CN106339063B - A kind of display control circuit and control method - Google Patents
A kind of display control circuit and control method Download PDFInfo
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- CN106339063B CN106339063B CN201610736879.5A CN201610736879A CN106339063B CN 106339063 B CN106339063 B CN 106339063B CN 201610736879 A CN201610736879 A CN 201610736879A CN 106339063 B CN106339063 B CN 106339063B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3218—Monitoring of peripheral devices of display devices
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
- Power Sources (AREA)
Abstract
The present invention provides a kind of display control circuit and control methods: switch unit, controls multiple outer signal interfaces in enabled state or non-enabled state；Micro-control unit, receives the first trigger signal that at least one outer signal interface is selected, and controls the switch unit according to first trigger signal；Voltage and current detecting unit, detection are selected to provide the first current value of the first voltage current parameters of power supply for control circuit under outer signal interface current state；Display unit is coupled to the micro-control unit；Wherein, voltage and current detecting unit exports the first current value of the voltage and current parameter to the micro-control unit, the micro-control unit obtains current first power consumption and control the display unit according to first current value shows first power consumption, wherein, according to the difference of the outer signal interface selected, the value of the first power consumption is different.Switch control can be carried out to each outer signal interface, reach the maximum energy-saving effect of display.
Description
Technical field
The present invention relates to display control technology field, in particular to a kind of display control circuit and control method.
Background technique
With the development that electronic technology and physical material application technology are maked rapid progress, various electronic multimedia products are also obtained
Extensive universal, liquid crystal display also obtained wider application as desktop display type consumption electronic product.Liquid crystal
Show that device is gradually transitions multiplex roles (VGA/AV/DVI/HDMI from previous single face (VGA) and single display function
(MHL)/Displayport/USB ...) and multi-functional (3D/Touch/Free-Sync/Gaming) application display product.
The multi-functional design application of this multiplex roles of liquid crystal display, is bringing connection convenience abundant and ultimate attainment vision for user
While enjoyment, the energy consumption of product is also improved, runs counter to the popularization for advocating green energy-saving products.
In the prior art, although having been realized in electrical equipment with power consumption display unit, for showing that equipment consumes
Electricity, but some interfaces not used cannot be selectively closed off, equipment can not be intuitively understood and connected in distinct interface
Connect the power consumption values under state.
Summary of the invention
The object of the present invention is to provide a kind of display control circuit and control methods, can be to each outer signal
Interface carries out switch control, reaches the maximum energy-saving effect of display.
The embodiment of the invention provides a kind of display control circuits, comprising:
Switch unit, for controlling multiple outer signal interfaces in enabled state or non-enabled state；
Micro-control unit receives the first trigger signal that at least one outer signal interface is selected, according to this first
Trigger signal controls the switch unit；
Voltage and current detecting unit, detection are selected to provide power supply under outer signal interface current state for control circuit
First current value of first voltage current parameters；And
Display unit is coupled to the micro-control unit；
Wherein, which exports first current value of the voltage and current parameter to the microcontroller
Unit, the micro-control unit obtain current first power consumption according to first current value of the voltage and current parameter and control this and show
Show that unit shows first power consumption, wherein according to the difference of the outer signal interface selected, obtain first power consumption
Value it is different.
The embodiment of the invention provides a kind of display control methods, comprising:
The first trigger signal that at least one outer signal interface is selected is received, controls quilt according to first trigger signal
The outer signal interface of selection is in enabled or non-enabled state；
It detects and provides the first voltage electric current ginseng of power supply under the outer signal interface current state selected for control circuit
The first several current values；Current first power consumption is calculated based on first current value, and is shown；Wherein, according to selected
The difference for the outer signal interface selected, the value for obtaining first power consumption are different.
The beneficial effects of the present invention are display control circuit of the invention and control methods, by outer signal
Increase switch unit between interface and micro-control unit, micro-control unit controls switch unit is switched on and off, to control
By selection interface in enabled or non-enabled state, to avoid unnecessary power consumption.Moreover, the present invention is according to outer signal interface
Service condition carried out power consumption calculating, and shown on the display unit, bootable user is according to outside to difference
Different current power consumptions is observed in the selection for connecing signaling interface, to reach the maximumlly amount of saving energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of preferred embodiment of the present invention display control circuit.
Fig. 2 is the flow diagram of preferred embodiment of the present invention display control method.
Fig. 3 is the display schematic diagram of energy consumption of embodiment of the present invention display control unit.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, right hereinafter, referring to the drawings and the embodiments,
Scheme of the present invention is described in further detail.
No matter whether outer signal interface is all constantly in power consumption state in use in the prior art, and the present invention is to avoid
Unnecessary power consumption, in external signaling interface and micro-control unit (Microcontroller Unit；MCU increase switch between)
Unit, micro-control unit controls switch unit are switched on and off, so that control is by selection interface in enabled or non-enabled shape
State.Also, outer signal interface is done a power consumption and shown by the present invention, that is, will pass through the display after switch unit selection interface
The power consumption of device, is calculated by micro-control unit, is then shown on the display unit.In this way, user can be according to working as
Preceding power consumption, flexible choice outer signal interface, to reach the maximumlly amount of saving energy.
The structural schematic diagram of preferred embodiment of the present invention display control circuit is as shown in Figure 1, comprising:
Micro-control unit 101, by least one function of at least one outer signal interface and the outer signal interface
Output to display unit is shown；
The first trigger signal that at least one outer signal interface is selected is received, is opened according to first trigger signal control
Close unit 102；Switch unit 102, for controlling multiple outer signal interfaces in enabled state or non-enabled state；
Can also receive so that the second trigger signal that at least one function of outer signal interface is selected, according to this
The control of two trigger signals is in enabled or non-enabled state by selection function.
Voltage and current detecting unit 103, detection by selection outer signal interface and its selected select under function current state
Second current value of the first voltage current parameters of power supply is provided for control circuit；By the second current value of the voltage and current parameter
Output to the micro-control unit, micro-control unit 101 obtains current according to second current value of the voltage and current parameter
Second power consumption simultaneously controls display unit and shows second power consumption；
Display unit 104 is coupled to the micro-control unit, and current second power consumption is shown.
Wherein, first trigger signal is, so that the signal of enabled state is in by selection outer signal interface, or
So that being in the signal of non-enabled state by selection outer signal interface；Second trigger signal is, so that by selection function
Signal in enabled state, or make the signal that non-enabled state is in by selection function.
From the above, it is seen that display control circuit of the invention, after external power supply exchange input, by AC-DC conversion
Unit 100 converts alternating current to direct current and powers to entire control circuit.Micro-control unit 101 is first by outer signal interface
And the function of interface is shown, is selected for user according to display content.User can pass through the equipment such as remote controler
The function of outer signal interface and interface on display unit 104 is selected, micro-control unit 101 can receive
User the function of external signaling interface and interface is selected after trigger signal, thus control by selection interface and by
Selection function is in enabled or non-enabled state, and is shown on display unit 104.User can also directly pass through choosing
It selects the outer signal interface shown on the display screen in advance and function and generates trigger signal.The specific implementation side of trigger signal
Formula is without limiting.Meanwhile by voltage and current detecting unit 103 detect by selection outer signal interface and its selected select function
The current value of the first voltage current parameters of power supply is provided under energy current state for control circuit, is exported to micro-control unit 101,
Calculated by selection outer signal interface and its selected power consumption selected under function current state by micro-control unit 101,
And it is shown on display unit 104.
In addition, power consumption further includes the power consumption of backlight panel, display unit can will by selection outer signal interface with
And its total power consumption is carried out by the summation of the power consumption of power consumption and backlight panel under selection function current state and is shown.Cause
This, in the embodiment of the present invention,
The voltage and current detecting unit 103 is also detected as panel backlit circuit 105 and provides the second voltage electric current of power supply
The current value of parameter, and the current value of the second voltage current parameters is exported to the micro-control unit, the micro-control unit
Current value according to the second voltage current parameters obtains third power consumption；Wherein, panel backlit circuit 105 includes panel backlit
Driving unit 1051 and panel backlit 1052；
Second power consumption and the third power consumption are carried out read group total by the micro-control unit 101, obtain the display
Device total power consumption, output to display unit 104；
The display unit 104 shows the current total power consumption.
Specifically, the display unit includes image procossing display unit 1041 and energy consumption display control unit 1042；
Described image handles display unit 1041, the outer signal interface and outer signal that micro-control unit is exported
The function of interface carries out image procossing and synthesis, and output is shown to energy consumption display control unit 1042；
The first power consumption that also micro-control unit is exported, the second power consumption or total power consumption carry out image procossing and conjunction
At output is shown to energy consumption display control unit 1042.
MCU is also known as one chip microcomputer (Single Chip Microcomputer) or single-chip microcontroller, is centre
Manage device (Central Process Unit；CPU frequency) and specification do appropriate reduction, and by memory (memory), counter
(Timer), the perimeter interfaces such as USB, A/D conversion, UART, PLC, DMA or even LCD driving circuit are all integrated on a single chip,
The computer of chip-scale is formed, does various combination control for different applications.MCU is mainly used for display in the present invention
The control of control circuit each unit, and the meter according to the service condition of each outer signal interface progress current power consumption
It calculates.Outer signal interface is signal input interface, such as Video Graphics Array (VGA) interface, AV interface, digital visual interface
(DVI), high-definition multimedia interface (HDMI), display interface (Displayport), universal serial bus (USB) interface etc.
Deng.Each outer signal interface has the function of at least one, so not only micro-control unit can control switch unit to the present invention
Be switched on and off, thus control by selection interface in enabled or non-enabled state, and micro-control unit can control by
Selection function is in enabled or non-enabled state.Meanwhile micro-control unit will by selection outer signal interface and its selected select
Power consumption under function current state calculates to be shown on the display unit.According to the outer signal interface selected with
And the difference of function, the value for obtaining power consumption are different, therefore, user can be shown not with flexible choice interface and function
Same power consumption.
Based on same inventive concept, the present invention also provides a kind of display control method, flow diagram such as Fig. 2 institutes
Show, the control method in advance by least one fuction output of at least one outer signal interface and the outer signal interface extremely
Display unit shown, this method further includes,
Step 21 receives the first trigger signal that at least one outer signal interface is selected, according to the first triggering letter
Number outer signal interface that is selected of control is in enabled or non-enabled state；Also receive so that outer signal interface at least one
The second trigger signal that a function is selected is in enabled or non-enabled shape by selection function according to second trigger signal control
State；
The outer signal interface and its selected selects that step 22, detection are selected mention under function current state for control circuit
Second current value of the first voltage current parameters of power supply source；Based on the second current value of the first voltage current parameters
Current second power consumption is calculated, and is shown.
The control method further include be detected as panel backlit circuit provide power supply second voltage current parameters it is current
Value, the current value based on the second voltage current parameters carry out the calculating of current third power consumption；By second power consumption and
The third power consumption carries out read group total, obtains display total power consumption, and show.
Fig. 3 is the display schematic diagram of energy consumption of embodiment of the present invention display control unit.It is controlled as shown in figure 3, being shown in energy consumption
The top half of unit processed includes that outer signal interface VGA, DVI, HDMI, Dispay Port, USB and each interface are corresponding
Function.User has selected the concrete function under which outer signal interface and interface, can be in energy consumption display control unit
On show.By ticking the selected outer signal interface of expression user at external signaling interface and function and connecing
Function under mouthful.User has selected function 1 and function 3 under interface VGA and interface VGA；Also select interface HDMI and
Function 2 and function 4 under interface HDMI；Also select the function 1 and function 4 under interface USB and interface USB.
In the present embodiment, specific implementation are as follows: MCU by outer signal interface VGA, DVI, HDMI, Dispay Port, USB,
And the corresponding fuction output of each interface to energy consumption display control unit is shown.
When user by external signaling interface and function tick indicate the selected outer signal interface of user with
And the function under interface, and then generate the first trigger signal and the second trigger signal, wherein selected interface for VGA, HDMI,
USB and its selected function of selecting is the functions 1 and function 3 of interface VGA, the function 2 and function 4 of interface HDMI, the function of interface USB
Energy 1 and function 4.
When MCU receives the first trigger signal and the second trigger signal, control by selection interface VGA, HDMI, USB with
And its by selection function (function 1 and function 3 of interface VGA, the function 2 and function 4 of interface HDMI, 1 He of function of interface USB
Function 4) it is in enabled state.Specifically: MCU receives the first trigger signal that user selects interface VGA, HDMI, USB, will
After first trigger signal is handled, it is changed into switch control signal, output to switch unit；Switch unit is by micro-control unit
The switch control signal of output controls, and control is in enabled state by selection interface VGA, HDMI, USB；User is received simultaneously
Select the function 1 and function 3 of interface VGA, the function 2 and function 4 of interface HDMI, the second of the function 1 of interface USB and function 4
Trigger signal, after the second trigger signal is handled, control is in enabled state by selection function.That is, of the invention
External signaling interface VGA, HDMI and USB and enabled state is in by selection function under it in embodiment, that is, is in power consumption
State.Other outer signal interfaces DVI, Dispay Port is in non-enabled state, not power consumption.
Under current this application, by the detection of voltage and current detecting unit and the calculating of MCU, what is obtained is selected
Outer signal interface and its selected second power consumption selected under function current state are 28 kilowatt hours (KWh).It is selected external
Signaling interface and its selected select total power consumption that the power consumption under function current state is added with the power consumption of backlight panel
Amount is 888KWh.
That is, control different external connection signaling interface and function are in enabled or non-enabled state, what is obtained is current
Power consumption is different.In this way, user can intuitively understand energy of the display under different external connection signaling interface and function
Consumption value, as needed, the outer signal interface of active accommodation display and the enabled state of function, to reach the maximum of display
Energy-saving effect.
To sum up, the invention has the advantages that
One, increase switch unit, micro-control unit controls switch unit between external signaling interface and micro-control unit
Be switched on and off, so that control is by selection interface in enabled or non-enabled state.So that the outer signal interface not used
Power consumption is not needed.
Two, a power consumption will be done by the function of selection outer signal interface and interface to show, in energy consumption display control list
It is shown in member, user can intuitively understand power consumption values of the display under different external connection signaling interface and function, root
According to needs, the outer signal interface of active accommodation display and the enabled state of function, to reach the maximum energy conservation effect of display
Fruit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (9)
1. a kind of display control circuit characterized by comprising
Switch unit, for controlling multiple outer signal interfaces in enabled state or non-enabled state；
Micro-control unit receives the first trigger signal that at least one outer signal interface is selected, according to first triggering
Signal controls the switch unit；
Voltage and current detecting unit, detection are selected provide power supply under outer signal interface current state for control circuit first
First current value of voltage and current parameter；And
Display unit is coupled to the micro-control unit；
Wherein, which exports first current value of the voltage and current parameter to the microcontroller list
Member, the micro-control unit obtain current first power consumption according to first current value of the voltage and current parameter and control the display
Unit shows first power consumption, wherein according to the difference of the outer signal interface selected, obtains first power consumption
Value is different；
The voltage and current detecting unit, also detection are selected outer signal interface and are control under selection function current state
Circuit processed provides the second current value of the first voltage current parameters of power supply；The micro-control unit, also according to the first voltage
Second current value of current parameters, which obtains current second power consumption and controls the display unit, shows second power consumption；Wherein,
The value of second power consumption is not equal to the value of first power consumption.
2. display control circuit as described in claim 1, which is characterized in that
The micro-control unit is also used at least one function by least one outer signal interface and the outer signal interface
It can export to the display unit and be shown；
It receives so that the second trigger signal that at least one function of outer signal interface is selected, according to second trigger signal
Control is in enabled or non-enabled state by selection function.
3. display control circuit as claimed in claim 2, which is characterized in that the voltage and current detecting unit also detects
The current value of the second voltage current parameters of power supply, and working as the second voltage current parameters, are provided for panel backlit circuit
Preceding value output to the micro-control unit, micro-control unit obtains third consumption according to the current value of the second voltage current parameters
Electricity；
Second power consumption and the third power consumption are carried out read group total by the micro-control unit, obtain the total power consumption of the display
Amount, output to the display unit；
The display unit shows current total power consumption.
4. display control circuit as described in claim 1, which is characterized in that the outer signal interface at least includes: view
Frequency graphic array USB interface, digital visual interface DVI, high-definition multimedia interface HDMI, display interface Displayport,
Any one interface in general-purpose serial bus USB interface.
