CN110111730A - Display screen kinetic-control system and display screen - Google Patents
Display screen kinetic-control system and display screen Download PDFInfo
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- CN110111730A CN110111730A CN201910543691.2A CN201910543691A CN110111730A CN 110111730 A CN110111730 A CN 110111730A CN 201910543691 A CN201910543691 A CN 201910543691A CN 110111730 A CN110111730 A CN 110111730A
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- pressure stabilizing
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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]
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention relates to a kind of display screen kinetic-control system and display screens, and wherein the system includes: to receive card and the first pressure stabilizing power supply module；Receiving card has the first pin, and the first pin is connect with the enable end of the first pressure stabilizing power supply module, and the power supply output end of the first pressure stabilizing power supply module with the first display module for connecting；Card is received for after receiving display data, detecting in the display data with the presence or absence of for driving the luminous signal of the first display module；When showing that the luminous signal for driving the first display module is not present in data, first control signal is sent to the enable end of the first pressure stabilizing power supply module by the first pin, so that the first pressure stabilizing power supply module stops working, reduce the idling consumption of the first pressure stabilizing power supply module and the first display module, to reduce the waste of electric energy, the first pressure stabilizing power supply mould group is avoided to cause spin manifold temperature to increase in the standby state.
Description
Technical field
The present invention relates to display screen technology fields, more particularly to display screen kinetic-control system and display screen.
Background technique
With LED (Light Emitting Diode, light emitting diode) display technology, large scale integrated circuit and calculating
The high speed development of machine technology, oneself so becomes a kind of emerging display media to LED display, compared to traditional colorful neon light, as
For plain pipe video wall, four color magnetic turning plates etc. show media, LED display is high with brightness, dynamic image display effect is good, failure
Low, less energy consumption, long service life show the advantages such as content multiplicity, the abundant, ratio of performance to price height of display mode and are widely used in
All trades and professions.
It is well known that LED shows that big screen system is spliced by small box one by one at present, power supply mode is a point column
Power supply, i.e., each column are powered using high pressure AC (Alternating Current, alternating current) all the way.That is, cabinet is
Moment power supply, even if not needing to show, can also have stand-by power consumption.It is received in practical application for example, the screen of a 2K
Video source be it is various, do not ensure that full utilization large-size screen monitors, often occur some corner cabinet without display the case where, by
In no display cabinet there are stand-by power consumption, a cabinet stand-by power consumption about in 30W or so, not only cause waste electric energy, also can
Spin manifold temperature is increased, it is inconvenient when display module being caused to be safeguarded.
Summary of the invention
Based on this, it is necessary to provide a kind of display screen kinetic-control system and display screen.
A kind of display screen kinetic-control system in one of the embodiments, characterized by comprising receive card and the
One pressure stabilizing power supply module；The reception card has the first pin, and first pin makes with the first pressure stabilizing power supply module
The connection of energy end, the power supply output end of the first pressure stabilizing power supply module with the first display module for connecting；The reception card is used
In after receiving display data, it whether there is the luminous letter for driving first display module in the detection display data
Number；When the luminous signal for driving first display module is not present in the display data, pass through first pin
First control signal is sent to the enable end of the first pressure stabilizing power supply module, so that the first pressure stabilizing power supply module stops work
Make.
In one of the embodiments, when reception card detects that the display data exist for driving described first
When the luminous signal of display module, the second control is sent to the enable end of the first pressure stabilizing power supply module by first pin
Signal processed, so that the first pressure stabilizing power supply module works.
The first control signal is low level signal in one of the embodiments, and the second control signal is height
Level signal.
The display screen kinetic-control system further includes sending card and the second pressure stabilizing power supply mould in one of the embodiments,
Block, the reception card have the second pin, and second pin is connect with the enable end of the second pressure stabilizing power supply module, described
The power supply output end of second pressure stabilizing power supply module with the second display module for connecting；The sending card is used to block to the reception
Before sending display data, the luminous signal that whether there is in the display data for driving second display module is detected,
When the luminous signal for driving second display module is not present in the display data, first is sent to reception card
Trigger signal；Reception card is for when receiving first trigger signal, by second pin to described second
The enable end of pressure stabilizing power supply module sends the first control signal, so that the second pressure stabilizing power supply module stops working.
The display screen kinetic-control system further includes the second pressure stabilizing power supply module, third in one of the embodiments,
Pressure stabilizing power supply module and sending card, the sending card and receptions card connect, and receptions blocks with third pin, and described the
Three-prong is connect with the enable end of the third pressure stabilizing power supply module, the power supply output end difference of the third pressure stabilizing power supply module
It is connect with the power end of the power end of the first pressure stabilizing power supply module and the second pressure stabilizing power supply module, second pressure stabilizing
The power supply output end of power supply module with the second display module for connecting；Described in the sending card is used to send to reception card
Before showing data, detects in the display data with the presence or absence of the luminous signal for driving second display module, work as institute
Display data are stated when the luminous signal for driving second display module be not present, are triggered to receptions card transmission first
Signal；The reception card is for receiving first trigger signal and detecting that there is no for driving first display
When the luminous signal of mould group, third control letter is sent to the enable end of the third pressure stabilizing power supply module by the third pin
Number, so that the third pressure stabilizing power supply module stops working.
