CN203708358U - Television set - Google Patents
Television set Download PDFInfo
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- CN203708358U CN203708358U CN201420025813.1U CN201420025813U CN203708358U CN 203708358 U CN203708358 U CN 203708358U CN 201420025813 U CN201420025813 U CN 201420025813U CN 203708358 U CN203708358 U CN 203708358U
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- 230000003993 interaction Effects 0.000 claims description 8
- 230000005236 sound signal Effects 0.000 claims description 4
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- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 3
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 3
- 102100021133 Nuclear protein 1 Human genes 0.000 description 3
- 238000000034 method Methods 0.000 description 2
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Abstract
Disclosed in the utility model is a television set comprising an audio and video interface connected with external equipment. Besides, the television set also includes: a selection module, which outputs a control signal according to a system starting/stopping debugging instruction inputted by a user and has an audio and video signal output port and a system debugging port; a main controller, which is used for receiving the control signal from the selection module and outputting a level signal according to the control signal; and a switching module, which is used for receiving the level signal outputted by the main controller and controlling connection of the audio and video interface with the audio and video signal output port or the system debugging port according to the level signal. The main controller is connected with the audio and video interface by the switching module; and the selection module is connected with the main controller. According to the scheme, the space of the PCB board is saved; the production cost of the television set is lowered; and the system debugging of the television set becomes convenient. Therefore, the great convenience is brought for production and after-sale service of the television set.
Description
Technical field
The utility model relates to field of television, relates in particular to a kind of television set of being convenient to system debug.
Background technology
In current television set, no matter be box, or intelligent TV set, all relate to the debugging of system.System debug is generally completed by outside computer.Computer is connected with system debug instrument, and system debug instrument is connected with television set master controller through VGA interface or the socket of television set again.Generally, socket is positioned on signal plate, and VGA interface is at the edge of signal plate.If the television set after having assembled is carried out to system debug, system debug instrument can be connected with VGA interface, or the bonnet of television set is opened, then directly system debug instrument is connected with socket.
Because the utilance of VGA interface is not high, in order to save the space of pcb board, reduce production costs, at present a lot of manufacturers directly remove VGA interface.Like this, when the television set after assembling is carried out to system debug, just need to open television rear cover and debug, give and produce and wait and bring inconvenience after sale.
Utility model content
The utility model provides a kind of television set, is intended to save the space of television set pcb board, reduces the production cost of television set, and facilitates the system debug of television set, thereby for the production of television set with provide convenience after sale.
To achieve these goals, the utility model provides a kind of television set, and this television set comprises:
The audio-video interface that can be connected with external device;
For export the selection module of control signal according to the start/stop system debug instruction of user's input;
There is audio-video signal output port and system debug port and for receiving the control signal of described selection module and according to the master controller of described control signal outputs level signals; And
For receiving the level signal of described master controller output the switch module being connected with described audio-video signal output port or system debug port according to audio-video interface described in described level signal control;
Wherein, described master controller is connected with described audio-video interface through described switch module, and described selection module is connected with described master controller.
Preferably, the audio-video signal output port of described master controller specifically comprises the first audio-video signal output port and the second audio-video signal output port, and the system debug port of described master controller comprises system debug output port and system debug input port; Described switch module comprises the first switch element being connected with the first audio-video signal output port or system debug output port according to audio-video interface described in the level signal control of master controller output, and the second switch unit being connected with the second audio-video signal output port or system debug input port according to audio-video interface described in the level signal control of master controller output, described the first switch element is connected with described master controller and audio-video interface respectively, and described second switch unit is connected with described master controller and audio-video interface respectively.
Preferably, described the first switch element comprises control end, common port, first end and the second end, the control end of described the first switch element is connected with described master controller, common port is connected with described audio-video interface, first end is connected with the first audio-video signal output port of described master controller, and the second end is connected with the system debug output port of described master controller.
Preferably, described second switch unit comprises control end, common port, first end and the second end, the control end of described second switch unit is connected with described master controller, common port is connected with described audio-video interface, first end is connected with the second audio-video signal output port of described master controller, and the second end is connected with the system debug input port of described master controller.
Preferably, described the first audio signal delivery outlet is L channel output port, and described the second audio signal delivery outlet is R channel output port.
Preferably, described the first switch element and second switch unit are switch chip.
Preferably, described selection module comprises human-computer interaction interface, and described human-computer interaction interface is connected with described master controller.
Preferably, described selection module also comprises remote controller, and described remote controller receives the signal of user's input, and sends a control signal to described master controller to control the system debug of described television set start/stop.
Preferably, television set also comprises a socket, and the system debug port of described master controller is connected with described socket.
The television set that the utility model provides, has set up the selection module that can receive user input and start or stop system debug instruction, and controllable switch module.In the time that user need to carry out system debug to television set, input starts system debug instruction to selecting module, and then the system debug port of control switch module connection master controller is connected with audio-video interface, thereby make system debug signal export external system debugging acid to by audio-video interface, realize system for TV set debugging.When user needs halt system when debugging, the debug command of input halt system is to selecting module, and then the audio frequency and video output port that control switch module is connected master controller is connected with audio-video interface, thereby recovery television set uses state normally.This television set is connected and also can realizes system debug with external system debugging acid by audio-video interface, both saved the space of television set pcb board, reduce the production cost of television set, also can facilitate the system debug of television set, thereby for the production of television set with provide convenience after sale.
Brief description of the drawings
Fig. 1 is the module diagram of the utility model television set;
Fig. 2 is the electrical block diagram of the utility model television set.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
With reference to Fig. 1 and 2, Fig. 1 is the module diagram of the utility model television set; Fig. 2 is the electrical block diagram of the utility model television set.
A kind of television set that the present embodiment provides, this television set comprises the audio-video interface 2 that can be connected with external device, according to the startup system debug instruction of user input with stop exporting the selection module 4 of control signal, there is audio-video signal output port and system debug port, select the control signal of module 4 and according to the master controller 1 of control signal outputs level signals for receiving, and for receiving the level signal that master controller 1 exports the switch module 3 being connected with audio-video signal output port or system debug port according to level signal control audio-video interface 2.Master controller 1 is connected with audio-video interface 2 through switch module 3, selects module 4 to be connected with master controller 1.
In the present embodiment, master controller 1 is generally positioned on the signal plate of television set.Audio-video signal output port in master controller 1 mainly comprises L channel output port L1, R channel output port R1 and video-out port V1.In master controller 1, system debug port mainly comprises system debug output port UART_TX and system debug input port UART_RX.Audio-video interface 2 is generally positioned on the edge of signal plate of television set, and exposed in the outside of housing of TV set, can be connected with external device, and it mainly comprises video interface V2, L channel interface L2 and R channel interface R2.Select module 4 to receive user and input startup system debug instruction or halt system debug command, and send a control signal to master controller 1 according to the instruction receiving.Switch module 3 is subject to the control of master controller 1, and the level signal sending according to master controller 1, and audio-video interface 2 is connected with audio frequency and video output port or the system debug port of master controller 1.
Input while starting system debug instruction when selecting module 4 to receive user, select module 4 to transmit control signal as starting system debug signal to master controller 1.Master controller 1 receives and starts system debug signal, and exports high level to switch module 3 by IO mouth.In the time that switch module 3 receives the high level signal that master controller 1 sends, the interface channel of switch module 3 ringing tone video interfaces 2 and system debug port.The system debug signal that master controller 1 is exported exports audio-video interface 2 to through switch module 3.System debug instrument is connected with audio-video interface 2, and system for TV set debug signal access external computer is carried out to system debug.
In the time that the signal of selecting module 4 to receive user's input is halt system debug command, select module 4 to transmit control signal as halt system debug signal is to master controller 1.Master controller 1 receives halt system debug signal, and passes through IO mouth output low level to switch module 3.In the time that switch module 3 receives the low level signal that master controller 1 sends, the ringing tone video interface 2 of switch module 3 and the interface channel of audio-video signal output port.The audio-video signal that master controller 1 is exported exports audio-video interface 2 to through switch module 3, thereby makes television set recover normal use state.
It should be noted that master controller 1 is connected with switch module 3, the concurrent level signal of sending is to switch module 3, and this control level can be high level, can be also low level, specifically can operate according to actual conditions.
The television set that the utility model provides, has set up the selection module 4 that can receive user input and start or stop system debug instruction, and controllable switch module 3.In the time that user need to carry out system debug to television set, input starts system debug instruction to selecting module 4, and then the system debug port that control switch module 3 is connected master controller 1 is connected with audio-video interface 2, thereby make system debug signal export external system debugging acid to by audio-video interface 2, realize system for TV set debugging.When user needs halt system when debugging, the debug command of input halt system is to selecting module 4, and then the audio frequency and video output port that control switch module 3 is connected master controller 1 is connected with audio-video interface 2, thereby recovery television set uses state normally.This television set is connected and also can realizes system debug with external system debugging acid by audio-video interface 2, both saved the space of television set pcb board, reduce the production cost of television set, also can facilitate the system debug of television set, thereby for the production of television set with provide convenience after sale.
Further, the audio-video signal output port of master controller 1 specifically comprises the first audio-video signal output port and the second audio-video signal output port.The system debug port of master controller 1 comprises system debug output port UART_TX and system debug input port UART_RX.Switch module 3 comprises the first switch element 31 and second switch unit 32.The level signal control audio-video interface 2 that the first switch element 31 is exported according to master controller 1 is connected with the first audio-video signal output port or system debug output port UART_TX.The level signal control audio-video interface 2 that second switch unit 32 is exported according to master controller 1 is connected with the second audio-video signal output port or system debug input port UART_RX.The first switch element 31 is connected with master controller 1 and audio-video interface 2 respectively, and second switch unit 32 is connected with master controller 1 and audio-video interface 2 respectively.Should be noted that, the first Audio output port can be L channel output port L1, R channel output port R1 or video-out port V1, and the second Audio output port can be also L channel output port L1, R channel output port R1 or video-out port V1.
In the present embodiment, in order to make only to take in system debug process the voice-grade channel of television set, and the video of television set still can normally show, facilitate system for TV set debugging, the first Audio output port is L channel output port L1, and the second Audio output port is R channel output port R1.And the first switch element 31 is connected with the L channel interface L2 of audio-video interface 2, second switch unit 32 is connected with the R channel interface R2 of audio-video interface 2.
When master controller 1 receive select module 4 input startup system debug signal time, master controller 1 sends high level to the first switch element 31 and second switch unit 32.When the first switch element 31 receives the high level signal that master controller 1 sends, system debug output port UART_TX is connected with L channel interface L2, thereby makes the system debug signal that master controller 1 is exported export L channel interface L2 to through the first switch element 31.When second switch unit 32 receives the high level signal that master controller 1 sends, system debug input port UART_RX is connected with R channel interface R2, thereby makes the signal of system debug feedback input to master controller 1 through R channel interface R2.When master controller 1 receive select module 4 input halt system debug signal time, master controller 1 sends low level to the first switch element 31 and second switch unit 32.When the first switch element 31 and second switch unit 32 receive the low level signal that master controller 1 sends, L channel output port L1 is connected with L channel interface L2, R channel output port R1 is connected with R channel interface R2, thereby make the audio-video signal that master controller 1 is exported export audio-video interface 2 to through the first switch element 31 and second switch unit 32, television set is replied normal use state.
Particularly, the first switch element 31 comprises control end I/O1, common port COM1, first end IN1 and the second end ON1.The first control end I/O1 of switch element 31 and being connected of master controller 1, common port COM1 is connected with audio-video interface 2, first end IN1 is connected with the first audio-video signal output port of master controller 1, and the second end ON1 is connected with the system debug output port UART_TX of described master controller 1.
In the present embodiment, the first switch element 31 is controllable single-pole double-throw switch (SPDT) chip, the control end I/O1 of the first switch element 31 is connected with the I/O mouth of master controller 1, common port COM1 is connected with the L channel interface L2 of audio-video interface 2, first end IN1 is connected with the L channel output port L1 of master controller 1, and the second end ON1 is connected with the system debug output port UART_TX of master controller 1.
Particularly, second switch unit 32 comprises control end I/O2, common port COM2, first end IN2 and the second end ON2, the control end I/O2 of second switch unit 32 is connected with master controller 1, common port COM2 is connected with audio-video interface 2, first end IN2 is connected with the second audio-video signal output port of master controller 1, and the second end ON2 is connected with the system debug input port UART_RX of master controller 1.
In the present embodiment, second switch unit 32 is controllable single-pole double-throw switch (SPDT) chip, the control end I/O2 of second switch unit 32 is connected with the I/O mouth of master controller 1, common port COM2 is connected with the R channel interface R2 of audio-video interface 2, first end IN2 is connected with the R channel output port R2 of master controller 1, and the second end ON2 is connected with the system debug input port UART_RX of master controller 1.
Further, select module 4 to comprise human-computer interaction interface, human-computer interaction interface is connected with master controller 1.User can be at the enterprising line operate of human-computer interaction interface, and then controls television set and start or stop system debug.It should be noted that, in order to save equipment cost, human-computer interaction interface is television display screen, user can operate television display screen, and then control television set starts or stops system debug.
Further, select module 4 also to comprise remote controller, remote controller receives the signal of user's input, and sends a control signal to master controller 1 to control the system debug of television set start/stop.
In the present embodiment, for meeting the needs that also can meet system debug in the situation that television screen does not show, at remote controller, one shortcut is set, long-time by this button, master controller 1 is connected audio-video signal output port and the audio-video interface 2 of master controller 1 by I/O mouth control switch module 3, now TV is eupraxic by audio-video interface 2 input and output audio-video signals.When vice-minister is by this button again, switch module 3 is connected system debug port and the audio-video interface 2 of master controller 1, the system debug signal of master controller 1 exports audio-video interface 2 to, and external system commissioning device can carry out system for TV set debugging by audio-video interface 2.
Further, television set also comprises a socket 5, and the system debug port of master controller 1 is connected with socket 5.
In the present embodiment, socket 5 is located on the signal plate of television set, and this socket 5 is connected with the system debug port of master controller 1.The system debug signal that master controller 1 is exported directly exports socket 5 to, and external system debugging acid can directly be connected with socket 5, obtains the system debug signal of master controller 1, can pass through socket 5 simultaneously, and feedback signal is to master controller 1.In the time that audio-video interface 2 causes system debug signal in master controller 1 cannot export external debug instrument to due to reasons such as damages, commissioning staff can open the bonnet of television set, external system debugging acid is directly connected with socket 5, thereby obtains the system debug signal that master controller 1 is exported.The setting of this socket 5, has avoided effectively after audio-video interface 2 damages, and the situation of whole system debugging paralysis occurs.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a television set, comprises the audio-video interface that can be connected with external device, it is characterized in that, television set also comprises:
For export the selection module of control signal according to the start/stop system debug instruction of user's input;
There is audio-video signal output port and system debug port and for receiving the control signal of described selection module and according to the master controller of described control signal outputs level signals; And
For receiving the level signal of described master controller output the switch module being connected with described audio-video signal output port or system debug port according to audio-video interface described in described level signal control;
Wherein, described master controller is connected with described audio-video interface through described switch module, and described selection module is connected with described master controller.
2. television set as claimed in claim 1, it is characterized in that, the audio-video signal output port of described master controller specifically comprises the first audio-video signal output port and the second audio-video signal output port, and the system debug port of described master controller comprises system debug output port and system debug input port; Described switch module comprises the first switch element being connected with the first audio-video signal output port or system debug output port according to audio-video interface described in the level signal control of master controller output, and the second switch unit being connected with the second audio-video signal output port or system debug input port according to audio-video interface described in the level signal control of master controller output, described the first switch element is connected with described master controller and audio-video interface respectively, and described second switch unit is connected with described master controller and audio-video interface respectively.
3. television set as claimed in claim 2, it is characterized in that, described the first switch element comprises control end, common port, first end and the second end, the control end of described the first switch element is connected with described master controller, common port is connected with described audio-video interface, first end is connected with the first audio-video signal output port of described master controller, and the second end is connected with the system debug output port of described master controller.
4. television set as claimed in claim 2, it is characterized in that, described second switch unit comprises control end, common port, first end and the second end, the control end of described second switch unit is connected with described master controller, common port is connected with described audio-video interface, first end is connected with the second audio-video signal output port of described master controller, and the second end is connected with the system debug input port of described master controller.
5. television set as claimed in claim 2, is characterized in that, described the first audio signal delivery outlet is L channel output port, and described the second audio signal delivery outlet is R channel output port.
6. television set as claimed in claim 2, is characterized in that, described the first switch element and second switch unit are switch chip.
7. television set as claimed in claim 1, is characterized in that, described selection module comprises human-computer interaction interface, and described human-computer interaction interface is connected with described master controller.
8. television set as claimed in claim 7, is characterized in that, described selection module also comprises remote controller, and described remote controller receives the signal of user's input, and sends a control signal to described master controller to control the system debug of described television set start/stop.
9. the television set as described in claim 1 to 8 any one, is characterized in that, also comprises a socket, and the system debug port of described master controller is connected with described socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025813.1U CN203708358U (en) | 2014-01-15 | 2014-01-15 | Television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025813.1U CN203708358U (en) | 2014-01-15 | 2014-01-15 | Television set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708358U true CN203708358U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420025813.1U Expired - Fee Related CN203708358U (en) | 2014-01-15 | 2014-01-15 | Television set |
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| Country | Link |
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| CN (1) | CN203708358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604021A (en) * | 2016-07-27 | 2017-04-26 | 青岛海信电器股份有限公司 | Signal control method and device |
| CN109743516A (en) * | 2019-01-16 | 2019-05-10 | 四川长虹电器股份有限公司 | The multiplex system and method for different control signals under the identical port organization of television set |
-
2014
- 2014-01-15 CN CN201420025813.1U patent/CN203708358U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604021A (en) * | 2016-07-27 | 2017-04-26 | 青岛海信电器股份有限公司 | Signal control method and device |
| CN106604021B (en) * | 2016-07-27 | 2019-02-26 | 青岛海信电器股份有限公司 | A kind of signal control method and equipment |
| CN109743516A (en) * | 2019-01-16 | 2019-05-10 | 四川长虹电器股份有限公司 | The multiplex system and method for different control signals under the identical port organization of television set |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |