CN110557140A

CN110557140A - Vehicle-mounted terminal

Info

Publication number: CN110557140A
Application number: CN201810539017.2A
Authority: CN
Inventors: 张仁建
Original assignee: Shanghai Qinggan Intelligent Technology Co Ltd
Current assignee: Shanghai Qinggan Intelligent Technology Co Ltd
Priority date: 2018-05-30
Filing date: 2018-05-30
Publication date: 2019-12-10

Abstract

the present invention provides a vehicle-mounted terminal, which includes: the cellular communication module is connected with the main antenna and is used for cellular network communication; a DVR camera device used for acquiring images and/or videos of at least one of the front, the rear, the left side and the right side of a vehicle carrying the vehicle-mounted terminal; the front-view camera device is used for acquiring images and/or videos in front of a vehicle carrying the vehicle-mounted terminal; the plurality of camera devices are used for acquiring images and/or videos around the vehicle carrying the vehicle-mounted terminal; and a main processor for processing images and/or video acquired by the DVR camera, the forward looking camera and/or the plurality of cameras. According to the vehicle-mounted terminal, three functions of the automobile data recorder, the forward-looking video acquisition module and the 360-degree look-around module are integrated, so that devices with overlapped functions are omitted, resources are effectively utilized, the space occupied by the devices is reduced, the interaction efficiency and reliability of the system are improved, and the overall development cost is reduced.

Description

Vehicle-mounted terminal

Technical Field

the invention mainly relates to the technical field of automobiles, in particular to a vehicle-mounted terminal.

background

In the driving process, traffic accidents such as scratch and collision occur sometimes. When a traffic accident is responsible, corresponding evidence is required to determine responsibility, and the current road monitoring and the like have dead corners, and when the traffic accident occurs in the dead corners, video evidence cannot be provided, so that the responsibility of the traffic accident is difficult to determine. In order to overcome the defect, the existing vehicle is usually provided with a vehicle data recorder, and when the vehicle runs, the vehicle records the environment in front of and/or around the vehicle so as to determine responsibility when a traffic accident occurs. Fig. 1 is a basic block diagram of a conventional drive recorder (DVR). Referring to fig. 1, the car recorder mainly includes a DVR camera, a Main Processor Unit (MPU), a Microcontroller (MCU), a memory, an internal memory, a display screen, keys, an external storage module, an acceleration sensor, a microphone, and the like. The memory, the internal memory, the display screen, the keys, the external storage module and the microphone are respectively connected with the main processor so as to record, display and other settings of the environment in front of and/or around the vehicle. The microcontroller is connected with the main processor and is mainly used for controlling the main processor to realize various functions. The acceleration sensor is connected with the microcontroller and used for sensing whether accidents such as collision occur. In addition, the microcontroller also receives an ignition signal, which acts as a trigger signal for the microcontroller, the main processor, etc. to start operating. Of course, the automobile data recorder also comprises a power supply module connected with the battery so as to supply power to all parts in the automobile data recorder.

Automatic driving is a popular research direction of vehicle enterprises, scientific and technical enterprises and the like. The realization of automatic driving needs the support of road condition big data. The method that adopts at present sets up the image information in the place ahead of the vehicle of foresight video acquisition module collection vehicle on the vehicle to reach the high in the clouds in the upload with the image information who gathers, provide road conditions big data support for the training of autopilot. Fig. 2 is a basic block diagram of a prior art front view video capture module. Referring to fig. 2, the front view video capture module mainly includes a cellular communication module, a Main Processor Unit (MPU), and a microcontroller unit (MCU). The cellular communication module is connected with the main antenna, the diversity antenna and the eSIM card to realize cellular communication. The cellular communication module is also connected with the wireless local area network module to realize wireless local area network communication and/or sharing of the wireless local area network. The main processor is connected with the camera, the memory, the storage module, the power management module and the like so as to acquire road conditions in front of the vehicle. The main processor is also connected with the cellular communication module and used for uploading road condition images, videos and the like acquired by the main processor to the cloud end through the cellular communication module. The microcontroller is connected with the cellular communication module and the main processor and is used for controlling the actions of the cellular communication module and the main processor.

