CN101001339A - Control method of on-off and waiting of projection TV set - Google Patents
Control method of on-off and waiting of projection TV set Download PDFInfo
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- CN101001339A CN101001339A CNA200610004803XA CN200610004803A CN101001339A CN 101001339 A CN101001339 A CN 101001339A CN A200610004803X A CNA200610004803X A CN A200610004803XA CN 200610004803 A CN200610004803 A CN 200610004803A CN 101001339 A CN101001339 A CN 101001339A
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Abstract
This invention relates to a mode for controlling on/off of projection TV containing light source, which utilizes a state set sign, a state finish sign and delay result of a timing control unit to finish system state conversion program quickly and reach the program turning on/off TV in short time and guarantee the life time of the system.
Description
Technical field
The present invention relates to a kind of projection TV switching on and shutting down and idle method, particularly relate to a kind of projection TV switching on and shutting down of sign guiding and method of standby utilized.
Background technology
Projection TV set is made of power supply, light source, fan, liquid crystal panel and control unit at present, and light source provides liquid crystal panel to show required light source, and fan is then walked the torrid zone that light source produced rapidly.Generally speaking, off-mode is a kind of lower powered holding state, and therefore general boot action is transformed into open state by standby.For keeping the life-span of system, to wait for a period of time usually and treat just can finish boot program behind the system stability, promptly the voltage of each unit of waiting system is stable, just fan and light source is opened.System still is in the condition of high temperature during shutdown, if too early close fan when causing failing promptly the torrid zone being walked, then easily damages system, so common practices is to utilize the system delay mode now, could shut down after waiting to dispel the heat.Yet, if user's false touch shutdown, when causing system to enter shutdown programm, need etc. to be shut down after open system again, can expend time in and influence product in user's image in the heart this moment.
The shutdown mode of two-part is provided in one prior art, when power key is driven, carry out the phase I shutdown earlier, the image close of system, if when in first-class is treated the time, having other buttons to be driven, system will start picture and recover start, then not enter the second stage shutdown programm if press other buttons.In the second stage shutdown programm, the user presses any button and will be left in the basket, and promptly enters shutdown programm in the startup of second stage shutdown programm, can start shooting after to be shut down the finishing such as user's palpus again.
Another prior art provides a kind of design of counter, carries out power-off at counting again after a period of time, though but this kind way protective circuit can't provide remote-controlled start-up behind the powered-down, and needing manually can opening power, very not convenient for the user.
A prior art provides a shutdown programm again, earlier bulb is closed and timing, quickens the rotation speed of the fan heat radiation at this moment and synchronously, and bulb is closed ability powered-down after 5 minutes.The control system of this kind way concentrates on a major control block, just can't proceed next stage if a certain subprogram of system produces mistake, and then cause program to stop.
According to above-mentioned, provide a kind of and shorten the switching on and shutting down time, the shutdown mistiming by remedy and processing that the user goes back on one's word, be the important topic of projection TV switch and standby controlling method design.
Summary of the invention
The problem of deriving for fear of Centralized Control System, provide a kind of projection display equipment switching on and shutting down and standby system and method at this, each element of projection display equipment is considered as a sub-control system, and configuration independent judgment unit separately, avoid whole procedure to produce the situation that can't stop because of mistake.
In order to improve the efficient of switching on and shutting down and standby flow process, provide a kind of switching on and shutting down and standby system and method for projection TV set at this, the state that sub-control system has separately changes complement mark, and with this guide, the so effectively flow process of control switch machine and standby as the priority of routine processes.
According to above-mentioned, a kind of control system of projection TV set comprises the tv program control unit with timing control unit, the timing control unit is used to postpone timing, is electrically connected to the tv program control unit by key control unit, light source control unit, the electrical connection of radiating control unit and power control unit.A plurality of setting state signs are distinguished corresponding tv program control unit, are pressed key control unit, light source control unit, radiating control unit and power control unit, and wherein arbitrary setting state sign is in order to indicate a dbjective state of corresponding control unit.A plurality of state complement marks are distinguished corresponding tv program control unit, are pressed key control unit, light source control unit, radiating control unit and power control unit, and wherein arbitrary state complement mark is in order to a conversion driving of indication corresponding unit.When driving a state exchange of projection TV set by key control unit, the tv program control unit is according to intended conversion order and utilize the timing control unit to reach based on a plurality of state complement marks, and converted light source control unit, radiating control unit and power control unit are to meet a plurality of dbjective states.