The reception card is also used in detecting the display data believe there is no luminous in one of the embodiments,
Number when, stop sending the display data.
Reception card is also used to when receiving the second trigger signal in one of the embodiments, passes through described the
One pin sends first control signal to the enable end of the first pressure stabilizing power supply module, so that the first pressure stabilizing power supply module
It stops working.
A kind of display screen in one of the embodiments, including described in the first display module and any of the above-described embodiment
Display screen kinetic-control system, the power supply output end of the first pressure stabilizing power supply module connect with first display module.
First display module includes the first lamp bead and the first drive module in one of the embodiments, and described the
The power supply output end of one pressure stabilizing power supply module is connect with the energization input of first drive module, first drive module
Output end connect with first lamp bead.
First display module includes at least one first lamp bead and the first driving mould in one of the embodiments,
The luminescent color of block, each first lamp bead is identical, and the power supply output end of the first pressure stabilizing power supply module and described first drives
The connection of dynamic model block, the output end of first drive module are connect with each first lamp bead respectively.
Above-mentioned display screen kinetic-control system, after being stuck in reception display data by reception, detection, which is shown in data, is
No there are the luminous signals of the first display module, i.e., the first display module need to not need shinny in detection display data, work as detection
When not needing be shinny to the first display module, the first pin output first control signal of card is received, so that the first pressure stabilizing is powered
Module power-off, reduces the idling consumption of the first pressure stabilizing power supply module, to reduce the waste of electric energy, avoids the first pressure stabilizing power supply mould
Group causes spin manifold temperature to increase in the standby state, and due to the enable end fast response time of pressure stabilizing power supply module, even if display
For screen when showing each frame picture, the enable end received signal of pressure stabilizing power supply module is different, will not influence display screen
Normal display.
Detailed description of the invention
Fig. 1 is the structural block diagram of display screen kinetic-control system in one embodiment；
Fig. 2 is the circuit diagram of display screen kinetic-control system in one embodiment；
Fig. 3 is the structural block diagram of display screen kinetic-control system in one embodiment；
Fig. 4 is the structural block diagram of display screen kinetic-control system in another embodiment；
Fig. 5 is the structural block diagram of display screen in one embodiment；
Fig. 6 is the structural block diagram of display screen in another embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term used herein is intended merely to the mesh of description specific embodiment
, it is not intended that in the limitation present invention.
For example, providing a kind of display screen kinetic-control system, comprising: receive card and the first pressure stabilizing power supply module；It is described to connect
Receiving card has the first pin, and first pin is connect with the enable end of the first pressure stabilizing power supply module, first pressure stabilizing
The power supply output end of power supply module with the first display module for connecting；The reception card is for examining after receiving display data
It surveys in the display data with the presence or absence of the luminous signal for driving first display module；When the display data are not deposited
When for driving the luminous signal of first display module, by first pin to the first pressure stabilizing power supply module
Enable end send first control signal so that the first pressure stabilizing power supply module stops working.
Above-mentioned display screen kinetic-control system, after being stuck in reception display data by reception, detection, which is shown in data, is
No there are the luminous signals of the first display module, i.e., the first display module need to not need shinny in detection display data, work as detection
When not needing be shinny to the first display module, the first pin output first control signal of card is received, so that the first pressure stabilizing is powered
Module power-off, the idling consumption for reducing the first pressure stabilizing power supply module and the first display module avoid to reduce the waste of electric energy
First pressure stabilizing power supply mould group causes spin manifold temperature to increase in the standby state, and since the enable end of pressure stabilizing power supply module responds speed
Degree is fast, even if display screen is when showing each frame picture, the enable end received signal of pressure stabilizing power supply module is different, also not
It will affect display screen normally to show.
In one of the embodiments, referring to Fig. 1, providing a kind of display screen kinetic-control system 10, comprising: receive card
100 and the first pressure stabilizing power supply module 210；The reception card has the first pin, and first pin and first pressure stabilizing supply
The enable end of electric module 210 connects, and the power supply output end of the first pressure stabilizing power supply module 210 is used for and the first display module
310 connections；The reception card 100 is for detecting in the display data with the presence or absence of for driving after receiving display data
The luminous signal of first display module 310；When the display data are not present for driving first display module 310
Luminous signal when, by first pin to the enable end of the first pressure stabilizing power supply module 210 send first control believe
Number, so that the first pressure stabilizing power supply module 210 stops working.
