CN201266430Y - Infrared anti-myopia warning device - Google Patents
Infrared anti-myopia warning device Download PDFInfo
- Publication number
- CN201266430Y CN201266430Y CNU2008202183562U CN200820218356U CN201266430Y CN 201266430 Y CN201266430 Y CN 201266430Y CN U2008202183562 U CNU2008202183562 U CN U2008202183562U CN 200820218356 U CN200820218356 U CN 200820218356U CN 201266430 Y CN201266430 Y CN 201266430Y
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- infrared
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- control circuit
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Abstract
An infrared anti-myopia warning device comprises a transmitting terminal and a receiving terminal. The infrared anti-myopia warning device is technically characterized in that the transmitting terminal comprises an infrared amplifying and transmitting circuit, an infrared control circuit and a transmitting power supply circuit, the output of the transmitting power supply circuit is connected with the input of the infrared control circuit, and the output of the infrared control circuit is connected with the input of the infrared amplifying and transmitting circuit; the receiving terminal comprises an infrared receiving and controlling circuit, an optical alarm circuit and a receiving power supply circuit, the output of the receiving power supply circuit is connected with the input of the infrared receiving and controlling circuit, and the output of the infrared receiving and controlling circuit is connected with the input of the optical alarm circuit. The transmitting terminal of the infrared anti-myopia warning device transmits stable infrared signals so as to cause the receiving terminals to receive the infrared signals within a certain distance, on the contrary, the receiving terminals can not receive the signals, thereby realizing the purpose of leading a user to consciously maintain the proper sight distance by the optical warning; and the device has no external force and does not affect the body of the user. The warning device also has the advantages of simple structure, convenient use, and the like.
Description
Technical field
The utility model relates to the sight protection technical field, specifically a kind of infrared ray myopia prevention alarming device that makes the suitable sighting distance of the conscious maintenance of user by caution.
Background technology
In recent years, along with the progress of development of science and technology, society, people more pay attention to follow-on education and love.But near-sighted this eye disease brings many troubles for the vast teenager and the head of a family.From teenager self is not only health problem, and having defective vision also to influence following entering a higher school, choose a job, even might influence follow-on vision health; And can keep good eyesight in order to make own child for the head of a family, also pay sizable effort, such as: the head of a family supervises child to keep good read-write posture aside when child learns, and causes visual deterioration in order to avoid form bad habit.In order to correct read-write posture, occurred on the market as all kinds of myopia prevention utensils such as posture corrective belt, gesture rectify racks, though these utensils are each tool advantage all, but the structure that has is comparatively complicated, the result of use that has is bad, the teenager's health to being in the stage of growth that has has adverse effect, is exactly to cost an arm and a leg in addition.
Summary of the invention
The purpose of this utility model provides a kind of infrared ray myopia prevention alarming device that makes the suitable sighting distance of the conscious maintenance of user by caution.
The purpose of this utility model is achieved in that it comprises transmitting terminal that places on the desk and the receiving end that is worn on the above body part of user's chest, it is characterized in that: described transmitting terminal includes infrared amplification and radiating circuit, infrared control circuit and emission power circuit, the output of emission power circuit connects the input of infrared control circuit, and the output of infrared control circuit connects infrared amplification and radiating circuit input; Described receiving end includes infrared reception and control circuit, optical alarm circuit and reception power circuit, receives power circuit output and connects infrared reception and control circuit input, and infrared reception and control circuit output connect the optical alarm circuit input.
The utility model places the stable infrared signal of transmitting terminal emission on the desk, make receiving end in certain distance, can receive infrared signal, otherwise exceed this distance and then do not receive infrared signal, thereby realize making the purpose of the suitable sighting distance of the conscious maintenance of user by the light caution, such device does not have the external force effect of essence, to user's not influence of health.Advantages such as simple in structure, convenient use that the utility model also has.
Description of drawings
Fig. 1 is a frame principle figure of the present utility model;
Fig. 2 is the utility model transmitting terminal circuit diagram;
Fig. 3 is the utility model receiving terminal circuit figure.
The utility model is described in further detail by example below in conjunction with accompanying drawing; but following example only is the utility model example wherein; the rights protection scope of not representing the utility model and being limited, rights protection scope of the present utility model is as the criterion with claims.
Embodiment
As Figure 1-3, the structure that the utility model mainly comprises has: it comprises transmitting terminal that places on the desk and the receiving end that is worn on user's spectacle-frame, this transmitting terminal includes infrared amplification and radiating circuit, infrared control circuit and emission power circuit, the output of emission power circuit connects the input of infrared control circuit, and the output of infrared control circuit connects infrared amplification and radiating circuit input; This receiving end includes infrared reception and control circuit, optical alarm circuit and reception power circuit, receives power circuit output and connects infrared reception and control circuit input, and infrared reception and control circuit output connect the optical alarm circuit input.Wherein: infrared amplification and radiating circuit include triode Q1, infrared diode D1, resistance R 3, adjustable resistance R5, its annexation is resistance R 3 one termination single-chip microcomputer UI output terminals 8 pin, the base stage of another termination triode Q1, the grounded emitter of triode Q1, the collector of the termination triode Q1 of infrared diode D1, other end series connection adjustable resistance R5; Described infrared control circuit includes single-chip microcomputer U1, and switch S 1, resistance R 1, its annexation are output terminal 9 pin of the termination single-chip microcomputer U1 of S1, other end ground connection, and a termination single-chip microcomputer U1 output terminal 7 pin of resistance R 1, the other end connects single-chip microcomputer U1 input end 4 pin; The emission power circuit includes power supply BT, voltage stabilizing chip U2, capacitor C 1, C2, C3, its annexation is that 3 pin of voltage stabilizing chip U2 and a termination of capacitor C 1 import end, the other end ground connection of capacitor C 1, capacitor C 1 and power supply BT parallel connection, 2 pin of a termination voltage stabilizing chip U2 after capacitor C 2 and the C3 parallel connection, 1 pin of another termination voltage stabilizing chip U2 is connected with the mid point of input 4 pin of single-chip microcomputer U1 and adjustable resistance R5 and resistance R 1; Infrared reception and control circuit include single-chip microcomputer U3, receive a Q2, resistance R 2, R4, capacitor C 4, its annexation is a termination single-chip microcomputer U3 output terminal 7 pin of R2, and the other end connects single-chip microcomputer U3 input end 4 pin, and output terminal 1 pin of Q2 connects input end 10 pin of U1, public termination Q1 input end 3 pin after resistance R 4 and capacitor C 4 series connection, the 2 pin ground connection of another termination of capacitor C 4 and a reception Q2; Optical alarm circuit includes light emitting diode D2 and resistance R 6, and its annexation is output terminal 8 pin of a termination single-chip microcomputer U3 of resistance R 6, the end of other end sending and receiving optical diode D2, the other end ground connection of light emitting diode D2; Receive power circuit and include power supply DC, capacitor C 5, C6, its annexation is the positive terminal of a termination power DC after C5 and the C6 parallel connection, and the mid point of single-chip microcomputer U3 input end 4 pin and resistance R 2 is the positive terminal of power supply DC also, and the other end connects extreme 11 pin of single-chip microcomputer U3 power-after C5 and the C6 parallel connection.
During use, infrared signal intensity can be regulated by adjustable resistance R5, realizes the control of alarm distance, and such design mainly is for age bracket and the existing eyesight status of considering the user.When sighting distance was less than or equal to normal line of sight, the luminous prompting of light emitting diode D2 user noted the read-write posture of oneself; When sighting distance overgauge sighting distance, receiving end does not receive infrared signal, and light emitting diode D2 is light-emitting caution not then.
Claims (2)
1, a kind of infrared ray myopia prevention alarming device, it comprises the transmitting terminal that places on the desk and is worn on the receiving end of the above body part of user's chest, it is characterized in that: described transmitting terminal includes infrared amplification and radiating circuit, infrared control circuit and emission power circuit, the output of emission power circuit connects the input of infrared control circuit, and the output of infrared control circuit connects infrared amplification and radiating circuit input; Described receiving end includes infrared reception and control circuit, optical alarm circuit and reception power circuit, receives power circuit output and connects infrared reception and control circuit input, and infrared reception and control circuit output connect the optical alarm circuit input.
2, infrared ray myopia prevention alarming device according to claim 1, it is characterized in that: described infrared amplification and radiating circuit include triode Q1, infrared diode D1, resistance R 3, adjustable resistance R5; Described infrared control circuit includes single-chip microcomputer U1, switch S 1, resistance R 1; Described emission power circuit includes power supply BT, voltage stabilizing chip U2, capacitor C 1, C2, C3; Described infrared reception and control circuit include single-chip microcomputer U3, receive a Q2, resistance R 2, R4, capacitor C 4; Described optical alarm circuit includes light emitting diode D2 and resistance R 6; Described reception power circuit includes power supply DC, capacitor C 5, C6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202183562U CN201266430Y (en) | 2008-10-07 | 2008-10-07 | Infrared anti-myopia warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202183562U CN201266430Y (en) | 2008-10-07 | 2008-10-07 | Infrared anti-myopia warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266430Y true CN201266430Y (en) | 2009-07-01 |
Family
ID=40832804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202183562U Expired - Fee Related CN201266430Y (en) | 2008-10-07 | 2008-10-07 | Infrared anti-myopia warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266430Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973276A (en) * | 2012-12-20 | 2013-03-20 | 毛毅翔 | Device for preventing myopia and cervical spondylosis |
| CN110045434A (en) * | 2019-04-30 | 2019-07-23 | 安徽汉云智能制造有限责任公司 | A kind of infrared shooting device |
-
2008
- 2008-10-07 CN CNU2008202183562U patent/CN201266430Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973276A (en) * | 2012-12-20 | 2013-03-20 | 毛毅翔 | Device for preventing myopia and cervical spondylosis |
| CN102973276B (en) * | 2012-12-20 | 2014-05-07 | 毛毅翔 | Device for preventing myopia and cervical spondylosis |
| CN110045434A (en) * | 2019-04-30 | 2019-07-23 | 安徽汉云智能制造有限责任公司 | A kind of infrared shooting device |
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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 |
Granted publication date: 20090701 Termination date: 20171007 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |