CN114448155B - High-power surface permanent magnet synchronous motor optimal control method - Google Patents
High-power surface permanent magnet synchronous motor optimal control method Download PDFInfo
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- CN114448155B CN114448155B CN202210127854.0A CN202210127854A CN114448155B CN 114448155 B CN114448155 B CN 114448155B CN 202210127854 A CN202210127854 A CN 202210127854A CN 114448155 B CN114448155 B CN 114448155B
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- cover
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- inner cavity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a high-power surface permanent magnet synchronous motor optimization control method in the technical field of permanent magnet synchronous motor control, which comprises the following steps: the base and the motor body; the motor body is installed on the top wall of the base, the installation cover is installed on the top wall of the base, and covers the motor body, and the control method comprises the following steps: the method specifically comprises the following steps of: the motor body is arranged above the base, and is covered by the mounting cover, so that the motor body works in the inner cavity of the mounting cover to isolate external interference; and a second step of: in the in-process of work, carry out real-time supervision by temperature sensor to the inside temperature of installation cover, guarantee motor body's operational environment, optimize motor body work, through installing motor body in the top of base in the device to cover motor body by the installation cover, isolated external interference to motor body guarantees permanent magnet synchronous motor's normal operating condition.
Description
Technical Field
The invention relates to the technical field of permanent magnet synchronous motor control, in particular to a high-power surface permanent magnet synchronous motor optimal control method.
Background
The permanent magnet synchronous motor is one of motors and mainly comprises a stator, a rotor, an end cover and other parts. In the working process of the existing permanent magnet synchronous motor, in order to ensure the working state of the permanent magnet synchronous motor, the motor needs to be controlled and optimized, however, the working environment of the motor can influence the working of the motor, and the poor working environment can influence the normal working of the motor.
Disclosure of Invention
The invention aims to provide an optimal control method for a high-power surface permanent magnet synchronous motor, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an optimized control method for a high-power surface permanent magnet synchronous motor comprises the following steps: the base and the motor body;
the motor body is arranged on the top wall of the base, the mounting cover is arranged on the top wall of the base, and the mounting cover covers the motor body;
the control method comprises the following steps: the method specifically comprises the following steps:
the first step: the motor body is arranged above the base, and is covered by the mounting cover, so that the motor body works in the inner cavity of the mounting cover to isolate external interference;
and a second step of: in the in-process of work, carry out real-time supervision by temperature sensor to the inside temperature of installing the cover, when detecting that the inside temperature of installing the cover is higher, by controller control actuating mechanism work, make the baffle rotate, open the installing port, and make the fan work, cool down the inside heat dissipation of installing the cover, after the temperature reduces, the fan stops working, and actuating mechanism takes the baffle to rotate, block the installing port, if the inside temperature of installing the cover is lower, then the work of controller control heater, heat the inside operational environment of motor body of guaranteeing, optimize motor body work.
Preferably, the mounting cover comprises a cover body and a top cover, the cover body is mounted on the top wall of the base and covers the motor body, the top cover is placed on the top wall of the cover body,
the connecting blocks are arranged on the left side and the right side of the bottom wall of the top cover, connecting grooves are formed in the left side wall and the right side wall of the top cover, connecting blocks are inserted into inner cavities of the connecting grooves, placing grooves are formed in the outer walls of the connecting blocks, the inner cavities of the placing grooves are slidably inserted into the fixing blocks through elastic pieces, fixing grooves are formed in the inner walls of the connecting grooves, one ends, far away from the connecting blocks, of the fixing blocks are inserted into the inner cavities of the fixing grooves, two groups of pulling blocks are symmetrically and slidably arranged on the top wall of the top cover, and connecting ropes are arranged between the outer walls of the pulling blocks and the outer walls of the fixing blocks.
Preferably, the front side wall and the rear side wall of the cover body are provided with mounting openings, the inner cavity of each mounting opening is provided with a fan, the inner cavity of each mounting opening is provided with a filter screen at the rear side, and the filter screen is positioned at the rear side of the fan.
Preferably, the baffle plates are arranged on the front side wall and the rear side wall of the cover body, the baffle plates are positioned on the outer side of the mounting opening, and the baffle plates are rotatably arranged on the outer wall of the cover body through the driving mechanism.
Preferably, the top cover bottom wall is provided with a mounting plate, the mounting plate bottom wall is provided with a temperature sensor and a controller, and the controller is electrically connected with the driving mechanism and the temperature sensor.
Preferably, a heater is arranged on the left side of the inner cavity of the cover body, and the heater is electrically connected with the controller.
Preferably, the protection box is installed on the left side wall of the cover body, the moving plate is installed on the right side of the inner cavity of the protection box in a sliding mode through the elastic piece, an opening is formed in the connecting position of the cover body and the protection box, and the cover body is communicated with the inner cavity of the protection box through the opening.
Preferably, the top wall of the base is provided with an inserting block, the cross section of the inserting block is in a shape like a Chinese character 'Hui', the bottom wall of the cover body is provided with a slot matched with the inserting block, the inserting block is inserted into the inner cavity of the slot, the inner wall and the outer wall of the inserting block are respectively provided with an elastic pad, the outer wall of the elastic pad is attached to the inner wall of the slot,
wherein, the ventilation groove has been seted up to the inserted block inner wall, even hole has been seted up to opening inner chamber bottom, and even hole and ventilation groove inner chamber intercommunication.
Compared with the prior art, the invention has the beneficial effects that: in the device, the motor body is arranged above the base and covered by the mounting cover, so that the interference of the outside to the motor body is isolated, when the working environment where the motor body is positioned is higher or lower in temperature, the environment where the motor body is positioned can be cooled and heated, the working environment where the motor body is positioned is optimized, the working state of the motor body is optimized, and the normal working state of the permanent magnet synchronous motor is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the present invention at A;
FIG. 3 is a schematic view of the connection structure between the cover and the baffle plate according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention at B;
fig. 5 is an enlarged schematic view of the structure at C of the present invention.
In the figure: 1. a base; 2. a motor body; 3. a mounting cover; 31. a cover body; 32. a top cover; 4. a mounting port; 5. a fan; 6. a filter screen; 7. a mounting plate; 8. a heater; 9. a temperature sensor; 10. a controller; 11. a baffle; 12. a protection box; 13. connecting blocks; 14. a mounting groove; 15. a fixed block; 16. pulling blocks; 17. a connecting rope; 18. a connecting groove; 19. a moving plate; 20. an opening; 21. a slot; 22. inserting blocks; 23. an elastic pad.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the invention provides a technical scheme that: referring to fig. 1, the method for optimizing and controlling the high-power surface permanent magnet synchronous motor includes: the base 1 and the motor body 2;
the motor body 2 (permanent magnet synchronous motor) is fixedly mounted on the top wall of the base 1 through bolts, the mounting cover 3 covering the motor body 2 is mounted on the top wall of the base 1, so that the motor body 2 is separated from the outside, the outside interference is isolated, the working environment of the motor body 2 is optimized, and the working state of the motor body 2 is ensured;
referring to fig. 1 and 4, the mounting cover 3 is composed of a cover body 31 and a top cover 32, the cover body 31 is mounted on the top wall of the base 1 and covers the motor body 2, the top cover 32 is mounted on the top wall of the cover body 31,
the connecting blocks 13 are arranged on the left and right sides of the bottom wall of the top cover 32, connecting grooves 18 are formed in the left and right side walls of the top of the cover body 31, the connecting blocks 13 are inserted into the inner cavities of the connecting grooves 18, the outer walls of the connecting blocks 13 are provided with the placing grooves 14, the inner cavities of the placing grooves 14 are slidably inserted into the fixing blocks 15 through elastic pieces, the fixing blocks 15 can move left and right in the inner cavities of the placing grooves 14, the inner walls of the connecting grooves 18 are provided with fixing grooves, one end of each fixing block 15 far away from each connecting block 13 is inserted into the inner cavity of each fixing groove, two groups of pull blocks 16 are symmetrically and slidably arranged on the top wall of the top cover 32, the pull blocks 16 can move left and right at the top of the top cover 32, connecting ropes 17 are arranged between the outer walls of the pull blocks 16 and the outer walls of the fixing blocks 15, the connecting ropes 16 are pulled inwards, the connecting ropes 17 enable the fixing blocks 15 to move out of the inner cavities of the fixing grooves 18, the connection of the connecting blocks 13 and the connecting grooves 18 is broken, the top cover 32 and the cover body 31 are disconnected, the top cover 32 is detached from the upper part of the cover body 31, and the top of the mounting cover 3 can be opened;
referring to fig. 1, 2 and 3, the front and rear side walls of the cover 31 are provided with the mounting opening 4, the inner cavity of the mounting opening 4 is provided with the fan 5, the rear side fan 5 is a fan, the front side fan 5 is an exhaust fan, the outside air is guided into the inner cavity of the mounting cover 3 by the rear side fan 5, the front side fan 5 guides out the air inside the mounting cover 3, the air inside the mounting cover 3 flows, the inside of the mounting cover 3 is cooled, the inner cavity of the rear side mounting opening 4 is provided with the filter screen 6, the filter screen 6 filters the air entering the inside of the mounting cover 3 to remove impurities contained in the entering air, the filter screen 6 is positioned at the rear side of the fan 5, the front and rear side walls of the cover 31 are provided with the baffle 11 for shielding the mounting opening 4, when the inside of the mounting cover 3 does not need to dissipate heat, the baffle 11 is positioned outside the mounting opening 4, the baffle 11 is rotatably mounted on the outer wall of the cover 31 through the driving mechanism, the driving mechanism is a motor, the motor is mounted on the outer wall of the cover 31, the output shaft of the cover 31 is connected with the motor 11, and the baffle 11 is rotatably arranged through the baffle 11, and the position is changed.
Example 2:
referring to fig. 1 and 2, on the basis of embodiment 1, a mounting plate 7 is mounted on the bottom wall of a top cover 32 by bolts, a temperature sensor 9 and a controller 10 are mounted on the bottom wall of the mounting plate 7, the controller 10 is electrically connected with a driving mechanism and the temperature sensor 9, the controller 10 is a PLC controller, when the temperature sensor 9 detects that the temperature inside the mounting cover 3 is higher, the controller 10 enables the driving mechanism to operate, rotates a baffle 11, opens a mounting opening 4, enables a fan 5 to operate synchronously, cools and dissipates heat inside the mounting cover 3, and when the temperature inside the mounting cover 3 is detected to be lower and affects the normal operation of a motor body 2, the heater 8 is controlled to operate, the inside of the mounting cover 3 is heated, the inside of the mounting cover 3 is caused to rise, the heater 8 is mounted on the left side of the inner cavity of a cover body 31, and the heater 8 is electrically connected with the controller 10;
referring to fig. 1, 3 and 5, in order to reduce the pressure inside the installation cover 3, a protection box 12 is installed on the left side wall of a cover body 31, a moving plate 19 is slidably installed on the right side of the inner cavity of the protection box 12 through an elastic member, an opening 20 is formed at the connection part of the cover body 31 and the protection box 12, and when the pressure inside the installation cover 3 is larger through the communication of the cover body 31 and the inner cavity of the protection box 12 through the opening 20, the moving plate 19 is moved left, the connection space between the protection box 12 and the cover body 31 is increased, and the pressure inside the installation cover 3 is reduced, so that the installation cover 3 is protected;
a controller 10 and a temperature sensor 9 are added to embodiment 1, so that the protection mechanism mounted on the mounting cover 3 can be automatically triggered.
Example 3:
referring to fig. 1, in order to increase the tightness between the mounting cover 3 and the base 1, the top wall of the base 1 is provided with an insert 22, the cross section of the insert 22 is in a shape like a Chinese character 'hui', the bottom wall of the cover 31 is provided with a slot 21 matched with the insert 22, the insert 22 is inserted into the inner cavity of the slot 21, the inner and outer walls of the insert 22 are provided with elastic pads 23 made of rubber, the outer walls of the elastic pads 23 are attached to the inner wall of the slot 21, the tightness between the base 1 and the mounting cover 3 is increased,
wherein, the inner wall of the insertion block 22 is provided with a vent groove, the bottom of the inner cavity of the opening 20 is provided with a connecting hole, and the connecting hole is communicated with the inner cavity of the vent groove;
the elastic pad 23 and the like are added to embodiment 1, and the sealing property between the base and the mounting cover 3 is increased.
The control method comprises the following steps: the method specifically comprises the following steps:
the first step: the motor body 2 is arranged above the base 1, and the motor body 2 is covered by the mounting cover 3, so that the motor body 2 works in the inner cavity of the mounting cover 3 to isolate external interference;
and a second step of: in the process of working, the temperature inside the installation cover 3 is monitored in real time by the temperature sensor 9, when the temperature inside the installation cover 3 is detected to be higher, the controller 10 controls the driving mechanism to work, the baffle 11 is enabled to rotate, the installation opening 4 is opened, the fan 5 is enabled to work, the inside of the installation cover 3 is cooled, after the temperature is reduced, the fan 5 stops working, the driving mechanism drives the baffle 11 to rotate, the installation opening 4 is blocked, if the temperature inside the installation cover 3 is lower, the controller 10 controls the heater 8 to work, the inside of the installation cover 3 is heated, the working environment of the motor body 2 is guaranteed, and the work of the motor body 2 is optimized. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The optimized control method of the high-power surface permanent magnet synchronous motor is characterized by comprising the following steps of: comprising the following steps: a base (1) and a motor body (2);
the motor body (2) is arranged on the top wall of the base (1), the mounting cover (3) covers the motor body (2), the mounting cover (3) comprises a cover body (31) and a top cover (32), the cover body (31) is arranged on the top wall of the base (1) and covers the motor body (2), the top cover (32) is arranged on the top wall of the cover body (31), connecting blocks (13) are arranged on the left side and the right side of the bottom wall of the top cover (32), connecting grooves (18) are formed in the left side wall and the right side wall of the top of the cover body (31), connecting blocks (13) are inserted into inner cavities of the connecting grooves (18), the outer walls of the connecting blocks (13) are provided with mounting grooves (14), the inner cavities of the mounting grooves (14) are slidably inserted into the fixing blocks (15) through elastic pieces, the inner walls of the connecting grooves (18) are provided with fixing grooves, one ends of the fixing blocks (15) are far away from the top walls of the connecting blocks (13) and are arranged in the inner cavities of the connecting blocks (16), the inner walls of the connecting blocks (16) are arranged between the two side walls (16), the right side of the inner cavity of the protection box (12) is provided with a moving plate (19) through an elastic piece in a sliding manner, the connecting part of the cover body (31) and the protection box (12) is provided with an opening (20), the cover body (31) is communicated with the inner cavity of the protection box (12) through the opening (20), the top wall of the base (1) is provided with an inserting block (22), the cross section of the inserting block (22) is in a shape like a Chinese character 'hui', the bottom wall of the cover body (31) is provided with an inserting groove (21) matched with the inserting block (22), the inserting block (22) is inserted into the inner cavity of the inserting groove (21), the inner wall and the outer wall of the inserting block (22) are provided with elastic pads (23), the outer wall of each elastic pad (23) is attached to the inner wall of the inserting groove (21), the inner wall of the inserting block (22) is provided with a ventilation groove, the bottom of the inner cavity of the opening (20) is provided with a connecting hole, and the connecting hole is communicated with the inner cavity of the ventilation groove.
The control method comprises the following steps: the method specifically comprises the following steps:
the first step: the motor body (2) is arranged above the base (1), and the motor body (2) is covered by the mounting cover (3), so that the motor body (2) works in the inner cavity of the mounting cover (3) to isolate external interference;
and a second step of: in the process of working, the temperature inside the installation cover (3) is monitored in real time by the temperature sensor (9), when the temperature inside the installation cover (3) is detected to be higher, the controller (10) controls the driving mechanism to work, the baffle (11) rotates, the installation opening (4) is opened, the fan (5) works, the inside of the installation cover (3) is cooled, after the temperature is reduced, the fan (5) stops working, the driving mechanism drives the baffle (11) to rotate, the installation opening (4) is blocked, if the temperature inside the installation cover (3) is lower, the controller (10) controls the heater (8) to work, the inside of the installation cover (3) is heated, the working environment of the motor body (2) is guaranteed, and the working of the motor body (2) is optimized.
2. The optimized control method for the high-power surface permanent magnet synchronous motor according to claim 1, wherein the method comprises the following steps: the fan is characterized in that mounting openings (4) are formed in the front side wall and the rear side wall of the cover body (31), a fan (5) is mounted in the inner cavity of the mounting opening (4), a filter screen (6) is mounted in the inner cavity of the mounting opening (4) at the rear side, and the filter screen (6) is located at the rear side of the fan (5).
3. The optimized control method for the high-power surface permanent magnet synchronous motor according to claim 2, wherein the method comprises the following steps: baffle (11) are all installed to both sides wall around the cover body (31), baffle (11) are located the outside of installing port (4), baffle (11) are installed on the outer wall of cover body (31) through actuating mechanism rotation.
4. The optimized control method for the high-power surface permanent magnet synchronous motor according to claim 1, wherein the method comprises the following steps: the mounting plate (7) is installed to top cap (32) bottom wall, temperature sensor (9) and controller (10) are installed to mounting plate (7) bottom wall, controller (10) and actuating mechanism, temperature sensor (9) electric connection.
5. The optimized control method for the high-power surface permanent magnet synchronous motor according to claim 4, wherein the method comprises the following steps: the heater (8) is arranged on the left side of the inner cavity of the cover body (31), and the heater (8) is electrically connected with the controller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210127854.0A CN114448155B (en) | 2022-02-11 | 2022-02-11 | High-power surface permanent magnet synchronous motor optimal control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210127854.0A CN114448155B (en) | 2022-02-11 | 2022-02-11 | High-power surface permanent magnet synchronous motor optimal control method |
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| CN114448155A CN114448155A (en) | 2022-05-06 |
| CN114448155B true CN114448155B (en) | 2023-08-04 |
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| CN114629285B (en) * | 2022-05-17 | 2022-10-18 | 深圳正为格智能科技有限公司 | Electric vehicle motor thermal stabilization device and system |
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| CN114448155A (en) | 2022-05-06 |
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