HDMI 8K 60HZ super-definition audio and video switcher

Abstract

The utility model relates to the technical field of audio and video switching, in particular to an HDMI (High-Definition Multimedia Interface) 8K 60HZ super-definition audio and video switcher, which is characterized in that an HDMI first port and an HDMI second port are connected to one side of an HDMI chip, an HDMI third port is connected to the other side of the HDMI chip, an MCU (Microprogrammed Control Unit) controller is connected with the HDMI chip, a logic control switch is connected with the MCU controller, and an HDMI chip is connected with the logic control switch. The third port of the HDMI is connected with an MMBT3904 triode, and the MMBT3904 triode is connected with the MCU controller. Compared with the prior art, the HDMI 8K 60HZ super-definition audio and video switcher not only can realize a two-in and one-out switcher function, but also can realize a one-in and two-out distributor function, is convenient to use and high in compatibility, avoids frequent plugging and unplugging of a connecting line by a user, and enables the service life of a connecting port on equipment to be longer.

Description

[Technical field]

[0001] The utility model relates to the technical field of audio and video switching, and in particular to an HDMI 8K 60HZ ultra-clear audio and video switcher. [Background technology]

[0002] The HDMI switcher of the prior art can generally only realize one switching function. When encountering a distribution scenario of single input and multiple outputs, it is necessary to frequently plug and unplug the connection cable to achieve it, which will cause a heavy burden on the connection port on the device and reduce the service life. [Utility Model Content]

[0003] In order to overcome the above problems, the utility model proposes an HDMI 8K 60HZ ultra-high-definition audio and video switcher which can effectively solve the above problems.

[0004] The utility model provides a technical solution to solve the above technical problems: providing an HDMI 8K 60HZ ultra-high-definition audio and video switch, including an HDMI chip, an MCU controller, a logic control switch, a first HDMI port, a second HDMI port and a third HDMI port, wherein the first HDMI port and the second HDMI port are connected to one side of the HDMI chip, the third HDMI port is connected to the other side of the HDMI chip, the MCU controller is connected to the HDMI chip, and the logic control switch is connected to the MCU controller; the third HDMI port is connected to a MMBT3904 transistor, and the MMBT3904 transistor is connected to the MCU controller.

[0005] Preferably, the model of the HDMI chip is PI3HDX12221.

[0006] Preferably, the MCU controller adopts a QCW0136 chip.

[0007] Preferably, the logic control switch adopts a 74HC4052D chip.

[0008] Preferably, the MMBT3904 transistor is a small signal surface mounted NPN transistor.

[0009] Compared with the existing technology, the HDMI 8K 60HZ ultra-high-definition audio and video switch of the utility model can realize both the function of a two-input and one-output switch and the function of a one-input and two-output distributor. It is easy to use and has high compatibility. It eliminates the need for users to frequently plug and unplug connecting cables, thus extending the service life of the connection ports on the device.

Brief Description of the Drawings

[0010] Figure 1This is a framework diagram of the utility model HDMI 8K 60HZ ultra-clear audio and video switcher;

[0011] Figure 2 This is the HDMI chip schematic diagram of the utility model HDMI 8K 60HZ ultra-clear audio and video switch;

[0012] Figure 3 This is the MCU controller schematic diagram of the utility model HDMI 8K 60HZ ultra-clear audio and video switch;

[0013] Figure 4 This is the logic control switch schematic diagram of the utility model HDMI 8K 60HZ ultra-clear audio and video switcher. [Specific implementation method]

[0014] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0015] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are limited to relative positions on the specified view rather than absolute positions.

[0016] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0017] See also Figures 1 to 4 The utility model discloses an HDMI 8K 60HZ ultra-clear audio and video switch, comprising an HDMI chip, an MCU controller, a logic control switch, a first HDMI port, a second HDMI port and a third HDMI port. The first HDMI port and the second HDMI port are connected to one side of the HDMI chip, the third HDMI port is connected to the other side of the HDMI chip, the MCU controller is connected to the HDMI chip, and the logic control switch is connected to the MCU controller.

[0018] The third HDMI port is connected to a MMBT3904 transistor, and the MMBT3904 transistor is connected to an MCU controller.

[0019] The MMBT3904 transistor is a small signal surface mount NPN transistor.

[0020] The model of the HDMI chip is PI3HDX12221, which has input signal detection with automatic power saving operation, adjustable input EQ, adjustable output Swing, and built-in Linear Redriver function to compensate for signal loss.

[0021] The MCU controller adopts QCW0136 chip.

[0022] The logic control switch adopts a 74HC4052D chip.

[0023] The utility model HDMI 8K 60HZ ultra-clear audio and video switcher can achieve the effects of switching and allocating different functions of connection modes. It has 8K60Hz ultra-clear resolution, is backward compatible with 1080P resolution, and HDCP2.3 is backward compatible with HDCP1.4. It can realize two HDMI signal inputs and one HDMI signal output, and can also realize one HDMI signal input and two HDMI signal outputs conversely. It has low power consumption and multi-functions.

[0024] The utility model of the HDMI 8K 60HZ ultra-clear audio and video switcher, when executing the switching function, the first HDMI port and the second HDMI port are input ports, and the third HDMI port is an output port; when executing the distribution function, the third HDMI port is the input port, and the first HDMI port and the second HDMI port are output ports.

[0025] Compared with the existing technology, the HDMI 8K 60HZ ultra-high-definition audio and video switch of the utility model can realize both the function of a two-input and one-output switch and the function of a one-input and two-output distributor. It is easy to use and has high compatibility. It eliminates the need for users to frequently plug and unplug connecting cables, thus extending the service life of the connection ports on the device.

[0026] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any modifications, equivalent substitutions and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.

Claims

1. HDMI 8K 60HZ ultra-clear audio and video switch, characterized by: It includes an HDMI chip, an MCU controller, a logic control switch, a first HDMI port, a second HDMI port and a third HDMI port, wherein the first HDMI port and the second HDMI port are connected to one side of the HDMI chip, the third HDMI port is connected to the other side of the HDMI chip, the MCU controller is connected to the HDMI chip, and the logic control switch is connected to the MCU controller; The third HDMI port is connected to a MMBT3904 transistor, and the MMBT3904 transistor is connected to an MCU controller.

2. The HDMI 8K 60HZ ultra-clear audio and video switcher according to claim 1, characterized in that: The model of the HDMI chip is PI3HDX12221.

3. The HDMI 8K 60HZ ultra-clear audio and video switcher according to claim 1, characterized in that: The MCU controller adopts QCW0136 chip.

4. The HDMI 8K 60HZ ultra-clear audio and video switcher according to claim 1, characterized in that: The logic control switch adopts a 74HC4052D chip.

5. The HDMI 8K 60HZ ultra-clear audio and video switcher according to claim 1, characterized in that: The MMBT3904 transistor is a small signal surface mount NPN transistor.

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