Flywheel shafting automatic examination case

Abstract

A flywheel shaft system automatic examination case can integrate temperature, power consumption, rotating speed, vibration and current monitoring modules, greatly reduces the size of a flywheel shaft system automatic examination system, and is compact and reasonable in layout, capable of automatically obtaining data and accurate in measurement. Comprising a front panel (1), a rear panel (2), a case body (3), a case cover (4) and a shafting examination control assembly (5), a front panel is provided with a display screen (11), a switch button (12), a restart button (13) and an alarm buzzer (14); the rear panel is provided with a driving motor interface (21), and the sensor input interfaces and the driving motor interface are connected with a monitored motor and a load; the shafting examination control assembly is installed in three layers, namely an upper layer control assembly (51), a middle layer control assembly (52) and a lower layer control assembly (53), the layers are connected and supported through round supporting rods (54), and the middle of each round supporting rod is of a regular hexagon structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of space vehicles, especially to a flywheel shafting automatic examination machine case. BACKGROUND

[0002] The attitude control subsystem is the core key component for ensuring the on-orbit life and mission effectiveness of a space vehicle, and the reaction flywheel is an important part of the attitude control subsystem, so the eligibility and reliability of each component of the reaction flywheel cannot be tolerated. To evaluate some reliable parameters of the motor, which is an important component of the reaction flywheel, under different load output torques, the temperature, motor speed, vibration and current data of the motor are monitored under the condition that the motor has different loads. These important parameters are used as important basis for selecting the motor and mass block of the reaction flywheel. Obviously, to obtain these important parameters, using separate temperature, power consumption, speed, vibration and current monitoring instruments will cause the equipment to be large in size, disordered in arrangement, low in manual measurement efficiency and inaccurate in measurement. SUMMARY

[0003] To overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a flywheel shafting automatic examination machine case, which can integrate temperature, power consumption, speed, vibration and current monitoring modules, greatly reduce the size of the flywheel shafting automatic examination system, and automatically obtain accurate measurement data.

[0004] The technical scheme of the utility model is as follows: the flywheel shafting automatic examination machine case comprises a front panel (1), a rear panel (2), a machine case body (3), a case cover (4) and a shafting examination control assembly (5).

[0005] The front panel is provided with a display screen (11), a switch button (12), a restart button (13) and an alarm buzzer (14).

[0006] The rear panel is provided with a driving motor interface (21) and various sensor input interfaces, and the driving motor interface is connected to the monitored motor and load.

[0007] The shafting examination control assembly is installed in three layers, namely an upper control assembly (51), a middle control assembly (52) and a lower control assembly (53), and the layers are connected and supported by circular struts (54), which are hexagonal structures.

[0008] The upper layer control assembly comprises a shafting control assembly (511) and a Raspberry Pi (512), the shafting control assembly is fixed on one side of an upper layer mounting plate (513) through a ring-shaped mounting bracket, two flywheel control boards for controlling the running states of two flywheel shaftings are symmetrically installed on an adapter plate, the Raspberry Pi processes data of each acquisition module and transmits the data to a display screen of a front panel through an HDMI interface;

[0009] The middle layer control assembly comprises a current acquisition module (521), a temperature acquisition module (522), a vibration acquisition module (523) and a rotating speed acquisition module (524), the current acquisition module is fixedly connected to a middle layer mounting plate (525) through a current measurement module fixing clamp (526), monitors power consumption of the whole system and observes real-time current data in the running process of a single flywheel shafting, the temperature acquisition module is connected to a temperature sensor through an output interface of a rear panel, acquires temperature changes in the running process of a motor, the vibration acquisition module is connected to an acceleration sensor, collects vibration data in each stage of the running of a flywheel shafting assembly, 2 sets of acceleration sensors correspond to 2 sets of shafting assemblies and are placed at left and right positions of the cabinet, the rotating speed acquisition module is connected to a rotating speed sensor outside the cabinet, monitors rotating speed changes of the motor connected to a load under different instructions in real time, 2 sets of line rod fixing devices are installed between the acquisition modules on the middle layer mounting plate;

[0010] The lower layer control assembly comprises a serial port server (531), a PCU unit (532) and a differential conversion collector (533), the serial port server performs signal processing of serial port conversion into Ethernet, then transmits the signal to the Raspberry Pi through Ethernet, the serial port server is fixedly locked on a lower layer mounting plate (534) through an L-shaped connecting bracket (535), the PCU unit supplies power to each module and an electric appliance in the cabinet, the differential conversion collector converts differential signals into collector signals, and the differential conversion collector is fixed on the lower layer mounting plate through a fixing bracket (536); the three layer control assemblies are supported by studs (55) and install line rods (56), the line rods fix cables on each device.

[0011] The current acquisition module of this invention is clamped to the middle mounting plate using a current measurement module fixing clip. It monitors the power consumption of the entire system and observes real-time current data during the operation of a single flywheel shaft system. The temperature acquisition module is connected to a temperature sensor via the rear panel output interface to collect temperature changes during motor operation. The vibration acquisition module is connected to an accelerometer to collect vibration data at various stages of flywheel shaft system assembly operation. Two sets of accelerometers correspond to two sets of shaft system assemblies and are placed on the left and right sides of the chassis. The speed acquisition module is connected to a speed sensor outside the chassis to monitor the speed changes of the motor connected to the load under different commands in real time. Therefore, it can... The system integrates temperature, power consumption, speed, vibration, and current monitoring modules. The shaft system assessment control component is installed in three layers, with studs supporting the three layers. Cable guides are installed between the layers, and the layers are connected and supported by circular support rods. The circular support rods have a regular hexagonal structure in the middle, which greatly reduces the size of the flywheel shaft system automatic assessment system, resulting in a compact and reasonable layout. The shaft system control component controls the operation of two flywheel shaft systems. Two flywheel control boards are mounted symmetrically on the adapter board. The Raspberry Pi processes the data from each acquisition module and transmits it to the display screen on the front panel via an HDMI interface, thus automatically acquiring data and measuring accurately. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the external appearance of the automatic test chassis for the flywheel shaft system according to this utility model.

[0013] Figure 2 This is a disassembled structural diagram of the automatic test chassis for the flywheel shaft system according to this utility model.

[0014] Figure 3 This is another external schematic diagram of the automatic test chassis for the flywheel shaft system according to this utility model.

[0015] Figure 4 This is a structural schematic diagram of the shaft system assessment and control component according to this utility model.

[0016] Figure 5 This is a structural schematic diagram of the upper control component according to the present invention.

[0017] Figure 6 This is a structural schematic diagram of the middle layer control component according to the present invention.

[0018] Figure 7 This is a structural schematic diagram of the lower-level control component according to the present invention. Detailed Implementation

[0019] like Figures 1-7 As shown, this automatic test chassis for flywheel shaft system includes: a front panel 1, a rear panel 2, a chassis body 3, a cover 4, and a shaft system test control component 5.

[0020] The front panel is provided with a display screen 11, a switch button 12, a restart button 13 and an alarm buzzer 14;

[0021] The rear panel is provided with a driving motor interface 21 and various sensor input interfaces, and the driving motor interface is connected to the monitored motor and load;

[0022] The shafting examination control assembly is installed in three layers, namely an upper control assembly 51, a middle control assembly 52 and a lower control assembly 53, and the layers are connected and supported by circular struts 54, the middle of which is a regular hexagonal structure;

[0023] The upper control assembly includes a shafting control assembly 511 and a Raspberry Pi 512, the shafting control assembly is fixed on one side of an upper installation plate 513 through a ring-shaped mounting bracket, two flywheel control boards for controlling the running state of two flywheel shaftings are installed on an adapter plate in a symmetrical manner, the Raspberry Pi processes the data of various acquisition modules and transmits the data to the display screen of the front panel through an HDMI interface;

[0024] The middle control assembly includes a current acquisition module 521, a temperature acquisition module 522, a vibration acquisition module 523 and a rotating speed acquisition module 524, the current acquisition module is fixed and connected to a middle installation plate 525 by a current measurement module fixed clamp 526, monitors the power consumption of the whole system and observes the real-time current data in the running process of a single flywheel shafting, the temperature acquisition module is connected to a temperature sensor through an output interface of the rear panel, acquires the temperature change in the running process of the motor, the vibration acquisition module is connected to an acceleration sensor, collects the vibration data of the flywheel shafting assembly in each stage, 2 sets of acceleration sensors correspond to 2 sets of shafting assemblies and are placed at the left and right positions of the case, the rotating speed acquisition module is connected to a rotating speed sensor outside the case, monitors the rotating speed change of the motor connected to the load under different instructions in real time, and 2 sets of line rod fixing devices are installed between the acquisition modules on the middle installation plate;

[0025] The lower control assembly includes a serial port server 531, a PCU unit 532 and a differential conversion electrode 533, the serial port server performs signal processing of serial port conversion to Ethernet, and then transmits the signal to the Raspberry Pi through Ethernet, the serial port server is locked and fixed on a lower installation plate 534 by an L-shaped connecting bracket 535, the PCU unit supplies power to each module and electrical appliance in the case, and the differential conversion electrode converts differential signals to electrode signals, and the differential conversion electrode is fixed on the lower installation plate by a fixing bracket 536; the three control assemblies are supported by studs 55, and line rods 56 are installed, which fix the cables on each device.

[0026] The current acquisition module is fixedly connected to the middle layer mounting plate through the current measurement module, the power consumption of the whole system is monitored, the real-time current data in the operation process of the single flywheel shaft system is observed, the temperature acquisition module is connected to the temperature sensor through the output interface of the rear panel, the temperature change in the operation process of the motor is acquired, the vibration acquisition module is connected to the acceleration sensor, the vibration data of each stage of the flywheel shaft system component is collected, two groups of acceleration sensors correspond to two groups of shaft system components, and are arranged at the left and right positions of the case; the rotating speed acquisition module is connected to the rotating speed sensor outside the case body, the rotating speed change of the motor connected to the load under different instructions is monitored in real time, so that the temperature, power consumption, rotating speed, vibration and current monitoring modules can be integrated; the shaft system examination control component is installed in three layers, the three layers of control components are supported by the stud, the tie rod is installed, the cables on the devices are fixed between the layers through the round support rod, the middle of the round support rod is a regular hexagonal structure, the volume of the flywheel shaft system automatic examination system is greatly reduced, and the layout is compact and reasonable; the two flywheel control plates for controlling the operation state of the two flywheel shaft systems are installed on the adapter plate in an up-down symmetrical mode, the raspberry pi processes the data of each acquisition module, and is transmitted to the display screen of the front panel through the HDMI interface, so that the data is automatically acquired and the measurement is accurate.

[0027] Preferably, the upper and middle layer mounting plates are provided with threading grooves 57. The wiring of the control elements on the upper layer mounting plate and the control elements on the middle layer mounting plate is convenient and orderly, and the wiring of the control elements on the middle layer mounting plate and the control elements on the lower layer mounting plate is convenient and orderly.

[0028] Preferably, the rear panel is provided with a small fan 22, and the small fan is provided with dustproof cotton. The air circulation in the case can be increased, the heat dissipation rate can be improved, and foreign matters can be effectively prevented from entering the case.

[0029] Preferably, the raspberry pi is provided with a slotted heat dissipation block, and a fan is arranged above the heat dissipation block. In this way, the temperature conduction of the raspberry pi can be effectively improved.

[0030] Preferably, the front panel is provided with a handle 15, and the case body is provided with a handle 31. The handle has a support mechanism which is turned towards the lower part of the case body, and the case can be viewed at an inclined angle.

[0031] Preferably, a 4G communication module 515 is arranged on the mounting plate on which the raspberry pi is arranged, so that the data transmission of the whole control system is faster.

[0032] Preferably, a USB splitter 514 is arranged on the upper layer mounting plate, and a USB interface expansion plate 516 is used to press the USB splitter, and the plate avoids the outlet of the USB. The USB splitter is used to expand the USB interface, and is used to expand the connection of devices with USB interfaces, such as the connection of a mouse and a keyboard.

[0033] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A flywheel shafting automatic examination machine case, characterized in that: It includes: The front panel (1), the back panel (2), the cabinet body (3), the box cover (4), the shafting examination control assembly (5); The front panel is provided with a display screen (11), a switch button (12), a restart button (13) and an alarm buzzer (14); The back panel is provided with a driving motor interface (21) and various sensor input interfaces, and the driving motor interface is connected with the monitored motor and load; The shafting examination control assembly is installed in three layers, which are an upper control assembly (51), a middle control assembly (52) and a lower control assembly (53), and the layers are connected and supported by circular struts (54), the middle of which is a regular hexagonal structure; The upper control assembly includes a shafting control assembly (511) and a Raspberry Pi (512), the shafting control assembly is fixed on one side of an upper installation plate (513) through a ring-shaped mounting bracket, two flywheel control boards for controlling the running state of two flywheel shafts are symmetrically installed on an adapter plate, the Raspberry Pi processes the data of various acquisition modules and transmits the data to the display screen of the front panel through an HDMI interface; The middle control assembly includes a current acquisition module (521), a temperature acquisition module (522), a vibration acquisition module (523) and a rotating speed acquisition module (524), the current acquisition module is fixed and tightly connected to the middle installation plate (525) by a current measurement module fixing clamp (526), monitors the power consumption of the whole system and observes the real-time current data during the operation of a single flywheel shaft, the temperature acquisition module is connected with a temperature sensor through an output interface of the back panel, acquires the temperature change during the operation of the motor, the vibration acquisition module is connected with an acceleration sensor, collects the vibration data of the flywheel shaft assembly in each stage, 2 sets of acceleration sensors correspond to 2 sets of shaft assemblies and are placed at the left and right positions of the cabinet, the rotating speed acquisition module is connected with a rotating speed sensor outside the cabinet, monitors the rotating speed change of the motor connected with the load under different instructions in real time, and 2 sets of line rod fixing devices are installed between the acquisition modules on the middle installation plate; The lower control assembly includes a serial port server (531), a PCU unit (532) and a differential conversion electrode (533), the serial port server performs signal processing of serial port conversion to Ethernet, and then transmits the signal to the Raspberry Pi through Ethernet, the serial port server is locked and fixed on the lower installation plate (534) by an L-shaped connection support (535), the PCU unit supplies power to each module and electrical appliance in the cabinet, and the differential conversion electrode converts differential signals into electrode signals, and is fixed on the lower installation plate by a fixing support (536); the three control assemblies are supported by studs (55), and line rods (56) are installed, which fix the cables on various devices.

2. The flywheel shafting automatic test machine according to claim 1, characterized in that: The upper and middle installation plates are both provided with threading grooves (57).

3. The flywheel shafting automatic test machine according to claim 2, characterized in that: The back panel is provided with a small fan (22) with dustproof cotton.

4. The flywheel shafting automatic test machine of claim 3, wherein: The Raspberry Pi is provided with a slot heat dissipation block, and a fan is arranged above the heat dissipation block.

5. The flywheel shafting automatic test machine according to claim 4, characterized in that: The front panel is provided with a handle (15), and the cabinet body is provided with a handle (31), which has a support mechanism that is turned towards the lower part of the cabinet body.

6. The flywheel shafting automatic test machine of claim 5, wherein: A 4G communication module (515) is additionally arranged on the installation plate where the Raspberry Pi is arranged.

7. The flywheel shafting automatic test machine according to claim 6, characterized in that: The upper layer mounting plate is provided with a USB splitter (514), and the USB splitter is pressed by an expansion port pressing plate (516), and the pressing plate avoids the outlet of the USB.

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