CN210629668U

CN210629668U - HDMI switcher with timing intelligent linkage function

Info

Publication number: CN210629668U
Application number: CN201922186346.6U
Authority: CN
Inventors: 田胜才; 于晓亮
Original assignee: Ask Technology Co ltd
Current assignee: Ask Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-05-26
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a take intelligent linkage function HDMI switch regularly, including a plurality of HDMI input ports, HDMI channel selector, HDMI output port, display driver and digital tube display, still include a microprocessor that is used for sampling multichannel input device and display device state and sending system control command and demonstration data, microprocessor and a plurality of HDMI input ports and HDMI output port electricity are connected, still be connected with HDMI channel selector electricity through I2C bus, the display driver is connected with the microprocessor electricity, the display driver is connected with digital tube display electricity; the input end of the HDMI channel selector is electrically connected with the plurality of input ports, and the output end of the HDMI channel selector is electrically connected with the HDMI output port. The utility model discloses more have intelligent and automatic characteristics, user operation is simpler, has also increased product application and user's interest.

Description

HDMI switcher with timing intelligent linkage function

Technical Field

The utility model relates to a high definition audio frequency and video switches selector technical field, concretely relates to take intelligent linkage function HDMI switch regularly.

Background

With the widespread use of high definition interfaces (HDMI) on broadcast television equipment, conventional set-top boxes, blu-ray machines, game machines, players, even mobile phones, video cameras, and the like are equipped with HDMI interfaces, and the input ports of display equipment (such as televisions) are limited, and the problem of insufficient port number when connected with external equipment is encountered, and users are required to repeatedly pull wires to switch input equipment, so that the operation is complicated, and wires or equipment ports are easily damaged. The advent of HDMI switches has solved this problem well for users. The HDMI switcher can support access of multiple signal sources, one output port is connected to a television, and the HDMI switcher can be selectively switched between any input source by using a remote controller.

All operations of the device still need to be performed by people, and at some fixed time or at periodic time (for example, 8 am switches to the set-top box to watch news, and night turns off the device before going to bed), the device is easy to miss time and even forget, and the operation is troublesome.

Each device is provided with a remote controller, and under the condition that a plurality of accessed signal sources exist, the remote controllers are not well identified and distinguished, and the remote controllers are inconvenient to replace back and forth during operation.

Disclosure of Invention

The utility model aims to solve the technical problem that a timing intelligence linkage function HDMI switch is provided to solve the problem of proposing in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: an HDMI switcher with a timing intelligent linkage function comprises a plurality of HDMI input ports, an HDMI channel selector, an HDMI output port, a display driver, a digital tube display and a microprocessor, wherein the microprocessor is used for sampling states of a plurality of paths of input equipment and display equipment and sending system control instructions and display data;

the input end of the HDMI channel selector is electrically connected with the plurality of input ports, and the output end of the HDMI channel selector is electrically connected with the HDMI output port.

As a preferred solution, the plurality of HDMI input ports are connected to the external HDMI input device through HDMI wires, and the HDMI output port is connected to the external HDMI display device through HDMI wires.

Preferably, the microprocessor comprises an RTC module for generating a real time clock.

Preferably, the HDMI channel selector is a multi-channel HDMI channel selector.

The utility model has the advantages that:

1. the timing intelligent linkage HDMI switcher has a task reservation timing function, a plurality of regular and periodic operations do not need manual participation, and equipment can be automatically completed at a specified time, so that the equipment has the characteristics of intelligence and automation;

2. the timed intelligent linkage HDMI switcher can carry out some conventional control on all peripheral input equipment and display equipment by using one remote controller, such as power on/off, menu selection, song selection, volume and the like, a user does not need to use a remote controller which is independently matched with each equipment to carry out operation, and the user operation is simpler and more convenient;

3. the timing intelligent linkage HDMI switcher has a real-time clock display function and a desktop clock function. If the alarm clock is matched with a timing linkage function for use, the alarm clock can be used as a money of alarm clock, so that the product has the characteristics of consumer electronics, the product application field and the user interest are increased, and the application market is widened for company products.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a block diagram of the system of the present invention;

fig. 2 is a circuit diagram of a medium HDMI input port of the present invention;

fig. 3 is a circuit diagram of an HDMI output port of the present invention;

fig. 4 is a circuit diagram of the HDMI channel selector according to the present invention;

