CN207133821U - A kind of car entertainment navigation host expands module - Google Patents
A kind of car entertainment navigation host expands module Download PDFInfo
- Publication number
- CN207133821U CN207133821U CN201721128079.1U CN201721128079U CN207133821U CN 207133821 U CN207133821 U CN 207133821U CN 201721128079 U CN201721128079 U CN 201721128079U CN 207133821 U CN207133821 U CN 207133821U
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- power supply
- navigation host
- usb
- interface section
- car entertainment
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Abstract
Pass through variation as small as possible the utility model discloses a kind of, vehicle mounted guidance main frame can be achieved and realize CarPlay functions, incidentally realize that port meets BC1.2 rechargeable standards simultaneously, shorten vehicle market periods, the car entertainment navigation host for reducing upgrade cost expands module.It includes power supply, HUB control sections, apple MFI encryption trusted authentication chips and interface section；Power supply uses special automotive grade USB charging port controllers, and load switch is provided with power supply and the functional unit of monitoring load, power supply support the CDP charge modes of BC1.2 rechargeable standards；HUB control sections follow the agreements of USB 2.0, internal to contain a standard I that certification is formed with apple MFI encryption chips2C Bridge units；Interface section is the high-speed interface that can support USB information；Power supply, HUB control sections, apple MFI encryption trusted authentication chips and interface section are integrated in a shell.
Description
Technical field
The present invention relates to a kind of car entertainment navigation host to expand module, in particular to can be in car entertainment navigation host
In the case of without any change, easily the generic USB mouth for connecting navigation host is expanded be with CarPlay functions and
The expansion module of the USB port of BC1.2 rechargeable standard CDP patterns.
Background technology
The experience poor performance of car entertainment navigation host is undisputable fact at present, and the product of opposite Internet enterprises exists
Professional degree is stronger in man-machine interactive system.The onboard systems such as CarPlay, AndroidAuto and MirrorLink arise at the historic moment, its
In the property that most represents to count CarPlay.In the case where automobile interconnects intelligentized main trend, onboard system will welcome once big
Change.
Global Main Auto manufacturer has released or will released at present the vehicle for supporting CarPlay, up to now
There is money vehicle more than 200.CarPlay allow you can in the car intelligence, safely use iPhone, do not interfering vehicle performance, U.S.
In the case of sight degree, what at utmost offer was good uses car environment.CarPlay you can think that many entered with iphone mobile phones
Capable operation is all moved on the middle control display screen of in-car, while for app the and Siri intelligent sounds control after vehicle-mounted optimization
Function also provides a significant improvement to the convenience of driving.
There are many cars to look forward to wanting original navigation host to upgrade to supporting CarPlay functions at present, but the variation all suffered from
It is bigger.Particularly some vehicles, the hardware and software platform of vehicle is poor, all different with the control of a series of navigation host, let alone
Different series vehicle.This situation make it that cost is too high, excessive cycle, and very big obstruction is brought to upgrading.
It is a kind of convenient to realize that vehicle mounted guidance main frame expands CarPlay functions and BC1.2 rechargeable standards in view of problem above
The invention of USB module is just particularly important.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of by variation as small as possible, you can realizes vehicle-mounted
Navigation host realizes CarPlay functions, while incidentally realizes that port meets BC1.2 rechargeable standards, shortens vehicle market periods, drop
The car entertainment navigation host of low upgrade cost expands module.
In order to solve the above technical problems, technical scheme provided by the utility model is：A kind of car entertainment navigation host is opened up
Module is opened up, it includes power supply, HUB control sections, apple MFI encryption trusted authentication chips and interface section；Described electricity
Source process part uses special automotive grade USB charging port controllers, and load switch and prison are provided with power supply
The functional unit of load is surveyed, described power supply supports the CDP charge modes of BC1.2 rechargeable standards；Described HUB controls
System part follows the agreements of USB 2.0, internal to contain a standard I that certification is formed with apple MFI encryption chips2C
Bridge units；Described interface section is the high-speed interface that can support USB information；Described power supply, HUB controls
System part, apple MFI encryption trusted authentication chips and interface section are integrated in a shell.
Preferably, it is 73m Ω that described power supply, which turns on typical internal resistance,.
Preferably, power supply wakeup unit, over-current protecting unit are additionally provided with described power supply, in mistake
Declaration form member and under-voltage locking unit.
Preferably, there are two interfaces of uplink port and downlink port described interface section, uplink port is
Rosenberger HSD interfaces, for connecting navigation host, downlink port is used to connect terminal use for the Type A interfaces of standard
Family.
After said structure, the utility model has the advantages that：Present patent application provides a kind of USB moulds
Block, it is only necessary to insert on the loop of original navigation host and terminal user, that is, be changed to：Main frame → USB module → terminal user.
