CN201899077U - Writing desk plate for preventing myopia - Google Patents
Writing desk plate for preventing myopia Download PDFInfo
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- CN201899077U CN201899077U CN201020292147XU CN201020292147U CN201899077U CN 201899077 U CN201899077 U CN 201899077U CN 201020292147X U CN201020292147X U CN 201020292147XU CN 201020292147 U CN201020292147 U CN 201020292147U CN 201899077 U CN201899077 U CN 201899077U
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Abstract
The utility model discloses a writing desk plate for preventing myopia, which comprises a panel, an infrared ray detection probe and a prompting device. The writing desk plate is characterized in that the front edge of the panel is provided with a bracket; the bracket comprises a vertical bar and a cross bar which are integrally arranged; a gap through which a book can pass is arranged between the cross bar and the panel; the infrared ray detection probe is arranged on the cross bar; the prompting device comprises a sound prompter and a display screen prompter; and the infrared ray detection probe is connected with the display screen prompter and the sound prompter through a control circuit. The writing desk plate is favorable for reading books and learning for students, can prevent interfering, and learning efficiency is improved.
Description
Technical field
The utility model relates to a kind of writing table-plate, especially relates to a kind of pre-myopia prevention writing table-plate.
Background technology
At present, students in middle and primary schools' myopia incidence constantly rises, and wherein Cuo Wu writing posture is a very important reason, seeing for a long time in the written word, and the close writing table-plate of they involuntary labour contractor, this is very unfavorable to eyesight.
Chinese patent writing table-plate (Granted publication CN 2298720Y) discloses a kind of reader's of aiming at vision protection and the writing table-plate that designs; this writing table-plate mainly comprises panel; the infra-red detection probe that is provided with in the middle of the desk lamp that fixedly installs on the panel and the front end of panel; when the number of people is too near near writing table-plate, block infrared ray; the infra-red detection probe accepts to return infrared ray; produce photoelectric current; remove to drive warning circuit by processing of circuit; but when being to use this writing table-plate; the books that are positioned on the panel are easy to block the infra-red detection probe; make alarm continue to send alarm sound; in case and the number of people blocks the infra-red detection probe; alarm also can send prompting sound; thereby interference in learning; reduced student's learning efficiency; and when winter, temperature was lower, can not realize warming effect, be unfavorable for student's study of reading a book.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of student of helping study of reading a book, and prevents to disturb the pre-myopia prevention writing table-plate that improves learning efficiency.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of pre-myopia prevention writing table-plate, comprise panel, infra-red detection probe and suggestion device, described panel forward position is provided with support, described support comprises the montant and the cross bar of integrated setting, be provided with the gap that allows books to pass through between described cross bar and the described panel, described infra-red detection probe is positioned on the described cross bar, described suggestion device comprises auditory tone cues device and display screen prompting device, and described infra-red detection probe is connected with described display screen prompting device with described auditory tone cues device by control circuit.
This writing table-plate also comprises base plate, is provided with heating element heater between described panel and the described base plate.
Described panel also is provided with illuminating lamp, and described illuminating lamp comprises fluorescent tube and pipe box, and described fluorescent tube is the LED fluorescent tube, and the upper wall of described pipe box inner surface is equipped with reflector, and lower wall is equipped with fluorescent plate.
Described panel is provided with fixedly book plate, and described fixedly book plate one side is provided with the jig arm that is used for the clamping books.
Described control circuit comprises the monolithic control module, 2 pin of described monolithic control module are connected with resistance R 7 one ends, resistance R 7 other ends are connected with the base stage of triode Q2, the grounded emitter of triode Q2, the colelctor electrode of triode Q2 is connected with the end of swept resistance R8, the other end of swept resistance R8 is connected with the end of transmitting tube D4, and the other end of transmitting tube D4 is connected with power supply; 3 pin of monolithic control module are connected with resistance R 9 one ends, and resistance R 9 other ends are connected with the base stage of triode Q3, the grounded emitter of triode Q3, and the colelctor electrode of triode Q3 is connected with an end of auditory tone cues device, and the other end of auditory tone cues device is connected with power supply; 4 pin of monolithic control module are connected with an end of resistance R 2, resistance R 3 and capacitor C 4, the other end of resistance R 2 is connected with 1 pin of receiving tube, the other end of resistance R 3 is connected with power supply, the other end ground connection of capacitor C 4,2 pin of receiving tube are connected with polar capacitor C1 one end and ground connection with capacitor C 3, the polar capacitor C1 other end is connected with power supply, and capacitor C 3 other ends connect 3 pin of receiving tube and an end of resistance R 1, and the other end of resistance R 1 is connected with power supply; 5 pin of monolithic control module are connected with resistance R 4 one ends, the other end of resistance R 4 is connected with the base stage of triode Q1, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 is connected with resistance R 6 one ends, the other end of resistance R 6 is connected with the display screen prompting device, described display screen prompting device becomes 8 pin ground connection of monolithic control module by D1, D2, three light emitting diode string joint groups of D3.
Compared with prior art, advantage of the present utility model is: because this pre-myopia prevention writing table-plate comprises panel, infra-red detection probe and suggestion device, the panel forward position is provided with support, support comprises the montant and the cross bar of integrated setting, be provided with the gap that allows books to pass through between cross bar and the panel, the infra-red detection probe is positioned on the cross bar, suggestion device comprises auditory tone cues device and display screen prompting device, the infra-red detection probe is connected with the display screen prompting device with the auditory tone cues device by control circuit, therefore the books that are positioned on the panel can freely can not cover the infra-red detection probe by the gap, when the number of people too closely blocks the infra-red detection probe near writing table-plate, the display screen prompting device is with demonstration three words that sit up straight, in time remind the student to sit up straight, if after 30 seconds, do not sit up straight yet, verbal cue will take place in the auditory tone cues device, the utility model has reduced outer bound pair student's interference, has therefore improved student's learning efficiency; Owing to be provided with heating element heater between panel and the base plate, realized warming effect, help the study of reading a book when student's temperature in winter hangs down; Because illuminating lamp comprises fluorescent tube and pipe box, fluorescent tube is the LED fluorescent tube, and the upper wall of pipe box inner surface is equipped with reflector, and lower wall is equipped with fluorescent plate, and this light can not damage eyes, and plays the effect of protection eyes.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a circuit connection diagram of the present utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of pre-myopia prevention writing table-plate of the utility model, comprise panel 1, infra-red detection probe 2 and suggestion device, the support 3 that panel 1 forward position is provided with, support 3 comprises the montant 4 and the cross bar 5 of integrated setting, is provided with the gap that allows books to pass through between cross bar 5 and the panel 1, and infra-red detection probe 2 is positioned on the cross bar 5, suggestion device comprises auditory tone cues device 6 and display screen prompting device 7, and infra-red detection probe 2 is connected with display screen prompting device 7 with auditory tone cues device 6 by control circuit.
Wherein this writing table-plate also comprises base plate 8, is provided with heating element heater between panel 1 and the base plate 8;
Also be provided with fixedly bookshelf 10 on the panel 1, fixedly book plate one side is provided with the jig arm 11 that is used for the clamping books.
As shown in Figure 2, circuit connection structure of the present utility model is as follows:
Q1-Q3 is a triode, and R1-R8 is a resistance, the C1 polar capacitor, C2, C3 are electric capacity, and D1, D2, D3 are that light emitting diode, D4 are transmitting tube, and infra-red detection probe 2 comprises transmitting tube and receiving tube, the auditory tone cues device is the musical film that is provided with loudspeaker, and the display screen prompting device is an indicator lamp.
Control circuit comprises monolithic control module 12,2 pin of monolithic control module 12 are connected with resistance R 7 one ends, resistance R 7 other ends are connected with the base stage of triode Q2, the grounded emitter of triode Q2, the colelctor electrode of triode Q2 is connected with the end of swept resistance R8, the other end of swept resistance R8 is connected with the end of transmitting tube D4, and the other end of transmitting tube D4 is connected with power supply;
3 pin of monolithic control module 12 are connected with resistance R 9 one ends, and resistance R 9 other ends are connected with the base stage of triode Q3, the grounded emitter of triode Q3, and the colelctor electrode of triode Q3 is connected with an end of auditory tone cues device, and the other end of auditory tone cues device is connected with power supply;
4 pin of monolithic control module 12 are connected with an end of resistance R 2, resistance R 3 and capacitor C 4, the other end of resistance R 2 is connected with 1 pin of receiving tube, the other end of resistance R 3 is connected with power supply, the other end ground connection of capacitor C 4,2 pin of receiving tube are connected with polar capacitor C1 one end and ground connection with capacitor C 3, the polar capacitor C1 other end is connected with power supply, and capacitor C 3 other ends connect 3 pin of receiving tube and an end of resistance R 1, and the other end of resistance R 1 is connected with power supply;
5 pin of monolithic control module 12 are connected with resistance R 4 one ends, the other end of resistance R 4 is connected with the base stage of triode Q1, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 is connected with resistance R 6 one ends, the other end of resistance R 6 is connected with the display screen prompting device, the display screen prompting device becomes 8 pin ground connection of monolithic control module 12 by D1, D2, three light emitting diode string joint groups of D3.
During use, books are placed on fixedly on the bookshelf 10, homework book is placed on the panel 1, open lighting device 9, the student can see written word on panel 1, when the improper timing of child's posture, as the writing of bowing, three words that sit up straight on the display screen of the place ahead during near books light, and verbal cue is opened (please noting that the fast seat of pre-myopia prevention just) automatically after 30 seconds, do when correct up to child's posture, when eyes and books when keeping 30 centimetres, verbal cue is closed automatically, forces child to keep correct posture study, thereby the myopia that prevents child is with bow-backed, for closing, one grade is 40 ℃ in the middle of the heater switch, and second gear is 30 ℃.
Claims (5)
1. pre-myopia prevention writing table-plate, comprise panel, infra-red detection probe and suggestion device, it is characterized in that: described panel forward position is provided with support, described support comprises the montant and the cross bar of integrated setting, be provided with the gap that allows books to pass through between described cross bar and the described panel, described infra-red detection probe is positioned on the described cross bar, described suggestion device comprises auditory tone cues device and display screen prompting device, and described infra-red detection probe is connected with described display screen prompting device with described auditory tone cues device by control circuit.
2. a kind of pre-myopia prevention writing table-plate according to claim 1, it is characterized in that: this writing table-plate also comprises base plate, is provided with heating element heater between described panel and the described base plate.
3. a kind of pre-myopia prevention writing table-plate according to claim 1, it is characterized in that: described panel also is provided with illuminating lamp, and described illuminating lamp comprises fluorescent tube and pipe box, and described fluorescent tube is the LED fluorescent tube, the upper wall of described pipe box inner surface is equipped with reflector, and lower wall is equipped with fluorescent plate.
4. a kind of pre-myopia prevention writing table-plate according to claim 1, it is characterized in that: described panel is provided with fixedly book plate, and described fixedly book plate one side is provided with the jig arm that is used for the clamping books.
5. a kind of pre-myopia prevention writing table-plate according to claim 1, it is characterized in that: described control circuit comprises the monolithic control module, 2 pin of described monolithic control module are connected with resistance R 7 one ends, resistance R 7 other ends are connected with the base stage of triode Q2, the grounded emitter of triode Q2, the colelctor electrode of triode Q2 is connected with the end of swept resistance R8, and the other end of swept resistance R8 is connected with the end of transmitting tube D4, and the other end of transmitting tube D4 is connected with power supply; 3 pin of monolithic control module are connected with resistance R 9 one ends, and resistance R 9 other ends are connected with the base stage of triode Q3, the grounded emitter of triode Q3, and the colelctor electrode of triode Q3 is connected with an end of auditory tone cues device, and the other end of auditory tone cues device is connected with power supply; 4 pin of monolithic control module are connected with an end of resistance R 2, resistance R 3 and capacitor C 4, the other end of resistance R 2 is connected with 1 pin of receiving tube, the other end of resistance R 3 is connected with power supply, the other end ground connection of capacitor C 4,2 pin of receiving tube are connected with polar capacitor C1 one end and ground connection with capacitor C 3, the polar capacitor C1 other end is connected with power supply, and capacitor C 3 other ends connect 3 pin of receiving tube and an end of resistance R 1, and the other end of resistance R 1 is connected with power supply; 5 pin of monolithic control module are connected with resistance R 4 one ends, the other end of resistance R 4 is connected with the base stage of triode Q1, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 is connected with resistance R 6 one ends, the other end of resistance R 6 is connected with the display screen prompting device, described display screen prompting device becomes 8 pin ground connection of monolithic control module by D1, D2, three light emitting diode string joint groups of D3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020292147XU CN201899077U (en) | 2010-08-16 | 2010-08-16 | Writing desk plate for preventing myopia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020292147XU CN201899077U (en) | 2010-08-16 | 2010-08-16 | Writing desk plate for preventing myopia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201899077U true CN201899077U (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020292147XU Expired - Fee Related CN201899077U (en) | 2010-08-16 | 2010-08-16 | Writing desk plate for preventing myopia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201899077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112338A (en) * | 2014-06-27 | 2014-10-22 | 龙秋岐 | Myopia prevention book backing plate |
| CN107319764A (en) * | 2017-08-29 | 2017-11-07 | 许昌市建安区第二高级中学 | One kind corrects faulty sitting posture student's mat applying |
-
2010
- 2010-08-16 CN CN201020292147XU patent/CN201899077U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112338A (en) * | 2014-06-27 | 2014-10-22 | 龙秋岐 | Myopia prevention book backing plate |
| CN107319764A (en) * | 2017-08-29 | 2017-11-07 | 许昌市建安区第二高级中学 | One kind corrects faulty sitting posture student's mat applying |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20120816 |