CN105403210A - Tiny single-axis diamond gyro - Google Patents
Tiny single-axis diamond gyro Download PDFInfo
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- CN105403210A CN105403210A CN201510993367.2A CN201510993367A CN105403210A CN 105403210 A CN105403210 A CN 105403210A CN 201510993367 A CN201510993367 A CN 201510993367A CN 105403210 A CN105403210 A CN 105403210A
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- Prior art keywords
- adamas
- diaphragm
- permanent magnet
- microwaves
- feeding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
Abstract
The invention relates to a tiny single-axis diamond gyro. A negative valence nitrogen-vacancy (NV<->) color center-embedded diamond material is sensitive to the angular velocity of a carrier, a low-power LED lamp replaces a laser device to provide polarization and detection lights, and the surface of diamond is coated with a microwave antenna to provide an NV-color center energy level control microwave and radiofrequency signal. The tiny single-axis diamond gyro has a simple and compact structure, can effectively improve the stability of a gyroscope and reduce the production cost, reduces the use cost of low-power devices, and has very large application potential in the field of inertial navigation and posture measurement systems needing gyroscopes with small size, low cost, low power and high stability.
Description
Technical field
The present invention relates to the technical field of gyro, be specifically related to a kind of microminiature single shaft adamas gyro, can be applicable to demand small size, low cost, low-power consumption, the gyrostatic all kinds of navigation of high stability and survey appearance system.
Background technology
Gyroscope is a kind of device being used for measuring carrier rotation information, is sensor important in inertial navigation system.Along with the continuous progress of micro-processing technology, be that a class low cost gyroscope of representative is widely applied with MEMS gyro, but MEMS gyro instrument long term drift rate is high.Therefore the gyroscope of low cost, small size, high stability is badly in need of.
Embedded NV
-the diamond of colour center has the stability of solid material, the sensitivity unit NV in its unit volume
-color center concentration is high, and microwave and optical instrument can be adopted NV
-energy level carries out manipulating and detecting.Utilize this material as the responsive source of turn signal, can effectively reduce gyrostatic volume while guarantee measuring accuracy, and improve gyrostabilization degree.
Summary of the invention
The technical problem to be solved in the present invention is: propose a kind of microminiature single shaft adamas gyro, have the feature of small size, low cost, low-power consumption, high stability.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of microminiature single shaft adamas gyro, comprises gyroscope shell, LED light source, first plano-convex lens, second plano-convex lens, the first annular permanent magnet, the second annular permanent magnet, adamas, first diaphragm, the second diaphragm, filter plate, photodetector, all devices are all coaxial is integrated in gyroscope enclosure; Wherein:
Described LED light source is powered by LED power supply interface, can send the green glow of wavelength between 510nm ~ 550nm.The plane next-door neighbour LED light source of the first plano-convex lens, can be converged to a branch of directional light by green glow.The convex surface side that first annular permanent magnet is close to the first plano-convex lens is installed, and the first annular permanent magnet internal diameter is greater than the convex surface diameter of the first plano-convex lens.First diaphragm side is close to the first annular permanent magnet, and opposite side and adamas fit tightly.Adamas is positioned in the middle of the first diaphragm and the second diaphragm, and the second diaphragm side and adamas fit tightly, and opposite side is close to the second annular permanent magnet.Second plano-convex lens convex surface is close to the second annular permanent magnet, and the second plano-convex lens convex surface diameter is less than the second annular permanent magnet internal diameter.Filter plate is close to the second plano-convex lens plane side, can the green glow of filtering 510nm ~ 550nm, through the fluorescence of 630nm-800nm.Photodetector next-door neighbour filter plate, for detecting the fluorescence of 630nm-800nm, can be powered for photodetector by photodetector electric interfaces and read the signal of photodetector detection.
Described adamas inside is containing NV
-colour center assemblage is gyrostatic core sensitive element, and the direction of principal axis along adamas structure cell [111] cuts, and the center of adamas both side surface is coated with the first circular microwave antenna and the second microwave antenna symmetrically.
The hole diameter of the first described diaphragm should be less than the diameter of the first microwave antenna, on the surface of adamas side, with the corresponding position of the first microwave antenna opening both sides, be coated with the first feeding of microwaves electrode and the second feeding of microwaves electrode at the first diaphragm, the first feeding of microwaves electrode and the second feeding of microwaves electrode are connected to the first feeding of microwaves pin and the second feeding of microwaves pin respectively by the first diaphragm inner lead.First diaphragm and adamas fit tightly, and are convenient to microwave or radiofrequency signal is input to microwave antenna by the first feeding of microwaves pin and the second feeding of microwaves pin.Second diaphragm is identical with the first mechanism of diaphragm, and fits tightly with adamas, is convenient to microwave or radiofrequency signal is input to the second microwave antenna by the 3rd feeding of microwaves pin.
The static magnetic field produced between the first described annular permanent magnet and the second annular permanent magnet is parallel with the axle of adamas structure cell [111].
The present invention's advantage is compared with prior art:
(1) the present invention uses green light LED to replace laser, can effectively reduce gyrostatic power consumption and cost, and reduce gyrostatic volume;
(2) ring shape microwave antenna is plated on diamond surface by the present invention, effectively can improve the feeding efficiency of antenna and the homogeneity of microwave radio field, thus improve gyrostatic sensitivity;
(3) the present invention is simple and compact for structure, can effectively improve gyrostabilization degree, reduce gyrostatic volume simultaneously.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present invention;
Fig. 2 is microwave antenna front elevation of the present invention;
Fig. 3 is microwave antenna side view of the present invention;
Fig. 4 is mechanism of diaphragm figure of the present invention;
Fig. 5 is adamas NV colour center cell configuration figure;
Reference numeral lists as follows: 1-LED light source, 2-first planoconvex lens, 3-first annular permanent magnet, 4-first diaphragm, 5-adamas, 6-second diaphragm, 7-second annular permanent magnet, 8-second plano-convex lens, 9-filter plate, 10-photodetector, 11-gyroscope shell, 12-LED power supply interface, 13-first feeding of microwaves pin, 14-second feeding of microwaves pin, 15-the 3rd feeding of microwaves pin, 16-photodetector electric interfaces, 17-first microwave antenna, 18-second microwave antenna, 19-aperture, 20-first feeding of microwaves electrode, 21-second feeding of microwaves electrode, adamas structure cell [111].
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
A kind of microminiature single shaft adamas gyro as shown in Figure 1, comprises gyroscope shell 11, LED light source 1, first plano-convex lens 2, first annular permanent magnet 3, first diaphragm 4, adamas 5, second diaphragm 6, second annular permanent magnet 7, second plano-convex lens 8, filter plate 9, photodetector 10, all devices are all coaxial is integrated in gyroscope enclosure;
LED light source 1 is powered by LED power supply interface 12, can send the green glow of wavelength between 510nm ~ 550nm.First plano-convex lens 2 plane side next-door neighbour's LED light source 1, for assembling the green glow that LED light source 1 sends.The convex surface side that first annular permanent magnet 3 is close to the first plano-convex lens 2 is installed, and the first annular permanent magnet internal diameter is greater than the convex surface diameter of the first plano-convex lens 2, avoids the installation question that curved surface causes.First diaphragm 4 side is close to the first annular permanent magnet 3, and opposite side and adamas 5 fit tightly simultaneously.Directional light after convergence is irradiated on adamas 5 after the first annular permanent magnet 3 and the first diaphragm 4, makes adamas 5 send fluorescence.Second diaphragm 6 and the first diaphragm 4 fit tightly symmetrically in adamas 5 opposite side.Second annular permanent magnet 7 is close to the axle that the static magnetic field produced between the second diaphragm 6, second annular permanent magnet and the first annular permanent magnet 3 is parallel to adamas structure cell [111].Second plano-convex lens 8 convex surface diameter is less than the second annular permanent magnet 7 internal diameter, and the second plano-convex lens convex surface side is close to the second annular permanent magnet 7, plane side next-door neighbour's filter plate 9.The fluorescence that adamas sends is assembled by the second plano-convex lens 8 after the second diaphragm 6 and the second ring-shaped magnet 7, the outgoing fluorescence assembled filters through filter plate 9 and detects 10 detections by photodetector again, can be powered for photodetector 9 by photodetector electric interfaces 16 and read the signal of photodetector 9 detection.
As shown in Figure 5, adamas 5 inside is containing NV
-colour center assemblage, it is gyrostatic core sensitive element, direction of principal axis along adamas structure cell [111] cuts, in the positive tetrahedron structure that adamas is made up of carbon atom (C), a carbon atom is replaced by nitrogen-atoms (N), a carbon atom is replaced by room (V), constitutes adamantine NV colour center, and the direction of direction in adamas cell configuration that nitrogen-atoms points to room is [111].As shown in Figures 2 and 3, circular first microwave antenna 17 and the second microwave antenna 18 is coated with symmetrically in center, adamas 5 both sides.
Aperture 19 diameter of the first diaphragm 4 is less than the diameter of the first microwave antenna 17, on the surface of adamas 5 side, with the corresponding position of the first microwave antenna 17 opening both sides, the first feeding of microwaves electrode 20 and the second feeding of microwaves electrode 21 is coated with at the first diaphragm 4, be connected to the first feeding of microwaves pin 13 and the second feeding of microwaves pin 14 respectively by the first diaphragm 4 inner lead, see Fig. 4.First diaphragm 4 and adamas 5 fit tightly, and are convenient to microwave or radiofrequency signal is input to the first microwave antenna 17 by the first feeding of microwaves pin 13 and the second feeding of microwaves pin 14.Second diaphragm 6 is identical with the first diaphragm 4 structure, and fits tightly with adamas 5, is convenient to microwave or radiofrequency signal is input to the second microwave antenna 18 by the 3rd feeding of microwaves pin 15.
In a word, the present invention is with embedded negative valency nitrogen-atoms-room (NV
-) the diamond sensitive carrier angular velocity of colour center, replacing laser instrument with low-power consumption LED provides polarization and detects light, and microwave antenna is plated on diamond surface to provide NV
-the microwave of colour center energy level manipulation and radiofrequency signal, make simple and compact for structure, can effectively improve gyrostabilization degree and reduce production cost, the application of low energy-consumption electronic device simultaneously also reduces use cost, has very large application potential at demand small size, low cost, low-power consumption, the gyrostatic inertial navigation of high stability and survey appearance system regions.
The content be not described in detail in instructions of the present invention belongs to the known prior art of professional and technical personnel in the field.Although be described the illustrative embodiment of the present invention above; so that the technician of this technology neck understands the present invention; but should be clear; the invention is not restricted to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined, these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection in appended claim.
Claims (4)
1. a microminiature single shaft adamas gyro, it is characterized in that: comprise gyroscope shell (11), LED light source (1), first plano-convex lens (2), second plano-convex lens (8), first annular permanent magnet (3), second annular permanent magnet (7), adamas (5), first diaphragm (4), the second diaphragm (6), filter plate (9), photodetector (10), all devices are all coaxial is integrated in gyroscope shell (11) inside; Wherein:
Described LED light source (1) sends the green glow of wavelength between 510nm ~ 550nm, plane next-door neighbour's LED light source (1) of the first plano-convex lens (2), green glow is converged to a branch of directional light, the convex surface side that first annular permanent magnet (3) is close to the first plano-convex lens (2) is installed, first annular permanent magnet (3) internal diameter is greater than the convex surface diameter of the first plano-convex lens (2), first diaphragm (4) side is close to the first annular permanent magnet (3), opposite side and adamas (5) fit tightly, adamas (5) is positioned in the middle of the first diaphragm (4) and the second diaphragm (6), second diaphragm (6) side and adamas (5) fit tightly, opposite side is close to the second annular permanent magnet (7), second plano-convex lens (8) convex surface is close to the second annular permanent magnet (7), second plano-convex lens (8) convex surface diameter is less than the second annular permanent magnet (7) internal diameter, filter plate (9) is close to the second plano-convex lens (8) plane side, the green glow of filtering 510nm ~ 550nm, through the fluorescence of 630nm-800nm, photodetector (10) next-door neighbour's filter plate (9), for detecting the fluorescence of 630nm-800nm, the signal that photodetector (10) detects is read for photodetector (10) power supply by photodetector electric interfaces (16).
2. a kind of microminiature single shaft adamas gyro according to claim 1, is characterized in that: described adamas (5) inside is containing NV
-colour center assemblage, the direction of principal axis along adamas structure cell [111] cuts, and the center of adamas (5) both side surface is coated with circular the first microwave antenna (17) and the second microwave antenna (18) symmetrically.
3. a kind of microminiature single shaft adamas gyro according to claim 1, it is characterized in that: aperture (19) diameter of described the first diaphragm (4) is less than the diameter of the first microwave antenna (17), at the first diaphragm (4) on the surface of adamas (5) side, the first feeding of microwaves electrode (20) and the second feeding of microwaves electrode (21) is coated with the corresponding position of the first microwave antenna (17) opening both sides, first feeding of microwaves electrode (20) and the second feeding of microwaves electrode (21) are connected to the first feeding of microwaves pin (13) and the second feeding of microwaves pin (14) respectively by the first diaphragm (4) inner lead, first diaphragm (4) and adamas (5) fit tightly, and are convenient to microwave or radiofrequency signal is input to microwave antenna by the first feeding of microwaves pin (13) and the second feeding of microwaves pin (14), second diaphragm (6) is identical with the first diaphragm (4) structure, and fit tightly with adamas (5), be convenient to microwave or radiofrequency signal is input to the second microwave antenna (18) by the 3rd feeding of microwaves pin (15).
4. a kind of microminiature single shaft adamas gyro according to claim 1, is characterized in that: described the first annular permanent magnet (3) is parallel with the axle of adamas structure cell [111] with the static magnetic field produced between the second annular permanent magnet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993367.2A CN105403210B (en) | 2015-12-24 | 2015-12-24 | A kind of microminiature single shaft diamond gyro |
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| CN201510993367.2A CN105403210B (en) | 2015-12-24 | 2015-12-24 | A kind of microminiature single shaft diamond gyro |
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| CN105403210A true CN105403210A (en) | 2016-03-16 |
| CN105403210B CN105403210B (en) | 2018-04-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441262A (en) * | 2016-07-11 | 2017-02-22 | 中北大学 | Non-commutative quantum geometric phase NV color center gyroscope |
| CN108385163A (en) * | 2017-03-15 | 2018-08-10 | 杨承 | Diamond crystal and inertia motion measuring device based on diamond quantum defect center |
| CN113281683A (en) * | 2021-05-11 | 2021-08-20 | 国网安徽省电力有限公司电力科学研究院 | Microwave antenna for diamond film magnetic imaging device and manufacturing method |
| US11402210B2 (en) | 2019-12-06 | 2022-08-02 | Robert Bosch Gmbh | Method for ascertaining the change in a spatial orientation of an NMR gyroscope and an NMR gyroscope |
Citations (5)
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| WO2014011286A2 (en) * | 2012-04-13 | 2014-01-16 | The Regents Of The University Of California | Gyroscopes based on nitrogen-vacancy centers in diamond |
| CN103557855A (en) * | 2013-11-13 | 2014-02-05 | 北京航空航天大学 | Diamond gyroscope with color core |
| CN103743390A (en) * | 2013-12-31 | 2014-04-23 | 北京航空航天大学 | Gyroscope based on NV (Nitrogen-Vacancy)-center diamond-MEMS (Micro Electro Mechanical Systems) mixed structure and preparation method thereof |
| US20140327439A1 (en) * | 2013-05-01 | 2014-11-06 | Massachusetts Institute Of Technology | Stable three-axis nuclear spin gyroscope |
| CN104697512A (en) * | 2015-03-20 | 2015-06-10 | 中国科学技术大学 | Diamond color center gyroscope based on Aharonov-Anandan geometric phase and angular velocity measuring method |
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2015
- 2015-12-24 CN CN201510993367.2A patent/CN105403210B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014011286A2 (en) * | 2012-04-13 | 2014-01-16 | The Regents Of The University Of California | Gyroscopes based on nitrogen-vacancy centers in diamond |
| US20140327439A1 (en) * | 2013-05-01 | 2014-11-06 | Massachusetts Institute Of Technology | Stable three-axis nuclear spin gyroscope |
| CN103557855A (en) * | 2013-11-13 | 2014-02-05 | 北京航空航天大学 | Diamond gyroscope with color core |
| CN103743390A (en) * | 2013-12-31 | 2014-04-23 | 北京航空航天大学 | Gyroscope based on NV (Nitrogen-Vacancy)-center diamond-MEMS (Micro Electro Mechanical Systems) mixed structure and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441262A (en) * | 2016-07-11 | 2017-02-22 | 中北大学 | Non-commutative quantum geometric phase NV color center gyroscope |
| CN106441262B (en) * | 2016-07-11 | 2023-04-07 | 中北大学 | Non-exchange quantum geometric phase NV color center gyroscope |
| CN108385163A (en) * | 2017-03-15 | 2018-08-10 | 杨承 | Diamond crystal and inertia motion measuring device based on diamond quantum defect center |
| US11402210B2 (en) | 2019-12-06 | 2022-08-02 | Robert Bosch Gmbh | Method for ascertaining the change in a spatial orientation of an NMR gyroscope and an NMR gyroscope |
| CN113281683A (en) * | 2021-05-11 | 2021-08-20 | 国网安徽省电力有限公司电力科学研究院 | Microwave antenna for diamond film magnetic imaging device and manufacturing method |
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| CN105403210B (en) | 2018-04-06 |
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