CN105281153A - Interface, USB plug and mobile terminal - Google Patents
Interface, USB plug and mobile terminal Download PDFInfo
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- CN105281153A CN105281153A CN201510092314.3A CN201510092314A CN105281153A CN 105281153 A CN105281153 A CN 105281153A CN 201510092314 A CN201510092314 A CN 201510092314A CN 105281153 A CN105281153 A CN 105281153A
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Abstract
The present invention belongs to the technical field of electronics, and discloses an interface. The interface comprises a plurality of base pins arranged in turn along a depth direction of the interface, the base pins comprise first base pin groups and second base pin groups, the first base pin groups are used for connection with an audio interface circuit while the second base pin groups are used for connection with a USB interface circuit, the first base pin groups and the second base pin groups also comprise public base pins, and the public base pins are connected with the audio interface circuit or the USB interface circuit through a switching circuit. A corresponding USB plug and a mobile terminal which are applied to the above interface are also provided. Plugged connection of the interface becomes simple and convenient, and size occupation of conventional USB interfaces is saved.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of interface, USB plug and mobile terminal.
Background technology
Under the impact of the lightening trend of mobile terminal, manufacturer using the THICKNESS CONTROL of mobile terminal as a significant design requirement.
In view of mobile terminal interface is of a great variety, the volume as existing USB2.0 interface is about 120mm
3, the volume of existing USB3.0 interface is about 192mm
3, occupy mobile terminal inner space to a certain extent, obstruction defined to the product design of mobile terminal.
And existing USB interface all has fool-proof design, must insert from front, when grafting USB device, user needs first to recognize the positive and negative of USB plug, then could insert, and have impact on user's experience.
Summary of the invention
Of a great variety for overcoming mobile terminal interface in prior art, and the problems such as USB interface grafting inconvenience, embodiments provide a kind of interface, comprise the some pins arranged in turn along interface depth direction, described some pins comprise the first pin group and the second pin group, described first pin group is used for being connected with audio interface circuit, described second pin group is used for being connected with usb circuit, described first pin group and described second pin group also comprise some common pins, described common pin is connected with described audio interface circuit or usb circuit by commutation circuit.
The embodiment of the present invention provides a kind of USB plug on the other hand, and the shape of described USB plug is column, comprises the some terminals along the described USB plug length direction of column is arranged in turn, and described some terminals are used for connect corresponding with the some pins in interface.
The embodiment of the present invention provides a kind of mobile terminal more on the one hand, comprises audio interface circuit and usb circuit, employs above-mentioned interface.
The embodiment of the present invention is by arranging the pin of interface in turn along interface depth direction, and a kind of corresponding USB plug is provided, comprise the some terminals arranged in turn along column USB plug length direction, described some terminals are corresponding with the some pins in interface to be connected, make user when grafting USB plug, do not need to recognize the positive and negative of USB plug, easily can insert, improve Consumer's Experience; Meanwhile, the embodiment of the present invention achieves an interface can connect audio interface circuit and usb circuit respectively, effectively can reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the first embodiment of interface of the present invention, and there is shown the annexation of interface and general 3.5mm headset plug, each pin only illustrates part-structure;
Fig. 2 is the structural representation of the first embodiment of interface of the present invention, there is shown the annexation of the USB plug in interface and the embodiment of the present invention, and the USB plug in the present embodiment is USB2.0 plug, and each pin only illustrates part-structure;
Fig. 3 is the structural representation of the second embodiment of interface of the present invention, and there is shown the annexation of interface and general 3.5mm headset plug, each pin only illustrates part-structure;
Fig. 4 is the structural representation of the second embodiment of interface of the present invention, there is shown the annexation of the USB plug in interface and the embodiment of the present invention, and the USB plug in the present embodiment is USB3.0 plug, and each pin only illustrates part-structure;
Fig. 5 is the structural representation of the first embodiment of USB plug of the present invention, and the USB plug in the present embodiment is USB2.0 plug;
Fig. 6 is the structural representation of the second embodiment of USB plug of the present invention, and the USB plug in the present embodiment is USB3.0 plug.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In describing the invention, it will be appreciated that, term " longitudinal direction ", " radial direction ", " length ", " width ", " degree of depth ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " contact " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
When the embodiment of the present invention mentions the ordinal number such as " first ", " second ", unless the meaning of based on context its certain order of representation, should be understood to has been only the use of differentiation.
Please refer to Fig. 1, is the structural representation of the first embodiment of interface of the present invention, there is shown the annexation of interface and general 3.5mm headset plug.
Please refer to Fig. 2, with Fig. 1 unlike, there is shown the annexation of the USB plug in the interface of the present embodiment and the present embodiment, the USB plug in the present embodiment is USB2.0 plug.
Interface 1 described in the present embodiment, comprise the some pins arranged in turn along interface depth direction, described some pins comprise the first pin group and the second pin group, described first pin group is used for being connected with audio interface circuit, described second pin group is used for being connected with usb circuit, described first pin group and described second pin group also comprise some common pins, and described common pin is connected with described audio interface circuit or usb circuit by commutation circuit.
In the present embodiment, the quantity of described first pin group is 4, and the quantity of described second pin group is 5.
In the present embodiment, described first pin group comprises GND pin 11, MIC pin 12, R channel R pin 13 and L channel L pin 14, first pin group is respectively all described common pin; Second pin group comprises VBUS pin (charging pin), ID pin, D+ pin, D-pin and GND pin 15, in second pin group, VBUS pin, ID pin, D+ pin, D-pin are common pin, wherein the GND pin 11 of VBUS pin and the first pin group is multiplexing, the MIC pin 12 of ID pin and the first pin group is multiplexing, the R channel R pin 13 of D+ pin and the first pin group is multiplexing, and the L channel L pin 14 of D-pin and the first pin group is multiplexing.
The interface of the present embodiment also comprises testing circuit, and described some pins comprise pattern recognition pin, and described testing circuit, by detecting described pattern recognition pin whether ground connection, controls described commutation circuit and is connected with described audio interface circuit or usb circuit.
Described pattern recognition pin is be positioned at the innermost pin of described interface in described some pins; The degree of depth of described pattern recognition pin is greater than the length of general 3.5mm headset plug, to make
When described testing circuit detects described pattern recognition pin ground connection, control described commutation circuit and be connected with described usb circuit;
When described testing circuit detect described pattern recognition pin earth-free time, control described commutation circuit and be connected with described audio interface circuit.
In the present embodiment, described pattern recognition pin is the GND pin 15 of the second pin group.
As shown in Figure 1, when interface inserts general 3.5mm headset plug 2, the GND pin 15 of described second pin group is unsettled earth-free, what testing circuit judged current insertion is general 3.5mm headset plug, control described commutation circuit to be connected with described audio interface circuit, realize the voice communication between interface and general 3.5mm earphone.
As shown in Figure 2, (the USB plug that this plug provides for the embodiment of the present invention when interface inserts USB2.0 plug 3, can introduce in detail in the first embodiment of USB plug), described USB2.0 plug can arrange VBUS terminal (charging terminal) from top to bottom successively, ID terminal, D+ terminal, the GND terminal of D-terminal and ground connection, the GND pin 15 of described second pin group contacts the GND terminal of the bottom of USB2.0 plug, second pin group ground connection, what testing circuit judged current insertion is USB2.0 plug, control described commutation circuit to be connected with described usb circuit, realize the data communication between interface and USB2.0 equipment.
The embodiment of the present invention is by arranging the pin of interface in turn along interface depth direction, and a kind of corresponding USB2.0 plug is provided, comprise the some terminals arranged in turn along column USB2.0 plug length direction, described some terminals are corresponding with the some pins in interface to be connected, make user when grafting USB2.0 plug, do not need to recognize the positive and negative of USB2.0 plug, easily can insert, improve Consumer's Experience; Meanwhile, the embodiment of the present invention achieves an interface can connect audio interface circuit and usb circuit respectively, effectively can reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
Please refer to Fig. 3, is the structural representation of the second embodiment of interface of the present invention, there is shown the annexation of interface and general 3.5mm headset plug.
Please refer to Fig. 4, with Fig. 3 unlike, there is shown the annexation of the USB plug in the interface of the present embodiment and the present embodiment, the USB plug in the present embodiment is USB3.0 plug.
Interface 1 ' described in the present embodiment, comprise the some pins arranged in turn along interface depth direction, described some pins comprise the first pin group and the second pin group, described first pin group is used for being connected with audio interface circuit, described second pin group is used for being connected with usb circuit, described first pin group and described second pin group also comprise some common pins, and described common pin is connected with described audio interface circuit or usb circuit by commutation circuit.
In the present embodiment, the quantity of described first pin group is 4, and the quantity of described second pin group is 9.
In the present embodiment, described first pin group comprises GND pin 21, MIC pin 22, R channel R pin 24 and L channel L pin 26, first pin group is respectively all described common pin, second pin group comprises VBUS pin, POWER_GND pin (power supply ground pin), D+ pin, D-pin, SSRX+ pin 23 (receiving difference pin+), SSRX-pin 25 (receiving difference pin-), SSTX+ pin 27 (sending difference pin+), SSTX-pin 28 (sending difference pin-) and SIGNAL_GND pin 29 (signal ground pin), VBUS pin in second pin group, POWER_GND pin, D+ pin, D-pin is common pin, wherein the GND pin 21 of VBUS pin and the first pin group is multiplexing, the MIC pin 22 of POWER_GND pin and the first pin group is multiplexing, the R channel R pin 24 of D+ pin and the first pin group is multiplexing, the L channel L pin 26 of D-pin and the first pin group is multiplexing.
The interface of the present embodiment also comprises testing circuit, and described some pins comprise pattern recognition pin, and described testing circuit, by detecting described pattern recognition pin whether ground connection, controls described commutation circuit and is connected with described audio interface circuit or usb circuit.
Described pattern recognition pin is be positioned at the innermost pin of described interface in described some pins; The degree of depth of described pattern recognition pin is greater than the length of general 3.5mm headset plug, to make
When described testing circuit detects described pattern recognition pin ground connection, control described commutation circuit and be connected with described usb circuit;
When described testing circuit detect described pattern recognition pin earth-free time, control described commutation circuit and be connected with described audio interface circuit.
In the present embodiment, described pattern recognition pin is the SIGNAL_GND pin of the second pin group.
As shown in Figure 3, when interface inserts general 3.5mm headset plug 2 ', the SIGNAL_GND pin 29 of described second pin group is unsettled earth-free, what testing circuit judged current insertion is general 3.5mm headset plug, control described commutation circuit to be connected with described audio interface circuit, realize the voice communication between interface and general 3.5mm earphone.
As shown in Figure 4, (the USB plug that this plug provides for the embodiment of the present invention when interface insertion USB3.0 plug 3 ', can introduce in detail in the second embodiment of USB plug), described USB3.0 plug can arrange VBUS terminal from top to bottom successively, POWER_GND terminal (power supply ground wire terminal), SSRX+ terminal (receiving differential terminal+), D+ terminal, SSRX-terminal (receiving differential terminal-), D-terminal, SSTX+ terminal (sending differential terminal+), the SIGNAL_GND terminal (signal ground terminal) of SSTX-terminal (sending differential terminal-) and ground connection.The SIGNAL_GND pin 29 of described second pin group contacts the SIGNAL_GND terminal of the bottom of USB3.0 plug, second pin group ground connection, what testing circuit judged current insertion is USB3.0 plug, control described commutation circuit to be connected with described usb circuit, realize the data communication between interface and USB3.0 equipment.
The embodiment of the present invention is by arranging the pin of interface in turn along interface depth direction, and a kind of corresponding USB3.0 plug is provided, comprise the some terminals arranged in turn along column USB3.0 plug length direction, described some terminals are corresponding with the some pins in interface to be connected, make user when grafting USB3.0 plug, do not need to recognize the positive and negative of USB3.0 plug, easily can insert, improve Consumer's Experience; Meanwhile, the embodiment of the present invention achieves an interface can connect audio interface circuit and usb circuit respectively, effectively can reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
Please refer to Fig. 5, is the structural representation of the first embodiment of USB plug of the present invention, can with the Interference fit of the first embodiment of interface of the present invention.The shape of described USB plug is column, comprises the some terminals along the described USB plug length direction of column is arranged in turn, and described some terminals are used for connect corresponding with the some pins in interface.
In the present embodiment, described USB plug is USB2.0 plug, described USB2.0 plug can arrange VBUS terminal 31 (charging terminal), ID terminal 32, D+ terminal 33, D-terminal 34 and GND terminal 35 from top to bottom successively, the length of described USB plug is greater than the length of described general 3.5mm headset plug, the GND terminal 35 of USB plug end is connected with ground wire, to make USB2.0 plug when the interface of insertion second embodiment, GND terminal 35 can with GND pins contact, and make GND pin ground connection.
The embodiment of the present invention makes user when inserting USB2.0 plug, does not need to recognize the positive and negative of USB2.0 plug, easily can insert, improve Consumer's Experience.
Please refer to Fig. 6, is the structural representation of the second embodiment of USB plug of the present invention, can with the Interference fit of the second embodiment of interface of the present invention.The shape of described USB plug is column, comprises the some terminals along the described USB plug length direction of column is arranged in turn, and described some terminals are used for connect corresponding with the some pins in interface.
In the present embodiment, described USB plug is USB3.0 plug, described USB3.0 plug can arrange VBUS terminal 41 from top to bottom successively, POWER_GND terminal 42, SSRX+ terminal 43, D+ terminal 44, SSRX-terminal 45, D-terminal 46, SSTX+ terminal 47, SSTX-terminal 48 and SIGNAL_GND terminal 49, the length of described USB plug is greater than the length of described general 3.5mm headset plug, the SIGNAL_GND terminal 49 of USB plug end is connected with ground wire, to make USB3.0 plug when the interface of insertion second embodiment, SIGNAL_GND terminal 49 can with SIGNAL_GND pins contact, and make SIGNAL_GND pin ground connection.
The embodiment of the present invention makes user when inserting USB3.0 plug, does not need to recognize the positive and negative of USB3.0 plug, easily can insert, improve Consumer's Experience.
The embodiment of the present invention additionally provides a kind of mobile terminal, comprises audio interface circuit and usb circuit, employs the first embodiment of above-mentioned interface or the interface described in the second embodiment.
The embodiment of the present invention makes user when grafting USB plug, does not need to recognize the positive and negative of USB plug, easily can insert, improve Consumer's Experience; Meanwhile, the embodiment of the present invention achieves an interface can connect audio interface circuit and usb circuit respectively, effectively can reduce the interface quantity of mobile terminal, save the space hold of traditional USB interface.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, as, common pin of the present invention is not limited to situation disclosed in embodiment, the present invention is not limited only to realize sharing of general 3.5mm earphone interface and USB2.0 or USB3.0, described headset plug can be band four terminal plugs of wheat or three terminal plugs not with wheat, and described USB plug can also be miniUSB or microUSB plug etc.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an interface, is characterized in that, comprises the some pins arranged in turn along interface depth direction, and described some pins comprise the first pin group and the second pin group; Described first pin group is used for being connected with audio interface circuit, described second pin group is used for being connected with usb circuit, described first pin group and described second pin group also comprise some common pins, and described common pin is connected with described audio interface circuit or usb circuit by commutation circuit.
2. interface as claimed in claim 1, it is characterized in that, also comprise testing circuit, described some pins comprise pattern recognition pin, described testing circuit, by detecting described pattern recognition pin whether ground connection, controls described commutation circuit and is connected with described audio interface circuit or usb circuit.
3. interface as claimed in claim 2, it is characterized in that, described pattern recognition pin is be positioned at the innermost pin of described interface in described some pins; The degree of depth of described pattern recognition pin is greater than the length of general 3.5mm headset plug, to make
When described testing circuit detects described pattern recognition pin ground connection, control described commutation circuit and be connected with described usb circuit;
When described testing circuit detect described pattern recognition pin earth-free time, control described commutation circuit and be connected with described audio interface circuit.
4. the interface as described in any one of claims 1 to 3, is characterized in that, described first pin group is all described common pin.
5. interface as claimed in claim 4, it is characterized in that, the quantity of described first pin group is 4, and the quantity of described second pin group is 5.
6. interface as claimed in claim 4, it is characterized in that, the quantity of described first pin group is 4, and the quantity of described second pin group is 9.
7. a USB plug, is characterized in that, the shape of described USB plug is column, comprises the some terminals along the described USB plug length direction of column is arranged in turn, and described some terminals are used for connect corresponding with the some pins in interface.
8. a kind of USB plug as claimed in claim 7, is characterized in that, the length of described USB plug is greater than the length of described general 3.5mm headset plug, and the terminal of described USB plug end is connected with ground wire.
9. a mobile terminal, comprises audio interface circuit and usb circuit, it is characterized in that, also comprises the interface as described in any one of claim 1 to 6.
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 |
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| 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 |
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| CN105281153A true CN105281153A (en) | 2016-01-27 |
| CN105281153B 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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| CN109326911A (en) * | 2018-09-13 | 2019-02-12 | 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 |
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| CN105281153B (en) | 2018-08-17 |
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