CN101625511B - Projection equipment and control method thereof - Google Patents
Projection equipment and control method thereof Download PDFInfo
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- CN101625511B CN101625511B CN2008101162135A CN200810116213A CN101625511B CN 101625511 B CN101625511 B CN 101625511B CN 2008101162135 A CN2008101162135 A CN 2008101162135A CN 200810116213 A CN200810116213 A CN 200810116213A CN 101625511 B CN101625511 B CN 101625511B
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Abstract
The invention provides projection equipment and a control method thereof. The equipment comprises an acoustic control sensor module and a control module, wherein the acoustic control sensor module is used for detecting the acoustic intensity of the environment in which the projection equipment exists and sends a first control signal when the detected acoustic intensity is smaller than a preset acoustic intensity threshold; and the control module is used for starting to record the length of the time when the acoustic intensity of the environment in which the projection equipment exists is smaller than the acoustic intensity threshold and controls the projection equipment in a boot-up state to be in a low-power operation mode when the recorded time length reaches a preset first time length. According to the technical scheme, a user can keep the projection equipment in the low-power operation mode to save power during a projection equipment use break.
Description
Technical field
The present invention relates to the shadow casting technique field, particularly relate to a kind of projector equipment and control method thereof.
Background technology
The power of bulb has determined projection brightness to a great extent in the projector equipment, and bulb life also is directly connected to the tenure of use of complete machine, and wherein, the power consumption of bulb has occupied more than 80% of the whole power consumption of projector.At present, many projector equipments provide energy saver mode, two kinds of bulbs are set in projector use pattern, generally are divided into general mode and low-power mode.
In realizing process of the present invention, the inventor finds to exist at least in the prior art problem:
In the prior art; For energy-conservation; A kind of mode be the user in use; Through in the no signal source during state, through manually be provided with the long period automatically shutdown carry out energy-conservationly, this control mode not have consideration can't be implemented in the process that the user uses projector equipment as energy-conservation in the rest interval process yet; Another kind of mode is through reducing bulb power; Make bulb be in not full load state work down for a long time; Promptly come energy-conservation at low moving rate state through projector equipment is worked long hours; This mode is because not full-load operation of bulb has caused optical parametrics such as brightness can't satisfy the normal use of the various occasions of user fully.
Summary of the invention
Embodiments of the invention provide a kind of projector equipment and control method thereof, this projector equipment and control method thereof can the user use carry out in the projector equipment process energy-conservation.
To achieve these goals, on the one hand, a kind of projector equipment is provided, wherein, comprises:
The acoustic control sensing module is used for the intensity of sound of detection of projection devices environment of living in, and when said detected intensity of sound is lower than preset intensity of sound threshold value, sends first control signal;
Control module; Be used for after receiving said first control signal; The intensity of sound of the said projector equipment of opening entry environment of living in is lower than the time span of said intensity of sound threshold value; And reaching preset very first time during length in the time span of said record, the said projector equipment that control is in open state is in low power operational mode.
On the other hand, a kind of projector equipment is provided, wherein, comprises:
Whether the signal source detection module is used to detect the projector equipment that is in open state and keeps current signal source constant, and when said projector equipment keeps current signal source constant, sends the 4th control signal;
Control module; Be used for after receiving said the 4th control signal; The said projector equipment of opening entry keeps the current constant time span of signal source, and when the time span of said record reaches preset second time span, controls said projector equipment and be in low power operational mode.
Another aspect provides a kind of control method of projector equipment, wherein, comprising:
The intensity of sound of detection of projection devices environment of living in;
When said projector equipment was in open state, if said detected intensity of sound is lower than preset intensity of sound threshold value, then the intensity of sound of the said projector equipment of opening entry environment of living in was lower than the time span of said intensity of sound threshold value;
If the time span of said record reaches preset very first time length, then control the said projector equipment that is in open state and be in low power operational mode.
Again on the one hand, a kind of control method of projector equipment is provided, wherein, comprises:
Whether detection of projection devices keeps current signal source constant;
If said projector equipment keeps current signal source constant, then the said projector equipment of opening entry keeps the current constant time span of signal source;
If when the time span of said record reaches preset second time span, control said projector equipment and be in low power operational mode.
A technical scheme in the technique scheme has following technique effect:
Judge the current resting state at intermittence that whether is in use of projector equipment through the intensity of sound size of the current environment of living in of detection of projection devices; And be lower than preset intensity of sound threshold value in detected intensity of sound and reach predetermined very first time during length; Judge the current resting state at intermittence that is in use of projector equipment; And the control projector equipment is in low power operational mode; Thereby the user can realize energy-conservation through projector equipment being controlled at low power operational mode in having a rest the intermittence of using projector equipment.
Another technical scheme in the technique scheme has following technique effect:
Come detection of projection devices whether to keep current signal source constant through the signal source detection module; And when projector equipment keeps this state to reach the second preset time span; The control projector equipment is in low power operational mode; It is energy-conservation to realize that the user realizes in using the process of projector equipment, as in rest interval or other realize when not needing the situation of switching signal source for a long time energy-conservation.
Description of drawings
Fig. 1 is the structural representation of the projector equipment of one embodiment of the invention;
Fig. 2 is the structural representation of the projector equipment of another embodiment of the present invention;
Fig. 3 is the schematic flow sheet of control method of the projector equipment of one embodiment of the invention;
Fig. 4 is a concrete schematic flow sheet of realizing of the control method of the present invention's projector equipment embodiment illustrated in fig. 3;
Fig. 5 is the schematic flow sheet of control method of the projector equipment of another embodiment of the present invention.
Embodiment
For technical matters, technical scheme and advantage that the embodiment of the invention will be solved is clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
Fig. 1 is the structural representation of the projector equipment of one embodiment of the invention.Like Fig. 1, the projector equipment 100 of one embodiment of the invention comprises: acoustic control sensing module 101 is used for the intensity of sound of detection of projection devices environment of living in, and when said detected intensity of sound is lower than preset intensity of sound threshold value, sends first control signal; Control module 102; Be used for after receiving said first control signal; The intensity of sound of the said projector equipment of opening entry environment of living in is lower than the time span of said intensity of sound threshold value; And reaching preset very first time during length in the time span of said record, the said projector equipment that control is in open state is in low power operational mode.
Exemplarily, this acoustic control sensing module comprises the acoustic control sensor.
Exemplarily, tut intensity can be represented through the size of sound decibel number.
Exemplarily, the function of above-mentioned control module can realize through the processor of projector equipment.
Preferably, in the projector equipment of this embodiment, said acoustic control sensing module comprises: the second control signal sending module is used for when said detected intensity of sound is not less than preset intensity of sound threshold value, sending second control signal; Said control module comprises: first processing module, be used for after receiving said second control signal, and the said projector equipment that control is in open state is in the capacity operation pattern.Exemplarily, this first processing module can realize through the processor that is provided with in the projector equipment.
Preferably; In the projector equipment of this embodiment; Said control module also comprises: timing module, be used for after receiving said first control signal, and the intensity of sound of the said projector equipment of opening entry environment of living in is lower than the time span of said intensity of sound threshold value; And reach said very first time during length in the time of said record, send the 3rd control signal; Second processing module is used for after receiving said the 3rd control signal, controlling said projector equipment and being in low power operational mode.
Exemplarily, the timing module of use can be a timer, as being the count-down device with countdown function, presets the time span that needs timing through the initial value that this timer is set in advance; When the intensity of sound of judging the current environment of living in of projector equipment is lower than preset intensity of sound threshold value; Start this timer; This timer carries out countdown; When countdown finishes; Counter sends the timing end signal, and this timing end signal promptly is sent to second processing module as the 3rd control signal, and this timing end signal means that promptly the time span of timer record is that the time span that the intensity of sound of the current environment of living in of projector equipment is kept the state that is lower than the intensity of sound threshold value has reached preset very first time length; After receiving this first control signal, the projector equipment control that second processing module will be in open state is in low power operational mode.
Exemplarily, the acoustic control sensing module can be set regularly detect, can be through the frequency of the time interval length adjustment detection that regularly detects be set.
Exemplarily; Control module can be through the control projector equipment the rotating speed of power and fan of bulb control projector equipment and be in capacity operation pattern or low power operational mode; When being in the capacity operation pattern; It is higher to adjust the power that makes bulb rotating speed big, fan, when being in low power operational mode, can adjust that the power that makes bulb is less, the rotating speed of fan is lower.Exemplarily, the adjustment mode of use can be used the adjustment mode of width modulation (PWM, Pulse Width Modulation).
The projector equipment of the embodiment of the invention has bigger sound according to the user usually in using the projector equipment process; Sound like meeting spokesman, speaker or teacher, classmate in meeting, speech or the classroom of using projector equipment; And in intermittently of use having a rest because the room that personnel leave the meeting room or classroom etc. is provided with projector equipment makes the sound features of smaller of projector equipment surrounding environment; Be at projector equipment under the state of start; Come the intensity of sound of the current environment of living in of detection of projection devices to judge the user mode that projector equipment is current through the acoustic control sensing module, be greater than or equal to preset intensity of sound threshold value, then judge current projector equipment and be in user mode like the sound of the current environment of living in of detected projector equipment; And the control projector equipment is in the capacity operation pattern; Wherein, if projector equipment current be to be in the capacity operation pattern, then keep present mode of operation constant; If the current low power operational mode that is in of projector equipment then switches to the capacity operation pattern with projector equipment; If the sound of the current environment of living in of detected projector equipment is lower than preset intensity of sound threshold value; And keep this state and reach preset time span threshold value, then judge the current user mode that is not in of projector equipment, and the control projector equipment is in low power operational mode; Like this can be at the intermittence of projector equipment use; Make when occurring taking a break in the purposes in meeting like projector equipment, this rest process is detected, and projector equipment is switched to low power operational mode; Thereby can realize power saving function; And the damage of also having avoided frequent switch projector equipment to cause, and the inconvenience on using have been avoided projector equipment being arranged on the defective that low power operational mode brings for a long time to projector equipment for energy-conservation.
Preferably; Can to utilize sound control to come energy-conservation function setting be optional function with above-mentioned in projector equipment, the user can select to be provided with or this function is not set according to the use scene of projector equipment, exemplarily; Can be through the on-screen menu (OSD of projector equipment; On-Screen Display) selects this function, and corresponding very first time length is set, as the initial value of timer is set.Wherein, Characteristics according to sound in projector equipment institute's environment for use and the scene; Sound waves during like its user mode emotionally when condition, rest sound waves emotionally condition the intensity of sound threshold value is set; And select to have the acoustic control sensing module of corresponding sound intensity threshold, or the acoustic control sensing module is carried out relative set.
Preferably, in the projector equipment of this embodiment, wherein, said control module also comprises: the second control signal judge module, be used for timing course at said timing module, and judge whether to receive said second control signal; The reset signal sending module is used in the judged result of the said second control signal judge module sending reset signal to said timing module when being, notifies said timing module to reset.It is the projector equipment of the embodiment of the invention; In the process of timer timing; If control module receives second control signal that needs the equipment capacity operation; Then send reset signal and give timer, the notice timer stops timing, resets and promptly recover initial value, and this moment, projector equipment was still kept original capacity operation pattern.Like this, the projector equipment of the embodiment of the invention can not be lower than the intensity of sound threshold value because of the sound decibel number one of projector equipment surrounding environment, with regard to frequent running mode switching, thereby has brought bigger convenience for user's use.
Preferably; In the projector equipment of this embodiment; Wherein, Said control module comprises: full-power mode recovers module, is used for when said projector equipment is in low power operational mode and said control module and receives the capacity operation pattern trigger pip of said second control signal or extraneous input, said projector equipment being switched to said capacity operation pattern.Can guarantee the user like this when needs use projector equipment, the projector equipment that will be in low-power mode soon switches to the pattern of capacity operation, thinks that the user provides normal service.
Fig. 2 is the structural representation of the projector equipment of another embodiment of the present invention.Like Fig. 2; The present invention's projector equipment 200 of embodiment again comprises: signal source detection module 201; Be used to detect the projector equipment that is in open state and whether keep current signal source constant, and when said projector equipment keeps current signal source constant, send the 4th control signal; Control module 202; Be used for after receiving said the 4th control signal; The said projector equipment of opening entry keeps the current constant time span of signal source, and when the time span of said record reaches preset second time span, controls said projector equipment and be in low power operational mode.
The embodiment of the invention also discloses a kind of control method of projector equipment.Fig. 3 is the schematic flow sheet of control method of the projector equipment of one embodiment of the invention.Like Fig. 3, the control method of this projector equipment comprises:
Preferably; In the control method of the embodiment of the invention; Be lower than in the process of time span of said intensity of sound threshold value in the intensity of sound of record said projector equipment environment of living in, for example in the process of timer timing, be not less than said intensity of sound threshold value if detect the intensity of sound of said projector equipment environment of living in; For example when control module receives second control signal that the acoustic control detecting device sends; Then stop said record, and the time span value of said record is reverted to initial value, for example timer is resetted.
Preferably; In the control method of the embodiment of the invention; When projector equipment is in low power operational mode, be not less than said intensity of sound threshold value if detect the intensity of sound of said projector equipment environment of living in, receive second control signal like the control module such as the processor of projector equipment; Perhaps receive the capacity operation pattern trigger pip of extraneous input, then projector equipment is switched to said capacity operation pattern.Provide one of control method of the present invention's projector equipment embodiment illustrated in fig. 3 example more specifically through Fig. 4 below.
Like Fig. 4, in this example, the control method of projector equipment comprises the steps:
The user is through the respective menu items of the OSD of projector equipment; Select and start the sound control energy-saving function of the embodiment of the invention; And be provided with the initial value of timer; Thereby the sound decibel number of having confirmed the residing environment of projector equipment is lower than preset intensity of sound threshold value when reaching time span how long, and the projector equipment that is in open state will switch to low power operational mode, promptly preset very first time length through timer;
After starting this sound control energy-saving function, through the intensity of sound that the acoustic control sensor comes detection of projection devices environment of living in, this intensity of sound can be represented through sound decibel number;
When the decibels that draws equals or exceeds preset intensity of sound threshold value; Sending the sound normal signal is the processor that the SoundOK signal is given projector equipment, and exemplarily, this processor can be the DDP processor; DDP processor like the DLP projector product that provides by TI company; This sound normal signal is first control signal, and processor confirms that this moment, projector equipment need be in the capacity operation pattern, and the control projector equipment is in the capacity operation pattern; Wherein, This intensity of sound threshold value can be by producer's pre-set one or more optional default values of elder generation before projector equipment dispatches from the factory; Also can be that the user is provided with after buying projector equipment; Also can be after the user uses this sound control energy-saving function for the first time by the user be provided with and in follow-up use this setting can continue to continue to use until the user and change this settings, can also be to set according to current environment for use and scene by the user in each this sound control energy-saving function of startup by the user;
When the decibels that draws is lower than preset intensity of sound threshold value, sends enabling signal and give timer, to carry out timing start-up time; Exemplarily, timer is the count-down device with countdown function;
When the timer countdown finishes; Sending the sound shortage signal is the processor that the SoundNG signal is given projector equipment; Make system get into low power operation, this sound shortage signal is the timing end signal of count-down device in this example, be sent to processor by this signal as first control signal; Processor receives behind this signal, will control projector equipment and be in or switch to low power operational mode; Exemplarily; Processor is after receiving this first control signal; Can adopt PWM intelligence regulative mode to adjust the bulb powered module and the fan control module of projector equipment, make projector equipment be in low power operational mode through the power of reduction bulb and the rotating speed of fan; When projector equipment is in low power operational mode; As receive the SoundOK signal or receive the manually entering capacity operation pattern trigger pip of input of user; Projector equipment will recover or switch to the capacity operation pattern immediately; Exemplarily, still can improve the power of bulb in the above-mentioned bulb module and the rotating speed of blower module fan through PWM intelligence regulative mode, and and then the power of raising projector equipment;
In the process of timer countdown; If there is the SoundOK signal to re-send to processor; Then send reset signal by processor and give timer, the initial value of recovery timer, timer stop timing, reset; After receiving the timing of next SoundNG signal enabling, pick up counting again, and projector equipment keeps original capacity operation pattern at this moment.
Fig. 5 is the schematic flow sheet of control method of the projector equipment of another embodiment of the present invention.Like Fig. 5, the control method of this projector equipment comprises:
Whether step 501, detection of projection devices keep current signal source constant;
Step 503 if the time span of said record is a projector equipment when keeping the constant state of above-mentioned signal source to reach preset second time span, is controlled said projector equipment and is in low power operational mode.
The control method of the projector equipment of this embodiment of the invention; For the projector equipment that is in open state; Can realize detection through sensed signal sources to projected picture, as the signal source that detects projection to keep long-time motionless be projected picture when keeping motionless for a long time, projector equipment control is operated in low-power mode; Operate in the capacity operation pattern like current projector equipment; Then projector equipment is switched to low power operational mode, realize energy-conservationly in the process of projector equipment, realize energy-conservation like rest interval or when not needing switching signal source for a long time thereby can use the user.
One of ordinary skill in the art will appreciate that; Realize that all or part of step in the method for the above-mentioned fact is to instruct relevant hardware to accomplish through program; Described program can be stored in the storage medium that a computing machine can read, and this program comprises the steps: when carrying out
The intensity of sound of detection of projection devices environment of living in, perhaps whether detection of projection devices keeps current signal source constant;
When said projector equipment is in open state; If said detected intensity of sound is lower than preset intensity of sound threshold value; Then the intensity of sound of the said projector equipment of opening entry environment of living in is lower than the time span of said intensity of sound threshold value; And if the time span of said record reaches preset very first time length, then the control said projector equipment that is in open state is in low power operational mode; Perhaps; If projector equipment keeps current signal source constant; Then the said projector equipment of opening entry keeps the current constant time span of signal source; And if the time span of said record is projector equipment when keeping the constant state of above-mentioned signal source to reach preset second time span, controls said projector equipment and be in low power operational mode.
Above-mentioned storage medium can be ROM/RAM, disk, CD etc.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the said principle of the embodiment of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (11)
1. a projector equipment is characterized in that, comprising:
The acoustic control sensing module is used for the intensity of sound of detection of projection devices environment of living in, and when said detected intensity of sound is lower than preset intensity of sound threshold value, sends first control signal;
Control module; Be used for after receiving said first control signal; The intensity of sound of the said projector equipment of opening entry environment of living in is lower than the time span of said intensity of sound threshold value; And reaching preset very first time during length in the time span of said record, the said projector equipment that control is in open state is in low power operational mode.
2. projector equipment according to claim 1 is characterized in that,
Said acoustic control sensing module comprises:
The second control signal sending module is used for when said detected intensity of sound is not less than preset intensity of sound threshold value, sending second control signal;
Said control module comprises:
First processing module is used for after receiving said second control signal, and the said projector equipment that control is in open state is in the capacity operation pattern.
3. projector equipment according to claim 2 is characterized in that, said control module also comprises:
Timing module; Be used for after receiving said first control signal; The intensity of sound of the said projector equipment of opening entry environment of living in is lower than the time span of said intensity of sound threshold value, and reaches said very first time during length in the time of said record, sends the 3rd control signal;
Second processing module is used for after receiving said the 3rd control signal, controlling said projector equipment and being in low power operational mode.
4. projector equipment according to claim 3 is characterized in that, said control module also comprises:
The second control signal judge module is used for the timing course at said timing module, judges whether to receive said second control signal;
The reset signal sending module is used in the judged result of the said second control signal judge module sending reset signal to said timing module when being, notifies said timing module to reset.
5. projector equipment according to claim 3 is characterized in that, said control module comprises:
Full-power mode recovers module; Be used for when said projector equipment is in low power operational mode and said control module and receives the capacity operation pattern trigger pip of said second control signal or extraneous input, said projector equipment being switched to said capacity operation pattern.
6. a projector equipment is characterized in that, comprising:
Whether the signal source detection module is used to detect the projector equipment that is in open state and keeps current signal source constant, and when said projector equipment keeps current signal source constant, sends the 4th control signal;
Control module; Be used for after receiving said the 4th control signal; The said projector equipment of opening entry keeps the current constant time span of signal source; And when the time span of said record reached preset second time span, the said projector equipment that control is in open state was in low power operational mode.
7. the control method of a projector equipment is characterized in that, comprising:
The intensity of sound of detection of projection devices environment of living in;
When said projector equipment was in open state, if said detected intensity of sound is lower than preset intensity of sound threshold value, then the intensity of sound of the said projector equipment of opening entry environment of living in was lower than the time span of said intensity of sound threshold value;
If the time span of said record reaches preset very first time length, then control the said projector equipment that is in open state and be in low power operational mode.
8. control method according to claim 7 is characterized in that, after the intensity of sound of said detection of projection devices environment of living in, also comprises:
If said detected intensity of sound is not less than preset intensity of sound threshold value, then controls said projector equipment and be in the capacity operation pattern.
9. control method according to claim 8; It is characterized in that; Be lower than in the process of time span of said intensity of sound threshold value in the intensity of sound of record said projector equipment environment of living in; Be not less than said intensity of sound threshold value if detect the intensity of sound of said projector equipment environment of living in, then stop said record, and the time span value of said record is reverted to initial value.
10. control method according to claim 7 is characterized in that, also comprises:
When said projector equipment is in low power operational mode; If detect the capacity operation pattern trigger pip that the intensity of sound of said projector equipment environment of living in is not less than said intensity of sound threshold value or receives extraneous input, then said projector equipment switched to the capacity operation pattern.
11. the control method of a projector equipment is characterized in that, comprising:
Whether detection of projection devices keeps current signal source constant;
When said projector equipment was in open state, if said projector equipment keeps current signal source constant, then the said projector equipment of opening entry kept the current constant time span of signal source;
When if the time span of said record reaches preset second time span, the said projector equipment that control is in open state is in low power operational mode.
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| CN2008101162135A CN101625511B (en) | 2008-07-07 | 2008-07-07 | Projection equipment and control method thereof |
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| CN2008101162135A CN101625511B (en) | 2008-07-07 | 2008-07-07 | Projection equipment and control method thereof |
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| CN104239031A (en) * | 2014-07-23 | 2014-12-24 | 深圳雅图数字视频技术有限公司 | Projector shutdown cooling method and projector shutdown cooling system |
| CN106993170B (en) * | 2016-01-20 | 2021-08-17 | 中兴通讯股份有限公司 | Projector control method and device and projector |
| CN105791404B (en) * | 2016-03-02 | 2020-09-11 | 腾讯科技（深圳）有限公司 | Controlled equipment control method and device |
| CN113777949A (en) * | 2021-11-10 | 2021-12-10 | 湖南新云网科技有限公司 | Classroom intelligent control energy-saving method, device, equipment and readable storage medium |
| CN114327018B (en) * | 2021-12-21 | 2024-01-19 | 厦门厦华科技有限公司 | Human voice energy saving method of non-intelligent chip electronic whiteboard |
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| JP2007178636A (en) * | 2005-12-27 | 2007-07-12 | Funai Electric Co Ltd | Projection type video display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3145288B2 (en) * | 1995-10-31 | 2001-03-12 | 戸田建設株式会社 | Excavated sediment volume measuring device |
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| JP2007178636A (en) * | 2005-12-27 | 2007-07-12 | Funai Electric Co Ltd | Projection type video display device |
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