CN105004333A - Miniature dynamically tuned gyroscope - Google Patents
Miniature dynamically tuned gyroscope Download PDFInfo
- Publication number
- CN105004333A CN105004333A CN201510420003.5A CN201510420003A CN105004333A CN 105004333 A CN105004333 A CN 105004333A CN 201510420003 A CN201510420003 A CN 201510420003A CN 105004333 A CN105004333 A CN 105004333A
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- CN
- China
- Prior art keywords
- assembly
- front cover
- gyrorotor
- amplification circuit
- gyro instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01C19/02—Rotary gyroscopes
Abstract
A miniature dynamically tuned gyroscope includes a base body assembly, a motor rotor assembly arranged on the base body assembly, and a mounting plane for the gyrorotor assembly; the base body assembly is provided with a shaft sleeve of a motor driving shaft, and the motor driving shaft penetrates through the shaft sleeve so as to connect the gyrorotor assembly with the motor rotor assembly; a rear cover assembly and a front cover assembly are sealed with the base body assembly by laser welding, a prepositioned amplification circuit board is welded with the front cover assembly through an insulator, and the prepositioned amplification circuit board is externally provided with a circuit board protection shield; the gyrorotor assembly is provided with a flexible joint, a thin neck of the flexible joint has a reed shape inclined 45 DEG relative to a rotating shaft, and the interior of the gyrorotor assembly is provided with a torque stator magnetic steel structure formed by two radial magnetization magnetic steel rings and two axial magnetization magnetic steel rings; the front cover assembly is provided with a plurality of blind holes, signal devices are mounted on a front cover, core shafts of the signal devices are fixed with the blind holes, and signal device coils adhere on the signal device core shafts.
Description
Technical field
The present invention relates to a kind of angular speed proving installation, particularly a kind of Minitype power tuning gyro instrument.
Background technology
Minitype power tuning gyro instrument is the core parts in inertia system, has volume little, lightweight, and the life-span is long, and power consumption is few, starts the features such as fast, is widely used in the control system on aircraft, tank, guided missile and naval vessel.In recent years along with weaponry is fast-developing, all have higher requirement to Minitype power tuning gyro instrument in many fields, not only require that Minitype power tuning gyro instrument precision is high, volume is little, lightweight, startup is fast, power is little, but also require that gyro environment resistant ability is strong, reliability is high.Existing Minitype power tuning gyro instrument cannot meet harsh environmental requirement and high reliability request, therefore need to develop a kind of Minitype power tuning gyro instrument in precision, volume, weight, life-span, power consumption, start-up time constant, environment resistant ability and reliability improve greatly.
Summary of the invention
The object of the invention is to, overcome the inherent shortcoming of above-mentioned Minitype power tuning gyro instrument, a kind of new micro dynamically tuned gyro, DTG is provided, have the advantages that traditional Minitype power tuning gyro instrument precision is high, volume is little, lightweight, the life-span long, startup is fast, power consumption is little, and harsh environmental requirement and high reliability request can be met.
A kind of Minitype power tuning gyro instrument, comprises
Pedestal assembly, be arranged on the mounting plane of motor rotor component on pedestal assembly and gyrorotor assembly, be provided with the axle sleeve of motor driving shaft at pedestal assembly, motor driving shaft runs through axle sleeve makes gyrorotor assembly be connected with motor rotor component; Bonnet and front cover component and pedestal assembly are sealed by Laser Welding (LBW), and pre-amplification circuit plate is welded with front cover component by insulator, and pre-amplification circuit plate is outside equipped with circuit board protective cover;
Described gyrorotor assembly place is provided with flexible coupling, and the thin neck of flexible coupling is set to the reed type of oblique 45 ° of relative revolving shaft, is provided with the torquer magnetic steel of stator structure be made up of the magnet steel ring of two radial magnetizings and two axial chargings in it;
Described front cover component is provided with some blind holes, and signalling means is arranged on protecgulum, and its signalling means mandrel and blind hole are fixed, and signalling means coil is bonded on signalling means mandrel.
Preferably, described pre-amplification circuit plate adopts flexible PCB to be directly installed on front cover component.
Preferably, described pre-amplification circuit plate comprises excitation power supply part, enlarge leadingly part, demodulation part and frequency-selecting part.
Preferably, described circuit board protective cover is connected by screw and pedestal assembly.
Preferably, described gyro machine stator coil extension line is drawn, without front cover component from the insulator of pedestal assembly middle-end.
Preferably, described gyrorotor assembly torquer magnetic steel of stator structure is Halbach permanent array way.
Preferably, described front cover component is provided with temperature compensation means.
Compared with existing Minitype power tuning gyro instrument technology, the present invention has following technical advantage:
1, the present invention adopts flexible PCB, can increase the area of pre-amplification circuit plate when gyro constancy of volume; Pre-amplification circuit plate comprises excitation power supply part, enlarge leadingly part, demodulation part and frequency-selecting part, ensures can directly use from gyro simulating signal out;
2, signalling means is arranged on front cover component by the present invention, adopts thin neck to be the reed type of oblique 45 ° of relative revolving shaft, and under identical elastic condition, the thickness of its reed can improve doubly left and right, and this can improve the anti shock and vibration ability of flexible coupling greatly; Avoid the AC magnetic field of gyro machine to the interference of the small output signal of signalling means;
3, the present invention adopts Halbach magnet steel group pattern mode, greatly can improve magnetic density.
4, precision of the present invention, volume, weight, start-up time are identical with it with power consumption, overall structure form of the present invention avoids undesired signal, the version of flexible coupling can bear harsh vibratory impulse condition, and therefore this product can meet harsh environmental requirement and high reliability request.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of embodiment of the present invention electric signal;
Fig. 3 is signalling means of the present invention and front cover component package assembly schematic diagram;
Fig. 4 is the thin neck structure schematic diagram of gyrorotor assembly of the present invention flexible coupling;
Fig. 5 is gyrorotor assembly torquer magnetic steel of stator structural drawing of the present invention;
Front cover component and temperature compensation means package assembly schematic diagram during Fig. 6.
Being labeled as in accompanying drawing: 1-bonnet, 2-motor rotor component, 3-bearing, 4-sleeve, 5-pedestal assembly, 6-gyrorotor assembly, 7-front cover component, 8-pre-amplification circuit plate, 9-circuit board protective cover, 10-screw, 11-temperature compensation means, 12-signalling means.
Embodiment
Below in conjunction with drawings and Examples, Minitype power tuning gyro instrument of the present invention is described in further detail, but not as foundation the present invention being done to any restriction.
As shown in Figure 1, comprise pedestal assembly 5, pedestal assembly 5 is the cylindrical shape of flanged dish, and pedestal assembly 5 comprises motor nail assembly and housing unit, pedestal assembly 5 is respectively equipped with the mounting plane of motor rotor component 2 and gyrorotor assembly 6; Be connected by motor driving shaft and motor rotor component 2 at gyrorotor assembly 6; Bonnet 1, front cover component 7 are sealed by Laser Welding (LBW) with pedestal assembly 5; Pre-amplification circuit plate 8 is welded with front high assembly 7 by insulator; Circuit board protective cover 9 is connected by screw 10 and pedestal assembly 5.
As shown in Figure 2, the principle of electric signal of the present invention: in figure, gyro machine is three-phase hysteresis machine, gyro machine drives gyrorotor to run up by flexible shaft, it is made to produce the momentum moment, polar moment of inertia and the angular velocity of momentum moment size and gyrorotor are directly proportional, direction is consistent with angular velocity direction, overlaps with driving axis is approximate.When gyrorotor is by moment of face M effect, momentum moment H direction changes, and gyrorotor is by the direction precession deflection along moment of face, and angular velocity of precession is, direction is vertical with moment of face.After gyrorotor sensitive carrier speed, signalling means exports the ac voltage signal proportional with this speed, after prime amplifier amplification, frequency-selecting, demodulation, correction, power amplification, obtain the d. c. voltage signal proportional with speed is added on torquer, makes torquer produce corresponding feedback moment.Then by force feedback circuit, detect gyroscopic couple device correcting current size and Orientation, gyroscopic procession speed size and direction can be obtained.
As shown in Figure 3.Front cover component is processed eight blind holes be used for signalling means mandrel is installed, then signalling means coil is bonded on signalling means mandrel.Signalling means is arranged on protecgulum, avoids the AC magnetic field of gyro machine to the interference of the small output signal of signalling means.
As shown in Figure 4, be the slotting spring formula of oblique 45 ° of relative revolving shaft, insert spring formula joint and compare with adjacent pass thin muscle formula joint, longer between its thin muscle distorted area, under same rigidity condition, thin muscle is thicker.
Gyrorotor assembly 6 torquer magnetic steel of stator structure Halbach permanent array way, as shown in Figure 5.It is made up of the magnet steel ring of two radial magnetizings and two axial chargings, and the magnetic density of this structure is obviously greater than the magnetic density of usual structure, thus can improve the constant multiplier of torquer.
Front cover component 7 is provided with temperature compensation means 11 as shown in Figure 6.Be provided with high and low temperature compensation system in gyro inside, can ensure the performance of gyro under high/low temperature condition and normal temperature performance basically identical.
