CN202167120U - Viewing distance control apparatus for display equipment and display equipment - Google Patents
Viewing distance control apparatus for display equipment and display equipment Download PDFInfo
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- CN202167120U CN202167120U CN2011202781163U CN201120278116U CN202167120U CN 202167120 U CN202167120 U CN 202167120U CN 2011202781163 U CN2011202781163 U CN 2011202781163U CN 201120278116 U CN201120278116 U CN 201120278116U CN 202167120 U CN202167120 U CN 202167120U
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Abstract
The utility model provides a viewing distance control apparatus for display equipment, comprising a distance control unit, a timing unit and a protection control unit, wherein the distance control unit is used for monitoring the distance between users and the display equipment in real time, transmitting the measured distance signal to the timing unit, when the distance signal satisfies a certain condition the timing unit is triggered, the timing unit begins to time after being triggered and transmits the time length data signal obtained by timing to the protection control unit in real time, the protection control unit is used for receiving the time length data signal transmitted by the timing unit in real time, and controlling the emitting of a warning prompt or controlling the switching off of the power supply of the display equipment according to the received time length data signal. Correspondingly, the utility model also provides display equipment comprising the control apparatus. The viewing distance control apparatus for the display equipment can not only control the viewing distance of the users, but also prevent misjudgement, and simultaneously is also provided a warning prompt function.
Description
Technical field
The utility model relates to a kind of viewing distance control device of display device and contains the display device of this viewing distance control device.
Background technology
In recent years, a large amount of electronics shows that products emerge in an endless stream, and the thing followed is the phenomenon of a large amount of adolescent myopias of occurring owing to viewing distance is improper, and the harmful effect of its generation has caused social extensive concern; A lot of display devices all can produce x radiation x or electromagnetic radiation etc. when work, the influence of institute's raying was bigger, and just very little away from the influence of the certain distance back institute raying of display device when especially human body was near near display device.
In addition, existing electronics demonstration product can only be set the unused time, comes call user's attention to have a rest through controlling certain viewing time, but any solution is not taked in the control of user's viewing distance, lacks the prompting function of viewing distance.
Be 200920017637.6 at application number, denomination of invention is in the disclosed technical scheme of one Chinese patent application of " can control the display of safe viewing distance "; When human body is in the actual induction distance of infrared probe when interior; On-off circuit cuts off the power circuit or the vision circuit of display automatically; Reminding the user that viewing distance is near excessively, and the actual induction that withdraws from infrared probe when human body apart from the time, can be through the on-off circuit opening display once more that perhaps uses a teleswitch.Though this display has the function of control user viewing distance, there is following shortcoming in this technical scheme:
1.. have the situation of erroneous judgement: if people's process before display is accidentally arranged, on-off circuit also can cut off the power circuit or the vision circuit of display automatically;
2.. lack the warning prompt function: when human body is in the actual induction distance of infrared probe when interior; Without any warning prompt, on-off circuit directly cuts off the power circuit or the vision circuit of display, so that the user notices viewing distance is near excessively; Will certainly cause like this and open and close display continually; Go down for a long time, can shorten the life-span of display, even can damage display.
The utility model content
The utility model technical matters to be solved is to existing above-mentioned defective in the prior art; A kind of viewing distance control device of the display device that can control user's viewing distance, can prevent to judge by accident again is provided, and the display device that comprises this control device.
The technical scheme that solution the utility model technical matters is adopted is that the viewing distance control device of this display device includes apart from control module, timing unit and protection control module,
Saidly be used for the distance between real-time monitor user ' and the display device, and the distance signal that records be sent to timing unit in real time, triggering timing unit when said distance signal satisfies certain condition apart from control module;
Said timing unit picks up counting after triggering, and the duration data-signal that timing obtains is real-time transmitted to said protection control module;
Said protection control module is used for receiving in real time the duration data-signal that timing unit transmits, and controls the power remove of give a warning prompting or control display device according to the duration data-signal that is received.
Wherein, saidly comprise distance-measurement module and apart from judge module, said distance-measurement module is used for measuring in real time the distance between user and the display device, and measured distance signal is real-time transmitted to said apart from judge module apart from control module; Apart from being preset with the viewing ratio interval range in the judge module; Saidly be used for receiving in real time the distance value that said distance-measurement module measures in real time apart from judge module; And judge that received distance value is whether outside said viewing ratio scope:, then continue the distance value that real-time receiving range measurement module transmits apart from judge module as not; In this way, then by trigger said timing unit apart from judge module.
Preferably, said distance-measurement module is a range sensor.
Perhaps; Saidly comprise apart from induction module apart from control module; Saidly be used for measuring in real time the distance between user and the display device apart from induction module; Said measurement range apart from induction module is suitable viewing distance interval range, when the distance between user and the display device be in said apart from the measurement range of induction module within the time, by said apart from induction module triggering timing unit.
Preferably, said is range sensor apart from induction module.
Wherein, Said protection control module comprises time judgment module and warning execution module; Be preset with the warning time in the said time judgment module; Be used for receiving in real time the duration data-signal that said timing unit transmits, and the warning time of received duration data-signal and its internal preset is compared, trigger said warning execution module according to comparative result again; After said warning execution module was triggered by time judgment module, prompting was used to give a warning.
Preferably, said warning execution module comprises captions display control module and/or acoustic control module, and said captions display control module is used to control on the screen of display device and demonstrates the captions prompting; Said acoustic control module is used for controlling the display device prompting of sounding.
Preferably; Said protection control module also comprises the shutdown execution module; Also be preset with the unused time in the said time judgment module; Time judgment module receives the duration data-signal that said timing unit transmits in real time, and the received duration data-signal and the unused time of its internal preset are compared, and triggers said shutdown execution module according to comparative result again; After said shutdown execution module is triggered by time judgment module, be used to turn-off the power supply of display device.
Further preferred, the said unused time is greater than the said warning time.
A kind of display device includes above-mentioned viewing distance control device.Preferred said display device is televisor or display.
The viewing distance control device of the utility model display device compared with prior art has following advantage:
1.. possess the warning prompt function: when user's viewing distance not in the viewing ratio scope or when cannot not being in suitablely in the viewing distance interval range; Prompting gives a warning earlier; The call user's attention viewing distance; When if the user does not get back to the viewing ratio interval range or cannot not leave suitablely the viewing distance interval range in the time of setting, shutdown again;
2.. prevent erroneous judgement: even there is the people before display device, to pass through; This control device can not give a warning or control immediately the display device shutdown immediately, has avoided taking place because of frequent open and close display device causes to damage or shorten the situation in display device life-span;
3.. this control device is simple in structure; And can make full use of the functional module that display device self is had; Such as, through utilizing the timing unit that carries in the display device, therefore can simplify the structure of this control device as the timing unit in this control device.
Description of drawings
Fig. 1 is the structural representation of the viewing distance control device of display device among the utility model embodiment 1;
Fig. 2 is the workflow diagram of the viewing distance control device of display device among the utility model embodiment 1;
Fig. 3 is the structural representation of the viewing distance control device of display device among the utility model embodiment 2;
Fig. 4 is the workflow diagram of the viewing distance control device of display device among the utility model embodiment 2;
Fig. 5 is the structural representation of the viewing distance control device of display device among the utility model embodiment 3.
Embodiment
For making those skilled in the art understand the technical scheme of the utility model better, describe in further detail below in conjunction with accompanying drawing and embodiment viewing distance control device and display device to the utility model display device.
This viewing distance control device includes apart from control module, timing unit and protection control module,
Saidly be used for the distance between real-time monitor user ' and the display device, and the distance signal that records be sent to timing unit in real time, triggering timing unit when said distance signal satisfies certain condition apart from control module;
Said timing unit picks up counting after being triggered, and the duration data-signal that timing obtains is real-time transmitted to said protection control module;
Said protection control module is used for receiving in real time the duration data-signal that timing unit transmits, and controls the power remove of give a warning prompting or control display device according to the duration data-signal that is received.
Embodiment 1:
As shown in Figure 1, in the present embodiment, display device is a televisor.Include the viewing distance control device of display device in this display device.
Said viewing distance control device comprises: apart from control module, timing unit and protection control module.
Saidly comprise distance-measurement module and apart from judge module apart from control module.
Said distance-measurement module is used for measuring in real time the distance between user and the display device, and measured distance signal is real-time transmitted to said apart from judge module;
Apart from being preset with viewing ratio interval range D in the judge module; Saidly be used for receiving in real time the distance value that said distance-measurement module measures in real time apart from judge module; And judge that received distance value is whether outside said viewing ratio scope D:, then continue the distance value that real-time receiving range measurement module transmits apart from judge module as not; In this way, then by trigger said timing unit apart from judge module.
In the present embodiment, said distance-measurement module adopts range sensor.Choosing according to the classification of the applied display device of said viewing distance control device of said viewing ratio interval range D decided, and in the present embodiment, because display device adopts televisor, therefore preferred said viewing ratio interval range D is 1.2-1.8m.
Said timing unit picks up counting after triggering apart from judge module, and the duration data-signal that timing obtains is real-time transmitted to said protection control module.Said timing unit can adopt the timing unit that has timing function in the televisor.
Said protection control module comprises time judgment module, warning execution module and shutdown execution module.
Be preset with warning time T 1 and unused time T2 in the said time judgment module.Wherein, said unused time T2 is greater than said warning time T 1.In the present embodiment, said warning time T 1 is set at 10 minutes, and said unused time T2 is set at 11 minutes.Certainly, warning time T 1 is not limited to the setting value in the present embodiment with the value of unused time T2, also can be set at any other times according to user's operating position, only need satisfy unused time T2＞warning time T 1 and get final product.
Said time judgment module is used for receiving in real time the duration data-signal that said timing unit transmits; And the warning time T of received duration data-signal and its internal preset 1 compared with unused time T2; Control the prompting that gives a warning of said warning execution module according to comparative result again, perhaps control the power supply that said shutdown execution module turn-offs display device.
Concrete; If when the real-time time long data that receives of time judgment module does not reach warning time T 1; The user adjusts in its viewing distance to the viewing ratio interval range D voluntarily; Then control said timing unit and stop timing apart from judge module; Continue to obtain in real time the measured value of user's viewing distance by distance-measurement module, until time that said measured value exceeds viewing ratio interval range D and keeps above-mentioned state during, by the prompting that gives a warning of said warning execution module greater than warning time T 1;
If when the real-time time long data that receives of time judgment module does not reach unused time T2; The user adjusts in its viewing distance to the viewing ratio interval range D voluntarily; Then control said timing unit and stop timing apart from judge module; Continue to obtain in real time the measured value of user's viewing distance by distance-measurement module; Until time that said measured value exceeds viewing ratio interval range D and keeps above-mentioned state during, send shutdown command by said shutdown execution module, the power remove of control display device greater than unused time T2.
Said warning execution module comprises captions display control module and/or acoustic control module, and said captions display control module is used to control on the screen of display device and demonstrates the captions prompting; Said acoustic control module is used for controlling the display device prompting of sounding.Therefore, the warning prompt that said warning execution module sends is the captions prompting that demonstrates on the display device screen, or the auditory tone cues that sends in the display device, or the auditory tone cues that sends in prompting of the captions on the display device screen and the display device.
As shown in Figure 2, the course of work of present embodiment viewing distance control device is following:
S201, distance-measurement module is obtained the measured value of user's viewing distance in real time, and said measured value is passed to apart from judge module;
S202 receives in real time and the said measured value of storage apart from judge module, and judges whether said measured value is in outside the viewing ratio interval range D, and in this way, execution in step s203 and step s205 are as denying execution in step s201;
S203 apart from judge module triggering timing unit, picks up counting it, and said timing unit is real-time transmitted to time judgment module with the duration data-signal that timing obtains; If when long data did not reach warning time T 1 during said timing, the user adjusted in its viewing distance to the viewing ratio interval range D voluntarily, then saidly send stop signal to timing unit apart from judge module, make it stop timing, and execution in step s201; If long data is greater than warning time T 1 and less than unused time T2 during said timing, then execution in step s204;
S204, the prompting that gives a warning of warning execution module;
S205 apart from judge module triggering timing unit, picks up counting it, and said timing unit is real-time transmitted to time judgment module with the duration data-signal that timing obtains; If when long data did not reach unused time T2 during said timing, the user adjusted in its viewing distance to the viewing ratio interval range D voluntarily, then saidly send stop signal to timing unit apart from judge module, make it stop timing, and execution in step s201; If long data is greater than unused time T2 during said timing, then execution in step s206;
S206, the shutdown execution module sends shutdown command, the power remove of control televisor.
In the above-mentioned course of work; Because unused time T2＞warning time T 1; Therefore when the user's viewing distance outside viewing ratio interval range D and time of keeping above-mentioned state during greater than warning time T 1, the prompting that gives a warning of warning execution module, when user's viewing apart from outside viewing ratio interval range D and time of keeping above-mentioned state during greater than unused time T2; The shutdown execution module sends shutdown command, the power remove of control televisor.
Embodiment 2:
As shown in Figure 3, the difference of present embodiment and embodiment 1 is that the protection control module in the viewing distance control device of present embodiment display device does not comprise the shutdown execution module, and promptly said protection control module comprises time judgment module and warning execution module.
In the present embodiment, said warning time T 1 is set at 10 minutes, and certainly, the value of warning time T 1 is not limited to the setting value in the present embodiment, also can be set at any other times according to user's operating position.
Other structures are all the same with embodiment 1 in the present embodiment, repeat no more at this.
As shown in Figure 4, the course of work of present embodiment viewing distance control device is following:
S201, distance-measurement module is obtained the measured value of user's viewing distance in real time, and said measured value is passed to apart from judge module;
S202 receives in real time and the said measured value of storage apart from judge module, and judges whether said measured value is in outside the viewing ratio interval range D, and in this way, execution in step s203 is as denying execution in step s201;
S203 apart from judge module triggering timing unit, picks up counting it, and said timing unit is real-time transmitted to time judgment module with the resulting duration data-signal of timing; If when long data did not reach warning time T 1 during said timing, the user adjusted in its viewing distance to the viewing ratio interval range D voluntarily, then saidly send stop signal to timing unit apart from judge module, make it stop timing, and execution in step s201; If long data is greater than warning time T 1, then execution in step s204 during said timing;
S204, the prompting that gives a warning of warning execution module.
Embodiment 3:
As shown in Figure 5, the difference of present embodiment and embodiment 1 is, comprising apart from induction module apart from control module in the viewing distance control device of display device.
In the present embodiment; Saidly be used for measuring in real time the distance between user and the display device apart from induction module; Said measurement range apart from induction module is unsuitable viewing distance interval range D '; When the distance between user and the display device be in said apart from the measurement range D ' of induction module within the time, by said apart from induction module triggering timing unit.
In this enforcement grain, said apart from induction module employing range sensor.
Said unsuitable choosing according to the classification of display device of viewing distance interval range D ' decided, and in the present embodiment, display device adopts televisor, and correspondingly, the preferable range of suitable viewing distance interval range D ' is not 0-2m.Distance between user and televisor exceeds said suitable viewing distance interval range D ' time, the said measured value that can't get access to user's viewing distance apart from induction module; When the distance between user and the televisor be in said apart from the measurement range of induction module within the time, by said apart from induction module triggering timing unit.
Other structures are all the same with embodiment 1 in the present embodiment, repeat no more at this.
Embodiment 4:
The difference of present embodiment and embodiment 3 is that the protection control module in the viewing distance control device of present embodiment display device does not comprise the shutdown execution module, and promptly said protection control module comprises time judgment module and warning execution module.
Other structures are all the same with embodiment 3 in the present embodiment, repeat no more at this.
Among the above-mentioned disclosed embodiment; The viewing distance control device only is applied in the display device; Here; Should be appreciated that the described viewing distance control device of the utility model is not limit and only is applied to display device, any other need make user and a certain equipment keep the device of certain distance to include in the protection domain of the utility model.
It is understandable that above embodiment only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection domain of the utility model.
Claims (10)
1. the viewing distance control device of a display device includes apart from control module, timing unit and protection control module,
Saidly be used for the distance between real-time monitor user ' and the display device, and the distance signal that records be sent to timing unit in real time, triggering timing unit when said distance signal satisfies certain condition apart from control module;
Said timing unit picks up counting after being triggered, and the duration data-signal that timing obtains is real-time transmitted to said protection control module;
Said protection control module is used for receiving in real time the duration data-signal that timing unit transmits, and controls the power remove of give a warning prompting or control display device according to the duration data-signal that is received.
2. viewing distance control device according to claim 1 is characterized in that, saidly comprises distance-measurement module and apart from judge module apart from control module,
Said distance-measurement module is used for measuring in real time the distance between user and the display device, and measured distance signal is real-time transmitted to said apart from judge module;
Apart from being preset with the viewing ratio interval range in the judge module; Saidly be used for receiving in real time the distance value that said distance-measurement module measures in real time apart from judge module; And judge that received distance value is whether outside said viewing ratio scope:, then continue the distance value that real-time receiving range measurement module transmits apart from judge module as not; In this way, then by trigger said timing unit apart from judge module.
3. viewing distance control device according to claim 1 is characterized in that, saidly comprises apart from induction module apart from control module,
Saidly be used for measuring in real time the distance between user and the display device apart from induction module; Said measurement range apart from induction module is unsuitable viewing distance interval range; When the distance between user and the display device be in said apart from the measurement range of induction module within the time, by said apart from induction module triggering timing unit.
4. according to claim 2 or 3 described viewing distance control device, it is characterized in that said distance-measurement module or be range sensor apart from induction module.
5. viewing distance control device according to claim 1 is characterized in that, said protection control module comprises time judgment module and warning execution module,
Be preset with the warning time in the said time judgment module; Be used for receiving in real time the duration data-signal that said timing unit transmits; And the warning time of received duration data-signal and its internal preset compared, trigger said warning execution module according to comparative result again;
After said warning execution module was triggered by time judgment module, prompting was used to give a warning.
6. viewing distance control device according to claim 5 is characterized in that, said warning execution module comprises captions display control module and/or acoustic control module,
Said captions display control module is used to control on the screen of display device and demonstrates the captions prompting;
Said acoustic control module is used for controlling the display device prompting of sounding.
7. viewing distance control device according to claim 5 is characterized in that, said protection control module also comprises the shutdown execution module,
Also be preset with the unused time in the said time judgment module; Time judgment module receives the duration data-signal that said timing unit transmits in real time; And the received duration data-signal and the unused time of its internal preset compared, trigger said shutdown execution module according to comparative result again;
After said shutdown execution module is triggered by time judgment module, be used to turn-off the power supply of display device.
8. viewing distance control device according to claim 7 is characterized in that the said unused time is greater than the said warning time.
9. display device that includes the arbitrary described viewing distance control device of claim 1-8.
10. display device according to claim 9 is characterized in that said display device is televisor or display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202781163U CN202167120U (en) | 2011-08-02 | 2011-08-02 | Viewing distance control apparatus for display equipment and display equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202781163U CN202167120U (en) | 2011-08-02 | 2011-08-02 | Viewing distance control apparatus for display equipment and display equipment |
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| CN202167120U true CN202167120U (en) | 2012-03-14 |
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| CN2011202781163U Expired - Lifetime CN202167120U (en) | 2011-08-02 | 2011-08-02 | Viewing distance control apparatus for display equipment and display equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698519A (en) * | 2016-03-05 | 2016-06-22 | 何朝武 | Drying system with voice prompt function |
| CN105788188A (en) * | 2013-02-21 | 2016-07-20 | 魏国营 | Intelligent home system |
| WO2017080193A1 (en) * | 2015-11-13 | 2017-05-18 | 深圳Tcl数字技术有限公司 | Playback control method and device |
| CN116347164A (en) * | 2023-01-12 | 2023-06-27 | 深圳阜时科技有限公司 | Anti-addiction method for display equipment, D-TOF module and display equipment |
-
2011
- 2011-08-02 CN CN2011202781163U patent/CN202167120U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788188A (en) * | 2013-02-21 | 2016-07-20 | 魏国营 | Intelligent home system |
| WO2017080193A1 (en) * | 2015-11-13 | 2017-05-18 | 深圳Tcl数字技术有限公司 | Playback control method and device |
| CN105698519A (en) * | 2016-03-05 | 2016-06-22 | 何朝武 | Drying system with voice prompt function |
| CN116347164A (en) * | 2023-01-12 | 2023-06-27 | 深圳阜时科技有限公司 | Anti-addiction method for display equipment, D-TOF module and display equipment |
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Granted publication date: 20120314 |