CN207442131U - A kind of data transmission device and storage device - Google Patents
A kind of data transmission device and storage device Download PDFInfo
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- CN207442131U CN207442131U CN201721244949.1U CN201721244949U CN207442131U CN 207442131 U CN207442131 U CN 207442131U CN 201721244949 U CN201721244949 U CN 201721244949U CN 207442131 U CN207442131 U CN 207442131U
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Abstract
The utility model is related to technical field of data transmission, provide a kind of data transmission device and storage device.Data transmission device includes adapter, at least first subdata line with the first USB interface and the more second subdata lines with secondary USB interface, OTG main equipments connect a wherein second subdata line, OTG slave devices connect a wherein first subdata line, and connect OTG main equipments with OTG slave devices by adapter to realize OTG functions.The data transmission device is applied widely, and the mobile equipment with different types of USB interface can realize OTG by the data transmission device.Storage device includes above-mentioned data transmission device and memory, which is used as OTG slave devices, has the mobile equipment of different types of USB interface, a kind of can be general as mobile equipment room storage medium by the connection of above-mentioned data transmission device.
Description
Technical field
The utility model is related to technical field of data transmission, are filled in particular to a kind of data transmission device and storage
It puts.
Background technology
In traditional USB technologies, mobile equipment (such as mobile phone, tablet computer) and USB external equipments (such as USB flash disk, mouse
Mark, keyboard etc.) to carry out data exchange, it is necessary to mobile equipment and USB external equipments are connected to main frame simultaneously, and
Data exchange is carried out under the control of main frame.USB On-The-Go are usually abbreviated as USB OTG or are directly written as
OTG is the technology that a kind of developed recently gets up, and as the supplement specification of 2.0 standards of USB, is mainly used in a variety of set
The connection of standby or mobile equipment room is to carry out data exchange.The appearance of OTG technologies causes in no main frame as terminal
In the case of, mobile equipment and USB external equipments can be directly connected to carry out data exchange, enormously simplify the data of equipment room
Exchange flow.
Realize that OTG functions need to use the USB data line of compatible OTG functions (simple in the description of the utility model at present
Claim OTG data cables) connect mobile equipment and USB external equipments.However, with the popularization of mobile equipment, a user possesses
The situation of more mobile equipment is very common, due to different vendor production mobile equipment standard usb interface disunity, only
Actual use demand of the user for OTG functions can not be met by possessing the OTG data cables of single USB interface.In addition, current
OTG data cables cannot generally reconnect main frame, and the user of mobile equipment is likely to still beyond OTG data cables buying
To buy a generic USB data cable again so as to move between equipment and main frame carry out data interaction or to movement set
It is standby to charge, it uses and is inconvenient, and cause the wasting of resources.
Utility model content
In view of this, the embodiment of the utility model provides a kind of data transmission device and storage device, existing to improve
OTG data cables function is single in technology, and the scope of application is small, and the problem of USB data line can not be substituted, cause the wasting of resources.
The embodiment of the utility model is achieved through the following technical solutions：
On the one hand, the embodiment of the utility model provides a kind of data transmission device, including：Adapter connects with adapter
The first data cable connect and the second data cable being connected with adapter；
First data cable includes at least a first subdata line, at least first subnumber with the first USB interface
According to wherein the first subdata line connection OTG slave device in line；
Second data cable includes the more second subdata lines with secondary USB interface, in more second subdata lines
Wherein the second subdata line connection OTG main equipment；
Adapter connects first subdata of the second subdata line of OTG main equipments with being connected OTG slave devices for control
Line connects.
Optionally, wherein first subdata line connection USB main equipment at least in first data cable, more the
At least the second subdata line connection USB slave device in two data cables；
USB main equipment is used to that the data between USB slave devices to be powered and/or shared to USB slave devices；
Adapter is additionally operable to second subnumber of the first subdata line of control connection USB main equipment with being connected USB slave devices
It is connected according to line.
Optionally, adapter includes setting change-over switch on the adapter, for controlling the second of connection OTG main equipments
Subdata line be connected OTG slave devices the first subdata line connect and/or, control connection USB main equipment the first subdata
Line is connected with being connected the second subdata line of USB slave devices.
