CN207881709U - High-precision optical fiber gyro azimuth device - Google Patents
High-precision optical fiber gyro azimuth device Download PDFInfo
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- CN207881709U CN207881709U CN201721892652.6U CN201721892652U CN207881709U CN 207881709 U CN207881709 U CN 207881709U CN 201721892652 U CN201721892652 U CN 201721892652U CN 207881709 U CN207881709 U CN 207881709U
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Abstract
The utility model discloses high-precision optical fiber gyro azimuth devices, including optical fibre gyro azimuth device ontology, it is provided with lagging casing outside optical fibre gyro azimuth device ontology, the lagging casing includes heat-barrier material filled layer and vacuum layer, it is provided with lid at the top of lagging casing, wire guide is provided on lid, the signal wire of the optical fibre gyro azimuth device ontology is pierced by from the wire guide of lid, it is filled with heat-barrier material in lid, temperature sensor is additionally provided in lagging casing.High-efficiency insulated shell is installed additional using system outside, so that it is guaranteed that the environment temperature of system work is not increased with the raising of ambient temperature, it is heat-insulated by two layers of two layers of heat-barrier material filled layer and vacuum layer, so that heat insulation is more preferable, to ensure that instrument works normally for a long time, solve due to the temperature in stratum, it then can higher for ultradeep well temperature, ensure the normal work of optical fibre gyro system, it is ensured that the problem of its precision will not be by external influence.
Description
Technical field
The utility model is related to a kind of optical fibre gyro azimuth devices, and in particular to a kind of high-precision optical fiber gyro azimuth device.
Background technology
But due to various reasons, at present both at home and abroad to the research direction and application direction of gyroscope inertial navigation system,
It is concentrated mainly on the aerospaces such as aircraft, guided missile, naval vessels, satellite, spaceship and military field, in oil prospecting, drilling well
The civilian industry field of the low cost such as guiding, the application of gyroscope inertial navigation system or blank out.And optical fibre gyro inertial navigation
Movement-less part possessed by system itself, be unaffected by the magnetic field, impact resistance, simple in structure, small, light-weight, performance is steady
Determine, start short time, low in energy consumption, transient response, precision height, high sensitivity, wide dynamic range, reliability height, long lifespan, cost
Low plurality of advantages, the widely used fluxgate in the undoubtedly alternative current each oil field in the country or mechanical gyroes instrument it is best
Inclinometer for oil well of new generation.
Optic fiber gyroscope inclinometer of new generation is developed in innovation, and success of the optic fiber gyroscope inclinometer in oil reservoir logging is answered
With certainly will replace various traditional inclinometers, dominate oil field at home and log well market, new one is brought to take turns the leather of oil reservoir logging instrument
Life accelerates the paces of China's oil field development, creates more economic values.
Compared with other environment of optical fibre gyro work, optical fibre gyro is influenced by temperature bigger, and oil well environment
Temperature change it is bigger, so fibre optic gyroscope work most important problem be high temperature problem.Due to the temperature in stratum
Gradient is about 3 DEG C/100m, then about 90~150 DEG C of the oil well temperature of 3000~5000m, then can be more for ultradeep well temperature
Height, to ensure the normal work of system, instrument while selecting high temperature resistant optical device, also need to take other handle to its into
Row working environment is stablized, it is ensured that its precision will not be by external influence.
Utility model content
Technical problem to be solved in the utility model is：Since the temperature gradient in stratum is about 3 DEG C/100m, then
About 90~150 DEG C of the oil well temperature of 3000~5000m, for ultradeep well temperature then can higher, for ensure optical fibre gyro system
The normal work of system, instrument also need other is taken to handle and carry out working environment to it while selecting high temperature resistant optical device
Stablize, it is ensured that its precision will not be provided the high-precision optical fiber top to solve the above problems by external influence, the utility model
Spiral shell azimuth device.
The utility model is achieved through the following technical solutions：
High-precision optical fiber gyro azimuth device, including optical fibre gyro azimuth device ontology, in optical fibre gyro azimuth device ontology peripheral hardware
It is equipped with lagging casing, the lagging casing includes heat-barrier material filled layer and vacuum layer, and lid is provided at the top of lagging casing,
Wire guide is provided on lid, the signal wire of the optical fibre gyro azimuth device ontology is pierced by from the wire guide of lid, is filled out in lid
Filled with heat-barrier material.To solve the above problems, using high-efficiency insulated shell is installed additional outside system, so that it is guaranteed that the environment of system work
Temperature is not increased with the raising of ambient temperature, heat-insulated by two layers of heat-barrier material filled layer and vacuum layer so that heat-insulated effect
Fruit is more preferable, to ensure that instrument works normally for a long time, solves since the temperature gradient in stratum is about 3 DEG C/100m, then 3000~
About 90~150 DEG C of the oil well temperature of 5000m, for ultradeep well temperature then can higher, for ensure optical fibre gyro system just
Often work, instrument also need other is taken to handle and carry out working environment stabilization to it while selecting high temperature resistant optical device, really
The problem of preserving the vital essence degree will not be by external influence.
Further, it is additionally provided with temperature sensor in lagging casing.By the way that temperature sensor is arranged to its internal temperature
It is monitored in real time, ensures operating ambient temperature, ensure accurate data.
Further, temperature sensor is AD590.
Further, the material of heat-barrier material filled layer filling is aerogel blanket.Aerogel blanket feature is thermal coefficient
It is low, there are certain tension and compression strength, is convenient for heat preservation construction application.
Further, internal layer of the vacuum layer in lagging casing.
The utility model has the following advantages and advantages：
1, the utility model is using installing high-efficiency insulated shell additional outside system, so that it is guaranteed that the environment temperature of system work not with
It the raising of ambient temperature and increases, it is heat-insulated by two layers of two layers of heat-barrier material filled layer and vacuum layer so that heat insulation is more
It is good, to ensure that instrument works normally for a long time, solve due to the temperature gradient in stratum to be about 3 DEG C/100m, then 3000~
About 90~150 DEG C of the oil well temperature of 5000m, for ultradeep well temperature then can higher, for ensure optical fibre gyro system just
Often work, it is ensured that the problem of its precision will not be by external influence；
2, the utility model monitors its internal temperature by the way that temperature sensor is arranged in real time, ensures working environment temperature
Degree ensures accurate data；
3, the utility model is stuffed heat insulated by using aerogel blanket, its main feature is that thermal coefficient is low, there is certain tension
And compression strength, it is convenient for heat preservation construction application.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the sectional view of the utility model.
Label and corresponding parts title in attached drawing：
1- optical fibre gyro azimuth device ontologies, 2- temperature sensors, 3- heat-barrier material filled layers, 4 vacuum layers, 5- lids, 6-
Signal transducting wire.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, high-precision optical fiber gyro azimuth device, including optical fibre gyro azimuth device ontology 1, in optical fibre gyro orientation
It is provided with lagging casing outside instrument ontology 1, the lagging casing includes heat-barrier material filled layer 3 and vacuum layer 4, lagging casing top
Portion is provided with lid 5, and wire guide, signal wire the leading from lid 5 of the optical fibre gyro azimuth device ontology 1 are provided on lid 5
String holes is pierced by, and heat-barrier material is filled in lid 5；Temperature sensor is additionally provided in lagging casing；Temperature sensor is
AD590；The material that heat-barrier material filled layer 3 is filled is aerogel blanket；Internal layer of the vacuum layer 4 in lagging casing.Using system
Outer installation efficient thermos and temperature detecting unit are so that it is guaranteed that the environment temperature of system work is no more than 80 DEG C, when implementation
Internal system is avoided to generate high temperature damage, systems attempt uses low-power consumption component, to ensure that instrument works normally for a long time.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. high-precision optical fiber gyro azimuth device, including optical fibre gyro azimuth device ontology (1), which is characterized in that in optical fibre gyro side
Lagging casing is provided with outside position instrument ontology (1), the lagging casing includes heat-barrier material filled layer (3) and vacuum layer (4), is protected
Warm cover top portion is provided with lid (5), and wire guide, the signal of the optical fibre gyro azimuth device ontology (1) are provided on lid (5)
Line is pierced by from the wire guide of lid (5), and heat-barrier material is filled in lid (5).
2. high-precision optical fiber gyro azimuth device according to claim 1, which is characterized in that also set up in the lagging casing
There is temperature sensor.
3. high-precision optical fiber gyro azimuth device according to claim 2, which is characterized in that the temperature sensor is
AD590。
4. high-precision optical fiber gyro azimuth device according to claim 1, which is characterized in that the heat-barrier material filled layer
(3) material filled is aerogel blanket.
5. high-precision optical fiber gyro azimuth device according to claim 1, which is characterized in that the vacuum layer (4) is keeping the temperature
The internal layer of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892652.6U CN207881709U (en) | 2017-12-29 | 2017-12-29 | High-precision optical fiber gyro azimuth device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892652.6U CN207881709U (en) | 2017-12-29 | 2017-12-29 | High-precision optical fiber gyro azimuth device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881709U true CN207881709U (en) | 2018-09-18 |
Family
ID=63504863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721892652.6U Active CN207881709U (en) | 2017-12-29 | 2017-12-29 | High-precision optical fiber gyro azimuth device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207881709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986909A (en) * | 2019-12-02 | 2020-04-10 | 北京自动化控制设备研究所 | Temperature control structure of fiber-optic gyroscope and method for using temperature control structure |
-
2017
- 2017-12-29 CN CN201721892652.6U patent/CN207881709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986909A (en) * | 2019-12-02 | 2020-04-10 | 北京自动化控制设备研究所 | Temperature control structure of fiber-optic gyroscope and method for using temperature control structure |
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