CN112331132B - Method and device for adjusting power consumption of display control system - Google Patents
Method and device for adjusting power consumption of display control system Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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Abstract
The invention discloses a method and a device for adjusting the power consumption of a display control system, wherein the display control system comprises a decoding device and a display device, the method for adjusting the power consumption of the display control system is implemented in the decoding device and comprises the following steps: after the display equipment is controlled to be closed, corresponding low-power-consumption programs are executed according to the level of the low-power-consumption mode selected by a user, wherein the decoding equipment is preset with low-power-consumption modes of different levels, and the low-power-consumption modes of different levels correspond to different low-power-consumption programs; and if the signal link between the display equipment and the display equipment is detected to be restored, starting a corresponding restoration program according to the level of the current low-power-consumption mode so as to realize a normal working state, wherein the low-power-consumption modes of different levels correspond to different restoration programs. The invention sets different low power consumption modes according to the requirements of users, and enters or exits the low power consumption state according to the low power consumption modes so as to balance the power consumption and the recovery performance of the display control system.
Description
Technical Field
The application belongs to the technical field of power consumption adjustment of display and control systems, and particularly relates to a method and a device for adjusting power consumption of a display and control system.
Background
At present, a series of display control systems such as an LCD splicing screen, an LED display screen and decoding equipment have high power and energy consumption, and great energy waste is generated if the systems are vacant. Therefore, the decoding device is often provided with a timing switch on/off function for the LCD spliced screen or the LED display screen, for example, the timing switch off function is set at 11 pm, and the timing switch on function is set at 7 am. During 11 pm and 7 am, although the LCD mosaic screen or the LED display screen is turned off, the decoding device and the LED transmitting card matching with the LED display screen are all in normal working state, and the user does not need to use the LED mosaic screen or the LED display screen during this period, which results in unnecessary energy waste.
In order to solve the problem of energy waste caused by the fact that the decoding equipment and the LED sending card are vacant in the large-screen shutdown state, the existing solution enables the decoding equipment to close all functional modules and enter a sleep mode, but the time for recovering services when the large screen is opened is long, so that the efficiency is influenced, and the use experience of a user is greatly reduced.
Disclosure of Invention
The application aims to provide a method and a device for adjusting power consumption of a display and control system, wherein different low-power-consumption modes are set according to requirements of users, and the low-power-consumption modes enter or exit a low-power-consumption state so as to balance power consumption and recovery performance of the display and control system.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
the utility model provides a method for adjusting display control system power consumption, display control system includes decoding equipment and display device, the method for adjusting display control system power consumption is implemented in decoding equipment, includes:
after the display equipment is controlled to be closed, executing corresponding low-power-consumption programs according to the level of the low-power-consumption mode selected by a user, wherein the decoding equipment is preset with low-power-consumption modes of different levels, and the low-power-consumption modes of different levels correspond to different low-power-consumption programs;
and if the signal link between the display equipment and the display equipment is detected to be restored, starting a corresponding restoration program according to the level of the current low-power-consumption mode so as to realize a normal working state, wherein the low-power-consumption modes of different levels correspond to different restoration programs.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
Preferably, the low power consumption modes preset with different levels include: a primary mode, a secondary mode, and a tertiary mode;
the low-power-consumption program corresponding to the three-level mode comprises the following steps: closing the display sending module of each controller;
the low power consumption program corresponding to the secondary mode comprises the following steps: closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, and closing the decoding module and the display sending module of the slave controller;
the low-power-consumption program corresponding to the primary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, closing the decoding module and the display sending module of the slave controllers, and enabling all the slave controllers to enter a sleep mode.
Preferably, after controlling the display device to be turned off, executing a corresponding low power consumption program according to a level of a low power consumption mode selected by a user includes:
if the level of the low power consumption mode selected by the user is a three-level mode, correspondingly executing the operation of closing the display sending module by each controller;
if the level of the low-power-consumption mode selected by the user is a secondary mode, correspondingly executing the operations of closing the stream receiving module, the transcoding module, the decoding module and the display sending module by the main controller and closing the decoding module and the display sending module by the secondary controller;
and if the level of the low power consumption mode selected by the user is a first-level mode, correspondingly executing the operation that the main controller closes the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers close the decoding module and the display sending module and enter the sleep mode.
Preferably, the low power consumption modes preset with different levels include: a primary mode, a secondary mode, and a tertiary mode;
the recovery program corresponding to the three-level mode comprises the following steps: starting a display sending module of each controller;
the recovery program corresponding to the secondary mode comprises the following steps: starting a stream receiving module, a transcoding module, a decoding module and a display sending module of a master controller, and starting a decoding module and a display sending module of a slave controller;
the recovery program corresponding to the primary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and enabling all the slave controllers to exit the sleep mode and start the decoding module and the display sending module.
Preferably, if it is detected that the signal link between the display device and the display device is restored, starting a corresponding restoration program according to the current level of the low power consumption mode includes:
if the level of the current low-power-consumption mode is a three-level mode, correspondingly executing the operation of starting the display sending module of each controller;
if the level of the current low-power-consumption mode is a secondary mode, correspondingly executing the operations of starting a stream receiving module, a transcoding module, a decoding module and a display sending module by a main controller and starting the decoding module and the display sending module by a secondary controller;
and if the level of the current low-power-consumption mode is a first-level mode, correspondingly executing the operation that the main controller starts the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers quit the sleep mode and start the decoding module and the display sending module.
Preferably, the display device includes an LED display screen, the LED display screen is connected to the decoding device through an LED transmission card, and the method for adjusting the power consumption of the display control system further includes the steps of:
if the signal link between the LED transmitting card and the LED display screen is not smooth, all functional modules of the LED transmitting card are closed, and only a detection process for detecting whether the signal link between the LED transmitting card and the LED display screen is smooth is reserved;
and if the signal link between the detection module and the LED display screen is smooth, starting all functional modules of the LED transmitting card.
The application also provides a device for adjusting the power consumption of the display control system, the display control system comprises a decoding device and a display device, the device for adjusting the power consumption of the display control system is applied to the decoding device, and the device comprises:
the low-power-consumption execution module is used for controlling the display equipment to close and then executing corresponding low-power-consumption programs according to the level of the low-power-consumption mode selected by a user, wherein the decoding equipment is preset with low-power-consumption modes of different levels, and the low-power-consumption modes of different levels correspond to different low-power-consumption programs;
and the recovery module is used for starting a corresponding recovery program according to the level of the current low-power consumption mode when detecting that the signal link between the recovery module and the display equipment is recovered to realize a normal working state, wherein the low-power consumption modes of different levels correspond to different recovery programs.
Preferably, the low power consumption modes preset with different levels include: a primary mode, a secondary mode, and a tertiary mode;
the low-power-consumption program corresponding to the three-level mode comprises the following steps: closing the display sending module of each controller;
the low power consumption program corresponding to the secondary mode comprises: closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, and closing the decoding module and the display sending module of the slave controller;
the low-power-consumption program corresponding to the primary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, closing the decoding module and the display sending module of the slave controllers, and enabling all the slave controllers to enter a sleep mode.
The low-power-consumption execution module controls the display equipment to be closed, and then executes a corresponding low-power-consumption program according to the level of the low-power-consumption mode selected by the user, and executes the following operations:
if the level of the low power consumption mode selected by the user is a three-level mode, correspondingly executing the operation of closing the display sending module by each controller;
if the level of the low-power-consumption mode selected by the user is a secondary mode, correspondingly executing the operations of closing the stream receiving module, the transcoding module, the decoding module and the display sending module by the main controller and closing the decoding module and the display sending module by the secondary controller;
and if the level of the low power consumption mode selected by the user is a first-level mode, correspondingly executing the operation that the main controller closes the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers close the decoding module and the display sending module and enter the sleep mode.
Preferably, the low power consumption modes preset with different levels include: a primary mode, a secondary mode, and a tertiary mode;
the recovery program corresponding to the three-level mode comprises the following steps: starting a display sending module of each controller;
the recovery program corresponding to the secondary mode comprises the following steps: starting a stream receiving module, a transcoding module, a decoding module and a display sending module of a master controller, and starting a decoding module and a display sending module of a slave controller;
the recovery program corresponding to the primary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and enabling all the slave controllers to exit the sleep mode and start the decoding module and the display sending module.
The recovery module starts a corresponding recovery program according to the level of the current low power consumption mode when detecting that the signal link between the recovery module and the display device is recovered, and executes the following operations:
if the level of the current low-power-consumption mode is a three-level mode, correspondingly executing the operation of starting the display sending module of each controller;
if the level of the current low-power mode is a secondary mode, correspondingly executing the operations of starting a stream receiving module, a transcoding module, a decoding module and a display sending module by a main controller and starting the decoding module and the display sending module by a slave controller;
and if the level of the current low-power-consumption mode is a first-level mode, correspondingly executing the operation that the main controller starts the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers quit the sleep mode and start the decoding module and the display sending module.
Preferably, the display device includes an LED display screen, the LED display screen is connected to the decoding device through an LED sending card, and the device for adjusting the power consumption of the display control system further includes an application in the LED sending card:
the function closing module is used for closing all the function modules of the LED sending card when detecting that a signal link between the function modules and the LED display screen is not smooth, and only reserving a detection process for detecting whether the signal link between the function modules and the LED display screen is smooth;
and the function starting module is used for starting all the function modules of the LED transmitting card when a signal link between the LED transmitting card and the LED display screen is detected to be unblocked.
According to the method and the device for adjusting the power consumption of the display and control system, a user is allowed to set the low power consumption mode corresponding to the decoding device according to the self requirement, the decoding device executes the corresponding low power consumption program according to the set low power consumption mode to enter the low power consumption state, and executes the corresponding recovery program according to the set low power consumption mode to quit the low power consumption state and recover the normal working state, on the premise that the recovery performance of the display and control system is within the acceptable range of the user, the power consumption is reduced to the maximum extent, and the power consumption and the recovery performance of the display and control system are effectively balanced.
Drawings
Fig. 1 is a schematic networking diagram of an embodiment of a display control system of the present application;
FIG. 2 is a schematic structural diagram of a decoding device of the present application controlling an LCD tiled screen and an LED display screen;
FIG. 3 is a flowchart of a method for adjusting power consumption of a display control system according to the present application;
fig. 4 is a flowchart of a method for adjusting power consumption of a display control system in embodiment 1 of the present application;
fig. 5 is a flowchart of a method for adjusting power consumption of a display control system in embodiment 2 of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
In one embodiment, a method for adjusting power consumption of a display and control system is provided, which meets the requirements of a user on the power consumption of the display and control system, also considers the performance of recovering normal operation, effectively balances the power consumption and the recovery performance of the display and control system, and improves user experience. In this embodiment, power consumption is understood as power loss of the display control system, and recovery performance is understood as performance evaluation of the display control system recovering normal operation, such as recovery time and recovery integrity.
