CN208548894U - Car-mounted terminal - Google Patents
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- CN208548894U CN208548894U CN201820831701.3U CN201820831701U CN208548894U CN 208548894 U CN208548894 U CN 208548894U CN 201820831701 U CN201820831701 U CN 201820831701U CN 208548894 U CN208548894 U CN 208548894U
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Abstract
The utility model provides a kind of car-mounted terminal, comprising: primary antenna is used for communicating cellular wireless signal；Satellite navigation aerial, for receiving satellite positioning signal；Cellular communication module is used for cellular network communication and satellite positioning；DVR photographic device, for obtaining the image and/or video of vehicle-surroundings；First memory module, for storing data；Primary processor, for storing treated image and/or video to first memory module；CAN transceiver, for receiving the data in CAN bus and/or transmitting data to CAN bus；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 integrates the function of T-Box, intelligent gateway and automobile data recorder, 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
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) and/or intelligent gateway are 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 place
Manage device.Cellular communication module and primary antenna, diversity antenna, satellite navigation aerial and eSIM card connect, with realize cellular communication with
Satellite positioning.Cellular communication module is also connect with Wireless LAN module, to realize wireless LAN communication and/or wireless local area
Net is shared.T-Box further includes memory module, audio coding decoding module and power amplifier module, cellular communication module also with storage mould
The connection such as block, audio coding decoding module and power amplifier module, to realize multimedia broadcasting.Processor and cellular communication module connect
It connects, is mainly used for controlling the various movements of cellular communication module realization, such as carry out cellular communication, satellite positioning, play multimedia
Deng.In addition, processor also receives ignition signal, the trigger signal that ignition signal is started to work as processor.Certainly, T-Box
It further include the power module being connect with battery, to provide power supply to each component in T-Box.
Fig. 2 is the fundamental block diagram of existing intelligent gateway.Refering to what is shown in Fig. 2, intelligent gateway mainly includes processor, and
CAN transceiver, Ethernet switch and cellular communication module connected to the processor respectively.In intelligent gateway, processor master
Protocol conversion is carried out to the data of interaction both any in CAN transceiver, Ethernet switch and cellular communication module.Equally
Ground, intelligent gateway also include the power module connecting with battery, to provide power supply to each component in intelligent gateway.
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.
In order to realize that interconnection and driving recording, existing way are usually to install T-Box, intelligence simultaneously on vehicle
Gateway and automobile data recorder, but this way has the shortcomings that at high cost, occupied space is big.Therefore, need at present it is a kind of it is low at
This car-mounted terminal realizes function that T-Box, intelligent gateway and automobile data recorder 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, intelligent gateway and row
The function of vehicle recorder, and have and make full use of resource, reduce occupied space, improve system interaction efficiency and reliability, drop
The advantages such as low overall cost.
In order to solve the above technical problems, the utility model provides a kind of car-mounted terminal, comprising: primary antenna, for receiving and dispatching
Cellular radio signal；Satellite navigation aerial, for receiving satellite positioning signal；Cellular communication module, with the primary antenna and institute
It states satellite navigation aerial to be separately connected, is used for cellular network communication and satellite positioning；DVR photographic device, before obtaining vehicle
The image and/or video of at least one of side, rear, left and right side；First memory module, for storing data；Main process task
Device is separately connected with the DVR photographic device and first memory module, the figure for obtaining to the DVR photographic device
As and/or video handled, and treated image and/or video are stored to first memory module；CAN transmitting-receiving
Device, for receiving the data in CAN bus and/or transmitting data to CAN bus；And microcontroller, with the honeycomb
Communication module and the CAN transceiver are separately connected, for controlling the movement of the cellular communication module, and to the CAN
The data interacted between transceiver and the cellular communication module carry out protocol conversion.
In an embodiment of the utility model, the car-mounted terminal further include: Ethernet switch, with the microcontroller
Device connection, for receiving and dispatching the data packet for meeting Ethernet protocol；Wherein, the microcontroller be also used to the CAN transceiver,
The data of interaction carry out protocol conversion between any the two in the cellular communication module and the Ethernet switch.
In an embodiment of the utility model, the car-mounted terminal further include: diversity antenna, with the cellular communication mould
Block connection, is used for diversity communicating cellular wireless signal.
In an embodiment of the utility model, the car-mounted terminal further include: wireless lan antenna, for receiving and dispatching nothing
Line local area network signal；Wireless LAN module is separately connected with the wireless lan antenna and the cellular communication module, is used
In realization wireless LAN communication.
In an embodiment of the utility model, the car-mounted terminal further include: eSIM card, with the cellular communication module
Connection, for storing customer identification information；And/or second memory module, it is connect with the cellular communication module, for storing number
According to.
In an embodiment of the utility model, the car-mounted terminal further include: audio coding decoding module, with the honeycomb
Communication module connection, for carrying out encoding and decoding to audio data.
In an embodiment of the utility model, the microcontroller is also connect with the primary processor, the microcontroller
Device is also used to control the movement of the primary processor.
In an embodiment of the utility model, the car-mounted terminal further include: power amplifier module, with the cellular communication mould
Block connection, the audio signal for exporting to the cellular communication module amplifies, and by the amplified audio signal
It exports to loudspeaker；Wherein, the microcontroller also controls the power amplifier module.
In an embodiment of the utility model, the car-mounted terminal further include: data port connects with the microcontroller
It connects, for realizing the data interaction of the microcontroller and external equipment.
In an embodiment of the utility model, the car-mounted terminal further include: acceleration transducer, with the microcontroller
Device connection, for sensing the acceleration of the vehicle.
In an embodiment of the utility model, the car-mounted terminal further include: USB port, with the cellular communication mould
Block connection, for realizing the data interaction of the cellular communication module and external equipment；And/or the port LVDS, with the main place
Device connection is managed, 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,
For providing data to be processed and/or instruction to temporary memory space for the primary processor.
In an embodiment of the utility model, the car-mounted terminal further include: power module, for being the vehicle-mounted end
Each component provides power supply in end；And/or power management module, it is connect with the primary processor, for according to the primary processor
Instruction 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, intelligent gateway and automobile data recorder, relative to by T-
These three module products of Box, intelligent gateway and automobile data recorder combine to realize with T-Box, intelligent gateway and driving recording
The technical solution of the function of instrument, the car-mounted terminal of the utility model eliminate primary processor with overlapping function, microcontroller,
Power module and peripheral circuit, have make full use of resource, reduce occupied space, improve system interaction efficiency and reliability and
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 intelligent gateway.
Fig. 3 is the fundamental block diagram of existing automobile data recorder.
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；The main day 104-
Line；105- diversity antenna；106- wireless lan antenna；107- Wireless LAN module；108-eSIM card；109- second is stored
Module；The port 110-USB；111-CAN transceiver；112- Ethernet switch；113-DVR photographic device；114- memory；115-
First memory module；116- power management module；The port 117-LVDS；118- data port；119- satellite navigation aerial；120-
Audio coding decoding module；121- power amplifier module；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, intelligent gateway and automobile data recorder are that individual module produces
Product respectively exercise its corresponding function.The phases such as processor (CPU), power circuit, connector are all had in these three module products
Same component.When realizing the function of T-Box, intelligent gateway and automobile data recorder jointly using these three module products, three
Identical component is duplicate in module product, therefore, it may appear that hardware cost waste, to occupy more spaces, interactive efficiency low
The problems such as lower and reliability is low.In order to overcome these problems, the utility model proposes one kind to be provided simultaneously with T-Box, intelligence
The car-mounted terminal of the function of gateway and automobile data recorder can make full use of resource, reduce occupied space, improve system interaction
Efficiency 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
May include cellular communication module 101, microcontroller (MCU) 102, primary processor 103, primary antenna 104, CAN transceiver 111,
DVR photographic device 113, the first memory module 115 and satellite navigation aerial 119.Microcontroller 102, primary antenna 104 and satellite are led
Space flight line 119 is connect with cellular communication module 101 respectively.DVR photographic device 113 and the first memory module 115 respectively with main place
Device 103 is managed to connect.CAN transceiver 111 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.
Satellite navigation aerial 119 can be used for receiving satellite navigation signals, and the satellite navigation signals received are sent to
Cellular communication module 101 realizes satellite positioning, navigation to match with cellular communication module 101.In some embodiments, it defends
Star navigation signal can be for example including GPS signal, Beidou signal, GLONASS signal, Galileo signal etc. or its any group
It closes.
DVR photographic device 113 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 113 for example can be visible image capturing head, infrared camera, laser thunder
Up to etc..Preferably, DVR photographic device 113 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 113 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..
First memory module 115 is connect with primary processor 103, for storing data.For example, the first memory module 115 can
To store the image data and/or video data of the acquisition of DVR photographic device 113.In another example the first memory module 115 can deposit
Store up treated image data and/or the video data of primary processor 103.In some embodiments, the first memory module 115 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 115 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 115 can pass through SDIO (Secure Digital
Input/Output) interface is connect with primary processor 103.
The image and/or video that primary processor 103 can be used for obtaining DVR photographic device 113 are handled, and will place
Image and/or video after reason are stored to the first memory module 115.In some embodiments, primary processor 103 images DVR
The processing that the image and/or video that device 113 obtains carry out can be coding, compression, noise reduction, sharpening etc., or any combination thereof.
In some embodiments, primary processor 103 can also be connect with cellular communication module 101, and can pass through cellular communication mould
Block 101 obtains DVR photographic device 113, and untreated and/or processed image and/or video are sent to cloud.Institute
Stating cloud can be long-range personal computer, server, public cloud, private clound etc..
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 111 is for receiving the data in CAN bus and/or transmitting data to CAN bus.It can manage
Solution, the data that CAN transceiver 111 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 111, and then are transmitted data in CAN bus by CAN transceiver 111.Although scheming
In embodiment shown in 4, only there is a CAN transceiver 111, it is to be understood that, it may include multiple in car-mounted terminal 100
CAN transceiver 111, and these CAN transceivers 111 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, can also be honeycomb
Communication module 102 is matched with satellite navigation aerial 119 realizes satellite positioning, navigation.
In some embodiments, microcontroller 102 can also be handed between CAN transceiver 111 and cellular communication module 101
Mutual data carry out protocol conversion.Specifically, it is total that microcontroller 102 can receive CAN transceiver 111 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.
In some embodiments, car-mounted terminal 100 further includes Ethernet switch 112.Ethernet switch 112 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 111 and the embodiment of Ethernet switch 112, microcontroller 102 is also used to CAN transceiver 111, honeycomb
The data of interaction carry out protocol conversion between any the two in communication module 101 and Ethernet switch 112.Although shown in Fig. 4
In embodiment out, only there is an Ethernet switch 112, it is to be understood that, car-mounted terminal 100 may include multiple ether
Network switch 112, and these Ethernet switches 112 are respectively connected to microcontroller 102.
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 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 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, the sound that cellular communication module 101 can also will be received by the port MIC IN
The audio data obtained after frequency signal is converted is stored to the first memory module 115, to save video simultaneously in driving recording
And audio.
In other embodiments, primary processor 103 can receive the audio signal (example received by the port MIC IN
Can such as be collected by microphone), and the audio signal is converted into audio data, it then stores to the first memory module
115, to save video and audio simultaneously in driving recording.
In some embodiments, microcontroller 102 is also connect with primary processor 103, and controls 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, can be coding, pressure to the processing of the image obtained of DVR photographic device 113 and/or video progress
Contracting, noise reduction, sharpening etc..In another example the movement of primary processor 103 can be the reading to memory 114, the first memory module 115
And write-in.
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 storage DVR photographic device 113 obtain image data and/or video data.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 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, second
Memory module 109, photographic device 111, DVR photographic device 113, the first memory module 115, microcontroller 102, acceleration sensing
Device 122 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 DVR photographic device 113 obtains is sent to vehicle
Machine shown by vehicle device, the case where to assist driver to observe vehicle's surroundings.
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 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 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, intelligent gateway and automobile data recorder,
Foring one has driving recording (such as image and acoustic information in driving conditions), situation of remote collection, driving behavior
The system controller of the functions such as cloud is uploaded with habit collection, the interaction of vehicle multibus, data.Car-mounted terminal 100 can be by one
The CAN transceiver 111, one of microcontroller 102, one of primary processor 103, one of a cellular communication module 101, one DVR takes the photograph
It is realized as device 113 and a power module 119.Relative to by these three modules of T-Box, intelligent gateway and automobile data recorder
Product mix eliminates primary processor, microcontroller, electricity with overlapping function the technical solution realized, car-mounted terminal 100
Source module and peripheral circuit have and make full use of resource, reduce occupied space, improve system interaction efficiency and reliability and drop
The advantages such as low 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 (10)
1. a kind of car-mounted terminal characterized by comprising
Primary antenna is used for communicating cellular wireless signal；
Satellite navigation aerial, for receiving satellite positioning signal；
Cellular communication module is separately connected with the primary antenna and the satellite navigation aerial, for cellular network communication and is defended
Star positioning；
DVR photographic device, for obtaining the image and/or video of at least one of vehicle front, rear, left and right side；
First memory module, for storing data；
Primary processor is separately connected with the DVR photographic device and first memory module, is filled for imaging to the DVR
The image and/or video for setting acquisition are handled, and treated image and/or video are stored to the first storage mould
Block；
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:
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.
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 includes one of following or more
Person:
ESIM card is connect, for storing customer identification information with the cellular communication module；
Second memory module is connect, for storing data 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.
6. car-mounted terminal according to claim 1, which is characterized in that the car-mounted terminal further includes one of following or more
Person:
Audio coding decoding module is connect with the cellular communication module, for carrying out encoding and decoding to audio data；
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.
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 7, which is characterized in that the car-mounted terminal further include:
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.
9. car-mounted terminal according to claim 7, 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.
10. 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；
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；
The port LVDS is connect with the primary processor, for realizing the data interaction of the primary processor and external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820831701.3U CN208548894U (en) | 2018-05-30 | 2018-05-30 | Car-mounted terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820831701.3U CN208548894U (en) | 2018-05-30 | 2018-05-30 | Car-mounted terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208548894U true CN208548894U (en) | 2019-02-26 |
Family
ID=65421781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820831701.3U Withdrawn - After Issue CN208548894U (en) | 2018-05-30 | 2018-05-30 | Car-mounted terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208548894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557157A (en) * | 2018-05-30 | 2019-12-10 | 上海擎感智能科技有限公司 | vehicle-mounted terminal |
-
2018
- 2018-05-30 CN CN201820831701.3U patent/CN208548894U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557157A (en) * | 2018-05-30 | 2019-12-10 | 上海擎感智能科技有限公司 | vehicle-mounted terminal |
| CN110557157B (en) * | 2018-05-30 | 2024-09-10 | 上海擎感智能科技有限公司 | Vehicle-mounted terminal |
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