Optionally, adapter further includes the display unit for being arranged on adapter surface, for showing connection OTG main equipments
Second subdata line is with being connected the of first mode that the first subdata line of OTG slave devices connects or, connection USB main equipment
The second mode that one subdata line is connected with being connected the second subdata line of USB slave devices.
Optionally, adapter further includes the power supply unit being arranged on inside adapter, is connected with external power supply, for
USB slave devices are powered.
Optionally, the second data cable further includes：The 3rd subdata line with Lightning male connectors, with
The electronic equipment connection of Lightning female seats.
Optionally, it is public to include Mircro USB male joints, USB Type A females and USB Type A for the first USB interface
Head.
Optionally, secondary USB interface includes Micro USB male joints and USB Type C male connectors.
Optionally, secondary USB interface further includes USB Type A females, is connected with patchcord or adapter, for passing through
Patchcord or adapter connect an electronic equipment.
On the other hand, the embodiment of the utility model provides a kind of storage device, including above-mentioned data transmission device and
Memory, memory connect as the wherein first subdata line in OTG slave devices, with an at least first subdata line
It connects.
The technical solution of the utility model at least has the advantages that：
The data transmission device and storage device that the utility model embodiment provides set switching in data transmission device
Device, the first data cable being connected with adapter and the second data cable being connected with adapter, the first data cable include having the
An at least first subdata line for one USB interface, wherein a connection OTG slave device, the second data cable include having second
More second subdata lines of USB interface, wherein a connection OTG main equipment, adapter connect OTG main equipments for controlling
Second subdata line is connected with being connected the first subdata line of OTG slave devices, so as to solve existing OTG data cables function list
One, the problem of scope of application is small, compatibility is strong, and a variety of mobile equipment can use the data transmission device to realize OTG work(
Energy.Storage device using above-mentioned data transmission device is applied widely, is situated between convenient for the storage simultaneously as a variety of mobile equipment
Matter.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram for the data transmission device that the utility model first embodiment provides；
Fig. 2 is common Micro USB data lines pin connected mode schematic diagram；
Fig. 3 is Micro USB OTG data wire pin connected mode schematic diagrams；
Fig. 4 is the structure diagram for the data transmission device that the utility model second embodiment provides；
Fig. 5 is the structure diagram for the data transmission device that the utility model 3rd embodiment provides.
In figure：1- data transmission devices；10- adapters；100- change-over switches；The first change-over switches of 102-；104-
Second change-over switch；The 3rd change-over switches of 106-；110- display units；The first indicator lights of 112-；The second indicator lights of 114-；
The 3rd indicator lights of 116-；The 4th indicator lights of 118-；20- the first subdata lines；The first Micro USB male joints of 202-；204-
First USB Type A male connectors；The first USB Type A females of 206-；30- the second subdata lines；The 2nd Micro of 302-
USB male joint；The 2nd USB Type C male connectors of 304-；The 2nd USB Type A females of 306-；The 3rd subdata lines of 40-；
400-Lightning male connectors.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In addition, the terms such as term " level ", " vertical ", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to represent the structure if " level " only refers to that its direction is more horizontal with respect to for " vertical "
It has to fully horizontally, but can be slightly tilted.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
Other feature and advantage of the utility model will illustrate in subsequent specification, also, partly from specification
It becomes apparent or is understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can
It realizes and obtains by specifically noted structure in the specification, claims and attached drawing write.
First embodiment：
With reference to Fig. 1, data transmission device 1 provided in this embodiment includes：Adapter 10, first be connected with adapter 10
Data cable, the second data cable being connected with adapter 10.
First data cable includes two first subdata lines 20, and one end of two first subdata lines 20 is both provided with first
USB interface, the other end of two first subdata lines 20 are connected with adapter 10.In the present embodiment, two first subnumbers
The first USB interface according to line 20 is the first MicroUSB male connectors 202 and the first USB Type A male connectors 204 respectively, it will be understood that
In other embodiments, the first USB interface can also be other kinds of USB interface.
Second data cable includes three second subdata lines 30, and one end of three second subdata lines 30 is both provided with second
USB interface, the other end of three second subdata lines 30 are connected with adapter 10.In the present embodiment, three second subnumbers
Secondary USB interface according to line 30 is the 2nd MicroUSB male connectors 302, the 2nd USB Type C male connectors 304 and the 2nd USB respectively
Type A females 306, it will be understood that in other embodiments, secondary USB interface can also be other kinds of USB interface.
Optionally, the second data cable further includes a 3rd subdata line 40, and one end of the 3rd subdata line 40 is equipped with
Lightning male connectors 400.
Data transmission device 1 provided in this embodiment, OTG functions pass through the first Micro USB male joints 202, second
302 and the 2nd USB Type C male connectors 304 of Micro USB male joints are realized.Wherein, the first Micro USB male joints 202 connect
OTG slave devices, such as can be that there are the external equipments such as the USB flash disk, mouse, keyboard of Micro USB female seats.2nd Micro USB
Male connector 302 connects OTG main equipments, such as can be that there is mobile phone, tablet computer of Micro USB female seats etc. to move equipment.The
Two USB Type C male connectors 304 connect OTG main equipments, such as can be mobile phone, the tablet computer with USB Type C female seats
Deng mobile equipment.
The key of difference OTG main equipments and OTG slave devices is the connection mode of USB interface pin, with common on the market
Common Micro USB data lines and Micro USB OTG data cables exemplified by.
With reference to Fig. 2, common Micro USB data lines one end is Micro USB interfaces, and the other end connects for USB Type A
Mouthful, Micro USB interfaces include 5 pins, are respectively：
VCC：+ 5V power supplys；
GND：Ground connection；
D+：Data cable is just；
D-：Data cable is born；
ID：Ground connection represents Micro USB interfaces connection USB main equipment；Vacantly, Micro USB interfaces connection USB is represented
Slave device.
USB Type A interfaces include 4 pins, are VCC, GND, D+ and D- respectively, and definition and Micro USB connect
Pin of the same name defines identical in mouthful, and is connected respectively by lead with pin of the same name.Since the ID pins of Micro USB interfaces hang
Sky so Micro USB interfaces connect USB slave devices, such as can be the mobile phone with Micro USB interfaces；USB Type
A interfaces connect USB main equipment, such as can be the main frames with USB Type A interfaces.
With reference to Fig. 3, Micro USB OTG data cables one end is Micro USB interfaces, and the other end connects for USB Type A
Mouthful, it is connected with the ID pins that differ only in of common Micro USB data lines with GND, that is, is grounded, is defined according to pin,
Micro USB interfaces connect USB main equipment, such as can be the mobile phones with Micro USB interfaces；USB Type A interfaces connect
USB slave devices are connect, such as can be the USB flash disk with USB Type A interfaces.If the mobile phone supports OTG functions, can visit
Ask the data in the USB flash disk.
In the description of the utility model, if USB main equipment supports OTG functions, it is referred to as OTG main equipments, with OTG master
The USB slave devices that equipment is connected by OTG data cables, be referred to as OTG slave devices, and USB main equipment and USB slave devices only refer to
The unrelated USB main equipment of OTG functions and USB slave devices.For example, the equipment at common Micro USB data lines both ends is referred to as
USB main equipment and USB slave devices, the equipment at Micro USB OTG data cables both ends be referred to as OTG main equipments and OTG from
Equipment.
With continued reference to Fig. 1,10 surface of adapter is provided with change-over switch 100, including the first change-over switch 102 and second turn
Switch 104 is changed, is respectively used to the pin connection side of the 2nd Micro USB male joints 302 of control and the 2nd USB Type C male connectors 304
Formula.
First illustrate the connection between the first Micro USB male joints 202 and the 2nd Micro USB male joints 302.For
One Micro USB male joints 202, ID pins are hanging, connect OTG slave devices.The VCC pin of first Micro USB male joints 202 with
And of the same name pin of the GND pin respectively with the 2nd Micro USB male joints 302 is connected.When the first change-over switch 102 bounces, control
It makes between the D+ pins of the first Micro USB male joints 202 and D- pins and the pin of the same name of the 2nd Micro USB male joints 302
Lead disconnects, while the ID pins of the 2nd Micro USB male joints 302 are hanging, at this time the first Micro USB male joints 202 and second
It is not connected between Micro USB male joints 302, does not form OTG data cables；When the first change-over switch 102 bounces, actually
Two Micro USB male joints 302 are connected with the first USB Type A male connectors 204, are used to implement the function of generic USB data cable, after
Text illustrates again.When the first change-over switch 102 is pressed, control the first Micro USB male joints 202 D+ pins and D- pins with
Lead connection between the pin of the same name of 2nd Micro USB male joints 302, while the ID pins of the 2nd Micro USB male joints 302
It is grounded, at this time composition OTG data cables between the first Micro USB male joints 202 and the 2nd Micro USB male joints 302, second
Micro USB male joints 302 are connected with OTG main equipments.
The connection between the first Micro USB male joints 202 and the 2nd USB Type C male connectors 304 is illustrated again.For
First Micro USB male joints 202, ID pins are hanging, connect OTG slave devices.The VCC pin of first Micro USB male joints 202
And GND pin is connected respectively with the VBUS pins of the 2nd USB Type C male connectors 304 and GND pin.When the second change-over switch
104 when bouncing, and controls the D+ pins of the first Micro USB male joints 202 and D- pins and the 2nd USB Type C male connectors 304
Lead between pin of the same name disconnects, while the CC pins of the 2nd USB Type C male connectors 304 are hanging, at this time the first Micro
It is not connected between 202 and the 2nd USB Type C male connectors 304 of USB male joint, does not form OTG data cables；When the second change-over switch
104 when bouncing, and actually the 2nd USB Type C male connectors 304 are connected with the first USB Type A male connectors 204, is used to implement common
The function of USB data line, illustrates again hereinafter.When the second change-over switch 104 is pressed, the first Micro USB male joints 202 of control
Lead between D+ pins and D- pins and the pin of the same name of the 2nd USB Type C male connectors 304 connects, while the 2nd USB
The CC pins ground connection of Type C male connectors 304, at this time between the first Micro USB male joints 202 and the 2nd USB Type C male connectors 304
OTG data cables are formed, the 2nd USB Type C male connectors 304 are connected with OTG main equipments.Wherein, the 2nd USB Type C male connectors 304
CC pins effect similar to the 2nd Micro USB male joints 302 ID pins, difference lies in be not during CC pins ground connection directly with
GND pin connects, but is the resistance eutral grounding of 5k Ω to 10k Ω by a resistance value.
When the first Micro USB male joints 202 connect OTG slave devices, can be connected with the 2nd Micro USB male joints 302
Form OTG data cables, can also connect with the 2nd USB Type C male connectors 304 and form OTG data cables, but cannot and meanwhile with second
Micro USB male joints 302 are connected with the 2nd USB Type C male connectors 304, otherwise can generate data transmission conflict, therefore first turn
Changing 102 and second change-over switch 104 of switch cannot press simultaneously, can only one bounce one and press or bounce simultaneously.It is optional
, the first change-over switch 102 and the second change-over switch 104 are set to off the structure of joint control, when one of them is pressed, if
If another is in down state, necessarily bounce.
In conclusion data transmission device 1 provided in this embodiment, can be adapted to Micro USB interfaces and USB
The OTG main equipments of Type C interface and the OTG slave devices with Micro USB interfaces, and pass through adapter 10 by OTG master
Equipment is connected with OTG slave devices, and the scope of application is than only there are two the OTG data cables of USB interface are wider for tool on the market at present.
Data transmission device 1 provided in this embodiment, USB functions pass through the first USB Type A male connectors 204, second
Micro USB male joints 302, the 2nd USB Type C male connectors 304, the 2nd USB Type A females 306 and Lightning male connectors
400 realize.Wherein, the first USB Type A male connectors 204 connection USB main equipment, such as can be with USB Type A female seats
The equipment such as main frame, mobile power.2nd Micro USB male joints 302 connect USB slave devices, such as can have
Mobile phone, tablet computer of Micro USB female seats etc. move equipment.2nd USB Type C male connectors 304 connect USB slave devices, example
Such as can be that there is the mobile phone of USB Type C female seats, tablet computer to move equipment.2nd USB Type A females 306 connect
USB slave devices, such as can be that mobile phone, tablet computer with USB Type A male connectors etc. moves equipment, but usually on the market
Mobile equipment and without USB Type A male connectors, so the 2nd USB Type A females 306 are actually as an expansion
Interface is opened up, further connection has distinct interface by patchcord of the grafting one end with USB Type A male connectors or adapter
Mobile equipment, such as the mobile phone with Mini USB female seats, the mobile phone with Samsung special purpose interface.Particularly, Lightning is public
First electronic equipment of 400 connection with Lightning female seats, the mainly mobile equipment such as mobile phone, tablet computer of Apple Inc.,
The above-mentioned electronic equipment with Lightning female seats although not possessing USB interface, from functional plane with USB slave devices
It is similar, in order to illustrate conveniently, in the description of the utility model, the equipment that Lightning male connectors 400 connect is also referred to as USB
Slave device.Above-mentioned USB functions include but not limited to power to USB slave devices by USB main equipment, USB main equipment and USB from
Data sharing is carried out between equipment and between each USB slave devices.
Above-mentioned USB functions are actually the function that usb hub is realized, can be corresponding by being set in adapter 10
Usb hub chip realize, usb hub chip may be, but not limited to, this implementations use MA8601.MA8601 is supported
The USB interface of one connection USB main equipment is expanded to the USB interface of four connection USB slave devices, in the present embodiment, even
The USB interface of USB main equipment is connect as the first USB Type A male connectors 204, the USB interface of connection USB slave devices is respectively second
Micro USB male joints 302, the 2nd USB Type C male connectors 304, the 2nd USB Type A females 306 and Lightning male connectors
400, wherein Lightning male connectors 400 have carried out the conversion of interface form inside adapter 10.USB set in the present embodiment
Line device can logically be considered as from the first USB Type A male connectors 204 respectively to the first USB Type A male connectors 204, second
Micro USB male joints 302, the 2nd USB Type C male connectors 304, the 2nd USB Type A females 306 and Lightning male connectors
400 four USB data lines, concept when being set forth below sometimes using USB data line replace usb hub.
It is mentioned above when illustrating the OTG functions of data transmission device 1, when the first change-over switch 102 bounces, second
Mircro USB male joints are connected with the first USB Type A male connectors 204.Specifically, the first USB Type A male connectors 204 and USB
Main equipment connects, the VCC pin and GND pin of the first USB Type A male connectors 204 respectively with the 2nd Micro USB male joints
302 pin of the same name connection.When the first change-over switch 102 bounces, control the first USB Type A male connectors 204 D+ pins and
Lead between D- pins and the pin of the same name of the 2nd Micro USB male joints 302 connects, while the 2nd Micro USB male joints
302 ID pins are hanging, form USB data line between the first USB Type A and the 2nd Micro USB male joints 302 at this time, the
Two Micro USB male joints 302 are connected with USB slave devices.When the first change-over switch 102 is pressed, the first USB Type A are controlled
Lead between the D+ pins of male connector 204 and D- pins and the pin of the same name of the 2nd Micro USB male joints 302 disconnects, while the
The ID pins ground connection of two Micro USB male joints 302, at this time between the first USB Type A and the 2nd Micro USB male joints 302 simultaneously
It does not connect, does not form USB data line, it was found from being described above, the 2nd Micro USB male joints 302 and the first Micro USB at this time
Male connector 202 connects, and is used to implement OTG functions.
