CN104932999B - A kind of USB mode-changeover device and intelligent terminal - Google Patents
A kind of USB mode-changeover device and intelligent terminal Download PDFInfo
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- CN104932999B CN104932999B CN201410099225.7A CN201410099225A CN104932999B CN 104932999 B CN104932999 B CN 104932999B CN 201410099225 A CN201410099225 A CN 201410099225A CN 104932999 B CN104932999 B CN 104932999B
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Abstract
The invention discloses a kind of USB mode-changeover device and intelligent terminal, belong to computer realm.Described device is applied in intelligent terminal, and intelligent terminal includes chipset, outside USB and internal Universal Serial Bus equipment；Described device includes：Switching circuit, universal serial bus concentrator and control module, switching circuit includes two inputs and two output ends, two inputs are connected with two USBs of chipset respectively, two output ends connect outside USB and universal serial bus concentrator respectively, and universal serial bus concentrator is connected with least one internal Universal Serial Bus equipment；Control module, for detecting HDMI signal or intelligent terminal pattern, and control switching circuit to connect chipset and outside USB and universal serial bus concentrator according to testing result, or connect outside USB and universal serial bus concentrator.
Description
Technical field
The present invention relates to computer realm, more particularly to a kind of USB mode-changeover device and intelligence are eventually
End.
Background technology
With the gradual combination of TV and computer, intelligent television and computer all-in-one machine have obtained rapid development.
Intelligent television is similar with the primary structure of computer all-in-one machine, and by taking computer all-in-one machine as an example, it mainly includes：Main frame and
Display two parts, main frame and display are organically integrated together, and it can cut in display mode and computer model
Change, when being under display mode, can be connected with other main frames.
Under display mode, computer all-in-one machine passes through HDMI (High
DefinitionMultimedia Interface, referred to as " HDMI ") receive the vision signal of other main frames transmission, and computer one
USB (Universal Serial Bus, referred to as " USB ") equipment, such as touch apparatus, camera in body machine, then
It is connected by USB interface with other main frames.USB interface therein is referred to as controlled end USB interface.It is readily apparent that, in computer
On all-in-one in addition to controlled end USB interface, control terminal USB interface can also be set, the effect of this control terminal USB interface is
Grafting peripheral hardware, such as flash disk, key mouse.
During the present invention is realized, inventor has found that prior art at least has problems with：
A USB interface on intelligent television and computer all-in-one machine at present, can only be in display mode and computer model
A kind of pattern under work, so if when needing the interface to work under both modes simultaneously, can cause intelligent television and
USB interface on computer all-in-one machine is more, both uneconomical, is also inconvenient to operate.
The content of the invention
In order to solve under a kind of pattern that a USB interface can only be in display mode and computer model in the prior art
The problem of work, the embodiments of the invention provide a kind of USB mode-changeover device and intelligent terminal.It is described
Technical scheme is as follows：
On the one hand, the embodiments of the invention provide a kind of USB mode-changeover device, applied to intelligence
In terminal, the intelligent terminal includes chipset, outside USB and at least one internal Universal Serial Bus
Equipment, the chipset are provided with USB；
Described device includes：Switching circuit, universal serial bus concentrator and control module, the switching circuit include two
Input and two output ends, two input are connected with two USBs of the chipset respectively, and described two
Output end connects the outside USB and the universal serial bus concentrator, the general serial respectively
Bus hub is connected with least one internal Universal Serial Bus equipment, the control module and the switching circuit control
End connection processed；
The control module, for detecting HDMI signal or the intelligent terminal pattern, and according to
Testing result control the switching circuit connect the chipset with it is described outside USB and described general
Serial bus concentrator, or connect the outside USB and the universal serial bus concentrator.
In a kind of implementation of the embodiment of the present invention, the switching circuit also include first switch, second switch and
3rd switch, an input are connected by the first switch with an output end, another described input
It is connected by the second switch with output end another described, two output ends are connected by the described 3rd switch.
In another implementation of the embodiment of the present invention, the control module, the high-resolution is detected for working as
When degree multimedia interface signal or the intelligent terminal pattern are display mode, disconnect the first switch and described second and open
Close, connect the 3rd switch；
When being not detected by the HDMI signal or the intelligent terminal pattern is terminal pattern, connect
Lead to the first switch and the second switch, disconnect the 3rd switch.
In another implementation of the embodiment of the present invention, the internal Universal Serial Bus equipment include card reader,
Camera, touch apparatus and USB decoder.
On the other hand, the embodiment of the present invention additionally provides a kind of intelligent terminal, and the intelligent terminal includes chipset, outside
USB and at least one internal Universal Serial Bus equipment, the chipset connect provided with USB
Mouthful；The terminal also includes：Switching circuit, universal serial bus concentrator and control module, it is defeated that the switching circuit includes two
Enter end and two output ends, two input is connected with two USBs of the chipset respectively, and described two is defeated
Going out end, to connect the outside USB and the universal serial bus concentrator, the general serial respectively total
Line hub is connected with least one internal Universal Serial Bus equipment, and the control module controls with the switching circuit
End connection；
The control module, for detecting HDMI signal or button signal, and according to testing result
The switching circuit is controlled to connect the chipset and the outside USB and the USB
Hub, or connect the outside USB and used with the universal serial bus concentrator, the button signal
In the switching intelligent terminal pattern.
In a kind of implementation of the embodiment of the present invention, the switching circuit also include first switch, second switch and
3rd switch, the chipset is connected by the first switch and the second switch with two input respectively, described
Outside USB is connected by the described 3rd switch with the universal serial bus concentrator.
In another implementation of the embodiment of the present invention, the control module, the high-resolution is detected for working as
When degree multimedia interface signal or the intelligent terminal pattern are display mode, disconnect the first switch and described second and open
Close, connect the 3rd switch；
When being not detected by the HDMI signal or the intelligent terminal pattern is terminal pattern, connect
Lead to the first switch and the second switch, disconnect the 3rd switch.
In another implementation of the embodiment of the present invention, the internal Universal Serial Bus equipment include card reader,
Camera, touch apparatus and USB decoder.
In another implementation of the embodiment of the present invention, the terminal also includes display panel and scaler, described
Scaler is used for the resolution ratio that the HDMI signal pattern is adjusted to the suitable display panel and shown.
In another implementation of the embodiment of the present invention, the control module is the scaler.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
By the way that the input of switching circuit two is connected with two USBs of chipset respectively, switching circuit two
Output end connects outside USB and universal serial bus concentrator respectively, universal serial bus concentrator with
At least one internal Universal Serial Bus equipment connection, control module detection HDMI signal or intelligent terminal
Pattern, and chipset and outside USB and universal serial bus concentrator are connected according to testing result, or
Outside USB and universal serial bus concentrator are connected, due to can according to HDMI signal
To judge that the pattern of intelligent terminal is computer model or display mode, control module is according to the mould of Schema control USB interface
Formula, the pattern switching of USB interface was both realized, USB interface pattern and intelligent terminal pattern match can be controlled again so that intelligence
USB interface on TV and computer all-in-one machine is unlikely excessive, and both economy, was also convenient for operating.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation for the USB interface mode-changeover device that the embodiment of the present invention one provides；
Fig. 2 is the structural representation for the USB interface mode-changeover device that the embodiment of the present invention two provides；
Fig. 3 is the structural representation for the intelligent terminal that the embodiment of the present invention three provides.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
The embodiments of the invention provide a kind of USB interface mode-changeover device, applied in intelligent terminal, referring to Fig. 1, intelligence
Energy terminal includes chipset 11, external USB interface 12 and at least one internal USB device 13, chipset 11 and is provided with USB interface
14。
The device includes：Switching circuit 101, usb hub 102 and control module 103, it is defeated that switching circuit 101 includes two
Enter the output end 112 of end 111 and two, two inputs 111 are connected with two usb 1s 4 of chipset 11 respectively, and two output ends 112 are divided
Not Lian Jie external USB interface 12 and usb hub 102, usb hub 102 is connected with least one internal USB device 13,
Control module 103 is connected with the control terminal of switching circuit 101；
Control module 103, tied for detecting HDMI signal or intelligent terminal pattern, and according to detection
Fruit control switching circuit 101 connects chipset 11 and external USB interface 12 and usb hub 102, or connects external USB and connect
Mouth 12 and usb hub 102.
The embodiment of the present invention is by the way that the input of switching circuit two is connected with two USB interfaces of chipset respectively, switching electricity
The output end of road two connects external USB interface and usb hub respectively, and usb hub connects with least one internal USB device
Connect, control module detection HDMI signal or intelligent terminal pattern, and chipset is connected according to testing result
With external USB interface and usb hub, or external USB interface and usb hub are connected, due to according to the more matchmakers of fine definition
Body interface signal may determine that the pattern of intelligent terminal is computer model or display mode, and control module is according to Schema control
The pattern of USB interface, the pattern switching of USB interface was both realized, USB interface pattern and intelligent terminal pattern can be controlled again
Match somebody with somebody so that the USB interface on intelligent television and computer all-in-one machine is unlikely excessive, and both economy, was also convenient for operating.
Embodiment two
The embodiments of the invention provide a kind of USB interface mode-changeover device, applied in intelligent terminal, referring to Fig. 2, intelligence
Energy terminal includes chipset 21, external USB interface 22 and at least one internal USB device 23, chipset 21 and is provided with USB interface
24。
The device includes：Switching circuit 201, usb hub 202 and control module 203, it is defeated that switching circuit 201 includes two
Enter the output end 212 of end 211 and two, two inputs 211 are connected with two USB interfaces 24 of chipset 21 respectively, and two output ends 212 are divided
Not Lian Jie external USB interface 22 and usb hub 202, usb hub 202 is connected with least one internal USB device 23,
Control module 203 is connected with the control terminal of switching circuit 201；
Control module 203, tied for detecting HDMI signal or intelligent terminal pattern, and according to detection
Fruit control switching circuit 201 connects chipset 21 and external USB interface 22 and usb hub 202, or connects external USB and connect
Mouth 22 and usb hub 202.
Referring to Fig. 2, in the present embodiment, switching circuit 201 also includes first switch 221, second switch 222 and the 3rd is opened
223 are closed, an input 211 is connected by first switch 221 with an output end 212, and another input 211 passes through second
Switch 222 is connected with another output end 212, and two output ends 212 pass through the connection of the 3rd switch 223.
When first switch 221 and second switch 222 close, when the 3rd switch 223 disconnects, two USB interfaces 24 respectively with outside
Portion's USB interface 22 is connected with usb hub 202, and now external USB interface 22 is used as control terminal, can be with grafting USB device.When
First switch 221 and second switch 222 disconnect, and when the 3rd switch 223 closes, external USB interface 22 connects with usb hub 202
Logical, now external USB interface 22 is used as controlled end, can receive the control signal that other main frames are sent, for controlling internal USB
Equipment 23.
In other embodiments, the position of switch can also be changed, to reach identical effect, for example, by first switch
221 and second switch 222 be respectively arranged between two inputs 211 and chipset 21.
Further, control module 203, HDMI signal or intelligent terminal pattern are detected for working as
For display mode when, disconnect first switch 221 and second switch 222, connect the 3rd switch 223；
When being not detected by HDMI signal or intelligent terminal pattern is terminal pattern, connect first and open
221 and second switch 222 are closed, disconnects the 3rd switch 223.
It is readily apparent that, above-mentioned control module 203 can be connected with the control terminal of switching circuit 201, in a kind of implementation
In, the control terminal can be the chip of a tape handling function, and control module 203 sends control signal, control terminal to control terminal
Switched on-off according to control signal control first, second, and third；, can also be directly by control in another implementation
The control terminal of itself is connected module 203 with first, second, and third switch, to realize control function.In addition, intelligent terminal mould
Formula refers to user when using intelligent terminal, the switching carried out by button between display mode and terminal pattern, control
Module 203 can detect intelligent terminal pattern by control signal caused by detection button, and certain control module 203 can be with
Detect, repeat no more here by other means.
Specifically, internal USB device 23 includes card reader, camera, touch apparatus and USB decoders.USB decoders can be with
It is connected with equipment such as Microspeaker, microphones.
The embodiment of the present invention is by the way that the input of switching circuit two is connected with two USB interfaces of chipset respectively, switching electricity
The output end of road two connects external USB interface and usb hub respectively, and usb hub connects with least one internal USB device
Connect, control module detection HDMI signal or intelligent terminal pattern, and chipset is connected according to testing result
With external USB interface and usb hub, or external USB interface and usb hub are connected, due to according to the more matchmakers of fine definition
Body interface signal may determine that the pattern of intelligent terminal is computer model or display mode, and control module is according to Schema control
The pattern of USB interface, the pattern switching of USB interface was both realized, USB interface pattern and intelligent terminal pattern can be controlled again
Match somebody with somebody so that the USB interface on intelligent television and computer all-in-one machine is unlikely excessive, and both economy, was also convenient for operating.
Embodiment three
The embodiments of the invention provide a kind of intelligent terminal, and referring to Fig. 3, intelligent terminal includes chipset 301, external USB
Interface 302 and at least one internal USB device 303, chipset 301 are provided with USB interface 311；The terminal is also included as implemented
USB interface mode-changeover device 304 described in example one or two.
Further, the terminal also includes display panel 305 and scaler 306, and scaler 306 is used for fine definition is more
Media interface signal pattern is adjusted to the resolution ratio for being adapted to display panel 305 to show.I.e. display panel 305 passes through scaler 306
It is connected with chipset 301.
Preferably, control module is scaler 306.Because transmitted when there is HDMI signal to need to aobvious
When showing panel 305, scaler 306 can be passed through.
The embodiment of the present invention is by the way that the input of switching circuit two is connected with two USB interfaces of chipset respectively, switching electricity
The output end of road two connects external USB interface and usb hub respectively, and usb hub connects with least one internal USB device
Connect, control module detection HDMI signal or intelligent terminal pattern, and chipset is connected according to testing result
With external USB interface and usb hub, or external USB interface and usb hub are connected, due to according to the more matchmakers of fine definition
Body interface signal may determine that the pattern of intelligent terminal is computer model or display mode, and control module is according to Schema control
The pattern of USB interface, the pattern switching of USB interface was both realized, USB interface pattern and intelligent terminal pattern can be controlled again
Match somebody with somebody so that the USB interface on intelligent television and computer all-in-one machine is unlikely excessive, and both economy, was also convenient for operating.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of USB mode-changeover device, applied in intelligent terminal, the intelligent terminal includes chip
Group, outside USB and at least one internal Universal Serial Bus equipment, the chipset are provided with general string
Row bus interface；
Characterized in that, described device includes：Switching circuit, universal serial bus concentrator and control module, the switching electricity
Road includes two inputs and two output ends, and two input connects with two USBs of the chipset respectively
Connect, two output end connects the outside USB and the universal serial bus concentrator, institute respectively
Universal serial bus concentrator is stated to be connected with least one internal Universal Serial Bus equipment, the control module with it is described
Switching circuit control terminal connects；
The control module, for detecting HDMI signal or intelligent terminal pattern, and according to testing result
The switching circuit is controlled to connect the chipset and the outside USB and the USB
Hub, or connect the outside USB and the universal serial bus concentrator.
2. device according to claim 1, it is characterised in that the switching circuit also includes first switch, second switch
With the 3rd switch, an input is connected by the first switch with an output end, another described input
End is connected by the second switch with output end another described, and two output ends are connected by the described 3rd switch.
3. device according to claim 2, it is characterised in that the control module, the high-resolution is detected for working as
When degree multimedia interface signal or the intelligent terminal pattern are display mode, disconnect the first switch and described second and open
Close, connect the 3rd switch；
When being not detected by the HDMI signal or the intelligent terminal pattern is terminal pattern, institute is connected
First switch and the second switch are stated, disconnects the 3rd switch.
4. device according to claim 1, it is characterised in that the internal Universal Serial Bus equipment include card reader,
Camera, touch apparatus and USB decoder.
5. a kind of intelligent terminal, the intelligent terminal includes chipset, outside USB and at least one inside
Universal serial bus device, the chipset are provided with USB；Characterized in that, the terminal also includes：
Switching circuit, universal serial bus concentrator and control module, the switching circuit includes two inputs and two output ends, described
Two inputs are connected with two USBs of the chipset respectively, and two output end connects the outside respectively
USB and the universal serial bus concentrator, the universal serial bus concentrator and described at least one
Individual internal Universal Serial Bus equipment connection, the control module are connected with the switching circuit control terminal；
The control module, controlled for detecting HDMI signal or button signal, and according to testing result
The switching circuit connects the chipset and the outside USB and the USB line concentration
Device, or the outside USB and the universal serial bus concentrator are connected, the button signal is used to cut
Change intelligent terminal pattern.
6. terminal according to claim 5, it is characterised in that the switching circuit also includes first switch, second switch
With the 3rd switch, the chipset is connected by the first switch and the second switch with two input respectively, institute
Outside USB is stated to be connected with the universal serial bus concentrator by the described 3rd switch.
7. terminal according to claim 6, it is characterised in that the control module, the high-resolution is detected for working as
When degree multimedia interface signal or the intelligent terminal pattern are display mode, disconnect the first switch and described second and open
Close, connect the 3rd switch；
When being not detected by the HDMI signal or the intelligent terminal pattern is terminal pattern, institute is connected
First switch and the second switch are stated, disconnects the 3rd switch.
8. terminal according to claim 5, it is characterised in that the internal Universal Serial Bus equipment include card reader,
Camera, touch apparatus and USB decoder.
9. terminal according to claim 5, it is characterised in that the terminal also includes display panel and scaler, described
Scaler is used for the resolution ratio that the HDMI signal pattern is adjusted to the suitable display panel and shown.
10. terminal according to claim 9, it is characterised in that the control module is the scaler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099225.7A CN104932999B (en) | 2014-03-17 | 2014-03-17 | A kind of USB mode-changeover device and intelligent terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099225.7A CN104932999B (en) | 2014-03-17 | 2014-03-17 | A kind of USB mode-changeover device and intelligent terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104932999A CN104932999A (en) | 2015-09-23 |
| CN104932999B true CN104932999B (en) | 2018-02-27 |
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| CN201410099225.7A Active CN104932999B (en) | 2014-03-17 | 2014-03-17 | A kind of USB mode-changeover device and intelligent terminal |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105868138B (en) * | 2015-11-11 | 2018-12-21 | 恒大法拉第未来智能汽车（广东）有限公司 | USB interface automatic switching control equipment |
| CN106484645A (en) * | 2016-09-21 | 2017-03-08 | 乐视控股（北京）有限公司 | USB interface mode switching method, device and intelligent terminal |
| CN108170623B (en) * | 2017-12-29 | 2020-03-27 | 深圳市九洲电器有限公司 | USB switching circuit and switching system |
| CN111583621B (en) * | 2019-02-19 | 2021-11-05 | 聪泰科技开发股份有限公司 | Remote control method |
| CN112292672A (en) * | 2019-11-05 | 2021-01-29 | 深圳市大疆创新科技有限公司 | Switching control method, electronic equipment and computer readable storage medium |
| CN113495859A (en) * | 2020-03-18 | 2021-10-12 | 合肥杰发科技有限公司 | Communication system and electronic equipment |
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| CN104932999A (en) | 2015-09-23 |
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