When a vehicle starts, turns, parks, meets the vehicle, avoids obstacles and the like, due to the existence of a driving blind area, a driver cannot observe the condition of an area close to the vehicle body, and accidents such as scratching, collision, rolling and the like are easy to happen. In order to avoid the accident, some existing vehicles are equipped with a 360-degree looking around module, which can show the surrounding situation of the vehicle and assist the driver to know the surrounding situation of the vehicle. Fig. 1 is a basic block diagram of a conventional 360-around module. Referring to fig. 1, the 360-degree look-around module includes four cameras, a four-in one-out switch, a Main Processor Unit (MPU), a Microcontroller (MCU), a memory, a storage module, a power management module, a power module, and the like. The four cameras are respectively arranged at the front part, the rear part, the left side and the right side of the vehicle so as to respectively acquire road condition images of the front part, the rear part, the left side and the right side of the vehicle. Road condition images acquired by the four cameras are sent to the main processor in a time-sharing manner through the four-in one-out selector switch. And the main processor processes the road condition images, splices the road condition images into images capable of showing the surrounding conditions of the vehicle, and shows the images to a driver through the vehicle machine. The main processor is also connected with the memory, the storage module and the power management module respectively to assist in realizing the processing function of the main processor on the road condition images. The microcontroller is mainly used for controlling operations such as starting, closing, starting image processing, stopping image processing and the like of components such as a main processor and the like according to an ignition signal and the like. The power module is used for providing power for all parts in the 360-degree look-around module.

In the prior art, the DVR, the forward-looking video capture module, and the 360-degree look-around module are separate modular products mounted on a vehicle, providing independent functions, and each module has components such as a CPU, a power circuit, and a connector for repeated use. The products are connected with each other through a connecting wire harness. The method has the problems of cost waste, large occupied space, low interaction efficiency, low reliability and the like.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a vehicle-mounted terminal, which has the functions of a 360-degree look-around module and a forward-looking video acquisition module and has the advantages of fully utilizing resources, reducing occupied space, improving system interaction efficiency and reliability, reducing overall cost and the like.

in order to solve the above technical problem, the present invention provides an in-vehicle terminal, comprising a main antenna for transceiving a cellular wireless signal; the cellular communication module is connected with the main antenna and is used for cellular network communication; a DVR camera device used for acquiring images and/or videos of at least one of the front, the rear, the left side and the right side of a vehicle carrying the vehicle-mounted terminal; the front-view camera device is used for acquiring images and/or videos in front of a vehicle carrying the vehicle-mounted terminal; the plurality of camera devices are used for acquiring images and/or videos around the vehicle carrying the vehicle-mounted terminal; and the main processor is respectively connected with the DVR camera device, the forward looking camera device, the cellular communication module and the plurality of camera devices, and is used for processing and storing the images and/or videos acquired by the DVR camera device to the storage module, processing the images and/or videos acquired by the forward looking camera device, sending the processed images and/or videos to a cloud terminal through the cellular communication module, processing the images and/or videos acquired by the plurality of camera devices, and outputting the processed images and/or videos.

in an embodiment of the present invention, the vehicle-mounted terminal further includes: and a multi-in and one-out switch, which is connected to the plurality of image capturing devices and the main processor, respectively, and is configured to select one of the plurality of image capturing devices in a time-division manner, so as to output an image and/or a video acquired by the selected image capturing device to the main processor.

In an embodiment of the present invention, the vehicle-mounted terminal further includes: and the diversity antenna is connected with the cellular communication module and is used for diversity receiving and transmitting cellular wireless signals.

In an embodiment of the present invention, the vehicle-mounted terminal further includes: the wireless local area network antenna is used for receiving and transmitting wireless local area network signals; and the wireless local area network module is respectively connected with the wireless local area network antenna and the cellular communication module and is used for realizing wireless local area network communication.

In an embodiment of the present invention, the vehicle-mounted terminal further includes at least one of the following components: an eSIM card connected with the cellular communication module and used for storing subscriber identification information; a first storage module connected to the cellular communication module for storing data; and the second storage module is connected with the main processor and used for storing data.

In an embodiment of the present invention, the vehicle-mounted terminal further includes: and the microcontroller is respectively connected with the cellular communication module and the main processor and is used for controlling the actions of the cellular communication module and the main processor.

in an embodiment of the present invention, the vehicle-mounted terminal further includes: and the data port is connected with the microcontroller and is used for realizing data interaction between the microcontroller and external equipment.

In an embodiment of the present invention, the vehicle-mounted terminal further includes: the USB port is connected with the cellular communication module and is used for realizing data interaction between the cellular communication module and external equipment; and/or LVDS port connected with the main processor for realizing data interaction between the main processor and external equipment.

in an embodiment of the present invention, the vehicle-mounted terminal further includes: and the memory is connected with the main processor and is used for providing temporary storage space for data and/or instructions to be processed by the main processor.

In an embodiment of the present invention, the vehicle-mounted terminal further includes: the power supply module is used for providing power supply for each part in the vehicle-mounted terminal; and/or the power management module is connected with the main processor and is used for performing power management on at least one part of components in the vehicle-mounted terminal according to the instruction of the main processor.

Compared with the prior art, the invention has the following advantages: the automobile data recorder, the forward-looking video acquisition and uploading function and the 360-degree look-around function are integrated together to form the system controller which has the functions of providing a data base for automatic driving training, 360-degree look-around and panoramic parking, vehicle condition information collection, data uploading cloud and the like by analyzing the automobile data recorder and the forward-looking video acquisition and uploading cloud for analysis, so that the system controller has the advantages of fully utilizing resources, reducing occupied space, improving the interaction efficiency and reliability of the system, greatly reducing the overall cost and the like.

Drawings

Fig. 1 is a basic block diagram of a conventional drive recorder;

FIG. 2 is a basic block diagram of a prior art front view video capture module;

FIG. 3 is a basic block diagram of a prior art 360 look-around module;

Fig. 4 is a basic block diagram of a vehicle-mounted terminal of some embodiments of the present invention.

In the figure: 100-vehicle mounted terminal; 101-a cellular communication module; 102-a microcontroller; 103-a main processor; 104-a main antenna; 105-diversity antennas; 106-wireless local area network antenna; 107-wireless local area network module; 108-eSIM card; 109-a first storage module; 110-USB port; 111-an image pickup device; 111-1-camera (front); 111-2-camera (rear); 111-3-camera (left); 111-4-camera (right); 112-multiple-in-one-out switch; 113-forward looking camera; 114-a memory; 115-a second storage module; 116-a power management module; 117-LVDS port; 118-a data port; 119-a power supply module; 120-DVR camera device.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

as used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.

Furthermore, each of the embodiments described below has one or more technical features, and thus, the use of the technical features of any one embodiment does not necessarily mean that all of the technical features of any one embodiment are implemented at the same time or that only some or all of the technical features of different embodiments are implemented separately. In other words, those skilled in the art can selectively implement some or all of the features of any embodiment or combinations of some or all of the features of multiple embodiments according to the disclosure of the present invention and according to design specifications or implementation requirements, thereby increasing the flexibility in implementing the invention.

It will be understood that when an element is referred to as being "on," "connected to," "coupled to" or "contacting" another element, it can be directly on, connected or coupled to, or contacting the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly connected to," "directly coupled to" or "directly contacting" another element, there are no intervening elements present. Similarly, when a first component is said to be "in electrical contact with" or "electrically coupled to" a second component, there is an electrical path between the first component and the second component that allows current to flow. The electrical path may include capacitors, coupled inductors, and/or other components that allow current to flow even without direct contact between the conductive components.

As introduced in the background section, the conventional car event data recorder, the forward-looking video capture module and the 360-degree look-around module are separate module products, each of which performs its corresponding function. The three module products all have the same components such as a processor (CPU), a power supply circuit, a connector, and the like. When the functions of the automobile data recorder, the forward-looking video acquisition module and the 360 around-looking module are realized by using the three module products, the same parts in the three module products are repeated, so that the problems of hardware cost waste, more occupied space, low interaction efficiency, low reliability and the like can be caused. In order to overcome the problems, the invention provides the vehicle-mounted terminal which has the functions of the automobile data recorder, the forward-looking video acquisition module and the 360-degree look-around module, so that resources can be fully utilized, the occupied space is reduced, the interaction efficiency and reliability of the system are improved, and the overall cost is reduced.

fig. 4 is a basic block diagram of a vehicle-mounted terminal of some embodiments of the present invention. Referring to fig. 3, the in-vehicle terminal 100 may include a cellular communication module 101, a main processor 103, a main antenna 104, a plurality of cameras 111, a forward looking camera 113, and a DVR camera 120. The main processor 103 and the main antenna 104 are connected to the cellular communication module 101, respectively. The plurality of imaging devices 111 and the forward-looking imaging device 113 are connected to the main processor 103, respectively.

The primary antenna 104 may be used to transceive cellular wireless signals to enable cellular network communications in cooperation with the cellular communication module 101. In some embodiments, the cellular network may be a 2G (e.g., GSM, IS-95, IS-136, IDEN, PDC, etc.), 3G (e.g., W-CDMA, CDMA-2000, TD-SCDMA, WiMAX, etc.), 4G (e.g., LTE FDD, LTE TDD), etc. format cellular network, and accordingly, the cellular wireless signals may also be wireless signals conforming to one or more of 2G, 3G, and 4G, etc. It is to be appreciated that cellular network communications may include, for example, voice communications, data communications, Short Message Service (SMS) communications, or any combination thereof.

The front-view camera 113 can be used to acquire images and/or videos in front of a vehicle (hereinafter, simply referred to as "vehicle") on which the in-vehicle terminal of the present embodiment is mounted. In some embodiments, forward looking camera 113 may be, for example, a visible light camera, an infrared camera, a lidar, or the like. In some embodiments, forward looking camera 113 may be a wide-angle camera (e.g., a viewing angle of 60 ° or greater), a mid-focus camera (e.g., a viewing angle range of 24 ° to 60 °), or a tele camera (e.g., a viewing angle range of 24 ° or less). In some embodiments, forward looking camera 113 may include one or more cameras, for example two cameras spaced apart to provide binocular vision. It is understood that the forward looking camera 113 may be disposed on a rear view mirror (e.g., left rear view mirror, right rear view mirror, center interior rear view mirror, etc.), a front grille, a front bumper, etc. of the vehicle.

The plurality of cameras 111 may be used to capture images and/or video of the surroundings of the vehicle. Preferably, the plurality of cameras 111 are used mainly for acquiring images and/or videos of the road surface. In some embodiments, the plurality of cameras 111 may be, for example, visible light cameras, infrared cameras, lidar, and the like. In some embodiments, the plurality of cameras 111 may each be a wide-angle camera. In some embodiments, the plurality of cameras 111 may be partially wide-angle cameras and partially mid-focus cameras. The wide-angle camera can have a viewing angle range of 140-180 degrees, and the mid-focus camera can have a viewing angle range of 90-140 degrees.

In some embodiments, plurality of cameras 111 may include, for example, camera 111-1, camera 111-2, camera 111-3, and camera 111-4. Camera 111-1 may be used to acquire images and/or video in front of the vehicle. Camera 111-2 may be used to capture images and/or video behind the vehicle. The camera 111-3 may be used to capture images and/or video of the left side of the vehicle. Camera 111-4 may be used to capture images and/or video of the right side of the vehicle. In some embodiments, a camera 111-1 for capturing images and/or video in front of the vehicle may be provided on the front grille or front bumper. In some embodiments, a camera 111-2 for capturing images and/or video behind the vehicle may be provided on the trunk lid or rear bumper. In some embodiments, a camera 111-3 for capturing images and/or video of the left side of the vehicle may be provided on the left rear view mirror. In some embodiments, a camera 111-4 for capturing images and/or video of the right side of the vehicle may be provided on the right rear view mirror.

It is understood that the plurality of cameras 111 may include more than four cameras. The present invention does not limit the number of the cameras included in the plurality of cameras 111, as long as the plurality of cameras can acquire images and/or videos around the vehicle, and the main processor 103 can perform a stitching process on the images and/or videos.

DVR camera 120 may be used to capture images and/or video of at least one of the front, rear, left side, and right side of the vehicle. In some embodiments, DVR camera 120 may be, for example, a visible light camera, an infrared camera, a lidar, or the like. Preferably, DVR camera 120 may be a wide-angle camera (e.g., a viewing angle of 100 °, 130 °, 150 °, or 180 ° or greater). In some embodiments, DVR camera device 120 may include one or more cameras. For example, the one or more cameras may be disposed on the front windshield to acquire images and/or video in front of the vehicle. For another example, the one or more cameras may be disposed on a rear windshield to capture images and/or video behind the vehicle. Of course, the one or more cameras may also be disposed on the left or right side of the vehicle to capture images and/or video of the left or right side of the vehicle. It will be appreciated that the one or more cameras may also be located on the rear view mirrors (e.g., left, right, center, etc.) of the vehicle, the front grille, the front bumper, etc.

the main processor 103 may be configured to process images and/or videos acquired by the forward looking camera 113, send the processed images and/or videos to the cellular communication module 101, and send the processed images and/or videos to the cloud by the cellular communication module 101, so as to provide a data base for training of automatic driving. It is understood that the cloud may be a server, a Personal Computer (PC), a public cloud, a private cloud, or the like. In some embodiments, the processing by main processor 103 of the images and/or video acquired by forward looking camera 113 may be encoding, compression, noise reduction, sharpening, etc., or any combination thereof.

The main processor 103 may be configured to process images and/or videos acquired by the plurality of cameras 111 and output the processed images and/or videos. The particular manner in which the main processor 103 processes the acquired images and/or video may vary. For example, in some embodiments, the main processor 103 stitches the images and/or videos acquired by the plurality of cameras 111 to form a panoramic overhead image and/or video of the vehicle's surroundings. Preferably, in some of the above embodiments, in the stitched images and/or videos, a vehicle (for example, an overhead view of the vehicle) is located at the center of the panoramic overhead view image and/or video, and the stitched images and/or videos obtained by stitching the images and/or videos obtained by the plurality of cameras 111 are located at the periphery of the vehicle. It will be appreciated that the processing of the images and/or video acquired by the plurality of cameras 111 by the main processor 103 may also be distortion correction, noise reduction, sharpening, etc. Of course, the processing of the images and/or videos acquired by the plurality of cameras 111 by the main processor 103 may include any combination of one or more of the above-described processing. And the processing of the images and/or videos acquired by the plurality of cameras 111 by the main processor 103 is not limited to the above-mentioned several processing methods. For example, in some embodiments, the main processor 103 may also highlight locations in the stitched images and/or video where the vehicle may be scratched or collided with.

The main processor 103 may be used to process images and/or video acquired by the DVR camera 120. In some embodiments, the processing of the images and/or video acquired by DVR camera 120 by main processor 103 may be encoding, compression, noise reduction, sharpening, etc., or any combination thereof.

It is appreciated that the main processor 103 may include, for example, a microcontroller, a microprocessor, a Reduced Instruction Set Computer (RISC), an Application Specific Integrated Circuit (ASIC), an application specific instruction set processor (ASIP), a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a Physical Processing Unit (PPU), a single chip microcomputer, a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), an advanced reduced instruction set system (ARM), a Programmable Logic Device (PLD), any circuit or processor capable of performing at least one function, or the like, or any combination thereof.

With continued reference to fig. 3, in some embodiments, the in-vehicle terminal 100 may further include a multi-in and one-out switch 112. The multiple-in/multiple-out changeover switch 112 is connected to the plurality of imaging devices 111 and the main processor 103, respectively. The multiple-in and one-out changeover switch 112 may be used to select one of the plurality of image pickup devices 111 by time division to output the image and/or video acquired by the selected image pickup device 111 to the main processor 103. Taking four image capturing devices, namely, the image capturing device 111-1, the image capturing device 111-2, the image capturing device 111-3 and the image capturing device 111-4, as an example, in a first period of time, the multi-in and one-out switch 112 can select the image capturing device 111-1, and output one or more frames of images in front of the vehicle acquired by the image capturing device 111-1 to the main processor 103; in a second time period, the multi-in and multi-out switch 112 can select the camera 111-2 and output one or more frames of images behind the vehicle acquired by the camera 111-2 to the main processor 103; in a third time period, the multi-in and multi-out switch 112 can select the camera 111-3, and output one or more frames of images on the left side of the vehicle acquired by the camera 111-3 to the main processor 103; in a fourth time period, the one-in-one-out switch 112 can select the camera 111-4, and output one or more images of the right side of the vehicle acquired by the camera 111-4 to the main processor 103; in a fifth time period, the one-in-one-out switch 112 can select the camera 111-1 again; and so on. The main processor 103 may perform a stitching process on a plurality of images of the plurality of imaging devices 111 obtained by time division. It is understood that when the plurality of image pickup devices 111 includes four image pickup devices, the multiple-in-one-out switch 112 may be a four-in-one-out switch accordingly.