It is mentioned that above when illustrating the OTG functions of data transmission device 1 when the second change-over switch 104 bounces, second
USB Type C male connectors 304 are connected with the first USB Type A male connectors 204.Specifically, the first USB Type A male connectors 204 with
USB main equipment connects, and the VCC pin and GND pin of the first USB Type A male connectors 204 are public with the 2nd USB Type C respectively
First 304 VBUS pins are connected with GND pin.When the second change-over switch 104 bounces, the first USB Type A male connectors are controlled
Lead between 204 D+ pins and D- pins and the pin of the same name of the 2nd USB Type C male connectors 304 connects, while second
The CC pins of USB Type C male connectors 304 are hanging, at this time structure between the first USB Type A and the 2nd USB Type C male connectors 304
Into USB data line, the 2nd USB Type C male connectors 304 are connected with USB slave devices.When the first change-over switch 102 is pressed, control
Between the D+ pins of first USB Type A male connectors 204 and D- pins and the pin of the same name of the 2nd USB Type C male connectors 304
Lead disconnects, while the ID pins ground connection of the 2nd USB Type C male connectors 304, at this time the first USB Type A and the 2nd USB
It is not connected between Type C male connectors 304, does not form USB data line, it was found from being described above, the 2nd USB Type C are public at this time
First 304 connect with the first Micro USB male joints 202, are used to implement OTG functions.
When the first USB Type A male connectors 204 connect USB main equipment, can be connected with the 2nd Micro USB male joints 302
Form USB data line, can also connect with the 2nd USB Type C male connectors 304 and form USB data line, can also and meanwhile with second
Micro USB male joints 302 are connected with the 2nd USB Type C male connectors 304 forms two articles of USB data lines, because usb hub
Design original intention is exactly in order to connect multiple USB slave devices simultaneously in USB main equipment by a USB interface, so first turn
It changes 102 and second change-over switch 104 of switch and may be at the state bounced simultaneously.Further, when 102 He of the first change-over switch
One of them of second change-over switch 104 bounces, and when another is pressed, can use the OTG functions of data transmission device 1 simultaneously
With USB functions.For being connected to the 2nd Micro USB male joints 302 movement equipment, can also be pressed in the first change-over switch 102
Or OTG main equipments or USB slave devices are respectively served as when bouncing, i.e., the OTG work(of data transmission device 1 is used in different time sections
It can be with USB functions.The mobile equipment being connected in the 2nd USB Type C male connectors 304 is similar.Data provided in this embodiment pass
Defeated device 1 it is powerful, occupation mode also very flexibly.For the 2nd USB Type A females 306 and Lightning
Male connector 400, be served only for connection USB device, be not used in connection OTG equipment, so change-over switch 100 not to its connected state into
Row control, i.e. the 2nd USB Type A females 306 and Lightning male connectors 400 always with the first USB Type A male connectors 204
Connection.
When being connected with multiple USB slave devices simultaneously on data transmission device 1, all USB slave devices pass through the first USB
Type A male connectors 204 are powered, it is understood that there may be the situation of electricity shortage.Optionally, power supply unit (figure is further included inside adapter 10
Be not shown), power supply unit can be but not limited to this implementation use transformer and voltage-stablizer, can connect external power supply into
Row power supply ensures the normal work of data transmission device 1.
Optionally, 10 surface of adapter is provided with display unit 110, for showing the first change-over switch 102 and second
State is pressed or bounced to change-over switch 104, and user can be made more intuitively to understand the work at present shape of data transmission device 1
State.For example, display unit 110 can include the first indicator light 112, word " OTG " is printed on lamp；Second indicator light 114, on lamp
It is printed on word " USB "；3rd indicator light 116 is printed on word " OTG " on lamp；4th indicator light 118 is printed on word on lamp
“USB”.Wherein the first indicator light 112 and the second indicator light 114 correspond to pressing or bouncing for the first change-over switch 102, and the 3rd refers to
Show that 116 and the 4th indicator light 118 of lamp corresponds to pressing or bouncing for the second change-over switch 104.By taking the first change-over switch 102 as an example,
When first change-over switch 102 is pressed, the second indicator light 114 goes out, if OTG main equipments and OTG slave devices have all connected at this time, first
Indicator light 112 is bright, and otherwise the first indicator light 112 also goes out；When first change-over switch 102 bounces, when change-over switch 100 bounces, the
One indicator light 112 goes out, if USB main equipment and USB slave devices have all connected at this time, the second indicator light 114 is bright, otherwise the second instruction
Lamp 114 also goes out.The situation of second change-over switch 104 is similar.It is appreciated that display unit 110 or other forms, such as
Display screen, what shown content was also not necessarily limited to the first change-over switch 102 and the second change-over switch 104 presses or bounces shape
State, further, the content that display unit 110 is shown are the first subdata line 20 and the second subdata line 30 or the first son
The connected state of 20 and the 3rd subdata line 40 of data cable and the function (OTG functions or USB functions) of being realized, are opened with conversion
100 are closed there is no positive connection, in other embodiments, transducer face not necessarily has change-over switch 100, such as conversion is opened
Closing 100 function can be realized by the chip of converter inside.
