CN112037708A - Control system for improving LED display screen and dormancy method and awakening method thereof - Google Patents
Control system for improving LED display screen and dormancy method and awakening method thereof Download PDFInfo
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- CN112037708A CN112037708A CN202010892007.4A CN202010892007A CN112037708A CN 112037708 A CN112037708 A CN 112037708A CN 202010892007 A CN202010892007 A CN 202010892007A CN 112037708 A CN112037708 A CN 112037708A
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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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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a control system of an improved LED display screen, a dormancy method and a wake-up method thereof. Control system of improvement LED display screen, including main control unit and display module assembly, its characterized in that: the main control unit comprises a main control dormancy awakening module, and the display module comprises a module dormancy awakening module; the main control dormancy awakening module receives a dormancy signal and an awakening signal and sends the dormancy signal and the awakening signal to the module dormancy awakening module; and the module dormancy awakening module sends the dormancy signal and the awakening signal to the next module dormancy awakening module of the display module. When the LED display screen is in the dormant state, the power supply of the main control dormant awakening module and the module dormant awakening module is kept, the power supply of the control module, the sub-control module and the display lamp panel is not required to be kept, and the dormant power consumption of the LED display screen is reduced.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to a control system for improving an LED display screen and a dormancy method and a wake-up method thereof.
Background
The LED display screen is an electronic display screen formed by LED lattices, the display content forms of the screen, such as characters, animations, pictures and videos, are changed in time by the red and green lamp beads which are turned on and off, and the display control of the components is carried out through a modular structure.
The LED display screen is mainly divided into a display lamp panel (also called a display module), a control system and a power supply system. The display lamp panel is a screen formed by LED lamp point arrays and emits light, and the plurality of display lamp panel arrays are spliced to form the screen. The control system realizes the conversion of the content displayed on the screen under the on-off condition in the regulation area; the control system comprises a video processor, a sending card, a main control card, a sub-control card, a receiving card and other control units. The power supply system converts the input voltage and current to meet the requirement of the display screen, and comprises a power supply and a power converter. The display module comprises a display lamp panel, a receiving card and a power converter. A plurality of display module assembly arrays splice forms the display screen.
As shown in fig. 1, when an existing LED display screen enters a sleep mode or a standby mode, a video converter receives an external sleep signal and sends a black screen signal to a sending card, the sending card sends the black screen signal to a receiving card in a display module, the receiving card in the display module sends the black screen signal to a receiving card in a next module, each receiving card sends the black screen signal to a driver IC of a display lamp panel, and the driver IC controls an LED lamp on the display lamp panel to stop emitting light, so that the LED display screen stops displaying.
Therefore, when the existing LED display screen is in a dormant state, only the LED lamp on the display lamp panel stops lighting, and the control system and the driving IC on the display lamp panel still keep operating, that is, the power system keeps supplying power to each control unit in the control system and the driving IC on the display lamp panel. This sleep state still consumes a certain amount of power, and the sleep power consumption is still high.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a control system for improving an LED display screen, a dormancy method and a wake-up method thereof according to the defects of the prior art, and solve the problem of high standby dormancy power consumption of the prior LED display screen.
The technical scheme of the invention is realized as follows:
the control system of the improved LED display screen comprises a main control unit and a display module, wherein the main control unit comprises a main control dormancy awakening module, and the display module comprises a module dormancy awakening module;
the main control dormancy awakening module receives a dormancy signal and an awakening signal and sends the dormancy signal and the awakening signal to the module dormancy awakening module;
and the module dormancy awakening module sends the dormancy signal and the awakening signal to the next module dormancy awakening module of the display module.
Furthermore, the main control unit also comprises a main control module and a main control power converter;
the master control dormancy awakening module sends a dormancy signal and an awakening signal to the master control power converter;
the master control power converter is respectively connected with the master control module and the master control dormancy awakening module in a power supply mode.
Furthermore, the display module also comprises a sub-control module, a display lamp panel and a module power converter;
the module dormancy awakening module generates a dormancy signal and an awakening signal to the module power converter;
the module power converter is respectively in power supply connection with the sub-control module, the display lamp panel and the module dormancy awakening module.
Furthermore, the device also comprises an instruction receiver, wherein the instruction receiver receives external sleep signals and wake-up signals, converts the external sleep signals and wake-up signals and sends the converted signals to the main control sleep wake-up module.
