CN208479618U - Car-mounted terminal - Google Patents

Abstract

The utility model provides a kind of car-mounted terminal, comprising: primary antenna is used for communicating cellular wireless signal；Cellular communication module is connect with primary antenna, is used for cellular network communication；Photographic device, for obtaining the image and/or video of vehicle front；Primary processor is connect with photographic device, and the image and/or video for obtaining to photographic device are handled；CAN transceiver, for receiving the data in CAN bus and/or transmitting data to CAN bus；And microcontroller, it is separately connected with cellular communication module and CAN transceiver, for carrying out protocol conversion to the data interacted between CAN transceiver and cellular communication module.The car-mounted terminal of the utility model uses and integrates intelligent gateway and two function of forward sight video acquisition module, respective function is implemented separately compared to two functions, eliminate the device of overlapping function, reduce device the space occupied, while effectively utilizing resource, system interaction efficiency and reliability is improved, whole development cost is reduced.

Description

Car-mounted terminal

Technical field

The utility model relates generally to automobile technical field more particularly to a kind of car-mounted terminal.

Background technique

Car networking is a kind of by information and communication technology (ICT), realizes car, Che Yuche, Che Yulu, Che Yuren, vehicle and service The emerging technology of platform interconnection.For these interconnections in realization car networking technology, currently used technology is usually Intelligent gateway is set in the car to realize.Fig. 1 is the fundamental block diagram of existing intelligent gateway.Refering to what is shown in Fig. 1, intelligent gateway master It to include processor, and CAN transceiver, Ethernet switch and cellular communication module connected to the processor respectively.In intelligence In energy gateway, processor is mainly to the data of interaction both any in CAN transceiver, Ethernet switch and cellular communication module Carry out protocol conversion.Similarly, intelligent gateway also includes the power module connecting with battery, to each component in intelligent gateway Power supply is provided.

Automatic Pilot is the popular research direction of vehicle enterprise, science-and-technology enterprise etc..The realization of automatic Pilot needs road conditions big data Support.Currently used means are the image informations that forward sight video acquisition module is arranged on vehicle and acquires vehicle front, and Acquired image information is uploaded into cloud, road conditions big data is provided with the training for automatic Pilot and supports.Fig. 2 is existing The fundamental block diagram of forward sight video acquisition module.Refering to what is shown in Fig. 2, forward sight video acquisition module mainly include cellular communication module, Primary processor (MPU) and microcontroller (MCU).Cellular communication module and primary antenna, diversity antenna and eSIM card connect, to realize Cellular communication.Cellular communication module is also connect with Wireless LAN module, to realize wireless LAN communication and/or wireless local area Net is shared.Primary processor and camera, memory, memory module, power management module etc. are connect, to realize to vehicle front Road conditions are acquired.Primary processor is also connect with cellular communication module, and road conditions image, the video etc. to be acquired pass through bee Nest communication module is uploaded to cloud.Microcontroller is connect with cellular communication module, primary processor, for controlling cellular communication mould The movement of block, primary processor.

When driving, the traffic accidents such as scratch, collision happen occasionally.In traffic accident fix duty, need corresponding Evidence determine responsibility, and there are dead angles for current road monitoring etc., when traffic accident occurring in these dead angles, Wu Fati For video evidence, it will lead to traffic accident and be difficult to fix duty.To overcome this defect, existing vehicle usually will be installed driving recording Instrument is recorded the environment of vehicle front and/or surrounding, is determined when in order to which traffic accident occurs when vehicle travels Duty.Fig. 3 is the fundamental block diagram of existing automobile data recorder (DVR).Refering to what is shown in Fig. 3, automobile data recorder mainly includes DVR camera shooting Head, primary processor (MPU), microcontroller (MCU), memory, internal storage, display screen, key, outer memory module, acceleration Spend sensor, microphone etc..Memory, internal storage, display screen, key, outer memory module and microphone respectively with main place Device connection is managed, the environment of vehicle front and/or surrounding is recorded, shows and other setting etc. to realize.Microcontroller Device is connect with primary processor, is mainly used for controlling the various functions of primary processor realization.Acceleration transducer is connect with microcontroller, For sensing the accidents such as whether collide.In addition, microcontroller also receives ignition signal, ignition signal as microcontroller, The trigger signal of the start-up operations such as primary processor.Certainly, automobile data recorder further includes the power module connecting with battery, to row Each component in vehicle recorder provides power supply.

For the acquisition of car networking interconnection and automatic Pilot training data, existing way is usually to pacify simultaneously on vehicle Fill DVR, intelligent gateway and forward sight video acquisition module, but this way have it is at high cost, at least need to occupy three interfaces Disadvantage.Therefore, a kind of car-mounted terminal of low cost is needed at present to realize that intelligent gateway and forward sight video acquisition module are had Function.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of car-mounted terminals, with DVR, intelligent gateway and forward sight The function of video acquisition module, and have and make full use of resource, reduce occupied space, improve system interaction efficiency and reliable Property, reduce the advantages such as overall cost.

In order to solve the above technical problems, the utility model provides a kind of car-mounted terminal, comprising:

Primary antenna is used for communicating cellular wireless signal；

Cellular communication module is connect with the primary antenna, is used for cellular network communication；

Photographic device, for obtaining the image and/or video that carry the vehicle front of the car-mounted terminal；

DVR photographic device, for obtaining the vehicle front for carrying the car-mounted terminal, rear, in left and right side at least The image and/or video of one；

Memory module, for storing data；

Primary processor is separately connected with the DVR photographic device, the photographic device and the cellular communication module, for this The image and/or video that DVR photographic device obtains are handled and are stored to the memory module, are also used to obtain the photographic device The image and/or video taken is handled, and treated image and/or video are sent to cloud by the cellular communication module End；

CAN transceiver, for receiving the data in CAN bus and/or transmitting data to CAN bus；And

Microcontroller is separately connected with the cellular communication module and the CAN transceiver, for controlling the cellular communication module Movement, and protocol conversion is carried out to the data that interact between the CAN transceiver and the cellular communication module.

In an embodiment of the utility model, the car-mounted terminal further include:

Diversity antenna is connect with the cellular communication module, is used for diversity communicating cellular wireless signal.

In an embodiment of the utility model, the car-mounted terminal further include:

Wireless lan antenna is used for transmitting/receiving wireless local area network signal；

Wireless LAN module is separately connected, for realizing nothing with the wireless lan antenna and the cellular communication module Line local area network communication.

In an embodiment of the utility model, the car-mounted terminal further include: eSIM card connects with the cellular communication module It connects, for storing customer identification information.

In an embodiment of the utility model, the car-mounted terminal further include:

Ethernet switch is connect with the microcontroller, for receiving and dispatching the data packet for meeting Ethernet protocol；Wherein, should Microcontroller is also used to interaction between the two any in the CAN transceiver, the cellular communication module and the Ethernet switch Data carry out protocol conversion.

In an embodiment of the utility model, which further includes one or more of following:

Data port is connect with the microcontroller, for realizing the data interaction of the microcontroller and external equipment；

The port UART is connect with the microcontroller, for realizing the data interaction of the microcontroller and external equipment；

The port LVDS is connect with the primary processor, for realizing the data interaction of the primary processor and external equipment.

In an embodiment of the utility model, the car-mounted terminal further include:

Memory is connect with the primary processor, interim for providing data to be processed and/or instruction for the primary processor Memory space.

In an embodiment of the utility model, the car-mounted terminal further include:

Memory module is connect, for storing data with the primary processor.

In an embodiment of the utility model, the car-mounted terminal further include:

Power module, for providing power supply for each component in the car-mounted terminal；

Power management module is connect with the primary processor, for the instruction according to the primary processor in the car-mounted terminal At least part of component carry out power management.

Compared with prior art, the utility model has the advantage that

The car-mounted terminal of the utility model has the function of DVR, intelligent gateway and forward sight video acquisition module, relative to by DVR, intelligent gateway and the combination of these three module products of forward sight video acquisition module are to realize with DVR, intelligent gateway and forward sight The technical solution of the function of video acquisition module, the car-mounted terminal of the utility model eliminate the cellular communication with overlapping function Module, primary processor, microcontroller, power module and peripheral circuit have and make full use of resource, reduce occupied space, improve The advantages such as system interaction efficiency and reliability and reduction overall cost.

Detailed description of the invention

Fig. 1 is the fundamental block diagram of existing intelligent gateway.

Fig. 2 is the fundamental block diagram of existing forward sight video acquisition module.

Fig. 3 is the fundamental block diagram of existing automobile data recorder (DVR).

Fig. 4 is the fundamental block diagram of the car-mounted terminal of some embodiments of the utility model.

In figure:

100- car-mounted terminal；

101- cellular communication module；

102- microcontroller；

103- primary processor；

104- primary antenna；

105- diversity antenna；

106- wireless lan antenna；

107- Wireless LAN module；

108-eSIM card；

109-CAN transceiver；

110- Ethernet switch；

The port 111-UART；

112- data port；

113- photographic device；

114- memory；

115- memory module；

116- power management module；

The port 117-LVDS；

118- power module；

130-DVR photographic device.

Specific embodiment

It is practical to this below in conjunction with attached drawing for the above objects, features, and advantages of the utility model can be clearer and more comprehensible Novel specific embodiment elaborates.

Many details are explained in the following description in order to fully understand the utility model, but this is practical new Type can also be implemented using other different from other way described herein, therefore the utility model is not by following public tool The limitation of body embodiment.

The certain terms for indicating particular system components have been used throughout specification and claims.Such as the technology of this field What personnel will be understood that, different company may indicate a component with different titles.But function different in title is not expected herein It is distinguished between identical component.In the specification and in the claims, term " includes " and "comprising" press open side Formula uses, and therefore should be interpreted " including, but are not limited to ... ".

As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one The words such as kind " and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " includes " only prompts to wrap with "comprising" Include clearly identify the step of and element, and these steps and element do not constitute one it is exclusive enumerate, method or apparatus The step of may also including other or element.

In addition, each embodiment of following description is respectively provided with one or more technical characteristics, so this is not meant to It must implement all technical characteristics in any embodiment simultaneously using the utility model person, or be only capable of being performed separately different implementations One or all technical characteristic in example.In other words, under the premise of being embodied as possible, those skilled in the art can be according to this The disclosure of utility model, and design specification or implementation demand are regarded, selectively implement in any embodiment partly or entirely Technical characteristic, or selectively implement the combination of all or part of technical characteristic in multiple embodiments, increase this whereby Elasticity when utility model is implemented.

It is referred to as " on the other part " it should be appreciated that working as a component, " being connected to another component ", " is coupled in When another component " or " contacting another component ", it can directly on another component, be connected or coupled to, Or another component is contacted, or may exist insertion part.In contrast, when a component is referred to as " directly another On a component ", " being directly connected in ", " being coupled directly to " or when " directly contact " another component, insertion part is not present.Together Sample, when first component referred to as " is in electrical contact " or " being electrically coupled to " second component, in the first component and this second There is the power path for allowing electric current flowing between part.The power path may include capacitor, the inductor of coupling and/or permission electricity Other components of flowing, or even do not contacted directly between conductive component.

If background technology part is introduced, existing DVR, intelligent gateway and forward sight video acquisition module are individual moulds Block product respectively exercises its corresponding function.Cellular communication module, processor (CPU), electricity are all had in these three module products The identical component such as source circuit, connector.When realizing intelligent gateway and forward sight video acquisition jointly using these three module products When the function of module, identical component is duplicate in three module products, therefore, it may appear that hardware cost waste occupies more More spaces, the problems such as interactive efficiency is low and reliability is low.In order to overcome these problems, the utility model proposes a kind of same When have intelligent gateway and forward sight video acquisition module function car-mounted terminal, can make full use of resource, reduce and occupy System interaction efficiency and reliability is improved, and reduces overall cost in space.

Fig. 4 is the fundamental block diagram of the car-mounted terminal of some embodiments of the utility model.Refering to what is shown in Fig. 4, car-mounted terminal 100 May include cellular communication module 101, microcontroller (MCU) 102, primary processor 103, primary antenna 104, CAN transceiver 109, DVR photographic device 130 and photographic device 113.Microcontroller 102, primary processor 103 and primary antenna 104 respectively with cellular communication Module 101 connects.Photographic device 113 is connect with primary processor 103.CAN transceiver 109 is connect with microcontroller 102.

