CN208479617U - Car-mounted terminal - Google Patents

Abstract

The utility model provides a kind of car-mounted terminal, and car-mounted terminal includes: primary antenna, is used for communicating cellular wireless signal；Cellular communication module is used for cellular network communication；First memory module, for storing data；Rear-camera device, for obtaining the image and/or video of rear of vehicle；And primary processor.The car-mounted terminal of the utility model uses and integrates the function of T-Box and Streaming Media rearview mirror module, respective function is implemented separately compared to three 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 T-Box (Telematics Box) is set in the car to realize.Fig. 1 is the fundamental block diagram of existing T-Box.Refering to what is shown in Fig. 1, 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.

Streaming Media rearview mirror module acquires automobile rear images, and situation after vehicle can be presented in real time, expand the backsight visual field, subtract Few backsight blind area.Fig. 2 is the fundamental block diagram of existing Streaming Media rearview mirror module.Refering to what is shown in Fig. 2, Streaming Media rearview mirror module Including rearview camera, primary processor (MPU), microcontroller (MCU), memory, memory module, power management module, power supply mould Block and inside rear-view mirror (including display screen) etc..Rearview camera is set to the rear portion of vehicle, for acquiring the image at automobile rear.It is main Processor handles the image of rearview camera acquisition, and is presented to driver by inside rear-view mirror.Primary processor also with memory, deposit Storage module and power management module are separately connected, to assist realizing primary processor to the processing function of rear images.Microcontroller Be mainly used for according to ignition signal etc. come to components such as primary processors starting, close, start to process image, stop processing image Equal operations are controlled.Power module provides power supply for each component in streaming media rearview mirror module.

In order to car networking interconnection and Streaming Media rearview mirror, existing way be usually on vehicle simultaneously install T-Box and Streaming Media rearview mirror module, but this way have the shortcomings that it is at high cost, at least need to occupy two interfaces.Therefore, at present urgently A kind of car-mounted terminal of low cost is needed to realize function that T-Box and Streaming Media rearview mirror module have.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of car-mounted terminals, with T-Box and Streaming Media backsight The function of mirror module, and have and make full use of resource, reduce occupied space, improve system interaction efficiency and reliability, 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；

First memory module, for storing data；

Rear-camera device, for obtaining the image and/or video that carry the rear of vehicle of the car-mounted terminal；

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

Primary processor is separately connected with first memory module and the rear-camera device, for filling to the rear-camera The image and/or video for setting acquisition are handled, and export image and/or view that treated the rear-camera device obtains Frequently.

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

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；And/or

Second memory module is connect, for storing data with the cellular communication module.

In an at least 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, and the audio signal for exporting to the cellular communication module carries out Amplification, and the amplified audio signal is exported.

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

Microcontroller is separately connected, for controlling the bee with the cellular communication module, the primary processor and the power amplifier module The movement of nest communication module and the primary processor, and control the power amplifier module；

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

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

Acceleration transducer is connect with the microcontroller, for sensing the acceleration of the vehicle.

In an at least embodiment of the utility model, 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.

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

Display screen is connect with the primary processor, the image and/or video obtained for showing the rear-camera device.

In an at least 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 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 T-Box and Streaming Media rearview mirror module, relative to by T-Box and The two module products of Streaming Media rearview mirror module combine to realize the skill with T-Box and Streaming Media rearview mirror module Art scheme, the car-mounted terminal of the utility model eliminate cellular communication module, primary processor, microcontroller with overlapping function Device, power module and peripheral circuit have and make full use of resource, reduce occupied space, improve system interaction efficiency and reliability With reduce the advantages such as overall cost.

Detailed description of the invention

Fig. 1 is the fundamental block diagram of existing T-Box.

Fig. 2 is the fundamental block diagram of existing Streaming Media rearview mirror module.

Fig. 3 is the fundamental block diagram of the car-mounted terminal of some embodiments of the utility model.

Description of symbols

100- car-mounted terminal；

101- cellular communication module；

102- microcontroller；

103- primary antenna；

104- satellite navigation aerial；

105- diversity antenna；

106- wireless lan antenna；

107- Wireless LAN module；

108-eSIM card；

The second memory module of 109-；

110- audio coding decoding module；

111- power amplifier module；

The port 112-USB；

113- primary processor；

114-DVR photographic device；

115- memory；

The first memory module of 116-；

117- power management module；

The port 118-LVDS；

119- data port；

120- rear-camera device；

121- display screen；

122- acceleration transducer；

123- power module.

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 T-Box, Streaming Media rearview mirror module are individual module products, Respectively exercise its corresponding function.It is identical that processor (CPU), power circuit, connector etc. are all had in the two module products Component.When realizing the function of T-Box and Streaming Media rearview mirror module jointly using the two module products, two modules are produced Identical component is duplicate in product, and the interaction between product module is to be connected by harness to realize, therefore, it may appear that The problems such as hardware cost wastes, occupies more spaces, interactive efficiency is low and reliability is low.In order to overcome these problems, this Utility model proposes a kind of car-mounted terminal of function of being provided simultaneously with T-Box and Streaming Media rearview mirror module, can be abundant Using resource, occupied space is reduced, improves system interaction efficiency and reliability, and reduce overall cost.

Fig. 3 is the fundamental block diagram of the car-mounted terminal of some embodiments of the utility model.Refering to what is shown in Fig. 3, car-mounted terminal 100 It may include cellular communication module 101, primary processor 113, primary antenna 103, the first memory module 116 and rear-camera device 120.Primary processor 113 and primary antenna 103 are connect with cellular communication module 101 respectively.First memory module 116 and rear-camera Device 120 is connect with primary processor 113 respectively.

Optionally, in some embodiments of the utility model, car-mounted terminal can also include more structures, such as DVR photographic device 114.

Primary antenna 103 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.

First memory module 116 is connect with primary processor 113, for storing data.For example, the first memory module 116 can To store the image data and/or video data of the acquisition of DVR photographic device 114.In another example the first memory module 116 can deposit Store up treated image data and/or the video data of primary processor 113.In some embodiments, the first memory module 116 can be with For example including eMMC memory, flash storage chip, SSD memory being set in car-mounted terminal 100 etc. or it is any Combination.First memory module 116 can also be the TF card being set in card slot possessed by car-mounted terminal 100, mmc card, SD card Deng, or any combination thereof.In some embodiments, the first memory module 116 can pass through SDIO (Secure Digital Input/Output) interface is connect with primary processor 113.

Rear-camera device 120 can be used for obtaining vehicle (the subsequent full text referred to as " vehicle for carrying the car-mounted terminal ") image and/or video at rear.In some embodiments, rear-camera device 120 for example can be visible image capturing head, Infrared camera, laser radar etc..In some embodiments, rear-camera device 120 can (such as visual angle be big with wide-angle camera In being equal to 60 °), (such as angular field of view is less than etc. for middle burnt camera (such as angular field of view is 24 °~60 °) or focal length camera In 24 °).In some embodiments, rear-camera device 120 may include one or more cameras, such as can be interval Two cameras being arranged, to constitute binocular vision.It is appreciated that rear-camera device 120 can be set at the rear portion of vehicle Above license plate, below the license plate of rear portion, on rear bumper etc..

The image and/or video that primary processor 113 can be used for obtaining rear-camera device 120 are handled.Main place Reason device 113 can also export that treated image and/or video, such as the Streaming Media that output carries out rear of vehicle to display screen are aobvious Show.In some embodiments, primary processor 113 can to the processing of the image obtained of rear-camera device 120 and/or video progress To be coding, compression, noise reduction, sharpening etc., or any combination thereof.

Optionally, in some embodiments, car-mounted terminal can also have DVR photographic device 114 to can be used for obtaining vehicle Image and/or video in front of.In some embodiments, DVR photographic device 114 for example can be visible image capturing head, red Outer camera, laser radar etc..In some embodiments, DVR photographic device 114 can (such as visual angle be greater than with wide-angle camera Equal to 60 °), (such as angular field of view is less than or equal to for middle burnt camera (such as angular field of view is 24 °~60 °) or focal length camera 24°).Preferably, DVR photographic device 114 is ultra wide-angle imaging head, and visual angle can be more than or equal to 100 °, 120 °, 140 ° etc.. In some embodiments, DVR photographic device 114 may include one or more cameras, such as can be spaced two A camera, to constitute binocular vision.It is appreciated that the rearview mirror in vehicle can be set is (such as left for DVR photographic device 114 Rearview mirror, right rear view mirror, central inside rear-view mirror etc.), preceding grid, bumper etc..In some embodiments, DVR photographic device 114 The image and/or image of at least one of rear of vehicle, left and right side can also be obtained.

