CN202661073U - Light control compass for blind person - Google Patents
Light control compass for blind person Download PDFInfo
- Publication number
- CN202661073U CN202661073U CN 201220300652 CN201220300652U CN202661073U CN 202661073 U CN202661073 U CN 202661073U CN 201220300652 CN201220300652 CN 201220300652 CN 201220300652 U CN201220300652 U CN 201220300652U CN 202661073 U CN202661073 U CN 202661073U
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- CN
- China
- Prior art keywords
- compass
- light
- north
- optical sensor
- blind person
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- Expired - Fee Related
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Abstract
The utility model discloses a light control compass for a blind person. The light control compass for the blind person comprises a compass shell, a compass body is arranged in the compass shell, and a light-control sound circuit, a power supply, a speaker, a button switch and an optical sensor are arranged in the compass shell. The optical sensor is arranged at the due northern end of the compass body, the length of the north pointing end of the compass body is longer than the length of the south pointing end of the compass body, the length of the north pointing end of the compass body is longer than the distance between the optical sensor and the connection position of the north pointing end and the south pointing end of the compass body, and the length of the south pointing end of the compass body is shorter than the distance between the optical sensor and the connection position of the north pointing end and the south pointing end of the compass body. The optical sensor is connected with the light-control sound circuit, the light-control sound circuit is connected with the speaker, the speaker is connected with the button switch, and the button switch is connected with the power supply. The light control compass for the blind person is simple in structure, convenient to use and capable of indicating the north-south direction for the blind person, and the blind person can determine the positions of other directions according to the obtained directions.
Description
Technical field
The utility model relates to a kind of compass, particularly a kind of light-operated Compass for blind person.
Background technology
Compass is a kind of simple instrument of differentiating the orientation; Claim again north arrow, the predecessor of compass is the compass in ancient China of one of ancient Chinese four large utility models; Chief component is one and is contained in the needle that can freely rotate on the axle.Needle can remain on the tangential direction of magnetic meridian under geomagnetic field action; The geographical arctic is pointed in the arctic of needle, utilizes this performance to take one's bearings; Be usually used in the aspects such as navigation, geodetic surveying, travelling and military affairs; In addition band's title and movie name of the same name.
Compass magnetic field force induced effect in the magnetic field of the earth is so can refer to north by an end guide one end.
Compass is an important navigational tool, even also can use in GPS; Digital compass is pin type compass or the compass compass of replace old, adopts solid-state element because digital compass is complete, can also be simply and other electronic system interfaces.
Compass is applied on the aspects, particularly navigation such as military affairs, production, daily life, topographical surveying soon once utility model; The application of compass in navigation has a gradually evolution; " the duckweed continent can be talked " the middle note that becomes the book age slightly to be later than " mengxibitan " has; The boat teacher knows geography, then sees star night, then sees day daytime, the shady compass of then seeing; This is the earliest record of guide for use pin on world's history of marine navigation; Point out in the literary composition that guide for use pin just when the sun, the moon and the stars be can not see only when visible compass has just been brought into use, used also unskilled at that time.After twenties years, Xu Jing " declare and give and make Koryo figure warp " also has similar record; The thought TV star struggles against front advanced in years, if the dark and gloomy guide float needle of then using, with principle north and south; Arrived the Yuan Dynasty, compass one jumps and has formed the most important instrument navigated in the sea; No matter fine Yintu(K19) has navigated with compass round the clock; But also work out out the use dead reckoning, the line graph in difference navigation compass pin position, place is called " pin road "; What pin position direction shipping agency adopts somewhither, and all sign is clear one by one in one tunnel course line, as the foundation of navigation.
The blind person can't perception four corners of the world direction because of vision disorder, can bring inconvenience to its daily life, and existing compass does not use for the blind person.
The utility model content
The technical problems to be solved in the utility model provides and a kind ofly can be a kind of light-operated Compass for blind person of blind person's direction indication.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of light-operated Compass for blind person comprises the compass shell, in the described compass shell compass is set; Be provided with light-operated sound circuit, power supply, loudspeaker, pushbutton switch, optical sensor in the described compass shell; Described optical sensor is placed in the positive the North of compass place, described compass refers to that the length of the North is greater than the length of south seeking pole, the length that described compass refers to the North refers to the distance of the North and south seeking pole junction greater than optical sensor to compass, and the length of described compass south seeking pole refers to the distance of the North and south seeking pole junction to compass less than optical sensor; Described optical sensor is connected with light-operated sound circuit, and described light-operated sound circuit is connected with loudspeaker, and described loudspeaker is connected with pushbutton switch, and described pushbutton switch is connected with power supply.
Preferably, described pushbutton switch is settled on the outside surface of compass shell.
Preferably, described compass shell is provided with the speaker voice giving hole.
By technique scheme, the beneficial effects of the utility model are:
The utility model arranges light-operated sound circuit, power supply, loudspeaker, pushbutton switch, optical sensor at compass, it in use, hand takes the compass that keeps flat (to be close to box limit south seeking pole) and Push switch to the front, the slow-speed body, when referring to that the North needle point arrives direct north, loudspeaker sound production prompt user is at this moment just towards direct north; Because the pointer south is short, stops that less than light beam sound circuit can't be connected, just can not judge by accident yet.
The utility model is simple in structure, easy to use, can indicate North and South direction for the blind person, and by gained direction judge the position of other direction.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model structural representation.
Numeral and the represented corresponding component title of letter among the figure:
10, compass shell 20, compass 30, pushbutton switch 40, optical sensor 50, speaker voice giving hole
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to shown in Figure 1, a kind of light-operated Compass for blind person of the utility model comprises compass shell 10, the compass shell 10 interior compasses 20 that arrange; Be provided with light-operated sound circuit, power supply, loudspeaker, pushbutton switch 30, optical sensor 40 in the compass shell 10; Optical sensor 40 is placed in compass 20 positive the North places, the length of compass 20 finger the Norths is greater than the length of south seeking pole, the length of compass 20 finger the Norths is greater than the distance of optical sensor 40 to compass 20 finger the Norths and south seeking pole junction, and the length of compass 20 south seeking poles is less than the distance of optical sensor 40 to compass 20 finger the Norths and south seeking pole junction; Optical sensor 40 is connected with light-operated sound circuit, and light-operated sound circuit is connected with loudspeaker, and loudspeaker is connected with pushbutton switch 30, and pushbutton switch 30 is connected with power supply.
The utility model pushbutton switch 30 is settled on the outside surface of compass shell 10, and compass shell 10 is provided with speaker voice giving hole 50.
Principle of work of the present utility model is as follows:
The switch 30 of releasing the button, compass shell 10 interior light-operated sound circuits are namely started working, and optical sensor is subject to not sounding of directional light sources irradiation sound circuit; When the finger the North of compass 20 went to this place, optical sensor was not received light because of illumination by resistance, and just auto exciting sounding sound circuit working makes the loudspeaker sound production prompt.
When the utility model used, hand took the compass that keeps flat (to be close to box limit south seeking pole) and Push switch 30 to the front, the slow-speed body, and when the finger the North needle point of compass 20 arrived direct north, loudspeaker sound production prompt user was at this moment just towards direct north; Because the south seeking pole of compass 20 is short, stops that less than light beam sound circuit can't be connected, just can not judge by accident yet; The blind person can judge according to the position in the known north position of other direction.
The utility model is simple in structure, easy to use, can offer convenience for blind person's life.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a light-operated Compass for blind person comprises the compass shell, in the described compass shell compass is set; It is characterized in that; Be provided with light-operated sound circuit, power supply, loudspeaker, pushbutton switch, optical sensor in the described compass shell; Described optical sensor is placed in the positive the North of compass place, described compass refers to that the length of the North is greater than the length of south seeking pole, the length that described compass refers to the North refers to the distance of the North and south seeking pole junction greater than optical sensor to compass, and the length of described compass south seeking pole refers to the distance of the North and south seeking pole junction to compass less than optical sensor; Described optical sensor is connected with light-operated sound circuit, and described light-operated sound circuit is connected with loudspeaker, and described loudspeaker is connected with pushbutton switch, and described pushbutton switch is connected with power supply.
2. a kind of light-operated Compass for blind person according to claim 1 is characterized in that: on the outside surface of described pushbutton switch arrangement compass shell.
3. a kind of light-operated Compass for blind person according to claim 1, it is characterized in that: described compass shell is provided with the speaker voice giving hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300652 CN202661073U (en) | 2012-06-26 | 2012-06-26 | Light control compass for blind person |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300652 CN202661073U (en) | 2012-06-26 | 2012-06-26 | Light control compass for blind person |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661073U true CN202661073U (en) | 2013-01-09 |
Family
ID=47455976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300652 Expired - Fee Related CN202661073U (en) | 2012-06-26 | 2012-06-26 | Light control compass for blind person |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661073U (en) |
-
2012
- 2012-06-26 CN CN 201220300652 patent/CN202661073U/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: 20130109 Termination date: 20130626 |