Primary antenna 104 can be used for communicating cellular wireless signal, to match realization Cellular Networks with cellular communication module 101 Network communication.In some embodiments, cellular network can be 2G (such as GSM, IS-95, IS-136, IDEN, PDC etc.), 3G (example Such as W-CDMA, CDMA-2000, TD-SCDMA, WiMAX), the cellular networks of the standards such as 4G (such as LTE FDD, LTE TDD), Correspondingly, cellular radio signal is also the wireless signal for meeting one of 2G, 3G and 4G etc. or multiple types.It is appreciated that Cellular network communication can be logical for example including voice communication, data communication, short message (Short Message Service, SMS) Letter, or any combination thereof.

CAN transceiver 109 is for receiving the data in CAN bus and/or transmitting data to CAN bus.It can manage Solution, the data that CAN transceiver 109 is received from CAN bus can be sent to microcontroller 102, be docked by microcontroller 102 The data received are further processed, such as carry out protocol conversion etc..What microcontroller 102 can be generated meets CAN bus The data of agreement are sent to CAN transceiver 109, and then are transmitted data in CAN bus by CAN transceiver 109.Although scheming In embodiment shown in 4, only there is a CAN transceiver 109, it is to be understood that, it may include multiple in car-mounted terminal 100 CAN transceiver 109, and these CAN transceivers 109 are connect with microcontroller 102 respectively.

Microcontroller 102 can also control the movement of cellular communication module 101.It is appreciated that cellular communication module 101 Movement, which can be, realizes one of its function or a variety of.For example, the movement of cellular communication module 101 can be bee Nest communication module 101 matches realization cellular network communication with primary antenna 104, can also be cellular communication module 101 and main place It manages device 103 and realizes data interaction.In some embodiments, microcontroller 102 can also be to CAN transceiver 109 and cellular communication The data of interaction carry out protocol conversion between module 101.Specifically, microcontroller 102 can receive CAN transceiver 109 To the data conversion for meeting CAN bus agreement at the data for meeting cellular network communication agreement, microcontroller 102 can also will The data conversion that cellular communication module 101 is sent is at the data for meeting CAN bus agreement.Microcontroller 102 can be wrapped for example Include arm processor, dsp processor, field programmable gate array (FPGA), programmable logic device (PLD), single-chip microcontroller, ASIC Deng, or any combination thereof.

Before photographic device 113 can be used for obtaining the vehicle (hereinafter referred to as " vehicle ") for carrying the car-mounted terminal of the present embodiment The image and/or video of side.In some embodiments, photographic device 113 for example can be visible image capturing head, infrared photography Head, laser radar etc..In some embodiments, photographic device 113 can with wide-angle camera (such as visual angle be more than or equal to 60 °), Middle coke camera (such as angular field of view is 24 °~60 °) or focal length camera (such as angular field of view is less than or equal to 24 °).One In a little embodiments, photographic device 113 may include one or more cameras, such as can be spaced two camera shootings Head, to constitute binocular vision.It is appreciated that rearview mirror (such as the left-hand mirror, the right side in vehicle can be set in photographic device 113 Rearview mirror, central inside rear-view mirror etc.), preceding grid, bumper etc..

DVR photographic device 130 can be used for obtaining at least one of vehicle front, rear, left and right side image and/ Or video.In some embodiments, DVR photographic device 130 for example can be visible image capturing head, infrared camera, laser thunder Up to etc..Preferably, DVR photographic device 130 can with wide-angle camera (such as visual angle be more than or equal to 100 °, 130 °, 150 ° or 180°).In some embodiments, DVR photographic device 130 may include one or more cameras.For example, the one or more Camera can be set on front windshield, to obtain the image and/or video of vehicle front.In another example this or more A camera can be set on rear seat windscreen, to obtain the image and/or video of rear of vehicle.Certainly, this or more A camera can also be set to the left or right side of vehicle, to obtain the image and/or video of vehicle left side or right side.It can be with Understand, one or more cameras can also be arranged in vehicle rearview mirror (such as left-hand mirror, right rear view mirror, in Entreat inside rear-view mirror etc.), preceding grid, front bumper etc..

