CN212362989U - Built-in shell motion attitude detection device - Google Patents
Built-in shell motion attitude detection device Download PDFInfo
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- CN212362989U CN212362989U CN202020918206.3U CN202020918206U CN212362989U CN 212362989 U CN212362989 U CN 212362989U CN 202020918206 U CN202020918206 U CN 202020918206U CN 212362989 U CN212362989 U CN 212362989U
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Abstract
The utility model relates to a built-in shell motion attitude detection device, which comprises a built-in action measurement module and an action analysis display module, wherein the built-in action measurement module is connected with the action analysis display module through a wireless communication module; the built-in action measuring module is arranged in the simulated bomb body and comprises a main controller, and the main controller is connected with an acceleration sensor, an angular velocity sensor and a memory; the action analysis display module comprises an upper computer, and the upper computer is connected with a measurement management database, an action attitude resolving unit and a visual display unit. The utility model discloses but the direct measurement projectile body is at whole gesture, speed, acceleration and the positional information who loads the process to through 3D modeling and motion data's visual analysis, acquire the chronogenesis and the efficiency of each mechanism, provide technical support for coordination uniformity and the combat reaction time that improve the actions of mechanisms such as automatic ammunition feed machine.
Description
Technical Field
The utility model belongs to the technical field of high accuracy motion detection in the enclosure space, concretely relates to built-in shell motion gesture detection device.
Background
With the development of science and technology and the attention paid to national defense science and technology, the testing and research on the flying posture of the cannonball are developed under the large environment. The method can be used for detecting the key parameters of the cannonball when moving in the closed launching process.
The existing technology for detecting the movement posture of the cannonball is a laser method, namely, a laser transmitting device and a laser receiving device are arranged on the upper inner wall or the lower inner wall of a cannonball bore, a plurality of plane mirrors are respectively arranged on the upper inner wall and the lower inner wall of a cannonball flow-through speed measuring frame between the laser transmitting device and the laser receiving device, and laser points acquired by installing a laser displacement sensor in a cannonball and moving target pixel coordinates are collected to realize the rough positioning of a moving target.
The defects of the existing method are that the target is only roughly positioned, and the target is very easily influenced by the outside world, the measuring result is inaccurate due to the serious interference of other light waves, and the motion state of the target in the whole process cannot be visually observed, and the utility model discloses these problems have been solved well.
Disclosure of Invention
The utility model provides a built-in shell motion gesture detection device has solved the problem of the situation of unable concrete understanding motion in shell seals the transmission process.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a built-in shell motion attitude detection device comprises a built-in action measurement module and an action analysis display module, wherein the built-in action measurement module is connected with the action analysis display module through a wireless communication module; the built-in action measuring module is arranged in the simulated bomb body and comprises a main controller, and the main controller is connected with an acceleration sensor, an angular velocity sensor and a memory; the main controller, the acceleration sensor, the angular velocity sensor and the memory are all connected with a mobile power supply; the action analysis display module comprises an upper computer, and the upper computer is connected with a measurement management database, an action attitude resolving unit and a visual display unit.
Further, the acceleration sensor and the angular velocity sensor adopt nine-axis attitude sensors integrating functions of the acceleration sensor and the angular velocity sensor, and the model of the acceleration sensor and the angular velocity sensor is MPU 9250.
Furthermore, the main controller selects an ARM main controller, and the model is STM32F 767.
Further, the memory is a NAND Flash memory.
Furthermore, the wireless communication module is a ZigBee communication module.
The utility model has the advantages as follows:
the utility model discloses the system places the simulation projectile body in multiaxis gesture and acceleration sensing module in, but the direct measurement projectile body is at whole gesture, speed, acceleration and the positional information who loads the process to through 3D modeling and motion data's visual analysis, acquire the chronogenesis and the efficiency of each mechanism, provide technical support for the coordination uniformity and the combat reaction time that improve the action of mechanisms such as automatic ammunition feed machine.
The utility model relates to a rationally, utilize the combination that attitude sensor and computer ground model resolved, solved the problem of the situation of can't specifically know the motion in the shell seals the transmission process to simulate out shell motion overall process, provide the help of lifting the weight for the aspect of research improvement shell outgoing parameter etc..
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FIG. 1 is a schematic block diagram of the system of the present invention;
fig. 2 is a functional distribution diagram of the upper computer of the utility model;
fig. 3 is a block diagram of the posture resolving of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying examples, and it is obvious that the described examples are only some of the examples of the present invention, not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the built-in shell motion attitude detection device comprises a built-in motion measurement module and a motion analysis display module, wherein the built-in motion measurement module and the motion analysis display module are connected through a wireless communication module; the built-in action measuring module is arranged in the simulated bomb body and comprises a main controller, and the main controller is connected with an acceleration sensor, an angular velocity sensor and a memory; the main controller, the acceleration sensor, the angular velocity sensor and the memory are all connected with a mobile power supply; the action analysis display module comprises an upper computer, and the upper computer is connected with a measurement management database, an action attitude resolving unit and a visual display unit.
Referring to fig. 2, the upper computer includes a port number selection unit, a serial protocol setting unit, an instruction sending unit, and a text display area.
In an embodiment of the utility model, the acceleration sensor and the angular velocity sensor adopt nine-axis attitude sensors integrating functions of the acceleration sensor and the angular velocity sensor, and the model is MPU 9250; of course, it is within the scope of the present application to select other types of acceleration sensors and angular velocity sensors by those skilled in the art without any creative effort.
The main controller adopts an ARM main controller, and in one embodiment of the utility model, the specific model is STM32F 767; the memory is an NAND Flash memory; the wireless communication module adopts a ZigBee communication module.
The utility model discloses the action measurement analysis method of device, including following step:
step (1), a built-in action measuring module is arranged in a simulated projectile body, and a nine-axis attitude sensor acquires linear acceleration information and angular velocity information of the projectile body;
step (2), the STM32F767 main controller drives the MPU9250 attitude sensor through the IIC protocol, reads the original data of the MPU9250 attitude sensor, and realizes attitude calculation by combining DMP of the MPU9250 with an MPL library;
step (3) on the basis of acquiring the posture and acceleration data, the STM32F767 main controller drives the nonvolatile NAND Flash memory in a serial protocol mode, access control on the MX35LF2GE4AB type NAND Flash memory is achieved, posture and acceleration data are written or read, and data caching is achieved;
step (4), the ZigBee communication module sends out an instruction through wireless transmission to initialize and calibrate the MPU9250 attitude sensor, and transmits the measurement data of the MPU9250 attitude sensor to an upper computer in real time; the system of the upper computer comprises a port number selection unit, a serial port protocol setting unit, an instruction sending unit and a text display area; and (4) correctly selecting a local port number, configuring corresponding parameters according to a serial port protocol, and further inputting a sent instruction to control each controller of the lower computer.
And (5) the upper computer sends the instruction to the lower computer in a hexadecimal mode, the lower computer firstly carries out a series of operations such as power-on reset, initialization of corresponding configuration and the like, then generates a pulse number in a timer mode according to the received content and enables a corresponding IO port, and the IO port is connected with the sensor to complete processing such as sensor data acquisition and real-time transmission.
Step (6), the resolved attitude information is converted into a motion data format of a three-dimensional graph and is output to a visual display unit; establishing a simulated three-dimensional visual model according to the actual mechanism size and the projectile body size; loading a motion data file, performing model transformation, view transformation, projection transformation and view port transformation based on a function of three-dimensional object transformation and rotation, finally converting the model into a window for display, and analyzing the consumed time of each action and the motion parameters of the projectile body, such as speed, acceleration and posture and the like, which change along with time in detail by combining the action process of the automatic feeder so as to evaluate the action efficiency of the mechanism, and referring to fig. 3.
And (7) storing the test data and the analysis result into a special database, so that the inquiry, management and monitoring of the mechanism state are facilitated, and data support is provided for the maintenance guarantee of the ammunition feeder.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. Any partial modification or replacement within the technical scope of the present invention disclosed by the present invention should be covered by the present invention.
Claims (5)
1. A built-in shell motion attitude detection device is characterized by comprising a built-in action measurement module and an action analysis display module, wherein the built-in action measurement module is connected with the action analysis display module through a wireless communication module; the built-in action measuring module is arranged in the simulated bomb body and comprises a main controller, and the main controller is connected with an acceleration sensor, an angular velocity sensor and a memory; the main controller, the acceleration sensor, the angular velocity sensor and the memory are all connected with a mobile power supply; the action analysis display module comprises an upper computer, and the upper computer is connected with a measurement management database, an action attitude resolving unit and a visual display unit.
2. The built-in shell motion attitude detection device as claimed in claim 1, wherein the acceleration sensor and the angular velocity sensor are nine-axis attitude sensors integrating functions of the acceleration sensor and the angular velocity sensor, and the model of the acceleration sensor and the angular velocity sensor is MPU 9250.
3. The built-in shell motion gesture detection device of claim 1 or 2, wherein the main controller is an ARM main controller, and the model is STM32F 767.
4. The built-in shell motion gesture detection apparatus of claim 3, wherein the memory is a NAND Flash memory.
5. The built-in shell motion gesture detection device of claim 3, wherein the wireless communication module is a ZigBee communication module.
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| CN202020918206.3U CN212362989U (en) | 2020-05-27 | 2020-05-27 | Built-in shell motion attitude detection device |
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| CN202020918206.3U CN212362989U (en) | 2020-05-27 | 2020-05-27 | Built-in shell motion attitude detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504144A (en) * | 2020-05-27 | 2020-08-07 | 西安工业大学 | Built-in shell action detection system and action measurement analysis method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504144A (en) * | 2020-05-27 | 2020-08-07 | 西安工业大学 | Built-in shell action detection system and action measurement analysis method thereof |
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