CN202091978U - Myopia-preventing warning lamp - Google Patents
Myopia-preventing warning lamp Download PDFInfo
- Publication number
- CN202091978U CN202091978U CN2011201779823U CN201120177982U CN202091978U CN 202091978 U CN202091978 U CN 202091978U CN 2011201779823 U CN2011201779823 U CN 2011201779823U CN 201120177982 U CN201120177982 U CN 201120177982U CN 202091978 U CN202091978 U CN 202091978U
- Authority
- CN
- China
- Prior art keywords
- myopia
- battery
- knife switch
- preventing
- warning lamp
- 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
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a device for preventing myopia of students, in particular to a myopia-preventing warning lamp. The myopia-preventing warning lamp comprises a battery, a lamp bulb connected with the battery and a knife switch connected between the battery and the lamp bulb and is characterized in that the knife switch is fixed on the front lateral side of a desk, and the length of the knife switch is 10 cm. The myopia-preventing warning lamp has the advantages of being simple in structure, easy to manufacture, practical and convenient to adjust distance, capable of helping teenaged students to correct postures during reading and writing, controlling the distance between eyes and books when the teenaged students are writing and preventing the myopia and beneficial to healthy growth of the students.
Description
(1) technical field
The utility model relates to a kind of device that prevents myopia of student, particularly a kind of myopia prevention warning light.
(2) background technology
The teenager is flower, the sun at eight or nine o'clock of motherland, and teen-age growth is concerning the future of motherland, and we should give more protection.Yet, now along with growth in the living standard, only-child's increase, a lot of students have formed a lot of defects.Such as, in the time of at school, most student has the custom of abnormal sitting posture, will be easy to cause myopia like this, for rise to grow up and grow very unfavorable.At present, depend the very difficult assurance of own willpower alone and keep correct sitting posture always, need a kind of device prompting or supervise them to keep correct sitting posture.A kind of myopia prevention warning light designs in order to address this problem just.
(3) summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, provide a kind of practicality reliable, stablize durable myopia prevention warning light.
The utility model is achieved by the following technical solution:
A kind of myopia prevention warning light, comprise battery, connect battery bulb, be connected in the knife switch between battery and the bulb, it is characterized in that: described knife switch is fixedly installed in the desk leading flank, and knife switch length is 10CM.
The utility model is for guaranteeing its stability: described battery is positioned in the battery case.
The beneficial effects of the utility model are: simple in structure, to make easily, and roll adjustment is practical and convenient, the posture in the time of helping adolescent student to rectify reading and writing, the distance when controlling them and writing between eyes and the books prevents myopia, helps growing up healthy and sound of student.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing is a structural representation of the present utility model;
Among the figure, 1 battery, 2 bulbs, 3 knife switches, 4 desks, 5 battery cases.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises battery 1, connects the bulb 2 of battery 1, is connected in the knife switch 3 between battery 1 and the bulb 2, and it is characterized in that: described knife switch 3 is fixedly installed in desk 4 leading flanks, and knife switch 3 length are 10CM.The utility model is for guaranteeing its stability: described battery 1 is positioned in the battery case 5.
Adopt myopia prevention warning light of the present utility model, when sitting posture was correct, the chest was 10CM apart from the distance of desk 4, can not run into knife switch 3, and circuit can be not closed.When abnormal sitting posture was true, body forward was inclined, and the distance of chest and desk 4 is dwindled, and will run into knife switch 3 like this, and the chest can be depressed knife switch 3 pressure of knife switch 3, thus the circuit connection, and bulb 2 is bright, plays the alarm effect.
Claims (2)
1. myopia prevention warning light, comprise battery (1), connect battery (1) bulb (2), be connected in the knife switch (3) between battery (1) and the bulb (2), it is characterized in that: described knife switch (3) is fixedly installed in desk (4) leading flank, and the length of knife switch (3) is 10CM.
2. myopia prevention warning light according to claim 1 is characterized in that: described battery (2) is positioned in the battery case (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201779823U CN202091978U (en) | 2011-05-31 | 2011-05-31 | Myopia-preventing warning lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201779823U CN202091978U (en) | 2011-05-31 | 2011-05-31 | Myopia-preventing warning lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091978U true CN202091978U (en) | 2011-12-28 |
Family
ID=45367045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201779823U Expired - Fee Related CN202091978U (en) | 2011-05-31 | 2011-05-31 | Myopia-preventing warning lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091978U (en) |
-
2011
- 2011-05-31 CN CN2011201779823U patent/CN202091978U/en not_active Expired - Fee Related
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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: 20111228 Termination date: 20120531 |