CN103826365A - Backlight control system of remote control unit, remote control unit and backlight control method of remote control unit - Google Patents
Backlight control system of remote control unit, remote control unit and backlight control method of remote control unit Download PDFInfo
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- CN103826365A CN103826365A CN201410055336.8A CN201410055336A CN103826365A CN 103826365 A CN103826365 A CN 103826365A CN 201410055336 A CN201410055336 A CN 201410055336A CN 103826365 A CN103826365 A CN 103826365A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention provides a backlight control system of a remote control unit, the remote control unit and a backlight control method of the remote control unit. The backlight control system of the remote control unit comprises an illumination intensity detection unit, a judgment unit, a control unit and a state detection unit. The illumination intensity detection unit is used for detecting real-time illumination intensity of the environment where the remote control unit is located. The judgment unit is used for judging whether the real-time illumination intensity is smaller than or equal to a preset threshold value or not. The control unit is used for controlling the state detection unit to detect whether a user carries out the keying operation on the remote control unit for the first time or not when the real-time illumination intensity is smaller than or equal to the preset threshold value, and the control unit is used for sending a starting signal to a backlight source when the user carries out the keying operation on the remote control unit for the first time, and controlling the remote control unit not to send a control instruction corresponding to a key trigged by the keying operation for the first time. The state detection unit is used for detecting whether the user carries out the keying operation on the remote control unit for the first time or not. According to the technical scheme, power consumption of the remote control unit can be lowered, and it is guaranteed that the user can still operate the remote control unit accurately in a dark environment.
Description
Technical field
The present invention relates to remote controller technical field, in particular to the method for controlling backlight thereof of a kind of backlight control system of remote controller, a kind of remote controller and a kind of remote controller.
Background technology
In correlation technique, in order to make user's remote controller exactly still under dark environment, can be remote configuration back light, with in the time that user touches remote controller key, open back light.Although this way has solved user's accurate problem of remote controller under dark condition, but user is in the situation that ambient lighting intensity is lower, due to the button not seeing on Chu's remote controller, therefore can only first touch blindly button, just can accurately operate with after back light to be opened, be unfavorable on the one hand user's operating experience, on the other hand due in the time that user carries out button operation blindly, remote controller has also sent corresponding control command, therefore easily cause misoperation, and under the higher condition of intensity of illumination, if triggering remote controller key remote controller, user also can open back light, increase energy consumption.
Therefore, how to reduce the power consumption of remote controller, and guarantee user in dark environment still accurately remote controller become technical problem urgently to be resolved hurrily.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art or correlation technique.
For this reason, one object of the present invention has been to propose a kind of power consumption that can reduce remote controller, and guarantees the backlight control system of the remote controller that user still can operate remote controller exactly in dark environment.
Another object of the present invention is to have proposed a kind of remote controller.
Another object of the present invention has been to propose a kind of method for controlling backlight thereof of remote controller.
For achieving the above object, embodiment according to a first aspect of the invention, has proposed a kind of backlight control system of remote controller, comprising: intensity of illumination detecting unit, for detection of the real-time lighting intensity in remote controller environment of living in; Judging unit, for judging whether the described real-time lighting intensity that described intensity of illumination detecting unit detects is less than or equal to predetermined threshold; Control unit, for in the time that described judging unit judges that described real-time lighting intensity is less than or equal to predetermined threshold, state of a control detecting unit detects user and whether described remote controller is carried out to button operation first, and in the time that described state detection unit detects that user carries out first button operation to described remote controller, back light to described remote controller sends start signal, to open described back light, and control described remote controller and do not send control command corresponding to button triggering with described button operation first; Whether described state detection unit, carry out button operation first to described remote controller for detection of user.
According to the backlight control system of the remote controller of the embodiment of the present invention, whether remote controller is carried out to the trigger condition of button operation first by the real-time lighting intensity in environment of living in remote controller being less than or equal to predetermined threshold as detecting user, guarantee only in the time that intensity of illumination is lower on the one hand, just open back light, the energy consumption of avoiding also opening back light in intensity of illumination when high and increase remote controller, has improved the flexibility to back light control, on the other hand due to when user carries out first button operation to remote controller, open back light, but do not send the control command corresponding with button operation triggers first button, therefore avoided in correlation technique in the time that user is in dark surrounds, blindly trigger remote controller key, and still sending controling instruction and cause the problem of misoperation of remote controller, in this technical scheme, in the time detecting that real-time lighting intensity in remote controller environment of living in is less than or equal to predetermined threshold, user can trigger any button of remote controller, with the back light of opening remote control device, owing to triggering first button and do not send the control command of remote controller, therefore user is without the problem of worrying false triggering, after the back light of remote controller is opened, user can precisely manipulate, promote user's operating experience.As comparatively preferred embodiment of one, the real-time lighting intensity detecting in remote controller environment of living in can be passed through light sensor, such as photo resistance or photodiode etc.
Wherein, the predetermined threshold of intensity of illumination need to guarantee that user can see the button on remote controller, can be the default default value of remote controller manufacturer, also can be set according to actual conditions by user.Preferably, in the time that real-time lighting intensity is greater than predetermined threshold, no matter whether user contacts remote controller or whether has button, does not open back light, saves energy.For instance, predetermined threshold can be 5 luxs, and, in the time that user's ambient lighting intensity of living in is less than or equal to 5 lux, user triggers any button on remote controller, the back light of remote controller just can be opened automatically, and user is without the problem of worrying false triggering; And in the time that ambient lighting intensity is greater than 5 lux, when user triggers remote controller key, back light is not opened, to reduce the power consumption of remote controller.
In addition, the backlight control system of remote controller according to the above embodiment of the present invention, can also have following additional technical characterictic:
According to one embodiment of present invention, described state detection unit specifically for: in the time detecting that user has button operation, detect described back light and whether open; And in the time detecting that described back light is not opened, judge that described button operation is as described button operation first.
According to the backlight control system of the remote controller of the embodiment of the present invention, by in the time detecting that user has button operation, whether back light is opened and detected, whether being to trigger first remote controller key to judge to user, on the one hand can be at user's button first, be remote controller back light while not opening, open back light; Can, in the time judging user as button first, not send corresponding control command, to avoid false triggering on the other hand yet.In addition, detecting that user is not first when button operation to the button operation of remote controller,, in the time that user has button operation, back light is opened, can send the control command of remote controller.
According to one embodiment of present invention, also comprise: timer, at described control unit after described back light sends described start signal, start timing; Described control unit also for: in the time that the timing time of described timer reaches the scheduled time, send shutdown signal to described back light, to close described back light.
According to the backlight control system of the remote controller of the embodiment of the present invention, because user has the regular hour to the operation of remote controller, if continue to open back light after user is to remote controller operation, can increase the power consumption of remote controller, therefore by reaching after the scheduled time at timing time, close back light, can avoid back light normal bright and expend the electric weight of remote controller.
Wherein, the scheduled time can be 1 second to 10 seconds, preferred, can be 3 seconds.
According to one embodiment of present invention, described control unit also for: within the opening time of described back light, if described state detection unit detects user described remote controller is carried out to button operation, control described timer and restart timing, and control described remote controller and send control command corresponding to button triggering with described button operation.
According to the backlight control system of the remote controller of the embodiment of the present invention, by within the opening time of back light, if detect, user carries out button operation to remote controller, reclocking, can make user within to the operating time of remote controller, the back light of remote controller can both be opened, so that user operates remote controller accurately.And due within the opening time of the back light of remote controller, user can operate remote controller accurately, therefore can be within the opening time of back light, if detect, user carries out button operation to remote controller, all sends corresponding control command.
According to one embodiment of present invention, described control unit also for: within the opening time of described back light, be greater than described predetermined threshold if described state detection unit detects described real-time lighting intensity, send shutdown signal to described back light.
According to the backlight control system of the remote controller of the embodiment of the present invention, by detect that real-time lighting intensity is greater than predetermined threshold in back light open period time, close back light, can avoid still opening back light in the time that user can see the button of remote controller and the energy consumption that increases remote controller.
According to one embodiment of present invention, described predetermined threshold is less than or equal to 5 luxs.