5. display control circuit as claimed in claim 2, which is characterized in that first trigger signal is, so that selected
The signal that outer signal interface is in enabled state is selected, or makes the letter for being selected outer signal interface to be in non-enabled state
Number；Second trigger signal is so that being in the signal of enabled state by selection function, or to be in by selection function
The signal of non-enabled state.
6. display control circuit as claimed in claim 3, which is characterized in that the display unit includes that image procossing is aobvious
Show unit and energy consumption display control unit；
Described image handles display unit, multiple outer signal interface which is exported and multiple outer
The function of connecing signaling interface carries out image procossing and synthesis, and output is shown to the energy consumption display control unit；
First power consumption, second power consumption or total power consumption that also the micro-control unit is exported carry out image procossing
And synthesis, output are shown to the energy consumption display control unit.
7. a kind of display control method, which is characterized in that the control method includes,
The first trigger signal that at least one outer signal interface is selected is received, is selected according to first trigger signal control
Outer signal interface be in enabled or non-enabled state；
It detects and provides the first voltage current parameters of power supply under the outer signal interface current state selected for control circuit
First current value；Current first power consumption is calculated based on first current value, and is shown；Wherein, according to being selected
The difference of outer signal interface, the value for obtaining first power consumption are different；
The control method further includes detecting the outer signal interface selected and is control under selection function current state
Circuit provides the second current value of the first voltage current parameters of power supply；Current second consumption is calculated based on second current value
Electricity, and shown；Wherein, the value of second power consumption is not equal to the value of first power consumption.
8. display control method as claimed in claim 7, which is characterized in that
The control method further includes, by least one outer signal interface and at least one function of the outer signal interface
It can export to display unit and be shown；
It receives so that the second trigger signal that at least one function of outer signal interface is selected, according to second trigger signal
Control is in enabled or non-enabled state by selection function.
9. display control method as claimed in claim 8, which is characterized in that the control method further includes being detected as face
Backboard optical circuit provides the current value of the second voltage current parameters of power supply, the current value based on the second voltage current parameters
Carry out the calculating of current third power consumption；
Second power consumption and the third power consumption are subjected to read group total, obtain display total power consumption, and show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736879.5A CN106339063B (en) | 2016-08-26 | 2016-08-26 | A kind of display control circuit and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736879.5A CN106339063B (en) | 2016-08-26 | 2016-08-26 | A kind of display control circuit and control method |
Publications (2)
| Publication Number | Publication Date |
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| CN106339063A CN106339063A (en) | 2017-01-18 |
| CN106339063B true CN106339063B (en) | 2019-04-23 |
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| CN201610736879.5A Expired - Fee Related CN106339063B (en) | 2016-08-26 | 2016-08-26 | A kind of display control circuit and control method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994012969A1 (en) * | 1992-12-02 | 1994-06-09 | Oakleigh Systems, Inc. | Low-power-consumption monitor standby system |
| CN101551988A (en) * | 2008-03-31 | 2009-10-07 | 神基科技股份有限公司 | Method for operating display in DPMS mode |
| CN102867501A (en) * | 2011-07-08 | 2013-01-09 | 三星电子株式会社 | Image display apparatus and method for controlling the image display apparatus |
| CN102957883A (en) * | 2011-08-25 | 2013-03-06 | 三星电子株式会社 | Control method and display apparatus for managing system power |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8428255B2 (en) * | 2009-12-17 | 2013-04-23 | Analog Devices, Inc. | Selective switching between data sources |
-
2016
- 2016-08-26 CN CN201610736879.5A patent/CN106339063B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994012969A1 (en) * | 1992-12-02 | 1994-06-09 | Oakleigh Systems, Inc. | Low-power-consumption monitor standby system |
| CN101551988A (en) * | 2008-03-31 | 2009-10-07 | 神基科技股份有限公司 | Method for operating display in DPMS mode |
| CN102867501A (en) * | 2011-07-08 | 2013-01-09 | 三星电子株式会社 | Image display apparatus and method for controlling the image display apparatus |
| CN102957883A (en) * | 2011-08-25 | 2013-03-06 | 三星电子株式会社 | Control method and display apparatus for managing system power |
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| CN106339063A (en) | 2017-01-18 |
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