CN206891447U - A kind of dynamically tuned gyro, DTG and its angular position pick up - Google Patents
A kind of dynamically tuned gyro, DTG and its angular position pick up Download PDFInfo
- Publication number
- CN206891447U CN206891447U CN201720732928.8U CN201720732928U CN206891447U CN 206891447 U CN206891447 U CN 206891447U CN 201720732928 U CN201720732928 U CN 201720732928U CN 206891447 U CN206891447 U CN 206891447U
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- China
- Prior art keywords
- angular position
- electromagnetic induction
- magnetic steel
- steel rotor
- position pick
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Abstract
The utility model discloses a kind of dynamically tuned gyro, DTG and its angular position pick up, angular position pick up includes at least two electromagnetic induction coils fixed relative to gyroscope position, the electromagnetic induction coil is circumferentially disposed the magnetic steel rotor, and two be oppositely arranged the electromagnetic induction coil is symmetrical relative to the pivot center of the magnetic steel rotor；The magnetic steel rotor produces the magnetic field of sinusoidal variations during rotation, and each electromagnetic induction coil is in the magnetic field of the sinusoidal variations, and the connection voltage processing of its binding post and collecting device.The angular position pick up improves its anti-electromagnetic interference capability, expands angular position measurement scope, and improves the linearity of output signal, so as to ensure that the angular position measurement precision of gyroscope and stability.
Description
Technical field
It the utility model is related to technical field of angle detection, more particularly to a kind of Angle Position for dynamically tuned gyro, DTG
Sensor.The utility model further relates to a kind of dynamically tuned gyro, DTG including the angular position pick up.
Background technology
Existing dynamic tuning formula flexure gyroscope is mainly measured using inductance sensor diagonal displacement, than more typical
The inductance sensor for measured angular position be φ linea angulata circles, this inductance sensor useful range is smaller, is usually used in measuring
Less displacement of the lines or angular displacement, its linearity within 10 ° is preferable, and more than the 10 ° linearities are deteriorated, and decoupling precision is influenceed very
Greatly, when carrying out large range measuring on gyroscope, its nonlinearity index error, the performance of gyro sensor is had a strong impact on；And
And inductance element is more sensitive to variation of ambient temperature, when environment temperature changes, winding parameter change and iron can be caused
Core size distortion, output current or voltage is set to produce change so as to cause error；If in addition, supply frequency and spread of voltage,
Accuracy of detection can also be affected with electrical parameter fluctuation, so as to produce larger error.
Therefore it provides a kind of angular position pick up for dynamically tuned gyro, DTG, to improve its electromagnetism interference energy
Power, expand angular position measurement scope, and improve the linearity of output signal, so as to ensure the angular position measurement precision of gyroscope and
Stability, just turn into those skilled in the art's urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of angular position pick up for dynamically tuned gyro, DTG, to improve it
Anti-electromagnetic interference capability, expand angular position measurement scope, and improve the linearity of output signal, so as to ensure the angle position of gyroscope
Put measurement accuracy and stability.Another object of the present utility model is to provide a kind of power including the angular position pick up
Tuned gyroscope instrument.
In order to solve the above technical problems, angular position pick up provided by the utility model is used for dynamically tuned gyro, DTG, institute
Stating dynamically tuned gyro, DTG is included with the magnetic steel rotor of default angular speed rotation, the magnetic steel rotor radial magnetizing, the angle
Position sensor includes at least two electromagnetic induction coils fixed relative to gyroscope position, and the electromagnetic induction coil is in institute
The circumferentially disposed of magnetic steel rotor is stated, and two be oppositely arranged the electromagnetic induction coil is relative to the rotation of the magnetic steel rotor
Axisymmetrical；The magnetic steel rotor produces the magnetic field of sinusoidal variations during rotation, and each electromagnetic induction coil is in should
In the magnetic field of sinusoidal variations, and the connection voltage processing of its binding post and collecting device.
The electromagnetic induction coil of the angular position pick up is fixed on gyroscope, and its position is constant all the time, radial magnetizing
Magnetic steel rotor itself rotates at a high speed, i.e., magnetic steel rotor rotates simultaneously cutting magnetic induction line relative to electromagnetic induction coil；Now can be in electricity
The magnetic field of alternation is produced inside magnetic induction coil, according to electromagnetic induction principle, coil can produce periodically variable induction electric
Gesture, coil are placed in the magnetic field in sinusoidal variations, so as to produce the induced voltage of sinusoidal variations；Deflected in magnetic steel rotor
When, the overlapping area of magnetic field and coil caused by magnetic steel rotor can change, so as to directly affect the big of magnetic fields area
It is small, and then cause the change of induced electromotive force size；By external equipment measure induced electromotive force virtual value, and by its with it is inclined
Gyration is mapped, it is possible to the curve that induced electromotive force changes with deflection angle is obtained, so as to obtain magnetic steel rotor deflection
Angle.Therefore, measured Angle Position is converted into electric signal by the angular position pick up using electromagnetic induction principle, and it need not
Accessory power supply, just the Angle Position of the rotor (i.e. magnetic steel rotor) of dynamically tuned gyro, DTG can be converted into electric signal and measured.
Meanwhile in order to resist electromagnetic interference, this programme employs differential type connection scheme, i.e. a yawing moment in magnetic steel rotor
On, two cell windings are symmetrically arranged, the induced electromotive force of output takes its difference；When there is electromagnetic interference, two coils
Induced electromotive force all produces change, and variable quantity is identical, after differential connection, can offset electromagnetic interference and cell winding is exported
The influence of signal.So, the angular position pick up improves its anti-electromagnetic interference capability, expands angular position measurement scope, and
The linearity of output signal is improved, so as to ensure that angular position measurement precision, range and the stability of gyroscope.
Further, the electromagnetic induction coil is at least four, and each electromagnetic induction coil is in the magnetic steel rotor
Circumference be uniformly distributed.
Further, the electromagnetic induction coil is four, is divided into two coil groups being oppositely arranged, two coil groups and institute
The pivot center for stating magnetic steel rotor forms orthogonal coordinate system.
Further, each electromagnetic induction coil is arranged on the head-shield of the dynamically tuned gyro, DTG, and with it is described
Head-shield fits.
The utility model also provides a kind of dynamically tuned gyro, DTG, including magnetic steel rotor, and the detection magnetic steel rotor is inclined
The angular position pick up of gyration, the angular position pick up are angular position pick up as described above, the Angle Position sensing
The binding post connection voltage processing of device and collecting device.
Further, amplifier, wave filter and the voltage that the voltage processing and collecting device include being sequentially connected electrically are adopted
Collecting system.
Brief description of the drawings
Fig. 1 is a kind of use state figure of embodiment of angular position pick up provided by the utility model；
Fig. 2 is that magnet steel projects magnetic field and the schematic diagram of coil installation site in angular position pick up shown in Fig. 1；
Fig. 3 is movement relation schematic diagram.
Description of reference numerals：
1- magnetic steel rotors
2- electromagnetic induction coils
Embodiment
Core of the present utility model is to provide a kind of angular position pick up for dynamically tuned gyro, DTG, to improve it
Anti-electromagnetic interference capability, expand angular position measurement scope, and improve the linearity of output signal, so as to ensure the angle position of gyroscope
Put measurement accuracy and stability.Another core of the present utility model is to provide a kind of power including the angular position pick up
Tuned gyroscope instrument.
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and have
The utility model is described in further detail for body embodiment.
Fig. 1-Fig. 3 is refer to, Fig. 1 is a kind of making for embodiment of angular position pick up provided by the utility model
Use state diagram；Fig. 2 is that magnet steel projects magnetic field and the schematic diagram of coil installation site in angular position pick up shown in Fig. 1；Fig. 3 is fortune
Dynamic relation schematic diagram.
In a kind of embodiment, angular position pick up provided by the utility model is used for dynamically tuned gyro, DTG,
The dynamically tuned gyro, DTG includes described with the magnetic steel rotor 1 of default angular speed rotation, the radial magnetizing of magnetic steel rotor 1
Angular position pick up includes at least two electromagnetic induction coils 2 fixed relative to gyroscope position, the electromagnetic induction coil 2
In the circumferentially disposed of the magnetic steel rotor 1, and two electromagnetic induction coils 2 being oppositely arranged are relative to the magnetic steel rotor
1 pivot center is symmetrical；The magnetic steel rotor 1 produces the magnetic field P of sinusoidal variations, each electromagnetic induction line during rotation
In magnetic field of the circle 2 in the sinusoidal variations, and the connection voltage processing of its binding post and collecting device.
Specifically, above-mentioned each electromagnetic induction coil 2 is arranged on the head-shield of the dynamically tuned gyro, DTG, and with the head
Cover fits；Because the program using electromagnetic induction coil 2 is used as detecting element, it occupies little space, and can be fitted in completely
Inside head-shield, angular position measurement is realized in limited space, and does not influence the normal work of dynamically tuned gyro, DTG, is improved
Space availability ratio.It is apparent that electromagnetic induction coil 2 is not limited to be arranged on head-shield, gyroscope can also be disposed relative to and consolidated
Fixed other positions.
Above-mentioned electromagnetic induction coil 2 is at least four, circumference of each electromagnetic induction coil 2 in the magnetic steel rotor 1
It is uniformly distributed, will pass through the deflection angle that each coil to setting measures different directions respectively, expands the detection model of Angle Position
Enclose.In theory, electromagnetic induction coil 2 can be set two or more, on the basis of antijamming capability is ensured, realization and electromagnetism
Matched yawing moment residing for induction coil 2, for example, be in Fig. 1, corresponding to coil L1 magnetic steel rotor 1 forward
The angle of depression changes, and is the elevation angle change of magnetic steel rotor 1 backward corresponding to coil L2, it is magnetic steel rotor that coil L3 and L4 are corresponding respectively
1 left-right rotation angle.
The quantity of the electromagnetic induction coil 2 is specially four, is divided into two coil groups being oppositely arranged, two coil groups and institute
The pivot center for stating magnetic steel rotor 1 forms orthogonal coordinate system；The mode of this kind of space symmetr layout, it can effectively measure power tune
The rotor deflection angle of humorous gyroscope, and the measurement of space three-dimensional Angle Position is realized, it is achieved thereby that the Angle Position of wide range
Measurement, output signal have the higher linearity, and continuous measurement can be achieved in the positive and negative change of angle.
The electromagnetic induction coil 2 of the angular position pick up is fixed on gyroscope, and its position is constant all the time, radial magnetizing
Magnetic steel rotor 1 itself rotates at a high speed, i.e., magnetic steel rotor 1 rotates simultaneously cutting magnetic induction line relative to electromagnetic induction coil 2；Now can be
The inside of electromagnetic induction coil 2 produces the magnetic field of alternation, and according to electromagnetic induction principle, coil can produce periodically variable induced electricity
Kinetic potential, coil are placed in the magnetic field in sinusoidal variations, so as to produce the induced voltage of sinusoidal variations；Occur partially in magnetic steel rotor 1
When turning, the overlapping area of magnetic field and coil caused by magnetic steel rotor 1 can change, so as to directly affect magnetic fields area
Size, and then cause the change of induced electromotive force size；By external equipment measure induced electromotive force virtual value, and by its with
Deflection angle is mapped, it is possible to the curve that induced electromotive force changes with deflection angle is obtained, it is inclined so as to obtain magnetic steel rotor 1
The angle turned.Therefore, measured Angle Position is converted into electric signal by the angular position pick up using electromagnetic induction principle, and it is not required to
Accessory power supply is wanted, just the Angle Position of the rotor (i.e. magnetic steel rotor 1) of dynamically tuned gyro, DTG can be converted into electric signal is surveyed
Amount.Meanwhile in order to resist electromagnetic interference, this programme employs differential type connection scheme, i.e. a deflection side in magnetic steel rotor 1
Upwards, symmetrically two cell windings of arrangement, the induced electromotive force of output take its difference；When there is electromagnetic interference, two lines
Circle induced electromotive force all produces change, and variable quantity is identical, and after differential connection, it is defeated to cell winding can to offset electromagnetic interference
Go out the influence of signal.So, the angular position pick up improves its anti-electromagnetic interference capability, expands angular position measurement scope,
And the linearity of output signal is improved, so as to ensure that the angular position measurement precision of gyroscope and stability.
Except above-mentioned angular position pick up, the utility model also provides a kind of dynamic tuning including the angular position pick up
Gyroscope, other Each parts of the gyroscope refer to prior art, do not limit herein.In order to ensure that voltage signal is adopted
Collection and treatment effect, can set amplifier and wave filter between sensor and System of voltage acquisition.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand method and its core concept of the present utility model.It should be pointed out that for the art
For those of ordinary skill, on the premise of the utility model principle is not departed from, some change can also be carried out to the utility model
Enter and modify, these are improved and modification is also fallen into the protection domain of the utility model claims.
Claims (6)
1. a kind of angular position pick up for dynamically tuned gyro, DTG, the dynamically tuned gyro, DTG is included with default angle speed
Spend the magnetic steel rotor (1) of rotation, magnetic steel rotor (1) radial magnetizing, it is characterised in that the angular position pick up is included extremely
Few two electromagnetic induction coils (2) fixed relative to gyroscope position, the electromagnetic induction coil (2) is in the magnetic steel rotor
(1) circumferentially disposed, and two electromagnetic induction coils (2) being oppositely arranged are relative to the rotation of the magnetic steel rotor (1)
Axisymmetrical；The magnetic steel rotor (1) produces the magnetic field of sinusoidal variations, each electromagnetic induction coil (2) during rotation
In magnetic field in the sinusoidal variations, and the connection voltage processing of its binding post and collecting device.
2. angular position pick up according to claim 1, it is characterised in that the electromagnetic induction coil (2) is at least four
Individual, each electromagnetic induction coil (2) is uniformly distributed in the circumference of the magnetic steel rotor (1).
3. angular position pick up according to claim 1, it is characterised in that the electromagnetic induction coil (2) is four, point
For two coil groups being oppositely arranged, two coil groups and the pivot center of the magnetic steel rotor (1) form orthogonal coordinate system.
4. according to the angular position pick up described in claim any one of 1-3, it is characterised in that each electromagnetic induction coil
(2) it is arranged on the head-shield of the dynamically tuned gyro, DTG, and is fitted with the head-shield.
5. a kind of dynamically tuned gyro, DTG, including magnetic steel rotor (1), and the angle position of detection magnetic steel rotor (1) deflection angle
Put sensor, it is characterised in that the angular position pick up is the angular position pick up as described in claim any one of 1-4,
The binding post connection voltage processing of the angular position pick up and collecting device.
6. dynamically tuned gyro, DTG according to claim 5, it is characterised in that the voltage processing and collecting device include
Amplifier, wave filter and the System of voltage acquisition being sequentially connected electrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732928.8U CN206891447U (en) | 2017-06-22 | 2017-06-22 | A kind of dynamically tuned gyro, DTG and its angular position pick up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732928.8U CN206891447U (en) | 2017-06-22 | 2017-06-22 | A kind of dynamically tuned gyro, DTG and its angular position pick up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206891447U true CN206891447U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720732928.8U Expired - Fee Related CN206891447U (en) | 2017-06-22 | 2017-06-22 | A kind of dynamically tuned gyro, DTG and its angular position pick up |
Country Status (1)
| Country | Link |
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| CN (1) | CN206891447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195365A (en) * | 2017-06-22 | 2018-06-22 | 中国航天标准化研究所 | A kind of dynamically tuned gyro, DTG and its angular position pick up |
-
2017
- 2017-06-22 CN CN201720732928.8U patent/CN206891447U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195365A (en) * | 2017-06-22 | 2018-06-22 | 中国航天标准化研究所 | A kind of dynamically tuned gyro, DTG and its angular position pick up |
| CN108195365B (en) * | 2017-06-22 | 2023-12-08 | 中国航天标准化研究所 | Dynamic tuning gyroscope and angular position sensor thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20180622 |