It is worth mentioning, the display screen is LED display, and the reception card is LED reception card, also referred to as LED control
Card, receiving card has central processing unit, is equivalent to MCU (Microcontroller Unit, micro-control unit) or FPGA
(Field-Programmable Gate Array, field programmable gate array) chip, have to received display data into
The function of row analysis processing receives card for receiving display specifically, the display data of display screen can be sent in reception card
Data, that is, receiving clamping receipts display screen needs picture data to be shown, and after treatment by display data, is sent to display screen
Drive module, that is, be sent to the first display module so that display screen according to display data shown.
It should be appreciated that the reception card for receiving display data, i.e., the described card that receives is for receiving the aobvious of each frame
Registration evidence, frame are the single width image frames of minimum unit in image animation, that is, show picture, are equivalent to each on cinefilm
Lattice camera lens.As soon as continuous frame forms animation, such as television image specifically, a frame is exactly secondary static picture.We are usually
Say frame number, briefly, the frame number of the picture exactly transmitted in 1 seconds, it is understood that per second for graphics processor
Clock can refresh several times, usually be indicated with fps (Frames Per Second, picture transmission frame number per second).Each frame is all quiet
Image only in extremely rapid succession shows that frame just forms the illusion of movement.High frame per second is available more smooth, more true to nature to be moved
It draws.Frame number each second (fps) is more, and shown movement will be more smooth.For LED display, in general, 30 frame per second is
The display data of 30 frame numbers of transmission per second, it can make display screen smoothness picture.
It should be understood that the reception card is for after receiving display data, detecting to whether there is in the display data
For driving the luminous signal of first display module；When the display data are not present for driving the first display mould
When the luminous signal of group, the first control is sent to the enable end of the first pressure stabilizing power supply module by first pin and is believed
Number, i.e. reception card for after receiving the display data of each frame, can the display data to each frame detect,
Judge with the presence or absence of the luminous signal for driving first display module in the display data of each frame, when showing for a certain frame
When the luminous signal for driving first display module is not present in registration, in the display data display time of the frame
Section sends first control signal to the enable end of the first pressure stabilizing power supply module by first pin, so that described the
One pressure stabilizing power supply module stops working, for example, detecting the first frame after the reception is stuck in the display data for receiving first frame
Display data in the presence or absence of luminous signal for driving first display module, when the first frame shows data not
When in the presence of for driving the luminous signal of first display module, i.e., when the display data of first frame are shown, or receiving
Before clamping receives the display data of next frame, sent by first pin to the enable end of the first pressure stabilizing power supply module
First control signal, so that the first pressure stabilizing power supply module stops working.
Specifically, the power supply output end of the first pressure stabilizing power supply module is connect with first display module, i.e., it is described
First pressure stabilizing power supply module is used to power to the first display module, so that the first display module works.The reception card is for examining
The display data are surveyed with the presence or absence of the luminous signal for driving first display module, i.e., the described reception card is for detecting
The display data of each frame detect described first with the presence or absence of the luminous signal for driving first display module
It is shinny whether the lamp bead in display module needs, when the display data for detecting a certain frame do not need in first display module
Lamp bead it is shinny when, with control the first pressure stabilizing power supply module stop working, it can without to the first display module power, thus
Reduce electric energy loss when the first pressure stabilizing power supply module and standby the first display module.
The reception card sends the first control to the enable end of the first pressure stabilizing power supply module by first pin
Signal, so that the first pressure stabilizing power supply module stops working, specifically, enable end refers to control signal input, being called makes
Energy input terminal (enable), it is an input pin of chip or an input port of circuit, and the only pin swashs
Living, chip could work, that is to say, that when the enable end activation of the first pressure stabilizing power supply module, the first pressure stabilizing power supply module ability work
Make, in the present embodiment, when the enable end of the first pressure stabilizing power supply module receives first control signal, the first pressure stabilizing power supply module
It stops working, in one embodiment, when the first pressure stabilizing power supply module is that high level is effective, the first control signal is
Low level signal；In one embodiment, when the first pressure stabilizing power supply module is that low level is effective, the first control signal
For high level signal.
Specifically, the first pressure stabilizing power supply module, that is, DC (direct current, direct current) power supply module, for exporting
Stable DC, to provide electric energy for the first display module, in one embodiment, the first pressure stabilizing power supply module is used
The pressure stabilizing power supply chip of TLV62130 model.The enable end response speed of pressure stabilizing power supply chip is in nanosecond, fast response time, and
General display screen shows that picture is usually one second 30 frame, i.e., every frame transmission time is about 16.7 milliseconds, in this way, even if display screen
When showing each frame picture, the enable end received signal of pressure stabilizing power supply module is different, will not influence display module
Normal power supply, that is, will not influence display screen and normally show, only need to be to aobvious in addition, when receiving card and being detected to display data
Luminous signal of the registration in is checked, i.e., only needs to carry out the judgement of " 0 " and " 1 ", and the detection used time is also nanosecond, inspection
Surveying the used time can be ignored, i.e., not will cause display screen display exception, therefore, the display screen kinetic-control system of the application is not
It will affect the normal display of display screen.
It should be understood that first display module includes the first drive module and the first lamp bead, the first driving mould
The input terminal of block is connect with the power supply output end of the first pressure stabilizing power supply module, the output end of first drive module and institute
The connection of the first lamp bead is stated, first drive module is for driving first lamp bead；For example, first display module can be with
Refer in display screen all lamp beads an of cabinet and the drive module for driving lamp bead, specifically, the lamp bead can be
A kind of lamp bead of color of a cabinet in display screen, can be the lamp bead of a mould group in display screen, can be display screen
In a mould group a kind of color lamp bead, be also possible to a lamp bead.Specifically, user can set according to actual needs
It sets.
Above-mentioned display screen kinetic-control system, after being stuck in reception display data by reception, detection, which is shown in data, is
No there are the luminous signals of the first display module, i.e., the first display module need to not need shinny in detection display data, work as detection
When not needing be shinny to the first display module, the first pin output first control signal of card is received, so that the first pressure stabilizing is powered
Module power-off reduces the idling consumption of the first pressure stabilizing power supply module and the first display module, that is, reduces the electric energy loss of display screen,
To reduce the waste of electric energy, the first pressure stabilizing power supply mould group is avoided to cause spin manifold temperature to increase in the standby state, and due to steady
The enable end fast response time of power supply module is pressed, even if display screen, when showing each frame picture, pressure stabilizing power supply module enables
It holds received signal different, display screen will not be influenced and normally shown.
In order to enable display screen normally to show, in one of the embodiments, when reception card detects described show
When registration is according to having the luminous signal for driving first display module, by first pin to first pressure stabilizing
The enable end of power supply module sends second control signal, so that the first pressure stabilizing power supply module works.Specifically, the reception
Card needs to detect the display data of each frame, and judges that the display data of each frame whether there is for driving described the
The luminous signal of one display module, that is, detect whether the display data need the first display module shinny, when detecting the presence of
When for driving the luminous signal of first display module, that is, illustrate that the display picture of this frame needs the first display module work
Make, receives card by the second pin and send second control signal to the enable end of the first pressure stabilizing power supply module, so that described
First pressure stabilizing power supply module is powered to first display module, so that display screen is normally shown, is worth mentioning, and described first
It controls signal and second control signal is two opposite signals, i.e., when first control signal is low level signal, described second
Control signal is high level signal；When first control signal is high level signal, the second control signal is low level letter
Number；In one embodiment, when the first pressure stabilizing power supply module is that high level is effective, the first control signal is high level
Signal；In one embodiment, when the first pressure stabilizing power supply module is that low level is effective, the first control signal is low electricity
Ordinary mail number.The first control signal is low level signal in one of the embodiments, and the second control signal is high electricity
Ordinary mail number.
In one of the embodiments, referring to Fig. 2, the first pressure stabilizing power supply module 210 is powered including the first pressure stabilizing
Chip U1 and peripheral circuits, specifically, the power end of the first pressure stabilizing power supply chip U1, for connecting to power supply, the first pressure stabilizing is powered
The enable end of chip is connect with first pin for receiving card, the power supply output end of the first pressure stabilizing power supply chip and described first
Display module connection, specifically, the enable end of the first pressure stabilizing power supply chip i.e. EN pin of the first pressure stabilizing power supply chip, first is steady
The control signal for pressing power supply chip to issue according to card is received, so that whether the first pressure stabilizing power supply chip works, to reduce display
When shielding standby, the electric energy loss of the first pressure stabilizing power supply chip.
In one of the embodiments, referring to Fig. 3, the display screen kinetic-control system 10 further includes sending card
400 and the second pressure stabilizing power supply module 220, the reception card there is the second pin, second pin and second pressure stabilizing supply
The enable end of electric module 220 connects, and the power supply output end of the second pressure stabilizing power supply module is used to connect with the second display module 320
It connects；Before the sending card is used to block transmission display data to the reception, detect in the display data with the presence or absence of for driving
The luminous signal for moving second display module, when there is no the hairs for driving second display module for the display data
When optical signal, blocks to the reception and send the first trigger signal；The reception card is for receiving first trigger signal
When, the first control signal is sent to the enable end of the second pressure stabilizing power supply module by second pin, so that institute
The second pressure stabilizing power supply module is stated to stop working.
It is worth mentioning, sending card has central processing unit, is equivalent to MCU (Microcontroller Unit, microcontroller
Unit) or FPGA (Field-Programmable Gate Array, field programmable gate array) chip, have to aobvious
Registration is according to the function being analyzed and processed, so as to detect to display data.
It is worth mentioning, sending card, which is used to block to the reception, sends display data, for example, it is current that it is received, which to receive card,
Showing the display data of picture, sending card blocks the display data for showing picture for sending next frame to described receive at this time, so that
Display data can continuously be received by receiving card.Specifically, a reception card will receive a cabinet or multiple aobvious in display screen
Show the display data of mould group, if by these data pass through reception card carry out inspection judgement, receive card need to undertake it is larger
Pressure receive the luminous signal that card needs to receive more lamp bead for example, a big screen display system, that is, receive card and need phase
Longer time is detected, it is possible to influencing the normal display of display screen, by the way that sending card is arranged, sending card is used for
Before sending the display data to reception card, first the display data are detected, detecting the display data is
The no luminous signal existed for driving second display module, when sending card detects that there is no be used for the display data
When driving the luminous signal of second display module, first trigger signal is generated, first trigger signal is with institute
It states display data and is sent to reception card together, the reception card is for detecting whether to receive when receiving the display data
First trigger signal, when receiving clamping and receiving the first trigger signal, by second pin to second pressure stabilizing
The enable end of power supply module is sent by the first control signal, so that the second pressure stabilizing power supply module stops working；In this way,
Cooperate to receive to block by setting sending card and display data are detected, the burden for receiving card is reduced, so as to improve inspection
Efficiency is surveyed, preferably show that display screen normally.It should be appreciated that the sending card and the testing principle phase for receiving card
Together, it in the present embodiment, repeats no more.
In one embodiment, the display data include the first display data and the second display data, the first display number
According to for driving the first display module, for the second display data for driving the second display module, sending card is aobvious for detecting second
Registration evidence receives card for detecting the first display data, and the first display data are not present for driving the second display mould
The corresponding luminous signal of block, the second display data are not present for driving the corresponding luminous letter of first display module
Number, even if sending card detection a part display data, reception card detection another part shows data, to avoid receiving card and hair
Card feed detects same display data, to further promote detection efficiency.
In one of the embodiments, when reception card is not received by first trigger signal, by described
Second pin sends second control signal to the enable end of the second pressure stabilizing power supply module, the mould so that second pressure stabilizing is powered
Block work, specifically, the sending card needs to detect the display data of each frame, and judges the display data of each frame
With the presence or absence of for driving the luminous signal of second display module, that is, detect whether the display data need the second display
Mould group is shinny, when detecting the presence of the luminous signal for driving second display module, that is, illustrates the display of this frame
Picture needs the work of the second display module, in this way, being not received by the first touching when reception is clamped the display data for receiving this frame
It signals, receives card by the second pin and send second control signal to the enable end of the first pressure stabilizing power supply module, so that
The second pressure stabilizing power supply module is powered to first display module, so that display screen is normally shown.
In one of the embodiments, when the sending card detects that the display data exist for driving described second
When the luminous signal of display module, block to the reception and send third trigger signal, receptions blocks for receiving described the
When three trigger signals, second control is sent to the enable end of the second pressure stabilizing power supply module by second pin and is believed
Number, so that the second pressure stabilizing power supply module works.In one embodiment, the control of the first trigger signal i.e. first letter
Number, third trigger signal, that is, second control signal, specifically, receiving card is correspondingly connected with by cable and sending card, the hair
When card feed blocks the transmission display data to the reception, corresponding first control signal or second are controlled according to testing result
Signal processed is sent on the second pin for receiving card, so that corresponding control signal is sent to the by receiving the second pin blocked
Two pressure stabilizing power supply modules, so that the second pressure stabilizing power supply module works or stops working, so, it is only necessary to carry out simple signal biography
It is defeated, to further promote the detection efficiency for receiving card.
In order to further decrease the idling consumption of display screen, in one of the embodiments, referring to Fig. 4, the display
Screen kinetic-control system 10 further includes the second pressure stabilizing power supply module 220, third pressure stabilizing power supply module 230 and sending card 400, described
Sending card 400 is connect with reception card 100, and the reception card has third pin, and the third pin and the third are steady
The enable end connection of power supply module 230 is pressed, the power supply output end of the third pressure stabilizing power supply module 230 is steady with described first respectively
Press the power end connection of the power end and the second pressure stabilizing power supply module 220 of power supply module 210, the second pressure stabilizing power supply mould
The power supply output end of block 220 with the second display module 320 for connecting；The sending card 400 is used for 100 hair of reception card
Before sending the display data, detect in the display data with the presence or absence of for driving shining for second display module 320
Signal blocks when the luminous signal for driving second display module 320 is not present in the display data to the reception
100 send the first trigger signal；The reception card 100 is for receiving first trigger signal and detecting that there is no use
When driving the luminous signal of first display module 310, by the third pin to the third pressure stabilizing power supply module
230 enable end sends third and controls signal, so that the third pressure stabilizing power supply module 230 stops working.Specifically, third is steady
Press power supply module 230 power supply output end respectively with the power end of the first pressure stabilizing power supply module 210 and second pressure stabilizing
The power end of power supply module 220 connects, i.e., third pressure stabilizing power supply module 230 is used for the first pressure stabilizing power supply module 210 and second
Pressure stabilizing power supply module 220 provides power supply.
It should be understood that display screen has multiple display modules, each display module is corresponding with a pressure stabilizing power supply module to be connected
It connects, then a pressure stabilizing power supply module would generally be set for the pressure stabilizing power supply module power supply to branch, therefore, described in detecting
Data are shown there is no when the luminous signal of the first display module and the second display module, by receiving the third pin of card to institute
The enable end for stating third pressure stabilizing power supply module sends third control signal, so that the third pressure stabilizing power supply module stops working,
When detecting that the first display module and the second display module do not need be shinny, third pressure stabilizing power supply module is made to stop working, from
And further decrease the electric energy loss of display screen.
In one of the embodiments, when reception card does not receive first trigger signal or exists for driving
When the luminous signal of first display module, sent out by the third pin to the enable end of the third pressure stabilizing power supply module
The 4th control signal is sent, so that the third pressure stabilizing power supply module works.
It is worth mentioning, the third control signal and the 4th control signal are two opposite signals, i.e., when third controls
When signal is low level signal, the 4th control signal is high level signal；When third control signal is high level signal,
The 4th control signal is low level signal；In one embodiment, the third pressure stabilizing power supply module is that high level is effective
When, the third control signal is high level signal；In one embodiment, the third pressure stabilizing power supply module has for low level
When effect, the third control signal is low level signal.The third control signal is low level in one of the embodiments,
Signal, the 4th control signal is high level signal.
For the electric energy loss into a reduction display screen when standby, the reception card is also used in one of the embodiments,
When luminous signal is not present in detecting the display data, stop sending the display data.Specifically, the display
Data are other than including luminous signal, i.e. R, G, B signal further includes LED control signal, such as: clock signal clk latches letter
Number LAT and row selection signal A, B, C etc..That is for display screen when not showing, the transmission of LED control signal still will cause electricity
The loss of energy, in this way, detecting that the display data there is no when luminous signal, stop sending by allowing receive to block when receiving card
The display data, to further decrease the electric energy loss of display screen.
Display module is safeguarded for the ease of user, the reception card is also used in one of the embodiments,
When receiving the second trigger signal, the first control is sent to the enable end of the first pressure stabilizing power supply module by first pin
Signal processed, so that the first pressure stabilizing power supply module stops working.Specifically, second trigger signal can be set by external
It is standby to be sent, such as: keyboard, key etc. are sent out when user needs to safeguard the first display module by external equipment
The second trigger signal is sent, when reception clamping receives second trigger signal, first control of the first pin output
Signal, so that the first pressure stabilizing power supply module stops working, even if the first pressure stabilizing power supply module stops powering to the first display module,
Without powering off to entire display system, hot plugging bring security risk can be effectively prevented, consequently facilitating to display module
Maintenance.
In one embodiment, first display module is the display circuit of a cabinet of display screen, including the cabinet
All lamp beads and driving circuit, i.e., the described first pressure stabilizing power supply module be used for display screen a cabinet display circuit supply
Electricity, the card that receives for detecting the display data with the presence or absence of luminous signal for driving first display module,
It detects the cabinet and whether needs shinny, when cabinet does not need be shinny, receive card by first pin to described first
Pressure stabilizing power supply module sends first control signal, so that the first pressure stabilizing power supply module stops working, i.e., so that first pressure stabilizing
Power supply module stops powering to first display module.This display screen kinetic-control system is suitable for showing big screen system, especially
It is the cabinet for showing corner in big screen system.
In one embodiment, first display module is a display module of display screen, and the reception card is for examining
The display data are surveyed with the presence or absence of the luminous signal for driving first display module, that is, whether detect the display module
Need it is shinny, when the display module does not need be shinny, receive card is powered by first pin to first pressure stabilizing
Module sends first control signal, so that the first pressure stabilizing power supply module stops working, i.e., so that the first pressure stabilizing power supply module
Stop powering to first display module.It should be noted, a display screen is usually spliced by multiple display cabinets, and one
A display cabinet is made of multiple mould groups again, is received card and is only needed to check in the display data with the presence or absence of corresponding display module
Luminous signal, stopped working with controlling corresponding pressure stabilizing power supply module.
In another embodiment, first display module includes at least the first lamp bead and drive module, and described first
The power supply output end of pressure stabilizing power supply module is connect with the energization input of first drive module, each first lamp bead and institute
The output end connection of the first drive module is stated, the luminescent color of each first lamp bead is identical, such as: the first lamp bead is display screen
Red lamp bead；For example, the first lamp bead is the blue lamp bead of display screen, in another example, the first lamp bead is the green lamp bead of display screen,
Branch feeding is carried out by using the lamp bead of the different colours to display screen, when the lamp bead that display screen does not need a certain color is shinny
When, it controls corresponding pressure stabilizing power supply module and stops working, to further decrease the electric energy loss of display screen.
The display screen kinetic-control system includes at least one first pressure stabilizing power supply mould in one of the embodiments,
Block, reception card have at least one first pin, the enable end of each first pressure stabilizing power supply module and one described the
One pin connects one to one, and the power supply output end of each first pressure stabilizing power supply module is used to connect with one first display module
It connects, the card that receives is for detecting the display data with the presence or absence of the luminous signal of the first display module, when the display number
When according to the luminous signal for driving first display module is not present, by corresponding first pin to first pressure stabilizing
The enable end of power supply module sends first control signal, so that the first pressure stabilizing power supply module stops working.
The display screen kinetic-control system includes at least one second pressure stabilizing power supply mould in one of the embodiments,
Block, the reception card have at least one second pin, the enable end of each two pressure stabilizings power supply module and one described second
Pin connects one to one, and the power supply output end of each second pressure stabilizing power supply module is connect with one second display module, institute
Before sending card is stated for blocking transmission display data to the reception, detect in the display data with the presence or absence of described for driving
The luminous signal of second display module, when there is no the luminous signals for driving second display module for the display data
When, block to the reception and sends the first trigger signal；The reception card is for passing through when receiving first trigger signal
Second pin sends the first control signal to the enable end of the second pressure stabilizing power supply module, so that described second is steady
Pressure power supply module stops working.
In one of the embodiments, referring to Fig. 5, providing a kind of display screen 20, including the first display module 310 and on
State display screen kinetic-control system described in any embodiment, the power supply output end 210 of the first pressure stabilizing power supply module with
The first display module connection.
It is aobvious to whether there is first after being stuck in reception display data by reception, in detection display data for above-mentioned display screen
Show the luminous signal of mould group, i.e., the first display module need to not need shinny in detection display data, when detecting the first display mould
When group does not need be shinny, the first pin output first control signal for receiving card is reduced so that the first pressure stabilizing power supply module powers off
The idling consumption of first pressure stabilizing power supply module and the first display module avoids the first pressure stabilizing from powering to reduce the waste of electric energy
Mould group causes spin manifold temperature to increase in the standby state, and due to the enable end fast response time of pressure stabilizing power supply module, even if aobvious
For display screen when showing each frame picture, the enable end received signal of pressure stabilizing power supply module is different, will not influence to show
The normal display of screen.
In order to further decrease display screen it is standby when electric energy loss, in one of the embodiments, referring to Fig. 6, institute
Stating the first display module 310 includes the first lamp bead 311 and the first drive module 312, the confession of the first pressure stabilizing power supply module 210
Electricity output end is connect with the energization input of first drive module 312, the output end of first drive module 312 and institute
State the connection of the first lamp bead 311.Specifically, first drive module 312 is used for the first lamp bead according to display data-driven
311, the first pressure stabilizing power supply module 210 is powered for the first drive module 312, in this way, the first display module 310 is equivalent to display
One mould group of cabinet receives card 100 and detects that display data there is no when the luminous signal of the first lamp bead 311 of driving, are led to
It crosses first pin and sends first control signal to the enable end of the first pressure stabilizing power supply module 310, so that the first pressure stabilizing
Power supply module 310 stops working, and the idling consumption of the first pressure stabilizing power supply module 210 of reduction simultaneously, and makes the first drive module 312
Power-off, reduce the first drive module 312 idling consumption, thus further reduced display screen 20 it is standby when electric energy loss.
First display module includes at least one first lamp bead and the first driving mould in one of the embodiments,
The luminescent color of block, each first lamp bead is identical, and the power supply output end of the first pressure stabilizing power supply module and described first drives
The connection of dynamic model block, the output end of first drive module are connect with each first lamp bead respectively.Specifically, the first lamp bead is
One kind of red lamp bead, blue lamp bead and green lamp bead, first drive module is for driving each first lamp bead, i.e. institute
It states the first drive module to be served only for driving a kind of lamp bead of color, that is to say, that use different drives for the lamp bead of different colours
Dynamic model block, it is possible to understand that, branch feeding is used to the lamp bead of the different colours of display screen, i.e., the lamp bead of each color uses one
Drive module driving receives card and issues first control signal, control then when the lamp bead of color a certain in display screen does not need to shine
It makes corresponding pressure stabilizing power supply module to stop working, reduces the stand-by power consumption of pressure stabilizing power supply module and drive module, with maximized
The awaiting electric energy loss of display screen is reduced, for example, being applied to traffic guidance screen, general traffic guidance screen only needs red lamp bead
Or one of green lamp bead is shinny, in another example, for showing red bottom certificate photo, ground-color portion green lamp bead and blue lamp bead
It does not need shinny；For example, display screen includes three the first display modules, red lamp bead, blue lamp bead and green light are respectively corresponded
Pearl, there are three the quantity of the first pressure stabilizing power supply module, the power supply output end of every one first pressure stabilizing power supply module and one first display
Mould group is corresponding, receives fixture there are three the first pin, and every one first pin is connect with the enable end of pressure stabilizing power supply module, when connecing
When receiving card and detecting that lamp bead without a certain color is shinny, by corresponding first pin to corresponding first pressure stabilizing power supply module
First control signal is issued, so that the first pressure stabilizing power supply module stops working, reduces the idling consumption of the first pressure stabilizing power supply module,
Reduce the electric energy loss of display screen.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of display screen kinetic-control system characterized by comprising receive card and the first pressure stabilizing power supply module；
The reception card has the first pin, and first pin is connect with the enable end of the first pressure stabilizing power supply module, institute
The power supply output end of the first pressure stabilizing power supply module is stated for connecting with the first display module；
The reception card is for detecting in the display data with the presence or absence of for driving described first after receiving display data
The luminous signal of display module；When the luminous signal for driving first display module is not present in the display data,
First control signal is sent to the enable end of the first pressure stabilizing power supply module by first pin, so that described first is steady
Pressure power supply module stops working.
