CN216558556U - Triaxial angular velocity measuring device for projectile body launching test - Google Patents
Triaxial angular velocity measuring device for projectile body launching test Download PDFInfo
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- CN216558556U CN216558556U CN202123110078.3U CN202123110078U CN216558556U CN 216558556 U CN216558556 U CN 216558556U CN 202123110078 U CN202123110078 U CN 202123110078U CN 216558556 U CN216558556 U CN 216558556U
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Abstract
The utility model discloses a triaxial angular velocity measuring device for a projectile body launching and water entering test, which structurally comprises a triaxial angular velocity measuring unit and a controller unit, wherein the triaxial angular velocity measuring unit is used for measuring triaxial angular velocity signals after the projectile body is launched into water and is connected with the controller unit through screws; the controller unit is used for controlling the whole device to work, collecting the triaxial angular velocity signals of the triaxial angular velocity measuring unit, and completing the collection, analog-to-digital conversion and storage of the signals. The device is convenient to install in the small-caliber underwater projectile body, measured data are automatically stored in a memory in a controller in the launching test process of the projectile body, and after the test is finished, the projectile body is recovered, the data are read, data analysis is carried out, and the data are used as performance indexes of posture change of the projectile body after launching into water.
Description
Technical Field
The utility model relates to a measurement and detection technology, in particular to a triaxial angular velocity measurement device for a projectile body launching test.
Background
When the cannonball projectile body is launched into water for testing, a device capable of measuring the posture change of the cannonball projectile body after being launched is needed. The device can be directly placed in the position of a projectile chamber when the projectile body of the projectile is in no load, and the posture change of the projectile body is measured after the projectile body is ignited and launched to impact the water surface. The change of the three-axis angular velocity is often used as an important index for measuring the change of the posture of the projectile body after being launched.
The three-axis angular velocity sensor in the current market is considered, and the three-axis gyroscope is widely applied to military and aerospace. However, the volume of a common three-axis gyroscope is generally larger than 40mm, the internal space of a projectile body is limited, and the installation cannot be completed; secondly, the range of a common three-axis gyroscope is plus or minus 500deg/s, and the instantaneous angular speed of the missile during launching can exceed the range of the three-axis gyroscope; finally, the output form of the common three-axis gyroscope is basically a digital signal, the data updating rate is low and generally does not exceed 8KHZ, so that the sampling rate of the sensor to the signal is limited, and the attitude signal of the projectile body cannot be completely reflected in the test.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for automatically measuring three-axis angular velocity after a projectile body impacts a water surface when the projectile body is launched into a water test. The device is convenient for install inside the projectile body under water of small bore, and at the projectile body launching test in-process, the automatic memory that is saved in the controller inside of measured data, after the experiment, retrieve the projectile body, read data, carry out data analysis, as the performance index that the projectile body launches the gesture after the water and changes.
A triaxial angular velocity measuring device for a projectile body launching test structurally comprises a triaxial angular velocity measuring unit and a controller unit, wherein the triaxial angular velocity measuring unit is used for measuring triaxial angular velocity signals after a projectile body is launched into water and is connected with the controller unit through screws; the controller unit is used for controlling the whole device to work, collecting the triaxial angular velocity signals of the triaxial angular velocity measuring unit, and finishing the collection, analog-to-digital conversion and storage of the signals.
The triaxial angular velocity measurement unit mainly comprises an X-axis bracket, a Y-axis bracket, a Z-axis bracket and a gyroscope; the X-axis support, the Y-axis support and the Z-axis support are fastened and connected through screws and are provided with grooves, and the three grooves are mutually orthogonally arranged; the gyroscope is provided with three single-axis gyroscopes with the model of ADXRS649, and the gyroscopes are respectively stuck in the grooves through glue and encapsulated by epoxy resin.
The controller unit mainly comprises a shell, and a data processing module, a microprocessor module, a Flash memory module and a lithium battery power supply module which are arranged in the shell, wherein the shell is an aluminum alloy hollow cylinder, one end of the shell is open and connected with the three-axis angular velocity measuring unit through a screw, and the other end of the shell is closed and provided with a screw rod for connecting a measured projectile; the data processing module receives the signal of the triaxial angular velocity measuring unit, and the signal is amplified by an operational amplifier OPA333 and then is connected with the input interface of the microprocessor module; the microprocessor module mainly comprises a processor with the model number of STM32F103C8T6 and is used for controlling the whole device to work; the Flash memory module mainly comprises a memory chip with the model of W25Q16 and is electrically connected with the serial peripheral interface of the microprocessor module; the lithium battery power supply module mainly comprises a lithium battery charging circuit consisting of a lithium battery charger TP4056 and a power supply conversion circuit consisting of a power supply conversion chip SP6203, and the power supply conversion circuit supplies power to the data processing module, the microprocessor module, the Flash memory module and the triaxial angular speed measuring unit.
The data processing module, the microprocessor module, the Flash memory module and the lithium battery power supply module are placed in the shell after being encapsulated by epoxy resin and wrapped by polyethylene foam cotton for shock absorption and protection of circuits and components.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
In fig. 1: 1. a triaxial angular velocity measurement unit; 2. a controller unit.
In fig. 2: 3. an X-axis bracket; 4. a Y-axis support; 5. a Z-axis support; 6. a gyroscope; 7. a trench; 8. a housing; 9. a screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the triaxial angular velocity measuring device for the projectile body launching test in the embodiment structurally comprises a triaxial angular velocity measuring unit 1 and a controller unit 2, wherein the triaxial angular velocity measuring unit 1 is used for measuring triaxial angular velocity signals after the projectile body is launched into water and is connected with the controller unit 2 through screws; the controller unit 2 is used for controlling the whole device to work, collecting the triaxial angular velocity signals of the triaxial angular velocity measuring unit 1, and completing signal collection, analog-to-digital conversion and storage.
As shown in fig. 2, in the three-axis angular velocity measuring apparatus for the projectile body launching water test in the present embodiment, the three-axis angular velocity measuring unit 1 mainly includes an X-axis support 3, a Y-axis support 4, a Z-axis support 5, and a gyroscope 6; the X-axis support 3, the Y-axis support 4 and the Z-axis support 5 are fastened and connected through screws and are provided with grooves 7, and the three grooves 7 are arranged in an orthogonal mode; the gyroscope 6 is provided with three single-axis gyroscopes with the model of ADXRS649, which are respectively stuck in the grooves 7 through glue and encapsulated by epoxy resin.
The single-axis gyroscope with the model of ADXRS649 has the length and width of only 7mm and the height of 3mm, and the combined three-axis support has the length of only 27mm and the width of 20mm, so that the single-axis gyroscope can be well integrated in an application scene with a requirement on space; the range scope of ADXRS649 unipolar gyroscope is plus or minus 20000deg/s, and the measuring range of gyroscope can be improved greatly in the combination of the three unipolar gyroscope for this triaxial combination formula gyroscope application range is wider, and its output analog signal can be with the complete reaction of the gesture signal of projectile body come out.
As shown in fig. 1 and 2, in the triaxial angular velocity measuring device for the projectile body launching test in the embodiment, the controller unit 2 mainly includes a casing 8, and a data processing module, a microprocessor module, a Flash memory module and a lithium battery power supply module which are installed inside the casing, the casing 8 is an aluminum alloy hollow cylinder, one end of the casing is open and connected with the triaxial angular velocity measuring unit 1 through a screw, and the other end of the casing is closed and provided with a screw 9 for connecting a tested projectile body; the data processing module receives the signal of the triaxial angular velocity measuring unit, and the signal is amplified by an operational amplifier OPA333 and then is connected with the input interface of the microprocessor module; the microprocessor module mainly comprises a processor with the model number of STM32F103C8T6 and is used for controlling the whole device to work; the Flash memory module mainly comprises a memory chip with the model of W25Q16 and is electrically connected with the serial peripheral interface of the microprocessor module; the lithium battery power supply module mainly comprises a lithium battery charging circuit consisting of a lithium battery charger TP4056 and a power supply conversion circuit consisting of a power supply conversion chip SP6203 for supplying power to the data processing module, the microprocessor module, the Flash memory module and the triaxial angular speed measuring unit 1.
The data processing module, the microprocessor module, the Flash memory module and the lithium battery power supply module are encapsulated by epoxy resin, wrapped by polyethylene foam cotton and placed in the shell 8 for shock absorption and protection of circuits and components.
Before the projectile body launching water test is carried out, the calibration of the triaxial angular velocity measuring unit is carried out through the triaxial rate rotary table.
Claims (5)
1. The triaxial angular velocity measuring device for the projectile body launching water test is characterized by structurally comprising a triaxial angular velocity measuring unit and a controller unit, wherein the triaxial angular velocity measuring unit is used for measuring triaxial angular velocity signals after the projectile body is launched into water and is connected with the controller unit through screws; the controller unit is used for controlling the whole device to work, collecting the triaxial angular velocity signals of the triaxial angular velocity measuring unit, and finishing the collection, analog-to-digital conversion and storage of the signals.
2. The device for measuring the triaxial angular velocity in the projectile launching test according to claim 1, wherein the triaxial angular velocity measuring unit mainly comprises an X-axis support, a Y-axis support, a Z-axis support and a gyroscope; the X-axis support, the Y-axis support and the Z-axis support are fastened and connected through screws and are provided with grooves, and the three grooves are mutually orthogonally arranged; the gyroscope is provided with three single-axis gyroscopes with the model of ADXRS649, and the gyroscopes are respectively stuck in the grooves through glue and encapsulated by epoxy resin.
3. The device for measuring the triaxial angular velocity of the projectile body launching test according to claim 1, wherein the controller unit mainly comprises a casing, and a data processing module, a microprocessor module, a Flash memory module and a lithium battery power supply module which are arranged inside the casing, the casing is an aluminum alloy hollow cylinder, one end of the casing is open and connected with the triaxial angular velocity measuring unit through a screw, and the other end of the casing is closed and provided with a screw rod for connecting the projectile body to be measured; the data processing module receives the signal of the triaxial angular velocity measuring unit, and the signal is amplified by an operational amplifier OPA333 and then is connected with the input interface of the microprocessor module; the microprocessor module mainly comprises a processor with the model number of STM32F103C8T6 and is used for controlling the whole device to work; the Flash memory module mainly comprises a memory chip with the model of W25Q16 and is electrically connected with the serial peripheral interface of the microprocessor module; the lithium battery power supply module mainly comprises a lithium battery charging circuit consisting of a lithium battery charger TP4056 and a power supply conversion circuit consisting of a power supply conversion chip SP6203, and the power supply conversion circuit supplies power to the data processing module, the microprocessor module, the Flash memory module and the triaxial angular speed measuring unit.
4. The device for measuring the triaxial angular velocity in the projectile launching test according to claim 3, wherein the data processing module, the microprocessor module, the F1ash memory module and the lithium battery power supply module are placed in the casing after being encapsulated by epoxy resin and wrapped by polyethylene foam cotton, and are used for shock absorption and protection of circuits and components.
5. The device for measuring the triaxial angular velocity in the projectile launch test as claimed in claim 1, wherein the triaxial angular velocity measuring unit has a length of 27mm and a width of 20 mm.
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| CN202123110078.3U CN216558556U (en) | 2021-12-10 | 2021-12-10 | Triaxial angular velocity measuring device for projectile body launching test |
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| CN202123110078.3U CN216558556U (en) | 2021-12-10 | 2021-12-10 | Triaxial angular velocity measuring device for projectile body launching test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115683548A (en) * | 2022-09-20 | 2023-02-03 | 哈尔滨工程大学 | Missile-borne equipment for enhancing stability of water-entering test data |
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2021
- 2021-12-10 CN CN202123110078.3U patent/CN216558556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115683548A (en) * | 2022-09-20 | 2023-02-03 | 哈尔滨工程大学 | Missile-borne equipment for enhancing stability of water-entering test data |
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