CN105305184A - Universal serial bus interface and mobile electronic device - Google Patents
Universal serial bus interface and mobile electronic device Download PDFInfo
- Publication number
- CN105305184A CN105305184A CN201410317048.5A CN201410317048A CN105305184A CN 105305184 A CN105305184 A CN 105305184A CN 201410317048 A CN201410317048 A CN 201410317048A CN 105305184 A CN105305184 A CN 105305184A
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- usb
- special
- power supply
- usb socket
- changeover device
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Abstract
The invention provides a universal serial bus interface and a mobile electronic device. The universal serial bus interface comprises a special universal serial bus (USB) socket, a detection spring sheet and a control unit, wherein the special USB socket comprises an accommodating part which is used for being connected with a USB standard connector or an output connector of a power adapter; the depth of the accommodating part is greater than that of the USB standard socket; the detection spring sheet is arranged in the accommodating part of the special USB socket, so that, when the USB standard connector is connected to the special USB socket, the USB standard connector does not contact the detection spring sheet; when the output connector of the power adapter is connected to the special USB socket, the output connector of the power adapter does not contact the detection spring sheet; the control unit is connected to the special USB socket; and when the connector of the power adapter contacts the detection spring sheet, the state of an output signal is changed to inform that output of the power adapter is greater than electric power of the standard USB specification. According to the universal serial bus interface, relatively high watt charging can be carried out.
Description
Technical field
The present invention relates to USB (universal serial bus), particularly relate to the USB (universal serial bus) that can adjust charging mechanism according to use power-supply adapter or standard universal serial bus joint.
Background technology
Electronic apparatus uses jumbo battery, and this design can extend service time of battery, to the experience that user is good.Traditionally, USB (UniversalSerialBus; USB) various specifications all have maximum amount of power supply (such as, the maximum amount of power supply of USB3.0 is 900mA, the maximum amount of power supply of USB2.0 is then 500mA), that is lower wattage only can be provided to charge (the charging wattage about 4 ~ 5W such as, under USB3.0).Above-mentioned factor often causes the charging interval long.Therefore in order to save the charging interval, general electronic apparatus can use power supply changeover device to provide the charging power of higher wattage.
In view of this, need to provide a kind of charging mechanism integrating USB and power supply changeover device, the joint making this charging mechanism can connect power supply changeover device carries out the charging of higher wattage, also can connect USB joint and perform general data transfer function.
Summary of the invention
In order to overcome the defect of prior art, one embodiment of the invention provide a kind of USB (universal serial bus), comprise special USB (USB) socket, and detect shell fragment and a control unit.This special USB socket has an accommodation section, in order to connect the out splice going splice of a USB modular connection or a power supply changeover device; The degree of depth of this accommodation section is greater than the degree of depth of a USB standard socket.This detection shell fragment, is arranged in this accommodation section of this special USB socket; Make when this USB modular connection is connected to this special USB socket, this USB modular connection can not touch this detection shell fragment, and when the out splice going splice of this power supply changeover device is connected to this special USB socket, the out splice going splice of this power supply changeover device can touch this detection shell fragment.This control unit, connects this special USB socket, and when the junction contacts of this power supply changeover device is to this detection shell fragment, the state of its output signal can change, to notify that this power supply changeover device exports the electric power being greater than standard USB specifications.
Another embodiment of the present invention provides a kind of electronic apparatus, comprising: an agent set; And a USB (universal serial bus), couple this agent set.This USB (universal serial bus), comprises special USB (USB) socket, and detects shell fragment and a control unit.This special USB socket has an accommodation section, in order to connect the out splice going splice of a USB modular connection or a power supply changeover device; The degree of depth of this accommodation section is greater than the degree of depth of a USB standard socket.This detection shell fragment, is arranged in this accommodation section of this special USB socket; Make when this USB modular connection is connected to this special USB socket, this USB modular connection can not touch this detection shell fragment, and when the out splice going splice of this power supply changeover device is connected to this special USB socket, the out splice going splice of this power supply changeover device can touch this detection shell fragment.This control unit, connects this special USB socket, and when the junction contacts of this power supply changeover device is to this detection shell fragment, the state of its output signal can change, to notify that this power supply changeover device exports the electric power being greater than standard USB specifications.
The invention provides a kind of charging mechanism integrating USB and power supply changeover device, the joint making this charging mechanism can connect power supply changeover device carries out the charging of higher wattage, also can connect USB joint and perform general data transfer function.
Accompanying drawing explanation
Fig. 1 shows the system block diagram of the electronic apparatus 100 according to one embodiment of the invention.
Fig. 2 shows an embodiment of usb 12 in Fig. 1.
Fig. 3 A and Fig. 3 B is the specific embodiment of the special USB socket 121 of the present invention.
Fig. 4 is the specific embodiment realizing this control unit 123 of the present invention.
Wherein, description of reference numerals is as follows:
10 ~ electronic apparatus
11 ~ agent set
12 ~ USB interface
13 ~ battery
121 ~ special USB socket
122 ~ checkout gear
123 ~ control unit
30 ~ detect shell fragment
32 ~ USB modular connection
The special out splice going splice of 33 ~ power-supply adapter
The degree of depth of D ~ accommodation section
The length of d ~ USB modular connection 32
41 ~ input node
42 ~ output node
M1 ~ transistor
R1, R2 ~ resistor
V1, V2 ~ voltage source
Embodiment
Fig. 1 shows the system block diagram of the electronic apparatus 100 according to one embodiment of the invention.This electronic apparatus 10 comprises agent set 11, USB (USB) interface 12 and a battery 13.This agent set 11 connects this usb 12.This usb 12 can connect a USB modular connection with performing data transmission function, and the out splice going splice also by this USB modular connection or connection one power supply changeover device charges to this electronic apparatus 10.This battery 13 is arranged in this agent set 11, supplies electrical power to this electronic apparatus 10.
Fig. 2 shows an embodiment of usb 12 in Fig. 1.This usb 12 comprises special USB socket 121, checkout gear 122 and a control unit 123.This special USB socket 121 can in order to connect this USB modular connection with performing data transmission function, also by this USB modular connection or connect this power supply changeover device out splice going splice to perform the function of charging to the battery 13 of this electronic apparatus 10.This checkout gear 122 is positioned among this special USB socket 121, is this USB modular connection or the out splice going splice of this power supply changeover device in order to detect the device inserting this special USB socket 121.This control unit 123 connects this special USB socket 121.When this checkout gear 122 detects that the out splice going splice of this power supply changeover device inserts, this control unit 123 notifies that this power supply changeover device exports the electric power being greater than standard USB specifications.Such as, the charging wattage about 4 ~ 5W under USB3.0, and the maximum amount of power supply of USB3.0 is 900mA.Now, this control unit 123 notifies that this power supply changeover device exports the charging power being greater than 5W.
Fig. 3 A and Fig. 3 B is the specific embodiment of the special USB socket 121 of the present invention.In this embodiment, this special USB socket 121 has an accommodation section, in order to connect the out splice going splice 33 of this USB modular connection 32 or this power supply changeover device; This checkout gear 122 comprises a detection shell fragment 30 and is arranged in this accommodation section of this special USB socket 121.With reference to Fig. 3 A, degree of depth D due to this accommodation section is greater than the degree of depth (being also the length d being greater than this USB modular connection 32) of this USB standard socket 121, therefore, when this special USB socket 121 is inserted in this USB modular connection 32, this detection shell fragment 30 can not be touched.In of the present invention disclosing, the length of the out splice going splice 33 of the power supply changeover device used can deliberately be made into the length being greater than USB modular connection 32.With reference to Fig. 3 B, this detection shell fragment 30 namely can be touched when the out splice going splice 33 of this power supply changeover device inserts this special USB socket 121.In this embodiment, when this detection shell fragment 30 is contacted then (as Fig. 3 B), this detection shell fragment 30 can be connected to a ground nodes (not shown).
Fig. 4 is the possible specific embodiment realizing this control unit 123 of the present invention.In the present embodiment, this control unit 123 is a control circuit, this control circuit is made up of resistor R1 and R2, transistor M1, and wherein the input and output of this control circuit are respectively an input node 41 (grid of transistor M1) and an output node 42 (drain electrode of transistor M1).Voltage source V 1 and V2 are high potential.This input node 41 is connected to this detection shell fragment 30.This output node 42 is connected to a detection pin position.Meet the specification of USB3.0 for this special USB socket 121, this detection pin position is the 7th pin position of this special USB socket 121.If meet the specification of mini/micro-(Mini/Micro) USB2.0 for this special USB socket 121, then this detection pin position is the 4th pin position of this special USB socket 121.
As shown in Figure 3A, when a USB modular connection 32 is connected to this special USB socket 121, this USB modular connection 32 does not touch this detection shell fragment 30.When this USB modular connection 32 is connected to this special USB socket 121, this USB modular connection 32 does not touch this detection shell fragment 30.Now, this detection shell fragment 30 is that high potential (V1), transistor M1 conducting makes the output state signal of this control unit 123 maintain electronegative potential.That is the 7th pin position of this special USB3.0 plug 121 (or the 4th pin position of this special mini/micro-USB2.0 plug 121) still remains on the state of earthing potential, therefore running when connecting USB modular connection 32 can not be affected.
As shown in Figure 3 B, when the out splice going splice 33 of a power supply changeover device is connected to this special USB socket 121, the out splice going splice 33 of this power supply changeover device can touch this detection shell fragment 30, and oppresses this detection shell fragment 30 and contact ground nodes (not shown).Now, this detection shell fragment 30 and this input node 41 are electronegative potential, and transistor M1 closes and makes the output state signal of this control unit 123 go to high potential by electronegative potential.The output potential of this output node 42, by the 7th pin position of this special USB socket 121 specification of the USB3.0 (time) or the 4th pin position the specification of mini/micro-USB2.0 (time), pass to this power supply changeover device, to notify that this power supply changeover device exports the electric power being greater than standard USB specifications.Now, if for the specification of USB3.0, the out splice going splice 33 of this power supply changeover device is by connecting the 1st pin position, the 4th pin position output power of this special USB socket, and the out splice going splice 33 of this power supply changeover device at least has three pin positions, connect the 1st pin position of this special USB socket, the 4th pin position, the 7th pin position with correspondence.If for the specification of Mini/MicroUSB2.0, then the out splice going splice 33 of this power supply changeover device is by connecting the 1st pin position, the 5th pin position output power of this special USB socket, and the out splice going splice 33 of this power supply changeover device at least has three pin positions, connect the 1st pin position of this special USB socket, the 4th pin position, the 5th pin position with correspondence.
Though the present invention discloses as above with preferred embodiment, those of ordinary skill in the art are made can more clearly to understand content of the present invention.But those of ordinary skill in the art it will be appreciated that they can easily based on the present invention, design or modification process and use different disk systems to carry out identical object and/or reach the same advantage of embodiment presented here.Therefore the scope that protection scope of the present invention ought define depending on appended claim is as the criterion.
Claims (10)
1. a USB (universal serial bus), comprising:
One special Universal serial bus hub, i.e. special USB socket, have an accommodation section, in order to connect the out splice going splice of a USB modular connection or a power supply changeover device; The degree of depth of this accommodation section is greater than the degree of depth of a USB standard socket;
One detects shell fragment, is arranged in this accommodation section of this special USB socket; Make when this USB modular connection is connected to this special USB socket, this USB modular connection can not touch this detection shell fragment, and when the out splice going splice of this power supply changeover device is connected to this special USB socket, the out splice going splice of this power supply changeover device can touch this detection shell fragment; And
One control unit, connects this special USB socket, and when the out splice going splice of this power supply changeover device touches this detection shell fragment, the state of its output signal can change, to notify that this power supply changeover device exports the electric power being greater than standard USB specifications.
2. USB (universal serial bus) according to claim 1, wherein an input of this control unit connects this detection shell fragment, when the out splice going splice of this power supply changeover device touches this detection shell fragment, this detection shell fragment is connected to a ground nodes, by this detection shell fragment, the current potential of this ground nodes is passed to this control unit, make this control unit change the state of its output signal.
3. USB (universal serial bus) according to claim 2, wherein this special USB socket meets the specification of USB3.0; The out splice going splice of this power supply changeover device, by connecting the 1st pin position of this special USB socket, the 4th pin position and output power, receives the output signal of this control unit by the 7th pin position of this special USB socket.
4. USB (universal serial bus) according to claim 2, wherein this special USB socket meets the specification of mini/micro-USB2.0; The out splice going splice of this power supply changeover device, by connecting the 1st pin position of this special USB socket, the 5th pin position and output power, receives the output signal of this control unit by the 4th pin position of this special USB socket.
5. an electronic apparatus, comprising:
One agent set; And
One USB (universal serial bus), couples this agent set;
This USB (universal serial bus), comprising:
One special Universal serial bus hub, i.e. special USB socket, have an accommodation section, in order to connect the out splice going splice of a USB modular connection or this power supply changeover device; The degree of depth of this accommodation section is greater than the degree of depth of a USB standard socket;
One detects shell fragment, is arranged in this accommodation section of this special USB socket; Make when this USB modular connection is connected to this special USB socket, this USB modular connection can not touch this detection shell fragment, and when the out splice going splice of this power supply changeover device is connected to this special USB socket, the out splice going splice of this power supply changeover device can touch this detection shell fragment; And
One control unit, connects this special USB socket, and when the junction contacts of this power supply changeover device is to this detection shell fragment, the state of its output signal can change, to notify that this power supply changeover device exports the electric power being greater than standard USB specifications.
6. electronic apparatus according to claim 5, wherein an input of this control unit connects this detection shell fragment, when the out splice going splice of power supply changeover device touches this detection shell fragment, this detection shell fragment is connected to a ground nodes, by this detection shell fragment, the current potential of this ground nodes is passed to this control unit, make this control unit change the state of its output signal.
7. electronic apparatus according to claim 6, wherein this special USB socket meets the specification of USB3.0; The out splice going splice of this power supply changeover device, by connecting the 1st pin position of this special USB socket, the 4th pin position and output power, receives the output signal of this control unit by the 7th pin position of this special USB socket.
8. electronic apparatus according to claim 6, wherein this special USB socket meets the specification of mini/micro-USB2.0; The out splice going splice of this power supply changeover device, by connecting the 1st pin position of this special USB socket, the 5th pin position and output power, receives the output signal of this control unit by the 4th pin position of this special USB socket.
9. electronic apparatus according to claim 7, wherein the out splice going splice of this power supply changeover device at least has three pin positions, connects the 1st pin position of this special USB socket, the 4th pin position, the 7th pin position with correspondence.
10. electronic apparatus according to claim 8, wherein the out splice going splice of this power supply changeover device at least has three pin positions, connects the 1st pin position of this special USB socket, the 4th pin position, the 5th pin position with correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317048.5A CN105305184A (en) | 2014-07-04 | 2014-07-04 | Universal serial bus interface and mobile electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317048.5A CN105305184A (en) | 2014-07-04 | 2014-07-04 | Universal serial bus interface and mobile electronic device |
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| Publication Number | Publication Date |
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| CN105305184A true CN105305184A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410317048.5A Pending CN105305184A (en) | 2014-07-04 | 2014-07-04 | Universal serial bus interface and mobile electronic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848575B (en) * | 2017-02-10 | 2021-02-19 | 惠州Tcl移动通信有限公司 | External antenna, mobile terminal and antenna switching method |
Citations (4)
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| CN201374435Y (en) * | 2009-02-17 | 2009-12-30 | 庆盟工业股份有限公司 | High-current plug connector, high-current socket connector and high-current connector combination |
| CN202651561U (en) * | 2012-06-21 | 2013-01-02 | 冯健 | Voltage monitoring and quick charging converter |
| CN103138071A (en) * | 2011-12-02 | 2013-06-05 | 联想(北京)有限公司 | Universal serial bus (USB) interface socket |
| CN203415733U (en) * | 2013-08-26 | 2014-01-29 | 宣德科技股份有限公司 | Universal serial bus connector |
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2014
- 2014-07-04 CN CN201410317048.5A patent/CN105305184A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374435Y (en) * | 2009-02-17 | 2009-12-30 | 庆盟工业股份有限公司 | High-current plug connector, high-current socket connector and high-current connector combination |
| CN103138071A (en) * | 2011-12-02 | 2013-06-05 | 联想(北京)有限公司 | Universal serial bus (USB) interface socket |
| CN202651561U (en) * | 2012-06-21 | 2013-01-02 | 冯健 | Voltage monitoring and quick charging converter |
| CN203415733U (en) * | 2013-08-26 | 2014-01-29 | 宣德科技股份有限公司 | Universal serial bus connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106848575B (en) * | 2017-02-10 | 2021-02-19 | 惠州Tcl移动通信有限公司 | External antenna, mobile terminal and antenna switching method |
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Application publication date: 20160203 |
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