CN206728212U - A kind of control device based on set top box - Google Patents

Abstract

The utility model provides a control device for a set-top box, which includes a casing. A control circuit and a power supply circuit are arranged in the casing. The control circuit is connected to the power supply circuit. The circuit board is equipped with a mainboard communication interface, a built-in infrared emitting light group, a built-in infrared receiving head, an external infrared emitting light group and a receiving head interface, and an external infrared emitting light group and a receiving head interface are connected to an external infrared transceiver through an infrared data cable. The infrared control circuit board is connected with the mainboard video control circuit board through the mainboard communication interface; the mainboard video control circuit board is provided with a video input interface and a video output interface, the video input interface is connected with the set-top box, and the video output interface is connected with the TV set. The utility model realizes the purpose of learning the infrared control codes of various set-top boxes through the infrared control circuit board, saves the time for users to learn and understand, and is convenient for control.

Description

A control device based on a set-top box

technical field

The utility model relates to the technical field of intelligent equipment, in particular to a set-top box control device.

Background technique

As a device that connects the TV with an external signal source, the set-top box can convert the compressed digital signal into TV content and display it on the TV. Digital TV set-top boxes in various parts of my country adopt different technologies and come from different manufacturers, which results in different key layouts and operation methods of digital TV remote controls. On the other hand, the different content and organization methods provided by cable TV networks in various places also cause the program navigation interface displayed on the TV to vary widely, and it is impossible to form a standard. This is no problem for home TV users, because users have enough time to learn and adapt, but it is not suitable for special scenarios like hotel rooms. At present, there is no one that can use a unified device to control digital TV set-top boxes of various brands.

Utility model content

The purpose of the utility model is to provide a set-top box control device to control various set-top boxes and provide a unified electronic program guide interface.

In order to achieve the above object, the utility model provides a set-top box control device, a control circuit and a power circuit are arranged in the casing, the control circuit is connected to the power circuit, and the control circuit includes a mainboard video control circuit board and an infrared control circuit board, wherein,

The infrared control circuit board is equipped with the communication interface of the main board, the built-in infrared emitting light group, the built-in infrared receiving head, the external infrared emitting light group and the receiving head interface, and the external infrared emitting light group and the receiving head interface are connected to the external Infrared transceiver integrated box, the infrared control circuit board is connected to the mainboard video control circuit board through the mainboard communication interface;

A video input interface and a video output interface are arranged on the video control circuit board of the main board, the video input interface is connected with the set-top box, and the video output interface is connected with the TV set.

Further, the video input interface is an HDMI interface or an AV interface.

Further, the video output interface is an HDMI interface.

Further, the power circuit includes a power interface, the power interface is connected to a transformer, and the transformer supplies power to the control circuit through the power interface.

Further, the specification of the transformer is DC12V, 2A.

Further, the integrated infrared transceiver box includes a box body, and an infrared emitting lamp group and an infrared receiving head are arranged in the box body.

The utility model also provides a control system based on a set-top box, which includes a control device based on the set-top box, a set-top box, a TV and a remote controller thereof.

In the above technical solution, the utility model realizes the purpose of learning the infrared control codes of various set-top boxes through the infrared forwarding circuit, and at the same time realizes the purpose of the same channel control interface by generating the frequency band list generated by the acquired infrared control codes, saving users Learn to understand the time of different set-top box control interfaces for easy control.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. For some embodiments described, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the external structure schematic diagram of an embodiment of the control device based on the set-top box described in the utility model;

Fig. 2 is a schematic diagram of the internal structure of an embodiment of the control device based on the set-top box described in the utility model;

Fig. 3 is the schematic structural diagram of the circuit principle of an embodiment of the infrared control circuit board in the control device based on the set-top box described in the utility model;

Fig. 4 is a circuit schematic diagram of an embodiment of an external infrared transceiver integrated box matched with the infrared control box in the control device based on the set-top box described in the present invention;

Fig. 5 is a structural schematic diagram of an embodiment of the control system based on the set-top box described in the present invention.

detailed description

In order to make those skilled in the art better understand the technical solution of the utility model, the utility model will be further introduced in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-4, the utility model provides a control device based on a set-top box, including a casing 101, a control circuit and a power circuit are arranged in the casing, and the control circuit is connected to the power circuit, wherein the control circuit includes a mainboard video Control circuit board 1 and infrared control circuit board 2, wherein,

A video input interface 3 and a video output interface 4 are set on the mainboard video control circuit board 1, the video input interface 3 is connected with the set-top box 102, and the video output interface 4 is connected with the TV set 103;

The infrared control circuit board 2 is provided with a main board communication interface 22, a built-in infrared emitting lamp group 21, a built-in infrared receiving head 24, an external infrared emitting lamp group and a receiving head interface 23, and the external infrared emitting lamp group and the receiving head interface pass the infrared data The line is connected to an external integrated infrared transceiver box, and the infrared control circuit board 2 is connected to the mainboard video control circuit board 1 through the mainboard communication interface 22.

The control device based on the set-top box of the present invention learns the infrared code of the set-top box connected through the video input interface through the infrared receiving head in the infrared control circuit board, and the infrared control circuit board sends the learned infrared code to the video control board of the main board through the communication interface of the main board. The circuit board is stored, and the video control circuit of the main board displays the corresponding channel list on the TV through the video output interface according to the received infrared code, which realizes the purpose of providing unified display content to users and prevents users from being confused because they are not familiar with the channel list interface. Influence users to choose TV channels. When the user operates the remote control to select a channel, the infrared control circuit board receives it through the infrared receiving head and selects it on the display content interface of the TV. The main board video control circuit board sends the corresponding infrared code to the infrared control circuit board according to the channel, and finally the infrared The control circuit board sends the infrared code to the set-top box through the infrared emitting lamp group, so as to realize the purpose of adjusting the program channel.

During specific implementation, the serial port of the motherboard communication interface is connected to the infrared control circuit board. The optional motherboard communication interface includes RXD pins, TXD pins, GND pins and DLRX_IR pins. The connection of the control circuit board realizes the detachable connection of the two by using the cable connection method, which is convenient for the user to maintain or replace parts.

FIG. 3 is a circuit diagram of an embodiment of the mid-infrared control circuit board of the present invention. During specific implementation, the processing part in the infrared control circuit board can adopt a single-chip microcomputer (MCU). In the present embodiment, two infrared receiving head interfaces are provided to realize infrared data reception in two directions, while the infrared emitting lamp group is provided with two Four, can realize multi-directional infrared data reception, during specific implementation, the quantity of infrared emitting lamp group can also be set to other numbers, the quantity of infrared lamp group is more, then its infrared data can receive the range bigger, improved For the purpose of switching TV channels, users have high experience when operating TV channels.

Referring to Fig. 3, the number of the present invention is 21 for the built-in emitting lamp group, 24 for the built-in infrared receiving head (i.e. the lamp group), 23 for the external infrared emitting lamp group and its receiving head interface, and 22 for the main board communication interface, the user will The infrared data line can be connected to the external infrared transmitting light group and the receiving head interface to realize the connection to the external infrared transceiver box. In this embodiment, the infrared receiving head interface is set as a 3.5mm audio interface, and the user passes the infrared data line through The 3.5mm audio interface is connected with the external infrared emitting light group and the interface of the receiving head to realize the connection with the control device based on the set-top box of the present invention. Compared with the traditional set-top box technology for controlling television channels, the control device based on the set-top box described in the present invention can still receive infrared control signals even if it is blocked. As shown in Figure 4, it is a schematic structural diagram of the circuit principle of an embodiment of the external infrared transceiver box of the present invention, the infrared transceiver box of the present invention realizes the control based on the set-top box of the present invention through infrared data lines Even if the control device based on the set-top box described in the present invention is blocked or placed behind the TV, the present invention can still install the external infrared transceiver box to the front of the TV or to any The location for sending and receiving infrared signals is convenient, this way reduces the area occupied by the control device based on the set-top box of the present invention, and also improves the cleanliness of the front of the TV. During specific implementation, the length of the infrared data line can be adjusted as required, so as to facilitate the adjustment of the position of the infrared control box to receive the infrared control signal.

It should be noted that, although the external infrared emitting lamp group and the receiving head interface are set as 3.5mm audio interface in the present invention, during specific implementation, the external infrared emitting lamp group and the receiving head interface described in the present invention are still Can be set as other interfaces, such as serial port interfaces such as USB interface, RS232 interface, any scheme that connects the infrared control box so that the position of the set-top box is flexibly adjusted by setting the infrared receiving head is the scope of protection of the present invention, and the present invention does not here enumerate.

Further, the video input interface is an HDMI interface, an AV interface, and the like. Further, the video output interface is an HDMI interface. The video input interface HDMI interface or AV interface of the present invention realizes the connection with the set-top box, and the TV signal provided by the provider of the receiver top box, because different set-top box providers have different technologies, so the channel list or interface displayed on the TV is different, so the present invention The connection of the HDMI interface on the TV is realized through the HDMI output interface, and the TV channel provided by the set-top box provider is displayed on the TV. At the same time, the control device based on the set-top box of the present invention can learn the infrared control codes of most electrical equipment with infrared remote control, such as set-top boxes, hotel TVs, air conditioners, etc., through the infrared control circuit board, which facilitates the unified control of users.

Further, the power circuit in the present invention includes a power interface, the power interface is connected to a transformer, and the transformer supplies power to the control circuit through the power interface; the specification of the transformer in this embodiment is DC12V, 2A.

As shown in FIG. 5 , the present invention also provides a set-top box control system, including a set-top-box-based control device 100 , a set-top box 102 , a television 103 and a remote controller 200 thereof.

During specific implementation, the remote control can obtain the infrared control code of the TV through the built-in infrared learning circuit, so that one remote control can control the external set-top box and the TV at the same time.

Some exemplary embodiments of the present utility model have been described above only by way of illustration. Needless to say, those skilled in the art can use various Modifications are made to the described embodiments. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims (7)

1. A control device based on a set-top box, characterized in that it comprises a casing, a control circuit and a power supply circuit are set in the casing, the control circuit is connected with the power supply circuit, and the control circuit includes a mainboard video control circuit board and an infrared control circuit board, wherein , The infrared control circuit board is provided with the communication interface of the main board, the built-in infrared emitting lamp group, the built-in infrared receiving head, the external infrared emitting lamp group and its receiving head interface, and the external infrared emitting lamp group and its receiving head interface are connected to the external An integrated infrared transceiver box is installed, and the infrared control circuit board is connected to the mainboard video control circuit board through the communication interface of the mainboard; A video input interface and a video output interface are arranged on the video control circuit board of the main board, the video input interface is connected with the set-top box, and the video output interface is connected with the TV set. 2. The control device based on a set-top box according to claim 1, wherein the video input interface is an HDMI interface or an AV interface. 3. The control device based on a set-top box according to claim 1, wherein the video output interface is an HDMI interface. 4 . The control device based on a set-top box according to claim 1 , wherein the power circuit includes a power interface, the power interface is connected to a transformer, and the transformer supplies power to the control circuit through the power interface. 5. The control device based on a set-top box according to claim 4, characterized in that the specification of the transformer is DC12V, 2A. 6 . The control device based on a set-top box according to claim 1 , wherein the integrated infrared transceiver box comprises a box body, and an infrared emitting lamp group and an infrared receiving head are arranged in the box body. 7. A set-top box control system, characterized in that it comprises the set-top box-based control device according to any one of claims 1-6, a set-top box, a TV and a remote controller thereof.