2. display screen kinetic-control system according to claim 1, which is characterized in that described in being detected when reception card
It is steady to described first by first pin when display data have the luminous signal for driving first display module
The enable end of power supply module is pressed to send second control signal, so that the first pressure stabilizing power supply module works.
3. display screen kinetic-control system according to claim 2, which is characterized in that the first control signal is low electricity
Ordinary mail number, the second control signal are high level signal.
4. display screen kinetic-control system according to claim 1, which is characterized in that further include sending card and the second pressure stabilizing
Power supply module, the sending card and receptions card connect, and receptions blocks with the second pin, second pin with it is described
The enable end of second pressure stabilizing power supply module connects, and the power supply output end of the second pressure stabilizing power supply module is used for and the second display mould
Group connection；
Before the sending card is used to block transmission display data to the reception, detect in the display data with the presence or absence of for driving
The luminous signal for moving second display module, when there is no the hairs for driving second display module for the display data
When optical signal, blocks to the reception and send the first trigger signal；The reception card is for receiving first trigger signal
When, the first control signal is sent to the enable end of the second pressure stabilizing power supply module by second pin, so that institute
The second pressure stabilizing power supply module is stated to stop working.
5. display screen kinetic-control system according to claim 1, which is characterized in that further include the second pressure stabilizing power supply mould
Block, third pressure stabilizing power supply module and sending card, the sending card and reception card connect, and the reception card has third pipe
Foot, the third pin are connect with the enable end of the third pressure stabilizing power supply module, the power supply of the third pressure stabilizing power supply module
Output end is connect with the power end of the power end of the first pressure stabilizing power supply module and the second pressure stabilizing power supply module respectively, institute
The power supply output end of the second pressure stabilizing power supply module is stated for connecting with the second display module；
Before the sending card is used to send the display data to reception card, detecting, which whether there is in the display data, is used
In the luminous signal for driving second display module, when the display data are not present for driving second display module
Luminous signal when, to the reception block send the first trigger signal；The reception card is for receiving the first triggering letter
Number and detect when the luminous signal for driving first display module is not present, by the third pin to described
The enable end of third pressure stabilizing power supply module sends third and controls signal, so that the third pressure stabilizing power supply module stops working.
6. according to claim 1 to display screen kinetic-control system described in 5 any one, which is characterized in that the reception card
It is also used in detecting the display data there is no when luminous signal, stopping sends the display data.
7. according to claim 1 to display screen kinetic-control system described in 5 any one, which is characterized in that the reception card
It is also used to when receiving the second trigger signal, is sent out by first pin to the enable end of the first pressure stabilizing power supply module
First control signal is sent, so that the first pressure stabilizing power supply module stops working.
8. a kind of display screen, which is characterized in that shown including the first display module and as described in any one of claim 1 to 7
Display screen kinetic-control system, the power supply output end of the first pressure stabilizing power supply module are connect with first display module.
9. display screen according to claim 8, which is characterized in that first display module includes the first lamp bead and first
The power supply output end of drive module, the first pressure stabilizing power supply module is connect with the energization input of first drive module,
The output end of first drive module is connect with first lamp bead.
10. display screen according to claim 8, which is characterized in that first display module include at least one first
The luminescent color of lamp bead and the first drive module, each first lamp bead is identical, and the power supply of the first pressure stabilizing power supply module is defeated
Outlet is connect with first drive module, and the output end of first drive module is connect with each first lamp bead respectively.
Priority Applications (2)
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| CN201910543691.2A CN110111730B (en) | 2019-06-21 | 2019-06-21 | Display screen dynamic control system and display screen |
| PCT/CN2019/129967 WO2020253213A1 (en) | 2019-06-21 | 2019-12-30 | Display screen dynamic control system and display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543691.2A CN110111730B (en) | 2019-06-21 | 2019-06-21 | Display screen dynamic control system and display screen |
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| CN110111730A true CN110111730A (en) | 2019-08-09 |
| CN110111730B CN110111730B (en) | 2023-08-22 |
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| CN201910543691.2A Active CN110111730B (en) | 2019-06-21 | 2019-06-21 | Display screen dynamic control system and display screen |
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| WO2021109539A1 (en) * | 2019-12-07 | 2021-06-10 | 深圳蓝普科技有限公司 | Led display module, and led display screen and control device therefor |
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| CN110111730B (en) | 2023-08-22 |
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