In some embodiments, with continued reference to fig. 3, the vehicle-mounted terminal 100 may also include a diversity antenna 105. The diversity antenna 105 is connected to the cellular communication module 101 for diversity transceiving cellular radio signals. It is understood that the diversity antenna 105 can receive the cellular wireless signal together with the main antenna 104, and the cellular wireless signal that the diversity antenna 105 can receive with the main antenna 104 can be selected and combined at the cellular communication module 101 to reduce the influence of the fading of the cellular wireless signal, thereby improving the signal-to-noise ratio of the received cellular wireless signal. In some embodiments, diversity antenna 105 may include one or more antennas, e.g., 2 antennas, 4 antennas.

The in-vehicle terminal 100 may further include a wireless local area network antenna 106 and a wireless local area network module 107. The wireless lan module 107 is connected to the wireless lan antenna 106 and the cellular communication module 101, respectively. The wireless local area network antenna 106 may be used for transceiving wireless local area network signals. The wireless lan module 106 and the wireless lan module 107 cooperate with each other to implement wireless lan communication. The wireless local area network may, for example, comprise a wireless network conforming to the IEEE802.11 family of standards, a wireless network conforming to the bluetooth standard, a wireless network conforming to the Zigbee standard, or any combination thereof. In some embodiments, the wlan module 107 may be connected to the cellular communication module 101 through a Universal Asynchronous Receiver/Transmitter (UART). In some embodiments, the cellular communication module 101 and the wireless local area network module 107 may cooperate to convert a cellular network into a wireless local area network such that a user terminal connected to the wireless local area network may connect to the internet via the cellular network.

In some embodiments, the in-vehicle terminal 100 may further include an eSIM card 108. The eSIM card 108 can be connected to the cellular communication module 101 for storing subscriber identification information. It is understood that the subscriber identification information stored by the eSIM card 108 can be used by a cellular network operator to authenticate a subscriber to determine whether the in-vehicle terminal 100 has access to the cellular network and is authorized for cellular network communications. In some embodiments, the eSIM card 108 can be a chip capable of storing subscriber identification information.

In some embodiments, the in-vehicle terminal 100 may further include a first storage module 109. The first storage module 109 is connected to the cellular communication module 101 for storing data. In some embodiments, the first storage module 109 may include, for example, an eMMC memory, a flash memory chip, an SSD memory, etc., or any combination thereof, provided within the in-vehicle terminal 100. The first storage module 109 may also be a TF card, an MMC card, an SD card, or the like, or any combination thereof, disposed in a card slot provided in the in-vehicle terminal 100. In some embodiments, the first storage module 109 may be connected to the cellular communication module 101 through an SDIO (Secure Digital Input/Output) interface.

In some embodiments, the in-vehicle terminal 100 may further include a USB port 110. The USB port 110 is connected to the cellular communication module 101 for data interaction between the cellular communication module 101 and external devices. In some embodiments, cellular communication module 101 may connect with a car machine through USB port 110 to enable data interaction.

In some embodiments, the in-vehicle terminal 100 may further include a memory 114. The memory 114 is coupled to the host processor 103 and is used to provide temporary storage space for data and/or instructions to be processed by the host processor 103. For example, memory 114 may temporarily store image data and/or video data acquired by forward looking camera 113, DVR camera 120, and/or multiple cameras 111. For another example, the memory 114 may temporarily store program instructions required by the main processor 103 to process image data and/or video data, which may be encoding, compressing, denoising, sharpening, stitching, distortion correction, or the like, or any combination thereof. The memory 114 may include, for example, Dynamic RAM (DRAM), double data rate synchronous dynamic RAM (DDR SDRAM), Static RAM (SRAM), thyristor RAM (T-RAM), zero capacitance RAM (Z-RAM), and the like, or any combination thereof.