It is appreciated that using the first Micro USB male joints 202 as the interface for realizing OTG functions, the first USB in this implementation
Type A male connectors 204 the considerations of merely for the sake of market existing equipment, are not construed as to it as the interface for realizing USB functions
The restriction of function.For example, have it is a main frame more rare on the market have Micro USB female seats, then completely may be used
Slightly to be changed to the present embodiment, using the first Micro USB male joints 202 connecing as the USB functions of realizing data transmission device 1
Mouthful.
In conclusion data transmission device 1 provided in this embodiment, while there is the USB interface of multiple and different types
OTG data cables function and usb hub function, it is applied widely, a variety of mobile equipment can be connected.Meanwhile by OTG work(
It can be integrated in USB functions on same data transmission device 1, the user of mobile equipment need not buy the number of more difference in functionality again
According to line, the wasting of resources is effectively prevented.
Second embodiment：
With reference to Fig. 4, data transmission device 1 provided in this embodiment is unique to distinguish with essentially identical in first embodiment
In the first Micro USB male joints 202 in first embodiment are replaced with the first USB Type A females 206, it is used to implement
OTG functions, since the USB interface of most USB flash disks on current market is all for USB Type A male connectors, can be used as OTG from
Equipment connects the first USB Type A females 206, so data transmission device provided in this embodiment 1 has good practicality
Property.
3rd embodiment：
With reference to Fig. 5, data transmission device 1 provided in this embodiment combines first embodiment and second embodiment, including
Two the first subdata lines 20 for being used to implement OTG functions, the first USB interface is respectively 202 He of the first Micro USB male joints
First USB Type A females 206 further include a first subdata line 20 for being used to implement USB functions, the first USB interface
For the first USB Type A male connectors 204.To generate data transmission conflict when avoiding using OTG functions, the switch of change-over switch 100 is also
It can include the 3rd change-over switch 106, for controlling the first Micro USB male joints 202 of synchronization and the first USB Type A
Only there are one can connect with the 2nd Micro USB male joints 302 or the 2nd USB Type C male connectors 304 among female 206.
It is appreciated that data transmission device 1 provided in this embodiment can set more first subdata lines 20 and
Second subdata line 30 is to extend its function, but the form of change-over switch 100 also accordingly becomes complicated, can be by change-over switch
100 are changed to be arranged on the control chip inside adapter 10, to control the connection situation between subdata line, while extend display
The function of unit 110 allows user to set the state of control switch by display unit 110.
Fourth embodiment：
Storage device provided in this embodiment includes memory and first embodiment offer with Micro USB female seats
Data transmission device 1, which can be used as OTG slave devices, by data transmission device 1 with different types of USB
The OTG main equipments connection of interface, it is applied widely as the common memory medium of these OTG main equipments, in some inconveniences
In the environment of carrying main frame, using the memory as intermediary, the data sharing between a variety of mobile equipment can be realized.Together
When, it, can also be by it with being connected the 2nd Micro if memory needs to connect the main frame with USB Type A female seats
USB male joint 302 connects, and as USB slave devices, the function of the data transmission device 1 of first embodiment offer at this time is equivalent to one
The common Micro USB data lines of item.For example, memory provided in this embodiment is mobile hard disk, with shifting at present on the market
Dynamic hard disk product is compared, and mobile hard disk product on the market is usually only with common Micro USB data lines at present, and this reality
Data transmission device 1 that the storage device of example offer is provided using first embodiment is applied as data cable, function it is rich
It is bright to be better than common Micro USB data lines.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the utility model etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of data transmission device, which is characterized in that including：Adapter, the first data cable being connected with the adapter with
And the second data cable being connected with the adapter；
First data cable include with the first USB interface an at least first subdata line, described at least one first
Wherein the first subdata line connection OTG slave device in subdata line；
Second data cable includes the more second subdata lines with secondary USB interface, the more second subdata lines
In wherein the second subdata line connection OTG main equipment；
The adapter is used to control described in the second subdata line and the connection of the connection OTG main equipments
The first subdata line connection of OTG slave devices.
2. data transmission device according to claim 1, which is characterized in that its at least first data cable
In the first subdata line connection USB main equipment, at least second son in more second data cables
Data cable connects USB slave devices；
The USB main equipment is used to that the data between the USB slave devices to be powered and/or shared to the USB slave devices；
The adapter is additionally operable to control described in the first subdata line and the connection of the connection USB main equipment
The second subdata line connection of USB slave devices.
3. data transmission device according to claim 2, which is characterized in that the adapter includes being arranged on the switching
Change-over switch on device, for controlling described in the second subdata line of the connection OTG main equipments and the connection
The first subdata line connection of OTG slave devices and/or, control first subnumber of the connection USB main equipment
It is connected according to line with the second subdata line of the connection USB slave devices.
4. data transmission device according to claim 2, which is characterized in that the adapter, which further includes, is arranged on described turn
The display unit on device surface is connect, for showing the second subdata line of the connection OTG main equipments and the connection
The first mode of the first subdata line connection of the OTG slave devices or, the connection USB main equipment it is described
The second mode that first subdata line is connected with the second subdata line of the connection USB slave devices.
5. data transmission device according to claim 2, which is characterized in that the adapter, which further includes, is arranged on described turn
The power supply unit inside device is connect, is connected with external power supply, for powering to the USB slave devices.
6. data transmission device according to claim 1, which is characterized in that second data cable further includes：Have
3rd subdata line of Lightning male connectors, is connected with the electronic equipment with Lightning female seats.
7. data transmission device according to claim 1, which is characterized in that first USB interface includes MircroUSB
Male connector, USBTypeA females and USBTypeA male connectors.
8. data transmission device according to claim 1, which is characterized in that the secondary USB interface includes MicroUSB
Male connector and USBTypeC male connectors.
9. data transmission device according to claim 1, which is characterized in that the secondary USB interface further includes
USBTypeA females, are connected with patchcord or adapter, are set for connecting an electronics by the patchcord or the adapter
It is standby.
10. a kind of storage device, which is characterized in that including data transmission device as claimed in any one of claims 1-9 wherein with
And memory, the memory is as the wherein institute in the OTG slave devices, with an at least first subdata line
State the connection of the first subdata line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244949.1U CN207442131U (en) | 2017-09-26 | 2017-09-26 | A kind of data transmission device and storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244949.1U CN207442131U (en) | 2017-09-26 | 2017-09-26 | A kind of data transmission device and storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207442131U true CN207442131U (en) | 2018-06-01 |
Family
ID=62295145
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721244949.1U Active CN207442131U (en) | 2017-09-26 | 2017-09-26 | A kind of data transmission device and storage device |
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| CN (1) | CN207442131U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808876A (en) * | 2019-10-30 | 2020-02-18 | 厦门亿联网络技术股份有限公司 | Telephone debugging system and equipment |
| CN111029843A (en) * | 2019-12-26 | 2020-04-17 | 歌尔股份有限公司 | Communication device, switching device and control method thereof |
| CN113067211A (en) * | 2021-03-17 | 2021-07-02 | 深圳市众视通线材有限公司 | Vehicle-mounted video signal output line |
-
2017
- 2017-09-26 CN CN201721244949.1U patent/CN207442131U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808876A (en) * | 2019-10-30 | 2020-02-18 | 厦门亿联网络技术股份有限公司 | Telephone debugging system and equipment |
| CN111029843A (en) * | 2019-12-26 | 2020-04-17 | 歌尔股份有限公司 | Communication device, switching device and control method thereof |
| CN111029843B (en) * | 2019-12-26 | 2021-09-17 | 歌尔股份有限公司 | Communication device, switching device and control method thereof |
| CN113067211A (en) * | 2021-03-17 | 2021-07-02 | 深圳市众视通线材有限公司 | Vehicle-mounted video signal output line |
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