CN2616115Y - Electronic learning desk of preventing myopia - Google Patents
Electronic learning desk of preventing myopia Download PDFInfo
- Publication number
- CN2616115Y CN2616115Y CN 03203243 CN03203243U CN2616115Y CN 2616115 Y CN2616115 Y CN 2616115Y CN 03203243 CN03203243 CN 03203243 CN 03203243 U CN03203243 U CN 03203243U CN 2616115 Y CN2616115 Y CN 2616115Y
- Authority
- CN
- China
- Prior art keywords
- infrared ray
- support arm
- alarm
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model provides a myopia prevention electric learning table which employs infrared ray to precisely control the distance between the eyes and the table and is capable of making alarms timely and efficiently. The utility model mainly comprises a table body, a left support arm (3) and a right support arm (4) mounted on the two sides of the table body, a infrared ray launching head (1) and a infrared ray receiving head (2) disposed on the upper ends of the left and right supporting arms, and an alarm (5) installed on the table. An infrared ray beam is formed between the infrared ray launching head (1) and the infrared ray receiving head (2) and when eyes are too close to the table therefore blocking the infrared ray beam, the electric circuit of the alarm (5) starts and begins making audible alarms. The position of the infrared ray beam is capable of being adjusted by changing the angle and length of the left and right supporting arms (3) (4).The utility model has the advantages that the position of the infrared ray beam is capable of being adjusted, the audible alarming works effectively and the utility model is easy for mass production.
Description
(1) technical field:
The utility model relates to a kind of learning desk, particularly myopic-preventing learning desk.
(2) background technology:
Present student's learning desk of using, the distance owing to not controlling between eyes and the desktop causes the situation of myopia of student a lot.Even the device of distance between control eyes and the desktop basis is arranged, generally also exist the relatively poor shortcoming of unreasonable on the structure, pre-myopia prevention effect.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of and accurately controls distance between eyes and the desktop and myopia prevention e-learning table that can timely and effective warning with infrared ray.
Technology contents of the present utility model is to comprise desktop, table leg, wherein, desktop is installed in and forms the table body on the table leg, it is characterized in that the lower end of left and right sides support arm is installed on the both sides of a body, the upper end of left and right sides support arm is equipped with infrared head and infrared receiving terminal, alarm is installed on the body, and the infrared head connects with alarm with lead with infrared receiving terminal.
The lower end of left and right sides support arm to be rotate paying both sides that are installed on a body, and the length of left and right sides support arm can telescopic adjustment; Be provided with delay circuit in the alarm, and adopt audio alert.
Advantage of the present utility model is to adopt infrared light beam can accurately control distance between eyes and the desktop, the position-adjustable of infrared light beam, and the audio alert prompting is effective, circuit mature and reliable, practical, low, the easy production in enormous quantities of cost.
(4) description of drawings:
Fig. 1 Fig. 2 Fig. 3 is respectively stereographic map of the present utility model, front view and left view.
(5) embodiment:
Technology contents of the present utility model is to comprise infrared head (1), infrared receiving terminal (2), left and right sides support arm (3) (4), alarm (5), rotate and pay (6), table leg (7), desktop (8), height regulating rod (9), wherein, desktop (8) is installed in table leg (7) and goes up a formation table body, the height regulating rod (9) that the scalable height of table top is arranged on the table leg (7), it is characterized in that the lower end of left and right sides support arm (3) (4) is installed on the both sides of a body, the upper end of left and right sides support arm (3) (4) is equipped with infrared head (1) and infrared receiving terminal (2), alarm (5) is installed on the body, and infrared head (1) connects with alarm (5) with lead with infrared receiving terminal (2).
Alarm is equipped with delay circuit and sound circuit in (5).When the distance of eyes and desktop just often, property formation infrared light beam between infrared head (1) and the infrared receiving terminal (2), alarm (5) circuit does not start; When eyes and desktop hypotelorism, owing to cut off infrared light beam, alarm (5) circuit start, the beginning voice reminder is reported to the police; When the misoperation of short time caused infrared light beam to cut off, because the effect of the delay circuit in the alarm (5), alarm was not reported to the police.
The both sides that (6) are installed on a body are paid to rotate in the lower end of left and right sides support arm (3) (4), and the length of left and right sides support arm (3) (4) can telescopic adjustment.The position of infrared light beam can be regulated by the angle and the length variations of left and right sides support arm (3) (4).In the time of need not monitoring, left and right sides support arm (3) (4) can be placed under the desktop.
Table leg (7) is divided into two sections, and insert height regulating rod (9) again by matching in different positions fixing, and promptly scalable desktop (8) highly.
Claims (3)
1, a kind of myopia prevention e-learning table, comprise desktop (8), table leg (7), wherein, desktop (8) is installed in table leg (7) and goes up a formation table body, it is characterized in that the lower end of left and right sides support arm (3) (4) is installed on the both sides of a body, the upper end of left and right sides support arm (3) (4) is equipped with infrared head (1) and infrared receiving terminal (2), and alarm (5) is installed on the body, and infrared head (1) connects with alarm (5) with lead with infrared receiving terminal (2).
2, according to claim 1 described myopia prevention e-learning table, it is characterized in that the both sides that (6) are installed on a body are paid to rotate in the lower end of left and right sides support arm (3) (4), the length of left and right sides support arm (3) (4) can telescopic adjustment.
3, according to claim 1 described myopia prevention e-learning table, it is characterized in that being provided with delay circuit in the alarm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203243 CN2616115Y (en) | 2003-02-12 | 2003-02-12 | Electronic learning desk of preventing myopia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203243 CN2616115Y (en) | 2003-02-12 | 2003-02-12 | Electronic learning desk of preventing myopia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2616115Y true CN2616115Y (en) | 2004-05-19 |
Family
ID=34241244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03203243 Expired - Fee Related CN2616115Y (en) | 2003-02-12 | 2003-02-12 | Electronic learning desk of preventing myopia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2616115Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907897A (en) * | 2011-08-04 | 2013-02-06 | 郑玲 | Desk capable of monitoring sitting postures of students |
| CN103729984A (en) * | 2014-01-13 | 2014-04-16 | 徐扬 | Ultrasonic wave myopia preventing instrument for student |
| CN103729985A (en) * | 2014-01-13 | 2014-04-16 | 翟静妤 | Light-through type myopia-proof instrument for primary and secondary school students |
| CN106448089A (en) * | 2016-10-26 | 2017-02-22 | 皖西学院 | Myopia-preventing photoelectric reminder |
| CN107348673A (en) * | 2016-05-09 | 2017-11-17 | 黄立新 | A kind of novel desk |
| CN107374053A (en) * | 2017-07-19 | 2017-11-24 | 张泽鑫 | A kind of adjustable multifunctional student's desk |
-
2003
- 2003-02-12 CN CN 03203243 patent/CN2616115Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907897A (en) * | 2011-08-04 | 2013-02-06 | 郑玲 | Desk capable of monitoring sitting postures of students |
| CN103729984A (en) * | 2014-01-13 | 2014-04-16 | 徐扬 | Ultrasonic wave myopia preventing instrument for student |
| CN103729985A (en) * | 2014-01-13 | 2014-04-16 | 翟静妤 | Light-through type myopia-proof instrument for primary and secondary school students |
| CN103729985B (en) * | 2014-01-13 | 2016-06-01 | 翟静妤 | Light general formula students in middle and primary schools' Preventing short-sighted instrument |
| CN103729984B (en) * | 2014-01-13 | 2016-06-01 | 翟静妤 | Ultrasonic wave myopia for student instrument |
| CN107348673A (en) * | 2016-05-09 | 2017-11-17 | 黄立新 | A kind of novel desk |
| CN106448089A (en) * | 2016-10-26 | 2017-02-22 | 皖西学院 | Myopia-preventing photoelectric reminder |
| CN107374053A (en) * | 2017-07-19 | 2017-11-24 | 张泽鑫 | A kind of adjustable multifunctional student's desk |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2616115Y (en) | Electronic learning desk of preventing myopia | |
| CN107034807A (en) | A kind of traffic warning board for being easy to adjust | |
| DE102015012309B4 (en) | Operating a motor vehicle in a traffic environment | |
| CN214656535U (en) | Intelligent traffic road condition prompting device | |
| CN2872488Y (en) | Simple reminder against sleepiness | |
| CN109403196A (en) | A kind of novel road construction scoring equipment | |
| CN211007923U (en) | Automatic alarm type electronic fence | |
| CN209325954U (en) | A kind of air-conditioner hose installing component and air conditioner | |
| CN200951237Y (en) | Automatic alarming device for transfusion device | |
| CN214589842U (en) | Spliced switch cabinet acousto-optic alarm signboard | |
| CN214126141U (en) | Highway greening plant trimming device | |
| CN2757998Y (en) | Wire reeling off type welding wire disc on submerged arc welding trolley | |
| CN201348823Y (en) | Automatic warning device | |
| US7554436B2 (en) | Self-contained turn signal indicator unit | |
| CN213868877U (en) | High-altitude edge early warning device for building construction | |
| CN211113278U (en) | Pedestrian crossing warning device | |
| CN2828959Y (en) | Infrared sensing omnibearing vision protector | |
| CN216232206U (en) | New forms of energy bus owner moves speed limiting device | |
| CN2403082Y (en) | Theft alarm | |
| CN215441623U (en) | Highway guardrail with warning function | |
| CN215453177U (en) | Distributed control multimedia sound | |
| CN212589751U (en) | Automatic warning type fishing rod rack | |
| CN212782672U (en) | Novel voice sign board | |
| CN217048443U (en) | Vehicle-mounted safety warning device | |
| CN2891121Y (en) | Magnetic controlled door and window alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |