CN213338663U - Multi-video source switching device - Google Patents
Multi-video source switching device Download PDFInfo
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- CN213338663U CN213338663U CN202022698224.8U CN202022698224U CN213338663U CN 213338663 U CN213338663 U CN 213338663U CN 202022698224 U CN202022698224 U CN 202022698224U CN 213338663 U CN213338663 U CN 213338663U
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Abstract
A multi-video source switching device comprises at least two groups of video source connecting ends, a multi-video switching circuit and a group of peripheral connecting ends. Each group of video source connecting ends comprises at least one video input interface for inputting a video source signal. The multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends. The peripheral connecting end comprises at least one video output interface for outputting video source signals input by the video input interface which is connected by the multi-video switching circuit. Wherein, the video input interfaces of at least two groups of video source connecting ends have different interface types. Because the video interface types of at least two groups of video source connecting ends are different, the multi-video source switching device supports video sources connected with various different video output interfaces, and the compatibility of the multi-video source switching device is improved.
Description
Technical Field
The utility model relates to a many video sources show technical field, concretely relates to many video sources auto-change over device.
Background
The most typical application of the multi-Video source switching device is a KVM (Keyboard Video Mouse) switch, which is capable of accessing and controlling a computer by directly connecting a Keyboard Video port and a Mouse port. The method and the device realize that one of the signals is selected from the multiple signals to be sent out, and simultaneously, the selected signal can be controlled by using one set of keyboard and mouse, namely, one display and one set of mouse and keyboard can control a plurality of computers in a time-sharing manner. The video input and output interfaces of the traditional KVM are single VGA interfaces or HDMI interfaces, only one of multiple types of single interfaces is supported for switching, and with the rapid development of computer video hardware interface technology, only the switching of the single type of interface is supported so as not to meet the actual market requirements.
Disclosure of Invention
The present invention mainly solves the technical problem that the video input interface of the KVM switch is single and can not meet the requirement of the diversification of the video input interface.
In a first aspect, an embodiment provides a multi-video source switching device, including at least two sets of video source connection terminals, a multi-video switching circuit, and a set of peripheral connection terminals; each group of video source connecting ends comprises at least one video input interface for inputting a video source signal; the multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends; the peripheral connecting end comprises at least one video output interface for outputting the video source signal input by the video input interface which is connected by the multi-video switching circuit; wherein, the video input interfaces of at least two groups of video source connecting ends have different interface types.
In one embodiment, the interface types of the video input interface include an HDMI interface, a DP interface, a VGA interface, a thunderbolt interface, a DVI interface, and a type-c interface.
In one embodiment, the video input interface of at least one set of said video source connection terminals comprises a type-c interface.
In one embodiment, the interface types of the video output interface include an HDMI interface, a DP interface, a VGA interface, a DVI interface, and a type-c interface; at least one group of the video source connecting ends also comprises a video interface conversion circuit which is connected between the video input interface and the multi-video switching circuit; the video interface conversion circuit is used for converting a video source signal input by the video input interface into a video signal which is output according to the interface type of the video output interface.
In one embodiment, the peripheral connection end further comprises at least one USB device connection interface; each group of video source connecting ends also comprises at least one USB data transmission interface, and the USB data transmission interface is used for being connected with a signal output device for outputting the video source signals; the multi-video source switching device also comprises a USB switching circuit which is used for connecting the USB data transmission interface of the video source connecting end with the USB equipment connecting interface of the peripheral connecting end.
In an embodiment, the video signal processing device further includes a switching controller connected to the multi-video source switching circuit and configured to select a group of the video source connection terminals to establish connection with the peripheral connection terminal.
In a second aspect, an embodiment provides a multi-video source switching device, including at least two sets of video source connection terminals, a multi-video source switching circuit, and a set of peripheral connection terminals;
each group of video source connecting ends comprises at least two video input interfaces for inputting a video source signal;
the multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends;
the peripheral connecting end comprises at least one video output interface for outputting the video source signal input by the video input interface which is connected by the multi-video switching circuit;
the video input interfaces of at least one group of video source connecting ends comprise at least two different interface types; the interface type of the video input interface comprises an HDMI interface, a DP interface, a VGA interface, a thunder interface, a DVI interface and a type-c interface.
