CN106888396A - One kind separates TV control circuit, method and separates TV - Google Patents
One kind separates TV control circuit, method and separates TV Download PDFInfo
- Publication number
- CN106888396A CN106888396A CN201710035897.5A CN201710035897A CN106888396A CN 106888396 A CN106888396 A CN 106888396A CN 201710035897 A CN201710035897 A CN 201710035897A CN 106888396 A CN106888396 A CN 106888396A
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- CN
- China
- Prior art keywords
- screen
- circuit
- separation
- control signal
- playback equipment
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
- H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42208—Display device provided on the remote control
Abstract
Disclosure is a kind of to be separated TV control circuit, method and separates TV, separation TV control circuit is applied in separation TV, the separation TV includes the screen and external playback equipment that are electrically connected to each other, separation TV control circuit disclosed in the present application is installed in the screen, and is electrically connected with the processor in the screen.The separation TV control circuit is in the case where the disconnection of the electrical connection between external playback equipment and screen is detected, the first screen control signal exported by processor controls screen, detecting in the case that the electrical connection between external playback equipment and screen do not disconnect, the second screen control signal exported by external playback equipment controls screen.By scheme disclosed in the embodiment of the present application, after solving electrical connection disconnection in the prior art between external broadcasting setting and screen, it is impossible to the problem that the screen to separating TV is controlled.
Description
Technical field
The present embodiments relate to separate TV technology, more particularly to it is a kind of separate TV control circuit, method and
Separate TV.
Background technology
It is a kind of tv product emerging in recent years, structural representation shown in Figure 1, the separation electricity to separate TV
Constituted with external playback equipment 20 (such as main frame or Set Top Box) depending on the screen 10 by separate.When using TV is separated, generally
The screen and external playback equipment are connected using interface line.Wherein, the external playback equipment is used for each road TV signal
Processed, then by interface line by the television signal transmission after treatment to screen, by the corresponding content of screen display.
In addition, in the prior art, being controlled to the screen for separating TV by external playback equipment.Wherein, when need
When the screen of TV to be separated enters holding state, the external playback equipment produces off signal according to the operation of user, and
Off signal is transmitted to screen by interface line, after the off signal is received, screen enters holding state；Work as needs
When the screen for separating TV enters working condition, the external playback equipment produces starting-up signal in the case where user operates, and passes through
Interface line transmits to screen starting-up signal, and after the starting-up signal is received, screen enters working condition.
But, inventor has found in the research process of the application, separates TV in use, external broadcasting sometimes
Connection between equipment and screen can disconnect, and lead to not be controlled the state of screen.For example, external playback equipment with
After connection between screen disconnects, due to that cannot be begun to screen transmission off signal, therefore screen by external playback equipment
It is in running order eventually, it is impossible to enter holding state；Or, screen directly enters after not connected external playback equipment is detected
Enter holding state, in this case, then screen cannot be made to enter working condition, it is impossible to which the state to screen is controlled.
The content of the invention
To overcome problem present in correlation technique, the embodiment of the present application to provide a kind of TV that separates and control circuit, method
And separate TV.
In order to solve the above-mentioned technical problem, the embodiment of the present application discloses following technical scheme：
According to the first aspect of the embodiment of the present application, there is provided one kind separates TV control circuit, is applied in separation TV,
The TV that separates includes the screen and external playback equipment that are electrically connected to each other, and the separation TV control circuit is installed on described
In screen, and electrically connected with the processor in the screen；
The separation TV control circuit is used to detect that the electrical connection between the external playback equipment and the screen is
No disconnection, and the first screen control signal for being exported by the processor in a case of yes controls the screen, Yi Ji
The second screen control signal exported by the external playback equipment in the case of no controls the screen.
Optionally, the separation TV control circuit includes：Detection sub-circuit and selection sub-circuit；
The first input end of the selection sub-circuit is used to receive first screen control signal, and the second input is used for
Receive second screen control signal；
It is described to detect that sub-circuit is used to detect whether the electrical connection between the external playback equipment and the screen disconnects,
And in a case of yes to the 3rd input first level of output of the selection sub-circuit, and in a case of no to described
Select the 3rd input output second electrical level of sub-circuit；
The selection sub-circuit is used to, when first level is received, export first screen control signal, with
And when the second electrical level is received, export second screen control signal.
Optionally, the selection sub-circuit is switch selection chip.
Optionally, the separation TV control circuit also includes：
Filtering sub-circuit, for being filtered to first screen control signal and/or second screen control signal
Ripple.
Optionally, the separation TV control circuit also includes：
Level conversion sub-circuit, for entering to first screen control signal and/or second screen control signal
Line level is changed.
Optionally, the TV control circuit that separates is used to control the backlight electric power of the screen.
According to the second aspect of the embodiment of the present application, there is provided one kind separates TV control method, it is applied in separation TV,
The TV that separates includes the screen and external playback equipment that are electrically connected to each other, and the separation TV control method includes：
Detect whether the electrical connection between the external playback equipment and the screen disconnects；
The first screen control signal for being exported by the processor being installed in the screen in a case of yes controls institute
Screen is stated, and in a case of no, the second screen control signal exported by the external playback equipment controls the screen
Curtain.
Optionally, before the screen is controlled, also include：
First screen control signal and/or second screen control signal are filtered.
Optionally, before the screen is controlled, also include：
Level conversion is carried out to first screen control signal and/or second screen control signal.
According to the third aspect of the embodiment of the present application, there is provided one kind separates TV, including the screen being electrically connected to each other and outer
Playback equipment is connect, the separation TV described in the interior first aspect installed just like the embodiment of the present application of the screen controls circuit and place
Reason device.
The technical scheme that embodiments herein is provided can include the following benefits：
The embodiment of the present application discloses a kind of TV that separates and controls circuit, method and be provided with separation TV control circuit
Separate TV, separation TV control circuit is applied to separate in TV, the separation TV include the screen that is electrically connected to each other and
External playback equipment, separation TV disclosed in the present application control circuit is installed in the screen, and with the screen in place
Reason device electrical connection.It is described to separate the feelings that TV control circuit disconnects in the electrical connection detected between external playback equipment and screen
Under condition, the first screen control signal exported by processor controls screen, is detecting between external playback equipment and screen
Electrical connection do not disconnect in the case of, the second screen control signal exported by external playback equipment controls screen.By this
Scheme disclosed in application embodiment, solves in the prior art after the external electrical connection played between setting and screen disconnects,
The problem that the screen of separation TV cannot be controlled.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The application can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets implementation of the invention
Example, and be used to explain principle of the invention together with specification.
Fig. 1 is a kind of structural representation of the separation TV according to prior art；
Fig. 2 is a kind of structural representation of the separation TV according to the exemplary embodiment of the application one；
Fig. 3 is a kind of structured flowchart of the separation TV control circuit according to the exemplary embodiment of the application one；
Fig. 4 is the selection sub-circuit in a kind of separation TV control circuit according to the exemplary embodiment of the application one
Structural representation；
Fig. 5 is the structural representation of another the separation TV control circuit according to the exemplary embodiment of the application one
Figure；
Fig. 6 is the structural representation of another the separation TV control circuit according to the exemplary embodiment of the application one
Figure；
Fig. 7 is that a kind of workflow of the separation TV control method according to the exemplary embodiment of the application one is illustrated
Figure.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent and the consistent all implementation methods of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
The embodiment of the present application discloses a kind of TV that separates and controls circuit, method and separate TV, to solve in the prior art,
After connection between external playback equipment and screen disconnects, it is impossible to the problem that the screen to separating TV is controlled.
The first embodiment of the application disclose it is a kind of separate TV control circuit, separation TV control circuit is applied to point
In TV, wherein, the TV that separates includes the screen and external playback equipment that are electrically connected to each other.Screen shown in Figure 2
The structural representation of curtain, separation TV disclosed in the present application control circuit is installed in the screen, and with the screen in
Processor is electrically connected.
The separation TV control circuit is used to detect that the electrical connection between the external playback equipment and the screen is
No disconnection, and the first screen control signal for being exported by the processor in a case of yes controls the screen, Yi Ji
The second screen control signal exported by the external playback equipment in the case of no controls the screen.
If that is, when external playback equipment is not electrically connected with screen, by installed in the place separated in TV
Reason device control screen.Wherein, the first screen control signal of the processor output includes off signal and starting-up signal.It is this
In the case of, if the first screen control signal that screen is received is off signal, the screen enters holding state, if screen
The first screen control signal for receiving is starting-up signal, then the screen enters working condition.
If in addition, when being electrically connected between external playback equipment and screen, screen is controlled by the external playback equipment.
Wherein, the second screen control signal of the external playback equipment output includes off signal and starting-up signal.In this case,
If the second screen control signal that screen is received is off signal, the screen enters holding state, if screen is received
The second screen control signal be starting-up signal, then the screen enter working condition.
The embodiment of the present application discloses a kind of TV that separates and controls circuit, separation TV control circuit to be applied to separate TV
In, the separation TV includes the screen and external playback equipment that are electrically connected to each other, and the embodiment of the present application is disclosed to separate TV control
Circuit processed is installed in the screen, and is electrically connected with the processor in the screen.The separation TV control circuit is in inspection
In the case of measuring the electrical connection disconnection between external playback equipment and screen, the first screen control exported by processor is believed
Number control screen, is detecting in the case that the electrical connection between external playback equipment and screen do not disconnect, by external broadcasting
The second screen control signal control screen of equipment output.Circuit, solution are controlled by separating TV disclosed in the embodiment of the present application
After the electrical connection in the prior art between external broadcasting setting and screen of having determined disconnects, it is impossible to which the screen to separating TV is carried out
The problem of control.
Particularly, in order to meet the viewing demand of user, separate that the screen of TV generally sets at present is larger, therefore work(
Consumption is higher.In the prior art, after the electrical connection between external playback equipment and screen disconnects, if due to that cannot enter to screen
Row control, screen is in running order all the time, can waste mass energy.And use the disclosed separation TV control of the embodiment of the present application
Circuit processed, can be controlled after the disconnection of the electrical connection between external playback equipment and screen by the processor installed in screen
Screen, so as to avoid the waste of the energy.
In addition, in the prior art, screen is after not connected external playback equipment is detected, it is also possible to be directly entered standby
State, that is, shut down, but it is direct current shutdown or ac dump, user's body that this way makes user to tell this shutdown
Test poor.Wherein, ac dump refers to the general supply that cut-out separates TV, and in this case, the whole TV that separates does not exist
In working condition, need to open general supply to start, and touch-control remote controller does not work.Direct current shutdown refers to turning off separation
The backlight electric power of TV, but the power supply of remote control part still works, and in this case, can be started shooting by remote control.And
Circuit is controlled by separating TV disclosed in the embodiment of the present application, the electrical connection between external playback equipment and screen disconnects it
Afterwards, user can be controlled by manipulating processor to screen, the mode of this shutdown be determined, so as to improve Consumer's Experience.
In the embodiment of the present application, the TV control circuit that separates is used to control the backlight electric power of the screen.Wherein, if
First screen control signal or the second screen control signal are starting-up signal, then open the backlight electric power of the screen, from
And screen is lighted, screen is entered working condition；If first screen control signal or the second screen control signal are shutdown
Signal, then close the backlight electric power of the screen, so that screen enters holding state.
Further, the structured flowchart for separating TV control circuit shown in Figure 3, wherein, the separation TV control
Circuit processed includes：Detection sub-circuit 100 and selection sub-circuit 200.
Wherein, the first input end of the selection sub-circuit 200 is used to receive first screen control signal, and second is defeated
Enter end for receiving second screen control signal；
The detection sub-circuit 100 is used to detect whether the electrical connection between the external playback equipment and the screen breaks
Open, and in a case of yes to the 3rd input first level of output of the selection sub-circuit 200, and in a case of no
Second electrical level is exported to the 3rd input of the selection sub-circuit 200；
The selection sub-circuit 200 is used to, when first level is received, export first screen control signal,
And when the second electrical level is received, export second screen control signal.
