CN204795336U - Stand -by circuit and have TV set of this circuit - Google Patents
Stand -by circuit and have TV set of this circuit Download PDFInfo
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- CN204795336U CN204795336U CN201520327590.9U CN201520327590U CN204795336U CN 204795336 U CN204795336 U CN 204795336U CN 201520327590 U CN201520327590 U CN 201520327590U CN 204795336 U CN204795336 U CN 204795336U
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Abstract
The utility model discloses a stand -by circuit and have TV set of this circuit, wherein, the stand -by circuit includes: the antenna module, bluetooth module, button module and on -off control module, the antenna module for receive the on -off control signal that the bluetooth control ware sent, bluetooth module is used for the basis antenna module received on -off control signal, the dispatch control the on -off control signal of on -off control module, the button module for according to the on off state of button, control the switch of on -off control module, the on -off control module is used for the basis the on -off control signal that bluetooth module sent, perhaps, according to the on off state of button module starts and perhaps closes the switching between core board and core board power and the battery supply. The utility model discloses a button module or bluetooth module control switch control module, realize the TV set under the standby state, the core board cuts off the power supply completely, the zero -power.
Description
Technical field
The utility model relates to electric and electronic technical field, particularly a kind of stand-by circuit and have the television set of this circuit.
Background technology
At present, under TV is in standby state, the voltage of its machine core board can exist always, keeps with this ability waking TV at any time up.Now, machine core board, the stand-by power consumption also referred to as TV motherboard is approximately about 0.2W, and due to national standard requirement complete machine stand-by power consumption, namely the total power consumption of power panel and machine core board is for being not more than 0.5W, and Vehicles Collected from Market TV mostly accomplishes that complete machine stand-by power consumption is about 0.45W.But along with improving constantly of living standards of the people, productive life is to the continuous increase of energy demand, and the energy consumption reducing each electronic product in productive life is badly in need of solving.
Therefore, design utility model people in the process of TV set central layer, find that in prior art, at least there are the following problems:
Under existing television set is in holding state, there is voltage in the circuit of its machine core board always, to keep television set to start at any time, makes the power consumption of machine core board comparatively large, thus cause the power consumption of whole television set larger.
Utility model content
In view of the above problems, proposing the utility model to provide a kind of overcomes the problems referred to above or to solve the problem at least in part, and the technical solution of the utility model is achieved in that
On the one hand, the utility model provides a kind of stand-by circuit, comprising: Anneta module, bluetooth module, key-press module and switch control module;
Described Anneta module, for receiving the switch controlling signal that blue Tooth remote controller sends;
Described bluetooth module, for the switch controlling signal received according to described Anneta module, sends the switch controlling signal controlling described switch control module;
Described key-press module, for the on off state according to button, controls the switch of described switch control module;
Described switch control module, for the switch controlling signal sent according to described bluetooth module, or, according to the on off state of described key-press module, start or close machine core board and the switching between machine core board power supply VCC_standby and battery supply VCC_ battery.
Preferably, described bluetooth module comprises: input/output interface, sampling pin, Bluetooth antenna interface, power interface;
Described input/output interface is connected with described switch control module;
Described sampling pin is connected with described key-press module;
Described Bluetooth antenna interface is connected with described Anneta module;
Described power interface respectively with described machine core board power supply VCC_standby, described battery supply VCC_ battery be connected.
Preferably, described bluetooth module also comprises: discharge resistance;
Described discharge resistance one end ground connection, power interface described in another termination.
Preferably, described key-press module comprises: button and debounce electric capacity;
After described button and described debounce Capacitance parallel connection, switch control module described in a termination, pin of sampling described in another termination.
Preferably, described switch control module comprises: the first switching tube, second switch pipe, the first resistance, the 3rd switching tube, the second resistance and the 3rd resistance;
Described first switching tube pin one exports described machine core board power supply VCC_standby voltage, described first switching tube pin two meets described machine core board power supply VCC_standby and inputs, described first switching tube pin 3 connects described second switch pipe pin 3 respectively, described key-press module one end;
Described second switch pipe pin one meets described battery supply VCC, and described second switch pipe pin two exports described battery supply VCC_ cell voltage;
Described 3rd switching tube pin one ground connection, described 3rd switching tube pin two connects described first resistance, described first switching tube pin 3, described second switch pipe pin 3 link, described 3rd switching tube pin 3 connects described second resistance one end respectively, 3rd resistance one end, described key-press module and described sampling pin link;
Battery supply VCC described in described another termination of first resistance;
Input/output interface described in described another termination of second resistance;
Described 3rd resistance other end ground connection.
Preferably,
Preferably, described first switching tube adopts PMOS; Described second switch pipe adopts NMOS tube; Described 3rd switching tube adopts NPN triode; Described first resistance is pull-up resistor, and the second resistance is current-limiting resistance and the 3rd electric resistance partial pressure resistance.
Preferably, described first switching tube is used for the input of controller central layer power supply VCC_standby voltage and disconnects; Described second switch pipe is for controlling the input of battery supply VCC voltage and disconnecting.
Preferably, described Anneta module comprises: antenna, filtering match circuit and filtering chip;
Described antenna connects described filtering match circuit one end;
The pin in of filtering chip described in described another termination of filtering match circuit;
The pin GND ground connection of described filtering chip, the pin out of described filtering chip connects the Bluetooth antenna interface of described bluetooth module.
Preferably, described filtering match circuit comprises: the second electric capacity, the 3rd electric capacity and the 4th resistance;
Described antenna connects described 4th resistance one end respectively, described 3rd electric capacity one end;
The pin in of filtering chip described in described 4th another termination of resistance;
Described 3rd electric capacity other end ground connection;
The pin in of filtering chip described in described second electric capacity one termination, other end ground connection.
The utility model provides a kind of television set, comprising: an as above arbitrary described stand-by circuit.
The switch controlling signal that the technical solution of the utility model is sent by described bluetooth module, or, according to the on off state of described key-press module, start or close machine core board and the switching between machine core board power supply VCC_standby and battery supply VCC_ battery, realize at television set in the standby state, the complete power-off of machine core board, zero-power, thus the stand-by power consumption reducing overall television set.
Accompanying drawing explanation
A kind of stand-by circuit structural representation that Fig. 1 provides for the utility model embodiment;
A kind of stand-by circuit figure that Fig. 2 provides for the utility model embodiment;
A kind of television structure schematic diagram that Fig. 3 provides for the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model execution mode is described in further detail.
As a kind of stand-by circuit structural representation that Fig. 1 provides for being depicted as the utility model embodiment; This stand-by circuit comprises: Anneta module 101, bluetooth module 102, key-press module 103 and switch control module 104;
Described Anneta module 101, for receiving the switch controlling signal that blue Tooth remote controller sends;
Described bluetooth module 102, for the switch controlling signal received according to described Anneta module, sends the switch controlling signal controlling described switch control module;
Described key-press module 103, for the on off state according to button, controls the switch of described switch control module;
Described switch control module 104, for the switch controlling signal sent according to described bluetooth module, or, according to the on off state of described key-press module, start or close machine core board and the switching between machine core board power supply VCC_standby and battery supply VCC_ battery.
Based on above embodiment, as shown in Figure 2, be a kind of stand-by circuit figure that the utility model embodiment provides; This stand-by circuit comprises: Anneta module 101, bluetooth module 102, key-press module 103 and switch control module 104; Wherein, described bluetooth module 102 comprises: input/output interface, sampling pin, Bluetooth antenna interface, power interface and discharge resistance;
Described input/output interface is connected with described switch control module;
Described sampling pin is connected with described key-press module;
Described Bluetooth antenna interface is connected with described Anneta module;
Described power interface respectively with described machine core board power supply VCC_standby, described battery supply VCC_ battery be connected;
Described discharge resistance one end ground connection, power interface described in another termination.
Described key-press module comprises: button KEY and debounce electric capacity C1;
After described button KEY is in parallel with described debounce electric capacity C1, switch control module described in a termination, pin of sampling described in another termination.
Described switch control module comprises: the first switching tube Q1, second switch pipe Q2, the first resistance R1, the 3rd switching tube Q3, the second resistance R2 and the 3rd resistance R3;
Described first switching tube Q1 pin one exports described machine core board power supply VCC_standby voltage, described first switching tube Q1 pin two meets described machine core board power supply VCC_standby and inputs, described first switching tube Q1 pin 3 connects described second switch pipe Q2 pin 3 respectively, described key-press module one end;
Described second switch pipe Q2 pin one connects described battery supply VCC_ battery, and described second switch pipe Q2 pin two exports described battery supply VCC voltage;
Described 3rd switching tube Q3 pin one ground connection, described 3rd switching tube Q3 pin two meets described first resistance R1, described first switching tube Q1 pin 3, described second switch pipe Q2 pin 3 link, described 3rd switching tube Q3 pin 3 connects described second resistance R2 one end respectively, 3rd resistance R3 one end, described key-press module and described sampling pin link;
Battery supply VCC_ battery described in described first another termination of resistance R1;
Input/output interface described in described second another termination of resistance R2;
Described 3rd resistance R3 other end ground connection.
It should be noted that, described first switching tube Q1 adopts PMOS; Described second switch pipe Q2 adopts NMOS tube; Described 3rd switching tube Q3 adopts NPN triode; Described first resistance R1 is pull-up resistor, and the second resistance R2 is current-limiting resistance and the 3rd resistance R3 divider resistance.
Described first switching tube Q1 is used for the input of controller central layer power supply VCC_standby voltage and disconnects; Described second switch pipe Q2 is for controlling the input of battery supply VCC_ cell voltage and disconnecting.
Described Anneta module comprises: antenna ANT, filtering match circuit and filtering chip U2;
Described antenna ANT connects described filtering match circuit one end;
The pin in of filtering chip U2 described in described another termination of filtering match circuit;
The pin GND ground connection of described filtering chip U2, the pin out of described filtering chip U2 connects the Bluetooth antenna interface of described bluetooth module.
Wherein, described filtering match circuit comprises: the second electric capacity C2, the 3rd electric capacity C3 and the 4th resistance R4;
Described antenna ANT connects described 4th resistance R4 one end respectively, described 3rd electric capacity C3 one end;
The pin in of filtering chip U2 described in described 4th another termination of resistance R4;
Described 3rd electric capacity C3 other end ground connection;
The pin in of filtering chip U2 described in described second electric capacity C2 mono-termination, other end ground connection.
Based on above circuit, utility model works principle is described in detail;
The utility model is coordinated by key-press module and bluetooth module, can realize the switch of Bluetooth remote control bluetooth module and key-press module two ore control standby power; In addition, the mutual switching that the utility model also adopts the cooperation of two MOS to realize main power supply uses, and wherein said main electricity is machine core board power supply VCC_standby, and standby electricity is battery supply VCC_ battery; Concretely, when television set is in standby, the power supply of bluetooth module is standby electric cell voltage, and when opening TV, bluetooth module is powered and automatically transferred main electricity power supply to, and this measure further reduces the battery powered time, substantially increases the useful life of battery.Below by way of the operating state to stand-by circuit, describe the operation principle of stand-by circuit in detail, specific as follows:
Television boot-strap or when being in holding state, now bluetooth module is powered as battery supply VCC_ battery is controlled at blue Tooth remote controller, user presses the machine open/close button on blue Tooth remote controller, starting up's signal that bluetooth module in television set is received by Anneta module, then, its input and output I/O interface draws as high level V0 by bluetooth module, now, 3rd switching tube Q3 base stage is high level, described 3rd switching tube Q3 conducting, the grid voltage of described first switching tube Q1 and described second switch pipe Q2 draws as low level 0V, now, described first switching tube Q1 conducting, machine core board is started shooting, described second switch pipe Q2 closes, and bluetooth module is powered and transferred VCC_standby to by VCC_ battery, again press the machine open/close button on blue Tooth remote controller, the input and output I/O interface of bluetooth module is pulled to low level 0V, now described 3rd switching tube Q3 base stage is low level, described 3rd switching tube Q3 not conducting, the grid voltage of described first switching tube Q1 and described second switch pipe Q2 is pulled up as high level, now, described first switching tube Q1 closes, described second switch pipe Q2 conducting, bluetooth module is powered and is transferred VCC_ battery to by VCC_standby, machine core board standby voltage VCC_standby is closed, now machine core board does not work, its stand-by power consumption is zero.
At key-press module control television boot-strap or when being in holding state, the input/output interface of described bluetooth module, namely I/O mouth voltage V0 is low level 0V, A/D sampling pin voltage V1=0V; After pressing standby button KEY, V1=R3*VCC/ (R1+R3), VCC is VCC_ battery; Now, bluetooth module detects the V1 after magnitude of voltage change, make I/O mouth voltage high be voltage V0, open button KEY, now, described 3rd switching tube Q3 conducting, described first switching tube Q1 conducting, described second switch Q2 not conducting, machine core board is started shooting, bluetooth module is powered and is transferred VCC_standby to, now V1=R3*V0/ (R2+R3) by VCC_ battery; Again, standby button KEY is pressed, now
V1=R3*V0/ (R2+R3) becomes:
V1=(R1*R3*V0+R2*R3*VCC)/(R2*R1+R1*R3+R2*R3), bluetooth module detects that magnitude of voltage V1 makes I/O mouth voltage draw as low-voltage 0V after changing, unclamp KEY, now described 3rd switching tube Q3 not conducting, the grid voltage of described first switching tube Q1 and described second switch pipe Q2 is pulled up as high level VCC_ battery, now, described first switching tube Q1 closes, described second switch pipe Q2 conducting, bluetooth module is powered and is transferred VCC_ battery to by VCC_standby, machine core board standby voltage VCC_standby is closed, now machine core board does not work, its stand-by power consumption is zero, now A/D pin voltage becomes V1=0V again.
As shown in Figure 3, be a kind of television structure schematic diagram that the utility model embodiment provides; This television set comprises: as above arbitrary described stand-by circuit.
It should be noted that, the above antenna can adopt ANT2.4GHZ antenna, the operating voltage of described bluetooth module can be provided by 5V/2000mah battery, the bluetooth module used due to the utility model is low-power consumption bluetooth module, when its power consumption is mainly used in starter motor central layer, open switch control module, other times are all at holding state, and its stand-by power consumption is microampere (UA) rank.
The utility model utilizes standby button and low-power consumption bluetooth module to coordinate the switch control rule of switch control module realization to standby voltage, namely when standby, the switching tube being controlled described switch module by button or low-power consumption bluetooth module is disconnected the standby voltage of machine core board, until when receiving start control signal, only need by bluetooth module or button, open switching tube corresponding in described switch control module, standby voltage conducting can be made to flow to machine core board and to complete start, thus, machine core board inside does not have operating voltage in the standby state, thus achieve the Zero-power-consumption standby function of machine core board.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., be all included in protection range of the present utility model.
Claims (10)
1. a stand-by circuit, is characterized in that, comprising: Anneta module, bluetooth module, key-press module and switch control module;
Described Anneta module, for receiving the switch controlling signal that blue Tooth remote controller sends;
Described bluetooth module, for the switch controlling signal received according to described Anneta module, sends the switch controlling signal controlling described switch control module;
Described key-press module, for the on off state according to button, controls the switch of described switch control module;
Described switch control module, for the switch controlling signal sent according to described bluetooth module, or, according to the on off state of described key-press module, start or close machine core board and the switching between machine core board power supply VCC_Standby and battery supply VCC_ battery.
2. stand-by circuit according to claim 1, is characterized in that, described bluetooth module comprises: input/output interface, sampling pin, Bluetooth antenna interface, power interface;
Described input/output interface is connected with described switch control module;
Described sampling pin is connected with described key-press module;
Described Bluetooth antenna interface is connected with described Anneta module;
Described power interface is connected with described machine core board power supply VCC_Standby, described battery supply VCC_ battery respectively.
3. stand-by circuit according to claim 2, is characterized in that, described bluetooth module also comprises: discharge resistance;
Described discharge resistance one end ground connection, power interface described in another termination.
4. stand-by circuit according to claim 3, is characterized in that, described key-press module comprises: button and debounce electric capacity;
After described button and described debounce Capacitance parallel connection, switch control module described in a termination, pin of sampling described in another termination.
5. stand-by circuit according to claim 4, is characterized in that, described switch control module comprises: the first switching tube, second switch pipe, the first resistance, the 3rd switching tube, the second resistance and the 3rd resistance;
Described first switching tube pin one exports described machine core board power supply VCC_Standby voltage, described first switching tube pin two meets described machine core board power supply VCC_Standby and inputs, and described first switching tube pin 3 connects described second switch pipe pin 3, described key-press module one end respectively;
Described second switch pipe pin one connects described battery supply VCC_ battery, and described second switch pipe pin two exports described battery supply VCC_ cell voltage;
Described 3rd switching tube pin one ground connection, described 3rd switching tube pin two connects described first resistance, described first switching tube pin 3, described second switch pipe pin 3 link, described 3rd switching tube pin 3 connects described second resistance one end, the 3rd resistance one end respectively, described key-press module and described sampling pin link;
Battery supply VCC_ battery described in described another termination of first resistance;
Input/output interface described in described another termination of second resistance;
Described 3rd resistance other end ground connection.
6. stand-by circuit according to claim 5, is characterized in that, described first switching tube adopts PMOS; Described second switch pipe adopts NMOS tube; Described 3rd switching tube adopts NPN triode; Described first resistance is pull-up resistor, and the second resistance is current-limiting resistance and the 3rd resistance is divider resistance.
7. stand-by circuit according to claim 6, is characterized in that, described first switching tube is used for the input of controller central layer power supply VCC_Standby voltage and disconnects; Described second switch pipe is for controlling the input of battery supply VCC_ cell voltage and disconnecting.
8. stand-by circuit according to claim 7, is characterized in that, described Anneta module comprises: antenna, filtering match circuit and filtering chip;
Described antenna connects described filtering match circuit one end;
The pin in of filtering chip described in described another termination of filtering match circuit;
The pin GND ground connection of described filtering chip, the pin out of described filtering chip connects the Bluetooth antenna interface of described bluetooth module.
9. stand-by circuit according to claim 8, is characterized in that, described filtering match circuit comprises: the second electric capacity, the 3rd electric capacity and the 4th resistance;
Described antenna connects described 4th resistance one end, described 3rd electric capacity one end respectively;
The pin in of filtering chip described in described 4th another termination of resistance;
Described 3rd electric capacity other end ground connection;
The pin in of filtering chip described in described second electric capacity one termination, other end ground connection.
10. a television set, is characterized in that, comprising: stand-by circuit described in any one in described claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327590.9U CN204795336U (en) | 2015-05-20 | 2015-05-20 | Stand -by circuit and have TV set of this circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327590.9U CN204795336U (en) | 2015-05-20 | 2015-05-20 | Stand -by circuit and have TV set of this circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204795336U true CN204795336U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520327590.9U Withdrawn - After Issue CN204795336U (en) | 2015-05-20 | 2015-05-20 | Stand -by circuit and have TV set of this circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204795336U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917982A (en) * | 2015-05-20 | 2015-09-16 | 青岛歌尔声学科技有限公司 | Standby circuit and television set with same |
| CN108170049A (en) * | 2017-12-19 | 2018-06-15 | 晶晨半导体(上海)股份有限公司 | A kind of control system that power consumption is reduced based on bluetooth equipment control intelligence system |
| CN114817104A (en) * | 2022-04-20 | 2022-07-29 | 苏州浪潮智能科技有限公司 | IIC pull-up voltage switching circuit and switching method |
-
2015
- 2015-05-20 CN CN201520327590.9U patent/CN204795336U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917982A (en) * | 2015-05-20 | 2015-09-16 | 青岛歌尔声学科技有限公司 | Standby circuit and television set with same |
| CN108170049A (en) * | 2017-12-19 | 2018-06-15 | 晶晨半导体(上海)股份有限公司 | A kind of control system that power consumption is reduced based on bluetooth equipment control intelligence system |
| WO2019119983A1 (en) * | 2017-12-19 | 2019-06-27 | 晶晨半导体(上海)股份有限公司 | Control system for controlling smart system to lower power consumption on basis of bluetooth device |
| US11372470B2 (en) * | 2017-12-19 | 2022-06-28 | Amlogic (Shanghai) Co., Ltd | Control system for controlling intelligent system to reduce power consumption based on bluetooth device |
| CN114817104A (en) * | 2022-04-20 | 2022-07-29 | 苏州浪潮智能科技有限公司 | IIC pull-up voltage switching circuit and switching method |
| CN114817104B (en) * | 2022-04-20 | 2023-07-14 | 苏州浪潮智能科技有限公司 | IIC pull-up voltage switching circuit and switching method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20180330 |