FIG. 5 is a circuit diagram of a microprocessor according to the present invention;

FIG. 6 and FIG. 7 are circuit diagrams illustrating the connection between the display driver and the microprocessor according to the present invention;

fig. 8 is a circuit diagram of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-8, the utility model discloses a take intelligent linkage function HDMI switch regularly, including a plurality of HDMI input ports 2, HDMI channel selector 1, HDMI output port 3, display driver 5 and digital tube display 6, still include a microprocessor 4 that is used for sampling multichannel input device and display device state and sending system control command and display data, microprocessor 4 is connected with a plurality of HDMI input ports 2 and HDMI output port 3 electricity, still be connected with HDMI channel selector 1 electricity through the I2C bus, display driver 5 is connected with microprocessor 4 electricity, display driver 5 is connected with digital tube display 6 electricity;

the input terminal of the HDMI channel selector 1 is electrically connected to the plurality of input ports 2, and the output terminal of the HDMI channel selector 1 is electrically connected to the HDMI output port 3.

In the present embodiment, the plurality of HDMI input ports 1 are connected to an external HDMI input device through HDMI wires, and the HDMI output port 3 is connected to an external HDMI display device through HDMI wires.

In this embodiment, the microprocessor 4 includes an RTC module for generating a real-time clock, which provides a reference time for the timing task.

In the present embodiment, the HDMI channel selector 1 is a multi-channel HDMI channel selector.

As shown in fig. 2, the external HDMI input device is connected to a plurality of HDMI input ports (only one input port is shown in the figure) through HMDI wires, wherein PINs 1-12 are 4 TMDS differential pair input PINs, and are connected to the multi-channel HDMI channel selector, and PIN 13 CEC is connected to the microprocessor 4 for reading the device status and issuing control commands to the input device.

As shown in fig. 3, TMDS signals input from a plurality of HMDI input ports are connected to the input terminals of the multi-HDMI channel selector IC4, a single multi-HDMI channel selector IC4 supports 4 inputs at most, or may support more inputs in cascade, and the TMDS signals selected by the multi-HDMI channel selector are output from the PINs 7-10 and 12-15.

As shown in fig. 4, the TMDS signal output from the multi-HDMI channel selector IC4 will be output from the HDMI output port J7, and the output port J7 will be connected to the HDMI input port of the display device through an HDMI wire.

As shown in fig. 5, the microprocessor IC8 is responsible for sampling the states of multiple input devices and display devices, receiving user operation commands and sending system control commands and display driving data, the external crystal X2 provides a system reference clock for the IC8, the external crystal X1 provides an RTC reference clock for the IC8, and the microprocessor IC8 communicates with the multiple HDMI channel selector IC4 via PF6/PF7 through I2C.

As shown in fig. 6 and 7, the display driver IC7 is connected to the microprocessor IC8, receives display data from the microprocessor IC8, and drives the digital display DS1 to display accordingly.

As shown in fig. 8, the infrared remote control receiver IC6 is used for receiving a user's remote control command and outputting the command data to the microprocessor IC 8.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a timing intelligence linkage function HDMI switch, its characterized in that: the HDMI display device comprises a plurality of HDMI input ports (2), an HDMI channel selector (1), an HDMI output port (3), a display driver (5) and a digital tube display (6), and further comprises a microprocessor (4) used for sampling states of a plurality of paths of input equipment and display equipment and sending system control instructions and display data, wherein the microprocessor (4) is electrically connected with the plurality of HDMI input ports (2) and the HDMI output port (3) and is also electrically connected with the HDMI channel selector (1) through an I2C bus, the display driver (5) is electrically connected with the microprocessor (4), and the display driver (5) is electrically connected with the digital tube display (6);

the input end of the HDMI channel selector (1) is electrically connected with the plurality of input ports (2), and the output end of the HDMI channel selector (1) is electrically connected with the HDMI output port (3).

2. The HDMI switcher with timing intelligent linkage function according to claim 1, wherein: the plurality of HDMI input ports (2) are connected to an external HDMI input device through HDMI wires, and the HDMI output ports (3) are connected to an external HDMI display device through HDMI wires.

3. The HDMI switcher with timing intelligent linkage function according to claim 1, wherein: the microprocessor (4) contains an RTC module for generating a real time clock.

4. The HDMI switcher with timing intelligent linkage function according to claim 1, wherein: the HDMI channel selector (1) is a multi-path HDMI channel selector.