Specifically, the first input end of the selection sub-circuit 200 is electrically connected with the processor in screen, and
And, in the case that the electrical connection between external playback equipment and screen does not disconnect, the second input of the selection sub-circuit 200
End electrically connects with the external playback equipment.
Wherein, the selection sub-circuit can be switch selection chip, and certainly, the selection sub-circuit can also be other
The logic chip of form, the application is not limited this.
As an example, the structural representation of selection sub-circuit shown in Figure 4, in the example, the selection sub-circuit
It is switch selection chip N1.Wherein, the first input end of the selection sub-circuit is first pin of switch selection chip N1, should
First pin is electrically connected with processor.Second input of the selection sub-circuit is the three-prong of switch selection chip N1,
In the case that the electrical connection between external playback equipment and screen does not disconnect, three-prong is electrically connected with the external playback equipment
Connect.
In addition, the 3rd input of the selection sub-circuit is the 6th pin of switch selection chip N1.If the 6th pipe
Pin receives the first level, then export the first screen control signal by the 4th pin；If the 6th pin receives second electrical level,
The second screen control signal is then exported by the 4th pin.
Further, in the selection sub-circuit shown in Fig. 4, the second pin is generally used for ground connection, and the 5th pin is used to connect
The power supply of the selection sub-circuit.Power panel is provided with TV is separated, the commonly provided power supply all the way of the power panel
As backlight electric power, the opening and closing of backlight electric power are controlled by the first screen control signal and the second screen control signal,
So as to realize the control to screen.In addition, the power panel generally also provides in addition power supply alternatively sub-circuit all the way
Power supply.
In separation TV control circuit disclosed in the present application, the detection sub-circuit includes the first triode.Wherein, should
The grounded emitter of the first triode, the colelctor electrode of first triode power supply respectively with first triode and institute
The 3rd input of selection sub-circuit is stated, i.e. the 6th pin is connected.If also, between external playback equipment and the screen
Electrical connection is not disconnected, and the base stage of first triode is electrically connected with the external playback equipment, then the base stage of the first triode connects
The voltage for entering is high level, and the first triode ON in this case, switchs the 6th pin ground connection of selection chip N1, described
The level of the 6th pin is pulled low, and the of the output signal of the 4th pin of switch selection chip N1 and switch selection chip N1
The input signal of three-prong (selecting the second input of sub-circuit) is identical, and screen is controlled by external playback equipment.If in addition,
Electrical connection between external playback equipment and the screen disconnects, and the base voltage of first triode is hanging, then and the one three
Pole pipe is in cut-off state, and in this case, the level at the 6th pin of switch selection chip N1 is drawn high, switch selection core
The output signal of the 4th pin of piece N1 selects first pin (selecting the first input end of sub-circuit) of chip N1 with switch
Input signal it is identical, screen is by processor control.
In addition, in separation TV control circuit disclosed in the present application, the power supply of first triode can be separation
The independent power supply that the power panel set in TV is provided, or, first triode can also be total to selection sub-circuit
With with power supply all the way.
In addition, shown in Figure 5 separates the schematic diagram that TV controls circuit, the detection sub-circuit includes the one or three pole
Pipe V1, in addition, also including：First electric capacity C1, first resistor R1, second resistance R2 and 3rd resistor R3.
If the electrical connection between external playback equipment and the screen does not disconnect, the base stage of the first triode V1 passes through port
VCC_BOX is connected with external playback equipment, also, selection sub-circuit includes switch selection chip N1, switch selection chip
First pin of N1 is connected with processor, and three-prong is used to be connected with external playback equipment, the letter of the 4th pin output
Number for controlling screen.
Wherein, first pin of switch selection chip N1 is connected with processor, is capable of the output signal of receiving processor
(PWR_ON/OFF_MCU), the three-prong of switch selection chip N1 is connected with external playback equipment, can receive external broadcasting
Put the output signal (PWR_ON/OFF_BOX) of equipment.4th pin of switch selection chip N1 is by output signal (PW_ON/
OFF the switch that backlight electric power is controlled to the backlight electric power of screen) is transmitted.
And the state of the output signal of the 4th pin is determined by the level signal that the 6th pin (i.e. the 3rd input) is received.
When the 6th pin receive for the first level signal when, the output signal of the 4th pin receives the first screen for three-prong
Control signal, backlight electric power is controlled by the first screen control signal；When the 6th pin receive for second electrical level signal when,
The output signal of the 4th pin is the second screen control signal that the first pin is received, and is controlled by the second screen control signal
Backlight electric power.
In addition, the second end ground connection of the first electric capacity C1, if the electrical connection between external playback equipment and screen is not broken
Open, the first end of the first electric capacity C1 is connected by port VCC_BOX with the external playback equipment.
The first end of the first resistor R1 is connected with the first end of the first electric capacity C1, the first resistor R1's
Second end is connected with the base electrode of first triode.
The first end of the second resistance R2 is connected with the power supply of detection sub-circuit, and the of the second resistance R2
Two ends are connected with the colelctor electrode of first triode.
The first end of the 3rd resistor R3 respectively with second end of the second resistance R2, and first triode
Colelctor electrode be connected, second end of the 3rd resistor R3 is connected with the 3rd input of selection sub-circuit.
In this case, the interference signal that the first electric capacity C1 and first resistor R1 is used in filtering circuit, the second electricity
Resistance R2 and 3rd resistor R3 is used for the first level for exporting the detection sub-circuit and second electrical level more conforms to select sub- electricity
The demand on road, so as to improve the stability of circuit.
Exemplary, the first resistor R1 is for 10k Ω, the 3rd resistor R3 for 10k Ω, the second resistance R2
100k Ω, the first triode V1 are NPN triodes, and its model 2SCR523EB, the first electric capacity C1 are 100n.When
So, in actual applications, the first resistor R1, second resistance R2,3rd resistor R3, the first triode V1 and the first electric capacity C1
Other specifications, the application can also be selected not to limit this.
In addition, the separation TV control circuit also includes：Second electric capacity C2.Wherein, the first of the second electric capacity C2
End electrically connects with the 5th pin of the selection sub-circuit, and the power supply of selection sub-circuit respectively, second electric capacity
The second end ground connection of C2.The interference signal that the second electric capacity C2 is used in filtering circuit, so as to improve the stability of circuit.
Exemplary, the logic chip of the model SN74LVC1G3157DCKR of the switch selection chip N1, the logic
Chip includes three input pins, and including three input pins, the second electric capacity C2 is 1u.Certainly, in practical application
In, the switch selection chip N1 and the second electric capacity C2 can also select other specifications, the application not to limit this.
Further, in separation TV control circuit disclosed in the present application, also include：Filtering sub-circuit, filtering
Circuit is used to be filtered first screen control signal and/or second screen control signal.
In addition, in separation TV control circuit disclosed in the present application, also including：Level conversion sub-circuit, the level turns
Sub-circuit is changed for carrying out level conversion to first screen control signal and/or second screen control signal.
In this case, the separation TV control circuit shown in Fig. 6 is formed.Referring to Fig. 6, wherein, the separation TV control
Circuit processed also includes：4th resistance R4 and the 3rd electric capacity C3.
Wherein, if the electrical connection between external playback equipment and the screen does not disconnect, the first of the 4th resistance R4
Hold for connecting the external playback equipment.In addition, the second input phase of the 4th resistance R4 and switch selection chip N1
Connection.
The first end of the 3rd electric capacity C3 selects core with second end of the 4th resistance R4, and the switch respectively
Second input of piece N1 is connected, the second end ground connection of the 3rd electric capacity C3.
In this case, the 4th resistance R4 and the 3rd electric capacity C3 constitutes filtering sub-circuit, external for filtering
Interference signal between playback equipment and switch selection chip N1.
Exemplary, the 4th resistance R4 is 100 Ω, and the 3rd electric capacity C3 is 100n.Certainly, in practical application
In, the 4th resistance R4 and the 3rd electric capacity C3 can also select other specifications, the application not to limit this.
Further, the separation TV control circuit also includes：5th resistance R5, the 6th resistance R6 and the 7th resistance
R7, the 4th electric capacity C4 and the second triode V2.
Wherein, the first end of the 5th resistance R5 is connected with processor, the second end difference of the 5th resistance R5
It is connected with the base stage of the second triode V2, and the first end of the 4th electric capacity C4.
The first end of the 4th electric capacity C4 respectively with second end of the 5th resistance R5, and second triode
The base stage of V2 is connected, the second end ground connection of the 4th electric capacity C4.
The first end of the 6th resistance R6 is connected with the power supply of the second triode V2, in addition, the 6th electricity
The second end for hindering R6 is connected with the colelctor electrode of the second triode V2, wherein, the power supply of the second triode V2
Can to separate the independent power supply that provides of power panel set in TV, or, first triode can also be with choosing
Select sub-circuit and/or the first triode V1 is shared with power supply all the way.
The grounded emitter of the second triode V2.
The first end of the 7th resistance R7 respectively with second end of the 6th resistance R6, and second triode
The colelctor electrode of V2 is connected, and second end of the 7th resistance R7 is connected with the first input end of switch selection chip N1.
In this case, the 5th resistance R5 and the 4th electric capacity C4 constitute filtering sub-circuit, for filter processor with
Interference signal between switch selection chip N1, the 6th resistance R6 and the 7th resistance R7 and the second triode V2 constitutes level
Conversion sub-circuit, the first screen control signal for being exported to processor carries out level conversion, then by by level conversion
First screen control signal is transmitted to switch selection chip N1, so as to transmit to the first screen control letter of switch selection chip N1
Number meet the specification demands of the switch selection chip N1.
Exemplary, the 7th resistance R7 is 100 Ω, and the 6th resistance R6 is 10k Ω, the second triode V2
It is NPN triodes, its model 2SCR523EB, the 5th resistance R5 are 10k Ω, and the 4th electric capacity C4 is 4.7u.When
So, in actual applications, the 5th resistance R5, the 6th resistance R6 and the 7th resistance R7, the 4th electric capacity C4 and the second triode
V2 can also select other specifications, the application not to limit this.
The application second embodiment discloses a kind of separation TV control method, and the method is applied in separation TV, described
Separating TV includes the screen and external playback equipment that are electrically connected to each other.Workflow schematic diagram shown in Figure 7, the application
The disclosed TV control method that separates of embodiment is comprised the following steps：
Whether the electrical connection between step S11, the detection external playback equipment and the screen disconnects, if so, performing
The operation of step S12, if it is not, performing the operation of step S13.
If step S12, the electrical connection detected between the external playback equipment and the screen disconnect, by being installed on
First screen control signal of the processor output in the screen controls the screen.
If step S13, the electrical connection detected between the external playback equipment and the screen do not disconnect, by described
Second screen control signal of external playback equipment output controls the screen.
Wherein, the screen is controlled to refer to controlling the backlight electric power of the screen.Wherein, if first screen control
Signal or the second screen control signal are starting-up signal, then the backlight electric power of the screen is opened, so that screen enters work
State；If first screen control signal or the second screen control signal are off signal, the backlight of the screen is closed
Power supply, so that screen enters holding state.
By method disclosed in the embodiment of the present application, the electrical connection between external playback equipment and screen can detected
In the case of disconnection, by processor export the first screen control signal control screen, detect external playback equipment with
In the case that electrical connection between screen does not disconnect, the second screen control signal control flow exported by external playback equipment
Curtain, so that after the electrical connection solved in the prior art between external broadcasting setting and screen disconnects, it is impossible to separating TV
The problem that screen is controlled.
And, in order to meet the viewing demand of user, it is larger that the current screen for separating TV is generally set, therefore power consumption
It is higher.In the prior art, after the electrical connection between external playback equipment and screen disconnects, if due to that cannot be carried out to screen
Control, in the case that screen is in running order all the time, can waste mass energy.And use the disclosed separation of the embodiment of the present application
TV control method, can be after the disconnection of the electrical connection between external playback equipment and screen, by the treatment installed in screen
Device controls screen, so as to avoid the waste of the energy.
In addition, in the prior art, screen is after not connected external playback equipment is detected, it is also possible to be directly entered standby
State, that is, realize shutdown, but it is direct current shutdown or ac dump that this way makes user to tell this shutdown, is used
Family experience is poor.And pass through to separate TV control method disclosed in the embodiment of the present application, between external playback equipment and screen
Electrical connection disconnect after, user can be controlled by manipulating processor to screen, determine this shutdown mode, so as to carry
Consumer's Experience high.
Further, the embodiment of the present application is disclosed separates TV control method, before the screen is controlled, also wraps
Include：
First screen control signal and/or second screen control signal are filtered.
Further, the embodiment of the present application is disclosed separates TV control method, before the screen is controlled, also wraps
Include：
Level conversion is carried out to first screen control signal and/or second screen control signal.
By above-mentioned filtering operation, interference signal that can be in filtering circuit, in addition, being grasped by above-mentioned level conversion
Make, the signal in circuit can be made in the specification demands by after level conversion, meeting the component for receiving the signal, so as to carry
The stability of circuit in screen high.
The 3rd embodiment of the application disclose it is a kind of separate TV, the separation TV includes the screen being electrically connected to each other and outer
Connect to be installed in playback equipment, also, the screen and control circuit and place just like the separation TV described in the application first embodiment
Reason device.
The embodiment of the present application is disclosed to separate TV, solves and is set and screen between in external broadcasting in the prior art
After electrical connection disconnects, it is impossible to the problem that the screen to separating TV is controlled.
Particularly, in order to meet the viewing demand of user, separate that the screen of TV generally sets at present is larger, therefore work(
Consumption is higher.In the prior art, after the electrical connection between external playback equipment and screen disconnects, if due to that cannot enter to screen
Row control, in the case that screen is in running order all the time, can waste mass energy.And use disclosed point of the embodiment of the present application
From TV, can be controlled by the processor installed in screen after the disconnection of the electrical connection between external playback equipment and screen
Screen, so as to avoid the waste of the energy.
In addition, in the prior art, screen is after not connected external playback equipment is detected, it is also possible to be directly entered standby
State, that is, realize shutdown, but it is direct current shutdown or ac dump that this way makes user to tell this shutdown, is used
Family experience is poor.And pass through to separate TV disclosed in the embodiment of the present application, the electrical connection between external playback equipment and screen
After disconnection, user can be controlled by manipulating processor to screen, this shutdown mode be determined, so as to improve user's body
Test.
In the disclosed separation TV of the embodiment of the present application, if the electrical connection between external playback equipment and screen disconnects, use
Family can manipulate to processor in several ways, so that processor produces corresponding first screen control signal.
In in one way in which, if setting the button electrically connected with processor in the screen surface for separating TV,
User can carry out touch-control to the button, so that processor produces corresponding first screen control signal.
In another mode, the remote control letter that can be electrically connected with the processor in the screen surface setting for separating TV
Number receiver.User can pair remote control matched with the remote signal receiver operate, produce remote control corresponding
Remote signal, the remote signal receiver can receive the remote signal, and the remote signal is transmitted to treatment
Device, the processor produces corresponding first screen control signal according to the remote signal.
Wherein, the remote signal receiver include polytype, such as infrared signal receiver, Bluetooth signal receiver or
Radio frequency signal receiver, the present invention is not limited this.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.The application is intended to any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including the undocumented public affairs in the art of the embodiment of the present invention
Know general knowledge or conventional techniques.Description and embodiments be considered only as it is exemplary, true scope and spirit of the invention by
Following claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture being described above and be shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim.
Claims (10)
1. it is a kind of to separate TV control circuit, it is applied in separation TV, the TV that separates includes the screen being electrically connected to each other
With external playback equipment, it is characterised in that separation TV control circuit is installed in the screen, and with the screen in
Processor electrical connection；
The separation TV control circuit is used to detect whether the electrical connection between the external playback equipment and the screen breaks
Open, and the first screen control signal for being exported by the processor in a case of yes controls the screen, and no
In the case of the second screen control signal for being exported by the external playback equipment control the screen.
2. separation TV according to claim 1 controls circuit, it is characterised in that the separation TV controls circuit bag
Include：Detection sub-circuit and selection sub-circuit；
The first input end of the selection sub-circuit is used to receive first screen control signal, and the second input is used to receive
Second screen control signal；
It is described to detect that sub-circuit is used to detect whether the electrical connection between the external playback equipment and the screen disconnects, and
The first level is exported to the 3rd input of the selection sub-circuit in the case of being, and in a case of no to the selection
The 3rd input output second electrical level of sub-circuit；
The selection sub-circuit is used to, when first level is received, export first screen control signal, Yi Ji
When receiving the second electrical level, second screen control signal is exported.
3. separation TV according to claim 2 controls circuit, it is characterised in that
The selection sub-circuit is switch selection chip.
4. separation TV according to claim 1 controls circuit, it is characterised in that the separation TV control circuit is also wrapped
Include：
Filtering sub-circuit, for being filtered to first screen control signal and/or second screen control signal.
5. separation TV according to claim 1 controls circuit, it is characterised in that the separation TV control circuit is also wrapped
Include：
Level conversion sub-circuit, for carrying out electricity to first screen control signal and/or second screen control signal
Flat turn is changed.
6. separation TV according to claim 1 controls circuit, it is characterised in that
The TV control circuit that separates is used to control the backlight electric power of the screen.
7. it is a kind of to separate TV control method, it is applied in separation TV, the TV that separates includes the screen being electrically connected to each other
With external playback equipment, it is characterised in that the separation TV control method includes：
Detect whether the electrical connection between the external playback equipment and the screen disconnects；
The first screen control signal for being exported by the processor being installed in the screen in a case of yes controls the screen
Curtain, and in a case of no, the second screen control signal exported by the external playback equipment controls the screen.
8. separation TV control method according to claim 7, it is characterised in that before the screen is controlled, also wrap
Include：
First screen control signal and/or second screen control signal are filtered.
9. separation TV control method according to claim 7, it is characterised in that before the screen is controlled, also wrap
Include：
Level conversion is carried out to first screen control signal and/or second screen control signal.
10. it is a kind of to separate TV, including the screen and external playback equipment being electrically connected to each other, it is characterised in that in the screen
Install and control circuit and processor just like the separation TV any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035897.5A CN106888396B (en) | 2017-01-18 | 2017-01-18 | Separated television control circuit and method and separated television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035897.5A CN106888396B (en) | 2017-01-18 | 2017-01-18 | Separated television control circuit and method and separated television |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106888396A true CN106888396A (en) | 2017-06-23 |
| CN106888396B CN106888396B (en) | 2019-12-31 |
Family
ID=59176818
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710035897.5A Active CN106888396B (en) | 2017-01-18 | 2017-01-18 | Separated television control circuit and method and separated television |
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| Country | Link |
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| CN (1) | CN106888396B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813457A (en) * | 2020-07-20 | 2020-10-23 | 四川长虹电器股份有限公司 | Device and method for timing startup and shutdown of multi-screen advertising machine |
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| CN101662624A (en) * | 2009-09-17 | 2010-03-03 | 中国电信股份有限公司 | Linked power on/off device and method for television and set-top box |
| CN102196215A (en) * | 2010-03-11 | 2011-09-21 | 刘军 | Split light emitting diode (LED) television |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106888396B (en) | 2019-12-31 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |