CN103024316B - The RF remote-controlled receiver module of television set and TV standby processing method - Google Patents

Abstract

The invention relates to television technology. The present invention solves the problem of high standby power consumption of the existing TV with radio frequency remote control receiving function, and provides a TV radio frequency remote control receiving module and a TV standby processing method, and its technical scheme can be summarized as: TV radio frequency remote control The receiving module includes a microcontroller. The microcontroller is provided with a TV status control port and a switch control port. The TV status control port is used to connect with the processor of the TV to receive the standby command sent by the TV and judge the status of the TV. state, the switch machine control port is used to connect with the power switch button in the local buttons of the TV, and directly controls the on-off of the power switch button. It will return to the normal working mode after receiving the RF power-on signal. The invention has the beneficial effects of saving energy and being suitable for televisions.

Description

TV radio frequency remote control receiving module and TV standby processing method

technical field

The invention relates to television technology, in particular to the technology of remote control of television.

Background technique

TVs generally have remote control and button functions. The remote control function can realize the operation of TV functions through infrared remote control transmitters and infrared remote control receivers. operation. With the intelligent development of televisions, the functions of televisions are becoming more and more powerful, and radio frequency technology will be more and more applied to television systems as a wireless transmission method for data or signals. The current RF remote control receiving module generally has a separate microcontroller, and the commands of the RF remote control and the different working states of the RF remote control receiving module can be set through program settings. If it is set to an intermittent working state, only the microcontroller is in this state. Work, the radio frequency receiving, filtering, signal processing and conversion units are all in intermittent working state, the radio frequency remote control receiving module is connected to the main board of the TV through the USB interface, and the radio frequency remote control operation commands control the TV through the USB signal converted by the microcontroller According to the general method of use, the USB part of the motherboard stops working when the TV is in standby mode. If the RF remote control needs to be used normally in the standby state, the USB part connected to the TV motherboard and the RF remote control receiving module needs to work normally. It greatly increases the standby power consumption of the TV.

Contents of the invention

The purpose of the present invention is to overcome the disadvantage of high standby power consumption of the current TV with radio frequency remote control receiving function, and provide a TV radio frequency remote control receiving module and a TV standby processing method.

The present invention solves its technical problem. The technical solution adopted is that the TV radio frequency remote control receiving module includes a micro-controller, and it is characterized in that the micro-controller is equipped with two control ports, which are respectively the TV state control port and the switch The TV state control port is used to connect with the processor of the TV, receive the standby command sent by the TV, and judge the state of the TV. The switch control port is used to connect with the power switch button in the local buttons of the TV. The on-off of the power switch button is directly controlled, and the microcontroller controls the entire module to enter the intermittent working mode after receiving the standby command at the TV state control port, until it returns to the normal working mode after receiving the radio frequency power-on signal.

Further, the intermittent working mode is to work normally for a certain period of time within 1 second, and stay in sleep state for the rest of the time.

Specifically, the certain time is 0.3 seconds.

The TV standby processing method is characterized in that it comprises the following steps:

Step 1. The TV and its radio frequency remote control receiving module work normally, and the TV processor sends a TV normal operation command to the TV status control port, if the TV standby command is received at this time;

Step 2, the TV processor sends a standby command to the TV state control port of the microcontroller of the TV radio frequency remote control receiving module, the TV enters a sleep state, and the USB module stops working;

Step 3, the microcontroller of the radio frequency remote control receiving module of the TV receives the standby command, and controls the whole radio frequency remote control receiving module of the TV to enter the intermittent working mode;

Step 4, the radio frequency remote control receiving module of the TV receives the power-on command sent by the user, and the micro-controller controls the switch machine control port to send a power-on command to the TV power switch button;

Step 5. The TV receives the power-on command from the power switch button to turn on the power, and the TV and its radio frequency remote control receiving module work normally, and return to step 1.

Specifically, in step 2, the standby instruction is at a low level.

Further, in step 4, the power-on command is a high-low-high level.

Specifically, in step 3, the intermittent working mode is within 1 second, working normally for a certain period of time, and staying in a sleep state for the rest of the time.

Still further, the certain time is 0.3 seconds.

The beneficial effect of the present invention is that, through the radio frequency remote control receiving module of the TV set and the TV standby processing method, the USB module can not work at all when the TV is in standby, thereby reducing the standby power consumption of the TV and saving energy.

Description of drawings

FIG. 1 is a system block diagram of a TV system formed by a TV radio frequency remote control receiving module and a TV in an embodiment of the present invention.

detailed description

The technical solution of the present invention will be described in detail below in combination with the embodiments and the accompanying drawings.

The TV radio frequency remote control receiving module of the present invention is on the basis of the existing TV radio frequency remote control receiving module, and uses two control ports on the micro-controller, which are respectively used as the TV state control port and the switch machine control port. Port, the TV state control port is used to connect with the processor of the TV, receive the standby command sent by the TV, and judge the state of the TV. When the power switch button is turned on and off, the microcontroller controls the entire module to enter the intermittent working mode after receiving the standby command at the TV state control port, and returns to the normal working mode after receiving the radio frequency power-on signal.

When in use, if the television and its radio frequency remote control receiving module are working normally, the television processor sends a normal operation instruction to the television state control port, and if the television standby command is received at this time, the television processing The device sends a standby command to the TV state control port of the microcontroller of the TV radio frequency remote control receiving module, the TV enters a sleep state, the USB module stops working, and the microcontroller of the TV radio frequency remote control receiving module receives the standby command and controls the entire The radio frequency remote control receiving module of the TV enters the intermittent working mode. If the radio frequency remote control receiving module of the TV receives the power-on command sent by the user, the micro-controller controls the switch machine control port to send a power-on command to the power switch button of the TV, and the TV receives When the power-on command of the power switch button is turned on, the TV and its radio frequency remote control receiving module work normally, and it returns to the step where the TV processor sends the TV normal operation command to the TV state control port.

Example

In this example, the system block diagram of the TV system formed by the TV radio frequency remote control receiving module and the TV is shown in Figure 1.

The radio frequency remote control receiving module of the TV in this example is based on the existing radio frequency remote control receiving module of the TV, adding two control ports on the microcontroller, which are respectively used as the TV state control port and the switch control port. The TV status control port is used to connect with the processor of the TV, receive the standby command sent by the TV, and judge the status of the TV. The switch control port is used to connect with the power switch button in the local buttons of the TV to directly control the power switch On and off of the button, the microcontroller controls the entire module to enter the intermittent working mode after receiving the standby command at the TV status control port, and returns to the normal working mode after receiving the radio frequency power-on signal. The intermittent working mode refers to 1 second Within a certain period of normal work, such as 0.3 seconds, the remaining time is in a sleep state, such as 0.7 seconds.

When in use, if the TV and its radio frequency remote control receiving module are working normally, the TV processor will send a TV normal operation command to the TV state control port, if the TV is kept at a high level, if it receives the TV standby command (issued by the user, which can be pressing the on/off key of the TV or the on/off key of the RF remote control), the TV processor sends a standby command to the TV state control port of the microcontroller of the TV RF remote control receiving module, such as Stop the high-level transmission and change it to low-level, the TV enters the sleep state, the USB module stops working, the microcontroller of the TV RF remote control receiving module receives the standby command, and controls the entire TV RF remote control receiving module to enter the intermittent working mode , the intermittent working mode refers to within 1 second, normal work for a certain period of time, such as 0.3 seconds, then the remaining time is in a sleep state, such as 0.7 seconds; if the TV RF remote control receiving module receives a power-on command from the user during standby (referring to the power-on command sent by the user using the RF remote control switch key), the microcontroller controls the switch machine control port to send a power-on command to the TV power switch button, such as outputting a high-low-high level to the power switch button ( Just like the buttons of ordinary home appliances, press down the low level, release the high level, so it is a changing level), the TV receives the power switch button to turn on the power, the TV and its radio frequency remote control The receiving module works normally, and returns to the step where the television processor sends the television normal operation instruction to the television state control port.

Claims (8)

1. the RF remote-controlled receiver module of television set, comprise microcontroller, it is characterized in that, described microcontroller possess two control ports, be respectively television set state control port and switching on and shutting down control port, television set state control port is used for being connected with the processor of television set, receive the standby command that television set sends, judge television set state, switching on and shutting down control port is used for being connected with the power switch button in television local button, the break-make of direct control power switch button, television processor sends standby command to the television set state control port of described microcontroller, television set enters sleep state, USB module quits work, described microcontroller controls whole module and enters intermittent work pattern after television set state control port receives standby command, the RF remote-controlled receiver module of television set receives the start-up command that user sends, microprocessor controls switching on and shutting down control port sends a start-up command to TV set power switch button, the start-up command that television set receives power switch button switches on power, television set and the RF remote-controlled receiver module of television set thereof get back to normal mode of operation.

2. the RF remote-controlled receiver module of television set according to claim 1, it is characterized in that, described intermittent work pattern is in 1 second, and normally work certain hour, and the remaining time is in sleep state.

3. the RF remote-controlled receiver module of television set according to claim 2, it is characterized in that, described certain hour is 0.3 second.

4. TV standby processing method, is characterized in that, comprises the following steps:

The RF remote-controlled receiver module of step 1, television set and television set thereof normally works, television processor sends the normal work order of television set, if now receive TV standby order to the television set state control port of the microcontroller of the RF remote-controlled receiver module of television set;

Step 2, television processor send standby command to the television set state control port of the microcontroller of the RF remote-controlled receiver module of television set, and television set enters sleep state, and USB module quits work;

The microcontroller of the RF remote-controlled receiver module of step 3, television set receives standby command, controls the RF remote-controlled receiver module of whole television set and enters intermittent work pattern;

The RF remote-controlled receiver module of step 4, television set receives the power-on command that user sends, and microprocessor controls switching on and shutting down control port sends a start-up command to TV set power switch button;

The start-up command that step 5, television set receive power switch button switches on power, and television set and the RF remote-controlled receiver module of television set thereof normally work, and get back to step 1.

5. TV standby processing method according to claim 4, it is characterized in that, in step 2, described standby command is low level.

6. TV standby processing method according to claim 4, it is characterized in that, in step 4, described start-up command is a high-low-high level.

7. TV standby processing method according to claim 4 or 5 or 6, is characterized in that, in step 3, described intermittent work pattern is in 1 second, and normally work certain hour, and the remaining time is in sleep state.

8. TV standby processing method according to claim 7, it is characterized in that, described certain hour is 0.3 second.