CN209485370U - A kind of split type fiber gyro north seeker - Google Patents
A kind of split type fiber gyro north seeker Download PDFInfo
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- CN209485370U CN209485370U CN201821651679.0U CN201821651679U CN209485370U CN 209485370 U CN209485370 U CN 209485370U CN 201821651679 U CN201821651679 U CN 201821651679U CN 209485370 U CN209485370 U CN 209485370U
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Abstract
The utility model discloses a kind of split type fiber gyro north seekers, are made of inertia sensor and display control device.The system inertia sensor includes be orthogonal in the horizontal direction 2 fibre optic gyroscopes of distribution and 2 quartz flexible accelerometers, is rigidly attached on indexing mechanism by T shape bracket, and the measurement of rotational-angular velocity of the earth and acceleration of gravity is responsible for；Display control device is responsible for completing the functions such as internal electric source transformation, resolving, the human-computer interaction of the transposition control of indexing mechanism, course angle and attitude angle.Fiber gyro north seeker is divided into two parts by split-type design by the utility model, and inertia sensor is compact to design, especially suitable for the conditional application in space；Indexable number can be reduced to twice, the sampling time of each position fibre optic gyroscope be doubled, to improve system accuracy from four times in the case where northern case is sought in four positions by arrangement double tops instrument and dual acceleration meter.
Description
(1) technical field:
The present invention relates to inertial technology navigation fields, and in particular to a kind of split type fiber gyro north seeker.
(2) background technique:
Gyroscope north searching instrument is a kind of instrument of principle of inertia realization automated north-seeking using gyro, it can not be by natural item
Part restricts, and realizes round-the-clock, comprehensive, autonomous, quick direction measurement, while also having precision height, stream time long
Many advantages, such as, there is very extensive application prospect.In military field, gyroscope north searching instrument is ensured in Modern Information war
One of quick, motor-driven, precision strike important leverage technology of weapon system.Therefore, many developed countries are high in development in the world
While performance strategy, tactical weapon, a large amount of human and material resources are all put into one after another and carry out high-precision, quick north-seeking system
It develops and develops.Demand of the gyroscope north searching instrument not only in Military Application is more and more, and application is also constantly extending,
More and more wide application prospect is also showed that in the civil fields such as constructing tunnel, mining, geodesic survey, resources observation.
Gyroscope north searching instrument is fast by using the earth rotation angle for the gyroscope measurement different directions being mounted on indexing mechanism
The component of rate, to calculate the angle that reference direction deviates real north.Gyroscope north searching instrument generally uses two position methods, four
Position method and Multiple station method etc. seek northern formula and work, wherein the north finder using four position method principles is more common.It is existing
Gyroscope north searching instrument have the following deficiencies:
1, existing north finder is used as using mechanical gyro and seeks northern core component, but there are poor reliability, longevity for mechanical gyro
Order it is short, be easy influenced by acceleration, cause measuring accuracy inadequate, stability is bad.
2, existing north finder generally uses integrated design, and internal structure is complicated, bulky, is both unfavorable for repairing,
It is not suitable for the application required to volume yet.
(3) summary of the invention:
The technical problem to be solved by the present invention is to provide under the conditional application in space, one kind is small in size, seeks
The fiber gyro north seeker that the northern time is short, north finding precision is high.
It is by using split-type design, by gyroscope north searching that the present invention, which solves technical solution used by the above technical problem,
Instrument is split, and the sensor portion for being directly responsible for orientation survey is grouped as inertia sensor, mechanical structure is done it is compact, thus
Volume is lowered, in use process, as long as inertia sensor is placed on testee；Rest part composition is aobvious
Device is controlled, the functions such as power supply, display, control are responsible for.It is attached between inertia sensor and display control device by cable.
The inertia sensor is responsible for the measurement of reference azimuth, includes inertia sensor shell, indexing mechanism, 2
A high precision fiber optic gyroscope, 2 quartz flexible accelerometers, T shape mounting bracket, accelerometer collection plate, aobvious control connector.
The fibre optic gyroscope and quartz flexible accelerometer is respectively used to sensitive rotational-angular velocity of the earth and acceleration of gravity, divides 2
Group is mounted in T shape mounting bracket, and level is orthogonal distribution；The T shape mounting bracket is mounted on indexing by rigid connection
On mechanism table top；The accelerometer collection plate is responsible for being converted into counting by the analog signal that quartz flexible accelerometer exports
Word signal is mounted on the side wall of inertia sensor shell；The indexing mechanism is fixed on inertia sensor shell
On bottom plate；The electrical connection of acceleration collection plate, fibre optic gyroscope and indexing mechanism summarizes to being mounted on inertia sensor
Aobvious control connector on side wall of outer shell.