For the display control system, under the condition that the hardware of the device is normal, all the working services can be completely recovered when the device is started, so the recovery performance is mainly evaluated by the recovery time in the embodiment. Of course, in other embodiments, the evaluation items of the recovery performance may be adjusted according to the needs.
The display control system generally comprises a decoding device and a display device, wherein the decoding device is a hardware/software device capable of decoding and restoring digital audio and video data streams into analog audio and video signals and is a multi-controller (such as a CPU) device, wherein a master controller is used for controlling management and decoding, and a slave controller is only used for decoding; and the display equipment displays corresponding pictures according to the display data of the decoding equipment, such as an LCD splicing screen, an LED display screen and the like.
For convenience of description, the display control system is further described in the present embodiment with an LCD splicing screen and an LED display screen as display devices. The LCD (liquid Crystal display) spliced screen has a Chinese name of a liquid Crystal display, and can be used as a display independently and can be spliced into an oversized screen for use; the LED display screen is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, videos, and the like.
As shown in fig. 1, the schematic diagram of the networking of the display control systems such as the LCD splicing screen, the LED display screen, and the decoding device is shown. The decoding device is connected with the LCD splicing screen (LCD display unit) through a DVI, HDMI or VGA video signal line, and the image data is sent. And between the decoding device and the LED display screen (LED display unit) are: the decoding equipment is connected to the LED sending card through a video signal line, and then connected with the LED sending card and the LED display screen through a network cable to send and display image data.
Meanwhile, the decoding device needs to be connected to the same local area network as the management client and a signal source (such as IPC, NVR and the like), the management client issues an instruction to control the operation of the decoding device, and the decoding device can also directly receive the signal source of the local signal.
After the user sets the timing on-off of the display device at the management client, the decoding device controls the display device to be turned off or on according to the set timing on-off time, as shown in fig. 2, the control principle is as follows:
for the LCD splicing screen, a video line for sending image data is connected between the decoding device and the LCD splicing screen, and another serial line is connected, and a shutdown or startup command sent by the decoding device is transmitted to the LCD splicing screen through the serial line, so that the timing startup and shutdown of the display device are realized.
For the LED display screen, an LED distribution box is connected between the decoding device and the LED display screen, the decoding device is connected with the LED distribution box through a serial port line, a shutdown or startup command issued by the decoding device is transmitted to the LED distribution box through the serial port line, and the LED distribution box controls the LED display screen to be powered on and powered off, so that the display device is turned on and off at regular time.
In order to balance the power consumption of the decoding device after the display device is turned off and the recovery performance of the decoding device after the display device is turned on, as shown in fig. 3, the method for adjusting the power consumption of the display control system provided by this embodiment is implemented in the decoding device, and includes:
and step S1, after the display device is controlled to be closed, executing corresponding low-power-consumption programs according to the levels of the low-power-consumption modes selected by the user, wherein the decoding device is preset with low-power-consumption modes of different levels, and the low-power-consumption modes of different levels correspond to different low-power-consumption programs.
For the decoding apparatus, a master controller (e.g., a master CPU) and a slave controller (e.g., a slave CPU) are included. The main controller comprises a control module, a stream receiving module, a transcoding module, a decoding module and a display sending module, and the slave controller comprises a decoding module and a display sending module.
The stream receiving module is used for obtaining audio and video data streams of a signal source, the transcoding module is used for transcoding the audio and video data streams, the decoding module is used for decoding the transcoded audio and video data streams, the display sending module is used for sending the decoded audio and video data streams to the display device, and the control module can run a process for detecting whether a signal link between the decoding device and the display device is smooth.
It is easy to understand that the service run by the control module includes, but is not limited to, the above processes, the control module is a main control unit in the decoding device, and the service run by the control module further includes, a keep-alive process for managing the client, a timer required for timing the on/off of the client, and the like.
It should be noted that the control module, the stream receiving module, the transcoding module, the decoding module, and the display module in this embodiment are understood as functional modules. The present embodiment focuses on controlling the operation of each module, and does not strictly limit the form or function implementation logic of each module.
When the low power consumption mode is set, configuration information input by a user is received, the level of the currently applicable low power consumption mode is selected from the pre-configured low power consumption modes of different levels according to the configuration information, the low power consumption modes of different levels are correspondingly provided with different low power consumption programs, and the decoding equipment executes the low power consumption programs and enters the corresponding low power consumption state.
In order to facilitate the convenience of the user, the present embodiment provides a separate web interface of the decoding device for the user to input the configuration information, and the input function of the configuration information may also be set by being combined with the management client.
The low power consumption modes of different levels, which are usually configured in advance, have a plurality of levels for the user to select by himself, and the requirements of the user on the power consumption and the recovery performance of the decoding device are balanced. The preset configuration may be a preset configuration that cannot be changed, or a configuration that is pre-defined by a user.
One possible pre-configuration is provided in one embodiment as follows: the preset low power consumption modes with different levels in this embodiment include: a primary mode, a secondary mode, and a tertiary mode.