In one embodiment, the interface types of the video output interface include an HDMI interface, a DP interface, a VGA interface, a DVI interface, and a type-c interface;
at least one group of the video source connecting ends also comprises a video interface conversion circuit which is connected between the video input interface and the multi-video switching circuit; the video interface conversion circuit is used for converting the video source signal input by the video input interface into the video signal which is output according with the interface type of the video output interface.
In a third aspect, an embodiment provides a multi-video source switching device, including at least two sets of video source connection terminals, a multi-video source switching circuit, and a set of peripheral connection terminals;
each group of video source connecting ends comprises at least one video input interface for inputting a video source signal;
the multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends;
the peripheral connecting end comprises at least one video output interface for outputting the video source signal input by the video input interface which is connected by the multi-video switching circuit;
the interface type of the video input interface comprises a lightning interface and a type-c interface;
the video output interface comprises an HDMI (high-definition multimedia interface), a VGA (video graphics array) interface, a DP (data processing) interface, a DVI (digital video interface) and a type-c interface;
the peripheral connecting end also comprises at least one USB equipment connecting interface;
the multi-video source switching device also comprises a USB switching circuit which is respectively connected with the video input interface of each group of video source connecting ends and the USB equipment connecting interface of the peripheral connecting end;
the USB switching circuit is used for synchronously selecting a video input interface of a group of video source connecting ends to be connected with a USB equipment connecting interface of the peripheral connecting end with the multi-video switching circuit.
In one embodiment, the power supply of the multi-video source switching device is provided by the video input interface.
According to the multi-video source switching device of the embodiment, as the video interface types of at least two groups of video source connecting ends are different, the multi-video source switching device supports video sources connected with various different video output interfaces, and the compatibility of the multi-video source switching device is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a KVM connection;
FIG. 2 is a schematic diagram illustrating a connection structure of a switching device for multiple video sources according to an embodiment;
FIG. 3 is a schematic diagram illustrating a connection structure of a switching device for multiple video sources according to an embodiment;
FIG. 4 is a schematic diagram illustrating a connection structure of a switching apparatus for multiple video sources according to another embodiment;
FIG. 5 is a schematic diagram illustrating a connection structure of a switching apparatus for multiple video sources according to another embodiment;
FIG. 6 is a schematic diagram illustrating a connection structure of a switching apparatus for multiple video sources according to another embodiment.
Detailed Description
The invention will be described in further detail below with reference to specific embodiments for typical applications and with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
The video input and output interface of the KVM in the early stage only comprises a VGA interface, the selection switching mode of signals is purely mechanical, and the electronic switch is gradually used in the later stage to replace mechanical operation. With the development of PC technology, computers are becoming more and more popular and updated, for example, DVI interfaces are becoming more and more popular and are being replaced by HDMI interfaces, and then type-c interfaces, DP interfaces, mini DP interfaces (lightning interfaces) and the like are appearing. However, the KVM on the market only supports one video interface type, for example, the KVM of the VGA is VGA interface, and the KVM of the HDMI interface supports the HDMI interface. However, in the present stage, many KVM applications need to satisfy diversified requirements, for example, the display output end needs to have multiple video output interfaces to be adapted to the new display device interface, and the video input interface connected to the multiple display input ends also needs to be adapted to multiple video connection interfaces, so as to improve the compatibility of the KVM.
Referring to fig. 1, a schematic diagram of a KVM in an embodiment is shown, where the KVM includes a plurality of computer input interfaces, a display output interface and a plurality of USB interface connection terminals, each of the plurality of input terminals is used for connecting with a video output terminal of a computer and a USB interface of the computer, one of the plurality of display output terminals is used for connecting with a display, and the plurality of USB interface connection terminals are used for connecting with external USB devices, such as a mouse, a keyboard or a storage device. The KVM is used for selecting one group of computer input interfaces from the plurality of groups of input interfaces to be connected with the display output end and the plurality of USB interfaces. In practical application, a user can control a plurality of signal sources by using one display device and one set of keyboard and mouse. For example, a company network manager needs to operate and manage a plurality of servers, and can complete the operation only by needing a plurality of display devices and a plurality of sets of keyboards and mice originally. The connection mode of other input interfaces is the same. The output port is connected with an HDMI display device which can be a display or a television, and the USB of the output port is connected with a USB keyboard and mouse. When the signal source selects a certain host, the keyboard and the mouse can be synchronously connected with the host, and the host can be operated through the keyboard and the mouse. When the user gives an instruction for switching the signal source, the keyboard and the mouse at the output end and the display device can display the picture of the other device, and the other device can be operated.
In the embodiment of the invention, the invention discloses a multi-video source switching device which comprises at least two groups of video source connecting ends, a multi-video switching circuit and a group of peripheral connecting ends. Each group of video source connecting ends comprises at least one video input interface for inputting a video source signal. The multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends. The peripheral connecting end comprises at least one video output interface for outputting video source signals input by the video input interface which is connected by the multi-video switching circuit. Wherein, the video input interfaces of at least two groups of video source connecting ends have different interface types. Because the video interface types of at least two groups of video source connecting ends are different, the multi-video source switching device supports video sources connected with various different video output interfaces, and the compatibility of the multi-video source switching device is improved.
The first embodiment is as follows:
referring to fig. 2, a schematic diagram of a multi-video source switching device according to an embodiment of the invention is shown, the multi-video source switching device includes at least two video source connection terminals 1, a multi-video switching circuit 2, and a set of peripheral connection terminals 3. Each set of video source connection terminals 1 comprises at least one video input interface 11 for the input of a video source signal. The multi-video switching circuit establishes connection between a group of video source connecting ends 1 and the peripheral connecting end 3. The peripheral connection terminal 3 includes at least one video output interface 31 for outputting a video source signal inputted through the video input interface 11 to which the multi-video switching circuit 2 is connected. Wherein, the interface types of the video input interfaces 11 of at least two groups of video source connecting ends 1 are different. The interface types of the video input interface 11 include an HDMI interface, a DP interface, a VGA interface, a lightning interface, a DVI interface, and a type-c interface. In one embodiment, the video input interface 11 of at least one video source connection terminal 1 of the multi-video source switching device comprises a type-c interface, and in one embodiment, the power supply of the multi-video source switching device is provided by the type-c interface. In one embodiment, the interface types of the video output interface 31 include an HDMI interface, a DP interface, a VGA interface, a DVI interface, and a type-c interface.
Referring to fig. 3, a schematic diagram of a structure connection of the multi-video source switching apparatus in an embodiment is shown, in an embodiment, at least one group of video source connection terminals 1 further includes a video interface conversion circuit 12 connected between the video input interface 11 and the multi-video switching circuit 2, and the video interface conversion circuit 12 is configured to convert a video source signal input by the video input interface 11 into a video signal output according to an interface type of the video output interface 31.
Referring to fig. 4, which is a schematic diagram illustrating a structural connection of a multi-video source switching apparatus in another embodiment, the multi-video source switching apparatus further includes a USB switching circuit 5, the peripheral connection end 3 further includes at least one USB device connection interface, each video source connection end 1 further includes at least one USB data transmission interface 13, and the USB data transmission interface 13 is used for being connected to a signal output apparatus that outputs video source signals. The USB switching circuit 5 is used for connecting the USB data transmission interface of the video source connecting end 1 with the USB equipment connecting interface of the peripheral connecting end 3.
In one embodiment, the multi-video source switching apparatus further includes a switching controller 4, connected to the multi-video source switching circuit 2 and the USB switching circuit, for selecting a set of video source connection terminals 1 to establish connection with the peripheral connection terminal 3.
In the embodiment of the application, the multi-video source switching device comprises at least two groups of video source connecting ends, a multi-video switching circuit and a group of peripheral connecting ends. Each group of video source connecting ends comprises at least one video input interface for inputting a video source signal. The multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends. The peripheral connecting end comprises at least one video output interface for outputting video source signals input by the video input interface which is connected by the multi-video switching circuit. Wherein, the video input interfaces of at least two groups of video source connecting ends have different interface types. Because the video interface types of at least two groups of video source connecting ends are different, the multi-video source switching device supports video sources connected with various different video output interfaces, and the compatibility of the multi-video source switching device is improved.
Example two:
referring to fig. 5, a schematic diagram of a multi-video source switching device in another embodiment is shown, the multi-video source switching device includes at least two video source connection terminals 1, a multi-video source switching circuit 2, and a set of peripheral connection terminals 3. Each set of video source connection terminals 1 comprises at least two video input interfaces 11 for the input of a video source signal. The multi-video switching circuit 2 establishes connection between the video source connecting end 1 and the peripheral connecting end 3. The peripheral connection terminal 3 includes at least one video output interface 31 for outputting a video source signal inputted through the video input interface 11 to which the multi-video switching circuit 2 is connected. Wherein the video input interfaces 11 of at least one group of video source connection terminals 1 comprise at least two different video interface types. In one embodiment, the video input interface 11 includes a first video input interface 111 and a second video input interface 112, and the first video input interface 111 and the second video input interface 112 have different interface types. In one embodiment, the interface types of the video input interface 11 include an HDMI interface, a DP interface, a VGA interface, a thunderbolt interface, a DVI interface, and a type-c interface. In one embodiment, the interface types of the video output interface 31 include an HDMI interface, a DP interface, a VGA interface, a DVI interface, and a type-c interface. Wherein, at least one video source connecting end 1 also comprises a video interface conversion circuit which is connected between the video input interface and the multi-video switching circuit and is used for converting the video source signal input by the video input interface into the video signal output according with the interface type of the video output interface.
Example three:
referring to fig. 6, a schematic diagram of a multi-video source switching device in another embodiment is shown, the multi-video source switching device includes at least two video source connection terminals 1, a multi-video source switching circuit, and a set of peripheral connection terminals 3. Each set of video source connection terminals 1 comprises at least one video input interface 11 for the input of a video source signal. The multi-video switching circuit establishes connection between a group of video source connecting ends 1 and the peripheral connecting end 3. The peripheral connection terminal 3 includes at least one video output interface 31 for outputting a video source signal inputted through the video input interface 11 to which the multi-video switching circuit is connected. The interface types of the video input interface 11 include a lightning interface and a type-c interface. The interface types of the video output interface 31 include an HDMI interface, a VGA interface, a DVI interface, a DP interface, and a type-c interface. The peripheral connection 3 further comprises at least one USB device connection interface 32. The multi-video source switching device further comprises a USB switching circuit 5, which is respectively connected to the video input interface 11 of each set of video source connecting end 1 and the USB device connecting interface 32 of the peripheral connecting end 3. The USB switching circuit 5 is used for selecting the video input interface 11 of one set of video source connection end 1 to connect with the USB device connection interface 32 of the peripheral connection end 3 synchronously with the multi-video switching circuit. In one embodiment, the power of the multi-video source switching device is provided by the video input interface 11.
The utility model discloses mainly be in order to solve how many video sources auto-change over device supports the book problem that multiple signal mixes and uses, because the update of computer peripheral product is very fast now, and what used in many people's homes is apple computer, but the company used is desktop or notebook computer, but need switch between two computers when working, consequently need have the multicomputer switch that can compatible multiple video output interface to solve above-mentioned problem. The application combines the market demand to provide a multi-video source switching device supporting two or more different interfaces.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. A multi-video source switching device is characterized by comprising at least two groups of video source connecting ends, a multi-video switching circuit and a group of peripheral connecting ends;
each group of video source connecting ends comprises at least one video input interface for inputting a video source signal;
the multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends;
the peripheral connecting end comprises at least one video output interface for outputting the video source signal input by the video input interface which is connected by the multi-video switching circuit;
wherein, the video input interfaces of at least two groups of video source connecting ends have different interface types.
2. The multi-video source switching apparatus according to claim 1, wherein the interface types of the video input interface include an HDMI interface, a DP interface, a VGA interface, a thunderbolt interface, a DVI interface, and a type-c interface.
3. The multi-video source switching apparatus according to claim 1, wherein the video input interfaces of at least one of said video source connection terminals comprise type-c interfaces.
4. The multi-video source switching apparatus according to claim 1, wherein the interface types of the video output interfaces include an HDMI interface, a DP interface, a VGA interface, a DVI interface, and a type-c interface;
at least one group of the video source connecting ends also comprises a video interface conversion circuit which is connected between the video input interface and the multi-video switching circuit; the video interface conversion circuit is used for converting a video source signal input by the video input interface into a video signal which is output according to the interface type of the video output interface.
5. The multi-video source switching apparatus according to claim 1, wherein said peripheral connection terminal further comprises at least one USB device connection interface;
each group of video source connecting ends also comprises at least one USB data transmission interface, and the USB data transmission interface is used for being connected with a signal output device for outputting the video source signals;
the multi-video source switching device also comprises a USB switching circuit which is used for connecting the USB data transmission interface of the video source connecting end with the USB equipment connecting interface of the peripheral connecting end.
6. The multi-video source switching apparatus according to claim 1, further comprising a switching controller connected to said multi-video source switching circuit for selecting a set of said video source connection terminals to connect to said peripheral connection terminals.
7. A multi-video source switching device is characterized by comprising at least two groups of video source connecting ends, a multi-video source switching circuit and a group of peripheral connecting ends;
each group of video source connecting ends comprises at least two video input interfaces for inputting a video source signal;
the multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends;
the peripheral connecting end comprises at least one video output interface for outputting the video source signal input by the video input interface which is connected by the multi-video switching circuit;
the video input interfaces of at least one group of video source connecting ends comprise at least two different interface types; the interface type of the video input interface comprises an HDMI interface, a DP interface, a VGA interface, a thunder interface, a DVI interface and a type-c interface.
8. The multi video source switching apparatus according to claim 7, wherein the interface types of said video output interfaces include HDMI interface, DP interface, VGA interface, DVI interface, and type-c interface;
at least one group of the video source connecting ends also comprises a video interface conversion circuit which is connected between the video input interface and the multi-video switching circuit; the video interface conversion circuit is used for converting the video source signal input by the video input interface into the video signal which is output according with the interface type of the video output interface.
9. A multi-video source switching device is characterized by comprising at least two groups of video source connecting ends, a multi-video source switching circuit and a group of peripheral connecting ends;
each group of video source connecting ends comprises at least one video input interface for inputting a video source signal;
the multi-video switching circuit establishes connection between a group of video source connecting ends and the peripheral connecting ends;
the peripheral connecting end comprises at least one video output interface for outputting the video source signal input by the video input interface which is connected by the multi-video switching circuit;
the interface type of the video input interface comprises a lightning interface and a type-c interface;
the video output interface comprises an HDMI (high-definition multimedia interface), a VGA (video graphics array) interface, a DP (data processing) interface, a DVI (digital video interface) and a type-c interface;
the peripheral connecting end also comprises at least one USB equipment connecting interface;
the multi-video source switching device also comprises a USB switching circuit which is respectively connected with the video input interface of each group of video source connecting ends and the USB equipment connecting interface of the peripheral connecting end;
the USB switching circuit is used for synchronously selecting a video input interface of a group of video source connecting ends to be connected with a USB equipment connecting interface of the peripheral connecting end with the multi-video switching circuit.
10. The multi-video source switching device as claimed in claim 9, wherein the power supply of the multi-video source switching device is provided by the video input interface.
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| CN202022698224.8U CN213338663U (en) | 2020-11-19 | 2020-11-19 | Multi-video source switching device |
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| CN202022698224.8U CN213338663U (en) | 2020-11-19 | 2020-11-19 | Multi-video source switching device |
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