The display control device is by liquid crystal display, power panel, resolving circuit plate, transposition control plate, display control device shell
Composition.Power panel is responsible for externally input 24V power supply being converted into needed for internal circuit ± 15V ,+5V power supply, transposition control
Plate is responsible for the transposition control of indexing mechanism, and resolving circuit plate is responsible for acquiring the output of fibre optic gyroscope and quartz flexible accelerometer
Information resolves data according to north finder algorithm model, calculates angle and water of the reference direction relative to geographical north orientation
Flat attitude angle, resolving circuit plate are responsible for the human-computer interaction and correspondence with foreign country output of liquid crystal display simultaneously.Display control device includes
Three connector interfaces, respectively power connector, sensor connector, communications connector.
Specifically, the invention has the characteristics that and advantage:
(1) split-type design is used, gyroscope north searching instrument is split, is directly responsible for the sensor portion grouping of orientation survey
At inertia sensor, mechanical structure is done it is compact, to volume is lowered, in use process, as long as inertia sensitivity is filled
Storing is placed on testee；Rest part forms display control unit, is responsible for the functions such as power supply, display, control.Inertia
It is attached between sensor and display control unit by cable.
(2) traditional mechanical gyroscope is replaced using fibre optic gyroscope.After fibre optic gyroscope is as lasergyro
Second generation optical gyroscope, high, small in size, light weight, movement-less part, high reliability with precision are a kind of new
The all solid state gyroscope of type.By arranging two fibre optic gyroscopes and two quartz flexible accelerometers in horizontal quadrature direction,
In the case where seeking northern case using four positions, can indexable number be reduced to twice from four times, so that single location be stopped
Time doubles, and increases the sampling time of fibre optic gyroscope, improves system accuracy.
(4) Detailed description of the invention:
The invention will be further described with reference to the accompanying drawing.
Fig. 1 is system schematic of the invention；
Fig. 2 is inertia sensor partial schematic diagram of the invention；
Fig. 3 is display control device partial schematic diagram of the invention；
(5) specific embodiment:
Referring to Fig.1-3, the specific embodiment of the invention takes following technical scheme: fiber gyro north seeker is using split type
It designs, including inertia sensor 1, display control device 2, has aobvious control connector 4 on inertia sensor 1, have biography on display control device 2
Sensor connector 11 in use process, is connected this two parts by cable, as shown in Figure 1.
Inertia sensor 1 is responsible for the measurement of reference azimuth, includes 6,2 inertia sensor shell 8, indexing mechanism height
5,2 quartz flexible accelerometers 3 of precision optical fiber gyroscope, T shape mounting bracket 9, accelerometer collection plate 7, aobvious control connector
4.Fibre optic gyroscope 5 and quartz flexible accelerometer 3 are respectively used to sensitive rotational-angular velocity of the earth and acceleration of gravity, divide 2 groups
It is mounted in T shape mounting bracket 9, level is orthogonal distribution；T shape mounting bracket 9 is mounted on indexing mechanism 6 by rigid connection
Table top on；Accelerometer collection plate 7 is responsible for for the analog signal that quartz flexible accelerometer exports being converted into convenient for transmission
Digital signal is mounted on the side wall of inertia sensor shell 8；Indexing mechanism 6 is fixed on inertia sensor shell 8
On bottom plate；The electrical connection of acceleration collection plate 7, fibre optic gyroscope 5 and indexing mechanism 6 summarize to be mounted on inertia sensitivity dress
Set the aobvious control connector on 8 side wall of shell.
Display control device is by start button 10, sensor connector 11, communications connector 12, power connector 13, fuse
14, liquid crystal display 19, power supply circuit board 17, resolving circuit plate 16, transposition control circuit box 18,15 groups of display control device shell
At.External 24V power supply enters display control device 2 by power connector 13, and power supply circuit board 17 is entered after fuse 14,
Power supply circuit board 17 is responsible for externally input 24V power supply being converted into needed for internal circuit ± 15V ,+5V power supply.Resolve electricity
Road plate 16 is responsible for the output information of acquisition fibre optic gyroscope 5 and quartz flexible accelerometer 3, according to north finder algorithm model logarithm
According to being resolved, angle and horizontal attitude angle of the reference direction relative to geographical north orientation are calculated, resolving circuit plate is responsible for simultaneously
The human-computer interaction of liquid crystal display 19 and correspondence with foreign country output.Power supply circuit board 17 and resolving circuit board 16 pass through circuit board
Mounting bracket 20 is mounted on display control device shell 15.Transposition control circuit box 18 is responsible for the transposition control of indexing mechanism, directly
It is mounted on display control device shell 15, convenient for heat dissipation.Display control device 2 includes three connector interfaces, and respectively sensor connects
Device 11, communications connector 12, power connector 13.
