CN207516993U - A kind of Interface Expanding circuit and device - Google Patents
A kind of Interface Expanding circuit and device Download PDFInfo
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- CN207516993U CN207516993U CN201721148019.6U CN201721148019U CN207516993U CN 207516993 U CN207516993 U CN 207516993U CN 201721148019 U CN201721148019 U CN 201721148019U CN 207516993 U CN207516993 U CN 207516993U
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Abstract
The utility model belongs to electronic circuit technology field, provides a kind of Interface Expanding circuit, and the circuit includes：Type C plugs, control unit, vision signal extended chip, the first video module, the second video module, audio-frequency module, USB module and power module；Described control unit, the vision signal extended chip, power module are connect with the Type C plugs, first video module is connect with second video module with the vision signal extended chip, and the audio-frequency module and the USB output modules are connect with described control unit.The circuit integrated USB interface of above-mentioned Interface Expanding and vision signal conversion, two kinds of vision signals of compatible with VGA and HDMI are more convenient to use and easy to carry, while use USBType C plugs, have the advantages of transmission speed is fast, front-back two-sided insertion.
Description
Technical field
The utility model belongs to electronic circuit technology field more particularly to a kind of Interface Expanding circuit and device.
Background technology
With popularizing for terminal (such as mobile phone, tablet computer, computer etc.), terminal has become people's life or work
In indispensable equipment.
In order to realize the wired connection of terminal and other equipment, data-interface is provided in existing terminal, for example, earphone
Interface, USB interface or Type-C interfaces, but since the size of terminal is limited, the quantity of the data-interface provided is also few,
And the position of setting is more compact, and the interface between different terminals cannot be compatible, it is impossible to meet different terminal equipment it
Between information exchange demand, cause terminal interface utilization rate low.
Utility model content
The purpose of this utility model is to provide a kind of Interface Expanding circuit and devices, it is intended to solve traditional technical solution
Present in terminal interface utilization rate it is low the problem of.
A kind of Interface Expanding circuit, the circuit include：Type-C plugs, control unit, vision signal extended chip,
One video module, the second video module, audio-frequency module, USB module and power module；Described control unit, the vision signal
Extended chip, power module are connect with the Type-C plugs, and first video module and second video module are equal
It is connect with the vision signal extended chip, the audio-frequency module and the USB output modules are connect with described control unit.
Further, described control unit includes main control chip and HUB chips；The main control chip is believed respectively with the video
Number extended chip, the audio-frequency module, the HUB chips are connected with the Type-C plugs, the HUB chips respectively with it is described
Type-C plugs are connected with the USB module.
Further, first video module includes the first conversion chip and USB interface, the first conversion chip difference
It is connect with the vision signal extended chip and the USB interface, the first video that the vision signal extended chip is exported
Signal is converted to VGA signals.
Further, second video module includes the first conversion chip and HDMI interface, second conversion chip point
It is not connect with the vision signal extended chip and the HDMI interface, the second of vision signal extended chip output is regarded
Frequency signal is converted to HDMI signals.
Further, the USB module includes USB3.0 interfaces and Type-C interfaces.
Further, the audio-frequency module includes audio converter and audio interface, and the audio converter connects institute respectively
State control unit and the audio interface.
Further, charging module is further included, the charging module is connected between the Type-C plugs and USB modules,
For charging to host.
Further, the power module includes Boost boost modules and DC-DC module, and Boost boost modules are by Type-C
The voltage of the power end output of plug carries out boosting processing, then the work electricity of other modules in circuit is converted to by DC-DC module
Pressure, voltage is provided for other modules in circuit.
In addition, additionally provide a kind of interface extending device, which is characterized in that the Interface Extender includes housing and is set on
Above-mentioned Interface Expanding circuit in the housing.
The circuit integrated USB interface of above-mentioned Interface Expanding and vision signal conversion, compatible with VGA and HDMI two kinds of videos
Signal, it is more convenient to use and easy to carry, while USB Type-C plugs are used, and it is fast with transmission speed, it is positive and negative double
The advantages of face is inserted into.
