CN201499211U - Automatic power-off circuit for standby of set-top box - Google Patents
Automatic power-off circuit for standby of set-top box Download PDFInfo
- Publication number
- CN201499211U CN201499211U CN2009202364011U CN200920236401U CN201499211U CN 201499211 U CN201499211 U CN 201499211U CN 2009202364011 U CN2009202364011 U CN 2009202364011U CN 200920236401 U CN200920236401 U CN 200920236401U CN 201499211 U CN201499211 U CN 201499211U
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- top box
- switch
- button
- armature
- power supply
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- Expired - Fee Related
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to the field of the set-top box, in particular to a circuit which can automatically cut off the power supply under the standby state of the set-top box. The circuit comprises a main control chip and a power switch, wherein the power switch is a controllable mechanical switch, and the main control chip controls the controllable mechanical switch to bound up to cut off power through a drive circuit after receiving standby signals from a remote control for a certain time. The controllable mechanical switch comprises a button which is provided with an armature on the lower end and an electromagnetic coil which can absorb the armature when powered up; the lower end of the armature is provided with a spring, and the spring is compressed when the button is pressed down so as to switch on the power supply; and when the button is pressed down again, the spring is reset, and the button can bounce up. The utility model can automatically control the bouncing of the power switch to cut off the power supply after the set-top box stands by for a certain period, and the specific period can be set in programs, thereby effectively preventing the waste of electric energy caused when the user does not switch off the power supply after closing the set-top box with the remote control or the user forgets to switch off the power supply, preventing the damage to the set-top box caused by the long-term standby, and prolonging the service life of the set-top box.
Description
Technical field
The utility model relates to the set-top box technique field, specifically is meant the power-down circuit that can cut off power supply after a kind of standby that is applied to set-top box automatically.
Background technology
Along with popularizing and development of digital television techniques, top box of digital machine has become the indispensable equipment in many families parlor.For easy to operate, set-top box all disposes remote controller, and has idle function, and people also have been accustomed to the convenience that standby brought, as long as press remote controller gently, just can open or close set-top box, and need not walk close to press the mains switch on the set-top box.In fact this holding state of set-top box is not really cut off the electricity supply, and set-top box remains energy resource consumption.If we finish watching standby behind the TV evening, set-top box can standby a whole night, if daytime, powered-down was forgotten in working hastily once more, like this set-top box standby a whole day again, accumulate over a long period, power consumption is surprising, causes the significant wastage of electric energy.
The utility model content
The problem that the utility model need solve provide a kind of realize behind the set-top box standby can auto power off circuit.
For addressing the above problem, the technical scheme that the utility model is taked is: provide a kind of set-top box standby automatic power-down circuit, this circuit comprises main control chip and mains switch, described mains switch adopts a controllable mechanical switch, and described main control chip receives behind the remote controller standby signal certain hour by the outage of upspringing of drive circuit control controllable mechanical switch.
But described controllable mechanical switch comprises the lower end and is provided with the button of armature and the solenoid of energising adhesive armature, described solenoid one end ground connection, and an end is connected with drive circuit; Spring is established in described armature lower end, and button is pressed then power connection of length of spring compressed; Button is pressed spring reset once more button is upspring.
Described drive circuit comprises triode Q1, Q2, the main control chip control signal makes triode Q1 conducting and then makes the triode Q2 conducting that is connected with the Q1 collector electrode through resistance R 2, and then the solenoid energising makes the armature adhesive, and armature drives button pressed downwards, the action that the simulation staff is pressed button is cut off the electricity supply.
The beneficial effects of the utility model are: described circuit can be behind set-top box standby a period of time automatic control power supply switch upspring and cut off the electricity supply, the concrete time can be by program setting, be not related to power supply or forget the waste of energy phenomenon that causes when closing power supply after effectively having avoided the user with remote controller closure plane top box, the damage of simultaneously also avoiding the standby of set-top box long period to cause has prolonged the useful life of set-top box.
Description of drawings
Fig. 1 forms schematic diagram for the utility model circuit theory.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The utility model is intended to protect the circuit that can cut off the electricity supply automatically after a kind of standby, and this circuit not only can be applied in the set-top box, can be applied to equally have in the electrical equipment of similar switch with set-top box, realizes cutting off the power supply automatically after the standby.
As shown in Figure 1, the major part of circuit described in the utility model is a controllable mechanical K switch, and this controllable mechanical K switch top is the same with the mains switch on the common set-top box, when pressing the button 1, spring 2 is compressed, and connects civil power and set-top box interior power supply circuit; When pressing button 1 once more, to upspring at the reset response power knob down 1 of spring 2, power supply disconnects.
Below button 1, be provided with the armature 3 that cooperates with solenoid J, solenoid J one end ground connection, a termination transistor drive circuit.Diode D1 reversal connection shields to circuit in solenoid J two ends.Triode Q1, Q2, resistance R 1, R2, R3, R4 constitute the drive circuit of solenoid J.
When K switch was pressed energized for the first time, main control chip did not have control signal, because resistance R 1 one end ground connection, triode Q1 base potential is zero ends, thereby triode Q2 also ends, and solenoid J and power supply VCC cut off, solenoid J does not work, yet not power consumption.Receive the standby signal of remote controller when main control chip after, the time block of main control chip inside picks up counting, after the unused time that reaches user's setting, high level pulse signal of main control chip output, this signal makes triode Q1 conducting, thereby also conducting of triode Q2, power supply VCC is added on the solenoid J by Q2, and the solenoid energising makes armature 3 adhesives, and armature 3 drives button 1 action, simulated the situation that button is pressed for the second time, power supply disconnects; Also dead electricity of main control chip afterwards, then triode Q1 ends because of base potential is dragged down by resistance R 1 again, causes Q2 to end, solenoid J quits work, and this moment, armature lost the adhesive effect, under the effect of spring, K switch is upspring, and has reached the purpose of cutting off the electricity supply.
But the utility model is energy savings not only, can prolong the useful life of electrical equipment such as set-top box simultaneously.
Claims (3)
1. automatic power-down circuit of set-top box standby, comprise main control chip and mains switch, it is characterized in that described mains switch adopts a controllable mechanical switch, described main control chip receives behind the remote controller standby signal certain hour by the outage of upspringing of drive circuit control controllable mechanical switch.
2. the automatic power-down circuit of set-top box standby according to claim 1, it is characterized in that, but described controllable mechanical switch comprises the lower end and is provided with the button of armature and the solenoid of energising adhesive armature, described solenoid one end ground connection, and an end is connected with drive circuit; Spring is established in described armature lower end, and button is pressed then power connection of length of spring compressed; Button is pressed spring reset once more button is upspring.
3. the automatic power-down circuit of set-top box standby according to claim 2, it is characterized in that, described drive circuit comprises triode Q1, Q2, the main control chip control signal makes triode Q1 conducting and then makes the triode Q2 conducting that is connected with the Q1 collector electrode through resistance R 2, and then the solenoid energising makes the armature adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202364011U CN201499211U (en) | 2009-09-25 | 2009-09-25 | Automatic power-off circuit for standby of set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202364011U CN201499211U (en) | 2009-09-25 | 2009-09-25 | Automatic power-off circuit for standby of set-top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201499211U true CN201499211U (en) | 2010-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202364011U Expired - Fee Related CN201499211U (en) | 2009-09-25 | 2009-09-25 | Automatic power-off circuit for standby of set-top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201499211U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107223338A (en) * | 2017-04-01 | 2017-09-29 | 深圳市智晟达科技有限公司 | The method and set top box of set top box are closed according to tv state |
| CN110299122A (en) * | 2019-07-05 | 2019-10-01 | 福州京东方光电科技有限公司 | Display mode control circuit and its driving method, display mode control system |
| CN112153431A (en) * | 2020-09-25 | 2020-12-29 | 南京庆与旭电子商务有限公司 | Energy-saving environment-friendly television box fixing equipment based on magnetic attraction principle |
| CN115425618A (en) * | 2022-10-24 | 2022-12-02 | 东莞市森威电子有限公司 | Automatic shutdown circuit of non-resilient switch |
-
2009
- 2009-09-25 CN CN2009202364011U patent/CN201499211U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107223338A (en) * | 2017-04-01 | 2017-09-29 | 深圳市智晟达科技有限公司 | The method and set top box of set top box are closed according to tv state |
| CN110299122A (en) * | 2019-07-05 | 2019-10-01 | 福州京东方光电科技有限公司 | Display mode control circuit and its driving method, display mode control system |
| CN112153431A (en) * | 2020-09-25 | 2020-12-29 | 南京庆与旭电子商务有限公司 | Energy-saving environment-friendly television box fixing equipment based on magnetic attraction principle |
| CN115425618A (en) * | 2022-10-24 | 2022-12-02 | 东莞市森威电子有限公司 | Automatic shutdown circuit of non-resilient switch |
| EP4362334A1 (en) * | 2022-10-24 | 2024-05-01 | Sndway Technology (Guangdong) Co., Ltd. | Automatic power off circuit of non-rebound switches |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 516002 Guangdong City, Huizhou Digital Industrial Park, No. 4, South District, building 1, floor 2 Patentee after: Huizhou Unionman Technology Co., Ltd. Address before: 516007, Huicheng District, Guangdong Province, Huizhou Road, No. 8 Huayang Building No. 8, 14, 18 floor Patentee before: Huizhou Unionman Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG UNIONMAN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUIZHOU UNIONMAN TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 516002 Guangdong City, Huizhou Digital Industrial Park, No. 4, South District, building 1, floor 2 Patentee after: Guangdong Unionman Technology Co., Ltd. Address before: 516002 Guangdong City, Huizhou Digital Industrial Park, No. 4, South District, building 1, floor 2 Patentee before: Huizhou Unionman Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20140925 |
|
| EXPY | Termination of patent right or utility model |