According to the backlight control system of the remote controller of the embodiment of the present invention, because the intensity of illumination scope in night environment is in 0.001 lux, lux to 0.02; Intensity of illumination scope in month night environment is in 0.02 lux, lux to 0.3; Cloudy indoor intensity of illumination scope is in 5 luxs, lux to 50; Cloudy outdoor intensity of illumination scope is in 50 luxs, lux to 500; The indoor intensity of illumination scope of fine day is in 100 luxs, lux to 1000; Under noon in summer sunlight intensity of illumination scope be about 10
9lux, therefore, as comparatively preferred embodiment of one, predetermined threshold can be less than or equal to 5 luxs, more preferred, and predetermined threshold can be set to 0.3 lux.
According to the embodiment of second aspect present invention, a kind of remote controller has also been proposed, comprising: back light; And the backlight control system of the remote controller described in above-mentioned any one embodiment; Wherein, the control unit in the backlight control system of described remote controller sends start signal or shutdown signal to described back light, to open or to close described back light.
According to the embodiment of third aspect present invention, a kind of method for controlling backlight thereof of remote controller has also been proposed, comprising: detect the real-time lighting intensity in remote controller environment of living in; Judge whether described real-time lighting intensity is less than or equal to predetermined threshold, if so, detect user and whether described remote controller is carried out to button operation first; And in the time detecting that user carries out first button operation to described remote controller, back light to described remote controller sends start signal, to open described back light, and control described remote controller and do not send control command corresponding to button triggering with described button operation first.
According to the method for controlling backlight thereof of the remote controller of the embodiment of the present invention, whether remote controller is carried out to the trigger condition of button operation first by the real-time lighting intensity in environment of living in remote controller being less than or equal to predetermined threshold as detecting user, guarantee only in the time that intensity of illumination is lower on the one hand, just open back light, the energy consumption of avoiding also opening back light in intensity of illumination when high and increase remote controller, has improved the flexibility to back light control, on the other hand due to when user carries out first button operation to remote controller, open back light, but do not send the control command corresponding with button operation triggers first button, therefore avoided in correlation technique in the time that user is in dark surrounds, blindly trigger remote controller key, and still sending controling instruction and cause the problem of misoperation of remote controller, in this technical scheme, in the time detecting that real-time lighting intensity in remote controller environment of living in is less than or equal to predetermined threshold, user can trigger any button of remote controller, with the back light of opening remote control device, owing to triggering first button and do not send the control command of remote controller, therefore user is without the problem of worrying false triggering, after the back light of remote controller is opened, user can precisely manipulate, promote user's operating experience.As comparatively preferred embodiment of one, the real-time lighting intensity detecting in remote controller environment of living in can be passed through light sensor, such as photo resistance or photodiode etc.
Wherein, the predetermined threshold of intensity of illumination need to guarantee that user can see the button on remote controller, can be the default default value of remote controller manufacturer, also can be set according to actual conditions by user.Preferably, in the time that real-time lighting intensity is greater than predetermined threshold, no matter whether user contacts remote controller or whether has button, does not open back light, saves energy.For instance, predetermined threshold can be 5 luxs, and, in the time that user's ambient lighting intensity of living in is less than or equal to 5 lux, user triggers any button on remote controller, the back light of remote controller just can be opened automatically, and user is without the problem of worrying false triggering; And in the time that ambient lighting intensity is greater than 5 lux, when user triggers remote controller key, back light is not opened, to reduce the power consumption of remote controller.
According to one embodiment of present invention, whether whether described detection user carries out the step of button operation first to described remote controller, be specially: in the time detecting that user has button operation, detect described back light and open; And in the time detecting that described back light is not opened, judge that described button operation is as described button operation first.
According to the method for controlling backlight thereof of the remote controller of the embodiment of the present invention, by in the time detecting that user has button operation, whether back light is opened and detected, whether being to trigger first remote controller key to judge to user, on the one hand can be at user's button first, be remote controller back light while not opening, open back light; Can, in the time judging user as button first, not send corresponding control command, to avoid false triggering on the other hand yet.In addition, detecting that user is not first when button operation to the button operation of remote controller,, in the time that user has button operation, back light is opened, can send the control command of remote controller.
According to one embodiment of present invention, also comprise: after the back light of described remote controller sends described start signal, start timing; And in the time that timing time reaches the scheduled time, send shutdown signal to described back light, to close described back light.
According to the method for controlling backlight thereof of the remote controller of the embodiment of the present invention, because user has the regular hour to the operation of remote controller, if continue to open back light after user is to remote controller operation, can increase the power consumption of remote controller, therefore by reaching after the scheduled time at timing time, close back light, can avoid back light normal bright and expend the electric weight of remote controller.
Wherein, the scheduled time can be 1 second to 10 seconds, preferred, can be 3 seconds.
According to one embodiment of present invention, also comprise: within the opening time of described back light, if detect, user carries out button operation to described remote controller, restarts timing, and controls described remote controller and send control command corresponding to button triggering with described button operation.
According to the method for controlling backlight thereof of the remote controller of the embodiment of the present invention, by within the opening time of back light, if detect, user carries out button operation to remote controller, reclocking, can make user within to the operating time of remote controller, the back light of remote controller can both be opened, so that user operates remote controller accurately.And due within the opening time of the back light of remote controller, user can operate remote controller accurately, therefore can be within the opening time of back light, if detect, user carries out button operation to remote controller, all sends corresponding control command.
According to one embodiment of present invention, also comprise: within the opening time of described back light, described real-time lighting intensity is greater than described predetermined threshold if detect, send shutdown signal to described back light.
According to the method for controlling backlight thereof of the remote controller of the embodiment of the present invention, by detect that real-time lighting intensity is greater than predetermined threshold in back light open period time, close back light, can avoid still opening back light in the time that user can see the button of remote controller and the energy consumption that increases remote controller.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 shows the schematic block diagram of the backlight control system of remote controller according to an embodiment of the invention;
Fig. 2 shows the schematic block diagram of remote controller according to an embodiment of the invention;
Fig. 3 shows the schematic flow diagram of the method for controlling backlight thereof of remote controller according to an embodiment of the invention;
Fig. 4 shows the schematic block diagram of the backlight control system of remote controller according to another embodiment of the invention;
Fig. 5 shows the schematic flow diagram of the method for controlling backlight thereof of remote controller according to another embodiment of the invention.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Fig. 1 shows the schematic block diagram of the backlight control system of remote controller according to an embodiment of the invention.
As shown in Figure 1, the backlight control system 100 of remote controller according to an embodiment of the invention, comprising: intensity of illumination detecting unit 102, for detection of the real-time lighting intensity in remote controller environment of living in; Judging unit 104, for judging whether the described real-time lighting intensity that described intensity of illumination detecting unit 102 detects is less than or equal to predetermined threshold; Control unit 106, for in the time that described judging unit 104 judges that described real-time lighting intensity is less than or equal to predetermined threshold, state of a control detecting unit 108 detects user and whether described remote controller is carried out to button operation first, and in the time that described state detection unit 108 detects that user carries out first button operation to described remote controller, back light to described remote controller sends start signal, to open described back light, and control described remote controller and do not send control command corresponding to button triggering with described button operation first; Whether described state detection unit 108, carry out button operation first to described remote controller for detection of user.
Whether remote controller is carried out to the trigger condition of button operation first by the real-time lighting intensity in environment of living in remote controller being less than or equal to predetermined threshold as detecting user, guarantee only in the time that intensity of illumination is lower on the one hand, just open back light, the energy consumption of avoiding also opening back light in intensity of illumination when high and increase remote controller, has improved the flexibility to back light control, on the other hand due to when user carries out first button operation to remote controller, open back light, but do not send the control command corresponding with button operation triggers first button, therefore avoided in correlation technique in the time that user is in dark surrounds, blindly trigger remote controller key, and still sending controling instruction and cause the problem of misoperation of remote controller, in this technical scheme, in the time detecting that real-time lighting intensity in remote controller environment of living in is less than or equal to predetermined threshold, user can trigger any button of remote controller, with the back light of opening remote control device, owing to triggering first button and do not send the control command of remote controller, therefore user is without the problem of worrying false triggering, after the back light of remote controller is opened, user can precisely manipulate, promote user's operating experience.As comparatively preferred embodiment of one, the real-time lighting intensity detecting in remote controller environment of living in can be passed through light sensor, such as photo resistance or photodiode etc.
Wherein, the predetermined threshold of intensity of illumination need to guarantee that user can see the button on remote controller, can be the default default value of remote controller manufacturer, also can be set according to actual conditions by user.Preferably, in the time that real-time lighting intensity is greater than predetermined threshold, no matter whether user contacts remote controller or whether has button, does not open back light, saves energy.For instance, predetermined threshold can be 5 luxs, and, in the time that user's ambient lighting intensity of living in is less than or equal to 5 lux, user triggers any button on remote controller, the back light of remote controller just can be opened automatically, and user is without the problem of worrying false triggering; And in the time that ambient lighting intensity is greater than 5 lux, when user triggers remote controller key, back light is not opened, to reduce the power consumption of remote controller.
In addition, the backlight control system 100 of remote controller according to the above embodiment of the present invention, can also have following additional technical characterictic:
According to one embodiment of present invention, described state detection unit 108 specifically for: in the time detecting that user has button operation, detect described back light and whether open; And in the time detecting that described back light is not opened, judge that described button operation is as described button operation first.
By in the time detecting that user has button operation, whether back light is opened and detected, whether to be to trigger first remote controller key to judge to user, on the one hand can be at user's button first, be remote controller back light while not opening, open back light; Can, in the time judging user as button first, not send corresponding control command, to avoid false triggering on the other hand yet.In addition, detecting that user is not first when button operation to the button operation of remote controller,, in the time that user has button operation, back light is opened, can send the control command of remote controller.
According to one embodiment of present invention, also comprise: timer 110, at described control unit 106 after described back light sends described start signal, start timing; Described control unit 106 also for: in the time that the timing time of described timer 110 reaches the scheduled time, send shutdown signal to described back light, to close described back light.
Because user has the regular hour to the operation of remote controller, if continue to open back light after user is to remote controller operation, can increase the power consumption of remote controller, therefore by reaching after the scheduled time at timing time, close back light, can avoid back light normal bright and expend the electric weight of remote controller.
Wherein, the scheduled time can be 1 second to 10 seconds, preferred, can be 3 seconds.
According to one embodiment of present invention, described control unit 106 also for: within the opening time of described back light, if described state detection unit 108 detects that user carries out button operation to described remote controller, control described timer 110 and restart timing, and control described remote controller and send control command corresponding to button triggering with described button operation.
By within the opening time of back light, if detect, user carries out button operation to remote controller, and reclocking can make user within to the operating time of remote controller, the back light of remote controller can both be opened, so that user operates remote controller accurately.And due within the opening time of the back light of remote controller, user can operate remote controller accurately, therefore can be within the opening time of back light, if detect, user carries out button operation to remote controller, all sends corresponding control command.
According to one embodiment of present invention, described control unit 106 also for: within the opening time of described back light, if described state detection unit 108 detects described real-time lighting intensity and is greater than described predetermined threshold, send shutdown signal to described back light.
By detect that real-time lighting intensity is greater than predetermined threshold in back light open period time, close back light, can avoid still opening back light in the time that user can see the button of remote controller and the energy consumption that increases remote controller.
According to one embodiment of present invention, described predetermined threshold is less than or equal to 5 luxs.
Because the intensity of illumination scope in night environment is in 0.001 lux, lux to 0.02; Intensity of illumination scope in month night environment is in 0.02 lux, lux to 0.3; Cloudy indoor intensity of illumination scope is in 5 luxs, lux to 50; Cloudy outdoor intensity of illumination scope is in 50 luxs, lux to 500; The indoor intensity of illumination scope of fine day is in 100 luxs, lux to 1000; Intensity of illumination scope under noon in summer sunlight is about 10
9lux, therefore, as comparatively preferred embodiment of one, predetermined threshold can be less than or equal to 5 luxs, more preferred, and predetermined threshold can be set to 0.3 lux.
Fig. 2 shows the schematic block diagram of remote controller according to an embodiment of the invention.
As shown in Figure 2, remote controller 200 according to an embodiment of the invention, comprising: back light 202; And the backlight control system 100 of the remote controller shown in Fig. 1; Wherein, the control unit (not shown in Fig. 2) in the backlight control system 100 of described remote controller sends start signal or shutdown signal to described back light 202, to open or to close described back light 202.
Fig. 3 shows the schematic flow diagram of the method for controlling backlight thereof of remote controller according to an embodiment of the invention.
As shown in Figure 3, the method for controlling backlight thereof of remote controller according to an embodiment of the invention, comprising: step 302, detects the real-time lighting intensity in remote controller environment of living in; Step 304, judges whether described real-time lighting intensity is less than or equal to predetermined threshold, if so, detects user and whether described remote controller is carried out to button operation first; And in the time detecting that user carries out first button operation to described remote controller, back light to described remote controller sends start signal, to open described back light, and control described remote controller and do not send control command corresponding to button triggering with described button operation first.
Whether remote controller is carried out to the trigger condition of button operation first by the real-time lighting intensity in environment of living in remote controller being less than or equal to predetermined threshold as detecting user, guarantee only in the time that intensity of illumination is lower on the one hand, just open back light, the energy consumption of avoiding also opening back light in intensity of illumination when high and increase remote controller, has improved the flexibility to back light control, on the other hand due to when user carries out first button operation to remote controller, open back light, but do not send the control command corresponding with button operation triggers first button, therefore avoided in correlation technique in the time that user is in dark surrounds, blindly trigger remote controller key, and still sending controling instruction and cause the problem of misoperation of remote controller, in this technical scheme, in the time detecting that real-time lighting intensity in remote controller environment of living in is less than or equal to predetermined threshold, user can trigger any button of remote controller, with the back light of opening remote control device, owing to triggering first button and do not send the control command of remote controller, therefore user is without the problem of worrying false triggering, after the back light of remote controller is opened, user can precisely manipulate, promote user's operating experience.As comparatively preferred embodiment of one, the real-time lighting intensity detecting in remote controller environment of living in can be passed through light sensor, such as photo resistance or photodiode etc.
Wherein, the predetermined threshold of intensity of illumination need to guarantee that user can see the button on remote controller, can be the default default value of remote controller manufacturer, also can be set according to actual conditions by user.Preferably, in the time that real-time lighting intensity is greater than predetermined threshold, no matter whether user contacts remote controller or whether has button, does not open back light, saves energy.For instance, predetermined threshold can be 5 luxs, and, in the time that user's ambient lighting intensity of living in is less than or equal to 5 lux, user triggers any button on remote controller, the back light of remote controller just can be opened automatically, and user is without the problem of worrying false triggering; And in the time that ambient lighting intensity is greater than 5 lux, when user triggers remote controller key, back light is not opened, to reduce the power consumption of remote controller.
According to one embodiment of present invention, whether whether described detection user carries out the step of button operation first to described remote controller, be specially: in the time detecting that user has button operation, detect described back light and open; And in the time detecting that described back light is not opened, judge that described button operation is as described button operation first.
By in the time detecting that user has button operation, whether back light is opened and detected, whether to be to trigger first remote controller key to judge to user, on the one hand can be at user's button first, be remote controller back light while not opening, open back light; Can, in the time judging user as button first, not send corresponding control command, to avoid false triggering on the other hand yet.In addition, detecting that user is not first when button operation to the button operation of remote controller,, in the time that user has button operation, back light is opened, can send the control command of remote controller.
According to one embodiment of present invention, also comprise: after the back light of described remote controller sends described start signal, start timing; And in the time that timing time reaches the scheduled time, send shutdown signal to described back light, to close described back light.
Because user has the regular hour to the operation of remote controller, if continue to open back light after user is to remote controller operation, can increase the power consumption of remote controller, therefore by reaching after the scheduled time at timing time, close back light, can avoid back light normal bright and expend the electric weight of remote controller.
Wherein, the scheduled time can be 1 second to 10 seconds, preferred, can be 3 seconds.
According to one embodiment of present invention, also comprise: within the opening time of described back light, if detect, user carries out button operation to described remote controller, restarts timing, and controls described remote controller and send control command corresponding to button triggering with described button operation.
By within the opening time of back light, if detect, user carries out button operation to remote controller, and reclocking can make user within to the operating time of remote controller, the back light of remote controller can both be opened, so that user operates remote controller accurately.And due within the opening time of the back light of remote controller, user can operate remote controller accurately, therefore can be within the opening time of back light, if detect, user carries out button operation to remote controller, all sends corresponding control command.
According to one embodiment of present invention, also comprise: within the opening time of described back light, described real-time lighting intensity is greater than described predetermined threshold if detect, send shutdown signal to described back light.
By detect that real-time lighting intensity is greater than predetermined threshold in back light open period time, close back light, can avoid still opening back light in the time that user can see the button of remote controller and the energy consumption that increases remote controller.
Fig. 4 shows the schematic block diagram of the backlight control system of remote controller according to another embodiment of the invention.
As shown in Figure 4, the backlight control system 400 of remote controller according to another embodiment of the invention, comprise: intensity of illumination detecting unit 406, for detection of the intensity of illumination in the residing environment of remote controller, and is sent to control unit 402 by the intensity of illumination numerical value detecting;
Button detects judge module 408, for in the time that intensity of illumination detecting unit 406 detects that the real-time lighting intensity of remote controller environment of living in is less than or equal to predetermined threshold, detect user and whether remote controller is carried out to button operation first, and testing result is sent to control unit 402;
Control unit 402, be less than or equal to predetermined threshold (can be 0.3 lux) for the intensity of illumination numerical value detecting at intensity of illumination detecting unit 406, and in the time that button detects the testing result of judge module 408 and shows that user carries out first button operation to remote controller, controlling backlight module 404 opens backlight, and control remote controller and do not send corresponding control command, continue to open after a period of time backlight (can be 3 seconds) at backlight module 404, then control backlight module 404 and close backlight.Especially, when the intensity of illumination numerical value detecting at intensity of illumination detecting unit 406 is greater than predetermined threshold, even if user carries out button operation to remote controller, also controls backlight module 404 and close backlight.
Wherein, button detects judge module 408 in the time user key-press being detected, whether open the user of judgement backlight and whether remote controller has been carried out to button operation first by judging backlight module 404, particularly, in the time user key-press being detected, if it is backlight that backlight module 404 is not opened, determine that user carries out button operation first to remote controller; If it is backlight that backlight module 404 has been opened, determine that user carries out non-button operation first to remote controller.And in the time detecting that user carries out non-button operation first to remote controller, send corresponding control command by remote controller.
In addition, in the time that intensity of illumination detecting unit 406 detects that real-time lighting intensity in remote controller environment of living in is greater than predetermined threshold, even if detect that user carries out button operation to remote controller, also controlling backlight module 404 closes backlight, to reduce the power consumption of remote controller, and user sends corresponding control command to each button operation of remote controller.
Fig. 5 shows the schematic flow diagram of the method for controlling backlight thereof of remote controller according to another embodiment of the invention.
As shown in Figure 5, the method for controlling backlight thereof of remote controller according to another embodiment of the invention, comprising:
Step 518 is closed backlightly after the backlight open T2 time, and to avoid back light often to open or open the long period and increase the energy consumption of terminal, wherein T2 can be also 3 seconds.Preferably, in the time detecting that user carries out non-button operation first, the backlight open time of remote controller is carried out to reclocking.
More than be described with reference to the accompanying drawings technical scheme of the present invention, the present invention proposes a kind of backlight control technology of remote controller, guarantee only in the time that intensity of illumination is lower on the one hand, just open back light, the energy consumption of avoiding also opening back light in intensity of illumination when high and increase remote controller, has improved the flexibility to back light control; On the other hand due to when user carries out first button operation to remote controller, open back light, but do not send the control command corresponding with button operation triggers first button, therefore avoided in correlation technique in the time that user is in dark surrounds, blindly trigger remote controller key, and still sending controling instruction and cause the problem of misoperation of remote controller.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a backlight control system for remote controller, is characterized in that, comprising:
Intensity of illumination detecting unit, for detection of the real-time lighting intensity in remote controller environment of living in;
Judging unit, for judging whether the described real-time lighting intensity that described intensity of illumination detecting unit detects is less than or equal to predetermined threshold;
Control unit, when judging that at described judging unit described real-time lighting intensity is less than or equal to predetermined threshold, state of a control detecting unit detects user and whether described remote controller is carried out to button operation first, and
In the time that described state detection unit detects that user carries out first button operation to described remote controller, back light to described remote controller sends start signal, to open described back light, and control described remote controller and do not send control command corresponding to button triggering with described button operation first;
Whether described state detection unit, carry out button operation first to described remote controller for detection of user.
2. the backlight control system of remote controller according to claim 1, is characterized in that, described state detection unit specifically for:
In the time detecting that user has button operation, detect described back light and whether open; And
In the time detecting that described back light is not opened, judge that described button operation is as described button operation first.
3. the backlight control system of remote controller according to claim 1, is characterized in that, also comprises:
Timer, at described control unit after described back light sends described start signal, start timing;
Described control unit also for:
In the time that the timing time of described timer reaches the scheduled time, send shutdown signal to described back light, to close described back light.
4. the backlight control system of remote controller according to claim 3, is characterized in that, described control unit also for:
Within the opening time of described back light, if described state detection unit detects user described remote controller is carried out to button operation, control described timer and restart timing, and control described remote controller and send control command corresponding to button triggering with described button operation.
5. according to the backlight control system of the remote controller described in any one in claim 1 to 4, it is characterized in that, described control unit also for:
Within the opening time of described back light, if detecting described real-time lighting intensity, described state detection unit is greater than described predetermined threshold, send shutdown signal to described back light.
6. a remote controller, is characterized in that, comprising:
Back light; And
The backlight control system of the remote controller in claim 1 to 5 described in any one;
Wherein, the control unit in the backlight control system of described remote controller sends start signal or shutdown signal to described back light, to open or to close described back light.
7. a method for controlling backlight thereof for remote controller, is characterized in that, comprising:
Detect the real-time lighting intensity in remote controller environment of living in;
Judge whether described real-time lighting intensity is less than or equal to predetermined threshold, if so, detect user and whether described remote controller is carried out to button operation first; And
In the time detecting that user carries out first button operation to described remote controller, back light to described remote controller sends start signal, to open described back light, and control described remote controller and do not send control command corresponding to button triggering with described button operation first.
8. the method for controlling backlight thereof of remote controller according to claim 7, is characterized in that, whether described detection user carries out the step of button operation first to described remote controller, is specially:
In the time detecting that user has button operation, detect described back light and whether open; And
In the time detecting that described back light is not opened, judge that described button operation is as described button operation first.
9. the method for controlling backlight thereof of remote controller according to claim 7, is characterized in that, also comprises:
After the back light of described remote controller sends described start signal, start timing; And
In the time that timing time reaches the scheduled time, send shutdown signal to described back light, to close described back light.
10. the method for controlling backlight thereof of remote controller according to claim 9, is characterized in that, also comprises:
Within the opening time of described back light, if detect, user carries out button operation to described remote controller, restarts timing, and controls described remote controller and send control command corresponding to button triggering with described button operation.
11. according to the method for controlling backlight thereof of the remote controller described in any one in claim 7 to 10, it is characterized in that, also comprises:
Within the opening time of described back light, if detect, described real-time lighting intensity is greater than described predetermined threshold, sends shutdown signal to described back light.
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| CN201410055336.8A CN103826365A (en) | 2014-02-18 | 2014-02-18 | Backlight control system of remote control unit, remote control unit and backlight control method of remote control unit |
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| CN201410055336.8A CN103826365A (en) | 2014-02-18 | 2014-02-18 | Backlight control system of remote control unit, remote control unit and backlight control method of remote control unit |
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| CN110278642A (en) * | 2019-06-25 | 2019-09-24 | 珠海格力电器股份有限公司 | A kind of controller backlight control system and method |
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