CN203734748U - Standby circuit of TV set and TV set - Google Patents
Standby circuit of TV set and TV set Download PDFInfo
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- CN203734748U CN203734748U CN201320842919.6U CN201320842919U CN203734748U CN 203734748 U CN203734748 U CN 203734748U CN 201320842919 U CN201320842919 U CN 201320842919U CN 203734748 U CN203734748 U CN 203734748U
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Abstract
The utility model discloses a standby circuit of a TV set and a TV set. The standby circuit of the TV set comprises an application central processor, a control module, a power supply module, and a standby central processor. A power supply end of the application central processor is connected with the power supply module, and the application central processor is connected with the control module. The standby central processor is connected with the control module, and is connected with the power supply module. The standby central processor is in a communication connection with the application central processor. When the TV set is in the standby state, the application central processor can be used to send the standby signal to the standby central processor, and the standby central processor can be used to receive the standby signal, and can be used to send the power-off control level to the power supply module, and therefore the switching off of the power supply module can be controlled to be corresponding to the power supply of the application central processor. When the TV set is in the power-on state, the standby central processor can be used to send the power-on control level to the power supply module, and therefore the power supply module can be controlled to be corresponding to the power supply of the application central processor.
Description
Technical field
The utility model relates to field of television, particularly relates to a kind of stand-by circuit and television set of television set.
Background technology
Early stage TV set circuit only has a central processing unit, even there is no central processing unit.But along with the development of television technologies, the television set of multiple central processing units occurs.In the holding state of television set, each central processing unit is the state in normal power supply all, thereby causes the power consumption of television under holding state very large.This does not only reach the stand-by power consumption requirement of energy-conserving and environment-protective to television set, and has caused the waste of resource.
Utility model content
The utility model provides a kind of stand-by circuit of television set, is intended to reduce the stand-by power consumption of applying central processing unit under TV standby state, has further reduced the stand-by power consumption of television set, thereby has saved resource.
To achieve these goals, the utility model provides a kind of stand-by circuit of television set, this stand-by circuit comprises application central processing unit, for controlling the control module of television boot-strap or standby, and for the power module to the power supply of described application central processing unit; The power end of described application central processing unit is connected with described power module, and described application central processing unit is connected with described control module, and described stand-by circuit also comprises the standby central processing unit for controlling described application central processing unit on/off electricity;
Wherein, described standby central processing unit is connected with described control module, and described standby central processing unit is connected with described power module, described standby central processing unit and the communication connection of described application central processing unit
In the time that described application central processing unit receives the standby signal of described control module transmission, described application central processing unit sends standby signal to described standby central processing unit, described standby central processing unit receives standby signal and sends power-off control level to described power module, disconnects the power supply to described application central processing unit to control described power module; In the time that described standby central processing unit receives the starting-up signal that described control module sends, described standby central processing unit sends energising control level to described power module, applies central processing unit power supply to control described in described electric power source pair of module.
Preferably, described control module comprises manual unit and/or remote control unit, wherein:
Described manual unit comprises the hand switch for controlling television boot-strap or standby, one end ground connection of described hand switch, the other end is connected with the AD mouth of described application central processing unit, and an I/O mouth of described standby central processing unit is connected to the node between described hand switch and described application central processing unit;
Described remote control unit comprises the receiving system for receiving remote controller transmitted signal, and the receiving terminal of described application central processing unit is connected with receiving system, and the 2nd I/O mouth of described standby central processing unit is connected with described receiving system.
Preferably, in the time that described control module is manual unit, described stand-by circuit also comprises that the I/O mouth for preventing described standby central processing unit is drawn as low level the first resistance by described application central processing unit AD mouth, one end of described the first resistance is connected with an I/O mouth of described standby central processing unit, and the other end is connected with the AD mouth of described application central processing unit.
Preferably, in the time that described control module is manual unit, described stand-by circuit also comprises the current limliting unit that flows into described standby central processing unit size of current for limiting described hand switch, the input of described current limliting unit is connected with described hand switch, and the output of described current limliting unit is connected with an I/O mouth of described standby central processing unit.
Preferably, described current limliting unit comprises the second resistance, and one end of described the second resistance is connected with described hand switch, and the other end of described the second resistance is connected with an I/O mouth of described standby central processing unit.
Preferably, in the time that described control module is manual unit, described stand-by circuit also comprises pull-up resistor, and one end of described pull-up resistor is connected with power supply, and the other end of described pull-up resistor is connected with an I/O mouth of described standby central processing unit.
Preferably, described receiving system is infrared receiving terminal.
Preferably, described standby central processing unit passes through I
2c and the communication connection of described application central processing unit.
Preferably, in the time that described control module is manual unit, described manual unit also comprises at least one function key, and described function key one end is through divider resistance ground connection, and the other end is connected with an I/O mouth of described standby central processing unit.
The utility model provides a kind of television set, this television set has the stand-by circuit of television set, and this stand-by circuit comprises application central processing unit, for controlling the control module of television boot-strap or standby and for the power module to the power supply of described application central processing unit; The power end of described application central processing unit is connected with described power module, and described application central processing unit is connected with described control module, and described stand-by circuit also comprises the standby central processing unit for controlling described application central processing unit on/off electricity;
Wherein, described standby central processing unit is connected with described control module, and described standby central processing unit is connected with described power module, described standby central processing unit and the communication connection of described application central processing unit
In the time that described application central processing unit receives the standby signal of described control module transmission, described application central processing unit sends standby signal to described standby central processing unit, described standby central processing unit receives standby signal and sends power-off control level to described power module, disconnects the power supply to described application central processing unit to control described power module; In the time that described standby central processing unit receives the starting-up signal that described control module sends, described standby central processing unit sends energising control level to described power module, applies central processing unit power supply to control described in described electric power source pair of module.
The utility model has increased the standby central processing unit of applying central processing unit on/off and detecting television boot-strap signal for controlling on the basis of existing technology.In the time that television set receives standby signal, standby central processing unit control power module disconnects the power supply to application central processing unit.Under TV standby state, the application central processing unit that power consumption is large has disconnected power supply, only remaining standby central processing unit Real-Time Monitoring starting-up signal.Because standby central processing unit function is simple, power consumption is little, and then makes television set power consumption under holding state little, thereby has saved resource.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the stand-by circuit 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, Fig. 1 is the structural representation of an embodiment of the stand-by circuit of the utility model television set.The stand-by circuit of a kind of television set that the present embodiment provides, this stand-by circuit comprises:
Application central processing unit 1: this stand-by circuit comprises at least one application central processing unit 1, this application central processing unit 1 major control television set is carried out functional performance, as volume control, carry out menu etc., under television boot-strap state, application central processing unit 1 normal power supply is also controlled the operation of whole television set.It should be noted that application central processing unit 1 comprises power end, receiving terminal and AD mouth.Power end is connected with power supply, the signal that receiving terminal sends for reading remote controller.
Control module 2: control module 2 can comprise manual unit 21 and remote control unit 22, or only include manual unit 21 or remote control unit 22.Wherein, manually unit 21 comprises the hand switch SW1 for controlling television boot-strap or standby.Remote control unit 22 comprises the receiving system 221 for receiving remote controller transmitted signal.Hand switch SW1 is arranged on television set, can be by controlling hand switch SW1 and then controlling television boot-strap or standby.When television set is during in open state, when hand switch SW1 presses, television set enters holding state.When television set is during in holding state, when hand switch SW1 presses, television set enters open state.The signal that receiving system 221 sends for receiving TV remote controller.Particularly, receiving system 221 is infrared receiving terminal.Infrared receiving terminal receives the signal sending from Infrared remote controller, and signal is sent to application central processing unit 1.
Power module 3: be mainly used in powering for application central processing unit 1.Under television boot-strap state, power module 3 is powered to application central processing unit 1.Under TV standby state, power module 3 disconnects the power supply to application central processing unit 1.
Standby central processing unit 4: standby central processing unit 4 comprises an I/O mouth, the 2nd I/O mouth and the 3rd I/O mouth, the signal that the one I/O mouth sends for reading hand switch SW1, the signal that the 2nd I/O mouth sends for reading remote controller, the 3rd I/O mouth is connected with power module 3.Standby central processing unit 4 passes through I with application central processing unit 1
2c realizes communication connection.In the time that application central processing unit 1 receives standby signal, application central processing unit 1 sends standby signal to standby central processing unit 4.Standby central processing unit 4 receives standby signal and sends power-off control level to power module 3, controls power module 3 and is broken as the power supply of applying central processing unit 1.Standby central processing unit 4 only detects the starting-up signal of television set under TV standby state.In the time that standby central processing unit 4 receives starting-up signal, standby central processing unit 4 sends energising control level to power module 3, to control power module 3, application central processing unit 1 is powered.Under television boot-strap state, standby central processing unit 4 is switched on, but does not read the level signal of I/O mouth, in order to avoid disturb the normal work of application central processing unit 1.The power consumption that it should be noted that this standby central processing unit 4 is very low, makes under TV standby state power consumption very little.It should be noted that energising control level can also can, for low level, specifically can arrange according to the side circuit of power module 3 for high level.In like manner, power-off control level can be high level or low level.
The power end of application central processing unit 1 is connected with power module 3, and the receiving terminal of application central processing unit 1 is connected with receiving system 221, and the AD mouth of application central processing unit 1 is connected with hand switch SW1.The one I/O mouth of standby central processing unit 4 is connected to the node between hand switch SW1 and application central processing unit 1, the 2nd I/O mouth of standby central processing unit 4 is connected with receiving system 221, the 3rd I/O mouth of standby central processing unit 4 is connected with power module 3, and standby central processing unit 4 passes through I with application central processing unit 1
2c communication connection.
In the time that application central processing unit 1 receives the standby signal of hand switch SW1 or remote controller transmission, application central processing unit 1 sends standby signal to standby central processing unit 4.Standby central processing unit 4 receives standby signal and sends power-off control level to power module 3, disconnects the power supply to application central processing unit 1 to control power module 3, and standby central processing unit 4 enters the state that detects starting-up signal.In the time that standby central processing unit 4 receives the starting-up signal of hand switch SW1 or remote controller transmission, standby central processing unit 4 sends energising control levels to power module 3, to control power module 3, application central processing unit 1 is powered.Under the open state of television set, standby central processing unit 4 no longer reads the level signal of I/O mouth, transfers to powerful application central processing unit 1 to process control.
The utility model has increased the standby central processing unit 4 of applying central processing unit 1 on/off and detecting television boot-strap signal for controlling on the basis of existing technology.In the time that television set receives standby signal, standby central processing unit 4 is controlled power module 3 and is disconnected the power supply to application central processing unit 1.Under TV standby state, the application central processing unit 1 that power consumption is large has disconnected power supply, only remaining standby central processing unit 4 Real-Time Monitoring starting-up signals.Because standby central processing unit 4 functions are simple, power consumption is little, and then makes television set power consumption under holding state little, thereby has saved resource.
Further, in the time that control module 2 is manual unit 21, the stand-by circuit of television set also comprises that the AD mouth that the I/O mouth level signal for preventing standby central processing unit 4 is employed central processing unit 1 draws as low level the first resistance R 1, one end of the first resistance R 1 is connected with an I/O mouth of standby central processing unit 4, and the other end is connected with the AD mouth of application central processing unit 1.
In the present embodiment, those skilled in the art are when knowing, application central processing unit 1 is under the state of power cutoff, and AD mouth is equivalent to ground connection.From above-described embodiment, an I/O mouth of standby central processing unit 4 is connected with the AD mouth of application central processing unit 1 by wire.Under TV standby state, an I/O mouth of standby central processing unit 4 is all the time in low level state, thereby cannot respond the signal that hand switch SW1 sends.For fear of under the holding state of television set, the one I/O mouth level of standby central processing unit 4 is pulled to low level and cannot normally reads the signal that hand switch SW1 sends, in the present embodiment, between application central processing unit 1 and standby central processing unit 4, increase by the first resistance R 1.The first resistance R 1 utilizes large impedance effectively the application AD mouth of central processing unit 1 and an I/O mouth of standby central processing unit 4 to be separated, thereby has avoided an I/O mouth level of standby central processing unit 4 to be dragged down.The resistance that it should be noted that the first resistance R 1 should be enough large, and in the present embodiment, the first resistance R 1 is set to 470K Ω.
Further, in the time that control module 2 is manual unit 21, the stand-by circuit of television set also comprises the current limliting unit 5 for limiting the size of current that flows into standby central processing unit 4, the input of current limliting unit 5 is connected with hand switch SW1, and the output of current limliting unit 5 is connected with an I/O mouth of standby central processing unit 4.Current limliting unit 5 has effectively been cut down and has been flowed into the size of current of standby central processing unit 4, thereby has avoided large electric current to burn out standby central processing unit 4.In the present embodiment, current limliting unit 5 comprises that one end of the second resistance R 2, the second resistance R 2 is connected with hand switch SW1, and the other end of the second resistance R 2 is connected with an I/O mouth of standby central processing unit 4.
Further, in the time that control module 2 is manual unit 21, the stand-by circuit of television set also comprises pull-up resistor R3, and one end of pull-up resistor R3 is connected with power supply VCC, and the other end of pull-up resistor R3 is connected with an I/O mouth of standby central processing unit 4.The setting of pull-up resistor R3, under the state that makes to disconnect at hand switch SW1, the one I/O mouth of standby central processing unit 4 is always high level, thereby has avoided the interference of interference signal to standby central processing unit 4, affects the accurate judgement of standby central processing unit 4 to an I/O mouth level.The magnitude of voltage that it should be noted that power supply VCC can arrange according to actual conditions, and in the present embodiment, magnitude of voltage is 2.5V.
Further, when control module 2 is manual unit 21, the stand-by circuit of television set also comprises at least one function key SW2, and function key SW2 one end is through divider resistance R4 ground connection, and the other end is connected with an I/O mouth of standby central processing unit 4.Television set, except the hand switch SW1 for controlling television boot-strap or standby, also includes the function key SW2 that carries out feature operation for controlling television set, as volume control key, and Menu key etc.Function key SW2 one end is connected with an I/O mouth of standby central processing unit 4, and the other end is through divider resistance R4 ground connection.It should be noted that, after divider resistance R4 dividing potential drop, the voltage that is sent to standby central processing unit 4 of function key SW2 is smaller, make function key SW2 transmission low level to standby central processing unit 4.Therefore, when television set is during in holding state, press any one function key SW2, all can realize television boot-strap, thereby be more convenient for the use of television set.
The utility model also provides a kind of television set, and this television set comprises the stand-by circuit of television set.The stand-by circuit of this television set can, with reference to above-described embodiment, not repeat them here.Naturally, because the television set of the present embodiment has adopted the technical scheme of the stand-by circuit of above-mentioned television set, therefore this television set has all beneficial effects of stand-by circuit of above-mentioned television set.
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 (10)
1. a stand-by circuit for television set, comprises application central processing unit, for controlling the control module of television boot-strap or standby, and for the power module to the power supply of described application central processing unit; The power end of described application central processing unit is connected with described power module, described application central processing unit is connected with described control module, it is characterized in that, described stand-by circuit also comprises the standby central processing unit for controlling described application central processing unit on/off electricity;
Wherein, described standby central processing unit is connected with described control module, and described standby central processing unit is connected with described power module, described standby central processing unit and the communication connection of described application central processing unit;
In the time that described application central processing unit receives the standby signal of described control module transmission, described application central processing unit sends standby signal to described standby central processing unit, described standby central processing unit receives standby signal and sends power-off control level to described power module, disconnects the power supply to described application central processing unit to control described power module; In the time that described standby central processing unit receives the starting-up signal that described control module sends, described standby central processing unit sends energising control level to described power module, applies central processing unit power supply to control described in described electric power source pair of module.
2. stand-by circuit as claimed in claim 1, is characterized in that, described control module comprises manual unit and/or remote control unit, wherein:
Described manual unit comprises the hand switch for controlling television boot-strap or standby, one end ground connection of described hand switch, the other end is connected with the AD mouth of described application central processing unit, and an I/O mouth of described standby central processing unit is connected to the node between described hand switch and described application central processing unit;
Described remote control unit comprises the receiving system for receiving remote controller transmitted signal, and the receiving terminal of described application central processing unit is connected with receiving system, and the 2nd I/O mouth of described standby central processing unit is connected with described receiving system.
