CN208489844U - 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 the primary antenna, is used for cellular network communication；Multiple photographic devices, for obtaining the image and/or video of vehicle's surroundings；CAN transceiver, for receiving the data in CAN bus and/or transmitting data to CAN bus；And microcontroller, for carrying out protocol conversion to the data interacted between the CAN transceiver and the cellular communication module.The car-mounted terminal of the utility model is looked around module, T-Box and three function of intelligent gateway for 360 and is integrated, the device for eliminating overlapping function effectively utilizes resource, reduces device the space occupied, 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

Vehicle starting, turn, park, meeting, avoiding barrier etc. whens, due to the presence for blind area of driving, driver without Method observes the case where region closer from vehicle body, the accidents such as is easy to happen scratch, collides, roll.In order to avoid above-mentioned accident Generation assist driver the case where being equipped with 360 in existing some vehicles and look around module, vehicle's surroundings can be showed The case where understanding vehicle's surroundings.Fig. 1 is existing 360 fundamental block diagrams for looking around module.Refering to what is shown in Fig. 1,360 look around module packet Include the switching switch, primary processor (MPU), microcontroller (MCU), memory, memory module, power supply out of four cameras, four into one Management module, power module etc..Four cameras are laid in front, rear portion, left side, the right side of vehicle respectively, to obtain respectively Vehicle front, rear, the left side, the right road conditions image.The road conditions image that four cameras obtain goes out switching by four into one and opens It is sent to primary processor with closing timesharing.Primary processor handles these road conditions images, and vehicle can be showed by being spliced into The image of surrounding situation, and driver is presented to by vehicle device.Primary processor also with memory, memory module and power management mould Block is separately connected, to assist realizing primary processor to the processing function of road conditions image.Microcontroller is mainly used for being believed according to igniting Number etc. come to components such as primary processors starting, close, start to process image, stop the processing operations such as image and control.Electricity Each component that source module is used to look around in module to 360 provides power supply.

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. 2 is the fundamental block diagram of existing intelligent gateway.Refering to what is shown in Fig. 2, 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.

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 T-Box (Telematics Box) is set in the car to realize.Fig. 3 is the fundamental block diagram of existing T-Box.Refering to what is shown in Fig. 3, T-Box mainly includes cellular communication module and processor.Cellular communication module and primary antenna, diversity antenna, satellite navigation aerial It is connected with eSIM card, to realize cellular communication and satellite positioning.Cellular communication module is also connect with Wireless LAN module, with reality Existing wireless LAN communication and/or WLAN it is shared.T-Box further includes memory module, audio coding decoding module and function Amplification module, cellular communication module is also connect with memory module, audio coding decoding module and power amplifier module etc., multimedia to realize It plays.Processor is connect with cellular communication module, is mainly used for controlling the various movements of cellular communication module realization, such as carry out bee Nest communication, satellite positioning, broadcasting multimedia etc..In addition, processor also receives ignition signal, ignition signal starts as processor The trigger signal of work.Certainly, T-Box further includes the power module connecting with battery, to provide electricity to each component in T-Box Source.

In the prior art, T-Box, 360 look around module and intelligent gateway and are all mounted in individual module product on vehicle, mention For function independent, each module has the component of the reuses such as its CPU, power circuit, connector.It is handed between each product Mutually it is connected by connection wiring harness.The problems such as with cost of idleness, occupied space is big, and interactive efficiency is low and reliability is low.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of car-mounted terminal, looked around with T-Box, 360 and intelligence Can gateway function, and have and make full use of resource, reduce occupied space, improve system interaction efficiency and reliability and significantly 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 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；

Multiple photographic devices, for obtaining the image and/or video that carry the vehicle's surroundings of the car-mounted terminal；

First memory module, for storing data；And

Primary processor is separately connected with the cellular communication module and the multiple photographic device, for the multiple The image and/or video that photographic device obtains are handled, and export treated image and/or video；

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, logical for controlling the honeycomb Believe the movement of module, and protocol conversion is carried out to the data interacted between the CAN transceiver and the cellular communication module；

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

And/or satellite navigation aerial, it is connect with the cellular communication module, for receiving satellite positioning signal；

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

In at least one embodiment of the utility model, the car-mounted terminal further include:

Mostly go out switching switch into one, is separately connected with the multiple photographic device and the primary processor, for timesharing One is selected from the multiple photographic device, the image and/or video that the photographic device selected is obtained are defeated Out to the primary processor.

In at least one 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 at least one 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 with the wireless lan antenna and the cellular communication module, for real Existing wireless LAN communication.

In at least one embodiment of the utility model, the car-mounted terminal further includes at least one in lower component Person:

ESIM card is connect, for storing customer identification information with the cellular communication module；

Memory is connect with the primary processor, for providing data to be processed and/or instruction for the primary processor Temporary memory space；

First memory module is connect, for storing data with the cellular communication module；

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

In at least one 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, The microcontroller is also used to any two in the CAN transceiver, the cellular communication module and the Ethernet switch The data of interaction carry out protocol conversion between person.

In at least one embodiment of the utility model, the microcontroller is also connect with the primary processor, described Microcontroller is also used to control the movement of the primary processor.

In at least one embodiment of the utility model, the car-mounted terminal further include:

USB port is connect with the cellular communication module, for realizing the number of the cellular communication module and external equipment According to interaction；And/or

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

In at least one 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；And/or

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

In at least one embodiment of the utility model, the car-mounted terminal further include:

Audio coding decoding module is connect with the cellular communication module, for carrying out encoding and decoding to audio data；

Power amplifier module is connect with the cellular communication module, the audio signal for exporting to the cellular communication module It amplifies, and the amplified audio signal is exported to loudspeaker；Wherein, the microcontroller is also to the power amplifier mould Block is controlled.

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

T-Box, 360 are looked around and are integrated with vehicle intelligent gateway function by the utility model, and eliminating has overlapping Processor, power module and the peripheral circuit of function have and make full use of resource, reduce occupied space, improve system interaction effect The advantages such as rate and reliability and reduction overall cost.

Detailed description of the invention

Fig. 1 is existing 360 fundamental block diagrams for looking around module；

Fig. 2 is the fundamental block diagram of existing intelligent gateway；

Fig. 3 is the fundamental block diagram of existing T-Box；

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

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 element " it should be appreciated that working as an element, " being connected to another element ", " is coupled in When another element " or " contacting another element ", it can directly on another element, be connected or coupled to, Or another element is contacted, or may exist insertion element.In contrast, when an element is referred to as " directly another On a element ", " being directly connected in ", " being coupled directly to " or when " directly contact " another element, insertion element is not present.Together Sample, when first element referred to as " is in electrical contact " or " being electrically coupled to " second element, in the first element and this second yuan 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 elements of flowing, or even do not contacted directly between conducting element.

If background technology part is introduced, it is individual module that module and intelligent gateway are looked around all in existing T-Box, 360 Product respectively exercises its corresponding function.Central processing unit (CPU), power circuit, connection are all had in these three module products The identical component such as device.When realizing that the function with intelligent gateway is looked around in T-Box, 360 jointly using the two module products, three Identical component is duplicate in a module product, therefore, it may appear that hardware cost waste occupies more spaces, interactive efficiency The problems such as low and reliability is low.In order to overcome these problems, the utility model proposes one kind to be provided simultaneously with T-Box, 360 The car-mounted terminal with the function of intelligent gateway is looked around, can make full use of resource, reduces occupied space, improves system interaction effect Rate and reliability, and reduce overall cost.

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 It may include cellular communication module 101, microcontroller (MCU) 102, primary processor 103, primary antenna 104, multiple photographic devices 111 and CAN transceiver 119.Microcontroller 102, primary processor 103 and primary antenna 104 connect with cellular communication module 101 respectively It connects.Multiple photographic devices 111 are connect with primary processor 103.CAN transceiver 119 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.

Multiple photographic devices 111 can be used for obtaining the vehicle (hereinafter referred to as " vehicle for carrying the car-mounted terminal of the present embodiment ") image and/or video of surrounding.Preferably, multiple photographic devices 111 are mainly used for obtaining the image and/or view on road surface Frequently.In some embodiments, multiple photographic devices 111 for example can be visible image capturing head, infrared camera, laser radar Deng.In some embodiments, multiple photographic devices 111 can be wide-angle camera.In some embodiments, multiple camera shooting dresses Setting 111 can partially be wide-angle camera, be partially middle burnt camera.Wherein, the angular field of view of wide-angle camera can be 140 °~180 °, the angular field of view of middle coke camera can be 90 °~140 °.

In some embodiments, multiple photographic devices 111 for example may include photographic device 111-1, photographic device 111- 2, photographic device 111-3, photographic device 111-4.Photographic device 111-1 can be used for obtaining the image and/or view of vehicle front Frequently.Photographic device 111-2 can be used for obtaining the image and/or video of rear of vehicle.Photographic device 111-3 can be used for obtaining The image and/or video on the vehicle left side.Photographic device 111-4 can be used for obtaining image and/or video on the right of vehicle.One In a little embodiments, the photographic device 111-1 for the image and/or video that obtain vehicle front be can be set in preceding grid or preceding On bumper.In some embodiments, the photographic device 111-2 for the image and/or video that obtain rear of vehicle can be set It is placed on case cover or rear bumper.In some embodiments, for obtaining the camera shooting of the image and/or video on the vehicle left side Device 111-3 can be set on left-hand mirror.In some embodiments, for obtaining image and/or video on the right of vehicle Photographic device 111-4 can be set on right rear view mirror.

It is appreciated that multiple photographic devices 111 may include the photographic device more than four.The utility model is taken the photograph to multiple The number for the photographic device for including as device 111 is without restriction, as long as multiple photographic devices can obtain the figure of vehicle's surroundings Picture and/or video, and primary processor 103 can carry out splicing to these images and/or video.

The image and/or video that primary processor 103 can be used for obtaining multiple photographic devices 111 are handled, and defeated Treated out image and/or video.The wherein specific side that 103 pairs of the primary processor images obtained and/or video are handled Formula can be multiplicity.For example, in some embodiments, image that primary processor 103 obtains multiple photographic devices 111 and/ Or video is spliced, to form the panorama overhead view image and/or video of vehicle's surroundings.Preferably, in the above-described embodiments In a part of the embodiment, in the image and/or video after the completion of splicing, it is complete that vehicle (such as vertical view image of vehicle) is located at this The center of scape overhead view image and/or video, the splicing that the image and/or video-splicing obtained with multiple photographic devices 111 goes out are complete Image and/or video after are then located at the surrounding of the vehicle.It is appreciated that primary processor 103 obtains multiple photographic devices 111 The processing that the image and/or video taken carries out can also be distortion correction, noise reduction, sharpening etc..Certainly, primary processor 103 is to more The processing that the image and/or video that a photographic device 111 obtains carry out may include the one or more in above-mentioned processing Any combination.And primary processor 103 is also unlimited to the processing of multiple photographic devices 111 image obtained and/or video progress In the above-mentioned several processing modes referred to.For example, in some embodiments, primary processor 103 can also be to spliced image And/or the position that vehicle may occur to scratch or collide in video is highlighted.

It is appreciated that primary processor 103 for example may include microcontroller, microprocessor, Reduced Instruction Set Computer (RISC), specific integrated circuit (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 for being able to carry out at least one function or processing Device etc., or any combination thereof.

CAN transceiver 119 is for receiving the data in CAN bus and/or transmitting data to CAN bus.It can manage Solution, the data that CAN transceiver 119 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 119, and then are transmitted data in CAN bus by CAN transceiver 119.Although scheming In embodiment shown in 4, only there is a CAN transceiver 119, it is to be understood that, it may include multiple in car-mounted terminal 100 CAN transceiver 119, and these CAN transceivers 119 are connect with microcontroller 102 respectively.

In some embodiments, microcontroller 102 can also control the movement of cellular communication module 101.It is appreciated that bee The movement of nest communication module 101, which can be, realizes one of its function or a variety of.For example, cellular communication module 101 movement can be cellular communication module 101 and match realization cellular network communication with primary antenna 104.

In some embodiments, microcontroller 102 can also be handed between CAN transceiver 119 and cellular communication module 101 Mutual data carry out protocol conversion.Specifically, it is total that microcontroller 102 can receive CAN transceiver 119 meets CAN For the data conversion of wire protocol at the data for meeting cellular network communication agreement, microcontroller 102 can also be by cellular communication module 101 data conversions sent are at the data for meeting CAN bus agreement.In some embodiments, microcontroller 102 can be such as Including arm processor, dsp processor, field programmable gate array (FPGA), programmable logic device (PLD), single-chip microcontroller, ASIC etc., or any combination thereof.

With continued reference to FIG. 4, in some embodiments, car-mounted terminal 100 can also include mostly going out switching switch into one 112.Mostly go out switching switch 112 into one to be separately connected with multiple photographic devices 111 and primary processor 103.Mostly go out switching into one to open It closes 112 and selects one from multiple photographic devices 111 with can be used for timesharing, the photographic device 111 being selected is obtained Image and/video exports to primary processor 103.It include photographic device 111-1, photographic device with multiple photographic devices 111 For this four photographic devices of 111-2, photographic device 111-3, photographic device 111-4, in first time period, mostly go out to switch into one 112 can choose photographic device 111-1, by a frame of the photographic device 111-1 vehicle front obtained or multiple image export to Primary processor 103；In second time period, mostly going out switch 112 into one can choose photographic device 111-2, by photographic device 111-2 A frame or multiple image for the rear of vehicle of acquisition is exported to primary processor 103；In the third period, mostly go out switch 112 into one It can choose photographic device 111-3, a frame on the vehicle left side that photographic device 111-3 is obtained or multiple image exported to main place Manage device 103；In the 4th period, mostly going out switch 112 into one can choose photographic device 111-4, and photographic device 111-4 is obtained Vehicle on the right of a frame or multiple image export to primary processor 103；In the 5th period, mostly going out switch 112 into one can be with Photographic device 111-1 is selected again；And so on.Primary processor 103 can be to the multiple of multiple photographic devices 111 that timesharing obtains Image carries out splicing.It is appreciated that mostly going out switching when multiple photographic devices 111 include four photographic devices into one and opening Closing 112 correspondingly can go out switching switch for four into one.

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 satellite navigation aerial 130.Satellite navigation aerial 130 can To be used to receive satellite navigation signals, and the satellite navigation signals received are sent to cellular communication module 101, with logical with honeycomb Letter module 101, which matches, realizes satellite positioning, navigation.In some embodiments, satellite navigation signals can be believed for example including GPS Number, Beidou signal, GLONASS signal, Galileo signal etc., or any combination thereof.

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 can also include the first memory module 109.First memory module 109 with Cellular communication module 101 connects, for storing data.In some embodiments, the first memory module 109 can be for example including setting It is placed in eMMC memory, flash storage chip, SSD memory in car-mounted terminal 100 etc. or any combination thereof.First deposits Storage module 109 can also be the TF card being set in card slot possessed by car-mounted terminal 100, mmc card, SD card etc. or it is any Combination.In some embodiments, the first memory module 109 can be connect by SDIO (SecureDigital Input/Output) Mouth is connect with cellular communication module 101.

In some embodiments, car-mounted terminal 100 can also include USB port 110.USB port 110 and cellular communication mould Block 101 connects, for realizing the data interaction of cellular communication module 101 and external equipment.In some embodiments, cellular communication Module 101 can be connect by USB port 110 with vehicle device, to realize data interaction.

In some embodiments, car-mounted terminal 100 can also include audio coding decoding module 120.Audio coding decoding module 120 connect with cellular communication module 101, for carrying out encoding and decoding to audio data.It is logical that voice is carried out in cellular communication module 101 When letter, cellular communication module 101 can be received audio data and be converted into audio signal by audio coding decoding module 120, via MIC OUT terminal mouth exports the loudspeaker to vehicle；Audio coding decoding module 120 can also will be received by the port MIC IN Audio signal (such as can be collected by microphone) is converted into audio data, and the audio data is sent to cellular communication Module 101.The voice communication may include the voice letter of voice communication based on cellular network, instant messaging Internet-based Breath etc..When car-mounted terminal 100 carries out multimedia, audio coding decoding module 120 can also be by multimedia file and/or more Audio data in Media Stream is converted into audio signal, and the audio signal is exported to the loudspeaker to vehicle.In some realities It applies in example, audio coding decoding module 120 can pass through I2S (Integrated Interchip Sound) interface and cellular communication Module 101 is attached.

In some embodiments, car-mounted terminal 100 can also include power amplifier module 121.Power amplifier module 121 and cellular communication Module 101 connects, and the audio signal for exporting to cellular communication module 101 amplifies, and by amplified audio signal It is exported by SPK OUT terminal mouth to loudspeaker.The loudspeaker can be loudspeaker possessed by car-mounted terminal 100, can also be Possessed loudspeaker on vehicle.In some embodiments, when mistake occurs for car-mounted terminal 100, cellular communication module 101 can To issue the audio signal of alarm, after the amplification of power amplifier module 121, audio alarming signal is issued by loudspeaker.In some implementations In example, when car-mounted terminal 100 carries out multimedia, cellular communication module 101 can be by multimedia file and/or multimedia Audio data in stream is converted into audio signal, which exports after the amplification of power amplifier module 121 to the loudspeaking on vehicle Device.In some embodiments, power amplifier module 121 is also connect with microcontroller 102.Microcontroller 102 also to power amplifier module 121 into Row control, such as the gain of power amplifier module 121 is adjusted.Preferably, power amplifier module 121 passes through I2C (Inter- Integrated Circuit) bus connect with 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 store the image data and/or video data that multiple photographic devices 111 obtain.In another example memory 114 can temporarily store master Program instruction needed for processor 103 handles image data and/or video data, the program instruction can be coding, compression, drop It makes an uproar, sharpen, splicing, distortion correction etc., or any combination thereof.Memory 114 for example may include dynamic ram (DRAM), double number According to transmission rate synchronous dynamic ram (DDR SDRAM), static state RAM (SRAM), thyristor RAM (T-RAM), zero capacitance RAM (Z- RAM) etc., or any combination thereof.

In some embodiments, car-mounted terminal 100 can also include the second memory module 115.Second memory module 115 with Primary processor 103 connects, for storing data.For example, the second memory module 115 can store primary processor 103, treated Image data and/or video data.In some embodiments, the second memory module 115 can be for example including being set to vehicle-mounted end EMMC memory, flash storage chip, SSD memory in end 100 etc. or any combination thereof.Second memory module 115 It can also be the TF card being set in card slot possessed by car-mounted terminal 100, mmc card, SD card etc., or any combination thereof.One In a little embodiments, the second memory module 115 can pass through SDIO (Secure Digital Input/Output) interface and main place Device 103 is managed to connect.

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, first Memory module 109, photographic device 111, the second memory module 115, microcontroller 102 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 the figure that multiple photographic devices 111 after 103 splicing of primary processor are obtained As and/or video be sent to vehicle device, shown by vehicle device, with assist driver observe vehicle's surroundings the case where.

