CN101221269A - Novel high speed rotating platform based on optical fiber rotating connector - Google Patents
Novel high speed rotating platform based on optical fiber rotating connector Download PDFInfo
- Publication number
- CN101221269A CN101221269A CNA2007101648492A CN200710164849A CN101221269A CN 101221269 A CN101221269 A CN 101221269A CN A2007101648492 A CNA2007101648492 A CN A2007101648492A CN 200710164849 A CN200710164849 A CN 200710164849A CN 101221269 A CN101221269 A CN 101221269A
- Authority
- CN
- China
- Prior art keywords
- hollow spindle
- high speed
- rotation connector
- fiber rotation
- accurate hollow
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a high speed rotary platform device based on a fiber rotation connecting device. The device is provided with a base which is sequentially provided with a round inductosyn, a T-shaped fine hollow main shaft and a rotary working platform. The T-shaped fine hollow main shaft is internally provided with a connecting shaft and the lower end of the connecting shaft is provided with a regular hexagon skirt. A third bearing, an electric slide ring and a second bearing are arranged between the outer side of the connecting shaft and the inner side of the T-shaped fine hollow main shaft. The upper end of the connecting shaft is provided with a connecting shaft fixing hole and a connecting shaft groove. The connecting shaft groove is internally provided with the fiber rotation connecting device. A first bearing is arranged between the outer side of the T-shaped fine hollow main shaft and the base. The base is provided with a servo motor which is connected with the T-shaped fine hollow main shaft by a gear set. The base and the rotary working platform are provided with a base photoelectric-electrolight conversion module and a rotary platform photoelectric-electrolight conversion module. The high speed rotary platform device ensures the stability and precision of the system under the situation that the rotary platform rotates at high speed and has the advantages of simple system structure, small yawp inference on a signal access, large bandwidth and small signal attenuation.
Description
Technical field
The present invention is a kind of novel high speed turntable based on fiber rotation connector.
Background technology
Turntable is the key instrument that inertial navigator and aircraft carry out environmental experiment as the accurate electromechanical equipment of a class complexity.The current turntable precision of generally using is very low, volume is big, response speed is slow, this is because these turntables generally are the electric slip ring transmission signals by Mechanical Contact, because the high frequency noise that causes in multiple factors such as the instability of the local contact resistance of Mechanical Contact and the electrostatic interference in the circuit, magnetic interference, electric current and voltage mutation disturbance has influenced the collection and the utilization of useful signal, and in multipath transmission between power lead and the signal wire and have crosstalk noise between each signal wire.Eliminating interference noise needs good shielding measure and complicated signal processing circuit, has so but increased the complexity and the instability of system.
The fast development of navigation instrument and other aircraft requires performances such as the precision of turntable and rotating speed also must increase substantially, but is conflicting between its precision and the rotating speed in current turntable scheme.For head it off, the present invention adopts the joints of optical fibre to come the transmission measurement signal, uses electric slip ring through-put power power supply simultaneously.Because the rotor and the stator of fiber rotation connector are contactless couplings, and light signal do not have between each path when transmitting in optical fiber and crosstalks, so the noise of measuring-signal is reduced to minimum.Large power supply is subjected to annoyance level little and optical signal transmission power is big inadequately, therefore still transmits power supply with electric slip ring.The present invention adopts this scheme, has improved the transmission quality of measuring-signal greatly, provides scheme preferably for realizing high-precision high-speed rate turntable.
Summary of the invention
The purpose of this invention is to provide a kind of high speed turntable device based on fiber rotation connector.
High speed turntable device based on fiber rotation connector has pedestal, on pedestal, be provided with round induction synchrometer successively, the accurate hollow spindle of T type, rotary table, be provided with coupling shaft in the accurate hollow spindle of T type, the coupling shaft lower end is provided with the regular hexagon skirt, be provided with the 3rd bearing between the coupling shaft outside and the accurate hollow spindle of the T type inboard, electric slip ring, second bearing, the coupling shaft upper end is provided with coupling shaft fixed orifice and groove, be provided with fiber rotation connector in the coupling shaft groove, be provided with clutch shaft bearing between the T type accurate hollow spindle outside and the pedestal, pedestal is provided with servomotor, servomotor is connected by the accurate hollow spindle of gear set and T type, and pedestal and rotary table are provided with pedestal photoelectricity-electrooptic conversion module, turntable photoelectricity-electrooptic conversion module.
Described rotary table is a circular platform, and the center is porose to be communicated with up and down, and there is a protruding axle lower surface center, and protruding axle is nested with the accurate hollow spindle of T type at accurate hollow spindle and is connected.Axle head is provided with the shirt rim on the accurate hollow spindle of T type, and the shirt rim is that regular hexagon is fixing and closely cooperate with the rotary table bottom, and the axial wall of T type precision hollow spindle is provided with the first accurate hollow spindle fixed orifice, the second accurate hollow spindle fixed orifice.The stator of round induction synchrometer is fixed on the pedestal top, and the rotor of round induction synchrometer is connected on the accurate hollow spindle of T type.Fiber rotation connector inside is provided with two single-mode fiber input and output and forms bi-directional path.Respectively there is a variable refractivity lens on stator in the fiber rotation connector and rotor both sides.The rotor of fiber rotation connector is fixed on the second accurate hollow spindle fixed orifice place by device for fastening.The electric slip ring rotor is nested with in the stator outside, and is fixed on the first accurate hollow spindle fixed orifice place, and the position of electric slip ring is below fiber rotation connector.
Existing turntable is to use the electric slip ring transmission signals mostly, but electric slip ring is a kind of system of the form transmission signals with Mechanical Contact, the material of contact portion, contact form, contact pressure and moment all can have influence on contact resistance and make the transmission signals instability under the high speed rotating, form high frequency noise, also exist a large amount of electrostatic interference between each road signal, electromagnetic interference (EMI), also have very strong crosstalking simultaneously between power supply and the measurement and control signal, and electric slip ring system signal bandwidth is little, signal is decayed easily, more than these problems all limited the rotating speed and the precision of turntable.Fiber rotation connector among the present invention utilizes miniature GRIN Lens coupling optical signal, the contactless fluctuation that can not produce contact resistance between rotor stator, the influence that Optical Fiber Transmission is not crosstalked by electromagnetic interference (EMI) and circuit, the possibility of having avoided weak signal influenced by electromagnetic interference (EMI) and high frequency noise.So owing to be not subject to disturb with the conducting slip ring transmission, the contact number of rings that has reduced conducting slip ring has so promptly reduced moment of friction, helps the raising of turntable steady state accuracy for large power supply.Light-path has very big bandwidth simultaneously, and signal attenuation is little, and the present invention utilizes time-multiplexed communication system to make two optical fibre channels of fiber rotation connector realize the transmitted in both directions of multiple signals.
Description of drawings
Fig. 1 is the high speed turntable device synoptic diagram that revolves breakout box based on light of the present invention;
Fig. 2 is the accurate hollow spindle synoptic diagram of turntable of the present invention;
Fig. 3 is a turntable coupling shaft synoptic diagram of the present invention;
Fig. 4 is a fiber rotation connector synoptic diagram in the turntable of the present invention;
Fig. 5 is an electric slip ring synoptic diagram in the turntable of the present invention;
Among the figure: based on the high speed turntable 1 of fiber rotation connector, rotary table 2, accurate hollow spindle 3, round induction synchrometer 4, pedestal 5, pedestal photoelectricity-electrooptic conversion module 6, clutch shaft bearing 7, second bearing 8, coupling shaft 9, fiber rotation connector 10, electric slip ring 11, the 3rd bearing 12, servomotor 13, gear set 14, turntable photoelectricity-electrooptic conversion module 15, data line hole 16, the first accurate hollow spindle fixed orifice 17, the second accurate hollow spindle fixed orifice 18, coupling shaft fixed orifice 19, fiber rotation connector stator 20, fiber rotation connector rotor 21, fiber rotation connector device for fastening 22, electric slip ring rotor 23, electric slip ring stator 24.
Embodiment
As shown in Figure 1, high speed turntable device 1 based on fiber rotation connector has pedestal 5, on pedestal 5, be provided with round induction synchrometer 4 successively, the accurate hollow spindle 3 of T type, rotary table 2, be provided with coupling shaft 9 in the accurate hollow spindle 3 of T type, coupling shaft 9 lower ends are provided with the regular hexagon skirt, the accurate hollow spindle of coupling shaft 9 outsides and T type is provided with the 3rd bearing 12 between 3 inboards, electric slip ring 11, second bearing 8, coupling shaft 9 upper ends are provided with coupling shaft fixed orifice 19 and groove, be provided with fiber rotation connector 10 in the coupling shaft groove, be provided with clutch shaft bearing 7 between accurate hollow spindle 3 outsides of T type and the pedestal 5, pedestal 5 is provided with servomotor 13, servomotor 13 is connected by the accurate hollow spindle 13 of gear set 14 and T type, and pedestal 5 and rotary table 2 are provided with pedestal photoelectricity-electrooptic conversion module 6, turntable photoelectricity-electrooptic conversion module 15.
Rotary table 2 is circular platforms, and the center has through hole to be communicated with up and down, and there is a protruding axle lower surface center, and protruding axle is nested with the accurate hollow spindle 3 of T type at accurate hollow spindle and is connected.
The stator of round induction synchrometer 4 is fixed on pedestal 5 tops, and the rotor of round induction synchrometer 4 is connected on the accurate hollow spindle 3 of T type.
As shown in Figure 2, axle head is provided with the shirt rim on the accurate hollow spindle 3 of T type, the shirt rim is that regular hexagon and rotary table 2 bottoms are fixed and closely cooperated, and the axial wall of the accurate hollow spindle 3 of T type is provided with first accurate hollow spindle fixed orifice 17, the second accurate hollow spindle fixed orifice 18.
As shown in Figure 4, fiber rotation connector 10 inside are provided with two single-mode fiber input and output and form bi-directional path.Stator in the fiber rotation connector 10 and rotor both sides respectively include a variable refractivity lens.The rotor 21 of fiber rotation connector 10 is fixed on the second accurate hollow spindle fixed orifice, 18 places by device for fastening 22.Fiber rotation connector 10 is used for the transmitting high speed measurement and control signal.
As shown in Figure 5, electric slip ring 11 rotors are nested with in the stator outside, and are fixed on the first accurate hollow spindle fixed orifice, 17 places, and the position of electric slip ring 11 is below fiber rotation connector 10.Electric slip ring 11 transmits multiple signals by stator and rotor, and only is used to transmit power supply.
Pedestal photoelectricity-electrooptic conversion module 6 and turntable photoelectricity-electrooptic conversion module 15 are realized the signal bi-directional path, photoelectricity-electrooptic conversion module comprises the single fiber transceiver elements, on a module, can carry out the mutual conversion of electric signal and light signal, can realize electric signal is changed into the light signal of Optical Fiber Transmission, can will change electric signal into simultaneously by the light signal of fiber rotation connector 10.On turntable, the output signal of surveying instrument is a multi-path parallel signal, signal carry out earlier the time division multiplex conversion will walk abreast the input signal be converted to serial data in order and it carried out numerical coding, give turntable photoelectricity-electrooptic conversion module 15 with this digital data transmission, by this module can be light signal with electrical signal conversion, be transferred on the pedestal 5 by fiber rotation connector 10, be converted into the electric signal of serial again by pedestal photoelectricity-electrooptic conversion module 6 from the light signal of fiber rotation connector stator 20 output, separating time division multiplex at last becomes multi-path parallel signal for the postorder processing of circuit.
Claims (8)
1. high speed turntable device based on fiber rotation connector, it is characterized in that high speed turntable device (1) has pedestal (5), on pedestal (5), be provided with round induction synchrometer (4) successively, the accurate hollow spindle (3) of T type, rotary table (2), be provided with coupling shaft (9) in the accurate hollow spindle of T type (3), coupling shaft (9) lower end is provided with the regular hexagon skirt, be provided with the 3rd bearing (12) between coupling shaft (9) outside and the accurate hollow spindle (3) of the T type inboard, electric slip ring (11), second bearing (8), coupling shaft (9) upper end is provided with coupling shaft fixed orifice (19) and groove, be provided with fiber rotation connector (10) in the coupling shaft groove, be provided with clutch shaft bearing (7) between the accurate hollow spindle of T type (3) outside and the pedestal (5), pedestal (5) is provided with servomotor (13), servomotor (13) is connected with the accurate hollow spindle of T type (13) by gear set (14), and pedestal (5) and rotary table (2) are provided with pedestal photoelectricity one electrooptic conversion module (6), turntable photoelectricity-electrooptic conversion module (15)
2. a kind of high speed turntable device as claimed in claim 1 based on fiber rotation connector, it is characterized in that described rotary table (2) is a circular platform, the center has through hole to be communicated with up and down, there is a protruding axle lower surface center, and protruding axle is nested with the accurate hollow spindle of T type (3) at the accurate hollow spindle of T type (3) and is connected.
3. a kind of high speed turntable device as claimed in claim 1 based on fiber rotation connector, it is characterized in that the last axle head of the accurate hollow spindle of described T type (3) is provided with the shirt rim, the shirt rim is that regular hexagon and rotary table (2) bottom is fixing and closely cooperate, and the axial wall of the accurate hollow spindle of T type (3) is provided with the first accurate hollow spindle fixed orifice (17), the second accurate hollow spindle fixed orifice (18).
4. a kind of high speed turntable device as claimed in claim 1 based on fiber rotation connector, the stator that it is characterized in that described round induction synchrometer (4) is fixed on pedestal (5) top, and the rotor of round induction synchrometer (4) is connected on the accurate hollow spindle of T type (3).
5. a kind of high speed turntable device based on fiber rotation connector as claimed in claim 1 is characterized in that described fiber rotation connector (10) inside is provided with two single-mode fiber input and output and forms bi-directional path.
6. a kind of high speed turntable device based on fiber rotation connector as claimed in claim 1 is characterized in that stator and the rotor both sides in the described fiber rotation connector (10) respectively include a variable refractivity lens.
7. a kind of high speed turntable device based on fiber rotation connector as claimed in claim 1, the rotor (21) that it is characterized in that described fiber rotation connector (10) is fixed on the second accurate hollow spindle fixed orifice (18) by device for fastening (22) and locates.
8. a kind of high speed turntable device as claimed in claim 1 based on fiber rotation connector, the position that it is characterized in that described electric slip ring (11) is in fiber rotation connector (10) below, electric slip ring (11) rotor is nested with in stator outside, and is fixed on the first accurate hollow spindle fixed orifice (17) and locates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101648492A CN100523896C (en) | 2007-12-27 | 2007-12-27 | Novel high speed rotating platform based on optical fiber rotating connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101648492A CN100523896C (en) | 2007-12-27 | 2007-12-27 | Novel high speed rotating platform based on optical fiber rotating connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101221269A true CN101221269A (en) | 2008-07-16 |
| CN100523896C CN100523896C (en) | 2009-08-05 |
Family
ID=39631222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101648492A Expired - Fee Related CN100523896C (en) | 2007-12-27 | 2007-12-27 | Novel high speed rotating platform based on optical fiber rotating connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100523896C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487895A (en) * | 2013-09-22 | 2014-01-01 | 上海电控研究所 | Coaxial speed changing rotary structure of multi-channel optical fiber rotary connector |
| CN105345493A (en) * | 2015-11-19 | 2016-02-24 | 中国航空工业集团公司北京航空精密机械研究所 | Flattening high-precision double-shaft rotary table for part manufacturing |
| CN105697561A (en) * | 2016-03-31 | 2016-06-22 | 陕西宝成航空仪表有限责任公司 | Rotating device for fixing rotator where inertial element is located in axial floating manner and radial pre-tightening manner |
| US9551840B2 (en) | 2012-09-25 | 2017-01-24 | Bae Systems Plc | Provision of an optical rotating joint installation |
| CN108337924A (en) * | 2017-05-23 | 2018-07-27 | 深圳富视安智能科技有限公司 | A kind of monitoring device |
| CN112782431A (en) * | 2021-04-10 | 2021-05-11 | 成都飞机工业（集团）有限责任公司 | Target positioning turntable system for reducing electromagnetic interference |
| CN112798140A (en) * | 2020-12-23 | 2021-05-14 | 成都伊莱特光测科技有限公司 | Hydraulic turbine rotor signal extraction device and system based on optical fiber sensing |
| CN114088436A (en) * | 2021-10-25 | 2022-02-25 | 武汉理工大学 | Health monitoring and fault diagnosis system for large-scale rotating machinery structure |
| CN115097574A (en) * | 2022-06-10 | 2022-09-23 | 中航光电科技股份有限公司 | Optical fiber rotary connector |
| CN114088436B (en) * | 2021-10-25 | 2024-05-03 | 武汉理工大学 | Large-scale rotating machinery structure health monitoring and fault diagnosis system |
-
2007
- 2007-12-27 CN CNB2007101648492A patent/CN100523896C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2901187B2 (en) † | 2012-09-25 | 2022-11-02 | BAE Systems PLC | Provision of an optical rotating joint installation |
| US9551840B2 (en) | 2012-09-25 | 2017-01-24 | Bae Systems Plc | Provision of an optical rotating joint installation |
| EP2901187B1 (en) | 2012-09-25 | 2020-04-22 | BAE Systems PLC | Provision of an optical rotating joint installation |
| CN103487895A (en) * | 2013-09-22 | 2014-01-01 | 上海电控研究所 | Coaxial speed changing rotary structure of multi-channel optical fiber rotary connector |
| CN105345493A (en) * | 2015-11-19 | 2016-02-24 | 中国航空工业集团公司北京航空精密机械研究所 | Flattening high-precision double-shaft rotary table for part manufacturing |
| CN105345493B (en) * | 2015-11-19 | 2018-08-24 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of flattening high-precision dual-axis turntable for part processing |
| CN105697561A (en) * | 2016-03-31 | 2016-06-22 | 陕西宝成航空仪表有限责任公司 | Rotating device for fixing rotator where inertial element is located in axial floating manner and radial pre-tightening manner |
| CN108337924A (en) * | 2017-05-23 | 2018-07-27 | 深圳富视安智能科技有限公司 | A kind of monitoring device |
| WO2018214026A1 (en) * | 2017-05-23 | 2018-11-29 | 深圳富视安智能科技有限公司 | Monitoring apparatus |
| CN112798140A (en) * | 2020-12-23 | 2021-05-14 | 成都伊莱特光测科技有限公司 | Hydraulic turbine rotor signal extraction device and system based on optical fiber sensing |
| CN112782431A (en) * | 2021-04-10 | 2021-05-11 | 成都飞机工业（集团）有限责任公司 | Target positioning turntable system for reducing electromagnetic interference |
| CN112782431B (en) * | 2021-04-10 | 2021-08-03 | 成都飞机工业（集团）有限责任公司 | Target positioning turntable system for reducing electromagnetic interference |
| CN114088436A (en) * | 2021-10-25 | 2022-02-25 | 武汉理工大学 | Health monitoring and fault diagnosis system for large-scale rotating machinery structure |
| CN114088436B (en) * | 2021-10-25 | 2024-05-03 | 武汉理工大学 | Large-scale rotating machinery structure health monitoring and fault diagnosis system |
| CN115097574A (en) * | 2022-06-10 | 2022-09-23 | 中航光电科技股份有限公司 | Optical fiber rotary connector |
| CN115097574B (en) * | 2022-06-10 | 2023-11-14 | 中航光电科技股份有限公司 | Optical fiber rotary connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100523896C (en) | 2009-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100523896C (en) | Novel high speed rotating platform based on optical fiber rotating connector | |
| EP2688078A1 (en) | Contactless power and data transfer | |
| CN203786345U (en) | Light emitter packaging structure | |
| CN109238320B (en) | Fiber grating sensing demodulation system and method based on edge filtering and time division multiplexing | |
| CN207780229U (en) | A kind of laser scanning range-finding device | |
| CN115127535B (en) | Optical fiber gyroscope based on mode division multiplexing and precision improving method thereof | |
| CN109186581A (en) | It is a kind of that integrated optical fiber gyroscope is multiplexed without the microminiature of refrigeration light source based on 850nm | |
| CN101936785A (en) | Wireless temperature-measuring system of motor rotor | |
| IE38021L (en) | Optical inspection apparatus. | |
| CN105492956A (en) | Apparatus and method for feedback system for optical switch controller | |
| JP2009505899A (en) | Improved aircraft engine primary strut structure | |
| CN107515449B (en) | A kind of multi-channel high-speed rate optical module structure and processing method | |
| CN102931452B (en) | A kind of method of telescopic coaxial phase and the method for making telescopic coaxial phase device | |
| CN102684789B (en) | Off-axis rotating optical communication system | |
| CN111758048A (en) | Laser radar system, operating method for a laser radar system and operating device | |
| CN205404899U (en) | Rotatory light electrical slip ring | |
| JP2015508585A (en) | Modular device for optical communication module | |
| CN113346628A (en) | Bidirectional optical communication and wireless power supply single-shaft rotation inertial navigation system | |
| CN201672929U (en) | Gear transmission mechanism of photomagnetic mixed multiturn rotary encoder | |
| CN205847283U (en) | Non-contact communication device | |
| CN103995321A (en) | Device for transmitting signals between two rotatable modules | |
| CN106452463A (en) | Signal processing device, rotary transformer signal collection simulation system and method | |
| CN110299656B (en) | Machine axis system, rotary/pivoting unit and method for transmitting electric energy and information | |
| CN209387059U (en) | A kind of high-precision flame-proof mine rotary measurement device | |
| CN104374503A (en) | Explosion-proof motor rotor stress measurement device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090805 Termination date: 20131227 |