CN102281467B - Standby, timing shutdown and timing boot controlling device of set top box - Google Patents
Standby, timing shutdown and timing boot controlling device of set top box Download PDFInfo
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- CN102281467B CN102281467B CN 201010199211 CN201010199211A CN102281467B CN 102281467 B CN102281467 B CN 102281467B CN 201010199211 CN201010199211 CN 201010199211 CN 201010199211 A CN201010199211 A CN 201010199211A CN 102281467 B CN102281467 B CN 102281467B
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- chip microcomputer
- mainboard
- timing
- top box
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Abstract
The invention discloses a standby, timing shutdown and timing boot controlling device of a set top box. The device comprises a mainboard, a front control plate and a power strip. The power strip connects with the mainboard through a flat cable. The front control plate connects with the power strip and the mainboard respectively through two flat cables. The front control plate is provided with a one-chip microcomputer processor used for controlling standby and boot. A host on the mainboard monitors a standby button signal and sends a command to the one-chip microcomputer, the one-chip microcomputer sends a standby signal to the power strip, the power strip reduces power supplied to the mainboard, operation of the mainboard is stopped, only power supply of the one-chip microcomputer and an infrared receiving terminal are reserved, thus low-power standby is realized. A standby control command is sent by the mainboard, an abnormal condition appeared at next boot time caused by that a plurality of state information is not saved timely when power is off is avoided. When detecting a timing shutdown time period, the host sends a command to the one-chip microcomputer, the one-chip microcomputer outputs low level to the power strip, the power strip starts power supply of the mainboard, the set top box restarts, thus timing boot and shutdown functions are realized.
Description
Technical field
The present invention relates to technical field of digital television set-top, particularly a kind of set-top box standby and controller for timing switch.
Background technology
In recent years, China Digital TV industry particularly cable digital TV industry has continued the fast-developing impetus, digital TV set-top box market and the development of Digital Television Integral conversion synchronization, and market scale constantly increases.Therefore, set-top box is just becoming more and more requisite housed devices of user.
At present, China's most digital TV set-top box normal operation power consumption is generally 8 to 15 watts, most set-top box are when holding state, the only audio frequency and video of closure plane top box output, again indicator light is shown as holding state, the state of remaining part is identical when following normal operation, and the power consumption under the holding state and work power consumption are about the same.This standby mode circuit design is simple, but stand-by power consumption is very large.And to the whole country, total power consumption is a problem that can not be ignored.Up-to-date Chinese radio, film and television industry standard GY/T 240-2009 clear stand-by power consumption be less than 1W.In addition, set-top box can be carried out erasable operation to FLASH when starting or net greatly the software upgrading of TS stream, if the at this moment unexpected power down of mainboard or restart all might cause the FLASH chip of set-top box and damage or other unpredictable situations.
According to user's requirement, need the function of timing start-up during some set-top box standby simultaneously.For most of set-top box, timing start-up needs the host CPU timing after the standby, and CPU will work, and also is difficult to realize low-power consumption.
Summary of the invention
The objective of the invention is, set-top box standby and the controller for timing switch of a kind of convenience, low cost, low-power consumption is provided.
Goal of the invention of the present invention is achieved by the following technical solution:
A kind of set-top box standby and controller for timing switch, comprise mainboard and power panel, described power panel is connected with described mainboard by winding displacement, it is characterized in that, also be provided with front control board between described mainboard and the described power panel, described front control board by two winding displacements respectively with described power panel be connected mainboard and be connected, be provided with the processor of single chip computer for standby and start control on the described front control board, described single-chip microcomputer by holding wire respectively be arranged at front control board on infrared receiving terminal, standby button be connected with power supply indicator.
Power supply indicator on the described front control board is the reddish yellow dual-colored LED, shows redness during start, shows yellow during standby.
Described power panel is powered respectively to front control board and mainboard, and during standby, power panel only reduces the supply voltage of mainboard, keeps the front control board power supply.
During described single-chip microcomputer open state, by a multiplexing KEY0 line and the host communication on the mainboard, signal to described power panel after obtaining the standby command of main frame and temporal information, described power panel reduces the power supply of described mainboard with certain multiple, stop the work of described mainboard, thereby realize standby.