In some embodiments, the in-vehicle terminal 100 may further include a second storage module 115. The second storage module 115 is connected to the main processor 103 for storing data. For example, the second storage module 115 may store image data and/or video data acquired by the forward looking camera 113 and/or the DVR camera 120. For another example, the second storage module 115 may store image data and/or video data processed by the main processor 103. In some embodiments, the second storage module 115 may include, for example, an eMMC memory, a flash memory chip, an SSD memory, etc., or any combination thereof, provided within the in-vehicle terminal 100. The second storage module 115 may also be a TF card, an MMC card, an SD card, or the like, or any combination thereof, disposed in a card slot provided in the in-vehicle terminal 100. In some embodiments, the second storage module 115 may be connected to the host processor 103 via an SDIO (Secure Digital Input/Output) interface.

In some embodiments, the in-vehicle terminal 100 may further include a power management module 116. The power management module 116 is connected to the main processor 103 and configured to perform power management on at least some components in the vehicle-mounted terminal 100 according to an instruction of the main processor 103. The components may be a cellular communication module 101, a main processor 103, a wireless local area network module 107, a first memory module 109, a camera 111, a forward looking camera 113, a second memory module 115, a microcontroller 102, etc.

In some embodiments, the in-vehicle terminal 100 may further include a Low-Voltage Differential Signaling (LVDS) port 117. The LVDS port 117 is connected to the main processor 103 for enabling data interaction of the main processor 103 with external devices. In some embodiments, the main processor 103 may be connected to the vehicle via the LVDS port 117 to implement data interaction, for example, to send image data and/or video data acquired by the forward looking camera 113 to the vehicle, and for example, to send images and/or videos acquired by the multiple cameras 111 after being spliced by the main processor 103 to the vehicle, which are displayed by the vehicle to assist the driver in observing the surrounding situation of the vehicle.

In some embodiments, the in-vehicle terminal 100 may further include a Microcontroller (MCU) 102. The microcontroller 102 may be connected to the cellular communication module 101 and the main processor 103, respectively, for controlling the actions of the cellular communication module 101 and the main processor 103. In some embodiments, the microcontroller 102 may comprise, for example, an ARM processor, a DSP processor, a Field Programmable Gate Array (FPGA), a Programmable Logic Device (PLD), a single-chip microcomputer, an ASIC, or the like, or any combination thereof. It will be appreciated that the actions of the cellular communication module 101 may be to implement one or more of its own functions. For example, the cellular communication module 101 may perform cellular network communication by the cellular communication module 101 cooperating with the main antenna 104, or may perform wireless local area network communication by the cellular communication module 102 cooperating with the wireless local area network module 107. It will also be appreciated that the actions of the main processor 103 may be to implement one or more of its functions. For example, the action of the main processor 103 may be processing images and/or video acquired by the forward looking camera 113 and/or the DVR camera 120 may be encoding, compressing, denoising, sharpening, and the like. For another example, the operation of the main processor 103 may be to perform a stitching process on images acquired by the plurality of imaging devices 111. As another example, the action of the main processor 103 may be reading and writing to the memory 114, the second memory module 115.

in some embodiments, the in-vehicle terminal 100 also includes a data port 118. The data port 118 is connected to the microcontroller 102 for data interaction between the microcontroller 102 and external devices. Specifically, the ignition signal of the vehicle may be transmitted to the microcontroller 102 through the data port 118, thereby triggering the microcontroller 102 to operate.

In some embodiments, the in-vehicle terminal 100 further includes a power module 119. The power module 119 is connected to a battery of the vehicle, and supplies power to various components in the in-vehicle terminal 100 after converting a battery voltage.

As described above, the vehicle-mounted terminal 100 of the present invention has functions of a vehicle event data recorder, a forward-looking video capture module and a 360-degree looking around module, and forms a system controller having functions of a vehicle event data recorder, a vehicle video capture in front of a vehicle and uploading to a cloud for analysis, thereby providing a data base for training of automatic driving, 360-degree looking around and panoramic parking, vehicle condition information collection, data uploading to a cloud, and the like, and has advantages of fully utilizing resources, reducing occupied space, improving system interaction efficiency and reliability, and greatly reducing overall cost, and the like. The in-vehicle terminal 100 may be implemented by a cellular communication module 101, a main processor 103, a microcontroller 102, a DVR camera 120, a forward-looking camera 113, a plurality of cameras 111, a multi-in-and-out switch 112, and a power module 119. Compared with the technical scheme realized by the combination of three module products, namely a vehicle event data recorder, a forward-looking video acquisition module and a 360 around-looking module, the vehicle-mounted terminal 100 omits a main processor, a microcontroller, a power module and a peripheral circuit with an overlapping function, and has the advantages of fully utilizing resources, reducing occupied space, improving system interaction efficiency and reliability, reducing overall cost and the like.

Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

The various illustrative logical modules, and circuits described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.

Although the present invention has been described with reference to the present specific embodiments, it will be appreciated by those skilled in the art that the above embodiments are merely illustrative of the present invention, and various equivalent changes and substitutions may be made without departing from the spirit of the invention, and therefore, it is intended that all changes and modifications to the above embodiments within the spirit and scope of the present invention be covered by the appended claims.

Claims

1. A vehicle-mounted terminal characterized by comprising:

A main antenna for transceiving cellular wireless signals;

The cellular communication module is connected with the main antenna and is used for cellular network communication;

A DVR camera device used for acquiring images and/or videos of at least one of the front, the rear, the left side and the right side of a vehicle carrying the vehicle-mounted terminal;

The front-view camera device is used for acquiring images and/or videos in front of a vehicle carrying the vehicle-mounted terminal;

The plurality of camera devices are used for acquiring images and/or videos around the vehicle carrying the vehicle-mounted terminal; and

And the main processor is respectively connected with the DVR camera device, the forward looking camera device, the cellular communication module and the plurality of camera devices, and is used for processing and storing the images and/or videos acquired by the DVR camera device to the storage module, processing the images and/or videos acquired by the forward looking camera device, sending the processed images and/or videos to a cloud terminal through the cellular communication module, processing the images and/or videos acquired by the plurality of camera devices, and outputting the processed images and/or videos.

2. The in-vehicle terminal according to claim 1, wherein the in-vehicle terminal further comprises:

And a multi-in and one-out switch, which is connected to the plurality of image capturing devices and the main processor, respectively, and is configured to select one of the plurality of image capturing devices in a time-division manner, so as to output an image and/or a video acquired by the selected image capturing device to the main processor.

3. The in-vehicle terminal according to claim 1, wherein the in-vehicle terminal further comprises:

and the diversity antenna is connected with the cellular communication module and is used for diversity receiving and transmitting cellular wireless signals.

4. The in-vehicle terminal according to claim 1, wherein the in-vehicle terminal further comprises:

The wireless local area network antenna is used for receiving and transmitting wireless local area network signals;

And the wireless local area network module is respectively connected with the wireless local area network antenna and the cellular communication module and is used for realizing wireless local area network communication.

5. the in-vehicle terminal according to claim 1, further comprising at least one of:

An eSIM card connected with the cellular communication module and used for storing subscriber identification information;

A first storage module connected to the cellular communication module for storing data;

and the second storage module is connected with the main processor and used for storing data.

6. The in-vehicle terminal according to claim 1, wherein the in-vehicle terminal further comprises:

And the microcontroller is respectively connected with the cellular communication module and the main processor and is used for controlling the actions of the cellular communication module and the main processor.

7. The in-vehicle terminal according to claim 6, wherein the in-vehicle terminal further comprises:

And the data port is connected with the microcontroller and is used for realizing data interaction between the microcontroller and external equipment.

8. The in-vehicle terminal according to claim 1, wherein the in-vehicle terminal further comprises:

The USB port is connected with the cellular communication module and is used for realizing data interaction between the cellular communication module and external equipment; and/or

And the LVDS port is connected with the main processor and is used for realizing data interaction between the main processor and external equipment.

9. The in-vehicle terminal according to claim 1, wherein the in-vehicle terminal further comprises:

and the memory is connected with the main processor and is used for providing temporary storage space for data and/or instructions to be processed by the main processor.

10. the in-vehicle terminal according to claim 1, wherein the in-vehicle terminal further comprises:

The power supply module is used for providing power supply for each part in the vehicle-mounted terminal; and/or

and the power management module is connected with the main processor and used for performing power management on at least one part of components in the vehicle-mounted terminal according to the instruction of the main processor.