CN114954297A - Audio-visual entertainment system host computer and high definition integrated system - Google Patents
Audio-visual entertainment system host computer and high definition integrated system Download PDFInfo
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- CN114954297A CN114954297A CN202210416677.8A CN202210416677A CN114954297A CN 114954297 A CN114954297 A CN 114954297A CN 202210416677 A CN202210416677 A CN 202210416677A CN 114954297 A CN114954297 A CN 114954297A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 230000011664 signaling Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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Abstract
The embodiment of the invention provides a video entertainment system host and a high-definition integrated system. The video entertainment system host is integrated with a driver monitoring system DMS, a vehicle passenger monitoring system CMS and a vehicle event data recorder system DVR. In the technical scheme provided by the embodiment of the invention, the DMS, the CMS and the DVR are integrated in the main machine of the audio-visual entertainment system, and an additional controller is not needed, so that the space of the whole vehicle is saved, the cost is reduced, and the final assembly beat is accelerated.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of vehicles, in particular to a main machine of a video entertainment system and a high-definition integrated system.
[ background of the invention ]
At present, most of Driver monitoring systems (DMS, CMS), car interior passenger monitoring systems (CMS) and Digital Video Recorder (DVR) of mass-produced car models in the market are split schemes, the DMS and the CMS are integrated in a main machine of a Video entertainment System, and the DVR is independently arranged. Compared with the integrated scheme, the technical scheme in the related art has 1-2 more controllers, occupies the space of the whole vehicle, increases the cost of the whole vehicle and increases the final assembly beat.
[ summary of the invention ]
In view of this, the embodiment of the present invention provides a main frame of an audio/video entertainment system and a high definition integrated system, so as to save the entire vehicle space, reduce the cost, and speed up the assembly beat.
In one aspect, an embodiment of the present invention provides a main unit of an audio/video entertainment system, which is integrated with a driver monitoring system DMS, a vehicle occupant monitoring system CMS, and a vehicle data recorder system DVR.
Optionally, the CMS, the DMS, and the DVR use video serial communication FPD _ link to transmit data.
Optionally, the system further comprises a display screen, and the CMS, the DMS and the DVR transmit the video signal to the display screen by using an FPD _ link to display a video interface, so that a user can operate the video interface through the display screen.
Optionally, the CMS comprises a first camera, the DMS comprises a second camera, and the DVR comprises a third camera.
Optionally, the system further comprises a first deserializer, a first general purpose input output port GPIO, a main chip SOC, and a first low-voltage differential signaling LVDS interface, wherein the first camera is integrated with a first serializer, and the third camera is integrated with a second serializer.
Optionally, the SOC includes a first camera serial interface CSI, and the first serializer and the second serializer commonly connect the first CSI through the first deserializer.
Optionally, the first deserializer is configured to acquire a pulse signal from the SOC through a first GPIO interface, modulate the pulse signal to a first LVDS interface, and send the pulse signal to the first serializer and the second serializer, so that the first serializer and the second serializer recover the pulse signal and send the pulse signal to the third camera and the first camera at the same time.
Optionally, the display device further comprises a second deserializer, a second general purpose input/output port GPIO, and a second low voltage differential signaling LVDS interface, and the second camera is integrated with a third serializer.
Optionally, the SOC further includes a second camera serial interface CSI, and the third serializer separately connects the second CSI through the second deserializer, the second GPIO, and the second LVDS interface.
On the other hand, the embodiment of the invention provides a high-definition integrated system which is characterized by comprising the video entertainment system host.
In the technical scheme of the video entertainment system host provided by the embodiment of the invention, the video entertainment system host is integrated with a driver monitoring system DMS, a vehicle passenger monitoring system CMS and a vehicle data recorder system DVR. In the technical scheme provided by the embodiment of the invention, the DMS, the CMS and the DVR are integrated in the main machine of the audio-visual entertainment system, and an additional controller is not needed, so that the space of the whole vehicle is saved, the cost is reduced, and the final assembly beat is accelerated.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a main unit of an audio/video entertainment system according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., A and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 is a schematic structural diagram of a video entertainment system host provided in an embodiment of the present invention, and as shown in fig. 1, the video entertainment system host is integrated with a driver monitoring system DMS 1, a vehicle occupant monitoring system CMS 2, and a vehicle event recorder system DVR 3.
In the embodiment of the present invention, the resolution of the CMS and DVR is 3840 × 2160(4K video stream), and the frame rate may be 30 fps. The DMS resolution is 640 x 480 and the frame rate can be 30 fps.
In the embodiment of the present invention, the CMS 2, the DMS 1, and the DVR 3 transmit data by using video serial communication (FPD _ Link for short).
In the embodiment of the invention, the FPD _ link is a TI automobile-level high-speed Ser-Des product and can meet the requirement of 4K video stream data transmission.
In the embodiment of the invention, the video and audio entertainment system host further comprises a display screen 4, and the CMS 2, the DMS 1 and the DVR 3 adopt the FPD _ link to transmit the video signals to the display screen 4 to display a video interface so that a user can operate the video interface through the display screen 4.
In the embodiment of the invention, the FPD _ link can be a bidirectional control interface channel interface of a serial control bus, and the physical form is a single coaxial cable.
In the embodiment of the present invention, the resolution of the display 4 may be 1920 × 1080, and the frame rate may be 60 fps.
In the embodiment of the present invention, the CMS 2 includes the first camera 21, the DMS 1 includes the second camera 11, and the DVR 3 includes the third camera 31.
In the embodiment of the present invention, the main unit of the audio/video entertainment System further includes a first deserializer 5, a first General Purpose Input/Output (GPIO for short), a main Chip (System on Chip for short) 6, and a first Low Voltage Differential Signaling (LVDS) interface, where the first camera 21 is integrated with the first serializer 211, and the third camera 31 is integrated with the second serializer 311.
In the embodiment of the present invention, the SOC 6 includes a first Camera Serial Interface (CSI) 61, and the first serializer 211 and the second serializer 311 are connected to the first CSI 61 through the first deserializer 5.
In the embodiment of the invention, the CSI is a unidirectional differential serial interface.
In the embodiment of the present invention, the DVR 3 and the CMS 2 are connected to the same first CSI 61, and therefore, the third camera 31 and the first camera 21 are required to have a synchronous output function.
In this embodiment of the present invention, the first deserializer 5 is configured to obtain a pulse signal from the SOC 6 through the first GPIO interface, modulate the pulse signal to the first LVDS interface, and send the pulse signal to the first serializer 211 and the second serializer 311, so that the first serializer 211 and the second serializer 311 recover the pulse signal, and send the pulse signal to the third camera 31 and the first camera 21 at the same time.
In the embodiment of the present invention, all cameras under the first deserializer 5 (corresponding to the same first CSI 61) may synchronously send image data according to the pulse signal.
In the embodiment of the present invention, the main unit of the audio/video entertainment system further includes a second deserializer 7, a second GPIO, and a second LVDS interface, and the second camera 11 is integrated with a third serializer 111.
In the embodiment of the present invention, the SOC 6 further includes the second CSI 62, and the third serializer 111 is separately connected to the second CSI 62 through the second deserializer 7, the second GPIO, and the second LVDS interface.
In the embodiment of the invention, the audio and video entertainment system host further comprises a Micro Control Unit (MCU).
In the embodiment of the invention, the video entertainment system host also comprises a Controller Area Network (CAN) module.
In the embodiment of the invention, the audio and video entertainment system host further comprises a Universal Serial Bus Hub (USB Hub for short), and the USB Hub can be used for connecting a DVR U disk.
In the embodiment of the invention, the video entertainment system host further comprises a WIFI/BT module.
In the embodiment of the invention, the audio and video entertainment system host further comprises an automobile audio bus A2B, wherein A2B can be used for connecting an external power amplifier and a digital Microphone (Microphone for short).
In the technical scheme provided by the embodiment of the invention, the video entertainment system host is integrated with a driver monitoring system DMS, a vehicle passenger monitoring system CMS and a vehicle data recorder system DVR. In the technical scheme provided by the embodiment of the invention, the DMS, the CMS and the DVR are integrated in the main machine of the audio-visual entertainment system, and an additional controller is not needed, so that the space of the whole vehicle is saved, the cost is reduced, and the final assembly beat is accelerated.
In the technical scheme provided by the embodiment of the invention, the DMS, the CMS and the DVR are integrated in the main machine of the audio-visual entertainment system, so that the number of controllers and wiring harnesses connected among the controllers can be reduced, and the total assembly beat is accelerated.
In the technical scheme provided by the embodiment of the invention, along with the improvement of the chip computing power of the main computer of the video and audio entertainment system, the three-in-one integration scheme of the DMS, the CMS and the DVR has obvious advantages. Control integration is in audio-visual entertainment system host computer, plus first camera, second camera and third camera, can realize following function: face ID, fatigue detection, distraction detection, rearview mirror adjustment automatic selection, in-vehicle photographing, gesture recognition, in-vehicle video recording, driving record, parking two-dimensional code recognition payment and the like.
According to the technical scheme provided by the embodiment of the invention, the single camera of the DMS, the CMS and the DVR can realize the sharing of multiple vehicle types and multiple platforms, the development cost and the development workload are reduced, the independent development of each vehicle type is not needed, and the platform is high.
The embodiment of the invention provides a high-definition integrated system, which comprises the video entertainment system host shown in the figure 1.
In the technical scheme provided by the embodiment of the invention, the video entertainment system host is integrated with a driver monitoring system DMS, a vehicle passenger monitoring system CMS and a vehicle data recorder system DVR. In the technical scheme provided by the embodiment of the invention, the DMS, the CMS and the DVR are integrated in the main machine of the audio-visual entertainment system, and an additional controller is not needed, so that the space of the whole vehicle is saved, the cost is reduced, and the final assembly beat is accelerated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A video entertainment system host is characterized in that a driver monitoring system DMS, a vehicle passenger monitoring system CMS and a vehicle event data recorder system DVR are integrated.
2. The av entertainment system host of claim 1, wherein the CMS, the DMS, and the DVR use video serial communication FPD _ link to transfer data.
3. The av entertainment system host of claim 2, further comprising a display screen, wherein said CMS, said DMS, and said DVR use FPD _ links to transmit video signals to the display screen to display a video interface for a user to manipulate the video interface through the display screen.
4. The av entertainment system host of claim 1, wherein the CMS comprises a first camera, the DMS comprises a second camera, and the DVR comprises a third camera.
5. The main computer of claim 4, further comprising a first deserializer, a first General Purpose Input Output (GPIO), a main chip SOC, and a first Low Voltage Differential Signaling (LVDS) interface, wherein the first camera is integrated with a first serializer, and the third camera is integrated with a second serializer.
6. The AV entertainment system host of claim 5, wherein the SOC comprises a first Camera Serial Interface (CSI), and the first serializer and the second serializer are commonly connected to the first CSI through the first deserializer.
7. The host computer of claim 6, wherein the first deserializer is configured to obtain a pulse signal from the SOC through a first GPIO interface, modulate the pulse signal to a first LVDS interface, and send the pulse signal to the first serializer and the second serializer, so that the first serializer and the second serializer recover the pulse signal and send the pulse signal to the third camera and the first camera at the same time.
8. The main frame of video and audio entertainment system according to claim 4, further comprising a second deserializer, a second general purpose input/output (GPIO) and a second Low Voltage Differential Signaling (LVDS) interface, wherein the second camera is integrated with a third serializer.
9. The av entertainment system host of claim 8, wherein the SOC further comprises a second camera serial interface CSI, and the third serializer separately connects the second CSI through the second deserializer, the second GPIO, and the second LVDS interface.
10. A high definition integrated system, comprising: the av entertainment system host of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210416677.8A CN114954297A (en) | 2022-04-20 | 2022-04-20 | Audio-visual entertainment system host computer and high definition integrated system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210416677.8A CN114954297A (en) | 2022-04-20 | 2022-04-20 | Audio-visual entertainment system host computer and high definition integrated system |
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| CN114954297A true CN114954297A (en) | 2022-08-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210591613U (en) * | 2019-05-29 | 2020-05-22 | 上海赫千电子科技有限公司 | Multifunctional vehicle-mounted central control system |
| CN112165606A (en) * | 2020-09-18 | 2021-01-01 | 深圳市豪恩汽车电子装备股份有限公司 | Vehicle-mounted camera, motor vehicle video acquisition system and motor vehicle video acquisition method |
| US20210219002A1 (en) * | 2020-01-15 | 2021-07-15 | Panasonic Avionics Corporation | Centralized architecture for in-vehicle entertainment systems |
| CN113163171A (en) * | 2021-04-23 | 2021-07-23 | 前海七剑科技(深圳)有限公司 | Image processing system, intelligent cabin system, vehicle and image processing method |
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- 2022-04-20 CN CN202210416677.8A patent/CN114954297A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210591613U (en) * | 2019-05-29 | 2020-05-22 | 上海赫千电子科技有限公司 | Multifunctional vehicle-mounted central control system |
| US20210219002A1 (en) * | 2020-01-15 | 2021-07-15 | Panasonic Avionics Corporation | Centralized architecture for in-vehicle entertainment systems |
| CN112165606A (en) * | 2020-09-18 | 2021-01-01 | 深圳市豪恩汽车电子装备股份有限公司 | Vehicle-mounted camera, motor vehicle video acquisition system and motor vehicle video acquisition method |
| CN113163171A (en) * | 2021-04-23 | 2021-07-23 | 前海七剑科技(深圳)有限公司 | Image processing system, intelligent cabin system, vehicle and image processing method |
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