The low-power-consumption program corresponding to the three-level mode comprises the following steps: and closing the display sending module of each controller.
The low-power consumption program corresponding to the secondary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, and closing the decoding module and the display sending module of the slave controller.
The low-power consumption program corresponding to the primary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, closing the decoding module and the display sending module of the slave controllers, and enabling all the slave controllers to enter a sleep mode.
For the primary mode and the secondary mode, the main difference is whether the slave controller enters the sleep mode, only the functional module of the slave controller is turned off in the secondary mode, at this time, the slave controller is equivalent to the standby state, internal bottom layer software and hardware such as a memory, a program counter and the like of the slave controller may still run in the state, a special power module is needed to maintain the work of the RAM, and the power of the whole machine can be stopped after the slave controller enters the sleep mode, so that the power consumption is remarkably reduced after the slave controller enters the sleep mode.
The embodiment sets three levels of low power consumption modes for the user to select by self, so as to effectively balance the power consumption and the recovery performance of the decoding device. It is easily understood that the selection manner of the three levels of low power consumption modes is only a preferred setting manner provided by the present embodiment, and in other embodiments, the selection manner may be adjusted according to the actual needs of the user, for example, adjusting the modules that are turned off in the low power consumption modes of each level, or increasing or decreasing the selectable levels, or even providing a customized low power consumption mode.
When the decoding equipment recognizes the timing startup and shutdown time set by the user in the management client, the set time is reached, and then an instruction is sent to control the display equipment to be closed, and at the moment, a signal link between the display equipment and the decoding equipment is disconnected.
Since the decoding device directly controls the display device to be turned off, in this embodiment, after the display device is turned off, the decoding device automatically enters a low power consumption state according to the low power consumption mode. In other embodiments, the decoding device may detect that the signal link with the display device is disconnected, and then enter the low power consumption state.
Corresponding to a feasible pre-configuration manner provided by this embodiment, after the decoding device controls the display device to be turned off, the decoding device executes a corresponding low-power-consumption program according to the level of the low-power-consumption mode selected by the user, including:
and if the grade of the low power consumption mode selected by the user is a three-grade mode, correspondingly executing the display sending module with each main controller closed.
If the level of the low-power consumption mode selected by the user is a secondary mode, the corresponding execution main controller closes the stream receiving module, the transcoding module, the decoding module and the display sending module, and the corresponding execution main controller closes the decoding module and the display sending module.
If the level of the low power consumption mode selected by the user is a first-level mode, the corresponding execution main controller closes the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers close the decoding module and the display sending module and enter a sleep mode.
In each low power consumption mode, a control module of the main controller reserves and manages a keep-alive process of the client, a timer required by timing on and off and a detection process for continuously detecting whether a signal link between the main controller and the display device is smooth or not, so that the decoding device can be normally awakened after entering a low power consumption state.
And after the decoding equipment closes the display equipment, executing a corresponding low-power-consumption program to enter a low-power-consumption state, so that the power consumption requirement of a user on the display control system is met. And a plurality of levels of low power consumption modes are set for the user to set by himself, so that the use convenience is improved.
And step S2, if the signal link between the display device and the display device is detected to be restored, starting a corresponding restoration program according to the level of the current low power consumption mode to realize a normal working state, wherein the low power consumption modes of different levels correspond to different restoration programs.
Since the turn-on of the display device is not necessarily controlled by the decoding device, the present embodiment determines whether the decoding device is restored to the normal operating state according to whether the signal link with the display device is detected to be clear.
When the decoding device is in a low power consumption state and is awakened, the corresponding low power consumption program is executed in a reverse direction, namely, the recovery program is executed to complete the awakening, so that the display control system enters a normal working state. The restoration level should generally correspond to the low power consumption program executed when entering the low power consumption mode, but it is not excluded that in case of special need, the low power consumption program and the restoration program do not correspond to the same low power consumption mode, for example, a new thread is additionally opened in the restoration program for reading or restoring data, etc.
For the sake of easy understanding, the present embodiment will be described by taking an example in which the low power consumption program corresponds to the recovery program. In correspondence with the feasible pre-configuration provided in step S1, the recovery procedure provided in the present embodiment is as follows:
the recovery program corresponding to the three-level mode comprises the following steps: and starting the display sending module of each controller.
The recovery program corresponding to the secondary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and starting a decoding module and a display sending module of the slave controller.
The recovery program corresponding to the primary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and enabling all the slave controllers to exit the sleep mode and start the decoding module and the display sending module.
Therefore, after the decoding device detects that the signal link between the decoding device and the display device is restored, a corresponding restoration program is started according to the current level of the low power consumption mode, and the restoration program comprises the following steps:
and if the level of the current low-power-consumption mode is a three-level mode, correspondingly executing the operation of starting the display sending module by each controller.
And if the level of the current low-power-consumption mode is a secondary mode, correspondingly executing the operations of starting the stream receiving module, the transcoding module, the decoding module and the display sending module by the main controller, and starting the decoding module and the display sending module by the secondary controller.
And if the level of the current low-power-consumption mode is a first-level mode, correspondingly executing the operation that the main controller starts the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers quit the sleep mode and start the decoding module and the display sending module.
