CN220855921U - Inertial navigation teaching experimental device - Google Patents
Inertial navigation teaching experimental device Download PDFInfo
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- CN220855921U CN220855921U CN202322543862.6U CN202322543862U CN220855921U CN 220855921 U CN220855921 U CN 220855921U CN 202322543862 U CN202322543862 U CN 202322543862U CN 220855921 U CN220855921 U CN 220855921U
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- 238000002474 experimental method Methods 0.000 claims abstract description 8
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 239000004579 marble Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000007123 defense Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model relates to an inertial navigation teaching experiment device which comprises a computer, a control box, an inertial element, a conductive slip ring, a support and a vibration isolation table, wherein a motor is arranged above the vibration isolation table, an electric turntable is arranged above the motor, the inertial element is arranged on the support, the support is arranged on the electric turntable, the computer and the control box are respectively connected with the conductive slip ring and the motor, the computer is used for collecting measurement data of the inertial element and motion control of the electric turntable, and the control box is used for supplying power to the inertial element and supplying power to the motor. The utility model has the advantages that: the motor and the electric turntable are matched for use, so that the motor has higher rotation dynamic stability and stable rotation. The support and the inertial element are fixed together to quickly change the shaft, so that the inertial element does not need to be detached from the electric turntable, and further, the installation error caused by the detachment and the installation of the inertial element is avoided.
Description
Technical Field
The utility model belongs to the technical field of teaching experiment platforms, and particularly relates to an inertial navigation teaching experiment device.
Background
High-precision inertial devices such as laser gyroscopes and fiber optic gyroscopes are widely applied to national defense weapons and carrying equipment. Along with the technical attack of the high-precision laser gyroscope and the fiber-optic gyroscope, the technology breakthrough is realized in China, the large-scale manufacturing effect is realized, the cost is greatly reduced, and the method is widely applied to the national defense fields such as aviation, aerospace, navigation and the like, and gradually begins to be applied in the fields such as vehicle navigation, attitude stability control, autopilot, robots and the like in the industrial field.
In the prior navigation profession, particularly in the aspect of research of inertial navigation, a large turntable is required to be built and an expensive inertial navigation module is required to be purchased, so that not only is the cost huge, but also the practice teaching of universality of the inertial navigation theory is difficult to carry out aiming at the students of the family and the study students, the teaching effect is poor, and the culture of modern compound talents is not met.
The existing inertial navigation platform is generally divided into two types, namely a very professional calibration platform and an industrial-grade and consumer-grade platform with very low precision, wherein the former type has high precision and high value and is mainly used for the applications of calibration, experimental test and the like of inertial instruments and meters, meanwhile, the inertial navigation platform has very strict requirements on foundations and working environments thereof, and is difficult to use in teaching scenes of Gramines or researchers with over millions of yuan of value. The precision of the 2-3 axis turntable on the market is quite low, and the turntable is only suitable for demonstration of low-cost MEMS inertial devices and cannot bear high-precision devices such as an optical fiber gyroscope, a laser gyroscope and the like.
Disclosure of utility model
The utility model aims to solve the problems, and provides an inertial navigation teaching experimental device which adopts a motor and an electric turntable, has higher rotation dynamic stability, stable rotation and low rotation vibration, and ensures the stability of power supply and data transmission of an inertial element when the electric turntable rotates by a conductive slip ring connected with a computer and a control box.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an inertial navigation teaching experimental apparatus, includes computer, control box, inertial element, electrically conductive sliding ring, support and shock insulation platform, the top of shock insulation platform is equipped with the motor, the top of motor is equipped with electronic revolving stage, inertial element installs on the support, the support mounting is on electronic revolving stage, computer, control box all are connected with electrically conductive sliding ring and motor respectively, electrically conductive sliding ring is the switching of inertial element 4's power supply line and data acquisition line.
Further; the computer and the control box are respectively connected with the conductive slip ring and the motor by adopting data wires, the computer is used for collecting measurement data of the inertial element and controlling movement of the electric turntable, and the control box is used for supplying power to the inertial element and the motor.
Further: the bracket is L-shaped and is provided with mounting holes with the same layout for fixing the inertial element.
Further: the vibration isolation table consists of elastic rubber and marble and is used for isolating vibration errors of the inertial element and the ground.
Further: the inertial element adopts a high-precision MEMS gyroscope, a laser gyroscope or a fiber optic gyroscope.
Further: the motor is a servo motor, a stepping motor or a direct current brushless motor.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model mainly comprises a computer, a motor, a turntable, a control box, an inertial element, a bracket, a shock insulation table and a conductive slip ring, wherein the inertial element adopts a high-precision MEMS gyroscope, a laser gyroscope and a fiber optic gyroscope; the motor adopts a precise driving motor, has forward rotation and reverse rotation functions, and is continuously adjustable according to 0-360 degree angle increment and angular speed; the motor and the electric turntable are matched for use, so that the motor has higher rotation dynamic stability and stable rotation. The support and the inertial element are fixed together to quickly change the shaft, so that the inertial element does not need to be detached from the electric turntable, and further, the installation error caused by the detachment and the installation of the inertial element is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only for more clearly illustrating the embodiments of the present utility model or the technical solutions in the prior art, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the L-shaped bracket rotated 90 degrees;
FIG. 3 is a schematic view showing the structure of the conductive slip ring of the present utility model at the center of the electric turntable
In the figure: the device comprises a computer, a 2-conductive slip ring, a 3-support, a 4-inertial element, a 5-electric turntable, a 6-control box, a 7-motor, an 8-data line and a 9-vibration isolation table.