Because our data link are also to use usb protocol, the design of original navigation host is not destroyed, we can integrate module
All soft and hardwares needed for CarPlay functions, original navigation host is packaged as one kind completely newly together in the form of a kind of annex
The host computer system of CarPlay functions is supported, and does not interfere with any function of original navigation host, it is originally any to control
The function of main frame, still can be with normal use, while our modules can also support BC1.2 rechargeable standards, greatly enrich car
The application of loading system.
Brief description of the drawings
Fig. 1 is the block diagram that car entertainment navigation host expands module in the utility model.
Fig. 2 is the HUB functional block diagrams that the utility model car entertainment navigation host expands module.
Fig. 3 is that the USB module function of the utility model car entertainment navigation host expansion module realizes block diagram.
Fig. 4 is that the utility model car entertainment navigation host expands modular structure schematic diagram.
Fig. 5 is the Standard figure that the utility model car entertainment navigation host expands module.
As shown in the figure：1st, covered on modular plastic；2nd, circuit board module；3rd, backlight light guide ring；4th, user terminal Type A connect
Mouthful；5th, modular plastic lower cover；6th, high speed signal connector.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing 5 is arrived with reference to accompanying drawing 1, a kind of car entertainment navigation host expands module, and it includes power supply, HUB
Control section, apple MFI encryption trusted authentication chips and interface section；Described power supply uses special automotive grade USB
Charging port controller, is provided with load switch and the functional unit of monitoring load in power supply, at described power supply
Support the CDP charge modes of BC1.2 rechargeable standards in reason part；Described HUB control sections follow the agreements of USB 2.0, and inside contains
There is a standard I that certification can be formed with apple MFI encryption chips2C Bridge units；Described interface section is can
Support the high-speed interface of USB information；Described power supply, HUB control sections, apple MFI encryption trusted authentication chips and connect
Oral area point is integrated in a shell.
Preferably, it is 73m Ω that described power supply, which turns on typical internal resistance,.
Preferably, power supply wakeup unit, over-current protecting unit are additionally provided with described power supply, in mistake
Declaration form member and under-voltage locking unit.
Preferably, there are two interfaces of uplink port and downlink port described interface section, uplink port is
Rosenberger HSD interfaces, for connecting navigation host, downlink port is used to connect terminal use for the Type A interfaces of standard
Family.
When it is implemented, further combined with accompanying drawing 5, described car entertainment navigation host, which expands module, to be included：Module is moulded
Lid 1, circuit board module 2, backlight are connect with light guide ring 3, user terminal Type A interfaces 4, modular plastic lower cover 5 and high speed signal on material
Plug-in unit 6；Lid 1 and modular plastic lower cover 5 form housing body construction on described modular plastic；Described circuit board module 2, the back of the body
Light light guide ring 3, user terminal Type A interfaces 4 and high speed signal connector 6 are installed in housing main body；Circuit board module 2
One end be connected with backlight light guide ring 3 and user terminal Type A interfaces 4；The other end of circuit board module 2, which is connected with, to be believed at a high speed
Number connector 6.Wherein user terminal Type A interfaces 4 connect navigation host (screen layer offer grounding) by shielding line, carry
For usb data, 5V, GND.Wherein USB data line is protected in our inside modules ESD, can bear 150pF/330 Ω electric discharge moulds
Contact discharge of the type to PIN progress ± 6KV.The 5V＆GND power supplies that navigation host provides are in inside modules electric capacity after filtering
Afterwards, export and give USB charge control modules, while there is polarity protection function, prevent from damaging control module under abnormal conditions.
There is USB charge controllers power supply wake-up, overcurrent protection, mistake to report, undervoltage lookout function, and support BC1.2
The CDP charge modes of rechargeable standard.
1) power supply wakes up：USB module can be allowed to enter deep sleep mode, play energy-conservation in an unloaded situation
Purpose.As the Device demand current ＞ 45mA of port, and can enough automatically wakes up.
2) overcurrent protection：Can hardware configuration work protective current, two kinds of mechanism can be played immediately when detecting excessively stream,
First constant current output, while reduce output voltage., now can be automatically into if fault mode does not eliminate also among this process
Overtemperature protection mechanism, directly cut-off it can export, until temperature declines 20 DEG C just recovers input again.Between this when of load is in
Have a rest shut-off, opening, until excessively stream condition removes under the protection mechanism more than of circulation.
3) mistake reports：When occur excessively stream, excess temperature etc. it is abnormal when, error message can be reported to HUB IC, and then upper report
Boat main frame reminds user (to prompt this function to need main frame to coordinate on navigation host, our USB modules, which only play, reports mesh
).