The image and/or video that primary processor 103 can be used for obtaining photographic device 113 are handled, and will processing Image and/or video afterwards is sent to cellular communication module 101, will treated image and/or view by cellular communication module 101 Frequency is sent to cloud, to provide data basis for the training of automatic Pilot.It is appreciated that the cloud can be server, PC (personal computer, PC), public cloud, private clound etc..In some embodiments, primary processor 103 is to taking the photograph The processing that the image and/or video obtained as device 113 carries out can be coding, compression, noise reduction, sharpening etc. or its any group It closes.Primary processor 103 for example may include microcontroller, microprocessor, Reduced Instruction Set Computer (RISC), dedicated integrated electricity Road (ASIC), dedicated instruction set processor (ASIP), central processing unit (CPU), graphics processor (GPU), physical processor (PPU), single-chip microcontroller, digital signal processor (DSP), field programmable gate array (FPGA), advanced reduced instruction collecting system (ARM), programmable logic device (PLD), any circuit or processor etc. or its any group that are able to carry out at least one function It closes.

A in at least some embodiments of the utility model, primary processor 101 can be used for obtaining DVR photographic device 102 The image and/or video taken is handled, and treated image and/or video are stored to memory module 105.In some realities It applies in example, primary processor 101 can be coding, pressure to the processing of the image obtained of DVR photographic device 102 and/or video progress Contracting, noise reduction, sharpening etc., or any combination thereof.

In some embodiments, with continued reference to FIG. 4, car-mounted terminal 100 can also include diversity antenna 105.Diversity day Line 105 is connect with cellular communication module 101, is used for diversity communicating cellular wireless signal.It is appreciated that diversity antenna 105 can be with Receive cellular radio signal together with primary antenna 104, cellular communication module 101 can be with main day to diversity antenna 105 The received cellular radio signal of line 104 is selected, is merged, and to mitigate the influence of cellular radio signal decline, is connect to be promoted The signal-to-noise ratio of the cellular radio signal received.In some embodiments, diversity antenna 105 may include one or more antenna, Such as 2 antennas, 4 antennas.

Car-mounted terminal 100 can also include wireless lan antenna 106 and Wireless LAN module 107.WLAN Module 107 is separately connected with wireless lan antenna 106 and cellular communication module 101.Wireless lan antenna 106 can be used for Transmitting/receiving wireless local area network signal.Wireless office may be implemented in Wireless LAN module 106 and the mutual cooperation of Wireless LAN module 107 Domain Network Communication.The WLAN can be for example including meeting the wireless network of IEEE802.11 series standard, meet bluetooth The wireless network of standard, the wireless network for meeting Zigbee standard, or any combination thereof.In some embodiments, WLAN mould Block 107 can by universal asynchronous receiving-transmitting transmitter (Universal Asynchronous Receiver/Transmitter, UART) it is connected to cellular communication module 101.In some embodiments, cellular communication module 101 and Wireless LAN module 107 It can work in coordination, realize and cellular network is converted into WLAN, so as to be connected to the user terminal of the WLAN Internet can be connected to via the cellular network.

In some embodiments, car-mounted terminal 100 can also include eSIM card 108.ESIM card 108 can be with cellular communication Module 101 connects, for storing customer identification information.It is appreciated that the customer identification information that is stored of eSIM card 108 can be by Cellular network operator is for identifying user, to determine whether car-mounted terminal 100 has permission to access the cellular network, whether has the right Limit carries out cellular network communication.In some embodiments, eSIM card 108, which can be, can store customer identification information chip.

In some embodiments, car-mounted terminal 100 further includes Ethernet switch 110.Ethernet switch 110 and micro-control Device 102 processed connects, for receiving and dispatching the data packet for meeting Ethernet protocol.Car-mounted terminal 100 include cellular communication module 101, In CAN transceiver 109 and the embodiment of Ethernet switch 110, microcontroller 102 is also used to CAN transceiver 109, honeycomb The data of interaction carry out protocol conversion between any the two in communication module 101 and Ethernet switch 110.Although shown in Fig. 4 In embodiment out, only there is an Ethernet switch 110, it is to be understood that, car-mounted terminal 100 may include multiple ether Network switch 110, and these Ethernet switches 110 are respectively connected to microcontroller 102.

In some embodiments, car-mounted terminal 100 further includes universal asynchronous receiving-transmitting transmitter (Universal Asynchronous Receiver/Transmitter, UART) port 111.The port UART 111 is connect with microcontroller 102, For realizing the data interaction of microcontroller 102 and external equipment.In some embodiments, microcontroller 102 can pass through The port UART 111 is connect with vehicle device, to realize data interaction.

