CN105281153B - A kind of interface, USB plug and mobile terminal - Google Patents
A kind of interface, USB plug and mobile terminal Download PDFInfo
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- CN105281153B CN105281153B CN201510092314.3A CN201510092314A CN105281153B CN 105281153 B CN105281153 B CN 105281153B CN 201510092314 A CN201510092314 A CN 201510092314A CN 105281153 B CN105281153 B CN 105281153B
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Abstract
The invention belongs to electronic technology fields, disclose a kind of interface, include several pins being sequentially arranged along interface depth direction, several pins include the first pin group and the second pin group, the first pin group with audio interface circuit for connecting, the second pin group with usb circuit for connecting, and the first pin group and the second pin group further include several common pins, and the common pin is connect by switching circuit with the audio interface circuit or usb circuit.The present invention also provides a kind of corresponding USB plug and mobile terminals, are applied to above-mentioned interface.The embodiment of the present invention keeps interface grafting easier, and the volume for saving traditional USB interface occupies.
Description
Technical field
The present invention relates to a kind of electronic technology field more particularly to interface, USB plug and mobile terminals.
Background technology
Under the influence of mobile terminal lightening trend, manufacturer important sets using the thickness control of mobile terminal as one
Meter requires.
Various in view of mobile terminal interface type, the volume of such as existing USB2.0 interfaces is about 120mm3, existing
The volume of USB3.0 interfaces is about 192mm3, mobile terminal inner space is occupied to a certain extent, to the product of mobile terminal
Design forms obstruction.
And existing USB interface all has fool-proof design, it is necessary to be inserted into from front, in grafting USB device, user needs
First identification USB plug is positive and negative, then could be inserted into, affect user experience.
Invention content
To overcome the problems such as mobile terminal interface type is various in the prior art and USB interface grafting is inconvenient, the present invention real
It applies example and provides a kind of interface, include several pins being sequentially arranged along interface depth direction, several pins include first
Pin group and the second pin group, the first pin group for connect with audio interface circuit, the second pin group for
Usb circuit connects, and the first pin group and the second pin group further include several common pins, the common pin
It is connect with the audio interface circuit or usb circuit by switching circuit.
On the other hand the embodiment of the present invention provides a kind of USB plug, the shape of the USB plug is column, including edge
Several terminals being sequentially arranged on the columnar USB plug length direction, several terminals be used for it is several in interface
Pin is correspondingly connected with.
Another further aspect of the embodiment of the present invention provides a kind of mobile terminal, including audio interface circuit and usb circuit,
Above-mentioned interface is used.
The embodiment of the present invention is provided a kind of corresponding by the way that the pin of interface to be sequentially arranged along interface depth direction
USB plug includes several terminals being sequentially arranged along column USB plug length direction, if in several terminals and interface
Main pipe foot is correspondingly connected with so that user need not recognize the positive and negative of USB plug in grafting USB plug, you can it is easily inserted,
The user experience is improved；Meanwhile the embodiment of the present invention realizes an interface can be separately connected audio interface circuit and USB interface
Circuit can effectively reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram of the first embodiment of interface of the present invention, and interface and general 3.5mm earphones are shown in figure
The connection relation of plug, each pin only illustrate part-structure；
Fig. 2 is the structural schematic diagram of the first embodiment of interface of the present invention, and interface and the embodiment of the present invention are shown in figure
In USB plug connection relation, the USB plug in the present embodiment is USB2.0 plugs, and each pin only illustrates part-structure；
Fig. 3 is the structural schematic diagram of the second embodiment of interface of the present invention, and interface and general 3.5mm earphones are shown in figure
The connection relation of plug, each pin only illustrate part-structure；
Fig. 4 is the structural schematic diagram of the second embodiment of interface of the present invention, and interface and the embodiment of the present invention are shown in figure
In USB plug connection relation, the USB plug in the present embodiment is USB3.0 plugs, and each pin only illustrates part-structure；
Fig. 5 is the structural schematic diagram of the first embodiment of USB plug of the present invention, and the USB plug in the present embodiment is
USB2.0 plugs；
Fig. 6 is the structural schematic diagram of the second embodiment of USB plug of the present invention, and the USB plug in the present embodiment is
USB3.0 plugs.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " radial direction ", " length ", " width ", " depth ",
The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
Or it is more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " contact " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
When the embodiment of the present invention refers to the ordinal numbers such as " first ", " second ", unless based on context its express really it is suitable
The meaning of sequence, it should be understood that only play differentiation and be used.
Referring to FIG. 1, be the structural schematic diagram of the first embodiment of interface of the present invention, interface and general is shown in figure
The connection relation of 3.5mm headphone plug.
Referring to FIG. 2, showing the USB plug in the interface and the present embodiment of the present embodiment unlike Fig. 1, in figure
Connection relation, the USB plug in the present embodiment is USB2.0 plugs.
Interface 1 described in the present embodiment includes several pins being sequentially arranged along interface depth direction, several pin packets
The first pin group and the second pin group are included, the first pin group with audio interface circuit for connecting, the second pin group
For being connect with usb circuit, the first pin group and the second pin group further include several common pins, the public affairs
Condominium foot is connect by switching circuit with the audio interface circuit or usb circuit.
In the present embodiment, the quantity of the first pin group is 4, and the quantity of the second pin group is 5.
In the present embodiment, the first pin group respectively includes GND feet 11, MIC feet 12, right channel R feet 13 and left sound
Road L feet 14, all common pins of the first pin group；Second pin group includes VBUS feet (charging pin), ID feet, D+
Foot, D- feet and GND feet 15, VBUS feet, ID feet, D+ feet, D- feet are common pin in the second pin group, wherein VBUS feet and
The GND feet 11 of one pin group are multiplexed, and the MIC feet 12 of ID feet and the first pin group are multiplexed, the right channel R of D+ feet and the first pin group
Foot 13 is multiplexed, and the L channel L feet 14 of D- feet and the first pin group are multiplexed.
The interface of the present embodiment further includes detection circuit, and several pins include pattern-recognition pin, the detection electricity
Road controls the switching circuit and is connect with the audio interface circuit or USB by detecting whether the pattern-recognition pin is grounded
Mouth circuit connection.
The pattern-recognition pin is to be located at the innermost pin of the interface in several pins；The pattern-recognition
The depth of pin is more than the length of general 3.5mm headphone plug, so that
When the detection circuit detects the pattern-recognition pin ground connection, controls the switching circuit and connect with the USB
Mouth circuit connection；
When the detection circuit detection pattern-recognition pin is earth-free, the switching circuit and the audio are controlled
Interface circuit connects.
In the present embodiment, the pattern-recognition pin is the GND feet 15 of the second pin group.
As shown in Figure 1, when interface is inserted into general 3.5mm headphone plug 2, the GND feet 15 of the second pin group are hanging
Earth-free, what detection circuit judged to be currently inserted into is general 3.5mm headphone plug, controls the switching circuit and is connect with the audio
Mouth circuit connection, realizes the voice communication between interface and general 3.5mm earphones.
As shown in Fig. 2, when interface is inserted into USB2.0 plugs 3 (this plug is USB plug provided in an embodiment of the present invention,
Can be discussed in detail in the first embodiment of USB plug), the USB2.0 plugs can from top to bottom be sequentially arranged VBUS terminals
The GND feet 15 of the GND terminal of (charging terminal), ID terminals, D+ terminals, D- terminals and ground connection, the second pin group contact
The GND terminal of the bottom of USB2.0 plugs, the second pin group ground connection, what detection circuit judged to be currently inserted into is that USB2.0 is inserted
Head controls the switching circuit and is connect with the usb circuit, realizes that interface is communicated with the data between USB2.0 equipment.
The embodiment of the present invention is provided a kind of corresponding by the way that the pin of interface to be sequentially arranged along interface depth direction
USB2.0 plugs include several terminals being sequentially arranged along column USB2.0 plug lengths direction, several terminals and interface
Interior several pins are correspondingly connected with so that user need not recognize the positive and negative of USB2.0 plugs, i.e., in grafting USB2.0 plugs
It can be easily inserted, the user experience is improved；Meanwhile the embodiment of the present invention realize an interface can be separately connected audio interface electricity
Road and usb circuit can effectively reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
Referring to FIG. 3, be the structural schematic diagram of the second embodiment of interface of the present invention, interface and general is shown in figure
The connection relation of 3.5mm headphone plug.
Referring to FIG. 4, showing the USB plug in the interface and the present embodiment of the present embodiment unlike Fig. 3, in figure
Connection relation, the USB plug in the present embodiment is USB3.0 plugs.
Interface 1 ' described in the present embodiment includes several pins being sequentially arranged along interface depth direction, several pins
Including the first pin group and the second pin group, the first pin group with audio interface circuit for connecting, second pin
For group for being connect with usb circuit, the first pin group and the second pin group further include several common pins, described
Common pin is connect by switching circuit with the audio interface circuit or usb circuit.
In the present embodiment, the quantity of the first pin group is 4, and the quantity of the second pin group is 9.
In the present embodiment, the first pin group respectively includes GND feet 21, MIC feet 22, right channel R feet 24 and left sound
Road L feet 26, all common pins of the first pin group；Second pin group includes VBUS feet, POWER_GND feet (power supply ground
Spool foot), D+ feet, D- feet, SSRX+ feet 23 (receive difference pin+), SSRX- feet 25 (receiving difference pin -), SSTX+ feet 27
(sending difference pin+), SSTX- feet 28 (sending difference pin -) and SIGNAL_GND feet 29 (signal ground pin), the second pipe
VBUS feet, POWER_GND feet, D+ feet, D- feet are common pin in foot group, wherein the GND feet of VBUS feet and the first pin group
The MIC feet 22 of 21 multiplexings, POWER_GND feet and the first pin group are multiplexed, and the right channel R feet 24 of D+ feet and the first pin group are multiple
With the L channel L feet 26 of D- feet and the first pin group are multiplexed.
The interface of the present embodiment further includes detection circuit, and several pins include pattern-recognition pin, the detection electricity
Road controls the switching circuit and is connect with the audio interface circuit or USB by detecting whether the pattern-recognition pin is grounded
Mouth circuit connection.
The pattern-recognition pin is to be located at the innermost pin of the interface in several pins；The pattern-recognition
The depth of pin is more than the length of general 3.5mm headphone plug, so that
When the detection circuit detects the pattern-recognition pin ground connection, controls the switching circuit and connect with the USB
Mouth circuit connection；
When the detection circuit detection pattern-recognition pin is earth-free, the switching circuit and the audio are controlled
Interface circuit connects.
In the present embodiment, the pattern-recognition pin is the SIGNAL_GND feet of the second pin group.
As shown in figure 3, when interface is inserted into general 3.5mm headphone plug 2 ', the SIGNAL_GND of the second pin group
Foot 29 is hanging earth-free, and what detection circuit judged to be currently inserted into is general 3.5mm headphone plug, controls the switching circuit and institute
Audio interface circuit connection is stated, realizes the voice communication between interface and general 3.5mm earphones.
As shown in figure 4, when interface is inserted into plug 3 ' USB3.0 (this plug is USB plug provided in an embodiment of the present invention,
Can be discussed in detail in the second embodiment of USB plug), the USB3.0 plugs can from top to bottom be sequentially arranged the ends VBUS
Son, POWER_GND terminals (power supply ground wire terminal), SSRX+ terminals (receiving differential terminal+), D+ terminals, SSRX- terminals (receive
Differential terminal -), D- terminals, SSTX+ terminals (send differential terminal+), SSTX- terminals (sending differential terminal -) and be grounded
SIGNAL_GND terminals (signal ground terminal).The SIGNAL_GND feet 29 of the second pin group contact USB3.0 plugs most
The SIGNAL_GND terminals of lower section, the second pin group ground connection, what detection circuit judged to be currently inserted into is USB3.0 plugs, controls institute
It states switching circuit to connect with the usb circuit, realizes that interface is communicated with the data between USB3.0 equipment.
The embodiment of the present invention is provided a kind of corresponding by the way that the pin of interface to be sequentially arranged along interface depth direction
USB3.0 plugs include several terminals being sequentially arranged along column USB3.0 plug lengths direction, several terminals and interface
Interior several pins are correspondingly connected with so that user need not recognize the positive and negative of USB3.0 plugs, i.e., in grafting USB3.0 plugs
It can be easily inserted, the user experience is improved；Meanwhile the embodiment of the present invention realize an interface can be separately connected audio interface electricity
Road and usb circuit can effectively reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
Referring to FIG. 5, the structural schematic diagram of the first embodiment for USB plug of the present invention, it can be with interface of the present invention
The Interference fit of first embodiment.The shape of the USB plug is column, including along the columnar USB plug length direction
On several terminals for being sequentially arranged, several terminals with several pins in interface for being correspondingly connected with.
In the present embodiment, the USB plug is USB2.0 plugs, and the USB2.0 plugs can from top to bottom cloth successively
Set VBUS terminals 31 (charging terminal), ID terminals 32, D+ terminals 33, D- terminals 34 and GND terminal 35, the length of the USB plug
Degree is more than the length of the general 3.5mm headphone plug, and the GND terminal 35 of USB plug end is connect with ground wire, so that USB2.0
Plug be inserted into second embodiment interface when, GND terminal 35 can with GND pins contacts, and make GND pins be grounded.
The embodiment of the present invention makes user when being inserted into USB2.0 plugs, need not recognize the positive and negative of USB2.0 plugs, you can
It is easily inserted, the user experience is improved.
Referring to FIG. 6, the structural schematic diagram of the second embodiment for USB plug of the present invention, it can be with interface of the present invention
The Interference fit of second embodiment.The shape of the USB plug is column, including along the columnar USB plug length direction
On several terminals for being sequentially arranged, several terminals with several pins in interface for being correspondingly connected with.
In the present embodiment, the USB plug is USB3.0 plugs, and the USB3.0 plugs can from top to bottom cloth successively
Set VBUS terminals 41, POWER_GND terminals 42, SSRX+ terminals 43, D+ terminals 44, SSRX- terminals 45, D- terminals 46, SSTX+
The length of terminal 47, SSTX- terminals 48 and SIGNAL_GND terminals 49, the USB plug is inserted more than the general 3.5mm earphones
The length of head, the SIGNAL_GND terminals 49 of USB plug end are connect with ground wire, so that USB3.0 plugs are being inserted into the second implementation
Example interface when, SIGNAL_GND terminals 49 can with SIGNAL_GND pins contacts, and make SIGNAL_GND pins be grounded.
The embodiment of the present invention makes user when being inserted into USB3.0 plugs, need not recognize the positive and negative of USB3.0 plugs, you can
It is easily inserted, the user experience is improved.
The embodiment of the present invention additionally provides a kind of mobile terminal, including audio interface circuit and usb circuit, uses
Interface described in the first embodiment or the second embodiment of above-mentioned interface.
The embodiment of the present invention makes user in grafting USB plug, need not recognize the positive and negative of USB plug, you can easily
It is inserted into, the user experience is improved；Meanwhile the embodiment of the present invention realize an interface can be separately connected audio interface circuit and
Usb circuit can effectively reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, e.g., the public pipe of the present invention
Foot is not limited to situation disclosed in embodiment, the present invention be not limited only to realize general 3.5mm earphone interfaces and USB2.0 or
USB3.0's shares, and the headset plug can be four terminal plugs with wheat or be three terminal plugs without wheat, described
USB plug can also be mini USB or micro USB plugs etc..It is any made by all within the spirits and principles of the present invention
Modifications, equivalent substitutions and improvements etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of interface, which is characterized in that include several pins being sequentially arranged along interface depth direction, several pin packets
Include the first pin group and the second pin group；The first pin group with audio interface circuit for connecting, the second pin group
For being connect with usb circuit, the first pin group and the second pin group further include several common pins, the public affairs
Condominium foot is connect by switching circuit with the audio interface circuit or usb circuit；
The interface further includes detection circuit, and several pins include pattern-recognition pin, and the detection circuit passes through inspection
It surveys whether the pattern-recognition pin is grounded, controls the switching circuit and connect with the audio interface circuit or usb circuit
It connects；
The pattern-recognition pin is to be located at the innermost pin of the interface in several pins；The pattern-recognition pin
Depth be more than general 3.5mm headphone plug length so that
When the detection circuit detects the pattern-recognition pin ground connection, the switching circuit and USB interface electricity are controlled
Road connects；
When the detection circuit detection pattern-recognition pin is earth-free, the switching circuit and the audio interface are controlled
Circuit connects；
The all common pins of first pin group.
2. interface as described in claim 1, which is characterized in that the quantity of the first pin group is 4, second pin
The quantity of group is 5.
3. interface as described in claim 1, which is characterized in that the quantity of the first pin group is 4, second pin
The quantity of group is 9.
4. a kind of mobile terminal, including audio interface circuit and usb circuit, which is characterized in that further include such as claim 1
To 3 any one of them interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092314.3A CN105281153B (en) | 2015-03-02 | 2015-03-02 | A kind of interface, USB plug and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092314.3A CN105281153B (en) | 2015-03-02 | 2015-03-02 | A kind of interface, USB plug and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105281153A CN105281153A (en) | 2016-01-27 |
| CN105281153B true CN105281153B (en) | 2018-08-17 |
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| CN201510092314.3A Active CN105281153B (en) | 2015-03-02 | 2015-03-02 | A kind of interface, USB plug and mobile terminal |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067613B (en) * | 2016-08-22 | 2019-01-08 | 北京贝威通石油科技有限公司 | A kind of sealing contact pin apparatus |
| CN109326911B (en) * | 2018-09-13 | 2020-12-29 | Oppo（重庆）智能科技有限公司 | Connector and charging data line |
| CN109462086A (en) * | 2018-11-09 | 2019-03-12 | 重庆秉为科技有限公司 | It is a kind of can both forward and reverse directions insertion data line and charging line interface |
| CN114416624A (en) * | 2022-01-05 | 2022-04-29 | 昂宝电子（上海）有限公司 | USB interface and control circuit and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN105281153A (en) | 2016-01-27 |
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