CN104914274A - Acceleration sensor with double precision - Google Patents
Acceleration sensor with double precision Download PDFInfo
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- CN104914274A CN104914274A CN201510304723.5A CN201510304723A CN104914274A CN 104914274 A CN104914274 A CN 104914274A CN 201510304723 A CN201510304723 A CN 201510304723A CN 104914274 A CN104914274 A CN 104914274A
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- shelter
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- 230000001133 acceleration Effects 0.000 title claims abstract description 54
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000004020 luminiscence type Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
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Abstract
The invention provides an acceleration sensor with double precision, which comprises a light shielding object, a transverse light path and a longitudinal light path, wherein the transverse light path intercrosses with the longitudinal light path vertically to form a light surface, each of the transverse light path and the longitudinal light path comprises more than two parallel and equidistant light paths, each light path comprises a light emitting unit and a corresponding photosensitive unit, each photosensitive unit is used for detecting shielding condition of the corresponding light path, the light shielding object changes its position in the light surface and shields different light paths when acceleration of the light shielding object in different directions of the acceleration sensor changes, and the photosensitive units are used for transmitting acceleration data. The acceleration sensor is simple in structure and low in cost, and has two kinds of different precision.
Description
Technical field
The present invention relates to acceleration detection technical field, particularly relate to a kind of acceleration transducer with double precision.
Background technology
Existing electron acceleration sensor construction is complicated, cost is very high, these acceleration sensor accuracy are all fixing, Adjustment precision will carry out very large improvement, the acceleration transducer of different accuracy is needed to can not find appropriate acceleration transducer often user, can only use general acceleration transducer, cause cost very high, the precision of these acceleration transducers is all fixing simultaneously.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of acceleration transducer with double precision, solves the problem of existing acceleration sensor structure complexity, the problem that precision is single.
The present invention is achieved in that
A kind of acceleration transducer with double precision, comprise light shelter, lateral light paths and longitudinal light path, lateral light paths and longitudinal light path square crossing form light face, lateral light paths and longitudinal light path all include the parallel and equidistant light path of two or more, adjacent optical path spacing in lateral light paths equals the adjacent optical path spacing in longitudinal light path, light path includes luminescence unit and corresponding photosensitive unit, photosensitive unit is for detecting the circumstance of occlusion of light path, described smooth shelter is when the acceleration of the different directions of acceleration transducer changes, light shelter changes its position in light face and blocks different light paths, described photosensitive unit is for transmitting acceleration information, light shelter is the spheroid that diameter is greater than adjacent optical path spacing, the side in described light face has first spherical structure of the centre of sphere at light face opposite side, described smooth shelter is placed in described light face and is placed on the first spherical structure, the opposite side in described light face has second spherical structure of the centre of sphere in side, light face, the curvature of described first spherical structure is different from the curvature of the second spherical structure.
Further, described luminescence unit is light emitting diode.
Further, described photosensitive unit is photoresistance.
Further, described luminescence unit has glow frequency, and described photosensitive unit detects described glow frequency then output detections signal.
Further, described glow frequency is 38KHZ.
Tool of the present invention has the following advantages: the simple cost of structure is low, can customize the acceleration transducer of different accuracy easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to Fig. 1, the invention provides a kind of acceleration transducer with double precision, comprise light shelter 1, lateral light paths 2 and longitudinal light path 3, lateral light paths 2 and longitudinal light path 3 square crossing form light face, lateral light paths 2 all includes the parallel and equidistant light path of two or more with longitudinal light path 3, adjacent optical path spacing in lateral light paths equals the adjacent optical path spacing in longitudinal light path, light path includes luminescence unit and corresponding photosensitive unit, photosensitive unit is for detecting the circumstance of occlusion of light path, described smooth shelter is when the acceleration of the different directions of acceleration transducer changes, light shelter changes its position in light face and blocks different light paths, described photosensitive unit is for transmitting acceleration information.Light shelter is the spheroid that diameter is greater than adjacent optical path spacing, the side in described light face has first spherical structure 4 of the centre of sphere at light face opposite side, namely the concave surface of the first spherical structure refers to that phototropic face or perhaps light face are in the concave surface of the first spherical structure, and described smooth shelter is placed in described light face and is placed on the first spherical structure.The centre of sphere of the first spherical structure is on the central axis in light face.Like this, as long as there is acceleration, spherical smooth shelter will along on the sphere of the first spherical structure away from central motion, acceleration is larger, spherical smooth shelter motion far away, then can obtain acceleration value by detection photosensitive unit.And, the opposite side in described light face has second spherical structure 5 of the centre of sphere in side, light face, namely the first spherical structure has the second symmetrical with it spherical structure relative to light mask, second spherical structure can avoid spherical smooth shelter to run out of, and acceleration transducer can be used in front reversely.In the embodiment that the curvature of the first spherical structure is different from the curvature of the second spherical structure, the distance that different curvature makes light shelter move when identical acceleration is different, achieves the detection of different accuracy.Then acceleration transducer of the present invention is when front or reverse side are placed, and has different measuring accuracy.Solve the problem that existing acceleration transducer only has a kind of precision.
As Fig. 1, acceleration transducer includes longitudinal direction (Y and Y ' direction) light path four and horizontal (X and X ' direction) light path four, and four lateral light paths are equidistant and be parallel to each other, and four longitudinal light paths are parallel to each other.Lateral light paths four is respectively A and A ' to D and D ', and longitudinal light path four is respectively E and E ' to H and H ', and lateral light paths and longitudinal light path are in same level, i.e. light face.Acceleration transducer horizontal and vertical all there is no an acceleration time, light shelter is placed in position, middle, light face.This time shelter can block four light paths near Guang Mian center, and photosensitive unit can send signal light path being detected, can know horizontal and vertically all do not have acceleration by this signal.And when laterally (as X-direction) has acceleration, light shelter can move to X ' direction, then light shelter can block the light path of GG ' or HH ', then the photosensitive unit of GG ' or HH ' can export signal light not detected, thus can know that acceleration transducer is in X-direction acceleration.Along with the increase of acceleration, light shelter also further from center, thus can block farther light path, can know that acceleration is larger from the light path farther from Guang Mian center.Namely when horizontal and vertical all there is no an acceleration time, light shelter is in Guang Mian center, along with the increase of acceleration on different directions, light shelter also can increase away from the distance at Guang Mian center in the other direction toward acceleration, thus block the light path at edge, the situation of acceleration can be known by the light path of Edge detected.The present invention is not when having acceleration, two light paths near Guang Mian center can be blocked, when there being less acceleration, then only have one can be blocked near light face central optical path, when acceleration is larger, two light paths near side, Guang Mian center can be blocked, and can be known the size of acceleration by the circumstance of occlusion detecting light path.
In certain embodiments, described luminescence unit is the light emitting diode of relative power saving.Described photosensitive unit is the photoresistance of low cost.
In certain embodiments, in order to avoid the interference of other light, luminescence unit has glow frequency, and described photosensitive unit detects described glow frequency then output detections signal.Namely only have the light of the glow frequency of response, photosensitive unit is meeting output detections signal, otherwise, not output detections signal.This glow frequency can be 38KHZ.38KHZ is the glow frequency of Infrared remote controller, relatively common, cheap.
The foregoing is only embodiments of the invention; not thereby scope of patent protection of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. one kind has the acceleration transducer of double precision, it is characterized in that: comprise light shelter, lateral light paths and longitudinal light path, lateral light paths and longitudinal light path square crossing form light face, lateral light paths and longitudinal light path all include the parallel and equidistant light path of two or more, adjacent optical path spacing in lateral light paths equals the adjacent optical path spacing in longitudinal light path, light path includes luminescence unit and corresponding photosensitive unit, photosensitive unit is for detecting the circumstance of occlusion of light path, described smooth shelter is when the acceleration of the different directions of acceleration transducer changes, light shelter changes its position in light face and blocks different light paths, described photosensitive unit is for transmitting acceleration information, light shelter is the spheroid that diameter is greater than adjacent optical path spacing, the side in described light face has first spherical structure of the centre of sphere at light face opposite side, described smooth shelter is placed in described light face and is placed on the first spherical structure, the opposite side in described light face has second spherical structure of the centre of sphere in side, light face, the curvature of described first spherical structure is different from the curvature of the second spherical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510304723.5A CN104914274B (en) | 2015-06-08 | 2015-06-08 | Acceleration sensor with double precision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510304723.5A CN104914274B (en) | 2015-06-08 | 2015-06-08 | Acceleration sensor with double precision |
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| CN104914274A true CN104914274A (en) | 2015-09-16 |
| CN104914274B CN104914274B (en) | 2020-09-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59202067A (en) * | 1983-05-02 | 1984-11-15 | Mitsubishi Electric Corp | Acceleration detecting apparatus |
| CN101545921A (en) * | 2008-03-25 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | Accelerometer |
| CN101825645A (en) * | 2010-04-07 | 2010-09-08 | 矽创电子股份有限公司 | Motion sensing method and motion sensing device using the same |
| CN101995238A (en) * | 2009-08-20 | 2011-03-30 | 艾笛森光电股份有限公司 | Optical sensing device |
| CN204758625U (en) * | 2015-06-08 | 2015-11-11 | 福州汇智集佳电子技术有限公司 | Acceleration sensor with double precision |
-
2015
- 2015-06-08 CN CN201510304723.5A patent/CN104914274B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59202067A (en) * | 1983-05-02 | 1984-11-15 | Mitsubishi Electric Corp | Acceleration detecting apparatus |
| CN101545921A (en) * | 2008-03-25 | 2009-09-30 | 鸿富锦精密工业（深圳）有限公司 | Accelerometer |
| CN101995238A (en) * | 2009-08-20 | 2011-03-30 | 艾笛森光电股份有限公司 | Optical sensing device |
| CN101825645A (en) * | 2010-04-07 | 2010-09-08 | 矽创电子股份有限公司 | Motion sensing method and motion sensing device using the same |
| CN204758625U (en) * | 2015-06-08 | 2015-11-11 | 福州汇智集佳电子技术有限公司 | Acceleration sensor with double precision |
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| CN104914274B (en) | 2020-09-01 |
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Effective date of registration: 20200810 Address after: 350299 Fujian city of Fuzhou province Changle City South City Garden Road on the eastern side of Aetna 3 floor No. 17 Applicant after: FUZHOU RUICHUANG TEXTILE TECHNOLOGY Co.,Ltd. Address before: 350015 Fujian province Fuzhou Mawei District Luoxing street Luoxing Road No. 48 Applicant before: FUZHOU HUIZHI JIJIA ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240318 Address after: 710000, Room T2506, Lai'an Center, Yanzhan Road, Yanta District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Spruiying Technology Development Co.,Ltd. Country or region after: China Address before: 350299 No. 17, Building 3, Antai Garden, East of Nanjincheng Road, Changle City, Fuzhou City, Fujian Province Patentee before: FUZHOU RUICHUANG TEXTILE TECHNOLOGY Co.,Ltd. Country or region before: China |
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