In some embodiments, car-mounted terminal 100 is also connect with primary processor 103, for controlling the dynamic of primary processor 103 Make.It is appreciated that the movement of primary processor 103, which can be, realizes one of its function having or a variety of.For example, main process task The movement of device 103, which can be, carries out splicing to the image that multiple photographic devices 111 obtain.For another example primary processor 103 Movement, which can be, reads and writees memory 114, second memory module 115.

In some embodiments, car-mounted terminal 100 further includes data port 118.Data port 118 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 118, to trigger the start-up operation of microcontroller 102.

In some embodiments, car-mounted terminal 100 further includes Ethernet switch 120.Ethernet switch 120 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 119 and the embodiment of Ethernet switch 120, microcontroller 102 is also used to CAN transceiver 119, honeycomb The data of interaction carry out protocol conversion between any the two in communication module 101 and Ethernet switch 120.Although shown in Fig. 4 In embodiment out, only there is an Ethernet switch 120, it is to be understood that, car-mounted terminal 100 may include multiple ether Network switch 120, and these Ethernet switches 120 are respectively connected to microcontroller 102.

In some embodiments, car-mounted terminal 100 further includes power module 121.The battery phase of power module 121 and automobile Connection, after converting to cell voltage, provides power supply for each component in car-mounted terminal 100.

As described above, there are the car-mounted terminal 100 of the utility model T-Box, 360 to look around the function of module and intelligent gateway Can, foring one has 360 to look around and panorama is parked, vehicle bus message is shared, wireless cellular data transmission and vehicle Internal network management and fault diagnosis, data upload the system controller of the functions such as cloud.Car-mounted terminal 100 can be by a bee 111, the microcontroller 102, one of nest communication module 101, one primary processor 103, multiple photographic devices CAN transceivers 119 and power module 121 realize.The three module product combinations of module and intelligent gateway are looked around relative to by 360 Lai real Existing technical solution, car-mounted terminal 100 eliminate primary processor, microcontroller, power module and periphery with overlapping function Circuit has and makes full use of resource, reduces occupied space, improves system interaction efficiency and reliability and reduce overall cost etc. Advantage.

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 (10)

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；

Multiple photographic devices, for obtaining the image and/or video that carry the vehicle's surroundings of the car-mounted terminal；

First memory module, for storing data；And

Primary processor is separately connected with the cellular communication module and the multiple photographic device, for the multiple camera shooting The image and/or video that device obtains are handled, and export treated image and/or video；

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；

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

And/or satellite navigation aerial, it is connect with the cellular communication module, for receiving satellite positioning signal；

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

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

Mostly go out switching switch into one, is separately connected with the multiple photographic device and the primary processor, for timesharing from institute State and select one in multiple photographic devices, by the photographic device selected obtain image and/or video export to The primary processor.

3. 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.

4. 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.

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

ESIM card is connect, for storing customer identification information with the cellular communication module；

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

First memory module is connect, for storing data with the cellular communication module；

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

6. 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, described Microcontroller is also used to between the two any in the CAN transceiver, the cellular communication module and the Ethernet switch Interactive data carry out protocol conversion.

7. car-mounted terminal according to claim 1, which is characterized in that the microcontroller also connects with the primary processor It connects, the microcontroller is also used to control the movement of the primary processor.

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

USB port is connect with the cellular communication module, is handed over for realizing the cellular communication module and the data of external equipment Mutually；And/or

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

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；And/or

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.

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

Audio coding decoding module is connect with the cellular communication module, for carrying out encoding and decoding to audio data；

Power amplifier module is connect with the cellular communication module, and the audio signal for exporting to the cellular communication module carries out Amplification, and the amplified audio signal is exported to loudspeaker；Wherein, the microcontroller also to the power amplifier module into Row control.