Claims (7)
1. a kind of split type fiber gyro north seeker includes inertia sensor (1) and display control device (2), which is characterized in that institute
The inertia sensor (1) stated includes inertia sensor shell (8), indexing mechanism (6), fibre optic gyroscope (5), quartz flexible
Accelerometer (3), T shape mounting bracket (9), accelerometer collection plate (7) and aobvious control connector (4), the display control device (2)
Including start button (10), sensor connector (11), communications connector (12), power connector (13), fuse (14), liquid
Crystal display screen (19), power supply circuit board (17), resolving circuit plate (16), transposition control circuit box (18) and display control device shell
(15), inertia sensor (1) and display control device (2) are attached by cable when work.
2. a kind of split type fiber gyro north seeker according to claim 1, which is characterized in that fibre optic gyroscope (5) and
Quartz flexible accelerometer (3) is divided on 2 groups of two faces for being mounted on T shape mounting bracket (9), and level is orthogonal distribution, the installation of T shape
Bracket (9) is fixed on the table top of indexing mechanism (6), and indexing mechanism (6) is fixed on the bottom plate of inertia sensor shell (8)
On.
3. a kind of split type fiber gyro north seeker according to claim 1, which is characterized in that the accelerometer is adopted
Collect plate (7), is responsible for for the analog signal that quartz flexible accelerometer exports being converted into the digital signal convenient for long distance transmission, Gu
It is scheduled on the side wall of inertia sensor shell (8).
4. a kind of split type fiber gyro north seeker according to claim 1, which is characterized in that the aobvious control connector
(4) be responsible for fibre optic gyroscope (5), quartz flexible accelerometer (3), accelerometer collection plate (7), indexing mechanism (6) signal
Transmitting, is fixed on the side wall of inertia sensor shell (8), the top of accelerometer collection plate (7).
5. a kind of split type fiber gyro north seeker according to claim 1, which is characterized in that external 24V power supply passes through
Power connector (13) enters display control device (2), enters power supply circuit board (17) after fuse (14), power supply circuit board
(17) it is responsible for externally input 24V power supply being converted into needed for internal circuit ± 15V ,+5V power supply.
6. a kind of split type fiber gyro north seeker according to claim 1, which is characterized in that resolving circuit plate (16) is negative
Duty acquires the output information of inertia device and resolving, calculates angle and horizontal attitude of the reference direction relative to geographical north orientation
Angle, resolving circuit plate (16) are responsible for the human-computer interaction and correspondence with foreign country output of liquid crystal display (19) simultaneously.
7. a kind of split type fiber gyro north seeker according to claim 1, which is characterized in that power supply circuit board (17) and
Resolving circuit plate (16) is mounted on display control device shell (15) by circuit board mounting bracket (20), transposition control circuit box
(18) it is responsible for the transposition control of indexing mechanism, is directly installed on display control device shell (15), convenient for heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651679.0U CN209485370U (en) | 2018-10-11 | 2018-10-11 | A kind of split type fiber gyro north seeker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651679.0U CN209485370U (en) | 2018-10-11 | 2018-10-11 | A kind of split type fiber gyro north seeker |
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| Publication Number | Publication Date |
|---|---|
| CN209485370U true CN209485370U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821651679.0U Expired - Fee Related CN209485370U (en) | 2018-10-11 | 2018-10-11 | A kind of split type fiber gyro north seeker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765880A (en) * | 2020-07-06 | 2020-10-13 | 中国人民解放军96901部队22分队 | High-precision four-position north-seeking method based on single fiber gyroscope |
| CN112146643A (en) * | 2020-09-25 | 2020-12-29 | 重庆天箭惯性科技股份有限公司 | North finder of fiber optic gyroscope |
-
2018
- 2018-10-11 CN CN201821651679.0U patent/CN209485370U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765880A (en) * | 2020-07-06 | 2020-10-13 | 中国人民解放军96901部队22分队 | High-precision four-position north-seeking method based on single fiber gyroscope |
| CN112146643A (en) * | 2020-09-25 | 2020-12-29 | 重庆天箭惯性科技股份有限公司 | North finder of fiber optic gyroscope |
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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: 20191011 Termination date: 20201011 |