The dormancy method of the control system based on the improved LED display screen comprises the following steps:
a) the master control dormancy awakening module receives the dormancy signal and sends the dormancy signal to the master control power converter and the module dormancy awakening module;
b) the module dormancy awakening module generates a dormancy signal to the module power converter and a module dormancy awakening module of the next display module;
c) repeating the step b) for a plurality of times to enable all the module power converters to receive the sleep signals;
d) the main control power supply converter stops supplying power to the main control module after receiving the sleep signal, and the module power supply converter stops supplying power to the sub-control module and the display lamp panel after receiving the sleep signal.
The awakening method of the control system based on the improved LED display screen comprises the following steps:
a) the main control awakening module receives an awakening signal and sends the awakening signal to the main control power converter and the module dormancy awakening module;
b) the module dormancy awakening module generates an awakening signal to the module power converter and a module dormancy awakening module of the next display module;
c) repeating the step b) for a plurality of times to enable all the module power converters to receive the wake-up signals;
d) the main control power supply converter recovers to supply power to the main control module after receiving the wake-up signal, and the module power supply converter recovers to supply power to the sub-control module and the display lamp panel after receiving the wake-up signal.
By adopting the technical scheme, the invention has the beneficial effects that:
(1) when the LED display screen is in a dormant state, the main control power supply converter and the module power supply converter only need to respectively keep supplying power to the main control dormancy awakening module and the module dormancy awakening module, and the control module, the sub-control module and the display lamp panel do not need to keep supplying power, so that the dormant power consumption of the LED display screen is reduced.
(2) The main control dormancy awakening module and the module dormancy awakening module are low-power modules, the low-voltage power supply end of the main control power supply converter is in power supply connection with the main control dormancy awakening module, the low-voltage power supply end of the module power supply converter is in power supply connection with the module dormancy awakening module, and dormancy power consumption of the LED display screen is further reduced.
(3) During dormancy, the main control dormancy awakening module and the module dormancy awakening module keep running, and the LED display screen can be awakened at any time to realize an awakening function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a sleep wake-up system of a conventional LED display screen.
Fig. 2 is a block diagram of the first embodiment.
In fig. 1 and 2, the hollow arrows indicate the transmission direction of the control signal, the solid arrows indicate the transmission direction of the sleep signal or the wake-up signal, and the line arrows indicate the transmission direction of the power supply.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
As shown in fig. 2, a first embodiment of the present invention provides a control system for an improved LED display screen, which includes a main control unit and a display module, wherein the main control unit includes a main control dormancy wakeup module, and the display module includes a module dormancy wakeup module.
And the master control dormancy awakening module receives the dormancy signal and the awakening signal and sends the dormancy signal and the awakening signal to the module dormancy awakening module.
And the module dormancy awakening module sends the dormancy signal and the awakening signal to the next module dormancy awakening module of the display module.
In a first embodiment, the main control unit further includes a main control module and a main control power converter.
And the master control dormancy awakening module sends a dormancy signal and an awakening signal to the master control power converter.
The master control power converter is respectively connected with the master control module and the master control dormancy awakening module in a power supply mode. The main control dormancy awakening module is a low-power module, the main control power converter is provided with a low-voltage power supply end, and the low-voltage power supply end is in power supply connection with the main control dormancy awakening module.
In a first embodiment, the display module further includes a sub-control module, a display lamp panel, and a module power converter.
And the module dormancy awakening module generates a dormancy signal and an awakening signal to the module power converter.
The module power converter is respectively in power supply connection with the sub-control module, the display lamp panel and the module dormancy awakening module. The module dormancy awakening module is a low-power module, the module power converter is provided with a low-voltage power supply end, and the low-voltage power supply end is in power supply connection with the module dormancy awakening module.
In the first embodiment, the system further comprises an instruction receiver, wherein the instruction receiver receives external sleep signals and wake-up signals, and converts and sends the external sleep signals and wake-up signals to the main control sleep-wake-up module. The instruction receiver can be an infrared receiver, and a user can send a sleep signal or a wake-up signal through an infrared remote controller so as to control the LED display screen to sleep or wake up.
And the main control module receives a display control signal of a video source and sends the display control signal to the sub-control modules. The video source can be a computer, a video player, a mobile phone and other equipment; in addition, the main control module can write in an operating system and generate display control signals, and can also read the display control signals stored locally.
And the sub-control module receives the display control signal sent by the main control module and sends the display control signal to the display lamp panel and the next sub-control module of the display module. The display lamp panel displays images according to the display control signal.
It should be noted that the main control unit and the sub-control module are both control units in the control system, and function division and selection are performed according to use requirements, the main control unit may be any one or a combination of a main control card, a controller, and a video processor, and the sub-control module may be any one or a combination of a sending card, a receiving card, and a sub-control card.
The second embodiment provided by the invention is based on the sleep method of the first embodiment, and comprises the following steps:
a) the master control dormancy awakening module receives the dormancy signal and sends the dormancy signal to the master control power converter and the module dormancy awakening module;
b) the module dormancy awakening module generates a dormancy signal to the module power converter and a module dormancy awakening module of the next display module;
c) repeating the step b) for a plurality of times to enable all the module power converters to receive the sleep signals;
d) the main control power supply converter stops supplying power to the main control module after receiving the sleep signal, and the module power supply converter stops supplying power to the sub-control module and the display lamp panel after receiving the sleep signal.
A third embodiment of the present invention provides a wake-up method based on the first embodiment, including the following steps:
a) the main control awakening module receives an awakening signal and sends the awakening signal to the main control power converter and the module dormancy awakening module;
b) the module dormancy awakening module generates an awakening signal to the module power converter and a module dormancy awakening module of the next display module;
c) repeating the step b) for a plurality of times to enable all the module power converters to receive the wake-up signals;
d) the main control power supply converter recovers to supply power to the main control module after receiving the wake-up signal, and the module power supply converter recovers to supply power to the sub-control module and the display lamp panel after receiving the wake-up signal.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. Control system of improvement LED display screen, including main control unit and display module assembly, its characterized in that: the main control unit comprises a main control dormancy awakening module, and the display module comprises a module dormancy awakening module;
the main control dormancy awakening module receives a dormancy signal and an awakening signal and sends the dormancy signal and the awakening signal to the module dormancy awakening module;
and the module dormancy awakening module sends the dormancy signal and the awakening signal to the next module dormancy awakening module of the display module.
2. The control system of the improved LED display screen of claim 1, wherein: the main control unit also comprises a main control module and a main control power converter;
the master control dormancy awakening module sends a dormancy signal and an awakening signal to the master control power converter;
the master control power converter is respectively connected with the master control module and the master control dormancy awakening module in a power supply mode.
3. The control system for the improved LED display screen of claim 2, wherein: the display module also comprises a sub-control module, a display lamp panel and a module power converter;
the module dormancy awakening module generates a dormancy signal and an awakening signal to the module power converter;
the module power converter is respectively in power supply connection with the sub-control module, the display lamp panel and the module dormancy awakening module.
4. The control system of the improved LED display screen of claim 1, wherein: the device also comprises an instruction receiver, wherein the instruction receiver receives external sleep signals and wake-up signals, converts the external sleep signals and wake-up signals and sends the converted signals to the main control sleep wake-up module.
5. The sleep method of the control system of the improved LED display screen based on the claim 3 is characterized by comprising the following steps:
a) the master control dormancy awakening module receives the dormancy signal and sends the dormancy signal to the master control power converter and the module dormancy awakening module;
b) the module dormancy awakening module generates a dormancy signal to the module power converter and a module dormancy awakening module of the next display module;
c) repeating the step b) for a plurality of times to enable all the module power converters to receive the sleep signals;
d) the main control power supply converter stops supplying power to the main control module after receiving the sleep signal, and the module power supply converter stops supplying power to the sub-control module and the display lamp panel after receiving the sleep signal.
6. The method for waking up the control system of the improved LED display screen in claim 3, comprising the following steps:
a) the main control awakening module receives an awakening signal and sends the awakening signal to the main control power converter and the module dormancy awakening module;
b) the module dormancy awakening module generates an awakening signal to the module power converter and a module dormancy awakening module of the next display module;
c) repeating the step b) for a plurality of times to enable all the module power converters to receive the wake-up signals;
d) the main control power supply converter recovers to supply power to the main control module after receiving the wake-up signal, and the module power supply converter recovers to supply power to the sub-control module and the display lamp panel after receiving the wake-up signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010892007.4A CN112037708A (en) | 2020-08-31 | 2020-08-31 | Control system for improving LED display screen and dormancy method and awakening method thereof |
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| CN202010892007.4A CN112037708A (en) | 2020-08-31 | 2020-08-31 | Control system for improving LED display screen and dormancy method and awakening method thereof |
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Cited By (1)
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| CN114967899A (en) * | 2022-06-16 | 2022-08-30 | 西安诺瓦星云科技股份有限公司 | Display control method, display control equipment, display screen and display system |
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Application publication date: 20201204 |