CN101008841A - Display device capable of preventing looking nearly - Google Patents
Display device capable of preventing looking nearly Download PDFInfo
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- CN101008841A CN101008841A CN 200610006747 CN200610006747A CN101008841A CN 101008841 A CN101008841 A CN 101008841A CN 200610006747 CN200610006747 CN 200610006747 CN 200610006747 A CN200610006747 A CN 200610006747A CN 101008841 A CN101008841 A CN 101008841A
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Abstract
This invention relates to one display device to avoid near watch, which comprises one shell, one display fixed on shell, one sensor and one adjust part, wherein, the display device is fixed on front of shell in video image type; the sensor is fixed on front of shell to get sense through user temperature within certain test distance; when sensor user comes near for certain time, it controls display device close to terminate the display.
Description
Technical field
The present invention relates to a kind of display device, be meant a kind of display device that can be used to playing video especially.
Background technology
General display device makes it in volume, image quality, price along with the difference of employing display module type ... etc. aspect difference to some extent all, more common display module has cathode-ray tube (CRT), display panels, electric slurry display panel ... Deng.Big, the low price of the volume of cathode-ray tube (CRT) wherein, and the volume of liquid crystal, electric slurry display panel is little, but cost an arm and a leg.
No matter which kind of display module is display device adopt, all be to come playing video for watching by display module, significant be, because general less child, teenager of age relatively do not have continence, being very easy to be subjected to the display device broadcast program attracts, and do not know ground too near display device, add that child, teenager are in growth, stage of development, closely to watch image frame attentively of a specified duration excessively when eyes, get off for a long time very easily to cause myopia, the electromagnetic wave that certain display device is produced also can damage health.
At present visible multiple display device can the user long-time too near the time design of shutdown in good time, No. 271285 " improved device of TV automatic safe distance detector " patented claim, the 41801st " TV safe distance Automatic Reactor " patented claim, No. 57122 " TV safe distance Automatic Reactor " additional patent application is for example disclosed ... Deng.
Though the design of aforementioned patent applications can be passed through the predetermined inductive device, reach the effect that obtains induction when the user is too near to and shut down automatically, but but bring inconvenience at some particular case, for example in situation such as run into party, entertain guests at a banquet, and the interior space is when spacious inadequately, and display device will be because of having sensed human body too near shutdown automatically repeatedly.
In addition, the design of aforementioned each patented claim, and the space size is different at home to reckon without the user, therefore do not possess the design that allows the user adjust numerical value such as distance of reaction, time voluntarily, for the user that different demands are arranged, also can bring inconvenience, for example too narrow in the space, house, it is difficult to cause display device to put, even can't use; In addition, if when the user wants to have strict distance or time restriction, but can't do suitable adjustment.
Summary of the invention
The object of the present invention is to provide a kind of can the user long-time too near the time can shut down in good time and can adjust the display device closely seen of preventing of responding to numerical value.
The present invention can prevent that the display device of closely seeing comprises a housing, and is installed in a display in this housing front forward playing video, it is characterized in that: this display device also comprises an inductor and adjustment assembly that is installed in respectively on the housing.This inductor is installed in the positive place of this housing, this inductor can be when the user be interior near its place ahead one predetermined detection distance, obtain induction via user's body temperature, and continue near reaching a schedule time during setting value the induction user, control this display device shutdown, make this display stop playing video.This adjustment assembly is installed on this housing, is used for adjusting the detection distance of this inductor.
Description of drawings
Below in conjunction with drawings and Examples the wheel rim with hollow type embedding tire flange of the present invention is elaborated, in the accompanying drawing:
Fig. 1 is a front elevation of preventing the embodiment of the display device closely seen of the present invention;
Fig. 2 is the control function calcspar of this embodiment;
Fig. 3 is the control flow chart of this embodiment;
Fig. 4 is the circuit diagram of this embodiment,
Embodiment
As Fig. 1 and shown in Figure 2, the present invention can prevent that the embodiment of the display device closely seen comprises a housing 2, and be installed in a display 3 on this housing 2, inductor 4, warning component 5, two adjustment assemblies 61 and 62 that are used for adjusting the related setting value of this inductor 4, and switch module 63 that is used for closing this inductor 4.
The application form of this display device, can be and adopt cathode-ray tube (CRT), display panels, the televisor of electric slurry display panel, computer screen, DVD player ... Deng, but not as limit, present embodiment is to be that example explains with the televisor that adopts display panels.
The inner hollow of this housing 2 can be used to be installed in aforementioned display 3, inductor 4 and warning component 5, and is convenient to upright placement.
This display 3 is to be installed in this housing 2 positive place central authorities forward playing video, can adopt the various assemblies that can be used for show image, as cathode-ray tube (CRT), display panels, electric slurry display panel ... Deng, but not as limit.
This inductor 4 is mounted in this housing 2 positive nearly upper edges, and is positioned at this display 3 tops, and this inductor 4 is to be that example explains to adopt thermal sensor in the present embodiment.In the design, these inductor 4 detectable scopes are predetermined detection distance ranges that are positioned at its place ahead, for example 120 ° of fan-shaped left and right sides angles, on 60 ° of lower angles and the distance three meters with interior zone, and inductor 4 operation situation roughly, be to be higher than a desired temperature and to continue more than the time setting value power supply that just cuts off display device detecting temperature.
What deserves to be mentioned is that the mode of general thermal sensor temperature sensor can be different according to design requirement, except taking predetermined temperature obtains induction as time more than 35 ℃, also can be made as temperature and between a preset range is as 35 ~ 39 ℃, to obtain induction.In the present embodiment explanation, though be must be higher than a desired temperature with the temperature that is detected just to obtain to be sensed as example when above, in the enforcement not as limit.
This warning component 5 also is mounted in this housing 2 positive places, and is positioned at this inductor 4 next doors, but not as limit.This warning component 5 can be controlled by this inductor 4 and produce early warning, in the present embodiment, this warning component 5 is to be that example explains with the light emitting diode, utilize illumination mode that the caution effect is provided, its controlled luminous situation, be to provide caution, and in time during more near three minutes, flicker frequency is fast more with the flicker illumination mode.This warning component 5 does not provide caution to exceed with illumination mode in the enforcement, and the mode that also can send the sound provides caution.
Adjust assembly 61,62 and be installed on this housing 2, the adjustment assembly 61,62 in the present embodiment all is that employing knob form is that example explains.Adjust assembly 61,62 and be used for adjusting the distance and time set value that aforementioned inductor 4 detects respectively, thereby the user can suitably adjust the detection distance of inductor 4 and the size of time set value, therefore when space, user house is narrower, can be by adjusting the adjustment of assembly 61, distance of reaction is turned down, be difficult for maybe can't using to avoid display device to put, when certainly the user wants strict distance or time restriction are arranged, equally can be respectively do the bigger adjustment that detects distance and short period setting value by adjusting assembly 61,62.
This switch module 63 is installed on this housing 2, is to be that example explains to adopt key switch in this enforcement, this switch module 63 effect is set is to be used for closing this inductor 4, inductor 4 is not worked, allow the power supply of display device not be subjected to inductor 4 controls.
Shown in Fig. 3,4, detection and the roughly following explanation of workflow about inductor 4, after the display device start, shown in flow process 610,615, if switch module 63 has been closed the work of inductor 4, the power supply of display device just is not subjected to inductor 4 controls, and this design allows the user in party, when entertaining guests at a banquet, can close inductor 4 by switch module 63, avoid inductor 4 because of having sensed human body repeatedly too near causing the display device shutdown.
If this switch module 63 is not closed the work of inductor 4 in the flow process 610, just continue to flow process 611, whether detect the user too near inductor 4, when detecting temperature in aforementioned predetermined detection distance range, inductor 4 is higher than more than the desired temperature, in the time of for example more than 35 ℃, can carry out flow process 612, order about caution element 5 and send caution, then carry out flow process 613, sense holding time of the temperature that is higher than more than the setting value when inductor 4, reach a time setting value, in the time of for example more than three minutes, just carry out flow process 614, the power supply of display device is cut off in control, make the display device shutdown, so display 3 will stop playing video because of shutdown.
Just, after inductor 4 receives the body temperature signal, can export a signal, and by numbering the LM324U3A amplifier with 100 times of signal amplifications, and then amplified signal is coupled to next stage by capacitor C 8, and again signal is amplified 20 times, make total enlargement ratio reach 2000 times.The signal that is exaggerated 2000 times is done voltage ratio via U3C and the U3D of comparer LM324 again, as long as surpass capping and lower limit, comparer just can remove driving transistors D2, D4 by output HIGH voltage.And that transistor can remove to drive the green LED (LED) of warning component 5 (numbering JP1 electronic package) is shinny, and allows the signal of output (OUTPUT) end become electronegative potential, and notice is numbered the AT89C2051 microcontroller has signal to come in.
When numbering AT89C2051 microcontroller judges that through the embedding program signal reaches the condition of output TV POWER signal, the TV POWER end of this microcontroller is made as electronegative potential output, and the STARTLED output terminal is made as electronegative potential, makes the red light emitting diodes (LED) that drives warning component 5 (numbering JP1 electronic package) shinny and send caution.And the output of the noble potential of TV POWER can be ordered about relay (RELAY-SPDT) to start, and makes numbering JP2 electronic package produce short circuit, and closes the display device power supply.
Less child is very old among the manager, being shown the program that device 3 play attracts, do not know ground too near display device, and when entering in three meters in inductor 4 the place aheads, because the body temperature of human body is about about 37 ℃, 35 ℃ of desired temperatures that are higher than inductor 4, therefore inductor 4 can obtain induction, if in three minutes backward, the child does not all leave the sensing range of inductor 4, inductor 4 is just controlled the display device shutdown, makes display 3 stop playing video, for a long time, closely watches image frame attentively to prevent the child.And will adjust the distance of reaction of inductor 4 and sensitive time the time, can finish by turning the adjustment assembly of forming by variable resistor 61,62 respectively.
In addition, what this must further specify be, during actual enforcement, this inductor also can be designed to 4 detected temperatures of inductor and obtain induction when per minute changes more than 3 ℃, whereby equally can be too when the inductor 4 at human body, sense the per minute temperature variation via the Infrared wavelength of inductor 4 human body and surpass 3 ℃, and then the shutdown of control display device.
Take a broad view of above-mentioned, the present invention can prevent the design of the display device closely seen, can only be when the user be too not close for a long time, obtain induction via inductor 4, and then control display device shutdown, stop display 3 playing videos, avoid the user closely to watch program for a long time, also can change induction numerical value such as detecting distance and time set value by the adjustment of adjusting assembly 61,62, and close inductor 4 by switch module 63 and work, to obtain preferable ease of use, therefore can reach purpose of the present invention really.
Claims (8)
1, a kind ofly prevent the display device closely seen, comprise a housing, and display that is installed in this housing front forward playing video, it is characterized in that: this display device also comprises an inductor that is installed in the positive place of this housing, and adjustment assembly that is installed on this housing, this inductor can be when the user be interior near its place ahead one predetermined detection distance, obtain induction by user's body temperature, and continue near reaching a schedule time during setting value the induction user, control this display device shutdown, make this display stop playing video, this adjustment assembly can be used to adjust the detection distance of this inductor.
2. as claimed in claim 1ly prevent the display device closely seen, it is characterized in that: this display device also comprises another inductive component that is installed in the time set value that is used for adjusting this inductor on this housing.
3. as claimed in claim 1 or 2ly prevent the display device closely seen, it is characterized in that: this display device also comprises one and is installed in the switch module that is used for closing this inductor on this housing.
4. as claimed in claim 1ly prevent the display device closely seen, it is characterized in that: this display device also comprises one and can be controlled by this inductor and produce the warning component of early warning, this warning component is installed on this housing, and sensing the user at this inductor, to enter this detection distance controlled and send caution when interior.
5. as claimed in claim 4ly prevent the display device closely seen, it is characterized in that: this warning component adopts light emitting diode, and sensing the user at this inductor, to enter this detections controlled and glimmer luminous when interior.
6. as claimed in claim 5ly prevent the display device closely seen, it is characterized in that: this inductor continues the close time during more near this schedule time the induction user, and it is luminous with fast more flicker frequency to control this warning component.
7. as claimed in claim 1ly prevent the display device closely seen, it is characterized in that: this inductor adopts infrared inductor.
8. the display device that can prevent closely seeing, comprise a housing, and display that is installed in this housing front forward playing video, it is characterized in that: this display device also comprises an inductor that is installed in the positive place of this housing, and adjustment assembly that is installed on this housing, this inductor can be when the user be interior near its place ahead one predetermined detection distance, obtain induction by user's body temperature, and continue near reaching a schedule time during setting value the induction user, control this display device shutdown, make this display stop playing video, this adjustment assembly can be used to adjust the time set value of this inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610006747 CN101008841A (en) | 2006-01-27 | 2006-01-27 | Display device capable of preventing looking nearly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610006747 CN101008841A (en) | 2006-01-27 | 2006-01-27 | Display device capable of preventing looking nearly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101008841A true CN101008841A (en) | 2007-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610006747 Pending CN101008841A (en) | 2006-01-27 | 2006-01-27 | Display device capable of preventing looking nearly |
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| Country | Link |
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| CN (1) | CN101008841A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724454A (en) * | 2011-03-29 | 2012-10-10 | 宏碁股份有限公司 | System and method for dynamically configuring service information in pictures |
| CN105374159A (en) * | 2014-08-11 | 2016-03-02 | 林昭宏 | Article loss preventing device and method |
| CN106444851A (en) * | 2016-07-07 | 2017-02-22 | 吴桂广 | Automatic control device using infrared sensing |
-
2006
- 2006-01-27 CN CN 200610006747 patent/CN101008841A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724454A (en) * | 2011-03-29 | 2012-10-10 | 宏碁股份有限公司 | System and method for dynamically configuring service information in pictures |
| CN105374159A (en) * | 2014-08-11 | 2016-03-02 | 林昭宏 | Article loss preventing device and method |
| CN106444851A (en) * | 2016-07-07 | 2017-02-22 | 吴桂广 | Automatic control device using infrared sensing |
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