CN201707769U - Eyesight protector - Google Patents
Eyesight protector Download PDFInfo
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- CN201707769U CN201707769U CN2010202310739U CN201020231073U CN201707769U CN 201707769 U CN201707769 U CN 201707769U CN 2010202310739 U CN2010202310739 U CN 2010202310739U CN 201020231073 U CN201020231073 U CN 201020231073U CN 201707769 U CN201707769 U CN 201707769U
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Abstract
An eyesight protector comprises a ranging unit, a data processor, a range setting unit and a reminding unit, wherein a signal output end of the range setting unit is connected with a range setting signal input end of the data processor, a ranging start control signal output end of the data processor is connected with a control signal input end of the ranging unit, an acquired signal output end of the ranging unit is connected with an acquired signal input end of the data processor, and a reminding signal output end of the data processor is connected with a signal input end of the reminding unit. Besides, the eyesight protector further comprises a fatigue remind setting unit, and a signal output end of the fatigue remind setting unit is connected with a fatigue remind setting signal input end of the data processor. The eyesight protector can not only remind users of eyesight distance, but remind users of preventing eye fatigue, thereby being capable of effectively preventing the users getting myopia due to too close distance and fatigue.
Description
Technical field
The utility model relates to a kind of sight protectio instrument, and has the sight protectio instrument of tired prompting function.
Background technology
At present, along with the continuous quickening of rhythm of life, the fault that the student reads a book, writes is added in increasing the weight of day by day of students in middle and primary schools' learning tasks, and A nearsighted person's quantity is the trend that rises significantly, and at present, myopia has become the significant problem of human concern.
Reach 22.78% according to national authority department statistics whole nation pupil's rate of myopia; Middle school student are 55.22%; The high school student is 70.34%; The university student is 76.74%.In case suffer from myopia, spectacles will be accompanied all the life, bring great inconvenience to daily life, even can influence child's employment in the future.Along with increasing the weight of of myopic degree, glasses need in time to change, and the patient who has has selected operative treatment, and therefore, myopia makes people bear spirit and living burden.For pre-myopia prevention, personages of various circles of society make positive effort and explore, and the someone has invented posture-correcting pen, anti-myopia glasses; For improving and recovering eyesight, selling on the market has a nurse, near-sighted glasses; Medical circle was also once carried out operative treatment at different patients.More than some product or methods of treatment be to suffer from the measure of just taking behind the myopia, significant limitation is in use arranged.
The utility model content:
The purpose of this utility model provides a kind of sight protectio instrument; remind the user to keep correct reading writing posture; to avoid suffering from myopia; not only be fit to twenty-twenty student; again the student who suffers from different myopia there is the effect of correcting eyesight; to prevent the myopic degree intensification, has tired function of reminding simultaneously.
A kind of sight protectio instrument; comprise range cells; data processor; the distance setting unit; reminding unit; wherein; the signal output part of distance setting unit connects the distance setting signal input part of data processor; the range finding start-up control signal output part of data processor connects the signal input end of range cells; the acquired signal output terminal of range cells connects the acquired signal input end of data processor; the alerting signal output terminal of data processor connects the signal input part of reminding unit; wherein: this sight protectio instrument also comprises tired reminder settings unit, and the signal output part of tired reminder settings unit connects the tired reminder settings signal input part of described data processor.
Described sight protectio instrument; wherein: described tired reminder settings unit comprises that first sets button, the second setting button, the 3rd setting button, and first, second, third sets the corresponding respectively first, second, third tired reminder settings time value signal input pin that is connected described data processor of button.
Described sight protectio instrument, wherein: described tired reminder settings unit comprises a rotary knob, the signal output part of rotary knob is connected on the tired reminder settings time value signal input part of described data processor.
Described sight protectio instrument; wherein: described reminding unit comprises audio frequency generation chip, audio frequency power amplifier chip, loudspeaker; wherein; the signal input part of audio frequency generation chip connects the alerting signal output terminal of described data processor; the signal output part of audio frequency generation chip connects the signal input part of audio frequency power amplifier chip, and the signal output part of audio frequency power amplifier chip connects loudspeaker.
Described sight protectio instrument, wherein: described reminding unit also comprises the earphone plug connector, the signal input part of earphone plug connector connects the earphone interface of audio frequency power amplifier chip.
Described sight protectio instrument; wherein: described reminding unit also comprises apart from attention gatter, the tired attention gatter of reminding, apart from attention gatter, the tired drive controlling end of reminding attention gatter corresponding respectively connect described data processor apart from alerting signal output terminal, tired alerting signal output terminal.