Detailed Description
The utility model will be further described with reference to specific examples, which are intended to be illustrative only and not to be limiting of the utility model, in order to enable those skilled in the art to better understand the technical solutions of the utility model.
The utility model provides an inertial navigation teaching experimental device as shown in fig. 1~3, includes computer 1, control box 6, support 3, inertial element 4, electrically conductive sliding ring 2 and shock insulation platform 9, inertial element 4 installs on support 3, support 3 installs on electric turntable 5, electric turntable 5 installs on motor 7, motor 7 installs on shock insulation platform 9, computer 1, control box 6 respectively adopt data line 8 to be connected with electrically conductive sliding ring 2 and motor 7, computer 1 is used for gathering inertial element 4's measurement data and electric turntable 5's motion control, control box 6 is used for inertial element 4 and motor 7's power supply.
Because the inertial element 4 is arranged on the bracket 3, the bracket 3 is L-shaped and is provided with a plurality of mounting holes with the same layout, and the bracket 3 is connected with the electric turntable 5 through two hexagon socket head cap screws; after the rotation of 180 degrees is removed, the inertial element 4 is connected with the electric turntable 5 by using an inner hexagon screw, so that the inertial element 4 can be quickly replaced transversely and longitudinally.
The conductive slip ring 2 is used for switching the power supply line and the data acquisition line of the inertial element 4, so that the reliability of power supply and measurement in the rotating process is ensured. The conductive slip ring 2 can also be arranged on the central shaft of the electric turntable 5, and a data line connected with the conductive slip ring 2 by the electric turntable 5 adopts a lower wire inlet mode.
Priority is given to: the vibration isolation table 9 is composed of elastic rubber and marble and is used for isolating vibration errors of the inertial element 4 and the ground.
Priority is given to: the inertial element 4 is a MEMS gyroscope, a laser gyroscope or a fiber optic gyroscope with high precision.
Priority is given to: the motor 7 is a servo motor, a stepping motor or a direct current brushless motor. The motor 7 has forward rotation and reverse rotation functions and is continuously adjustable according to 0-360 degree angle increment and angular speed; the motor can be decelerated through a worm gear speed reducing mechanism of the electric turntable, and the motor 7 can be directly driven to rotate the electric turntable.
Workflow process
1) Firstly, a power switch of a control box is turned on, a power supply is connected to a motor and an inertial element, and a computer power supply is turned on;
2) Opening motor control software;
3) Opening inertial element measurement software;
4) Adjusting parameters such as the rotation speed of a motor and an electric turntable connected with the motor, and acquiring angular rate data of an inertial device by inertial element measurement software;
5) For the coordinate axes of the inertial element to be replaced, the L-shaped bracket fixed with the electric turntable is disassembled, rotated by 90 degrees and then installed and fixed;
6) After the required test is completed, the motor control software and the inertial element data measurement software are turned off, and then the controller and the computer power supply are disconnected.
The motor and the electric turntable are matched for use, so that the motor and the electric turntable have higher rotation dynamic stability and stable rotation, the bracket and the inertial element are fixed together for quick shaft replacement, the inertial element is not required to be detached from the electric turntable, and further, the installation error caused by the detachment of the inertial element is avoided.
The utility model is not described in detail in the prior art.
The foregoing is merely a preferred embodiment of the present utility model and is not limited to the description and embodiments. All such equivalent changes and modifications of the construction, feature and principle described in the claims should be made to the present utility model.
Claims (6)
1. The utility model provides an inertial navigation teaching experimental apparatus, includes computer (1), control box (6), support (3), inertial element (4), electrically conductive sliding ring (2) and shock insulation platform (9), its characterized in that: the vibration isolation table is characterized in that a motor (7) is arranged above the vibration isolation table (9), an electric turntable (5) is arranged above the motor (7), an inertia element (4) is arranged on a support (3), the support (3) is arranged on the electric turntable (5), a computer (1) and a control box (6) are respectively connected with a conductive slip ring (2) and the motor (7), and the conductive slip ring (2) is a power supply line of the inertia element (4) and a data acquisition line.
2. The inertial navigation teaching experiment device according to claim 1, wherein: the computer (1) and the control box (6) are respectively connected with the conductive slip ring (2) and the motor (7) through data wires (8), the computer (1) is used for collecting measurement data of the inertial element (4) and motion control of the electric turntable (5), and the control box (6) is used for supplying power to the inertial element (4) and the motor (7).
3. The inertial navigation teaching experiment device according to claim 1, wherein: the bracket (3) is L-shaped and is provided with mounting holes with the same layout to fix the inertial element (4).
4. The inertial navigation teaching experiment device according to claim 1, wherein: the vibration isolation table (9) is composed of elastic rubber and marble and is used for isolating vibration errors of the inertial element (4) and the ground.
5. An inertial navigation teaching experiment device according to claim 3, characterized in that: the inertial element (4) adopts a high-precision MEMS gyroscope, a laser gyroscope or a fiber optic gyroscope.
6. The inertial navigation teaching experiment device according to claim 1, wherein: the motor (7) is a servo motor, a stepping motor or a direct current brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543862.6U CN220855921U (en) | 2023-09-19 | 2023-09-19 | Inertial navigation teaching experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543862.6U CN220855921U (en) | 2023-09-19 | 2023-09-19 | Inertial navigation teaching experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220855921U true CN220855921U (en) | 2024-04-26 |
Family
ID=90785892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322543862.6U Active CN220855921U (en) | 2023-09-19 | 2023-09-19 | Inertial navigation teaching experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220855921U (en) |
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2023
- 2023-09-19 CN CN202322543862.6U patent/CN220855921U/en active Active
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