Moreover, a kind of control method of projection TV set, be applied to comprise a projection TV set of a plurality of control units and a procedure control unit, this control method comprises a plurality of initial values of setting a plurality of setting state signs and a plurality of state complement marks, wherein arbitrary setting state sign and the corresponding arbitrary control unit of arbitrary state complement mark.Whether detect a power supply is driven, and based on power supply be driven, set one not the complement mark value give a plurality of state complement marks and set a dbjective state value and give a plurality of setting state signs, carry out at least one default control program to reach the dbjective state value of a plurality of setting state signs according to a plurality of not complement mark values.
Description of drawings
Fig. 1 is each the unit calcspar of projection TV according to one embodiment of the invention;
Fig. 2 is the system master system loop flow chart according to one embodiment of the invention;
Fig. 3 is the system boot program flow diagram according to one embodiment of the invention;
Fig. 4 is the system closedown program flow diagram according to one embodiment of the invention.
Embodiment
Fig. 1 illustrates each control unit block schematic diagram of device for projection television one embodiment.Infrared ray control unit 110 is electrically connected tv program control unit 200 with wireless mode, is electrically connected tv program control unit 200 by 130 of key control unit 120 and indicative control units in wired mode.In one embodiment, indicative control unit 130 is as image player, infrared ray control unit 110 and carry out state exchange for the control unit of system operation drives projection TV set by key control unit 120.Radiating control unit 210, light source control unit 220 and power control unit 230 are electrically connected to tv program control unit 200.When tv program control unit 200 was actuated to carry out state exchange, projection TV set carried out the state exchange (transformation) of each control unit according to a default control program.In the present embodiment, each control unit has setting state sign (OnOff Flag), state complement mark (OnOffOk Flag) and an actuator, above-mentioned can finishing by carrying out loop or software program.Except having similarly setting state sign and the state complement mark with above-mentioned each control unit, tv program control unit 200 also comprises a timing control unit 240 in order to postpone timing.
Setting state sign (being designated as OnOff) is in order to the dbjective state of indication corresponding control unit, for example with " ON " opening of corresponding control unit, and with " OFF " closed condition of corresponding control unit.State complement mark (being designated as OnOffOk) in order to the indication corresponding control unit conversion driving, for example the state exchange of control unit do not finish with "! OK " expression, finished then and be denoted as " OK " by conversion.Actuator is for example carried out control circuit, software function or subprogram and is driven these control units execution preset action, do not finish when the state complement mark is set as (! OK) time, actuator is carried out preset action, and when action is finished, the state complement mark then is set at finishes (OK).Specify ground, timing control unit 240 is in order to reaching the effect that these control units postpone, and the state complement mark that utilizes timing control unit 240 is as controlled flag, and the state complement mark of timing control unit 240 is made as "! OK " time, actuator is carried out timing and after timing is finished the state complement mark is made as " OK ", is time of delay during the timing.
Projection TV set is divided into stable state (stable state) state and state exchange (transformation).The state complement mark of tv program control unit is set at " OK " under the stable state, relatively, then is set in the state exchange "! OK ".Moreover stable state is divided into off-mode and open state, and ON and the OFF by the state complement mark of tv program control unit 200 represents respectively.The state exchange program comprises boot program and shutdown programm, and boot program is represented the program that system enters open state by off-mode, and shutdown programm represents that system is entered the program of off-mode by open state.In the present embodiment, the conversion of state is driven by infrared ray control unit 110 or by the power key (not showing on the figure) of key control unit 120.Whether next can be driven in open state or off-mode on the one hand in continuous detected state conversion, and whether then continuous detected state conversion is finished in shutdown or boot program on the other hand.
Moreover, need when starting will open light source and cooling system after the electric power starting voltage stabilizing more earlier, with the life-span of protection light source, so one embodiment of the invention utilization delay timing is opened light source to guarantee light source life owing to boot program.Be appreciated that, after shutdown programm starts and closes light source, cooling system still continuous running a period of time to take away the heat that light source produces, afterwards could be really with power-off, general light source is a bulb, but because of bulb is easily damaged because of overheated, cooling system is then realized with fan, with rotating speed control heat dissipation.
According to one of spirit of the present invention, under the stable state by a main control loop be responsible for detecting whether power key is driven and state exchange in conversion program whether finish, boot program and shutdown programm are then opened system or close according to a predefined procedure respectively and whether set condition complement mark value detects for main control loop and finish with determining program.Fig. 2 is the flow chart of one embodiment of the invention, and the main control loop of illustrative system explains orally as follows:
Start-up system 310, initialization system initial value 311.
Detected state complement mark 320,321: promptly whether the infrared ray of detection system is controlled the unit or is finished by the key control unit state exchange, if then expression system of state complement mark value OK is not in carrying out state exchange or holding state,! OK represents that system is in the process of transition status.
Whether detect power key 322 is driven: system can constantly detect whether driven loop of power key when (OnOffOk=OK) in non-state exchange.If power key is driven (YES) and represents that then system will carry out state exchange, jump out this moment and detect the power key loop.Then do not proceed to detect if drive (NO) next time, promptly enter once more and detect the power key loop.
OK).The value of OnOff may be ON or OFF, represents boot program or shutdown programm respectively.
OK) do you the time, detect state complement mark (the TIMER OnOffOk of the timing control unit of tv program control unit?), when state complement mark value=! OK represents that system needs the latency delays timing to finish, and enters the loop that late release detects and finishes up to timing, and value of statistical indicant=OK represents that then timing finishes.
Detect the state complement mark 332 of tv program control unit: after finishing delay timing (TIMEROnOffOk=OK), do you detect tv program control unit state complement mark (TV OnOffOk?), value of statistical indicant=OK representation program is finished, system enters and detects the power key loop, value of statistical indicant=! OK represents that system will carry out state exchange.
Inspect the setting state sign 333 of tv program control unit: setting state value of statistical indicant (the TV OnOff that inspects the tv program control unit?), value of statistical indicant=ON indicates to carry out boot program, and value of statistical indicant=OFF then is a shutdown programm.
Fig. 3 is the flow chart of an embodiment of boot program, and illustrative system boot program, this embodiment are set boot program and be power-on, light source and cooling system in regular turn.
Detected state complement mark 410: the state complement mark (POWEROnOffOk that detects power control unit?), value of statistical indicant=OK represents that power supply opens, value of statistical indicant=! OK represents not power-on.
Set control unit 411: power-on (POWER switch on), setting power supply status complement mark postpone timing for finishing (POWER OnOffOk=OK) and setting.
OK), actuator picks up counting, and after timing is finished the state complement mark is made as and finishes (TIMER OnOffOk=OK).
Detected state complement mark 420: the state complement mark (LAMPOnOffOk of detection light source control unit?), value of statistical indicant=OK represents that light source opens, value of statistical indicant=! OK represents that light source do not open.
Set control unit 421: open light source (LAMP switch on), set condition complement mark for finishing (LAMP OnOffOk=OK) and setting the delay timing.
OK), actuator picks up counting, and after timing is finished the state complement mark is made as and finishes (TIMER OnOffOk=OK).
Detected state complement mark 430: state complement mark (the HEAT-DISPERSANT OnOffOk that detects the radiating control unit?), state complement mark value=OK represents that cooling system opens, state complement mark value=! OK represents that cooling system do not open.
Setting program control unit 431: open radiating control unit (HEAT-DISPERSANT switchon), set condition complement mark for finishing (HEAT-DISPERSANT OnOffOk=OK) and setting the delay timing.
OK), actuator picks up counting, and after timing is finished the state complement mark is made as and finishes (TIMER OnOffOk=OK).
Set condition complement mark 440: the Status Flag of setting the tv program control unit is for finishing (TVOnOffOk=OK), and the expression boot program is finished, and infrared ray is controlled the unit reaches state complement mark by key control unit and be made as and finish " OK ".
Start enough makes power supply stable just with the light source unlatching time of delay, or the cooling system accelerated service guarantees that to reach to stablize the heat that system is produced can be pulled away in time of delay.
Fig. 4 is the flow chart of an embodiment of shutdown programm, and illustrative system shutdown programm, this embodiment are set shutdown programm in regular turn for closing light source, closing cooling system and powered-down.
Detected state complement mark 510: the state complement mark (LAMPOnOffOk of detection light source procedure control unit?), value of statistical indicant=OK represents that the light source procedure control unit closes, value of statistical indicant=! OK represents that light source do not close.
Setting program control unit 511: close light source (LAMP switch off), set the state complement mark of light source procedure control unit for finishing (LAMP OnOffOk=OK) and setting the delay timing.
OK), actuator picks up counting, and after timing is finished the state complement mark is made as and finishes (TIMER OnOffOk=OK).
Detected state complement mark 520: state complement mark (the HEAT-DISPERSANT OnOffOk that detects the radiating control unit?), value of statistical indicant=OK represents that cooling system closes, value of statistical indicant=! OK represents that cooling system do not close.
Setting program control unit 521: close cooling system (HEAT-DISPERSANT switch Off), set the state complement mark of radiating control unit for finishing (HEAT-DISPERSANT OnOffOk=OK) and setting the delay timing.
OK), actuator picks up counting, and after timing is finished the state complement mark is made as and finishes (TIMER OnOffOk=OK).
Detected state complement mark 530: the state complement mark (POWEROnOffOk that detects power control unit?), value of statistical indicant=OK represents that power supply closes, value of statistical indicant=! OK represents that power supply do not close.
Setting program control unit 531: powered-down (POWER switch Off), set condition complement mark postpone timing for finishing (POWER OnOffOk=OK) and setting.
OK) actuator picks up counting, and after timing is finished the state complement mark is made as and finishes (TIMER OnOffOk=OK).
Set condition complement mark 540: the state complement mark of setting the tv program control unit is for finishing (TVOnOffOk=OK), and the expression shutdown programm is finished, and infrared ray is controlled the unit reaches state complement mark by key control unit and be made as and finish " OK ".
According to one of spirit of the present invention, the off delay time enough allows light-source temperature reduce to low temperature and reaches capable of starting up temperature, and in order to shorten the unused time, can quicken the cooling system running in time of delay.Judgment processing mode about the false touch power key is, if when detecting other operating keys being pressed in time of delay, then with the electric power starting and the complement mark that returns to form, system can open rapidly again.
Above embodiment, it mainly is the carryover effects that sees through setting state sign, state complement mark, an executive circuit or function (Switch) and timer, reach the flow process of main control loop and start and shutdown programm, utilize program software to finish or utilize IC design to realize all can reaching the control method of state exchange program.
Only the above only is preferred embodiment of the present invention, can not limit the scope of the invention with this.Promptly the equalization of being done according to claim scope of the present invention changes and modifies, and will not lose main idea of the present invention place, and also without departing from the spirit or scope of the invention, the former capital should be considered as further enforcement situation of the present invention.
Claims (8)
1. the control system of a projection TV set comprises:
Tv program control unit, described tv program control unit comprise the timing control unit in order to postpone timing;
Be electrically connected to described tv program control unit by key control unit;
Light source control unit is electrically connected to described tv program control unit;
The radiating control unit is electrically connected to described tv program control unit;
Power control unit is electrically connected to described tv program control unit;
A plurality of setting state signs are corresponding described tv program control unit, described by key control unit, described light source control unit, described radiating control unit and described power control unit respectively, and wherein arbitrary described setting state sign is in order to indicate a dbjective state of described corresponding control unit; And
A plurality of state complement marks are corresponding described tv program control unit, described by key control unit, described light source control unit, described radiating control unit and described power control unit respectively, and wherein arbitrary described state complement mark is in order to indicate a conversion driving of described corresponding unit;
When described when driving a state exchange of projection TV set by key control unit, described tv program control unit is according to intended conversion order and utilize described timing control unit to reach based on described a plurality of state complement marks, changes described light source control unit, described radiating control unit and described power control unit to meet described a plurality of dbjective state.
2. the control system of projection TV set as claimed in claim 1 is characterized in that arbitrary described setting state sign comprises an opening and a closed condition of indicating described corresponding control unit.
3. the control system of projection TV set as claimed in claim 1 is characterized in that arbitrary described state complement mark comprises a unfinished state and a completion status of indicating described corresponding control unit.
4. the control system of projection TV set as claimed in claim 1 is characterized in that also comprising the state exchange that an infrared ray is controlled the unit drives projection TV set.
5. the control system of projection TV set as claimed in claim 1 is characterized in that also comprising a liquid crystal display control unit.
6. the control system of projection TV set as claimed in claim 1, it is characterized in that also comprising a plurality of control executive circuits corresponding described tv program control unit, described respectively, in order to carry out the state exchange of described corresponding control unit by key control unit, described light source control unit, described radiating control unit and described power control unit.
7. the control system of projection TV set as claimed in claim 1 is characterized in that described radiating control unit is a fan control unit.
8. the control method of a projection TV set is applied to the control system of the projection TV set of claim 1, and the control method of described projection TV set comprises:
Set a plurality of initial values of described a plurality of setting state sign and a plurality of state complement marks, wherein arbitrary described setting state sign and the corresponding arbitrary control unit of arbitrary described state complement mark;
Detect and whether drive a power supply;
Based on driving described power supply, setting one not complement mark value is given described a plurality of state complement marks and is set a dbjective state value and give described a plurality of setting state signs; And
Carry out at least one default control program to reach the described dbjective state value of described a plurality of setting state signs according to described a plurality of not complement mark values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610004803XA CN100499765C (en) | 2006-01-11 | 2006-01-11 | Control method of on-off and waiting of projection TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610004803XA CN100499765C (en) | 2006-01-11 | 2006-01-11 | Control method of on-off and waiting of projection TV set |
Publications (2)
| Publication Number | Publication Date |
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| CN101001339A true CN101001339A (en) | 2007-07-18 |
| CN100499765C CN100499765C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610004803XA Expired - Fee Related CN100499765C (en) | 2006-01-11 | 2006-01-11 | Control method of on-off and waiting of projection TV set |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489071B (en) * | 2008-01-15 | 2010-09-29 | 深圳市科创数字显示技术有限公司 | System for preventing optical projection television from abnormal shutdown and implementing method thereof |
| CN103676435A (en) * | 2012-09-21 | 2014-03-26 | 精工爱普生株式会社 | Projector and method of controlling projector |
| CN109686237A (en) * | 2018-12-18 | 2019-04-26 | 河南工业和信息化职业学院 | A kind of electronic information displaying device and its adjusting method easily adjusted |
| CN111190371A (en) * | 2020-01-10 | 2020-05-22 | 广州优谷信息技术有限公司 | Power supply control system, method and storage medium of reading kiosk |
-
2006
- 2006-01-11 CN CNB200610004803XA patent/CN100499765C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489071B (en) * | 2008-01-15 | 2010-09-29 | 深圳市科创数字显示技术有限公司 | System for preventing optical projection television from abnormal shutdown and implementing method thereof |
| CN103676435A (en) * | 2012-09-21 | 2014-03-26 | 精工爱普生株式会社 | Projector and method of controlling projector |
| CN103676435B (en) * | 2012-09-21 | 2016-01-06 | 精工爱普生株式会社 | Projector and control method thereof |
| US9939716B2 (en) | 2012-09-21 | 2018-04-10 | Seiko Epson Corporation | Projector and method of controlling projector |
| CN109686237A (en) * | 2018-12-18 | 2019-04-26 | 河南工业和信息化职业学院 | A kind of electronic information displaying device and its adjusting method easily adjusted |
| CN111190371A (en) * | 2020-01-10 | 2020-05-22 | 广州优谷信息技术有限公司 | Power supply control system, method and storage medium of reading kiosk |
| CN111190371B (en) * | 2020-01-10 | 2021-02-02 | 广州优谷信息技术有限公司 | Power supply control system, method and storage medium of reading kiosk |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100499765C (en) | 2009-06-10 |
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Granted publication date: 20090610 Termination date: 20130111 |