Described sight protectio instrument; wherein: this sight protectio instrument also comprises the Charge Management unit; this Charge Management unit comprises power supply power supply connector; charging management chip; rechargeable battery; N type MOS switching tube; three terminal regulator; wherein; the input end of power supply power supply connector is used to connect power supply; the output terminal of power supply power supply connector divides two-way; the first via connects the power supply input end of charging management chip; the second the tunnel connects the source electrode of N type MOS switching tube; the power supply output terminal of charging management chip connects the positive pole of rechargeable battery; the minus earth of rechargeable battery; the positive pole of rechargeable battery also connects the grid of N type MOS switching tube; the drain electrode of N type MOS switching tube connects the input end of three terminal regulator, and the output terminal of three terminal regulator is used to described sight protectio instrument, and each is powered with electrical component.
Described sight protectio instrument; wherein: described Charge Management unit also comprises rechargeable battery full state pilot lamp, wrong pilot lamp charges; the described rechargeable battery full state of the rechargeable battery full state signal output part control linkage pilot lamp of described charging management chip, the wrong pilot lamp of the described charging of charging error condition signal output part control linkage of described charging management chip.
The utility model will reach following technique effect after adopting technique scheme:
Sight protectio instrument of the present utility model; measure distance between current user and the sight protectio instrument by range cells; sending into the distance value of setting in data processor and distance setting unit compares; if less than the distance value of setting; data processor will drive reminding unit and remind; set the tired time of reminding by tired reminder settings unit; when arriving the time of tired prompting; data processor drives reminding unit and implements tired the prompting; so; not only can remind the user note with eye distance from, it is tired with eye to remind the user to prevent, therefore can effectively prevent because of crossing with eye near and tired with going up myopia.
Description of drawings:
Fig. 1 is the structured flowchart of the utility model sight protectio instrument;
Fig. 2 is the circuit theory diagrams of the utility model sight protectio instrument.
Embodiment:
Sight protectio instrument of the present utility model, as shown in Figure 1, comprise power supply unit, range cells, data processor, the distance setting unit, tired reminder settings unit, reminding unit, wherein, the signal output part of distance setting unit connects the distance setting signal input part of data processor, the range finding start-up control signal output part of data processor connects the signal input end of range cells, the acquired signal output terminal of range cells connects the acquired signal input end of data processor, the signal output part of tired reminder settings unit connects the tired reminder settings signal input part of described data processor, and the alerting signal output terminal of data processor connects the signal input part of reminding unit; The output terminal of Charge Management unit is used to connect the feeder ear of each electricity consumption device.
Fig. 2 is the circuit theory diagrams of the utility model sight protectio instrument, and described data processor U2 adopts Taiwan to close safe series monolithic HT48F50E, is connected decoupling capacitance C10 between power end 20 pin of data processor U2 and earth terminal 11 pin.
Described range cells comprises infrared emission tube LE4 (employing infrared light emitting diode) and infrared receiver tube U1 (adopting model is 3638), infrared emission tube LE4 one end is connected to power end VDD by current-limiting resistance R19, the other end connects the collector of switch triode Q3,2 pin (PB4 pin) of the base stage connection processing device U2 of switch triode Q3, the grounded emitter of switch triode Q3; Feeder ear 1 pin of infrared receiver tube U1 connects power vd D by divider resistance R1,1 pin of infrared receiver tube U1 is a signal output part, be connected to 1 pin (PB5 pin) of data processor U2, the 3 pin ground connection of infrared receiver tube U1, send the 38K square-wave signal by data processor U2 every 1 second base stage to switch triode Q3, the collector of switch triode Q3 drives infrared transmitting tube LED4 and sends the 38K infrared signal towards periphery thus, when running into human body in the distance that the 38K infrared signal is being set, reflex can take place, the 38K infrared signal of reflection is recognized by infrared receiving tube U1, pass to 1 pin of data processor U2 through 2 pin of infrared receiving tube U1, can judge that thus the safe distance whether user set relatively is near excessively.The button S1 of 28 pin by being connected data processor U1 controls setpoint distance; the user can set the infrared emission gauged distance; the user presses on ﹠ off switch S1; reminding unit then sends voice suggestion (" ding-dong; please set visual gauged distance "; it is setpoint distance that the user keeps current distance; hear after 5 seconds: " ding-dong; gauged distance has been provided with success; please note your eyesight of protection "; then expression has been provided with success; if hear after 5 seconds: " ding-dong, gauged distance is provided with failure, please reset " then represents to be provided with failure " need open on ﹠ off switch S1 again this moment) and pilot lamp LED5 prompting (voice suggestion is then extinguished after being provided with successfully; if the prompting failure is then long bright, need open on ﹠ off switch S1 this moment again).
Described reminding unit comprises audio frequency generation chip U3, digital audio-power amplifier chip U6, loudspeaker attachment plug JP3, the first pilot lamp LED5, the second pilot lamp LED6, judge according to the signal output that infrared receiver tube U1 sends here whether the user exceeds safe distance in real time by data processor U2, if exceed safe distance the time reach setting-up time (as 3 seconds), data processor U2 by its 4,5 pins send gating voice reminder signal to audio frequency generation chip U3, control audio generation chip U3 sounding, 3 human hair combing wastes of audio frequency generation chip U3 go out sound signal, this audio-signal-driven digital audio-power amplifier U3 drives loudspeaker or the earphone sounding that is connected on the loudspeaker attachment plug JP3, remind the user to exceed safe distance, data processor U2 drives triode Q5 generation square-wave pulse signal by its 3 pin simultaneously, drive second pilot lamp LED6 flicker by triode Q5, remind the user to exceed safe distance, please correct faulty sitting posture.The first pilot lamp LED5 is used for tired the prompting.
In the present embodiment, described tired reminder settings unit comprises that first sets button S2, the second setting button S3, the 3rd setting button S4, first, second, third sets the corresponding respectively first, second, third tired reminder settings time value signal that is connected described data processor U2 of button S2, S3, S4 imports on the pin 27,26,25, press first, second, third and set button S2, S3, S4, be respectively applied for and set 30 minutes, 60 minutes, 120 minutes.
In addition, a rotary knob also can be arranged in described tired reminder settings unit, time scale is set around the rotary knob, the signal output part of rotary knob is connected on the tired reminder settings time value signal input part of described data processor U2, rotate this rotary knob to the time scale of needs, data processor U2 can then drive prompting.
After configuring tired reminder time, judge whether to exceed the tired reminder time of setting by processor U2, data processor U2 by its 4,5 pins send gating voice reminder signal to audio frequency generation chip U3, control audio generation chip U3 action, 3 human hair combing wastes of audio frequency generation chip U3 go out sound signal, drive digital audio-power amplifier U3 and drive loudspeaker or the earphone sounding that is connected on the loudspeaker attachment plug JP3, the voice reminder user has arrived the tired reminder time of setting and " please have a rest 10 minutes ", data processor U2 drives triode Q2 generation square-wave pulse signal by its 3 pin simultaneously, drives first pilot lamp LED5 flicker by triode Q2.
In addition; described sight protectio instrument also comprises a lighting unit; lighting unit comprises ￠ 5 highlighted LED lamp LED1, a bull switch S5, a current-limiting resistance R18, and illuminating lamp LED1 and bull switch S5 are connected in series on the power supply VEE by current-limiting resistance R18.
Described Charge Management unit comprises power supply power supply connector CON1; charging management chip U5; charged lithium cells B1; N type MOS switching tube Q1; three terminal regulator U4; wherein; the input end of power supply power supply connector CON1 is used to connect power supply; the output terminal of power supply power supply connector CON1 divides two-way; the first via connects power supply input end 4 pin of charging management chip U5; the second the tunnel connects the source electrode of N type MOS switching tube Q1; power supply output terminal 5 pin of charging management chip U5 connect the positive pole of charged lithium cells B1; the minus earth of charged lithium cells B1; the positive pole of charged lithium cells B1 also connects the grid of N type MOS switching tube Q1; the drain electrode of N type MOS switching tube Q1 connects input end (the drain electrode output voltage V EE of N type MOS switching tube Q1 of three terminal regulator U4; be used to lighting unit that electric energy is provided), the output terminal output dc voltage VDD of three terminal regulator U4 is used to the range cells of described sight protectio instrument; data processor U2; the distance setting unit; tired reminder settings unit; the reminding unit power supply.
Described Charge Management unit also comprises rechargeable battery full state pilot lamp LED2, the wrong pilot lamp LED3 of charging, the rechargeable battery full state signal output part 7 foot control systems of described charging management chip U5 connect described rechargeable battery full state pilot lamp LED2, and the charging error condition signal output part 6 foot control systems of described charging management chip U5 connect the wrong pilot lamp LED3 of described charging.
When the user powers to total system by power supply connector CON1, Q1 powers to total system by N type MOS switching tube, this moment, the circuit of charged lithium cells B1 was cut off, do not power to total system, power supply connector CON1 is ￠ 5 circular attaching plugs, the power supply connector CON1 give charged lithium cells B1 charging by charging management chip U5, when charged lithium cells B1 is full of, LED LED 2 is luminous, pilot cell is full of, and when the charging mistake took place, LED LED 3 was luminous, indication charging mistake, the reminding user to replace battery; In addition, the diode D1 among the figure rises and prevents current direction power supply connector CON1 end.
In addition, chip JP2 among the figure is that the program of data processor U2 is downloaded chip, 6, corresponding respectively 6,2,21,11,20,19 pin that are connected to data processor U2 of 5,4,3,2,1 pin, before product export, when downloading, need pull out the jumper cap JP1 of the reset terminal (19 pin) that is connected data processor U2, enable to download mouth, when the download program finishes, need reinstall jumper cap JP1.
Idiographic flow step based on the sight protectio control method of the utility model sight protectio instrument is as described below:
1), system initialization, data processor U2 reminds counter to compose initial value to the fatigue of its inside; Afterwards, enter step 2);
2), range finding start-up control end 2 pin of data processor U2 output high level signal drives triode Q3 conducting, infrared emission tube LED4 is powered on, the emission infrared ray, simultaneously, data processor U2 judges that whether its distance measuring signal input end 1 pin receives the infrared distance measurement signal of being sent here by infrared receiver tube U1, if receive the infrared distance measurement signal, enters step 3), if do not receive the infrared distance measurement signal, return step 2);
3), judge that the infrared distance measurement signal duration receive is whether more than or equal to predefined undesired signal duration (being set at 100 microseconds) in the present embodiment: if this infrared distance measurement signal duration is more than or equal to predefined undesired signal duration, judge that this infrared distance measurement signal is a useful signal, enter step 4), simultaneously, data processor U2 reminds counter to add 1 operation to the fatigue of its inside, afterwards, data processor U2 judges whether the tired aggregate-value of counter of reminding surpasses user's setting value: if surpass user's setting value, 4 of data processor U2,5 pin send the voice reminder order to audio frequency generation chip U3, to remind the user need have a rest 10 minutes, withdraw from interrupt routine then, return master routine; If this infrared distance measurement signal duration less than predefined undesired signal duration, judges that this infrared distance measurement signal is a undesired signal, return step 2);
4), data processor U2 judges that the distance value read is whether less than lowest distance value (as 50 centimetres) under the predefined correct body position situation from this infrared distance measurement signal: if less than, data processor U2 passes through its alerting signal output terminal 3 pin to the second pilot lamp LED6 feed drive signal, it is luminous to drive the second pilot lamp LED6, near excessively with the prompting user with eye, should be noted that, 4, while data processor U2 passes through, and 5 pin send order to audio frequency generation chip U6, implement voice reminder to drive, return step 2 simultaneously); If be not less than, return step 2).
If the user need be according to the lowest distance value under its correct body position situation of actual conditions oneself setting, can set by described correct distance by-pass cock S1, the signal of setting is delivered in the data processor U2 by 28 pin of data processor U2, and lowest distance value under the predefined correct body position situation among the data processor U2 is made amendment.
To sum up; sight protectio instrument of the present utility model; can be when user's reading/writing distance be too near or the tired reminder time of setting then implement to remind; suffer from myopia with the prevention user; use colony extensive; both be fit to twenty-twenty student, again the student who suffers from different myopic degrees had the effect of correcting eyesight, deepened to prevent myopic degree.Except that pre-myopia prevention, also have the function of illumination, bring great convenience to daily life.
Claims (8)
1. sight protectio instrument; comprise range cells; data processor; the distance setting unit; reminding unit; wherein; the signal output part of distance setting unit connects the distance setting signal input part of data processor; the range finding start-up control signal output part of data processor connects the signal input end of range cells; the acquired signal output terminal of range cells connects the acquired signal input end of data processor; the alerting signal output terminal of data processor connects the signal input part of reminding unit; it is characterized in that: this sight protectio instrument also comprises tired reminder settings unit, and the signal output part of tired reminder settings unit connects the tired reminder settings signal input part of described data processor.
2. sight protectio instrument as claimed in claim 1; it is characterized in that: described tired reminder settings unit comprises that first sets button, the second setting button, the 3rd setting button, and first, second, third sets the corresponding respectively first, second, third tired reminder settings time value signal input pin that is connected described data processor of button.
3. sight protectio instrument as claimed in claim 1 is characterized in that: described tired reminder settings unit comprises a rotary knob, and the signal output part of rotary knob is connected on the tired reminder settings time value signal input part of described data processor.
4. as claim 1 or 2 or 3 described sight protectio instrument; it is characterized in that: described reminding unit comprises audio frequency generation chip, audio frequency power amplifier chip, loudspeaker; wherein; the signal input part of audio frequency generation chip connects the alerting signal output terminal of described data processor; the signal output part of audio frequency generation chip connects the signal input part of audio frequency power amplifier chip, and the signal output part of audio frequency power amplifier chip connects loudspeaker.
5. sight protectio instrument as claimed in claim 4 is characterized in that: described reminding unit also comprises the earphone plug connector, and the signal input part of earphone plug connector connects the earphone interface of audio frequency power amplifier chip.
6. sight protectio instrument as claimed in claim 4; it is characterized in that: described reminding unit also comprises distance alarm lamp, tired reminding alarm lamp, the drive controlling end of distance alarm lamp, tired reminding alarm lamp is corresponding respectively connect described data processor apart from alerting signal output terminal, tired alerting signal output terminal.
7. as claim 1 or 2 or 3 described sight protectio instrument; it is characterized in that: this sight protectio instrument also comprises the Charge Management unit; this Charge Management unit comprises power supply power supply connector; charging management chip; rechargeable battery; N type MOS switching tube; three terminal regulator; wherein; the input end of power supply power supply connector is used to connect power supply; the output terminal of power supply power supply connector divides two-way; the first via connects the power supply input end of charging management chip; the second the tunnel connects the source electrode of N type MOS switching tube; the power supply output terminal of charging management chip connects the positive pole of rechargeable battery; the minus earth of rechargeable battery; the positive pole of rechargeable battery also connects the grid of N type MOS switching tube; the drain electrode of N type MOS switching tube connects the input end of three terminal regulator, and the output terminal of three terminal regulator is used to described sight protectio instrument, and each is powered with electrical component.
8. sight protectio instrument as claimed in claim 7; it is characterized in that: described Charge Management unit also comprises rechargeable battery full state pilot lamp, wrong pilot lamp charges; the described rechargeable battery full state of the rechargeable battery full state signal output part control linkage pilot lamp of described charging management chip, the wrong pilot lamp of the described charging of charging error condition signal output part control linkage of described charging management chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202310739U CN201707769U (en) | 2010-06-21 | 2010-06-21 | Eyesight protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202310739U CN201707769U (en) | 2010-06-21 | 2010-06-21 | Eyesight protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707769U true CN201707769U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202310739U Expired - Fee Related CN201707769U (en) | 2010-06-21 | 2010-06-21 | Eyesight protector |
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| Country | Link |
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| CN (1) | CN201707769U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938575A (en) * | 2012-11-21 | 2013-02-20 | 无锡北方湖光光电有限公司 | Portable universal power supply support system for field operations |
| CN104134324A (en) * | 2014-08-04 | 2014-11-05 | 江苏艾倍科科技有限公司 | Electronic eye protecting device and method |
| CN104330902A (en) * | 2013-07-23 | 2015-02-04 | 赵立国 | Multifunctional myopia preventing glasses |
| TWI509578B (en) * | 2013-04-07 | 2015-11-21 | Inventec Appliances Corp | Portable device for measuring degree of fatigue |
| CN106483681A (en) * | 2016-07-01 | 2017-03-08 | 龙彩霞 | Anti-myopia glasses |
| CN106910321A (en) * | 2017-02-24 | 2017-06-30 | 王李有容 | Outer hung type myopia prevention device |
| CN110393373A (en) * | 2019-02-20 | 2019-11-01 | 上海新博路工业设计有限公司 | Intelligent rack for reading book |
-
2010
- 2010-06-21 CN CN2010202310739U patent/CN201707769U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938575A (en) * | 2012-11-21 | 2013-02-20 | 无锡北方湖光光电有限公司 | Portable universal power supply support system for field operations |
| TWI509578B (en) * | 2013-04-07 | 2015-11-21 | Inventec Appliances Corp | Portable device for measuring degree of fatigue |
| CN104330902A (en) * | 2013-07-23 | 2015-02-04 | 赵立国 | Multifunctional myopia preventing glasses |
| CN104134324A (en) * | 2014-08-04 | 2014-11-05 | 江苏艾倍科科技有限公司 | Electronic eye protecting device and method |
| CN106483681A (en) * | 2016-07-01 | 2017-03-08 | 龙彩霞 | Anti-myopia glasses |
| CN106910321A (en) * | 2017-02-24 | 2017-06-30 | 王李有容 | Outer hung type myopia prevention device |
| CN110393373A (en) * | 2019-02-20 | 2019-11-01 | 上海新博路工业设计有限公司 | Intelligent rack for reading book |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20170621 |