CN114448155A - Optimization control method for high-power surface permanent magnet synchronous motor - Google Patents
Optimization control method for high-power surface permanent magnet synchronous motor Download PDFInfo
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- CN114448155A CN114448155A CN202210127854.0A CN202210127854A CN114448155A CN 114448155 A CN114448155 A CN 114448155A CN 202210127854 A CN202210127854 A CN 202210127854A CN 114448155 A CN114448155 A CN 114448155A
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- cover
- wall
- mounting
- motor body
- permanent magnet
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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
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- 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
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- 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 an optimized control method of a high-power surface permanent magnet synchronous motor 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 arranged on the top wall of the base, the mounting cover is arranged 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: the motor body is arranged above the base, and the motor body is covered by the mounting cover, so that the motor body works in the inner cavity of the mounting cover to isolate external interference; the second step: in the process of work, carry out real-time supervision to the inside temperature of installation cover by temperature sensor, 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 the normal operating condition of PMSM.
Description
Technical Field
The invention relates to the technical field of permanent magnet synchronous motor control, in particular to an optimized control method of a high-power surface permanent magnet synchronous motor.
Background
The permanent magnet synchronous motor is one of motors and mainly comprises a stator, a rotor, an end cover and the like.
In the working process of the existing permanent magnet synchronous motor, in order to guarantee 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 affect the working of the motor, and the poor working environment can affect the normal working of the motor.
Disclosure of Invention
The invention aims to provide an optimization 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 purpose, the invention provides the following technical scheme: a method for optimizing and controlling 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 top wall of the base is provided with an installation cover, and the installation cover covers the motor body;
the control method comprises the following steps: the method specifically comprises the following steps:
the first step is as follows: the motor body is arranged above the base, and the motor body is covered by the mounting cover, so that the motor body works in the inner cavity of the mounting cover to isolate external interference;
the second step is that: in the in-process of work, carry out real-time supervision to the inside temperature of installation cover by temperature sensor, when detecting the inside temperature of installation cover higher, by the work of controller control actuating mechanism, make the baffle rotate, open the installing port, and make the fan work, cool down to the inside heat dissipation of installation cover, after the temperature reduces, fan stop work, and actuating mechanism takes the baffle to rotate, block the installing port, if the inside temperature of installation cover is lower, then the work of controller control heater, heat the inside of installation cover, guarantee motor body's operational environment, 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 utility model discloses a cover body, cover body top, cover body, top cap, mounting groove, elastic component, fixed slot, top cap bottom wall, cover body top left and right sides wall, even the piece is inserted in the inner chamber of even groove, even the piece outer wall has seted up the mounting groove, the mounting groove inner chamber passes through the elastic component and slides and insert at the fixed block, even inslot wall has seted up the fixed slot, the fixed block is kept away from even one end of piece and is inserted in the inner chamber of fixed slot, top cap top wall symmetry slidable mounting has two sets of pieces that draw, draw and install even rope between piece outer wall and the fixed block outer wall.
As preferred, the installing port has all been seted up to both sides wall around the cover body, the fan is installed to the installing port inner chamber, the rear side the filter screen is installed to the installing port inner chamber, and the filter screen is located the rear side of fan.
Preferably, the front side wall and the rear side wall of the cover body are respectively provided with a baffle plate, the baffle plates are positioned on the outer side of the mounting opening, and the baffle plates are rotatably mounted on the outer wall of the cover body through a driving mechanism.
Preferably, the mounting panel is installed to top cap bottom wall, temperature sensor and controller are installed to mounting panel bottom wall, controller and actuating mechanism, temperature sensor electric connection.
Preferably, a heater is installed on the left side of the inner cavity of the cover body and is electrically connected with the controller.
Preferably, the protection box is installed on the left side wall of the cover body, the movable 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 portion 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 insertion block, the cross section of the insertion block is shaped like a Chinese character 'hui', the bottom wall of the cover body is provided with a slot matched with the insertion block, the insertion block is inserted into the inner cavity of the slot, the inner wall and the outer wall of the insertion block are both provided with elastic pads, the outer walls of the elastic pads are attached to the inner walls of the slot,
wherein, the inserted block inner wall has seted up the air channel, the opening inner chamber bottom has seted up even hole, and even hole and air channel inner chamber intercommunication.
Compared with the prior art, the invention has the beneficial effects that: 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 can cool down and heat the environment that motor body is located when motor body is located operational environment temperature is higher or lower, optimizes the operational environment that motor body is located, optimizes motor body's operating condition, guarantees the normal operating condition of PMSM.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A of the present invention;
FIG. 3 is a schematic view of the connection structure of the cover and the baffle of the present invention;
FIG. 4 is an enlarged view of the structure at B of the present invention;
FIG. 5 is an enlarged view of the structure at position C of the present invention.
In the figure: 1. a base; 2. a motor body; 3. mounting a cover; 31. a cover body; 32. a top cover; 4. an installation port; 5. a fan; 6. filtering with a screen; 7. mounting a plate; 8. a heater; 9. a temperature sensor; 10. a controller; 11. a baffle plate; 12. a protection box; 13. connecting blocks; 14. a placing groove; 15. a fixed block; 16. pulling the block; 17. connecting a rope; 18. connecting the grooves; 19. moving the plate; 20. an opening; 21. a slot; 22. inserting a block; 23. an elastic pad.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1:
the invention provides a technical scheme that: referring to fig. 1, a method for optimally controlling a high-power surface permanent magnet synchronous motor includes: a base 1 and a motor body 2;
the motor body 2 (permanent magnet synchronous motor) is fixedly arranged on the top wall of the base 1 through bolts, and the top wall of the base 1 is provided with the mounting cover 3 which covers the motor body 2, so that the motor body 2 is isolated from the outside, the external 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 31 and a top cover 32, the cover 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 31,
wherein, the left side and the right side of the bottom wall of the top cover 32 are both provided with the connecting block 13, the left side and the right side of the top of the cover body 31 are both provided with the connecting grooves 18, the connecting block 13 is inserted into the inner cavity of the connecting groove 18, the outer wall of the connecting block 13 is provided with the placing groove 14, the inner cavity of the placing groove 14 is inserted into the fixed block 15 in a sliding way through an elastic part, the fixed block 15 can move left and right in the inner cavity of the placing groove 14, the inner wall of the connecting groove 18 is provided with the fixed groove, one end of the fixed block 15 far away from the connecting block 13 is inserted into the inner cavity of the fixed groove, the top wall of the top cover 32 is symmetrically and slidably provided with two groups of pulling blocks 16, the pulling blocks 16 can move left and right on the top of the top cover 32, the connecting rope 17 is arranged between the outer wall of the pulling blocks 16 and the outer wall of the fixed block 15, the pulling blocks 16 are pulled inwards to make the connecting rope 17 move the fixed block 15 out from the inner cavity of the fixed groove, the connecting block 13 is disconnected with the connecting groove 18, the top cover body 31 is disconnected with the top cover body 32 being detached from the top of the cover body 31, 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 respectively provided with a mounting opening 4, the inner cavity of the mounting opening 4 is provided with a fan 5, the rear side fan 5 is a guiding fan, the front side fan 5 is an exhaust fan, external air is guided into the inner cavity of the mounting cover 3 by the rear side fan 5, the front side fan 5 guides the air inside the mounting cover 3 out, the air inside the mounting cover 3 flows to cool the inside of the mounting cover 3, the inner cavity of the rear side mounting opening 4 is provided with a 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 respectively provided with a baffle 11 for shielding the mounting opening 4, when heat dissipation is not required in the mounting cover 3, the mounting opening 4 is sealed, the baffle 11 is positioned at the outer side of the mounting opening 4, the baffle 11 is rotatably mounted on the outer wall of the cover 31 by a driving mechanism, the driving mechanism is a motor, the motor is mounted on the outer wall of the cover body 31, an output shaft of the cover body 31 is connected with the baffle 11, and the baffle 11 is driven to rotate by the operation of the motor so as to change the position of the baffle 11.
Example 2:
referring to fig. 1 and 2, based on embodiment 1, the mounting plate 7 is mounted on the bottom wall of the top cover 32 by bolts, the bottom wall of the mounting plate 7 is provided with the temperature sensor 9 and the controller 10, the controller 10 is electrically connected to the 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 high, the controller 10 causes the driving mechanism to operate, rotates the shutter 11, opens the mounting port 4, and causes the fan 5 to operate synchronously, the temperature inside the mounting cover 3 is reduced and radiated, when the normal work of the motor body 2 is influenced by the lower temperature inside the mounting cover 3, the heater 8 is controlled to work, heating the interior of the mounting cover 3 to enable the interior of the mounting cover 3 to rise, wherein a 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;
referring to fig. 1, 3 and 5, in order to reduce the pressure inside the mounting cover 3, the protection box 12 is mounted on the left side wall of the cover body 31, the moving plate 19 is slidably mounted on the right side of the inner cavity of the protection box 12 through an elastic member, an opening 20 is formed in the connecting portion between the cover body 31 and the protection box 12, and when the pressure inside the mounting cover 3 is large, the moving plate 19 moves to the left to increase the connecting space between the protection box 12 and the cover body 31 for reducing the pressure inside the mounting cover 3 and protecting the mounting cover 3 when the cover body 31 is communicated with the inner cavity of the protection box 12 through the opening 20 and the pressure inside the mounting cover 3 is large;
the addition of the controller 10 and the temperature sensor 9 to the embodiment 1 enables the protection mechanism mounted on the mounting cover 3 to be automatically activated.
Example 3:
referring to fig. 1, on the basis of embodiment 1, in order to increase the sealing performance between the mounting cover 3 and the base 1, an insertion block 22 is installed on the top wall of the base 1, the cross section of the insertion block 22 is in a shape of Chinese character 'hui', an insertion slot 21 matched with the insertion block 22 is formed on the bottom wall of the cover body 31, the insertion block 22 is inserted into the inner cavity of the insertion slot 21, elastic pads 23 made of rubber are installed on the inner and outer walls of the insertion block 22, the outer walls of the elastic pads 23 are attached to the inner walls of the insertion slot 21, so as to increase the sealing performance between the base 1 and the mounting cover 3,
wherein, the inner wall of the insert 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;
compared with the embodiment 1, the elastic cushion 23 and other components are added, and the sealing performance between the base and the mounting cover 3 is improved.
The control method comprises the following steps: the method specifically comprises the following steps:
the first step is as follows: 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;
the second step is that: in the in-process of work, carry out real-time supervision to the inside temperature of installation cover 3 by temperature sensor 9, when detecting that the inside temperature of installation cover 3 is higher, by the work of controller 10 control actuating mechanism, make baffle 11 rotate, open installing port 4, and make fan 5 work, cool down the heat dissipation to the inside of installation cover 3, after the temperature reduction, fan 5 stop work, and actuating mechanism takes baffle 11 to rotate, block installing port 4, if the inside temperature of installation cover 3 is lower, then the work of controller 10 control heater 8, heat the inside of installation cover 3, guarantee the operational environment of motor body 2, optimize the work of motor body 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high-power surface permanent magnet synchronous motor optimization control method is characterized by comprising the following steps: the device comprises: a base (1) and a motor body (2);
the motor body (2) is arranged on the top wall of the base (1), the top wall of the base (1) is provided with the mounting cover (3), and the mounting cover (3) covers the motor body (2);
the control method comprises the following steps: the method specifically comprises the following steps:
the first step is as follows: 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;
the second step is that: in the working process, the temperature inside the mounting cover (3) is monitored in real time by the temperature sensor (9), when the temperature inside the mounting cover (3) is detected to be high, the controller (10) controls the driving mechanism to work, the baffle (11) is made to rotate, the mounting port (4) is opened, the fan (5) is made to work, the heat dissipation and cooling are conducted on the inside of the mounting cover (3), after the temperature is reduced, the fan (5) stops working, the driving mechanism drives the baffle (11) to rotate, the mounting port (4) is blocked, if the temperature inside the mounting cover (3) is low, the controller (10) controls the heater (8) to work, the inside of the mounting cover (3) is heated, the working environment of the motor body (2) is guaranteed, and the work of the motor body (2) is optimized.
2. The optimization control method of the high-power surface permanent magnet synchronous motor according to claim 1, characterized in that: the mounting cover (3) comprises 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 placed on the top wall of the cover body (31),
wherein, even piece (13) are all installed to the left and right sides of top cap (32) bottom wall, cover body (31) top left and right sides wall has all been seted up even groove (18), even piece (13) are inserted in the inner chamber of even groove (18), even mounting groove (14) have been seted up to piece (13) outer wall, mounting groove (14) inner chamber passes through elastic component slip and inserts at fixed block (15), even the fixed slot has been seted up to groove (18) inner wall, the one end of keeping away from even piece (13) in fixed block (15) is inserted in the inner chamber of fixed slot, top cap (32) top wall symmetry slidable mounting has two sets of pieces of drawing (16), draw and install even rope (17) between piece (16) outer wall and fixed block (15) outer wall.
3. The optimization control method of the high-power surface permanent magnet synchronous motor according to claim 2, characterized in that: installing port (4) have all been seted up to both sides wall around the cover body (31), fan (5), rear side are installed to installing port (4) inner chamber filter screen (6) are installed to installing port (4) inner chamber, and filter screen (6) are located the rear side of fan (5).
4. The optimization control method of the high-power surface permanent magnet synchronous motor according to claim 3, characterized in that: 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 the cover body (31) through actuating mechanism rotation.
5. The optimization control method of the high-power surface permanent magnet synchronous motor according to claim 2, characterized in that: mounting panel (7) are installed to top cap (32) bottom wall, temperature sensor (9) and controller (10) are installed to mounting panel (7) bottom wall, controller (10) and actuating mechanism, temperature sensor (9) electric connection.
6. The optimal control method of the high-power surface permanent magnet synchronous motor according to claim 5, characterized in that: heater (8) are installed on cover body (31) inner chamber left side, heater (8) and controller (10) electric connection.
7. The optimization control method of the high-power surface permanent magnet synchronous motor according to claim 2, characterized in that: protection case (12) are installed to the cover body (31) left side wall, there is movable plate (19) protection case (12) inner chamber right side through elastic component slidable mounting, opening (20) have been seted up at the position of being connected of the cover body (31) and protection case (12), and the cover body (31) communicates through the inner chamber of opening (20) and protection case (12).
8. The optimization control method of the high-power surface permanent magnet synchronous motor according to claim 2, characterized in that: the wall of the top of the base (1) is provided with an insert block (22), the cross section of the insert block (22) is shaped like a Chinese character 'hui', the bottom wall of the cover body (31) is provided with an insertion groove (21) matched with the insert block (22), the insert block (22) is inserted into an inner cavity of the insertion groove (21), the inner wall and the outer wall of the insert block (22) are respectively provided with an elastic cushion (23), the outer wall of the elastic cushion (23) is attached to the inner wall of the insertion groove (21),
wherein, the inner wall of the inserting 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.
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Cited By (1)
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