CN114019376A - Testing device and testing method for permanent magnet synchronous motor in vacuum environment - Google Patents
Testing device and testing method for permanent magnet synchronous motor in vacuum environment Download PDFInfo
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- CN114019376A CN114019376A CN202111321957.2A CN202111321957A CN114019376A CN 114019376 A CN114019376 A CN 114019376A CN 202111321957 A CN202111321957 A CN 202111321957A CN 114019376 A CN114019376 A CN 114019376A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
A testing device for a permanent magnet synchronous motor in a vacuum environment and a testing technology for the permanent magnet synchronous motor are provided. The invention provides equipment and a method capable of realizing motor performance test, aiming at a permanent magnet synchronous motor control system in a vacuum environment. The technical scheme is as follows: the motor test platform is integrally placed in a vacuum environment, the motor is tested in a wireless controller mode, and meanwhile, the method can simultaneously test the starting, stopping, forward rotation, reverse rotation, acceleration and deceleration performances of the motor and the motor controller in the vacuum environment.
Description
Technical Field
The invention relates to a motor testing technology.
Background
The permanent magnet synchronous motor is widely applied to a servo system of a spacecraft due to the advantages of high power density and light weight, however, the severe extreme environment of the spacecraft presents a very high challenge corresponding to the performance of the motor, and the vacuum environment is one of the challenges. In order to test the performance of the permanent magnet synchronous motor and the controller thereof in a vacuum environment, an additional test platform needs to be built, so that the speed regulation, starting and stopping and steering change of the motor can be realized when the motor and the driver are ensured to be in the vacuum environment.
Disclosure of Invention
The invention provides equipment and a method capable of realizing motor performance test, aiming at a permanent magnet synchronous motor control system in a vacuum environment.
The technical scheme adopted by the invention is as follows:
the utility model provides a PMSM control system under vacuum environment, it includes PMSM body (5), machine controller (6) and power (7), power (7) provide working power supply, characterized by for PMSM body (5) through machine controller (6): the brake device also comprises a brake (2), a torque and rotating speed sensor (3), a wireless data transceiver (4) and a wireless remote controller (10); the brake (2), the torque and rotating speed sensor (3), the wireless data transceiver (4), the permanent magnet synchronous motor body (5), the motor controller (6) and the power supply (7) are positioned in a vacuum environment; the brake (2), the torque and speed sensor (3) and the permanent magnet synchronous motor body (5) are connected together through a coupler to realize coaxial motion, and the wireless data transceiver (4) is used for receiving wireless signals transmitted by a wireless remote controller (10);
the torque and rotating speed sensor (3) is used for acquiring torque and rotating speed data of the permanent magnet synchronous motor body (5);
and the control signal output end of the wireless data transceiver (4) is connected with the control signal input end of the motor controller (6).
Furthermore, the vacuum box also comprises a vacuum box (1), wherein the vacuum box (1) is internally provided with a vacuum environment; the brake (2), the torque and rotating speed sensor (3), the wireless data transceiver (4), the permanent magnet synchronous motor body (5), the motor controller (6) and the power supply (7) are positioned in the vacuum box (1);
furthermore, the wireless data transceiver (4) comprises a torque and rotating speed signal sampling module (41), a digital signal processing module (42) and a wireless signal transceiver module (43),
the torque and rotation speed signal sampling module (41) is used for receiving torque and rotation speed data sent by the torque and rotation speed sensor (3) and sending the torque and rotation speed data to the digital signal processing module (42);
the digital signal processing module (42) is used for processing the rotating speed data sent by the torque rotating speed signal sampling module (41), processing the signal sent by the wireless signal transceiving module (43), and sending the processed data to the motor controller (6);
the wireless signal transceiving module (43) is used for receiving wireless signals transmitted by the wireless remote controller (10) and transmitting the wireless signals to the digital signal processing module (42);
further, the wireless signals transmitted by the wireless remote controller (10) comprise a starting signal of the permanent magnet synchronous motor body (5), a stopping signal of the permanent magnet synchronous motor body (5), a forward rotation signal of the permanent magnet synchronous motor body (5), a reverse rotation signal of the permanent magnet synchronous motor body (5), an acceleration signal of the permanent magnet synchronous motor body (5) and a deceleration signal of the permanent magnet synchronous motor body (5).
The permanent magnet synchronous motor control method under the vacuum environment based on the system comprises the following steps:
step one, a brake (2), a torque and rotation speed sensor (3), a wireless data transceiver (4), a permanent magnet synchronous motor body (5), a motor controller (6) and a power supply (7) are sealed in a vacuum box (1), a wireless remote controller (10) is arranged outside the vacuum box (1), and the vacuum box (1) is vacuumized;
secondly, a wireless remote controller (10) is adopted to send a permanent magnet synchronous motor starting signal to a wireless signal transceiving module (43);
step three, the wireless signal receiving and transmitting module (43) receives the permanent magnet synchronous motor starting signal sent by the wireless remote controller (10) in the step two and sends the signal to the digital signal processing module (42);
step four, a digital signal processing module (42) processes the starting signal of the permanent magnet synchronous motor and sends the starting signal to a motor controller (6);
step five, the motor controller (6) controls the permanent magnet synchronous motor body (5) to work according to the starting signal of the permanent magnet synchronous motor processed by the digital signal processing module (42) in the step four;
step six, recording the starting state of the permanent magnet synchronous motor body (5) in the step five;
seventhly, the wireless remote controller (10) is adopted to send out a stop signal, a forward rotation signal, a reverse rotation signal, an acceleration signal or a deceleration signal of the permanent magnet synchronous motor to the wireless signal transceiving module (43) one by one;
step eight, the wireless signal receiving and transmitting module (43) receives the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor sent by the wireless remote controller (10) in the step two and sends the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal to the digital signal processing module (42);
step nine, the digital signal processing module (42) processes the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor one by one and sends the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal to the motor controller (6);
step ten, the motor controller (6) correspondingly controls the permanent magnet synchronous motor body (5) to work according to the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor processed by the digital signal processing module (42) in the step nine;
eleven, correspondingly recording a stop signal, a forward rotation signal, a reverse rotation signal, an acceleration signal or a deceleration state of the permanent magnet synchronous motor body (5) in the step ten;
and step twelve, taking the starting state of the permanent magnet synchronous motor body (5) recorded in the step six and the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration state of the permanent magnet synchronous motor body (5) recorded in the step eleven as the test result of the permanent magnet synchronous motor in the primary vacuum environment.
The invention has the following beneficial effects: by utilizing the method provided by the invention, the motor test platform can be integrally placed in a vacuum environment, the motor can be tested in a wireless controller mode, and meanwhile, the method can simultaneously test the performance of the motor and the motor controller in the vacuum environment.
Drawings
FIG. 1 is a schematic structural diagram of a testing device of a permanent magnet synchronous motor control system in a vacuum environment;
FIG. 2 is a functional block diagram on a wireless data transceiver;
fig. 3 is a schematic diagram of the distribution of keys of the wireless remote controller.
Detailed Description
The first embodiment is described with reference to fig. 1 to 3, and a permanent magnet synchronous motor control system in a vacuum environment comprises a permanent magnet synchronous motor body (5), a motor controller (6) and a power supply (7), wherein the power supply (7) provides a working power supply for the permanent magnet synchronous motor body (5) through the motor controller (6), and further comprises a brake (2), a torque and speed sensor (3), a wireless data transceiver (4) and a wireless remote controller (10); the brake (2), the torque and rotating speed sensor (3), the wireless data transceiver (4), the permanent magnet synchronous motor body (5), the motor controller (6), the power supply (7) and the wireless remote controller (10) are positioned in a vacuum environment; the brake (2), the torque and speed sensor (3) and the permanent magnet synchronous motor body (5) are connected together through a coupler to realize coaxial motion, and the wireless data transceiver (4) is used for receiving wireless signals transmitted by a wireless remote controller (10);
the torque and rotating speed sensor (3) is used for acquiring torque and rotating speed data of the permanent magnet synchronous motor body (5);
and the control signal output end of the wireless data transceiver (4) is connected with the control signal input end of the motor controller (6).
Furthermore, the vacuum box also comprises a vacuum box (1), wherein the vacuum box (1) is internally provided with a vacuum environment; the brake (2), the torque and rotating speed sensor (3), the wireless data transceiver (4), the permanent magnet synchronous motor body (5), the motor controller (6) and the power supply (7) are positioned in the vacuum box (1);
furthermore, the wireless data transceiver (4) comprises a torque and rotating speed signal sampling module (41), a digital signal processing module (42) and a wireless signal transceiver module (43),
the torque and rotation speed signal sampling module (41) is used for receiving torque and rotation speed data sent by the torque and rotation speed sensor (3) and sending the torque and rotation speed data to the digital signal processing module (42);
the digital signal processing module (42) is used for processing the rotating speed data sent by the torque rotating speed signal sampling module (41), processing the signal sent by the wireless signal transceiving module (43), and sending the processed data to the motor controller (6);
the wireless signal transceiving module (43) is used for receiving wireless signals transmitted by the wireless remote controller (10) and transmitting the wireless signals to the digital signal processing module (42);
further, the wireless signals transmitted by the wireless remote controller (10) comprise a starting signal of the permanent magnet synchronous motor body (5), a stopping signal of the permanent magnet synchronous motor body (5), a forward rotation signal of the permanent magnet synchronous motor body (5), a reverse rotation signal of the permanent magnet synchronous motor body (5), an acceleration signal of the permanent magnet synchronous motor body (5) and a deceleration signal of the permanent magnet synchronous motor body (5).
The working principle is as follows: FIG. 1 shows a testing device for a permanent magnet synchronous motor control system in a vacuum environment, which comprises a vacuum box (1), a brake (2), a torque and rotation speed sensor (3), a wireless data transceiver (4), a permanent magnet synchronous motor (5), a motor controller (6), a power supply (7) and a wireless remote controller (10); the power supply (7) is realized by a battery; the vacuum box (1) is required to cover all the parts except the wireless remote controller and be vacuumized. The brake (2), the torque and speed sensor (3) and the permanent magnet synchronous motor (5) need to be connected together by a coupler to realize coaxial rotation. The permanent magnet synchronous motor (5) is required to be connected with a motor controller (6), and the motor controller receives direct current from a battery and converts the direct current into three-phase alternating current to drive the motor to operate. The reason for adopting the battery as the energy source is to ensure that the vacuum cover is not connected with the outside by a cable. The wireless remote controller (10) sends signals of starting, stopping, positive and negative rotation and acceleration and deceleration of the motor, and the wireless data transceiver (4) can receive the signals of the remote controller and convert the signals into instructions to the motor controller (6). Meanwhile, the wireless data transceiver (4) receives signals of the rotating speed and the rotating torque from the rotating speed sensor (3) and sends the signals to the motor controller.
Fig. 2 shows a functional module of the wireless data transceiver (4), the rotational speed and torque signal sampling circuit is used to receive the signal sent by the rotational speed and torque sensor (3) and convert it into digital information to the digital signal processing unit, and the wireless signal transceiver module is also used to communicate with the digital signal processing unit and identify the command sent by the wireless remote controller (10). And finally, the digital signal processing unit is communicated with the motor controller (6), and the rotating speed, torque information and control instructions are sent to the motor controller (6), so that the motor is controlled in a wireless mode, and the motor is ensured to be tested in a vacuum environment.
Fig. 3 shows the key arrangement on the wireless remote controller (10), which needs to have the functions of starting, stopping, forward rotation, reverse rotation, acceleration, deceleration, etc., and after the corresponding key on the remote controller is pressed, the key is sent to the wireless data transceiver (4) through the antenna, so as to identify the motor control command.
In a second embodiment, a method for controlling a permanent magnet synchronous motor in a vacuum environment based on the first embodiment includes the following steps:
step one, a brake (2), a torque and rotation speed sensor (3), a wireless data transceiver (4), a permanent magnet synchronous motor body (5), a motor controller (6) and a power supply (7) are sealed in a vacuum box (1), a wireless remote controller (10) is arranged outside the vacuum box (1), and the vacuum box (1) is vacuumized;
secondly, a wireless remote controller (10) is adopted to send a permanent magnet synchronous motor starting signal to a wireless signal transceiving module (43);
step three, the wireless signal receiving and transmitting module (43) receives the permanent magnet synchronous motor starting signal sent by the wireless remote controller (10) in the step two and sends the signal to the digital signal processing module (42);
step four, a digital signal processing module (42) processes the starting signal of the permanent magnet synchronous motor and sends the starting signal to a motor controller (6);
step five, the motor controller (6) controls the permanent magnet synchronous motor body (5) to work according to the starting signal of the permanent magnet synchronous motor processed by the digital signal processing module (42) in the step four;
step six, recording the starting state of the permanent magnet synchronous motor body (5) in the step five;
seventhly, the wireless remote controller (10) is adopted to send out a stop signal, a forward rotation signal, a reverse rotation signal, an acceleration signal or a deceleration signal of the permanent magnet synchronous motor to the wireless signal transceiving module (43) one by one;
step eight, the wireless signal receiving and transmitting module (43) receives the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor sent by the wireless remote controller (10) in the step two and sends the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal to the digital signal processing module (42);
step nine, the digital signal processing module (42) processes the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor one by one and sends the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal to the motor controller (6);
step ten, the motor controller (6) correspondingly controls the permanent magnet synchronous motor body (5) to work according to the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor processed by the digital signal processing module (42) in the step nine;
eleven, correspondingly recording a stop signal, a forward rotation signal, a reverse rotation signal, an acceleration signal or a deceleration state of the permanent magnet synchronous motor body (5) in the step ten;
and step twelve, taking the starting state of the permanent magnet synchronous motor body (5) recorded in the step six and the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration state of the permanent magnet synchronous motor body (5) recorded in the step eleven as the test result of the permanent magnet synchronous motor in the primary vacuum environment.
Claims (5)
1. The utility model provides a PMSM's testing arrangement under vacuum environment, it includes PMSM body (5), motor controller (6) and power (7), power (7) provide working power supply, characterized by for PMSM body (5) through motor controller (6): the brake device also comprises a brake (2), a torque and rotating speed sensor (3), a wireless data transceiver (4) and a wireless remote controller (10); the brake (2), the torque and rotating speed sensor (3), the wireless data transceiver (4), the permanent magnet synchronous motor body (5), the motor controller (6) and the power supply (7) are positioned in a vacuum environment; the brake (2), the torque and speed sensor (3) and the permanent magnet synchronous motor body (5) are connected together through a coupler to realize coaxial motion, and the wireless data transceiver (4) is used for receiving wireless signals transmitted by a wireless remote controller (10);
the torque and rotating speed sensor (3) is used for acquiring torque and rotating speed data of the permanent magnet synchronous motor body (5);
and the control signal output end of the wireless data transceiver (4) is connected with the control signal input end of the motor controller (6).
2. The testing device of the permanent magnet synchronous motor in the vacuum environment is characterized by further comprising a vacuum box (1), wherein the vacuum box (1) is in the vacuum environment; the brake (2), the torque and rotating speed sensor (3), the wireless data transceiver (4), the permanent magnet synchronous motor body (5), the motor controller (6) and the power supply (7) are located in the vacuum box (1).
3. The testing device of the permanent magnet synchronous motor in the vacuum environment according to claim 2, wherein the wireless data transceiver (4) comprises a torque and rotating speed signal sampling module (41), a digital signal processing module (42) and a wireless signal transceiving module (43),
the torque and rotation speed signal sampling module (41) is used for receiving torque and rotation speed data sent by the torque and rotation speed sensor (3) and sending the torque and rotation speed data to the digital signal processing module (42);
the digital signal processing module (42) is used for processing the rotating speed data sent by the torque rotating speed signal sampling module (41), processing the signal sent by the wireless signal transceiving module (43), and sending the processed data to the motor controller (6);
the wireless signal transceiving module (43) is used for receiving the wireless signal transmitted by the wireless remote controller (10) and sending the wireless signal to the digital signal processing module (42).
4. The testing device of the permanent magnet synchronous motor in the vacuum environment according to claim 3, wherein the wireless signal transmitted by the wireless remote controller (10) comprises a start signal of the permanent magnet synchronous motor body (5), a stop signal of the permanent magnet synchronous motor body (5), a forward rotation signal of the permanent magnet synchronous motor body (5), a reverse rotation signal of the permanent magnet synchronous motor body (5), an acceleration signal of the permanent magnet synchronous motor body (5) and a deceleration signal of the permanent magnet synchronous motor body (5).
5. The method for testing the permanent magnet synchronous motor in the vacuum environment according to claim 4, wherein the method comprises the following steps: it comprises the following steps:
step one, a brake (2), a torque and rotation speed sensor (3), a wireless data transceiver (4), a permanent magnet synchronous motor body (5), a motor controller (6) and a power supply (7) are sealed in a vacuum box (1), a wireless remote controller (10) is arranged outside the vacuum box (1), and the vacuum box (1) is vacuumized;
secondly, a wireless remote controller (10) is adopted to send a permanent magnet synchronous motor starting signal to a wireless signal transceiving module (43);
step three, the wireless signal receiving and transmitting module (43) receives the permanent magnet synchronous motor starting signal sent by the wireless remote controller (10) in the step two and sends the signal to the digital signal processing module (42);
step four, a digital signal processing module (42) processes the starting signal of the permanent magnet synchronous motor and sends the starting signal to a motor controller (6);
step five, the motor controller (6) controls the permanent magnet synchronous motor body (5) to work according to the starting signal of the permanent magnet synchronous motor processed by the digital signal processing module (42) in the step four;
step six, recording the starting state of the permanent magnet synchronous motor body (5) in the step five;
seventhly, the wireless remote controller (10) is adopted to send out a stop signal, a forward rotation signal, a reverse rotation signal, an acceleration signal or a deceleration signal of the permanent magnet synchronous motor to the wireless signal transceiving module (43) one by one;
step eight, the wireless signal receiving and transmitting module (43) receives the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor, which is sent by the wireless remote controller (10) in the step two, and sends the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal to the digital signal processing module (42);
step nine, the digital signal processing module (42) processes the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor one by one and sends the signals to the motor controller (6);
step ten, the motor controller (6) correspondingly controls the permanent magnet synchronous motor body (5) to work according to the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration signal of the permanent magnet synchronous motor processed by the digital signal processing module (42) in the step nine;
eleven, correspondingly recording a stop signal, a forward rotation signal, a reverse rotation signal, an acceleration signal or a deceleration state of the permanent magnet synchronous motor body (5) in the step ten;
and step twelve, taking the starting state of the permanent magnet synchronous motor body (5) recorded in the step six and the stop signal, the forward rotation signal, the reverse rotation signal, the acceleration signal or the deceleration state of the permanent magnet synchronous motor body (5) recorded in the step eleven as the test result of the permanent magnet synchronous motor in the primary vacuum environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111321957.2A CN114019376A (en) | 2021-11-09 | 2021-11-09 | Testing device and testing method for permanent magnet synchronous motor in vacuum environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111321957.2A CN114019376A (en) | 2021-11-09 | 2021-11-09 | Testing device and testing method for permanent magnet synchronous motor in vacuum environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233603A (en) * | 2023-11-16 | 2023-12-15 | 中国航空工业集团公司沈阳空气动力研究所 | Permanent magnet synchronous motor monitoring device operated in vacuum environment and fault diagnosis method |
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