig. 3 is a block diagram of still another alternative embodiment of the in-vehicle dimming device of the present utility model.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples. It should be understood that the following exemplary embodiments and descriptions are only for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that the embodiments and features of the embodiments of the utility model may be combined with one another without conflict.
As shown in fig. 1, an alternative embodiment of the present utility model provides an on-vehicle dimming device, including a camera module 100 assembled on a vehicle body, wherein the camera module 100 includes:
an image acquisition unit 10 for acquiring RGB image data and IR image data and detecting an ambient brightness value in real time;
an infrared driving control unit 20 electrically connected with the image acquisition unit 10, for emitting infrared rays in response to an infrared start signal to supplement light to the external environment; and
the image processing unit 30 is electrically connected to the image acquisition unit 10, the image processing unit 10 is pre-stored with a brightness threshold, the image processing unit 30 is configured to compare an ambient brightness value detected by the image acquisition unit 10 with the brightness threshold in real time, send the infrared start signal when the ambient brightness value is lower than the brightness threshold (the comparison logic in the process may be set according to the actual design or may be set to be opposite comparison logic, that is, higher than the value of the latter parameter), and correspondingly process the IR image data acquired and transmitted by the image acquisition unit 10, or correspondingly process the RGB image data acquired and transmitted by the image acquisition unit 10 when the ambient brightness value is not lower than the brightness threshold.
According to the embodiment of the utility model, the image processing unit 30 is used for comparing the ambient brightness value detected by the image acquisition unit 10 with the brightness threshold value in real time by adopting the image acquisition unit 10 to enable the camera module 100 to be automatically switched to an IR mode or an RGB mode, specifically, when the ambient brightness value is lower than the brightness threshold value, the camera module is switched to the IR mode, the image processing unit 30 is used for sending an infrared starting signal to the image acquisition unit 10 and transmitting the infrared starting signal to the infrared driving control unit 20 so as to supplement light to the external environment, and meanwhile, the image processing unit 30 correspondingly processes the IR image data acquired and transmitted by the image acquisition unit 10; or, when the ambient brightness value is greater than or equal to the brightness threshold, the image processing unit 30 correspondingly processes the RGB image data acquired and transmitted from the image acquisition unit 10, and finally displays the RGB image data or the IR image data correspondingly processed by the image processing unit 30 on the display device 60. In a specific implementation, the camera module 100 is correspondingly assembled in front of and/or behind a motor vehicle, can be free from the influence of ambient light, can clearly image in the daytime and at night, and can continuously shoot clear pictures in extremely dark environments and foggy environments at the same time, so as to ensure the driving safety of a driver. It will be appreciated that the logic decisions involved in the image processing unit 30 are: comparing the ambient brightness value detected by the image acquisition unit 10 with the brightness threshold value, and further determining what operation (sending out an infrared start signal and correspondingly processing IR image data or processing RGB image data) is a conventional logic judgment process that can be implemented by various existing chips, and how the image processing unit 30 specifically processes the IR image data and the RGB image data is not innovative and will not be repeated herein.
In an alternative embodiment of the present utility model, as shown in fig. 2, the camera module 100 further includes:
a serializing unit 40, connected to the image processing unit 30, for serializing the video image to be output by the image processing unit 30 to obtain a serialized video signal; and
and a serial communication unit 50 connected to the serializing unit 40 for transmitting the serialized video signal to a display device 60.
In this embodiment, the serializing unit 40 is connected to the image processing unit 30, the serializing unit 40 receives the video image output by the image processing unit 30, then the serializing unit 40 performs serializing processing on the video image to obtain a serialized video signal, and then the serial communication unit 50 transmits the serialized video signal to the display device 60. By providing the serialization unit 40 and the serial communication unit 50, the data line between the image processing unit 30 and the display device 60 of the vehicle-mounted dimming device can be reduced, and the communication cost can be saved.
In an alternative embodiment of the present utility model, the image capturing unit 10 is a photosensitive chip. In this embodiment, the light sensing chip integrated inside the existing camera is used to detect the ambient brightness value, so that no additional brightness detection hardware is needed, the integration level is high, and the use cost can be reduced.
In an alternative embodiment of the present utility model, as shown in fig. 1 to 3, the infrared driving control unit 20 includes an infrared driving chip 201 electrically connected to the image pickup unit 10 and an infrared lamp 202 connected to the infrared driving chip 201. In this embodiment, the infrared driving chip 201 is adopted to receive the infrared start signal and further control the working state of the infrared lamp 202, so that infrared light supplementing can be effectively performed, and in further implementation, a lampshade for covering the infrared lamp can be correspondingly assembled outside the infrared lamp 202, so that the infrared light supplementing effect is good.
In an alternative embodiment of the present utility model, as shown in fig. 3, the vehicle-mounted dimming device further includes:
an external command input unit 70 connected to the display device 60 for sending IR commands or RGB commands to the display device 60 in response to external operations, and the image processing unit 30 is further configured to send the IR start signal in response to the IR commands transmitted via the display device 60, the serial communication unit 50, and the serialization unit 40 in turn and correspondingly process the IR image data acquired and transmitted by the image acquisition unit 10, and correspondingly process the RGB image data acquired and transmitted by the image acquisition unit 10 in response to the RGB commands.
In this embodiment, an external command input unit 70 is further provided and connected to the display device 60, and when the driver observes that the vehicle is in a weak light, rain, fog, or strong light environment, the image processing unit 30 can be controlled to correspondingly send IR commands or RGB commands through reverse communication of the display device 60 by external operation, so that the camera module 100 can be correspondingly put into an IR mode (i.e., the video image is a black-and-white image) or an RGB mode (i.e., the video image is a color image) through manual intervention, and the image processing unit 30 processes the IR data or the RGB data to generate a video image to be output correspondingly.
In an alternative embodiment of the present utility model, the external command input unit 70 is a physical control button, and the image processing unit 30 is an ISP image processing chip. In this embodiment, the physical control buttons have two units for respectively sending IR command units and RGB command units, and after pressing different control buttons, the camera module 100 enters different working modes, so that the ISP image processing chip correspondingly outputs the required video images, which is convenient for the driver to use.
In an alternative embodiment of the present utility model, the external command input unit 70 is a UI touch display interface on the display device 60. In this embodiment, the UI touch display interface sends the IR command unit or the RGB command unit to the image processing unit 30, so that the ISP image processing chip correspondingly outputs the required video image, which is convenient for the driver to control.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many changes may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
Claims (7)
1. A vehicle-mounted dimming device comprising a camera module assembled on a motor vehicle body, wherein the camera module comprises:
the image acquisition unit is used for acquiring RGB image data and IR image data and detecting an ambient brightness value in real time;
the infrared driving control unit is electrically connected with the image acquisition unit and is used for responding to an infrared starting signal to emit infrared rays so as to supplement light to the external environment; and
the image processing unit is electrically connected with the image acquisition unit, a brightness threshold value is pre-stored in the image processing unit, the image processing unit is used for comparing the environment brightness value detected by the image acquisition unit with the brightness threshold value in real time, sending out the infrared starting signal when the environment brightness value is lower than the brightness threshold value and correspondingly processing the IR image data acquired and transmitted by the image acquisition unit, or correspondingly processing the RGB image data acquired and transmitted by the image acquisition unit when the environment brightness value is not lower than the brightness threshold value.
2. The vehicle-mounted dimming device of claim 1, wherein the camera module further comprises:
the serialization unit is connected with the image processing unit and is used for serializing the video images to be output by the image processing unit to obtain a serialized video signal; and
and the serial communication unit is connected with the serialization unit and is used for transmitting the serialization video signal to the display equipment.
3. The vehicle-mounted dimming device of claim 1, wherein the image acquisition unit is a photosensitive chip.
4. The vehicle-mounted dimming device according to claim 1, wherein the infrared driving control unit includes an infrared driving chip electrically connected to the image pickup unit and an infrared lamp connected to the infrared driving chip.
5. The in-vehicle dimming device according to claim 2, further comprising:
the image processing unit is also used for responding to the IR instruction transmitted by the display device, the serial communication unit and the serialization unit in turn to send out the infrared starting signal and correspondingly process the IR image data acquired and transmitted by the image acquisition unit and correspondingly process the RGB image data acquired and transmitted by the image acquisition unit in response to the RGB instruction.
6. The vehicle-mounted dimming device according to claim 5, wherein the external command input unit is a physical control key, and the image processing unit is an ISP image processing chip.
7. The vehicle-mounted dimming device of claim 5, wherein the external command input unit is a UI touch display interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521418.4U CN220775985U (en) | 2023-09-15 | 2023-09-15 | Vehicle-mounted dimming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521418.4U CN220775985U (en) | 2023-09-15 | 2023-09-15 | Vehicle-mounted dimming device |
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| Publication Number | Publication Date |
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| CN220775985U true CN220775985U (en) | 2024-04-12 |
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| CN202322521418.4U Active CN220775985U (en) | 2023-09-15 | 2023-09-15 | Vehicle-mounted dimming device |
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- 2023-09-15 CN CN202322521418.4U patent/CN220775985U/en active Active
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