In some embodiments, car-mounted terminal 100 further includes data port 112.Data port 112 and microcontroller 102 Connection, for realizing the data interaction of microcontroller 102 and external equipment.Specifically, the ignition signal of vehicle can pass through number It is transferred to microcontroller 102 according to port 112, to trigger the start-up operation of microcontroller 102.

In some embodiments, car-mounted terminal 100 can also include memory 114.Memory 114 is connect with primary processor 103, For providing data to be processed and/or instruction to temporary memory space for primary processor 103.For example, memory 114 can be to face When storage photographic device 113 obtain image data and/or video data.In another example memory 114 can temporarily store main process task Program instruction needed for device 103 handles image data and/or video data, the program instruction can be coding, compression, noise reduction, Sharpening, splicing, distortion correction etc., or any combination thereof.In another example memory 109 can be interim storage DVR photographic device 102 And/or the image data and/or video data of multiple acquisitions of photographic devices 103.Memory 114 for example may include dynamic ram (DRAM), Double Date Rate synchronous dynamic ram (DDR SDRAM), static state RAM (SRAM), thyristor RAM (T-RAM), zero Capacitor RAM (Z-RAM) etc., or any combination thereof.

In some embodiments, car-mounted terminal 100 can also include memory module 115.Memory module 115 and primary processor 103 connections, for storing data.For example, memory module 115 can store the image data and/or view of the acquisition of photographic device 113 Frequency evidence.Treated in another example memory module 115 can store primary processor 103 image data and/or video data.? In some embodiments, memory module 115 can be stored for example including eMMC memory, the flash being set in car-mounted terminal 100 Chip, SSD memory etc. or any combination thereof.Memory module 115, which can also be, to be set to possessed by car-mounted terminal 100 TF card, mmc card, SD card in card slot etc., or any combination thereof.In some embodiments, memory module 115 can pass through SDIO (Secure Digital Input/Output) interface is connect with primary processor 103.

In some embodiments, car-mounted terminal 100 can also include power management module 116.Power management module 116 with Primary processor 103 connects, for according to the instruction of primary processor 103 at least part of component in car-mounted terminal 100 into Row power management.The component can be cellular communication module 101, primary processor 103, Wireless LAN module 107, camera shooting Device 113, memory module 115, microcontroller 102, DVR photographic device 130 etc..

In some embodiments, car-mounted terminal 100 can also include low voltage difference signal (Low-Voltage Differential Signaling, LVDS) port 117.The port LVDS 117 is connect with primary processor 103, for realizing main place Manage the data interaction of device 103 and external equipment.In some embodiments, primary processor 103 can pass through the port LVDS 117 and vehicle Machine connection, to realize data interaction, such as by the image data and/or video data that photographic device 113 obtains is sent to vehicle device. In another example such as the image data and/or video data that DVR photographic device 130 obtains are sent to vehicle device,

In some embodiments, car-mounted terminal 100 further includes power module 118.The battery phase of power module 118 and automobile Connection, after converting to cell voltage, provides power supply for each component in car-mounted terminal 100.

In some embodiments, microcontroller 102 can also be separately connected with primary processor 103, and control main process task The movement of device 103.It is appreciated that the movement of primary processor 103, which can be, realizes one of its function having or a variety of.Example Such as, the processing that the movement of primary processor 103 can be that the image obtained to front view cam apparatus 113 and/or video carry out can be with It is coding, compression, noise reduction, sharpening etc..In another example for example, the movement of primary processor 103 can be to memory 114, memory module 115 read and write.

As described above, the car-mounted terminal 100 of the utility model has automobile data recorder (DVR) intelligent gateway and forward sight video The function of acquisition module, form one have driving recording, Chinese herbaceous peony video acquisition and upload cloud to be analyzed be from The dynamic training driven provides shared data basis, vehicle bus message and the management of vehicle interior network and fault diagnosis, vehicle condition letter Breath collection, driving behavior and habit collection, data upload the vehicle intelligent controller of the functions such as cloud.Car-mounted terminal 100 can be with It is realized by a microcontroller 102 of primary processor 103, one of cellular communication module 101, one and a power module 120. It is vehicle-mounted relative to the technical solution combined by DVR, intelligent gateway and these three module products of forward sight video acquisition module to realize Terminal 100 eliminates cellular communication module, primary processor, microcontroller, power module and peripheral circuit with overlapping function, With making full use of resource, reduce occupied space, improve system interaction efficiency and reliability and reduce the advantages such as overall cost.

