CN217335723U - Desktop control device for switching multiple video sources - Google Patents
Desktop control device for switching multiple video sources Download PDFInfo
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- CN217335723U CN217335723U CN202220568098.0U CN202220568098U CN217335723U CN 217335723 U CN217335723 U CN 217335723U CN 202220568098 U CN202220568098 U CN 202220568098U CN 217335723 U CN217335723 U CN 217335723U
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Abstract
The application discloses a desktop control device for switching multiple video sources, which comprises a switching master device and a switching slave device. The switching master device comprises at least two groups of signal source connecting ends, a multi-video switching circuit, a multi-interface switching circuit, a video output interface, a switching controller and a master expansion connecting interface, and the switching slave device comprises a slave expansion connecting interface and an external connecting end. The peripheral connecting end is used for connecting computer peripheral equipment, and the slave expansion connecting interface is in communication connection with the master expansion connecting interface to realize communication connection between the multi-interface switching circuit and the peripheral connecting end. Because the switching slave device and the switching master device which are connected with the computer peripheral device are arranged in a split mode, the multicomputer switcher is more flexible and convenient to use, and user experience is improved.
Description
Technical Field
The utility model relates to a many video sources show technical field, concretely relates to desktop controlling means for many video sources switch.
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 KVM in the current market is mainly a KVM with a VGA interface or a KVM with an HDMI interface, which is implemented by sharing a keyboard, mouse and display equipment with a plurality of computer hosts, applying the KVM to enterprise rooms, designers, security and protection monitoring of security practitioners, when they work, they usually view data and operate different hosts and software on a plurality of computers, usually, the input part of the KVM equipment is provided with a video signal interface, each video interface is also provided with 2 ports, 4 ports, 8 ports and the like corresponding to one USB interface, the output part is provided with a video output port for connecting the display equipment, besides video signals, with USB interfaces for connecting a USB keyboard, a mouse, some printers and mobile storage equipment such as a USB disk mobile hard disk, and the KVM is placed under a desk by guests in order to make the desk attractive and tidy, although this kind can solve the problem that the signal switches through increasing the desktop controller, but will lie prone under the desk and insert portable storage device earlier and then stand up official working when will inserting the USB flash disk to the KVM host computer, lie prone under the desk again after the completion and remove this portable removal storage device, still can hit the head sometimes, unusual inconvenient, the office efficiency is low and the environment aesthetic feeling is poor and user experience is very not good.
Disclosure of Invention
The utility model discloses the technical problem who mainly solves is that many KVM switch is too concentrated because of each connection interface when in-service use for the technical problem that the interface connection line is not convenient for pull out and insert.
In one aspect, an embodiment provides a desktop control apparatus for multi-video source switching, including a switching master device and a switching slave device;
the switching main equipment comprises at least two groups of signal source connecting ends, a multi-video switching circuit, a multi-interface switching circuit, a video output interface, a switching controller and a main expansion connecting interface;
each group of signal source connecting ends are used for connecting the same external equipment; each group of signal source connecting ends comprises at least one video input interface and at least one USB connecting interface, each video input interface is connected with the multi-video switching circuit, and each USB connecting interface is connected with the multi-interface switching circuit;
the switching controller is connected with the multi-video switching circuit, the multi-interface switching circuit and the main expansion connection interface; the switching controller is used for sending a video connection electric signal to the multi-video switching circuit; the switching controller is further configured to send an interface connection electrical signal to the multi-interface switching circuit;
the multi-video switching circuit is connected with the video output interface, and is used for responding to the video connection electric signal to establish connection between one video input interface in a group of signal source connection ends and the video output interface so as to output the video signal received by the video input interface through the video output interface;
the multi-interface switching circuit is connected with the main expansion connection interface; the multi-interface switching circuit is used for responding to the interface connection electric signal to connect one USB connection interface in a group of signal source connection ends with the main expansion connection interface;
the switching slave equipment comprises a slave expansion connection interface and a peripheral connection end;
the slave expansion connection interface is connected with the peripheral connection end; the peripheral connecting end is used for connecting peripheral equipment of a computer; the slave expansion connection interface is used for establishing communication connection with the master expansion connection interface so as to realize communication connection between the multi-interface switching circuit and the peripheral connection end.
In one embodiment, the desktop control device further comprises a first shell and a second shell which are independent respectively;
the switching master device is arranged in the first shell; the switching slave device is disposed within the second housing.
In one embodiment, the slave expansion connection interface establishes a communication connection with the master expansion connection interface through a data line.
In one embodiment, the slave expansion connection interface establishes a communication connection with the master expansion connection interface through a wireless network.
In one embodiment, the slave expansion connection interface establishes communication connection with the master expansion connection interface through a bluetooth signal, an infrared signal, a radio frequency signal or a WIFI signal.
In one embodiment, the peripheral connection end includes at least two peripheral connection interfaces.
In one embodiment, the peripheral connection interface includes a USB interface.
In one embodiment, the switching slave device further comprises a switching control switch; the switching control switch is connected with the slave extension connection interface, and is further used for sending a switching control electrical signal to the switching controller through the slave extension connection interface and the master extension connection interface, and the switching controller is further used for sending the interface connection electrical signal and the video connection electrical signal in response to the switching control electrical signal.
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.
In one embodiment, the desktop control device further comprises a video interface conversion circuit, and the video interface conversion circuit is connected between the video output interface and the multi-video switching circuit; the video interface conversion circuit is used for converting the video signals output by the multi-video switching circuit into video signals which are output according to the interface type of the video output interface.
According to the desktop control device of the above embodiment, the switching slave device and the switching master device connected to the peripheral devices of the computer are separately configured, so that the kvm switch is more flexible and convenient to use.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a KVM connection;
FIG. 2 is a block diagram illustrating the structural connections of the desktop control device in one embodiment;
FIG. 3 is a block diagram illustrating the structural connections of a switching master in one embodiment;
fig. 4 is a block diagram of the structural connection of the switching slave device in one 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 specific 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" as used herein includes both direct and indirect connections (couplings), unless otherwise specified.
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 originally needs a plurality of display devices and a plurality of sets of keyboards and mice to complete the operation. 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 a user gives a signal source switching instruction, the keyboard and the mouse at the output end and the display device can display the picture of the other device, so that the operation on the other device can be realized.
In the embodiment of the invention, the invention discloses a desktop control device for switching multiple video sources, which comprises a switching master device and a switching slave device. The switching master device comprises at least two groups of signal source connecting ends, a multi-video switching circuit, a multi-interface switching circuit, a video output interface, a switching controller and a master expansion connecting interface, and the switching slave device comprises a slave expansion connecting interface and an external connecting end. The peripheral connecting end is used for connecting computer peripheral equipment, and the slave expansion connecting interface is in communication connection with the master expansion connecting interface to realize communication connection between the multi-interface switching circuit and the peripheral connecting end. The switching slave device and the switching master device connected with the computer peripheral device are arranged separately, so that the multicomputer switcher is more flexible and convenient to use.
The first embodiment is as follows:
referring to fig. 2, a block diagram of a structural connection of a desktop control apparatus in an embodiment is shown, where the desktop control apparatus includes a switching master device 1 and a switching slave device 2. Referring to fig. 3, which is a block diagram illustrating a structure of a switching master device in an embodiment, the switching master device 1 includes at least two sets of signal source connection terminals 30, a multi-video switching circuit 60, a multi-interface switching circuit 70, a video output interface 20, a switching controller 80, and a master expansion connection interface 10. Each set of signal source connection terminals 30 is used for connecting the same external device, each set of signal source connection terminals 30 includes at least one video input interface 310 and at least one USB connection interface 320, each video input interface 310 is connected to the multi-video switching circuit 60, and each USB connection interface 320 is connected to the multi-interface switching circuit 70. The switching controller 80 is connected to the multi-video switching circuit 60, the multi-interface switching circuit 70, and the main extension connection interface 10. The switch controller 80 is operable to send the video connect electrical signal to the multi-video switch circuit 60. The switching controller 80 is also operable to send interface connection electrical signals to the multi-interface switching circuit 70. The multi-video switching circuit 60 is connected to the video output interface 20, and the multi-video switching circuit 60 is configured to connect one video input interface 310 of the set of signal source connection terminals 30 to the video output interface 20 in response to the video connection electrical signal, so as to output the video signal received by the video input interface 310 through the video output interface 20. The multi-interface switching circuit 70 is connected to the main extension connection interface 10. The multi-interface switching circuit 70 is used for connecting one USB connection interface 320 of the signal source connection terminals 30 in one set with the main expansion connection interface 10 in response to the interface connection electrical signal.
Referring to fig. 4, which is a block diagram of a structure of a switching slave device in an embodiment, the switching slave device 2 includes a slave expansion connection interface 40 and a peripheral connection terminal 50. The slave expansion connection interface 40 is connected to the peripheral connection terminal 50. The peripheral connection terminal 50 is used to connect a computer peripheral. The slave expansion connection interface 40 is used for establishing a communication connection with the master expansion connection interface 10 to realize a communication connection between the multi-interface switching circuit 70 and the peripheral connection terminal 50.
In one embodiment, the desktop control device further comprises a first shell and a second shell which are independent respectively. The switching master device 1 is provided in the first housing, and the switching slave device 2 is provided in the second housing.
In one embodiment, the slave expansion connection interface 40 establishes a communication connection with the master expansion connection interface 10 through a data line. In one embodiment, the slave expansion link interface 40 establishes a communication link with the master expansion link interface 10 via a wireless network. In one embodiment, the slave expansion connection interface 40 establishes a communication connection with the master expansion connection interface 10 through a bluetooth signal, an infrared signal, a radio frequency signal, or a WIFI signal.
In one embodiment, the peripheral connection end 50 includes at least two peripheral connection interfaces 51. In one embodiment, the peripheral connection interface 51 comprises a USB interface.
In one embodiment, the switching slave device 2 further comprises a switching control switch 90, the switching control switch 90 is connected to the slave expansion connection interface 40, the switching control switch 90 is further configured to send a switching control electrical signal to the switching controller 80 via the slave expansion connection interface 40 and the master expansion connection interface 10, and the switching controller 80 is further configured to send an interface connection electrical signal and a video connection electrical signal in response to the switching control electrical signal.
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. In one embodiment, the desktop control device further comprises a video interface conversion circuit, and the video interface conversion circuit is connected between the video output interface 20 and the multi-video switching circuit 60. The video interface conversion circuit is used for converting the video signal output by the multi-video switching circuit 60 into a video signal which is output according to the interface type of the video output interface 20.
The KVM host interface is mainly used for solving the problem that the KVM host interface is inconvenient to pull and insert in the prior art, and the adopted technical scheme is that the KVM is designed in a split mode. In one embodiment, the switching host including the KVM switch is placed under the desk just as the computer host is placed under the desk, and all wires and connections are not required to be placed on the desktop, so that the desktop is tidy. Place in the desk top at the switching slave unit that will be used for connecting the computer peripheral equipment, be about to the USB interface extend to the desktop on, simultaneously with switch control switch also extend to the desktop together on, the user switches and controls KVM and uses mobile storage device just need not lie prone again and go below the desk like this, make the user have good office environment, and the work efficiency is improved, promote user experience, do not worry again and the line of hardness makes up the desktop in disorder again, also do not worry at the bottom of the plug mobile device will bore the desk and bump the head. In one embodiment, the computer peripheral device comprises a mouse, a keyboard or an external storage device.
The embodiment of the application discloses a desktop control device for switching multiple video sources, which comprises a switching master device and a switching slave device. The switching master device comprises at least two groups of signal source connecting ends, a multi-video switching circuit, a multi-interface switching circuit, a video output interface, a switching controller and a master expansion connecting interface, and the switching slave device comprises a slave expansion connecting interface and a peripheral connecting end. The peripheral connecting end is used for connecting computer peripheral equipment, and the slave expansion connecting interface is in communication connection with the master expansion connecting interface to realize communication connection between the multi-interface switching circuit and the peripheral connecting end. Because the switching slave device and the switching master device which are connected with the computer peripheral device are arranged in a split mode, the multicomputer switcher is more flexible and convenient to use, and user experience is improved.
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 desktop control device for switching a multi-video source is characterized by comprising a switching master device and a switching slave device;
the switching main equipment comprises at least two groups of signal source connecting ends, a multi-video switching circuit, a multi-interface switching circuit, a video output interface, a switching controller and a main expansion connecting interface;
each group of signal source connecting ends are used for connecting the same external equipment; each group of the signal source connecting ends comprises at least one video input interface and at least one USB connecting interface, each video input interface is connected with the multi-video switching circuit, and each USB connecting interface is connected with the multi-interface switching circuit;
the switching controller is connected with the multi-video switching circuit, the multi-interface switching circuit and the main extension connecting interface; the switching controller is used for sending a video connection electric signal to the multi-video switching circuit; the switching controller is further configured to send an interface connection electrical signal to the multi-interface switching circuit;
the multi-video switching circuit is connected with the video output interface, and is used for responding to the video connection electric signal to establish connection between one video input interface in a group of signal source connection ends and the video output interface so as to output the video signal received by the video input interface through the video output interface;
the multi-interface switching circuit is connected with the main expansion connection interface; the multi-interface switching circuit is used for responding to the interface connection electric signal to connect one USB connection interface in a group of signal source connection ends with the main expansion connection interface;
the switching slave equipment comprises a slave expansion connection interface and a peripheral connection end;
the slave expansion connection interface is connected with the peripheral connection end; the peripheral connecting end is used for connecting peripheral equipment of a computer; the slave expansion connection interface is used for establishing communication connection with the master expansion connection interface so as to realize communication connection between the multi-interface switching circuit and the peripheral connection end.
2. The desktop control device of claim 1, further comprising two separate first and second housings;
the switching master device is arranged in the first shell; the switching slave device is disposed within the second housing.
3. The desktop control device as claimed in claim 1, wherein the slave expansion connection interface establishes a communication connection with the master expansion connection interface through a data line.
4. The desktop control device as claimed in claim 1, wherein the slave expansion connection interface establishes a communication connection with the master expansion connection interface through a wireless network.
5. The desktop control device of claim 4, wherein the slave expansion connection interface establishes a communication connection with the master expansion connection interface through a Bluetooth signal, an infrared signal, a radio frequency signal, or a WIFI signal.
6. The desktop control device of claim 1, wherein the peripheral connection end comprises at least two peripheral connection interfaces.
7. The desktop control device of claim 6, wherein the peripheral connection interface comprises a USB interface.
8. The desktop control apparatus of claim 1, wherein the switching slave device further comprises a switching control switch; the switching control switch is connected with the slave expansion connection interface, the switching control switch is further used for sending a switching control electric signal to the switching controller through the slave expansion connection interface and the master expansion connection interface, and the switching controller is further used for sending the interface connection electric signal and the video connection electric signal in response to the switching control electric signal.
9. The desktop control apparatus of claim 1, wherein 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.
10. The desktop control device of claim 1, further comprising a video interface conversion circuit connected between the video output interface and the multi-video switching circuit; the video interface conversion circuit is used for converting the video signals output by the multi-video switching circuit into video signals which are output according to the interface type of the video output interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220568098.0U CN217335723U (en) | 2022-03-11 | 2022-03-11 | Desktop control device for switching multiple video sources |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220568098.0U CN217335723U (en) | 2022-03-11 | 2022-03-11 | Desktop control device for switching multiple video sources |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117742550A (en) * | 2023-12-20 | 2024-03-22 | 广东视腾电子科技有限公司 | KVM switch based on video preview and control method thereof |
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- 2022-03-11 CN CN202220568098.0U patent/CN217335723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117742550A (en) * | 2023-12-20 | 2024-03-22 | 广东视腾电子科技有限公司 | KVM switch based on video preview and control method thereof |
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