Claims (7)
1. a Minitype power tuning gyro instrument, is characterized in that: comprise
Pedestal assembly, be arranged on the mounting plane of motor rotor component on pedestal assembly and gyrorotor assembly, be provided with the axle sleeve of motor driving shaft at pedestal assembly, motor driving shaft runs through axle sleeve makes gyrorotor assembly be connected with motor rotor component; Bonnet and front cover component and pedestal assembly are sealed by Laser Welding (LBW), and pre-amplification circuit plate is welded with front cover component by insulator, and pre-amplification circuit plate is outside equipped with circuit board protective cover;
Described gyrorotor assembly place is provided with flexible coupling, and the thin neck of flexible coupling is set to the reed type of oblique 45 ° of relative revolving shaft, is provided with the torquer magnetic steel of stator structure be made up of the magnet steel ring of two radial magnetizings and two axial chargings in it;
Described front cover component is provided with some blind holes, and signalling means is arranged on protecgulum, and its signalling means mandrel and blind hole are fixed, and signalling means coil is bonded on signalling means mandrel.
2. a kind of Minitype power tuning gyro instrument according to claim 1, is characterized in that: described pre-amplification circuit plate adopts flexible PCB to be directly installed on front cover component.
3. a kind of Minitype power tuning gyro instrument according to claim 1, is characterized in that: described pre-amplification circuit plate comprises excitation power supply part, enlarge leadingly part, demodulation part and frequency-selecting part.
4. a kind of Minitype power tuning gyro instrument according to claim 1, is characterized in that: described circuit board protective cover is connected by screw and pedestal assembly.
5. a kind of Minitype power tuning gyro instrument according to claim 1, is characterized in that: described gyro machine stator coil extension line is drawn, without front cover component from the insulator of pedestal assembly middle-end.
6. a kind of Minitype power tuning gyro instrument according to claim 1, is characterized in that: described gyrorotor assembly torquer magnetic steel of stator structure is Halbach permanent array way.
7. a kind of Minitype power tuning gyro instrument according to claim 1, is characterized in that: described front cover component is provided with temperature compensation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510420003.5A CN105004333A (en) | 2015-07-16 | 2015-07-16 | Miniature dynamically tuned gyroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510420003.5A CN105004333A (en) | 2015-07-16 | 2015-07-16 | Miniature dynamically tuned gyroscope |
Publications (1)
| Publication Number | Publication Date |
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| CN105004333A true CN105004333A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510420003.5A Pending CN105004333A (en) | 2015-07-16 | 2015-07-16 | Miniature dynamically tuned gyroscope |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525014A (en) * | 2016-11-01 | 2017-03-22 | 陕西航天时代导航设备有限公司 | Design method of high-vibration-resistance parallel thin-neck flexible support assembly structure |
| CN108036781A (en) * | 2017-12-07 | 2018-05-15 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Band-adaptive antivibration gyroscope |
| CN110779509A (en) * | 2019-10-30 | 2020-02-11 | 中国航空工业集团公司洛阳电光设备研究所 | Dynamically tuned gyroscope preamplifier circuit board |
| CN110879058A (en) * | 2019-11-14 | 2020-03-13 | 中国船舶重工集团公司第七0七研究所 | Closed-circuit magnetizing structure for stator magnetic steel of liquid floated gyroscope |
| CN112629513A (en) * | 2020-12-17 | 2021-04-09 | 陕西华燕航空仪表有限公司 | Quick-start environment-resistant micro dynamically tuned gyroscope |
| CN114279427A (en) * | 2021-11-28 | 2022-04-05 | 陕西华燕航空仪表有限公司 | Design method of high-stability flexible gyroscope |
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2015
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525014A (en) * | 2016-11-01 | 2017-03-22 | 陕西航天时代导航设备有限公司 | Design method of high-vibration-resistance parallel thin-neck flexible support assembly structure |
| CN108036781A (en) * | 2017-12-07 | 2018-05-15 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Band-adaptive antivibration gyroscope |
| CN108036781B (en) * | 2017-12-07 | 2021-04-06 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Frequency band self-adaptive anti-vibration gyroscope |
| CN110779509A (en) * | 2019-10-30 | 2020-02-11 | 中国航空工业集团公司洛阳电光设备研究所 | Dynamically tuned gyroscope preamplifier circuit board |
| CN110879058A (en) * | 2019-11-14 | 2020-03-13 | 中国船舶重工集团公司第七0七研究所 | Closed-circuit magnetizing structure for stator magnetic steel of liquid floated gyroscope |
| CN112629513A (en) * | 2020-12-17 | 2021-04-09 | 陕西华燕航空仪表有限公司 | Quick-start environment-resistant micro dynamically tuned gyroscope |
| CN114279427A (en) * | 2021-11-28 | 2022-04-05 | 陕西华燕航空仪表有限公司 | Design method of high-stability flexible gyroscope |
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