CN109443335A - A kind of novel sensitivity portion for pendulum type gyroscope north searching instrument - Google Patents
A kind of novel sensitivity portion for pendulum type gyroscope north searching instrument Download PDFInfo
- Publication number
- CN109443335A CN109443335A CN201811282446.2A CN201811282446A CN109443335A CN 109443335 A CN109443335 A CN 109443335A CN 201811282446 A CN201811282446 A CN 201811282446A CN 109443335 A CN109443335 A CN 109443335A
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- China
- Prior art keywords
- pole
- center
- energy storage
- shielding case
- control circuit
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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
- G01C19/44—Rotary gyroscopes for indicating the vertical
-
- 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
- G01C19/04—Details
-
- 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
- G01C19/04—Details
- G01C19/26—Caging, i.e. immobilising moving parts, e.g. for transport
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
Abstract
The present invention relates to a kind of novel sensitivity portion for pendulum type gyroscope north searching instrument, main feature includes that rotor case is ball sealing structure, and inside is filled with inert gas；Gyro machine is mounted in rotor case, and balancing disk is coaxially mounted to below rotor case, and rotor case periphery is equipped with shielding case, is equipped with center-pole above shielding case, center-pole, shielding case are connected firmly by screw and rotor case；Sensitive portion carries energy storage device power supply, is integrally designed with control circuit board, and wherein the setting of energy storage device annular is located at below balancing disk in shielding case periphery, control circuit board, and energy storage device, control circuit board periphery are equipped with protective cover；The communication with gyroscope north searching instrument is realized using wireless communication module in sensitive portion.The present invention replaces traditional water conservancy diversion silk power supply mode using energy storage device, and sensitive portion's work is more stable, can effectively promote the north finding precision of gyroscope north searching instrument.
Description
Technical field
The present invention relates to field of navigation technology, especially a kind of novel sensitivity portion for pendulum type gyroscope north searching instrument.
Background technique
Pendulum type gyroscope north searching instrument is a kind of accurate pointing equipment.Its working principle is that: it will be inside one with an elastic metallic yarn
Component (sensitive portion) equipped with high speed rotation gyro machine is hung on fixed frame, gyro machine generate precession moment with hang
Band torsional moment balances each other, and sensitive portion surrounds the reciprocal precession of earth meridian plane, and the angle of precession, solution are measured by photoelectric sensor device
Calculate real north.
The sensitive portion of existing pendulum type gyroscope north searching instrument is generally using several groups of water conservancy diversion silk power supplies, the installation shape of each group water conservancy diversion silk
The difference of state, symmetry and internal stress be easy to cause the change of moment of face suffered by sensitive portion, to the job stability in sensitive portion
It can have an impact, the final north finding precision for reducing gyroscope north searching instrument.
The control circuit of existing sensitivity portion gyro machine generally uses and non-sensitive part is from design, passes through water conservancy diversion silk or bypass
The starting, synchronization and stopping control of gyro machine are completed in contact, and intermediate link is more, and structure is complicated, easily causes water conservancy diversion silk overcurrent
Or because starting the problems such as unreliable caused by bypass poor contact of contacts.
Summary of the invention
It is an object of the invention in place of making up the deficiencies in the prior art, provide it is a kind of based on included energy storage device feed,
The novel sensitivity portion of wireless communication technique powers without water conservancy diversion silk when the sensitivity portion works, eliminates unstable moment of face, energy
That realizes higher precision seeks northern measurement.
The purpose of the present invention is what is realized by following technological means:
A kind of novel sensitivity portion for pendulum type gyroscope north searching instrument, it is characterised in that: including control circuit board, balancing disk,
Rotor case, gyro machine, energy storage device, protective cover, wireless communication module, shielding case, cradle, suspension strap pressing plate, center-pole
And plane mirror, rotor case are ball sealing structure, inside is filled with inert gas；Gyro machine is mounted in rotor case, balancing disk
It is coaxially mounted to below rotor case, rotor case and balancing disk periphery are equipped with shielding case, and energy storage device annular is arranged outside shielding case
It encloses, control circuit board is located at below balancing disk, and is located at outside shielding case, and energy storage device, control circuit board periphery are equipped with protection
Cover；Wireless communication module is mounted on the outside of shielding case；
Center-pole is equipped with above shielding case, center-pole and shielding case are connected firmly by screw and rotor case；Center-pole is cylinder
Hollow structure, near top are bonded with plane mirror, and notch is provided in the middle part of center-pole side wall, suspension strap pressing plate is housed in notch,
Suspension strap is clamped between suspension strap pressing plate and center-pole；Center-pole lower part is set there are four 90 degree of equally distributed taper holes；
Symmetrical cradle there are two setting on center-pole, has insulation sleeve to be isolated between cradle and center-pole；Two are filled
Be welded with conducting wire on electric seat, conducting wire along center-pole inner hole, shielding case periphery it is symmetrical be routed and by the aperture of protective cover upper end with
Energy storage device is connected；Energy storage device is connected by conducting wire with control circuit board input terminal as power supply unit；Control circuit board is defeated
Outlet conducting wire penetrates from rotor case bottom and is connected with gyro machine winding leads；Wireless communication module passes through conducting wire and control electricity
Road plate is connected.
Moreover, the energy storage device, which can be but not limited to lithium battery group, super capacitor group etc., can be quickly charged and discharged device
Part.
Moreover, the cradle is set between notch and taper hole.
Moreover, the wireless communication module is mounted on the top of shielding case lateral wall, and it is located on the outside of protective cover
Side.
The advantages and positive effects of the present invention are:
1, the utility model sensitivity portion carry energy storage device power supply, and with control circuit board integrated design, eliminate sensitive portion
The disturbance torque introduced in the course of work by more water conservancy diversion silk power supplies makes more stable, the system north finding precision of sensitive portion's work
It is higher.
2, the utility model sensitivity portion rotor case uses spherical symmetric sealing structure, and filled with inert gas, can effectively reduce top
Temperature rise deformation when spiral shell motor works；Rotor case periphery is equipped with shielding case, can effectively shield external magnetic field and disturb to gyro machine
It is dynamic, improve the stability of system work.
3, it is located in the middle part of sensitivity portion for locking four taper holes in sensitive portion, the radial lock that hollow type can be used in sensitive portion is de-
Mechanism realizes locking and loosens, and when reducing locking while the stress of suspension strap, keeps system structure more compact.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
It is attached in the figure, it is marked as
(1) control circuit board, (2) balancing disk, (3) rotor case, (4) gyro machine, (5) energy storage device, (6) protective cover,
(7) wireless communication module, (8) shielding case, (9) cradle, (10) suspension strap pressing plate, (11) center-pole, (12) plane mirror, (13)
Suspension strap.
Specific embodiment
With reference to the accompanying drawing in detail narration the embodiment of the present invention, it should be noted that the present embodiment be it is narrative, no
It is restrictive, this does not limit the scope of protection of the present invention.
A kind of novel sensitivity portion for pendulum type gyroscope north searching instrument, including control circuit board (1), balancing disk (2), rotor case
(3), gyro machine (4), energy storage device (5), protective cover (6), wireless communication module (7), shielding case (8), cradle (9), outstanding
It is linked with pressing plate (10), center-pole (11) and plane mirror (12).
Rotor case (3) is ball sealing structure, and inside is filled with inert gas.Gyro machine (4) is mounted on rotor case (3)
Interior, balancing disk (2) is coaxially mounted to below rotor case (3), and rotor case (3) and balancing disk periphery are equipped with shielding case (8), accumulator
The setting of part (5) annular can be but not limited to lithium battery group, super capacitor group in shielding case (8) periphery, the energy storage device (5)
Etc. can be quickly charged and discharged device.Control circuit board (1) and sensitivity portion are integrally designed, and control circuit board (1) is located at balancing disk (2)
Lower section, and be located at outside shielding case, energy storage device (5) and control circuit board (1) periphery are equipped with protective cover (6).Radio communication mold
Block (7) is mounted on the top of shielding case (8) lateral wall, and is located at the outer upper side of protective cover, for logical with gyroscope north searching instrument
News.
Center-pole (11) are equipped with above shielding case (8), center-pole (11), shielding case (8) are solid by screw and rotor case (3)
Connection.Center-pole (11) is cylindrical hollow structure, and near top is bonded with plane mirror (12), for exporting the pendulum when work of sensitive portion
Dynamic angle.Be provided with notch in the middle part of center-pole (11) side wall, suspension strap pressing plate (10) be housed in notch, suspension strap pressing plate (10) with
Suspension strap (13) are clamped between center-pole (11).Center-pole (11) lower part is set there are four 90 degree of equally distributed taper holes, for quick
Locking under sense portion off working state.
Symmetrical cradle (9) there are two setting on center-pole (11), cradle is set between notch and taper hole, is filled
There is insulation sleeve to be isolated between electric seat (9) and center-pole (11)；Conducting wire is welded on two cradles (9), conducting wire is along center-pole (11)
Inner hole, the symmetrical aperture for being routed and passing through protective cover (6) upper end in shielding case (8) periphery are connected with energy storage device (5)；Energy storage device
(5) it is connected by conducting wire with control circuit board (1) input terminal as power supply unit；Control circuit board (1) wire of output terminal is from top
Spiral shell room bottom penetrates and is connected with gyro machine (4) winding leads；Wireless communication module (7) passes through conducting wire and control circuit board
(1) it is connected.Because of sensitive portion, structure is complicated, can not accomplish absolute symmetry in structure, and gyro sensitivity axis direction should be tight after the assembly is completed
Lattice carry out static balance.
The operation principle and process in this sensitivity portion is as follows:
In an inactive state, sensitive portion is in the shape that is locked by four 90 degree of equally distributed taper holes to gyroscope north searching instrument
State, external power supply can be energy storage device (5) charging by cradle (9) at this time；When gyroscope north searching instrument works, radio communication mold
Block (7), which receives, seeks northern order, and outer lock release mechanism loosens sensitive portion, and sensitive portion is under the hanging of suspension strap (13) in freely
Suspension status, energy storage device (5) charging stop and power for control circuit board (1) and gyro machine (4)；Control circuit board (1)
Driving gyro machine (4) starts and monitors its operating status；In rotor case (3) interior high speed rotation, sensitive portion exists gyro machine (4)
North orientation reciprocally swinging is surrounded under gyroscopic effect, the plane mirror (12) at the top of center-pole (11) passes to the swing situation in sensitive portion
The photoelectric sensor device of gyroscope north searching instrument, the calculating for north orientation orientation；Shielding case (8) is maskable outer in sensitive portion's swing process
Disturbance of the portion magnetic field to sensitive portion, balancing disk (2) make the position of centre of gravity in sensitive portion lower than gyro machine (4) mass center, are conducive to disappear
Except nutating when swinging；It seeks after the completion of north, wireless communication module (7) receives stopping and seeks northern order, the locking of outer lock release mechanism
Sensitive portion, control circuit board (1) control gyro machine (4) stalling, and work terminates.
Claims (4)
1. a kind of novel sensitivity portion for pendulum type gyroscope north searching instrument, it is characterised in that: including control circuit board, balancing disk, top
Spiral shell room, gyro machine, energy storage device, protective cover, wireless communication module, shielding case, cradle, suspension strap pressing plate, center-pole and
Plane mirror, rotor case are ball sealing structure, and inside is filled with inert gas；Gyro machine is mounted in rotor case, and balancing disk is same
Axis is mounted below rotor case, and rotor case and balancing disk periphery are equipped with shielding case, and the setting of energy storage device annular is peripheral in shielding case,
Control circuit board is located at below balancing disk, and is located at outside shielding case, and energy storage device, control circuit board periphery are equipped with protective cover；
Wireless communication module is mounted on the outside of shielding case；
Center-pole is equipped with above shielding case, center-pole and shielding case are connected firmly by screw and rotor case；Center-pole is cylindrical hollow
Structure, near top are bonded with plane mirror, and notch is provided in the middle part of center-pole side wall, suspension strap pressing plate, suspension are housed in notch
Suspension strap is clamped between band pressing plate and center-pole；Center-pole lower part is set there are four 90 degree of equally distributed taper holes；
Symmetrical cradle there are two setting on center-pole, has insulation sleeve to be isolated between cradle and center-pole；Two cradles
On be welded with conducting wire, conducting wire is along center-pole inner hole, the symmetrical aperture and energy storage being routed and pass through protective cover upper end in shielding case periphery
Device is connected；Energy storage device is connected by conducting wire with control circuit board input terminal as power supply unit；Control circuit board output end
Conducting wire penetrates from rotor case bottom and is connected with gyro machine winding leads；Wireless communication module passes through conducting wire and control circuit board
It is connected.
2. a kind of novel sensitivity portion for pendulum type gyroscope north searching instrument according to claim 1, it is characterised in that: described
Energy storage device, which can be but not limited to lithium battery group, super capacitor group etc., can be quickly charged and discharged device.
3. a kind of novel sensitivity portion for pendulum type gyroscope north searching instrument according to claim 1, it is characterised in that: described
Cradle is set between notch and taper hole.
4. a kind of novel sensitivity portion for pendulum type gyroscope north searching instrument according to claim 1, it is characterised in that: described
Wireless communication module is mounted on the top of shielding case lateral wall, and is located at the outer upper side of protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282446.2A CN109443335B (en) | 2018-10-31 | 2018-10-31 | Novel sensitive part for pendulum gyroscope north seeker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282446.2A CN109443335B (en) | 2018-10-31 | 2018-10-31 | Novel sensitive part for pendulum gyroscope north seeker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109443335A true CN109443335A (en) | 2019-03-08 |
| CN109443335B CN109443335B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811282446.2A Active CN109443335B (en) | 2018-10-31 | 2018-10-31 | Novel sensitive part for pendulum gyroscope north seeker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121735A (en) * | 2020-01-03 | 2020-05-08 | 中国船舶重工集团公司第七0七研究所 | Tunnel, subway and mine excavation tunneling autonomous positioning and orienting system and method |
| CN113686355A (en) * | 2021-07-29 | 2021-11-23 | 中国船舶重工集团公司第七0七研究所 | Method for improving precision of pendulum gyroscope north finder based on reference mirror process improvement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121735A (en) * | 2020-01-03 | 2020-05-08 | 中国船舶重工集团公司第七0七研究所 | Tunnel, subway and mine excavation tunneling autonomous positioning and orienting system and method |
| CN113686355A (en) * | 2021-07-29 | 2021-11-23 | 中国船舶重工集团公司第七0七研究所 | Method for improving precision of pendulum gyroscope north finder based on reference mirror process improvement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109443335B (en) | 2022-06-17 |
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