Described single-chip microcomputer uses the host communication on an IO mouth and the mainboard, adopts self-defining communications protocol.
Described single-chip microcomputer uses an IO mouth to be connected with the standby button, with monitoring standby push button signalling.
Described single-chip microcomputer uses an IO mouth to be connected with the reddish yellow dual-colored LED with power panel respectively, for power panel transmits control signal and driving LED.
Described single-chip microcomputer uses an IO mouth to be connected with infrared receiving terminal, with monitoring infrared receiving terminal signal.
The holding wire of described standby button is connected holding wire and is connected with mainboard by winding displacement with infrared receiving terminal.
Owing to adopted technique scheme, beneficial effect of the present invention is:
1. the host monitor standby push button signalling on the mainboard sends order to single-chip microcomputer by the KEY0 line, and is single
The sheet machine sends standby signal to power panel, and IO_3 is exported the standby of high level control power panel, and power panel just reduces the power supply of supplying with mainboard, stops the work of mainboard, only keeps the power supply of single-chip microcomputer and infrared receiving terminal, has realized low-power consumption standby.
2. the Opportunity awaiting control for linear order is sent by mainboard, and a lot of state informations of mainboard are not in time when having avoided outage
Preserve and occur abnormal conditions when causing the next time start.
When Host Detection to timing shutdown after the time period, send order by the KEY0 line to single-chip microcomputer, single
The sheet machine judges whether the time of timing start-up arrive, and by whether the starting-up signal of infrared receiving terminal is arranged by the IO_4 monitoring, after monitoring, with the time period zero clearing, sets a starting logo position simultaneously.Single-chip microcomputer is arranged to low level with the output of IO_3, the start of control power panel, and set-top box starts, and realizes timed startup/shutdown function.The timed startup/shutdown function of realizing in the low-power consumption standby situation is user-friendly to.
4. power supply indicator adopts the reddish yellow dual-colored LED, is user-friendly to and judges.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is system block diagram of the present invention;
Fig. 2 is the host communication protocol figure on single-chip microcomputer and the mainboard;
Fig. 3 is reddish yellow dual-colored LED indicator light connection layout;
Fig. 4 is the Single-chip Controlling flow chart.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
As shown in Figure 1, system comprises front control board, mainboard and the power panel with single-chip microcomputer, power panel is connected with mainboard by winding displacement, front control board is connected with mainboard with power panel respectively by two winding displacements, power panel is by powering respectively to mainboard and front control board, and power panel has the function of independent reduction main board power supply.Single-chip microcomputer on the front control board is used for standby and start control, by IO_1 and the mainboard communication of IO mouth, by IO_2 monitoring standby push button signalling, monitor the infrared receiving terminal signal, transmit control signal and driving LED to power panel by IO_3 by IO_4.Simultaneously the standby push button signalling line of front control board is also with the infrared receiving terminal holding wire and is connected with mainboard by the front control board winding displacement.
Shown in Figure 2: in order to save IO mouth resource, main frame is only communicated by letter by a line with single-chip microcomputer, that is, the IO_1 of IO mouth is connected to the KEYO line of key scan, and is multiplexing KEY0 line.In order to make communication simpler and reliable, with reference to the IR protocol definition communication protocol: prefix 13.5ms, " 0 " is 1.6ms, " 1 " is 2.3ms, 32.
Shown in Figure 3: power supply indicator D1 is for for the reddish yellow dual-colored LED of negative electrode, and red that, utmost point was connected with the 3V power supply of mainboard by resistance R 1 in Dragon Boat Festival, and utmost point in that of yellow passes through resistance R 2 and is connected with the IO_3 of single-chip microcomputer in Dragon Boat Festival.During open state, IO_3 is low level, so amber light does not work, the 3V of mainboard makes when red, so the start indicator light is red.During holding state, the 3V of mainboard has reduced, and IO_3 is high level, so red light does not work, amber light is bright, so indicator light is yellow during standby.The user just is easy to judge the state of set-top box like this.
Single-chip Controlling flow process of the present invention as shown in Figure 4, behind system's electrifying startup, single-chip microcomputer is IO_1, IO_2, IO_4 is made as input pattern, IO_3 is made as output mode, output low level is set a starting logo position.Single-chip microcomputer at first judges it is open state or holding state at present, and this judgement realizes by the programming sign.If open state, single-chip microcomputer IO_1 is set to input pattern.Monitoring standby button and infrared receiving terminal signal realized by main frame, if need timed power on/off, the time of timing shutdown and start arranges (perhaps program according to demand Lookup protocol) by the user in set-top box menu.When the standby signal of receiving standby button or infrared receiving terminal, perhaps the timing shutdown time arrives, and main frame just sends standby command to single-chip microcomputer by the KEY0 line, simultaneously the time period of next timing start-up is issued single-chip microcomputer.The standby command that single-chip microcomputer comes monitoring host computer to send by IO_1 after single-chip microcomputer receives standby command, is obtained the time period of timing start-up, and the beginning countdown is processed, and sets a standby flag bit.IO_3 is exported the standby of high level control power panel, and power panel just will reduce by a certain percentage for all power supplys of mainboard, only keeps the power supply of supplying with single-chip microcomputer; If holding state, single-chip microcomputer judges whether whether the time of timing start-up arrive, and by the I0_2 monitoring whether the standby button arranged simultaneously, have the starting-up signal of infrared receiving terminal by the IO_4 monitoring.After monitoring, with the time period zero clearing, set a starting logo position.Low level is arranged in the output of IO_3, the start of control power panel, set-top box starts.By above flow process, set-top box cheaply ultra-low power standby and timed power on/off control have been realized.
Operation principle of the present invention: behind the set-top box electrifying startup, single-chip microcomputer is not monitored standby button and infrared receiving terminal signal, receives only the order that main frame sends.If the user has set time of timing shutdown and start by set-top box menu, the main frame on the mainboard take the signal network time as reference, calculate the time period of timed power on/off.When one of following three kinds of situations occur: the one, the timing shutdown time arrives, and the 2nd, detect standby push button signalling, the 3rd, behind the detection infrared receiving terminal standby signal, main frame all sends the time period of standby command and timing start-up to single-chip microcomputer.After single-chip microcomputer receives standby signal, parse the time period of timing start-up, the beginning countdown, the output high level is to power panel, and power panel just turn-offs the power supply of mainboard, keeps the front control board power supply, at this moment only have single-chip microcomputer and infrared receiving terminal in work, power consumption is extremely low, has realized ultra-low power standby.
Behind the set-top box standby, microcomputer monitoring standby button and infrared receiving terminal signal, and countdown is processed.Equally, when one of following three kinds of situations occur: the one, when the timing start-up time arrives, the 2nd, detect the standby push button signalling, the 3rd, detect the infrared receiving terminal starting-up signal, all output low level is to power panel for single-chip microcomputer, and power panel is just opened the power supply of mainboard, and set-top box restarts.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (5)
1. a set-top box standby and controller for timing switch, comprise mainboard and power panel, described power panel is connected with described mainboard by winding displacement, it is characterized in that, also be provided with front control board between described mainboard and the described power panel, described front control board by two winding displacements respectively with described power panel be connected mainboard and be connected, be provided with the processor of single chip computer for standby and start control on the described front control board, described single-chip microcomputer by holding wire respectively with the infrared receiving terminal that is arranged on the front control board, the standby button is connected with power supply indicator, described single-chip microcomputer IO_1 is set to input pattern, host monitor standby button and infrared receiving terminal signal, this device is in open state, when the standby signal of receiving standby button or infrared receiving terminal, perhaps the timing shutdown time arrives, main frame sends standby command to single-chip microcomputer, simultaneously the time period of next timing start-up is issued single-chip microcomputer, the standby command that single-chip microcomputer comes monitoring host computer to send by IO_1, single-chip microcomputer receives standby command, obtain the time period of timing start-up, the beginning countdown is processed, set a standby flag bit, IO_3 is exported the standby of high level control power panel, and power panel just will reduce by a certain percentage for all power supplys of mainboard; Single-chip microcomputer judges whether the time of timing start-up arrives, whether single-chip microcomputer has the standby button by the I0_2 monitoring simultaneously, whether single-chip microcomputer has the starting-up signal of infrared receiving terminal by the IO_4 monitoring, this device is in holding state, and the time of single-chip microcomputer judgement timing start-up finishes, and single-chip microcomputer is with the time period zero clearing, single-chip microcomputer is set a starting logo position, low level is arranged in the output of single-chip microcomputer IO_3, the start of control power panel, set-top box starts.
2. set-top box standby according to claim 1 and controller for timing switch is characterized in that, described power supply indicator is the reddish yellow dual-colored LED, show redness during start, show yellow during standby.
3. set-top box standby according to claim 1 and controller for timing switch is characterized in that, described power panel is powered respectively to front control board and mainboard, and during standby, power panel only reduces the supply voltage of mainboard, keep the front control board power supply.
4. set-top box standby according to claim 1 and controller for timing switch, it is characterized in that, during described single-chip microcomputer open state, by a multiplexing KEY0 line and the host communication on the mainboard, signal to described power panel after obtaining the standby command of main frame and temporal information, described power panel reduces the supply voltage of described mainboard with certain multiple, stops the work of described mainboard, thereby realizes standby.
5. according to claim 1 or 4 described set-top box standby and controller for timing switchs, it is characterized in that described single-chip microcomputer uses the host communication on an IO mouth and the mainboard, adopts self-defining communications protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010199211 CN102281467B (en) | 2010-06-12 | 2010-06-12 | Standby, timing shutdown and timing boot controlling device of set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010199211 CN102281467B (en) | 2010-06-12 | 2010-06-12 | Standby, timing shutdown and timing boot controlling device of set top box |
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| Publication Number | Publication Date |
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| CN102281467A CN102281467A (en) | 2011-12-14 |
| CN102281467B true CN102281467B (en) | 2013-04-24 |
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| CN 201010199211 Expired - Fee Related CN102281467B (en) | 2010-06-12 | 2010-06-12 | Standby, timing shutdown and timing boot controlling device of set top box |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592865B (en) * | 2013-11-22 | 2016-04-20 | 绵阳市维博电子有限责任公司 | A kind of on-and-off control system, on-off control method and safety switch electromechanical source |
| CN104765606B (en) * | 2015-03-25 | 2017-11-24 | 广东欧珀移动通信有限公司 | The timing method for closing and control terminal of a kind of terminal |
| 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 |
| CN110582023B (en) * | 2018-06-07 | 2021-12-14 | 斑马智行网络(香港)有限公司 | Time setting method, television equipment and readable medium |
| CN110417472A (en) * | 2019-07-31 | 2019-11-05 | 四川长虹网络科技有限责任公司 | A kind of energy-saving light cat |
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| CN201044471Y (en) * | 2007-06-01 | 2008-04-02 | 深圳市同洲电子股份有限公司 | TV roof box circuit apparatus |
| CN101202867A (en) * | 2007-08-20 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Method, device for timing record program and digital television takeover terminal |
| CN101489029A (en) * | 2009-01-16 | 2009-07-22 | 深圳创维数字技术股份有限公司 | Set-top box which is multiple remote control encoding mode compatible under standby state and method |
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2010
- 2010-06-12 CN CN 201010199211 patent/CN102281467B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044471Y (en) * | 2007-06-01 | 2008-04-02 | 深圳市同洲电子股份有限公司 | TV roof box circuit apparatus |
| CN101202867A (en) * | 2007-08-20 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Method, device for timing record program and digital television takeover terminal |
| CN101489029A (en) * | 2009-01-16 | 2009-07-22 | 深圳创维数字技术股份有限公司 | Set-top box which is multiple remote control encoding mode compatible under standby state and method |
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| CN102281467A (en) | 2011-12-14 |
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Granted publication date: 20130424 Termination date: 20160612 |