Description of the drawings
Fig. 1 is the structure diagram that one embodiment of the utility model provides；
Fig. 2 is the structure diagram that another embodiment of the utility model provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the structure diagram for the Interface Expanding circuit that the utility model preferred embodiment provides, for the ease of
Illustrate, illustrate only part related to the present embodiment, details are as follows：
A kind of Interface Expanding circuit, circuit include Type-C plugs 10, control unit 20, vision signal extended chip 30,
First video module 40, the second video module 50, audio-frequency module 70, USB module 60 and power module 80.
Type-C plugs 10 connect to be connect respectively with control unit 20, vision signal extended chip 30, power module 80,
The Type-C plugs 10 with host side for connecting, with main-machine communication.
Control unit 20 includes main control chip 21 and HUB chips 22；Main control chip 21 respectively with vision signal extended chip
30th, audio-frequency module 70, HUB chips 22 and Type-C plugs 10 connect, HUB chips 22 respectively with Type-C plugs 10 and USB moulds
Block 60 connects.Vision signal extended chip 30 is used for the vision signal received from Type-C plugs and and cuts the vision signal
It is changed to the first vision signal and the second vision signal two-way Display port signals, the first vision signal and the second vision signal
It is exported respectively to the first video module 40 and the second video screen module.Specifically, the first video module 40 and the second video module 50 are
Connect with vision signal extended chip 30, the first video module 40 include the first conversion chip 41 and VGA interfaces 42, first turn
It changes chip 41 to connect with vision signal extended chip 30 and USB interface 42 respectively, that vision signal extended chip 30 is exported
Two vision signals are converted to VGA signals, and pass through VGA interfaces 42 and export.Second video module 50 includes the second conversion chip 50
With HDMI interface 52, the second conversion chip 50 connect with vision signal extended chip 30 and HDMI interface 52, video is believed respectively
The second vision signal that number extended chip 30 exports is converted to HDMI signals, and pass through HDMI interface 52 and export.
HUB chips 22 are connect with main control chip 21 and Type-C plugs 10, and Type- is received under the control of main control chip 21
The usb signal of C plugs 10, and the usb signal is exported to USB module 60.USB module 60 includes 61 He of USB3.0 interfaces
Type-C interfaces 62, wherein, USB3.0 interfaces 61 are connect with HUB chips 22, are received the usb signal of 22 output of HUB chips, are connect
The usb signal of 22 output of HUB chips is received, on the other hand, Type-C interfaces 62 are also connect with power module 80, pass through Type-C
Interface 62 is other module for power supply in circuit, meanwhile, power end of the power module 80 also with Type-C plugs 10 is connect, when
When Type-C interfaces 62 can not provide power supply, host is provided by other modules of the power end of Type-C plugs 10 into circuit
Required power supply.Specifically, power module 80 includes Boost boost modules and DC-DC module, Boost boost modules will
The voltage of the power end output of Type-C plugs 10 carries out boosting processing, then be converted to other modules in circuit by DC-DC module
Operating voltage, provide voltage for other modules in circuit.Wherein, the control terminal of Boost boost modules connects with main control chip 21
It connects, the boosting of control signal control Boost boost modules is transmitted by main controller.
Further, Type-C interfaces 62 and Type-C plugs 10 are held by respective CC ports with main control chip 21
Hand protocol communication, Interface Expanding circuit further include charging module 90, which is connected to 62 He of Type-C interfaces
Between Type-C plugs 10, which charges to host under the control of main control chip 21.
Audio-frequency module 70 is connect with control unit 20, and audio-frequency module 70 includes audio converter 71 and audio interface 72, sound
Frequency converter 71 connects control unit 20 and audio interface 72 respectively, specifically, audio converter 71 is connect with HUB chips 22,
The digital audio and video signals that HUB chips 22 export are converted into analog audio signal, and passes through audio interface 72 and exports.In this implementation
In example, audio converter 71 is preferably CM119B chips.
Further, the utility model additionally provides a kind of interface extending device, and the Interface Extender includes housing and sets
In the above-mentioned Interface Expanding circuit in the housing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of Interface Expanding circuit, which is characterized in that the circuit includes：Type-C plugs, control unit, vision signal expand
Open up chip, the first video module, the second video module, audio-frequency module, USB module and power module；It is described control unit, described
Vision signal extended chip, power module are connect with the Type-C plugs, and first video module is regarded with described second
Frequency module is connect with the vision signal extended chip, the audio-frequency module and the USB output modules with the control
Unit connects.
2. Interface Expanding circuit as described in claim 1, which is characterized in that described control unit includes main control chip and HUB
Chip；The main control chip respectively with the vision signal extended chip, the audio-frequency module, HUB chips and described
Type-C plugs connect, and the HUB chips are connect respectively with the Type-C plugs and the USB module.
3. Interface Expanding circuit as described in claim 1, which is characterized in that first video module includes the first conversion core
Piece and USB interface, first conversion chip are connect respectively with the vision signal extended chip and the USB interface, by institute
The first vision signal for stating the output of vision signal extended chip is converted to VGA signals.
4. Interface Expanding circuit as described in claim 1, which is characterized in that second video module includes the second conversion core
Piece and HDMI interface, second conversion chip are connect respectively with the vision signal extended chip and the HDMI interface, will
Second vision signal of the vision signal extended chip output is converted to HDMI signals.
5. Interface Expanding circuit as described in claim 1, which is characterized in that the USB module include USB3.0 interfaces and
Type-C interfaces.
6. Interface Expanding circuit as described in claim 1, which is characterized in that the audio-frequency module includes audio converter and sound
Frequency interface, the audio converter connect described control unit and the audio interface respectively.
7. Interface Expanding circuit as described in claim 1, which is characterized in that further include charging module, the charging module connects
It is connected between the Type-C plugs and USB module, for charging to host.
8. Interface Expanding circuit as described in claim 1, which is characterized in that the power module includes Boost boost modules
And the voltage that the power end of Type-C plugs exports is carried out boosting processing, then by DC-DC by DC-DC module, Boost boost modules
Module is converted to the operating voltage of other modules in circuit, and voltage is provided for other modules in circuit.
9. a kind of Interface Extender, which is characterized in that the Interface Extender include housing and in the housing as power
Profit requires 1 to 8 any one of them Interface Expanding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148019.6U CN207516993U (en) | 2017-09-06 | 2017-09-06 | A kind of Interface Expanding circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148019.6U CN207516993U (en) | 2017-09-06 | 2017-09-06 | A kind of Interface Expanding circuit and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516993U true CN207516993U (en) | 2018-06-19 |
Family
ID=62533257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721148019.6U Active CN207516993U (en) | 2017-09-06 | 2017-09-06 | A kind of Interface Expanding circuit and device |
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| Country | Link |
|---|---|
| CN (1) | CN207516993U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109240419A (en) * | 2018-09-05 | 2019-01-18 | 惠州市和宏电线电缆有限公司 | A kind of multi-functional expansion depressed place |
| CN110139054A (en) * | 2019-05-23 | 2019-08-16 | 深圳市显盈科技股份有限公司 | A kind of conversion circuit and multi-functional data communication system of multi-functional data interface |
| WO2023024014A1 (en) * | 2021-08-26 | 2023-03-02 | 深圳市显盈科技股份有限公司 | Docking station |
-
2017
- 2017-09-06 CN CN201721148019.6U patent/CN207516993U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109240419A (en) * | 2018-09-05 | 2019-01-18 | 惠州市和宏电线电缆有限公司 | A kind of multi-functional expansion depressed place |
| CN109240419B (en) * | 2018-09-05 | 2020-12-18 | 惠州市和宏电线电缆有限公司 | Multifunctional docking station |
| CN110139054A (en) * | 2019-05-23 | 2019-08-16 | 深圳市显盈科技股份有限公司 | A kind of conversion circuit and multi-functional data communication system of multi-functional data interface |
| CN110139054B (en) * | 2019-05-23 | 2024-04-12 | 深圳市显盈科技股份有限公司 | Conversion circuit of multifunctional data interface and multifunctional data communication system |
| WO2023024014A1 (en) * | 2021-08-26 | 2023-03-02 | 深圳市显盈科技股份有限公司 | Docking station |
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Address after: Room 101, building 7, Jiada Industrial Park, west side of Honghu East Road, Yanchuan community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: FULLINK TECHNOLOGY Co.,Ltd. Address before: Jincheng Street 518000 Shenzhen Road, Guangdong province Baoan District manhole No. 2070 Shi Xia Hong Kong Industrial Zone B building 3-5 layer Patentee before: FULLINK TECHNOLOGY Co.,Ltd. |
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