Through executing the recovery program, each closed functional module when the decoding equipment enters the low power consumption mode is restarted to recover to a normal working state, and because the corresponding execution operations of different low power consumption modes are different, the required recovery time is different, so that the requirements of users on each recovery performance are met, and the user use experience is greatly improved.
For the LCD splicing screen and the LED display screen mentioned in this embodiment, the LCD splicing screen is directly connected to the decoding device, so that the decoding device enters a corresponding low power consumption state after the LCD splicing screen is closed, and power consumption control of the entire display and control system can be achieved. For the LED display screen, the LED display screen is connected to the decoding device through the LED sending card, so the power consumption of the whole display and control system should also consider the power consumption of the LED sending card, and the method for adjusting the power consumption of the display and control system according to the present application includes the power consumption adjustment on the LED sending card in addition to the power consumption adjustment on the decoding device.
In one embodiment, the method for adjusting power consumption of a display control system further includes a power consumption adjusting operation implemented on the LED sending card:
and if the signal link between the detection module and the LED display screen is not smooth, closing all functional modules of the LED sending card, and only keeping the detection process of whether the signal link between the detection module and the LED display screen is smooth or not.
And if the signal link between the detection module and the LED display screen is smooth, starting all functional modules of the LED transmitting card.
The functional module on the LED sending card is a general module of the LED sending card in the prior art, such as a DVI module, an FPGA controller, a two-way gigabit network output module, and the like, and this embodiment only controls the module to be turned on or off, and does not change the implementation and working principle of the module, so that description is not provided here.
In order to balance the power consumption and the recovery performance of the device, the multi-level low-power-consumption mode can be configured for the decoding device, so that a user can select the mode which is most suitable for the user. Thus, the power consumption of the device is controlled, and the recovery performance of the device is guaranteed to be acceptable for users.
The method for adjusting the power consumption of the display control system is further described below by taking a display control system composed of an LCD splicing screen, an LED display screen and a decoding device as an example.
Example 1
As shown in fig. 4, this embodiment is a display control system composed of an LCD splicing screen and a decoding device, and the controller takes a CPU as an example.
If the management client is set with a timing on-off, for example, set to be off at 11 am and to be on at 7 am. Then 11 o' clock evening, the decoding device switches off the LCD splicing screen through the serial port line. At this time, the LCD mosaic screen is in a closed state, and the decoding device recognizes the level of the low power consumption mode selected by the user to perform different operations, and this embodiment includes the following three operations, which respectively correspond to the low power consumption modes of three levels:
1) corresponding to a three-level mode: and closing a display sending module of the decoding device. The decoding device comprises four modules of stream receiving, transcoding, decoding and display sending, and if the display sending module is closed, the decoded video pictures can be stopped to be sent to the LCD splicing screen. The decoding device power consumption is slightly reduced.
2) Corresponding to a two-stage mode: and automatically stopping all services of the decoding equipment, including closing all unnecessary functional modules (namely closing four modules of receiving, transcoding, decoding and sending and displaying) such as all windows, live services, virtual LED services, window frames and the like of the decoding equipment, and only keeping a keep-alive process of a control module and a management client, a timer required by timing on and off and a detection process for continuously detecting whether a video link with an LCD splicing screen is smooth or not. This mode reduces the power consumption of the decoding device by around 25%.
3) Corresponding to a first-level mode: all traffic of the decoding device is automatically stopped, and all slave CPUs except the master CPU of the decoding device enter the sleep mode. At the moment, the slave CPUs enter a low power consumption state, the expected power consumption is only about 20% of that of normal operation, each slave CPU reduces the power consumption by about 80%, and the power consumption of the decoding equipment is greatly reduced.
When 7 LCD concatenation screens in the morning are opened, or when the LCD concatenation screen is opened by artifical urgent at midnight, when the detection process of decoding equipment detects the signal link recovery connection with LCD concatenation screen, carry out corresponding, different recovery operations when the LCD concatenation screen is opened according to the different low-power consumption mode of user selection, including following three kinds, correspond the low-power consumption mode of three rank respectively:
1) corresponding to a three-level mode: and starting a display sending module of the decoding equipment, and enabling all services on the LCD splicing screen to be recovered to be normal within a few seconds.
2) Corresponding to a two-stage mode: all services of the decoding equipment are automatically started, including four modules of starting stream receiving, transcoding, decoding and sending and displaying, so that all services such as a window, a live service, a virtual LED service and a window frame are restarted, and all services on an LCD splicing screen are all recovered to be normal within a dozen of seconds.
3) Corresponding to a first-level mode: all slave CPUs exit sleep mode and automatically enable all services. All services on the LCD splicing screen can be completely recovered to be normal within one or two minutes.
According to the embodiment, a user is allowed to set the low power consumption mode corresponding to the decoding device according to the self requirement, so that the decoding device enters the low power consumption state and recovers the normal working state according to the set low power consumption mode, the power consumption is reduced to the maximum extent in the condition that the recovery performance of the display control system is within the acceptable range of the user, and the power consumption and the recovery performance of the display control system are effectively balanced.
Example 2
As shown in fig. 5, this embodiment is a display control system composed of an LED display screen and a decoding device, the display control system further includes an LED transmitting card connected between the LED display screen and the decoding device, and the controller takes a CPU as an example.
If the management client is set with a timing on-off, for example, set to be off at 11 am and to be on at 7 am. And then a shutdown command issued by the decoding equipment at 11 pm, after the LED distribution box controls the LED display screen to be powered off, the LED transmitting card detects that a signal link between the LED transmitting card and the LED display screen is not communicated, and then closes all unnecessary functional modules such as video signal on the wall, brightness adjustment and the like of the LED transmitting card, including stopping an input port acquisition function, and only remains a detection process for continuously detecting whether the signal link is smooth or not with the LED display screen. The LED transmitter card is expected to reduce power consumption by about 20% at this time.
The decoding device performs different operations according to different modes selected by a user, including the following three modes, which respectively correspond to the low power consumption modes of three levels:
1) corresponding to the three-level mode: and closing a decoding module and a display sending module of the decoding equipment. The decoding device comprises four modules of stream receiving, transcoding, decoding and display sending, if the decoding module and the display sending module are closed, the decoding device does not decode the audio and video data stream, and meanwhile, the data transmission to the LCD splicing screen is stopped. The decoding device power consumption is slightly reduced.
2) Corresponding to a two-stage mode: and automatically stopping all services of the decoding equipment, including closing all unnecessary functional modules (namely closing four modules of receiving, transcoding, decoding and sending and displaying) such as all windows, live services, virtual LED services, window frames and the like of the decoding equipment, and only keeping a keep-alive process of a control module and a management client, a timer required by timing on and off and a detection process for continuously detecting whether a video link with an LED sending card is smooth or not. This mode reduces the power consumption of the decoding device by around 25%.
3) Corresponding to a first-level mode: all traffic of the decoding apparatus is automatically stopped, and all slave CPUs except the master CPU of the decoding apparatus enter a sleep mode. At the moment, the slave CPUs enter a low power consumption state, the expected power consumption is only about 20% of that of normal operation, each slave CPU reduces the power consumption by about 80%, and the power consumption of the decoding equipment is greatly reduced.
When the LED display screen is started up to 7 am or the LED display screen is started up by manual emergency at midnight, and the detection process of the LED transmitting card detects that a video link between the LED transmitting card and the LED display screen is smooth, all the functional modules are started, and all services such as input port acquisition, video signal wall mounting, brightness adjustment and the like are restarted. After restarting, decoding equipment detects that the signal link between the LED transmitting card is unobstructed, and different recovery operations are carried out when the large screen is opened according to different adjusting modes selected by a user, wherein the three recovery operations comprise the following three types and respectively correspond to the low-power-consumption modes of three levels:
1) corresponding to a three-level mode: and starting a decoding module and a display sending module of the decoding equipment, and enabling all services on the LED display screen to be recovered to be normal within a few seconds.
2) Corresponding to a two-stage mode: all services of the decoding equipment are automatically started, including four modules of starting stream receiving, transcoding, decoding and sending and displaying, all services such as a window, a live service, a virtual LED service and a window frame are restarted, and all services on an LED display screen are all recovered to be normal within tens of seconds.
3) Corresponding to a first-level mode: all slave CPUs exit the sleep mode and all services are automatically enabled. All services on the LED display screen can be completely recovered to be normal within one or two minutes.
In this embodiment, in order to balance the power consumption and the recovery performance of the device, a multi-level low power consumption mode is set, and a user selects a mode most suitable for the user according to the requirements of the user on the recovery time and the power consumption of the device. According to different modes selected by a user, different operations are performed when the LED display screen is turned off, including turning off a display sending module of the decoding device, or automatically stopping all services of the decoding device and an LED sending card, or enabling the decoding device to enter a sleep mode from a CPU, so that the power consumption of the device is reduced.
Whether the LED display screen is in an open state is judged by detecting whether a video signal link with the LED display screen is smooth, so that corresponding different recovery operations are carried out according to different modes selected by a user when the LED display screen is opened, including starting a display sending module of decoding equipment, automatically starting the decoding equipment and all services of an LED sending card, exiting from a sleep mode, recovering various services to be normal, and displaying images again.
The signal disconnection between the LED transmitting card and the decoding equipment is realized by stopping the acquisition function of the input port of the LED transmitting card; the signal connection between the LED transmitting card and the decoding equipment is realized by opening the input port acquisition function.
In another embodiment, the present application further provides a device for adjusting power consumption of a display and control system, where the display and control system includes a decoding device and a display device, and the device for adjusting power consumption of the display and control system is applied to the decoding device, and includes:
and the low-power-consumption execution module is used for controlling the display equipment to execute corresponding low-power-consumption programs according to the level of the low-power-consumption mode selected by the user after the display equipment is closed, wherein the decoding equipment is preset with low-power-consumption modes of different levels, and the low-power-consumption modes of different levels correspond to different low-power-consumption programs.
And the recovery module is used for starting a corresponding recovery program according to the level of the current low-power consumption mode when detecting that the signal link between the recovery module and the display equipment is recovered to realize a normal working state, wherein the low-power consumption modes of different levels correspond to different recovery programs.
For specific limitations of the device for adjusting the power consumption of the display and control system, reference may be made to the above limitations of the method for adjusting the power consumption of the display and control system, and details are not described here again. All or part of each module in the device for adjusting the power consumption of the display control system can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor, and can also be stored in a memory in a software form, so that the processor can call and execute operations corresponding to the modules.
Corresponding to the method for adjusting the power consumption of the display and control system, in an implementation manner of this embodiment, the presetting of the low power consumption modes of different levels includes: a primary mode, a secondary mode, and a tertiary mode.
The low-power-consumption program corresponding to the three-level mode comprises the following steps: and closing the display sending module of each controller.
The low power consumption program corresponding to the secondary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, and closing the decoding module and the display sending module of the slave controller.
The low-power-consumption program corresponding to the primary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, closing the decoding module and the display sending module of the slave controllers, and enabling all the slave controllers to enter a sleep mode.
The low-power-consumption execution module controls the display equipment to be closed, and then executes a corresponding low-power-consumption program according to the level of the low-power-consumption mode selected by the user, and executes the following operations:
and if the level of the low power consumption mode selected by the user is a three-level mode, correspondingly executing the operation of closing the display sending module by each controller.
And if the level of the low-power-consumption mode selected by the user is a secondary mode, correspondingly executing the operations of closing the stream receiving module, the transcoding module, the decoding module and the display sending module by the main controller and closing the decoding module and the display sending module by the secondary controller.
And if the level of the low power consumption mode selected by the user is a first-level mode, correspondingly executing the operation that the main controller closes the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers close the decoding module and the display sending module and enter the sleep mode.
In one embodiment, the low power consumption modes preset with different levels include: primary mode, secondary mode, and tertiary mode.
The recovery program corresponding to the three-level mode comprises the following steps: and starting the display sending module of each controller.
The recovery program corresponding to the secondary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and starting a decoding module and a display sending module of the slave controller.
The recovery program corresponding to the primary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and enabling all the slave controllers to exit the sleep mode and start the decoding module and the display sending module.
The recovery module starts a corresponding recovery program according to the level of the current low power consumption mode when detecting that the signal link between the recovery module and the display device is recovered, and executes the following operations:
and if the level of the current low power consumption mode is a three-level mode, correspondingly executing the operation of starting the display sending module by each controller.
And if the level of the current low-power mode is a secondary mode, correspondingly executing the operations of starting the stream receiving module, the transcoding module, the decoding module and the display sending module by the main controller and starting the decoding module and the display sending module by the slave controller.
And if the level of the current low-power-consumption mode is a first-level mode, correspondingly executing the operation that the main controller starts the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers quit the sleep mode and start the decoding module and the display sending module.
In an embodiment, the display device includes an LED display screen, and the LED display screen is connected to the decoding device through an LED sending card, so that the apparatus for adjusting power consumption of a display control system of this embodiment further includes a part applied to the LED sending card, as follows:
and the function closing module is used for closing all the function modules of the LED sending card when the signal link between the function closing module and the LED display screen is not smooth, and only reserving a detection process for detecting whether the signal link between the function closing module and the LED display screen is smooth or not.
And the function starting module is used for starting all the function modules of the LED transmitting card when a signal link between the LED transmitting card and the LED display screen is detected to be unblocked. It should be understood that, although the steps in the flowchart are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least some of the sub-steps or stages of other steps.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a method for adjusting display control system power consumption, display control system includes decoding equipment and display device, its characterized in that, the method for adjusting display control system power consumption is implemented in decoding equipment includes:
after the display equipment is controlled to be closed, executing corresponding low-power-consumption programs according to the level of the low-power-consumption mode selected by a user, wherein the decoding equipment is preset with low-power-consumption modes of different levels, and the low-power-consumption modes of different levels correspond to different low-power-consumption programs;
if the signal link between the display equipment and the display equipment is detected to be connected again, starting a corresponding recovery program according to the level of the current low-power-consumption mode to realize a normal working state, wherein the low-power-consumption modes of different levels correspond to different recovery programs;
the display device comprises an LED display screen, the LED display screen is connected with the decoding device through an LED sending card, and the method for adjusting the power consumption of the display control system further comprises the following steps:
if the signal link between the LED transmitting card and the LED display screen is not smooth, all functional modules of the LED transmitting card are closed, and only a detection process for detecting whether the signal link between the LED transmitting card and the LED display screen is smooth is reserved;
and if the signal link between the detection module and the LED display screen is smooth, starting all functional modules of the LED transmitting card.
2. The method for adjusting power consumption of a display control system according to claim 1, wherein the presetting of low power consumption modes of different levels comprises: a primary mode, a secondary mode, and a tertiary mode;
the low-power-consumption program corresponding to the three-level mode comprises the following steps: closing the display sending module of each controller;
the low power consumption program corresponding to the secondary mode comprises the following steps: closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, and closing the decoding module and the display sending module of the slave controller;
the low-power-consumption program corresponding to the primary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, closing the decoding module and the display sending module of the slave controllers, and enabling all the slave controllers to enter a sleep mode.
3. The method for adjusting power consumption of a display control system according to claim 2, wherein after controlling the display device to be turned off, the method executes a corresponding low power consumption program according to a level of a low power consumption mode selected by a user, and includes:
if the level of the low power consumption mode selected by the user is a three-level mode, correspondingly executing the operation of closing the display sending module by each controller;
if the level of the low-power-consumption mode selected by the user is a secondary mode, correspondingly executing the operations of closing the stream receiving module, the transcoding module, the decoding module and the display sending module by the main controller and closing the decoding module and the display sending module by the secondary controller;
and if the level of the low power consumption mode selected by the user is a first-level mode, correspondingly executing the operation that the main controller closes the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers close the decoding module and the display sending module and enter the sleep mode.
4. The method for adjusting power consumption of a display control system according to claim 1, wherein the presetting of low power consumption modes of different levels comprises: a primary mode, a secondary mode, and a tertiary mode;
the recovery program corresponding to the three-level mode comprises the following steps: starting a display sending module of each controller;
the recovery program corresponding to the secondary mode comprises the following steps: starting a stream receiving module, a transcoding module, a decoding module and a display sending module of a master controller, and starting a decoding module and a display sending module of a slave controller;
the recovery program corresponding to the primary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and enabling all the slave controllers to exit the sleep mode and start the decoding module and the display sending module.
5. The method according to claim 4, wherein if it is detected that the signal link with the display device is restored, starting a corresponding restoration program according to the current level of the low power consumption mode includes:
if the level of the current low-power-consumption mode is a three-level mode, correspondingly executing the operation of starting the display sending module of each controller;
if the level of the current low-power-consumption mode is a secondary mode, correspondingly executing the operations of starting a stream receiving module, a transcoding module, a decoding module and a display sending module by a main controller and starting the decoding module and the display sending module by a secondary controller;
and if the level of the current low-power-consumption mode is a first-level mode, correspondingly executing the operations that the main controller starts the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers exit the sleep mode and start the decoding module and the display sending module.
6. The utility model provides an adjust device that shows control system consumption, it includes decoding equipment and display device to show control system, its characterized in that, adjust the device that shows control system consumption, use decoding equipment includes:
the low-power-consumption execution module is used for controlling the display equipment to close and then executing corresponding low-power-consumption programs according to the level of the low-power-consumption mode selected by a user, wherein the decoding equipment is preset with low-power-consumption modes of different levels, and the low-power-consumption modes of different levels correspond to different low-power-consumption programs;
the recovery module is used for starting a corresponding recovery program according to the level of the current low-power-consumption mode when detecting that the signal link between the recovery module and the display equipment is recovered to realize a normal working state, wherein the low-power-consumption modes of different levels correspond to different recovery programs;
the display device comprises an LED display screen, the LED display screen is connected with the decoding device through an LED sending card, and the device for adjusting the power consumption of the display control system further comprises an application of the LED sending card:
the function closing module is used for closing all the function modules of the LED sending card when detecting that a signal link between the function modules and the LED display screen is not smooth, and only reserving a detection process for detecting whether the signal link between the function modules and the LED display screen is smooth;
and the function starting module is used for starting all the function modules of the LED transmitting card when a signal link between the LED transmitting card and the LED display screen is detected to be unblocked.
7. The apparatus for adjusting power consumption of a display control system according to claim 6, wherein the preset low power consumption modes with different levels comprise: a primary mode, a secondary mode, and a tertiary mode;
the low-power-consumption program corresponding to the three-level mode comprises the following steps: closing the display sending module of each controller;
the low power consumption program corresponding to the secondary mode comprises: closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, and closing the decoding module and the display sending module of the slave controller;
the low-power-consumption program corresponding to the primary mode comprises the following steps: and closing the stream receiving module, the transcoding module, the decoding module and the display sending module of the master controller, closing the decoding module and the display sending module of the slave controllers, and enabling all the slave controllers to enter a sleep mode.
The low-power-consumption execution module controls the display equipment to be closed, and then executes a corresponding low-power-consumption program according to the level of the low-power-consumption mode selected by the user, and executes the following operations:
if the level of the low power consumption mode selected by the user is a three-level mode, correspondingly executing the operation of closing the display sending module by each controller;
if the level of the low-power-consumption mode selected by the user is a secondary mode, correspondingly executing the operations of closing the stream receiving module, the transcoding module, the decoding module and the display sending module by the main controller and closing the decoding module and the display sending module by the secondary controller;
if the level of the low-power consumption mode selected by the user is a first-level mode, correspondingly executing the operation that the main controller closes the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers close the decoding module and the display sending module and enter a sleep mode.
8. The apparatus for adjusting power consumption of a display control system according to claim 6, wherein the preset low power consumption modes with different levels comprise: a primary mode, a secondary mode, and a tertiary mode;
the recovery program corresponding to the three-level mode comprises the following steps: starting a display sending module of each controller;
the recovery program corresponding to the secondary mode comprises the following steps: starting a stream receiving module, a transcoding module, a decoding module and a display sending module of a master controller, and starting a decoding module and a display sending module of a slave controller;
the recovery program corresponding to the primary mode comprises the following steps: and starting a stream receiving module, a transcoding module, a decoding module and a display sending module of the master controller, and enabling all the slave controllers to exit the sleep mode and start the decoding module and the display sending module.
The recovery module starts a corresponding recovery program according to the level of the current low power consumption mode when detecting that the signal link between the recovery module and the display device is recovered, and executes the following operations:
if the level of the current low-power-consumption mode is a three-level mode, correspondingly executing the operation of starting the display sending module of each controller;
if the level of the current low-power-consumption mode is a secondary mode, correspondingly executing the operations of starting a stream receiving module, a transcoding module, a decoding module and a display sending module by a main controller and starting the decoding module and the display sending module by a secondary controller;
and if the level of the current low-power-consumption mode is a first-level mode, correspondingly executing the operation that the main controller starts the stream receiving module, the transcoding module, the decoding module and the display sending module, and all the sub-controllers quit the sleep mode and start the decoding module and the display sending module.
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