CN207965750U - A kind of smart machine accesses the device of external storage by direct-connected mode - Google Patents
A kind of smart machine accesses the device of external storage by direct-connected mode Download PDFInfo
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- CN207965750U CN207965750U CN201820426493.9U CN201820426493U CN207965750U CN 207965750 U CN207965750 U CN 207965750U CN 201820426493 U CN201820426493 U CN 201820426493U CN 207965750 U CN207965750 U CN 207965750U
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Abstract
The utility model discloses a kind of smart machines to access the device of external storage by direct-connected mode, including：Power interface unit, for connecting external power supply and powering for device or smart machine；Smart machine interface unit, for connecting smart machine and to smart machine transceiving data；External storage interface unit, for connecting external storage and to external storage transceiving data；Central control unit establishes signal path for controlling smart machine interface unit and external storage interface unit, realizes the data exchange between smart machine and external storage.Utility model device can realize that smart machine is connect with external storage in a manner of direct-connected, under the application scenarios for being not suitable for being wirelessly connected, connect fittings equipment for mobile phone and provide stabilization, compatible channel bridges scheme.The device transmission speed is fast and stablizes, plug and play, without setting, and good compatibility.The device also supports mobile phone data access in charging, solves the problems, such as the continuation of the journey that mobile phone big data exchanges.
Description
Technical field
The utility model is related to communication technique fields more particularly to a kind of smart machine to access external deposit by direct-connected mode
The device of storage.
Background technology
Smart mobile phone (pad) becomes a part for people's Working Life instead of PC.More and more applying all is
Based on mobile phone (pad) platform, it is extended.Although mobile phone (pad) embedded sensor and function module are
The normal life requirement of people, such as network, positioning, camera etc. can be met, but certain special applications and demand need
It wants other more rich sensors or module that could complete, has thus derived the component market mobile phone (pad).It is red such as earphone
Outer remote control, digital camera, keyboard, mouse and game console etc., purpose are exactly that mobile phone is coordinated to complete some application together
Experience.There are two types of connection type, wireless mode and wired direct-connected modes for general Cellphone Accessories.Wireless typically wifi and bluetooth,
Wired IOS defines MFI agreements based on lighting interfaces, and Android has two kinds of USB accessories pattern and host mode.
The shortcomings that existing scheme：
Wifi and bluetooth are although easy to use, but the rate of its data and stabilization can be with bandwidth, environmental disturbances, distances
Larger difference is shown, causes some to data transmission bauds, safety and stability requires high demand that can not realize.
Either wifi or bluetooth will at least connect once manually when in use, relatively low for certain frequency of use
Application, this operation can be brought to user much use upper trouble.
It is incompatible that direct-connected facility is mainly manifested in platform, it is difficult to accomplish to be compatible with iphone compatible android again, even
Some products android is also compatible with bad.This is primarily due to, and each cell phone manufacturer does not use unified interface, and
Software protocol.For example apple equipment oneself defines standard, it is unified that lighting interfaces, external equipment is used to have to comply with MFI associations
View.The manufacturer of Android is also not quite similar when interface defines, for example there are a series of just no support uvc in Huawei, causes external
Camera is not just supported.In short, the interface protocol that direct-connected aftermarket product is not unified, or common product is supported
Iphone or support android, while compatible product is also blank market at present.
Utility model content
In view of the above technical problems, the utility model embodiment provide a kind of smart machine accessed by direct-connected mode it is outer
The device for connecing storage, to solve the problems, such as that direct-connected facility platform is incompatible.
A kind of smart machine accesses the device of external storage by direct-connected mode, wherein described device includes：
Power interface unit, for connecting external power supply and powering for device or smart machine；
Smart machine interface unit, for connecting smart machine and to smart machine transceiving data；
External storage interface unit, for connecting external storage and to external storage transceiving data；
Central control unit establishes signal path for controlling smart machine interface unit and external storage interface unit,
Realize the data exchange between smart machine and external storage.
The smart machine accesses the device of external storage by direct-connected mode, wherein the smart machine is to have
The smart mobile phone or PAD of Android operation system, or to have the smart mobile phone or PAD of iOS operating systems.
The smart machine accesses the device of external storage by direct-connected mode, wherein it is described it is external be stored as USB flash disk,
SD storage cards, mobile hard disk.
The smart machine accesses the device of external storage by direct-connected mode, wherein the external power supply is DC 5V
Power supply, including adapter, charger baby.
The smart machine accesses the device of external storage by direct-connected mode, wherein the central control unit is
Microcontroller.
The smart machine accesses the device of external storage by direct-connected mode, wherein described device uses ARM framves
Structure, after external power supply is by power interface plant-grid connection, device powers on booting.
The smart machine accesses the device of external storage by direct-connected mode, wherein the power interface unit packet
The MicroUSB2.0 interfaces for external power supply grafting are included, described device is taken by MicroUSB2.O interfaces to external power supply
Electricity.
