CN201155325Y - Rotating inertia body for optical fibre gyroscope continuous gradient meter - Google Patents
Rotating inertia body for optical fibre gyroscope continuous gradient meter Download PDFInfo
- Publication number
- CN201155325Y CN201155325Y CNU2007203058211U CN200720305821U CN201155325Y CN 201155325 Y CN201155325 Y CN 201155325Y CN U2007203058211 U CNU2007203058211 U CN U2007203058211U CN 200720305821 U CN200720305821 U CN 200720305821U CN 201155325 Y CN201155325 Y CN 201155325Y
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- optical fibre
- fibre gyro
- rotating mechanism
- slip ring
- continuous inclinometer
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Abstract
The utility model provides a rotation inertia body used for a fibre gyro continuous inclinometer, comprising an external shell, a rotation mechanism which is arranged inside the external shell, and a driving mechanism used for driving the rotation mechanism; the rotation mechanism comprises a cool storage body, a fibre gyro which is connected with the cool storage body, and an accelerometer along X-direction, Y-direction and Z-direction and an encoder which are arranged in the rotation mechanism; the rotation inertia body is characterized in that the fibre gyro comprises a gyro disposal circuit board, a coupler, a detector, an axial fibre sensor, a radial fibre sensor, a counterweight plate and a light source which are respectively arranged on the fibre gyro body. The fibre gyro which is used by the rotation inertia body of the utility model used for the fibre gyro continuous inclinometer uses only two fibre sensors, and reduces the volume of the rotation inertia body and the manufacturing cost of the fibre gyro continuous inclinometer. The connection of each part adopts transition fit, thus ensuring the convenient installation and the coaxiality of the whole structure.
Description
Technical field
The utility model relates to a kind of optical fibre gyro continuous inclinometer, particularly a kind of rotatory inertia body that is used for the optical fibre gyro continuous inclinometer.
Background technology
Gyrolevel is the main survey tool that cased well etc. has magnetic disturbance oil well well track.The gyrolevel that uses both at home and abroad mainly adopts mechanical gyro to measure hole deviation and azimuth as angular-rate sensor at present.Since the mechanical type gyrolevel by the gyro machine of frame support, at a high speed rotation, frame support dangle and brush assembly of electric is formed, make this class deviational survey instrument exist complex structure, fragile, shock resistance is poor, the life-span is short, drift is big, the shortcoming of low precision and operating maintenance inconvenience.
Adopt optical fibre gyro acquisition angle velocity information in the continuous fiber gyrolevel for oil well, adopt accelerometer to gather the ratio force information in relative inertness space.The optical fibre gyro inclinometer has the precision height, uses reliable, characteristics such as assembling is simple, applied range.Both can be used for carrying out open-hole measurement, and also can be used for the measurement of cased well, it has application space very widely in the field of old well repetition measurement.The optical fibre gyro inclinometer has adopted high-quality quartz flexible accelerometer and high-precision optical fiber gyro instrument.
The rotatory inertia body that is used for the optical fibre gyro continuous inclinometer is the core component of optical fibre gyro inclinometer.The inertia measurement combination that existing optical fibre gyro inclinometer majority all adopts three-axis gyroscope and three axis accelerometer to form uses three-axis gyroscope and three axis accelerometer to make the volume of optical fibre gyro become big, and cost increases.The light source of existing three axis optical fibre gyro and drive circuit thereof and Fibre Optical Sensor and treatment circuit thereof are all in same cavity, because the light source of optical fibre gyro will produce certain heat in the course of the work, particularly light source power consumption under the higher environment of temperature becomes big, make the aggravation of light source self-heating, Fibre Optical Sensor is caused certain influence.
The utility model content:
The utility model is intended to overcome above-mentioned shortcoming of the prior art, and a kind of rotatory inertia body that is used for the optical fibre gyro continuous inclinometer is provided.
A kind of rotatory inertia body that is used for the optical fibre gyro continuous inclinometer according to the utility model provides comprises: shell body, be installed in rotating mechanism in the described shell body, drive the driving mechanism and the supporter of described rotating mechanism.Described rotating mechanism comprises: cold storage body, the fibre optic gyroscope that links to each other with described cold storage body, be installed in X, Y in the described rotating mechanism, Z to accelerometer, encoder and slip ring.Described fibre optic gyroscope comprises: be installed in gyro treatment circuit circuit board, coupler, probe, axial optical fiber sensor, radial light fiber sensor, Weight plate and light source on the described fibre optic gyroscope body respectively.
Described driving mechanism comprises motor, the two-stage gear that is connected with described motor, and described two-stage gear links to each other with the bottom of described rotating mechanism.
Described rotating mechanism also comprises the rotary body connecting cylinder, and described rotary body connecting cylinder links together each parts of described rotating mechanism.
External surface at described shell body is provided with trough and bundling trough.
Described trough is four, and is in 90 °.
Slip ring and outer slip ring in described slip ring comprises, the interior slip ring of described slip ring connects with rotating mechanism and can rotate with rotating mechanism, and the outer slip ring of described slip ring is connected with supporter.
Be provided with brush between slip ring and the outer slip ring in described.
Described fibre optic gyroscope also comprises shielding cylinder, described gyro treatment circuit circuit board, described coupler, described probe, described axial optical fiber sensor, described radial light fiber sensor and described Weight plate are installed in the shielding cylinder, and described light source is installed in outside the described shielding cylinder.
Described light source links to each other with described cold storage body.
Compared with prior art have following advantage according to a kind of rotatory inertia body that is used for the optical fibre gyro continuous inclinometer of the present utility model:
1, the employed fibre optic gyroscope of rotatory inertia body that is used for the optical fibre gyro continuous inclinometer described in the utility model only uses axial optical fiber sensor, two Fibre Optical Sensors of radial light fiber sensor, not only reduce the volume of rotatory inertia body, and reduced the manufacturing cost of optical fibre gyro continuous inclinometer.
2, the gear of the rotary body of the rotatory inertia body that is used for the optical fibre gyro continuous inclinometer described in the utility model adopt the double reduction structure in the rotary speed that reduces motor simultaneously in order to increase the output torque of motor, help easily driving the rotating mechanism rotation.
3, linking to each other of each parts of rotatory inertia body that are used for the optical fibre gyro continuous inclinometer described in the utility model all adopts interference fits not only to guarantee easy for installation but also guaranteed the axiality of total.
4, the described rotatory inertia body that is used for the optical fibre gyro continuous inclinometer of utility model is designed to the cabling of motor " outer cabling ", has solved the problem of the part winding that produces because of motor lines.
Description of drawings
Fig. 1 is the rotatory inertia body structure schematic diagram that is used for the optical fibre gyro continuous inclinometer;
Fig. 2 is the optical fibre gyro structural representation that is used for the optical fibre gyro continuous inclinometer;
Fig. 3 is the rotatory inertia body case body structure schematic diagram that is used for the optical fibre gyro continuous inclinometer.
The specific embodiment:
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented components identical.Be used to explain the utility model below by the embodiment that is described with reference to the drawings, described embodiment is exemplary, and can not be interpreted as restriction of the present utility model.
Fig. 1 shows the rotatory inertia body structure schematic diagram that is used for the optical fibre gyro continuous inclinometer.Referring to Fig. 1, a kind of optical fibre gyro that is used for the optical fibre gyro continuous inclinometer according to the utility model provides comprises: shell body 10, be installed in rotating mechanism 1 in the described shell body 10, the driving mechanism 2 that drives described rotating mechanism 1 comprises with supporter 8. described rotating mechanisms: cold storage body 3, the fibre optic gyroscope 4 that links to each other with described cold storage body 3, be installed in X, Y in the described rotating mechanism, Z to accelerometer 51,52,53, encoder 6 and slip ring 7.Need to prove that the utility model is designed to the two-part structure with the core rotatory inertia body of optical fibre gyro continuous inclinometer, make the structure of whole optical fibre gyro continuous inclinometer compact more, space utilization is more reasonable.
Fig. 2 shows the optical fibre gyro structural representation that is used for the optical fibre gyro continuous inclinometer, referring to Fig. 2, described fibre optic gyroscope 4 comprises: be installed in gyro treatment circuit circuit board 41, coupler 42, probe 43, axial optical fiber sensor 44, radial light fiber sensor 45, Weight plate 46 and light source 47 on described fibre optic gyroscope 4 bodies respectively.The utility model fibre optic gyroscope only uses axial optical fiber sensor 44,45 two sensors of radial light fiber sensor, compare with three Fibre Optical Sensor fibre optic gyroscopes of use or optical fibre gyro combination, not only save space, rationally distributed, and reduced production and maintenance cost.
Referring to Fig. 2, according to further embodiment of the present utility model, described driving mechanism 2 comprise motor 21, with the two-stage gear 22 that described motor 21 is connected, described two-stage gear 22 links to each other with the bottom of described rotating mechanism 1.What need to prove secondary gear 22 employings of the present utility model is the double reduction structure.Adopt slowing-down structure be for the rotary speed that reduces motor 21 simultaneously in order to increase the output torque of motor 21, help easily driving rotating mechanism 1 rotation, motor shaft links together with rotating mechanism 1 bottom by the two-stage gear, realizes that with this driving mechanism driven rotary mechanism rotates together.
Referring to the foregoing description, according to further embodiment of the present utility model, described rotating mechanism 1 also comprises rotary body connecting cylinder 11, and described rotary body connecting cylinder 11 links together described rotating mechanism 1 each parts.More specifically, rotary body connecting cylinder 11 is the supporting seat of rotating mechanism 1 each parts, and rotating mechanism is heavily gone up under each sub-unit gently respectively with the rolling ball bearing supporting at two ends about in the of 1, and rotational stability is preferably arranged, and is easy to control.Built-in structural member all is designed to centre symmetry, and design had both reduced the load torque like this, simultaneously also makes structure that better alignment is arranged, and interference fits is all adopted in linking to each other of each parts, has not only guaranteed easy for installation but also has guaranteed the axiality of total.
Fig. 3 shows the rotatory inertia body case body structure schematic diagram that is used for the optical fibre gyro continuous inclinometer.
Referring to Fig. 3, according to further embodiment of the present utility model, the external surface of described shell body 10 is provided with trough 23 and bundling trough 24.Described trough 23 is four, and is in 90 °.Particularly, rotating mechanism connecting cylinder 11 is the supporting seat of above each parts, and is therefore very high to the required precision of rotary body connecting cylinder 11, and the electric heart yearn routing problem of instrument also becomes difficult point simultaneously, and electric heart yearn will twine because of the rotation of rotary body.The utility model is designed to the cabling of motor 21 " outer cabling ", twine problem with thoroughly getting rid of the part that produces because of motor lines, further, can vertically process four troughs 23 that the dark 1.5mm of wide 3mm is in 90 ° at the external surface of shell body, at the corresponding bundling trough 24 of 50mm place, external surface lateral separation processing, after the lead colligation, use general glue glued adhesion, locking, anticreep, and require not expose the external surface of shell body during cabling, in order to packing into of heat-preservation cylinder.
According to further embodiment of the present utility model, slip ring 7 is installed in described rotating mechanism 1 upper end.Slip ring 71 and outer slip ring 72 in described slip ring comprises, described interior slip ring 71 connects with rotating mechanism 1 and can rotate with rotating mechanism 1, and described outer slip ring 72 links to each other with supporter 8, and supporter is connected with shell body 10 again.Be provided with brush between slip ring 71 and the described outer slip ring 72 in described.Particularly, the electric heart yearn winding problem that solves the Fibre Optical Sensor combination is more complicated, because the internal electrical heart yearn is more, the winding degree is very serious, so the utility model has adopted slip ring 7 to solve this problem on structure design.Interior slip ring 71 is along with rotating mechanism 1 rotates together; outer slip ring 72 links to each other with supporter 8; the slip ring lead linked to each other by brush with outer slip ring lead in supporter was connected with shell body 10 again; adopt brush to realize the transmission of signal. such design has not only solved rotating part and the coiling problem between the kinetoplast not; save a lot of controlling units, also circuit is played corresponding protective effect simultaneously.Rotary body topmost is a photoelectric encoder, and its power shaft links together by connecting axle and rotary body rotating shaft, to realize the angle measurement function in the system applies.
According to further embodiment of the present utility model, described fibre optic gyroscope also comprises shielding cylinder 48, described gyro treatment circuit circuit board 41, described coupler 42, described probe 43, described axial optical fiber sensor 44, described radial light fiber sensor 45 and described Weight plate 46 are installed in the shielding cylinder, and described light source 47 is installed in outside the described shielding cylinder.Described light source 47 is installed in the outer influence that can avoid 47 pairs of Fibre Optical Sensors of light source of described shielding cylinder, and described light source 47 links to each other with described cold storage body 3 and can make light source that suitable operating temperature is arranged, thereby makes the stable working state of light source 47.
Claims (9)
1, a kind of rotatory inertia body that is used for the optical fibre gyro continuous inclinometer, comprise: shell body (10), be installed in the rotating mechanism (1) in the described shell body (10), drive the driving mechanism (2) and the supporter (8) of described rotating mechanism (1), described rotating mechanism comprises: cold storage body (3), the fibre optic gyroscope (4) that links to each other with described cold storage body (3), be installed in the X in the described rotating mechanism, Y, Z is to accelerometer (51) (52) (53), encoder (6) and slip ring (7) is characterized in that: described fibre optic gyroscope (4) comprising: be installed in the gyro treatment circuit circuit board (41) on described fibre optic gyroscope (4) body respectively, coupler (42), probe (43), axial optical fiber sensor (44), radial light fiber sensor (45), Weight plate (46) and light source (47).
2, the rotatory inertia body that is used for the optical fibre gyro continuous inclinometer according to claim 1, it is characterized in that: described driving mechanism (2) comprises motor (21), the two-stage gear (22) that is connected with described motor (21), and described two-stage gear (22) links to each other with the bottom of described rotating mechanism (1).
3, the rotatory inertia body that is used for the optical fibre gyro continuous inclinometer according to claim 1, it is characterized in that: described rotating mechanism (1) also comprises rotary body connecting cylinder (11), and described rotary body connecting cylinder (11) links together each parts of described rotating mechanism (1).
4, according to claim 1 or the 3 described rotatory inertia bodies that are used for the optical fibre gyro continuous inclinometer, it is characterized in that: the external surface at described shell body (10) is provided with trough (23) and bundling trough (24).
5, the rotatory inertia body that is used for the optical fibre gyro continuous inclinometer according to claim 4, it is characterized in that: described trough (23) is four, and is in 90 °.
6, according to claim 1 or the 3 described rotatory inertia bodies that are used for the optical fibre gyro continuous inclinometer, it is characterized in that: described slip ring (7) comprises interior slip ring (71) and outer slip ring (72), in described slip ring (71) connect with rotating mechanism (1) and can and rotating mechanism (1) rotation, described outer slip ring (72) is connected with supporter (8).
7, the rotatory inertia body that is used for the optical fibre gyro continuous inclinometer according to claim 6 is characterized in that: be provided with brush between slip ring (71) and the described outer slip ring (72) in described.
8, the rotatory inertia body that is used for the optical fibre gyro continuous inclinometer according to claim 1, it is characterized in that: described fibre optic gyroscope also comprises shielding cylinder (48), described gyro treatment circuit circuit board (41), described coupler (42), described probe (43), described axial optical fiber sensor (44), described radial light fiber sensor (45) and described Weight plate (46) are installed in the shielding cylinder, and described light source (47) is installed in outside the described shielding cylinder.
9, the rotatory inertia body that is used for the optical fibre gyro continuous inclinometer according to claim 8 is characterized in that: described light source (47) links to each other with described cold storage body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203058211U CN201155325Y (en) | 2007-11-21 | 2007-11-21 | Rotating inertia body for optical fibre gyroscope continuous gradient meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203058211U CN201155325Y (en) | 2007-11-21 | 2007-11-21 | Rotating inertia body for optical fibre gyroscope continuous gradient meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155325Y true CN201155325Y (en) | 2008-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203058211U Expired - Lifetime CN201155325Y (en) | 2007-11-21 | 2007-11-21 | Rotating inertia body for optical fibre gyroscope continuous gradient meter |
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| CN (1) | CN201155325Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634221A (en) * | 2008-07-23 | 2010-01-27 | 航天科工惯性技术有限公司 | Method for extracting angular rate by accelerometers and clinometer adopting same |
| CN101876244A (en) * | 2010-06-03 | 2010-11-03 | 西安思坦仪器股份有限公司 | Inertia measuring unit and continuous inclinometer for dynamically tuned gyroscope |
| CN102155214A (en) * | 2011-01-17 | 2011-08-17 | 禹栽星 | Detection device for gyrolevel |
| CN105952442A (en) * | 2016-07-04 | 2016-09-21 | 河北稳控科技有限公司 | Wheel track adjustable splitting type inclinometer |
| CN106121630A (en) * | 2016-06-15 | 2016-11-16 | 北京科技大学 | A kind of single-axis servo continuous inclinometer Inertial Measurement Unit |
| CN106989760A (en) * | 2017-04-27 | 2017-07-28 | 上海吉通力实验设备有限公司 | Rotate high-low temperature test chamber |
| CN109387201A (en) * | 2017-08-07 | 2019-02-26 | 航天科工惯性技术有限公司 | It is a kind of for it is small-sized with bore gyrolevel inserting tube structure |
| CN109577950A (en) * | 2018-12-04 | 2019-04-05 | 贵州航天凯山石油仪器有限公司 | The improved mounting structure of slip ring in a kind of optic fiber gyroscope inclinometer |
| CN114658419A (en) * | 2020-12-23 | 2022-06-24 | 航天科工惯性技术有限公司 | Inclinometer while drilling and inclination measurement method while drilling |
-
2007
- 2007-11-21 CN CNU2007203058211U patent/CN201155325Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634221A (en) * | 2008-07-23 | 2010-01-27 | 航天科工惯性技术有限公司 | Method for extracting angular rate by accelerometers and clinometer adopting same |
| CN101876244A (en) * | 2010-06-03 | 2010-11-03 | 西安思坦仪器股份有限公司 | Inertia measuring unit and continuous inclinometer for dynamically tuned gyroscope |
| CN102155214A (en) * | 2011-01-17 | 2011-08-17 | 禹栽星 | Detection device for gyrolevel |
| CN106121630A (en) * | 2016-06-15 | 2016-11-16 | 北京科技大学 | A kind of single-axis servo continuous inclinometer Inertial Measurement Unit |
| CN106121630B (en) * | 2016-06-15 | 2019-06-07 | 北京科技大学 | A kind of single-axis servo continuous inclinometer Inertial Measurement Unit |
| CN105952442A (en) * | 2016-07-04 | 2016-09-21 | 河北稳控科技有限公司 | Wheel track adjustable splitting type inclinometer |
| CN106989760A (en) * | 2017-04-27 | 2017-07-28 | 上海吉通力实验设备有限公司 | Rotate high-low temperature test chamber |
| CN106989760B (en) * | 2017-04-27 | 2023-09-15 | 上海吉通力实验设备有限公司 | Rotary high-low temperature test box |
| CN109387201A (en) * | 2017-08-07 | 2019-02-26 | 航天科工惯性技术有限公司 | It is a kind of for it is small-sized with bore gyrolevel inserting tube structure |
| CN109577950A (en) * | 2018-12-04 | 2019-04-05 | 贵州航天凯山石油仪器有限公司 | The improved mounting structure of slip ring in a kind of optic fiber gyroscope inclinometer |
| CN114658419A (en) * | 2020-12-23 | 2022-06-24 | 航天科工惯性技术有限公司 | Inclinometer while drilling and inclination measurement method while drilling |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081126 |