CN203179245U - Eye-to-table distance rectifier - Google Patents
Eye-to-table distance rectifier Download PDFInfo
- Publication number
- CN203179245U CN203179245U CN 201320188852 CN201320188852U CN203179245U CN 203179245 U CN203179245 U CN 203179245U CN 201320188852 CN201320188852 CN 201320188852 CN 201320188852 U CN201320188852 U CN 201320188852U CN 203179245 U CN203179245 U CN 203179245U
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- power supply
- distance
- ultrasonic sensor
- base
- display screen
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses an eye-to-table distance rectifier. The eye-to-table distance rectifier includes an infrared sensor used for detecting people in a range of 0 to 1 mm and outputting detection results; an ultrasonic wave sensor used for obtaining a distance between a user and the ultrasonic wave sensor and outputting obtained results; press keys used for setting a threshold value of the distance between the ultrasonic wave sensor and the user and outputting the threshold value to a single-chip microprocessor; a storage; a display screen; a power source I used for supplying power for the infrared sensor and the single-chip microprocessor; the single-chip microprocessor connected with the press keys, the storage, the display screen, the infrared sensor and the ultrasonic wave sensor respectively; a sounder; and a power source II used for supplying power for the press keys, the display screen, the ultrasonic wave sensor and the sounder. The eye-to-table distance rectifier provided by the utility model is simple in structure, energy-saving and practical, high in automation degree and good in human-orientation design, so that the eye-to-table distance rectifier is convenient for production and is also suitable for wide promotion since the cost is very low.
Description
Technical field
The utility model relates to a kind of reading/writing distance correcting instrument.
Background technology
Present teen-age near-sighted number increases year by year, causes the reason of myopia except schoolwork burden is heavy, also with teen-age read-write custom much relations is arranged, and long-time closely read-write is a very important reason that causes adolescent myopia.There is following shortcoming in the device of correcting for reading/writing distance of the prior art: complex structure, carry inconvenience; Power consumption is higher, needs external power supply, has limited range of application; Can not open automatically, and then can not realize using constantly and correcting; Reading/writing distance is non-adjustable, hommization difference etc.
Summary of the invention
The utility model is at the proposition of above problem, and develops a kind of reading/writing distance correcting instrument of simple in structure, energy-conservation practicality.
Technological means of the present utility model is as follows:
A kind of reading/writing distance correcting instrument comprises:
Be used for surveying the infrared sensor that in the 1m scope whether the people is arranged and export result of detection;
Be used for obtaining the distance between user and the ultrasonic sensor and export the ultrasonic sensor that obtains the result;
Be used for that the distance threshold between ultrasonic sensor and the user is set and export to the button of single-chip microcomputer;
Be used for described distance threshold is carried out memory storing;
For the display screen that described distance threshold is shown;
Be used for power supply I that infrared sensor and single-chip microcomputer are powered;
Connect button, storer, display screen, infrared sensor, ultrasonic sensor respectively, be used for the distance threshold that button transmits is stored to storer and controls display screen showing this distance threshold, people's result of detection control power supply II opening and closing are arranged in the 1m scope according to infrared sensor output, the size of the user that the judgement ultrasonic sensor obtains and the distance threshold of the distance between this ultrasonic sensor and storage, and control acoustical generator according to the described distance that ultrasonic sensor obtains less than the judged result of distance threshold and point out the single-chip microcomputer of reporting to the police;
Be used for pointing out according to the control signal that single-chip microcomputer transmits the acoustical generator of warning;
Be used for the power supply II to button, storer, display screen, ultrasonic sensor and acoustical generator power supply;
Also comprise base and the loam cake that is coupling with base; Described storer, power supply I, single-chip microcomputer and power supply II are encapsulated in the base; Described infrared sensor, ultrasonic sensor and acoustical generator are arranged on the base; Described button and display screen are installed on the upper surface of loam cake;
Further, described infrared sensor and ultrasonic sensor place in the storage tank that base is provided with;
Further, described acoustical generator comprises the loudspeaker that is arranged on base upper surface and the earphone that is connected with the earphone interface that has on the base side wall;
Further, described power supply I and power supply II are battery;
Further, also be provided with on the described base side wall for the charging inlet of giving the charging of power supply I and power supply II.
Owing to adopted technique scheme, the reading/writing distance correcting instrument that the utility model provides, by adopting the power supply I, the power supply II is powered respectively, when in infrared sensor detects the 1m scope, the people being arranged, single-chip microcomputer is controlled the power supply II again and is opened, at this moment ultrasonic sensor obtains the distance between user and this ultrasonic sensor again, and then realized when having the people to exist in the certain limit around the utility model, be that the reading/writing distance of core obtains and reminds ingredient just to start work with the ultrasonic sensor, in infrared sensor detects the 1m scope nobody the time, Single-chip Controlling power supply II is closed, not only reduced the real-time power consumption of opening of the device for the reading/writing distance rectification of the prior art, and in the time of can realizing in infrared sensor detects the 1m scope, the people being arranged, the utility model is started working automatically, avoided the device of correcting for reading/writing distance of the prior art to need the user manually opened, the problem that often occurs that the user forgets opening device and can not correct reading/writing distance constantly, thus teen-age good read-write custom can't be guaranteed; For above-mentioned reasons, the utility model power consumption is less, and then adopt battery as power supply, and can use the utility model whenever and wherever possible like this, having solved the device of correcting for reading/writing distance of the prior art generally needs the awkward problem of external power supply; The utility model is arranged on single-chip microcomputer, storer, infrared sensor and ultrasonic sensor etc. in the base simultaneously, when button and display screen place with base be coupling on cover, distribute rationally, namely be convenient to the user and set suitable reading/writing distance, also be conducive to the detection of infrared sensor and ultrasonic sensor and obtain data, simple in structure, easy to carry; The described distance of obtaining when ultrasonic sensor during less than the distance threshold that arranges the prompting of monolithic processor controlled sounding device report to the police, remind the user to adjust current reading/writing distance, correct the read-write custom of oneself, thereby effectively prevent the generation of adolescent myopia, the utility model practicality simple in structure, energy-conservation, automaticity height, hommization are good, not only be convenient to produce, and cost is very cheap is suitable for extensive popularization.
Description of drawings
Fig. 1, Fig. 2 are the structural representations of correcting instrument described in the utility model;
Fig. 3 is the structured flowchart of correcting instrument described in the utility model.
Among the figure: 1, loudspeaker, 2, base, 3, infrared sensor, 4, ultrasonic sensor, 5, the power supply I, 6, storer, 7, the power supply II, 8, earphone interface, 9, charging inlet, 10, single-chip microcomputer, 11, loam cake, 12, button, 13, display screen, 14, acoustical generator.
Embodiment
As Fig. 1, Fig. 2 and a kind of reading/writing distance correcting instrument shown in Figure 3, comprising: be used for surveying the infrared sensor 3 that in the 1m scope whether the people is arranged and export result of detection; Be used for obtaining the distance between user and the ultrasonic sensor 4 and export the ultrasonic sensor 4 that obtains the result; Be used for that the distance threshold between ultrasonic sensor 4 and the user is set and export to the button 12 of single-chip microcomputer 10; Be used for described distance threshold is carried out memory storing 6; For the display screen 13 that described distance threshold is shown; Be used for power supply I 5 that infrared sensor 3 and single-chip microcomputer 10 are powered; Connect button 12 respectively, storer 6, display screen 13, infrared sensor 3, ultrasonic sensor 4, be used for the distance threshold that button 12 transmits being stored to storer 6 and controlling display screen 13 these distance thresholds of demonstration, people's result of detection control power supply II 7 opening and closing are arranged in the 1m scope according to infrared sensor 3 outputs, the size of the user that judgement ultrasonic sensor 4 obtains and the distance threshold of the distance between this ultrasonic sensor 4 and storage, and control acoustical generator 14 according to the described distance that ultrasonic sensor 4 obtains less than the judged result of distance threshold and point out the single-chip microcomputer 10 of reporting to the police; Be used for pointing out according to the control signal that single-chip microcomputer 10 transmits the acoustical generator 14 of warning; Be used for the power supply II 7 to button 12, storer 6, display screen 13, ultrasonic sensor 4 and acoustical generator 14 power supplies; Also comprise base 2 and the loam cake 11 that is coupling with base 2; Described storer 6, power supply I 5, single-chip microcomputer 10 and power supply II 7 are encapsulated in the base 2; Described infrared sensor 3, ultrasonic sensor 4 and acoustical generator 14 are arranged on the base 2; Described button 12 and display screen 13 are installed on the upper surface of loam cake 11; Further, described infrared sensor 3 and ultrasonic sensor 4 place in the storage tank that base 2 is provided with; Described acoustical generator 14 comprises the loudspeaker 1 that is arranged on base 2 upper surfaces and the earphone that is connected with the earphone interface 8 that has on base 2 sidewalls; Described power supply I 5 and power supply II 7 are battery; Also be provided with on described base 2 sidewalls for the charging inlet 9 of giving power supply I 5 and 7 chargings of power supply II.
The reading/writing distance correcting instrument that the utility model provides, by adopting the power supply I, the power supply II is powered respectively, when in infrared sensor detects the 1m scope, the people being arranged, single-chip microcomputer is controlled the power supply II again and is opened, at this moment ultrasonic sensor obtains the distance between user and this ultrasonic sensor again, and then realized when having the people to exist in the certain limit around the utility model, be that the reading/writing distance of core obtains and reminds ingredient just to start work with the ultrasonic sensor, in infrared sensor detects the 1m scope nobody the time, Single-chip Controlling power supply II is closed, not only reduced the real-time power consumption of opening of the device for the reading/writing distance rectification of the prior art, and in the time of can realizing in infrared sensor detects the 1m scope, the people being arranged, the utility model is started working automatically, avoided the device of correcting for reading/writing distance of the prior art to need the user manually opened, the problem that often occurs that the user forgets opening device and can not correct reading/writing distance constantly, thus teen-age good read-write custom can't be guaranteed; For above-mentioned reasons, the utility model power consumption is less, and then adopt battery as power supply, and can use the utility model whenever and wherever possible like this, having solved the device of correcting for reading/writing distance of the prior art generally needs the awkward problem of external power supply; The utility model is arranged on single-chip microcomputer, storer, infrared sensor and ultrasonic sensor etc. in the base simultaneously, when button and display screen place with base be coupling on cover, distribute rationally, namely be convenient to the user and set suitable reading/writing distance, also be conducive to the detection of infrared sensor and ultrasonic sensor and obtain data, simple in structure, easy to carry; The described distance of obtaining when ultrasonic sensor during less than the distance threshold that arranges the prompting of monolithic processor controlled sounding device report to the police, described acoustical generator comprises loudspeaker and earphone, can switch different acoustical generators in different environments for use, remind the user to adjust current reading/writing distance, correct the read-write custom of oneself, thereby effectively prevent the generation of adolescent myopia, the utility model is simple in structure, energy-conservation practicality, the automaticity height, hommization is good, when using the utility model, only need to place the start of user the place ahead to get final product this correcting instrument, the utility model power consumption is very low, and without external power supply, No. 5 batteries of 3 joints are enough to use half a year, this correcting instrument does not have radiation harmless, not only be convenient to produce, and cost is very cheap is suitable for extensive popularization, has vast market prospect and good social benefit.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.
Claims (5)
1. reading/writing distance correcting instrument is characterized in that comprising:
Be used for surveying the infrared sensor (3) that in the 1m scope whether the people is arranged and export result of detection;
Be used for obtaining the distance between user and the ultrasonic sensor (4) and export the ultrasonic sensor (4) that obtains the result;
Be used for the distance threshold between ultrasonic sensor (4) and the user being set and exporting to the button (12) of single-chip microcomputer (10);
Be used for described distance threshold is carried out memory storing (6);
For the display screen (13) that described distance threshold is shown;
Be used for power supply I (5) that infrared sensor (3) and single-chip microcomputer (10) are powered;
Connect button (12) respectively, storer (6), display screen (13), infrared sensor (3), ultrasonic sensor (4), be used for the distance threshold that button (12) transmits is stored to storer (6) and controls display screen (13) showing this distance threshold, people's result of detection control power supply II (7) opening and closing are arranged in the 1m scope according to infrared sensor (3) output, the size of the user that judgement ultrasonic sensor (4) obtains and the distance threshold of the distance between this ultrasonic sensor (4) and storage, and control acoustical generator (14) according to the described distance that ultrasonic sensor (4) obtains less than the judged result of distance threshold and point out the single-chip microcomputer (10) of reporting to the police;
Be used for pointing out according to the control signal that single-chip microcomputer (10) transmits the acoustical generator (14) of warning;
Be used for the power supply II (7) to button (12), storer (6), display screen (13), ultrasonic sensor (4) and acoustical generator (14) power supply;
Also comprise base (2) and the loam cake (11) that is coupling with base (2); Described storer (6), power supply I (5), single-chip microcomputer (10) and power supply II (7) are encapsulated in the base (2); Described infrared sensor (3), ultrasonic sensor (4) and acoustical generator (14) are arranged on the base (2); Described button (12) and display screen (13) are installed on the upper surface of loam cake (11).
2. a kind of reading/writing distance correcting instrument according to claim 1 is characterized in that described infrared sensor (3) and ultrasonic sensor (4) place in the storage tank that base (2) is provided with.
3. a kind of reading/writing distance correcting instrument according to claim 1 is characterized in that described acoustical generator (14) comprises the loudspeaker (1) that is arranged on base (2) upper surface and the earphone that is connected with the earphone interface (8) that has on base (2) sidewall.
4. a kind of reading/writing distance correcting instrument according to claim 1 is characterized in that described power supply I (5) and power supply II (7) are battery.
5. a kind of reading/writing distance correcting instrument according to claim 1 is characterized in that also being provided with on described base (2) sidewall charging inlet (9) for giving the charging of power supply I (5) and power supply II (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188852 CN203179245U (en) | 2013-04-13 | 2013-04-13 | Eye-to-table distance rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188852 CN203179245U (en) | 2013-04-13 | 2013-04-13 | Eye-to-table distance rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203179245U true CN203179245U (en) | 2013-09-04 |
Family
ID=49075914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320188852 Expired - Fee Related CN203179245U (en) | 2013-04-13 | 2013-04-13 | Eye-to-table distance rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203179245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236139A (en) * | 2013-04-13 | 2013-08-07 | 大连民族学院 | Read-write distance correcting device and operating method thereof |
-
2013
- 2013-04-13 CN CN 201320188852 patent/CN203179245U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236139A (en) * | 2013-04-13 | 2013-08-07 | 大连民族学院 | Read-write distance correcting device and operating method thereof |
| CN103236139B (en) * | 2013-04-13 | 2016-02-17 | 大连民族学院 | The method of work of reading/writing distance correcting instrument |
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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: 20130904 Termination date: 20140413 |