The smart machine accesses the device of external storage by direct-connected mode, wherein the smart machine interface list
Member includes the first USB interface, and the external storage interface unit includes secondary USB interface, and smart machine and external storage pass through
First USB interface and secondary USB interface bus carry out data exchange.Central control unit detects signal respectively to even by USB
The external storage for connecing the smart machine and connection secondary USB interface of the first USB interface carries out enumerating configuration, establishes first respectively
Information channel between USB interface and secondary USB interface realizes the data exchange of smart machine and external storage.
The smart machine accesses the device of external storage by direct-connected mode, wherein central control unit passes through DP
Signal knows that smart machine interface unit accesses smart machine, and central control unit is based on DP, and DM signal exchanges are realized to intelligence
It can equipment execution BC1.2 charge protocol functions.
The smart machine accesses the device of external storage by direct-connected mode, wherein central control unit control is outer
It connects power supply and provides maximum 1.5A charging currents to intelligent terminal.
In the technical solution that the utility model embodiment provides, for existing direct-connected facility platform incompatibility problem, carry
For that can realize that smart machine stores the device being connect in a manner of direct-connected with external, in the application scenarios for being not suitable for being wirelessly connected
Under, it connects fittings equipment for mobile phone (pad) and provides a stabilization, compatible channel bridges scheme.The device transmission speed is fast
And stablize, plug and play, without setting, the smart mobile phone of compatible several operation systems.In addition, the device also supports mobile phone side
Large current charge side data access solves mobile phone and carries out big data exchange, problem of continuing a journey.
Description of the drawings
Fig. 1 is that the structure for the device that smart machine accesses external storage by direct-connected mode in the utility model embodiment is shown
It is intended to.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that when element is expressed " being fixed on " another element, it can directly on another element,
Or may exist one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or may exist one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instructions such as term " vertically ", " horizontal ", "left", "right", "upper", "lower", "inner", "outside", " bottom "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot understand
To indicate or implying relative importance.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more relevant Listed Items.In addition, sheet disclosed below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in utility model different embodiments.
A kind of smart machine as shown in Figure 1 accesses the device of external storage by direct-connected mode, wherein described device packet
It includes：
Power interface unit 200, for connecting external power supply and powering for device or smart machine.
Smart machine interface unit 300, for connecting smart machine and to smart machine transceiving data.
External storage interface unit 400, for connecting external storage and to external storage transceiving data.
Central control unit 100, for control smart machine interface unit and external storage interface unit to establish signal logical
The data exchange between smart machine and external storage is realized on road.
Specifically, the smart machine is the smart mobile phone or PAD for having Android operation system, or to have iOS
The smart mobile phone or PAD of operating system.It is described external to be stored as USB flash disk, SD storage cards, mobile hard disk.Wherein, the external power supply
For DC 5V power supplys, including adapter, charger baby.The central control unit is microcontroller.
Further, described device uses ARM frameworks, and after external power supply is by power interface plant-grid connection, device powers on
Booting.
In specific embodiment, the power interface unit includes being used for external power supply grafting MicroUSB2.0
Interface, described device take electricity by MicroUSB2.O interfaces to external power supply.Wherein, central control unit passes through
DP signals know that smart machine interface unit accesses smart machine, central control unit is based on DP, and DM signal exchanges are realized pair
Smart machine executes BC1.2 charge protocol functions.Preferably, if intelligent terminal supports BC1.2 fast charge agreements, pass through BC1.2
Agreement, central control unit control external power supply and provide maximum 1.5A charging currents to intelligent terminal.
Specifically, the smart machine interface unit includes the first USB interface, the external storage interface unit includes the
Two USB interfaces, smart machine and external storage carry out data exchange by the first USB interface and secondary USB interface bus.Center
Control unit detects signal respectively to connecting the smart machine of the first USB interface and connecting the external of secondary USB interface by USB
Storage carries out enumerating configuration, establishes information channel between the first USB interface and secondary USB interface respectively, realizes smart machine and outside
Connect the data exchange of storage.When concrete application, when device is inserted into mobile phone and external storage equipment, device is detected by USB to be believed
Number enumerated mobile phone and external storage that (Android mobile phone is by AOA agreements, and apple intelligent terminal is to pass through itunes respectively
Agreement judges to set).After enumerating successfully, the APP of smart machine is then opened, it can simple realization bottom two by APP
A USB interface data exchange.By the individual information backup of smart machine to external storage, while can be played by smart machine
The film of external storage, music, data.External storage is directly accessed to realize by mode direct-connected this USB.
The operating mode of utility model device：After VBUS power inputs are crossed in central control unit clearance, into Working mould
Formula, central control unit initialize the first USB interface and secondary USB interface, by enumerating identification mobile phone and external storage.Work as hand
After machine and external storage are enumerated successfully, mobile phone directly can carry out data exchange by special APP to external storage.This practicality
New device Starting mode：It is interrupted and is waken up by power supply high level when system starts, external equipment insertion is high by DP signals
Level, which wakes up, carrys out monitoring device insertion, and the removal of equipment is judged by USB enumeration signal.
