CN208013944U - USB multiplex circuits and multimedia all-in-one machine - Google Patents
USB multiplex circuits and multimedia all-in-one machine Download PDFInfo
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- CN208013944U CN208013944U CN201820102214.3U CN201820102214U CN208013944U CN 208013944 U CN208013944 U CN 208013944U CN 201820102214 U CN201820102214 U CN 201820102214U CN 208013944 U CN208013944 U CN 208013944U
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Abstract
The utility model discloses a kind of USB multiplex circuits and multimedia all-in-one machines.Disclosed USB multiplex circuits are used in multimedia all-in-one machine, include having the USB set wire module of equipment usb signal by oneself for integrating external equipment usb signal and multimedia all-in-one machine, further include connect with USB set wire module and operation signal sources traffic, and according to control by after integration signal communication or switch to respective operations signal source USB switch switch module.Disclosed multimedia all-in-one machine includes USB multiplex circuits, own equipment and control module above-mentioned.The shared effect of the external equipment between the multiple operation signal sources of multimedia all-in-one machine may be implemented in the utility model, can promote the property easy to use of multimedia all-in-one machine, has good usage experience.
Description
Technical field
The utility model is related to multimedia interactive equipment fields, and in particular to a kind of USB multiplex circuits and multimedia one
Machine.
Background technology
Touch multimedia all-in-one machine not only increases the efficiency and quality of teaching, interaction, again due to having both multiple functions
Have many advantages, such as that space is small, easy to use, therefore is transported extensively in fields such as multimedia teaching, teleconference interactions
With.
Touch multimedia all-in-one machine in the prior art usually requires access 2 or above type of in use
Operation signal source (such as Android system, built-in OPS computers and external computer etc.), in use can be as needed in difference
Operation signal source between switch.
As shown in Figure 1, correspondingly, the control module of multimedia all-in-one machine can will derive from touch-control mould by USB switch
Block is simultaneously switched using the touching signals of USB interface transmission between different operation signal sources.Since circumscribed USB equipment is connection
Circumscribed USB equipment onto respective operation signal source, therefore between different operation signal source can not share.Such as it is currently used
Operation signal source be Android system when, can use its connection circumscribed USB equipment 1 such as USB flash disk or camera.Although built-in
It is connected with circumscribed USB equipment 2 on OPS computers, but on Android system and these USB devices 2 can not be operated, it is necessary to believe operation
Number source switches to built-in OPS computers, or USB device 2 is connected on Android system, just usable USB device 2.Similarly,
When currently used operation signal source is built-in OPS computers, the USB device 1 or external that can not also use Android system to connect
The USB device 3 of computer connection.
Utility model content
The utility model provides a kind of USB multiplex circuits and multimedia all-in-one machine, by using the USB multiplex circuits and more
Media all-in-one machine can solve the problems, such as that the external equipment between multiple operation signal sources in the prior art can not be shared, Ke Yiti
The property easy to use of multimedia all-in-one machine is risen, there is good usage experience.
USB multiplex circuits provided by the utility model are used in multimedia all-in-one machine, including are used for external equipment USB
The usb signal that signal and multimedia all-in-one machine have equipment by oneself is integrated into the USB set wire modules of USB integrated signals, further includes and USB
Hub module and the connection of operation signal sources traffic, and according to the control module of multimedia all-in-one machine USB integrated signals are connected to or
Switch to the USB switching switch modules of respective operations signal source.
Multimedia all-in-one machine provided by the utility model includes control module, own equipment and above-mentioned USB multiplexing electricity
Road, USB multiplex circuits are used to the usb signal of external equipment usb signal and own equipment being integrated into USB integrated signals, also use
In being connected to or switch to corresponding operation signal source by USB integrated signals according to control module.
It is some concepts introduced in simplified form in the following detailed description to provide the utility model content.This practicality is new
Type content is not intended to identify the key features or essential features of theme claimed, is intended to be used to required by limitation
The range of the theme of protection.
Description of the drawings
Fig. 1 is the functional block diagram of prior art multimedia all-in-one machine；
Fig. 2 is the functional block diagram of one embodiment multimedia all-in-one machine of the utility model；
Fig. 3 is the functional block diagram of one embodiment USB multiplex circuits of the utility model；
Fig. 4 is the circuit diagram of another embodiment of the utility model USB multiplex circuits.
Specific implementation mode
USB multiplex circuits and multimedia all-in-one machine provided by the utility model have the USB of equipment by oneself by integrating all-in-one machine
The usb signal of signal and external equipment, to realize the effect that can share inside and outside portion's USB device between different operation signal source
Fruit.
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
One embodiment multimedia all-in-one machine 1 of utility model as shown in Figure 2, multimedia all-in-one machine 1 include USB multiplex circuits
10, control module 20 and own equipment 30, own equipment 30 are connected to USB multiplex circuits 10 by USB, and control module 20 is controlled
USB multiplex circuits 10 processed.
The quantity of own equipment 30 can be one or more, have equipment 30 by oneself and use USB transmission signal.Specifically,
Own equipment 30 may include touch-control module, NFC module, fingerprint identification module and face recognition module etc., can also be logical
Cross the storage device such as USB flash disk, mobile hard disk etc. that USB interface is connected on multimedia all-in-one machine 1.
Refering to the functional block diagram of the embodiment USB multiplex circuits 10 shown in Fig. 3, USB multiplex circuits 10 include USB set
Wire module 100 and USB switch switch module 200, and USB set wire module 100 and USB switching switch modules 200 communicate to connect.
USB set wire module 100 is used to the usb signal of external equipment usb signal and own equipment 30 being integrated into USB and integrate
Signal.External equipment usb signal is either one or more.
USB switches switch module 200 other than being communicated to connect with USB set wire module 100, also with Android system, built-in
The operation signals sources traffic such as OPS computers and external computer connects.
In a particular embodiment, USB set wire module 100 connects different operation signal source the first USB device,
The signal of two USB devices and third USB device is integrated into USB integrated signals together with the usb signal of own EM equipment module 30.When
When the control module 20 of multimedia all-in-one machine 1 controls 10 connection of USB multiplex circuits or handover operation signal source, USB switching switches
The USB integrated signals that USB set wire module 100 is integrated can be connected to or be switched to corresponding operation signal by module 200 according to control
Source.
The control module 20 of multimedia all-in-one machine 1 uses conventional prior with own EM equipment module 30.Control module 20
Can be that MCU (Micro Controller Unit) matches and corresponding functional circuit.In other embodiments, it can also adopt
The function of correlation module is realized with the mode of other hardware or software and hardware combining.
Refering to the circuit diagram of the embodiment USB multiplex circuits 10 shown in Fig. 4, USB set wire module 100 uses model in figure
The USB set core piece of FE1.1S, and the signal for integrating external equipment USB interface 410 and own equipment USB interface 420.
USB switches switch module 200 and switches switch chip using the USB of model FSUSB74UMX, respectively with USB set wire module 100,
Android system USB interface 430, OPS computer USB interfaces 440, PC1USB interfaces 450 and PC2USB interfaces 460 connect.USB interface
410 and own EM equipment module USB interface 420 can be more interfaces, and external signal source be not limited in it is listed above
Interface, can be more or less.Likewise, USB set wire module 100 and USB switching switch modules 200 can also be according to connecing
Number of chips used by the increase of how much adaptability of mouth.
External equipment USB interface 410 is the interface being arranged in the equipment of different operation signal source, for connecting external set
Standby, external equipment USB interface 410 can be many, simply illustrate in the present embodiment for one.Android system USB connects
Mouth 430, OPS computer USB interfaces 440, PC1USB interfaces 450 and PC2USB interfaces 460 are that different operation signal source and USB switch
The interface of switch module 200.
In a particular embodiment, the USB set core piece in USB set wire module 100 is by external equipment USB interface 410
Differential signal D+/D- and the differential signal D+/D- of own equipment USB interface 420 be integrated into USB difference letter new all the way
Number.The output signal D+/D- after integration is sent to USB switching switches by USB set core piece by USBP and USBN pins simultaneously
In the USB switching switch chips of module 200.
When control module 20 controls connection or handover operation signal source, USB switches SEL1, SEL2 of switch module 200
Gated end will send signal 00/01/10/11 and select the channel that switch or be connected to, pass through USB set wire module 100 in this way
Signal after integration will be switched to corresponding channel, complete the connection for having equipment usb signal and operation signal source by oneself, and outer
Connect the shared of equipment.
In conclusion the utility model USB multiplex circuits and multimedia all-in-one machine, by the way that different operation signal will be connected to
The signal integration of external equipment on source, external equipment can not share between can overcoming different operation signal source in the prior art
The problem of, the usb signal of own equipment is also incorporated on basis herein so that multimedia all-in-one machine is in handover operation signal source
When can be simple and convenient completion have the signal switching of equipment and external USB device shared simultaneously by oneself, it is not necessary in multiple operations
Circumscribed USB equipment is frequently replaced between signal source, and there is good using effect and experience.
It should be understood that preferred embodiment above is only to illustrate the technical solution of the utility model, rather than to limit
It is fixed, it will be understood by those skilled in the art that can modify to the technical solution recorded in above preferred embodiment, or to it
Middle some technical characteristics carry out equivalent replacement；And all such modifications and replacement, it should all belong to right appended by the utility model and want
The protection domain asked.
Claims (9)
1. a kind of USB multiplex circuits, in multimedia all-in-one machine, which is characterized in that the USB multiplex circuits include：
USB set wire module, for integrating the own equipment usb signal of external equipment usb signal and the multimedia all-in-one machine
For USB integrated signals；
USB switches switch module, is connect with the USB set wire module and operation signal sources traffic, according to multimedia one
The USB integrated signals are connected to or are switched to the corresponding operation signal source by the control module of machine.
2. USB multiplex circuits as described in claim 1, which is characterized in that the external equipment usb signal and described have by oneself set
Standby usb signal is one or more.
3. USB multiplex circuits as claimed in claim 1 or 2, which is characterized in that the operation signal source is Android system, interior
It sets OPS computers or external computer is one such or a variety of.
4. USB multiplex circuits as claimed in claim 1 or 2, which is characterized in that the USB set wire module is including one or more
The USB set core piece of multiple model FE1.1S.
5. USB multiplex circuits as claimed in claim 1 or 2, which is characterized in that the USB switchings switch module includes one
Or more model FSUSB74UMX USB switch switch chip.
6. a kind of multimedia all-in-one machine, including control module and own equipment, which is characterized in that further include USB multiplex circuits, institute
Stating USB multiplex circuits includes：USB set wire module, for external equipment usb signal and own equipment usb signal to be integrated into USB
Integrated signal；USB switches switch module, is connect with the USB set wire module and operation signal sources traffic, according to the control mould
The USB integrated signals are connected to or are switched to the corresponding operation signal source by block.
7. multimedia all-in-one machine as claimed in claim 6, which is characterized in that the external equipment usb signal and described own
Equipment usb signal is one or more.
8. multimedia all-in-one machine as claimed in claims 6 or 7, which is characterized in that the operation signal source is Android system, interior
It sets OPS computers or external computer is one such or a variety of.
9. multimedia all-in-one machine as claimed in claim 7, which is characterized in that the USB set wire module includes model
The USB set core piece of FE1.1S, the USB switchings switch module include the USB switching switch chips of model FSUSB74UMX.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820102214.3U CN208013944U (en) | 2018-01-22 | 2018-01-22 | USB multiplex circuits and multimedia all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820102214.3U CN208013944U (en) | 2018-01-22 | 2018-01-22 | USB multiplex circuits and multimedia all-in-one machine |
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| Publication Number | Publication Date |
|---|---|
| CN208013944U true CN208013944U (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820102214.3U Active CN208013944U (en) | 2018-01-22 | 2018-01-22 | USB multiplex circuits and multimedia all-in-one machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142953A (en) * | 2019-12-27 | 2020-05-12 | 深圳市创维群欣安防科技股份有限公司 | External equipment switching circuit and conference tablet |
| CN111597131A (en) * | 2020-04-21 | 2020-08-28 | 广东天波信息技术股份有限公司 | USB multiplexing circuit |
| CN113311933A (en) * | 2021-05-24 | 2021-08-27 | 杭州楷知科技有限公司 | Equipment peripheral setting method and device of large-screen intelligent equipment and large-screen intelligent equipment |
-
2018
- 2018-01-22 CN CN201820102214.3U patent/CN208013944U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142953A (en) * | 2019-12-27 | 2020-05-12 | 深圳市创维群欣安防科技股份有限公司 | External equipment switching circuit and conference tablet |
| CN111597131A (en) * | 2020-04-21 | 2020-08-28 | 广东天波信息技术股份有限公司 | USB multiplexing circuit |
| CN113311933A (en) * | 2021-05-24 | 2021-08-27 | 杭州楷知科技有限公司 | Equipment peripheral setting method and device of large-screen intelligent equipment and large-screen intelligent equipment |
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