4) under-voltage locking：As the input voltage ＜ 3.9V of USB module, rated operation is in for protection system,
Output can be turned off.
5) the CDP patterns of charge mode BC1.2 standards are supported：Data can either be transmitted, while can also be charged.
Exported after output after ESD is protected and give high speed signal connector 6 (USB socket), terminaloriented client uses.
Inside modules have an integrated LDO (5v to 3.3v), the 5v photovoltaic conversion HUB IC＆ apples that navigation host is provided
3.3V needed for fruit MFI encryption chips (iPod Authentication Coprocessor).
HUB IC are the cores of whole controller, are on the one hand communicated with navigation host, on the other hand again with MFI encryption chips
Communicated by IIC, complete being mutually authenticated between terminal i OS equipment and encryption chip.The defeated of power management can also be controlled simultaneously
Go out and report information.
We use PC+ABC to shell, can be resistant to 100 DEG C it is indeformable.We use upper and lower cover latch to exempt from screw simultaneously
Fastening structure, it is easy to assembly.Meanwhile for aesthetic property, we have also done light guide ring at USB interface, can add when needed
Dress, but need light guide ring follow vehicle lampet switch-mode regulation if, it is necessary to navigation host support transmission brightness degree signal, or
Person directly introduces backlight drive signal in user terminal Type A interfaces 4.
At present, we also support the USB module of Type C interface in active development, and the interface can down it is compatible its
All characteristics of his USB interface.
It is convenient to realize the functions such as vehicle navigation upgrading CarPlay but core concept is still by the insertion of USB module.
In summary, being capable of the convenient expansion in the case where not changed to navigation host the invention provides one kind
The USB module of CarPlay functions and BC1.2 rechargeable standards.The speed of vehicle upgrading is so accelerated, makes vehicle in market
In seize the first opportunity.
The utility model and embodiments thereof are described above, this describe it is no restricted, shown in accompanying drawing
Also it is one of embodiment of the present utility model, actual structure is not limited thereto.All in all if this area it is general
Logical technical staff is enlightened by it, in the case where not departing from the utility model and creating objective, without designing with being somebody's turn to do for creativeness
The similar frame mode of technical scheme and embodiment, all should belong to the scope of protection of the utility model.
Claims (4)
1. a kind of car entertainment navigation host expands module, it is characterised in that：It include power supply, HUB control sections,
Apple MFI encrypts trusted authentication chip and interface section；Described power supply uses special automotive grade USB charging port controls
Device processed, load switch is provided with power supply and the functional unit of monitoring load, described power supply are supported
The CDP charge modes of BC1.2 rechargeable standards；Described HUB control sections follow the agreements of USB 2.0, and inside can containing one
The standard I of certification is formed with apple MFI encryption chips2C Bridge units；Described interface section is that can support USB information
High-speed interface；Described power supply, HUB control sections, apple MFI encryption trusted authentication chips and interface section is integrated in
In one shell.
2. car entertainment navigation host according to claim 1 expands module, it is characterised in that：Described power supply processing unit
It is 73m Ω to divide the typical internal resistance of conducting.
3. car entertainment navigation host according to claim 1 expands module, it is characterised in that：Described power supply processing unit
Power supply wakeup unit, over-current protecting unit, mistake reporting unit and under-voltage locking unit are additionally provided with point.
4. car entertainment navigation host according to claim 1 expands module, it is characterised in that：Described interface section has
Two interfaces of uplink port and downlink port, uplink port is Rosenberger HSD interfaces, for connecting navigation host, under
Row port is used to connect terminal user for the Type A interfaces of standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128079.1U CN207133821U (en) | 2017-09-05 | 2017-09-05 | A kind of car entertainment navigation host expands module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128079.1U CN207133821U (en) | 2017-09-05 | 2017-09-05 | A kind of car entertainment navigation host expands module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207133821U true CN207133821U (en) | 2018-03-23 |
Family
ID=61636479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721128079.1U Active CN207133821U (en) | 2017-09-05 | 2017-09-05 | A kind of car entertainment navigation host expands module |
Country Status (1)
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| CN (1) | CN207133821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931015A (en) * | 2019-12-04 | 2020-03-27 | 奇瑞新能源汽车股份有限公司 | Safety verification system and method for remotely controlling vehicle |
-
2017
- 2017-09-05 CN CN201721128079.1U patent/CN207133821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931015A (en) * | 2019-12-04 | 2020-03-27 | 奇瑞新能源汽车股份有限公司 | Safety verification system and method for remotely controlling vehicle |
| CN110931015B (en) * | 2019-12-04 | 2022-10-28 | 奇瑞新能源汽车股份有限公司 | Safety verification system and method for remotely controlling vehicle |
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