Those skilled in the art will further appreciate that, the various illustratives described in conjunction with the embodiments described herein Logic plate, module, circuit and algorithm steps can be realized as electronic hardware, computer software or combination of the two.It is clear Explain to Chu this interchangeability of hardware and software, various illustrative components, frame, module, circuit and step be above with Its functional form makees generalization description.Such functionality be implemented as hardware or software depend on concrete application and It is applied to the design constraint of total system.Those skilled in the art can be with different modes to realize for every kind of specific application The functionality of description, but such realization decision should not be interpreted to cause departing from the scope of the utility model.

In conjunction with presently disclosed embodiment describe various illustrative logic modules and circuit can with general processor, Digital signal processor (DSP), specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic Device, discrete door or transistor logic, discrete hardware component or its be designed to carry out any group of function described herein It closes to realize or execute.General processor can be microprocessor, but in alternative, which can be any routine Processor, controller, microcontroller or state machine.Processor is also implemented as calculating the combination of equipment, such as DSP With the combination of microprocessor, multi-microprocessor, one or more microprocessors to cooperate with DSP core or any other this Class configuration.

Although the utility model is described with reference to current specific embodiment, ordinary skill in the art Personnel it should be appreciated that more than embodiment be intended merely to illustrate the utility model, be detached from the spirit of the present invention no In the case of can also make various equivalent change or replacement, therefore, as long as to upper in the spirit of the utility model State the variation of embodiment, modification will all be fallen in the range of following claims.

Claims (9)

1. a kind of car-mounted terminal characterized by comprising

Primary antenna is used for communicating cellular wireless signal；

Cellular communication module is connect with the primary antenna, is used for cellular network communication；

Front view cam apparatus, for obtaining the image and/or video that carry the vehicle front of the car-mounted terminal；

DVR photographic device, for obtaining at least one of the vehicle front for carrying the car-mounted terminal, rear, left and right side Image and/or video；

Memory module, for storing data；

Primary processor is separately connected with the DVR photographic device, the photographic device and the cellular communication module, for pair The image and/or video that the DVR photographic device obtains are handled and are stored to the memory module, are also used to before described The image and/or video obtained depending on photographic device is handled, and by the cellular communication module will treated image with/ Or video is sent to cloud；

CAN transceiver, for receiving the data in CAN bus and/or transmitting data to CAN bus；And

Microcontroller is separately connected with the cellular communication module and the CAN transceiver, for controlling the cellular communication mould The movement of block, and protocol conversion is carried out to the data interacted between the CAN transceiver and the cellular communication module.

2. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include:

Diversity antenna is connect with the cellular communication module, is used for diversity communicating cellular wireless signal.

3. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include:

Wireless lan antenna is used for transmitting/receiving wireless local area network signal；

Wireless LAN module is separately connected, for realizing nothing with the wireless lan antenna and the cellular communication module Line local area network communication.

4. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include: eSIM card, and it is described Cellular communication module connection, for storing customer identification information.

5. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include:

Ethernet switch is connect with the microcontroller, for receiving and dispatching the data packet for meeting Ethernet protocol；

Wherein, the microcontroller is also used to the CAN transceiver, the cellular communication module and the Ethernet switch In between any the two the data of interaction carry out protocol conversion.

6. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include it is one of following or More persons:

Data port is connect with the microcontroller, for realizing the data interaction of the microcontroller and external equipment；

The port UART is connect with the microcontroller, for realizing the data interaction of the microcontroller and external equipment；

The port LVDS is connect with the primary processor, for realizing the data interaction of the primary processor and external equipment.

7. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include:

Memory is connect with the primary processor, interim for providing data to be processed and/or instruction for the primary processor Memory space.

8. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include:

Memory module is connect, for storing data with the primary processor.

9. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further include:

Power module, for providing power supply for each component in the car-mounted terminal；

Power management module is connect with the primary processor, for the instruction according to the primary processor to the car-mounted terminal In at least part of component carry out power management.