Optionally, in these embodiments, primary processor 113 can be also used for the image obtained to DVR photographic device 114 And/or video is handled.Primary processor 113 can also store its image after processing and/or video to the first storage Module 116, to realize driving recording.Treated image and/or video can also be sent to cellular communication by primary processor 113 Treated image and/or video are sent to cloud by cellular communication module 101, with the training for automatic Pilot by module 101 Data basis is provided.It is appreciated that the cloud can be server, PC (personal computer, PC), Public cloud, private clound etc..In some embodiments, image and/or video that primary processor 113 obtains DVR photographic device 114 The processing of progress can be coding, compression, noise reduction, sharpening etc., or any combination thereof.Primary processor 113 for example may include micro- Controller, 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), can Any circuit or the processor etc. of at least one function are executed, or any combination thereof.

In some embodiments, with continued reference to FIG. 3, 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 103, cellular communication module 101 can be with main day to diversity antenna 105 The received cellular radio signal of line 103 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.

In some embodiments, car-mounted terminal 100 can also include star navigation antenna 104.Satellite navigation aerial 104 can be with Be sent to cellular communication module 101 for receiving satellite navigation signals, and by the satellite navigation signals received, with cellular communication 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.

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 can also include the second memory module 109.Second memory module 109 with Cellular communication module 101 connects, for storing data.In some embodiments, the second 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.Second 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 second memory module 109 can pass through SDIO (Secure Digital Input/Output) Interface is connect with cellular communication module 101.

In some embodiments, car-mounted terminal 100 can also include audio coding decoding module 110.Audio coding decoding module 110 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 110, via MIC OUT terminal mouth exports the loudspeaker to vehicle；Audio coding decoding module 110 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 110 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 110 can pass through I2S (Integrated Interchip Sound) interface and cellular communication Module 101 is attached.

In some embodiments, cellular communication module 101 can also pass through the audio signal received by the port MIC IN The audio data obtained after conversion is stored to the first memory module 116, to save video and audio simultaneously in driving recording.

In some embodiments, car-mounted terminal 100 can also include power amplifier module 111.Power amplifier module 111 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 111, 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 111 to the loudspeaking on vehicle Device.

In some embodiments, car-mounted terminal 100 can also include USB port 112.USB port 112 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 112 with vehicle device, to realize data interaction.

In some embodiments, car-mounted terminal 100 can also include memory 115.Memory 115 is connect with primary processor 113, For providing data to be processed and/or instruction to temporary memory space for primary processor 113.For example, memory 115 can be interim Store program instruction needed for primary processor 113 handles image data and/or video data, the program instruction can be coding, Compression, noise reduction, sharpening etc., or any combination thereof.Memory 115 for example may include dynamic ram (DRAM), Double Date Rate Synchronous dynamic ram (DDR SDRAM), static state RAM (SRAM), thyristor RAM (T-RAM), zero capacitance RAM (Z-RAM) etc. or its Any combination.

For example, in some other embodiments, what memory 115 can also obtain for interim storage DVR photographic device 114 Image data and/or video data.

In some embodiments, car-mounted terminal 100 can also include power management module 117.Power management module 117 with Primary processor 113 connects, for according to the instruction of primary processor 113 at least part of component in car-mounted terminal 100 into Row power management.The component can be cellular communication module 101, primary processor 113, Wireless LAN module 107, second Memory module 109, camera 114, the first memory module 116, microcontroller 102 etc..

In some embodiments, car-mounted terminal 100 can also include low voltage difference signal (Low-Voltage Differential Signaling, LVDS) port 118.The port LVDS 118 is connect with primary processor 113, for realizing main place Manage the data interaction of device 113 and external equipment.In some embodiments, primary processor 113 can pass through the port LVDS 118 and vehicle Machine connection, to realize data interaction.

For example, in some other embodiments, the port LVDS 118 of car-mounted terminal 100 can also be by DVR photographic device 114 image datas obtained and/or video data are sent to vehicle device.

In some embodiments, car-mounted terminal 100 can also include microcontroller (MCU) 102.Microcontroller 102 can be with It is separately connected with cellular communication module 101 and primary processor 113, for controlling cellular communication module 101 and primary processor 113 Movement.In some embodiments, microcontroller 102 can be for example including arm processor, dsp processor, field-programmable gate array (FPGA), programmable logic device (PLD), single-chip microcontroller, ASIC etc. are arranged, or any combination thereof.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 To be that cellular communication module 101 with primary antenna 103 matches realization cellular network communication, cellular communication module 102 can also be It is matched with satellite navigation aerial 104 and realizes satellite positioning, navigation.It is also understood that the movement of primary processor 113 can be Realize one of function that it has or a variety of.Memory 115, first is stored for example, the movement of primary processor 113 can be Module 116 reads and writees.

In another example in some other embodiments, the movement of primary processor 113 can also be to DVR photographic device 114 The processing that the image and/or video of acquisition carry out can be coding, compression, noise reduction, sharpening etc..

In some embodiments, microcontroller 102 can also be connect with power amplifier module 111.Microcontroller 102 is also to power amplifier Module 111 is controlled, such as the gain of power amplifier module 111 is adjusted.Preferably, power amplifier module 111 passes through I2C (Inter-Integrated Circuit) bus is connect with microcontroller 102.

In some embodiments, car-mounted terminal 100 further includes acceleration transducer 122.Acceleration transducer 122 and micro-control Device 102 processed connects, for sensing the acceleration of vehicle.The vehicle that microcontroller 102 can be sensed according to acceleration transducer 122 Acceleration change, judge whether vehicle crashes.In some embodiments, acceleration transducer 122 for example may be used Be piezoelectric type, pressure resistance type, it is capacitive, servo-type etc..In some embodiments, acceleration transducer 122 is for example It can be uniaxial, two axis, three axis.Preferably, acceleration transducer 122 can be MEMS sensor.

In some embodiments, car-mounted terminal 100 further includes data port 119.Data port 119 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 119, to trigger the start-up operation of microcontroller 102.

It in some embodiments, can also include display screen 121, display screen 121 is connected to primary processor 103, for showing Show image and/or video that rear-camera device 120 obtains.In some embodiments, display screen 121 can be set in interior backsight In mirror.The inside rear-view mirror can be anti-dazzle inside rear-view mirror, can also be common inside rear-view mirror.

In some embodiments, car-mounted terminal 100 further includes power module 123.The battery phase of power module 123 and automobile Connection, after converting to cell voltage, provides power supply for each component in car-mounted terminal 100.

As described above, the car-mounted terminal 100 of the utility model has the function of T-Box and Streaming Media rearview mirror module, shape There is situation after vehicle is presented in real time at one, expand the backsight visual field, reduce backsight blind area and improve traffic safety, situation of remote Collection, driving behavior and habit collection, data upload the vehicle intelligent controller of the functions such as cloud.Car-mounted terminal 100 can be by One 102, rear-camera device 120 of the microcontroller of primary processor 113, one of cellular communication module 101, one and one Power module 123 is realized.Relative to the skill realized by T-Box and the combination of the two module products of Streaming Media rearview mirror module Art scheme, car-mounted terminal 100 eliminate cellular communication module with overlapping function, primary processor, microcontroller, power module And peripheral circuit, have and makes full use of resource, reduce occupied space, improve system interaction efficiency and reliability and reduce whole The advantages such as 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 (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；

First memory module, for storing data；

Rear-camera device, for obtaining the image and/or video that carry the rear of vehicle of the car-mounted terminal；

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

Primary processor is separately connected with first memory module and the rear-camera device, for the rear-camera The image and/or video that device obtains are handled, and the image that obtains of export that treated the rear-camera device and/or Video.

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 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；And/or

Second memory module is connect, for storing data with the cellular communication module.

5. 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.

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

Microcontroller, the microcontroller connect respectively with the cellular communication module, the primary processor and the power amplifier module It connects, for controlling the movement of the cellular communication module and the primary processor, and the control power amplifier module；

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

7. car-mounted terminal according to claim 6, which is characterized in that the car-mounted terminal further include:

Acceleration transducer is connect with the microcontroller, for sensing the acceleration of the vehicle.

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:

Display screen is connect with the primary processor, the image and/or video obtained for showing the rear-camera device.

10. 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.