3. stand-by circuit as claimed in claim 2, it is characterized in that, in the time that described control module is manual unit, described stand-by circuit also comprises that the I/O mouth for preventing described standby central processing unit is drawn as low level the first resistance by described application central processing unit AD mouth, one end of described the first resistance is connected with an I/O mouth of described standby central processing unit, and the other end is connected with the AD mouth of described application central processing unit.
4. stand-by circuit as claimed in claim 2, it is characterized in that, in the time that described control module is manual unit, described stand-by circuit also comprises the current limliting unit that flows into described standby central processing unit size of current for limiting described hand switch, the input of described current limliting unit is connected with described hand switch, and the output of described current limliting unit is connected with an I/O mouth of described standby central processing unit.
5. stand-by circuit as claimed in claim 4, is characterized in that, described current limliting unit comprises the second resistance, and one end of described the second resistance is connected with described hand switch, and the other end of described the second resistance is connected with an I/O mouth of described standby central processing unit.
6. stand-by circuit as claimed in claim 2, it is characterized in that, in the time that described control module is manual unit, described stand-by circuit also comprises pull-up resistor, one end of described pull-up resistor is connected with power supply, and the other end of described pull-up resistor is connected with an I/O mouth of described standby central processing unit.
7. stand-by circuit as claimed in claim 2, is characterized in that, described receiving system is infrared receiving terminal.
8. stand-by circuit as claimed in claim 1, is characterized in that, described standby central processing unit passes through I
2c is connected with the communication of described application central processing unit.
9. stand-by circuit as claimed in claim 2, it is characterized in that, in the time that described control module is manual unit, described manual unit also comprises at least one function key, described function key one end is through divider resistance ground connection, and the other end is connected with an I/O mouth of described standby central processing unit.
10. a television set, is characterized in that, comprises the stand-by circuit of the television set as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320842919.6U CN203734748U (en) | 2013-12-19 | 2013-12-19 | Standby circuit of TV set and TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320842919.6U CN203734748U (en) | 2013-12-19 | 2013-12-19 | Standby circuit of TV set and TV set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734748U true CN203734748U (en) | 2014-07-23 |
Family
ID=51204787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320842919.6U Expired - Fee Related CN203734748U (en) | 2013-12-19 | 2013-12-19 | Standby circuit of TV set and TV set |
Country Status (1)
| Country | Link |
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| CN (1) | CN203734748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105611409A (en) * | 2016-01-04 | 2016-05-25 | 京东方科技集团股份有限公司 | Advertisement machine control system, control method thereof and advertisement machine |
| CN107222784A (en) * | 2017-08-02 | 2017-09-29 | 四川长虹电器股份有限公司 | The timing start-up control system and method for a kind of TV |
| WO2018201684A1 (en) * | 2017-05-03 | 2018-11-08 | 深圳Tcl数字技术有限公司 | Television standby power control circuit and television |
-
2013
- 2013-12-19 CN CN201320842919.6U patent/CN203734748U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105611409A (en) * | 2016-01-04 | 2016-05-25 | 京东方科技集团股份有限公司 | Advertisement machine control system, control method thereof and advertisement machine |
| US10353456B2 (en) | 2016-01-04 | 2019-07-16 | Boe Technology Group Co., Ltd. | Advertising machine, and system, method and storage medium for controlling advertising machine |
| CN105611409B (en) * | 2016-01-04 | 2019-12-27 | 京东方科技集团股份有限公司 | Advertising machine control system and control method thereof and advertising machine |
| WO2018201684A1 (en) * | 2017-05-03 | 2018-11-08 | 深圳Tcl数字技术有限公司 | Television standby power control circuit and television |
| CN107222784A (en) * | 2017-08-02 | 2017-09-29 | 四川长虹电器股份有限公司 | The timing start-up control system and method for a kind of TV |
| CN107222784B (en) * | 2017-08-02 | 2020-09-25 | 四川长虹电器股份有限公司 | Timing starting control system and method for television |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20171219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |