CN203643893U - Terminal equipment - Google Patents
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- CN203643893U CN203643893U CN201320687660.2U CN201320687660U CN203643893U CN 203643893 U CN203643893 U CN 203643893U CN 201320687660 U CN201320687660 U CN 201320687660U CN 203643893 U CN203643893 U CN 203643893U
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Abstract
The utility model discloses terminal equipment. The terminal equipment comprises a first USB interface including a first power supply terminal and a first data terminal; a second USB interface including a second power supply terminal and a second data terminal; a power supply management chip including a first power supply control terminal connected with the first power supply terminal, and a second power supply control terminal connected with the second power supply terminal; a battery connected with the power supply management chip; a first option switch including a first terminal, a second terminal connected with the first data terminal, a third terminal connected with the second data terminal, and a first control terminal for connecting the first terminal with the second terminal or connecting the first terminal with the third terminal according to an obtained control signal; and a processor chip including a data transmission terminal connected with the first terminal, and a first control signal output terminal for outputting the control signal, wherein the first control signal output terminal is connected with the first control terminal. Through the mode, the terminal equipment can be synchronously allocated with two USB interfaces, and can alternatively use the USB interfaces according to the need.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a terminal equipment.
Background
Along with the development of computer technology, the dependence degree of people on the demand of terminal equipment is higher and higher, and the terminal equipment becomes the indispensable part of people's work, life gradually, and data transmission between the terminal equipment also becomes extremely commonly used function. A USB interface is often provided in a terminal device such as a mobile phone, a PDA (Personal Digital Assistant), a tablet computer, and a netbook, so that a user can perform data transmission with other devices.
In the prior art, a very convenient data transmission method is to use a USB disk, specifically, after the USB disk is inserted into a USB interface, a terminal device reads data from the USB disk, but the USB interface of the terminal device has a single purpose, and the USB interfaces of many terminal devices are often only used for data transmission with the USB disk, and do not relate to other purposes, which results in excessive waste of the USB interface and does not make good use of the USB interface.
Further, in the prior art, the USB interface provided on the terminal device is specifically a MICRO-USB interface or a MINI-USB interface, but the prior art does not provide a terminal device integrating two USB interfaces, i.e., a MICRO-USB interface and a MINI-USB interface.
In view of the foregoing, it is desirable to provide a terminal device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a terminal equipment, can realize that terminal equipment is equipped with two at least USB interfaces simultaneously to can select to use the USB interface as required.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a terminal device including: the first USB interface comprises a first ID terminal, a first power supply terminal and a first data terminal; the second USB interface comprises a second ID end, a second power end and a second data end; the power management chip comprises a first power control end, a second power control end and a power connection end, wherein the first power end is connected with the first power control end, and the second power end is connected with the second power control end; the positive electrode and the negative electrode of the battery are connected with the power supply connecting end of the power supply management chip; the first selector switch comprises a first end, a second end, a third end and a first control end, wherein the first end is connected with the second end when a first control signal is acquired, and the first end is connected with the third end when a second control signal is acquired, the second end is connected with the first data end, and the third end is connected with the second data end; the processor chip comprises a data transmission end, a first detection end, a second detection end and a first control signal output end used for outputting a first control signal or a second control signal, wherein the first detection end is connected with the first ID end, the second detection end is connected with the second ID end, the first control signal output end is connected with the first control end, and the data transmission end is connected with the first end.
The power management chip also comprises a charging control end used for controlling the second power end to charge the battery after the charging control signal is obtained; the processor chip further comprises a charging control signal output end which outputs a charging control signal when the voltage detected by the second detection end is at a high level, wherein the charging control signal output end is connected with the charging control end.
The first control signal output end is specifically used for outputting a first control signal when the voltage detected by the first detection end is a high level; or, the first control signal output terminal is specifically configured to output the second control signal when the voltage detected by the first detection terminal is at a low level and when the voltage detected by the second detection terminal is at a high level.
Wherein the first data terminal comprises a D + terminal and a D-terminal, the first power terminal comprises a positive terminal and a negative terminal, the second data terminal comprises a D + terminal and a D-terminal, the second power terminal comprises a positive terminal and a negative terminal, the first power control terminal comprises a positive connection terminal and a negative connection terminal, the second power control terminal comprises a positive connection terminal and a negative connection terminal, the first terminal comprises a first D + terminal and a first D-terminal, the second terminal comprises a second D + terminal and a second D-terminal, the third terminal comprises a third D + terminal and a third D-terminal, the data transmission terminal comprises a first differential data transmission terminal and a second differential data transmission terminal, the positive terminal of the first power terminal is connected with the positive connection terminal of the first power control terminal, the negative terminal of the first power terminal is connected with the negative connection terminal of the first power control terminal, the positive terminal of the second power terminal is connected with the positive connection terminal of the second power control terminal, the negative end of the second power supply end is connected with the negative connecting end of the second power supply control end, the first differential data transmission end is connected with the first D + end, the second differential data transmission end is connected with the first D-end, the D + end of the first USB interface is connected with the second D + end, the D-end of the first USB interface is connected with the second D-end, the D + end of the second USB interface is connected with the third D + end, and the D-end of the second USB interface is connected with the third D-end.
The terminal equipment further comprises a man-machine exchange interface which is used for acquiring an instruction input by a user and enabling the first control signal output end to output a first control signal or a second control signal according to the instruction input by the user, wherein the man-machine exchange interface is connected with the processor chip.
The terminal equipment also comprises a second selection switch and a mobile terminal high-definition audio and video standard interface MHL chip; the second selection switch comprises a fourth end, a fifth end, a sixth end and a second control end, wherein the fourth end is connected with the fifth end when a third control signal is acquired, and the fourth end is connected with the sixth end when a fourth control signal is acquired, the second data end is connected with the fourth end, and the third end is connected with the fifth end; the MHL chip comprises a video output end, wherein the video output end is connected with the sixth end; the processor chip further comprises a second control signal output end which outputs a third control signal when the second detection end detects that the USB device is inserted into the second USB interface, or outputs a fourth control signal when the second detection end detects that the MHL device is inserted into the second USB interface, and the second control signal output end is connected with the second control end.
Wherein the first data terminal comprises a D + terminal and a D-terminal, the first power terminal comprises a positive terminal and a negative terminal, the second data terminal comprises a D + terminal and a D-terminal, the second power terminal comprises a positive terminal and a negative terminal, the first power control terminal comprises a positive connection terminal and a negative connection terminal, the second power control terminal comprises a positive connection terminal and a negative connection terminal, the first terminal comprises a first D + terminal and a first D-terminal, the second terminal comprises a second D + terminal and a second D-terminal, the third terminal comprises a third D + terminal and a third D-terminal, the fourth terminal comprises a fourth D + terminal and a fourth D-terminal, the fifth terminal comprises a fifth D + terminal and a fifth D-terminal, the sixth terminal comprises a sixth D + terminal and a sixth D-terminal, the data transmission terminal comprises a first differential data terminal and a second differential data terminal, the video output terminal comprises a first video output terminal and a second video output terminal, the positive terminal of the first power supply end is connected with the positive connecting end of the first power supply control end, the negative terminal of the first power supply end is connected with the negative connecting end of the first power supply control end, the positive terminal of the second power supply end is connected with the positive connecting end of the second power supply control end, the negative terminal of the second power supply end is connected with the negative connecting end of the second power supply control end, the first differential data transmission end is connected with the first D + end, the second differential data transmission end is connected with the first D-end, the D + end of the first USB interface is connected with the second D + end, the D-end of the first USB interface is connected with the second D-end, the third D + end is connected with the fifth D + end, the third D-end is connected with the fifth D-end, the D + end of the second USB interface is connected with the fourth D + end, the first video output end is connected with the sixth D + end, the second video output end is connected with the sixth D-end, when the first control end acquires a first control signal, the first D + end is connected with the second D + end, the first D-end is connected with the second D-end, when the first control end acquires a second control signal, the first D + end is connected with the third D + end, the first D-end is connected with the third D-end, when the second control end acquires a third control signal, the fourth D + end is connected with the fifth D + end, the fourth D-end is connected with the fifth D-end, when the second control end acquires a fourth control signal, the fourth D + end is connected with the sixth D + end, and the fourth D-end is connected with the sixth D-end.
The first USB interface is a USB main equipment interface; the second USB interface is a USB slave device interface.
Wherein, the first USB interface is a MICRO-USB interface; the second USB interface is a MINI-USB interface.
The terminal device is one of a tablet computer, a mobile phone, a personal digital assistant terminal, a notebook computer and a desktop computer.
The utility model has the advantages that: different from the prior art, the utility model discloses a terminal equipment sets up first USB interface and first USB interface in terminal equipment simultaneously, when USB equipment is inserted to either one or both of first USB interface and second USB interface, first sense terminal judges whether first USB interface has inserted USB equipment through the ID end of first USB interface, whether second USB interface has inserted USB equipment through the ID end of second USB interface is judged to the second sense terminal, when inserting USB equipment at first USB interface, and when first control signal output end exports first control signal, terminal equipment carries out data transmission through first USB interface and USB equipment; when the USB equipment is inserted into the second USB interface and the second control signal is output from the first control signal output end, the terminal equipment performs data transmission with the USB equipment through the second USB interface; through the mode, the terminal equipment can be simultaneously provided with the two USB interfaces, and the USB interfaces can be selected and used according to the requirements.
Drawings
Fig. 1 is a schematic circuit configuration diagram of a terminal device according to a first embodiment of the present invention;
fig. 2 is a schematic circuit configuration diagram of a terminal device according to a second embodiment of the present invention;
fig. 3 is a schematic circuit configuration diagram of a terminal device according to a third embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a terminal device according to a fourth embodiment of the present invention.
Detailed Description
Referring to fig. 1, fig. 1 is a schematic circuit structure diagram of a terminal device according to a first embodiment of the present invention. The utility model provides a terminal equipment can be one in panel computer, cell-phone, personal digital assistant terminal, notebook computer and the desktop computer.
As shown in fig. 1, the terminal device disclosed by the present invention includes a first USB interface 11, a second USB interface 12, a power management chip 13, a battery 14, a first selection switch 15, and a processor chip 16. In this embodiment, the first USB interface 11 is a USB host device interface; the second USB interface 12 is a USB slave interface. Preferably, the first USB interface 11 is a MICRO-USB interface; the second USB interface 12 is a MINI-USB interface.
The first USB interface 11 includes a first data terminal 111, a first ID terminal 112, and a first power terminal 113. The second USB interface 12 includes a second data terminal 121, a second ID terminal 122, and a second power terminal 123.
The power management chip 13 includes a first power control terminal 131, a second power control terminal 132, and a power connection terminal 133. The first power terminal 113 is connected to the first power control terminal 131, and the second power terminal 123 is connected to the second power control terminal 132.
The positive and negative poles of the battery 14 are connected to the power connection terminals 133 of the power management chip 13.
The first selection switch 15 includes a first terminal 151, a second terminal 152, a third terminal 153, and a first control terminal 154. The second terminal 152 is connected to the first data terminal 111, and the third terminal 153 is connected to the second data terminal 121.
The processor chip 16 includes a first detection terminal 161, a second detection terminal 162, a first control signal output terminal 163 and a data transmission terminal 164. The first detection terminal 161 is connected to the first ID terminal 112, the second detection terminal 162 is connected to the second ID terminal 122, the first control signal output terminal 163 is connected to the first control terminal 154, and the data transmission terminal 164 is connected to the first terminal 151.
When the first control signal output terminal 163 of the processor chip 16 outputs the first control signal to the first control terminal 154, the first terminal 151 of the first selection switch 15 is connected to the second terminal 152, so that the processor chip 16 performs data transmission with the USB device through the first USB interface 11.
When the first control signal output terminal 163 of the processor chip 16 outputs the second control signal to the first control terminal 154, the first terminal 151 of the first selection switch 15 is connected to the third terminal 153, so that the processor chip 16 performs data transmission with the USB device through the second USB interface 12.
With further reference to fig. 2, fig. 2 is a schematic circuit structure diagram of a terminal device according to a second embodiment of the present invention.
The terminal device of the second embodiment in fig. 2 mainly differs from the terminal device of the first embodiment in fig. 1 in that: the processor chip further comprises a charging control signal output terminal 266, the power management chip further comprises a charging control terminal 234, the first data terminal comprises a D + terminal 2111 and a D-terminal 2112, and the first power terminal comprises a positive terminal 2131 and a negative terminal 2132. The second data terminal includes a D + terminal 2211 and a D-terminal 2212, and the second power terminals include a positive terminal 2231 and a negative terminal 2232. The first power control terminal includes a positive connection terminal 2311 and a negative connection terminal 2312, and the second power control terminal includes a positive connection terminal 2321 and a negative connection terminal 2322. The first end includes a first D + end 2511 and a first D-end 2512, the second end includes a second D + end 2521 and a second D-end 2522, and the third end includes a third D + end 2531 and a third D-end 2532. The data transmission terminals include a first differential data transmission terminal 2641 and a second differential data transmission terminal 2642. The positive terminal 2131 of the first power supply terminal is connected to the positive connection terminal 2311 of the first power supply control terminal, and the negative terminal 2132 of the first power supply terminal is connected to the negative connection terminal 2312 of the first power supply control terminal. A positive terminal 2231 of the second power supply terminal is connected to the positive connection terminal 2321 of the second power supply control terminal, and a negative terminal 2232 of the second power supply terminal is connected to the negative connection terminal 2322 of the second power supply control terminal. The first differential data transmission terminal 2641 is connected to the first D + terminal 2511, and the second differential data transmission terminal 2642 is connected to the first D-terminal 2512. The D + end 2111 of the first USB interface is connected with the second D + end 2521, and the D-end 2112 of the first USB interface is connected with the second D-end 2522. The D + terminal 2211 of the second USB interface is connected with the third D + terminal 2531, and the D-terminal 2212 of the second USB interface is connected with the third D-terminal 2532. The charge control signal output 266 is connected to the charge control terminal 234. When the first control end acquires the first control signal, the first D + end 2511 is connected with the second D + end 2521, and the first D-end 2512 is connected with the second D-end 2522. When the first control end acquires the second control signal, the first D + end 2511 is connected to the third D + end 2531, and the first D-end 2512 is connected to the third D-end 2532. In addition, when the first control terminal acquires the first control signal, and the processor chip 26 performs data transmission with the USB device through the first USB interface 21, the second USB interface 22 may also be inserted into another USB device, where at this time, the second USB interface 22 is a USB slave device interface, and the charging control signal output terminal 266 of the processor chip 26 outputs the charging control signal to the charging control terminal 234, so that the another USB device charges the battery of the terminal device through the second USB interface 22, thereby improving the cruising ability of the battery of the terminal device. The terminal device of the embodiment is suitable for transmitting data as differential signals.
Of course, the terminal device may also be provided with three USB interfaces or more than three USB interfaces, the first selection switch is a single-pole triple-throw switch or a single-pole multi-throw switch, and other related connections may refer to the foregoing embodiments, which are not described herein again.
As shown in fig. 3, fig. 3 is a schematic circuit structure diagram of a terminal device according to a third embodiment of the present invention. The utility model discloses a terminal equipment includes first USB interface 31, second USB interface 32, power management chip 33, battery 34, first select switch 35, second select switch 36, MHL chip 37, treater chip 38 and man-machine exchange interface 39.
The first USB interface 31 includes a first data terminal 311, a first ID terminal 312, and a first power terminal 313. The second USB interface 32 includes a second data terminal 321, a second ID terminal 322, and a second power terminal 323.
The power management chip 33 includes a first power control terminal 331, a second power control terminal 332, a power connection terminal 333 and a charging control terminal 334. The first power supply terminal 313 is connected to the first power supply control terminal 331, and the second power supply terminal 323 is connected to the second power supply control terminal 332.
The positive and negative poles of the battery 34 are connected to the power connection terminal 333 of the power management chip 33.
The first selection switch 35 includes a first terminal 351, a second terminal 352, a third terminal 353, and a first control terminal 354, wherein the second terminal 352 is connected to the first data terminal 311.
The second selection switch 36 includes a fourth terminal 361, a fifth terminal 362, a sixth terminal 363, and a second control terminal 364. The second data terminal 321 is connected to the fourth terminal 361, and the third terminal 353 is connected to the fifth terminal 362.
The MHL chip 37 includes a video output 371, wherein the video output 371 is connected to the sixth terminal 363.
The processor chip 38 includes a first detection terminal 381, a second detection terminal 382, a first control signal output terminal 383, a second control signal output terminal 384, a data transmission terminal 385 and a charging control signal output terminal 386. The first detection terminal 381 is connected to the first ID terminal 312, the second detection terminal 382 is connected to the second ID terminal 322, the first control signal output terminal 383 is connected to the first control terminal 354, the second control signal output terminal 384 is connected to the second control terminal 364, the data transmission terminal 385 is connected to the first terminal 351, and the charging control signal output terminal 386 is connected to the charging control terminal 334.
The man-machine interface 39 is connected to the processor chip 38, and the man-machine interface 39 is configured to obtain an instruction input by a user, and enable the first control signal output end 383 to output a first control signal or a second control signal according to the instruction input by the user, and enable the second control signal output end 384 to output a third control signal or a fourth control signal according to the instruction input by the user.
When the USB device is plugged into the first USB interface 31 and the voltage detected by the first detection terminal 381 is at a high level, the first control signal output terminal 383 outputs the first control signal to the first control terminal 354, and the first terminal 351 of the first selection switch 35 is connected to the second terminal 352, so that the processor chip 38 performs data transmission with the USB device through the first USB interface 31.
When the USB device is plugged into the second USB interface 32 and the USB device is not plugged into the first USB interface, the voltage detected by the first detection terminal 381 is at a low level, and the voltage detected by the second detection terminal 382 is at a high level, the first control signal output terminal 383 outputs the second control signal to the first control terminal 354, the second control signal output terminal 384 outputs the third control signal to the second control terminal 364, and the first terminal 351 of the first selection switch 35 is connected to the third terminal 353; the fourth terminal 361 and the fifth terminal 362 of the second selection switch 36 are connected to enable the processor chip 38 to perform data transmission with the USB device through the second USB interface 32.
When the voltage detected by the second detection terminal 382 is at a high level, the charging control signal output terminal 386 of the processor chip 38 outputs a charging control signal to the charging control terminal 334 to control the USB device to charge the battery 34 through the second power terminal 323, for example: the second USB interface 32 and the desktop computer are connected by a USB cable, so that the desktop computer can charge the battery 34 of the terminal device through the second USB interface 32.
When MHL (Mobile High-Definition Link) equipment (not shown) is inserted into the second USB interface 32, the second control signal output terminal 384 outputs a fourth control signal to the second control terminal 364, and the fourth terminal 361 is connected to the sixth terminal 363, so that the MHL equipment performs data transmission with the MHL chip 37 through the second USB interface 32.
When the first USB interface 31 and the second USB interface 32 are both plugged into USB devices, the terminal device follows the first-come first-serve principle, that is, when the first USB interface 31 is plugged into a USB device first and the second USB interface 32 is plugged into a USB device later, the processor chip 38 performs data transmission with the USB device through the first USB interface 31, and the second USB interface 32 does not perform data transmission; when the second USB interface 32 is inserted into the USB device first and the first USB interface 31 is inserted into the USB device later, the processor chip 38 performs data transmission with the USB device through the second USB interface 32, and the first USB interface 31 does not perform data transmission.
In this embodiment, when the first USB interface 31 and the second USB interface 32 are plugged into a USB device, the voltage detected by the first detecting terminal 381 and the second detecting terminal 382 is preferably at a high level, and of course, in other embodiments, when the first USB interface 31 and the second USB interface 32 are plugged into a USB device, the voltage detected by the first detecting terminal 381 and the second detecting terminal 382 is at a low level, which is determined by actual requirements.
With further reference to fig. 4, fig. 4 is a schematic circuit structure diagram of a terminal device according to a fourth embodiment of the present invention.
The terminal device of the fourth embodiment in fig. 4 mainly differs from the terminal device of the third embodiment in fig. 3 in that: the first data terminal includes a D + terminal 4111 and a D-terminal 4112, and the first power terminals include a positive terminal 4131 and a negative terminal 4132. The second data terminal comprises a D + terminal 4211 and a D-terminal 4212, and the second power terminal comprises a positive terminal 4231 and a negative terminal 4232. The first power control terminal includes a positive connection terminal 4311 and a negative connection terminal 4312, and the second power control terminal includes a positive connection terminal 4321 and a negative connection terminal 4322. The first end comprises a first D + end 4511 and a first D-end 4512, the second end comprises a second D + end 4521 and a second D-end 4522, the third end comprises a third D + end 4531 and a third D-end 4532, the fourth end comprises a fourth D + end 4611 and a fourth D-end 4612, the fifth end comprises a fifth D + end 4621 and a fifth D-end 4622, and the sixth end comprises a sixth D + end 4631 and a sixth D-end 4632. The data transmission terminal includes a first differential data transmission terminal 4851 and a second differential data transmission terminal 4852, and the video output terminal includes a first video output terminal 4711 and a second video output terminal 4712. The positive terminal 4131 of the first power supply terminal is connected to the positive connection terminal 4311 of the first power supply control terminal, and the negative terminal 4132 of the first power supply terminal is connected to the negative connection terminal 4312 of the first power supply control terminal. The positive terminal 4231 of the second power supply terminal is connected with the positive connection terminal 4321 of the second power supply control terminal, and the negative terminal 4232 of the second power supply terminal is connected with the negative connection terminal 4322 of the second power supply control terminal. The first differential data transmission terminal 4851 is connected to the first D + terminal 4511, the second differential data transmission terminal 4852 is connected to the first D-terminal 4512, the D + terminal 4111 of the first USB interface is connected to the second D + terminal 4521, the D-terminal 4112 of the first USB interface is connected to the second D-terminal 4522, the third D + terminal 4531 is connected to the fifth D + terminal 4621, and the third D-terminal 4532 is connected to the fifth D-terminal 4622. The D + terminal 4211 of the second USB interface is connected to the fourth D + terminal 4611, the D-terminal 4212 of the second USB interface is connected to the fourth D-terminal 4612, the first video output terminal 4711 is connected to the sixth D + terminal 4631, and the second video output terminal 4712 is connected to the sixth D-terminal 4632. When the first control terminal acquires the first control signal, the first D + terminal 4511 is connected to the second D + terminal 4521, and the first D-terminal 4512 is connected to the second D-terminal 4522. When the first control terminal acquires the second control signal, the first D + terminal 4511 is connected to the third D + terminal 4531, and the first D-terminal 4512 is connected to the third D-terminal 4532. When the second control terminal obtains the third control signal, the fourth D + terminal 4611 is connected to the fifth D + terminal 4621, and the fourth D-terminal 4612 is connected to the fifth D-terminal 4622. When the second control terminal obtains the fourth control signal, the fourth D + terminal 4611 is connected to the sixth D + terminal 4631, and the fourth D-terminal 4612 is connected to the sixth D-terminal 4632. In addition, when the first control end acquires the first control signal, the first D + end 4511 is connected with the second D + end 4521, and the first D-end 4512 is connected with the second D-end 4522, a fourth control signal may also be acquired at the second control end at the same time to control the fourth D + end 4611 to be connected with the sixth D + end 4631, and the fourth D-end 4612 to be connected with the sixth D-end 4632; when the first USB interface 41 is plugged into a USB device for data transmission, the MHL chip can transmit video signals to other USB devices through the second USB interface 42, so that each USB interface on the terminal device is fully utilized, and the utilization rate of the USB interface is improved.
The terminal device of the embodiment is suitable for transmitting data as differential signals.
It is worth mentioning that: the utility model discloses the arrangement order of USB interface pin that shows in the drawing only is for conveniently drawing, is not the arrangement order that is used for injecing USB interface pin, and the field of technical personnel can reset the arrangement order of USB interface pin according to actual need completely.
To sum up, the utility model discloses a terminal equipment sets up first USB interface and first USB interface simultaneously in terminal equipment, when arbitrary one in first USB interface and second USB interface or the two all inserted USB equipment, whether first USB interface was inserted to the ID end judgement first USB interface of first sense terminal through first USB interface, whether the second USB interface was inserted USB equipment and is selected to use one in first USB interface and the second USB interface according to the voltage at the ID end of first USB interface and the ID end of second USB interface through the ID end judgement second USB interface of second sense terminal. The utility model provides a technical scheme can realize that terminal equipment visits the data of USB equipment through first USB interface or second USB interface, can select to use first USB interface or second USB interface as required to, when second USB interface is connected with external power supply, the power end that can utilize second USB interface in step charges for terminal equipment's battery through external power supply.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (10)
1. A terminal device, comprising:
the first USB interface comprises a first ID terminal, a first power supply terminal and a first data terminal;
the second USB interface comprises a second ID end, a second power end and a second data end;
the power management chip comprises a first power control end, a second power control end and a power connection end, wherein the first power end is connected with the first power control end, and the second power end is connected with the second power control end;
the positive electrode and the negative electrode of the battery are connected with the power supply connecting end of the power supply management chip;
the first selector switch comprises a first end, a second end, a third end and a first control end, wherein the first end is connected with the second end when a first control signal is acquired, and the first end is connected with the third end when a second control signal is acquired, the second end is connected with the first data end, and the third end is connected with the second data end;
the processor chip comprises a data transmission end, a first detection end, a second detection end and a first control signal output end, wherein the first control signal output end is used for outputting the first control signal or the second control signal, the first detection end is connected with a first ID end, the second detection end is connected with a second ID end, the first control signal output end is connected with a first control end, and the data transmission end is connected with the first end.
2. The terminal device of claim 1,
the power supply management chip also comprises a charging control end used for controlling the second power supply end to charge the battery after acquiring the charging control signal;
the processor chip further comprises a charging control signal output end which outputs the charging control signal when the voltage detected by the second detection end is at a high level, wherein the charging control signal output end is connected with the charging control end.
3. The terminal device of claim 2,
the first control signal output end is specifically configured to output the first control signal when the voltage detected by the first detection end is a high level;
or,
the first control signal output end is specifically configured to output the second control signal when the voltage detected by the first detection end is at a low level and when the voltage detected by the second detection end is at a high level.
4. The terminal device according to claim 1, wherein the first data terminal includes a D + terminal and a D-terminal, the first power terminal includes a positive terminal and a negative terminal, the second data terminal includes a D + terminal and a D-terminal, the second power terminal includes a positive terminal and a negative terminal, the first power control terminal includes a positive connection terminal and a negative connection terminal, the second power control terminal includes a positive connection terminal and a negative connection terminal, the first terminal includes a first D + terminal and a first D-terminal, the second terminal includes a second D + terminal and a second D-terminal, the third terminal includes a third D + terminal and a third D-terminal, the data transmission terminal includes a first differential data transmission terminal and a second differential data transmission terminal, the positive terminal of the first power terminal is connected to the positive connection terminal of the first power control terminal, the negative end of the first power supply end is connected with the negative connecting end of the first power supply control end, the positive end of the second power supply end is connected with the positive connecting end of the second power supply control end, the negative end of the second power supply end is connected with the negative connecting end of the second power supply control end, the first differential data transmission end is connected with the first D + end, the second differential data transmission end is connected with the first D-end, the D + end of the first USB interface is connected with the second D + end, the D-end of the first USB interface is connected with the second D-end, the D + end of the second USB interface is connected with the third D + end, the D-end of the second USB interface is connected with the third D-end, wherein when the first control end acquires the first control signal, the first D + end is connected with the second D + end, and the first D-end is connected with the second D-end, when the first control end acquires the second control signal, the first D + end is connected with the third D + end, and the first D-end is connected with the third D-end.
5. The terminal device of claim 1,
the terminal equipment further comprises a man-machine exchange interface which is used for acquiring an instruction input by a user and enabling the first control signal output end to output a first control signal or a second control signal according to the instruction input by the user, wherein the man-machine exchange interface is connected with the processor chip.
6. The terminal device of claim 1,
the terminal equipment also comprises a second selection switch and a mobile terminal high-definition audio and video standard interface MHL chip;
the second selection switch comprises a fourth end, a fifth end, a sixth end and a second control end, wherein the fourth end is connected with the fifth end when a third control signal is acquired, the fourth end is connected with the sixth end when a fourth control signal is acquired, the second data end is connected with the fourth end, and the third end is connected with the fifth end;
the MHL chip comprises a video output end, wherein the video output end is connected with the sixth end;
the processor chip further comprises a second control signal output end which outputs a third control signal when the second detection end detects that the USB device is inserted into the second USB interface, or outputs a fourth control signal when the second detection end detects that the MHL device is inserted into the second USB interface, and the second control signal output end is connected with the second control end.
7. The terminal device according to claim 6, wherein the first data terminal includes a D + terminal and a D-terminal, the first power terminal includes a positive terminal and a negative terminal, the second data terminal includes a D + terminal and a D-terminal, the second power terminal includes a positive terminal and a negative terminal, the first power control terminal includes a positive connection terminal and a negative connection terminal, the second power control terminal includes a positive connection terminal and a negative connection terminal, the first terminal includes a first D + terminal and a first D-terminal, the second terminal includes a second D + terminal and a second D-terminal, the third terminal includes a third D + terminal and a third D-terminal, the fourth terminal includes a fourth D + terminal and a fourth D-terminal, the fifth terminal includes a fifth D + terminal and a fifth D-terminal, the sixth terminal includes a sixth D + terminal and a sixth D-terminal, the data transmission end comprises a first differential data transmission end and a second differential data transmission end, the video output end comprises a first video output end and a second video output end, the positive end of the first power supply end is connected with the positive connecting end of the first power supply control end, the negative end of the first power supply end is connected with the negative connecting end of the first power supply control end, the positive end of the second power supply end is connected with the positive connecting end of the second power supply control end, the negative end of the second power supply end is connected with the negative connecting end of the second power supply control end, the first differential data transmission end is connected with the first D + end, the second differential data transmission end is connected with the first D-end, the D + end of the first USB interface is connected with the second D + end, and the D-end of the first USB interface is connected with the second D-end, the third D + terminal is connected to the fifth D + terminal, the third D-terminal is connected to the fifth D-terminal, the D + terminal of the second USB interface is connected to the fourth D + terminal, the D-terminal of the second USB interface is connected to the fourth D-terminal, the first video output terminal is connected to the sixth D + terminal, the second video output terminal is connected to the sixth D-terminal, the first D + terminal is connected to the second D + terminal and the first D-terminal is connected to the second D-terminal when the first control terminal acquires the first control signal, the first D + terminal is connected to the third D + terminal and the first D-terminal is connected to the third D-terminal when the first control terminal acquires the second control signal, and the second control terminal acquires the third control signal, the fourth D + terminal is connected to the fifth D + terminal, and the fourth D-terminal is connected to the fifth D-terminal, and when the second control terminal acquires the fourth control signal, the fourth D + terminal is connected to the sixth D + terminal, and the fourth D-terminal is connected to the sixth D-terminal.
8. The terminal device according to any one of claims 1 to 7,
the first USB interface is a USB main equipment interface;
the second USB interface is a USB slave device interface.
9. The terminal device of claim 8,
the first USB interface is a MICRO-USB interface;
the second USB interface is a MINI-USB interface.
10. The terminal device of claim 1, wherein the terminal device is one of a tablet computer, a mobile phone, a personal digital assistant terminal, a notebook computer, and a desktop computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687660.2U CN203643893U (en) | 2013-11-01 | 2013-11-01 | Terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687660.2U CN203643893U (en) | 2013-11-01 | 2013-11-01 | Terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643893U true CN203643893U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320687660.2U Expired - Lifetime CN203643893U (en) | 2013-11-01 | 2013-11-01 | Terminal equipment |
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| Country | Link |
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| CN (1) | CN203643893U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503926A (en) * | 2015-01-08 | 2015-04-08 | 安徽航天信息有限公司 | Control method of portable self-service billing system |
| CN105718405A (en) * | 2016-01-28 | 2016-06-29 | 努比亚技术有限公司 | Mobile terminal and method for USB interface multiplex of processors of mobile terminal |
| WO2020019332A1 (en) * | 2018-07-27 | 2020-01-30 | 华为技术有限公司 | Mobile terminal |
-
2013
- 2013-11-01 CN CN201320687660.2U patent/CN203643893U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503926A (en) * | 2015-01-08 | 2015-04-08 | 安徽航天信息有限公司 | Control method of portable self-service billing system |
| CN105718405A (en) * | 2016-01-28 | 2016-06-29 | 努比亚技术有限公司 | Mobile terminal and method for USB interface multiplex of processors of mobile terminal |
| CN105718405B (en) * | 2016-01-28 | 2018-11-02 | 努比亚技术有限公司 | The method that the USB interface of mobile terminal and its processor is multiplexed |
| WO2020019332A1 (en) * | 2018-07-27 | 2020-01-30 | 华为技术有限公司 | Mobile terminal |
| CN112166422A (en) * | 2018-07-27 | 2021-01-01 | 华为技术有限公司 | Mobile terminal |
| CN112166422B (en) * | 2018-07-27 | 2022-04-26 | 华为技术有限公司 | Mobile terminal |
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