Utility model device has the following technical effects：The fast smart machine of A access speeds stores read or write speed to peripheral hardware
20MB/S or so can be reached.Far beyond wireless 10MB/S or so speed.Greatly improve Product Experience.B:Low work(
Consumption：50uA grades of product quiescent current can accomplish to be inserted into wake-up.Intelligentized power management reduces unnecessary power consumption.C：
Quick charge supports mobile phone fast charge function, maximum current that can reach 1.5A in data access.Meet client's cruising ability.
D：Dedicated cpu module design, PCB minimum dimensions can accomplish 25MM*13MM sizes, facilitate design.
In the technical solution that the utility model embodiment provides, for existing direct-connected facility platform incompatibility problem, carry
For that can realize that smart machine stores the device being connect in a manner of direct-connected with external, in the application scenarios for being not suitable for being wirelessly connected
Under, it connects fittings equipment for mobile phone (pad) and provides a stabilization, compatible channel bridges scheme.The device transmission speed is fast
And stablize, plug and play, without setting, the smart mobile phone of compatible several operation systems.In addition, the device also supports mobile phone side
Large current charge side data access solves mobile phone and carries out big data exchange, problem of continuing a journey.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The utility model design is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (10)
1. a kind of smart machine accesses the device of external storage by direct-connected mode, which is characterized in that described device includes：
Power interface unit, for connecting external power supply and powering for device or smart machine；
Smart machine interface unit, for connecting smart machine and to smart machine transceiving data；
External storage interface unit, for connecting external storage and to external storage transceiving data；
Central control unit establishes signal path for controlling smart machine interface unit and external storage interface unit, realizes
Data exchange between smart machine and external storage.
2. smart machine according to claim 1 accesses the device of external storage by direct-connected mode, which is characterized in that institute
It is the smart mobile phone or PAD for having Android operation system to state smart machine, or to have the intelligent hand of iOS operating systems
Machine or PAD.
3. smart machine according to claim 1 accesses the device of external storage by direct-connected mode, which is characterized in that institute
It states and external is stored as USB flash disk, SD storage cards, mobile hard disk.
4. smart machine according to claim 1 accesses the device of external storage by direct-connected mode, which is characterized in that institute
It is DC 5V power supplys, including adapter, charger baby to state external power supply.
5. smart machine according to claim 1 accesses the device of external storage by direct-connected mode, which is characterized in that institute
It is microcontroller to state central control unit.
6. smart machine according to claim 4 accesses the device of external storage by direct-connected mode, which is characterized in that institute
It states device and uses ARM frameworks, after external power supply is by power interface plant-grid connection, device powers on booting.
7. smart machine according to claim 6 accesses the device of external storage by direct-connected mode, which is characterized in that institute
It includes the MicroUSB2.0 interfaces for external power supply grafting to state power interface unit, and described device is connect by MicroUSB2.O
Mouth takes electricity to external power supply.
8. smart machine according to claim 6 accesses the device of external storage by direct-connected mode, which is characterized in that institute
It includes the first USB interface to state smart machine interface unit, and the external storage interface unit includes secondary USB interface, is intelligently set
Standby and external storage carries out data exchange by the first USB interface and secondary USB interface bus.
9. smart machine according to claim 8 accesses the device of external storage by direct-connected mode, which is characterized in that in
Centre control unit knows that smart machine interface unit accesses smart machine by DP signals, and central control unit is based on DP, DM letters
Number exchange realize to smart machine execute BC1.2 charge protocol functions.
10. smart machine according to claim 9 accesses the device of external storage by direct-connected mode, which is characterized in that
Central control unit controls external power supply and provides maximum 1.5A charging currents to intelligent terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426493.9U CN207965750U (en) | 2018-03-28 | 2018-03-28 | A kind of smart machine accesses the device of external storage by direct-connected mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426493.9U CN207965750U (en) | 2018-03-28 | 2018-03-28 | A kind of smart machine accesses the device of external storage by direct-connected mode |
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| Publication Number | Publication Date |
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| CN207965750U true CN207965750U (en) | 2018-10-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639821A (en) * | 2018-12-28 | 2019-04-16 | 承影互联(北京)科技有限公司 | File transfer means and document receiving method, device and storage medium |
| CN111522762A (en) * | 2019-02-02 | 2020-08-11 | 智微科技股份有限公司 | Transmission interface circuit |
-
2018
- 2018-03-28 CN CN201820426493.9U patent/CN207965750U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639821A (en) * | 2018-12-28 | 2019-04-16 | 承影互联(北京)科技有限公司 | File transfer means and document receiving method, device and storage medium |
| CN111522762A (en) * | 2019-02-02 | 2020-08-11 | 智微科技股份有限公司 | Transmission interface circuit |
| CN111522762B (en) * | 2019-02-02 | 2022-03-29 | 智微科技股份有限公司 | Transmission interface circuit |
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